Merge "Ensure to complete background thread of PipeManager." into nyc-dev
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 2fe5cbe..cee8fdb 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -240,6 +240,7 @@
 $(call add-clean-step, rm -f $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/media/java/android/media/IRemoteControlDisplay.*)
 $(call add-clean-step, rm -f $(OUT_DIR)/target/common/obj/APPS/FeatureSplit1_intermediates/src/com/android/test/split/feature/R.java)
 $(call add-clean-step, rm -f $(OUT_DIR)/target/common/obj/APPS/FeatureSplit2_intermediates/src/com/android/test/split/feature/R.java)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/hardware)
 
 # ******************************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST ABOVE THIS BANNER
diff --git a/api/current.txt b/api/current.txt
index 63f1fb8..e5e1248 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -5258,7 +5258,7 @@
   }
 
   public static class NotificationManager.Policy implements android.os.Parcelable {
-    ctor public deprecated NotificationManager.Policy(int, int, int);
+    ctor public NotificationManager.Policy(int, int, int);
     ctor public NotificationManager.Policy(int, int, int, int);
     method public int describeContents();
     method public static java.lang.String priorityCategoriesToString(int);
@@ -10466,7 +10466,6 @@
     method public boolean hasNext();
     method public java.util.Iterator<android.database.CursorJoiner.Result> iterator();
     method public android.database.CursorJoiner.Result next();
-    method public void remove();
   }
 
   public static final class CursorJoiner.Result extends java.lang.Enum {
@@ -19867,7 +19866,7 @@
 
   public static abstract class AudioManager.AudioRecordingCallback {
     ctor public AudioManager.AudioRecordingCallback();
-    method public void onRecordConfigChanged();
+    method public void onRecordConfigChanged(android.media.AudioRecordConfiguration[]);
   }
 
   public static abstract interface AudioManager.OnAudioFocusChangeListener {
@@ -20851,6 +20850,7 @@
     method public final void setDataSource(android.content.Context, android.net.Uri, java.util.Map<java.lang.String, java.lang.String>) throws java.io.IOException;
     method public final void setDataSource(java.lang.String, java.util.Map<java.lang.String, java.lang.String>) throws java.io.IOException;
     method public final void setDataSource(java.lang.String) throws java.io.IOException;
+    method public final void setDataSource(android.content.res.AssetFileDescriptor) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
     method public final void setDataSource(java.io.FileDescriptor) throws java.io.IOException;
     method public final void setDataSource(java.io.FileDescriptor, long, long) throws java.io.IOException;
     method public void unselectTrack(int);
@@ -20935,6 +20935,7 @@
     field public static final java.lang.String KEY_SLICE_HEIGHT = "slice-height";
     field public static final java.lang.String KEY_STRIDE = "stride";
     field public static final java.lang.String KEY_TEMPORAL_LAYERING = "ts-schema";
+    field public static final java.lang.String KEY_TRACK_ID = "track-id";
     field public static final java.lang.String KEY_WIDTH = "width";
     field public static final java.lang.String MIMETYPE_AUDIO_AAC = "audio/mp4a-latm";
     field public static final java.lang.String MIMETYPE_AUDIO_AC3 = "audio/ac3";
@@ -29047,6 +29048,8 @@
     ctor public Process();
     method public static final long getElapsedCpuTime();
     method public static final int getGidForName(java.lang.String);
+    method public static final long getStartElapsedRealtime();
+    method public static final long getStartUptimeMillis();
     method public static final int getThreadPriority(int) throws java.lang.IllegalArgumentException;
     method public static final int getUidForName(java.lang.String);
     method public static final boolean is64Bit();
@@ -31712,6 +31715,7 @@
 
   public static final class DocumentsContract.Root {
     field public static final java.lang.String COLUMN_AVAILABLE_BYTES = "available_bytes";
+    field public static final java.lang.String COLUMN_CAPACITY_BYTES = "capacity_bytes";
     field public static final java.lang.String COLUMN_DOCUMENT_ID = "document_id";
     field public static final java.lang.String COLUMN_FLAGS = "flags";
     field public static final java.lang.String COLUMN_ICON = "icon";
@@ -34234,7 +34238,8 @@
     ctor public CarrierMessagingService();
     method public android.os.IBinder onBind(android.content.Intent);
     method public void onDownloadMms(android.net.Uri, int, android.net.Uri, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Integer>);
-    method public void onFilterSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Boolean>);
+    method public deprecated void onFilterSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Boolean>);
+    method public void onReceiveTextSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Integer>);
     method public deprecated void onSendDataSms(byte[], int, java.lang.String, int, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendSmsResult>);
     method public void onSendDataSms(byte[], int, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendSmsResult>);
     method public void onSendMms(android.net.Uri, int, android.net.Uri, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendMmsResult>);
@@ -34245,6 +34250,9 @@
     field public static final int DOWNLOAD_STATUS_ERROR = 2; // 0x2
     field public static final int DOWNLOAD_STATUS_OK = 0; // 0x0
     field public static final int DOWNLOAD_STATUS_RETRY_ON_CARRIER_NETWORK = 1; // 0x1
+    field public static final int RECEIVE_OPTIONS_DEFAULT = 0; // 0x0
+    field public static final int RECEIVE_OPTIONS_DROP = 1; // 0x1
+    field public static final int RECEIVE_OPTIONS_SKIP_NOTIFY_WHEN_CREDENTIAL_ENCRYPTED_STORAGE_UNAVAILABLE = 2; // 0x2
     field public static final int SEND_FLAG_REQUEST_DELIVERY_STATUS = 1; // 0x1
     field public static final int SEND_STATUS_ERROR = 2; // 0x2
     field public static final int SEND_STATUS_OK = 0; // 0x0
@@ -38471,7 +38479,6 @@
     method public boolean hasNext();
     method public java.util.Iterator<java.lang.String> iterator();
     method public java.lang.String next();
-    method public void remove();
     method public void setString(java.lang.String);
   }
 
@@ -40083,6 +40090,7 @@
     method public int describeContents();
     method public static android.util.LocaleList forLanguageTags(java.lang.String);
     method public java.util.Locale get(int);
+    method public static android.util.LocaleList getAdjustedDefault();
     method public static android.util.LocaleList getDefault();
     method public static android.util.LocaleList getEmptyLocaleList();
     method public java.util.Locale getFirstMatch(java.lang.String[]);
@@ -57706,9 +57714,10 @@
   }
 
   public abstract interface Iterator {
+    method public default void forEachRemaining(java.util.function.Consumer<? super E>);
     method public abstract boolean hasNext();
     method public abstract E next();
-    method public abstract void remove();
+    method public default void remove();
   }
 
   public class LinkedHashMap extends java.util.HashMap implements java.util.Map {
@@ -58011,6 +58020,79 @@
     method public abstract void update(java.util.Observable, java.lang.Object);
   }
 
+  public final class Optional {
+    method public static java.util.Optional<T> empty();
+    method public java.util.Optional<T> filter(java.util.function.Predicate<? super T>);
+    method public java.util.Optional<U> flatMap(java.util.function.Function<? super T, java.util.Optional<U>>);
+    method public T get();
+    method public void ifPresent(java.util.function.Consumer<? super T>);
+    method public boolean isPresent();
+    method public java.util.Optional<U> map(java.util.function.Function<? super T, ? extends U>);
+    method public static java.util.Optional<T> of(T);
+    method public static java.util.Optional<T> ofNullable(T);
+    method public T orElse(T);
+    method public T orElseGet(java.util.function.Supplier<? extends T>);
+    method public T orElseThrow(java.util.function.Supplier<? extends X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalDouble {
+    method public static java.util.OptionalDouble empty();
+    method public double getAsDouble();
+    method public void ifPresent(java.util.function.DoubleConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalDouble of(double);
+    method public double orElse(double);
+    method public double orElseGet(java.util.function.DoubleSupplier);
+    method public double orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalInt {
+    method public static java.util.OptionalInt empty();
+    method public int getAsInt();
+    method public void ifPresent(java.util.function.IntConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalInt of(int);
+    method public int orElse(int);
+    method public int orElseGet(java.util.function.IntSupplier);
+    method public int orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalLong {
+    method public static java.util.OptionalLong empty();
+    method public long getAsLong();
+    method public void ifPresent(java.util.function.LongConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalLong of(long);
+    method public long orElse(long);
+    method public long orElseGet(java.util.function.LongSupplier);
+    method public long orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public abstract interface PrimitiveIterator implements java.util.Iterator {
+    method public abstract void forEachRemaining(T_CONS);
+  }
+
+  public static abstract interface PrimitiveIterator.OfDouble implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.DoubleConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Double>);
+    method public default java.lang.Double next();
+    method public abstract double nextDouble();
+  }
+
+  public static abstract interface PrimitiveIterator.OfInt implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.IntConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Integer>);
+    method public default java.lang.Integer next();
+    method public abstract int nextInt();
+  }
+
+  public static abstract interface PrimitiveIterator.OfLong implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.LongConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Long>);
+    method public default java.lang.Long next();
+    method public abstract long nextLong();
+  }
+
   public class PriorityQueue extends java.util.AbstractQueue implements java.io.Serializable {
     ctor public PriorityQueue();
     ctor public PriorityQueue(int);
@@ -58182,7 +58264,6 @@
     method public short nextShort();
     method public short nextShort(int);
     method public int radix();
-    method public void remove();
     method public java.util.Scanner reset();
     method public java.util.Scanner skip(java.util.regex.Pattern);
     method public java.util.Scanner skip(java.lang.String);
diff --git a/api/system-current.txt b/api/system-current.txt
index 1547fd2..7d94199 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5390,7 +5390,7 @@
   }
 
   public static class NotificationManager.Policy implements android.os.Parcelable {
-    ctor public deprecated NotificationManager.Policy(int, int, int);
+    ctor public NotificationManager.Policy(int, int, int);
     ctor public NotificationManager.Policy(int, int, int, int);
     method public int describeContents();
     method public static java.lang.String priorityCategoriesToString(int);
@@ -10186,6 +10186,8 @@
     field public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; // 0xffffff99
     field public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; // 0xffffff9a
     field public static final int INSTALL_SUCCEEDED = 1; // 0x1
+    field public static final int INTENT_FILTER_VERIFICATION_FAILURE = -1; // 0xffffffff
+    field public static final int INTENT_FILTER_VERIFICATION_SUCCESS = 1; // 0x1
     field public static final int MASK_PERMISSION_FLAGS = 255; // 0xff
     field public static final int MATCH_ALL = 131072; // 0x20000
     field public static final int MATCH_DEFAULT_ONLY = 65536; // 0x10000
@@ -10858,7 +10860,6 @@
     method public boolean hasNext();
     method public java.util.Iterator<android.database.CursorJoiner.Result> iterator();
     method public android.database.CursorJoiner.Result next();
-    method public void remove();
   }
 
   public static final class CursorJoiner.Result extends java.lang.Enum {
@@ -21354,7 +21355,7 @@
 
   public static abstract class AudioManager.AudioRecordingCallback {
     ctor public AudioManager.AudioRecordingCallback();
-    method public void onRecordConfigChanged();
+    method public void onRecordConfigChanged(android.media.AudioRecordConfiguration[]);
   }
 
   public static abstract interface AudioManager.OnAudioFocusChangeListener {
@@ -22341,6 +22342,7 @@
     method public final void setDataSource(android.content.Context, android.net.Uri, java.util.Map<java.lang.String, java.lang.String>) throws java.io.IOException;
     method public final void setDataSource(java.lang.String, java.util.Map<java.lang.String, java.lang.String>) throws java.io.IOException;
     method public final void setDataSource(java.lang.String) throws java.io.IOException;
+    method public final void setDataSource(android.content.res.AssetFileDescriptor) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
     method public final void setDataSource(java.io.FileDescriptor) throws java.io.IOException;
     method public final void setDataSource(java.io.FileDescriptor, long, long) throws java.io.IOException;
     method public void unselectTrack(int);
@@ -22425,6 +22427,7 @@
     field public static final java.lang.String KEY_SLICE_HEIGHT = "slice-height";
     field public static final java.lang.String KEY_STRIDE = "stride";
     field public static final java.lang.String KEY_TEMPORAL_LAYERING = "ts-schema";
+    field public static final java.lang.String KEY_TRACK_ID = "track-id";
     field public static final java.lang.String KEY_WIDTH = "width";
     field public static final java.lang.String MIMETYPE_AUDIO_AAC = "audio/mp4a-latm";
     field public static final java.lang.String MIMETYPE_AUDIO_AC3 = "audio/ac3";
@@ -26662,7 +26665,6 @@
     method public boolean reconnect();
     method public boolean removeNetwork(int);
     method public boolean saveConfiguration();
-    method public boolean setMetered(int, boolean);
     method public void setTdlsEnabled(java.net.InetAddress, boolean);
     method public void setTdlsEnabledWithMacAddress(java.lang.String, boolean);
     method public boolean setWifiApConfiguration(android.net.wifi.WifiConfiguration);
@@ -31339,6 +31341,8 @@
     ctor public Process();
     method public static final long getElapsedCpuTime();
     method public static final int getGidForName(java.lang.String);
+    method public static final long getStartElapsedRealtime();
+    method public static final long getStartUptimeMillis();
     method public static final int getThreadPriority(int) throws java.lang.IllegalArgumentException;
     method public static final int getUidForName(java.lang.String);
     method public static final boolean is64Bit();
@@ -34096,6 +34100,7 @@
 
   public static final class DocumentsContract.Root {
     field public static final java.lang.String COLUMN_AVAILABLE_BYTES = "available_bytes";
+    field public static final java.lang.String COLUMN_CAPACITY_BYTES = "capacity_bytes";
     field public static final java.lang.String COLUMN_DOCUMENT_ID = "document_id";
     field public static final java.lang.String COLUMN_FLAGS = "flags";
     field public static final java.lang.String COLUMN_ICON = "icon";
@@ -36723,7 +36728,8 @@
     ctor public CarrierMessagingService();
     method public android.os.IBinder onBind(android.content.Intent);
     method public void onDownloadMms(android.net.Uri, int, android.net.Uri, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Integer>);
-    method public void onFilterSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Boolean>);
+    method public deprecated void onFilterSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Boolean>);
+    method public void onReceiveTextSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Integer>);
     method public deprecated void onSendDataSms(byte[], int, java.lang.String, int, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendSmsResult>);
     method public void onSendDataSms(byte[], int, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendSmsResult>);
     method public void onSendMms(android.net.Uri, int, android.net.Uri, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendMmsResult>);
@@ -36734,6 +36740,9 @@
     field public static final int DOWNLOAD_STATUS_ERROR = 2; // 0x2
     field public static final int DOWNLOAD_STATUS_OK = 0; // 0x0
     field public static final int DOWNLOAD_STATUS_RETRY_ON_CARRIER_NETWORK = 1; // 0x1
+    field public static final int RECEIVE_OPTIONS_DEFAULT = 0; // 0x0
+    field public static final int RECEIVE_OPTIONS_DROP = 1; // 0x1
+    field public static final int RECEIVE_OPTIONS_SKIP_NOTIFY_WHEN_CREDENTIAL_ENCRYPTED_STORAGE_UNAVAILABLE = 2; // 0x2
     field public static final int SEND_FLAG_REQUEST_DELIVERY_STATUS = 1; // 0x1
     field public static final int SEND_STATUS_ERROR = 2; // 0x2
     field public static final int SEND_STATUS_OK = 0; // 0x0
@@ -41237,7 +41246,6 @@
     method public boolean hasNext();
     method public java.util.Iterator<java.lang.String> iterator();
     method public java.lang.String next();
-    method public void remove();
     method public void setString(java.lang.String);
   }
 
@@ -42849,6 +42857,7 @@
     method public int describeContents();
     method public static android.util.LocaleList forLanguageTags(java.lang.String);
     method public java.util.Locale get(int);
+    method public static android.util.LocaleList getAdjustedDefault();
     method public static android.util.LocaleList getDefault();
     method public static android.util.LocaleList getEmptyLocaleList();
     method public java.util.Locale getFirstMatch(java.lang.String[]);
@@ -60809,9 +60818,10 @@
   }
 
   public abstract interface Iterator {
+    method public default void forEachRemaining(java.util.function.Consumer<? super E>);
     method public abstract boolean hasNext();
     method public abstract E next();
-    method public abstract void remove();
+    method public default void remove();
   }
 
   public class LinkedHashMap extends java.util.HashMap implements java.util.Map {
@@ -61114,6 +61124,79 @@
     method public abstract void update(java.util.Observable, java.lang.Object);
   }
 
+  public final class Optional {
+    method public static java.util.Optional<T> empty();
+    method public java.util.Optional<T> filter(java.util.function.Predicate<? super T>);
+    method public java.util.Optional<U> flatMap(java.util.function.Function<? super T, java.util.Optional<U>>);
+    method public T get();
+    method public void ifPresent(java.util.function.Consumer<? super T>);
+    method public boolean isPresent();
+    method public java.util.Optional<U> map(java.util.function.Function<? super T, ? extends U>);
+    method public static java.util.Optional<T> of(T);
+    method public static java.util.Optional<T> ofNullable(T);
+    method public T orElse(T);
+    method public T orElseGet(java.util.function.Supplier<? extends T>);
+    method public T orElseThrow(java.util.function.Supplier<? extends X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalDouble {
+    method public static java.util.OptionalDouble empty();
+    method public double getAsDouble();
+    method public void ifPresent(java.util.function.DoubleConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalDouble of(double);
+    method public double orElse(double);
+    method public double orElseGet(java.util.function.DoubleSupplier);
+    method public double orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalInt {
+    method public static java.util.OptionalInt empty();
+    method public int getAsInt();
+    method public void ifPresent(java.util.function.IntConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalInt of(int);
+    method public int orElse(int);
+    method public int orElseGet(java.util.function.IntSupplier);
+    method public int orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalLong {
+    method public static java.util.OptionalLong empty();
+    method public long getAsLong();
+    method public void ifPresent(java.util.function.LongConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalLong of(long);
+    method public long orElse(long);
+    method public long orElseGet(java.util.function.LongSupplier);
+    method public long orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public abstract interface PrimitiveIterator implements java.util.Iterator {
+    method public abstract void forEachRemaining(T_CONS);
+  }
+
+  public static abstract interface PrimitiveIterator.OfDouble implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.DoubleConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Double>);
+    method public default java.lang.Double next();
+    method public abstract double nextDouble();
+  }
+
+  public static abstract interface PrimitiveIterator.OfInt implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.IntConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Integer>);
+    method public default java.lang.Integer next();
+    method public abstract int nextInt();
+  }
+
+  public static abstract interface PrimitiveIterator.OfLong implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.LongConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Long>);
+    method public default java.lang.Long next();
+    method public abstract long nextLong();
+  }
+
   public class PriorityQueue extends java.util.AbstractQueue implements java.io.Serializable {
     ctor public PriorityQueue();
     ctor public PriorityQueue(int);
@@ -61285,7 +61368,6 @@
     method public short nextShort();
     method public short nextShort(int);
     method public int radix();
-    method public void remove();
     method public java.util.Scanner reset();
     method public java.util.Scanner skip(java.util.regex.Pattern);
     method public java.util.Scanner skip(java.lang.String);
diff --git a/api/test-current.txt b/api/test-current.txt
index 25f3303..d1ed20c 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -5258,7 +5258,7 @@
   }
 
   public static class NotificationManager.Policy implements android.os.Parcelable {
-    ctor public deprecated NotificationManager.Policy(int, int, int);
+    ctor public NotificationManager.Policy(int, int, int);
     ctor public NotificationManager.Policy(int, int, int, int);
     method public int describeContents();
     method public static java.lang.String priorityCategoriesToString(int);
@@ -10476,7 +10476,6 @@
     method public boolean hasNext();
     method public java.util.Iterator<android.database.CursorJoiner.Result> iterator();
     method public android.database.CursorJoiner.Result next();
-    method public void remove();
   }
 
   public static final class CursorJoiner.Result extends java.lang.Enum {
@@ -19878,7 +19877,7 @@
 
   public static abstract class AudioManager.AudioRecordingCallback {
     ctor public AudioManager.AudioRecordingCallback();
-    method public void onRecordConfigChanged();
+    method public void onRecordConfigChanged(android.media.AudioRecordConfiguration[]);
   }
 
   public static abstract interface AudioManager.OnAudioFocusChangeListener {
@@ -20862,6 +20861,7 @@
     method public final void setDataSource(android.content.Context, android.net.Uri, java.util.Map<java.lang.String, java.lang.String>) throws java.io.IOException;
     method public final void setDataSource(java.lang.String, java.util.Map<java.lang.String, java.lang.String>) throws java.io.IOException;
     method public final void setDataSource(java.lang.String) throws java.io.IOException;
+    method public final void setDataSource(android.content.res.AssetFileDescriptor) throws java.io.IOException, java.lang.IllegalArgumentException, java.lang.IllegalStateException;
     method public final void setDataSource(java.io.FileDescriptor) throws java.io.IOException;
     method public final void setDataSource(java.io.FileDescriptor, long, long) throws java.io.IOException;
     method public void unselectTrack(int);
@@ -20946,6 +20946,7 @@
     field public static final java.lang.String KEY_SLICE_HEIGHT = "slice-height";
     field public static final java.lang.String KEY_STRIDE = "stride";
     field public static final java.lang.String KEY_TEMPORAL_LAYERING = "ts-schema";
+    field public static final java.lang.String KEY_TRACK_ID = "track-id";
     field public static final java.lang.String KEY_WIDTH = "width";
     field public static final java.lang.String MIMETYPE_AUDIO_AAC = "audio/mp4a-latm";
     field public static final java.lang.String MIMETYPE_AUDIO_AC3 = "audio/ac3";
@@ -29058,6 +29059,8 @@
     ctor public Process();
     method public static final long getElapsedCpuTime();
     method public static final int getGidForName(java.lang.String);
+    method public static final long getStartElapsedRealtime();
+    method public static final long getStartUptimeMillis();
     method public static final int getThreadPriority(int) throws java.lang.IllegalArgumentException;
     method public static final int getUidForName(java.lang.String);
     method public static final boolean is64Bit();
@@ -31727,6 +31730,7 @@
 
   public static final class DocumentsContract.Root {
     field public static final java.lang.String COLUMN_AVAILABLE_BYTES = "available_bytes";
+    field public static final java.lang.String COLUMN_CAPACITY_BYTES = "capacity_bytes";
     field public static final java.lang.String COLUMN_DOCUMENT_ID = "document_id";
     field public static final java.lang.String COLUMN_FLAGS = "flags";
     field public static final java.lang.String COLUMN_ICON = "icon";
@@ -34251,7 +34255,8 @@
     ctor public CarrierMessagingService();
     method public android.os.IBinder onBind(android.content.Intent);
     method public void onDownloadMms(android.net.Uri, int, android.net.Uri, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Integer>);
-    method public void onFilterSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Boolean>);
+    method public deprecated void onFilterSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Boolean>);
+    method public void onReceiveTextSms(android.service.carrier.MessagePdu, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<java.lang.Integer>);
     method public deprecated void onSendDataSms(byte[], int, java.lang.String, int, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendSmsResult>);
     method public void onSendDataSms(byte[], int, java.lang.String, int, int, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendSmsResult>);
     method public void onSendMms(android.net.Uri, int, android.net.Uri, android.service.carrier.CarrierMessagingService.ResultCallback<android.service.carrier.CarrierMessagingService.SendMmsResult>);
@@ -34262,6 +34267,9 @@
     field public static final int DOWNLOAD_STATUS_ERROR = 2; // 0x2
     field public static final int DOWNLOAD_STATUS_OK = 0; // 0x0
     field public static final int DOWNLOAD_STATUS_RETRY_ON_CARRIER_NETWORK = 1; // 0x1
+    field public static final int RECEIVE_OPTIONS_DEFAULT = 0; // 0x0
+    field public static final int RECEIVE_OPTIONS_DROP = 1; // 0x1
+    field public static final int RECEIVE_OPTIONS_SKIP_NOTIFY_WHEN_CREDENTIAL_ENCRYPTED_STORAGE_UNAVAILABLE = 2; // 0x2
     field public static final int SEND_FLAG_REQUEST_DELIVERY_STATUS = 1; // 0x1
     field public static final int SEND_STATUS_ERROR = 2; // 0x2
     field public static final int SEND_STATUS_OK = 0; // 0x0
@@ -38490,7 +38498,6 @@
     method public boolean hasNext();
     method public java.util.Iterator<java.lang.String> iterator();
     method public java.lang.String next();
-    method public void remove();
     method public void setString(java.lang.String);
   }
 
@@ -40102,6 +40109,7 @@
     method public int describeContents();
     method public static android.util.LocaleList forLanguageTags(java.lang.String);
     method public java.util.Locale get(int);
+    method public static android.util.LocaleList getAdjustedDefault();
     method public static android.util.LocaleList getDefault();
     method public static android.util.LocaleList getEmptyLocaleList();
     method public java.util.Locale getFirstMatch(java.lang.String[]);
@@ -57725,9 +57733,10 @@
   }
 
   public abstract interface Iterator {
+    method public default void forEachRemaining(java.util.function.Consumer<? super E>);
     method public abstract boolean hasNext();
     method public abstract E next();
-    method public abstract void remove();
+    method public default void remove();
   }
 
   public class LinkedHashMap extends java.util.HashMap implements java.util.Map {
@@ -58030,6 +58039,79 @@
     method public abstract void update(java.util.Observable, java.lang.Object);
   }
 
+  public final class Optional {
+    method public static java.util.Optional<T> empty();
+    method public java.util.Optional<T> filter(java.util.function.Predicate<? super T>);
+    method public java.util.Optional<U> flatMap(java.util.function.Function<? super T, java.util.Optional<U>>);
+    method public T get();
+    method public void ifPresent(java.util.function.Consumer<? super T>);
+    method public boolean isPresent();
+    method public java.util.Optional<U> map(java.util.function.Function<? super T, ? extends U>);
+    method public static java.util.Optional<T> of(T);
+    method public static java.util.Optional<T> ofNullable(T);
+    method public T orElse(T);
+    method public T orElseGet(java.util.function.Supplier<? extends T>);
+    method public T orElseThrow(java.util.function.Supplier<? extends X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalDouble {
+    method public static java.util.OptionalDouble empty();
+    method public double getAsDouble();
+    method public void ifPresent(java.util.function.DoubleConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalDouble of(double);
+    method public double orElse(double);
+    method public double orElseGet(java.util.function.DoubleSupplier);
+    method public double orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalInt {
+    method public static java.util.OptionalInt empty();
+    method public int getAsInt();
+    method public void ifPresent(java.util.function.IntConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalInt of(int);
+    method public int orElse(int);
+    method public int orElseGet(java.util.function.IntSupplier);
+    method public int orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public final class OptionalLong {
+    method public static java.util.OptionalLong empty();
+    method public long getAsLong();
+    method public void ifPresent(java.util.function.LongConsumer);
+    method public boolean isPresent();
+    method public static java.util.OptionalLong of(long);
+    method public long orElse(long);
+    method public long orElseGet(java.util.function.LongSupplier);
+    method public long orElseThrow(java.util.function.Supplier<X>) throws java.lang.Throwable;
+  }
+
+  public abstract interface PrimitiveIterator implements java.util.Iterator {
+    method public abstract void forEachRemaining(T_CONS);
+  }
+
+  public static abstract interface PrimitiveIterator.OfDouble implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.DoubleConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Double>);
+    method public default java.lang.Double next();
+    method public abstract double nextDouble();
+  }
+
+  public static abstract interface PrimitiveIterator.OfInt implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.IntConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Integer>);
+    method public default java.lang.Integer next();
+    method public abstract int nextInt();
+  }
+
+  public static abstract interface PrimitiveIterator.OfLong implements java.util.PrimitiveIterator {
+    method public default void forEachRemaining(java.util.function.LongConsumer);
+    method public default void forEachRemaining(java.util.function.Consumer<? super java.lang.Long>);
+    method public default java.lang.Long next();
+    method public abstract long nextLong();
+  }
+
   public class PriorityQueue extends java.util.AbstractQueue implements java.io.Serializable {
     ctor public PriorityQueue();
     ctor public PriorityQueue(int);
@@ -58201,7 +58283,6 @@
     method public short nextShort();
     method public short nextShort(int);
     method public int radix();
-    method public void remove();
     method public java.util.Scanner reset();
     method public java.util.Scanner skip(java.util.regex.Pattern);
     method public java.util.Scanner skip(java.lang.String);
diff --git a/cmds/am/src/com/android/commands/am/Am.java b/cmds/am/src/com/android/commands/am/Am.java
index df0e5fc..e6c5768 100644
--- a/cmds/am/src/com/android/commands/am/Am.java
+++ b/cmds/am/src/com/android/commands/am/Am.java
@@ -577,7 +577,7 @@
                         return;
                     }
                     List<ResolveInfo> activities = pm.queryIntentActivities(intent, mimeType, 0,
-                            mUserId);
+                            mUserId).getList();
                     if (activities == null || activities.size() <= 0) {
                         System.err.println("Error: Intent does not match any activities: "
                                 + intent);
@@ -606,7 +606,7 @@
                             new File(mProfileFile),
                             ParcelFileDescriptor.MODE_CREATE |
                             ParcelFileDescriptor.MODE_TRUNCATE |
-                            ParcelFileDescriptor.MODE_READ_WRITE);
+                            ParcelFileDescriptor.MODE_WRITE_ONLY);
                 } catch (FileNotFoundException e) {
                     System.err.println("Error: Unable to open file: " + mProfileFile);
                     System.err.println("Consider using a file under /data/local/tmp/");
@@ -903,7 +903,7 @@
             fd = openForSystemServer(file,
                     ParcelFileDescriptor.MODE_CREATE |
                             ParcelFileDescriptor.MODE_TRUNCATE |
-                            ParcelFileDescriptor.MODE_READ_WRITE);
+                            ParcelFileDescriptor.MODE_WRITE_ONLY);
         } catch (FileNotFoundException e) {
             System.err.println("Error: Unable to open file: " + filename);
             System.err.println("Consider using a file under /data/local/tmp/");
@@ -992,7 +992,7 @@
                         new File(profileFile),
                         ParcelFileDescriptor.MODE_CREATE |
                         ParcelFileDescriptor.MODE_TRUNCATE |
-                        ParcelFileDescriptor.MODE_READ_WRITE);
+                        ParcelFileDescriptor.MODE_WRITE_ONLY);
             } catch (FileNotFoundException e) {
                 System.err.println("Error: Unable to open file: " + profileFile);
                 System.err.println("Consider using a file under /data/local/tmp/");
@@ -1052,7 +1052,7 @@
             fd = openForSystemServer(file,
                     ParcelFileDescriptor.MODE_CREATE |
                     ParcelFileDescriptor.MODE_TRUNCATE |
-                    ParcelFileDescriptor.MODE_READ_WRITE);
+                    ParcelFileDescriptor.MODE_WRITE_ONLY);
         } catch (FileNotFoundException e) {
             System.err.println("Error: Unable to open file: " + heapFile);
             System.err.println("Consider using a file under /data/local/tmp/");
diff --git a/core/java/android/animation/AnimatorInflater.java b/core/java/android/animation/AnimatorInflater.java
index 20d71a6..8d03b55 100644
--- a/core/java/android/animation/AnimatorInflater.java
+++ b/core/java/android/animation/AnimatorInflater.java
@@ -108,7 +108,7 @@
             float pathErrorScale) throws NotFoundException {
         final ConfigurationBoundResourceCache<Animator> animatorCache = resources
                 .getAnimatorCache();
-        Animator animator = animatorCache.getInstance(id, theme);
+        Animator animator = animatorCache.getInstance(id, resources, theme);
         if (animator != null) {
             if (DBG_ANIMATOR_INFLATER) {
                 Log.d(TAG, "loaded animator from cache, " + resources.getResourceName(id));
@@ -157,7 +157,7 @@
         final ConfigurationBoundResourceCache<StateListAnimator> cache = resources
                 .getStateListAnimatorCache();
         final Theme theme = context.getTheme();
-        StateListAnimator animator = cache.getInstance(id, theme);
+        StateListAnimator animator = cache.getInstance(id, resources, theme);
         if (animator != null) {
             return animator;
         }
diff --git a/core/java/android/animation/ValueAnimator.java b/core/java/android/animation/ValueAnimator.java
index e721de9..5ab2c1d 100644
--- a/core/java/android/animation/ValueAnimator.java
+++ b/core/java/android/animation/ValueAnimator.java
@@ -1029,8 +1029,16 @@
 
     @Override
     public void resume() {
-        if (mPaused) {
+        if (Looper.myLooper() == null) {
+            throw new AndroidRuntimeException("Animators may only be resumed from the same " +
+                    "thread that the animator was started on");
+        }
+        if (mPaused && !mResumed) {
             mResumed = true;
+            if (mPauseTime > 0) {
+                AnimationHandler handler = AnimationHandler.getInstance();
+                handler.addAnimationFrameCallback(this, 0);
+            }
         }
         super.resume();
     }
@@ -1235,9 +1243,8 @@
         }
         mLastFrameTime = frameTime;
         if (mPaused) {
-            if (mPauseTime < 0) {
-                mPauseTime = frameTime;
-            }
+            mPauseTime = frameTime;
+            handler.removeCallback(this);
             return;
         } else if (mResumed) {
             mResumed = false;
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index be89b20..b87e9fa2 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -6599,7 +6599,8 @@
         if (isAppDebuggable || isDlwarningEnabled) {
             String dlwarning = getDlWarning();
             if (dlwarning != null) {
-                String appName = getString(mApplication.getApplicationInfo().labelRes);
+                String appName = getApplicationInfo().loadLabel(getPackageManager())
+                        .toString();
                 String warning = "Detected problems with app native libraries\n" +
                                  "(please consult log for detail):\n" + dlwarning;
                 if (isAppDebuggable) {
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index 4676cc4..a4e5b90 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -577,6 +577,16 @@
         }
 
         /**
+         * Return whether a stackId is a stack containing floating windows. Floating windows
+         * are laid out differently as they are allowed to extend past the display bounds
+         * without overscan insets.
+         */
+        public static boolean tasksAreFloating(int stackId) {
+            return stackId == FREEFORM_WORKSPACE_STACK_ID
+                || stackId == PINNED_STACK_ID;
+        }
+
+        /**
          * Returns true if animation specs should be constructed for app transition that moves
          * the task to the specified stack.
          */
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index 9d8dca60..ff7f70d 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -823,7 +823,21 @@
             reply.writeNoException();
             return true;
         }
-
+        case RESIZE_PINNED_STACK_TRANSACTION: {
+            data.enforceInterface(IActivityManager.descriptor);
+            final boolean hasBounds = data.readInt() != 0;
+            Rect bounds = null;
+            if (hasBounds) {
+                bounds = Rect.CREATOR.createFromParcel(data);
+            }
+            final boolean hasTempPinnedTaskBounds = data.readInt() != 0;
+            Rect tempPinnedTaskBounds = null;
+            if (hasTempPinnedTaskBounds) {
+                tempPinnedTaskBounds = Rect.CREATOR.createFromParcel(data);
+            }
+            resizePinnedStack(bounds, tempPinnedTaskBounds);
+            return true;
+        }
         case RESIZE_DOCKED_STACK_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             final boolean hasBounds = data.readInt() != 0;
@@ -3914,6 +3928,31 @@
         data.recycle();
         reply.recycle();
     }
+
+    @Override
+    public void resizePinnedStack(Rect pinnedBounds, Rect tempPinnedTaskBounds) throws RemoteException
+    {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IActivityManager.descriptor);
+        if (pinnedBounds != null) {
+            data.writeInt(1);
+            pinnedBounds.writeToParcel(data, 0);
+        } else {
+            data.writeInt(0);
+        }
+        if (tempPinnedTaskBounds != null) {
+            data.writeInt(1);
+            tempPinnedTaskBounds.writeToParcel(data, 0);
+        } else {
+            data.writeInt(0);
+        }
+        mRemote.transact(RESIZE_PINNED_STACK_TRANSACTION, data, reply, 0);
+        reply.readException();
+        data.recycle();
+        reply.recycle();
+    }
+
     @Override
     public void positionTaskInStack(int taskId, int stackId, int position) throws RemoteException
     {
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 1e95c98..a452d20 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -113,6 +113,7 @@
 import com.android.internal.os.RuntimeInit;
 import com.android.internal.os.SamplingProfilerIntegration;
 import com.android.internal.os.SomeArgs;
+import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.FastPrintWriter;
 import com.android.org.conscrypt.OpenSSLSocketImpl;
 import com.android.org.conscrypt.TrustedCertificateStore;
@@ -193,7 +194,7 @@
 
     private ContextImpl mSystemContext;
 
-    static IPackageManager sPackageManager;
+    static volatile IPackageManager sPackageManager;
 
     final ApplicationThread mAppThread = new ApplicationThread();
     final Looper mLooper = Looper.myLooper();
@@ -218,7 +219,7 @@
     // set of instantiated backup agents, keyed by package name
     final ArrayMap<String, BackupAgent> mBackupAgents = new ArrayMap<String, BackupAgent>();
     /** Reference to singleton {@link ActivityThread} */
-    private static ActivityThread sCurrentActivityThread;
+    private static volatile ActivityThread sCurrentActivityThread;
     Instrumentation mInstrumentation;
     String mInstrumentationPackageName = null;
     String mInstrumentationAppDir = null;
@@ -296,7 +297,7 @@
     final GcIdler mGcIdler = new GcIdler();
     boolean mGcIdlerScheduled = false;
 
-    static Handler sMainThreadHandler;  // set once in main()
+    static volatile Handler sMainThreadHandler;  // set once in main()
 
     Bundle mCoreSettings = null;
 
@@ -1788,7 +1789,8 @@
     }
 
     /**
-     * Creates the top level resources for the given package.
+     * Creates the top level resources for the given package. Will return an existing
+     * Resources if one has already been created.
      */
     Resources getTopLevelResources(String resDir, String[] splitResDirs, String[] overlayDirs,
             String[] libDirs, int displayId, Configuration overrideConfiguration,
@@ -1798,6 +1800,19 @@
                 pkgInfo.getClassLoader());
     }
 
+    /**
+     * Creates a new top level resources for the given package. Will always create a new
+     * Resources, regardless if one has already been created.
+     */
+    Resources getNewTopLevelResources(String resDir, String[] splitResDirs, String[] overlayDirs,
+            String[] libDirs, int displayId, Configuration overrideConfiguration,
+            LoadedApk pkgInfo) {
+        mResourcesManager.removeTopLevelResources(
+                resDir, displayId, overrideConfiguration, pkgInfo.getCompatibilityInfo());
+        return getTopLevelResources(resDir, splitResDirs, overlayDirs, libDirs,
+                displayId, overrideConfiguration, pkgInfo);
+    }
+
     final Handler getHandler() {
         return mH;
     }
@@ -4749,29 +4764,87 @@
 
     final void handleDispatchPackageBroadcast(int cmd, String[] packages) {
         boolean hasPkgInfo = false;
-        if (packages != null) {
-            synchronized (mResourcesManager) {
-                for (int i=packages.length-1; i>=0; i--) {
-                    //Slog.i(TAG, "Cleaning old package: " + packages[i]);
-                    if (!hasPkgInfo) {
-                        WeakReference<LoadedApk> ref;
-                        ref = mPackages.get(packages[i]);
-                        if (ref != null && ref.get() != null) {
+        switch (cmd) {
+            case IApplicationThread.PACKAGE_REMOVED:
+            case IApplicationThread.PACKAGE_REMOVED_DONT_KILL:
+            {
+                final boolean killApp = cmd == IApplicationThread.PACKAGE_REMOVED;
+                if (packages == null) {
+                    break;
+                }
+                synchronized (mResourcesManager) {
+                    for (int i = packages.length - 1; i >= 0; i--) {
+                        if (!hasPkgInfo) {
+                            WeakReference<LoadedApk> ref = mPackages.get(packages[i]);
+                            if (ref != null && ref.get() != null) {
+                                hasPkgInfo = true;
+                            } else {
+                                ref = mResourcePackages.get(packages[i]);
+                                if (ref != null && ref.get() != null) {
+                                    hasPkgInfo = true;
+                                }
+                            }
+                        }
+                        if (killApp) {
+                            mPackages.remove(packages[i]);
+                            mResourcePackages.remove(packages[i]);
+                        }
+                    }
+                }
+                break;
+            }
+            case IApplicationThread.PACKAGE_REPLACED:
+            {
+                if (packages == null) {
+                    break;
+                }
+                synchronized (mResourcesManager) {
+                    for (int i = packages.length - 1; i >= 0; i--) {
+                        WeakReference<LoadedApk> ref = mPackages.get(packages[i]);
+                        LoadedApk pkgInfo = ref != null ? ref.get() : null;
+                        if (pkgInfo != null) {
                             hasPkgInfo = true;
                         } else {
                             ref = mResourcePackages.get(packages[i]);
-                            if (ref != null && ref.get() != null) {
+                            pkgInfo = ref != null ? ref.get() : null;
+                            if (pkgInfo != null) {
                                 hasPkgInfo = true;
                             }
                         }
+                        // If the package is being replaced, yet it still has a valid
+                        // LoadedApk object, the package was updated with _DONT_KILL.
+                        // Adjust it's internal references to the application info and
+                        // resources.
+                        if (pkgInfo != null) {
+                            try {
+                                final String packageName = packages[i];
+                                final ApplicationInfo aInfo =
+                                        sPackageManager.getApplicationInfo(
+                                                packageName,
+                                                0 /*flags*/,
+                                                UserHandle.myUserId());
+
+                                if (mActivities.size() > 0) {
+                                    for (ActivityClientRecord ar : mActivities.values()) {
+                                        if (ar.activityInfo.applicationInfo.packageName
+                                                .equals(packageName)) {
+                                            ar.activityInfo.applicationInfo = aInfo;
+                                            ar.packageInfo = pkgInfo;
+                                        }
+                                    }
+                                }
+                                final List<String> oldPaths =
+                                        sPackageManager.getPreviousCodePaths(packageName);
+                                pkgInfo.updateApplicationInfo(aInfo, oldPaths);
+                            } catch (RemoteException e) {
+                            }
+                        }
                     }
-                    mPackages.remove(packages[i]);
-                    mResourcePackages.remove(packages[i]);
                 }
+                break;
             }
         }
-        ApplicationPackageManager.handlePackageBroadcast(cmd, packages,
-                hasPkgInfo);
+        ApplicationPackageManager.handlePackageBroadcast(cmd, packages, hasPkgInfo);
     }
 
     final void handleLowMemory() {
@@ -4909,6 +4982,9 @@
             DdmVmInternal.enableRecentAllocations(true);
         }
 
+        // Note when this process has started.
+        Process.setStartTimes(SystemClock.elapsedRealtime(), SystemClock.uptimeMillis());
+
         mBoundApplication = data;
         mConfiguration = new Configuration(data.config);
         mCompatConfiguration = new Configuration(data.config);
@@ -5189,9 +5265,8 @@
             // don't bring up providers in restricted mode; they may depend on the
             // app's custom Application class
             if (!data.restrictedBackupMode) {
-                List<ProviderInfo> providers = data.providers;
-                if (providers != null) {
-                    installContentProviders(app, providers);
+                if (!ArrayUtils.isEmpty(data.providers)) {
+                    installContentProviders(app, data.providers);
                     // For process that contains content providers, we want to
                     // ensure that the JIT is enabled "at some point".
                     mH.sendEmptyMessageDelayed(H.ENABLE_JIT, 10*1000);
diff --git a/core/java/android/app/ApplicationLoaders.java b/core/java/android/app/ApplicationLoaders.java
index b20c091..0fc097e 100644
--- a/core/java/android/app/ApplicationLoaders.java
+++ b/core/java/android/app/ApplicationLoaders.java
@@ -86,6 +86,18 @@
                                                             String libraryPermittedPath,
                                                             boolean isShared);
 
+    /**
+     * Adds a new path the classpath of the given loader.
+     * @throws IllegalStateException if the provided class loader is not a {@link PathClassLoader}.
+     */
+    void addPath(ClassLoader classLoader, String dexPath) {
+        if (!(classLoader instanceof PathClassLoader)) {
+            throw new IllegalStateException("class loader is not a PathClassLoader");
+        }
+        final PathClassLoader baseDexClassLoader = (PathClassLoader) classLoader;
+        baseDexClassLoader.addDexPath(dexPath);
+    }
+
     private final ArrayMap<String, ClassLoader> mLoaders = new ArrayMap<String, ClassLoader>();
 
     private static final ApplicationLoaders gApplicationLoaders
diff --git a/core/java/android/app/ApplicationPackageManager.java b/core/java/android/app/ApplicationPackageManager.java
index c841111..0b44925 100644
--- a/core/java/android/app/ApplicationPackageManager.java
+++ b/core/java/android/app/ApplicationPackageManager.java
@@ -275,7 +275,7 @@
     public List<PermissionInfo> queryPermissionsByGroup(String group, int flags)
             throws NameNotFoundException {
         try {
-            List<PermissionInfo> pi = mPM.queryPermissionsByGroup(group, flags);
+            List<PermissionInfo> pi = mPM.queryPermissionsByGroup(group, flags).getList();
             if (pi != null) {
                 return pi;
             }
@@ -304,7 +304,7 @@
     @Override
     public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
         try {
-            return mPM.getAllPermissionGroups(flags);
+            return mPM.getAllPermissionGroups(flags).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -441,7 +441,12 @@
     @Override
     public FeatureInfo[] getSystemAvailableFeatures() {
         try {
-            return mPM.getSystemAvailableFeatures();
+            final List<FeatureInfo> list = mPM.getSystemAvailableFeatures().getList();
+            final FeatureInfo[] res = new FeatureInfo[list.size()];
+            for (int i = 0; i < res.length; i++) {
+                res[i] = list.get(i);
+            }
+            return res;
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -772,7 +777,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                userId);
+                userId).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -802,9 +807,10 @@
         }
 
         try {
-            return mPM.queryIntentActivityOptions(caller, specifics,
-                                                  specificTypes, intent, intent.resolveTypeIfNeeded(resolver),
-                                                  flags, mContext.getUserId());
+            return mPM
+                    .queryIntentActivityOptions(caller, specifics, specificTypes, intent,
+                            intent.resolveTypeIfNeeded(resolver), flags, mContext.getUserId())
+                    .getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -820,7 +826,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                userId);
+                userId).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -851,7 +857,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                userId);
+                userId).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -867,7 +873,8 @@
             Intent intent, int flags, int userId) {
         try {
             return mPM.queryIntentContentProviders(intent,
-                    intent.resolveTypeIfNeeded(mContext.getContentResolver()), flags, userId);
+                    intent.resolveTypeIfNeeded(mContext.getContentResolver()), flags, userId)
+                    .getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -926,7 +933,7 @@
     public List<InstrumentationInfo> queryInstrumentation(
         String targetPackage, int flags) {
         try {
-            return mPM.queryInstrumentation(targetPackage, flags);
+            return mPM.queryInstrumentation(targetPackage, flags).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -1543,9 +1550,9 @@
     }
 
     @Override
-    public void verifyIntentFilter(int id, int verificationCode, List<String> outFailedDomains) {
+    public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) {
         try {
-            mPM.verifyIntentFilter(id, verificationCode, outFailedDomains);
+            mPM.verifyIntentFilter(id, verificationCode, failedDomains);
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -1572,7 +1579,7 @@
     @Override
     public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) {
         try {
-            return mPM.getIntentFilterVerifications(packageName);
+            return mPM.getIntentFilterVerifications(packageName).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -1581,7 +1588,7 @@
     @Override
     public List<IntentFilter> getAllIntentFilters(String packageName) {
         try {
-            return mPM.getAllIntentFilters(packageName);
+            return mPM.getAllIntentFilters(packageName).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -1892,31 +1899,21 @@
             throw e.rethrowFromSystemServer();
         }
     }
+
     @Override
     public void addPackageToPreferred(String packageName) {
-        try {
-            mPM.addPackageToPreferred(packageName);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        Log.w(TAG, "addPackageToPreferred() is a no-op");
     }
 
     @Override
     public void removePackageFromPreferred(String packageName) {
-        try {
-            mPM.removePackageFromPreferred(packageName);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        Log.w(TAG, "removePackageFromPreferred() is a no-op");
     }
 
     @Override
     public List<PackageInfo> getPreferredPackages(int flags) {
-        try {
-            return mPM.getPreferredPackages(flags);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        Log.w(TAG, "getPreferredPackages() is a no-op");
+        return Collections.emptyList();
     }
 
     @Override
diff --git a/core/java/android/app/IActivityManager.java b/core/java/android/app/IActivityManager.java
index d78f59f..70bff80 100644
--- a/core/java/android/app/IActivityManager.java
+++ b/core/java/android/app/IActivityManager.java
@@ -171,6 +171,16 @@
     public void resizeDockedStack(Rect dockedBounds, Rect tempDockedTaskBounds,
             Rect tempDockedTaskInsetBounds,
             Rect tempOtherTaskBounds, Rect tempOtherTaskInsetBounds) throws RemoteException;
+    /**
+     * Resizes the pinned stack.
+     *
+     * @param pinnedBounds The bounds for the pinned stack.
+     * @param tempPinnedTaskBounds The temporary bounds for the tasks in the pinned stack, which
+     *                             might be different from the stack bounds to allow more
+     *                             flexibility while resizing, or {@code null} if they should be the
+     *                             same as the stack bounds.
+     */
+    public void resizePinnedStack(Rect pinnedBounds, Rect tempPinnedTaskBounds) throws RemoteException;
     public void positionTaskInStack(int taskId, int stackId, int position) throws RemoteException;
     public List<StackInfo> getAllStackInfos() throws RemoteException;
     public StackInfo getStackInfo(int stackId) throws RemoteException;
@@ -982,4 +992,5 @@
     int REMOVE_STACK = IBinder.FIRST_CALL_TRANSACTION + 367;
     int SET_LENIENT_BACKGROUND_CHECK_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+368;
     int GET_MEMORY_TRIM_LEVEL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+369;
+    int RESIZE_PINNED_STACK_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 370;
 }
diff --git a/core/java/android/app/IApplicationThread.java b/core/java/android/app/IApplicationThread.java
index a3c9591..628bde0 100644
--- a/core/java/android/app/IApplicationThread.java
+++ b/core/java/android/app/IApplicationThread.java
@@ -123,8 +123,13 @@
     void dumpHeap(boolean managed, String path, ParcelFileDescriptor fd)
             throws RemoteException;
     void setSchedulingGroup(int group) throws RemoteException;
+    // the package has been removed, clean up internal references
     static final int PACKAGE_REMOVED = 0;
     static final int EXTERNAL_STORAGE_UNAVAILABLE = 1;
+    // the package is being modified in-place, don't kill it and retain references to it
+    static final int PACKAGE_REMOVED_DONT_KILL = 2;
+    // a previously removed package was replaced with a new version [eg. upgrade, split added, ...]
+    static final int PACKAGE_REPLACED = 3;
     void dispatchPackageBroadcast(int cmd, String[] packages) throws RemoteException;
     void scheduleCrash(String msg) throws RemoteException;
     void dumpActivity(FileDescriptor fd, IBinder servicetoken, String prefix, String[] args)
diff --git a/core/java/android/app/LoadedApk.java b/core/java/android/app/LoadedApk.java
index b65faa9..cd17078 100644
--- a/core/java/android/app/LoadedApk.java
+++ b/core/java/android/app/LoadedApk.java
@@ -58,6 +58,7 @@
 import java.net.URL;
 import java.util.List;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.Objects;
@@ -83,24 +84,25 @@
     private static final String TAG = "LoadedApk";
 
     private final ActivityThread mActivityThread;
-    private ApplicationInfo mApplicationInfo;
     final String mPackageName;
-    private final String mAppDir;
-    private final String mResDir;
-    private final String[] mSplitAppDirs;
-    private final String[] mSplitResDirs;
-    private final String[] mOverlayDirs;
-    private final String[] mSharedLibraries;
-    private final String mDataDir;
-    private final String mLibDir;
-    private final File mDataDirFile;
-    private final File mDeviceEncryptedDataDirFile;
-    private final File mCredentialEncryptedDataDirFile;
+    private ApplicationInfo mApplicationInfo;
+    private String mAppDir;
+    private String mResDir;
+    private String[] mSplitAppDirs;
+    private String[] mSplitResDirs;
+    private String[] mOverlayDirs;
+    private String[] mSharedLibraries;
+    private String mDataDir;
+    private String mLibDir;
+    private File mDataDirFile;
+    private File mDeviceEncryptedDataDirFile;
+    private File mCredentialEncryptedDataDirFile;
     private final ClassLoader mBaseClassLoader;
     private final boolean mSecurityViolation;
     private final boolean mIncludeCode;
     private final boolean mRegisterPackage;
     private final DisplayAdjustments mDisplayAdjustments = new DisplayAdjustments();
+    /** WARNING: This may change. Don't hold external references to it. */
     Resources mResources;
     private ClassLoader mClassLoader;
     private Application mApplication;
@@ -129,23 +131,10 @@
     public LoadedApk(ActivityThread activityThread, ApplicationInfo aInfo,
             CompatibilityInfo compatInfo, ClassLoader baseLoader,
             boolean securityViolation, boolean includeCode, boolean registerPackage) {
-        final int myUid = Process.myUid();
-        aInfo = adjustNativeLibraryPaths(aInfo);
 
         mActivityThread = activityThread;
-        mApplicationInfo = aInfo;
+        setApplicationInfo(aInfo);
         mPackageName = aInfo.packageName;
-        mAppDir = aInfo.sourceDir;
-        mResDir = aInfo.uid == myUid ? aInfo.sourceDir : aInfo.publicSourceDir;
-        mSplitAppDirs = aInfo.splitSourceDirs;
-        mSplitResDirs = aInfo.uid == myUid ? aInfo.splitSourceDirs : aInfo.splitPublicSourceDirs;
-        mOverlayDirs = aInfo.resourceDirs;
-        mSharedLibraries = aInfo.sharedLibraryFiles;
-        mDataDir = aInfo.dataDir;
-        mDataDirFile = FileUtils.newFileOrNull(mDataDir);
-        mDeviceEncryptedDataDirFile = FileUtils.newFileOrNull(aInfo.deviceEncryptedDataDir);
-        mCredentialEncryptedDataDirFile = FileUtils.newFileOrNull(aInfo.credentialEncryptedDataDir);
-        mLibDir = aInfo.nativeLibraryDir;
         mBaseClassLoader = baseLoader;
         mSecurityViolation = securityViolation;
         mIncludeCode = includeCode;
@@ -266,26 +255,165 @@
         return ai.sharedLibraryFiles;
     }
 
-    public ClassLoader getClassLoader() {
-        synchronized (this) {
-            if (mClassLoader != null) {
-                return mClassLoader;
-            }
+    public void updateApplicationInfo(ApplicationInfo aInfo, List<String> oldPaths) {
+        setApplicationInfo(aInfo);
 
-            if (mPackageName.equals("android")) {
-                if (mBaseClassLoader == null) {
-                    mClassLoader = ClassLoader.getSystemClassLoader();
-                } else {
-                    mClassLoader = mBaseClassLoader;
+        final List<String> newPaths = new ArrayList<>();
+        makePaths(mActivityThread, aInfo, newPaths, null /*libPaths*/);
+        final List<String> addedPaths = new ArrayList<>(newPaths.size());
+
+        if (oldPaths != null) {
+            for (String path : newPaths) {
+                final String apkName = path.substring(path.lastIndexOf(File.separator));
+                boolean match = false;
+                for (String oldPath : oldPaths) {
+                    final String oldApkName = oldPath.substring(path.lastIndexOf(File.separator));
+                    if (apkName.equals(oldApkName)) {
+                        match = true;
+                        break;
+                    }
                 }
-                return mClassLoader;
+                if (!match) {
+                    addedPaths.add(path);
+                }
+            }
+        } else {
+            addedPaths.addAll(newPaths);
+        }
+        synchronized (this) {
+            mClassLoader = createOrUpdateClassLoaderLocked(addedPaths);
+            if (mResources != null) {
+                mResources = mActivityThread.getNewTopLevelResources(mResDir, mSplitResDirs,
+                        mOverlayDirs, mApplicationInfo.sharedLibraryFiles, Display.DEFAULT_DISPLAY,
+                        null /*overrideConfiguration*/, this);
+            }
+        }
+    }
+
+    private void setApplicationInfo(ApplicationInfo aInfo) {
+        final int myUid = Process.myUid();
+        aInfo = adjustNativeLibraryPaths(aInfo);
+        mApplicationInfo = aInfo;
+        mAppDir = aInfo.sourceDir;
+        mResDir = aInfo.uid == myUid ? aInfo.sourceDir : aInfo.publicSourceDir;
+        mSplitAppDirs = aInfo.splitSourceDirs;
+        mSplitResDirs = aInfo.uid == myUid ? aInfo.splitSourceDirs : aInfo.splitPublicSourceDirs;
+        mOverlayDirs = aInfo.resourceDirs;
+        mSharedLibraries = aInfo.sharedLibraryFiles;
+        mDataDir = aInfo.dataDir;
+        mLibDir = aInfo.nativeLibraryDir;
+        mDataDirFile = FileUtils.newFileOrNull(aInfo.dataDir);
+        mDeviceEncryptedDataDirFile = FileUtils.newFileOrNull(aInfo.deviceEncryptedDataDir);
+        mCredentialEncryptedDataDirFile = FileUtils.newFileOrNull(aInfo.credentialEncryptedDataDir);
+    }
+
+    public static void makePaths(ActivityThread activityThread, ApplicationInfo aInfo,
+            List<String> outZipPaths, List<String> outLibPaths) {
+        final String appDir = aInfo.sourceDir;
+        final String[] splitAppDirs = aInfo.splitSourceDirs;
+        final String libDir = aInfo.nativeLibraryDir;
+        final String[] sharedLibraries = aInfo.sharedLibraryFiles;
+
+        outZipPaths.clear();
+        outZipPaths.add(appDir);
+        if (splitAppDirs != null) {
+            Collections.addAll(outZipPaths, splitAppDirs);
+        }
+
+        if (outLibPaths != null) {
+            outLibPaths.clear();
+        }
+
+        /*
+         * The following is a bit of a hack to inject
+         * instrumentation into the system: If the app
+         * being started matches one of the instrumentation names,
+         * then we combine both the "instrumentation" and
+         * "instrumented" app into the path, along with the
+         * concatenation of both apps' shared library lists.
+         */
+
+        String instrumentationPackageName = activityThread.mInstrumentationPackageName;
+        String instrumentationAppDir = activityThread.mInstrumentationAppDir;
+        String[] instrumentationSplitAppDirs = activityThread.mInstrumentationSplitAppDirs;
+        String instrumentationLibDir = activityThread.mInstrumentationLibDir;
+
+        String instrumentedAppDir = activityThread.mInstrumentedAppDir;
+        String[] instrumentedSplitAppDirs = activityThread.mInstrumentedSplitAppDirs;
+        String instrumentedLibDir = activityThread.mInstrumentedLibDir;
+        String[] instrumentationLibs = null;
+
+        if (appDir.equals(instrumentationAppDir)
+                || appDir.equals(instrumentedAppDir)) {
+            outZipPaths.clear();
+            outZipPaths.add(instrumentationAppDir);
+            if (instrumentationSplitAppDirs != null) {
+                Collections.addAll(outZipPaths, instrumentationSplitAppDirs);
+            }
+            outZipPaths.add(instrumentedAppDir);
+            if (instrumentedSplitAppDirs != null) {
+                Collections.addAll(outZipPaths, instrumentedSplitAppDirs);
             }
 
+            if (outLibPaths != null) {
+                outLibPaths.add(instrumentationLibDir);
+                outLibPaths.add(instrumentedLibDir);
+            }
+
+            if (!instrumentedAppDir.equals(instrumentationAppDir)) {
+                instrumentationLibs = getLibrariesFor(instrumentationPackageName);
+            }
+        }
+
+        if (outLibPaths != null) {
+            if (outLibPaths.isEmpty()) {
+                outLibPaths.add(libDir);
+            }
+
+            // Add path to libraries in apk for current abi. Do this now because more entries
+            // will be added to zipPaths that shouldn't be part of the library path.
+            if (aInfo.primaryCpuAbi != null) {
+                for (String apk : outZipPaths) {
+                    outLibPaths.add(apk + "!/lib/" + aInfo.primaryCpuAbi);
+                }
+            }
+
+            if (aInfo.isSystemApp() && !aInfo.isUpdatedSystemApp()) {
+                // Add path to system libraries to libPaths;
+                // Access to system libs should be limited
+                // to bundled applications; this is why updated
+                // system apps are not included.
+                outLibPaths.add(System.getProperty("java.library.path"));
+            }
+        }
+
+        if (sharedLibraries != null) {
+            for (String lib : sharedLibraries) {
+                if (!outZipPaths.contains(lib)) {
+                    outZipPaths.add(0, lib);
+                }
+            }
+        }
+
+        if (instrumentationLibs != null) {
+            for (String lib : instrumentationLibs) {
+                if (!outZipPaths.contains(lib)) {
+                    outZipPaths.add(0, lib);
+                }
+            }
+        }
+
+        final String zip = TextUtils.join(File.pathSeparator, outZipPaths);
+    }
+
+    private ClassLoader createOrUpdateClassLoaderLocked(List<String> addedPaths) {
+        final ClassLoader classLoader;
+        if (mIncludeCode && !mPackageName.equals("android")) {
             // Avoid the binder call when the package is the current application package.
             // The activity manager will perform ensure that dexopt is performed before
             // spinning up the process.
             if (!Objects.equals(mPackageName, ActivityThread.currentPackageName())) {
-                final String isa = VMRuntime.getRuntime().vmInstructionSet();
+                VMRuntime.getRuntime().vmInstructionSet();
                 try {
                     ActivityThread.getPackageManager().notifyPackageUse(mPackageName);
                 } catch (RemoteException re) {
@@ -294,7 +422,6 @@
             }
 
             final List<String> zipPaths = new ArrayList<>();
-            final List<String> apkPaths = new ArrayList<>();
             final List<String> libPaths = new ArrayList<>();
 
             if (mRegisterPackage) {
@@ -305,91 +432,12 @@
                 }
             }
 
-            zipPaths.add(mAppDir);
-            if (mSplitAppDirs != null) {
-                Collections.addAll(zipPaths, mSplitAppDirs);
-            }
-
-            libPaths.add(mLibDir);
-
-            /*
-             * The following is a bit of a hack to inject
-             * instrumentation into the system: If the app
-             * being started matches one of the instrumentation names,
-             * then we combine both the "instrumentation" and
-             * "instrumented" app into the path, along with the
-             * concatenation of both apps' shared library lists.
-             */
-
-            String instrumentationPackageName = mActivityThread.mInstrumentationPackageName;
-            String instrumentationAppDir = mActivityThread.mInstrumentationAppDir;
-            String[] instrumentationSplitAppDirs = mActivityThread.mInstrumentationSplitAppDirs;
-            String instrumentationLibDir = mActivityThread.mInstrumentationLibDir;
-
-            String instrumentedAppDir = mActivityThread.mInstrumentedAppDir;
-            String[] instrumentedSplitAppDirs = mActivityThread.mInstrumentedSplitAppDirs;
-            String instrumentedLibDir = mActivityThread.mInstrumentedLibDir;
-            String[] instrumentationLibs = null;
-
-            if (mAppDir.equals(instrumentationAppDir)
-                    || mAppDir.equals(instrumentedAppDir)) {
-                zipPaths.clear();
-                zipPaths.add(instrumentationAppDir);
-                if (instrumentationSplitAppDirs != null) {
-                    Collections.addAll(zipPaths, instrumentationSplitAppDirs);
-                }
-                zipPaths.add(instrumentedAppDir);
-                if (instrumentedSplitAppDirs != null) {
-                    Collections.addAll(zipPaths, instrumentedSplitAppDirs);
-                }
-
-                libPaths.clear();
-                libPaths.add(instrumentationLibDir);
-                libPaths.add(instrumentedLibDir);
-
-                if (!instrumentedAppDir.equals(instrumentationAppDir)) {
-                    instrumentationLibs = getLibrariesFor(instrumentationPackageName);
-                }
-            }
-
-            apkPaths.addAll(zipPaths);
-
-            if (mSharedLibraries != null) {
-                for (String lib : mSharedLibraries) {
-                    if (!zipPaths.contains(lib)) {
-                        zipPaths.add(0, lib);
-                    }
-                }
-            }
-
-            if (instrumentationLibs != null) {
-                for (String lib : instrumentationLibs) {
-                    if (!zipPaths.contains(lib)) {
-                        zipPaths.add(0, lib);
-                    }
-                }
-            }
-
-            final String zip = mIncludeCode ? TextUtils.join(File.pathSeparator, zipPaths) : "";
-
-            // Add path to libraries in apk for current abi
-            if (mApplicationInfo.primaryCpuAbi != null) {
-                for (String apk : apkPaths) {
-                  libPaths.add(apk + "!/lib/" + mApplicationInfo.primaryCpuAbi);
-                }
-            }
-
+            makePaths(mActivityThread, mApplicationInfo, zipPaths, libPaths);
+            final String zip = TextUtils.join(File.pathSeparator, zipPaths);
+            final boolean isBundledApp = mApplicationInfo.isSystemApp()
+                    && !mApplicationInfo.isUpdatedSystemApp();
             String libraryPermittedPath = mDataDir;
-            boolean isBundledApp = false;
-
-            if (mApplicationInfo.isSystemApp() && !mApplicationInfo.isUpdatedSystemApp()) {
-                isBundledApp = true;
-                // Add path to system libraries to libPaths;
-                // Access to system libs should be limited
-                // to bundled applications; this is why updated
-                // system apps are not included.
-                libPaths.add(System.getProperty("java.library.path"));
-
+            if (isBundledApp) {
                 // This is necessary to grant bundled apps access to
                 // libraries located in subdirectories of /system/lib
                 libraryPermittedPath += File.pathSeparator +
@@ -414,15 +462,42 @@
                 Slog.v(ActivityThread.TAG, "Class path: " + zip +
                         ", JNI path: " + librarySearchPath);
 
-            // Temporarily disable logging of disk reads on the Looper thread
-            // as this is early and necessary.
-            StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
+            if (mClassLoader == null) {
+                // Temporarily disable logging of disk reads on the Looper thread
+                // as this is early and necessary.
+                StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();
 
-            mClassLoader = ApplicationLoaders.getDefault().getClassLoader(zip,
-                    mApplicationInfo.targetSdkVersion, isBundledApp, librarySearchPath,
-                    libraryPermittedPath, mBaseClassLoader);
+                classLoader = ApplicationLoaders.getDefault().getClassLoader(zip,
+                        mApplicationInfo.targetSdkVersion, isBundledApp, librarySearchPath,
+                        libraryPermittedPath, mBaseClassLoader);
 
-            StrictMode.setThreadPolicy(oldPolicy);
+                StrictMode.setThreadPolicy(oldPolicy);
+            } else if (addedPaths != null && addedPaths.size() > 0) {
+                final String add = TextUtils.join(File.pathSeparator, addedPaths);
+                ApplicationLoaders.getDefault().addPath(mClassLoader, add);
+                classLoader = mClassLoader;
+            } else {
+                classLoader = mClassLoader;
+            }
+        } else {
+            if (mClassLoader == null) {
+                if (mBaseClassLoader == null) {
+                    classLoader = ClassLoader.getSystemClassLoader();
+                } else {
+                    classLoader = mBaseClassLoader;
+                }
+            } else {
+                classLoader = mClassLoader;
+            }
+        }
+        return classLoader;
+    }
+
+    public ClassLoader getClassLoader() {
+        synchronized (this) {
+            if (mClassLoader == null) {
+                mClassLoader = createOrUpdateClassLoaderLocked(null /*addedPaths*/);
+            }
             return mClassLoader;
         }
     }
@@ -1103,7 +1178,6 @@
 
         private RuntimeException mUnbindLocation;
 
-        private boolean mDied;
         private boolean mForgotten;
 
         private static class ConnectionInfo {
@@ -1202,7 +1276,6 @@
             ServiceDispatcher.ConnectionInfo old;
 
             synchronized (this) {
-                mDied = true;
                 old = mActiveConnections.remove(name);
                 if (old == null || old.binder != service) {
                     // Death for someone different than who we last
@@ -1237,7 +1310,6 @@
 
                 if (service != null) {
                     // A new service is being connected... set it all up.
-                    mDied = false;
                     info = new ConnectionInfo();
                     info.binder = service;
                     info.deathMonitor = new DeathMonitor(name, service);
diff --git a/core/java/android/app/NotificationManager.java b/core/java/android/app/NotificationManager.java
index 057a4e9..16aee78 100644
--- a/core/java/android/app/NotificationManager.java
+++ b/core/java/android/app/NotificationManager.java
@@ -662,7 +662,7 @@
 
     /**
      * Notification policy configuration.  Represents user-preferences for notification
-     * filtering and prioritization.
+     * filtering.
      */
     public static class Policy implements android.os.Parcelable {
         /** Reminder notifications are prioritized. */
@@ -707,13 +707,13 @@
          */
         public static final int SUPPRESSED_EFFECTS_UNSET = -1;
         /**
-         * Whether notification suppressed by DND should not interruption visually when the screen
-         * is off.
+         * Whether notifications suppressed by DND should not interrupt visually (e.g. with
+         * notification lights or by turning the screen on) when the screen is off.
          */
         public static final int SUPPRESSED_EFFECT_SCREEN_OFF = 1 << 0;
         /**
-         * Whether notification suppressed by DND should not interruption visually when the screen
-         * is on.
+         * Whether notifications suppressed by DND should not interrupt visually when the screen
+         * is on (e.g. by peeking onto the screen).
          */
         public static final int SUPPRESSED_EFFECT_SCREEN_ON = 1 << 1;
 
@@ -728,13 +728,27 @@
          */
         public final int suppressedVisualEffects;
 
-
-        @Deprecated
+        /**
+         * Constructs a policy for Do Not Disturb priority mode behavior.
+         *
+         * @param priorityCategories bitmask of categories of notifications that can bypass DND.
+         * @param priorityCallSenders which callers can bypass DND.
+         * @param priorityMessageSenders which message senders can bypass DND.
+         */
         public Policy(int priorityCategories, int priorityCallSenders, int priorityMessageSenders) {
             this(priorityCategories, priorityCallSenders, priorityMessageSenders,
                     SUPPRESSED_EFFECTS_UNSET);
         }
 
+        /**
+         * Constructs a policy for Do Not Disturb priority mode behavior.
+         *
+         * @param priorityCategories bitmask of categories of notifications that can bypass DND.
+         * @param priorityCallSenders which callers can bypass DND.
+         * @param priorityMessageSenders which message senders can bypass DND.
+         * @param suppressedVisualEffects which visual interruptions should be suppressed from
+         *                                notifications that are filtered by DND.
+         */
         public Policy(int priorityCategories, int priorityCallSenders, int priorityMessageSenders,
                 int suppressedVisualEffects) {
             this.priorityCategories = priorityCategories;
@@ -865,7 +879,6 @@
                 return new Policy[size];
             }
         };
-
     }
 
     /**
diff --git a/core/java/android/app/ResourcesManager.java b/core/java/android/app/ResourcesManager.java
index 94e584e..bc44553d 100644
--- a/core/java/android/app/ResourcesManager.java
+++ b/core/java/android/app/ResourcesManager.java
@@ -23,6 +23,7 @@
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
+import android.content.res.ResourcesImpl;
 import android.content.res.ResourcesKey;
 import android.hardware.display.DisplayManagerGlobal;
 import android.util.ArrayMap;
@@ -250,7 +251,8 @@
         } else {
             config = getConfiguration();
         }
-        r = new Resources(assets, dm, config, compatInfo, classLoader);
+        r = new Resources(classLoader);
+        r.setImpl(new ResourcesImpl(assets, dm, config, compatInfo));
         if (DEBUG) Slog.i(TAG, "Created app resources " + resDir + " " + r + ": "
                 + r.getConfiguration() + " appScale=" + r.getCompatibilityInfo().applicationScale);
 
@@ -288,6 +290,19 @@
         }
     }
 
+    /**
+     * Removes the top level Resources for applications with the given compatibility info.
+     * @see #getTopLevelResources(String, String[], String[], String[], int, Configuration, CompatibilityInfo, ClassLoader)
+     */
+    void removeTopLevelResources(String resDir, int displayId, Configuration overrideConfiguration,
+            CompatibilityInfo compatInfo) {
+        final float scale = compatInfo.applicationScale;
+        final Configuration overrideConfigCopy = (overrideConfiguration != null)
+                ? new Configuration(overrideConfiguration) : null;
+        final ResourcesKey key = new ResourcesKey(resDir, displayId, overrideConfigCopy, scale);
+        mActiveResources.remove(key);
+    }
+
     /* package */ void setDefaultLocalesLocked(LocaleList locales) {
         final int bestLocale;
         if (mHasNonSystemLocales) {
diff --git a/core/java/android/app/admin/DevicePolicyManager.java b/core/java/android/app/admin/DevicePolicyManager.java
index a1ad590..c4037f8 100644
--- a/core/java/android/app/admin/DevicePolicyManager.java
+++ b/core/java/android/app/admin/DevicePolicyManager.java
@@ -344,6 +344,68 @@
             = "android.app.action.PROVISION_FINALIZATION";
 
     /**
+     * Action: Bugreport sharing with device owner has been accepted by the user.
+     *
+     * @hide
+     */
+    public static final String ACTION_BUGREPORT_SHARING_ACCEPTED =
+            "com.android.server.action.BUGREPORT_SHARING_ACCEPTED";
+
+    /**
+     * Action: Bugreport sharing with device owner has been declined by the user.
+     *
+     * @hide
+     */
+    public static final String ACTION_BUGREPORT_SHARING_DECLINED =
+            "com.android.server.action.BUGREPORT_SHARING_DECLINED";
+
+    /**
+     * Action: Bugreport has been collected and is dispatched to {@link DevicePolicyManagerService}.
+     *
+     * @hide
+     */
+    public static final String ACTION_REMOTE_BUGREPORT_DISPATCH =
+            "android.intent.action.REMOTE_BUGREPORT_DISPATCH";
+
+    /**
+     * Extra for shared bugreport's SHA-256 hash.
+     *
+     * @hide
+     */
+    public static final String EXTRA_REMOTE_BUGREPORT_HASH =
+            "android.intent.extra.REMOTE_BUGREPORT_HASH";
+
+    /**
+     * Extra for remote bugreport notification shown type.
+     *
+     * @hide
+     */
+    public static final String EXTRA_BUGREPORT_NOTIFICATION_TYPE =
+            "android.app.extra.bugreport_notification_type";
+
+    /**
+     * Notification type for a started remote bugreport flow.
+     *
+     * @hide
+     */
+    public static final int NOTIFICATION_BUGREPORT_STARTED = 1;
+
+    /**
+     * Notification type for a bugreport that has already been accepted to be shared, but is still
+     * being taken.
+     *
+     * @hide
+     */
+    public static final int NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED = 2;
+
+    /**
+     * Notification type for a bugreport that has been taken and can be shared or declined.
+     *
+     * @hide
+     */
+    public static final int NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED = 3;
+
+    /**
      * A {@link android.os.Parcelable} extra of type {@link android.os.PersistableBundle} that
      * allows a mobile device management application or NFC programmer application which starts
      * managed provisioning to pass data to the management application instance after provisioning.
diff --git a/core/java/android/app/admin/DevicePolicyManagerInternal.java b/core/java/android/app/admin/DevicePolicyManagerInternal.java
index 0a0d77d..8cdfee5 100644
--- a/core/java/android/app/admin/DevicePolicyManagerInternal.java
+++ b/core/java/android/app/admin/DevicePolicyManagerInternal.java
@@ -69,4 +69,13 @@
      * @return true if the uid is an active admin with the given policy.
      */
     public abstract boolean isActiveAdminWithPolicy(int uid, int reqPolicy);
+
+    /**
+     * Checks if a given package has a device or a profile owner for the given user
+     *
+     * @param packageName The package to check
+     * @param userId the userId to check for.
+     * @return true if package has a device or profile owner, false otherwise.
+     */
+    public abstract boolean hasDeviceOwnerOrProfileOwner(String packageName, int userId);
 }
diff --git a/core/java/android/content/pm/AppsQueryHelper.java b/core/java/android/content/pm/AppsQueryHelper.java
index e542589..4c01b27 100644
--- a/core/java/android/content/pm/AppsQueryHelper.java
+++ b/core/java/android/content/pm/AppsQueryHelper.java
@@ -171,7 +171,7 @@
             return mPackageManager.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES
                     | PackageManager.GET_DISABLED_COMPONENTS, userId).getList();
         } catch (RemoteException e) {
-            throw new IllegalStateException("Package manager has died", e);
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -181,9 +181,9 @@
             return mPackageManager.queryIntentActivities(intent, null,
                     PackageManager.GET_DISABLED_COMPONENTS
                             | PackageManager.GET_UNINSTALLED_PACKAGES,
-                    userId);
+                    userId).getList();
         } catch (RemoteException e) {
-            throw new IllegalStateException("Package manager has died", e);
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -192,9 +192,9 @@
         try {
             return mPackageManager.queryIntentServices(intent, null,
                     PackageManager.GET_META_DATA
-                            | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, userId);
+                            | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, userId).getList();
         } catch (RemoteException e) {
-            throw new IllegalStateException("Package manager has died", e);
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -205,8 +205,7 @@
             return mPackageManager.getPackagesHoldingPermissions(new String[]{perm}, 0,
                     userId).getList();
         } catch (RemoteException e) {
-            throw new IllegalStateException("Package manager has died", e);
+            throw e.rethrowFromSystemServer();
         }
     }
-
 }
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 9959f27..b4e9f60 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -71,11 +71,11 @@
 
     PermissionInfo getPermissionInfo(String name, int flags);
 
-    List<PermissionInfo> queryPermissionsByGroup(String group, int flags);
+    ParceledListSlice queryPermissionsByGroup(String group, int flags);
 
     PermissionGroupInfo getPermissionGroupInfo(String name, int flags);
 
-    List<PermissionGroupInfo> getAllPermissionGroups(int flags);
+    ParceledListSlice getAllPermissionGroups(int flags);
 
     ApplicationInfo getApplicationInfo(String packageName, int flags ,int userId);
 
@@ -138,24 +138,24 @@
 
     boolean canForwardTo(in Intent intent, String resolvedType, int sourceUserId, int targetUserId);
 
-    List<ResolveInfo> queryIntentActivities(in Intent intent,
+    ParceledListSlice queryIntentActivities(in Intent intent,
             String resolvedType, int flags, int userId);
 
-    List<ResolveInfo> queryIntentActivityOptions(
+    ParceledListSlice queryIntentActivityOptions(
             in ComponentName caller, in Intent[] specifics,
             in String[] specificTypes, in Intent intent,
             String resolvedType, int flags, int userId);
 
-    List<ResolveInfo> queryIntentReceivers(in Intent intent,
+    ParceledListSlice queryIntentReceivers(in Intent intent,
             String resolvedType, int flags, int userId);
 
     ResolveInfo resolveService(in Intent intent,
             String resolvedType, int flags, int userId);
 
-    List<ResolveInfo> queryIntentServices(in Intent intent,
+    ParceledListSlice queryIntentServices(in Intent intent,
             String resolvedType, int flags, int userId);
 
-    List<ResolveInfo> queryIntentContentProviders(in Intent intent,
+    ParceledListSlice queryIntentContentProviders(in Intent intent,
             String resolvedType, int flags, int userId);
 
     /**
@@ -189,7 +189,7 @@
      * @return A List&lt;applicationInfo> containing one entry for each persistent
      *         application.
      */
-    List<ApplicationInfo> getPersistentApplications(int flags);
+    ParceledListSlice getPersistentApplications(int flags);
 
     ProviderInfo resolveContentProvider(String name, int flags, int userId);
 
@@ -210,7 +210,7 @@
     InstrumentationInfo getInstrumentationInfo(
             in ComponentName className, int flags);
 
-    List<InstrumentationInfo> queryInstrumentation(
+    ParceledListSlice queryInstrumentation(
             String targetPackage, int flags);
 
     /** @deprecated Use PackageInstaller instead */
@@ -240,12 +240,6 @@
 
     String getInstallerPackageName(in String packageName);
 
-    void addPackageToPreferred(String packageName);
-
-    void removePackageFromPreferred(String packageName);
-
-    List<PackageInfo> getPreferredPackages(int flags);
-
     void resetApplicationPreferences(int userId);
 
     ResolveInfo getLastChosenActivity(in Intent intent,
@@ -406,7 +400,7 @@
      * Get a list of features that are available on the
      * system.
      */
-    FeatureInfo[] getSystemAvailableFeatures();
+    ParceledListSlice getSystemAvailableFeatures();
 
     boolean hasSystemFeature(String name, int version);
 
@@ -480,8 +474,8 @@
     void verifyIntentFilter(int id, int verificationCode, in List<String> failedDomains);
     int getIntentVerificationStatus(String packageName, int userId);
     boolean updateIntentVerificationStatus(String packageName, int status, int userId);
-    List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName);
-    List<IntentFilter> getAllIntentFilters(String packageName);
+    ParceledListSlice getIntentFilterVerifications(String packageName);
+    ParceledListSlice getAllIntentFilters(String packageName);
 
     boolean setDefaultBrowserPackageName(String packageName, int userId);
     String getDefaultBrowserPackageName(int userId);
@@ -530,4 +524,7 @@
     String getServicesSystemSharedLibraryPackageName();
 
     boolean isPackageDeviceAdminOnAnyUser(String packageName);
+
+    List<String> getPreviousCodePaths(in String packageName);
+
 }
diff --git a/core/java/android/content/pm/PackageInstaller.java b/core/java/android/content/pm/PackageInstaller.java
index 2cbb782..700a40d 100644
--- a/core/java/android/content/pm/PackageInstaller.java
+++ b/core/java/android/content/pm/PackageInstaller.java
@@ -1042,6 +1042,11 @@
         }
 
         /** {@hide} */
+        public void setInstallFlagsDontKillApp() {
+            installFlags |= PackageManager.INSTALL_DONT_KILL_APP;
+        }
+
+        /** {@hide} */
         public void dump(IndentingPrintWriter pw) {
             pw.printPair("mode", mode);
             pw.printHexPair("installFlags", installFlags);
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 27056a3..0dc856c 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -538,6 +538,7 @@
             INSTALL_FORCE_VOLUME_UUID,
             INSTALL_FORCE_PERMISSION_PROMPT,
             INSTALL_EPHEMERAL,
+            INSTALL_DONT_KILL_APP,
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface InstallFlags {}
@@ -640,6 +641,15 @@
     public static final int INSTALL_EPHEMERAL = 0x00000800;
 
     /**
+     * Flag parameter for {@link #installPackage} to indicate that this package contains
+     * a feature split to an existing application and the existing application should not
+     * be killed during the installation process.
+     *
+     * @hide
+     */
+    public static final int INSTALL_DONT_KILL_APP = 0x00001000;
+
+    /**
      * Flag parameter for
      * {@link #setComponentEnabledSetting(android.content.ComponentName, int, int)} to indicate
      * that you don't want to kill the app containing the component.  Be careful when you set this
@@ -1088,6 +1098,7 @@
             DELETE_KEEP_DATA,
             DELETE_ALL_USERS,
             DELETE_SYSTEM_APP,
+            DELETE_DONT_KILL_APP,
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface DeleteFlags {}
@@ -1120,6 +1131,15 @@
     public static final int DELETE_SYSTEM_APP = 0x00000004;
 
     /**
+     * Flag parameter for {@link #deletePackage} to indicate that, if you are calling
+     * uninstall on a package that is replaced to provide new feature splits, the
+     * existing application should not be killed during the removal process.
+     *
+     * @hide
+     */
+    public static final int DELETE_DONT_KILL_APP = 0x00000008;
+
+    /**
      * Return code for when package deletion succeeds. This is passed to the
      * {@link IPackageDeleteObserver} if the system succeeded in deleting the
      * package.
@@ -1292,6 +1312,7 @@
      *
      * @hide
      */
+    @SystemApi
     public static final int INTENT_FILTER_VERIFICATION_SUCCESS = 1;
 
     /**
@@ -1301,6 +1322,7 @@
      *
      * @hide
      */
+    @SystemApi
     public static final int INTENT_FILTER_VERIFICATION_FAILURE = -1;
 
     /**
@@ -4711,8 +4733,8 @@
 
     /**
      * Allows a package listening to the
-     * {@link Intent#ACTION_INTENT_FILTER_NEEDS_VERIFICATION intent filter verification
-     * broadcast} to respond to the package manager. The response must include
+     * {@link Intent#ACTION_INTENT_FILTER_NEEDS_VERIFICATION} intent filter verification
+     * broadcast to respond to the package manager. The response must include
      * the {@code verificationCode} which is one of
      * {@link PackageManager#INTENT_FILTER_VERIFICATION_SUCCESS} or
      * {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}.
@@ -4721,7 +4743,7 @@
      *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
      * @param verificationCode either {@link PackageManager#INTENT_FILTER_VERIFICATION_SUCCESS}
      *            or {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}.
-     * @param outFailedDomains a list of failed domains if the verificationCode is
+     * @param failedDomains a list of failed domains if the verificationCode is
      *            {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}, otherwise null;
      * @throws SecurityException if the caller does not have the
      *            INTENT_FILTER_VERIFICATION_AGENT permission.
@@ -4730,7 +4752,7 @@
      */
     @SystemApi
     public abstract void verifyIntentFilter(int verificationId, int verificationCode,
-            List<String> outFailedDomains);
+            List<String> failedDomains);
 
     /**
      * Get the status of a Domain Verification Result for an IntentFilter. This is
diff --git a/core/java/android/content/pm/PackageManagerInternal.java b/core/java/android/content/pm/PackageManagerInternal.java
index 7fe7f84..89f2fc4 100644
--- a/core/java/android/content/pm/PackageManagerInternal.java
+++ b/core/java/android/content/pm/PackageManagerInternal.java
@@ -16,6 +16,8 @@
 
 package android.content.pm;
 
+import android.content.pm.PackageManager.NameNotFoundException;
+
 import java.util.List;
 
 /**
@@ -125,4 +127,17 @@
      * @return True a permissions review is required.
      */
     public abstract boolean isPermissionsReviewRequired(String packageName, int userId);
+
+    /**
+     * Gets all of the information we know about a particular package.
+     *
+     * @param packageName The package name to find.
+     * @param userId The user under which to check.
+     *
+     * @return An {@link ApplicationInfo} containing information about the
+     *         package.
+     * @throws NameNotFoundException if a package with the given name cannot be
+     *             found on the system.
+     */
+    public abstract ApplicationInfo getApplicationInfo(String packageName, int userId);
 }
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index ce6ddfd..bc28ff1 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -121,6 +121,10 @@
 
     private static final int MAX_PACKAGES_PER_APK = 5;
 
+    public static final int APK_SIGNING_UNKNOWN = 0;
+    public static final int APK_SIGNING_V1 = 1;
+    public static final int APK_SIGNING_V2 = 2;
+
     // TODO: switch outError users to PackageParserException
     // TODO: refactor "codePath" to "apkPath"
 
@@ -1058,12 +1062,24 @@
         return pkg;
     }
 
+    public static int getApkSigningVersion(Package pkg) {
+        try {
+            if (ApkSignatureSchemeV2Verifier.hasSignature(pkg.baseCodePath)) {
+                return APK_SIGNING_V2;
+            }
+            return APK_SIGNING_V1;
+        } catch (IOException e) {
+        }
+        return APK_SIGNING_UNKNOWN;
+    }
+
     /**
      * Collect certificates from all the APKs described in the given package,
      * populating {@link Package#mSignatures}. Also asserts that all APK
      * contents are signed correctly and consistently.
      */
-    public static void collectCertificates(Package pkg, int parseFlags) throws PackageParserException {
+    public static void collectCertificates(Package pkg, int parseFlags)
+            throws PackageParserException {
         collectCertificatesInternal(pkg, parseFlags);
         final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0;
         for (int i = 0; i < childCount; i++) {
@@ -1074,7 +1090,8 @@
         }
     }
 
-    private static void collectCertificatesInternal(Package pkg, int parseFlags) throws PackageParserException {
+    private static void collectCertificatesInternal(Package pkg, int parseFlags)
+            throws PackageParserException {
         pkg.mCertificates = null;
         pkg.mSignatures = null;
         pkg.mSigningKeys = null;
@@ -4690,9 +4707,6 @@
         // preferred up order.
         public int mPreferredOrder = 0;
 
-        // For use by package manager to keep track of where it needs to do dexopt.
-        public final ArraySet<String> mDexOptPerformed = new ArraySet<>(4);
-
         // For use by package manager to keep track of when a package was last used.
         public long mLastPackageUsageTimeInMills;
 
diff --git a/core/java/android/content/res/ConfigurationBoundResourceCache.java b/core/java/android/content/res/ConfigurationBoundResourceCache.java
index fecda87..40d2a82 100644
--- a/core/java/android/content/res/ConfigurationBoundResourceCache.java
+++ b/core/java/android/content/res/ConfigurationBoundResourceCache.java
@@ -23,29 +23,19 @@
  * @hide For internal use only.
  */
 public class ConfigurationBoundResourceCache<T> extends ThemedResourceCache<ConstantState<T>> {
-    private final Resources mResources;
-
-    /**
-     * Creates a cache for the given Resources instance.
-     *
-     * @param resources the resources to use when creating new instances
-     */
-    public ConfigurationBoundResourceCache(Resources resources) {
-        mResources = resources;
-    }
-
     /**
      * If the resource is cached, creates and returns a new instance of it.
      *
      * @param key a key that uniquely identifies the drawable resource
+     * @param resources a Resources object from which to create new instances.
      * @param theme the theme where the resource will be used
      * @return a new instance of the resource, or {@code null} if not in
      *         the cache
      */
-    public T getInstance(long key, Resources.Theme theme) {
+    public T getInstance(long key, Resources resources, Resources.Theme theme) {
         final ConstantState<T> entry = get(key, theme);
         if (entry != null) {
-            return entry.newInstance(mResources, theme);
+            return entry.newInstance(resources, theme);
         }
 
         return null;
diff --git a/core/java/android/content/res/DrawableCache.java b/core/java/android/content/res/DrawableCache.java
index ba00134..7b27fac 100644
--- a/core/java/android/content/res/DrawableCache.java
+++ b/core/java/android/content/res/DrawableCache.java
@@ -22,29 +22,19 @@
  * Class which can be used to cache Drawable resources against a theme.
  */
 class DrawableCache extends ThemedResourceCache<Drawable.ConstantState> {
-    private final Resources mResources;
-
-    /**
-     * Creates a cache for the given Resources instance.
-     *
-     * @param resources the resources to use when creating new instances
-     */
-    public DrawableCache(Resources resources) {
-        mResources = resources;
-    }
-
     /**
      * If the resource is cached, creates and returns a new instance of it.
      *
      * @param key a key that uniquely identifies the drawable resource
+     * @param resources a Resources object from which to create new instances.
      * @param theme the theme where the resource will be used
      * @return a new instance of the resource, or {@code null} if not in
      *         the cache
      */
-    public Drawable getInstance(long key, Resources.Theme theme) {
+    public Drawable getInstance(long key, Resources resources, Resources.Theme theme) {
         final Drawable.ConstantState entry = get(key, theme);
         if (entry != null) {
-            return entry.newDrawable(mResources, theme);
+            return entry.newDrawable(resources, theme);
         }
 
         return null;
diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java
index a54f40f..f337fe6 100644
--- a/core/java/android/content/res/Resources.java
+++ b/core/java/android/content/res/Resources.java
@@ -40,23 +40,17 @@
 import android.annotation.XmlRes;
 import android.content.pm.ActivityInfo;
 import android.graphics.Movie;
-import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Drawable.ConstantState;
 import android.graphics.drawable.DrawableInflater;
-import android.icu.text.PluralRules;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Trace;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
-import android.util.LocaleList;
 import android.util.Log;
 import android.util.LongSparseArray;
 import android.util.Pools.SynchronizedPool;
-import android.util.Slog;
 import android.util.TypedValue;
-import android.util.Xml;
 import android.view.ViewDebug;
 import android.view.ViewHierarchyEncoder;
 
@@ -68,8 +62,6 @@
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.Arrays;
-import java.util.Locale;
 
 /**
  * Class for accessing an application's resources.  This sits on top of the
@@ -99,51 +91,15 @@
 public class Resources {
     static final String TAG = "Resources";
 
-    private static final boolean DEBUG_LOAD = false;
-    private static final boolean DEBUG_CONFIG = false;
-    private static final boolean TRACE_FOR_PRELOAD = false;
-    private static final boolean TRACE_FOR_MISS_PRELOAD = false;
-
-    private static final int LAYOUT_DIR_CONFIG = ActivityInfo.activityInfoConfigToNative(
-            ActivityInfo.CONFIG_LAYOUT_DIRECTION);
-
-    private static final int ID_OTHER = 0x01000004;
-
     private static final Object sSync = new Object();
 
-    // Information about preloaded resources.  Note that they are not
-    // protected by a lock, because while preloading in zygote we are all
-    // single-threaded, and after that these are immutable.
-    private static final LongSparseArray<ConstantState>[] sPreloadedDrawables;
-    private static final LongSparseArray<ConstantState> sPreloadedColorDrawables
-            = new LongSparseArray<>();
-    private static final LongSparseArray<android.content.res.ConstantState<ComplexColor>>
-            sPreloadedComplexColors = new LongSparseArray<>();
-
-    /** Size of the cyclical cache used to map XML files to blocks. */
-    private static final int XML_BLOCK_CACHE_SIZE = 4;
-
-    // Pool of TypedArrays targeted to this Resources object.
-    final SynchronizedPool<TypedArray> mTypedArrayPool = new SynchronizedPool<>(5);
-
     // Used by BridgeResources in layoutlib
     static Resources mSystem = null;
 
-    private static boolean sPreloaded;
+    private ResourcesImpl mResourcesImpl;
 
-    /** Lock object used to protect access to caches and configuration. */
-    private final Object mAccessLock = new Object();
-
-    // These are protected by mAccessLock.
-    private final Configuration mTmpConfig = new Configuration();
-    private final DrawableCache mDrawableCache = new DrawableCache(this);
-    private final DrawableCache mColorDrawableCache = new DrawableCache(this);
-    private final ConfigurationBoundResourceCache<ComplexColor> mComplexColorCache =
-            new ConfigurationBoundResourceCache<>(this);
-    private final ConfigurationBoundResourceCache<Animator> mAnimatorCache =
-            new ConfigurationBoundResourceCache<>(this);
-    private final ConfigurationBoundResourceCache<StateListAnimator> mStateListAnimatorCache =
-            new ConfigurationBoundResourceCache<>(this);
+    // Pool of TypedArrays targeted to this Resources object.
+    final SynchronizedPool<TypedArray> mTypedArrayPool = new SynchronizedPool<>(5);
 
     /** Used to inflate drawable objects from XML. */
     private DrawableInflater mDrawableInflater;
@@ -154,29 +110,7 @@
     /** Single-item pool used to minimize TypedValue allocations. */
     private TypedValue mTmpValue = new TypedValue();
 
-    private boolean mPreloading;
-
-    // Cyclical cache used for recently-accessed XML files.
-    private int mLastCachedXmlBlockIndex = -1;
-    private final int[] mCachedXmlBlockCookies = new int[XML_BLOCK_CACHE_SIZE];
-    private final String[] mCachedXmlBlockFiles = new String[XML_BLOCK_CACHE_SIZE];
-    private final XmlBlock[] mCachedXmlBlocks = new XmlBlock[XML_BLOCK_CACHE_SIZE];
-
-    final AssetManager mAssets;
     final ClassLoader mClassLoader;
-    final DisplayMetrics mMetrics = new DisplayMetrics();
-
-    private final Configuration mConfiguration = new Configuration();
-
-    private PluralRules mPluralRule;
-
-    private CompatibilityInfo mCompatibilityInfo = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
-
-    static {
-        sPreloadedDrawables = new LongSparseArray[2];
-        sPreloadedDrawables[0] = new LongSparseArray<>();
-        sPreloadedDrawables[1] = new LongSparseArray<>();
-    }
 
     /**
      * Returns the most appropriate default theme for the specified target SDK version.
@@ -219,32 +153,20 @@
     }
 
     /**
-     * @return the inflater used to create drawable objects
-     * @hide Pending API finalization.
+     * Return a global shared Resources object that provides access to only
+     * system resources (no application resources), and is not configured for
+     * the current screen (can not use dimension units, does not change based
+     * on orientation, etc).
      */
-    public final DrawableInflater getDrawableInflater() {
-        if (mDrawableInflater == null) {
-            mDrawableInflater = new DrawableInflater(this, mClassLoader);
+    public static Resources getSystem() {
+        synchronized (sSync) {
+            Resources ret = mSystem;
+            if (ret == null) {
+                ret = new Resources();
+                mSystem = ret;
+            }
+            return ret;
         }
-        return mDrawableInflater;
-    }
-
-    /**
-     * Used by AnimatorInflater.
-     *
-     * @hide
-     */
-    public ConfigurationBoundResourceCache<Animator> getAnimatorCache() {
-        return mAnimatorCache;
-    }
-
-    /**
-     * Used by AnimatorInflater.
-     *
-     * @hide
-     */
-    public ConfigurationBoundResourceCache<StateListAnimator> getStateListAnimatorCache() {
-        return mStateListAnimatorCache;
     }
 
     /**
@@ -275,51 +197,73 @@
      *               selecting/computing resource values (optional).
      */
     public Resources(AssetManager assets, DisplayMetrics metrics, Configuration config) {
-        this(assets, metrics, config, CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null);
+        this(null);
+        mResourcesImpl = new ResourcesImpl(assets, metrics, config,
+                CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO);
     }
 
     /**
      * Creates a new Resources object with CompatibilityInfo.
      *
-     * @param assets Previously created AssetManager.
-     * @param metrics Current display metrics to consider when
-     *                selecting/computing resource values.
-     * @param config Desired device configuration to consider when
-     *               selecting/computing resource values (optional).
-     * @param compatInfo this resource's compatibility info. Must not be null.
      * @param classLoader class loader for the package used to load custom
      *                    resource classes, may be {@code null} to use system
      *                    class loader
      * @hide
      */
-    public Resources(AssetManager assets, DisplayMetrics metrics, Configuration config,
-            CompatibilityInfo compatInfo, @Nullable ClassLoader classLoader) {
-        mAssets = assets;
+    public Resources(@Nullable ClassLoader classLoader) {
         mClassLoader = classLoader == null ? ClassLoader.getSystemClassLoader() : classLoader;
-        mMetrics.setToDefaults();
-        if (compatInfo != null) {
-            mCompatibilityInfo = compatInfo;
-        }
-        updateConfiguration(config, metrics);
-        assets.ensureStringBlocks();
     }
 
     /**
-     * Return a global shared Resources object that provides access to only
-     * system resources (no application resources), and is not configured for
-     * the current screen (can not use dimension units, does not change based
-     * on orientation, etc).
+     * Only for creating the System resources.
      */
-    public static Resources getSystem() {
-        synchronized (sSync) {
-            Resources ret = mSystem;
-            if (ret == null) {
-                ret = new Resources();
-                mSystem = ret;
-            }
+    private Resources() {
+        this(null);
 
-            return ret;
+        final DisplayMetrics metrics = new DisplayMetrics();
+        metrics.setToDefaults();
+
+        final Configuration config = new Configuration();
+        config.setToDefaults();
+
+        mResourcesImpl = new ResourcesImpl(AssetManager.getSystem(), metrics, config,
+                CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO);
+    }
+
+    /**
+     * @hide
+     */
+    public void setImpl(ResourcesImpl impl) {
+        mResourcesImpl = impl;
+    }
+
+    /**
+     * @return the inflater used to create drawable objects
+     * @hide Pending API finalization.
+     */
+    public final DrawableInflater getDrawableInflater() {
+        if (mDrawableInflater == null) {
+            mDrawableInflater = new DrawableInflater(this, mClassLoader);
         }
+        return mDrawableInflater;
+    }
+
+    /**
+     * Used by AnimatorInflater.
+     *
+     * @hide
+     */
+    public ConfigurationBoundResourceCache<Animator> getAnimatorCache() {
+        return mResourcesImpl.getAnimatorCache();
+    }
+
+    /**
+     * Used by AnimatorInflater.
+     *
+     * @hide
+     */
+    public ConfigurationBoundResourceCache<StateListAnimator> getStateListAnimatorCache() {
+        return mResourcesImpl.getStateListAnimatorCache();
     }
 
     /**
@@ -337,8 +281,8 @@
      * @return CharSequence The string data associated with the resource, plus
      *         possibly styled text information.
      */
-    public CharSequence getText(@StringRes int id) throws NotFoundException {
-        CharSequence res = mAssets.getResourceText(id);
+    @NonNull public CharSequence getText(@StringRes int id) throws NotFoundException {
+        CharSequence res = mResourcesImpl.getAssets().getResourceText(id);
         if (res != null) {
             return res;
         }
@@ -366,41 +310,10 @@
      * @return CharSequence The string data associated with the resource, plus
      *         possibly styled text information.
      */
+    @NonNull
     public CharSequence getQuantityText(@PluralsRes int id, int quantity)
             throws NotFoundException {
-        PluralRules rule = getPluralRule();
-        CharSequence res = mAssets.getResourceBagText(id,
-                attrForQuantityCode(rule.select(quantity)));
-        if (res != null) {
-            return res;
-        }
-        res = mAssets.getResourceBagText(id, ID_OTHER);
-        if (res != null) {
-            return res;
-        }
-        throw new NotFoundException("Plural resource ID #0x" + Integer.toHexString(id)
-                + " quantity=" + quantity
-                + " item=" + rule.select(quantity));
-    }
-
-    private PluralRules getPluralRule() {
-        synchronized (sSync) {
-            if (mPluralRule == null) {
-                mPluralRule = PluralRules.forLocale(mConfiguration.getLocales().get(0));
-            }
-            return mPluralRule;
-        }
-    }
-
-    private static int attrForQuantityCode(String quantityCode) {
-        switch (quantityCode) {
-            case PluralRules.KEYWORD_ZERO: return 0x01000005;
-            case PluralRules.KEYWORD_ONE:  return 0x01000006;
-            case PluralRules.KEYWORD_TWO:  return 0x01000007;
-            case PluralRules.KEYWORD_FEW:  return 0x01000008;
-            case PluralRules.KEYWORD_MANY: return 0x01000009;
-            default:                     return ID_OTHER;
-        }
+        return mResourcesImpl.getQuantityText(id, quantity);
     }
 
     /**
@@ -419,12 +332,7 @@
      */
     @NonNull
     public String getString(@StringRes int id) throws NotFoundException {
-        final CharSequence res = getText(id);
-        if (res != null) {
-            return res.toString();
-        }
-        throw new NotFoundException("String resource ID #0x"
-                                    + Integer.toHexString(id));
+        return getText(id).toString();
     }
 
 
@@ -449,7 +357,8 @@
     @NonNull
     public String getString(@StringRes int id, Object... formatArgs) throws NotFoundException {
         final String raw = getString(id);
-        return String.format(mConfiguration.getLocales().get(0), raw, formatArgs);
+        return String.format(mResourcesImpl.getConfiguration().getLocales().get(0), raw,
+                formatArgs);
     }
 
     /**
@@ -477,10 +386,12 @@
      * @return String The string data associated with the resource,
      * stripped of styled text information.
      */
+    @NonNull
     public String getQuantityString(@PluralsRes int id, int quantity, Object... formatArgs)
             throws NotFoundException {
         String raw = getQuantityText(id, quantity).toString();
-        return String.format(mConfiguration.getLocales().get(0), raw, formatArgs);
+        return String.format(mResourcesImpl.getConfiguration().getLocales().get(0), raw,
+                formatArgs);
     }
 
     /**
@@ -503,8 +414,8 @@
      * @return String The string data associated with the resource,
      * stripped of styled text information.
      */
-    public String getQuantityString(@PluralsRes int id, int quantity)
-            throws NotFoundException {
+    @NonNull
+    public String getQuantityString(@PluralsRes int id, int quantity) throws NotFoundException {
         return getQuantityText(id, quantity).toString();
     }
 
@@ -523,7 +434,7 @@
      *         possibly styled text information, or def if id is 0 or not found.
      */
     public CharSequence getText(@StringRes int id, CharSequence def) {
-        CharSequence res = id != 0 ? mAssets.getResourceText(id) : null;
+        CharSequence res = id != 0 ? mResourcesImpl.getAssets().getResourceText(id) : null;
         return res != null ? res : def;
     }
 
@@ -538,13 +449,13 @@
      *
      * @return The styled text array associated with the resource.
      */
+    @NonNull
     public CharSequence[] getTextArray(@ArrayRes int id) throws NotFoundException {
-        CharSequence[] res = mAssets.getResourceTextArray(id);
+        CharSequence[] res = mResourcesImpl.getAssets().getResourceTextArray(id);
         if (res != null) {
             return res;
         }
-        throw new NotFoundException("Text array resource ID #0x"
-                                    + Integer.toHexString(id));
+        throw new NotFoundException("Text array resource ID #0x" + Integer.toHexString(id));
     }
 
     /**
@@ -558,14 +469,14 @@
      *
      * @return The string array associated with the resource.
      */
+    @NonNull
     public String[] getStringArray(@ArrayRes int id)
             throws NotFoundException {
-        String[] res = mAssets.getResourceStringArray(id);
+        String[] res = mResourcesImpl.getAssets().getResourceStringArray(id);
         if (res != null) {
             return res;
         }
-        throw new NotFoundException("String array resource ID #0x"
-                                    + Integer.toHexString(id));
+        throw new NotFoundException("String array resource ID #0x" + Integer.toHexString(id));
     }
 
     /**
@@ -579,13 +490,13 @@
      *
      * @return The int array associated with the resource.
      */
+    @NonNull
     public int[] getIntArray(@ArrayRes int id) throws NotFoundException {
-        int[] res = mAssets.getArrayIntResource(id);
+        int[] res = mResourcesImpl.getAssets().getArrayIntResource(id);
         if (res != null) {
             return res;
         }
-        throw new NotFoundException("Int array resource ID #0x"
-                                    + Integer.toHexString(id));
+        throw new NotFoundException("Int array resource ID #0x" + Integer.toHexString(id));
     }
 
     /**
@@ -601,16 +512,16 @@
      * Be sure to call {@link TypedArray#recycle() TypedArray.recycle()}
      * when done with it.
      */
-    public TypedArray obtainTypedArray(@ArrayRes int id)
-            throws NotFoundException {
-        int len = mAssets.getArraySize(id);
+    @NonNull
+    public TypedArray obtainTypedArray(@ArrayRes int id) throws NotFoundException {
+        final ResourcesImpl impl = mResourcesImpl;
+        int len = impl.getAssets().getArraySize(id);
         if (len < 0) {
-            throw new NotFoundException("Array resource ID #0x"
-                                        + Integer.toHexString(id));
+            throw new NotFoundException("Array resource ID #0x" + Integer.toHexString(id));
         }
         
         TypedArray array = TypedArray.obtain(this, len);
-        array.mLength = mAssets.retrieveArray(id, array.mData);
+        array.mLength = impl.getAssets().retrieveArray(id, array.mData);
         array.mIndices[0] = 0;
         
         return array;
@@ -634,10 +545,12 @@
      * @see #getDimensionPixelSize
      */
     public float getDimension(@DimenRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_DIMENSION) {
-                return TypedValue.complexToDimension(value.data, mMetrics);
+                return TypedValue.complexToDimension(value.data, impl.getDisplayMetrics());
             }
             throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id)
                     + " type #0x" + Integer.toHexString(value.type) + " is not valid");
@@ -666,10 +579,13 @@
      * @see #getDimensionPixelSize
      */
     public int getDimensionPixelOffset(@DimenRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_DIMENSION) {
-                return TypedValue.complexToDimensionPixelOffset(value.data, mMetrics);
+                return TypedValue.complexToDimensionPixelOffset(value.data,
+                        impl.getDisplayMetrics());
             }
             throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id)
                     + " type #0x" + Integer.toHexString(value.type) + " is not valid");
@@ -699,10 +615,12 @@
      * @see #getDimensionPixelOffset
      */
     public int getDimensionPixelSize(@DimenRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_DIMENSION) {
-                return TypedValue.complexToDimensionPixelSize(value.data, mMetrics);
+                return TypedValue.complexToDimensionPixelSize(value.data, impl.getDisplayMetrics());
             }
             throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id)
                     + " type #0x" + Integer.toHexString(value.type) + " is not valid");
@@ -729,8 +647,9 @@
      * @throws NotFoundException Throws NotFoundException if the given ID does not exist.
      */
     public float getFraction(@FractionRes int id, int base, int pbase) {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            mResourcesImpl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_FRACTION) {
                 return TypedValue.complexToFraction(value.data, base, pbase);
             }
@@ -800,9 +719,11 @@
      */
     public Drawable getDrawable(@DrawableRes int id, @Nullable Theme theme)
             throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
-            return loadDrawable(value, id, theme);
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
+            return impl.loadDrawable(this, value, id, theme, true);
         } finally {
             releaseTempTypedValue(value);
         }
@@ -855,14 +776,16 @@
      *             not exist.
      */
     public Drawable getDrawableForDensity(@DrawableRes int id, int density, @Nullable Theme theme) {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
-            getValueForDensity(id, density, value, true);
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValueForDensity(id, density, value, true);
 
             // If the drawable's XML lives in our current density qualifier,
             // it's okay to use a scaled version from the cache. Otherwise, we
             // need to actually load the drawable from XML.
-            final boolean useCache = value.density == mMetrics.densityDpi;
+            final DisplayMetrics metrics = impl.getDisplayMetrics();
+            final boolean useCache = value.density == metrics.densityDpi;
 
             /*
              * Pretend the requested density is actually the display density. If
@@ -873,18 +796,23 @@
              */
             if (value.density > 0 && value.density != TypedValue.DENSITY_NONE) {
                 if (value.density == density) {
-                    value.density = mMetrics.densityDpi;
+                    value.density = metrics.densityDpi;
                 } else {
-                    value.density = (value.density * mMetrics.densityDpi) / density;
+                    value.density = (value.density * metrics.densityDpi) / density;
                 }
             }
-
-            return loadDrawable(value, id, theme, useCache);
+            return impl.loadDrawable(this, value, id, theme, useCache);
         } finally {
             releaseTempTypedValue(value);
         }
     }
 
+    @NonNull
+    Drawable loadDrawable(@NonNull TypedValue value, int id, @Nullable Theme theme)
+            throws NotFoundException {
+        return mResourcesImpl.loadDrawable(this, value, id, theme, true);
+    }
+
     /**
      * Return a movie object associated with the particular resource ID.
      * @param id The desired resource identifier, as generated by the aapt
@@ -894,13 +822,12 @@
      * 
      */
     public Movie getMovie(@RawRes int id) throws NotFoundException {
-        InputStream is = openRawResource(id);
-        Movie movie = Movie.decodeStream(is);
+        final InputStream is = openRawResource(id);
+        final Movie movie = Movie.decodeStream(is);
         try {
             is.close();
-        }
-        catch (java.io.IOException e) {
-            // don't care, since the return value is valid
+        } catch (IOException e) {
+            // No one cares.
         }
         return movie;
     }
@@ -944,8 +871,10 @@
      */
     @ColorInt
     public int getColor(@ColorRes int id, @Nullable Theme theme) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type >= TypedValue.TYPE_FIRST_INT
                     && value.type <= TypedValue.TYPE_LAST_INT) {
                 return value.data;
@@ -954,7 +883,7 @@
                         + " type #0x" + Integer.toHexString(value.type) + " is not valid");
             }
 
-            final ColorStateList csl = loadColorStateList(value, id, theme);
+            final ColorStateList csl = impl.loadColorStateList(this, value, id, theme);
             return csl.getDefaultColor();
         } finally {
             releaseTempTypedValue(value);
@@ -1012,14 +941,27 @@
     @Nullable
     public ColorStateList getColorStateList(@ColorRes int id, @Nullable Theme theme)
             throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
-            return loadColorStateList(value, id, theme);
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
+            return impl.loadColorStateList(this, value, id, theme);
         } finally {
             releaseTempTypedValue(value);
         }
     }
 
+    @Nullable
+    ColorStateList loadColorStateList(@NonNull TypedValue value, int id, @Nullable Theme theme)
+            throws NotFoundException {
+        return mResourcesImpl.loadColorStateList(this, value, id, theme);
+    }
+
+    @Nullable
+    public ComplexColor loadComplexColor(@NonNull TypedValue value, int id, @Nullable Theme theme) {
+        return mResourcesImpl.loadComplexColor(this, value, id, theme);
+    }
+
     /**
      * Return a boolean associated with a particular resource ID.  This can be
      * used with any integral resource value, and will return true if it is
@@ -1034,8 +976,9 @@
      * @return Returns the boolean value contained in the resource.
      */
     public boolean getBoolean(@BoolRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            mResourcesImpl.getValue(id, value, true);
             if (value.type >= TypedValue.TYPE_FIRST_INT
                     && value.type <= TypedValue.TYPE_LAST_INT) {
                 return value.data != 0;
@@ -1059,8 +1002,9 @@
      * @return Returns the integer value contained in the resource.
      */
     public int getInteger(@IntegerRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            mResourcesImpl.getValue(id, value, true);
             if (value.type >= TypedValue.TYPE_FIRST_INT
                     && value.type <= TypedValue.TYPE_LAST_INT) {
                 return value.data;
@@ -1086,8 +1030,9 @@
      * @hide Pending API council approval.
      */
     public float getFloat(int id) {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            mResourcesImpl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_FLOAT) {
                 return value.getFloat();
             }
@@ -1195,20 +1140,6 @@
     }
 
     /**
-     * Returns a TypedValue populated with data for the specified resource ID
-     * that's suitable for temporary use. The obtained TypedValue should be
-     * released using {@link #releaseTempTypedValue(TypedValue)}.
-     *
-     * @param id the resource ID for which data should be obtained
-     * @return a populated typed value suitable for temporary use
-     */
-    private TypedValue obtainTempTypedValue(@AnyRes int id) {
-        final TypedValue value = obtainTempTypedValue();
-        getValue(id, value, true);
-        return value;
-    }
-
-    /**
      * Returns a TypedValue suitable for temporary use. The obtained TypedValue
      * should be released using {@link #releaseTempTypedValue(TypedValue)}.
      *
@@ -1257,17 +1188,7 @@
      */
     public InputStream openRawResource(@RawRes int id, TypedValue value)
             throws NotFoundException {
-        getValue(id, value, true);
-
-        try {
-            return mAssets.openNonAsset(value.assetCookie, value.string.toString(),
-                    AssetManager.ACCESS_STREAMING);
-        } catch (Exception e) {
-            NotFoundException rnf = new NotFoundException("File " + value.string.toString() +
-                    " from drawable resource ID #0x" + Integer.toHexString(id));
-            rnf.initCause(e);
-            throw rnf;
-        }
+        return mResourcesImpl.openRawResource(id, value);
     }
 
     /**
@@ -1293,12 +1214,9 @@
      */
     public AssetFileDescriptor openRawResourceFd(@RawRes int id)
             throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
-            return mAssets.openNonAssetFd(value.assetCookie, value.string.toString());
-        } catch (Exception e) {
-            throw new NotFoundException("File " + value.string.toString() + " from drawable "
-                    + "resource ID #0x" + Integer.toHexString(id), e);
+            return mResourcesImpl.openRawResourceFd(id, value);
         } finally {
             releaseTempTypedValue(value);
         }
@@ -1321,12 +1239,7 @@
      */
     public void getValue(@AnyRes int id, TypedValue outValue, boolean resolveRefs)
             throws NotFoundException {
-        boolean found = mAssets.getResourceValue(id, 0, outValue, resolveRefs);
-        if (found) {
-            return;
-        }
-        throw new NotFoundException("Resource ID #0x"
-                                    + Integer.toHexString(id));
+        mResourcesImpl.getValue(id, outValue, resolveRefs);
     }
 
     /**
@@ -1344,11 +1257,7 @@
      */
     public void getValueForDensity(@AnyRes int id, int density, TypedValue outValue,
             boolean resolveRefs) throws NotFoundException {
-        boolean found = mAssets.getResourceValue(id, density, outValue, resolveRefs);
-        if (found) {
-            return;
-        }
-        throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id));
+        mResourcesImpl.getValueForDensity(id, density, outValue, resolveRefs);
     }
 
     /**
@@ -1373,12 +1282,7 @@
      */
     public void getValue(String name, TypedValue outValue, boolean resolveRefs)
             throws NotFoundException {
-        int id = getIdentifier(name, "string", null);
-        if (id != 0) {
-            getValue(id, outValue, resolveRefs);
-            return;
-        }
-        throw new NotFoundException("String resource name " + name);
+        mResourcesImpl.getValue(name, outValue, resolveRefs);
     }
 
     /**
@@ -1397,6 +1301,15 @@
      * retrieve XML attributes with style and theme information applied.
      */
     public final class Theme {
+        private ResourcesImpl.ThemeImpl mThemeImpl;
+
+        private Theme() {
+        }
+
+        void setImpl(ResourcesImpl.ThemeImpl impl) {
+            mThemeImpl = impl;
+        }
+
         /**
          * Place new attribute values into the theme.  The style resource
          * specified by <var>resid</var> will be retrieved from this Theme's
@@ -1415,12 +1328,7 @@
          *              if not already defined in the theme.
          */
         public void applyStyle(int resId, boolean force) {
-            synchronized (mKey) {
-                AssetManager.applyThemeStyle(mTheme, resId, force);
-
-                mThemeResId = resId;
-                mKey.append(resId, force);
-            }
+            mThemeImpl.applyStyle(resId, force);
         }
 
         /**
@@ -1433,14 +1341,7 @@
          * @param other The existing Theme to copy from.
          */
         public void setTo(Theme other) {
-            synchronized (mKey) {
-                synchronized (other.mKey) {
-                    AssetManager.copyTheme(mTheme, other.mTheme);
-
-                    mThemeResId = other.mThemeResId;
-                    mKey.setTo(other.getKey());
-                }
-            }
+            mThemeImpl.setTo(other.mThemeImpl);
         }
 
         /**
@@ -1463,13 +1364,7 @@
          * @see #obtainStyledAttributes(AttributeSet, int[], int, int)
          */
         public TypedArray obtainStyledAttributes(@StyleableRes int[] attrs) {
-            synchronized (mKey) {
-                final int len = attrs.length;
-                final TypedArray array = TypedArray.obtain(Resources.this, len);
-                array.mTheme = this;
-                AssetManager.applyStyle(mTheme, 0, 0, 0, attrs, array.mData, array.mIndices);
-                return array;
-            }
+            return mThemeImpl.obtainStyledAttributes(this, null, attrs, 0, 0);
         }
 
         /**
@@ -1494,13 +1389,7 @@
          */
         public TypedArray obtainStyledAttributes(@StyleRes int resId, @StyleableRes int[] attrs)
                 throws NotFoundException {
-            synchronized (mKey) {
-                final int len = attrs.length;
-                final TypedArray array = TypedArray.obtain(Resources.this, len);
-                array.mTheme = this;
-                AssetManager.applyStyle(mTheme, 0, resId, 0, attrs, array.mData, array.mIndices);
-                return array;
-            }
+            return mThemeImpl.obtainStyledAttributes(this, null, attrs, 0, resId);
         }
 
         /**
@@ -1553,23 +1442,7 @@
          */
         public TypedArray obtainStyledAttributes(AttributeSet set,
                 @StyleableRes int[] attrs, @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
-            synchronized (mKey) {
-                final int len = attrs.length;
-                final TypedArray array = TypedArray.obtain(Resources.this, len);
-
-                // XXX note that for now we only work with compiled XML files.
-                // To support generic XML files we will need to manually parse
-                // out the attributes from the XML file (applying type information
-                // contained in the resources and such).
-                final XmlBlock.Parser parser = (XmlBlock.Parser) set;
-                AssetManager.applyStyle(mTheme, defStyleAttr, defStyleRes,
-                        parser != null ? parser.mParseState : 0,
-                        attrs, array.mData, array.mIndices);
-                array.mTheme = this;
-                array.mXml = parser;
-
-                return array;
-            }
+            return mThemeImpl.obtainStyledAttributes(this, set, attrs, defStyleAttr, defStyleRes);
         }
 
         /**
@@ -1588,20 +1461,7 @@
          */
         @NonNull
         public TypedArray resolveAttributes(@NonNull int[] values, @NonNull int[] attrs) {
-            synchronized (mKey) {
-                final int len = attrs.length;
-                if (values == null || len != values.length) {
-                    throw new IllegalArgumentException(
-                            "Base attribute values must the same length as attrs");
-                }
-
-                final TypedArray array = TypedArray.obtain(Resources.this, len);
-                AssetManager.resolveAttrs(mTheme, 0, 0, values, attrs, array.mData, array.mIndices);
-                array.mTheme = this;
-                array.mXml = null;
-
-                return array;
-            }
+            return mThemeImpl.resolveAttributes(this, values, attrs);
         }
 
         /**
@@ -1622,9 +1482,7 @@
          *         <var>outValue</var> is valid, else false.
          */
         public boolean resolveAttribute(int resid, TypedValue outValue, boolean resolveRefs) {
-            synchronized (mKey) {
-                return mAssets.getThemeValue(mTheme, resid, outValue, resolveRefs);
-            }
+            return mThemeImpl.resolveAttribute(resid, outValue, resolveRefs);
         }
 
         /**
@@ -1634,7 +1492,7 @@
          * @hide
          */
         public int[] getAllAttributes() {
-            return mAssets.getStyleAttributes(getAppliedStyleResId());
+            return mThemeImpl.getAllAttributes();
         }
 
         /**
@@ -1670,11 +1528,7 @@
          * @see ActivityInfo
          */
         public int getChangingConfigurations() {
-            synchronized (mKey) {
-                final int nativeChangingConfig =
-                        AssetManager.getThemeChangingConfigurations(mTheme);
-                return ActivityInfo.activityInfoConfigNativeToJava(nativeChangingConfig);
-            }
+            return mThemeImpl.getChangingConfigurations();
         }
 
         /**
@@ -1685,43 +1539,23 @@
          * @param prefix Text to prefix each line printed.
          */
         public void dump(int priority, String tag, String prefix) {
-            synchronized (mKey) {
-                AssetManager.dumpTheme(mTheme, priority, tag, prefix);
-            }
+            mThemeImpl.dump(priority, tag, prefix);
         }
 
-        @Override
-        protected void finalize() throws Throwable {
-            super.finalize();
-            mAssets.releaseTheme(mTheme);
-        }
-
-        /*package*/ Theme() {
-            mAssets = Resources.this.mAssets;
-            mTheme = mAssets.createTheme();
-        }
-
-        /** Unique key for the series of styles applied to this theme. */
-        private final ThemeKey mKey = new ThemeKey();
-
-        @SuppressWarnings("hiding")
-        private final AssetManager mAssets;
-        private final long mTheme;
-
-        /** Resource identifier for the theme. */
-        private int mThemeResId = 0;
-
         // Needed by layoutlib.
         /*package*/ long getNativeTheme() {
-            return mTheme;
+            return mThemeImpl.getNativeTheme();
         }
 
         /*package*/ int getAppliedStyleResId() {
-            return mThemeResId;
+            return mThemeImpl.getAppliedStyleResId();
         }
 
-        /*package*/ ThemeKey getKey() {
-            return mKey;
+        /**
+         * @hide
+         */
+        public ThemeKey getKey() {
+            return mThemeImpl.getKey();
         }
 
         private String getResourceNameFromHexString(String hexString) {
@@ -1729,7 +1563,7 @@
         }
 
         /**
-         * Parses {@link #mKey} and returns a String array that holds pairs of
+         * Parses {@link #getKey()} and returns a String array that holds pairs of
          * adjacent Theme data: resource name followed by whether or not it was
          * forced, as specified by {@link #applyStyle(int, boolean)}.
          *
@@ -1737,21 +1571,7 @@
          */
         @ViewDebug.ExportedProperty(category = "theme", hasAdjacentMapping = true)
         public String[] getTheme() {
-            synchronized (mKey) {
-                final int N = mKey.mCount;
-                final String[] themes = new String[N * 2];
-                for (int i = 0, j = N - 1; i < themes.length; i += 2, --j) {
-                    final int resId = mKey.mResId[j];
-                    final boolean forced = mKey.mForce[j];
-                    try {
-                        themes[i] = getResourceName(resId);
-                    } catch (NotFoundException e) {
-                        themes[i] = Integer.toHexString(i);
-                    }
-                    themes[i + 1] = forced ? "forced" : "not forced";
-                }
-                return themes;
-            }
+            return mThemeImpl.getTheme();
         }
 
         /** @hide */
@@ -1772,16 +1592,7 @@
          * @hide
          */
         public void rebase() {
-            synchronized (mKey) {
-                AssetManager.clearTheme(mTheme);
-
-                // Reapply the same styles in the same order.
-                for (int i = 0; i < mKey.mCount; i++) {
-                    final int resId = mKey.mResId[i];
-                    final boolean force = mKey.mForce[i];
-                    AssetManager.applyThemeStyle(mTheme, resId, force);
-                }
-            }
+            mThemeImpl.rebase();
         }
     }
 
@@ -1870,7 +1681,9 @@
      * @return Theme The newly created Theme container.
      */
     public final Theme newTheme() {
-        return new Theme();
+        Theme theme = new Theme();
+        theme.setImpl(mResourcesImpl.newThemeImpl());
+        return theme;
     }
 
     /**
@@ -1894,7 +1707,7 @@
         // out the attributes from the XML file (applying type information
         // contained in the resources and such).
         XmlBlock.Parser parser = (XmlBlock.Parser)set;
-        mAssets.retrieveAttributes(parser.mParseState, attrs,
+        mResourcesImpl.getAssets().retrieveAttributes(parser.mParseState, attrs,
                 array.mData, array.mIndices);
 
         array.mXml = parser;
@@ -1905,151 +1718,16 @@
     /**
      * Store the newly updated configuration.
      */
-    public void updateConfiguration(Configuration config,
-            DisplayMetrics metrics) {
+    public void updateConfiguration(Configuration config, DisplayMetrics metrics) {
         updateConfiguration(config, metrics, null);
     }
 
     /**
      * @hide
      */
-    public void updateConfiguration(Configuration config,
-            DisplayMetrics metrics, CompatibilityInfo compat) {
-        synchronized (mAccessLock) {
-            if (false) {
-                Slog.i(TAG, "**** Updating config of " + this + ": old config is "
-                        + mConfiguration + " old compat is " + mCompatibilityInfo);
-                Slog.i(TAG, "**** Updating config of " + this + ": new config is "
-                        + config + " new compat is " + compat);
-            }
-            if (compat != null) {
-                mCompatibilityInfo = compat;
-            }
-            if (metrics != null) {
-                mMetrics.setTo(metrics);
-            }
-            // NOTE: We should re-arrange this code to create a Display
-            // with the CompatibilityInfo that is used everywhere we deal
-            // with the display in relation to this app, rather than
-            // doing the conversion here.  This impl should be okay because
-            // we make sure to return a compatible display in the places
-            // where there are public APIs to retrieve the display...  but
-            // it would be cleaner and more maintainble to just be
-            // consistently dealing with a compatible display everywhere in
-            // the framework.
-            mCompatibilityInfo.applyToDisplayMetrics(mMetrics);
-
-            final int configChanges = calcConfigChanges(config);
-
-            LocaleList locales = mConfiguration.getLocales();
-            if (locales.isEmpty()) {
-                locales = LocaleList.getAdjustedDefault();
-                mConfiguration.setLocales(locales);
-            }
-            if (mConfiguration.densityDpi != Configuration.DENSITY_DPI_UNDEFINED) {
-                mMetrics.densityDpi = mConfiguration.densityDpi;
-                mMetrics.density = mConfiguration.densityDpi * DisplayMetrics.DENSITY_DEFAULT_SCALE;
-            }
-            mMetrics.scaledDensity = mMetrics.density * mConfiguration.fontScale;
-
-            final int width, height;
-            if (mMetrics.widthPixels >= mMetrics.heightPixels) {
-                width = mMetrics.widthPixels;
-                height = mMetrics.heightPixels;
-            } else {
-                //noinspection SuspiciousNameCombination
-                width = mMetrics.heightPixels;
-                //noinspection SuspiciousNameCombination
-                height = mMetrics.widthPixels;
-            }
-
-            final int keyboardHidden;
-            if (mConfiguration.keyboardHidden == Configuration.KEYBOARDHIDDEN_NO
-                    && mConfiguration.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_YES) {
-                keyboardHidden = Configuration.KEYBOARDHIDDEN_SOFT;
-            } else {
-                keyboardHidden = mConfiguration.keyboardHidden;
-            }
-
-            mAssets.setConfiguration(mConfiguration.mcc, mConfiguration.mnc,
-                    adjustLanguageTag(locales.get(0).toLanguageTag()),
-                    mConfiguration.orientation,
-                    mConfiguration.touchscreen,
-                    mConfiguration.densityDpi, mConfiguration.keyboard,
-                    keyboardHidden, mConfiguration.navigation, width, height,
-                    mConfiguration.smallestScreenWidthDp,
-                    mConfiguration.screenWidthDp, mConfiguration.screenHeightDp,
-                    mConfiguration.screenLayout, mConfiguration.uiMode,
-                    Build.VERSION.RESOURCES_SDK_INT);
-
-            if (DEBUG_CONFIG) {
-                Slog.i(TAG, "**** Updating config of " + this + ": final config is "
-                        + mConfiguration + " final compat is " + mCompatibilityInfo);
-            }
-
-            mDrawableCache.onConfigurationChange(configChanges);
-            mColorDrawableCache.onConfigurationChange(configChanges);
-            mComplexColorCache.onConfigurationChange(configChanges);
-            mAnimatorCache.onConfigurationChange(configChanges);
-            mStateListAnimatorCache.onConfigurationChange(configChanges);
-
-            flushLayoutCache();
-        }
-        synchronized (sSync) {
-            if (mPluralRule != null) {
-                mPluralRule = PluralRules.forLocale(mConfiguration.getLocales().get(0));
-            }
-        }
-    }
-
-    /**
-     * Called by ConfigurationBoundResourceCacheTest via reflection.
-     */
-    private int calcConfigChanges(Configuration config) {
-        int configChanges = 0xfffffff;
-        if (config != null) {
-            mTmpConfig.setTo(config);
-            int density = config.densityDpi;
-            if (density == Configuration.DENSITY_DPI_UNDEFINED) {
-                density = mMetrics.noncompatDensityDpi;
-            }
-
-            mCompatibilityInfo.applyToConfiguration(density, mTmpConfig);
-
-            if (mTmpConfig.getLocales().isEmpty()) {
-                mTmpConfig.setLocales(LocaleList.getDefault());
-            }
-            configChanges = mConfiguration.updateFrom(mTmpConfig);
-            configChanges = ActivityInfo.activityInfoConfigToNative(configChanges);
-        }
-        return configChanges;
-    }
-
-    /**
-     * {@code Locale.toLanguageTag} will transform the obsolete (and deprecated)
-     * language codes "in", "ji" and "iw" to "id", "yi" and "he" respectively.
-     *
-     * All released versions of android prior to "L" used the deprecated language
-     * tags, so we will need to support them for backwards compatibility.
-     *
-     * Note that this conversion needs to take place *after* the call to
-     * {@code toLanguageTag} because that will convert all the deprecated codes to
-     * the new ones, even if they're set manually.
-     */
-    private static String adjustLanguageTag(String languageTag) {
-        final int separator = languageTag.indexOf('-');
-        final String language;
-        final String remainder;
-
-        if (separator == -1) {
-            language = languageTag;
-            remainder = "";
-        } else {
-            language = languageTag.substring(0, separator);
-            remainder = languageTag.substring(separator);
-        }
-
-        return Locale.adjustLanguageCode(language) + remainder;
+    public void updateConfiguration(Configuration config, DisplayMetrics metrics,
+                                    CompatibilityInfo compat) {
+        mResourcesImpl.updateConfiguration(config, metrics, compat);
     }
 
     /**
@@ -2074,9 +1752,7 @@
      * @return The resource's current display metrics. 
      */
     public DisplayMetrics getDisplayMetrics() {
-        if (DEBUG_CONFIG) Slog.v(TAG, "Returning DisplayMetrics: " + mMetrics.widthPixels
-                + "x" + mMetrics.heightPixels + " " + mMetrics.density);
-        return mMetrics;
+        return mResourcesImpl.getDisplayMetrics();
     }
 
     /**
@@ -2086,13 +1762,13 @@
      * @return The resource's current configuration. 
      */
     public Configuration getConfiguration() {
-        return mConfiguration;
+        return mResourcesImpl.getConfiguration();
     }
 
     /** @hide */
     public Configuration[] getSizeConfigurations() {
-        return mAssets.getSizeConfigurations();
-    };
+        return mResourcesImpl.getSizeConfigurations();
+    }
 
     /**
      * Return the compatibility mode information for the application.
@@ -2102,7 +1778,7 @@
      * @hide
      */
     public CompatibilityInfo getCompatibilityInfo() {
-        return mCompatibilityInfo;
+        return mResourcesImpl.getCompatibilityInfo();
     }
 
     /**
@@ -2111,8 +1787,7 @@
      */
     public void setCompatibilityInfo(CompatibilityInfo ci) {
         if (ci != null) {
-            mCompatibilityInfo = ci;
-            updateConfiguration(mConfiguration, mMetrics);
+            mResourcesImpl.updateConfiguration(null, null, ci);
         }
     }
     
@@ -2137,15 +1812,7 @@
      *         resource was found.  (0 is not a valid resource ID.)
      */
     public int getIdentifier(String name, String defType, String defPackage) {
-        if (name == null) {
-            throw new NullPointerException("name is null");
-        }
-        try {
-            return Integer.parseInt(name);
-        } catch (Exception e) {
-            // Ignore
-        }
-        return mAssets.getResourceIdentifier(name, defType, defPackage);
+        return mResourcesImpl.getIdentifier(name, defType, defPackage);
     }
 
     /**
@@ -2172,10 +1839,7 @@
      * @see #getResourceEntryName
      */
     public String getResourceName(@AnyRes int resid) throws NotFoundException {
-        String str = mAssets.getResourceName(resid);
-        if (str != null) return str;
-        throw new NotFoundException("Unable to find resource ID #0x"
-                + Integer.toHexString(resid));
+        return mResourcesImpl.getResourceName(resid);
     }
     
     /**
@@ -2191,10 +1855,7 @@
      * @see #getResourceName
      */
     public String getResourcePackageName(@AnyRes int resid) throws NotFoundException {
-        String str = mAssets.getResourcePackageName(resid);
-        if (str != null) return str;
-        throw new NotFoundException("Unable to find resource ID #0x"
-                + Integer.toHexString(resid));
+        return mResourcesImpl.getResourcePackageName(resid);
     }
     
     /**
@@ -2210,10 +1871,7 @@
      * @see #getResourceName
      */
     public String getResourceTypeName(@AnyRes int resid) throws NotFoundException {
-        String str = mAssets.getResourceTypeName(resid);
-        if (str != null) return str;
-        throw new NotFoundException("Unable to find resource ID #0x"
-                + Integer.toHexString(resid));
+        return mResourcesImpl.getResourceTypeName(resid);
     }
     
     /**
@@ -2229,10 +1887,7 @@
      * @see #getResourceName
      */
     public String getResourceEntryName(@AnyRes int resid) throws NotFoundException {
-        String str = mAssets.getResourceEntryName(resid);
-        if (str != null) return str;
-        throw new NotFoundException("Unable to find resource ID #0x"
-                + Integer.toHexString(resid));
+        return mResourcesImpl.getResourceEntryName(resid);
     }
     
     /**
@@ -2335,7 +1990,7 @@
      * Retrieve underlying AssetManager storage for these resources.
      */
     public final AssetManager getAssets() {
-        return mAssets;
+        return mResourcesImpl.getAssets();
     }
 
     /**
@@ -2344,19 +1999,7 @@
      * tools.
      */
     public final void flushLayoutCache() {
-        synchronized (mCachedXmlBlocks) {
-            Arrays.fill(mCachedXmlBlockCookies, 0);
-            Arrays.fill(mCachedXmlBlockFiles, null);
-
-            final XmlBlock[] cachedXmlBlocks = mCachedXmlBlocks;
-            for (int i = 0; i < XML_BLOCK_CACHE_SIZE; i++) {
-                final XmlBlock oldBlock = cachedXmlBlocks[i];
-                if (oldBlock != null) {
-                    oldBlock.close();
-                }
-            }
-            Arrays.fill(cachedXmlBlocks, null);
-        }
+        mResourcesImpl.flushLayoutCache();
     }
 
     /**
@@ -2365,15 +2008,7 @@
      * {@hide}
      */
     public final void startPreloading() {
-        synchronized (sSync) {
-            if (sPreloaded) {
-                throw new IllegalStateException("Resources already preloaded");
-            }
-            sPreloaded = true;
-            mPreloading = true;
-            mConfiguration.densityDpi = DisplayMetrics.DENSITY_DEVICE;
-            updateConfiguration(null, null);
-        }
+        mResourcesImpl.startPreloading();
     }
     
     /**
@@ -2381,441 +2016,14 @@
      * to normal Resources operation.
      */
     public final void finishPreloading() {
-        if (mPreloading) {
-            mPreloading = false;
-            flushLayoutCache();
-        }
+        mResourcesImpl.finishPreloading();
     }
 
     /**
      * @hide
      */
     public LongSparseArray<ConstantState> getPreloadedDrawables() {
-        return sPreloadedDrawables[0];
-    }
-
-    private boolean verifyPreloadConfig(int changingConfigurations, int allowVarying,
-            int resourceId, String name) {
-        // We allow preloading of resources even if they vary by font scale (which
-        // doesn't impact resource selection) or density (which we handle specially by
-        // simply turning off all preloading), as well as any other configs specified
-        // by the caller.
-        if (((changingConfigurations&~(ActivityInfo.CONFIG_FONT_SCALE |
-                ActivityInfo.CONFIG_DENSITY)) & ~allowVarying) != 0) {
-            String resName;
-            try {
-                resName = getResourceName(resourceId);
-            } catch (NotFoundException e) {
-                resName = "?";
-            }
-            // This should never happen in production, so we should log a
-            // warning even if we're not debugging.
-            Log.w(TAG, "Preloaded " + name + " resource #0x"
-                    + Integer.toHexString(resourceId)
-                    + " (" + resName + ") that varies with configuration!!");
-            return false;
-        }
-        if (TRACE_FOR_PRELOAD) {
-            String resName;
-            try {
-                resName = getResourceName(resourceId);
-            } catch (NotFoundException e) {
-                resName = "?";
-            }
-            Log.w(TAG, "Preloading " + name + " resource #0x"
-                    + Integer.toHexString(resourceId)
-                    + " (" + resName + ")");
-        }
-        return true;
-    }
-
-    @Nullable
-    Drawable loadDrawable(TypedValue value, int id, Theme theme) throws NotFoundException {
-        return loadDrawable(value, id, theme, true);
-    }
-
-    @Nullable
-    Drawable loadDrawable(TypedValue value, int id, Theme theme, boolean useCache)
-            throws NotFoundException {
-        try {
-            if (TRACE_FOR_PRELOAD) {
-                // Log only framework resources
-                if ((id >>> 24) == 0x1) {
-                    final String name = getResourceName(id);
-                    if (name != null) {
-                        Log.d("PreloadDrawable", name);
-                    }
-                }
-            }
-
-            final boolean isColorDrawable;
-            final DrawableCache caches;
-            final long key;
-            if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
-                    && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
-                isColorDrawable = true;
-                caches = mColorDrawableCache;
-                key = value.data;
-            } else {
-                isColorDrawable = false;
-                caches = mDrawableCache;
-                key = (((long) value.assetCookie) << 32) | value.data;
-            }
-
-            // First, check whether we have a cached version of this drawable
-            // that was inflated against the specified theme. Skip the cache if
-            // we're currently preloading or we're not using the cache.
-            if (!mPreloading && useCache) {
-                final Drawable cachedDrawable = caches.getInstance(key, theme);
-                if (cachedDrawable != null) {
-                    return cachedDrawable;
-                }
-            }
-
-            // Next, check preloaded drawables. Preloaded drawables may contain
-            // unresolved theme attributes.
-            final ConstantState cs;
-            if (isColorDrawable) {
-                cs = sPreloadedColorDrawables.get(key);
-            } else {
-                cs = sPreloadedDrawables[mConfiguration.getLayoutDirection()].get(key);
-            }
-
-            Drawable dr;
-            if (cs != null) {
-                dr = cs.newDrawable(this);
-            } else if (isColorDrawable) {
-                dr = new ColorDrawable(value.data);
-            } else {
-                dr = loadDrawableForCookie(value, id, null);
-            }
-
-            // Determine if the drawable has unresolved theme attributes. If it
-            // does, we'll need to apply a theme and store it in a theme-specific
-            // cache.
-            final boolean canApplyTheme = dr != null && dr.canApplyTheme();
-            if (canApplyTheme && theme != null) {
-                dr = dr.mutate();
-                dr.applyTheme(theme);
-                dr.clearMutated();
-            }
-
-            // If we were able to obtain a drawable, store it in the appropriate
-            // cache: preload, not themed, null theme, or theme-specific. Don't
-            // pollute the cache with drawables loaded from a foreign density.
-            if (dr != null && useCache) {
-                dr.setChangingConfigurations(value.changingConfigurations);
-                cacheDrawable(value, isColorDrawable, caches, theme, canApplyTheme, key, dr);
-            }
-
-            return dr;
-        } catch (Exception e) {
-            String name;
-            try {
-                name = getResourceName(id);
-            } catch (NotFoundException e2) {
-                name = "(missing name)";
-            }
-
-            // The target drawable might fail to load for any number of
-            // reasons, but we always want to include the resource name.
-            // Since the client already expects this method to throw a
-            // NotFoundException, just throw one of those.
-            final NotFoundException nfe = new NotFoundException("Drawable " + name
-                    + " with resource ID #0x" + Integer.toHexString(id), e);
-            nfe.setStackTrace(new StackTraceElement[0]);
-            throw nfe;
-        }
-    }
-
-    private void cacheDrawable(TypedValue value, boolean isColorDrawable, DrawableCache caches,
-            Theme theme, boolean usesTheme, long key, Drawable dr) {
-        final ConstantState cs = dr.getConstantState();
-        if (cs == null) {
-            return;
-        }
-
-        if (mPreloading) {
-            final int changingConfigs = cs.getChangingConfigurations();
-            if (isColorDrawable) {
-                if (verifyPreloadConfig(changingConfigs, 0, value.resourceId, "drawable")) {
-                    sPreloadedColorDrawables.put(key, cs);
-                }
-            } else {
-                if (verifyPreloadConfig(
-                        changingConfigs, LAYOUT_DIR_CONFIG, value.resourceId, "drawable")) {
-                    if ((changingConfigs & LAYOUT_DIR_CONFIG) == 0) {
-                        // If this resource does not vary based on layout direction,
-                        // we can put it in all of the preload maps.
-                        sPreloadedDrawables[0].put(key, cs);
-                        sPreloadedDrawables[1].put(key, cs);
-                    } else {
-                        // Otherwise, only in the layout dir we loaded it for.
-                        sPreloadedDrawables[mConfiguration.getLayoutDirection()].put(key, cs);
-                    }
-                }
-            }
-        } else {
-            synchronized (mAccessLock) {
-                caches.put(key, theme, cs, usesTheme);
-            }
-        }
-    }
-
-    /**
-     * Loads a drawable from XML or resources stream.
-     */
-    private Drawable loadDrawableForCookie(TypedValue value, int id, Theme theme) {
-        if (value.string == null) {
-            throw new NotFoundException("Resource \"" + getResourceName(id) + "\" ("
-                    + Integer.toHexString(id) + ") is not a Drawable (color or path): " + value);
-        }
-
-        final String file = value.string.toString();
-
-        if (TRACE_FOR_MISS_PRELOAD) {
-            // Log only framework resources
-            if ((id >>> 24) == 0x1) {
-                final String name = getResourceName(id);
-                if (name != null) {
-                    Log.d(TAG, "Loading framework drawable #" + Integer.toHexString(id)
-                            + ": " + name + " at " + file);
-                }
-            }
-        }
-
-        if (DEBUG_LOAD) {
-            Log.v(TAG, "Loading drawable for cookie " + value.assetCookie + ": " + file);
-        }
-
-        final Drawable dr;
-
-        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
-        try {
-            if (file.endsWith(".xml")) {
-                final XmlResourceParser rp = loadXmlResourceParser(
-                        file, id, value.assetCookie, "drawable");
-                dr = Drawable.createFromXml(this, rp, theme);
-                rp.close();
-            } else {
-                final InputStream is = mAssets.openNonAsset(
-                        value.assetCookie, file, AssetManager.ACCESS_STREAMING);
-                dr = Drawable.createFromResourceStream(this, value, is, file, null);
-                is.close();
-            }
-        } catch (Exception e) {
-            Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-            final NotFoundException rnf = new NotFoundException(
-                    "File " + file + " from drawable resource ID #0x" + Integer.toHexString(id));
-            rnf.initCause(e);
-            throw rnf;
-        }
-        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-
-        return dr;
-    }
-
-    /**
-     * Given the value and id, we can get the XML filename as in value.data, based on that, we
-     * first try to load CSL from the cache. If not found, try to get from the constant state.
-     * Last, parse the XML and generate the CSL.
-     */
-    private ComplexColor loadComplexColorFromName(Theme theme, TypedValue value, int id) {
-        final long key = (((long) value.assetCookie) << 32) | value.data;
-        final ConfigurationBoundResourceCache<ComplexColor> cache = mComplexColorCache;
-        ComplexColor complexColor = cache.getInstance(key, theme);
-        if (complexColor != null) {
-            return complexColor;
-        }
-
-        final android.content.res.ConstantState<ComplexColor> factory =
-                sPreloadedComplexColors.get(key);
-
-        if (factory != null) {
-            complexColor = factory.newInstance(this, theme);
-        }
-        if (complexColor == null) {
-            complexColor = loadComplexColorForCookie(value, id, theme);
-        }
-
-        if (complexColor != null) {
-            if (mPreloading) {
-                if (verifyPreloadConfig(value.changingConfigurations, 0, value.resourceId,
-                        "color")) {
-                    sPreloadedComplexColors.put(key, complexColor.getConstantState());
-                }
-            } else {
-                cache.put(key, theme, complexColor.getConstantState());
-            }
-        }
-        return complexColor;
-    }
-
-    @Nullable
-    public ComplexColor loadComplexColor(@NonNull TypedValue value, int id, Theme theme) {
-        if (TRACE_FOR_PRELOAD) {
-            // Log only framework resources
-            if ((id >>> 24) == 0x1) {
-                final String name = getResourceName(id);
-                if (name != null) android.util.Log.d("loadComplexColor", name);
-            }
-        }
-
-        final long key = (((long) value.assetCookie) << 32) | value.data;
-
-        // Handle inline color definitions.
-        if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
-                && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
-            return getColorStateListFromInt(value, key);
-        }
-
-        final String file = value.string.toString();
-
-        ComplexColor complexColor;
-        if (file.endsWith(".xml")) {
-            try {
-                complexColor = loadComplexColorFromName(theme, value, id);
-            } catch (Exception e) {
-                final NotFoundException rnf = new NotFoundException(
-                        "File " + file + " from complex color resource ID #0x"
-                                + Integer.toHexString(id));
-                rnf.initCause(e);
-                throw rnf;
-            }
-        } else {
-            throw new NotFoundException(
-                    "File " + file + " from drawable resource ID #0x"
-                            + Integer.toHexString(id) + ": .xml extension required");
-        }
-
-        return complexColor;
-    }
-
-    @Nullable
-    ColorStateList loadColorStateList(TypedValue value, int id, Theme theme)
-            throws NotFoundException {
-        if (TRACE_FOR_PRELOAD) {
-            // Log only framework resources
-            if ((id >>> 24) == 0x1) {
-                final String name = getResourceName(id);
-                if (name != null) android.util.Log.d("PreloadColorStateList", name);
-            }
-        }
-
-        final long key = (((long) value.assetCookie) << 32) | value.data;
-
-        // Handle inline color definitions.
-        if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
-                && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
-            return getColorStateListFromInt(value, key);
-        }
-
-        ComplexColor complexColor = loadComplexColorFromName(theme, value, id);
-        if (complexColor != null && complexColor instanceof ColorStateList) {
-            return (ColorStateList) complexColor;
-        }
-
-        throw new NotFoundException(
-                "Can't find ColorStateList from drawable resource ID #0x"
-                        + Integer.toHexString(id));
-    }
-
-    @NonNull
-    private ColorStateList getColorStateListFromInt(@NonNull  TypedValue value, long key) {
-        ColorStateList csl;
-        final android.content.res.ConstantState<ComplexColor> factory =
-                sPreloadedComplexColors.get(key);
-        if (factory != null) {
-            return (ColorStateList) factory.newInstance();
-        }
-
-        csl = ColorStateList.valueOf(value.data);
-
-        if (mPreloading) {
-            if (verifyPreloadConfig(value.changingConfigurations, 0, value.resourceId,
-                    "color")) {
-                sPreloadedComplexColors.put(key, csl.getConstantState());
-            }
-        }
-
-        return csl;
-    }
-
-    /**
-     * Load a ComplexColor based on the XML file content. The result can be a GradientColor or
-     * ColorStateList. Note that pure color will be wrapped into a ColorStateList.
-     *
-     * We deferred the parser creation to this function b/c we need to differentiate b/t gradient
-     * and selector tag.
-     *
-     * @return a ComplexColor (GradientColor or ColorStateList) based on the XML file content.
-     */
-    @Nullable
-    private ComplexColor loadComplexColorForCookie(TypedValue value, int id, Theme theme) {
-        if (value.string == null) {
-            throw new UnsupportedOperationException(
-                    "Can't convert to ComplexColor: type=0x" + value.type);
-        }
-
-        final String file = value.string.toString();
-
-        if (TRACE_FOR_MISS_PRELOAD) {
-            // Log only framework resources
-            if ((id >>> 24) == 0x1) {
-                final String name = getResourceName(id);
-                if (name != null) {
-                    Log.d(TAG, "Loading framework ComplexColor #" + Integer.toHexString(id)
-                            + ": " + name + " at " + file);
-                }
-            }
-        }
-
-        if (DEBUG_LOAD) {
-            Log.v(TAG, "Loading ComplexColor for cookie " + value.assetCookie + ": " + file);
-        }
-
-        ComplexColor complexColor = null;
-
-        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
-        if (file.endsWith(".xml")) {
-            try {
-                final XmlResourceParser parser = loadXmlResourceParser(
-                        file, id, value.assetCookie, "ComplexColor");
-
-                final AttributeSet attrs = Xml.asAttributeSet(parser);
-                int type;
-                while ((type = parser.next()) != XmlPullParser.START_TAG
-                        && type != XmlPullParser.END_DOCUMENT) {
-                    // Seek parser to start tag.
-                }
-                if (type != XmlPullParser.START_TAG) {
-                    throw new XmlPullParserException("No start tag found");
-                }
-
-                final String name = parser.getName();
-                if (name.equals("gradient")) {
-                    complexColor = GradientColor.createFromXmlInner(this, parser, attrs, theme);
-                } else if (name.equals("selector")) {
-                    complexColor = ColorStateList.createFromXmlInner(this, parser, attrs, theme);
-                }
-                parser.close();
-            } catch (Exception e) {
-                Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-                final NotFoundException rnf = new NotFoundException(
-                        "File " + file + " from ComplexColor resource ID #0x"
-                                + Integer.toHexString(id));
-                rnf.initCause(e);
-                throw rnf;
-            }
-        } else {
-            Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-            throw new NotFoundException(
-                    "File " + file + " from drawable resource ID #0x"
-                            + Integer.toHexString(id) + ": .xml extension required");
-        }
-        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-
-        return complexColor;
+        return mResourcesImpl.getPreloadedDrawables();
     }
 
     /**
@@ -2829,10 +2037,12 @@
     @NonNull
     XmlResourceParser loadXmlResourceParser(@AnyRes int id, @NonNull String type)
             throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_STRING) {
-                return loadXmlResourceParser(value.string.toString(), id,
+                return impl.loadXmlResourceParser(value.string.toString(), id,
                         value.assetCookie, type);
             }
             throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id)
@@ -2853,49 +2063,9 @@
      * @throws NotFoundException if the file could not be loaded
      */
     @NonNull
-    XmlResourceParser loadXmlResourceParser(@NonNull String file, @AnyRes int id,
-            int assetCookie, @NonNull String type) throws NotFoundException {
-        if (id != 0) {
-            try {
-                synchronized (mCachedXmlBlocks) {
-                    final int[] cachedXmlBlockCookies = mCachedXmlBlockCookies;
-                    final String[] cachedXmlBlockFiles = mCachedXmlBlockFiles;
-                    final XmlBlock[] cachedXmlBlocks = mCachedXmlBlocks;
-                    // First see if this block is in our cache.
-                    final int num = cachedXmlBlockFiles.length;
-                    for (int i = 0; i < num; i++) {
-                        if (cachedXmlBlockCookies[i] == assetCookie && cachedXmlBlockFiles[i] != null
-                                && cachedXmlBlockFiles[i].equals(file)) {
-                            return cachedXmlBlocks[i].newParser();
-                        }
-                    }
-
-                    // Not in the cache, create a new block and put it at
-                    // the next slot in the cache.
-                    final XmlBlock block = mAssets.openXmlBlockAsset(assetCookie, file);
-                    if (block != null) {
-                        final int pos = (mLastCachedXmlBlockIndex + 1) % num;
-                        mLastCachedXmlBlockIndex = pos;
-                        final XmlBlock oldBlock = cachedXmlBlocks[pos];
-                        if (oldBlock != null) {
-                            oldBlock.close();
-                        }
-                        cachedXmlBlockCookies[pos] = assetCookie;
-                        cachedXmlBlockFiles[pos] = file;
-                        cachedXmlBlocks[pos] = block;
-                        return block.newParser();
-                    }
-                }
-            } catch (Exception e) {
-                final NotFoundException rnf = new NotFoundException("File " + file
-                        + " from xml type " + type + " resource ID #0x" + Integer.toHexString(id));
-                rnf.initCause(e);
-                throw rnf;
-            }
-        }
-
-        throw new NotFoundException("File " + file + " from xml type " + type + " resource ID #0x"
-                + Integer.toHexString(id));
+    XmlResourceParser loadXmlResourceParser(String file, int id, int assetCookie,
+                                            String type) throws NotFoundException {
+        return mResourcesImpl.loadXmlResourceParser(file, id, assetCookie, type);
     }
 
     /**
@@ -2911,16 +2081,4 @@
         }
         return theme.obtainStyledAttributes(set, attrs, 0, 0);
     }
-
-    private Resources() {
-        mAssets = AssetManager.getSystem();
-        mClassLoader = ClassLoader.getSystemClassLoader();
-        // NOTE: Intentionally leaving this uninitialized (all values set
-        // to zero), so that anyone who tries to do something that requires
-        // metrics will get a very wrong value.
-        mConfiguration.setToDefaults();
-        mMetrics.setToDefaults();
-        updateConfiguration(null, null);
-        mAssets.ensureStringBlocks();
-    }
 }
diff --git a/core/java/android/content/res/ResourcesImpl.java b/core/java/android/content/res/ResourcesImpl.java
new file mode 100644
index 0000000..2ffd372
--- /dev/null
+++ b/core/java/android/content/res/ResourcesImpl.java
@@ -0,0 +1,1140 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package android.content.res;
+
+import android.animation.Animator;
+import android.animation.StateListAnimator;
+import android.annotation.AnyRes;
+import android.annotation.AttrRes;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.PluralsRes;
+import android.annotation.RawRes;
+import android.annotation.StyleRes;
+import android.annotation.StyleableRes;
+import android.content.pm.ActivityInfo;
+import android.content.res.Resources.NotFoundException;
+import android.graphics.drawable.ColorDrawable;
+import android.graphics.drawable.Drawable;
+import android.icu.text.PluralRules;
+import android.os.Build;
+import android.os.Trace;
+import android.util.AttributeSet;
+import android.util.DisplayMetrics;
+import android.util.LocaleList;
+import android.util.Log;
+import android.util.LongSparseArray;
+import android.util.Slog;
+import android.util.TypedValue;
+import android.util.Xml;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.InputStream;
+import java.util.Arrays;
+import java.util.Locale;
+
+/**
+ * @hide
+ */
+public class ResourcesImpl {
+    static final String TAG = "Resources";
+
+    private static final boolean DEBUG_LOAD = false;
+    private static final boolean DEBUG_CONFIG = false;
+    private static final boolean TRACE_FOR_PRELOAD = false;
+    private static final boolean TRACE_FOR_MISS_PRELOAD = false;
+
+    private static final int LAYOUT_DIR_CONFIG = ActivityInfo.activityInfoConfigToNative(
+            ActivityInfo.CONFIG_LAYOUT_DIRECTION);
+
+    private static final int ID_OTHER = 0x01000004;
+
+    private static final Object sSync = new Object();
+
+    private static boolean sPreloaded;
+    private boolean mPreloading;
+
+    // Information about preloaded resources.  Note that they are not
+    // protected by a lock, because while preloading in zygote we are all
+    // single-threaded, and after that these are immutable.
+    private static final LongSparseArray<Drawable.ConstantState>[] sPreloadedDrawables;
+    private static final LongSparseArray<Drawable.ConstantState> sPreloadedColorDrawables
+            = new LongSparseArray<>();
+    private static final LongSparseArray<android.content.res.ConstantState<ComplexColor>>
+            sPreloadedComplexColors = new LongSparseArray<>();
+
+    /** Lock object used to protect access to caches and configuration. */
+    private final Object mAccessLock = new Object();
+
+    // These are protected by mAccessLock.
+    private final Configuration mTmpConfig = new Configuration();
+    private final DrawableCache mDrawableCache = new DrawableCache();
+    private final DrawableCache mColorDrawableCache = new DrawableCache();
+    private final ConfigurationBoundResourceCache<ComplexColor> mComplexColorCache =
+            new ConfigurationBoundResourceCache<>();
+    private final ConfigurationBoundResourceCache<Animator> mAnimatorCache =
+            new ConfigurationBoundResourceCache<>();
+    private final ConfigurationBoundResourceCache<StateListAnimator> mStateListAnimatorCache =
+            new ConfigurationBoundResourceCache<>();
+
+    /** Size of the cyclical cache used to map XML files to blocks. */
+    private static final int XML_BLOCK_CACHE_SIZE = 4;
+
+    // Cyclical cache used for recently-accessed XML files.
+    private int mLastCachedXmlBlockIndex = -1;
+    private final int[] mCachedXmlBlockCookies = new int[XML_BLOCK_CACHE_SIZE];
+    private final String[] mCachedXmlBlockFiles = new String[XML_BLOCK_CACHE_SIZE];
+    private final XmlBlock[] mCachedXmlBlocks = new XmlBlock[XML_BLOCK_CACHE_SIZE];
+
+
+    final AssetManager mAssets;
+    final DisplayMetrics mMetrics = new DisplayMetrics();
+
+    private PluralRules mPluralRule;
+
+    private final Configuration mConfiguration = new Configuration();
+    private CompatibilityInfo mCompatibilityInfo = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
+
+    static {
+        sPreloadedDrawables = new LongSparseArray[2];
+        sPreloadedDrawables[0] = new LongSparseArray<>();
+        sPreloadedDrawables[1] = new LongSparseArray<>();
+    }
+
+    /**
+     * Creates a new ResourcesImpl object with CompatibilityInfo.
+     *
+     * @param assets Previously created AssetManager.
+     * @param metrics Current display metrics to consider when
+     *                selecting/computing resource values.
+     * @param config Desired device configuration to consider when
+     *               selecting/computing resource values (optional).
+     * @param compatInfo this resource's compatibility info. Must not be null.
+     */
+    public ResourcesImpl(AssetManager assets, DisplayMetrics metrics, Configuration config,
+                         CompatibilityInfo compatInfo) {
+        mAssets = assets;
+        mMetrics.setToDefaults();
+        updateConfiguration(config, metrics, compatInfo);
+        mAssets.ensureStringBlocks();
+    }
+
+    AssetManager getAssets() {
+        return mAssets;
+    }
+
+    DisplayMetrics getDisplayMetrics() {
+        if (DEBUG_CONFIG) Slog.v(TAG, "Returning DisplayMetrics: " + mMetrics.widthPixels
+                + "x" + mMetrics.heightPixels + " " + mMetrics.density);
+        return mMetrics;
+    }
+
+    Configuration getConfiguration() {
+        return mConfiguration;
+    }
+
+    Configuration[] getSizeConfigurations() {
+        return mAssets.getSizeConfigurations();
+    }
+
+    CompatibilityInfo getCompatibilityInfo() {
+        return mCompatibilityInfo;
+    }
+
+    private PluralRules getPluralRule() {
+        synchronized (sSync) {
+            if (mPluralRule == null) {
+                mPluralRule = PluralRules.forLocale(mConfiguration.getLocales().get(0));
+            }
+            return mPluralRule;
+        }
+    }
+
+    void getValue(@AnyRes int id, TypedValue outValue, boolean resolveRefs)
+            throws NotFoundException {
+        boolean found = mAssets.getResourceValue(id, 0, outValue, resolveRefs);
+        if (found) {
+            return;
+        }
+        throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id));
+    }
+
+    void getValueForDensity(@AnyRes int id, int density, TypedValue outValue,
+                            boolean resolveRefs) throws NotFoundException {
+        boolean found = mAssets.getResourceValue(id, density, outValue, resolveRefs);
+        if (found) {
+            return;
+        }
+        throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id));
+    }
+
+    void getValue(String name, TypedValue outValue, boolean resolveRefs)
+            throws NotFoundException {
+        int id = getIdentifier(name, "string", null);
+        if (id != 0) {
+            getValue(id, outValue, resolveRefs);
+            return;
+        }
+        throw new NotFoundException("String resource name " + name);
+    }
+
+    int getIdentifier(String name, String defType, String defPackage) {
+        if (name == null) {
+            throw new NullPointerException("name is null");
+        }
+        try {
+            return Integer.parseInt(name);
+        } catch (Exception e) {
+            // Ignore
+        }
+        return mAssets.getResourceIdentifier(name, defType, defPackage);
+    }
+
+    @NonNull
+    String getResourceName(@AnyRes int resid) throws NotFoundException {
+        String str = mAssets.getResourceName(resid);
+        if (str != null) return str;
+        throw new NotFoundException("Unable to find resource ID #0x"
+                + Integer.toHexString(resid));
+    }
+
+    @NonNull
+    String getResourcePackageName(@AnyRes int resid) throws NotFoundException {
+        String str = mAssets.getResourcePackageName(resid);
+        if (str != null) return str;
+        throw new NotFoundException("Unable to find resource ID #0x"
+                + Integer.toHexString(resid));
+    }
+
+    @NonNull
+    String getResourceTypeName(@AnyRes int resid) throws NotFoundException {
+        String str = mAssets.getResourceTypeName(resid);
+        if (str != null) return str;
+        throw new NotFoundException("Unable to find resource ID #0x"
+                + Integer.toHexString(resid));
+    }
+
+    @NonNull
+    String getResourceEntryName(@AnyRes int resid) throws NotFoundException {
+        String str = mAssets.getResourceEntryName(resid);
+        if (str != null) return str;
+        throw new NotFoundException("Unable to find resource ID #0x"
+                + Integer.toHexString(resid));
+    }
+
+    @NonNull
+    CharSequence getQuantityText(@PluralsRes int id, int quantity) throws NotFoundException {
+        PluralRules rule = getPluralRule();
+        CharSequence res = mAssets.getResourceBagText(id,
+                attrForQuantityCode(rule.select(quantity)));
+        if (res != null) {
+            return res;
+        }
+        res = mAssets.getResourceBagText(id, ID_OTHER);
+        if (res != null) {
+            return res;
+        }
+        throw new NotFoundException("Plural resource ID #0x" + Integer.toHexString(id)
+                + " quantity=" + quantity
+                + " item=" + rule.select(quantity));
+    }
+
+    private static int attrForQuantityCode(String quantityCode) {
+        switch (quantityCode) {
+            case PluralRules.KEYWORD_ZERO: return 0x01000005;
+            case PluralRules.KEYWORD_ONE:  return 0x01000006;
+            case PluralRules.KEYWORD_TWO:  return 0x01000007;
+            case PluralRules.KEYWORD_FEW:  return 0x01000008;
+            case PluralRules.KEYWORD_MANY: return 0x01000009;
+            default:                       return ID_OTHER;
+        }
+    }
+
+    @NonNull
+    AssetFileDescriptor openRawResourceFd(@RawRes int id, TypedValue tempValue)
+            throws NotFoundException {
+        getValue(id, tempValue, true);
+        try {
+            return mAssets.openNonAssetFd(tempValue.assetCookie, tempValue.string.toString());
+        } catch (Exception e) {
+            throw new NotFoundException("File " + tempValue.string.toString() + " from drawable "
+                    + "resource ID #0x" + Integer.toHexString(id), e);
+        }
+    }
+
+    @NonNull
+    InputStream openRawResource(@RawRes int id, TypedValue value) throws NotFoundException {
+        getValue(id, value, true);
+        try {
+            return mAssets.openNonAsset(value.assetCookie, value.string.toString(),
+                    AssetManager.ACCESS_STREAMING);
+        } catch (Exception e) {
+            NotFoundException rnf = new NotFoundException("File " + value.string.toString() +
+                    " from drawable resource ID #0x" + Integer.toHexString(id));
+            rnf.initCause(e);
+            throw rnf;
+        }
+    }
+
+    ConfigurationBoundResourceCache<Animator> getAnimatorCache() {
+        return mAnimatorCache;
+    }
+
+    ConfigurationBoundResourceCache<StateListAnimator> getStateListAnimatorCache() {
+        return mStateListAnimatorCache;
+    }
+
+    void updateConfiguration(Configuration config, DisplayMetrics metrics,
+                             CompatibilityInfo compat) {
+        synchronized (mAccessLock) {
+            if (false) {
+                Slog.i(TAG, "**** Updating config of " + this + ": old config is "
+                        + mConfiguration + " old compat is " + mCompatibilityInfo);
+                Slog.i(TAG, "**** Updating config of " + this + ": new config is "
+                        + config + " new compat is " + compat);
+            }
+            if (compat != null) {
+                mCompatibilityInfo = compat;
+            }
+            if (metrics != null) {
+                mMetrics.setTo(metrics);
+            }
+            // NOTE: We should re-arrange this code to create a Display
+            // with the CompatibilityInfo that is used everywhere we deal
+            // with the display in relation to this app, rather than
+            // doing the conversion here.  This impl should be okay because
+            // we make sure to return a compatible display in the places
+            // where there are public APIs to retrieve the display...  but
+            // it would be cleaner and more maintainble to just be
+            // consistently dealing with a compatible display everywhere in
+            // the framework.
+            mCompatibilityInfo.applyToDisplayMetrics(mMetrics);
+
+            final int configChanges = calcConfigChanges(config);
+
+            LocaleList locales = mConfiguration.getLocales();
+            if (locales.isEmpty()) {
+                locales = LocaleList.getAdjustedDefault();
+                mConfiguration.setLocales(locales);
+            }
+            if (mConfiguration.densityDpi != Configuration.DENSITY_DPI_UNDEFINED) {
+                mMetrics.densityDpi = mConfiguration.densityDpi;
+                mMetrics.density = mConfiguration.densityDpi * DisplayMetrics.DENSITY_DEFAULT_SCALE;
+            }
+            mMetrics.scaledDensity = mMetrics.density * mConfiguration.fontScale;
+
+            final int width, height;
+            if (mMetrics.widthPixels >= mMetrics.heightPixels) {
+                width = mMetrics.widthPixels;
+                height = mMetrics.heightPixels;
+            } else {
+                //noinspection SuspiciousNameCombination
+                width = mMetrics.heightPixels;
+                //noinspection SuspiciousNameCombination
+                height = mMetrics.widthPixels;
+            }
+
+            final int keyboardHidden;
+            if (mConfiguration.keyboardHidden == Configuration.KEYBOARDHIDDEN_NO
+                    && mConfiguration.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_YES) {
+                keyboardHidden = Configuration.KEYBOARDHIDDEN_SOFT;
+            } else {
+                keyboardHidden = mConfiguration.keyboardHidden;
+            }
+
+            mAssets.setConfiguration(mConfiguration.mcc, mConfiguration.mnc,
+                    adjustLanguageTag(locales.get(0).toLanguageTag()),
+                    mConfiguration.orientation,
+                    mConfiguration.touchscreen,
+                    mConfiguration.densityDpi, mConfiguration.keyboard,
+                    keyboardHidden, mConfiguration.navigation, width, height,
+                    mConfiguration.smallestScreenWidthDp,
+                    mConfiguration.screenWidthDp, mConfiguration.screenHeightDp,
+                    mConfiguration.screenLayout, mConfiguration.uiMode,
+                    Build.VERSION.RESOURCES_SDK_INT);
+
+            if (DEBUG_CONFIG) {
+                Slog.i(TAG, "**** Updating config of " + this + ": final config is "
+                        + mConfiguration + " final compat is " + mCompatibilityInfo);
+            }
+
+            mDrawableCache.onConfigurationChange(configChanges);
+            mColorDrawableCache.onConfigurationChange(configChanges);
+            mComplexColorCache.onConfigurationChange(configChanges);
+            mAnimatorCache.onConfigurationChange(configChanges);
+            mStateListAnimatorCache.onConfigurationChange(configChanges);
+
+            flushLayoutCache();
+        }
+        synchronized (sSync) {
+            if (mPluralRule != null) {
+                mPluralRule = PluralRules.forLocale(mConfiguration.getLocales().get(0));
+            }
+        }
+    }
+
+    /**
+     * Called by ConfigurationBoundResourceCacheTest via reflection.
+     */
+    private int calcConfigChanges(Configuration config) {
+        int configChanges = 0xfffffff;
+        if (config != null) {
+            mTmpConfig.setTo(config);
+            int density = config.densityDpi;
+            if (density == Configuration.DENSITY_DPI_UNDEFINED) {
+                density = mMetrics.noncompatDensityDpi;
+            }
+
+            mCompatibilityInfo.applyToConfiguration(density, mTmpConfig);
+
+            if (mTmpConfig.getLocales().isEmpty()) {
+                mTmpConfig.setLocales(LocaleList.getDefault());
+            }
+            configChanges = mConfiguration.updateFrom(mTmpConfig);
+            configChanges = ActivityInfo.activityInfoConfigToNative(configChanges);
+        }
+        return configChanges;
+    }
+
+    /**
+     * {@code Locale.toLanguageTag} will transform the obsolete (and deprecated)
+     * language codes "in", "ji" and "iw" to "id", "yi" and "he" respectively.
+     *
+     * All released versions of android prior to "L" used the deprecated language
+     * tags, so we will need to support them for backwards compatibility.
+     *
+     * Note that this conversion needs to take place *after* the call to
+     * {@code toLanguageTag} because that will convert all the deprecated codes to
+     * the new ones, even if they're set manually.
+     */
+    private static String adjustLanguageTag(String languageTag) {
+        final int separator = languageTag.indexOf('-');
+        final String language;
+        final String remainder;
+
+        if (separator == -1) {
+            language = languageTag;
+            remainder = "";
+        } else {
+            language = languageTag.substring(0, separator);
+            remainder = languageTag.substring(separator);
+        }
+
+        return Locale.adjustLanguageCode(language) + remainder;
+    }
+
+    /**
+     * Call this to remove all cached loaded layout resources from the
+     * Resources object.  Only intended for use with performance testing
+     * tools.
+     */
+    public void flushLayoutCache() {
+        synchronized (mCachedXmlBlocks) {
+            Arrays.fill(mCachedXmlBlockCookies, 0);
+            Arrays.fill(mCachedXmlBlockFiles, null);
+
+            final XmlBlock[] cachedXmlBlocks = mCachedXmlBlocks;
+            for (int i = 0; i < XML_BLOCK_CACHE_SIZE; i++) {
+                final XmlBlock oldBlock = cachedXmlBlocks[i];
+                if (oldBlock != null) {
+                    oldBlock.close();
+                }
+            }
+            Arrays.fill(cachedXmlBlocks, null);
+        }
+    }
+
+    @Nullable
+    Drawable loadDrawable(Resources wrapper, TypedValue value, int id, Resources.Theme theme,
+                          boolean useCache) throws NotFoundException {
+        try {
+            if (TRACE_FOR_PRELOAD) {
+                // Log only framework resources
+                if ((id >>> 24) == 0x1) {
+                    final String name = getResourceName(id);
+                    if (name != null) {
+                        Log.d("PreloadDrawable", name);
+                    }
+                }
+            }
+
+            final boolean isColorDrawable;
+            final DrawableCache caches;
+            final long key;
+            if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
+                    && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
+                isColorDrawable = true;
+                caches = mColorDrawableCache;
+                key = value.data;
+            } else {
+                isColorDrawable = false;
+                caches = mDrawableCache;
+                key = (((long) value.assetCookie) << 32) | value.data;
+            }
+
+            // First, check whether we have a cached version of this drawable
+            // that was inflated against the specified theme. Skip the cache if
+            // we're currently preloading or we're not using the cache.
+            if (!mPreloading && useCache) {
+                final Drawable cachedDrawable = caches.getInstance(key, wrapper, theme);
+                if (cachedDrawable != null) {
+                    return cachedDrawable;
+                }
+            }
+
+            // Next, check preloaded drawables. Preloaded drawables may contain
+            // unresolved theme attributes.
+            final Drawable.ConstantState cs;
+            if (isColorDrawable) {
+                cs = sPreloadedColorDrawables.get(key);
+            } else {
+                cs = sPreloadedDrawables[mConfiguration.getLayoutDirection()].get(key);
+            }
+
+            Drawable dr;
+            if (cs != null) {
+                dr = cs.newDrawable(wrapper);
+            } else if (isColorDrawable) {
+                dr = new ColorDrawable(value.data);
+            } else {
+                dr = loadDrawableForCookie(wrapper, value, id, null);
+            }
+
+            // Determine if the drawable has unresolved theme attributes. If it
+            // does, we'll need to apply a theme and store it in a theme-specific
+            // cache.
+            final boolean canApplyTheme = dr != null && dr.canApplyTheme();
+            if (canApplyTheme && theme != null) {
+                dr = dr.mutate();
+                dr.applyTheme(theme);
+                dr.clearMutated();
+            }
+
+            // If we were able to obtain a drawable, store it in the appropriate
+            // cache: preload, not themed, null theme, or theme-specific. Don't
+            // pollute the cache with drawables loaded from a foreign density.
+            if (dr != null && useCache) {
+                dr.setChangingConfigurations(value.changingConfigurations);
+                cacheDrawable(value, isColorDrawable, caches, theme, canApplyTheme, key, dr);
+            }
+
+            return dr;
+        } catch (Exception e) {
+            String name;
+            try {
+                name = getResourceName(id);
+            } catch (NotFoundException e2) {
+                name = "(missing name)";
+            }
+
+            // The target drawable might fail to load for any number of
+            // reasons, but we always want to include the resource name.
+            // Since the client already expects this method to throw a
+            // NotFoundException, just throw one of those.
+            final NotFoundException nfe = new NotFoundException("Drawable " + name
+                    + " with resource ID #0x" + Integer.toHexString(id), e);
+            nfe.setStackTrace(new StackTraceElement[0]);
+            throw nfe;
+        }
+    }
+
+    private void cacheDrawable(TypedValue value, boolean isColorDrawable, DrawableCache caches,
+                               Resources.Theme theme, boolean usesTheme, long key, Drawable dr) {
+        final Drawable.ConstantState cs = dr.getConstantState();
+        if (cs == null) {
+            return;
+        }
+
+        if (mPreloading) {
+            final int changingConfigs = cs.getChangingConfigurations();
+            if (isColorDrawable) {
+                if (verifyPreloadConfig(changingConfigs, 0, value.resourceId, "drawable")) {
+                    sPreloadedColorDrawables.put(key, cs);
+                }
+            } else {
+                if (verifyPreloadConfig(
+                        changingConfigs, LAYOUT_DIR_CONFIG, value.resourceId, "drawable")) {
+                    if ((changingConfigs & LAYOUT_DIR_CONFIG) == 0) {
+                        // If this resource does not vary based on layout direction,
+                        // we can put it in all of the preload maps.
+                        sPreloadedDrawables[0].put(key, cs);
+                        sPreloadedDrawables[1].put(key, cs);
+                    } else {
+                        // Otherwise, only in the layout dir we loaded it for.
+                        sPreloadedDrawables[mConfiguration.getLayoutDirection()].put(key, cs);
+                    }
+                }
+            }
+        } else {
+            synchronized (mAccessLock) {
+                caches.put(key, theme, cs, usesTheme);
+            }
+        }
+    }
+
+    private boolean verifyPreloadConfig(int changingConfigurations, int allowVarying,
+                                        int resourceId, String name) {
+        // We allow preloading of resources even if they vary by font scale (which
+        // doesn't impact resource selection) or density (which we handle specially by
+        // simply turning off all preloading), as well as any other configs specified
+        // by the caller.
+        if (((changingConfigurations&~(ActivityInfo.CONFIG_FONT_SCALE |
+                ActivityInfo.CONFIG_DENSITY)) & ~allowVarying) != 0) {
+            String resName;
+            try {
+                resName = getResourceName(resourceId);
+            } catch (NotFoundException e) {
+                resName = "?";
+            }
+            // This should never happen in production, so we should log a
+            // warning even if we're not debugging.
+            Log.w(TAG, "Preloaded " + name + " resource #0x"
+                    + Integer.toHexString(resourceId)
+                    + " (" + resName + ") that varies with configuration!!");
+            return false;
+        }
+        if (TRACE_FOR_PRELOAD) {
+            String resName;
+            try {
+                resName = getResourceName(resourceId);
+            } catch (NotFoundException e) {
+                resName = "?";
+            }
+            Log.w(TAG, "Preloading " + name + " resource #0x"
+                    + Integer.toHexString(resourceId)
+                    + " (" + resName + ")");
+        }
+        return true;
+    }
+
+    /**
+     * Loads a drawable from XML or resources stream.
+     */
+    private Drawable loadDrawableForCookie(Resources wrapper, TypedValue value, int id,
+                                           Resources.Theme theme) {
+        if (value.string == null) {
+            throw new NotFoundException("Resource \"" + getResourceName(id) + "\" ("
+                    + Integer.toHexString(id) + ") is not a Drawable (color or path): " + value);
+        }
+
+        final String file = value.string.toString();
+
+        if (TRACE_FOR_MISS_PRELOAD) {
+            // Log only framework resources
+            if ((id >>> 24) == 0x1) {
+                final String name = getResourceName(id);
+                if (name != null) {
+                    Log.d(TAG, "Loading framework drawable #" + Integer.toHexString(id)
+                            + ": " + name + " at " + file);
+                }
+            }
+        }
+
+        if (DEBUG_LOAD) {
+            Log.v(TAG, "Loading drawable for cookie " + value.assetCookie + ": " + file);
+        }
+
+        final Drawable dr;
+
+        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
+        try {
+            if (file.endsWith(".xml")) {
+                final XmlResourceParser rp = loadXmlResourceParser(
+                        file, id, value.assetCookie, "drawable");
+                dr = Drawable.createFromXml(wrapper, rp, theme);
+                rp.close();
+            } else {
+                final InputStream is = mAssets.openNonAsset(
+                        value.assetCookie, file, AssetManager.ACCESS_STREAMING);
+                dr = Drawable.createFromResourceStream(wrapper, value, is, file, null);
+                is.close();
+            }
+        } catch (Exception e) {
+            Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+            final NotFoundException rnf = new NotFoundException(
+                    "File " + file + " from drawable resource ID #0x" + Integer.toHexString(id));
+            rnf.initCause(e);
+            throw rnf;
+        }
+        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+
+        return dr;
+    }
+
+    /**
+     * Given the value and id, we can get the XML filename as in value.data, based on that, we
+     * first try to load CSL from the cache. If not found, try to get from the constant state.
+     * Last, parse the XML and generate the CSL.
+     */
+    private ComplexColor loadComplexColorFromName(Resources wrapper, Resources.Theme theme,
+                                                  TypedValue value, int id) {
+        final long key = (((long) value.assetCookie) << 32) | value.data;
+        final ConfigurationBoundResourceCache<ComplexColor> cache = mComplexColorCache;
+        ComplexColor complexColor = cache.getInstance(key, wrapper, theme);
+        if (complexColor != null) {
+            return complexColor;
+        }
+
+        final android.content.res.ConstantState<ComplexColor> factory =
+                sPreloadedComplexColors.get(key);
+
+        if (factory != null) {
+            complexColor = factory.newInstance(wrapper, theme);
+        }
+        if (complexColor == null) {
+            complexColor = loadComplexColorForCookie(wrapper, value, id, theme);
+        }
+
+        if (complexColor != null) {
+            if (mPreloading) {
+                if (verifyPreloadConfig(value.changingConfigurations, 0, value.resourceId,
+                        "color")) {
+                    sPreloadedComplexColors.put(key, complexColor.getConstantState());
+                }
+            } else {
+                cache.put(key, theme, complexColor.getConstantState());
+            }
+        }
+        return complexColor;
+    }
+
+    @Nullable
+    ComplexColor loadComplexColor(Resources wrapper, @NonNull TypedValue value, int id,
+                                  Resources.Theme theme) {
+        if (TRACE_FOR_PRELOAD) {
+            // Log only framework resources
+            if ((id >>> 24) == 0x1) {
+                final String name = getResourceName(id);
+                if (name != null) android.util.Log.d("loadComplexColor", name);
+            }
+        }
+
+        final long key = (((long) value.assetCookie) << 32) | value.data;
+
+        // Handle inline color definitions.
+        if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
+                && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
+            return getColorStateListFromInt(value, key);
+        }
+
+        final String file = value.string.toString();
+
+        ComplexColor complexColor;
+        if (file.endsWith(".xml")) {
+            try {
+                complexColor = loadComplexColorFromName(wrapper, theme, value, id);
+            } catch (Exception e) {
+                final NotFoundException rnf = new NotFoundException(
+                        "File " + file + " from complex color resource ID #0x"
+                                + Integer.toHexString(id));
+                rnf.initCause(e);
+                throw rnf;
+            }
+        } else {
+            throw new NotFoundException(
+                    "File " + file + " from drawable resource ID #0x"
+                            + Integer.toHexString(id) + ": .xml extension required");
+        }
+
+        return complexColor;
+    }
+
+    @Nullable
+    ColorStateList loadColorStateList(Resources wrapper, TypedValue value, int id,
+                                      Resources.Theme theme)
+            throws NotFoundException {
+        if (TRACE_FOR_PRELOAD) {
+            // Log only framework resources
+            if ((id >>> 24) == 0x1) {
+                final String name = getResourceName(id);
+                if (name != null) android.util.Log.d("PreloadColorStateList", name);
+            }
+        }
+
+        final long key = (((long) value.assetCookie) << 32) | value.data;
+
+        // Handle inline color definitions.
+        if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
+                && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
+            return getColorStateListFromInt(value, key);
+        }
+
+        ComplexColor complexColor = loadComplexColorFromName(wrapper, theme, value, id);
+        if (complexColor != null && complexColor instanceof ColorStateList) {
+            return (ColorStateList) complexColor;
+        }
+
+        throw new NotFoundException(
+                "Can't find ColorStateList from drawable resource ID #0x"
+                        + Integer.toHexString(id));
+    }
+
+    @NonNull
+    private ColorStateList getColorStateListFromInt(@NonNull TypedValue value, long key) {
+        ColorStateList csl;
+        final android.content.res.ConstantState<ComplexColor> factory =
+                sPreloadedComplexColors.get(key);
+        if (factory != null) {
+            return (ColorStateList) factory.newInstance();
+        }
+
+        csl = ColorStateList.valueOf(value.data);
+
+        if (mPreloading) {
+            if (verifyPreloadConfig(value.changingConfigurations, 0, value.resourceId,
+                    "color")) {
+                sPreloadedComplexColors.put(key, csl.getConstantState());
+            }
+        }
+
+        return csl;
+    }
+
+    /**
+     * Load a ComplexColor based on the XML file content. The result can be a GradientColor or
+     * ColorStateList. Note that pure color will be wrapped into a ColorStateList.
+     *
+     * We deferred the parser creation to this function b/c we need to differentiate b/t gradient
+     * and selector tag.
+     *
+     * @return a ComplexColor (GradientColor or ColorStateList) based on the XML file content.
+     */
+    @Nullable
+    private ComplexColor loadComplexColorForCookie(Resources wrapper, TypedValue value, int id,
+                                                   Resources.Theme theme) {
+        if (value.string == null) {
+            throw new UnsupportedOperationException(
+                    "Can't convert to ComplexColor: type=0x" + value.type);
+        }
+
+        final String file = value.string.toString();
+
+        if (TRACE_FOR_MISS_PRELOAD) {
+            // Log only framework resources
+            if ((id >>> 24) == 0x1) {
+                final String name = getResourceName(id);
+                if (name != null) {
+                    Log.d(TAG, "Loading framework ComplexColor #" + Integer.toHexString(id)
+                            + ": " + name + " at " + file);
+                }
+            }
+        }
+
+        if (DEBUG_LOAD) {
+            Log.v(TAG, "Loading ComplexColor for cookie " + value.assetCookie + ": " + file);
+        }
+
+        ComplexColor complexColor = null;
+
+        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
+        if (file.endsWith(".xml")) {
+            try {
+                final XmlResourceParser parser = loadXmlResourceParser(
+                        file, id, value.assetCookie, "ComplexColor");
+
+                final AttributeSet attrs = Xml.asAttributeSet(parser);
+                int type;
+                while ((type = parser.next()) != XmlPullParser.START_TAG
+                        && type != XmlPullParser.END_DOCUMENT) {
+                    // Seek parser to start tag.
+                }
+                if (type != XmlPullParser.START_TAG) {
+                    throw new XmlPullParserException("No start tag found");
+                }
+
+                final String name = parser.getName();
+                if (name.equals("gradient")) {
+                    complexColor = GradientColor.createFromXmlInner(wrapper, parser, attrs, theme);
+                } else if (name.equals("selector")) {
+                    complexColor = ColorStateList.createFromXmlInner(wrapper, parser, attrs, theme);
+                }
+                parser.close();
+            } catch (Exception e) {
+                Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+                final NotFoundException rnf = new NotFoundException(
+                        "File " + file + " from ComplexColor resource ID #0x"
+                                + Integer.toHexString(id));
+                rnf.initCause(e);
+                throw rnf;
+            }
+        } else {
+            Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+            throw new NotFoundException(
+                    "File " + file + " from drawable resource ID #0x"
+                            + Integer.toHexString(id) + ": .xml extension required");
+        }
+        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+
+        return complexColor;
+    }
+
+    /**
+     * Loads an XML parser for the specified file.
+     *
+     * @param file the path for the XML file to parse
+     * @param id the resource identifier for the file
+     * @param assetCookie the asset cookie for the file
+     * @param type the type of resource (used for logging)
+     * @return a parser for the specified XML file
+     * @throws NotFoundException if the file could not be loaded
+     */
+    @NonNull
+    XmlResourceParser loadXmlResourceParser(@NonNull String file, @AnyRes int id,
+                                            int assetCookie, @NonNull String type)
+            throws NotFoundException {
+        if (id != 0) {
+            try {
+                synchronized (mCachedXmlBlocks) {
+                    final int[] cachedXmlBlockCookies = mCachedXmlBlockCookies;
+                    final String[] cachedXmlBlockFiles = mCachedXmlBlockFiles;
+                    final XmlBlock[] cachedXmlBlocks = mCachedXmlBlocks;
+                    // First see if this block is in our cache.
+                    final int num = cachedXmlBlockFiles.length;
+                    for (int i = 0; i < num; i++) {
+                        if (cachedXmlBlockCookies[i] == assetCookie && cachedXmlBlockFiles[i] != null
+                                && cachedXmlBlockFiles[i].equals(file)) {
+                            return cachedXmlBlocks[i].newParser();
+                        }
+                    }
+
+                    // Not in the cache, create a new block and put it at
+                    // the next slot in the cache.
+                    final XmlBlock block = mAssets.openXmlBlockAsset(assetCookie, file);
+                    if (block != null) {
+                        final int pos = (mLastCachedXmlBlockIndex + 1) % num;
+                        mLastCachedXmlBlockIndex = pos;
+                        final XmlBlock oldBlock = cachedXmlBlocks[pos];
+                        if (oldBlock != null) {
+                            oldBlock.close();
+                        }
+                        cachedXmlBlockCookies[pos] = assetCookie;
+                        cachedXmlBlockFiles[pos] = file;
+                        cachedXmlBlocks[pos] = block;
+                        return block.newParser();
+                    }
+                }
+            } catch (Exception e) {
+                final NotFoundException rnf = new NotFoundException("File " + file
+                        + " from xml type " + type + " resource ID #0x" + Integer.toHexString(id));
+                rnf.initCause(e);
+                throw rnf;
+            }
+        }
+
+        throw new NotFoundException("File " + file + " from xml type " + type + " resource ID #0x"
+                + Integer.toHexString(id));
+    }
+
+    /**
+     * Start preloading of resource data using this Resources object.  Only
+     * for use by the zygote process for loading common system resources.
+     * {@hide}
+     */
+    public final void startPreloading() {
+        synchronized (sSync) {
+            if (sPreloaded) {
+                throw new IllegalStateException("Resources already preloaded");
+            }
+            sPreloaded = true;
+            mPreloading = true;
+            mConfiguration.densityDpi = DisplayMetrics.DENSITY_DEVICE;
+            updateConfiguration(null, null, null);
+        }
+    }
+
+    /**
+     * Called by zygote when it is done preloading resources, to change back
+     * to normal Resources operation.
+     */
+    void finishPreloading() {
+        if (mPreloading) {
+            mPreloading = false;
+            flushLayoutCache();
+        }
+    }
+
+    LongSparseArray<Drawable.ConstantState> getPreloadedDrawables() {
+        return sPreloadedDrawables[0];
+    }
+
+    ThemeImpl newThemeImpl() {
+        return new ThemeImpl();
+    }
+
+    public class ThemeImpl {
+        /**
+         * Unique key for the series of styles applied to this theme.
+         */
+        private final Resources.ThemeKey mKey = new Resources.ThemeKey();
+
+        @SuppressWarnings("hiding")
+        private final AssetManager mAssets;
+        private final long mTheme;
+
+        /**
+         * Resource identifier for the theme.
+         */
+        private int mThemeResId = 0;
+
+        /*package*/ ThemeImpl() {
+            mAssets = ResourcesImpl.this.mAssets;
+            mTheme = mAssets.createTheme();
+        }
+
+        @Override
+        protected void finalize() throws Throwable {
+            super.finalize();
+            mAssets.releaseTheme(mTheme);
+        }
+
+        /*package*/ Resources.ThemeKey getKey() {
+            return mKey;
+        }
+
+        /*package*/ long getNativeTheme() {
+            return mTheme;
+        }
+
+        /*package*/ int getAppliedStyleResId() {
+            return mThemeResId;
+        }
+
+        void applyStyle(int resId, boolean force) {
+            synchronized (mKey) {
+                AssetManager.applyThemeStyle(mTheme, resId, force);
+
+                mThemeResId = resId;
+                mKey.append(resId, force);
+            }
+        }
+
+        void setTo(ThemeImpl other) {
+            synchronized (mKey) {
+                synchronized (other.mKey) {
+                    AssetManager.copyTheme(mTheme, other.mTheme);
+
+                    mThemeResId = other.mThemeResId;
+                    mKey.setTo(other.getKey());
+                }
+            }
+        }
+
+        @NonNull
+        TypedArray obtainStyledAttributes(@NonNull Resources.Theme wrapper,
+                                          AttributeSet set,
+                                          @StyleableRes int[] attrs,
+                                          @AttrRes int defStyleAttr,
+                                          @StyleRes int defStyleRes) {
+            synchronized (mKey) {
+                final int len = attrs.length;
+                final TypedArray array = TypedArray.obtain(wrapper.getResources(), len);
+
+                // XXX note that for now we only work with compiled XML files.
+                // To support generic XML files we will need to manually parse
+                // out the attributes from the XML file (applying type information
+                // contained in the resources and such).
+                final XmlBlock.Parser parser = (XmlBlock.Parser) set;
+                AssetManager.applyStyle(mTheme, defStyleAttr, defStyleRes,
+                        parser != null ? parser.mParseState : 0,
+                        attrs, array.mData, array.mIndices);
+                array.mTheme = wrapper;
+                array.mXml = parser;
+
+                return array;
+            }
+        }
+
+        @NonNull
+        TypedArray resolveAttributes(@NonNull Resources.Theme wrapper,
+                                     @NonNull int[] values,
+                                     @NonNull int[] attrs) {
+            synchronized (mKey) {
+                final int len = attrs.length;
+                if (values == null || len != values.length) {
+                    throw new IllegalArgumentException(
+                            "Base attribute values must the same length as attrs");
+                }
+
+                final TypedArray array = TypedArray.obtain(wrapper.getResources(), len);
+                AssetManager.resolveAttrs(mTheme, 0, 0, values, attrs, array.mData, array.mIndices);
+                array.mTheme = wrapper;
+                array.mXml = null;
+                return array;
+            }
+        }
+
+        boolean resolveAttribute(int resid, TypedValue outValue, boolean resolveRefs) {
+            synchronized (mKey) {
+                return mAssets.getThemeValue(mTheme, resid, outValue, resolveRefs);
+            }
+        }
+
+        int[] getAllAttributes() {
+            return mAssets.getStyleAttributes(getAppliedStyleResId());
+        }
+
+        int getChangingConfigurations() {
+            synchronized (mKey) {
+                final int nativeChangingConfig =
+                        AssetManager.getThemeChangingConfigurations(mTheme);
+                return ActivityInfo.activityInfoConfigNativeToJava(nativeChangingConfig);
+            }
+        }
+
+        public void dump(int priority, String tag, String prefix) {
+            synchronized (mKey) {
+                AssetManager.dumpTheme(mTheme, priority, tag, prefix);
+            }
+        }
+
+        String[] getTheme() {
+            synchronized (mKey) {
+                final int N = mKey.mCount;
+                final String[] themes = new String[N * 2];
+                for (int i = 0, j = N - 1; i < themes.length; i += 2, --j) {
+                    final int resId = mKey.mResId[j];
+                    final boolean forced = mKey.mForce[j];
+                    try {
+                        themes[i] = getResourceName(resId);
+                    } catch (NotFoundException e) {
+                        themes[i] = Integer.toHexString(i);
+                    }
+                    themes[i + 1] = forced ? "forced" : "not forced";
+                }
+                return themes;
+            }
+        }
+
+        /**
+         * Rebases the theme against the parent Resource object's current
+         * configuration by re-applying the styles passed to
+         * {@link #applyStyle(int, boolean)}.
+         */
+        void rebase() {
+            synchronized (mKey) {
+                AssetManager.clearTheme(mTheme);
+
+                // Reapply the same styles in the same order.
+                for (int i = 0; i < mKey.mCount; i++) {
+                    final int resId = mKey.mResId[i];
+                    final boolean force = mKey.mForce[i];
+                    AssetManager.applyThemeStyle(mTheme, resId, force);
+                }
+            }
+        }
+    }
+}
diff --git a/core/java/android/content/res/TypedArray.java b/core/java/android/content/res/TypedArray.java
index da49b64..022bdfb 100644
--- a/core/java/android/content/res/TypedArray.java
+++ b/core/java/android/content/res/TypedArray.java
@@ -1206,8 +1206,8 @@
 
     /*package*/ TypedArray(Resources resources, int[] data, int[] indices, int len) {
         mResources = resources;
-        mMetrics = mResources.mMetrics;
-        mAssets = mResources.mAssets;
+        mMetrics = mResources.getDisplayMetrics();
+        mAssets = mResources.getAssets();
         mData = data;
         mIndices = indices;
         mLength = len;
diff --git a/core/java/android/hardware/camera2/DngCreator.java b/core/java/android/hardware/camera2/DngCreator.java
index 57a080b..9478dc0 100644
--- a/core/java/android/hardware/camera2/DngCreator.java
+++ b/core/java/android/hardware/camera2/DngCreator.java
@@ -137,6 +137,11 @@
             throw new IllegalArgumentException("Orientation " + orientation +
                     " is not a valid EXIF orientation value");
         }
+        // ExifInterface and TIFF/EP spec differ on definition of
+        // "Unknown" orientation; other values map directly
+        if (orientation == ExifInterface.ORIENTATION_UNDEFINED) {
+            orientation = TAG_ORIENTATION_UNKNOWN;
+        }
         nativeSetOrientation(orientation);
         return this;
     }
@@ -443,7 +448,7 @@
     private static final String GPS_LONG_REF_WEST = "W";
 
     private static final String GPS_DATE_FORMAT_STR = "yyyy:MM:dd";
-    private static final String TIFF_DATETIME_FORMAT = "yyyy:MM:dd kk:mm:ss";
+    private static final String TIFF_DATETIME_FORMAT = "yyyy:MM:dd HH:mm:ss";
     private static final DateFormat sExifGPSDateStamp = new SimpleDateFormat(GPS_DATE_FORMAT_STR);
     private static final DateFormat sDateTimeStampFormat =
             new SimpleDateFormat(TIFF_DATETIME_FORMAT);
@@ -458,6 +463,9 @@
     private static final int DEFAULT_PIXEL_STRIDE = 2; // bytes per sample
     private static final int BYTES_PER_RGB_PIX = 3; // byts per pixel
 
+    // TIFF tag values needed to map between public API and TIFF spec
+    private static final int TAG_ORIENTATION_UNKNOWN = 9;
+
     /**
      * Offset, rowStride, and pixelStride are given in bytes.  Height and width are given in pixels.
      */
diff --git a/core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java b/core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java
index e62df3c..4c4adea 100644
--- a/core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java
+++ b/core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java
@@ -614,14 +614,16 @@
         return LegacyExceptionUtils.throwOnError(nativeDetectSurfaceDataspace(surface));
     }
 
-    static void configureSurface(Surface surface, int width, int height,
-                                 int pixelFormat) throws BufferQueueAbandonedException {
+    static void connectSurface(Surface surface) throws BufferQueueAbandonedException {
         checkNotNull(surface);
-        checkArgumentPositive(width, "width must be positive.");
-        checkArgumentPositive(height, "height must be positive.");
 
-        LegacyExceptionUtils.throwOnError(nativeConfigureSurface(surface, width, height,
-                pixelFormat));
+        LegacyExceptionUtils.throwOnError(nativeConnectSurface(surface));
+    }
+
+    static void disconnectSurface(Surface surface) throws BufferQueueAbandonedException {
+        if (surface == null) return;
+
+        LegacyExceptionUtils.throwOnError(nativeDisconnectSurface(surface));
     }
 
     static void produceFrame(Surface surface, byte[] pixelBuffer, int width,
@@ -716,8 +718,7 @@
     private static native int nativeDetectSurfaceDimens(Surface surface,
             /*out*/int[/*2*/] dimens);
 
-    private static native int nativeConfigureSurface(Surface surface, int width, int height,
-                                                        int pixelFormat);
+    private static native int nativeConnectSurface(Surface surface);
 
     private static native int nativeProduceFrame(Surface surface, byte[] pixelBuffer, int width,
                                                     int height, int pixelFormat);
@@ -740,5 +741,7 @@
 
     private static native int nativeSetScalingMode(Surface surface, int scalingMode);
 
+    private static native int nativeDisconnectSurface(Surface surface);
+
     static native int nativeGetJpegFooterSize();
 }
diff --git a/core/java/android/hardware/camera2/legacy/RequestThreadManager.java b/core/java/android/hardware/camera2/legacy/RequestThreadManager.java
index 1ca7ddf..e8ce3ec 100644
--- a/core/java/android/hardware/camera2/legacy/RequestThreadManager.java
+++ b/core/java/android/hardware/camera2/legacy/RequestThreadManager.java
@@ -365,6 +365,14 @@
             mGLThreadManager.waitUntilIdle();
         }
         resetJpegSurfaceFormats(mCallbackOutputs);
+
+        for (Surface s : mCallbackOutputs) {
+            try {
+                LegacyCameraDevice.disconnectSurface(s);
+            } catch (LegacyExceptionUtils.BufferQueueAbandonedException e) {
+                Log.w(TAG, "Surface abandoned, skipping...", e);
+            }
+        }
         mPreviewOutputs.clear();
         mCallbackOutputs.clear();
         mJpegSurfaceIds.clear();
@@ -392,6 +400,10 @@
                             mJpegSurfaceIds.add(LegacyCameraDevice.getSurfaceId(s));
                             mCallbackOutputs.add(s);
                             callbackOutputSizes.add(outSize);
+
+                            // LegacyCameraDevice is the producer of JPEG output surfaces
+                            // so LegacyCameraDevice needs to connect to the surfaces.
+                            LegacyCameraDevice.connectSurface(s);
                             break;
                         default:
                             LegacyCameraDevice.setScalingMode(s, LegacyCameraDevice.
diff --git a/core/java/android/hardware/camera2/legacy/SurfaceTextureRenderer.java b/core/java/android/hardware/camera2/legacy/SurfaceTextureRenderer.java
index bc80fc1..70bc2fd 100644
--- a/core/java/android/hardware/camera2/legacy/SurfaceTextureRenderer.java
+++ b/core/java/android/hardware/camera2/legacy/SurfaceTextureRenderer.java
@@ -401,6 +401,13 @@
 
     private void clearState() {
         mSurfaces.clear();
+        for (EGLSurfaceHolder holder : mConversionSurfaces) {
+            try {
+                LegacyCameraDevice.disconnectSurface(holder.surface);
+            } catch (LegacyExceptionUtils.BufferQueueAbandonedException e) {
+                Log.w(TAG, "Surface abandoned, skipping...", e);
+            }
+        }
         mConversionSurfaces.clear();
         mPBufferPixels = null;
         if (mSurfaceTexture != null) {
@@ -631,6 +638,9 @@
                 holder.height = surfaceSize.getHeight();
                 if (LegacyCameraDevice.needsConversion(s)) {
                     mConversionSurfaces.add(holder);
+                    // LegacyCameraDevice is the producer of surfaces if it's not handled by EGL,
+                    // so LegacyCameraDevice needs to connect to the surfaces.
+                    LegacyCameraDevice.connectSurface(s);
                 } else {
                     mSurfaces.add(holder);
                 }
diff --git a/core/java/android/net/NetworkAgent.java b/core/java/android/net/NetworkAgent.java
index 20c2168..9e360e1 100644
--- a/core/java/android/net/NetworkAgent.java
+++ b/core/java/android/net/NetworkAgent.java
@@ -200,6 +200,14 @@
      */
     public static final int CMD_PREVENT_AUTOMATIC_RECONNECT = BASE + 15;
 
+    /**
+     * Sent by ConnectivityService to the NetworkAgent to install an APF program in the network
+     * chipset for use to filter packets.
+     *
+     * obj = byte[] containing the APF program bytecode.
+     */
+    public static final int CMD_PUSH_APF_PROGRAM = BASE + 16;
+
     public NetworkAgent(Looper looper, Context context, String logTag, NetworkInfo ni,
             NetworkCapabilities nc, LinkProperties lp, int score) {
         this(looper, context, logTag, ni, nc, lp, score, null);
@@ -319,6 +327,10 @@
                 preventAutomaticReconnect();
                 break;
             }
+            case CMD_PUSH_APF_PROGRAM: {
+                installPacketFilter((byte[]) msg.obj);
+                break;
+            }
         }
     }
 
@@ -494,6 +506,15 @@
     protected void preventAutomaticReconnect() {
     }
 
+    /**
+     * Install a packet filter.
+     * @param filter an APF program to filter incoming packets.
+     * @return {@code true} if filter successfully installed, {@code false} otherwise.
+     */
+    protected boolean installPacketFilter(byte[] filter) {
+        return false;
+    }
+
     protected void log(String s) {
         Log.d(LOG_TAG, "NetworkAgent: " + s);
     }
diff --git a/core/java/android/net/NetworkMisc.java b/core/java/android/net/NetworkMisc.java
index 5511a24..748699e 100644
--- a/core/java/android/net/NetworkMisc.java
+++ b/core/java/android/net/NetworkMisc.java
@@ -56,6 +56,22 @@
      */
     public String subscriberId;
 
+    /**
+     * Version of APF instruction set supported for packet filtering. 0 indicates no support for
+     * packet filtering using APF programs.
+     */
+    public int apfVersionSupported;
+
+    /**
+     * Maximum size of APF program allowed.
+     */
+    public int maximumApfProgramSize;
+
+    /**
+     * Format of packets passed to APF filter. Should be one of ARPHRD_*
+     */
+    public int apfPacketFormat;
+
     public NetworkMisc() {
     }
 
@@ -65,6 +81,9 @@
             explicitlySelected = nm.explicitlySelected;
             acceptUnvalidated = nm.acceptUnvalidated;
             subscriberId = nm.subscriberId;
+            apfVersionSupported = nm.apfVersionSupported;
+            maximumApfProgramSize = nm.maximumApfProgramSize;
+            apfPacketFormat = nm.apfPacketFormat;
         }
     }
 
@@ -79,6 +98,9 @@
         out.writeInt(explicitlySelected ? 1 : 0);
         out.writeInt(acceptUnvalidated ? 1 : 0);
         out.writeString(subscriberId);
+        out.writeInt(apfVersionSupported);
+        out.writeInt(maximumApfProgramSize);
+        out.writeInt(apfPacketFormat);
     }
 
     public static final Creator<NetworkMisc> CREATOR = new Creator<NetworkMisc>() {
@@ -89,6 +111,9 @@
             networkMisc.explicitlySelected = in.readInt() != 0;
             networkMisc.acceptUnvalidated = in.readInt() != 0;
             networkMisc.subscriberId = in.readString();
+            networkMisc.apfVersionSupported = in.readInt();
+            networkMisc.maximumApfProgramSize = in.readInt();
+            networkMisc.apfPacketFormat = in.readInt();
             return networkMisc;
         }
 
diff --git a/core/java/android/net/NetworkPolicyManager.java b/core/java/android/net/NetworkPolicyManager.java
index 94de933..8738424 100644
--- a/core/java/android/net/NetworkPolicyManager.java
+++ b/core/java/android/net/NetworkPolicyManager.java
@@ -68,10 +68,12 @@
     public static final int FIREWALL_CHAIN_NONE = 0;
     public static final int FIREWALL_CHAIN_DOZABLE = 1;
     public static final int FIREWALL_CHAIN_STANDBY = 2;
+    public static final int FIREWALL_CHAIN_POWERSAVE = 3;
 
     public static final String FIREWALL_CHAIN_NAME_NONE = "none";
     public static final String FIREWALL_CHAIN_NAME_DOZABLE = "dozable";
     public static final String FIREWALL_CHAIN_NAME_STANDBY = "standby";
+    public static final String FIREWALL_CHAIN_NAME_POWERSAVE = "powersave";
 
     private static final boolean ALLOW_PLATFORM_APP_POLICY = true;
 
diff --git a/core/java/android/net/NetworkUtils.java b/core/java/android/net/NetworkUtils.java
index c6d919f..555032d 100644
--- a/core/java/android/net/NetworkUtils.java
+++ b/core/java/android/net/NetworkUtils.java
@@ -62,6 +62,13 @@
     public native static void attachDhcpFilter(FileDescriptor fd) throws SocketException;
 
     /**
+     * Attaches a socket filter that accepts ICMP6 router advertisement packets to the given socket.
+     * @param fd the socket's {@link FileDescriptor}.
+     * @param packetType the hardware address type, one of ARPHRD_*.
+     */
+    public native static void attachRaFilter(FileDescriptor fd, int packetType) throws SocketException;
+
+    /**
      * Binds the current process to the network designated by {@code netId}.  All sockets created
      * in the future (and not explicitly bound via a bound {@link SocketFactory} (see
      * {@link Network#getSocketFactory}) will be bound to this network.  Note that if this
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 9984755..8fd3b0c 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -383,6 +383,9 @@
     public static final int SIGNAL_KILL = 9;
     public static final int SIGNAL_USR1 = 10;
 
+    private static long sStartElapsedRealtime;
+    private static long sStartUptimeMillis;
+
     /**
      * State for communicating with the zygote process.
      *
@@ -772,6 +775,26 @@
     public static final native long getElapsedCpuTime();
 
     /**
+     * Return the {@link SystemClock#elapsedRealtime()} at which this process was started.
+     */
+    public static final long getStartElapsedRealtime() {
+        return sStartElapsedRealtime;
+    }
+
+    /**
+     * Return the {@link SystemClock#uptimeMillis()} at which this process was started.
+     */
+    public static final long getStartUptimeMillis() {
+        return sStartUptimeMillis;
+    }
+
+    /** @hide */
+    public static final void setStartTimes(long elapsedRealtime, long uptimeMillis) {
+        sStartElapsedRealtime = elapsedRealtime;
+        sStartUptimeMillis = uptimeMillis;
+    }
+
+    /**
      * Returns true if the current process is a 64-bit runtime.
      */
     public static final boolean is64Bit() {
diff --git a/core/java/android/provider/DocumentsContract.java b/core/java/android/provider/DocumentsContract.java
index 3788c74..0065cd9 100644
--- a/core/java/android/provider/DocumentsContract.java
+++ b/core/java/android/provider/DocumentsContract.java
@@ -478,7 +478,6 @@
         /**
          * Capacity of a root in bytes. This column is optional, and may be
          * {@code null} if unknown or unbounded.
-         * {@hide}
          * <p>
          * Type: INTEGER (long)
          */
@@ -568,6 +567,22 @@
          * @hide
          */
         public static final int FLAG_HAS_SETTINGS = 1 << 17;
+
+        /**
+         * Flag indicating that this root is on removable SD card storage.
+         *
+         * @see #COLUMN_FLAGS
+         * @hide
+         */
+        public static final int FLAG_REMOVABLE_SD = 1 << 18;
+
+        /**
+         * Flag indicating that this root is on removable USB storage.
+         *
+         * @see #COLUMN_FLAGS
+         * @hide
+         */
+        public static final int FLAG_REMOVABLE_USB = 1 << 19;
     }
 
     /**
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index f13f242..a40cf96 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -1241,6 +1241,19 @@
     public static final String ACTION_SHOW_ADMIN_SUPPORT_DETAILS
             = "android.settings.SHOW_ADMIN_SUPPORT_DETAILS";
 
+    /**
+     * Activity Action: Show a dialog for remote bugreport flow.
+     * <p>
+     * Input: Nothing.
+     * <p>
+     * Output: Nothing.
+     *
+     * @hide
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_SHOW_REMOTE_BUGREPORT_DIALOG
+            = "android.settings.SHOW_REMOTE_BUGREPORT_DIALOG";
+
     // End of Intent actions for Settings
 
     /**
diff --git a/core/java/android/service/carrier/CarrierMessagingService.java b/core/java/android/service/carrier/CarrierMessagingService.java
index f5396a3..140341c 100644
--- a/core/java/android/service/carrier/CarrierMessagingService.java
+++ b/core/java/android/service/carrier/CarrierMessagingService.java
@@ -51,6 +51,30 @@
             = "android.service.carrier.CarrierMessagingService";
 
     /**
+     * The default bitmask value passed to the callback of {@link #onReceiveTextSms} with all
+     * {@code RECEIVE_OPTIONS_x} flags cleared to indicate that the message should be kept and a
+     * new message notification should be shown.
+     *
+     * @see #RECEIVE_OPTIONS_DROP
+     * @see #RECEIVE_OPTIONS_SKIP_NOTIFY_WHEN_CREDENTIAL_ENCRYPTED_STORAGE_UNAVAILABLE
+     */
+    public static final int RECEIVE_OPTIONS_DEFAULT = 0;
+
+    /**
+     * Used to set the flag in the bitmask passed to the callback of {@link #onReceiveTextSms} to
+     * indicate that the inbound SMS should be dropped.
+     */
+    public static final int RECEIVE_OPTIONS_DROP = 0x1;
+
+    /**
+     * Used to set the flag in the bitmask passed to the callback of {@link #onReceiveTextSms} to
+     * indicate that a new message notification should not be shown to the user when the
+     * credential-encrypted storage of the device is not available before the user unlocks the
+     * phone. It is only applicable to devices that support file-based encryption.
+     */
+    public static final int RECEIVE_OPTIONS_SKIP_NOTIFY_WHEN_CREDENTIAL_ENCRYPTED_STORAGE_UNAVAILABLE = 0x2;
+
+    /**
      * Indicates that an SMS or MMS message was successfully sent.
      */
     public static final int SEND_STATUS_OK = 0;
@@ -96,7 +120,9 @@
      * @param subId SMS subscription ID of the SIM
      * @param callback result callback. Call with {@code true} to keep an inbound SMS message and
      *        deliver to SMS apps, and {@code false} to drop the message.
+     * @deprecated Use {@link #onReceiveTextSms} instead.
      */
+    @Deprecated
     public void onFilterSms(@NonNull MessagePdu pdu, @NonNull String format, int destPort,
             int subId, @NonNull ResultCallback<Boolean> callback) {
         // optional
@@ -107,6 +133,36 @@
     }
 
     /**
+     * Override this method to filter inbound SMS messages.
+     *
+     * <p>This method will be called once for every incoming text SMS. You can invoke the callback
+     * with a bitmask to tell the platform how to handle the SMS. For a SMS received on a
+     * file-based encryption capable device while the credential-encrypted storage is not available,
+     * this method will be called for the second time when the credential-encrypted storage becomes
+     * available after the user unlocks the phone, if the bit {@link #RECEIVE_OPTIONS_DROP} is not
+     * set when invoking the callback.
+     *
+     * @param pdu the PDUs of the message
+     * @param format the format of the PDUs, typically "3gpp" or "3gpp2"
+     * @param destPort the destination port of a binary SMS, this will be -1 for text SMS
+     * @param subId SMS subscription ID of the SIM
+     * @param callback result callback. Call with a bitmask integer to indicate how the incoming
+     *        text SMS should be handled by the platform. Use {@link #RECEIVE_OPTIONS_DROP} and
+     *        {@link #RECEIVE_OPTIONS_SKIP_NOTIFY_WHEN_CREDENTIAL_ENCRYPTED_STORAGE_UNAVAILABLE}
+     *        to set the flags in the bitmask.
+     */
+    public void onReceiveTextSms(@NonNull MessagePdu pdu, @NonNull String format,
+            int destPort, int subId, @NonNull final ResultCallback<Integer> callback) {
+        onFilterSms(pdu, format, destPort, subId, new ResultCallback<Boolean>() {
+            @Override
+            public void onReceiveResult(Boolean result) throws RemoteException {
+                callback.onReceiveResult(result ? RECEIVE_OPTIONS_DEFAULT : RECEIVE_OPTIONS_DROP
+                    | RECEIVE_OPTIONS_SKIP_NOTIFY_WHEN_CREDENTIAL_ENCRYPTED_STORAGE_UNAVAILABLE);
+            }
+        });
+    }
+
+    /**
      * Override this method to intercept text SMSs sent from the device.
      * @deprecated Override {@link #onSendTextSms} below instead.
      *
@@ -408,10 +464,11 @@
         @Override
         public void filterSms(MessagePdu pdu, String format, int destPort,
                               int subId, final ICarrierMessagingCallback callback) {
-            onFilterSms(pdu, format, destPort, subId, new ResultCallback<Boolean>() {
+            onReceiveTextSms(pdu, format, destPort, subId,
+                new ResultCallback<Integer>() {
                     @Override
-                    public void onReceiveResult(final Boolean result) throws RemoteException {
-                        callback.onFilterComplete(result);
+                    public void onReceiveResult(Integer options) throws RemoteException {
+                        callback.onFilterComplete(options);
                     }
                 });
         }
diff --git a/core/java/android/service/carrier/ICarrierMessagingCallback.aidl b/core/java/android/service/carrier/ICarrierMessagingCallback.aidl
index 6118a20..2753669 100644
--- a/core/java/android/service/carrier/ICarrierMessagingCallback.aidl
+++ b/core/java/android/service/carrier/ICarrierMessagingCallback.aidl
@@ -22,7 +22,7 @@
  * @hide
  */
 oneway interface ICarrierMessagingCallback {
-    void onFilterComplete(boolean keepMessage);
+    void onFilterComplete(int result);
     void onSendSmsComplete(int result, int messageRef);
     void onSendMultipartSmsComplete(int result, in int[] messageRefs);
     void onSendMmsComplete(int result, in byte[] sendConfPdu);
diff --git a/core/java/android/text/method/BaseKeyListener.java b/core/java/android/text/method/BaseKeyListener.java
index e79dfca..3564e11 100644
--- a/core/java/android/text/method/BaseKeyListener.java
+++ b/core/java/android/text/method/BaseKeyListener.java
@@ -16,6 +16,7 @@
 
 package android.text.method;
 
+import android.graphics.Paint;
 import android.icu.lang.UCharacter;
 import android.icu.lang.UProperty;
 import android.view.KeyEvent;
@@ -25,6 +26,8 @@
 import android.text.style.ReplacementSpan;
 import android.widget.TextView;
 
+import com.android.internal.annotations.GuardedBy;
+
 import java.text.BreakIterator;
 import java.util.Arrays;
 import java.util.Collections;
@@ -45,6 +48,11 @@
         implements KeyListener {
     /* package */ static final Object OLD_SEL_START = new NoCopySpan.Concrete();
 
+    private final Object mLock = new Object();
+
+    @GuardedBy("mLock")
+    static Paint sCachedPaint = null;
+
     /**
      * Performs the action that happens when you press the {@link KeyEvent#KEYCODE_DEL} key in
      * a {@link TextView}.  If there is a selection, deletes the selection; otherwise,
@@ -258,20 +266,15 @@
     }
 
     // Returns the end offset to be deleted by a forward delete key from the given offset.
-    private static int getOffsetForForwardDeleteKey(CharSequence text, int offset) {
+    private static int getOffsetForForwardDeleteKey(CharSequence text, int offset, Paint paint) {
         final int len = text.length();
 
         if (offset >= len - 1) {
             return len;
         }
 
-        int codePoint = Character.codePointAt(text, offset);
-        offset += Character.charCount(codePoint);
-        if (offset == len) {
-            return len;
-        }
-
-        // TODO: Handle emoji, combining chars, etc.
+        offset = paint.getTextRunCursor(text, offset, len, Paint.DIRECTION_LTR /* not used */,
+                offset, Paint.CURSOR_AFTER);
 
         return adjustReplacementSpan(text, offset, false /* move to the end */);
     }
@@ -311,7 +314,18 @@
         final int start = Selection.getSelectionEnd(content);
         final int end;
         if (isForwardDelete) {
-            end = getOffsetForForwardDeleteKey(content, start);
+            final Paint paint;
+            if (view instanceof TextView) {
+                paint = ((TextView)view).getPaint();
+            } else {
+                synchronized (mLock) {
+                    if (sCachedPaint == null) {
+                        sCachedPaint = new Paint();
+                    }
+                    paint = sCachedPaint;
+                }
+            }
+            end = getOffsetForForwardDeleteKey(content, start, paint);
         } else {
             end = getOffsetForBackspaceKey(content, start);
         }
diff --git a/core/java/android/text/util/Linkify.java b/core/java/android/text/util/Linkify.java
index fbd9924..bd376ea 100644
--- a/core/java/android/text/util/Linkify.java
+++ b/core/java/android/text/util/Linkify.java
@@ -224,7 +224,7 @@
         }
 
         if ((mask & EMAIL_ADDRESSES) != 0) {
-            gatherLinks(links, text, Patterns.EMAIL_ADDRESS,
+            gatherLinks(links, text, Patterns.AUTOLINK_EMAIL_ADDRESS,
                 new String[] { "mailto:" },
                 null, null);
         }
diff --git a/core/java/android/util/LocaleList.java b/core/java/android/util/LocaleList.java
index fc39004..fa3921c 100644
--- a/core/java/android/util/LocaleList.java
+++ b/core/java/android/util/LocaleList.java
@@ -478,8 +478,6 @@
     /**
      * Returns the default locale list, adjusted by moving the default locale to its first
      * position.
-     *
-     * {@hide}
      */
     @NonNull @Size(min=1)
     public static LocaleList getAdjustedDefault() {
diff --git a/core/java/android/util/Patterns.java b/core/java/android/util/Patterns.java
index 9f2bcfd..9ed4850 100644
--- a/core/java/android/util/Patterns.java
+++ b/core/java/android/util/Patterns.java
@@ -394,6 +394,36 @@
     public static final Pattern AUTOLINK_WEB_URL = Pattern.compile(
             "(" + WEB_URL_WITH_PROTOCOL + "|" + WEB_URL_WITHOUT_PROTOCOL + ")");
 
+    /**
+     * Regular expression for valid email characters. Does not include some of the valid characters
+     * defined in RFC5321: #&~!^`{}/=$*?|
+     */
+    private static final String EMAIL_CHAR = LABEL_CHAR + "\\+\\-_%'";
+
+    /**
+     * Regular expression for local part of an email address. RFC5321 section 4.5.3.1.1 limits
+     * the local part to be at most 64 octets.
+     */
+    private static final String EMAIL_ADDRESS_LOCAL_PART =
+            "[" + EMAIL_CHAR + "]" + "(?:[" + EMAIL_CHAR + "\\.]{1,62}[" + EMAIL_CHAR + "])?";
+
+    /**
+     * Regular expression for the domain part of an email address. RFC5321 section 4.5.3.1.2 limits
+     * the domain to be at most 255 octets.
+     */
+    private static final String EMAIL_ADDRESS_DOMAIN =
+            "(?=.{1,255}(?:\\s|$|^))" + HOST_NAME;
+
+    /**
+     * Regular expression pattern to match email addresses. It excludes double quoted local parts
+     * and the special characters #&~!^`{}/=$*?| that are included in RFC5321.
+     * @hide
+     */
+    public static final Pattern AUTOLINK_EMAIL_ADDRESS = Pattern.compile("(" + WORD_BOUNDARY +
+            "(?:" + EMAIL_ADDRESS_LOCAL_PART + "@" + EMAIL_ADDRESS_DOMAIN + ")" +
+            WORD_BOUNDARY + ")"
+    );
+
     public static final Pattern EMAIL_ADDRESS
         = Pattern.compile(
             "[a-zA-Z0-9\\+\\.\\_\\%\\-\\+]{1,256}" +
diff --git a/core/java/android/util/apk/ApkSignatureSchemeV2Verifier.java b/core/java/android/util/apk/ApkSignatureSchemeV2Verifier.java
index 728f723..60c7270 100644
--- a/core/java/android/util/apk/ApkSignatureSchemeV2Verifier.java
+++ b/core/java/android/util/apk/ApkSignatureSchemeV2Verifier.java
@@ -75,6 +75,36 @@
     public static final int SF_ATTRIBUTE_ANDROID_APK_SIGNED_ID = 2;
 
     /**
+     * Returns {@code true} if the provided APK contains an APK Signature Scheme V2
+     * signature. The signature will not be verified.
+     */
+    public static boolean hasSignature(String apkFile) throws IOException {
+        try (RandomAccessFile apk = new RandomAccessFile(apkFile, "r")) {
+            long fileSize = apk.length();
+            if (fileSize > Integer.MAX_VALUE) {
+                return false;
+            }
+            MappedByteBuffer apkContents =
+                    apk.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, fileSize);
+            // ZipUtils and APK Signature Scheme v2 verifier expect little-endian byte order.
+            apkContents.order(ByteOrder.LITTLE_ENDIAN);
+
+            final int centralDirOffset =
+                    (int) getCentralDirOffset(apkContents, getEocdOffset(apkContents));
+            // Find the APK Signing Block.
+            int apkSigningBlockOffset = findApkSigningBlock(apkContents, centralDirOffset);
+            ByteBuffer apkSigningBlock =
+                    sliceFromTo(apkContents, apkSigningBlockOffset, centralDirOffset);
+
+            // Find the APK Signature Scheme v2 Block inside the APK Signing Block.
+            findApkSignatureSchemeV2Block(apkSigningBlock);
+            return true;
+        } catch (SignatureNotFoundException e) {
+        }
+        return false;
+    }
+
+    /**
      * Verifies APK Signature Scheme v2 signatures of the provided APK and returns the certificates
      * associated with each signer.
      *
@@ -130,31 +160,8 @@
         // ZipUtils and APK Signature Scheme v2 verifier expect little-endian byte order.
         apkContents.order(ByteOrder.LITTLE_ENDIAN);
 
-        // Find the offset of ZIP End of Central Directory (EoCD)
-        int eocdOffset = ZipUtils.findZipEndOfCentralDirectoryRecord(apkContents);
-        if (eocdOffset == -1) {
-            throw new SignatureNotFoundException(
-                    "Not an APK file: ZIP End of Central Directory record not found");
-        }
-        if (ZipUtils.isZip64EndOfCentralDirectoryLocatorPresent(apkContents, eocdOffset)) {
-            throw new SignatureNotFoundException("ZIP64 APK not supported");
-        }
-        ByteBuffer eocd = sliceFromTo(apkContents, eocdOffset, apkContents.capacity());
-
-        // Look up the offset of ZIP Central Directory.
-        long centralDirOffsetLong = ZipUtils.getZipEocdCentralDirectoryOffset(eocd);
-        if (centralDirOffsetLong >= eocdOffset) {
-            throw new SignatureNotFoundException(
-                    "ZIP Central Directory offset out of range: " + centralDirOffsetLong
-                    + ". ZIP End of Central Directory offset: " + eocdOffset);
-        }
-        long centralDirSizeLong = ZipUtils.getZipEocdCentralDirectorySizeBytes(eocd);
-        if (centralDirOffsetLong + centralDirSizeLong != eocdOffset) {
-            throw new SignatureNotFoundException(
-                    "ZIP Central Directory is not immediately followed by End of Central"
-                    + " Directory");
-        }
-        int centralDirOffset = (int) centralDirOffsetLong;
+        final int eocdOffset = getEocdOffset(apkContents);
+        final int centralDirOffset = (int) getCentralDirOffset(apkContents, eocdOffset);
 
         // Find the APK Signing Block.
         int apkSigningBlockOffset = findApkSigningBlock(apkContents, centralDirOffset);
@@ -499,6 +506,43 @@
         return result;
     }
 
+    /**
+     * Finds the offset of ZIP End of Central Directory (EoCD).
+     *
+     * @throws SignatureNotFoundException If the EoCD could not be found
+     */
+    private static int getEocdOffset(ByteBuffer apkContents) throws SignatureNotFoundException {
+        int eocdOffset = ZipUtils.findZipEndOfCentralDirectoryRecord(apkContents);
+        if (eocdOffset == -1) {
+            throw new SignatureNotFoundException(
+                    "Not an APK file: ZIP End of Central Directory record not found");
+        }
+        return eocdOffset;
+    }
+
+    private static long getCentralDirOffset(ByteBuffer apkContents, int eocdOffset)
+            throws SignatureNotFoundException {
+        if (ZipUtils.isZip64EndOfCentralDirectoryLocatorPresent(apkContents, eocdOffset)) {
+            throw new SignatureNotFoundException("ZIP64 APK not supported");
+        }
+        ByteBuffer eocd = sliceFromTo(apkContents, eocdOffset, apkContents.capacity());
+
+        // Look up the offset of ZIP Central Directory.
+        long centralDirOffsetLong = ZipUtils.getZipEocdCentralDirectoryOffset(eocd);
+        if (centralDirOffsetLong >= eocdOffset) {
+            throw new SignatureNotFoundException(
+                    "ZIP Central Directory offset out of range: " + centralDirOffsetLong
+                    + ". ZIP End of Central Directory offset: " + eocdOffset);
+        }
+        long centralDirSizeLong = ZipUtils.getZipEocdCentralDirectorySizeBytes(eocd);
+        if (centralDirOffsetLong + centralDirSizeLong != eocdOffset) {
+            throw new SignatureNotFoundException(
+                    "ZIP Central Directory is not immediately followed by End of Central"
+                    + " Directory");
+        }
+        return centralDirOffsetLong;
+    }
+
     private static final int getChunkCount(int inputSizeBytes) {
         return (inputSizeBytes + CHUNK_SIZE_BYTES - 1) / CHUNK_SIZE_BYTES;
     }
diff --git a/core/java/android/view/IWindowManager.aidl b/core/java/android/view/IWindowManager.aidl
index 9543acf..8048301 100644
--- a/core/java/android/view/IWindowManager.aidl
+++ b/core/java/android/view/IWindowManager.aidl
@@ -167,7 +167,7 @@
             in CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
             int icon, int logo, int windowFlags, IBinder transferFrom, boolean createIfNeeded);
     void setAppVisibility(IBinder token, boolean visible);
-    void notifyAppStopped(IBinder token);
+    void notifyAppStopped(IBinder token, boolean stopped);
     void startAppFreezingScreen(IBinder token, int configChanges);
     void stopAppFreezingScreen(IBinder token, boolean force);
     void removeAppToken(IBinder token);
diff --git a/core/java/android/widget/EditText.java b/core/java/android/widget/EditText.java
index 1d242d3..434e3eb 100644
--- a/core/java/android/widget/EditText.java
+++ b/core/java/android/widget/EditText.java
@@ -117,6 +117,16 @@
         Selection.extendSelection(getText(), index);
     }
 
+    /**
+     * Causes words in the text that are longer than the view's width to be ellipsized instead of
+     * broken in the middle. {@link TextUtils.TruncateAt#MARQUEE
+     * TextUtils.TruncateAt#MARQUEE} is not supported.
+     *
+     * @param ellipsis Type of ellipsis to be applied.
+     * @throws IllegalArgumentException When the value of <code>ellipsis</code> parameter is
+     *      {@link TextUtils.TruncateAt#MARQUEE}.
+     * @see TextView#setEllipsize(TextUtils.TruncateAt)
+     */
     @Override
     public void setEllipsize(TextUtils.TruncateAt ellipsis) {
         if (ellipsis == TextUtils.TruncateAt.MARQUEE) {
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 881e5cd..0e34067 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -215,7 +215,7 @@
 
     boolean mInBatchEditControllers;
     boolean mShowSoftInputOnFocus = true;
-    boolean mPreserveDetachedSelection;
+    private boolean mPreserveDetachedSelection;
     boolean mTemporaryDetach;
 
     boolean mIsBeingLongClicked;
@@ -352,7 +352,6 @@
 
     void replace() {
         int middle = (mTextView.getSelectionStart() + mTextView.getSelectionEnd()) / 2;
-        stopTextActionMode();
         Selection.setSelection((Spannable) mTextView.getText(), middle);
         showSuggestions();
     }
@@ -429,10 +428,8 @@
             mSpellChecker = null;
         }
 
-        mPreserveDetachedSelection = true;
         hideCursorAndSpanControllers();
-        stopTextActionMode();
-        mPreserveDetachedSelection = false;
+        stopTextActionModeWithPreservingSelection();
         mTemporaryDetach = false;
     }
 
@@ -1104,7 +1101,6 @@
                 mInsertionControllerEnabled) {
             final int offset = mTextView.getOffsetForPosition(mLastDownPositionX,
                     mLastDownPositionY);
-            stopTextActionMode();
             Selection.setSelection((Spannable) mTextView.getText(), offset);
             getInsertionController().show();
             mIsInsertionActionModeStartPending = true;
@@ -1208,18 +1204,15 @@
             mTextView.onEndBatchEdit();
 
             if (mTextView.isInExtractedMode()) {
-                // terminateTextSelectionMode removes selection, which we want to keep when
-                // ExtractEditText goes out of focus.
-                final int selStart = mTextView.getSelectionStart();
-                final int selEnd = mTextView.getSelectionEnd();
                 hideCursorAndSpanControllers();
-                stopTextActionMode();
-                Selection.setSelection((Spannable) mTextView.getText(), selStart, selEnd);
+                stopTextActionModeWithPreservingSelection();
             } else {
-                if (mTemporaryDetach) mPreserveDetachedSelection = true;
                 hideCursorAndSpanControllers();
-                stopTextActionMode();
-                if (mTemporaryDetach) mPreserveDetachedSelection = false;
+                if (mTemporaryDetach) {
+                    stopTextActionModeWithPreservingSelection();
+                } else {
+                    stopTextActionMode();
+                }
                 downgradeEasyCorrectionSpans();
             }
             // No need to create the controller
@@ -1290,10 +1283,8 @@
                 makeBlink();
             }
             final InputMethodManager imm = InputMethodManager.peekInstance();
-            final boolean immFullScreen = (imm != null && imm.isFullscreenMode());
-            if (mSelectionModifierCursorController != null && mTextView.hasSelection()
-                    && !immFullScreen && mTextActionMode != null) {
-                mSelectionModifierCursorController.show();
+            if (mTextView.hasSelection() && !extractedTextModeWillBeStarted()) {
+                startSelectionActionMode();
             }
         } else {
             if (mBlink != null) {
@@ -1304,9 +1295,7 @@
             }
             // Order matters! Must be done before onParentLostFocus to rely on isShowingUp
             hideCursorAndSpanControllers();
-            if (mSelectionModifierCursorController != null) {
-                mSelectionModifierCursorController.hide();
-            }
+            stopTextActionModeWithPreservingSelection();
             if (mSuggestionsPopupWindow != null) {
                 mSuggestionsPopupWindow.onParentLostFocus();
             }
@@ -1856,6 +1845,38 @@
         }
     }
 
+    void refreshTextActionMode() {
+        if (extractedTextModeWillBeStarted()) {
+            return;
+        }
+        final boolean hasSelection = mTextView.hasSelection();
+        final SelectionModifierCursorController selectionController = getSelectionController();
+        final InsertionPointCursorController insertionController = getInsertionController();
+        if ((selectionController != null && selectionController.isCursorBeingModified())
+                || (insertionController != null && insertionController.isCursorBeingModified())) {
+            // ActionMode should be managed by the currently active cursor controller.
+            return;
+        }
+        if (hasSelection) {
+            if (mTextActionMode == null || selectionController == null
+                    || !selectionController.isActive()) {
+                // Avoid dismissing the selection if it exists.
+                stopTextActionModeWithPreservingSelection();
+                startSelectionActionMode();
+            } else {
+                mTextActionMode.invalidateContentRect();
+            }
+        } else {
+            // Insertion action mode is started only when insertion controller is explicitly
+            // activated.
+            if (insertionController == null || !insertionController.isActive()) {
+                stopTextActionMode();
+            } else if (mTextActionMode != null) {
+                mTextActionMode.invalidateContentRect();
+            }
+        }
+    }
+
     /**
      * Start an Insertion action mode.
      */
@@ -1879,17 +1900,15 @@
 
     /**
      * Starts a Selection Action Mode with the current selection and ensures the selection handles
-     * are shown if there is a selection, otherwise the insertion handle is shown. This should be
-     * used when the mode is started from a non-touch event.
+     * are shown if there is a selection. This should be used when the mode is started from a
+     * non-touch event.
      *
      * @return true if the selection mode was actually started.
      */
-    boolean startSelectionActionMode() {
+    private boolean startSelectionActionMode() {
         boolean selectionStarted = startSelectionActionModeInternal();
         if (selectionStarted) {
             getSelectionController().show();
-        } else if (getInsertionController() != null) {
-            getInsertionController().show();
         }
         return selectionStarted;
     }
@@ -1907,66 +1926,52 @@
         if (extractedTextModeWillBeStarted()) {
             return false;
         }
-        if (mTextActionMode != null) {
-            mTextActionMode.finish();
-        }
-        if (!checkFieldAndSelectCurrentWord()) {
+        if (!checkField()) {
             return false;
         }
-
-        // Avoid dismissing the selection if it exists.
-        mPreserveDetachedSelection = true;
-        stopTextActionMode();
-        mPreserveDetachedSelection = false;
-
+        if (!mTextView.hasSelection() && !selectCurrentWord()) {
+            // No selection and cannot select a word.
+            return false;
+        }
+        stopTextActionModeWithPreservingSelection();
         getSelectionController().enterDrag(
                 SelectionModifierCursorController.DRAG_ACCELERATOR_MODE_WORD);
         return true;
     }
 
     /**
-     * Checks whether a selection can be performed on the current TextView and if so selects
-     * the current word.
+     * Checks whether a selection can be performed on the current TextView.
      *
-     * @return true if there already was a selection or if the current word was selected.
+     * @return true if a selection can be performed
      */
-    boolean checkFieldAndSelectCurrentWord() {
+    boolean checkField() {
         if (!mTextView.canSelectText() || !mTextView.requestFocus()) {
             Log.w(TextView.LOG_TAG,
                     "TextView does not support text selection. Selection cancelled.");
             return false;
         }
-
-        if (!mTextView.hasSelection()) {
-            // There may already be a selection on device rotation
-            return selectCurrentWord();
-        }
         return true;
     }
 
     private boolean startSelectionActionModeInternal() {
+        if (extractedTextModeWillBeStarted()) {
+            return false;
+        }
         if (mTextActionMode != null) {
             // Text action mode is already started
             mTextActionMode.invalidate();
             return false;
         }
 
-        if (!checkFieldAndSelectCurrentWord()) {
+        if (!checkField() || !mTextView.hasSelection()) {
             return false;
         }
 
-        boolean willExtract = extractedTextModeWillBeStarted();
+        ActionMode.Callback actionModeCallback =
+                new TextActionModeCallback(true /* hasSelection */);
+        mTextActionMode = mTextView.startActionMode(actionModeCallback, ActionMode.TYPE_FLOATING);
 
-        // Do not start the action mode when extracted text will show up full screen, which would
-        // immediately hide the newly created action bar and would be visually distracting.
-        if (!willExtract) {
-            ActionMode.Callback actionModeCallback =
-                    new TextActionModeCallback(true /* hasSelection */);
-            mTextActionMode = mTextView.startActionMode(
-                    actionModeCallback, ActionMode.TYPE_FLOATING);
-        }
-
-        final boolean selectionStarted = mTextActionMode != null || willExtract;
+        final boolean selectionStarted = mTextActionMode != null;
         if (selectionStarted && !mTextView.isTextSelectable() && mShowSoftInputOnFocus) {
             // Show the IME to be able to replace text, except when selecting non editable text.
             final InputMethodManager imm = InputMethodManager.peekInstance();
@@ -2107,6 +2112,12 @@
         }
     }
 
+    private void stopTextActionModeWithPreservingSelection() {
+        mPreserveDetachedSelection = true;
+        stopTextActionMode();
+        mPreserveDetachedSelection = false;
+    }
+
     /**
      * @return True if this view supports insertion handles.
      */
@@ -2436,16 +2447,14 @@
         if (offset == -1) {
             return;
         }
-        mPreserveDetachedSelection = true;
-        stopTextActionMode();
-        mPreserveDetachedSelection = false;
+        stopTextActionModeWithPreservingSelection();
         final boolean isOnSelection = mTextView.hasSelection()
                 && offset >= mTextView.getSelectionStart() && offset <= mTextView.getSelectionEnd();
         if (!isOnSelection) {
             // Right clicked position is not on the selection. Remove the selection and move the
             // cursor to the right clicked position.
-            stopTextActionMode();
             Selection.setSelection((Spannable) mTextView.getText(), offset);
+            stopTextActionMode();
         }
 
         if (shouldOfferToShowSuggestions()) {
@@ -2509,8 +2518,37 @@
         mPreserveDetachedSelection = true;
     }
 
-    private void replaceWithSuggestion(SuggestionInfo suggestionInfo, int spanStart, int spanEnd) {
+    private void replaceWithSuggestion(final SuggestionInfo suggestionInfo) {
         final Editable editable = (Editable) mTextView.getText();
+        if (editable.getSpanStart(suggestionInfo.mSuggestionSpan) < 0) {
+            // Suggestion span coundn't be found. Try to find a suggestion span that has the same
+            // contents.
+            final SuggestionSpan[] suggestionSpans = editable.getSpans(
+                    suggestionInfo.mSuggestionSpanStart, suggestionInfo.mSuggestionSpanEnd,
+                    SuggestionSpan.class);
+            for (final SuggestionSpan suggestionSpan : suggestionSpans) {
+                final int spanStart = editable.getSpanStart(suggestionSpan);
+                if (spanStart != suggestionInfo.mSuggestionSpanStart) {
+                    continue;
+                }
+                int spanEnd = editable.getSpanEnd(suggestionSpan);
+                if (spanEnd != suggestionInfo.mSuggestionSpanEnd) {
+                    continue;
+                }
+                if (suggestionSpan.equals(suggestionInfo.mSuggestionSpan)) {
+                    // Found.
+                    suggestionInfo.mSuggestionSpan = suggestionSpan;
+                    break;
+                }
+            }
+        }
+        final int spanStart = editable.getSpanStart(suggestionInfo.mSuggestionSpan);
+        final int spanEnd = editable.getSpanEnd(suggestionInfo.mSuggestionSpan);
+        if (spanStart < 0 || spanEnd <= spanStart) {
+            // Span has been removed
+            return;
+        }
+
         final String originalText = TextUtils.substring(editable, spanStart, spanEnd);
         // SuggestionSpans are removed by replace: save them before
         SuggestionSpan[] suggestionSpans = editable.getSpans(spanStart, spanEnd,
@@ -2584,11 +2622,7 @@
                 clear();
                 return false;
             }
-            final Spannable spannable = (Spannable) mTextView.getText();
-            final SuggestionSpan suggestionSpan =
-                    mSuggestionInfosInContextMenu[index].mSuggestionSpan;
-            replaceWithSuggestion(mSuggestionInfosInContextMenu[index],
-                    spannable.getSpanStart(suggestionSpan), spannable.getSpanEnd(suggestionSpan));
+            replaceWithSuggestion(mSuggestionInfosInContextMenu[index]);
             clear();
             return true;
         }
@@ -3019,13 +3053,19 @@
     }
 
     private static class SuggestionInfo {
-        // Range of actual suggestion within text
+        // Range of actual suggestion within mText
         int mSuggestionStart, mSuggestionEnd;
 
         // The SuggestionSpan that this TextView represents
         @Nullable
         SuggestionSpan mSuggestionSpan;
 
+        // The SuggestionSpan start position
+        int mSuggestionSpanStart;
+
+        // The SuggestionSpan end position
+        int mSuggestionSpanEnd;
+
         // The index of this suggestion inside suggestionSpan
         int mSuggestionIndex;
 
@@ -3132,6 +3172,8 @@
                     suggestionInfo.mSuggestionIndex = suggestionIndex;
                     suggestionInfo.mSuggestionStart = 0;
                     suggestionInfo.mSuggestionEnd = suggestion.length();
+                    suggestionInfo.mSuggestionSpanStart = spanStart;
+                    suggestionInfo.mSuggestionSpanEnd = spanEnd;
                     suggestionInfo.mText.replace(0, suggestionInfo.mText.length(), suggestion);
                     numberOfSuggestions++;
                     if (numberOfSuggestions >= suggestionInfos.length) {
@@ -3160,6 +3202,7 @@
                 mTextView.getContext(), mTextView.mTextEditSuggestionHighlightStyle);
         private TextView mAddToDictionaryButton;
         private TextView mDeleteButton;
+        private ListView mSuggestionListView;
         private SuggestionSpan mMisspelledSpan;
         private int mContainerMarginWidth;
         private int mContainerMarginTop;
@@ -3177,7 +3220,7 @@
                 ((Spannable) mTextView.getText()).removeSpan(mSuggestionRangeSpan);
 
                 mTextView.setCursorVisible(mCursorWasVisibleBeforeSuggestions);
-                if (hasInsertionController()) {
+                if (hasInsertionController() && !extractedTextModeWillBeStarted()) {
                     getInsertionController().show();
                 }
             }
@@ -3213,12 +3256,12 @@
             mClippingLimitLeft = lp.leftMargin;
             mClippingLimitRight = lp.rightMargin;
 
-            final ListView suggestionListView = (ListView) relativeLayout.findViewById(
+            mSuggestionListView = (ListView) relativeLayout.findViewById(
                     com.android.internal.R.id.suggestionContainer);
 
             mSuggestionsAdapter = new SuggestionAdapter();
-            suggestionListView.setAdapter(mSuggestionsAdapter);
-            suggestionListView.setOnItemClickListener(this);
+            mSuggestionListView.setAdapter(mSuggestionsAdapter);
+            mSuggestionListView.setOnItemClickListener(this);
 
             // Inflate the suggestion items once and for all.
             mSuggestionInfos = new SuggestionInfo[MAX_NUMBER_SUGGESTIONS];
@@ -3327,6 +3370,9 @@
         @Override
         public void show() {
             if (!(mTextView.getText() instanceof Editable)) return;
+            if (extractedTextModeWillBeStarted()) {
+                return;
+            }
 
             if (updateSuggestions()) {
                 mCursorWasVisibleBeforeSuggestions = mCursorVisible;
@@ -3374,6 +3420,7 @@
                 popupBackground.getPadding(mTempRect);
                 width += mTempRect.left + mTempRect.right;
             }
+            mSuggestionListView.getLayoutParams().width = width;
             mPopupWindow.setWidth(width);
         }
 
@@ -3420,10 +3467,8 @@
                 if ((suggestionSpan.getFlags() & SuggestionSpan.FLAG_MISSPELLED) != 0) {
                     mMisspelledSpan = suggestionSpan;
                 }
-                final int spanStart = spannable.getSpanStart(suggestionSpan);
-                final int spanEnd = spannable.getSpanEnd(suggestionSpan);
-                spanUnionStart = Math.min(spanUnionStart, spanStart);
-                spanUnionEnd = Math.max(spanUnionEnd, spanEnd);
+                spanUnionStart = Math.min(spanUnionStart, suggestionInfo.mSuggestionSpanStart);
+                spanUnionEnd = Math.max(spanUnionEnd, suggestionInfo.mSuggestionSpanEnd);
             }
 
             for (int i = 0; i < mNumberOfSuggestions; i++) {
@@ -3462,8 +3507,8 @@
         private void highlightTextDifferences(SuggestionInfo suggestionInfo, int unionStart,
                 int unionEnd) {
             final Spannable text = (Spannable) mTextView.getText();
-            final int spanStart = text.getSpanStart(suggestionInfo.mSuggestionSpan);
-            final int spanEnd = text.getSpanEnd(suggestionInfo.mSuggestionSpan);
+            final int spanStart = suggestionInfo.mSuggestionSpanStart;
+            final int spanEnd = suggestionInfo.mSuggestionSpanEnd;
 
             // Adjust the start/end of the suggestion span
             suggestionInfo.mSuggestionStart = spanStart - unionStart;
@@ -3481,17 +3526,8 @@
 
         @Override
         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-            Editable editable = (Editable) mTextView.getText();
             SuggestionInfo suggestionInfo = mSuggestionInfos[position];
-
-            final int spanStart = editable.getSpanStart(suggestionInfo.mSuggestionSpan);
-            final int spanEnd = editable.getSpanEnd(suggestionInfo.mSuggestionSpan);
-            if (spanStart < 0 || spanEnd <= spanStart) {
-                // Span has been removed
-                hideWithCleanUp();
-                return;
-            }
-            replaceWithSuggestion(suggestionInfo, spanStart, spanEnd);
+            replaceWithSuggestion(suggestionInfo);
             hideWithCleanUp();
         }
     }
@@ -3624,8 +3660,7 @@
         }
 
         private void updateReplaceItem(Menu menu) {
-            boolean canReplace = mTextView.isSuggestionsEnabled() && shouldOfferToShowSuggestions()
-                    && !(mTextView.isInExtractedMode() && mTextView.hasSelection());
+            boolean canReplace = mTextView.isSuggestionsEnabled() && shouldOfferToShowSuggestions();
             boolean replaceItemExists = menu.findItem(TextView.ID_REPLACE) != null;
             if (canReplace && !replaceItemExists) {
                 menu.add(Menu.NONE, TextView.ID_REPLACE, MENU_ITEM_ORDER_REPLACE,
@@ -4386,7 +4421,7 @@
                         if (distanceSquared < touchSlop * touchSlop) {
                             // Tapping on the handle toggles the insertion action mode.
                             if (mTextActionMode != null) {
-                                mTextActionMode.finish();
+                                stopTextActionMode();
                             } else {
                                 startInsertionActionMode();
                             }
@@ -4803,6 +4838,10 @@
          * preventing the activity from being recycled.
          */
         public void onDetached();
+
+        public boolean isCursorBeingModified();
+
+        public boolean isActive();
     }
 
     private class InsertionPointCursorController implements CursorController {
@@ -4846,6 +4885,16 @@
 
             if (mHandle != null) mHandle.onDetached();
         }
+
+        @Override
+        public boolean isCursorBeingModified() {
+            return mHandle != null && mHandle.isDragging();
+        }
+
+        @Override
+        public boolean isActive() {
+            return mHandle != null && mHandle.isShowing();
+        }
     }
 
     class SelectionModifierCursorController implements CursorController {
@@ -5035,9 +5084,7 @@
 
                         if (mStartOffset != offset) {
                             // Start character based drag accelerator.
-                            if (mTextActionMode != null) {
-                                mTextActionMode.finish();
-                            }
+                            stopTextActionMode();
                             enterDrag(DRAG_ACCELERATOR_MODE_CHARACTER);
                             mDiscardNextActionUp = true;
                             mHaventMovedEnoughToStartDrag = false;
@@ -5111,9 +5158,7 @@
             if (mInsertionActionModeRunnable != null) {
                 mTextView.removeCallbacks(mInsertionActionModeRunnable);
             }
-            if (mTextActionMode != null) {
-                mTextActionMode.finish();
-            }
+            stopTextActionMode();
             if (!selectCurrentParagraph()) {
                 return false;
             }
@@ -5222,6 +5267,12 @@
             mStartOffset = -1;
             mDragAcceleratorMode = DRAG_ACCELERATOR_MODE_INACTIVE;
             mSwitchedLines = false;
+            final int selectionStart = mTextView.getSelectionStart();
+            final int selectionEnd = mTextView.getSelectionEnd();
+            if (selectionStart > selectionEnd) {
+                Selection.setSelection((Spannable) mTextView.getText(),
+                        selectionEnd, selectionStart);
+            }
         }
 
         /**
@@ -5231,6 +5282,12 @@
             return mStartHandle != null && mStartHandle.isDragging();
         }
 
+        @Override
+        public boolean isCursorBeingModified() {
+            return isDragAcceleratorActive() || isSelectionStartDragged()
+                    || (mEndHandle != null && mEndHandle.isDragging());
+        }
+
         /**
          * @return true if the user is selecting text using the drag accelerator.
          */
@@ -5252,6 +5309,11 @@
             if (mStartHandle != null) mStartHandle.onDetached();
             if (mEndHandle != null) mEndHandle.onDetached();
         }
+
+        @Override
+        public boolean isActive() {
+            return mStartHandle != null && mStartHandle.isShowing();
+        }
     }
 
     private class CorrectionHighlighter {
diff --git a/core/java/android/widget/ProgressBar.java b/core/java/android/widget/ProgressBar.java
index 2099b04..72a50ec1 100644
--- a/core/java/android/widget/ProgressBar.java
+++ b/core/java/android/widget/ProgressBar.java
@@ -17,21 +17,15 @@
 package android.widget;
 
 import android.animation.ObjectAnimator;
+import android.annotation.InterpolatorRes;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.graphics.PorterDuff;
-
-import android.util.FloatProperty;
-import android.util.IntProperty;
-import android.view.accessibility.AccessibilityNodeInfo;
-import com.android.internal.R;
-
-import android.annotation.InterpolatorRes;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
+import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.graphics.Shader;
 import android.graphics.drawable.Animatable;
@@ -46,6 +40,7 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.AttributeSet;
+import android.util.FloatProperty;
 import android.util.MathUtils;
 import android.util.Pools.SynchronizedPool;
 import android.view.Gravity;
@@ -55,6 +50,7 @@
 import android.view.ViewHierarchyEncoder;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
+import android.view.accessibility.AccessibilityNodeInfo;
 import android.view.animation.AlphaAnimation;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
@@ -63,6 +59,7 @@
 import android.view.animation.LinearInterpolator;
 import android.view.animation.Transformation;
 import android.widget.RemoteViews.RemoteView;
+import com.android.internal.R;
 
 import java.util.ArrayList;
 
@@ -606,15 +603,30 @@
 
             if (indeterminate) {
                 // swap between indeterminate and regular backgrounds
-                mCurrentDrawable = mIndeterminateDrawable;
+                swapCurrentDrawable(mIndeterminateDrawable);
                 startAnimation();
             } else {
-                mCurrentDrawable = mProgressDrawable;
+                swapCurrentDrawable(mProgressDrawable);
                 stopAnimation();
             }
         }
     }
 
+    private void swapCurrentDrawable(Drawable newDrawable) {
+        final Drawable oldDrawable = mCurrentDrawable;
+        mCurrentDrawable = newDrawable;
+        if (oldDrawable != mCurrentDrawable) {
+            if (oldDrawable != null) {
+                oldDrawable.setVisible(false, false);
+            }
+            if (mCurrentDrawable != null) {
+                mCurrentDrawable.setVisible(
+                        getVisibility() == VISIBLE && getWindowVisibility() == VISIBLE,
+                        false);
+            }
+        }
+    }
+
     /**
      * <p>Get the drawable used to draw the progress bar in
      * indeterminate mode.</p>
@@ -654,7 +666,7 @@
             }
 
             if (mIndeterminate) {
-                mCurrentDrawable = d;
+                swapCurrentDrawable(d);
                 postInvalidate();
             }
         }
@@ -820,7 +832,7 @@
             }
 
             if (!mIndeterminate) {
-                mCurrentDrawable = d;
+                swapCurrentDrawable(d);
                 postInvalidate();
             }
 
@@ -1555,7 +1567,7 @@
      * <p>Start the indeterminate progress animation.</p>
      */
     void startAnimation() {
-        if (getVisibility() != VISIBLE) {
+        if (getVisibility() != VISIBLE || getWindowVisibility() != VISIBLE) {
             return;
         }
 
@@ -1653,14 +1665,30 @@
     protected void onVisibilityChanged(View changedView, int visibility) {
         super.onVisibilityChanged(changedView, visibility);
 
+        updateVisibility();
+    }
+
+    @Override
+    protected void onWindowVisibilityChanged(@Visibility int visibility) {
+        super.onWindowVisibilityChanged(visibility);
+
+        updateVisibility();
+    }
+
+    private void updateVisibility() {
+        final boolean isVisible = getVisibility() == VISIBLE && getWindowVisibility() == VISIBLE;
         if (mIndeterminate) {
             // let's be nice with the UI thread
-            if (visibility == GONE || visibility == INVISIBLE) {
-                stopAnimation();
-            } else {
+            if (isVisible) {
                 startAnimation();
+            } else {
+                stopAnimation();
             }
         }
+
+        if (mCurrentDrawable != null) {
+            mCurrentDrawable.setVisible(isVisible, false);
+        }
     }
 
     @Override
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index f19bf02..73f8fdc 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -20,6 +20,7 @@
 import android.R;
 import android.annotation.ColorInt;
 import android.annotation.DrawableRes;
+import android.annotation.FloatRange;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.Size;
@@ -1510,6 +1511,9 @@
                 if (result != null) {
                     if (isTextEditable()) {
                         replaceSelectionWithText(result);
+                        if (mEditor != null) {
+                            mEditor.refreshTextActionMode();
+                        }
                     } else {
                         if (result.length() > 0) {
                             Toast.makeText(getContext(), String.valueOf(result), Toast.LENGTH_LONG)
@@ -1519,12 +1523,7 @@
                 }
             } else if (mText instanceof Spannable) {
                 // Reset the selection.
-                stopTextActionMode();
-                Selection.setSelection((Spannable) mText, getSelectionStart(), getSelectionEnd());
-            }
-
-            if (mEditor.hasSelectionController()) {
-                mEditor.startSelectionActionMode();
+                Selection.setSelection((Spannable) mText, getSelectionEnd());
             }
         }
     }
@@ -5392,11 +5391,7 @@
         // - onFocusChanged cannot start it when focus is given to a view with selected text (after
         //   a screen rotation) since layout is not yet initialized at that point.
         if (mEditor != null && mEditor.mCreatedWithASelection) {
-            if (mEditor.extractedTextModeWillBeStarted()) {
-                mEditor.checkFieldAndSelectCurrentWord();
-            } else {
-                mEditor.startSelectionActionMode();
-            }
+            mEditor.refreshTextActionMode();
             mEditor.mCreatedWithASelection = false;
         }
 
@@ -5835,8 +5830,7 @@
 
         final int layoutDirection = getLayoutDirection();
         final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection);
-        if (mEllipsize == TextUtils.TruncateAt.MARQUEE &&
-                mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) {
+        if (isMarqueeFadeEnabled()) {
             if (!mSingleLine && getLineCount() == 1 && canMarquee() &&
                     (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) {
                 final int width = mRight - mLeft;
@@ -6594,6 +6588,9 @@
         // in the extracted view.
         mEditor.hideCursorAndSpanControllers();
         stopTextActionMode();
+        if (mEditor.mSelectionModifierCursorController != null) {
+            mEditor.mSelectionModifierCursorController.resetTouchOffsets();
+        }
     }
 
     /**
@@ -7888,7 +7885,7 @@
     }
 
     /**
-     * Causes words in the text that are longer than the view is wide
+     * Causes words in the text that are longer than the view's width
      * to be ellipsized instead of broken in the middle.  You may also
      * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling}
      * to constrain the text to a single line.  Use <code>null</code>
@@ -8289,6 +8286,9 @@
                 if (newSelEnd < 0) {
                     newSelEnd = Selection.getSelectionEnd(buf);
                 }
+                if (mEditor != null) {
+                    mEditor.refreshTextActionMode();
+                }
                 onSelectionChanged(newSelStart, newSelEnd);
             }
         }
@@ -8616,78 +8616,59 @@
 
     @Override
     protected float getLeftFadingEdgeStrength() {
-        if (mEllipsize == TextUtils.TruncateAt.MARQUEE &&
-                mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) {
-            if (mMarquee != null && !mMarquee.isStopped()) {
-                final Marquee marquee = mMarquee;
-                if (marquee.shouldDrawLeftFade()) {
-                    final float scroll = marquee.getScroll();
-                    return scroll / getHorizontalFadingEdgeLength();
-                } else {
-                    return 0.0f;
-                }
-            } else if (getLineCount() == 1) {
-                final int layoutDirection = getLayoutDirection();
-                final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection);
-                switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
-                    case Gravity.LEFT:
-                        return 0.0f;
-                    case Gravity.RIGHT:
-                        return (mLayout.getLineRight(0) - (mRight - mLeft) -
-                                getCompoundPaddingLeft() - getCompoundPaddingRight() -
-                                mLayout.getLineLeft(0)) / getHorizontalFadingEdgeLength();
-                    case Gravity.CENTER_HORIZONTAL:
-                    case Gravity.FILL_HORIZONTAL:
-                        final int textDirection = mLayout.getParagraphDirection(0);
-                        if (textDirection == Layout.DIR_LEFT_TO_RIGHT) {
-                            return 0.0f;
-                        } else {
-                            return (mLayout.getLineRight(0) - (mRight - mLeft) -
-                                getCompoundPaddingLeft() - getCompoundPaddingRight() -
-                                mLayout.getLineLeft(0)) / getHorizontalFadingEdgeLength();
-                        }
-                }
+        if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) {
+            final Marquee marquee = mMarquee;
+            if (marquee.shouldDrawLeftFade()) {
+                return getHorizontalFadingEdgeStrength(marquee.getScroll(), 0.0f);
+            } else {
+                return 0.0f;
             }
+        } else if (getLineCount() == 1) {
+            final float lineLeft = getLayout().getLineLeft(0);
+            if(lineLeft > mScrollX) return 0.0f;
+            return getHorizontalFadingEdgeStrength(mScrollX, lineLeft);
         }
         return super.getLeftFadingEdgeStrength();
     }
 
     @Override
     protected float getRightFadingEdgeStrength() {
-        if (mEllipsize == TextUtils.TruncateAt.MARQUEE &&
-                mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) {
-            if (mMarquee != null && !mMarquee.isStopped()) {
-                final Marquee marquee = mMarquee;
-                final float maxFadeScroll = marquee.getMaxFadeScroll();
-                final float scroll = marquee.getScroll();
-                return (maxFadeScroll - scroll) / getHorizontalFadingEdgeLength();
-            } else if (getLineCount() == 1) {
-                final int layoutDirection = getLayoutDirection();
-                final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection);
-                switch (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
-                    case Gravity.LEFT:
-                        final int textWidth = (mRight - mLeft) - getCompoundPaddingLeft() -
-                                getCompoundPaddingRight();
-                        final float lineWidth = mLayout.getLineWidth(0);
-                        return (lineWidth - textWidth) / getHorizontalFadingEdgeLength();
-                    case Gravity.RIGHT:
-                        return 0.0f;
-                    case Gravity.CENTER_HORIZONTAL:
-                    case Gravity.FILL_HORIZONTAL:
-                        final int textDirection = mLayout.getParagraphDirection(0);
-                        if (textDirection == Layout.DIR_RIGHT_TO_LEFT) {
-                            return 0.0f;
-                        } else {
-                            return (mLayout.getLineWidth(0) - ((mRight - mLeft) -
-                                getCompoundPaddingLeft() - getCompoundPaddingRight())) /
-                                getHorizontalFadingEdgeLength();
-                        }
-                }
-            }
+        if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) {
+            final Marquee marquee = mMarquee;
+            return getHorizontalFadingEdgeStrength(marquee.getMaxFadeScroll(), marquee.getScroll());
+        } else if (getLineCount() == 1) {
+            final float rightEdge = mScrollX + (getWidth() - getCompoundPaddingLeft() -
+                    getCompoundPaddingRight());
+            final float lineRight = getLayout().getLineRight(0);
+            if(lineRight < rightEdge) return 0.0f;
+            return getHorizontalFadingEdgeStrength(rightEdge, lineRight);
         }
         return super.getRightFadingEdgeStrength();
     }
 
+    /**
+     * Calculates the fading edge strength as the ratio of the distance between two
+     * horizontal positions to {@link View#getHorizontalFadingEdgeLength()}. Uses the absolute
+     * value for the distance calculation.
+     *
+     * @param position1 A horizontal position.
+     * @param position2 A horizontal position.
+     * @return Fading edge strength between [0.0f, 1.0f].
+     */
+    @FloatRange(from=0.0, to=1.0)
+    private final float getHorizontalFadingEdgeStrength(float position1, float position2) {
+        final int horizontalFadingEdgeLength = getHorizontalFadingEdgeLength();
+        if(horizontalFadingEdgeLength == 0) return 0.0f;
+        final float diff = Math.abs(position1 - position2);
+        if(diff > horizontalFadingEdgeLength) return 1.0f;
+        return diff / horizontalFadingEdgeLength;
+    }
+
+    private final boolean isMarqueeFadeEnabled() {
+        return mEllipsize == TextUtils.TruncateAt.MARQUEE &&
+                mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS;
+    }
+
     @Override
     protected int computeHorizontalScrollRange() {
         if (mLayout != null) {
@@ -9218,10 +9199,6 @@
                     }
                     if (start >= 0 && start <= end && end <= text.length()) {
                         Selection.setSelection((Spannable) text, start, end);
-                        // Make sure selection mode is engaged.
-                        if (mEditor != null) {
-                            mEditor.startSelectionActionMode();
-                        }
                         return true;
                     }
                 }
@@ -9412,16 +9389,7 @@
 
         switch (id) {
             case ID_SELECT_ALL:
-                // This starts an action mode if triggered from another action mode. Text is
-                // highlighted, so that it can be bulk edited, like selectAllOnFocus does. Returns
-                // true even if text is empty.
-                boolean shouldRestartActionMode =
-                        mEditor != null && mEditor.mTextActionMode != null;
-                stopTextActionMode();
                 selectAllText();
-                if (shouldRestartActionMode) {
-                    mEditor.startSelectionActionMode();
-                }
                 return true;
 
             case ID_UNDO:
@@ -9447,7 +9415,6 @@
             case ID_CUT:
                 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max)));
                 deleteText_internal(min, max);
-                stopTextActionMode();
                 return true;
 
             case ID_COPY:
@@ -9703,12 +9670,6 @@
     }
 
     boolean selectAllText() {
-        // Need to hide insert point cursor controller before settings selection, otherwise insert
-        // point cursor controller obtains cursor update event and update cursor with cancelling
-        // selection.
-        if (mEditor != null) {
-            mEditor.hideInsertionPointCursorController();
-        }
         final int length = mText.length();
         Selection.setSelection((Spannable) mText, 0, length);
         return length > 0;
@@ -9747,7 +9708,6 @@
                     }
                 }
             }
-            stopTextActionMode();
             sLastCutCopyOrTextChangedTime = 0;
         }
     }
@@ -9760,7 +9720,7 @@
             sharingIntent.removeExtra(android.content.Intent.EXTRA_TEXT);
             sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, selectedText);
             getContext().startActivity(Intent.createChooser(sharingIntent, null));
-            stopTextActionMode();
+            Selection.setSelection((Spannable) mText, getSelectionEnd());
         }
     }
 
@@ -10078,6 +10038,12 @@
                 && getAccessibilitySelectionEnd() == end) {
             return;
         }
+        CharSequence text = getIterableTextForAccessibility();
+        if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) {
+            Selection.setSelection((Spannable) text, start, end);
+        } else {
+            Selection.removeSelection((Spannable) text);
+        }
         // Hide all selection controllers used for adjusting selection
         // since we are doing so explicitlty by other means and these
         // controllers interact with how selection behaves.
@@ -10085,12 +10051,6 @@
             mEditor.hideCursorAndSpanControllers();
             mEditor.stopTextActionMode();
         }
-        CharSequence text = getIterableTextForAccessibility();
-        if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) {
-            Selection.setSelection((Spannable) text, start, end);
-        } else {
-            Selection.removeSelection((Spannable) text);
-        }
     }
 
     /** @hide */
diff --git a/core/java/com/android/internal/app/LocaleHelper.java b/core/java/com/android/internal/app/LocaleHelper.java
index aca93ab..d8d6e56 100644
--- a/core/java/com/android/internal/app/LocaleHelper.java
+++ b/core/java/com/android/internal/app/LocaleHelper.java
@@ -180,14 +180,16 @@
      */
     public static final class LocaleInfoComparator implements Comparator<LocaleStore.LocaleInfo> {
         private final Collator mCollator;
+        private final boolean mCountryMode;
 
         /**
          * Constructor.
          *
          * @param sortLocale the locale to be used for sorting.
          */
-        public LocaleInfoComparator(Locale sortLocale) {
+        public LocaleInfoComparator(Locale sortLocale, boolean countryMode) {
             mCollator = Collator.getInstance(sortLocale);
+            mCountryMode = countryMode;
         }
 
         /**
@@ -202,9 +204,9 @@
         public int compare(LocaleStore.LocaleInfo lhs, LocaleStore.LocaleInfo rhs) {
             // We don't care about the various suggestion types, just "suggested" (!= 0)
             // and "all others" (== 0)
-            if (lhs.isSuggested() == rhs.isSuggested()) {
+            if (mCountryMode || (lhs.isSuggested() == rhs.isSuggested())) {
                 // They are in the same "bucket" (suggested / others), so we compare the text
-                return mCollator.compare(lhs.getLabel(), rhs.getLabel());
+                return mCollator.compare(lhs.getLabel(mCountryMode), rhs.getLabel(mCountryMode));
             } else {
                 // One locale is suggested and one is not, so we put them in different "buckets"
                 return lhs.isSuggested() ? -1 : 1;
diff --git a/core/java/com/android/internal/app/LocalePickerWithRegion.java b/core/java/com/android/internal/app/LocalePickerWithRegion.java
index 956ee8c..2ea225f 100644
--- a/core/java/com/android/internal/app/LocalePickerWithRegion.java
+++ b/core/java/com/android/internal/app/LocalePickerWithRegion.java
@@ -50,7 +50,6 @@
     private Set<LocaleStore.LocaleInfo> mLocaleList;
     private LocaleStore.LocaleInfo mParentLocale;
     private boolean mTranslatedOnly = false;
-    private boolean mCountryMode = false;
 
     /**
      * Other classes can register to be notified when a locale was selected.
@@ -70,15 +69,14 @@
             boolean translatedOnly) {
         LocalePickerWithRegion localePicker = new LocalePickerWithRegion();
         boolean shouldShowTheList = localePicker.setListener(context, listener, parent,
-                true /* country mode */, translatedOnly);
+                translatedOnly);
         return shouldShowTheList ? localePicker : null;
     }
 
     public static LocalePickerWithRegion createLanguagePicker(Context context,
             LocaleSelectedListener listener, boolean translatedOnly) {
         LocalePickerWithRegion localePicker = new LocalePickerWithRegion();
-        localePicker.setListener(context, listener, null,
-                false /* language mode */, translatedOnly);
+        localePicker.setListener(context, listener, /* parent */ null, translatedOnly);
         return localePicker;
     }
 
@@ -96,14 +94,7 @@
      * "pretending" it was selected, and return false.</p>
      */
     private boolean setListener(Context context, LocaleSelectedListener listener,
-            LocaleStore.LocaleInfo parent, boolean countryMode, boolean translatedOnly) {
-        if (countryMode && (parent == null || parent.getLocale() == null)) {
-            // The list of countries is determined as all the countries where the parent language
-            // is used.
-            throw new IllegalArgumentException("The country selection list needs a parent.");
-        }
-
-        this.mCountryMode = countryMode;
+            LocaleStore.LocaleInfo parent, boolean translatedOnly) {
         this.mParentLocale = parent;
         this.mListener = listener;
         this.mTranslatedOnly = translatedOnly;
@@ -116,7 +107,7 @@
             Collections.addAll(langTagsToIgnore, langTags);
         }
 
-        if (countryMode) {
+        if (parent != null) {
             mLocaleList = LocaleStore.getLevelLocales(context,
                     langTagsToIgnore, parent, translatedOnly);
             if (mLocaleList.size() <= 1) {
@@ -138,13 +129,11 @@
         super.onCreate(savedInstanceState);
         setHasOptionsMenu(true);
 
-        final Locale sortingLocale = (mCountryMode && mParentLocale != null)
-                ? mParentLocale.getLocale()
-                : Locale.getDefault();
-
-        mAdapter = new SuggestedLocaleAdapter(mLocaleList, mCountryMode);
+        final boolean countryMode = mParentLocale != null;
+        final Locale sortingLocale = countryMode ? mParentLocale.getLocale() : Locale.getDefault();
+        mAdapter = new SuggestedLocaleAdapter(mLocaleList, countryMode);
         final LocaleHelper.LocaleInfoComparator comp =
-                new LocaleHelper.LocaleInfoComparator(sortingLocale);
+                new LocaleHelper.LocaleInfoComparator(sortingLocale, countryMode);
         mAdapter.sort(comp);
         setListAdapter(mAdapter);
     }
@@ -164,12 +153,8 @@
     public void onResume() {
         super.onResume();
 
-        if (mCountryMode) {
-            if (mParentLocale == null) {
-                this.getActivity().setTitle(R.string.country_selection_title);
-            } else {
-                this.getActivity().setTitle(mParentLocale.getFullNameNative());
-            }
+        if (mParentLocale != null) {
+            this.getActivity().setTitle(mParentLocale.getFullNameNative());
         } else {
             this.getActivity().setTitle(R.string.language_selection_title);
         }
@@ -182,7 +167,7 @@
         final LocaleStore.LocaleInfo locale =
                 (LocaleStore.LocaleInfo) getListAdapter().getItem(position);
 
-        if (mCountryMode || locale.getParent() != null) {
+        if (locale.getParent() != null) {
             if (mListener != null) {
                 mListener.onLocaleSelected(locale);
             }
@@ -205,7 +190,7 @@
 
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        if (!mCountryMode) {
+        if (mParentLocale == null) {
             inflater.inflate(R.menu.language_selection_list, menu);
 
             MenuItem mSearchMenuItem = menu.findItem(R.id.locale_search_menu);
diff --git a/core/java/com/android/internal/app/LocaleStore.java b/core/java/com/android/internal/app/LocaleStore.java
index 465c4d8..c4e6675 100644
--- a/core/java/com/android/internal/app/LocaleStore.java
+++ b/core/java/com/android/internal/app/LocaleStore.java
@@ -145,11 +145,11 @@
             return mLangScriptKey;
         }
 
-        String getLabel() {
-            if (getParent() == null || this.isSuggestionOfType(SUGGESTION_TYPE_SIM)) {
-                return getFullNameNative();
-            } else {
+        String getLabel(boolean countryMode) {
+            if (countryMode) {
                 return getFullCountryNameNative();
+            } else {
+                return getFullNameNative();
             }
         }
 
@@ -311,9 +311,7 @@
             if (level == 2) {
                 if (parent != null) { // region selection
                     if (parentId.equals(li.getParent().toLanguageTag())) {
-                        if (!li.isSuggestionOfType(LocaleInfo.SUGGESTION_TYPE_SIM)) {
-                            result.add(li);
-                        }
+                        result.add(li);
                     }
                 } else { // language selection
                     if (li.isSuggestionOfType(LocaleInfo.SUGGESTION_TYPE_SIM)) {
diff --git a/core/java/com/android/internal/app/SuggestedLocaleAdapter.java b/core/java/com/android/internal/app/SuggestedLocaleAdapter.java
index 0d4a5aa..98102ea 100644
--- a/core/java/com/android/internal/app/SuggestedLocaleAdapter.java
+++ b/core/java/com/android/internal/app/SuggestedLocaleAdapter.java
@@ -156,7 +156,7 @@
 
                 TextView text = (TextView) convertView.findViewById(R.id.locale);
                 LocaleStore.LocaleInfo item = (LocaleStore.LocaleInfo) getItem(position);
-                text.setText(item.getLabel());
+                text.setText(item.getLabel(mCountryMode));
                 text.setTextLocale(item.getLocale());
                 if (mCountryMode) {
                     int layoutDir = TextUtils.getLayoutDirectionFromLocale(item.getParent());
@@ -171,6 +171,9 @@
     }
 
     private boolean showHeaders() {
+        if (mCountryMode) { // never show suggestions in country mode
+            return false;
+        }
         return mSuggestionCount != 0 && mSuggestionCount != mLocaleOptions.size();
     }
 
diff --git a/core/java/com/android/internal/inputmethod/InputMethodUtils.java b/core/java/com/android/internal/inputmethod/InputMethodUtils.java
index 4e48e45..f04bcf2 100644
--- a/core/java/com/android/internal/inputmethod/InputMethodUtils.java
+++ b/core/java/com/android/internal/inputmethod/InputMethodUtils.java
@@ -547,23 +547,25 @@
         LocaleUtils.filterByLanguage(keyboardSubtypes, sSubtypeToLocale, systemLocales,
                 applicableSubtypes);
 
-        boolean hasAsciiCapableKeyboard = false;
-        final int numApplicationSubtypes = applicableSubtypes.size();
-        for (int i = 0; i < numApplicationSubtypes; ++i) {
-            final InputMethodSubtype subtype = applicableSubtypes.get(i);
-            if (subtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) {
-                hasAsciiCapableKeyboard = true;
-                break;
+        if (!applicableSubtypes.isEmpty()) {
+            boolean hasAsciiCapableKeyboard = false;
+            final int numApplicationSubtypes = applicableSubtypes.size();
+            for (int i = 0; i < numApplicationSubtypes; ++i) {
+                final InputMethodSubtype subtype = applicableSubtypes.get(i);
+                if (subtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) {
+                    hasAsciiCapableKeyboard = true;
+                    break;
+                }
             }
-        }
-        if (!hasAsciiCapableKeyboard) {
-            final int numKeyboardSubtypes = keyboardSubtypes.size();
-            for (int i = 0; i < numKeyboardSubtypes; ++i) {
-                final InputMethodSubtype subtype = keyboardSubtypes.get(i);
-                final String mode = subtype.getMode();
-                if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey(
-                        TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) {
-                    applicableSubtypes.add(subtype);
+            if (!hasAsciiCapableKeyboard) {
+                final int numKeyboardSubtypes = keyboardSubtypes.size();
+                for (int i = 0; i < numKeyboardSubtypes; ++i) {
+                    final InputMethodSubtype subtype = keyboardSubtypes.get(i);
+                    final String mode = subtype.getMode();
+                    if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey(
+                            TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) {
+                        applicableSubtypes.add(subtype);
+                    }
                 }
             }
         }
diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/android/internal/os/ZygoteInit.java
index eb509c2..3abea26 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -499,11 +499,11 @@
 
         try {
             for (String classPathElement : classPathElements) {
+                // System server is fully AOTed and never profiled
+                // for profile guided compilation.
                 final int dexoptNeeded = DexFile.getDexOptNeeded(
-                        classPathElement, "*", instructionSet, false /* defer */);
+                        classPathElement, instructionSet, DexFile.COMPILATION_TYPE_FULL);
                 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
-                    // System server is fully AOTed and never profiled
-                    // for profile guided compilation.
                     installer.dexopt(classPathElement, Process.SYSTEM_UID, instructionSet,
                             dexoptNeeded, 0 /*dexFlags*/, null /*volumeUuid*/,
                             false /*useProfiles*/);
diff --git a/core/java/com/android/internal/util/ArrayUtils.java b/core/java/com/android/internal/util/ArrayUtils.java
index 8026949..a84a061 100644
--- a/core/java/com/android/internal/util/ArrayUtils.java
+++ b/core/java/com/android/internal/util/ArrayUtils.java
@@ -27,6 +27,7 @@
 import java.lang.reflect.Array;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.Objects;
 
 /**
@@ -126,6 +127,13 @@
     /**
      * Checks if given array is null or has zero elements.
      */
+    public static boolean isEmpty(@Nullable List<?> array) {
+        return array == null || array.isEmpty();
+    }
+
+    /**
+     * Checks if given array is null or has zero elements.
+     */
     public static <T> boolean isEmpty(@Nullable T[] array) {
         return array == null || array.length == 0;
     }
diff --git a/core/java/com/android/internal/widget/ImageFloatingTextView.java b/core/java/com/android/internal/widget/ImageFloatingTextView.java
index c4ed2e1..78c5e34 100644
--- a/core/java/com/android/internal/widget/ImageFloatingTextView.java
+++ b/core/java/com/android/internal/widget/ImageFloatingTextView.java
@@ -65,6 +65,8 @@
                 .setTextDirection(getTextDirectionHeuristic())
                 .setLineSpacing(getLineSpacingExtra(), getLineSpacingMultiplier())
                 .setIncludePad(getIncludeFontPadding())
+                .setEllipsize(shouldEllipsize ? effectiveEllipsize : null)
+                .setEllipsizedWidth(ellipsisWidth)
                 .setBreakStrategy(Layout.BREAK_STRATEGY_HIGH_QUALITY)
                 .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_FULL);
         // we set the endmargin on the first 2 lines. this works just in our case but that's
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index 816a2c4..623b603 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -7,7 +7,7 @@
 LOCAL_CFLAGS += -Wno-unused-parameter
 LOCAL_CFLAGS += -Wno-non-virtual-dtor
 LOCAL_CFLAGS += -Wno-maybe-uninitialized -Wno-parentheses
-#LOCAL_CFLAGS += -DHWUI_NEW_OPS
+LOCAL_CFLAGS += -DHWUI_NEW_OPS
 LOCAL_CPPFLAGS += -Wno-conversion-null
 
 ifeq ($(TARGET_ARCH), arm)
diff --git a/core/jni/android_app_Activity.cpp b/core/jni/android_app_Activity.cpp
index b1d7e82..56f4f01 100644
--- a/core/jni/android_app_Activity.cpp
+++ b/core/jni/android_app_Activity.cpp
@@ -15,16 +15,25 @@
  */
 
 #include <poll.h>
-#include <android/dlext.h>
+
+#include <string>
 
 #include "core_jni_helpers.h"
 
+extern "C" void android_dlwarning(void*, void (*)(void*, const char*));
+
 namespace android
 {
 
 static jstring getDlWarning_native(JNIEnv* env, jobject) {
-    const char* text = android_dlwarning();
-    return text == nullptr ? nullptr : env->NewStringUTF(text);
+    std::string msg;
+    android_dlwarning(&msg, [](void* obj, const char* msg) {
+        if (msg != nullptr) {
+            *reinterpret_cast<std::string*>(obj) = msg;
+        }
+    });
+
+    return msg.empty() ? nullptr : env->NewStringUTF(msg.c_str());
 }
 
 static const JNINativeMethod g_methods[] = {
diff --git a/core/jni/android_hardware_camera2_CameraMetadata.cpp b/core/jni/android_hardware_camera2_CameraMetadata.cpp
index afccfcf..f37fd78 100644
--- a/core/jni/android_hardware_camera2_CameraMetadata.cpp
+++ b/core/jni/android_hardware_camera2_CameraMetadata.cpp
@@ -918,15 +918,14 @@
     sp<VendorTagDescriptor> desc = new VendorTagDescriptor();
     binder::Status res = cameraService->getCameraVendorTagDescriptor(/*out*/desc.get());
 
-    if (res.serviceSpecificErrorCode() == hardware::ICameraService::ERROR_DEPRECATED_HAL) {
-        ALOGW("%s: Camera HAL too old; does not support vendor tags", __FUNCTION__);
+    if (res.serviceSpecificErrorCode() == hardware::ICameraService::ERROR_DISCONNECTED) {
+        // No camera module available, not an error on devices with no cameras
         VendorTagDescriptor::clearGlobalVendorTagDescriptor();
-
         return OK;
     } else if (!res.isOk()) {
-        ALOGE("%s: Failed to setup vendor tag descriptors: %s: %s",
-                __FUNCTION__, res.serviceSpecificErrorCode(),
-                res.toString8().string());
+        VendorTagDescriptor::clearGlobalVendorTagDescriptor();
+        ALOGE("%s: Failed to setup vendor tag descriptors: %s",
+                __FUNCTION__, res.toString8().string());
         return res.serviceSpecificErrorCode();
     }
 
diff --git a/core/jni/android_hardware_camera2_DngCreator.cpp b/core/jni/android_hardware_camera2_DngCreator.cpp
index cb0abb6..c6baf1c 100644
--- a/core/jni/android_hardware_camera2_DngCreator.cpp
+++ b/core/jni/android_hardware_camera2_DngCreator.cpp
@@ -80,6 +80,13 @@
         return nullptr; \
     }
 
+#define BAIL_IF_EXPR_RET_NULL_SP(expr, jnienv, tagId, writer) \
+    if (expr) { \
+        jniThrowExceptionFmt(jnienv, "java/lang/IllegalArgumentException", \
+                "Invalid metadata for tag %s (%x)", (writer)->getTagName(tagId), (tagId)); \
+        return nullptr; \
+    }
+
 
 #define ANDROID_DNGCREATOR_CTX_JNI_ID     "mNativeContext"
 
@@ -195,8 +202,8 @@
 NativeContext::NativeContext(const CameraMetadata& characteristics, const CameraMetadata& result) :
         mCharacteristics(std::make_shared<CameraMetadata>(characteristics)),
         mResult(std::make_shared<CameraMetadata>(result)), mThumbnailWidth(0),
-        mThumbnailHeight(0), mOrientation(0), mThumbnailSet(false), mGpsSet(false),
-        mDescriptionSet(false), mCaptureTimeSet(false) {}
+        mThumbnailHeight(0), mOrientation(TAG_ORIENTATION_UNKNOWN), mThumbnailSet(false),
+        mGpsSet(false), mDescriptionSet(false), mCaptureTimeSet(false) {}
 
 NativeContext::~NativeContext() {}
 
@@ -1096,7 +1103,7 @@
 
     {
         // Set orientation
-        uint16_t orientation = 1; // Normal
+        uint16_t orientation = TAG_ORIENTATION_NORMAL;
         BAIL_IF_INVALID_RET_NULL_SP(writer->addEntry(TAG_ORIENTATION, 1, &orientation, TIFF_IFD_0),
                 env, TAG_ORIENTATION, writer);
     }
@@ -1138,12 +1145,27 @@
     }
 
     {
-        // Set blacklevel tags
+        // Set blacklevel tags, using dynamic black level if available
         camera_metadata_entry entry =
-                characteristics.find(ANDROID_SENSOR_BLACK_LEVEL_PATTERN);
-        BAIL_IF_EMPTY_RET_NULL_SP(entry, env, TAG_BLACKLEVEL, writer);
-        const uint32_t* blackLevel = reinterpret_cast<const uint32_t*>(entry.data.i32);
-        BAIL_IF_INVALID_RET_NULL_SP(writer->addEntry(TAG_BLACKLEVEL, entry.count, blackLevel,
+                results.find(ANDROID_SENSOR_DYNAMIC_BLACK_LEVEL);
+        uint32_t blackLevelRational[8] = {0};
+        if (entry.count != 0) {
+            BAIL_IF_EXPR_RET_NULL_SP(entry.count != 4, env, TAG_BLACKLEVEL, writer);
+            for (size_t i = 0; i < entry.count; i++) {
+                blackLevelRational[i * 2] = static_cast<uint32_t>(entry.data.f[i] * 100);
+                blackLevelRational[i * 2 + 1] = 100;
+            }
+        } else {
+            // Fall back to static black level which is guaranteed
+            entry = characteristics.find(ANDROID_SENSOR_BLACK_LEVEL_PATTERN);
+            BAIL_IF_EXPR_RET_NULL_SP(entry.count != 4, env, TAG_BLACKLEVEL, writer);
+            for (size_t i = 0; i < entry.count; i++) {
+                blackLevelRational[i * 2] = static_cast<uint32_t>(entry.data.i32[i]);
+                blackLevelRational[i * 2 + 1] = 1;
+            }
+
+        }
+        BAIL_IF_INVALID_RET_NULL_SP(writer->addEntry(TAG_BLACKLEVEL, 4, blackLevelRational,
                 TIFF_IFD_0), env, TAG_BLACKLEVEL, writer);
 
         uint16_t repeatDim[2] = {2, 2};
@@ -1913,8 +1935,10 @@
 
         {
             // Set bits per sample
-            uint16_t bits = BITS_PER_RGB_SAMPLE;
-            BAIL_IF_INVALID_RET_NULL_SP(writer->addEntry(TAG_BITSPERSAMPLE, 1, &bits, TIFF_IFD_0),
+            uint16_t bits[SAMPLES_PER_RGB_PIXEL];
+            for (int i = 0; i < SAMPLES_PER_RGB_PIXEL; i++) bits[i] = BITS_PER_RGB_SAMPLE;
+            BAIL_IF_INVALID_RET_NULL_SP(
+                    writer->addEntry(TAG_BITSPERSAMPLE, SAMPLES_PER_RGB_PIXEL, bits, TIFF_IFD_0),
                     env, TAG_BITSPERSAMPLE, writer);
         }
 
diff --git a/core/jni/android_hardware_camera2_legacy_LegacyCameraDevice.cpp b/core/jni/android_hardware_camera2_legacy_LegacyCameraDevice.cpp
index f1ea7ec..80f9d57 100644
--- a/core/jni/android_hardware_camera2_legacy_LegacyCameraDevice.cpp
+++ b/core/jni/android_hardware_camera2_legacy_LegacyCameraDevice.cpp
@@ -29,6 +29,7 @@
 
 #include <gui/Surface.h>
 #include <gui/IGraphicBufferProducer.h>
+#include <gui/IProducerListener.h>
 #include <ui/GraphicBuffer.h>
 #include <system/window.h>
 #include <hardware/camera3.h>
@@ -93,27 +94,17 @@
             cStep, yStride, cStride);
 }
 
-static status_t configureSurface(const sp<ANativeWindow>& anw,
-                                 int32_t width,
-                                 int32_t height,
-                                 int32_t pixelFmt,
-                                 int32_t maxBufferSlack) {
+static status_t connectSurface(const sp<Surface>& surface, int32_t maxBufferSlack) {
     status_t err = NO_ERROR;
-    err = native_window_set_buffers_dimensions(anw.get(), width, height);
-    if (err != NO_ERROR) {
-        ALOGE("%s: Failed to set native window buffer dimensions, error %s (%d).", __FUNCTION__,
+
+    err = surface->connect(NATIVE_WINDOW_API_CAMERA, /*listener*/NULL);
+    if (err != OK) {
+        ALOGE("%s: Unable to connect to surface, error %s (%d).", __FUNCTION__,
                 strerror(-err), err);
         return err;
     }
 
-    err = native_window_set_buffers_format(anw.get(), pixelFmt);
-    if (err != NO_ERROR) {
-        ALOGE("%s: Failed to set native window buffer format, error %s (%d).", __FUNCTION__,
-                strerror(-err), err);
-        return err;
-    }
-
-    err = native_window_set_usage(anw.get(), GRALLOC_USAGE_SW_WRITE_OFTEN);
+    err = native_window_set_usage(surface.get(), GRALLOC_USAGE_SW_WRITE_OFTEN);
     if (err != NO_ERROR) {
         ALOGE("%s: Failed to set native window usage flag, error %s (%d).", __FUNCTION__,
                 strerror(-err), err);
@@ -121,19 +112,17 @@
     }
 
     int minUndequeuedBuffers;
-    err = anw.get()->query(anw.get(),
-            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
-            &minUndequeuedBuffers);
+    err = static_cast<ANativeWindow*>(surface.get())->query(surface.get(),
+            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &minUndequeuedBuffers);
     if (err != NO_ERROR) {
         ALOGE("%s: Failed to get native window min undequeued buffers, error %s (%d).",
                 __FUNCTION__, strerror(-err), err);
         return err;
     }
 
-    ALOGV("%s: Setting buffer count to %d, size to (%dx%d), fmt (0x%x)", __FUNCTION__,
-          maxBufferSlack + 1 + minUndequeuedBuffers,
-          width, height, pixelFmt);
-    err = native_window_set_buffer_count(anw.get(), maxBufferSlack + 1 + minUndequeuedBuffers);
+    ALOGV("%s: Setting buffer count to %d", __FUNCTION__,
+            maxBufferSlack + 1 + minUndequeuedBuffers);
+    err = native_window_set_buffer_count(surface.get(), maxBufferSlack + 1 + minUndequeuedBuffers);
     if (err != NO_ERROR) {
         ALOGE("%s: Failed to set native window buffer count, error %s (%d).", __FUNCTION__,
                 strerror(-err), err);
@@ -509,6 +498,26 @@
     return usage;
 }
 
+static jint LegacyCameraDevice_nativeDisconnectSurface(JNIEnv* env, jobject thiz,
+          jobject surface) {
+    ALOGV("nativeDisconnectSurface");
+    if (surface == nullptr) return NO_ERROR;
+
+    sp<ANativeWindow> anw;
+    if ((anw = getNativeWindow(env, surface)) == NULL) {
+        ALOGV("Buffer queue has already been abandoned.");
+        return NO_ERROR;
+    }
+
+    status_t err = native_window_api_disconnect(anw.get(), NATIVE_WINDOW_API_CAMERA);
+    if(err != NO_ERROR) {
+        jniThrowException(env, "Ljava/lang/UnsupportedOperationException;",
+            "Error while disconnecting surface");
+        return err;
+    }
+    return NO_ERROR;
+}
+
 static jint LegacyCameraDevice_nativeDetectTextureDimens(JNIEnv* env, jobject thiz,
         jobject surfaceTexture, jintArray dimens) {
     ALOGV("nativeDetectTextureDimens");
@@ -540,15 +549,14 @@
     return NO_ERROR;
 }
 
-static jint LegacyCameraDevice_nativeConfigureSurface(JNIEnv* env, jobject thiz, jobject surface,
-        jint width, jint height, jint pixelFormat) {
-    ALOGV("nativeConfigureSurface");
-    sp<ANativeWindow> anw;
-    if ((anw = getNativeWindow(env, surface)) == NULL) {
-        ALOGE("%s: Could not retrieve native window from surface.", __FUNCTION__);
+static jint LegacyCameraDevice_nativeConnectSurface(JNIEnv* env, jobject thiz, jobject surface) {
+    ALOGV("nativeConnectSurface");
+    sp<Surface> s;
+    if ((s = getSurface(env, surface)) == NULL) {
+        ALOGE("%s: Could not retrieve surface.", __FUNCTION__);
         return BAD_VALUE;
     }
-    status_t err = configureSurface(anw, width, height, pixelFormat, CAMERA_DEVICE_BUFFER_SLACK);
+    status_t err = connectSurface(s, CAMERA_DEVICE_BUFFER_SLACK);
     if (err != NO_ERROR) {
         ALOGE("%s: Error while configuring surface %s (%d).", __FUNCTION__, strerror(-err), err);
         return err;
@@ -740,9 +748,9 @@
     { "nativeDetectSurfaceDimens",
     "(Landroid/view/Surface;[I)I",
     (void *)LegacyCameraDevice_nativeDetectSurfaceDimens },
-    { "nativeConfigureSurface",
-    "(Landroid/view/Surface;III)I",
-    (void *)LegacyCameraDevice_nativeConfigureSurface },
+    { "nativeConnectSurface",
+    "(Landroid/view/Surface;)I",
+    (void *)LegacyCameraDevice_nativeConnectSurface },
     { "nativeProduceFrame",
     "(Landroid/view/Surface;[BIII)I",
     (void *)LegacyCameraDevice_nativeProduceFrame },
@@ -773,6 +781,9 @@
     { "nativeSetScalingMode",
     "(Landroid/view/Surface;I)I",
     (void *)LegacyCameraDevice_nativeSetScalingMode },
+    { "nativeDisconnectSurface",
+    "(Landroid/view/Surface;)I",
+    (void *)LegacyCameraDevice_nativeDisconnectSurface },
 };
 
 // Get all the required offsets in java class and register native functions
diff --git a/core/jni/android_net_NetUtils.cpp b/core/jni/android_net_NetUtils.cpp
index defb88a..880a79c 100644
--- a/core/jni/android_net_NetUtils.cpp
+++ b/core/jni/android_net_NetUtils.cpp
@@ -26,10 +26,13 @@
 #include <net/if.h>
 #include <linux/filter.h>
 #include <linux/if.h>
+#include <linux/if_arp.h>
 #include <linux/if_ether.h>
 #include <linux/if_packet.h>
 #include <net/if_ether.h>
+#include <netinet/icmp6.h>
 #include <netinet/ip.h>
+#include <netinet/ip6.h>
 #include <netinet/udp.h>
 #include <cutils/properties.h>
 
@@ -64,10 +67,9 @@
 
 static void android_net_utils_attachDhcpFilter(JNIEnv *env, jobject clazz, jobject javaFd)
 {
-    int fd = jniGetFDFromFileDescriptor(env, javaFd);
     uint32_t ip_offset = sizeof(ether_header);
     uint32_t proto_offset = ip_offset + offsetof(iphdr, protocol);
-    uint32_t flags_offset = ip_offset +  offsetof(iphdr, frag_off);
+    uint32_t flags_offset = ip_offset + offsetof(iphdr, frag_off);
     uint32_t dport_indirect_offset = ip_offset + offsetof(udphdr, dest);
     struct sock_filter filter_code[] = {
         // Check the protocol is UDP.
@@ -94,6 +96,45 @@
         filter_code,
     };
 
+    int fd = jniGetFDFromFileDescriptor(env, javaFd);
+    if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "setsockopt(SO_ATTACH_FILTER): %s", strerror(errno));
+    }
+}
+
+static void android_net_utils_attachRaFilter(JNIEnv *env, jobject clazz, jobject javaFd,
+        jint hardwareAddressType)
+{
+    if (hardwareAddressType != ARPHRD_ETHER) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "attachRaFilter only supports ARPHRD_ETHER");
+        return;
+    }
+
+    uint32_t ipv6_offset = sizeof(ether_header);
+    uint32_t ipv6_next_header_offset = ipv6_offset + offsetof(ip6_hdr, ip6_nxt);
+    uint32_t icmp6_offset = ipv6_offset + sizeof(ip6_hdr);
+    uint32_t icmp6_type_offset = icmp6_offset + offsetof(icmp6_hdr, icmp6_type);
+    struct sock_filter filter_code[] = {
+        // Check IPv6 Next Header is ICMPv6.
+        BPF_STMT(BPF_LD  | BPF_B   | BPF_ABS,  ipv6_next_header_offset),
+        BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K,    IPPROTO_ICMPV6, 0, 3),
+
+        // Check ICMPv6 type is Router Advertisement.
+        BPF_STMT(BPF_LD  | BPF_B   | BPF_ABS,  icmp6_type_offset),
+        BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K,    ND_ROUTER_ADVERT, 0, 1),
+
+        // Accept or reject.
+        BPF_STMT(BPF_RET | BPF_K,              0xffff),
+        BPF_STMT(BPF_RET | BPF_K,              0)
+    };
+    struct sock_fprog filter = {
+        sizeof(filter_code) / sizeof(filter_code[0]),
+        filter_code,
+    };
+
+    int fd = jniGetFDFromFileDescriptor(env, javaFd);
     if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &filter, sizeof(filter)) != 0) {
         jniThrowExceptionFmt(env, "java/net/SocketException",
                 "setsockopt(SO_ATTACH_FILTER): %s", strerror(errno));
@@ -148,6 +189,7 @@
     { "protectFromVpn", "(I)Z", (void*)android_net_utils_protectFromVpn },
     { "queryUserAccess", "(II)Z", (void*)android_net_utils_queryUserAccess },
     { "attachDhcpFilter", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_attachDhcpFilter },
+    { "attachRaFilter", "(Ljava/io/FileDescriptor;I)V", (void*) android_net_utils_attachRaFilter },
 };
 
 int register_android_net_NetworkUtils(JNIEnv* env)
diff --git a/core/jni/android_os_Debug.cpp b/core/jni/android_os_Debug.cpp
index 3df0876..f870a89 100644
--- a/core/jni/android_os_Debug.cpp
+++ b/core/jni/android_os_Debug.cpp
@@ -262,7 +262,13 @@
             }
             name = line + name_pos;
             nameLen = strlen(name);
-
+            // Trim the end of the line if it is " (deleted)".
+            const char* deleted_str = " (deleted)";
+            if (nameLen > (int)strlen(deleted_str) &&
+                strcmp(name+nameLen-strlen(deleted_str), deleted_str) == 0) {
+                nameLen -= strlen(deleted_str);
+                name[nameLen] = '\0';
+            }
             if ((strstr(name, "[heap]") == name)) {
                 whichHeap = HEAP_NATIVE;
             } else if (strncmp(name, "[anon:libc_malloc]", 18) == 0) {
diff --git a/core/res/res/layout/notification_template_material_big_text.xml b/core/res/res/layout/notification_template_material_big_text.xml
index 9a4b28c..3c59b4e 100644
--- a/core/res/res/layout/notification_template_material_big_text.xml
+++ b/core/res/res/layout/notification_template_material_big_text.xml
@@ -39,7 +39,7 @@
         <com.android.internal.widget.ImageFloatingTextView android:id="@+id/big_text"
             android:layout_width="match_parent"
             android:layout_height="0dp"
-            android:layout_marginTop="1.5dp"
+            android:layout_marginTop="1dp"
             android:paddingBottom="@dimen/notification_content_margin_bottom"
             android:textAppearance="@style/TextAppearance.Material.Notification"
             android:singleLine="false"
diff --git a/core/res/res/layout/notification_template_text.xml b/core/res/res/layout/notification_template_text.xml
index 38470cd..47b30ec 100644
--- a/core/res/res/layout/notification_template_text.xml
+++ b/core/res/res/layout/notification_template_text.xml
@@ -14,12 +14,12 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License
   -->
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+<com.android.internal.widget.ImageFloatingTextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/text"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_gravity="top"
-    android:layout_marginTop="1.5dp"
+    android:layout_marginTop="1dp"
     android:ellipsize="marquee"
     android:fadingEdge="horizontal"
     android:gravity="top"
diff --git a/core/res/res/layout/text_edit_suggestion_container_material.xml b/core/res/res/layout/text_edit_suggestion_container_material.xml
index 15b18dd..d1c65c0 100644
--- a/core/res/res/layout/text_edit_suggestion_container_material.xml
+++ b/core/res/res/layout/text_edit_suggestion_container_material.xml
@@ -33,7 +33,7 @@
             android:id="@+id/suggestionContainer"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingTop="8dp"
+            android:paddingTop="4dp"
             android:paddingBottom="0dp"
             android:divider="@null" />
         <LinearLayout
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 9a2a6eb..7857107 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2440,6 +2440,10 @@
          flag). -->
     <bool name="config_forceWindowDrawsStatusBarBackground">true</bool>
 
+    <!-- If set, this will force the navigation bar to always be drawn with an opaque
+         background. -->
+    <bool name="config_forceNavBarAlwaysOpaque">false</bool>
+
     <!-- Default bounds [left top right bottom] on screen for picture-in-picture windows. -->
     <string translatable="false" name="config_defaultPictureInPictureBounds">"0 0 100 100"</string>
 
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 7b11302..d8efd63 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -2917,20 +2917,18 @@
     <!-- Message of notification shown when ADB is actively connected to the phone. -->
     <string name="adb_active_notification_message">Touch to disable USB debugging.</string>
 
+    <!-- Title of notification shown to indicate that bug report is being collected. -->
+    <string name="taking_remote_bugreport_notification_title">Taking bug report\u2026</string>
     <!-- Title of notification shown to ask for user consent for sharing a bugreport that was requested remotely by the IT administrator. -->
     <string name="share_remote_bugreport_notification_title">Share bug report?</string>
     <!-- Title of notification shown to indicate that bug report is still being collected after sharing was accepted. -->
     <string name="sharing_remote_bugreport_notification_title">Sharing bug report\u2026</string>
-    <!-- Message of notification shown to ask for user consent for sharing a bugreport that was requested remotely by the IT administrator. -->
-    <string name="share_remote_bugreport_notification_message">Your IT admin requested a bug report to help troubleshoot this device. Apps and data may be shared and your device may temporarily slow down.</string>
-    <!-- Message of notification shown to ask for user consent for sharing a bugreport that was requested remotely by the IT administrator. -->
-    <string name="share_finished_remote_bugreport_notification_message">Your IT admin requested a bug report to help troubleshoot this device. Apps and data may be shared.</string>
-    <!-- Message of notification shown to shown to indicate that bug report is still being collected after sharing was accepted. -->
-    <string name="sharing_remote_bugreport_notification_message">This may temporarily slow down your device</string>
+    <!-- Message of a notification shown to ask for user consent for sharing a bugreport that was requested remotely by the IT administrator. -->
+    <string name="share_remote_bugreport_notification_message_finished">Your IT admin requested a bug report to help troubleshoot this device. Apps and data may be shared.</string>
     <!-- Acceptance label of notification shown to ask for user consent for sharing the remote bugreport. -->
-    <string name="share_remote_bugreport_notification_accept">ACCEPT</string>
+    <string name="share_remote_bugreport_action">SHARE</string>
     <!-- Decline label of notification shown to ask for user consent for sharing the remote bugreport. -->
-    <string name="share_remote_bugreport_notification_decline">DECLINE</string>
+    <string name="decline_remote_bugreport_action">DECLINE</string>
 
     <!-- Used to replace %s in urls retreived from the signin server with locales.  For Some        -->
     <!-- devices we don't support all the locales we ship to and need to replace the '%s' with a    -->
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 11f42ec..15521e4 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1771,13 +1771,12 @@
   <java-symbol type="string" name="accessibility_binding_label" />
   <java-symbol type="string" name="adb_active_notification_message" />
   <java-symbol type="string" name="adb_active_notification_title" />
+  <java-symbol type="string" name="taking_remote_bugreport_notification_title" />
   <java-symbol type="string" name="share_remote_bugreport_notification_title" />
-  <java-symbol type="string" name="share_remote_bugreport_notification_message" />
-  <java-symbol type="string" name="share_finished_remote_bugreport_notification_message" />
   <java-symbol type="string" name="sharing_remote_bugreport_notification_title" />
-  <java-symbol type="string" name="sharing_remote_bugreport_notification_message" />
-  <java-symbol type="string" name="share_remote_bugreport_notification_accept" />
-  <java-symbol type="string" name="share_remote_bugreport_notification_decline" />
+  <java-symbol type="string" name="share_remote_bugreport_notification_message_finished" />
+  <java-symbol type="string" name="share_remote_bugreport_action" />
+  <java-symbol type="string" name="decline_remote_bugreport_action" />
   <java-symbol type="string" name="aerr_application" />
   <java-symbol type="string" name="aerr_process" />
   <java-symbol type="string" name="aerr_application_repeated" />
@@ -2392,6 +2391,7 @@
 
   <java-symbol type="string" name="config_packagedKeyboardName" />
   <java-symbol type="bool" name="config_forceWindowDrawsStatusBarBackground" />
+  <java-symbol type="bool" name="config_forceNavBarAlwaysOpaque" />
   <java-symbol type="color" name="system_bar_background_semi_transparent" />
 
   <!-- EditText suggestion popup. -->
diff --git a/core/tests/coretests/src/android/animation/ValueAnimatorTests.java b/core/tests/coretests/src/android/animation/ValueAnimatorTests.java
index 998c72a..c92863d 100644
--- a/core/tests/coretests/src/android/animation/ValueAnimatorTests.java
+++ b/core/tests/coretests/src/android/animation/ValueAnimatorTests.java
@@ -328,7 +328,12 @@
         // Only a1's pause listener should be called.
         assertTrue(l1.pauseCalled);
         assertFalse(l1.resumeCalled);
-        a1.resume();
+        runTestOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                a1.resume();
+            }
+        });
 
         Thread.sleep(a1.getTotalDuration());
 
diff --git a/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java b/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java
index e9fd5fb..5d46489 100644
--- a/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java
+++ b/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java
@@ -38,7 +38,7 @@
     @Override
     protected void setUp() throws Exception {
         super.setUp();
-        mCache = new ConfigurationBoundResourceCache<Float>(getActivity().getResources());
+        mCache = new ConfigurationBoundResourceCache<>();
     }
 
     public void testGetEmpty() {
diff --git a/core/tests/coretests/src/android/text/method/ForwardDeleteTest.java b/core/tests/coretests/src/android/text/method/ForwardDeleteTest.java
new file mode 100644
index 0000000..da17045
--- /dev/null
+++ b/core/tests/coretests/src/android/text/method/ForwardDeleteTest.java
@@ -0,0 +1,472 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.text.method;
+
+import android.app.Activity;
+import android.test.suitebuilder.annotation.SmallTest;
+import android.test.suitebuilder.annotation.Suppress;
+import android.text.InputType;
+import android.text.method.BaseKeyListener;
+import android.text.method.KeyListenerTestCase;
+import android.view.KeyEvent;
+import android.widget.EditText;
+import android.widget.TextView.BufferType;
+
+/**
+ * Test forward delete key handling of  {@link android.text.method.BaseKeyListener}.
+ *
+ * TODO: Move some of test cases to the CTS.
+ */
+public class ForwardDeleteTest extends KeyListenerTestCase {
+    private static final BaseKeyListener mKeyListener = new BaseKeyListener() {
+        public int getInputType() {
+            return InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_NORMAL;
+        }
+    };
+
+    // Sync the state to the TextView and call onKeyDown with KEYCODE_FORWARD_DEL key event.
+    // Then update the state to the result of TextView.
+    private void forwardDelete(final EditorState state, int modifiers) {
+        mActivity.runOnUiThread(new Runnable() {
+            public void run() {
+                mTextView.setText(state.mText, BufferType.EDITABLE);
+                mTextView.setKeyListener(mKeyListener);
+                mTextView.setSelection(state.mSelectionStart, state.mSelectionEnd);
+            }
+        });
+        mInstrumentation.waitForIdleSync();
+        assertTrue(mTextView.hasWindowFocus());
+
+        final KeyEvent keyEvent = getKey(KeyEvent.KEYCODE_FORWARD_DEL, modifiers);
+        mActivity.runOnUiThread(new Runnable() {
+            public void run() {
+                mTextView.onKeyDown(keyEvent.getKeyCode(), keyEvent);
+            }
+        });
+        mInstrumentation.waitForIdleSync();
+
+        state.mText = mTextView.getText();
+        state.mSelectionStart = mTextView.getSelectionStart();
+        state.mSelectionEnd = mTextView.getSelectionEnd();
+    }
+
+    @SmallTest
+    public void testSurrogatePairs() {
+        EditorState state = new EditorState();
+
+        // U+1F441 is EYE
+        state.setByString("| U+1F441");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // U+1F5E8 is LEFT SPEECH BUBBLE
+        state.setByString("| U+1F441 U+1F5E8");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F5E8");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // TODO: introduce edge cases.
+    }
+
+    @SmallTest
+    public void testReplacementSpan() {
+        EditorState state = new EditorState();
+
+        state.setByString("| 'abc' ( 'de' ) 'fg'");
+        forwardDelete(state, 0);
+        state.assertEquals("| 'bc' ( 'de' ) 'fg'");
+        forwardDelete(state, 0);
+        state.assertEquals("| 'c' ( 'de' ) 'fg'");
+        forwardDelete(state, 0);
+        state.assertEquals("| ( 'de' ) 'fg'");
+        forwardDelete(state, 0);
+        state.assertEquals("| 'fg'");
+        forwardDelete(state, 0);
+        state.assertEquals("| 'g'");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("'abc' [ ( 'de' ) ] 'fg'");
+        forwardDelete(state, 0);
+        state.assertEquals("'abc' | 'fg'");
+        forwardDelete(state, 0);
+        state.assertEquals("'abc' | 'g'");
+        forwardDelete(state, 0);
+        state.assertEquals("'abc' |");
+        forwardDelete(state, 0);
+        state.assertEquals("'abc' |");
+
+        state.setByString("'ab' [ 'c' ( 'de' ) 'f' ] 'g'");
+        forwardDelete(state, 0);
+        state.assertEquals("'ab' | 'g'");
+        forwardDelete(state, 0);
+        state.assertEquals("'ab' |");
+        forwardDelete(state, 0);
+        state.assertEquals("'ab' |");
+
+        // TODO: introduce edge cases.
+    }
+
+    @SmallTest
+    public void testCombiningEnclosingKeycaps() {
+        EditorState state = new EditorState();
+
+        // U+20E3 is COMBINING ENCLOSING KEYCAP.
+        state.setByString("| '1' U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Edge cases
+        // multiple COMBINING ENCLOSING KEYCAP
+        state.setByString("| '1' U+20E3 U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Isolated COMBINING ENCLOSING KEYCAP
+        state.setByString("| U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Isolated multiple COMBINING ENCLOSING KEYCAP
+        state.setByString("| U+20E3 U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+    }
+
+    @SmallTest
+    public void testVariationSelector() {
+        EditorState state = new EditorState();
+
+        // U+FE0F is VARIATION SELECTOR-16.
+        state.setByString("| '#' U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // U+E0100 is VARIATION SELECTOR-17.
+        state.setByString("| U+845B U+E0100");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Edge cases
+        // Isolated variation selectors
+        state.setByString("| U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| U+E0100");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Isolated multiple variation selectors
+        state.setByString("| U+FE0F U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| U+FE0F U+E0100");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| U+E0100 U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| U+E0100 U+E0100");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Multiple variation selectors
+        state.setByString("| '#' U+FE0F U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| '#' U+FE0F U+E0100");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| U+845B U+E0100 U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| U+845B U+E0100 U+E0100");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+    }
+
+    @SmallTest
+    public void testEmojiZeroWidthJoinerSequence() {
+        EditorState state = new EditorState();
+
+        // U+200D is ZERO WIDTH JOINER.
+        state.setByString("| U+1F441 U+200D U+1F5E8");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| U+1F468 U+200D U+2764 U+FE0F U+200D U+1F48B U+200D U+1F468");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Edge cases
+        // End with ZERO WIDTH JOINER
+        state.setByString("| U+1F441 U+200D");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Start with ZERO WIDTH JOINER
+        state.setByString("| U+200D U+1F5E8");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F5E8");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Multiple ZERO WIDTH JOINER
+        state.setByString("| U+1F441 U+200D U+200D U+1F5E8");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F5E8");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Isolated ZERO WIDTH JOINER
+        state.setByString("| U+200D");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Isolated multiple ZERO WIDTH JOINER
+        state.setByString("| U+200D U+200D");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+    }
+
+    @SmallTest
+    public void testFlags() {
+        EditorState state = new EditorState();
+
+        // U+1F1FA is REGIONAL INDICATOR SYMBOL LETTER U.
+        // U+1F1F8 is REGIONAL INDICATOR SYMBOL LETTER S.
+        state.setByString("| U+1F1FA U+1F1F8");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        state.setByString("| U+1F1FA U+1F1F8 U+1F1FA U+1F1F8");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F1FA U+1F1F8");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Edge cases
+        // Isolated regional indicator symbol
+        state.setByString("| U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Odd numbered regional indicator symbols
+        state.setByString("| U+1F1FA U+1F1F8 U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+    }
+
+    @SmallTest
+    public void testEmojiModifier() {
+        EditorState state = new EditorState();
+
+        // U+1F3FB is EMOJI MODIFIER FITZPATRICK TYPE-1-2.
+        state.setByString("| U+1F466 U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Edge cases
+        // Isolated emoji modifier
+        state.setByString("| U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Isolated multiple emoji modifier
+        state.setByString("| U+1F3FB U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Multiple emoji modifiers
+        state.setByString("| U+1F466 U+1F3FB U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+    }
+
+    @SmallTest
+    public void testMixedEdgeCases() {
+        EditorState state = new EditorState();
+
+        // COMBINING ENCLOSING KEYCAP + variation selector
+        state.setByString("| '1' U+20E3 U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Variation selector + COMBINING ENCLOSING KEYCAP
+        state.setByString("| U+2665 U+FE0F U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // COMBINING ENCLOSING KEYCAP + ending with ZERO WIDTH JOINER
+        state.setByString("| '1' U+20E3 U+200D");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // COMBINING ENCLOSING KEYCAP + ZERO WIDTH JOINER
+        state.setByString("| '1' U+20E3 U+200D U+1F5E8");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F5E8 ");
+
+        // Start with ZERO WIDTH JOINER + COMBINING ENCLOSING KEYCAP
+        state.setByString("| U+200D U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // ZERO WIDTH JOINER + COMBINING ENCLOSING KEYCAP
+        state.setByString("| U+1F441 U+200D U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // COMBINING ENCLOSING KEYCAP + regional indicator symbol
+        state.setByString("| '1' U+20E3 U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Regional indicator symbol + COMBINING ENCLOSING KEYCAP
+        state.setByString("| U+1F1FA U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // COMBINING ENCLOSING KEYCAP + emoji modifier
+        state.setByString("| '1' U+20E3 U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F3FB");
+
+        // Emoji modifier + COMBINING ENCLOSING KEYCAP
+        state.setByString("| U+1F466 U+1F3FB U+20E3");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Variation selector + end with ZERO WIDTH JOINER
+        state.setByString("| U+2665 U+FE0F U+200D");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Variation selector + ZERO WIDTH JOINER
+        state.setByString("| U+1F469 U+200D U+2764 U+FE0F U+200D U+1F469");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Start with ZERO WIDTH JOINER + variation selector
+        state.setByString("| U+200D U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // ZERO WIDTH JOINER + variation selector
+        state.setByString("| U+1F469 U+200D U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Variation selector + regional indicator symbol
+        state.setByString("| U+2665 U+FE0F U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Regional indicator symbol + variation selector
+        state.setByString("| U+1F1FA U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Variation selector + emoji modifier
+        state.setByString("| U+2665 U+FE0F U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F3FB");
+
+        // Emoji modifier + variation selector
+        state.setByString("| U+1F466 U+1F3FB U+FE0F");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Start with ZERO WIDTH JOINER + regional indicator symbol
+        state.setByString("| U+200D U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // ZERO WIDTH JOINER + regional indicator symbol
+        state.setByString("| U+1F469 U+200D U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F1FA");
+
+        // Regional indicator symbol + end with ZERO WIDTH JOINER
+        state.setByString("| U+1F1FA U+200D");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Regional indicator symbol + ZERO WIDTH JOINER
+        state.setByString("| U+1F1FA U+200D U+1F469");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F469");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Start with ZERO WIDTH JOINER + emoji modifier
+        state.setByString("| U+200D U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F3FB");
+
+        // ZERO WIDTH JOINER + emoji modifier
+        state.setByString("| U+1F469 U+200D U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F3FB");
+
+        // Emoji modifier + end with ZERO WIDTH JOINER
+        state.setByString("| U+1F466 U+1F3FB U+200D");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Emoji modifier + ZERO WIDTH JOINER
+        state.setByString("| U+1F466 U+1F3FB U+200D U+1F469");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F469");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Regional indicator symbol + emoji modifier
+        state.setByString("| U+1F1FA U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F3FB");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+
+        // Emoji modifier + regional indicator symbol
+        state.setByString("| U+1F466 U+1F3FB U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("| U+1F1FA");
+        forwardDelete(state, 0);
+        state.assertEquals("|");
+    }
+}
diff --git a/core/tests/coretests/src/android/util/PatternsTest.java b/core/tests/coretests/src/android/util/PatternsTest.java
index d383775..348f8fd 100644
--- a/core/tests/coretests/src/android/util/PatternsTest.java
+++ b/core/tests/coretests/src/android/util/PatternsTest.java
@@ -25,7 +25,7 @@
 
 public class PatternsTest extends TestCase {
 
-    //Tests for Patterns.TOP_LEVEL_DOMAIN
+    // Tests for Patterns.TOP_LEVEL_DOMAIN
 
     @SmallTest
     public void testTldPattern() throws Exception {
@@ -56,7 +56,7 @@
         assertFalse("Matched invalid TLD!", t);
     }
 
-    //Tests for Patterns.IANA_TOP_LEVEL_DOMAINS
+    // Tests for Patterns.IANA_TOP_LEVEL_DOMAINS
 
     @SmallTest
     public void testIanaTopLevelDomains_matchesValidTld() throws Exception {
@@ -94,7 +94,7 @@
         assertFalse("Should not match invalid Punycode TLD", pattern.matcher("xn").matches());
     }
 
-    //Tests for Patterns.WEB_URL
+    // Tests for Patterns.WEB_URL
 
     @SmallTest
     public void testWebUrl_matchesValidUrlWithSchemeAndHostname() throws Exception {
@@ -208,7 +208,7 @@
                 Patterns.WEB_URL.matcher(url).matches());
     }
 
-    //Tests for Patterns.AUTOLINK_WEB_URL
+    // Tests for Patterns.AUTOLINK_WEB_URL
 
     @SmallTest
     public void testAutoLinkWebUrl_matchesValidUrlWithSchemeAndHostname() throws Exception {
@@ -419,7 +419,7 @@
                 Patterns.AUTOLINK_WEB_URL.matcher(url).matches());
     }
 
-    //Tests for Patterns.IP_ADDRESS
+    // Tests for Patterns.IP_ADDRESS
 
     @SmallTest
     public void testIpPattern() throws Exception {
@@ -432,7 +432,7 @@
         assertFalse("Invalid IP", t);
     }
 
-    //Tests for Patterns.DOMAIN_NAME
+    // Tests for Patterns.DOMAIN_NAME
 
     @SmallTest
     public void testDomain_matchesPunycodeTld() throws Exception {
@@ -508,7 +508,227 @@
                 Patterns.DOMAIN_NAME.matcher(domain).matches());
     }
 
-    //Tests for Patterns.PHONE
+    // Tests for Patterns.AUTOLINK_EMAIL_ADDRESS
+
+    public void testAutoLinkEmailAddress_matchesShortValidEmail() throws Exception {
+        String email = "a@a.co";
+        assertTrue("Should match short valid email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesRegularEmail() throws Exception {
+        String email = "email@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesEmailWithMultipleSubdomains() throws Exception {
+        String email = "email@e.somelongdomainnameforandroid.abc.uk";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartWithDot() throws Exception {
+        String email = "e.mail@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartWithPlus() throws Exception {
+        String email = "e+mail@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartWithUnderscore() throws Exception {
+        String email = "e_mail@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartWithDash() throws Exception {
+        String email = "e-mail@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartWithApostrophe() throws Exception {
+        String email = "e'mail@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartWithDigits() throws Exception {
+        String email = "123@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesUnicodeLocalPart() throws Exception {
+        String email = "\uD604\uAE08\uC601\uC218\uC99D@android.kr";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartWithEmoji() throws Exception {
+        String email = "smiley\u263A@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartWithSurrogatePairs() throws Exception {
+        String email = "\uD83C\uDF38@android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesDomainWithDash() throws Exception {
+        String email = "email@an-droid.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesUnicodeDomain() throws Exception {
+        String email = "email@\uD604\uAE08\uC601\uC218\uC99D.kr";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesUnicodeLocalPartAndDomain() throws Exception {
+        String email = "\uD604\uAE08\uC601\uC218\uC99D@\uD604\uAE08\uC601\uC218\uC99D.kr";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesDomainWithEmoji() throws Exception {
+        String email = "smiley@\u263Aandroid.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesDomainWithSurrogatePairs() throws Exception {
+        String email = "email@\uD83C\uDF38android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartAndDomainWithSurrogatePairs()
+            throws Exception {
+        String email = "\uD83C\uDF38@\uD83C\uDF38android.com";
+        assertTrue("Should match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchStringWithoutAtSign() throws Exception {
+        String email = "android.com";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchPlainString() throws Exception {
+        String email = "email";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchStringWithMultipleAtSigns() throws Exception {
+        String email = "email@android@android.com";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchEmailWithoutTld() throws Exception {
+        String email = "email@android";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchLocalPartEndingWithDot() throws Exception {
+        String email = "email.@android.com";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchLocalPartStartingWithDot() throws Exception {
+        String email = ".email@android.com";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchDomainStartingWithDash() throws Exception {
+        String email = "email@-android.com";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchDomainWithConsecutiveDots() throws Exception {
+        String email = "email@android..com";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchEmailWithIpAsDomain() throws Exception {
+        String email = "email@127.0.0.1";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_doesNotMatchEmailWithInvalidTld() throws Exception {
+        String email = "email@android.c";
+        assertFalse("Should not match email: " + email,
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesLocalPartUpTo64Chars() throws Exception {
+        String localPart = "";
+        for (int i = 0; i < 64; i++) {
+            localPart += "a";
+        }
+        String email = localPart + "@android.com";
+
+        assertTrue("Should match local part of length: " + localPart.length(),
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+
+        email = localPart + "a@android.com";
+        assertFalse("Should not match local part of length: " + localPart.length(),
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesSubdomainUpTo63Chars() throws Exception {
+        String subdomain = "";
+        for (int i = 0; i < 63; i++) {
+            subdomain += "a";
+        }
+        String email = "email@" + subdomain + ".com";
+
+        assertTrue("Should match subdomain of length: " + subdomain.length(),
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+
+        subdomain += "a";
+        email = "email@" + subdomain + ".com";
+        assertFalse("Should not match local part of length: " + subdomain.length(),
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    public void testAutoLinkEmailAddress_matchesDomainUpTo255Chars() throws Exception {
+        String longDomain = "";
+        while (longDomain.length() <= 250) {
+            longDomain += "d.";
+        }
+        longDomain += "com";
+        assertEquals(255, longDomain.length());
+        String email = "a@" + longDomain;
+
+        assertTrue("Should match domain of length: " + longDomain.length(),
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+
+        email = email + "m";
+        assertEquals(258, email.length());
+        assertFalse("Should not match domain of length: " + longDomain.length(),
+                Patterns.AUTOLINK_EMAIL_ADDRESS.matcher(email).matches());
+    }
+
+    // Tests for Patterns.PHONE
 
     @SmallTest
     public void testPhonePattern() throws Exception {
diff --git a/core/tests/coretests/src/com/android/internal/inputmethod/InputMethodUtilsTest.java b/core/tests/coretests/src/com/android/internal/inputmethod/InputMethodUtilsTest.java
index ac020e4..719b274 100644
--- a/core/tests/coretests/src/com/android/internal/inputmethod/InputMethodUtilsTest.java
+++ b/core/tests/coretests/src/com/android/internal/inputmethod/InputMethodUtilsTest.java
@@ -70,6 +70,7 @@
     private static final Locale LOCALE_TH_TH_TH = new Locale("ht", "TH", "TH");
     private static final String SUBTYPE_MODE_KEYBOARD = "keyboard";
     private static final String SUBTYPE_MODE_VOICE = "voice";
+    private static final String SUBTYPE_MODE_HANDWRITING = "handwriting";
     private static final String SUBTYPE_MODE_ANY = null;
     private static final String EXTRA_VALUE_PAIR_SEPARATOR = ",";
     private static final String EXTRA_VALUE_ASCII_CAPABLE = "AsciiCapable";
@@ -215,6 +216,12 @@
         final InputMethodSubtype nonAutoJa = createDummyInputMethodSubtype("ja",
                 SUBTYPE_MODE_KEYBOARD, !IS_AUX, !IS_OVERRIDES_IMPLICITLY_ENABLED_SUBTYPE,
                 !IS_ASCII_CAPABLE, !IS_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE);
+        final InputMethodSubtype nonAutoHi = createDummyInputMethodSubtype("hi",
+                SUBTYPE_MODE_KEYBOARD, !IS_AUX, !IS_OVERRIDES_IMPLICITLY_ENABLED_SUBTYPE,
+                !IS_ASCII_CAPABLE, !IS_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE);
+        final InputMethodSubtype nonAutoHandwritingEn = createDummyInputMethodSubtype("en",
+                SUBTYPE_MODE_HANDWRITING, !IS_AUX, !IS_OVERRIDES_IMPLICITLY_ENABLED_SUBTYPE,
+                !IS_ASCII_CAPABLE, !IS_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE);
         final InputMethodSubtype nonAutoEnabledWhenDefaultIsNotAsciiCalableSubtype =
                 createDummyInputMethodSubtype("zz", SUBTYPE_MODE_KEYBOARD, !IS_AUX,
                         !IS_OVERRIDES_IMPLICITLY_ENABLED_SUBTYPE, !IS_ASCII_CAPABLE,
@@ -349,6 +356,57 @@
             verifyEquality(nonAutoEnabledWhenDefaultIsNotAsciiCalableSubtype2, result.get(2));
         }
 
+        // Make sure that if there is no subtype that matches the language requested, then we just
+        // use the first keyboard subtype.
+        {
+            final ArrayList<InputMethodSubtype> subtypes = new ArrayList<>();
+            subtypes.add(nonAutoHi);
+            subtypes.add(nonAutoEnUS);
+            subtypes.add(nonAutoHandwritingEn);
+            subtypes.add(nonAutoEnabledWhenDefaultIsNotAsciiCalableSubtype);
+            final InputMethodInfo imi = createDummyInputMethodInfo(
+                    "com.android.apps.inputmethod.latin",
+                    "com.android.apps.inputmethod.latin", "DummyLatinIme", !IS_AUX, IS_DEFAULT,
+                    subtypes);
+            final ArrayList<InputMethodSubtype> result =
+                    InputMethodUtils.getImplicitlyApplicableSubtypesLocked(
+                            getResourcesForLocales(LOCALE_JA_JP), imi);
+            assertEquals(1, result.size());
+            verifyEquality(nonAutoHi, result.get(0));
+        }
+        {
+            final ArrayList<InputMethodSubtype> subtypes = new ArrayList<>();
+            subtypes.add(nonAutoEnUS);
+            subtypes.add(nonAutoHi);
+            subtypes.add(nonAutoHandwritingEn);
+            subtypes.add(nonAutoEnabledWhenDefaultIsNotAsciiCalableSubtype);
+            final InputMethodInfo imi = createDummyInputMethodInfo(
+                    "com.android.apps.inputmethod.latin",
+                    "com.android.apps.inputmethod.latin", "DummyLatinIme", !IS_AUX, IS_DEFAULT,
+                    subtypes);
+            final ArrayList<InputMethodSubtype> result =
+                    InputMethodUtils.getImplicitlyApplicableSubtypesLocked(
+                            getResourcesForLocales(LOCALE_JA_JP), imi);
+            assertEquals(1, result.size());
+            verifyEquality(nonAutoEnUS, result.get(0));
+        }
+        {
+            final ArrayList<InputMethodSubtype> subtypes = new ArrayList<>();
+            subtypes.add(nonAutoHandwritingEn);
+            subtypes.add(nonAutoEnUS);
+            subtypes.add(nonAutoHi);
+            subtypes.add(nonAutoEnabledWhenDefaultIsNotAsciiCalableSubtype);
+            final InputMethodInfo imi = createDummyInputMethodInfo(
+                    "com.android.apps.inputmethod.latin",
+                    "com.android.apps.inputmethod.latin", "DummyLatinIme", !IS_AUX, IS_DEFAULT,
+                    subtypes);
+            final ArrayList<InputMethodSubtype> result =
+                    InputMethodUtils.getImplicitlyApplicableSubtypesLocked(
+                            getResourcesForLocales(LOCALE_JA_JP), imi);
+            assertEquals(1, result.size());
+            verifyEquality(nonAutoEnUS, result.get(0));
+        }
+
         // Make sure that 3-letter language code can be handled.
         {
             final ArrayList<InputMethodSubtype> subtypes = new ArrayList<>();
diff --git a/include/androidfw/ResourceTypes.h b/include/androidfw/ResourceTypes.h
index 16bea79..f23fceb 100644
--- a/include/androidfw/ResourceTypes.h
+++ b/include/androidfw/ResourceTypes.h
@@ -1151,9 +1151,13 @@
         uint32_t screenConfig2;
     };
 
-    // If true, it means that the script of the locale was explicitly provided.
-    // If false, it means that the script was automatically computed.
-    bool localeScriptWasProvided;
+    // If false and localeScript is set, it means that the script of the locale
+    // was explicitly provided.
+    //
+    // If true, it means that localeScript was automatically computed.
+    // localeScript may still not be set in this case, which means that we
+    // tried but could not compute a script.
+    bool localeScriptWasComputed;
 
     void copyFromDeviceNoSwap(const ResTable_config& o);
     
@@ -1233,7 +1237,7 @@
 
     inline void clearLocale() {
         locale = 0;
-        localeScriptWasProvided = false;
+        localeScriptWasComputed = false;
         memset(localeScript, 0, sizeof(localeScript));
         memset(localeVariant, 0, sizeof(localeVariant));
     }
diff --git a/keystore/java/android/security/KeyChain.java b/keystore/java/android/security/KeyChain.java
index 7adad8a..0886487 100644
--- a/keystore/java/android/security/KeyChain.java
+++ b/keystore/java/android/security/KeyChain.java
@@ -547,11 +547,8 @@
         Intent intent = new Intent(IKeyChainService.class.getName());
         ComponentName comp = intent.resolveSystemService(context.getPackageManager(), 0);
         intent.setComponent(comp);
-        boolean isBound = context.bindServiceAsUser(intent,
-                                                    keyChainServiceConnection,
-                                                    Context.BIND_AUTO_CREATE,
-                                                    user);
-        if (!isBound) {
+        if (comp == null || !context.bindServiceAsUser(
+                intent, keyChainServiceConnection, Context.BIND_AUTO_CREATE, user)) {
             throw new AssertionError("could not bind to KeyChainService");
         }
         return new KeyChainConnection(context, keyChainServiceConnection, q.take());
diff --git a/libs/androidfw/ResourceTypes.cpp b/libs/androidfw/ResourceTypes.cpp
index c73bb584..49b3a51 100644
--- a/libs/androidfw/ResourceTypes.cpp
+++ b/libs/androidfw/ResourceTypes.cpp
@@ -1870,8 +1870,8 @@
 
     // The language & region are equal, so compare the scripts and variants.
     const char emptyScript[sizeof(l.localeScript)] = {'\0', '\0', '\0', '\0'};
-    const char *lScript = l.localeScriptWasProvided ? l.localeScript : emptyScript;
-    const char *rScript = r.localeScriptWasProvided ? r.localeScript : emptyScript;
+    const char *lScript = l.localeScriptWasComputed ? emptyScript : l.localeScript;
+    const char *rScript = r.localeScriptWasComputed ? emptyScript : r.localeScript;
     int script = memcmp(lScript, rScript, sizeof(l.localeScript));
     if (script) {
         return script;
@@ -2016,11 +2016,11 @@
     // scripts since it seems more useful to do so. We will consider
     // "en-US-POSIX" to be more specific than "en-Latn-US".
 
-    const int score = (localeScriptWasProvided ? 1 : 0) +
-        ((localeVariant[0] != 0) ? 2 : 0);
+    const int score = ((localeScript[0] != '\0' && !localeScriptWasComputed) ? 1 : 0) +
+        ((localeVariant[0] != '\0') ? 2 : 0);
 
-    const int oScore = (o.localeScriptWasProvided ? 1 : 0) +
-        ((o.localeVariant[0] != 0) ? 2 : 0);
+    const int oScore = (o.localeScript[0] != '\0' && !o.localeScriptWasComputed ? 1 : 0) +
+        ((o.localeVariant[0] != '\0') ? 2 : 0);
 
     return score - oScore;
 
@@ -2535,7 +2535,8 @@
         if (settings.localeScript[0] == '\0') { // could not determine the request's script
             countriesMustMatch = true;
         } else {
-            if (localeScript[0] == '\0') { // script was not provided, so we try to compute it
+            if (localeScript[0] == '\0' && !localeScriptWasComputed) {
+                // script was not provided or computed, so we try to compute it
                 localeDataComputeScript(computed_script, language, country);
                 if (computed_script[0] == '\0') { // we could not compute the script
                     countriesMustMatch = true;
@@ -2684,8 +2685,8 @@
     if (!language[0]) {
         return;
     }
-
-    if (!localeScriptWasProvided && !localeVariant[0]) {
+    const bool scriptWasProvided = localeScript[0] != '\0' && !localeScriptWasComputed;
+    if (!scriptWasProvided && !localeVariant[0]) {
         // Legacy format.
         if (out.size() > 0) {
             out.append("-");
@@ -2715,7 +2716,7 @@
     size_t len = unpackLanguage(buf);
     out.append(buf, len);
 
-    if (localeScriptWasProvided) {
+    if (scriptWasProvided) {
         out.append("+");
         out.append(localeScript, sizeof(localeScript));
     }
@@ -2746,7 +2747,7 @@
         charsWritten += unpackLanguage(str);
     }
 
-    if (localeScriptWasProvided) {
+    if (localeScript[0] && !localeScriptWasComputed) {
         if (charsWritten) {
             str[charsWritten++] = '-';
         }
@@ -2787,7 +2788,6 @@
                for (size_t i = 1; i < 4; ++i) {
                    config->localeScript[i] = tolower(start[i]);
                }
-               config->localeScriptWasProvided = true;
                break;
            }
        case 5:
@@ -2807,7 +2807,6 @@
 
 void ResTable_config::setBcp47Locale(const char* in) {
     locale = 0;
-    localeScriptWasProvided = false;
     memset(localeScript, 0, sizeof(localeScript));
     memset(localeVariant, 0, sizeof(localeVariant));
 
@@ -2824,9 +2823,10 @@
 
     const size_t size = in + strlen(in) - start;
     assignLocaleComponent(this, start, size);
-    if (localeScript[0] == '\0') {
+    localeScriptWasComputed = (localeScript[0] == '\0');
+    if (localeScriptWasComputed) {
         computeScript();
-    };
+    }
 }
 
 String8 ResTable_config::toString() const {
diff --git a/libs/androidfw/tests/ConfigLocale_test.cpp b/libs/androidfw/tests/ConfigLocale_test.cpp
index 4b8d65c..2bf9b12 100644
--- a/libs/androidfw/tests/ConfigLocale_test.cpp
+++ b/libs/androidfw/tests/ConfigLocale_test.cpp
@@ -125,10 +125,10 @@
 
      if (script != NULL) {
          memcpy(out->localeScript, script, 4);
-         out->localeScriptWasProvided = true;
+         out->localeScriptWasComputed = false;
      } else {
          out->computeScript();
-         out->localeScriptWasProvided = false;
+         out->localeScriptWasComputed = true;
      }
 
      if (variant != NULL) {
@@ -182,7 +182,7 @@
     EXPECT_EQ('n', test.language[1]);
     EXPECT_EQ('U', test.country[0]);
     EXPECT_EQ('S', test.country[1]);
-    EXPECT_FALSE(test.localeScriptWasProvided);
+    EXPECT_TRUE(test.localeScriptWasComputed);
     EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
     EXPECT_EQ(0, test.localeVariant[0]);
 
@@ -203,7 +203,7 @@
     EXPECT_EQ('e', test.language[0]);
     EXPECT_EQ('n', test.language[1]);
     EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
-    EXPECT_TRUE(test.localeScriptWasProvided);
+    EXPECT_FALSE(test.localeScriptWasComputed);
     memset(out, 1, 4);
     test.unpackRegion(out);
     EXPECT_EQ('4', out[0]);
@@ -216,7 +216,7 @@
     EXPECT_EQ('d', out[0]);
     EXPECT_EQ('e', out[1]);
     EXPECT_EQ('\0', out[2]);
-    EXPECT_FALSE(test.localeScriptWasProvided);
+    EXPECT_TRUE(test.localeScriptWasComputed);
     EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
     memset(out, 1, 4);
     test.unpackRegion(out);
@@ -229,7 +229,7 @@
     EXPECT_EQ('d', out[0]);
     EXPECT_EQ('e', out[1]);
     EXPECT_EQ('\0', out[2]);
-    EXPECT_TRUE(test.localeScriptWasProvided);
+    EXPECT_FALSE(test.localeScriptWasComputed);
     EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
     memset(out, 1, 4);
     test.unpackRegion(out);
@@ -270,11 +270,11 @@
     fillIn("en", NULL, "Latn", NULL, &config);
 
     char out[RESTABLE_MAX_LOCALE_LEN];
-    config.localeScriptWasProvided = true;
+    config.localeScriptWasComputed = false;
     config.getBcp47Locale(out);
     EXPECT_EQ(0, strcmp("en-Latn", out));
 
-    config.localeScriptWasProvided = false;
+    config.localeScriptWasComputed = true;
     config.getBcp47Locale(out);
     EXPECT_EQ(0, strcmp("en", out));
 }
@@ -379,7 +379,7 @@
 
     // emulate packages built with older AAPT
     memset(supported.localeScript, '\0', 4);
-    supported.localeScriptWasProvided = false;
+    supported.localeScriptWasComputed = false;
 
     EXPECT_TRUE(supported.match(requested));
 }
diff --git a/libs/hwui/Android.mk b/libs/hwui/Android.mk
index 54b453d..70995ac 100644
--- a/libs/hwui/Android.mk
+++ b/libs/hwui/Android.mk
@@ -2,7 +2,7 @@
 include $(CLEAR_VARS)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
-HWUI_NEW_OPS := false
+HWUI_NEW_OPS := true
 
 # Enables fine-grained GLES error checking
 # If set to true, every GLES call is wrapped & error checked
diff --git a/libs/hwui/BakedOpRenderer.cpp b/libs/hwui/BakedOpRenderer.cpp
index c147384..98493d7 100644
--- a/libs/hwui/BakedOpRenderer.cpp
+++ b/libs/hwui/BakedOpRenderer.cpp
@@ -135,17 +135,7 @@
         mRenderState.stencil().disable();
     }
 
-    mCaches.clearGarbage();
-    mCaches.pathCache.trim();
-    mCaches.tessellationCache.trim();
-
-#if DEBUG_MEMORY_USAGE
-    mCaches.dumpMemoryUsage();
-#else
-    if (Properties::debugLevel & kDebugMemory) {
-        mCaches.dumpMemoryUsage();
-    }
-#endif
+    // Note: we leave FBO 0 renderable here, for post-frame-content decoration
 }
 
 void BakedOpRenderer::setViewport(uint32_t width, uint32_t height) {
@@ -179,6 +169,38 @@
     return texture;
 }
 
+void BakedOpRenderer::drawRects(const float* rects, int count, const SkPaint* paint) {
+    std::vector<Vertex> vertices;
+    vertices.reserve(count);
+    Vertex* vertex = vertices.data();
+
+    for (int index = 0; index < count; index += 4) {
+        float l = rects[index + 0];
+        float t = rects[index + 1];
+        float r = rects[index + 2];
+        float b = rects[index + 3];
+
+        Vertex::set(vertex++, l, t);
+        Vertex::set(vertex++, r, t);
+        Vertex::set(vertex++, l, b);
+        Vertex::set(vertex++, r, b);
+    }
+
+    LOG_ALWAYS_FATAL_IF(mRenderTarget.frameBufferId != 0, "decoration only supported for FBO 0");
+    // TODO: Currently assume full FBO damage, due to FrameInfoVisualizer::unionDirty.
+    // Should should scissor safely.
+    mRenderState.scissor().setEnabled(false);
+    Glop glop;
+    GlopBuilder(mRenderState, mCaches, &glop)
+            .setRoundRectClipState(nullptr)
+            .setMeshIndexedQuads(vertices.data(), count / 4)
+            .setFillPaint(*paint, 1.0f)
+            .setTransform(Matrix4::identity(), TransformFlags::None)
+            .setModelViewIdentityEmptyBounds()
+            .build();
+    mRenderState.render(glop, mRenderTarget.orthoMatrix);
+}
+
 // clears and re-fills stencil with provided rendertarget space quads,
 // and then put stencil into test mode
 void BakedOpRenderer::setupStencilQuads(std::vector<Vertex>& quadVertices,
diff --git a/libs/hwui/BakedOpRenderer.h b/libs/hwui/BakedOpRenderer.h
index 55ea935..4b65255 100644
--- a/libs/hwui/BakedOpRenderer.h
+++ b/libs/hwui/BakedOpRenderer.h
@@ -85,6 +85,16 @@
     bool offscreenRenderTarget() { return mRenderTarget.offscreenBuffer != nullptr; }
     void dirtyRenderTarget(const Rect& dirtyRect);
     bool didDraw() const { return mHasDrawn; }
+
+    uint32_t getViewportWidth() const { return mRenderTarget.viewportWidth; }
+    uint32_t getViewportHeight() const { return mRenderTarget.viewportHeight; }
+
+    // simple draw methods, to be used for end frame decoration
+    void drawRect(float left, float top, float right, float bottom, const SkPaint* paint) {
+        float ltrb[4] = { left, top, right, bottom };
+        drawRects(ltrb, 4, paint);
+    }
+    void drawRects(const float* rects, int count, const SkPaint* paint);
 private:
     void setViewport(uint32_t width, uint32_t height);
     void clearColorBuffer(const Rect& clearRect);
diff --git a/libs/hwui/ClipArea.cpp b/libs/hwui/ClipArea.cpp
index 501cbe5..afe9807 100644
--- a/libs/hwui/ClipArea.cpp
+++ b/libs/hwui/ClipArea.cpp
@@ -375,15 +375,13 @@
             serialization->rect.set(mClipRegion.getBounds());
             break;
         }
+        // TODO: this is only done for draw time, should eventually avoid for record time
+        serialization->rect.snapToPixelBoundaries();
         mLastSerialization = serialization;
     }
     return mLastSerialization;
 }
 
-inline static const Rect& getRect(const ClipBase* scb) {
-    return reinterpret_cast<const ClipRect*>(scb)->rect;
-}
-
 inline static const RectangleList& getRectList(const ClipBase* scb) {
     return reinterpret_cast<const ClipRectList*>(scb)->rectList;
 }
@@ -425,9 +423,10 @@
                 && recordedClip->mode == ClipMode::Rectangle
                 && recordedClipTransform.rectToRect())) {
             // common case - result is a single rectangle
-            auto rectClip = allocator.create<ClipRect>(getRect(recordedClip));
+            auto rectClip = allocator.create<ClipRect>(recordedClip->rect);
             recordedClipTransform.mapRect(rectClip->rect);
             rectClip->rect.doIntersect(mClipRect);
+            rectClip->rect.snapToPixelBoundaries();
             mLastResolutionResult = rectClip;
         } else if (CC_UNLIKELY(mMode == ClipMode::Region
                 || recordedClip->mode == ClipMode::Region
@@ -438,11 +437,11 @@
             case ClipMode::Rectangle:
                 if (CC_LIKELY(recordedClipTransform.rectToRect())) {
                     // simple transform, skip creating SkPath
-                    Rect resultClip(getRect(recordedClip));
+                    Rect resultClip(recordedClip->rect);
                     recordedClipTransform.mapRect(resultClip);
                     other.setRect(resultClip.toSkIRect());
                 } else {
-                    SkPath transformedRect = pathFromTransformedRectangle(getRect(recordedClip),
+                    SkPath transformedRect = pathFromTransformedRectangle(recordedClip->rect,
                             recordedClipTransform);
                     other.setPath(transformedRect, createViewportRegion());
                 }
@@ -474,6 +473,7 @@
                 regionClip->region.op(mClipRegion, other, SkRegion::kIntersect_Op);
                 break;
             }
+            // Don't need to snap, since region's in int bounds
             regionClip->rect.set(regionClip->region.getBounds());
             mLastResolutionResult = regionClip;
         } else {
@@ -484,7 +484,7 @@
             }
 
             if (recordedClip->mode == ClipMode::Rectangle) {
-                rectList.intersectWith(getRect(recordedClip), recordedClipTransform);
+                rectList.intersectWith(recordedClip->rect, recordedClipTransform);
             } else {
                 const RectangleList& other = getRectList(recordedClip);
                 for (int i = 0; i < other.getTransformedRectanglesCount(); i++) {
@@ -495,6 +495,7 @@
                 }
             }
             rectListClip->rect = rectList.calculateBounds();
+            rectListClip->rect.snapToPixelBoundaries();
             mLastResolutionResult = rectListClip;
         }
     }
@@ -505,7 +506,7 @@
     if (!clip) return; // nothing to do
 
     if (CC_LIKELY(clip->mode == ClipMode::Rectangle)) {
-        clipRectWithTransform(getRect(clip), &transform, SkRegion::kIntersect_Op);
+        clipRectWithTransform(clip->rect, &transform, SkRegion::kIntersect_Op);
     } else if (CC_LIKELY(clip->mode == ClipMode::RectangleList)) {
         auto&& rectList = getRectList(clip);
         for (int i = 0; i < rectList.getTransformedRectanglesCount(); i++) {
diff --git a/libs/hwui/FrameInfoVisualizer.cpp b/libs/hwui/FrameInfoVisualizer.cpp
index b7dd3b7..adadd32 100644
--- a/libs/hwui/FrameInfoVisualizer.cpp
+++ b/libs/hwui/FrameInfoVisualizer.cpp
@@ -15,7 +15,11 @@
  */
 #include "FrameInfoVisualizer.h"
 
+#if HWUI_NEW_OPS
+#include "BakedOpRenderer.h"
+#else
 #include "OpenGLRenderer.h"
+#endif
 #include "utils/Color.h"
 
 #include <cutils/compiler.h>
@@ -88,7 +92,7 @@
     }
 }
 
-void FrameInfoVisualizer::draw(OpenGLRenderer* canvas) {
+void FrameInfoVisualizer::draw(ContentRenderer* renderer) {
     RETURN_IF_DISABLED();
 
     if (mShowDirtyRegions) {
@@ -96,7 +100,7 @@
         if (mFlashToggle) {
             SkPaint paint;
             paint.setColor(0x7fff0000);
-            canvas->drawRect(mDirtyRegion.fLeft, mDirtyRegion.fTop,
+            renderer->drawRect(mDirtyRegion.fLeft, mDirtyRegion.fTop,
                     mDirtyRegion.fRight, mDirtyRegion.fBottom, &paint);
         }
     }
@@ -111,9 +115,9 @@
         info.markSwapBuffers();
         info.markFrameCompleted();
 
-        initializeRects(canvas->getViewportHeight(), canvas->getViewportWidth());
-        drawGraph(canvas);
-        drawThreshold(canvas);
+        initializeRects(renderer->getViewportHeight(), renderer->getViewportWidth());
+        drawGraph(renderer);
+        drawThreshold(renderer);
     }
 }
 
@@ -194,27 +198,26 @@
     }
 }
 
-void FrameInfoVisualizer::drawGraph(OpenGLRenderer* canvas) {
+void FrameInfoVisualizer::drawGraph(ContentRenderer* renderer) {
     SkPaint paint;
     for (size_t i = 0; i < Bar.size(); i++) {
         nextBarSegment(Bar[i].start, Bar[i].end);
         paint.setColor(Bar[i].color & BAR_FAST_MASK);
-        canvas->drawRects(mFastRects.get(), mNumFastRects * 4, &paint);
+        renderer->drawRects(mFastRects.get(), mNumFastRects * 4, &paint);
         paint.setColor(Bar[i].color & BAR_JANKY_MASK);
-        canvas->drawRects(mJankyRects.get(), mNumJankyRects * 4, &paint);
+        renderer->drawRects(mJankyRects.get(), mNumJankyRects * 4, &paint);
     }
 }
 
-void FrameInfoVisualizer::drawThreshold(OpenGLRenderer* canvas) {
+void FrameInfoVisualizer::drawThreshold(ContentRenderer* renderer) {
     SkPaint paint;
     paint.setColor(THRESHOLD_COLOR);
-    paint.setStrokeWidth(mThresholdStroke);
-
-    float pts[4];
-    pts[0] = 0.0f;
-    pts[1] = pts[3] = canvas->getViewportHeight() - (FRAME_THRESHOLD * mVerticalUnit);
-    pts[2] = canvas->getViewportWidth();
-    canvas->drawLines(pts, 4, &paint);
+    float yLocation = renderer->getViewportHeight() - (FRAME_THRESHOLD * mVerticalUnit);
+    renderer->drawRect(0.0f,
+            yLocation - mThresholdStroke/2,
+            renderer->getViewportWidth(),
+            yLocation + mThresholdStroke/2,
+            &paint);
 }
 
 bool FrameInfoVisualizer::consumeProperties() {
diff --git a/libs/hwui/FrameInfoVisualizer.h b/libs/hwui/FrameInfoVisualizer.h
index cf877c4..83adf19 100644
--- a/libs/hwui/FrameInfoVisualizer.h
+++ b/libs/hwui/FrameInfoVisualizer.h
@@ -28,7 +28,13 @@
 namespace android {
 namespace uirenderer {
 
+#if HWUI_NEW_OPS
+class BakedOpRenderer;
+typedef BakedOpRenderer ContentRenderer;
+#else
 class OpenGLRenderer;
+typedef OpenGLRenderer ContentRenderer;
+#endif
 
 // TODO: This is a bit awkward as it needs to match the thing in CanvasContext
 // A better abstraction here would be nice but iterators are painful
@@ -46,7 +52,7 @@
     void setDensity(float density);
 
     void unionDirty(SkRect* dirty);
-    void draw(OpenGLRenderer* canvas);
+    void draw(ContentRenderer* renderer);
 
     void dumpData(int fd);
 
@@ -56,8 +62,8 @@
 
     void initializeRects(const int baseline, const int width);
     void nextBarSegment(FrameInfoIndex start, FrameInfoIndex end);
-    void drawGraph(OpenGLRenderer* canvas);
-    void drawThreshold(OpenGLRenderer* canvas);
+    void drawGraph(ContentRenderer* renderer);
+    void drawThreshold(ContentRenderer* renderer);
 
     inline float durationMS(size_t index, FrameInfoIndex start, FrameInfoIndex end) {
         float duration = mFrameSource[index].duration(start, end) * 0.000001f;
diff --git a/libs/hwui/RecordingCanvas.cpp b/libs/hwui/RecordingCanvas.cpp
index 9ae2212..ddf0528 100644
--- a/libs/hwui/RecordingCanvas.cpp
+++ b/libs/hwui/RecordingCanvas.cpp
@@ -24,6 +24,14 @@
 namespace android {
 namespace uirenderer {
 
+
+static Rect sUnreasonablyLargeBounds(-10000, -10000, 10000, 10000);
+
+static const Rect& getConservativeOpBounds(const ClipBase* clip) {
+    // if op is clipped, that rect can be used, but otherwise just use a conservatively large rect
+    return clip ? clip->rect : sUnreasonablyLargeBounds;
+}
+
 RecordingCanvas::RecordingCanvas(size_t width, size_t height)
         : mState(*this)
         , mResourceCache(ResourceCache::getInstance()) {
@@ -242,10 +250,8 @@
 
 void RecordingCanvas::drawPaint(const SkPaint& paint) {
     const ClipBase* clip = getRecordedClip();
-    // if there's no current clip, draw a big rect and hope we cover the eventual clip bounds
-    Rect bounds = clip ? clip->rect : Rect(-10000, -10000, 10000, 10000);
     addOp(alloc().create_trivial<RectOp>(
-            bounds,
+            getConservativeOpBounds(clip),
             Matrix4::identity(),
             clip,
             refPaint(&paint)));
@@ -534,10 +540,11 @@
             float hOffset, float vOffset, const SkPaint& paint) {
     if (!glyphs || glyphCount <= 0 || PaintUtils::paintWillNotDrawText(paint)) return;
     glyphs = refBuffer<glyph_t>(glyphs, glyphCount);
+    auto clip = getRecordedClip();
     addOp(alloc().create_trivial<TextOnPathOp>(
-            mState.getLocalClipBounds(), // TODO: explicitly define bounds
+            getConservativeOpBounds(clip), // TODO: explicitly define bounds
             *(mState.currentSnapshot()->transform),
-            getRecordedClip(),
+            clip,
             refPaint(&paint), glyphs, glyphCount, refPath(&path), hOffset, vOffset));
 }
 
@@ -586,10 +593,11 @@
 
 void RecordingCanvas::callDrawGLFunction(Functor* functor) {
     mDisplayList->functors.push_back(functor);
+    auto clip = getRecordedClip();
     addOp(alloc().create_trivial<FunctorOp>(
-            mState.getLocalClipBounds(), // TODO: explicitly define bounds
+            getConservativeOpBounds(clip), // TODO: explicitly define bounds
             *(mState.currentSnapshot()->transform),
-            getRecordedClip(),
+            clip,
             functor));
 }
 
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 249d83f..a496b49 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -348,12 +348,26 @@
     FrameBuilder frameBuilder(mLayerUpdateQueue, dirty, frame.width(), frame.height(),
             mRenderNodes, mLightGeometry, mContentDrawBounds, &Caches::getInstance());
     mLayerUpdateQueue.clear();
-    BakedOpRenderer renderer(Caches::getInstance(), mRenderThread.renderState(),
+    auto&& caches = Caches::getInstance();
+    BakedOpRenderer renderer(caches, mRenderThread.renderState(),
             mOpaque, mLightInfo);
-    // TODO: profiler().draw(mCanvas);
     frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
+    profiler().draw(&renderer);
     bool drew = renderer.didDraw();
 
+    // post frame cleanup
+    caches.clearGarbage();
+    caches.pathCache.trim();
+    caches.tessellationCache.trim();
+
+#if DEBUG_MEMORY_USAGE
+    mCaches.dumpMemoryUsage();
+#else
+    if (CC_UNLIKELY(Properties::debugLevel & kDebugMemory)) {
+        caches.dumpMemoryUsage();
+    }
+#endif
+
 #else
     mCanvas->prepareDirty(frame.width(), frame.height(),
             dirty.fLeft, dirty.fTop, dirty.fRight, dirty.fBottom, mOpaque);
diff --git a/libs/hwui/tests/unit/ClipAreaTests.cpp b/libs/hwui/tests/unit/ClipAreaTests.cpp
index dc2ea07..822d04f 100644
--- a/libs/hwui/tests/unit/ClipAreaTests.cpp
+++ b/libs/hwui/tests/unit/ClipAreaTests.cpp
@@ -27,7 +27,7 @@
 namespace android {
 namespace uirenderer {
 
-static Rect kViewportBounds(0, 0, 2048, 2048);
+static Rect kViewportBounds(2048, 2048);
 
 static ClipArea createClipArea() {
     ClipArea area;
@@ -140,17 +140,15 @@
 
     // rect list
     Matrix4 rotate;
-    rotate.loadRotate(2.0f);
-    area.clipRectWithTransform(Rect(200, 200), &rotate, SkRegion::kIntersect_Op);
+    rotate.loadRotate(5.0f);
+    area.clipRectWithTransform(Rect(50, 50, 150, 150), &rotate, SkRegion::kIntersect_Op);
     {
         auto serializedClip = area.serializeClip(allocator);
         ASSERT_NE(nullptr, serializedClip);
         ASSERT_EQ(ClipMode::RectangleList, serializedClip->mode);
         auto clipRectList = reinterpret_cast<const ClipRectList*>(serializedClip);
         EXPECT_EQ(2, clipRectList->rectList.getTransformedRectanglesCount());
-        EXPECT_FALSE(clipRectList->rect.isEmpty());
-        EXPECT_FLOAT_EQ(199.87817f, clipRectList->rect.right)
-            << "Right side should be clipped by rotated rect";
+        EXPECT_EQ(Rect(37, 54, 145, 163), clipRectList->rect);
         EXPECT_EQ(serializedClip, area.serializeClip(allocator))
                 << "Requery of clip on unmodified ClipArea must return same pointer.";
     }
@@ -241,5 +239,28 @@
     }
 }
 
+TEST(ClipArea, serializeIntersectedClip_snap) {
+    ClipArea area(createClipArea());
+    area.setClip(100.2, 100.4, 500.6, 500.8);
+    LinearAllocator allocator;
+
+    {
+        // no recorded clip case
+        auto resolvedClip = area.serializeIntersectedClip(allocator, nullptr, Matrix4::identity());
+        EXPECT_EQ(Rect(100, 100, 501, 501), resolvedClip->rect);
+    }
+    {
+        // recorded clip case
+        ClipRect recordedClip(Rect(100.12, 100.74));
+        Matrix4 translateScale;
+        translateScale.loadTranslate(100, 100, 0);
+        translateScale.scale(2, 3, 1); // recorded clip will have non-int coords, even after transform
+        auto resolvedClip = area.serializeIntersectedClip(allocator, &recordedClip, translateScale);
+        ASSERT_NE(nullptr, resolvedClip);
+        EXPECT_EQ(ClipMode::Rectangle, resolvedClip->mode);
+        EXPECT_EQ(Rect(100, 100, 300, 402), resolvedClip->rect);
+    }
+}
+
 } // namespace uirenderer
 } // namespace android
diff --git a/libs/hwui/tests/unit/RecordingCanvasTests.cpp b/libs/hwui/tests/unit/RecordingCanvasTests.cpp
index c39047c..d35b1f9 100644
--- a/libs/hwui/tests/unit/RecordingCanvasTests.cpp
+++ b/libs/hwui/tests/unit/RecordingCanvasTests.cpp
@@ -442,9 +442,7 @@
             // since the same clip will be computed at draw time. If such a change is made, this
             // check could be done at record time by querying the clip, or the clip could be altered
             // slightly so that it is serialized.
-            EXPECT_RECT_APPROX_EQ(Rect(58.57864, 58.57864, 341.42136, 341.42136),
-                    (reinterpret_cast<const ClipRect*>(op.localClip))->rect);
-
+            EXPECT_EQ(Rect(59, 59, 341, 341), op.localClip->rect);
             EXPECT_EQ(Rect(400, 400), op.unmappedBounds);
             expectedMatrix.loadIdentity();
             EXPECT_MATRIX_APPROX_EQ(expectedMatrix, op.localMatrix);
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index c7e96cf..8206d23 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -2147,9 +2147,10 @@
                                 }
                                 break;
                             case MSSG_RECORDING_CONFIG_CHANGE:
-                                final AudioRecordingCallback cb = (AudioRecordingCallback) msg.obj;
-                                if (cb != null) {
-                                    cb.onRecordConfigChanged();
+                                final RecordConfigChangeCallbackData cbData =
+                                        (RecordConfigChangeCallbackData) msg.obj;
+                                if (cbData.mCb != null) {
+                                    cbData.mCb.onRecordConfigChanged(cbData.mConfigs);
                                 }
                                 break;
                             default:
@@ -2734,8 +2735,10 @@
     public static abstract class AudioRecordingCallback {
         /**
          * Called whenever the device recording configuration has changed.
+         * @param configs array containing the results of
+         *      {@link AudioManager#getActiveRecordConfigurations()}.
          */
-        public void onRecordConfigChanged() {}
+        public void onRecordConfigChanged(AudioRecordConfiguration[] configs) {}
     }
 
     private static class AudioRecordingCallbackInfo {
@@ -2747,6 +2750,17 @@
         }
     }
 
+    private final static class RecordConfigChangeCallbackData {
+        final AudioRecordingCallback mCb;
+        final AudioRecordConfiguration[] mConfigs;
+
+        RecordConfigChangeCallbackData(AudioRecordingCallback cb,
+                AudioRecordConfiguration[] configs) {
+            mCb = cb;
+            mConfigs = configs;
+        }
+    }
+
     /**
      * Register a callback to be notified of audio recording changes through
      * {@link AudioRecordingCallback}
@@ -2882,14 +2896,15 @@
 
     private final IRecordingConfigDispatcher mRecCb = new IRecordingConfigDispatcher.Stub() {
 
-        public void dispatchRecordingConfigChange() {
+        public void dispatchRecordingConfigChange(AudioRecordConfiguration[] configs) {
             synchronized(mRecordCallbackLock) {
                 if (mRecordCallbackList != null) {
                     for (int i=0 ; i < mRecordCallbackList.size() ; i++) {
                         final AudioRecordingCallbackInfo arci = mRecordCallbackList.get(i);
                         if (arci.mHandler != null) {
                             final Message m = arci.mHandler.obtainMessage(
-                                    MSSG_RECORDING_CONFIG_CHANGE/*what*/, arci.mCb/*obj*/);
+                                    MSSG_RECORDING_CONFIG_CHANGE/*what*/,
+                                    new RecordConfigChangeCallbackData(arci.mCb, configs)/*obj*/);
                             arci.mHandler.sendMessage(m);
                         }
                     }
diff --git a/media/java/android/media/AudioRecordConfiguration.java b/media/java/android/media/AudioRecordConfiguration.java
index 2fc8ee8..de78a5a 100644
--- a/media/java/android/media/AudioRecordConfiguration.java
+++ b/media/java/android/media/AudioRecordConfiguration.java
@@ -16,10 +16,13 @@
 
 package android.media;
 
+import android.annotation.IntDef;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.Log;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.Objects;
 
@@ -53,6 +56,19 @@
         mPatchHandle = patchHandle;
     }
 
+    /** @hide */
+    @IntDef({
+        MediaRecorder.AudioSource.DEFAULT,
+        MediaRecorder.AudioSource.VOICE_UPLINK,
+        MediaRecorder.AudioSource.VOICE_DOWNLINK,
+        MediaRecorder.AudioSource.VOICE_CALL,
+        MediaRecorder.AudioSource.CAMCORDER,
+        MediaRecorder.AudioSource.VOICE_RECOGNITION,
+        MediaRecorder.AudioSource.VOICE_COMMUNICATION
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface AudioSource {}
+
     /**
      * Returns the audio source being used for the recording.
      * @return one of {@link MediaRecorder.AudioSource#MIC},
@@ -63,7 +79,7 @@
      *       {@link MediaRecorder.AudioSource#VOICE_RECOGNITION},
      *       {@link MediaRecorder.AudioSource#VOICE_COMMUNICATION}.
      */
-    public int getClientAudioSource() { return mClientSource; }
+    public @AudioSource int getClientAudioSource() { return mClientSource; }
 
     /**
      * Returns the session number of the recording, see {@link AudioRecord#getAudioSessionId()}.
diff --git a/media/java/android/media/IRecordingConfigDispatcher.aidl b/media/java/android/media/IRecordingConfigDispatcher.aidl
index a5eb8b9f..eaa92ca 100644
--- a/media/java/android/media/IRecordingConfigDispatcher.aidl
+++ b/media/java/android/media/IRecordingConfigDispatcher.aidl
@@ -16,6 +16,8 @@
 
 package android.media;
 
+import android.media.AudioRecordConfiguration;
+
 /**
  * AIDL for the RecordingActivity monitor in AudioService to signal audio recording updates.
  *
@@ -23,6 +25,6 @@
  */
 oneway interface IRecordingConfigDispatcher {
 
-    void dispatchRecordingConfigChange();
+    void dispatchRecordingConfigChange(in AudioRecordConfiguration[] configs);
 
 }
diff --git a/media/java/android/media/IRingtonePlayer.aidl b/media/java/android/media/IRingtonePlayer.aidl
index 8091421..4b1e39f 100644
--- a/media/java/android/media/IRingtonePlayer.aidl
+++ b/media/java/android/media/IRingtonePlayer.aidl
@@ -18,6 +18,7 @@
 
 import android.media.AudioAttributes;
 import android.net.Uri;
+import android.os.ParcelFileDescriptor;
 import android.os.UserHandle;
 
 /**
@@ -36,4 +37,6 @@
 
     /** Return the title of the media. */
     String getTitle(in Uri uri);
+
+    ParcelFileDescriptor openRingtone(in Uri uri);
 }
diff --git a/media/java/android/media/MediaExtractor.java b/media/java/android/media/MediaExtractor.java
index b339925..177344a 100644
--- a/media/java/android/media/MediaExtractor.java
+++ b/media/java/android/media/MediaExtractor.java
@@ -28,6 +28,8 @@
 import android.net.Uri;
 import android.os.IBinder;
 
+import com.android.internal.util.Preconditions;
+
 import java.io.FileDescriptor;
 import java.io.IOException;
 import java.lang.annotation.Retention;
@@ -189,6 +191,26 @@
     }
 
     /**
+     * Sets the data source (AssetFileDescriptor) to use. It is the caller's
+     * responsibility to close the file descriptor. It is safe to do so as soon
+     * as this call returns.
+     *
+     * @param afd the AssetFileDescriptor for the file you want to extract from.
+     */
+    public final void setDataSource(@NonNull AssetFileDescriptor afd)
+            throws IOException, IllegalArgumentException, IllegalStateException {
+        Preconditions.checkNotNull(afd);
+        // Note: using getDeclaredLength so that our behavior is the same
+        // as previous versions when the content provider is returning
+        // a full file.
+        if (afd.getDeclaredLength() < 0) {
+            setDataSource(afd.getFileDescriptor());
+        } else {
+            setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getDeclaredLength());
+        }
+    }
+
+    /**
      * Sets the data source (FileDescriptor) to use. It is the caller's responsibility
      * to close the file descriptor. It is safe to do so as soon as this call returns.
      *
diff --git a/media/java/android/media/MediaFormat.java b/media/java/android/media/MediaFormat.java
index 646ab4e..a0e2481 100644
--- a/media/java/android/media/MediaFormat.java
+++ b/media/java/android/media/MediaFormat.java
@@ -644,6 +644,21 @@
     /** Full range. Y, Cr and Cb component values range from 0 to 255 for 8-bit content. */
     public static final int COLOR_RANGE_FULL = 1;
 
+    /**
+     * A key describing a unique ID for the content of a media track.
+     *
+     * <p>This key is used by {@link MediaExtractor}. Some extractors provide multiple encodings
+     * of the same track (e.g. float audio tracks for FLAC and WAV may be expressed as two
+     * tracks via MediaExtractor: a normal PCM track for backward compatibility, and a float PCM
+     * track for added fidelity. Similarly, Dolby Vision extractor may provide a baseline SDR
+     * version of a DV track.) This key can be used to identify which MediaExtractor tracks refer
+     * to the same underlying content.
+     * </p>
+     *
+     * The associated value is an integer.
+     */
+    public static final String KEY_TRACK_ID = "track-id";
+
     /* package private */ MediaFormat(Map<String, Object> map) {
         mMap = map;
     }
diff --git a/media/java/android/media/MediaPlayer.java b/media/java/android/media/MediaPlayer.java
index adf8551..b78869e 100644
--- a/media/java/android/media/MediaPlayer.java
+++ b/media/java/android/media/MediaPlayer.java
@@ -2845,13 +2845,17 @@
                             MEDIA_ERROR, MEDIA_ERROR_UNKNOWN, MEDIA_ERROR_UNSUPPORTED, null);
                     sendMessage(msg2);
                 }
-                if (mOnPreparedListener != null)
-                    mOnPreparedListener.onPrepared(mMediaPlayer);
+                OnPreparedListener onPreparedListener = mOnPreparedListener;
+                if (onPreparedListener != null)
+                    onPreparedListener.onPrepared(mMediaPlayer);
                 return;
 
             case MEDIA_PLAYBACK_COMPLETE:
-                if (mOnCompletionListener != null)
-                    mOnCompletionListener.onCompletion(mMediaPlayer);
+                {
+                    OnCompletionListener onCompletionListener = mOnCompletionListener;
+                    if (onCompletionListener != null)
+                        onCompletionListener.onCompletion(mMediaPlayer);
+                }
                 stayAwake(false);
                 return;
 
@@ -2875,13 +2879,15 @@
                 break;
 
             case MEDIA_BUFFERING_UPDATE:
-                if (mOnBufferingUpdateListener != null)
-                    mOnBufferingUpdateListener.onBufferingUpdate(mMediaPlayer, msg.arg1);
+                OnBufferingUpdateListener onBufferingUpdateListener = mOnBufferingUpdateListener;
+                if (onBufferingUpdateListener != null)
+                    onBufferingUpdateListener.onBufferingUpdate(mMediaPlayer, msg.arg1);
                 return;
 
             case MEDIA_SEEK_COMPLETE:
-                if (mOnSeekCompleteListener != null) {
-                    mOnSeekCompleteListener.onSeekComplete(mMediaPlayer);
+                OnSeekCompleteListener onSeekCompleteListener = mOnSeekCompleteListener;
+                if (onSeekCompleteListener != null) {
+                    onSeekCompleteListener.onSeekComplete(mMediaPlayer);
                 }
                 // fall through
 
@@ -2895,8 +2901,9 @@
                 return;
 
             case MEDIA_SET_VIDEO_SIZE:
-                if (mOnVideoSizeChangedListener != null) {
-                    mOnVideoSizeChangedListener.onVideoSizeChanged(
+                OnVideoSizeChangedListener onVideoSizeChangedListener = mOnVideoSizeChangedListener;
+                if (onVideoSizeChangedListener != null) {
+                    onVideoSizeChangedListener.onVideoSizeChanged(
                         mMediaPlayer, msg.arg1, msg.arg2);
                 }
                 return;
@@ -2904,11 +2911,15 @@
             case MEDIA_ERROR:
                 Log.e(TAG, "Error (" + msg.arg1 + "," + msg.arg2 + ")");
                 boolean error_was_handled = false;
-                if (mOnErrorListener != null) {
-                    error_was_handled = mOnErrorListener.onError(mMediaPlayer, msg.arg1, msg.arg2);
+                OnErrorListener onErrorListener = mOnErrorListener;
+                if (onErrorListener != null) {
+                    error_was_handled = onErrorListener.onError(mMediaPlayer, msg.arg1, msg.arg2);
                 }
-                if (mOnCompletionListener != null && ! error_was_handled) {
-                    mOnCompletionListener.onCompletion(mMediaPlayer);
+                {
+                    OnCompletionListener onCompletionListener = mOnCompletionListener;
+                    if (onCompletionListener != null && ! error_was_handled) {
+                        onCompletionListener.onCompletion(mMediaPlayer);
+                    }
                 }
                 stayAwake(false);
                 return;
@@ -2944,47 +2955,52 @@
                     break;
                 }
 
-                if (mOnInfoListener != null) {
-                    mOnInfoListener.onInfo(mMediaPlayer, msg.arg1, msg.arg2);
+                OnInfoListener onInfoListener = mOnInfoListener;
+                if (onInfoListener != null) {
+                    onInfoListener.onInfo(mMediaPlayer, msg.arg1, msg.arg2);
                 }
                 // No real default action so far.
                 return;
             case MEDIA_TIMED_TEXT:
-                if (mOnTimedTextListener == null)
+                OnTimedTextListener onTimedTextListener = mOnTimedTextListener;
+                if (onTimedTextListener == null)
                     return;
                 if (msg.obj == null) {
-                    mOnTimedTextListener.onTimedText(mMediaPlayer, null);
+                    onTimedTextListener.onTimedText(mMediaPlayer, null);
                 } else {
                     if (msg.obj instanceof Parcel) {
                         Parcel parcel = (Parcel)msg.obj;
                         TimedText text = new TimedText(parcel);
                         parcel.recycle();
-                        mOnTimedTextListener.onTimedText(mMediaPlayer, text);
+                        onTimedTextListener.onTimedText(mMediaPlayer, text);
                     }
                 }
                 return;
 
             case MEDIA_SUBTITLE_DATA:
-                if (mOnSubtitleDataListener == null) {
+                OnSubtitleDataListener onSubtitleDataListener = mOnSubtitleDataListener;
+                if (onSubtitleDataListener == null) {
                     return;
                 }
                 if (msg.obj instanceof Parcel) {
                     Parcel parcel = (Parcel) msg.obj;
                     SubtitleData data = new SubtitleData(parcel);
                     parcel.recycle();
-                    mOnSubtitleDataListener.onSubtitleData(mMediaPlayer, data);
+                    onSubtitleDataListener.onSubtitleData(mMediaPlayer, data);
                 }
                 return;
 
             case MEDIA_META_DATA:
-                if (mOnTimedMetaDataAvailableListener == null) {
+                OnTimedMetaDataAvailableListener onTimedMetaDataAvailableListener =
+                    mOnTimedMetaDataAvailableListener;
+                if (onTimedMetaDataAvailableListener == null) {
                     return;
                 }
                 if (msg.obj instanceof Parcel) {
                     Parcel parcel = (Parcel) msg.obj;
                     TimedMetaData data = TimedMetaData.createTimedMetaDataFromParcel(parcel);
                     parcel.recycle();
-                    mOnTimedMetaDataAvailableListener.onTimedMetaDataAvailable(mMediaPlayer, data);
+                    onTimedMetaDataAvailableListener.onTimedMetaDataAvailable(mMediaPlayer, data);
                 }
                 return;
 
diff --git a/media/java/android/media/MediaScanner.java b/media/java/android/media/MediaScanner.java
index 78f357f..5fd85d1 100644
--- a/media/java/android/media/MediaScanner.java
+++ b/media/java/android/media/MediaScanner.java
@@ -1042,13 +1042,13 @@
 
             if(needToSetSettings) {
                 if (notifications) {
-                    setSettingIfNotSet(Settings.System.NOTIFICATION_SOUND, tableUri, rowId);
+                    setRingtoneIfNotSet(Settings.System.NOTIFICATION_SOUND, tableUri, rowId);
                     mDefaultNotificationSet = true;
                 } else if (ringtones) {
-                    setSettingIfNotSet(Settings.System.RINGTONE, tableUri, rowId);
+                    setRingtoneIfNotSet(Settings.System.RINGTONE, tableUri, rowId);
                     mDefaultRingtoneSet = true;
                 } else if (alarms) {
-                    setSettingIfNotSet(Settings.System.ALARM_ALERT, tableUri, rowId);
+                    setRingtoneIfNotSet(Settings.System.ALARM_ALERT, tableUri, rowId);
                     mDefaultAlarmSet = true;
                 }
             }
@@ -1063,18 +1063,18 @@
                     pathFilenameStart + filenameLength == path.length();
         }
 
-        private void setSettingIfNotSet(String settingName, Uri uri, long rowId) {
-
-            if(wasSettingAlreadySet(settingName)) {
+        private void setRingtoneIfNotSet(String settingName, Uri uri, long rowId) {
+            if (wasRingtoneAlreadySet(settingName)) {
                 return;
             }
 
             ContentResolver cr = mContext.getContentResolver();
             String existingSettingValue = Settings.System.getString(cr, settingName);
             if (TextUtils.isEmpty(existingSettingValue)) {
-                // Set the setting to the given URI
-                Settings.System.putString(cr, settingName,
-                        ContentUris.withAppendedId(uri, rowId).toString());
+                final Uri settingUri = Settings.System.getUriFor(settingName);
+                final Uri ringtoneUri = ContentUris.withAppendedId(uri, rowId);
+                RingtoneManager.setActualDefaultRingtoneUri(mContext,
+                        RingtoneManager.getDefaultType(settingUri), ringtoneUri);
             }
             Settings.System.putInt(cr, settingSetIndicatorName(settingName), 1);
         }
@@ -1107,7 +1107,7 @@
         return base + "_set";
     }
 
-    private boolean wasSettingAlreadySet(String name) {
+    private boolean wasRingtoneAlreadySet(String name) {
         ContentResolver cr = mContext.getContentResolver();
         String indicatorName = settingSetIndicatorName(name);
         try {
@@ -1134,9 +1134,9 @@
             selectionArgs = new String[] { "" };
         }
 
-        mDefaultRingtoneSet = wasSettingAlreadySet(Settings.System.RINGTONE);
-        mDefaultNotificationSet = wasSettingAlreadySet(Settings.System.NOTIFICATION_SOUND);
-        mDefaultAlarmSet = wasSettingAlreadySet(Settings.System.ALARM_ALERT);
+        mDefaultRingtoneSet = wasRingtoneAlreadySet(Settings.System.RINGTONE);
+        mDefaultNotificationSet = wasRingtoneAlreadySet(Settings.System.NOTIFICATION_SOUND);
+        mDefaultAlarmSet = wasRingtoneAlreadySet(Settings.System.ALARM_ALERT);
 
         // Tell the provider to not delete the file.
         // If the file is truly gone the delete is unnecessary, and we want to avoid
diff --git a/media/java/android/media/RingtoneManager.java b/media/java/android/media/RingtoneManager.java
index feb490d..4977391 100644
--- a/media/java/android/media/RingtoneManager.java
+++ b/media/java/android/media/RingtoneManager.java
@@ -30,7 +30,9 @@
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Environment;
+import android.os.ParcelFileDescriptor;
 import android.os.Process;
+import android.os.RemoteException;
 import android.provider.MediaStore;
 import android.provider.Settings;
 import android.provider.Settings.System;
@@ -223,9 +225,9 @@
      */
     public static final int URI_COLUMN_INDEX = 2;
 
-    private Activity mActivity;
-    private Context mContext;
-    
+    private final Activity mActivity;
+    private final Context mContext;
+
     private Cursor mCursor;
 
     private int mType = TYPE_RINGTONE;
@@ -246,7 +248,8 @@
      * @param activity The activity used to get a managed cursor.
      */
     public RingtoneManager(Activity activity) {
-        mContext = mActivity = activity;
+        mActivity = activity;
+        mContext = activity;
         setType(mType);
     }
 
@@ -258,6 +261,7 @@
      * @param context The context to used to get a cursor.
      */
     public RingtoneManager(Context context) {
+        mActivity = null;
         mContext = context;
         setType(mType);
     }
@@ -271,7 +275,6 @@
      * @see #EXTRA_RINGTONE_TYPE           
      */
     public void setType(int type) {
-
         if (mCursor != null) {
             throw new IllegalStateException(
                     "Setting filter columns should be done before querying for ringtones.");
@@ -656,18 +659,19 @@
      * @see #getActualDefaultRingtoneUri(Context, int)
      */
     public static void setActualDefaultRingtoneUri(Context context, int type, Uri ringtoneUri) {
+        final ContentResolver resolver = context.getContentResolver();
+
         String setting = getSettingForType(type);
         if (setting == null) return;
-        Settings.System.putString(context.getContentResolver(), setting,
+        Settings.System.putString(resolver, setting,
                 ringtoneUri != null ? ringtoneUri.toString() : null);
 
         // Stream selected ringtone into cache so it's available for playback
         // when CE storage is still locked
         if (ringtoneUri != null) {
-            final ContentResolver cr = context.getContentResolver();
             final Uri cacheUri = getCacheForType(type);
-            try (InputStream in = cr.openInputStream(ringtoneUri);
-                    OutputStream out = cr.openOutputStream(cacheUri)) {
+            try (InputStream in = openRingtone(context, ringtoneUri);
+                    OutputStream out = resolver.openOutputStream(cacheUri)) {
                 Streams.copy(in, out);
             } catch (IOException e) {
                 Log.w(TAG, "Failed to cache ringtone: " + e);
@@ -675,6 +679,28 @@
         }
     }
 
+    /**
+     * Try opening the given ringtone locally first, but failover to
+     * {@link IRingtonePlayer} if we can't access it directly. Typically happens
+     * when process doesn't hold
+     * {@link android.Manifest.permission#READ_EXTERNAL_STORAGE}.
+     */
+    private static InputStream openRingtone(Context context, Uri uri) throws IOException {
+        final ContentResolver resolver = context.getContentResolver();
+        try {
+            return resolver.openInputStream(uri);
+        } catch (SecurityException | IOException e) {
+            Log.w(TAG, "Failed to open directly; attempting failover: " + e);
+            final IRingtonePlayer player = context.getSystemService(AudioManager.class)
+                    .getRingtonePlayer();
+            try {
+                return new ParcelFileDescriptor.AutoCloseInputStream(player.openRingtone(uri));
+            } catch (Exception e2) {
+                throw new IOException(e2);
+            }
+        }
+    }
+
     private static String getSettingForType(int type) {
         if ((type & TYPE_RINGTONE) != 0) {
             return Settings.System.RINGTONE;
diff --git a/media/java/android/service/media/MediaBrowserService.java b/media/java/android/service/media/MediaBrowserService.java
index b5ea2a0..f593685 100644
--- a/media/java/android/service/media/MediaBrowserService.java
+++ b/media/java/android/service/media/MediaBrowserService.java
@@ -370,15 +370,14 @@
      * called when the loading is complete.
      * </p><p>
      * In case the media item does not have any children, call {@link Result#sendResult}
-     * with an empty list which is not {@code null}. If {@code null} is sent that means
-     * the given {@code parentId} is invalid and {@link MediaBrowser.SubscriptionCallback#onError}
-     * will be called.
+     * with an empty list. When the given {@code parentId} is invalid, implementations must
+     * call {@link Result#sendResult result.sendResult} with {@code null}, which will invoke
+     * {@link MediaBrowser.SubscriptionCallback#onError}.
      * </p>
      *
      * @param parentId The id of the parent media item whose children are to be
      *            queried.
-     * @param result The Result to send the list of children to. Send null if the
-     *            id is invalid.
+     * @param result The Result to send the list of children to.
      */
     public abstract void onLoadChildren(@NonNull String parentId,
             @NonNull Result<List<MediaBrowser.MediaItem>> result);
@@ -394,15 +393,14 @@
      * called when the loading is complete.
      * </p><p>
      * In case the media item does not have any children, call {@link Result#sendResult}
-     * with an empty list which is not {@code null}. If {@code null} is sent that means
-     * the given {@code parentId} is invalid and {@link MediaBrowser.SubscriptionCallback#onError}
-     * will be called.
+     * with an empty list. When the given {@code parentId} is invalid, implementations must
+     * call {@link Result#sendResult result.sendResult} with {@code null}, which will invoke
+     * {@link MediaBrowser.SubscriptionCallback#onError}.
      * </p>
      *
      * @param parentId The id of the parent media item whose children are to be
      *            queried.
-     * @param result The Result to send the list of children to. Send null if the
-     *            id is invalid.
+     * @param result The Result to send the list of children to.
      * @param options A bundle of service-specific arguments sent from the media
      *            browse. The information returned through the result should be
      *            affected by the contents of this bundle.
@@ -424,13 +422,18 @@
      * result.detach} may be called before returning from this function, and
      * then {@link Result#sendResult result.sendResult} called when the item has
      * been loaded.
-     * <p>
-     * The default implementation sends a null result.
+     * </p><p>
+     * When the given {@code itemId} is invalid, implementations must call
+     * {@link Result#sendResult result.sendResult} with {@code null}, which will
+     * invoke {@link MediaBrowser.ItemCallback#onError}.
+     * </p><p>
+     * The default implementation calls {@link Result#sendResult result.sendResult}
+     * with {@code null}.
+     * </p>
      *
      * @param itemId The id for the specific
      *            {@link android.media.browse.MediaBrowser.MediaItem}.
-     * @param result The Result to send the item to. Send null if the id is
-     *            invalid.
+     * @param result The Result to send the item to.
      */
     public void onLoadItem(String itemId, Result<MediaBrowser.MediaItem> result) {
         result.sendResult(null);
diff --git a/media/jni/android_media_MediaCodec.cpp b/media/jni/android_media_MediaCodec.cpp
index 2004a3a..d6994b3 100644
--- a/media/jni/android_media_MediaCodec.cpp
+++ b/media/jni/android_media_MediaCodec.cpp
@@ -1302,7 +1302,10 @@
     jobject patternObj = env->GetObjectField(cryptoInfoObj, gFields.cryptoInfoPatternID);
 
     CryptoPlugin::Pattern pattern;
-    if (patternObj != NULL) {
+    if (patternObj == NULL) {
+        pattern.mEncryptBlocks = 0;
+        pattern.mSkipBlocks = 0;
+    } else {
         pattern.mEncryptBlocks = env->GetIntField(patternObj, gFields.patternEncryptBlocksID);
         pattern.mSkipBlocks = env->GetIntField(patternObj, gFields.patternSkipBlocksID);
     }
diff --git a/media/jni/android_media_MediaDataSource.cpp b/media/jni/android_media_MediaDataSource.cpp
index 3b892cb..537b56d 100644
--- a/media/jni/android_media_MediaDataSource.cpp
+++ b/media/jni/android_media_MediaDataSource.cpp
@@ -116,7 +116,8 @@
         return UNKNOWN_ERROR;
     }
     if (mSizeIsCached) {
-        return mCachedSize;
+        *size = mCachedSize;
+        return OK;
     }
 
     JNIEnv* env = AndroidRuntime::getJNIEnv();
diff --git a/packages/DocumentsUI/perf-tests/Android.mk b/packages/DocumentsUI/perf-tests/Android.mk
index c83094e..11c163b 100644
--- a/packages/DocumentsUI/perf-tests/Android.mk
+++ b/packages/DocumentsUI/perf-tests/Android.mk
@@ -10,8 +10,8 @@
     ../tests/src/com/android/documentsui/DocumentsProviderHelper.java \
     ../tests/src/com/android/documentsui/StubProvider.java
 
-LOCAL_JAVA_LIBRARIES := android.test.runner
-LOCAL_STATIC_JAVA_LIBRARIES := android-support-v4 mockito-target ub-uiautomator
+LOCAL_JAVA_LIBRARIES := android-support-v4 android.test.runner
+LOCAL_STATIC_JAVA_LIBRARIES := mockito-target ub-uiautomator
 
 LOCAL_PACKAGE_NAME := DocumentsUIPerfTests
 LOCAL_INSTRUMENTATION_FOR := DocumentsUI
diff --git a/packages/DocumentsUI/perf-tests/src/com/android/documentsui/FilesActivityPerfTest.java b/packages/DocumentsUI/perf-tests/src/com/android/documentsui/FilesActivityPerfTest.java
index 05fd2f7..bf056f1 100644
--- a/packages/DocumentsUI/perf-tests/src/com/android/documentsui/FilesActivityPerfTest.java
+++ b/packages/DocumentsUI/perf-tests/src/com/android/documentsui/FilesActivityPerfTest.java
@@ -121,7 +121,7 @@
                 activity.removeEventListener(listener);
             }
 
-            assertEquals(i, measurements.size());
+            assertEquals(i + 1, measurements.size());
 
             // Go back to the empty root.
             bots.roots.openRoot(STRESS_ROOT_0_ID);
diff --git a/packages/DocumentsUI/res/drawable/ic_breadcrumb_arrow_down.xml b/packages/DocumentsUI/res/drawable/ic_breadcrumb_arrow_down.xml
new file mode 100644
index 0000000..199a308
--- /dev/null
+++ b/packages/DocumentsUI/res/drawable/ic_breadcrumb_arrow_down.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<rotate xmlns:android="http://schemas.android.com/apk/res/android"
+        android:fromDegrees="90"
+        android:toDegrees="90"
+        android:pivotX="50%"
+        android:pivotY="50%"
+        android:drawable="@drawable/ic_breadcrumb_arrow">
+</rotate>
\ No newline at end of file
diff --git a/packages/DocumentsUI/res/drawable/ic_sd_storage.xml b/packages/DocumentsUI/res/drawable/ic_sd_storage.xml
index b0f3cc3..5aeebbb 100644
--- a/packages/DocumentsUI/res/drawable/ic_sd_storage.xml
+++ b/packages/DocumentsUI/res/drawable/ic_sd_storage.xml
@@ -14,8 +14,8 @@
     limitations under the License.
 -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="48dp"
-        android:height="48dp"
+        android:width="24dp"
+        android:height="24dp"
         android:viewportWidth="24.0"
         android:viewportHeight="24.0">
     <path
diff --git a/packages/DocumentsUI/res/drawable/ic_usb_storage.xml b/packages/DocumentsUI/res/drawable/ic_usb_storage.xml
new file mode 100644
index 0000000..2a8d024
--- /dev/null
+++ b/packages/DocumentsUI/res/drawable/ic_usb_storage.xml
@@ -0,0 +1,24 @@
+<!--
+Copyright (C) 2015 The Android Open Source Project
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M15 7v4h1v2h-3V5h2l-3,-4,-3 4h2v8H8v-2.07c.7,-.37 1.2,-1.08 1.2,-1.93 0,-1.21,-.99,-2.2,-2.2,-2.2,-1.21 0,-2.2.99,-2.2 2.2 0 .85.5 1.56 1.2 1.93V13c0 1.11.89 2 2 2h3v3.05c-.71.37,-1.2 1.1,-1.2 1.95 0 1.22.99 2.2 2.2 2.2 1.21 0 2.2,-.98 2.2,-2.2 0,-.85,-.49,-1.58,-1.2,-1.95V15h3c1.11 0 2,-.89 2,-2v-2h1V7h-4z"/>
+</vector>
diff --git a/packages/DocumentsUI/res/layout/drawer_layout.xml b/packages/DocumentsUI/res/layout/drawer_layout.xml
index 065102b..b65c5a0 100644
--- a/packages/DocumentsUI/res/layout/drawer_layout.xml
+++ b/packages/DocumentsUI/res/layout/drawer_layout.xml
@@ -46,6 +46,8 @@
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
                     android:layout_marginStart="4dp"
+                    android:popupTheme="?actionBarPopupTheme"
+                    android:background="@android:color/transparent"
                     android:overlapAnchor="true" />
 
             </com.android.documentsui.DocumentsToolbar>
diff --git a/packages/DocumentsUI/res/layout/fixed_layout.xml b/packages/DocumentsUI/res/layout/fixed_layout.xml
index 84a928d..deb0894 100644
--- a/packages/DocumentsUI/res/layout/fixed_layout.xml
+++ b/packages/DocumentsUI/res/layout/fixed_layout.xml
@@ -44,6 +44,8 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="4dp"
+                android:popupTheme="?actionBarPopupTheme"
+                android:background="@android:color/transparent"
                 android:overlapAnchor="true" />
 
         </com.android.documentsui.DocumentsToolbar>
diff --git a/packages/DocumentsUI/res/layout/item_subdir.xml b/packages/DocumentsUI/res/layout/item_subdir.xml
index b8251d1..ffe4afe 100644
--- a/packages/DocumentsUI/res/layout/item_subdir.xml
+++ b/packages/DocumentsUI/res/layout/item_subdir.xml
@@ -24,16 +24,6 @@
     android:orientation="horizontal"
     android:baselineAligned="false">
 
-    <ImageView
-        android:id="@+id/subdir"
-        android:layout_width="24dp"
-        android:layout_height="24dp"
-        android:paddingEnd="8dp"
-        android:scaleType="centerInside"
-        android:visibility="gone"
-        android:src="@drawable/ic_subdirectory_arrow"
-        android:contentDescription="@null" />
-
     <TextView
         android:id="@android:id/title"
         android:layout_width="0dp"
diff --git a/packages/DocumentsUI/res/layout/item_subdir_title.xml b/packages/DocumentsUI/res/layout/item_subdir_title.xml
index de6c523..8d0d807 100644
--- a/packages/DocumentsUI/res/layout/item_subdir_title.xml
+++ b/packages/DocumentsUI/res/layout/item_subdir_title.xml
@@ -28,6 +28,7 @@
         android:singleLine="true"
         android:ellipsize="end"
         android:textAlignment="viewStart"
+        android:drawablePadding="12dp"
+        android:drawableRight="@drawable/ic_breadcrumb_arrow_down"
         android:textAppearance="@android:style/TextAppearance.DeviceDefault.Widget.ActionBar.Title" />
-
 </LinearLayout>
diff --git a/packages/DocumentsUI/res/layout/single_pane_layout.xml b/packages/DocumentsUI/res/layout/single_pane_layout.xml
index 235d22d..7b7e229 100644
--- a/packages/DocumentsUI/res/layout/single_pane_layout.xml
+++ b/packages/DocumentsUI/res/layout/single_pane_layout.xml
@@ -43,6 +43,8 @@
                 android:id="@+id/stack"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:popupTheme="?actionBarPopupTheme"
+                android:background="@android:color/transparent"
                 android:layout_marginStart="4dp"
                 android:overlapAnchor="true" />
 
diff --git a/packages/DocumentsUI/src/com/android/documentsui/NavigationView.java b/packages/DocumentsUI/src/com/android/documentsui/NavigationView.java
index 4cba135..c520204 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/NavigationView.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/NavigationView.java
@@ -220,17 +220,14 @@
                         .inflate(R.layout.item_subdir, parent, false);
             }
 
-            final ImageView subdir = (ImageView) convertView.findViewById(R.id.subdir);
             final TextView title = (TextView) convertView.findViewById(android.R.id.title);
             final DocumentInfo doc = getItem(position);
 
             if (position == 0) {
                 final RootInfo root = mEnv.getCurrentRoot();
                 title.setText(root.title);
-                subdir.setVisibility(View.GONE);
             } else {
                 title.setText(doc.displayName);
-                subdir.setVisibility(View.VISIBLE);
             }
 
             return convertView;
diff --git a/packages/DocumentsUI/src/com/android/documentsui/dirlist/ListDocumentHolder.java b/packages/DocumentsUI/src/com/android/documentsui/dirlist/ListDocumentHolder.java
index 8b619b6..0831dbf 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/dirlist/ListDocumentHolder.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/dirlist/ListDocumentHolder.java
@@ -52,13 +52,14 @@
         super(context, parent, R.layout.item_doc_list);
 
         mTitle = (TextView) itemView.findViewById(android.R.id.title);
-        mDetails = (LinearLayout) itemView.findViewById(R.id.line2);
         mDate = (TextView) itemView.findViewById(R.id.date);
         mSize = (TextView) itemView.findViewById(R.id.size);
         mSummary = (TextView) itemView.findViewById(android.R.id.summary);
         mIconMime = (ImageView) itemView.findViewById(R.id.icon_mime);
         mIconThumb = (ImageView) itemView.findViewById(R.id.icon_thumb);
         mIconCheck = (ImageView) itemView.findViewById(R.id.icon_check);
+        // Warning: mDetails view doesn't exists in layout-sw720dp-land layout
+        mDetails = (LinearLayout) itemView.findViewById(R.id.line2);
 
         mIconHelper = iconHelper;
     }
@@ -110,11 +111,11 @@
         mTitle.setVisibility(View.VISIBLE);
 
 
-        // Note, we don't show any details for any directory...ever.
+        boolean hasDetails = false;
         if (isDirectory) {
-            mDetails.setVisibility(View.GONE);
+            // Note, we don't show any details for any directory...ever.
+            hasDetails = false;
         } else {
-            boolean hasDetails = false;
             if (docSummary != null) {
                 hasDetails = true;
                 mSummary.setText(docSummary);
@@ -136,8 +137,11 @@
                 mSize.setText(Formatter.formatFileSize(mContext, docSize));
             } else {
                 mSize.setVisibility(View.GONE);
-                mDetails.setVisibility(View.GONE);
             }
+        }
+
+        // mDetails view doesn't exists in layout-sw720dp-land layout
+        if (mDetails != null) {
             mDetails.setVisibility(hasDetails ? View.VISIBLE : View.GONE);
         }
     }
diff --git a/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java b/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
index 29273a3..3eaf10a 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/model/RootInfo.java
@@ -16,6 +16,7 @@
 
 package com.android.documentsui.model;
 
+import static com.android.documentsui.Shared.DEBUG;
 import static com.android.documentsui.Shared.compareToIgnoreCaseNullable;
 import static com.android.documentsui.model.DocumentInfo.getCursorInt;
 import static com.android.documentsui.model.DocumentInfo.getCursorLong;
@@ -31,6 +32,7 @@
 import android.provider.DocumentsContract;
 import android.provider.DocumentsContract.Root;
 import android.text.TextUtils;
+import android.util.Log;
 
 import com.android.documentsui.IconUtils;
 import com.android.documentsui.R;
@@ -47,6 +49,8 @@
  * Representation of a {@link Root}.
  */
 public class RootInfo implements Durable, Parcelable, Comparable<RootInfo> {
+
+    private static final String TAG = "RootInfo";
     private static final int VERSION_INIT = 1;
     private static final int VERSION_DROP_TYPE = 2;
 
@@ -59,6 +63,8 @@
             TYPE_DOWNLOADS,
             TYPE_LOCAL,
             TYPE_MTP,
+            TYPE_SD,
+            TYPE_USB,
             TYPE_OTHER
     })
     @Retention(RetentionPolicy.SOURCE)
@@ -70,7 +76,9 @@
     public static final int TYPE_DOWNLOADS = 5;
     public static final int TYPE_LOCAL = 6;
     public static final int TYPE_MTP = 7;
-    public static final int TYPE_OTHER = 8;
+    public static final int TYPE_SD = 8;
+    public static final int TYPE_USB = 9;
+    public static final int TYPE_OTHER = 10;
 
     public String authority;
     public String rootId;
@@ -185,33 +193,40 @@
     private void deriveFields() {
         derivedMimeTypes = (mimeTypes != null) ? mimeTypes.split("\n") : null;
 
-        // TODO: remove these special case icons
         if (isHome()) {
+            derivedType = TYPE_LOCAL;
             derivedIcon = R.drawable.ic_root_documents;
-            derivedType = TYPE_LOCAL;
-        } else if (isExternalStorage()) {
-            derivedIcon = R.drawable.ic_root_smartphone;
-            derivedType = TYPE_LOCAL;
-            // TODO: Apply SD card icon to SD devices.
-        } else if (isDownloads()) {
-            derivedIcon = R.drawable.ic_root_download;
-            derivedType = TYPE_DOWNLOADS;
-        } else if (isImages()) {
-            derivedIcon = R.drawable.ic_doc_image;
-            derivedType = TYPE_IMAGES;
-        } else if (isVideos()) {
-            derivedIcon = R.drawable.ic_doc_video;
-            derivedType = TYPE_VIDEO;
-        } else if (isAudio()) {
-            derivedIcon = R.drawable.ic_doc_audio;
-            derivedType = TYPE_AUDIO;
-        } else if (isRecents()) {
-            derivedType = TYPE_RECENTS;
         } else if (isMtp()) {
             derivedType = TYPE_MTP;
+            derivedIcon = R.drawable.ic_usb_storage;
+        } else if (isUsb()) {
+            derivedType = TYPE_USB;
+            derivedIcon = R.drawable.ic_usb_storage;
+        } else if (isSd()) {
+            derivedType = TYPE_SD;
+            derivedIcon = R.drawable.ic_sd_storage;
+        } else if (isExternalStorage()) {
+            derivedType = TYPE_LOCAL;
+            derivedIcon = R.drawable.ic_root_smartphone;
+        } else if (isDownloads()) {
+            derivedType = TYPE_DOWNLOADS;
+            derivedIcon = R.drawable.ic_root_download;
+        } else if (isImages()) {
+            derivedType = TYPE_IMAGES;
+            derivedIcon = R.drawable.ic_doc_image;
+        } else if (isVideos()) {
+            derivedType = TYPE_VIDEO;
+            derivedIcon = R.drawable.ic_doc_video;
+        } else if (isAudio()) {
+            derivedType = TYPE_AUDIO;
+            derivedIcon = R.drawable.ic_doc_audio;
+        } else if (isRecents()) {
+            derivedType = TYPE_RECENTS;
         } else {
             derivedType = TYPE_OTHER;
         }
+
+        if (DEBUG) Log.d(TAG, "Finished deriving fields: " + this);
     }
 
     public Uri getUri() {
@@ -291,6 +306,14 @@
         return (flags & Root.FLAG_EMPTY) != 0;
     }
 
+    public boolean isSd() {
+        return (flags & Root.FLAG_REMOVABLE_SD) != 0;
+    }
+
+    public boolean isUsb() {
+        return (flags & Root.FLAG_REMOVABLE_USB) != 0;
+    }
+
     public Drawable loadIcon(Context context) {
         if (derivedIcon != 0) {
             return context.getDrawable(derivedIcon);
@@ -358,7 +381,14 @@
 
     @Override
     public String toString() {
-        return "Root{authority=" + authority + ", rootId=" + rootId + ", title=" + title + "}";
+        return "Root{"
+                + "authority=" + authority
+                + ", rootId=" + rootId
+                + ", title=" + title
+                + ", isUsb=" + isUsb()
+                + ", isSd=" + isSd()
+                + ", isMtp=" + isMtp()
+                + "}";
     }
 
     public String getDirectoryString() {
diff --git a/packages/DocumentsUI/tests/Android.mk b/packages/DocumentsUI/tests/Android.mk
index b65ac98..3983f78 100644
--- a/packages/DocumentsUI/tests/Android.mk
+++ b/packages/DocumentsUI/tests/Android.mk
@@ -7,8 +7,8 @@
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
 
-LOCAL_JAVA_LIBRARIES := android.test.runner
-LOCAL_STATIC_JAVA_LIBRARIES := android-support-v4 mockito-target ub-uiautomator
+LOCAL_JAVA_LIBRARIES := android-support-v4 android.test.runner
+LOCAL_STATIC_JAVA_LIBRARIES := mockito-target ub-uiautomator
 
 LOCAL_PACKAGE_NAME := DocumentsUITests
 LOCAL_INSTRUMENTATION_FOR := DocumentsUI
diff --git a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
index 3eda8ec..9a51b05 100644
--- a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
+++ b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
@@ -34,6 +34,7 @@
 import android.os.ParcelFileDescriptor;
 import android.os.ParcelFileDescriptor.OnCloseListener;
 import android.os.UserHandle;
+import android.os.storage.DiskInfo;
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.provider.DocumentsContract;
@@ -184,6 +185,14 @@
             root.flags = Root.FLAG_LOCAL_ONLY
                     | Root.FLAG_SUPPORTS_SEARCH | Root.FLAG_SUPPORTS_IS_CHILD;
 
+            final DiskInfo disk = volume.getDisk();
+            if (DEBUG) Log.d(TAG, "Disk for root " + rootId + " is " + disk);
+            if (disk != null && disk.isSd()) {
+                root.flags |= Root.FLAG_REMOVABLE_SD;
+            } else if (disk != null && disk.isUsb()) {
+                root.flags |= Root.FLAG_REMOVABLE_USB;
+            }
+
             if (volume.isPrimary()) {
                 // save off the primary volume for subsequent "Home" dir initialization.
                 primaryVolume = volume;
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
index 409f6a7..b1d42e7 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityContainer.java
@@ -519,6 +519,9 @@
     @Override
     public void showPromptReason(int reason) {
         if (mCurrentSecuritySelection != SecurityMode.None) {
+            if (reason != PROMPT_REASON_NONE) {
+                Log.i(TAG, "Strong auth required, reason: " + reason);
+            }
             getSecurityView(mCurrentSecuritySelection).showPromptReason(reason);
         }
     }
diff --git a/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java b/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
index 64f5cc6..4b62f24 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
@@ -731,7 +731,10 @@
 
         // The activity is a component name, therefore it is one or none.
         if (resolvedActivities.get(0).activityInfo.exported) {
-            intent.putExtra(PrintService.EXTRA_PRINT_JOB_INFO, mPrintJob);
+            PrintJobInfo.Builder printJobBuilder = new PrintJobInfo.Builder(mPrintJob);
+            printJobBuilder.setPages(mSelectedPages);
+
+            intent.putExtra(PrintService.EXTRA_PRINT_JOB_INFO, printJobBuilder.build());
             intent.putExtra(PrintService.EXTRA_PRINTER_INFO, printer);
             intent.putExtra(PrintService.EXTRA_PRINT_DOCUMENT_INFO,
                     mPrintedDocument.getDocumentInfo().info);
@@ -759,10 +762,14 @@
         // Take the advanced options without interpretation.
         mPrintJob.setAdvancedOptions(printJobInfo.getAdvancedOptions());
 
-        // Take copies without interpretation as the advanced print dialog
-        // cannot create a print job info with invalid copies.
-        mCopiesEditText.setText(String.valueOf(printJobInfo.getCopies()));
-        mPrintJob.setCopies(printJobInfo.getCopies());
+        if (printJobInfo.getCopies() < 1) {
+            Log.w(LOG_TAG, "Cannot apply return value from advanced options activity. Copies " +
+                    "must be 1 or more. Actual value is: " + printJobInfo.getCopies() + ". " +
+                    "Ignoring.");
+        } else {
+            mCopiesEditText.setText(String.valueOf(printJobInfo.getCopies()));
+            mPrintJob.setCopies(printJobInfo.getCopies());
+        }
 
         PrintAttributes currAttributes = mPrintJob.getAttributes();
         PrintAttributes newAttributes = printJobInfo.getAttributes();
@@ -771,7 +778,7 @@
             // Take the media size only if the current printer supports is.
             MediaSize oldMediaSize = currAttributes.getMediaSize();
             MediaSize newMediaSize = newAttributes.getMediaSize();
-            if (!oldMediaSize.equals(newMediaSize)) {
+            if (newMediaSize != null && !oldMediaSize.equals(newMediaSize)) {
                 final int mediaSizeCount = mMediaSizeSpinnerAdapter.getCount();
                 MediaSize newMediaSizePortrait = newAttributes.getMediaSize().asPortrait();
                 for (int i = 0; i < mediaSizeCount; i++) {
diff --git a/packages/SettingsLib/res/drawable/ic_info.xml b/packages/SettingsLib/res/drawable/ic_info.xml
new file mode 100644
index 0000000..afe7e6b
--- /dev/null
+++ b/packages/SettingsLib/res/drawable/ic_info.xml
@@ -0,0 +1,25 @@
+<!--
+    Copyright (C) 2016 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24"
+        android:viewportHeight="24"
+        android:tint="?android:attr/colorAccent">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z"/>
+</vector>
diff --git a/packages/SettingsLib/res/drawable/ic_settings_lock_outline.xml b/packages/SettingsLib/res/drawable/ic_settings_lock_outline.xml
deleted file mode 100644
index b3d7cf9..0000000
--- a/packages/SettingsLib/res/drawable/ic_settings_lock_outline.xml
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2016 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="21dp"
-        android:height="21dp"
-        android:viewportWidth="21.0"
-        android:viewportHeight="21.0"
-        android:tint="?android:attr/colorAccent">
-    <path
-            android:fillColor="@android:color/white"
-            android:pathData="M8,16c1.1,0,2-0.9,2-2s-0.9-2-2-2s-2,0.9-2,2S6.9,16,8,16zM14,7h-1V5c0-2.8-2.2-5-5-5S3,2.2,3,5v2H2C0.9,7,0,7.9,0,9v10c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2V9C16,7.9,15.1,7,14,7z M4.9,5c0-1.7,1.4-3.1,3.1-3.1s3.1,1.4,3.1,3.1v2H4.9V5z M14,19H2V9h12V19z" />
-</vector>
diff --git a/packages/SettingsLib/res/layout/restricted_icon.xml b/packages/SettingsLib/res/layout/restricted_icon.xml
new file mode 100644
index 0000000..d57fb80
--- /dev/null
+++ b/packages/SettingsLib/res/layout/restricted_icon.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/restricted_icon"
+    android:layout_width="@dimen/restricted_icon_size"
+    android:layout_height="@dimen/restricted_icon_size"
+    android:src="@drawable/ic_info"
+    android:gravity="end|center_vertical" />
\ No newline at end of file
diff --git a/packages/SettingsLib/res/layout/restricted_switch_widget.xml b/packages/SettingsLib/res/layout/restricted_switch_widget.xml
new file mode 100644
index 0000000..6183812
--- /dev/null
+++ b/packages/SettingsLib/res/layout/restricted_switch_widget.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<merge xmlns:android="http://schemas.android.com/apk/res/android">
+    <ImageView xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/restricted_icon"
+        android:layout_width="@dimen/restricted_icon_size"
+        android:layout_height="@dimen/restricted_icon_size"
+        android:src="@drawable/ic_info"
+        android:gravity="end|center_vertical" />
+    <!-- Based off frameworks/base/core/res/res/layout/preference_widget_switch.xml -->
+    <Switch xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+android:id/switch_widget"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:focusable="false"
+        android:clickable="false"
+        android:background="@null" />
+</merge>
\ No newline at end of file
diff --git a/packages/SettingsLib/res/values/dimens.xml b/packages/SettingsLib/res/values/dimens.xml
index 9f78e87..c3b3cfc 100644
--- a/packages/SettingsLib/res/values/dimens.xml
+++ b/packages/SettingsLib/res/values/dimens.xml
@@ -33,8 +33,8 @@
     <dimen name="user_spinner_item_height">56dp</dimen>
 
     <!-- Lock icon for preferences locked by admin -->
-    <dimen name="restricted_lock_icon_size">16dp</dimen>
-    <dimen name="restricted_lock_icon_padding">4dp</dimen>
+    <dimen name="restricted_icon_size">16dp</dimen>
+    <dimen name="restricted_icon_padding">4dp</dimen>
 
     <dimen name="wifi_preference_badge_padding">8dip</dimen>
 
diff --git a/packages/SettingsLib/res/values/strings.xml b/packages/SettingsLib/res/values/strings.xml
index 72fa939..ae2c6e7 100644
--- a/packages/SettingsLib/res/values/strings.xml
+++ b/packages/SettingsLib/res/values/strings.xml
@@ -773,6 +773,11 @@
     <!-- Summary for settings preference disabled by administrator [CHAR LIMIT=50] -->
     <string name="disabled_by_admin_summary_text">Controlled by admin</string>
 
+    <!-- Summary for switch preference to denote it is switched on [CHAR LIMIT=50] -->
+    <string name="enabled_by_admin">Enabled by administrator</string>
+    <!-- Summary for switch preference to denote it is switched on [CHAR LIMIT=50] -->
+    <string name="disabled_by_admin">Disabled by administrator</string>
+
     <!-- Option in navigation drawer that leads to Settings main screen [CHAR LIMIT=30] -->
     <string name="home">Home</string>
 
diff --git a/packages/SettingsLib/src/com/android/settingslib/RestrictedDropDownPreference.java b/packages/SettingsLib/src/com/android/settingslib/RestrictedDropDownPreference.java
index c2f885d..4c0450e 100644
--- a/packages/SettingsLib/src/com/android/settingslib/RestrictedDropDownPreference.java
+++ b/packages/SettingsLib/src/com/android/settingslib/RestrictedDropDownPreference.java
@@ -49,7 +49,7 @@
 
         mRestrictedPadlock = RestrictedLockUtils.getRestrictedPadlock(context);
         mRestrictedPadlockPadding = context.getResources().getDimensionPixelSize(
-                R.dimen.restricted_lock_icon_padding);
+                R.dimen.restricted_icon_padding);
     }
 
     private final OnItemSelectedListener mItemSelectedListener = new OnItemSelectedListener() {
diff --git a/packages/SettingsLib/src/com/android/settingslib/RestrictedLockImageSpan.java b/packages/SettingsLib/src/com/android/settingslib/RestrictedLockImageSpan.java
index e63130d..360a34c 100644
--- a/packages/SettingsLib/src/com/android/settingslib/RestrictedLockImageSpan.java
+++ b/packages/SettingsLib/src/com/android/settingslib/RestrictedLockImageSpan.java
@@ -36,7 +36,7 @@
 
         mContext = context;
         mExtraPadding = mContext.getResources().getDimensionPixelSize(
-                R.dimen.restricted_lock_icon_padding);
+                R.dimen.restricted_icon_padding);
         mRestrictedPadlock = RestrictedLockUtils.getRestrictedPadlock(mContext);
     }
 
@@ -53,7 +53,7 @@
 
         // Add extra padding before the padlock.
         float transX = x + mExtraPadding;
-        float transY = bottom - drawable.getBounds().bottom - paint.getFontMetricsInt().descent;
+        float transY = (bottom - drawable.getBounds().bottom) / 2.0f;
 
         canvas.translate(transX, transY);
         drawable.draw(canvas);
diff --git a/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java b/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
index 6d29c5f..d0c249f 100644
--- a/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
+++ b/packages/SettingsLib/src/com/android/settingslib/RestrictedLockUtils.java
@@ -49,9 +49,9 @@
      * @return drawables for displaying with settings that are locked by a device admin.
      */
     public static Drawable getRestrictedPadlock(Context context) {
-        Drawable restrictedPadlock = context.getDrawable(R.drawable.ic_settings_lock_outline);
+        Drawable restrictedPadlock = context.getDrawable(R.drawable.ic_info);
         final int iconSize = context.getResources().getDimensionPixelSize(
-                R.dimen.restricted_lock_icon_size);
+                R.dimen.restricted_icon_size);
         restrictedPadlock.setBounds(0, 0, iconSize, iconSize);
         return restrictedPadlock;
     }
diff --git a/packages/SettingsLib/src/com/android/settingslib/RestrictedPreference.java b/packages/SettingsLib/src/com/android/settingslib/RestrictedPreference.java
index 810f6eb..e69497a 100644
--- a/packages/SettingsLib/src/com/android/settingslib/RestrictedPreference.java
+++ b/packages/SettingsLib/src/com/android/settingslib/RestrictedPreference.java
@@ -23,6 +23,7 @@
 import android.support.v7.preference.PreferenceManager;
 import android.support.v7.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
+import android.view.View;
 
 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 
@@ -36,6 +37,7 @@
     public RestrictedPreference(Context context, AttributeSet attrs,
             int defStyleAttr, int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
+        setWidgetLayoutResource(R.layout.restricted_icon);
         mHelper = new RestrictedPreferenceHelper(context, this, attrs);
     }
 
@@ -56,6 +58,10 @@
     public void onBindViewHolder(PreferenceViewHolder holder) {
         super.onBindViewHolder(holder);
         mHelper.onBindViewHolder(holder);
+        final View restrictedIcon = holder.findViewById(R.id.restricted_icon);
+        if (restrictedIcon != null) {
+            restrictedIcon.setVisibility(isDisabledByAdmin() ? View.VISIBLE : View.GONE);
+        }
     }
 
     @Override
diff --git a/packages/SettingsLib/src/com/android/settingslib/RestrictedPreferenceHelper.java b/packages/SettingsLib/src/com/android/settingslib/RestrictedPreferenceHelper.java
index 227b1e8..0c0af24 100644
--- a/packages/SettingsLib/src/com/android/settingslib/RestrictedPreferenceHelper.java
+++ b/packages/SettingsLib/src/com/android/settingslib/RestrictedPreferenceHelper.java
@@ -54,7 +54,7 @@
 
         mRestrictedPadlock = RestrictedLockUtils.getRestrictedPadlock(mContext);
         mRestrictedPadlockPadding = mContext.getResources().getDimensionPixelSize(
-                R.dimen.restricted_lock_icon_padding);
+                R.dimen.restricted_icon_padding);
 
         if (attrs != null) {
             final TypedArray attributes = context.obtainStyledAttributes(attrs,
@@ -91,12 +91,8 @@
      * Modify PreferenceViewHolder to add padlock if restriction is disabled.
      */
     public void onBindViewHolder(PreferenceViewHolder holder) {
-        final TextView titleView = (TextView) holder.findViewById(android.R.id.title);
-        if (titleView != null) {
-            RestrictedLockUtils.setTextViewPadlock(mContext, titleView, mDisabledByAdmin);
-            if (mDisabledByAdmin) {
-                holder.itemView.setEnabled(true);
-            }
+        if (mDisabledByAdmin) {
+            holder.itemView.setEnabled(true);
         }
         if (mUseAdminDisabledSummary) {
             final TextView summaryView = (TextView) holder.findViewById(android.R.id.summary);
diff --git a/packages/SettingsLib/src/com/android/settingslib/RestrictedSwitchPreference.java b/packages/SettingsLib/src/com/android/settingslib/RestrictedSwitchPreference.java
index 6cae8aa..f381286 100644
--- a/packages/SettingsLib/src/com/android/settingslib/RestrictedSwitchPreference.java
+++ b/packages/SettingsLib/src/com/android/settingslib/RestrictedSwitchPreference.java
@@ -23,6 +23,8 @@
 import android.support.v7.preference.PreferenceViewHolder;
 import android.support.v14.preference.SwitchPreference;
 import android.util.AttributeSet;
+import android.view.View;
+import android.widget.TextView;
 
 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 
@@ -36,6 +38,7 @@
     public RestrictedSwitchPreference(Context context, AttributeSet attrs,
             int defStyleAttr, int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
+        setWidgetLayoutResource(R.layout.restricted_switch_widget);
         mHelper = new RestrictedPreferenceHelper(context, this, attrs);
     }
 
@@ -56,6 +59,20 @@
     public void onBindViewHolder(PreferenceViewHolder holder) {
         super.onBindViewHolder(holder);
         mHelper.onBindViewHolder(holder);
+        final View restrictedIcon = holder.findViewById(R.id.restricted_icon);
+        final View switchWidget = holder.findViewById(android.R.id.switch_widget);
+        if (restrictedIcon != null) {
+            restrictedIcon.setVisibility(isDisabledByAdmin() ? View.VISIBLE : View.GONE);
+        }
+        if (switchWidget != null) {
+            switchWidget.setVisibility(isDisabledByAdmin() ? View.GONE : View.VISIBLE);
+        }
+        final TextView summaryView = (TextView) holder.findViewById(android.R.id.summary);
+        if (summaryView != null && isDisabledByAdmin()) {
+            summaryView.setText(
+                    isChecked() ? R.string.enabled_by_admin : R.string.disabled_by_admin);
+            summaryView.setVisibility(View.VISIBLE);
+        }
     }
 
     @Override
diff --git a/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java b/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
index a578055..7a1c741 100644
--- a/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
+++ b/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
@@ -69,16 +69,18 @@
 
         long startTime = System.currentTimeMillis();
 
-        getWindow().addFlags(LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
-        getWindow().addFlags(LayoutParams.FLAG_TRANSLUCENT_STATUS);
-        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        TypedArray theme = getTheme().obtainStyledAttributes(android.R.styleable.Theme);
+        if (!theme.getBoolean(android.R.styleable.Theme_windowNoTitle, false)) {
+            getWindow().addFlags(LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+            getWindow().addFlags(LayoutParams.FLAG_TRANSLUCENT_STATUS);
+            requestWindowFeature(Window.FEATURE_NO_TITLE);
+        }
         super.setContentView(R.layout.settings_with_drawer);
         mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
         if (mDrawerLayout == null) {
             return;
         }
         Toolbar toolbar = (Toolbar) findViewById(R.id.action_bar);
-        TypedArray theme = getTheme().obtainStyledAttributes(android.R.styleable.Theme);
         if (theme.getBoolean(android.R.styleable.Theme_windowNoTitle, false)) {
             toolbar.setVisibility(View.GONE);
             mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
diff --git a/packages/SettingsLib/src/com/android/settingslib/drawer/TileUtils.java b/packages/SettingsLib/src/com/android/settingslib/drawer/TileUtils.java
index 2dfdfda..418b138 100644
--- a/packages/SettingsLib/src/com/android/settingslib/drawer/TileUtils.java
+++ b/packages/SettingsLib/src/com/android/settingslib/drawer/TileUtils.java
@@ -41,7 +41,7 @@
 public class TileUtils {
 
     private static final boolean DEBUG = false;
-    private static final boolean DEBUG_TIMING = true;
+    private static final boolean DEBUG_TIMING = false;
 
     private static final String LOG_TAG = "TileUtils";
 
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index b5b7bcd7..637551c 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -245,7 +245,7 @@
                   android:stateNotNeeded="true"
                   android:resumeWhilePausing="true"
                   android:screenOrientation="behind"
-                  android:theme="@style/RecentsTheme.Wallpaper">
+                  android:theme="@style/RecentsTvTheme.Wallpaper">
             <intent-filter>
                 <action android:name="com.android.systemui.recents.TOGGLE_RECENTS" />
             </intent-filter>
diff --git a/packages/SystemUI/res/color/notification_guts_buttons.xml b/packages/SystemUI/res/color/notification_guts_buttons.xml
new file mode 100644
index 0000000..f7a4ee9
--- /dev/null
+++ b/packages/SystemUI/res/color/notification_guts_buttons.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_checked="true"
+          android:color="@*android:color/material_deep_teal_500" />
+    <item android:color="@android:color/black"
+          android:alpha=".87" />
+</selector>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/ic_info.xml b/packages/SystemUI/res/drawable/ic_info.xml
deleted file mode 100644
index 65e7bf5..0000000
--- a/packages/SystemUI/res/drawable/ic_info.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<!--
-Copyright (C) 2014 The Android Open Source Project
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24.0dp"
-        android:height="24.0dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:pathData="M12.000000,2.000000C6.500000,2.000000 2.000000,6.500000 2.000000,12.000000s4.500000,10.000000 10.000000,10.000000c5.500000,0.000000 10.000000,-4.500000 10.000000,-10.000000S17.500000,2.000000 12.000000,2.000000zM13.000000,17.000000l-2.000000,0.000000l0.000000,-6.000000l2.000000,0.000000L13.000000,17.000000zM13.000000,9.000000l-2.000000,0.000000L11.000000,7.000000l2.000000,0.000000L13.000000,9.000000z"
-        android:fillColor="#FFFFFF"/>
-</vector>
diff --git a/packages/SystemUI/res/drawable/recents_tv_background_gradient.xml b/packages/SystemUI/res/drawable/recents_tv_background_gradient.xml
new file mode 100644
index 0000000..e98d43f
--- /dev/null
+++ b/packages/SystemUI/res/drawable/recents_tv_background_gradient.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+       android:shape="rectangle">
+    <gradient
+            android:startColor="#99000000"
+            android:endColor="#E6000000"
+            android:angle="90"/>
+</shape>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/tv_pip_overlay_background.xml b/packages/SystemUI/res/drawable/tv_pip_overlay_background.xml
new file mode 100644
index 0000000..e247dec
--- /dev/null
+++ b/packages/SystemUI/res/drawable/tv_pip_overlay_background.xml
@@ -0,0 +1,23 @@
+<!--
+     Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <gradient
+        android:startColor="#B2000000"
+        android:endColor="#00000000"
+        android:angle="90"/>
+</shape>
diff --git a/packages/SystemUI/res/layout/notification_guts.xml b/packages/SystemUI/res/layout/notification_guts.xml
index 4b0c834..1ab6bf9 100644
--- a/packages/SystemUI/res/layout/notification_guts.xml
+++ b/packages/SystemUI/res/layout/notification_guts.xml
@@ -63,29 +63,32 @@
             android:id="@+id/importance_buttons"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingTop="8dp"
-            android:paddingBottom="8dip"
+            android:paddingTop="4dp"
+            android:paddingBottom="16dip"
             android:paddingEnd="8dp" >
         <RadioButton
                 android:id="@+id/silent_importance"
                 android:layout_width="wrap_content"
                 android:layout_height="48dp"
+                android:paddingStart="32dp"
                 android:text="@string/show_silently"
-                style="@style/TextAppearance.NotificationGuts.Primary"
-                android:buttonTint="#858383" />
+                style="@style/TextAppearance.NotificationGuts.Radio"
+                android:buttonTint="@color/notification_guts_buttons" />
         <RadioButton
                 android:id="@+id/block_importance"
                 android:layout_width="wrap_content"
                 android:layout_height="48dp"
+                android:paddingStart="32dp"
                 android:text="@string/block"
-                style="@style/TextAppearance.NotificationGuts.Primary"
-                android:buttonTint="#858383" />
+                style="@style/TextAppearance.NotificationGuts.Radio"
+                android:buttonTint="@color/notification_guts_buttons" />
         <RadioButton
                 android:id="@+id/reset_importance"
                 android:layout_width="wrap_content"
                 android:layout_height="48dp"
-                style="@style/TextAppearance.NotificationGuts.Primary"
-                android:buttonTint="#858383" />
+                android:paddingStart="32dp"
+                style="@style/TextAppearance.NotificationGuts.Radio"
+                android:buttonTint="@color/notification_guts_buttons" />
     </RadioGroup>
     <!-- Importance slider -->
     <LinearLayout
diff --git a/packages/SystemUI/res/layout/qs_tile_label.xml b/packages/SystemUI/res/layout/qs_tile_label.xml
index 603ebbf..b0dca9a 100644
--- a/packages/SystemUI/res/layout/qs_tile_label.xml
+++ b/packages/SystemUI/res/layout/qs_tile_label.xml
@@ -20,22 +20,22 @@
         android:layout_height="wrap_content"
         android:orientation="horizontal">
      <TextView android:id="@+id/tile_label"
-             android:layout_width="wrap_content"
-             android:layout_height="wrap_content"
-             android:textColor="@color/qs_tile_text"
-             android:gravity="center_horizontal"
-             android:minLines="2"
-             android:padding="0dp"
-             android:fontFamily="sans-serif-condensed"
-             android:textStyle="normal"
-             android:textSize="@dimen/qs_tile_text_size"
-             android:clickable="false" />
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textColor="@color/qs_tile_text"
+            android:gravity="center_horizontal"
+            android:minLines="2"
+            android:padding="0dp"
+            android:fontFamily="sans-serif-condensed"
+            android:textStyle="normal"
+            android:textSize="@dimen/qs_tile_text_size"
+            android:clickable="false" />
      <ImageView android:id="@+id/restricted_padlock"
-             android:layout_width="@dimen/qs_tile_text_size"
-             android:layout_height="@dimen/qs_tile_text_size"
-             android:src="@drawable/ic_settings_lock_outline"
-             android:layout_marginLeft="@dimen/restricted_padlock_pading"
-             android:baselineAlignBottom="true"
-             android:scaleType="centerInside"
-             android:visibility="gone" />
+            android:layout_width="@dimen/qs_tile_text_size"
+            android:layout_height="match_parent"
+            android:paddingBottom="@dimen/qs_tile_text_size"
+            android:src="@drawable/ic_info"
+            android:layout_marginLeft="@dimen/restricted_padlock_pading"
+            android:scaleType="centerInside"
+            android:visibility="gone" />
 </LinearLayout>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/qs_user_detail_item.xml b/packages/SystemUI/res/layout/qs_user_detail_item.xml
index a22c360..661d74a 100644
--- a/packages/SystemUI/res/layout/qs_user_detail_item.xml
+++ b/packages/SystemUI/res/layout/qs_user_detail_item.xml
@@ -53,10 +53,10 @@
         <ImageView
                 android:id="@+id/restricted_padlock"
                 android:layout_width="@dimen/qs_detail_item_secondary_text_size"
-                android:layout_height="@dimen/qs_detail_item_secondary_text_size"
-                android:src="@drawable/ic_settings_lock_outline"
+                android:layout_height="match_parent"
+                android:gravity="center_vertical"
+                android:src="@drawable/ic_info"
                 android:layout_marginLeft="@dimen/restricted_padlock_pading"
-                android:baselineAlignBottom="true"
                 android:scaleType="centerInside"
                 android:visibility="gone" />
     </LinearLayout>
diff --git a/packages/SystemUI/res/layout/recents_on_tv.xml b/packages/SystemUI/res/layout/recents_on_tv.xml
index 94b099e..3a7c1d1 100644
--- a/packages/SystemUI/res/layout/recents_on_tv.xml
+++ b/packages/SystemUI/res/layout/recents_on_tv.xml
@@ -18,9 +18,10 @@
     android:id="@+id/recents_view"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@drawable/recents_tv_background_gradient"
     android:clipChildren="false"
-    android:clipToPadding="false" >
-
+    android:clipToPadding="false"
+    android:layoutDirection="rtl">
     <com.android.systemui.recents.tv.views.TaskStackHorizontalGridView
         android:id="@+id/task_list"
         android:layout_width="wrap_content"
diff --git a/packages/SystemUI/res/layout/recents_task_card_view.xml b/packages/SystemUI/res/layout/recents_tv_task_card_view.xml
similarity index 65%
rename from packages/SystemUI/res/layout/recents_task_card_view.xml
rename to packages/SystemUI/res/layout/recents_tv_task_card_view.xml
index fa1daad..c5b1a7a 100644
--- a/packages/SystemUI/res/layout/recents_task_card_view.xml
+++ b/packages/SystemUI/res/layout/recents_tv_task_card_view.xml
@@ -20,28 +20,28 @@
     android:focusable="true"
     android:focusableInTouchMode="true"
     android:layout_gravity="center"
-    android:layout_centerInParent="true">
+    android:layout_centerInParent="true"
+    android:layoutDirection="ltr">
 
-    <RelativeLayout
+    <LinearLayout
             android:layout_width="@dimen/recents_tv_card_width"
             android:layout_height="wrap_content"
             android:layout_centerInParent="true"
-            android:layout_gravity="center">
-        <ImageView
-                android:id="@+id/card_view_thumbnail"
-                android:layout_width="match_parent"
-                android:layout_height="@dimen/recents_tv_card_height"
-                android:scaleType="centerCrop"
-                android:gravity="center"
-                android:layout_alignParentTop="true"
-                android:layout_centerHorizontal="true"/>
-
-        <RelativeLayout
+            android:layout_gravity="center"
+            android:orientation="vertical" >
+        <LinearLayout
                 android:id="@+id/card_info_field"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_below="@id/card_view_thumbnail"
-                android:background="@color/recents_tv_card_background_color" >
+                android:layout_height="wrap_content">
+            <ImageView
+                    android:id="@+id/card_extra_badge"
+                    android:layout_width="@dimen/recents_tv_card_extra_badge_size"
+                    android:layout_height="@dimen/recents_tv_card_extra_badge_size"
+                    android:layout_marginBottom="@dimen/recents_tv_icon_padding_bottom"
+                    android:layout_marginEnd="@dimen/recents_tv_icon_padding_end"
+                    android:scaleType="fitCenter"
+                    android:layout_centerVertical="true"
+                    android:layout_alignParentRight="true" />
             <TextView
                     android:id="@+id/card_title_text"
                     android:layout_width="match_parent"
@@ -49,29 +49,21 @@
                     android:layout_alignParentTop="false"
                     android:includeFontPadding="true"
                     android:minLines="1"
-                    android:maxLines="2"
+                    android:maxLines="1"
                     android:textColor="@color/recents_tv_card_title_text_color"
-                    android:ellipsize="end" />
-            <TextView
-                    android:id="@+id/card_content_text"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_alignParentStart="true"
-                    android:layout_below="@id/card_title_text"
-                    android:includeFontPadding="true"
-                    android:minLines="1"
-                    android:maxLines="2"
-                    android:textColor="@color/recents_tv_card_content_text_color"
-                    android:ellipsize="end" />
-            <ImageView
-                    android:id="@+id/card_extra_badge"
-                    android:layout_width="@dimen/recents_tv_card_extra_badge_size"
-                    android:layout_height="@dimen/recents_tv_card_extra_badge_size"
-                    android:scaleType="fitCenter"
-                    android:background="@android:color/transparent"
-                    android:contentDescription="@null"
-                    android:layout_centerVertical="true"
-                    android:layout_alignParentRight="true"/>
-        </RelativeLayout>
-    </RelativeLayout>
+                    android:fontFamily="@string/font_roboto_regular"
+                    android:textSize="@dimen/recents_tv_title_text_size"
+                    android:layout_marginBottom="@dimen/recents_tv_text_padding_bottom"
+                    android:ellipsize="end"/>
+        </LinearLayout>
+        <ImageView
+                android:id="@+id/card_view_thumbnail"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/recents_tv_card_height"
+                android:scaleType="centerCrop"
+                android:gravity="center"
+                android:layout_alignParentTop="true"
+                android:layout_centerHorizontal="true"
+                android:layout_below="@id/card_title_text" />
+    </LinearLayout>
 </com.android.systemui.recents.tv.views.TaskCardView>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/remote_input.xml b/packages/SystemUI/res/layout/remote_input.xml
index 818df3b..75195c4 100644
--- a/packages/SystemUI/res/layout/remote_input.xml
+++ b/packages/SystemUI/res/layout/remote_input.xml
@@ -43,7 +43,7 @@
             android:singleLine="true"
             android:ellipsize="start"
             android:inputType="textShortMessage|textAutoCorrect|textCapSentences"
-            android:imeOptions="actionSend" />
+            android:imeOptions="actionSend|flagNoExtractUi" />
 
     <FrameLayout
             android:layout_width="wrap_content"
diff --git a/packages/SystemUI/res/layout/tv_pip_overlay.xml b/packages/SystemUI/res/layout/tv_pip_overlay.xml
index ebd362c..40c6fa1 100644
--- a/packages/SystemUI/res/layout/tv_pip_overlay.xml
+++ b/packages/SystemUI/res/layout/tv_pip_overlay.xml
@@ -24,12 +24,13 @@
     <TextView
         android:id="@+id/guide_overlay"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="32dp"
         android:layout_alignParentBottom="true"
-        android:padding="3dp"
-        android:textSize="13sp"
-        android:textColor="#111111"
-        android:background="#99EEEEEE"
+        android:textSize="14sp"
+        android:textColor="#EEEEEE"
+        android:fontFamily="sans-serif"
+        android:background="@drawable/tv_pip_overlay_background"
+        android:gravity="center"
         android:text="@string/pip_hold_home" />
     <LinearLayout
         android:id="@+id/guide_buttons"
diff --git a/packages/SystemUI/res/values/colors_tv.xml b/packages/SystemUI/res/values/colors_tv.xml
index 6f4c983..af99aae 100644
--- a/packages/SystemUI/res/values/colors_tv.xml
+++ b/packages/SystemUI/res/values/colors_tv.xml
@@ -18,7 +18,5 @@
 -->
 <resources>
     <color name="recents_tv_card_background_color">#FF37474F</color>
-    <color name="recents_tv_card_title_text_color">#FFEEEEEE</color>
-    <color name="recents_tv_card_content_text_color">#99EEEEEE</color>
-    <color name="recents_tv_card_source_text_color">#99EEEEEE</color>
+    <color name="recents_tv_card_title_text_color">#CCEEEEEE</color>
 </resources>
\ No newline at end of file
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 8a7f90b..12c3a5d 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -292,6 +292,9 @@
     <!-- The amount to allow the stack to overscroll. -->
     <dimen name="recents_stack_overscroll">24dp</dimen>
 
+    <!-- The size of the initial peek area at the top of the stack (below the status bar). -->
+    <dimen name="recents_initial_top_peek_size">8dp</dimen>
+
     <!-- The size of the peek area at the top of the stack (below the status bar). -->
     <dimen name="recents_layout_focused_top_peek_size">@dimen/recents_history_button_height</dimen>
 
diff --git a/packages/SystemUI/res/values/dimens_tv.xml b/packages/SystemUI/res/values/dimens_tv.xml
index bf32cc7..b589110 100644
--- a/packages/SystemUI/res/values/dimens_tv.xml
+++ b/packages/SystemUI/res/values/dimens_tv.xml
@@ -18,15 +18,21 @@
 -->
 <resources>
     <!-- Dimens for recents card in the recents view on tv -->
-    <dimen name="recents_tv_card_width">150dip</dimen>
-    <dimen name="recents_tv_card_height">85dip</dimen>
-    <dimen name="recents_tv_card_extra_badge_size">16dip</dimen>
+    <dimen name="recents_tv_card_width">268dip</dimen>
+    <dimen name="recents_tv_card_height">151dip</dimen>
+    <dimen name="recents_tv_card_extra_badge_size">20dip</dimen>
+    <dimen name="recents_tv_banner_width">114dip</dimen>
+    <dimen name="recents_tv_banner_height">64dip</dimen>
+    <dimen name="recents_tv_banner_margin_top">16dip</dimen>
+    <dimen name="recents_tv_icon_padding_bottom">8dip</dimen>
+    <dimen name="recents_tv_icon_padding_end">12dip</dimen>
+    <dimen name="recents_tv_text_padding_bottom">12dip</dimen>
 
     <!-- Padding for grid view in recents view on tv -->
     <dimen name="recents_tv_grid_row_padding">56dip</dimen>
     <dimen name="recents_tv_gird_row_top_padding">57dip</dimen>
-    <dimen name="recents_tv_grid_max_row_height">200dip</dimen>
-    <dimen name="recents_tv_gird_card_spacing">8dip</dimen>
+    <dimen name="recents_tv_grid_max_row_height">268dip</dimen>
+    <dimen name="recents_tv_gird_card_spacing">20dip</dimen>
 
     <!-- Values for focus animation -->
     <dimen name="recents_tv_unselected_item_z">6dp</dimen>
@@ -34,4 +40,7 @@
 
     <!-- Extra space around the PIP and its outline in PIP onboarding activity  -->
     <dimen name="tv_pip_bounds_space">3dp</dimen>
+
+    <!-- Values for text on recents cards on tv -->
+    <dimen name="recents_tv_title_text_size">12sp</dimen>
 </resources>
diff --git a/packages/SystemUI/res/values/strings_tv.xml b/packages/SystemUI/res/values/strings_tv.xml
index 4f382ea..c7fb0ec 100644
--- a/packages/SystemUI/res/values/strings_tv.xml
+++ b/packages/SystemUI/res/values/strings_tv.xml
@@ -30,12 +30,14 @@
     <!-- Button to close PIP overlay menu on PIP UI -->
     <string name="pip_cancel" translatable="false">Cancel</string>
     <!-- Overlay text on PIP -->
-    <string name="pip_hold_home" translatable="false">Hold HOME to control PIP</string>
-
+    <string name="pip_hold_home" translatable="false">Hold <b>HOME</b> to control PIP</string>
     <!-- Picture-in-Picture onboarding screen -->
     <eat-comment />
     <!-- Description for onboarding screen. -->
     <string name="pip_onboarding_description" translatable="false">Press and hold the HOME\nbutton to close or control it</string>
     <!-- Button to close onboarding screen. -->
     <string name="pip_onboarding_button" translatable="false">Got it</string>
+    <!-- Font for Recents -->
+    <!-- DO NOT TRANSLATE -->
+    <string name="font_roboto_regular" translatable="false">sans-serif</string>
 </resources>
diff --git a/packages/SystemUI/res/values/styles.xml b/packages/SystemUI/res/values/styles.xml
index 11df681..89890d6 100644
--- a/packages/SystemUI/res/values/styles.xml
+++ b/packages/SystemUI/res/values/styles.xml
@@ -323,6 +323,10 @@
         <item name="android:textSize">16sp</item>
     </style>
 
+    <style name="TextAppearance.NotificationGuts.Radio">
+        <item name="android:alpha">.87</item>
+    </style>
+
     <style name="TextAppearance.NotificationGuts.Button">
         <item name="android:textSize">14sp</item>
         <item name="android:textAllCaps">true</item>
diff --git a/packages/SystemUI/res/values/styles_tv.xml b/packages/SystemUI/res/values/styles_tv.xml
index 3f0caab..263e1a4 100644
--- a/packages/SystemUI/res/values/styles_tv.xml
+++ b/packages/SystemUI/res/values/styles_tv.xml
@@ -22,4 +22,11 @@
         <item name="android:windowBackground">@android:color/transparent</item>
         <item name="android:backgroundDimEnabled">false</item>
      </style>
+
+    <style name="RecentsTvTheme.Wallpaper" parent="@android:style/Theme.Material.NoActionBar.Overscan">
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:backgroundDimEnabled">false</item>
+        <item name="android:colorBackgroundCacheHint">@null</item>
+        <item name="android:windowIsTranslucent">true</item>
+    </style>
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
index 33f3c30..f6dcc11 100644
--- a/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/SwipeHelper.java
@@ -144,7 +144,9 @@
     protected Animator getViewTranslationAnimator(View v, float target,
             AnimatorUpdateListener listener) {
         ObjectAnimator anim = createTranslationAnimation(v, target);
-        anim.addUpdateListener(listener);
+        if (listener != null) {
+            anim.addUpdateListener(listener);
+        }
         return anim;
     }
 
@@ -370,6 +372,9 @@
         };
 
         Animator anim = getViewTranslationAnimator(animView, newPos, updateListener);
+        if (anim == null) {
+            return;
+        }
         if (useAccelerateInterpolator) {
             anim.setInterpolator(Interpolators.FAST_OUT_LINEAR_IN);
         } else {
@@ -411,6 +416,9 @@
         };
 
         Animator anim = getViewTranslationAnimator(animView, targetLeft, updateListener);
+        if (anim == null) {
+            return;
+        }
         int duration = SNAP_ANIM_LEN;
         anim.setDuration(duration);
         anim.addListener(new AnimatorListenerAdapter() {
diff --git a/packages/SystemUI/src/com/android/systemui/media/RingtonePlayer.java b/packages/SystemUI/src/com/android/systemui/media/RingtonePlayer.java
index f39f302..ab612dd 100644
--- a/packages/SystemUI/src/com/android/systemui/media/RingtonePlayer.java
+++ b/packages/SystemUI/src/com/android/systemui/media/RingtonePlayer.java
@@ -16,8 +16,10 @@
 
 package com.android.systemui.media;
 
+import android.content.ContentResolver;
 import android.content.Context;
 import android.content.pm.PackageManager.NameNotFoundException;
+import android.database.Cursor;
 import android.media.AudioAttributes;
 import android.media.IAudioService;
 import android.media.IRingtonePlayer;
@@ -25,15 +27,20 @@
 import android.net.Uri;
 import android.os.Binder;
 import android.os.IBinder;
+import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
+import android.provider.MediaStore;
+import android.provider.MediaStore.Audio.AudioColumns;
 import android.util.Log;
 
+import com.android.internal.util.Preconditions;
 import com.android.systemui.SystemUI;
 
 import java.io.FileDescriptor;
+import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.HashMap;
 
@@ -180,6 +187,34 @@
             return Ringtone.getTitle(getContextForUser(user), uri,
                     false /*followSettingsUri*/, false /*allowRemote*/);
         }
+
+        @Override
+        public ParcelFileDescriptor openRingtone(Uri uri) {
+            final UserHandle user = Binder.getCallingUserHandle();
+            final ContentResolver resolver = getContextForUser(user).getContentResolver();
+
+            // Only open the requested Uri if it's a well-known ringtone or
+            // other sound from the platform media store, otherwise this opens
+            // up arbitrary access to any file on external storage.
+            if (uri.toString().startsWith(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI.toString())) {
+                try (Cursor c = resolver.query(uri, new String[] {
+                        MediaStore.Audio.AudioColumns.IS_RINGTONE,
+                        MediaStore.Audio.AudioColumns.IS_ALARM,
+                        MediaStore.Audio.AudioColumns.IS_NOTIFICATION
+                }, null, null, null)) {
+                    if (c.moveToFirst()) {
+                        if (c.getInt(0) != 0 || c.getInt(1) != 0 || c.getInt(2) != 0) {
+                            try {
+                                return resolver.openFileDescriptor(uri, "r");
+                            } catch (IOException e) {
+                                throw new SecurityException(e);
+                            }
+                        }
+                    }
+                }
+            }
+            throw new SecurityException("Uri is not ringtone, alarm, or notification: " + uri);
+        }
     };
 
     private Context getContextForUser(UserHandle user) {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
index 8ccf60d..24b45cc 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
@@ -167,6 +167,11 @@
         }
     };
 
+    public int getColumnCount() {
+        if (mPages.size() == 0) return 0;
+        return mPages.get(0).mColumns;
+    }
+
     public static class TilePage extends TileLayout {
         private int mMaxRows = 3;
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java b/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
index c643d67..6137349 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
@@ -16,6 +16,7 @@
 
 import android.util.Log;
 import android.view.View;
+import android.view.View.OnAttachStateChangeListener;
 import android.view.View.OnLayoutChangeListener;
 import android.view.animation.PathInterpolator;
 import android.widget.TextView;
@@ -25,14 +26,20 @@
 import com.android.systemui.qs.TouchAnimator.Builder;
 import com.android.systemui.qs.TouchAnimator.Listener;
 import com.android.systemui.statusbar.phone.QSTileHost;
+import com.android.systemui.tuner.TunerService;
+import com.android.systemui.tuner.TunerService.Tunable;
 
 import java.util.ArrayList;
 import java.util.Collection;
 
-public class QSAnimator implements Callback, PageListener, Listener, OnLayoutChangeListener {
+public class QSAnimator implements Callback, PageListener, Listener, OnLayoutChangeListener,
+        OnAttachStateChangeListener, Tunable {
 
     private static final String TAG = "QSAnimator";
 
+    private static final String ALLOW_FANCY_ANIMATION = "sysui_qs_fancy_anim";
+    private static final String MOVE_FULL_ROWS = "sysui_qs_move_whole_rows";
+
     public static final PathInterpolator TRANSLATION_Y_INTERPOLATOR =
             new PathInterpolator(.1f, .3f, 1, 1);
 
@@ -44,34 +51,77 @@
     private final QSPanel mQsPanel;
     private final QSContainer mQsContainer;
 
+    private PagedTileLayout mPagedLayout;
+
     private boolean mOnFirstPage = true;
     private TouchAnimator mFirstPageAnimator;
     private TouchAnimator mFirstPageDelayedAnimator;
     private TouchAnimator mTranslationYAnimator;
     private TouchAnimator mNonfirstPageAnimator;
 
+    private boolean mOnKeyguard;
+
+    private boolean mAllowFancy;
+    private boolean mFullRows;
+    private int mNumQuickTiles;
+
     public QSAnimator(QSContainer container, QuickQSPanel quickPanel, QSPanel panel) {
         mQsContainer = container;
         mQuickQsPanel = quickPanel;
         mQsPanel = panel;
+        mQsPanel.addOnAttachStateChangeListener(this);
         container.addOnLayoutChangeListener(this);
         QSTileLayout tileLayout = mQsPanel.getTileLayout();
         if (tileLayout instanceof PagedTileLayout) {
-            ((PagedTileLayout) tileLayout).setPageListener(this);
+            mPagedLayout = ((PagedTileLayout) tileLayout);
+            mPagedLayout.setPageListener(this);
         } else {
             Log.w(TAG, "QS Not using page layout");
         }
     }
 
+    public void setOnKeyguard(boolean onKeyguard) {
+        mOnKeyguard = onKeyguard;
+        if (mOnKeyguard) {
+            clearAnimationState();
+        }
+    }
+
     public void setHost(QSTileHost qsh) {
         qsh.addCallback(this);
     }
 
     @Override
+    public void onViewAttachedToWindow(View v) {
+        TunerService.get(mQsContainer.getContext()).addTunable(this, ALLOW_FANCY_ANIMATION,
+                MOVE_FULL_ROWS, QuickQSPanel.NUM_QUICK_TILES);
+    }
+
+    @Override
+    public void onViewDetachedFromWindow(View v) {
+        TunerService.get(mQsContainer.getContext()).removeTunable(this);
+    }
+
+    @Override
+    public void onTuningChanged(String key, String newValue) {
+        if (ALLOW_FANCY_ANIMATION.equals(key)) {
+            mAllowFancy = newValue == null || Integer.parseInt(newValue) != 0;
+            if (!mAllowFancy) {
+                clearAnimationState();
+            }
+        } else if (MOVE_FULL_ROWS.equals(key)) {
+            mFullRows = newValue != null && Integer.parseInt(newValue) != 0;
+        } else if (QuickQSPanel.NUM_QUICK_TILES.equals(key)) {
+            mNumQuickTiles = QuickQSPanel.getNumQuickTiles(mQsContainer.getContext());
+            clearAnimationState();
+        }
+        updateAnimators();
+    }
+
+    @Override
     public void onPageChanged(boolean isFirst) {
         if (mOnFirstPage == isFirst) return;
         if (!isFirst) {
-            setPosition(1);
             clearAnimationState();
         }
         mOnFirstPage = isFirst;
@@ -85,6 +135,7 @@
         int count = 0;
         int[] loc1 = new int[2];
         int[] loc2 = new int[2];
+        int lastYDiff = 0;
         firstPageDelayedBuilder.setStartDelay(EXPANDED_TILE_DELAY);
         firstPageBuilder.setListener(this);
         translationYBuilder.setInterpolator(TRANSLATION_Y_INTERPOLATOR);
@@ -92,18 +143,20 @@
         firstPageDelayedBuilder.addFloat(mQsPanel.getTileLayout(), "alpha", 0, 1);
         mAllViews.clear();
         mTopFiveQs.clear();
+        mAllViews.add((View) mQsPanel.getTileLayout());
         for (QSTile<?> tile : tiles) {
             QSTileBaseView tileView = mQsPanel.getTileView(tile);
             final TextView label = ((QSTileView) tileView).getLabel();
-            if (count++ < 5) {
+            final View tileIcon = tileView.getIcon();
+            if (count < mNumQuickTiles && mAllowFancy) {
                 // Quick tiles.
                 QSTileBaseView quickTileView = mQuickQsPanel.getTileView(tile);
-                final View tileIcon = tileView.getIcon();
 
                 getRelativePosition(loc1, quickTileView.getIcon(), mQsContainer);
                 getRelativePosition(loc2, tileIcon, mQsContainer);
                 final int xDiff = loc2[0] - loc1[0];
                 final int yDiff = loc2[1] - loc1[1];
+                lastYDiff = yDiff;
                 // Move the quick tile right from its location to the new one.
                 firstPageBuilder.addFloat(quickTileView, "translationX", 0, xDiff);
                 translationYBuilder.addFloat(quickTileView, "translationY", 0, yDiff);
@@ -119,20 +172,38 @@
 
                 mTopFiveQs.add(tileIcon);
                 mAllViews.add(tileIcon);
+                mAllViews.add(label);
                 mAllViews.add(quickTileView);
+            } else if (mFullRows && isIconInAnimatedRow(count)) {
+                firstPageBuilder.addFloat(tileView, "translationY", mQsPanel.getHeight(), 0);
+                translationYBuilder.addFloat(label, "translationY", -lastYDiff, 0);
+                translationYBuilder.addFloat(tileIcon, "translationY", -lastYDiff, 0);
+                mAllViews.add(tileIcon);
+                mAllViews.add(label);
             }
             mAllViews.add(tileView);
             mAllViews.add(label);
+            count++;
         }
-        mFirstPageAnimator = firstPageBuilder.build();
-        mFirstPageDelayedAnimator = firstPageDelayedBuilder.build();
-        mTranslationYAnimator = translationYBuilder.build();
+        if (mAllowFancy) {
+            mFirstPageAnimator = firstPageBuilder.build();
+            mFirstPageDelayedAnimator = firstPageDelayedBuilder.build();
+            mTranslationYAnimator = translationYBuilder.build();
+        }
         mNonfirstPageAnimator = new TouchAnimator.Builder()
                 .addFloat(mQuickQsPanel, "alpha", 1, 0)
                 .setEndDelay(.5f)
                 .build();
     }
 
+    private boolean isIconInAnimatedRow(int count) {
+        if (mPagedLayout == null) {
+            return false;
+        }
+        final int columnCount = mPagedLayout.getColumnCount();
+        return count < ((mNumQuickTiles + columnCount - 1) / columnCount) * columnCount;
+    }
+
     private void getRelativePosition(int[] loc1, View view, View parent) {
         loc1[0] = 0 + view.getWidth() / 2;
         loc1[1] = 0;
@@ -148,7 +219,10 @@
 
     public void setPosition(float position) {
         if (mFirstPageAnimator == null) return;
-        if (mOnFirstPage) {
+        if (mOnKeyguard) {
+            return;
+        }
+        if (mOnFirstPage && mAllowFancy) {
             mQuickQsPanel.setAlpha(1);
             mFirstPageAnimator.setPosition(position);
             mFirstPageDelayedAnimator.setPosition(position);
@@ -186,12 +260,17 @@
     private void clearAnimationState() {
         final int N = mAllViews.size();
         mQuickQsPanel.setAlpha(0);
+        mQuickQsPanel.setVisibility(View.VISIBLE);
         for (int i = 0; i < N; i++) {
             View v = mAllViews.get(i);
             v.setAlpha(1);
             v.setTranslationX(1);
             v.setTranslationY(1);
         }
+        final int N2 = mTopFiveQs.size();
+        for (int i = 0; i < N2; i++) {
+            mTopFiveQs.get(i).setVisibility(View.VISIBLE);
+        }
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSContainer.java b/packages/SystemUI/src/com/android/systemui/qs/QSContainer.java
index c59da8d..c0c1e4d 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSContainer.java
@@ -156,6 +156,7 @@
     public void setKeyguardShowing(boolean keyguardShowing) {
         if (DEBUG) Log.d(TAG, "setKeyguardShowing " + keyguardShowing);
         mKeyguardShowing = keyguardShowing;
+        mQSAnimator.setOnKeyguard(keyguardShowing);
         updateQsState();
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
index 8b826ee..f8a57d0 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
@@ -26,6 +26,8 @@
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile.SignalState;
 import com.android.systemui.qs.QSTile.State;
+import com.android.systemui.tuner.TunerService;
+import com.android.systemui.tuner.TunerService.Tunable;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -35,6 +37,8 @@
  */
 public class QuickQSPanel extends QSPanel {
 
+    public static final String NUM_QUICK_TILES = "sysui_qqs_count";
+
     private int mMaxTiles;
     private QSPanel mFullPanel;
     private View mHeader;
@@ -52,6 +56,18 @@
     }
 
     @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        TunerService.get(mContext).addTunable(mNumTiles, NUM_QUICK_TILES);
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        TunerService.get(mContext).removeTunable(mNumTiles);
+    }
+
+    @Override
     protected void createCustomizePanel() {
         // No customizing from the header.
     }
@@ -86,6 +102,7 @@
 
     public void setMaxTiles(int maxTiles) {
         mMaxTiles = maxTiles;
+        setTiles(mHost.getTiles());
     }
 
     @Override
@@ -114,6 +131,17 @@
         super.setTiles(quickTiles);
     }
 
+    private final Tunable mNumTiles = new Tunable() {
+        @Override
+        public void onTuningChanged(String key, String newValue) {
+            setMaxTiles(getNumQuickTiles(mContext));
+        }
+    };
+
+    public static int getNumQuickTiles(Context context) {
+        return TunerService.get(context).getValue(NUM_QUICK_TILES, 5);
+    }
+
     private static class HeaderTileLayout extends LinearLayout implements QSTileLayout {
 
         private final Space mEndSpacer;
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/TileQueryHelper.java b/packages/SystemUI/src/com/android/systemui/qs/customize/TileQueryHelper.java
index aa85f78..d95d3ef 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/TileQueryHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/TileQueryHelper.java
@@ -28,8 +28,6 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.service.quicksettings.TileService;
-import com.android.systemui.Prefs;
-import com.android.systemui.Prefs.Key;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.qs.QSTile.DrawableIcon;
@@ -57,10 +55,8 @@
     }
 
     private void addSystemTiles(QSTileHost host) {
-        boolean hasColorMod = Prefs.getBoolean(host.getContext(), Key.QS_NIGHT_ADDED, false)
-                && TunerService.isTunerEnabled(host.getContext());
         String possible = mContext.getString(R.string.quick_settings_tiles_default)
-                + ",hotspot,inversion,saver,work,cast" + (hasColorMod ? ",night" : "");
+                + ",hotspot,inversion,saver,work,cast,night";
         String[] possibleTiles = possible.split(",");
         final Handler qsHandler = new Handler(host.getLooper());
         final Handler mainHandler = new Handler(Looper.getMainLooper());
diff --git a/packages/SystemUI/src/com/android/systemui/recents/Recents.java b/packages/SystemUI/src/com/android/systemui/recents/Recents.java
index f5ae351..54bf68b 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/Recents.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/Recents.java
@@ -513,8 +513,9 @@
      * Handle Recents activity visibility changed.
      */
     public final void onBusEvent(final RecentsVisibilityChangedEvent event) {
-        int processUser = event.systemServicesProxy.getProcessUser();
-        if (event.systemServicesProxy.isSystemUser(processUser)) {
+        SystemServicesProxy ssp = Recents.getSystemServices();
+        int processUser = ssp.getProcessUser();
+        if (ssp.isSystemUser(processUser)) {
             mImpl.onVisibilityChanged(event.applicationContext, event.visible);
         } else {
             postToSystemUser(new Runnable() {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index d7c12ba..cd1a27f 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -43,6 +43,7 @@
 import com.android.systemui.recents.events.EventBus;
 import com.android.systemui.recents.events.activity.AppWidgetProviderChangedEvent;
 import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent;
+import com.android.systemui.recents.events.activity.ConfigurationChangedEvent;
 import com.android.systemui.recents.events.activity.DebugFlagsChangedEvent;
 import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted;
 import com.android.systemui.recents.events.activity.EnterRecentsWindowAnimationCompletedEvent;
@@ -54,7 +55,7 @@
 import com.android.systemui.recents.events.activity.LaunchTaskFailedEvent;
 import com.android.systemui.recents.events.activity.LaunchTaskSucceededEvent;
 import com.android.systemui.recents.events.activity.ShowHistoryEvent;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
+import com.android.systemui.recents.events.activity.MultiWindowStateChangedEvent;
 import com.android.systemui.recents.events.activity.ToggleRecentsEvent;
 import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
 import com.android.systemui.recents.events.component.ScreenPinningRequestEvent;
@@ -96,6 +97,7 @@
     private long mLastTabKeyEventTime;
     private boolean mFinishedOnStartup;
     private boolean mIgnoreAltTabRelease;
+    private boolean mIsVisible;
 
     // Top level views
     private RecentsView mRecentsView;
@@ -107,7 +109,7 @@
     private RecentsAppWidgetHostView mSearchWidgetHostView;
 
     // Runnables to finish the Recents activity
-    private FinishRecentsRunnable mFinishLaunchHomeRunnable;
+    private Intent mHomeIntent;
 
     // The trigger to automatically launch the current task
     private int mFocusTimerDuration;
@@ -119,7 +121,7 @@
      * last activity launch state. Generally we always launch home when we exit Recents rather than
      * just finishing the activity since we don't know what is behind Recents in the task stack.
      */
-    class FinishRecentsRunnable implements Runnable {
+    class LaunchHomeRunnable implements Runnable {
 
         Intent mLaunchIntent;
         ActivityOptions mOpts;
@@ -127,7 +129,7 @@
         /**
          * Creates a finish runnable that starts the specified intent.
          */
-        public FinishRecentsRunnable(Intent launchIntent, ActivityOptions opts) {
+        public LaunchHomeRunnable(Intent launchIntent, ActivityOptions opts) {
             mLaunchIntent = launchIntent;
             mOpts = opts;
         }
@@ -173,59 +175,6 @@
         }
     };
 
-    /** Updates the set of recent tasks */
-    void updateRecentsTasks() {
-        // If AlternateRecentsComponent has preloaded a load plan, then use that to prevent
-        // reconstructing the task stack
-        RecentsTaskLoader loader = Recents.getTaskLoader();
-        RecentsTaskLoadPlan plan = RecentsImpl.consumeInstanceLoadPlan();
-        if (plan == null) {
-            plan = loader.createLoadPlan(this);
-        }
-
-        // Start loading tasks according to the load plan
-        RecentsConfiguration config = Recents.getConfiguration();
-        RecentsActivityLaunchState launchState = config.getLaunchState();
-        if (!plan.hasTasks()) {
-            loader.preloadTasks(plan, -1, launchState.launchedFromHome);
-        }
-        RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
-        loadOpts.runningTaskId = launchState.launchedToTaskId;
-        loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
-        loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
-        loader.loadTasks(this, plan, loadOpts);
-
-        TaskStack stack = plan.getTaskStack();
-        mRecentsView.setTaskStack(stack);
-
-        // Animate the SystemUI scrims into view
-        Task launchTarget = stack.getLaunchTarget();
-        int taskCount = stack.getTaskCount();
-        int launchTaskIndexInStack = launchTarget != null
-                ? stack.indexOfStackTask(launchTarget)
-                : 0;
-        boolean hasNavBarScrim = (taskCount > 0) && !config.hasTransposedNavBar;
-        boolean animateNavBarScrim = !launchState.launchedWhileDocking;
-        mScrimViews.prepareEnterRecentsAnimation(hasNavBarScrim, animateNavBarScrim);
-
-        // Keep track of whether we launched from the nav bar button or via alt-tab
-        if (launchState.launchedWithAltTab) {
-            MetricsLogger.count(this, "overview_trigger_alttab", 1);
-        } else {
-            MetricsLogger.count(this, "overview_trigger_nav_btn", 1);
-        }
-        // Keep track of whether we launched from an app or from home
-        if (launchState.launchedFromAppWithThumbnail) {
-            MetricsLogger.count(this, "overview_source_app", 1);
-            // If from an app, track the stack index of the app in the stack (for affiliated tasks)
-            MetricsLogger.histogram(this, "overview_source_app_index", launchTaskIndexInStack);
-        } else {
-            MetricsLogger.count(this, "overview_source_home", 1);
-        }
-        // Keep track of the total stack task count
-        MetricsLogger.histogram(this, "overview_task_count", taskCount);
-    }
-
     /**
      * Dismisses the history view back into the stack view.
      */
@@ -294,12 +243,8 @@
     void dismissRecentsToHome(boolean animateTaskViews, ActivityOptions overrideAnimation) {
         DismissRecentsToHomeAnimationStarted dismissEvent =
                 new DismissRecentsToHomeAnimationStarted(animateTaskViews);
-        if (overrideAnimation != null) {
-            dismissEvent.addPostAnimationCallback(new FinishRecentsRunnable(
-                    mFinishLaunchHomeRunnable.mLaunchIntent, overrideAnimation));
-        } else {
-            dismissEvent.addPostAnimationCallback(mFinishLaunchHomeRunnable);
-        }
+        dismissEvent.addPostAnimationCallback(new LaunchHomeRunnable(mHomeIntent,
+                overrideAnimation));
         dismissEvent.addPostAnimationCallback(new Runnable() {
             @Override
             public void run() {
@@ -348,6 +293,7 @@
 
         // Set the Recents layout
         setContentView(R.layout.recents);
+        takeKeyEvents(true);
         mRecentsView = (RecentsView) findViewById(R.id.recents_view);
         mRecentsView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
                 View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
@@ -365,11 +311,10 @@
         });
 
         // Create the home intent runnable
-        Intent homeIntent = new Intent(Intent.ACTION_MAIN, null);
-        homeIntent.addCategory(Intent.CATEGORY_HOME);
-        homeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
+        mHomeIntent = new Intent(Intent.ACTION_MAIN, null);
+        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
+        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
                 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
-        mFinishLaunchHomeRunnable = new FinishRecentsRunnable(homeIntent, null);
 
         // Bind the search app widget when we first start up
         if (RecentsDebugFlags.Static.EnableSearchBar) {
@@ -386,45 +331,12 @@
     }
 
     @Override
-    protected void onNewIntent(Intent intent) {
-        super.onNewIntent(intent);
-        setIntent(intent);
-    }
-
-    @Override
     protected void onStart() {
         super.onStart();
 
-        // Update the recent tasks
-        updateRecentsTasks();
-
-        // If this is a new instance from a configuration change, then we have to manually trigger
-        // the enter animation state, or if recents was relaunched by AM, without going through
-        // the normal mechanisms
-        RecentsConfiguration config = Recents.getConfiguration();
-        RecentsActivityLaunchState launchState = config.getLaunchState();
-        boolean wasLaunchedByAm = !launchState.launchedFromHome &&
-                !launchState.launchedFromAppWithThumbnail;
-        if (launchState.launchedHasConfigurationChanged || wasLaunchedByAm) {
-            EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
-        }
-
         // Notify that recents is now visible
-        SystemServicesProxy ssp = Recents.getSystemServices();
-        EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, true));
-
+        EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, true));
         MetricsLogger.visible(this, MetricsEvent.OVERVIEW_ACTIVITY);
-
-        mRecentsView.getViewTreeObserver().addOnPreDrawListener(
-                new ViewTreeObserver.OnPreDrawListener() {
-
-            @Override
-            public boolean onPreDraw() {
-                mRecentsView.getViewTreeObserver().removeOnPreDrawListener(this);
-                EventBus.getDefault().post(new RecentsDrawnEvent());
-                return true;
-            }
-        });
     }
 
     @Override
@@ -434,26 +346,91 @@
     }
 
     @Override
-    protected void onPause() {
-        super.onPause();
+    protected void onResume() {
+        super.onResume();
 
-        // Stop the fast-toggle dozer
-        mIterateTrigger.stopDozing();
+        // If the Recents component has preloaded a load plan, then use that to prevent
+        // reconstructing the task stack
+        RecentsTaskLoader loader = Recents.getTaskLoader();
+        RecentsTaskLoadPlan loadPlan = RecentsImpl.consumeInstanceLoadPlan();
+        if (loadPlan == null) {
+            loadPlan = loader.createLoadPlan(this);
+        }
+
+        // Start loading tasks according to the load plan
+        RecentsConfiguration config = Recents.getConfiguration();
+        RecentsActivityLaunchState launchState = config.getLaunchState();
+        if (!loadPlan.hasTasks()) {
+            loader.preloadTasks(loadPlan, -1, launchState.launchedFromHome);
+        }
+
+        RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
+        loadOpts.runningTaskId = launchState.launchedToTaskId;
+        loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
+        loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
+        loader.loadTasks(this, loadPlan, loadOpts);
+        TaskStack stack = loadPlan.getTaskStack();
+        mRecentsView.onResume(mIsVisible, stack);
+
+        // Animate the SystemUI scrims into view
+        Task launchTarget = stack.getLaunchTarget();
+        int taskCount = stack.getTaskCount();
+        int launchTaskIndexInStack = launchTarget != null
+                ? stack.indexOfStackTask(launchTarget)
+                : 0;
+        boolean hasNavBarScrim = (taskCount > 0) && !config.hasTransposedNavBar;
+        boolean animateNavBarScrim = !launchState.launchedWhileDocking;
+        mScrimViews.prepareEnterRecentsAnimation(hasNavBarScrim, animateNavBarScrim);
+
+        // If this is a new instance from a configuration change, then we have to manually trigger
+        // the enter animation state, or if recents was relaunched by AM, without going through
+        // the normal mechanisms
+        boolean wasLaunchedByAm = !launchState.launchedFromHome &&
+                !launchState.launchedFromApp;
+        if (launchState.launchedHasConfigurationChanged || wasLaunchedByAm) {
+            EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
+        }
+
+        mRecentsView.getViewTreeObserver().addOnPreDrawListener(
+                new ViewTreeObserver.OnPreDrawListener() {
+
+                    @Override
+                    public boolean onPreDraw() {
+                        mRecentsView.getViewTreeObserver().removeOnPreDrawListener(this);
+                        EventBus.getDefault().post(new RecentsDrawnEvent());
+                        return true;
+                    }
+                });
+
+        // Keep track of whether we launched from the nav bar button or via alt-tab
+        if (launchState.launchedWithAltTab) {
+            MetricsLogger.count(this, "overview_trigger_alttab", 1);
+        } else {
+            MetricsLogger.count(this, "overview_trigger_nav_btn", 1);
+        }
+
+        // Keep track of whether we launched from an app or from home
+        if (launchState.launchedFromApp) {
+            MetricsLogger.count(this, "overview_source_app", 1);
+            // If from an app, track the stack index of the app in the stack (for affiliated tasks)
+            MetricsLogger.histogram(this, "overview_source_app_index", launchTaskIndexInStack);
+        } else {
+            MetricsLogger.count(this, "overview_source_home", 1);
+        }
+
+        // Keep track of the total stack task count
+        MetricsLogger.histogram(this, "overview_task_count", taskCount);
+
+        // After we have resumed, set the visible state until the next onStop() call
+        mIsVisible = true;
     }
 
     @Override
-    protected void onStop() {
-        super.onStop();
+    protected void onPause() {
+        super.onPause();
 
-        // Reset some states
         mIgnoreAltTabRelease = false;
-        if (RecentsDebugFlags.Static.EnableHistory && mRecentsView.isHistoryVisible()) {
-            EventBus.getDefault().send(new HideHistoryEvent(false /* animate */));
-        }
-
-        // Notify that recents is now hidden
-        SystemServicesProxy ssp = Recents.getSystemServices();
-        EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, false));
+        mIterateTrigger.stopDozing();
 
         // Workaround for b/22542869, if the RecentsActivity is started again, but without going
         // through SystemUI, we need to reset the config launch flags to ensure that we do not
@@ -461,7 +438,20 @@
         RecentsConfiguration config = Recents.getConfiguration();
         RecentsActivityLaunchState launchState = config.getLaunchState();
         launchState.reset();
+    }
 
+    @Override
+    protected void onStop() {
+        super.onStop();
+
+        // Only hide the history if Recents is completely hidden
+        if (RecentsDebugFlags.Static.EnableHistory && mRecentsView.isHistoryVisible()) {
+            EventBus.getDefault().send(new HideHistoryEvent(false /* animate */));
+        }
+
+        // Notify that recents is now hidden
+        mIsVisible = false;
+        EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, false));
         MetricsLogger.hidden(this, MetricsEvent.OVERVIEW_ACTIVITY);
     }
 
@@ -528,16 +518,23 @@
     @Override
     public void onMultiWindowChanged(boolean inMultiWindow) {
         super.onMultiWindowChanged(inMultiWindow);
+        EventBus.getDefault().send(new ConfigurationChangedEvent());
+
+        // Reload the task stack completely
+        RecentsConfiguration config = Recents.getConfiguration();
+        RecentsActivityLaunchState launchState = config.getLaunchState();
         RecentsTaskLoader loader = Recents.getTaskLoader();
-        RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options();
-        launchOpts.loadIcons = false;
-        launchOpts.loadThumbnails = false;
-        launchOpts.onlyLoadForCache = true;
         RecentsTaskLoadPlan loadPlan = loader.createLoadPlan(this);
-        loader.preloadTasks(loadPlan, -1, false);
-        loader.loadTasks(this, loadPlan, launchOpts);
-        EventBus.getDefault().send(new TaskStackUpdatedEvent(loadPlan.getTaskStack(),
-                inMultiWindow));
+        loader.preloadTasks(loadPlan, -1 /* topTaskId */, false /* isTopTaskHome */);
+
+        RecentsTaskLoadPlan.Options loadOpts = new RecentsTaskLoadPlan.Options();
+        loadOpts.numVisibleTasks = launchState.launchedNumVisibleTasks;
+        loadOpts.numVisibleTaskThumbnails = launchState.launchedNumVisibleThumbnails;
+        loader.loadTasks(this, loadPlan, loadOpts);
+
+        mRecentsView.onResume(mIsVisible, loadPlan.getTaskStack());
+
+        EventBus.getDefault().send(new MultiWindowStateChangedEvent(inMultiWindow));
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivityLaunchState.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivityLaunchState.java
index aa1437b..ec4820a 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivityLaunchState.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivityLaunchState.java
@@ -28,7 +28,8 @@
 public class RecentsActivityLaunchState {
 
     public boolean launchedWithAltTab;
-    public boolean launchedFromAppWithThumbnail;
+    public boolean launchedFromApp;
+    public boolean launchedFromAppDocked;
     public boolean launchedFromHome;
     public boolean launchedFromSearchHome;
     public boolean launchedReuseTaskStackViews;
@@ -42,7 +43,8 @@
     public void reset() {
         launchedFromHome = false;
         launchedFromSearchHome = false;
-        launchedFromAppWithThumbnail = false;
+        launchedFromApp = false;
+        launchedFromAppDocked = false;
         launchedToTaskId = -1;
         launchedWithAltTab = false;
         launchedHasConfigurationChanged = false;
@@ -67,7 +69,7 @@
     public int getInitialFocusTaskIndex(int numTasks) {
         RecentsDebugFlags debugFlags = Recents.getDebugFlags();
         RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
-        if (launchedFromAppWithThumbnail) {
+        if (launchedFromApp) {
             if (!launchState.launchedWithAltTab && debugFlags.isFastToggleRecentsEnabled()) {
                 // If fast toggling, focus the front most task so that the next tap will focus the
                 // N-1 task
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java
index 9e43bb4..eec0411 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java
@@ -69,7 +69,6 @@
     public final int smallestWidth;
 
     /** Misc **/
-    public boolean useHardwareLayers;
     public boolean fakeShadows;
     public int svelteLevel;
     public int searchBarSpaceHeightPx;
@@ -80,7 +79,6 @@
         SystemServicesProxy ssp = Recents.getSystemServices();
         Context appContext = context.getApplicationContext();
         Resources res = appContext.getResources();
-        useHardwareLayers = res.getBoolean(R.bool.config_recents_use_hardware_layers);
         fakeShadows = res.getBoolean(R.bool.config_recents_fake_shadows);
         svelteLevel = res.getInteger(R.integer.recents_svelte_level);
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
index cd64323..6feda81 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
@@ -39,8 +39,8 @@
         public static final boolean EnableAffiliatedTaskGroups = true;
         // Enables the history
         public static final boolean EnableHistory = false;
-        // Overrides the Tuner flags and enables the fast toggle and timeout
-        public static final boolean EnableFastToggleTimeoutOverride = true;
+        // Overrides the Tuner flags and enables the timeout
+        private static final boolean EnableFastToggleTimeout = false;
 
         // Enables us to create mock recents tasks
         public static final boolean EnableMockTasks = false;
@@ -54,9 +54,9 @@
         public static final int MockTaskGroupsTaskCount = 12;
     }
 
-    private static final String KEY_DISABLE_FAST_TOGGLE = "overview_disable_fast_toggle_via_button";
+    private static final String KEY_ENABLE_PAGING = "overview_enable_paging";
 
-    private boolean mDisableFastToggleRecents;
+    private boolean mEnablePaging;
 
     /**
      * We read the prefs once when we start the activity, then update them as the tuner changes
@@ -65,31 +65,32 @@
     public RecentsDebugFlags(Context context) {
         // Register all our flags, this will also call onTuningChanged() for each key, which will
         // initialize the current state of each flag
-        TunerService.get(context).addTunable(this, KEY_DISABLE_FAST_TOGGLE);
+        TunerService.get(context).addTunable(this, KEY_ENABLE_PAGING);
     }
 
     /**
      * @return whether we are enabling fast toggling.
      */
     public boolean isFastToggleRecentsEnabled() {
-        // These checks EnableFastToggleTimeoutOverride
         SystemServicesProxy ssp = Recents.getSystemServices();
-        if (mDisableFastToggleRecents || ssp.hasFreeformWorkspaceSupport() || ssp.hasDockedTask()
-                || ssp.isTouchExplorationEnabled()) {
+        if (ssp.hasFreeformWorkspaceSupport() || ssp.isTouchExplorationEnabled()) {
             return false;
         }
-        if (Static.EnableFastToggleTimeoutOverride) {
-            return true;
-        }
-        return true;
+        return Static.EnableFastToggleTimeout;
+    }
+
+    /**
+     * @return whether we are enabling paging.
+     */
+    public boolean isPagingEnabled() {
+        return mEnablePaging;
     }
 
     @Override
     public void onTuningChanged(String key, String newValue) {
         switch (key) {
-            case KEY_DISABLE_FAST_TOGGLE:
-                mDisableFastToggleRecents = (newValue != null) &&
-                        (Integer.parseInt(newValue) != 0);
+            case KEY_ENABLE_PAGING:
+                mEnablePaging = (newValue != null) && (Integer.parseInt(newValue) != 0);
                 break;
         }
         EventBus.getDefault().send(new DebugFlagsChangedEvent());
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
index 86b03c8..ac23f44 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
@@ -16,6 +16,8 @@
 
 package com.android.systemui.recents;
 
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+
 import android.app.ActivityManager;
 import android.app.ActivityOptions;
 import android.app.ITaskStackListener;
@@ -64,8 +66,10 @@
 import com.android.systemui.recents.model.Task;
 import com.android.systemui.recents.model.TaskGrouping;
 import com.android.systemui.recents.model.TaskStack;
+import com.android.systemui.recents.tv.views.TaskStackHorizontalGridView;
 import com.android.systemui.recents.views.TaskStackLayoutAlgorithm;
 import com.android.systemui.recents.views.TaskStackView;
+import com.android.systemui.recents.views.TaskStackViewScroller;
 import com.android.systemui.recents.views.TaskViewHeader;
 import com.android.systemui.recents.views.TaskViewTransform;
 import com.android.systemui.statusbar.BaseStatusBar;
@@ -74,8 +78,6 @@
 
 import java.util.ArrayList;
 
-import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
-
 /**
  * An implementation of the Recents component for the current user.  For secondary users, this can
  * be called remotely from the system user.
@@ -98,6 +100,7 @@
 
     //Used to store tv or non-tv activty for use in creating intents.
     private final String mRecentsIntentActivityName;
+
     /**
      * An implementation of ITaskStackListener, that allows us to listen for changes to the system
      * task stacks and update recents accordingly.
@@ -276,28 +279,24 @@
         mTriggeredFromAltTab = triggeredFromAltTab;
         mDraggingInRecents = draggingInRecents;
         mLaunchedWhileDocking = launchedWhileDockingTask;
-        if (mFastAltTabTrigger.hasTriggered()) {
-            // We are calling this from the doze trigger, so just fall through to show Recents
-            mFastAltTabTrigger.resetTrigger();
+        if (mFastAltTabTrigger.isAsleep()) {
+            // Fast alt-tab duration has elapsed, fall through to showing Recents and reset
+            mFastAltTabTrigger.stopDozing();
         } else if (mFastAltTabTrigger.isDozing()) {
-            // We are dozing but haven't yet triggered, ignore this if this is not another alt-tab,
-            // otherwise, this is an additional tab (alt-tab*), which means that we should trigger
-            // immediately (fall through and disable the pending trigger)
-            // TODO: This is tricky, we need to handle the tab key, but Recents has not yet started
-            //       so we may actually additional signal to handle multiple quick tab cases.  The
-            //       severity of this is inversely proportional to the FAST_ALT_TAB_DELAY_MS
-            //       duration though
+            // Fast alt-tab duration has not elapsed.  If this is triggered by a different
+            // showRecents() call, then ignore that call for now.
+            // TODO: We can not handle quick tabs that happen between the initial showRecents() call
+            //       that started the activity and the activity starting up.  The severity of this
+            //       is inversely proportional to the FAST_ALT_TAB_DELAY_MS duration though.
             if (!triggeredFromAltTab) {
                 return;
             }
             mFastAltTabTrigger.stopDozing();
-        } else {
-            // Otherwise, the doze trigger is not running, and if this is an alt tab, we should
-            // start the trigger and then wait for the hide (or for it to elapse)
-            if (triggeredFromAltTab) {
-                mFastAltTabTrigger.startDozing();
-                return;
-            }
+        } else if (triggeredFromAltTab) {
+            // The fast alt-tab detector is not yet running, so start the trigger and wait for the
+            // hideRecents() call, or for the fast alt-tab duration to elapse
+            mFastAltTabTrigger.startDozing();
+            return;
         }
 
         try {
@@ -321,7 +320,6 @@
 
             // Cancel the fast alt-tab trigger
             mFastAltTabTrigger.stopDozing();
-            mFastAltTabTrigger.resetTrigger();
             return;
         }
 
@@ -348,12 +346,14 @@
             long elapsedTime = SystemClock.elapsedRealtime() - mLastToggleTime;
 
             if (topTask != null && ssp.isRecentsTopMost(topTask, isTopTaskHome)) {
+                RecentsDebugFlags debugFlags = Recents.getDebugFlags();
                 RecentsConfiguration config = Recents.getConfiguration();
                 RecentsActivityLaunchState launchState = config.getLaunchState();
                 if (!launchState.launchedWithAltTab) {
                     // If the user taps quickly
-                    if (ViewConfiguration.getDoubleTapMinTime() < elapsedTime &&
-                            elapsedTime < ViewConfiguration.getDoubleTapTimeout()) {
+                    if (!debugFlags.isPagingEnabled() ||
+                            (ViewConfiguration.getDoubleTapMinTime() < elapsedTime &&
+                                    elapsedTime < ViewConfiguration.getDoubleTapTimeout())) {
                         // Launch the next focused task
                         EventBus.getDefault().post(new LaunchNextTaskRequestEvent());
                     } else {
@@ -574,7 +574,7 @@
                     false /* triggeredFromAltTab */,
                     dragMode == NavigationBarGestureHelper.DRAG_MODE_RECENTS,
                     false /* animate */,
-                    true /* reloadTasks*/);
+                    true /* launchedWhileDockingTask*/);
         }
     }
 
@@ -602,7 +602,7 @@
                 com.android.internal.R.dimen.navigation_bar_width);
         mTaskBarHeight = res.getDimensionPixelSize(
                 R.dimen.recents_task_bar_height);
-        mDummyStackView = new TaskStackView(mContext, new TaskStack());
+        mDummyStackView = new TaskStackView(mContext);
         mHeaderBar = (TaskViewHeader) inflater.inflate(R.layout.recents_task_view_header,
                 null, false);
     }
@@ -615,8 +615,7 @@
      *                               is not already bound (can be expensive)
      * @param stack the stack to initialize the stack layout with
      */
-    private void updateHeaderBarLayout(boolean tryAndBindSearchWidget,
-            TaskStack stack) {
+    private void updateHeaderBarLayout(boolean tryAndBindSearchWidget, TaskStack stack) {
         RecentsConfiguration config = Recents.getConfiguration();
         SystemServicesProxy ssp = Recents.getSystemServices();
         Rect systemInsets = new Rect();
@@ -640,14 +639,15 @@
                 mSearchBarBounds, mTaskStackBounds);
 
         // Rebind the header bar and draw it for the transition
-        TaskStackLayoutAlgorithm algo = mDummyStackView.getStackAlgorithm();
+        TaskStackLayoutAlgorithm stackLayout = mDummyStackView.getStackAlgorithm();
         Rect taskStackBounds = new Rect(mTaskStackBounds);
-        algo.setSystemInsets(systemInsets);
+        stackLayout.setSystemInsets(systemInsets);
         if (stack != null) {
-            algo.initialize(taskStackBounds,
+            stackLayout.initialize(taskStackBounds,
                     TaskStackLayoutAlgorithm.StackState.getStackStateForStack(stack));
+            mDummyStackView.setTasks(stack, false /* notifyStackChanges */);
         }
-        Rect taskViewBounds = algo.getUntransformedTaskViewBounds();
+        Rect taskViewBounds = stackLayout.getUntransformedTaskViewBounds();
         if (!taskViewBounds.equals(mLastTaskViewBounds)) {
             mLastTaskViewBounds.set(taskViewBounds);
 
@@ -705,10 +705,8 @@
         updateHeaderBarLayout(false /* tryAndBindSearchWidget */, stack);
 
         // Update the destination rect
-        mDummyStackView.updateLayoutForStack(stack);
         final Task toTask = new Task();
-        final TaskViewTransform toTransform = getThumbnailTransitionTransform(stack, stackView,
-                toTask);
+        final TaskViewTransform toTransform = getThumbnailTransitionTransform(stackView, toTask);
         ForegroundThread.getHandler().postAtFrontOfQueue(new Runnable() {
             @Override
             public void run() {
@@ -754,17 +752,20 @@
      * Creates the activity options for an app->recents transition.
      */
     private ActivityOptions getThumbnailTransitionActivityOptions(
-            ActivityManager.RunningTaskInfo topTask, TaskStack stack, TaskStackView stackView) {
+            ActivityManager.RunningTaskInfo topTask, TaskStackView stackView) {
         if (topTask.stackId == FREEFORM_WORKSPACE_STACK_ID) {
             ArrayList<AppTransitionAnimationSpec> specs = new ArrayList<>();
-            stackView.getScroller().setStackScrollToInitialState();
-            ArrayList<Task> tasks = stack.getStackTasks();
+            ArrayList<Task> tasks = stackView.getStack().getStackTasks();
+            TaskStackLayoutAlgorithm stackLayout = stackView.getStackAlgorithm();
+            TaskStackViewScroller stackScroller = stackView.getScroller();
+
+            stackView.updateToInitialState();
+
             for (int i = tasks.size() - 1; i >= 0; i--) {
                 Task task = tasks.get(i);
                 if (task.isFreeformTask()) {
-                    mTmpTransform = stackView.getStackAlgorithm()
-                            .getStackTransformScreenCoordinates(task,
-                                    stackView.getScroller().getStackScroll(), mTmpTransform, null);
+                    mTmpTransform = stackLayout.getStackTransformScreenCoordinates(task,
+                                    stackScroller.getStackScroll(), mTmpTransform, null);
                     Rect toTaskRect = new Rect();
                     mTmpTransform.rect.round(toTaskRect);
                     Bitmap thumbnail = getThumbnailBitmap(topTask, task, mTmpTransform);
@@ -778,8 +779,7 @@
         } else {
             // Update the destination rect
             Task toTask = new Task();
-            TaskViewTransform toTransform = getThumbnailTransitionTransform(stack, stackView,
-                    toTask);
+            TaskViewTransform toTransform = getThumbnailTransitionTransform(stackView, toTask);
             RectF toTaskRect = toTransform.rect;
             Bitmap thumbnail = getThumbnailBitmap(topTask, toTask, toTransform);
             if (thumbnail != null) {
@@ -811,9 +811,10 @@
     /**
      * Returns the transition rect for the given task id.
      */
-    private TaskViewTransform getThumbnailTransitionTransform(TaskStack stack,
-            TaskStackView stackView, Task runningTaskOut) {
+    private TaskViewTransform getThumbnailTransitionTransform(TaskStackView stackView,
+            Task runningTaskOut) {
         // Find the running task in the TaskStack
+        TaskStack stack = stackView.getStack();
         Task launchTask = stack.getLaunchTarget();
         if (launchTask != null) {
             runningTaskOut.copyFrom(launchTask);
@@ -824,7 +825,7 @@
         }
 
         // Get the transform for the running task
-        stackView.getScroller().setStackScrollToInitialState();
+        stackView.updateToInitialState();
         mTmpTransform = stackView.getStackAlgorithm().getStackTransformScreenCoordinates(launchTask,
                 stackView.getScroller().getStackScroll(), mTmpTransform, null);
         return mTmpTransform;
@@ -852,6 +853,7 @@
                     c.scale(toTransform.scale, toTransform.scale);
                     mHeaderBar.rebindToTask(toTask, false /* touchExplorationEnabled */,
                             disabledInSafeMode);
+                    mHeaderBar.setDimAlpha(toTransform.dimAlpha);
                     mHeaderBar.draw(c);
                     c.setBitmap(null);
                 }
@@ -884,7 +886,6 @@
         updateHeaderBarLayout(false /* tryAndBindSearchWidget */, stack);
 
         // Prepare the dummy stack for the transition
-        mDummyStackView.updateLayoutForStack(stack);
         TaskStackLayoutAlgorithm.VisibilityReport stackVr =
                 mDummyStackView.computeStackVisibilityReport();
 
@@ -900,8 +901,7 @@
 
         if (useThumbnailTransition) {
             // Try starting with a thumbnail transition
-            ActivityOptions opts = getThumbnailTransitionActivityOptions(topTask, stack,
-                    mDummyStackView);
+            ActivityOptions opts = getThumbnailTransitionActivityOptions(topTask, mDummyStackView);
             if (opts != null) {
                 startRecentsActivity(topTask, opts, false /* fromHome */,
                         false /* fromSearchHome */, true /* fromThumbnail */, stackVr);
@@ -948,14 +948,15 @@
      * Starts the recents activity.
      */
     private void startRecentsActivity(ActivityManager.RunningTaskInfo topTask,
-              ActivityOptions opts, boolean fromHome, boolean fromSearchHome, boolean fromThumbnail,
-              TaskStackLayoutAlgorithm.VisibilityReport vr) {
+                ActivityOptions opts, boolean fromHome, boolean fromSearchHome,
+                boolean fromThumbnail, TaskStackLayoutAlgorithm.VisibilityReport vr) {
         // Update the configuration based on the launch options
         RecentsConfiguration config = Recents.getConfiguration();
         RecentsActivityLaunchState launchState = config.getLaunchState();
         launchState.launchedFromHome = fromSearchHome || fromHome;
         launchState.launchedFromSearchHome = fromSearchHome;
-        launchState.launchedFromAppWithThumbnail = fromThumbnail;
+        launchState.launchedFromApp = fromThumbnail || mLaunchedWhileDocking;
+        launchState.launchedFromAppDocked = mLaunchedWhileDocking;
         launchState.launchedToTaskId = (topTask != null) ? topTask.id : -1;
         launchState.launchedWithAltTab = mTriggeredFromAltTab;
         launchState.launchedReuseTaskStackViews = mCanReuseTaskStackViews;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/activity/ConfigurationChangedEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/activity/ConfigurationChangedEvent.java
new file mode 100644
index 0000000..0ad4681
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/activity/ConfigurationChangedEvent.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.recents.events.activity;
+
+import com.android.systemui.recents.events.EventBus;
+
+/**
+ * This is sent when the Recents activity configuration has changed.
+ */
+public class ConfigurationChangedEvent extends EventBus.AnimatedEvent {
+    // Simple event
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskEvent.java
new file mode 100644
index 0000000..04ca68f
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskEvent.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.systemui.recents.events.activity;
+
+
+import android.graphics.Rect;
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.model.Task;
+import com.android.systemui.recents.tv.views.TaskCardView;
+
+public class LaunchTvTaskEvent extends EventBus.Event {
+
+    public final TaskCardView taskView;
+    public final Task task;
+    public final Rect targetTaskBounds;
+    public final int targetTaskStack;
+
+    public LaunchTvTaskEvent(TaskCardView taskView, Task task, Rect targetTaskBounds,
+            int targetTaskStack) {
+        this.taskView = taskView;
+        this.task = task;
+        this.targetTaskBounds = targetTaskBounds;
+        this.targetTaskStack = targetTaskStack;
+    }
+
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskStartedEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskStartedEvent.java
new file mode 100644
index 0000000..75d3efa
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskStartedEvent.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.recents.events.activity;
+
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.tv.views.TaskCardView;
+
+/**
+ * This event is sent following {@link LaunchTvTaskEvent} after the call to the system is made to
+ * start the task, only used on TV.
+ */
+public class LaunchTvTaskStartedEvent extends EventBus.AnimatedEvent {
+
+    public final TaskCardView taskView;
+
+    public LaunchTvTaskStartedEvent(TaskCardView taskView) {
+        this.taskView = taskView;
+    }
+
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/activity/MultiWindowStateChangedEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/activity/MultiWindowStateChangedEvent.java
new file mode 100644
index 0000000..19245d9
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/activity/MultiWindowStateChangedEvent.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.recents.events.activity;
+
+import com.android.systemui.recents.events.EventBus;
+
+/**
+ * This is sent by the activity whenever the multi-window state has changed.
+ */
+public class MultiWindowStateChangedEvent extends EventBus.Event {
+
+    public final boolean inMultiWindow;
+
+    public MultiWindowStateChangedEvent(boolean inMultiWindow) {
+        this.inMultiWindow = inMultiWindow;
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/component/RecentsVisibilityChangedEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/component/RecentsVisibilityChangedEvent.java
index 4140bcd..8843eb4 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/events/component/RecentsVisibilityChangedEvent.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/component/RecentsVisibilityChangedEvent.java
@@ -19,21 +19,18 @@
 import android.content.Context;
 
 import com.android.systemui.recents.events.EventBus;
-import com.android.systemui.recents.misc.SystemServicesProxy;
 
 /**
- * This is sent when the visibility of the RecentsActivity for the current user changes.
+ * This is sent when the visibility of the RecentsActivity for the current user changes.  Handlers
+ * of this event should not alter the UI, as the activity may still be visible.
  */
 public class RecentsVisibilityChangedEvent extends EventBus.Event {
 
     public final Context applicationContext;
-    public final SystemServicesProxy systemServicesProxy;
     public final boolean visible;
 
-    public RecentsVisibilityChangedEvent(Context context, SystemServicesProxy systemServicesProxy,
-            boolean visible) {
+    public RecentsVisibilityChangedEvent(Context context, boolean visible) {
         this.applicationContext = context.getApplicationContext();
-        this.systemServicesProxy = systemServicesProxy;
         this.visible = visible;
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/DozeTrigger.java b/packages/SystemUI/src/com/android/systemui/recents/misc/DozeTrigger.java
index 95aa10f..574ea03 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/DozeTrigger.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/DozeTrigger.java
@@ -30,7 +30,7 @@
     @ViewDebug.ExportedProperty(category="recents")
     boolean mIsDozing;
     @ViewDebug.ExportedProperty(category="recents")
-    boolean mHasTriggered;
+    boolean mIsAsleep;
     @ViewDebug.ExportedProperty(category="recents")
     int mDozeDurationMilliseconds;
     Runnable mOnSleepRunnable;
@@ -40,7 +40,7 @@
         @Override
         public void run() {
             mIsDozing = false;
-            mHasTriggered = true;
+            mIsAsleep = true;
             mOnSleepRunnable.run();
         }
     };
@@ -56,7 +56,7 @@
      */
     public void startDozing() {
         forcePoke();
-        mHasTriggered = false;
+        mIsAsleep = false;
     }
 
     /**
@@ -65,6 +65,7 @@
     public void stopDozing() {
         mHandler.removeCallbacks(mDozeRunnable);
         mIsDozing = false;
+        mIsAsleep = false;
     }
 
     /**
@@ -99,12 +100,7 @@
     }
 
     /** Returns whether the trigger has fired at least once. */
-    public boolean hasTriggered() {
-        return mHasTriggered;
-    }
-
-    /** Resets the doze trigger state. */
-    public void resetTrigger() {
-        mHasTriggered = false;
+    public boolean isAsleep() {
+        return mIsAsleep;
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index 7c5a931..532e796 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -695,6 +695,37 @@
     }
 
     /**
+     * Returns a banner used on TV for the specified Activity.
+     */
+    public Drawable getActivityBanner(ActivityInfo info) {
+        if (mPm == null) return null;
+
+        // If we are mocking, then return a mock banner
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
+            return new ColorDrawable(0xFF666666);
+        }
+
+        Drawable banner = info.loadBanner(mPm);
+        return banner;
+    }
+
+    /**
+     * Returns a logo used on TV for the specified Activity.
+     */
+    public Drawable getActivityLogo(ActivityInfo info) {
+        if (mPm == null) return null;
+
+        // If we are mocking, then return a mock logo
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
+            return new ColorDrawable(0xFF666666);
+        }
+
+        Drawable logo = info.loadLogo(mPm);
+        return logo;
+    }
+
+
+    /**
      * Returns the given label for a user, badging if necessary.
      */
     private String getBadgedLabel(String label, int userId) {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
index abcb563..6ae07fc 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
@@ -212,8 +212,7 @@
 
         // Initialize the stacks
         mStack = new TaskStack();
-        mStack.setTasks(allTasks, false /* notifyStackChanges */);
-        mStack.createAffiliatedGroupings(mContext);
+        mStack.setTasks(mContext, allTasks, false /* notifyStackChanges */);
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/Task.java b/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
index e5d4f1b..b5a5949 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
@@ -100,11 +100,7 @@
 
         @Override
         public String toString() {
-            return "Task.Key: " + id + ", "
-                    + "s: " + stackId + ", "
-                    + "u: " + userId + ", "
-                    + "lat: " + lastActiveTime + ", "
-                    + getComponent().getPackageName();
+            return "t" + id + ", s" + stackId + ", u" + userId;
         }
 
         private void updateHashCode() {
@@ -204,7 +200,9 @@
         this.isDockable = isDockable;
     }
 
-    /** Copies the other task. */
+    /**
+     * Copies the metadata from another task, but retains the current callbacks.
+     */
     public void copyFrom(Task o) {
         this.key = o.key;
         this.group = o.group;
@@ -300,11 +298,6 @@
 
     @Override
     public String toString() {
-        String groupAffiliation = "no group";
-        if (group != null) {
-            groupAffiliation = Integer.toString(group.affiliation);
-        }
-        return "Task (" + groupAffiliation + "): " + key +
-                " [" + super.toString() + "]";
+        return "[" + key.toString() + "] " + title;
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java b/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
index 1f91dce..4d1c552 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
@@ -92,15 +92,6 @@
         }
     }
 
-    /**
-     * Resets the task list, but does not remove the filter.
-     */
-    void reset() {
-        mTasks.clear();
-        mFilteredTasks.clear();
-        mTaskIndices.clear();
-    }
-
     /** Removes the task filter and returns the previous touch state */
     void removeFilter() {
         mFilter = null;
@@ -481,15 +472,6 @@
         mCb = cb;
     }
 
-    /** Resets this TaskStack. */
-    public void reset() {
-        mCb = null;
-        mStackTaskList.reset();
-        mHistoryTaskList.reset();
-        mGroups.clear();
-        mAffinitiesGroups.clear();
-    }
-
     /**
      * Moves the given task to either the front of the freeform workspace or the stack.
      */
@@ -556,12 +538,12 @@
      * @param tasks the new set of tasks to replace the current set.
      * @param notifyStackChanges whether or not to callback on specific changes to the list of tasks.
      */
-    public void setTasks(List<Task> tasks, boolean notifyStackChanges) {
+    public void setTasks(Context context, List<Task> tasks, boolean notifyStackChanges) {
         // Compute a has set for each of the tasks
         ArrayMap<Task.TaskKey, Task> currentTasksMap = createTaskKeyMapFromList(mRawTaskList);
         ArrayMap<Task.TaskKey, Task> newTasksMap = createTaskKeyMapFromList(tasks);
-
-        ArrayList<Task> newTasks = new ArrayList<>();
+        ArrayList<Task> addedTasks = new ArrayList<>();
+        ArrayList<Task> allTasks = new ArrayList<>();
 
         // Disable notifications if there are no callbacks
         if (mCb == null) {
@@ -570,10 +552,13 @@
 
         // Remove any tasks that no longer exist
         int taskCount = mRawTaskList.size();
-        for (int i = 0; i < taskCount; i++) {
+        for (int i = taskCount - 1; i >= 0; i--) {
             Task task = mRawTaskList.get(i);
             if (!newTasksMap.containsKey(task.key)) {
                 if (notifyStackChanges) {
+                    // If we are notifying, then remove the task now, otherwise the raw task list
+                    // will be reset at the end of this method
+                    removeTask(task, AnimationProps.IMMEDIATE);
                     mCb.onStackTaskRemoved(this, task, i == (taskCount - 1), null,
                             AnimationProps.IMMEDIATE);
                 }
@@ -584,26 +569,28 @@
         // Add any new tasks
         taskCount = tasks.size();
         for (int i = 0; i < taskCount; i++) {
-            Task task = tasks.get(i);
-            if (!currentTasksMap.containsKey(task.key)) {
-                if (notifyStackChanges) {
-                    mCb.onStackTaskAdded(this, task);
-                }
-                newTasks.add(task);
-            } else {
-                newTasks.add(currentTasksMap.get(task.key));
+            Task newTask = tasks.get(i);
+            Task currentTask = currentTasksMap.get(newTask.key);
+            if (currentTask == null && notifyStackChanges) {
+                addedTasks.add(newTask);
+            } else if (currentTask != null) {
+                // The current task has bound callbacks, so just copy the data from the new task
+                // state and add it back into the list
+                currentTask.copyFrom(newTask);
+                newTask = currentTask;
             }
+            allTasks.add(newTask);
         }
 
         // Sort all the tasks to ensure they are ordered correctly
-        Collections.sort(newTasks, FREEFORM_LAST_ACTIVE_TIME_COMPARATOR);
+        Collections.sort(allTasks, FREEFORM_LAST_ACTIVE_TIME_COMPARATOR);
 
         // Filter out the historical tasks from this new list
         ArrayList<Task> stackTasks = new ArrayList<>();
         ArrayList<Task> historyTasks = new ArrayList<>();
-        int newTaskCount = newTasks.size();
+        int newTaskCount = allTasks.size();
         for (int i = 0; i < newTaskCount; i++) {
-            Task task = newTasks.get(i);
+            Task task = allTasks.get(i);
             if (task.isHistorical) {
                 historyTasks.add(task);
             } else {
@@ -613,10 +600,16 @@
 
         mStackTaskList.set(stackTasks);
         mHistoryTaskList.set(historyTasks);
-        mRawTaskList.clear();
-        mRawTaskList.addAll(newTasks);
-        mGroups.clear();
-        mAffinitiesGroups.clear();
+        mRawTaskList = allTasks;
+
+        // Only callback for the newly added tasks after this stack has been updated
+        int addedTaskCount = addedTasks.size();
+        for (int i = 0; i < addedTaskCount; i++) {
+            mCb.onStackTaskAdded(this, addedTasks.get(i));
+        }
+
+        // Update the affiliated groupings
+        createAffiliatedGroupings(context);
     }
 
     /**
@@ -779,9 +772,12 @@
     }
 
     /**
-     * Temporary: This method will simulate affiliation groups by
+     * Temporary: This method will simulate affiliation groups
      */
-    public void createAffiliatedGroupings(Context context) {
+    void createAffiliatedGroupings(Context context) {
+        mGroups.clear();
+        mAffinitiesGroups.clear();
+
         if (RecentsDebugFlags.Static.EnableMockTaskGroups) {
             ArrayMap<Task.TaskKey, Task> taskMap = new ArrayMap<>();
             // Sort all tasks by increasing firstActiveTime of the task
@@ -926,13 +922,13 @@
 
     @Override
     public String toString() {
-        String str = "Stack Tasks:\n";
+        String str = "Stack Tasks (" + mStackTaskList.size() + "):\n";
         for (Task t : mStackTaskList.getTasks()) {
-            str += "  " + t.toString() + "\n";
+            str += "    " + t.toString() + "\n";
         }
-        str += "Historical Tasks:\n";
+        str += "Historical Tasks(" + mHistoryTaskList.size() + "):\n";
         for (Task t : mHistoryTaskList.getTasks()) {
-            str += "  " + t.toString() + "\n";
+            str += "    " + t.toString() + "\n";
         }
         return str;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java b/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
index 0c48cf7..dae522f 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
@@ -40,7 +40,6 @@
 import com.android.systemui.recents.events.activity.EnterRecentsWindowLastAnimationFrameEvent;
 import com.android.systemui.recents.events.activity.HideRecentsEvent;
 import com.android.systemui.recents.events.activity.LaunchTaskFailedEvent;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
 import com.android.systemui.recents.events.activity.ToggleRecentsEvent;
 import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
 import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent;
@@ -60,6 +59,8 @@
 import com.android.systemui.tv.pip.PipManager;
 
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 
 /**
  * The main TV recents activity started by the RecentsImpl.
@@ -157,11 +158,13 @@
 
 
         mRecentsView.setTaskStack(stack);
+        List stackTasks = stack.getStackTasks();
+        Collections.reverse(stackTasks);
         if (mTaskStackViewAdapter == null) {
-            mTaskStackViewAdapter = new TaskStackHorizontalViewAdapter(stack.getStackTasks());
+            mTaskStackViewAdapter = new TaskStackHorizontalViewAdapter(stackTasks);
             mRecentsView.setTaskStackViewAdapter(mTaskStackViewAdapter);
         } else {
-            mTaskStackViewAdapter.setNewStackTasks(stack.getStackTasks());
+            mTaskStackViewAdapter.setNewStackTasks(stackTasks);
         }
 
         if (launchState.launchedToTaskId != -1) {
@@ -284,14 +287,14 @@
         RecentsConfiguration config = Recents.getConfiguration();
         RecentsActivityLaunchState launchState = config.getLaunchState();
         boolean wasLaunchedByAm = !launchState.launchedFromHome &&
-                !launchState.launchedFromAppWithThumbnail;
+                !launchState.launchedFromApp;
         if (launchState.launchedHasConfigurationChanged || wasLaunchedByAm) {
             EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
         }
 
         // Notify that recents is now visible
         SystemServicesProxy ssp = Recents.getSystemServices();
-        EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, true));
+        EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, true));
 
         if (mPipManager.isPipShown()) {
             // Place mPipView at the PIP bounds for fine tuned focus handling.
@@ -340,8 +343,7 @@
         mPipManager.removeListener(mPipListener);
         mIgnoreAltTabRelease = false;
         // Notify that recents is now hidden
-        SystemServicesProxy ssp = Recents.getSystemServices();
-        EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, false));
+        EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, false));
 
         // Workaround for b/22542869, if the RecentsActivity is started again, but without going
         // through SystemUI, we need to reset the config launch flags to ensure that we do not
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvTransitionHelper.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvTransitionHelper.java
new file mode 100644
index 0000000..ef8d48e
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvTransitionHelper.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.systemui.recents.tv.views;
+
+import android.annotation.Nullable;
+import android.app.ActivityManager;
+import android.app.ActivityOptions;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IRemoteCallback;
+import android.os.RemoteException;
+import android.util.Log;
+import android.view.WindowManagerGlobal;
+import com.android.internal.annotations.GuardedBy;
+import com.android.systemui.recents.Recents;
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.events.activity.*;
+import com.android.systemui.recents.misc.SystemServicesProxy;
+import com.android.systemui.recents.model.Task;
+import com.android.systemui.recents.model.TaskStack;
+
+
+public class RecentsTvTransitionHelper {
+    private static final String TAG = "RecentsTvTransitionHelper";
+
+    private Context mContext;
+    private Handler mHandler;
+
+    public RecentsTvTransitionHelper(Context context, Handler handler) {
+        mContext = context;
+        mHandler = handler;
+    }
+
+    public void launchTaskFromRecents(final TaskStack stack, @Nullable final Task task,
+            final TaskStackHorizontalGridView stackView, final TaskCardView taskView,
+            final Rect bounds, int destinationStack) {
+        final ActivityOptions opts = ActivityOptions.makeBasic();
+        if (bounds != null) {
+            opts.setLaunchBounds(bounds.isEmpty() ? null : bounds);
+        }
+
+        final ActivityOptions.OnAnimationStartedListener animStartedListener;
+        if (task.thumbnail != null && task.thumbnail.getWidth() > 0 &&
+                task.thumbnail.getHeight() > 0) {
+            animStartedListener = new ActivityOptions.OnAnimationStartedListener() {
+                @Override
+                public void onAnimationStarted() {
+                    // If we are launching into another task, cancel the previous task's
+                    // window transition
+                    EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(task));
+                    EventBus.getDefault().send(new ExitRecentsWindowFirstAnimationFrameEvent());
+                }
+            };
+        } else {
+            // This is only the case if the task is not on screen (scrolled offscreen for example)
+            animStartedListener = new ActivityOptions.OnAnimationStartedListener() {
+                @Override
+                public void onAnimationStarted() {
+                    EventBus.getDefault().send(new ExitRecentsWindowFirstAnimationFrameEvent());
+                }
+            };
+        }
+
+        if (taskView == null) {
+            // If there is no task view, then we do not need to worry about animating out occluding
+            // task views, and we can launch immediately
+            startTaskActivity(stack, task, taskView, opts, animStartedListener);
+        } else {
+            LaunchTvTaskStartedEvent launchStartedEvent = new LaunchTvTaskStartedEvent(taskView);
+            EventBus.getDefault().send(launchStartedEvent);
+            startTaskActivity(stack, task, taskView, opts, animStartedListener);
+        }
+    }
+
+    private void startTaskActivity(TaskStack stack, Task task, @Nullable TaskCardView taskView,
+            ActivityOptions opts,final ActivityOptions.OnAnimationStartedListener animStartedListener) {
+        SystemServicesProxy ssp = Recents.getSystemServices();
+        if (ssp.startActivityFromRecents(mContext, task.key.id, task.title, opts)) {
+            // Keep track of the index of the task launch
+            int taskIndexFromFront = 0;
+            int taskIndex = stack.indexOfStackTask(task);
+            if (taskIndex > -1) {
+                taskIndexFromFront = stack.getTaskCount() - taskIndex - 1;
+            }
+            EventBus.getDefault().send(new LaunchTaskSucceededEvent(taskIndexFromFront));
+        } else {
+            // Keep track of failed launches
+            EventBus.getDefault().send(new LaunchTaskFailedEvent());
+        }
+
+        IRemoteCallback.Stub callback = null;
+        if (animStartedListener != null) {
+            callback = new IRemoteCallback.Stub() {
+                @Override
+                public void sendResult(Bundle data) throws RemoteException {
+                    mHandler.post(new Runnable() {
+                        @Override
+                        public void run() {
+                            if (animStartedListener != null) {
+                                animStartedListener.onAnimationStarted();
+                            }
+                        }
+                    });
+                }
+            };
+        }
+        try {
+            Rect taskRect = taskView.getGlobalRect();
+            WindowManagerGlobal.getWindowManagerService()
+                    .overridePendingAppTransitionThumb(task.thumbnail, taskRect.left,
+                            taskRect.top, callback, true);
+        } catch (RemoteException e) {
+            Log.w(TAG, "Failed to override transition: " + e);
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
index 8e768a2..bf6229c 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
@@ -17,6 +17,7 @@
 
 import android.content.Context;
 import android.graphics.Rect;
+import android.os.Handler;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -31,7 +32,7 @@
 import com.android.systemui.recents.events.EventBus;
 import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent;
 import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
+import com.android.systemui.recents.events.activity.LaunchTvTaskEvent;
 import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
 import com.android.systemui.recents.misc.SystemServicesProxy;
 import com.android.systemui.recents.model.Task;
@@ -53,7 +54,8 @@
     private View mEmptyView;
     private boolean mAwaitingFirstLayout = true;
     private Rect mSystemInsets = new Rect();
-
+    private RecentsTvTransitionHelper mTransitionHelper;
+    private Handler mHandler;
 
     public RecentsTvView(Context context) {
         this(context, null);
@@ -75,6 +77,8 @@
         LayoutInflater inflater = LayoutInflater.from(context);
         mEmptyView = inflater.inflate(R.layout.recents_empty, this, false);
         addView(mEmptyView);
+        mHandler = new Handler();
+        mTransitionHelper = new RecentsTvTransitionHelper(mContext, mHandler);
     }
 
     public void setTaskStack(TaskStack stack) {
@@ -209,6 +213,11 @@
 
     /**** EventBus Events ****/
 
+    public final void onBusEvent(LaunchTvTaskEvent event) {
+        mTransitionHelper.launchTaskFromRecents(mStack, event.task, mTaskStackHorizontalView,
+                event.taskView, event.targetTaskBounds, event.targetTaskStack);
+    }
+
     public final void onBusEvent(DismissRecentsToHomeAnimationStarted event) {
         // If we are going home, cancel the previous task's window transition
         EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(null));
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
index e275f22..7d8a3ce 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
@@ -16,20 +16,20 @@
 package com.android.systemui.recents.tv.views;
 
 import android.content.Context;
+import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.widget.ImageView;
-import android.widget.RelativeLayout;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import com.android.systemui.R;
-import com.android.systemui.recents.model.Task;
 import com.android.systemui.recents.tv.animations.ViewFocusAnimator;
+import com.android.systemui.recents.model.Task;
 
-public class TaskCardView extends RelativeLayout {
+public class TaskCardView extends LinearLayout {
 
     private ImageView mThumbnailView;
     private TextView mTitleTextView;
-    private TextView mContentTextView;
     private ImageView mBadgeView;
     private Task mTask;
 
@@ -52,7 +52,6 @@
     protected void onFinishInflate() {
         mThumbnailView = (ImageView) findViewById(R.id.card_view_thumbnail);
         mTitleTextView = (TextView) findViewById(R.id.card_title_text);
-        mContentTextView = (TextView) findViewById(R.id.card_content_text);
         mBadgeView = (ImageView) findViewById(R.id.card_extra_badge);
     }
 
@@ -60,11 +59,27 @@
         mTask = task;
         mThumbnailView.setImageBitmap(task.thumbnail);
         mTitleTextView.setText(task.title);
-        mContentTextView.setText(task.contentDescription);
         mBadgeView.setImageDrawable(task.icon);
     }
 
     public Task getTask() {
         return mTask;
     }
+
+    @Override
+    public void getFocusedRect(Rect r) {
+        mThumbnailView.getFocusedRect(r);
+    }
+
+    public Rect getFocusedRect() {
+        Rect r = new Rect();
+        getFocusedRect(r);
+        return r;
+    }
+
+    public Rect getGlobalRect() {
+        Rect r = new Rect();
+        getGlobalVisibleRect(r);
+        return r;
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalGridView.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalGridView.java
index 58ec852..4458639 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalGridView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalGridView.java
@@ -15,7 +15,6 @@
  */
 package com.android.systemui.recents.tv.views;
 
-
 import android.content.Context;
 import android.support.v17.leanback.widget.HorizontalGridView;
 import android.util.AttributeSet;
@@ -36,13 +35,17 @@
 /**
  * Horizontal Grid View Implementation to show the Task Stack for TV.
  */
-public class TaskStackHorizontalGridView extends HorizontalGridView implements TaskStackCallbacks{
+public class TaskStackHorizontalGridView extends HorizontalGridView implements TaskStackCallbacks {
 
     private TaskStack mStack;
     private ArrayList<TaskCardView> mTaskViews = new ArrayList<>();
     private Task mFocusedTask;
 
 
+    public TaskStackHorizontalGridView(Context context) {
+        this(context, null);
+    }
+
     public TaskStackHorizontalGridView(Context context, AttributeSet attrs) {
         super(context, attrs);
     }
@@ -64,8 +67,6 @@
      * Resets this view for reuse.
      */
     public void reset() {
-        // Reset the focused task
-        resetFocusedTask(getFocusedTask());
         requestLayout();
     }
 
@@ -73,12 +74,6 @@
      * @param task - Task to reset
      */
     private void resetFocusedTask(Task task) {
-        if (task != null) {
-            TaskCardView tv = getChildViewForTask(task);
-            if (tv != null) {
-                tv.requestFocus();
-            }
-        }
         mFocusedTask = null;
     }
 
@@ -107,6 +102,9 @@
      * @return - The focused task.
      */
     public Task getFocusedTask() {
+        if (findFocus() != null) {
+            mFocusedTask = ((TaskCardView)findFocus()).getTask();
+        }
         return mFocusedTask;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalViewAdapter.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalViewAdapter.java
index f154331..fba424e 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalViewAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalViewAdapter.java
@@ -16,7 +16,6 @@
 package com.android.systemui.recents.tv.views;
 
 import android.app.Activity;
-import android.app.ActivityManagerNative;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -24,15 +23,20 @@
 import android.view.ViewGroup;
 
 import com.android.systemui.R;
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.events.activity.LaunchTvTaskEvent;
 import com.android.systemui.recents.model.Task;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
+
 public class TaskStackHorizontalViewAdapter extends
         RecyclerView.Adapter<TaskStackHorizontalViewAdapter.ViewHolder> {
 
-    private static final String TAG = "TaskStackHorizontalViewAdapter";
+    //Full class name is 30 characters
+    private static final String TAG = "TaskStackViewAdapter";
     private List<Task> mTaskList;
 
     static class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{
@@ -54,7 +58,8 @@
         @Override
         public void onClick(View v) {
             try {
-                ActivityManagerNative.getDefault().startActivityFromRecents(mTask.key.id, null);
+                EventBus.getDefault().send(new LaunchTvTaskEvent(mTaskCardView, mTask,
+                        null, INVALID_STACK_ID));
                 ((Activity)(v.getContext())).finish();
             } catch (Exception e) {
                 Log.e(TAG, v.getContext()
@@ -73,11 +78,12 @@
         mTaskList.addAll(tasks);
         notifyDataSetChanged();
     }
+
     @Override
     public TaskStackHorizontalViewAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
             int viewType) {
         View view = LayoutInflater.from(parent.getContext())
-                .inflate(R.layout.recents_task_card_view, parent, false);
+                .inflate(R.layout.recents_tv_task_card_view, parent, false);
         ViewHolder viewHolder = new ViewHolder(view);
         return viewHolder;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/FreeformWorkspaceLayoutAlgorithm.java b/packages/SystemUI/src/com/android/systemui/recents/views/FreeformWorkspaceLayoutAlgorithm.java
index 4359101..72b914c 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/FreeformWorkspaceLayoutAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/FreeformWorkspaceLayoutAlgorithm.java
@@ -37,6 +37,13 @@
     private int mTaskPadding;
 
     public FreeformWorkspaceLayoutAlgorithm(Context context) {
+        reloadOnConfigurationChange(context);
+    }
+
+    /**
+     * Reloads the layout for the current configuration.
+     */
+    public void reloadOnConfigurationChange(Context context) {
         // This is applied to the edges of each task
         mTaskPadding = context.getResources().getDimensionPixelSize(
                 R.dimen.recents_freeform_workspace_task_padding) / 2;
@@ -72,8 +79,7 @@
                 }
                 // Bound the task width to the workspace width so that at the worst case, it will
                 // fit its own row
-                normalizedTaskWidths[i] = Math.min(rowTaskWidth,
-                        normalizedWorkspaceWidth);
+                normalizedTaskWidths[i] = Math.min(rowTaskWidth, normalizedWorkspaceWidth);
             }
 
             // Determine the scale to best fit each of the tasks in the workspace
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java
index 37b2859..dd825cb 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java
@@ -105,9 +105,6 @@
             animStartedListener = new ActivityOptions.OnAnimationStartedListener() {
                 @Override
                 public void onAnimationStarted() {
-                    // If we are launching into another task, cancel the previous task's
-                    // window transition
-                    EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(task));
                     EventBus.getDefault().send(new ExitRecentsWindowFirstAnimationFrameEvent());
 
                     if (screenPinningRequested) {
@@ -149,6 +146,10 @@
                         animStartedListener);
             }
         }
+
+        // If we are launching into another task, cancel the previous task's
+        // window transition
+        EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(task));
     }
 
     /**
@@ -176,6 +177,7 @@
             // Keep track of failed launches
             EventBus.getDefault().send(new LaunchTaskFailedEvent());
         }
+
         if (transitionFuture != null) {
             IRemoteCallback.Stub callback = null;
             if (animStartedListener != null) {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index 5dde926..1af5a55 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -60,9 +60,7 @@
 import com.android.systemui.recents.events.activity.LaunchTaskEvent;
 import com.android.systemui.recents.events.activity.ShowHistoryButtonEvent;
 import com.android.systemui.recents.events.activity.ShowHistoryEvent;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
 import com.android.systemui.recents.events.activity.ToggleHistoryEvent;
-import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
 import com.android.systemui.recents.events.ui.DraggingInRecentsEndedEvent;
 import com.android.systemui.recents.events.ui.DraggingInRecentsEvent;
 import com.android.systemui.recents.events.ui.ResetBackgroundScrimEvent;
@@ -168,35 +166,39 @@
     }
 
     /** Set/get the bsp root node */
-    public void setTaskStack(TaskStack stack) {
+    public void onResume(boolean isResumingFromVisible, TaskStack stack) {
         RecentsConfiguration config = Recents.getConfiguration();
         RecentsActivityLaunchState launchState = config.getLaunchState();
-        mStack = stack;
-        if (launchState.launchedReuseTaskStackViews) {
-            if (mTaskStackView != null) {
-                // If onRecentsHidden is not triggered, we need to the stack view again here
-                mTaskStackView.reset();
-                mTaskStackView.setStack(stack);
-            } else {
-                mTaskStackView = new TaskStackView(getContext(), stack);
-                addView(mTaskStackView);
-            }
-        } else {
-            if (mTaskStackView != null) {
-                removeView(mTaskStackView);
-            }
-            mTaskStackView = new TaskStackView(getContext(), stack);
+
+        if (mTaskStackView == null || !launchState.launchedReuseTaskStackViews) {
+            isResumingFromVisible = false;
+            removeView(mTaskStackView);
+            mTaskStackView = new TaskStackView(getContext());
+            mStack = mTaskStackView.getStack();
             addView(mTaskStackView);
         }
 
-        // If we are already occluded by the app, then just set the default background scrim now.
-        // Otherwise, defer until the enter animation completes to animate the scrim with the
-        // tasks for the home animation.
-        if (launchState.launchedWhileDocking || launchState.launchedFromAppWithThumbnail
-                || mStack.getTaskCount() == 0) {
-            mBackgroundScrim.setAlpha((int) (DEFAULT_SCRIM_ALPHA * 255));
+        // Reset the state
+        mAwaitingFirstLayout = !isResumingFromVisible;
+        mLastTaskLaunchedWasFreeform = false;
+
+        // Update the stack
+        mTaskStackView.onResume(isResumingFromVisible);
+        mTaskStackView.setTasks(stack, isResumingFromVisible /* notifyStackChanges */);
+
+        if (isResumingFromVisible) {
+            // If we are already visible, then restore the background scrim
+            animateBackgroundScrim(DEFAULT_SCRIM_ALPHA, DEFAULT_UPDATE_SCRIM_DURATION);
         } else {
-            mBackgroundScrim.setAlpha(0);
+            // If we are already occluded by the app, then set the final background scrim alpha now.
+            // Otherwise, defer until the enter animation completes to animate the scrim alpha with
+            // the tasks for the home animation.
+            if (launchState.launchedWhileDocking || launchState.launchedFromApp
+                    || mStack.getTaskCount() == 0) {
+                mBackgroundScrim.setAlpha((int) (DEFAULT_SCRIM_ALPHA * 255));
+            } else {
+                mBackgroundScrim.setAlpha(0);
+            }
         }
 
         // Update the top level view's visibilities
@@ -205,9 +207,6 @@
         } else {
             showEmptyView();
         }
-
-        // Trigger a new layout
-        requestLayout();
     }
 
     /**
@@ -662,16 +661,9 @@
         animator.start();
     }
 
-    public final void onBusEvent(TaskStackUpdatedEvent event) {
-        if (!event.inMultiWindow) {
-            mStack.setTasks(event.stack.computeAllTasksList(), true /* notifyStackChanges */);
-            mStack.createAffiliatedGroupings(getContext());
-        }
-    }
-
     public final void onBusEvent(EnterRecentsWindowAnimationCompletedEvent event) {
         RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
-        if (!launchState.launchedWhileDocking && !launchState.launchedFromAppWithThumbnail
+        if (!launchState.launchedWhileDocking && !launchState.launchedFromApp
                 && mStack.getTaskCount() > 0) {
             animateBackgroundScrim(DEFAULT_SCRIM_ALPHA,
                     TaskStackAnimationHelper.ENTER_FROM_HOME_TRANSLATION_DURATION);
@@ -686,17 +678,6 @@
         animateBackgroundScrim(DEFAULT_SCRIM_ALPHA, DEFAULT_UPDATE_SCRIM_DURATION);
     }
 
-    public final void onBusEvent(RecentsVisibilityChangedEvent event) {
-        if (!event.visible) {
-            // Reset the view state
-            mAwaitingFirstLayout = true;
-            mLastTaskLaunchedWasFreeform = false;
-            if (RecentsDebugFlags.Static.EnableHistory) {
-                hideHistoryButton(0, false /* translate */);
-            }
-        }
-    }
-
     public final void onBusEvent(ToggleHistoryEvent event) {
         if (!RecentsDebugFlags.Static.EnableHistory) {
             return;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/SystemBarScrimViews.java b/packages/SystemUI/src/com/android/systemui/recents/views/SystemBarScrimViews.java
index 1cd0850..19b219a 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/SystemBarScrimViews.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/SystemBarScrimViews.java
@@ -16,9 +16,11 @@
 
 package com.android.systemui.recents.views;
 
+import android.animation.AnimatorListenerAdapter;
 import android.app.Activity;
 import android.content.Context;
 import android.view.View;
+import android.view.ViewPropertyAnimator;
 
 import com.android.systemui.Interpolators;
 import com.android.systemui.R;
@@ -56,25 +58,41 @@
                 View.VISIBLE : View.INVISIBLE);
     }
 
+    /**
+     * Animates the nav bar scrim visibility.
+     */
+    public void animateNavBarScrimVisibility(boolean visible, AnimationProps animation) {
+        int toY = 0;
+        if (visible) {
+            mNavBarScrimView.setVisibility(View.VISIBLE);
+            mNavBarScrimView.setTranslationY(mNavBarScrimView.getMeasuredHeight());
+        } else {
+            toY = mNavBarScrimView.getMeasuredHeight();
+        }
+        if (animation != AnimationProps.IMMEDIATE) {
+            mNavBarScrimView.animate()
+                    .translationY(toY)
+                    .setDuration(animation.getDuration(AnimationProps.BOUNDS))
+                    .setInterpolator(animation.getInterpolator(AnimationProps.BOUNDS))
+                    .start();
+        } else {
+            mNavBarScrimView.setTranslationY(toY);
+        }
+    }
+
     /**** EventBus events ****/
 
     /**
      * Starts animating the scrim views when entering Recents.
      */
     public final void onBusEvent(EnterRecentsWindowAnimationCompletedEvent event) {
-        if (mHasNavBarScrim && mShouldAnimateNavBarScrim) {
-            mNavBarScrimView.setTranslationY(mNavBarScrimView.getMeasuredHeight());
-            mNavBarScrimView.animate()
-                    .translationY(0)
-                    .setDuration(mNavBarScrimEnterDuration)
-                    .setInterpolator(Interpolators.DECELERATE_QUINT)
-                    .withStartAction(new Runnable() {
-                        @Override
-                        public void run() {
-                            mNavBarScrimView.setVisibility(View.VISIBLE);
-                        }
-                    })
-                    .start();
+        if (mHasNavBarScrim) {
+            AnimationProps animation = mShouldAnimateNavBarScrim
+                    ? new AnimationProps()
+                            .setDuration(AnimationProps.BOUNDS, mNavBarScrimEnterDuration)
+                            .setInterpolator(AnimationProps.BOUNDS, Interpolators.DECELERATE_QUINT)
+                    : AnimationProps.IMMEDIATE;
+            animateNavBarScrimVisibility(true, animation);
         }
     }
 
@@ -83,13 +101,12 @@
      * going home).
      */
     public final void onBusEvent(DismissRecentsToHomeAnimationStarted event) {
-        if (mHasNavBarScrim && mShouldAnimateNavBarScrim) {
-            mNavBarScrimView.animate()
-                    .translationY(mNavBarScrimView.getMeasuredHeight())
-                    .setStartDelay(0)
-                    .setDuration(TaskStackAnimationHelper.EXIT_TO_HOME_TRANSLATION_DURATION)
-                    .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
-                    .start();
+        if (mHasNavBarScrim) {
+            AnimationProps animation = new AnimationProps()
+                    .setDuration(AnimationProps.BOUNDS,
+                            TaskStackAnimationHelper.EXIT_TO_HOME_TRANSLATION_DURATION)
+                    .setInterpolator(AnimationProps.BOUNDS, Interpolators.FAST_OUT_SLOW_IN);
+            animateNavBarScrimVisibility(false, animation);
         }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackAnimationHelper.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackAnimationHelper.java
index d152010..758f4d82 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackAnimationHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackAnimationHelper.java
@@ -56,8 +56,8 @@
         /**
          * Callback to start the animation for the launch target {@link TaskView}.
          */
-        void onStartLaunchTargetEnterAnimation(int duration, boolean screenPinningEnabled,
-                ReferenceCountedTrigger postAnimationTrigger);
+        void onStartLaunchTargetEnterAnimation(TaskViewTransform transform, int duration,
+                boolean screenPinningEnabled, ReferenceCountedTrigger postAnimationTrigger);
 
         /**
          * Callback to start the animation for the launch target {@link TaskView} when it is
@@ -141,7 +141,7 @@
                 tv.setVisibility(View.INVISIBLE);
             } else if (launchState.launchedHasConfigurationChanged) {
                 // Just load the views as-is
-            } else if (launchState.launchedFromAppWithThumbnail) {
+            } else if (launchState.launchedFromApp) {
                 if (task.isLaunchTarget) {
                     tv.onPrepareLaunchTargetForEnterAnimation();
                 } else if (currentTaskOccludesLaunchTarget) {
@@ -205,10 +205,11 @@
             stackLayout.getStackTransform(task, stackScroller.getStackScroll(), mTmpTransform,
                     null);
 
-            if (launchState.launchedFromAppWithThumbnail) {
+            if (launchState.launchedFromApp) {
                 if (task.isLaunchTarget) {
-                    tv.onStartLaunchTargetEnterAnimation(taskViewEnterFromAppDuration,
-                            mStackView.mScreenPinningEnabled, postAnimationTrigger);
+                    tv.onStartLaunchTargetEnterAnimation(mTmpTransform,
+                            taskViewEnterFromAppDuration, mStackView.mScreenPinningEnabled,
+                            postAnimationTrigger);
                 } else {
                     // Animate the task up if it was occluding the launch target
                     if (currentTaskOccludesLaunchTarget) {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
index 261b6f6..699b85e 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
@@ -29,6 +29,7 @@
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsActivityLaunchState;
 import com.android.systemui.recents.RecentsConfiguration;
+import com.android.systemui.recents.RecentsDebugFlags;
 import com.android.systemui.recents.misc.FreePathInterpolator;
 import com.android.systemui.recents.misc.SystemServicesProxy;
 import com.android.systemui.recents.misc.Utilities;
@@ -36,6 +37,7 @@
 import com.android.systemui.recents.model.TaskStack;
 
 import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Used to describe a visible range that can be normalized to [0, 1].
@@ -220,6 +222,10 @@
     private Range mUnfocusedRange;
     private Range mFocusedRange;
 
+    // The initial offset from the top of the stack
+    @ViewDebug.ExportedProperty(category="recents")
+    private int mInitialTopPeekHeight;
+
     // The offset from the top when scrolled to the top of the stack
     @ViewDebug.ExportedProperty(category="recents")
     private int mFocusedTopPeekHeight;
@@ -231,6 +237,10 @@
     @ViewDebug.ExportedProperty(category="recents")
     private int mStackTopOffset;
 
+    // The height of the header bar
+    @ViewDebug.ExportedProperty(category="recents")
+    private int mHeaderBarHeight;
+
     // The offset from the bottom of the stack to the bottom of the bounds when the stack is
     // scrolled to the front
     @ViewDebug.ExportedProperty(category="recents")
@@ -249,6 +259,9 @@
     private FreePathInterpolator mUnfocusedDimCurveInterpolator;
     private FreePathInterpolator mFocusedDimCurveInterpolator;
 
+    // Indexed from the front of the stack, the normalized x in the unfocused range for each task
+    private float[] mInitialNormX;
+
     // The state of the stack focus (0..1), which controls the transition of the stack from the
     // focused to non-focused state
     @ViewDebug.ExportedProperty(category="recents")
@@ -292,23 +305,32 @@
     TaskViewTransform mFrontOfStackTransform = new TaskViewTransform();
 
     public TaskStackLayoutAlgorithm(Context context, TaskStackLayoutAlgorithmCallbacks cb) {
-        Resources res = context.getResources();
         mContext = context;
         mCb = cb;
+        mFreeformLayoutAlgorithm = new FreeformWorkspaceLayoutAlgorithm(context);
+        reloadOnConfigurationChange(context);
+    }
 
+    /**
+     * Reloads the layout for the current configuration.
+     */
+    public void reloadOnConfigurationChange(Context context) {
+        Resources res = context.getResources();
         mFocusedRange = new Range(res.getFloat(R.integer.recents_layout_focused_range_min),
                 res.getFloat(R.integer.recents_layout_focused_range_max));
         mUnfocusedRange = new Range(res.getFloat(R.integer.recents_layout_unfocused_range_min),
                 res.getFloat(R.integer.recents_layout_unfocused_range_max));
-        mFocusState = getDefaultFocusState();
+        mFocusState = getInitialFocusState();
+        mInitialTopPeekHeight = res.getDimensionPixelSize(R.dimen.recents_initial_top_peek_size);
         mFocusedTopPeekHeight =
                 res.getDimensionPixelSize(R.dimen.recents_layout_focused_top_peek_size);
         mFocusedBottomTaskPeekHeight =
                 res.getDimensionPixelSize(R.dimen.recents_layout_focused_bottom_task_peek_size);
+        mHeaderBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
 
         mMinTranslationZ = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
         mMaxTranslationZ = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
-        mFreeformLayoutAlgorithm = new FreeformWorkspaceLayoutAlgorithm(context);
+        mFreeformLayoutAlgorithm.reloadOnConfigurationChange(context);
     }
 
     /**
@@ -316,7 +338,7 @@
      */
     public void reset() {
         mTaskIndexOverrideMap.clear();
-        setFocusState(getDefaultFocusState());
+        setFocusState(getInitialFocusState());
     }
 
     /**
@@ -439,46 +461,86 @@
             mTaskIndexMap.put(task.key.id, i);
         }
 
-        // Calculate the min/max scroll
-        if (getDefaultFocusState() > 0f) {
-            mMinScrollP = 0;
-            mMaxScrollP = Math.max(mMinScrollP, mNumStackTasks - 1);
-        } else {
-            if (!ssp.hasFreeformWorkspaceSupport() && mNumStackTasks == 1) {
-                mMinScrollP = mMaxScrollP = 0;
-            } else {
-                float bottomOffsetPct = (float) (mStackBottomOffset + mTaskRect.height()) /
-                        mStackRect.height();
-                float normX = mUnfocusedCurveInterpolator.getX(bottomOffsetPct);
-                mMinScrollP = 0;
-                mMaxScrollP = Math.max(mMinScrollP, (mNumStackTasks - 1) -
-                        Math.max(0, mUnfocusedRange.getAbsoluteX(normX)));
-            }
-        }
-
+        // Update the freeform tasks
         if (!freeformTasks.isEmpty()) {
             mFreeformLayoutAlgorithm.update(freeformTasks, this);
-            mInitialScrollP = mMaxScrollP;
-        } else {
-            Task launchTask = stack.getLaunchTarget();
-            int launchTaskIndex = launchTask != null
-                    ? stack.indexOfStackTask(launchTask)
-                    : mNumStackTasks - 1;
-            if (!ssp.hasFreeformWorkspaceSupport() && mNumStackTasks == 1) {
-                mInitialScrollP = mMinScrollP;
-            } else if (getDefaultFocusState() > 0f) {
-                if (launchState.launchedFromHome) {
-                    mInitialScrollP = Utilities.clamp(launchTaskIndex, mMinScrollP, mMaxScrollP);
-                } else {
-                    mInitialScrollP = Utilities.clamp(launchTaskIndex - 1, mMinScrollP,
-                            mMaxScrollP);
-                }
+        }
+
+        // Calculate the min/max/initial scroll
+        Task launchTask = stack.getLaunchTarget();
+        int launchTaskIndex = launchTask != null
+                ? stack.indexOfStackTask(launchTask)
+                : mNumStackTasks - 1;
+        if (getInitialFocusState() == STATE_FOCUSED) {
+            mMinScrollP = 0;
+            mMaxScrollP = Math.max(mMinScrollP, mNumStackTasks - 1);
+            if (launchState.launchedFromHome) {
+                mInitialScrollP = Utilities.clamp(launchTaskIndex, mMinScrollP, mMaxScrollP);
             } else {
-                float offsetPct = (float) (mTaskRect.height() / 3) / mStackRect.height();
-                float normX = mUnfocusedCurveInterpolator.getX(offsetPct);
-                mInitialScrollP = Utilities.clamp(launchTaskIndex -
-                        mUnfocusedRange.getAbsoluteX(normX), mMinScrollP, mMaxScrollP);
+                mInitialScrollP = Utilities.clamp(launchTaskIndex - 1, mMinScrollP, mMaxScrollP);
             }
+        } else if (!ssp.hasFreeformWorkspaceSupport() && mNumStackTasks == 1) {
+            // If there is one stack task, ignore the min/max/initial scroll positions
+            mMinScrollP = 0;
+            mMaxScrollP = 0;
+            mInitialScrollP = 0;
+        } else {
+            // Set the max scroll to be the point where the front most task is visible with the
+            // stack bottom offset
+            int maxBottomOffset = mStackBottomOffset + mTaskRect.height();
+            float maxBottomOffsetPct = (float) maxBottomOffset / mStackRect.height();
+            float maxBottomNormX = mUnfocusedCurveInterpolator.getX(maxBottomOffsetPct);
+            mUnfocusedRange.offset(0f);
+            mMinScrollP = 0;
+            mMaxScrollP = Math.max(mMinScrollP, (mNumStackTasks - 1) -
+                    Math.max(0, mUnfocusedRange.getAbsoluteX(maxBottomNormX)));
+            boolean scrollToFront = launchState.launchedFromHome ||
+                    launchState.launchedFromAppDocked;
+            if (scrollToFront) {
+                mInitialScrollP = Utilities.clamp(launchTaskIndex, mMinScrollP, mMaxScrollP);
+            } else {
+                mInitialScrollP = Utilities.clamp(launchTaskIndex - 1, mMinScrollP, mMaxScrollP);
+            }
+
+            // Set the initial scroll to the predefined state (which differs from the stack)
+            int initialPeekOffset = mStackRect.height() - mInitialTopPeekHeight;
+            float initialPeekOffsetPct = (float) initialPeekOffset / mStackRect.height();
+            float initialPeekOffsetNormX = mUnfocusedCurveInterpolator.getX(initialPeekOffsetPct);
+            float initialFocusedOffset = mStackRect.height() - mInitialTopPeekHeight -
+                    (mHeaderBarHeight * 1f) + 1;
+            float initialFocusedOffsetPct = (float) initialFocusedOffset / mStackRect.height();
+            float initialFocusedNormX = mUnfocusedCurveInterpolator.getX(initialFocusedOffsetPct);
+            int initialBottomOffset = mStackBottomOffset + mHeaderBarHeight;
+            float initialBottomOffsetPct = (float) initialBottomOffset / mStackRect.height();
+            float initialBottomNormX = mUnfocusedCurveInterpolator.getX(initialBottomOffsetPct);
+            /*
+            // If we want to offset the top card slightly
+            mInitialNormX = scrollToFront
+                    ? new float[] { initialFocusedNormX, initialPeekOffsetNormX, 0f }
+                    : new float[] { initialBottomNormX, initialFocusedNormX,
+                            initialPeekOffsetNormX, 0f };
+            */
+            mInitialNormX = scrollToFront
+                    ? new float[] { initialFocusedNormX, initialPeekOffsetNormX, 0f }
+                    : new float[] { initialBottomNormX, 0.5f, 0f };
+        }
+    }
+
+    public void updateToInitialState(List<Task> tasks) {
+        if (mInitialNormX == null) {
+            return;
+        }
+
+        mUnfocusedRange.offset(0f);
+        int taskCount = tasks.size();
+        for (int i = taskCount - 1; i >= 0; i--) {
+            int indexFromFront = taskCount - i - 1;
+            if (indexFromFront >= mInitialNormX.length) {
+                break;
+            }
+            float newTaskProgress = mInitialScrollP +
+                    mUnfocusedRange.getAbsoluteX(mInitialNormX[indexFromFront]);
+            mTaskIndexOverrideMap.put(tasks.get(i).key.id, newTaskProgress);
         }
     }
 
@@ -500,10 +562,18 @@
         }
     }
 
+    public void clearUnfocusedTaskOverrides() {
+        mTaskIndexOverrideMap.clear();
+    }
+
     /**
      * Updates this stack when a scroll happens.
      */
     public void updateFocusStateOnScroll(float stackScroll, float deltaScroll) {
+        if (deltaScroll == 0f) {
+            return;
+        }
+
         for (int i = mTaskIndexOverrideMap.size() - 1; i >= 0; i--) {
             int taskId = mTaskIndexOverrideMap.keyAt(i);
             float x = mTaskIndexMap.get(taskId);
@@ -523,7 +593,7 @@
             } else {
                 // Scrolling override x away from x, we should still move the scroll towards x
                 float deltaX = overrideX - x;
-                newOverrideX = Math.signum(deltaX) * (Math.abs(deltaX) - deltaScroll);
+                newOverrideX = Math.signum(deltaX) * (Math.abs(deltaX) - Math.abs(deltaScroll));
                 mTaskIndexOverrideMap.put(taskId, x + newOverrideX);
             }
         }
@@ -532,8 +602,13 @@
     /**
      * Returns the default focus state.
      */
-    public int getDefaultFocusState() {
-        return STATE_FOCUSED;
+    public int getInitialFocusState() {
+        RecentsDebugFlags debugFlags = Recents.getDebugFlags();
+        if (debugFlags.isPagingEnabled()) {
+            return STATE_FOCUSED;
+        } else {
+            return STATE_UNFOCUSED;
+        }
     }
 
     /**
@@ -559,6 +634,13 @@
     }
 
     /**
+     * Returns whether this stack layout has been initialized.
+     */
+    public boolean isInitialized() {
+        return !mStackRect.isEmpty();
+    }
+
+    /**
      * Computes the maximum number of visible tasks and thumbnails when the scroll is at the initial
      * stack scroll.  Requires that update() is called first.
      */
@@ -577,7 +659,7 @@
         // Otherwise, walk backwards in the stack and count the number of tasks and visible
         // thumbnails and add that to the total freeform task count
         TaskViewTransform tmpTransform = new TaskViewTransform();
-        Range currentRange = getDefaultFocusState() > 0f ? mFocusedRange : mUnfocusedRange;
+        Range currentRange = getInitialFocusState() > 0f ? mFocusedRange : mUnfocusedRange;
         currentRange.offset(mInitialScrollP);
         int taskBarHeight = mContext.getResources().getDimensionPixelSize(
                 R.dimen.recents_task_bar_height);
@@ -600,8 +682,9 @@
 
             boolean isFrontMostTaskInGroup = task.group == null || task.group.isFrontMostTask(task);
             if (isFrontMostTaskInGroup) {
-                getStackTransform(taskProgress, mInitialScrollP, mFocusState, tmpTransform, null,
-                        false /* ignoreSingleTaskCase */, false /* forceUpdate */);
+                getStackTransform(taskProgress, taskProgress, mInitialScrollP, mFocusState,
+                        tmpTransform, null, false /* ignoreSingleTaskCase */,
+                        false /* forceUpdate */);
                 float screenY = tmpTransform.rect.top;
                 boolean hasVisibleThumbnail = (prevScreenY - screenY) > taskBarHeight;
                 if (hasVisibleThumbnail) {
@@ -635,23 +718,34 @@
     public TaskViewTransform getStackTransform(Task task, float stackScroll,
             TaskViewTransform transformOut, TaskViewTransform frontTransform) {
         return getStackTransform(task, stackScroll, mFocusState, transformOut, frontTransform,
-                false /* forceUpdate */);
+                false /* forceUpdate */, false /* ignoreTaskOverrides */);
+    }
+
+    public TaskViewTransform getStackTransform(Task task, float stackScroll,
+            TaskViewTransform transformOut, TaskViewTransform frontTransform,
+            boolean ignoreTaskOverrides) {
+        return getStackTransform(task, stackScroll, mFocusState, transformOut, frontTransform,
+                false /* forceUpdate */, ignoreTaskOverrides);
     }
 
     public TaskViewTransform getStackTransform(Task task, float stackScroll, int focusState,
-        TaskViewTransform transformOut, TaskViewTransform frontTransform, boolean forceUpdate) {
+            TaskViewTransform transformOut, TaskViewTransform frontTransform, boolean forceUpdate,
+            boolean ignoreTaskOverrides) {
         if (mFreeformLayoutAlgorithm.isTransformAvailable(task, this)) {
             mFreeformLayoutAlgorithm.getTransform(task, transformOut, this);
             return transformOut;
         } else {
             // Return early if we have an invalid index
-            if (task == null || mTaskIndexMap.get(task.key.id, -1) == -1) {
+            int nonOverrideTaskProgress = mTaskIndexMap.get(task.key.id, -1);
+            if (task == null || nonOverrideTaskProgress == -1) {
                 transformOut.reset();
                 return transformOut;
             }
-            float taskProgress = getStackScrollForTask(task);
-            getStackTransform(taskProgress, stackScroll, focusState, transformOut,
-                    frontTransform, false /* ignoreSingleTaskCase */, forceUpdate);
+            float taskProgress = ignoreTaskOverrides
+                    ? nonOverrideTaskProgress
+                    : getStackScrollForTask(task);
+            getStackTransform(taskProgress, nonOverrideTaskProgress, stackScroll, focusState,
+                    transformOut, frontTransform, false /* ignoreSingleTaskCase */, forceUpdate);
             return transformOut;
         }
     }
@@ -676,9 +770,9 @@
      *                             internally to ensure that we can calculate the transform for any
      *                             position in the stack.
      */
-    public void getStackTransform(float taskProgress, float stackScroll, int focusState,
-            TaskViewTransform transformOut, TaskViewTransform frontTransform,
-            boolean ignoreSingleTaskCase, boolean forceUpdate) {
+    public void getStackTransform(float taskProgress, float nonOverrideTaskProgress,
+            float stackScroll, int focusState, TaskViewTransform transformOut,
+            TaskViewTransform frontTransform, boolean ignoreSingleTaskCase, boolean forceUpdate) {
         SystemServicesProxy ssp = Recents.getSystemServices();
 
         // Compute the focused and unfocused offset
@@ -687,6 +781,8 @@
         mFocusedRange.offset(boundedStackScroll);
         float boundedScrollUnfocusedRangeX = mUnfocusedRange.getNormalizedX(taskProgress);
         float boundedScrollFocusedRangeX = mFocusedRange.getNormalizedX(taskProgress);
+        float boundedScrollUnfocusedNonOverrideRangeX =
+                mUnfocusedRange.getNormalizedX(nonOverrideTaskProgress);
         mUnfocusedRange.offset(stackScroll);
         mFocusedRange.offset(stackScroll);
         boolean unfocusedVisible = mUnfocusedRange.isInRange(taskProgress);
@@ -730,7 +826,7 @@
 
             y = (mStackRect.top - mTaskRect.top) +
                     (int) Utilities.mapRange(focusState, unfocusedY, focusedY);
-            z = Utilities.mapRange(Utilities.clamp01(boundedScrollUnfocusedRangeX),
+            z = Utilities.mapRange(Utilities.clamp01(boundedScrollUnfocusedNonOverrideRangeX),
                     mMinTranslationZ, mMaxTranslationZ);
             dimAlpha = Utilities.mapRange(focusState, unfocusedDim, focusedDim);
             viewOutlineAlpha = Utilities.mapRange(Utilities.clamp01(boundedScrollUnfocusedRangeX),
@@ -851,8 +947,8 @@
         // The unfocused dim interpolator starts at max dim, reduces to zero at 0.5 (the focused
         // task), then goes back to max dim towards the front of the stack
         p.moveTo(0f, MAX_DIM);
-        p.cubicTo(0f, 0.1f, 0.4f, 0f, 0.5f, 0f);
-        p.cubicTo(0.6f, 0f, 0.9f, MAX_DIM - 0.1f, 1f, MAX_DIM / 2f);
+        p.cubicTo(0.1f, MAX_DIM, 0.4f, 0.0f, 0.5f, 0f);
+        p.cubicTo(0.6f, 0f, 0.9f, MAX_DIM / 2f, 1f, MAX_DIM / 2f);
         return p;
     }
 
@@ -870,9 +966,9 @@
                 mFocusedRange.relativeMin);
         float max = Utilities.mapRange(mFocusState, mUnfocusedRange.relativeMax,
                 mFocusedRange.relativeMax);
-        getStackTransform(min, 0f, mFocusState, mBackOfStackTransform, null,
+        getStackTransform(min, min, 0f, mFocusState, mBackOfStackTransform, null,
                 true /* ignoreSingleTaskCase */, true /* forceUpdate */);
-        getStackTransform(max, 0f, mFocusState, mFrontOfStackTransform, null,
+        getStackTransform(max, max, 0f, mFocusState, mFrontOfStackTransform, null,
                 true /* ignoreSingleTaskCase */, true /* forceUpdate */);
         mBackOfStackTransform.visible = true;
         mFrontOfStackTransform.visible = true;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
index e1a81c8..6abb826 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -35,7 +35,6 @@
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.MutableBoolean;
-import android.util.SparseBooleanArray;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
@@ -56,6 +55,7 @@
 import com.android.systemui.recents.RecentsDebugFlags;
 import com.android.systemui.recents.events.EventBus;
 import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent;
+import com.android.systemui.recents.events.activity.ConfigurationChangedEvent;
 import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted;
 import com.android.systemui.recents.events.activity.EnterRecentsTaskStackAnimationCompletedEvent;
 import com.android.systemui.recents.events.activity.EnterRecentsWindowAnimationCompletedEvent;
@@ -65,15 +65,13 @@
 import com.android.systemui.recents.events.activity.LaunchNextTaskRequestEvent;
 import com.android.systemui.recents.events.activity.LaunchTaskEvent;
 import com.android.systemui.recents.events.activity.LaunchTaskStartedEvent;
+import com.android.systemui.recents.events.activity.MultiWindowStateChangedEvent;
 import com.android.systemui.recents.events.activity.PackagesChangedEvent;
 import com.android.systemui.recents.events.activity.ShowHistoryButtonEvent;
 import com.android.systemui.recents.events.activity.ShowHistoryEvent;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
-import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
 import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent;
 import com.android.systemui.recents.events.ui.DeleteTaskDataEvent;
 import com.android.systemui.recents.events.ui.DismissTaskViewEvent;
-import com.android.systemui.recents.events.ui.StackViewScrolledEvent;
 import com.android.systemui.recents.events.ui.TaskViewDismissedEvent;
 import com.android.systemui.recents.events.ui.UpdateFreeformTaskViewVisibilityEvent;
 import com.android.systemui.recents.events.ui.UserInteractionEvent;
@@ -118,7 +116,7 @@
     private static final ArraySet<Task.TaskKey> EMPTY_TASK_SET = new ArraySet<>();
 
     LayoutInflater mInflater;
-    TaskStack mStack;
+    TaskStack mStack = new TaskStack();
     @ViewDebug.ExportedProperty(deepExport=true, prefix="layout_")
     TaskStackLayoutAlgorithm mLayoutAlgorithm;
     @ViewDebug.ExportedProperty(deepExport=true, prefix="scroller_")
@@ -207,13 +205,13 @@
         }
     };
 
-    public TaskStackView(Context context, TaskStack stack) {
+    public TaskStackView(Context context) {
         super(context);
         SystemServicesProxy ssp = Recents.getSystemServices();
         Resources res = context.getResources();
 
         // Set the stack first
-        setStack(stack);
+        mStack.setCallbacks(this);
         mViewPool = new ViewPool<>(context, this);
         mInflater = LayoutInflater.from(context);
         mLayoutAlgorithm = new TaskStackLayoutAlgorithm(context, this);
@@ -249,6 +247,41 @@
         }
     }
 
+    /**
+     * Called only if we are resuming Recents.
+     */
+    void onResume(boolean isResumingFromVisible) {
+        if (!isResumingFromVisible) {
+            // Reset the focused task
+            resetFocusedTask(getFocusedTask());
+        }
+
+        // Reset the state of each of the task views
+        List<TaskView> taskViews = new ArrayList<>();
+        taskViews.addAll(getTaskViews());
+        taskViews.addAll(mViewPool.getViews());
+        for (int i = taskViews.size() - 1; i >= 0; i--) {
+            taskViews.get(i).onResume(isResumingFromVisible);
+        }
+
+        // Reset the stack state
+        readSystemFlags();
+        mTaskViewsClipDirty = true;
+        mEnterAnimationComplete = false;
+        mUIDozeTrigger.stopDozing();
+        if (isResumingFromVisible) {
+            // Animate in the freeform workspace
+            int ffBgAlpha = mLayoutAlgorithm.getStackState().freeformBackgroundAlpha;
+            animateFreeformWorkspaceBackgroundAlpha(ffBgAlpha, new AnimationProps(150,
+                    Interpolators.FAST_OUT_SLOW_IN));
+        } else {
+            mStackScroller.reset();
+            mLayoutAlgorithm.reset();
+            mAwaitingFirstLayout = true;
+            requestLayout();
+        }
+    }
+
     @Override
     protected void onAttachedToWindow() {
         EventBus.getDefault().register(this, RecentsActivity.EVENT_BUS_PRIORITY + 1);
@@ -262,22 +295,35 @@
         EventBus.getDefault().unregister(this);
     }
 
-    /** Sets the task stack */
-    void setStack(TaskStack stack) {
-        // Set the new stack
-        mStack = stack;
-        if (mStack != null) {
-            mStack.setCallbacks(this);
+    /**
+     * Sets the stack tasks of this TaskStackView from the given TaskStack.
+     */
+    public void setTasks(TaskStack stack, boolean notifyStackChanges) {
+        boolean isInitialized = mLayoutAlgorithm.isInitialized();
+        mStack.setTasks(getContext(), stack.computeAllTasksList(),
+                notifyStackChanges && isInitialized);
+        if (isInitialized) {
+            // Only update the layout if we are notifying, otherwise, we will update it in the next
+            // measure/layout pass
+            updateLayoutAlgorithm(false /* boundScroll */, EMPTY_TASK_SET);
+            updateToInitialState();
+            relayoutTaskViewsOnNextFrame(AnimationProps.IMMEDIATE);
         }
-        // Layout again with the new stack
-        requestLayout();
     }
 
     /** Returns the task stack. */
-    TaskStack getStack() {
+    public TaskStack getStack() {
         return mStack;
     }
 
+    /**
+     * Updates this TaskStackView to the initial state.
+     */
+    public void updateToInitialState() {
+        mStackScroller.setStackScrollToInitialState();
+        mLayoutAlgorithm.updateToInitialState(mStack.getStackTasks());
+    }
+
     /** Updates the list of task views */
     void updateTaskViewsList() {
         mTaskViews.clear();
@@ -331,37 +377,6 @@
         return null;
     }
 
-    /** Resets this TaskStackView for reuse. */
-    void reset() {
-        // Reset the focused task
-        resetFocusedTask(getFocusedTask());
-
-        // Return all the views to the pool
-        List<TaskView> taskViews = getTaskViews();
-        int taskViewCount = taskViews.size();
-        for (int i = taskViewCount - 1; i >= 0; i--) {
-            mViewPool.returnViewToPool(taskViews.get(i));
-        }
-
-        // Mark each task view for relayout
-        List<TaskView> poolViews = mViewPool.getViews();
-        for (TaskView tv : poolViews) {
-            tv.reset();
-        }
-
-        // Reset the stack state
-        mStack.reset();
-        mTaskViewsClipDirty = true;
-        mAwaitingFirstLayout = true;
-        mEnterAnimationComplete = false;
-        mUIDozeTrigger.stopDozing();
-        mUIDozeTrigger.resetTrigger();
-        mStackScroller.reset();
-        mLayoutAlgorithm.reset();
-        readSystemFlags();
-        requestLayout();
-    }
-
     /** Returns the stack algorithm for this task stack. */
     public TaskStackLayoutAlgorithm getStackAlgorithm() {
         return mLayoutAlgorithm;
@@ -410,7 +425,7 @@
      */
     int[] computeVisibleTaskTransforms(ArrayList<TaskViewTransform> taskTransforms,
             ArrayList<Task> tasks, float curStackScroll, float targetStackScroll,
-            ArraySet<Task.TaskKey> ignoreTasksSet) {
+            ArraySet<Task.TaskKey> ignoreTasksSet, boolean ignoreTaskOverrides) {
         int taskCount = tasks.size();
         int[] visibleTaskRange = mTmpIntPair;
         visibleTaskRange[0] = -1;
@@ -430,7 +445,7 @@
 
             // Calculate the current and (if necessary) the target transform for the task
             transform = mLayoutAlgorithm.getStackTransform(task, curStackScroll,
-                    taskTransforms.get(i), frontTransform);
+                    taskTransforms.get(i), frontTransform, ignoreTaskOverrides);
             if (useTargetStackScroll && !transform.visible) {
                 // If we have a target stack scroll and the task is not currently visible, then we
                 // just update the transform at the new scroll
@@ -468,11 +483,13 @@
 
     /**
      * Binds the visible {@link TaskView}s at the given target scroll.
-     *
-     * @see #bindVisibleTaskViews(float, ArraySet<Task.TaskKey>)
      */
     void bindVisibleTaskViews(float targetStackScroll) {
-        bindVisibleTaskViews(targetStackScroll, mIgnoreTasks);
+        bindVisibleTaskViews(targetStackScroll, mIgnoreTasks, false /* ignoreTaskOverrides */);
+    }
+
+    void bindVisibleTaskViews(float targetStackScroll, boolean ignoreTaskOverrides) {
+        bindVisibleTaskViews(targetStackScroll, mIgnoreTasks, ignoreTaskOverrides);
     }
 
     /**
@@ -487,12 +504,16 @@
      *                          target stack scroll.
      * @param ignoreTasksSet The set of tasks to ignore in this rebinding of the visible
      *                       {@link TaskView}s
+     * @param ignoreTaskOverrides If set, the visible task computation will get the transforms for
+     *                            tasks at their non-overridden task progress
      */
-    void bindVisibleTaskViews(float targetStackScroll, ArraySet<Task.TaskKey> ignoreTasksSet) {
+    void bindVisibleTaskViews(float targetStackScroll, ArraySet<Task.TaskKey> ignoreTasksSet,
+            boolean ignoreTaskOverrides) {
         // Get all the task transforms
         ArrayList<Task> tasks = mStack.getStackTasks();
         int[] visibleTaskRange = computeVisibleTaskTransforms(mCurrentTaskTransforms, tasks,
-                mStackScroller.getStackScroll(), targetStackScroll, ignoreTasksSet);
+                mStackScroller.getStackScroll(), targetStackScroll, ignoreTasksSet,
+                ignoreTaskOverrides);
 
         // Return all the invisible children to the pool
         mTmpTaskViewMap.clear();
@@ -502,15 +523,22 @@
         for (int i = taskViewCount - 1; i >= 0; i--) {
             TaskView tv = taskViews.get(i);
             Task task = tv.getTask();
-            int taskIndex = mStack.indexOfStackTask(task);
-            TaskViewTransform transform = mCurrentTaskTransforms.get(taskIndex);
 
             // Skip ignored tasks
             if (ignoreTasksSet.contains(task.key)) {
                 continue;
             }
 
-            if (task.isFreeformTask() || transform.visible) {
+            // It is possible for the set of lingering TaskViews to differ from the stack if the
+            // stack was updated before the relayout.  If the task view is no longer in the stack,
+            // then just return it back to the view pool.
+            int taskIndex = mStack.indexOfStackTask(task);
+            TaskViewTransform transform = null;
+            if (taskIndex != -1) {
+                transform = mCurrentTaskTransforms.get(taskIndex);
+            }
+
+            if (task.isFreeformTask() || (transform != null && transform.visible)) {
                 mTmpTaskViewMap.put(task.key, tv);
             } else {
                 if (mTouchExplorationEnabled) {
@@ -605,7 +633,8 @@
         cancelAllTaskViewAnimations();
 
         // Synchronize the current set of TaskViews
-        bindVisibleTaskViews(mStackScroller.getStackScroll(), ignoreTasksSet);
+        bindVisibleTaskViews(mStackScroller.getStackScroll(), ignoreTasksSet,
+                false /* ignoreTaskOverrides */);
 
         // Animate them to their final transforms with the given animation
         List<TaskView> taskViews = getTaskViews();
@@ -657,7 +686,8 @@
                 transform.fillIn(tv);
             } else {
                 mLayoutAlgorithm.getStackTransform(task, mStackScroller.getStackScroll(),
-                        focusState, transform, null, true /* forceUpdate */);
+                        focusState, transform, null, true /* forceUpdate */,
+                        false /* ignoreTaskOverrides */);
             }
             transform.visible = true;
         }
@@ -674,7 +704,7 @@
             Task task = tasks.get(i);
             TaskViewTransform transform = transformsOut.get(i);
             mLayoutAlgorithm.getStackTransform(task, stackScroll, focusState, transform, null,
-                    true /* forceUpdate */);
+                    true /* forceUpdate */, true /* ignoreTaskOverrides */);
             transform.visible = true;
         }
     }
@@ -759,9 +789,7 @@
                 }
             }
             tv.getViewBounds().setClipBottom(clipBottom);
-            if (!config.useHardwareLayers) {
-                tv.mThumbnailView.updateThumbnailVisibility(clipBottom - tv.getPaddingBottom());
-            }
+            tv.mThumbnailView.updateThumbnailVisibility(clipBottom - tv.getPaddingBottom());
             prevVisibleTv = tv;
         }
         mTaskViewsClipDirty = false;
@@ -860,6 +888,7 @@
                     cancelAllTaskViewAnimations();
                 }
 
+                mLayoutAlgorithm.clearUnfocusedTaskOverrides();
                 willScroll = mAnimationHelper.startScrollToFocusedTaskAnimation(newFocusedTask,
                         requestViewFocus);
             } else {
@@ -1107,15 +1136,6 @@
     }
 
     /**
-     * This is ONLY used from the Recents component to update the dummy stack view for purposes
-     * of getting the task rect to animate to.
-     */
-    public void updateLayoutForStack(TaskStack stack) {
-        mStack = stack;
-        updateLayoutAlgorithm(false /* boundScroll */, EMPTY_TASK_SET);
-    }
-
-    /**
      * Computes the maximum number of visible tasks and thumbnails. Requires that
      * updateLayoutForStack() is called first.
      */
@@ -1162,11 +1182,16 @@
 
         // If this is the first layout, then scroll to the front of the stack, then update the
         // TaskViews with the stack so that we can lay them out
-        if (mAwaitingFirstLayout) {
-            mStackScroller.setStackScrollToInitialState();
+        // TODO: The second check is a workaround for wacky layouts that we get while docking via
+        //       long pressing the recents button
+        if (mAwaitingFirstLayout ||
+                (mStackScroller.getStackScroll() == mLayoutAlgorithm.mInitialScrollP)) {
+            updateToInitialState();
         }
+
         // Rebind all the views, including the ignore ones
-        bindVisibleTaskViews(mStackScroller.getStackScroll(), EMPTY_TASK_SET);
+        bindVisibleTaskViews(mStackScroller.getStackScroll(), EMPTY_TASK_SET,
+                false /* ignoreTaskOverrides */);
 
         // Measure each of the TaskViews
         mTmpTaskViews.clear();
@@ -1405,7 +1430,7 @@
     public void onReturnViewToPool(TaskView tv) {
         final Task task = tv.getTask();
 
-        // Report that this tasks's data is no longer being used
+        // Report that this task's data is no longer being used
         Recents.getTaskLoader().unloadTaskData(task);
 
         // Reset the view properties and view state
@@ -1458,7 +1483,7 @@
         Recents.getTaskLoader().loadTaskData(task, true /* fetchAndInvalidateThumbnails */);
 
         // If the doze trigger has already fired, then update the state for this task view
-        if (mUIDozeTrigger.hasTriggered()) {
+        if (mUIDozeTrigger.isAsleep()) {
             tv.setNoUserInteractionState();
         }
 
@@ -1652,12 +1677,6 @@
         }
     }
 
-    public final void onBusEvent(RecentsVisibilityChangedEvent event) {
-        if (!event.visible) {
-            reset();
-        }
-    }
-
     public final void onBusEvent(DragStartEvent event) {
         // Ensure that the drag task is not animated
         addIgnoreTask(event.task);
@@ -1754,12 +1773,14 @@
         event.taskView.setLeftTopRightBottom(taskViewRect.left, taskViewRect.top,
                 taskViewRect.right, taskViewRect.bottom);
 
-        // Animate all the TaskViews back into position
+        // Animate the non-drag TaskViews back into position
         mLayoutAlgorithm.getStackTransform(event.task, getScroller().getStackScroll(),
                 mTmpTransform, null);
         event.getAnimationTrigger().increment();
         relayoutTaskViews(new AnimationProps(DEFAULT_SYNC_STACK_DURATION,
                 Interpolators.FAST_OUT_SLOW_IN));
+
+        // Animate the drag TaskView back into position
         updateTaskViewToTransform(event.taskView, mTmpTransform,
                 new AnimationProps(DEFAULT_SYNC_STACK_DURATION, Interpolators.FAST_OUT_SLOW_IN,
                         event.getAnimationTrigger().decrementOnAnimationEnd()));
@@ -1832,31 +1853,28 @@
         mAnimationHelper.startHideHistoryAnimation();
     }
 
-    public final void onBusEvent(TaskStackUpdatedEvent event) {
+    public final void onBusEvent(MultiWindowStateChangedEvent event) {
         if (!event.inMultiWindow) {
-            // Scroll the stack to the front after it has been updated
-            event.addPostAnimationCallback(new Runnable() {
+            // Scroll the stack to the front to see the undocked task
+            mStackScroller.animateScroll(mLayoutAlgorithm.mMaxScrollP, new Runnable() {
                 @Override
                 public void run() {
-                    mStackScroller.animateScroll(mLayoutAlgorithm.mMaxScrollP,
-                            null /* postScrollRunnable */);
+                    List<TaskView> taskViews = getTaskViews();
+                    int taskViewCount = taskViews.size();
+                    for (int i = 0; i < taskViewCount; i++) {
+                        TaskView tv = taskViews.get(i);
+                        tv.getHeaderView().rebindToTask(tv.getTask(), tv.mTouchExplorationEnabled,
+                                tv.mIsDisabledInSafeMode);
+                    }
                 }
             });
         }
-        // When the multi-window state changes, rebind all task view headers again to update their
-        // dockable state
-        event.addPostAnimationCallback(new Runnable() {
-            @Override
-            public void run() {
-                List<TaskView> taskViews = getTaskViews();
-                int taskViewCount = taskViews.size();
-                for (int i = 0; i < taskViewCount; i++) {
-                    TaskView tv = taskViews.get(i);
-                    tv.getHeaderView().rebindToTask(tv.getTask(), tv.mTouchExplorationEnabled,
-                            tv.mIsDisabledInSafeMode);
-                }
-            }
-        });
+    }
+
+    public final void onBusEvent(ConfigurationChangedEvent event) {
+        mLayoutAlgorithm.reloadOnConfigurationChange(getContext());
+        mLayoutAlgorithm.initialize(mStackBounds,
+                TaskStackLayoutAlgorithm.StackState.getStackStateForStack(mStack));
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
index 333df9d..ad46abd 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
@@ -115,13 +115,8 @@
      * @return whether the stack progress changed.
      */
     public boolean setStackScrollToInitialState() {
-        SystemServicesProxy ssp = Recents.getSystemServices();
         float prevStackScrollP = mStackScrollP;
-        if (ssp.hasDockedTask()) {
-            setStackScroll(mLayoutAlgorithm.mMaxScrollP);
-        } else {
-            setStackScroll(mLayoutAlgorithm.mInitialScrollP);
-        }
+        setStackScroll(mLayoutAlgorithm.mInitialScrollP);
         return Float.compare(prevStackScrollP, mStackScrollP) != 0;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
index 20933ee..52f8fc8 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
@@ -446,7 +446,7 @@
             }
 
             // Pick up the newly visible views, not including the deleting tasks
-            mSv.bindVisibleTaskViews(newStackScroll);
+            mSv.bindVisibleTaskViews(newStackScroll, true /* ignoreTaskOverrides */);
 
             // Get the final set of task transforms (with task removed)
             mSv.getLayoutTaskTransforms(newStackScroll, TaskStackLayoutAlgorithm.STATE_UNFOCUSED,
@@ -486,6 +486,7 @@
         mSv.getScroller().setStackScroll(mTargetStackScroll, null);
         // Update the focus state to the final focus state
         mSv.getStackAlgorithm().setFocusState(TaskStackLayoutAlgorithm.STATE_UNFOCUSED);
+        mSv.getStackAlgorithm().clearUnfocusedTaskOverrides();
         // Remove the task view from the stack
         EventBus.getDefault().send(new TaskViewDismissedEvent(tv.getTask(), tv));
         // Stop tracking this deletion animation
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
index 2e7c7f2..0bc7f89 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
@@ -77,6 +77,24 @@
 
     /**
      * The dim overlay is generally calculated from the task progress, but occasionally (like when
+     * launching) needs to be animated independently of the task progress.  This call is only used
+     * when animating the task into Recents, when the header dim is already applied
+     */
+    public static final Property<TaskView, Float> DIM_ALPHA_WITHOUT_HEADER =
+            new FloatProperty<TaskView>("dimAlphaWithoutHeader") {
+                @Override
+                public void setValue(TaskView tv, float dimAlpha) {
+                    tv.setDimAlphaWithoutHeader(dimAlpha);
+                }
+
+                @Override
+                public Float get(TaskView tv) {
+                    return tv.getDimAlpha();
+                }
+            };
+
+    /**
+     * The dim overlay is generally calculated from the task progress, but occasionally (like when
      * launching) needs to be animated independently of the task progress.
      */
     public static final Property<TaskView, Float> DIM_ALPHA =
@@ -175,11 +193,13 @@
     }
 
     /** Resets this TaskView for reuse. */
-    void reset() {
-        resetViewProperties();
+    void onResume(boolean isResumingFromVisible) {
         resetNoUserInteractionState();
         readSystemFlags();
-        setClipViewInStack(false);
+        if (!isResumingFromVisible) {
+            resetViewProperties();
+            setClipViewInStack(false);
+        }
         setCallbacks(null);
     }
 
@@ -388,21 +408,17 @@
      * Sets the current dim.
      */
     public void setDimAlpha(float dimAlpha) {
-        RecentsConfiguration config = Recents.getConfiguration();
-
-        int dimAlphaInt = (int) (dimAlpha * 255);
         mDimAlpha = dimAlpha;
-        if (config.useHardwareLayers) {
-            // Defer setting hardware layers if we have not yet measured, or there is no dim to draw
-            if (getMeasuredWidth() > 0 && getMeasuredHeight() > 0) {
-                mDimColorFilter.setColor(Color.argb(dimAlphaInt, 0, 0, 0));
-                mDimLayerPaint.setColorFilter(mDimColorFilter);
-                mContent.setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
-            }
-        } else {
-            mThumbnailView.setDimAlpha(dimAlpha);
-            mHeaderView.setDimAlpha(dimAlpha);
-        }
+        mThumbnailView.setDimAlpha(dimAlpha);
+        mHeaderView.setDimAlpha(dimAlpha);
+    }
+
+    /**
+     * Sets the current dim without updating the header's dim.
+     */
+    public void setDimAlphaWithoutHeader(float dimAlpha) {
+        mDimAlpha = dimAlpha;
+        mThumbnailView.setDimAlpha(dimAlpha);
     }
 
     /**
@@ -413,25 +429,6 @@
     }
 
     /**
-     * Animates the dim to the given value.
-     */
-    void animateDimAlpha(float toDimAlpha, AnimationProps animation) {
-        // Animate the dim into view as well
-        if (Float.compare(toDimAlpha, getDimAlpha()) != 0) {
-            Animator anim = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this,
-                    DIM_ALPHA, getDimAlpha(), toDimAlpha));
-            if (animation.getListener() != null) {
-                anim.addListener(animation.getListener());
-            }
-            anim.start();
-        } else {
-            if (animation.getListener() != null) {
-                animation.getListener().onAnimationEnd(null);
-            }
-        }
-    }
-
-    /**
      * Explicitly sets the focused state of this task.
      */
     public void setFocusedState(boolean isFocused, boolean requestViewFocus) {
@@ -517,18 +514,20 @@
     @Override
     public void onPrepareLaunchTargetForEnterAnimation() {
         // These values will be animated in when onStartLaunchTargetEnterAnimation() is called
-        setDimAlpha(0);
+        setDimAlphaWithoutHeader(0);
         mActionButtonView.setAlpha(0f);
     }
 
     @Override
-    public void onStartLaunchTargetEnterAnimation(int duration, boolean screenPinningEnabled,
-            ReferenceCountedTrigger postAnimationTrigger) {
-        // Un-dim the view before/while launching the target
-        AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT)
-                .setListener(postAnimationTrigger.decrementOnAnimationEnd());
+    public void onStartLaunchTargetEnterAnimation(TaskViewTransform transform, int duration,
+            boolean screenPinningEnabled, ReferenceCountedTrigger postAnimationTrigger) {
+        // Dim the view after the app window transitions down into recents
         postAnimationTrigger.increment();
-        animateDimAlpha(0, animation);
+        AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT);
+        Animator anim = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this,
+                DIM_ALPHA_WITHOUT_HEADER, getDimAlpha(), transform.dimAlpha));
+        anim.addListener(postAnimationTrigger.decrementOnAnimationEnd());
+        anim.start();
 
         if (screenPinningEnabled) {
             showActionButton(true /* fadeIn */, duration /* fadeInDuration */);
@@ -540,7 +539,9 @@
             ReferenceCountedTrigger postAnimationTrigger) {
         // Un-dim the view before/while launching the target
         AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT);
-        animateDimAlpha(0, animation);
+        Animator anim = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this,
+                DIM_ALPHA, getDimAlpha(), 0));
+        anim.start();
 
         postAnimationTrigger.increment();
         hideActionButton(true /* fadeOut */, duration,
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
index 05a8527..b2a7d90 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
@@ -347,9 +347,11 @@
      * Sets the dim alpha, only used when we are not using hardware layers.
      * (see RecentsConfiguration.useHardwareLayers)
      */
-    void setDimAlpha(float dimAlpha) {
-        mDimAlpha = dimAlpha;
-        updateBackgroundColor(mBackground.getColor(), dimAlpha);
+    public void setDimAlpha(float dimAlpha) {
+        if (Float.compare(mDimAlpha, dimAlpha) != 0) {
+            mDimAlpha = dimAlpha;
+            updateBackgroundColor(mBackground.getColor(), dimAlpha);
+        }
     }
 
     /**
@@ -377,7 +379,9 @@
         int primaryColor = disabledInSafeMode
                 ? mDisabledTaskBarBackgroundColor
                 : t.colorPrimary;
-        updateBackgroundColor(primaryColor, mDimAlpha);
+        if (mBackground.getColor() != primaryColor) {
+            updateBackgroundColor(primaryColor, mDimAlpha);
+        }
         if (t.icon != null) {
             mIconView.setImageDrawable(t.icon);
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index f63e97a..143f160 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -1090,6 +1090,8 @@
 
     @Override
     public void onGearDisplayed(ExpandableNotificationRow row) {
+        MetricsLogger.action(mContext, MetricsEvent.ACTION_REVEAL_GEAR,
+                row.getStatusBarNotification().getPackageName());
         mNotificationGearDisplayed = row;
     }
 
@@ -1889,7 +1891,7 @@
         }
     }
 
-    protected abstract boolean isPanelFullyCollapsed();
+    public abstract boolean isPanelFullyCollapsed();
 
     /**
      * Cancel this notification and tell the StatusBarManagerService / NotificationManagerService
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
index f446593..12a83fd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
@@ -105,7 +105,6 @@
     private boolean mClearable;
     private ExpansionLogger mLogger;
     private String mLoggingKey;
-    private boolean mWasReset;
     private NotificationSettingsIconRow mSettingsIconRow;
     private NotificationGuts mGuts;
     private NotificationData.Entry mEntry;
@@ -615,20 +614,16 @@
         mShowingPublicInitialized = false;
         mIsSystemExpanded = false;
         mOnKeyguard = false;
-        mPublicLayout.reset(mIsHeadsUp);
-        mPrivateLayout.reset(mIsHeadsUp);
+        mPublicLayout.reset();
+        mPrivateLayout.reset();
         resetHeight();
         resetTranslation();
         logExpansionEvent(false, wasExpanded);
     }
 
     public void resetHeight() {
-        if (mIsHeadsUp) {
-            resetActualHeight();
-        }
         mMaxExpandHeight = 0;
         mHeadsUpHeight = 0;
-        mWasReset = true;
         onHeightReset();
         requestLayout();
     }
@@ -684,7 +679,7 @@
         mTranslateableViews.remove(mGutsStub);
     }
 
-    public void setTranslationForOutline(float translationX) {
+    private void setTranslationForOutline(float translationX) {
         setOutlineRect(false, translationX, getTop(), getRight() + translationX, getBottom());
     }
 
@@ -704,6 +699,46 @@
         if (mTranslateAnim != null) {
             mTranslateAnim.cancel();
         }
+        mTranslateAnim = (AnimatorSet) getTranslateViewAnimator(leftTarget,
+                null /* updateListener */);
+        if (mTranslateAnim != null) {
+            mTranslateAnim.start();
+        }
+    }
+
+    @Override
+    public void setTranslation(float translationX) {
+        if (areGutsExposed()) {
+            // Don't translate if guts are showing.
+            return;
+        }
+        // Translate the group of views
+        for (int i = 0; i < mTranslateableViews.size(); i++) {
+            if (mTranslateableViews.get(i) != null) {
+                mTranslateableViews.get(i).setTranslationX(translationX);
+            }
+        }
+        setTranslationForOutline(translationX);
+        if (mSettingsIconRow != null) {
+            mSettingsIconRow.updateSettingsIcons(translationX, getMeasuredWidth());
+        }
+    }
+
+    @Override
+    public float getTranslation() {
+        if (mTranslateableViews != null && mTranslateableViews.size() > 0) {
+            // All of the views in the list should have same translation, just use first one.
+            return mTranslateableViews.get(0).getTranslationX();
+        }
+        return 0;
+    }
+
+    public Animator getTranslateViewAnimator(final float leftTarget,
+            AnimatorUpdateListener listener) {
+        if (areGutsExposed()) {
+            // No translation if guts are exposed.
+            return null;
+        }
         AnimatorSet set = new AnimatorSet();
         if (mTranslateableViews != null) {
             for (int i = 0; i < mTranslateableViews.size(); i++) {
@@ -715,8 +750,15 @@
                         @Override
                         public void onAnimationUpdate(ValueAnimator animation) {
                             setTranslationForOutline((float) animation.getAnimatedValue());
+                            if (mSettingsIconRow != null) {
+                                mSettingsIconRow.updateSettingsIcons(
+                                        (float) animation.getAnimatedValue(), getMeasuredWidth());
+                            }
                         }
                     });
+                    if (listener != null) {
+                        translateAnim.addUpdateListener(listener);
+                    }
                 }
                 translateAnim.addListener(new AnimatorListenerAdapter() {
                     @Override
@@ -730,8 +772,7 @@
                 set.play(translateAnim);
             }
         }
-        mTranslateAnim = set;
-        set.start();
+        return set;
     }
 
     public float getSpaceForGear() {
@@ -748,10 +789,6 @@
         return mSettingsIconRow;
     }
 
-    public ArrayList<View> getContentViews() {
-        return mTranslateableViews;
-    }
-
     public void inflateGuts() {
         if (mGuts == null) {
             mGutsStub.inflate();
@@ -922,18 +959,6 @@
         return mStatusBarNotification != null && mStatusBarNotification.isClearable();
     }
 
-    /**
-     * Apply an expansion state to the layout.
-     */
-    public void applyExpansionToLayout() {
-        boolean expand = isExpanded();
-        if (expand && mExpandable) {
-            setActualHeight(mMaxExpandHeight);
-        } else {
-            setActualHeight(getMinHeight());
-        }
-    }
-
     @Override
     public int getIntrinsicHeight() {
         if (isUserLocked()) {
@@ -1015,12 +1040,7 @@
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         super.onLayout(changed, left, top, right, bottom);
-        boolean updateExpandHeight = mMaxExpandHeight == 0 && !mWasReset;
         updateMaxHeights();
-        if (updateExpandHeight) {
-            applyExpansionToLayout();
-        }
-        mWasReset = false;
     }
 
     private void updateMaxHeights() {
@@ -1169,6 +1189,10 @@
         return mMaxExpandHeight;
     }
 
+    public boolean areGutsExposed() {
+        return (mGuts != null && mGuts.areGutsExposed());
+    }
+
     @Override
     public boolean isContentExpandable() {
         NotificationContentView showingLayout = getShowingLayout();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
index 1ff87f5..c0e4340 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
@@ -36,7 +36,6 @@
     protected OnHeightChangedListener mOnHeightChangedListener;
     private int mActualHeight;
     protected int mClipTopAmount;
-    private boolean mActualHeightInitialized;
     private boolean mDark;
     private ArrayList<View> mMatchParentViews = new ArrayList<View>();
     private int mClipTopOptimization;
@@ -99,28 +98,9 @@
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         super.onLayout(changed, left, top, right, bottom);
-        if (!mActualHeightInitialized && mActualHeight == 0) {
-            int initialHeight = getInitialHeight();
-            if (initialHeight != 0) {
-                setActualHeight(initialHeight);
-            }
-        }
         updateClipping();
     }
 
-    /**
-     * Resets the height of the view on the next layout pass
-     */
-    protected void resetActualHeight() {
-        mActualHeight = 0;
-        mActualHeightInitialized = false;
-        requestLayout();
-    }
-
-    protected int getInitialHeight() {
-        return getHeight();
-    }
-
     @Override
     public boolean pointInView(float localX, float localY, float slop) {
         float top = mClipTopAmount;
@@ -137,7 +117,6 @@
      * @param notifyListeners Whether the listener should be informed about the change.
      */
     public void setActualHeight(int actualHeight, boolean notifyListeners) {
-        mActualHeightInitialized = true;
         mActualHeight = actualHeight;
         updateClipping();
         if (notifyListeners) {
@@ -283,6 +262,20 @@
     public void setBelowSpeedBump(boolean below) {
     }
 
+    /**
+     * Sets the translation of the view.
+     */
+    public void setTranslation(float translation) {
+        setTranslationX(translation);
+    }
+
+    /**
+     * Gets the translation of the view.
+     */
+    public float getTranslation() {
+        return getTranslationX();
+    }
+
     public void onHeightReset() {
         if (mOnHeightChangedListener != null) {
             mOnHeightChangedListener.onReset(this);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
index 61105f8..b94c15b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
@@ -120,7 +120,7 @@
                 R.dimen.min_notification_layout_height);
         mNotificationContentMarginEnd = getResources().getDimensionPixelSize(
                 com.android.internal.R.dimen.notification_content_margin_end);
-        reset(true);
+        reset();
     }
 
     public void setHeights(int smallHeight, int headsUpMaxHeight, int maxHeight) {
@@ -255,7 +255,7 @@
         updateVisibility();
     }
 
-    public void reset(boolean resetActualHeight) {
+    public void reset() {
         if (mContractedChild != null) {
             mContractedChild.animate().cancel();
             removeView(mContractedChild);
@@ -271,10 +271,6 @@
         mContractedChild = null;
         mExpandedChild = null;
         mHeadsUpChild = null;
-        mVisibleType = VISIBLE_TYPE_CONTRACTED;
-        if (resetActualHeight) {
-            mContentHeight = mSmallHeight;
-        }
     }
 
     public View getContractedChild() {
@@ -484,12 +480,18 @@
     private void animateToVisibleType(int visibleType) {
         final TransformableView shownView = getTransformableViewForVisibleType(visibleType);
         final TransformableView hiddenView = getTransformableViewForVisibleType(mVisibleType);
+        if (shownView == hiddenView) {
+            shownView.setVisible(true);
+            return;
+        }
         shownView.transformFrom(hiddenView);
         getViewForVisibleType(visibleType).setVisibility(View.VISIBLE);
         hiddenView.transformTo(shownView, new Runnable() {
             @Override
             public void run() {
-                hiddenView.setVisible(false);
+                if (hiddenView != getTransformableViewForVisibleType(mVisibleType)) {
+                    hiddenView.setVisible(false);
+                }
             }
         });
     }
@@ -550,6 +552,9 @@
                     || mContainingNotification.isExpanded()
                     ? mContainingNotification.getMaxContentHeight()
                     : mContainingNotification.getShowingLayout().getMinHeight();
+            if (height == 0) {
+                height = mContentHeight;
+            }
             int expandedVisualType = getVisualTypeForHeight(height);
             int collapsedVisualType = getVisualTypeForHeight(
                     mContainingNotification.getMinExpandHeight());
@@ -557,7 +562,12 @@
                     ? expandedVisualType
                     : collapsedVisualType;
         }
-        int viewHeight = Math.min(mContentHeight, mContainingNotification.getIntrinsicHeight());
+        int intrinsicHeight = mContainingNotification.getIntrinsicHeight();
+        int viewHeight = mContentHeight;
+        if (intrinsicHeight != 0) {
+            // the intrinsicHeight might be 0 because it was just reset.
+            viewHeight = Math.min(mContentHeight, intrinsicHeight);
+        }
         return getVisualTypeForHeight(viewHeight);
     }
 
@@ -638,7 +648,6 @@
         mBeforeN = entry.targetSdk < Build.VERSION_CODES.N;
         updateSingleLineView();
         applyRemoteInput(entry);
-        selectLayout(false /* animate */, true /* force */);
         if (mContractedChild != null) {
             mContractedWrapper.notifyContentUpdated(entry.notification);
         }
@@ -648,6 +657,7 @@
         if (mHeadsUpChild != null) {
             mHeadsUpWrapper.notifyContentUpdated(entry.notification);
         }
+        selectLayout(false /* animate */, true /* force */);
         setDark(mDark, false /* animate */, 0 /* delay */);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
index 1c16bdc0..45a24a0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
@@ -130,7 +130,12 @@
             importanceSlider.setVisibility(View.VISIBLE);
             importanceButtons.setVisibility(View.GONE);
         } else {
-            bindToggles(importanceButtons, sbn, systemApp);
+            int userImportance = NotificationListenerService.Ranking.IMPORTANCE_UNSPECIFIED;
+            try {
+                userImportance =
+                        mINotificationManager.getImportance(sbn.getPackageName(), sbn.getUid());
+            } catch (RemoteException e) {}
+            bindToggles(importanceButtons, userImportance, systemApp);
             importanceButtons.setVisibility(View.VISIBLE);
             importanceSlider.setVisibility(View.GONE);
         }
@@ -144,7 +149,7 @@
             if (mBlock.isChecked()) {
                 progress = NotificationListenerService.Ranking.IMPORTANCE_NONE;
             } else if (mSilent.isChecked()) {
-                progress = NotificationListenerService.Ranking.IMPORTANCE_DEFAULT;
+                progress = NotificationListenerService.Ranking.IMPORTANCE_LOW;
             } else {
                 progress = NotificationListenerService.Ranking.IMPORTANCE_UNSPECIFIED;
             }
@@ -158,7 +163,7 @@
         }
     }
 
-    private void bindToggles(final View importanceButtons, final StatusBarNotification sbn,
+    private void bindToggles(final View importanceButtons, final int importance,
             final boolean systemApp) {
         mBlock = (RadioButton) importanceButtons.findViewById(R.id.block_importance);
         mSilent = (RadioButton) importanceButtons.findViewById(R.id.silent_importance);
@@ -169,7 +174,11 @@
         } else {
             mReset.setText(mContext.getString(R.string.do_not_silence_block));
         }
-        mReset.setChecked(true);
+        if (importance == NotificationListenerService.Ranking.IMPORTANCE_LOW) {
+            mSilent.setChecked(true);
+        } else {
+            mReset.setChecked(true);
+        }
     }
 
     private void bindSlider(final View importanceSlider, final StatusBarNotification sbn,
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
index 960e4cf..988d537 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
@@ -221,6 +221,7 @@
 
         apply();
         applyIconTint();
+        mNC.addSignalCallback(this);
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java b/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
index bf05d1d..66f945e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
@@ -76,26 +76,26 @@
         });
         mViewTransformationAnimation.setInterpolator(Interpolators.LINEAR);
         mViewTransformationAnimation.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
-        if (endRunnable != null) {
-            mViewTransformationAnimation.addListener(new AnimatorListenerAdapter() {
-                public boolean mCancelled;
+        mViewTransformationAnimation.addListener(new AnimatorListenerAdapter() {
+            public boolean mCancelled;
 
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    endRunnable.run();
-                    if (!mCancelled) {
-                        setVisible(false);
-                    } else {
-                        abortTransformations();
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                if (!mCancelled) {
+                    if (endRunnable != null) {
+                        endRunnable.run();
                     }
+                    setVisible(false);
+                } else {
+                    abortTransformations();
                 }
+            }
 
-                @Override
-                public void onAnimationCancel(Animator animation) {
-                    mCancelled = true;
-                }
-            });
-        }
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                mCancelled = true;
+            }
+        });
         mViewTransformationAnimation.start();
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index c152171..073a848 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -995,7 +995,6 @@
         SignalClusterView signalCluster =
                 (SignalClusterView) containerView.findViewById(R.id.signal_cluster);
         if (signalCluster != null) {
-            mNetworkController.addSignalCallback(signalCluster);
             signalCluster.setSecurityController(mSecurityController);
             signalCluster.setNetworkController(mNetworkController);
         }
@@ -3555,7 +3554,7 @@
     }
 
     @Override
-    protected boolean isPanelFullyCollapsed() {
+    public boolean isPanelFullyCollapsed() {
         return mNotificationPanel.isFullyCollapsed();
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
index 256cc6b..326ca2b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickStatusBarHeader.java
@@ -296,7 +296,6 @@
         mHost = host;
         host.setHeaderView(this);
         mHeaderQsPanel.setQSPanelAndHeader(mQsPanel, this);
-        mHeaderQsPanel.setMaxTiles(5);
         mHeaderQsPanel.setHost(host);
         setUserInfoController(host.getUserInfoController());
         setBatteryController(host.getBatteryController());
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/EthernetSignalController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/EthernetSignalController.java
index bd36462..159bd41 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/EthernetSignalController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/EthernetSignalController.java
@@ -19,6 +19,7 @@
 import android.net.NetworkCapabilities;
 
 import com.android.systemui.statusbar.policy.NetworkController.IconState;
+import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
 
 import java.util.BitSet;
 
@@ -46,12 +47,12 @@
     }
 
     @Override
-    public void notifyListeners() {
+    public void notifyListeners(SignalCallback callback) {
         boolean ethernetVisible = mCurrentState.connected;
         String contentDescription = getStringIfExists(getContentDescription());
 
         // TODO: wire up data transfer using WifiSignalPoller.
-        mCallbackHandler.setEthernetIndicators(new IconState(ethernetVisible, getCurrentIconId(),
+        callback.setEthernetIndicators(new IconState(ethernetVisible, getCurrentIconId(),
                 contentDescription));
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java
index 8fd4d9c..80dcfb6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/MobileSignalController.java
@@ -34,6 +34,7 @@
 import com.android.internal.telephony.cdma.EriInfo;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.policy.NetworkController.IconState;
+import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
 import com.android.systemui.statusbar.policy.NetworkControllerImpl.Config;
 import com.android.systemui.statusbar.policy.NetworkControllerImpl.SubscriptionDefaults;
 
@@ -198,7 +199,7 @@
     }
 
     @Override
-    public void notifyListeners() {
+    public void notifyListeners(SignalCallback callback) {
         MobileIconGroup icons = getIcons();
 
         String contentDescription = getStringIfExists(getContentDescription());
@@ -231,7 +232,7 @@
                 || mCurrentState.iconGroup == TelephonyIcons.ROAMING
                 || mCurrentState.iconGroup == TelephonyIcons.DATA_DISABLED;
         int typeIcon = showDataIcon ? icons.mDataType : 0;
-        mCallbackHandler.setMobileDataIndicators(statusIcon, qsIcon, typeIcon, qsTypeIcon,
+        callback.setMobileDataIndicators(statusIcon, qsIcon, typeIcon, qsTypeIcon,
                 activityIn, activityOut, dataContentDescription, description, icons.mIsWide,
                 mSubscriptionInfo.getSubscriptionId());
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
index 8193b52..40eb71d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
@@ -322,16 +322,16 @@
     }
 
     public void addSignalCallback(SignalCallback cb) {
-        mCallbackHandler.setListening(cb, true);
-        mCallbackHandler.setSubs(mCurrentSubscriptions);
-        mCallbackHandler.setIsAirplaneMode(new IconState(mAirplaneMode,
+        cb.setSubs(mCurrentSubscriptions);
+        cb.setIsAirplaneMode(new IconState(mAirplaneMode,
                 TelephonyIcons.FLIGHT_MODE_ICON, R.string.accessibility_airplane_mode, mContext));
-        mCallbackHandler.setNoSims(mHasNoSims);
-        mWifiSignalController.notifyListeners();
-        mEthernetSignalController.notifyListeners();
+        cb.setNoSims(mHasNoSims);
+        mWifiSignalController.notifyListeners(cb);
+        mEthernetSignalController.notifyListeners(cb);
         for (MobileSignalController mobileSignalController : mMobileSignalControllers.values()) {
-            mobileSignalController.notifyListeners();
+            mobileSignalController.notifyListeners(cb);
         }
+        mCallbackHandler.setListening(cb, true);
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/SignalController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/SignalController.java
index c954d08..4cfd1c7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/SignalController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/SignalController.java
@@ -18,6 +18,7 @@
 import android.content.Context;
 import android.text.format.DateFormat;
 import android.util.Log;
+import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
 
 import java.io.PrintWriter;
 import java.util.BitSet;
@@ -48,7 +49,7 @@
     // is aware of current state.
     protected final NetworkControllerImpl mNetworkController;
 
-    protected final CallbackHandler mCallbackHandler;
+    private final CallbackHandler mCallbackHandler;
 
     // Save the previous HISTORY_SIZE states for logging.
     private final State[] mHistory;
@@ -198,12 +199,16 @@
         }
     }
 
+    public final void notifyListeners() {
+        notifyListeners(mCallbackHandler);
+    }
+
     /**
      * Trigger callbacks based on current state.  The callbacks should be completely
      * based on current state, and only need to be called in the scenario where
      * mCurrentState != mLastState.
      */
-    public abstract void notifyListeners();
+    public abstract void notifyListeners(SignalCallback callback);
 
     /**
      * Generate a blank T.
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiSignalController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiSignalController.java
index cc98eb6..a6ed04f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiSignalController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiSignalController.java
@@ -28,6 +28,7 @@
 import com.android.internal.util.AsyncChannel;
 import com.android.settingslib.wifi.WifiStatusTracker;
 import com.android.systemui.statusbar.policy.NetworkController.IconState;
+import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
 
 import java.util.Objects;
 
@@ -72,7 +73,7 @@
     }
 
     @Override
-    public void notifyListeners() {
+    public void notifyListeners(SignalCallback callback) {
         // only show wifi in the cluster if connected or if wifi-only
         boolean wifiVisible = mCurrentState.enabled
                 && (mCurrentState.connected || !mHasMobileData);
@@ -83,7 +84,7 @@
         IconState statusIcon = new IconState(wifiVisible, getCurrentIconId(), contentDescription);
         IconState qsIcon = new IconState(mCurrentState.connected, getQsCurrentIconId(),
                 contentDescription);
-        mCallbackHandler.setWifiIndicators(mCurrentState.enabled, statusIcon, qsIcon,
+        callback.setWifiIndicators(mCurrentState.enabled, statusIcon, qsIcon,
                 ssidPresent && mCurrentState.activityIn, ssidPresent && mCurrentState.activityOut,
                 wifiDesc);
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
index e8dad92..aa444f5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
@@ -48,6 +48,8 @@
 import android.view.animation.Interpolator;
 import android.widget.OverScroller;
 
+import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.ExpandHelper;
 import com.android.systemui.Interpolators;
 import com.android.systemui.R;
@@ -363,6 +365,8 @@
     @Override
     public void onGearTouched(ExpandableNotificationRow row, int x, int y) {
         if (mLongPressListener != null) {
+            MetricsLogger.action(mContext, MetricsEvent.ACTION_TOUCH_GEAR,
+                    row.getStatusBarNotification().getPackageName());
             mLongPressListener.onLongPress(row, x, y);
         }
     }
@@ -710,6 +714,7 @@
 
         if (targetLeft == 0 && mCurrIconRow != null) {
             mCurrIconRow.resetState();
+            mCurrIconRow = null;
             if (mGearExposedView != null && mGearExposedView == mTranslatingParentView) {
                 mGearExposedView = null;
             }
@@ -3363,7 +3368,6 @@
 
         private static final long GEAR_SHOW_DELAY = 60;
 
-        private ArrayList<View> mTranslatingViews = new ArrayList<>();
         private CheckForDrag mCheckForDrag;
         private Handler mHandler;
         private int mMoveState = MOVE_STATE_UNDEFINED;
@@ -3380,6 +3384,7 @@
 
             // Reset check for drag gesture
             mCheckForDrag = null;
+            mCurrIconRow = null;
 
             // Slide back any notifications that might be showing a gear
             resetExposedGearView();
@@ -3388,9 +3393,6 @@
                 // Set the listener for the current row's gear
                 mCurrIconRow = ((ExpandableNotificationRow) currView).getSettingsRow();
                 mCurrIconRow.setGearListener(NotificationStackScrollLayout.this);
-
-                // And the translating children
-                mTranslatingViews = ((ExpandableNotificationRow) currView).getContentViews();
             }
             mMoveState = MOVE_STATE_UNDEFINED;
         }
@@ -3404,15 +3406,12 @@
             }
             mMoveState = newMoveState;
 
-            if (view instanceof ExpandableNotificationRow) {
-                ((ExpandableNotificationRow) view).setTranslationForOutline(translation);
-                if (!isPinnedHeadsUp(view)) {
-                    // Only show the gear if we're not a heads up view.
-                    checkForDrag();
-                    if (mCurrIconRow != null) {
-                        mCurrIconRow.updateSettingsIcons(translation, getSize(view));
-                    }
-                }
+            final boolean gutsExposed = (view instanceof ExpandableNotificationRow)
+                    && ((ExpandableNotificationRow) view).areGutsExposed();
+
+            if (!isPinnedHeadsUp(view) && !gutsExposed) {
+                // Only show the gear if we're not a heads up view and guts aren't exposed.
+                checkForDrag();
             }
         }
 
@@ -3435,12 +3434,12 @@
                     (!fromLeft && absTrans >= snapBackThreshold * 0.4f
                             && absTrans <= notiThreshold);
 
-            if (pastGear && !isPinnedHeadsUp(animView)) {
+            if (pastGear && !isPinnedHeadsUp(animView)
+                    && (animView instanceof ExpandableNotificationRow)) {
                 // bouncity
                 final float target = fromLeft ? snapBackThreshold : -snapBackThreshold;
                 mGearExposedView = mTranslatingParentView;
-                if (mGearDisplayedListener != null
-                        && (animView instanceof ExpandableNotificationRow)) {
+                if (mGearDisplayedListener != null) {
                     mGearDisplayedListener.onGearDisplayed((ExpandableNotificationRow) animView);
                 }
                 super.snapChild(animView, target, velocity);
@@ -3450,38 +3449,16 @@
         }
 
         @Override
-        public void onTranslationUpdate(View animView, float value, boolean canBeDismissed) {
-            if (mDismissAllInProgress) {
-                // When dismissing all, we translate the entire view instead.
-                super.onTranslationUpdate(animView, value, canBeDismissed);
-                return;
-            }
-            if (animView instanceof ExpandableNotificationRow) {
-                ((ExpandableNotificationRow) animView).setTranslationForOutline(value);
-            }
-            if (mCurrIconRow != null) {
-                mCurrIconRow.updateSettingsIcons(value, getSize(animView));
-            }
-        }
-
-        @Override
         public Animator getViewTranslationAnimator(View v, float target,
                 AnimatorUpdateListener listener) {
             if (mDismissAllInProgress) {
                 // When dismissing all, we translate the entire view instead.
                 return super.getViewTranslationAnimator(v, target, listener);
+            } else if (v instanceof ExpandableNotificationRow) {
+                return ((ExpandableNotificationRow) v).getTranslateViewAnimator(target, listener);
+            } else {
+                return super.getViewTranslationAnimator(v, target, listener);
             }
-            ArrayList<Animator> animators = new ArrayList<Animator>();
-            for (int i = 0; i < mTranslatingViews.size(); i++) {
-                ObjectAnimator anim = createTranslationAnimation(mTranslatingViews.get(i), target);
-                animators.add(anim);
-                if (i == 0 && listener != null) {
-                    anim.addUpdateListener(listener);
-                }
-            }
-            AnimatorSet set = new AnimatorSet();
-            set.playTogether(animators);
-            return set;
         }
 
         @Override
@@ -3489,13 +3466,8 @@
             if (mDismissAllInProgress) {
                 // When dismissing all, we translate the entire view instead.
                 super.setTranslation(v, translate);
-                return;
-            }
-            // Translate the group of views
-            for (int i = 0; i < mTranslatingViews.size(); i++) {
-                if (mTranslatingViews.get(i) != null) {
-                    super.setTranslation(mTranslatingViews.get(i), translate);
-                }
+            } else {
+                ((ExpandableView) v).setTranslation(translate);
             }
         }
 
@@ -3504,15 +3476,11 @@
             if (mDismissAllInProgress) {
                 // When dismissing all, we translate the entire view instead.
                 return super.getTranslation(v);
+            } else {
+                return ((ExpandableView) v).getTranslation();
             }
-            // All of the views in the list should have same translation, just use first one.
-            if (mTranslatingViews.size() > 0) {
-                return super.getTranslation(mTranslatingViews.get(0));
-            }
-            return 0;
         }
 
-
         /**
          * Returns the horizontal space in pixels required to display the gear behind a
          * notification.
@@ -3567,26 +3535,11 @@
             final View prevGearExposedView = mGearExposedView;
             mGearExposedView = null;
 
-            AnimatorListenerAdapter listener = new AnimatorListenerAdapter() {
-                public void onAnimationEnd(Animator animator) {
-                    if (prevGearExposedView instanceof ExpandableNotificationRow) {
-                        ((ExpandableNotificationRow) prevGearExposedView).getSettingsRow()
-                                .resetState();
-                    }
-                }
-            };
-            AnimatorUpdateListener updateListener = new AnimatorUpdateListener() {
-                @Override
-                public void onAnimationUpdate(ValueAnimator animation) {
-                    if (prevGearExposedView instanceof ExpandableNotificationRow) {
-                        ((ExpandableNotificationRow) prevGearExposedView)
-                                .setTranslationForOutline((float) animation.getAnimatedValue());
-                    }
-                }
-            };
-            Animator set = getViewTranslationAnimator(prevGearExposedView, 0, updateListener);
-            set.addListener(listener);
-            set.start();
+            Animator anim = getViewTranslationAnimator(prevGearExposedView,
+                    0 /* leftTarget */, null /* updateListener */);
+            if (anim != null) {
+                anim.start();
+            }
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
index 0ed6ef8..2524e1a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/tv/TvStatusBar.java
@@ -125,7 +125,7 @@
     }
 
     @Override
-    protected boolean isPanelFullyCollapsed() {
+    public boolean isPanelFullyCollapsed() {
         return false;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java b/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java
index 61135bd..26e1d46 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java
@@ -20,6 +20,8 @@
 import android.provider.Settings;
 
 import com.android.internal.logging.MetricsProto.MetricsEvent;
+import com.android.systemui.Prefs;
+import com.android.systemui.Prefs.Key;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.statusbar.policy.NightModeController;
@@ -46,6 +48,12 @@
     }
 
     @Override
+    public boolean isAvailable() {
+        return Prefs.getBoolean(mContext, Key.QS_NIGHT_ADDED, false)
+                && TunerService.isTunerEnabled(mContext);
+    }
+
+    @Override
     public void setListening(boolean listening) {
         if (listening) {
             mNightModeController.addListener(this);
diff --git a/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java b/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
index fd753e9..285dfd1 100644
--- a/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
@@ -50,6 +50,7 @@
     private TextView mPlayPauseDescriptionTextView;
     private View mCloseButtonView;
     private View mCloseDescriptionView;
+    private boolean mPipMovedToFullscreen;
 
     private MediaController.Callback mMediaControllerCallback = new MediaController.Callback() {
         @Override
@@ -69,6 +70,7 @@
             @Override
             public void onClick(View v) {
                 mPipManager.movePipToFullscreen();
+                mPipMovedToFullscreen = true;
                 finish();
             }
         });
@@ -167,7 +169,9 @@
     }
 
     private void restorePipAndFinish() {
-        mPipManager.resizePinnedStack(PipManager.STATE_PIP_OVERLAY);
+        if (!mPipMovedToFullscreen) {
+            mPipManager.resizePinnedStack(PipManager.STATE_PIP_OVERLAY);
+        }
         finish();
     }
 
@@ -221,7 +225,7 @@
     @Override
     public void finish() {
         super.finish();
-        if (mPipManager.isRecentsShown()) {
+        if (mPipManager.isRecentsShown() && !mPipMovedToFullscreen) {
             SystemUI[] services = ((SystemUIApplication) getApplication()).getServices();
             for (int i = services.length - 1; i >= 0; i--) {
                 if (services[i] instanceof Recents) {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerBaseTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerBaseTest.java
index ebd5384..60d33fa 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerBaseTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/policy/NetworkControllerBaseTest.java
@@ -32,6 +32,7 @@
 import com.android.settingslib.net.DataUsageController;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.policy.NetworkController.IconState;
+import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
 import com.android.systemui.statusbar.policy.NetworkControllerImpl.Config;
 import com.android.systemui.statusbar.policy.NetworkControllerImpl.SubscriptionDefaults;
 import org.mockito.ArgumentCaptor;
@@ -100,7 +101,7 @@
 
         // Trigger blank callbacks to always get the current state (some tests don't trigger
         // changes from default state).
-        mNetworkController.addSignalCallback(null);
+        mNetworkController.addSignalCallback(mock(SignalCallback.class));
         mNetworkController.addEmergencyListener(null);
     }
 
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 5d693c9..f3140d2 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -1798,38 +1798,56 @@
 
     // ACTION: User tapped notification action to cancel a bug report
     // CATEGORY: NOTIFICATION
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_NOTIFICATION_ACTION_CANCEL = 296;
 
     // ACTION: User tapped notification action to launch bug report details screen
     // CATEGORY: NOTIFICATION
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_NOTIFICATION_ACTION_DETAILS = 297;
 
     // ACTION: User tapped notification action to take adition screenshot on bug report
     // CATEGORY: NOTIFICATION
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_NOTIFICATION_ACTION_SCREENSHOT = 298;
 
     // ACTION: User tapped notification to share bug report
     // CATEGORY: NOTIFICATION
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_NOTIFICATION_ACTION_SHARE = 299;
 
     // ACTION: User changed bug report name using the details screen
     // CATEGORY: GLOBAL_SYSTEM_UI
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_DETAILS_NAME_CHANGED = 300;
 
     // ACTION: User changed bug report title using the details screen
     // CATEGORY: GLOBAL_SYSTEM_UI
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_DETAILS_TITLE_CHANGED = 301;
 
     // ACTION: User changed bug report description using the details screen
     // CATEGORY: GLOBAL_SYSTEM_UI
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_DETAILS_DESCRIPTION_CHANGED = 302;
 
     // ACTION: User tapped Save in the bug report details screen.
     // CATEGORY: GLOBAL_SYSTEM_UI
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_DETAILS_SAVED = 303;
 
     // ACTION: User tapped Cancel in the bug report details screen.
     // CATEGORY: GLOBAL_SYSTEM_UI
+    // OS: N
+    // GMS: 7.8.99
     ACTION_BUGREPORT_DETAILS_CANCELED = 304;
 
     // Tuner: Open/close calibrate dialog.
@@ -1927,6 +1945,14 @@
     // access before; action pass package name of calling package.
     ACTION_SCOPED_DIRECTORY_ACCESS_ALREADY_GRANTED_BY_PACKAGE = 331;
 
+    // Logged when the user slides a notification and
+    // reveals the gear beneath it.
+    ACTION_REVEAL_GEAR = 332;
+
+    // Logged when the user taps on the gear beneath
+    // a notification.
+    ACTION_TOUCH_GEAR = 333;
+
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS
 
diff --git a/rs/java/android/renderscript/Allocation.java b/rs/java/android/renderscript/Allocation.java
index 8c78a3a..fc92966 100644
--- a/rs/java/android/renderscript/Allocation.java
+++ b/rs/java/android/renderscript/Allocation.java
@@ -115,7 +115,7 @@
 
         if (cmp == Short.TYPE) {
             if (checkType) {
-                validateIsInt16();
+                validateIsInt16OrFloat16();
                 return mType.mElement.mType;
             }
             return Element.DataType.SIGNED_16;
@@ -402,9 +402,10 @@
             "32 bit integer source does not match allocation type " + mType.mElement.mType);
     }
 
-    private void validateIsInt16() {
+    private void validateIsInt16OrFloat16() {
         if ((mType.mElement.mType == Element.DataType.SIGNED_16) ||
-            (mType.mElement.mType == Element.DataType.UNSIGNED_16)) {
+            (mType.mElement.mType == Element.DataType.UNSIGNED_16) ||
+            (mType.mElement.mType == Element.DataType.FLOAT_16)) {
             return;
         }
         throw new RSIllegalArgumentException(
@@ -751,7 +752,7 @@
      * @param d the source data array
      */
     public void copyFrom(short[] d) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copyFromUnchecked(d, Element.DataType.SIGNED_16, d.length);
     }
 
@@ -1060,7 +1061,7 @@
      * @param d the source data array
      */
     public void copy1DRangeFrom(int off, int count, short[] d) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copy1DRangeFromUnchecked(off, count, d, Element.DataType.SIGNED_16, d.length);
     }
 
@@ -1204,7 +1205,7 @@
      * @param data to be placed into the Allocation
      */
     public void copy2DRangeFrom(int xoff, int yoff, int w, int h, short[] data) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copy2DRangeFromUnchecked(xoff, yoff, w, h, data,
                                  Element.DataType.SIGNED_16, data.length);
     }
@@ -1473,7 +1474,7 @@
      * @param d The array to be set from the Allocation.
      */
     public void copyTo(short[] d) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copyTo(d, Element.DataType.SIGNED_16, d.length);
     }
 
@@ -1693,7 +1694,7 @@
      * @param d the source data array
      */
     public void copy1DRangeTo(int off, int count, short[] d) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copy1DRangeToUnchecked(off, count, d, Element.DataType.SIGNED_16, d.length);
     }
 
@@ -1794,7 +1795,7 @@
      * @param data Dest Array to be copied into
      */
     public void copy2DRangeTo(int xoff, int yoff, int w, int h, short[] data) {
-        validateIsInt16();
+        validateIsInt16OrFloat16();
         copy2DRangeToUnchecked(xoff, yoff, w, h, data,
                                Element.DataType.SIGNED_16, data.length);
     }
diff --git a/rs/jni/android_renderscript_RenderScript.cpp b/rs/jni/android_renderscript_RenderScript.cpp
index 3bef19e..4877a378 100644
--- a/rs/jni/android_renderscript_RenderScript.cpp
+++ b/rs/jni/android_renderscript_RenderScript.cpp
@@ -151,6 +151,7 @@
         return;                                                                         \
     case RS_TYPE_SIGNED_16:                                                             \
     case RS_TYPE_UNSIGNED_16:                                                           \
+    case RS_TYPE_FLOAT_16:                                                              \
         len = _env->GetArrayLength((jshortArray)data);                                  \
         ptr = _env->GetShortArrayElements((jshortArray)data, flag);                     \
         if (ptr == nullptr) {                                                           \
@@ -1061,7 +1062,7 @@
               type, kind, norm, size);
     }
     return (jlong)(uintptr_t)rsElementCreate((RsContext)con, (RsDataType)type, (RsDataKind)kind,
-                                             norm, size);
+                                             norm, size, true);
 }
 
 static jlong
@@ -1100,7 +1101,7 @@
     jlong id = (jlong)(uintptr_t)rsElementCreate2((RsContext)con,
                                      (const RsElement *)ids, fieldCount,
                                      nameArray, fieldCount * sizeof(size_t),  sizeArray,
-                                     (const uint32_t *)arraySizes, fieldCount);
+                                     (const uint32_t *)arraySizes, fieldCount, true);
 
     free(ids);
     free(arraySizes);
@@ -1174,7 +1175,7 @@
     }
 
     return (jlong)(uintptr_t)rsTypeCreate((RsContext)con, (RsElement)eid, dimx, dimy, dimz, mips,
-                                          faces, yuv);
+                                          faces, yuv, true);
 }
 
 static void
@@ -1210,7 +1211,7 @@
     }
     return (jlong)(uintptr_t) rsAllocationCreateTyped((RsContext)con, (RsType)type,
                                                       (RsAllocationMipmapControl)mips,
-                                                      (uint32_t)usage, (uintptr_t)pointer);
+                                                      (uint32_t)usage, (uintptr_t)pointer, true);
 }
 
 static void
@@ -1315,7 +1316,7 @@
     const void* ptr = bitmap.getPixels();
     jlong id = (jlong)(uintptr_t)rsAllocationCreateFromBitmap((RsContext)con,
                                                   (RsType)type, (RsAllocationMipmapControl)mip,
-                                                  ptr, bitmap.getSize(), usage);
+                                                  ptr, bitmap.getSize(), usage, true);
     bitmap.unlockPixels();
     return id;
 }
@@ -1331,7 +1332,7 @@
     const void* ptr = bitmap.getPixels();
     jlong id = (jlong)(uintptr_t)rsAllocationCreateTyped((RsContext)con,
                                             (RsType)type, (RsAllocationMipmapControl)mip,
-                                            (uint32_t)usage, (uintptr_t)ptr);
+                                            (uint32_t)usage, (uintptr_t)ptr, true);
     bitmap.unlockPixels();
     return id;
 }
@@ -1347,7 +1348,7 @@
     const void* ptr = bitmap.getPixels();
     jlong id = (jlong)(uintptr_t)rsAllocationCubeCreateFromBitmap((RsContext)con,
                                                       (RsType)type, (RsAllocationMipmapControl)mip,
-                                                      ptr, bitmap.getSize(), usage);
+                                                      ptr, bitmap.getSize(), usage, true);
     bitmap.unlockPixels();
     return id;
 }
diff --git a/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java b/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
index acd57b17..9e6c21c 100644
--- a/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
+++ b/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
@@ -655,10 +655,9 @@
             userState.mUiAutomationServiceOwner = owner;
             userState.mUiAutomationServiceClient = serviceClient;
             userState.mUiAutomationFlags = flags;
-            userState.mIsAccessibilityEnabled = true;
             userState.mInstalledServices.add(accessibilityServiceInfo);
             if ((flags & UiAutomation.FLAG_DONT_SUPPRESS_ACCESSIBILITY_SERVICES) == 0) {
-                // Set the temporary state.
+                // Set the temporary state, and use it instead of settings
                 userState.mIsTouchExplorationEnabled = false;
                 userState.mIsEnhancedWebAccessibilityEnabled = false;
                 userState.mIsDisplayMagnificationEnabled = false;
@@ -709,7 +708,6 @@
                 return;
             }
 
-            userState.mIsAccessibilityEnabled = true;
             userState.mIsTouchExplorationEnabled = touchExplorationEnabled;
             userState.mIsEnhancedWebAccessibilityEnabled = false;
             userState.mIsDisplayMagnificationEnabled = false;
@@ -1245,17 +1243,17 @@
         }
     }
 
-    private void manageServicesLocked(UserState userState) {
+    private void updateServicesLocked(UserState userState) {
         Map<ComponentName, Service> componentNameToServiceMap =
                 userState.mComponentNameToServiceMap;
         boolean isUnlocked = mContext.getSystemService(UserManager.class)
                 .isUserUnlocked(userState.mUserId);
-        boolean isEnabled = userState.mIsAccessibilityEnabled;
 
         for (int i = 0, count = userState.mInstalledServices.size(); i < count; i++) {
             AccessibilityServiceInfo installedService = userState.mInstalledServices.get(i);
             ComponentName componentName = ComponentName.unflattenFromString(
                     installedService.getId());
+
             Service service = componentNameToServiceMap.get(componentName);
 
             // Ignore non-encryption-aware services until user is unlocked
@@ -1264,45 +1262,25 @@
                 continue;
             }
 
-            if (isEnabled) {
-                // Wait for the binding if it is in process.
-                if (userState.mBindingServices.contains(componentName)) {
+            // Wait for the binding if it is in process.
+            if (userState.mBindingServices.contains(componentName)) {
+                continue;
+            }
+            if (userState.mEnabledServices.contains(componentName)) {
+                if (service == null) {
+                    service = new Service(userState.mUserId, componentName, installedService);
+                } else if (userState.mBoundServices.contains(service)) {
                     continue;
                 }
-                if (userState.mEnabledServices.contains(componentName)) {
-                    if (service == null) {
-                        service = new Service(userState.mUserId, componentName, installedService);
-                    } else if (userState.mBoundServices.contains(service)) {
-                        continue;
-                    }
-                    service.bindLocked();
-                } else {
-                    if (service != null) {
-                        service.unbindLocked();
-                    }
-                }
+                service.bindLocked();
             } else {
                 if (service != null) {
                     service.unbindLocked();
-                } else {
-                    userState.mBindingServices.remove(componentName);
                 }
             }
         }
 
-        // No enabled installed services => disable accessibility to avoid
-        // sending accessibility events with no recipient across processes.
-        if (isEnabled && isUnlocked && userState.mBoundServices.isEmpty()
-                && userState.mBindingServices.isEmpty()) {
-            userState.mIsAccessibilityEnabled = false;
-            final long identity = Binder.clearCallingIdentity();
-            try {
-                Settings.Secure.putIntForUser(mContext.getContentResolver(),
-                        Settings.Secure.ACCESSIBILITY_ENABLED, 0, userState.mUserId);
-            } finally {
-                Binder.restoreCallingIdentity(identity);
-            }
-        }
+        updateAccessibilityEnabledSetting(userState);
     }
 
     private void scheduleUpdateClientsIfNeededLocked(UserState userState) {
@@ -1329,7 +1307,8 @@
                 flags |= AccessibilityInputFilter.FLAG_FEATURE_SCREEN_MAGNIFIER;
             }
             // Touch exploration without accessibility makes no sense.
-            if (userState.mIsAccessibilityEnabled && userState.mIsTouchExplorationEnabled) {
+            if (userState.isHandlingAccessibilityEvents()
+                    && userState.mIsTouchExplorationEnabled) {
                 flags |= AccessibilityInputFilter.FLAG_FEATURE_TOUCH_EXPLORATION;
             }
             if (userState.mIsFilterKeyEventsEnabled) {
@@ -1468,25 +1447,17 @@
     }
 
     private void updateWindowsForAccessibilityCallbackLocked(UserState userState) {
-        if (userState.mIsAccessibilityEnabled) {
-            // We observe windows for accessibility only if there is at least
-            // one bound service that can retrieve window content that specified
-            // it is interested in accessing such windows. For services that are
-            // binding we do an update pass after each bind event, so we run this
-            // code and register the callback if needed.
-            boolean boundServiceCanRetrieveInteractiveWindows = false;
+        // We observe windows for accessibility only if there is at least
+        // one bound service that can retrieve window content that specified
+        // it is interested in accessing such windows. For services that are
+        // binding we do an update pass after each bind event, so we run this
+        // code and register the callback if needed.
 
-            List<Service> boundServices = userState.mBoundServices;
-            final int boundServiceCount = boundServices.size();
-            for (int i = 0; i < boundServiceCount; i++) {
-                Service boundService = boundServices.get(i);
-                if (boundService.canRetrieveInteractiveWindowsLocked()) {
-                    boundServiceCanRetrieveInteractiveWindows = true;
-                    break;
-                }
-            }
-
-            if (boundServiceCanRetrieveInteractiveWindows) {
+        List<Service> boundServices = userState.mBoundServices;
+        final int boundServiceCount = boundServices.size();
+        for (int i = 0; i < boundServiceCount; i++) {
+            Service boundService = boundServices.get(i);
+            if (boundService.canRetrieveInteractiveWindowsLocked()) {
                 if (mWindowsForAccessibilityCallback == null) {
                     mWindowsForAccessibilityCallback = new WindowsForAccessibilityCallback();
                     mWindowManagerService.setWindowsForAccessibilityCallback(
@@ -1554,37 +1525,30 @@
         userState.mIsFilterKeyEventsEnabled = false;
     }
 
-    private void updateServicesLocked(UserState userState) {
-        if (userState.mIsAccessibilityEnabled) {
-            manageServicesLocked(userState);
-        } else {
-            unbindAllServicesLocked(userState);
-        }
-    }
-
     private boolean readConfigurationForUserStateLocked(UserState userState) {
-        boolean somthingChanged = readAccessibilityEnabledSettingLocked(userState);
-        somthingChanged |= readInstalledAccessibilityServiceLocked(userState);
-        somthingChanged |= readEnabledAccessibilityServicesLocked(userState);
-        somthingChanged |= readTouchExplorationGrantedAccessibilityServicesLocked(userState);
-        somthingChanged |= readTouchExplorationEnabledSettingLocked(userState);
-        somthingChanged |= readHighTextContrastEnabledSettingLocked(userState);
-        somthingChanged |= readEnhancedWebAccessibilityEnabledChangedLocked(userState);
-        somthingChanged |= readDisplayMagnificationEnabledSettingLocked(userState);
-        somthingChanged |= readAutoclickEnabledSettingLocked(userState);
-        somthingChanged |= readDisplayColorAdjustmentSettingsLocked(userState);
-        return somthingChanged;
+        boolean somethingChanged = readInstalledAccessibilityServiceLocked(userState);
+        somethingChanged |= readEnabledAccessibilityServicesLocked(userState);
+        somethingChanged |= readTouchExplorationGrantedAccessibilityServicesLocked(userState);
+        somethingChanged |= readTouchExplorationEnabledSettingLocked(userState);
+        somethingChanged |= readHighTextContrastEnabledSettingLocked(userState);
+        somethingChanged |= readEnhancedWebAccessibilityEnabledChangedLocked(userState);
+        somethingChanged |= readDisplayMagnificationEnabledSettingLocked(userState);
+        somethingChanged |= readAutoclickEnabledSettingLocked(userState);
+        somethingChanged |= readDisplayColorAdjustmentSettingsLocked(userState);
+
+        return somethingChanged;
     }
 
-    private boolean readAccessibilityEnabledSettingLocked(UserState userState) {
-        final boolean accessibilityEnabled = Settings.Secure.getIntForUser(
-               mContext.getContentResolver(),
-               Settings.Secure.ACCESSIBILITY_ENABLED, 0, userState.mUserId) == 1;
-        if (accessibilityEnabled != userState.mIsAccessibilityEnabled) {
-            userState.mIsAccessibilityEnabled = accessibilityEnabled;
-            return true;
+    private void updateAccessibilityEnabledSetting(UserState userState) {
+        final long identity = Binder.clearCallingIdentity();
+        try {
+            Settings.Secure.putIntForUser(mContext.getContentResolver(),
+                    Settings.Secure.ACCESSIBILITY_ENABLED,
+                    userState.isHandlingAccessibilityEvents() ? 0 : 1,
+                    userState.mUserId);
+        } finally {
+            Binder.restoreCallingIdentity(identity);
         }
-        return false;
     }
 
     private boolean readTouchExplorationEnabledSettingLocked(UserState userState) {
@@ -1809,7 +1773,7 @@
             // Check whether any Accessibility Services are still enabled and, if not, remove flag
             // requesting no soft keyboard
             final boolean accessibilityRequestingNoIme = userState.mSoftKeyboardShowMode == 1;
-            if (accessibilityRequestingNoIme && !userState.mIsAccessibilityEnabled) {
+            if (accessibilityRequestingNoIme && !userState.isHandlingAccessibilityEvents()) {
                 // No active Accessibility Services can be requesting the soft keyboard to be hidden
                 Settings.Secure.putIntForUser(mContext.getContentResolver(),
                         Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE,
@@ -1853,7 +1817,6 @@
                 UserState userState = mUserStates.valueAt(i);
                 pw.append("User state[attributes:{id=" + userState.mUserId);
                 pw.append(", currentUser=" + (userState.mUserId == mCurrentUserId));
-                pw.append(", accessibilityEnabled=" + userState.mIsAccessibilityEnabled);
                 pw.append(", touchExplorationEnabled=" + userState.mIsTouchExplorationEnabled);
                 pw.append(", displayMagnificationEnabled="
                         + userState.mIsDisplayMagnificationEnabled);
@@ -2003,7 +1966,7 @@
         private void announceNewUserIfNeeded() {
             synchronized (mLock) {
                 UserState userState = getCurrentUserStateLocked();
-                if (userState.mIsAccessibilityEnabled) {
+                if (userState.isHandlingAccessibilityEvents()) {
                     UserManager userManager = (UserManager) mContext.getSystemService(
                             Context.USER_SERVICE);
                     String message = mContext.getString(R.string.user_switched,
@@ -4061,7 +4024,6 @@
 
         public int mSoftKeyboardShowMode = 0;
 
-        public boolean mIsAccessibilityEnabled;
         public boolean mIsTouchExplorationEnabled;
         public boolean mIsTextHighContrastEnabled;
         public boolean mIsEnhancedWebAccessibilityEnabled;
@@ -4096,11 +4058,11 @@
 
         public int getClientState() {
             int clientState = 0;
-            if (mIsAccessibilityEnabled) {
+            if (isHandlingAccessibilityEvents()) {
                 clientState |= AccessibilityManager.STATE_FLAG_ACCESSIBILITY_ENABLED;
             }
             // Touch exploration relies on enabled accessibility.
-            if (mIsAccessibilityEnabled && mIsTouchExplorationEnabled) {
+            if (isHandlingAccessibilityEvents() && mIsTouchExplorationEnabled) {
                 clientState |= AccessibilityManager.STATE_FLAG_TOUCH_EXPLORATION_ENABLED;
             }
             if (mIsTextHighContrastEnabled) {
@@ -4109,6 +4071,10 @@
             return clientState;
         }
 
+        public boolean isHandlingAccessibilityEvents() {
+            return !mBoundServices.isEmpty() || !mBoundServices.isEmpty();
+        }
+
         public void onSwitchToAnotherUser() {
             // Clear UI test automation state.
             if (mUiAutomationService != null) {
@@ -4128,7 +4094,6 @@
             // Clear state persisted in settings.
             mEnabledServices.clear();
             mTouchExplorationGrantedServices.clear();
-            mIsAccessibilityEnabled = false;
             mIsTouchExplorationEnabled = false;
             mIsEnhancedWebAccessibilityEnabled = false;
             mIsDisplayMagnificationEnabled = false;
@@ -4155,9 +4120,6 @@
 
     private final class AccessibilityContentObserver extends ContentObserver {
 
-        private final Uri mAccessibilityEnabledUri = Settings.Secure.getUriFor(
-                Settings.Secure.ACCESSIBILITY_ENABLED);
-
         private final Uri mTouchExplorationEnabledUri = Settings.Secure.getUriFor(
                 Settings.Secure.TOUCH_EXPLORATION_ENABLED);
 
@@ -4199,8 +4161,6 @@
         }
 
         public void register(ContentResolver contentResolver) {
-            contentResolver.registerContentObserver(mAccessibilityEnabledUri,
-                    false, this, UserHandle.USER_ALL);
             contentResolver.registerContentObserver(mTouchExplorationEnabledUri,
                     false, this, UserHandle.USER_ALL);
             contentResolver.registerContentObserver(mDisplayMagnificationEnabledUri,
@@ -4240,11 +4200,7 @@
                     return;
                 }
 
-                if (mAccessibilityEnabledUri.equals(uri)) {
-                    if (readAccessibilityEnabledSettingLocked(userState)) {
-                        onUserStateChangedLocked(userState);
-                    }
-                } else if (mTouchExplorationEnabledUri.equals(uri)) {
+                if (mTouchExplorationEnabledUri.equals(uri)) {
                     if (readTouchExplorationEnabledSettingLocked(userState)) {
                         onUserStateChangedLocked(userState);
                     }
diff --git a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
index 8603981..3659a40 100644
--- a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
+++ b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
@@ -2496,7 +2496,7 @@
 
             return mPackageManager.queryIntentReceivers(intent,
                     intent.resolveTypeIfNeeded(mContext.getContentResolver()),
-                    flags, userId);
+                    flags, userId).getList();
         } catch (RemoteException re) {
             return Collections.emptyList();
         } finally {
diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java
index f1a9c44..cd4d107d 100644
--- a/services/backup/java/com/android/server/backup/BackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/BackupManagerService.java
@@ -3495,9 +3495,8 @@
             // The agent was running with a stub Application object, so shut it down.
             // !!! We hardcode the confirmation UI's package name here rather than use a
             //     manifest flag!  TODO something less direct.
-            if (app.uid != Process.SYSTEM_UID
-                    && !app.packageName.equals("com.android.backupconfirm")
-                    && app.uid != Process.PHONE_UID) {
+            if (app.uid >= Process.FIRST_APPLICATION_UID
+                    && !app.packageName.equals("com.android.backupconfirm")) {
                 if (MORE_DEBUG) Slog.d(TAG, "Killing agent host process");
                 mActivityManager.killApplicationProcess(app.processName, app.uid);
             } else {
@@ -6881,7 +6880,7 @@
                     // The agent was running with a stub Application object, so shut it down.
                     // !!! We hardcode the confirmation UI's package name here rather than use a
                     //     manifest flag!  TODO something less direct.
-                    if (app.uid != Process.SYSTEM_UID
+                    if (app.uid >= Process.FIRST_APPLICATION_UID
                             && !app.packageName.equals("com.android.backupconfirm")) {
                         if (DEBUG) Slog.d(TAG, "Killing host process");
                         mActivityManager.killApplicationProcess(app.processName, app.uid);
@@ -8625,13 +8624,15 @@
                     // it is explicitly not killed following that operation.
                     //
                     // We execute this kill when these conditions hold:
-                    //    1. the app did not request its own restore (mTargetPackage == null), and either
-                    //    2a. the app is a full-data target (TYPE_FULL_STREAM) or
+                    //    1. it's not a system-uid process,
+                    //    2. the app did not request its own restore (mTargetPackage == null), and either
+                    //    3a. the app is a full-data target (TYPE_FULL_STREAM) or
                     //     b. the app does not state android:killAfterRestore="false" in its manifest
                     final int appFlags = mCurrentPackage.applicationInfo.flags;
                     final boolean killAfterRestore =
-                            (mRestoreDescription.getDataType() == RestoreDescription.TYPE_FULL_STREAM)
-                            || ((appFlags & ApplicationInfo.FLAG_KILL_AFTER_RESTORE) != 0);
+                            (mCurrentPackage.applicationInfo.uid >= Process.FIRST_APPLICATION_UID)
+                            && ((mRestoreDescription.getDataType() == RestoreDescription.TYPE_FULL_STREAM)
+                                    || ((appFlags & ApplicationInfo.FLAG_KILL_AFTER_RESTORE) != 0));
 
                     if (mTargetPackage == null && killAfterRestore) {
                         if (DEBUG) Slog.d(TAG, "Restore complete, killing host process of "
diff --git a/services/core/java/com/android/server/BluetoothManagerService.java b/services/core/java/com/android/server/BluetoothManagerService.java
index 8cfeb74..e241a4a 100644
--- a/services/core/java/com/android/server/BluetoothManagerService.java
+++ b/services/core/java/com/android/server/BluetoothManagerService.java
@@ -19,7 +19,6 @@
 import android.Manifest;
 import android.app.ActivityManager;
 import android.bluetooth.BluetoothAdapter;
-import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
 import android.bluetooth.IBluetooth;
 import android.bluetooth.IBluetoothCallback;
@@ -44,7 +43,6 @@
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
-import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.os.RemoteCallbackList;
 import android.os.RemoteException;
@@ -53,10 +51,9 @@
 import android.os.UserManager;
 import android.provider.Settings;
 import android.provider.Settings.SettingNotFoundException;
-import android.util.Log;
+import android.util.Slog;
 
 import java.io.FileDescriptor;
-import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.HashMap;
 import java.util.Map;
@@ -92,14 +89,15 @@
     private static final int MESSAGE_BLUETOOTH_SERVICE_CONNECTED = 40;
     private static final int MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED = 41;
     private static final int MESSAGE_RESTART_BLUETOOTH_SERVICE = 42;
-    private static final int MESSAGE_BLUETOOTH_STATE_CHANGE=60;
-    private static final int MESSAGE_TIMEOUT_BIND =100;
-    private static final int MESSAGE_TIMEOUT_UNBIND =101;
+    private static final int MESSAGE_BLUETOOTH_STATE_CHANGE = 60;
+    private static final int MESSAGE_TIMEOUT_BIND = 100;
+    private static final int MESSAGE_TIMEOUT_UNBIND = 101;
     private static final int MESSAGE_USER_SWITCHED = 300;
+    private static final int MESSAGE_USER_UNLOCKED = 301;
     private static final int MESSAGE_ADD_PROXY_DELAYED = 400;
     private static final int MESSAGE_BIND_PROFILE_SERVICE = 401;
-    private static final int MAX_SAVE_RETRIES=3;
-    private static final int MAX_ERROR_RESTART_RETRIES=6;
+    private static final int MAX_SAVE_RETRIES = 3;
+    private static final int MAX_ERROR_RESTART_RETRIES = 6;
 
     // Bluetooth persisted setting is off
     private static final int BLUETOOTH_OFF=0;
@@ -176,7 +174,7 @@
             String action = intent.getAction();
             if (BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED.equals(action)) {
                 String newName = intent.getStringExtra(BluetoothAdapter.EXTRA_LOCAL_NAME);
-                if (DBG) Log.d(TAG, "Bluetooth Adapter name changed to " + newName);
+                if (DBG) Slog.d(TAG, "Bluetooth Adapter name changed to " + newName);
                 if (newName != null) {
                     storeNameAndAddress(newName, null);
                 }
@@ -195,10 +193,10 @@
                         try {
                             st = mBluetooth.getState();
                         } catch (RemoteException e) {
-                            Log.e(TAG,"Unable to call getState", e);
+                            Slog.e(TAG,"Unable to call getState", e);
                         }
                     }
-                    Log.d(TAG, "state" + st);
+                    Slog.d(TAG, "state" + st);
 
                     if (isAirplaneModeOn()) {
                         // Clear registered LE apps to force shut-off
@@ -214,16 +212,16 @@
                                     mEnableExternal = false;
                                 }
                             } catch(RemoteException e) {
-                                Log.e(TAG,"Unable to call onBrEdrDown", e);
+                                Slog.e(TAG,"Unable to call onBrEdrDown", e);
                             }
                         } else if (st == BluetoothAdapter.STATE_ON){
                             // disable without persisting the setting
-                            Log.d(TAG, "Calling disable");
+                            Slog.d(TAG, "Calling disable");
                             sendDisableMsg();
                         }
                     } else if (mEnableExternal) {
                         // enable without persisting the setting
-                        Log.d(TAG, "Calling enable");
+                        Slog.d(TAG, "Calling enable");
                         sendEnableMsg(mQuietEnableExternal);
                     }
                 }
@@ -267,7 +265,7 @@
                     PackageManager.MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM);
         } catch (PackageManager.NameNotFoundException e) {
             // Some platforms, such as wearables do not have a system ui.
-            Log.w(TAG, "Unable to resolve SystemUI's UID.", e);
+            Slog.w(TAG, "Unable to resolve SystemUI's UID.", e);
         }
         mSystemUiUid = sysUiUid;
     }
@@ -320,17 +318,17 @@
      * in the local cache
      */
     private void loadStoredNameAndAddress() {
-        if (DBG) Log.d(TAG, "Loading stored name and address");
+        if (DBG) Slog.d(TAG, "Loading stored name and address");
         if (mContext.getResources().getBoolean
             (com.android.internal.R.bool.config_bluetooth_address_validation) &&
              Settings.Secure.getInt(mContentResolver, SECURE_SETTINGS_BLUETOOTH_ADDR_VALID, 0) == 0) {
             // if the valid flag is not set, don't load the address and name
-            if (DBG) Log.d(TAG, "invalid bluetooth name and address stored");
+            if (DBG) Slog.d(TAG, "invalid bluetooth name and address stored");
             return;
         }
         mName = Settings.Secure.getString(mContentResolver, SECURE_SETTINGS_BLUETOOTH_NAME);
         mAddress = Settings.Secure.getString(mContentResolver, SECURE_SETTINGS_BLUETOOTH_ADDRESS);
-        if (DBG) Log.d(TAG, "Stored bluetooth Name=" + mName + ",Address=" + mAddress);
+        if (DBG) Slog.d(TAG, "Stored bluetooth Name=" + mName + ",Address=" + mAddress);
     }
 
     /**
@@ -343,14 +341,14 @@
         if (name != null) {
             Settings.Secure.putString(mContentResolver, SECURE_SETTINGS_BLUETOOTH_NAME, name);
             mName = name;
-            if (DBG) Log.d(TAG,"Stored Bluetooth name: " +
+            if (DBG) Slog.d(TAG,"Stored Bluetooth name: " +
                 Settings.Secure.getString(mContentResolver,SECURE_SETTINGS_BLUETOOTH_NAME));
         }
 
         if (address != null) {
             Settings.Secure.putString(mContentResolver, SECURE_SETTINGS_BLUETOOTH_ADDRESS, address);
             mAddress=address;
-            if (DBG)  Log.d(TAG,"Stored Bluetoothaddress: " +
+            if (DBG)  Slog.d(TAG,"Stored Bluetoothaddress: " +
                 Settings.Secure.getString(mContentResolver,SECURE_SETTINGS_BLUETOOTH_ADDRESS));
         }
 
@@ -361,7 +359,7 @@
 
     public IBluetooth registerAdapter(IBluetoothManagerCallback callback){
         if (callback == null) {
-            Log.w(TAG, "Callback is null in registerAdapter");
+            Slog.w(TAG, "Callback is null in registerAdapter");
             return null;
         }
         Message msg = mHandler.obtainMessage(MESSAGE_REGISTER_ADAPTER);
@@ -374,7 +372,7 @@
 
     public void unregisterAdapter(IBluetoothManagerCallback callback) {
         if (callback == null) {
-            Log.w(TAG, "Callback is null in unregisterAdapter");
+            Slog.w(TAG, "Callback is null in unregisterAdapter");
             return;
         }
         mContext.enforceCallingOrSelfPermission(BLUETOOTH_PERM,
@@ -403,7 +401,7 @@
     public boolean isEnabled() {
         if ((Binder.getCallingUid() != Process.SYSTEM_UID) &&
             (!checkIfCallerIsForegroundUser())) {
-            Log.w(TAG,"isEnabled(): not allowed for non-active and non system user");
+            Slog.w(TAG,"isEnabled(): not allowed for non-active and non system user");
             return false;
         }
 
@@ -411,7 +409,7 @@
             try {
                 return (mBluetooth != null && mBluetooth.isEnabled());
             } catch (RemoteException e) {
-                Log.e(TAG, "isEnabled()", e);
+                Slog.e(TAG, "isEnabled()", e);
             }
         }
         return false;
@@ -419,17 +417,17 @@
 
     class ClientDeathRecipient implements IBinder.DeathRecipient {
         public void binderDied() {
-            if (DBG) Log.d(TAG, "Binder is dead -  unregister Ble App");
+            if (DBG) Slog.d(TAG, "Binder is dead -  unregister Ble App");
             if (mBleAppCount > 0) --mBleAppCount;
 
             if (mBleAppCount == 0) {
-                if (DBG) Log.d(TAG, "Disabling LE only mode after application crash");
+                if (DBG) Slog.d(TAG, "Disabling LE only mode after application crash");
                 try {
                     if (mBluetooth != null) {
                         mBluetooth.onBrEdrDown();
                     }
                 } catch(RemoteException e) {
-                     Log.e(TAG,"Unable to call onBrEdrDown", e);
+                     Slog.e(TAG,"Unable to call onBrEdrDown", e);
                 }
             }
         }
@@ -459,7 +457,7 @@
                     try {
                         if (mBluetooth != null) mBluetooth.onBrEdrDown();
                     } catch (RemoteException e) {
-                        Log.e(TAG, "error when disabling bluetooth", e);
+                        Slog.e(TAG, "error when disabling bluetooth", e);
                     }
                 }
             }
@@ -474,11 +472,11 @@
     private void disableBleScanMode() {
         try {
             if (mBluetooth != null && (mBluetooth.getState() != BluetoothAdapter.STATE_ON)) {
-                if (DBG) Log.d(TAG, "Reseting the mEnable flag for clean disable");
+                if (DBG) Slog.d(TAG, "Reseting the mEnable flag for clean disable");
                 mEnable = false;
             }
         } catch (RemoteException e) {
-            Log.e(TAG, "getState()", e);
+            Slog.e(TAG, "getState()", e);
         }
     }
 
@@ -496,7 +494,7 @@
                 synchronized (this) {
                     ++mBleAppCount;
                 }
-                if (DBG) Log.d(TAG, "Registered for death Notification");
+                if (DBG) Slog.d(TAG, "Registered for death Notification");
             }
 
         } else  {
@@ -508,10 +506,10 @@
                 synchronized (this) {
                     if (mBleAppCount > 0) --mBleAppCount;
                 }
-                if (DBG) Log.d(TAG, "Unregistered for death Notification");
+                if (DBG) Slog.d(TAG, "Unregistered for death Notification");
             }
         }
-        if (DBG) Log.d(TAG, "Updated BleAppCount" + mBleAppCount);
+        if (DBG) Slog.d(TAG, "Updated BleAppCount" + mBleAppCount);
         if (mBleAppCount == 0 && mEnable) {
             disableBleScanMode();
         }
@@ -528,7 +526,7 @@
 
     /** @hide*/
     public boolean isBleAppPresent() {
-        if (DBG) Log.d(TAG, "isBleAppPresent() count: " + mBleAppCount);
+        if (DBG) Slog.d(TAG, "isBleAppPresent() count: " + mBleAppCount);
         return (mBleAppCount > 0);
     }
 
@@ -536,7 +534,7 @@
      * Action taken when GattService is turned off
      */
     private void onBluetoothGattServiceUp() {
-        if (DBG) Log.d(TAG,"BluetoothGatt Service is Up");
+        if (DBG) Slog.d(TAG,"BluetoothGatt Service is Up");
         try{
             if (isBleAppPresent() == false && mBluetooth != null
                   && mBluetooth.getState() == BluetoothAdapter.STATE_BLE_ON) {
@@ -548,7 +546,7 @@
                 Binder.restoreCallingIdentity(callingIdentity);
             }
         } catch(RemoteException e) {
-                Log.e(TAG,"Unable to call onServiceUp", e);
+                Slog.e(TAG,"Unable to call onServiceUp", e);
         }
     }
 
@@ -557,10 +555,10 @@
      * and turn off all service and stack if no LE app needs it
      */
     private void sendBrEdrDownCallback() {
-        if (DBG) Log.d(TAG,"Calling sendBrEdrDownCallback callbacks");
+        if (DBG) Slog.d(TAG,"Calling sendBrEdrDownCallback callbacks");
 
         if(mBluetooth == null) {
-            Log.w(TAG, "Bluetooth handle is null");
+            Slog.w(TAG, "Bluetooth handle is null");
             return;
         }
 
@@ -568,14 +566,14 @@
             try {
                 mBluetooth.onBrEdrDown();
             } catch(RemoteException e) {
-                Log.e(TAG, "Call to onBrEdrDown() failed.", e);
+                Slog.e(TAG, "Call to onBrEdrDown() failed.", e);
             }
         } else {
             // Need to stay at BLE ON. Disconnect all Gatt connections
             try{
                 mBluetoothGatt.unregAll();
             } catch(RemoteException e) {
-                Log.e(TAG, "Unable to disconnect all apps.", e);
+                Slog.e(TAG, "Unable to disconnect all apps.", e);
             }
         }
     }
@@ -586,7 +584,7 @@
                                                 "Need BLUETOOTH ADMIN permission");
 
         if (DBG) {
-            Log.d(TAG,"enableNoAutoConnect():  mBluetooth =" + mBluetooth +
+            Slog.d(TAG,"enableNoAutoConnect():  mBluetooth =" + mBluetooth +
                     " mBinding = " + mBinding);
         }
         int callingAppId = UserHandle.getAppId(Binder.getCallingUid());
@@ -606,14 +604,14 @@
     public boolean enable() {
         if ((Binder.getCallingUid() != Process.SYSTEM_UID) &&
             (!checkIfCallerIsForegroundUser())) {
-            Log.w(TAG,"enable(): not allowed for non-active and non system user");
+            Slog.w(TAG,"enable(): not allowed for non-active and non system user");
             return false;
         }
 
         mContext.enforceCallingOrSelfPermission(BLUETOOTH_ADMIN_PERM,
                                                 "Need BLUETOOTH ADMIN permission");
         if (DBG) {
-            Log.d(TAG,"enable():  mBluetooth =" + mBluetooth +
+            Slog.d(TAG,"enable():  mBluetooth =" + mBluetooth +
                     " mBinding = " + mBinding);
         }
 
@@ -623,7 +621,7 @@
             // waive WRITE_SECURE_SETTINGS permission check
             sendEnableMsg(false);
         }
-        if (DBG) Log.d(TAG, "enable returning");
+        if (DBG) Slog.d(TAG, "enable returning");
         return true;
     }
 
@@ -633,12 +631,12 @@
 
         if ((Binder.getCallingUid() != Process.SYSTEM_UID) &&
             (!checkIfCallerIsForegroundUser())) {
-            Log.w(TAG,"disable(): not allowed for non-active and non system user");
+            Slog.w(TAG,"disable(): not allowed for non-active and non system user");
             return false;
         }
 
         if (DBG) {
-            Log.d(TAG,"disable(): mBluetooth = " + mBluetooth +
+            Slog.d(TAG,"disable(): mBluetooth = " + mBluetooth +
                 " mBinding = " + mBinding);
         }
 
@@ -657,7 +655,7 @@
 
     public void unbindAndFinish() {
         if (DBG) {
-            Log.d(TAG,"unbindAndFinish(): " + mBluetooth +
+            Slog.d(TAG,"unbindAndFinish(): " + mBluetooth +
                 " mBinding = " + mBinding);
         }
 
@@ -669,10 +667,10 @@
                 try {
                     mBluetooth.unregisterCallback(mBluetoothCallback);
                 } catch (RemoteException re) {
-                    Log.e(TAG, "Unable to unregister BluetoothCallback",re);
+                    Slog.e(TAG, "Unable to unregister BluetoothCallback",re);
                 }
 
-                if (DBG) Log.d(TAG, "Sending unbind request.");
+                if (DBG) Slog.d(TAG, "Sending unbind request.");
                 mBluetoothBinder = null;
                 mBluetooth = null;
                 //Unbind
@@ -696,7 +694,7 @@
             IBluetoothProfileServiceConnection proxy) {
         if (!mEnable) {
             if (DBG) {
-                Log.d(TAG, "Trying to bind to profile: " + bluetoothProfile +
+                Slog.d(TAG, "Trying to bind to profile: " + bluetoothProfile +
                         ", while Bluetooth was disabled");
             }
             return false;
@@ -705,7 +703,7 @@
             ProfileServiceConnections psc = mProfileServices.get(new Integer(bluetoothProfile));
             if (psc == null) {
                 if (DBG) {
-                    Log.d(TAG, "Creating new ProfileServiceConnections object for"
+                    Slog.d(TAG, "Creating new ProfileServiceConnections object for"
                             + " profile: " + bluetoothProfile);
                 }
 
@@ -746,7 +744,7 @@
                 try {
                     mContext.unbindService(psc);
                 } catch (IllegalArgumentException e) {
-                    Log.e(TAG, "Unable to unbind service with intent: " + psc.mIntent, e);
+                    Slog.e(TAG, "Unable to unbind service with intent: " + psc.mIntent, e);
                 }
                 psc.removeAllProxies();
             }
@@ -759,9 +757,9 @@
      * PHASE_SYSTEM_SERVICES_READY.
      */
     public void handleOnBootPhase() {
-        if (DBG) Log.d(TAG, "Bluetooth boot completed");
+        if (DBG) Slog.d(TAG, "Bluetooth boot completed");
         if (mEnableExternal && isBluetoothPersistedStateOnBluetooth()) {
-            if (DBG) Log.d(TAG, "Auto-enabling Bluetooth.");
+            if (DBG) Slog.d(TAG, "Auto-enabling Bluetooth.");
             sendEnableMsg(mQuietEnableExternal);
         }
     }
@@ -770,8 +768,16 @@
      * Called when switching to a different foreground user.
      */
     public void handleOnSwitchUser(int userHandle) {
-        if (DBG) Log.d(TAG, "Bluetooth user switched");
-        mHandler.sendMessage(mHandler.obtainMessage(MESSAGE_USER_SWITCHED, userHandle, 0));
+        if (DBG) Slog.d(TAG, "User " + userHandle + " switched");
+        mHandler.obtainMessage(MESSAGE_USER_SWITCHED, userHandle, 0).sendToTarget();
+    }
+
+    /**
+     * Called when user is unlocked.
+     */
+    public void handleOnUnlockUser(int userHandle) {
+        if (DBG) Slog.d(TAG, "User " + userHandle + " unlocked");
+        mHandler.obtainMessage(MESSAGE_USER_UNLOCKED, userHandle, 0).sendToTarget();
     }
 
     /**
@@ -801,7 +807,7 @@
                 mHandler.sendMessageDelayed(msg, TIMEOUT_BIND_MS);
                 return true;
             }
-            Log.w(TAG, "Unable to bind with intent: " + mIntent);
+            Slog.w(TAG, "Unable to bind with intent: " + mIntent);
             return false;
         }
 
@@ -811,7 +817,7 @@
                 try{
                     proxy.onServiceConnected(mClassName, mService);
                 } catch (RemoteException e) {
-                    Log.e(TAG, "Unable to connect to proxy", e);
+                    Slog.e(TAG, "Unable to connect to proxy", e);
                 }
             } else {
                 if (!mHandler.hasMessages(MESSAGE_BIND_PROFILE_SERVICE, this)) {
@@ -828,11 +834,11 @@
                     try {
                         proxy.onServiceDisconnected(mClassName);
                     } catch (RemoteException e) {
-                        Log.e(TAG, "Unable to disconnect proxy", e);
+                        Slog.e(TAG, "Unable to disconnect proxy", e);
                     }
                 }
             } else {
-                Log.w(TAG, "Trying to remove a null proxy");
+                Slog.w(TAG, "Trying to remove a null proxy");
             }
         }
 
@@ -850,11 +856,11 @@
             try {
                 mService.linkToDeath(this, 0);
             } catch (RemoteException e) {
-                Log.e(TAG, "Unable to linkToDeath", e);
+                Slog.e(TAG, "Unable to linkToDeath", e);
             }
 
             if (mInvokingProxyCallbacks) {
-                Log.e(TAG, "Proxy callbacks already in progress.");
+                Slog.e(TAG, "Proxy callbacks already in progress.");
                 return;
             }
             mInvokingProxyCallbacks = true;
@@ -865,7 +871,7 @@
                     try {
                         mProxies.getBroadcastItem(i).onServiceConnected(className, service);
                     } catch (RemoteException e) {
-                        Log.e(TAG, "Unable to connect to proxy", e);
+                        Slog.e(TAG, "Unable to connect to proxy", e);
                     }
                 }
             } finally {
@@ -882,7 +888,7 @@
             mClassName = null;
 
             if (mInvokingProxyCallbacks) {
-                Log.e(TAG, "Proxy callbacks already in progress.");
+                Slog.e(TAG, "Proxy callbacks already in progress.");
                 return;
             }
             mInvokingProxyCallbacks = true;
@@ -893,7 +899,7 @@
                     try {
                         mProxies.getBroadcastItem(i).onServiceDisconnected(className);
                     } catch (RemoteException e) {
-                        Log.e(TAG, "Unable to disconnect from proxy", e);
+                        Slog.e(TAG, "Unable to disconnect from proxy", e);
                     }
                 }
             } finally {
@@ -905,7 +911,7 @@
         @Override
         public void binderDied() {
             if (DBG) {
-                Log.w(TAG, "Profile service for profile: " + mClassName
+                Slog.w(TAG, "Profile service for profile: " + mClassName
                         + " died.");
             }
             onServiceDisconnected(mClassName);
@@ -919,12 +925,12 @@
     private void sendBluetoothStateCallback(boolean isUp) {
         try {
             int n = mStateChangeCallbacks.beginBroadcast();
-            if (DBG) Log.d(TAG,"Broadcasting onBluetoothStateChange("+isUp+") to " + n + " receivers.");
+            if (DBG) Slog.d(TAG,"Broadcasting onBluetoothStateChange("+isUp+") to " + n + " receivers.");
             for (int i=0; i <n;i++) {
                 try {
                     mStateChangeCallbacks.getBroadcastItem(i).onBluetoothStateChange(isUp);
                 } catch (RemoteException e) {
-                    Log.e(TAG, "Unable to call onBluetoothStateChange() on callback #" + i , e);
+                    Slog.e(TAG, "Unable to call onBluetoothStateChange() on callback #" + i , e);
                 }
             }
         } finally {
@@ -936,15 +942,15 @@
      * Inform BluetoothAdapter instances that Adapter service is up
      */
     private void sendBluetoothServiceUpCallback() {
-        if (DBG) Log.d(TAG,"Calling onBluetoothServiceUp callbacks");
+        if (DBG) Slog.d(TAG,"Calling onBluetoothServiceUp callbacks");
         try {
             int n = mCallbacks.beginBroadcast();
-            Log.d(TAG,"Broadcasting onBluetoothServiceUp() to " + n + " receivers.");
+            Slog.d(TAG,"Broadcasting onBluetoothServiceUp() to " + n + " receivers.");
             for (int i=0; i <n;i++) {
                 try {
                     mCallbacks.getBroadcastItem(i).onBluetoothServiceUp(mBluetooth);
                 }  catch (RemoteException e) {
-                    Log.e(TAG, "Unable to call onBluetoothServiceUp() on callback #" + i, e);
+                    Slog.e(TAG, "Unable to call onBluetoothServiceUp() on callback #" + i, e);
                 }
             }
         } finally {
@@ -955,15 +961,15 @@
      * Inform BluetoothAdapter instances that Adapter service is down
      */
     private void sendBluetoothServiceDownCallback() {
-        if (DBG) Log.d(TAG,"Calling onBluetoothServiceDown callbacks");
+        if (DBG) Slog.d(TAG,"Calling onBluetoothServiceDown callbacks");
         try {
             int n = mCallbacks.beginBroadcast();
-            Log.d(TAG,"Broadcasting onBluetoothServiceDown() to " + n + " receivers.");
+            Slog.d(TAG,"Broadcasting onBluetoothServiceDown() to " + n + " receivers.");
             for (int i=0; i <n;i++) {
                 try {
                     mCallbacks.getBroadcastItem(i).onBluetoothServiceDown();
                 }  catch (RemoteException e) {
-                    Log.e(TAG, "Unable to call onBluetoothServiceDown() on callback #" + i, e);
+                    Slog.e(TAG, "Unable to call onBluetoothServiceDown() on callback #" + i, e);
                 }
             }
         } finally {
@@ -977,7 +983,7 @@
 
         if ((Binder.getCallingUid() != Process.SYSTEM_UID) &&
                 (!checkIfCallerIsForegroundUser())) {
-            Log.w(TAG,"getAddress(): not allowed for non-active and non system user");
+            Slog.w(TAG,"getAddress(): not allowed for non-active and non system user");
             return null;
         }
 
@@ -991,7 +997,7 @@
                 try {
                     return mBluetooth.getAddress();
                 } catch (RemoteException e) {
-                    Log.e(TAG, "getAddress(): Unable to retrieve address remotely..Returning cached address",e);
+                    Slog.e(TAG, "getAddress(): Unable to retrieve address remotely..Returning cached address",e);
                 }
             }
         }
@@ -1007,7 +1013,7 @@
 
         if ((Binder.getCallingUid() != Process.SYSTEM_UID) &&
             (!checkIfCallerIsForegroundUser())) {
-            Log.w(TAG,"getName(): not allowed for non-active and non system user");
+            Slog.w(TAG,"getName(): not allowed for non-active and non system user");
             return null;
         }
 
@@ -1016,7 +1022,7 @@
                 try {
                     return mBluetooth.getName();
                 } catch (RemoteException e) {
-                    Log.e(TAG, "getName(): Unable to retrieve name remotely..Returning cached name",e);
+                    Slog.e(TAG, "getName(): Unable to retrieve name remotely..Returning cached name",e);
                 }
             }
         }
@@ -1028,7 +1034,7 @@
 
     private class BluetoothServiceConnection implements ServiceConnection {
         public void onServiceConnected(ComponentName className, IBinder service) {
-            if (DBG) Log.d(TAG, "BluetoothServiceConnection: " + className.getClassName());
+            if (DBG) Slog.d(TAG, "BluetoothServiceConnection: " + className.getClassName());
             Message msg = mHandler.obtainMessage(MESSAGE_BLUETOOTH_SERVICE_CONNECTED);
             // TBD if (className.getClassName().equals(IBluetooth.class.getName())) {
             if (className.getClassName().equals("com.android.bluetooth.btservice.AdapterService")) {
@@ -1037,7 +1043,7 @@
             } else if (className.getClassName().equals("com.android.bluetooth.gatt.GattService")) {
                 msg.arg1 = SERVICE_IBLUETOOTHGATT;
             } else {
-                Log.e(TAG, "Unknown service connected: " + className.getClassName());
+                Slog.e(TAG, "Unknown service connected: " + className.getClassName());
                 return;
             }
             msg.obj = service;
@@ -1046,7 +1052,7 @@
 
         public void onServiceDisconnected(ComponentName className) {
             // Called if we unexpected disconnected.
-            if (DBG) Log.d(TAG, "BluetoothServiceConnection, disconnected: " +
+            if (DBG) Slog.d(TAG, "BluetoothServiceConnection, disconnected: " +
                            className.getClassName());
             Message msg = mHandler.obtainMessage(MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED);
             if (className.getClassName().equals("com.android.bluetooth.btservice.AdapterService")) {
@@ -1054,7 +1060,7 @@
             } else if (className.getClassName().equals("com.android.bluetooth.gatt.GattService")) {
                 msg.arg1 = SERVICE_IBLUETOOTHGATT;
             } else {
-                Log.e(TAG, "Unknown service disconnected: " + className.getClassName());
+                Slog.e(TAG, "Unknown service disconnected: " + className.getClassName());
                 return;
             }
             mHandler.sendMessage(msg);
@@ -1070,11 +1076,11 @@
 
         @Override
         public void handleMessage(Message msg) {
-            if (DBG) Log.d (TAG, "Message: " + msg.what);
+            if (DBG) Slog.d (TAG, "Message: " + msg.what);
             switch (msg.what) {
                 case MESSAGE_ENABLE:
                     if (DBG) {
-                        Log.d(TAG, "MESSAGE_ENABLE: mBluetooth = " + mBluetooth);
+                        Slog.d(TAG, "MESSAGE_ENABLE: mBluetooth = " + mBluetooth);
                     }
                     mHandler.removeMessages(MESSAGE_RESTART_BLUETOOTH_SERVICE);
                     mEnable = true;
@@ -1098,14 +1104,14 @@
                 {
                     IBluetoothManagerCallback callback = (IBluetoothManagerCallback) msg.obj;
                     boolean added = mCallbacks.register(callback);
-                    Log.d(TAG,"Added callback: " +  (callback == null? "null": callback)  +":" +added );
+                    Slog.d(TAG,"Added callback: " +  (callback == null? "null": callback)  +":" +added );
                 }
                     break;
                 case MESSAGE_UNREGISTER_ADAPTER:
                 {
                     IBluetoothManagerCallback callback = (IBluetoothManagerCallback) msg.obj;
                     boolean removed = mCallbacks.unregister(callback);
-                    Log.d(TAG,"Removed callback: " +  (callback == null? "null": callback)  +":" + removed);
+                    Slog.d(TAG,"Removed callback: " +  (callback == null? "null": callback)  +":" + removed);
                     break;
                 }
                 case MESSAGE_REGISTER_STATE_CHANGE_CALLBACK:
@@ -1148,7 +1154,7 @@
                 }
                 case MESSAGE_BLUETOOTH_SERVICE_CONNECTED:
                 {
-                    if (DBG) Log.d(TAG,"MESSAGE_BLUETOOTH_SERVICE_CONNECTED: " + msg.arg1);
+                    if (DBG) Slog.d(TAG,"MESSAGE_BLUETOOTH_SERVICE_CONNECTED: " + msg.arg1);
 
                     IBinder service = (IBinder) msg.obj;
                     synchronized(mConnection) {
@@ -1169,17 +1175,17 @@
                             boolean enableHciSnoopLog = (Settings.Secure.getInt(mContentResolver,
                                 Settings.Secure.BLUETOOTH_HCI_LOG, 0) == 1);
                             if (!mBluetooth.configHciSnoopLog(enableHciSnoopLog)) {
-                                Log.e(TAG,"IBluetooth.configHciSnoopLog return false");
+                                Slog.e(TAG,"IBluetooth.configHciSnoopLog return false");
                             }
                         } catch (RemoteException e) {
-                            Log.e(TAG,"Unable to call configHciSnoopLog", e);
+                            Slog.e(TAG,"Unable to call configHciSnoopLog", e);
                         }
 
                         //Register callback object
                         try {
                             mBluetooth.registerCallback(mBluetoothCallback);
                         } catch (RemoteException re) {
-                            Log.e(TAG, "Unable to register BluetoothCallback",re);
+                            Slog.e(TAG, "Unable to register BluetoothCallback",re);
                         }
                         //Inform BluetoothAdapter instances that service is up
                         sendBluetoothServiceUpCallback();
@@ -1188,17 +1194,17 @@
                         try {
                             if (mQuietEnable == false) {
                                 if(!mBluetooth.enable()) {
-                                    Log.e(TAG,"IBluetooth.enable() returned false");
+                                    Slog.e(TAG,"IBluetooth.enable() returned false");
                                 }
                             }
                             else
                             {
                                 if(!mBluetooth.enableNoAutoConnect()) {
-                                    Log.e(TAG,"IBluetooth.enableNoAutoConnect() returned false");
+                                    Slog.e(TAG,"IBluetooth.enableNoAutoConnect() returned false");
                                 }
                             }
                         } catch (RemoteException e) {
-                            Log.e(TAG,"Unable to call enable()",e);
+                            Slog.e(TAG,"Unable to call enable()",e);
                         }
                     }
 
@@ -1210,7 +1216,7 @@
                     break;
                 }
                 case MESSAGE_TIMEOUT_BIND: {
-                    Log.e(TAG, "MESSAGE_TIMEOUT_BIND");
+                    Slog.e(TAG, "MESSAGE_TIMEOUT_BIND");
                     synchronized(mConnection) {
                         mBinding = false;
                     }
@@ -1220,7 +1226,7 @@
                 {
                     int prevState = msg.arg1;
                     int newState = msg.arg2;
-                    if (DBG) Log.d(TAG, "MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = " + prevState + ", newState=" + newState);
+                    if (DBG) Slog.d(TAG, "MESSAGE_BLUETOOTH_STATE_CHANGE: prevState = " + prevState + ", newState=" + newState);
                     mState = newState;
                     bluetoothStateChangeHandler(prevState, newState);
                     // handle error state transition case from TURNING_ON to OFF
@@ -1239,7 +1245,7 @@
                         newState == BluetoothAdapter.STATE_BLE_ON) {
                         // bluetooth is working, reset the counter
                         if (mErrorRecoveryRetryCounter != 0) {
-                            Log.w(TAG, "bluetooth is recovered from error");
+                            Slog.w(TAG, "bluetooth is recovered from error");
                             mErrorRecoveryRetryCounter = 0;
                         }
                     }
@@ -1247,7 +1253,7 @@
                 }
                 case MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED:
                 {
-                    Log.e(TAG, "MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED: " + msg.arg1);
+                    Slog.e(TAG, "MESSAGE_BLUETOOTH_SERVICE_DISCONNECTED: " + msg.arg1);
                     synchronized(mConnection) {
                         if (msg.arg1 == SERVICE_IBLUETOOTH) {
                             // if service is unbinded already, do nothing and return
@@ -1257,7 +1263,7 @@
                             mBluetoothGatt = null;
                             break;
                         } else {
-                            Log.e(TAG, "Bad msg.arg1: " + msg.arg1);
+                            Slog.e(TAG, "Bad msg.arg1: " + msg.arg1);
                             break;
                         }
                     }
@@ -1292,7 +1298,7 @@
                 }
                 case MESSAGE_RESTART_BLUETOOTH_SERVICE:
                 {
-                    Log.d(TAG, "MESSAGE_RESTART_BLUETOOTH_SERVICE:"
+                    Slog.d(TAG, "MESSAGE_RESTART_BLUETOOTH_SERVICE:"
                         +" Restart IBluetooth service");
                     /* Enable without persisting the setting as
                      it doesnt change when IBluetooth
@@ -1304,19 +1310,17 @@
 
                 case MESSAGE_TIMEOUT_UNBIND:
                 {
-                    Log.e(TAG, "MESSAGE_TIMEOUT_UNBIND");
+                    Slog.e(TAG, "MESSAGE_TIMEOUT_UNBIND");
                     synchronized(mConnection) {
                         mUnbinding = false;
                     }
                     break;
                 }
 
-                case MESSAGE_USER_SWITCHED:
-                {
-                    if (DBG) {
-                        Log.d(TAG, "MESSAGE_USER_SWITCHED");
-                    }
+                case MESSAGE_USER_SWITCHED: {
+                    if (DBG) Slog.d(TAG, "MESSAGE_USER_SWITCHED");
                     mHandler.removeMessages(MESSAGE_USER_SWITCHED);
+
                     /* disable and enable BT when detect a user switch */
                     if (mEnable && mBluetooth != null) {
                         synchronized (mConnection) {
@@ -1325,7 +1329,7 @@
                                 try {
                                     mBluetooth.unregisterCallback(mBluetoothCallback);
                                 } catch (RemoteException re) {
-                                    Log.e(TAG, "Unable to unregister",re);
+                                    Slog.e(TAG, "Unable to unregister",re);
                                 }
                             }
                         }
@@ -1379,11 +1383,25 @@
                         // delay sending MESSAGE_USER_SWITCHED
                         mHandler.sendMessageDelayed(userMsg, USER_SWITCHED_TIME_MS);
                         if (DBG) {
-                            Log.d(TAG, "delay MESSAGE_USER_SWITCHED " + userMsg.arg2);
+                            Slog.d(TAG, "delay MESSAGE_USER_SWITCHED " + userMsg.arg2);
                         }
                     }
                     break;
                 }
+                case MESSAGE_USER_UNLOCKED: {
+                    if (DBG) Slog.d(TAG, "MESSAGE_USER_UNLOCKED");
+                    mHandler.removeMessages(MESSAGE_USER_SWITCHED);
+
+                    synchronized (mConnection) {
+                        if (mEnable && !mBinding && (mBluetooth == null)) {
+                            // We should be connected, but we gave up for some
+                            // reason; maybe the Bluetooth service wasn't encryption
+                            // aware, so try binding again.
+                            if (DBG) Slog.d(TAG, "Enabled but not bound; retrying after unlock");
+                            handleEnable(mQuietEnable);
+                        }
+                    }
+                }
             }
         }
     }
@@ -1408,16 +1426,16 @@
                 try {
                     if (!mQuietEnable) {
                         if(!mBluetooth.enable()) {
-                            Log.e(TAG,"IBluetooth.enable() returned false");
+                            Slog.e(TAG,"IBluetooth.enable() returned false");
                         }
                     }
                     else {
                         if(!mBluetooth.enableNoAutoConnect()) {
-                            Log.e(TAG,"IBluetooth.enableNoAutoConnect() returned false");
+                            Slog.e(TAG,"IBluetooth.enableNoAutoConnect() returned false");
                         }
                     }
                 } catch (RemoteException e) {
-                    Log.e(TAG,"Unable to call enable()",e);
+                    Slog.e(TAG,"Unable to call enable()",e);
                 }
             }
         }
@@ -1427,7 +1445,7 @@
         ComponentName comp = intent.resolveSystemService(mContext.getPackageManager(), 0);
         intent.setComponent(comp);
         if (comp == null || !mContext.bindServiceAsUser(intent, conn, flags, user)) {
-            Log.e(TAG, "Fail to bind to: " + intent);
+            Slog.e(TAG, "Fail to bind to: " + intent);
             return false;
         }
         return true;
@@ -1436,14 +1454,14 @@
     private void handleDisable() {
         synchronized(mConnection) {
             if (mBluetooth != null) {
-                if (DBG) Log.d(TAG,"Sending off request.");
+                if (DBG) Slog.d(TAG,"Sending off request.");
 
                 try {
                     if(!mBluetooth.disable()) {
-                        Log.e(TAG,"IBluetooth.disable() returned false");
+                        Slog.e(TAG,"IBluetooth.disable() returned false");
                     }
                 } catch (RemoteException e) {
-                    Log.e(TAG,"Unable to call disable()",e);
+                    Slog.e(TAG,"Unable to call disable()",e);
                 }
             }
         }
@@ -1466,7 +1484,7 @@
                     callingAppId == Process.NFC_UID ||
                     callingAppId == mSystemUiUid;
             if (DBG) {
-                Log.d(TAG, "checkIfCallerIsForegroundUser: valid=" + valid
+                Slog.d(TAG, "checkIfCallerIsForegroundUser: valid=" + valid
                     + " callingUser=" + callingUser
                     + " parentUser=" + parentUser
                     + " foregroundUser=" + foregroundUser);
@@ -1478,7 +1496,7 @@
     }
 
     private void sendBleStateChanged(int prevState, int newState) {
-        if (DBG) Log.d(TAG,"BLE State Change Intent: " + prevState + " -> " + newState);
+        if (DBG) Slog.d(TAG,"BLE State Change Intent: " + prevState + " -> " + newState);
         // Send broadcast message to everyone else
         Intent intent = new Intent(BluetoothAdapter.ACTION_BLE_STATE_CHANGED);
         intent.putExtra(BluetoothAdapter.EXTRA_PREVIOUS_STATE, prevState);
@@ -1498,9 +1516,9 @@
 
                 if (newState == BluetoothAdapter.STATE_OFF) {
                     // If Bluetooth is off, send service down event to proxy objects, and unbind
-                    if (DBG) Log.d(TAG, "Bluetooth is complete turn off");
+                    if (DBG) Slog.d(TAG, "Bluetooth is complete turn off");
                     if (canUnbindBluetoothService()) {
-                        if (DBG) Log.d(TAG, "Good to unbind!");
+                        if (DBG) Slog.d(TAG, "Good to unbind!");
                         sendBluetoothServiceDownCallback();
                         unbindAndFinish();
                         sendBleStateChanged(prevState, newState);
@@ -1510,12 +1528,12 @@
 
                 } else if (!intermediate_off) {
                     // connect to GattService
-                    if (DBG) Log.d(TAG, "Bluetooth is in LE only mode");
+                    if (DBG) Slog.d(TAG, "Bluetooth is in LE only mode");
                     if (mBluetoothGatt != null) {
-                        if (DBG) Log.d(TAG, "Calling BluetoothGattServiceUp");
+                        if (DBG) Slog.d(TAG, "Calling BluetoothGattServiceUp");
                         onBluetoothGattServiceUp();
                     } else {
-                        if (DBG) Log.d(TAG, "Binding Bluetooth GATT service");
+                        if (DBG) Slog.d(TAG, "Binding Bluetooth GATT service");
                         if (mContext.getPackageManager().hasSystemFeature(
                                                         PackageManager.FEATURE_BLUETOOTH_LE)) {
                             Intent i = new Intent(IBluetoothGatt.class.getName());
@@ -1527,7 +1545,7 @@
                     isStandardBroadcast = false;
 
                 } else if (intermediate_off){
-                    if (DBG) Log.d(TAG, "Intermediate off, back to LE only mode");
+                    if (DBG) Slog.d(TAG, "Intermediate off, back to LE only mode");
                     // For LE only mode, broadcast as is
                     sendBleStateChanged(prevState, newState);
                     sendBluetoothStateCallback(false); // BT is OFF for general users
@@ -1583,7 +1601,7 @@
                         if (mBluetooth.getState() != BluetoothAdapter.STATE_ON) return true;
                     }
                 } catch (RemoteException e) {
-                    Log.e(TAG, "getState()", e);
+                    Slog.e(TAG, "getState()", e);
                     break;
                 }
             }
@@ -1594,7 +1612,7 @@
             }
             i++;
         }
-        Log.e(TAG,"waitForOnOff time out");
+        Slog.e(TAG,"waitForOnOff time out");
         return false;
     }
 
@@ -1619,21 +1637,21 @@
                 if (mHandler.hasMessages(MESSAGE_BLUETOOTH_STATE_CHANGE)) return false;
                 return (mBluetooth.getState() == BluetoothAdapter.STATE_OFF);
             } catch (RemoteException e) {
-                Log.e(TAG, "getState()", e);
+                Slog.e(TAG, "getState()", e);
             }
         }
         return false;
     }
 
     private void recoverBluetoothServiceFromError() {
-        Log.e(TAG,"recoverBluetoothServiceFromError");
+        Slog.e(TAG,"recoverBluetoothServiceFromError");
         synchronized (mConnection) {
             if (mBluetooth != null) {
                 //Unregister callback object
                 try {
                     mBluetooth.unregisterCallback(mBluetoothCallback);
                 } catch (RemoteException re) {
-                    Log.e(TAG, "Unable to unregister",re);
+                    Slog.e(TAG, "Unable to unregister",re);
                 }
             }
         }
diff --git a/services/core/java/com/android/server/BluetoothService.java b/services/core/java/com/android/server/BluetoothService.java
index 019d03d..1bf4e3a 100644
--- a/services/core/java/com/android/server/BluetoothService.java
+++ b/services/core/java/com/android/server/BluetoothService.java
@@ -18,10 +18,8 @@
 
 import android.bluetooth.BluetoothAdapter;
 import android.content.Context;
-import android.util.Log;
 
 class BluetoothService extends SystemService {
-    private static final String TAG = "BluetoothService";
     private BluetoothManagerService mBluetoothManagerService;
 
     public BluetoothService(Context context) {
@@ -36,17 +34,20 @@
     @Override
     public void onBootPhase(int phase) {
         if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) {
-            Log.d(TAG, "onBootPhase: PHASE_SYSTEM_SERVICES_READY");
-            publishBinderService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, mBluetoothManagerService);
+            publishBinderService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE,
+                    mBluetoothManagerService);
         } else if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) {
-            Log.d(TAG, "onBootPhase: PHASE_ACTIVITY_MANAGER_READY");
             mBluetoothManagerService.handleOnBootPhase();
         }
     }
 
     @Override
     public void onSwitchUser(int userHandle) {
-        Log.d(TAG, "onSwitchUser: switching to user " + userHandle);
         mBluetoothManagerService.handleOnSwitchUser(userHandle);
     }
+
+    @Override
+    public void onUnlockUser(int userHandle) {
+        mBluetoothManagerService.handleOnUnlockUser(userHandle);
+    }
 }
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 25b6fdd..86040c2 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -125,6 +125,7 @@
 import com.android.server.connectivity.NetworkMonitor;
 import com.android.server.connectivity.PacManager;
 import com.android.server.connectivity.PermissionMonitor;
+import com.android.server.connectivity.ApfFilter;
 import com.android.server.connectivity.Tethering;
 import com.android.server.connectivity.Vpn;
 import com.android.server.net.BaseNetworkObserver;
@@ -163,7 +164,7 @@
         implements PendingIntent.OnFinished {
     private static final String TAG = "ConnectivityService";
 
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
     private static final boolean VDBG = false;
 
     private static final boolean LOGD_RULES = false;
@@ -353,6 +354,13 @@
      */
     private static final int EVENT_REGISTER_NETWORK_LISTENER_WITH_INTENT = 31;
 
+    /**
+     * used to push APF program to NetworkAgent
+     * replyTo = NetworkAgent message handler
+     * obj = byte[] of APF program
+     */
+    private static final int EVENT_PUSH_APF_PROGRAM_TO_NETWORK = 32;
+
     /** Handler thread used for both of the handlers below. */
     @VisibleForTesting
     protected final HandlerThread mHandlerThread;
@@ -447,7 +455,7 @@
      */
     private class LegacyTypeTracker {
 
-        private static final boolean DBG = true;
+        private static final boolean DBG = false;
         private static final boolean VDBG = false;
         private static final String TAG = "CSLegacyTypeTracker";
 
@@ -2190,6 +2198,7 @@
             mKeepaliveTracker.handleStopAllKeepalives(nai,
                     ConnectivityManager.PacketKeepalive.ERROR_INVALID_NETWORK);
             nai.networkMonitor.sendMessage(NetworkMonitor.CMD_NETWORK_DISCONNECTED);
+            if (nai.apfFilter != null) nai.apfFilter.shutdown();
             mNetworkAgentInfos.remove(msg.replyTo);
             updateClat(null, nai.linkProperties, nai);
             synchronized (mNetworkForNetId) {
@@ -2404,6 +2413,13 @@
                 accept ? 1 : 0, always ? 1: 0, network));
     }
 
+    public void pushApfProgramToNetwork(NetworkAgentInfo nai, byte[] program) {
+        enforceConnectivityInternalPermission();
+        Message msg = mHandler.obtainMessage(EVENT_PUSH_APF_PROGRAM_TO_NETWORK, program);
+        msg.replyTo = nai.messenger;
+        mHandler.sendMessage(msg);
+    }
+
     private void handleSetAcceptUnvalidated(Network network, boolean accept, boolean always) {
         if (DBG) log("handleSetAcceptUnvalidated network=" + network +
                 " accept=" + accept + " always=" + always);
@@ -2553,6 +2569,16 @@
                     handleMobileDataAlwaysOn();
                     break;
                 }
+                case EVENT_PUSH_APF_PROGRAM_TO_NETWORK: {
+                    NetworkAgentInfo nai = mNetworkAgentInfos.get(msg.replyTo);
+                    if (nai == null) {
+                        loge("EVENT_PUSH_APF_PROGRAM_TO_NETWORK from unknown NetworkAgent");
+                    } else {
+                         nai.asyncChannel.sendMessage(NetworkAgent.CMD_PUSH_APF_PROGRAM,
+                                 (byte[]) msg.obj);
+                    }
+                    break;
+                }
                 // Sent by KeepaliveTracker to process an app request on the state machine thread.
                 case NetworkAgent.CMD_START_PACKET_KEEPALIVE: {
                     mKeepaliveTracker.handleStartKeepalive(msg);
@@ -4068,6 +4094,9 @@
         if (networkAgent.clatd != null) {
             networkAgent.clatd.fixupLinkProperties(oldLp);
         }
+        if (networkAgent.apfFilter != null) {
+            networkAgent.apfFilter.updateFilter();
+        }
 
         updateInterfaces(newLp, oldLp, netId);
         updateMtu(newLp, oldLp);
diff --git a/services/core/java/com/android/server/InputMethodManagerService.java b/services/core/java/com/android/server/InputMethodManagerService.java
index 63c9822..3b6c62b 100644
--- a/services/core/java/com/android/server/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/InputMethodManagerService.java
@@ -1960,14 +1960,6 @@
             throw new IllegalArgumentException("Unknown id: " + id);
         }
 
-        if (mCurClient != null && mCurAttribute != null) {
-            // We have already made sure that the package name belongs to the application's UID.
-            // No further UID check is required.
-            if (SystemConfig.getInstance().getFixedImeApps().contains(mCurAttribute.packageName)) {
-                return;
-            }
-        }
-
         // See if we need to notify a subtype change within the same IME.
         if (id.equals(mCurMethodId)) {
             final int subtypeCount = info.getSubtypeCount();
diff --git a/services/core/java/com/android/server/NetworkManagementService.java b/services/core/java/com/android/server/NetworkManagementService.java
index 799d0bd..329f716 100644
--- a/services/core/java/com/android/server/NetworkManagementService.java
+++ b/services/core/java/com/android/server/NetworkManagementService.java
@@ -22,8 +22,10 @@
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_DOZABLE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NAME_DOZABLE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NAME_NONE;
+import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NAME_POWERSAVE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NAME_STANDBY;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NONE;
+import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_POWERSAVE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_STANDBY;
 import static android.net.NetworkPolicyManager.FIREWALL_RULE_DEFAULT;
 import static android.net.NetworkPolicyManager.FIREWALL_TYPE_BLACKLIST;
@@ -43,7 +45,6 @@
 import static com.android.server.NetworkManagementService.NetdResponseCode.TetheringStatsListResult;
 import static com.android.server.NetworkManagementService.NetdResponseCode.TtyListResult;
 import static com.android.server.NetworkManagementSocketTagger.PROP_QTAGUID_ENABLED;
-
 import android.annotation.NonNull;
 import android.app.ActivityManagerNative;
 import android.content.Context;
@@ -226,6 +227,12 @@
      */
     @GuardedBy("mQuotaLock")
     private SparseIntArray mUidFirewallDozableRules = new SparseIntArray();
+    /**
+     * Set of UIDs that are to be blocked/allowed by firewall controller.  This set of Ids matches
+     * to device on power-save mode.
+     */
+    @GuardedBy("mQuotaLock")
+    private SparseIntArray mUidFirewallPowerSaveRules = new SparseIntArray();
     /** Set of states for the child firewall chains. True if the chain is active. */
     @GuardedBy("mQuotaLock")
     final SparseBooleanArray mFirewallChainStates = new SparseBooleanArray();
@@ -286,8 +293,8 @@
         Watchdog.getInstance().addMonitor(this);
     }
 
-    static NetworkManagementService create(Context context,
-            String socket) throws InterruptedException {
+    static NetworkManagementService create(Context context, String socket)
+            throws InterruptedException {
         final NetworkManagementService service = new NetworkManagementService(context, socket);
         final CountDownLatch connectedSignal = service.mConnectedSignal;
         if (DBG) Slog.d(TAG, "Creating NetworkManagementService");
@@ -303,8 +310,15 @@
     }
 
     public void systemReady() {
-        prepareNativeDaemon();
-        if (DBG) Slog.d(TAG, "Prepared");
+        if (DBG) {
+            final long start = System.currentTimeMillis();
+            prepareNativeDaemon();
+            final long delta = System.currentTimeMillis() - start;
+            Slog.d(TAG, "Prepared in " + delta + "ms");
+            return;
+        } else {
+            prepareNativeDaemon();
+        }
     }
 
     private IBatteryStats getBatteryStats() {
@@ -339,8 +353,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).interfaceStatusChanged(iface, up);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -358,8 +371,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).interfaceLinkStateChanged(iface, up);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -376,8 +388,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).interfaceAdded(iface);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -399,8 +410,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).interfaceRemoved(iface);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -417,8 +427,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).limitReached(limitName, iface);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -476,8 +485,7 @@
                     try {
                         mObservers.getBroadcastItem(i).interfaceClassDataActivityChanged(
                                 Integer.toString(type), isActive, tsNanos);
-                    } catch (RemoteException e) {
-                    } catch (RuntimeException e) {
+                    } catch (RemoteException | RuntimeException e) {
                     }
                 }
             } finally {
@@ -520,7 +528,7 @@
                 Log.wtf(TAG, "problem enabling bandwidth controls", e);
             }
         } else {
-            Slog.d(TAG, "not enabling bandwidth control");
+            Slog.i(TAG, "not enabling bandwidth control");
         }
 
         SystemProperties.set(PROP_QTAGUID_ENABLED, mBandwidthControlEnabled ? "1" : "0");
@@ -543,7 +551,7 @@
         synchronized (mQuotaLock) {
             int size = mActiveQuotas.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active quota rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active quota rules");
                 final HashMap<String, Long> activeQuotas = mActiveQuotas;
                 mActiveQuotas = Maps.newHashMap();
                 for (Map.Entry<String, Long> entry : activeQuotas.entrySet()) {
@@ -553,7 +561,7 @@
 
             size = mActiveAlerts.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active alert rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active alert rules");
                 final HashMap<String, Long> activeAlerts = mActiveAlerts;
                 mActiveAlerts = Maps.newHashMap();
                 for (Map.Entry<String, Long> entry : activeAlerts.entrySet()) {
@@ -563,7 +571,7 @@
 
             size = mUidRejectOnQuota.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active UID rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active UID rules");
                 final SparseBooleanArray uidRejectOnQuota = mUidRejectOnQuota;
                 mUidRejectOnQuota = new SparseBooleanArray();
                 for (int i = 0; i < uidRejectOnQuota.size(); i++) {
@@ -573,7 +581,7 @@
 
             size = mUidCleartextPolicy.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active UID cleartext policies");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active UID cleartext policies");
                 final SparseIntArray local = mUidCleartextPolicy;
                 mUidCleartextPolicy = new SparseIntArray();
                 for (int i = 0; i < local.size(); i++) {
@@ -585,7 +593,7 @@
 
             size = mUidFirewallRules.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active firewall UID rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active firewall UID rules");
                 final SparseIntArray uidFirewallRules = mUidFirewallRules;
                 mUidFirewallRules = new SparseIntArray();
                 for (int i = 0; i < uidFirewallRules.size(); i++) {
@@ -596,7 +604,7 @@
 
             size = mUidFirewallStandbyRules.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active firewall standby UID rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active firewall standby UID rules");
                 final SparseIntArray uidFirewallRules = mUidFirewallStandbyRules;
                 mUidFirewallStandbyRules = new SparseIntArray();
                 for (int i = 0; i < uidFirewallRules.size(); i++) {
@@ -610,7 +618,7 @@
 
             size = mUidFirewallDozableRules.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active firewall dozable UID rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active firewall dozable UID rules");
                 final SparseIntArray uidFirewallRules = mUidFirewallDozableRules;
                 mUidFirewallDozableRules = new SparseIntArray();
                 for (int i = 0; i < uidFirewallRules.size(); i++) {
@@ -621,6 +629,20 @@
             if (mFirewallChainStates.get(FIREWALL_CHAIN_DOZABLE)) {
                 setFirewallChainEnabled(FIREWALL_CHAIN_DOZABLE, true);
             }
+
+            size = mUidFirewallPowerSaveRules.size();
+            if (size > 0) {
+                Slog.d(TAG, "Pushing " + size + " active firewall powersave UID rules");
+                final SparseIntArray uidFirewallRules = mUidFirewallPowerSaveRules;
+                mUidFirewallPowerSaveRules = new SparseIntArray();
+                for (int i = 0; i < uidFirewallRules.size(); i++) {
+                    setFirewallUidRuleInternal(FIREWALL_CHAIN_POWERSAVE, uidFirewallRules.keyAt(i),
+                            uidFirewallRules.valueAt(i));
+                }
+            }
+            if (mFirewallChainStates.get(FIREWALL_CHAIN_POWERSAVE)) {
+                setFirewallChainEnabled(FIREWALL_CHAIN_POWERSAVE, true);
+            }
         }
     }
 
@@ -633,8 +655,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).addressUpdated(iface, address);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -651,8 +672,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).addressRemoved(iface, address);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -670,8 +690,7 @@
                 try {
                     mObservers.getBroadcastItem(i).interfaceDnsServerInfo(iface, lifetime,
                         addresses);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -692,8 +711,7 @@
                     } else {
                         mObservers.getBroadcastItem(i).routeRemoved(route);
                     }
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -1210,7 +1228,7 @@
         // TODO: remove from aidl if nobody calls externally
         mContext.enforceCallingOrSelfPermission(SHUTDOWN, TAG);
 
-        Slog.d(TAG, "Shutting down");
+        Slog.i(TAG, "Shutting down");
     }
 
     @Override
@@ -2023,6 +2041,9 @@
                     case FIREWALL_CHAIN_DOZABLE:
                         chainName = FIREWALL_CHAIN_NAME_DOZABLE;
                         break;
+                    case FIREWALL_CHAIN_POWERSAVE:
+                        chainName = FIREWALL_CHAIN_NAME_POWERSAVE;
+                        break;
                     default:
                         throw new IllegalArgumentException("Bad child chain: " + chain);
                 }
@@ -2039,6 +2060,8 @@
                 return FIREWALL_TYPE_BLACKLIST;
             case FIREWALL_CHAIN_DOZABLE:
                 return FIREWALL_TYPE_WHITELIST;
+            case FIREWALL_CHAIN_POWERSAVE:
+                return FIREWALL_TYPE_WHITELIST;
             default:
                 return isFirewallEnabled() ? FIREWALL_TYPE_WHITELIST : FIREWALL_TYPE_BLACKLIST;
         }
@@ -2138,6 +2161,8 @@
                 return mUidFirewallStandbyRules;
             case FIREWALL_CHAIN_DOZABLE:
                 return mUidFirewallDozableRules;
+            case FIREWALL_CHAIN_POWERSAVE:
+                return mUidFirewallPowerSaveRules;
             case FIREWALL_CHAIN_NONE:
                 return mUidFirewallRules;
             default:
@@ -2151,6 +2176,8 @@
                 return FIREWALL_CHAIN_NAME_STANDBY;
             case FIREWALL_CHAIN_DOZABLE:
                 return FIREWALL_CHAIN_NAME_DOZABLE;
+            case FIREWALL_CHAIN_POWERSAVE:
+                return FIREWALL_CHAIN_NAME_POWERSAVE;
             case FIREWALL_CHAIN_NONE:
                 return FIREWALL_CHAIN_NAME_NONE;
             default:
@@ -2225,8 +2252,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mNetworkActivityListeners.getBroadcastItem(i).onNetworkActive();
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -2271,43 +2297,25 @@
         }
 
         synchronized (mUidFirewallRules) {
-            pw.print("UID firewall rule: [");
-            final int size = mUidFirewallRules.size();
-            for (int i = 0; i < size; i++) {
-                pw.print(mUidFirewallRules.keyAt(i));
-                pw.print(":");
-                pw.print(mUidFirewallRules.valueAt(i));
-                if (i < size - 1) pw.print(",");
-            }
-            pw.println("]");
+            dumpUidFirewallRule(pw, "", mUidFirewallRules);
         }
 
         pw.println("UID firewall standby chain enabled: " +
                 mFirewallChainStates.get(FIREWALL_CHAIN_STANDBY));
         synchronized (mUidFirewallStandbyRules) {
-            pw.print("UID firewall standby rule: [");
-            final int size = mUidFirewallStandbyRules.size();
-            for (int i = 0; i < size; i++) {
-                pw.print(mUidFirewallStandbyRules.keyAt(i));
-                pw.print(":");
-                pw.print(mUidFirewallStandbyRules.valueAt(i));
-                if (i < size - 1) pw.print(",");
-            }
-            pw.println("]");
+            dumpUidFirewallRule(pw, FIREWALL_CHAIN_NAME_STANDBY, mUidFirewallStandbyRules);
         }
 
         pw.println("UID firewall dozable chain enabled: " +
                 mFirewallChainStates.get(FIREWALL_CHAIN_DOZABLE));
         synchronized (mUidFirewallDozableRules) {
-            pw.print("UID firewall dozable rule: [");
-            final int size = mUidFirewallDozableRules.size();
-            for (int i = 0; i < size; i++) {
-                pw.print(mUidFirewallDozableRules.keyAt(i));
-                pw.print(":");
-                pw.print(mUidFirewallDozableRules.valueAt(i));
-                if (i < size - 1) pw.print(",");
-            }
-            pw.println("]");
+            dumpUidFirewallRule(pw, FIREWALL_CHAIN_NAME_DOZABLE, mUidFirewallDozableRules);
+        }
+
+        pw.println("UID firewall powersave chain enabled: " +
+                mFirewallChainStates.get(FIREWALL_CHAIN_POWERSAVE));
+        synchronized (mUidFirewallPowerSaveRules) {
+            dumpUidFirewallRule(pw, FIREWALL_CHAIN_NAME_POWERSAVE, mUidFirewallPowerSaveRules);
         }
 
         synchronized (mIdleTimerLock) {
@@ -2324,6 +2332,20 @@
         pw.print("Firewall enabled: "); pw.println(mFirewallEnabled);
     }
 
+    private void dumpUidFirewallRule(PrintWriter pw, String name, SparseIntArray rules) {
+        pw.print("UID firewall");
+        pw.print(name);
+        pw.print(" rule: [");
+        final int size = rules.size();
+        for (int i = 0; i < size; i++) {
+            pw.print(rules.keyAt(i));
+            pw.print(":");
+            pw.print(rules.valueAt(i));
+            if (i < size - 1) pw.print(",");
+        }
+        pw.println("]");
+    }
+
     @Override
     public void createPhysicalNetwork(int netId, String permission) {
         mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index f4c6225..11aef17 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -58,7 +58,7 @@
     private static final String TAG = "NsdService";
     private static final String MDNS_TAG = "mDnsConnector";
 
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
 
     private Context mContext;
     private ContentResolver mContentResolver;
diff --git a/services/core/java/com/android/server/RecoverySystemService.java b/services/core/java/com/android/server/RecoverySystemService.java
index d237fe7..d284d07 100644
--- a/services/core/java/com/android/server/RecoverySystemService.java
+++ b/services/core/java/com/android/server/RecoverySystemService.java
@@ -17,6 +17,8 @@
 package com.android.server;
 
 import android.content.Context;
+import android.net.LocalSocket;
+import android.net.LocalSocketAddress;
 import android.os.IRecoverySystem;
 import android.os.IRecoverySystemProgressListener;
 import android.os.RecoverySystem;
@@ -26,9 +28,11 @@
 import android.system.Os;
 import android.util.Slog;
 
-import java.io.BufferedReader;
+import libcore.io.IoUtils;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.File;
-import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
 
@@ -43,10 +47,10 @@
     private static final String TAG = "RecoverySystemService";
     private static final boolean DEBUG = false;
 
-    // A pipe file to monitor the uncrypt progress.
-    private static final String UNCRYPT_STATUS_FILE = "/cache/recovery/uncrypt_status";
-    // Temporary command file to communicate between the system server and uncrypt.
-    private static final String COMMAND_FILE = "/cache/recovery/command";
+    // The socket at /dev/socket/uncrypt to communicate with uncrypt.
+    private static final String UNCRYPT_SOCKET = "uncrypt";
+
+    private static final int SOCKET_CONNECTION_MAX_RETRY = 30;
 
     private Context mContext;
 
@@ -79,60 +83,63 @@
                 return false;
             }
 
-            // Create the status pipe file to communicate with uncrypt.
-            new File(UNCRYPT_STATUS_FILE).delete();
-            try {
-                Os.mkfifo(UNCRYPT_STATUS_FILE, 0600);
-            } catch (ErrnoException e) {
-                Slog.e(TAG, "ErrnoException when creating named pipe \"" + UNCRYPT_STATUS_FILE +
-                        "\": " + e.getMessage());
-                return false;
-            }
-
             // Trigger uncrypt via init.
             SystemProperties.set("ctl.start", "uncrypt");
 
-            // Read the status from the pipe.
-            try (BufferedReader reader = new BufferedReader(new FileReader(UNCRYPT_STATUS_FILE))) {
+            // Connect to the uncrypt service socket.
+            LocalSocket socket = connectService();
+            if (socket == null) {
+                Slog.e(TAG, "Failed to connect to uncrypt socket");
+                return false;
+            }
+
+            // Read the status from the socket.
+            try (DataInputStream dis = new DataInputStream(socket.getInputStream());
+                    DataOutputStream dos = new DataOutputStream(socket.getOutputStream())) {
                 int lastStatus = Integer.MIN_VALUE;
                 while (true) {
-                    String str = reader.readLine();
-                    try {
-                        int status = Integer.parseInt(str);
+                    int status = dis.readInt();
+                    // Avoid flooding the log with the same message.
+                    if (status == lastStatus && lastStatus != Integer.MIN_VALUE) {
+                        continue;
+                    }
+                    lastStatus = status;
 
-                        // Avoid flooding the log with the same message.
-                        if (status == lastStatus && lastStatus != Integer.MIN_VALUE) {
-                            continue;
-                        }
-                        lastStatus = status;
-
-                        if (status >= 0 && status <= 100) {
-                            // Update status
-                            Slog.i(TAG, "uncrypt read status: " + status);
-                            if (listener != null) {
-                                try {
-                                    listener.onProgress(status);
-                                } catch (RemoteException unused) {
-                                    Slog.w(TAG, "RemoteException when posting progress");
-                                }
+                    if (status >= 0 && status <= 100) {
+                        // Update status
+                        Slog.i(TAG, "uncrypt read status: " + status);
+                        if (listener != null) {
+                            try {
+                                listener.onProgress(status);
+                            } catch (RemoteException unused) {
+                                Slog.w(TAG, "RemoteException when posting progress");
                             }
-                            if (status == 100) {
-                                Slog.i(TAG, "uncrypt successfully finished.");
-                                break;
-                            }
-                        } else {
-                            // Error in /system/bin/uncrypt.
-                            Slog.e(TAG, "uncrypt failed with status: " + status);
-                            return false;
                         }
-                    } catch (NumberFormatException unused) {
-                        Slog.e(TAG, "uncrypt invalid status received: " + str);
+                        if (status == 100) {
+                            Slog.i(TAG, "uncrypt successfully finished.");
+                            // Ack receipt of the final status code. uncrypt
+                            // waits for the ack so the socket won't be
+                            // destroyed before we receive the code.
+                            dos.writeInt(0);
+                            dos.flush();
+                            break;
+                        }
+                    } else {
+                        // Error in /system/bin/uncrypt.
+                        Slog.e(TAG, "uncrypt failed with status: " + status);
+                        // Ack receipt of the final status code. uncrypt waits
+                        // for the ack so the socket won't be destroyed before
+                        // we receive the code.
+                        dos.writeInt(0);
+                        dos.flush();
                         return false;
                     }
                 }
-            } catch (IOException unused) {
-                Slog.e(TAG, "IOException when reading \"" + UNCRYPT_STATUS_FILE + "\".");
+            } catch (IOException e) {
+                Slog.e(TAG, "IOException when reading status: " + e);
                 return false;
+            } finally {
+                IoUtils.closeQuietly(socket);
             }
 
             return true;
@@ -150,29 +157,35 @@
             return setupOrClearBcb(true, command);
         }
 
-        private boolean setupOrClearBcb(boolean isSetup, String command) {
-            mContext.enforceCallingOrSelfPermission(android.Manifest.permission.RECOVERY, null);
-
-            if (isSetup) {
-                // Set up the command file to be read by uncrypt.
-                try (FileWriter commandFile = new FileWriter(COMMAND_FILE)) {
-                    commandFile.write(command + "\n");
-                } catch (IOException e) {
-                    Slog.e(TAG, "IOException when writing \"" + COMMAND_FILE +
-                            "\": " + e.getMessage());
-                    return false;
+        private LocalSocket connectService() {
+            LocalSocket socket = new LocalSocket();
+            boolean done = false;
+            // The uncrypt socket will be created by init upon receiving the
+            // service request. It may not be ready by this point. So we will
+            // keep retrying until success or reaching timeout.
+            for (int retry = 0; retry < SOCKET_CONNECTION_MAX_RETRY; retry++) {
+                try {
+                    socket.connect(new LocalSocketAddress(UNCRYPT_SOCKET,
+                            LocalSocketAddress.Namespace.RESERVED));
+                    done = true;
+                    break;
+                } catch (IOException unused) {
+                    try {
+                        Thread.sleep(1000);
+                    } catch (InterruptedException e) {
+                        Slog.w(TAG, "Interrupted: " + e);
+                    }
                 }
             }
-
-            // Create the status pipe file to communicate with uncrypt.
-            new File(UNCRYPT_STATUS_FILE).delete();
-            try {
-                Os.mkfifo(UNCRYPT_STATUS_FILE, 0600);
-            } catch (ErrnoException e) {
-                Slog.e(TAG, "ErrnoException when creating named pipe \"" +
-                        UNCRYPT_STATUS_FILE + "\": " + e.getMessage());
-                return false;
+            if (!done) {
+                Slog.e(TAG, "Timed out connecting to uncrypt socket");
+                return null;
             }
+            return socket;
+        }
+
+        private boolean setupOrClearBcb(boolean isSetup, String command) {
+            mContext.enforceCallingOrSelfPermission(android.Manifest.permission.RECOVERY, null);
 
             if (isSetup) {
                 SystemProperties.set("ctl.start", "setup-bcb");
@@ -180,34 +193,45 @@
                 SystemProperties.set("ctl.start", "clear-bcb");
             }
 
-            // Read the status from the pipe.
-            try (BufferedReader reader = new BufferedReader(new FileReader(UNCRYPT_STATUS_FILE))) {
-                while (true) {
-                    String str = reader.readLine();
-                    try {
-                        int status = Integer.parseInt(str);
-
-                        if (status == 100) {
-                            Slog.i(TAG, "uncrypt " + (isSetup ? "setup" : "clear") +
-                                    " bcb successfully finished.");
-                            break;
-                        } else {
-                            // Error in /system/bin/uncrypt.
-                            Slog.e(TAG, "uncrypt failed with status: " + status);
-                            return false;
-                        }
-                    } catch (NumberFormatException unused) {
-                        Slog.e(TAG, "uncrypt invalid status received: " + str);
-                        return false;
-                    }
-                }
-            } catch (IOException unused) {
-                Slog.e(TAG, "IOException when reading \"" + UNCRYPT_STATUS_FILE + "\".");
+            // Connect to the uncrypt service socket.
+            LocalSocket socket = connectService();
+            if (socket == null) {
+                Slog.e(TAG, "Failed to connect to uncrypt socket");
                 return false;
             }
 
-            // Delete the command file as we don't need it anymore.
-            new File(COMMAND_FILE).delete();
+            try (DataInputStream dis = new DataInputStream(socket.getInputStream());
+                    DataOutputStream dos = new DataOutputStream(socket.getOutputStream())) {
+                // Send the BCB commands if it's to setup BCB.
+                if (isSetup) {
+                    dos.writeInt(command.length());
+                    dos.writeBytes(command);
+                    dos.flush();
+                }
+
+                // Read the status from the socket.
+                int status = dis.readInt();
+
+                // Ack receipt of the status code. uncrypt waits for the ack so
+                // the socket won't be destroyed before we receive the code.
+                dos.writeInt(0);
+                dos.flush();
+
+                if (status == 100) {
+                    Slog.i(TAG, "uncrypt " + (isSetup ? "setup" : "clear") +
+                            " bcb successfully finished.");
+                } else {
+                    // Error in /system/bin/uncrypt.
+                    Slog.e(TAG, "uncrypt failed with status: " + status);
+                    return false;
+                }
+            } catch (IOException e) {
+                Slog.e(TAG, "IOException when getting output stream: " + e);
+                return false;
+            } finally {
+                IoUtils.closeQuietly(socket);
+            }
+
             return true;
         }
     }
diff --git a/services/core/java/com/android/server/SystemConfig.java b/services/core/java/com/android/server/SystemConfig.java
index 1c1784e..73d8bdd 100644
--- a/services/core/java/com/android/server/SystemConfig.java
+++ b/services/core/java/com/android/server/SystemConfig.java
@@ -105,9 +105,6 @@
     // background while in data-usage save mode, as read from the configuration files.
     final ArraySet<String> mAllowInDataUsageSave = new ArraySet<>();
 
-    // These are the app package names that should not allow IME switching.
-    final ArraySet<String> mFixedImeApps = new ArraySet<>();
-
     // These are the package names of apps which should be in the 'always'
     // URL-handling state upon factory reset.
     final ArraySet<String> mLinkedApps = new ArraySet<>();
@@ -159,10 +156,6 @@
         return mAllowInDataUsageSave;
     }
 
-    public ArraySet<String> getFixedImeApps() {
-        return mFixedImeApps;
-    }
-
     public ArraySet<String> getLinkedApps() {
         return mLinkedApps;
     }
@@ -411,17 +404,6 @@
                     XmlUtils.skipCurrentTag(parser);
                     continue;
 
-                } else if ("fixed-ime-app".equals(name) && allowAll) {
-                    String pkgname = parser.getAttributeValue(null, "package");
-                    if (pkgname == null) {
-                        Slog.w(TAG, "<fixed-ime-app> without package in " + permFile + " at "
-                                + parser.getPositionDescription());
-                    } else {
-                        mFixedImeApps.add(pkgname);
-                    }
-                    XmlUtils.skipCurrentTag(parser);
-                    continue;
-
                 } else if ("app-link".equals(name) && allowAppConfigs) {
                     String pkgname = parser.getAttributeValue(null, "package");
                     if (pkgname == null) {
diff --git a/services/core/java/com/android/server/TextServicesManagerService.java b/services/core/java/com/android/server/TextServicesManagerService.java
index c4b4cbe..0f9a25b 100644
--- a/services/core/java/com/android/server/TextServicesManagerService.java
+++ b/services/core/java/com/android/server/TextServicesManagerService.java
@@ -76,11 +76,9 @@
     private final Context mContext;
     private boolean mSystemReady;
     private final TextServicesMonitor mMonitor;
-    private final HashMap<String, SpellCheckerInfo> mSpellCheckerMap =
-            new HashMap<String, SpellCheckerInfo>();
-    private final ArrayList<SpellCheckerInfo> mSpellCheckerList = new ArrayList<SpellCheckerInfo>();
-    private final HashMap<String, SpellCheckerBindGroup> mSpellCheckerBindGroups =
-            new HashMap<String, SpellCheckerBindGroup>();
+    private final HashMap<String, SpellCheckerInfo> mSpellCheckerMap = new HashMap<>();
+    private final ArrayList<SpellCheckerInfo> mSpellCheckerList = new ArrayList<>();
+    private final HashMap<String, SpellCheckerBindGroup> mSpellCheckerBindGroups = new HashMap<>();
     private final TextServicesSettings mSettings;
 
     public void systemRunning() {
@@ -615,8 +613,7 @@
             Slog.d(TAG, "FinishSpellCheckerService");
         }
         synchronized(mSpellCheckerMap) {
-            final ArrayList<SpellCheckerBindGroup> removeList =
-                    new ArrayList<SpellCheckerBindGroup>();
+            final ArrayList<SpellCheckerBindGroup> removeList = new ArrayList<>();
             for (SpellCheckerBindGroup group : mSpellCheckerBindGroups.values()) {
                 if (group == null) continue;
                 // Use removeList to avoid modifying mSpellCheckerBindGroups in this loop.
@@ -811,7 +808,7 @@
         private final String TAG = SpellCheckerBindGroup.class.getSimpleName();
         private final InternalServiceConnection mInternalConnection;
         private final CopyOnWriteArrayList<InternalDeathRecipient> mListeners =
-                new CopyOnWriteArrayList<InternalDeathRecipient>();
+                new CopyOnWriteArrayList<>();
         public boolean mBound;
         public ISpellCheckerService mSpellChecker;
         public boolean mConnected;
@@ -885,8 +882,7 @@
             }
             synchronized(mSpellCheckerMap) {
                 final int size = mListeners.size();
-                final ArrayList<InternalDeathRecipient> removeList =
-                        new ArrayList<InternalDeathRecipient>();
+                final ArrayList<InternalDeathRecipient> removeList = new ArrayList<>();
                 for (int i = 0; i < size; ++i) {
                     final InternalDeathRecipient tempRecipient = mListeners.get(i);
                     if(tempRecipient.hasSpellCheckerListener(listener)) {
diff --git a/services/core/java/com/android/server/am/ActiveServices.java b/services/core/java/com/android/server/am/ActiveServices.java
index 8c0ec78..63a0e87 100755
--- a/services/core/java/com/android/server/am/ActiveServices.java
+++ b/services/core/java/com/android/server/am/ActiveServices.java
@@ -319,7 +319,7 @@
                         + " (pid=" + Binder.getCallingPid()
                         + ") when starting service " + service);
             }
-            callerFg = callerApp.setSchedGroup != Process.THREAD_GROUP_BG_NONINTERACTIVE;
+            callerFg = callerApp.setSchedGroup != ProcessList.SCHED_GROUP_BACKGROUND;
         } else {
             callerFg = true;
         }
@@ -831,7 +831,7 @@
                     "BIND_TREAT_LIKE_ACTIVITY");
         }
 
-        final boolean callerFg = callerApp.setSchedGroup != Process.THREAD_GROUP_BG_NONINTERACTIVE;
+        final boolean callerFg = callerApp.setSchedGroup != ProcessList.SCHED_GROUP_BACKGROUND;
         final boolean isBindExternal = (flags & Context.BIND_EXTERNAL_SERVICE) != 0;
 
         ServiceLookupResult res =
@@ -1138,7 +1138,7 @@
                         for (int i=b.apps.size()-1; i>=0; i--) {
                             ProcessRecord client = b.apps.valueAt(i).client;
                             if (client != null && client.setSchedGroup
-                                    != Process.THREAD_GROUP_BG_NONINTERACTIVE) {
+                                    != ProcessList.SCHED_GROUP_BACKGROUND) {
                                 inFg = true;
                                 break;
                             }
diff --git a/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java b/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
index 4f0d4d9..f2bf4f9 100644
--- a/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
+++ b/services/core/java/com/android/server/am/ActivityManagerDebugConfig.java
@@ -46,6 +46,7 @@
 
     // Available log categories in the activity manager package.
     static final boolean DEBUG_ADD_REMOVE = DEBUG_ALL_ACTIVITIES || false;
+    static final boolean DEBUG_ANR = false;
     static final boolean DEBUG_APP = DEBUG_ALL_ACTIVITIES || false;
     static final boolean DEBUG_BACKUP = DEBUG_ALL || false;
     static final boolean DEBUG_BROADCAST = DEBUG_ALL || false;
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 565ec82..8df5b2c 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -101,6 +101,8 @@
 import android.app.PendingIntent;
 import android.app.ProfilerInfo;
 import android.app.admin.DevicePolicyManager;
+import android.app.admin.DevicePolicyManagerInternal;
+import android.app.admin.IDevicePolicyManager;
 import android.app.assist.AssistContent;
 import android.app.assist.AssistStructure;
 import android.app.backup.IBackupManager;
@@ -284,6 +286,7 @@
 import static com.android.internal.util.XmlUtils.writeIntAttribute;
 import static com.android.internal.util.XmlUtils.writeLongAttribute;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ALL;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ANR;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BACKUP;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BROADCAST;
 import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_BROADCAST_BACKGROUND;
@@ -4373,7 +4376,7 @@
                     AppGlobals.getPackageManager().queryIntentActivities(
                             intent, r.resolvedType,
                             PackageManager.MATCH_DEFAULT_ONLY | STOCK_PM_FLAGS,
-                            UserHandle.getCallingUserId());
+                            UserHandle.getCallingUserId()).getList();
 
                 // Look for the original activity in the list...
                 final int N = resolves != null ? resolves.size() : 0;
@@ -5091,8 +5094,13 @@
                     int num = firstPids.size();
                     for (int i = 0; i < num; i++) {
                         synchronized (observer) {
+                            if (DEBUG_ANR) Slog.d(TAG, "Collecting stacks for pid "
+                                    + firstPids.get(i));
+                            final long sime = SystemClock.elapsedRealtime();
                             Process.sendSignal(firstPids.get(i), Process.SIGNAL_QUIT);
-                            observer.wait(200);  // Wait for write-close, give up after 200msec
+                            observer.wait(1000);  // Wait for write-close, give up after 1 sec
+                            if (DEBUG_ANR) Slog.d(TAG, "Done with pid " + firstPids.get(i)
+                                    + " in " + (SystemClock.elapsedRealtime()-sime) + "ms");
                         }
                     }
                 } catch (InterruptedException e) {
@@ -5105,7 +5113,11 @@
                 int[] pids = Process.getPidsForCommands(nativeProcs);
                 if (pids != null) {
                     for (int pid : pids) {
+                        if (DEBUG_ANR) Slog.d(TAG, "Collecting stacks for native pid " + pid);
+                        final long sime = SystemClock.elapsedRealtime();
                         Debug.dumpNativeBacktraceToFile(pid, tracesPath);
+                        if (DEBUG_ANR) Slog.d(TAG, "Done with native pid " + pid
+                                + " in " + (SystemClock.elapsedRealtime()-sime) + "ms");
                     }
                 }
             }
@@ -5132,13 +5144,20 @@
                         numProcs++;
                         try {
                             synchronized (observer) {
+                                if (DEBUG_ANR) Slog.d(TAG, "Collecting stacks for extra pid "
+                                        + stats.pid);
+                                final long stime = SystemClock.elapsedRealtime();
                                 Process.sendSignal(stats.pid, Process.SIGNAL_QUIT);
-                                observer.wait(200);  // Wait for write-close, give up after 200msec
+                                observer.wait(1000);  // Wait for write-close, give up after 1 sec
+                                if (DEBUG_ANR) Slog.d(TAG, "Done with extra pid " + stats.pid
+                                        + " in " + (SystemClock.elapsedRealtime()-stime) + "ms");
                             }
                         } catch (InterruptedException e) {
                             Slog.wtf(TAG, e);
                         }
-
+                    } else if (DEBUG_ANR) {
+                        Slog.d(TAG, "Skipping next CPU consuming process, not a java proc: "
+                                + stats.pid);
                     }
                 }
             }
@@ -5244,9 +5263,13 @@
     public boolean clearApplicationUserData(final String packageName,
             final IPackageDataObserver observer, int userId) {
         enforceNotIsolatedCaller("clearApplicationUserData");
-        if (packageName != null && packageName.equals(mDeviceOwnerName)) {
-            throw new SecurityException("Clearing DeviceOwner data is forbidden.");
+
+        final DevicePolicyManagerInternal dpmi = LocalServices
+                .getService(DevicePolicyManagerInternal.class);
+        if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) {
+            throw new SecurityException("Cannot clear data for a device owner or a profile owner");
         }
+
         int uid = Binder.getCallingUid();
         int pid = Binder.getCallingPid();
         userId = mUserController.handleIncomingUser(pid, uid, userId, false,
@@ -6212,7 +6235,7 @@
 
         app.makeActive(thread, mProcessStats);
         app.curAdj = app.setAdj = ProcessList.INVALID_ADJ;
-        app.curSchedGroup = app.setSchedGroup = Process.THREAD_GROUP_DEFAULT;
+        app.curSchedGroup = app.setSchedGroup = ProcessList.SCHED_GROUP_DEFAULT;
         app.forcingToForeground = null;
         updateProcessForegroundLocked(app, false, false);
         app.hasShownUi = false;
@@ -6270,9 +6293,10 @@
             // If the app is being launched for restore or full backup, set it up specially
             boolean isRestrictedBackupMode = false;
             if (mBackupTarget != null && mBackupAppName.equals(processName)) {
-                isRestrictedBackupMode = (mBackupTarget.backupMode == BackupRecord.RESTORE)
-                        || (mBackupTarget.backupMode == BackupRecord.RESTORE_FULL)
-                        || (mBackupTarget.backupMode == BackupRecord.BACKUP_FULL);
+                isRestrictedBackupMode = mBackupTarget.appInfo.uid >= Process.FIRST_APPLICATION_UID
+                        && ((mBackupTarget.backupMode == BackupRecord.RESTORE)
+                                || (mBackupTarget.backupMode == BackupRecord.RESTORE_FULL)
+                                || (mBackupTarget.backupMode == BackupRecord.BACKUP_FULL));
             }
 
             notifyPackageUse(app.instrumentationInfo != null
@@ -9203,7 +9227,7 @@
         // Kill the running processes.
         for (int i = 0; i < procsToKill.size(); i++) {
             ProcessRecord pr = procsToKill.get(i);
-            if (pr.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+            if (pr.setSchedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                     && pr.curReceiver == null) {
                 pr.kill("remove task", true);
             } else {
@@ -9617,6 +9641,20 @@
     }
 
     @Override
+    public void resizePinnedStack(Rect pinnedBounds, Rect tempPinnedTaskBounds) {
+        enforceCallingPermission(android.Manifest.permission.MANAGE_ACTIVITY_STACKS,
+                "resizePinnedStack()");
+        final long ident = Binder.clearCallingIdentity();
+        try {
+            synchronized (this) {
+                mStackSupervisor.resizePinnedStackLocked(pinnedBounds, tempPinnedTaskBounds);
+            }
+        } finally {
+            Binder.restoreCallingIdentity(ident);
+        }
+    }
+
+    @Override
     public void positionTaskInStack(int taskId, int stackId, int position) {
         enforceCallingPermission(MANAGE_ACTIVITY_STACKS, "positionTaskInStack()");
         if (stackId == HOME_STACK_ID) {
@@ -9870,11 +9908,11 @@
     private final List<ProviderInfo> generateApplicationProvidersLocked(ProcessRecord app) {
         List<ProviderInfo> providers = null;
         try {
-            ParceledListSlice<ProviderInfo> slice = AppGlobals.getPackageManager()
+            providers = AppGlobals.getPackageManager()
                     .queryContentProviders(app.processName, app.uid,
                             STOCK_PM_FLAGS | PackageManager.GET_URI_PERMISSION_PATTERNS
-                                    | MATCH_DEBUG_TRIAGED_MISSING);
-            providers = slice != null ? slice.getList() : null;
+                                    | MATCH_DEBUG_TRIAGED_MISSING)
+                    .getList();
         } catch (RemoteException ex) {
         }
         if (DEBUG_MU) Slog.v(TAG_MU,
@@ -10464,7 +10502,7 @@
                 cpi.packageName, r.userId)) {
 
             final boolean callerForeground = r != null ? r.setSchedGroup
-                    != Process.THREAD_GROUP_BG_NONINTERACTIVE : true;
+                    != ProcessList.SCHED_GROUP_BACKGROUND : true;
 
             // Show a permission review UI only for starting from a foreground app
             if (!callerForeground) {
@@ -10784,12 +10822,13 @@
             return;
         }
 
-        final long token = Binder.clearCallingIdentity();
-        try {
-            mAppErrors.appNotResponding(host, null, null, false, "ContentProvider not responding");
-        } finally {
-            Binder.restoreCallingIdentity(token);
-        }
+        mHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                mAppErrors.appNotResponding(host, null, null, false,
+                        "ContentProvider not responding");
+            }
+        });
     }
 
     public final void installSystemProviders() {
@@ -10824,7 +10863,7 @@
         synchronized (this) {
             try {
                 final List<ApplicationInfo> apps = AppGlobals.getPackageManager()
-                        .getPersistentApplications(STOCK_PM_FLAGS | matchFlags);
+                        .getPersistentApplications(STOCK_PM_FLAGS | matchFlags).getList();
                 for (ApplicationInfo app : apps) {
                     if (!"android".equals(app.packageName)) {
                         addAppLocked(app, false, null /* ABI override */);
@@ -12575,7 +12614,7 @@
         List<ResolveInfo> ris = null;
         try {
             ris = AppGlobals.getPackageManager().queryIntentReceivers(
-                    intent, null, MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM);
+                    intent, null, MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM).getList();
         } catch (RemoteException e) {
         }
         if (ris == null) {
@@ -14780,13 +14819,13 @@
             String oomAdj = ProcessList.makeOomAdjString(r.setAdj);
             char schedGroup;
             switch (r.setSchedGroup) {
-                case Process.THREAD_GROUP_BG_NONINTERACTIVE:
+                case ProcessList.SCHED_GROUP_BACKGROUND:
                     schedGroup = 'B';
                     break;
-                case Process.THREAD_GROUP_DEFAULT:
+                case ProcessList.SCHED_GROUP_DEFAULT:
                     schedGroup = 'F';
                     break;
-                case Process.THREAD_GROUP_TOP_APP:
+                case ProcessList.SCHED_GROUP_TOP_APP:
                     schedGroup = 'T';
                     break;
                 default:
@@ -16924,7 +16963,7 @@
                     continue;
                 }
                 List<ResolveInfo> newReceivers = AppGlobals.getPackageManager()
-                        .queryIntentReceivers(intent, resolvedType, pmFlags, user);
+                        .queryIntentReceivers(intent, resolvedType, pmFlags, user).getList();
                 if (user != UserHandle.USER_SYSTEM && newReceivers != null) {
                     // If this is not the system user, we need to check for
                     // any receivers that should be filtered out.
@@ -17194,10 +17233,11 @@
                             String ssp;
                             if (data != null && (ssp=data.getSchemeSpecificPart()) != null) {
                                 boolean removed = Intent.ACTION_PACKAGE_REMOVED.equals(action);
-                                boolean fullUninstall = removed &&
-                                        !intent.getBooleanExtra(Intent.EXTRA_REPLACING, false);
+                                final boolean replacing =
+                                        intent.getBooleanExtra(Intent.EXTRA_REPLACING, false);
                                 final boolean killProcess =
                                         !intent.getBooleanExtra(Intent.EXTRA_DONT_KILL_APP, false);
+                                final boolean fullUninstall = removed && !replacing;
                                 if (killProcess) {
                                     forceStopPackageLocked(ssp, UserHandle.getAppId(
                                             intent.getIntExtra(Intent.EXTRA_UID, -1)),
@@ -17205,7 +17245,10 @@
                                             removed ? "pkg removed" : "pkg changed");
                                 }
                                 if (removed) {
-                                    sendPackageBroadcastLocked(IApplicationThread.PACKAGE_REMOVED,
+                                    final int cmd = killProcess
+                                            ? IApplicationThread.PACKAGE_REMOVED
+                                            : IApplicationThread.PACKAGE_REMOVED_DONT_KILL;
+                                    sendPackageBroadcastLocked(cmd,
                                             new String[] {ssp}, userId);
                                     if (fullUninstall) {
                                         mAppOpsService.packageRemoved(
@@ -17240,7 +17283,23 @@
                             break;
                     }
                     break;
+                case Intent.ACTION_PACKAGE_REPLACED:
+                {
+                    final Uri data = intent.getData();
+                    final String ssp;
+                    if (data != null && (ssp = data.getSchemeSpecificPart()) != null) {
+                        final ApplicationInfo aInfo =
+                                getPackageManagerInternalLocked().getApplicationInfo(
+                                        ssp,
+                                        userId);
+                        mStackSupervisor.updateActivityApplicationInfoLocked(aInfo);
+                        sendPackageBroadcastLocked(IApplicationThread.PACKAGE_REPLACED,
+                                new String[] {ssp}, userId);
+                    }
+                    break;
+                }
                 case Intent.ACTION_PACKAGE_ADDED:
+                {
                     // Special case for adding a package: by default turn on compatibility mode.
                     Uri data = intent.getData();
                     String ssp;
@@ -17258,6 +17317,7 @@
                         }
                     }
                     break;
+                }
                 case Intent.ACTION_TIMEZONE_CHANGED:
                     // If this is the time zone changed action, queue up a message that will reset
                     // the timezone of all currently running processes. This message will get
@@ -18321,7 +18381,7 @@
 
         if (app.thread == null) {
             app.adjSeq = mAdjSeq;
-            app.curSchedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+            app.curSchedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
             app.curProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY;
             return (app.curAdj=app.curRawAdj=ProcessList.CACHED_APP_MAX_ADJ);
         }
@@ -18341,7 +18401,7 @@
             app.adjSeq = mAdjSeq;
             app.curRawAdj = app.maxAdj;
             app.foregroundActivities = false;
-            app.curSchedGroup = Process.THREAD_GROUP_DEFAULT;
+            app.curSchedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             app.curProcState = ActivityManager.PROCESS_STATE_PERSISTENT;
             // System processes can do UI, and when they do we want to have
             // them trim their memory after the user leaves the UI.  To
@@ -18378,14 +18438,14 @@
         if (app == TOP_APP) {
             // The last app on the list is the foreground app.
             adj = ProcessList.FOREGROUND_APP_ADJ;
-            schedGroup = Process.THREAD_GROUP_TOP_APP;
+            schedGroup = ProcessList.SCHED_GROUP_TOP_APP;
             app.adjType = "top-activity";
             foregroundActivities = true;
             procState = PROCESS_STATE_CUR_TOP;
         } else if (app.instrumentationClass != null) {
             // Don't want to kill running instrumentation.
             adj = ProcessList.FOREGROUND_APP_ADJ;
-            schedGroup = Process.THREAD_GROUP_DEFAULT;
+            schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             app.adjType = "instrumentation";
             procState = ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE;
         } else if ((queue = isReceivingBroadcast(app)) != null) {
@@ -18395,7 +18455,7 @@
             // broadcast as reflected by which queue it's active in.
             adj = ProcessList.FOREGROUND_APP_ADJ;
             schedGroup = (queue == mFgBroadcastQueue)
-                    ? Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                    ? ProcessList.SCHED_GROUP_DEFAULT : ProcessList.SCHED_GROUP_BACKGROUND;
             app.adjType = "broadcast";
             procState = ActivityManager.PROCESS_STATE_RECEIVER;
         } else if (app.executingServices.size() > 0) {
@@ -18403,13 +18463,13 @@
             // counts as being in the foreground.
             adj = ProcessList.FOREGROUND_APP_ADJ;
             schedGroup = app.execServicesFg ?
-                    Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                    ProcessList.SCHED_GROUP_DEFAULT : ProcessList.SCHED_GROUP_BACKGROUND;
             app.adjType = "exec-service";
             procState = ActivityManager.PROCESS_STATE_SERVICE;
             //Slog.i(TAG, "EXEC " + (app.execServicesFg ? "FG" : "BG") + ": " + app);
         } else {
             // As far as we know the process is empty.  We may change our mind later.
-            schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+            schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
             // At this point we don't actually know the adjustment.  Use the cached adj
             // value that the caller wants us to.
             adj = cachedAdj;
@@ -18438,7 +18498,7 @@
                     if (procState > PROCESS_STATE_CUR_TOP) {
                         procState = PROCESS_STATE_CUR_TOP;
                     }
-                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                     app.cached = false;
                     app.empty = false;
                     foregroundActivities = true;
@@ -18457,7 +18517,7 @@
                     if (procState > PROCESS_STATE_CUR_TOP) {
                         procState = PROCESS_STATE_CUR_TOP;
                     }
-                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                     app.cached = false;
                     app.empty = false;
                     foregroundActivities = true;
@@ -18501,7 +18561,7 @@
                 procState = ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE;
                 app.cached = false;
                 app.adjType = "fg-service";
-                schedGroup = Process.THREAD_GROUP_DEFAULT;
+                schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             } else if (app.forcingToForeground != null) {
                 // The user is aware of this app, so make it visible.
                 adj = ProcessList.PERCEPTIBLE_APP_ADJ;
@@ -18509,7 +18569,7 @@
                 app.cached = false;
                 app.adjType = "force-fg";
                 app.adjSource = app.forcingToForeground;
-                schedGroup = Process.THREAD_GROUP_DEFAULT;
+                schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             }
         }
 
@@ -18517,7 +18577,7 @@
             if (adj > ProcessList.HEAVY_WEIGHT_APP_ADJ) {
                 // We don't want to kill the current heavy-weight process.
                 adj = ProcessList.HEAVY_WEIGHT_APP_ADJ;
-                schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
                 app.cached = false;
                 app.adjType = "heavy";
             }
@@ -18531,7 +18591,7 @@
                 // This process is hosting what we currently consider to be the
                 // home app, so we don't want to let it go into the background.
                 adj = ProcessList.HOME_APP_ADJ;
-                schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
                 app.cached = false;
                 app.adjType = "home";
             }
@@ -18546,7 +18606,7 @@
                 // We want to try to keep it around more aggressively, to give
                 // a good experience around switching between two apps.
                 adj = ProcessList.PREVIOUS_APP_ADJ;
-                schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
                 app.cached = false;
                 app.adjType = "previous";
             }
@@ -18586,7 +18646,7 @@
 
         for (int is = app.services.size()-1;
                 is >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ
-                        || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                        || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                         || procState > ActivityManager.PROCESS_STATE_TOP);
                 is--) {
             ServiceRecord s = app.services.valueAt(is);
@@ -18624,13 +18684,13 @@
             }
             for (int conni = s.connections.size()-1;
                     conni >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ
-                            || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                            || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                             || procState > ActivityManager.PROCESS_STATE_TOP);
                     conni--) {
                 ArrayList<ConnectionRecord> clist = s.connections.valueAt(conni);
                 for (int i = 0;
                         i < clist.size() && (adj > ProcessList.FOREGROUND_APP_ADJ
-                                || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                                || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                                 || procState > ActivityManager.PROCESS_STATE_TOP);
                         i++) {
                     // XXX should compute this based on the max of
@@ -18722,7 +18782,7 @@
                                 if ((cr.flags&Context.BIND_IMPORTANT) != 0) {
                                     schedGroup = client.curSchedGroup;
                                 } else {
-                                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                                 }
                             }
                             if (clientProcState <= ActivityManager.PROCESS_STATE_TOP) {
@@ -18792,9 +18852,9 @@
                             adj = ProcessList.FOREGROUND_APP_ADJ;
                             if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) {
                                 if ((cr.flags&Context.BIND_IMPORTANT) != 0) {
-                                    schedGroup = Process.THREAD_GROUP_TOP_APP;
+                                    schedGroup = ProcessList.SCHED_GROUP_TOP_APP;
                                 } else {
-                                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                                 }
                             }
                             app.cached = false;
@@ -18812,13 +18872,13 @@
 
         for (int provi = app.pubProviders.size()-1;
                 provi >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ
-                        || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                        || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                         || procState > ActivityManager.PROCESS_STATE_TOP);
                 provi--) {
             ContentProviderRecord cpr = app.pubProviders.valueAt(provi);
             for (int i = cpr.connections.size()-1;
                     i >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ
-                            || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                            || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                             || procState > ActivityManager.PROCESS_STATE_TOP);
                     i--) {
                 ContentProviderConnection conn = cpr.connections.get(i);
@@ -18876,7 +18936,7 @@
                     procState = clientProcState;
                 }
                 if (client.curSchedGroup > schedGroup) {
-                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                 }
             }
             // If the provider has external (non-framework) process
@@ -18885,7 +18945,7 @@
             if (cpr.hasExternalProcessHandles()) {
                 if (adj > ProcessList.FOREGROUND_APP_ADJ) {
                     adj = ProcessList.FOREGROUND_APP_ADJ;
-                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                     app.cached = false;
                     app.adjType = "provider";
                     app.adjTarget = cpr.name;
@@ -18899,7 +18959,7 @@
         if (app.lastProviderTime > 0 && (app.lastProviderTime+CONTENT_PROVIDER_RETAIN_TIME) > now) {
             if (adj > ProcessList.PREVIOUS_APP_ADJ) {
                 adj = ProcessList.PREVIOUS_APP_ADJ;
-                schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
                 app.cached = false;
                 app.adjType = "provider";
             }
@@ -18978,7 +19038,7 @@
         if (adj > app.maxAdj) {
             adj = app.maxAdj;
             if (app.maxAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) {
-                schedGroup = Process.THREAD_GROUP_DEFAULT;
+                schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             }
         }
 
@@ -19394,17 +19454,29 @@
         if (app.setSchedGroup != app.curSchedGroup) {
             app.setSchedGroup = app.curSchedGroup;
             if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG_OOM_ADJ,
-                    "Setting process group of " + app.processName
+                    "Setting sched group of " + app.processName
                     + " to " + app.curSchedGroup);
             if (app.waitingToKill != null && app.curReceiver == null
-                    && app.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) {
+                    && app.setSchedGroup == ProcessList.SCHED_GROUP_BACKGROUND) {
                 app.kill(app.waitingToKill, true);
                 success = false;
             } else {
+                int processGroup;
+                switch (app.curSchedGroup) {
+                    case ProcessList.SCHED_GROUP_BACKGROUND:
+                        processGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                        break;
+                    case ProcessList.SCHED_GROUP_TOP_APP:
+                        processGroup = Process.THREAD_GROUP_TOP_APP;
+                        break;
+                    default:
+                        processGroup = Process.THREAD_GROUP_DEFAULT;
+                        break;
+                }
                 if (true) {
                     long oldId = Binder.clearCallingIdentity();
                     try {
-                        Process.setProcessGroup(app.pid, app.curSchedGroup);
+                        Process.setProcessGroup(app.pid, processGroup);
                     } catch (Exception e) {
                         Slog.w(TAG, "Failed setting process group of " + app.pid
                                 + " to " + app.curSchedGroup);
@@ -19415,7 +19487,7 @@
                 } else {
                     if (app.thread != null) {
                         try {
-                            app.thread.setSchedulingGroup(app.curSchedGroup);
+                            app.thread.setSchedulingGroup(processGroup);
                         } catch (RemoteException e) {
                         }
                     }
diff --git a/services/core/java/com/android/server/am/ActivityMetricsLogger.java b/services/core/java/com/android/server/am/ActivityMetricsLogger.java
index 0e6dd28..43e1bdf 100644
--- a/services/core/java/com/android/server/am/ActivityMetricsLogger.java
+++ b/services/core/java/com/android/server/am/ActivityMetricsLogger.java
@@ -61,7 +61,7 @@
         mLastLogTimeSecs = now;
 
         ActivityStack stack = mSupervisor.getStack(DOCKED_STACK_ID);
-        if (stack != null && stack.getStackVisibilityLocked() != STACK_INVISIBLE) {
+        if (stack != null && stack.getStackVisibilityLocked(null) != STACK_INVISIBLE) {
             mWindowState = WINDOW_STATE_SIDE_BY_SIDE;
             return;
         }
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index d5e40cf..e430dad 100755
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -76,6 +76,7 @@
 import java.io.PrintWriter;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Objects;
 
@@ -252,6 +253,10 @@
                 pw.print(prefix); pw.print("resDir="); pw.println(appInfo.publicSourceDir);
             }
             pw.print(prefix); pw.print("dataDir="); pw.println(appInfo.dataDir);
+            if (appInfo.splitSourceDirs != null) {
+                pw.print(prefix); pw.print("splitDir=");
+                        pw.println(Arrays.toString(appInfo.splitSourceDirs));
+            }
         }
         pw.print(prefix); pw.print("stateNotNeeded="); pw.print(stateNotNeeded);
                 pw.print(" componentSpecified="); pw.print(componentSpecified);
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 769bee4..e50722a 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -65,6 +65,7 @@
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.net.Uri;
@@ -184,7 +185,7 @@
      * The back history of all previous (and possibly still
      * running) activities.  It contains #TaskRecord objects.
      */
-    private ArrayList<TaskRecord> mTaskHistory = new ArrayList<>();
+    private final ArrayList<TaskRecord> mTaskHistory = new ArrayList<>();
 
     /**
      * Used for validating app tokens with window manager.
@@ -839,6 +840,18 @@
         }
     }
 
+    void updateActivityApplicationInfoLocked(ApplicationInfo aInfo) {
+        final String packageName = aInfo.packageName;
+        for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
+            final List<ActivityRecord> activities = mTaskHistory.get(taskNdx).mActivities;
+            for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
+                if (packageName.equals(activities.get(activityNdx).packageName)) {
+                    activities.get(activityNdx).info.applicationInfo = aInfo;
+                }
+            }
+        }
+    }
+
     /**
      * @return true if something must be done before going to sleep.
      */
@@ -1101,7 +1114,7 @@
             r.stopped = true;
             r.state = ActivityState.STOPPED;
 
-            mWindowManager.notifyAppStopped(r.appToken);
+            mWindowManager.notifyAppStopped(r.appToken, true);
 
             if (getVisibleBehindActivity() == r) {
                 mStackSupervisor.requestVisibleBehindLocked(r, false);
@@ -1354,7 +1367,7 @@
             for (int i = stacks.size() - 1; i >= 0; --i) {
                 ActivityStack stack = stacks.get(i);
                 if (stack != this && stack.isFocusable()
-                        && stack.getStackVisibilityLocked() != STACK_INVISIBLE) {
+                        && stack.getStackVisibilityLocked(null) != STACK_INVISIBLE) {
                     return stack;
                 }
             }
@@ -1373,21 +1386,26 @@
         return false;
     }
 
-    private boolean hasTranslucentActivity(ActivityStack stack) {
-        final ArrayList<TaskRecord> tasks = stack.getAllTasks();
-        for (int taskNdx = tasks.size() - 1; taskNdx >= 0; --taskNdx) {
-            final TaskRecord task = tasks.get(taskNdx);
+    /**
+     * Returns true if the stack is translucent and can have other contents visible behind it if
+     * needed. A stack is considered translucent if it don't contain a visible or
+     * starting (about to be visible) activity that is fullscreen (opaque).
+     * @param starting The currently starting activity or null if there is none.
+     */
+    private boolean isStackTranslucent(ActivityRecord starting) {
+        for (int taskNdx = mTaskHistory.size() - 1; taskNdx >= 0; --taskNdx) {
+            final TaskRecord task = mTaskHistory.get(taskNdx);
             final ArrayList<ActivityRecord> activities = task.mActivities;
             for (int activityNdx = activities.size() - 1; activityNdx >= 0; --activityNdx) {
                 final ActivityRecord r = activities.get(activityNdx);
 
                 // Conditions for an activity to obscure the stack we're
                 // examining:
-                // 1. Not Finishing AND Visible AND:
+                // 1. Not Finishing AND (Visible or the Starting activity) AND:
                 // 2. Either:
                 // - Full Screen Activity OR
                 // - On top of Home and our stack is NOT home
-                if (!r.finishing && r.visible && (r.fullscreen ||
+                if (!r.finishing && (r.visible || r == starting) && (r.fullscreen ||
                         (!isHomeStack() && r.frontOfTask && task.isOverHomeStack()))) {
                     return false;
                 }
@@ -1399,8 +1417,9 @@
     /**
      * Returns stack's visibility: {@link #STACK_INVISIBLE}, {@link #STACK_VISIBLE} or
      * {@link #STACK_VISIBLE_ACTIVITY_BEHIND}.
+     * @param starting The currently starting activity or null if there is none.
      */
-    int getStackVisibilityLocked() {
+    int getStackVisibilityLocked(ActivityRecord starting) {
         if (!isAttached()) {
             return STACK_INVISIBLE;
         }
@@ -1456,7 +1475,7 @@
         }
 
         if (focusedStackId == FULLSCREEN_WORKSPACE_STACK_ID
-                && hasTranslucentActivity(focusedStack)) {
+                && focusedStack.isStackTranslucent(starting)) {
             // Stacks behind the fullscreen stack with a translucent activity are always
             // visible so they can act as a backdrop to the translucent activity.
             // For example, dialog activities
@@ -1491,7 +1510,7 @@
                 return STACK_INVISIBLE;
             }
 
-            if (!hasTranslucentActivity(stack)) {
+            if (!stack.isStackTranslucent(starting)) {
                 return STACK_INVISIBLE;
             }
         }
@@ -1529,7 +1548,7 @@
         // If the top activity is not fullscreen, then we need to
         // make sure any activities under it are now visible.
         boolean aboveTop = top != null;
-        final int stackVisibility = getStackVisibilityLocked();
+        final int stackVisibility = getStackVisibilityLocked(starting);
         final boolean stackInvisible = stackVisibility != STACK_VISIBLE;
         final boolean stackVisibleBehind = stackVisibility == STACK_VISIBLE_ACTIVITY_BEHIND;
         boolean behindFullscreenActivity = stackInvisible;
@@ -2233,6 +2252,10 @@
                     next.app.thread.scheduleNewIntent(next.newIntents, next.appToken);
                 }
 
+                // Well the app will no longer be stopped.
+                // Clear app token stopped state in window manager if needed.
+                mWindowManager.notifyAppStopped(next.appToken, false);
+
                 EventLog.writeEvent(EventLogTags.AM_RESUME_ACTIVITY, next.userId,
                         System.identityHashCode(next), next.task.taskId, next.shortComponentName);
 
@@ -3788,7 +3811,8 @@
     void releaseBackgroundResources(ActivityRecord r) {
         if (hasVisibleBehindActivity() &&
                 !mHandler.hasMessages(RELEASE_BACKGROUND_RESOURCES_TIMEOUT_MSG)) {
-            if (r == topRunningActivityLocked() && getStackVisibilityLocked() == STACK_VISIBLE) {
+            if (r == topRunningActivityLocked()
+                    && getStackVisibilityLocked(null) == STACK_VISIBLE) {
                 // Don't release the top activity if it has requested to run behind the next
                 // activity and the stack is currently visible.
                 return;
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index c58cad0..48f31f9 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -1700,6 +1700,15 @@
         return false;
     }
 
+    void updateActivityApplicationInfoLocked(ApplicationInfo aInfo) {
+        for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
+            final ArrayList<ActivityStack> stacks = mActivityDisplays.valueAt(displayNdx).mStacks;
+            for (int stackNdx = stacks.size() - 1; stackNdx >= 0; --stackNdx) {
+                stacks.get(stackNdx).updateActivityApplicationInfoLocked(aInfo);
+            }
+        }
+    }
+
     TaskRecord finishTopRunningActivityLocked(ProcessRecord app, String reason) {
         TaskRecord finishedTask = null;
         ActivityStack focusedStack = getFocusedStack();
@@ -2034,6 +2043,25 @@
                 || tempOtherTaskInsetBounds != null);
     }
 
+    void resizePinnedStackLocked(Rect pinnedBounds, Rect tempPinnedTaskBounds) {
+        final ActivityStack stack = getStack(PINNED_STACK_ID);
+        if (stack == null) {
+            Slog.w(TAG, "resizePinnedStackLocked: pinned stack not found");
+            return;
+        }
+        Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "am.resizePinnedStack");
+        mWindowManager.deferSurfaceLayout();
+        try {
+            ActivityRecord r = stack.topRunningActivityLocked();
+            resizeStackUncheckedLocked(stack, pinnedBounds, tempPinnedTaskBounds,
+                    null);
+            ensureConfigurationAndResume(stack, r, false);
+        } finally {
+            mWindowManager.continueSurfaceLayout();
+            Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
+        }
+    }
+
     boolean resizeTaskLocked(TaskRecord task, Rect bounds, int resizeMode, boolean preserveWindow) {
         if (!task.isResizeable()) {
             Slog.w(TAG, "resizeTask: task " + task + " not resizeable.");
diff --git a/services/core/java/com/android/server/am/ActivityStarter.java b/services/core/java/com/android/server/am/ActivityStarter.java
index 46389e2..83ad2a7 100644
--- a/services/core/java/com/android/server/am/ActivityStarter.java
+++ b/services/core/java/com/android/server/am/ActivityStarter.java
@@ -1757,7 +1757,7 @@
             // and if yes, we will launch into that stack. If not, we just put the new
             // activity into parent's stack, because we can't find a better place.
             final ActivityStack stack = mSupervisor.getStack(DOCKED_STACK_ID);
-            if (stack != null && stack.getStackVisibilityLocked() == STACK_INVISIBLE) {
+            if (stack != null && stack.getStackVisibilityLocked(r) == STACK_INVISIBLE) {
                 // There is a docked stack, but it isn't visible, so we can't launch into that.
                 return null;
             } else {
diff --git a/services/core/java/com/android/server/am/AppErrorDialog.java b/services/core/java/com/android/server/am/AppErrorDialog.java
index 86cdbcc..ddfab4d 100644
--- a/services/core/java/com/android/server/am/AppErrorDialog.java
+++ b/services/core/java/com/android/server/am/AppErrorDialog.java
@@ -25,6 +25,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
+import android.text.BidiFormatter;
 import android.util.Slog;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -68,18 +69,21 @@
         mProc = data.proc;
         mResult = data.result;
         mRepeating = data.repeating;
+        BidiFormatter bidi = BidiFormatter.getInstance();
+
         if ((mProc.pkgList.size() == 1) &&
                 (mName = context.getPackageManager().getApplicationLabel(mProc.info)) != null) {
             setTitle(res.getString(
                     mRepeating ? com.android.internal.R.string.aerr_application_repeated
                             : com.android.internal.R.string.aerr_application,
-                    mName.toString(), mProc.info.processName));
+                    bidi.unicodeWrap(mName.toString()),
+                    bidi.unicodeWrap(mProc.info.processName)));
         } else {
             mName = mProc.processName;
             setTitle(res.getString(
                     mRepeating ? com.android.internal.R.string.aerr_process_repeated
                             : com.android.internal.R.string.aerr_process,
-                    mName.toString()));
+                    bidi.unicodeWrap(mName.toString())));
         }
 
         setCancelable(false);
diff --git a/services/core/java/com/android/server/am/AppErrors.java b/services/core/java/com/android/server/am/AppErrors.java
index 055935d..6cd7561 100644
--- a/services/core/java/com/android/server/am/AppErrors.java
+++ b/services/core/java/com/android/server/am/AppErrors.java
@@ -61,6 +61,7 @@
 import java.util.concurrent.Semaphore;
 
 import static com.android.server.Watchdog.NATIVE_STACKS_OF_INTEREST;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_ANR;
 import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM;
 import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;
 import static com.android.server.am.ActivityManagerService.MY_PID;
@@ -806,8 +807,10 @@
                     if (pid > 0 && pid != app.pid && pid != parentPid && pid != MY_PID) {
                         if (r.persistent) {
                             firstPids.add(pid);
+                            if (DEBUG_ANR) Slog.i(TAG, "Adding persistent proc: " + r);
                         } else {
                             lastPids.put(pid, Boolean.TRUE);
+                            if (DEBUG_ANR) Slog.i(TAG, "Adding ANR proc: " + r);
                         }
                     }
                 }
diff --git a/services/core/java/com/android/server/am/AppNotRespondingDialog.java b/services/core/java/com/android/server/am/AppNotRespondingDialog.java
index 6d1d9f3..c6befd7 100644
--- a/services/core/java/com/android/server/am/AppNotRespondingDialog.java
+++ b/services/core/java/com/android/server/am/AppNotRespondingDialog.java
@@ -27,6 +27,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
+import android.text.BidiFormatter;
 import android.util.Slog;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -84,9 +85,11 @@
             }
         }
 
+        BidiFormatter bidi = BidiFormatter.getInstance();
+
         setTitle(name2 != null
-                ? res.getString(resid, name1.toString(), name2.toString())
-                : res.getString(resid, name1.toString()));
+                ? res.getString(resid, bidi.unicodeWrap(name1.toString()), bidi.unicodeWrap(name2.toString()))
+                : res.getString(resid, bidi.unicodeWrap(name1.toString())));
 
         if (aboveSystem) {
             getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR);
diff --git a/services/core/java/com/android/server/am/BroadcastQueue.java b/services/core/java/com/android/server/am/BroadcastQueue.java
index 37b0af1..45e3a76 100644
--- a/services/core/java/com/android/server/am/BroadcastQueue.java
+++ b/services/core/java/com/android/server/am/BroadcastQueue.java
@@ -654,7 +654,7 @@
         }
 
         final boolean callerForeground = receiverRecord.callerApp != null
-                ? receiverRecord.callerApp.setSchedGroup != Process.THREAD_GROUP_BG_NONINTERACTIVE
+                ? receiverRecord.callerApp.setSchedGroup != ProcessList.SCHED_GROUP_BACKGROUND
                 : true;
 
         // Show a permission review UI only for explicit broadcast from a foreground app
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index b49370b..f073e5c 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -124,6 +124,13 @@
     // Memory pages are 4K.
     static final int PAGE_SIZE = 4*1024;
 
+    // Activity manager's version of Process.THREAD_GROUP_BG_NONINTERACTIVE
+    static final int SCHED_GROUP_BACKGROUND = 0;
+    // Activity manager's version of Process.THREAD_GROUP_DEFAULT
+    static final int SCHED_GROUP_DEFAULT = 1;
+    // Activity manager's version of Process.THREAD_GROUP_TOP_APP
+    static final int SCHED_GROUP_TOP_APP = 2;
+
     // The minimum number of cached apps we want to be able to keep around,
     // without empty apps being able to push them out of memory.
     static final int MIN_CACHED_APPS = 2;
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 5a3639a..f2a9c2c 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -849,7 +849,7 @@
             AudioSystem.setForceUse(AudioSystem.FOR_DOCK,
                     mDockAudioMediaEnabled ?
                             AudioSystem.FORCE_ANALOG_DOCK : AudioSystem.FORCE_NONE);
-            readEncodedSurroundMode(mContentResolver);
+            sendEncodedSurroundMode(mContentResolver);
         }
         if (mHdmiManager != null) {
             synchronized (mHdmiManager) {
@@ -1023,7 +1023,7 @@
         AudioSystem.setMasterMono(masterMono);
     }
 
-    private void readEncodedSurroundMode(ContentResolver cr)
+    private void sendEncodedSurroundMode(ContentResolver cr)
     {
         int encodedSurroundMode = Settings.Global.getInt(
                 cr, Settings.Global.ENCODED_SURROUND_OUTPUT,
@@ -1102,7 +1102,7 @@
 
             updateRingerModeAffectedStreams();
             readDockAudioSettings(cr);
-            readEncodedSurroundMode(cr);
+            sendEncodedSurroundMode(cr);
         }
 
         mMuteAffectedStreams = System.getIntForUser(cr,
@@ -4642,6 +4642,8 @@
 
     private class SettingsObserver extends ContentObserver {
 
+        private int mEncodedSurroundMode;
+
         SettingsObserver() {
             super(new Handler());
             mContentResolver.registerContentObserver(Settings.System.getUriFor(
@@ -4650,6 +4652,12 @@
                 Settings.Global.DOCK_AUDIO_MEDIA_ENABLED), false, this);
             mContentResolver.registerContentObserver(Settings.System.getUriFor(
                     Settings.System.MASTER_MONO), false, this);
+
+            mEncodedSurroundMode = Settings.Global.getInt(
+                    mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT,
+                    Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO);
+            mContentResolver.registerContentObserver(Settings.Global.getUriFor(
+                    Settings.Global.ENCODED_SURROUND_OUTPUT), false, this);
         }
 
         @Override
@@ -4669,7 +4677,33 @@
                 }
                 readDockAudioSettings(mContentResolver);
                 updateMasterMono(mContentResolver);
-                readEncodedSurroundMode(mContentResolver);
+                updateEncodedSurroundOutput();
+            }
+        }
+
+        private void updateEncodedSurroundOutput() {
+            int newSurroundMode = Settings.Global.getInt(
+                mContentResolver, Settings.Global.ENCODED_SURROUND_OUTPUT,
+                Settings.Global.ENCODED_SURROUND_OUTPUT_AUTO);
+            // Did it change?
+            if (mEncodedSurroundMode != newSurroundMode) {
+                // Send to AudioPolicyManager
+                sendEncodedSurroundMode(newSurroundMode);
+                synchronized(mConnectedDevices) {
+                    // Is HDMI connected?
+                    String key = makeDeviceListKey(AudioSystem.DEVICE_OUT_HDMI, "");
+                    DeviceListSpec deviceSpec = mConnectedDevices.get(key);
+                    if (deviceSpec != null) {
+                        // Toggle HDMI to retrigger broadcast with proper formats.
+                        setWiredDeviceConnectionState(AudioSystem.DEVICE_OUT_HDMI,
+                                AudioSystem.DEVICE_STATE_UNAVAILABLE, "", "",
+                                "android"); // disconnect
+                        setWiredDeviceConnectionState(AudioSystem.DEVICE_OUT_HDMI,
+                                AudioSystem.DEVICE_STATE_AVAILABLE, "", "",
+                                "android"); // reconnect
+                    }
+                }
+                mEncodedSurroundMode = newSurroundMode;
             }
         }
     }
diff --git a/services/core/java/com/android/server/audio/RecordingActivityMonitor.java b/services/core/java/com/android/server/audio/RecordingActivityMonitor.java
index 7e76ac4..86dcd0f 100644
--- a/services/core/java/com/android/server/audio/RecordingActivityMonitor.java
+++ b/services/core/java/com/android/server/audio/RecordingActivityMonitor.java
@@ -54,12 +54,15 @@
         if (MediaRecorder.isSystemOnlyAudioSource(source)) {
             return;
         }
-        if (updateSnapshot(event, session, source, recordingInfo)) {
-            final Iterator<RecMonitorClient> clientIterator = mClients.iterator();
+        final AudioRecordConfiguration[] configs =
+                updateSnapshot(event, session, source, recordingInfo);
+        if (configs != null){
             synchronized(mClients) {
+                final Iterator<RecMonitorClient> clientIterator = mClients.iterator();
                 while (clientIterator.hasNext()) {
                     try {
-                        clientIterator.next().mDispatcherCb.dispatchRecordingConfigChange();
+                        clientIterator.next().mDispatcherCb.dispatchRecordingConfigChange(
+                                configs);
                     } catch (RemoteException e) {
                         Log.w(TAG, "Could not call dispatchRecordingConfigChange() on client", e);
                     }
@@ -115,14 +118,19 @@
      * @param recordingFormat see
      *     {@link AudioSystem.AudioRecordingCallback#onRecordingConfigurationChanged(int, int, int, int[])}
      *     for the definition of the contents of the array
-     * @return true if the list of active recording sessions has been modified, false otherwise.
+     * @return null if the list of active recording sessions has not been modified, an array
+     *     with the current active configurations otherwise.
      */
-    private boolean updateSnapshot(int event, int session, int source, int[] recordingInfo) {
+    private AudioRecordConfiguration[] updateSnapshot(int event, int session, int source,
+            int[] recordingInfo) {
+        final boolean configChanged;
+        final AudioRecordConfiguration[] configs;
         synchronized(mRecordConfigs) {
             switch (event) {
             case AudioManager.RECORD_CONFIG_EVENT_STOP:
                 // return failure if an unknown recording session stopped
-                return (mRecordConfigs.remove(new Integer(session)) != null);
+                configChanged = (mRecordConfigs.remove(new Integer(session)) != null);
+                break;
             case AudioManager.RECORD_CONFIG_EVENT_START:
                 final AudioFormat clientFormat = new AudioFormat.Builder()
                         .setEncoding(recordingInfo[0])
@@ -143,25 +151,32 @@
                             new AudioRecordConfiguration(session, source,
                                     clientFormat, deviceFormat, patchHandle);
                     if (updatedConfig.equals(mRecordConfigs.get(sessionKey))) {
-                        return false;
+                        configChanged = false;
                     } else {
                         // config exists but has been modified
                         mRecordConfigs.remove(sessionKey);
                         mRecordConfigs.put(sessionKey, updatedConfig);
-                        return true;
+                        configChanged = true;
                     }
                 } else {
                     mRecordConfigs.put(sessionKey,
                             new AudioRecordConfiguration(session, source,
                                     clientFormat, deviceFormat, patchHandle));
-                    return true;
+                    configChanged = true;
                 }
+                break;
             default:
                 Log.e(TAG, String.format("Unknown event %d for session %d, source %d",
                         event, session, source));
-                return false;
+                configChanged = false;
+            }
+            if (configChanged) {
+                configs = mRecordConfigs.values().toArray(new AudioRecordConfiguration[0]);
+            } else {
+                configs = null;
             }
         }
+        return configs;
     }
 
     /**
diff --git a/services/core/java/com/android/server/connectivity/ApfFilter.java b/services/core/java/com/android/server/connectivity/ApfFilter.java
new file mode 100644
index 0000000..25c84e1
--- /dev/null
+++ b/services/core/java/com/android/server/connectivity/ApfFilter.java
@@ -0,0 +1,499 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.connectivity;
+
+import static android.system.OsConstants.*;
+
+import android.net.NetworkUtils;
+import android.net.apf.ApfGenerator;
+import android.net.apf.ApfGenerator.IllegalInstructionException;
+import android.net.apf.ApfGenerator.Register;
+import android.system.ErrnoException;
+import android.system.Os;
+import android.system.PacketSocketAddress;
+import android.util.Log;
+import android.util.Pair;
+
+import com.android.internal.util.HexDump;
+import com.android.server.ConnectivityService;
+
+import java.io.FileDescriptor;
+import java.io.IOException;
+import java.lang.Thread;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import libcore.io.IoBridge;
+
+/**
+ * For networks that support packet filtering via APF programs, {@code ApfFilter}
+ * listens for IPv6 ICMPv6 router advertisements (RAs) and generates APF programs to
+ * filter out redundant duplicate ones.
+ *
+ * @hide
+ */
+public class ApfFilter {
+    // Thread to listen for RAs.
+    private class ReceiveThread extends Thread {
+        private final byte[] mPacket = new byte[1514];
+        private final FileDescriptor mSocket;
+        private volatile boolean mStopped;
+
+        public ReceiveThread(FileDescriptor socket) {
+            mSocket = socket;
+        }
+
+        public void halt() {
+            mStopped = true;
+            try {
+                // Interrupts the read() call the thread is blocked in.
+                IoBridge.closeAndSignalBlockedThreads(mSocket);
+            } catch (IOException ignored) {}
+        }
+
+        @Override
+        public void run() {
+            log("begin monitoring");
+            while (!mStopped) {
+                try {
+                    int length = Os.read(mSocket, mPacket, 0, mPacket.length);
+                    processRa(mPacket, length);
+                } catch (IOException|ErrnoException e) {
+                    if (!mStopped) {
+                        Log.e(TAG, "Read error", e);
+                    }
+                }
+            }
+        }
+    }
+
+    private static final String TAG = "ApfFilter";
+
+    private final ConnectivityService mConnectivityService;
+    private final NetworkAgentInfo mNai;
+    private ReceiveThread mReceiveThread;
+    private String mIfaceName;
+    private long mUniqueCounter;
+
+    private ApfFilter(ConnectivityService connectivityService, NetworkAgentInfo nai) {
+        mConnectivityService = connectivityService;
+        mNai = nai;
+        maybeStartFilter();
+    }
+
+    private void log(String s) {
+        Log.d(TAG, "(" + mNai.network.netId + "): " + s);
+    }
+
+    private long getUniqueNumber() {
+        return mUniqueCounter++;
+    }
+
+    /**
+     * Attempt to start listening for RAs and, if RAs are received, generating and installing
+     * filters to ignore useless RAs.
+     */
+    private void maybeStartFilter() {
+        mIfaceName = mNai.linkProperties.getInterfaceName();
+        if (mIfaceName == null) return;
+        FileDescriptor socket;
+        try {
+            socket = Os.socket(AF_PACKET, SOCK_RAW, ETH_P_IPV6);
+            PacketSocketAddress addr = new PacketSocketAddress((short) ETH_P_IPV6,
+                    NetworkInterface.getByName(mIfaceName).getIndex());
+            Os.bind(socket, addr);
+            NetworkUtils.attachRaFilter(socket, mNai.networkMisc.apfPacketFormat);
+        } catch(SocketException|ErrnoException e) {
+            Log.e(TAG, "Error filtering raw socket", e);
+            return;
+        }
+        mReceiveThread = new ReceiveThread(socket);
+        mReceiveThread.start();
+    }
+
+    /**
+     * mNai's LinkProperties may have changed, take appropriate action.
+     */
+    public void updateFilter() {
+        // If we're not listening for RAs, try starting.
+        if (mReceiveThread == null) {
+            maybeStartFilter();
+        // If interface name has changed, restart.
+        } else if (!mIfaceName.equals(mNai.linkProperties.getInterfaceName())) {
+            shutdown();
+            maybeStartFilter();
+        }
+    }
+
+    // Returns seconds since Unix Epoch.
+    private static long curTime() {
+        return System.currentTimeMillis() / 1000L;
+    }
+
+    // A class to hold information about an RA.
+    private class Ra {
+        private static final int ETH_HEADER_LEN = 14;
+
+        private static final int IPV6_HEADER_LEN = 40;
+
+        // From RFC4861:
+        private static final int ICMP6_RA_HEADER_LEN = 16;
+        private static final int ICMP6_RA_OPTION_OFFSET =
+                ETH_HEADER_LEN + IPV6_HEADER_LEN + ICMP6_RA_HEADER_LEN;
+        private static final int ICMP6_RA_ROUTER_LIFETIME_OFFSET =
+                ETH_HEADER_LEN + IPV6_HEADER_LEN + 6;
+        private static final int ICMP6_RA_ROUTER_LIFETIME_LEN = 2;
+        // Prefix information option.
+        private static final int ICMP6_PREFIX_OPTION_TYPE = 3;
+        private static final int ICMP6_PREFIX_OPTION_LEN = 32;
+        private static final int ICMP6_PREFIX_OPTION_VALID_LIFETIME_OFFSET = 4;
+        private static final int ICMP6_PREFIX_OPTION_VALID_LIFETIME_LEN = 4;
+        private static final int ICMP6_PREFIX_OPTION_PREFERRED_LIFETIME_OFFSET = 8;
+        private static final int ICMP6_PREFIX_OPTION_PREFERRED_LIFETIME_LEN = 4;
+
+        // From RFC6106: Recursive DNS Server option
+        private static final int ICMP6_RDNSS_OPTION_TYPE = 25;
+        // From RFC6106: DNS Search List option
+        private static final int ICMP6_DNSSL_OPTION_TYPE = 31;
+
+        // From RFC4191: Route Information option
+        private static final int ICMP6_ROUTE_INFO_OPTION_TYPE = 24;
+        // Above three options all have the same format:
+        private static final int ICMP6_4_BYTE_LIFETIME_OFFSET = 4;
+        private static final int ICMP6_4_BYTE_LIFETIME_LEN = 4;
+
+        private final ByteBuffer mPacket;
+        // List of binary ranges that include the whole packet except the lifetimes.
+        // Pairs consist of offset and length.
+        private final ArrayList<Pair<Integer, Integer>> mNonLifetimes =
+                new ArrayList<Pair<Integer, Integer>>();
+        // Minimum lifetime in packet
+        long mMinLifetime;
+        // When the packet was last captured, in seconds since Unix Epoch
+        long mLastSeen;
+
+        /**
+         * Add a binary range of the packet that does not include a lifetime to mNonLifetimes.
+         * Assumes mPacket.position() is as far as we've parsed the packet.
+         * @param lastNonLifetimeStart offset within packet of where the last binary range of
+         *                             data not including a lifetime.
+         * @param lifetimeOffset offset from mPacket.position() to the next lifetime data.
+         * @param lifetimeLength length of the next lifetime data.
+         * @return offset within packet of where the next binary range of data not including
+         *         a lifetime.  This can be passed into the next invocation of this function
+         *         via {@code lastNonLifetimeStart}.
+         */
+        private int addNonLifetime(int lastNonLifetimeStart, int lifetimeOffset,
+                int lifetimeLength) {
+            lifetimeOffset += mPacket.position();
+            mNonLifetimes.add(new Pair<Integer, Integer>(lastNonLifetimeStart,
+                    lifetimeOffset - lastNonLifetimeStart));
+            return lifetimeOffset + lifetimeLength;
+        }
+
+        // Note that this parses RA and may throw IllegalArgumentException (from
+        // Buffer.position(int) ) or IndexOutOfBoundsException (from ByteBuffer.get(int) ) if
+        // parsing encounters something non-compliant with specifications.
+        Ra(byte[] packet, int length) {
+            mPacket = ByteBuffer.allocate(length).put(ByteBuffer.wrap(packet, 0, length));
+            mPacket.clear();
+            mLastSeen = curTime();
+
+            // Parse router lifetime
+            int lastNonLifetimeStart = addNonLifetime(0, ICMP6_RA_ROUTER_LIFETIME_OFFSET,
+                    ICMP6_RA_ROUTER_LIFETIME_LEN);
+            // Parse ICMP6 options
+            mPacket.position(ICMP6_RA_OPTION_OFFSET);
+            while (mPacket.hasRemaining()) {
+                int optionType = ((int)mPacket.get(mPacket.position())) & 0xff;
+                int optionLength = (((int)mPacket.get(mPacket.position() + 1)) & 0xff) * 8;
+                switch (optionType) {
+                    case ICMP6_PREFIX_OPTION_TYPE:
+                        // Parse valid lifetime
+                        lastNonLifetimeStart = addNonLifetime(lastNonLifetimeStart,
+                                ICMP6_PREFIX_OPTION_VALID_LIFETIME_OFFSET,
+                                ICMP6_PREFIX_OPTION_VALID_LIFETIME_LEN);
+                        // Parse preferred lifetime
+                        lastNonLifetimeStart = addNonLifetime(lastNonLifetimeStart,
+                                ICMP6_PREFIX_OPTION_PREFERRED_LIFETIME_OFFSET,
+                                ICMP6_PREFIX_OPTION_PREFERRED_LIFETIME_LEN);
+                        break;
+                    // These three options have the same lifetime offset and size, so process
+                    // together:
+                    case ICMP6_ROUTE_INFO_OPTION_TYPE:
+                    case ICMP6_RDNSS_OPTION_TYPE:
+                    case ICMP6_DNSSL_OPTION_TYPE:
+                        // Parse lifetime
+                        lastNonLifetimeStart = addNonLifetime(lastNonLifetimeStart,
+                                ICMP6_4_BYTE_LIFETIME_OFFSET,
+                                ICMP6_4_BYTE_LIFETIME_LEN);
+                        break;
+                    default:
+                        // RFC4861 section 4.2 dictates we ignore unknown options for fowards
+                        // compatibility.
+                        break;
+                }
+                mPacket.position(mPacket.position() + optionLength);
+            }
+            // Mark non-lifetime bytes since last lifetime.
+            addNonLifetime(lastNonLifetimeStart, 0, 0);
+            mMinLifetime = minLifetime(packet, length);
+        }
+
+        // Ignoring lifetimes (which may change) does {@code packet} match this RA?
+        boolean matches(byte[] packet, int length) {
+            if (length != mPacket.limit()) return false;
+            ByteBuffer a = ByteBuffer.wrap(packet);
+            ByteBuffer b = mPacket;
+            for (Pair<Integer, Integer> nonLifetime : mNonLifetimes) {
+                a.clear();
+                b.clear();
+                a.position(nonLifetime.first);
+                b.position(nonLifetime.first);
+                a.limit(nonLifetime.first + nonLifetime.second);
+                b.limit(nonLifetime.first + nonLifetime.second);
+                if (a.compareTo(b) != 0) return false;
+            }
+            return true;
+        }
+
+        // What is the minimum of all lifetimes within {@code packet} in seconds?
+        // Precondition: matches(packet, length) already returned true.
+        long minLifetime(byte[] packet, int length) {
+            long minLifetime = Long.MAX_VALUE;
+            // Wrap packet in ByteBuffer so we can read big-endian values easily
+            ByteBuffer byteBuffer = ByteBuffer.wrap(packet);
+            for (int i = 0; (i + 1) < mNonLifetimes.size(); i++) {
+                int offset = mNonLifetimes.get(i).first + mNonLifetimes.get(i).second;
+                int lifetimeLength = mNonLifetimes.get(i+1).first - offset;
+                long val;
+                switch (lifetimeLength) {
+                    case 2: val = byteBuffer.getShort(offset); break;
+                    case 4: val = byteBuffer.getInt(offset); break;
+                    default: throw new IllegalStateException("bogus lifetime size " + length);
+                }
+                // Mask to size, converting signed to unsigned
+                val &= (1L << (lifetimeLength * 8)) - 1;
+                minLifetime = Math.min(minLifetime, val);
+            }
+            return minLifetime;
+        }
+
+        // How many seconds does this RA's have to live, taking into account the fact
+        // that we might have seen it a while ago.
+        long currentLifetime() {
+            return mMinLifetime - (curTime() - mLastSeen);
+        }
+
+        boolean isExpired() {
+            return currentLifetime() < 0;
+        }
+
+        // Append a filter for this RA to {@code gen}. Jump to DROP_LABEL if it should be dropped.
+        // Jump to the next filter if packet doesn't match this RA.
+        long generateFilter(ApfGenerator gen) throws IllegalInstructionException {
+            String nextFilterLabel = "Ra" + getUniqueNumber();
+            // Skip if packet is not the right size
+            gen.addLoadFromMemory(Register.R0, gen.PACKET_SIZE_MEMORY_SLOT);
+            gen.addJumpIfR0NotEquals(mPacket.limit(), nextFilterLabel);
+            int filterLifetime = (int)(currentLifetime() / FRACTION_OF_LIFETIME_TO_FILTER);
+            // Skip filter if expired
+            gen.addLoadFromMemory(Register.R0, gen.FILTER_AGE_MEMORY_SLOT);
+            gen.addJumpIfR0GreaterThan(filterLifetime, nextFilterLabel);
+            for (int i = 0; i < mNonLifetimes.size(); i++) {
+                // Generate code to match the packet bytes
+                Pair<Integer, Integer> nonLifetime = mNonLifetimes.get(i);
+                gen.addLoadImmediate(Register.R0, nonLifetime.first);
+                gen.addJumpIfBytesNotEqual(Register.R0,
+                        Arrays.copyOfRange(mPacket.array(), nonLifetime.first,
+                                           nonLifetime.first + nonLifetime.second),
+                        nextFilterLabel);
+                // Generate code to test the lifetimes haven't gone down too far
+                if ((i + 1) < mNonLifetimes.size()) {
+                    Pair<Integer, Integer> nextNonLifetime = mNonLifetimes.get(i + 1);
+                    int offset = nonLifetime.first + nonLifetime.second;
+                    int length = nextNonLifetime.first - offset;
+                    switch (length) {
+                        case 4: gen.addLoad32(Register.R0, offset); break;
+                        case 2: gen.addLoad16(Register.R0, offset); break;
+                        default: throw new IllegalStateException("bogus lifetime size " + length);
+                    }
+                    gen.addJumpIfR0LessThan(filterLifetime, nextFilterLabel);
+                }
+            }
+            gen.addJump(gen.DROP_LABEL);
+            gen.defineLabel(nextFilterLabel);
+            return filterLifetime;
+        }
+    }
+
+    // Maximum number of RAs to filter for.
+    private static final int MAX_RAS = 10;
+    private ArrayList<Ra> mRas = new ArrayList<Ra>();
+
+    // There is always some marginal benefit to updating the installed APF program when an RA is
+    // seen because we can extend the program's lifetime slightly, but there is some cost to
+    // updating the program, so don't bother unless the program is going to expire soon. This
+    // constant defines "soon" in seconds.
+    private static final long MAX_PROGRAM_LIFETIME_WORTH_REFRESHING = 30;
+    // We don't want to filter an RA for it's whole lifetime as it'll be expired by the time we ever
+    // see a refresh.  Using half the lifetime might be a good idea except for the fact that
+    // packets may be dropped, so let's use 6.
+    private static final int FRACTION_OF_LIFETIME_TO_FILTER = 6;
+
+    // When did we last install a filter program? In seconds since Unix Epoch.
+    private long mLastTimeInstalledProgram;
+    // How long should the last installed filter program live for? In seconds.
+    private long mLastInstalledProgramMinLifetime;
+
+    private void installNewProgram() {
+        if (mRas.size() == 0) return;
+        final byte[] program;
+        long programMinLifetime = Long.MAX_VALUE;
+        try {
+            ApfGenerator gen = new ApfGenerator();
+            // This is guaranteed to return true because of the check in maybeInstall.
+            gen.setApfVersion(mNai.networkMisc.apfVersionSupported);
+            // Step 1: Determine how many RA filters we can fit in the program.
+            int ras = 0;
+            for (Ra ra : mRas) {
+                if (ra.isExpired()) continue;
+                ra.generateFilter(gen);
+                if (gen.programLengthOverEstimate() > mNai.networkMisc.maximumApfProgramSize) {
+                    // We went too far.  Use prior number of RAs in "ras".
+                    break;
+                } else {
+                    // Yay! this RA filter fits, increment "ras".
+                    ras++;
+                }
+            }
+            // Step 2: Generate RA filters
+            gen = new ApfGenerator();
+            // This is guaranteed to return true because of the check in maybeInstall.
+            gen.setApfVersion(mNai.networkMisc.apfVersionSupported);
+            for (Ra ra : mRas) {
+                if (ras-- == 0) break;
+                if (ra.isExpired()) continue;
+                programMinLifetime = Math.min(programMinLifetime, ra.generateFilter(gen));
+            }
+            // Execution will reach the end of the program if no filters match, which will pass the
+            // packet to the AP.
+            program = gen.generate();
+        } catch (IllegalInstructionException e) {
+            Log.e(TAG, "Program failed to generate: ", e);
+            return;
+        }
+        mLastTimeInstalledProgram = curTime();
+        mLastInstalledProgramMinLifetime = programMinLifetime;
+        hexDump("Installing filter: ", program, program.length);
+        mConnectivityService.pushApfProgramToNetwork(mNai, program);
+    }
+
+    // Install a new filter program if the last installed one will die soon.
+    private void maybeInstallNewProgram() {
+        if (mRas.size() == 0) return;
+        // If the current program doesn't expire for a while, don't bother updating.
+        long expiry = mLastTimeInstalledProgram + mLastInstalledProgramMinLifetime;
+        if (expiry < curTime() + MAX_PROGRAM_LIFETIME_WORTH_REFRESHING) {
+            installNewProgram();
+        }
+    }
+
+    private void hexDump(String msg, byte[] packet, int length) {
+        log(msg + HexDump.toHexString(packet, 0, length));
+    }
+
+    private void processRa(byte[] packet, int length) {
+        hexDump("Read packet = ", packet, length);
+
+        // Have we seen this RA before?
+        for (int i = 0; i < mRas.size(); i++) {
+            Ra ra = mRas.get(i);
+            if (ra.matches(packet, length)) {
+                log("matched RA");
+                // Update lifetimes.
+                ra.mLastSeen = curTime();
+                ra.mMinLifetime = ra.minLifetime(packet, length);
+
+                // Keep mRas in LRU order so as to prioritize generating filters for recently seen
+                // RAs. LRU prioritizes this because RA filters are generated in order from mRas
+                // until the filter program exceeds the maximum filter program size allowed by the
+                // chipset, so RAs appearing earlier in mRas are more likely to make it into the
+                // filter program.
+                // TODO: consider sorting the RAs in order of increasing expiry time as well.
+                // Swap to front of array.
+                mRas.add(0, mRas.remove(i));
+
+                maybeInstallNewProgram();
+                return;
+            }
+        }
+        // Purge expired RAs.
+        for (int i = 0; i < mRas.size();) {
+            if (mRas.get(i).isExpired()) {
+                log("expired RA");
+                mRas.remove(i);
+            } else {
+                i++;
+            }
+        }
+        // TODO: figure out how to proceed when we've received more then MAX_RAS RAs.
+        if (mRas.size() >= MAX_RAS) return;
+        try {
+            log("adding RA");
+            mRas.add(new Ra(packet, length));
+        } catch (Exception e) {
+            Log.e(TAG, "Error parsing RA: " + e);
+            return;
+        }
+        installNewProgram();
+    }
+
+    /**
+     * Install an {@link ApfFilter} on {@code nai} if {@code nai} supports packet
+     * filtering using APF programs.
+     */
+    public static void maybeInstall(ConnectivityService connectivityService, NetworkAgentInfo nai) {
+        if (nai.networkMisc == null) return;
+        if (nai.networkMisc.apfVersionSupported == 0) return;
+        if (nai.networkMisc.maximumApfProgramSize < 200) {
+            Log.e(TAG, "Uselessly small APF size limit: " + nai.networkMisc.maximumApfProgramSize);
+            return;
+        }
+        // For now only support generating programs for Ethernet frames. If this restriction is
+        // lifted:
+        //   1. the program generator will need its offsets adjusted.
+        //   2. the packet filter attached to our packet socket will need its offset adjusted.
+        if (nai.networkMisc.apfPacketFormat != ARPHRD_ETHER) return;
+        if (!new ApfGenerator().setApfVersion(nai.networkMisc.apfVersionSupported)) {
+            Log.e(TAG, "Unsupported APF version: " + nai.networkMisc.apfVersionSupported);
+            return;
+        }
+        nai.apfFilter = new ApfFilter(connectivityService, nai);
+    }
+
+    public void shutdown() {
+        if (mReceiveThread != null) {
+            log("shuting down");
+            mReceiveThread.halt();  // Also closes socket.
+            mReceiveThread = null;
+        }
+    }
+}
diff --git a/services/core/java/com/android/server/connectivity/KeepaliveTracker.java b/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
index 90c9ddf..9e1f6b8 100644
--- a/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
+++ b/services/core/java/com/android/server/connectivity/KeepaliveTracker.java
@@ -60,7 +60,7 @@
 public class KeepaliveTracker {
 
     private static final String TAG = "KeepaliveTracker";
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
 
     public static final String PERMISSION = android.Manifest.permission.PACKET_KEEPALIVE_OFFLOAD;
 
diff --git a/services/core/java/com/android/server/connectivity/Nat464Xlat.java b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
index a9eaeee..b390884 100644
--- a/services/core/java/com/android/server/connectivity/Nat464Xlat.java
+++ b/services/core/java/com/android/server/connectivity/Nat464Xlat.java
@@ -16,13 +16,11 @@
 
 package com.android.server.connectivity;
 
-import static android.net.ConnectivityManager.TYPE_MOBILE;
-import static android.net.ConnectivityManager.TYPE_WIFI;
-
 import java.net.Inet4Address;
 
 import android.content.Context;
 import android.net.InterfaceConfiguration;
+import android.net.ConnectivityManager;
 import android.net.LinkAddress;
 import android.net.LinkProperties;
 import android.net.NetworkAgent;
@@ -34,6 +32,7 @@
 import android.util.Slog;
 
 import com.android.server.net.BaseNetworkObserver;
+import com.android.internal.util.ArrayUtils;
 
 /**
  * @hide
@@ -46,6 +45,13 @@
     // This must match the interface prefix in clatd.c.
     private static final String CLAT_PREFIX = "v4-";
 
+    // The network types we will start clatd on.
+    private static final int[] NETWORK_TYPES = {
+            ConnectivityManager.TYPE_MOBILE,
+            ConnectivityManager.TYPE_WIFI,
+            ConnectivityManager.TYPE_ETHERNET,
+    };
+
     private final INetworkManagementService mNMService;
 
     // ConnectivityService Handler for LinkProperties updates.
@@ -90,7 +96,7 @@
                 (nai.linkProperties != null) ? nai.linkProperties.hasIPv4Address() : false;
         // Only support clat on mobile and wifi for now, because these are the only IPv6-only
         // networks we can connect to.
-        return connected && !hasIPv4Address && (netType == TYPE_MOBILE || netType == TYPE_WIFI);
+        return connected && !hasIPv4Address && ArrayUtils.contains(NETWORK_TYPES, netType);
     }
 
     /**
@@ -221,7 +227,7 @@
     }
 
     private void maybeSetIpv6NdOffload(String iface, boolean on) {
-        if (mNetwork.networkInfo.getType() != TYPE_WIFI) {
+        if (mNetwork.networkInfo.getType() != ConnectivityManager.TYPE_WIFI) {
             return;
         }
         try {
diff --git a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
index c5d38cb..b4c71c1 100644
--- a/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
+++ b/services/core/java/com/android/server/connectivity/NetworkAgentInfo.java
@@ -32,6 +32,7 @@
 import com.android.internal.util.AsyncChannel;
 import com.android.server.ConnectivityService;
 import com.android.server.connectivity.NetworkMonitor;
+import com.android.server.connectivity.ApfFilter;
 
 import java.util.ArrayList;
 import java.util.Comparator;
@@ -163,6 +164,8 @@
     // Used by ConnectivityService to keep track of 464xlat.
     public Nat464Xlat clatd;
 
+    public ApfFilter apfFilter;
+
     public NetworkAgentInfo(Messenger messenger, AsyncChannel ac, Network net, NetworkInfo info,
             LinkProperties lp, NetworkCapabilities nc, int score, Context context, Handler handler,
             NetworkMisc misc, NetworkRequest defaultRequest, ConnectivityService connService) {
@@ -175,6 +178,7 @@
         currentScore = score;
         networkMonitor = connService.createNetworkMonitor(context, handler, this, defaultRequest);
         networkMisc = misc;
+        apfFilter.maybeInstall(connService, this);
     }
 
     /**
diff --git a/services/core/java/com/android/server/connectivity/NetworkMonitor.java b/services/core/java/com/android/server/connectivity/NetworkMonitor.java
index fb8b110..73da427 100644
--- a/services/core/java/com/android/server/connectivity/NetworkMonitor.java
+++ b/services/core/java/com/android/server/connectivity/NetworkMonitor.java
@@ -76,7 +76,7 @@
  * {@hide}
  */
 public class NetworkMonitor extends StateMachine {
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
     private static final String TAG = "NetworkMonitor";
     private static final String DEFAULT_SERVER = "connectivitycheck.gstatic.com";
     private static final int SOCKET_TIMEOUT_MS = 10000;
diff --git a/services/core/java/com/android/server/connectivity/PermissionMonitor.java b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
index debda14..22cefd1 100644
--- a/services/core/java/com/android/server/connectivity/PermissionMonitor.java
+++ b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
@@ -54,7 +54,7 @@
  */
 public class PermissionMonitor {
     private static final String TAG = "PermissionMonitor";
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
     private static final boolean SYSTEM = true;
     private static final boolean NETWORK = false;
 
diff --git a/services/core/java/com/android/server/connectivity/Tethering.java b/services/core/java/com/android/server/connectivity/Tethering.java
index 760b218..4eecc81 100644
--- a/services/core/java/com/android/server/connectivity/Tethering.java
+++ b/services/core/java/com/android/server/connectivity/Tethering.java
@@ -90,7 +90,7 @@
 
     private Context mContext;
     private final static String TAG = "Tethering";
-    private final static boolean DBG = true;
+    private final static boolean DBG = false;
     private final static boolean VDBG = false;
 
     // TODO - remove both of these - should be part of interface inspection/selection stuff
diff --git a/services/core/java/com/android/server/net/IpConfigStore.java b/services/core/java/com/android/server/net/IpConfigStore.java
index 9f1435a..2807ec8 100644
--- a/services/core/java/com/android/server/net/IpConfigStore.java
+++ b/services/core/java/com/android/server/net/IpConfigStore.java
@@ -40,7 +40,7 @@
 
 public class IpConfigStore {
     private static final String TAG = "IpConfigStore";
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
 
     protected final DelayedDiskWrite mWriter;
 
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 09b7a18..3acd2ca 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -42,6 +42,7 @@
 import static android.net.NetworkPolicy.WARNING_DISABLED;
 import static android.net.NetworkPolicyManager.EXTRA_NETWORK_TEMPLATE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_DOZABLE;
+import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_POWERSAVE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_STANDBY;
 import static android.net.NetworkPolicyManager.FIREWALL_RULE_ALLOW;
 import static android.net.NetworkPolicyManager.FIREWALL_RULE_DEFAULT;
@@ -68,6 +69,7 @@
 import static android.net.wifi.WifiManager.EXTRA_WIFI_CONFIGURATION;
 import static android.net.wifi.WifiManager.EXTRA_WIFI_INFO;
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
+
 import static com.android.internal.util.ArrayUtils.appendInt;
 import static com.android.internal.util.Preconditions.checkNotNull;
 import static com.android.internal.util.XmlUtils.readBooleanAttribute;
@@ -294,6 +296,7 @@
 
     final SparseIntArray mUidFirewallStandbyRules = new SparseIntArray();
     final SparseIntArray mUidFirewallDozableRules = new SparseIntArray();
+    final SparseIntArray mUidFirewallPowerSaveRules = new SparseIntArray();
 
     /** Set of states for the child firewall chains. True if the chain is active. */
     final SparseBooleanArray mFirewallChainStates = new SparseBooleanArray();
@@ -522,9 +525,11 @@
                     new PowerManagerInternal.LowPowerModeListener() {
                 @Override
                 public void onLowPowerModeChanged(boolean enabled) {
+                    if (LOGD) Slog.d(TAG, "onLowPowerModeChanged(" + enabled + ")");
                     synchronized (mRulesLock) {
                         if (mRestrictPower != enabled) {
                             mRestrictPower = enabled;
+                            updateRulesForRestrictPowerLocked();
                             updateRulesForGlobalChangeLocked(true);
                         }
                     }
@@ -1175,13 +1180,6 @@
             return;
         }
 
-        // If we are in restrict power mode, we want to treat all interfaces
-        // as metered, to restrict access to the network by uid.  However, we
-        // will not have a bandwidth limit.  Also only do this if restrict
-        // background data use is *not* enabled, since that takes precedence
-        // use over those networks can have a cost associated with it).
-        final boolean powerSave = mRestrictPower && !mRestrictBackground;
-
         // First, generate identities of all connected networks so we can
         // quickly compare them against all defined policies below.
         final ArrayList<Pair<String, NetworkIdentity>> connIdents = new ArrayList<>(states.length);
@@ -1193,9 +1191,6 @@
                 final String baseIface = state.linkProperties.getInterfaceName();
                 if (baseIface != null) {
                     connIdents.add(Pair.create(baseIface, ident));
-                    if (powerSave) {
-                        connIfaces.add(baseIface);
-                    }
                 }
 
                 // Stacked interfaces are considered to have same identity as
@@ -1205,9 +1200,6 @@
                     final String stackedIface = stackedLink.getInterfaceName();
                     if (stackedIface != null) {
                         connIdents.add(Pair.create(stackedIface, ident));
-                        if (powerSave) {
-                            connIfaces.add(stackedIface);
-                        }
                     }
                 }
             }
@@ -1254,8 +1246,7 @@
             }
 
             if (LOGD) {
-                Slog.d(TAG, "applying policy " + policy.toString() + " to ifaces "
-                        + Arrays.toString(ifaces));
+                Slog.d(TAG, "applying policy " + policy + " to ifaces " + Arrays.toString(ifaces));
             }
 
             final boolean hasWarning = policy.warningBytes != LIMIT_DISABLED;
@@ -1286,9 +1277,6 @@
                     removeInterfaceQuota(iface);
                     setInterfaceQuota(iface, quotaBytes);
                     newMeteredIfaces.add(iface);
-                    if (powerSave) {
-                        connIfaces.remove(iface);
-                    }
                 }
             }
 
@@ -1631,7 +1619,7 @@
             try {
                 final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
                 if (oldPolicy != policy) {
-                    setUidPolicyUncheckedLocked(uid, policy, true);
+                    setUidPolicyUncheckedLocked(uid, oldPolicy, policy, true);
                 }
             } finally {
                 Binder.restoreCallingIdentity(token);
@@ -1651,7 +1639,7 @@
             final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
             policy |= oldPolicy;
             if (oldPolicy != policy) {
-                setUidPolicyUncheckedLocked(uid, policy, true);
+                setUidPolicyUncheckedLocked(uid, oldPolicy, policy, true);
             }
         }
     }
@@ -1668,11 +1656,22 @@
             final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
             policy = oldPolicy & ~policy;
             if (oldPolicy != policy) {
-                setUidPolicyUncheckedLocked(uid, policy, true);
+                setUidPolicyUncheckedLocked(uid, oldPolicy, policy, true);
             }
         }
     }
 
+    private void setUidPolicyUncheckedLocked(int uid, int oldPolicy, int policy, boolean persist) {
+        setUidPolicyUncheckedLocked(uid, policy, persist);
+
+        // Checks if app was added or removed to the blacklist.
+        if ((oldPolicy == POLICY_NONE && policy == POLICY_REJECT_METERED_BACKGROUND)
+                || (oldPolicy == POLICY_REJECT_METERED_BACKGROUND && policy == POLICY_NONE)) {
+            mHandler.obtainMessage(MSG_RESTRICT_BACKGROUND_WHITELIST_CHANGED, uid, 0)
+                    .sendToTarget();
+        }
+    }
+
     private void setUidPolicyUncheckedLocked(int uid, int policy, boolean persist) {
         mUidPolicy.put(uid, policy);
 
@@ -2000,7 +1999,20 @@
     public int getRestrictBackgroundByCaller() {
         mContext.enforceCallingOrSelfPermission(ACCESS_NETWORK_STATE, TAG);
         final int uid = Binder.getCallingUid();
+
         synchronized (mRulesLock) {
+            // Must clear identity because getUidPolicy() is restricted to system.
+            final long token = Binder.clearCallingIdentity();
+            final int policy;
+            try {
+                policy = getUidPolicy(uid);
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+            if (policy == POLICY_REJECT_METERED_BACKGROUND) {
+                // App is blacklisted.
+                return RESTRICT_BACKGROUND_STATUS_ENABLED;
+            }
             if (!mRestrictBackground) {
                 return RESTRICT_BACKGROUND_STATUS_DISABLED;
             }
@@ -2299,9 +2311,14 @@
             // state changed, push updated rules
             mUidState.put(uid, uidState);
             updateRulesForUidStateChangeLocked(uid, oldUidState, uidState);
-            if (mDeviceIdleMode && isProcStateAllowedWhileIdle(oldUidState)
-                    != isProcStateAllowedWhileIdle(uidState)) {
-                updateRuleForDeviceIdleLocked(uid);
+            if (isProcStateAllowedWhileIdleOrPowerSaveMode(oldUidState)
+                    != isProcStateAllowedWhileIdleOrPowerSaveMode(uidState) ) {
+                if (mDeviceIdleMode) {
+                    updateRuleForDeviceIdleLocked(uid);
+                }
+                if (mRestrictPower) {
+                    updateRulesForRestrictPowerLocked(uid);
+                }
             }
         }
     }
@@ -2317,6 +2334,9 @@
                 if (mDeviceIdleMode) {
                     updateRuleForDeviceIdleLocked(uid);
                 }
+                if (mRestrictPower) {
+                    updateRulesForRestrictPowerLocked(uid);
+                }
             }
         }
     }
@@ -2354,15 +2374,36 @@
         }
     }
 
-    static boolean isProcStateAllowedWhileIdle(int procState) {
+    static boolean isProcStateAllowedWhileIdleOrPowerSaveMode(int procState) {
         return procState <= ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE;
     }
 
+    void updateRulesForRestrictPowerLocked() {
+        updateRulesForWhitelistedPowerSaveLocked(mRestrictPower, FIREWALL_CHAIN_POWERSAVE,
+                mUidFirewallPowerSaveRules);
+    }
+
+    void updateRulesForRestrictPowerLocked(int uid) {
+        updateRulesForWhitelistedPowerSaveLocked(uid, mRestrictPower, FIREWALL_CHAIN_POWERSAVE);
+    }
+
     void updateRulesForDeviceIdleLocked() {
-        if (mDeviceIdleMode) {
-            // sync the whitelists before enable dozable chain.  We don't care about the rules if
+        updateRulesForWhitelistedPowerSaveLocked(mDeviceIdleMode, FIREWALL_CHAIN_DOZABLE,
+                mUidFirewallDozableRules);
+    }
+
+    void updateRuleForDeviceIdleLocked(int uid) {
+        updateRulesForWhitelistedPowerSaveLocked(uid, mDeviceIdleMode, FIREWALL_CHAIN_DOZABLE);
+    }
+
+    // NOTE: since both fw_dozable and fw_powersave uses the same map (mPowerSaveTempWhitelistAppIds)
+    // for whitelisting, we can reuse their logic in this method.
+    private void updateRulesForWhitelistedPowerSaveLocked(boolean enabled, int chain,
+            SparseIntArray rules) {
+        if (enabled) {
+            // Sync the whitelists before enabling the chain.  We don't care about the rules if
             // we are disabling the chain.
-            final SparseIntArray uidRules = mUidFirewallDozableRules;
+            final SparseIntArray uidRules = rules;
             uidRules.clear();
             final List<UserInfo> users = mUserManager.getUsers();
             for (int ui = users.size() - 1; ui >= 0; ui--) {
@@ -2381,24 +2422,26 @@
                 }
             }
             for (int i = mUidState.size() - 1; i >= 0; i--) {
-                if (isProcStateAllowedWhileIdle(mUidState.valueAt(i))) {
+                if (isProcStateAllowedWhileIdleOrPowerSaveMode(mUidState.valueAt(i))) {
                     uidRules.put(mUidState.keyAt(i), FIREWALL_RULE_ALLOW);
                 }
             }
-            setUidFirewallRules(FIREWALL_CHAIN_DOZABLE, uidRules);
+            setUidFirewallRules(chain, uidRules);
         }
 
-        enableFirewallChainLocked(FIREWALL_CHAIN_DOZABLE, mDeviceIdleMode);
+        enableFirewallChainLocked(chain, enabled);
     }
 
-    void updateRuleForDeviceIdleLocked(int uid) {
-        if (mDeviceIdleMode) {
+    // NOTE: since both fw_dozable and fw_powersave uses the same map (mPowerSaveTempWhitelistAppIds)
+    // for whitelisting, we can reuse their logic in this method.
+    private void updateRulesForWhitelistedPowerSaveLocked(int uid, boolean enabled, int chain) {
+        if (enabled) {
             int appId = UserHandle.getAppId(uid);
             if (mPowerSaveTempWhitelistAppIds.get(appId) || mPowerSaveWhitelistAppIds.get(appId)
-                    || isProcStateAllowedWhileIdle(mUidState.get(uid))) {
-                setUidFirewallRule(FIREWALL_CHAIN_DOZABLE, uid, FIREWALL_RULE_ALLOW);
+                    || isProcStateAllowedWhileIdleOrPowerSaveMode(mUidState.get(uid))) {
+                setUidFirewallRule(chain, uid, FIREWALL_RULE_ALLOW);
             } else {
-                setUidFirewallRule(FIREWALL_CHAIN_DOZABLE, uid, FIREWALL_RULE_DEFAULT);
+                setUidFirewallRule(chain, uid, FIREWALL_RULE_DEFAULT);
             }
         }
 
@@ -2454,10 +2497,14 @@
      * {@link #mRestrictPower}, or {@link #mDeviceIdleMode} value.
      */
     void updateRulesForGlobalChangeLocked(boolean restrictedNetworksChanged) {
+        long start;
+        if (LOGD) start = System.currentTimeMillis();
+
         final PackageManager pm = mContext.getPackageManager();
 
         updateRulesForDeviceIdleLocked();
         updateRulesForAppIdleLocked();
+        updateRulesForRestrictPowerLocked();
 
         // update rules for all installed applications
         final List<UserInfo> users = mUserManager.getUsers();
@@ -2465,8 +2512,12 @@
                 PackageManager.GET_UNINSTALLED_PACKAGES | PackageManager.GET_DISABLED_COMPONENTS
                         | PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE);
 
-        for (UserInfo user : users) {
-            for (ApplicationInfo app : apps) {
+        final int usersSize = users.size();
+        final int appsSize = apps.size();
+        for (int i = 0; i < usersSize; i++) {
+            final UserInfo user = users.get(i);
+            for (int j = 0; j < appsSize; j++) {
+                final ApplicationInfo app = apps.get(j);
                 final int uid = UserHandle.getUid(user.id, app.uid);
                 updateRulesForUidLocked(uid);
             }
@@ -2481,16 +2532,23 @@
             normalizePoliciesLocked();
             updateNetworkRulesLocked();
         }
+        if (LOGD) {
+          final long delta = System.currentTimeMillis() - start;
+          Slog.d(TAG, "updateRulesForGlobalChangeLocked(" + restrictedNetworksChanged + ") took "
+                  + delta + "ms");
+        }
     }
 
     void updateRulesForTempWhitelistChangeLocked() {
         final List<UserInfo> users = mUserManager.getUsers();
-        for (UserInfo user : users) {
-            for (int i = mPowerSaveTempWhitelistAppIds.size() - 1; i >= 0; i--) {
-                int appId = mPowerSaveTempWhitelistAppIds.keyAt(i);
+        for (int i = 0; i < users.size(); i++) {
+            final UserInfo user = users.get(i);
+            for (int j = mPowerSaveTempWhitelistAppIds.size() - 1; j >= 0; j--) {
+                int appId = mPowerSaveTempWhitelistAppIds.keyAt(j);
                 int uid = UserHandle.getUid(user.id, appId);
                 updateRuleForAppIdleLocked(uid);
                 updateRuleForDeviceIdleLocked(uid);
+                updateRulesForRestrictPowerLocked(uid);
             }
         }
     }
@@ -2583,6 +2641,12 @@
             uidRules = RULE_REJECT_ALL;
         }
 
+        // Check powersave state, which is whitelist
+        if (mFirewallChainStates.get(FIREWALL_CHAIN_POWERSAVE)
+                && mUidFirewallPowerSaveRules.get(uid, FIREWALL_RULE_DEFAULT) != FIREWALL_RULE_ALLOW) {
+            uidRules = RULE_REJECT_ALL;
+        }
+
         // Check standby state, which is blacklist
         if (mFirewallChainStates.get(FIREWALL_CHAIN_STANDBY)
                 && mUidFirewallStandbyRules.get(uid, FIREWALL_RULE_DEFAULT) == FIREWALL_RULE_DENY) {
@@ -2810,6 +2874,8 @@
             mUidFirewallDozableRules.put(uid, rule);
         } else if (chain == FIREWALL_CHAIN_STANDBY) {
             mUidFirewallStandbyRules.put(uid, rule);
+        } else if (chain == FIREWALL_CHAIN_POWERSAVE) {
+            mUidFirewallPowerSaveRules.put(uid, rule);
         }
 
         try {
diff --git a/services/core/java/com/android/server/notification/NotificationComparator.java b/services/core/java/com/android/server/notification/NotificationComparator.java
index 5e4703d..7dff2c1 100644
--- a/services/core/java/com/android/server/notification/NotificationComparator.java
+++ b/services/core/java/com/android/server/notification/NotificationComparator.java
@@ -28,10 +28,11 @@
         final int leftImportance = left.getImportance();
         final int rightImportance = right.getImportance();
         if (leftImportance != rightImportance) {
-            // by priority, high to low
+            // by importance, high to low
             return -1 * Integer.compare(leftImportance, rightImportance);
         }
 
+        // Whether or not the notification can bypass DND.
         final int leftPackagePriority = left.getPackagePriority();
         final int rightPackagePriority = right.getPackagePriority();
         if (leftPackagePriority != rightPackagePriority) {
@@ -39,6 +40,13 @@
             return -1 * Integer.compare(leftPackagePriority, rightPackagePriority);
         }
 
+        final int leftPriority = left.sbn.getNotification().priority;
+        final int rightPriority = right.sbn.getNotification().priority;
+        if (leftPriority != rightPriority) {
+            // by priority, high to low
+            return -1 * Integer.compare(leftPriority, rightPriority);
+        }
+
         final float leftPeople = left.getContactAffinity();
         final float rightPeople = right.getContactAffinity();
         if (leftPeople != rightPeople) {
diff --git a/services/core/java/com/android/server/notification/NotificationIntrusivenessExtractor.java b/services/core/java/com/android/server/notification/NotificationIntrusivenessExtractor.java
index b57cc75..bcdeb66 100644
--- a/services/core/java/com/android/server/notification/NotificationIntrusivenessExtractor.java
+++ b/services/core/java/com/android/server/notification/NotificationIntrusivenessExtractor.java
@@ -23,7 +23,7 @@
 import android.util.Slog;
 
 /**
- * This {@link com.android.server.notification.NotificationSignalExtractor} noticies noisy
+ * This {@link com.android.server.notification.NotificationSignalExtractor} notices noisy
  * notifications and marks them to get a temporary ranking bump.
  */
 public class NotificationIntrusivenessExtractor implements NotificationSignalExtractor {
@@ -44,9 +44,15 @@
             return null;
         }
 
-        final Notification notification = record.getNotification();
-        if (record.getImportance() > NotificationListenerService.Ranking.IMPORTANCE_DEFAULT) {
-            record.setRecentlyIntrusive(true);
+        if (record.getImportance() >= NotificationListenerService.Ranking.IMPORTANCE_DEFAULT) {
+            final Notification notification = record.getNotification();
+            if ((notification.defaults & Notification.DEFAULT_VIBRATE) != 0 ||
+                    notification.vibrate != null ||
+                    (notification.defaults & Notification.DEFAULT_SOUND) != 0 ||
+                    notification.sound != null ||
+                    notification.fullScreenIntent != null) {
+                record.setRecentlyIntrusive(true);
+            }
         }
 
         return new RankingReconsideration(record.getKey(), HANG_TIME_MS) {
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index e8d27db..3855579 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -1320,7 +1320,7 @@
 
         @Override
         public int getImportance(String pkg, int uid) {
-            checkCallerIsSystem();
+            enforceSystemOrSystemUI("Caller not system or systemui");
             return mRankingHelper.getImportance(pkg, uid);
         }
 
diff --git a/services/core/java/com/android/server/pm/DefaultPermissionGrantPolicy.java b/services/core/java/com/android/server/pm/DefaultPermissionGrantPolicy.java
index d6b59f9..9ec6da0 100644
--- a/services/core/java/com/android/server/pm/DefaultPermissionGrantPolicy.java
+++ b/services/core/java/com/android/server/pm/DefaultPermissionGrantPolicy.java
@@ -714,7 +714,8 @@
     private PackageParser.Package getDefaultSystemHandlerServicePackageLPr(
             Intent intent, int userId) {
         List<ResolveInfo> handlers = mService.queryIntentServices(intent,
-                intent.resolveType(mService.mContext.getContentResolver()), DEFAULT_FLAGS, userId);
+                intent.resolveType(mService.mContext.getContentResolver()), DEFAULT_FLAGS, userId)
+                .getList();
         if (handlers == null) {
             return null;
         }
diff --git a/services/core/java/com/android/server/pm/Installer.java b/services/core/java/com/android/server/pm/Installer.java
index 1476e6e..93dcc72 100644
--- a/services/core/java/com/android/server/pm/Installer.java
+++ b/services/core/java/com/android/server/pm/Installer.java
@@ -203,6 +203,11 @@
         mInstaller.execute("linkfile", relativePath, fromBase, toBase);
     }
 
+    public void moveAb(String apkPath, String instructionSet, String outputPath)
+            throws InstallerException {
+        mInstaller.execute("move_ab", apkPath, instructionSet, outputPath);
+    }
+
     private static void assertValidInstructionSet(String instructionSet)
             throws InstallerException {
         for (String abi : Build.SUPPORTED_ABIS) {
diff --git a/services/core/java/com/android/server/pm/OtaDexoptService.java b/services/core/java/com/android/server/pm/OtaDexoptService.java
index 94b3b2d..67aeed1 100644
--- a/services/core/java/com/android/server/pm/OtaDexoptService.java
+++ b/services/core/java/com/android/server/pm/OtaDexoptService.java
@@ -16,36 +16,28 @@
 
 package com.android.server.pm;
 
-import android.app.AppGlobals;
+import static com.android.server.pm.Installer.DEXOPT_OTA;
+import static com.android.server.pm.InstructionSets.getAppDexInstructionSets;
+import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets;
+
 import android.content.Context;
-import android.content.Intent;
 import android.content.pm.IOtaDexopt;
 import android.content.pm.PackageParser;
 import android.content.pm.PackageParser.Package;
-import android.content.pm.ResolveInfo;
 import android.os.Environment;
 import android.os.RemoteException;
 import android.os.ResultReceiver;
 import android.os.ServiceManager;
-import android.os.UserHandle;
 import android.os.storage.StorageManager;
-import android.util.ArraySet;
 import android.util.Log;
+import android.util.Slog;
 
-import dalvik.system.DexFile;
+import com.android.internal.os.InstallerConnection.InstallerException;
 
 import java.io.File;
 import java.io.FileDescriptor;
-import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedList;
 import java.util.List;
-import java.util.Set;
-
-import static com.android.server.pm.Installer.DEXOPT_OTA;
 
 /**
  * A service for A/B OTA dexopting.
@@ -70,6 +62,9 @@
         // Use the package manager install and install lock here for the OTA dex optimizer.
         mPackageDexOptimizer = new OTADexoptPackageDexOptimizer(packageManagerService.mInstaller,
                 packageManagerService.mInstallLock, context);
+
+        // Now it's time to check whether we need to move any A/B artifacts.
+        moveAbArtifacts(packageManagerService.mInstaller);
     }
 
     public static OtaDexoptService main(Context context,
@@ -150,20 +145,50 @@
                 false /* extractOnly */);
     }
 
-    private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) {
-        List<ResolveInfo> ris = null;
-        try {
-            ris = AppGlobals.getPackageManager().queryIntentReceivers(
-                    intent, null, 0, userId);
-        } catch (RemoteException e) {
+    private void moveAbArtifacts(Installer installer) {
+        if (mDexoptPackages != null) {
+            throw new IllegalStateException("Should not be ota-dexopting when trying to move.");
         }
-        ArraySet<String> pkgNames = new ArraySet<String>(ris == null ? 0 : ris.size());
-        if (ris != null) {
-            for (ResolveInfo ri : ris) {
-                pkgNames.add(ri.activityInfo.packageName);
+
+        // Look into all packages.
+        Collection<PackageParser.Package> pkgs = mPackageManagerService.getPackages();
+        for (PackageParser.Package pkg : pkgs) {
+            if (pkg == null) {
+                continue;
+            }
+
+            // Does the package have code? If not, there won't be any artifacts.
+            if (!PackageDexOptimizer.canOptimizePackage(pkg)) {
+                continue;
+            }
+            if (pkg.codePath == null) {
+                Slog.w(TAG, "Package " + pkg + " can be optimized but has null codePath");
+                continue;
+            }
+
+            // If the path is in /system or /vendor, ignore. It will have been ota-dexopted into
+            // /data/ota and moved into the dalvik-cache already.
+            if (pkg.codePath.startsWith("/system") || pkg.codePath.startsWith("/vendor")) {
+                continue;
+            }
+
+            final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo);
+            final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly();
+            final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
+            for (String dexCodeInstructionSet : dexCodeInstructionSets) {
+                for (String path : paths) {
+                    String oatDir = PackageDexOptimizer.getOatDir(new File(pkg.codePath)).
+                            getAbsolutePath();
+
+                    // TODO: Check first whether there is an artifact, to save the roundtrip time.
+
+                    try {
+                        installer.moveAb(path, dexCodeInstructionSet, oatDir);
+                    } catch (InstallerException e) {
+                    }
+                }
             }
         }
-        return pkgNames;
     }
 
     private static class OTADexoptPackageDexOptimizer extends
@@ -180,10 +205,5 @@
             return dexoptFlags | DEXOPT_OTA;
         }
 
-        @Override
-        protected void recordSuccessfulDexopt(Package pkg, String instructionSet) {
-            // Never record the dexopt, as it's in the B partition.
-        }
-
     }
 }
diff --git a/services/core/java/com/android/server/pm/PackageDexOptimizer.java b/services/core/java/com/android/server/pm/PackageDexOptimizer.java
index a084d86..c9613b4 100644
--- a/services/core/java/com/android/server/pm/PackageDexOptimizer.java
+++ b/services/core/java/com/android/server/pm/PackageDexOptimizer.java
@@ -113,15 +113,6 @@
     }
 
     /**
-     * Determine whether the package should be skipped for the given instruction set. A return
-     * value of true means the package will be skipped. A return value of false means that the
-     * package will be further investigated, and potentially compiled.
-     */
-    protected boolean shouldSkipBasedOnISA(PackageParser.Package pkg, String instructionSet) {
-        return pkg.mDexOptPerformed.contains(instructionSet);
-    }
-
-    /**
      * Adjust the given dexopt-needed value. Can be overridden to influence the decision to
      * optimize or not (and in what way).
      */
@@ -136,13 +127,6 @@
         return dexoptFlags;
     }
 
-    /**
-     * Update the package status after a successful compilation.
-     */
-    protected void recordSuccessfulDexopt(PackageParser.Package pkg, String instructionSet) {
-        pkg.mDexOptPerformed.add(instructionSet);
-    }
-
     private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets,
             boolean useProfiles, boolean extractOnly) {
         final String[] instructionSets = targetInstructionSets != null ?
@@ -159,11 +143,6 @@
         boolean performedDexOpt = false;
         final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
         for (String dexCodeInstructionSet : dexCodeInstructionSets) {
-            if (!useProfiles && shouldSkipBasedOnISA(pkg, dexCodeInstructionSet)) {
-                // Skip only if we do not use profiles since they might trigger a recompilation.
-                continue;
-            }
-
             for (String path : paths) {
                 if (useProfiles && isUsedByOtherApps(path)) {
                     // We cannot use profile guided compilation if the apk was used by another app.
@@ -172,35 +151,44 @@
                 int dexoptNeeded;
 
                 try {
-                    dexoptNeeded = DexFile.getDexOptNeeded(path, pkg.packageName,
-                            dexCodeInstructionSet, /* defer */false);
+                    int compilationTypeMask = 0;
+                    if (extractOnly) {
+                        // For extract only, any type of compilation is good.
+                        compilationTypeMask = DexFile.COMPILATION_TYPE_FULL
+                            | DexFile.COMPILATION_TYPE_PROFILE_GUIDE
+                            | DexFile.COMPILATION_TYPE_EXTRACT_ONLY;
+                    } else {
+                        // Branch taken for profile guide and full compilation.
+                        // Profile guide compilation should only recompile a previous
+                        // profile compiled/extract only file and should not be attempted if the
+                        // apk is already fully compiled. So test against a full compilation type.
+                        compilationTypeMask = DexFile.COMPILATION_TYPE_FULL;
+                    }
+                    dexoptNeeded = DexFile.getDexOptNeeded(path,
+                            dexCodeInstructionSet, compilationTypeMask);
                 } catch (IOException ioe) {
                     Slog.w(TAG, "IOException reading apk: " + path, ioe);
                     return DEX_OPT_FAILED;
                 }
                 dexoptNeeded = adjustDexoptNeeded(dexoptNeeded);
 
-                if (dexoptNeeded == DexFile.NO_DEXOPT_NEEDED) {
-                    if (useProfiles) {
-                        // Profiles may trigger re-compilation. The final decision is taken in
-                        // installd.
-                        dexoptNeeded = DexFile.DEX2OAT_NEEDED;
-                    } else {
-                        // No dexopt needed and we don't use profiles. Nothing to do.
-                        continue;
-                    }
-                }
                 final String dexoptType;
                 String oatDir = null;
-                if (dexoptNeeded == DexFile.DEX2OAT_NEEDED) {
-                    dexoptType = "dex2oat";
-                    oatDir = createOatDirIfSupported(pkg, dexCodeInstructionSet);
-                } else if (dexoptNeeded == DexFile.PATCHOAT_NEEDED) {
-                    dexoptType = "patchoat";
-                } else if (dexoptNeeded == DexFile.SELF_PATCHOAT_NEEDED) {
-                    dexoptType = "self patchoat";
-                } else {
-                    throw new IllegalStateException("Invalid dexopt needed: " + dexoptNeeded);
+                switch (dexoptNeeded) {
+                    case DexFile.NO_DEXOPT_NEEDED:
+                        continue;
+                    case DexFile.DEX2OAT_NEEDED:
+                        dexoptType = "dex2oat";
+                        oatDir = createOatDirIfSupported(pkg, dexCodeInstructionSet);
+                        break;
+                    case DexFile.PATCHOAT_NEEDED:
+                        dexoptType = "patchoat";
+                        break;
+                    case DexFile.SELF_PATCHOAT_NEEDED:
+                        dexoptType = "self patchoat";
+                        break;
+                    default:
+                        throw new IllegalStateException("Invalid dexopt:" + dexoptNeeded);
                 }
 
 
@@ -226,15 +214,6 @@
                     Slog.w(TAG, "Failed to dexopt", e);
                 }
             }
-
-            if (!extractOnly) {
-                // At this point we haven't failed dexopt and we haven't deferred dexopt. We must
-                // either have either succeeded dexopt, or have had getDexOptNeeded tell us
-                // it isn't required. We therefore mark that this package doesn't need dexopt unless
-                // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped
-                // it.
-                recordSuccessfulDexopt(pkg, dexCodeInstructionSet);
-            }
         }
 
         // If we've gotten here, we're sure that no error occurred and that we haven't
@@ -317,12 +296,6 @@
         }
 
         @Override
-        protected boolean shouldSkipBasedOnISA(Package pkg, String instructionSet) {
-            // Forced compilation, never skip.
-            return false;
-        }
-
-        @Override
         protected int adjustDexoptNeeded(int dexoptNeeded) {
             // Ensure compilation, no matter the current state.
             // TODO: The return value is wrong when patchoat is needed.
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 55be545..8d4c9e5 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -103,6 +103,7 @@
 import android.app.ActivityManager;
 import android.app.ActivityManagerNative;
 import android.app.IActivityManager;
+import android.app.admin.DevicePolicyManagerInternal;
 import android.app.admin.IDevicePolicyManager;
 import android.app.backup.IBackupManager;
 import android.content.BroadcastReceiver;
@@ -174,7 +175,6 @@
 import android.os.Message;
 import android.os.Parcel;
 import android.os.ParcelFileDescriptor;
-import android.os.Parcelable;
 import android.os.Process;
 import android.os.RemoteCallbackList;
 import android.os.RemoteException;
@@ -360,6 +360,7 @@
     static final int SCAN_MOVE = 1<<13;
     static final int SCAN_INITIAL = 1<<14;
     static final int SCAN_CHECK_ONLY = 1<<15;
+    static final int SCAN_DONT_KILL_APP = 1<<17;
 
     static final int REMOVE_CHATTY = 1<<16;
 
@@ -499,6 +500,9 @@
     final ArrayMap<String, PackageParser.Package> mPackages =
             new ArrayMap<String, PackageParser.Package>();
 
+    final ArrayMap<String, Set<String>> mKnownCodebase =
+            new ArrayMap<String, Set<String>>();
+
     // Tracks available target package names -> overlay package paths.
     final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays =
         new ArrayMap<String, ArrayMap<String, PackageParser.Package>>();
@@ -639,9 +643,6 @@
     // List of packages names to keep cached, even if they are uninstalled for all users
     private List<String> mKeepUninstalledPackages;
 
-    private boolean mUseJitProfiles =
-            SystemProperties.getBoolean("dalvik.vm.usejitprofiles", false);
-
     private static class IFVerificationParams {
         PackageParser.Package pkg;
         boolean replacing;
@@ -1428,19 +1429,21 @@
 
                         final boolean grantPermissions = (args.installFlags
                                 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0;
+                        final boolean killApp = (args.installFlags
+                                & PackageManager.INSTALL_DONT_KILL_APP) == 0;
                         final String[] grantedPermissions = args.installGrantPermissions;
 
                         // Handle the parent package
-                        handlePackagePostInstall(parentRes, grantPermissions, grantedPermissions,
-                                args.observer);
+                        handlePackagePostInstall(parentRes, grantPermissions, killApp,
+                                grantedPermissions, args.observer);
 
                         // Handle the child packages
                         final int childCount = (parentRes.addedChildPackages != null)
                                 ? parentRes.addedChildPackages.size() : 0;
                         for (int i = 0; i < childCount; i++) {
                             PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i);
-                            handlePackagePostInstall(childRes, grantPermissions, grantedPermissions,
-                                    args.observer);
+                            handlePackagePostInstall(childRes, grantPermissions, killApp,
+                                    grantedPermissions, args.observer);
                         }
 
                         // Log tracing if needed
@@ -1635,11 +1638,12 @@
     }
 
     private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions,
-            String[] grantedPermissions, IPackageInstallObserver2 installObserver) {
+            boolean killApp, String[] grantedPermissions,
+            IPackageInstallObserver2 installObserver) {
         if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
             // Send the removed broadcasts
             if (res.removedInfo != null) {
-                res.removedInfo.sendPackageRemovedBroadcasts();
+                res.removedInfo.sendPackageRemovedBroadcasts(killApp);
             }
 
             // Now that we successfully installed the package, grant runtime
@@ -2161,10 +2165,12 @@
                         }
 
                         try {
-                            int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false);
+                            // Shared libraries do not have profiles so we perform a full
+                            // AOT compilation (if needed).
+                            int dexoptNeeded = DexFile.getDexOptNeeded(
+                                    lib, dexCodeInstructionSet,
+                                    DexFile.COMPILATION_TYPE_FULL);
                             if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
-                                // Shared libraries do not have profiles so we perform a full
-                                // AOT compilation.
                                 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet,
                                         dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/,
                                         StorageManager.UUID_PRIVATE_INTERNAL,
@@ -2558,7 +2564,7 @@
     private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() {
         final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
 
-        final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE,
+        final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE,
                 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM);
         if (matches.size() == 1) {
             return matches.get(0).getComponentInfo().packageName;
@@ -2573,7 +2579,7 @@
         intent.addCategory(Intent.CATEGORY_DEFAULT);
         intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE);
 
-        final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE,
+        final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE,
                 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM);
         if (matches.size() == 1) {
             return matches.get(0).getComponentInfo().packageName;
@@ -2585,7 +2591,7 @@
     private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() {
         final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
 
-        final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE,
+        final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE,
                 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM);
         ResolveInfo best = null;
         final int N = matches.size();
@@ -2620,7 +2626,7 @@
         }
 
         final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE);
-        final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null,
+        final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null,
                 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM);
 
         final int N = resolvers.size();
@@ -2665,7 +2671,7 @@
         intent.addCategory(Intent.CATEGORY_DEFAULT);
         intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE);
 
-        final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE,
+        final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE,
                 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM);
         if (matches.size() == 0) {
             return null;
@@ -2760,7 +2766,7 @@
 
     private List<String> resolveAllBrowserApps(int userId) {
         // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set
-        List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null,
+        List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null,
                 PackageManager.MATCH_ALL, userId);
 
         final int count = list.size();
@@ -2780,7 +2786,7 @@
     }
 
     private boolean packageIsBrowser(String packageName, int userId) {
-        List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null,
+        List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null,
                 PackageManager.MATCH_ALL, userId);
         final int N = list.size();
         for (int i = 0; i < N; i++) {
@@ -3029,9 +3035,15 @@
     }
 
     @Override
-    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
+    public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group,
+            int flags) {
         // reader
         synchronized (mPackages) {
+            if (group != null && !mPermissionGroups.containsKey(group)) {
+                // This is thrown as NameNotFoundException
+                return null;
+            }
+
             ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
             for (BasePermission p : mSettings.mPermissions.values()) {
                 if (group == null) {
@@ -3044,11 +3056,7 @@
                     }
                 }
             }
-
-            if (out.size() > 0) {
-                return out;
-            }
-            return mPermissionGroups.containsKey(group) ? out : null;
+            return new ParceledListSlice<>(out);
         }
     }
 
@@ -3062,7 +3070,7 @@
     }
 
     @Override
-    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
+    public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) {
         // reader
         synchronized (mPackages) {
             final int N = mPermissionGroups.size();
@@ -3071,7 +3079,7 @@
             for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
                 out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
             }
-            return out;
+            return new ParceledListSlice<>(out);
         }
     }
 
@@ -3469,22 +3477,17 @@
     }
 
     @Override
-    public FeatureInfo[] getSystemAvailableFeatures() {
-        Collection<FeatureInfo> featSet;
+    public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() {
         synchronized (mPackages) {
-            featSet = mAvailableFeatures.values();
-            int size = featSet.size();
-            if (size > 0) {
-                FeatureInfo[] features = new FeatureInfo[size+1];
-                featSet.toArray(features);
-                FeatureInfo fi = new FeatureInfo();
-                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
-                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
-                features[size] = fi;
-                return features;
-            }
+            final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values());
+
+            final FeatureInfo fi = new FeatureInfo();
+            fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
+                    FeatureInfo.GL_ES_VERSION_UNDEFINED);
+            res.add(fi);
+
+            return new ParceledListSlice<>(res);
         }
-        return null;
     }
 
     @Override
@@ -4564,7 +4567,8 @@
         flags = updateFlagsForResolve(flags, userId, intent);
         enforceCrossUserPermission(Binder.getCallingUid(), userId,
                 false /* requireFullPermission */, false /* checkShell */, "resolve intent");
-        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
+        final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags,
+                userId);
         final ResolveInfo bestChoice =
                 chooseBestActivity(intent, resolvedType, flags, query, userId);
 
@@ -4596,7 +4600,8 @@
             filter.dump(new PrintStreamPrinter(System.out), "    ");
         }
         intent.setComponent(null);
-        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
+        final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags,
+                userId);
         // Find any earlier preferred or last chosen entries and nuke them
         findPreferredActivity(intent, resolvedType,
                 flags, query, 0, false, true, false, userId);
@@ -4609,7 +4614,8 @@
     public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
         final int userId = UserHandle.getCallingUserId();
         if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
-        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
+        final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags,
+                userId);
         return findPreferredActivity(intent, resolvedType, flags, query, 0,
                 false, false, false, userId);
     }
@@ -5020,7 +5026,13 @@
     }
 
     @Override
-    public List<ResolveInfo> queryIntentActivities(Intent intent,
+    public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent,
+            String resolvedType, int flags, int userId) {
+        return new ParceledListSlice<>(
+                queryIntentActivitiesInternal(intent, resolvedType, flags, userId));
+    }
+
+    private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent,
             String resolvedType, int flags, int userId) {
         if (!sUserManager.exists(userId)) return Collections.emptyList();
         flags = updateFlagsForResolve(flags, userId, intent);
@@ -5511,7 +5523,14 @@
     }
 
     @Override
-    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
+    public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
+            Intent[] specifics, String[] specificTypes, Intent intent,
+            String resolvedType, int flags, int userId) {
+        return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics,
+                specificTypes, intent, resolvedType, flags, userId));
+    }
+
+    private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller,
             Intent[] specifics, String[] specificTypes, Intent intent,
             String resolvedType, int flags, int userId) {
         if (!sUserManager.exists(userId)) return Collections.emptyList();
@@ -5521,7 +5540,7 @@
                 "query intent activity options");
         final String resultsAction = intent.getAction();
 
-        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
+        final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags
                 | PackageManager.GET_RESOLVED_FILTER, userId);
 
         if (DEBUG_INTENT_MATCHING) {
@@ -5686,8 +5705,14 @@
     }
 
     @Override
-    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
-            int userId) {
+    public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent,
+            String resolvedType, int flags, int userId) {
+        return new ParceledListSlice<>(
+                queryIntentReceiversInternal(intent, resolvedType, flags, userId));
+    }
+
+    private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent,
+            String resolvedType, int flags, int userId) {
         if (!sUserManager.exists(userId)) return Collections.emptyList();
         flags = updateFlagsForResolve(flags, userId, intent);
         ComponentName comp = intent.getComponent();
@@ -5719,7 +5744,7 @@
                 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
                         userId);
             }
-            return null;
+            return Collections.emptyList();
         }
     }
 
@@ -5727,7 +5752,7 @@
     public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
         if (!sUserManager.exists(userId)) return null;
         flags = updateFlagsForResolve(flags, userId, intent);
-        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
+        List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId);
         if (query != null) {
             if (query.size() >= 1) {
                 // If there is more than one service with the same priority,
@@ -5739,8 +5764,14 @@
     }
 
     @Override
-    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
-            int userId) {
+    public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent,
+            String resolvedType, int flags, int userId) {
+        return new ParceledListSlice<>(
+                queryIntentServicesInternal(intent, resolvedType, flags, userId));
+    }
+
+    private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent,
+            String resolvedType, int flags, int userId) {
         if (!sUserManager.exists(userId)) return Collections.emptyList();
         flags = updateFlagsForResolve(flags, userId, intent);
         ComponentName comp = intent.getComponent();
@@ -5772,12 +5803,18 @@
                 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
                         userId);
             }
-            return null;
+            return Collections.emptyList();
         }
     }
 
     @Override
-    public List<ResolveInfo> queryIntentContentProviders(
+    public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent,
+            String resolvedType, int flags, int userId) {
+        return new ParceledListSlice<>(
+                queryIntentContentProvidersInternal(intent, resolvedType, flags, userId));
+    }
+
+    private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal(
             Intent intent, String resolvedType, int flags, int userId) {
         if (!sUserManager.exists(userId)) return Collections.emptyList();
         flags = updateFlagsForResolve(flags, userId, intent);
@@ -5810,7 +5847,7 @@
                 return mProviders.queryIntentForPackage(
                         intent, resolvedType, flags, pkg.providers, userId);
             }
-            return null;
+            return Collections.emptyList();
         }
     }
 
@@ -6066,7 +6103,12 @@
                 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid;
     }
 
-    public List<ApplicationInfo> getPersistentApplications(int flags) {
+    @Override
+    public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) {
+        return new ParceledListSlice<>(getPersistentApplicationsInternal(flags));
+    }
+
+    private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) {
         final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
 
         // reader
@@ -6148,11 +6190,11 @@
     }
 
     @Override
-    public ParceledListSlice<ProviderInfo> queryContentProviders(String processName,
+    public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName,
             int uid, int flags) {
         final int userId = processName != null ? UserHandle.getUserId(uid)
                 : UserHandle.getCallingUserId();
-        if (!sUserManager.exists(userId)) return null;
+        if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList();
         flags = updateFlagsForComponent(flags, userId, processName);
 
         ArrayList<ProviderInfo> finalList = null;
@@ -6184,7 +6226,7 @@
             return new ParceledListSlice<ProviderInfo>(finalList);
         }
 
-        return null;
+        return ParceledListSlice.emptyList();
     }
 
     @Override
@@ -6197,10 +6239,14 @@
     }
 
     @Override
-    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
+    public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation(
+            String targetPackage, int flags) {
+        return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags));
+    }
+
+    private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage,
             int flags) {
-        ArrayList<InstrumentationInfo> finalList =
-            new ArrayList<InstrumentationInfo>();
+        ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>();
 
         // reader
         synchronized (mPackages) {
@@ -6838,7 +6884,7 @@
 
         // Extract pacakges only if profile-guided compilation is enabled because
         // otherwise BackgroundDexOptService will not dexopt them later.
-        if (!mUseJitProfiles || !isUpgrade()) {
+        if (!isUpgrade()) {
             return;
         }
 
@@ -6920,10 +6966,6 @@
 
             targetInstructionSet = instructionSet != null ? instructionSet :
                     getPrimaryInstructionSet(p.applicationInfo);
-            if (!force && !useProfiles && p.mDexOptPerformed.contains(targetInstructionSet)) {
-                // Skip only if we do not use profiles since they might trigger a recompilation.
-                return false;
-            }
         }
         long callingId = Binder.clearCallingIdentity();
         try {
@@ -7904,13 +7946,17 @@
         // Request the ActivityManager to kill the process(only for existing packages)
         // so that we do not end up in a confused state while the user is still using the older
         // version of the application while the new one gets installed.
-        if ((scanFlags & SCAN_REPLACING) != 0) {
-            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication");
+        final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0;
+        final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0;
+        if (killApp) {
+            if (isReplacing) {
+                Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication");
 
-            killApplication(pkg.applicationInfo.packageName,
-                        pkg.applicationInfo.uid, "replace pkg");
+                killApplication(pkg.applicationInfo.packageName,
+                            pkg.applicationInfo.uid, "replace pkg");
 
-            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
+                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
+            }
         }
 
         // Also need to kill any apps that are dependent on the library.
@@ -10599,7 +10645,7 @@
         info.removedPackage = packageName;
         info.removedUsers = new int[] {userId};
         info.uid = UserHandle.getUid(userId, pkgSetting.appId);
-        info.sendPackageRemovedBroadcasts();
+        info.sendPackageRemovedBroadcasts(true /*killApp*/);
     }
 
     private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) {
@@ -11075,21 +11121,22 @@
     }
 
     @Override
-    public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) {
+    public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications(
+            String packageName) {
         synchronized (mPackages) {
-            return mSettings.getIntentFilterVerificationsLPr(packageName);
+            return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName));
         }
     }
 
     @Override
-    public List<IntentFilter> getAllIntentFilters(String packageName) {
+    public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) {
         if (TextUtils.isEmpty(packageName)) {
-            return Collections.<IntentFilter>emptyList();
+            return ParceledListSlice.emptyList();
         }
         synchronized (mPackages) {
             PackageParser.Package pkg = mPackages.get(packageName);
             if (pkg == null || pkg.activities == null) {
-                return Collections.<IntentFilter>emptyList();
+                return ParceledListSlice.emptyList();
             }
             final int count = pkg.activities.size();
             ArrayList<IntentFilter> result = new ArrayList<>();
@@ -11099,7 +11146,7 @@
                     result.addAll(activity.intents);
                 }
             }
-            return result;
+            return new ParceledListSlice<>(result);
         }
     }
 
@@ -11825,7 +11872,7 @@
                     verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 
                     // Query all live verifiers based on current user state
-                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
+                    final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification,
                             PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier());
 
                     if (DEBUG_VERIFY) {
@@ -13082,6 +13129,15 @@
         }
     }
 
+    public List<String> getPreviousCodePaths(String packageName) {
+        final PackageSetting ps = mSettings.mPackages.get(packageName);
+        final List<String> result = new ArrayList<String>();
+        if (ps != null && ps.oldCodePaths != null) {
+            result.addAll(ps.oldCodePaths);
+        }
+        return result;
+    }
+
     private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
             PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
             int[] allUsers, String installerPackageName, PackageInstalledInfo res) {
@@ -13091,12 +13147,16 @@
         String pkgName = deletedPackage.packageName;
         boolean deletedPkg = true;
         boolean addedPkg = false;
+        boolean updatedSettings = false;
+        final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0;
+        final int deleteFlags = PackageManager.DELETE_KEEP_DATA
+                | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP);
 
         final long origUpdateTime = (pkg.mExtras != null)
                 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0;
 
         // First delete the existing package while retaining the data directory
-        if (!deletePackageLI(pkgName, null, true, allUsers, PackageManager.DELETE_KEEP_DATA,
+        if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags,
                 res.removedInfo, true, pkg)) {
             // If the existing package wasn't successfully deleted
             res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
@@ -13122,6 +13182,27 @@
                 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags,
                         scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user);
                 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user);
+
+                // Update the in-memory copy of the previous code paths.
+                PackageSetting ps = mSettings.mPackages.get(pkgName);
+                if (!killApp) {
+                    if (ps.oldCodePaths == null) {
+                        ps.oldCodePaths = new ArraySet<>();
+                    }
+                    Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath);
+                    if (deletedPackage.splitCodePaths != null) {
+                        Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths);
+                    }
+                } else {
+                    ps.oldCodePaths = null;
+                }
+                if (ps.childPackageNames != null) {
+                    for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) {
+                        final String childPkgName = ps.childPackageNames.get(i);
+                        final PackageSetting childPs = mSettings.mPackages.get(childPkgName);
+                        childPs.oldCodePaths = ps.oldCodePaths;
+                    }
+                }
                 prepareAppDataAfterInstall(newPackage);
                 addedPkg = true;
             } catch (PackageManagerException e) {
@@ -13134,7 +13215,7 @@
 
             // Revert all internal state mutations and added folders for the failed install
             if (addedPkg) {
-                deletePackageLI(pkgName, null, true, allUsers, PackageManager.DELETE_KEEP_DATA,
+                deletePackageLI(pkgName, null, true, allUsers, deleteFlags,
                         res.removedInfo, true, null);
             }
 
@@ -13587,6 +13668,9 @@
             // moving a complete application; perform an initial scan on the new install location
             scanFlags |= SCAN_INITIAL;
         }
+        if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) {
+            scanFlags |= SCAN_DONT_KILL_APP;
+        }
 
         // Result object to be returned
         res.setReturnCode(PackageManager.INSTALL_SUCCEEDED);
@@ -13853,21 +13937,17 @@
                 return;
             }
 
-            // Extract package to save the VM unzipping the APK in memory during
-            // launch. Only do this if profile-guided compilation is enabled because
-            // otherwise BackgroundDexOptService will not dexopt the package later.
-            if (mUseJitProfiles) {
-                Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
-                // Do not run PackageDexOptimizer through the local performDexOpt
-                // method because `pkg` is not in `mPackages` yet.
-                int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */,
-                        false /* useProfiles */, true /* extractOnly */);
-                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
-                if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
-                    String msg = "Extracking package failed for " + pkgName;
-                    res.setError(INSTALL_FAILED_DEXOPT, msg);
-                    return;
-                }
+
+            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
+            // Do not run PackageDexOptimizer through the local performDexOpt
+            // method because `pkg` is not in `mPackages` yet.
+            int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */,
+                    false /* useProfiles */, true /* extractOnly */);
+            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
+            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
+                String msg = "Extracking package failed for " + pkgName;
+                res.setError(INSTALL_FAILED_DEXOPT, msg);
+                return;
             }
         }
 
@@ -14311,7 +14391,8 @@
         }
 
         if (res) {
-            info.sendPackageRemovedBroadcasts();
+            final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0;
+            info.sendPackageRemovedBroadcasts(killApp);
             info.sendSystemPackageUpdatedBroadcasts();
             info.sendSystemPackageAppearedBroadcasts();
         }
@@ -14343,12 +14424,12 @@
         ArrayMap<String, PackageRemovedInfo> removedChildPackages;
         ArrayMap<String, PackageInstalledInfo> appearedChildPackages;
 
-        void sendPackageRemovedBroadcasts() {
-            sendPackageRemovedBroadcastInternal();
+        void sendPackageRemovedBroadcasts(boolean killApp) {
+            sendPackageRemovedBroadcastInternal(killApp);
             final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0;
             for (int i = 0; i < childCount; i++) {
                 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i);
-                childInfo.sendPackageRemovedBroadcastInternal();
+                childInfo.sendPackageRemovedBroadcastInternal(killApp);
             }
         }
 
@@ -14390,10 +14471,11 @@
                     null, 0, removedPackage, null, null);
         }
 
-        private void sendPackageRemovedBroadcastInternal() {
+        private void sendPackageRemovedBroadcastInternal(boolean killApp) {
             Bundle extras = new Bundle(2);
             extras.putInt(Intent.EXTRA_UID, removedAppId >= 0  ? removedAppId : uid);
             extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved);
+            extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp);
             if (isUpdate || isRemovedPackageSystemUpdate) {
                 extras.putBoolean(Intent.EXTRA_REPLACING, true);
             }
@@ -14884,7 +14966,10 @@
         } else {
             if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name);
             // Kill application pre-emptively especially for apps on sd.
-            killApplication(packageName, ps.appId, "uninstall pkg");
+            final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0;
+            if (killApp) {
+                killApplication(packageName, ps.appId, "uninstall pkg");
+            }
             ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles,
                     outInfo, writeSettings, replacingPackage);
         }
@@ -15066,8 +15151,15 @@
             final IPackageDataObserver observer, final int userId) {
         mContext.enforceCallingOrSelfPermission(
                 android.Manifest.permission.CLEAR_APP_USER_DATA, null);
+
         enforceCrossUserPermission(Binder.getCallingUid(), userId,
                 true /* requireFullPermission */, false /* checkShell */, "clear application data");
+
+        final DevicePolicyManagerInternal dpmi = LocalServices
+                .getService(DevicePolicyManagerInternal.class);
+        if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) {
+            throw new SecurityException("Cannot clear data for a device owner or a profile owner");
+        }
         // Queue up an async operation since the package deletion may take a little while.
         mHandler.post(new Runnable() {
             public void run() {
@@ -15079,8 +15171,8 @@
                 clearExternalStorageDataSync(packageName, userId, true);
                 if (succeeded) {
                     // invoke DeviceStorageMonitor's update method to clear any notifications
-                    DeviceStorageMonitorInternal
-                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
+                    DeviceStorageMonitorInternal dsm = LocalServices
+                            .getService(DeviceStorageMonitorInternal.class);
                     if (dsm != null) {
                         dsm.checkMemory();
                     }
@@ -15479,22 +15571,6 @@
         return true;
     }
 
-
-    @Override
-    public void addPackageToPreferred(String packageName) {
-        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
-    }
-
-    @Override
-    public void removePackageFromPreferred(String packageName) {
-        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
-    }
-
-    @Override
-    public List<PackageInfo> getPreferredPackages(int flags) {
-        return new ArrayList<PackageInfo>();
-    }
-
     private int getUidTargetSdkVersionLockedLPr(int uid) {
         Object obj = mSettings.getUserIdLPr(uid);
         if (obj instanceof SharedUserSetting) {
@@ -16347,7 +16423,7 @@
         intent.addCategory(Intent.CATEGORY_HOME);
 
         final int callingUserId = UserHandle.getCallingUserId();
-        List<ResolveInfo> list = queryIntentActivities(intent, null,
+        List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null,
                 PackageManager.GET_META_DATA, callingUserId);
         ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
                 true, false, false, callingUserId);
@@ -17343,8 +17419,9 @@
     }
 
     private String dumpDomainString(String packageName) {
-        List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName);
-        List<IntentFilter> filters = getAllIntentFilters(packageName);
+        List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName)
+                .getList();
+        List<IntentFilter> filters = getAllIntentFilters(packageName).getList();
 
         ArraySet<String> result = new ArraySet<>();
         if (iviList.size() > 0) {
@@ -19133,6 +19210,11 @@
                 return permissionsState.isPermissionReviewRequired(userId);
             }
         }
+
+        @Override
+        public ApplicationInfo getApplicationInfo(String packageName, int userId) {
+            return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId);
+        }
     }
 
     @Override
@@ -19160,4 +19242,14 @@
     boolean isHistoricalPackageUsageAvailable() {
         return mPackageUsage.isHistoricalPackageUsageAvailable();
     }
+
+    /**
+     * Return a <b>copy</b> of the collection of packages known to the package manager.
+     * @return A copy of the values of mPackages.
+     */
+    Collection<PackageParser.Package> getPackages() {
+        synchronized (mPackages) {
+            return new ArrayList<>(mPackages.values());
+        }
+    }
 }
diff --git a/services/core/java/com/android/server/pm/PackageManagerServiceUtils.java b/services/core/java/com/android/server/pm/PackageManagerServiceUtils.java
index a3ac514..f79d6ee 100644
--- a/services/core/java/com/android/server/pm/PackageManagerServiceUtils.java
+++ b/services/core/java/com/android/server/pm/PackageManagerServiceUtils.java
@@ -16,13 +16,15 @@
 
 package com.android.server.pm;
 
+import static com.android.server.pm.PackageManagerService.DEBUG_DEXOPT;
+import static com.android.server.pm.PackageManagerService.TAG;
+
 import android.app.AppGlobals;
 import android.content.Intent;
 import android.content.pm.PackageParser;
-import android.content.pm.PackageParser.Package;
 import android.content.pm.ResolveInfo;
-import android.os.UserHandle;
 import android.os.RemoteException;
+import android.os.UserHandle;
 import android.util.ArraySet;
 import android.util.Log;
 
@@ -35,9 +37,6 @@
 import java.util.List;
 import java.util.Set;
 
-import static com.android.server.pm.PackageManagerService.DEBUG_DEXOPT;
-import static com.android.server.pm.PackageManagerService.TAG;
-
 /**
  * Class containing helper methods for the PackageManagerService.
  *
@@ -49,7 +48,8 @@
     private static ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) {
         List<ResolveInfo> ris = null;
         try {
-            ris = AppGlobals.getPackageManager().queryIntentReceivers(intent, null, 0, userId);
+            ris = AppGlobals.getPackageManager().queryIntentReceivers(intent, null, 0, userId)
+                    .getList();
         } catch (RemoteException e) {
         }
         ArraySet<String> pkgNames = new ArraySet<String>();
diff --git a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
index abee007..ccbd823 100644
--- a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
+++ b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
@@ -317,11 +317,7 @@
 
     private int runListFeatures() throws RemoteException {
         final PrintWriter pw = getOutPrintWriter();
-        final List<FeatureInfo> list = new ArrayList<FeatureInfo>();
-        final FeatureInfo[] rawList = mInterface.getSystemAvailableFeatures();
-        for (int i=0; i<rawList.length; i++) {
-            list.add(rawList[i]);
-        }
+        final List<FeatureInfo> list = mInterface.getSystemAvailableFeatures().getList();
 
         // sort by name
         Collections.sort(list, new Comparator<FeatureInfo>() {
@@ -380,7 +376,7 @@
         }
 
         final List<InstrumentationInfo> list =
-                mInterface.queryInstrumentation(targetPackage, 0 /*flags*/);
+                mInterface.queryInstrumentation(targetPackage, 0 /*flags*/).getList();
 
         // sort by target package
         Collections.sort(list, new Comparator<InstrumentationInfo>() {
@@ -521,7 +517,7 @@
 
     private int runListPermissionGroups() throws RemoteException {
         final PrintWriter pw = getOutPrintWriter();
-        final List<PermissionGroupInfo> pgs = mInterface.getAllPermissionGroups(0);
+        final List<PermissionGroupInfo> pgs = mInterface.getAllPermissionGroups(0).getList();
 
         final int count = pgs.size();
         for (int p = 0; p < count ; p++) {
@@ -568,7 +564,7 @@
         final ArrayList<String> groupList = new ArrayList<String>();
         if (groups) {
             final List<PermissionGroupInfo> infos =
-                    mInterface.getAllPermissionGroups(0 /*flags*/);
+                    mInterface.getAllPermissionGroups(0 /*flags*/).getList();
             final int count = infos.size();
             for (int i = 0; i < count; i++) {
                 groupList.add(infos.get(i).name);
@@ -718,7 +714,7 @@
         }
         try {
             List<ResolveInfo> result = mInterface.queryIntentActivities(intent, null, 0,
-                    mTargetUser);
+                    mTargetUser).getList();
             PrintWriter pw = getOutPrintWriter();
             if (result == null || result.size() <= 0) {
                 pw.println("No activities found");
@@ -745,7 +741,7 @@
         }
         try {
             List<ResolveInfo> result = mInterface.queryIntentServices(intent, null, 0,
-                    mTargetUser);
+                    mTargetUser).getList();
             PrintWriter pw = getOutPrintWriter();
             if (result == null || result.size() <= 0) {
                 pw.println("No services found");
@@ -772,7 +768,7 @@
         }
         try {
             List<ResolveInfo> result = mInterface.queryIntentReceivers(intent, null, 0,
-                    mTargetUser);
+                    mTargetUser).getList();
             PrintWriter pw = getOutPrintWriter();
             if (result == null || result.size() <= 0) {
                 pw.println("No receivers found");
@@ -1051,7 +1047,7 @@
                 prefix = "  ";
             }
             List<PermissionInfo> ps =
-                    mInterface.queryPermissionsByGroup(groupList.get(i), 0 /*flags*/);
+                    mInterface.queryPermissionsByGroup(groupList.get(i), 0 /*flags*/).getList();
             final int count = ps.size();
             boolean first = true;
             for (int p = 0 ; p < count ; p++) {
diff --git a/services/core/java/com/android/server/pm/PackageSettingBase.java b/services/core/java/com/android/server/pm/PackageSettingBase.java
index e5eec7e..1434718 100644
--- a/services/core/java/com/android/server/pm/PackageSettingBase.java
+++ b/services/core/java/com/android/server/pm/PackageSettingBase.java
@@ -30,6 +30,7 @@
 import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 /**
  * Settings base class for pending and resolved classes.
@@ -118,7 +119,14 @@
      * platform will refuse to launch packages in a frozen state.
      */
     boolean frozen = false;
-
+    /**
+     * Non-persisted value. During an "upgrade without restart", we need the set
+     * of all previous code paths so we can surgically add the new APKs to the
+     * active classloader. If at any point an application is upgraded with a
+     * restart, this field will be cleared since the classloader would be created
+     * using the full set of code paths when the package's process is started.
+     */
+    Set<String> oldCodePaths;
     PackageSettingBase origPackage;
 
     /** Package name of the app that installed this package */
diff --git a/services/core/java/com/android/server/pm/Settings.java b/services/core/java/com/android/server/pm/Settings.java
index 310ad53..bf5a8f6 100644
--- a/services/core/java/com/android/server/pm/Settings.java
+++ b/services/core/java/com/android/server/pm/Settings.java
@@ -2604,7 +2604,6 @@
         if (pkg.volumeUuid != null) {
             serializer.attribute(null, "volumeUuid", pkg.volumeUuid);
         }
-
         if (pkg.parentPackageName != null) {
             serializer.attribute(null, "parentPackageName", pkg.parentPackageName);
         }
@@ -4171,9 +4170,19 @@
     };
 
     static final Object[] PRIVATE_FLAG_DUMP_SPEC = new Object[] {
-        ApplicationInfo.PRIVATE_FLAG_PRIVILEGED, "PRIVILEGED",
-        ApplicationInfo.PRIVATE_FLAG_FORWARD_LOCK, "FORWARD_LOCK",
+        ApplicationInfo.PRIVATE_FLAG_HIDDEN, "HIDDEN",
         ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE, "CANT_SAVE_STATE",
+        ApplicationInfo.PRIVATE_FLAG_FORWARD_LOCK, "FORWARD_LOCK",
+        ApplicationInfo.PRIVATE_FLAG_PRIVILEGED, "PRIVILEGED",
+        ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS, "HAS_DOMAIN_URLS",
+        ApplicationInfo.PRIVATE_FLAG_FORCE_DEVICE_ENCRYPTED, "FORCE_DEVICE_ENCRYPTED",
+        ApplicationInfo.PRIVATE_FLAG_ENCRYPTION_AWARE, "ENCRYPTION_AWARE",
+        ApplicationInfo.PRIVATE_FLAG_AUTOPLAY, "AUTOPLAY",
+        ApplicationInfo.PRIVATE_FLAG_PARTIALLY_ENCRYPTION_AWARE, "PARTIALLY_ENCRYPTION_AWARE",
+        ApplicationInfo.PRIVATE_FLAG_EPHEMERAL, "EPHEMERAL",
+        ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER, "REQUIRED_FOR_SYSTEM_USER",
+        ApplicationInfo.PRIVATE_FLAG_RESIZEABLE_ACTIVITIES, "RESIZEABLE_ACTIVITIES",
+        ApplicationInfo.PRIVATE_FLAG_BACKUP_IN_FOREGROUND, "BACKUP_IN_FOREGROUND",
     };
 
     void dumpVersionLPr(IndentingPrintWriter pw) {
@@ -4316,6 +4325,10 @@
             }
             pw.print(prefix); pw.print("  versionName="); pw.println(ps.pkg.mVersionName);
             pw.print(prefix); pw.print("  splits="); dumpSplitNames(pw, ps.pkg); pw.println();
+            final int apkSigningVersion = PackageParser.getApkSigningVersion(ps.pkg);
+            if (apkSigningVersion != PackageParser.APK_SIGNING_UNKNOWN) {
+                pw.print(prefix); pw.print("  apkSigningVersion="); pw.println(apkSigningVersion);
+            }
             pw.print(prefix); pw.print("  applicationInfo=");
                 pw.println(ps.pkg.applicationInfo.toString());
             pw.print(prefix); pw.print("  flags="); printFlags(pw, ps.pkg.applicationInfo.flags,
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 6320413..e51a2e1 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -57,6 +57,7 @@
 import android.content.IntentFilter;
 import android.content.ServiceConnection;
 import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.res.CompatibilityInfo;
@@ -76,6 +77,7 @@
 import android.media.RingtoneManager;
 import android.media.session.MediaSessionLegacyHelper;
 import android.os.Binder;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Debug;
 import android.os.FactoryTest;
@@ -535,6 +537,7 @@
     boolean mForceStatusBar;
     boolean mForceStatusBarFromKeyguard;
     private boolean mForceStatusBarTransparent;
+    boolean mForceNavBarOpaque;
     boolean mHideLockScreen;
     boolean mForcingShowNavBar;
     int mForcingShowNavBarLayer;
@@ -1715,6 +1718,9 @@
         if (mContext.getPackageManager().hasSystemFeature(FEATURE_PICTURE_IN_PICTURE)) {
             mShortPressWindowBehavior = SHORT_PRESS_WINDOW_PICTURE_IN_PICTURE;
         }
+
+        mForceNavBarOpaque = res.getBoolean(
+                com.android.internal.R.bool.config_forceNavBarAlwaysOpaque);
     }
 
     @Override
@@ -2053,7 +2059,7 @@
 
                 // check if user has enabled this operation. SecurityException will be thrown if
                 // this app has not been allowed by the user
-                final int mode = mAppOpsManager.checkOp(outAppOp[0], callingUid,
+                final int mode = mAppOpsManager.checkOpNoThrow(outAppOp[0], callingUid,
                         attrs.packageName);
                 switch (mode) {
                     case AppOpsManager.MODE_ALLOWED:
@@ -2062,6 +2068,17 @@
                         // actually be hidden in WindowManagerService
                         return WindowManagerGlobal.ADD_OKAY;
                     case AppOpsManager.MODE_ERRORED:
+                        try {
+                            ApplicationInfo appInfo = mContext.getPackageManager()
+                                    .getApplicationInfo(attrs.packageName,
+                                            UserHandle.getUserId(callingUid));
+                            // Don't crash legacy apps
+                            if (appInfo.targetSdkVersion < Build.VERSION_CODES.M) {
+                                return WindowManagerGlobal.ADD_OKAY;
+                            }
+                        } catch (PackageManager.NameNotFoundException e) {
+                            /* ignore */
+                        }
                         return WindowManagerGlobal.ADD_PERMISSION_DENIED;
                     default:
                         // in the default mode, we will make a decision here based on
@@ -7080,6 +7097,10 @@
                     | View.SYSTEM_UI_TRANSPARENT);
         }
 
+        if (mForceNavBarOpaque) {
+            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSPARENT);
+        }
+
         if (mForceWindowDrawsStatusBarBackground) {
             vis |= View.STATUS_BAR_TRANSPARENT;
             vis &= ~View.STATUS_BAR_TRANSLUCENT;
diff --git a/services/core/java/com/android/server/policy/ShortcutManager.java b/services/core/java/com/android/server/policy/ShortcutManager.java
index 9284442..57ae523 100644
--- a/services/core/java/com/android/server/policy/ShortcutManager.java
+++ b/services/core/java/com/android/server/policy/ShortcutManager.java
@@ -138,14 +138,16 @@
                     ComponentName componentName = new ComponentName(packageName, className);
                     try {
                         info = packageManager.getActivityInfo(componentName,
-                                PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE);
+                                PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE
+                                | PackageManager.MATCH_UNINSTALLED_PACKAGES);
                     } catch (PackageManager.NameNotFoundException e) {
                         String[] packages = packageManager.canonicalToCurrentPackageNames(
                                 new String[] { packageName });
                         componentName = new ComponentName(packages[0], className);
                         try {
                             info = packageManager.getActivityInfo(componentName,
-                                    PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE);
+                                    PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE
+                                    | PackageManager.MATCH_UNINSTALLED_PACKAGES);
                         } catch (PackageManager.NameNotFoundException e1) {
                             Log.w(TAG, "Unable to add bookmark: " + packageName
                                     + "/" + className, e);
diff --git a/services/core/java/com/android/server/search/Searchables.java b/services/core/java/com/android/server/search/Searchables.java
index 0046fbb..6bacdfd 100644
--- a/services/core/java/com/android/server/search/Searchables.java
+++ b/services/core/java/com/android/server/search/Searchables.java
@@ -410,7 +410,7 @@
             activities =
                     mPm.queryIntentActivities(intent,
                     intent.resolveTypeIfNeeded(mContext.getContentResolver()),
-                    flags, mUserId);
+                    flags, mUserId).getList();
         } catch (RemoteException re) {
             // Local call
         }
diff --git a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
index a0a971a..ccbdad2 100644
--- a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -1317,7 +1317,7 @@
                 List<ResolveInfo> ris =
                         mIPackageManager.queryIntentServices(intent,
                                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
-                                PackageManager.GET_META_DATA, serviceUserId);
+                                PackageManager.GET_META_DATA, serviceUserId).getList();
                 for (int i=0; i<ris.size(); i++) {
                     ServiceInfo rsi = ris.get(i).serviceInfo;
                     if (rsi.name.equals(si.name) &&
diff --git a/services/core/java/com/android/server/wm/AppWindowToken.java b/services/core/java/com/android/server/wm/AppWindowToken.java
index f9e258d..2731f429 100644
--- a/services/core/java/com/android/server/wm/AppWindowToken.java
+++ b/services/core/java/com/android/server/wm/AppWindowToken.java
@@ -354,6 +354,11 @@
                 continue;
             }
 
+            if (DEBUG_ADD_REMOVE) Slog.e(TAG_WM, "win=" + win
+                    + " destroySurfaces: mAppStopped=" + mAppStopped
+                    + " win.mWindowRemovalAllowed=" + win.mWindowRemovalAllowed
+                    + " win.mRemoveOnExit=" + win.mRemoveOnExit);
+
             win.destroyOrSaveSurface();
             if (win.mRemoveOnExit) {
                 win.mAnimatingExit = false;
@@ -372,14 +377,19 @@
         }
     }
 
-    // The application has stopped, so destroy any surfaces which were keeping alive
-    // in case they were still being used.
-    void notifyAppStopped() {
-        mAppStopped = true;
-        destroySurfaces();
+    /**
+     * If the application has stopped it is okay to destroy any surfaces which were keeping alive
+     * in case they were still being used.
+     */
+    void notifyAppStopped(boolean stopped) {
+        if (DEBUG_ADD_REMOVE) Slog.v(TAG, "notifyAppStopped: stopped=" + stopped + " " + this);
+        mAppStopped = stopped;
 
-        // Remove any starting window that was added for this app if they are still around.
-        mTask.mService.scheduleRemoveStartingWindowLocked(this);
+        if (stopped) {
+            destroySurfaces();
+            // Remove any starting window that was added for this app if they are still around.
+            mTask.mService.scheduleRemoveStartingWindowLocked(this);
+        }
     }
 
     /**
@@ -472,7 +482,7 @@
                 winNdx = Math.min(winNdx - 1, allAppWindows.size() - 1)) {
             WindowState win = allAppWindows.get(winNdx);
             if (win.mAppDied) {
-                if (DEBUG_WINDOW_MOVEMENT) {
+                if (DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) {
                     Slog.w(TAG, "removeAllDeadWindows: " + win);
                 }
                 // Set mDestroying, we don't want any animation or delayed removal here.
diff --git a/services/core/java/com/android/server/wm/BoundsAnimationController.java b/services/core/java/com/android/server/wm/BoundsAnimationController.java
index f0efebe..79d3d84 100644
--- a/services/core/java/com/android/server/wm/BoundsAnimationController.java
+++ b/services/core/java/com/android/server/wm/BoundsAnimationController.java
@@ -54,7 +54,8 @@
         private final AnimateBoundsUser mTarget;
         private final Rect mFrom;
         private final Rect mTo;
-        private final Rect mTmpRect;
+        private final Rect mTmpRect = new Rect();
+        private final Rect mTmpTaskBounds = new Rect();
         private final boolean mMoveToFullScreen;
         // True if this this animation was cancelled and will be replaced the another animation from
         // the same {@link #AnimateBoundsUser} target.
@@ -63,17 +64,40 @@
         // {@link #AnimateBoundsUser} target.
         private final boolean mReplacement;
 
+        // Depending on whether we are animating from
+        // a smaller to a larger size
+        private final int mFrozenTaskWidth;
+        private final int mFrozenTaskHeight;
+
         BoundsAnimator(AnimateBoundsUser target, Rect from, Rect to,
                 boolean moveToFullScreen, boolean replacement) {
             super();
             mTarget = target;
             mFrom = from;
             mTo = to;
-            mTmpRect = new Rect();
             mMoveToFullScreen = moveToFullScreen;
             mReplacement = replacement;
             addUpdateListener(this);
             addListener(this);
+
+            // If we are animating from smaller to larger, we want to change the task bounds
+            // to their final size immediately so we can use scaling to make the window
+            // larger. Likewise if we are going from bigger to smaller, we want to wait until
+            // the end so we don't have to upscale from the smaller finished size.
+            if (animatingToLargerSize()) {
+                mFrozenTaskWidth = mTo.width();
+                mFrozenTaskHeight = mTo.height();
+            } else {
+                mFrozenTaskWidth = mFrom.width();
+                mFrozenTaskHeight = mFrom.height();
+            }
+        }
+
+        boolean animatingToLargerSize() {
+            if (mFrom.width() * mFrom.height() > mTo.width() * mTo.height()) {
+                return false;
+            }
+            return true;
         }
 
         @Override
@@ -87,7 +111,13 @@
             if (DEBUG) Slog.d(TAG, "animateUpdate: mTarget=" + mTarget + " mBounds="
                     + mTmpRect + " from=" + mFrom + " mTo=" + mTo + " value=" + value
                     + " remains=" + remains);
-            if (!mTarget.setSize(mTmpRect)) {
+
+            if (remains != 0) {
+                mTmpTaskBounds.set(mTmpRect.left, mTmpRect.top,
+                        mTmpRect.left + mFrozenTaskWidth, mTmpRect.top + mFrozenTaskHeight);
+            }
+
+            if (!mTarget.setPinnedStackSize(mTmpRect, remains != 0 ? mTmpTaskBounds : null)) {
                 // Whoops, the target doesn't feel like animating anymore. Let's immediately finish
                 // any further animation.
                 animation.cancel();
@@ -99,6 +129,10 @@
         public void onAnimationStart(Animator animation) {
             if (DEBUG) Slog.d(TAG, "onAnimationStart: mTarget=" + mTarget
                     + " mReplacement=" + mReplacement);
+            if (animatingToLargerSize()) {
+                mTarget.setPinnedStackSize(mFrom, mTo);
+            }
+
             if (!mReplacement) {
                 mTarget.onAnimationStart();
             }
@@ -108,6 +142,7 @@
         public void onAnimationEnd(Animator animation) {
             if (DEBUG) Slog.d(TAG, "onAnimationEnd: mTarget=" + mTarget
                     + " mMoveToFullScreen=" + mMoveToFullScreen + " mWillReplace=" + mWillReplace);
+
             finishAnimation();
             if (mMoveToFullScreen && !mWillReplace) {
                 mTarget.moveToFullscreen();
@@ -159,6 +194,12 @@
          * from the hierarchy and is not valid anymore.
          */
         boolean setSize(Rect bounds);
+        /**
+         * Behaves as setSize, but freezes the bounds of any tasks in the target at taskBounds,
+         * to allow for more flexibility during resizing. Only
+         * works for the pinned stack at the moment.
+         */
+        boolean setPinnedStackSize(Rect bounds, Rect taskBounds);
 
         void onAnimationStart();
 
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index c7b5599..f097eb2 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -19,6 +19,7 @@
 import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
 import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
 import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
 import static android.app.ActivityManager.StackId.HOME_STACK_ID;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZEABLE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_UNRESIZEABLE;
@@ -685,6 +686,10 @@
                 && mStack != null && StackId.isTaskResizeableByDockedStack(mStack.mStackId);
     }
 
+    boolean isFloating() {
+        return StackId.tasksAreFloating(mStack.mStackId);
+    }
+
     /**
      * Whether the task should be treated as if it's docked. Returns true if the task
      * is currently in docked workspace, or it's side-by-side to a docked task.
diff --git a/services/core/java/com/android/server/wm/TaskStack.java b/services/core/java/com/android/server/wm/TaskStack.java
index 07a6514..86327f7 100644
--- a/services/core/java/com/android/server/wm/TaskStack.java
+++ b/services/core/java/com/android/server/wm/TaskStack.java
@@ -111,6 +111,17 @@
     private float mMinimizeAmount;
     private final int mDockedStackMinimizeThickness;
 
+    // If this is true, the task will be down or upscaled
+    // to perfectly fit the region it would have been cropped
+    // to.
+    private boolean mForceScaleToCrop = false;
+    // By default, movement animations are applied to all
+    // window movement. If this is true, animations will not
+    // be applied within this stack. This is useful for example
+    // if the windows are moving as the result of a stack animation,
+    // in which case a second window animation would cause jitter.
+    private boolean mFreezeMovementAnimations = false;
+
     TaskStack(WindowManagerService service, int stackId) {
         mService = service;
         mStackId = stackId;
@@ -1128,17 +1139,38 @@
         return true;
     }
 
+    public boolean setPinnedStackSize(Rect bounds, Rect tempTaskBounds) {
+        synchronized (mService.mWindowMap) {
+            if (mDisplayContent == null) {
+                return false;
+            }
+            if (mStackId != PINNED_STACK_ID) {
+                Slog.w(TAG_WM, "Attempt to use pinned stack resize animation helper on"
+                        + "non pinned stack");
+                return false;
+            }
+        }
+        try {
+            mService.mActivityManager.resizePinnedStack(bounds, tempTaskBounds);
+        } catch (RemoteException e) {
+            // I don't believe you.
+        }
+        return true;
+    }
+
     @Override  // AnimatesBounds
     public void onAnimationStart() {
         synchronized (mService.mWindowMap) {
-            setDragResizingLocked(true);
+            mFreezeMovementAnimations = true;
+            mForceScaleToCrop = true;
         }
     }
 
     @Override  // AnimatesBounds
     public void onAnimationEnd() {
         synchronized (mService.mWindowMap) {
-            setDragResizingLocked(false);
+            mFreezeMovementAnimations = false;
+            mForceScaleToCrop = false;
             mService.requestTraversal();
         }
         if (mStackId == PINNED_STACK_ID) {
@@ -1163,4 +1195,12 @@
     public void getFullScreenBounds(Rect bounds) {
         getDisplayContent().getContentRect(bounds);
     }
+
+    public boolean getFreezeMovementAnimations() {
+        return mFreezeMovementAnimations;
+    }
+
+    public boolean getForceScaleToCrop() {
+        return mForceScaleToCrop;
+    }
 }
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index fe215d5..b64aaa8 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -2147,12 +2147,15 @@
 
     void removeWindowLocked(WindowState win) {
         win.mWindowRemovalAllowed = true;
+        if (DEBUG_ADD_REMOVE) Slog.v(TAG,
+                "removeWindowLocked: " + win + " callers=" + Debug.getCallers(4));
+
         final boolean startingWindow = win.mAttrs.type == TYPE_APPLICATION_STARTING;
         if (startingWindow) {
             if (DEBUG_STARTING_WINDOW) Slog.d(TAG_WM, "Starting window removed " + win);
         }
 
-        if (localLOGV || DEBUG_FOCUS || DEBUG_FOCUS_LIGHT && win==mCurrentFocus) Slog.v(
+        if (localLOGV || DEBUG_FOCUS || DEBUG_FOCUS_LIGHT && win == mCurrentFocus) Slog.v(
                 TAG_WM, "Remove " + win + " client="
                 + Integer.toHexString(System.identityHashCode(win.mClient.asBinder()))
                 + ", surfaceController=" + win.mWinAnimator.mSurfaceController + " Callers="
@@ -4194,7 +4197,7 @@
     }
 
     @Override
-    public void notifyAppStopped(IBinder token) {
+    public void notifyAppStopped(IBinder token, boolean stopped) {
         if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
                 "notifyAppStopped()")) {
             throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
@@ -4207,7 +4210,7 @@
                 Slog.w(TAG_WM, "Attempted to set visibility of non-existing app token: " + token);
                 return;
             }
-            wtoken.notifyAppStopped();
+            wtoken.notifyAppStopped(stopped);
         }
     }
 
@@ -4244,6 +4247,8 @@
                 wtoken.appDied = false;
                 wtoken.removeAllWindows();
             } else if (visible) {
+                if (DEBUG_ADD_REMOVE) Slog.v(
+                        TAG_WM, "No longer Stopped: " + wtoken);
                 wtoken.mAppStopped = false;
                 wtoken.setWindowsExiting(false);
             }
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index e8f1b5d..4ad021e 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -184,6 +184,10 @@
 
     private Configuration mConfiguration = Configuration.EMPTY;
     private Configuration mOverrideConfig = Configuration.EMPTY;
+    // Represents the changes from our override configuration applied
+    // to the global configuration. This is the only form of configuration
+    // which is suitable for delivery to the client.
+    private Configuration mMergedConfiguration = new Configuration();
     // Sticky answer to isConfigChanged(), remains true until new Configuration is assigned.
     // Used only on {@link #TYPE_KEYGUARD}.
     private boolean mConfigHasChanged;
@@ -434,9 +438,9 @@
     // If not null, the window that will be used to replace the old one. This is being set when
     // the window is added and unset when this window reports its first draw.
     WindowState mReplacingWindow = null;
-
     // Whether this window is being moved via the resize API
     boolean mMovedByResize;
+
     /**
      * Wake lock for drawing.
      * Even though it's slightly more expensive to do so, we will use a separate wake lock
@@ -635,7 +639,7 @@
 
         final Task task = getTask();
         final boolean fullscreenTask = task == null || task.isFullscreen();
-        final boolean freeformWorkspace = task != null && task.inFreeformWorkspace();
+        final boolean windowsAreFloating = task != null && task.isFloating();
 
         if (fullscreenTask || (isChildWindow()
                 && (mAttrs.privateFlags & PRIVATE_FLAG_LAYOUT_CHILD_WINDOW_IN_PARENT_FRAME) != 0)) {
@@ -661,10 +665,10 @@
                 mContainingFrame.top -= mContainingFrame.bottom - cf.bottom;
             }
 
-            if (freeformWorkspace) {
-                // In free form mode we have only to set the rectangle if it wasn't set already. No
-                // need to intersect it with the (visible) "content frame" since it is allowed to
-                // be outside the visible desktop.
+            if (windowsAreFloating) {
+                // In floating modes (e.g. freeform, pinned) we have only to set the rectangle 
+                // if it wasn't set already. No need to intersect it with the (visible) 
+                // "content frame" since it is allowed to be outside the visible desktop.
                 if (mContainingFrame.isEmpty()) {
                     mContainingFrame.set(cf);
                 }
@@ -720,7 +724,7 @@
 
         // Make sure the content and visible frames are inside of the
         // final window frame.
-        if (freeformWorkspace && !mFrame.isEmpty()) {
+        if (windowsAreFloating && !mFrame.isEmpty()) {
             // Keep the frame out of the blocked system area, limit it in size to the content area
             // and make sure that there is always a minimum visible so that the user can drag it
             // into a usable area..
@@ -772,9 +776,9 @@
                     Math.min(mStableFrame.bottom, frame.bottom));
         }
 
-        if (!inFreeformWorkspace()) {
-            // Freeform windows can be positioned outside of the display frame, but that is not a
-            // reason to provide them with overscan insets.
+        if (!windowsAreFloating) {
+            // Windows from floating tasks (e.g. freeform, pinned) may be positioned outside
+            // of the display frame, but that is not a reason to provide them with overscan insets.
             mOverscanInsets.set(Math.max(mOverscanFrame.left - frame.left, 0),
                     Math.max(mOverscanFrame.top - frame.top, 0),
                     Math.max(frame.right - mOverscanFrame.right, 0),
@@ -1355,6 +1359,11 @@
         mConfiguration = newConfig;
         mOverrideConfig = newOverrideConfig;
         mConfigHasChanged = false;
+
+        mMergedConfiguration.setTo(newConfig);
+        if (newOverrideConfig != null && newOverrideConfig != Configuration.EMPTY) {
+            mMergedConfiguration.updateFrom(newOverrideConfig);
+        }
     }
 
     void setHasSurface(boolean hasSurface) {
@@ -1616,9 +1625,10 @@
             mTurnOnScreen = true;
         }
         if (isConfigChanged()) {
+            final Configuration newConfig = updateConfiguration();
             if (DEBUG_CONFIGURATION) Slog.i(TAG, "Window " + this + " visible with new config: "
-                    + mService.mCurConfiguration);
-            outConfig.setTo(mService.mCurConfiguration);
+                    + newConfig);
+            outConfig.setTo(newConfig);
         }
     }
 
@@ -2061,21 +2071,30 @@
         }
     }
 
+    /**
+     * Update our current configurations, based on task configuration.
+     *
+     * @return A configuration suitable for sending to the client.
+     */
+    private Configuration updateConfiguration() {
+        final Task task = getTask();
+        final Configuration overrideConfig =
+            (task != null) ? task.mOverrideConfig : Configuration.EMPTY;
+        final boolean configChanged = isConfigChanged();
+        if ((DEBUG_RESIZE || DEBUG_ORIENTATION || DEBUG_CONFIGURATION) && configChanged) {
+            Slog.i(TAG, "Sending new config to window " + this + ": " +
+                    " / config=" + mService.mCurConfiguration + " overrideConfig=" + overrideConfig);
+        }
+        setConfiguration(mService.mCurConfiguration, overrideConfig);
+        return mMergedConfiguration;
+    }
+
     void reportResized() {
         Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "wm.reportResized_" + getWindowTag());
         try {
             if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG, "Reporting new frame to " + this
                     + ": " + mCompatFrame);
-            final boolean configChanged = isConfigChanged();
-            final Task task = getTask();
-            final Configuration overrideConfig =
-                    (task != null) ? task.mOverrideConfig : Configuration.EMPTY;
-            if ((DEBUG_RESIZE || DEBUG_ORIENTATION || DEBUG_CONFIGURATION) && configChanged) {
-                Slog.i(TAG, "Sending new config to window " + this + ": "
-                        + " / config="
-                        + mService.mCurConfiguration + " overrideConfig=" + overrideConfig);
-            }
-            setConfiguration(mService.mCurConfiguration, overrideConfig);
+            final Configuration newConfig = isConfigChanged() ? updateConfiguration() : null;
             if (DEBUG_ORIENTATION && mWinAnimator.mDrawState == WindowStateAnimator.DRAW_PENDING)
                 Slog.i(TAG, "Resizing " + this + " WITH DRAW PENDING");
 
@@ -2086,7 +2105,6 @@
             final Rect stableInsets = mLastStableInsets;
             final Rect outsets = mLastOutsets;
             final boolean reportDraw = mWinAnimator.mDrawState == WindowStateAnimator.DRAW_PENDING;
-            final Configuration newConfig = configChanged ? mConfiguration : null;
             if (mAttrs.type != WindowManager.LayoutParams.TYPE_APPLICATION_STARTING
                     && mClient instanceof IWindow.Stub) {
                 // To prevent deadlock simulate one-way call if win.mClient is a local object.
@@ -2485,7 +2503,8 @@
         final int ph = mContainingFrame.height();
         final Task task = getTask();
         final boolean nonFullscreenTask = task != null && !task.isFullscreen();
-
+        final boolean fitToDisplay = task != null &&
+            !task.isFloating();
         float x, y;
         int w,h;
 
@@ -2542,7 +2561,17 @@
                 (int) (y + mAttrs.verticalMargin * ph), mFrame);
 
         // Now make sure the window fits in the overall display frame.
-        Gravity.applyDisplay(mAttrs.gravity, mDisplayFrame, mFrame);
+        if (fitToDisplay) {
+            Gravity.applyDisplay(mAttrs.gravity, mDisplayFrame, mFrame);
+        }
+
+        // We need to make sure we update the CompatFrame as it is used for
+        // cropping decisions, etc, on systems where we lack a decor layer.
+        mCompatFrame.set(mFrame);
+        if (mEnforceSizeCompat) {
+            // See comparable block in computeFrameLw.
+            mCompatFrame.scale(mInvGlobalScale);
+        }
     }
 
     boolean isChildWindow() {
diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index 02f9aa1..c1ff96e 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -20,6 +20,7 @@
 import static android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
 import static android.view.WindowManager.LayoutParams.FLAG_SCALED;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT_REPEATS;
@@ -467,9 +468,8 @@
             return;
         }
 
-        if (WindowManagerService.localLOGV) Slog.v(
-                TAG, "Exit animation finished in " + this
-                + ": remove=" + mWin.mRemoveOnExit);
+        if (WindowManagerService.localLOGV || DEBUG_ADD_REMOVE) Slog.v(TAG,
+                "Exit animation finished in " + this + ": remove=" + mWin.mRemoveOnExit);
 
 
         mWin.mDestroying = true;
@@ -1115,11 +1115,11 @@
         }
     }
 
-    void updateSurfaceWindowCrop(final boolean recoveringMemory) {
+    Rect calculateSurfaceWindowCrop() {
         final WindowState w = mWin;
         final DisplayContent displayContent = w.getDisplayContent();
         if (displayContent == null) {
-            return;
+            return null;
         }
         final DisplayInfo displayInfo = displayContent.getDisplayInfo();
         if (DEBUG_WINDOW_CROP) Slog.d(TAG, "Updating crop for window: " + w + ", " + "mLastCrop=" +
@@ -1187,7 +1187,7 @@
         clipRect.offset(attrs.surfaceInsets.left, attrs.surfaceInsets.top);
 
         adjustCropToStackBounds(w, clipRect, isFreeformResizing);
-        if (DEBUG_WINDOW_CROP) Slog.d(TAG, "Clip rect after stack adjustment=" + mClipRect);
+        if (DEBUG_WINDOW_CROP) Slog.d(TAG, "Clip rect after stack adjustment=" + clipRect);
 
         w.transformFromScreenToSurfaceSpace(clipRect);
 
@@ -1196,6 +1196,10 @@
             clipRect.setEmpty();
         }
 
+        return clipRect;
+    }
+
+    void updateSurfaceWindowCrop(Rect clipRect, boolean recoveringMemory) {
         if (!clipRect.equals(mLastClipRect)) {
             mLastClipRect.set(clipRect);
             mSurfaceController.setCropInTransaction(clipRect, recoveringMemory);
@@ -1237,6 +1241,7 @@
                 w.mFrame.left + mWin.mXOffset - w.getAttrs().surfaceInsets.left;
         final int frameY = isFreeformResizing ? (int) mSurfaceController.getY() :
                 w.mFrame.top + mWin.mYOffset - w.getAttrs().surfaceInsets.top;
+
         // We need to do some acrobatics with surface position, because their clip region is
         // relative to the inside of the surface, but the stack bounds aren't.
         clipRect.left = Math.max(0,
@@ -1251,14 +1256,44 @@
 
     void setSurfaceBoundariesLocked(final boolean recoveringMemory) {
         final WindowState w = mWin;
+        final Task task = w.getTask();
 
         mTmpSize.set(w.mShownPosition.x, w.mShownPosition.y, 0, 0);
         calculateSurfaceBounds(w, w.getAttrs());
 
-        mSurfaceController.setPositionInTransaction(mTmpSize.left, mTmpSize.top, recoveringMemory);
+        float extraHScale = (float) 1.0;
+        float extraVScale = (float) 1.0;
 
-        mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale, mDtDx * w.mVScale,
-                mDsDy * w.mHScale, mDtDy * w.mVScale, recoveringMemory);
+        final Rect crop = calculateSurfaceWindowCrop();
+        if (task != null && task.mStack.getForceScaleToCrop()) {
+            extraHScale = crop.width() / (float)mTmpSize.width();
+            extraVScale = crop.height() / (float)mTmpSize.height();
+
+            // In the case of ForceScaleToCrop we scale entire tasks together,
+            // and so we need to scale our offsets relative to the task bounds
+            // or parent and child windows would fall out of alignment.
+            int posX = (int) (mTmpSize.left - w.mAttrs.x * (1 - extraHScale));
+            int posY = (int) (mTmpSize.top - w.mAttrs.y * (1 - extraVScale));
+            posX += w.getAttrs().surfaceInsets.left * (1 - extraHScale);
+            posY += w.getAttrs().surfaceInsets.top * (1 - extraVScale);
+            mSurfaceController.setPositionInTransaction(posX, posY, recoveringMemory);
+
+            // Since we are scaled to fit in our previously desired crop, we can now
+            // expose the whole window in buffer space, and not risk extending
+            // past where the system would have cropped us
+            crop.set(0, 0, mTmpSize.width(), mTmpSize.height());
+            updateSurfaceWindowCrop(crop, recoveringMemory);
+        } else {
+            mSurfaceController.setPositionInTransaction(mTmpSize.left, mTmpSize.top,
+                    recoveringMemory);
+            updateSurfaceWindowCrop(crop, recoveringMemory);
+        }
+
+
+        mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale * extraHScale,
+                mDtDx * w.mVScale * extraVScale,
+                mDsDy * w.mHScale * extraHScale,
+                mDtDy * w.mVScale * extraVScale, recoveringMemory);
         mSurfaceResized = mSurfaceController.setSizeInTransaction(
                 mTmpSize.width(), mTmpSize.height(),
                 recoveringMemory);
@@ -1270,7 +1305,6 @@
             w.applyDimLayerIfNeeded();
         }
 
-        updateSurfaceWindowCrop(recoveringMemory);
     }
 
     void prepareSurfaceLocked(final boolean recoveringMemory) {
@@ -1409,7 +1443,7 @@
             SurfaceControl.openTransaction();
             mSurfaceController.setPositionInTransaction(mWin.mFrame.left + left,
                     mWin.mFrame.top + top, false);
-            updateSurfaceWindowCrop(false);
+            updateSurfaceWindowCrop(calculateSurfaceWindowCrop(), false);
         } catch (RuntimeException e) {
             Slog.w(TAG, "Error positioning surface of " + mWin
                     + " pos=(" + left + "," + top + ")", e);
diff --git a/services/core/java/com/android/server/wm/WindowSurfaceController.java b/services/core/java/com/android/server/wm/WindowSurfaceController.java
index 2cdf471..fb07512 100644
--- a/services/core/java/com/android/server/wm/WindowSurfaceController.java
+++ b/services/core/java/com/android/server/wm/WindowSurfaceController.java
@@ -138,7 +138,7 @@
 
     void destroyInTransaction() {
         //        if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) {
-        Slog.i(TAG, "Destroying surface " + this + " called by " + Debug.getCallers(4));
+        Slog.i(TAG, "Destroying surface " + this + " called by " + Debug.getCallers(8));
         //        }
         try {
             if (mSurfaceControl != null) {
diff --git a/services/core/java/com/android/server/wm/WindowSurfacePlacer.java b/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
index 856d30a..e3955fe 100644
--- a/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
+++ b/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
@@ -651,6 +651,7 @@
 
             for (int i = windows.size() - 1; i >= 0; i--) {
                 WindowState w = windows.get(i);
+                final Task task = w.getTask();
                 final boolean obscuredChanged = w.mObscured != mObscured;
 
                 // Update effect.
@@ -683,7 +684,8 @@
                     final boolean adjustedForMinimizedDockedStack = w.getTask() != null &&
                             w.getTask().mStack.isAdjustedForMinimizedDockedStack();
                     if ((w.mAttrs.privateFlags & PRIVATE_FLAG_NO_MOVE_ANIMATION) == 0
-                            && !w.isDragResizing() && !adjustedForMinimizedDockedStack) {
+                            && !w.isDragResizing() && !adjustedForMinimizedDockedStack
+                            && (task == null || !w.getTask().mStack.getFreezeMovementAnimations())) {
                         winAnimator.setMoveAnimation(left, top);
                     }
 
diff --git a/services/core/jni/com_android_server_location_GnssLocationProvider.cpp b/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
index aa14fff..60ed497 100644
--- a/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
+++ b/services/core/jni/com_android_server_location_GnssLocationProvider.cpp
@@ -1205,7 +1205,8 @@
     SET_IF(GNSS_MEASUREMENT_HAS_CARRIER_PHASE_UNCERTAINTY,
            CarrierPhaseUncertainty,
            measurement->carrier_phase_uncertainty);
-    SET(MultipathIndicator, measurement->multipath_indicator);
+    SET(MultipathIndicator,
+        static_cast<int32_t>(measurement->multipath_indicator));
     SET_IF(GNSS_MEASUREMENT_HAS_SNR, SnrInDb, measurement->snr_db);
 
     return object.get();
@@ -1244,7 +1245,8 @@
     SET_IF(GNSS_MEASUREMENT_HAS_CARRIER_PHASE_UNCERTAINTY,
            CarrierPhaseUncertainty,
            measurement->carrier_phase_uncertainty);
-    SET(MultipathIndicator, measurement->multipath_indicator);
+    SET(MultipathIndicator,
+        static_cast<int32_t>(measurement->multipath_indicator));
     SET_IF(GNSS_MEASUREMENT_HAS_SNR, SnrInDb, measurement->snr_db);
 
     return object.get();
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index 0252ea4..ce86b2c 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -31,8 +31,8 @@
 import android.Manifest.permission;
 import android.accessibilityservice.AccessibilityServiceInfo;
 import android.accounts.AccountManager;
+import android.annotation.IntDef;
 import android.annotation.NonNull;
-import android.annotation.Nullable;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.ActivityManagerNative;
@@ -151,6 +151,8 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.nio.charset.StandardCharsets;
 import java.security.cert.CertificateException;
 import java.security.cert.CertificateFactory;
@@ -280,6 +282,20 @@
     private static final int PROFILE_KEYGUARD_FEATURES =
             PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER | PROFILE_KEYGUARD_FEATURES_PROFILE_ONLY;
 
+    private static final int CODE_OK = 0;
+    private static final int CODE_HAS_DEVICE_OWNER = 1;
+    private static final int CODE_USER_HAS_PROFILE_OWNER = 2;
+    private static final int CODE_USER_NOT_RUNNING = 3;
+    private static final int CODE_USER_SETUP_COMPLETED = 4;
+    private static final int CODE_NONSYSTEM_USER_EXISTS = 5;
+    private static final int CODE_ACCOUNTS_NOT_EMPTY = 6;
+    private static final int CODE_NOT_SYSTEM_USER = 7;
+
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({ CODE_OK, CODE_HAS_DEVICE_OWNER, CODE_USER_HAS_PROFILE_OWNER, CODE_USER_NOT_RUNNING,
+            CODE_USER_SETUP_COMPLETED, CODE_NOT_SYSTEM_USER })
+    private @interface DeviceOwnerPreConditionCode {}
+
     private static final int DEVICE_ADMIN_DEACTIVATE_TIMEOUT = 10000;
 
     final Context mContext;
@@ -308,7 +324,7 @@
      * Whether or not device admin feature is supported. If it isn't return defaults for all
      * public methods.
      */
-    private boolean mHasFeature;
+    boolean mHasFeature;
 
     private final SecurityLogMonitor mSecurityLogMonitor;
 
@@ -328,7 +344,7 @@
 
         @Override
         public void onReceive(Context context, Intent intent) {
-            if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction())
+            if (DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH.equals(intent.getAction())
                     && mRemoteBugreportServiceIsActive.get()) {
                 onBugreportFinished(intent);
             }
@@ -342,10 +358,9 @@
             String action = intent.getAction();
             mInjector.getNotificationManager().cancel(LOG_TAG,
                     RemoteBugreportUtils.NOTIFICATION_ID);
-            if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED.equals(action)) {
+            if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED.equals(action)) {
                 onBugreportSharingAccepted();
-            } else if (RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED
-                    .equals(action)) {
+            } else if (DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED.equals(action)) {
                 onBugreportSharingDeclined();
             }
             mContext.unregisterReceiver(mRemoteBugreportConsentReceiver);
@@ -437,15 +452,14 @@
                     && userHandle == mOwners.getDeviceOwnerUserId()
                     && getDeviceOwnerRemoteBugreportUri() != null) {
                 IntentFilter filterConsent = new IntentFilter();
-                filterConsent.addAction(
-                        RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED);
-                filterConsent.addAction(
-                        RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED);
+                filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED);
+                filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED);
                 mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent);
-                mInjector.getNotificationManager().notify(LOG_TAG,
+                mInjector.getNotificationManager().notifyAsUser(LOG_TAG,
                         RemoteBugreportUtils.NOTIFICATION_ID,
                         RemoteBugreportUtils.buildNotification(mContext,
-                                RemoteBugreportUtils.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED));
+                                DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED),
+                                UserHandle.ALL);
             }
             if (Intent.ACTION_BOOT_COMPLETED.equals(action)
                     || ACTION_EXPIRED_PASSWORD_NOTIFICATION.equals(action)) {
@@ -5068,9 +5082,9 @@
             mRemoteBugreportServiceIsActive.set(true);
             mRemoteBugreportSharingAccepted.set(false);
             registerRemoteBugreportReceivers();
-            mInjector.getNotificationManager().notify(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID,
+            mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID,
                     RemoteBugreportUtils.buildNotification(mContext,
-                            RemoteBugreportUtils.NOTIFICATION_BUGREPORT_STARTED));
+                            DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED), UserHandle.ALL);
             mHandler.postDelayed(mRemoteBugreportTimeoutRunnable,
                     RemoteBugreportUtils.REMOTE_BUGREPORT_TIMEOUT_MILLIS);
             return true;
@@ -5104,7 +5118,7 @@
     private void registerRemoteBugreportReceivers() {
         try {
             IntentFilter filterFinished = new IntentFilter(
-                    RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_DISPATCH,
+                    DevicePolicyManager.ACTION_REMOTE_BUGREPORT_DISPATCH,
                     RemoteBugreportUtils.BUGREPORT_MIMETYPE);
             mContext.registerReceiver(mRemoteBugreportFinishedReceiver, filterFinished);
         } catch (IntentFilter.MalformedMimeTypeException e) {
@@ -5112,8 +5126,8 @@
             Slog.w(LOG_TAG, "Failed to set type " + RemoteBugreportUtils.BUGREPORT_MIMETYPE, e);
         }
         IntentFilter filterConsent = new IntentFilter();
-        filterConsent.addAction(RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_DECLINED);
-        filterConsent.addAction(RemoteBugreportUtils.ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED);
+        filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED);
+        filterConsent.addAction(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED);
         mContext.registerReceiver(mRemoteBugreportConsentReceiver, filterConsent);
     }
 
@@ -5126,16 +5140,17 @@
             bugreportUriString = bugreportUri.toString();
         }
         String bugreportHash = intent.getStringExtra(
-                RemoteBugreportUtils.EXTRA_REMOTE_BUGREPORT_HASH);
+                DevicePolicyManager.EXTRA_REMOTE_BUGREPORT_HASH);
         if (mRemoteBugreportSharingAccepted.get()) {
             shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash);
             mInjector.getNotificationManager().cancel(LOG_TAG,
                     RemoteBugreportUtils.NOTIFICATION_ID);
         } else {
             setDeviceOwnerRemoteBugreportUriAndHash(bugreportUriString, bugreportHash);
-            mInjector.getNotificationManager().notify(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID,
+            mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID,
                     RemoteBugreportUtils.buildNotification(mContext,
-                            RemoteBugreportUtils.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED));
+                            DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED),
+                            UserHandle.ALL);
         }
         mContext.unregisterReceiver(mRemoteBugreportFinishedReceiver);
     }
@@ -5166,9 +5181,10 @@
         if (bugreportUriString != null) {
             shareBugreportWithDeviceOwnerIfExists(bugreportUriString, bugreportHash);
         } else if (mRemoteBugreportServiceIsActive.get()) {
-            mInjector.getNotificationManager().notify(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID,
+            mInjector.getNotificationManager().notifyAsUser(LOG_TAG, RemoteBugreportUtils.NOTIFICATION_ID,
                     RemoteBugreportUtils.buildNotification(mContext,
-                            RemoteBugreportUtils.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED));
+                            DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED),
+                            UserHandle.ALL);
         }
     }
 
@@ -5530,7 +5546,8 @@
         Preconditions.checkNotNull(packageName, "packageName is null");
         final int callingUid = mInjector.binderGetCallingUid();
         try {
-            int uid = mContext.getPackageManager().getPackageUidAsUser(packageName, 0);
+            int uid = mContext.getPackageManager().getPackageUidAsUser(packageName,
+                    UserHandle.getUserId(callingUid));
             if (uid != callingUid) {
                 throw new SecurityException("Invalid packageName");
             }
@@ -5933,52 +5950,40 @@
     /**
      * The Device owner can only be set by adb or an app with the MANAGE_PROFILE_AND_DEVICE_OWNERS
      * permission.
-     * The device owner can only be set before the setup phase of the primary user has completed,
-     * except for adb if no accounts or additional users are present on the device.
      */
     private void enforceCanSetDeviceOwnerLocked(int userId) {
-        if (mOwners.hasDeviceOwner()) {
-            throw new IllegalStateException("Trying to set the device owner, but device owner "
-                    + "is already set.");
-        }
-        if (mOwners.hasProfileOwner(userId)) {
-            throw new IllegalStateException("Trying to set the device owner, but the user already "
-                    + "has a profile owner.");
-        }
-        if (!mUserManager.isUserRunning(new UserHandle(userId))) {
-            throw new IllegalStateException("User not running: " + userId);
-        }
-
         int callingUid = mInjector.binderGetCallingUid();
-        if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) {
-            if (!hasUserSetupCompleted(UserHandle.USER_SYSTEM)) {
-                return;
-            }
-            // STOPSHIP Do proper check in split user mode
-            if (!mInjector.userManagerIsSplitSystemUser()) {
-                if (mUserManager.getUserCount() > 1) {
-                    throw new IllegalStateException(
-                            "Not allowed to set the device owner because there "
-                                    + "are already several users on the device");
-                }
-                if (AccountManager.get(mContext).getAccounts().length > 0) {
-                    throw new IllegalStateException(
-                            "Not allowed to set the device owner because there "
-                                    + "are already some accounts on the device");
-                }
-            }
-            return;
+        boolean isAdb = callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID;
+        if (!isAdb) {
+            mContext.enforceCallingOrSelfPermission(
+                    android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null);
         }
-        // STOPSHIP check the caller UID with userId
 
-        mContext.enforceCallingOrSelfPermission(
-                android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS, null);
-        // STOPSHIP Do proper check in split user mode
-        if (!mInjector.userManagerIsSplitSystemUser()) {
-            if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) {
-                throw new IllegalStateException("Cannot set the device owner if the device is "
-                        + "already set-up");
-            }
+        final int code = checkSetDeviceOwnerPreCondition(userId, isAdb);
+        switch (code) {
+            case CODE_OK:
+                return;
+            case CODE_HAS_DEVICE_OWNER:
+                throw new IllegalStateException(
+                        "Trying to set the device owner, but device owner is already set.");
+            case CODE_USER_HAS_PROFILE_OWNER:
+                throw new IllegalStateException("Trying to set the device owner, but the user "
+                        + "already has a profile owner.");
+            case CODE_USER_NOT_RUNNING:
+                throw new IllegalStateException("User not running: " + userId);
+            case CODE_NOT_SYSTEM_USER:
+                throw new IllegalStateException("User is not system user");
+            case CODE_USER_SETUP_COMPLETED:
+                throw new IllegalStateException(
+                        "Cannot set the device owner if the device is already set-up");
+            case CODE_NONSYSTEM_USER_EXISTS:
+                throw new IllegalStateException("Not allowed to set the device owner because there "
+                        + "are already several users on the device");
+            case CODE_ACCOUNTS_NOT_EMPTY:
+                throw new IllegalStateException("Not allowed to set the device owner because there "
+                        + "are already some accounts on the device");
+            default:
+                throw new IllegalStateException("Unknown @DeviceOwnerPreConditionCode " + code);
         }
     }
 
@@ -7125,7 +7130,7 @@
                         intent,
                         intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                         PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE,
-                        parentUserId);
+                        parentUserId).getList();
 
                 if (VERBOSE_LOG) {
                     Slog.d(LOG_TAG, "Enabling system activities: " + activitiesToEnable);
@@ -7809,6 +7814,26 @@
                 listener.onCrossProfileWidgetProvidersChanged(userId, packages);
             }
         }
+
+        @Override
+        public boolean hasDeviceOwnerOrProfileOwner(String packageName, int userId) {
+            if (!mHasFeature || packageName == null) {
+                return false;
+            }
+            if (userId < 0) {
+                throw new UnsupportedOperationException("userId should be >= 0");
+            }
+            synchronized (DevicePolicyManagerService.this) {
+                if (packageName.equals(mOwners.getProfileOwnerPackage(userId))) {
+                    return true;
+                }
+                if (userId == mOwners.getDeviceOwnerUserId()
+                        && packageName.equals(mOwners.getDeviceOwnerPackageName())) {
+                    return true;
+                }
+            }
+            return false;
+        }
     }
 
     /**
@@ -8035,6 +8060,10 @@
 
     @Override
     public boolean isProvisioningAllowed(String action) {
+        if (!mHasFeature) {
+            return false;
+        }
+
         final int callingUserId = mInjector.userHandleGetCallingUserId();
         if (DevicePolicyManager.ACTION_PROVISION_MANAGED_PROFILE.equals(action)) {
             if (!hasFeatureManagedUsers()) {
@@ -8099,23 +8128,55 @@
         throw new IllegalArgumentException("Unknown provisioning action " + action);
     }
 
-    private boolean isDeviceOwnerProvisioningAllowed(int callingUserId) {
-        synchronized (this) {
-            if (mOwners.hasDeviceOwner()) {
-                return false;
+    /*
+     * The device owner can only be set before the setup phase of the primary user has completed,
+     * except for adb command if no accounts or additional users are present on the device.
+     */
+    private synchronized @DeviceOwnerPreConditionCode int checkSetDeviceOwnerPreCondition(
+            int deviceOwnerUserId, boolean isAdb) {
+        if (mOwners.hasDeviceOwner()) {
+            return CODE_HAS_DEVICE_OWNER;
+        }
+        if (mOwners.hasProfileOwner(deviceOwnerUserId)) {
+            return CODE_USER_HAS_PROFILE_OWNER;
+        }
+        if (!mUserManager.isUserRunning(new UserHandle(deviceOwnerUserId))) {
+            return CODE_USER_NOT_RUNNING;
+        }
+        if (isAdb) {
+            // if shell command runs after user setup completed check device status. Otherwise, OK.
+            if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) {
+                if (!mInjector.userManagerIsSplitSystemUser()) {
+                    if (mUserManager.getUserCount() > 1) {
+                        return CODE_NONSYSTEM_USER_EXISTS;
+                    }
+                    if (AccountManager.get(mContext).getAccounts().length > 0) {
+                        return CODE_ACCOUNTS_NOT_EMPTY;
+                    }
+                } else {
+                    // STOPSHIP Do proper check in split user mode
+                }
             }
+            return CODE_OK;
+        } else {
+            if (!mInjector.userManagerIsSplitSystemUser()) {
+                // In non-split user mode, DO has to be user 0
+                if (deviceOwnerUserId != UserHandle.USER_SYSTEM) {
+                    return CODE_NOT_SYSTEM_USER;
+                }
+                // In non-split user mode, only provision DO before setup wizard completes
+                if (hasUserSetupCompleted(UserHandle.USER_SYSTEM)) {
+                    return CODE_USER_SETUP_COMPLETED;
+                }
+            } else {
+                // STOPSHIP Do proper check in split user mode
+            }
+            return CODE_OK;
         }
-        if (getProfileOwner(callingUserId) != null) {
-            return false;
-        }
-        if (mInjector.settingsGlobalGetInt(Settings.Global.DEVICE_PROVISIONED, 0) != 0) {
-            return false;
-        }
-        if (callingUserId != UserHandle.USER_SYSTEM) {
-            // Device owner provisioning can only be initiated from system user.
-            return false;
-        }
-        return true;
+    }
+
+    private boolean isDeviceOwnerProvisioningAllowed(int deviceOwnerUserId) {
+        return CODE_OK == checkSetDeviceOwnerPreCondition(deviceOwnerUserId, /* isAdb */ false);
     }
 
     private boolean hasFeatureManagedUsers() {
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/RemoteBugreportUtils.java b/services/devicepolicy/java/com/android/server/devicepolicy/RemoteBugreportUtils.java
index 117ba15..6d42dc9 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/RemoteBugreportUtils.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/RemoteBugreportUtils.java
@@ -19,8 +19,12 @@
 import android.annotation.IntDef;
 import android.app.Notification;
 import android.app.PendingIntent;
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
+import android.os.UserHandle;
+import android.provider.Settings;
 import android.text.format.DateUtils;
 
 import com.android.internal.R;
@@ -37,79 +41,62 @@
 
     @Retention(RetentionPolicy.SOURCE)
     @IntDef({
-        NOTIFICATION_BUGREPORT_STARTED,
-        NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED,
-        NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED
+        DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED,
+        DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED,
+        DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED
     })
     @interface RemoteBugreportNotificationType {}
-    static final int NOTIFICATION_BUGREPORT_STARTED = 1;
-    static final int NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED = 2;
-    static final int NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED = 3;
 
     static final long REMOTE_BUGREPORT_TIMEOUT_MILLIS = 10 * DateUtils.MINUTE_IN_MILLIS;
 
     static final String CTL_STOP = "ctl.stop";
     static final String REMOTE_BUGREPORT_SERVICE = "bugreportremote";
 
-    static final String ACTION_REMOTE_BUGREPORT_DISPATCH =
-            "android.intent.action.REMOTE_BUGREPORT_DISPATCH";
-    static final String ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED =
-            "com.android.server.action.REMOTE_BUGREPORT_SHARING_ACCEPTED";
-    static final String ACTION_REMOTE_BUGREPORT_SHARING_DECLINED =
-            "com.android.server.action.REMOTE_BUGREPORT_SHARING_DECLINED";
-    static final String EXTRA_REMOTE_BUGREPORT_HASH = "android.intent.extra.REMOTE_BUGREPORT_HASH";
-
     static final String BUGREPORT_MIMETYPE = "application/vnd.android.bugreport";
 
     static Notification buildNotification(Context context,
             @RemoteBugreportNotificationType int type) {
+        Intent dialogIntent = new Intent(Settings.ACTION_SHOW_REMOTE_BUGREPORT_DIALOG);
+        dialogIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+        dialogIntent.putExtra(DevicePolicyManager.EXTRA_BUGREPORT_NOTIFICATION_TYPE, type);
+        PendingIntent pendingDialogIntent = PendingIntent.getActivityAsUser(context, type,
+                dialogIntent, 0, null, UserHandle.CURRENT);
+
         Notification.Builder builder = new Notification.Builder(context)
                 .setSmallIcon(com.android.internal.R.drawable.stat_sys_adb)
                 .setOngoing(true)
                 .setLocalOnly(true)
+                .setPriority(Notification.PRIORITY_HIGH)
+                .setContentIntent(pendingDialogIntent)
                 .setColor(context.getColor(
                         com.android.internal.R.color.system_notification_accent_color));
 
-        if (type == NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED) {
+        if (type == DevicePolicyManager.NOTIFICATION_BUGREPORT_ACCEPTED_NOT_FINISHED) {
             builder.setContentTitle(context.getString(
-                            R.string.sharing_remote_bugreport_notification_title))
-                    .setContentText(context.getString(
-                            R.string.sharing_remote_bugreport_notification_message))
-                    .setPriority(Notification.PRIORITY_HIGH)
-                    .setProgress(0, 0, true)
-                    .setStyle(new Notification.BigTextStyle().bigText(context.getString(
-                            R.string.sharing_remote_bugreport_notification_message)));
-        } else {
+                        R.string.sharing_remote_bugreport_notification_title))
+                    .setProgress(0, 0, true);
+        } else if (type == DevicePolicyManager.NOTIFICATION_BUGREPORT_STARTED) {
+            builder.setContentTitle(context.getString(
+                        R.string.taking_remote_bugreport_notification_title))
+                    .setProgress(0, 0, true);
+        } else if (type == DevicePolicyManager.NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED) {
             PendingIntent pendingIntentAccept = PendingIntent.getBroadcast(context, NOTIFICATION_ID,
-                    new Intent(ACTION_REMOTE_BUGREPORT_SHARING_ACCEPTED),
+                    new Intent(DevicePolicyManager.ACTION_BUGREPORT_SHARING_ACCEPTED),
                     PendingIntent.FLAG_CANCEL_CURRENT);
             PendingIntent pendingIntentDecline = PendingIntent.getBroadcast(context,
-                    NOTIFICATION_ID, new Intent(ACTION_REMOTE_BUGREPORT_SHARING_DECLINED),
+                    NOTIFICATION_ID, new Intent(
+                            DevicePolicyManager.ACTION_BUGREPORT_SHARING_DECLINED),
                     PendingIntent.FLAG_CANCEL_CURRENT);
             builder.addAction(new Notification.Action.Builder(null /* icon */, context.getString(
-                            R.string.share_remote_bugreport_notification_decline),
-                            pendingIntentDecline).build())
+                        R.string.decline_remote_bugreport_action), pendingIntentDecline).build())
                     .addAction(new Notification.Action.Builder(null /* icon */, context.getString(
-                            R.string.share_remote_bugreport_notification_accept),
-                            pendingIntentAccept).build())
+                        R.string.share_remote_bugreport_action), pendingIntentAccept).build())
                     .setContentTitle(context.getString(
-                            R.string.share_remote_bugreport_notification_title));
-
-            if (type == NOTIFICATION_BUGREPORT_STARTED) {
-                builder.setContentText(context.getString(
-                                R.string.share_remote_bugreport_notification_message))
-                        .setStyle(new Notification.BigTextStyle().bigText(context.getString(
-                                R.string.share_remote_bugreport_notification_message)))
-                        .setProgress(0, 0, true)
-                        .setPriority(Notification.PRIORITY_MAX)
-                        .setVibrate(new long[0]);
-            } else if (type == NOTIFICATION_BUGREPORT_FINISHED_NOT_ACCEPTED) {
-                builder.setContentText(context.getString(
-                                R.string.share_finished_remote_bugreport_notification_message))
-                        .setStyle(new Notification.BigTextStyle().bigText(context.getString(
-                                R.string.share_finished_remote_bugreport_notification_message)))
-                        .setPriority(Notification.PRIORITY_HIGH);
-            }
+                        R.string.share_remote_bugreport_notification_title))
+                    .setContentText(context.getString(
+                        R.string.share_remote_bugreport_notification_message_finished))
+                    .setStyle(new Notification.BigTextStyle().bigText(context.getString(
+                        R.string.share_remote_bugreport_notification_message_finished)));
         }
 
         return builder.build();
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 9aa2b94..b8c31e3 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -431,6 +431,24 @@
         mPackageManager = mSystemContext.getPackageManager();
         Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
 
+        // Manages A/B OTA dexopting. This is a bootstrap service as we need it to rename
+        // A/B artifacts after boot, before anything else might touch/need them.
+        // Note: this isn't needed during decryption (we don't have /data anyways).
+        if (!mOnlyCore) {
+            boolean disableOtaDexopt = SystemProperties.getBoolean("config.disable_otadexopt",
+                    false);
+            if (!disableOtaDexopt) {
+                traceBeginAndSlog("StartOtaDexOptService");
+                try {
+                    OtaDexoptService.main(mSystemContext, mPackageManagerService);
+                } catch (Throwable e) {
+                    reportWtf("starting OtaDexOptService", e);
+                } finally {
+                    Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
+                }
+            }
+        }
+
         traceBeginAndSlog("StartUserManagerService");
         ServiceManager.addService(Context.USER_SERVICE, UserManagerService.getInstance());
         Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
@@ -1124,19 +1142,6 @@
                     reportWtf("starting BackgroundDexOptService", e);
                 }
                 Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
-
-                // Manages A/B OTA dexopting.
-                boolean disableOtaDexopt = SystemProperties.getBoolean("config.disable_otadexopt",
-                        false);
-                if (!disableOtaDexopt) {
-                    traceBeginAndSlog("StartOtaDexOptService");
-                    try {
-                        OtaDexoptService.main(mSystemContext, mPackageManagerService);
-                    } catch (Throwable e) {
-                        reportWtf("starting BackgroundDexOptService", e);
-                    }
-                    Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
-                }
             }
 
             mSystemServiceManager.startService(LauncherAppsService.class);
diff --git a/services/net/java/android/net/dhcp/DhcpClient.java b/services/net/java/android/net/dhcp/DhcpClient.java
index 4f99bff..e2562cd 100644
--- a/services/net/java/android/net/dhcp/DhcpClient.java
+++ b/services/net/java/android/net/dhcp/DhcpClient.java
@@ -84,10 +84,10 @@
 public class DhcpClient extends StateMachine {
 
     private static final String TAG = "DhcpClient";
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
     private static final boolean STATE_DBG = false;
     private static final boolean MSG_DBG = false;
-    private static final boolean PACKET_DBG = true;
+    private static final boolean PACKET_DBG = false;
 
     // Timers and timeouts.
     private static final int SECONDS = 1000;
@@ -342,14 +342,14 @@
 
         @Override
         public void run() {
-            maybeLog("Receive thread started");
+            if (DBG) Log.d(TAG, "Receive thread started");
             while (!stopped) {
                 int length = 0;  // Or compiler can't tell it's initialized if a parse error occurs.
                 try {
                     length = Os.read(mPacketSock, mPacket, 0, mPacket.length);
                     DhcpPacket packet = null;
                     packet = DhcpPacket.decodeFullPacket(mPacket, length, DhcpPacket.ENCAP_L2);
-                    maybeLog("Received packet: " + packet);
+                    if (DBG) Log.d(TAG, "Received packet: " + packet);
                     sendMessage(CMD_RECEIVED_PACKET, packet);
                 } catch (IOException|ErrnoException e) {
                     if (!stopped) {
@@ -362,7 +362,7 @@
                     }
                 }
             }
-            maybeLog("Receive thread stopped");
+            if (DBG) Log.d(TAG, "Receive thread stopped");
         }
     }
 
@@ -373,12 +373,12 @@
     private boolean transmitPacket(ByteBuffer buf, String description, Inet4Address to) {
         try {
             if (to.equals(INADDR_BROADCAST)) {
-                maybeLog("Broadcasting " + description);
+                if (DBG) Log.d(TAG, "Broadcasting " + description);
                 Os.sendto(mPacketSock, buf.array(), 0, buf.limit(), 0, mInterfaceBroadcastAddr);
             } else {
                 // It's safe to call getpeername here, because we only send unicast packets if we
                 // have an IP address, and we connect the UDP socket in DhcpHaveAddressState#enter.
-                maybeLog("Unicasting " + description + " to " + Os.getpeername(mUdpSock));
+                if (DBG) Log.d(TAG, "Unicasting " + description + " to " + Os.getpeername(mUdpSock));
                 Os.write(mUdpSock, buf);
             }
         } catch(ErrnoException|IOException e) {
@@ -454,10 +454,6 @@
         mController.sendMessage(CMD_ON_QUIT);
     }
 
-    private void maybeLog(String msg) {
-        if (DBG) Log.d(TAG, msg);
-    }
-
     abstract class LoggingState extends State {
         public void enter() {
             if (STATE_DBG) Log.d(TAG, "Entering state " + getName());
@@ -592,7 +588,7 @@
                     transitionTo(mStoppedState);
                     return HANDLED;
                 case CMD_ONESHOT_TIMEOUT:
-                    maybeLog("Timed out");
+                    if (DBG) Log.d(TAG, "Timed out");
                     notifyFailure();
                     return HANDLED;
                 default:
@@ -790,7 +786,7 @@
 
         @Override
         public void exit() {
-            maybeLog("Clearing IP address");
+            if (DBG) Log.d(TAG, "Clearing IP address");
             setIpAddress(new LinkAddress("0.0.0.0/0"));
         }
     }
diff --git a/services/net/java/android/net/ip/IpManager.java b/services/net/java/android/net/ip/IpManager.java
index afae956..c7c5015 100644
--- a/services/net/java/android/net/ip/IpManager.java
+++ b/services/net/java/android/net/ip/IpManager.java
@@ -63,7 +63,7 @@
  * @hide
  */
 public class IpManager extends StateMachine {
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
     private static final boolean VDBG = false;
 
     // For message logging.
diff --git a/services/net/java/android/net/ip/IpReachabilityMonitor.java b/services/net/java/android/net/ip/IpReachabilityMonitor.java
index 88155f7..5b4fd50 100644
--- a/services/net/java/android/net/ip/IpReachabilityMonitor.java
+++ b/services/net/java/android/net/ip/IpReachabilityMonitor.java
@@ -132,7 +132,7 @@
  */
 public class IpReachabilityMonitor {
     private static final String TAG = "IpReachabilityMonitor";
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
     private static final boolean VDBG = false;
 
     public interface Callback {
diff --git a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
index 212b37c..8c47087 100644
--- a/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
+++ b/services/tests/servicestests/src/com/android/server/devicepolicy/DevicePolicyManagerTest.java
@@ -969,6 +969,8 @@
 
         mContext.binder.callingUid = DpmMockContext.CALLER_SYSTEM_USER_UID;
 
+        when(mContext.userManagerForMock.isSplitSystemUser()).thenReturn(true);
+
         // Make sure the admin packge is installed to each user.
         setUpPackageManagerForAdmin(admin1, DpmMockContext.CALLER_SYSTEM_USER_UID);
         setUpPackageManagerForAdmin(admin3, DpmMockContext.CALLER_SYSTEM_USER_UID);
@@ -1008,6 +1010,7 @@
      * finds the right component from a package name upon migration.
      */
     public void testDeviceOwnerMigration() throws Exception {
+        when(mContext.userManagerForMock.isSplitSystemUser()).thenReturn(true);
         checkDeviceOwnerWithMultipleDeviceAdmins();
 
         // Overwrite the device owner setting and clears the clas name.
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
index 6ab0b99..837b4a4 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
@@ -75,7 +75,7 @@
  */
 public class VoiceInteractionManagerService extends SystemService {
     static final String TAG = "VoiceInteractionManagerService";
-    static final boolean DEBUG = true;
+    static final boolean DEBUG = false;
 
     final Context mContext;
     final ContentResolver mResolver;
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 1278c07..cd1c5e9 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -637,7 +637,7 @@
         sDefaults.putBoolean(KEY_SHOW_CDMA_CHOICES_BOOL, false);
         sDefaults.putBoolean(KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL, true);
         sDefaults.putBoolean(KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL, true);
-        sDefaults.putBoolean(KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL, true);
+        sDefaults.putBoolean(KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL, false);
         sDefaults.putBoolean(KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL, true);
         sDefaults.putBoolean(KEY_USE_HFA_FOR_PROVISIONING_BOOL, false);
         sDefaults.putBoolean(KEY_USE_OTASP_FOR_PROVISIONING_BOOL, false);
diff --git a/telephony/java/android/telephony/ServiceState.java b/telephony/java/android/telephony/ServiceState.java
index ad007c6..39a9295 100644
--- a/telephony/java/android/telephony/ServiceState.java
+++ b/telephony/java/android/telephony/ServiceState.java
@@ -36,7 +36,7 @@
 public class ServiceState implements Parcelable {
 
     static final String LOG_TAG = "PHONE";
-    static final boolean DBG = true;
+    static final boolean DBG = false;
     static final boolean VDBG = false;  // STOPSHIP if true
 
     /**
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index e90be91..b482811 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -4403,7 +4403,6 @@
             Log.e(TAG, "Error calling ITelephony#getDataEnabled", e);
         } catch (NullPointerException e) {
         }
-        Log.d(TAG, "getDataEnabled: retVal=" + retVal);
         return retVal;
     }
 
diff --git a/tests/OneMedia/src/com/android/onemedia/playback/LocalRenderer.java b/tests/OneMedia/src/com/android/onemedia/playback/LocalRenderer.java
index c8a8d6c..6463e1f 100644
--- a/tests/OneMedia/src/com/android/onemedia/playback/LocalRenderer.java
+++ b/tests/OneMedia/src/com/android/onemedia/playback/LocalRenderer.java
@@ -47,7 +47,7 @@
         OnBufferingUpdateListener, OnCompletionListener, OnErrorListener,
         OnAudioFocusChangeListener {
     private static final String TAG = "MediaPlayerManager";
-    private static final boolean DEBUG = true;
+    private static final boolean DEBUG = false;
     private static long sDebugInstanceId = 0;
 
     private static final String[] SUPPORTED_FEATURES = {
diff --git a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
index 4770c05..3ca96d2 100644
--- a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
+++ b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
@@ -40,7 +40,7 @@
 
 public class TestSoundTriggerActivity extends Activity {
     private static final String TAG = "TestSoundTriggerActivity";
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
 
     private SoundTriggerUtil mSoundTriggerUtil;
     private Random mRandom;
diff --git a/tests/SoundTriggerTests/Android.mk b/tests/SoundTriggerTests/Android.mk
index 407a9d7..ac562b9 100644
--- a/tests/SoundTriggerTests/Android.mk
+++ b/tests/SoundTriggerTests/Android.mk
@@ -18,7 +18,14 @@
 
 LOCAL_MODULE_TAGS := tests
 
-LOCAL_SRC_FILES := $(call all-subdir-java-files)
+ifeq ($(SOUND_TRIGGER_USE_STUB_MODULE), 1)
+  LOCAL_SRC_FILES := $(call all-subdir-java-files)
+  LOCAL_PRIVILEGED_MODULE := true
+  LOCAL_CERTIFICATE := platform
+  TARGET_OUT_DATA_APPS_PRIVILEGED := $(TARGET_OUT_DATA)/priv-app
+else
+  LOCAL_SRC_FILES := src/android/hardware/soundtrigger/SoundTriggerTest.java
+endif
 
 LOCAL_JAVA_LIBRARIES := android.test.runner
 
diff --git a/tests/SoundTriggerTests/AndroidManifest.xml b/tests/SoundTriggerTests/AndroidManifest.xml
index 5e5a108..e8b9dd3 100644
--- a/tests/SoundTriggerTests/AndroidManifest.xml
+++ b/tests/SoundTriggerTests/AndroidManifest.xml
@@ -14,7 +14,10 @@
      limitations under the License.
 -->
 
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="android.hardware.soundtrigger">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="android.hardware.soundtrigger">
+    <uses-permission android:name="android.permission.MANAGE_SOUND_TRIGGER" />
+
     <application>
         <uses-library android:name="android.test.runner" />
     </application>
diff --git a/tests/SoundTriggerTests/src/android/hardware/soundtrigger/stubhal/GenericSoundModelTest.java b/tests/SoundTriggerTests/src/android/hardware/soundtrigger/stubhal/GenericSoundModelTest.java
new file mode 100644
index 0000000..7acb472
--- /dev/null
+++ b/tests/SoundTriggerTests/src/android/hardware/soundtrigger/stubhal/GenericSoundModelTest.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.soundtrigger;
+
+import java.util.Random;
+import java.util.UUID;
+
+import android.content.Context;
+import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
+import android.media.soundtrigger.SoundTriggerManager;
+import android.os.ParcelUuid;
+import android.os.ServiceManager;
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import com.android.internal.app.ISoundTriggerService;
+
+import java.util.Arrays;
+import java.util.Random;
+import java.util.UUID;
+
+public class GenericSoundModelTest extends AndroidTestCase {
+    private Random mRandom = new Random();
+
+    @SmallTest
+    public void testUpdateGenericSoundModel() throws Exception {
+        Context context = getContext();
+        ISoundTriggerService mSoundTriggerService = ISoundTriggerService.Stub.asInterface(
+            ServiceManager.getService(Context.SOUND_TRIGGER_SERVICE));
+        SoundTriggerManager mSoundTriggerManager = (SoundTriggerManager) context.getSystemService(
+            Context.SOUND_TRIGGER_SERVICE);
+
+        byte[] data = new byte[1024];
+        mRandom.nextBytes(data);
+        UUID modelUuid = UUID.randomUUID();
+        UUID mVendorUuid = UUID.randomUUID();
+        GenericSoundModel model = new GenericSoundModel(modelUuid, mVendorUuid, data);
+
+        mSoundTriggerService.updateSoundModel(model);
+        GenericSoundModel returnedModel =
+            mSoundTriggerService.getSoundModel(new ParcelUuid(modelUuid));
+
+        assertEquals(model, returnedModel);
+
+        // Cleanup sound model
+        mSoundTriggerService.deleteSoundModel(new ParcelUuid(modelUuid));
+    }
+
+
+    @SmallTest
+    public void testDeleteGenericSoundModel() throws Exception {
+        Context context = getContext();
+        ISoundTriggerService mSoundTriggerService = ISoundTriggerService.Stub.asInterface(
+            ServiceManager.getService(Context.SOUND_TRIGGER_SERVICE));
+        SoundTriggerManager mSoundTriggerManager = (SoundTriggerManager) context.getSystemService(
+            Context.SOUND_TRIGGER_SERVICE);
+
+        byte[] data = new byte[1024];
+        mRandom.nextBytes(data);
+        UUID modelUuid = UUID.randomUUID();
+        UUID mVendorUuid = UUID.randomUUID();
+        GenericSoundModel model = new GenericSoundModel(modelUuid, mVendorUuid, data);
+
+        mSoundTriggerService.updateSoundModel(model);
+        mSoundTriggerService.deleteSoundModel(new ParcelUuid(modelUuid));
+
+        GenericSoundModel returnedModel =
+            mSoundTriggerService.getSoundModel(new ParcelUuid(modelUuid));
+        assertEquals(null, returnedModel);
+    }
+}
diff --git a/tests/VoiceEnrollment/src/com/android/test/voiceenrollment/TestEnrollmentActivity.java b/tests/VoiceEnrollment/src/com/android/test/voiceenrollment/TestEnrollmentActivity.java
index 2494db7..54c944f9 100644
--- a/tests/VoiceEnrollment/src/com/android/test/voiceenrollment/TestEnrollmentActivity.java
+++ b/tests/VoiceEnrollment/src/com/android/test/voiceenrollment/TestEnrollmentActivity.java
@@ -31,7 +31,7 @@
 
 public class TestEnrollmentActivity extends Activity {
     private static final String TAG = "TestEnrollmentActivity";
-    private static final boolean DBG = true;
+    private static final boolean DBG = false;
 
     /** Keyphrase related constants, must match those defined in enrollment_application.xml */
     private static final int KEYPHRASE_ID = 101;
diff --git a/tools/aapt/AaptAssets.cpp b/tools/aapt/AaptAssets.cpp
index 3b01827..cbd8480 100644
--- a/tools/aapt/AaptAssets.cpp
+++ b/tools/aapt/AaptAssets.cpp
@@ -373,7 +373,7 @@
 void AaptLocaleValue::initFromResTable(const ResTable_config& config) {
     config.unpackLanguage(language);
     config.unpackRegion(region);
-    if (config.localeScriptWasProvided) {
+    if (config.localeScript[0] && !config.localeScriptWasComputed) {
         memcpy(script, config.localeScript, sizeof(config.localeScript));
     }
 
@@ -388,10 +388,10 @@
 
     if (script[0]) {
         memcpy(out->localeScript, script, sizeof(out->localeScript));
-        out->localeScriptWasProvided = true;
+        out->localeScriptWasComputed = false;
     } else {
         out->computeScript();
-        out->localeScriptWasProvided = false;
+        out->localeScriptWasComputed = true;
     }
 
     if (variant[0]) {
diff --git a/tools/aapt2/Android.mk b/tools/aapt2/Android.mk
index f9d35ab..57a7692 100644
--- a/tools/aapt2/Android.mk
+++ b/tools/aapt2/Android.mk
@@ -13,15 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-
-# This tool is prebuilt if we're doing an app-only build.
-ifeq ($(TARGET_BUILD_APPS)$(filter true,$(TARGET_BUILD_PDK)),)
+LOCAL_PATH:= $(call my-dir)
 
 # ==========================================================
 # Setup some common variables for the different build
 # targets here.
 # ==========================================================
-LOCAL_PATH:= $(call my-dir)
 
 main := Main.cpp
 sources := \
@@ -192,4 +189,6 @@
 
 include $(BUILD_HOST_EXECUTABLE)
 
-endif # No TARGET_BUILD_APPS or TARGET_BUILD_PDK
+ifeq ($(ONE_SHOT_MAKEFILE),)
+include $(call all-makefiles-under,$(LOCAL_PATH))
+endif
diff --git a/tools/aapt2/Locale.cpp b/tools/aapt2/Locale.cpp
index 6acf3b0..12f56fc 100644
--- a/tools/aapt2/Locale.cpp
+++ b/tools/aapt2/Locale.cpp
@@ -253,7 +253,7 @@
 void LocaleValue::initFromResTable(const ResTable_config& config) {
     config.unpackLanguage(language);
     config.unpackRegion(region);
-    if (config.localeScriptWasProvided) {
+    if (config.localeScript[0] && !config.localeScriptWasComputed) {
         memcpy(script, config.localeScript, sizeof(config.localeScript));
     }
 
@@ -268,10 +268,10 @@
 
     if (script[0]) {
         memcpy(out->localeScript, script, sizeof(out->localeScript));
-        out->localeScriptWasProvided = true;
+        out->localeScriptWasComputed = false;
     } else {
         out->computeScript();
-        out->localeScriptWasProvided = false;
+        out->localeScriptWasComputed = true;
     }
 
     if (variant[0]) {
diff --git a/tools/aapt2/Resource.h b/tools/aapt2/Resource.h
index c71e249..4d1db5b 100644
--- a/tools/aapt2/Resource.h
+++ b/tools/aapt2/Resource.h
@@ -81,9 +81,6 @@
     ResourceName(const StringPiece16& p, ResourceType t, const StringPiece16& e);
 
     bool isValid() const;
-    bool operator<(const ResourceName& rhs) const;
-    bool operator==(const ResourceName& rhs) const;
-    bool operator!=(const ResourceName& rhs) const;
     std::u16string toString() const;
 };
 
@@ -109,10 +106,6 @@
 
     ResourceName toResourceName() const;
     bool isValid() const;
-
-    bool operator<(const ResourceNameRef& rhs) const;
-    bool operator==(const ResourceNameRef& rhs) const;
-    bool operator!=(const ResourceNameRef& rhs) const;
 };
 
 /**
@@ -138,17 +131,11 @@
     uint8_t packageId() const;
     uint8_t typeId() const;
     uint16_t entryId() const;
-    bool operator<(const ResourceId& rhs) const;
-    bool operator==(const ResourceId& rhs) const;
 };
 
 struct SourcedResourceName {
     ResourceName name;
     size_t line;
-
-    inline bool operator==(const SourcedResourceName& rhs) const {
-        return name == rhs.name && line == rhs.line;
-    }
 };
 
 struct ResourceFile {
@@ -227,16 +214,23 @@
     return static_cast<uint16_t>(id);
 }
 
-inline bool ResourceId::operator<(const ResourceId& rhs) const {
-    return id < rhs.id;
+inline bool operator<(const ResourceId& lhs, const ResourceId& rhs) {
+    return lhs.id < rhs.id;
 }
 
-inline bool ResourceId::operator==(const ResourceId& rhs) const {
-    return id == rhs.id;
+inline bool operator>(const ResourceId& lhs, const ResourceId& rhs) {
+    return lhs.id > rhs.id;
 }
 
-inline ::std::ostream& operator<<(::std::ostream& out,
-        const ResourceId& resId) {
+inline bool operator==(const ResourceId& lhs, const ResourceId& rhs) {
+    return lhs.id == rhs.id;
+}
+
+inline bool operator!=(const ResourceId& lhs, const ResourceId& rhs) {
+    return lhs.id != rhs.id;
+}
+
+inline ::std::ostream& operator<<(::std::ostream& out, const ResourceId& resId) {
     std::ios_base::fmtflags oldFlags = out.flags();
     char oldFill = out.fill();
     out << "0x" << std::internal << std::setfill('0') << std::setw(8)
@@ -266,29 +260,21 @@
     return !package.empty() && !entry.empty();
 }
 
-inline bool ResourceName::operator<(const ResourceName& rhs) const {
-    return std::tie(package, type, entry)
+inline bool operator<(const ResourceName& lhs, const ResourceName& rhs) {
+    return std::tie(lhs.package, lhs.type, lhs.entry)
             < std::tie(rhs.package, rhs.type, rhs.entry);
 }
 
-inline bool operator<(const ResourceName& lhs, const ResourceNameRef& b) {
-    return ResourceNameRef(lhs) < b;
-}
-
-inline bool ResourceName::operator==(const ResourceName& rhs) const {
-    return std::tie(package, type, entry)
+inline bool operator==(const ResourceName& lhs, const ResourceName& rhs) {
+    return std::tie(lhs.package, lhs.type, lhs.entry)
             == std::tie(rhs.package, rhs.type, rhs.entry);
 }
 
-inline bool ResourceName::operator!=(const ResourceName& rhs) const {
-    return std::tie(package, type, entry)
+inline bool operator!=(const ResourceName& lhs, const ResourceName& rhs) {
+    return std::tie(lhs.package, lhs.type, lhs.entry)
             != std::tie(rhs.package, rhs.type, rhs.entry);
 }
 
-inline bool operator!=(const ResourceName& lhs, const ResourceNameRef& rhs) {
-    return ResourceNameRef(lhs) != rhs;
-}
-
 inline std::u16string ResourceName::toString() const {
     std::u16string result;
     if (!package.empty()) {
@@ -333,18 +319,18 @@
     return !package.empty() && !entry.empty();
 }
 
-inline bool ResourceNameRef::operator<(const ResourceNameRef& rhs) const {
-    return std::tie(package, type, entry)
+inline bool operator<(const ResourceNameRef& lhs, const ResourceNameRef& rhs) {
+    return std::tie(lhs.package, lhs.type, lhs.entry)
             < std::tie(rhs.package, rhs.type, rhs.entry);
 }
 
-inline bool ResourceNameRef::operator==(const ResourceNameRef& rhs) const {
-    return std::tie(package, type, entry)
+inline bool operator==(const ResourceNameRef& lhs, const ResourceNameRef& rhs) {
+    return std::tie(lhs.package, lhs.type, lhs.entry)
             == std::tie(rhs.package, rhs.type, rhs.entry);
 }
 
-inline bool ResourceNameRef::operator!=(const ResourceNameRef& rhs) const {
-    return std::tie(package, type, entry)
+inline bool operator!=(const ResourceNameRef& lhs, const ResourceNameRef& rhs) {
+    return std::tie(lhs.package, lhs.type, lhs.entry)
             != std::tie(rhs.package, rhs.type, rhs.entry);
 }
 
@@ -355,6 +341,18 @@
     return out << name.type << "/" << name.entry;
 }
 
+inline bool operator<(const ResourceName& lhs, const ResourceNameRef& b) {
+    return ResourceNameRef(lhs) < b;
+}
+
+inline bool operator!=(const ResourceName& lhs, const ResourceNameRef& rhs) {
+    return ResourceNameRef(lhs) != rhs;
+}
+
+inline bool operator==(const SourcedResourceName& lhs, const SourcedResourceName& rhs) {
+    return lhs.name == rhs.name && lhs.line == rhs.line;
+}
+
 } // namespace aapt
 
 #endif // AAPT_RESOURCE_H
diff --git a/tools/aapt2/compile/Compile.cpp b/tools/aapt2/compile/Compile.cpp
index 5f9719e..2452a1d 100644
--- a/tools/aapt2/compile/Compile.cpp
+++ b/tools/aapt2/compile/Compile.cpp
@@ -422,10 +422,6 @@
 }
 
 class CompileContext : public IAaptContext {
-private:
-    StdErrDiagnostics mDiagnostics;
-    bool mVerbose = false;
-
 public:
     void setVerbose(bool val) {
         mVerbose = val;
@@ -444,18 +440,24 @@
        return nullptr;
     }
 
-    StringPiece16 getCompilationPackage() override {
-       return {};
+    const std::u16string& getCompilationPackage() override {
+        static std::u16string empty;
+        return empty;
     }
 
     uint8_t getPackageId() override {
        return 0x0;
     }
 
-    ISymbolTable* getExternalSymbols() override {
+    SymbolTable* getExternalSymbols() override {
        abort();
        return nullptr;
     }
+
+private:
+    StdErrDiagnostics mDiagnostics;
+    bool mVerbose = false;
+
 };
 
 /**
diff --git a/tools/aapt2/data/AndroidManifest.xml b/tools/aapt2/data/AndroidManifest.xml
deleted file mode 100644
index d3b2fbe..0000000
--- a/tools/aapt2/data/AndroidManifest.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.android.app">
-    <application
-        android:name=".ActivityMain">
-    </application>
-</manifest>
diff --git a/tools/aapt2/data/Makefile b/tools/aapt2/data/Makefile
deleted file mode 100644
index 37012de..0000000
--- a/tools/aapt2/data/Makefile
+++ /dev/null
@@ -1,61 +0,0 @@
-##
-# Environment dependent variables
-##
-
-AAPT := aapt2
-ZIPALIGN := zipalign -f 4
-FRAMEWORK := ../../../../../out/target/common/obj/APPS/framework-res_intermediates/package-export.apk
-
-##
-# Project depenedent variables
-##
-
-LOCAL_PACKAGE := com.android.app
-LOCAL_RESOURCE_DIR := res
-LOCAL_LIBS := lib/out/package.apk
-LOCAL_OUT := out
-LOCAL_GEN := out/gen
-LOCAL_PROGUARD := out/proguard.rule
-
-##
-# AAPT2 custom rules.
-##
-
-PRIVATE_R_FILE := $(LOCAL_GEN)/$(subst .,/,$(LOCAL_PACKAGE))/R.java
-$(info PRIVATE_R_FILE = $(PRIVATE_R_FILE))
-
-# Eg: framework.apk, etc.
-PRIVATE_INCLUDES := $(FRAMEWORK)
-$(info PRIVATE_INCLUDES = $(PRIVATE_INCLUDES))
-
-# Eg: res/drawable/icon.png, res/values/styles.xml
-PRIVATE_RESOURCES := $(shell find $(LOCAL_RESOURCE_DIR) -mindepth 1 -maxdepth 2 -type f)
-$(info PRIVATE_RESOURCES = $(PRIVATE_RESOURCES))
-
-PRIVATE_RESOURCE_OBJECTS := $(subst /,_,$(patsubst $(LOCAL_RESOURCE_DIR)/%,%,$(filter $(LOCAL_RESOURCE_DIR)/values%,$(PRIVATE_RESOURCES))))
-PRIVATE_RESOURCE_OBJECTS := $(addprefix $(LOCAL_OUT)/,$(PRIVATE_RESOURCE_OBJECTS:.xml=.arsc.flat))
-$(info PRIVATE_RESOURCE_OBJECTS = $(PRIVATE_RESOURCE_OBJECTS))
-
-PRIVATE_FILE_OBJECTS := $(subst /,_,$(patsubst $(LOCAL_RESOURCE_DIR)/%,%,$(filter-out $(LOCAL_RESOURCE_DIR)/values%,$(PRIVATE_RESOURCES))))
-PRIVATE_FILE_OBJECTS := $(addprefix $(LOCAL_OUT)/,$(addsuffix .flat,$(PRIVATE_FILE_OBJECTS)))
-$(info PRIVATE_FILE_OBJECTS = $(PRIVATE_FILE_OBJECTS))
-
-.SECONDEXPANSION:
-
-$(LOCAL_OUT)/%.arsc.flat: $(LOCAL_RESOURCE_DIR)/$$(subst _,/,%).xml
-	$(AAPT) compile -o $(LOCAL_OUT) $<
-
-$(LOCAL_OUT)/%.flat: $(LOCAL_RESOURCE_DIR)/$$(subst _,/,%)
-	$(AAPT) compile -o $(LOCAL_OUT) $<
-
-$(LOCAL_PROGUARD) $(LOCAL_OUT)/package.apk: AndroidManifest.xml
-$(PRIVATE_R_FILE) $(LOCAL_PROGUARD) $(LOCAL_OUT)/package.apk: $(PRIVATE_FILE_OBJECTS) $(PRIVATE_RESOURCE_OBJECTS)
-	$(AAPT) link -o $(LOCAL_OUT)/package.apk --manifest AndroidManifest.xml --java $(LOCAL_GEN) --proguard $(LOCAL_PROGUARD) -I $(PRIVATE_INCLUDES) $(filter-out AndroidManifest.xml,$^) -v
-
-# Create the out directory if needed.
-dummy := $(shell test -d $(LOCAL_OUT) || mkdir -p $(LOCAL_OUT))
-
-.PHONY: all
-all: $(LOCAL_OUT)/package.apk $(LOCAL_PROGUARD) $(PRIVATE_R_FILE)
-
-.DEFAULT_GOAL := all
diff --git a/tools/aapt2/data/lib/AndroidManifest.xml b/tools/aapt2/data/lib/AndroidManifest.xml
deleted file mode 100644
index 08b468e..0000000
--- a/tools/aapt2/data/lib/AndroidManifest.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="android.appcompat">
-
-    <uses-feature android:name="bloooop" />
-</manifest>
diff --git a/tools/aapt2/data/lib/Makefile b/tools/aapt2/data/lib/Makefile
deleted file mode 100644
index 741be9a..0000000
--- a/tools/aapt2/data/lib/Makefile
+++ /dev/null
@@ -1,81 +0,0 @@
-##
-# Environment dependent variables
-##
-
-AAPT := aapt2
-ZIPALIGN := zipalign -f 4
-FRAMEWORK := ../../../../../../out/target/common/obj/APPS/framework-res_intermediates/package-export.apk
-
-##
-# Project depenedent variables
-##
-
-LOCAL_PACKAGE := android.appcompat
-LOCAL_RESOURCE_DIR := res
-LOCAL_OUT := out
-LOCAL_GEN := out/gen
-
-##
-# AAPT2 custom rules.
-##
-
-PRIVATE_APK_UNALIGNED := $(LOCAL_OUT)/package-unaligned.apk
-PRIVATE_APK_ALIGNED := $(LOCAL_OUT)/package.apk
-
-# Eg: framework.apk, etc.
-PRIVATE_LIBS := $(FRAMEWORK)
-$(info PRIVATE_LIBS = $(PRIVATE_LIBS))
-
-# Eg: gen/com/android/app/R.java
-PRIVATE_R_JAVA := $(LOCAL_GEN)/$(subst .,/,$(LOCAL_PACKAGE))/R.java
-$(info PRIVATE_R_JAVA = $(PRIVATE_R_JAVA))
-
-# Eg: res/drawable/icon.png, res/values/styles.xml
-PRIVATE_RESOURCES := $(shell find $(LOCAL_RESOURCE_DIR) -mindepth 1 -maxdepth 2 -type f)
-$(info PRIVATE_RESOURCES = $(PRIVATE_RESOURCES))
-
-# Eg: drawable, values, layouts
-PRIVATE_RESOURCE_TYPES := \
-	$(patsubst $(LOCAL_RESOURCE_DIR)/%/,%,$(sort $(dir $(PRIVATE_RESOURCES))))
-$(info PRIVATE_RESOURCE_TYPES = $(PRIVATE_RESOURCE_TYPES))
-
-# Eg: out/values-v4.apk, out/drawable-xhdpi.apk
-PRIVATE_INTERMEDIATE_TABLES := $(patsubst %,$(LOCAL_OUT)/%.apk,$(PRIVATE_RESOURCE_TYPES))
-$(info PRIVATE_INTERMEDIATE_TABLES = $(PRIVATE_INTERMEDIATE_TABLES))
-
-# Generates rules for collect phase.
-# $1: Resource type (values-v4)
-# returns: out/values-v4.apk: res/values-v4/styles.xml res/values-v4/colors.xml
-define make-collect-rule
-$(LOCAL_OUT)/$1.apk: $(filter $(LOCAL_RESOURCE_DIR)/$1/%,$(PRIVATE_RESOURCES))
-	$(AAPT) compile -o $$@ $$^
-endef
-
-# Collect: out/values-v4.apk <- res/values-v4/styles.xml res/values-v4/colors.xml
-$(foreach d,$(PRIVATE_RESOURCE_TYPES),$(eval $(call make-collect-rule,$d)))
-
-# Link: out/package-unaligned.apk <- out/values-v4.apk out/drawable-v4.apk
-$(PRIVATE_APK_UNALIGNED): $(PRIVATE_INTERMEDIATE_TABLES) $(PRIVATE_LIBS) AndroidManifest.xml
-	$(AAPT) link --manifest AndroidManifest.xml $(addprefix -I ,$(PRIVATE_LIBS)) --java $(LOCAL_GEN) -o $@ $(PRIVATE_INTERMEDIATE_TABLES) --static-lib
-
-# R.java: gen/com/android/app/R.java <- out/resources.arsc
-# No action since R.java is generated when out/resources.arsc is.
-$(PRIVATE_R_JAVA): $(PRIVATE_APK_UNALIGNED)
-
-# Assemble: zip out/resources.arsc AndroidManifest.xml and res/**/*
-$(PRIVATE_APK_ALIGNED): $(PRIVATE_APK_UNALIGNED)
-	$(ZIPALIGN) $< $@
-
-# Create the out directory if needed.
-dummy := $(shell test -d $(LOCAL_OUT) || mkdir -p $(LOCAL_OUT))
-
-.PHONY: java
-java: $(PRIVATE_R_JAVA)
-
-.PHONY: assemble
-assemble: $(PRIVATE_APK_ALIGNED)
-
-.PHONY: all
-all: assemble java
-
-.DEFAULT_GOAL := all
diff --git a/tools/aapt2/data/lib/res/layout/main.xml b/tools/aapt2/data/lib/res/layout/main.xml
deleted file mode 100644
index 187ed2d..0000000
--- a/tools/aapt2/data/lib/res/layout/main.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"/>
diff --git a/tools/aapt2/data/lib/res/raw/hello.txt b/tools/aapt2/data/lib/res/raw/hello.txt
deleted file mode 100644
index 44fc22b..0000000
--- a/tools/aapt2/data/lib/res/raw/hello.txt
+++ /dev/null
@@ -1 +0,0 @@
-Oh howdy there
diff --git a/tools/aapt2/data/lib/res/values/styles.xml b/tools/aapt2/data/lib/res/values/styles.xml
deleted file mode 100644
index 4ce6333..0000000
--- a/tools/aapt2/data/lib/res/values/styles.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <style name="Platform.AppCompat" parent="@android:style/Theme">
-        <item name="android:windowNoTitle">true</item>
-    </style>
-
-    <bool name="allow">true</bool>
-</resources>
diff --git a/tools/aapt2/data/res/drawable/image.xml b/tools/aapt2/data/res/drawable/image.xml
deleted file mode 100644
index 9b38739..0000000
--- a/tools/aapt2/data/res/drawable/image.xml
+++ /dev/null
@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector />
diff --git a/tools/aapt2/data/res/layout-v21/main.xml b/tools/aapt2/data/res/layout-v21/main.xml
deleted file mode 100644
index 959b349..0000000
--- a/tools/aapt2/data/res/layout-v21/main.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              xmlns:support="http://schemas.android.com/apk/res/android.appcompat"
-    android:id="@+id/view"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content">
-</LinearLayout>
diff --git a/tools/aapt2/data/res/layout/main.xml b/tools/aapt2/data/res/layout/main.xml
deleted file mode 100644
index 8a5e9e8..0000000
--- a/tools/aapt2/data/res/layout/main.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              xmlns:support="http://schemas.android.com/apk/res/android.appcompat"
-    android:id="@+id/view"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content">
-
-    <fragment class="android.test.sample.App$Inner" />
-
-    <variable name="user" type="com.android.User" />
-
-    <View xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:id="@+id/me"
-        android:layout_width="1dp"
-        android:onClick="doClick"
-        android:text="@{user.name}"
-        android:background="#ffffff"
-        android:layout_height="match_parent"
-        app:flags="complex|weak"
-        android:colorAccent="#ffffff"/>
-</LinearLayout>
diff --git a/tools/aapt2/data/res/values-v4/styles.xml b/tools/aapt2/data/res/values-v4/styles.xml
deleted file mode 100644
index 979a82a..0000000
--- a/tools/aapt2/data/res/values-v4/styles.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <style name="App" parent="android:Theme.Material">
-        <item name="android:colorAccent">@color/accent</item>
-        <item name="android:text">Hey</item>
-    </style>
-</resources>
diff --git a/tools/aapt2/data/res/values/colors.xml b/tools/aapt2/data/res/values/colors.xml
deleted file mode 100644
index 89db5fb..0000000
--- a/tools/aapt2/data/res/values/colors.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <color name="primary">#f44336</color>
-    <color name="primary_dark">#b71c1c</color>
-    <color name="accent">#fdd835</color>
-</resources>
diff --git a/tools/aapt2/data/res/values/styles.xml b/tools/aapt2/data/res/values/styles.xml
deleted file mode 100644
index 2bbdad1..0000000
--- a/tools/aapt2/data/res/values/styles.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:lib="http://schemas.android.com/apk/res/android.appcompat">
-    <style name="App">
-        <item name="android:background">@color/primary</item>
-        <item name="android:colorPrimary">@color/primary</item>
-        <item name="android:colorPrimaryDark">@color/primary_dark</item>
-        <item name="android:colorAccent">@color/accent</item>
-    </style>
-    <attr name="custom" format="reference" />
-    <style name="Pop">
-        <item name="custom">@android:drawable/btn_default</item>
-        <item name="android:focusable">true</item>
-    </style>
-    <string name="yo">@string/wow</string>
-
-    <declare-styleable name="View">
-        <attr name="custom" />
-        <attr name="decor">
-            <enum name="no-border" value="0"/>
-            <enum name="border" value="1"/>
-            <enum name="shadow" value="2"/>
-        </attr>
-    </declare-styleable>
-
-</resources>
diff --git a/tools/aapt2/data/res/values/test.xml b/tools/aapt2/data/res/values/test.xml
deleted file mode 100644
index d7ab1c8..0000000
--- a/tools/aapt2/data/res/values/test.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="hooha"><font bgcolor="#ffffff">Hey guys!</font> <xliff:g>My</xliff:g> name is <b>Adam</b>. How <b><i>are</i></b> you?</string>
-    <public name="hooha" type="string" id="0x7f020001"/>
-    <string name="wow">@android:string/ok</string>
-    <public name="layout_width" type="attr" />
-    <attr name="layout_width" format="boolean" />
-    <attr name="flags">
-        <flag name="complex" value="1" />
-        <flag name="pub" value="2" />
-        <flag name="weak" value="4" />
-    </attr>
-</resources>
diff --git a/tools/aapt2/data/resources.arsc b/tools/aapt2/data/resources.arsc
deleted file mode 100644
index 6a416df..0000000
--- a/tools/aapt2/data/resources.arsc
+++ /dev/null
Binary files differ
diff --git a/tools/aapt2/data/resources_base.arsc b/tools/aapt2/data/resources_base.arsc
deleted file mode 100644
index f9d0610..0000000
--- a/tools/aapt2/data/resources_base.arsc
+++ /dev/null
Binary files differ
diff --git a/tools/aapt2/data/resources_hdpi.arsc b/tools/aapt2/data/resources_hdpi.arsc
deleted file mode 100644
index 97232a3..0000000
--- a/tools/aapt2/data/resources_hdpi.arsc
+++ /dev/null
Binary files differ
diff --git a/tools/aapt2/dump/Dump.cpp b/tools/aapt2/dump/Dump.cpp
index ad7de0a..56b9f9a 100644
--- a/tools/aapt2/dump/Dump.cpp
+++ b/tools/aapt2/dump/Dump.cpp
@@ -17,6 +17,7 @@
 #include "Debug.h"
 #include "Diagnostics.h"
 #include "Flags.h"
+#include "io/ZipArchive.h"
 #include "process/IResourceTableConsumer.h"
 #include "proto/ProtoSerialize.h"
 #include "util/Files.h"
@@ -56,6 +57,35 @@
 
 void tryDumpFile(IAaptContext* context, const std::string& filePath) {
     std::string err;
+    std::unique_ptr<io::ZipFileCollection> zip = io::ZipFileCollection::create(filePath, &err);
+    if (zip) {
+        io::IFile* file = zip->findFile("resources.arsc.flat");
+        if (file) {
+            std::unique_ptr<io::IData> data = file->openAsData();
+            if (!data) {
+                context->getDiagnostics()->error(DiagMessage(filePath)
+                                                 << "failed to open resources.arsc.flat");
+                return;
+            }
+
+            pb::ResourceTable pbTable;
+            if (!pbTable.ParseFromArray(data->data(), data->size())) {
+                context->getDiagnostics()->error(DiagMessage(filePath)
+                                                 << "invalid resources.arsc.flat");
+                return;
+            }
+
+            std::unique_ptr<ResourceTable> table = deserializeTableFromPb(
+                    pbTable, Source(filePath), context->getDiagnostics());
+            if (table) {
+                DebugPrintTableOptions debugPrintTableOptions;
+                debugPrintTableOptions.showSources = true;
+                Debug::printTable(table.get(), debugPrintTableOptions);
+            }
+        }
+        return;
+    }
+
     Maybe<android::FileMap> file = file::mmapPath(filePath, &err);
     if (!file) {
         context->getDiagnostics()->error(DiagMessage(filePath) << err);
@@ -90,15 +120,16 @@
         return nullptr;
     }
 
-    StringPiece16 getCompilationPackage() override {
-        return {};
+    const std::u16string& getCompilationPackage() override {
+        static std::u16string empty;
+        return empty;
     }
 
     uint8_t getPackageId() override {
         return 0;
     }
 
-    ISymbolTable* getExternalSymbols() override {
+    SymbolTable* getExternalSymbols() override {
         abort();
         return nullptr;
     }
diff --git a/tools/aapt2/flatten/XmlFlattener.cpp b/tools/aapt2/flatten/XmlFlattener.cpp
index 8219462..3eac633 100644
--- a/tools/aapt2/flatten/XmlFlattener.cpp
+++ b/tools/aapt2/flatten/XmlFlattener.cpp
@@ -144,9 +144,9 @@
     }
 
     static bool cmpXmlAttributeById(const xml::Attribute* a, const xml::Attribute* b) {
-        if (a->compiledAttribute) {
-            if (b->compiledAttribute) {
-                return a->compiledAttribute.value().id < b->compiledAttribute.value().id;
+        if (a->compiledAttribute && a->compiledAttribute.value().id) {
+            if (b->compiledAttribute && b->compiledAttribute.value().id) {
+                return a->compiledAttribute.value().id.value() < b->compiledAttribute.value().id.value();
             }
             return true;
         } else if (!b->compiledAttribute) {
@@ -167,8 +167,8 @@
 
         // Filter the attributes.
         for (xml::Attribute& attr : node->attributes) {
-            if (mOptions.maxSdkLevel && attr.compiledAttribute) {
-                size_t sdkLevel = findAttributeSdkLevel(attr.compiledAttribute.value().id);
+            if (mOptions.maxSdkLevel && attr.compiledAttribute && attr.compiledAttribute.value().id) {
+                size_t sdkLevel = findAttributeSdkLevel(attr.compiledAttribute.value().id.value());
                 if (sdkLevel > mOptions.maxSdkLevel.value()) {
                     continue;
                 }
@@ -191,8 +191,8 @@
         uint16_t attributeIndex = 1;
         for (const xml::Attribute* xmlAttr : mFilteredAttrs) {
             // Assign the indices for specific attributes.
-            if (xmlAttr->compiledAttribute &&
-                    xmlAttr->compiledAttribute.value().id == kIdAttr) {
+            if (xmlAttr->compiledAttribute && xmlAttr->compiledAttribute.value().id &&
+                    xmlAttr->compiledAttribute.value().id.value() == kIdAttr) {
                 flatElem->idIndex = util::hostToDevice16(attributeIndex);
             } else if (xmlAttr->namespaceUri.empty()) {
                 if (xmlAttr->name == u"class") {
@@ -208,7 +208,7 @@
 
             flatAttr->rawValue.index = util::hostToDevice32(-1);
 
-            if (!xmlAttr->compiledAttribute) {
+            if (!xmlAttr->compiledAttribute || !xmlAttr->compiledAttribute.value().id) {
                 // The attribute has no associated ResourceID, so the string order doesn't matter.
                 addString(xmlAttr->name, kLowPriority, &flatAttr->name);
             } else {
@@ -221,17 +221,17 @@
                 // Lookup the StringPool for this package and make the reference there.
                 const xml::AaptAttribute& aaptAttr = xmlAttr->compiledAttribute.value();
 
-                StringPool::Ref nameRef = mPackagePools[aaptAttr.id.packageId()].makeRef(
-                        xmlAttr->name, StringPool::Context{ aaptAttr.id.id });
+                StringPool::Ref nameRef = mPackagePools[aaptAttr.id.value().packageId()].makeRef(
+                        xmlAttr->name, StringPool::Context{ aaptAttr.id.value().id });
 
                 // Add it to the list of strings to flatten.
                 addString(nameRef, &flatAttr->name);
+            }
 
-                if (mOptions.keepRawValues) {
-                    // Keep raw values (this is for static libraries).
-                    // TODO(with a smarter inflater for binary XML, we can do without this).
-                    addString(xmlAttr->value, kLowPriority, &flatAttr->rawValue);
-                }
+            if (mOptions.keepRawValues || !xmlAttr->compiledValue) {
+                // Keep raw values if the value is not compiled or
+                // if we're building a static library (need symbols).
+                addString(xmlAttr->value, kLowPriority, &flatAttr->rawValue);
             }
 
             if (xmlAttr->compiledValue) {
@@ -240,7 +240,6 @@
             } else {
                 // Flatten as a regular string type.
                 flatAttr->typedValue.dataType = android::Res_value::TYPE_STRING;
-                addString(xmlAttr->value, kLowPriority, &flatAttr->rawValue);
                 addString(xmlAttr->value, kLowPriority,
                           (ResStringPool_ref*) &flatAttr->typedValue.data);
             }
diff --git a/tools/aapt2/flatten/XmlFlattener_test.cpp b/tools/aapt2/flatten/XmlFlattener_test.cpp
index 8648879..fef5ca3 100644
--- a/tools/aapt2/flatten/XmlFlattener_test.cpp
+++ b/tools/aapt2/flatten/XmlFlattener_test.cpp
@@ -32,7 +32,7 @@
         mContext = test::ContextBuilder()
                 .setCompilationPackage(u"com.app.test")
                 .setNameManglerPolicy(NameManglerPolicy{ u"com.app.test" })
-                .setSymbolTable(test::StaticSymbolTableBuilder()
+                .addSymbolSource(test::StaticSymbolSourceBuilder()
                         .addSymbol(u"@android:attr/id", ResourceId(0x010100d0),
                                    test::AttributeBuilder().build())
                         .addSymbol(u"@com.app.test:id/id", ResourceId(0x7f020000))
diff --git a/tools/aapt2/integration-tests/Android.mk b/tools/aapt2/integration-tests/Android.mk
new file mode 100644
index 0000000..6361f9b
--- /dev/null
+++ b/tools/aapt2/integration-tests/Android.mk
@@ -0,0 +1,2 @@
+LOCAL_PATH := $(call my-dir)
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/tools/aapt2/integration-tests/AppOne/Android.mk b/tools/aapt2/integration-tests/AppOne/Android.mk
new file mode 100644
index 0000000..bc40a62
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/Android.mk
@@ -0,0 +1,28 @@
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_USE_AAPT2 := true
+LOCAL_PACKAGE_NAME := AaptTestAppOne
+LOCAL_MODULE_TAGS := tests
+LOCAL_SRC_FILES := $(call all-java-files-under,src)
+LOCAL_STATIC_ANDROID_LIBRARIES := \
+    AaptTestStaticLibOne \
+    AaptTestStaticLibTwo
+LOCAL_AAPT_FLAGS := --no-version-vectors
+include $(BUILD_PACKAGE)
diff --git a/tools/aapt2/integration-tests/AppOne/AndroidManifest.xml b/tools/aapt2/integration-tests/AppOne/AndroidManifest.xml
new file mode 100644
index 0000000..b6d8f2d
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/AndroidManifest.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<manifest package="com.android.aapt.app.one" />
diff --git a/tools/aapt2/data/res/drawable/icon.png b/tools/aapt2/integration-tests/AppOne/res/drawable/icon.png
similarity index 100%
rename from tools/aapt2/data/res/drawable/icon.png
rename to tools/aapt2/integration-tests/AppOne/res/drawable/icon.png
Binary files differ
diff --git a/tools/aapt2/integration-tests/AppOne/res/drawable/image.xml b/tools/aapt2/integration-tests/AppOne/res/drawable/image.xml
new file mode 100644
index 0000000..6132a75d
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/res/drawable/image.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<vector />
diff --git a/tools/aapt2/data/res/drawable/test.9.png b/tools/aapt2/integration-tests/AppOne/res/drawable/test.9.png
similarity index 100%
rename from tools/aapt2/data/res/drawable/test.9.png
rename to tools/aapt2/integration-tests/AppOne/res/drawable/test.9.png
Binary files differ
diff --git a/tools/aapt2/integration-tests/AppOne/res/layout-v21/main.xml b/tools/aapt2/integration-tests/AppOne/res/layout-v21/main.xml
new file mode 100644
index 0000000..9f5a4a8
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/res/layout-v21/main.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:support="http://schemas.android.com/apk/res/android.appcompat"
+    android:id="@+id/view"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+</LinearLayout>
diff --git a/tools/aapt2/integration-tests/AppOne/res/layout/main.xml b/tools/aapt2/integration-tests/AppOne/res/layout/main.xml
new file mode 100644
index 0000000..ab1a251
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/res/layout/main.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:support="http://schemas.android.com/apk/res/android.appcompat"
+    android:id="@+id/view"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <fragment class="android.test.sample.App$Inner" />
+
+    <variable name="user" type="com.android.User" />
+
+    <View xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:id="@+id/me"
+        android:layout_width="1dp"
+        android:onClick="doClick"
+        android:text="@{user.name}"
+        android:background="#ffffff"
+        android:layout_height="match_parent"
+        app:flags="complex|weak"
+        android:colorAccent="#ffffff"/>
+</LinearLayout>
diff --git a/tools/aapt2/data/res/raw/test.txt b/tools/aapt2/integration-tests/AppOne/res/raw/test.txt
similarity index 100%
rename from tools/aapt2/data/res/raw/test.txt
rename to tools/aapt2/integration-tests/AppOne/res/raw/test.txt
diff --git a/tools/aapt2/integration-tests/AppOne/res/values-v4/styles.xml b/tools/aapt2/integration-tests/AppOne/res/values-v4/styles.xml
new file mode 100644
index 0000000..d8c11e2
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/res/values-v4/styles.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <style name="App" parent="android:Theme.Material">
+        <item name="android:colorAccent">@color/accent</item>
+        <item name="android:text">Hey</item>
+    </style>
+</resources>
diff --git a/tools/aapt2/integration-tests/AppOne/res/values/colors.xml b/tools/aapt2/integration-tests/AppOne/res/values/colors.xml
new file mode 100644
index 0000000..4df5077
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/res/values/colors.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <color name="primary">#f44336</color>
+    <color name="primary_dark">#b71c1c</color>
+    <color name="accent">#fdd835</color>
+</resources>
diff --git a/tools/aapt2/integration-tests/AppOne/res/values/styles.xml b/tools/aapt2/integration-tests/AppOne/res/values/styles.xml
new file mode 100644
index 0000000..f05845c
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/res/values/styles.xml
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources xmlns:lib="http://schemas.android.com/apk/res/android.appcompat">
+    <style name="App">
+        <item name="android:background">@color/primary</item>
+        <item name="android:colorPrimary">@color/primary</item>
+        <item name="android:colorPrimaryDark">@color/primary_dark</item>
+        <item name="android:colorAccent">@color/accent</item>
+    </style>
+    <attr name="custom" format="reference" />
+    <style name="Pop">
+        <item name="custom">@android:drawable/btn_default</item>
+        <item name="android:focusable">true</item>
+    </style>
+    <string name="yo">@string/wow</string>
+
+    <declare-styleable name="View">
+        <attr name="custom" />
+        <attr name="decor">
+            <enum name="no-border" value="0"/>
+            <enum name="border" value="1"/>
+            <enum name="shadow" value="2"/>
+        </attr>
+    </declare-styleable>
+
+</resources>
diff --git a/tools/aapt2/integration-tests/AppOne/res/values/test.xml b/tools/aapt2/integration-tests/AppOne/res/values/test.xml
new file mode 100644
index 0000000..f4b7471
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/res/values/test.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!-- Reference the two static libraries -->
+    <string name="AppFooBar">@string/FooBar</string>
+    <string name="AppFoo">@string/Foo</string>
+
+    <string name="hooha"><font bgcolor="#ffffff">Hey guys!</font> <xliff:g>My</xliff:g> name is <b>Adam</b>. How <b><i>are</i></b> you?</string>
+    <public name="hooha" type="string" id="0x7f020001"/>
+    <string name="wow">@android:string/ok</string>
+    <public name="layout_width" type="attr" />
+    <attr name="layout_width" format="boolean" />
+    <attr name="flags">
+        <flag name="complex" value="1" />
+        <flag name="pub" value="2" />
+        <flag name="weak" value="4" />
+    </attr>
+</resources>
diff --git a/tools/aapt2/integration-tests/AppOne/src/com/android/aapt/app/one/AppOne.java b/tools/aapt2/integration-tests/AppOne/src/com/android/aapt/app/one/AppOne.java
new file mode 100644
index 0000000..472b35a
--- /dev/null
+++ b/tools/aapt2/integration-tests/AppOne/src/com/android/aapt/app/one/AppOne.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.aapt.app.one;
+
+public class AppOne {
+    // IDs from StaticLibOne
+    public static int FooId = com.android.aapt.staticlib.one.R.string.Foo;
+    public static int LayoutId = com.android.aapt.staticlib.one.R.layout.layout;
+
+    // IDs from StaticLibTwo
+    public static int FooBarId = com.android.aapt.staticlib.two.R.string.FooBar;
+}
+
diff --git a/tools/aapt2/integration-tests/StaticLibOne/Android.mk b/tools/aapt2/integration-tests/StaticLibOne/Android.mk
new file mode 100644
index 0000000..d59dc60
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibOne/Android.mk
@@ -0,0 +1,25 @@
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_USE_AAPT2 := true
+LOCAL_MODULE := AaptTestStaticLibOne
+LOCAL_MODULE_TAGS := tests
+LOCAL_SRC_FILES := $(call all-java-files-under,src)
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
+include $(BUILD_STATIC_JAVA_LIBRARY)
diff --git a/tools/aapt2/integration-tests/StaticLibOne/AndroidManifest.xml b/tools/aapt2/integration-tests/StaticLibOne/AndroidManifest.xml
new file mode 100644
index 0000000..705047e
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibOne/AndroidManifest.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<manifest package="com.android.aapt.staticlib.one" />
diff --git a/tools/aapt2/integration-tests/StaticLibOne/res/layout/layout.xml b/tools/aapt2/integration-tests/StaticLibOne/res/layout/layout.xml
new file mode 100644
index 0000000..683c91c
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibOne/res/layout/layout.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<View xmlns:android="http://schemas.android.com/apk/res/android"
+      android:text="@string/Foo" />
diff --git a/tools/aapt2/integration-tests/StaticLibOne/res/values/values.xml b/tools/aapt2/integration-tests/StaticLibOne/res/values/values.xml
new file mode 100644
index 0000000..2b24544
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibOne/res/values/values.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <attr name="StaticLibOne_attr" format="string" />
+
+    <string name="Foo">Foo</string>
+    <string name="Foo" product="tablet">Bar</string>
+</resources>
diff --git a/tools/aapt2/integration-tests/StaticLibOne/src/com/android/aapt/staticlib/one/StaticLibOne.java b/tools/aapt2/integration-tests/StaticLibOne/src/com/android/aapt/staticlib/one/StaticLibOne.java
new file mode 100644
index 0000000..cf48f67
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibOne/src/com/android/aapt/staticlib/one/StaticLibOne.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.aapt.staticlib.one;
+
+public class StaticLibOne {
+    // IDs from StaticLibOne
+    public static int FooId = com.android.aapt.staticlib.one.R.string.Foo;
+    public static int LayoutId = com.android.aapt.staticlib.one.R.layout.layout;
+}
diff --git a/tools/aapt2/integration-tests/StaticLibTwo/Android.mk b/tools/aapt2/integration-tests/StaticLibTwo/Android.mk
new file mode 100644
index 0000000..8b6eb41
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibTwo/Android.mk
@@ -0,0 +1,27 @@
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_USE_AAPT2 := true
+LOCAL_MODULE := AaptTestStaticLibTwo
+LOCAL_MODULE_TAGS := tests
+LOCAL_SRC_FILES := $(call all-java-files-under,src)
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
+LOCAL_SHARED_ANDROID_LIBRARIES := AaptTestStaticLibOne
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
diff --git a/tools/aapt2/integration-tests/StaticLibTwo/AndroidManifest.xml b/tools/aapt2/integration-tests/StaticLibTwo/AndroidManifest.xml
new file mode 100644
index 0000000..28f0699
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibTwo/AndroidManifest.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<manifest package="com.android.aapt.staticlib.two" />
diff --git a/tools/aapt2/integration-tests/StaticLibTwo/res/drawable/vector.xml b/tools/aapt2/integration-tests/StaticLibTwo/res/drawable/vector.xml
new file mode 100644
index 0000000..dd5979f
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibTwo/res/drawable/vector.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:pathData="1123"/>
diff --git a/tools/aapt2/integration-tests/StaticLibTwo/res/layout/layout_two.xml b/tools/aapt2/integration-tests/StaticLibTwo/res/layout/layout_two.xml
new file mode 100644
index 0000000..ba98307
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibTwo/res/layout/layout_two.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<View xmlns:custom="http://schemas.android.com/apk/res-auto"
+      custom:StaticLibOne_attr="@string/FooBar" />
diff --git a/tools/aapt2/integration-tests/StaticLibTwo/res/values/values.xml b/tools/aapt2/integration-tests/StaticLibTwo/res/values/values.xml
new file mode 100644
index 0000000..97bb2a5
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibTwo/res/values/values.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <string name="FooBar">@string/Foo</string>
+</resources>
diff --git a/tools/aapt2/integration-tests/StaticLibTwo/src/com/android/aapt/staticlib/two/StaticLibTwo.java b/tools/aapt2/integration-tests/StaticLibTwo/src/com/android/aapt/staticlib/two/StaticLibTwo.java
new file mode 100644
index 0000000..7110dcd
--- /dev/null
+++ b/tools/aapt2/integration-tests/StaticLibTwo/src/com/android/aapt/staticlib/two/StaticLibTwo.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.aapt.staticlib.two;
+
+public class StaticLibTwo {
+    // IDs from StaticLibOne
+    public static int FooId = com.android.aapt.staticlib.one.R.string.Foo;
+    public static int LayoutId = com.android.aapt.staticlib.one.R.layout.layout;
+
+    // IDs from StaticLibTwo
+    public static int FooBarId = com.android.aapt.staticlib.two.R.string.FooBar;
+}
diff --git a/tools/aapt2/io/ZipArchive.cpp b/tools/aapt2/io/ZipArchive.cpp
index 329dac9..b3e7a02 100644
--- a/tools/aapt2/io/ZipArchive.cpp
+++ b/tools/aapt2/io/ZipArchive.cpp
@@ -92,9 +92,8 @@
         return {};
     }
 
-    ZipString suffix(".flat");
     void* cookie = nullptr;
-    result = StartIteration(collection->mHandle, &cookie, nullptr, &suffix);
+    result = StartIteration(collection->mHandle, &cookie, nullptr, nullptr);
     if (result != 0) {
         if (outError) *outError = ErrorCodeString(result);
         return {};
diff --git a/tools/aapt2/java/ClassDefinitionWriter.h b/tools/aapt2/java/ClassDefinitionWriter.h
index 04e1274..cf92c9a 100644
--- a/tools/aapt2/java/ClassDefinitionWriter.h
+++ b/tools/aapt2/java/ClassDefinitionWriter.h
@@ -65,7 +65,7 @@
              << "String " << name << "=\"" << val << "\";\n";
     }
 
-    void addResourceMember(const StringPiece16& name, AnnotationProcessor* processor,
+    void addResourceMember(const StringPiece& name, AnnotationProcessor* processor,
                            const ResourceId id) {
         ensureClassDeclaration();
         if (processor) {
@@ -76,7 +76,7 @@
     }
 
     template <typename Iterator, typename FieldAccessorFunc>
-    void addArrayMember(const StringPiece16& name, AnnotationProcessor* processor,
+    void addArrayMember(const StringPiece& name, AnnotationProcessor* processor,
                         const Iterator begin, const Iterator end, FieldAccessorFunc f) {
         ensureClassDeclaration();
         if (processor) {
diff --git a/tools/aapt2/java/JavaClassGenerator.cpp b/tools/aapt2/java/JavaClassGenerator.cpp
index 6e340a2..1076ffe 100644
--- a/tools/aapt2/java/JavaClassGenerator.cpp
+++ b/tools/aapt2/java/JavaClassGenerator.cpp
@@ -68,16 +68,41 @@
  * Java symbols can not contain . or -, but those are valid in a resource name.
  * Replace those with '_'.
  */
-static std::u16string transform(const StringPiece16& symbol) {
-    std::u16string output = symbol.toString();
-    for (char16_t& c : output) {
-        if (c == u'.' || c == u'-') {
-            c = u'_';
+static std::string transform(const StringPiece16& symbol) {
+    std::string output = util::utf16ToUtf8(symbol);
+    for (char& c : output) {
+        if (c == '.' || c == '-') {
+            c = '_';
         }
     }
     return output;
 }
 
+/**
+ * Transforms an attribute in a styleable to the Java field name:
+ *
+ * <declare-styleable name="Foo">
+ *   <attr name="android:bar" />
+ *   <attr name="bar" />
+ * </declare-styleable>
+ *
+ * Foo_android_bar
+ * Foo_bar
+ */
+static std::string transformNestedAttr(const ResourceNameRef& attrName,
+                                       const std::string& styleableClassName,
+                                       const StringPiece16& packageNameToGenerate) {
+    std::string output = styleableClassName;
+
+    // We may reference IDs from other packages, so prefix the entry name with
+    // the package.
+    if (!attrName.package.empty() && packageNameToGenerate != attrName.package) {
+        output += "_" + transform(attrName.package);
+    }
+    output += "_" + transform(attrName.entry);
+    return output;
+}
+
 bool JavaClassGenerator::skipSymbol(SymbolState state) {
     switch (mOptions.types) {
     case JavaClassGeneratorOptions::SymbolTypes::kAll:
@@ -90,48 +115,91 @@
     return true;
 }
 
+struct StyleableAttr {
+    const Reference* attrRef;
+    std::string fieldName;
+};
+
+static bool lessStyleableAttr(const StyleableAttr& lhs, const StyleableAttr& rhs) {
+    const ResourceId lhsId = lhs.attrRef->id ? lhs.attrRef->id.value() : ResourceId(0);
+    const ResourceId rhsId = rhs.attrRef->id ? rhs.attrRef->id.value() : ResourceId(0);
+    if (lhsId < rhsId) {
+        return true;
+    } else if (lhsId > rhsId) {
+        return false;
+    } else {
+        return lhs.attrRef->name.value() < rhs.attrRef->name.value();
+    }
+}
+
 void JavaClassGenerator::writeStyleableEntryForClass(ClassDefinitionWriter* outClassDef,
                                                      AnnotationProcessor* processor,
                                                      const StringPiece16& packageNameToGenerate,
                                                      const std::u16string& entryName,
                                                      const Styleable* styleable) {
+    const std::string className = transform(entryName);
+
     // This must be sorted by resource ID.
-    std::vector<std::pair<ResourceId, ResourceNameRef>> sortedAttributes;
+    std::vector<StyleableAttr> sortedAttributes;
     sortedAttributes.reserve(styleable->entries.size());
     for (const auto& attr : styleable->entries) {
         // If we are not encoding final attributes, the styleable entry may have no ID
         // if we are building a static library.
         assert((!mOptions.useFinal || attr.id) && "no ID set for Styleable entry");
         assert(attr.name && "no name set for Styleable entry");
-        sortedAttributes.emplace_back(attr.id ? attr.id.value() : ResourceId(0), attr.name.value());
-    }
-    std::sort(sortedAttributes.begin(), sortedAttributes.end());
 
-    auto accessorFunc = [](const std::pair<ResourceId, ResourceNameRef>& a) -> ResourceId {
-        return a.first;
+        sortedAttributes.emplace_back(StyleableAttr{
+                &attr, transformNestedAttr(attr.name.value(), className, packageNameToGenerate) });
+    }
+    std::sort(sortedAttributes.begin(), sortedAttributes.end(), lessStyleableAttr);
+
+    const size_t attrCount = sortedAttributes.size();
+
+    if (attrCount > 0) {
+        // Build the comment string for the Styleable. It includes details about the
+        // child attributes.
+        std::stringstream styleableComment;
+        styleableComment << "Attributes that can be used with a " << className << ".\n";
+        styleableComment << "<table>\n"
+                "<colgroup align=\"left\" />\n"
+                "<colgroup align=\"left\">\n"
+                "<tr><th>Attribute</th><th>Description</th></tr>\n";
+        for (const auto& entry : sortedAttributes) {
+            const ResourceName& attrName = entry.attrRef->name.value();
+            styleableComment << "<tr><td><code>{@link #" << entry.fieldName << " "
+                    << attrName.package << ":" << attrName.entry
+                    << "}</code></td><td></td></tr>\n";
+        }
+        styleableComment << "</table>\n";
+        for (const auto& entry : sortedAttributes) {
+            styleableComment << "@see #" << entry.fieldName << "\n";
+        }
+        processor->appendComment(styleableComment.str());
+    }
+
+    auto accessorFunc = [](const StyleableAttr& a) -> ResourceId {
+        return a.attrRef->id ? a.attrRef->id.value() : ResourceId(0);
     };
 
     // First we emit the array containing the IDs of each attribute.
-    outClassDef->addArrayMember(transform(entryName), processor,
+    outClassDef->addArrayMember(className, processor,
                                 sortedAttributes.begin(),
                                 sortedAttributes.end(),
                                 accessorFunc);
 
     // Now we emit the indices into the array.
-    size_t attrCount = sortedAttributes.size();
     for (size_t i = 0; i < attrCount; i++) {
-        std::stringstream name;
-        name << transform(entryName);
+        const ResourceName& attrName = sortedAttributes[i].attrRef->name.value();
 
-        // We may reference IDs from other packages, so prefix the entry name with
-        // the package.
-        const ResourceNameRef& itemName = sortedAttributes[i].second;
-        if (!itemName.package.empty() && packageNameToGenerate != itemName.package) {
-            name << "_" << transform(itemName.package);
+        AnnotationProcessor attrProcessor;
+        std::stringstream doclavaComments;
+        doclavaComments << "@attr name ";
+        if (!attrName.package.empty()) {
+            doclavaComments << attrName.package << ":";
         }
-        name << "_" << transform(itemName.entry);
-
-        outClassDef->addIntMember(name.str(), nullptr, i);
+        doclavaComments << attrName.entry;
+        attrProcessor.appendComment(doclavaComments.str());
+        outClassDef->addIntMember(sortedAttributes[i].fieldName, &attrProcessor, i);
     }
 }
 
@@ -223,8 +291,10 @@
             continue;
         }
 
-        ResourceId id(package->id.value(), type->id.value(), entry->id.value());
-        assert(id.isValid());
+        ResourceId id;
+        if (package->id && type->id && entry->id) {
+            id = ResourceId(package->id.value(), type->id.value(), entry->id.value());
+        }
 
         std::u16string unmangledPackage;
         std::u16string unmangledName = entry->name;
diff --git a/tools/aapt2/java/JavaClassGenerator_test.cpp b/tools/aapt2/java/JavaClassGenerator_test.cpp
index e9e7881..63d38a8 100644
--- a/tools/aapt2/java/JavaClassGenerator_test.cpp
+++ b/tools/aapt2/java/JavaClassGenerator_test.cpp
@@ -227,7 +227,32 @@
 }
 
 TEST(JavaClassGeneratorTest, CommentsForStyleablesAndNestedAttributesArePresent) {
+    Attribute attr(false);
+    attr.setComment(StringPiece16(u"This is an attribute"));
 
+    Styleable styleable;
+    styleable.entries.push_back(Reference(test::parseNameOrDie(u"@android:attr/one")));
+    styleable.setComment(StringPiece16(u"This is a styleable"));
+
+    std::unique_ptr<ResourceTable> table = test::ResourceTableBuilder()
+            .setPackageId(u"android", 0x01)
+            .addValue(u"@android:attr/one", util::make_unique<Attribute>(attr))
+            .addValue(u"@android:styleable/Container",
+                      std::unique_ptr<Styleable>(styleable.clone(nullptr)))
+            .build();
+
+    JavaClassGeneratorOptions options;
+    options.useFinal = false;
+    JavaClassGenerator generator(table.get(), options);
+
+    std::stringstream out;
+    ASSERT_TRUE(generator.generate(u"android", &out));
+    std::string actual = out.str();
+
+    EXPECT_NE(std::string::npos, actual.find("@attr name android:one"));
+    EXPECT_NE(std::string::npos, actual.find("@attr description"));
+    EXPECT_NE(std::string::npos, actual.find(util::utf16ToUtf8(attr.getComment())));
+    EXPECT_NE(std::string::npos, actual.find(util::utf16ToUtf8(styleable.getComment())));
 }
 
 } // namespace aapt
diff --git a/tools/aapt2/link/Link.cpp b/tools/aapt2/link/Link.cpp
index d83f6def..5003d96 100644
--- a/tools/aapt2/link/Link.cpp
+++ b/tools/aapt2/link/Link.cpp
@@ -62,7 +62,9 @@
     std::set<std::u16string> extraJavaPackages;
     Maybe<std::string> generateProguardRulesPath;
     bool noAutoVersion = false;
+    bool noVersionVectors = false;
     bool staticLib = false;
+    bool noStaticLibPackages = false;
     bool generateNonFinalIds = false;
     bool outputToDirectory = false;
     bool autoAddOverlay = false;
@@ -74,37 +76,58 @@
     TableSplitterOptions tableSplitterOptions;
 };
 
-struct LinkContext : public IAaptContext {
-    StdErrDiagnostics mDiagnostics;
-    std::unique_ptr<NameMangler> mNameMangler;
-    std::u16string mCompilationPackage;
-    uint8_t mPackageId;
-    std::unique_ptr<ISymbolTable> mSymbols;
-    bool mVerbose = false;
+class LinkContext : public IAaptContext {
+public:
+    LinkContext() : mNameMangler({}) {
+    }
 
     IDiagnostics* getDiagnostics() override {
         return &mDiagnostics;
     }
 
     NameMangler* getNameMangler() override {
-        return mNameMangler.get();
+        return &mNameMangler;
     }
 
-    StringPiece16 getCompilationPackage() override {
+    void setNameManglerPolicy(const NameManglerPolicy& policy) {
+        mNameMangler = NameMangler(policy);
+    }
+
+    const std::u16string& getCompilationPackage() override {
         return mCompilationPackage;
     }
 
+    void setCompilationPackage(const StringPiece16& packageName) {
+        mCompilationPackage = packageName.toString();
+    }
+
     uint8_t getPackageId() override {
         return mPackageId;
     }
 
-    ISymbolTable* getExternalSymbols() override {
-        return mSymbols.get();
+    void setPackageId(uint8_t id) {
+        mPackageId = id;
+    }
+
+    SymbolTable* getExternalSymbols() override {
+        return &mSymbols;
     }
 
     bool verbose() override {
         return mVerbose;
     }
+
+    void setVerbose(bool val) {
+        mVerbose = val;
+    }
+
+private:
+    StdErrDiagnostics mDiagnostics;
+    NameMangler mNameMangler;
+    std::u16string mCompilationPackage;
+    uint8_t mPackageId = 0x0;
+    SymbolTable mSymbols;
+    bool mVerbose = false;
 };
 
 static bool copyFileToArchive(io::IFile* file, const std::string& outPath,
@@ -117,11 +140,19 @@
         return false;
     }
 
-    CompiledFileInputStream inputStream(data->data(), data->size());
-    if (!inputStream.CompiledFile()) {
-        context->getDiagnostics()->error(DiagMessage(file->getSource())
-                                         << "invalid compiled file header");
-        return false;
+    const uint8_t* buffer = reinterpret_cast<const uint8_t*>(data->data());
+    size_t bufferSize = data->size();
+
+    // If the file ends with .flat, we must strip off the CompiledFileHeader from it.
+    if (util::stringEndsWith<char>(file->getSource().path, ".flat")) {
+        CompiledFileInputStream inputStream(data->data(), data->size());
+        if (!inputStream.CompiledFile()) {
+            context->getDiagnostics()->error(DiagMessage(file->getSource())
+                                             << "invalid compiled file header");
+            return false;
+        }
+        buffer = reinterpret_cast<const uint8_t*>(inputStream.data());
+        bufferSize = inputStream.size();
     }
 
     if (context->verbose()) {
@@ -129,8 +160,7 @@
     }
 
     if (writer->startEntry(outPath, compressionFlags)) {
-        if (writer->writeEntry(reinterpret_cast<const uint8_t*>(inputStream.data()),
-                               inputStream.size())) {
+        if (writer->writeEntry(buffer, bufferSize)) {
             if (writer->finishEntry()) {
                 return true;
             }
@@ -156,7 +186,7 @@
         DiagMessage msg;
         msg << "writing " << path << " to archive";
         if (maxSdkLevel) {
-            msg << " maxSdkLevel=" << maxSdkLevel.value();
+            msg << " maxSdkLevel=" << maxSdkLevel.value() << " keepRawValues=" << keepRawValues;
         }
         context->getDiagnostics()->note(msg);
     }
@@ -248,6 +278,7 @@
 
 struct ResourceFileFlattenerOptions {
     bool noAutoVersion = false;
+    bool noVersionVectors = false;
     bool keepRawValues = false;
     bool doNotCompressAnything = false;
     std::vector<std::string> extensionsToNotCompress;
@@ -267,14 +298,13 @@
         io::IFile* fileToCopy;
         std::unique_ptr<xml::XmlResource> xmlToFlatten;
         std::string dstPath;
+        bool skipVersion = false;
     };
 
     uint32_t getCompressionFlags(const StringPiece& str);
 
-    std::unique_ptr<xml::XmlResource> linkAndVersionXmlFile(const ResourceEntry* entry,
-                                                            const ResourceFile& fileDesc,
-                                                            io::IFile* file,
-                                                            ResourceTable* table);
+    bool linkAndVersionXmlFile(const ResourceEntry* entry, const ResourceFile& fileDesc,
+                               io::IFile* file, ResourceTable* table, FileOperation* outFileOp);
 
     ResourceFileFlattenerOptions mOptions;
     IAaptContext* mContext;
@@ -294,11 +324,11 @@
     return ArchiveEntry::kCompress;
 }
 
-std::unique_ptr<xml::XmlResource> ResourceFileFlattener::linkAndVersionXmlFile(
-        const ResourceEntry* entry,
-        const ResourceFile& fileDesc,
-        io::IFile* file,
-        ResourceTable* table) {
+bool ResourceFileFlattener::linkAndVersionXmlFile(const ResourceEntry* entry,
+                                                  const ResourceFile& fileDesc,
+                                                  io::IFile* file,
+                                                  ResourceTable* table,
+                                                  FileOperation* outFileOp) {
     const StringPiece srcPath = file->getSource().path;
     if (mContext->verbose()) {
         mContext->getDiagnostics()->note(DiagMessage() << "linking " << srcPath);
@@ -307,51 +337,67 @@
     std::unique_ptr<io::IData> data = file->openAsData();
     if (!data) {
         mContext->getDiagnostics()->error(DiagMessage(file->getSource()) << "failed to open file");
-        return {};
+        return false;
     }
 
-    std::unique_ptr<xml::XmlResource> xmlRes;
     if (util::stringEndsWith<char>(srcPath, ".flat")) {
-        xmlRes = loadBinaryXmlSkipFileExport(file->getSource(), data->data(), data->size(),
-                                             mContext->getDiagnostics());
+        outFileOp->xmlToFlatten = loadBinaryXmlSkipFileExport(file->getSource(),
+                                                              data->data(), data->size(),
+                                                              mContext->getDiagnostics());
     } else {
-        xmlRes = xml::inflate(data->data(), data->size(), mContext->getDiagnostics(),
-                              file->getSource());
+        outFileOp->xmlToFlatten = xml::inflate(data->data(), data->size(),
+                                               mContext->getDiagnostics(),
+                                               file->getSource());
     }
 
-    if (!xmlRes) {
-        return {};
+    if (!outFileOp->xmlToFlatten) {
+        return false;
     }
 
     // Copy the the file description header.
-    xmlRes->file = fileDesc;
+    outFileOp->xmlToFlatten->file = fileDesc;
 
     XmlReferenceLinker xmlLinker;
-    if (!xmlLinker.consume(mContext, xmlRes.get())) {
-        return {};
+    if (!xmlLinker.consume(mContext, outFileOp->xmlToFlatten.get())) {
+        return false;
     }
 
-    if (!proguard::collectProguardRules(xmlRes->file.source, xmlRes.get(), mKeepSet)) {
-        return {};
+    if (!proguard::collectProguardRules(outFileOp->xmlToFlatten->file.source,
+                                        outFileOp->xmlToFlatten.get(), mKeepSet)) {
+        return false;
     }
 
     if (!mOptions.noAutoVersion) {
+        if (mOptions.noVersionVectors) {
+            // Skip this if it is a vector or animated-vector.
+            xml::Element* el = xml::findRootElement(outFileOp->xmlToFlatten.get());
+            if (el && el->namespaceUri.empty()) {
+                if (el->name == u"vector" || el->name == u"animated-vector") {
+                    // We are NOT going to version this file.
+                    outFileOp->skipVersion = true;
+                    return true;
+                }
+            }
+        }
+
         // Find the first SDK level used that is higher than this defined config and
         // not superseded by a lower or equal SDK level resource.
         for (int sdkLevel : xmlLinker.getSdkLevels()) {
-            if (sdkLevel > xmlRes->file.config.sdkVersion) {
-                if (!shouldGenerateVersionedResource(entry, xmlRes->file.config, sdkLevel)) {
+            if (sdkLevel > outFileOp->xmlToFlatten->file.config.sdkVersion) {
+                if (!shouldGenerateVersionedResource(entry, outFileOp->xmlToFlatten->file.config,
+                                                     sdkLevel)) {
                     // If we shouldn't generate a versioned resource, stop checking.
                     break;
                 }
 
-                ResourceFile versionedFileDesc = xmlRes->file;
-                versionedFileDesc.config.sdkVersion = sdkLevel;
+                ResourceFile versionedFileDesc = outFileOp->xmlToFlatten->file;
+                versionedFileDesc.config.sdkVersion = (uint16_t) sdkLevel;
 
                 if (mContext->verbose()) {
                     mContext->getDiagnostics()->note(DiagMessage(versionedFileDesc.source)
                                                      << "auto-versioning resource from config '"
-                                                     << xmlRes->file.config << "' -> '"
+                                                     << outFileOp->xmlToFlatten->file.config
+                                                     << "' -> '"
                                                      << versionedFileDesc.config << "'");
                 }
 
@@ -365,13 +411,13 @@
                                                                  file,
                                                                  mContext->getDiagnostics());
                 if (!added) {
-                    return {};
+                    return false;
                 }
                 break;
             }
         }
     }
-    return xmlRes;
+    return true;
 }
 
 /**
@@ -415,9 +461,7 @@
                         fileDesc.config = configValue->config;
                         fileDesc.name = ResourceName(pkg->name, type->type, entry->name);
                         fileDesc.source = fileRef->getSource();
-                        fileOp.xmlToFlatten = linkAndVersionXmlFile(entry.get(), fileDesc,
-                                                                    file, table);
-                        if (!fileOp.xmlToFlatten) {
+                        if (!linkAndVersionXmlFile(entry.get(), fileDesc, file, table, &fileOp)) {
                             error = true;
                             continue;
                         }
@@ -447,7 +491,7 @@
 
                 if (fileOp.xmlToFlatten) {
                     Maybe<size_t> maxSdkLevel;
-                    if (!mOptions.noAutoVersion) {
+                    if (!mOptions.noAutoVersion && !fileOp.skipVersion) {
                         maxSdkLevel = std::max<size_t>(config.sdkVersion, 1u);
                     }
 
@@ -474,39 +518,61 @@
 class LinkCommand {
 public:
     LinkCommand(LinkContext* context, const LinkOptions& options) :
-            mOptions(options), mContext(context), mFinalTable(), mFileCollection(nullptr) {
-        std::unique_ptr<io::FileCollection> fileCollection =
-                util::make_unique<io::FileCollection>();
-
-        // Get a pointer to the FileCollection for convenience, but it will be owned by the vector.
-        mFileCollection = fileCollection.get();
-
-        // Move it to the collection.
-        mCollections.push_back(std::move(fileCollection));
+            mOptions(options), mContext(context), mFinalTable(),
+            mFileCollection(util::make_unique<io::FileCollection>()) {
     }
 
     /**
      * Creates a SymbolTable that loads symbols from the various APKs and caches the
      * results for faster lookup.
      */
-    std::unique_ptr<ISymbolTable> createSymbolTableFromIncludePaths() {
-        AssetManagerSymbolTableBuilder builder;
+    bool loadSymbolsFromIncludePaths() {
+        std::unique_ptr<AssetManagerSymbolSource> assetSource =
+                util::make_unique<AssetManagerSymbolSource>();
         for (const std::string& path : mOptions.includePaths) {
             if (mContext->verbose()) {
                 mContext->getDiagnostics()->note(DiagMessage(path) << "loading include path");
             }
 
-            std::unique_ptr<android::AssetManager> assetManager =
-                    util::make_unique<android::AssetManager>();
-            int32_t cookie = 0;
-            if (!assetManager->addAssetPath(android::String8(path.data(), path.size()), &cookie)) {
+            // First try to load the file as a static lib.
+            std::string errorStr;
+            std::unique_ptr<ResourceTable> staticInclude = loadStaticLibrary(path, &errorStr);
+            if (staticInclude) {
+                if (!mOptions.staticLib) {
+                    // Can't include static libraries when not building a static library.
+                    mContext->getDiagnostics()->error(
+                            DiagMessage(path) << "can't include static library when building app");
+                    return false;
+                }
+
+                // If we are using --no-static-lib-packages, we need to rename the package of this
+                // table to our compilation package.
+                if (mOptions.noStaticLibPackages) {
+                    if (ResourceTablePackage* pkg = staticInclude->findPackageById(0x7f)) {
+                        pkg->name = mContext->getCompilationPackage();
+                    }
+                }
+
+                mContext->getExternalSymbols()->appendSource(
+                        util::make_unique<ResourceTableSymbolSource>(staticInclude.get()));
+
+                mStaticTableIncludes.push_back(std::move(staticInclude));
+
+            } else if (!errorStr.empty()) {
+                // We had an error with reading, so fail.
+                mContext->getDiagnostics()->error(DiagMessage(path) << errorStr);
+                return false;
+            }
+
+            if (!assetSource->addAssetPath(path)) {
                 mContext->getDiagnostics()->error(
                         DiagMessage(path) << "failed to load include path");
-                return {};
+                return false;
             }
-            builder.add(std::move(assetManager));
         }
-        return builder.build();
+
+        mContext->getExternalSymbols()->appendSource(std::move(assetSource));
+        return true;
     }
 
     Maybe<AppInfo> extractAppInfoFromManifest(xml::XmlResource* xmlRes) {
@@ -571,6 +637,35 @@
         return !error;
     }
 
+    /**
+     * Returns true if no IDs have been set, false otherwise.
+     */
+    bool verifyNoIdsSet() {
+        for (const auto& package : mFinalTable.packages) {
+            for (const auto& type : package->types) {
+                if (type->id) {
+                    mContext->getDiagnostics()->error(DiagMessage() << "type " << type->type
+                                                      << " has ID " << std::hex
+                                                      << (int) type->id.value()
+                                                      << std::dec << " assigned");
+                    return false;
+                }
+
+                for (const auto& entry : type->entries) {
+                    if (entry->id) {
+                        ResourceNameRef resName(package->name, type->type, entry->name);
+                        mContext->getDiagnostics()->error(DiagMessage() << "entry " << resName
+                                                          << " has ID " << std::hex
+                                                          << (int) entry->id.value()
+                                                          << std::dec << " assigned");
+                        return false;
+                    }
+                }
+            }
+        }
+        return true;
+    }
+
     std::unique_ptr<IArchiveWriter> makeArchiveWriter() {
         if (mOptions.outputToDirectory) {
             return createDirectoryArchiveWriter(mContext->getDiagnostics(), mOptions.outputPath);
@@ -599,6 +694,32 @@
         return false;
     }
 
+    bool flattenTableToPb(ResourceTable* table, IArchiveWriter* writer) {
+        // Create the file/zip entry.
+        if (!writer->startEntry("resources.arsc.flat", 0)) {
+            mContext->getDiagnostics()->error(DiagMessage() << "failed to open");
+            return false;
+        }
+
+        std::unique_ptr<pb::ResourceTable> pbTable = serializeTableToPb(table);
+
+        // Wrap our IArchiveWriter with an adaptor that implements the ZeroCopyOutputStream
+        // interface.
+        {
+            google::protobuf::io::CopyingOutputStreamAdaptor adaptor(writer);
+
+            if (!pbTable->SerializeToZeroCopyStream(&adaptor)) {
+                mContext->getDiagnostics()->error(DiagMessage() << "failed to write");
+                return false;
+            }
+        }
+
+        if (!writer->finishEntry()) {
+            mContext->getDiagnostics()->error(DiagMessage() << "failed to finish entry");
+            return false;
+        }
+        return true;
+    }
 
     bool writeJavaFile(ResourceTable* table, const StringPiece16& packageNameToGenerate,
                        const StringPiece16& outPackage, JavaClassGeneratorOptions javaOptions) {
@@ -674,18 +795,91 @@
         return true;
     }
 
-    bool mergeStaticLibrary(const std::string& input) {
-        // TODO(adamlesinski): Load resources from a static library APK and merge the table into
-        // TableMerger.
-        mContext->getDiagnostics()->warn(DiagMessage()
-                                        << "linking static libraries not supported yet: "
-                                        << input);
+    std::unique_ptr<ResourceTable> loadStaticLibrary(const std::string& input,
+                                                     std::string* outError) {
+        std::unique_ptr<io::ZipFileCollection> collection = io::ZipFileCollection::create(
+                input, outError);
+        if (!collection) {
+            return {};
+        }
+        return loadTablePbFromCollection(collection.get());
+    }
+
+    std::unique_ptr<ResourceTable> loadTablePbFromCollection(io::IFileCollection* collection) {
+        io::IFile* file = collection->findFile("resources.arsc.flat");
+        if (!file) {
+            return {};
+        }
+
+        std::unique_ptr<io::IData> data = file->openAsData();
+        return loadTableFromPb(file->getSource(), data->data(), data->size(),
+                               mContext->getDiagnostics());
+    }
+
+    bool mergeStaticLibrary(const std::string& input, bool override) {
+        if (mContext->verbose()) {
+            mContext->getDiagnostics()->note(DiagMessage() << "merging static library " << input);
+        }
+
+        std::string errorStr;
+        std::unique_ptr<io::ZipFileCollection> collection =
+                io::ZipFileCollection::create(input, &errorStr);
+        if (!collection) {
+            mContext->getDiagnostics()->error(DiagMessage(input) << errorStr);
+            return false;
+        }
+
+        std::unique_ptr<ResourceTable> table = loadTablePbFromCollection(collection.get());
+        if (!table) {
+            mContext->getDiagnostics()->error(DiagMessage(input) << "invalid static library");
+            return false;
+        }
+
+        ResourceTablePackage* pkg = table->findPackageById(0x7f);
+        if (!pkg) {
+            mContext->getDiagnostics()->error(DiagMessage(input)
+                                              << "static library has no package");
+            return false;
+        }
+
+        bool result;
+        if (mOptions.noStaticLibPackages) {
+            // Merge all resources as if they were in the compilation package. This is the old
+            // behaviour of aapt.
+
+            // Add the package to the set of --extra-packages so we emit an R.java for each
+            // library package.
+            if (!pkg->name.empty()) {
+                mOptions.extraJavaPackages.insert(pkg->name);
+            }
+
+            pkg->name = u"";
+            if (override) {
+                result = mTableMerger->mergeOverlay(Source(input), table.get(), collection.get());
+            } else {
+                result = mTableMerger->merge(Source(input), table.get(), collection.get());
+            }
+
+        } else {
+            // This is the proper way to merge libraries, where the package name is preserved
+            // and resource names are mangled.
+            result = mTableMerger->mergeAndMangle(Source(input), pkg->name, table.get(),
+                                                  collection.get());
+        }
+
+        if (!result) {
+            return false;
+        }
+
+        // Make sure to move the collection into the set of IFileCollections.
+        mCollections.push_back(std::move(collection));
         return true;
     }
 
     bool mergeResourceTable(io::IFile* file, bool override) {
         if (mContext->verbose()) {
-            mContext->getDiagnostics()->note(DiagMessage() << "linking " << file->getSource());
+            mContext->getDiagnostics()->note(DiagMessage() << "merging resource table "
+                                             << file->getSource());
         }
 
         std::unique_ptr<io::IData> data = file->openAsData();
@@ -711,13 +905,14 @@
         return result;
     }
 
-    bool mergeCompiledFile(io::IFile* file, std::unique_ptr<ResourceFile> fileDesc, bool overlay) {
+    bool mergeCompiledFile(io::IFile* file, ResourceFile* fileDesc, bool override) {
         if (mContext->verbose()) {
-            mContext->getDiagnostics()->note(DiagMessage() << "adding " << file->getSource());
+            mContext->getDiagnostics()->note(DiagMessage() << "merging compiled file "
+                                             << file->getSource());
         }
 
         bool result = false;
-        if (overlay) {
+        if (override) {
             result = mTableMerger->mergeFileOverlay(*fileDesc, file);
         } else {
             result = mTableMerger->mergeFile(*fileDesc, file);
@@ -730,7 +925,7 @@
         // Add the exports of this file to the table.
         for (SourcedResourceName& exportedSymbol : fileDesc->exportedSymbols) {
             if (exportedSymbol.name.package.empty()) {
-                exportedSymbol.name.package = mContext->getCompilationPackage().toString();
+                exportedSymbol.name.package = mContext->getCompilationPackage();
             }
 
             ResourceNameRef resName = exportedSymbol.name;
@@ -743,11 +938,9 @@
 
             std::unique_ptr<Id> id = util::make_unique<Id>();
             id->setSource(fileDesc->source.withLine(exportedSymbol.line));
-            bool result = mFinalTable.addResourceAllowMangled(resName,
-                                                              ConfigDescription::defaultConfig(),
-                                                              std::string(),
-                                                              std::move(id),
-                                                              mContext->getDiagnostics());
+            bool result = mFinalTable.addResourceAllowMangled(
+                    resName, ConfigDescription::defaultConfig(), std::string(), std::move(id),
+                    mContext->getDiagnostics());
             if (!result) {
                 return false;
             }
@@ -756,12 +949,21 @@
     }
 
     /**
-     * Creates an io::IFileCollection from the ZIP archive and processes the files within.
+     * Takes a path to load as a ZIP file and merges the files within into the master ResourceTable.
+     * If override is true, conflicting resources are allowed to override each other, in order of
+     * last seen.
+     *
+     * An io::IFileCollection is created from the ZIP file and added to the set of
+     * io::IFileCollections that are open.
      */
     bool mergeArchive(const std::string& input, bool override) {
+        if (mContext->verbose()) {
+            mContext->getDiagnostics()->note(DiagMessage() << "merging archive " << input);
+        }
+
         std::string errorStr;
-        std::unique_ptr<io::ZipFileCollection> collection = io::ZipFileCollection::create(
-                input, &errorStr);
+        std::unique_ptr<io::ZipFileCollection> collection =
+                io::ZipFileCollection::create(input, &errorStr);
         if (!collection) {
             mContext->getDiagnostics()->error(DiagMessage(input) << errorStr);
             return false;
@@ -769,7 +971,7 @@
 
         bool error = false;
         for (auto iter = collection->iterator(); iter->hasNext(); ) {
-            if (!processFile(iter->next(), override)) {
+            if (!mergeFile(iter->next(), override)) {
                 error = true;
             }
         }
@@ -779,22 +981,45 @@
         return !error;
     }
 
-    bool processFile(const std::string& path, bool override) {
+    /**
+     * Takes a path to load and merge into the master ResourceTable. If override is true,
+     * conflicting resources are allowed to override each other, in order of last seen.
+     *
+     * If the file path ends with .flata, .jar, .jack, or .zip the file is treated as ZIP archive
+     * and the files within are merged individually.
+     *
+     * Otherwise the files is processed on its own.
+     */
+    bool mergePath(const std::string& path, bool override) {
         if (util::stringEndsWith<char>(path, ".flata") ||
                 util::stringEndsWith<char>(path, ".jar") ||
                 util::stringEndsWith<char>(path, ".jack") ||
                 util::stringEndsWith<char>(path, ".zip")) {
             return mergeArchive(path, override);
+        } else if (util::stringEndsWith<char>(path, ".apk")) {
+            return mergeStaticLibrary(path, override);
         }
 
         io::IFile* file = mFileCollection->insertFile(path);
-        return processFile(file, override);
+        return mergeFile(file, override);
     }
 
-    bool processFile(io::IFile* file, bool override) {
+    /**
+     * Takes a file to load and merge into the master ResourceTable. If override is true,
+     * conflicting resources are allowed to override each other, in order of last seen.
+     *
+     * If the file ends with .arsc.flat, then it is loaded as a ResourceTable and merged into the
+     * master ResourceTable. If the file ends with .flat, then it is treated like a compiled file
+     * and the header data is read and merged into the final ResourceTable.
+     *
+     * All other file types are ignored. This is because these files could be coming from a zip,
+     * where we could have other files like classes.dex.
+     */
+    bool mergeFile(io::IFile* file, bool override) {
         const Source& src = file->getSource();
         if (util::stringEndsWith<char>(src.path, ".arsc.flat")) {
             return mergeResourceTable(file, override);
+
         } else if (util::stringEndsWith<char>(src.path, ".flat")){
             // Try opening the file and looking for an Export header.
             std::unique_ptr<io::IData> data = file->openAsData();
@@ -806,9 +1031,8 @@
             std::unique_ptr<ResourceFile> resourceFile = loadFileExportHeader(
                     src, data->data(), data->size(), mContext->getDiagnostics());
             if (resourceFile) {
-                return mergeCompiledFile(file, std::move(resourceFile), override);
+                return mergeCompiledFile(file, resourceFile.get(), override);
             }
-
             return false;
         }
 
@@ -826,32 +1050,30 @@
         }
 
         if (Maybe<AppInfo> maybeAppInfo = extractAppInfoFromManifest(manifestXml.get())) {
-            mContext->mCompilationPackage = maybeAppInfo.value().package;
+            mContext->setCompilationPackage(maybeAppInfo.value().package);
         } else {
             mContext->getDiagnostics()->error(DiagMessage(mOptions.manifestPath)
                                              << "no package specified in <manifest> tag");
             return 1;
         }
 
-        if (!util::isJavaPackageName(mContext->mCompilationPackage)) {
+        if (!util::isJavaPackageName(mContext->getCompilationPackage())) {
             mContext->getDiagnostics()->error(DiagMessage(mOptions.manifestPath)
                                              << "invalid package name '"
-                                             << mContext->mCompilationPackage
+                                             << mContext->getCompilationPackage()
                                              << "'");
             return 1;
         }
 
-        mContext->mNameMangler = util::make_unique<NameMangler>(
-                NameManglerPolicy{ mContext->mCompilationPackage });
+        mContext->setNameManglerPolicy(NameManglerPolicy{ mContext->getCompilationPackage() });
 
-        if (mContext->mCompilationPackage == u"android") {
-            mContext->mPackageId = 0x01;
+        if (mContext->getCompilationPackage() == u"android") {
+            mContext->setPackageId(0x01);
         } else {
-            mContext->mPackageId = 0x7f;
+            mContext->setPackageId(0x7f);
         }
 
-        mContext->mSymbols = createSymbolTableFromIncludePaths();
-        if (!mContext->mSymbols) {
+        if (!loadSymbolsFromIncludePaths()) {
             return 1;
         }
 
@@ -861,20 +1083,21 @@
 
         if (mContext->verbose()) {
             mContext->getDiagnostics()->note(
-                    DiagMessage() << "linking package '" << mContext->mCompilationPackage << "' "
-                                  << "with package ID " << std::hex << (int) mContext->mPackageId);
+                    DiagMessage() << "linking package '" << mContext->getCompilationPackage()
+                                  << "' with package ID " << std::hex
+                                  << (int) mContext->getPackageId());
         }
 
 
         for (const std::string& input : inputFiles) {
-            if (!processFile(input, false)) {
+            if (!mergePath(input, false)) {
                 mContext->getDiagnostics()->error(DiagMessage() << "failed parsing input");
                 return 1;
             }
         }
 
         for (const std::string& input : mOptions.overlayFiles) {
-            if (!processFile(input, true)) {
+            if (!mergePath(input, true)) {
                 mContext->getDiagnostics()->error(DiagMessage() << "failed parsing overlays");
                 return 1;
             }
@@ -893,20 +1116,28 @@
             }
         }
 
-        {
+        if (!mOptions.staticLib) {
+            // Assign IDs if we are building a regular app.
             IdAssigner idAssigner;
             if (!idAssigner.consume(mContext, &mFinalTable)) {
                 mContext->getDiagnostics()->error(DiagMessage() << "failed assigning IDs");
                 return 1;
             }
+        } else {
+            // Static libs are merged with other apps, and ID collisions are bad, so verify that
+            // no IDs have been set.
+            if (!verifyNoIdsSet()) {
+                return 1;
+            }
         }
 
-        mContext->mNameMangler = util::make_unique<NameMangler>(NameManglerPolicy{
-                mContext->mCompilationPackage, mTableMerger->getMergedPackages() });
-        mContext->mSymbols = JoinedSymbolTableBuilder()
-                .addSymbolTable(util::make_unique<SymbolTableWrapper>(&mFinalTable))
-                .addSymbolTable(std::move(mContext->mSymbols))
-                .build();
+        // Add the names to mangle based on our source merge earlier.
+        mContext->setNameManglerPolicy(NameManglerPolicy{
+                mContext->getCompilationPackage(), mTableMerger->getMergedPackages() });
+
+        // Add our table to the symbol table.
+        mContext->getExternalSymbols()->prependSource(
+                        util::make_unique<ResourceTableSymbolSource>(&mFinalTable));
 
         {
             ReferenceLinker linker;
@@ -915,20 +1146,32 @@
                 return 1;
             }
 
-            ProductFilter productFilter(mOptions.products);
-            if (!productFilter.consume(mContext, &mFinalTable)) {
-                mContext->getDiagnostics()->error(DiagMessage() << "failed stripping products");
-                return 1;
-            }
+            if (mOptions.staticLib) {
+                if (!mOptions.products.empty()) {
+                    mContext->getDiagnostics()->warn(
+                            DiagMessage() << "can't select products when building static library");
+                }
 
-            // TODO(adamlesinski): Actually pass in split constraints and handle splits at the file
-            // level.
-            TableSplitter tableSplitter({}, mOptions.tableSplitterOptions);
-            if (!tableSplitter.verifySplitConstraints(mContext)) {
-                return 1;
-            }
+                if (mOptions.tableSplitterOptions.configFilter != nullptr ||
+                        mOptions.tableSplitterOptions.preferredDensity) {
+                    mContext->getDiagnostics()->warn(
+                            DiagMessage() << "can't strip resources when building static library");
+                }
+            } else {
+                ProductFilter productFilter(mOptions.products);
+                if (!productFilter.consume(mContext, &mFinalTable)) {
+                    mContext->getDiagnostics()->error(DiagMessage() << "failed stripping products");
+                    return 1;
+                }
 
-            tableSplitter.splitTable(&mFinalTable);
+                // TODO(adamlesinski): Actually pass in split constraints and handle splits at the file
+                // level.
+                TableSplitter tableSplitter({}, mOptions.tableSplitterOptions);
+                if (!tableSplitter.verifySplitConstraints(mContext)) {
+                    return 1;
+                }
+                tableSplitter.splitTable(&mFinalTable);
+            }
         }
 
         proguard::KeepSet proguardKeepSet;
@@ -949,7 +1192,7 @@
             // AndroidManifest.xml has no resource name, but the CallSite is built from the name
             // (aka, which package the AndroidManifest.xml is coming from).
             // So we give it a package name so it can see local resources.
-            manifestXml->file.name.package = mContext->getCompilationPackage().toString();
+            manifestXml->file.name.package = mContext->getCompilationPackage();
 
             XmlReferenceLinker manifestLinker;
             if (manifestLinker.consume(mContext, manifestXml.get())) {
@@ -986,6 +1229,7 @@
         fileFlattenerOptions.doNotCompressAnything = mOptions.doNotCompressAnything;
         fileFlattenerOptions.extensionsToNotCompress = mOptions.extensionsToNotCompress;
         fileFlattenerOptions.noAutoVersion = mOptions.noAutoVersion;
+        fileFlattenerOptions.noVersionVectors = mOptions.noVersionVectors;
         ResourceFileFlattener fileFlattener(fileFlattenerOptions, mContext, &proguardKeepSet);
 
         if (!fileFlattener.flatten(&mFinalTable, archiveWriter.get())) {
@@ -1001,9 +1245,18 @@
             }
         }
 
-        if (!flattenTable(&mFinalTable, archiveWriter.get())) {
-            mContext->getDiagnostics()->error(DiagMessage() << "failed to write resources.arsc");
-            return 1;
+        if (mOptions.staticLib) {
+            if (!flattenTableToPb(&mFinalTable, archiveWriter.get())) {
+                mContext->getDiagnostics()->error(DiagMessage()
+                                                  << "failed to write resources.arsc.flat");
+                return 1;
+            }
+        } else {
+            if (!flattenTable(&mFinalTable, archiveWriter.get())) {
+                mContext->getDiagnostics()->error(DiagMessage()
+                                                  << "failed to write resources.arsc");
+                return 1;
+            }
         }
 
         if (mOptions.generateJavaClassPath) {
@@ -1065,14 +1318,17 @@
     LinkContext* mContext;
     ResourceTable mFinalTable;
 
-    ResourceTable mLocalFileTable;
     std::unique_ptr<TableMerger> mTableMerger;
 
     // A pointer to the FileCollection representing the filesystem (not archives).
-    io::FileCollection* mFileCollection;
+    std::unique_ptr<io::FileCollection> mFileCollection;
 
     // A vector of IFileCollections. This is mainly here to keep ownership of the collections.
     std::vector<std::unique_ptr<io::IFileCollection>> mCollections;
+
+    // A vector of ResourceTables. This is here to retain ownership, so that the SymbolTable
+    // can use these.
+    std::vector<std::unique_ptr<ResourceTable>> mStaticTableIncludes;
 };
 
 int link(const std::vector<StringPiece>& args) {
@@ -1089,6 +1345,7 @@
     Maybe<std::string> productList;
     bool legacyXFlag = false;
     bool requireLocalization = false;
+    bool verbose = false;
     Flags flags = Flags()
             .requiredFlag("-o", "Output path", &options.outputPath)
             .requiredFlag("--manifest", "Path to the Android manifest to build",
@@ -1104,6 +1361,10 @@
             .optionalSwitch("--no-auto-version",
                             "Disables automatic style and layout SDK versioning",
                             &options.noAutoVersion)
+            .optionalSwitch("--no-version-vectors",
+                            "Disables automatic versioning of vector drawables. Use this only\n"
+                            "when building with vector drawable support library",
+                            &options.noVersionVectors)
             .optionalSwitch("-x", "Legacy flag that specifies to use the package identifier 0x01",
                             &legacyXFlag)
             .optionalSwitch("-z", "Require localization of strings marked 'suggested'",
@@ -1127,6 +1388,9 @@
             .optionalFlag("--version-name", "Version name to inject into the AndroidManifest.xml "
                           "if none is present", &versionName)
             .optionalSwitch("--static-lib", "Generate a static Android library", &options.staticLib)
+            .optionalSwitch("--no-static-lib-packages",
+                            "Merge all library resources under the app's package",
+                            &options.noStaticLibPackages)
             .optionalSwitch("--non-final-ids", "Generates R.java without the final modifier.\n"
                             "This is implied when --static-lib is specified.",
                             &options.generateNonFinalIds)
@@ -1148,12 +1412,16 @@
                           &renameInstrumentationTargetPackage)
             .optionalFlagList("-0", "File extensions not to compress",
                               &options.extensionsToNotCompress)
-            .optionalSwitch("-v", "Enables verbose logging", &context.mVerbose);
+            .optionalSwitch("-v", "Enables verbose logging", &verbose);
 
     if (!flags.parse("aapt2 link", args, &std::cerr)) {
         return 1;
     }
 
+    if (verbose) {
+        context.setVerbose(verbose);
+    }
+
     if (privateSymbolsPackage) {
         options.privateSymbols = util::utf8ToUtf16(privateSymbolsPackage.value());
     }
@@ -1252,6 +1520,12 @@
         options.tableSplitterOptions.preferredDensity = preferredDensityConfig.density;
     }
 
+    // Turn off auto versioning for static-libs.
+    if (options.staticLib) {
+        options.noAutoVersion = true;
+        options.noVersionVectors = true;
+    }
+
     LinkCommand cmd(&context, options);
     return cmd.run(flags.getArgs());
 }
diff --git a/tools/aapt2/link/ManifestFixer_test.cpp b/tools/aapt2/link/ManifestFixer_test.cpp
index f40fbfb..18c47df 100644
--- a/tools/aapt2/link/ManifestFixer_test.cpp
+++ b/tools/aapt2/link/ManifestFixer_test.cpp
@@ -30,7 +30,7 @@
                 .setCompilationPackage(u"android")
                 .setPackageId(0x01)
                 .setNameManglerPolicy(NameManglerPolicy{ u"android" })
-                .setSymbolTable(test::StaticSymbolTableBuilder()
+                .addSymbolSource(test::StaticSymbolSourceBuilder()
                         .addSymbol(u"@android:attr/package", ResourceId(0x01010000),
                                    test::AttributeBuilder()
                                         .setTypeMask(android::ResTable_map::TYPE_STRING)
diff --git a/tools/aapt2/link/ReferenceLinker.cpp b/tools/aapt2/link/ReferenceLinker.cpp
index ef3fe4f..66eb0df 100644
--- a/tools/aapt2/link/ReferenceLinker.cpp
+++ b/tools/aapt2/link/ReferenceLinker.cpp
@@ -14,9 +14,8 @@
  * limitations under the License.
  */
 
-#include "ReferenceLinker.h"
-
 #include "Diagnostics.h"
+#include "ReferenceLinker.h"
 #include "ResourceTable.h"
 #include "ResourceUtils.h"
 #include "ResourceValues.h"
@@ -43,45 +42,10 @@
  * NOTE: All of the entries in the ResourceTable must be assigned IDs.
  */
 class ReferenceLinkerVisitor : public ValueVisitor {
-private:
-    IAaptContext* mContext;
-    ISymbolTable* mSymbols;
-    xml::IPackageDeclStack* mPackageDecls;
-    StringPool* mStringPool;
-    CallSite* mCallSite;
-    bool mError = false;
-
-    /**
-     * Transform a RawString value into a more specific, appropriate value, based on the
-     * Attribute. If a non RawString value is passed in, this is an identity transform.
-     */
-    std::unique_ptr<Item> parseValueWithAttribute(std::unique_ptr<Item> value,
-                                                  const Attribute* attr) {
-        if (RawString* rawString = valueCast<RawString>(value.get())) {
-            std::unique_ptr<Item> transformed =
-                    ResourceUtils::parseItemForAttribute(*rawString->value, attr);
-
-            // If we could not parse as any specific type, try a basic STRING.
-            if (!transformed && (attr->typeMask & android::ResTable_map::TYPE_STRING)) {
-                util::StringBuilder stringBuilder;
-                stringBuilder.append(*rawString->value);
-                if (stringBuilder) {
-                    transformed = util::make_unique<String>(
-                            mStringPool->makeRef(stringBuilder.str()));
-                }
-            }
-
-            if (transformed) {
-                return transformed;
-            }
-        };
-        return value;
-    }
-
 public:
     using ValueVisitor::visit;
 
-    ReferenceLinkerVisitor(IAaptContext* context, ISymbolTable* symbols, StringPool* stringPool,
+    ReferenceLinkerVisitor(IAaptContext* context, SymbolTable* symbols, StringPool* stringPool,
                            xml::IPackageDeclStack* decl,CallSite* callSite) :
             mContext(context), mSymbols(symbols), mPackageDecls(decl), mStringPool(stringPool),
             mCallSite(callSite) {
@@ -114,10 +78,11 @@
                                             &transformedReference);
 
             // Find the attribute in the symbol table and check if it is visible from this callsite.
-            const ISymbolTable::Symbol* symbol = ReferenceLinker::resolveAttributeCheckVisibility(
+            const SymbolTable::Symbol* symbol = ReferenceLinker::resolveAttributeCheckVisibility(
                     transformedReference, mContext->getNameMangler(), mSymbols, mCallSite, &errStr);
             if (symbol) {
                 // Assign our style key the correct ID.
+                // The ID may not exist.
                 entry.key.id = symbol->id;
 
                 // Try to convert the value to a more specific, typed value based on the
@@ -156,6 +121,41 @@
     bool hasError() {
         return mError;
     }
+
+private:
+    IAaptContext* mContext;
+    SymbolTable* mSymbols;
+    xml::IPackageDeclStack* mPackageDecls;
+    StringPool* mStringPool;
+    CallSite* mCallSite;
+    bool mError = false;
+
+    /**
+     * Transform a RawString value into a more specific, appropriate value, based on the
+     * Attribute. If a non RawString value is passed in, this is an identity transform.
+     */
+    std::unique_ptr<Item> parseValueWithAttribute(std::unique_ptr<Item> value,
+                                                  const Attribute* attr) {
+        if (RawString* rawString = valueCast<RawString>(value.get())) {
+            std::unique_ptr<Item> transformed =
+                    ResourceUtils::parseItemForAttribute(*rawString->value, attr);
+
+            // If we could not parse as any specific type, try a basic STRING.
+            if (!transformed && (attr->typeMask & android::ResTable_map::TYPE_STRING)) {
+                util::StringBuilder stringBuilder;
+                stringBuilder.append(*rawString->value);
+                if (stringBuilder) {
+                    transformed = util::make_unique<String>(
+                            mStringPool->makeRef(stringBuilder.str()));
+                }
+            }
+
+            if (transformed) {
+                return transformed;
+            }
+        };
+        return value;
+    }
 };
 
 } // namespace
@@ -164,13 +164,13 @@
  * The symbol is visible if it is public, or if the reference to it is requesting private access
  * or if the callsite comes from the same package.
  */
-bool ReferenceLinker::isSymbolVisible(const ISymbolTable::Symbol& symbol, const Reference& ref,
+bool ReferenceLinker::isSymbolVisible(const SymbolTable::Symbol& symbol, const Reference& ref,
                                       const CallSite& callSite) {
     if (!symbol.isPublic && !ref.privateReference) {
         if (ref.name) {
             return callSite.resource.package == ref.name.value().package;
-        } else if (ref.id) {
-            return ref.id.value().packageId() == symbol.id.packageId();
+        } else if (ref.id && symbol.id) {
+            return ref.id.value().packageId() == symbol.id.value().packageId();
         } else {
             return false;
         }
@@ -178,9 +178,9 @@
     return true;
 }
 
-const ISymbolTable::Symbol* ReferenceLinker::resolveSymbol(const Reference& reference,
-                                                           NameMangler* mangler,
-                                                           ISymbolTable* symbols) {
+const SymbolTable::Symbol* ReferenceLinker::resolveSymbol(const Reference& reference,
+                                                          NameMangler* mangler,
+                                                          SymbolTable* symbols) {
     if (reference.name) {
         Maybe<ResourceName> mangled = mangler->mangleName(reference.name.value());
         return symbols->findByName(mangled ? mangled.value() : reference.name.value());
@@ -191,10 +191,10 @@
     }
 }
 
-const ISymbolTable::Symbol* ReferenceLinker::resolveSymbolCheckVisibility(
-        const Reference& reference, NameMangler* nameMangler, ISymbolTable* symbols,
+const SymbolTable::Symbol* ReferenceLinker::resolveSymbolCheckVisibility(
+        const Reference& reference, NameMangler* nameMangler, SymbolTable* symbols,
         CallSite* callSite, std::string* outError) {
-    const ISymbolTable::Symbol* symbol = resolveSymbol(reference, nameMangler, symbols);
+    const SymbolTable::Symbol* symbol = resolveSymbol(reference, nameMangler, symbols);
     if (!symbol) {
         if (outError) *outError = "not found";
         return nullptr;
@@ -207,12 +207,12 @@
     return symbol;
 }
 
-const ISymbolTable::Symbol* ReferenceLinker::resolveAttributeCheckVisibility(
-        const Reference& reference, NameMangler* nameMangler, ISymbolTable* symbols,
+const SymbolTable::Symbol* ReferenceLinker::resolveAttributeCheckVisibility(
+        const Reference& reference, NameMangler* nameMangler, SymbolTable* symbols,
         CallSite* callSite, std::string* outError) {
-    const ISymbolTable::Symbol* symbol = resolveSymbolCheckVisibility(reference, nameMangler,
-                                                                      symbols, callSite,
-                                                                      outError);
+    const SymbolTable::Symbol* symbol = resolveSymbolCheckVisibility(reference, nameMangler,
+                                                                     symbols, callSite,
+                                                                     outError);
     if (!symbol) {
         return nullptr;
     }
@@ -226,10 +226,10 @@
 
 Maybe<xml::AaptAttribute> ReferenceLinker::compileXmlAttribute(const Reference& reference,
                                                                NameMangler* nameMangler,
-                                                               ISymbolTable* symbols,
+                                                               SymbolTable* symbols,
                                                                CallSite* callSite,
                                                                std::string* outError) {
-    const ISymbolTable::Symbol* symbol = resolveSymbol(reference, nameMangler, symbols);
+    const SymbolTable::Symbol* symbol = resolveSymbol(reference, nameMangler, symbols);
     if (!symbol) {
         return {};
     }
@@ -256,7 +256,7 @@
 }
 
 bool ReferenceLinker::linkReference(Reference* reference, IAaptContext* context,
-                                    ISymbolTable* symbols, xml::IPackageDeclStack* decls,
+                                    SymbolTable* symbols, xml::IPackageDeclStack* decls,
                                     CallSite* callSite) {
     assert(reference);
     assert(reference->name || reference->id);
@@ -266,9 +266,12 @@
                                     &transformedReference);
 
     std::string errStr;
-    const ISymbolTable::Symbol* s = resolveSymbolCheckVisibility(
+    const SymbolTable::Symbol* s = resolveSymbolCheckVisibility(
             transformedReference, context->getNameMangler(), symbols, callSite, &errStr);
     if (s) {
+        // The ID may not exist. This is fine because of the possibility of building against
+        // libraries without assigned IDs.
+        // Ex: Linking against own resources when building a static library.
         reference->id = s->id;
         return true;
     }
diff --git a/tools/aapt2/link/ReferenceLinker.h b/tools/aapt2/link/ReferenceLinker.h
index a0eb00c..7993aaf 100644
--- a/tools/aapt2/link/ReferenceLinker.h
+++ b/tools/aapt2/link/ReferenceLinker.h
@@ -38,36 +38,36 @@
     /**
      * Returns true if the symbol is visible by the reference and from the callsite.
      */
-    static bool isSymbolVisible(const ISymbolTable::Symbol& symbol, const Reference& ref,
+    static bool isSymbolVisible(const SymbolTable::Symbol& symbol, const Reference& ref,
                                 const CallSite& callSite);
 
     /**
      * Performs name mangling and looks up the resource in the symbol table. Returns nullptr
      * if the symbol was not found.
      */
-    static const ISymbolTable::Symbol* resolveSymbol(const Reference& reference,
-                                                     NameMangler* mangler, ISymbolTable* symbols);
+    static const SymbolTable::Symbol* resolveSymbol(const Reference& reference,
+                                                    NameMangler* mangler, SymbolTable* symbols);
 
     /**
      * Performs name mangling and looks up the resource in the symbol table. If the symbol is
      * not visible by the reference at the callsite, nullptr is returned. outError holds
      * the error message.
      */
-    static const ISymbolTable::Symbol* resolveSymbolCheckVisibility(const Reference& reference,
-                                                                    NameMangler* nameMangler,
-                                                                    ISymbolTable* symbols,
-                                                                    CallSite* callSite,
-                                                                    std::string* outError);
+    static const SymbolTable::Symbol* resolveSymbolCheckVisibility(const Reference& reference,
+                                                                   NameMangler* nameMangler,
+                                                                   SymbolTable* symbols,
+                                                                   CallSite* callSite,
+                                                                   std::string* outError);
 
     /**
      * Same as resolveSymbolCheckVisibility(), but also makes sure the symbol is an attribute.
      * That is, the return value will have a non-null value for ISymbolTable::Symbol::attribute.
      */
-    static const ISymbolTable::Symbol* resolveAttributeCheckVisibility(const Reference& reference,
-                                                                       NameMangler* nameMangler,
-                                                                       ISymbolTable* symbols,
-                                                                       CallSite* callSite,
-                                                                       std::string* outError);
+    static const SymbolTable::Symbol* resolveAttributeCheckVisibility(const Reference& reference,
+                                                                      NameMangler* nameMangler,
+                                                                      SymbolTable* symbols,
+                                                                      CallSite* callSite,
+                                                                      std::string* outError);
 
     /**
      * Resolves the attribute reference and returns an xml::AaptAttribute if successful.
@@ -75,7 +75,7 @@
      */
     static Maybe<xml::AaptAttribute> compileXmlAttribute(const Reference& reference,
                                                          NameMangler* nameMangler,
-                                                         ISymbolTable* symbols,
+                                                         SymbolTable* symbols,
                                                          CallSite* callSite,
                                                          std::string* outError);
 
@@ -92,7 +92,7 @@
      * to the reference at the callsite, the reference is updated with an ID.
      * Returns false on failure, and an error message is logged to the IDiagnostics in the context.
      */
-    static bool linkReference(Reference* reference, IAaptContext* context, ISymbolTable* symbols,
+    static bool linkReference(Reference* reference, IAaptContext* context, SymbolTable* symbols,
                               xml::IPackageDeclStack* decls, CallSite* callSite);
 
     /**
diff --git a/tools/aapt2/link/ReferenceLinker_test.cpp b/tools/aapt2/link/ReferenceLinker_test.cpp
index 8d324fe..76b2309 100644
--- a/tools/aapt2/link/ReferenceLinker_test.cpp
+++ b/tools/aapt2/link/ReferenceLinker_test.cpp
@@ -15,12 +15,9 @@
  */
 
 #include "link/ReferenceLinker.h"
-#include "process/SymbolTable.h"
+#include "test/Test.h"
 
-#include "test/Builders.h"
-#include "test/Context.h"
-
-#include <gtest/gtest.h>
+using android::ResTable_map;
 
 namespace aapt {
 
@@ -41,12 +38,10 @@
             .setCompilationPackage(u"com.app.test")
             .setPackageId(0x7f)
             .setNameManglerPolicy(NameManglerPolicy{ u"com.app.test" })
-            .setSymbolTable(JoinedSymbolTableBuilder()
-                            .addSymbolTable(util::make_unique<SymbolTableWrapper>(table.get()))
-                            .addSymbolTable(test::StaticSymbolTableBuilder()
-                                    .addPublicSymbol(u"@android:string/ok", ResourceId(0x01040034))
-                                    .build())
-                            .build())
+            .addSymbolSource(util::make_unique<ResourceTableSymbolSource>(table.get()))
+            .addSymbolSource(test::StaticSymbolSourceBuilder()
+                                     .addPublicSymbol(u"@android:string/ok", ResourceId(0x01040034))
+                                     .build())
             .build();
 
     ReferenceLinker linker;
@@ -91,19 +86,20 @@
             .setCompilationPackage(u"com.app.test")
             .setPackageId(0x7f)
             .setNameManglerPolicy(NameManglerPolicy{ u"com.app.test" })
-            .setSymbolTable(test::StaticSymbolTableBuilder()
-                    .addPublicSymbol(u"@android:style/Theme.Material", ResourceId(0x01060000))
-                    .addPublicSymbol(u"@android:attr/foo", ResourceId(0x01010001),
-                               test::AttributeBuilder()
-                                    .setTypeMask(android::ResTable_map::TYPE_COLOR)
-                                    .build())
-                    .addPublicSymbol(u"@android:attr/bar", ResourceId(0x01010002),
-                               test::AttributeBuilder()
-                                    .setTypeMask(android::ResTable_map::TYPE_FLAGS)
-                                    .addItem(u"one", 0x01)
-                                    .addItem(u"two", 0x02)
-                                    .build())
-                    .build())
+            .addSymbolSource(test::StaticSymbolSourceBuilder()
+                                     .addPublicSymbol(u"@android:style/Theme.Material",
+                                                      ResourceId(0x01060000))
+                                     .addPublicSymbol(u"@android:attr/foo", ResourceId(0x01010001),
+                                                      test::AttributeBuilder()
+                                                              .setTypeMask(ResTable_map::TYPE_COLOR)
+                                                              .build())
+                                     .addPublicSymbol(u"@android:attr/bar", ResourceId(0x01010002),
+                                                      test::AttributeBuilder()
+                                                              .setTypeMask(ResTable_map::TYPE_FLAGS)
+                                                              .addItem(u"one", 0x01)
+                                                              .addItem(u"two", 0x02)
+                                                              .build())
+                                     .build())
             .build();
 
     ReferenceLinker linker;
@@ -131,11 +127,13 @@
             .setCompilationPackage(u"com.app.test")
             .setPackageId(0x7f)
             .setNameManglerPolicy(NameManglerPolicy{ u"com.app.test", { u"com.android.support" } })
-            .setSymbolTable(test::StaticSymbolTableBuilder()
-                    .addPublicSymbol(u"@com.app.test:attr/com.android.support$foo",
-                               ResourceId(0x7f010000), test::AttributeBuilder()
-                                        .setTypeMask(android::ResTable_map::TYPE_COLOR).build())
-                    .build())
+            .addSymbolSource(test::StaticSymbolSourceBuilder()
+                                     .addPublicSymbol(u"@com.app.test:attr/com.android.support$foo",
+                                                      ResourceId(0x7f010000),
+                                                      test::AttributeBuilder()
+                                                              .setTypeMask(ResTable_map::TYPE_COLOR)
+                                                              .build())
+                                     .build())
             .build();
 
     std::unique_ptr<ResourceTable> table = test::ResourceTableBuilder()
@@ -167,12 +165,10 @@
             .setCompilationPackage(u"com.app.test")
             .setPackageId(0x7f)
             .setNameManglerPolicy(NameManglerPolicy{ u"com.app.test" })
-            .setSymbolTable(JoinedSymbolTableBuilder()
-                            .addSymbolTable(util::make_unique<SymbolTableWrapper>(table.get()))
-                            .addSymbolTable(test::StaticSymbolTableBuilder()
-                                    .addSymbol(u"@android:string/hidden", ResourceId(0x01040034))
-                                    .build())
-                            .build())
+            .addSymbolSource(util::make_unique<ResourceTableSymbolSource>(table.get()))
+            .addSymbolSource(test::StaticSymbolSourceBuilder()
+                                     .addSymbol(u"@android:string/hidden", ResourceId(0x01040034))
+                                     .build())
             .build();
 
     ReferenceLinker linker;
@@ -190,13 +186,12 @@
             .setCompilationPackage(u"com.app.test")
             .setPackageId(0x7f)
             .setNameManglerPolicy(NameManglerPolicy{ u"com.app.test", { u"com.app.lib" } })
-            .setSymbolTable(JoinedSymbolTableBuilder()
-                            .addSymbolTable(util::make_unique<SymbolTableWrapper>(table.get()))
-                            .addSymbolTable(test::StaticSymbolTableBuilder()
-                                    .addSymbol(u"@com.app.test:string/com.app.lib$hidden",
-                                               ResourceId(0x7f040034))
-                                    .build())
-                            .build())
+            .addSymbolSource(util::make_unique<ResourceTableSymbolSource>(table.get()))
+            .addSymbolSource(test::StaticSymbolSourceBuilder()
+                                     .addSymbol(u"@com.app.test:string/com.app.lib$hidden",
+                                                ResourceId(0x7f040034))
+                                     .build())
+
             .build();
 
     ReferenceLinker linker;
@@ -215,15 +210,14 @@
             .setCompilationPackage(u"com.app.test")
             .setPackageId(0x7f)
             .setNameManglerPolicy(NameManglerPolicy{ u"com.app.test" })
-            .setSymbolTable(JoinedSymbolTableBuilder()
-                            .addSymbolTable(util::make_unique<SymbolTableWrapper>(table.get()))
-                            .addSymbolTable(test::StaticSymbolTableBuilder()
-                                    .addSymbol(u"@android:attr/hidden", ResourceId(0x01010001),
-                                               test::AttributeBuilder()
-                                                    .setTypeMask(android::ResTable_map::TYPE_COLOR)
-                                                    .build())
-                                    .build())
-                            .build())
+            .addSymbolSource(util::make_unique<ResourceTableSymbolSource>(table.get()))
+            .addSymbolSource(test::StaticSymbolSourceBuilder()
+                                     .addSymbol(u"@android:attr/hidden", ResourceId(0x01010001),
+                                                test::AttributeBuilder()
+                                                        .setTypeMask(
+                                                                android::ResTable_map::TYPE_COLOR)
+                                                        .build())
+                                     .build())
             .build();
 
     ReferenceLinker linker;
diff --git a/tools/aapt2/link/TableMerger.cpp b/tools/aapt2/link/TableMerger.cpp
index 5f11745..7471e15 100644
--- a/tools/aapt2/link/TableMerger.cpp
+++ b/tools/aapt2/link/TableMerger.cpp
@@ -34,10 +34,21 @@
     assert(mMasterPackage && "package name or ID already taken");
 }
 
+bool TableMerger::merge(const Source& src, ResourceTable* table,
+                        io::IFileCollection* collection) {
+    return mergeImpl(src, table, collection, false /* overlay */, true /* allow new */);
+}
+
+bool TableMerger::mergeOverlay(const Source& src, ResourceTable* table,
+                               io::IFileCollection* collection) {
+    return mergeImpl(src, table, collection, true /* overlay */, mOptions.autoAddOverlay);
+}
+
 /**
  * This will merge packages with the same package name (or no package name).
  */
 bool TableMerger::mergeImpl(const Source& src, ResourceTable* table,
+                            io::IFileCollection* collection,
                             bool overlay, bool allowNew) {
     const uint8_t desiredPackageId = mContext->getPackageId();
 
@@ -51,26 +62,36 @@
         }
 
         if (package->name.empty() || mContext->getCompilationPackage() == package->name) {
+            FileMergeCallback callback;
+            if (collection) {
+                callback = [&](const ResourceNameRef& name, const ConfigDescription& config,
+                               FileReference* newFile, FileReference* oldFile) -> bool {
+                    // The old file's path points inside the APK, so we can use it as is.
+                    io::IFile* f = collection->findFile(util::utf16ToUtf8(*oldFile->path));
+                    if (!f) {
+                        mContext->getDiagnostics()->error(DiagMessage(src) << "file '"
+                                                          << *oldFile->path
+                                                          << "' not found");
+                        return false;
+                    }
+
+                    newFile->file = f;
+                    return true;
+                };
+            }
+
             // Merge here. Once the entries are merged and mangled, any references to
             // them are still valid. This is because un-mangled references are
             // mangled, then looked up at resolution time.
             // Also, when linking, we convert references with no package name to use
             // the compilation package name.
             error |= !doMerge(src, table, package.get(),
-                              false /* mangle */, overlay, allowNew, {});
+                              false /* mangle */, overlay, allowNew, callback);
         }
     }
     return !error;
 }
 
-bool TableMerger::merge(const Source& src, ResourceTable* table) {
-    return mergeImpl(src, table, false /* overlay */, true /* allow new */);
-}
-
-bool TableMerger::mergeOverlay(const Source& src, ResourceTable* table) {
-    return mergeImpl(src, table, true /* overlay */, mOptions.autoAddOverlay);
-}
-
 /**
  * This will merge and mangle resources from a static library.
  */
diff --git a/tools/aapt2/link/TableMerger.h b/tools/aapt2/link/TableMerger.h
index b3c22dd..80c2a5e 100644
--- a/tools/aapt2/link/TableMerger.h
+++ b/tools/aapt2/link/TableMerger.h
@@ -65,13 +65,17 @@
 
     /**
      * Merges resources from the same or empty package. This is for local sources.
+     * An io::IFileCollection is optional and used to find the referenced Files and process them.
      */
-    bool merge(const Source& src, ResourceTable* table);
+    bool merge(const Source& src, ResourceTable* table,
+               io::IFileCollection* collection = nullptr);
 
     /**
      * Merges resources from an overlay ResourceTable.
+     * An io::IFileCollection is optional and used to find the referenced Files and process them.
      */
-    bool mergeOverlay(const Source& src, ResourceTable* table);
+    bool mergeOverlay(const Source& src, ResourceTable* table,
+                      io::IFileCollection* collection = nullptr);
 
     /**
      * Merges resources from the given package, mangling the name. This is for static libraries.
@@ -104,7 +108,7 @@
 
     bool mergeFileImpl(const ResourceFile& fileDesc, io::IFile* file, bool overlay);
 
-    bool mergeImpl(const Source& src, ResourceTable* srcTable,
+    bool mergeImpl(const Source& src, ResourceTable* srcTable, io::IFileCollection* collection,
                    bool overlay, bool allowNew);
 
     bool doMerge(const Source& src, ResourceTable* srcTable, ResourceTablePackage* srcPackage,
diff --git a/tools/aapt2/link/XmlReferenceLinker.cpp b/tools/aapt2/link/XmlReferenceLinker.cpp
index a26d763..568bc74 100644
--- a/tools/aapt2/link/XmlReferenceLinker.cpp
+++ b/tools/aapt2/link/XmlReferenceLinker.cpp
@@ -34,17 +34,10 @@
  * as needed.
  */
 class ReferenceVisitor : public ValueVisitor {
-private:
-    IAaptContext* mContext;
-    ISymbolTable* mSymbols;
-    xml::IPackageDeclStack* mDecls;
-    CallSite* mCallSite;
-    bool mError;
-
 public:
     using ValueVisitor::visit;
 
-    ReferenceVisitor(IAaptContext* context, ISymbolTable* symbols, xml::IPackageDeclStack* decls,
+    ReferenceVisitor(IAaptContext* context, SymbolTable* symbols, xml::IPackageDeclStack* decls,
                      CallSite* callSite) :
              mContext(context), mSymbols(symbols), mDecls(decls), mCallSite(callSite),
              mError(false) {
@@ -59,25 +52,23 @@
     bool hasError() const {
         return mError;
     }
+
+private:
+    IAaptContext* mContext;
+    SymbolTable* mSymbols;
+    xml::IPackageDeclStack* mDecls;
+    CallSite* mCallSite;
+    bool mError;
 };
 
 /**
  * Visits each xml Element and compiles the attributes within.
  */
 class XmlVisitor : public xml::PackageAwareVisitor {
-private:
-    IAaptContext* mContext;
-    ISymbolTable* mSymbols;
-    Source mSource;
-    std::set<int>* mSdkLevelsFound;
-    CallSite* mCallSite;
-    ReferenceVisitor mReferenceVisitor;
-    bool mError = false;
-
 public:
     using xml::PackageAwareVisitor::visit;
 
-    XmlVisitor(IAaptContext* context, ISymbolTable* symbols, const Source& source,
+    XmlVisitor(IAaptContext* context, SymbolTable* symbols, const Source& source,
                std::set<int>* sdkLevelsFound, CallSite* callSite) :
             mContext(context), mSymbols(symbols), mSource(source), mSdkLevelsFound(sdkLevelsFound),
             mCallSite(callSite), mReferenceVisitor(context, symbols, this, callSite) {
@@ -105,10 +96,13 @@
 
                 // Convert the string value into a compiled Value if this is a valid attribute.
                 if (attr.compiledAttribute) {
-                    // Record all SDK levels from which the attributes were defined.
-                    const int sdkLevel = findAttributeSdkLevel(attr.compiledAttribute.value().id);
-                    if (sdkLevel > 1) {
-                        mSdkLevelsFound->insert(sdkLevel);
+                    if (attr.compiledAttribute.value().id) {
+                        // Record all SDK levels from which the attributes were defined.
+                        const size_t sdkLevel = findAttributeSdkLevel(
+                                attr.compiledAttribute.value().id.value());
+                        if (sdkLevel > 1) {
+                            mSdkLevelsFound->insert(sdkLevel);
+                        }
                     }
 
                     const Attribute* attribute = &attr.compiledAttribute.value().attribute;
@@ -124,6 +118,7 @@
                                                     << *attribute);
                         mError = true;
                     }
+
                 } else {
                     mContext->getDiagnostics()->error(DiagMessage(source)
                                                       << "attribute '" << package << ":"
@@ -150,6 +145,15 @@
     bool hasError() {
         return mError || mReferenceVisitor.hasError();
     }
+
+private:
+    IAaptContext* mContext;
+    SymbolTable* mSymbols;
+    Source mSource;
+    std::set<int>* mSdkLevelsFound;
+    CallSite* mCallSite;
+    ReferenceVisitor mReferenceVisitor;
+    bool mError = false;
 };
 
 } // namespace
diff --git a/tools/aapt2/link/XmlReferenceLinker_test.cpp b/tools/aapt2/link/XmlReferenceLinker_test.cpp
index 3bfaf91..af9098b 100644
--- a/tools/aapt2/link/XmlReferenceLinker_test.cpp
+++ b/tools/aapt2/link/XmlReferenceLinker_test.cpp
@@ -14,12 +14,9 @@
  * limitations under the License.
  */
 
+#include <test/Context.h>
 #include "link/Linkers.h"
-
-#include "test/Builders.h"
-#include "test/Context.h"
-
-#include <gtest/gtest.h>
+#include "test/Test.h"
 
 namespace aapt {
 
@@ -30,7 +27,7 @@
                 .setCompilationPackage(u"com.app.test")
                 .setNameManglerPolicy(
                         NameManglerPolicy{ u"com.app.test", { u"com.android.support" } })
-                .setSymbolTable(test::StaticSymbolTableBuilder()
+                .addSymbolSource(test::StaticSymbolSourceBuilder()
                         .addPublicSymbol(u"@android:attr/layout_width", ResourceId(0x01010000),
                                    test::AttributeBuilder()
                                         .setTypeMask(android::ResTable_map::TYPE_ENUM |
@@ -92,14 +89,16 @@
                                                     u"layout_width");
     ASSERT_NE(xmlAttr, nullptr);
     AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute);
-    EXPECT_EQ(xmlAttr->compiledAttribute.value().id, ResourceId(0x01010000));
+    AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute.value().id);
+    EXPECT_EQ(xmlAttr->compiledAttribute.value().id.value(), ResourceId(0x01010000));
     ASSERT_NE(xmlAttr->compiledValue, nullptr);
     ASSERT_NE(valueCast<BinaryPrimitive>(xmlAttr->compiledValue.get()), nullptr);
 
     xmlAttr = viewEl->findAttribute(u"http://schemas.android.com/apk/res/android", u"background");
     ASSERT_NE(xmlAttr, nullptr);
     AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute);
-    EXPECT_EQ(xmlAttr->compiledAttribute.value().id, ResourceId(0x01010001));
+    AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute.value().id);
+    EXPECT_EQ(xmlAttr->compiledAttribute.value().id.value(), ResourceId(0x01010001));
     ASSERT_NE(xmlAttr->compiledValue, nullptr);
     Reference* ref = valueCast<Reference>(xmlAttr->compiledValue.get());
     ASSERT_NE(ref, nullptr);
@@ -163,7 +162,8 @@
             u"http://schemas.android.com/apk/res/com.android.support", u"colorAccent");
     ASSERT_NE(xmlAttr, nullptr);
     AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute);
-    EXPECT_EQ(xmlAttr->compiledAttribute.value().id, ResourceId(0x7f010001));
+    AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute.value().id);
+    EXPECT_EQ(xmlAttr->compiledAttribute.value().id.value(), ResourceId(0x7f010001));
     ASSERT_NE(valueCast<BinaryPrimitive>(xmlAttr->compiledValue.get()), nullptr);
 }
 
@@ -182,7 +182,8 @@
                                                     u"colorAccent");
     ASSERT_NE(xmlAttr, nullptr);
     AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute);
-    EXPECT_EQ(xmlAttr->compiledAttribute.value().id, ResourceId(0x7f010000));
+    AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute.value().id);
+    EXPECT_EQ(xmlAttr->compiledAttribute.value().id.value(), ResourceId(0x7f010000));
     Reference* ref = valueCast<Reference>(xmlAttr->compiledValue.get());
     ASSERT_NE(ref, nullptr);
     AAPT_ASSERT_TRUE(ref->name);
@@ -209,7 +210,8 @@
                                                     u"attr");
     ASSERT_NE(xmlAttr, nullptr);
     AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute);
-    EXPECT_EQ(xmlAttr->compiledAttribute.value().id, ResourceId(0x01010002));
+    AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute.value().id);
+    EXPECT_EQ(xmlAttr->compiledAttribute.value().id.value(), ResourceId(0x01010002));
     Reference* ref = valueCast<Reference>(xmlAttr->compiledValue.get());
     ASSERT_NE(ref, nullptr);
     AAPT_ASSERT_TRUE(ref->id);
@@ -223,7 +225,8 @@
     xmlAttr = viewEl->findAttribute(u"http://schemas.android.com/apk/res/com.app.test", u"attr");
     ASSERT_NE(xmlAttr, nullptr);
     AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute);
-    EXPECT_EQ(xmlAttr->compiledAttribute.value().id, ResourceId(0x7f010002));
+    AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute.value().id);
+    EXPECT_EQ(xmlAttr->compiledAttribute.value().id.value(), ResourceId(0x7f010002));
     ref = valueCast<Reference>(xmlAttr->compiledValue.get());
     ASSERT_NE(ref, nullptr);
     AAPT_ASSERT_TRUE(ref->id);
@@ -246,7 +249,8 @@
             u"http://schemas.android.com/apk/res/com.app.test", u"attr");
     ASSERT_NE(xmlAttr, nullptr);
     AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute);
-    EXPECT_EQ(xmlAttr->compiledAttribute.value().id, ResourceId(0x7f010002));
+    AAPT_ASSERT_TRUE(xmlAttr->compiledAttribute.value().id);
+    EXPECT_EQ(xmlAttr->compiledAttribute.value().id.value(), ResourceId(0x7f010002));
     Reference* ref = valueCast<Reference>(xmlAttr->compiledValue.get());
     ASSERT_NE(ref, nullptr);
     AAPT_ASSERT_TRUE(ref->id);
diff --git a/tools/aapt2/process/IResourceTableConsumer.h b/tools/aapt2/process/IResourceTableConsumer.h
index 3a88044..9affb83 100644
--- a/tools/aapt2/process/IResourceTableConsumer.h
+++ b/tools/aapt2/process/IResourceTableConsumer.h
@@ -30,14 +30,14 @@
 namespace aapt {
 
 class ResourceTable;
-struct ISymbolTable;
+class SymbolTable;
 
 struct IAaptContext {
     virtual ~IAaptContext() = default;
 
-    virtual ISymbolTable* getExternalSymbols() = 0;
+    virtual SymbolTable* getExternalSymbols() = 0;
     virtual IDiagnostics* getDiagnostics() = 0;
-    virtual StringPiece16 getCompilationPackage() = 0;
+    virtual const std::u16string& getCompilationPackage() = 0;
     virtual uint8_t getPackageId() = 0;
     virtual NameMangler* getNameMangler() = 0;
     virtual bool verbose() = 0;
diff --git a/tools/aapt2/process/SymbolTable.cpp b/tools/aapt2/process/SymbolTable.cpp
index b6030a2..a8f9bfe 100644
--- a/tools/aapt2/process/SymbolTable.cpp
+++ b/tools/aapt2/process/SymbolTable.cpp
@@ -25,11 +25,59 @@
 
 namespace aapt {
 
-const ISymbolTable::Symbol* SymbolTableWrapper::findByName(const ResourceName& name) {
+void SymbolTable::appendSource(std::unique_ptr<ISymbolSource> source) {
+    mSources.push_back(std::move(source));
+
+    // We do not clear the cache, because sources earlier in the list take precedent.
+}
+
+void SymbolTable::prependSource(std::unique_ptr<ISymbolSource> source) {
+    mSources.insert(mSources.begin(), std::move(source));
+
+    // We must clear the cache in case we did a lookup before adding this resource.
+    mCache.clear();
+}
+
+const SymbolTable::Symbol* SymbolTable::findByName(const ResourceName& name) {
     if (const std::shared_ptr<Symbol>& s = mCache.get(name)) {
         return s.get();
     }
 
+    // We did not find it in the cache, so look through the sources.
+    for (auto& symbolSource : mSources) {
+        std::unique_ptr<Symbol> symbol = symbolSource->findByName(name);
+        if (symbol) {
+            // Take ownership of the symbol into a shared_ptr. We do this because LruCache
+            // doesn't support unique_ptr.
+            std::shared_ptr<Symbol> sharedSymbol = std::shared_ptr<Symbol>(symbol.release());
+            mCache.put(name, sharedSymbol);
+            return sharedSymbol.get();
+        }
+    }
+    return nullptr;
+}
+
+const SymbolTable::Symbol* SymbolTable::findById(ResourceId id) {
+    if (const std::shared_ptr<Symbol>& s = mIdCache.get(id)) {
+        return s.get();
+    }
+
+    // We did not find it in the cache, so look through the sources.
+    for (auto& symbolSource : mSources) {
+        std::unique_ptr<Symbol> symbol = symbolSource->findById(id);
+        if (symbol) {
+            // Take ownership of the symbol into a shared_ptr. We do this because LruCache
+            // doesn't support unique_ptr.
+            std::shared_ptr<Symbol> sharedSymbol = std::shared_ptr<Symbol>(symbol.release());
+            mIdCache.put(id, sharedSymbol);
+            return sharedSymbol.get();
+        }
+    }
+    return nullptr;
+}
+
+std::unique_ptr<SymbolTable::Symbol> ResourceTableSymbolSource::findByName(
+        const ResourceName& name) {
     Maybe<ResourceTable::SearchResult> result = mTable->findResource(name);
     if (!result) {
         if (name.type == ResourceType::kAttr) {
@@ -41,16 +89,13 @@
 
     ResourceTable::SearchResult sr = result.value();
 
-    // If no ID exists, we treat the symbol as missing. SymbolTables are used to
-    // find symbols to link.
-    if (!sr.package->id || !sr.type->id || !sr.entry->id) {
-        return {};
-    }
-
-    std::shared_ptr<Symbol> symbol = std::make_shared<Symbol>();
-    symbol->id = ResourceId(sr.package->id.value(), sr.type->id.value(), sr.entry->id.value());
+    std::unique_ptr<SymbolTable::Symbol> symbol = util::make_unique<SymbolTable::Symbol>();
     symbol->isPublic = (sr.entry->symbolStatus.state == SymbolState::kPublic);
 
+    if (sr.package->id && sr.type->id && sr.entry->id) {
+        symbol->id = ResourceId(sr.package->id.value(), sr.type->id.value(), sr.entry->id.value());
+    }
+
     if (name.type == ResourceType::kAttr || name.type == ResourceType::kAttrPrivate) {
         const ConfigDescription kDefaultConfig;
         ResourceConfigValue* configValue = sr.entry->findValue(kDefaultConfig);
@@ -63,18 +108,16 @@
             }
         }
     }
-
-    if (name.type == ResourceType::kAttrPrivate) {
-        // Masquerade this entry as kAttr.
-        mCache.put(ResourceName(name.package, ResourceType::kAttr, name.entry), symbol);
-    } else {
-        mCache.put(name, symbol);
-    }
-    return symbol.get();
+    return symbol;
 }
 
-static std::shared_ptr<ISymbolTable::Symbol> lookupAttributeInTable(const android::ResTable& table,
-                                                                    ResourceId id) {
+bool AssetManagerSymbolSource::addAssetPath(const StringPiece& path) {
+    int32_t cookie = 0;
+    return mAssets.addAssetPath(android::String8(path.data(), path.size()), &cookie);
+}
+
+static std::unique_ptr<SymbolTable::Symbol> lookupAttributeInTable(const android::ResTable& table,
+                                                                   ResourceId id) {
     // Try as a bag.
     const android::ResTable::bag_entry* entry;
     ssize_t count = table.lockBag(id.id, &entry);
@@ -84,7 +127,7 @@
     }
 
     // We found a resource.
-    std::shared_ptr<ISymbolTable::Symbol> s = std::make_shared<ISymbolTable::Symbol>();
+    std::unique_ptr<SymbolTable::Symbol> s = util::make_unique<SymbolTable::Symbol>();
     s->id = id;
 
     // Check to see if it is an attribute.
@@ -138,43 +181,36 @@
     return s;
 }
 
-const ISymbolTable::Symbol* AssetManagerSymbolTableBuilder::AssetManagerSymbolTable::findByName(
+std::unique_ptr<SymbolTable::Symbol> AssetManagerSymbolSource::findByName(
         const ResourceName& name) {
-    if (const std::shared_ptr<Symbol>& s = mCache.get(name)) {
-        return s.get();
+    const android::ResTable& table = mAssets.getResources(false);
+    StringPiece16 typeStr = toString(name.type);
+    uint32_t typeSpecFlags = 0;
+    ResourceId resId = table.identifierForName(name.entry.data(), name.entry.size(),
+                                               typeStr.data(), typeStr.size(),
+                                               name.package.data(), name.package.size(),
+                                               &typeSpecFlags);
+    if (!resId.isValid()) {
+        return {};
     }
 
-    for (const auto& asset : mAssets) {
-        const android::ResTable& table = asset->getResources(false);
-        StringPiece16 typeStr = toString(name.type);
-        uint32_t typeSpecFlags = 0;
-        ResourceId resId = table.identifierForName(name.entry.data(), name.entry.size(),
-                                                   typeStr.data(), typeStr.size(),
-                                                   name.package.data(), name.package.size(),
-                                                   &typeSpecFlags);
-        if (!resId.isValid()) {
-            continue;
-        }
-
-        std::shared_ptr<Symbol> s;
-        if (name.type == ResourceType::kAttr) {
-            s = lookupAttributeInTable(table, resId);
-        } else {
-            s = std::make_shared<Symbol>();
-            s->id = resId;
-        }
-
-        if (s) {
-            s->isPublic = (typeSpecFlags & android::ResTable_typeSpec::SPEC_PUBLIC) != 0;
-            mCache.put(name, s);
-            return s.get();
-        }
+    std::unique_ptr<SymbolTable::Symbol> s;
+    if (name.type == ResourceType::kAttr) {
+        s = lookupAttributeInTable(table, resId);
+    } else {
+        s = util::make_unique<SymbolTable::Symbol>();
+        s->id = resId;
     }
-    return nullptr;
+
+    if (s) {
+        s->isPublic = (typeSpecFlags & android::ResTable_typeSpec::SPEC_PUBLIC) != 0;
+        return s;
+    }
+    return {};
 }
 
 static Maybe<ResourceName> getResourceName(const android::ResTable& table, ResourceId id) {
-    android::ResTable::resource_name resName;
+    android::ResTable::resource_name resName = {};
     if (!table.getResourceName(id.id, true, &resName)) {
         return {};
     }
@@ -211,55 +247,27 @@
     return name;
 }
 
-const ISymbolTable::Symbol* AssetManagerSymbolTableBuilder::AssetManagerSymbolTable::findById(
-        ResourceId id) {
-    if (const std::shared_ptr<Symbol>& s = mIdCache.get(id)) {
-        return s.get();
+std::unique_ptr<SymbolTable::Symbol> AssetManagerSymbolSource::findById(ResourceId id) {
+    const android::ResTable& table = mAssets.getResources(false);
+    Maybe<ResourceName> maybeName = getResourceName(table, id);
+    if (!maybeName) {
+        return {};
     }
 
-    for (const auto& asset : mAssets) {
-        const android::ResTable& table = asset->getResources(false);
+    uint32_t typeSpecFlags = 0;
+    table.getResourceFlags(id.id, &typeSpecFlags);
 
-        Maybe<ResourceName> maybeName = getResourceName(table, id);
-        if (!maybeName) {
-            continue;
-        }
-
-        uint32_t typeSpecFlags = 0;
-        table.getResourceFlags(id.id, &typeSpecFlags);
-
-        std::shared_ptr<Symbol> s;
-        if (maybeName.value().type == ResourceType::kAttr) {
-            s = lookupAttributeInTable(table, id);
-        } else {
-            s = std::make_shared<Symbol>();
-            s->id = id;
-        }
-
-        if (s) {
-            s->isPublic = (typeSpecFlags & android::ResTable_typeSpec::SPEC_PUBLIC) != 0;
-            mIdCache.put(id, s);
-            return s.get();
-        }
+    std::unique_ptr<SymbolTable::Symbol> s;
+    if (maybeName.value().type == ResourceType::kAttr) {
+        s = lookupAttributeInTable(table, id);
+    } else {
+        s = util::make_unique<SymbolTable::Symbol>();
+        s->id = id;
     }
-    return nullptr;
-}
 
-const ISymbolTable::Symbol* JoinedSymbolTableBuilder::JoinedSymbolTable::findByName(
-        const ResourceName& name) {
-    for (auto& symbolTable : mSymbolTables) {
-        if (const Symbol* s = symbolTable->findByName(name)) {
-            return s;
-        }
-    }
-    return {};
-}
-
-const ISymbolTable::Symbol* JoinedSymbolTableBuilder::JoinedSymbolTable::findById(ResourceId id) {
-    for (auto& symbolTable : mSymbolTables) {
-        if (const Symbol* s = symbolTable->findById(id)) {
-            return s;
-        }
+    if (s) {
+        s->isPublic = (typeSpecFlags & android::ResTable_typeSpec::SPEC_PUBLIC) != 0;
+        return s;
     }
     return {};
 }
diff --git a/tools/aapt2/process/SymbolTable.h b/tools/aapt2/process/SymbolTable.h
index 22096ed..8ea1c75 100644
--- a/tools/aapt2/process/SymbolTable.h
+++ b/tools/aapt2/process/SymbolTable.h
@@ -25,37 +25,20 @@
 #include <utils/JenkinsHash.h>
 #include <utils/LruCache.h>
 
+#include <android-base/macros.h>
 #include <androidfw/AssetManager.h>
 #include <algorithm>
-#include <map>
 #include <memory>
 #include <vector>
 
 namespace aapt {
 
-struct ISymbolTable {
-    virtual ~ISymbolTable() = default;
-
-    struct Symbol {
-        ResourceId id;
-        std::unique_ptr<Attribute> attribute;
-        bool isPublic;
-    };
-
-    /**
-     * Never hold on to the result between calls to findByName or findById. The results
-     * are typically stored in a cache which may evict entries.
-     */
-    virtual const Symbol* findByName(const ResourceName& name) = 0;
-    virtual const Symbol* findById(ResourceId id) = 0;
-};
-
 inline android::hash_t hash_type(const ResourceName& name) {
     std::hash<std::u16string> strHash;
     android::hash_t hash = 0;
-    hash = android::JenkinsHashMix(hash, strHash(name.package));
+    hash = android::JenkinsHashMix(hash, (uint32_t) strHash(name.package));
     hash = android::JenkinsHashMix(hash, (uint32_t) name.type);
-    hash = android::JenkinsHashMix(hash, strHash(name.entry));
+    hash = android::JenkinsHashMix(hash, (uint32_t) strHash(name.entry));
     return hash;
 }
 
@@ -63,88 +46,87 @@
     return android::hash_type(id.id);
 }
 
-/**
- * Presents a ResourceTable as an ISymbolTable, caching results.
- * Instances of this class must outlive the encompassed ResourceTable.
- * Since symbols are cached, the ResourceTable should not change during the
- * lifetime of this SymbolTableWrapper.
- *
- * If a resource in the ResourceTable does not have a ResourceID assigned to it,
- * it is ignored.
- *
- * Lookups by ID are ignored.
- */
-class SymbolTableWrapper : public ISymbolTable {
+class ISymbolSource;
+
+class SymbolTable {
+public:
+    struct Symbol {
+        Maybe<ResourceId> id;
+        std::unique_ptr<Attribute> attribute;
+        bool isPublic;
+    };
+
+    SymbolTable() : mCache(200), mIdCache(200) {
+    }
+
+    void appendSource(std::unique_ptr<ISymbolSource> source);
+    void prependSource(std::unique_ptr<ISymbolSource> source);
+
+    /**
+     * Never hold on to the result between calls to findByName or findById. The results
+     * are typically stored in a cache which may evict entries.
+     */
+    const Symbol* findByName(const ResourceName& name);
+    const Symbol* findById(ResourceId id);
+
 private:
-    ResourceTable* mTable;
+    std::vector<std::unique_ptr<ISymbolSource>> mSources;
 
     // We use shared_ptr because unique_ptr is not supported and
     // we need automatic deletion.
     android::LruCache<ResourceName, std::shared_ptr<Symbol>> mCache;
+    android::LruCache<ResourceId, std::shared_ptr<Symbol>> mIdCache;
 
+    DISALLOW_COPY_AND_ASSIGN(SymbolTable);
+};
+
+/**
+ * An interface that a symbol source implements in order to surface symbol information
+ * to the symbol table.
+ */
+class ISymbolSource {
 public:
-    SymbolTableWrapper(ResourceTable* table) : mTable(table), mCache(200) {
+    virtual ~ISymbolSource() = default;
+
+    virtual std::unique_ptr<SymbolTable::Symbol> findByName(const ResourceName& name) = 0;
+    virtual std::unique_ptr<SymbolTable::Symbol> findById(ResourceId id) = 0;
+};
+
+/**
+ * Exposes the resources in a ResourceTable as symbols for SymbolTable.
+ * Instances of this class must outlive the encompassed ResourceTable.
+ * Lookups by ID are ignored.
+ */
+class ResourceTableSymbolSource : public ISymbolSource {
+public:
+    explicit ResourceTableSymbolSource(ResourceTable* table) : mTable(table) {
     }
 
-    const Symbol* findByName(const ResourceName& name) override;
+    std::unique_ptr<SymbolTable::Symbol> findByName(const ResourceName& name) override;
 
-    // Unsupported, all queries to ResourceTable should be done by name.
-    const Symbol* findById(ResourceId id) override {
+    std::unique_ptr<SymbolTable::Symbol> findById(ResourceId id) override {
         return {};
     }
+
+private:
+    ResourceTable* mTable;
+
+    DISALLOW_COPY_AND_ASSIGN(ResourceTableSymbolSource);
 };
 
-class AssetManagerSymbolTableBuilder {
-private:
-    struct AssetManagerSymbolTable : public ISymbolTable {
-        std::vector<std::unique_ptr<android::AssetManager>> mAssets;
-
-        // We use shared_ptr because unique_ptr is not supported and
-        // we need automatic deletion.
-        android::LruCache<ResourceName, std::shared_ptr<Symbol>> mCache;
-        android::LruCache<ResourceId, std::shared_ptr<Symbol>> mIdCache;
-
-        AssetManagerSymbolTable() : mCache(200), mIdCache(200) {
-        }
-
-        const Symbol* findByName(const ResourceName& name) override;
-        const Symbol* findById(ResourceId id) override;
-    };
-
-    std::unique_ptr<AssetManagerSymbolTable> mSymbolTable =
-            util::make_unique<AssetManagerSymbolTable>();
-
+class AssetManagerSymbolSource : public ISymbolSource {
 public:
-    AssetManagerSymbolTableBuilder& add(std::unique_ptr<android::AssetManager> assetManager) {
-        mSymbolTable->mAssets.push_back(std::move(assetManager));
-        return *this;
-    }
+    AssetManagerSymbolSource() = default;
 
-    std::unique_ptr<ISymbolTable> build() {
-        return std::move(mSymbolTable);
-    }
-};
+    bool addAssetPath(const StringPiece& path);
 
-class JoinedSymbolTableBuilder {
+    std::unique_ptr<SymbolTable::Symbol> findByName(const ResourceName& name) override;
+    std::unique_ptr<SymbolTable::Symbol> findById(ResourceId id) override;
+
 private:
-    struct JoinedSymbolTable : public ISymbolTable {
-        std::vector<std::unique_ptr<ISymbolTable>> mSymbolTables;
+    android::AssetManager mAssets;
 
-        const Symbol* findByName(const ResourceName& name) override;
-        const Symbol* findById(ResourceId id) override;
-    };
-
-    std::unique_ptr<JoinedSymbolTable> mSymbolTable = util::make_unique<JoinedSymbolTable>();
-
-public:
-    JoinedSymbolTableBuilder& addSymbolTable(std::unique_ptr<ISymbolTable> table) {
-        mSymbolTable->mSymbolTables.push_back(std::move(table));
-        return *this;
-    }
-
-    std::unique_ptr<ISymbolTable> build() {
-        return std::move(mSymbolTable);
-    }
+    DISALLOW_COPY_AND_ASSIGN(AssetManagerSymbolSource);
 };
 
 } // namespace aapt
diff --git a/tools/aapt2/process/SymbolTable_test.cpp b/tools/aapt2/process/SymbolTable_test.cpp
index 1dc3b4f..34f31be 100644
--- a/tools/aapt2/process/SymbolTable_test.cpp
+++ b/tools/aapt2/process/SymbolTable_test.cpp
@@ -15,14 +15,11 @@
  */
 
 #include "process/SymbolTable.h"
-#include "test/Builders.h"
-#include "test/Context.h"
-
-#include <gtest/gtest.h>
+#include "test/Test.h"
 
 namespace aapt {
 
-TEST(SymbolTableWrapperTest, FindSymbolsWithIds) {
+TEST(ResourceTableSymbolSourceTest, FindSymbols) {
     std::unique_ptr<ResourceTable> table = test::ResourceTableBuilder()
             .addSimple(u"@android:id/foo", ResourceId(0x01020000))
             .addSimple(u"@android:id/bar")
@@ -30,27 +27,27 @@
                       test::AttributeBuilder().build())
             .build();
 
-    SymbolTableWrapper symbolTable(table.get());
-    EXPECT_NE(symbolTable.findByName(test::parseNameOrDie(u"@android:id/foo")), nullptr);
-    EXPECT_EQ(symbolTable.findByName(test::parseNameOrDie(u"@android:id/bar")), nullptr);
+    ResourceTableSymbolSource symbolSource(table.get());
+    EXPECT_NE(nullptr, symbolSource.findByName(test::parseNameOrDie(u"@android:id/foo")));
+    EXPECT_NE(nullptr, symbolSource.findByName(test::parseNameOrDie(u"@android:id/bar")));
 
-    const ISymbolTable::Symbol* s = symbolTable.findByName(
+    std::unique_ptr<SymbolTable::Symbol> s = symbolSource.findByName(
             test::parseNameOrDie(u"@android:attr/foo"));
-    ASSERT_NE(s, nullptr);
-    EXPECT_NE(s->attribute, nullptr);
+    ASSERT_NE(nullptr, s);
+    EXPECT_NE(nullptr, s->attribute);
 }
 
-TEST(SymbolTableWrapperTest, FindPrivateAttrSymbol) {
+TEST(ResourceTableSymbolSourceTest, FindPrivateAttrSymbol) {
     std::unique_ptr<ResourceTable> table = test::ResourceTableBuilder()
             .addValue(u"@android:^attr-private/foo", ResourceId(0x01010000),
                       test::AttributeBuilder().build())
             .build();
 
-    SymbolTableWrapper symbolTable(table.get());
-    const ISymbolTable::Symbol* s = symbolTable.findByName(
+    ResourceTableSymbolSource symbolSource(table.get());
+    std::unique_ptr<SymbolTable::Symbol> s = symbolSource.findByName(
                 test::parseNameOrDie(u"@android:attr/foo"));
-    ASSERT_NE(s, nullptr);
-    EXPECT_NE(s->attribute, nullptr);
+    ASSERT_NE(nullptr, s);
+    EXPECT_NE(nullptr, s->attribute);
 }
 
 } // namespace aapt
diff --git a/tools/aapt2/proto/TableProtoDeserializer.cpp b/tools/aapt2/proto/TableProtoDeserializer.cpp
index 9856a00..86883f8 100644
--- a/tools/aapt2/proto/TableProtoDeserializer.cpp
+++ b/tools/aapt2/proto/TableProtoDeserializer.cpp
@@ -483,8 +483,13 @@
         }
 
         const size_t padding = 4 - (pbSize & 0x03);
-        mData += sizeof(uint64_t) + pbSize + padding;
-        mSize -= sizeof(uint64_t) + pbSize + padding;
+        const size_t offset = sizeof(uint64_t) + pbSize + padding;
+        if (offset > mSize) {
+            return nullptr;
+        }
+
+        mData += offset;
+        mSize -= offset;
         mPbFile = std::move(pbFile);
     }
     return mPbFile.get();
diff --git a/tools/aapt2/proto/TableProtoSerializer.cpp b/tools/aapt2/proto/TableProtoSerializer.cpp
index b3d87d8..5d1b72b 100644
--- a/tools/aapt2/proto/TableProtoSerializer.cpp
+++ b/tools/aapt2/proto/TableProtoSerializer.cpp
@@ -178,10 +178,13 @@
     void serializeReferenceToPb(const Reference& ref, pb::Reference* pbRef) {
         if (ref.id) {
             pbRef->set_id(ref.id.value().id);
-        } else if (ref.name) {
+        }
+
+        if (ref.name) {
             StringPool::Ref symbolRef = mSymbolPool->makeRef(ref.name.value().toString());
             pbRef->set_symbol_idx(static_cast<uint32_t>(symbolRef.getIndex()));
         }
+
         pbRef->set_private_(ref.privateReference);
         pbRef->set_type(serializeReferenceTypeToPb(ref.referenceType));
     }
diff --git a/tools/aapt2/proto/TableProtoSerializer_test.cpp b/tools/aapt2/proto/TableProtoSerializer_test.cpp
index 70a33f7..dd995d8 100644
--- a/tools/aapt2/proto/TableProtoSerializer_test.cpp
+++ b/tools/aapt2/proto/TableProtoSerializer_test.cpp
@@ -62,6 +62,17 @@
                                        test::buildPrimitive(android::Res_value::TYPE_INT_DEC, 321u),
                                        context->getDiagnostics()));
 
+    // Make a reference with both resource name and resource ID.
+    // The reference should point to a resource outside of this table to test that both
+    // name and id get serialized.
+    Reference expectedRef;
+    expectedRef.name = test::parseNameOrDie(u"@android:layout/main");
+    expectedRef.id = ResourceId(0x01020000);
+    ASSERT_TRUE(table->addResource(test::parseNameOrDie(u"@com.app.a:layout/abc"),
+                                   ConfigDescription::defaultConfig(), std::string(),
+                                   util::make_unique<Reference>(expectedRef),
+                                   context->getDiagnostics()));
+
     std::unique_ptr<pb::ResourceTable> pbTable = serializeTableToPb(table.get());
     ASSERT_NE(nullptr, pbTable);
 
@@ -90,6 +101,13 @@
             newTable.get(), u"@com.app.a:integer/one", test::parseConfigOrDie("land"), "tablet");
     ASSERT_NE(nullptr, prim);
     EXPECT_EQ(321u, prim->value.data);
+
+    Reference* actualRef = test::getValue<Reference>(newTable.get(), u"@com.app.a:layout/abc");
+    ASSERT_NE(nullptr, actualRef);
+    AAPT_ASSERT_TRUE(actualRef->name);
+    AAPT_ASSERT_TRUE(actualRef->id);
+    EXPECT_EQ(expectedRef.name.value(), actualRef->name.value());
+    EXPECT_EQ(expectedRef.id.value(), actualRef->id.value());
 }
 
 TEST(TableProtoSerializer, SerializeFileHeader) {
@@ -130,4 +148,27 @@
     EXPECT_EQ(test::parseNameOrDie(u"@+id/unchecked"), file->exportedSymbols[0].name);
 }
 
+TEST(TableProtoSerializer, DeserializeCorruptHeaderSafely) {
+    ResourceFile f;
+    std::unique_ptr<pb::CompiledFile> pbFile = serializeCompiledFileToPb(f);
+
+    const std::string expectedData = "1234";
+
+    std::string outputStr;
+    {
+        google::protobuf::io::StringOutputStream outStream(&outputStr);
+        CompiledFileOutputStream outFileStream(&outStream, pbFile.get());
+
+        ASSERT_TRUE(outFileStream.Write(expectedData.data(), expectedData.size()));
+        ASSERT_TRUE(outFileStream.Finish());
+    }
+
+    outputStr[0] = 0xff;
+
+    CompiledFileInputStream inFileStream(outputStr.data(), outputStr.size());
+    EXPECT_EQ(nullptr, inFileStream.CompiledFile());
+    EXPECT_EQ(nullptr, inFileStream.data());
+    EXPECT_EQ(0u, inFileStream.size());
+}
+
 } // namespace aapt
diff --git a/tools/aapt2/test/Builders.h b/tools/aapt2/test/Builders.h
index 834caf8..8c56ebc 100644
--- a/tools/aapt2/test/Builders.h
+++ b/tools/aapt2/test/Builders.h
@@ -246,7 +246,7 @@
 inline std::unique_ptr<xml::XmlResource> buildXmlDomForPackageName(IAaptContext* context,
                                                                    const StringPiece& str) {
     std::unique_ptr<xml::XmlResource> doc = buildXmlDom(str);
-    doc->file.name.package = context->getCompilationPackage().toString();
+    doc->file.name.package = context->getCompilationPackage();
     return doc;
 }
 
diff --git a/tools/aapt2/test/Context.h b/tools/aapt2/test/Context.h
index e540cd7..96752d3 100644
--- a/tools/aapt2/test/Context.h
+++ b/tools/aapt2/test/Context.h
@@ -31,33 +31,16 @@
 namespace test {
 
 class Context : public IAaptContext {
-private:
-    friend class ContextBuilder;
-
-    Context() = default;
-
-    Maybe<std::u16string> mCompilationPackage;
-    Maybe<uint8_t> mPackageId;
-    std::unique_ptr<IDiagnostics> mDiagnostics = util::make_unique<StdErrDiagnostics>();
-    std::unique_ptr<ISymbolTable> mSymbols;
-    std::unique_ptr<NameMangler> mNameMangler;
-
 public:
-    ISymbolTable* getExternalSymbols() override {
-        assert(mSymbols && "test symbols not set");
-        return mSymbols.get();
-    }
-
-    void setSymbolTable(std::unique_ptr<ISymbolTable> symbols) {
-        mSymbols = std::move(symbols);
+    SymbolTable* getExternalSymbols() override {
+        return &mSymbols;
     }
 
     IDiagnostics* getDiagnostics() override {
-        assert(mDiagnostics && "test diagnostics not set");
-        return mDiagnostics.get();
+        return &mDiagnostics;
     }
 
-    StringPiece16 getCompilationPackage() override {
+    const std::u16string& getCompilationPackage() override {
         assert(mCompilationPackage && "package name not set");
         return mCompilationPackage.value();
     }
@@ -68,13 +51,24 @@
     }
 
     NameMangler* getNameMangler() override {
-        assert(mNameMangler && "test name mangler not set");
-        return mNameMangler.get();
+        return &mNameMangler;
     }
 
     bool verbose() override {
         return false;
     }
+
+private:
+    friend class ContextBuilder;
+
+    Context() : mNameMangler({}) {
+    }
+
+    Maybe<std::u16string> mCompilationPackage;
+    Maybe<uint8_t> mPackageId;
+    StdErrDiagnostics mDiagnostics;
+    SymbolTable mSymbols;
+    NameMangler mNameMangler;
 };
 
 class ContextBuilder {
@@ -92,18 +86,13 @@
         return *this;
     }
 
-    ContextBuilder& setSymbolTable(std::unique_ptr<ISymbolTable> symbols) {
-        mContext->mSymbols = std::move(symbols);
-        return *this;
-    }
-
-    ContextBuilder& setDiagnostics(std::unique_ptr<IDiagnostics> diag) {
-        mContext->mDiagnostics = std::move(diag);
-        return *this;
-    }
-
     ContextBuilder& setNameManglerPolicy(NameManglerPolicy policy) {
-        mContext->mNameMangler = util::make_unique<NameMangler>(policy);
+        mContext->mNameMangler = NameMangler(policy);
+        return *this;
+    }
+
+    ContextBuilder& addSymbolSource(std::unique_ptr<ISymbolSource> src) {
+        mContext->getExternalSymbols()->appendSource(std::move(src));
         return *this;
     }
 
@@ -112,57 +101,72 @@
     }
 };
 
-class StaticSymbolTableBuilder {
-private:
-    struct SymbolTable : public ISymbolTable {
-        std::list<std::unique_ptr<Symbol>> mSymbols;
-        std::map<ResourceName, Symbol*> mNameMap;
-        std::map<ResourceId, Symbol*> mIdMap;
+class StaticSymbolSourceBuilder {
+public:
+    StaticSymbolSourceBuilder& addPublicSymbol(const StringPiece16& name, ResourceId id,
+                                               std::unique_ptr<Attribute> attr = {}) {
+        std::unique_ptr<SymbolTable::Symbol> symbol = util::make_unique<SymbolTable::Symbol>(
+                id, std::move(attr), true);
+        mSymbolSource->mNameMap[parseNameOrDie(name)] = symbol.get();
+        mSymbolSource->mIdMap[id] = symbol.get();
+        mSymbolSource->mSymbols.push_back(std::move(symbol));
+        return *this;
+    }
 
-        const Symbol* findByName(const ResourceName& name) override {
+    StaticSymbolSourceBuilder& addSymbol(const StringPiece16& name, ResourceId id,
+                                         std::unique_ptr<Attribute> attr = {}) {
+        std::unique_ptr<SymbolTable::Symbol> symbol = util::make_unique<SymbolTable::Symbol>(
+                id, std::move(attr), false);
+        mSymbolSource->mNameMap[parseNameOrDie(name)] = symbol.get();
+        mSymbolSource->mIdMap[id] = symbol.get();
+        mSymbolSource->mSymbols.push_back(std::move(symbol));
+        return *this;
+    }
+
+    std::unique_ptr<ISymbolSource> build() {
+        return std::move(mSymbolSource);
+    }
+
+private:
+    class StaticSymbolSource : public ISymbolSource {
+    public:
+        StaticSymbolSource() = default;
+
+        std::unique_ptr<SymbolTable::Symbol> findByName(const ResourceName& name) override {
             auto iter = mNameMap.find(name);
             if (iter != mNameMap.end()) {
-                return iter->second;
+                return cloneSymbol(iter->second);
             }
             return nullptr;
         }
 
-        const Symbol* findById(ResourceId id) override {
+        std::unique_ptr<SymbolTable::Symbol> findById(ResourceId id) override {
             auto iter = mIdMap.find(id);
             if (iter != mIdMap.end()) {
-                return iter->second;
+                return cloneSymbol(iter->second);
             }
             return nullptr;
         }
+
+        std::list<std::unique_ptr<SymbolTable::Symbol>> mSymbols;
+        std::map<ResourceName, SymbolTable::Symbol*> mNameMap;
+        std::map<ResourceId, SymbolTable::Symbol*> mIdMap;
+
+    private:
+        std::unique_ptr<SymbolTable::Symbol> cloneSymbol(SymbolTable::Symbol* sym) {
+            std::unique_ptr<SymbolTable::Symbol> clone = util::make_unique<SymbolTable::Symbol>();
+            clone->id = sym->id;
+            if (sym->attribute) {
+                clone->attribute = std::unique_ptr<Attribute>(sym->attribute->clone(nullptr));
+            }
+            clone->isPublic = sym->isPublic;
+            return clone;
+        }
+
+        DISALLOW_COPY_AND_ASSIGN(StaticSymbolSource);
     };
 
-    std::unique_ptr<SymbolTable> mSymbolTable = util::make_unique<SymbolTable>();
-
-public:
-    StaticSymbolTableBuilder& addPublicSymbol(const StringPiece16& name, ResourceId id,
-                                              std::unique_ptr<Attribute> attr = {}) {
-        std::unique_ptr<ISymbolTable::Symbol> symbol = util::make_unique<ISymbolTable::Symbol>(
-                id, std::move(attr));
-        symbol->isPublic = true;
-        mSymbolTable->mNameMap[parseNameOrDie(name)] = symbol.get();
-        mSymbolTable->mIdMap[id] = symbol.get();
-        mSymbolTable->mSymbols.push_back(std::move(symbol));
-        return *this;
-    }
-
-    StaticSymbolTableBuilder& addSymbol(const StringPiece16& name, ResourceId id,
-                                        std::unique_ptr<Attribute> attr = {}) {
-        std::unique_ptr<ISymbolTable::Symbol> symbol = util::make_unique<ISymbolTable::Symbol>(
-                id, std::move(attr));
-        mSymbolTable->mNameMap[parseNameOrDie(name)] = symbol.get();
-        mSymbolTable->mIdMap[id] = symbol.get();
-        mSymbolTable->mSymbols.push_back(std::move(symbol));
-        return *this;
-    }
-
-    std::unique_ptr<ISymbolTable> build() {
-        return std::move(mSymbolTable);
-    }
+    std::unique_ptr<StaticSymbolSource> mSymbolSource = util::make_unique<StaticSymbolSource>();
 };
 
 } // namespace test
diff --git a/tools/aapt2/test/Test.h b/tools/aapt2/test/Test.h
new file mode 100644
index 0000000..d4845cf
--- /dev/null
+++ b/tools/aapt2/test/Test.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AAPT_TEST_TEST_H
+#define AAPT_TEST_TEST_H
+
+#include "test/Builders.h"
+#include "test/Common.h"
+#include "test/Context.h"
+
+#include <gtest/gtest.h>
+
+namespace aapt {
+namespace test {
+
+} // namespace test
+} // namespace aapt
+
+#endif // AAPT_TEST_TEST_H
diff --git a/tools/aapt2/xml/XmlDom.h b/tools/aapt2/xml/XmlDom.h
index 033b0a4d..b374d20 100644
--- a/tools/aapt2/xml/XmlDom.h
+++ b/tools/aapt2/xml/XmlDom.h
@@ -68,7 +68,7 @@
 };
 
 struct AaptAttribute {
-    ResourceId id;
+    Maybe<ResourceId> id;
     aapt::Attribute attribute;
 };
 
diff --git a/tools/layoutlib/Android.mk b/tools/layoutlib/Android.mk
index c2ad9ef..663e1e2 100644
--- a/tools/layoutlib/Android.mk
+++ b/tools/layoutlib/Android.mk
@@ -40,10 +40,8 @@
 built_ext_classes := $(call java-lib-files,ext)
 built_ext_data := $(call intermediates-dir-for, \
 			JAVA_LIBRARIES,ext,,COMMON)/javalib.jar
-built_icudata_dep := $(call java-lib-deps,icu4j-icudata-jarjar)
-built_icudata_data := $(call java-lib-files,icu4j-icudata-jarjar)
-built_icutzdata_dep := $(call java-lib-deps,icu4j-icutzdata-jarjar)
-built_icutzdata_data := $(call java-lib-files,icu4j-icutzdata-jarjar)
+built_icudata_dep := $(call java-lib-deps,icu4j-icudata-host-jarjar,HOST)
+built_icutzdata_dep := $(call java-lib-deps,icu4j-icutzdata-host-jarjar,HOST)
 
 built_layoutlib_create_jar := $(call intermediates-dir-for, \
 			JAVA_LIBRARIES,layoutlib_create,HOST)/javalib.jar
@@ -77,8 +75,8 @@
 	             $(built_core_classes) \
 	             $(built_framework_classes) \
 	             $(built_ext_classes) \
-		     $(built_icudata_data) \
-		     $(built_icutzdata_data) \
+		     $(built_icudata_dep) \
+		     $(built_icutzdata_dep) \
 	             $(built_ext_data)
 	$(hide) ls -l $(built_framework_classes)
 
diff --git a/tools/layoutlib/bridge/src/android/content/res/BridgeTypedArray.java b/tools/layoutlib/bridge/src/android/content/res/BridgeTypedArray.java
index db4c6dc6..ae42ba6 100644
--- a/tools/layoutlib/bridge/src/android/content/res/BridgeTypedArray.java
+++ b/tools/layoutlib/bridge/src/android/content/res/BridgeTypedArray.java
@@ -305,6 +305,12 @@
         return defValue;
     }
 
+    @Override
+    public ComplexColor getComplexColor(int index) {
+        // TODO: Support GradientColor
+        return getColorStateList(index);
+    }
+
     /**
      * Retrieve the ColorStateList for the attribute at <var>index</var>.
      * The value may be either a single solid color or a reference to
diff --git a/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
index c4fbd56..fa880f0 100644
--- a/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
@@ -142,7 +142,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_setBitmap(long canvas, Bitmap bitmap) {
+    public static void native_setBitmap(long canvas, Bitmap bitmap) {
         Canvas_Delegate canvasDelegate = sManager.getDelegate(canvas);
         Bitmap_Delegate bitmapDelegate = Bitmap_Delegate.getDelegate(bitmap);
         if (canvasDelegate == null || bitmapDelegate==null) {
@@ -153,7 +153,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static boolean native_isOpaque(long nativeCanvas) {
+    public static boolean native_isOpaque(long nativeCanvas) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -164,10 +164,10 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_setHighContrastText(long nativeCanvas, boolean highContrastText){}
+    public static void native_setHighContrastText(long nativeCanvas, boolean highContrastText){}
 
     @LayoutlibDelegate
-    /*package*/ static int native_getWidth(long nativeCanvas) {
+    public static int native_getWidth(long nativeCanvas) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -178,7 +178,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static int native_getHeight(long nativeCanvas) {
+    public static int native_getHeight(long nativeCanvas) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -189,7 +189,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static int native_save(long nativeCanvas, int saveFlags) {
+    public static int native_save(long nativeCanvas, int saveFlags) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -200,7 +200,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static int native_saveLayer(long nativeCanvas, float l,
+    public static int native_saveLayer(long nativeCanvas, float l,
                                                float t, float r, float b,
                                                long paint, int layerFlags) {
         // get the delegate from the native int.
@@ -219,7 +219,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static int native_saveLayerAlpha(long nativeCanvas, float l,
+    public static int native_saveLayerAlpha(long nativeCanvas, float l,
                                                     float t, float r, float b,
                                                     int alpha, int layerFlags) {
         // get the delegate from the native int.
@@ -232,7 +232,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_restore(long nativeCanvas, boolean throwOnUnderflow) {
+    public static void native_restore(long nativeCanvas, boolean throwOnUnderflow) {
         // FIXME: implement throwOnUnderflow.
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
@@ -244,7 +244,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_restoreToCount(long nativeCanvas, int saveCount,
+    public static void native_restoreToCount(long nativeCanvas, int saveCount,
             boolean throwOnUnderflow) {
         // FIXME: implement throwOnUnderflow.
         // get the delegate from the native int.
@@ -257,7 +257,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static int native_getSaveCount(long nativeCanvas) {
+    public static int native_getSaveCount(long nativeCanvas) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -268,7 +268,7 @@
     }
 
     @LayoutlibDelegate
-   /*package*/ static void native_translate(long nativeCanvas, float dx, float dy) {
+   public static void native_translate(long nativeCanvas, float dx, float dy) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -279,7 +279,7 @@
     }
 
     @LayoutlibDelegate
-       /*package*/ static void native_scale(long nativeCanvas, float sx, float sy) {
+       public static void native_scale(long nativeCanvas, float sx, float sy) {
             // get the delegate from the native int.
             Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
             if (canvasDelegate == null) {
@@ -290,7 +290,7 @@
         }
 
     @LayoutlibDelegate
-    /*package*/ static void native_rotate(long nativeCanvas, float degrees) {
+    public static void native_rotate(long nativeCanvas, float degrees) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -301,7 +301,7 @@
     }
 
     @LayoutlibDelegate
-   /*package*/ static void native_skew(long nativeCanvas, float kx, float ky) {
+   public static void native_skew(long nativeCanvas, float kx, float ky) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -325,7 +325,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_concat(long nCanvas, long nMatrix) {
+    public static void native_concat(long nCanvas, long nMatrix) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas);
         if (canvasDelegate == null) {
@@ -353,7 +353,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_setMatrix(long nCanvas, long nMatrix) {
+    public static void native_setMatrix(long nCanvas, long nMatrix) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas);
         if (canvasDelegate == null) {
@@ -383,7 +383,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static boolean native_clipRect(long nCanvas,
+    public static boolean native_clipRect(long nCanvas,
                                                   float left, float top,
                                                   float right, float bottom,
                                                   int regionOp) {
@@ -397,7 +397,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static boolean native_clipPath(long nativeCanvas,
+    public static boolean native_clipPath(long nativeCanvas,
                                                   long nativePath,
                                                   int regionOp) {
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
@@ -414,7 +414,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static boolean native_clipRegion(long nativeCanvas,
+    public static boolean native_clipRegion(long nativeCanvas,
                                                     long nativeRegion,
                                                     int regionOp) {
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
@@ -431,7 +431,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void nativeSetDrawFilter(long nativeCanvas, long nativeFilter) {
+    public static void nativeSetDrawFilter(long nativeCanvas, long nativeFilter) {
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
             return;
@@ -446,7 +446,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static boolean native_getClipBounds(long nativeCanvas,
+    public static boolean native_getClipBounds(long nativeCanvas,
                                                        Rect bounds) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
@@ -467,7 +467,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_getCTM(long canvas, long matrix) {
+    public static void native_getCTM(long canvas, long matrix) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(canvas);
         if (canvasDelegate == null) {
@@ -484,13 +484,13 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static boolean native_quickReject(long nativeCanvas, long path) {
+    public static boolean native_quickReject(long nativeCanvas, long path) {
         // FIXME properly implement quickReject
         return false;
     }
 
     @LayoutlibDelegate
-    /*package*/ static boolean native_quickReject(long nativeCanvas,
+    public static boolean native_quickReject(long nativeCanvas,
                                                      float left, float top,
                                                      float right, float bottom) {
         // FIXME properly implement quickReject
@@ -498,7 +498,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawColor(long nativeCanvas, final int color, final int mode) {
+    public static void native_drawColor(long nativeCanvas, final int color, final int mode) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nativeCanvas);
         if (canvasDelegate == null) {
@@ -529,14 +529,14 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawPaint(long nativeCanvas, long paint) {
+    public static void native_drawPaint(long nativeCanvas, long paint) {
         // FIXME
         Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
                 "Canvas.drawPaint is not supported.", null, null /*data*/);
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawPoint(long nativeCanvas, float x, float y,
+    public static void native_drawPoint(long nativeCanvas, float x, float y,
             long nativePaint) {
         // FIXME
         Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
@@ -544,7 +544,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawPoints(long nativeCanvas, float[] pts, int offset, int count,
+    public static void native_drawPoints(long nativeCanvas, float[] pts, int offset, int count,
             long nativePaint) {
         // FIXME
         Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
@@ -552,7 +552,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawLine(long nativeCanvas,
+    public static void native_drawLine(long nativeCanvas,
             final float startX, final float startY, final float stopX, final float stopY,
             long paint) {
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
@@ -565,7 +565,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawLines(long nativeCanvas,
+    public static void native_drawLines(long nativeCanvas,
             final float[] pts, final int offset, final int count,
             long nativePaint) {
         draw(nativeCanvas, nativePaint, false /*compositeOnly*/,
@@ -581,7 +581,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawRect(long nativeCanvas,
+    public static void native_drawRect(long nativeCanvas,
             final float left, final float top, final float right, final float bottom, long paint) {
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
@@ -607,7 +607,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawOval(long nativeCanvas, final float left,
+    public static void native_drawOval(long nativeCanvas, final float left,
             final float top, final float right, final float bottom, long paint) {
         if (right > left && bottom > top) {
             draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
@@ -634,7 +634,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawCircle(long nativeCanvas,
+    public static void native_drawCircle(long nativeCanvas,
             float cx, float cy, float radius, long paint) {
         native_drawOval(nativeCanvas,
                 cx - radius, cy - radius, cx + radius, cy + radius,
@@ -642,7 +642,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawArc(long nativeCanvas,
+    public static void native_drawArc(long nativeCanvas,
             final float left, final float top, final float right, final float bottom,
             final float startAngle, final float sweep,
             final boolean useCenter, long paint) {
@@ -674,7 +674,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawRoundRect(long nativeCanvas,
+    public static void native_drawRoundRect(long nativeCanvas,
             final float left, final float top, final float right, final float bottom,
             final float rx, final float ry, long paint) {
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
@@ -704,7 +704,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawPath(long nativeCanvas, long path, long paint) {
+    public static void native_drawPath(long nativeCanvas, long path, long paint) {
         final Path_Delegate pathDelegate = Path_Delegate.getDelegate(path);
         if (pathDelegate == null) {
             return;
@@ -756,7 +756,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawRegion(long nativeCanvas, long nativeRegion,
+    public static void native_drawRegion(long nativeCanvas, long nativeRegion,
             long nativePaint) {
         // FIXME
         Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED,
@@ -764,7 +764,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawNinePatch(Canvas thisCanvas, long nativeCanvas,
+    public static void native_drawNinePatch(Canvas thisCanvas, long nativeCanvas,
             long nativeBitmap, long ninePatch, final float dstLeft, final float dstTop,
             final float dstRight, final float dstBottom, long nativePaintOrZero,
             final int screenDensity, final int bitmapDensity) {
@@ -811,7 +811,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawBitmap(Canvas thisCanvas, long nativeCanvas, Bitmap bitmap,
+    public static void native_drawBitmap(Canvas thisCanvas, long nativeCanvas, Bitmap bitmap,
                                                  float left, float top,
                                                  long nativePaintOrZero,
                                                  int canvasDensity,
@@ -833,7 +833,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawBitmap(Canvas thisCanvas, long nativeCanvas, Bitmap bitmap,
+    public static void native_drawBitmap(Canvas thisCanvas, long nativeCanvas, Bitmap bitmap,
                                  float srcLeft, float srcTop, float srcRight, float srcBottom,
                                  float dstLeft, float dstTop, float dstRight, float dstBottom,
                                  long nativePaintOrZero, int screenDensity, int bitmapDensity) {
@@ -849,7 +849,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawBitmap(long nativeCanvas, int[] colors,
+    public static void native_drawBitmap(long nativeCanvas, int[] colors,
                                                 int offset, int stride, final float x,
                                                  final float y, int width, int height,
                                                  boolean hasAlpha,
@@ -874,7 +874,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void nativeDrawBitmapMatrix(long nCanvas, Bitmap bitmap,
+    public static void nativeDrawBitmapMatrix(long nCanvas, Bitmap bitmap,
                                                       long nMatrix, long nPaint) {
         // get the delegate from the native int.
         Canvas_Delegate canvasDelegate = sManager.getDelegate(nCanvas);
@@ -915,7 +915,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void nativeDrawBitmapMesh(long nCanvas, Bitmap bitmap,
+    public static void nativeDrawBitmapMesh(long nCanvas, Bitmap bitmap,
             int meshWidth, int meshHeight, float[] verts, int vertOffset, int[] colors,
             int colorOffset, long nPaint) {
         // FIXME
@@ -924,7 +924,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void nativeDrawVertices(long nCanvas, int mode, int n,
+    public static void nativeDrawVertices(long nCanvas, int mode, int n,
             float[] verts, int vertOffset,
             float[] texs, int texOffset,
             int[] colors, int colorOffset,
@@ -936,14 +936,14 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawText(long nativeCanvas, char[] text, int index, int count,
+    public static void native_drawText(long nativeCanvas, char[] text, int index, int count,
             float startX, float startY, int flags, long paint, long typeface) {
         drawText(nativeCanvas, text, index, count, startX, startY, (flags & 1) != 0,
                 paint, typeface);
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawText(long nativeCanvas, String text,
+    public static void native_drawText(long nativeCanvas, String text,
             int start, int end, float x, float y, final int flags, long paint,
             long typeface) {
         int count = end - start;
@@ -954,7 +954,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawTextRun(long nativeCanvas, String text,
+    public static void native_drawTextRun(long nativeCanvas, String text,
             int start, int end, int contextStart, int contextEnd,
             float x, float y, boolean isRtl, long paint, long typeface) {
         int count = end - start;
@@ -965,14 +965,14 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawTextRun(long nativeCanvas, char[] text,
+    public static void native_drawTextRun(long nativeCanvas, char[] text,
             int start, int count, int contextStart, int contextCount,
             float x, float y, boolean isRtl, long paint, long typeface) {
         drawText(nativeCanvas, text, start, count, x, y, isRtl, paint, typeface);
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawTextOnPath(long nativeCanvas,
+    public static void native_drawTextOnPath(long nativeCanvas,
                                                      char[] text, int index,
                                                      int count, long path,
                                                      float hOffset,
@@ -984,7 +984,7 @@
     }
 
     @LayoutlibDelegate
-    /*package*/ static void native_drawTextOnPath(long nativeCanvas,
+    public static void native_drawTextOnPath(long nativeCanvas,
                                                      String text, long path,
                                                      float hOffset,
                                                      float vOffset,
diff --git a/tools/layoutlib/bridge/src/android/graphics/Paint_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/Paint_Delegate.java
index 514d785..839c182 100644
--- a/tools/layoutlib/bridge/src/android/graphics/Paint_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/Paint_Delegate.java
@@ -223,6 +223,10 @@
         return mColorFilter;
     }
 
+    public void setColorFilter(long colorFilterPtr) {
+        mColorFilter = ColorFilter_Delegate.getDelegate(colorFilterPtr);
+    }
+
     /**
      * Returns the {@link Shader} delegate or null if none have been set
      *
diff --git a/tools/layoutlib/bridge/src/android/graphics/Path_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/Path_Delegate.java
index e1da27b..08f0cb4 100644
--- a/tools/layoutlib/bridge/src/android/graphics/Path_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/Path_Delegate.java
@@ -572,7 +572,7 @@
         return null;
     }
 
-    private static void addPath(long destPath, long srcPath, AffineTransform transform) {
+    public static void addPath(long destPath, long srcPath, AffineTransform transform) {
         Path_Delegate destPathDelegate = sManager.getDelegate(destPath);
         if (destPathDelegate == null) {
             return;
@@ -630,7 +630,7 @@
      * Fills the given {@link RectF} with the path bounds.
      * @param bounds the RectF to be filled.
      */
-    private void fillBounds(RectF bounds) {
+    public void fillBounds(RectF bounds) {
         Rectangle2D rect = mPath.getBounds2D();
         bounds.left = (float)rect.getMinX();
         bounds.right = (float)rect.getMaxX();
@@ -644,7 +644,7 @@
      * @param x The x-coordinate of the start of a new contour
      * @param y The y-coordinate of the start of a new contour
      */
-    private void moveTo(float x, float y) {
+    public void moveTo(float x, float y) {
         mPath.moveTo(mLastX = x, mLastY = y);
     }
 
@@ -658,7 +658,7 @@
      * @param dy The amount to add to the y-coordinate of the end of the
      *           previous contour, to specify the start of a new contour
      */
-    private void rMoveTo(float dx, float dy) {
+    public void rMoveTo(float dx, float dy) {
         dx += mLastX;
         dy += mLastY;
         mPath.moveTo(mLastX = dx, mLastY = dy);
@@ -672,7 +672,7 @@
      * @param x The x-coordinate of the end of a line
      * @param y The y-coordinate of the end of a line
      */
-    private void lineTo(float x, float y) {
+    public void lineTo(float x, float y) {
         if (!hasPoints()) {
             mPath.moveTo(mLastX = 0, mLastY = 0);
         }
@@ -689,7 +689,7 @@
      * @param dy The amount to add to the y-coordinate of the previous point on
      *           this contour, to specify a line
      */
-    private void rLineTo(float dx, float dy) {
+    public void rLineTo(float dx, float dy) {
         if (!hasPoints()) {
             mPath.moveTo(mLastX = 0, mLastY = 0);
         }
@@ -714,7 +714,7 @@
      * @param x2 The x-coordinate of the end point on a quadratic curve
      * @param y2 The y-coordinate of the end point on a quadratic curve
      */
-    private void quadTo(float x1, float y1, float x2, float y2) {
+    public void quadTo(float x1, float y1, float x2, float y2) {
         mPath.quadTo(x1, y1, mLastX = x2, mLastY = y2);
     }
 
@@ -732,7 +732,7 @@
      * @param dy2 The amount to add to the y-coordinate of the last point on
      *            this contour, for the end point of a quadratic curve
      */
-    private void rQuadTo(float dx1, float dy1, float dx2, float dy2) {
+    public void rQuadTo(float dx1, float dy1, float dx2, float dy2) {
         if (!hasPoints()) {
             mPath.moveTo(mLastX = 0, mLastY = 0);
         }
@@ -755,7 +755,7 @@
      * @param x3 The x-coordinate of the end point on a cubic curve
      * @param y3 The y-coordinate of the end point on a cubic curve
      */
-    private void cubicTo(float x1, float y1, float x2, float y2,
+    public void cubicTo(float x1, float y1, float x2, float y2,
                         float x3, float y3) {
         if (!hasPoints()) {
             mPath.moveTo(0, 0);
@@ -768,7 +768,7 @@
      * current point on this contour. If there is no previous point, then a
      * moveTo(0,0) is inserted automatically.
      */
-    private void rCubicTo(float dx1, float dy1, float dx2, float dy2,
+    public void rCubicTo(float dx1, float dy1, float dx2, float dy2,
                          float dx3, float dy3) {
         if (!hasPoints()) {
             mPath.moveTo(mLastX = 0, mLastY = 0);
@@ -798,7 +798,7 @@
      *                    mod 360.
      * @param forceMoveTo If true, always begin a new contour with the arc
      */
-    private void arcTo(float left, float top, float right, float bottom, float startAngle,
+    public void arcTo(float left, float top, float right, float bottom, float startAngle,
             float sweepAngle,
             boolean forceMoveTo) {
         Arc2D arc = new Arc2D.Float(left, top, right - left, bottom - top, -startAngle,
@@ -812,7 +812,7 @@
      * Close the current contour. If the current point is not equal to the
      * first point of the contour, a line segment is automatically added.
      */
-    private void close() {
+    public void close() {
         mPath.closePath();
     }
 
@@ -831,7 +831,7 @@
      * @param bottom The bottom of a rectangle to add to the path
      * @param dir    The direction to wind the rectangle's contour
      */
-    private void addRect(float left, float top, float right, float bottom,
+    public void addRect(float left, float top, float right, float bottom,
                         int dir) {
         moveTo(left, top);
 
diff --git a/tools/layoutlib/bridge/src/android/graphics/drawable/VectorDrawable_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/drawable/VectorDrawable_Delegate.java
new file mode 100644
index 0000000..eef8235
--- /dev/null
+++ b/tools/layoutlib/bridge/src/android/graphics/drawable/VectorDrawable_Delegate.java
@@ -0,0 +1,1122 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.graphics.drawable;
+
+import com.android.layoutlib.bridge.impl.DelegateManager;
+import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
+
+import android.content.res.Resources;
+import android.content.res.Resources.Theme;
+import android.content.res.TypedArray;
+import android.graphics.Canvas_Delegate;
+import android.graphics.Color;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.Paint.Cap;
+import android.graphics.Paint.Join;
+import android.graphics.Paint_Delegate;
+import android.graphics.Path;
+import android.graphics.PathMeasure;
+import android.graphics.Path_Delegate;
+import android.graphics.Rect;
+import android.graphics.Region.Op;
+import android.util.ArrayMap;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.util.MathUtils;
+import android.util.PathParser_Delegate;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
+import java.util.ArrayList;
+
+import static android.graphics.Canvas.CLIP_SAVE_FLAG;
+import static android.graphics.Canvas.MATRIX_SAVE_FLAG;
+import static android.graphics.Paint.Cap.BUTT;
+import static android.graphics.Paint.Cap.ROUND;
+import static android.graphics.Paint.Cap.SQUARE;
+import static android.graphics.Paint.Join.BEVEL;
+import static android.graphics.Paint.Join.MITER;
+import static android.graphics.Paint.Style;
+
+/**
+ * Delegate used to provide new implementation of a select few methods of {@link VectorDrawable}
+ * <p>
+ * Through the layoutlib_create tool, the original  methods of VectorDrawable have been replaced by
+ * calls to methods of the same name in this delegate class.
+ */
+@SuppressWarnings("unused")
+public class VectorDrawable_Delegate {
+    private static final String LOGTAG = VectorDrawable_Delegate.class.getSimpleName();
+    private static final boolean DBG_VECTOR_DRAWABLE = false;
+
+    private static final DelegateManager<VNativeObject> sPathManager =
+            new DelegateManager<>(VNativeObject.class);
+
+    private static <T> T getDelegate(long nativePtr) {
+        //noinspection unchecked
+        T object = (T) sPathManager.getDelegate(nativePtr);
+        assert object != null;
+
+        return object;
+    }
+
+    /**
+     * Obtains styled attributes from the theme, if available, or unstyled resources if the theme is
+     * null.
+     */
+    private static TypedArray obtainAttributes(
+            Resources res, Theme theme, AttributeSet set, int[] attrs) {
+        if (theme == null) {
+            return res.obtainAttributes(set, attrs);
+        }
+        return theme.obtainStyledAttributes(set, attrs, 0, 0);
+    }
+
+    private static int applyAlpha(int color, float alpha) {
+        int alphaBytes = Color.alpha(color);
+        color &= 0x00FFFFFF;
+        color |= ((int) (alphaBytes * alpha)) << 24;
+        return color;
+    }
+
+    @LayoutlibDelegate
+    static long nCreateRenderer(long rootGroupPtr) {
+        VGroup_Delegate rootGroup = getDelegate(rootGroupPtr);
+        return sPathManager.addNewDelegate(new VPathRenderer_Delegate(rootGroup));
+    }
+
+    @LayoutlibDelegate
+    static void nSetRendererViewportSize(long rendererPtr, float viewportWidth,
+            float viewportHeight) {
+        VPathRenderer_Delegate nativePathRenderer = getDelegate(rendererPtr);
+        nativePathRenderer.mViewportWidth = viewportWidth;
+        nativePathRenderer.mViewportHeight = viewportHeight;
+    }
+
+    @LayoutlibDelegate
+    static boolean nSetRootAlpha(long rendererPtr, float alpha) {
+        VPathRenderer_Delegate nativePathRenderer = getDelegate(rendererPtr);
+        nativePathRenderer.setRootAlpha(alpha);
+
+        return true;
+    }
+
+    @LayoutlibDelegate
+    static float nGetRootAlpha(long rendererPtr) {
+        VPathRenderer_Delegate nativePathRenderer = getDelegate(rendererPtr);
+
+        return nativePathRenderer.getRootAlpha();
+    }
+
+    @LayoutlibDelegate
+    static void nSetAllowCaching(long rendererPtr, boolean allowCaching) {
+        // ignored
+    }
+
+    @LayoutlibDelegate
+    static void nDraw(long rendererPtr, long canvasWrapperPtr,
+            long colorFilterPtr, Rect bounds, boolean needsMirroring, boolean canReuseCache) {
+        VPathRenderer_Delegate nativePathRenderer =
+                getDelegate(rendererPtr);
+
+        Canvas_Delegate.native_save(canvasWrapperPtr, MATRIX_SAVE_FLAG | CLIP_SAVE_FLAG);
+        Canvas_Delegate.native_translate(canvasWrapperPtr, bounds.left, bounds.top);
+
+        if (needsMirroring) {
+            Canvas_Delegate.native_translate(canvasWrapperPtr, bounds.width(), 0);
+            Canvas_Delegate.native_scale(canvasWrapperPtr, -1.0f, 1.0f);
+        }
+
+        // At this point, canvas has been translated to the right position.
+        // And we use this bound for the destination rect for the drawBitmap, so
+        // we offset to (0, 0);
+        bounds.offsetTo(0, 0);
+        nativePathRenderer.draw(canvasWrapperPtr, colorFilterPtr, bounds.width(), bounds.height());
+
+        Canvas_Delegate.native_restore(canvasWrapperPtr, true);
+    }
+
+    @LayoutlibDelegate
+    static long nCreateFullPath() {
+        return sPathManager.addNewDelegate(new VFullPath_Delegate());
+    }
+
+    @LayoutlibDelegate
+    static long nCreateFullPath(long nativeFullPathPtr) {
+        VFullPath_Delegate original = getDelegate(nativeFullPathPtr);
+
+        return sPathManager.addNewDelegate(new VFullPath_Delegate(original));
+    }
+
+    @LayoutlibDelegate
+    static boolean nGetFullPathProperties(long pathPtr, byte[] propertiesData,
+            int length) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+
+        ByteBuffer properties = ByteBuffer.wrap(propertiesData);
+        properties.order(ByteOrder.nativeOrder());
+
+        properties.putFloat(VFullPath_Delegate.STROKE_WIDTH_INDEX * 4, path.getStrokeWidth());
+        properties.putInt(VFullPath_Delegate.STROKE_COLOR_INDEX * 4, path.getStrokeColor());
+        properties.putFloat(VFullPath_Delegate.STROKE_ALPHA_INDEX * 4, path.getStrokeAlpha());
+        properties.putInt(VFullPath_Delegate.FILL_COLOR_INDEX * 4, path.getFillColor());
+        properties.putFloat(VFullPath_Delegate.FILL_ALPHA_INDEX * 4, path.getStrokeAlpha());
+        properties.putFloat(VFullPath_Delegate.TRIM_PATH_START_INDEX * 4, path.getTrimPathStart());
+        properties.putFloat(VFullPath_Delegate.TRIM_PATH_END_INDEX * 4, path.getTrimPathEnd());
+        properties.putFloat(VFullPath_Delegate.TRIM_PATH_OFFSET_INDEX * 4,
+                path.getTrimPathOffset());
+        properties.putInt(VFullPath_Delegate.STROKE_LINE_CAP_INDEX * 4, path.getStrokeLineCap());
+        properties.putInt(VFullPath_Delegate.STROKE_LINE_JOIN_INDEX * 4, path.getStrokeLineJoin());
+        properties.putFloat(VFullPath_Delegate.STROKE_MITER_LIMIT_INDEX * 4,
+                path.getStrokeMiterlimit());
+
+        return true;
+    }
+
+    @LayoutlibDelegate
+    static void nUpdateFullPathProperties(long pathPtr, float strokeWidth,
+            int strokeColor, float strokeAlpha, int fillColor, float fillAlpha, float trimPathStart,
+            float trimPathEnd, float trimPathOffset, float strokeMiterLimit, int strokeLineCap,
+            int strokeLineJoin) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+
+        path.setStrokeWidth(strokeWidth);
+        path.setStrokeColor(strokeColor);
+        path.setStrokeAlpha(strokeAlpha);
+        path.setFillColor(fillColor);
+        path.setFillAlpha(fillAlpha);
+        path.setTrimPathStart(trimPathStart);
+        path.setTrimPathEnd(trimPathEnd);
+        path.setTrimPathOffset(trimPathOffset);
+        path.setStrokeMiterlimit(strokeMiterLimit);
+        path.setStrokeLineCap(strokeLineCap);
+        path.setStrokeLineJoin(strokeLineJoin);
+    }
+
+    @LayoutlibDelegate
+    static void nUpdateFullPathFillGradient(long pathPtr, long fillGradientPtr) {
+
+    }
+
+    @LayoutlibDelegate
+    static void nUpdateFullPathStrokeGradient(long pathPtr, long strokeGradientPtr) {
+
+    }
+
+    @LayoutlibDelegate
+    static long nCreateClipPath() {
+        return sPathManager.addNewDelegate(new VClipPath_Delegate());
+    }
+
+    @LayoutlibDelegate
+    static long nCreateClipPath(long clipPathPtr) {
+        VClipPath_Delegate original = getDelegate(clipPathPtr);
+        return sPathManager.addNewDelegate(new VClipPath_Delegate(original));
+    }
+
+    @LayoutlibDelegate
+    static long nCreateGroup() {
+        return sPathManager.addNewDelegate(new VGroup_Delegate());
+    }
+
+    @LayoutlibDelegate
+    static long nCreateGroup(long groupPtr) {
+        VGroup_Delegate original = getDelegate(groupPtr);
+        return sPathManager.addNewDelegate(
+                new VGroup_Delegate(original, new ArrayMap<String, Object>()));
+    }
+
+    @LayoutlibDelegate
+    static void nSetName(long nodePtr, String name) {
+        VNativeObject group = getDelegate(nodePtr);
+        group.setName(name);
+    }
+
+    @LayoutlibDelegate
+    static boolean nGetGroupProperties(long groupPtr, float[] propertiesData,
+            int length) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+
+        FloatBuffer properties = FloatBuffer.wrap(propertiesData);
+
+        properties.put(VGroup_Delegate.ROTATE_INDEX, group.getRotation());
+        properties.put(VGroup_Delegate.PIVOT_X_INDEX, group.getPivotX());
+        properties.put(VGroup_Delegate.PIVOT_Y_INDEX, group.getPivotY());
+        properties.put(VGroup_Delegate.SCALE_X_INDEX, group.getScaleX());
+        properties.put(VGroup_Delegate.SCALE_Y_INDEX, group.getScaleY());
+        properties.put(VGroup_Delegate.TRANSLATE_X_INDEX, group.getTranslateX());
+        properties.put(VGroup_Delegate.TRANSLATE_Y_INDEX, group.getTranslateY());
+
+        return true;
+    }
+    @LayoutlibDelegate
+    static void nUpdateGroupProperties(long groupPtr, float rotate, float pivotX,
+            float pivotY, float scaleX, float scaleY, float translateX, float translateY) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+
+        group.setRotation(rotate);
+        group.setPivotX(pivotX);
+        group.setPivotY(pivotY);
+        group.setScaleX(scaleX);
+        group.setScaleY(scaleY);
+        group.setTranslateX(translateX);
+        group.setTranslateY(translateY);
+    }
+
+    @LayoutlibDelegate
+    static void nAddChild(long groupPtr, long nodePtr) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        group.mChildren.add(getDelegate(nodePtr));
+    }
+
+    @LayoutlibDelegate
+    static void nSetPathString(long pathPtr, String pathString, int length) {
+        VPath_Delegate path = getDelegate(pathPtr);
+        path.setPathData(PathParser_Delegate.createNodesFromPathData(pathString));
+    }
+
+    /**
+     * The setters and getters below for paths and groups are here temporarily, and will be removed
+     * once the animation in AVD is replaced with RenderNodeAnimator, in which case the animation
+     * will modify these properties in native. By then no JNI hopping would be necessary for VD
+     * during animation, and these setters and getters will be obsolete.
+     */
+    // Setters and getters during animation.
+    @LayoutlibDelegate
+    static float nGetRotation(long groupPtr) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        return group.getRotation();
+    }
+
+    @LayoutlibDelegate
+    static void nSetRotation(long groupPtr, float rotation) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        group.setRotation(rotation);
+    }
+
+    @LayoutlibDelegate
+    static float nGetPivotX(long groupPtr) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        return group.getPivotX();
+    }
+
+    @LayoutlibDelegate
+    static void nSetPivotX(long groupPtr, float pivotX) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        group.setPivotX(pivotX);
+    }
+
+    @LayoutlibDelegate
+    static float nGetPivotY(long groupPtr) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        return group.getPivotY();
+    }
+
+    @LayoutlibDelegate
+    static void nSetPivotY(long groupPtr, float pivotY) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        group.setPivotY(pivotY);
+    }
+
+    @LayoutlibDelegate
+    static float nGetScaleX(long groupPtr) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        return group.getScaleX();
+    }
+
+    @LayoutlibDelegate
+    static void nSetScaleX(long groupPtr, float scaleX) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        group.setScaleX(scaleX);
+    }
+
+    @LayoutlibDelegate
+    static float nGetScaleY(long groupPtr) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        return group.getScaleY();
+    }
+
+    @LayoutlibDelegate
+    static void nSetScaleY(long groupPtr, float scaleY) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        group.setScaleY(scaleY);
+    }
+
+    @LayoutlibDelegate
+    static float nGetTranslateX(long groupPtr) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        return group.getTranslateX();
+    }
+
+    @LayoutlibDelegate
+    static void nSetTranslateX(long groupPtr, float translateX) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        group.setTranslateX(translateX);
+    }
+
+    @LayoutlibDelegate
+    static float nGetTranslateY(long groupPtr) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        return group.getTranslateY();
+    }
+
+    @LayoutlibDelegate
+    static void nSetTranslateY(long groupPtr, float translateY) {
+        VGroup_Delegate group = getDelegate(groupPtr);
+        group.setTranslateY(translateY);
+    }
+
+    @LayoutlibDelegate
+    static void nSetPathData(long pathPtr, long pathDataPtr) {
+        VPath_Delegate path = getDelegate(pathPtr);
+        path.setPathData(PathParser_Delegate.getDelegate(pathDataPtr).getPathDataNodes());
+    }
+
+    @LayoutlibDelegate
+    static float nGetStrokeWidth(long pathPtr) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        return path.getStrokeWidth();
+    }
+
+    @LayoutlibDelegate
+    static void nSetStrokeWidth(long pathPtr, float width) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        path.setStrokeWidth(width);
+    }
+
+    @LayoutlibDelegate
+    static int nGetStrokeColor(long pathPtr) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        return path.getStrokeColor();
+    }
+
+    @LayoutlibDelegate
+    static void nSetStrokeColor(long pathPtr, int strokeColor) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        path.setStrokeColor(strokeColor);
+    }
+
+    @LayoutlibDelegate
+    static float nGetStrokeAlpha(long pathPtr) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        return path.getStrokeAlpha();
+    }
+
+    @LayoutlibDelegate
+    static void nSetStrokeAlpha(long pathPtr, float alpha) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        path.setStrokeAlpha(alpha);
+    }
+
+    @LayoutlibDelegate
+    static int nGetFillColor(long pathPtr) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        return path.getFillColor();
+    }
+
+    @LayoutlibDelegate
+    static void nSetFillColor(long pathPtr, int fillColor) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        path.setFillColor(fillColor);
+    }
+
+    @LayoutlibDelegate
+    static float nGetFillAlpha(long pathPtr) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        return path.getFillAlpha();
+    }
+
+    @LayoutlibDelegate
+    static void nSetFillAlpha(long pathPtr, float fillAlpha) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        path.setFillAlpha(fillAlpha);
+    }
+
+    @LayoutlibDelegate
+    static float nGetTrimPathStart(long pathPtr) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        return path.getTrimPathStart();
+    }
+
+    @LayoutlibDelegate
+    static void nSetTrimPathStart(long pathPtr, float trimPathStart) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        path.setTrimPathStart(trimPathStart);
+    }
+
+    @LayoutlibDelegate
+    static float nGetTrimPathEnd(long pathPtr) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        return path.getTrimPathEnd();
+    }
+
+    @LayoutlibDelegate
+    static void nSetTrimPathEnd(long pathPtr, float trimPathEnd) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        path.setTrimPathEnd(trimPathEnd);
+    }
+
+    @LayoutlibDelegate
+    static float nGetTrimPathOffset(long pathPtr) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        return path.getTrimPathOffset();
+    }
+
+    @LayoutlibDelegate
+    static void nSetTrimPathOffset(long pathPtr, float trimPathOffset) {
+        VFullPath_Delegate path = getDelegate(pathPtr);
+        path.setTrimPathOffset(trimPathOffset);
+    }
+
+    /**
+     * Base class for all the internal Delegates that does two functions:
+     * <ol>
+     *     <li>Serves as base class to store all the delegates in one {@link DelegateManager}
+     *     <li>Provides setName for all the classes. {@link VPathRenderer_Delegate} does actually
+     *     not need it
+     * </ol>
+     */
+    private interface VNativeObject {
+        void setName(String name);
+    }
+
+    private static class VClipPath_Delegate extends VPath_Delegate {
+        private VClipPath_Delegate() {
+            // Empty constructor.
+        }
+
+        private VClipPath_Delegate(VClipPath_Delegate copy) {
+            super(copy);
+        }
+
+        @Override
+        public boolean isClipPath() {
+            return true;
+        }
+    }
+
+    private static class VFullPath_Delegate extends VPath_Delegate {
+        // These constants need to be kept in sync with their values in VectorDrawable.VFullPath
+        private static final int STROKE_WIDTH_INDEX = 0;
+        private static final int STROKE_COLOR_INDEX = 1;
+        private static final int STROKE_ALPHA_INDEX = 2;
+        private static final int FILL_COLOR_INDEX = 3;
+        private static final int FILL_ALPHA_INDEX = 4;
+        private static final int TRIM_PATH_START_INDEX = 5;
+        private static final int TRIM_PATH_END_INDEX = 6;
+        private static final int TRIM_PATH_OFFSET_INDEX = 7;
+        private static final int STROKE_LINE_CAP_INDEX = 8;
+        private static final int STROKE_LINE_JOIN_INDEX = 9;
+        private static final int STROKE_MITER_LIMIT_INDEX = 10;
+
+        private static final int LINECAP_BUTT = 0;
+        private static final int LINECAP_ROUND = 1;
+        private static final int LINECAP_SQUARE = 2;
+
+        private static final int LINEJOIN_MITER = 0;
+        private static final int LINEJOIN_ROUND = 1;
+        private static final int LINEJOIN_BEVEL = 2;
+
+        /////////////////////////////////////////////////////
+        // Variables below need to be copied (deep copy if applicable) for mutation.
+
+        int mStrokeColor = Color.TRANSPARENT;
+        float mStrokeWidth = 0;
+
+        int mFillColor = Color.TRANSPARENT;
+        float mStrokeAlpha = 1.0f;
+        float mFillAlpha = 1.0f;
+        float mTrimPathStart = 0;
+        float mTrimPathEnd = 1;
+        float mTrimPathOffset = 0;
+
+        Cap mStrokeLineCap = BUTT;
+        Join mStrokeLineJoin = MITER;
+        float mStrokeMiterlimit = 4;
+
+        private VFullPath_Delegate() {
+            // Empty constructor.
+        }
+
+        private VFullPath_Delegate(VFullPath_Delegate copy) {
+            super(copy);
+
+            mStrokeColor = copy.mStrokeColor;
+            mStrokeWidth = copy.mStrokeWidth;
+            mStrokeAlpha = copy.mStrokeAlpha;
+            mFillColor = copy.mFillColor;
+            mFillAlpha = copy.mFillAlpha;
+            mTrimPathStart = copy.mTrimPathStart;
+            mTrimPathEnd = copy.mTrimPathEnd;
+            mTrimPathOffset = copy.mTrimPathOffset;
+
+            mStrokeLineCap = copy.mStrokeLineCap;
+            mStrokeLineJoin = copy.mStrokeLineJoin;
+            mStrokeMiterlimit = copy.mStrokeMiterlimit;
+        }
+
+        private int getStrokeLineCap() {
+            switch (mStrokeLineCap) {
+                case BUTT:
+                    return LINECAP_BUTT;
+                case ROUND:
+                    return LINECAP_ROUND;
+                case SQUARE:
+                    return LINECAP_SQUARE;
+                default:
+                    assert false;
+            }
+
+            return -1;
+        }
+
+        private void setStrokeLineCap(int cap) {
+            switch (cap) {
+                case LINECAP_BUTT:
+                    mStrokeLineCap = BUTT;
+                    break;
+                case LINECAP_ROUND:
+                    mStrokeLineCap = ROUND;
+                    break;
+                case LINECAP_SQUARE:
+                    mStrokeLineCap = SQUARE;
+                    break;
+                default:
+                    assert false;
+            }
+        }
+
+        private int getStrokeLineJoin() {
+            switch (mStrokeLineJoin) {
+                case MITER:
+                    return LINEJOIN_MITER;
+                case ROUND:
+                    return LINEJOIN_ROUND;
+                case BEVEL:
+                    return LINEJOIN_BEVEL;
+                default:
+                    assert false;
+            }
+
+            return -1;
+        }
+
+        private void setStrokeLineJoin(int join) {
+            switch (join) {
+                case LINEJOIN_BEVEL:
+                    mStrokeLineJoin = BEVEL;
+                    break;
+                case LINEJOIN_MITER:
+                    mStrokeLineJoin = MITER;
+                    break;
+                case LINEJOIN_ROUND:
+                    mStrokeLineJoin = Join.ROUND;
+                    break;
+                default:
+                    assert false;
+            }
+        }
+
+        private int getStrokeColor() {
+            return mStrokeColor;
+        }
+
+                private void setStrokeColor(int strokeColor) {
+            mStrokeColor = strokeColor;
+        }
+
+        private float getStrokeWidth() {
+            return mStrokeWidth;
+        }
+
+        private void setStrokeWidth(float strokeWidth) {
+            mStrokeWidth = strokeWidth;
+        }
+
+        private float getStrokeAlpha() {
+            return mStrokeAlpha;
+        }
+
+        private void setStrokeAlpha(float strokeAlpha) {
+            mStrokeAlpha = strokeAlpha;
+        }
+
+        private int getFillColor() {
+            return mFillColor;
+        }
+
+        private void setFillColor(int fillColor) {
+            mFillColor = fillColor;
+        }
+
+        private float getFillAlpha() {
+            return mFillAlpha;
+        }
+
+        private void setFillAlpha(float fillAlpha) {
+            mFillAlpha = fillAlpha;
+        }
+
+        private float getTrimPathStart() {
+            return mTrimPathStart;
+        }
+
+        private void setTrimPathStart(float trimPathStart) {
+            mTrimPathStart = trimPathStart;
+        }
+
+        private float getTrimPathEnd() {
+            return mTrimPathEnd;
+        }
+
+        private void setTrimPathEnd(float trimPathEnd) {
+            mTrimPathEnd = trimPathEnd;
+        }
+
+        private float getTrimPathOffset() {
+            return mTrimPathOffset;
+        }
+
+        private void setTrimPathOffset(float trimPathOffset) {
+            mTrimPathOffset = trimPathOffset;
+        }
+
+        private void setStrokeMiterlimit(float limit) {
+            mStrokeMiterlimit = limit;
+        }
+
+        private float getStrokeMiterlimit() {
+            return mStrokeMiterlimit;
+        }
+    }
+
+    private static class VGroup_Delegate implements VNativeObject {
+        // This constants need to be kept in sync with their definitions in VectorDrawable.Group
+        private static final int ROTATE_INDEX = 0;
+        private static final int PIVOT_X_INDEX = 1;
+        private static final int PIVOT_Y_INDEX = 2;
+        private static final int SCALE_X_INDEX = 3;
+        private static final int SCALE_Y_INDEX = 4;
+        private static final int TRANSLATE_X_INDEX = 5;
+        private static final int TRANSLATE_Y_INDEX = 6;
+
+        /////////////////////////////////////////////////////
+        // Variables below need to be copied (deep copy if applicable) for mutation.
+        final ArrayList<Object> mChildren = new ArrayList<>();
+        // mStackedMatrix is only used temporarily when drawing, it combines all
+        // the parents' local matrices with the current one.
+        private final Matrix mStackedMatrix = new Matrix();
+        // mLocalMatrix is updated based on the update of transformation information,
+        // either parsed from the XML or by animation.
+        private final Matrix mLocalMatrix = new Matrix();
+        private float mRotate = 0;
+        private float mPivotX = 0;
+        private float mPivotY = 0;
+        private float mScaleX = 1;
+        private float mScaleY = 1;
+        private float mTranslateX = 0;
+        private float mTranslateY = 0;
+        private int mChangingConfigurations;
+        private String mGroupName = null;
+
+        private VGroup_Delegate(VGroup_Delegate copy, ArrayMap<String, Object> targetsMap) {
+            mRotate = copy.mRotate;
+            mPivotX = copy.mPivotX;
+            mPivotY = copy.mPivotY;
+            mScaleX = copy.mScaleX;
+            mScaleY = copy.mScaleY;
+            mTranslateX = copy.mTranslateX;
+            mTranslateY = copy.mTranslateY;
+            mGroupName = copy.mGroupName;
+            mChangingConfigurations = copy.mChangingConfigurations;
+            if (mGroupName != null) {
+                targetsMap.put(mGroupName, this);
+            }
+
+            mLocalMatrix.set(copy.mLocalMatrix);
+
+            final ArrayList<Object> children = copy.mChildren;
+            //noinspection ForLoopReplaceableByForEach
+            for (int i = 0; i < children.size(); i++) {
+                Object copyChild = children.get(i);
+                if (copyChild instanceof VGroup_Delegate) {
+                    VGroup_Delegate copyGroup = (VGroup_Delegate) copyChild;
+                    mChildren.add(new VGroup_Delegate(copyGroup, targetsMap));
+                } else {
+                    VPath_Delegate newPath;
+                    if (copyChild instanceof VFullPath_Delegate) {
+                        newPath = new VFullPath_Delegate((VFullPath_Delegate) copyChild);
+                    } else if (copyChild instanceof VClipPath_Delegate) {
+                        newPath = new VClipPath_Delegate((VClipPath_Delegate) copyChild);
+                    } else {
+                        throw new IllegalStateException("Unknown object in the tree!");
+                    }
+                    mChildren.add(newPath);
+                    if (newPath.mPathName != null) {
+                        targetsMap.put(newPath.mPathName, newPath);
+                    }
+                }
+            }
+        }
+
+        private VGroup_Delegate() {
+        }
+
+        private void updateLocalMatrix() {
+            // The order we apply is the same as the
+            // RenderNode.cpp::applyViewPropertyTransforms().
+            mLocalMatrix.reset();
+            mLocalMatrix.postTranslate(-mPivotX, -mPivotY);
+            mLocalMatrix.postScale(mScaleX, mScaleY);
+            mLocalMatrix.postRotate(mRotate, 0, 0);
+            mLocalMatrix.postTranslate(mTranslateX + mPivotX, mTranslateY + mPivotY);
+        }
+
+        /* Setters and Getters, used by animator from AnimatedVectorDrawable. */
+        private float getRotation() {
+            return mRotate;
+        }
+
+        private void setRotation(float rotation) {
+            if (rotation != mRotate) {
+                mRotate = rotation;
+                updateLocalMatrix();
+            }
+        }
+
+        private float getPivotX() {
+            return mPivotX;
+        }
+
+        private void setPivotX(float pivotX) {
+            if (pivotX != mPivotX) {
+                mPivotX = pivotX;
+                updateLocalMatrix();
+            }
+        }
+
+        private float getPivotY() {
+            return mPivotY;
+        }
+
+        private void setPivotY(float pivotY) {
+            if (pivotY != mPivotY) {
+                mPivotY = pivotY;
+                updateLocalMatrix();
+            }
+        }
+
+        private float getScaleX() {
+            return mScaleX;
+        }
+
+        private void setScaleX(float scaleX) {
+            if (scaleX != mScaleX) {
+                mScaleX = scaleX;
+                updateLocalMatrix();
+            }
+        }
+
+        private float getScaleY() {
+            return mScaleY;
+        }
+
+        private void setScaleY(float scaleY) {
+            if (scaleY != mScaleY) {
+                mScaleY = scaleY;
+                updateLocalMatrix();
+            }
+        }
+
+        private float getTranslateX() {
+            return mTranslateX;
+        }
+
+        private void setTranslateX(float translateX) {
+            if (translateX != mTranslateX) {
+                mTranslateX = translateX;
+                updateLocalMatrix();
+            }
+        }
+
+        private float getTranslateY() {
+            return mTranslateY;
+        }
+
+        private void setTranslateY(float translateY) {
+            if (translateY != mTranslateY) {
+                mTranslateY = translateY;
+                updateLocalMatrix();
+            }
+        }
+
+        @Override
+        public void setName(String name) {
+            mGroupName = name;
+        }
+    }
+
+    public static class VPath_Delegate implements VNativeObject {
+        protected PathParser_Delegate.PathDataNode[] mNodes = null;
+        String mPathName;
+        int mChangingConfigurations;
+
+        public VPath_Delegate() {
+            // Empty constructor.
+        }
+
+        public VPath_Delegate(VPath_Delegate copy) {
+            mPathName = copy.mPathName;
+            mChangingConfigurations = copy.mChangingConfigurations;
+            mNodes = PathParser_Delegate.deepCopyNodes(copy.mNodes);
+        }
+
+        public void toPath(Path path) {
+            path.reset();
+            if (mNodes != null) {
+                PathParser_Delegate.PathDataNode.nodesToPath(mNodes,
+                        Path_Delegate.getDelegate(path.mNativePath));
+            }
+        }
+
+        @Override
+        public void setName(String name) {
+            mPathName = name;
+        }
+
+        public boolean isClipPath() {
+            return false;
+        }
+
+        private void setPathData(PathParser_Delegate.PathDataNode[] nodes) {
+            if (!PathParser_Delegate.canMorph(mNodes, nodes)) {
+                // This should not happen in the middle of animation.
+                mNodes = PathParser_Delegate.deepCopyNodes(nodes);
+            } else {
+                PathParser_Delegate.updateNodes(mNodes, nodes);
+            }
+        }
+    }
+
+    private static class VPathRenderer_Delegate implements VNativeObject {
+        /* Right now the internal data structure is organized as a tree.
+         * Each node can be a group node, or a path.
+         * A group node can have groups or paths as children, but a path node has
+         * no children.
+         * One example can be:
+         *                 Root Group
+         *                /    |     \
+         *           Group    Path    Group
+         *          /     \             |
+         *         Path   Path         Path
+         *
+         */
+        // Variables that only used temporarily inside the draw() call, so there
+        // is no need for deep copying.
+        private final Path mPath;
+        private final Path mRenderPath;
+        private final Matrix mFinalPathMatrix = new Matrix();
+        private final VGroup_Delegate mRootGroup;
+        private float mViewportWidth = 0;
+        private float mViewportHeight = 0;
+        private float mRootAlpha = 1.0f;
+        private Paint mStrokePaint;
+        private Paint mFillPaint;
+        private PathMeasure mPathMeasure;
+
+        private VPathRenderer_Delegate(VGroup_Delegate rootGroup) {
+            mRootGroup = rootGroup;
+            mPath = new Path();
+            mRenderPath = new Path();
+        }
+
+        private float getRootAlpha() {
+            return mRootAlpha;
+        }
+
+        private void setRootAlpha(float alpha) {
+            mRootAlpha = alpha;
+        }
+
+        private void drawGroupTree(VGroup_Delegate currentGroup, Matrix currentMatrix,
+                long canvasPtr, int w, int h, long filterPtr) {
+            // Calculate current group's matrix by preConcat the parent's and
+            // and the current one on the top of the stack.
+            // Basically the Mfinal = Mviewport * M0 * M1 * M2;
+            // Mi the local matrix at level i of the group tree.
+            currentGroup.mStackedMatrix.set(currentMatrix);
+            currentGroup.mStackedMatrix.preConcat(currentGroup.mLocalMatrix);
+
+            // Save the current clip information, which is local to this group.
+            Canvas_Delegate.native_save(canvasPtr, MATRIX_SAVE_FLAG | CLIP_SAVE_FLAG);
+            // Draw the group tree in the same order as the XML file.
+            for (int i = 0; i < currentGroup.mChildren.size(); i++) {
+                Object child = currentGroup.mChildren.get(i);
+                if (child instanceof VGroup_Delegate) {
+                    VGroup_Delegate childGroup = (VGroup_Delegate) child;
+                    drawGroupTree(childGroup, currentGroup.mStackedMatrix,
+                            canvasPtr, w, h, filterPtr);
+                } else if (child instanceof VPath_Delegate) {
+                    VPath_Delegate childPath = (VPath_Delegate) child;
+                    drawPath(currentGroup, childPath, canvasPtr, w, h, filterPtr);
+                }
+            }
+            Canvas_Delegate.native_restore(canvasPtr, true);
+        }
+
+        public void draw(long canvasPtr, long filterPtr, int w, int h) {
+            // Traverse the tree in pre-order to draw.
+            drawGroupTree(mRootGroup, Matrix.IDENTITY_MATRIX, canvasPtr, w, h, filterPtr);
+        }
+
+        private void drawPath(VGroup_Delegate VGroup, VPath_Delegate VPath, long canvasPtr,
+                int w,
+                int h,
+                long filterPtr) {
+            final float scaleX = w / mViewportWidth;
+            final float scaleY = h / mViewportHeight;
+            final float minScale = Math.min(scaleX, scaleY);
+            final Matrix groupStackedMatrix = VGroup.mStackedMatrix;
+
+            mFinalPathMatrix.set(groupStackedMatrix);
+            mFinalPathMatrix.postScale(scaleX, scaleY);
+
+            final float matrixScale = getMatrixScale(groupStackedMatrix);
+            if (matrixScale == 0) {
+                // When either x or y is scaled to 0, we don't need to draw anything.
+                return;
+            }
+            VPath.toPath(mPath);
+            final Path path = mPath;
+
+            mRenderPath.reset();
+
+            if (VPath.isClipPath()) {
+                mRenderPath.addPath(path, mFinalPathMatrix);
+                Canvas_Delegate.native_clipPath(canvasPtr, mRenderPath.mNativePath, Op
+                        .INTERSECT.nativeInt);
+            } else {
+                VFullPath_Delegate fullPath = (VFullPath_Delegate) VPath;
+                if (fullPath.mTrimPathStart != 0.0f || fullPath.mTrimPathEnd != 1.0f) {
+                    float start = (fullPath.mTrimPathStart + fullPath.mTrimPathOffset) % 1.0f;
+                    float end = (fullPath.mTrimPathEnd + fullPath.mTrimPathOffset) % 1.0f;
+
+                    if (mPathMeasure == null) {
+                        mPathMeasure = new PathMeasure();
+                    }
+                    mPathMeasure.setPath(mPath, false);
+
+                    float len = mPathMeasure.getLength();
+                    start = start * len;
+                    end = end * len;
+                    path.reset();
+                    if (start > end) {
+                        mPathMeasure.getSegment(start, len, path, true);
+                        mPathMeasure.getSegment(0f, end, path, true);
+                    } else {
+                        mPathMeasure.getSegment(start, end, path, true);
+                    }
+                    path.rLineTo(0, 0); // fix bug in measure
+                }
+                mRenderPath.addPath(path, mFinalPathMatrix);
+
+                if (fullPath.mFillColor != Color.TRANSPARENT) {
+                    if (mFillPaint == null) {
+                        mFillPaint = new Paint();
+                        mFillPaint.setStyle(Style.FILL);
+                        mFillPaint.setAntiAlias(true);
+                    }
+
+                    final Paint fillPaint = mFillPaint;
+                    fillPaint.setColor(applyAlpha(fullPath.mFillColor, fullPath.mFillAlpha));
+                    Paint_Delegate fillPaintDelegate = Paint_Delegate.getDelegate(fillPaint
+                            .getNativeInstance
+                            ());
+                    // mFillPaint can not be null at this point so we will have a delegate
+                    assert fillPaintDelegate != null;
+                    fillPaintDelegate.setColorFilter(filterPtr);
+                    Canvas_Delegate.native_drawPath(canvasPtr, mRenderPath.mNativePath, fillPaint
+                            .getNativeInstance());
+                }
+
+                if (fullPath.mStrokeColor != Color.TRANSPARENT) {
+                    if (mStrokePaint == null) {
+                        mStrokePaint = new Paint();
+                        mStrokePaint.setStyle(Style.STROKE);
+                        mStrokePaint.setAntiAlias(true);
+                    }
+
+                    final Paint strokePaint = mStrokePaint;
+                    if (fullPath.mStrokeLineJoin != null) {
+                        strokePaint.setStrokeJoin(fullPath.mStrokeLineJoin);
+                    }
+
+                    if (fullPath.mStrokeLineCap != null) {
+                        strokePaint.setStrokeCap(fullPath.mStrokeLineCap);
+                    }
+
+                    strokePaint.setStrokeMiter(fullPath.mStrokeMiterlimit);
+                    strokePaint.setColor(applyAlpha(fullPath.mStrokeColor, fullPath.mStrokeAlpha));
+                    Paint_Delegate strokePaintDelegate = Paint_Delegate.getDelegate(strokePaint
+                            .getNativeInstance());
+                    // mStrokePaint can not be null at this point so we will have a delegate
+                    assert strokePaintDelegate != null;
+                    strokePaintDelegate.setColorFilter(filterPtr);
+                    final float finalStrokeScale = minScale * matrixScale;
+                    strokePaint.setStrokeWidth(fullPath.mStrokeWidth * finalStrokeScale);
+                    Canvas_Delegate.native_drawPath(canvasPtr, mRenderPath.mNativePath, strokePaint
+                            .getNativeInstance());
+                }
+            }
+        }
+
+        private float getMatrixScale(Matrix groupStackedMatrix) {
+            // Given unit vectors A = (0, 1) and B = (1, 0).
+            // After matrix mapping, we got A' and B'. Let theta = the angel b/t A' and B'.
+            // Therefore, the final scale we want is min(|A'| * sin(theta), |B'| * sin(theta)),
+            // which is (|A'| * |B'| * sin(theta)) / max (|A'|, |B'|);
+            // If  max (|A'|, |B'|) = 0, that means either x or y has a scale of 0.
+            //
+            // For non-skew case, which is most of the cases, matrix scale is computing exactly the
+            // scale on x and y axis, and take the minimal of these two.
+            // For skew case, an unit square will mapped to a parallelogram. And this function will
+            // return the minimal height of the 2 bases.
+            float[] unitVectors = new float[]{0, 1, 1, 0};
+            groupStackedMatrix.mapVectors(unitVectors);
+            float scaleX = MathUtils.mag(unitVectors[0], unitVectors[1]);
+            float scaleY = MathUtils.mag(unitVectors[2], unitVectors[3]);
+            float crossProduct = MathUtils.cross(unitVectors[0], unitVectors[1],
+                    unitVectors[2], unitVectors[3]);
+            float maxScale = MathUtils.max(scaleX, scaleY);
+
+            float matrixScale = 0;
+            if (maxScale > 0) {
+                matrixScale = MathUtils.abs(crossProduct) / maxScale;
+            }
+            if (DBG_VECTOR_DRAWABLE) {
+                Log.d(LOGTAG, "Scale x " + scaleX + " y " + scaleY + " final " + matrixScale);
+            }
+            return matrixScale;
+        }
+
+        @Override
+        public void setName(String name) {
+        }
+    }
+}
diff --git a/tools/layoutlib/bridge/src/android/util/PathParser_Delegate.java b/tools/layoutlib/bridge/src/android/util/PathParser_Delegate.java
index d3af837..6c34c70 100644
--- a/tools/layoutlib/bridge/src/android/util/PathParser_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/util/PathParser_Delegate.java
@@ -24,7 +24,6 @@
 import android.annotation.NonNull;
 import android.graphics.Path_Delegate;
 
-import java.awt.geom.Path2D;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.logging.Level;
@@ -52,10 +51,18 @@
     @NonNull
     private PathDataNode[] mPathDataNodes;
 
+    public static PathParser_Delegate getDelegate(long nativePtr) {
+        return sManager.getDelegate(nativePtr);
+    }
+
     private PathParser_Delegate(@NonNull PathDataNode[] nodes) {
         mPathDataNodes = nodes;
     }
 
+    public PathDataNode[] getPathDataNodes() {
+        return mPathDataNodes;
+    }
+
     @LayoutlibDelegate
     /*package*/ static boolean nParseStringForPath(long pathPtr, @NonNull String pathString, int
             stringLength) {
@@ -64,7 +71,7 @@
             return false;
         }
         assert pathString.length() == stringLength;
-        PathDataNode.nodesToPath(createNodesFromPathData(pathString), path_delegate.getJavaShape());
+        PathDataNode.nodesToPath(createNodesFromPathData(pathString), path_delegate);
         return true;
     }
 
@@ -75,7 +82,7 @@
         if (source == null || path_delegate == null) {
             return;
         }
-        PathDataNode.nodesToPath(source.mPathDataNodes, path_delegate.getJavaShape());
+        PathDataNode.nodesToPath(source.mPathDataNodes, path_delegate);
     }
 
     @LayoutlibDelegate
@@ -124,8 +131,11 @@
             out.mPathDataNodes = new PathDataNode[length];
         }
         for (int i = 0; i < length; i++) {
+            if (out.mPathDataNodes[i] == null) {
+                out.mPathDataNodes[i] = new PathDataNode(from.mPathDataNodes[i]);
+            }
             out.mPathDataNodes[i].interpolatePathDataNode(from.mPathDataNodes[i],
-                    to.mPathDataNodes[i], fraction);
+                        to.mPathDataNodes[i], fraction);
         }
         return true;
     }
@@ -137,9 +147,13 @@
 
     @LayoutlibDelegate
     /*package*/ static boolean nCanMorph(long fromDataPtr, long toDataPtr) {
-        Bridge.getLog().fidelityWarning(LayoutLog.TAG_UNSUPPORTED, "morphing path data isn't " +
-                "supported", null, null);
-        return false;
+        PathParser_Delegate fromPath = PathParser_Delegate.getDelegate(fromDataPtr);
+        PathParser_Delegate toPath = PathParser_Delegate.getDelegate(toDataPtr);
+        if (fromPath == null || toPath == null || fromPath.getPathDataNodes() == null || toPath
+                .getPathDataNodes() == null) {
+            return true;
+        }
+        return PathParser_Delegate.canMorph(fromPath.getPathDataNodes(), toPath.getPathDataNodes());
     }
 
     @LayoutlibDelegate
@@ -158,7 +172,7 @@
      * @return an array of the PathDataNode.
      */
     @NonNull
-    private static PathDataNode[] createNodesFromPathData(@NonNull String pathData) {
+    public static PathDataNode[] createNodesFromPathData(@NonNull String pathData) {
         int start = 0;
         int end = 1;
 
@@ -186,7 +200,7 @@
      * @return a deep copy of the <code>source</code>.
      */
     @NonNull
-    private static PathDataNode[] deepCopyNodes(@NonNull PathDataNode[] source) {
+    public static PathDataNode[] deepCopyNodes(@NonNull PathDataNode[] source) {
         PathDataNode[] copy = new PathDataNode[source.length];
         for (int i = 0; i < source.length; i++) {
             copy[i] = new PathDataNode(source[i]);
@@ -194,6 +208,45 @@
         return copy;
     }
 
+    /**
+     * @param nodesFrom The source path represented in an array of PathDataNode
+     * @param nodesTo The target path represented in an array of PathDataNode
+     * @return whether the <code>nodesFrom</code> can morph into <code>nodesTo</code>
+     */
+    public static boolean canMorph(PathDataNode[] nodesFrom, PathDataNode[] nodesTo) {
+        if (nodesFrom == null || nodesTo == null) {
+            return false;
+        }
+
+        if (nodesFrom.length != nodesTo.length) {
+            return false;
+        }
+
+        for (int i = 0; i < nodesFrom.length; i ++) {
+            if (nodesFrom[i].mType != nodesTo[i].mType
+                    || nodesFrom[i].mParams.length != nodesTo[i].mParams.length) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Update the target's data to match the source.
+     * Before calling this, make sure canMorph(target, source) is true.
+     *
+     * @param target The target path represented in an array of PathDataNode
+     * @param source The source path represented in an array of PathDataNode
+     */
+    public static void updateNodes(PathDataNode[] target, PathDataNode[] source) {
+        for (int i = 0; i < source.length; i ++) {
+            target[i].mType = source[i].mType;
+            for (int j = 0; j < source[i].mParams.length; j ++) {
+                target[i].mParams[j] = source[i].mParams[j];
+            }
+        }
+    }
+
     private static int nextStart(@NonNull String s, int end) {
         char c;
 
@@ -330,7 +383,7 @@
      * Each PathDataNode represents one command in the "d" attribute of the svg file. An array of
      * PathDataNode can represent the whole "d" attribute.
      */
-    private static class PathDataNode {
+    public static class PathDataNode {
         private char mType;
         @NonNull
         private float[] mParams;
@@ -355,12 +408,13 @@
         }
 
         /**
-         * Convert an array of PathDataNode to Path.
+         * Convert an array of PathDataNode to Path. Reset the passed path as needed before
+         * calling this method.
          *
          * @param node The source array of PathDataNode.
          * @param path The target Path object.
          */
-        private static void nodesToPath(@NonNull PathDataNode[] node, @NonNull Path2D path) {
+        public static void nodesToPath(@NonNull PathDataNode[] node, @NonNull Path_Delegate path) {
             float[] current = new float[6];
             char previousCommand = 'm';
             //noinspection ForLoopReplaceableByForEach
@@ -387,24 +441,32 @@
         }
 
         @SuppressWarnings("PointlessArithmeticExpression")
-        private static void addCommand(@NonNull Path2D path, float[] current, char cmd,
-                char lastCmd, @NonNull float[] val) {
+        private static void addCommand(@NonNull Path_Delegate path, float[] current,
+                char previousCmd, char cmd, @NonNull float[] val) {
 
             int incr = 2;
-
-            float cx = current[0];
-            float cy = current[1];
-            float cpx = current[2];
-            float cpy = current[3];
-            float loopX = current[4];
-            float loopY = current[5];
+            float currentX = current[0];
+            float currentY = current[1];
+            float ctrlPointX = current[2];
+            float ctrlPointY = current[3];
+            float currentSegmentStartX = current[4];
+            float currentSegmentStartY = current[5];
+            float reflectiveCtrlPointX;
+            float reflectiveCtrlPointY;
 
             switch (cmd) {
                 case 'z':
                 case 'Z':
-                    path.closePath();
-                    cx = loopX;
-                    cy = loopY;
+                    path.close();
+                    // Path is closed here, but we need to move the pen to the
+                    // closed position. So we cache the segment's starting position,
+                    // and restore it here.
+                    currentX = currentSegmentStartX;
+                    currentY = currentSegmentStartY;
+                    ctrlPointX = currentSegmentStartX;
+                    ctrlPointY = currentSegmentStartY;
+                    path.moveTo(currentX, currentY);
+                    break;
                 case 'm':
                 case 'M':
                 case 'l':
@@ -432,185 +494,206 @@
                 case 'a':
                 case 'A':
                     incr = 7;
+                    break;
             }
 
             for (int k = 0; k < val.length; k += incr) {
-                boolean reflectCtrl;
-                float tempReflectedX, tempReflectedY;
-
                 switch (cmd) {
-                    case 'm':
-                        cx += val[k + 0];
-                        cy += val[k + 1];
+                    case 'm': // moveto - Start a new sub-path (relative)
+                        currentX += val[k + 0];
+                        currentY += val[k + 1];
+
                         if (k > 0) {
                             // According to the spec, if a moveto is followed by multiple
                             // pairs of coordinates, the subsequent pairs are treated as
                             // implicit lineto commands.
-                            path.lineTo(cx, cy);
+                            path.rLineTo(val[k + 0], val[k + 1]);
                         } else {
-                            path.moveTo(cx, cy);
-                            loopX = cx;
-                            loopY = cy;
+                            path.rMoveTo(val[k + 0], val[k + 1]);
+                            currentSegmentStartX = currentX;
+                            currentSegmentStartY = currentY;
                         }
                         break;
-                    case 'M':
-                        cx = val[k + 0];
-                        cy = val[k + 1];
+                    case 'M': // moveto - Start a new sub-path
+                        currentX = val[k + 0];
+                        currentY = val[k + 1];
+
                         if (k > 0) {
                             // According to the spec, if a moveto is followed by multiple
                             // pairs of coordinates, the subsequent pairs are treated as
                             // implicit lineto commands.
-                            path.lineTo(cx, cy);
+                            path.lineTo(val[k + 0], val[k + 1]);
                         } else {
-                            path.moveTo(cx, cy);
-                            loopX = cx;
-                            loopY = cy;
+                            path.moveTo(val[k + 0], val[k + 1]);
+                            currentSegmentStartX = currentX;
+                            currentSegmentStartY = currentY;
                         }
                         break;
-                    case 'l':
-                        cx += val[k + 0];
-                        cy += val[k + 1];
-                        path.lineTo(cx, cy);
+                    case 'l': // lineto - Draw a line from the current point (relative)
+                        path.rLineTo(val[k + 0], val[k + 1]);
+                        currentX += val[k + 0];
+                        currentY += val[k + 1];
                         break;
-                    case 'L':
-                        cx = val[k + 0];
-                        cy = val[k + 1];
-                        path.lineTo(cx, cy);
+                    case 'L': // lineto - Draw a line from the current point
+                        path.lineTo(val[k + 0], val[k + 1]);
+                        currentX = val[k + 0];
+                        currentY = val[k + 1];
                         break;
-                    case 'z':
-                    case 'Z':
-                        path.closePath();
-                        cx = loopX;
-                        cy = loopY;
+                    case 'h': // horizontal lineto - Draws a horizontal line (relative)
+                        path.rLineTo(val[k + 0], 0);
+                        currentX += val[k + 0];
                         break;
-                    case 'h':
-                        cx += val[k + 0];
-                        path.lineTo(cx, cy);
+                    case 'H': // horizontal lineto - Draws a horizontal line
+                        path.lineTo(val[k + 0], currentY);
+                        currentX = val[k + 0];
                         break;
-                    case 'H':
-                        path.lineTo(val[k + 0], cy);
-                        cx = val[k + 0];
+                    case 'v': // vertical lineto - Draws a vertical line from the current point (r)
+                        path.rLineTo(0, val[k + 0]);
+                        currentY += val[k + 0];
                         break;
-                    case 'v':
-                        cy += val[k + 0];
-                        path.lineTo(cx, cy);
+                    case 'V': // vertical lineto - Draws a vertical line from the current point
+                        path.lineTo(currentX, val[k + 0]);
+                        currentY = val[k + 0];
                         break;
-                    case 'V':
-                        path.lineTo(cx, val[k + 0]);
-                        cy = val[k + 0];
-                        break;
-                    case 'c':
-                        path.curveTo(cx + val[k + 0], cy + val[k + 1], cx + val[k + 2],
-                                cy + val[k + 3], cx + val[k + 4], cy + val[k + 5]);
-                        cpx = cx + val[k + 2];
-                        cpy = cy + val[k + 3];
-                        cx += val[k + 4];
-                        cy += val[k + 5];
-                        break;
-                    case 'C':
-                        path.curveTo(val[k + 0], val[k + 1], val[k + 2], val[k + 3],
+                    case 'c': // curveto - Draws a cubic Bézier curve (relative)
+                        path.rCubicTo(val[k + 0], val[k + 1], val[k + 2], val[k + 3],
                                 val[k + 4], val[k + 5]);
-                        cx = val[k + 4];
-                        cy = val[k + 5];
-                        cpx = val[k + 2];
-                        cpy = val[k + 3];
-                        break;
-                    case 's':
-                        reflectCtrl = (lastCmd == 'c' || lastCmd == 's' || lastCmd == 'C' ||
-                                lastCmd == 'S');
-                        path.curveTo(reflectCtrl ? 2 * cx - cpx : cx, reflectCtrl ? 2
-                                * cy - cpy : cy, cx + val[k + 0], cy + val[k + 1], cx
-                                + val[k + 2], cy + val[k + 3]);
 
-                        cpx = cx + val[k + 0];
-                        cpy = cy + val[k + 1];
-                        cx += val[k + 2];
-                        cy += val[k + 3];
+                        ctrlPointX = currentX + val[k + 2];
+                        ctrlPointY = currentY + val[k + 3];
+                        currentX += val[k + 4];
+                        currentY += val[k + 5];
+
                         break;
-                    case 'S':
-                        reflectCtrl = (lastCmd == 'c' || lastCmd == 's' || lastCmd == 'C' ||
-                                lastCmd == 'S');
-                        path.curveTo(reflectCtrl ? 2 * cx - cpx : cx, reflectCtrl ? 2
-                                        * cy - cpy : cy, val[k + 0], val[k + 1], val[k + 2],
-                                val[k + 3]);
-                        cpx = (val[k + 0]);
-                        cpy = (val[k + 1]);
-                        cx = val[k + 2];
-                        cy = val[k + 3];
+                    case 'C': // curveto - Draws a cubic Bézier curve
+                        path.cubicTo(val[k + 0], val[k + 1], val[k + 2], val[k + 3],
+                                val[k + 4], val[k + 5]);
+                        currentX = val[k + 4];
+                        currentY = val[k + 5];
+                        ctrlPointX = val[k + 2];
+                        ctrlPointY = val[k + 3];
                         break;
-                    case 'q':
-                        path.quadTo(cx + val[k + 0], cy + val[k + 1], cx + val[k + 2],
-                                cy + val[k + 3]);
-                        cpx = cx + val[k + 0];
-                        cpy = cy + val[k + 1];
-                        // Note that we have to update cpx first, since cx will be updated here.
-                        cx += val[k + 2];
-                        cy += val[k + 3];
+                    case 's': // smooth curveto - Draws a cubic Bézier curve (reflective cp)
+                        reflectiveCtrlPointX = 0;
+                        reflectiveCtrlPointY = 0;
+                        if (previousCmd == 'c' || previousCmd == 's'
+                                || previousCmd == 'C' || previousCmd == 'S') {
+                            reflectiveCtrlPointX = currentX - ctrlPointX;
+                            reflectiveCtrlPointY = currentY - ctrlPointY;
+                        }
+                        path.rCubicTo(reflectiveCtrlPointX, reflectiveCtrlPointY,
+                                val[k + 0], val[k + 1],
+                                val[k + 2], val[k + 3]);
+
+                        ctrlPointX = currentX + val[k + 0];
+                        ctrlPointY = currentY + val[k + 1];
+                        currentX += val[k + 2];
+                        currentY += val[k + 3];
                         break;
-                    case 'Q':
+                    case 'S': // shorthand/smooth curveto Draws a cubic Bézier curve(reflective cp)
+                        reflectiveCtrlPointX = currentX;
+                        reflectiveCtrlPointY = currentY;
+                        if (previousCmd == 'c' || previousCmd == 's'
+                                || previousCmd == 'C' || previousCmd == 'S') {
+                            reflectiveCtrlPointX = 2 * currentX - ctrlPointX;
+                            reflectiveCtrlPointY = 2 * currentY - ctrlPointY;
+                        }
+                        path.cubicTo(reflectiveCtrlPointX, reflectiveCtrlPointY,
+                                val[k + 0], val[k + 1], val[k + 2], val[k + 3]);
+                        ctrlPointX = val[k + 0];
+                        ctrlPointY = val[k + 1];
+                        currentX = val[k + 2];
+                        currentY = val[k + 3];
+                        break;
+                    case 'q': // Draws a quadratic Bézier (relative)
+                        path.rQuadTo(val[k + 0], val[k + 1], val[k + 2], val[k + 3]);
+                        ctrlPointX = currentX + val[k + 0];
+                        ctrlPointY = currentY + val[k + 1];
+                        currentX += val[k + 2];
+                        currentY += val[k + 3];
+                        break;
+                    case 'Q': // Draws a quadratic Bézier
                         path.quadTo(val[k + 0], val[k + 1], val[k + 2], val[k + 3]);
-                        cx = val[k + 2];
-                        cy = val[k + 3];
-                        cpx = val[k + 0];
-                        cpy = val[k + 1];
+                        ctrlPointX = val[k + 0];
+                        ctrlPointY = val[k + 1];
+                        currentX = val[k + 2];
+                        currentY = val[k + 3];
                         break;
-                    case 't':
-                        reflectCtrl = (lastCmd == 'q' || lastCmd == 't' || lastCmd == 'Q' ||
-                                lastCmd == 'T');
-                        tempReflectedX = reflectCtrl ? 2 * cx - cpx : cx;
-                        tempReflectedY = reflectCtrl ? 2 * cy - cpy : cy;
-                        path.quadTo(tempReflectedX, tempReflectedY, cx + val[k + 0],
-                                cy + val[k + 1]);
-                        cpx = tempReflectedX;
-                        cpy = tempReflectedY;
-                        cx += val[k + 0];
-                        cy += val[k + 1];
+                    case 't': // Draws a quadratic Bézier curve(reflective control point)(relative)
+                        reflectiveCtrlPointX = 0;
+                        reflectiveCtrlPointY = 0;
+                        if (previousCmd == 'q' || previousCmd == 't'
+                                || previousCmd == 'Q' || previousCmd == 'T') {
+                            reflectiveCtrlPointX = currentX - ctrlPointX;
+                            reflectiveCtrlPointY = currentY - ctrlPointY;
+                        }
+                        path.rQuadTo(reflectiveCtrlPointX, reflectiveCtrlPointY,
+                                val[k + 0], val[k + 1]);
+                        ctrlPointX = currentX + reflectiveCtrlPointX;
+                        ctrlPointY = currentY + reflectiveCtrlPointY;
+                        currentX += val[k + 0];
+                        currentY += val[k + 1];
                         break;
-                    case 'T':
-                        reflectCtrl = (lastCmd == 'q' || lastCmd == 't' || lastCmd == 'Q' ||
-                                lastCmd == 'T');
-                        tempReflectedX = reflectCtrl ? 2 * cx - cpx : cx;
-                        tempReflectedY = reflectCtrl ? 2 * cy - cpy : cy;
-                        path.quadTo(tempReflectedX, tempReflectedY, val[k + 0], val[k + 1]);
-                        cx = val[k + 0];
-                        cy = val[k + 1];
-                        cpx = tempReflectedX;
-                        cpy = tempReflectedY;
+                    case 'T': // Draws a quadratic Bézier curve (reflective control point)
+                        reflectiveCtrlPointX = currentX;
+                        reflectiveCtrlPointY = currentY;
+                        if (previousCmd == 'q' || previousCmd == 't'
+                                || previousCmd == 'Q' || previousCmd == 'T') {
+                            reflectiveCtrlPointX = 2 * currentX - ctrlPointX;
+                            reflectiveCtrlPointY = 2 * currentY - ctrlPointY;
+                        }
+                        path.quadTo(reflectiveCtrlPointX, reflectiveCtrlPointY,
+                                val[k + 0], val[k + 1]);
+                        ctrlPointX = reflectiveCtrlPointX;
+                        ctrlPointY = reflectiveCtrlPointY;
+                        currentX = val[k + 0];
+                        currentY = val[k + 1];
                         break;
-                    case 'a':
+                    case 'a': // Draws an elliptical arc
                         // (rx ry x-axis-rotation large-arc-flag sweep-flag x y)
-                        drawArc(path, cx, cy, val[k + 5] + cx, val[k + 6] + cy,
-                                val[k + 0], val[k + 1], val[k + 2], val[k + 3] != 0,
+                        drawArc(path,
+                                currentX,
+                                currentY,
+                                val[k + 5] + currentX,
+                                val[k + 6] + currentY,
+                                val[k + 0],
+                                val[k + 1],
+                                val[k + 2],
+                                val[k + 3] != 0,
                                 val[k + 4] != 0);
-                        cx += val[k + 5];
-                        cy += val[k + 6];
-                        cpx = cx;
-                        cpy = cy;
-
+                        currentX += val[k + 5];
+                        currentY += val[k + 6];
+                        ctrlPointX = currentX;
+                        ctrlPointY = currentY;
                         break;
-                    case 'A':
-                        drawArc(path, cx, cy, val[k + 5], val[k + 6], val[k + 0],
-                                val[k + 1], val[k + 2], val[k + 3] != 0,
+                    case 'A': // Draws an elliptical arc
+                        drawArc(path,
+                                currentX,
+                                currentY,
+                                val[k + 5],
+                                val[k + 6],
+                                val[k + 0],
+                                val[k + 1],
+                                val[k + 2],
+                                val[k + 3] != 0,
                                 val[k + 4] != 0);
-                        cx = val[k + 5];
-                        cy = val[k + 6];
-                        cpx = cx;
-                        cpy = cy;
+                        currentX = val[k + 5];
+                        currentY = val[k + 6];
+                        ctrlPointX = currentX;
+                        ctrlPointY = currentY;
                         break;
-
                 }
-                lastCmd = cmd;
+                previousCmd = cmd;
             }
-            current[0] = cx;
-            current[1] = cy;
-            current[2] = cpx;
-            current[3] = cpy;
-            current[4] = loopX;
-            current[5] = loopY;
-
+            current[0] = currentX;
+            current[1] = currentY;
+            current[2] = ctrlPointX;
+            current[3] = ctrlPointY;
+            current[4] = currentSegmentStartX;
+            current[5] = currentSegmentStartY;
         }
 
-        private static void drawArc(@NonNull Path2D p, float x0, float y0, float x1,
+        private static void drawArc(@NonNull Path_Delegate p, float x0, float y0, float x1,
                 float y1, float a, float b, float theta, boolean isMoreThanHalf,
                 boolean isPositiveArc) {
 
@@ -707,7 +790,7 @@
          * @param start The start angle of the arc on the ellipse
          * @param sweep The angle (positive or negative) of the sweep of the arc on the ellipse
          */
-        private static void arcToBezier(@NonNull Path2D p, double cx, double cy, double a,
+        private static void arcToBezier(@NonNull Path_Delegate p, double cx, double cy, double a,
                 double b, double e1x, double e1y, double theta, double start,
                 double sweep) {
             // Taken from equations at:
@@ -744,8 +827,12 @@
                 double q2x = e2x - alpha * ep2x;
                 double q2y = e2y - alpha * ep2y;
 
-                p.curveTo((float) q1x, (float) q1y, (float) q2x, (float) q2y,
-                        (float) e2x, (float) e2y);
+                p.cubicTo((float) q1x,
+                        (float) q1y,
+                        (float) q2x,
+                        (float) q2y,
+                        (float) e2x,
+                        (float) e2y);
                 eta1 = eta2;
                 e1x = e2x;
                 e1y = e2y;
diff --git a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
index d2103c8..97195e4 100644
--- a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
+++ b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
@@ -349,7 +349,7 @@
     }
 
     @Override
-    public void notifyAppStopped(IBinder token) throws RemoteException {
+    public void notifyAppStopped(IBinder token, boolean stopped) throws RemoteException {
         // TODO Auto-generated method stub
     }
 
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
index 99af226..53f1912 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
@@ -60,6 +60,7 @@
 import android.graphics.Bitmap;
 import android.graphics.Bitmap_Delegate;
 import android.graphics.Canvas;
+import android.os.Looper;
 import android.preference.Preference_Delegate;
 import android.view.AttachInfo_Accessor;
 import android.view.BridgeInflater;
@@ -1398,6 +1399,14 @@
     }
 
     public void dispose() {
+        boolean createdLooper = false;
+        if (Looper.myLooper() == null) {
+            // Detaching the root view from the window will try to stop any running animations.
+            // The stop method checks that it can run in the looper so, if there is no current
+            // looper, we create a temporary one to complete the shutdown.
+            Bridge.prepareThread();
+            createdLooper = true;
+        }
         AttachInfo_Accessor.detachFromWindow(mViewRoot);
         if (mCanvas != null) {
             mCanvas.release();
@@ -1412,5 +1421,9 @@
         mImage = null;
         mViewRoot = null;
         mContentRoot = null;
+
+        if (createdLooper) {
+            Bridge.cleanupThread();
+        }
     }
 }
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
index 8a23e4b..8c3bd2f 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
@@ -269,6 +269,7 @@
         "android.graphics.SweepGradient",
         "android.graphics.Typeface",
         "android.graphics.Xfermode",
+        "android.graphics.drawable.VectorDrawable",
         "android.os.SystemClock",
         "android.os.SystemProperties",
         "android.text.AndroidBidi",
@@ -321,7 +322,12 @@
             "org.kxml2.io.KXmlParser"
         };
 
+    /**
+     * List of fields for which we will update the visibility to be public. This is sometimes
+     * needed when access from the delegate classes is needed.
+     */
     private final static String[] PROMOTED_FIELDS = new String[] {
+        "android.graphics.drawable.VectorDrawable#mVectorState",
         "android.view.Choreographer#mLastFrameTimeNanos"
     };
 
diff --git a/wifi/java/android/net/wifi/WifiConfiguration.java b/wifi/java/android/net/wifi/WifiConfiguration.java
index ddd8f43..7dc8049 100644
--- a/wifi/java/android/net/wifi/WifiConfiguration.java
+++ b/wifi/java/android/net/wifi/WifiConfiguration.java
@@ -1357,6 +1357,7 @@
                 append(" PROVIDER-NAME: ").append(this.providerFriendlyName).
                 append(" BSSID: ").append(this.BSSID).append(" FQDN: ").append(this.FQDN)
                 .append(" PRIO: ").append(this.priority)
+                .append(" HIDDEN: ").append(this.hiddenSSID)
                 .append('\n');
 
 
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java
index e2dd111..a5bfd3c 100644
--- a/wifi/java/android/net/wifi/WifiManager.java
+++ b/wifi/java/android/net/wifi/WifiManager.java
@@ -889,24 +889,6 @@
     }
 
     /**
-     * Sets whether or not the given network is metered from a network policy
-     * point of view. A network should be classified as metered when the user is
-     * sensitive to heavy data usage on that connection due to monetary costs,
-     * data limitations or battery/performance issues. A typical example would
-     * be a wifi connection where the user was being charged for usage.
-     * @param netId the integer that identifies the network configuration
-     * to the supplicant.
-     * @param isMetered True to mark the network as metered.
-     * @return {@code true} if the operation succeeded.
-     * @hide
-     */
-    @SystemApi
-    public boolean setMetered(int netId, boolean isMetered) {
-        // TODO(jjoslin): Implement
-        return false;
-    }
-
-    /**
      * Remove the specified network from the list of configured networks.
      * This may result in the asynchronous delivery of state change
      * events.
diff --git a/wifi/java/android/net/wifi/WifiScanner.java b/wifi/java/android/net/wifi/WifiScanner.java
index 69e179d..97dd985 100644
--- a/wifi/java/android/net/wifi/WifiScanner.java
+++ b/wifi/java/android/net/wifi/WifiScanner.java
@@ -192,6 +192,11 @@
          * for a given period
          */
         public int stepCount;
+        /**
+         * Flag to indicate if the scan settings are targeted for PNO scan.
+         * {@hide}
+         */
+        public boolean isPnoScan;
 
         /** Implement the Parcelable interface {@hide} */
         public int describeContents() {
@@ -207,6 +212,7 @@
             dest.writeInt(maxScansToCache);
             dest.writeInt(maxPeriodInMs);
             dest.writeInt(stepCount);
+            dest.writeInt(isPnoScan ? 1 : 0);
 
             if (channels != null) {
                 dest.writeInt(channels.length);
@@ -234,6 +240,7 @@
                         settings.maxScansToCache = in.readInt();
                         settings.maxPeriodInMs = in.readInt();
                         settings.stepCount = in.readInt();
+                        settings.isPnoScan = in.readInt() == 1;
                         int num_channels = in.readInt();
                         settings.channels = new ChannelSpec[num_channels];
                         for (int i = 0; i < num_channels; i++) {
@@ -436,6 +443,158 @@
                 };
     }
 
+    /** {@hide} */
+    public static final String PNO_PARAMS_PNO_SETTINGS_KEY = "PnoSettings";
+    /** {@hide} */
+    public static final String PNO_PARAMS_SCAN_SETTINGS_KEY = "ScanSettings";
+    /**
+     * PNO scan configuration parameters to be sent to {@link #startPnoScan}.
+     * Note: This structure needs to be in sync with |wifi_epno_params| struct in gscan HAL API.
+     * {@hide}
+     */
+    public static class PnoSettings implements Parcelable {
+        /**
+         * Pno network to be added to the PNO scan filtering.
+         * {@hide}
+         */
+        public static class PnoNetwork {
+            /*
+             * Pno flags bitmask to be set in {@link #PnoNetwork.flags}
+             */
+            /** Whether directed scan needs to be performed (for hidden SSIDs) */
+            public static final byte FLAG_DIRECTED_SCAN = (1 << 0);
+            /** Whether PNO event shall be triggered if the network is found on A band */
+            public static final byte FLAG_A_BAND = (1 << 1);
+            /** Whether PNO event shall be triggered if the network is found on G band */
+            public static final byte FLAG_G_BAND = (1 << 2);
+            /**
+             * Whether strict matching is required
+             * If required then the firmware must store the network's SSID and not just a hash
+             */
+            public static final byte FLAG_STRICT_MATCH = (1 << 3);
+            /**
+             * If this SSID should be considered the same network as the currently connected
+             * one for scoring.
+             */
+            public static final byte FLAG_SAME_NETWORK = (1 << 4);
+
+            /*
+             * Code for matching the beacon AUTH IE - additional codes. Bitmask to be set in
+             * {@link #PnoNetwork.authBitField}
+             */
+            /** Open Network */
+            public static final byte AUTH_CODE_OPEN = (1 << 0);
+            /** WPA_PSK or WPA2PSK */
+            public static final byte AUTH_CODE_PSK = (1 << 1);
+            /** any EAPOL */
+            public static final byte AUTH_CODE_EAPOL = (1 << 2);
+
+            /** SSID of the network */
+            public String ssid;
+            /** Network ID in wpa_supplicant */
+            public int networkId;
+            /** Assigned priority for the network */
+            public int priority;
+            /** Bitmask of the FLAG_XXX */
+            public byte flags;
+            /** Bitmask of the ATUH_XXX */
+            public byte authBitField;
+
+            /**
+             * default constructor for PnoNetwork
+             */
+            public PnoNetwork(String ssid) {
+                this.ssid = ssid;
+                flags = 0;
+                authBitField = 0;
+            }
+        }
+
+        /** Connected vs Disconnected PNO flag {@hide} */
+        public boolean isConnected;
+        /** Minimum 5GHz RSSI for a BSSID to be considered */
+        public int min5GHzRssi;
+        /** Minimum 2.4GHz RSSI for a BSSID to be considered */
+        public int min24GHzRssi;
+        /** Maximum score that a network can have before bonuses */
+        public int initialScoreMax;
+        /**
+         *  Only report when there is a network's score this much higher
+         *  than the current connection.
+         */
+        public int currentConnectionBonus;
+        /** score bonus for all networks with the same network flag */
+        public int sameNetworkBonus;
+        /** score bonus for networks that are not open */
+        public int secureBonus;
+        /** 5GHz RSSI score bonus (applied to all 5GHz networks) */
+        public int band5GHzBonus;
+        /** Pno Network filter list */
+        public PnoNetwork[] networkList;
+
+        /** Implement the Parcelable interface {@hide} */
+        public int describeContents() {
+            return 0;
+        }
+
+        /** Implement the Parcelable interface {@hide} */
+        public void writeToParcel(Parcel dest, int flags) {
+            dest.writeInt(isConnected ? 1 : 0);
+            dest.writeInt(min5GHzRssi);
+            dest.writeInt(min24GHzRssi);
+            dest.writeInt(initialScoreMax);
+            dest.writeInt(currentConnectionBonus);
+            dest.writeInt(sameNetworkBonus);
+            dest.writeInt(secureBonus);
+            dest.writeInt(band5GHzBonus);
+            if (networkList != null) {
+                dest.writeInt(networkList.length);
+                for (int i = 0; i < networkList.length; i++) {
+                    dest.writeString(networkList[i].ssid);
+                    dest.writeInt(networkList[i].networkId);
+                    dest.writeInt(networkList[i].priority);
+                    dest.writeByte(networkList[i].flags);
+                    dest.writeByte(networkList[i].authBitField);
+                }
+            } else {
+                dest.writeInt(0);
+            }
+        }
+
+        /** Implement the Parcelable interface {@hide} */
+        public static final Creator<PnoSettings> CREATOR =
+                new Creator<PnoSettings>() {
+                    public PnoSettings createFromParcel(Parcel in) {
+                        PnoSettings settings = new PnoSettings();
+                        settings.isConnected = in.readInt() == 1;
+                        settings.min5GHzRssi = in.readInt();
+                        settings.min24GHzRssi = in.readInt();
+                        settings.initialScoreMax = in.readInt();
+                        settings.currentConnectionBonus = in.readInt();
+                        settings.sameNetworkBonus = in.readInt();
+                        settings.secureBonus = in.readInt();
+                        settings.band5GHzBonus = in.readInt();
+                        int numNetworks = in.readInt();
+                        settings.networkList = new PnoNetwork[numNetworks];
+                        for (int i = 0; i < numNetworks; i++) {
+                            String ssid = in.readString();
+                            PnoNetwork network = new PnoNetwork(ssid);
+                            network.networkId = in.readInt();
+                            network.priority = in.readInt();
+                            network.flags = in.readByte();
+                            network.authBitField = in.readByte();
+                            settings.networkList[i] = network;
+                        }
+                        return settings;
+                    }
+
+                    public PnoSettings[] newArray(int size) {
+                        return new PnoSettings[size];
+                    }
+                };
+
+    }
+
     /**
      * interface to get scan events on; specify this on {@link #startBackgroundScan} or
      * {@link #startScan}
@@ -456,6 +615,18 @@
         public void onFullResult(ScanResult fullScanResult);
     }
 
+    /**
+     * interface to get PNO scan events on; specify this on {@link #startDisconnectedPnoScan} and
+     * {@link #startConnectedPnoScan}.
+     * {@hide}
+     */
+    public interface PnoScanListener extends ScanListener {
+        /**
+         * Invoked when one of the PNO networks are found in scan results.
+         */
+        void onPnoNetworkFound(ScanResult[] results);
+    }
+
     /** start wifi scan in background
      * @param settings specifies various parameters for the scan; for more information look at
      * {@link ScanSettings}
@@ -521,6 +692,75 @@
         sAsyncChannel.sendMessage(CMD_STOP_SINGLE_SCAN, 0, key);
     }
 
+    private void startPnoScan(ScanSettings scanSettings, PnoSettings pnoSettings, int key) {
+        // Bundle up both the settings and send it across.
+        Bundle pnoParams = new Bundle();
+        if (pnoParams == null) return;
+        // Set the PNO scan flag.
+        scanSettings.isPnoScan = true;
+        pnoParams.putParcelable(PNO_PARAMS_SCAN_SETTINGS_KEY, scanSettings);
+        pnoParams.putParcelable(PNO_PARAMS_PNO_SETTINGS_KEY, pnoSettings);
+        sAsyncChannel.sendMessage(CMD_START_PNO_SCAN, 0, key, pnoParams);
+    }
+    /**
+     * Start wifi connected PNO scan
+     * @param scanSettings specifies various parameters for the scan; for more information look at
+     * {@link ScanSettings}
+     * @param pnoSettings specifies various parameters for PNO; for more information look at
+     * {@link PnoSettings}
+     * @param listener specifies the object to report events to. This object is also treated as a
+     *                 key for this scan, and must also be specified to cancel the scan. Multiple
+     *                 scans should also not share this object.
+     * {@hide}
+     */
+    public void startConnectedPnoScan(ScanSettings scanSettings, PnoSettings pnoSettings,
+            PnoScanListener listener) {
+        Preconditions.checkNotNull(listener, "listener cannot be null");
+        Preconditions.checkNotNull(pnoSettings, "pnoSettings cannot be null");
+        int key = addListener(listener);
+        if (key == INVALID_KEY) return;
+        validateChannel();
+        pnoSettings.isConnected = true;
+        startPnoScan(scanSettings, pnoSettings, key);
+    }
+    /**
+     * Start wifi disconnected PNO scan
+     * @param scanSettings specifies various parameters for the scan; for more information look at
+     * {@link ScanSettings}
+     * @param pnoSettings specifies various parameters for PNO; for more information look at
+     * {@link PnoSettings}
+     * @param listener specifies the object to report events to. This object is also treated as a
+     *                 key for this scan, and must also be specified to cancel the scan. Multiple
+     *                 scans should also not share this object.
+     * {@hide}
+     */
+    public void startDisconnectedPnoScan(ScanSettings scanSettings, PnoSettings pnoSettings,
+            PnoScanListener listener) {
+        Preconditions.checkNotNull(listener, "listener cannot be null");
+        Preconditions.checkNotNull(pnoSettings, "pnoSettings cannot be null");
+        int key = addListener(listener);
+        if (key == INVALID_KEY) return;
+        validateChannel();
+        pnoSettings.isConnected = false;
+        startPnoScan(scanSettings, pnoSettings, key);
+    }
+    /**
+     * Stop an ongoing wifi PNO scan
+     * @param pnoSettings specifies various parameters for PNO; for more information look at
+     * {@link PnoSettings}
+     * @param listener specifies which scan to cancel; must be same object as passed in {@link
+     *  #startPnoScan}
+     * TODO(rpius): Check if we can remove pnoSettings param in stop.
+     * {@hide}
+     */
+    public void stopPnoScan(PnoSettings pnoSettings, ScanListener listener) {
+        Preconditions.checkNotNull(listener, "listener cannot be null");
+        int key = removeListener(listener);
+        if (key == INVALID_KEY) return;
+        validateChannel();
+        sAsyncChannel.sendMessage(CMD_STOP_PNO_SCAN, 0, key, pnoSettings);
+    }
+
     /** specifies information about an access point of interest */
     public static class BssidInfo {
         /** bssid of the access point; in XX:XX:XX:XX:XX:XX format */
@@ -824,6 +1064,12 @@
     public static final int CMD_STOP_SINGLE_SCAN            = BASE + 22;
     /** @hide */
     public static final int CMD_SINGLE_SCAN_COMPLETED       = BASE + 23;
+    /** @hide */
+    public static final int CMD_START_PNO_SCAN              = BASE + 24;
+    /** @hide */
+    public static final int CMD_STOP_PNO_SCAN               = BASE + 25;
+    /** @hide */
+    public static final int CMD_PNO_NETWORK_FOUND           = BASE + 26;
 
     private Context mContext;
     private IWifiScanner mService;
@@ -1110,6 +1356,10 @@
                     if (DBG) Log.d(TAG, "removing listener for single scan");
                     removeListener(msg.arg2);
                     break;
+                case CMD_PNO_NETWORK_FOUND:
+                    ((PnoScanListener) listener).onPnoNetworkFound(
+                            ((ParcelableScanResults) msg.obj).getResults());
+                    return;
                 default:
                     if (DBG) Log.d(TAG, "Ignoring message " + msg.what);
                     return;