Merge "Make AccountManagerServiceTest work again" into nyc-dev
diff --git a/api/current.txt b/api/current.txt
index 53738dc..732c500 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -19857,8 +19857,8 @@
 
   public class AudioRecord implements android.media.AudioRouting {
     ctor public AudioRecord(int, int, int, int, int) throws java.lang.IllegalArgumentException;
+    method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioRecord.OnRoutingChangedListener, android.os.Handler);
-    method public void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public int getAudioFormat();
     method public int getAudioSessionId();
     method public int getAudioSource();
@@ -19883,8 +19883,8 @@
     method public int read(java.nio.ByteBuffer, int);
     method public int read(java.nio.ByteBuffer, int, int);
     method public void release();
+    method public void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public deprecated void removeOnRoutingChangedListener(android.media.AudioRecord.OnRoutingChangedListener);
-    method public void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public int setNotificationMarkerPosition(int);
     method public int setPositionNotificationPeriod(int);
     method public boolean setPreferredDevice(android.media.AudioDeviceInfo);
@@ -19918,8 +19918,9 @@
     method public abstract void onPeriodicNotification(android.media.AudioRecord);
   }
 
-  public static abstract interface AudioRecord.OnRoutingChangedListener {
+  public static abstract deprecated interface AudioRecord.OnRoutingChangedListener implements android.media.AudioRouting.OnRoutingChangedListener {
     method public abstract void onRoutingChanged(android.media.AudioRecord);
+    method public default void onRoutingChanged(android.media.AudioRouting);
   }
 
   public final class AudioRecordingConfiguration implements android.os.Parcelable {
@@ -19934,10 +19935,10 @@
   }
 
   public abstract interface AudioRouting {
-    method public abstract void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
+    method public abstract void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public abstract android.media.AudioDeviceInfo getPreferredDevice();
     method public abstract android.media.AudioDeviceInfo getRoutedDevice();
-    method public abstract void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
+    method public abstract void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public abstract boolean setPreferredDevice(android.media.AudioDeviceInfo);
   }
 
@@ -19957,8 +19958,8 @@
     ctor public AudioTrack(int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(int, int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(android.media.AudioAttributes, android.media.AudioFormat, int, int, int) throws java.lang.IllegalArgumentException;
+    method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener, android.os.Handler);
-    method public void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public int attachAuxEffect(int);
     method public void flush();
     method public int getAudioFormat();
@@ -19990,8 +19991,8 @@
     method public void play() throws java.lang.IllegalStateException;
     method public void release();
     method public int reloadStaticData();
+    method public void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public deprecated void removeOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener);
-    method public void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public int setAuxEffectSendLevel(float);
     method public int setBufferSizeInFrames(int);
     method public int setLoopPoints(int, int, int);
@@ -20045,8 +20046,9 @@
     method public abstract void onPeriodicNotification(android.media.AudioTrack);
   }
 
-  public static abstract deprecated interface AudioTrack.OnRoutingChangedListener {
-    method public abstract deprecated void onRoutingChanged(android.media.AudioTrack);
+  public static abstract deprecated interface AudioTrack.OnRoutingChangedListener implements android.media.AudioRouting.OnRoutingChangedListener {
+    method public abstract void onRoutingChanged(android.media.AudioTrack);
+    method public default void onRoutingChanged(android.media.AudioRouting);
   }
 
   public class CamcorderProfile {
@@ -20722,10 +20724,12 @@
     field public static final int VP9Level6 = 1024; // 0x400
     field public static final int VP9Level61 = 2048; // 0x800
     field public static final int VP9Level62 = 4096; // 0x1000
-    field public static final int VP9Profile0 = 0; // 0x0
-    field public static final int VP9Profile1 = 1; // 0x1
-    field public static final int VP9Profile2 = 2; // 0x2
-    field public static final int VP9Profile3 = 3; // 0x3
+    field public static final int VP9Profile0 = 1; // 0x1
+    field public static final int VP9Profile1 = 2; // 0x2
+    field public static final int VP9Profile2 = 4; // 0x4
+    field public static final int VP9Profile2HDR = 4096; // 0x1000
+    field public static final int VP9Profile3 = 8; // 0x8
+    field public static final int VP9Profile3HDR = 8192; // 0x2000
     field public int level;
     field public int profile;
   }
diff --git a/api/system-current.txt b/api/system-current.txt
index ea83257..56b2f58 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -21336,8 +21336,8 @@
   public class AudioRecord implements android.media.AudioRouting {
     ctor public AudioRecord(int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioRecord(android.media.AudioAttributes, android.media.AudioFormat, int, int) throws java.lang.IllegalArgumentException;
+    method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioRecord.OnRoutingChangedListener, android.os.Handler);
-    method public void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public int getAudioFormat();
     method public int getAudioSessionId();
     method public int getAudioSource();
@@ -21362,8 +21362,8 @@
     method public int read(java.nio.ByteBuffer, int);
     method public int read(java.nio.ByteBuffer, int, int);
     method public void release();
+    method public void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public deprecated void removeOnRoutingChangedListener(android.media.AudioRecord.OnRoutingChangedListener);
-    method public void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public int setNotificationMarkerPosition(int);
     method public int setPositionNotificationPeriod(int);
     method public boolean setPreferredDevice(android.media.AudioDeviceInfo);
@@ -21399,8 +21399,9 @@
     method public abstract void onPeriodicNotification(android.media.AudioRecord);
   }
 
-  public static abstract interface AudioRecord.OnRoutingChangedListener {
+  public static abstract deprecated interface AudioRecord.OnRoutingChangedListener implements android.media.AudioRouting.OnRoutingChangedListener {
     method public abstract void onRoutingChanged(android.media.AudioRecord);
+    method public default void onRoutingChanged(android.media.AudioRouting);
   }
 
   public final class AudioRecordingConfiguration implements android.os.Parcelable {
@@ -21415,10 +21416,10 @@
   }
 
   public abstract interface AudioRouting {
-    method public abstract void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
+    method public abstract void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public abstract android.media.AudioDeviceInfo getPreferredDevice();
     method public abstract android.media.AudioDeviceInfo getRoutedDevice();
-    method public abstract void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
+    method public abstract void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public abstract boolean setPreferredDevice(android.media.AudioDeviceInfo);
   }
 
@@ -21438,8 +21439,8 @@
     ctor public AudioTrack(int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(int, int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(android.media.AudioAttributes, android.media.AudioFormat, int, int, int) throws java.lang.IllegalArgumentException;
+    method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener, android.os.Handler);
-    method public void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public int attachAuxEffect(int);
     method public void flush();
     method public int getAudioFormat();
@@ -21471,8 +21472,8 @@
     method public void play() throws java.lang.IllegalStateException;
     method public void release();
     method public int reloadStaticData();
+    method public void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public deprecated void removeOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener);
-    method public void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public int setAuxEffectSendLevel(float);
     method public int setBufferSizeInFrames(int);
     method public int setLoopPoints(int, int, int);
@@ -21526,8 +21527,9 @@
     method public abstract void onPeriodicNotification(android.media.AudioTrack);
   }
 
-  public static abstract deprecated interface AudioTrack.OnRoutingChangedListener {
-    method public abstract deprecated void onRoutingChanged(android.media.AudioTrack);
+  public static abstract deprecated interface AudioTrack.OnRoutingChangedListener implements android.media.AudioRouting.OnRoutingChangedListener {
+    method public abstract void onRoutingChanged(android.media.AudioTrack);
+    method public default void onRoutingChanged(android.media.AudioRouting);
   }
 
   public class CamcorderProfile {
@@ -22203,10 +22205,12 @@
     field public static final int VP9Level6 = 1024; // 0x400
     field public static final int VP9Level61 = 2048; // 0x800
     field public static final int VP9Level62 = 4096; // 0x1000
-    field public static final int VP9Profile0 = 0; // 0x0
-    field public static final int VP9Profile1 = 1; // 0x1
-    field public static final int VP9Profile2 = 2; // 0x2
-    field public static final int VP9Profile3 = 3; // 0x3
+    field public static final int VP9Profile0 = 1; // 0x1
+    field public static final int VP9Profile1 = 2; // 0x2
+    field public static final int VP9Profile2 = 4; // 0x4
+    field public static final int VP9Profile2HDR = 4096; // 0x1000
+    field public static final int VP9Profile3 = 8; // 0x8
+    field public static final int VP9Profile3HDR = 8192; // 0x2000
     field public int level;
     field public int profile;
   }
diff --git a/api/test-current.txt b/api/test-current.txt
index caf3231..e837cd0 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -19923,8 +19923,8 @@
 
   public class AudioRecord implements android.media.AudioRouting {
     ctor public AudioRecord(int, int, int, int, int) throws java.lang.IllegalArgumentException;
+    method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioRecord.OnRoutingChangedListener, android.os.Handler);
-    method public void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public int getAudioFormat();
     method public int getAudioSessionId();
     method public int getAudioSource();
@@ -19949,8 +19949,8 @@
     method public int read(java.nio.ByteBuffer, int);
     method public int read(java.nio.ByteBuffer, int, int);
     method public void release();
+    method public void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public deprecated void removeOnRoutingChangedListener(android.media.AudioRecord.OnRoutingChangedListener);
-    method public void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public int setNotificationMarkerPosition(int);
     method public int setPositionNotificationPeriod(int);
     method public boolean setPreferredDevice(android.media.AudioDeviceInfo);
@@ -19984,8 +19984,9 @@
     method public abstract void onPeriodicNotification(android.media.AudioRecord);
   }
 
-  public static abstract interface AudioRecord.OnRoutingChangedListener {
+  public static abstract deprecated interface AudioRecord.OnRoutingChangedListener implements android.media.AudioRouting.OnRoutingChangedListener {
     method public abstract void onRoutingChanged(android.media.AudioRecord);
+    method public default void onRoutingChanged(android.media.AudioRouting);
   }
 
   public final class AudioRecordingConfiguration implements android.os.Parcelable {
@@ -20000,10 +20001,10 @@
   }
 
   public abstract interface AudioRouting {
-    method public abstract void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
+    method public abstract void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public abstract android.media.AudioDeviceInfo getPreferredDevice();
     method public abstract android.media.AudioDeviceInfo getRoutedDevice();
-    method public abstract void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
+    method public abstract void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public abstract boolean setPreferredDevice(android.media.AudioDeviceInfo);
   }
 
@@ -20023,8 +20024,8 @@
     ctor public AudioTrack(int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(int, int, int, int, int, int, int) throws java.lang.IllegalArgumentException;
     ctor public AudioTrack(android.media.AudioAttributes, android.media.AudioFormat, int, int, int) throws java.lang.IllegalArgumentException;
+    method public void addOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public deprecated void addOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener, android.os.Handler);
-    method public void addOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener, android.os.Handler);
     method public int attachAuxEffect(int);
     method public void flush();
     method public int getAudioFormat();
@@ -20056,8 +20057,8 @@
     method public void play() throws java.lang.IllegalStateException;
     method public void release();
     method public int reloadStaticData();
+    method public void removeOnRoutingChangedListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public deprecated void removeOnRoutingChangedListener(android.media.AudioTrack.OnRoutingChangedListener);
-    method public void removeOnRoutingListener(android.media.AudioRouting.OnRoutingChangedListener);
     method public int setAuxEffectSendLevel(float);
     method public int setBufferSizeInFrames(int);
     method public int setLoopPoints(int, int, int);
@@ -20111,8 +20112,9 @@
     method public abstract void onPeriodicNotification(android.media.AudioTrack);
   }
 
-  public static abstract deprecated interface AudioTrack.OnRoutingChangedListener {
-    method public abstract deprecated void onRoutingChanged(android.media.AudioTrack);
+  public static abstract deprecated interface AudioTrack.OnRoutingChangedListener implements android.media.AudioRouting.OnRoutingChangedListener {
+    method public abstract void onRoutingChanged(android.media.AudioTrack);
+    method public default void onRoutingChanged(android.media.AudioRouting);
   }
 
   public class CamcorderProfile {
@@ -20788,10 +20790,12 @@
     field public static final int VP9Level6 = 1024; // 0x400
     field public static final int VP9Level61 = 2048; // 0x800
     field public static final int VP9Level62 = 4096; // 0x1000
-    field public static final int VP9Profile0 = 0; // 0x0
-    field public static final int VP9Profile1 = 1; // 0x1
-    field public static final int VP9Profile2 = 2; // 0x2
-    field public static final int VP9Profile3 = 3; // 0x3
+    field public static final int VP9Profile0 = 1; // 0x1
+    field public static final int VP9Profile1 = 2; // 0x2
+    field public static final int VP9Profile2 = 4; // 0x4
+    field public static final int VP9Profile2HDR = 4096; // 0x1000
+    field public static final int VP9Profile3 = 8; // 0x8
+    field public static final int VP9Profile3HDR = 8192; // 0x2000
     field public int level;
     field public int profile;
   }
diff --git a/core/java/android/hardware/location/NanoApp.java b/core/java/android/hardware/location/NanoApp.java
index 8d50be6..03ac4a2 100644
--- a/core/java/android/hardware/location/NanoApp.java
+++ b/core/java/android/hardware/location/NanoApp.java
@@ -192,7 +192,7 @@
      * @return publisher name
      */
     public String getPublisher() {
-      return mPublisher;
+        return mPublisher;
     }
 
     /**
@@ -201,7 +201,7 @@
      * @return app name
      */
     public String getName() {
-    return mName;
+        return mName;
     }
 
     /**
@@ -210,7 +210,7 @@
      * @return identifier for this app
      */
     public int getAppId() {
-      return mAppId;
+        return mAppId;
     }
 
     /**
@@ -219,7 +219,7 @@
      * @return app version
      */
     public int getAppVersion() {
-      return mAppVersion;
+        return mAppVersion;
     }
 
     /**
@@ -228,7 +228,7 @@
      * @return readable memory needed in bytes
      */
     public int getNeededReadMemBytes() {
-      return mNeededReadMemBytes;
+        return mNeededReadMemBytes;
     }
 
     /**
@@ -237,7 +237,7 @@
      * @return writable memory needed in bytes
      */
     public int getNeededWriteMemBytes() {
-      return mNeededWriteMemBytes;
+        return mNeededWriteMemBytes;
     }
 
     /**
@@ -246,7 +246,7 @@
      * @return executable memory needed in bytes
      */
     public int getNeededExecMemBytes() {
-      return mNeededExecMemBytes;
+        return mNeededExecMemBytes;
     }
 
     /**
@@ -255,7 +255,7 @@
      * @return sensors needed
      */
     public int[] getNeededSensors() {
-      return mNeededSensors;
+        return mNeededSensors;
     }
 
     /**
@@ -264,7 +264,7 @@
      * @return generated events
      */
     public int[] getOutputEvents() {
-      return mOutputEvents;
+        return mOutputEvents;
     }
 
     /**
@@ -273,7 +273,7 @@
      * @return app binary
      */
     public byte[] getAppBinary() {
-      return mAppBinary;
+        return mAppBinary;
     }
 
     private NanoApp(Parcel in) {
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 2a3c3fe..638be51 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -6666,6 +6666,17 @@
        public static final String DEVICE_PROVISIONED = "device_provisioned";
 
        /**
+        * Whether mobile data should be allowed while the device is being provisioned.
+        * This allows the provisioning process to turn off mobile data before the user
+        * has an opportunity to set things up, preventing other processes from burning
+        * precious bytes before wifi is setup.
+        * (0 = false, 1 = true)
+        * @hide
+        */
+       public static final String DEVICE_PROVISIONING_MOBILE_DATA_ENABLED =
+               "device_provisioning_mobile_data";
+
+       /**
         * The saved value for WindowManagerService.setForcedDisplaySize().
         * Two integers separated by a comma.  If unset, then use the real display size.
         * @hide
diff --git a/core/java/android/view/ThreadedRenderer.java b/core/java/android/view/ThreadedRenderer.java
index f44d4c1a..c972476 100644
--- a/core/java/android/view/ThreadedRenderer.java
+++ b/core/java/android/view/ThreadedRenderer.java
@@ -485,25 +485,15 @@
     }
 
     /**
-     * Halts any current rendering into the surface. Use this if it is unclear whether
+     * Stops any rendering into the surface. Use this if it is unclear whether
      * or not the surface used by the HardwareRenderer will be changing. It
-     * Suspends any rendering into the surface, but will not do any destruction.
-     *
-     * Any subsequent draws will override the pause, resuming normal operation.
+     * Suspends any rendering into the surface, but will not do any destruction
      */
     boolean pauseSurface(Surface surface) {
         return nPauseSurface(mNativeProxy, surface);
     }
 
     /**
-     * Hard stops or resumes rendering into the surface. This flag is used to
-     * determine whether or not it is safe to use the given surface *at all*
-     */
-    void setStopped(boolean stopped) {
-        nSetStopped(mNativeProxy, stopped);
-    }
-
-    /**
      * Destroys all hardware rendering resources associated with the specified
      * view hierarchy.
      *
@@ -998,7 +988,6 @@
     private static native void nInitialize(long nativeProxy, Surface window);
     private static native void nUpdateSurface(long nativeProxy, Surface window);
     private static native boolean nPauseSurface(long nativeProxy, Surface window);
-    private static native void nSetStopped(long nativeProxy, boolean stopped);
     private static native void nSetup(long nativeProxy, int width, int height,
             float lightRadius, int ambientShadowAlpha, int spotShadowAlpha);
     private static native void nSetLightCenter(long nativeProxy,
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 94c4cef..a324767 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -1079,16 +1079,13 @@
     void setWindowStopped(boolean stopped) {
         if (mStopped != stopped) {
             mStopped = stopped;
-            final ThreadedRenderer renderer = mAttachInfo.mHardwareRenderer;
-            if (renderer != null) {
-                if (DEBUG_DRAW) Log.d(mTag, "WindowStopped on " + getTitle() + " set to " + mStopped);
-                renderer.setStopped(mStopped);
-            }
             if (!mStopped) {
                 scheduleTraversals();
             } else {
-                if (renderer != null) {
-                    renderer.destroyHardwareResources(mView);
+                if (mAttachInfo.mHardwareRenderer != null) {
+                    if (DEBUG_DRAW) Log.d(mTag, "WindowStopped on " + getTitle());
+                    mAttachInfo.mHardwareRenderer.updateSurface(null);
+                    mAttachInfo.mHardwareRenderer.destroyHardwareResources(mView);
                 }
             }
         }
diff --git a/core/java/com/android/internal/inputmethod/InputMethodSubtypeSwitchingController.java b/core/java/com/android/internal/inputmethod/InputMethodSubtypeSwitchingController.java
index 46b49de..8d11783 100644
--- a/core/java/com/android/internal/inputmethod/InputMethodSubtypeSwitchingController.java
+++ b/core/java/com/android/internal/inputmethod/InputMethodSubtypeSwitchingController.java
@@ -16,6 +16,7 @@
 
 package com.android.internal.inputmethod;
 
+import android.annotation.Nullable;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.text.TextUtils;
@@ -284,8 +285,22 @@
             return -1;
         }
 
+        /**
+         * Provides the basic operation to implement bi-directional IME rotation.
+         * @param onlyCurrentIme {@code true} to limit the search space to IME subtypes that belong
+         * to {@code imi}.
+         * @param imi {@link InputMethodInfo} that will be used in conjunction with {@code subtype}
+         * from which we find the adjacent IME subtype.
+         * @param subtype {@link InputMethodSubtype} that will be used in conjunction with
+         * {@code imi} from which we find the next IME subtype.  {@code null} if the input method
+         * does not have a subtype.
+         * @param forward {@code true} to do forward search the next IME subtype. Specify
+         * {@code false} to do backward search.
+         * @return The IME subtype found. {@code null} if no IME subtype is found.
+         */
+        @Nullable
         public ImeSubtypeListItem getNextInputMethodLocked(boolean onlyCurrentIme,
-                InputMethodInfo imi, InputMethodSubtype subtype, boolean forward) {
+                InputMethodInfo imi, @Nullable InputMethodSubtype subtype, boolean forward) {
             if (imi == null) {
                 return null;
             }
@@ -298,7 +313,7 @@
             }
             final int N = mImeSubtypeList.size();
             for (int i = 1; i < N; ++i) {
-                // Start searching the next IME/subtype from the next of the current index.
+                // Start searching the next IME/subtype from +/- 1 indices.
                 final int offset = forward ? i : N - i;
                 final int candidateIndex = (currentIndex + offset) % N;
                 final ImeSubtypeListItem candidate = mImeSubtypeList.get(candidateIndex);
@@ -371,8 +386,22 @@
             mUsageHistoryOfSubtypeListItemIndex[0] = currentItemIndex;
         }
 
+        /**
+         * Provides the basic operation to implement bi-directional IME rotation.
+         * @param onlyCurrentIme {@code true} to limit the search space to IME subtypes that belong
+         * to {@code imi}.
+         * @param imi {@link InputMethodInfo} that will be used in conjunction with {@code subtype}
+         * from which we find the adjacent IME subtype.
+         * @param subtype {@link InputMethodSubtype} that will be used in conjunction with
+         * {@code imi} from which we find the next IME subtype.  {@code null} if the input method
+         * does not have a subtype.
+         * @param forward {@code true} to do forward search the next IME subtype. Specify
+         * {@code false} to do backward search.
+         * @return The IME subtype found. {@code null} if no IME subtype is found.
+         */
+        @Nullable
         public ImeSubtypeListItem getNextInputMethodLocked(boolean onlyCurrentIme,
-                InputMethodInfo imi, InputMethodSubtype subtype, boolean forward) {
+                InputMethodInfo imi, @Nullable InputMethodSubtype subtype, boolean forward) {
             int currentUsageRank = getUsageRank(imi, subtype);
             if (currentUsageRank < 0) {
                 if (DEBUG) {
@@ -456,8 +485,22 @@
             mSwitchingUnawareRotationList = switchingUnawareRotationList;
         }
 
+        /**
+         * Provides the basic operation to implement bi-directional IME rotation.
+         * @param onlyCurrentIme {@code true} to limit the search space to IME subtypes that belong
+         * to {@code imi}.
+         * @param imi {@link InputMethodInfo} that will be used in conjunction with {@code subtype}
+         * from which we find the adjacent IME subtype.
+         * @param subtype {@link InputMethodSubtype} that will be used in conjunction with
+         * {@code imi} from which we find the next IME subtype.  {@code null} if the input method
+         * does not have a subtype.
+         * @param forward {@code true} to do forward search the next IME subtype. Specify
+         * {@code false} to do backward search.
+         * @return The IME subtype found. {@code null} if no IME subtype is found.
+         */
+        @Nullable
         public ImeSubtypeListItem getNextInputMethod(boolean onlyCurrentIme, InputMethodInfo imi,
-                InputMethodSubtype subtype, boolean forward) {
+                @Nullable InputMethodSubtype subtype, boolean forward) {
             if (imi == null) {
                 return null;
             }
diff --git a/core/jni/android_hardware_location_ContextHubService.cpp b/core/jni/android_hardware_location_ContextHubService.cpp
index 91a3b4f..90d69d2 100644
--- a/core/jni/android_hardware_location_ContextHubService.cpp
+++ b/core/jni/android_hardware_location_ContextHubService.cpp
@@ -21,8 +21,8 @@
 
 #include <inttypes.h>
 #include <jni.h>
-#include <map>
 #include <queue>
+#include <unordered_map>
 #include <string.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -105,7 +105,7 @@
     context_hub_info_s hubInfo;
     jniInfo_s jniInfo;
     std::queue<int> freeIds;
-    std::map<int, app_instance_info_s *> appInstances;
+    std::unordered_map<int, app_instance_info_s> appInstances;
 };
 
 }  // unnamed namespace
@@ -137,7 +137,7 @@
     const context_hub_t *info = get_hub_info(hubHandle);
 
     if (info) {
-        msg->app = info->os_app_name;
+        msg->app_name = info->os_app_name;
         return 0;
     } else {
         ALOGD("%s: Hub information is null for hubHandle %d", __FUNCTION__, hubHandle);
@@ -154,23 +154,23 @@
 }
 
 static int get_hub_id_for_app_instance(int id) {
-    if (db.appInstances.find(id) == db.appInstances.end()) {
+    if (!db.appInstances.count(id)) {
         ALOGD("%s: Cannot find app for app instance %d", __FUNCTION__, id);
         return -1;
     }
 
-    int hubHandle = db.appInstances[id]->hubHandle;
+    int hubHandle = db.appInstances[id].hubHandle;
 
     return db.hubInfo.hubs[hubHandle].hub_id;
 }
 
 static int set_dest_app(hub_message_t *msg, int id) {
-    if (db.appInstances.find(id) == db.appInstances.end()) {
+    if (!db.appInstances.count(id)) {
         ALOGD("%s: Cannod find app for app instance %d", __FUNCTION__, id);
         return -1;
     }
 
-    msg->app = db.appInstances[id]->appInfo.name;
+    msg->app_name = db.appInstances[id].appInfo.app_name;
     return 0;
 }
 
@@ -210,76 +210,43 @@
 
 int add_app_instance(const hub_app_info *appInfo, uint32_t hubHandle, JNIEnv *env) {
     // Not checking if the apps are indeed distinct
-
-    app_instance_info_s *entry;
-    void *appName;
-    hub_app_name_t *name;
-
-    assert(appInfo && appInfo->name && appInfo->name->app_name);
-
-    entry = (app_instance_info_s *) malloc(sizeof(app_instance_info_s));
-    appName = malloc(appInfo->name->app_name_len);
-    name = (hub_app_name_t *) malloc(sizeof(hub_app_name_t));
-
+    app_instance_info_s entry;
     int appInstanceHandle = generate_id();
 
-    if (appInstanceHandle < 0 || !appName || !entry || !name) {
-        ALOGE("Cannot find resources to add app instance %d, %p, %p",
-            appInstanceHandle, appName, entry);
+    assert(appInfo);
 
-        free(appName);
-        free(entry);
-        free(name);
-
-        if (appInstanceHandle >= 0) {
-            return_id(appInstanceHandle);
-        }
-
+    if (appInstanceHandle < 0) {
+        ALOGE("Cannot find resources to add app instance %d",
+              appInstanceHandle);
         return -1;
     }
 
-    memcpy(&(entry->appInfo), appInfo, sizeof(entry->appInfo));
-    memcpy(appName, appInfo->name->app_name, appInfo->name->app_name_len);
-    name->app_name = appName;
-    name->app_name_len = appInfo->name->app_name_len;
-    entry->appInfo.name = name;
-    entry->truncName = 0;
-    memcpy(&(entry->truncName), name->app_name,
-           sizeof(entry->truncName) < name->app_name_len ?
-           sizeof(entry->truncName) : name->app_name_len);
-
-    // Not checking for sanity of hubId
-    entry->hubHandle = hubHandle;
-    entry->instanceId = appInstanceHandle;
+    entry.appInfo = *appInfo;
+    entry.instanceId = appInstanceHandle;
+    entry.truncName = appInfo->app_name.id;
+    entry.hubHandle = hubHandle;
     db.appInstances[appInstanceHandle] = entry;
 
     // Finally - let the service know of this app instance
     env->CallIntMethod(db.jniInfo.jContextHubService,
                        db.jniInfo.contextHubServiceAddAppInstance,
-                       hubHandle, entry->instanceId, entry->truncName,
-                       entry->appInfo.version);
+                       hubHandle, entry.instanceId, entry.truncName,
+                       entry.appInfo.version);
 
     ALOGW("Added App 0x%" PRIx64 " on hub Handle %" PRId32
-          " as appInstance %d, original name_length %" PRId32, entry->truncName,
-          entry->hubHandle, appInstanceHandle, name->app_name_len);
+          " as appInstance %d", entry.truncName,
+          entry.hubHandle, appInstanceHandle);
 
     return appInstanceHandle;
 }
 
 int delete_app_instance(int id) {
-    if (db.appInstances.find(id) == db.appInstances.end()) {
+    if (!db.appInstances.count(id)) {
         return -1;
     }
 
     return_id(id);
-
-    if (db.appInstances[id]) {
-        // Losing the const cast below. This is intentional.
-        free((void *)db.appInstances[id]->appInfo.name->app_name);
-        free((void *)db.appInstances[id]->appInfo.name);
-        free(db.appInstances[id]);
-        db.appInstances.erase(id);
-    }
+    db.appInstances.erase(id);
 
     return 0;
 }
@@ -353,27 +320,20 @@
 }
 
 int handle_query_apps_response(char *msg, int msgLen, uint32_t hubHandle) {
-    int i;
     JNIEnv *env;
     if ((db.jniInfo.vm)->AttachCurrentThread(&env, nullptr) != JNI_OK) {
             return -1;
     }
 
     int numApps = msgLen/sizeof(hub_app_info);
-    hub_app_info *info = (hub_app_info *)malloc(msgLen); // handle possible alignment
+    hub_app_info info;
+    hub_app_info *unalignedInfoAddr = (hub_app_info*)msg;
 
-    if (!info) {
-        return -1;
+    for (int i = 0; i < numApps; i++, unalignedInfoAddr++) {
+        memcpy(&info, unalignedInfoAddr, sizeof(info));
+        add_app_instance(&info, hubHandle, env);
     }
 
-    memcpy(info, msg, msgLen);
-    for (i = 0; i < numApps; i++) {
-        add_app_instance(info, hubHandle, env);
-        info++;
-    }
-
-    free(info);
-
     return 0;
 }
 
diff --git a/core/jni/android_view_ThreadedRenderer.cpp b/core/jni/android_view_ThreadedRenderer.cpp
index ef45c87..3d65209 100644
--- a/core/jni/android_view_ThreadedRenderer.cpp
+++ b/core/jni/android_view_ThreadedRenderer.cpp
@@ -479,12 +479,6 @@
     return proxy->pauseSurface(surface);
 }
 
-static void android_view_ThreadedRenderer_setStopped(JNIEnv* env, jobject clazz,
-        jlong proxyPtr, jboolean stopped) {
-    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
-    proxy->setStopped(stopped);
-}
-
 static void android_view_ThreadedRenderer_setup(JNIEnv* env, jobject clazz, jlong proxyPtr,
         jint width, jint height, jfloat lightRadius, jint ambientShadowAlpha, jint spotShadowAlpha) {
     RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
@@ -738,7 +732,6 @@
     { "nInitialize", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_initialize },
     { "nUpdateSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_updateSurface },
     { "nPauseSurface", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_pauseSurface },
-    { "nSetStopped", "(JZ)V", (void*) android_view_ThreadedRenderer_setStopped },
     { "nSetup", "(JIIFII)V", (void*) android_view_ThreadedRenderer_setup },
     { "nSetLightCenter", "(JFFF)V", (void*) android_view_ThreadedRenderer_setLightCenter },
     { "nSetOpaque", "(JZ)V", (void*) android_view_ThreadedRenderer_setOpaque },
diff --git a/libs/hwui/DisplayList.h b/libs/hwui/DisplayList.h
index e209e2a..aba5d4b 100644
--- a/libs/hwui/DisplayList.h
+++ b/libs/hwui/DisplayList.h
@@ -137,6 +137,9 @@
 
         // whether children with non-zero Z in the chunk should be reordered
         bool reorderChildren;
+#if HWUI_NEW_OPS
+        const ClipBase* reorderClip;
+#endif
     };
 
     DisplayList();
diff --git a/libs/hwui/FrameBuilder.cpp b/libs/hwui/FrameBuilder.cpp
index f12e523..6fc74a5 100644
--- a/libs/hwui/FrameBuilder.cpp
+++ b/libs/hwui/FrameBuilder.cpp
@@ -269,7 +269,8 @@
 }
 
 template <typename V>
-void FrameBuilder::defer3dChildren(ChildrenSelectMode mode, const V& zTranslatedNodes) {
+void FrameBuilder::defer3dChildren(const ClipBase* reorderClip, ChildrenSelectMode mode,
+        const V& zTranslatedNodes) {
     const int size = zTranslatedNodes.size();
     if (size == 0
             || (mode == ChildrenSelectMode::Negative&& zTranslatedNodes[0].key > 0.0f)
@@ -305,7 +306,7 @@
             // attempt to render the shadow if the caster about to be drawn is its caster,
             // OR if its caster's Z value is similar to the previous potential caster
             if (shadowIndex == drawIndex || casterZ - lastCasterZ < 0.1f) {
-                deferShadow(*casterNodeOp);
+                deferShadow(reorderClip, *casterNodeOp);
 
                 lastCasterZ = casterZ; // must do this even if current caster not casting a shadow
                 shadowIndex++;
@@ -319,7 +320,7 @@
     }
 }
 
-void FrameBuilder::deferShadow(const RenderNodeOp& casterNodeOp) {
+void FrameBuilder::deferShadow(const ClipBase* reorderClip, const RenderNodeOp& casterNodeOp) {
     auto& node = *casterNodeOp.renderNode;
     auto& properties = node.properties();
 
@@ -365,6 +366,10 @@
         casterPath = frameAllocatedPath;
     }
 
+    // apply reorder clip to shadow, so it respects clip at beginning of reorderable chunk
+    int restoreTo = mCanvasState.save(SaveFlags::MatrixClip);
+    mCanvasState.writableSnapshot()->applyClip(reorderClip,
+            *mCanvasState.currentSnapshot()->transform);
     if (CC_LIKELY(!mCanvasState.getRenderTargetClipBounds().isEmpty())) {
         Matrix4 shadowMatrixXY(casterNodeOp.localMatrix);
         Matrix4 shadowMatrixZ(casterNodeOp.localMatrix);
@@ -386,6 +391,7 @@
             currentLayer().deferUnmergeableOp(mAllocator, bakedOpState, OpBatchType::Shadow);
         }
     }
+    mCanvasState.restoreToCount(restoreTo);
 }
 
 void FrameBuilder::deferProjectedChildren(const RenderNode& renderNode) {
@@ -438,11 +444,11 @@
 
     // can't be null, since DL=null node rejection happens before deferNodePropsAndOps
     const DisplayList& displayList = *(renderNode.getDisplayList());
-    for (const DisplayList::Chunk& chunk : displayList.getChunks()) {
+    for (auto& chunk : displayList.getChunks()) {
         FatVector<ZRenderNodeOpPair, 16> zTranslatedNodes;
         buildZSortedChildList(&zTranslatedNodes, displayList, chunk);
 
-        defer3dChildren(ChildrenSelectMode::Negative, zTranslatedNodes);
+        defer3dChildren(chunk.reorderClip, ChildrenSelectMode::Negative, zTranslatedNodes);
         for (size_t opIndex = chunk.beginOpIndex; opIndex < chunk.endOpIndex; opIndex++) {
             const RecordedOp* op = displayList.getOps()[opIndex];
             receivers[op->opId](*this, *op);
@@ -453,7 +459,7 @@
                 deferProjectedChildren(renderNode);
             }
         }
-        defer3dChildren(ChildrenSelectMode::Positive, zTranslatedNodes);
+        defer3dChildren(chunk.reorderClip, ChildrenSelectMode::Positive, zTranslatedNodes);
     }
 }
 
diff --git a/libs/hwui/FrameBuilder.h b/libs/hwui/FrameBuilder.h
index 039ab6b..a6fd761 100644
--- a/libs/hwui/FrameBuilder.h
+++ b/libs/hwui/FrameBuilder.h
@@ -193,9 +193,10 @@
     void deferNodePropsAndOps(RenderNode& node);
 
     template <typename V>
-    void defer3dChildren(ChildrenSelectMode mode, const V& zTranslatedNodes);
+    void defer3dChildren(const ClipBase* reorderClip, ChildrenSelectMode mode,
+            const V& zTranslatedNodes);
 
-    void deferShadow(const RenderNodeOp& casterOp);
+    void deferShadow(const ClipBase* reorderClip, const RenderNodeOp& casterOp);
 
     void deferProjectedChildren(const RenderNode& renderNode);
 
diff --git a/libs/hwui/RecordingCanvas.cpp b/libs/hwui/RecordingCanvas.cpp
index b78497d..ab733f1 100644
--- a/libs/hwui/RecordingCanvas.cpp
+++ b/libs/hwui/RecordingCanvas.cpp
@@ -57,6 +57,16 @@
     return displayList;
 }
 
+void RecordingCanvas::insertReorderBarrier(bool enableReorder) {
+    if (enableReorder) {
+        mDeferredBarrierType = DeferredBarrierType::OutOfOrder;
+        mDeferredBarrierClip = getRecordedClip();
+    } else {
+        mDeferredBarrierType = DeferredBarrierType::InOrder;
+        mDeferredBarrierClip = nullptr;
+    }
+}
+
 SkCanvas* RecordingCanvas::asSkCanvas() {
     LOG_ALWAYS_FATAL_IF(!mDisplayList,
             "attempting to get an SkCanvas when we are not recording!");
@@ -610,6 +620,7 @@
         newChunk.beginOpIndex = insertIndex;
         newChunk.endOpIndex = insertIndex + 1;
         newChunk.reorderChildren = (mDeferredBarrierType == DeferredBarrierType::OutOfOrder);
+        newChunk.reorderClip = mDeferredBarrierClip;
 
         int nextChildIndex = mDisplayList->children.size();
         newChunk.beginChildIndex = newChunk.endChildIndex = nextChildIndex;
diff --git a/libs/hwui/RecordingCanvas.h b/libs/hwui/RecordingCanvas.h
index acb88e2..219296c 100644
--- a/libs/hwui/RecordingCanvas.h
+++ b/libs/hwui/RecordingCanvas.h
@@ -55,10 +55,7 @@
 // ----------------------------------------------------------------------------
 // MISC HWUI OPERATIONS - TODO: CATEGORIZE
 // ----------------------------------------------------------------------------
-    virtual void insertReorderBarrier(bool enableReorder) override {
-        mDeferredBarrierType = enableReorder
-                ? DeferredBarrierType::OutOfOrder : DeferredBarrierType::InOrder;
-    }
+    virtual void insertReorderBarrier(bool enableReorder) override;
 
     virtual void drawLayer(DeferredLayerUpdater* layerHandle) override;
     virtual void drawRenderNode(RenderNode* renderNode) override;
@@ -312,6 +309,7 @@
     std::unique_ptr<SkiaCanvasProxy> mSkiaCanvasProxy;
     ResourceCache& mResourceCache;
     DeferredBarrierType mDeferredBarrierType = DeferredBarrierType::None;
+    const ClipBase* mDeferredBarrierClip = nullptr;
     DisplayList* mDisplayList = nullptr;
     bool mHighContrastText = false;
     SkAutoTUnref<SkDrawFilter> mDrawFilter;
diff --git a/libs/hwui/hwui/MinikinSkia.cpp b/libs/hwui/hwui/MinikinSkia.cpp
index b39de26..a455f57 100644
--- a/libs/hwui/hwui/MinikinSkia.cpp
+++ b/libs/hwui/hwui/MinikinSkia.cpp
@@ -24,7 +24,8 @@
 
 MinikinFontSkia::MinikinFontSkia(SkTypeface* typeface, const void* fontData, size_t fontSize,
         int ttcIndex) :
-    mTypeface(typeface), mFontData(fontData), mFontSize(fontSize), mTtcIndex(ttcIndex) {
+    MinikinFont(typeface->uniqueID()), mTypeface(typeface), mFontData(fontData),
+    mFontSize(fontSize), mTtcIndex(ttcIndex) {
 }
 
 MinikinFontSkia::~MinikinFontSkia() {
@@ -99,10 +100,6 @@
     return mTtcIndex;
 }
 
-int32_t MinikinFontSkia::GetUniqueId() const {
-    return mTypeface->uniqueID();
-}
-
 uint32_t MinikinFontSkia::packPaintFlags(const SkPaint* paint) {
     uint32_t flags = paint->getFlags();
     SkPaint::Hinting hinting = paint->getHinting();
diff --git a/libs/hwui/hwui/MinikinSkia.h b/libs/hwui/hwui/MinikinSkia.h
index dbc65f9..a7c9fb0 100644
--- a/libs/hwui/hwui/MinikinSkia.h
+++ b/libs/hwui/hwui/MinikinSkia.h
@@ -41,8 +41,6 @@
 
     const void* GetTable(uint32_t tag, size_t* size, MinikinDestroyFunc* destroy);
 
-    int32_t GetUniqueId() const;
-
     SkTypeface* GetSkTypeface() const;
 
     // Access to underlying raw font bytes
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 890d4a1..ab66b2a 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -113,11 +113,18 @@
         mBufferPreserved = mEglManager.setPreserveBuffer(mEglSurface, preserveBuffer);
         mHaveNewSurface = true;
         mSwapHistory.clear();
+        makeCurrent();
     } else {
         mRenderThread.removeFrameCallback(this);
     }
 }
 
+void CanvasContext::requireSurface() {
+    LOG_ALWAYS_FATAL_IF(mEglSurface == EGL_NO_SURFACE,
+            "requireSurface() called but no surface set!");
+    makeCurrent();
+}
+
 void CanvasContext::setSwapBehavior(SwapBehavior swapBehavior) {
     mSwapBehavior = swapBehavior;
 }
@@ -139,18 +146,6 @@
     return mRenderThread.removeFrameCallback(this);
 }
 
-void CanvasContext::setStopped(bool stopped) {
-    if (mStopped != stopped) {
-        mStopped = stopped;
-        if (mStopped) {
-            mRenderThread.removeFrameCallback(this);
-            if (mEglManager.isCurrent(mEglSurface)) {
-                mEglManager.makeCurrent(EGL_NO_SURFACE);
-            }
-        }
-    }
-}
-
 // TODO: don't pass viewport size, it's automatic via EGL
 void CanvasContext::setup(int width, int height, float lightRadius,
         uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
@@ -177,9 +172,7 @@
     mOpaque = opaque;
 }
 
-bool CanvasContext::makeCurrent() {
-    if (mStopped) return false;
-
+void CanvasContext::makeCurrent() {
     // TODO: Figure out why this workaround is needed, see b/13913604
     // In the meantime this matches the behavior of GLRenderer, so it is not a regression
     EGLint error = 0;
@@ -187,7 +180,6 @@
     if (error) {
         setSurface(nullptr);
     }
-    return !error;
 }
 
 static bool wasSkipped(FrameInfo* info) {
@@ -679,7 +671,7 @@
 }
 
 Layer* CanvasContext::createTextureLayer() {
-    mEglManager.initialize();
+    requireSurface();
     return LayerRenderer::createTextureLayer(mRenderThread.renderState());
 }
 
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 52df3abe..9350114 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -82,14 +82,13 @@
     void initialize(Surface* surface);
     void updateSurface(Surface* surface);
     bool pauseSurface(Surface* surface);
-    void setStopped(bool stopped);
     bool hasSurface() { return mNativeSurface.get(); }
 
     void setup(int width, int height, float lightRadius,
             uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha);
     void setLightCenter(const Vector3& lightCenter);
     void setOpaque(bool opaque);
-    bool makeCurrent();
+    void makeCurrent();
     void prepareTree(TreeInfo& info, int64_t* uiFrameInfo,
             int64_t syncQueued, RenderNode* target);
     void draw();
@@ -173,6 +172,7 @@
     friend class android::uirenderer::RenderState;
 
     void setSurface(Surface* window);
+    void requireSurface();
 
     void freePrefetchedLayers(TreeObserver* observer);
 
@@ -185,7 +185,6 @@
     EglManager& mEglManager;
     sp<Surface> mNativeSurface;
     EGLSurface mEglSurface = EGL_NO_SURFACE;
-    bool mStopped = false;
     bool mBufferPreserved = false;
     SwapBehavior mSwapBehavior = kSwap_default;
     struct SwapHistory {
diff --git a/libs/hwui/renderthread/DrawFrameTask.cpp b/libs/hwui/renderthread/DrawFrameTask.cpp
index ed472ac..651aaa2 100644
--- a/libs/hwui/renderthread/DrawFrameTask.cpp
+++ b/libs/hwui/renderthread/DrawFrameTask.cpp
@@ -115,7 +115,7 @@
     ATRACE_CALL();
     int64_t vsync = mFrameInfo[static_cast<int>(FrameInfoIndex::Vsync)];
     mRenderThread->timeLord().vsyncReceived(vsync);
-    bool canDraw = mContext->makeCurrent();
+    mContext->makeCurrent();
     Caches::getInstance().textureCache.resetMarkInUse(mContext);
 
     for (size_t i = 0; i < mLayers.size(); i++) {
@@ -126,9 +126,8 @@
 
     // This is after the prepareTree so that any pending operations
     // (RenderNode tree state, prefetched layers, etc...) will be flushed.
-    if (CC_UNLIKELY(!mContext->hasSurface() || !canDraw)) {
+    if (CC_UNLIKELY(!mContext->hasSurface())) {
         mSyncResult |= kSync_LostSurfaceRewardIfFound;
-        info.out.canDrawThisFrame = false;
     }
 
     if (info.out.hasAnimations) {
diff --git a/libs/hwui/renderthread/EglManager.cpp b/libs/hwui/renderthread/EglManager.cpp
index ac6a28f..8def7ad 100644
--- a/libs/hwui/renderthread/EglManager.cpp
+++ b/libs/hwui/renderthread/EglManager.cpp
@@ -270,6 +270,12 @@
         // Ensure we always have a valid surface & context
         surface = mPBufferSurface;
     }
+    // TODO: Temporary to help diagnose b/27286867
+    if (mCurrentSurface == mPBufferSurface || surface == mPBufferSurface) {
+        ALOGD("Switching from surface %p%s to %p%s", mCurrentSurface,
+                mCurrentSurface == mPBufferSurface ? " (pbuffer)" : "",
+                        surface, surface == mPBufferSurface ? " (pbuffer)" : "");
+    }
     if (!eglMakeCurrent(mEglDisplay, surface, surface, mEglContext)) {
         if (errOut) {
             *errOut = eglGetError();
diff --git a/libs/hwui/renderthread/RenderProxy.cpp b/libs/hwui/renderthread/RenderProxy.cpp
index c5a2dc7..1116383 100644
--- a/libs/hwui/renderthread/RenderProxy.cpp
+++ b/libs/hwui/renderthread/RenderProxy.cpp
@@ -167,18 +167,6 @@
     return (bool) postAndWait(task);
 }
 
-CREATE_BRIDGE2(setStopped, CanvasContext* context, bool stopped) {
-    args->context->setStopped(args->stopped);
-    return nullptr;
-}
-
-void RenderProxy::setStopped(bool stopped) {
-    SETUP_TASK(setStopped);
-    args->context = mContext;
-    args->stopped = stopped;
-    postAndWait(task);
-}
-
 CREATE_BRIDGE6(setup, CanvasContext* context, int width, int height,
         float lightRadius, uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
     args->context->setup(args->width, args->height, args->lightRadius,
diff --git a/libs/hwui/renderthread/RenderProxy.h b/libs/hwui/renderthread/RenderProxy.h
index 32d3283b..ecc296b 100644
--- a/libs/hwui/renderthread/RenderProxy.h
+++ b/libs/hwui/renderthread/RenderProxy.h
@@ -79,7 +79,6 @@
     ANDROID_API void initialize(const sp<Surface>& surface);
     ANDROID_API void updateSurface(const sp<Surface>& surface);
     ANDROID_API bool pauseSurface(const sp<Surface>& surface);
-    ANDROID_API void setStopped(bool stopped);
     ANDROID_API void setup(int width, int height, float lightRadius,
             uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha);
     ANDROID_API void setLightCenter(const Vector3& lightCenter);
diff --git a/libs/hwui/tests/unit/FrameBuilderTests.cpp b/libs/hwui/tests/unit/FrameBuilderTests.cpp
index 9877439..209a104 100644
--- a/libs/hwui/tests/unit/FrameBuilderTests.cpp
+++ b/libs/hwui/tests/unit/FrameBuilderTests.cpp
@@ -1722,6 +1722,35 @@
     EXPECT_EQ(4, renderer.getIndex());
 }
 
+RENDERTHREAD_TEST(FrameBuilder, shadowClipping) {
+    class ShadowClippingTestRenderer : public TestRendererBase {
+    public:
+        void onShadowOp(const ShadowOp& op, const BakedOpState& state) override {
+            EXPECT_EQ(0, mIndex++);
+            EXPECT_EQ(Rect(25, 25, 75, 75), state.computedState.clipState->rect)
+                    << "Shadow must respect pre-barrier canvas clip value.";
+        }
+        void onRectOp(const RectOp& op, const BakedOpState& state) override {
+            EXPECT_EQ(1, mIndex++);
+        }
+    };
+    auto parent = TestUtils::createNode(0, 0, 100, 100,
+            [](RenderProperties& props, RecordingCanvas& canvas) {
+        // Apply a clip before the reorder barrier/shadow casting child is drawn.
+        // This clip must be applied to the shadow cast by the child.
+        canvas.clipRect(25, 25, 75, 75, SkRegion::kIntersect_Op);
+        canvas.insertReorderBarrier(true);
+        canvas.drawRenderNode(createWhiteRectShadowCaster(5.0f).get());
+    });
+
+    FrameBuilder frameBuilder(sEmptyLayerUpdateQueue, SkRect::MakeWH(100, 100), 100, 100,
+            TestUtils::createSyncedNodeList(parent),
+            (FrameBuilder::LightGeometry) {{ 100, 100, 100 }, 50}, Caches::getInstance());
+    ShadowClippingTestRenderer renderer;
+    frameBuilder.replayBakedOps<TestDispatcher>(renderer);
+    EXPECT_EQ(2, renderer.getIndex());
+}
+
 static void testProperty(std::function<void(RenderProperties&)> propSetupCallback,
         std::function<void(const RectOp&, const BakedOpState&)> opValidateCallback) {
     class PropertyTestRenderer : public TestRendererBase {
diff --git a/libs/hwui/tests/unit/RecordingCanvasTests.cpp b/libs/hwui/tests/unit/RecordingCanvasTests.cpp
index c49ff71..18171de 100644
--- a/libs/hwui/tests/unit/RecordingCanvasTests.cpp
+++ b/libs/hwui/tests/unit/RecordingCanvasTests.cpp
@@ -603,6 +603,36 @@
     EXPECT_TRUE(chunks[1].reorderChildren);
 }
 
+TEST(RecordingCanvas, insertReorderBarrier_clip) {
+    auto dl = TestUtils::createDisplayList<RecordingCanvas>(200, 200, [](RecordingCanvas& canvas) {
+        // first chunk: no recorded clip
+        canvas.insertReorderBarrier(true);
+        canvas.drawRect(0, 0, 400, 400, SkPaint());
+
+        // second chunk: no recorded clip, since inorder region
+        canvas.clipRect(0, 0, 200, 200, SkRegion::kIntersect_Op);
+        canvas.insertReorderBarrier(false);
+        canvas.drawRect(0, 0, 400, 400, SkPaint());
+
+        // third chunk: recorded clip
+        canvas.insertReorderBarrier(true);
+        canvas.drawRect(0, 0, 400, 400, SkPaint());
+    });
+
+    auto chunks = dl->getChunks();
+    ASSERT_EQ(3u, chunks.size());
+
+    EXPECT_TRUE(chunks[0].reorderChildren);
+    EXPECT_EQ(nullptr, chunks[0].reorderClip);
+
+    EXPECT_FALSE(chunks[1].reorderChildren);
+    EXPECT_EQ(nullptr, chunks[1].reorderClip);
+
+    EXPECT_TRUE(chunks[2].reorderChildren);
+    ASSERT_NE(nullptr, chunks[2].reorderClip);
+    EXPECT_EQ(Rect(200, 200), chunks[2].reorderClip->rect);
+}
+
 TEST(RecordingCanvas, refPaint) {
     SkPaint paint;
 
diff --git a/media/java/android/media/AudioRecord.java b/media/java/android/media/AudioRecord.java
index ca306cc..a5550ec 100644
--- a/media/java/android/media/AudioRecord.java
+++ b/media/java/android/media/AudioRecord.java
@@ -37,6 +37,8 @@
 import android.util.ArrayMap;
 import android.util.Log;
 
+import com.android.internal.annotations.GuardedBy;
+
 /**
  * The AudioRecord class manages the audio resources for Java applications
  * to record audio from the audio input hardware of the platform. This is
@@ -1320,6 +1322,7 @@
      * Note: The query is only valid if the AudioRecord is currently recording. If it is not,
      * <code>getRoutedDevice()</code> will return null.
      */
+    @Override
     public AudioDeviceInfo getRoutedDevice() {
         int deviceId = native_getRoutedDeviceId();
         if (deviceId == 0) {
@@ -1338,8 +1341,8 @@
     /*
      * Call BEFORE adding a routing callback handler.
      */
-    private void testEnableNativeRoutingCallbacks() {
-        if (mRoutingChangeListeners.size() == 0 && mNewRoutingChangeListeners.size() == 0) {
+    private void testEnableNativeRoutingCallbacksLocked() {
+        if (mRoutingChangeListeners.size() == 0) {
             native_enableDeviceCallback();
         }
     }
@@ -1347,24 +1350,23 @@
     /*
      * Call AFTER removing a routing callback handler.
      */
-    private void testDisableNativeRoutingCallbacks() {
-        if (mRoutingChangeListeners.size() == 0 && mNewRoutingChangeListeners.size() == 0) {
+    private void testDisableNativeRoutingCallbacksLocked() {
+        if (mRoutingChangeListeners.size() == 0) {
             native_disableDeviceCallback();
         }
     }
 
     //--------------------------------------------------------------------------
-    // >= "N" (Re)Routing Info
+    // (Re)Routing Info
     //--------------------
     /**
      * The list of AudioRouting.OnRoutingChangedListener interfaces added (with
-     * {@link AudioRecord#addOnRoutingListener(AudioRouting.OnRoutingChangedListener,
-     *      android.os.Handler)}
-     * by an app to receive (re)routing notifications.
+     * {@link AudioRecord#addOnRoutingChangedListener} by an app to receive
+     * (re)routing notifications.
      */
-    private ArrayMap<AudioRouting.OnRoutingChangedListener, NativeNewRoutingEventHandlerDelegate>
-    mNewRoutingChangeListeners =
-        new ArrayMap<AudioRouting.OnRoutingChangedListener, NativeNewRoutingEventHandlerDelegate>();
+    @GuardedBy("mRoutingChangeListeners")
+    private ArrayMap<AudioRouting.OnRoutingChangedListener,
+            NativeRoutingEventHandlerDelegate> mRoutingChangeListeners = new ArrayMap<>();
 
     /**
      * Adds an {@link AudioRouting.OnRoutingChangedListener} to receive notifications of
@@ -1375,14 +1377,15 @@
      * the callback. If <code>null</code>, the {@link Handler} associated with the main
      * {@link Looper} will be used.
      */
-    public void addOnRoutingListener(AudioRouting.OnRoutingChangedListener listener,
+    @Override
+    public void addOnRoutingChangedListener(AudioRouting.OnRoutingChangedListener listener,
             android.os.Handler handler) {
-        if (listener != null && !mNewRoutingChangeListeners.containsKey(listener)) {
-            synchronized (mNewRoutingChangeListeners) {
-                testEnableNativeRoutingCallbacks();
-                mNewRoutingChangeListeners.put(
-                    listener, new NativeNewRoutingEventHandlerDelegate(this, listener,
-                            handler != null ? handler : new Handler(mInitializationLooper)));
+        synchronized (mRoutingChangeListeners) {
+            if (listener != null && !mRoutingChangeListeners.containsKey(listener)) {
+                testEnableNativeRoutingCallbacksLocked();
+                mRoutingChangeListeners.put(
+                        listener, new NativeRoutingEventHandlerDelegate(this, listener,
+                                handler != null ? handler : new Handler(mInitializationLooper)));
             }
         }
     }
@@ -1393,39 +1396,42 @@
     * @param listener The previously added {@link AudioRouting.OnRoutingChangedListener} interface
     * to remove.
     */
-    public void removeOnRoutingListener(AudioRouting.OnRoutingChangedListener listener) {
-        synchronized (mNewRoutingChangeListeners) {
-            if (mNewRoutingChangeListeners.containsKey(listener)) {
-                mNewRoutingChangeListeners.remove(listener);
-                testDisableNativeRoutingCallbacks();
+    @Override
+    public void removeOnRoutingChangedListener(AudioRouting.OnRoutingChangedListener listener) {
+        synchronized (mRoutingChangeListeners) {
+            if (mRoutingChangeListeners.containsKey(listener)) {
+                mRoutingChangeListeners.remove(listener);
+                testDisableNativeRoutingCallbacksLocked();
             }
         }
     }
 
     //--------------------------------------------------------------------------
-    // Marshmallow (Re)Routing Info
+    // (Re)Routing Info
     //--------------------
     /**
-     * Defines the interface by which applications can receive notifications of routing
-     * changes for the associated {@link AudioRecord}.
+     * Defines the interface by which applications can receive notifications of
+     * routing changes for the associated {@link AudioRecord}.
+     *
+     * @deprecated users should switch to the general purpose
+     *             {@link AudioRouting.OnRoutingChangedListener} class instead.
      */
-    public interface OnRoutingChangedListener {
+    @Deprecated
+    public interface OnRoutingChangedListener extends AudioRouting.OnRoutingChangedListener {
         /**
-         * Called when the routing of an AudioRecord changes from either and explicit or
-         * policy rerouting. Use {@link #getRoutedDevice()} to retrieve the newly routed-from
-         * device.
+         * Called when the routing of an AudioRecord changes from either and
+         * explicit or policy rerouting. Use {@link #getRoutedDevice()} to
+         * retrieve the newly routed-from device.
          */
         public void onRoutingChanged(AudioRecord audioRecord);
-    }
 
-    /**
-     * The list of AudioRecord.OnRoutingChangedListener interface added (with
-     * {@link AudioRecord#addOnRoutingChangedListener(OnRoutingChangedListener,android.os.Handler)}
-     * by an app to receive (re)routing notifications.
-     */
-    private ArrayMap<OnRoutingChangedListener, NativeRoutingEventHandlerDelegate>
-        mRoutingChangeListeners =
-            new ArrayMap<OnRoutingChangedListener, NativeRoutingEventHandlerDelegate>();
+        @Override
+        default public void onRoutingChanged(AudioRouting router) {
+            if (router instanceof AudioRecord) {
+                onRoutingChanged((AudioRecord) router);
+            }
+        }
+    }
 
     /**
      * Adds an {@link OnRoutingChangedListener} to receive notifications of routing changes
@@ -1435,88 +1441,28 @@
      * @param handler  Specifies the {@link Handler} object for the thread on which to execute
      * the callback. If <code>null</code>, the {@link Handler} associated with the main
      * {@link Looper} will be used.
+     * @deprecated users should switch to the general purpose
+     *             {@link AudioRouting.OnRoutingChangedListener} class instead.
      */
     @Deprecated
     public void addOnRoutingChangedListener(OnRoutingChangedListener listener,
             android.os.Handler handler) {
-        if (listener != null && !mRoutingChangeListeners.containsKey(listener)) {
-            synchronized (mRoutingChangeListeners) {
-                testEnableNativeRoutingCallbacks();
-                mRoutingChangeListeners.put(
-                    listener, new NativeRoutingEventHandlerDelegate(this, listener,
-                            handler != null ? handler : new Handler(mInitializationLooper)));
-            }
-        }
+        addOnRoutingChangedListener((AudioRouting.OnRoutingChangedListener) listener, handler);
     }
 
     /**
       * Removes an {@link OnRoutingChangedListener} which has been previously added
      * to receive rerouting notifications.
      * @param listener The previously added {@link OnRoutingChangedListener} interface to remove.
+     * @deprecated users should switch to the general purpose
+     *             {@link AudioRouting.OnRoutingChangedListener} class instead.
      */
     @Deprecated
     public void removeOnRoutingChangedListener(OnRoutingChangedListener listener) {
-        synchronized (mRoutingChangeListeners) {
-            if (mRoutingChangeListeners.containsKey(listener)) {
-                mRoutingChangeListeners.remove(listener);
-                testDisableNativeRoutingCallbacks();
-            }
-        }
+        removeOnRoutingChangedListener((AudioRouting.OnRoutingChangedListener) listener);
     }
 
     /**
-     * >= "N" Routing
-     * Helper class to handle the forwarding of native events to the appropriate listener
-     * (potentially) handled in a different thread
-     */
-    private class NativeNewRoutingEventHandlerDelegate {
-        private final Handler mHandler;
-
-        NativeNewRoutingEventHandlerDelegate(final AudioRecord record,
-                                   final AudioRouting.OnRoutingChangedListener listener,
-                                   Handler handler) {
-            // find the looper for our new event handler
-            Looper looper;
-            if (handler != null) {
-                looper = handler.getLooper();
-            } else {
-                // no given handler, use the looper the AudioRecord was created in
-                looper = mInitializationLooper;
-            }
-
-            // construct the event handler with this looper
-            if (looper != null) {
-                // implement the event handler delegate
-                mHandler = new Handler(looper) {
-                    @Override
-                    public void handleMessage(Message msg) {
-                        if (record == null) {
-                            return;
-                        }
-                        switch(msg.what) {
-                        case AudioSystem.NATIVE_EVENT_ROUTING_CHANGE:
-                            if (listener != null) {
-                                listener.onRoutingChanged(record);
-                            }
-                            break;
-                        default:
-                            loge("Unknown native event type: " + msg.what);
-                            break;
-                        }
-                    }
-                };
-            } else {
-                mHandler = null;
-            }
-        }
-
-        Handler getHandler() {
-            return mHandler;
-        }
-    }
-
-    /**
-     * Marshmallow Routing
      * Helper class to handle the forwarding of native events to the appropriate listener
      * (potentially) handled in a different thread
      */
@@ -1524,7 +1470,7 @@
         private final Handler mHandler;
 
         NativeRoutingEventHandlerDelegate(final AudioRecord record,
-                                   final OnRoutingChangedListener listener,
+                                   final AudioRouting.OnRoutingChangedListener listener,
                                    Handler handler) {
             // find the looper for our new event handler
             Looper looper;
@@ -1571,26 +1517,12 @@
      */
     private void broadcastRoutingChange() {
         AudioManager.resetAudioPortGeneration();
-        // Marshmallow Routing
-        Collection<NativeRoutingEventHandlerDelegate> values;
         synchronized (mRoutingChangeListeners) {
-            values = mRoutingChangeListeners.values();
-        }
-        for(NativeRoutingEventHandlerDelegate delegate : values) {
-            Handler handler = delegate.getHandler();
-            if (handler != null) {
-                handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE);
-            }
-        }
-        // >= "N" Routing
-        Collection<NativeNewRoutingEventHandlerDelegate> newValues;
-        synchronized (mNewRoutingChangeListeners) {
-            newValues = mNewRoutingChangeListeners.values();
-        }
-        for(NativeNewRoutingEventHandlerDelegate delegate : newValues) {
-            Handler handler = delegate.getHandler();
-            if (handler != null) {
-                handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE);
+            for (NativeRoutingEventHandlerDelegate delegate : mRoutingChangeListeners.values()) {
+                Handler handler = delegate.getHandler();
+                if (handler != null) {
+                    handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE);
+                }
             }
         }
     }
@@ -1623,6 +1555,7 @@
      * @return true if successful, false if the specified {@link AudioDeviceInfo} is non-null and
      * does not correspond to a valid audio input device.
      */
+    @Override
     public boolean setPreferredDevice(AudioDeviceInfo deviceInfo) {
         // Do some validation....
         if (deviceInfo != null && !deviceInfo.isSource()) {
@@ -1643,6 +1576,7 @@
      * Returns the selected input specified by {@link #setPreferredDevice}. Note that this
      * is not guarenteed to correspond to the actual device being used for recording.
      */
+    @Override
     public AudioDeviceInfo getPreferredDevice() {
         synchronized (this) {
             return mPreferredDevice;
@@ -1683,7 +1617,6 @@
      * (potentially) handled in a different thread
      */
     private class NativeEventHandler extends Handler {
-
         private final AudioRecord mAudioRecord;
 
         NativeEventHandler(AudioRecord recorder, Looper looper) {
@@ -1714,8 +1647,7 @@
                 break;
             }
         }
-    };
-
+    }
 
     //---------------------------------------------------------
     // Java methods called from the native side
diff --git a/media/java/android/media/AudioRouting.java b/media/java/android/media/AudioRouting.java
index 41f92d4..26fa631 100644
--- a/media/java/android/media/AudioRouting.java
+++ b/media/java/android/media/AudioRouting.java
@@ -57,7 +57,7 @@
      * the callback. If <code>null</code>, the {@link Handler} associated with the main
      * {@link Looper} will be used.
      */
-    public void addOnRoutingListener(OnRoutingChangedListener listener,
+    public void addOnRoutingChangedListener(OnRoutingChangedListener listener,
             Handler handler);
 
     /**
@@ -66,7 +66,7 @@
      * @param listener The previously added {@link AudioRouting.OnRoutingChangedListener} interface
      * to remove.
      */
-    public void removeOnRoutingListener(OnRoutingChangedListener listener);
+    public void removeOnRoutingChangedListener(OnRoutingChangedListener listener);
 
     /**
      * Defines the interface by which applications can receive notifications of routing
diff --git a/media/java/android/media/AudioTrack.java b/media/java/android/media/AudioTrack.java
index 621129d..9d360db 100644
--- a/media/java/android/media/AudioTrack.java
+++ b/media/java/android/media/AudioTrack.java
@@ -40,6 +40,7 @@
 import android.util.ArrayMap;
 import android.util.Log;
 
+import com.android.internal.annotations.GuardedBy;
 import com.android.internal.app.IAppOpsService;
 
 /**
@@ -1489,6 +1490,7 @@
      * @deprecated Applications should use {@link #setVolume} instead, as it
      * more gracefully scales down to mono, and up to multi-channel content beyond stereo.
      */
+    @Deprecated
     public int setStereoVolume(float leftGain, float rightGain) {
         if (isRestricted()) {
             return SUCCESS;
@@ -2397,6 +2399,7 @@
      * @return true if succesful, false if the specified {@link AudioDeviceInfo} is non-null and
      * does not correspond to a valid audio output device.
      */
+    @Override
     public boolean setPreferredDevice(AudioDeviceInfo deviceInfo) {
         // Do some validation....
         if (deviceInfo != null && !deviceInfo.isSink()) {
@@ -2416,6 +2419,7 @@
      * Returns the selected output specified by {@link #setPreferredDevice}. Note that this
      * is not guaranteed to correspond to the actual device being used for playback.
      */
+    @Override
     public AudioDeviceInfo getPreferredDevice() {
         synchronized (this) {
             return mPreferredDevice;
@@ -2427,6 +2431,7 @@
      * Note: The query is only valid if the AudioTrack is currently playing. If it is not,
      * <code>getRoutedDevice()</code> will return null.
      */
+    @Override
     public AudioDeviceInfo getRoutedDevice() {
         int deviceId = native_getRoutedDeviceId();
         if (deviceId == 0) {
@@ -2445,8 +2450,8 @@
     /*
      * Call BEFORE adding a routing callback handler.
      */
-    private void testEnableNativeRoutingCallbacks() {
-        if (mRoutingChangeListeners.size() == 0 && mNewRoutingChangeListeners.size() == 0) {
+    private void testEnableNativeRoutingCallbacksLocked() {
+        if (mRoutingChangeListeners.size() == 0) {
             native_enableDeviceCallback();
         }
     }
@@ -2454,24 +2459,23 @@
     /*
      * Call AFTER removing a routing callback handler.
      */
-    private void testDisableNativeRoutingCallbacks() {
-        if (mRoutingChangeListeners.size() == 0 && mNewRoutingChangeListeners.size() == 0) {
+    private void testDisableNativeRoutingCallbacksLocked() {
+        if (mRoutingChangeListeners.size() == 0) {
             native_disableDeviceCallback();
         }
     }
 
     //--------------------------------------------------------------------------
-    // >= "N" (Re)Routing Info
+    // (Re)Routing Info
     //--------------------
     /**
      * The list of AudioRouting.OnRoutingChangedListener interfaces added (with
-     * {@link AudioTrack#addOnRoutingListener(AudioRouting.OnRoutingChangedListener,
-     *          android.os.Handler)}
-     * by an app to receive (re)routing notifications.
+     * {@link AudioRecord#addOnRoutingChangedListener} by an app to receive
+     * (re)routing notifications.
      */
-   private ArrayMap<AudioRouting.OnRoutingChangedListener, NativeNewRoutingEventHandlerDelegate>
-    mNewRoutingChangeListeners =
-        new ArrayMap<AudioRouting.OnRoutingChangedListener, NativeNewRoutingEventHandlerDelegate>();
+    @GuardedBy("mRoutingChangeListeners")
+    private ArrayMap<AudioRouting.OnRoutingChangedListener,
+            NativeRoutingEventHandlerDelegate> mRoutingChangeListeners = new ArrayMap<>();
 
    /**
     * Adds an {@link AudioRouting.OnRoutingChangedListener} to receive notifications of routing
@@ -2482,14 +2486,15 @@
     * the callback. If <code>null</code>, the {@link Handler} associated with the main
     * {@link Looper} will be used.
     */
-    public void addOnRoutingListener(AudioRouting.OnRoutingChangedListener listener,
+    @Override
+    public void addOnRoutingChangedListener(AudioRouting.OnRoutingChangedListener listener,
             Handler handler) {
-        if (listener != null && !mNewRoutingChangeListeners.containsKey(listener)) {
-            synchronized (mNewRoutingChangeListeners) {
-                testEnableNativeRoutingCallbacks();
-                mNewRoutingChangeListeners.put(
-                    listener, new NativeNewRoutingEventHandlerDelegate(this, listener,
-                            handler != null ? handler : new Handler(mInitializationLooper)));
+        synchronized (mRoutingChangeListeners) {
+            if (listener != null && !mRoutingChangeListeners.containsKey(listener)) {
+                testEnableNativeRoutingCallbacksLocked();
+                mRoutingChangeListeners.put(
+                        listener, new NativeRoutingEventHandlerDelegate(this, listener,
+                                handler != null ? handler : new Handler(mInitializationLooper)));
             }
         }
     }
@@ -2500,39 +2505,42 @@
      * @param listener The previously added {@link AudioRouting.OnRoutingChangedListener} interface
      * to remove.
      */
-    public void removeOnRoutingListener(AudioRouting.OnRoutingChangedListener listener) {
-        if (mNewRoutingChangeListeners.containsKey(listener)) {
-            mNewRoutingChangeListeners.remove(listener);
+    @Override
+    public void removeOnRoutingChangedListener(AudioRouting.OnRoutingChangedListener listener) {
+        synchronized (mRoutingChangeListeners) {
+            if (mRoutingChangeListeners.containsKey(listener)) {
+                mRoutingChangeListeners.remove(listener);
+            }
+            testDisableNativeRoutingCallbacksLocked();
         }
-        testDisableNativeRoutingCallbacks();
     }
 
     //--------------------------------------------------------------------------
-    // Marshmallow (Re)Routing Info
+    // (Re)Routing Info
     //--------------------
     /**
-     * Defines the interface by which applications can receive notifications of routing
-     * changes for the associated {@link AudioTrack}.
+     * Defines the interface by which applications can receive notifications of
+     * routing changes for the associated {@link AudioTrack}.
+     *
+     * @deprecated users should switch to the general purpose
+     *             {@link AudioRouting.OnRoutingChangedListener} class instead.
      */
     @Deprecated
-    public interface OnRoutingChangedListener {
+    public interface OnRoutingChangedListener extends AudioRouting.OnRoutingChangedListener {
         /**
-         * Called when the routing of an AudioTrack changes from either and explicit or
-         * policy rerouting.  Use {@link #getRoutedDevice()} to retrieve the newly routed-to
-         * device.
+         * Called when the routing of an AudioTrack changes from either and
+         * explicit or policy rerouting. Use {@link #getRoutedDevice()} to
+         * retrieve the newly routed-to device.
          */
-        @Deprecated
         public void onRoutingChanged(AudioTrack audioTrack);
-    }
 
-    /**
-     * The list of AudioTrack.OnRoutingChangedListener interfaces added (with
-     * {@link AudioTrack#addOnRoutingChangedListener(OnRoutingChangedListener, android.os.Handler)}
-     * by an app to receive (re)routing notifications.
-     */
-    private ArrayMap<OnRoutingChangedListener, NativeRoutingEventHandlerDelegate>
-        mRoutingChangeListeners =
-            new ArrayMap<OnRoutingChangedListener, NativeRoutingEventHandlerDelegate>();
+        @Override
+        default public void onRoutingChanged(AudioRouting router) {
+            if (router instanceof AudioTrack) {
+                onRoutingChanged((AudioTrack) router);
+            }
+        }
+    }
 
     /**
      * Adds an {@link OnRoutingChangedListener} to receive notifications of routing changes
@@ -2542,33 +2550,25 @@
      * @param handler  Specifies the {@link Handler} object for the thread on which to execute
      * the callback. If <code>null</code>, the {@link Handler} associated with the main
      * {@link Looper} will be used.
+     * @deprecated users should switch to the general purpose
+     *             {@link AudioRouting.OnRoutingChangedListener} class instead.
      */
     @Deprecated
     public void addOnRoutingChangedListener(OnRoutingChangedListener listener,
             android.os.Handler handler) {
-        if (listener != null && !mRoutingChangeListeners.containsKey(listener)) {
-            synchronized (mRoutingChangeListeners) {
-                testEnableNativeRoutingCallbacks();
-                mRoutingChangeListeners.put(
-                    listener, new NativeRoutingEventHandlerDelegate(this, listener,
-                            handler != null ? handler : new Handler(mInitializationLooper)));
-            }
-        }
+        addOnRoutingChangedListener((AudioRouting.OnRoutingChangedListener) listener, handler);
     }
 
     /**
      * Removes an {@link OnRoutingChangedListener} which has been previously added
      * to receive rerouting notifications.
      * @param listener The previously added {@link OnRoutingChangedListener} interface to remove.
+     * @deprecated users should switch to the general purpose
+     *             {@link AudioRouting.OnRoutingChangedListener} class instead.
      */
     @Deprecated
     public void removeOnRoutingChangedListener(OnRoutingChangedListener listener) {
-        synchronized (mRoutingChangeListeners) {
-            if (mRoutingChangeListeners.containsKey(listener)) {
-                mRoutingChangeListeners.remove(listener);
-            }
-            testDisableNativeRoutingCallbacks();
-        }
+        removeOnRoutingChangedListener((AudioRouting.OnRoutingChangedListener) listener);
     }
 
     /**
@@ -2576,27 +2576,12 @@
      */
     private void broadcastRoutingChange() {
         AudioManager.resetAudioPortGeneration();
-
-        // Marshmallow Routing
-        Collection<NativeRoutingEventHandlerDelegate> values;
         synchronized (mRoutingChangeListeners) {
-            values = mRoutingChangeListeners.values();
-        }
-        for(NativeRoutingEventHandlerDelegate delegate : values) {
-            Handler handler = delegate.getHandler();
-            if (handler != null) {
-                handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE);
-            }
-        }
-        // >= "N" Routing
-        Collection<NativeNewRoutingEventHandlerDelegate> newValues;
-        synchronized (mNewRoutingChangeListeners) {
-            newValues = mNewRoutingChangeListeners.values();
-        }
-        for(NativeNewRoutingEventHandlerDelegate delegate : newValues) {
-            Handler handler = delegate.getHandler();
-            if (handler != null) {
-                handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE);
+            for (NativeRoutingEventHandlerDelegate delegate : mRoutingChangeListeners.values()) {
+                Handler handler = delegate.getHandler();
+                if (handler != null) {
+                    handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE);
+                }
             }
         }
     }
@@ -2681,7 +2666,6 @@
     }
 
     /**
-     * Marshmallow Routing API.
      * Helper class to handle the forwarding of native events to the appropriate listener
      * (potentially) handled in a different thread
      */
@@ -2689,57 +2673,6 @@
         private final Handler mHandler;
 
         NativeRoutingEventHandlerDelegate(final AudioTrack track,
-                                   final OnRoutingChangedListener listener,
-                                   Handler handler) {
-            // find the looper for our new event handler
-            Looper looper;
-            if (handler != null) {
-                looper = handler.getLooper();
-            } else {
-                // no given handler, use the looper the AudioTrack was created in
-                looper = mInitializationLooper;
-            }
-
-            // construct the event handler with this looper
-            if (looper != null) {
-                // implement the event handler delegate
-                mHandler = new Handler(looper) {
-                    @Override
-                    public void handleMessage(Message msg) {
-                        if (track == null) {
-                            return;
-                        }
-                        switch(msg.what) {
-                        case AudioSystem.NATIVE_EVENT_ROUTING_CHANGE:
-                            if (listener != null) {
-                                listener.onRoutingChanged(track);
-                            }
-                            break;
-                        default:
-                            loge("Unknown native event type: " + msg.what);
-                            break;
-                        }
-                    }
-                };
-            } else {
-                mHandler = null;
-            }
-        }
-
-        Handler getHandler() {
-            return mHandler;
-        }
-    }
-
-    /**
-     * Marshmallow Routing API.
-     * Helper class to handle the forwarding of native events to the appropriate listener
-     * (potentially) handled in a different thread
-     */
-    private class NativeNewRoutingEventHandlerDelegate {
-        private final Handler mHandler;
-
-        NativeNewRoutingEventHandlerDelegate(final AudioTrack track,
                                    final AudioRouting.OnRoutingChangedListener listener,
                                    Handler handler) {
             // find the looper for our new event handler
diff --git a/media/java/android/media/MediaCodecInfo.java b/media/java/android/media/MediaCodecInfo.java
index 2bd9781..7af9c24 100644
--- a/media/java/android/media/MediaCodecInfo.java
+++ b/media/java/android/media/MediaCodecInfo.java
@@ -2611,10 +2611,13 @@
         public static final int VP8ProfileMain = 0x01;
 
         // from OMX_VIDEO_VP9PROFILETYPE
-        public static final int VP9Profile0 = 0x00;
-        public static final int VP9Profile1 = 0x01;
-        public static final int VP9Profile2 = 0x02;
-        public static final int VP9Profile3 = 0x03;
+        public static final int VP9Profile0 = 0x01;
+        public static final int VP9Profile1 = 0x02;
+        public static final int VP9Profile2 = 0x04;
+        public static final int VP9Profile3 = 0x08;
+        // HDR profiles also support passing HDR metadata
+        public static final int VP9Profile2HDR = 0x1000;
+        public static final int VP9Profile3HDR = 0x2000;
 
         // from OMX_VIDEO_VP9LEVELTYPE
         public static final int VP9Level1  = 0x0;
diff --git a/media/java/android/media/tv/TvTrackInfo.java b/media/java/android/media/tv/TvTrackInfo.java
index e623353..d718a7e 100644
--- a/media/java/android/media/tv/TvTrackInfo.java
+++ b/media/java/android/media/tv/TvTrackInfo.java
@@ -20,9 +20,12 @@
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.text.TextUtils;
 
 import com.android.internal.util.Preconditions;
 
+import java.util.Objects;
+
 /**
  * Encapsulates the format of tracks played in {@link TvInputService}.
  */
@@ -245,6 +248,37 @@
         dest.writeBundle(mExtra);
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+          return true;
+        }
+
+        if (!(o instanceof TvTrackInfo)) {
+          return false;
+        }
+
+        TvTrackInfo obj = (TvTrackInfo) o;
+        return TextUtils.equals(mId, obj.mId)
+                && mType == obj.mType
+                && TextUtils.equals(mLanguage, obj.mLanguage)
+                && TextUtils.equals(mDescription, obj.mDescription)
+                && Objects.equals(mExtra, obj.mExtra)
+                && (mType == TYPE_AUDIO
+                        ? mAudioChannelCount == obj.mAudioChannelCount
+                        && mAudioSampleRate == obj.mAudioSampleRate
+                        : (mType == TYPE_VIDEO
+                                ? mVideoWidth == obj.mVideoWidth
+                                && mVideoHeight == obj.mVideoHeight
+                                && mVideoFrameRate == obj.mVideoFrameRate
+                                && mVideoPixelAspectRatio == obj.mVideoPixelAspectRatio : true));
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(mId);
+    }
+
     public static final Parcelable.Creator<TvTrackInfo> CREATOR =
             new Parcelable.Creator<TvTrackInfo>() {
                 @Override
diff --git a/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java b/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
index 40b54d3..7a7d3a1 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
@@ -232,12 +232,13 @@
         final MenuItem list = menu.findItem(R.id.menu_list);
         final MenuItem fileSize = menu.findItem(R.id.menu_file_size);
 
-        boolean recents = cwd == null;
 
-        createDir.setVisible(picking && !recents && cwd.isCreateSupported());
+        createDir.setVisible(picking);
+        createDir.setEnabled(canCreateDirectory());
 
         // No display options in recent directories
-        if (picking && recents) {
+        boolean inRecents = cwd == null;
+        if (picking && inRecents) {
             grid.setVisible(false);
             list.setVisible(false);
         }
diff --git a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
index bc2133e..aa9f356 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
@@ -833,6 +833,15 @@
                 getActivity(),
                 DocumentsActivity.class);
 
+
+        // Relay any config overrides bits present in the original intent.
+        Intent original = getActivity().getIntent();
+        if (original != null && original.hasExtra(Shared.EXTRA_PRODUCTIVITY_MODE)) {
+            intent.putExtra(
+                    Shared.EXTRA_PRODUCTIVITY_MODE,
+                    original.getBooleanExtra(Shared.EXTRA_PRODUCTIVITY_MODE, false));
+        }
+
         // Set an appropriate title on the drawer when it is shown in the picker.
         // Coupled with the fact that we auto-open the drawer for copy/move operations
         // it should basically be the thing people see first.
diff --git a/packages/SystemUI/src/com/android/systemui/qs/external/TileServiceManager.java b/packages/SystemUI/src/com/android/systemui/qs/external/TileServiceManager.java
index ab21532..f34df75 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/external/TileServiceManager.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/external/TileServiceManager.java
@@ -16,13 +16,18 @@
 package com.android.systemui.qs.external;
 
 import android.app.ActivityManager;
+import android.content.BroadcastReceiver;
 import android.content.ComponentName;
+import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
+import android.net.Uri;
 import android.os.Handler;
 import android.os.UserHandle;
 import android.service.quicksettings.IQSTileService;
 import android.support.annotation.VisibleForTesting;
 import android.util.Log;
+import libcore.util.Objects;
 
 /**
  * Manages the priority which lets {@link TileServices} make decisions about which tiles
@@ -68,6 +73,12 @@
         mHandler = handler;
         mStateManager = tileLifecycleManager;
         mStateManager.setQSService(tileServices);
+
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
+        filter.addDataScheme("package");
+        mServices.getContext().registerReceiverAsUser(mUninstallReceiver,
+                new UserHandle(ActivityManager.getCurrentUser()), filter, null, mHandler);
     }
 
     public boolean isActiveTile() {
@@ -106,6 +117,7 @@
     }
 
     public void handleDestroy() {
+        mServices.getContext().unregisterReceiver(mUninstallReceiver);
         mStateManager.handleDestroy();
     }
 
@@ -198,4 +210,23 @@
             mServices.recalculateBindAllowance();
         }
     };
+
+    private final BroadcastReceiver mUninstallReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (!Intent.ACTION_PACKAGE_REMOVED.equals(intent.getAction())) {
+                return;
+            }
+            if (intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) {
+                return;
+            }
+            Uri data = intent.getData();
+            String pkgName = data.getEncodedSchemeSpecificPart();
+            final ComponentName component = mStateManager.getComponent();
+            if (!Objects.equal(pkgName, component.getPackageName())) {
+                return;
+            }
+            mServices.getHost().removeTile(component);
+        }
+    };
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/external/TileServices.java b/packages/SystemUI/src/com/android/systemui/qs/external/TileServices.java
index f36d013..2ab6b5f 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/external/TileServices.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/external/TileServices.java
@@ -72,6 +72,10 @@
         return mContext;
     }
 
+    public QSTileHost getHost() {
+        return mHost;
+    }
+
     public TileServiceManager getTileWrapper(CustomTile tile) {
         ComponentName component = tile.getComponent();
         TileServiceManager service = onCreateTileService(component);
@@ -89,6 +93,7 @@
     public void freeService(CustomTile tile, TileServiceManager service) {
         synchronized (mServices) {
             service.setBindAllowed(false);
+            service.handleDestroy();
             mServices.remove(tile);
             mTiles.remove(tile.getComponent());
             final String slot = tile.getComponent().getClassName();
diff --git a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
index 3005535..98e0dd9 100644
--- a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
+++ b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
@@ -31,12 +31,13 @@
 import android.graphics.Region.Op;
 import android.hardware.display.DisplayManager;
 import android.os.Bundle;
+import android.os.Vibrator;
 import android.util.AttributeSet;
 import android.view.Display;
 import android.view.DisplayInfo;
 import android.view.GestureDetector;
-import android.view.GestureDetector.OnDoubleTapListener;
 import android.view.GestureDetector.SimpleOnGestureListener;
+import android.view.HapticFeedbackConstants;
 import android.view.MotionEvent;
 import android.view.PointerIcon;
 import android.view.VelocityTracker;
@@ -45,7 +46,6 @@
 import android.view.ViewConfiguration;
 import android.view.ViewTreeObserver.InternalInsetsInfo;
 import android.view.ViewTreeObserver.OnComputeInternalInsetsListener;
-import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.view.WindowInsets;
 import android.view.WindowManager;
 import android.view.accessibility.AccessibilityNodeInfo;
@@ -866,6 +866,9 @@
         mEntranceAnimationRunning = true;
         resizeStack(position, mSnapAlgorithm.getMiddleTarget().position,
                 mSnapAlgorithm.getMiddleTarget());
+
+        // Vibrate after docking
+        performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
     }
 
     public final void onBusEvent(RecentsDrawnEvent drawnEvent) {
@@ -894,6 +897,9 @@
             // Don't start immediately - give a little bit time to settle the drag resize change.
             stopDragging(getCurrentPosition(), target, 336 /* duration */, 100 /* startDelay */,
                     Interpolators.TOUCH_RESPONSE);
+
+            // Vibrate after undocking
+            performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
         }
     }
 }
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 0f48d21..3ec51e3 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -13164,6 +13164,9 @@
         }
     }
 
+    private volatile long mWtfClusterStart;
+    private volatile int mWtfClusterCount;
+
     /**
      * Write a description of an error (crash, WTF, ANR) to the drop box.
      * @param eventType to include in the drop box tag ("crash", "wtf", etc.)
@@ -13190,6 +13193,16 @@
         // Exit early if the dropbox isn't configured to accept this report type.
         if (dbox == null || !dbox.isTagEnabled(dropboxTag)) return;
 
+        // Rate-limit how often we're willing to do the heavy lifting below to
+        // collect and record logs; currently 5 logs per 10 second period.
+        final long now = SystemClock.elapsedRealtime();
+        if (now - mWtfClusterStart > 10 * DateUtils.SECOND_IN_MILLIS) {
+            mWtfClusterStart = now;
+            mWtfClusterCount = 1;
+        } else {
+            if (mWtfClusterCount++ >= 5) return;
+        }
+
         final StringBuilder sb = new StringBuilder(1024);
         appendDropBoxProcessHeaders(process, processName, sb);
         if (process != null) {
@@ -17131,7 +17144,7 @@
                 // but historically it has not been protected and apps may be using it
                 // to poke their own app widget.  So, instead of making it protected,
                 // just limit it to the caller.
-                if (callerApp == null) {
+                if (callerPackage == null) {
                     String msg = "Permission Denial: not allowed to send broadcast "
                             + action + " from unknown caller.";
                     Slog.w(TAG, msg);
@@ -17140,17 +17153,17 @@
                     // They are good enough to send to an explicit component...  verify
                     // it is being sent to the calling app.
                     if (!intent.getComponent().getPackageName().equals(
-                            callerApp.info.packageName)) {
+                            callerPackage)) {
                         String msg = "Permission Denial: not allowed to send broadcast "
                                 + action + " to "
                                 + intent.getComponent().getPackageName() + " from "
-                                + callerApp.info.packageName;
+                                + callerPackage;
                         Slog.w(TAG, msg);
                         throw new SecurityException(msg);
                     }
                 } else {
                     // Limit broadcast to their own package.
-                    intent.setPackage(callerApp.info.packageName);
+                    intent.setPackage(callerPackage);
                 }
             }
         }
diff --git a/services/core/java/com/android/server/am/PreBootBroadcaster.java b/services/core/java/com/android/server/am/PreBootBroadcaster.java
index 1825c88..0e192ea 100644
--- a/services/core/java/com/android/server/am/PreBootBroadcaster.java
+++ b/services/core/java/com/android/server/am/PreBootBroadcaster.java
@@ -69,6 +69,12 @@
             return;
         }
 
+        if (!mService.isUserRunning(mUserId, 0)) {
+            Slog.i(TAG, "User " + mUserId + " is no longer running; skipping remaining receivers");
+            onFinished();
+            return;
+        }
+
         final ResolveInfo ri = mTargets.get(mIndex++);
         final ComponentName componentName = ri.activityInfo.getComponentName();
 
diff --git a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
index fb3c6ec..fe32104 100644
--- a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -49,6 +49,7 @@
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.BitmapRegionDecoder;
+import android.graphics.Matrix;
 import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.Binder;
@@ -265,70 +266,134 @@
      */
     private void generateCrop(WallpaperData wallpaper) {
         boolean success = false;
-        boolean needCrop = false;
-        boolean needScale = false;
+
+        Rect cropHint = new Rect(wallpaper.cropHint);
 
         if (DEBUG) {
             Slog.v(TAG, "Generating crop for new wallpaper(s): 0x"
                     + Integer.toHexString(wallpaper.whichPending)
-                    + " to " + wallpaper.cropFile.getName());
+                    + " to " + wallpaper.cropFile.getName()
+                    + " crop=(" + cropHint.width() + 'x' + cropHint.height()
+                    + ") dim=(" + wallpaper.width + 'x' + wallpaper.height + ')');
         }
 
         // Analyse the source; needed in multiple cases
         BitmapFactory.Options options = new BitmapFactory.Options();
         options.inJustDecodeBounds = true;
         BitmapFactory.decodeFile(wallpaper.wallpaperFile.getAbsolutePath(), options);
-
-        // We'll need to scale if the crop is sufficiently bigger than the display
-
-        // Legacy case uses an empty crop rect here, so we just preserve the
-        // source image verbatim
-        if (!wallpaper.cropHint.isEmpty()) {
-            // ...clamp the crop rect to the measured bounds...
-            wallpaper.cropHint.right = Math.min(wallpaper.cropHint.right, options.outWidth);
-            wallpaper.cropHint.bottom = Math.min(wallpaper.cropHint.bottom, options.outHeight);
-            // ...and don't bother cropping if what we're left with is identity
-            needCrop = (options.outHeight >= wallpaper.cropHint.height()
-                    && options.outWidth >= wallpaper.cropHint.width());
-        }
-
-        if (!needCrop && !needScale) {
-            // Simple case:  the nominal crop is at least as big as the source image,
-            // so we take the whole thing and just copy the image file directly.
-            if (DEBUG) {
-                Slog.v(TAG, "Null crop of new wallpaper; copying");
-            }
-            success = FileUtils.copyFile(wallpaper.wallpaperFile, wallpaper.cropFile);
-            if (!success) {
-                wallpaper.cropFile.delete();
-                // TODO: fall back to default wallpaper in this case
-            }
+        if (options.outWidth <= 0 || options.outHeight <= 0) {
+            Slog.e(TAG, "Invalid wallpaper data");
+            success = false;
         } else {
-            // Fancy case: crop and/or scale
-            FileOutputStream f = null;
-            BufferedOutputStream bos = null;
-            try {
-                BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(
-                        wallpaper.wallpaperFile.getAbsolutePath(), false);
-                Bitmap cropped = decoder.decodeRegion(wallpaper.cropHint, null);
-                decoder.recycle();
+            boolean needCrop = false;
+            boolean needScale = false;
 
-                if (cropped == null) {
-                    Slog.e(TAG, "Could not decode new wallpaper");
-                } else {
-                    f = new FileOutputStream(wallpaper.cropFile);
-                    bos = new BufferedOutputStream(f, 32*1024);
-                    cropped.compress(Bitmap.CompressFormat.PNG, 90, bos);
-                    bos.flush();  // don't rely on the implicit flush-at-close when noting success
-                    success = true;
-                }
-            } catch (IOException e) {
+            // Empty crop means use the full image
+            if (cropHint.isEmpty()) {
+                cropHint.left = cropHint.top = 0;
+                cropHint.right = options.outWidth;
+                cropHint.bottom = options.outHeight;
+            } else {
+                // force the crop rect to lie within the measured bounds
+                cropHint.offset(
+                        (cropHint.right > options.outWidth ? options.outWidth - cropHint.right : 0),
+                        (cropHint.bottom > options.outHeight ? options.outHeight - cropHint.bottom : 0));
+
+                // Don't bother cropping if what we're left with is identity
+                needCrop = (options.outHeight >= cropHint.height()
+                        && options.outWidth >= cropHint.width());
+            }
+
+            // scale if the crop height winds up not matching the recommended metrics
+            needScale = (wallpaper.height != cropHint.height());
+
+            if (DEBUG) {
+                Slog.v(TAG, "crop: w=" + cropHint.width() + " h=" + cropHint.height());
+                Slog.v(TAG, "dims: w=" + wallpaper.width + " h=" + wallpaper.height);
+                Slog.v(TAG, "meas: w=" + options.outWidth + " h=" + options.outHeight);
+                Slog.v(TAG, "crop?=" + needCrop + " scale?=" + needScale);
+            }
+
+            if (!needCrop && !needScale) {
+                // Simple case:  the nominal crop fits what we want, so we take
+                // the whole thing and just copy the image file directly.
                 if (DEBUG) {
-                    Slog.e(TAG, "I/O error decoding crop: " + e.getMessage());
+                    Slog.v(TAG, "Null crop of new wallpaper; copying");
                 }
-            } finally {
-                IoUtils.closeQuietly(bos);
-                IoUtils.closeQuietly(f);
+                success = FileUtils.copyFile(wallpaper.wallpaperFile, wallpaper.cropFile);
+                if (!success) {
+                    wallpaper.cropFile.delete();
+                    // TODO: fall back to default wallpaper in this case
+                }
+            } else {
+                // Fancy case: crop and scale.  First, we decode and scale down if appropriate.
+                FileOutputStream f = null;
+                BufferedOutputStream bos = null;
+                try {
+                    BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(
+                            wallpaper.wallpaperFile.getAbsolutePath(), false);
+
+                    // This actually downsamples only by powers of two, but that's okay; we do
+                    // a proper scaling blit later.  This is to minimize transient RAM use.
+                    // We calculate the largest power-of-two under the actual ratio rather than
+                    // just let the decode take care of it because we also want to remap where the
+                    // cropHint rectangle lies in the decoded [super]rect.
+                    final BitmapFactory.Options scaler;
+                    final int actualScale = cropHint.height() / wallpaper.height;
+                    int scale = 1;
+                    while (2*scale < actualScale) {
+                        scale *= 2;
+                    }
+                    if (scale > 1) {
+                        scaler = new BitmapFactory.Options();
+                        scaler.inSampleSize = scale;
+                        if (DEBUG) {
+                            Slog.v(TAG, "Downsampling cropped rect with scale " + scale);
+                        }
+                    } else {
+                        scaler = null;
+                    }
+                    Bitmap cropped = decoder.decodeRegion(cropHint, scaler);
+                    decoder.recycle();
+
+                    if (cropped == null) {
+                        Slog.e(TAG, "Could not decode new wallpaper");
+                    } else {
+                        // We've got the extracted crop; now we want to scale it properly to
+                        // the desired rectangle.  That's a height-biased operation: make it
+                        // fit the hinted height, and accept whatever width we end up with.
+                        cropHint.offsetTo(0, 0);
+                        cropHint.right /= scale;    // adjust by downsampling factor
+                        cropHint.bottom /= scale;
+                        final float heightR = ((float)wallpaper.height) / ((float)cropHint.height());
+                        if (DEBUG) {
+                            Slog.v(TAG, "scale " + heightR + ", extracting " + cropHint);
+                        }
+                        final int destWidth = (int)(cropHint.width() * heightR);
+                        final Bitmap finalCrop = Bitmap.createScaledBitmap(cropped,
+                                destWidth, wallpaper.height, true);
+                        if (DEBUG) {
+                            Slog.v(TAG, "Final extract:");
+                            Slog.v(TAG, "  dims: w=" + wallpaper.width
+                                    + " h=" + wallpaper.height);
+                            Slog.v(TAG, "   out: w=" + finalCrop.getWidth()
+                                    + " h=" + finalCrop.getHeight());
+                        }
+
+                        f = new FileOutputStream(wallpaper.cropFile);
+                        bos = new BufferedOutputStream(f, 32*1024);
+                        finalCrop.compress(Bitmap.CompressFormat.PNG, 90, bos);
+                        bos.flush();  // don't rely on the implicit flush-at-close when noting success
+                        success = true;
+                    }
+                } catch (Exception e) {
+                    if (DEBUG) {
+                        Slog.e(TAG, "Error decoding crop", e);
+                    }
+                } finally {
+                    IoUtils.closeQuietly(bos);
+                    IoUtils.closeQuietly(f);
+                }
             }
         }
 
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index 0aeb96f..ecfeff9 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -152,6 +152,7 @@
     private ArrayList<UsageStatsManagerInternal.AppIdleStateChangeListener>
             mPackageAccessListeners = new ArrayList<>();
 
+    private boolean mHaveCarrierPrivilegedApps;
     private List<String> mCarrierPrivilegedApps;
 
     public UsageStatsService(Context context) {
@@ -931,11 +932,14 @@
 
     private boolean isCarrierApp(String packageName) {
         synchronized (mLock) {
-            if (mCarrierPrivilegedApps == null) {
+            if (!mHaveCarrierPrivilegedApps) {
                 fetchCarrierPrivilegedAppsLocked();
             }
+            if (mCarrierPrivilegedApps != null) {
+                return mCarrierPrivilegedApps.contains(packageName);
+            }
+            return false;
         }
-        return mCarrierPrivilegedApps.contains(packageName);
     }
 
     void clearCarrierPrivilegedApps() {
@@ -943,6 +947,7 @@
             Slog.i(TAG, "Clearing carrier privileged apps list");
         }
         synchronized (mLock) {
+            mHaveCarrierPrivilegedApps = false;
             mCarrierPrivilegedApps = null; // Need to be refetched.
         }
     }
@@ -951,6 +956,7 @@
         TelephonyManager telephonyManager =
                 getContext().getSystemService(TelephonyManager.class);
         mCarrierPrivilegedApps = telephonyManager.getPackagesWithCarrierPrivileges();
+        mHaveCarrierPrivilegedApps = true;
         if (DEBUG) {
             Slog.d(TAG, "apps with carrier privilege " + mCarrierPrivilegedApps);
         }
@@ -1024,7 +1030,8 @@
             }
 
             pw.println();
-            pw.println("Carrier privileged apps: " + mCarrierPrivilegedApps);
+            pw.println("Carrier privileged apps (have=" + mHaveCarrierPrivilegedApps
+                    + "): " + mCarrierPrivilegedApps);
 
             pw.println();
             pw.println("Settings:");
diff --git a/telephony/java/com/android/internal/telephony/DctConstants.java b/telephony/java/com/android/internal/telephony/DctConstants.java
index fcb967f..ccabace 100644
--- a/telephony/java/com/android/internal/telephony/DctConstants.java
+++ b/telephony/java/com/android/internal/telephony/DctConstants.java
@@ -102,6 +102,7 @@
     public static final int CMD_NET_STAT_POLL = BASE + 40;
     public static final int EVENT_DATA_RAT_CHANGED = BASE + 41;
     public static final int CMD_CLEAR_PROVISIONING_SPINNER = BASE + 42;
+    public static final int EVENT_DEVICE_PROVISIONED_CHANGE = BASE + 43;
 
     /***** Constants *****/
 
diff --git a/tests/SoundTriggerTestApp/res/layout/main.xml b/tests/SoundTriggerTestApp/res/layout/main.xml
index 702be49..06949a0 100644
--- a/tests/SoundTriggerTestApp/res/layout/main.xml
+++ b/tests/SoundTriggerTestApp/res/layout/main.xml
@@ -60,29 +60,22 @@
         android:onClick="onUnEnrollButtonClicked"
         android:padding="20dp" />
 
+    <Button
+        android:id="@+id/play_trigger_id"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/play_trigger"
+        android:onClick="onPlayTriggerButtonClicked"
+        android:padding="20dp" />
+
 </LinearLayout>
 
 <RadioGroup xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/model_group_id"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:padding="20dp"
-        android:checkedButton="@+id/model_one"
         android:orientation="vertical">
-   <RadioButton android:id="@+id/model_one"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/model_one"
-        android:onClick="onRadioButtonClicked"/>
-   <RadioButton android:id="@+id/model_two"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/model_two"
-        android:onClick="onRadioButtonClicked"/>
-   <RadioButton android:id="@+id/model_three"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/model_three"
-        android:onClick="onRadioButtonClicked"/>
 </RadioGroup>
 
 <ScrollView
@@ -93,7 +86,7 @@
        android:fillViewport="true">
 
       <TextView
-         android:id="@+id/console"
+        android:id="@+id/console"
         android:paddingTop="20pt"
         android:layout_height="fill_parent"
         android:layout_width="fill_parent"
diff --git a/tests/SoundTriggerTestApp/res/values/strings.xml b/tests/SoundTriggerTestApp/res/values/strings.xml
index b4ca71b..7c1f649 100644
--- a/tests/SoundTriggerTestApp/res/values/strings.xml
+++ b/tests/SoundTriggerTestApp/res/values/strings.xml
@@ -21,8 +21,6 @@
     <string name="unenroll">Un-load</string>
     <string name="start_recog">Start</string>
     <string name="stop_recog">Stop</string>
-    <string name="model_one">Model One</string>
-    <string name="model_two">Model Two</string>
-    <string name="model_three">Model Three</string>
+    <string name="play_trigger">Play Trigger Audio</string>
     <string name="none">Debug messages appear here:\n</string>
 </resources>
diff --git a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
index 3ca96d2..5fd38e9 100644
--- a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
+++ b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
@@ -16,24 +16,36 @@
 
 package com.android.test.soundtrigger;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
 import java.util.Random;
 import java.util.UUID;
 
 import android.app.Activity;
-import android.hardware.soundtrigger.SoundTrigger;
 import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
+import android.hardware.soundtrigger.SoundTrigger;
 import android.media.AudioFormat;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
 import android.media.soundtrigger.SoundTriggerDetector;
 import android.media.soundtrigger.SoundTriggerManager;
-import android.text.Editable;
-import android.text.method.ScrollingMovementMethod;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.PowerManager;
 import android.os.UserManager;
+import android.text.Editable;
+import android.text.method.ScrollingMovementMethod;
 import android.util.Log;
 import android.view.View;
+import android.widget.Button;
 import android.widget.RadioButton;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
 import android.widget.ScrollView;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -44,20 +56,17 @@
 
     private SoundTriggerUtil mSoundTriggerUtil;
     private Random mRandom;
-    private UUID mModelUuid1 = UUID.randomUUID();
-    private UUID mModelUuid2 = UUID.randomUUID();
-    private UUID mModelUuid3 = UUID.randomUUID();
-    private UUID mVendorUuid = UUID.randomUUID();
 
-    private SoundTriggerDetector mDetector1 = null;
-    private SoundTriggerDetector mDetector2 = null;
-    private SoundTriggerDetector mDetector3 = null;
+    private Map<Integer, ModelInfo> mModelInfoMap;
+    private Map<View, Integer> mModelIdMap;
 
     private TextView mDebugView = null;
-    private int mSelectedModelId = 1;
+    private int mSelectedModelId = -1;
     private ScrollView mScrollView = null;
+    private Button mPlayTriggerButton = null;
     private PowerManager.WakeLock mScreenWakelock;
     private Handler mHandler;
+    private RadioGroup mRadioGroup;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -66,11 +75,108 @@
         setContentView(R.layout.main);
         mDebugView = (TextView) findViewById(R.id.console);
         mScrollView = (ScrollView) findViewById(R.id.scroller_id);
+        mRadioGroup = (RadioGroup) findViewById(R.id.model_group_id);
+        mPlayTriggerButton = (Button) findViewById(R.id.play_trigger_id);
         mDebugView.setText(mDebugView.getText(), TextView.BufferType.EDITABLE);
         mDebugView.setMovementMethod(new ScrollingMovementMethod());
         mSoundTriggerUtil = new SoundTriggerUtil(this);
         mRandom = new Random();
         mHandler = new Handler();
+
+        mModelInfoMap = new HashMap();
+        mModelIdMap = new HashMap();
+
+        setVolumeControlStream(AudioManager.STREAM_MUSIC);
+
+        // Load all the models in the data dir.
+        for (File file : getFilesDir().listFiles()) {
+            // Find meta-data in .properties files, ignore everything else.
+            if (!file.getName().endsWith(".properties")) {
+                continue;
+            }
+            try {
+                Properties properties = new Properties();
+                properties.load(new FileInputStream(file));
+                createModelInfoAndWidget(properties);
+            } catch (Exception e) {
+                Log.e(TAG, "Failed to load properties file " + file.getName());
+            }
+        }
+
+        // Create a few dummy models if we didn't load anything.
+        if (mModelIdMap.isEmpty()) {
+            Properties dummyModelProperties = new Properties();
+            for (String name : new String[]{"One", "Two", "Three"}) {
+                dummyModelProperties.setProperty("name", "Model " + name);
+                createModelInfoAndWidget(dummyModelProperties);
+            }
+        }
+    }
+
+    private void createModelInfoAndWidget(Properties properties) {
+        try {
+            ModelInfo modelInfo = new ModelInfo();
+
+            if (!properties.containsKey("name")) {
+                throw new RuntimeException("must have a 'name' property");
+            }
+            modelInfo.name = properties.getProperty("name");
+
+            if (properties.containsKey("modelUuid")) {
+                modelInfo.modelUuid = UUID.fromString(properties.getProperty("modelUuid"));
+            } else {
+                modelInfo.modelUuid = UUID.randomUUID();
+            }
+
+            if (properties.containsKey("vendorUuid")) {
+                modelInfo.vendorUuid = UUID.fromString(properties.getProperty("vendorUuid"));
+            } else {
+                modelInfo.vendorUuid = UUID.randomUUID();
+            }
+
+            if (properties.containsKey("triggerAudio")) {
+                modelInfo.triggerAudioPlayer = MediaPlayer.create(this, Uri.parse(
+                        getFilesDir().getPath() + "/" + properties.getProperty("triggerAudio")));
+            }
+
+            if (properties.containsKey("dataFile")) {
+                File modelDataFile = new File(
+                        getFilesDir().getPath() + "/" + properties.getProperty("dataFile"));
+                modelInfo.modelData = new byte[(int) modelDataFile.length()];
+                FileInputStream input = new FileInputStream(modelDataFile);
+                input.read(modelInfo.modelData, 0, modelInfo.modelData.length);
+            } else {
+                modelInfo.modelData = new byte[1024];
+                mRandom.nextBytes(modelInfo.modelData);
+            }
+
+            // TODO: Add property support for keyphrase models when they're exposed by the
+            // service. Also things like how much audio they should record with the capture session
+            // provided in the callback.
+
+            // Add a widget into the radio group.
+            RadioButton button = new RadioButton(this);
+            mRadioGroup.addView(button);
+            button.setText(modelInfo.name);
+            button.setOnClickListener(new View.OnClickListener() {
+                public void onClick(View v) {
+                    onRadioButtonClicked(v);
+                }
+            });
+
+            // Update our maps containing the button -> id and id -> modelInfo.
+            int newModelId = mModelIdMap.size() + 1;
+            mModelIdMap.put(button, newModelId);
+            mModelInfoMap.put(newModelId, modelInfo);
+
+            // If we don't have something selected, select this first thing.
+            if (mSelectedModelId < 0) {
+                button.setChecked(true);
+                onRadioButtonClicked(button);
+            }
+        } catch (IOException e) {
+            Log.e(TAG, "Error parsing properties for " + properties.getProperty("name"), e);
+        }
     }
 
     private void postMessage(String msg) {
@@ -91,27 +197,15 @@
     }
 
     private synchronized UUID getSelectedUuid() {
-        if (mSelectedModelId == 2) return mModelUuid2;
-        if (mSelectedModelId == 3) return mModelUuid3;
-        return mModelUuid1;  // Default.
+        return mModelInfoMap.get(mSelectedModelId).modelUuid;
     }
 
     private synchronized void setDetector(SoundTriggerDetector detector) {
-        if (mSelectedModelId == 2) {
-            mDetector2 = detector;
-            return;
-        }
-        if (mSelectedModelId == 3) {
-            mDetector3 = detector;
-            return;
-        }
-        mDetector1 = detector;
+        mModelInfoMap.get(mSelectedModelId).detector = detector;
     }
 
     private synchronized SoundTriggerDetector getDetector() {
-        if (mSelectedModelId == 2) return mDetector2;
-        if (mSelectedModelId == 3) return mDetector3;
-        return mDetector1;
+        return mModelInfoMap.get(mSelectedModelId).detector;
     }
 
     private void screenWakeup() {
@@ -127,25 +221,29 @@
         mScreenWakelock.release();
     }
 
+    /** TODO: Should return the abstract sound model that can be then sent to the service. */
+    private GenericSoundModel createNewSoundModel() {
+        ModelInfo modelInfo = mModelInfoMap.get(mSelectedModelId);
+        return new GenericSoundModel(modelInfo.modelUuid, modelInfo.vendorUuid,
+                modelInfo.modelData);
+    }
+
     /**
      * Called when the user clicks the enroll button.
      * Performs a fresh enrollment.
      */
     public void onEnrollButtonClicked(View v) {
         postMessage("Loading model: " + mSelectedModelId);
-        // Generate a fake model to push.
-        byte[] data = new byte[1024];
-        mRandom.nextBytes(data);
-        UUID modelUuid = getSelectedUuid();
-        GenericSoundModel model = new GenericSoundModel(modelUuid, mVendorUuid, data);
+
+        GenericSoundModel model = createNewSoundModel();
 
         boolean status = mSoundTriggerUtil.addOrUpdateSoundModel(model);
         if (status) {
             Toast.makeText(
-                    this, "Successfully created sound trigger model UUID=" + modelUuid,
+                    this, "Successfully created sound trigger model UUID=" + model.uuid,
                     Toast.LENGTH_SHORT).show();
         } else {
-            Toast.makeText(this, "Failed to enroll!!!" + modelUuid, Toast.LENGTH_SHORT).show();
+            Toast.makeText(this, "Failed to enroll!!!" + model.uuid, Toast.LENGTH_SHORT).show();
         }
 
         // Test the SoundManager API.
@@ -185,11 +283,7 @@
             Toast.makeText(this, "Sound model not found!!!", Toast.LENGTH_SHORT).show();
             return;
         }
-        // Generate a fake model to push.
-        byte[] data = new byte[2048];
-        mRandom.nextBytes(data);
-        GenericSoundModel updated = new GenericSoundModel(soundModel.uuid,
-                soundModel.vendorUuid, data);
+        GenericSoundModel updated = createNewSoundModel();
         boolean status = mSoundTriggerUtil.addOrUpdateSoundModel(updated);
         if (status) {
             Toast.makeText(this, "Successfully re-enrolled, model UUID=" + updated.uuid,
@@ -237,29 +331,32 @@
     public synchronized void onRadioButtonClicked(View view) {
         // Is the button now checked?
         boolean checked = ((RadioButton) view).isChecked();
-        // Check which radio button was clicked
-        switch(view.getId()) {
-            case R.id.model_one:
-                if (checked) {
-                    mSelectedModelId = 1;
-                    postMessage("Selected model one.");
-                }
-                break;
-            case R.id.model_two:
-                if (checked) {
-                    mSelectedModelId = 2;
-                    postMessage("Selected model two.");
-                }
-                break;
-            case R.id.model_three:
-                if (checked) {
-                    mSelectedModelId = 3;
-                    postMessage("Selected model three.");
-                }
-                break;
+        if (checked) {
+            mSelectedModelId = mModelIdMap.get(view);
+            ModelInfo modelInfo = mModelInfoMap.get(mSelectedModelId);
+            postMessage("Selected " + modelInfo.name);
+
+            // Set the play trigger button to be enabled only if we actually have some audio.
+            mPlayTriggerButton.setEnabled(modelInfo.triggerAudioPlayer != null);
         }
     }
 
+    public synchronized void onPlayTriggerButtonClicked(View v) {
+        ModelInfo modelInfo = mModelInfoMap.get(mSelectedModelId);
+        modelInfo.triggerAudioPlayer.start();
+        postMessage("Playing trigger audio for " + modelInfo.name);
+    }
+
+    // Helper struct for holding information about a model.
+    private static class ModelInfo {
+      public String name;
+      public UUID modelUuid;
+      public UUID vendorUuid;
+      public MediaPlayer triggerAudioPlayer;
+      public SoundTriggerDetector detector;
+      public byte modelData[];
+    };
+
     // Implementation of SoundTriggerDetector.Callback.
     public class DetectorCallback extends SoundTriggerDetector.Callback {
         public void onAvailabilityChanged(int status) {
diff --git a/wifi/java/android/net/wifi/IWifiManager.aidl b/wifi/java/android/net/wifi/IWifiManager.aidl
index 0f84506..be5b8fc 100644
--- a/wifi/java/android/net/wifi/IWifiManager.aidl
+++ b/wifi/java/android/net/wifi/IWifiManager.aidl
@@ -149,7 +149,7 @@
     void setAllowScansWithTraffic(int enabled);
     int getAllowScansWithTraffic();
 
-    boolean enableAutoJoinWhenAssociated(boolean enabled);
+    boolean setEnableAutoJoinWhenAssociated(boolean enabled);
     boolean getEnableAutoJoinWhenAssociated();
 
     void enableWifiConnectivityManager(boolean enabled);
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java
index 6984fe2..1cd32b6 100644
--- a/wifi/java/android/net/wifi/WifiManager.java
+++ b/wifi/java/android/net/wifi/WifiManager.java
@@ -2700,9 +2700,9 @@
      * @return true -- if set successful false -- if set failed
      * @hide
      */
-    public boolean enableAutoJoinWhenAssociated(boolean enabled) {
+    public boolean setEnableAutoJoinWhenAssociated(boolean enabled) {
         try {
-            return mService.enableAutoJoinWhenAssociated(enabled);
+            return mService.setEnableAutoJoinWhenAssociated(enabled);
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }