Merge "Deliver MEDIA_SCANNER_SCAN_FILE to background receivers"
diff --git a/Android.mk b/Android.mk
index 2539c3d..71b77d5 100644
--- a/Android.mk
+++ b/Android.mk
@@ -107,6 +107,7 @@
 	core/java/android/app/backup/IFullBackupRestoreObserver.aidl \
 	core/java/android/app/backup/IRestoreObserver.aidl \
 	core/java/android/app/backup/IRestoreSession.aidl \
+	core/java/android/app/backup/ISelectBackupTransportCallback.aidl \
 	core/java/android/app/usage/IStorageStatsManager.aidl \
 	core/java/android/app/usage/IUsageStatsManager.aidl \
 	core/java/android/bluetooth/IBluetooth.aidl \
diff --git a/api/current.txt b/api/current.txt
index e4ef7b0..835ec53 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -1169,6 +1169,7 @@
     field public static final int spinnerStyle = 16842881; // 0x1010081
     field public static final int spinnersShown = 16843595; // 0x101034b
     field public static final int splitMotionEvents = 16843503; // 0x10102ef
+    field public static final int splitName = 16844107; // 0x101054b
     field public static final int splitTrack = 16843852; // 0x101044c
     field public static final int spotShadowAlpha = 16843967; // 0x10104bf
     field public static final int src = 16843033; // 0x1010119
@@ -13226,6 +13227,7 @@
   }
 
   public class Typeface {
+    method public static void create(android.graphics.fonts.FontRequest, android.graphics.Typeface.FontRequestCallback);
     method public static android.graphics.Typeface create(java.lang.String, int);
     method public static android.graphics.Typeface create(android.graphics.Typeface, int);
     method public static android.graphics.Typeface createFromAsset(android.content.res.AssetManager, java.lang.String);
@@ -13246,6 +13248,14 @@
     field public static final android.graphics.Typeface SERIF;
   }
 
+  public static abstract interface Typeface.FontRequestCallback {
+    method public abstract void onTypefaceRequestFailed(int);
+    method public abstract void onTypefaceRetrieved(android.graphics.Typeface);
+    field public static final int FAIL_REASON_FONT_LOAD_ERROR = 1; // 0x1
+    field public static final int FAIL_REASON_FONT_NOT_FOUND = 2; // 0x2
+    field public static final int FAIL_REASON_PROVIDER_NOT_FOUND = 0; // 0x0
+  }
+
   public class Xfermode {
     ctor public Xfermode();
   }
@@ -13800,6 +13810,19 @@
 
 }
 
+package android.graphics.fonts {
+
+  public final class FontRequest implements android.os.Parcelable {
+    ctor public FontRequest(java.lang.String, java.lang.String);
+    method public int describeContents();
+    method public java.lang.String getProviderAuthority();
+    method public java.lang.String getQuery();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.graphics.fonts.FontRequest> CREATOR;
+  }
+
+}
+
 package android.graphics.pdf {
 
   public class PdfDocument {
@@ -33045,6 +33068,16 @@
     method public final int update(android.net.Uri, android.content.ContentValues, java.lang.String, java.lang.String[]);
   }
 
+  public class FontsContract {
+  }
+
+  public static final class FontsContract.Columns implements android.provider.BaseColumns {
+    ctor public FontsContract.Columns();
+    field public static final java.lang.String STYLE = "font_style";
+    field public static final java.lang.String TTC_INDEX = "font_ttc_index";
+    field public static final java.lang.String VARIATION_SETTINGS = "font_variation_settings";
+  }
+
   public final deprecated class LiveFolders implements android.provider.BaseColumns {
     field public static final java.lang.String ACTION_CREATE_LIVE_FOLDER = "android.intent.action.CREATE_LIVE_FOLDER";
     field public static final java.lang.String DESCRIPTION = "description";
@@ -43793,6 +43826,7 @@
     method public float getElevation();
     method public boolean getFilterTouchesWhenObscured();
     method public boolean getFitsSystemWindows();
+    method public int getFocusable();
     method public java.util.ArrayList<android.view.View> getFocusables(int);
     method public void getFocusedRect(android.graphics.Rect);
     method public android.graphics.drawable.Drawable getForeground();
@@ -44097,6 +44131,7 @@
     method public void setFilterTouchesWhenObscured(boolean);
     method public void setFitsSystemWindows(boolean);
     method public void setFocusable(boolean);
+    method public void setFocusable(int);
     method public void setFocusableInTouchMode(boolean);
     method public void setFocusedByDefault(boolean);
     method public void setForeground(android.graphics.drawable.Drawable);
@@ -44235,8 +44270,10 @@
     field protected static final int[] ENABLED_WINDOW_FOCUSED_STATE_SET;
     field public static final int FIND_VIEWS_WITH_CONTENT_DESCRIPTION = 2; // 0x2
     field public static final int FIND_VIEWS_WITH_TEXT = 1; // 0x1
+    field public static final int FOCUSABLE = 1; // 0x1
     field public static final int FOCUSABLES_ALL = 0; // 0x0
     field public static final int FOCUSABLES_TOUCH_MODE = 1; // 0x1
+    field public static final int FOCUSABLE_AUTO = 16; // 0x10
     field protected static final int[] FOCUSED_SELECTED_STATE_SET;
     field protected static final int[] FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET;
     field protected static final int[] FOCUSED_STATE_SET;
@@ -44266,6 +44303,7 @@
     field public static final int MEASURED_SIZE_MASK = 16777215; // 0xffffff
     field public static final int MEASURED_STATE_MASK = -16777216; // 0xff000000
     field public static final int MEASURED_STATE_TOO_SMALL = 16777216; // 0x1000000
+    field public static final int NOT_FOCUSABLE = 0; // 0x0
     field public static final int NO_ID = -1; // 0xffffffff
     field public static final int OVER_SCROLL_ALWAYS = 0; // 0x0
     field public static final int OVER_SCROLL_IF_CONTENT_SCROLLS = 1; // 0x1
diff --git a/api/system-current.txt b/api/system-current.txt
index 263711e..e7d441a 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -1282,6 +1282,7 @@
     field public static final int spinnerStyle = 16842881; // 0x1010081
     field public static final int spinnersShown = 16843595; // 0x101034b
     field public static final int splitMotionEvents = 16843503; // 0x10102ef
+    field public static final int splitName = 16844107; // 0x101054b
     field public static final int splitTrack = 16843852; // 0x101044c
     field public static final int spotShadowAlpha = 16843967; // 0x10104bf
     field public static final int src = 16843033; // 0x1010119
@@ -6786,15 +6787,18 @@
     method public int requestBackup(java.lang.String[], android.app.backup.BackupObserver);
     method public int requestBackup(java.lang.String[], android.app.backup.BackupObserver, int);
     method public int requestRestore(android.app.backup.RestoreObserver);
-    method public java.lang.String selectBackupTransport(java.lang.String);
+    method public deprecated java.lang.String selectBackupTransport(java.lang.String);
+    method public void selectBackupTransport(android.content.ComponentName, android.app.backup.SelectBackupTransportCallback);
     method public void setAutoRestore(boolean);
     method public void setBackupEnabled(boolean);
     field public static final int ERROR_AGENT_FAILURE = -1003; // 0xfffffc15
     field public static final int ERROR_BACKUP_NOT_ALLOWED = -2001; // 0xfffff82f
     field public static final int ERROR_PACKAGE_NOT_FOUND = -2002; // 0xfffff82e
     field public static final int ERROR_TRANSPORT_ABORTED = -1000; // 0xfffffc18
+    field public static final int ERROR_TRANSPORT_INVALID = -2; // 0xfffffffe
     field public static final int ERROR_TRANSPORT_PACKAGE_REJECTED = -1002; // 0xfffffc16
     field public static final int ERROR_TRANSPORT_QUOTA_EXCEEDED = -1005; // 0xfffffc13
+    field public static final int ERROR_TRANSPORT_UNAVAILABLE = -1; // 0xffffffff
     field public static final int FLAG_NON_INCREMENTAL_BACKUP = 1; // 0x1
     field public static final java.lang.String PACKAGE_MANAGER_SENTINEL = "@pm@";
     field public static final int SUCCESS = 0; // 0x0
@@ -6909,6 +6913,12 @@
     field public long token;
   }
 
+  public abstract class SelectBackupTransportCallback {
+    ctor public SelectBackupTransportCallback();
+    method public void onFailure(int);
+    method public void onSuccess(java.lang.String);
+  }
+
   public class SharedPreferencesBackupHelper extends android.app.backup.FileBackupHelperBase implements android.app.backup.BackupHelper {
     ctor public SharedPreferencesBackupHelper(android.content.Context, java.lang.String...);
     method public void performBackup(android.os.ParcelFileDescriptor, android.app.backup.BackupDataOutput, android.os.ParcelFileDescriptor);
@@ -13773,6 +13783,7 @@
   }
 
   public class Typeface {
+    method public static void create(android.graphics.fonts.FontRequest, android.graphics.Typeface.FontRequestCallback);
     method public static android.graphics.Typeface create(java.lang.String, int);
     method public static android.graphics.Typeface create(android.graphics.Typeface, int);
     method public static android.graphics.Typeface createFromAsset(android.content.res.AssetManager, java.lang.String);
@@ -13793,6 +13804,14 @@
     field public static final android.graphics.Typeface SERIF;
   }
 
+  public static abstract interface Typeface.FontRequestCallback {
+    method public abstract void onTypefaceRequestFailed(int);
+    method public abstract void onTypefaceRetrieved(android.graphics.Typeface);
+    field public static final int FAIL_REASON_FONT_LOAD_ERROR = 1; // 0x1
+    field public static final int FAIL_REASON_FONT_NOT_FOUND = 2; // 0x2
+    field public static final int FAIL_REASON_PROVIDER_NOT_FOUND = 0; // 0x0
+  }
+
   public class Xfermode {
     ctor public Xfermode();
   }
@@ -14347,6 +14366,19 @@
 
 }
 
+package android.graphics.fonts {
+
+  public final class FontRequest implements android.os.Parcelable {
+    ctor public FontRequest(java.lang.String, java.lang.String);
+    method public int describeContents();
+    method public java.lang.String getProviderAuthority();
+    method public java.lang.String getQuery();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.graphics.fonts.FontRequest> CREATOR;
+  }
+
+}
+
 package android.graphics.pdf {
 
   public class PdfDocument {
@@ -35913,6 +35945,16 @@
     method public final int update(android.net.Uri, android.content.ContentValues, java.lang.String, java.lang.String[]);
   }
 
+  public class FontsContract {
+  }
+
+  public static final class FontsContract.Columns implements android.provider.BaseColumns {
+    ctor public FontsContract.Columns();
+    field public static final java.lang.String STYLE = "font_style";
+    field public static final java.lang.String TTC_INDEX = "font_ttc_index";
+    field public static final java.lang.String VARIATION_SETTINGS = "font_variation_settings";
+  }
+
   public final deprecated class LiveFolders implements android.provider.BaseColumns {
     field public static final java.lang.String ACTION_CREATE_LIVE_FOLDER = "android.intent.action.CREATE_LIVE_FOLDER";
     field public static final java.lang.String DESCRIPTION = "description";
@@ -47142,6 +47184,7 @@
     method public float getElevation();
     method public boolean getFilterTouchesWhenObscured();
     method public boolean getFitsSystemWindows();
+    method public int getFocusable();
     method public java.util.ArrayList<android.view.View> getFocusables(int);
     method public void getFocusedRect(android.graphics.Rect);
     method public android.graphics.drawable.Drawable getForeground();
@@ -47446,6 +47489,7 @@
     method public void setFilterTouchesWhenObscured(boolean);
     method public void setFitsSystemWindows(boolean);
     method public void setFocusable(boolean);
+    method public void setFocusable(int);
     method public void setFocusableInTouchMode(boolean);
     method public void setFocusedByDefault(boolean);
     method public void setForeground(android.graphics.drawable.Drawable);
@@ -47584,8 +47628,10 @@
     field protected static final int[] ENABLED_WINDOW_FOCUSED_STATE_SET;
     field public static final int FIND_VIEWS_WITH_CONTENT_DESCRIPTION = 2; // 0x2
     field public static final int FIND_VIEWS_WITH_TEXT = 1; // 0x1
+    field public static final int FOCUSABLE = 1; // 0x1
     field public static final int FOCUSABLES_ALL = 0; // 0x0
     field public static final int FOCUSABLES_TOUCH_MODE = 1; // 0x1
+    field public static final int FOCUSABLE_AUTO = 16; // 0x10
     field protected static final int[] FOCUSED_SELECTED_STATE_SET;
     field protected static final int[] FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET;
     field protected static final int[] FOCUSED_STATE_SET;
@@ -47615,6 +47661,7 @@
     field public static final int MEASURED_SIZE_MASK = 16777215; // 0xffffff
     field public static final int MEASURED_STATE_MASK = -16777216; // 0xff000000
     field public static final int MEASURED_STATE_TOO_SMALL = 16777216; // 0x1000000
+    field public static final int NOT_FOCUSABLE = 0; // 0x0
     field public static final int NO_ID = -1; // 0xffffffff
     field public static final int OVER_SCROLL_ALWAYS = 0; // 0x0
     field public static final int OVER_SCROLL_IF_CONTENT_SCROLLS = 1; // 0x1
diff --git a/api/test-current.txt b/api/test-current.txt
index 4f28ed6..243c49f 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -1169,6 +1169,7 @@
     field public static final int spinnerStyle = 16842881; // 0x1010081
     field public static final int spinnersShown = 16843595; // 0x101034b
     field public static final int splitMotionEvents = 16843503; // 0x10102ef
+    field public static final int splitName = 16844107; // 0x101054b
     field public static final int splitTrack = 16843852; // 0x101044c
     field public static final int spotShadowAlpha = 16843967; // 0x10104bf
     field public static final int src = 16843033; // 0x1010119
@@ -13258,6 +13259,7 @@
   }
 
   public class Typeface {
+    method public static void create(android.graphics.fonts.FontRequest, android.graphics.Typeface.FontRequestCallback);
     method public static android.graphics.Typeface create(java.lang.String, int);
     method public static android.graphics.Typeface create(android.graphics.Typeface, int);
     method public static android.graphics.Typeface createFromAsset(android.content.res.AssetManager, java.lang.String);
@@ -13278,6 +13280,14 @@
     field public static final android.graphics.Typeface SERIF;
   }
 
+  public static abstract interface Typeface.FontRequestCallback {
+    method public abstract void onTypefaceRequestFailed(int);
+    method public abstract void onTypefaceRetrieved(android.graphics.Typeface);
+    field public static final int FAIL_REASON_FONT_LOAD_ERROR = 1; // 0x1
+    field public static final int FAIL_REASON_FONT_NOT_FOUND = 2; // 0x2
+    field public static final int FAIL_REASON_PROVIDER_NOT_FOUND = 0; // 0x0
+  }
+
   public class Xfermode {
     ctor public Xfermode();
   }
@@ -13832,6 +13842,19 @@
 
 }
 
+package android.graphics.fonts {
+
+  public final class FontRequest implements android.os.Parcelable {
+    ctor public FontRequest(java.lang.String, java.lang.String);
+    method public int describeContents();
+    method public java.lang.String getProviderAuthority();
+    method public java.lang.String getQuery();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.graphics.fonts.FontRequest> CREATOR;
+  }
+
+}
+
 package android.graphics.pdf {
 
   public class PdfDocument {
@@ -33161,6 +33184,16 @@
     method public final int update(android.net.Uri, android.content.ContentValues, java.lang.String, java.lang.String[]);
   }
 
+  public class FontsContract {
+  }
+
+  public static final class FontsContract.Columns implements android.provider.BaseColumns {
+    ctor public FontsContract.Columns();
+    field public static final java.lang.String STYLE = "font_style";
+    field public static final java.lang.String TTC_INDEX = "font_ttc_index";
+    field public static final java.lang.String VARIATION_SETTINGS = "font_variation_settings";
+  }
+
   public final deprecated class LiveFolders implements android.provider.BaseColumns {
     field public static final java.lang.String ACTION_CREATE_LIVE_FOLDER = "android.intent.action.CREATE_LIVE_FOLDER";
     field public static final java.lang.String DESCRIPTION = "description";
@@ -44084,6 +44117,7 @@
     method public float getElevation();
     method public boolean getFilterTouchesWhenObscured();
     method public boolean getFitsSystemWindows();
+    method public int getFocusable();
     method public java.util.ArrayList<android.view.View> getFocusables(int);
     method public void getFocusedRect(android.graphics.Rect);
     method public android.graphics.drawable.Drawable getForeground();
@@ -44389,6 +44423,7 @@
     method public void setFilterTouchesWhenObscured(boolean);
     method public void setFitsSystemWindows(boolean);
     method public void setFocusable(boolean);
+    method public void setFocusable(int);
     method public void setFocusableInTouchMode(boolean);
     method public void setFocusedByDefault(boolean);
     method public void setForeground(android.graphics.drawable.Drawable);
@@ -44527,8 +44562,10 @@
     field protected static final int[] ENABLED_WINDOW_FOCUSED_STATE_SET;
     field public static final int FIND_VIEWS_WITH_CONTENT_DESCRIPTION = 2; // 0x2
     field public static final int FIND_VIEWS_WITH_TEXT = 1; // 0x1
+    field public static final int FOCUSABLE = 1; // 0x1
     field public static final int FOCUSABLES_ALL = 0; // 0x0
     field public static final int FOCUSABLES_TOUCH_MODE = 1; // 0x1
+    field public static final int FOCUSABLE_AUTO = 16; // 0x10
     field protected static final int[] FOCUSED_SELECTED_STATE_SET;
     field protected static final int[] FOCUSED_SELECTED_WINDOW_FOCUSED_STATE_SET;
     field protected static final int[] FOCUSED_STATE_SET;
@@ -44558,6 +44595,7 @@
     field public static final int MEASURED_SIZE_MASK = 16777215; // 0xffffff
     field public static final int MEASURED_STATE_MASK = -16777216; // 0xff000000
     field public static final int MEASURED_STATE_TOO_SMALL = 16777216; // 0x1000000
+    field public static final int NOT_FOCUSABLE = 0; // 0x0
     field public static final int NO_ID = -1; // 0xffffffff
     field public static final int OVER_SCROLL_ALWAYS = 0; // 0x0
     field public static final int OVER_SCROLL_IF_CONTENT_SCROLLS = 1; // 0x1
diff --git a/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java b/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java
index 780db5e..7e91391 100644
--- a/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java
+++ b/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java
@@ -18,20 +18,24 @@
 
 import android.app.backup.BackupManager;
 import android.app.backup.BackupProgress;
-import android.app.backup.RestoreSet;
 import android.app.backup.IBackupManager;
 import android.app.backup.IBackupObserver;
 import android.app.backup.IRestoreObserver;
 import android.app.backup.IRestoreSession;
+import android.app.backup.RestoreSet;
+import android.app.backup.ISelectBackupTransportCallback;
+import android.content.ComponentName;
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageInfo;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
+import android.util.Log;
 
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
+import java.util.concurrent.CountDownLatch;
 
 public final class Bmgr {
     IBackupManager mBmgr;
@@ -363,6 +367,11 @@
                 return;
             }
 
+            if ("-c".equals(which)) {
+                doTransportByComponent();
+                return;
+            }
+
             String old = mBmgr.selectBackupTransport(which);
             if (old == null) {
                 System.out.println("Unknown transport '" + which
@@ -370,12 +379,50 @@
             } else {
                 System.out.println("Selected transport " + which + " (formerly " + old + ")");
             }
+
         } catch (RemoteException e) {
             System.err.println(e.toString());
             System.err.println(BMGR_NOT_RUNNING_ERR);
         }
     }
 
+    private void doTransportByComponent() {
+        String which = nextArg();
+        if (which == null) {
+            showUsage();
+            return;
+        }
+
+        final CountDownLatch latch = new CountDownLatch(1);
+
+        try {
+            mBmgr.selectBackupTransportAsync(ComponentName.unflattenFromString(which),
+                    new ISelectBackupTransportCallback.Stub() {
+                        @Override
+                        public void onSuccess(String transportName) {
+                            System.out.println("Success. Selected transport: " + transportName);
+                            latch.countDown();
+                        }
+
+                        @Override
+                        public void onFailure(int reason) {
+                            System.err.println("Failure. error=" + reason);
+                            latch.countDown();
+                        }
+                    });
+        } catch (RemoteException e) {
+            System.err.println(e.toString());
+            System.err.println(BMGR_NOT_RUNNING_ERR);
+            return;
+        }
+
+        try {
+            latch.await();
+        } catch (InterruptedException e) {
+            System.err.println("Operation interrupted.");
+        }
+    }
+
     private void doWipe() {
         String transport = nextArg();
         if (transport == null) {
@@ -427,7 +474,16 @@
     }
 
     private void doListTransports() {
+        String arg = nextArg();
+
         try {
+            if ("-c".equals(arg)) {
+                for (ComponentName transport : mBmgr.listAllTransportComponents()) {
+                    System.out.println(transport.flattenToShortString());
+                }
+                return;
+            }
+
             String current = mBmgr.getCurrentTransport();
             String[] transports = mBmgr.listAllTransports();
             if (transports == null || transports.length == 0) {
@@ -649,9 +705,9 @@
         System.err.println("       bmgr backup PACKAGE");
         System.err.println("       bmgr enable BOOL");
         System.err.println("       bmgr enabled");
-        System.err.println("       bmgr list transports");
+        System.err.println("       bmgr list transports [-c]");
         System.err.println("       bmgr list sets");
-        System.err.println("       bmgr transport WHICH");
+        System.err.println("       bmgr transport WHICH|-c WHICH_COMPONENT");
         System.err.println("       bmgr restore TOKEN");
         System.err.println("       bmgr restore TOKEN PACKAGE...");
         System.err.println("       bmgr restore PACKAGE");
@@ -673,15 +729,18 @@
         System.err.println("the backup mechanism.");
         System.err.println("");
         System.err.println("The 'list transports' command reports the names of the backup transports");
-        System.err.println("currently available on the device.  These names can be passed as arguments");
+        System.err.println("BackupManager is currently bound to. These names can be passed as arguments");
         System.err.println("to the 'transport' and 'wipe' commands.  The currently active transport");
-        System.err.println("is indicated with a '*' character.");
+        System.err.println("is indicated with a '*' character. If -c flag is used, all available");
+        System.err.println("transport components on the device are listed. These can be used with");
+        System.err.println("the component variant of 'transport' command.");
         System.err.println("");
         System.err.println("The 'list sets' command reports the token and name of each restore set");
         System.err.println("available to the device via the currently active transport.");
         System.err.println("");
         System.err.println("The 'transport' command designates the named transport as the currently");
-        System.err.println("active one.  This setting is persistent across reboots.");
+        System.err.println("active one.  This setting is persistent across reboots. If -c flag is");
+        System.err.println("specified, the following string is treated as a component name.");
         System.err.println("");
         System.err.println("The 'restore' command when given just a restore token initiates a full-system");
         System.err.println("restore operation from the currently active transport.  It will deliver");
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index a9d1cf6..8f169c8 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -3108,7 +3108,7 @@
      */
     @Override
     public void enterPictureInPictureModeIfPossible() {
-        if (mActivityInfo.resizeMode == ActivityInfo.RESIZE_MODE_RESIZEABLE_AND_PIPABLE) {
+        if (mActivityInfo.supportsPictureInPicture()) {
             enterPictureInPictureMode();
         }
     }
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index c1a888d..3cb920a 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -1482,7 +1482,7 @@
          * True if the task can go in the docked stack.
          * @hide
          */
-        public boolean isDockable;
+        public boolean supportsSplitScreenMultiWindow;
 
         /**
          * The resize mode of the task. See {@link ActivityInfo#resizeMode}.
@@ -1533,7 +1533,7 @@
             } else {
                 dest.writeInt(0);
             }
-            dest.writeInt(isDockable ? 1 : 0);
+            dest.writeInt(supportsSplitScreenMultiWindow ? 1 : 0);
             dest.writeInt(resizeMode);
         }
 
@@ -1557,7 +1557,7 @@
             numActivities = source.readInt();
             bounds = source.readInt() > 0 ?
                     Rect.CREATOR.createFromParcel(source) : null;
-            isDockable = source.readInt() == 1;
+            supportsSplitScreenMultiWindow = source.readInt() == 1;
             resizeMode = source.readInt();
         }
 
@@ -1745,7 +1745,7 @@
          * True if the task can go in the docked stack.
          * @hide
          */
-        public boolean isDockable;
+        public boolean supportsSplitScreenMultiWindow;
 
         /**
          * The resize mode of the task. See {@link ActivityInfo#resizeMode}.
@@ -1775,7 +1775,7 @@
                     Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
             dest.writeInt(numActivities);
             dest.writeInt(numRunning);
-            dest.writeInt(isDockable ? 1 : 0);
+            dest.writeInt(supportsSplitScreenMultiWindow ? 1 : 0);
             dest.writeInt(resizeMode);
         }
 
@@ -1792,7 +1792,7 @@
             description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source);
             numActivities = source.readInt();
             numRunning = source.readInt();
-            isDockable = source.readInt() != 0;
+            supportsSplitScreenMultiWindow = source.readInt() != 0;
             resizeMode = source.readInt();
         }
 
diff --git a/core/java/android/app/backup/BackupManager.java b/core/java/android/app/backup/BackupManager.java
index 540683d..f0abe33 100644
--- a/core/java/android/app/backup/BackupManager.java
+++ b/core/java/android/app/backup/BackupManager.java
@@ -17,6 +17,7 @@
 package android.app.backup;
 
 import android.annotation.SystemApi;
+import android.content.ComponentName;
 import android.content.Context;
 import android.os.Handler;
 import android.os.Message;
@@ -157,6 +158,25 @@
     @SystemApi
     public static final String PACKAGE_MANAGER_SENTINEL = "@pm@";
 
+
+    /**
+     * This error code is passed to {@link SelectBackupTransportCallback#onFailure(int)}
+     * if the requested transport is unavailable.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final int ERROR_TRANSPORT_UNAVAILABLE = -1;
+
+    /**
+     * This error code is passed to {@link SelectBackupTransportCallback#onFailure(int)} if the
+     * requested transport is not a valid BackupTransport.
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final int ERROR_TRANSPORT_INVALID = -2;
+
     private Context mContext;
     private static IBackupManager sService;
 
@@ -390,17 +410,20 @@
     }
 
     /**
-     * Specify the current backup transport.  Callers must hold the
-     * android.permission.BACKUP permission to use this method.
+     * Specify the current backup transport.
+     *
+     * <p> Callers must hold the android.permission.BACKUP permission to use this method.
      *
      * @param transport The name of the transport to select.  This should be one
-     *   of the names returned by {@link #listAllTransports()}.
+     *   of the names returned by {@link #listAllTransports()}. This is the String returned by
+     *   {@link BackupTransport#name()} for the particular transport.
      * @return The name of the previously selected transport.  If the given transport
      *   name is not one of the currently available transports, no change is made to
      *   the current transport setting and the method returns null.
      *
      * @hide
      */
+    @Deprecated
     @SystemApi
     public String selectBackupTransport(String transport) {
         checkServiceBinder();
@@ -415,6 +438,34 @@
     }
 
     /**
+     * Specify the current backup transport and get notified when the transport is ready to be used.
+     * This method is async because BackupManager might need to bind to the specified transport
+     * which is in a separate process.
+     *
+     * <p>Callers must hold the android.permission.BACKUP permission to use this method.
+     *
+     * @param transport ComponentName of the service hosting the transport. This is different from
+     *                  the transport's name that is returned by {@link BackupTransport#name()}.
+     * @param listener A listener object to get a callback on the transport being selected.
+     *
+     * @hide
+     */
+    @SystemApi
+    public void selectBackupTransport(ComponentName transport,
+            SelectBackupTransportCallback listener) {
+        checkServiceBinder();
+        if (sService != null) {
+            try {
+                SelectTransportListenerWrapper wrapper = listener == null ?
+                        null : new SelectTransportListenerWrapper(mContext, listener);
+                sService.selectBackupTransportAsync(transport, wrapper);
+            } catch (RemoteException e) {
+                Log.e(TAG, "selectBackupTransportAsync() couldn't connect");
+            }
+        }
+    }
+
+    /**
      * Schedule an immediate backup attempt for all pending key/value updates.  This
      * is primarily intended for transports to use when they detect a suitable
      * opportunity for doing a backup pass.  If there are no pending updates to
@@ -598,4 +649,35 @@
                 mHandler.obtainMessage(MSG_FINISHED, status, 0));
         }
     }
+
+    private class SelectTransportListenerWrapper extends ISelectBackupTransportCallback.Stub {
+
+        private final Handler mHandler;
+        private final SelectBackupTransportCallback mListener;
+
+        SelectTransportListenerWrapper(Context context, SelectBackupTransportCallback listener) {
+            mHandler = new Handler(context.getMainLooper());
+            mListener = listener;
+        }
+
+        @Override
+        public void onSuccess(final String transportName) {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mListener.onSuccess(transportName);
+                }
+            });
+        }
+
+        @Override
+        public void onFailure(final int reason) {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mListener.onFailure(reason);
+                }
+            });
+        }
+    }
 }
diff --git a/core/java/android/app/backup/IBackupManager.aidl b/core/java/android/app/backup/IBackupManager.aidl
index fe23c28..1657e2e 100644
--- a/core/java/android/app/backup/IBackupManager.aidl
+++ b/core/java/android/app/backup/IBackupManager.aidl
@@ -19,8 +19,10 @@
 import android.app.backup.IBackupObserver;
 import android.app.backup.IFullBackupRestoreObserver;
 import android.app.backup.IRestoreSession;
+import android.app.backup.ISelectBackupTransportCallback;
 import android.os.ParcelFileDescriptor;
 import android.content.Intent;
+import android.content.ComponentName;
 
 /**
  * Direct interface to the Backup Manager Service that applications invoke on.  The only
@@ -217,6 +219,8 @@
      */
     String[] listAllTransports();
 
+    ComponentName[] listAllTransportComponents();
+
     /**
      * Retrieve the list of whitelisted transport components.  Callers do </i>not</i> need
      * any special permission.
@@ -238,6 +242,21 @@
     String selectBackupTransport(String transport);
 
     /**
+     * Specify the current backup transport and get notified when the transport is ready to be used.
+     * This method is async because BackupManager might need to bind to the specified transport
+     * which is in a separate process.
+     *
+     * <p>Callers must hold the android.permission.BACKUP permission to use this method.
+     *
+     * @param transport ComponentName of the service hosting the transport. This is different from
+     *                  the transport's name that is returned by {@link BackupTransport#name()}.
+     * @param listener A listener object to get a callback on the transport being selected.
+     *
+     * @hide
+     */
+    void selectBackupTransportAsync(in ComponentName transport, ISelectBackupTransportCallback listener);
+
+    /**
      * Get the configuration Intent, if any, from the given transport.  Callers must
      * hold the android.permission.BACKUP permission in order to use this method.
      *
diff --git a/core/java/android/app/backup/ISelectBackupTransportCallback.aidl b/core/java/android/app/backup/ISelectBackupTransportCallback.aidl
new file mode 100644
index 0000000..5de7c5e
--- /dev/null
+++ b/core/java/android/app/backup/ISelectBackupTransportCallback.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.app.backup;
+
+/**
+ * Callback class for receiving success or failure callbacks on selecting a backup transport. These
+ * methods will all be called on your application's main thread.
+ *
+ * @hide
+ */
+oneway interface ISelectBackupTransportCallback {
+
+    /**
+     * Called when BackupManager has successfully bound to the requested transport.
+     *
+     * @param transportName Name of the selected transport. This is the String returned by
+     *        {@link BackupTransport#name()}.
+     */
+    void onSuccess(String transportName);
+
+    /**
+     * Called when BackupManager fails to bind to the requested transport.
+     *
+     * @param reason Error code denoting reason for failure.
+     */
+    void onFailure(int reason);
+}
diff --git a/core/java/android/app/backup/SelectBackupTransportCallback.java b/core/java/android/app/backup/SelectBackupTransportCallback.java
new file mode 100644
index 0000000..0c8a0dc
--- /dev/null
+++ b/core/java/android/app/backup/SelectBackupTransportCallback.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package android.app.backup;
+
+import android.annotation.SystemApi;
+
+/**
+ * Callback class for receiving success or failure callbacks on selecting a backup transport. These
+ * methods will all be called on your application's main thread.
+ *
+ * @hide
+ */
+@SystemApi
+public abstract class SelectBackupTransportCallback {
+
+    /**
+     * Called when BackupManager has successfully bound to the requested transport.
+     *
+     * @param transportName Name of the selected transport. This is the String returned by
+     *        {@link BackupTransport#name()}.
+     */
+    public void onSuccess(String transportName){}
+
+    /**
+     * Called when BackupManager fails to bind to the requested transport.
+     *
+     * @param reason Error code denoting reason for failure.
+     */
+    public void onFailure(int reason){}
+}
diff --git a/core/java/android/content/pm/ActivityInfo.java b/core/java/android/content/pm/ActivityInfo.java
index 4bd091d..4a94688 100644
--- a/core/java/android/content/pm/ActivityInfo.java
+++ b/core/java/android/content/pm/ActivityInfo.java
@@ -177,10 +177,14 @@
      */
     public static final int RESIZE_MODE_RESIZEABLE = 2;
     /**
-     * Activity is resizeable and supported picture-in-picture mode.
+     * Activity is resizeable and supported picture-in-picture mode.  This flag is now deprecated
+     * since activities do not need to be resizeable to support picture-in-picture.
+     * See {@link #FLAG_SUPPORTS_PICTURE_IN_PICTURE}.
+     *
      * @hide
+     * @deprecated
      */
-    public static final int RESIZE_MODE_RESIZEABLE_AND_PIPABLE = 3;
+    public static final int RESIZE_MODE_RESIZEABLE_AND_PIPABLE_DEPRECATED = 3;
     /**
      * Activity does not support resizing, but we are forcing it to be resizeable. Only affects
      * certain pre-N apps where we force them to be resizeable.
@@ -369,6 +373,13 @@
     public static final int FLAG_VISIBLE_TO_EPHEMERAL = 0x100000;
 
     /**
+     * Bit in {@link #flags} indicating if the activity supports picture-in-picture mode.
+     * See {@link android.R.attr#supportsPictureInPicture}.
+     * @hide
+     */
+    public static final int FLAG_SUPPORTS_PICTURE_IN_PICTURE = 0x200000;
+
+    /**
      * @hide Bit in {@link #flags}: If set, this component will only be seen
      * by the system user.  Only works with broadcast receivers.  Set from the
      * android.R.attr#systemUserOnly attribute.
@@ -926,10 +937,17 @@
                 || screenOrientation == SCREEN_ORIENTATION_USER_PORTRAIT;
     }
 
+    /**
+     * Returns true if the activity supports picture-in-picture.
+     * @hide
+     */
+    public boolean supportsPictureInPicture() {
+        return (flags & FLAG_SUPPORTS_PICTURE_IN_PICTURE) != 0;
+    }
+
     /** @hide */
     public static boolean isResizeableMode(int mode) {
         return mode == RESIZE_MODE_RESIZEABLE
-                || mode == RESIZE_MODE_RESIZEABLE_AND_PIPABLE
                 || mode == RESIZE_MODE_FORCE_RESIZEABLE
                 || mode == RESIZE_MODE_FORCE_RESIZABLE_PORTRAIT_ONLY
                 || mode == RESIZE_MODE_FORCE_RESIZABLE_LANDSCAPE_ONLY
@@ -953,8 +971,6 @@
                 return "RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION";
             case RESIZE_MODE_RESIZEABLE:
                 return "RESIZE_MODE_RESIZEABLE";
-            case RESIZE_MODE_RESIZEABLE_AND_PIPABLE:
-                return "RESIZE_MODE_RESIZEABLE_AND_PIPABLE";
             case RESIZE_MODE_FORCE_RESIZEABLE:
                 return "RESIZE_MODE_FORCE_RESIZEABLE";
             case RESIZE_MODE_FORCE_RESIZABLE_PORTRAIT_ONLY:
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index ca3011e..43ebf46 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -18,12 +18,12 @@
 
 import static android.content.pm.ActivityInfo.FLAG_ALWAYS_FOCUSABLE;
 import static android.content.pm.ActivityInfo.FLAG_ON_TOP_LAUNCHER;
+import static android.content.pm.ActivityInfo.FLAG_SUPPORTS_PICTURE_IN_PICTURE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZABLE_LANDSCAPE_ONLY;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZABLE_PORTRAIT_ONLY;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZABLE_PRESERVE_ORIENTATION;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZEABLE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;
-import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_AND_PIPABLE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_UNRESIZEABLE;
 import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
@@ -2402,7 +2402,7 @@
         // cannot be windowed / resized. Note that an SDK version of 0 is common for
         // pre-Doughnut applications.
         if (pkg.applicationInfo.usesCompatibilityMode()) {
-            adjustPackageToBeUnresizeable(pkg);
+            adjustPackageToBeUnresizeableAndUnpipable(pkg);
         }
         return pkg;
     }
@@ -2413,9 +2413,10 @@
      *
      * @param pkg The package which needs to be marked as unresizable.
      */
-    private void adjustPackageToBeUnresizeable(Package pkg) {
+    private void adjustPackageToBeUnresizeableAndUnpipable(Package pkg) {
         for (Activity a : pkg.activities) {
             a.info.resizeMode = RESIZE_MODE_UNRESIZEABLE;
+            a.info.flags &= ~FLAG_SUPPORTS_PICTURE_IN_PICTURE;
         }
     }
 
@@ -4000,6 +4001,11 @@
 
             setActivityResizeMode(a.info, sa, owner);
 
+            if (sa.getBoolean(R.styleable.AndroidManifestActivity_supportsPictureInPicture,
+                    false)) {
+                a.info.flags |= FLAG_SUPPORTS_PICTURE_IN_PICTURE;
+            }
+
             if (sa.getBoolean(R.styleable.AndroidManifestActivity_alwaysFocusable, false)) {
                 a.info.flags |= FLAG_ALWAYS_FOCUSABLE;
             }
@@ -4161,16 +4167,13 @@
     private void setActivityResizeMode(ActivityInfo aInfo, TypedArray sa, Package owner) {
         final boolean appExplicitDefault = (owner.applicationInfo.privateFlags
                 & PRIVATE_FLAG_RESIZEABLE_ACTIVITIES_EXPLICITLY_SET) != 0;
-        final boolean supportsPip =
-                sa.getBoolean(R.styleable.AndroidManifestActivity_supportsPictureInPicture, false);
 
         if (sa.hasValue(R.styleable.AndroidManifestActivity_resizeableActivity)
                 || appExplicitDefault) {
             // Activity or app explicitly set if it is resizeable or not;
             if (sa.getBoolean(R.styleable.AndroidManifestActivity_resizeableActivity,
                     appExplicitDefault)) {
-                aInfo.resizeMode =
-                        supportsPip ? RESIZE_MODE_RESIZEABLE_AND_PIPABLE : RESIZE_MODE_RESIZEABLE;
+                aInfo.resizeMode = RESIZE_MODE_RESIZEABLE;
             } else {
                 aInfo.resizeMode = RESIZE_MODE_UNRESIZEABLE;
             }
diff --git a/core/java/android/provider/FontsContract.java b/core/java/android/provider/FontsContract.java
new file mode 100644
index 0000000..90e710f
--- /dev/null
+++ b/core/java/android/provider/FontsContract.java
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.provider;
+
+import android.app.ActivityThread;
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.pm.ProviderInfo;
+import android.database.Cursor;
+import android.graphics.fonts.FontRequest;
+import android.graphics.fonts.FontResult;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.ParcelFileDescriptor;
+import android.os.Process;
+import android.os.ResultReceiver;
+import android.util.Log;
+
+import com.android.internal.annotations.GuardedBy;
+
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+
+/**
+ * Utility class to deal with Font ContentProviders.
+ */
+public class FontsContract {
+    private static final String TAG = "FontsContract";
+
+    /**
+     * Defines the constants used in a response from a Font Provider. The cursor returned from the
+     * query should have the ID column populated with the content uri ID for the resulting font.
+     * This should point to a real file or shared memory, as the client will mmap the given file
+     * descriptor. Pipes, sockets and other non-mmap-able file descriptors will fail to load in the
+     * client application.
+     */
+    public static final class Columns implements BaseColumns {
+        /**
+         * Constant used to request data from a font provider. The cursor returned from the query
+         * should have this column populated with an int for the ttc index for the resulting font.
+         */
+        public static final String TTC_INDEX = "font_ttc_index";
+        /**
+         * Constant used to request data from a font provider. The cursor returned from the query
+         * may populate this column with the font variation settings String information for the
+         * font.
+         */
+        public static final String VARIATION_SETTINGS = "font_variation_settings";
+        /**
+         * Constant used to request data from a font provider. The cursor returned from the query
+         * should have this column populated with the int style for the resulting font. This should
+         * be one of {@link android.graphics.Typeface#NORMAL},
+         * {@link android.graphics.Typeface#BOLD}, {@link android.graphics.Typeface#ITALIC} or
+         * {@link android.graphics.Typeface#BOLD_ITALIC}
+         */
+        public static final String STYLE = "font_style";
+    }
+
+    /**
+     * Constant used to identify the List of {@link ParcelFileDescriptor} item in the Bundle
+     * returned to the ResultReceiver in getFont.
+     * @hide
+     */
+    public static final String PARCEL_FONT_RESULTS = "font_results";
+
+    /** @hide */
+    public static final int RESULT_CODE_OK = 0;
+    /** @hide */
+    public static final int RESULT_CODE_FONT_NOT_FOUND = 1;
+    /** @hide */
+    public static final int RESULT_CODE_PROVIDER_NOT_FOUND = 2;
+
+    private static final int THREAD_RENEWAL_THRESHOLD_MS = 10000;
+
+    private final Context mContext;
+    private final PackageManager mPackageManager;
+    private final Object mLock = new Object();
+    @GuardedBy("mLock")
+    private Handler mHandler;
+    @GuardedBy("mLock")
+    private HandlerThread mThread;
+
+    /** @hide */
+    public FontsContract() {
+        // TODO: investigate if the system context is the best option here. ApplicationContext or
+        // the one passed by developer?
+        // TODO: Looks like ActivityThread.currentActivityThread() can return null. Check when it
+        // returns null and check if we need to handle null case.
+        mContext = ActivityThread.currentActivityThread().getSystemContext();
+        mPackageManager = mContext.getPackageManager();
+    }
+
+    // We use a background thread to post the content resolving work for all requests on. This
+    // thread should be quit/stopped after all requests are done.
+    private final Runnable mReplaceDispatcherThreadRunnable = new Runnable() {
+        @Override
+        public void run() {
+            synchronized (mLock) {
+                if (mThread != null) {
+                    mThread.quitSafely();
+                    mThread = null;
+                    mHandler = null;
+                }
+            }
+        }
+    };
+
+    /**
+     * @hide
+     */
+    public void getFont(FontRequest request, ResultReceiver receiver) {
+        synchronized (mLock) {
+            if (mHandler == null) {
+                mThread = new HandlerThread("fonts", Process.THREAD_PRIORITY_BACKGROUND);
+                mThread.start();
+                mHandler = new Handler(mThread.getLooper());
+            }
+            mHandler.post(() -> {
+                String providerAuthority = request.getProviderAuthority();
+                // TODO: Implement cert checking for non-system apps
+                ProviderInfo providerInfo = mPackageManager.resolveContentProvider(
+                        providerAuthority, PackageManager.MATCH_SYSTEM_ONLY);
+                if (providerInfo == null) {
+                    receiver.send(RESULT_CODE_PROVIDER_NOT_FOUND, null);
+                    return;
+                }
+                Bundle result = getFontFromProvider(request, receiver, providerInfo);
+                if (result == null) {
+                    receiver.send(RESULT_CODE_FONT_NOT_FOUND, null);
+                    return;
+                }
+                receiver.send(RESULT_CODE_OK, result);
+            });
+            mHandler.removeCallbacks(mReplaceDispatcherThreadRunnable);
+            mHandler.postDelayed(mReplaceDispatcherThreadRunnable, THREAD_RENEWAL_THRESHOLD_MS);
+        }
+    }
+
+    private Bundle getFontFromProvider(FontRequest request, ResultReceiver receiver,
+            ProviderInfo providerInfo) {
+        ArrayList<FontResult> result = null;
+        Uri uri = new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT)
+                .authority(providerInfo.authority)
+                .build();
+        try (Cursor cursor = mContext.getContentResolver().query(uri, new String[] { Columns._ID,
+                        Columns.TTC_INDEX, Columns.VARIATION_SETTINGS, Columns.STYLE },
+                "query = ?", new String[] { request.getQuery() }, null);) {
+            // TODO: Should we restrict the amount of fonts that can be returned?
+            // TODO: Write documentation explaining that all results should be from the same family.
+            if (cursor != null && cursor.getCount() > 0) {
+                result = new ArrayList<>();
+                final int idColumnIndex = cursor.getColumnIndex(Columns._ID);
+                final int ttcIndexColumnIndex = cursor.getColumnIndex(Columns.TTC_INDEX);
+                final int vsColumnIndex = cursor.getColumnIndex(Columns.VARIATION_SETTINGS);
+                final int styleColumnIndex = cursor.getColumnIndex(Columns.STYLE);
+                while (cursor.moveToNext()) {
+                    long id = cursor.getLong(idColumnIndex);
+                    Uri fileUri = ContentUris.withAppendedId(uri, id);
+                    try {
+                        ParcelFileDescriptor pfd =
+                                mContext.getContentResolver().openFileDescriptor(fileUri, "r");
+                        final int ttcIndex = cursor.getInt(ttcIndexColumnIndex);
+                        final String variationSettings = cursor.getString(vsColumnIndex);
+                        final int style = cursor.getInt(styleColumnIndex);
+                        result.add(new FontResult(pfd, ttcIndex, variationSettings, style));
+                    } catch (FileNotFoundException e) {
+                        Log.e(TAG, "FileNotFoundException raised when interacting with content "
+                                + "provider " + providerInfo.authority, e);
+                    }
+                }
+            }
+        }
+        if (result != null && !result.isEmpty()) {
+            Bundle bundle = new Bundle();
+            bundle.putParcelableArrayList(PARCEL_FONT_RESULTS, result);
+            return bundle;
+        }
+        return null;
+    }
+}
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index e3da337..9e2d4a7 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -9514,10 +9514,11 @@
             DOCK_SOUNDS_ENABLED,
             CHARGING_SOUNDS_ENABLED,
             USB_MASS_STORAGE_ENABLED,
+            NETWORK_RECOMMENDATIONS_ENABLED,
+            CURATE_SAVED_OPEN_NETWORKS,
+            WIFI_WAKEUP_ENABLED,
             WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON,
-            WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
             WIFI_WATCHDOG_POOR_NETWORK_TEST_ENABLED,
-            WIFI_NUM_OPEN_NETWORKS_KEPT,
             EMERGENCY_TONE,
             CALL_AUTO_RETRY,
             DOCK_AUDIO_MEDIA_ENABLED,
diff --git a/core/java/android/text/SpannableStringBuilder.java b/core/java/android/text/SpannableStringBuilder.java
index 186d96b..5f01f7b 100644
--- a/core/java/android/text/SpannableStringBuilder.java
+++ b/core/java/android/text/SpannableStringBuilder.java
@@ -21,6 +21,7 @@
 import android.graphics.Paint;
 import android.util.Log;
 
+import com.android.internal.annotations.GuardedBy;
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.GrowingArrayUtils;
 
@@ -73,8 +74,6 @@
         mSpanFlags = EmptyArray.INT;
         mSpanMax = EmptyArray.INT;
         mSpanOrder = EmptyArray.INT;
-        mPrioSortBuffer = EmptyArray.INT;
-        mOrderSortBuffer = EmptyArray.INT;
 
         if (text instanceof Spanned) {
             Spanned sp = (Spanned) text;
@@ -856,14 +855,14 @@
      * @param queryStart Start index.
      * @param queryEnd End index.
      * @param kind Class type to search for.
-     * @param sort If true the results are sorted by the insertion order.
+     * @param sortByInsertionOrder If true the results are sorted by the insertion order.
      * @param <T>
      * @return Array of the spans. Empty array if no results are found.
      *
      * @hide
      */
     public <T> T[] getSpans(int queryStart, int queryEnd, @Nullable Class<T> kind,
-                                 boolean sort) {
+            boolean sortByInsertionOrder) {
         if (kind == null) return (T[]) ArrayUtils.emptyArray(Object.class);
         if (mSpanCount == 0) return ArrayUtils.emptyArray(kind);
         int count = countSpans(queryStart, queryEnd, kind, treeRoot());
@@ -873,13 +872,15 @@
 
         // Safe conversion, but requires a suppressWarning
         T[] ret = (T[]) Array.newInstance(kind, count);
-        if (sort) {
-            mPrioSortBuffer = checkSortBuffer(mPrioSortBuffer, count);
-            mOrderSortBuffer = checkSortBuffer(mOrderSortBuffer, count);
+        final int[] prioSortBuffer = sortByInsertionOrder ? obtain(count) : EmptyArray.INT;
+        final int[] orderSortBuffer = sortByInsertionOrder ? obtain(count) : EmptyArray.INT;
+        getSpansRec(queryStart, queryEnd, kind, treeRoot(), ret, prioSortBuffer,
+                orderSortBuffer, 0, sortByInsertionOrder);
+        if (sortByInsertionOrder) {
+            sort(ret, prioSortBuffer, orderSortBuffer);
+            recycle(prioSortBuffer);
+            recycle(orderSortBuffer);
         }
-        getSpansRec(queryStart, queryEnd, kind, treeRoot(), ret, mPrioSortBuffer,
-                mOrderSortBuffer, 0, sort);
-        if (sort) sort(ret, mPrioSortBuffer, mOrderSortBuffer);
         return ret;
     }
 
@@ -992,15 +993,63 @@
     }
 
     /**
+     * Obtain a temporary sort buffer.
+     *
+     * @param elementCount the size of the int[] to be returned
+     * @return an int[] with elementCount length
+     */
+    private static int[] obtain(final int elementCount) {
+        int[] result = null;
+        synchronized (sCachedIntBuffer) {
+            // try finding a tmp buffer with length of at least elementCount
+            // if not get the first available one
+            int candidateIndex = -1;
+            for (int i = sCachedIntBuffer.length - 1; i >= 0; i--) {
+                if (sCachedIntBuffer[i] != null) {
+                    if (sCachedIntBuffer[i].length >= elementCount) {
+                        candidateIndex = i;
+                        break;
+                    } else if (candidateIndex == -1) {
+                        candidateIndex = i;
+                    }
+                }
+            }
+
+            if (candidateIndex != -1) {
+                result = sCachedIntBuffer[candidateIndex];
+                sCachedIntBuffer[candidateIndex] = null;
+            }
+        }
+        result = checkSortBuffer(result, elementCount);
+        return result;
+    }
+
+    /**
+     * Recycle sort buffer.
+     *
+     * @param buffer buffer to be recycled
+     */
+    private static void recycle(int[] buffer) {
+        synchronized (sCachedIntBuffer) {
+            for (int i = 0; i < sCachedIntBuffer.length; i++) {
+                if (sCachedIntBuffer[i] == null || buffer.length > sCachedIntBuffer[i].length) {
+                    sCachedIntBuffer[i] = buffer;
+                    break;
+                }
+            }
+        }
+    }
+
+    /**
      * Check the size of the buffer and grow if required.
      *
-     * @param buffer Buffer to be checked.
-     * @param size Required size.
+     * @param buffer buffer to be checked.
+     * @param size   required size.
      * @return Same buffer instance if the current size is greater than required size. Otherwise a
      * new instance is created and returned.
      */
-    private final int[] checkSortBuffer(int[] buffer, int size) {
-        if(size > buffer.length) {
+    private static int[] checkSortBuffer(int[] buffer, int size) {
+        if (buffer == null || size > buffer.length) {
             return ArrayUtils.newUnpaddedIntArray(GrowingArrayUtils.growSize(size));
         }
         return buffer;
@@ -1025,16 +1074,19 @@
         }
 
         for (int i = size - 1; i > 0; i--) {
-            T v = array[0];
-            int prio = priority[0];
-            int insertOrder = insertionOrder[0];
+            final T tmpSpan =  array[0];
             array[0] = array[i];
+            array[i] = tmpSpan;
+
+            final int tmpPriority =  priority[0];
             priority[0] = priority[i];
+            priority[i] = tmpPriority;
+
+            final int tmpOrder =  insertionOrder[0];
             insertionOrder[0] = insertionOrder[i];
+            insertionOrder[i] = tmpOrder;
+
             siftDown(0, array, i, priority, insertionOrder);
-            array[i] = v;
-            priority[i] = prio;
-            insertionOrder[i] = insertOrder;
         }
     }
 
@@ -1050,10 +1102,6 @@
      */
     private final <T> void siftDown(int index, T[] array, int size, int[] priority,
                                     int[] insertionOrder) {
-        T v = array[index];
-        int prio = priority[index];
-        int insertOrder = insertionOrder[index];
-
         int left = 2 * index + 1;
         while (left < size) {
             if (left < size - 1 && compareSpans(left, left + 1, priority, insertionOrder) < 0) {
@@ -1062,15 +1110,22 @@
             if (compareSpans(index, left, priority, insertionOrder) >= 0) {
                 break;
             }
+
+            final T tmpSpan =  array[index];
             array[index] = array[left];
+            array[left] = tmpSpan;
+
+            final int tmpPriority =  priority[index];
             priority[index] = priority[left];
+            priority[left] = tmpPriority;
+
+            final int tmpOrder =  insertionOrder[index];
             insertionOrder[index] = insertionOrder[left];
+            insertionOrder[left] = tmpOrder;
+
             index = left;
             left = 2 * index + 1;
         }
-        array[index] = v;
-        priority[index] = prio;
-        insertionOrder[index] = insertOrder;
     }
 
     /**
@@ -1704,6 +1759,10 @@
     }
 
     private static final InputFilter[] NO_FILTERS = new InputFilter[0];
+
+    @GuardedBy("sCachedIntBuffer")
+    private static final int[][] sCachedIntBuffer = new int[6][0];
+
     private InputFilter[] mFilters = NO_FILTERS;
 
     private char[] mText;
@@ -1717,8 +1776,6 @@
     private int[] mSpanFlags;
     private int[] mSpanOrder;  // store the order of span insertion
     private int mSpanInsertCount;  // counter for the span insertion
-    private int[] mPrioSortBuffer;  // buffer used to sort getSpans result
-    private int[] mOrderSortBuffer;  // buffer used to sort getSpans result
 
     private int mSpanCount;
     private IdentityHashMap<Object, Integer> mIndexOfSpan;
diff --git a/core/java/android/view/ThreadedRenderer.java b/core/java/android/view/ThreadedRenderer.java
index b0826a8..f3ebcb4 100644
--- a/core/java/android/view/ThreadedRenderer.java
+++ b/core/java/android/view/ThreadedRenderer.java
@@ -360,7 +360,6 @@
     void destroy() {
         mInitialized = false;
         updateEnabledState(null);
-        mRootNode.discardDisplayList();
         nDestroy(mNativeProxy, mRootNode.mNativeRenderNode);
     }
 
@@ -492,12 +491,20 @@
      */
     void destroyHardwareResources(View view) {
         destroyResources(view);
-        mRootNode.discardDisplayList();
         nDestroyHardwareResources(mNativeProxy);
     }
 
     private static void destroyResources(View view) {
         view.destroyHardwareResources();
+
+        if (view instanceof ViewGroup) {
+            ViewGroup group = (ViewGroup) view;
+
+            int count = group.getChildCount();
+            for (int i = 0; i < count; i++) {
+                destroyResources(group.getChildAt(i));
+            }
+        }
     }
 
     /**
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 13555f4..547f7d8 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -857,22 +857,39 @@
      */
     static boolean sCascadedDragDrop;
 
-    /**
-     * This view does not want keystrokes. Use with TAKES_FOCUS_MASK when
-     * calling setFlags.
-     */
-    private static final int NOT_FOCUSABLE = 0x00000000;
+    /** @hide */
+    @IntDef({NOT_FOCUSABLE, FOCUSABLE, FOCUSABLE_AUTO})
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface Focusable {}
 
     /**
-     * This view wants keystrokes. Use with TAKES_FOCUS_MASK when calling
-     * setFlags.
+     * This view does not want keystrokes.
+     * <p>
+     * Use with {@link #setFocusable(int)} and <a href="#attr_android:focusable">{@code
+     * android:focusable}.
      */
-    private static final int FOCUSABLE = 0x00000001;
+    public static final int NOT_FOCUSABLE = 0x00000000;
+
+    /**
+     * This view wants keystrokes.
+     * <p>
+     * Use with {@link #setFocusable(int)} and <a href="#attr_android:focusable">{@code
+     * android:focusable}.
+     */
+    public static final int FOCUSABLE = 0x00000001;
+
+    /**
+     * This view determines focusability automatically. This is the default.
+     * <p>
+     * Use with {@link #setFocusable(int)} and <a href="#attr_android:focusable">{@code
+     * android:focusable}.
+     */
+    public static final int FOCUSABLE_AUTO = 0x00000010;
 
     /**
      * Mask for use with setFlags indicating bits used for focus.
      */
-    private static final int FOCUSABLE_MASK = 0x00000001;
+    private static final int FOCUSABLE_MASK = 0x00000011;
 
     /**
      * This view will adjust its padding to fit sytem windows (e.g. status bar)
@@ -4136,7 +4153,7 @@
     public View(Context context) {
         mContext = context;
         mResources = context != null ? context.getResources() : null;
-        mViewFlags = SOUND_EFFECTS_ENABLED | HAPTIC_FEEDBACK_ENABLED;
+        mViewFlags = SOUND_EFFECTS_ENABLED | HAPTIC_FEEDBACK_ENABLED | FOCUSABLE_AUTO;
         // Set some flags defaults
         mPrivateFlags2 =
                 (LAYOUT_DIRECTION_DEFAULT << PFLAG2_LAYOUT_DIRECTION_MASK_SHIFT) |
@@ -4322,6 +4339,10 @@
 
         final int targetSdkVersion = context.getApplicationInfo().targetSdkVersion;
 
+        // Set default values.
+        viewFlagValues |= FOCUSABLE_AUTO;
+        viewFlagMasks |= FOCUSABLE_AUTO;
+
         final int N = a.getIndexCount();
         for (int i = 0; i < N; i++) {
             int attr = a.getIndex(i);
@@ -4434,8 +4455,8 @@
                     }
                     break;
                 case com.android.internal.R.styleable.View_focusable:
-                    if (a.getBoolean(attr, false)) {
-                        viewFlagValues |= FOCUSABLE;
+                    viewFlagValues = (viewFlagValues & ~FOCUSABLE_MASK) | getFocusableAttribute(a);
+                    if ((viewFlagValues & FOCUSABLE_AUTO) == 0) {
                         viewFlagMasks |= FOCUSABLE_MASK;
                     }
                     break;
@@ -5006,7 +5027,7 @@
             case GONE: out.append('G'); break;
             default: out.append('.'); break;
         }
-        out.append((mViewFlags&FOCUSABLE_MASK) == FOCUSABLE ? 'F' : '.');
+        out.append((mViewFlags & FOCUSABLE) == FOCUSABLE ? 'F' : '.');
         out.append((mViewFlags&ENABLED_MASK) == ENABLED ? 'E' : '.');
         out.append((mViewFlags&DRAW_MASK) == WILL_NOT_DRAW ? '.' : 'D');
         out.append((mViewFlags&SCROLLBARS_HORIZONTAL) != 0 ? 'H' : '.');
@@ -8453,20 +8474,39 @@
 
     /**
      * Set whether this view can receive the focus.
-     *
+     * <p>
      * Setting this to false will also ensure that this view is not focusable
      * in touch mode.
      *
      * @param focusable If true, this view can receive the focus.
      *
      * @see #setFocusableInTouchMode(boolean)
+     * @see #setFocusable(int)
      * @attr ref android.R.styleable#View_focusable
      */
     public void setFocusable(boolean focusable) {
-        if (!focusable) {
+        setFocusable(focusable ? FOCUSABLE : NOT_FOCUSABLE);
+    }
+
+    /**
+     * Sets whether this view can receive focus.
+     * <p>
+     * Setting this to {@link #FOCUSABLE_AUTO} tells the framework to determine focusability
+     * automatically based on the view's interactivity. This is the default.
+     * <p>
+     * Setting this to NOT_FOCUSABLE will ensure that this view is also not focusable
+     * in touch mode.
+     *
+     * @param focusable One of {@link #NOT_FOCUSABLE}, {@link #FOCUSABLE},
+     *                  or {@link #FOCUSABLE_AUTO}.
+     * @see #setFocusableInTouchMode(boolean)
+     * @attr ref android.R.styleable#View_focusable
+     */
+    public void setFocusable(@Focusable int focusable) {
+        if ((focusable & (FOCUSABLE_AUTO | FOCUSABLE)) == 0) {
             setFlags(0, FOCUSABLE_IN_TOUCH_MODE);
         }
-        setFlags(focusable ? FOCUSABLE : NOT_FOCUSABLE, FOCUSABLE_MASK);
+        setFlags(focusable, FOCUSABLE_MASK);
     }
 
     /**
@@ -9056,14 +9096,29 @@
 
 
     /**
-     * Returns whether this View is able to take focus.
+     * Returns whether this View is currently able to take focus.
      *
      * @return True if this view can take focus, or false otherwise.
-     * @attr ref android.R.styleable#View_focusable
      */
     @ViewDebug.ExportedProperty(category = "focus")
     public final boolean isFocusable() {
-        return FOCUSABLE == (mViewFlags & FOCUSABLE_MASK);
+        return FOCUSABLE == (mViewFlags & FOCUSABLE);
+    }
+
+    /**
+     * Returns the focusable setting for this view.
+     *
+     * @return One of {@link #NOT_FOCUSABLE}, {@link #FOCUSABLE}, or {@link #FOCUSABLE_AUTO}.
+     * @attr ref android.R.styleable#View_focusable
+     */
+    @ViewDebug.ExportedProperty(mapping = {
+            @ViewDebug.IntToString(from = NOT_FOCUSABLE, to = "NOT_FOCUSABLE"),
+            @ViewDebug.IntToString(from = FOCUSABLE, to = "FOCUSABLE"),
+            @ViewDebug.IntToString(from = FOCUSABLE_AUTO, to = "FOCUSABLE_AUTO")
+            })
+    @Focusable
+    public int getFocusable() {
+        return (mViewFlags & FOCUSABLE_AUTO) > 0 ? FOCUSABLE_AUTO : mViewFlags & FOCUSABLE;
     }
 
     /**
@@ -9615,8 +9670,8 @@
 
     private boolean requestFocusNoSearch(int direction, Rect previouslyFocusedRect) {
         // need to be focusable
-        if ((mViewFlags & FOCUSABLE_MASK) != FOCUSABLE ||
-                (mViewFlags & VISIBILITY_MASK) != VISIBLE) {
+        if ((mViewFlags & FOCUSABLE) != FOCUSABLE
+                || (mViewFlags & VISIBILITY_MASK) != VISIBLE) {
             return false;
         }
 
@@ -11970,14 +12025,27 @@
         }
         int privateFlags = mPrivateFlags;
 
+        // If focusable is auto, update the FOCUSABLE bit.
+        if (((mViewFlags & FOCUSABLE_AUTO) != 0)
+                && (changed & (FOCUSABLE_MASK | CLICKABLE | FOCUSABLE_IN_TOUCH_MODE)) != 0) {
+            int newFocus = NOT_FOCUSABLE;
+            if ((mViewFlags & (CLICKABLE | FOCUSABLE_IN_TOUCH_MODE)) != 0) {
+                newFocus = FOCUSABLE;
+            } else {
+                mViewFlags = (mViewFlags & ~FOCUSABLE_IN_TOUCH_MODE);
+            }
+            mViewFlags = (mViewFlags & ~FOCUSABLE) | newFocus;
+            int focusChanged = (old & FOCUSABLE) ^ (newFocus & FOCUSABLE);
+            changed = (changed & ~FOCUSABLE) | focusChanged;
+        }
+
         /* Check if the FOCUSABLE bit has changed */
-        if (((changed & FOCUSABLE_MASK) != 0) &&
-                ((privateFlags & PFLAG_HAS_BOUNDS) !=0)) {
-            if (((old & FOCUSABLE_MASK) == FOCUSABLE)
+        if (((changed & FOCUSABLE) != 0) && ((privateFlags & PFLAG_HAS_BOUNDS) != 0)) {
+            if (((old & FOCUSABLE) == FOCUSABLE)
                     && ((privateFlags & PFLAG_FOCUSED) != 0)) {
                 /* Give up focus if we are no longer focusable */
                 clearFocus();
-            } else if (((old & FOCUSABLE_MASK) == NOT_FOCUSABLE)
+            } else if (((old & FOCUSABLE) == NOT_FOCUSABLE)
                     && ((privateFlags & PFLAG_FOCUSED) == 0)) {
                 /*
                  * Tell the view system that we are now available to take focus
@@ -12120,7 +12188,7 @@
         }
 
         if (accessibilityEnabled) {
-            if ((changed & FOCUSABLE_MASK) != 0 || (changed & VISIBILITY_MASK) != 0
+            if ((changed & FOCUSABLE) != 0 || (changed & VISIBILITY_MASK) != 0
                     || (changed & CLICKABLE) != 0 || (changed & LONG_CLICKABLE) != 0
                     || (changed & CONTEXT_CLICKABLE) != 0) {
                 if (oldIncludeForAccessibility != includeForAccessibility()) {
@@ -16530,12 +16598,6 @@
         // safe to free its copy of the display list as it knows that we will
         // push an updated DisplayList if we try to draw again
         resetDisplayList();
-        if (mOverlay != null) {
-            mOverlay.getOverlayView().destroyHardwareResources();
-        }
-        if (mGhostView != null) {
-            mGhostView.destroyHardwareResources();
-        }
     }
 
     /**
@@ -16706,9 +16768,11 @@
     }
 
     private void resetDisplayList() {
-        mRenderNode.discardDisplayList();
+        if (mRenderNode.isValid()) {
+            mRenderNode.discardDisplayList();
+        }
 
-        if (mBackgroundRenderNode != null) {
+        if (mBackgroundRenderNode != null && mBackgroundRenderNode.isValid()) {
             mBackgroundRenderNode.discardDisplayList();
         }
     }
@@ -18049,7 +18113,7 @@
     private static String printFlags(int flags) {
         String output = "";
         int numFlags = 0;
-        if ((flags & FOCUSABLE_MASK) == FOCUSABLE) {
+        if ((flags & FOCUSABLE) == FOCUSABLE) {
             output += "TAKES_FOCUS";
             numFlags++;
         }
@@ -24695,6 +24759,19 @@
                 ViewConfiguration.getLongPressTooltipHideTimeout());
     }
 
+    private int getFocusableAttribute(TypedArray attributes) {
+        TypedValue val = new TypedValue();
+        if (attributes.getValue(com.android.internal.R.styleable.View_focusable, val)) {
+            if (val.type == TypedValue.TYPE_INT_BOOLEAN) {
+                return (val.data == 0 ? NOT_FOCUSABLE : FOCUSABLE);
+            } else {
+                return val.data;
+            }
+        } else {
+            return FOCUSABLE_AUTO;
+        }
+    }
+
     /**
      * @return The content view of the tooltip popup currently being shown, or null if the tooltip
      * is not showing.
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 480741e..ba73c5f 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -3433,16 +3433,6 @@
         super.dispatchDetachedFromWindow();
     }
 
-    /** @hide */
-    @Override
-    protected void destroyHardwareResources() {
-        super.destroyHardwareResources();
-        int count = getChildCount();
-        for (int i = 0; i < count; i++) {
-            getChildAt(i).destroyHardwareResources();
-        }
-    }
-
     /**
      * @hide
      */
diff --git a/core/java/android/widget/RatingBar.java b/core/java/android/widget/RatingBar.java
index 3b7fe86..70b70bc 100644
--- a/core/java/android/widget/RatingBar.java
+++ b/core/java/android/widget/RatingBar.java
@@ -150,7 +150,11 @@
      */
     public void setIsIndicator(boolean isIndicator) {
         mIsUserSeekable = !isIndicator;
-        setFocusable(!isIndicator);
+        if (isIndicator) {
+            setFocusable(FOCUSABLE_AUTO);
+        } else {
+            setFocusable(FOCUSABLE);
+        }
     }
 
     /**
diff --git a/core/java/android/widget/SearchView.java b/core/java/android/widget/SearchView.java
index 9139361..3822138 100644
--- a/core/java/android/widget/SearchView.java
+++ b/core/java/android/widget/SearchView.java
@@ -357,9 +357,9 @@
             setInputType(inputType);
         }
 
-        boolean focusable = true;
-        focusable = a.getBoolean(R.styleable.SearchView_focusable, focusable);
-        setFocusable(focusable);
+        if (getFocusable() == FOCUSABLE_AUTO) {
+            setFocusable(FOCUSABLE);
+        }
 
         a.recycle();
 
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 2f303cd..a11ece6 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -1515,26 +1515,22 @@
         if (hint != null) setHint(hint);
 
         /*
-         * Views are not normally focusable unless specified to be.
+         * Views are not normally clickable unless specified to be.
          * However, TextViews that have input or movement methods *are*
-         * focusable by default.
+         * clickable by default. By setting clickable here, we implicitly set focusable as well
+         * if not overridden by the developer.
          */
         a = context.obtainStyledAttributes(
                 attrs, com.android.internal.R.styleable.View, defStyleAttr, defStyleRes);
-
-        boolean focusable = mMovement != null || getKeyListener() != null;
-        boolean clickable = focusable || isClickable();
-        boolean longClickable = focusable || isLongClickable();
+        boolean canInputOrMove = (mMovement != null || getKeyListener() != null);
+        boolean clickable = canInputOrMove || isClickable();
+        boolean longClickable = canInputOrMove || isLongClickable();
 
         n = a.getIndexCount();
         for (int i = 0; i < n; i++) {
             int attr = a.getIndex(i);
 
             switch (attr) {
-                case com.android.internal.R.styleable.View_focusable:
-                    focusable = a.getBoolean(attr, focusable);
-                    break;
-
                 case com.android.internal.R.styleable.View_clickable:
                     clickable = a.getBoolean(attr, clickable);
                     break;
@@ -1546,7 +1542,6 @@
         }
         a.recycle();
 
-        setFocusable(focusable);
         setClickable(clickable);
         setLongClickable(longClickable);
 
@@ -2155,11 +2150,11 @@
 
     private void fixFocusableAndClickableSettings() {
         if (mMovement != null || (mEditor != null && mEditor.mKeyListener != null)) {
-            setFocusable(true);
+            setFocusable(FOCUSABLE);
             setClickable(true);
             setLongClickable(true);
         } else {
-            setFocusable(false);
+            setFocusable(FOCUSABLE_AUTO);
             setClickable(false);
             setLongClickable(false);
         }
@@ -6126,7 +6121,7 @@
 
         mEditor.mTextIsSelectable = selectable;
         setFocusableInTouchMode(selectable);
-        setFocusable(selectable);
+        setFocusable(FOCUSABLE_AUTO);
         setClickable(selectable);
         setLongClickable(selectable);
 
diff --git a/core/jni/android_view_RenderNode.cpp b/core/jni/android_view_RenderNode.cpp
index 3eccc42..d75d5c1 100644
--- a/core/jni/android_view_RenderNode.cpp
+++ b/core/jni/android_view_RenderNode.cpp
@@ -88,7 +88,6 @@
         return;
     }
 
-    node->setStagingDisplayList(nullptr, nullptr);
     // Update the valid field, since native has already removed
     // the staging DisplayList
     env->SetBooleanField(jnode, gRenderNode_validFieldID, false);
diff --git a/core/res/res/values-mcc214-mnc01/config.xml b/core/res/res/values-mcc214-mnc01/config.xml
index 895b770..24150a7 100644
--- a/core/res/res/values-mcc214-mnc01/config.xml
+++ b/core/res/res/values-mcc214-mnc01/config.xml
@@ -40,27 +40,4 @@
       <item>INTERNET,airtelnet.es,,,vodafone,vodafone,,,,,214,01,1,DUN</item>
     </string-array>
 
-    <string-array translatable="false" name="config_operatorConsideredNonRoaming">
-        <item>21402</item>
-        <item>21403</item>
-        <item>21404</item>
-        <item>21405</item>
-        <item>21406</item>
-        <item>21407</item>
-        <item>21408</item>
-        <item>21409</item>
-        <item>21410</item>
-        <item>21411</item>
-        <item>21412</item>
-        <item>21413</item>
-        <item>21414</item>
-        <item>21415</item>
-        <item>21416</item>
-        <item>21417</item>
-        <item>21418</item>
-        <item>21419</item>
-        <item>21420</item>
-        <item>21421</item>
-    </string-array>
-
 </resources>
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index df7a5f5..0789241 100644
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -2274,13 +2274,16 @@
         <!-- Sets the padding, in pixels, of the end edge; see {@link android.R.attr#padding}. -->
         <attr name="paddingEnd" format="dimension" />
 
-        <!-- Boolean that controls whether a view can take focus.  By default the user can not
-             move focus to a view; by setting this attribute to true the view is
-             allowed to take focus.  This value does not impact the behavior of
+        <!-- Controls whether a view can take focus.  By default, this is "auto" which lets the
+             framework determine whether a user can move focus to a view.  By setting this attribute
+             to true the view is allowed to take focus. By setting it to "false" the view will not
+             take focus. This value does not impact the behavior of
              directly calling {@link android.view.View#requestFocus}, which will
              always request focus regardless of this view.  It only impacts where
              focus navigation will try to move focus. -->
-        <attr name="focusable" format="boolean" />
+        <attr name="focusable" format="boolean|enum">
+            <enum name="auto" value="0x00000010" />
+        </attr>
 
         <!-- Boolean that controls whether a view can take focus while in touch mode.
              If this is true for a view, that view can gain focus when clicked on, and can keep
@@ -7912,7 +7915,6 @@
         <attr name="queryBackground" format="reference" />
         <!-- Background for the section containing the action (e.g. voice search) -->
         <attr name="submitBackground" format="reference" />
-        <attr name="focusable" />
     </declare-styleable>
 
     <declare-styleable name="Switch">
diff --git a/core/res/res/values/attrs_manifest.xml b/core/res/res/values/attrs_manifest.xml
index dfa672d..64a64f7 100644
--- a/core/res/res/values/attrs_manifest.xml
+++ b/core/res/res/values/attrs_manifest.xml
@@ -1159,18 +1159,15 @@
          resizeable activities when in multi-window mode. -->
     <attr name="resizeableActivity" format="boolean" />
 
-    <!-- Indicates that the activity supports the picture-in-picture (PiP) form of multi-window.
-         While it makes sense to be able to resize most activities types in multi-window mode when
-         {@link android.R.attr#resizeableActivity} is set. It only makes sense to put specific types
-         of activities in PiP mode of multi-window. For example, activities that play video. When
-         set the activity will be allowed to enter PiP mode when the system deems it appropriate on
-         devices that support PiP.
+    <!-- Indicates that the activity specifically supports the picture-in-picture form of
+         multi-window. If true, this activity will support entering picture-in-picture, but will
+         only support split-screen and other forms of multi-window if
+         {@link android.R.attr#resizeableActivity} is also set to true.
 
-         <p>The default value is <code>false</code> for applications with
-         <code>targetSdkVersion</code> lesser than {@link android.os.Build.VERSION_CODES#N} and
-         <code>true</code> otherwise.
+         Note that your activity may still be resized even if this attribute is true and
+         {@link android.R.attr#resizeableActivity} is false.
 
-         <p>NOTE: Attribute is only used if {@link android.R.attr#resizeableActivity} is true. -->
+         <p>The default value is <code>false</code>.  -->
     <attr name="supportsPictureInPicture" format="boolean" />
 
     <!-- This value indicates how tasks rooted at this activity will behave in lockTask mode.
diff --git a/core/res/res/values/public.xml b/core/res/res/values/public.xml
index 30da26b..66dd1274 100644
--- a/core/res/res/values/public.xml
+++ b/core/res/res/values/public.xml
@@ -2787,6 +2787,7 @@
         <public name="supportsDismissingWindow" />
         <public name="restartOnConfigChanges" />
         <public name="certDigest" />
+        <public name="splitName" />
     </public-group>
 
     <public-group type="style" first-id="0x010302e0">
diff --git a/data/etc/privapp-permissions-platform.xml b/data/etc/privapp-permissions-platform.xml
index f1be4a9..c5961ab 100644
--- a/data/etc/privapp-permissions-platform.xml
+++ b/data/etc/privapp-permissions-platform.xml
@@ -303,6 +303,7 @@
         <permission name="android.permission.BIND_APPWIDGET"/>
         <permission name="android.permission.BLUETOOTH_PRIVILEGED"/>
         <permission name="android.permission.CHANGE_COMPONENT_ENABLED_STATE"/>
+        <permission name="android.permission.CHANGE_DEVICE_IDLE_TEMP_WHITELIST"/>
         <permission name="android.permission.CONNECTIVITY_INTERNAL"/>
         <permission name="android.permission.CONTROL_VPN"/>
         <permission name="android.permission.DUMP"/>
diff --git a/graphics/java/android/graphics/Typeface.java b/graphics/java/android/graphics/Typeface.java
index 0a349e9..4e863e3 100644
--- a/graphics/java/android/graphics/Typeface.java
+++ b/graphics/java/android/graphics/Typeface.java
@@ -16,20 +16,34 @@
 
 package android.graphics;
 
+import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.content.res.AssetManager;
+import android.graphics.fonts.FontRequest;
+import android.graphics.fonts.FontResult;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.ParcelFileDescriptor;
+import android.os.ResultReceiver;
+import android.provider.FontsContract;
 import android.text.FontConfig;
 import android.util.Log;
 import android.util.LongSparseArray;
 import android.util.LruCache;
 import android.util.SparseArray;
 
+import com.android.internal.annotations.GuardedBy;
+
+import libcore.io.IoUtils;
+
 import org.xmlpull.v1.XmlPullParserException;
 
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.nio.ByteBuffer;
 import java.nio.channels.FileChannel;
 import java.util.ArrayList;
@@ -64,7 +78,11 @@
 
     static Typeface[] sDefaults;
     private static final LongSparseArray<SparseArray<Typeface>> sTypefaceCache =
-            new LongSparseArray<SparseArray<Typeface>>(3);
+            new LongSparseArray<>(3);
+    @GuardedBy("sLock")
+    private static FontsContract sFontsContract;
+    @GuardedBy("sLock")
+    private static Handler mHandler;
 
     /**
      * Cache for Typeface objects dynamically loaded from assets. Currently max size is 16.
@@ -74,6 +92,7 @@
     static Typeface sDefaultTypeface;
     static Map<String, Typeface> sSystemFontMap;
     static FontFamily[] sFallbackFonts;
+    private static final Object sLock = new Object();
 
     static final String FONTS_CONFIG = "fonts.xml";
 
@@ -124,7 +143,7 @@
 
                 FontFamily fontFamily = new FontFamily();
                 if (fontFamily.addFontFromAssetManager(mgr, path, cookie, false /* isAsset */)) {
-                    FontFamily[] families = { fontFamily };
+                    FontFamily[] families = {fontFamily};
                     typeface = createFromFamiliesWithDefault(families);
                     sDynamicTypefaceCache.put(key, typeface);
                     return typeface;
@@ -135,6 +154,138 @@
     }
 
     /**
+     * Create a typeface object given a font request. The font will be asynchronously fetched,
+     * therefore the result is delivered to the given callback. See {@link FontRequest}.
+     * Only one of the methods in callback will be invoked, depending on whether the request
+     * succeeds or fails. These calls will happen on the main thread.
+     * @param request A {@link FontRequest} object that identifies the provider and query for the
+     *                request. May not be null.
+     * @param callback A callback that will be triggered when results are obtained. May not be null.
+     */
+    public static void create(@NonNull FontRequest request, @NonNull FontRequestCallback callback) {
+        synchronized (sLock) {
+            if (sFontsContract == null) {
+                sFontsContract = new FontsContract();
+                mHandler = new Handler();
+            }
+            final ResultReceiver receiver = new ResultReceiver(null) {
+                @Override
+                public void onReceiveResult(int resultCode, Bundle resultData) {
+                    mHandler.post(new Runnable() {
+                        @Override
+                        public void run() {
+                            receiveResult(request, callback, resultCode, resultData);
+                        }
+                    });
+                }
+            };
+            sFontsContract.getFont(request, receiver);
+        }
+    }
+
+    private static void receiveResult(FontRequest request, FontRequestCallback callback,
+            int resultCode, Bundle resultData) {
+        if (resultCode == FontsContract.RESULT_CODE_PROVIDER_NOT_FOUND) {
+            callback.onTypefaceRequestFailed(
+                    FontRequestCallback.FAIL_REASON_PROVIDER_NOT_FOUND);
+            return;
+        }
+        if (resultCode == FontsContract.RESULT_CODE_FONT_NOT_FOUND
+                || resultData == null) {
+            callback.onTypefaceRequestFailed(
+                    FontRequestCallback.FAIL_REASON_FONT_NOT_FOUND);
+            return;
+        }
+        List<FontResult> resultList =
+                resultData.getParcelableArrayList(FontsContract.PARCEL_FONT_RESULTS);
+        if (resultList == null || resultList.isEmpty()) {
+            callback.onTypefaceRequestFailed(
+                    FontRequestCallback.FAIL_REASON_FONT_NOT_FOUND);
+            return;
+        }
+        FontFamily fontFamily = new FontFamily();
+        for (int i = 0; i < resultList.size(); ++i) {
+            FontResult result = resultList.get(i);
+            ParcelFileDescriptor fd = result.getFileDescriptor();
+            if (fd == null) {
+                callback.onTypefaceRequestFailed(
+                        FontRequestCallback.FAIL_REASON_FONT_LOAD_ERROR);
+                return;
+            }
+            try (FileInputStream is = new FileInputStream(fd.getFileDescriptor())) {
+                FileChannel fileChannel = is.getChannel();
+                long fontSize = fileChannel.size();
+                ByteBuffer fontBuffer = fileChannel.map(
+                        FileChannel.MapMode.READ_ONLY, 0, fontSize);
+                int style = result.getStyle();
+                int weight = (style & BOLD) != 0 ? 700 : 400;
+                // TODO: this method should be
+                // create(fd, ttcIndex, fontVariationSettings, style).
+                if (!fontFamily.addFontWeightStyle(fontBuffer, result.getTtcIndex(),
+                                null, weight, (style & ITALIC) != 0)) {
+                    Log.e(TAG, "Error creating font " + request.getQuery());
+                    callback.onTypefaceRequestFailed(
+                            FontRequestCallback.FAIL_REASON_FONT_LOAD_ERROR);
+                    return;
+                }
+            } catch (IOException e) {
+                Log.e(TAG, "Error reading font " + request.getQuery(), e);
+                callback.onTypefaceRequestFailed(
+                        FontRequestCallback.FAIL_REASON_FONT_LOAD_ERROR);
+                return;
+            } finally {
+                IoUtils.closeQuietly(fd);
+            }
+        }
+        callback.onTypefaceRetrieved(Typeface.createFromFamiliesWithDefault(
+                new FontFamily[] {fontFamily}));
+    }
+
+    /**
+     * Interface used to receive asynchronously fetched typefaces.
+     */
+    public interface FontRequestCallback {
+        /**
+         * Constant returned by {@link #onTypefaceRequestFailed(int)} signaling that the given
+         * provider was not found on the device.
+         */
+        int FAIL_REASON_PROVIDER_NOT_FOUND = 0;
+        /**
+         * Constant returned by {@link #onTypefaceRequestFailed(int)} signaling that the font
+         * returned by the provider was not loaded properly.
+         */
+        int FAIL_REASON_FONT_LOAD_ERROR = 1;
+        /**
+         * Constant returned by {@link #onTypefaceRequestFailed(int)} signaling that the given
+         * provider did not return any results for the given query.
+         */
+        int FAIL_REASON_FONT_NOT_FOUND = 2;
+
+        /** @hide */
+        @IntDef({FAIL_REASON_PROVIDER_NOT_FOUND, FAIL_REASON_FONT_LOAD_ERROR,
+                FAIL_REASON_FONT_NOT_FOUND})
+        @Retention(RetentionPolicy.SOURCE)
+        @interface FontRequestFailReason {}
+
+        /**
+         * Called then a Typeface request done via {@link Typeface#create(FontRequest,
+         * FontRequestCallback)} is complete. Note that this method will not be called if
+         * {@link #onTypefaceRequestFailed(int)} is called instead.
+         * @param typeface  The Typeface object retrieved.
+         */
+        void onTypefaceRetrieved(Typeface typeface);
+
+        /**
+         * Called when a Typeface request done via {@link Typeface#create(FontRequest,
+         * FontRequestCallback)} fails.
+         * @param reason One of {@link #FAIL_REASON_PROVIDER_NOT_FOUND},
+         *               {@link #FAIL_REASON_FONT_NOT_FOUND} or
+         *               {@link #FAIL_REASON_FONT_LOAD_ERROR}.
+         */
+        void onTypefaceRequestFailed(@FontRequestFailReason int reason);
+    }
+
+    /**
      * Create a typeface object given a family name, and option style information.
      * If null is passed for the name, then the "default" font will be chosen.
      * The resulting typeface object can be queried (getStyle()) to discover what
diff --git a/graphics/java/android/graphics/fonts/FontRequest.java b/graphics/java/android/graphics/fonts/FontRequest.java
new file mode 100644
index 0000000..e50df6f
--- /dev/null
+++ b/graphics/java/android/graphics/fonts/FontRequest.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.graphics.fonts;
+
+import android.annotation.NonNull;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import com.android.internal.util.Preconditions;
+
+/**
+ * Information about a font request that may be sent to a Font Provider.
+ */
+public final class FontRequest implements Parcelable {
+    private final String mProviderAuthority;
+    private final String mQuery;
+
+    /**
+     * @param providerAuthority The authority of the Font Provider to be used for the request.
+     * @param query The query to be sent over to the provider. Refer to your font provider's
+     *              documentation on the format of this string.
+     */
+    public FontRequest(@NonNull String providerAuthority, @NonNull String query) {
+        mProviderAuthority = Preconditions.checkNotNull(providerAuthority);
+        mQuery = Preconditions.checkNotNull(query);
+    }
+
+    /**
+     * Returns the selected font provider's authority. This tells the system what font provider
+     * it should request the font from.
+     */
+    public String getProviderAuthority() {
+        return mProviderAuthority;
+    }
+
+    /**
+     * Returns the query string. Refer to your font provider's documentation on the format of this
+     * string.
+     */
+    public String getQuery() {
+        return mQuery;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeString(mProviderAuthority);
+        dest.writeString(mQuery);
+    }
+
+    private FontRequest(Parcel in) {
+        mProviderAuthority = in.readString();
+        mQuery = in.readString();
+    }
+
+    public static final Parcelable.Creator<FontRequest> CREATOR =
+            new Parcelable.Creator<FontRequest>() {
+                @Override
+                public FontRequest createFromParcel(Parcel in) {
+                    return new FontRequest(in);
+                }
+
+                @Override
+                public FontRequest[] newArray(int size) {
+                    return new FontRequest[size];
+                }
+            };
+
+    @Override
+    public String toString() {
+        return "FontRequest {"
+                + "mProviderAuthority: " + mProviderAuthority
+                + ", mQuery: " + mQuery
+                + "}";
+    }
+}
diff --git a/graphics/java/android/graphics/fonts/FontResult.java b/graphics/java/android/graphics/fonts/FontResult.java
new file mode 100644
index 0000000..3ef99fd
--- /dev/null
+++ b/graphics/java/android/graphics/fonts/FontResult.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.graphics.fonts;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.graphics.Paint;
+import android.os.Parcel;
+import android.os.ParcelFileDescriptor;
+import android.os.Parcelable;
+
+import com.android.internal.util.Preconditions;
+
+import java.io.FileDescriptor;
+import java.io.IOException;
+
+/**
+ * Results returned from a Font Provider to the system.
+ * @hide
+ */
+public final class FontResult implements Parcelable {
+    private final ParcelFileDescriptor mFileDescriptor;
+    private final int mTtcIndex;
+    private final String mFontVariationSettings;
+    private final int mStyle;
+
+    /**
+     * Creates a FontResult with all the information needed about a provided font.
+     * @param fileDescriptor A ParcelFileDescriptor pointing to the font file. This shoult point to
+     *                       a real file or shared memory, as the client will mmap the given file
+     *                       descriptor. Pipes, sockets and other non-mmap-able file descriptors
+     *                       will fail to load in the client application.
+     * @param ttcIndex If providing a TTC_INDEX file, the index to point to. Otherwise, 0.
+     * @param fontVariationSettings If providing a variation font, the settings for it. May be null.
+     * @param style One of {@link android.graphics.Typeface#NORMAL},
+     *              {@link android.graphics.Typeface#BOLD}, {@link android.graphics.Typeface#ITALIC}
+     *              or {@link android.graphics.Typeface#BOLD_ITALIC}
+     */
+    public FontResult(@NonNull ParcelFileDescriptor fileDescriptor, int ttcIndex,
+            @Nullable String fontVariationSettings, int style) {
+        mFileDescriptor = Preconditions.checkNotNull(fileDescriptor);
+        mTtcIndex = ttcIndex;
+        mFontVariationSettings = fontVariationSettings;
+        mStyle = style;
+    }
+
+    public ParcelFileDescriptor getFileDescriptor() {
+        return mFileDescriptor;
+    }
+
+    public int getTtcIndex() {
+        return mTtcIndex;
+    }
+
+    public String getFontVariationSettings() {
+        return mFontVariationSettings;
+    }
+
+    public int getStyle() {
+        return mStyle;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeParcelable(mFileDescriptor, flags);
+        dest.writeInt(mTtcIndex);
+        dest.writeString(mFontVariationSettings);
+        dest.writeInt(mStyle);
+    }
+
+    private FontResult(Parcel in) {
+        mFileDescriptor = in.readParcelable(null);
+        mTtcIndex = in.readInt();
+        mFontVariationSettings = in.readString();
+        mStyle = in.readInt();
+    }
+
+    public static final Parcelable.Creator<FontResult> CREATOR =
+            new Parcelable.Creator<FontResult>() {
+                @Override
+                public FontResult createFromParcel(Parcel in) {
+                    return new FontResult(in);
+                }
+
+                @Override
+                public FontResult[] newArray(int size) {
+                    return new FontResult[size];
+                }
+            };
+}
diff --git a/graphics/java/android/graphics/fonts/FontSpec.aidl b/graphics/java/android/graphics/fonts/FontSpec.aidl
new file mode 100644
index 0000000..dddea25
--- /dev/null
+++ b/graphics/java/android/graphics/fonts/FontSpec.aidl
@@ -0,0 +1,18 @@
+/* Copyright 2017, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package android.graphics.fonts;
+
+parcelable FontSpec;
\ No newline at end of file
diff --git a/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java b/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
index 2b1582d..24a3aa9 100644
--- a/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
+++ b/packages/SettingsLib/src/com/android/settingslib/applications/ApplicationsState.java
@@ -1429,6 +1429,23 @@
         }
     };
 
+    public static final AppFilter FILTER_GAMES = new AppFilter() {
+        @Override
+        public void init() {
+        }
+
+        @Override
+        public boolean filterApp(ApplicationsState.AppEntry info) {
+            // TODO: Update for the new game category.
+            boolean isGame;
+            synchronized (info.info) {
+                isGame = ((info.info.flags & ApplicationInfo.FLAG_IS_GAME) != 0)
+                        || info.info.category == ApplicationInfo.CATEGORY_GAME;
+            }
+            return isGame;
+        }
+    };
+
     public static class VolumeFilter implements AppFilter {
         private final String mVolumeUuid;
 
diff --git a/packages/SettingsLib/tests/integ/Android.mk b/packages/SettingsLib/tests/integ/Android.mk
index 98bce0c..bd910dd 100644
--- a/packages/SettingsLib/tests/integ/Android.mk
+++ b/packages/SettingsLib/tests/integ/Android.mk
@@ -28,7 +28,8 @@
     android-support-test \
     espresso-core \
     mockito-target-minus-junit4 \
-    legacy-android-test
+    legacy-android-test \
+    truth-prebuilt
 
 include frameworks/base/packages/SettingsLib/common.mk
 
diff --git a/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java b/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java
new file mode 100644
index 0000000..4f2347d
--- /dev/null
+++ b/packages/SettingsLib/tests/integ/src/com/android/settingslib/applications/ApplicationsStateTest.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settingslib.applications;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.mock;
+
+import android.content.pm.ApplicationInfo;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class ApplicationsStateTest {
+    private ApplicationsState.AppFilter mFilter;
+    private ApplicationsState.AppEntry mEntry;
+
+    @Before
+    public void setUp() {
+        mFilter = ApplicationsState.FILTER_GAMES;
+        mEntry = mock(ApplicationsState.AppEntry.class);
+        mEntry.info = mock(ApplicationInfo.class);
+    }
+
+    @Test
+    public void testGamesFilterAcceptsGameDeprecated() {
+        mEntry.info.flags = ApplicationInfo.FLAG_IS_GAME;
+
+        assertThat(mFilter.filterApp(mEntry)).isTrue();
+    }
+
+    @Test
+    public void testGameFilterAcceptsCategorizedGame() {
+        mEntry.info.category = ApplicationInfo.CATEGORY_GAME;
+
+        assertThat(mFilter.filterApp(mEntry)).isTrue();
+    }
+
+    @Test
+    public void testGameFilterAcceptsCategorizedGameAndDeprecatedIsGame() {
+        mEntry.info.flags = ApplicationInfo.FLAG_IS_GAME;
+        mEntry.info.category = ApplicationInfo.CATEGORY_GAME;
+
+        assertThat(mFilter.filterApp(mEntry)).isTrue();
+    }
+
+    @Test
+    public void testGamesFilterRejectsNotGame() {
+        mEntry.info.category = ApplicationInfo.CATEGORY_UNDEFINED;
+
+        assertThat(mFilter.filterApp(mEntry)).isFalse();
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java b/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
index 228996a..ec11812 100644
--- a/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
+++ b/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
@@ -30,9 +30,11 @@
 import com.android.systemui.assist.AssistManager;
 import com.android.systemui.keyguard.DismissCallbackRegistry;
 import com.android.systemui.statusbar.BaseStatusBar;
+import com.android.systemui.statusbar.KeyguardIndicationController;
 import com.android.systemui.statusbar.ScrimView;
 import com.android.systemui.statusbar.phone.KeyguardBouncer;
 import com.android.systemui.statusbar.phone.LightBarController;
+import com.android.systemui.statusbar.phone.LockIcon;
 import com.android.systemui.statusbar.phone.LockscreenWallpaper;
 import com.android.systemui.statusbar.phone.NotificationIconAreaController;
 import com.android.systemui.statusbar.phone.PhoneStatusBar;
@@ -115,6 +117,11 @@
         return new NotificationIconAreaController(context, phoneStatusBar);
     }
 
+    public KeyguardIndicationController createKeyguardIndicationController(Context context,
+            ViewGroup indicationArea, LockIcon lockIcon) {
+        return new KeyguardIndicationController(context, indicationArea, lockIcon);
+    }
+
     public QSTileHost createQSTileHost(Context context, PhoneStatusBar statusBar,
             StatusBarIconController iconController) {
         return new QSTileHost(context, statusBar, iconController);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/Recents.java b/packages/SystemUI/src/com/android/systemui/recents/Recents.java
index 0265c9e..8d18a75 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/Recents.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/Recents.java
@@ -438,7 +438,7 @@
                 ActivityManager.StackId.isHomeOrRecentsStack(runningTask.stackId);
         if (runningTask != null && !isRunningTaskInHomeOrRecentsStack && !screenPinningActive) {
             logDockAttempt(mContext, runningTask.topActivity, runningTask.resizeMode);
-            if (runningTask.isDockable) {
+            if (runningTask.supportsSplitScreenMultiWindow) {
                 if (metricsDockAction != -1) {
                     MetricsLogger.action(mContext, metricsDockAction,
                             runningTask.topActivity.flattenToShortString());
@@ -486,7 +486,6 @@
             case ActivityInfo.RESIZE_MODE_FORCE_RESIZEABLE:
                 return COUNTER_WINDOW_UNSUPPORTED;
             case ActivityInfo.RESIZE_MODE_RESIZEABLE:
-            case ActivityInfo.RESIZE_MODE_RESIZEABLE_AND_PIPABLE:
             case ActivityInfo.RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION:
                 return COUNTER_WINDOW_SUPPORTED;
             default:
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
index 5c7496d..11b5984 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
@@ -197,7 +197,7 @@
             Task task = new Task(taskKey, t.affiliatedTaskId, t.affiliatedTaskColor, icon,
                     thumbnail, title, titleDescription, dismissDescription, appInfoDescription,
                     activityColor, backgroundColor, isLaunchTarget, isStackTask, isSystemApp,
-                    t.isDockable, t.bounds, t.taskDescription, t.resizeMode, t.topActivity,
+                    t.supportsSplitScreenMultiWindow, t.bounds, t.taskDescription, t.resizeMode, t.topActivity,
                     isLocked);
 
             allTasks.add(task);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 08fd93d..d599ec1 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -47,6 +47,7 @@
 import com.android.systemui.statusbar.phone.KeyguardIndicationTextView;
 import com.android.systemui.statusbar.phone.LockIcon;
 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
+import com.android.systemui.statusbar.policy.UserInfoController;
 
 /**
  * Controls the indications and error messages shown on the Keyguard
@@ -83,6 +84,8 @@
     private int mChargingWattage;
     private String mMessageToShowOnScreenOn;
 
+    private KeyguardUpdateMonitorCallback mUpdateMonitor;
+
     private final DevicePolicyManager mDevicePolicyManager;
 
     public KeyguardIndicationController(Context context, ViewGroup indicationArea,
@@ -106,7 +109,7 @@
         mDevicePolicyManager = (DevicePolicyManager) context.getSystemService(
                 Context.DEVICE_POLICY_SERVICE);
 
-        KeyguardUpdateMonitor.getInstance(context).registerCallback(mUpdateMonitor);
+        KeyguardUpdateMonitor.getInstance(context).registerCallback(getKeyguardCallback());
         context.registerReceiverAsUser(mTickReceiver, UserHandle.SYSTEM,
                 new IntentFilter(Intent.ACTION_TIME_TICK), null,
                 Dependency.get(Dependency.TIME_TICK_HANDLER));
@@ -114,6 +117,23 @@
         updateDisclosure();
     }
 
+    /**
+     * Gets the {@link KeyguardUpdateMonitorCallback} instance associated with this
+     * {@link KeyguardIndicationController}.
+     *
+     * <p>Subclasses may override this method to extend or change the callback behavior by extending
+     * the {@link BaseKeyguardCallback}.
+     *
+     * @return A KeyguardUpdateMonitorCallback. Multiple calls to this method <b>must</b> return the
+     * same instance.
+     */
+    protected KeyguardUpdateMonitorCallback getKeyguardCallback() {
+        if (mUpdateMonitor == null) {
+            mUpdateMonitor = new BaseKeyguardCallback();
+        }
+        return mUpdateMonitor;
+    }
+
     private void updateDisclosure() {
         if (mDevicePolicyManager == null) {
             return;
@@ -152,6 +172,12 @@
     }
 
     /**
+     * Sets the active controller managing changes and callbacks to user information.
+     */
+    public void setUserInfoController(UserInfoController userInfoController) {
+    }
+
+    /**
      * Hides transient indication in {@param delayMs}.
      */
     public void hideTransientIndicationDelayed(long delayMs) {
@@ -264,8 +290,37 @@
         }
     }
 
-    KeyguardUpdateMonitorCallback mUpdateMonitor = new KeyguardUpdateMonitorCallback() {
-        public int mLastSuccessiveErrorMessage = -1;
+    public void setStatusBarKeyguardViewManager(
+            StatusBarKeyguardViewManager statusBarKeyguardViewManager) {
+        mStatusBarKeyguardViewManager = statusBarKeyguardViewManager;
+    }
+
+    BroadcastReceiver mTickReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            mHandler.post(() -> {
+                if (mVisible) {
+                    updateIndication();
+                }
+            });
+        }
+    };
+
+    private final Handler mHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            if (msg.what == MSG_HIDE_TRANSIENT && mTransientIndication != null) {
+                mTransientIndication = null;
+                updateIndication();
+            } else if (msg.what == MSG_CLEAR_FP_MSG) {
+                mLockIcon.setTransientFpError(false);
+                hideTransientIndication();
+            }
+        }
+    };
+
+    protected class BaseKeyguardCallback extends KeyguardUpdateMonitorCallback {
+        private int mLastSuccessiveErrorMessage = -1;
 
         @Override
         public void onRefreshBatteryInfo(KeyguardUpdateMonitor.BatteryStatus status) {
@@ -372,34 +427,4 @@
             }
         }
     };
-
-    BroadcastReceiver mTickReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            mHandler.post(() -> {
-                if (mVisible) {
-                    updateIndication();
-                }
-            });
-        }
-    };
-
-
-    private final Handler mHandler = new Handler() {
-        @Override
-        public void handleMessage(Message msg) {
-            if (msg.what == MSG_HIDE_TRANSIENT && mTransientIndication != null) {
-                mTransientIndication = null;
-                updateIndication();
-            } else if (msg.what == MSG_CLEAR_FP_MSG) {
-                mLockIcon.setTransientFpError(false);
-                hideTransientIndication();
-            }
-        }
-    };
-
-    public void setStatusBarKeyguardViewManager(
-            StatusBarKeyguardViewManager statusBarKeyguardViewManager) {
-        mStatusBarKeyguardViewManager = statusBarKeyguardViewManager;
-    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LockIcon.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LockIcon.java
index 695b500..ef42b2f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LockIcon.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LockIcon.java
@@ -29,11 +29,12 @@
 import com.android.systemui.R;
 import com.android.systemui.statusbar.KeyguardAffordanceView;
 import com.android.systemui.statusbar.policy.AccessibilityController;
+import com.android.systemui.statusbar.policy.UserInfoController.OnUserInfoChangedListener;
 
 /**
  * Manages the different states and animations of the unlock icon.
  */
-public class LockIcon extends KeyguardAffordanceView {
+public class LockIcon extends KeyguardAffordanceView implements OnUserInfoChangedListener {
 
     private static final int FP_DRAW_OFF_TIMEOUT = 800;
 
@@ -49,6 +50,7 @@
     private boolean mDeviceInteractive;
     private boolean mScreenOn;
     private boolean mLastScreenOn;
+    private Drawable mUserAvatarIcon;
     private TrustDrawable mTrustDrawable;
     private final UnlockMethodCache mUnlockMethodCache;
     private AccessibilityController mAccessibilityController;
@@ -80,6 +82,12 @@
         mTrustDrawable.stop();
     }
 
+    @Override
+    public void onUserInfoChanged(String name, Drawable picture, String userAccount) {
+        mUserAvatarIcon = picture;
+        update();
+    }
+
     public void setTransientFpError(boolean transientFpError) {
         mTransientFpError = transientFpError;
         update();
@@ -126,27 +134,33 @@
         boolean trustHidden = anyFingerprintIcon;
         if (state != mLastState || mDeviceInteractive != mLastDeviceInteractive
                 || mScreenOn != mLastScreenOn || force) {
-            boolean isAnim = true;
-            int iconRes = getAnimationResForTransition(mLastState, state, mLastDeviceInteractive,
+            int iconAnimRes =
+                getAnimationResForTransition(mLastState, state, mLastDeviceInteractive,
                     mDeviceInteractive, mLastScreenOn, mScreenOn);
-            if (iconRes == R.drawable.lockscreen_fingerprint_draw_off_animation) {
+            boolean isAnim = iconAnimRes != -1;
+            if (iconAnimRes == R.drawable.lockscreen_fingerprint_draw_off_animation) {
                 anyFingerprintIcon = true;
                 useAdditionalPadding = true;
                 trustHidden = true;
-            } else if (iconRes == R.drawable.trusted_state_to_error_animation) {
+            } else if (iconAnimRes == R.drawable.trusted_state_to_error_animation) {
                 anyFingerprintIcon = true;
                 useAdditionalPadding = false;
                 trustHidden = true;
-            } else if (iconRes == R.drawable.error_to_trustedstate_animation) {
+            } else if (iconAnimRes == R.drawable.error_to_trustedstate_animation) {
                 anyFingerprintIcon = true;
                 useAdditionalPadding = false;
                 trustHidden = false;
             }
-            if (iconRes == -1) {
-                iconRes = getIconForState(state, mScreenOn, mDeviceInteractive);
-                isAnim = false;
+
+            Drawable icon;
+            if (isAnim) {
+                // Load the animation resource.
+                icon = mContext.getDrawable(iconAnimRes);
+            } else {
+                // Load the static icon resource based on the current state.
+                icon = getIconForState(state, mScreenOn, mDeviceInteractive);
             }
-            Drawable icon = mContext.getDrawable(iconRes);
+
             final AnimatedVectorDrawable animation = icon instanceof AnimatedVectorDrawable
                     ? (AnimatedVectorDrawable) icon
                     : null;
@@ -175,7 +189,7 @@
                 animation.start();
             }
 
-            if (iconRes == R.drawable.lockscreen_fingerprint_draw_off_animation) {
+            if (iconAnimRes == R.drawable.lockscreen_fingerprint_draw_off_animation) {
                 removeCallbacks(mDrawOffTimeout);
                 postDelayed(mDrawOffTimeout, FP_DRAW_OFF_TIMEOUT);
             } else {
@@ -225,25 +239,38 @@
         mAccessibilityController = accessibilityController;
     }
 
-    private int getIconForState(int state, boolean screenOn, boolean deviceInteractive) {
+    private Drawable getIconForState(int state, boolean screenOn, boolean deviceInteractive) {
+        int iconRes;
         switch (state) {
             case STATE_LOCKED:
-                return R.drawable.ic_lock_24dp;
+                iconRes = R.drawable.ic_lock_24dp;
+                break;
             case STATE_LOCK_OPEN:
-                return R.drawable.ic_lock_open_24dp;
+                if (mUnlockMethodCache.isTrustManaged() && mUnlockMethodCache.isTrusted()
+                    && mUserAvatarIcon != null) {
+                    return mUserAvatarIcon;
+                } else {
+                    iconRes = R.drawable.ic_lock_open_24dp;
+                }
+                break;
             case STATE_FACE_UNLOCK:
-                return com.android.internal.R.drawable.ic_account_circle;
+                iconRes = com.android.internal.R.drawable.ic_account_circle;
+                break;
             case STATE_FINGERPRINT:
                 // If screen is off and device asleep, use the draw on animation so the first frame
                 // gets drawn.
-                return screenOn && deviceInteractive
+                iconRes = screenOn && deviceInteractive
                         ? R.drawable.ic_fingerprint
                         : R.drawable.lockscreen_fingerprint_draw_on_animation;
+                break;
             case STATE_FINGERPRINT_ERROR:
-                return R.drawable.ic_fingerprint_error;
+                iconRes = R.drawable.ic_fingerprint_error;
+                break;
             default:
                 throw new IllegalArgumentException();
         }
+
+        return mContext.getDrawable(iconRes);
     }
 
     private int getAnimationResForTransition(int oldState, int newState,
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
index 3c46d26..d40326a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
@@ -546,8 +546,7 @@
 
     private boolean onLongPressRecents() {
         if (mRecents == null || !ActivityManager.supportsMultiWindow()
-                || !mDivider.getView().getSnapAlgorithm()
-                .isSplitScreenFeasible()) {
+                || !mDivider.getView().getSnapAlgorithm().isSplitScreenFeasible()) {
             return false;
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 21c7ccd..fdf7296 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -801,7 +801,8 @@
                 (KeyguardStatusView) mStatusBarWindow.findViewById(R.id.keyguard_status_view);
         mKeyguardBottomArea =
                 (KeyguardBottomAreaView) mStatusBarWindow.findViewById(R.id.keyguard_bottom_area);
-        mKeyguardIndicationController = new KeyguardIndicationController(mContext,
+        mKeyguardIndicationController =
+                SystemUIFactory.getInstance().createKeyguardIndicationController(mContext,
                 (ViewGroup) mStatusBarWindow.findViewById(R.id.keyguard_indication_area),
                 mKeyguardBottomArea.getLockIcon());
         mKeyguardBottomArea.setKeyguardIndicationController(mKeyguardIndicationController);
@@ -1179,6 +1180,8 @@
                 mFingerprintUnlockController);
         mKeyguardIndicationController.setStatusBarKeyguardViewManager(
                 mStatusBarKeyguardViewManager);
+        mKeyguardIndicationController.setUserInfoController(
+                Dependency.get(UserInfoController.class));
         mFingerprintUnlockController.setStatusBarKeyguardViewManager(mStatusBarKeyguardViewManager);
         mIconPolicy.setStatusBarKeyguardViewManager(mStatusBarKeyguardViewManager);
         mRemoteInputController.addCallback(mStatusBarKeyguardViewManager);
diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java
index 7e82586..88c05b5 100644
--- a/services/backup/java/com/android/server/backup/BackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/BackupManagerService.java
@@ -34,13 +34,15 @@
 import android.app.backup.BackupTransport;
 import android.app.backup.FullBackup;
 import android.app.backup.FullBackupDataOutput;
-import android.app.backup.IBackupObserver;
-import android.app.backup.RestoreDescription;
-import android.app.backup.RestoreSet;
 import android.app.backup.IBackupManager;
+import android.app.backup.IBackupObserver;
 import android.app.backup.IFullBackupRestoreObserver;
 import android.app.backup.IRestoreObserver;
 import android.app.backup.IRestoreSession;
+import android.app.backup.ISelectBackupTransportCallback;
+import android.app.backup.RestoreDescription;
+import android.app.backup.RestoreSet;
+import android.app.backup.SelectBackupTransportCallback;
 import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
@@ -55,16 +57,15 @@
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.content.pm.ServiceInfo;
-import android.content.pm.Signature;
 import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.Signature;
 import android.database.ContentObserver;
 import android.net.Uri;
 import android.os.Binder;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
+import android.os.Environment.UserEnvironment;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.IBinder;
@@ -79,15 +80,12 @@
 import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.WorkSource;
-import android.os.Environment.UserEnvironment;
 import android.os.storage.IStorageManager;
 import android.os.storage.StorageManager;
 import android.provider.Settings;
 import android.system.ErrnoException;
 import android.system.Os;
 import android.text.TextUtils;
-import android.util.ArrayMap;
-import android.util.ArraySet;
 import android.util.AtomicFile;
 import android.util.EventLog;
 import android.util.Log;
@@ -105,6 +103,8 @@
 import com.android.server.SystemService;
 import com.android.server.backup.PackageManagerBackupAgent.Metadata;
 
+import libcore.io.IoUtils;
+
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.ByteArrayInputStream;
@@ -139,7 +139,6 @@
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
-import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Objects;
 import java.util.Random;
@@ -166,8 +165,6 @@
 import javax.crypto.spec.PBEKeySpec;
 import javax.crypto.spec.SecretKeySpec;
 
-import libcore.io.IoUtils;
-
 public class BackupManagerService {
 
     private static final String TAG = "BackupManagerService";
@@ -271,6 +268,8 @@
     private IStorageManager mStorageManager;
     IBackupManager mBackupManagerBinder;
 
+    private final TransportManager mTransportManager;
+
     boolean mEnabled;   // access to this is synchronized on 'this'
     boolean mProvisioned;
     boolean mAutoRestore;
@@ -322,16 +321,6 @@
     final Object mClearDataLock = new Object();
     volatile boolean mClearingData;
 
-    // Transport bookkeeping
-    final ArraySet<ComponentName> mTransportWhitelist;
-    final Intent mTransportServiceIntent = new Intent(SERVICE_ACTION_TRANSPORT_HOST);
-    final ArrayMap<String,String> mTransportNames
-            = new ArrayMap<String,String>();             // component name -> registration name
-    final ArrayMap<String,IBackupTransport> mTransports
-            = new ArrayMap<String,IBackupTransport>();   // registration name -> binder
-    final ArrayMap<String,TransportConnection> mTransportConnections
-            = new ArrayMap<String,TransportConnection>();
-    String mCurrentTransport;
     ActiveRestoreSession mActiveRestoreSession;
 
     // Watch the device provisioning operation during setup
@@ -756,7 +745,7 @@
             {
                 mLastBackupPass = System.currentTimeMillis();
 
-                IBackupTransport transport = getTransport(mCurrentTransport);
+                IBackupTransport transport = mTransportManager.getCurrentTransportBinder();
                 if (transport == null) {
                     Slog.v(TAG, "Backup requested but no transport available");
                     synchronized (mQueueLock) {
@@ -1202,32 +1191,19 @@
         // Set up our transport options and initialize the default transport
         // TODO: Don't create transports that we don't need to?
         SystemConfig systemConfig = SystemConfig.getInstance();
-        mTransportWhitelist = systemConfig.getBackupTransportWhitelist();
+        Set<ComponentName> transportWhitelist = systemConfig.getBackupTransportWhitelist();
 
         String transport = Settings.Secure.getString(context.getContentResolver(),
                 Settings.Secure.BACKUP_TRANSPORT);
         if (TextUtils.isEmpty(transport)) {
             transport = null;
         }
-        mCurrentTransport = transport;
-        if (DEBUG) Slog.v(TAG, "Starting with transport " + mCurrentTransport);
+        String currentTransport = transport;
+        if (DEBUG) Slog.v(TAG, "Starting with transport " + currentTransport);
 
-        // Find all transport hosts and bind to their services
-        // TODO: http://b/22388012
-        List<ResolveInfo> hosts = mPackageManager.queryIntentServicesAsUser(
-                mTransportServiceIntent, 0, UserHandle.USER_SYSTEM);
-        if (DEBUG) {
-            Slog.v(TAG, "Found transports: " + ((hosts == null) ? "null" : hosts.size()));
-        }
-        if (hosts != null) {
-            for (int i = 0; i < hosts.size(); i++) {
-                final ServiceInfo transportService = hosts.get(i).serviceInfo;
-                if (MORE_DEBUG) {
-                    Slog.v(TAG, "   " + transportService.packageName + "/" + transportService.name);
-                }
-                tryBindTransport(transportService);
-            }
-        }
+        mTransportManager = new TransportManager(context, transportWhitelist, currentTransport,
+                mTransportBoundListener);
+        mTransportManager.registerAllTransports();
 
         // Now that we know about valid backup participants, parse any
         // leftover journal files into the pending backup set
@@ -1751,7 +1727,7 @@
         mBackupHandler.removeMessages(MSG_RETRY_INIT);
 
         try {
-            IBackupTransport transport = getTransport(transportName);
+            IBackupTransport transport = mTransportManager.getTransportBinder(transportName);
             if (transport != null) {
                 String transportDirName = transport.transportDirName();
                 File stateDir = new File(mBaseStateDir, transportDirName);
@@ -1829,49 +1805,39 @@
         }
     }
 
-    // Add a transport to our set of available backends.  If 'transport' is null, this
-    // is an unregistration, and the transport's entry is removed from our bookkeeping.
-    private void registerTransport(String name, String component, IBackupTransport transport) {
-        synchronized (mTransports) {
-            if (DEBUG) Slog.v(TAG, "Registering transport "
-                    + component + "::" + name + " = " + transport);
-            if (transport != null) {
-                mTransports.put(name, transport);
-                mTransportNames.put(component, name);
-            } else {
-                mTransports.remove(mTransportNames.get(component));
-                mTransportNames.remove(component);
-                // Nothing further to do in the unregistration case
-                return;
-            }
-        }
+    private TransportManager.TransportBoundListener mTransportBoundListener =
+            new TransportManager.TransportBoundListener() {
+        @Override
+        public boolean onTransportBound(IBackupTransport transport) {
+            // If the init sentinel file exists, we need to be sure to perform the init
+            // as soon as practical.  We also create the state directory at registration
+            // time to ensure it's present from the outset.
+            String name = null;
+            try {
+                name = transport.name();
+                String transportDirName = transport.transportDirName();
+                File stateDir = new File(mBaseStateDir, transportDirName);
+                stateDir.mkdirs();
 
-        // If the init sentinel file exists, we need to be sure to perform the init
-        // as soon as practical.  We also create the state directory at registration
-        // time to ensure it's present from the outset.
-        try {
-            String transportName = transport.transportDirName();
-            File stateDir = new File(mBaseStateDir, transportName);
-            stateDir.mkdirs();
+                File initSentinel = new File(stateDir, INIT_SENTINEL_FILE_NAME);
+                if (initSentinel.exists()) {
+                    synchronized (mQueueLock) {
+                        mPendingInits.add(name);
 
-            File initSentinel = new File(stateDir, INIT_SENTINEL_FILE_NAME);
-            if (initSentinel.exists()) {
-                synchronized (mQueueLock) {
-                    mPendingInits.add(name);
-
-                    // TODO: pick a better starting time than now + 1 minute
-                    long delay = 1000 * 60; // one minute, in milliseconds
-                    mAlarmManager.set(AlarmManager.RTC_WAKEUP,
-                            System.currentTimeMillis() + delay, mRunInitIntent);
+                        // TODO: pick a better starting time than now + 1 minute
+                        long delay = 1000 * 60; // one minute, in milliseconds
+                        mAlarmManager.set(AlarmManager.RTC_WAKEUP,
+                                System.currentTimeMillis() + delay, mRunInitIntent);
+                    }
                 }
+                return true;
+            } catch (Exception e) {
+                // the transport threw when asked its file naming prefs; declare it invalid
+                Slog.w(TAG, "Failed to regiser transport: " + name);
+                return false;
             }
-        } catch (Exception e) {
-            // the transport threw when asked its file naming prefs; declare it invalid
-            Slog.e(TAG, "Unable to register transport as " + name);
-            mTransportNames.remove(component);
-            mTransports.remove(name);
         }
-    }
+    };
 
     // ----- Track installation/removal of packages -----
     BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@@ -1899,75 +1865,17 @@
 
                 // At package-changed we only care about looking at new transport states
                 if (changed) {
-                    try {
-                        String[] components =
-                                intent.getStringArrayExtra(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST);
+                    String[] components =
+                            intent.getStringArrayExtra(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST);
 
-                        if (MORE_DEBUG) {
-                            Slog.i(TAG, "Package " + pkgName + " changed; rechecking");
-                            for (int i = 0; i < components.length; i++) {
-                                Slog.i(TAG, "   * " + components[i]);
-                            }
-                        }
-
-                        // In general we need to try to bind any time we see a component enable
-                        // state change, because that change may have made a transport available.
-                        // However, because we currently only support a single transport component
-                        // per package, we can skip the bind attempt if the change (a) affects a
-                        // package known to host a transport, but (b) does not affect the known
-                        // transport component itself.
-                        //
-                        // In addition, if the change *is* to a known transport component, we need
-                        // to unbind it before retrying the binding.
-                        boolean tryBind = true;
-                        synchronized (mTransports) {
-                            TransportConnection conn = mTransportConnections.get(pkgName);
-                            if (conn != null) {
-                                // We have a bound transport in this package; do we need to rebind it?
-                                final ServiceInfo svc = conn.mTransport;
-                                ComponentName svcName =
-                                        new ComponentName(svc.packageName, svc.name);
-                                if (svc.packageName.equals(pkgName)) {
-                                    final String className = svcName.getClassName();
-                                    if (MORE_DEBUG) {
-                                        Slog.i(TAG, "Checking need to rebind " + className);
-                                    }
-                                    // See whether it's the transport component within this package
-                                    boolean isTransport = false;
-                                    for (int i = 0; i < components.length; i++) {
-                                        if (className.equals(components[i])) {
-                                            // Okay, it's an existing transport component.
-                                            final String flatName = svcName.flattenToShortString();
-                                            mContext.unbindService(conn);
-                                            mTransportConnections.remove(pkgName);
-                                            mTransports.remove(mTransportNames.get(flatName));
-                                            mTransportNames.remove(flatName);
-                                            isTransport = true;
-                                            break;
-                                        }
-                                    }
-                                    if (!isTransport) {
-                                        // A non-transport component within a package that is hosting
-                                        // a bound transport
-                                        tryBind = false;
-                                    }
-                                }
-                            }
-                        }
-                        // and now (re)bind as appropriate
-                        if (tryBind) {
-                            if (MORE_DEBUG) {
-                                Slog.i(TAG, "Yes, need to recheck binding");
-                            }
-                            PackageInfo app = mPackageManager.getPackageInfo(pkgName, 0);
-                            checkForTransportAndBind(app);
-                        }
-                    } catch (NameNotFoundException e) {
-                        // Nope, can't find it - just ignore
-                        if (MORE_DEBUG) {
-                            Slog.w(TAG, "Can't find changed package " + pkgName);
+                    if (MORE_DEBUG) {
+                        Slog.i(TAG, "Package " + pkgName + " changed; rechecking");
+                        for (int i = 0; i < components.length; i++) {
+                            Slog.i(TAG, "   * " + components[i]);
                         }
                     }
+
+                    mTransportManager.onPackageChanged(pkgName, components);
                     return; // nothing more to do in the PACKAGE_CHANGED case
                 }
 
@@ -2015,19 +1923,7 @@
                             writeFullBackupScheduleAsync();
                         }
 
-                        // Transport maintenance: rebind to known existing transports that have
-                        // just been updated; and bind to any newly-installed transport services.
-                        synchronized (mTransports) {
-                            final TransportConnection conn = mTransportConnections.get(packageName);
-                            if (conn != null) {
-                                if (MORE_DEBUG) {
-                                    Slog.i(TAG, "Transport package changed; rebinding");
-                                }
-                                bindTransport(conn.mTransport);
-                            } else {
-                                checkForTransportAndBind(app);
-                            }
-                        }
+                        mTransportManager.onPackageAdded(packageName);
 
                     } catch (NameNotFoundException e) {
                         // doesn't really exist; ignore it
@@ -2051,107 +1947,13 @@
                         removePackageParticipantsLocked(pkgList, uid);
                     }
                 }
+                for (String pkgName : pkgList) {
+                    mTransportManager.onPackageRemoved(pkgName);
+                }
             }
         }
     };
 
-    // ----- Track connection to transports service -----
-    class TransportConnection implements ServiceConnection {
-        ServiceInfo mTransport;
-
-        public TransportConnection(ServiceInfo transport) {
-            mTransport = transport;
-        }
-
-        @Override
-        public void onServiceConnected(ComponentName component, IBinder service) {
-            if (DEBUG) Slog.v(TAG, "Connected to transport " + component);
-            final String name = component.flattenToShortString();
-            try {
-                IBackupTransport transport = IBackupTransport.Stub.asInterface(service);
-                registerTransport(transport.name(), name, transport);
-                EventLog.writeEvent(EventLogTags.BACKUP_TRANSPORT_LIFECYCLE, name, 1);
-            } catch (Exception e) {
-                Slog.e(TAG, "Unable to register transport " + component
-                        + ": " + e.getMessage());
-                EventLog.writeEvent(EventLogTags.BACKUP_TRANSPORT_LIFECYCLE, name, 0);
-            }
-        }
-
-        @Override
-        public void onServiceDisconnected(ComponentName component) {
-            if (DEBUG) Slog.v(TAG, "Disconnected from transport " + component);
-            final String name = component.flattenToShortString();
-            EventLog.writeEvent(EventLogTags.BACKUP_TRANSPORT_LIFECYCLE, name, 0);
-            registerTransport(null, name, null);
-        }
-    };
-
-    // Check whether the given package hosts a transport, and bind if so
-    void checkForTransportAndBind(PackageInfo pkgInfo) {
-        Intent intent = new Intent(mTransportServiceIntent)
-                .setPackage(pkgInfo.packageName);
-        // TODO: http://b/22388012
-        List<ResolveInfo> hosts = mPackageManager.queryIntentServicesAsUser(
-                intent, 0, UserHandle.USER_SYSTEM);
-        if (hosts != null) {
-            final int N = hosts.size();
-            for (int i = 0; i < N; i++) {
-                final ServiceInfo info = hosts.get(i).serviceInfo;
-                tryBindTransport(info);
-            }
-        }
-    }
-
-    // Verify that the service exists and is hosted by a privileged app, then proceed to bind
-    boolean tryBindTransport(ServiceInfo info) {
-        try {
-            PackageInfo packInfo = mPackageManager.getPackageInfo(info.packageName, 0);
-            if ((packInfo.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED)
-                    != 0) {
-                return bindTransport(info);
-            } else {
-                Slog.w(TAG, "Transport package " + info.packageName + " not privileged");
-            }
-        } catch (NameNotFoundException e) {
-            Slog.w(TAG, "Problem resolving transport package " + info.packageName);
-        }
-        return false;
-    }
-
-    // Actually bind; presumes that we have already validated the transport service
-    boolean bindTransport(ServiceInfo transport) {
-        ComponentName svcName = new ComponentName(transport.packageName, transport.name);
-        if (!mTransportWhitelist.contains(svcName)) {
-            Slog.w(TAG, "Proposed transport " + svcName + " not whitelisted; ignoring");
-            return false;
-        }
-
-        if (MORE_DEBUG) {
-            Slog.i(TAG, "Binding to transport host " + svcName);
-        }
-        Intent intent = new Intent(mTransportServiceIntent);
-        intent.setComponent(svcName);
-
-        TransportConnection connection;
-        synchronized (mTransports) {
-            connection = mTransportConnections.get(transport.packageName);
-            if (null == connection) {
-                connection = new TransportConnection(transport);
-                mTransportConnections.put(transport.packageName, connection);
-            } else {
-                // This is a rebind due to package upgrade.  The service won't be
-                // automatically relaunched for us until we explicitly rebind, but
-                // we need to unbind the now-orphaned original connection.
-                mContext.unbindService(connection);
-            }
-        }
-        // TODO: http://b/22388012
-        return mContext.bindServiceAsUser(intent,
-                connection, Context.BIND_AUTO_CREATE,
-                UserHandle.SYSTEM);
-    }
-
     // Add the backup agents in the given packages to our set of known backup participants.
     // If 'packageNames' is null, adds all backup agents in the whole system.
     void addPackageParticipantsLocked(String[] packageNames) {
@@ -2352,34 +2154,12 @@
         }
     }
 
-    // Return the given transport
-    private IBackupTransport getTransport(String transportName) {
-        synchronized (mTransports) {
-            IBackupTransport transport = mTransports.get(transportName);
-            if (transport == null) {
-                Slog.w(TAG, "Requested unavailable transport: " + transportName);
-            }
-            return transport;
-        }
-    }
-
     // What name is this transport registered under...?
     private String getTransportName(IBackupTransport transport) {
         if (MORE_DEBUG) {
             Slog.v(TAG, "Searching for transport name of " + transport);
         }
-        synchronized (mTransports) {
-            final int N = mTransports.size();
-            for (int i = 0; i < N; i++) {
-                if (mTransports.valueAt(i).equals(transport)) {
-                    if (MORE_DEBUG) {
-                        Slog.v(TAG, "  Name found: " + mTransports.keyAt(i));
-                    }
-                    return mTransports.keyAt(i);
-                }
-            }
-        }
-        return null;
+        return mTransportManager.getTransportName(transport);
     }
 
     // fire off a backup agent, blocking until it attaches or times out
@@ -2505,7 +2285,7 @@
             throw new IllegalArgumentException("No packages are provided for backup");
         }
 
-        IBackupTransport transport = getTransport(mCurrentTransport);
+        IBackupTransport transport = mTransportManager.getCurrentTransportBinder();
         if (transport == null) {
             sendBackupFinished(observer, BackupManager.ERROR_TRANSPORT_ABORTED);
             return BackupManager.ERROR_TRANSPORT_ABORTED;
@@ -3025,7 +2805,7 @@
                     if (MORE_DEBUG) Slog.d(TAG, "Server requires init; rerunning");
                     addBackupTrace("init required; rerunning");
                     try {
-                        final String name = getTransportName(mTransport);
+                        final String name = mTransportManager.getTransportName(mTransport);
                         if (name != null) {
                             mPendingInits.add(name);
                         } else {
@@ -4503,7 +4283,7 @@
                     return;
                 }
 
-                IBackupTransport transport = getTransport(mCurrentTransport);
+                IBackupTransport transport = mTransportManager.getCurrentTransportBinder();
                 if (transport == null) {
                     Slog.w(TAG, "Transport not present; full data backup not performed");
                     backupRunStatus = BackupManager.ERROR_TRANSPORT_ABORTED;
@@ -5119,7 +4899,7 @@
 
                 headBusy = false;
 
-                if (!fullBackupAllowable(getTransport(mCurrentTransport))) {
+                if (!fullBackupAllowable(mTransportManager.getCurrentTransportBinder())) {
                     if (MORE_DEBUG) {
                         Slog.i(TAG, "Preconditions not met; not running full backup");
                     }
@@ -9115,7 +8895,8 @@
         public void run() {
             try {
                 for (String transportName : mQueue) {
-                    IBackupTransport transport = getTransport(transportName);
+                    IBackupTransport transport =
+                            mTransportManager.getTransportBinder(transportName);
                     if (transport == null) {
                         Slog.e(TAG, "Requested init for " + transportName + " but not found");
                         continue;
@@ -9312,7 +9093,8 @@
             if (MORE_DEBUG) Slog.v(TAG, "Found the app - running clear process");
             mBackupHandler.removeMessages(MSG_RETRY_CLEAR);
             synchronized (mQueueLock) {
-                final IBackupTransport transport = getTransport(transportName);
+                final IBackupTransport transport =
+                        mTransportManager.getTransportBinder(transportName);
                 if (transport == null) {
                     // transport is currently unavailable -- make sure to retry
                     Message msg = mBackupHandler.obtainMessage(MSG_RETRY_CLEAR,
@@ -9450,7 +9232,7 @@
             throw new IllegalStateException("Restore supported only for the device owner");
         }
 
-        if (!fullBackupAllowable(getTransport(mCurrentTransport))) {
+        if (!fullBackupAllowable(mTransportManager.getCurrentTransportBinder())) {
             Slog.i(TAG, "Full backup not currently possible -- key/value backup not yet run?");
         } else {
             if (DEBUG) {
@@ -9718,10 +9500,7 @@
                     if (wasEnabled && mProvisioned) {
                         // NOTE: we currently flush every registered transport, not just
                         // the currently-active one.
-                        HashSet<String> allTransports;
-                        synchronized (mTransports) {
-                            allTransports = new HashSet<String>(mTransports.keySet());
-                        }
+                        String[] allTransports = mTransportManager.getBoundTransportNames();
                         // build the set of transports for which we are posting an init
                         for (String transport : allTransports) {
                             recordInitPendingLocked(true, transport);
@@ -9774,36 +9553,27 @@
     public String getCurrentTransport() {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
                 "getCurrentTransport");
-        if (MORE_DEBUG) Slog.v(TAG, "... getCurrentTransport() returning " + mCurrentTransport);
-        return mCurrentTransport;
+        String currentTransport = mTransportManager.getCurrentTransportName();
+        if (MORE_DEBUG) Slog.v(TAG, "... getCurrentTransport() returning " + currentTransport);
+        return currentTransport;
     }
 
     // Report all known, available backup transports
     public String[] listAllTransports() {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP, "listAllTransports");
 
-        String[] list = null;
-        ArrayList<String> known = new ArrayList<String>();
-        for (Map.Entry<String, IBackupTransport> entry : mTransports.entrySet()) {
-            if (entry.getValue() != null) {
-                known.add(entry.getKey());
-            }
-        }
+        return mTransportManager.getBoundTransportNames();
+    }
 
-        if (known.size() > 0) {
-            list = new String[known.size()];
-            known.toArray(list);
-        }
-        return list;
+    public ComponentName[] listAllTransportComponents() {
+        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
+                "listAllTransportComponents");
+        return mTransportManager.getAllTransportCompenents();
     }
 
     public String[] getTransportWhitelist() {
         // No permission check, intentionally.
-        String[] whitelist = new String[mTransportWhitelist.size()];
-        for (int i = mTransportWhitelist.size() - 1; i >= 0; i--) {
-            whitelist[i] = mTransportWhitelist.valueAt(i).flattenToShortString();
-        }
-        return whitelist;
+        return mTransportManager.getTransportWhitelist().toArray(new String[0]);
     }
 
     // Select which transport to use for the next backup operation.
@@ -9811,22 +9581,58 @@
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
                 "selectBackupTransport");
 
-        synchronized (mTransports) {
-            final long oldId = Binder.clearCallingIdentity();
-            try {
-                String prevTransport = mCurrentTransport;
-                mCurrentTransport = transport;
-                Settings.Secure.putString(mContext.getContentResolver(),
-                        Settings.Secure.BACKUP_TRANSPORT, transport);
-                Slog.v(TAG, "selectBackupTransport() set " + mCurrentTransport
-                        + " returning " + prevTransport);
-                return prevTransport;
-            } finally {
-                Binder.restoreCallingIdentity(oldId);
-            }
+        final long oldId = Binder.clearCallingIdentity();
+        try {
+            String prevTransport = mTransportManager.selectTransport(transport);
+            Settings.Secure.putString(mContext.getContentResolver(),
+                    Settings.Secure.BACKUP_TRANSPORT, transport);
+            Slog.v(TAG, "selectBackupTransport() set " + mTransportManager.getCurrentTransportName()
+                    + " returning " + prevTransport);
+            return prevTransport;
+        } finally {
+            Binder.restoreCallingIdentity(oldId);
         }
     }
 
+    public void selectBackupTransportAsync(final ComponentName transport,
+            final ISelectBackupTransportCallback listener) {
+        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
+                "selectBackupTransportAsync");
+
+        final long oldId = Binder.clearCallingIdentity();
+
+        Slog.v(TAG, "selectBackupTransportAsync() called with transport " +
+                transport.flattenToShortString());
+
+        mTransportManager.ensureTransportReady(transport, new SelectBackupTransportCallback() {
+            @Override
+            public void onSuccess(String transportName) {
+                mTransportManager.selectTransport(transportName);
+                Settings.Secure.putString(mContext.getContentResolver(),
+                        Settings.Secure.BACKUP_TRANSPORT,
+                        mTransportManager.getCurrentTransportName());
+                Slog.v(TAG, "Transport successfully selected: " + transport.flattenToShortString());
+                try {
+                    listener.onSuccess(transportName);
+                } catch (RemoteException e) {
+                    // Nothing to do here.
+                }
+            }
+
+            @Override
+            public void onFailure(int reason) {
+                Slog.v(TAG, "Failed to select transport: " + transport.flattenToShortString());
+                try {
+                    listener.onFailure(reason);
+                } catch (RemoteException e) {
+                    // Nothing to do here.
+                }
+            }
+        });
+
+        Binder.restoreCallingIdentity(oldId);
+    }
+
     // Supply the configuration Intent for the given transport.  If the name is not one
     // of the available transports, or if the transport does not supply any configuration
     // UI, the method returns null.
@@ -9834,18 +9640,16 @@
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
                 "getConfigurationIntent");
 
-        synchronized (mTransports) {
-            final IBackupTransport transport = mTransports.get(transportName);
-            if (transport != null) {
-                try {
-                    final Intent intent = transport.configurationIntent();
-                    if (MORE_DEBUG) Slog.d(TAG, "getConfigurationIntent() returning config intent "
-                            + intent);
-                    return intent;
-                } catch (Exception e) {
-                    /* fall through to return null */
-                    Slog.e(TAG, "Unable to get configuration intent from transport: " + e.getMessage());
-                }
+        final IBackupTransport transport = mTransportManager.getTransportBinder(transportName);
+        if (transport != null) {
+            try {
+                final Intent intent = transport.configurationIntent();
+                if (MORE_DEBUG) Slog.d(TAG, "getConfigurationIntent() returning config intent "
+                        + intent);
+                return intent;
+            } catch (Exception e) {
+                /* fall through to return null */
+                Slog.e(TAG, "Unable to get configuration intent from transport: " + e.getMessage());
             }
         }
 
@@ -9861,17 +9665,15 @@
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
                 "getDestinationString");
 
-        synchronized (mTransports) {
-            final IBackupTransport transport = mTransports.get(transportName);
-            if (transport != null) {
-                try {
-                    final String text = transport.currentDestinationString();
-                    if (MORE_DEBUG) Slog.d(TAG, "getDestinationString() returning " + text);
-                    return text;
-                } catch (Exception e) {
-                    /* fall through to return null */
-                    Slog.e(TAG, "Unable to get string from transport: " + e.getMessage());
-                }
+        final IBackupTransport transport = mTransportManager.getTransportBinder(transportName);
+        if (transport != null) {
+            try {
+                final String text = transport.currentDestinationString();
+                if (MORE_DEBUG) Slog.d(TAG, "getDestinationString() returning " + text);
+                return text;
+            } catch (Exception e) {
+                /* fall through to return null */
+                Slog.e(TAG, "Unable to get string from transport: " + e.getMessage());
             }
         }
 
@@ -9883,18 +9685,16 @@
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
                 "getDataManagementIntent");
 
-        synchronized (mTransports) {
-            final IBackupTransport transport = mTransports.get(transportName);
-            if (transport != null) {
-                try {
-                    final Intent intent = transport.dataManagementIntent();
-                    if (MORE_DEBUG) Slog.d(TAG, "getDataManagementIntent() returning intent "
-                            + intent);
-                    return intent;
-                } catch (Exception e) {
-                    /* fall through to return null */
-                    Slog.e(TAG, "Unable to get management intent from transport: " + e.getMessage());
-                }
+        final IBackupTransport transport = mTransportManager.getTransportBinder(transportName);
+        if (transport != null) {
+            try {
+                final Intent intent = transport.dataManagementIntent();
+                if (MORE_DEBUG) Slog.d(TAG, "getDataManagementIntent() returning intent "
+                        + intent);
+                return intent;
+            } catch (Exception e) {
+                /* fall through to return null */
+                Slog.e(TAG, "Unable to get management intent from transport: " + e.getMessage());
             }
         }
 
@@ -9907,17 +9707,15 @@
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
                 "getDataManagementLabel");
 
-        synchronized (mTransports) {
-            final IBackupTransport transport = mTransports.get(transportName);
-            if (transport != null) {
-                try {
-                    final String text = transport.dataManagementLabel();
-                    if (MORE_DEBUG) Slog.d(TAG, "getDataManagementLabel() returning " + text);
-                    return text;
-                } catch (Exception e) {
-                    /* fall through to return null */
-                    Slog.e(TAG, "Unable to get management label from transport: " + e.getMessage());
-                }
+        final IBackupTransport transport = mTransportManager.getTransportBinder(transportName);
+        if (transport != null) {
+            try {
+                final String text = transport.dataManagementLabel();
+                if (MORE_DEBUG) Slog.d(TAG, "getDataManagementLabel() returning " + text);
+                return text;
+            } catch (Exception e) {
+                /* fall through to return null */
+                Slog.e(TAG, "Unable to get management label from transport: " + e.getMessage());
             }
         }
 
@@ -9979,7 +9777,7 @@
         }
 
         // Do we have a transport to fetch data for us?
-        IBackupTransport transport = getTransport(mCurrentTransport);
+        IBackupTransport transport = mTransportManager.getCurrentTransportBinder();
         if (transport == null) {
             if (DEBUG) Slog.w(TAG, "No transport");
             skip = true;
@@ -10033,7 +9831,7 @@
 
         boolean needPermission = true;
         if (transport == null) {
-            transport = mCurrentTransport;
+            transport = mTransportManager.getCurrentTransportName();
 
             if (packageName != null) {
                 PackageInfo app = null;
@@ -10127,7 +9925,7 @@
                     appIsStopped(packageInfo.applicationInfo)) {
                 return false;
             }
-            IBackupTransport transport = getTransport(mCurrentTransport);
+            IBackupTransport transport = mTransportManager.getCurrentTransportBinder();
             if (transport != null) {
                 try {
                     return transport.isAppEligibleForBackup(packageInfo,
@@ -10156,7 +9954,7 @@
 
         ActiveRestoreSession(String packageName, String transport) {
             mPackageName = packageName;
-            mRestoreTransport = getTransport(transport);
+            mRestoreTransport = mTransportManager.getTransportBinder(transport);
         }
 
         public void markTimedOut() {
@@ -10515,7 +10313,7 @@
             pw.println("  next scheduled: " + KeyValueBackupJob.nextScheduled());
 
             pw.println("Transport whitelist:");
-            for (ComponentName transport : mTransportWhitelist) {
+            for (ComponentName transport : mTransportManager.getTransportWhitelist()) {
                 pw.print("    ");
                 pw.println(transport.flattenToShortString());
             }
@@ -10524,9 +10322,9 @@
             final String[] transports = listAllTransports();
             if (transports != null) {
                 for (String t : listAllTransports()) {
-                    pw.println((t.equals(mCurrentTransport) ? "  * " : "    ") + t);
+                    pw.println((t.equals(mTransportManager.getCurrentTransportName()) ? "  * " : "    ") + t);
                     try {
-                        IBackupTransport transport = getTransport(t);
+                        IBackupTransport transport = mTransportManager.getTransportBinder(t);
                         File dir = new File(mBaseStateDir, transport.transportDirName());
                         pw.println("       destination: " + transport.currentDestinationString());
                         pw.println("       intent: " + transport.configurationIntent());
diff --git a/services/backup/java/com/android/server/backup/Trampoline.java b/services/backup/java/com/android/server/backup/Trampoline.java
index d677f5e..a1a2c95 100644
--- a/services/backup/java/com/android/server/backup/Trampoline.java
+++ b/services/backup/java/com/android/server/backup/Trampoline.java
@@ -20,6 +20,8 @@
 import android.app.backup.IBackupObserver;
 import android.app.backup.IFullBackupRestoreObserver;
 import android.app.backup.IRestoreSession;
+import android.app.backup.ISelectBackupTransportCallback;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Binder;
@@ -275,6 +277,12 @@
     }
 
     @Override
+    public ComponentName[] listAllTransportComponents() throws RemoteException {
+        BackupManagerService svc = mService;
+        return (svc != null) ? svc.listAllTransportComponents() : null;
+    }
+
+    @Override
     public String[] getTransportWhitelist() {
         BackupManagerService svc = mService;
         return (svc != null) ? svc.getTransportWhitelist() : null;
@@ -287,6 +295,15 @@
     }
 
     @Override
+    public void selectBackupTransportAsync(ComponentName transport,
+            ISelectBackupTransportCallback listener) throws RemoteException {
+        BackupManagerService svc = mService;
+        if (svc != null) {
+            svc.selectBackupTransportAsync(transport, listener);
+        }
+    }
+
+    @Override
     public Intent getConfigurationIntent(String transport) throws RemoteException {
         BackupManagerService svc = mService;
         return (svc != null) ? svc.getConfigurationIntent(transport) : null;
diff --git a/services/backup/java/com/android/server/backup/TransportManager.java b/services/backup/java/com/android/server/backup/TransportManager.java
new file mode 100644
index 0000000..93d5a1e
--- /dev/null
+++ b/services/backup/java/com/android/server/backup/TransportManager.java
@@ -0,0 +1,410 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.server.backup;
+
+import android.app.backup.BackupManager;
+import android.app.backup.SelectBackupTransportCallback;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.util.ArrayMap;
+import android.util.EventLog;
+import android.util.Log;
+import android.util.Slog;
+
+import com.android.internal.annotations.GuardedBy;
+import com.android.internal.backup.IBackupTransport;
+import com.android.server.EventLogTags;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Handles in-memory bookkeeping of all BackupTransport objects.
+ */
+class TransportManager {
+
+    private static final String TAG = "BackupTransportManager";
+
+    private static final String SERVICE_ACTION_TRANSPORT_HOST = "android.backup.TRANSPORT_HOST";
+
+    private final Intent mTransportServiceIntent = new Intent(SERVICE_ACTION_TRANSPORT_HOST);
+    private final Context mContext;
+    private final PackageManager mPackageManager;
+    private final Set<ComponentName> mTransportWhitelist;
+
+    /**
+     * This listener is called after we bind to any transport. If it returns true, this is a valid
+     * transport.
+     */
+    private final TransportBoundListener mTransportBoundListener;
+
+    private String mCurrentTransportName;
+
+    /** Lock on this before accessing mValidTransports and mBoundTransports. */
+    private final Object mTransportLock = new Object();
+
+    /**
+     * We have detected these transports on the device. Unless in exceptional cases, we are also
+     * bound to all of these.
+     */
+    @GuardedBy("mTransportLock")
+    private final Map<ComponentName, TransportConnection> mValidTransports = new ArrayMap<>();
+
+    /** We are currently bound to these transports. */
+    @GuardedBy("mTransportLock")
+    private final Map<String, ComponentName> mBoundTransports = new ArrayMap<>();
+
+    TransportManager(Context context, Set<ComponentName> whitelist, String defaultTransport,
+            TransportBoundListener listener) {
+        mContext = context;
+        mPackageManager = context.getPackageManager();
+        mTransportWhitelist = whitelist;
+        mCurrentTransportName = defaultTransport;
+        mTransportBoundListener = listener;
+    }
+
+    void onPackageAdded(String packageName) {
+        // New package added. Bind to all transports it contains.
+        synchronized (mTransportLock) {
+            log_verbose("Package added. Binding to all transports. " + packageName);
+            bindToAllInternal(packageName, null /* all components */);
+        }
+    }
+
+    void onPackageRemoved(String packageName) {
+        // Package removed. Remove all its transports from our list. These transports have already
+        // been removed from mBoundTransports because onServiceDisconnected would already been
+        // called on TransportConnection objects.
+        synchronized (mTransportLock) {
+            for (ComponentName transport : mValidTransports.keySet()) {
+                if (transport.getPackageName().equals(packageName)) {
+                    TransportConnection removed = mValidTransports.remove(transport);
+                    if (removed != null) {
+                        mContext.unbindService(removed);
+                        log_verbose("Package removed, Removing transport: " +
+                                transport.flattenToShortString());
+                    }
+                }
+            }
+        }
+    }
+
+    void onPackageChanged(String packageName, String[] components) {
+        synchronized (mTransportLock) {
+            // Remove all changed components from mValidTransports. We'll bind to them again
+            // and re-add them if still valid.
+            for (String component : components) {
+                ComponentName componentName = new ComponentName(packageName, component);
+                TransportConnection removed = mValidTransports.remove(componentName);
+                if (removed != null) {
+                    mContext.unbindService(removed);
+                    log_verbose("Package changed. Removing transport: " +
+                            componentName.flattenToShortString());
+                }
+            }
+            bindToAllInternal(packageName, components);
+        }
+    }
+
+    IBackupTransport getTransportBinder(String transportName) {
+        synchronized (mTransportLock) {
+            ComponentName component = mBoundTransports.get(transportName);
+            if (component == null) {
+                Slog.w(TAG, "Transport " + transportName + " not bound.");
+                return null;
+            }
+            TransportConnection conn = mValidTransports.get(component);
+            if (conn == null) {
+                Slog.w(TAG, "Transport " + transportName + " not valid.");
+                return null;
+            }
+            return conn.getBinder();
+        }
+    }
+
+    IBackupTransport getCurrentTransportBinder() {
+        return getTransportBinder(mCurrentTransportName);
+    }
+
+    String getTransportName(IBackupTransport binder) {
+        synchronized (mTransportLock) {
+            for (TransportConnection conn : mValidTransports.values()) {
+                if (conn.getBinder() == binder) {
+                    return conn.getName();
+                }
+            }
+        }
+        return null;
+    }
+
+    String[] getBoundTransportNames() {
+        synchronized (mTransportLock) {
+            return mBoundTransports.keySet().toArray(new String[0]);
+        }
+    }
+
+    ComponentName[] getAllTransportCompenents() {
+        synchronized (mTransportLock) {
+            return mValidTransports.keySet().toArray(new ComponentName[0]);
+        }
+    }
+
+    String getCurrentTransportName() {
+        return mCurrentTransportName;
+    }
+
+    Set<ComponentName> getTransportWhitelist() {
+        return mTransportWhitelist;
+    }
+
+    String selectTransport(String transport) {
+        synchronized (mTransportLock) {
+            String prevTransport = mCurrentTransportName;
+            mCurrentTransportName = transport;
+            return prevTransport;
+        }
+    }
+
+    void ensureTransportReady(ComponentName transportComponent, SelectBackupTransportCallback listener) {
+        synchronized (mTransportLock) {
+            TransportConnection conn = mValidTransports.get(transportComponent);
+            if (conn == null) {
+                listener.onFailure(BackupManager.ERROR_TRANSPORT_UNAVAILABLE);
+                return;
+            }
+            // Transport can be unbound if the process hosting it crashed.
+            conn.bindIfUnbound();
+            conn.addListener(listener);
+        }
+    }
+
+    void registerAllTransports() {
+        bindToAllInternal(null /* all packages */, null /* all components */);
+    }
+
+    /**
+     * Bind to all transports belonging to the given package and the given component list.
+     * null acts a wildcard.
+     *
+     * If packageName is null, bind to all transports in all packages.
+     * If components is null, bind to all transports in the given package.
+     */
+    private void bindToAllInternal(String packageName, String[] components) {
+        PackageInfo pkgInfo = null;
+        if (packageName != null) {
+            try {
+                pkgInfo = mPackageManager.getPackageInfo(packageName, 0);
+            } catch (PackageManager.NameNotFoundException e) {
+                Slog.w(TAG, "Package not found: " + packageName);
+                return;
+            }
+        }
+
+        Intent intent = new Intent(mTransportServiceIntent);
+        if (packageName != null) {
+            intent.setPackage(packageName);
+        }
+
+        List<ResolveInfo> hosts = mPackageManager.queryIntentServicesAsUser(
+                intent, 0, UserHandle.USER_SYSTEM);
+        if (hosts != null) {
+            for (ResolveInfo host : hosts) {
+                final ServiceInfo info = host.serviceInfo;
+                boolean shouldBind = false;
+                if (components != null && packageName != null) {
+                    for (String component : components) {
+                        ComponentName cn = new ComponentName(pkgInfo.packageName, component);
+                        if (info.getComponentName().equals(cn)) {
+                            shouldBind = true;
+                            break;
+                        }
+                    }
+                } else {
+                    shouldBind = true;
+                }
+                if (shouldBind && isTransportTrusted(info.getComponentName())) {
+                    tryBindTransport(info);
+                }
+            }
+        }
+    }
+
+    /** Transport has to be whitelisted and privileged. */
+    private boolean isTransportTrusted(ComponentName transport) {
+        if (!mTransportWhitelist.contains(transport)) {
+            Slog.w(TAG, "BackupTransport " + transport.flattenToShortString() +
+                    " not whitelisted.");
+            return false;
+        }
+        try {
+            PackageInfo packInfo = mPackageManager.getPackageInfo(transport.getPackageName(), 0);
+            if ((packInfo.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED)
+                    == 0) {
+                Slog.w(TAG, "Transport package " + transport.getPackageName() + " not privileged");
+                return false;
+            }
+        } catch (PackageManager.NameNotFoundException e) {
+            Slog.w(TAG, "Package not found.", e);
+            return false;
+        }
+        return true;
+    }
+
+    private void tryBindTransport(ServiceInfo transport) {
+        Slog.d(TAG, "Binding to transport: " + transport.getComponentName().flattenToShortString());
+        // TODO: b/22388012 (Multi user backup and restore)
+        TransportConnection connection = new TransportConnection(transport.getComponentName());
+        if (bindToTransport(transport.getComponentName(), connection)) {
+            synchronized (mTransportLock) {
+                mValidTransports.put(transport.getComponentName(), connection);
+            }
+        } else {
+            Slog.w(TAG, "Couldn't bind to transport " + transport.getComponentName());
+        }
+    }
+
+    private boolean bindToTransport(ComponentName componentName, ServiceConnection connection) {
+        Intent intent = new Intent(mTransportServiceIntent)
+                .setComponent(componentName);
+        return mContext.bindServiceAsUser(intent, connection, Context.BIND_AUTO_CREATE,
+                UserHandle.SYSTEM);
+    }
+
+    private class TransportConnection implements ServiceConnection {
+
+        // Hold mTransportsLock to access these fields so as to provide a consistent view of them.
+        private IBackupTransport mBinder;
+        private final List<SelectBackupTransportCallback> mListeners = new ArrayList<>();
+        private String mTransportName;
+
+        private final ComponentName mTransportComponent;
+
+        private TransportConnection(ComponentName transportComponent) {
+            mTransportComponent = transportComponent;
+        }
+
+        @Override
+        public void onServiceConnected(ComponentName component, IBinder binder) {
+            synchronized (mTransportLock) {
+                mBinder = IBackupTransport.Stub.asInterface(binder);
+                boolean success = false;
+
+                EventLog.writeEvent(EventLogTags.BACKUP_TRANSPORT_LIFECYCLE,
+                    component.flattenToShortString(), 1);
+
+                try {
+                    mTransportName = mBinder.name();
+                    // BackupManager requests some fields from the transport. If they are
+                    // invalid, throw away this transport.
+                    success = mTransportBoundListener.onTransportBound(mBinder);
+                } catch (RemoteException e) {
+                    success = false;
+                    Slog.e(TAG, "Couldn't get transport name.", e);
+                } finally {
+                    if (success) {
+                        Slog.d(TAG, "Bound to transport: " + component.flattenToShortString());
+                        mBoundTransports.put(mTransportName, component);
+                        for (SelectBackupTransportCallback listener : mListeners) {
+                            listener.onSuccess(mTransportName);
+                        }
+                    } else {
+                        Slog.w(TAG, "Bound to transport " + component.flattenToShortString() +
+                                " but it is invalid");
+                        EventLog.writeEvent(EventLogTags.BACKUP_TRANSPORT_LIFECYCLE,
+                                component.flattenToShortString(), 0);
+                        mContext.unbindService(this);
+                        mValidTransports.remove(component);
+                        mBinder = null;
+                        for (SelectBackupTransportCallback listener : mListeners) {
+                            listener.onFailure(BackupManager.ERROR_TRANSPORT_INVALID);
+                        }
+                    }
+                    mListeners.clear();
+                }
+            }
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName component) {
+            synchronized (mTransportLock) {
+                mBinder = null;
+                mBoundTransports.remove(mTransportName);
+            }
+            EventLog.writeEvent(EventLogTags.BACKUP_TRANSPORT_LIFECYCLE,
+                    component.flattenToShortString(), 0);
+            Slog.w(TAG, "Disconnected from transport " + component.flattenToShortString());
+        }
+
+        private IBackupTransport getBinder() {
+            synchronized (mTransportLock) {
+                return mBinder;
+            }
+        }
+
+        private String getName() {
+            synchronized (mTransportLock) {
+                return mTransportName;
+            }
+        }
+
+        private void bindIfUnbound() {
+            synchronized (mTransportLock) {
+                if (mBinder == null) {
+                    Slog.d(TAG,
+                            "Rebinding to transport " + mTransportComponent.flattenToShortString());
+                    bindToTransport(mTransportComponent, this);
+                }
+            }
+        }
+
+        private void addListener(SelectBackupTransportCallback listener) {
+            synchronized (mTransportLock) {
+                if (mBinder == null) {
+                    // We are waiting for bind to complete. If mBinder is set to null after the bind
+                    // is complete due to transport being invalid, we won't find 'this' connection
+                    // object in mValidTransports list and this function can't be called.
+                    mListeners.add(listener);
+                } else {
+                    listener.onSuccess(mTransportName);
+                }
+            }
+        }
+    }
+
+    interface TransportBoundListener {
+        /** Should return true if this is a valid transport. */
+        boolean onTransportBound(IBackupTransport binder);
+    }
+
+    private static void log_verbose(String message) {
+        if (Log.isLoggable(TAG, Log.VERBOSE)) {
+            Slog.v(TAG, message);
+        }
+    }
+}
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index e7e07fe..f6fbaf9 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -9341,7 +9341,7 @@
         if (tr.mBounds != null) {
             rti.bounds = new Rect(tr.mBounds);
         }
-        rti.isDockable = tr.canGoInDockedStack();
+        rti.supportsSplitScreenMultiWindow = tr.supportsSplitScreen();
         rti.resizeMode = tr.mResizeMode;
 
         ActivityRecord base = null;
@@ -13404,13 +13404,12 @@
             if (supportsMultiWindow || forceResizable) {
                 mSupportsMultiWindow = true;
                 mSupportsFreeformWindowManagement = freeformWindowManagement || forceResizable;
-                mSupportsPictureInPicture = supportsPictureInPicture || forceResizable;
             } else {
                 mSupportsMultiWindow = false;
                 mSupportsFreeformWindowManagement = false;
-                mSupportsPictureInPicture = false;
             }
             mSupportsSplitScreenMultiWindow = supportsSplitScreenMultiWindow;
+            mSupportsPictureInPicture = supportsPictureInPicture;
             mWindowManager.setForceResizableTasks(mForceResizableActivities);
             mWindowManager.setSupportsPictureInPicture(mSupportsPictureInPicture);
             // This happens before any activities are started, so we can change global configuration
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index 3bd44f5..2a849b6 100644
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -39,7 +39,6 @@
 import static android.content.pm.ActivityInfo.LAUNCH_SINGLE_TOP;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZEABLE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;
-import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_AND_PIPABLE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_UNRESIZEABLE;
 import static android.os.Build.VERSION_CODES.HONEYCOMB;
@@ -66,7 +65,6 @@
 import android.annotation.NonNull;
 import android.app.ActivityManager.TaskDescription;
 import android.app.ActivityOptions;
-import android.app.AppOpsManager;
 import android.app.PendingIntent;
 import android.app.PictureInPictureArgs;
 import android.app.ResultInfo;
@@ -78,7 +76,6 @@
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Rect;
-import android.os.Binder;
 import android.os.Bundle;
 import android.os.Debug;
 import android.os.IBinder;
@@ -454,6 +451,7 @@
         }
         if (info != null) {
             pw.println(prefix + "resizeMode=" + ActivityInfo.resizeModeToString(info.resizeMode));
+            pw.println(prefix + "supportsPictureInPicture=" + info.supportsPictureInPicture());
         }
         pw.println(prefix + "supportsPictureInPictureWhilePausing: "
                 + supportsPictureInPictureWhilePausing);
@@ -879,24 +877,50 @@
     }
 
     boolean isResizeable() {
-        return ActivityInfo.isResizeableMode(info.resizeMode);
+        return ActivityInfo.isResizeableMode(info.resizeMode) || info.supportsPictureInPicture();
     }
 
-    boolean isResizeableOrForced() {
-        return !isHomeActivity() && (isResizeable() || service.mForceResizableActivities);
-    }
-
-    boolean isNonResizableOrForced() {
+    /**
+     * @return whether this activity is non-resizeable or forced to be resizeable
+     */
+    boolean isNonResizableOrForcedResizable() {
         return info.resizeMode != RESIZE_MODE_RESIZEABLE
-                && info.resizeMode != RESIZE_MODE_RESIZEABLE_AND_PIPABLE
                 && info.resizeMode != RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION;
     }
 
     /**
-     * @return whether this activity's resize mode supports PIP.
+     * @return whether this activity supports PiP multi-window and can be put in the pinned stack.
      */
     boolean supportsPictureInPicture() {
-        return !isHomeActivity() && info.resizeMode == RESIZE_MODE_RESIZEABLE_AND_PIPABLE;
+        return service.mSupportsPictureInPicture && !isHomeActivity()
+                && info.supportsPictureInPicture();
+    }
+
+    /**
+     * @return whether this activity supports split-screen multi-window and can be put in the docked
+     *         stack.
+     */
+    boolean supportsSplitScreen() {
+        // An activity can not be docked even if it is considered resizeable because it only
+        // supports picture-in-picture mode but has a non-resizeable resizeMode
+        return service.mSupportsSplitScreenMultiWindow && supportsResizeableMultiWindow();
+    }
+
+    /**
+     * @return whether this activity supports freeform multi-window and can be put in the freeform
+     *         stack.
+     */
+    boolean supportsFreeform() {
+        return service.mSupportsFreeformWindowManagement && supportsResizeableMultiWindow();
+    }
+
+    /**
+     * @return whether this activity supports non-PiP multi-window.
+     */
+    private boolean supportsResizeableMultiWindow() {
+        return service.mSupportsMultiWindow && !isHomeActivity()
+                && (ActivityInfo.isResizeableMode(info.resizeMode)
+                        || service.mForceResizableActivities);
     }
 
     /**
@@ -945,10 +969,6 @@
         return false;
     }
 
-    boolean canGoInDockedStack() {
-        return !isHomeActivity() && isResizeableOrForced();
-    }
-
     boolean isAlwaysFocusable() {
         return (info.flags & FLAG_ALWAYS_FOCUSABLE) != 0;
     }
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 963a9dc..7bfea9a 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -62,7 +62,6 @@
 import static com.android.server.am.ActivityRecord.APPLICATION_ACTIVITY_TYPE;
 import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE;
 import static com.android.server.am.ActivityStackSupervisor.FindTaskResult;
-import static com.android.server.am.ActivityStackSupervisor.ON_TOP;
 import static com.android.server.am.ActivityStackSupervisor.PRESERVE_WINDOWS;
 import static com.android.server.wm.AppTransition.TRANSIT_ACTIVITY_CLOSE;
 import static com.android.server.wm.AppTransition.TRANSIT_ACTIVITY_OPEN;
@@ -73,7 +72,6 @@
 import static com.android.server.wm.AppTransition.TRANSIT_TASK_TO_BACK;
 import static com.android.server.wm.AppTransition.TRANSIT_TASK_TO_FRONT;
 import static java.lang.Integer.MAX_VALUE;
-import static java.lang.Integer.MIN_VALUE;
 
 import android.app.Activity;
 import android.app.ActivityManager;
@@ -1545,7 +1543,7 @@
             // home task even though it's not resizable.
             final ActivityRecord r = focusedStack.topRunningActivityLocked();
             final TaskRecord task = r != null ? r.task : null;
-            return task == null || task.canGoInDockedStack() || task.isHomeTask() ? STACK_VISIBLE
+            return task == null || task.supportsSplitScreen() || task.isHomeTask() ? STACK_VISIBLE
                     : STACK_INVISIBLE;
         }
 
@@ -4665,7 +4663,7 @@
             }
             ci.numActivities = numActivities;
             ci.numRunning = numRunning;
-            ci.isDockable = task.canGoInDockedStack();
+            ci.supportsSplitScreenMultiWindow = task.supportsSplitScreen();
             ci.resizeMode = task.mResizeMode;
             list.add(ci);
         }
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 2c1c3a1..24ff1d7 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -90,7 +90,6 @@
 import static com.android.server.am.TaskRecord.LOCK_TASK_AUTH_WHITELISTED;
 import static com.android.server.wm.AppTransition.TRANSIT_DOCK_TASK_FROM_RECENTS;
 import static java.lang.Integer.MAX_VALUE;
-import static java.lang.Integer.MIN_VALUE;
 
 import android.Manifest;
 import android.annotation.NonNull;
@@ -2576,7 +2575,7 @@
             // This means that tasks that were on external displays will be restored on the
             // primary display.
             stackId = task.getLaunchStackId();
-        } else if (stackId == DOCKED_STACK_ID && !task.canGoInDockedStack()) {
+        } else if (stackId == DOCKED_STACK_ID && !task.supportsSplitScreen()) {
             // Preferred stack is the docked stack, but the task can't go in the docked stack.
             // Put it in the fullscreen stack.
             stackId = FULLSCREEN_WORKSPACE_STACK_ID;
@@ -3895,14 +3894,14 @@
         }
 
         final ActivityRecord topActivity = task.getTopActivity();
-        if (!task.canGoInDockedStack() || forceNonResizable) {
+        if (!task.supportsSplitScreen() || forceNonResizable) {
             // Display a warning toast that we tried to put a non-dockable task in the docked stack.
             mService.mTaskChangeNotificationController.notifyActivityDismissingDockedStack();
 
             // Dismiss docked stack. If task appeared to be in docked stack but is not resizable -
             // we need to move it to top of fullscreen stack, otherwise it will be covered.
             moveTasksToFullscreenStackLocked(DOCKED_STACK_ID, actualStackId == DOCKED_STACK_ID);
-        } else if (topActivity != null && topActivity.isNonResizableOrForced()
+        } else if (topActivity != null && topActivity.isNonResizableOrForcedResizable()
                 && !topActivity.noDisplay) {
             String packageName = topActivity.appInfo.packageName;
             mService.mTaskChangeNotificationController.notifyActivityForcedResizable(
diff --git a/services/core/java/com/android/server/am/ActivityStarter.java b/services/core/java/com/android/server/am/ActivityStarter.java
index 873f2b7..8d32778 100644
--- a/services/core/java/com/android/server/am/ActivityStarter.java
+++ b/services/core/java/com/android/server/am/ActivityStarter.java
@@ -1967,10 +1967,10 @@
                 canUseFocusedStack = true;
                 break;
             case DOCKED_STACK_ID:
-                canUseFocusedStack = r.canGoInDockedStack();
+                canUseFocusedStack = r.supportsSplitScreen();
                 break;
             case FREEFORM_WORKSPACE_STACK_ID:
-                canUseFocusedStack = r.isResizeableOrForced();
+                canUseFocusedStack = r.supportsFreeform();
                 break;
             default:
                 canUseFocusedStack = isDynamicStack(focusedStackId)
@@ -2057,29 +2057,24 @@
     }
 
     boolean isValidLaunchStackId(int stackId, ActivityRecord r) {
-        if (stackId == INVALID_STACK_ID || stackId == HOME_STACK_ID) {
-            return false;
+        switch (stackId) {
+            case INVALID_STACK_ID:
+            case HOME_STACK_ID:
+                return false;
+            case FULLSCREEN_WORKSPACE_STACK_ID:
+                return true;
+            case FREEFORM_WORKSPACE_STACK_ID:
+                return r.supportsFreeform();
+            case DOCKED_STACK_ID:
+                return r.supportsSplitScreen();
+            case PINNED_STACK_ID:
+                return r.supportsPictureInPicture();
+            case RECENTS_STACK_ID:
+                return r.isRecentsActivity();
+            default:
+                Slog.e(TAG, "isValidLaunchStackId: Unexpected stackId=" + stackId);
+                return false;
         }
-
-        if (stackId != FULLSCREEN_WORKSPACE_STACK_ID
-                && (!mService.mSupportsMultiWindow || !r.isResizeableOrForced())) {
-            return false;
-        }
-
-        if (stackId == DOCKED_STACK_ID && r.canGoInDockedStack()) {
-            return true;
-        }
-
-        if (stackId == FREEFORM_WORKSPACE_STACK_ID && !mService.mSupportsFreeformWindowManagement) {
-            return false;
-        }
-
-        final boolean supportsPip = mService.mSupportsPictureInPicture
-                && (r.supportsPictureInPicture() || mService.mForceResizableActivities);
-        if (stackId == PINNED_STACK_ID && !supportsPip) {
-            return false;
-        }
-        return true;
     }
 
     Rect getOverrideBounds(ActivityRecord r, ActivityOptions options, TaskRecord inTask) {
diff --git a/services/core/java/com/android/server/am/TaskRecord.java b/services/core/java/com/android/server/am/TaskRecord.java
index 7b4d289..2373ea8 100644
--- a/services/core/java/com/android/server/am/TaskRecord.java
+++ b/services/core/java/com/android/server/am/TaskRecord.java
@@ -85,6 +85,7 @@
 import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZABLE_PRESERVE_ORIENTATION;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_FORCE_RESIZEABLE;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE;
+import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_AND_PIPABLE_DEPRECATED;
 import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION;
 import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
 import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
@@ -141,6 +142,7 @@
     private static final String ATTR_TASK_AFFILIATION_COLOR = "task_affiliation_color";
     private static final String ATTR_CALLING_UID = "calling_uid";
     private static final String ATTR_CALLING_PACKAGE = "calling_package";
+    private static final String ATTR_SUPPORTS_PICTURE_IN_PICTURE = "supports_picture_in_picture";
     private static final String ATTR_RESIZE_MODE = "resize_mode";
     private static final String ATTR_PRIVILEGED = "privileged";
     private static final String ATTR_NON_FULLSCREEN_BOUNDS = "non_fullscreen_bounds";
@@ -188,6 +190,9 @@
 
     int mResizeMode;        // The resize mode of this task and its activities.
                             // Based on the {@link ActivityInfo#resizeMode} of the root activity.
+    boolean mSupportsPictureInPicture;  // Whether or not this task and its activities support PiP.
+            // Based on the {@link ActivityInfo#FLAG_SUPPORTS_PICTURE_IN_PICTURE} flag of the root
+            // activity.
     boolean mTemporarilyUnresizable; // Separate flag from mResizeMode used to suppress resize
                                      // changes on a temporary basis.
     private int mLockTaskMode;  // Which tasklock mode to launch this task in. One of
@@ -356,8 +361,9 @@
             boolean neverRelinquishIdentity, TaskDescription _lastTaskDescription,
             TaskThumbnailInfo lastThumbnailInfo, int taskAffiliation, int prevTaskId,
             int nextTaskId, int taskAffiliationColor, int callingUid, String callingPackage,
-            int resizeMode, boolean privileged, boolean _realActivitySuspended,
-            boolean userSetupComplete, int minWidth, int minHeight) {
+            int resizeMode, boolean supportsPictureInPicture, boolean privileged,
+            boolean _realActivitySuspended, boolean userSetupComplete, int minWidth,
+            int minHeight) {
         mService = service;
         mFilename = String.valueOf(_taskId) + TASK_THUMBNAIL_SUFFIX +
                 TaskPersister.IMAGE_EXTENSION;
@@ -396,6 +402,7 @@
         mCallingUid = callingUid;
         mCallingPackage = callingPackage;
         mResizeMode = resizeMode;
+        mSupportsPictureInPicture = supportsPictureInPicture;
         mPrivileged = privileged;
         mMinWidth = minWidth;
         mMinHeight = minHeight;
@@ -415,8 +422,8 @@
         final Rect bounds = updateOverrideConfigurationFromLaunchBounds();
         final Configuration overrideConfig = getOverrideConfiguration();
         mWindowContainerController = new TaskWindowContainerController(taskId, this, getStackId(),
-                userId, bounds, overrideConfig, mResizeMode, isHomeTask(), isOnTopLauncher(), onTop,
-                showForAllUsers, lastTaskDescription);
+                userId, bounds, overrideConfig, mResizeMode, mSupportsPictureInPicture,
+                isHomeTask(), isOnTopLauncher(), onTop, showForAllUsers, lastTaskDescription);
     }
 
     void removeWindowContainer() {
@@ -691,6 +698,7 @@
             autoRemoveRecents = false;
         }
         mResizeMode = info.resizeMode;
+        mSupportsPictureInPicture = info.supportsPictureInPicture();
         mIsOnTopLauncher = (info.flags & FLAG_ON_TOP_LAUNCHER) != 0;
         mLockTaskMode = info.lockTaskLaunchMode;
         mPrivileged = (info.applicationInfo.privateFlags & PRIVATE_FLAG_PRIVILEGED) != 0;
@@ -1301,9 +1309,21 @@
         return mTaskToReturnTo == HOME_ACTIVITY_TYPE;
     }
 
+    private boolean isResizeable(boolean checkSupportsPip) {
+        return (mService.mForceResizableActivities || ActivityInfo.isResizeableMode(mResizeMode)
+                || (checkSupportsPip && mSupportsPictureInPicture)) && !mTemporarilyUnresizable;
+    }
+
     boolean isResizeable() {
-        return (mService.mForceResizableActivities || ActivityInfo.isResizeableMode(mResizeMode))
-                && !mTemporarilyUnresizable;
+        return isResizeable(true /* checkSupportsPip */);
+    }
+
+    boolean supportsSplitScreen() {
+        // A task can not be docked even if it is considered resizeable because it only supports
+        // picture-in-picture mode but has a non-resizeable resizeMode
+        return mService.mSupportsSplitScreenMultiWindow
+                && isResizeable(false /* checkSupportsPip */)
+                && !ActivityInfo.isPreserveOrientationMode(mResizeMode);
     }
 
     /**
@@ -1329,11 +1349,6 @@
         return isHomeTask() && mIsOnTopLauncher;
     }
 
-    boolean canGoInDockedStack() {
-        return isResizeable() && mService.mSupportsSplitScreenMultiWindow &&
-                !ActivityInfo.isPreserveOrientationMode(mResizeMode);
-    }
-
     /**
      * Find the activity in the history stack within the given task.  Returns
      * the index within the history at which it's found, or < 0 if not found.
@@ -1482,6 +1497,8 @@
         out.attribute(null, ATTR_CALLING_UID, String.valueOf(mCallingUid));
         out.attribute(null, ATTR_CALLING_PACKAGE, mCallingPackage == null ? "" : mCallingPackage);
         out.attribute(null, ATTR_RESIZE_MODE, String.valueOf(mResizeMode));
+        out.attribute(null, ATTR_SUPPORTS_PICTURE_IN_PICTURE,
+                String.valueOf(mSupportsPictureInPicture));
         out.attribute(null, ATTR_PRIVILEGED, String.valueOf(mPrivileged));
         if (mLastNonFullscreenBounds != null) {
             out.attribute(
@@ -1552,6 +1569,7 @@
         int callingUid = -1;
         String callingPackage = "";
         int resizeMode = RESIZE_MODE_FORCE_RESIZEABLE;
+        boolean supportsPictureInPicture = false;
         boolean privileged = false;
         Rect bounds = null;
         int minWidth = INVALID_MIN_SIZE;
@@ -1618,6 +1636,8 @@
                 callingPackage = attrValue;
             } else if (ATTR_RESIZE_MODE.equals(attrName)) {
                 resizeMode = Integer.parseInt(attrValue);
+            } else if (ATTR_SUPPORTS_PICTURE_IN_PICTURE.equals(attrName)) {
+                supportsPictureInPicture = Boolean.parseBoolean(attrValue);
             } else if (ATTR_PRIVILEGED.equals(attrName)) {
                 privileged = Boolean.parseBoolean(attrValue);
             } else if (ATTR_NON_FULLSCREEN_BOUNDS.equals(attrName)) {
@@ -1690,6 +1710,15 @@
             if (taskType == HOME_ACTIVITY_TYPE && resizeMode == RESIZE_MODE_RESIZEABLE) {
                 resizeMode = RESIZE_MODE_RESIZEABLE_VIA_SDK_VERSION;
             }
+        } else {
+            // This activity has previously marked itself explicitly as both resizeable and
+            // supporting picture-in-picture.  Since there is no longer a requirement for
+            // picture-in-picture activities to be resizeable, we can mark this simply as
+            // resizeable and supporting picture-in-picture separately.
+            if (resizeMode == RESIZE_MODE_RESIZEABLE_AND_PIPABLE_DEPRECATED) {
+                resizeMode = RESIZE_MODE_RESIZEABLE;
+                supportsPictureInPicture = true;
+            }
         }
 
         final TaskRecord task = new TaskRecord(stackSupervisor.mService, taskId, intent,
@@ -1697,8 +1726,9 @@
                 autoRemoveRecents, askedCompatMode, taskType, userId, effectiveUid, lastDescription,
                 activities, firstActiveTime, lastActiveTime, lastTimeOnTop, neverRelinquishIdentity,
                 taskDescription, thumbnailInfo, taskAffiliation, prevTaskId, nextTaskId,
-                taskAffiliationColor, callingUid, callingPackage, resizeMode, privileged,
-                realActivitySuspended, userSetupComplete, minWidth, minHeight);
+                taskAffiliationColor, callingUid, callingPackage, resizeMode,
+                supportsPictureInPicture, privileged, realActivitySuspended, userSetupComplete,
+                minWidth, minHeight);
         task.updateOverrideConfiguration(bounds);
 
         for (int activityNdx = activities.size() - 1; activityNdx >=0; --activityNdx) {
@@ -2084,6 +2114,7 @@
         pw.print(prefix); pw.print("stackId="); pw.println(getStackId());
         pw.print(prefix + "hasBeenVisible=" + hasBeenVisible);
                 pw.print(" mResizeMode=" + ActivityInfo.resizeModeToString(mResizeMode));
+                pw.print(" mSupportsPictureInPicture=" + mSupportsPictureInPicture);
                 pw.print(" isResizeable=" + isResizeable());
                 pw.print(" firstActiveTime=" + lastActiveTime);
                 pw.print(" lastActiveTime=" + lastActiveTime);
diff --git a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
index aa421b1..49b96b0 100644
--- a/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
+++ b/services/core/java/com/android/server/pm/PackageManagerShellCommand.java
@@ -587,6 +587,7 @@
         boolean listSystem = false, listThirdParty = false;
         boolean listInstaller = false;
         boolean showUid = false;
+        boolean showVersionCode = false;
         int uid = -1;
         int userId = UserHandle.USER_SYSTEM;
         try {
@@ -620,6 +621,9 @@
                     case "-3":
                         listThirdParty = true;
                         break;
+                    case "--show-versioncode":
+                        showVersionCode = true;
+                        break;
                     case "--user":
                         userId = UserHandle.parseUserArg(getNextArgRequired());
                         break;
@@ -664,8 +668,11 @@
                     pw.print(info.applicationInfo.sourceDir);
                     pw.print("=");
                 }
-                pw.print(info.packageName); pw.print( " versionCode:"
-                        + info.applicationInfo.versionCode);
+                pw.print(info.packageName);
+                if (showVersionCode) {
+                    pw.print(" versionCode:");
+                    pw.print(info.applicationInfo.versionCode);
+                }
                 if (listInstaller) {
                     pw.print("  installer=");
                     pw.print(mInterface.getInstallerPackageName(info.packageName));
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index 3a3ec71..c5ed6ec 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -82,6 +82,10 @@
     // Resize mode of the task. See {@link ActivityInfo#resizeMode}
     private int mResizeMode;
 
+    // Whether the task supports picture-in-picture.
+    // See {@link ActivityInfo#FLAG_SUPPORTS_PICTURE_IN_PICTURE}
+    private boolean mSupportsPictureInPicture;
+
     // Whether the task is currently being drag-resized
     private boolean mDragResizing;
     private int mDragResizeMode;
@@ -94,14 +98,16 @@
     private TaskDescription mTaskDescription;
 
     Task(int taskId, TaskStack stack, int userId, WindowManagerService service, Rect bounds,
-            Configuration overrideConfig, boolean isOnTopLauncher, int resizeMode, boolean homeTask,
-            TaskDescription taskDescription, TaskWindowContainerController controller) {
+            Configuration overrideConfig, boolean isOnTopLauncher, int resizeMode,
+            boolean supportsPictureInPicture, boolean homeTask, TaskDescription taskDescription,
+            TaskWindowContainerController controller) {
         mTaskId = taskId;
         mStack = stack;
         mUserId = userId;
         mService = service;
         mIsOnTopLauncher = isOnTopLauncher;
         mResizeMode = resizeMode;
+        mSupportsPictureInPicture = supportsPictureInPicture;
         mHomeTask = homeTask;
         setController(controller);
         setBounds(bounds, overrideConfig);
@@ -327,7 +333,8 @@
     }
 
     boolean isResizeable() {
-        return ActivityInfo.isResizeableMode(mResizeMode) || mService.mForceResizableTasks;
+        return ActivityInfo.isResizeableMode(mResizeMode) || mSupportsPictureInPicture
+                || mService.mForceResizableTasks;
     }
 
     /**
diff --git a/services/core/java/com/android/server/wm/TaskWindowContainerController.java b/services/core/java/com/android/server/wm/TaskWindowContainerController.java
index 61a2cd9..fbc3389 100644
--- a/services/core/java/com/android/server/wm/TaskWindowContainerController.java
+++ b/services/core/java/com/android/server/wm/TaskWindowContainerController.java
@@ -63,8 +63,8 @@
 
     public TaskWindowContainerController(int taskId, TaskWindowContainerListener listener,
             int stackId, int userId, Rect bounds, Configuration overrideConfig, int resizeMode,
-            boolean homeTask, boolean isOnTopLauncher, boolean toTop, boolean showForAllUsers,
-            TaskDescription taskDescription) {
+            boolean supportsPictureInPicture, boolean homeTask, boolean isOnTopLauncher,
+            boolean toTop, boolean showForAllUsers, TaskDescription taskDescription) {
         super(listener, WindowManagerService.getInstance());
         mTaskId = taskId;
 
@@ -81,7 +81,7 @@
             }
             EventLog.writeEvent(WM_TASK_CREATED, taskId, stackId);
             final Task task = createTask(taskId, stack, userId, bounds, overrideConfig, resizeMode,
-                    homeTask, isOnTopLauncher, taskDescription);
+                    supportsPictureInPicture, homeTask, isOnTopLauncher, taskDescription);
             final int position = toTop ? POSITION_TOP : POSITION_BOTTOM;
             stack.addTask(task, position, showForAllUsers, true /* moveParents */);
         }
@@ -89,10 +89,10 @@
 
     @VisibleForTesting
     Task createTask(int taskId, TaskStack stack, int userId, Rect bounds,
-            Configuration overrideConfig, int resizeMode, boolean homeTask,
-            boolean isOnTopLauncher, TaskDescription taskDescription) {
+            Configuration overrideConfig, int resizeMode, boolean supportsPictureInPicture,
+            boolean homeTask, boolean isOnTopLauncher, TaskDescription taskDescription) {
         return new Task(taskId, stack, userId, mService, bounds, overrideConfig, isOnTopLauncher,
-                resizeMode, homeTask, taskDescription, this);
+                resizeMode, supportsPictureInPicture, homeTask, taskDescription, this);
     }
 
     @Override
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
index 085cfd8..186884b 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowFrameTests.java
@@ -77,7 +77,8 @@
         final Rect mInsetBounds = new Rect();
         boolean mFullscreenForTest = true;
         TaskWithBounds(Rect bounds) {
-            super(0, mStubStack, 0, sWm, null, null, false, 0, false, new TaskDescription(), null);
+            super(0, mStubStack, 0, sWm, null, null, false, 0, false, false, new TaskDescription(),
+                    null);
             mBounds = bounds;
         }
         @Override
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java b/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
index ae344dd..847f34d 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowTestsBase.java
@@ -181,7 +181,7 @@
     /**Creates a {@link Task} and adds it to the specified {@link TaskStack}. */
     static Task createTaskInStack(TaskStack stack, int userId) {
         final Task newTask = new Task(sNextTaskId++, stack, userId, sWm, null, EMPTY, false, 0,
-                false, new TaskDescription(), null);
+                false, false, new TaskDescription(), null);
         stack.addTask(newTask, POSITION_TOP);
         return newTask;
     }
@@ -238,9 +238,11 @@
 
         TestTask(int taskId, TaskStack stack, int userId, WindowManagerService service, Rect bounds,
                 Configuration overrideConfig, boolean isOnTopLauncher, int resizeMode,
-                boolean homeTask, TaskWindowContainerController controller) {
+                boolean supportsPictureInPicture, boolean homeTask,
+                TaskWindowContainerController controller) {
             super(taskId, stack, userId, service, bounds, overrideConfig, isOnTopLauncher,
-                    resizeMode, homeTask, new TaskDescription(), controller);
+                    resizeMode, supportsPictureInPicture, homeTask, new TaskDescription(),
+                            controller);
         }
 
         boolean shouldDeferRemoval() {
@@ -270,17 +272,18 @@
 
         TestTaskWindowContainerController(int stackId) {
             super(sNextTaskId++, snapshot -> {}, stackId, 0 /* userId */, null /* bounds */,
-                    EMPTY /* overrideConfig*/, RESIZE_MODE_UNRESIZEABLE, false /* homeTask*/,
+                    EMPTY /* overrideConfig*/, RESIZE_MODE_UNRESIZEABLE,
+                    false /* supportsPictureInPicture */, false /* homeTask*/,
                     false /* isOnTopLauncher */, true /* toTop*/, true /* showForAllUsers */,
                     new TaskDescription());
         }
 
         @Override
         TestTask createTask(int taskId, TaskStack stack, int userId, Rect bounds,
-                Configuration overrideConfig, int resizeMode, boolean homeTask,
-                boolean isOnTopLauncher, TaskDescription taskDescription) {
+                Configuration overrideConfig, int resizeMode, boolean supportsPictureInPicture,
+                boolean homeTask, boolean isOnTopLauncher, TaskDescription taskDescription) {
             return new TestTask(taskId, stack, userId, mService, bounds, overrideConfig,
-                    isOnTopLauncher, resizeMode, homeTask, this);
+                    isOnTopLauncher, resizeMode, supportsPictureInPicture, homeTask, this);
         }
     }