Merge "UiBench adapted for TV" into nyc-dev
diff --git a/api/current.txt b/api/current.txt
index f19ac5c..44df333 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -22997,6 +22997,7 @@
     field public static final java.lang.String ACTION_BLOCKED_RATINGS_CHANGED = "android.media.tv.action.BLOCKED_RATINGS_CHANGED";
     field public static final java.lang.String ACTION_PARENTAL_CONTROLS_ENABLED_CHANGED = "android.media.tv.action.PARENTAL_CONTROLS_ENABLED_CHANGED";
     field public static final java.lang.String ACTION_QUERY_CONTENT_RATING_SYSTEMS = "android.media.tv.action.QUERY_CONTENT_RATING_SYSTEMS";
+    field public static final java.lang.String ACTION_SETUP_INPUTS = "android.media.tv.action.SETUP_INPUTS";
     field public static final int INPUT_STATE_CONNECTED = 0; // 0x0
     field public static final int INPUT_STATE_CONNECTED_STANDBY = 1; // 0x1
     field public static final int INPUT_STATE_DISCONNECTED = 2; // 0x2
@@ -26888,6 +26889,7 @@
     method public static void glProgramBinary(int, int, java.nio.Buffer, int);
     method public static void glProgramParameteri(int, int, int);
     method public static void glReadBuffer(int);
+    method public static void glReadPixels(int, int, int, int, int, int, int);
     method public static void glRenderbufferStorageMultisample(int, int, int, int, int);
     method public static void glResumeTransformFeedback();
     method public static void glSamplerParameterf(int, int, float);
@@ -36140,6 +36142,7 @@
     method public final void conferenceRemoteConnections(android.telecom.RemoteConnection, android.telecom.RemoteConnection);
     method public final android.telecom.RemoteConnection createRemoteIncomingConnection(android.telecom.PhoneAccountHandle, android.telecom.ConnectionRequest);
     method public final android.telecom.RemoteConnection createRemoteOutgoingConnection(android.telecom.PhoneAccountHandle, android.telecom.ConnectionRequest);
+    method public final java.util.Collection<android.telecom.Conference> getAllConferences();
     method public final java.util.Collection<android.telecom.Connection> getAllConnections();
     method public final android.os.IBinder onBind(android.content.Intent);
     method public void onConference(android.telecom.Connection, android.telecom.Connection);
@@ -36508,9 +36511,11 @@
 package android.telephony {
 
   public class CarrierConfigManager {
+    method public android.os.PersistableBundle getConfig(int);
     method public android.os.PersistableBundle getConfig();
-    method public android.os.PersistableBundle getConfigForSubId(int);
-    method public void notifyConfigChangedForSubId(int);
+    method public deprecated android.os.PersistableBundle getConfigForSubId(int);
+    method public void notifyConfigChanged(int);
+    method public deprecated void notifyConfigChangedForSubId(int);
     field public static final java.lang.String ACTION_CARRIER_CONFIG_CHANGED = "android.telephony.action.CARRIER_CONFIG_CHANGED";
     field public static final java.lang.String BOOL_ALLOW_EMERGENCY_VIDEO_CALLS = "bool_allow_emergency_video_calls";
     field public static final java.lang.String BOOL_ALLOW_VIDEO_PAUSE = "bool_allow_video_pause";
diff --git a/api/system-current.txt b/api/system-current.txt
index b534b1e..79d0cd7 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -24708,6 +24708,7 @@
     field public static final java.lang.String ACTION_BLOCKED_RATINGS_CHANGED = "android.media.tv.action.BLOCKED_RATINGS_CHANGED";
     field public static final java.lang.String ACTION_PARENTAL_CONTROLS_ENABLED_CHANGED = "android.media.tv.action.PARENTAL_CONTROLS_ENABLED_CHANGED";
     field public static final java.lang.String ACTION_QUERY_CONTENT_RATING_SYSTEMS = "android.media.tv.action.QUERY_CONTENT_RATING_SYSTEMS";
+    field public static final java.lang.String ACTION_SETUP_INPUTS = "android.media.tv.action.SETUP_INPUTS";
     field public static final int INPUT_STATE_CONNECTED = 0; // 0x0
     field public static final int INPUT_STATE_CONNECTED_STANDBY = 1; // 0x1
     field public static final int INPUT_STATE_DISCONNECTED = 2; // 0x2
@@ -29188,6 +29189,7 @@
     method public static void glProgramBinary(int, int, java.nio.Buffer, int);
     method public static void glProgramParameteri(int, int, int);
     method public static void glReadBuffer(int);
+    method public static void glReadPixels(int, int, int, int, int, int, int);
     method public static void glRenderbufferStorageMultisample(int, int, int, int, int);
     method public static void glResumeTransformFeedback();
     method public static void glSamplerParameterf(int, int, float);
@@ -38771,6 +38773,7 @@
     method public final void conferenceRemoteConnections(android.telecom.RemoteConnection, android.telecom.RemoteConnection);
     method public final android.telecom.RemoteConnection createRemoteIncomingConnection(android.telecom.PhoneAccountHandle, android.telecom.ConnectionRequest);
     method public final android.telecom.RemoteConnection createRemoteOutgoingConnection(android.telecom.PhoneAccountHandle, android.telecom.ConnectionRequest);
+    method public final java.util.Collection<android.telecom.Conference> getAllConferences();
     method public final java.util.Collection<android.telecom.Connection> getAllConnections();
     method public final android.os.IBinder onBind(android.content.Intent);
     method public void onConference(android.telecom.Connection, android.telecom.Connection);
@@ -39223,10 +39226,12 @@
 package android.telephony {
 
   public class CarrierConfigManager {
+    method public android.os.PersistableBundle getConfig(int);
     method public android.os.PersistableBundle getConfig();
-    method public android.os.PersistableBundle getConfigForSubId(int);
+    method public deprecated android.os.PersistableBundle getConfigForSubId(int);
     method public static android.os.PersistableBundle getDefaultConfig();
-    method public void notifyConfigChangedForSubId(int);
+    method public void notifyConfigChanged(int);
+    method public deprecated void notifyConfigChangedForSubId(int);
     method public void updateConfigForPhoneId(int, java.lang.String);
     field public static final java.lang.String ACTION_CARRIER_CONFIG_CHANGED = "android.telephony.action.CARRIER_CONFIG_CHANGED";
     field public static final java.lang.String BOOL_ALLOW_EMERGENCY_VIDEO_CALLS = "bool_allow_emergency_video_calls";
diff --git a/api/test-current.txt b/api/test-current.txt
index 0b1c208..4b62e28 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -23006,6 +23006,7 @@
     field public static final java.lang.String ACTION_BLOCKED_RATINGS_CHANGED = "android.media.tv.action.BLOCKED_RATINGS_CHANGED";
     field public static final java.lang.String ACTION_PARENTAL_CONTROLS_ENABLED_CHANGED = "android.media.tv.action.PARENTAL_CONTROLS_ENABLED_CHANGED";
     field public static final java.lang.String ACTION_QUERY_CONTENT_RATING_SYSTEMS = "android.media.tv.action.QUERY_CONTENT_RATING_SYSTEMS";
+    field public static final java.lang.String ACTION_SETUP_INPUTS = "android.media.tv.action.SETUP_INPUTS";
     field public static final int INPUT_STATE_CONNECTED = 0; // 0x0
     field public static final int INPUT_STATE_CONNECTED_STANDBY = 1; // 0x1
     field public static final int INPUT_STATE_DISCONNECTED = 2; // 0x2
@@ -26897,6 +26898,7 @@
     method public static void glProgramBinary(int, int, java.nio.Buffer, int);
     method public static void glProgramParameteri(int, int, int);
     method public static void glReadBuffer(int);
+    method public static void glReadPixels(int, int, int, int, int, int, int);
     method public static void glRenderbufferStorageMultisample(int, int, int, int, int);
     method public static void glResumeTransformFeedback();
     method public static void glSamplerParameterf(int, int, float);
@@ -36155,6 +36157,7 @@
     method public final void conferenceRemoteConnections(android.telecom.RemoteConnection, android.telecom.RemoteConnection);
     method public final android.telecom.RemoteConnection createRemoteIncomingConnection(android.telecom.PhoneAccountHandle, android.telecom.ConnectionRequest);
     method public final android.telecom.RemoteConnection createRemoteOutgoingConnection(android.telecom.PhoneAccountHandle, android.telecom.ConnectionRequest);
+    method public final java.util.Collection<android.telecom.Conference> getAllConferences();
     method public final java.util.Collection<android.telecom.Connection> getAllConnections();
     method public final android.os.IBinder onBind(android.content.Intent);
     method public void onConference(android.telecom.Connection, android.telecom.Connection);
@@ -36523,9 +36526,11 @@
 package android.telephony {
 
   public class CarrierConfigManager {
+    method public android.os.PersistableBundle getConfig(int);
     method public android.os.PersistableBundle getConfig();
-    method public android.os.PersistableBundle getConfigForSubId(int);
-    method public void notifyConfigChangedForSubId(int);
+    method public deprecated android.os.PersistableBundle getConfigForSubId(int);
+    method public void notifyConfigChanged(int);
+    method public deprecated void notifyConfigChangedForSubId(int);
     field public static final java.lang.String ACTION_CARRIER_CONFIG_CHANGED = "android.telephony.action.CARRIER_CONFIG_CHANGED";
     field public static final java.lang.String BOOL_ALLOW_EMERGENCY_VIDEO_CALLS = "bool_allow_emergency_video_calls";
     field public static final java.lang.String BOOL_ALLOW_VIDEO_PAUSE = "bool_allow_video_pause";
diff --git a/cmds/pm/src/com/android/commands/pm/Pm.java b/cmds/pm/src/com/android/commands/pm/Pm.java
index 24449d4..4025553 100644
--- a/cmds/pm/src/com/android/commands/pm/Pm.java
+++ b/cmds/pm/src/com/android/commands/pm/Pm.java
@@ -1490,7 +1490,7 @@
         System.err.println("    -i: specify the installer package name");
         System.err.println("    -s: install application on sdcard");
         System.err.println("    -f: install application on internal flash");
-        System.err.println("    -d: allow version code downgrade");
+        System.err.println("    -d: allow version code downgrade (debuggable packages only)");
         System.err.println("    -p: partial application install");
         System.err.println("    -g: grant all runtime permissions");
         System.err.println("    -S: size in bytes of entire session");
diff --git a/core/java/android/content/res/TypedArray.java b/core/java/android/content/res/TypedArray.java
index 6067577..da49b64 100644
--- a/core/java/android/content/res/TypedArray.java
+++ b/core/java/android/content/res/TypedArray.java
@@ -426,7 +426,9 @@
             throw new RuntimeException("Cannot make calls to a recycled instance!");
         }
 
+        final int attrIndex = index;
         index *= AssetManager.STYLE_NUM_ENTRIES;
+
         final int[] data = mData;
         final int type = data[index+AssetManager.STYLE_TYPE];
         if (type == TypedValue.TYPE_NULL) {
@@ -444,13 +446,13 @@
             return defValue;
         } else if (type == TypedValue.TYPE_ATTRIBUTE) {
             final TypedValue value = mValue;
-            getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value);
+            getValueAt(index, value);
             throw new UnsupportedOperationException(
-                    "Failed to resolve attribute at index " + index + ": " + value);
+                    "Failed to resolve attribute at index " + attrIndex + ": " + value);
         }
 
-        throw new UnsupportedOperationException("Can't convert to color: type=0x"
-                + Integer.toHexString(type));
+        throw new UnsupportedOperationException("Can't convert value at index " + attrIndex
+                + " to color: type=0x" + Integer.toHexString(type));
     }
 
     /**
@@ -541,7 +543,9 @@
             throw new RuntimeException("Cannot make calls to a recycled instance!");
         }
 
+        final int attrIndex = index;
         index *= AssetManager.STYLE_NUM_ENTRIES;
+
         final int[] data = mData;
         final int type = data[index+AssetManager.STYLE_TYPE];
         if (type == TypedValue.TYPE_NULL) {
@@ -551,13 +555,13 @@
             return data[index+AssetManager.STYLE_DATA];
         } else if (type == TypedValue.TYPE_ATTRIBUTE) {
             final TypedValue value = mValue;
-            getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value);
+            getValueAt(index, value);
             throw new UnsupportedOperationException(
-                    "Failed to resolve attribute at index " + index + ": " + value);
+                    "Failed to resolve attribute at index " + attrIndex + ": " + value);
         }
 
-        throw new UnsupportedOperationException("Can't convert to integer: type=0x"
-                + Integer.toHexString(type));
+        throw new UnsupportedOperationException("Can't convert value at index " + attrIndex
+                + " to integer: type=0x" + Integer.toHexString(type));
     }
 
     /**
@@ -587,7 +591,9 @@
             throw new RuntimeException("Cannot make calls to a recycled instance!");
         }
 
+        final int attrIndex = index;
         index *= AssetManager.STYLE_NUM_ENTRIES;
+
         final int[] data = mData;
         final int type = data[index+AssetManager.STYLE_TYPE];
         if (type == TypedValue.TYPE_NULL) {
@@ -597,13 +603,13 @@
                     data[index + AssetManager.STYLE_DATA], mMetrics);
         } else if (type == TypedValue.TYPE_ATTRIBUTE) {
             final TypedValue value = mValue;
-            getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value);
+            getValueAt(index, value);
             throw new UnsupportedOperationException(
-                    "Failed to resolve attribute at index " + index + ": " + value);
+                    "Failed to resolve attribute at index " + attrIndex + ": " + value);
         }
 
-        throw new UnsupportedOperationException("Can't convert to dimension: type=0x"
-                + Integer.toHexString(type));
+        throw new UnsupportedOperationException("Can't convert value at index " + attrIndex
+                + " to dimension: type=0x" + Integer.toHexString(type));
     }
 
     /**
@@ -634,7 +640,9 @@
             throw new RuntimeException("Cannot make calls to a recycled instance!");
         }
 
+        final int attrIndex = index;
         index *= AssetManager.STYLE_NUM_ENTRIES;
+
         final int[] data = mData;
         final int type = data[index+AssetManager.STYLE_TYPE];
         if (type == TypedValue.TYPE_NULL) {
@@ -644,13 +652,13 @@
                     data[index + AssetManager.STYLE_DATA], mMetrics);
         } else if (type == TypedValue.TYPE_ATTRIBUTE) {
             final TypedValue value = mValue;
-            getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value);
+            getValueAt(index, value);
             throw new UnsupportedOperationException(
-                    "Failed to resolve attribute at index " + index + ": " + value);
+                    "Failed to resolve attribute at index " + attrIndex + ": " + value);
         }
 
-        throw new UnsupportedOperationException("Can't convert to dimension: type=0x"
-                + Integer.toHexString(type));
+        throw new UnsupportedOperationException("Can't convert value at index " + attrIndex
+                + " to dimension: type=0x" + Integer.toHexString(type));
     }
 
     /**
@@ -682,7 +690,9 @@
             throw new RuntimeException("Cannot make calls to a recycled instance!");
         }
 
+        final int attrIndex = index;
         index *= AssetManager.STYLE_NUM_ENTRIES;
+
         final int[] data = mData;
         final int type = data[index+AssetManager.STYLE_TYPE];
         if (type == TypedValue.TYPE_NULL) {
@@ -692,13 +702,13 @@
                 data[index+AssetManager.STYLE_DATA], mMetrics);
         } else if (type == TypedValue.TYPE_ATTRIBUTE) {
             final TypedValue value = mValue;
-            getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value);
+            getValueAt(index, value);
             throw new UnsupportedOperationException(
-                    "Failed to resolve attribute at index " + index + ": " + value);
+                    "Failed to resolve attribute at index " + attrIndex + ": " + value);
         }
 
-        throw new UnsupportedOperationException("Can't convert to dimension: type=0x"
-                + Integer.toHexString(type));
+        throw new UnsupportedOperationException("Can't convert value at index " + attrIndex
+                + " to dimension: type=0x" + Integer.toHexString(type));
     }
 
     /**
@@ -724,7 +734,9 @@
             throw new RuntimeException("Cannot make calls to a recycled instance!");
         }
 
+        final int attrIndex = index;
         index *= AssetManager.STYLE_NUM_ENTRIES;
+
         final int[] data = mData;
         final int type = data[index+AssetManager.STYLE_TYPE];
         if (type >= TypedValue.TYPE_FIRST_INT
@@ -735,9 +747,9 @@
                 data[index+AssetManager.STYLE_DATA], mMetrics);
         } else if (type == TypedValue.TYPE_ATTRIBUTE) {
             final TypedValue value = mValue;
-            getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value);
+            getValueAt(index, value);
             throw new UnsupportedOperationException(
-                    "Failed to resolve attribute at index " + index + ": " + value);
+                    "Failed to resolve attribute at index " + attrIndex + ": " + value);
         }
 
         throw new UnsupportedOperationException(getPositionDescription()
@@ -800,7 +812,9 @@
             throw new RuntimeException("Cannot make calls to a recycled instance!");
         }
 
+        final int attrIndex = index;
         index *= AssetManager.STYLE_NUM_ENTRIES;
+
         final int[] data = mData;
         final int type = data[index+AssetManager.STYLE_TYPE];
         if (type == TypedValue.TYPE_NULL) {
@@ -810,13 +824,13 @@
                 data[index+AssetManager.STYLE_DATA], base, pbase);
         } else if (type == TypedValue.TYPE_ATTRIBUTE) {
             final TypedValue value = mValue;
-            getValueAt(index*AssetManager.STYLE_NUM_ENTRIES, value);
+            getValueAt(index, value);
             throw new UnsupportedOperationException(
-                    "Failed to resolve attribute at index " + index + ": " + value);
+                    "Failed to resolve attribute at index " + attrIndex + ": " + value);
         }
 
-        throw new UnsupportedOperationException("Can't convert to fraction: type=0x"
-                + Integer.toHexString(type));
+        throw new UnsupportedOperationException("Can't convert value at index " + attrIndex
+                + " to fraction: type=0x" + Integer.toHexString(type));
     }
 
     /**
diff --git a/core/java/android/text/method/BaseKeyListener.java b/core/java/android/text/method/BaseKeyListener.java
index 367c9fb..e79dfca 100644
--- a/core/java/android/text/method/BaseKeyListener.java
+++ b/core/java/android/text/method/BaseKeyListener.java
@@ -437,6 +437,7 @@
 
         if (handled) {
             adjustMetaAfterKeypress(content);
+            return true;
         }
 
         return super.onKeyDown(view, content, keyCode, event);
@@ -470,4 +471,3 @@
         return true;
     }
 }
-
diff --git a/core/java/android/widget/PopupWindow.java b/core/java/android/widget/PopupWindow.java
index 4c81d1a..54b3932 100644
--- a/core/java/android/widget/PopupWindow.java
+++ b/core/java/android/widget/PopupWindow.java
@@ -1632,7 +1632,6 @@
 
         final PopupDecorView decorView = mDecorView;
         final View contentView = mContentView;
-        final OnDismissListener dismissListener = mOnDismissListener;
 
         final ViewGroup contentHolder;
         final ViewParent contentParent = contentView.getParent();
@@ -1676,16 +1675,19 @@
                     new TransitionListenerAdapter() {
                         @Override
                         public void onTransitionEnd(Transition transition) {
-                            dismissImmediate(decorView, contentHolder,
-                                    contentView, dismissListener);
+                            dismissImmediate(decorView, contentHolder, contentView);
                         }
                     });
         } else {
-            dismissImmediate(decorView, contentHolder, contentView, dismissListener);
+            dismissImmediate(decorView, contentHolder, contentView);
         }
 
         // Clears the anchor view.
         unregisterForViewTreeChanges();
+
+        if (mOnDismissListener != null) {
+            mOnDismissListener.onDismiss();
+        }
     }
 
     /**
@@ -1727,8 +1729,7 @@
      * Removes the popup from the window manager and tears down the supporting
      * view hierarchy, if necessary.
      */
-    private void dismissImmediate(View decorView, ViewGroup contentHolder,
-            View contentView, OnDismissListener listener) {
+    private void dismissImmediate(View decorView, ViewGroup contentHolder, View contentView) {
         // If this method gets called and the decor view doesn't have a parent,
         // then it was either never added or was already removed. That should
         // never happen, but it's worth checking to avoid potential crashes.
@@ -1745,10 +1746,6 @@
         mDecorView = null;
         mBackgroundView = null;
         mIsTransitioningToDismiss = false;
-
-        if (mOnDismissListener != null) {
-            mOnDismissListener.onDismiss();
-        }
     }
 
     /**
diff --git a/core/java/android/widget/RemoteViews.java b/core/java/android/widget/RemoteViews.java
index 914ffdf..1cccfae 100644
--- a/core/java/android/widget/RemoteViews.java
+++ b/core/java/android/widget/RemoteViews.java
@@ -454,12 +454,19 @@
                     public void onClick(View v) {
                         // Insure that this view is a child of an AdapterView
                         View parent = (View) v.getParent();
+                        // Break the for loop on the first encounter of:
+                        //    1) an AdapterView,
+                        //    2) an AppWidgetHostView that is not a RemoteViewsFrameLayout, or
+                        //    3) a null parent.
+                        // 2) and 3) are unexpected and catch the case where a child is not
+                        // correctly parented in an AdapterView.
                         while (parent != null && !(parent instanceof AdapterView<?>)
-                                && !(parent instanceof AppWidgetHostView)) {
+                                && !((parent instanceof AppWidgetHostView) &&
+                                    !(parent instanceof RemoteViewsAdapter.RemoteViewsFrameLayout))) {
                             parent = (View) parent.getParent();
                         }
 
-                        if (parent instanceof AppWidgetHostView || parent == null) {
+                        if (!(parent instanceof AdapterView<?>)) {
                             // Somehow they've managed to get this far without having
                             // and AdapterView as a parent.
                             Log.e(LOG_TAG, "Collection item doesn't have AdapterView parent");
diff --git a/core/java/android/widget/RemoteViewsAdapter.java b/core/java/android/widget/RemoteViewsAdapter.java
index 8278c5a..10abbab 100644
--- a/core/java/android/widget/RemoteViewsAdapter.java
+++ b/core/java/android/widget/RemoteViewsAdapter.java
@@ -288,7 +288,7 @@
      * A FrameLayout which contains a loading view, and manages the re/applying of RemoteViews when
      * they are loaded.
      */
-    private static class RemoteViewsFrameLayout extends AppWidgetHostView {
+    static class RemoteViewsFrameLayout extends AppWidgetHostView {
         private final FixedSizeRemoteViewsCache mCache;
 
         public RemoteViewsFrameLayout(Context context, FixedSizeRemoteViewsCache cache) {
diff --git a/core/jni/android_opengl_GLES30.cpp b/core/jni/android_opengl_GLES30.cpp
index c9b5af7..2d69eaa 100644
--- a/core/jni/android_opengl_GLES30.cpp
+++ b/core/jni/android_opengl_GLES30.cpp
@@ -5155,6 +5155,21 @@
     }
 }
 
+/* void glReadPixels ( GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint offset ) */
+static void
+android_glReadPixels__IIIIIII
+  (JNIEnv *_env, jobject _this, jint x, jint y, jint width, jint height, jint format, jint type, jint offset) {
+    glReadPixels(
+        (GLint)x,
+        (GLint)y,
+        (GLsizei)width,
+        (GLsizei)height,
+        (GLenum)format,
+        (GLenum)type,
+        reinterpret_cast<GLvoid *>(offset)
+    );
+}
+
 static const char *classPathName = "android/opengl/GLES30";
 
 static const JNINativeMethod methods[] = {
@@ -5320,6 +5335,7 @@
 {"glTexStorage3D", "(IIIIII)V", (void *) android_glTexStorage3D__IIIIII },
 {"glGetInternalformativ", "(IIII[II)V", (void *) android_glGetInternalformativ__IIII_3II },
 {"glGetInternalformativ", "(IIIILjava/nio/IntBuffer;)V", (void *) android_glGetInternalformativ__IIIILjava_nio_IntBuffer_2 },
+{"glReadPixels", "(IIIIIII)V", (void *) android_glReadPixels__IIIIIII },
 };
 
 int register_android_opengl_jni_GLES30(JNIEnv *_env)
diff --git a/core/res/res/values-television/config.xml b/core/res/res/values-television/config.xml
index a3a3112..ae19150 100644
--- a/core/res/res/values-television/config.xml
+++ b/core/res/res/values-television/config.xml
@@ -25,7 +25,7 @@
     <bool name="config_defaultWindowFeatureOptionsPanel">false</bool>
 
     <!-- Default bounds [left top right bottom] on screen for picture-in-picture windows. -->
-    <string translatable="false" name="config_defaultPictureInPictureBounds">"1328 54 1808 324"</string>
+    <string translatable="false" name="config_defaultPictureInPictureBounds">"1420 100 1820 325"</string>
 
     <!-- Bounds [left top right bottom] on screen for picture-in-picture (PIP) windows, when the PIP
          is located in center. -->
@@ -34,5 +34,4 @@
     <!-- Bounds [left top right bottom] on screen for picture-in-picture (PIP) windows,
          when the PIP is shown with Recents. -->
     <string translatable="false" name="config_pictureInPictureBoundsInRecents">"1480 123 1760 303"</string>
-
 </resources>
diff --git a/graphics/java/android/graphics/drawable/DrawableContainer.java b/graphics/java/android/graphics/drawable/DrawableContainer.java
index d05c66a..3b0e7e8 100644
--- a/graphics/java/android/graphics/drawable/DrawableContainer.java
+++ b/graphics/java/android/graphics/drawable/DrawableContainer.java
@@ -898,19 +898,19 @@
          * @param res the resources used to inflate density-dependent values
          */
         final void updateDensity(Resources res) {
-            if (mSourceRes != null) {
+            if (res != null) {
                 mSourceRes = res;
-            }
 
-            // The density may have changed since the last update (if any). Any
-            // dimension-type attributes will need their default values scaled.
-            final int targetDensity = Drawable.resolveDensity(res, mDensity);
-            final int sourceDensity = mDensity;
-            mDensity = targetDensity;
+                // The density may have changed since the last update (if any). Any
+                // dimension-type attributes will need their default values scaled.
+                final int targetDensity = Drawable.resolveDensity(res, mDensity);
+                final int sourceDensity = mDensity;
+                mDensity = targetDensity;
 
-            if (sourceDensity != targetDensity) {
-                mCheckedConstantSize = false;
-                mCheckedPadding = false;
+                if (sourceDensity != targetDensity) {
+                    mCheckedConstantSize = false;
+                    mCheckedPadding = false;
+                }
             }
         }
 
diff --git a/libs/hwui/renderstate/MeshState.cpp b/libs/hwui/renderstate/MeshState.cpp
index 03cb5ce..b575c69 100644
--- a/libs/hwui/renderstate/MeshState.cpp
+++ b/libs/hwui/renderstate/MeshState.cpp
@@ -34,7 +34,6 @@
     glGenBuffers(1, &mUnitQuadBuffer);
     glBindBuffer(GL_ARRAY_BUFFER, mUnitQuadBuffer);
     glBufferData(GL_ARRAY_BUFFER, sizeof(kUnitQuadVertices), kUnitQuadVertices, GL_STATIC_DRAW);
-
     mCurrentBuffer = mUnitQuadBuffer;
 
     uint16_t regionIndices[kMaxNumberOfQuads * 6];
@@ -78,26 +77,18 @@
 // Buffer Objects
 ///////////////////////////////////////////////////////////////////////////////
 
-bool MeshState::bindMeshBuffer() {
-    return bindMeshBuffer(mUnitQuadBuffer);
-}
-
-bool MeshState::bindMeshBuffer(GLuint buffer) {
-    if (!buffer) buffer = mUnitQuadBuffer;
-    return bindMeshBufferInternal(buffer);
-}
-
-bool MeshState::unbindMeshBuffer() {
-    return bindMeshBufferInternal(0);
-}
-
-bool MeshState::bindMeshBufferInternal(GLuint buffer) {
+void MeshState::bindMeshBuffer(GLuint buffer) {
     if (mCurrentBuffer != buffer) {
         glBindBuffer(GL_ARRAY_BUFFER, buffer);
         mCurrentBuffer = buffer;
-        return true;
+
+        // buffer has changed, so invalidate cached vertex pos/texcoord pointers
+        resetVertexPointers();
     }
-    return false;
+}
+
+void MeshState::unbindMeshBuffer() {
+    return bindMeshBuffer(0);
 }
 
 void MeshState::genOrUpdateMeshBuffer(GLuint* buffer, GLsizeiptr size,
@@ -122,16 +113,22 @@
 // Vertices
 ///////////////////////////////////////////////////////////////////////////////
 
-void MeshState::bindPositionVertexPointer(bool force, const GLvoid* vertices, GLsizei stride) {
-    if (force || vertices != mCurrentPositionPointer || stride != mCurrentPositionStride) {
+void MeshState::bindPositionVertexPointer(const GLvoid* vertices, GLsizei stride) {
+    // update pos coords if !current vbo, since vertices may point into mutable memory (e.g. stack)
+    if (mCurrentBuffer == 0
+            || vertices != mCurrentPositionPointer
+            || stride != mCurrentPositionStride) {
         glVertexAttribPointer(Program::kBindingPosition, 2, GL_FLOAT, GL_FALSE, stride, vertices);
         mCurrentPositionPointer = vertices;
         mCurrentPositionStride = stride;
     }
 }
 
-void MeshState::bindTexCoordsVertexPointer(bool force, const GLvoid* vertices, GLsizei stride) {
-    if (force || vertices != mCurrentTexCoordsPointer || stride != mCurrentTexCoordsStride) {
+void MeshState::bindTexCoordsVertexPointer(const GLvoid* vertices, GLsizei stride) {
+    // update tex coords if !current vbo, since vertices may point into mutable memory (e.g. stack)
+    if (mCurrentBuffer == 0
+            || vertices != mCurrentTexCoordsPointer
+            || stride != mCurrentTexCoordsStride) {
         glVertexAttribPointer(Program::kBindingTexCoords, 2, GL_FLOAT, GL_FALSE, stride, vertices);
         mCurrentTexCoordsPointer = vertices;
         mCurrentTexCoordsStride = stride;
@@ -143,10 +140,6 @@
     mCurrentTexCoordsPointer = this;
 }
 
-void MeshState::resetTexCoordsVertexPointer() {
-    mCurrentTexCoordsPointer = this;
-}
-
 void MeshState::enableTexCoordsVertexArray() {
     if (!mTexCoordsArrayEnabled) {
         glEnableVertexAttribArray(Program::kBindingTexCoords);
@@ -166,26 +159,18 @@
 // Indices
 ///////////////////////////////////////////////////////////////////////////////
 
-bool MeshState::bindIndicesBufferInternal(const GLuint buffer) {
+void MeshState::bindIndicesBuffer(const GLuint buffer) {
     if (mCurrentIndicesBuffer != buffer) {
         glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer);
         mCurrentIndicesBuffer = buffer;
-        return true;
     }
-    return false;
 }
 
-bool MeshState::bindQuadIndicesBuffer() {
-    return bindIndicesBufferInternal(mQuadListIndices);
-}
-
-bool MeshState::unbindIndicesBuffer() {
+void MeshState::unbindIndicesBuffer() {
     if (mCurrentIndicesBuffer) {
         glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
         mCurrentIndicesBuffer = 0;
-        return true;
     }
-    return false;
 }
 
 } /* namespace uirenderer */
diff --git a/libs/hwui/renderstate/MeshState.h b/libs/hwui/renderstate/MeshState.h
index 6c0fb78..dd68468 100644
--- a/libs/hwui/renderstate/MeshState.h
+++ b/libs/hwui/renderstate/MeshState.h
@@ -60,20 +60,16 @@
     ///////////////////////////////////////////////////////////////////////////////
     // Buffer objects
     ///////////////////////////////////////////////////////////////////////////////
-    /**
-     * Binds the VBO used to render simple textured quads.
-     */
-    bool bindMeshBuffer();
 
     /**
      * Binds the specified VBO if needed. If buffer == 0, binds default simple textured quad.
      */
-    bool bindMeshBuffer(GLuint buffer);
+    void bindMeshBuffer(GLuint buffer);
 
     /**
-     * Unbinds the VBO used to render simple textured quads.
+     * Unbinds the current VBO if active.
      */
-    bool unbindMeshBuffer();
+    void unbindMeshBuffer();
 
     void genOrUpdateMeshBuffer(GLuint* buffer, GLsizeiptr size, const void* data, GLenum usage);
     void deleteMeshBuffer(GLuint);
@@ -85,21 +81,20 @@
      * Binds an attrib to the specified float vertex pointer.
      * Assumes a stride of gTextureVertexStride and a size of 2.
      */
-    void bindPositionVertexPointer(bool force, const GLvoid* vertices,
+    void bindPositionVertexPointer(const GLvoid* vertices,
             GLsizei stride = kTextureVertexStride);
 
     /**
      * Binds an attrib to the specified float vertex pointer.
      * Assumes a stride of gTextureVertexStride and a size of 2.
      */
-    void bindTexCoordsVertexPointer(bool force, const GLvoid* vertices,
+    void bindTexCoordsVertexPointer(const GLvoid* vertices,
             GLsizei stride = kTextureVertexStride);
 
     /**
      * Resets the vertex pointers.
      */
     void resetVertexPointers();
-    void resetTexCoordsVertexPointer();
 
     void enableTexCoordsVertexArray();
     void disableTexCoordsVertexArray();
@@ -107,12 +102,8 @@
     ///////////////////////////////////////////////////////////////////////////////
     // Indices
     ///////////////////////////////////////////////////////////////////////////////
-    /**
-     * Binds a global indices buffer that can draw up to
-     * gMaxNumberOfQuads quads.
-     */
-    bool bindQuadIndicesBuffer();
-    bool unbindIndicesBuffer();
+    void bindIndicesBuffer(const GLuint buffer);
+    void unbindIndicesBuffer();
 
     ///////////////////////////////////////////////////////////////////////////////
     // Getters - for use in Glop building
@@ -121,8 +112,6 @@
     GLuint getQuadListIBO() { return mQuadListIndices; }
 private:
     MeshState();
-    bool bindMeshBufferInternal(const GLuint buffer);
-    bool bindIndicesBufferInternal(const GLuint buffer);
 
     GLuint mUnitQuadBuffer;
 
diff --git a/libs/hwui/renderstate/RenderState.cpp b/libs/hwui/renderstate/RenderState.cpp
index e535f2f..ea4391b 100644
--- a/libs/hwui/renderstate/RenderState.cpp
+++ b/libs/hwui/renderstate/RenderState.cpp
@@ -292,28 +292,27 @@
     // ---------- Mesh setup ----------
     // --------------------------------
     // vertices
-    const bool force = meshState().bindMeshBufferInternal(vertices.bufferObject)
-            || (vertices.position != nullptr);
-    meshState().bindPositionVertexPointer(force, vertices.position, vertices.stride);
+    meshState().bindMeshBuffer(vertices.bufferObject);
+    meshState().bindPositionVertexPointer(vertices.position, vertices.stride);
 
     // indices
-    meshState().bindIndicesBufferInternal(indices.bufferObject);
+    meshState().bindIndicesBuffer(indices.bufferObject);
 
     if (vertices.attribFlags & VertexAttribFlags::TextureCoord) {
         const Glop::Fill::TextureData& texture = fill.texture;
         // texture always takes slot 0, shader samplers increment from there
         mCaches->textureState().activateTexture(0);
 
+        mCaches->textureState().bindTexture(texture.target, texture.texture->id());
         if (texture.clamp != GL_INVALID_ENUM) {
-            texture.texture->setWrap(texture.clamp, true, false, texture.target);
+            texture.texture->setWrap(texture.clamp, false, false, texture.target);
         }
         if (texture.filter != GL_INVALID_ENUM) {
-            texture.texture->setFilter(texture.filter, true, false, texture.target);
+            texture.texture->setFilter(texture.filter, false, false, texture.target);
         }
 
-        mCaches->textureState().bindTexture(texture.target, texture.texture->id());
         meshState().enableTexCoordsVertexArray();
-        meshState().bindTexCoordsVertexPointer(force, vertices.texCoord, vertices.stride);
+        meshState().bindTexCoordsVertexPointer(vertices.texCoord, vertices.stride);
 
         if (texture.textureTransform) {
             glUniformMatrix4fv(fill.program->getUniform("mainTextureTransform"), 1,
@@ -361,11 +360,9 @@
         const GLbyte* vertexData = static_cast<const GLbyte*>(vertices.position);
         while (elementsCount > 0) {
             GLsizei drawCount = std::min(elementsCount, (GLsizei) kMaxNumberOfQuads * 6);
-
-            // rebind pointers without forcing, since initial bind handled above
-            meshState().bindPositionVertexPointer(false, vertexData, vertices.stride);
+            meshState().bindPositionVertexPointer(vertexData, vertices.stride);
             if (vertices.attribFlags & VertexAttribFlags::TextureCoord) {
-                meshState().bindTexCoordsVertexPointer(false,
+                meshState().bindTexCoordsVertexPointer(
                         vertexData + kMeshTextureOffset, vertices.stride);
             }
 
diff --git a/media/java/android/media/session/ISession.aidl b/media/java/android/media/session/ISession.aidl
index bd0019f..3affee5c0 100644
--- a/media/java/android/media/session/ISession.aidl
+++ b/media/java/android/media/session/ISession.aidl
@@ -50,4 +50,6 @@
     void setPlaybackToLocal(in AudioAttributes attributes);
     void setPlaybackToRemote(int control, int max);
     void setCurrentVolume(int currentVolume);
+
+    String getCallingPackage();
 }
diff --git a/media/java/android/media/session/MediaSession.java b/media/java/android/media/session/MediaSession.java
index 3b1b6c8..9073077 100644
--- a/media/java/android/media/session/MediaSession.java
+++ b/media/java/android/media/session/MediaSession.java
@@ -512,6 +512,22 @@
         }
     }
 
+    /**
+     * Returns the name of the package that sent the last media button, transport control, or
+     * command from controllers and the system. This is only valid while in a request callback, such
+     * as {@link Callback#onPlay}.
+     *
+     * @hide
+     */
+    public String getCallingPackage() {
+        try {
+            return mBinder.getCallingPackage();
+        } catch (RemoteException e) {
+            Log.wtf(TAG, "Dead object in getCallingPackage.", e);
+        }
+        return null;
+    }
+
     private void dispatchPrepare() {
         postToCallback(CallbackMessageHandler.MSG_PREPARE);
     }
diff --git a/media/java/android/media/tv/TvInputInfo.java b/media/java/android/media/tv/TvInputInfo.java
index b8a1374..ec65ffe 100644
--- a/media/java/android/media/tv/TvInputInfo.java
+++ b/media/java/android/media/tv/TvInputInfo.java
@@ -105,7 +105,8 @@
     public static final int TYPE_DISPLAY_PORT = 1008;
 
     /**
-     * The ID of the TV input to provide to the setup activity and settings activity.
+     * Used as a String extra field in setup intents created by {@link #createSetupIntent()} to
+     * supply the ID of a specific TV input to set up.
      */
     public static final String EXTRA_INPUT_ID = "android.media.tv.extra.INPUT_ID";
 
diff --git a/media/java/android/media/tv/TvInputManager.java b/media/java/android/media/tv/TvInputManager.java
index 7089c00..2703b1a 100644
--- a/media/java/android/media/tv/TvInputManager.java
+++ b/media/java/android/media/tv/TvInputManager.java
@@ -266,6 +266,14 @@
     public static final String META_DATA_CONTENT_RATING_SYSTEMS =
             "android.media.tv.metadata.CONTENT_RATING_SYSTEMS";
 
+    /**
+     * Activity action to set up channel sources i.e.&nbsp;TV inputs of type
+     * {@link TvInputInfo#TYPE_TUNER}. When invoked, the system will display an appropriate UI for
+     * the user to initiate the individual setup flow provided by
+     * {@link android.R.attr#setupActivity} of each TV input service.
+     */
+    public static final String ACTION_SETUP_INPUTS = "android.media.tv.action.SETUP_INPUTS";
+
     private final ITvInputManager mService;
 
     private final Object mLock = new Object();
diff --git a/opengl/java/android/opengl/GLES30.java b/opengl/java/android/opengl/GLES30.java
index 342ffa4..9c3b505 100644
--- a/opengl/java/android/opengl/GLES30.java
+++ b/opengl/java/android/opengl/GLES30.java
@@ -1791,4 +1791,16 @@
         java.nio.IntBuffer params
     );
 
+    // C function void glReadPixels ( GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint offset )
+
+    public static native void glReadPixels(
+        int x,
+        int y,
+        int width,
+        int height,
+        int format,
+        int type,
+        int offset
+    );
+
 }
diff --git a/packages/DocumentsUI/Android.mk b/packages/DocumentsUI/Android.mk
index 1a4e3eb..e1650e1 100644
--- a/packages/DocumentsUI/Android.mk
+++ b/packages/DocumentsUI/Android.mk
@@ -8,6 +8,7 @@
 LOCAL_STATIC_JAVA_LIBRARIES := android-support-v4
 # The design lib requires that the client package use appcompat themes.
 LOCAL_STATIC_JAVA_LIBRARIES += android-support-v7-appcompat
+LOCAL_STATIC_JAVA_LIBRARIES += android-support-v13
 # Supplies material design components, e.g. Snackbar.
 LOCAL_STATIC_JAVA_LIBRARIES += android-support-design
 LOCAL_STATIC_JAVA_LIBRARIES += android-support-v7-recyclerview
diff --git a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
index cb6cf8d..90c2d1b 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
@@ -52,6 +52,7 @@
 import android.provider.DocumentsContract.Document;
 import android.support.annotation.Nullable;
 import android.support.design.widget.Snackbar;
+import android.support.v13.view.DragStartHelper;
 import android.support.v7.widget.GridLayoutManager;
 import android.support.v7.widget.GridLayoutManager.SpanSizeLookup;
 import android.support.v7.widget.RecyclerView;
@@ -72,7 +73,6 @@
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.ViewParent;
 import android.widget.ImageView;
 import android.widget.TextView;
 
@@ -258,7 +258,8 @@
         }
         mRecView.setLayoutManager(mLayout);
 
-        mGestureDetector = new ListeningGestureDetector(this.getContext(), new GestureListener());
+        mGestureDetector =
+                new ListeningGestureDetector(this.getContext(), mDragHelper, new GestureListener());
 
         mRecView.addOnItemTouchListener(mGestureDetector);
 
@@ -1051,7 +1052,7 @@
             view.setOnDragListener(mOnDragListener);
         }
 
-        view.setOnLongClickListener(mLongClickListener);
+        view.setOnLongClickListener(mDragHelper);
     }
 
     private View.OnDragListener mOnDragListener = new View.OnDragListener() {
@@ -1062,11 +1063,15 @@
                     // TODO: Check if the event contains droppable data.
                     return true;
 
-                // TODO: Highlight potential drop target directory?
                 // TODO: Expand drop target directory on hover?
                 case DragEvent.ACTION_DRAG_ENTERED:
-                case DragEvent.ACTION_DRAG_LOCATION:
+                    setDropTargetHighlight(v, true);
+                    return true;
                 case DragEvent.ACTION_DRAG_EXITED:
+                    setDropTargetHighlight(v, false);
+                    return true;
+
+                case DragEvent.ACTION_DRAG_LOCATION:
                 case DragEvent.ACTION_DRAG_ENDED:
                     return true;
 
@@ -1080,10 +1085,24 @@
                         // TODO: Do not drop into the directory where the documents came from.
                     }
                     copyFromClipData(event.getClipData(), dstDir);
+                    // Clean up the UI.
+                    setDropTargetHighlight(v, false);
+                    mSelectionManager.clearSelection();
                     return true;
             }
             return false;
         }
+
+        private void setDropTargetHighlight(View v, boolean highlight) {
+            // Note: use exact comparison - this code is searching for views which are children of
+            // the RecyclerView instance in the UI.
+            if (v.getParent() == mRecView) {
+                RecyclerView.ViewHolder vh = mRecView.getChildViewHolder(v);
+                if (vh instanceof DocumentHolder) {
+                    ((DocumentHolder) vh).setHighlighted(highlight);
+                }
+            }
+        }
     };
 
     /**
@@ -1109,21 +1128,14 @@
      *     a document item view.
      */
     private String getModelId(View view) {
-        while (true) {
-            if (view.getLayoutParams() instanceof RecyclerView.LayoutParams) {
-                RecyclerView.ViewHolder vh = mRecView.getChildViewHolder(view);
-                if (vh instanceof DocumentHolder) {
-                    return ((DocumentHolder) vh).modelId;
-                } else {
-                    return null;
-                }
+        View itemView = mRecView.findContainingItemView(view);
+        if (itemView != null) {
+            RecyclerView.ViewHolder vh = mRecView.getChildViewHolder(itemView);
+            if (vh instanceof DocumentHolder) {
+                return ((DocumentHolder) vh).modelId;
             }
-            ViewParent parent = view.getParent();
-            if (parent == null || !(parent instanceof View)) {
-                return null;
-            }
-            view = (View) parent;
         }
+        return null;
     }
 
     private List<DocumentInfo> getDraggableDocuments(View currentItemView) {
@@ -1304,10 +1316,10 @@
         }
     }
 
-    private View.OnLongClickListener mLongClickListener = new View.OnLongClickListener() {
+    private DragStartHelper mDragHelper = new DragStartHelper(null) {
         @Override
-        public boolean onLongClick(View v) {
-            if (mGestureDetector.mouseSpawnedLastEvent()) {
+        protected boolean onDragStart(View v) {
+            if (isSelected(getModelId(v))) {
                 List<DocumentInfo> docs = getDraggableDocuments(v);
                 if (docs.isEmpty()) {
                     return false;
@@ -1333,9 +1345,12 @@
             implements OnItemTouchListener {
 
         private int mLastTool = -1;
+        private DragStartHelper mDragHelper;
 
-        public ListeningGestureDetector(Context context, GestureListener listener) {
+        public ListeningGestureDetector(
+                Context context, DragStartHelper dragHelper, GestureListener listener) {
             super(context, listener);
+            mDragHelper = dragHelper;
             setOnDoubleTapListener(listener);
         }
 
@@ -1350,12 +1365,27 @@
         @Override
         public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
             mLastTool = e.getToolType(0);
-            onTouchEvent(e);  // bounce this forward to our detecty heart
+
+            // Detect drag events. When a drag is detected, intercept the rest of the gesture.
+            View itemView = rv.findChildViewUnder(e.getX(), e.getY());
+            if (itemView != null && mDragHelper.handleTouch(itemView,  e)) {
+                return true;
+            }
+            // Forward unhandled events to the GestureDetector.
+            onTouchEvent(e);
+
             return false;
         }
 
         @Override
-        public void onTouchEvent(RecyclerView rv, MotionEvent e) {}
+        public void onTouchEvent(RecyclerView rv, MotionEvent e) {
+            View itemView = rv.findChildViewUnder(e.getX(), e.getY());
+            mDragHelper.handleTouch(itemView,  e);
+            // Note: even though this event is being handled as part of a drag gesture, continue
+            // forwarding to the GestureDetector. The detector needs to see the entire cluster of
+            // events in order to properly interpret gestures.
+            onTouchEvent(e);
+        }
 
         @Override
         public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {}
diff --git a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DocumentHolder.java b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DocumentHolder.java
index 1bfc6e9..2967a90 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DocumentHolder.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DocumentHolder.java
@@ -75,11 +75,25 @@
      */
     public abstract void bind(Cursor cursor, String modelId, State state);
 
+    /**
+     * Makes the associated item view appear selected. Note that this merely affects the appearance
+     * of the view, it doesn't actually select the item.
+     *
+     * @param selected
+     */
     public void setSelected(boolean selected) {
         itemView.setActivated(selected);
         itemView.setBackgroundColor(selected ? mSelectedItemColor : mDefaultItemColor);
     }
 
+    /**
+     * Highlights the associated item view.
+     * @param highlighted
+     */
+    public void setHighlighted(boolean highlighted) {
+        itemView.setBackgroundColor(highlighted ? mSelectedItemColor : mDefaultItemColor);
+    }
+
     @Override
     public boolean onKey(View v, int keyCode, KeyEvent event) {
         // Event listener should always be set.
diff --git a/packages/MtpDocumentsProvider/src/com/android/mtp/DocumentLoader.java b/packages/MtpDocumentsProvider/src/com/android/mtp/DocumentLoader.java
index 90b5c09..712dbcb 100644
--- a/packages/MtpDocumentsProvider/src/com/android/mtp/DocumentLoader.java
+++ b/packages/MtpDocumentsProvider/src/com/android/mtp/DocumentLoader.java
@@ -16,6 +16,8 @@
 
 package com.android.mtp;
 
+import android.annotation.Nullable;
+import android.annotation.WorkerThread;
 import android.content.ContentResolver;
 import android.database.Cursor;
 import android.mtp.MtpObjectInfo;
@@ -25,6 +27,8 @@
 import android.provider.DocumentsContract;
 import android.util.Log;
 
+import com.android.internal.util.Preconditions;
+
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.ArrayList;
@@ -38,23 +42,135 @@
  * background thread to load the rest documents and caches its result for next requests.
  * TODO: Rename this class to ObjectInfoLoader
  */
-class DocumentLoader {
+class DocumentLoader implements AutoCloseable {
     static final int NUM_INITIAL_ENTRIES = 10;
     static final int NUM_LOADING_ENTRIES = 20;
     static final int NOTIFY_PERIOD_MS = 500;
 
+    private final int mDeviceId;
     private final MtpManager mMtpManager;
     private final ContentResolver mResolver;
     private final MtpDatabase mDatabase;
     private final TaskList mTaskList = new TaskList();
-    private boolean mHasBackgroundThread = false;
+    private Thread mBackgroundThread;
 
-    DocumentLoader(MtpManager mtpManager, ContentResolver resolver, MtpDatabase database) {
+    DocumentLoader(int deviceId, MtpManager mtpManager, ContentResolver resolver,
+                   MtpDatabase database) {
+        mDeviceId = deviceId;
         mMtpManager = mtpManager;
         mResolver = resolver;
         mDatabase = database;
     }
 
+    /**
+     * Queries the child documents of given parent.
+     * It loads the first NUM_INITIAL_ENTRIES of object info, then launches the background thread
+     * to load the rest.
+     */
+    synchronized Cursor queryChildDocuments(String[] columnNames, Identifier parent)
+            throws IOException {
+        Preconditions.checkArgument(parent.mDeviceId == mDeviceId);
+        LoaderTask task = mTaskList.findTask(parent);
+        if (task == null) {
+            if (parent.mDocumentId == null) {
+                throw new FileNotFoundException("Parent not found.");
+            }
+            // TODO: Handle nit race around here.
+            // 1. getObjectHandles.
+            // 2. putNewDocument.
+            // 3. startAddingChildDocuemnts.
+            // 4. stopAddingChildDocuments - It removes the new document added at the step 2,
+            //     because it is not updated between start/stopAddingChildDocuments.
+            task = LoaderTask.create(mDatabase, mMtpManager, parent);
+            task.fillDocuments(loadDocuments(
+                    mMtpManager,
+                    parent.mDeviceId,
+                    task.getUnloadedObjectHandles(NUM_INITIAL_ENTRIES)));
+        } else {
+            // Once remove the existing task in order to add it to the head of the list.
+            mTaskList.remove(task);
+        }
+
+        mTaskList.addFirst(task);
+        if (task.getState() == LoaderTask.STATE_LOADING) {
+            resume();
+        }
+        return task.createCursor(mResolver, columnNames);
+    }
+
+    /**
+     * Resumes a background thread.
+     */
+    synchronized void resume() {
+        if (mBackgroundThread == null) {
+            mBackgroundThread = new BackgroundLoaderThread();
+            mBackgroundThread.start();
+        }
+    }
+
+    /**
+     * Obtains next task to be run in background thread, or release the reference to background
+     * thread.
+     *
+     * Worker thread that receives null task needs to exit.
+     */
+    @WorkerThread
+    synchronized @Nullable LoaderTask getNextTaskOrReleaseBackgroundThread() {
+        Preconditions.checkState(mBackgroundThread != null);
+
+        final LoaderTask task = mTaskList.findRunningTask();
+        if (task != null) {
+            return task;
+        }
+
+        final Identifier identifier = mDatabase.getUnmappedDocumentsParent(mDeviceId);
+        if (identifier != null) {
+            final LoaderTask existingTask = mTaskList.findTask(identifier);
+            if (existingTask != null) {
+                Preconditions.checkState(existingTask.getState() != LoaderTask.STATE_LOADING);
+                mTaskList.remove(existingTask);
+            }
+            try {
+                final LoaderTask newTask = LoaderTask.create(mDatabase, mMtpManager, identifier);
+                mTaskList.addFirst(newTask);
+                return newTask;
+            } catch (IOException exception) {
+                Log.e(MtpDocumentsProvider.TAG, "Failed to create a task for mapping", exception);
+                // Continue to release the background thread.
+            }
+        }
+
+        mBackgroundThread = null;
+        return null;
+    }
+
+    /**
+     * Terminates background thread.
+     */
+    @Override
+    public void close() throws InterruptedException {
+        final Thread thread;
+        synchronized (this) {
+            mTaskList.clear();
+            thread = mBackgroundThread;
+        }
+        if (thread != null) {
+            thread.interrupt();
+            thread.join();
+        }
+    }
+
+    synchronized void clearCompletedTasks() {
+        mTaskList.clearCompletedTasks();
+    }
+
+    synchronized void clearTask(Identifier parentIdentifier) {
+        mTaskList.clearTask(parentIdentifier);
+    }
+
+    /**
+     * Helper method to loads multiple object info.
+     */
     private static MtpObjectInfo[] loadDocuments(MtpManager manager, int deviceId, int[] handles)
             throws IOException {
         final ArrayList<MtpObjectInfo> objects = new ArrayList<>();
@@ -70,78 +186,27 @@
         return objects.toArray(new MtpObjectInfo[objects.size()]);
     }
 
-    synchronized Cursor queryChildDocuments(String[] columnNames, Identifier parent)
-            throws IOException {
-        LoaderTask task = mTaskList.findTask(parent);
-        if (task == null) {
-            if (parent.mDocumentId == null) {
-                throw new FileNotFoundException("Parent not found.");
-            }
-
-            int parentHandle = parent.mObjectHandle;
-            // Need to pass the special value MtpManager.OBJECT_HANDLE_ROOT_CHILDREN to
-            // getObjectHandles if we would like to obtain children under the root.
-            if (parent.mDocumentType == MtpDatabaseConstants.DOCUMENT_TYPE_STORAGE) {
-                parentHandle = MtpManager.OBJECT_HANDLE_ROOT_CHILDREN;
-            }
-            // TODO: Handle nit race around here.
-            // 1. getObjectHandles.
-            // 2. putNewDocument.
-            // 3. startAddingChildDocuemnts.
-            // 4. stopAddingChildDocuments - It removes the new document added at the step 2,
-            //     because it is not updated between start/stopAddingChildDocuments.
-            task = new LoaderTask(mDatabase, parent, mMtpManager.getObjectHandles(
-                    parent.mDeviceId, parent.mStorageId, parentHandle));
-            task.fillDocuments(loadDocuments(
-                    mMtpManager,
-                    parent.mDeviceId,
-                    task.getUnloadedObjectHandles(NUM_INITIAL_ENTRIES)));
-        } else {
-            // Once remove the existing task in order to add it to the head of the list.
-            mTaskList.remove(task);
-        }
-
-        mTaskList.addFirst(task);
-        if (task.getState() == LoaderTask.STATE_LOADING && !mHasBackgroundThread) {
-            mHasBackgroundThread = true;
-            new BackgroundLoaderThread().start();
-        }
-        return task.createCursor(mResolver, columnNames);
-    }
-
-    synchronized void clearTasks() {
-        mTaskList.clear();
-    }
-
-    synchronized void clearCompletedTasks() {
-        mTaskList.clearCompletedTasks();
-    }
-
-    synchronized void clearTask(Identifier parentIdentifier) {
-        mTaskList.clearTask(parentIdentifier);
-    }
-
+    /**
+     * Background thread to fetch object info.
+     */
     private class BackgroundLoaderThread extends Thread {
+        /**
+         * Finds task that needs to be processed, then loads NUM_LOADING_ENTRIES of object info and
+         * store them to the database. If it does not find a task, exits the thread.
+         */
         @Override
         public void run() {
             Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
-            while (true) {
-                LoaderTask task;
-                int deviceId;
-                int[] handles;
-                synchronized (DocumentLoader.this) {
-                    task = mTaskList.findRunningTask();
-                    if (task == null) {
-                        mHasBackgroundThread = false;
-                        return;
-                    }
-                    deviceId = task.mIdentifier.mDeviceId;
-                    handles = task.getUnloadedObjectHandles(NUM_LOADING_ENTRIES);
+            while (!Thread.interrupted()) {
+                final LoaderTask task = getNextTaskOrReleaseBackgroundThread();
+                if (task == null) {
+                    return;
                 }
-
                 try {
-                    final MtpObjectInfo[] objectInfos =
-                            loadDocuments(mMtpManager, deviceId, handles);
+                    final MtpObjectInfo[] objectInfos = loadDocuments(
+                            mMtpManager,
+                            task.mIdentifier.mDeviceId,
+                            task.getUnloadedObjectHandles(NUM_LOADING_ENTRIES));
                     task.fillDocuments(objectInfos);
                     final boolean shouldNotify =
                             task.mLastNotified.getTime() <
@@ -157,6 +222,9 @@
         }
     }
 
+    /**
+     * Task list that has helper methods to search/clear tasks.
+     */
     private static class TaskList extends LinkedList<LoaderTask> {
         LoaderTask findTask(Identifier parent) {
             for (int i = 0; i < size(); i++) {
@@ -197,6 +265,10 @@
         }
     }
 
+    /**
+     * Loader task.
+     * Each task is responsible for fetching child documents for the given parent document.
+     */
     private static class LoaderTask {
         static final int STATE_LOADING = 0;
         static final int STATE_COMPLETED = 1;
@@ -217,6 +289,11 @@
             mLastNotified = new Date();
         }
 
+        /**
+         * Returns a cursor that traverses the child document of the parent document handled by the
+         * task.
+         * The returned task may have a EXTRA_LOADING flag.
+         */
         Cursor createCursor(ContentResolver resolver, String[] columnNames) throws IOException {
             final Bundle extras = new Bundle();
             switch (getState()) {
@@ -235,6 +312,9 @@
             return cursor;
         }
 
+        /**
+         * Returns a state of the task.
+         */
         int getState() {
             if (mError != null) {
                 return STATE_ERROR;
@@ -245,6 +325,9 @@
             }
         }
 
+        /**
+         * Obtains object handles that have not been loaded yet.
+         */
         int[] getUnloadedObjectHandles(int count) {
             return Arrays.copyOfRange(
                     mObjectHandles,
@@ -252,11 +335,17 @@
                     Math.min(mNumLoaded + count, mObjectHandles.length));
         }
 
+        /**
+         * Notifies a change of child list of the document.
+         */
         void notify(ContentResolver resolver) {
             resolver.notifyChange(createUri(), null, false);
             mLastNotified = new Date();
         }
 
+        /**
+         * Stores object information into database.
+         */
         void fillDocuments(MtpObjectInfo[] objectInfoList) {
             if (objectInfoList.length == 0 || getState() != STATE_LOADING) {
                 return;
@@ -276,6 +365,9 @@
             }
         }
 
+        /**
+         * Marks the loading task as error.
+         */
         void setError(Exception error) {
             final int lastState = getState();
             setErrorInternal(error);
@@ -298,5 +390,20 @@
             return DocumentsContract.buildChildDocumentsUri(
                     MtpDocumentsProvider.AUTHORITY, mIdentifier.mDocumentId);
         }
+
+        /**
+         * Creates a LoaderTask that loads children of the given document.
+         */
+        static LoaderTask create(MtpDatabase database, MtpManager manager, Identifier parent)
+                throws IOException {
+            int parentHandle = parent.mObjectHandle;
+            // Need to pass the special value MtpManager.OBJECT_HANDLE_ROOT_CHILDREN to
+            // getObjectHandles if we would like to obtain children under the root.
+            if (parent.mDocumentType == MtpDatabaseConstants.DOCUMENT_TYPE_STORAGE) {
+                parentHandle = MtpManager.OBJECT_HANDLE_ROOT_CHILDREN;
+            }
+            return new LoaderTask(database, parent, manager.getObjectHandles(
+                    parent.mDeviceId, parent.mStorageId, parentHandle));
+        }
     }
 }
diff --git a/packages/MtpDocumentsProvider/src/com/android/mtp/Mapper.java b/packages/MtpDocumentsProvider/src/com/android/mtp/Mapper.java
index 48e49fe..9578e6b 100644
--- a/packages/MtpDocumentsProvider/src/com/android/mtp/Mapper.java
+++ b/packages/MtpDocumentsProvider/src/com/android/mtp/Mapper.java
@@ -410,12 +410,7 @@
             return null;
         }
         try {
-            final Identifier identifier = mDatabase.createIdentifier(parentId);
-            if (mDatabase.getRowState(parentId) == ROW_STATE_DISCONNECTED) {
-                throw new FileNotFoundException(
-                        "document: " + parentId + " is in disconnected device.");
-            }
-            return identifier;
+            return mDatabase.createIdentifier(parentId);
         } catch (FileNotFoundException error) {
             mInMappingIds.remove(parentId);
             throw error;
diff --git a/packages/MtpDocumentsProvider/src/com/android/mtp/MtpDatabase.java b/packages/MtpDocumentsProvider/src/com/android/mtp/MtpDatabase.java
index ca5c799..e14109a 100644
--- a/packages/MtpDocumentsProvider/src/com/android/mtp/MtpDatabase.java
+++ b/packages/MtpDocumentsProvider/src/com/android/mtp/MtpDatabase.java
@@ -40,6 +40,7 @@
 import com.android.internal.util.Preconditions;
 
 import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.util.Objects;
 
 /**
@@ -406,15 +407,15 @@
                         COLUMN_STORAGE_ID,
                         COLUMN_OBJECT_HANDLE,
                         COLUMN_DOCUMENT_TYPE),
-                SELECTION_DOCUMENT_ID,
-                strings(documentId),
+                SELECTION_DOCUMENT_ID + " AND " + COLUMN_ROW_STATE + " IN (?, ?)",
+                strings(documentId, ROW_STATE_VALID, ROW_STATE_INVALIDATED),
                 null,
                 null,
                 null,
                 "1");
         try {
             if (cursor.getCount() == 0) {
-                throw new FileNotFoundException("ID is not found.");
+                throw new FileNotFoundException("ID \"" + documentId + "\" is not found.");
             } else {
                 cursor.moveToNext();
                 return new Identifier(
@@ -598,6 +599,48 @@
         }
     }
 
+    /**
+     * Obtains a document that has already mapped but has unmapped children.
+     * @param deviceId Device to find documents.
+     * @return Identifier of found document or null.
+     */
+    public @Nullable Identifier getUnmappedDocumentsParent(int deviceId) {
+        final String fromClosure =
+                TABLE_DOCUMENTS + " AS child INNER JOIN " +
+                TABLE_DOCUMENTS + " AS parent ON " +
+                "child." + COLUMN_PARENT_DOCUMENT_ID + " = " +
+                "parent." + Document.COLUMN_DOCUMENT_ID;
+        final String whereClosure =
+                "parent." + COLUMN_DEVICE_ID + " = ? AND " +
+                "parent." + COLUMN_ROW_STATE + " IN (?, ?) AND " +
+                "child." + COLUMN_ROW_STATE + " = ?";
+        try (final Cursor cursor = mDatabase.query(
+                fromClosure,
+                strings("parent." + COLUMN_DEVICE_ID,
+                        "parent." + COLUMN_STORAGE_ID,
+                        "parent." + COLUMN_OBJECT_HANDLE,
+                        "parent." + Document.COLUMN_DOCUMENT_ID,
+                        "parent." + COLUMN_DOCUMENT_TYPE),
+                whereClosure,
+                strings(deviceId, ROW_STATE_VALID, ROW_STATE_INVALIDATED,
+                        ROW_STATE_DISCONNECTED),
+                null,
+                null,
+                null,
+                "1")) {
+            if (cursor.getCount() == 0) {
+                return null;
+            }
+            cursor.moveToNext();
+            return new Identifier(
+                    cursor.getInt(0),
+                    cursor.getInt(1),
+                    cursor.getInt(2),
+                    cursor.getString(3),
+                    cursor.getInt(4));
+        }
+    }
+
     private static class OpenHelper extends SQLiteOpenHelper {
         public OpenHelper(Context context, int flags) {
             super(context,
diff --git a/packages/MtpDocumentsProvider/src/com/android/mtp/MtpDocumentsProvider.java b/packages/MtpDocumentsProvider/src/com/android/mtp/MtpDocumentsProvider.java
index d329e3c..4849978 100644
--- a/packages/MtpDocumentsProvider/src/com/android/mtp/MtpDocumentsProvider.java
+++ b/packages/MtpDocumentsProvider/src/com/android/mtp/MtpDocumentsProvider.java
@@ -324,14 +324,18 @@
                 Log.d(TAG, "Open device " + deviceId);
             }
             mMtpManager.openDevice(deviceId);
-            mDeviceToolkits.put(
-                    deviceId, new DeviceToolkit(mMtpManager, mResolver, mDatabase));
+            final DeviceToolkit toolkit =
+                    new DeviceToolkit(deviceId, mMtpManager, mResolver, mDatabase);
+            mDeviceToolkits.put(deviceId, toolkit);
             mIntentSender.sendUpdateNotificationIntent();
             try {
                 mRootScanner.resume().await();
             } catch (InterruptedException error) {
                 Log.e(TAG, "openDevice", error);
             }
+            // Resume document loader to remap disconnected document ID. Must be invoked after the
+            // root scanner resumes.
+            toolkit.mDocumentLoader.resume();
         }
     }
 
@@ -425,7 +429,7 @@
         if (DEBUG) {
             Log.d(TAG, "Close device " + deviceId);
         }
-        getDeviceToolkit(deviceId).mDocumentLoader.clearTasks();
+        getDeviceToolkit(deviceId).mDocumentLoader.close();
         mDeviceToolkits.remove(deviceId);
         mMtpManager.closeDevice(deviceId);
         if (getOpenedDeviceIds().length == 0) {
@@ -485,9 +489,10 @@
         public final PipeManager mPipeManager;
         public final DocumentLoader mDocumentLoader;
 
-        public DeviceToolkit(MtpManager manager, ContentResolver resolver, MtpDatabase database) {
+        public DeviceToolkit(
+                int deviceId, MtpManager manager, ContentResolver resolver, MtpDatabase database) {
             mPipeManager = new PipeManager(database);
-            mDocumentLoader = new DocumentLoader(manager, resolver, database);
+            mDocumentLoader = new DocumentLoader(deviceId, manager, resolver, database);
         }
     }
 
diff --git a/packages/MtpDocumentsProvider/tests/src/com/android/mtp/DocumentLoaderTest.java b/packages/MtpDocumentsProvider/tests/src/com/android/mtp/DocumentLoaderTest.java
index 474da07..b75a9e6 100644
--- a/packages/MtpDocumentsProvider/tests/src/com/android/mtp/DocumentLoaderTest.java
+++ b/packages/MtpDocumentsProvider/tests/src/com/android/mtp/DocumentLoaderTest.java
@@ -44,7 +44,7 @@
 
         mDatabase.getMapper().startAddingDocuments(null);
         mDatabase.getMapper().putDeviceDocument(
-                new MtpDeviceRecord(1, "Device", null, true, new MtpRoot[0], null, null));
+                new MtpDeviceRecord(0, "Device", null, true, new MtpRoot[0], null, null));
         mDatabase.getMapper().stopAddingDocuments(null);
 
         mDatabase.getMapper().startAddingDocuments("1");
@@ -55,11 +55,12 @@
 
         mManager = new BlockableTestMtpManager(getContext());
         mResolver = new TestContentResolver();
-        mLoader = new DocumentLoader(mManager, mResolver, mDatabase);
+        mLoader = new DocumentLoader(0, mManager, mResolver, mDatabase);
     }
 
     @Override
-    public void tearDown() {
+    public void tearDown() throws Exception {
+        mLoader.close();
         mDatabase.close();
     }
 
diff --git a/packages/MtpDocumentsProvider/tests/src/com/android/mtp/MtpDocumentsProviderTest.java b/packages/MtpDocumentsProvider/tests/src/com/android/mtp/MtpDocumentsProviderTest.java
index 5eda9b2b8..884d132 100644
--- a/packages/MtpDocumentsProvider/tests/src/com/android/mtp/MtpDocumentsProviderTest.java
+++ b/packages/MtpDocumentsProvider/tests/src/com/android/mtp/MtpDocumentsProviderTest.java
@@ -22,6 +22,7 @@
 import android.net.Uri;
 import android.os.ParcelFileDescriptor;
 import android.os.storage.StorageManager;
+import android.provider.DocumentsContract.Document;
 import android.provider.DocumentsContract.Root;
 import android.system.Os;
 import android.system.OsConstants;
@@ -587,6 +588,79 @@
         }
     }
 
+    public void testMappingDisconnectedDocuments() throws Exception {
+        setupProvider(MtpDatabaseConstants.FLAG_DATABASE_IN_MEMORY);
+        mMtpManager.addValidDevice(new MtpDeviceRecord(
+                0,
+                "Device A",
+                "device key",
+                true /* unopened */,
+                new MtpRoot[] {
+                    new MtpRoot(
+                            0 /* deviceId */,
+                            1 /* storageId */,
+                            "Storage A" /* volume description */,
+                            1024 /* free space */,
+                            2048 /* total space */,
+                            "" /* no volume identifier */)
+                },
+                null,
+                null));
+
+        final String[] names = strings("Directory A", "Directory B", "Directory C");
+        final int objectHandleOffset = 100;
+        for (int i = 0; i < names.length; i++) {
+            final int parentHandle = i == 0 ?
+                    MtpManager.OBJECT_HANDLE_ROOT_CHILDREN : objectHandleOffset + i - 1;
+            final int objectHandle = i + objectHandleOffset;
+            mMtpManager.setObjectHandles(0, 1, parentHandle, new int[] { objectHandle });
+            mMtpManager.setObjectInfo(
+                    0,
+                    new MtpObjectInfo.Builder()
+                            .setName(names[i])
+                            .setObjectHandle(objectHandle)
+                            .setFormat(MtpConstants.FORMAT_ASSOCIATION)
+                            .setStorageId(1)
+                            .build());
+        }
+
+        mProvider.resumeRootScanner();
+        mResolver.waitForNotification(ROOTS_URI, 1);
+
+        final int documentIdOffset = 2;
+        for (int i = 0; i < names.length; i++) {
+            try (final Cursor cursor = mProvider.queryChildDocuments(
+                    String.valueOf(documentIdOffset + i),
+                    strings(Document.COLUMN_DOCUMENT_ID, Document.COLUMN_DISPLAY_NAME),
+                    null)) {
+                assertEquals(1, cursor.getCount());
+                cursor.moveToNext();
+                assertEquals(String.valueOf(documentIdOffset + i + 1), cursor.getString(0));
+                assertEquals(names[i], cursor.getString(1));
+            }
+        }
+
+        mProvider.closeDevice(0);
+        mResolver.waitForNotification(ROOTS_URI, 2);
+
+        mProvider.openDevice(0);
+        mResolver.waitForNotification(ROOTS_URI, 3);
+
+        for (int i = 0; i < names.length; i++) {
+            mResolver.waitForNotification(DocumentsContract.buildChildDocumentsUri(
+                    MtpDocumentsProvider.AUTHORITY,
+                    String.valueOf(documentIdOffset + i)), 1);
+            try (final Cursor cursor = mProvider.queryChildDocuments(
+                    String.valueOf(documentIdOffset + i),
+                    strings(Document.COLUMN_DOCUMENT_ID),
+                    null)) {
+                assertEquals(1, cursor.getCount());
+                cursor.moveToNext();
+                assertEquals(String.valueOf(documentIdOffset + i + 1), cursor.getString(0));
+            }
+        }
+    }
+
     private void setupProvider(int flag) {
         mDatabase = new MtpDatabase(getContext(), flag);
         mProvider = new MtpDocumentsProvider();
diff --git a/packages/MtpDocumentsProvider/tests/src/com/android/mtp/TestMtpManager.java b/packages/MtpDocumentsProvider/tests/src/com/android/mtp/TestMtpManager.java
index 1b46f3c..3043ce8 100644
--- a/packages/MtpDocumentsProvider/tests/src/com/android/mtp/TestMtpManager.java
+++ b/packages/MtpDocumentsProvider/tests/src/com/android/mtp/TestMtpManager.java
@@ -86,7 +86,7 @@
     @Override
     void openDevice(int deviceId) throws IOException {
         final MtpDeviceRecord device = mDevices.get(deviceId);
-        if (device == null || device.opened) {
+        if (device == null) {
             throw new IOException();
         }
         mDevices.put(
@@ -99,7 +99,7 @@
     @Override
     void closeDevice(int deviceId) throws IOException {
         final MtpDeviceRecord device = mDevices.get(deviceId);
-        if (device == null || !device.opened) {
+        if (device == null) {
             throw new IOException();
         }
         mDevices.put(
diff --git a/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java b/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
index 1c032fa..a578055 100644
--- a/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
+++ b/packages/SettingsLib/src/com/android/settingslib/drawer/SettingsDrawerActivity.java
@@ -18,6 +18,7 @@
 import android.annotation.LayoutRes;
 import android.annotation.Nullable;
 import android.app.Activity;
+import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -235,20 +236,24 @@
                     Intent.FLAG_ACTIVITY_CLEAR_TASK));
             return true;
         }
-        int numUserHandles = tile.userHandle.size();
-        if (numUserHandles > 1) {
-            ProfileSelectDialog.show(getFragmentManager(), tile);
-            return false;
-        } else if (numUserHandles == 1) {
-            // Show menu on top level items.
-            tile.intent.putExtra(EXTRA_SHOW_MENU, true);
-            tile.intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
-            startActivityAsUser(tile.intent, tile.userHandle.get(0));
-        } else {
-            // Show menu on top level items.
-            tile.intent.putExtra(EXTRA_SHOW_MENU, true);
-            tile.intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
-            startActivity(tile.intent);
+        try {
+            int numUserHandles = tile.userHandle.size();
+            if (numUserHandles > 1) {
+                ProfileSelectDialog.show(getFragmentManager(), tile);
+                return false;
+            } else if (numUserHandles == 1) {
+                // Show menu on top level items.
+                tile.intent.putExtra(EXTRA_SHOW_MENU, true);
+                tile.intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
+                startActivityAsUser(tile.intent, tile.userHandle.get(0));
+            } else {
+                // Show menu on top level items.
+                tile.intent.putExtra(EXTRA_SHOW_MENU, true);
+                tile.intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
+                startActivity(tile.intent);
+            }
+        } catch (ActivityNotFoundException e) {
+            Log.w(TAG, "Couldn't find tile " + tile.intent, e);
         }
         return true;
     }
diff --git a/packages/Shell/src/com/android/shell/BugreportProgressService.java b/packages/Shell/src/com/android/shell/BugreportProgressService.java
index 20aca0e..85d127c 100644
--- a/packages/Shell/src/com/android/shell/BugreportProgressService.java
+++ b/packages/Shell/src/com/android/shell/BugreportProgressService.java
@@ -302,8 +302,7 @@
             }
             final String action = intent.getAction();
             final int pid = intent.getIntExtra(EXTRA_PID, 0);
-            // TODO: temporarily using pid as id until test cases and dumpstate are changed.
-            final int id = intent.getIntExtra(EXTRA_ID, pid);
+            final int id = intent.getIntExtra(EXTRA_ID, 0);
             final int max = intent.getIntExtra(EXTRA_MAX, -1);
             final String name = intent.getStringExtra(EXTRA_NAME);
 
@@ -474,7 +473,10 @@
                     + info + ")");
             return;
         }
-        Log.v(TAG, "Sending 'Progress' notification for id " + info.id + ": " + percentText);
+        if (DEBUG) {
+            Log.d(TAG, "Sending 'Progress' notification for id " + info.id + "(pid " + info.pid
+                    + "): " + percentText);
+        }
         NotificationManager.from(mContext).notify(TAG, info.id, notification);
     }
 
@@ -541,7 +543,7 @@
             final int pid = info.pid;
             final int id = info.id;
             if (info.finished) {
-                if (DEBUG) Log.v(TAG, "Skipping finished process " + pid + "(id: " + id + ")");
+                if (DEBUG) Log.v(TAG, "Skipping finished process " + pid + " (id: " + id + ")");
                 continue;
             }
             activeProcesses++;
@@ -708,7 +710,7 @@
         }
         final File screenshotFile = new File((String) resultMsg.obj);
 
-        final int msgId;
+        final String msg;
         if (taken) {
             info.addScreenshot(screenshotFile);
             if (info.finished) {
@@ -716,14 +718,13 @@
                 info.renameScreenshots(mScreenshotsDir);
                 sendBugreportNotification(mContext, info);
             }
-            msgId = R.string.bugreport_screenshot_taken;
+            msg = mContext.getString(R.string.bugreport_screenshot_taken);
         } else {
             // TODO: try again using Framework APIs instead of relying on screencap.
-            msgId = R.string.bugreport_screenshot_failed;
+            msg = mContext.getString(R.string.bugreport_screenshot_failed);
+            Toast.makeText(mContext, msg, Toast.LENGTH_SHORT).show();
         }
-        final String msg = mContext.getString(msgId);
         Log.d(TAG, msg);
-        Toast.makeText(mContext, msg, Toast.LENGTH_SHORT).show();
     }
 
     /**
@@ -1125,7 +1126,7 @@
 
     private static boolean setSystemProperty(String key, String value) {
         try {
-            if (DEBUG) Log.v(TAG, "Setting system property" + key + " to " + value);
+            if (DEBUG) Log.v(TAG, "Setting system property " + key + " to " + value);
             SystemProperties.set(key, value);
         } catch (IllegalArgumentException e) {
             Log.e(TAG, "Could not set property " + key + " to " + value, e);
@@ -1249,6 +1250,8 @@
          * Sets its internal state and displays the dialog.
          */
         private void initialize(final Context context, BugreportInfo info) {
+            final String dialogTitle =
+                    context.getString(R.string.bugreport_info_dialog_title, info.id);
             // First initializes singleton.
             if (mDialog == null) {
                 @SuppressLint("InflateParams")
@@ -1272,7 +1275,7 @@
 
                 mDialog = new AlertDialog.Builder(context)
                         .setView(view)
-                        .setTitle(context.getString(R.string.bugreport_info_dialog_title, info.id))
+                        .setTitle(dialogTitle)
                         .setCancelable(false)
                         .setPositiveButton(context.getString(com.android.internal.R.string.ok),
                                 null)
@@ -1297,6 +1300,12 @@
                         new WindowManager.LayoutParams(
                                 WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG));
 
+            } else {
+                // Re-use view, but reset fields first.
+                mDialog.setTitle(dialogTitle);
+                mInfoName.setText(null);
+                mInfoTitle.setText(null);
+                mInfoDescription.setText(null);
             }
 
             // Then set fields.
@@ -1372,7 +1381,7 @@
             // Must update system property for the cases where dumpstate finishes
             // while the user is still entering other fields (like title or
             // description)
-            setBugreportNameProperty(mId, name);
+            setBugreportNameProperty(mPid, name);
         }
 
        /**
@@ -1517,7 +1526,7 @@
             final List<File> renamedFiles = new ArrayList<>(screenshotFiles.size());
             for (File oldFile : screenshotFiles) {
                 final String oldName = oldFile.getName();
-                final String newName = oldName.replace(Integer.toString(pid), name);
+                final String newName = oldName.replaceFirst(Integer.toString(pid), name);
                 final File newFile;
                 if (!newName.equals(oldName)) {
                     final File renamedFile = new File(screenshotDir, newName);
diff --git a/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java b/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
index 8c62670..3cef3bb 100644
--- a/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
+++ b/packages/Shell/tests/src/com/android/shell/BugreportReceiverTest.java
@@ -19,6 +19,7 @@
 import static android.test.MoreAsserts.assertContainsRegex;
 import static com.android.shell.ActionSendMultipleConsumerActivity.UI_NAME;
 import static com.android.shell.BugreportProgressService.EXTRA_BUGREPORT;
+import static com.android.shell.BugreportProgressService.EXTRA_ID;
 import static com.android.shell.BugreportProgressService.EXTRA_MAX;
 import static com.android.shell.BugreportProgressService.EXTRA_NAME;
 import static com.android.shell.BugreportProgressService.EXTRA_PID;
@@ -60,6 +61,7 @@
 import android.support.test.uiautomator.UiDevice;
 import android.support.test.uiautomator.UiObject;
 import android.support.test.uiautomator.UiObjectNotFoundException;
+import android.support.test.uiautomator.UiSelector;
 import android.test.InstrumentationTestCase;
 import android.test.suitebuilder.annotation.LargeTest;
 import android.text.TextUtils;
@@ -98,24 +100,33 @@
     private static final String BUGREPORTS_DIR = "bugreports";
     private static final String BUGREPORT_FILE = "test_bugreport.txt";
     private static final String ZIP_FILE = "test_bugreport.zip";
+    private static final String ZIP_FILE2 = "test_bugreport2.zip";
     private static final String SCREENSHOT_FILE = "test_screenshot.png";
 
     private static final String BUGREPORT_CONTENT = "Dump, might as well dump!\n";
     private static final String SCREENSHOT_CONTENT = "A picture is worth a thousand words!\n";
 
     private static final int PID = 42;
-    private static final String PROGRESS_PROPERTY = "dumpstate.42.progress";
-    private static final String MAX_PROPERTY = "dumpstate.42.max";
-    private static final String NAME_PROPERTY = "dumpstate.42.name";
+    private static final int PID2 = 24;
+    private static final int ID = 108;
+    private static final int ID2 = 801;
+    private static final String PROGRESS_PROPERTY = "dumpstate." + PID + ".progress";
+    private static final String MAX_PROPERTY = "dumpstate." + PID + ".max";
+    private static final String NAME_PROPERTY = "dumpstate." + PID + ".name";
     private static final String NAME = "BUG, Y U NO REPORT?";
+    private static final String NAME2 = "A bugreport's life";
     private static final String NEW_NAME = "Bug_Forrest_Bug";
+    private static final String NEW_NAME2 = "BugsyReportsy";
     private static final String TITLE = "Wimbugdom Champion 2015";
+    private static final String TITLE2 = "Master of the Universe";
+    private static final String DESCRIPTION = "One's description...";
+    private static final String DESCRIPTION2 = "...is another's treasure.";
 
     private static final String NO_DESCRIPTION = null;
     private static final String NO_NAME = null;
     private static final String NO_SCREENSHOT = null;
     private static final String NO_TITLE = null;
-    private static final int NO_PID = 0;
+    private static final int NO_ID = 0;
     private static final boolean RENAMED_SCREENSHOTS = true;
     private static final boolean DIDNT_RENAME_SCREENSHOTS = false;
 
@@ -123,6 +134,7 @@
 
     private String mPlainTextPath;
     private String mZipPath;
+    private String mZipPath2;
     private String mScreenshotPath;
 
     private Context mContext;
@@ -141,10 +153,12 @@
 
         mPlainTextPath = getPath(BUGREPORT_FILE);
         mZipPath = getPath(ZIP_FILE);
+        mZipPath2 = getPath(ZIP_FILE2);
         mScreenshotPath = getPath(SCREENSHOT_FILE);
         createTextFile(mPlainTextPath, BUGREPORT_CONTENT);
         createTextFile(mScreenshotPath, SCREENSHOT_CONTENT);
         createZipFile(mZipPath, BUGREPORT_FILE, BUGREPORT_CONTENT);
+        createZipFile(mZipPath2, BUGREPORT_FILE, BUGREPORT_CONTENT);
 
         // Creates a multi-line description.
         StringBuilder sb = new StringBuilder();
@@ -177,8 +191,8 @@
         assertProgressNotification(NAME, nf.format(0.25));
 
         Bundle extras =
-                sendBugreportFinishedAndGetSharedIntent(PID, mPlainTextPath, mScreenshotPath);
-        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, PID, ZIP_FILE,
+                sendBugreportFinishedAndGetSharedIntent(ID, mPlainTextPath, mScreenshotPath);
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, ID, PID, ZIP_FILE,
                 NAME, NO_TITLE, NO_DESCRIPTION, 1, RENAMED_SCREENSHOTS);
 
         assertServiceNotRunning();
@@ -201,15 +215,15 @@
         assertScreenshotButtonEnabled(false);
         waitForScreenshotButtonEnabled(true);
 
-        sendBugreportFinished(PID, mPlainTextPath, mScreenshotPath);
+        sendBugreportFinished(ID, mPlainTextPath, mScreenshotPath);
 
         if (serviceDies) {
-            waitShareNotification(PID);
+            waitShareNotification(ID);
             killService();
         }
 
-        Bundle extras = acceptBugreportAndGetSharedIntent(PID);
-        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, PID, ZIP_FILE,
+        Bundle extras = acceptBugreportAndGetSharedIntent(ID);
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, ID, PID, ZIP_FILE,
                 NAME, NO_TITLE, NO_DESCRIPTION, 2, RENAMED_SCREENSHOTS);
 
         assertServiceNotRunning();
@@ -227,8 +241,8 @@
         resetProperties();
 
         sendBugreportStarted(1000);
-        sendBugreportFinished(PID, mPlainTextPath, NO_SCREENSHOT);
-        waitShareNotification(PID);
+        sendBugreportFinished(ID, mPlainTextPath, NO_SCREENSHOT);
+        waitShareNotification(ID);
 
         // There's no indication in the UI about the screenshot finish, so just sleep like a baby...
         Thread.sleep(SAFE_SCREENSHOT_DELAY * DateUtils.SECOND_IN_MILLIS);
@@ -237,8 +251,8 @@
             killService();
         }
 
-        Bundle extras = acceptBugreportAndGetSharedIntent(PID);
-        assertActionSendMultiple(extras, BUGREPORT_CONTENT, NO_SCREENSHOT, PID, ZIP_FILE,
+        Bundle extras = acceptBugreportAndGetSharedIntent(ID);
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, NO_SCREENSHOT, ID, PID, ZIP_FILE,
                 NAME, NO_TITLE, NO_DESCRIPTION, 1, RENAMED_SCREENSHOTS);
 
         assertServiceNotRunning();
@@ -249,11 +263,10 @@
         sendBugreportStarted(1000);
         waitForScreenshotButtonEnabled(true);
 
-        DetailsUi detailsUi = new DetailsUi(mUiBot, PID);
+        DetailsUi detailsUi = new DetailsUi(mUiBot, ID);
 
         // Check initial name.
-        String actualName = detailsUi.nameField.getText().toString();
-        assertEquals("Wrong value on field 'name'", NAME, actualName);
+        detailsUi.assertName(NAME);
 
         // Change name - it should have changed system property once focus is changed.
         detailsUi.nameField.setText(NEW_NAME);
@@ -281,9 +294,9 @@
         assertPropertyValue(NAME_PROPERTY, NEW_NAME);
         assertProgressNotification(NEW_NAME, "0.00%");
 
-        Bundle extras = sendBugreportFinishedAndGetSharedIntent(PID, mPlainTextPath,
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(ID, mPlainTextPath,
                 mScreenshotPath);
-        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, PID, TITLE,
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, ID, PID, TITLE,
                 NEW_NAME, TITLE, mDescription, 1, RENAMED_SCREENSHOTS);
 
         assertServiceNotRunning();
@@ -302,11 +315,10 @@
         sendBugreportStarted(1000);
         waitForScreenshotButtonEnabled(true);
 
-        DetailsUi detailsUi = new DetailsUi(mUiBot, PID);
+        DetailsUi detailsUi = new DetailsUi(mUiBot, ID);
 
         // Check initial name.
-        String actualName = detailsUi.nameField.getText().toString();
-        assertEquals("Wrong value on field 'name'", NAME, actualName);
+        detailsUi.assertName(NAME);
 
         // Change fields.
         detailsUi.reOpen();
@@ -319,9 +331,9 @@
         assertPropertyValue(NAME_PROPERTY, NEW_NAME);
         assertProgressNotification(NEW_NAME, "0.00%");
 
-        Bundle extras = sendBugreportFinishedAndGetSharedIntent(PID,
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(ID,
                 plainText? mPlainTextPath : mZipPath, mScreenshotPath);
-        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, PID, TITLE,
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, ID, PID, TITLE,
                 NEW_NAME, TITLE, mDescription, 1, RENAMED_SCREENSHOTS);
 
         assertServiceNotRunning();
@@ -332,20 +344,66 @@
         sendBugreportStarted(1000);
         waitForScreenshotButtonEnabled(true);
 
-        DetailsUi detailsUi = new DetailsUi(mUiBot, PID);
+        DetailsUi detailsUi = new DetailsUi(mUiBot, ID);
 
         detailsUi.nameField.setText("");
         detailsUi.titleField.setText("");
         detailsUi.descField.setText(mDescription);
         detailsUi.clickOk();
 
-        Bundle extras = sendBugreportFinishedAndGetSharedIntent(PID, mZipPath, mScreenshotPath);
-        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, PID, ZIP_FILE,
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(ID, mZipPath, mScreenshotPath);
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, ID, PID, ZIP_FILE,
                 NO_NAME, NO_TITLE, mDescription, 1, DIDNT_RENAME_SCREENSHOTS);
 
         assertServiceNotRunning();
     }
 
+    /*
+     * TODO: this test can be flanky because it relies in the order the notifications are displayed,
+     * since mUiBot gets the first notification.
+     * Ideally, openProgressNotification() should return the whole notification, so DetailsUi
+     * could use it and find children instead, but unfortunately the notification object hierarchy
+     * is too complex and getting it from the notification text object would be to fragile
+     * (for instance, it could require navigating many parents up in the hierarchy).
+     */
+    public void testProgress_changeJustDetailsIsClearedOnSecondBugreport() throws Exception {
+        resetProperties();
+        sendBugreportStarted(ID, PID, NAME, 1000);
+        waitForScreenshotButtonEnabled(true);
+
+        DetailsUi detailsUi = new DetailsUi(mUiBot, ID);
+        detailsUi.assertName(NAME);
+        detailsUi.assertTitle(mContext.getString(R.string.bugreport_info_title));
+        detailsUi.assertDescription(mContext.getString(R.string.bugreport_info_description));
+        detailsUi.nameField.setText(NEW_NAME);
+        detailsUi.titleField.setText(TITLE);
+        detailsUi.descField.setText(DESCRIPTION);
+        detailsUi.clickOk();
+
+        sendBugreportStarted(ID2, PID2, NAME2, 1000);
+
+        Bundle extras = sendBugreportFinishedAndGetSharedIntent(ID, mZipPath, mScreenshotPath);
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, ID, PID, TITLE,
+                NEW_NAME, TITLE, DESCRIPTION, 1, RENAMED_SCREENSHOTS);
+
+        detailsUi = new DetailsUi(mUiBot, ID2);
+        detailsUi.assertName(NAME2);
+        detailsUi.assertTitle(mContext.getString(R.string.bugreport_info_title));
+        detailsUi.assertDescription(mContext.getString(R.string.bugreport_info_description));
+        detailsUi.nameField.setText(NEW_NAME2);
+        detailsUi.titleField.setText(TITLE2);
+        detailsUi.descField.setText(DESCRIPTION2);
+        detailsUi.clickOk();
+
+        // Must use a different zip file otherwise it will fail because zip already contains
+        // title.txt and description.txt entries.
+        extras = sendBugreportFinishedAndGetSharedIntent(ID2, mZipPath2, NO_SCREENSHOT);
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, NO_SCREENSHOT, ID2, PID2, TITLE2,
+                NEW_NAME2, TITLE2, DESCRIPTION2, 1, RENAMED_SCREENSHOTS);
+
+        assertServiceNotRunning();
+    }
+
     /**
      * Tests the scenario where the initial screenshot and dumpstate are finished while the user
      * is changing the info in the details screen.
@@ -369,14 +427,14 @@
             waitForScreenshotButtonEnabled(true);
         }
 
-        DetailsUi detailsUi = new DetailsUi(mUiBot, PID);
+        DetailsUi detailsUi = new DetailsUi(mUiBot, ID);
 
         // Finish the bugreport while user's still typing the name.
         detailsUi.nameField.setText(NEW_NAME);
-        sendBugreportFinished(PID, mPlainTextPath, mScreenshotPath);
+        sendBugreportFinished(ID, mPlainTextPath, mScreenshotPath);
 
         // Wait until the share notification is received...
-        waitShareNotification(PID);
+        waitShareNotification(ID);
         // ...then close notification bar.
         mContext.sendBroadcast(new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS));
 
@@ -390,8 +448,8 @@
         detailsUi.clickOk();
 
         // Finally, share bugreport.
-        Bundle extras = acceptBugreportAndGetSharedIntent(PID);
-        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, PID, TITLE,
+        Bundle extras = acceptBugreportAndGetSharedIntent(ID);
+        assertActionSendMultiple(extras, BUGREPORT_CONTENT, SCREENSHOT_CONTENT, ID, PID, TITLE,
                 NAME, TITLE, mDescription, 1, RENAMED_SCREENSHOTS);
 
         assertServiceNotRunning();
@@ -402,8 +460,8 @@
         BugreportPrefs.setWarningState(mContext, BugreportPrefs.STATE_SHOW);
 
         // Send notification and click on share.
-        sendBugreportFinished(NO_PID, mPlainTextPath, null);
-        acceptBugreport(NO_PID);
+        sendBugreportFinished(NO_ID, mPlainTextPath, null);
+        acceptBugreport(NO_ID);
 
         // Handle the warning
         mUiBot.getVisibleObject(mContext.getString(R.string.bugreport_confirm));
@@ -425,9 +483,9 @@
     }
 
     public void testShareBugreportAfterServiceDies() throws Exception {
-        sendBugreportFinished(NO_PID, mPlainTextPath, NO_SCREENSHOT);
+        sendBugreportFinished(NO_ID, mPlainTextPath, NO_SCREENSHOT);
         killService();
-        Bundle extras = acceptBugreportAndGetSharedIntent(NO_PID);
+        Bundle extras = acceptBugreportAndGetSharedIntent(NO_ID);
         assertActionSendMultiple(extras, BUGREPORT_CONTENT, NO_SCREENSHOT);
     }
 
@@ -463,32 +521,38 @@
     private void assertProgressNotification(String name, String percent) {
         // TODO: it currently looks for 3 distinct objects, without taking advantage of their
         // relationship.
-        openProgressNotification(PID);
+        openProgressNotification(ID);
         Log.v(TAG, "Looking for progress notification details: '" + name + "-" + percent + "'");
         mUiBot.getObject(name);
         mUiBot.getObject(percent);
     }
 
-    private void openProgressNotification(int pid) {
-        String title = mContext.getString(R.string.bugreport_in_progress_title, pid);
+    private void openProgressNotification(int id) {
+        String title = mContext.getString(R.string.bugreport_in_progress_title, id);
         Log.v(TAG, "Looking for progress notification title: '" + title + "'");
         mUiBot.getNotification(title);
     }
 
     void resetProperties() {
         // TODO: call method to remove property instead
-        SystemProperties.set(PROGRESS_PROPERTY, "0");
-        SystemProperties.set(MAX_PROPERTY, "0");
+        SystemProperties.set(PROGRESS_PROPERTY, "Reset");
+        SystemProperties.set(MAX_PROPERTY, "Reset");
+        SystemProperties.set(NAME_PROPERTY, "Reset");
     }
 
     /**
      * Sends a "bugreport started" intent with the default values.
      */
     private void sendBugreportStarted(int max) throws Exception {
+        sendBugreportStarted(ID, PID, NAME, max);
+    }
+
+    private void sendBugreportStarted(int id, int pid, String name, int max) throws Exception {
         Intent intent = new Intent(INTENT_BUGREPORT_STARTED);
         intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
-        intent.putExtra(EXTRA_PID, PID);
-        intent.putExtra(EXTRA_NAME, NAME);
+        intent.putExtra(EXTRA_ID, id);
+        intent.putExtra(EXTRA_PID, pid);
+        intent.putExtra(EXTRA_NAME, name);
         intent.putExtra(EXTRA_MAX, max);
         mContext.sendBroadcast(intent);
     }
@@ -500,7 +564,7 @@
      */
     private Bundle sendBugreportFinishedAndGetSharedIntent(String bugreportPath,
             String screenshotPath) {
-        return sendBugreportFinishedAndGetSharedIntent(NO_PID, bugreportPath, screenshotPath);
+        return sendBugreportFinishedAndGetSharedIntent(NO_ID, bugreportPath, screenshotPath);
     }
 
     /**
@@ -508,10 +572,10 @@
      *
      * @return extras sent in the shared intent.
      */
-    private Bundle sendBugreportFinishedAndGetSharedIntent(int pid, String bugreportPath,
+    private Bundle sendBugreportFinishedAndGetSharedIntent(int id, String bugreportPath,
             String screenshotPath) {
-        sendBugreportFinished(pid, bugreportPath, screenshotPath);
-        return acceptBugreportAndGetSharedIntent(pid);
+        sendBugreportFinished(id, bugreportPath, screenshotPath);
+        return acceptBugreportAndGetSharedIntent(id);
     }
 
     /**
@@ -519,8 +583,8 @@
      *
      * @return extras sent in the shared intent.
      */
-    private Bundle acceptBugreportAndGetSharedIntent(int pid) {
-        acceptBugreport(pid);
+    private Bundle acceptBugreportAndGetSharedIntent(int id) {
+        acceptBugreport(id);
         mUiBot.chooseActivity(UI_NAME);
         return mListener.getExtras();
     }
@@ -528,25 +592,25 @@
     /**
      * Waits for the notification to share the finished bugreport.
      */
-    private void waitShareNotification(int pid) {
-        mUiBot.getNotification(mContext.getString(R.string.bugreport_finished_title, pid));
+    private void waitShareNotification(int id) {
+        mUiBot.getNotification(mContext.getString(R.string.bugreport_finished_title, id));
     }
 
     /**
      * Accepts the notification to share the finished bugreport.
      */
-    private void acceptBugreport(int pid) {
-        mUiBot.clickOnNotification(mContext.getString(R.string.bugreport_finished_title, pid));
+    private void acceptBugreport(int id) {
+        mUiBot.clickOnNotification(mContext.getString(R.string.bugreport_finished_title, id));
     }
 
     /**
      * Sends a "bugreport finished" intent.
      */
-    private void sendBugreportFinished(int pid, String bugreportPath, String screenshotPath) {
+    private void sendBugreportFinished(int id, String bugreportPath, String screenshotPath) {
         Intent intent = new Intent(INTENT_BUGREPORT_FINISHED);
         intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
-        if (pid != NO_PID) {
-            intent.putExtra(EXTRA_PID, pid);
+        if (id != NO_ID) {
+            intent.putExtra(EXTRA_ID, id);
         }
         if (bugreportPath != null) {
             intent.putExtra(EXTRA_BUGREPORT, bugreportPath);
@@ -563,7 +627,7 @@
      */
     private void assertActionSendMultiple(Bundle extras, String bugreportContent,
             String screenshotContent) throws IOException {
-        assertActionSendMultiple(extras, bugreportContent, screenshotContent, PID, ZIP_FILE,
+        assertActionSendMultiple(extras, bugreportContent, screenshotContent, ID, PID, ZIP_FILE,
                 NO_NAME, NO_TITLE, NO_DESCRIPTION, 0, DIDNT_RENAME_SCREENSHOTS);
     }
 
@@ -573,6 +637,7 @@
      * @param extras extras received in the intent
      * @param bugreportContent expected content in the bugreport file
      * @param screenshotContent expected content in the screenshot file (sent by dumpstate), if any
+     * @param id emulated dumpstate id
      * @param pid emulated dumpstate pid
      * @param name expected subject
      * @param name bugreport name as provided by the user (or received by dumpstate)
@@ -582,7 +647,7 @@
      * @param renamedScreenshots whether the screenshots are expected to be renamed
      */
     private void assertActionSendMultiple(Bundle extras, String bugreportContent,
-            String screenshotContent, int pid, String subject,
+            String screenshotContent, int id, int pid, String subject,
             String name, String title, String description,
             int numberScreenshots, boolean renamedScreenshots) throws IOException {
         String body = extras.getString(Intent.EXTRA_TEXT);
@@ -745,7 +810,7 @@
         fail("Service status didn't change to " + expectRunning);
     }
 
-    private static void createTextFile(String path, String content) throws IOException {
+    private void createTextFile(String path, String content) throws IOException {
         Log.v(TAG, "createFile(" + path + ")");
         try (Writer writer = new BufferedWriter(new OutputStreamWriter(
                 new FileOutputStream(path)))) {
@@ -781,7 +846,7 @@
      * Gets the notification button used to take a screenshot.
      */
     private UiObject getScreenshotButton() {
-        openProgressNotification(PID);
+        openProgressNotification(ID);
         return mUiBot.getVisibleObject(
                 mContext.getString(R.string.bugreport_screenshot_action).toUpperCase());
     }
@@ -833,15 +898,16 @@
         /**
          * Gets the UI objects by opening the progress notification and clicking DETAILS.
          */
-        DetailsUi(UiBot uiBot, int pid) throws UiObjectNotFoundException {
-            openProgressNotification(pid);
-            detailsButton = mUiBot.getVisibleObject(
-                    mContext.getString(R.string.bugreport_info_action).toUpperCase());
+        DetailsUi(UiBot uiBot, int id) throws UiObjectNotFoundException {
+            openProgressNotification(id);
+            detailsButton = mUiBot.getVisibleObject(mContext.getString(
+                    R.string.bugreport_info_action).toUpperCase());
+
             mUiBot.click(detailsButton, "details_button");
             // TODO: unhardcode resource ids
             UiObject dialogTitle = mUiBot.getVisibleObjectById("android:id/alertTitle");
             assertEquals("Wrong title", mContext.getString(R.string.bugreport_info_dialog_title,
-                    pid), dialogTitle.getText().toString());
+                    id), dialogTitle.getText().toString());
             nameField = mUiBot.getVisibleObjectById("com.android.shell:id/name");
             titleField = mUiBot.getVisibleObjectById("com.android.shell:id/title");
             descField = mUiBot.getVisibleObjectById("com.android.shell:id/description");
@@ -849,6 +915,28 @@
             cancelButton = mUiBot.getObjectById("android:id/button2");
         }
 
+        private void assertField(String name, UiObject field, String expected) {
+            try {
+                String actual = field.getText().toString();
+                assertEquals("Wrong value on field '" + name + "'", expected, actual);
+            } catch (UiObjectNotFoundException e) {
+                // Should not happen...
+                throw new IllegalStateException("field not found: " + name, e);
+            }
+        }
+
+        void assertName(String expected) {
+            assertField("name", nameField, expected);
+        }
+
+        void assertTitle(String expected) {
+            assertField("title", titleField, expected);
+        }
+
+        void assertDescription(String expected) {
+            assertField("description", descField, expected);
+        }
+
         /**
          * Takes focus away from the name field so it can be validated.
          */
@@ -858,7 +946,7 @@
         }
 
         void reOpen() {
-            openProgressNotification(PID);
+            openProgressNotification(ID);
             mUiBot.click(detailsButton, "details_button");
 
         }
diff --git a/packages/SystemUI/Android.mk b/packages/SystemUI/Android.mk
index 88313bb..ad3c26b 100644
--- a/packages/SystemUI/Android.mk
+++ b/packages/SystemUI/Android.mk
@@ -1,10 +1,24 @@
 LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := SystemUI-proto-tags
+
+LOCAL_SRC_FILES := $(call all-proto-files-under,src) \
+    src/com/android/systemui/EventLogTags.logtags
+
+LOCAL_PROTOC_OPTIMIZE_TYPE := nano
+LOCAL_PROTO_JAVA_OUTPUT_PARAMS := optional_field_style=accessors
+
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+# ------------------
+
 include $(CLEAR_VARS)
 
 LOCAL_MODULE_TAGS := optional
 
-LOCAL_SRC_FILES := $(call all-java-files-under, src) $(call all-proto-files-under,src) $(call all-Iaidl-files-under, src) \
-    src/com/android/systemui/EventLogTags.logtags
+LOCAL_SRC_FILES := $(call all-java-files-under, src) $(call all-Iaidl-files-under, src)
 
 LOCAL_STATIC_JAVA_LIBRARIES := \
     Keyguard \
@@ -13,13 +27,12 @@
     android-support-v7-appcompat \
     android-support-v14-preference \
     android-support-v17-leanback \
-    framework-protos
+    framework-protos \
+    SystemUI-proto-tags
 
 LOCAL_JAVA_LIBRARIES := telephony-common
 
 LOCAL_PACKAGE_NAME := SystemUI
-LOCAL_PROTOC_OPTIMIZE_TYPE := nano
-LOCAL_PROTO_JAVA_OUTPUT_PARAMS := optional_field_style=accessors
 LOCAL_CERTIFICATE := platform
 LOCAL_PRIVILEGED_MODULE := true
 
diff --git a/packages/SystemUI/res/drawable/tv_pip_button_focused.xml b/packages/SystemUI/res/drawable/tv_pip_button_focused.xml
new file mode 100644
index 0000000..5cabb77a
--- /dev/null
+++ b/packages/SystemUI/res/drawable/tv_pip_button_focused.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <size
+        android:width="36dp"
+        android:height="36dp" />
+    <solid
+        android:color="#4DFFFFFF" />
+</shape>
diff --git a/packages/SystemUI/res/drawable/tv_pip_close_button.xml b/packages/SystemUI/res/drawable/tv_pip_close_button.xml
new file mode 100644
index 0000000..86fda0d
--- /dev/null
+++ b/packages/SystemUI/res/drawable/tv_pip_close_button.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:constantSize="true">
+    <item android:state_focused="true">
+        <layer-list>
+            <item android:drawable="@drawable/tv_pip_button_focused" />
+            <item android:drawable="@drawable/ic_close_white" />
+        </layer-list>
+    </item>
+    <item android:drawable="@drawable/ic_close_white" />
+</selector>
diff --git a/packages/SystemUI/res/drawable/tv_pip_full_button.xml b/packages/SystemUI/res/drawable/tv_pip_full_button.xml
new file mode 100644
index 0000000..332c669
--- /dev/null
+++ b/packages/SystemUI/res/drawable/tv_pip_full_button.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:constantSize="true">
+    <item android:state_focused="true">
+        <layer-list>
+            <item android:drawable="@drawable/tv_pip_button_focused" />
+            <item android:drawable="@drawable/ic_fullscreen_white_24dp" />
+        </layer-list>
+    </item>
+    <item android:drawable="@drawable/ic_fullscreen_white_24dp" />
+</selector>
diff --git a/packages/SystemUI/res/drawable/tv_pip_pause_button.xml b/packages/SystemUI/res/drawable/tv_pip_pause_button.xml
new file mode 100644
index 0000000..d277b07
--- /dev/null
+++ b/packages/SystemUI/res/drawable/tv_pip_pause_button.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:constantSize="true">
+    <item android:state_focused="true">
+        <layer-list>
+            <item android:drawable="@drawable/tv_pip_button_focused" />
+            <item android:drawable="@drawable/ic_pause_white_24dp" />
+        </layer-list>
+    </item>
+    <item android:drawable="@drawable/ic_pause_white_24dp" />
+</selector>
diff --git a/packages/SystemUI/res/layout/docked_stack_divider.xml b/packages/SystemUI/res/layout/docked_stack_divider.xml
index 7ea5027..cfaf018 100644
--- a/packages/SystemUI/res/layout/docked_stack_divider.xml
+++ b/packages/SystemUI/res/layout/docked_stack_divider.xml
@@ -27,6 +27,7 @@
     <com.android.systemui.stackdivider.DividerHandleView
         style="@style/DockedDividerHandle"
         android:id="@+id/docked_divider_handle"
+        android:contentDescription="@string/accessibility_divider"
         android:background="@null"/>
 
 </com.android.systemui.stackdivider.DividerView>
diff --git a/packages/SystemUI/res/layout/qs_panel.xml b/packages/SystemUI/res/layout/qs_panel.xml
index 3ee2475..994d3c9 100644
--- a/packages/SystemUI/res/layout/qs_panel.xml
+++ b/packages/SystemUI/res/layout/qs_panel.xml
@@ -28,9 +28,7 @@
             android:layout_marginTop="@dimen/status_bar_header_height"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingBottom="8dp"
-            android:clipToPadding="false"
-            android:clipChildren="false" />
+            android:paddingBottom="8dp" />
 
     <include layout="@layout/quick_status_bar_expanded_header" />
 
diff --git a/packages/SystemUI/res/layout/recents_task_view_header.xml b/packages/SystemUI/res/layout/recents_task_view_header.xml
index 2e41561..fa65758 100644
--- a/packages/SystemUI/res/layout/recents_task_view_header.xml
+++ b/packages/SystemUI/res/layout/recents_task_view_header.xml
@@ -30,21 +30,41 @@
         android:paddingBottom="8dp"
         android:paddingStart="12dp"
         android:paddingEnd="16dp" />
-    <TextView
-        android:id="@+id/title"
+    <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_gravity="center_vertical|start"
         android:layout_marginStart="56dp"
-        android:layout_marginEnd="112dp"
-        android:textSize="16sp"
-        android:textColor="#ffffffff"
-        android:text="@string/recents_empty_message"
-        android:fontFamily="sans-serif-medium"
-        android:singleLine="true"
-        android:maxLines="2"
-        android:ellipsize="marquee"
-        android:fadingEdge="horizontal" />
+        android:layout_marginEnd="56dp"
+        android:orientation="vertical">
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="start"
+            android:textSize="16sp"
+            android:textColor="#ffffffff"
+            android:text="@string/recents_empty_message"
+            android:fontFamily="sans-serif-medium"
+            android:singleLine="true"
+            android:maxLines="1"
+            android:ellipsize="marquee"
+            android:fadingEdge="horizontal" />
+        <TextView
+            android:id="@+id/sub_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="start"
+            android:textSize="11sp"
+            android:textColor="#ffffffff"
+            android:text="@string/recents_launch_non_dockable_task_label"
+            android:fontFamily="sans-serif-medium"
+            android:singleLine="true"
+            android:maxLines="1"
+            android:ellipsize="marquee"
+            android:fadingEdge="horizontal"
+            android:visibility="gone" />
+    </LinearLayout>
     <com.android.systemui.recents.views.FixedSizeImageView
         android:id="@+id/move_task"
         android:layout_width="@dimen/recents_task_view_header_button_width"
diff --git a/packages/SystemUI/res/layout/tv_pip_menu.xml b/packages/SystemUI/res/layout/tv_pip_menu.xml
index 3562c644..0b98d0e 100644
--- a/packages/SystemUI/res/layout/tv_pip_menu.xml
+++ b/packages/SystemUI/res/layout/tv_pip_menu.xml
@@ -18,36 +18,94 @@
 -->
 
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
-    android:layout_width="wrap_content"
+    android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:layout_gravity="end"
-    android:paddingStart="10dp"
-    android:paddingEnd="10dp"
-    android:background="#88FFFFFF"
-    android:gravity="center_vertical" >
+    android:orientation="horizontal"
+    android:paddingTop="350dp"
+    android:background="#CC000000"
+    android:gravity="top|center_horizontal"
+    android:clipChildren="false">
 
-    <Button android:id="@+id/full"
-        android:layout_width="match_parent"
+    <LinearLayout
+        android:layout_width="34dp"
         android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
-        android:text="@string/pip_fullscreen"
-        android:textSize="10sp"
-        android:focusable="true" />
+        android:layout_marginEnd="3dp"
+        android:orientation="vertical"
+        android:gravity="center"
+        android:clipChildren="false">
 
-    <Button android:id="@+id/exit"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
-        android:text="@string/pip_exit"
-        android:textSize="10sp"
-        android:focusable="true" />
+        <ImageView android:id="@+id/full"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:focusable="true"
+            android:src="@drawable/tv_pip_full_button" />
 
-    <Button android:id="@+id/cancel"
-        android:layout_width="match_parent"
+        <TextView android:id="@+id/full_desc"
+            android:layout_width="100dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="3dp"
+            android:gravity="center"
+            android:visibility="invisible"
+            android:text="@string/pip_fullscreen"
+            android:fontFamily="sans-serif"
+            android:textSize="12sp"
+            android:textColor="#EEEEEE"
+            android:clipChildren="false" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="34dp"
         android:layout_height="wrap_content"
-        android:layout_gravity="center_vertical"
-        android:text="@string/pip_cancel"
-        android:textSize="10sp"
-        android:focusable="true" />
+        android:layout_marginStart="3dp"
+        android:layout_marginEnd="3dp"
+        android:orientation="vertical"
+        android:gravity="center"
+        android:visibility="gone"
+        android:clipChildren="false">
+
+        <ImageView android:id="@+id/play_pause"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:focusable="true"
+            android:src="@drawable/tv_pip_pause_button" />
+
+        <TextView android:id="@+id/play_pause_desc"
+            android:layout_width="100dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="3dp"
+            android:gravity="center"
+            android:visibility="invisible"
+            android:text="@string/pip_pause"
+            android:fontFamily="sans-serif"
+            android:textSize="12sp"
+            android:textColor="#EEEEEE"
+            android:clipChildren="false" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="34dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="3dp"
+        android:orientation="vertical"
+        android:gravity="center"
+        android:clipChildren="false">
+
+        <ImageView android:id="@+id/close"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:focusable="true"
+            android:src="@drawable/tv_pip_close_button" />
+
+        <TextView android:id="@+id/close_desc"
+            android:layout_width="100dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="3dp"
+            android:gravity="center"
+            android:visibility="invisible"
+            android:text="@string/pip_close"
+            android:fontFamily="sans-serif"
+            android:textSize="12sp"
+            android:textColor="#EEEEEE"
+            android:clipChildren="false" />
+    </LinearLayout>
 </LinearLayout>
diff --git a/packages/SystemUI/res/values-sw600dp/styles.xml b/packages/SystemUI/res/values-sw600dp/styles.xml
index 4d7d6b5..791d761 100644
--- a/packages/SystemUI/res/values-sw600dp/styles.xml
+++ b/packages/SystemUI/res/values-sw600dp/styles.xml
@@ -16,7 +16,7 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android">
     <style name="BrightnessDialogContainer" parent="@style/BaseBrightnessDialogContainer">
-        <item name="android:layout_width">480dp</item>
+        <item name="android:layout_width">@dimen/standard_notification_panel_width</item>
     </style>
 
     <style name="UserDetailView">
diff --git a/packages/SystemUI/res/values/ids.xml b/packages/SystemUI/res/values/ids.xml
index 87aedab..b9eee2e 100644
--- a/packages/SystemUI/res/values/ids.xml
+++ b/packages/SystemUI/res/values/ids.xml
@@ -44,6 +44,10 @@
     <item type="id" name="notification_screenshot"/>
     <item type="id" name="notification_hidden"/>
     <item type="id" name="notification_volumeui"/>
+    <item type="id" name="transformation_start_x_tag"/>
+    <item type="id" name="transformation_start_y_tag"/>
+    <item type="id" name="transformation_start_scale_x_tag"/>
+    <item type="id" name="transformation_start_scale_y_tag"/>
 
     <!-- Whether the icon is from a notification for which targetSdk < L -->
     <item type="id" name="icon_is_pre_L"/>
@@ -56,5 +60,11 @@
     <item type="id" name="image_icon_tag" />
     <item type="id" name="contains_transformed_view" />
     <item type="id" name="is_clicked_heads_up_tag" />
+
+    <!-- Accessibility actions for the docked stack divider -->
+    <item type="id" name="action_move_left" />
+    <item type="id" name="action_move_right" />
+    <item type="id" name="action_move_up" />
+    <item type="id" name="action_move_down" />
 </resources>
 
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 6f6e515..ac6e3ac 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -722,6 +722,10 @@
     <string name="recents_history_button_label">History</string>
     <!-- Recents: History clear all string. [CHAR LIMIT=NONE] -->
     <string name="recents_history_clear_all_button_label">Clear</string>
+    <!-- Recents: Non-dockable task drag message. [CHAR LIMIT=NONE] -->
+    <string name="recents_drag_non_dockable_task_message">This app does not support multi-window</string>
+    <!-- Recents: Non-dockable task launch sub header. [CHAR LIMIT=NONE] -->
+    <string name="recents_launch_non_dockable_task_label">App does not support multi-window</string>
 
     <!-- Recents: MultiStack add stack split horizontal radio button. [CHAR LIMIT=NONE] -->
     <string name="recents_multistack_add_stack_dialog_split_horizontal">Split Horizontal</string>
@@ -1430,4 +1434,18 @@
         <item>Don\'t show this icon</item>
     </string-array>
 
+    <!-- Accessibility label for the divider that separates the windows in split-screen mode [CHAR LIMIT=NONE] -->
+    <string name="accessibility_divider">Split-screen divider</string>
+
+    <!-- Accessibility action for moving down the docked stack divider [CHAR LIMIT=NONE] -->
+    <string name="accessibility_action_divider_move_down">Move down</string>
+
+    <!-- Accessibility action for moving down the docked stack divider [CHAR LIMIT=NONE] -->
+    <string name="accessibility_action_divider_move_up">Move up</string>
+
+    <!-- Accessibility action for moving down the docked stack divider [CHAR LIMIT=NONE] -->
+    <string name="accessibility_action_divider_move_left">Move left</string>
+
+    <!-- Accessibility action for moving down the docked stack divider [CHAR LIMIT=NONE] -->
+    <string name="accessibility_action_divider_move_right">Move right</string>
 </resources>
diff --git a/packages/SystemUI/res/values/strings_tv.xml b/packages/SystemUI/res/values/strings_tv.xml
index 7c4768d..9ef0343 100644
--- a/packages/SystemUI/res/values/strings_tv.xml
+++ b/packages/SystemUI/res/values/strings_tv.xml
@@ -20,7 +20,7 @@
     <!-- Picture-in-Picture menu -->
     <eat-comment />
     <!-- Button to close PIP on PIP UI -->
-    <string name="pip_exit" translatable="false">Close PIP</string>
+    <string name="pip_close" translatable="false">Close PIP</string>
     <!-- Button to move PIP screen to the fullscreen on PIP UI -->
     <string name="pip_fullscreen" translatable="false">Full screen</string>
     <!-- Button to play the current media on PIP UI -->
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/FalsingManager.java b/packages/SystemUI/src/com/android/systemui/classifier/FalsingManager.java
index 735a7c4..c09376b 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/FalsingManager.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/FalsingManager.java
@@ -23,6 +23,7 @@
 import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
 import android.os.Handler;
+import android.os.PowerManager;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.view.MotionEvent;
@@ -64,6 +65,7 @@
     private boolean mBouncerOn = false;
     private boolean mSessionActive = false;
     private int mState = StatusBarState.SHADE;
+    private boolean mScreenOn;
 
     protected final ContentObserver mSettingsObserver = new ContentObserver(mHandler) {
         @Override
@@ -77,6 +79,7 @@
         mSensorManager = (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE);
         mDataCollector = DataCollector.getInstance(mContext);
         mHumanInteractionClassifier = HumanInteractionClassifier.getInstance(mContext);
+        mScreenOn = context.getSystemService(PowerManager.class).isInteractive();
 
         mContext.getContentResolver().registerContentObserver(
                 Settings.Secure.getUriFor(ENFORCE_BOUNCER), false,
@@ -98,17 +101,21 @@
                 ENFORCE_BOUNCER, 0);
     }
 
+    private boolean shouldSessionBeActive() {
+        return isEnabled() && mScreenOn &&
+                (mState == StatusBarState.KEYGUARD || mState == StatusBarState.SHADE_LOCKED);
+    }
+
     private boolean sessionEntrypoint() {
-        if (!mSessionActive && isEnabled() &&
-                (mState == StatusBarState.KEYGUARD || mState == StatusBarState.SHADE_LOCKED)) {
+        if (!mSessionActive && shouldSessionBeActive()) {
             onSessionStart();
             return true;
         }
         return false;
     }
 
-    private void sessionExitpoint() {
-        if (mSessionActive) {
+    private void sessionExitpoint(boolean force) {
+        if (mSessionActive && (force || !shouldSessionBeActive())) {
             mSessionActive = false;
             mSensorManager.unregisterListener(this);
         }
@@ -167,15 +174,22 @@
 
     public void setStatusBarState(int state) {
         mState = state;
+        if (shouldSessionBeActive()) {
+            sessionEntrypoint();
+        } else {
+            sessionExitpoint(false /* force */);
+        }
     }
 
     public void onScreenTurningOn() {
+        mScreenOn = true;
         if (sessionEntrypoint()) {
             mDataCollector.onScreenTurningOn();
         }
     }
 
     public void onScreenOnFromTouch() {
+        mScreenOn = true;
         if (sessionEntrypoint()) {
             mDataCollector.onScreenOnFromTouch();
         }
@@ -183,12 +197,13 @@
 
     public void onScreenOff() {
         mDataCollector.onScreenOff();
-        sessionExitpoint();
+        mScreenOn = false;
+        sessionExitpoint(false /* force */);
     }
 
     public void onSucccessfulUnlock() {
         mDataCollector.onSucccessfulUnlock();
-        sessionExitpoint();
+        sessionExitpoint(true /* force */);
     }
 
     public void onBouncerShown() {
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/HumanInteractionClassifier.java b/packages/SystemUI/src/com/android/systemui/classifier/HumanInteractionClassifier.java
index 7ddbdf0..45eb9ad 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/HumanInteractionClassifier.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/HumanInteractionClassifier.java
@@ -119,7 +119,7 @@
             return;
         }
 
-        // If the user is dragging down the notification, he might want to drag it down
+        // If the user is dragging down the notification, they might want to drag it down
         // enough to see the content, read it for a while and then lift the finger to open
         // the notification. This kind of motion scores very bad in the Classifier so the
         // MotionEvents which are close to the current position of the finger are not
diff --git a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
index 0915ee1..2c5cb89 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java
@@ -38,7 +38,7 @@
                 if (mPageIndicator == null) return;
                 mPageIndicator.setLocation(position);
                 if (mPageListener != null) {
-                    mPageListener.onPageChanged(position);
+                    mPageListener.onPageChanged(position == 0);
                 }
             }
 
@@ -47,6 +47,9 @@
                     int positionOffsetPixels) {
                 if (mPageIndicator == null) return;
                 mPageIndicator.setLocation(position + positionOffset);
+                if (mPageListener != null) {
+                    mPageListener.onPageChanged(position == 0 && positionOffsetPixels == 0);
+                }
             }
 
             @Override
@@ -57,6 +60,11 @@
     }
 
     @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
+
+    @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
         mPageIndicator = (PageIndicator) findViewById(R.id.page_indicator);
@@ -209,6 +217,6 @@
     };
 
     public interface PageListener {
-        void onPageChanged(int page);
+        void onPageChanged(boolean isFirst);
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java b/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
index dc64591..c31bb33 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSAnimator.java
@@ -69,11 +69,13 @@
     }
 
     @Override
-    public void onPageChanged(int page) {
-        mOnFirstPage = page == 0;
-        if (!mOnFirstPage) {
+    public void onPageChanged(boolean isFirst) {
+        if (mOnFirstPage == isFirst) return;
+        if (!isFirst) {
+            setPosition(1);
             clearAnimationState();
         }
+        mOnFirstPage = isFirst;
     }
 
     private void updateAnimators() {
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
index abe4c77..4408dbf 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QuickQSPanel.java
@@ -183,5 +183,10 @@
             // No resources here.
             return false;
         }
+
+        @Override
+        public boolean hasOverlappingRendering() {
+            return false;
+        }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/TouchAnimator.java b/packages/SystemUI/src/com/android/systemui/qs/TouchAnimator.java
index 94d8524..026dd0e 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/TouchAnimator.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/TouchAnimator.java
@@ -58,7 +58,7 @@
         }
         if (mListener != null) {
             if (mLastT == 0 || mLastT == 1) {
-                if (t != 0) {
+                if (t != mLastT) {
                     mListener.onAnimationStarted();
                 }
             } else if (t == 1) {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index c2a6108..c41098f 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -528,17 +528,16 @@
     @Override
     public void onMultiWindowChanged(boolean inMultiWindow) {
         super.onMultiWindowChanged(inMultiWindow);
-        if (!inMultiWindow) {
-            RecentsTaskLoader loader = Recents.getTaskLoader();
-            RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options();
-            launchOpts.loadIcons = false;
-            launchOpts.loadThumbnails = false;
-            launchOpts.onlyLoadForCache = true;
-            RecentsTaskLoadPlan loadPlan = loader.createLoadPlan(this);
-            loader.preloadTasks(loadPlan, -1, false);
-            loader.loadTasks(this, loadPlan, launchOpts);
-            EventBus.getDefault().send(new TaskStackUpdatedEvent(loadPlan.getTaskStack()));
-        }
+        RecentsTaskLoader loader = Recents.getTaskLoader();
+        RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options();
+        launchOpts.loadIcons = false;
+        launchOpts.loadThumbnails = false;
+        launchOpts.onlyLoadForCache = true;
+        RecentsTaskLoadPlan loadPlan = loader.createLoadPlan(this);
+        loader.preloadTasks(loadPlan, -1, false);
+        loader.loadTasks(this, loadPlan, launchOpts);
+        EventBus.getDefault().send(new TaskStackUpdatedEvent(loadPlan.getTaskStack(),
+                inMultiWindow));
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
index 8de964b..28b2fae 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
@@ -161,10 +161,8 @@
     Handler mHandler;
     TaskStackListenerImpl mTaskStackListener;
     RecentsAppWidgetHost mAppWidgetHost;
-    boolean mBootCompleted;
     boolean mCanReuseTaskStackViews = true;
     boolean mDraggingInRecents;
-    boolean mReloadTasks;
     boolean mLaunchedWhileDocking;
 
     // Task launching
@@ -236,7 +234,6 @@
     }
 
     public void onBootCompleted() {
-        mBootCompleted = true;
         updateHeaderBarLayout(true /* tryAndBindSearchWidget */, null /* stack */);
     }
 
@@ -317,23 +314,21 @@
     }
 
     public void hideRecents(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {
-        if (mBootCompleted) {
-            if (triggeredFromAltTab && mFastAltTabTrigger.isDozing()) {
-                // The user has released alt-tab before the trigger has run, so just show the next
-                // task immediately
-                showNextTask();
+        if (triggeredFromAltTab && mFastAltTabTrigger.isDozing()) {
+            // The user has released alt-tab before the trigger has run, so just show the next
+            // task immediately
+            showNextTask();
 
-                // Cancel the fast alt-tab trigger
-                mFastAltTabTrigger.stopDozing();
-                mFastAltTabTrigger.resetTrigger();
-                return;
-            }
-
-            // Defer to the activity to handle hiding recents, if it handles it, then it must still
-            // be visible
-            EventBus.getDefault().post(new HideRecentsEvent(triggeredFromAltTab,
-                    triggeredFromHomeKey));
+            // Cancel the fast alt-tab trigger
+            mFastAltTabTrigger.stopDozing();
+            mFastAltTabTrigger.resetTrigger();
+            return;
         }
+
+        // Defer to the activity to handle hiding recents, if it handles it, then it must still
+        // be visible
+        EventBus.getDefault().post(new HideRecentsEvent(triggeredFromAltTab,
+                triggeredFromHomeKey));
     }
 
     public void toggleRecents() {
@@ -347,7 +342,6 @@
         mTriggeredFromAltTab = false;
 
         try {
-            ViewConfiguration viewConfig = ViewConfiguration.get(mContext);
             SystemServicesProxy ssp = Recents.getSystemServices();
             ActivityManager.RunningTaskInfo topTask = ssp.getTopMostTask();
             MutableBoolean isTopTaskHome = new MutableBoolean(true);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/activity/TaskStackUpdatedEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/activity/TaskStackUpdatedEvent.java
index f87f6de..0d614e8c 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/events/activity/TaskStackUpdatedEvent.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/activity/TaskStackUpdatedEvent.java
@@ -28,8 +28,10 @@
      * A new TaskStack instance representing the latest stack state.
      */
     public final TaskStack stack;
+    public final boolean inMultiWindow;
 
-    public TaskStackUpdatedEvent(TaskStack stack) {
+    public TaskStackUpdatedEvent(TaskStack stack, boolean inMultiWindow) {
         this.stack = stack;
+        this.inMultiWindow = inMultiWindow;
     }
 }
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 824231a..6fef8a2 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
@@ -198,8 +198,8 @@
             // Add the task to the stack
             Task task = new Task(taskKey, t.affiliatedTaskId, t.affiliatedTaskColor, icon,
                     thumbnail, title, contentDescription, dismissDescription, activityColor,
-                    backgroundColor, !isStackTask, isLaunchTarget, isSystemApp, t.bounds,
-                    t.taskDescription);
+                    backgroundColor, !isStackTask, isLaunchTarget, isSystemApp, t.isDockable,
+                    t.bounds, t.taskDescription);
 
             allTasks.add(task);
             affiliatedTaskCounts.put(taskKey.id, affiliatedTaskCounts.get(taskKey.id, 0) + 1);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/Task.java b/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
index 8ed6dd7..e5d4f1b 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/Task.java
@@ -168,6 +168,8 @@
     public boolean isHistorical;
     @ViewDebug.ExportedProperty(category="recents")
     public boolean isSystemApp;
+    @ViewDebug.ExportedProperty(category="recents")
+    public boolean isDockable;
 
     private ArrayList<TaskCallbacks> mCallbacks = new ArrayList<>();
 
@@ -178,8 +180,8 @@
     public Task(TaskKey key, int affiliationTaskId, int affiliationColor, Drawable icon,
                 Bitmap thumbnail, String title, String contentDescription,
                 String dismissDescription, int colorPrimary, int colorBackground,
-                boolean isHistorical, boolean isLaunchTarget, boolean isSystemApp, Rect bounds,
-                ActivityManager.TaskDescription taskDescription) {
+                boolean isHistorical, boolean isLaunchTarget, boolean isSystemApp,
+                boolean isDockable, Rect bounds, ActivityManager.TaskDescription taskDescription) {
         boolean isInAffiliationGroup = (affiliationTaskId != key.id);
         boolean hasAffiliationGroupColor = isInAffiliationGroup && (affiliationColor != 0);
         this.key = key;
@@ -199,6 +201,7 @@
         this.isLaunchTarget = isLaunchTarget;
         this.isHistorical = isHistorical;
         this.isSystemApp = isSystemApp;
+        this.isDockable = isDockable;
     }
 
     /** Copies the other task. */
@@ -219,6 +222,7 @@
         this.isLaunchTarget = o.isLaunchTarget;
         this.isHistorical = o.isHistorical;
         this.isSystemApp = o.isSystemApp;
+        this.isDockable = o.isDockable;
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index 2e45627..5dde926 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -663,8 +663,10 @@
     }
 
     public final void onBusEvent(TaskStackUpdatedEvent event) {
-        mStack.setTasks(event.stack.computeAllTasksList(), true /* notifyStackChanges */);
-        mStack.createAffiliatedGroupings(getContext());
+        if (!event.inMultiWindow) {
+            mStack.setTasks(event.stack.computeAllTasksList(), true /* notifyStackChanges */);
+            mStack.createAffiliatedGroupings(getContext());
+        }
     }
 
     public final void onBusEvent(EnterRecentsWindowAnimationCompletedEvent event) {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsViewTouchHandler.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsViewTouchHandler.java
index 016d937..079d7b9 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsViewTouchHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsViewTouchHandler.java
@@ -21,7 +21,9 @@
 import android.view.MotionEvent;
 import android.view.ViewConfiguration;
 import android.view.ViewDebug;
+import android.widget.Toast;
 
+import com.android.systemui.R;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsConfiguration;
 import com.android.systemui.recents.events.EventBus;
@@ -148,11 +150,16 @@
 
         mVisibleDockStates.clear();
         if (!ssp.hasDockedTask() && mRv.getTaskStack().getTaskCount() > 1) {
-            // Add the dock state drop targets (these take priority)
-            TaskStack.DockState[] dockStates = getDockStatesForCurrentOrientation();
-            for (TaskStack.DockState dockState : dockStates) {
-                registerDropTargetForCurrentDrag(dockState);
-                mVisibleDockStates.add(dockState);
+            if (!event.task.isDockable) {
+                Toast.makeText(mRv.getContext(), R.string.recents_drag_non_dockable_task_message,
+                        Toast.LENGTH_SHORT).show();
+            } else {
+                // Add the dock state drop targets (these take priority)
+                TaskStack.DockState[] dockStates = getDockStatesForCurrentOrientation();
+                for (TaskStack.DockState dockState : dockStates) {
+                    registerDropTargetForCurrentDrag(dockState);
+                    mVisibleDockStates.add(dockState);
+                }
             }
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
index d71d70f..e1a81c8 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -1573,6 +1573,9 @@
             Task launchTask = mStack.getStackTasks().get(launchTaskIndex);
             EventBus.getDefault().send(new LaunchTaskEvent(getChildViewForTask(launchTask),
                     launchTask, null, INVALID_STACK_ID, false /* screenPinningRequested */));
+
+            MetricsLogger.action(getContext(), MetricsEvent.OVERVIEW_LAUNCH_PREVIOUS_TASK,
+                    launchTask.key.getComponent().toString());
         }
     }
 
@@ -1830,12 +1833,28 @@
     }
 
     public final void onBusEvent(TaskStackUpdatedEvent event) {
-        // Scroll the stack to the front after it has been updated
+        if (!event.inMultiWindow) {
+            // Scroll the stack to the front after it has been updated
+            event.addPostAnimationCallback(new Runnable() {
+                @Override
+                public void run() {
+                    mStackScroller.animateScroll(mLayoutAlgorithm.mMaxScrollP,
+                            null /* postScrollRunnable */);
+                }
+            });
+        }
+        // When the multi-window state changes, rebind all task view headers again to update their
+        // dockable state
         event.addPostAnimationCallback(new Runnable() {
             @Override
             public void run() {
-                mStackScroller.animateScroll(mLayoutAlgorithm.mMaxScrollP,
-                        null /* postScrollRunnable */);
+                List<TaskView> taskViews = getTaskViews();
+                int taskViewCount = taskViews.size();
+                for (int i = 0; i < taskViewCount; i++) {
+                    TaskView tv = taskViews.get(i);
+                    tv.getHeaderView().rebindToTask(tv.getTask(), tv.mTouchExplorationEnabled,
+                            tv.mIsDisabledInSafeMode);
+                }
             }
         });
     }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
index 0543dd5..05a8527 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
@@ -139,6 +139,7 @@
     // Header views
     ImageView mIconView;
     TextView mTitleView;
+    TextView mSubTitleView;
     ImageView mMoveTaskButton;
     ImageView mDismissButton;
     ViewStub mAppOverlayViewStub;
@@ -237,6 +238,7 @@
         mIconView.setClickable(false);
         mIconView.setOnLongClickListener(this);
         mTitleView = (TextView) findViewById(R.id.title);
+        mSubTitleView = (TextView) findViewById(R.id.sub_title);
         mDismissButton = (ImageView) findViewById(R.id.dismiss_task);
         if (ssp.hasFreeformWorkspaceSupport()) {
             mMoveTaskButton = (ImageView) findViewById(R.id.move_task);
@@ -367,6 +369,7 @@
 
     /** Binds the bar view to the task */
     public void rebindToTask(Task t, boolean touchExplorationEnabled, boolean disabledInSafeMode) {
+        SystemServicesProxy ssp = Recents.getSystemServices();
         mTask = t;
 
         // If an activity icon is defined, then we use that as the primary icon to show in the bar,
@@ -384,6 +387,13 @@
         mTitleView.setContentDescription(t.contentDescription);
         mTitleView.setTextColor(t.useLightOnPrimaryColor ?
                 mTaskBarViewLightTextColor : mTaskBarViewDarkTextColor);
+        if (!t.isDockable && ssp.hasDockedTask()) {
+            mSubTitleView.setVisibility(View.VISIBLE);
+            mSubTitleView.setTextColor(t.useLightOnPrimaryColor ?
+                    mTaskBarViewLightTextColor : mTaskBarViewDarkTextColor);
+        } else {
+            mSubTitleView.setVisibility(View.GONE);
+        }
         mDismissButton.setImageDrawable(t.useLightOnPrimaryColor ?
                 mLightDismissDrawable : mDarkDismissDrawable);
         mDismissButton.setContentDescription(t.dismissDescription);
diff --git a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerHandleView.java b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerHandleView.java
index 9118e9c..d5f7b39 100644
--- a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerHandleView.java
+++ b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerHandleView.java
@@ -26,7 +26,7 @@
 import android.graphics.Paint;
 import android.util.AttributeSet;
 import android.util.Property;
-import android.widget.ImageButton;
+import android.view.View;
 
 import com.android.systemui.Interpolators;
 import com.android.systemui.R;
@@ -34,7 +34,7 @@
 /**
  * View for the handle in the docked stack divider.
  */
-public class DividerHandleView extends ImageButton {
+public class DividerHandleView extends View {
 
     private final static Property<DividerHandleView, Integer> WIDTH_PROPERTY
             = new Property<DividerHandleView, Integer>(Integer.class, "width") {
diff --git a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
index 65a2f8f..da5cbe7 100644
--- a/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
+++ b/packages/SystemUI/src/com/android/systemui/stackdivider/DividerView.java
@@ -27,6 +27,7 @@
 import android.graphics.Rect;
 import android.graphics.Region.Op;
 import android.hardware.display.DisplayManager;
+import android.os.Bundle;
 import android.util.AttributeSet;
 import android.view.Display;
 import android.view.DisplayInfo;
@@ -40,6 +41,8 @@
 import android.view.ViewTreeObserver.OnComputeInternalInsetsListener;
 import android.view.WindowInsets;
 import android.view.WindowManager;
+import android.view.accessibility.AccessibilityNodeInfo;
+import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;
 import android.view.animation.Interpolator;
 import android.view.animation.PathInterpolator;
 import android.widget.FrameLayout;
@@ -132,6 +135,42 @@
     private boolean mGrowRecents;
     private Animator mCurrentAnimator;
 
+    private final AccessibilityDelegate mHandleDelegate = new AccessibilityDelegate() {
+        @Override
+        public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
+            super.onInitializeAccessibilityNodeInfo(host, info);
+            if (isHorizontalDivision()) {
+                info.addAction(new AccessibilityAction(R.id.action_move_up,
+                        mContext.getString(R.string.accessibility_action_divider_move_up)));
+                info.addAction(new AccessibilityAction(R.id.action_move_down,
+                        mContext.getString(R.string.accessibility_action_divider_move_down)));
+            } else {
+                info.addAction(new AccessibilityAction(R.id.action_move_left,
+                        mContext.getString(R.string.accessibility_action_divider_move_left)));
+                info.addAction(new AccessibilityAction(R.id.action_move_right,
+                        mContext.getString(R.string.accessibility_action_divider_move_right)));
+            }
+        }
+
+        @Override
+        public boolean performAccessibilityAction(View host, int action, Bundle args) {
+            if (action == R.id.action_move_up || action == R.id.action_move_down
+                    || action == R.id.action_move_left || action == R.id.action_move_right) {
+                int position = getCurrentPosition();
+                SnapTarget currentTarget = mSnapAlgorithm.calculateSnapTarget(
+                        position, 0 /* velocity */);
+                SnapTarget nextTarget =
+                        action == R.id.action_move_up || action == R.id.action_move_left
+                                ? mSnapAlgorithm.getPreviousTarget(currentTarget)
+                                : mSnapAlgorithm.getNextTarget(currentTarget);
+                startDragging(true /* animate */, false /* touching */);
+                stopDragging(getCurrentPosition(), nextTarget, 250, Interpolators.FAST_OUT_SLOW_IN);
+                return true;
+            }
+            return super.performAccessibilityAction(host, action, args);
+        }
+    };
+
     public DividerView(Context context) {
         super(context);
     }
@@ -171,6 +210,7 @@
         mHandle.setPointerIcon(PointerIcon.getSystemIcon(getContext(),
                 landscape ? STYLE_HORIZONTAL_DOUBLE_ARROW : STYLE_VERTICAL_DOUBLE_ARROW));
         getViewTreeObserver().addOnComputeInternalInsetsListener(this);
+        mHandle.setAccessibilityDelegate(mHandleDelegate);
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index a0c63be..afee846 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -1872,7 +1872,7 @@
         return entry;
     }
 
-    protected StatusBarIconView createIcon(StatusBarNotification sbn) {
+    public StatusBarIconView createIcon(StatusBarNotification sbn) {
         // Construct the icon.
         Notification n = sbn.getNotification();
         final StatusBarIconView iconView = new StatusBarIconView(mContext,
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/CrossFadeHelper.java b/packages/SystemUI/src/com/android/systemui/statusbar/CrossFadeHelper.java
index 212d290..123dc69 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/CrossFadeHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/CrossFadeHelper.java
@@ -19,6 +19,7 @@
 import android.view.View;
 
 import com.android.systemui.Interpolators;
+import com.android.systemui.statusbar.stack.StackStateAnimator;
 
 /**
  * A helper to fade views in and out.
@@ -44,7 +45,34 @@
         if (view.hasOverlappingRendering()) {
             view.animate().withLayer();
         }
+    }
 
+    public static void fadeOut(View view, float fadeOutAmount) {
+        view.animate().cancel();
+        if (fadeOutAmount == 1.0f) {
+            view.setVisibility(View.INVISIBLE);
+        } else if (view.getVisibility() == View.INVISIBLE) {
+            view.setVisibility(View.VISIBLE);
+        }
+        fadeOutAmount = mapToFadeDuration(fadeOutAmount);
+        float alpha = Interpolators.ALPHA_OUT.getInterpolation(1.0f - fadeOutAmount);
+        view.setAlpha(alpha);
+        updateLayerType(view, alpha);
+    }
+
+    private static float mapToFadeDuration(float fadeOutAmount) {
+        // Assuming a linear interpolator, we can easily map it to our new duration
+        float endPoint = (float) ANIMATION_DURATION_LENGTH
+                / (float) StackStateAnimator.ANIMATION_DURATION_STANDARD;
+        return Math.min(fadeOutAmount / endPoint, 1.0f);
+    }
+
+    private static void updateLayerType(View view, float alpha) {
+        if (view.hasOverlappingRendering() && alpha > 0.0f && alpha < 1.0f) {
+            view.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+        } else if (view.getLayerType() == View.LAYER_TYPE_HARDWARE) {
+            view.setLayerType(View.LAYER_TYPE_NONE, null);
+        }
     }
 
     public static void fadeIn(final View view) {
@@ -62,4 +90,15 @@
             view.animate().withLayer();
         }
     }
+
+    public static void fadeIn(View view, float fadeInAmount) {
+        view.animate().cancel();
+        if (view.getVisibility() == View.INVISIBLE) {
+            view.setVisibility(View.VISIBLE);
+        }
+        fadeInAmount = mapToFadeDuration(fadeInAmount);
+        float alpha = Interpolators.ALPHA_IN.getInterpolation(fadeInAmount);
+        view.setAlpha(alpha);
+        updateLayerType(view, alpha);
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
index c72cec3..da125d8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
@@ -868,6 +868,10 @@
 
     public void setUserLocked(boolean userLocked) {
         mUserLocked = userLocked;
+        mPrivateLayout.setUserExpanding(userLocked);
+        if (mIsSummaryWithChildren) {
+            mChildrenContainer.setUserLocked(userLocked);
+        }
     }
 
     /**
@@ -1174,6 +1178,9 @@
         int contentHeight = Math.max(getMinHeight(), height);
         mPrivateLayout.setContentHeight(contentHeight);
         mPublicLayout.setContentHeight(contentHeight);
+        if (mIsSummaryWithChildren) {
+            mChildrenContainer.setActualHeight(height);
+        }
         if (mGuts != null) {
             mGuts.setActualHeight(height);
         }
@@ -1259,7 +1266,7 @@
         return mMaxExpandHeight != 0;
     }
 
-    private NotificationContentView getShowingLayout() {
+    public NotificationContentView getShowingLayout() {
         return mShowingPublic ? mPublicLayout : mPrivateLayout;
     }
 
@@ -1295,8 +1302,15 @@
     }
 
     @Override
-    public boolean needsIncreasedPadding() {
-        return mIsSummaryWithChildren && isGroupExpanded();
+    public float getIncreasedPaddingAmount() {
+        if (mIsSummaryWithChildren) {
+            if (isGroupExpanded()) {
+                return 1.0f;
+            } else if (isUserLocked()) {
+                return mChildrenContainer.getChildExpandFraction();
+            }
+        }
+        return 0.0f;
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
index c9e1cff..1ff87f5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
@@ -391,8 +391,11 @@
     public void setShadowAlpha(float shadowAlpha) {
     }
 
-    public boolean needsIncreasedPadding() {
-        return false;
+    /**
+     * @return an amount between 0 and 1 of increased padding that this child needs
+     */
+    public float getIncreasedPaddingAmount() {
+        return 0.0f;
     }
 
     public boolean mustStayOnScreen() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
index bc85922..977b37e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
@@ -48,6 +48,7 @@
     private static final int VISIBLE_TYPE_EXPANDED = 1;
     private static final int VISIBLE_TYPE_HEADSUP = 2;
     private static final int VISIBLE_TYPE_SINGLELINE = 3;
+    private static final int UNDEFINED = -1;
 
     private final Rect mClipBounds = new Rect();
     private final int mMinContractedHeight;
@@ -102,6 +103,8 @@
     private boolean mExpandable;
     private boolean mClipToActualHeight = true;
     private ExpandableNotificationRow mContainingNotification;
+    private int mTransformationStartVisibleType;
+    private boolean mUserExpanding;
 
     public NotificationContentView(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -349,6 +352,41 @@
         invalidateOutline();
     }
 
+    private void updateContentTransformation() {
+        int visibleType = calculateVisibleType();
+        if (visibleType != mVisibleType) {
+            // A new transformation starts
+            mTransformationStartVisibleType = mVisibleType;
+            final TransformableView shownView = getTransformableViewForVisibleType(visibleType);
+            final TransformableView hiddenView = getTransformableViewForVisibleType(
+                    mTransformationStartVisibleType);
+            shownView.transformFrom(hiddenView, 0.0f);
+            getViewForVisibleType(visibleType).setVisibility(View.VISIBLE);
+            hiddenView.transformTo(shownView, 0.0f);
+            mVisibleType = visibleType;
+        }
+        if (mTransformationStartVisibleType != UNDEFINED
+                && mVisibleType != mTransformationStartVisibleType) {
+            final TransformableView shownView = getTransformableViewForVisibleType(mVisibleType);
+            final TransformableView hiddenView = getTransformableViewForVisibleType(
+                    mTransformationStartVisibleType);
+            float transformationAmount = calculateTransformationAmount();
+            shownView.transformFrom(hiddenView, transformationAmount);
+            hiddenView.transformTo(shownView, transformationAmount);
+        } else {
+            updateViewVisibilities(visibleType);
+        }
+    }
+
+    private float calculateTransformationAmount() {
+        int startHeight = getViewForVisibleType(mTransformationStartVisibleType).getHeight();
+        int endHeight = getViewForVisibleType(mVisibleType).getHeight();
+        int progress = Math.abs(mContentHeight - startHeight);
+        int totalDistance = Math.abs(endHeight - startHeight);
+        float amount = (float) progress / (float) totalDistance;
+        return Math.min(1.0f, amount);
+    }
+
     public int getContentHeight() {
         return mContentHeight;
     }
@@ -363,10 +401,14 @@
     }
 
     public int getMinHeight() {
-        if (mIsChildInGroup && !isGroupExpanded()) {
-            return mSingleLineView.getHeight();
-        } else {
+        return getMinHeight(false /* likeGroupExpanded */);
+    }
+
+    public int getMinHeight(boolean likeGroupExpanded) {
+        if (likeGroupExpanded || !mIsChildInGroup || isGroupExpanded()) {
             return mContractedChild.getHeight();
+        } else {
+            return mSingleLineView.getHeight();
         }
     }
 
@@ -397,6 +439,10 @@
         if (mContractedChild == null) {
             return;
         }
+        if (mUserExpanding) {
+            updateContentTransformation();
+            return;
+        }
         int visibleType = calculateVisibleType();
         if (visibleType != mVisibleType || force) {
             if (animate && ((visibleType == VISIBLE_TYPE_EXPANDED && mExpandedChild != null)
@@ -492,13 +538,28 @@
      * @return one of the static enum types in this view, calculated form the current state
      */
     private int calculateVisibleType() {
-        boolean noExpandedChild = mExpandedChild == null;
-
+        if (mUserExpanding) {
+            int height = !mIsChildInGroup || isGroupExpanded()
+                    || mContainingNotification.isExpanded()
+                    ? mContainingNotification.getMaxContentHeight()
+                    : mContainingNotification.getShowingLayout().getMinHeight();
+            int expandedVisualType = getVisualTypeForHeight(height);
+            int collapsedVisualType = getVisualTypeForHeight(
+                    mContainingNotification.getMinExpandHeight());
+            return mTransformationStartVisibleType == collapsedVisualType
+                    ? expandedVisualType
+                    : collapsedVisualType;
+        }
         int viewHeight = Math.min(mContentHeight, mContainingNotification.getIntrinsicHeight());
+        return getVisualTypeForHeight(viewHeight);
+    }
+
+    private int getVisualTypeForHeight(float viewHeight) {
+        boolean noExpandedChild = mExpandedChild == null;
         if (!noExpandedChild && viewHeight == mExpandedChild.getHeight()) {
             return VISIBLE_TYPE_EXPANDED;
         }
-        if (mIsChildInGroup && !isGroupExpanded()) {
+        if (!mUserExpanding && mIsChildInGroup && !isGroupExpanded()) {
             return VISIBLE_TYPE_SINGLELINE;
         }
 
@@ -723,4 +784,15 @@
             updateSingleLineView();
         }
     }
+
+    public void setUserExpanding(boolean userExpanding) {
+        mUserExpanding = userExpanding;
+        if (userExpanding) {
+            mTransformationStartVisibleType = mVisibleType;
+        } else {
+            mTransformationStartVisibleType = UNDEFINED;
+            mVisibleType = calculateVisibleType();
+            updateViewVisibilities(mVisibleType);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/TransformableView.java b/packages/SystemUI/src/com/android/systemui/statusbar/TransformableView.java
index 38b6497..009eed7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/TransformableView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/TransformableView.java
@@ -30,6 +30,7 @@
 
     /**
      * Get the current state of a view in a transform animation
+     *
      * @param fadingView which view we are interested in
      * @return the current transform state of this viewtype
      */
@@ -37,18 +38,37 @@
 
     /**
      * Transform to the given view
+     *
      * @param notification the view to transform to
      */
     void transformTo(TransformableView notification, Runnable endRunnable);
 
     /**
+     * Transform to the given view by a specified amount.
+     *
+     * @param notification the view to transform to
+     * @param transformationAmount how much transformation should be done
+     */
+    void transformTo(TransformableView notification, float transformationAmount);
+
+    /**
      * Transform to this view from the given view
+     *
      * @param notification the view to transform from
      */
     void transformFrom(TransformableView notification);
 
     /**
+     * Transform to this view from the given view by a specified amount.
+     *
+     * @param notification the view to transform from
+     * @param transformationAmount how much transformation should be done
+     */
+    void transformFrom(TransformableView notification, float transformationAmount);
+
+    /**
      * Set this view to be fully visible or gone
+     *
      * @param visible
      */
     void setVisible(boolean visible);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java b/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
index 63ff5aa..bf05d1d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
@@ -16,13 +16,17 @@
 
 package com.android.systemui.statusbar;
 
-import android.os.Handler;
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ValueAnimator;
 import android.util.ArrayMap;
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.android.systemui.Interpolators;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.notification.TransformState;
+import com.android.systemui.statusbar.stack.StackStateAnimator;
 
 import java.util.Stack;
 
@@ -33,9 +37,9 @@
 
     private static final int TAG_CONTAINS_TRANSFORMED_VIEW = R.id.contains_transformed_view;
 
-    private final Handler mHandler = new Handler();
     private ArrayMap<Integer, View> mTransformedViews = new ArrayMap<>();
     private ArrayMap<Integer, CustomTransformation> mCustomTransformations = new ArrayMap<>();
+    private ValueAnimator mViewTransformationAnimation;
 
     public void addTransformedView(int key, View transformedView) {
         mTransformedViews.put(key, transformedView);
@@ -59,61 +63,123 @@
     }
 
     @Override
-    public void transformTo(TransformableView notification, Runnable endRunnable) {
-        Runnable runnable = endRunnable;
+    public void transformTo(final TransformableView notification, final Runnable endRunnable) {
+        if (mViewTransformationAnimation != null) {
+            mViewTransformationAnimation.cancel();
+        }
+        mViewTransformationAnimation = ValueAnimator.ofFloat(0.0f, 1.0f);
+        mViewTransformationAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+            @Override
+            public void onAnimationUpdate(ValueAnimator animation) {
+                transformTo(notification, animation.getAnimatedFraction());
+            }
+        });
+        mViewTransformationAnimation.setInterpolator(Interpolators.LINEAR);
+        mViewTransformationAnimation.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
+        if (endRunnable != null) {
+            mViewTransformationAnimation.addListener(new AnimatorListenerAdapter() {
+                public boolean mCancelled;
+
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    endRunnable.run();
+                    if (!mCancelled) {
+                        setVisible(false);
+                    } else {
+                        abortTransformations();
+                    }
+                }
+
+                @Override
+                public void onAnimationCancel(Animator animation) {
+                    mCancelled = true;
+                }
+            });
+        }
+        mViewTransformationAnimation.start();
+    }
+
+    @Override
+    public void transformTo(TransformableView notification, float transformationAmount) {
         for (Integer viewType : mTransformedViews.keySet()) {
             TransformState ownState = getCurrentState(viewType);
             if (ownState != null) {
                 CustomTransformation customTransformation = mCustomTransformations.get(viewType);
                 if (customTransformation != null && customTransformation.transformTo(
-                        ownState, notification, runnable)) {
+                        ownState, notification, transformationAmount)) {
                     ownState.recycle();
-                    runnable = null;
                     continue;
                 }
                 TransformState otherState = notification.getCurrentState(viewType);
                 if (otherState != null) {
-                    boolean run = ownState.transformViewTo(otherState, runnable);
+                    ownState.transformViewTo(otherState, transformationAmount);
                     otherState.recycle();
-                    if (run) {
-                        runnable = null;
-                    }
                 } else {
                     // there's no other view available
-                    CrossFadeHelper.fadeOut(mTransformedViews.get(viewType), runnable);
-                    runnable = null;
+                    CrossFadeHelper.fadeOut(mTransformedViews.get(viewType), transformationAmount);
                 }
                 ownState.recycle();
             }
         }
-        if (runnable != null) {
-            // We need to post, since the visible type is only set after the transformation is
-            // started
-            mHandler.post(runnable);
-        }
     }
 
     @Override
-    public void transformFrom(TransformableView notification) {
+    public void transformFrom(final TransformableView notification) {
+        if (mViewTransformationAnimation != null) {
+            mViewTransformationAnimation.cancel();
+        }
+        mViewTransformationAnimation = ValueAnimator.ofFloat(0.0f, 1.0f);
+        mViewTransformationAnimation.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+            @Override
+            public void onAnimationUpdate(ValueAnimator animation) {
+                transformFrom(notification, animation.getAnimatedFraction());
+            }
+        });
+        mViewTransformationAnimation.addListener(new AnimatorListenerAdapter() {
+            public boolean mCancelled;
+
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                if (!mCancelled) {
+                    setVisible(true);
+                } else {
+                    abortTransformations();
+                }
+            }
+
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                mCancelled = true;
+            }
+        });
+        mViewTransformationAnimation.setInterpolator(Interpolators.LINEAR);
+        mViewTransformationAnimation.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
+        mViewTransformationAnimation.start();
+    }
+
+    @Override
+    public void transformFrom(TransformableView notification, float transformationAmount) {
         for (Integer viewType : mTransformedViews.keySet()) {
             TransformState ownState = getCurrentState(viewType);
             if (ownState != null) {
                 CustomTransformation customTransformation = mCustomTransformations.get(viewType);
                 if (customTransformation != null && customTransformation.transformFrom(
-                        ownState, notification)) {
+                        ownState, notification, transformationAmount)) {
                     ownState.recycle();
                     continue;
                 }
                 TransformState otherState = notification.getCurrentState(viewType);
                 if (otherState != null) {
-                    ownState.transformViewFrom(otherState);
+                    ownState.transformViewFrom(otherState, transformationAmount);
                     otherState.recycle();
                 } else {
                     // There's no other view, lets fade us in
                     // Certain views need to prepare the fade in and make sure its children are
                     // completely visible. An example is the notification header.
-                    ownState.prepareFadeIn();
-                    CrossFadeHelper.fadeIn(mTransformedViews.get(viewType));
+                    if (transformationAmount == 0.0f) {
+                        ownState.prepareFadeIn();
+                    }
+                    CrossFadeHelper.fadeIn(mTransformedViews.get(viewType), transformationAmount);
                 }
                 ownState.recycle();
             }
@@ -131,6 +197,16 @@
         }
     }
 
+    private void abortTransformations() {
+        for (Integer viewType : mTransformedViews.keySet()) {
+            TransformState ownState = getCurrentState(viewType);
+            if (ownState != null) {
+                ownState.abortTransformation();
+                ownState.recycle();
+            }
+        }
+    }
+
     /**
      * Add the remaining transformation views such that all views are being transformed correctly
      * @param viewRoot the root below which all elements need to be transformed
@@ -173,22 +249,44 @@
         }
     }
 
-    public interface CustomTransformation {
+    public static abstract class CustomTransformation {
         /**
          * Transform a state to the given view
          * @param ownState the state to transform
          * @param notification the view to transform to
+         * @param transformationAmount how much transformation should be done
          * @return whether a custom transformation is performed
          */
-        boolean transformTo(TransformState ownState, TransformableView notification,
-                Runnable endRunnable);
+        public abstract boolean transformTo(TransformState ownState,
+                TransformableView notification,
+                float transformationAmount);
 
         /**
          * Transform to this state from the given view
          * @param ownState the state to transform to
          * @param notification the view to transform from
+         * @param transformationAmount how much transformation should be done
          * @return whether a custom transformation is performed
          */
-        boolean transformFrom(TransformState ownState, TransformableView notification);
+        public abstract boolean transformFrom(TransformState ownState,
+                TransformableView notification,
+                float transformationAmount);
+
+        /**
+         * Perform a custom initialisation before transforming.
+         *
+         * @param ownState our own state
+         * @param otherState the other state
+         * @return whether a custom initialization is done
+         */
+        public boolean initTransformation(TransformState ownState,
+                TransformState otherState) {
+            return false;
+        }
+
+        public boolean customTransformTarget(TransformState ownState,
+                TransformState otherState) {
+            return false;
+        }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/HeaderTransformState.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/HeaderTransformState.java
index 81483c6..b66e9f3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/HeaderTransformState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/HeaderTransformState.java
@@ -46,7 +46,7 @@
     }
 
     @Override
-    public boolean transformViewTo(TransformState otherState, Runnable endRunnable) {
+    public boolean transformViewTo(TransformState otherState, float transformationAmount) {
         // if the transforming notification has a header, we have ensured that it looks the same
         // but the expand button, so lets fade just that one and transform the work profile icon.
         if (!(mTransformedView instanceof NotificationHeaderView)) {
@@ -62,14 +62,14 @@
             if (headerChild != mExpandButton) {
                 headerChild.setVisibility(View.INVISIBLE);
             } else {
-                CrossFadeHelper.fadeOut(mExpandButton, endRunnable);
+                CrossFadeHelper.fadeOut(mExpandButton, transformationAmount);
             }
         }
         return true;
     }
 
     @Override
-    public void transformViewFrom(TransformState otherState) {
+    public void transformViewFrom(TransformState otherState, float transformationAmount) {
         // if the transforming notification has a header, we have ensured that it looks the same
         // but the expand button, so lets fade just that one and transform the work profile icon.
         if (!(mTransformedView instanceof NotificationHeaderView)) {
@@ -85,12 +85,13 @@
                 continue;
             }
             if (headerChild == mExpandButton) {
-                CrossFadeHelper.fadeIn(mExpandButton);
+                CrossFadeHelper.fadeIn(mExpandButton, transformationAmount);
             } else {
                 headerChild.setVisibility(View.VISIBLE);
                 if (headerChild == mWorkProfileIcon) {
-                    mWorkProfileState.animateViewFrom(
-                            ((HeaderTransformState) otherState).mWorkProfileState);
+                    mWorkProfileState.transformViewFullyFrom(
+                            ((HeaderTransformState) otherState).mWorkProfileState,
+                            transformationAmount);
                 }
             }
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/HybridNotificationView.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/HybridNotificationView.java
index 81144d5..c80cad8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/HybridNotificationView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/HybridNotificationView.java
@@ -71,13 +71,13 @@
                 new ViewTransformationHelper.CustomTransformation() {
                     @Override
                     public boolean transformTo(TransformState ownState, TransformableView notification,
-                            Runnable endRunnable) {
+                            float transformationAmount) {
                         // We want to transform to the same y location as the title
                         TransformState otherState = notification.getCurrentState(
                                 TRANSFORMING_VIEW_TITLE);
-                        CrossFadeHelper.fadeOut(mTextView, endRunnable);
+                        CrossFadeHelper.fadeOut(mTextView, transformationAmount);
                         if (otherState != null) {
-                            ownState.animateViewVerticalTo(otherState, endRunnable);
+                            ownState.transformViewVerticalTo(otherState, transformationAmount);
                             otherState.recycle();
                         }
                         return true;
@@ -85,13 +85,13 @@
 
                     @Override
                     public boolean transformFrom(TransformState ownState,
-                            TransformableView notification) {
+                            TransformableView notification, float transformationAmount) {
                         // We want to transform from the same y location as the title
                         TransformState otherState = notification.getCurrentState(
                                 TRANSFORMING_VIEW_TITLE);
-                        CrossFadeHelper.fadeIn(mTextView);
+                        CrossFadeHelper.fadeIn(mTextView, transformationAmount);
                         if (otherState != null) {
-                            ownState.animateViewVerticalFrom(otherState);
+                            ownState.transformViewVerticalFrom(otherState, transformationAmount);
                             otherState.recycle();
                         }
                         return true;
@@ -133,11 +133,21 @@
     }
 
     @Override
+    public void transformTo(TransformableView notification, float transformationAmount) {
+        mTransformationHelper.transformTo(notification, transformationAmount);
+    }
+
+    @Override
     public void transformFrom(TransformableView notification) {
         mTransformationHelper.transformFrom(notification);
     }
 
     @Override
+    public void transformFrom(TransformableView notification, float transformationAmount) {
+        mTransformationHelper.transformFrom(notification, transformationAmount);
+    }
+
+    @Override
     public void setVisible(boolean visible) {
         setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
         mTransformationHelper.setVisible(visible);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/ImageTransformState.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/ImageTransformState.java
index e891a97..45027c0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/ImageTransformState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/ImageTransformState.java
@@ -62,7 +62,7 @@
     }
 
     @Override
-    protected boolean animateScale() {
+    protected boolean transformScale() {
         return true;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationHeaderViewWrapper.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationHeaderViewWrapper.java
index 5a71caf..000f957 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationHeaderViewWrapper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationHeaderViewWrapper.java
@@ -142,7 +142,8 @@
 
     protected void updateTransformedTypes() {
         mTransformationHelper.reset();
-        mTransformationHelper.addTransformedView(TransformableView.TRANSFORMING_VIEW_HEADER, mNotificationHeader);
+        mTransformationHelper.addTransformedView(TransformableView.TRANSFORMING_VIEW_HEADER,
+                mNotificationHeader);
     }
 
     @Override
@@ -299,11 +300,21 @@
     }
 
     @Override
+    public void transformTo(TransformableView notification, float transformationAmount) {
+        mTransformationHelper.transformTo(notification, transformationAmount);
+    }
+
+    @Override
     public void transformFrom(TransformableView notification) {
         mTransformationHelper.transformFrom(notification);
     }
 
     @Override
+    public void transformFrom(TransformableView notification, float transformationAmount) {
+        mTransformationHelper.transformFrom(notification, transformationAmount);
+    }
+
+    @Override
     public void setVisible(boolean visible) {
         super.setVisible(visible);
         mTransformationHelper.setVisible(visible);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationTemplateViewWrapper.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationTemplateViewWrapper.java
index 0c21f0b..fd4eca8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationTemplateViewWrapper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationTemplateViewWrapper.java
@@ -49,76 +49,65 @@
                 new ViewTransformationHelper.CustomTransformation() {
                     @Override
                     public boolean transformTo(TransformState ownState,
-                            TransformableView notification, final Runnable endRunnable) {
+                            TransformableView notification, final float transformationAmount) {
                         if (!(notification instanceof HybridNotificationView)) {
                             return false;
                         }
                         TransformState otherState = notification.getCurrentState(
                                 TRANSFORMING_VIEW_TITLE);
                         final View text = ownState.getTransformedView();
-                        CrossFadeHelper.fadeOut(text, endRunnable);
+                        CrossFadeHelper.fadeOut(text, transformationAmount);
                         if (otherState != null) {
-                            int[] otherStablePosition = otherState.getLaidOutLocationOnScreen();
-                            int[] ownPosition = ownState.getLaidOutLocationOnScreen();
-                            text.animate()
-                                    .translationY((otherStablePosition[1]
-                                            + otherState.getTransformedView().getHeight()
-                                            - ownPosition[1]) * 0.33f)
-                                    .setDuration(
-                                            StackStateAnimator.ANIMATION_DURATION_STANDARD)
-                                    .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
-                                    .withEndAction(new Runnable() {
-                                        @Override
-                                        public void run() {
-                                            if (endRunnable != null) {
-                                                endRunnable.run();
-                                            }
-                                            TransformState.setClippingDeactivated(text,
-                                                    false);
-                                        }
-                                    });
-                            TransformState.setClippingDeactivated(text, true);
+                            ownState.transformViewVerticalTo(otherState, this,
+                                    transformationAmount);
                             otherState.recycle();
                         }
                         return true;
                     }
 
                     @Override
+                    public boolean customTransformTarget(TransformState ownState,
+                            TransformState otherState) {
+                        float endY = getTransformationY(ownState, otherState);
+                        ownState.setTransformationEndY(endY);
+                        return true;
+                    }
+
+                    @Override
                     public boolean transformFrom(TransformState ownState,
-                            TransformableView notification) {
+                            TransformableView notification, float transformationAmount) {
                         if (!(notification instanceof HybridNotificationView)) {
                             return false;
                         }
                         TransformState otherState = notification.getCurrentState(
                                 TRANSFORMING_VIEW_TITLE);
                         final View text = ownState.getTransformedView();
-                        boolean isVisible = text.getVisibility() == View.VISIBLE;
-                        CrossFadeHelper.fadeIn(text);
+                        CrossFadeHelper.fadeIn(text, transformationAmount);
                         if (otherState != null) {
-                            int[] otherStablePosition = otherState.getLaidOutLocationOnScreen();
-                            int[] ownStablePosition = ownState.getLaidOutLocationOnScreen();
-                            if (!isVisible) {
-                                text.setTranslationY((otherStablePosition[1]
-                                        + otherState.getTransformedView().getHeight()
-                                        - ownStablePosition[1]) * 0.33f);
-                            }
-                            text.animate()
-                                    .translationY(0)
-                                    .setDuration(
-                                            StackStateAnimator.ANIMATION_DURATION_STANDARD)
-                                    .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
-                                    .withEndAction(new Runnable() {
-                                        @Override
-                                        public void run() {
-                                            TransformState.setClippingDeactivated(text,
-                                                    false);
-                                        }
-                                    });
-                            TransformState.setClippingDeactivated(text, true);
+                            ownState.transformViewVerticalFrom(otherState, this,
+                                    transformationAmount);
                             otherState.recycle();
                         }
                         return true;
                     }
+
+                    @Override
+                    public boolean initTransformation(TransformState ownState,
+                            TransformState otherState) {
+                        float startY = getTransformationY(ownState, otherState);
+                        ownState.setTransformationStartY(startY);
+                        return true;
+                    }
+
+                    private float getTransformationY(TransformState ownState,
+                            TransformState otherState) {
+                        int[] otherStablePosition = otherState.getLaidOutLocationOnScreen();
+                        int[] ownStablePosition = ownState.getLaidOutLocationOnScreen();
+                        return (otherStablePosition[1]
+                                + otherState.getTransformedView().getHeight()
+                                - ownStablePosition[1]) * 0.33f;
+                    }
+
                 }, TRANSFORMING_VIEW_TEXT);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationUtils.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationUtils.java
index 7089b78..4738657 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationUtils.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationUtils.java
@@ -34,4 +34,8 @@
         v.setTag(R.id.icon_is_grayscale, grayscale);
         return grayscale;
     }
+
+    public static float interpolate(float start, float end, float amount) {
+        return start * (1.0f - amount) + end * amount;
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationViewWrapper.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationViewWrapper.java
index 328f8b5..d3503e7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationViewWrapper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/NotificationViewWrapper.java
@@ -98,12 +98,22 @@
     }
 
     @Override
+    public void transformTo(TransformableView notification, float transformationAmount) {
+        CrossFadeHelper.fadeOut(mView, transformationAmount);
+    }
+
+    @Override
     public void transformFrom(TransformableView notification) {
         // By default we are fading in completely
         CrossFadeHelper.fadeIn(mView);
     }
 
     @Override
+    public void transformFrom(TransformableView notification, float transformationAmount) {
+        CrossFadeHelper.fadeIn(mView, transformationAmount);
+    }
+
+    @Override
     public void setVisible(boolean visible) {
         mView.animate().cancel();
         mView.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/TransformState.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/TransformState.java
index 67d31be..f04fe5e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/TransformState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/TransformState.java
@@ -30,23 +30,30 @@
 import com.android.systemui.R;
 import com.android.systemui.statusbar.CrossFadeHelper;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
-import com.android.systemui.statusbar.stack.StackStateAnimator;
+import com.android.systemui.statusbar.ViewTransformationHelper;
 
 /**
  * A transform state of a view.
 */
 public class TransformState {
 
-    private static final int ANIMATE_X = 0x1;
-    private static final int ANIMATE_Y = 0x10;
-    private static final int ANIMATE_ALL = ANIMATE_X | ANIMATE_Y;
+    private static final float UNDEFINED = -1f;
+    private static final int TRANSOFORM_X = 0x1;
+    private static final int TRANSOFORM_Y = 0x10;
+    private static final int TRANSOFORM_ALL = TRANSOFORM_X | TRANSOFORM_Y;
     private static final int CLIP_CLIPPING_SET = R.id.clip_children_set_tag;
     private static final int CLIP_CHILDREN_TAG = R.id.clip_children_tag;
     private static final int CLIP_TO_PADDING = R.id.clip_to_padding_tag;
+    private static final int TRANSFORMATION_START_X = R.id.transformation_start_x_tag;
+    private static final int TRANSFORMATION_START_Y = R.id.transformation_start_y_tag;
+    private static final int TRANSFORMATION_START_SCLALE_X = R.id.transformation_start_scale_x_tag;
+    private static final int TRANSFORMATION_START_SCLALE_Y = R.id.transformation_start_scale_y_tag;
     private static Pools.SimplePool<TransformState> sInstancePool = new Pools.SimplePool<>(40);
 
     protected View mTransformedView;
     private int[] mOwnPosition = new int[2];
+    private float mTransformationEndY = UNDEFINED;
+    private float mTransformationEndX = UNDEFINED;
 
     public void initFrom(View view) {
         mTransformedView = view;
@@ -55,129 +62,233 @@
     /**
      * Transforms the {@link #mTransformedView} from the given transformviewstate
      * @param otherState the state to transform from
+     * @param transformationAmount how much to transform
      */
-    public void transformViewFrom(TransformState otherState) {
+    public void transformViewFrom(TransformState otherState, float transformationAmount) {
         mTransformedView.animate().cancel();
         if (sameAs(otherState)) {
-            // We have the same content, lets show ourselves
-            mTransformedView.setAlpha(1.0f);
-            mTransformedView.setVisibility(View.VISIBLE);
+            if (mTransformedView.getVisibility() == View.INVISIBLE) {
+                // We have the same content, lets show ourselves
+                mTransformedView.setAlpha(1.0f);
+                mTransformedView.setVisibility(View.VISIBLE);
+            }
         } else {
-            CrossFadeHelper.fadeIn(mTransformedView);
+            CrossFadeHelper.fadeIn(mTransformedView, transformationAmount);
         }
-        animateViewFrom(otherState);
+        transformViewFullyFrom(otherState, transformationAmount);
     }
 
-    public void animateViewFrom(TransformState otherState) {
-        animateViewFrom(otherState, ANIMATE_ALL);
+    public void transformViewFullyFrom(TransformState otherState, float transformationAmount) {
+        transformViewFrom(otherState, TRANSOFORM_ALL, null, transformationAmount);
     }
 
-    public void animateViewVerticalFrom(TransformState otherState) {
-        animateViewFrom(otherState, ANIMATE_Y);
+    public void transformViewVerticalFrom(TransformState otherState,
+            ViewTransformationHelper.CustomTransformation customTransformation,
+            float transformationAmount) {
+        transformViewFrom(otherState, TRANSOFORM_Y, customTransformation, transformationAmount);
     }
 
-    private void animateViewFrom(TransformState otherState, int animationFlags) {
+    public void transformViewVerticalFrom(TransformState otherState, float transformationAmount) {
+        transformViewFrom(otherState, TRANSOFORM_Y, null, transformationAmount);
+    }
+
+    private void transformViewFrom(TransformState otherState, int transformationFlags,
+            ViewTransformationHelper.CustomTransformation customTransformation,
+            float transformationAmount) {
         final View transformedView = mTransformedView;
+        boolean transformX = (transformationFlags & TRANSOFORM_X) != 0;
+        boolean transformY = (transformationFlags & TRANSOFORM_Y) != 0;
+        boolean transformScale = transformScale();
         // lets animate the positions correctly
-        int[] otherPosition = otherState.getLocationOnScreen();
-        int[] ownStablePosition = getLaidOutLocationOnScreen();
-        if ((animationFlags & ANIMATE_X) != 0) {
-            transformedView.setTranslationX(otherPosition[0] - ownStablePosition[0]);
-            transformedView.animate().translationX(0);
-        }
-        if ((animationFlags & ANIMATE_Y) != 0) {
-            transformedView.setTranslationY(otherPosition[1] - ownStablePosition[1]);
-            transformedView.animate().translationY(0);
-        }
-        if (animateScale()) {
-            // we also want to animate the scale if we're the same
-            View otherView = otherState.getTransformedView();
-            if (otherView.getWidth() != transformedView.getWidth()) {
-                float scaleX = (otherView.getWidth() * otherView.getScaleX()
-                        / (float) transformedView.getWidth());
-                transformedView.setScaleX(scaleX);
-                transformedView.setPivotX(0);
-                transformedView.animate().scaleX(1.0f);
+        if (transformationAmount == 0.0f) {
+            int[] otherPosition = otherState.getLocationOnScreen();
+            int[] ownStablePosition = getLaidOutLocationOnScreen();
+            if (customTransformation == null
+                    || !customTransformation.initTransformation(this, otherState)) {
+                if (transformX) {
+                    setTransformationStartX(otherPosition[0] - ownStablePosition[0]);
+                }
+                if (transformY) {
+                    setTransformationStartY(otherPosition[1] - ownStablePosition[1]);
+                }
+                // we also want to animate the scale if we're the same
+                View otherView = otherState.getTransformedView();
+                if (transformScale && otherView.getWidth() != transformedView.getWidth()) {
+                    setTransformationStartScaleX(otherView.getWidth() * otherView.getScaleX()
+                            / (float) transformedView.getWidth());
+                    transformedView.setPivotX(0);
+                } else {
+                    setTransformationStartScaleX(UNDEFINED);
+                }
+                if (transformScale && otherView.getHeight() != transformedView.getHeight()) {
+                    setTransformationStartScaleY(otherView.getHeight() * otherView.getScaleY()
+                            / (float) transformedView.getHeight());
+                    transformedView.setPivotY(0);
+                } else {
+                    setTransformationStartScaleY(UNDEFINED);
+                }
             }
-            if (otherView.getHeight() != transformedView.getHeight()) {
-                float scaleY = (otherView.getHeight() * otherView.getScaleY()
-                        / (float) transformedView.getHeight());
-                transformedView.setScaleY(scaleY);
-                transformedView.setPivotY(0);
-                transformedView.animate().scaleY(1.0f);
+            if (!transformX) {
+                setTransformationStartX(UNDEFINED);
+            }
+            if (!transformY) {
+                setTransformationStartY(UNDEFINED);
+            }
+            if (!transformScale) {
+                setTransformationStartScaleX(UNDEFINED);
+                setTransformationStartScaleY(UNDEFINED);
+            }
+            setClippingDeactivated(transformedView, true);
+        }
+        float interpolatedValue = Interpolators.FAST_OUT_SLOW_IN.getInterpolation(
+                transformationAmount);
+        if (transformX) {
+            transformedView.setTranslationX(NotificationUtils.interpolate(getTransformationStartX(),
+                    0.0f,
+                    interpolatedValue));
+        }
+        if (transformY) {
+            transformedView.setTranslationY(NotificationUtils.interpolate(getTransformationStartY(),
+                    0.0f,
+                    interpolatedValue));
+        }
+        if (transformScale) {
+            float transformationStartScaleX = getTransformationStartScaleX();
+            if (transformationStartScaleX != UNDEFINED) {
+                transformedView.setScaleX(
+                        NotificationUtils.interpolate(transformationStartScaleX,
+                                1.0f,
+                                interpolatedValue));
+            }
+            float transformationStartScaleY = getTransformationStartScaleY();
+            if (transformationStartScaleY != UNDEFINED) {
+                transformedView.setScaleY(
+                        NotificationUtils.interpolate(transformationStartScaleY,
+                                1.0f,
+                                interpolatedValue));
             }
         }
-        transformedView.animate()
-                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
-                .setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD)
-                .withEndAction(new Runnable() {
-                    @Override
-                    public void run() {
-                        setClippingDeactivated(transformedView, false);
-                    }
-                });
-        setClippingDeactivated(transformedView, true);
     }
 
-    protected boolean animateScale() {
+    protected boolean transformScale() {
         return false;
     }
 
     /**
      * Transforms the {@link #mTransformedView} to the given transformviewstate
      * @param otherState the state to transform from
-     * @param endRunnable a runnable to run at the end of the animation
+     * @param transformationAmount how much to transform
      * @return whether an animation was started
      */
-    public boolean transformViewTo(TransformState otherState, final Runnable endRunnable) {
+    public boolean transformViewTo(TransformState otherState, float transformationAmount) {
         mTransformedView.animate().cancel();
         if (sameAs(otherState)) {
             // We have the same text, lets show ourselfs
-            mTransformedView.setAlpha(0.0f);
-            mTransformedView.setVisibility(View.INVISIBLE);
+            if (mTransformedView.getVisibility() == View.VISIBLE) {
+                mTransformedView.setAlpha(0.0f);
+                mTransformedView.setVisibility(View.INVISIBLE);
+            }
             return false;
         } else {
-            CrossFadeHelper.fadeOut(mTransformedView, endRunnable);
+            CrossFadeHelper.fadeOut(mTransformedView, transformationAmount);
         }
-        animateViewTo(otherState, endRunnable);
+        transformViewFullyTo(otherState, transformationAmount);
         return true;
     }
 
-    public void animateViewTo(TransformState otherState, Runnable endRunnable) {
-        animateViewTo(otherState, endRunnable, ANIMATE_ALL);
+    public void transformViewFullyTo(TransformState otherState, float transformationAmount) {
+        transformViewTo(otherState, TRANSOFORM_ALL, null, transformationAmount);
     }
 
-    public void animateViewVerticalTo(TransformState otherState, Runnable endRunnable) {
-        animateViewTo(otherState, endRunnable, ANIMATE_Y);
+    public void transformViewVerticalTo(TransformState otherState,
+            ViewTransformationHelper.CustomTransformation customTransformation,
+            float transformationAmount) {
+        transformViewTo(otherState, TRANSOFORM_Y, customTransformation, transformationAmount);
     }
 
-    private void animateViewTo(TransformState otherState, final Runnable endRunnable,
-            int animationFlags) {
+    public void transformViewVerticalTo(TransformState otherState, float transformationAmount) {
+        transformViewTo(otherState, TRANSOFORM_Y, null, transformationAmount);
+    }
+
+    private void transformViewTo(TransformState otherState, int transformationFlags,
+            ViewTransformationHelper.CustomTransformation customTransformation,
+            float transformationAmount) {
         // lets animate the positions correctly
+
+        final View transformedView = mTransformedView;
+        boolean transformX = (transformationFlags & TRANSOFORM_X) != 0;
+        boolean transformY = (transformationFlags & TRANSOFORM_Y) != 0;
+        boolean transformScale = transformScale();
+        // lets animate the positions correctly
+        if (transformationAmount == 0.0f) {
+            if (transformX) {
+                float transformationStartX = getTransformationStartX();
+                float start = transformationStartX != UNDEFINED ? transformationStartX
+                        : transformedView.getTranslationX();
+                setTransformationStartX(start);
+            }
+            if (transformY) {
+                float transformationStartY = getTransformationStartY();
+                float start = transformationStartY != UNDEFINED ? transformationStartY
+                        : transformedView.getTranslationY();
+                setTransformationStartY(start);
+            }
+            View otherView = otherState.getTransformedView();
+            if (transformScale && otherView.getWidth() != transformedView.getWidth()) {
+                setTransformationStartScaleX(transformedView.getScaleX());
+                transformedView.setPivotX(0);
+            } else {
+                setTransformationStartScaleX(UNDEFINED);
+            }
+            if (transformScale && otherView.getHeight() != transformedView.getHeight()) {
+                setTransformationStartScaleY(transformedView.getScaleY());
+                transformedView.setPivotY(0);
+            } else {
+                setTransformationStartScaleY(UNDEFINED);
+            }
+            setClippingDeactivated(transformedView, true);
+        }
+        float interpolatedValue = Interpolators.FAST_OUT_SLOW_IN.getInterpolation(
+                transformationAmount);
         int[] otherStablePosition = otherState.getLaidOutLocationOnScreen();
         int[] ownPosition = getLaidOutLocationOnScreen();
-        final View transformedView = mTransformedView;
-        if ((animationFlags & ANIMATE_X) != 0) {
-            transformedView.animate()
-                    .translationX(otherStablePosition[0] - ownPosition[0]);
+        if (transformX) {
+            float endX = otherStablePosition[0] - ownPosition[0];
+            if (customTransformation != null
+                    && customTransformation.customTransformTarget(this, otherState)) {
+                endX = mTransformationEndX;
+            }
+            transformedView.setTranslationX(NotificationUtils.interpolate(getTransformationStartX(),
+                    endX,
+                    interpolatedValue));
         }
-        if ((animationFlags & ANIMATE_Y) != 0) {
-            transformedView.animate()
-                    .translationY(otherStablePosition[1] - ownPosition[1]);
+        if (transformY) {
+            float endY = otherStablePosition[1] - ownPosition[1];
+            if (customTransformation != null
+                    && customTransformation.customTransformTarget(this, otherState)) {
+                endY = mTransformationEndY;
+            }
+            transformedView.setTranslationY(NotificationUtils.interpolate(getTransformationStartY(),
+                    endY,
+                    interpolatedValue));
         }
-        transformedView.animate()
-                .setInterpolator(Interpolators.FAST_OUT_SLOW_IN)
-                .setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD)
-                .withEndAction(new Runnable() {
-                    @Override
-                    public void run() {
-                        if (endRunnable != null) {
-                            endRunnable.run();
-                        }
-                        setClippingDeactivated(transformedView, false);
-                    }
-                });
-        setClippingDeactivated(transformedView, true);
+        if (transformScale) {
+            View otherView = otherState.getTransformedView();
+            float transformationStartScaleX = getTransformationStartScaleX();
+            if (transformationStartScaleX != UNDEFINED) {
+                transformedView.setScaleX(
+                        NotificationUtils.interpolate(transformationStartScaleX,
+                                (otherView.getWidth() / (float) transformedView.getWidth()),
+                                interpolatedValue));
+            }
+            float transformationStartScaleY = getTransformationStartScaleY();
+            if (transformationStartScaleY != UNDEFINED) {
+                transformedView.setScaleY(
+                        NotificationUtils.interpolate(transformationStartScaleY,
+                                (otherView.getHeight() / (float) transformedView.getHeight()),
+                                interpolatedValue));
+            }
+        }
     }
 
     public static void setClippingDeactivated(final View transformedView, boolean deactivated) {
@@ -281,8 +392,54 @@
         }
     }
 
+    public void setTransformationEndY(float transformationEndY) {
+        mTransformationEndY = transformationEndY;
+    }
+
+    public void setTransformationEndX(float transformationEndX) {
+        mTransformationEndX = transformationEndX;
+    }
+
+    public float getTransformationStartX() {
+        Object tag = mTransformedView.getTag(TRANSFORMATION_START_X);
+        return tag == null ? UNDEFINED : (float) tag;
+    }
+
+    public float getTransformationStartY() {
+        Object tag = mTransformedView.getTag(TRANSFORMATION_START_Y);
+        return tag == null ? UNDEFINED : (float) tag;
+    }
+
+    public float getTransformationStartScaleX() {
+        Object tag = mTransformedView.getTag(TRANSFORMATION_START_SCLALE_X);
+        return tag == null ? UNDEFINED : (float) tag;
+    }
+
+    public float getTransformationStartScaleY() {
+        Object tag = mTransformedView.getTag(TRANSFORMATION_START_SCLALE_Y);
+        return tag == null ? UNDEFINED : (float) tag;
+    }
+
+    public void setTransformationStartX(float transformationStartX) {
+        mTransformedView.setTag(TRANSFORMATION_START_X, transformationStartX);
+    }
+
+    public void setTransformationStartY(float transformationStartY) {
+        mTransformedView.setTag(TRANSFORMATION_START_Y, transformationStartY);
+    }
+
+    private void setTransformationStartScaleX(float startScaleX) {
+        mTransformedView.setTag(TRANSFORMATION_START_SCLALE_X, startScaleX);
+    }
+
+    private void setTransformationStartScaleY(float startScaleY) {
+        mTransformedView.setTag(TRANSFORMATION_START_SCLALE_Y, startScaleY);
+    }
+
     protected void reset() {
         mTransformedView = null;
+        mTransformationEndX = UNDEFINED;
+        mTransformationEndY = UNDEFINED;
     }
 
     public void setVisible(boolean visible) {
@@ -306,6 +463,15 @@
         mTransformedView.setTranslationY(0);
         mTransformedView.setScaleX(1.0f);
         mTransformedView.setScaleY(1.0f);
+        setClippingDeactivated(mTransformedView, false);
+        abortTransformation();
+    }
+
+    public void abortTransformation() {
+        mTransformedView.setTag(TRANSFORMATION_START_X, UNDEFINED);
+        mTransformedView.setTag(TRANSFORMATION_START_Y, UNDEFINED);
+        mTransformedView.setTag(TRANSFORMATION_START_SCLALE_X, UNDEFINED);
+        mTransformedView.setTag(TRANSFORMATION_START_SCLALE_Y, UNDEFINED);
     }
 
     public static TransformState obtain() {
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 d25e99b..49d5311 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -4089,7 +4089,7 @@
         ExpandableNotificationRow row = null;
         if (expandView instanceof ExpandableNotificationRow) {
             row = (ExpandableNotificationRow) expandView;
-            row.setUserExpanded(true);
+            row.setUserExpanded(true /* userExpanded */, true /* allowChildExpansion */);
         }
         boolean fullShadeNeedsBouncer = !userAllowsPrivateNotificationsInPublic(mCurrentUserId)
                 || !mShowLockscreenNotifications || mFalsingManager.shouldEnforceBouncer();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/BrightnessMirrorController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/BrightnessMirrorController.java
index 3bd68a9..ab34768 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/BrightnessMirrorController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/BrightnessMirrorController.java
@@ -80,13 +80,13 @@
 
         // Original is slightly larger than the mirror, so make sure to use the center for the
         // positioning.
-        int originalX = mInt2Cache[0] + original.getWidth()/2;
-        int originalY = mInt2Cache[1];
+        int originalX = mInt2Cache[0] + original.getWidth() / 2;
+        int originalY = mInt2Cache[1] + original.getHeight() / 2;
         mBrightnessMirror.setTranslationX(0);
         mBrightnessMirror.setTranslationY(0);
         mBrightnessMirror.getLocationInWindow(mInt2Cache);
-        int mirrorX = mInt2Cache[0] + mBrightnessMirror.getWidth()/2;
-        int mirrorY = mInt2Cache[1];
+        int mirrorX = mInt2Cache[0] + mBrightnessMirror.getWidth() / 2;
+        int mirrorY = mInt2Cache[1] + mBrightnessMirror.getHeight() / 2;
         mBrightnessMirror.setTranslationX(originalX - mirrorX);
         mBrightnessMirror.setTranslationY(originalY - mirrorY);
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java
index 49aec42..030c8b7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java
@@ -29,6 +29,7 @@
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.notification.HybridNotificationView;
 import com.android.systemui.statusbar.notification.HybridNotificationViewManager;
+import com.android.systemui.statusbar.notification.NotificationUtils;
 import com.android.systemui.statusbar.phone.NotificationPanelView;
 
 import java.util.ArrayList;
@@ -60,6 +61,8 @@
     private ViewState mGroupOverFlowState;
     private int mRealHeight;
     private int mLayoutDirection = LAYOUT_DIRECTION_UNDEFINED;
+    private boolean mUserLocked;
+    private int mActualHeight;
 
     public NotificationChildrenContainer(Context context) {
         this(context, null);
@@ -281,27 +284,45 @@
      */
     private int getIntrinsicHeight(float maxAllowedVisibleChildren) {
         int intrinsicHeight = mNotificationHeaderHeight;
-        if (mChildrenExpanded) {
-            intrinsicHeight += mNotificatonTopPadding;
-        }
         int visibleChildren = 0;
         int childCount = mChildren.size();
+        boolean firstChild = true;
+        float expandFactor = 0;
+        if (mUserLocked) {
+            expandFactor = getChildExpandFraction();
+        }
         for (int i = 0; i < childCount; i++) {
             if (visibleChildren >= maxAllowedVisibleChildren) {
                 break;
             }
+            if (!firstChild) {
+                if (mUserLocked) {
+                    intrinsicHeight += NotificationUtils.interpolate(mChildPadding, mDividerHeight,
+                            expandFactor);
+                } else {
+                    intrinsicHeight += mChildrenExpanded ? mDividerHeight : mChildPadding;
+                }
+            } else {
+                if (mUserLocked) {
+                    intrinsicHeight += NotificationUtils.interpolate(
+                            0,
+                            mNotificatonTopPadding + mDividerHeight,
+                            expandFactor);
+                } else {
+                    intrinsicHeight += mChildrenExpanded
+                            ? mNotificatonTopPadding + mDividerHeight
+                            : 0;
+                }
+                firstChild = false;
+            }
             ExpandableNotificationRow child = mChildren.get(i);
             intrinsicHeight += child.getIntrinsicHeight();
             visibleChildren++;
         }
-        if (visibleChildren > 0) {
-            if (mChildrenExpanded) {
-                intrinsicHeight += visibleChildren * mDividerHeight;
-            } else {
-                intrinsicHeight += (visibleChildren - 1) * mChildPadding;
-            }
-        }
-        if (!mChildrenExpanded) {
+        if (mUserLocked) {
+            intrinsicHeight += NotificationUtils.interpolate(mCollapsedBottompadding, 0.0f,
+                    expandFactor);
+        } else if (!mChildrenExpanded) {
             intrinsicHeight += mCollapsedBottompadding;
         }
         return intrinsicHeight;
@@ -323,12 +344,28 @@
         int lastVisibleIndex = hasOverflow
                 ? maxAllowedVisibleChildren - 2
                 : maxAllowedVisibleChildren - 1;
+        float expandFactor = 0;
+        if (mUserLocked) {
+            expandFactor = getChildExpandFraction();
+        }
         for (int i = 0; i < childCount; i++) {
             ExpandableNotificationRow child = mChildren.get(i);
             if (!firstChild) {
-                yPosition += mChildrenExpanded ? mDividerHeight : mChildPadding;
+                if (mUserLocked) {
+                     yPosition += NotificationUtils.interpolate(mChildPadding, mDividerHeight,
+                             expandFactor);
+                } else {
+                    yPosition += mChildrenExpanded ? mDividerHeight : mChildPadding;
+                }
             } else {
-                yPosition += mChildrenExpanded ? mNotificatonTopPadding + mDividerHeight : 0;
+                if (mUserLocked) {
+                    yPosition += NotificationUtils.interpolate(
+                            0,
+                            mNotificatonTopPadding + mDividerHeight,
+                            expandFactor);
+                } else {
+                    yPosition += mChildrenExpanded ? mNotificatonTopPadding + mDividerHeight : 0;
+                }
                 firstChild = false;
             }
             StackViewState childState = resultState.getViewStateForView(child);
@@ -375,6 +412,7 @@
     public void applyState(StackScrollState state) {
         int childCount = mChildren.size();
         ViewState tmpState = new ViewState();
+        float expandFraction = getChildExpandFraction();
         for (int i = 0; i < childCount; i++) {
             ExpandableNotificationRow child = mChildren.get(i);
             StackViewState viewState = state.getViewStateForView(child);
@@ -384,7 +422,11 @@
             View divider = mDividers.get(i);
             tmpState.initFrom(divider);
             tmpState.yTranslation = viewState.yTranslation - mDividerHeight;
-            tmpState.alpha = mChildrenExpanded && viewState.alpha != 0 ? 0.5f : 0;
+            float alpha = mChildrenExpanded && viewState.alpha != 0 ? 0.5f : 0;
+            if (mUserLocked && viewState.alpha != 0) {
+                alpha = NotificationUtils.interpolate(0, 0.5f, expandFraction);
+            }
+            tmpState.alpha = alpha;
             state.applyViewState(divider, tmpState);
         }
         if (mGroupOverflowContainer != null) {
@@ -407,6 +449,7 @@
             long baseDelay, long duration) {
         int childCount = mChildren.size();
         ViewState tmpState = new ViewState();
+        float expandFraction = getChildExpandFraction();
         for (int i = childCount - 1; i >= 0; i--) {
             ExpandableNotificationRow child = mChildren.get(i);
             StackViewState viewState = state.getViewStateForView(child);
@@ -416,7 +459,11 @@
             View divider = mDividers.get(i);
             tmpState.initFrom(divider);
             tmpState.yTranslation = viewState.yTranslation - mDividerHeight;
-            tmpState.alpha = mChildrenExpanded && viewState.alpha != 0 ? 0.5f : 0;
+            float alpha = mChildrenExpanded && viewState.alpha != 0 ? 0.5f : 0;
+            if (mUserLocked && viewState.alpha != 0) {
+                alpha = NotificationUtils.interpolate(0, 0.5f, expandFraction);
+            }
+            tmpState.alpha = alpha;
             stateAnimator.startViewAnimations(divider, tmpState, baseDelay, duration);
         }
         if (mGroupOverflowContainer != null) {
@@ -449,7 +496,70 @@
     }
 
     public int getMaxContentHeight() {
-        return getIntrinsicHeight(NUMBER_OF_CHILDREN_WHEN_CHILDREN_EXPANDED);
+        int maxContentHeight = mNotificationHeaderHeight + mNotificatonTopPadding;
+        int visibleChildren = 0;
+        int childCount = mChildren.size();
+        for (int i = 0; i < childCount; i++) {
+            if (visibleChildren >= NUMBER_OF_CHILDREN_WHEN_CHILDREN_EXPANDED) {
+                break;
+            }
+            ExpandableNotificationRow child = mChildren.get(i);
+            float childHeight = child.isExpanded()
+                    ? child.getMaxExpandHeight()
+                    : child.getShowingLayout().getMinHeight(true /* likeGroupExpanded */);
+            maxContentHeight += childHeight;
+            visibleChildren++;
+        }
+        if (visibleChildren > 0) {
+            maxContentHeight += visibleChildren * mDividerHeight;
+        }
+        return maxContentHeight;
+    }
+
+    public void setActualHeight(int actualHeight) {
+        if (!mUserLocked) {
+            return;
+        }
+        mActualHeight = actualHeight;
+        float fraction = getChildExpandFraction();
+        int childCount = mChildren.size();
+        for (int i = 0; i < childCount; i++) {
+            ExpandableNotificationRow child = mChildren.get(i);
+            float childHeight = child.isExpanded()
+                    ? child.getMaxExpandHeight()
+                    : child.getShowingLayout().getMinHeight(true /* likeGroupExpanded */);
+            float singleLineHeight = child.getShowingLayout().getMinHeight(
+                    false /* likeGroupExpanded */);
+            child.setActualHeight((int) NotificationUtils.interpolate(singleLineHeight, childHeight,
+                    fraction), false);
+        }
+    }
+
+    public float getChildExpandFraction() {
+        int allChildrenVisibleHeight = getChildrenExpandStartHeight();
+        int maxContentHeight = getMaxContentHeight();
+        float factor = (mActualHeight - allChildrenVisibleHeight)
+                / (float) (maxContentHeight - allChildrenVisibleHeight);
+        return Math.max(0.0f, Math.min(1.0f, factor));
+    }
+
+    private int getChildrenExpandStartHeight() {
+        int intrinsicHeight = mNotificationHeaderHeight;
+        int visibleChildren = 0;
+        int childCount = mChildren.size();
+        for (int i = 0; i < childCount; i++) {
+            if (visibleChildren >= NUMBER_OF_CHILDREN_WHEN_CHILDREN_EXPANDED) {
+                break;
+            }
+            ExpandableNotificationRow child = mChildren.get(i);
+            intrinsicHeight += child.getMinHeight();
+            visibleChildren++;
+        }
+        if (visibleChildren > 0) {
+            intrinsicHeight += (visibleChildren - 1) * mChildPadding;
+        }
+        intrinsicHeight += mCollapsedBottompadding;
+        return intrinsicHeight;
     }
 
     public int getMinHeight() {
@@ -477,4 +587,13 @@
             mDividers.set(i, divider);
         }
     }
+
+    public void setUserLocked(boolean userLocked) {
+        mUserLocked = userLocked;
+        int childCount = mChildren.size();
+        for (int i = 0; i < childCount; i++) {
+            ExpandableNotificationRow child = mChildren.get(i);
+            child.setUserLocked(userLocked);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
index fe06c3a..340ebb4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
@@ -64,6 +64,7 @@
 import com.android.systemui.statusbar.StackScrollerDecorView;
 import com.android.systemui.statusbar.StatusBarState;
 import com.android.systemui.statusbar.notification.FakeShadowView;
+import com.android.systemui.statusbar.notification.NotificationUtils;
 import com.android.systemui.statusbar.phone.NotificationGroupManager;
 import com.android.systemui.statusbar.phone.PhoneStatusBar;
 import com.android.systemui.statusbar.phone.ScrimController;
@@ -538,7 +539,7 @@
             ExpandableView child = (ExpandableView) getChildAt(i);
             if (mChildrenToAddAnimated.contains(child)) {
                 int startingPosition = getPositionInLinearLayout(child);
-                int padding = child.needsIncreasedPadding()
+                int padding = child.getIncreasedPaddingAmount() == 1.0f
                         ? mIncreasedPaddingBetweenElements :
                         mPaddingBetweenElements;
                 int childHeight = getIntrinsicHeight(child) + padding;
@@ -1531,18 +1532,18 @@
 
     private void updateContentHeight() {
         int height = 0;
-        boolean previousNeedsIncreasedPaddings = false;
+        float previousIncreasedAmount = 0.0f;
         for (int i = 0; i < getChildCount(); i++) {
             ExpandableView expandableView = (ExpandableView) getChildAt(i);
             if (expandableView.getVisibility() != View.GONE) {
-                boolean needsIncreasedPaddings = expandableView.needsIncreasedPadding();
+                float increasedPaddingAmount = expandableView.getIncreasedPaddingAmount();
                 if (height != 0) {
-                    int padding = needsIncreasedPaddings || previousNeedsIncreasedPaddings
-                            ? mIncreasedPaddingBetweenElements
-                            : mPaddingBetweenElements;
-                    height += padding;
+                    height += (int) NotificationUtils.interpolate(
+                            mPaddingBetweenElements,
+                            mIncreasedPaddingBetweenElements,
+                            Math.max(previousIncreasedAmount, increasedPaddingAmount));
                 }
-                previousNeedsIncreasedPaddings = needsIncreasedPaddings;
+                previousIncreasedAmount = increasedPaddingAmount;
                 height += expandableView.getIntrinsicHeight();
             }
         }
@@ -1813,8 +1814,12 @@
                 // it will be set once we reach the boundary
                 mMaxOverScroll = 0.0f;
             }
+            int minScrollY = Math.max(0, scrollRange);
+            if (mExpandedInThisMotion) {
+                minScrollY = Math.min(minScrollY, mMaxScrollAfterExpand);
+            }
             mScroller.fling(mScrollX, mOwnScrollY, 1, velocityY, 0, 0, 0,
-                    Math.max(0, scrollRange), 0, Integer.MAX_VALUE / 2);
+                    minScrollY, 0, mExpandedInThisMotion && mOwnScrollY >= 0 ? 0 : Integer.MAX_VALUE / 2);
 
             postInvalidateOnAnimation();
         }
@@ -2097,9 +2102,10 @@
      */
     private void updateScrollStateForRemovedChild(ExpandableView removedChild) {
         int startingPosition = getPositionInLinearLayout(removedChild);
-        int padding = removedChild.needsIncreasedPadding()
-                ? mIncreasedPaddingBetweenElements :
-                mPaddingBetweenElements;
+        int padding = (int) NotificationUtils.interpolate(
+                mPaddingBetweenElements,
+                mIncreasedPaddingBetweenElements,
+                removedChild.getIncreasedPaddingAmount());
         int childHeight = getIntrinsicHeight(removedChild) + padding;
         int endPosition = startingPosition + childHeight;
         if (endPosition <= mOwnScrollY) {
@@ -2123,19 +2129,19 @@
 
     private int getPositionInLinearLayout(View requestedChild) {
         int position = 0;
-        boolean previousNeedsIncreasedPaddings = false;
+        float previousIncreasedAmount = 0.0f;
         for (int i = 0; i < getChildCount(); i++) {
             ExpandableView child = (ExpandableView) getChildAt(i);
             boolean notGone = child.getVisibility() != View.GONE;
             if (notGone) {
-                boolean needsIncreasedPaddings = child.needsIncreasedPadding();
+                float increasedPaddingAmount = child.getIncreasedPaddingAmount();
                 if (position != 0) {
-                    int padding = needsIncreasedPaddings || previousNeedsIncreasedPaddings
-                            ? mIncreasedPaddingBetweenElements :
-                            mPaddingBetweenElements;
-                    position += padding;
+                    position += (int) NotificationUtils.interpolate(
+                            mPaddingBetweenElements,
+                            mIncreasedPaddingBetweenElements,
+                            Math.max(previousIncreasedAmount, increasedPaddingAmount));
                 }
-                previousNeedsIncreasedPaddings = needsIncreasedPaddings;
+                previousIncreasedAmount = increasedPaddingAmount;
             }
             if (child == requestedChild) {
                 return position;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
index d78d626..eea923f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
@@ -25,9 +25,10 @@
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.ExpandableView;
 import com.android.systemui.statusbar.notification.FakeShadowView;
+import com.android.systemui.statusbar.notification.NotificationUtils;
 
 import java.util.ArrayList;
-import java.util.HashSet;
+import java.util.HashMap;
 import java.util.List;
 
 /**
@@ -297,18 +298,22 @@
         int childCount = hostView.getChildCount();
         state.visibleChildren.clear();
         state.visibleChildren.ensureCapacity(childCount);
-        state.increasedPaddingSet.clear();
+        state.increasedPaddingMap.clear();
         int notGoneIndex = 0;
         ExpandableView lastView = null;
         for (int i = 0; i < childCount; i++) {
             ExpandableView v = (ExpandableView) hostView.getChildAt(i);
             if (v.getVisibility() != View.GONE) {
                 notGoneIndex = updateNotGoneIndex(resultState, state, notGoneIndex, v);
-                boolean needsIncreasedPadding = v.needsIncreasedPadding();
-                if (needsIncreasedPadding) {
-                    state.increasedPaddingSet.add(v);
+                float increasedPadding = v.getIncreasedPaddingAmount();
+                if (increasedPadding != 0.0f) {
+                    state.increasedPaddingMap.put(v, increasedPadding);
                     if (lastView != null) {
-                        state.increasedPaddingSet.add(lastView);
+                        Float prevValue = state.increasedPaddingMap.get(lastView);
+                        float newValue = prevValue != null
+                                ? Math.max(prevValue, increasedPadding)
+                                : increasedPadding;
+                        state.increasedPaddingMap.put(lastView, newValue);
                     }
                 }
                 if (v instanceof ExpandableNotificationRow) {
@@ -423,9 +428,12 @@
 
     private int getPaddingAfterChild(StackScrollAlgorithmState algorithmState,
             ExpandableView child) {
-        return algorithmState.increasedPaddingSet.contains(child)
-                ? mIncreasedPaddingBetweenElements
-                : mPaddingBetweenElements;
+        Float paddingValue = algorithmState.increasedPaddingMap.get(child);
+        return paddingValue == null
+                ? mPaddingBetweenElements
+                : (int) NotificationUtils.interpolate(mPaddingBetweenElements,
+                        mIncreasedPaddingBetweenElements,
+                        paddingValue);
     }
 
     private void updateHeadsUpStates(StackScrollState resultState,
@@ -765,9 +773,10 @@
         public final ArrayList<ExpandableView> visibleChildren = new ArrayList<ExpandableView>();
 
         /**
-         * The children from the host that need an increased padding after them.
+         * The children from the host that need an increased padding after them. A value of 0 means
+         * no increased padding, a value of 1 means full padding.
          */
-        public final HashSet<ExpandableView> increasedPaddingSet = new HashSet<>();
+        public final HashMap<ExpandableView, Float> increasedPaddingMap = new HashMap<>();
     }
 
 }
diff --git a/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java b/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
index ec49256..0925638 100644
--- a/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
+++ b/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
@@ -424,9 +424,7 @@
         }
         Intent intent = new Intent(mContext, PipMenuActivity.class);
         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        final ActivityOptions options = ActivityOptions.makeBasic();
-        options.setLaunchStackId(PINNED_STACK_ID);
-        mContext.startActivity(intent, options.toBundle());
+        mContext.startActivity(intent);
     }
 
     public void addListener(Listener listener) {
diff --git a/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java b/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
index 7e229d4..4171dbc 100644
--- a/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/tv/pip/PipMenuActivity.java
@@ -33,29 +33,62 @@
     private final PipManager mPipManager = PipManager.getInstance();
     private MediaController mMediaController;
 
+    private View mFullButtonView;
+    private View mFullDescriptionView;
+    private View mPlayPauseButtonView;
+    private View mPlayPauseDescriptionView;
+    private View mCloseButtonView;
+    private View mCloseDescriptionView;
+
     @Override
     protected void onCreate(Bundle bundle) {
         super.onCreate(bundle);
         setContentView(R.layout.tv_pip_menu);
         mPipManager.addListener(this);
-        findViewById(R.id.full).setOnClickListener(new View.OnClickListener() {
+        mFullButtonView = findViewById(R.id.full);
+        mFullDescriptionView = findViewById(R.id.full_desc);
+        mFullButtonView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 mPipManager.movePipToFullscreen();
+                finish();
             }
         });
-        findViewById(R.id.exit).setOnClickListener(new View.OnClickListener() {
+        mFullButtonView.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+            @Override
+            public void onFocusChange(View v, boolean hasFocus) {
+                mFullDescriptionView.setVisibility(hasFocus ? View.VISIBLE : View.INVISIBLE);
+            }
+        });
+
+        mPlayPauseButtonView = findViewById(R.id.play_pause);
+        mPlayPauseDescriptionView = findViewById(R.id.play_pause_desc);
+        mPlayPauseButtonView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                // TODO: Implement play/pause.
+            }
+        });
+        mPlayPauseButtonView.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+            @Override
+            public void onFocusChange(View v, boolean hasFocus) {
+                mPlayPauseDescriptionView.setVisibility(hasFocus ? View.VISIBLE : View.INVISIBLE);
+            }
+        });
+
+        mCloseButtonView = findViewById(R.id.close);
+        mCloseDescriptionView = findViewById(R.id.close_desc);
+        mCloseButtonView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 mPipManager.closePip();
                 finish();
             }
         });
-        findViewById(R.id.cancel).setOnClickListener(new View.OnClickListener() {
+        mCloseButtonView.setOnFocusChangeListener(new View.OnFocusChangeListener() {
             @Override
-            public void onClick(View v) {
-                mPipManager.resizePinnedStack(PipManager.STATE_PIP_OVERLAY);
-                finish();
+            public void onFocusChange(View v, boolean hasFocus) {
+                mCloseDescriptionView.setVisibility(hasFocus ? View.VISIBLE : View.INVISIBLE);
             }
         });
     }
diff --git a/packages/SystemUI/tests/Android.mk b/packages/SystemUI/tests/Android.mk
index 964688b..c9c5805 100644
--- a/packages/SystemUI/tests/Android.mk
+++ b/packages/SystemUI/tests/Android.mk
@@ -29,9 +29,7 @@
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src) \
     $(call all-Iaidl-files-under, src) \
-    $(call all-java-files-under, ../src) \
-    $(call all-proto-files-under, ../src) \
-    src/com/android/systemui/EventLogTags.logtags
+    $(call all-java-files-under, ../src)
 
 LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res \
     frameworks/support/v7/preference/res \
@@ -53,7 +51,8 @@
     android-support-v7-preference \
     android-support-v7-appcompat \
     android-support-v14-preference \
-    android-support-v17-leanback
+    android-support-v17-leanback \
+    SystemUI-proto-tags
 
 # sign this with platform cert, so this test is allowed to inject key events into
 # UI it doesn't own. This is necessary to allow screenshots to be taken
diff --git a/packages/SystemUI/tests/src/com/android/systemui/EventLogTags.logtags b/packages/SystemUI/tests/src/com/android/systemui/EventLogTags.logtags
deleted file mode 120000
index 2f243d7..0000000
--- a/packages/SystemUI/tests/src/com/android/systemui/EventLogTags.logtags
+++ /dev/null
@@ -1 +0,0 @@
-../../../../../src/com/android/systemui/EventLogTags.logtags
\ No newline at end of file
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index cd026a8..568edab 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -441,5 +441,14 @@
 
     // Tuner: Change do not disturb volume buttons shortcut.
     ACTION_TUNER_DO_NOT_DISTURB_VOLUME_SHORTCUT = 315;
+
+    // Logs the action the user takes when an app crashed.
+    ACTION_APP_CRASH = 316;
+
+    // Logs the action the user takes when an app ANR'd.
+    ACTION_APP_ANR = 317;
+
+    // Logged when a user double taps the overview button to launch the previous task
+    OVERVIEW_LAUNCH_PREVIOUS_TASK = 318;
   }
 }
diff --git a/services/core/java/com/android/server/accounts/AccountManagerService.java b/services/core/java/com/android/server/accounts/AccountManagerService.java
index d14364d..caeb0c6 100644
--- a/services/core/java/com/android/server/accounts/AccountManagerService.java
+++ b/services/core/java/com/android/server/accounts/AccountManagerService.java
@@ -660,12 +660,7 @@
         long identityToken = clearCallingIdentity();
         try {
             UserAccounts accounts = getUserAccounts(userId);
-            synchronized (accounts.cacheLock) {
-                if (!accountExistsCacheLocked(accounts, account)) {
-                    return null;
-                }
-                return readUserDataInternalLocked(accounts, account, key);
-            }
+            return readUserDataInternal(accounts, account, key);
         } finally {
             restoreCallingIdentity(identityToken);
         }
@@ -1717,58 +1712,44 @@
         long identityToken = clearCallingIdentity();
         try {
             UserAccounts accounts = getUserAccounts(userId);
-            synchronized (accounts.cacheLock) {
-                if (!accountExistsCacheLocked(accounts, account)) {
-                    return;
-                }
-                setUserdataInternalLocked(accounts, account, key, value);
-            }
+            setUserdataInternal(accounts, account, key, value);
         } finally {
             restoreCallingIdentity(identityToken);
         }
     }
 
-    private boolean accountExistsCacheLocked(UserAccounts accounts, Account account) {
-        if (accounts.accountCache.containsKey(account.type)) {
-            for (Account acc : accounts.accountCache.get(account.type)) {
-                if (acc.name.equals(account.name)) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-
-    private void setUserdataInternalLocked(UserAccounts accounts, Account account, String key,
+    private void setUserdataInternal(UserAccounts accounts, Account account, String key,
             String value) {
         if (account == null || key == null) {
             return;
         }
-        final SQLiteDatabase db = accounts.openHelper.getWritableDatabase();
-        db.beginTransaction();
-        try {
-            long accountId = getAccountIdLocked(db, account);
-            if (accountId < 0) {
-                return;
-            }
-            long extrasId = getExtrasIdLocked(db, accountId, key);
-            if (extrasId < 0) {
-                extrasId = insertExtraLocked(db, accountId, key, value);
-                if (extrasId < 0) {
+        synchronized (accounts.cacheLock) {
+            final SQLiteDatabase db = accounts.openHelper.getWritableDatabase();
+            db.beginTransaction();
+            try {
+                long accountId = getAccountIdLocked(db, account);
+                if (accountId < 0) {
                     return;
                 }
-            } else {
-                ContentValues values = new ContentValues();
-                values.put(EXTRAS_VALUE, value);
-                if (1 != db.update(TABLE_EXTRAS, values, EXTRAS_ID + "=" + extrasId, null)) {
-                    return;
-                }
+                long extrasId = getExtrasIdLocked(db, accountId, key);
+                if (extrasId < 0 ) {
+                    extrasId = insertExtraLocked(db, accountId, key, value);
+                    if (extrasId < 0) {
+                        return;
+                    }
+                } else {
+                    ContentValues values = new ContentValues();
+                    values.put(EXTRAS_VALUE, value);
+                    if (1 != db.update(TABLE_EXTRAS, values, EXTRAS_ID + "=" + extrasId, null)) {
+                        return;
+                    }
 
+                }
+                writeUserDataIntoCacheLocked(accounts, db, account, key, value);
+                db.setTransactionSuccessful();
+            } finally {
+                db.endTransaction();
             }
-            writeUserDataIntoCacheLocked(accounts, db, account, key, value);
-            db.setTransactionSuccessful();
-        } finally {
-            db.endTransaction();
         }
     }
 
@@ -4803,16 +4784,17 @@
         }
     }
 
-    protected String readUserDataInternalLocked(
-            UserAccounts accounts, Account account, String key) {
-        HashMap<String, String> userDataForAccount = accounts.userDataCache.get(account);
-        if (userDataForAccount == null) {
-            // need to populate the cache for this account
-            final SQLiteDatabase db = accounts.openHelper.getReadableDatabase();
-            userDataForAccount = readUserDataForAccountFromDatabaseLocked(db, account);
-            accounts.userDataCache.put(account, userDataForAccount);
+    protected String readUserDataInternal(UserAccounts accounts, Account account, String key) {
+        synchronized (accounts.cacheLock) {
+            HashMap<String, String> userDataForAccount = accounts.userDataCache.get(account);
+            if (userDataForAccount == null) {
+                // need to populate the cache for this account
+                final SQLiteDatabase db = accounts.openHelper.getReadableDatabase();
+                userDataForAccount = readUserDataForAccountFromDatabaseLocked(db, account);
+                accounts.userDataCache.put(account, userDataForAccount);
+            }
+            return userDataForAccount.get(key);
         }
-        return userDataForAccount.get(key);
     }
 
     protected HashMap<String, String> readUserDataForAccountFromDatabaseLocked(
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index 90a7da9..32ca5bf 100755
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -321,6 +321,7 @@
                 pw.print(" visible="); pw.print(visible);
                 pw.print(" sleeping="); pw.print(sleeping);
                 pw.print(" idle="); pw.println(idle);
+                pw.print(" mStartingWindowShown="); pw.println(mStartingWindowShown);
         pw.print(prefix); pw.print("fullscreen="); pw.print(fullscreen);
                 pw.print(" noDisplay="); pw.print(noDisplay);
                 pw.print(" immersive="); pw.print(immersive);
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index acde10f..ec37667 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -2263,6 +2263,7 @@
                             mService.compatibilityInfoForPackageLocked(next.info.applicationInfo),
                             next.nonLocalizedLabel, next.labelRes, next.icon, next.logo,
                             next.windowFlags, null, true);
+                    next.mStartingWindowShown = true;
                 }
                 mStackSupervisor.startSpecificActivityLocked(next, true, false);
                 if (DEBUG_STACK) mStackSupervisor.validateTopActivitiesLocked();
@@ -2295,6 +2296,7 @@
                             next.nonLocalizedLabel,
                             next.labelRes, next.icon, next.logo, next.windowFlags,
                             null, true);
+                    next.mStartingWindowShown = true;
                 }
                 if (DEBUG_SWITCH) Slog.v(TAG_SWITCH, "Restarting: " + next);
             }
diff --git a/services/core/java/com/android/server/am/AppErrorDialog.java b/services/core/java/com/android/server/am/AppErrorDialog.java
index b746a4b..86cdbcc 100644
--- a/services/core/java/com/android/server/am/AppErrorDialog.java
+++ b/services/core/java/com/android/server/am/AppErrorDialog.java
@@ -37,6 +37,7 @@
 import static com.android.server.am.ActivityManagerService.IS_USER_BUILD;
 
 final class AppErrorDialog extends BaseErrorDialog implements View.OnClickListener {
+
     private final ActivityManagerService mService;
     private final AppErrorResult mResult;
     private final ProcessRecord mProc;
@@ -44,12 +45,17 @@
 
     private CharSequence mName;
 
+    static int CANT_SHOW = -1;
+    static int BACKGROUND_USER = -2;
+    static int ALREADY_SHOWING = -3;
+
     // Event 'what' codes
     static final int FORCE_QUIT = 1;
     static final int FORCE_QUIT_AND_REPORT = 2;
     static final int RESTART = 3;
     static final int RESET = 4;
     static final int MUTE = 5;
+    static final int TIMEOUT = 6;
 
     // 5-minute timeout, then we automatically dismiss the crash dialog
     static final long DISMISS_TIMEOUT = 1000 * 60 * 5;
@@ -89,7 +95,7 @@
 
         // After the timeout, pretend the user clicked the quit button
         mHandler.sendMessageDelayed(
-                mHandler.obtainMessage(FORCE_QUIT),
+                mHandler.obtainMessage(TIMEOUT),
                 DISMISS_TIMEOUT);
     }
 
@@ -132,7 +138,7 @@
             mResult.set(result);
 
             // Make sure we don't have time timeout still hanging around.
-            removeMessages(FORCE_QUIT);
+            removeMessages(TIMEOUT);
 
             dismiss();
         }
diff --git a/services/core/java/com/android/server/am/AppErrors.java b/services/core/java/com/android/server/am/AppErrors.java
index 190e9e1..055935d 100644
--- a/services/core/java/com/android/server/am/AppErrors.java
+++ b/services/core/java/com/android/server/am/AppErrors.java
@@ -17,6 +17,8 @@
 package com.android.server.am;
 
 import com.android.internal.app.ProcessMap;
+import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto;
 import com.android.internal.os.ProcessCpuTracker;
 import com.android.server.Watchdog;
 
@@ -403,6 +405,10 @@
         Intent appErrorIntent = null;
         final long ident = Binder.clearCallingIdentity();
         try {
+            MetricsLogger.action(mContext, MetricsProto.MetricsEvent.ACTION_APP_CRASH, res);
+            if (res == AppErrorDialog.TIMEOUT) {
+                res = AppErrorDialog.FORCE_QUIT;
+            }
             if (res == AppErrorDialog.RESET) {
                 String[] packageList = r.getPackageList();
                 if (packageList != null) {
@@ -697,7 +703,7 @@
             if (proc != null && proc.crashDialog != null) {
                 Slog.e(TAG, "App already has crash dialog: " + proc);
                 if (res != null) {
-                    res.set(0);
+                    res.set(AppErrorDialog.ALREADY_SHOWING);
                 }
                 return;
             }
@@ -710,7 +716,7 @@
             if (isBackground && !showBackground) {
                 Slog.w(TAG, "Skipping crash dialog of " + proc + ": background");
                 if (res != null) {
-                    res.set(0);
+                    res.set(AppErrorDialog.BACKGROUND_USER);
                 }
                 return;
             }
@@ -724,7 +730,7 @@
                 // The device is asleep, so just pretend that the user
                 // saw a crash dialog and hit "force quit".
                 if (res != null) {
-                    res.set(0);
+                    res.set(AppErrorDialog.CANT_SHOW);
                 }
             }
         }
@@ -920,6 +926,8 @@
             ProcessRecord proc = (ProcessRecord)data.get("app");
             if (proc != null && proc.anrDialog != null) {
                 Slog.e(TAG, "App already has anr dialog: " + proc);
+                MetricsLogger.action(mContext, MetricsProto.MetricsEvent.ACTION_APP_ANR,
+                        AppNotRespondingDialog.ALREADY_SHOWING);
                 return;
             }
 
@@ -939,6 +947,8 @@
                 d.show();
                 proc.anrDialog = d;
             } else {
+                MetricsLogger.action(mContext, MetricsProto.MetricsEvent.ACTION_APP_ANR,
+                        AppNotRespondingDialog.CANT_SHOW);
                 // Just kill the app if there is no dialog to be shown.
                 mService.killAppAtUsersRequest(proc, null);
             }
diff --git a/services/core/java/com/android/server/am/AppNotRespondingDialog.java b/services/core/java/com/android/server/am/AppNotRespondingDialog.java
index 9875887..6d1d9f3 100644
--- a/services/core/java/com/android/server/am/AppNotRespondingDialog.java
+++ b/services/core/java/com/android/server/am/AppNotRespondingDialog.java
@@ -16,6 +16,9 @@
 
 package com.android.server.am;
 
+import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.MetricsProto;
+
 import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -41,6 +44,9 @@
     static final int WAIT = 2;
     static final int WAIT_AND_REPORT = 3;
 
+    public static final int CANT_SHOW = -1;
+    public static final int ALREADY_SHOWING = -2;
+
     private final ActivityManagerService mService;
     private final ProcessRecord mProc;
 
@@ -132,6 +138,10 @@
     private final Handler mHandler = new Handler() {
         public void handleMessage(Message msg) {
             Intent appErrorIntent = null;
+
+            MetricsLogger.action(getContext(), MetricsProto.MetricsEvent.ACTION_APP_ANR,
+                    msg.what);
+
             switch (msg.what) {
                 case FORCE_CLOSE:
                     // Kill the application.
diff --git a/services/core/java/com/android/server/job/JobSchedulerService.java b/services/core/java/com/android/server/job/JobSchedulerService.java
index f1d7b36..536c75e 100644
--- a/services/core/java/com/android/server/job/JobSchedulerService.java
+++ b/services/core/java/com/android/server/job/JobSchedulerService.java
@@ -19,6 +19,7 @@
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Iterator;
 import java.util.List;
 
@@ -54,6 +55,7 @@
 
 import android.util.SparseBooleanArray;
 import com.android.internal.app.IBatteryStats;
+import com.android.internal.util.ArrayUtils;
 import com.android.server.DeviceIdleController;
 import com.android.server.LocalServices;
 import com.android.server.job.JobStore.JobStatusFunctor;
@@ -66,6 +68,8 @@
 import com.android.server.job.controllers.StateController;
 import com.android.server.job.controllers.TimeController;
 
+import libcore.util.EmptyArray;
+
 /**
  * Responsible for taking jobs representing work to be performed by a client app, and determining
  * based on the criteria specified when that job should be run against the client application's
@@ -142,7 +146,7 @@
      */
     final ArrayList<JobStatus> mPendingJobs = new ArrayList<>();
 
-    final ArrayList<Integer> mStartedUsers = new ArrayList<>();
+    int[] mStartedUsers = EmptyArray.INT;
 
     final JobHandler mHandler;
     final JobSchedulerStub mJobSchedulerStub;
@@ -228,14 +232,20 @@
 
     @Override
     public void onStartUser(int userHandle) {
-        mStartedUsers.add(userHandle);
+        mStartedUsers = ArrayUtils.appendInt(mStartedUsers, userHandle);
+        // Let's kick any outstanding jobs for this user.
+        mHandler.obtainMessage(MSG_CHECK_JOB).sendToTarget();
+    }
+
+    @Override
+    public void onUnlockUser(int userHandle) {
         // Let's kick any outstanding jobs for this user.
         mHandler.obtainMessage(MSG_CHECK_JOB).sendToTarget();
     }
 
     @Override
     public void onStopUser(int userHandle) {
-        mStartedUsers.remove(Integer.valueOf(userHandle));
+        mStartedUsers = ArrayUtils.removeInt(mStartedUsers, userHandle);
     }
 
     /**
@@ -936,18 +946,31 @@
          *      - It's not pending.
          *      - It's not already running on a JSC.
          *      - The user that requested the job is running.
+         *      - The component is enabled and runnable.
          */
         private boolean isReadyToBeExecutedLocked(JobStatus job) {
             final boolean jobReady = job.isReady();
             final boolean jobPending = mPendingJobs.contains(job);
             final boolean jobActive = isCurrentlyActiveLocked(job);
-            final boolean userRunning = mStartedUsers.contains(job.getUserId());
+
+            final int userId = job.getUserId();
+            final boolean userStarted = ArrayUtils.contains(mStartedUsers, userId);
+            final boolean componentPresent;
+            try {
+                componentPresent = (AppGlobals.getPackageManager().getServiceInfo(
+                        job.getServiceComponent(), PackageManager.MATCH_DEBUG_TRIAGED_MISSING,
+                        userId) != null);
+            } catch (RemoteException e) {
+                throw e.rethrowAsRuntimeException();
+            }
+
             if (DEBUG) {
                 Slog.v(TAG, "isReadyToBeExecutedLocked: " + job.toShortString()
                         + " ready=" + jobReady + " pending=" + jobPending
-                        + " active=" + jobActive + " userRunning=" + userRunning);
+                        + " active=" + jobActive + " userStarted=" + userStarted
+                        + " componentPresent=" + componentPresent);
             }
-            return userRunning && jobReady && !jobPending && !jobActive;
+            return userStarted && componentPresent && jobReady && !jobPending && !jobActive;
         }
 
         /**
@@ -1295,11 +1318,7 @@
     void dumpInternal(final PrintWriter pw) {
         final long now = SystemClock.elapsedRealtime();
         synchronized (mLock) {
-            pw.print("Started users: ");
-            for (int i=0; i<mStartedUsers.size(); i++) {
-                pw.print("u" + mStartedUsers.get(i) + " ");
-            }
-            pw.println();
+            pw.println("Started users: " + Arrays.toString(mStartedUsers));
             pw.println("Registered jobs:");
             if (mJobs.size() > 0) {
                 mJobs.forEachJob(new JobStatusFunctor() {
@@ -1319,7 +1338,7 @@
                         pw.print(" active=");
                         pw.print(isCurrentlyActiveLocked(job));
                         pw.print(" user=");
-                        pw.print(mStartedUsers.contains(job.getUserId()));
+                        pw.print(ArrayUtils.contains(mStartedUsers, job.getUserId()));
                         pw.println(")");
                     }
                 });
diff --git a/services/core/java/com/android/server/media/MediaSessionRecord.java b/services/core/java/com/android/server/media/MediaSessionRecord.java
index 862c061..29c54e9 100644
--- a/services/core/java/com/android/server/media/MediaSessionRecord.java
+++ b/services/core/java/com/android/server/media/MediaSessionRecord.java
@@ -77,6 +77,8 @@
      */
     private static final int OPTIMISTIC_VOLUME_TIMEOUT = 1000;
 
+    private static final int UID_NOT_SET = -1;
+
     private final MessageHandler mHandler;
 
     private final int mOwnerPid;
@@ -122,6 +124,9 @@
     private boolean mIsActive = false;
     private boolean mDestroyed = false;
 
+    private int mCallingUid = UID_NOT_SET;
+    private String mCallingPackage;
+
     public MediaSessionRecord(int ownerPid, int ownerUid, int userId, String ownerPackageName,
             ISessionCallback cb, String tag, MediaSessionService service, Handler handler) {
         mOwnerPid = ownerPid;
@@ -419,7 +424,9 @@
         return mSessionCb.mCb;
     }
 
-    public void sendMediaButton(KeyEvent ke, int sequenceId, ResultReceiver cb) {
+    public void sendMediaButton(KeyEvent ke, int sequenceId,
+            ResultReceiver cb, int uid, String packageName) {
+        updateCallingPackage(uid, packageName);
         mSessionCb.sendMediaButton(ke, sequenceId, cb);
     }
 
@@ -680,6 +687,33 @@
         return -1;
     }
 
+    private void updateCallingPackage() {
+        updateCallingPackage(UID_NOT_SET, null);
+    }
+
+    private void updateCallingPackage(int uid, String packageName) {
+        if (uid == UID_NOT_SET) {
+            uid = Binder.getCallingUid();
+        }
+        synchronized (mLock) {
+            if (mCallingUid == UID_NOT_SET || mCallingUid != uid) {
+                mCallingUid = uid;
+                mCallingPackage = packageName;
+                if (mCallingPackage != null) {
+                    return;
+                }
+                Context context = mService.getContext();
+                if (context == null) {
+                    return;
+                }
+                String[] packages = context.getPackageManager().getPackagesForUid(uid);
+                if (packages != null && packages.length > 0) {
+                    mCallingPackage = packages[0];
+                }
+            }
+        }
+    }
+
     private final Runnable mClearOptimisticVolumeRunnable = new Runnable() {
         @Override
         public void run() {
@@ -831,6 +865,11 @@
                 mHandler.post(MessageHandler.MSG_UPDATE_VOLUME);
             }
         }
+
+        @Override
+        public String getCallingPackage() {
+            return mCallingPackage;
+        }
     }
 
     class SessionCb {
@@ -1025,11 +1064,13 @@
         @Override
         public void sendCommand(String command, Bundle args, ResultReceiver cb)
                 throws RemoteException {
+            updateCallingPackage();
             mSessionCb.sendCommand(command, args, cb);
         }
 
         @Override
         public boolean sendMediaButton(KeyEvent mediaButtonIntent) {
+            updateCallingPackage();
             return mSessionCb.sendMediaButton(mediaButtonIntent, 0, null);
         }
 
@@ -1111,6 +1152,7 @@
 
         @Override
         public void adjustVolume(int direction, int flags, String packageName) {
+            updateCallingPackage();
             int uid = Binder.getCallingUid();
             final long token = Binder.clearCallingIdentity();
             try {
@@ -1122,6 +1164,7 @@
 
         @Override
         public void setVolumeTo(int value, int flags, String packageName) {
+            updateCallingPackage();
             int uid = Binder.getCallingUid();
             final long token = Binder.clearCallingIdentity();
             try {
@@ -1133,94 +1176,111 @@
 
         @Override
         public void prepare() throws RemoteException {
+            updateCallingPackage();
             mSessionCb.prepare();
         }
 
         @Override
         public void prepareFromMediaId(String mediaId, Bundle extras)
                 throws RemoteException {
+            updateCallingPackage();
             mSessionCb.prepareFromMediaId(mediaId, extras);
         }
 
         @Override
         public void prepareFromSearch(String query, Bundle extras) throws RemoteException {
+            updateCallingPackage();
             mSessionCb.prepareFromSearch(query, extras);
         }
 
         @Override
         public void prepareFromUri(Uri uri, Bundle extras) throws RemoteException {
+            updateCallingPackage();
             mSessionCb.prepareFromUri(uri, extras);
         }
 
         @Override
         public void play() throws RemoteException {
+            updateCallingPackage();
             mSessionCb.play();
         }
 
         @Override
         public void playFromMediaId(String mediaId, Bundle extras) throws RemoteException {
+            updateCallingPackage();
             mSessionCb.playFromMediaId(mediaId, extras);
         }
 
         @Override
         public void playFromSearch(String query, Bundle extras) throws RemoteException {
+            updateCallingPackage();
             mSessionCb.playFromSearch(query, extras);
         }
 
         @Override
         public void playFromUri(Uri uri, Bundle extras) throws RemoteException {
+            updateCallingPackage();
             mSessionCb.playFromUri(uri, extras);
         }
 
         @Override
         public void skipToQueueItem(long id) {
+            updateCallingPackage();
             mSessionCb.skipToTrack(id);
         }
 
-
         @Override
         public void pause() throws RemoteException {
+            updateCallingPackage();
             mSessionCb.pause();
         }
 
         @Override
         public void stop() throws RemoteException {
+            updateCallingPackage();
             mSessionCb.stop();
         }
 
         @Override
         public void next() throws RemoteException {
+            updateCallingPackage();
             mSessionCb.next();
         }
 
         @Override
         public void previous() throws RemoteException {
+            updateCallingPackage();
             mSessionCb.previous();
         }
 
         @Override
         public void fastForward() throws RemoteException {
+            updateCallingPackage();
             mSessionCb.fastForward();
         }
 
         @Override
         public void rewind() throws RemoteException {
+            updateCallingPackage();
             mSessionCb.rewind();
         }
 
         @Override
         public void seekTo(long pos) throws RemoteException {
+            updateCallingPackage();
             mSessionCb.seekTo(pos);
         }
 
         @Override
         public void rate(Rating rating) throws RemoteException {
+            updateCallingPackage();
             mSessionCb.rate(rating);
         }
 
         @Override
         public void sendCustomAction(String action, Bundle args)
                 throws RemoteException {
+            updateCallingPackage();
             mSessionCb.sendCustomAction(action, args);
         }
 
diff --git a/services/core/java/com/android/server/media/MediaSessionService.java b/services/core/java/com/android/server/media/MediaSessionService.java
index 745f476..e3c540a5 100644
--- a/services/core/java/com/android/server/media/MediaSessionService.java
+++ b/services/core/java/com/android/server/media/MediaSessionService.java
@@ -946,7 +946,8 @@
                 // won't release it later
                 session.sendMediaButton(keyEvent,
                         needWakeLock ? mKeyEventReceiver.mLastTimeoutId : -1,
-                        mKeyEventReceiver);
+                        mKeyEventReceiver, getContext().getApplicationInfo().uid,
+                        getContext().getPackageName());
             } else {
                 // Launch the last PendingIntent we had with priority
                 UserRecord user = mUserRecords.get(mCurrentUserId);
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 9b70802..3f06c78 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -10668,14 +10668,14 @@
                     pkgSetting.setInstalled(true, userId);
                     pkgSetting.setHidden(false, userId);
                     mSettings.writePackageRestrictionsLPr(userId);
-                    if (pkgSetting.pkg != null) {
-                        prepareAppDataAfterInstall(pkgSetting.pkg);
-                    }
                     installed = true;
                 }
             }
 
             if (installed) {
+                if (pkgSetting.pkg != null) {
+                    prepareAppDataAfterInstall(pkgSetting.pkg);
+                }
                 sendPackageAddedForUser(packageName, pkgSetting, userId);
             }
         } finally {
@@ -10726,7 +10726,7 @@
                     }
                     appId = pkgSetting.appId;
                     if (pkgSetting.getSuspended(userId) != suspended) {
-                        if (!canSuspendPackageForUser(packageName, userId)) {
+                        if (!canSuspendPackageForUserLocked(packageName, userId)) {
                             unactionedPackages.add(packageName);
                             continue;
                         }
@@ -10765,7 +10765,7 @@
     }
 
     // TODO: investigate and add more restrictions for suspending crucial packages.
-    private boolean canSuspendPackageForUser(String packageName, int userId) {
+    private boolean canSuspendPackageForUserLocked(String packageName, int userId) {
         if (isPackageDeviceAdmin(packageName, userId)) {
             Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName
                     + "\": has active device admin");
@@ -10779,6 +10779,13 @@
             return false;
         }
 
+        final PackageParser.Package pkg = mPackages.get(packageName);
+        if (pkg != null && isPrivilegedApp(pkg)) {
+            Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName
+                    + "\" because it is a privileged app");
+            return false;
+        }
+
         return true;
     }
 
@@ -18040,6 +18047,8 @@
      * correct for all installed apps. If there is an ownership mismatch, it
      * will try recovering system apps by wiping data; third-party app data is
      * left intact.
+     * <p>
+     * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em>
      */
     private void prepareAppDataAfterInstall(PackageParser.Package pkg) {
         prepareAppDataAfterInstallInternal(pkg);
diff --git a/services/core/java/com/android/server/webkit/WebViewUpdateService.java b/services/core/java/com/android/server/webkit/WebViewUpdateService.java
index bc5d73f..9c770e1 100644
--- a/services/core/java/com/android/server/webkit/WebViewUpdateService.java
+++ b/services/core/java/com/android/server/webkit/WebViewUpdateService.java
@@ -125,16 +125,12 @@
 
                     updateFallbackState(context, intent);
 
-                    // TODO(gsennton) for now don't update WebView on PACKAGE_CHANGED as this will
-                    // change the current behaviour even more, instead do this in a follow-up.
-                    if (intent.getAction().equals(Intent.ACTION_PACKAGE_CHANGED)) return;
-
                     for (WebViewProviderInfo provider : WebViewFactory.getWebViewPackages()) {
                         String webviewPackage = "package:" + provider.packageName;
 
                         if (webviewPackage.equals(intent.getDataString())) {
                             boolean updateWebView = false;
-                            boolean removedOldPackage = false;
+                            boolean removedOrChangedOldPackage = false;
                             String oldProviderName = null;
                             PackageInfo newPackage = null;
                             synchronized(WebViewUpdateService.this) {
@@ -152,7 +148,7 @@
                                         || mCurrentWebViewPackage == null;
                                     // We removed the old package if we received an intent to remove
                                     // or replace the old package.
-                                    removedOldPackage =
+                                    removedOrChangedOldPackage =
                                         provider.packageName.equals(oldProviderName);
                                     if (updateWebView) {
                                         onWebViewProviderChanged(newPackage);
@@ -162,7 +158,8 @@
                                             "relro with " + e);
                                 }
                             }
-                            if(updateWebView && !removedOldPackage && oldProviderName != null) {
+                            if(updateWebView && !removedOrChangedOldPackage
+                                    && oldProviderName != null) {
                                 // If the provider change is the result of adding or replacing a
                                 // package that was not the previous provider then we must kill
                                 // packages dependent on the old package ourselves. The framework
diff --git a/services/core/java/com/android/server/wm/AppWindowToken.java b/services/core/java/com/android/server/wm/AppWindowToken.java
index 12c62bd..f9e258d 100644
--- a/services/core/java/com/android/server/wm/AppWindowToken.java
+++ b/services/core/java/com/android/server/wm/AppWindowToken.java
@@ -21,6 +21,7 @@
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ANIM;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_TRANSITIONS;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STARTING_WINDOW;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_VISIBILITY;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WINDOW_MOVEMENT;
 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
@@ -159,6 +160,25 @@
         }
     }
 
+    void onFirstWindowDrawn(WindowState win, WindowStateAnimator winAnimator) {
+        firstWindowDrawn = true;
+
+        // We now have a good window to show, remove dead placeholders
+        removeAllDeadWindows();
+
+        if (startingData != null) {
+            if (DEBUG_STARTING_WINDOW || DEBUG_ANIM) Slog.v(TAG, "Finish starting "
+                    + win.mToken + ": first real window is shown, no animation");
+            // If this initial window is animating, stop it -- we will do an animation to reveal
+            // it from behind the starting window, so there is no need for it to also be doing its
+            // own stuff.
+            winAnimator.clearAnimation();
+            winAnimator.mService.mFinishedStarting.add(this);
+            winAnimator.mService.mH.sendEmptyMessage(H.FINISHED_STARTING);
+        }
+        updateReportedVisibilityLocked();
+    }
+
     void updateReportedVisibilityLocked() {
         if (appToken == null) {
             return;
@@ -357,6 +377,9 @@
     void notifyAppStopped() {
         mAppStopped = true;
         destroySurfaces();
+
+        // Remove any starting window that was added for this app if they are still around.
+        mTask.mService.scheduleRemoveStartingWindowLocked(this);
     }
 
     /**
@@ -594,6 +617,9 @@
         if (paused) {
             pw.print(prefix); pw.print("paused="); pw.println(paused);
         }
+        if (mAppStopped) {
+            pw.print(prefix); pw.print("mAppStopped="); pw.println(mAppStopped);
+        }
         if (numInterestingWindows != 0 || numDrawnWindows != 0
                 || allDrawn || mAppAnimator.allDrawn) {
             pw.print(prefix); pw.print("numInterestingWindows=");
@@ -619,7 +645,7 @@
             pw.print(prefix); pw.print("startingWindow="); pw.print(startingWindow);
                     pw.print(" startingView="); pw.print(startingView);
                     pw.print(" startingDisplayed="); pw.print(startingDisplayed);
-                    pw.print(" startingMoved"); pw.println(startingMoved);
+                    pw.print(" startingMoved="); pw.println(startingMoved);
         }
         if (!mFrozenBounds.isEmpty()) {
             pw.print(prefix); pw.print("mFrozenBounds="); pw.print(mFrozenBounds);
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 44ed7e2..40b6b50 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -2347,7 +2347,8 @@
         pw.print(prefix); pw.print("mHasSurface="); pw.print(mHasSurface);
                 pw.print(" mShownPosition="); mShownPosition.printShortString(pw);
                 pw.print(" isReadyForDisplay()="); pw.print(isReadyForDisplay());
-                pw.print(" hasSavedSurface()="); pw.println(hasSavedSurface());
+                pw.print(" hasSavedSurface()="); pw.print(hasSavedSurface());
+                pw.print(" mWindowRemovalAllowed="); pw.println(mWindowRemovalAllowed);
         if (dumpAll) {
             pw.print(prefix); pw.print("mFrame="); mFrame.printShortString(pw);
                     pw.print(" last="); mLastFrame.printShortString(pw);
diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index 2d8a4c9..c623047 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -1522,23 +1522,7 @@
             }
 
             if (mWin.mAttrs.type != TYPE_APPLICATION_STARTING && mWin.mAppToken != null) {
-                mWin.mAppToken.firstWindowDrawn = true;
-
-                // We now have a good window to show, remove dead placeholders
-                mWin.mAppToken.removeAllDeadWindows();
-
-                if (mWin.mAppToken.startingData != null) {
-                    if (DEBUG_STARTING_WINDOW || DEBUG_ANIM) Slog.v(TAG, "Finish starting "
-                            + mWin.mToken + ": first real window is shown, no animation");
-                    // If this initial window is animating, stop it -- we
-                    // will do an animation to reveal it from behind the
-                    // starting window, so there is no need for it to also
-                    // be doing its own stuff.
-                    clearAnimation();
-                    mService.mFinishedStarting.add(mWin.mAppToken);
-                    mService.mH.sendEmptyMessage(H.FINISHED_STARTING);
-                }
-                mWin.mAppToken.updateReportedVisibilityLocked();
+                mWin.mAppToken.onFirstWindowDrawn(mWin, this);
             }
 
             return true;
diff --git a/services/core/java/com/android/server/wm/WindowSurfaceController.java b/services/core/java/com/android/server/wm/WindowSurfaceController.java
index 0db6f3a..2972a24 100644
--- a/services/core/java/com/android/server/wm/WindowSurfaceController.java
+++ b/services/core/java/com/android/server/wm/WindowSurfaceController.java
@@ -62,7 +62,9 @@
     // However, we need to somehow handle the situation where the cropping would completely hide
     // the window. We achieve this by explicitly hiding the surface and not letting it be shown.
     private boolean mHiddenForCrop = false;
-    private boolean mHiddenForOtherReasons = false;
+
+    // Initially a surface is hidden after just being created.
+    private boolean mHiddenForOtherReasons = true;
     private final String title;
 
     public WindowSurfaceController(SurfaceSession s,
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index d08f68a..0ece6aa 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -1279,10 +1279,12 @@
                 }
                 Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
 
-                Slog.i(TAG, "WebViewFactory preparation");
-                Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, "WebViewFactoryPreparation");
-                mWebViewUpdateService.prepareWebViewInSystemServer();
-                Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
+                if (!mOnlyCore) {
+                    Slog.i(TAG, "WebViewFactory preparation");
+                    Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, "WebViewFactoryPreparation");
+                    mWebViewUpdateService.prepareWebViewInSystemServer();
+                    Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
+                }
 
                 Trace.traceBegin(Trace.TRACE_TAG_SYSTEM_SERVER, "StartSystemUI");
                 try {
diff --git a/telecomm/java/android/telecom/ConnectionService.java b/telecomm/java/android/telecom/ConnectionService.java
index 56d9491..5b62e03 100644
--- a/telecomm/java/android/telecom/ConnectionService.java
+++ b/telecomm/java/android/telecom/ConnectionService.java
@@ -1053,6 +1053,16 @@
     }
 
     /**
+     * Returns all the active {@code Conference}s for which this {@code ConnectionService}
+     * has taken responsibility.
+     *
+     * @return A collection of {@code Conference}s created by this {@code ConnectionService}.
+     */
+    public final Collection<Conference> getAllConferences() {
+        return mConferenceById.values();
+    }
+
+    /**
      * Create a {@code Connection} given an incoming request. This is used to attach to existing
      * incoming calls.
      *
diff --git a/telecomm/java/android/telecom/DisconnectCause.java b/telecomm/java/android/telecom/DisconnectCause.java
index 3a7faf6..2eef7ee 100644
--- a/telecomm/java/android/telecom/DisconnectCause.java
+++ b/telecomm/java/android/telecom/DisconnectCause.java
@@ -92,8 +92,8 @@
     /**
      * Creates a new DisconnectCause.
      *
-     * @param label The localized label to show to the user to explain the disconnect.
      * @param code The code for the disconnect cause.
+     * @param label The localized label to show to the user to explain the disconnect.
      * @param description The localized description to show to the user to explain the disconnect.
      * @param reason The reason for the disconnect.
      */
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 3ad7d34..1278c07 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -733,9 +733,28 @@
      * @param subId the subscription ID, normally obtained from {@link SubscriptionManager}.
      * @return A {@link PersistableBundle} containing the config for the given subId, or default
      *         values for an invalid subId.
+     *
+     * @deprecated use getConfig.
      */
     @Nullable
     public PersistableBundle getConfigForSubId(int subId) {
+        return getConfig(subId);
+    }
+
+    /**
+     * Gets the configuration values for a particular subscription, which is associated with a
+     * specific SIM card. If an invalid subId is used, the returned config will contain default
+     * values.
+     *
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
+     *
+     * @param subId the subscription ID, normally obtained from {@link SubscriptionManager}.
+     * @return A {@link PersistableBundle} containing the config for the given subId, or default
+     *         values for an invalid subId.
+     */
+    @Nullable
+    public PersistableBundle getConfig(int subId) {
         try {
             ICarrierConfigLoader loader = getICarrierConfigLoader();
             if (loader == null) {
@@ -757,11 +776,32 @@
      * <p>Requires Permission:
      * {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
      *
-     * @see #getConfigForSubId
+     * @return A {@link PersistableBundle} containing the config for the default subscription.
      */
     @Nullable
     public PersistableBundle getConfig() {
-        return getConfigForSubId(SubscriptionManager.getDefaultSubscriptionId());
+        return getConfig(SubscriptionManager.getDefaultSubscriptionId());
+    }
+
+    /**
+     * Calling this method triggers telephony services to fetch the current carrier configuration.
+     * <p>
+     * Normally this does not need to be called because the platform reloads config on its own.
+     * This should be called by a carrier service app if it wants to update config at an arbitrary
+     * moment.
+     * </p>
+     * <p>Requires that the calling app has carrier privileges.
+     * @see #hasCarrierPrivileges
+     * <p>
+     * This method returns before the reload has completed, and
+     * {@link android.service.carrier.CarrierService#onLoadConfig} will be called from an
+     * arbitrary thread.
+     * </p>
+     *
+     * @deprecated use notifyConfigChanged.
+     */
+    public void notifyConfigChangedForSubId(int subId) {
+        notifyConfigChanged(subId);
     }
 
     /**
@@ -779,7 +819,7 @@
      * arbitrary thread.
      * </p>
      */
-    public void notifyConfigChangedForSubId(int subId) {
+    public void notifyConfigChanged(int subId) {
         try {
             ICarrierConfigLoader loader = getICarrierConfigLoader();
             if (loader == null) {
diff --git a/telephony/java/com/android/ims/internal/IImsRegistrationListener.aidl b/telephony/java/com/android/ims/internal/IImsRegistrationListener.aidl
index 69259d0..04cb1f2 100644
--- a/telephony/java/com/android/ims/internal/IImsRegistrationListener.aidl
+++ b/telephony/java/com/android/ims/internal/IImsRegistrationListener.aidl
@@ -18,6 +18,8 @@
 
 import com.android.ims.ImsReasonInfo;
 
+import android.net.Uri;
+
 /**
  * A listener type for receiving notifications about the changes to
  * the IMS connection(registration).
@@ -100,4 +102,9 @@
      * @param count The number of waiting voice messages.
      */
     void voiceMessageCountUpdate(int count);
+
+    /**
+     * Notifies the application when the list of URIs associated with IMS client is updated.
+     */
+    void registrationAssociatedUriChanged(in Uri[] uris);
 }
diff --git a/tools/aapt/ResourceTable.cpp b/tools/aapt/ResourceTable.cpp
index e87c7d40..f979c84 100644
--- a/tools/aapt/ResourceTable.cpp
+++ b/tools/aapt/ResourceTable.cpp
@@ -308,29 +308,13 @@
         }
         added = true;
 
-        String16 attr16("attr");
-        
-        if (outTable->hasBagOrEntry(myPackage, attr16, ident)) {
+        if (!outTable->makeAttribute(myPackage, ident, sourcePos, type, comment, appendComment)) {
             sourcePos.error("Attribute \"%s\" has already been defined\n",
                     String8(ident).string());
             hasErrors = true;
             return UNKNOWN_ERROR;
         }
-        
-        char numberStr[16];
-        sprintf(numberStr, "%d", type);
-        status_t err = outTable->addBag(sourcePos, myPackage,
-                attr16, ident, String16(""),
-                String16("^type"),
-                String16(numberStr), NULL, NULL);
-        if (err != NO_ERROR) {
-            hasErrors = true;
-            return err;
-        }
-        outTable->appendComment(myPackage, attr16, ident, comment, appendComment);
-        //printf("Attribute %s comment: %s\n", String8(ident).string(),
-        //     String8(comment).string());
-        return err;
+        return UNKNOWN_ERROR;
     }
 };
 
@@ -2115,6 +2099,50 @@
     return false;
 }
 
+bool ResourceTable::makeAttribute(const String16& package,
+                                  const String16& name,
+                                  const SourcePos& source,
+                                  int32_t format,
+                                  const String16& comment,
+                                  bool shouldAppendComment) {
+    const String16 attr16("attr");
+
+    // First look for this in the included resources...
+    uint32_t rid = mAssets->getIncludedResources()
+            .identifierForName(name.string(), name.size(),
+                               attr16.string(), attr16.size(),
+                               package.string(), package.size());
+    if (rid != 0) {
+        return false;
+    }
+
+    sp<ResourceTable::Entry> entry = getEntry(package, attr16, name, source, false);
+    if (entry == NULL) {
+        return false;
+    }
+
+    if (entry->makeItABag(source) != NO_ERROR) {
+        return false;
+    }
+
+    const String16 formatKey16("^type");
+    const String16 formatValue16(String8::format("%d", format));
+
+    ssize_t idx = entry->getBag().indexOfKey(formatKey16);
+    if (idx >= 0) {
+        // We have already set a format for this attribute, check if they are different.
+        // We allow duplicate attribute definitions so long as they are identical.
+        // This is to ensure interoperation with libraries that define the same generic attribute.
+        if (entry->getBag().valueAt(idx).value != formatValue16) {
+            return false;
+        }
+    } else {
+        entry->addToBag(source, formatKey16, formatValue16);
+    }
+    appendComment(package, attr16, name, comment, shouldAppendComment);
+    return true;
+}
+
 void ResourceTable::canAddEntry(const SourcePos& pos,
         const String16& package, const String16& type, const String16& name)
 {
diff --git a/tools/aapt/ResourceTable.h b/tools/aapt/ResourceTable.h
index 4b7b3cd..cf1e992 100644
--- a/tools/aapt/ResourceTable.h
+++ b/tools/aapt/ResourceTable.h
@@ -571,6 +571,18 @@
 
     void getDensityVaryingResources(KeyedVector<Symbol, Vector<SymbolDefinition> >& resources);
 
+    /**
+     * Make an attribute with the specified format. If another attribute with the same name but
+     * different format exists, this method returns false. If the name is not taken, or if the
+     * format is identical, this returns true.
+     */
+    bool makeAttribute(const String16& package,
+                       const String16& name,
+                       const SourcePos& source,
+                       int32_t format,
+                       const String16& comment,
+                       bool appendComment);
+
 private:
     void writePublicDefinitions(const String16& package, FILE* fp, bool pub);
     sp<Package> getPackage(const String16& package);
diff --git a/wifi/java/android/net/wifi/ScanResult.java b/wifi/java/android/net/wifi/ScanResult.java
index ed12bdf..a46aaec 100644
--- a/wifi/java/android/net/wifi/ScanResult.java
+++ b/wifi/java/android/net/wifi/ScanResult.java
@@ -160,21 +160,6 @@
         }
     }
 
-    /** @hide */
-    public static final int ENABLED                                          = 0;
-    /** @hide */
-    public static final int AUTO_ROAM_DISABLED                               = 16;
-    /** @hide */
-    public static final int AUTO_JOIN_DISABLED                               = 32;
-    /** @hide */
-    public static final int AUTHENTICATION_ERROR                              = 128;
-
-    /**
-     * Status: indicating join status
-     * @hide
-     */
-    public int autoJoinStatus;
-
     /**
      * num IP configuration failures
      * @hide
@@ -187,17 +172,6 @@
      */
     public long blackListTimestamp;
 
-    /** @hide **/
-    public void setAutoJoinStatus(int status) {
-        if (status < 0) status = 0;
-        if (status == 0) {
-            blackListTimestamp = 0;
-        }  else if (status > autoJoinStatus) {
-            blackListTimestamp = System.currentTimeMillis();
-        }
-        autoJoinStatus = status;
-    }
-
     /**
      * Status: indicating the scan result is not a result
      * that is part of user's saved configurations
@@ -462,7 +436,6 @@
             distanceCm = source.distanceCm;
             distanceSdCm = source.distanceSdCm;
             seen = source.seen;
-            autoJoinStatus = source.autoJoinStatus;
             untrusted = source.untrusted;
             numConnection = source.numConnection;
             numUsage = source.numUsage;
@@ -506,9 +479,6 @@
 
         sb.append(", passpoint: ");
         sb.append(((flags & FLAG_PASSPOINT_NETWORK) != 0) ? "yes" : "no");
-        if (autoJoinStatus != 0) {
-            sb.append(", status: ").append(autoJoinStatus);
-        }
         sb.append(", ChannelBandwidth: ").append(channelWidth);
         sb.append(", centerFreq0: ").append(centerFreq0);
         sb.append(", centerFreq1: ").append(centerFreq1);
@@ -544,7 +514,6 @@
         dest.writeInt(centerFreq0);
         dest.writeInt(centerFreq1);
         dest.writeLong(seen);
-        dest.writeInt(autoJoinStatus);
         dest.writeInt(untrusted ? 1 : 0);
         dest.writeInt(numConnection);
         dest.writeInt(numUsage);
@@ -615,7 +584,6 @@
                 );
 
                 sr.seen = in.readLong();
-                sr.autoJoinStatus = in.readInt();
                 sr.untrusted = in.readInt() != 0;
                 sr.numConnection = in.readInt();
                 sr.numUsage = in.readInt();