Merge changes Iac20cc7b,I87ce6320

* changes:
  Fixing potential issue with wrong task descriptions being loaded.
  Refactoring to AnimatedEvent.
diff --git a/Android.mk b/Android.mk
index a098379..51dfa57 100644
--- a/Android.mk
+++ b/Android.mk
@@ -226,6 +226,7 @@
 	core/java/android/service/carrier/ICarrierMessagingService.aidl \
 	core/java/android/service/gatekeeper/IGateKeeperService.aidl \
 	core/java/android/service/notification/INotificationListener.aidl \
+	core/java/android/service/notification/INotificationAssistant.aidl \
 	core/java/android/service/notification/IStatusBarNotificationHolder.aidl \
 	core/java/android/service/notification/IConditionListener.aidl \
 	core/java/android/service/notification/IConditionProvider.aidl \
diff --git a/api/current.txt b/api/current.txt
index 5421f05..e4962d8 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -30919,6 +30919,7 @@
     field public static final java.lang.String ACTION_LOCATION_SOURCE_SETTINGS = "android.settings.LOCATION_SOURCE_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS = "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_APPLICATIONS_SETTINGS = "android.settings.MANAGE_APPLICATIONS_SETTINGS";
+    field public static final java.lang.String ACTION_MANAGE_DEFAULT_APPS_SETTINGS = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_OVERLAY_PERMISSION = "android.settings.action.MANAGE_OVERLAY_PERMISSION";
     field public static final java.lang.String ACTION_MANAGE_WRITE_SETTINGS = "android.settings.action.MANAGE_WRITE_SETTINGS";
     field public static final java.lang.String ACTION_MEMORY_CARD_SETTINGS = "android.settings.MEMORY_CARD_SETTINGS";
@@ -33195,13 +33196,20 @@
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.ConditionProviderService";
   }
 
+  public class NotificationAdjustment implements android.os.Parcelable {
+    ctor public NotificationAdjustment(int, java.lang.CharSequence, android.net.Uri);
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.service.notification.NotificationAdjustment> CREATOR;
+  }
+
   public abstract class NotificationAssistantService extends android.service.notification.NotificationListenerService {
     ctor public NotificationAssistantService();
-    method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAssistantService.Adjustment);
+    method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAdjustment);
     method public final void clearAnnotation(java.lang.String);
     method public void onNotificationActionClick(java.lang.String, long, int);
     method public void onNotificationClick(java.lang.String, long);
-    method public abstract android.service.notification.NotificationAssistantService.Adjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
+    method public abstract android.service.notification.NotificationAdjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
     method public void onNotificationRemoved(java.lang.String, long, int);
     method public void onNotificationVisibilityChanged(java.lang.String, long, boolean);
     method public final void setAnnotation(java.lang.String, android.app.Notification);
@@ -33218,10 +33226,7 @@
     field public static final int REASON_PACKAGE_BANNED = 7; // 0x7
     field public static final int REASON_PACKAGE_CHANGED = 5; // 0x5
     field public static final int REASON_USER_STOPPED = 6; // 0x6
-  }
-
-  public class NotificationAssistantService.Adjustment {
-    ctor public NotificationAssistantService.Adjustment(int, java.lang.CharSequence, android.net.Uri);
+    field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
   }
 
   public abstract class NotificationListenerService extends android.app.Service {
diff --git a/api/system-current.txt b/api/system-current.txt
index 3071fd9..586ea06 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -9656,7 +9656,6 @@
     method public void setAppLabel(java.lang.CharSequence);
     method public void setAppPackageName(java.lang.String);
     method public void setGrantedRuntimePermissions(java.lang.String[]);
-    method public void setInstallFlagsQuick();
     method public void setInstallLocation(int);
     method public void setOriginatingUid(int);
     method public void setOriginatingUri(android.net.Uri);
@@ -33062,6 +33061,7 @@
     field public static final java.lang.String ACTION_LOCATION_SOURCE_SETTINGS = "android.settings.LOCATION_SOURCE_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS = "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_APPLICATIONS_SETTINGS = "android.settings.MANAGE_APPLICATIONS_SETTINGS";
+    field public static final java.lang.String ACTION_MANAGE_DEFAULT_APPS_SETTINGS = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_OVERLAY_PERMISSION = "android.settings.action.MANAGE_OVERLAY_PERMISSION";
     field public static final java.lang.String ACTION_MANAGE_WRITE_SETTINGS = "android.settings.action.MANAGE_WRITE_SETTINGS";
     field public static final java.lang.String ACTION_MEMORY_CARD_SETTINGS = "android.settings.MEMORY_CARD_SETTINGS";
@@ -35339,13 +35339,20 @@
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.ConditionProviderService";
   }
 
+  public class NotificationAdjustment implements android.os.Parcelable {
+    ctor public NotificationAdjustment(int, java.lang.CharSequence, android.net.Uri);
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.service.notification.NotificationAdjustment> CREATOR;
+  }
+
   public abstract class NotificationAssistantService extends android.service.notification.NotificationListenerService {
     ctor public NotificationAssistantService();
-    method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAssistantService.Adjustment);
+    method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAdjustment);
     method public final void clearAnnotation(java.lang.String);
     method public void onNotificationActionClick(java.lang.String, long, int);
     method public void onNotificationClick(java.lang.String, long);
-    method public abstract android.service.notification.NotificationAssistantService.Adjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
+    method public abstract android.service.notification.NotificationAdjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
     method public void onNotificationRemoved(java.lang.String, long, int);
     method public void onNotificationVisibilityChanged(java.lang.String, long, boolean);
     method public final void setAnnotation(java.lang.String, android.app.Notification);
@@ -35362,10 +35369,7 @@
     field public static final int REASON_PACKAGE_BANNED = 7; // 0x7
     field public static final int REASON_PACKAGE_CHANGED = 5; // 0x5
     field public static final int REASON_USER_STOPPED = 6; // 0x6
-  }
-
-  public class NotificationAssistantService.Adjustment {
-    ctor public NotificationAssistantService.Adjustment(int, java.lang.CharSequence, android.net.Uri);
+    field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
   }
 
   public abstract class NotificationListenerService extends android.app.Service {
diff --git a/api/test-current.txt b/api/test-current.txt
index f418d36..eccd8b0 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -30921,6 +30921,7 @@
     field public static final java.lang.String ACTION_LOCATION_SOURCE_SETTINGS = "android.settings.LOCATION_SOURCE_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS = "android.settings.MANAGE_ALL_APPLICATIONS_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_APPLICATIONS_SETTINGS = "android.settings.MANAGE_APPLICATIONS_SETTINGS";
+    field public static final java.lang.String ACTION_MANAGE_DEFAULT_APPS_SETTINGS = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
     field public static final java.lang.String ACTION_MANAGE_OVERLAY_PERMISSION = "android.settings.action.MANAGE_OVERLAY_PERMISSION";
     field public static final java.lang.String ACTION_MANAGE_WRITE_SETTINGS = "android.settings.action.MANAGE_WRITE_SETTINGS";
     field public static final java.lang.String ACTION_MEMORY_CARD_SETTINGS = "android.settings.MEMORY_CARD_SETTINGS";
@@ -33197,13 +33198,20 @@
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.ConditionProviderService";
   }
 
+  public class NotificationAdjustment implements android.os.Parcelable {
+    ctor public NotificationAdjustment(int, java.lang.CharSequence, android.net.Uri);
+    method public int describeContents();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.service.notification.NotificationAdjustment> CREATOR;
+  }
+
   public abstract class NotificationAssistantService extends android.service.notification.NotificationListenerService {
     ctor public NotificationAssistantService();
-    method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAssistantService.Adjustment);
+    method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAdjustment);
     method public final void clearAnnotation(java.lang.String);
     method public void onNotificationActionClick(java.lang.String, long, int);
     method public void onNotificationClick(java.lang.String, long);
-    method public abstract android.service.notification.NotificationAssistantService.Adjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
+    method public abstract android.service.notification.NotificationAdjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
     method public void onNotificationRemoved(java.lang.String, long, int);
     method public void onNotificationVisibilityChanged(java.lang.String, long, boolean);
     method public final void setAnnotation(java.lang.String, android.app.Notification);
@@ -33220,10 +33228,7 @@
     field public static final int REASON_PACKAGE_BANNED = 7; // 0x7
     field public static final int REASON_PACKAGE_CHANGED = 5; // 0x5
     field public static final int REASON_USER_STOPPED = 6; // 0x6
-  }
-
-  public class NotificationAssistantService.Adjustment {
-    ctor public NotificationAssistantService.Adjustment(int, java.lang.CharSequence, android.net.Uri);
+    field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
   }
 
   public abstract class NotificationListenerService extends android.app.Service {
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 571bc6e..4ed2fd7 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -5300,8 +5300,7 @@
      */
     public boolean isTaskRoot() {
         try {
-            return ActivityManagerNative.getDefault()
-                .getTaskForActivity(mToken, true) >= 0;
+            return ActivityManagerNative.getDefault().getTaskForActivity(mToken, true) >= 0;
         } catch (RemoteException e) {
             return false;
         }
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index c39ee75..681ed5b 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -556,14 +556,6 @@
         public static boolean isAlwaysOnTop(int stackId) {
             return stackId == PINNED_STACK_ID;
         }
-
-        /**
-         * Returns true if the application windows in this stack should be displayed above all
-         * other application windows, including during the animation.
-         */
-        public static boolean shouldIncreaseApplicationWindowLayer(int stackId) {
-            return stackId == PINNED_STACK_ID || stackId == DOCKED_STACK_ID;
-        }
     }
 
     /**
diff --git a/core/java/android/app/INotificationManager.aidl b/core/java/android/app/INotificationManager.aidl
index 136b810..bce5bf3 100644
--- a/core/java/android/app/INotificationManager.aidl
+++ b/core/java/android/app/INotificationManager.aidl
@@ -54,6 +54,7 @@
     int getTopicPriority(String pkg, int uid, in Notification.Topic topic);
     void setTopicImportance(String pkg, int uid, in Notification.Topic topic, int importance);
     int getTopicImportance(String pkg, int uid, in Notification.Topic topic);
+    void setAppImportance(String pkg, int uid, int importance);
 
     // TODO: Remove this when callers have been migrated to the equivalent
     // INotificationListener method.
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 38a4475..67bdad5 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -326,10 +326,30 @@
      */
     public static final int BIND_NOT_VISIBLE = 0x40000000;
 
-    /** Return an AssetManager instance for your application's package. */
+    /**
+     * Returns an AssetManager instance for the application's package.
+     * <p>
+     * <strong>Note:</strong> Implementations of this method should return
+     * an AssetManager instance that is consistent with the Resources instance
+     * returned by {@link #getResources()}. For example, they should share the
+     * same {@link Configuration} object.
+     *
+     * @return an AssetManager instance for the application's package
+     * @see #getResources()
+     */
     public abstract AssetManager getAssets();
 
-    /** Return a Resources instance for your application's package. */
+    /**
+     * Returns a Resources instance for the application's package.
+     * <p>
+     * <strong>Note:</strong> Implementations of this method should return
+     * a Resources instance that is consistent with the AssetManager instance
+     * returned by {@link #getAssets()}. For example, they should share the
+     * same {@link Configuration} object.
+     *
+     * @return a Resources instance for the application's package
+     * @see #getAssets()
+     */
     public abstract Resources getResources();
 
     /** Return PackageManager instance to find global package information. */
diff --git a/core/java/android/content/ContextWrapper.java b/core/java/android/content/ContextWrapper.java
index 1a3d262..c99ddc8 100644
--- a/core/java/android/content/ContextWrapper.java
+++ b/core/java/android/content/ContextWrapper.java
@@ -82,8 +82,7 @@
     }
 
     @Override
-    public Resources getResources()
-    {
+    public Resources getResources() {
         return mBase.getResources();
     }
 
diff --git a/core/java/android/content/pm/PackageInstaller.java b/core/java/android/content/pm/PackageInstaller.java
index d6d395b..3283005 100644
--- a/core/java/android/content/pm/PackageInstaller.java
+++ b/core/java/android/content/pm/PackageInstaller.java
@@ -1042,12 +1042,6 @@
         }
 
         /** {@hide} */
-        @SystemApi
-        public void setInstallFlagsQuick() {
-            installFlags |= PackageManager.INSTALL_QUICK;
-        }
-
-        /** {@hide} */
         public void dump(IndentingPrintWriter pw) {
             pw.printPair("mode", mode);
             pw.printHexPair("installFlags", installFlags);
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 3e7deb9..40bcc7e 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -457,19 +457,11 @@
 
     /**
      * Flag parameter for {@link #installPackage} to indicate that this package is
-     * to be installed quickly.
-     *
-     * @hide
-     */
-    public static final int INSTALL_QUICK = 0x00000800;
-
-    /**
-     * Flag parameter for {@link #installPackage} to indicate that this package is
      * to be installed as a lightweight "ephemeral" app.
      *
      * @hide
      */
-    public static final int INSTALL_EPHEMERAL = 0x00001000;
+    public static final int INSTALL_EPHEMERAL = 0x00000800;
 
     /**
      * Flag parameter for
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index 019ed2b..f445cf8 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -625,9 +625,7 @@
     public final static int PARSE_COLLECT_CERTIFICATES = 1<<8;
     public final static int PARSE_TRUSTED_OVERLAY = 1<<9;
     public final static int PARSE_ENFORCE_CODE = 1<<10;
-    // TODO: fix b/25118622; remove this entirely once signature processing is quick
-    public final static int PARSE_SKIP_VERIFICATION = 1<<11;
-    public final static int PARSE_IS_EPHEMERAL = 1<<12;
+    public final static int PARSE_IS_EPHEMERAL = 1<<11;
 
     private static final Comparator<String> sSplitNameComparator = new SplitNameComparator();
 
@@ -1060,8 +1058,7 @@
 
     /**
      * Collect certificates from all the APKs described in the given package,
-     * populating {@link Package#mSignatures}.
-     * <p>Depending upon the parser flags, this may also asserts that all APK
+     * populating {@link Package#mSignatures}. Also asserts that all APK
      * contents are signed correctly and consistently.
      */
     public void collectCertificates(Package pkg, int parseFlags) throws PackageParserException {
@@ -1084,10 +1081,8 @@
         final boolean hasCode = (apkFlags & ApplicationInfo.FLAG_HAS_CODE) != 0;
         final boolean requireCode = ((parseFlags & PARSE_ENFORCE_CODE) != 0) && hasCode;
         final String apkPath = apkFile.getAbsolutePath();
-        final boolean skipVerification = Build.IS_DEBUGGABLE
-                && ((parseFlags & PARSE_SKIP_VERIFICATION) != 0);
 
-        boolean codeFound = skipVerification;
+        boolean codeFound = false;
         StrictJarFile jarFile = null;
         try {
             Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "strictJarFileCtor");
@@ -1106,7 +1101,7 @@
             toVerify.add(manifestEntry);
 
             // If we're parsing an untrusted package, verify all contents
-            if (!skipVerification && (parseFlags & PARSE_IS_SYSTEM) == 0) {
+            if ((parseFlags & PARSE_IS_SYSTEM) == 0) {
                 final Iterator<ZipEntry> i = jarFile.iterator();
                 while (i.hasNext()) {
                     final ZipEntry entry = i.next();
@@ -1150,9 +1145,6 @@
                     for (int i=0; i < entryCerts.length; i++) {
                         pkg.mSigningKeys.add(entryCerts[i][0].getPublicKey());
                     }
-                    if (skipVerification) {
-                        break;
-                    }
                 } else {
                     if (!Signature.areExactMatch(pkg.mSignatures, entrySignatures)) {
                         throw new PackageParserException(
@@ -1218,9 +1210,7 @@
             if ((flags & PARSE_COLLECT_CERTIFICATES) != 0) {
                 // TODO: factor signature related items out of Package object
                 final Package tempPkg = new Package(null);
-                // TODO: fix b/25118622; pass in '0' for parse flags
-                collectCertificates(tempPkg, apkFile, 0 /*apkFlags*/,
-                        flags & PARSE_SKIP_VERIFICATION);
+                collectCertificates(tempPkg, apkFile, 0 /*apkFlags*/, 0 /*flags*/);
                 signatures = tempPkg.mSignatures;
             } else {
                 signatures = null;
diff --git a/core/java/android/os/BaseBundle.java b/core/java/android/os/BaseBundle.java
index cd483b1..ee7bd9a 100644
--- a/core/java/android/os/BaseBundle.java
+++ b/core/java/android/os/BaseBundle.java
@@ -32,7 +32,9 @@
     private static final String TAG = "Bundle";
     static final boolean DEBUG = false;
 
+    // Keep in sync with frameworks/native/libs/binder/PersistableBundle.cpp.
     static final int BUNDLE_MAGIC = 0x4C444E42; // 'B' 'N' 'D' 'L'
+
     static final Parcel EMPTY_PARCEL;
 
     static {
@@ -1308,6 +1310,8 @@
      * @param parcel The parcel to copy this bundle to.
      */
     void writeToParcelInner(Parcel parcel, int flags) {
+        // Keep implementation in sync with writeToParcel() in
+        // frameworks/native/libs/binder/PersistableBundle.cpp.
         if (mParcelledData != null) {
             if (mParcelledData == EMPTY_PARCEL) {
                 parcel.writeInt(0);
@@ -1345,6 +1349,8 @@
      * @param parcel The parcel to overwrite this bundle from.
      */
     void readFromParcelInner(Parcel parcel) {
+        // Keep implementation in sync with readFromParcel() in
+        // frameworks/native/libs/binder/PersistableBundle.cpp.
         int length = parcel.readInt();
         readFromParcelInner(parcel, length);
     }
diff --git a/core/java/android/os/Parcel.java b/core/java/android/os/Parcel.java
index 9b68f90..2631247 100644
--- a/core/java/android/os/Parcel.java
+++ b/core/java/android/os/Parcel.java
@@ -204,6 +204,7 @@
     private static final Parcel[] sOwnedPool = new Parcel[POOL_SIZE];
     private static final Parcel[] sHolderPool = new Parcel[POOL_SIZE];
 
+    // Keep in sync with frameworks/native/libs/binder/PersistableBundle.cpp.
     private static final int VAL_NULL = -1;
     private static final int VAL_STRING = 0;
     private static final int VAL_INTEGER = 1;
@@ -704,6 +705,8 @@
             writeInt(-1);
             return;
         }
+        // Keep the format of this Parcel in sync with writeToParcelInner() in
+        // frameworks/native/libs/binder/PersistableBundle.cpp.
         final int N = val.size();
         writeInt(N);
         if (DEBUG_ARRAY_MAP) {
@@ -1370,7 +1373,13 @@
             // Must be before Parcelable
             writeInt(VAL_BUNDLE);
             writeBundle((Bundle) v);
+        } else if (v instanceof PersistableBundle) {
+            writeInt(VAL_PERSISTABLEBUNDLE);
+            writePersistableBundle((PersistableBundle) v);
         } else if (v instanceof Parcelable) {
+            // IMPOTANT: cases for classes that implement Parcelable must
+            // come before the Parcelable case, so that their specific VAL_*
+            // types will be written.
             writeInt(VAL_PARCELABLE);
             writeParcelable((Parcelable) v, 0);
         } else if (v instanceof Short) {
@@ -1426,9 +1435,6 @@
         } else if (v instanceof Byte) {
             writeInt(VAL_BYTE);
             writeInt((Byte) v);
-        } else if (v instanceof PersistableBundle) {
-            writeInt(VAL_PERSISTABLEBUNDLE);
-            writePersistableBundle((PersistableBundle) v);
         } else if (v instanceof Size) {
             writeInt(VAL_SIZE);
             writeSize((Size) v);
diff --git a/core/java/android/os/PersistableBundle.aidl b/core/java/android/os/PersistableBundle.aidl
index 5b05873..94e8607 100644
--- a/core/java/android/os/PersistableBundle.aidl
+++ b/core/java/android/os/PersistableBundle.aidl
@@ -2,19 +2,19 @@
 **
 ** Copyright 2014, The Android Open Source Project
 **
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
+** 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 
+**     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 
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
 ** limitations under the License.
 */
 
 package android.os;
 
-parcelable PersistableBundle;
+parcelable PersistableBundle cpp_header "binder/PersistableBundle.h";
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index a1e5510..9508077 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -1092,6 +1092,22 @@
     public static final String ACTION_HOME_SETTINGS
             = "android.settings.HOME_SETTINGS";
 
+
+
+    /**
+     * Activity Action: Show Default apps settings.
+     * <p>
+     * In some cases, a matching Activity may not exist, so ensure you
+     * safeguard against this.
+     * <p>
+     * Input: Nothing.
+     * <p>
+     * Output: Nothing.
+     */
+    @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+    public static final String ACTION_MANAGE_DEFAULT_APPS_SETTINGS
+            = "android.settings.MANAGE_DEFAULT_APPS_SETTINGS";
+
     /**
      * Activity Action: Show notification settings.
      *
@@ -5617,6 +5633,15 @@
         public static final String ASSIST_SCREENSHOT_ENABLED = "assist_screenshot_enabled";
 
         /**
+         * Names of the service component that the current user has explicitly allowed to
+         * see and change the importance of all of the user's notifications.
+         *
+         * @hide
+         */
+        public static final String ENABLED_NOTIFICATION_ASSISTANT
+                = "enabled_notification_assistant";
+
+        /**
          * Names of the service components that the current user has explicitly allowed to
          * see all of the user's notifications, separated by ':'.
          *
diff --git a/core/java/android/service/notification/INotificationAssistant.aidl b/core/java/android/service/notification/INotificationAssistant.aidl
new file mode 100644
index 0000000..5c5f358
--- /dev/null
+++ b/core/java/android/service/notification/INotificationAssistant.aidl
@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) 2015, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.service.notification;
+
+import android.service.notification.NotificationAdjustment;
+import android.service.notification.IStatusBarNotificationHolder;
+import android.service.notification.NotificationRankingUpdate;
+
+/** @hide */
+interface INotificationAssistant
+{
+    void onListenerConnected(in NotificationRankingUpdate update);
+    void onNotificationPosted(in IStatusBarNotificationHolder notificationHolder,
+            in NotificationRankingUpdate update);
+    void onNotificationRankingUpdate(in NotificationRankingUpdate update);
+    void onListenerHintsChanged(int hints);
+    void onInterruptionFilterChanged(int interruptionFilter);
+    NotificationAdjustment onNotificationEnqueued(in IStatusBarNotificationHolder notificationHolder, int importance, boolean user);
+    void onNotificationVisibilityChanged(String key, long time, boolean visible);
+    void onNotificationClick(String key, long time);
+    void onNotificationActionClick(String key, long time, int actionIndex);
+    void onNotificationRemoved(String key, long time, int reason);
+}
\ No newline at end of file
diff --git a/core/java/android/service/notification/NotificationAdjustment.aidl b/core/java/android/service/notification/NotificationAdjustment.aidl
new file mode 100644
index 0000000..805fe2c
--- /dev/null
+++ b/core/java/android/service/notification/NotificationAdjustment.aidl
@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) 2015, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.service.notification;
+
+parcelable NotificationAdjustment;
\ No newline at end of file
diff --git a/core/java/android/service/notification/NotificationAdjustment.java b/core/java/android/service/notification/NotificationAdjustment.java
new file mode 100644
index 0000000..c5f0db9
--- /dev/null
+++ b/core/java/android/service/notification/NotificationAdjustment.java
@@ -0,0 +1,57 @@
+package android.service.notification;
+
+import android.net.Uri;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+public class NotificationAdjustment implements Parcelable {
+    int mImportance;
+    CharSequence mExplanation;
+    Uri mReference;
+
+    /**
+     * Create a notification importance adjustment.
+     *
+     * @param importance The final importance of the notification.
+     * @param explanation A human-readable justification for the adjustment.
+     * @param reference A reference to an external object that augments the
+     *                  explanation, such as a
+     *                  {@link android.provider.ContactsContract.Contacts#CONTENT_LOOKUP_URI},
+     *                  or null.
+     */
+    public NotificationAdjustment(int importance, CharSequence explanation, Uri reference) {
+        mImportance = importance;
+        mExplanation = explanation;
+        mReference = reference;
+    }
+
+    private NotificationAdjustment(Parcel source) {
+        this(source.readInt(), source.readCharSequence(),
+                (Uri) source.readParcelable(NotificationAdjustment.class.getClassLoader()));
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(mImportance);
+        dest.writeCharSequence(mExplanation);
+        dest.writeParcelable(mReference, 0);
+    }
+
+    public static final Parcelable.Creator<NotificationAdjustment> CREATOR
+            = new Parcelable.Creator<NotificationAdjustment>() {
+        @Override
+        public NotificationAdjustment createFromParcel(Parcel source) {
+            return new NotificationAdjustment(source);
+        }
+
+        @Override
+        public NotificationAdjustment[] newArray(int size) {
+            return new NotificationAdjustment[size];
+        }
+    };
+}
diff --git a/core/java/android/service/notification/NotificationAssistantService.java b/core/java/android/service/notification/NotificationAssistantService.java
index 5d1317c..7ce5e1f 100644
--- a/core/java/android/service/notification/NotificationAssistantService.java
+++ b/core/java/android/service/notification/NotificationAssistantService.java
@@ -16,8 +16,12 @@
 
 package android.service.notification;
 
+import android.annotation.SdkConstant;
 import android.app.Notification;
+import android.content.Intent;
 import android.net.Uri;
+import android.os.Parcel;
+import android.os.Parcelable;
 
 /**
  * A service that helps the user manage notifications by modifying the
@@ -35,6 +39,13 @@
  * &lt;/service></pre>
  */
 public abstract class NotificationAssistantService extends NotificationListenerService {
+    /**
+     * The {@link Intent} that must be declared as handled by the service.
+     */
+    @SdkConstant(SdkConstant.SdkConstantType.SERVICE_ACTION)
+    public static final String SERVICE_INTERFACE
+            = "android.service.notification.NotificationAssistantService";
+
     /** Notification was canceled by the status bar reporting a click. */
     public static final int REASON_DELEGATE_CLICK = 1;
 
@@ -74,28 +85,6 @@
     /** Notification was canceled because it was an invisible member of a group. */
     public static final int REASON_GROUP_OPTIMIZATION = 13;
 
-    public class Adjustment {
-        int mImportance;
-        CharSequence mExplanation;
-        Uri mReference;
-
-        /**
-         * Create a notification importance adjustment.
-         *
-         * @param importance The final importance of the notification.
-         * @param explanation A human-readable justification for the adjustment.
-         * @param reference A reference to an external object that augments the
-         *                  explanation, such as a
-         *                  {@link android.provider.ContactsContract.Contacts#CONTENT_LOOKUP_URI},
-         *                  or null.
-         */
-        public Adjustment(int importance, CharSequence explanation, Uri reference) {
-            mImportance = importance;
-            mExplanation = explanation;
-            mReference = reference;
-        }
-    }
-
     /**
      * A notification was posted by an app. Called before alert.
      *
@@ -104,7 +93,7 @@
      * @param user true if the initial importance reflects an explicit user preference.
      * @return an adjustment or null to take no action, within 100ms.
      */
-    abstract public Adjustment onNotificationEnqueued(StatusBarNotification sbn,
+    abstract public NotificationAdjustment onNotificationEnqueued(StatusBarNotification sbn,
           int importance, boolean user);
 
     /**
@@ -161,7 +150,7 @@
      * @param key the notification key
      * @param adjustment the new importance with an explanation
      */
-    public final void adjustImportance(String key, Adjustment adjustment)
+    public final void adjustImportance(String key, NotificationAdjustment adjustment)
     {
         // TODO: pack up the adjustment and send it to the NotificationManager.
     }
diff --git a/core/java/android/service/quicksettings/TileService.java b/core/java/android/service/quicksettings/TileService.java
index fd2d5b0..d8787b4 100644
--- a/core/java/android/service/quicksettings/TileService.java
+++ b/core/java/android/service/quicksettings/TileService.java
@@ -77,6 +77,15 @@
     private Tile mTile;
     private IBinder mToken;
 
+    @Override
+    public void onDestroy() {
+        if (mListening) {
+            onStopListening();
+            mListening = false;
+        }
+        super.onDestroy();
+    }
+
     /**
      * Called when the user adds this tile to Quick Settings.
      * <p/>
@@ -197,10 +206,10 @@
                     mTile = (Tile) msg.obj;
                     break;
                 case MSG_TILE_ADDED:
-                    TileService.this.onTileRemoved();
+                    TileService.this.onTileAdded();
                     break;
                 case MSG_TILE_REMOVED:
-                    TileService.this.onTileAdded();
+                    TileService.this.onTileRemoved();
                     break;
                 case MSG_STOP_LISTENING:
                     if (mListening) {
diff --git a/core/java/android/util/StateSet.java b/core/java/android/util/StateSet.java
index c2a6a7a..051de8a 100644
--- a/core/java/android/util/StateSet.java
+++ b/core/java/android/util/StateSet.java
@@ -260,6 +260,12 @@
             case R.attr.state_enabled:
                 sb.append("E ");
                 break;
+            case R.attr.state_checked:
+                sb.append("C ");
+                break;
+            case R.attr.state_activated:
+                sb.append("A ");
+                break;
             }
         }
 
diff --git a/core/java/android/view/ContextThemeWrapper.java b/core/java/android/view/ContextThemeWrapper.java
index ea0873d..4888877 100644
--- a/core/java/android/view/ContextThemeWrapper.java
+++ b/core/java/android/view/ContextThemeWrapper.java
@@ -104,11 +104,15 @@
     @Override
     public AssetManager getAssets() {
         // Ensure we're returning assets with the correct configuration.
-        return getResources().getAssets();
+        return getResourcesInternal().getAssets();
     }
 
     @Override
     public Resources getResources() {
+        return getResourcesInternal();
+    }
+
+    private Resources getResourcesInternal() {
         if (mResources == null) {
             if (mOverrideConfiguration == null) {
                 mResources = super.getResources();
@@ -117,7 +121,6 @@
                 mResources = resContext.getResources();
             }
         }
-
         return mResources;
     }
 
diff --git a/core/java/android/webkit/WebViewFactory.java b/core/java/android/webkit/WebViewFactory.java
index 01d1566..6aa5e2f 100644
--- a/core/java/android/webkit/WebViewFactory.java
+++ b/core/java/android/webkit/WebViewFactory.java
@@ -134,6 +134,25 @@
     private static String TAG_SIGNATURE = "signature";
 
     /**
+     * Reads all signatures at the current depth (within the current provider) from the XML parser.
+     */
+    private static String[] readSignatures(XmlResourceParser parser) throws IOException,
+            XmlPullParserException {
+        List<String> signatures = new ArrayList<String>();
+        int outerDepth = parser.getDepth();
+        while(XmlUtils.nextElementWithin(parser, outerDepth)) {
+            if (parser.getName().equals(TAG_SIGNATURE)) {
+                // Parse the value within the signature tag
+                String signature = parser.nextText();
+                signatures.add(signature);
+            } else {
+                Log.e(LOGTAG, "Found an element in a webview provider that is not a signature");
+            }
+        }
+        return signatures.toArray(new String[signatures.size()]);
+    }
+
+    /**
      * Returns all packages declared in the framework resources as potential WebView providers.
      * @hide
      * */
@@ -161,9 +180,9 @@
                         throw new MissingWebViewPackageException(
                                 "WebView provider in framework resources missing description");
                     }
-                    String signature = parser.getAttributeValue(null, TAG_SIGNATURE);
                     webViewProviders.add(
-                            new WebViewProviderInfo(packageName, description, signature));
+                            new WebViewProviderInfo(packageName, description,
+                                readSignatures(parser)));
                 }
                 else {
                     Log.e(LOGTAG, "Found an element that is not a webview provider");
diff --git a/core/java/android/webkit/WebViewProviderInfo.java b/core/java/android/webkit/WebViewProviderInfo.java
index d5e3a230..7bad652 100644
--- a/core/java/android/webkit/WebViewProviderInfo.java
+++ b/core/java/android/webkit/WebViewProviderInfo.java
@@ -40,10 +40,10 @@
         public WebViewPackageNotFoundException(Exception e) { super(e); }
     }
 
-    public WebViewProviderInfo(String packageName, String description, String signature) {
+    public WebViewProviderInfo(String packageName, String description, String[] signatures) {
         this.packageName = packageName;
         this.description = description;
-        this.signature = signature;
+        this.signatures = signatures;
     }
 
     private boolean hasValidSignature() {
@@ -53,7 +53,7 @@
         try {
             // If no signature is declared, instead check whether the package is included in the
             // system.
-            if (signature == null)
+            if (signatures == null || signatures.length == 0)
                 return getPackageInfo().applicationInfo.isSystemApp();
 
             packageSignatures = getPackageInfo().signatures;
@@ -62,8 +62,15 @@
         }
         if (packageSignatures.length != 1)
             return false;
-        final byte[] releaseSignature = Base64.decode(signature, Base64.DEFAULT);
-        return Arrays.equals(releaseSignature, packageSignatures[0].toByteArray());
+
+        final byte[] packageSignature = packageSignatures[0].toByteArray();
+        // Return whether the package signature matches any of the valid signatures
+        for (String signature : signatures) {
+            final byte[] validSignature = Base64.decode(signature, Base64.DEFAULT);
+            if (Arrays.equals(packageSignature, validSignature))
+                return true;
+        }
+        return false;
     }
 
     /**
@@ -109,7 +116,7 @@
     private WebViewProviderInfo(Parcel in) {
         packageName = in.readString();
         description = in.readString();
-        signature = in.readString();
+        signatures = in.createStringArray();
         packageInfo = null;
     }
 
@@ -122,14 +129,14 @@
     public void writeToParcel(Parcel out, int flags) {
         out.writeString(packageName);
         out.writeString(description);
-        out.writeString(signature);
+        out.writeStringArray(signatures);
     }
 
     // fields read from framework resource
     public String packageName;
     public String description;
 
-    private String signature;
+    private String[] signatures;
 
     private PackageInfo packageInfo;
     // flags declaring we want extra info from the package manager
diff --git a/core/java/android/widget/LinearLayout.java b/core/java/android/widget/LinearLayout.java
index ad939be..f6e6186 100644
--- a/core/java/android/widget/LinearLayout.java
+++ b/core/java/android/widget/LinearLayout.java
@@ -359,7 +359,6 @@
         final int count = getVirtualChildCount();
         for (int i = 0; i < count; i++) {
             final View child = getVirtualChildAt(i);
-
             if (child != null && child.getVisibility() != GONE) {
                 if (hasDividerBeforeChildAt(i)) {
                     final LayoutParams lp = (LayoutParams) child.getLayoutParams();
@@ -388,7 +387,7 @@
      */
     private View getLastNonGoneChild() {
         for (int i = getVirtualChildCount() - 1; i >= 0; i--) {
-            View child = getVirtualChildAt(i);
+            final View child = getVirtualChildAt(i);
             if (child != null && child.getVisibility() != GONE) {
                 return child;
             }
@@ -401,7 +400,6 @@
         final boolean isLayoutRtl = isLayoutRtl();
         for (int i = 0; i < count; i++) {
             final View child = getVirtualChildAt(i);
-
             if (child != null && child.getVisibility() != GONE) {
                 if (hasDividerBeforeChildAt(i)) {
                     final LayoutParams lp = (LayoutParams) child.getLayoutParams();
@@ -588,8 +586,9 @@
      * for an example.</p>
      *
      * @param index the child's index
-     * @return the child at the specified index
+     * @return the child at the specified index, may be {@code null}
      */
+    @Nullable
     View getVirtualChildAt(int index) {
         return getChildAt(index);
     }
@@ -670,7 +669,7 @@
      */
     private boolean allViewsAreGoneBefore(int childIndex) {
         for (int i = childIndex - 1; i >= 0; i--) {
-            View child = getVirtualChildAt(i);
+            final View child = getVirtualChildAt(i);
             if (child != null && child.getVisibility() != GONE) {
                 return false;
             }
@@ -715,7 +714,6 @@
         // See how tall everyone is. Also remember max width.
         for (int i = 0; i < count; ++i) {
             final View child = getVirtualChildAt(i);
-
             if (child == null) {
                 mTotalLength += measureNullChild(i);
                 continue;
@@ -837,7 +835,6 @@
 
             for (int i = 0; i < count; ++i) {
                 final View child = getVirtualChildAt(i);
-
                 if (child == null) {
                     mTotalLength += measureNullChild(i);
                     continue;
@@ -943,7 +940,6 @@
             if (useLargestChild && heightMode != MeasureSpec.EXACTLY) {
                 for (int i = 0; i < count; i++) {
                     final View child = getVirtualChildAt(i);
-
                     if (child == null || child.getVisibility() == View.GONE) {
                         continue;
                     }
@@ -986,7 +982,7 @@
                 MeasureSpec.EXACTLY);
         for (int i = 0; i< count; ++i) {
            final View child = getVirtualChildAt(i);
-           if (child.getVisibility() != GONE) { 
+           if (child != null && child.getVisibility() != GONE) {
                LinearLayout.LayoutParams lp = ((LinearLayout.LayoutParams)child.getLayoutParams());
                
                if (lp.width == LayoutParams.MATCH_PARENT) {
@@ -1053,7 +1049,6 @@
         // See how wide everyone is. Also remember max height.
         for (int i = 0; i < count; ++i) {
             final View child = getVirtualChildAt(i);
-
             if (child == null) {
                 mTotalLength += measureNullChild(i);
                 continue;
@@ -1211,7 +1206,6 @@
 
             for (int i = 0; i < count; ++i) {
                 final View child = getVirtualChildAt(i);
-
                 if (child == null) {
                     mTotalLength += measureNullChild(i);
                     continue;
@@ -1357,7 +1351,6 @@
             if (useLargestChild && widthMode != MeasureSpec.EXACTLY) {
                 for (int i = 0; i < count; i++) {
                     final View child = getVirtualChildAt(i);
-
                     if (child == null || child.getVisibility() == View.GONE) {
                         continue;
                     }
@@ -1402,7 +1395,7 @@
                 MeasureSpec.EXACTLY);
         for (int i = 0; i < count; ++i) {
            final View child = getVirtualChildAt(i);
-           if (child.getVisibility() != GONE) { 
+           if (child != null && child.getVisibility() != GONE) {
                LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) child.getLayoutParams();
                
                if (lp.height == LayoutParams.MATCH_PARENT) {
@@ -1662,9 +1655,8 @@
         }
 
         for (int i = 0; i < count; i++) {
-            int childIndex = start + dir * i;
+            final int childIndex = start + dir * i;
             final View child = getVirtualChildAt(childIndex);
-
             if (child == null) {
                 childLeft += measureNullChild(childIndex);
             } else if (child.getVisibility() != GONE) {
diff --git a/core/java/android/widget/TableRow.java b/core/java/android/widget/TableRow.java
index f7f9c91..22931fc 100644
--- a/core/java/android/widget/TableRow.java
+++ b/core/java/android/widget/TableRow.java
@@ -98,7 +98,7 @@
      * {@hide}
      */
     void setColumnCollapsed(int columnIndex, boolean collapsed) {
-        View child = getVirtualChildAt(columnIndex);
+        final View child = getVirtualChildAt(columnIndex);
         if (child != null) {
             child.setVisibility(collapsed ? GONE : VISIBLE);
         }
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 89888f0..d46c6f9 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -394,7 +394,17 @@
             mOverride = false;
         }
 
-        public void resolveWithLayoutDirection(int layoutDirection) {
+        /**
+         * Updates the list of displayed drawables to account for the current
+         * layout direction.
+         *
+         * @param layoutDirection the current layout direction
+         * @return {@code true} if the displayed drawables changed
+         */
+        public boolean resolveWithLayoutDirection(int layoutDirection) {
+            final Drawable previousLeft = mShowing[Drawables.LEFT];
+            final Drawable previousRight = mShowing[Drawables.RIGHT];
+
             // First reset "left" and "right" drawables to their initial values
             mShowing[Drawables.LEFT] = mDrawableLeftInitial;
             mShowing[Drawables.RIGHT] = mDrawableRightInitial;
@@ -442,16 +452,11 @@
                         break;
                 }
             }
-            applyErrorDrawableIfNeeded(layoutDirection);
-            updateDrawablesLayoutDirection(layoutDirection);
-        }
 
-        private void updateDrawablesLayoutDirection(int layoutDirection) {
-            for (Drawable dr : mShowing) {
-                if (dr != null) {
-                    dr.setLayoutDirection(layoutDirection);
-                }
-            }
+            applyErrorDrawableIfNeeded(layoutDirection);
+
+            return mShowing[Drawables.LEFT] != previousLeft
+                    || mShowing[Drawables.RIGHT] != previousRight;
         }
 
         public void setErrorDrawable(Drawable dr, TextView tv) {
@@ -9846,7 +9851,30 @@
 
         // Resolve drawables
         if (mDrawables != null) {
-            mDrawables.resolveWithLayoutDirection(layoutDirection);
+            if (mDrawables.resolveWithLayoutDirection(layoutDirection)) {
+                prepareDrawableForDisplay(mDrawables.mShowing[Drawables.LEFT]);
+                prepareDrawableForDisplay(mDrawables.mShowing[Drawables.RIGHT]);
+                applyCompoundDrawableTint();
+            }
+        }
+    }
+
+    /**
+     * Prepares a drawable for display by propagating layout direction and
+     * drawable state.
+     *
+     * @param dr the drawable to prepare
+     */
+    private void prepareDrawableForDisplay(@Nullable Drawable dr) {
+        if (dr == null) {
+            return;
+        }
+
+        dr.setLayoutDirection(getLayoutDirection());
+
+        if (dr.isStateful()) {
+            dr.setState(getDrawableState());
+            dr.jumpToCurrentState();
         }
     }
 
diff --git a/core/jni/android_view_DisplayListCanvas.cpp b/core/jni/android_view_DisplayListCanvas.cpp
index 9b41eb3..d2c99fd 100644
--- a/core/jni/android_view_DisplayListCanvas.cpp
+++ b/core/jni/android_view_DisplayListCanvas.cpp
@@ -27,7 +27,13 @@
 #include <SkBitmap.h>
 #include <SkRegion.h>
 
+#if HWUI_NEW_OPS
+#include <RecordingCanvas.h>
+typedef android::uirenderer::RecordingCanvas canvas_t;
+#else
 #include <DisplayListCanvas.h>
+typedef android::uirenderer::DisplayListCanvas canvas_t;
+#endif
 #include <Rect.h>
 #include <RenderNode.h>
 #include <CanvasProperty.h>
@@ -46,7 +52,7 @@
 
 static void android_view_DisplayListCanvas_insertReorderBarrier(JNIEnv* env, jobject clazz,
         jlong canvasPtr, jboolean reorderEnable) {
-    DisplayListCanvas* canvas = reinterpret_cast<DisplayListCanvas*>(canvasPtr);
+    canvas_t* canvas = reinterpret_cast<canvas_t*>(canvasPtr);
     canvas->insertReorderBarrier(reorderEnable);
 }
 
@@ -56,7 +62,7 @@
 
 static void android_view_DisplayListCanvas_callDrawGLFunction(JNIEnv* env, jobject clazz,
         jlong canvasPtr, jlong functorPtr) {
-    DisplayListCanvas* canvas = reinterpret_cast<DisplayListCanvas*>(canvasPtr);
+    canvas_t* canvas = reinterpret_cast<canvas_t*>(canvasPtr);
     Functor* functor = reinterpret_cast<Functor*>(functorPtr);
     canvas->callDrawGLFunction(functor);
 }
@@ -80,7 +86,7 @@
 static void android_view_DisplayListCanvas_drawRoundRectProps(JNIEnv* env, jobject clazz,
         jlong canvasPtr, jlong leftPropPtr, jlong topPropPtr, jlong rightPropPtr,
         jlong bottomPropPtr, jlong rxPropPtr, jlong ryPropPtr, jlong paintPropPtr) {
-    DisplayListCanvas* canvas = reinterpret_cast<DisplayListCanvas*>(canvasPtr);
+    canvas_t* canvas = reinterpret_cast<canvas_t*>(canvasPtr);
     CanvasPropertyPrimitive* leftProp = reinterpret_cast<CanvasPropertyPrimitive*>(leftPropPtr);
     CanvasPropertyPrimitive* topProp = reinterpret_cast<CanvasPropertyPrimitive*>(topPropPtr);
     CanvasPropertyPrimitive* rightProp = reinterpret_cast<CanvasPropertyPrimitive*>(rightPropPtr);
@@ -93,7 +99,7 @@
 
 static void android_view_DisplayListCanvas_drawCircleProps(JNIEnv* env, jobject clazz,
         jlong canvasPtr, jlong xPropPtr, jlong yPropPtr, jlong radiusPropPtr, jlong paintPropPtr) {
-    DisplayListCanvas* canvas = reinterpret_cast<DisplayListCanvas*>(canvasPtr);
+    canvas_t* canvas = reinterpret_cast<canvas_t*>(canvasPtr);
     CanvasPropertyPrimitive* xProp = reinterpret_cast<CanvasPropertyPrimitive*>(xPropPtr);
     CanvasPropertyPrimitive* yProp = reinterpret_cast<CanvasPropertyPrimitive*>(yPropPtr);
     CanvasPropertyPrimitive* radiusProp = reinterpret_cast<CanvasPropertyPrimitive*>(radiusPropPtr);
@@ -107,25 +113,25 @@
 
 static jlong android_view_DisplayListCanvas_finishRecording(JNIEnv* env,
         jobject clazz, jlong canvasPtr) {
-    DisplayListCanvas* canvas = reinterpret_cast<DisplayListCanvas*>(canvasPtr);
+    canvas_t* canvas = reinterpret_cast<canvas_t*>(canvasPtr);
     return reinterpret_cast<jlong>(canvas->finishRecording());
 }
 
 static jlong android_view_DisplayListCanvas_createDisplayListCanvas(JNIEnv* env, jobject clazz,
         jint width, jint height) {
-    return reinterpret_cast<jlong>(new DisplayListCanvas(width, height));
+    return reinterpret_cast<jlong>(new canvas_t(width, height));
 }
 
 static void android_view_DisplayListCanvas_resetDisplayListCanvas(JNIEnv* env, jobject clazz,
         jlong canvasPtr, jint width, jint height) {
-    DisplayListCanvas* canvas = reinterpret_cast<DisplayListCanvas*>(canvasPtr);
+    canvas_t* canvas = reinterpret_cast<canvas_t*>(canvasPtr);
     canvas->reset(width, height);
 }
 
 
 static void android_view_DisplayListCanvas_drawRenderNode(JNIEnv* env,
         jobject clazz, jlong canvasPtr, jlong renderNodePtr) {
-    DisplayListCanvas* canvas = reinterpret_cast<DisplayListCanvas*>(canvasPtr);
+    canvas_t* canvas = reinterpret_cast<canvas_t*>(canvasPtr);
     RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
     canvas->drawRenderNode(renderNode);
 }
@@ -136,7 +142,7 @@
 
 static void android_view_DisplayListCanvas_drawLayer(JNIEnv* env, jobject clazz,
         jlong canvasPtr, jlong layerPtr) {
-    DisplayListCanvas* canvas = reinterpret_cast<DisplayListCanvas*>(canvasPtr);
+    canvas_t* canvas = reinterpret_cast<canvas_t*>(canvasPtr);
     DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
     canvas->drawLayer(layer);
 }
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index f726860..4843879 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -3078,6 +3078,9 @@
     <string name="notification_listener_binding_label">Notification listener</string>
     <!-- Label to show for a service that is running because it is providing conditions. -->
     <string name="condition_provider_service_binding_label">Condition provider</string>
+    <!-- Label to show for a service that is running because it is observing and modifying the
+         importance of the user's notifications. -->
+    <string name="notification_assistant_binding_label">Notification assistant</string>
 
     <!-- Do Not Translate: Alternate eri.xml -->
     <string name="alternate_eri_file">/data/eri.xml</string>
diff --git a/core/res/res/values/styles.xml b/core/res/res/values/styles.xml
index 9a4016b..937d83d 100644
--- a/core/res/res/values/styles.xml
+++ b/core/res/res/values/styles.xml
@@ -1235,7 +1235,7 @@
         <item name="subtitleTextAppearance">@style/TextAppearance.Widget.Toolbar.Subtitle</item>
         <item name="minHeight">?attr/actionBarSize</item>
         <item name="titleMargin">4dp</item>
-        <item name="maxButtonHeight">56dp</item>
+        <item name="maxButtonHeight">@dimen/action_bar_default_height_material</item>
         <item name="buttonGravity">top</item>
         <item name="navigationButtonStyle">@style/Widget.Toolbar.Button.Navigation</item>
         <item name="collapseIcon">?attr/homeAsUpIndicator</item>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 640f90b..f257f14 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1810,6 +1810,7 @@
   <java-symbol type="string" name="low_internal_storage_view_title" />
   <java-symbol type="string" name="notification_listener_binding_label" />
   <java-symbol type="string" name="condition_provider_service_binding_label" />
+  <java-symbol type="string" name="notification_assistant_binding_label" />
   <java-symbol type="string" name="report" />
   <java-symbol type="string" name="select_input_method" />
   <java-symbol type="string" name="select_keyboard_layout_notification_title" />
diff --git a/core/res/res/xml/config_webview_packages.xml b/core/res/res/xml/config_webview_packages.xml
index 6f9c58d..fd443c1 100644
--- a/core/res/res/xml/config_webview_packages.xml
+++ b/core/res/res/xml/config_webview_packages.xml
@@ -16,5 +16,6 @@
 
 <webviewproviders>
     <!-- The default WebView implementation -->
-    <webviewprovider description="Android WebView" packageName="com.android.webview" />
+    <webviewprovider description="Android WebView" packageName="com.android.webview">
+    </webviewprovider>
 </webviewproviders>
diff --git a/libs/hwui/RecordingCanvas.h b/libs/hwui/RecordingCanvas.h
index 48cc91a..470f9ec 100644
--- a/libs/hwui/RecordingCanvas.h
+++ b/libs/hwui/RecordingCanvas.h
@@ -39,7 +39,7 @@
 class DeferredLayerUpdater;
 struct RecordedOp;
 
-class RecordingCanvas: public Canvas, public CanvasStateClient {
+class ANDROID_API RecordingCanvas: public Canvas, public CanvasStateClient {
     enum class DeferredBarrierType {
         None,
         InOrder,
diff --git a/packages/DocumentsUI/AndroidManifest.xml b/packages/DocumentsUI/AndroidManifest.xml
index 8cc79a4c..5e634a4 100644
--- a/packages/DocumentsUI/AndroidManifest.xml
+++ b/packages/DocumentsUI/AndroidManifest.xml
@@ -40,7 +40,7 @@
 
         <activity
             android:name=".DownloadsActivity"
-            android:theme="@style/DocumentsFullScreenTheme"
+            android:theme="@style/DocumentsTheme"
             android:label="@string/downloads_label"
             android:icon="@drawable/ic_doc_text">
             <intent-filter>
@@ -64,7 +64,7 @@
 
         <activity
             android:name=".FilesActivity"
-            android:theme="@style/DocumentsFullScreenTheme"
+            android:theme="@style/DocumentsTheme"
             android:icon="@drawable/ic_files_app"
             android:label="@string/files_label"
             android:documentLaunchMode="intoExisting">
diff --git a/packages/DocumentsUI/res/values-sw720dp/dimens.xml b/packages/DocumentsUI/res/values-sw720dp/dimens.xml
index f393d88..83ceb55 100644
--- a/packages/DocumentsUI/res/values-sw720dp/dimens.xml
+++ b/packages/DocumentsUI/res/values-sw720dp/dimens.xml
@@ -15,10 +15,6 @@
 -->
 
 <resources>
-    <bool name="show_as_dialog">true</bool>
-
-    <item type="dimen" name="dialog_width">85%</item>
-
     <dimen name="grid_padding_horiz">16dp</dimen>
     <dimen name="grid_padding_vert">16dp</dimen>
 
diff --git a/packages/DocumentsUI/res/values-sw720dp/layouts.xml b/packages/DocumentsUI/res/values-sw720dp/layouts.xml
deleted file mode 100644
index 7d28f9c..0000000
--- a/packages/DocumentsUI/res/values-sw720dp/layouts.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2015 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<resources>
-    <item name="docs_activity" type="layout">@layout/fixed_layout</item>
-</resources>
diff --git a/packages/DocumentsUI/res/values-sw720dp/styles.xml b/packages/DocumentsUI/res/values-sw720dp/styles.xml
deleted file mode 100644
index a8dcbb0..0000000
--- a/packages/DocumentsUI/res/values-sw720dp/styles.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2014 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<resources xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <style name="DocumentsBaseTheme" parent="@style/Theme.AppCompat.Light.Dialog">
-        <!-- We do not specify width of window here because the max size of
-             floating window specified by windowFixedWidthis is limited. -->
-        <item name="*android:windowFixedHeightMajor">80%</item>
-        <item name="*android:windowFixedHeightMinor">90%</item>
-    </style>
-
-</resources>
diff --git a/packages/DocumentsUI/res/values/attrs.xml b/packages/DocumentsUI/res/values/attrs.xml
index 0afc3a2..9e13001 100644
--- a/packages/DocumentsUI/res/values/attrs.xml
+++ b/packages/DocumentsUI/res/values/attrs.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 <resources>
-    <declare-styleable name="DocumentsBaseTheme">
+    <declare-styleable name="DocumentsTheme">
         <attr name="colorActionMode" format="color"/>
     </declare-styleable>
 </resources>
diff --git a/packages/DocumentsUI/res/values/dimens.xml b/packages/DocumentsUI/res/values/dimens.xml
index f94a00e..060871d 100644
--- a/packages/DocumentsUI/res/values/dimens.xml
+++ b/packages/DocumentsUI/res/values/dimens.xml
@@ -35,7 +35,6 @@
     <dimen name="list_divider_inset">72dp</dimen>
     <bool name="list_divider_inset_left">true</bool>
 
-    <bool name="show_as_dialog">false</bool>
     <bool name="always_show_summary">false</bool>
 
     <dimen name="dir_elevation">8dp</dimen>
diff --git a/packages/DocumentsUI/res/values/styles.xml b/packages/DocumentsUI/res/values/styles.xml
index 6712e2d..d14631d 100644
--- a/packages/DocumentsUI/res/values/styles.xml
+++ b/packages/DocumentsUI/res/values/styles.xml
@@ -16,31 +16,10 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <style name="DocumentsBaseTheme" parent="@style/Theme.AppCompat.Light.DarkActionBar" />
     <style name="ActionBarTheme" parent="@*android:style/ThemeOverlay.Material.Dark.ActionBar" />
     <style name="ActionBarPopupTheme" parent="@*android:style/ThemeOverlay.Material.Light" />
 
-    <style name="DocumentsTheme" parent="@style/DocumentsBaseTheme">
-        <item name="actionBarWidgetTheme">@null</item>
-        <item name="actionBarTheme">@style/ActionBarTheme</item>
-        <item name="actionBarPopupTheme">@style/ActionBarPopupTheme</item>
-
-        <item name="android:windowBackground">@color/window_background</item>
-        <item name="android:colorPrimaryDark">@color/primary_dark</item>
-        <item name="android:colorPrimary">@color/primary</item>
-        <item name="android:colorAccent">@color/accent</item>
-        <item name="colorActionMode">@color/action_mode</item>
-
-        <item name="android:listDivider">@*android:drawable/list_divider_material</item>
-
-        <item name="android:windowActionBar">false</item>
-        <item name="android:windowActionModeOverlay">true</item>
-        <item name="android:windowNoTitle">true</item>
-
-        <item name="android:windowSoftInputMode">stateUnspecified|adjustUnspecified</item>
-    </style>
-
-    <style name="DocumentsFullScreenTheme" parent="@style/Theme.AppCompat.Light.DarkActionBar">
+    <style name="DocumentsTheme" parent="@style/Theme.AppCompat.Light.DarkActionBar">
         <item name="actionBarWidgetTheme">@null</item>
         <item name="actionBarTheme">@style/ActionBarTheme</item>
         <item name="actionBarPopupTheme">@style/ActionBarPopupTheme</item>
diff --git a/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java b/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
index 313d303..8ca2cfb 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
@@ -34,7 +34,6 @@
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
-import android.graphics.Point;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -45,7 +44,6 @@
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.WindowManager;
 import android.widget.BaseAdapter;
 import android.widget.Spinner;
 import android.widget.Toolbar;
@@ -64,8 +62,6 @@
     private static final int CODE_FORWARD = 42;
     private static final String TAG = "DocumentsActivity";
 
-    private boolean mShowAsDialog;
-
     private Toolbar mToolbar;
     private Spinner mToolbarStack;
 
@@ -83,29 +79,8 @@
         super.onCreate(icicle);
 
         final Resources res = getResources();
-        mShowAsDialog = res.getBoolean(R.bool.show_as_dialog);
 
-        if (!mShowAsDialog) {
-            setTheme(R.style.DocumentsFullScreenTheme);
-        }
-
-        if (mShowAsDialog) {
-            mDrawer = DrawerController.createDummy();
-
-            // Strongly define our horizontal dimension; we leave vertical as
-            // WRAP_CONTENT so that system resizes us when IME is showing.
-            final WindowManager.LayoutParams a = getWindow().getAttributes();
-
-            final Point size = new Point();
-            getWindowManager().getDefaultDisplay().getSize(size);
-            a.width = (int) res.getFraction(R.dimen.dialog_width, size.x, size.x);
-
-            getWindow().setAttributes(a);
-
-        } else {
-            mDrawer = DrawerController.create(this);
-        }
-
+        mDrawer = DrawerController.create(this);
         mToolbar = (Toolbar) findViewById(R.id.toolbar);
 
         mStackAdapter = new StackAdapter();
@@ -267,15 +242,16 @@
             }
         }
 
-        if (!mShowAsDialog && mDrawer.isUnlocked()) {
+        if (mDrawer.isUnlocked()) {
             mToolbar.setNavigationIcon(R.drawable.ic_hamburger);
             mToolbar.setNavigationContentDescription(R.string.drawer_open);
-            mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
-                @Override
-                public void onClick(View v) {
-                    setRootsDrawerOpen(true);
-                }
-            });
+            mToolbar.setNavigationOnClickListener(
+                    new View.OnClickListener() {
+                        @Override
+                        public void onClick(View v) {
+                            setRootsDrawerOpen(true);
+                        }
+                    });
         } else {
             mToolbar.setNavigationIcon(null);
             mToolbar.setNavigationContentDescription(R.string.drawer_open);
@@ -306,10 +282,7 @@
     public boolean onCreateOptionsMenu(Menu menu) {
         boolean showMenu = super.onCreateOptionsMenu(menu);
 
-        // Most actions are visible when showing as dialog
-        if (mShowAsDialog) {
-            expandMenus(menu);
-        }
+        expandMenus(menu);
         return showMenu;
     }
 
diff --git a/packages/SystemUI/res/layout/notification_guts.xml b/packages/SystemUI/res/layout/notification_guts.xml
index c9dbc79..f15c97e 100644
--- a/packages/SystemUI/res/layout/notification_guts.xml
+++ b/packages/SystemUI/res/layout/notification_guts.xml
@@ -24,35 +24,23 @@
         android:clickable="true"
         android:gravity="top|start"
         android:orientation="vertical"
-        android:paddingEnd="8dp"
+        android:paddingStart="@*android:dimen/notification_content_margin_start"
+        android:paddingEnd="@*android:dimen/notification_content_margin_end"
         android:background="@color/notification_guts_text_color" >
 
     <!-- header -->
     <FrameLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingStart="@*android:dimen/notification_content_margin_start"
-            android:paddingTop="8dp"
-            android:paddingBottom="16dp" >
+            android:paddingBottom="8dp" >
 
         <LinearLayout
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:id="@+id/notification_guts_header"
-                android:orientation="vertical"
+                android:orientation="horizontal"
                 android:layout_gravity="center_vertical|start"
                 android:layout_marginEnd="52dp">
-
-                <LinearLayout
-                        android:id="@+id/notification_guts_app_details"
-                        android:orientation="horizontal"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:clipChildren="false"
-                        android:layout_gravity="start|top"
-                        android:gravity="center_vertical"
-                        >
-
                     <ImageView
                             android:id="@android:id/icon"
                             android:layout_width="18dp"
@@ -76,22 +64,12 @@
                             android:layout_gravity="bottom|start"
                             android:visibility="gone"
                             android:textColor="#ffffff" />
-                </LinearLayout>
-
-                <TextView
-                        android:id="@+id/topic_details"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:textAppearance="@android:style/TextAppearance.Material.Notification.Title"
-                        android:textColor="@color/notification_guts_text_color"
-                        android:layout_alignParentBottom="true"
-                        android:layout_alignParentStart="true" />
-            </LinearLayout>
+        </LinearLayout>
 
         <ImageButton style="@android:style/Widget.Material.Light.Button.Borderless.Small"
                 android:id="@+id/notification_inspect_item"
                 android:layout_width="52dp"
-                android:layout_height="match_parent"
+                android:layout_height="wrap_content"
                 android:layout_weight="0"
                 android:gravity="center"
                 android:layout_gravity="center_vertical|end"
@@ -103,7 +81,6 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:gravity="center_vertical"
-            android:paddingStart="@*android:dimen/notification_content_margin_start"
             android:orientation="vertical"
             android:clickable="false"
             android:focusable="false"
@@ -116,8 +93,7 @@
                 android:textAppearance="@android:style/TextAppearance.Material.Subhead"
                 android:textColor="@color/notification_guts_text_color"
                 android:ellipsize="marquee"
-                android:fadingEdge="horizontal"
-                android:text="@*android:string/notification_importance_title"/>
+                android:fadingEdge="horizontal"/>
 
         <TextView
                 android:id="@+id/summary"
@@ -133,7 +109,7 @@
         <FrameLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:paddingTop="6dp" >
+                android:paddingTop="8dp" >
 
             <ImageView
                     android:id="@+id/low_importance"
@@ -162,5 +138,21 @@
                     android:layout_height="24dp"/>
 
         </FrameLayout>
+
+        <RadioGroup android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:paddingTop="8dp">
+            <RadioButton android:id="@+id/apply_to_topic"
+                         android:layout_width="wrap_content"
+                         android:layout_height="wrap_content"
+                         android:textColor="@color/notification_guts_text_color"
+                         android:visibility="gone"/>
+            <RadioButton android:id="@+id/apply_to_app"
+                         android:layout_width="wrap_content"
+                         android:layout_height="wrap_content"
+                         android:text="@string/apply_to_app"
+                         android:textColor="@color/notification_guts_text_color"
+                         android:visibility="gone"/>
+        </RadioGroup>
     </LinearLayout>
 </com.android.systemui.statusbar.NotificationGuts>
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index f71a71a..50e0661 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -1201,4 +1201,34 @@
     <!-- Bluetooth enablement ok text [CHAR LIMIT=40] -->
     <string name="enable_bluetooth_confirmation_ok">Turn on</string>
 
+    <!-- Apply notification importance setting to a topic [CHAR LIMIT=NONE] -->
+    <string name="apply_to_topic">Apply to <xliff:g id="topic_name" example="Friend Request">%1$s</xliff:g> notifications</string>
+    <!-- Apply notification importance setting to an app [CHAR LIMIT=NONE] -->
+    <string name="apply_to_app">Apply to all notifications from this app</string>
+    <!-- Notification importance title, blocked status-->
+    <string name="blocked_importance">Blocked</string>
+    <!-- Notification importance title, low status-->
+    <string name="low_importance">Low importance</string>
+    <!-- Notification importance title, normal status-->
+    <string name="default_importance">Normal importance</string>
+    <!-- Notification importance title, high status-->
+    <string name="high_importance">High importance</string>
+    <!-- Notification importance title, max status-->
+    <string name="max_importance">Urgent importance</string>
+
+    <!-- [CHAR LIMIT=100] Notification Importance slider: blocked importance level description -->
+    <string name="notification_importance_blocked">Never show these notifications</string>
+
+    <!-- [CHAR LIMIT=100] Notification Importance slider: low importance level description -->
+    <string name="notification_importance_low">Silently show at the bottom of the notification list</string>
+
+    <!-- [CHAR LIMIT=100] Notification Importance slider: normal importance level description -->
+    <string name="notification_importance_default">Silently show these notifications</string>
+
+    <!-- [CHAR LIMIT=100] Notification Importance slider: high importance level description -->
+    <string name="notification_importance_high">Show at the top of the notifications list and make sound</string>
+
+    <!-- [CHAR LIMIT=100] Notification Importance slider: max importance level description -->
+    <string name="notification_importance_max">Peek onto the screen and make sound</string>
+
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index 6d4dc872..b891c21 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -947,7 +947,7 @@
         final StatusBarNotification sbn = row.getStatusBarNotification();
         PackageManager pmUser = getPackageManagerForUser(mContext, sbn.getUser().getIdentifier());
         row.setTag(sbn.getPackageName());
-        final View guts = row.getGuts();
+        final NotificationGuts guts = row.getGuts();
         final String pkg = sbn.getPackageName();
         String appname = pkg;
         Drawable pkgicon = null;
@@ -969,8 +969,6 @@
         ((ImageView) row.findViewById(android.R.id.icon)).setImageDrawable(pkgicon);
         ((TextView) row.findViewById(R.id.pkgname)).setText(appname);
 
-        bindTopicImportance(sbn, row);
-
         final View settingsButton = guts.findViewById(R.id.notification_inspect_item);
         if (appUid >= 0) {
             final int appUidF = appUid;
@@ -983,69 +981,8 @@
         } else {
             settingsButton.setVisibility(View.GONE);
         }
-    }
 
-    private void bindTopicImportance(final StatusBarNotification sbn,
-            ExpandableNotificationRow row) {
-        final INotificationManager sINM = INotificationManager.Stub.asInterface(
-                ServiceManager.getService(Context.NOTIFICATION_SERVICE));
-        final Notification.Topic topic = sbn.getNotification().getTopic() == null
-                ? new Notification.Topic(Notification.TOPIC_DEFAULT, mContext.getString(
-                        com.android.internal.R.string.default_notification_topic_label))
-                : sbn.getNotification().getTopic();
-
-        ((TextView) row.findViewById(R.id.topic_details)).setText(topic.getLabel());
-        final TextView topicSummary = ((TextView) row.findViewById(R.id.summary));
-        int importance = mNotificationData.getImportance(sbn.getKey());
-        SeekBar seekBar = (SeekBar) row.findViewById(R.id.seekbar);
-        seekBar.setMax(4);
-        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
-            @Override
-            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
-                topicSummary.setText(getProgressSummary(progress));
-                if (fromUser) {
-                    try {
-                        sINM.setTopicImportance(sbn.getPackageName(), sbn.getUid(), topic,
-                                progress);
-                    } catch (RemoteException e) {
-                        // :(
-                    }
-                }
-            }
-
-            @Override
-            public void onStartTrackingTouch(SeekBar seekBar) {
-                // no-op
-            }
-
-            @Override
-            public void onStopTrackingTouch(SeekBar seekBar) {
-                // no-op
-            }
-
-            private String getProgressSummary(int progress) {
-                switch (progress) {
-                    case NotificationListenerService.Ranking.IMPORTANCE_NONE:
-                        return mContext.getString(
-                                com.android.internal.R.string.notification_importance_blocked);
-                    case NotificationListenerService.Ranking.IMPORTANCE_LOW:
-                        return mContext.getString(
-                                com.android.internal.R.string.notification_importance_low);
-                    case NotificationListenerService.Ranking.IMPORTANCE_DEFAULT:
-                        return mContext.getString(
-                                com.android.internal.R.string.notification_importance_default);
-                    case NotificationListenerService.Ranking.IMPORTANCE_HIGH:
-                        return mContext.getString(
-                                com.android.internal.R.string.notification_importance_high);
-                    case NotificationListenerService.Ranking.IMPORTANCE_MAX:
-                        return mContext.getString(
-                                com.android.internal.R.string.notification_importance_max);
-                    default:
-                        return "";
-                }
-            }
-        });
-        seekBar.setProgress(importance);
+        guts.bindImportance(sbn, row, mNotificationData.getImportance(sbn.getKey()));
     }
 
     protected SwipeHelper.LongPressListener getNotificationLongClicker() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
index 0081496..57db80a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationGuts.java
@@ -16,12 +16,22 @@
 
 package com.android.systemui.statusbar;
 
+import android.app.INotificationManager;
+import android.app.Notification;
 import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.service.notification.NotificationListenerService;
+import android.service.notification.StatusBarNotification;
 import android.util.AttributeSet;
+import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.LinearLayout;
+import android.widget.RadioButton;
+import android.widget.SeekBar;
+import android.widget.TextView;
 
 import com.android.systemui.R;
 
@@ -83,6 +93,88 @@
         }
     }
 
+    void bindImportance(final StatusBarNotification sbn, final ExpandableNotificationRow row,
+            final int importance) {
+        final INotificationManager sINM = INotificationManager.Stub.asInterface(
+                ServiceManager.getService(Context.NOTIFICATION_SERVICE));
+        final Notification.Topic topic = sbn.getNotification().getTopic() == null
+                ? new Notification.Topic(Notification.TOPIC_DEFAULT, mContext.getString(
+                com.android.internal.R.string.default_notification_topic_label))
+                : sbn.getNotification().getTopic();
+
+        final RadioButton applyToTopic = (RadioButton) row.findViewById(R.id.apply_to_topic);
+        if (sbn.getNotification().getTopic() != null) {
+            applyToTopic.setVisibility(View.VISIBLE);
+            applyToTopic.setChecked(true);
+            applyToTopic.setText(mContext.getString(R.string.apply_to_topic, topic.getLabel()));
+            row.findViewById(R.id.apply_to_app).setVisibility(View.VISIBLE);
+        }
+
+        final TextView topicSummary = ((TextView) row.findViewById(R.id.summary));
+        final TextView topicTitle = ((TextView) row.findViewById(R.id.title));
+        SeekBar seekBar = (SeekBar) row.findViewById(R.id.seekbar);
+        seekBar.setMax(4);
+        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                updateTitleAndSummary(progress);
+                if (fromUser) {
+                    try {
+                        if (applyToTopic.isChecked()) {
+                            sINM.setTopicImportance(sbn.getPackageName(), sbn.getUid(), topic,
+                                    progress);
+                        } else {
+                            sINM.setAppImportance(sbn.getPackageName(), sbn.getUid(), progress);
+                        }
+                    } catch (RemoteException e) {
+                        // :(
+                    }
+                }
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+                // no-op
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+                // no-op
+            }
+
+            private void updateTitleAndSummary(int progress) {
+                switch (progress) {
+                    case NotificationListenerService.Ranking.IMPORTANCE_NONE:
+                        topicSummary.setText(mContext.getString(
+                                R.string.notification_importance_blocked));
+                        topicTitle.setText(mContext.getString(R.string.blocked_importance));
+                        break;
+                    case NotificationListenerService.Ranking.IMPORTANCE_LOW:
+                        topicSummary.setText(mContext.getString(
+                                R.string.notification_importance_low));
+                        topicTitle.setText(mContext.getString(R.string.low_importance));
+                        break;
+                    case NotificationListenerService.Ranking.IMPORTANCE_DEFAULT:
+                        topicSummary.setText(mContext.getString(
+                                R.string.notification_importance_default));
+                        topicTitle.setText(mContext.getString(R.string.default_importance));
+                        break;
+                    case NotificationListenerService.Ranking.IMPORTANCE_HIGH:
+                        topicSummary.setText(mContext.getString(
+                                R.string.notification_importance_high));
+                        topicTitle.setText(mContext.getString(R.string.high_importance));
+                        break;
+                    case NotificationListenerService.Ranking.IMPORTANCE_MAX:
+                        topicSummary.setText(mContext.getString(
+                                R.string.notification_importance_max));
+                        topicTitle.setText(mContext.getString(R.string.max_importance));
+                        break;
+                }
+            }
+        });
+        seekBar.setProgress(importance);
+    }
+
     public void setActualHeight(int actualHeight) {
         mActualHeight = actualHeight;
         invalidate();
diff --git a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
index df18d3e..946b233 100644
--- a/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
+++ b/services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java
@@ -16,6 +16,7 @@
 
 package com.android.server.appwidget;
 
+import android.app.ActivityManager;
 import android.app.AlarmManager;
 import android.app.AppGlobals;
 import android.app.AppOpsManager;
@@ -76,6 +77,7 @@
 import android.view.WindowManager;
 import android.widget.RemoteViews;
 
+import com.android.internal.R;
 import com.android.internal.appwidget.IAppWidgetHost;
 import com.android.internal.appwidget.IAppWidgetService;
 import com.android.internal.os.BackgroundThread;
@@ -83,7 +85,6 @@
 import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.widget.IRemoteViewsAdapterConnection;
 import com.android.internal.widget.IRemoteViewsFactory;
-import com.android.internal.R;
 import com.android.server.LocalServices;
 import com.android.server.WidgetBackupProvider;
 
@@ -139,8 +140,10 @@
     private static final int CURRENT_VERSION = 1;
 
     private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
+        @Override
         public void onReceive(Context context, Intent intent) {
-            String action = intent.getAction();
+            final String action = intent.getAction();
+            final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
 
             if (DEBUG) {
                 Slog.i(TAG, "Received broadcast: " + action);
@@ -148,23 +151,16 @@
 
             if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) {
                 onConfigurationChanged();
-            } else if (Intent.ACTION_USER_STARTED.equals(action)) {
-                onUserStarted(intent.getIntExtra(Intent.EXTRA_USER_HANDLE,
-                        UserHandle.USER_NULL));
+            } else if (Intent.ACTION_USER_UNLOCKED.equals(action)) {
+                onUserUnlocked(userId);
             } else if (Intent.ACTION_USER_STOPPED.equals(action)) {
-                onUserStopped(intent.getIntExtra(Intent.EXTRA_USER_HANDLE,
-                        UserHandle.USER_NULL));
+                onUserStopped(userId);
             } else if (Intent.ACTION_USER_SWITCHED.equals(action)) {
-                refreshProfileWidgetsMaskedState(intent.getIntExtra(Intent.EXTRA_USER_HANDLE,
-                        UserHandle.USER_NULL));
+                refreshProfileWidgetsMaskedState(userId);
             } else if (Intent.ACTION_MANAGED_PROFILE_AVAILABILITY_CHANGED.equals(action)) {
-                UserHandle profile = (UserHandle)intent.getParcelableExtra(Intent.EXTRA_USER);
-                if (profile != null) {
-                    refreshWidgetMaskedState(profile.getIdentifier());
-                }
+                refreshWidgetMaskedState(userId);
             } else {
-                onPackageBroadcastReceived(intent, intent.getIntExtra(
-                        Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL));
+                onPackageBroadcastReceived(intent, userId);
             }
         }
     };
@@ -263,7 +259,7 @@
                 sdFilter, null, null);
 
         IntentFilter userFilter = new IntentFilter();
-        userFilter.addAction(Intent.ACTION_USER_STARTED);
+        userFilter.addAction(Intent.ACTION_USER_UNLOCKED);
         userFilter.addAction(Intent.ACTION_USER_STOPPED);
         userFilter.addAction(Intent.ACTION_USER_SWITCHED);
         mContext.registerReceiverAsUser(mBroadcastReceiver, UserHandle.ALL,
@@ -340,6 +336,8 @@
     }
 
     private void onPackageBroadcastReceived(Intent intent, int userId) {
+        if (!isUserRunningAndUnlocked(userId)) return;
+
         final String action = intent.getAction();
         boolean added = false;
         boolean changed = false;
@@ -419,9 +417,7 @@
      * Refresh the masked state for all profiles under the given user.
      */
     private void refreshProfileWidgetsMaskedState(int userId) {
-        if (userId == UserHandle.USER_NULL) {
-            return;
-        }
+        if (!isUserRunningAndUnlocked(userId)) return;
         List<UserInfo> profiles = mUserManager.getEnabledProfiles(userId);
         if (profiles != null) {
             for (int i = 0; i < profiles.size(); i++) {
@@ -435,6 +431,7 @@
      * Mask/unmask widgets in the given profile, depending on the quiet state of the profile.
      */
     private void refreshWidgetMaskedState(int profileId) {
+        if (!isUserRunningAndUnlocked(profileId)) return;
         final long identity = Binder.clearCallingIdentity();
         try {
             UserInfo user  = mUserManager.getUserInfo(profileId);
@@ -484,6 +481,11 @@
     }
 
     private void ensureGroupStateLoadedLocked(int userId) {
+        if (!isUserRunningAndUnlocked(userId)) {
+            throw new IllegalStateException(
+                    "User " + userId + " must be unlocked for widgets to be available");
+        }
+
         final int[] profileIds = mSecurityPolicy.getEnabledGroupProfileIds(userId);
 
         // Careful lad, we may have already loaded the state for some
@@ -2321,7 +2323,7 @@
         }
     }
 
-    private void onUserStarted(int userId) {
+    private void onUserUnlocked(int userId) {
         synchronized (mLock) {
             ensureGroupStateLoadedLocked(userId);
 
@@ -2510,6 +2512,15 @@
         mWidgetPackages.clear();
     }
 
+    private boolean isUserRunningAndUnlocked(int userId) {
+        if (userId == UserHandle.USER_NULL) {
+            return false;
+        } else {
+            return mContext.getSystemService(ActivityManager.class)
+                    .isUserRunningAndUnlocked(userId);
+        }
+    }
+
     @Override
     public boolean isBoundWidgetPackage(String packageName, int userId) {
         if (Binder.getCallingUid() != Process.SYSTEM_UID) {
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index b805c10..1d555c6 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -17061,6 +17061,8 @@
             }
         }
 
+        // Verify that protected broadcasts are only being sent by system code,
+        // and that system code is only sending protected broadcasts.
         final String action = intent.getAction();
         final boolean isProtectedBroadcast;
         try {
@@ -17070,35 +17072,47 @@
             return ActivityManager.BROADCAST_SUCCESS;
         }
 
-        /*
-         * Prevent non-system code (defined here to be non-persistent
-         * processes) from sending protected broadcasts.
-         */
-        int callingAppId = UserHandle.getAppId(callingUid);
-        if (callingAppId == Process.SYSTEM_UID || callingAppId == Process.PHONE_UID
-            || callingAppId == Process.SHELL_UID || callingAppId == Process.BLUETOOTH_UID
-            || callingAppId == Process.NFC_UID || callingUid == 0) {
-            // Always okay.
+        final boolean isCallerSystem;
+        switch (UserHandle.getAppId(callingUid)) {
+            case Process.ROOT_UID:
+            case Process.SYSTEM_UID:
+            case Process.PHONE_UID:
+            case Process.SHELL_UID:
+            case Process.BLUETOOTH_UID:
+            case Process.NFC_UID:
+                isCallerSystem = true;
+                break;
+            default:
+                isCallerSystem = (callerApp != null) && callerApp.persistent;
+                break;
+        }
 
-            // Yell if the system is trying to send a non-protected broadcast.
-            // The vast majority of broadcasts sent from system callers should
-            // be protected to avoid security holes, so exceptions here should
-            // be incredibly rare.
-            if (!isProtectedBroadcast
-                    && !Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) {
-                // TODO: eventually switch over to hard throw
+        if (isCallerSystem) {
+            if (isProtectedBroadcast
+                    || Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)
+                    || Intent.ACTION_MEDIA_SCANNER_SCAN_FILE.equals(action)
+                    || AppWidgetManager.ACTION_APPWIDGET_CONFIGURE.equals(action)
+                    || AppWidgetManager.ACTION_APPWIDGET_UPDATE.equals(action)) {
+                // Broadcast is either protected, or it's a public action that
+                // we've relaxed, so it's fine for system internals to send.
+            } else {
+                // The vast majority of broadcasts sent from system internals
+                // should be protected to avoid security holes, so yell loudly
+                // to ensure we examine these cases.
                 Log.wtf(TAG, "Sending non-protected broadcast " + action
                         + " from system", new Throwable());
             }
 
-        } else if (callerApp == null || !callerApp.persistent) {
+        } else {
             if (isProtectedBroadcast) {
                 String msg = "Permission Denial: not allowed to send broadcast "
                         + action + " from pid="
                         + callingPid + ", uid=" + callingUid;
                 Slog.w(TAG, msg);
                 throw new SecurityException(msg);
-            } else if (AppWidgetManager.ACTION_APPWIDGET_CONFIGURE.equals(action)) {
+
+            } else if (AppWidgetManager.ACTION_APPWIDGET_CONFIGURE.equals(action)
+                    || AppWidgetManager.ACTION_APPWIDGET_UPDATE.equals(action)) {
                 // Special case for compatibility: we don't want apps to send this,
                 // but historically it has not been protected and apps may be using it
                 // to poke their own app widget.  So, instead of making it protected,
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index d215fc6..3da0f8d 100755
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -16,22 +16,21 @@
 
 package com.android.server.am;
 
-import static com.android.server.am.ActivityManagerDebugConfig.*;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_CONFIGURATION;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_SAVED_STATE;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_SWITCH;
+import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_THUMBNAILS;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_STATES;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_SWITCH;
+import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_THUMBNAILS;
+import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM;
+import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME;
 import static com.android.server.am.TaskRecord.INVALID_TASK_ID;
 
 import android.app.ActivityManager.TaskDescription;
-import android.app.PendingIntent;
-import android.os.PersistableBundle;
-import android.os.Trace;
-
-import com.android.internal.app.ResolverActivity;
-import com.android.internal.content.ReferrerIntent;
-import com.android.internal.util.XmlUtils;
-import com.android.server.AttributeCache;
-import com.android.server.am.ActivityStack.ActivityState;
-import com.android.server.am.ActivityStackSupervisor.ActivityContainer;
-
 import android.app.ActivityOptions;
+import android.app.PendingIntent;
 import android.app.ResultInfo;
 import android.content.ComponentName;
 import android.content.Intent;
@@ -45,9 +44,11 @@
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.Message;
+import android.os.PersistableBundle;
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
+import android.os.Trace;
 import android.os.UserHandle;
 import android.util.EventLog;
 import android.util.Log;
@@ -57,9 +58,12 @@
 import android.view.IApplicationToken;
 import android.view.WindowManager;
 
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-import org.xmlpull.v1.XmlSerializer;
+import com.android.internal.app.ResolverActivity;
+import com.android.internal.content.ReferrerIntent;
+import com.android.internal.util.XmlUtils;
+import com.android.server.AttributeCache;
+import com.android.server.am.ActivityStack.ActivityState;
+import com.android.server.am.ActivityStackSupervisor.ActivityContainer;
 
 import java.io.File;
 import java.io.IOException;
@@ -69,6 +73,10 @@
 import java.util.HashSet;
 import java.util.Objects;
 
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlSerializer;
+
 /**
  * An entry in the history stack, representing an activity.
  */
@@ -398,6 +406,11 @@
         }
     }
 
+    boolean isFreeform() {
+        return task != null && task.stack != null
+                && task.stack.mStackId == FREEFORM_WORKSPACE_STACK_ID;
+    }
+
     static class Token extends IApplicationToken.Stub {
         private final WeakReference<ActivityRecord> weakActivity;
         private final ActivityManagerService mService;
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index bfd17b2..ada71f67 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -813,10 +813,9 @@
 
         if (hasVisibleBehindActivity()) {
             // Stop visible behind activity before going to sleep.
-            final ActivityRecord r = mActivityContainer.mActivityDisplay.mVisibleBehindActivity;
+            final ActivityRecord r = getVisibleBehindActivity();
             mStackSupervisor.mStoppingActivities.add(r);
-            if (DEBUG_STATES) Slog.v(TAG_STATES,
-                    "Sleep still waiting to stop visible behind " + r);
+            if (DEBUG_STATES) Slog.v(TAG_STATES, "Sleep still waiting to stop visible behind " + r);
             return true;
         }
 
@@ -1053,7 +1052,7 @@
             mHandler.removeMessages(STOP_TIMEOUT_MSG, r);
             r.stopped = true;
             r.state = ActivityState.STOPPED;
-            if (mActivityContainer.mActivityDisplay.mVisibleBehindActivity == r) {
+            if (getVisibleBehindActivity() == r) {
                 mStackSupervisor.requestVisibleBehindLocked(r, false);
             }
             if (r.finishing) {
@@ -1214,9 +1213,9 @@
 
         next.returningOptions = null;
 
-        if (mActivityContainer.mActivityDisplay.mVisibleBehindActivity == next) {
+        if (getVisibleBehindActivity() == next) {
             // When resuming an activity, require it to call requestVisibleBehind() again.
-            mActivityContainer.mActivityDisplay.setVisibleBehindActivity(null);
+            setVisibleBehindActivity(null);
         }
     }
 
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 80d531e..483293f 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -2260,7 +2260,8 @@
             // Also put noDisplay activities in the source task. These by itself can
             // be placed in any task/stack, however it could launch other activities
             // like ResolverActivity, and we want those to stay in the original task.
-            if (r.isResolverActivity() || r.noDisplay) {
+            if ((r.isResolverActivity() || r.noDisplay) && sourceRecord != null
+                    && sourceRecord.isFreeform())  {
                 addingToTask = true;
             }
         }
@@ -5170,7 +5171,7 @@
 
         /** All of the stacks on this display. Order matters, topmost stack is in front of all other
          * stacks, bottommost behind. Accessed directly by ActivityManager package classes */
-        final ArrayList<ActivityStack> mStacks = new ArrayList<ActivityStack>();
+        final ArrayList<ActivityStack> mStacks = new ArrayList<>();
 
         ActivityRecord mVisibleBehindActivity;
 
diff --git a/services/core/java/com/android/server/am/UserController.java b/services/core/java/com/android/server/am/UserController.java
index 62e78a4..e49bc3c 100644
--- a/services/core/java/com/android/server/am/UserController.java
+++ b/services/core/java/com/android/server/am/UserController.java
@@ -245,6 +245,7 @@
                 mHandler.sendMessage(mHandler.obtainMessage(SYSTEM_USER_UNLOCK_MSG, userId, 0));
 
                 final Intent unlockedIntent = new Intent(Intent.ACTION_USER_UNLOCKED);
+                unlockedIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId);
                 unlockedIntent.addFlags(
                         Intent.FLAG_RECEIVER_REGISTERED_ONLY | Intent.FLAG_RECEIVER_FOREGROUND);
                 mService.broadcastIntentLocked(null, null, unlockedIntent, null, null, 0, null,
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index bb07e9d..0bfbd7f 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -1248,6 +1248,13 @@
             return mRankingHelper.getTopicImportance(pkg, uid, topic);
         }
 
+        @Override
+        public void setAppImportance(String pkg, int uid, int importance) {
+            enforceSystemOrSystemUI("Caller not system or systemui");
+            mRankingHelper.setAppImportance(pkg, uid, importance);
+            savePolicyFile();
+        }
+
         /**
          * System-only API for getting a list of current (i.e. not cleared) notifications.
          *
diff --git a/services/core/java/com/android/server/notification/RankingConfig.java b/services/core/java/com/android/server/notification/RankingConfig.java
index acdd90a..a6c9b0d 100644
--- a/services/core/java/com/android/server/notification/RankingConfig.java
+++ b/services/core/java/com/android/server/notification/RankingConfig.java
@@ -35,4 +35,6 @@
     void setTopicImportance(String packageName, int uid, Notification.Topic topic, int importance);
 
     int getTopicImportance(String packageName, int uid, Notification.Topic topic);
+
+    void setAppImportance(String packageName, int uid, int importance);
 }
diff --git a/services/core/java/com/android/server/notification/RankingHelper.java b/services/core/java/com/android/server/notification/RankingHelper.java
index 5a31c6a..32c0ce2 100644
--- a/services/core/java/com/android/server/notification/RankingHelper.java
+++ b/services/core/java/com/android/server/notification/RankingHelper.java
@@ -251,6 +251,7 @@
             }
             out.startTag(null, TAG_PACKAGE);
             out.attribute(null, ATT_NAME, r.pkg);
+            out.attribute(null, ATT_IMPORTANCE, Integer.toString(r.importance));
 
             if (!forBackup) {
                 out.attribute(null, ATT_UID, Integer.toString(r.uid));
@@ -426,6 +427,20 @@
         updateConfig();
     }
 
+    /**
+     * Sets the default importance for all new topics that appear in the future, and resets
+     * the importance of all current topics.
+     */
+    @Override
+    public void setAppImportance(String pkgName, int uid, int importance) {
+        final Record r = getOrCreateRecord(pkgName, uid);
+        r.importance = importance;
+        for (Topic t :  r.topics.values()) {
+            t.importance = importance;
+        }
+        updateConfig();
+    }
+
     private Topic getOrCreateTopic(Record r, Notification.Topic topic) {
         if (topic == null) {
             topic = createDefaultTopic();
@@ -435,6 +450,7 @@
             return t;
         } else {
             t = new Topic(topic);
+            t.importance = r.importance;
             r.topics.put(topic.getId(), t);
             return t;
         }
@@ -477,6 +493,8 @@
                 pw.print(" (");
                 pw.print(r.uid == Record.UNKNOWN_UID ? "UNKNOWN_UID" : Integer.toString(r.uid));
                 pw.print(')');
+                pw.print(" importance=");
+                pw.print(Ranking.importanceToString(r.importance));
                 pw.println();
                 for (Topic t : r.topics.values()) {
                     pw.print(prefix);
@@ -532,6 +550,7 @@
 
         String pkg;
         int uid = UNKNOWN_UID;
+        int importance = DEFAULT_IMPORTANCE;
         Map<String, Topic> topics = new ArrayMap<>();
    }
 
diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index fa0aa37..66d10b5 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -482,7 +482,6 @@
             throw new PackageManagerException(INSTALL_FAILED_CONTAINER_ERROR,
                     "Failed to resolve stage location", e);
         }
-        final boolean quickInstall = (params.installFlags & PackageManager.INSTALL_QUICK) != 0;
 
         // Verify that stage looks sane with respect to existing application.
         // This currently only ensures packageName, versionCode, and certificate
@@ -490,10 +489,7 @@
         validateInstallLocked();
 
         Preconditions.checkNotNull(mPackageName);
-        // TODO: fix b/25118622; don't bypass signature check
-        if (!quickInstall) {
-            Preconditions.checkNotNull(mSignatures);
-        }
+        Preconditions.checkNotNull(mSignatures);
         Preconditions.checkNotNull(mResolvedBaseFile);
 
         if (!mPermissionsAccepted) {
@@ -603,7 +599,6 @@
      * {@link PackageManagerService}.
      */
     private void validateInstallLocked() throws PackageManagerException {
-        final boolean quickInstall = (params.installFlags & PackageManager.INSTALL_QUICK) != 0;
         mPackageName = null;
         mVersionCode = -1;
         mSignatures = null;
@@ -627,9 +622,7 @@
 
             final ApkLite apk;
             try {
-                // TODO: fix b/25118622; always use PARSE_COLLECT_CERTIFICATES
-                final int parseFlags = quickInstall ? 0 : PackageParser.PARSE_COLLECT_CERTIFICATES;
-                apk = PackageParser.parseApkLite(file, parseFlags);
+                apk = PackageParser.parseApkLite(file, PackageParser.PARSE_COLLECT_CERTIFICATES);
             } catch (PackageParserException e) {
                 throw PackageManagerException.from(e);
             }
@@ -750,7 +743,6 @@
     }
 
     private void assertApkConsistent(String tag, ApkLite apk) throws PackageManagerException {
-        final boolean quickInstall = (params.installFlags & PackageManager.INSTALL_QUICK) != 0;
         if (!mPackageName.equals(apk.packageName)) {
             throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, tag + " package "
                     + apk.packageName + " inconsistent with " + mPackageName);
@@ -760,8 +752,7 @@
                     + " version code " + apk.versionCode + " inconsistent with "
                     + mVersionCode);
         }
-        // TODO: fix b/25118622; don't bypass signature check
-        if (!quickInstall && !Signature.areExactMatch(mSignatures, apk.signatures)) {
+        if (!Signature.areExactMatch(mSignatures, apk.signatures)) {
             throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
                     tag + " signatures are inconsistent");
         }
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 42e8b01..dfb01eb 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -10426,10 +10426,6 @@
         if (!DEFAULT_VERIFY_ENABLE) {
             return false;
         }
-        // TODO: fix b/25118622; don't bypass verification
-        if (Build.IS_DEBUGGABLE && (installFlags & PackageManager.INSTALL_QUICK) != 0) {
-            return false;
-        }
         // Ephemeral apps don't get the full verification treatment
         if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) {
             if (DEBUG_EPHEMERAL) {
@@ -12792,7 +12788,6 @@
         final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
         final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0)
                 || (args.volumeUuid != null));
-        final boolean quickInstall = ((installFlags & PackageManager.INSTALL_QUICK) != 0);
         final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0);
         boolean replace = false;
         int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE;
@@ -12818,7 +12813,6 @@
                 | PackageParser.PARSE_ENFORCE_CODE
                 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
                 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0)
-                | (quickInstall ? PackageParser.PARSE_SKIP_VERIFICATION : 0)
                 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0);
         PackageParser pp = new PackageParser();
         pp.setSeparateProcesses(mSeparateProcesses);
diff --git a/services/core/java/com/android/server/pm/UserManagerService.java b/services/core/java/com/android/server/pm/UserManagerService.java
index f5da103..13f4826 100644
--- a/services/core/java/com/android/server/pm/UserManagerService.java
+++ b/services/core/java/com/android/server/pm/UserManagerService.java
@@ -526,6 +526,7 @@
         if (parentHandle != null) {
             intent = new Intent(Intent.ACTION_MANAGED_PROFILE_AVAILABILITY_CHANGED);
             intent.putExtra(Intent.EXTRA_USER, profileHandle);
+            intent.putExtra(Intent.EXTRA_USER_HANDLE, profileHandle.getIdentifier());
             intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
             intent.putExtras(extras);
             mContext.sendBroadcastAsUser(intent, parentHandle);
@@ -2073,6 +2074,7 @@
         managedProfileIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY |
                 Intent.FLAG_RECEIVER_FOREGROUND);
         managedProfileIntent.putExtra(Intent.EXTRA_USER, new UserHandle(removedUserId));
+        managedProfileIntent.putExtra(Intent.EXTRA_USER_HANDLE, removedUserId);
         mContext.sendBroadcastAsUser(managedProfileIntent, new UserHandle(parentUserId), null);
     }
 
diff --git a/services/core/java/com/android/server/wm/AppWindowAnimator.java b/services/core/java/com/android/server/wm/AppWindowAnimator.java
index ab47f07..8292997 100644
--- a/services/core/java/com/android/server/wm/AppWindowAnimator.java
+++ b/services/core/java/com/android/server/wm/AppWindowAnimator.java
@@ -223,7 +223,7 @@
             }
             if (DEBUG_LAYERS) Slog.v(TAG, "Updating layer " + w + ": " + winAnimator.mAnimLayer);
             if (w == mService.mInputMethodTarget && !mService.mInputMethodTargetWaitingAnim) {
-                mService.setInputMethodAnimLayerAdjustment(adj);
+                mService.mLayersController.setInputMethodAnimLayerAdjustment(adj);
             }
             wallpaperController.setAnimLayerAdjustment(w, adj);
         }
diff --git a/services/core/java/com/android/server/wm/WindowAnimator.java b/services/core/java/com/android/server/wm/WindowAnimator.java
index 6a5183f..62d4f36 100644
--- a/services/core/java/com/android/server/wm/WindowAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowAnimator.java
@@ -782,7 +782,7 @@
         SurfaceControl.openTransaction();
         try {
             for (int i = mService.mDisplayContents.size() - 1; i >= 0; i--) {
-                DisplayContent display = mService.mDisplayContents.get(i);
+                DisplayContent display = mService.mDisplayContents.valueAt(i);
                 final WindowList windows = mService.getWindowListLocked(display.getDisplayId());
                 for (int j = windows.size() - 1; j >= 0; j--) {
                     windows.get(j).maybeRemoveReplacedWindow();
diff --git a/services/core/java/com/android/server/wm/WindowLayersController.java b/services/core/java/com/android/server/wm/WindowLayersController.java
new file mode 100644
index 0000000..4a77b22
--- /dev/null
+++ b/services/core/java/com/android/server/wm/WindowLayersController.java
@@ -0,0 +1,202 @@
+package com.android.server.wm;
+
+import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS;
+import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
+import static com.android.server.wm.WindowManagerService.WINDOW_LAYER_MULTIPLIER;
+
+import android.app.ActivityManager.StackId;
+import android.util.Slog;
+import android.view.Display;
+
+import java.io.PrintWriter;
+
+/**
+ * Controller for assigning layers to windows on the display.
+ *
+ * This class encapsulates general algorithm for assigning layers and special rules that we need to
+ * apply on top. The general algorithm goes through windows from bottom to the top and the higher
+ * the window is, the higher layer is assigned. The final layer is equal to base layer +
+ * adjustment from the order. This means that the window list is assumed to be ordered roughly by
+ * the base layer (there are exceptions, e.g. due to keyguard and wallpaper and they need to be
+ * handled with care, because they break the algorithm).
+ *
+ * On top of the general algorithm we add special rules, that govern such amazing things as:
+ * <li>IME (which has higher base layer, but will be positioned above application windows)</li>
+ * <li>docked/pinned windows (that need to be lifted above other application windows, including
+ * animations)
+ * <li>dock divider (which needs to live above applications, but below IME)</li>
+ * <li>replaced windows, which need to live above their normal level, because they anticipate
+ * an animation</li>.
+ */
+public class WindowLayersController {
+    private final WindowManagerService mService;
+
+    private int mInputMethodAnimLayerAdjustment;
+
+    public WindowLayersController(WindowManagerService service) {
+        mService = service;
+    }
+
+    private int mHighestApplicationLayer = 0;
+    private WindowState mPinnedWindow = null;
+    private WindowState mDockedWindow = null;
+    private WindowState mDockDivider = null;
+    private WindowState mImeWindow = null;
+    private WindowState mReplacingWindow = null;
+
+    final void assignLayersLocked(WindowList windows) {
+        if (DEBUG_LAYERS) Slog.v(TAG_WM, "Assigning layers based on windows=" + windows,
+                new RuntimeException("here").fillInStackTrace());
+
+        clear();
+        int curBaseLayer = 0;
+        int curLayer = 0;
+        boolean anyLayerChanged = false;
+        for (int i = 0, windowCount = windows.size(); i < windowCount; i++) {
+            final WindowState w = windows.get(i);
+            boolean layerChanged = false;
+
+            int oldLayer = w.mLayer;
+            if (w.mBaseLayer == curBaseLayer || w.mIsImWindow || (i > 0 && w.mIsWallpaper)) {
+                curLayer += WINDOW_LAYER_MULTIPLIER;
+                w.mLayer = curLayer;
+            } else {
+                curBaseLayer = curLayer = w.mBaseLayer;
+                w.mLayer = curLayer;
+            }
+            if (w.mLayer != oldLayer) {
+                layerChanged = true;
+                anyLayerChanged = true;
+            }
+
+            final WindowStateAnimator winAnimator = w.mWinAnimator;
+            oldLayer = winAnimator.mAnimLayer;
+            winAnimator.mAnimLayer = w.mLayer + w.getAnimLayerAdjustment() +
+                    getSpecialWindowAnimLayerAdjustment(w);
+            if (winAnimator.mAnimLayer != oldLayer) {
+                layerChanged = true;
+                anyLayerChanged = true;
+            }
+
+            if (w.mAppToken != null) {
+                mHighestApplicationLayer = Math.max(mHighestApplicationLayer,
+                        winAnimator.mAnimLayer);
+            }
+            collectSpecialWindows(w);
+
+            if (layerChanged) {
+                w.scheduleAnimationIfDimming();
+            }
+        }
+
+        adjustSpecialWindows();
+
+        //TODO (multidisplay): Magnification is supported only for the default display.
+        if (mService.mAccessibilityController != null && anyLayerChanged
+                && windows.get(windows.size() - 1).getDisplayId() == Display.DEFAULT_DISPLAY) {
+            mService.mAccessibilityController.onWindowLayersChangedLocked();
+        }
+
+        if (DEBUG_LAYERS) logDebugLayers(windows);
+    }
+
+    void setInputMethodAnimLayerAdjustment(int adj) {
+        if (DEBUG_LAYERS) Slog.v(TAG_WM, "Setting im layer adj to " + adj);
+        mInputMethodAnimLayerAdjustment = adj;
+        final WindowState imw = mService.mInputMethodWindow;
+        if (imw != null) {
+            imw.mWinAnimator.mAnimLayer = imw.mLayer + adj;
+            if (DEBUG_LAYERS) Slog.v(TAG_WM, "IM win " + imw
+                    + " anim layer: " + imw.mWinAnimator.mAnimLayer);
+            for (int i = imw.mChildWindows.size() - 1; i >= 0; i--) {
+                final WindowState childWindow = imw.mChildWindows.get(i);
+                childWindow.mWinAnimator.mAnimLayer = childWindow.mLayer + adj;
+                if (DEBUG_LAYERS) Slog.v(TAG_WM, "IM win " + childWindow
+                        + " anim layer: " + childWindow.mWinAnimator.mAnimLayer);
+            }
+        }
+        for (int i = mService.mInputMethodDialogs.size() - 1; i >= 0; i--) {
+            final WindowState dialog = mService.mInputMethodDialogs.get(i);
+            dialog.mWinAnimator.mAnimLayer = dialog.mLayer + adj;
+            if (DEBUG_LAYERS) Slog.v(TAG_WM, "IM win " + imw
+                    + " anim layer: " + dialog.mWinAnimator.mAnimLayer);
+        }
+    }
+
+    int getSpecialWindowAnimLayerAdjustment(WindowState win) {
+        if (win.mIsImWindow) {
+            return mInputMethodAnimLayerAdjustment;
+        } else if (win.mIsWallpaper) {
+            return mService.mWallpaperControllerLocked.getAnimLayerAdjustment();
+        }
+        return 0;
+    }
+
+    private void logDebugLayers(WindowList windows) {
+        for (int i = 0, n = windows.size(); i < n; i++) {
+            final WindowState w = windows.get(i);
+            final WindowStateAnimator winAnimator = w.mWinAnimator;
+            Slog.v(TAG_WM, "Assign layer " + w + ": " + "mBase=" + w.mBaseLayer
+                    + " mLayer=" + w.mLayer + (w.mAppToken == null
+                    ? "" : " mAppLayer=" + w.mAppToken.mAppAnimator.animLayerAdjustment)
+                    + " =mAnimLayer=" + winAnimator.mAnimLayer);
+        }
+    }
+
+    private void clear() {
+        mHighestApplicationLayer = 0;
+        mImeWindow = null;
+        mPinnedWindow = null;
+        mDockedWindow = null;
+        mDockDivider = null;
+    }
+
+    private void collectSpecialWindows(WindowState w) {
+        if (w.mIsImWindow) {
+            mImeWindow = w;
+        } else if (w.mAttrs.type == TYPE_DOCK_DIVIDER) {
+            mDockDivider = w;
+        } else {
+            final TaskStack stack = w.getStack();
+            if (stack.mStackId == StackId.PINNED_STACK_ID) {
+                mPinnedWindow = w;
+            } else if (stack.mStackId == StackId.DOCKED_STACK_ID) {
+                mDockedWindow = w;
+            }
+        }
+    }
+
+    private void adjustSpecialWindows() {
+        int layer = mHighestApplicationLayer + 1;
+        // For pinned and docked stack window, we want to make them above other windows
+        // also when these windows are animating.
+        layer = assignAndIncreaseLayerIfNeeded(mDockedWindow, layer);
+        layer = assignAndIncreaseLayerIfNeeded(mDockDivider, layer);
+        // We know that we will be animating a relaunching window in the near future,
+        // which will receive a z-order increase. We want the replaced window to
+        // immediately receive the same treatment, e.g. to be above the dock divider.
+        layer = assignAndIncreaseLayerIfNeeded(mReplacingWindow, layer);
+        layer = assignAndIncreaseLayerIfNeeded(mPinnedWindow, layer);
+        layer = assignAndIncreaseLayerIfNeeded(mImeWindow, layer);
+    }
+
+    private int assignAndIncreaseLayerIfNeeded(WindowState win, int layer) {
+        if (win != null) {
+            win.mLayer = layer;
+            win.mWinAnimator.mAnimLayer = layer;
+            layer++;
+        }
+        return layer;
+    }
+
+    void dump(PrintWriter pw, String s) {
+        if (mInputMethodAnimLayerAdjustment != 0 ||
+                mService.mWallpaperControllerLocked.getAnimLayerAdjustment() != 0) {
+            pw.print("  mInputMethodAnimLayerAdjustment=");
+            pw.print(mInputMethodAnimLayerAdjustment);
+            pw.print("  mWallpaperAnimLayerAdjustment=");
+            pw.println(mService.mWallpaperControllerLocked.getAnimLayerAdjustment());
+        }
+    }
+}
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 4ea0cf5..6385caa 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -66,7 +66,6 @@
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS_LIGHT;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT_METHOD;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_KEYGUARD;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYERS;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_RESIZE;
@@ -92,7 +91,6 @@
 import android.animation.ValueAnimator;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.app.ActivityManager.StackId;
 import android.app.ActivityManagerNative;
 import android.app.AppOpsManager;
 import android.app.IActivityManager;
@@ -566,7 +564,6 @@
 
     /** If true hold off on modifying the animation layer of mInputMethodTarget */
     boolean mInputMethodTargetWaitingAnim;
-    int mInputMethodAnimLayerAdjustment;
 
     WindowState mInputMethodWindow = null;
     final ArrayList<WindowState> mInputMethodDialogs = new ArrayList<>();
@@ -608,6 +605,8 @@
 
     WallpaperController mWallpaperControllerLocked;
 
+    final WindowLayersController mLayersController;
+
     boolean mAnimateWallpaperWithTarget;
 
     AppWindowToken mFocusedApp = null;
@@ -880,6 +879,7 @@
 
         mWallpaperControllerLocked = new WallpaperController(this);
         mWindowPlacerLocked = new WindowSurfacePlacer(this);
+        mLayersController = new WindowLayersController(this);
 
         LocalServices.addService(WindowManagerPolicy.class, mPolicy);
 
@@ -1509,9 +1509,10 @@
                 mInputMethodTarget = w;
                 mInputMethodTargetWaitingAnim = false;
                 if (w.mAppToken != null) {
-                    setInputMethodAnimLayerAdjustment(w.mAppToken.mAppAnimator.animLayerAdjustment);
+                    mLayersController.setInputMethodAnimLayerAdjustment(
+                            w.mAppToken.mAppAnimator.animLayerAdjustment);
                 } else {
-                    setInputMethodAnimLayerAdjustment(0);
+                    mLayersController.setInputMethodAnimLayerAdjustment(0);
                 }
             }
             return i+1;
@@ -1520,7 +1521,7 @@
             if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Moving IM target from " + curTarget + " to null."
                     + (HIDE_STACK_CRAWLS ? "" : " Callers=" + Debug.getCallers(4)));
             mInputMethodTarget = null;
-            setInputMethodAnimLayerAdjustment(0);
+            mLayersController.setInputMethodAnimLayerAdjustment(0);
         }
         return -1;
     }
@@ -1542,33 +1543,6 @@
         moveInputMethodDialogsLocked(pos);
     }
 
-    void setInputMethodAnimLayerAdjustment(int adj) {
-        if (DEBUG_LAYERS) Slog.v(TAG_WM, "Setting im layer adj to " + adj);
-        mInputMethodAnimLayerAdjustment = adj;
-        WindowState imw = mInputMethodWindow;
-        if (imw != null) {
-            imw.mWinAnimator.mAnimLayer = imw.mLayer + adj;
-            if (DEBUG_LAYERS) Slog.v(TAG_WM, "IM win " + imw
-                    + " anim layer: " + imw.mWinAnimator.mAnimLayer);
-            int wi = imw.mChildWindows.size();
-            while (wi > 0) {
-                wi--;
-                WindowState cw = imw.mChildWindows.get(wi);
-                cw.mWinAnimator.mAnimLayer = cw.mLayer + adj;
-                if (DEBUG_LAYERS) Slog.v(TAG_WM, "IM win " + cw
-                        + " anim layer: " + cw.mWinAnimator.mAnimLayer);
-            }
-        }
-        int di = mInputMethodDialogs.size();
-        while (di > 0) {
-            di --;
-            imw = mInputMethodDialogs.get(di);
-            imw.mWinAnimator.mAnimLayer = imw.mLayer + adj;
-            if (DEBUG_LAYERS) Slog.v(TAG_WM, "IM win " + imw
-                    + " anim layer: " + imw.mWinAnimator.mAnimLayer);
-        }
-    }
-
     private int tmpRemoveWindowLocked(int interestingPos, WindowState win) {
         WindowList windows = win.getWindowList();
         int wpos = windows.indexOf(win);
@@ -1767,7 +1741,7 @@
         }
 
         if (needAssignLayers) {
-            assignLayersLocked(windows);
+            mLayersController.assignLayersLocked(windows);
         }
 
         return true;
@@ -2059,7 +2033,7 @@
                 moveInputMethodWindowsIfNeededLocked(false);
             }
 
-            assignLayersLocked(displayContent.getWindowList());
+            mLayersController.assignLayersLocked(displayContent.getWindowList());
             // Don't do layout here, the window must call
             // relayout to be displayed, so we'll do it there.
 
@@ -2386,7 +2360,7 @@
         if (windows != null) {
             windows.remove(win);
             if (!mWindowPlacerLocked.isInLayout()) {
-                assignLayersLocked(windows);
+                mLayersController.assignLayersLocked(windows);
                 win.setDisplayLayoutNeeded();
                 mWindowPlacerLocked.performSurfacePlacement();
                 if (win.mAppToken != null) {
@@ -2741,7 +2715,7 @@
                 // its layer recomputed.  However, if the IME was hidden
                 // and isn't actually moved in the list, its layer may be
                 // out of data so we make sure to recompute it.
-                assignLayersLocked(win.getWindowList());
+                mLayersController.assignLayersLocked(win.getWindowList());
             }
 
             if (wallpaperMayMove) {
@@ -4584,7 +4558,7 @@
 
         if (!updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
                 false /*updateInputWindows*/)) {
-            assignLayersLocked(displayContent.getWindowList());
+            mLayersController.assignLayersLocked(displayContent.getWindowList());
         }
 
         mInputMonitor.setUpdateInputWindowsNeededLw();
@@ -8660,102 +8634,6 @@
         Arrays.fill(mRebuildTmp, null);
     }
 
-    final void assignLayersLocked(WindowList windows) {
-        int N = windows.size();
-        int curBaseLayer = 0;
-        int curLayer = 0;
-        int i;
-
-        if (DEBUG_LAYERS) Slog.v(TAG_WM, "Assigning layers based on windows=" + windows,
-                new RuntimeException("here").fillInStackTrace());
-
-        boolean anyLayerChanged = false;
-
-        for (i=0; i<N; i++) {
-            final WindowState w = windows.get(i);
-            final WindowStateAnimator winAnimator = w.mWinAnimator;
-            boolean layerChanged = false;
-            int oldLayer = w.mLayer;
-            if (w.mBaseLayer == curBaseLayer || w.mIsImWindow || (i > 0 && w.mIsWallpaper)) {
-                curLayer += WINDOW_LAYER_MULTIPLIER;
-                w.mLayer = curLayer;
-            } else {
-                curBaseLayer = curLayer = w.mBaseLayer;
-                w.mLayer = curLayer;
-            }
-            if (w.mLayer != oldLayer) {
-                layerChanged = true;
-                anyLayerChanged = true;
-            }
-            final AppWindowToken wtoken = w.mAppToken;
-            oldLayer = winAnimator.mAnimLayer;
-            if (w.mTargetAppToken != null) {
-                winAnimator.mAnimLayer =
-                        w.mLayer + w.mTargetAppToken.mAppAnimator.animLayerAdjustment;
-            } else if (wtoken != null) {
-                winAnimator.mAnimLayer =
-                        w.mLayer + wtoken.mAppAnimator.animLayerAdjustment;
-                forceHigherLayerIfNeeded(w, winAnimator, wtoken);
-            } else {
-                winAnimator.mAnimLayer = w.mLayer;
-            }
-            if (w.mIsImWindow) {
-                winAnimator.mAnimLayer += mInputMethodAnimLayerAdjustment;
-            } else if (w.mIsWallpaper) {
-                winAnimator.mAnimLayer += mWallpaperControllerLocked.getAnimLayerAdjustment();
-            }
-            if (winAnimator.mAnimLayer != oldLayer) {
-                layerChanged = true;
-                anyLayerChanged = true;
-            }
-            final DimLayer.DimLayerUser dimLayerUser = w.getDimLayerUser();
-            final DisplayContent displayContent = w.getDisplayContent();
-            if (layerChanged && dimLayerUser != null && displayContent != null &&
-                    displayContent.mDimLayerController.isDimming(dimLayerUser, winAnimator)) {
-                // Force an animation pass just to update the mDimLayer layer.
-                scheduleAnimationLocked();
-            }
-            if (DEBUG_LAYERS) Slog.v(TAG_WM, "Assign layer " + w + ": "
-                    + "mBase=" + w.mBaseLayer
-                    + " mLayer=" + w.mLayer
-                    + (wtoken == null ?
-                            "" : " mAppLayer=" + wtoken.mAppAnimator.animLayerAdjustment)
-                    + " =mAnimLayer=" + winAnimator.mAnimLayer);
-            //System.out.println(
-            //    "Assigned layer " + curLayer + " to " + w.mClient.asBinder());
-        }
-
-        //TODO (multidisplay): Magnification is supported only for the default display.
-        if (mAccessibilityController != null && anyLayerChanged
-                && windows.get(windows.size() - 1).getDisplayId() == Display.DEFAULT_DISPLAY) {
-            mAccessibilityController.onWindowLayersChangedLocked();
-        }
-    }
-
-    private void forceHigherLayerIfNeeded(WindowState w, WindowStateAnimator winAnimator,
-            AppWindowToken wtoken) {
-        boolean force = false;
-
-        if (w.mWillReplaceWindow) {
-            // We know that we will be animating a relaunching window in the near future,
-            // which will receive a z-order increase. We want the replaced window to
-            // immediately receive the same treatment, e.g. to be above the dock divider.
-            force = true;
-        }
-        if (!force) {
-            final TaskStack stack = w.getStack();
-            if (stack != null && (StackId.shouldIncreaseApplicationWindowLayer(stack.mStackId))) {
-                // For pinned and docked stack window, we want to make them above other windows
-                // also when these windows are animating.
-                force = true;
-            }
-        }
-        if (force) {
-            w.mLayer += TYPE_LAYER_OFFSET;
-            winAnimator.mAnimLayer += TYPE_LAYER_OFFSET;
-        }
-    }
-
     void makeWindowFreezingScreenIfNeededLocked(WindowState w) {
         // If the screen is currently frozen or off, then keep
         // it frozen/off until this window draws at its new
@@ -9126,7 +9004,7 @@
                 } else if (mode == UPDATE_FOCUS_WILL_PLACE_SURFACES) {
                     // Client will do the layout, but we need to assign layers
                     // for handleNewWindowLocked() below.
-                    assignLayersLocked(displayContent.getWindowList());
+                    mLayersController.assignLayersLocked(displayContent.getWindowList());
                 }
             }
 
@@ -9814,13 +9692,7 @@
             }
             mWindowPlacerLocked.dump(pw, "  ");
             mWallpaperControllerLocked.dump(pw, "  ");
-            if (mInputMethodAnimLayerAdjustment != 0 ||
-                    mWallpaperControllerLocked.getAnimLayerAdjustment() != 0) {
-                pw.print("  mInputMethodAnimLayerAdjustment=");
-                        pw.print(mInputMethodAnimLayerAdjustment);
-                        pw.print("  mWallpaperAnimLayerAdjustment=");
-                        pw.println(mWallpaperControllerLocked.getAnimLayerAdjustment());
-            }
+            mLayersController.dump(pw, "  ");
             pw.print("  mSystemBooted="); pw.print(mSystemBooted);
                     pw.print(" mDisplayEnabled="); pw.println(mDisplayEnabled);
             if (needsLayout()) {
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index e4a6806..9a24942 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -1273,6 +1273,29 @@
         mHasSurface = hasSurface;
     }
 
+    int getAnimLayerAdjustment() {
+        if (mTargetAppToken != null) {
+            return mTargetAppToken.mAppAnimator.animLayerAdjustment;
+        } else if (mAppToken != null) {
+            return mAppToken.mAppAnimator.animLayerAdjustment;
+        } else {
+            // Nothing is animating, so there is no animation adjustment.
+            return 0;
+        }
+    }
+
+    void scheduleAnimationIfDimming() {
+        if (mDisplayContent == null) {
+            return;
+        }
+        final DimLayer.DimLayerUser dimLayerUser = getDimLayerUser();
+        if (dimLayerUser != null && mDisplayContent.mDimLayerController.isDimming(
+                dimLayerUser, mWinAnimator)) {
+            // Force an animation pass just to update the mDimLayer layer.
+            mService.scheduleAnimationLocked();
+        }
+    }
+
     private final class DeadWindowEventReceiver extends InputEventReceiver {
         DeadWindowEventReceiver(InputChannel inputChannel) {
             super(inputChannel, mService.mH.getLooper());
diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index d4001cd..7605af0 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -384,12 +384,8 @@
         if (mAnimator.mWindowDetachedWallpaper == mWin) {
             mAnimator.mWindowDetachedWallpaper = null;
         }
-        mAnimLayer = mWin.mLayer;
-        if (mWin.mIsImWindow) {
-            mAnimLayer += mService.mInputMethodAnimLayerAdjustment;
-        } else if (mIsWallpaper) {
-            mAnimLayer += mWallpaperControllerLocked.getAnimLayerAdjustment();
-        }
+        mAnimLayer = mWin.mLayer
+                + mService.mLayersController.getSpecialWindowAnimLayerAdjustment(mWin);
         if (DEBUG_LAYERS) Slog.v(TAG, "Stepping win " + this + " anim layer: " + mAnimLayer);
         mHasTransformation = false;
         mHasLocalTransformation = false;
diff --git a/services/core/java/com/android/server/wm/WindowSurfacePlacer.java b/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
index 160c97f..cbfb201 100644
--- a/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
+++ b/services/core/java/com/android/server/wm/WindowSurfacePlacer.java
@@ -524,7 +524,7 @@
             }
 
             for (DisplayContent displayContent : displayList) {
-                mService.assignLayersLocked(displayContent.getWindowList());
+                mService.mLayersController.assignLayersLocked(displayContent.getWindowList());
                 displayContent.layoutNeeded = true;
             }
         }
@@ -599,7 +599,7 @@
 
                 if ((displayContent.pendingLayoutChanges & FINISH_LAYOUT_REDO_WALLPAPER) != 0 &&
                         mWallpaperControllerLocked.adjustWallpaperWindows()) {
-                    mService.assignLayersLocked(windows);
+                    mService.mLayersController.assignLayersLocked(windows);
                     displayContent.layoutNeeded = true;
                 }
 
@@ -1134,7 +1134,7 @@
         // TODO(multidisplay): IMEs are only supported on the default display.
         if (windows == mService.getDefaultWindowListLocked()
                 && !mService.moveInputMethodWindowsIfNeededLocked(true)) {
-            mService.assignLayersLocked(windows);
+            mService.mLayersController.assignLayersLocked(windows);
         }
         mService.updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES,
                 true /*updateInputWindows*/);
diff --git a/tests/StatusBar/src/com/android/statusbartest/NotificationTestList.java b/tests/StatusBar/src/com/android/statusbartest/NotificationTestList.java
index cf1a4aa..fecfdf9 100644
--- a/tests/StatusBar/src/com/android/statusbartest/NotificationTestList.java
+++ b/tests/StatusBar/src/com/android/statusbartest/NotificationTestList.java
@@ -23,6 +23,7 @@
 import android.content.ContentResolver;
 import android.content.Intent;
 import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.graphics.drawable.BitmapDrawable;
 import android.os.Bundle;
 import android.os.Vibrator;
@@ -180,6 +181,9 @@
 
         new Test("with topic GoodBye") {
             public void run() {
+                Notification.BigPictureStyle picture = new Notification.BigPictureStyle();
+                picture.bigPicture(BitmapFactory.decodeResource(getResources(),
+                        R.id.large_icon_pineapple2));
                 Notification n = new Notification.Builder(NotificationTestList.this)
                         .setSmallIcon(R.drawable.icon1)
                         .setWhen(mActivityCreateTime)
@@ -187,11 +191,29 @@
                         .setContentText("This is a notification!!!")
                         .setContentIntent(makeIntent2())
                         .setTopic(new Notification.Topic("bye", "Goodbye"))
+                        .setStyle(picture)
                         .build();
 
                 mNM.notify(9999, n);
             }
         },
+        new Test("with topic Bananas") {
+            public void run() {
+                Notification.BigTextStyle bigText = new Notification.BigTextStyle();
+                bigText.bigText("bananas are great\nso tasty\nyum\nyum\nyum\n");
+                Notification n = new Notification.Builder(NotificationTestList.this)
+                        .setSmallIcon(R.drawable.icon1)
+                        .setStyle(bigText)
+                        .setWhen(mActivityCreateTime)
+                        .setContentTitle("bananananana")
+                        .setContentText("This is a banana!!!")
+                        .setContentIntent(makeIntent2())
+                        .setTopic(new Notification.Topic("bananas", "Bananas"))
+                        .build();
+
+                mNM.notify(999, n);
+            }
+        },
 
         new Test("Whens") {
             public void run()