Merge "Adds Ability to Test with SoundTrigger Stub HAL" into nyc-dev
diff --git a/api/current.txt b/api/current.txt
index 2152d6f..5293b48 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -31715,6 +31715,7 @@
 
   public static final class DocumentsContract.Root {
     field public static final java.lang.String COLUMN_AVAILABLE_BYTES = "available_bytes";
+    field public static final java.lang.String COLUMN_CAPACITY_BYTES = "capacity_bytes";
     field public static final java.lang.String COLUMN_DOCUMENT_ID = "document_id";
     field public static final java.lang.String COLUMN_FLAGS = "flags";
     field public static final java.lang.String COLUMN_ICON = "icon";
@@ -40090,6 +40091,7 @@
     method public int describeContents();
     method public static android.util.LocaleList forLanguageTags(java.lang.String);
     method public java.util.Locale get(int);
+    method public static android.util.LocaleList getAdjustedDefault();
     method public static android.util.LocaleList getDefault();
     method public static android.util.LocaleList getEmptyLocaleList();
     method public java.util.Locale getFirstMatch(java.lang.String[]);
diff --git a/api/system-current.txt b/api/system-current.txt
index 8347cd7..e0919d3 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -10186,6 +10186,8 @@
     field public static final int INSTALL_PARSE_FAILED_NO_CERTIFICATES = -103; // 0xffffff99
     field public static final int INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION = -102; // 0xffffff9a
     field public static final int INSTALL_SUCCEEDED = 1; // 0x1
+    field public static final int INTENT_FILTER_VERIFICATION_FAILURE = -1; // 0xffffffff
+    field public static final int INTENT_FILTER_VERIFICATION_SUCCESS = 1; // 0x1
     field public static final int MASK_PERMISSION_FLAGS = 255; // 0xff
     field public static final int MATCH_ALL = 131072; // 0x20000
     field public static final int MATCH_DEFAULT_ONLY = 65536; // 0x10000
@@ -34098,6 +34100,7 @@
 
   public static final class DocumentsContract.Root {
     field public static final java.lang.String COLUMN_AVAILABLE_BYTES = "available_bytes";
+    field public static final java.lang.String COLUMN_CAPACITY_BYTES = "capacity_bytes";
     field public static final java.lang.String COLUMN_DOCUMENT_ID = "document_id";
     field public static final java.lang.String COLUMN_FLAGS = "flags";
     field public static final java.lang.String COLUMN_ICON = "icon";
@@ -42855,6 +42858,7 @@
     method public int describeContents();
     method public static android.util.LocaleList forLanguageTags(java.lang.String);
     method public java.util.Locale get(int);
+    method public static android.util.LocaleList getAdjustedDefault();
     method public static android.util.LocaleList getDefault();
     method public static android.util.LocaleList getEmptyLocaleList();
     method public java.util.Locale getFirstMatch(java.lang.String[]);
diff --git a/api/test-current.txt b/api/test-current.txt
index 98a000e..3addc2d 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -31730,6 +31730,7 @@
 
   public static final class DocumentsContract.Root {
     field public static final java.lang.String COLUMN_AVAILABLE_BYTES = "available_bytes";
+    field public static final java.lang.String COLUMN_CAPACITY_BYTES = "capacity_bytes";
     field public static final java.lang.String COLUMN_DOCUMENT_ID = "document_id";
     field public static final java.lang.String COLUMN_FLAGS = "flags";
     field public static final java.lang.String COLUMN_ICON = "icon";
@@ -40109,6 +40110,7 @@
     method public int describeContents();
     method public static android.util.LocaleList forLanguageTags(java.lang.String);
     method public java.util.Locale get(int);
+    method public static android.util.LocaleList getAdjustedDefault();
     method public static android.util.LocaleList getDefault();
     method public static android.util.LocaleList getEmptyLocaleList();
     method public java.util.Locale getFirstMatch(java.lang.String[]);
diff --git a/cmds/am/src/com/android/commands/am/Am.java b/cmds/am/src/com/android/commands/am/Am.java
index df0e5fc..fea6f0e 100644
--- a/cmds/am/src/com/android/commands/am/Am.java
+++ b/cmds/am/src/com/android/commands/am/Am.java
@@ -606,7 +606,7 @@
                             new File(mProfileFile),
                             ParcelFileDescriptor.MODE_CREATE |
                             ParcelFileDescriptor.MODE_TRUNCATE |
-                            ParcelFileDescriptor.MODE_READ_WRITE);
+                            ParcelFileDescriptor.MODE_WRITE_ONLY);
                 } catch (FileNotFoundException e) {
                     System.err.println("Error: Unable to open file: " + mProfileFile);
                     System.err.println("Consider using a file under /data/local/tmp/");
@@ -903,7 +903,7 @@
             fd = openForSystemServer(file,
                     ParcelFileDescriptor.MODE_CREATE |
                             ParcelFileDescriptor.MODE_TRUNCATE |
-                            ParcelFileDescriptor.MODE_READ_WRITE);
+                            ParcelFileDescriptor.MODE_WRITE_ONLY);
         } catch (FileNotFoundException e) {
             System.err.println("Error: Unable to open file: " + filename);
             System.err.println("Consider using a file under /data/local/tmp/");
@@ -992,7 +992,7 @@
                         new File(profileFile),
                         ParcelFileDescriptor.MODE_CREATE |
                         ParcelFileDescriptor.MODE_TRUNCATE |
-                        ParcelFileDescriptor.MODE_READ_WRITE);
+                        ParcelFileDescriptor.MODE_WRITE_ONLY);
             } catch (FileNotFoundException e) {
                 System.err.println("Error: Unable to open file: " + profileFile);
                 System.err.println("Consider using a file under /data/local/tmp/");
@@ -1052,7 +1052,7 @@
             fd = openForSystemServer(file,
                     ParcelFileDescriptor.MODE_CREATE |
                     ParcelFileDescriptor.MODE_TRUNCATE |
-                    ParcelFileDescriptor.MODE_READ_WRITE);
+                    ParcelFileDescriptor.MODE_WRITE_ONLY);
         } catch (FileNotFoundException e) {
             System.err.println("Error: Unable to open file: " + heapFile);
             System.err.println("Consider using a file under /data/local/tmp/");
diff --git a/core/java/android/animation/AnimatorInflater.java b/core/java/android/animation/AnimatorInflater.java
index 20d71a6..8d03b55 100644
--- a/core/java/android/animation/AnimatorInflater.java
+++ b/core/java/android/animation/AnimatorInflater.java
@@ -108,7 +108,7 @@
             float pathErrorScale) throws NotFoundException {
         final ConfigurationBoundResourceCache<Animator> animatorCache = resources
                 .getAnimatorCache();
-        Animator animator = animatorCache.getInstance(id, theme);
+        Animator animator = animatorCache.getInstance(id, resources, theme);
         if (animator != null) {
             if (DBG_ANIMATOR_INFLATER) {
                 Log.d(TAG, "loaded animator from cache, " + resources.getResourceName(id));
@@ -157,7 +157,7 @@
         final ConfigurationBoundResourceCache<StateListAnimator> cache = resources
                 .getStateListAnimatorCache();
         final Theme theme = context.getTheme();
-        StateListAnimator animator = cache.getInstance(id, theme);
+        StateListAnimator animator = cache.getInstance(id, resources, theme);
         if (animator != null) {
             return animator;
         }
diff --git a/core/java/android/app/ApplicationPackageManager.java b/core/java/android/app/ApplicationPackageManager.java
index c841111..38f32f7 100644
--- a/core/java/android/app/ApplicationPackageManager.java
+++ b/core/java/android/app/ApplicationPackageManager.java
@@ -1543,9 +1543,9 @@
     }
 
     @Override
-    public void verifyIntentFilter(int id, int verificationCode, List<String> outFailedDomains) {
+    public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) {
         try {
-            mPM.verifyIntentFilter(id, verificationCode, outFailedDomains);
+            mPM.verifyIntentFilter(id, verificationCode, failedDomains);
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
diff --git a/core/java/android/app/ResourcesManager.java b/core/java/android/app/ResourcesManager.java
index a6612f6..bc44553d 100644
--- a/core/java/android/app/ResourcesManager.java
+++ b/core/java/android/app/ResourcesManager.java
@@ -23,6 +23,7 @@
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
+import android.content.res.ResourcesImpl;
 import android.content.res.ResourcesKey;
 import android.hardware.display.DisplayManagerGlobal;
 import android.util.ArrayMap;
@@ -250,7 +251,8 @@
         } else {
             config = getConfiguration();
         }
-        r = new Resources(assets, dm, config, compatInfo, classLoader);
+        r = new Resources(classLoader);
+        r.setImpl(new ResourcesImpl(assets, dm, config, compatInfo));
         if (DEBUG) Slog.i(TAG, "Created app resources " + resDir + " " + r + ": "
                 + r.getConfiguration() + " appScale=" + r.getCompatibilityInfo().applicationScale);
 
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index c1a559e..0dc856c 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -1312,6 +1312,7 @@
      *
      * @hide
      */
+    @SystemApi
     public static final int INTENT_FILTER_VERIFICATION_SUCCESS = 1;
 
     /**
@@ -1321,6 +1322,7 @@
      *
      * @hide
      */
+    @SystemApi
     public static final int INTENT_FILTER_VERIFICATION_FAILURE = -1;
 
     /**
@@ -4731,8 +4733,8 @@
 
     /**
      * Allows a package listening to the
-     * {@link Intent#ACTION_INTENT_FILTER_NEEDS_VERIFICATION intent filter verification
-     * broadcast} to respond to the package manager. The response must include
+     * {@link Intent#ACTION_INTENT_FILTER_NEEDS_VERIFICATION} intent filter verification
+     * broadcast to respond to the package manager. The response must include
      * the {@code verificationCode} which is one of
      * {@link PackageManager#INTENT_FILTER_VERIFICATION_SUCCESS} or
      * {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}.
@@ -4741,7 +4743,7 @@
      *            {@link PackageManager#EXTRA_VERIFICATION_ID} Intent extra.
      * @param verificationCode either {@link PackageManager#INTENT_FILTER_VERIFICATION_SUCCESS}
      *            or {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}.
-     * @param outFailedDomains a list of failed domains if the verificationCode is
+     * @param failedDomains a list of failed domains if the verificationCode is
      *            {@link PackageManager#INTENT_FILTER_VERIFICATION_FAILURE}, otherwise null;
      * @throws SecurityException if the caller does not have the
      *            INTENT_FILTER_VERIFICATION_AGENT permission.
@@ -4750,7 +4752,7 @@
      */
     @SystemApi
     public abstract void verifyIntentFilter(int verificationId, int verificationCode,
-            List<String> outFailedDomains);
+            List<String> failedDomains);
 
     /**
      * Get the status of a Domain Verification Result for an IntentFilter. This is
diff --git a/core/java/android/content/res/ConfigurationBoundResourceCache.java b/core/java/android/content/res/ConfigurationBoundResourceCache.java
index fecda87..40d2a82 100644
--- a/core/java/android/content/res/ConfigurationBoundResourceCache.java
+++ b/core/java/android/content/res/ConfigurationBoundResourceCache.java
@@ -23,29 +23,19 @@
  * @hide For internal use only.
  */
 public class ConfigurationBoundResourceCache<T> extends ThemedResourceCache<ConstantState<T>> {
-    private final Resources mResources;
-
-    /**
-     * Creates a cache for the given Resources instance.
-     *
-     * @param resources the resources to use when creating new instances
-     */
-    public ConfigurationBoundResourceCache(Resources resources) {
-        mResources = resources;
-    }
-
     /**
      * If the resource is cached, creates and returns a new instance of it.
      *
      * @param key a key that uniquely identifies the drawable resource
+     * @param resources a Resources object from which to create new instances.
      * @param theme the theme where the resource will be used
      * @return a new instance of the resource, or {@code null} if not in
      *         the cache
      */
-    public T getInstance(long key, Resources.Theme theme) {
+    public T getInstance(long key, Resources resources, Resources.Theme theme) {
         final ConstantState<T> entry = get(key, theme);
         if (entry != null) {
-            return entry.newInstance(mResources, theme);
+            return entry.newInstance(resources, theme);
         }
 
         return null;
diff --git a/core/java/android/content/res/DrawableCache.java b/core/java/android/content/res/DrawableCache.java
index ba00134..7b27fac 100644
--- a/core/java/android/content/res/DrawableCache.java
+++ b/core/java/android/content/res/DrawableCache.java
@@ -22,29 +22,19 @@
  * Class which can be used to cache Drawable resources against a theme.
  */
 class DrawableCache extends ThemedResourceCache<Drawable.ConstantState> {
-    private final Resources mResources;
-
-    /**
-     * Creates a cache for the given Resources instance.
-     *
-     * @param resources the resources to use when creating new instances
-     */
-    public DrawableCache(Resources resources) {
-        mResources = resources;
-    }
-
     /**
      * If the resource is cached, creates and returns a new instance of it.
      *
      * @param key a key that uniquely identifies the drawable resource
+     * @param resources a Resources object from which to create new instances.
      * @param theme the theme where the resource will be used
      * @return a new instance of the resource, or {@code null} if not in
      *         the cache
      */
-    public Drawable getInstance(long key, Resources.Theme theme) {
+    public Drawable getInstance(long key, Resources resources, Resources.Theme theme) {
         final Drawable.ConstantState entry = get(key, theme);
         if (entry != null) {
-            return entry.newDrawable(mResources, theme);
+            return entry.newDrawable(resources, theme);
         }
 
         return null;
diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java
index a54f40f..f337fe6 100644
--- a/core/java/android/content/res/Resources.java
+++ b/core/java/android/content/res/Resources.java
@@ -40,23 +40,17 @@
 import android.annotation.XmlRes;
 import android.content.pm.ActivityInfo;
 import android.graphics.Movie;
-import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Drawable.ConstantState;
 import android.graphics.drawable.DrawableInflater;
-import android.icu.text.PluralRules;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Trace;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
-import android.util.LocaleList;
 import android.util.Log;
 import android.util.LongSparseArray;
 import android.util.Pools.SynchronizedPool;
-import android.util.Slog;
 import android.util.TypedValue;
-import android.util.Xml;
 import android.view.ViewDebug;
 import android.view.ViewHierarchyEncoder;
 
@@ -68,8 +62,6 @@
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.Arrays;
-import java.util.Locale;
 
 /**
  * Class for accessing an application's resources.  This sits on top of the
@@ -99,51 +91,15 @@
 public class Resources {
     static final String TAG = "Resources";
 
-    private static final boolean DEBUG_LOAD = false;
-    private static final boolean DEBUG_CONFIG = false;
-    private static final boolean TRACE_FOR_PRELOAD = false;
-    private static final boolean TRACE_FOR_MISS_PRELOAD = false;
-
-    private static final int LAYOUT_DIR_CONFIG = ActivityInfo.activityInfoConfigToNative(
-            ActivityInfo.CONFIG_LAYOUT_DIRECTION);
-
-    private static final int ID_OTHER = 0x01000004;
-
     private static final Object sSync = new Object();
 
-    // Information about preloaded resources.  Note that they are not
-    // protected by a lock, because while preloading in zygote we are all
-    // single-threaded, and after that these are immutable.
-    private static final LongSparseArray<ConstantState>[] sPreloadedDrawables;
-    private static final LongSparseArray<ConstantState> sPreloadedColorDrawables
-            = new LongSparseArray<>();
-    private static final LongSparseArray<android.content.res.ConstantState<ComplexColor>>
-            sPreloadedComplexColors = new LongSparseArray<>();
-
-    /** Size of the cyclical cache used to map XML files to blocks. */
-    private static final int XML_BLOCK_CACHE_SIZE = 4;
-
-    // Pool of TypedArrays targeted to this Resources object.
-    final SynchronizedPool<TypedArray> mTypedArrayPool = new SynchronizedPool<>(5);
-
     // Used by BridgeResources in layoutlib
     static Resources mSystem = null;
 
-    private static boolean sPreloaded;
+    private ResourcesImpl mResourcesImpl;
 
-    /** Lock object used to protect access to caches and configuration. */
-    private final Object mAccessLock = new Object();
-
-    // These are protected by mAccessLock.
-    private final Configuration mTmpConfig = new Configuration();
-    private final DrawableCache mDrawableCache = new DrawableCache(this);
-    private final DrawableCache mColorDrawableCache = new DrawableCache(this);
-    private final ConfigurationBoundResourceCache<ComplexColor> mComplexColorCache =
-            new ConfigurationBoundResourceCache<>(this);
-    private final ConfigurationBoundResourceCache<Animator> mAnimatorCache =
-            new ConfigurationBoundResourceCache<>(this);
-    private final ConfigurationBoundResourceCache<StateListAnimator> mStateListAnimatorCache =
-            new ConfigurationBoundResourceCache<>(this);
+    // Pool of TypedArrays targeted to this Resources object.
+    final SynchronizedPool<TypedArray> mTypedArrayPool = new SynchronizedPool<>(5);
 
     /** Used to inflate drawable objects from XML. */
     private DrawableInflater mDrawableInflater;
@@ -154,29 +110,7 @@
     /** Single-item pool used to minimize TypedValue allocations. */
     private TypedValue mTmpValue = new TypedValue();
 
-    private boolean mPreloading;
-
-    // Cyclical cache used for recently-accessed XML files.
-    private int mLastCachedXmlBlockIndex = -1;
-    private final int[] mCachedXmlBlockCookies = new int[XML_BLOCK_CACHE_SIZE];
-    private final String[] mCachedXmlBlockFiles = new String[XML_BLOCK_CACHE_SIZE];
-    private final XmlBlock[] mCachedXmlBlocks = new XmlBlock[XML_BLOCK_CACHE_SIZE];
-
-    final AssetManager mAssets;
     final ClassLoader mClassLoader;
-    final DisplayMetrics mMetrics = new DisplayMetrics();
-
-    private final Configuration mConfiguration = new Configuration();
-
-    private PluralRules mPluralRule;
-
-    private CompatibilityInfo mCompatibilityInfo = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
-
-    static {
-        sPreloadedDrawables = new LongSparseArray[2];
-        sPreloadedDrawables[0] = new LongSparseArray<>();
-        sPreloadedDrawables[1] = new LongSparseArray<>();
-    }
 
     /**
      * Returns the most appropriate default theme for the specified target SDK version.
@@ -219,32 +153,20 @@
     }
 
     /**
-     * @return the inflater used to create drawable objects
-     * @hide Pending API finalization.
+     * Return a global shared Resources object that provides access to only
+     * system resources (no application resources), and is not configured for
+     * the current screen (can not use dimension units, does not change based
+     * on orientation, etc).
      */
-    public final DrawableInflater getDrawableInflater() {
-        if (mDrawableInflater == null) {
-            mDrawableInflater = new DrawableInflater(this, mClassLoader);
+    public static Resources getSystem() {
+        synchronized (sSync) {
+            Resources ret = mSystem;
+            if (ret == null) {
+                ret = new Resources();
+                mSystem = ret;
+            }
+            return ret;
         }
-        return mDrawableInflater;
-    }
-
-    /**
-     * Used by AnimatorInflater.
-     *
-     * @hide
-     */
-    public ConfigurationBoundResourceCache<Animator> getAnimatorCache() {
-        return mAnimatorCache;
-    }
-
-    /**
-     * Used by AnimatorInflater.
-     *
-     * @hide
-     */
-    public ConfigurationBoundResourceCache<StateListAnimator> getStateListAnimatorCache() {
-        return mStateListAnimatorCache;
     }
 
     /**
@@ -275,51 +197,73 @@
      *               selecting/computing resource values (optional).
      */
     public Resources(AssetManager assets, DisplayMetrics metrics, Configuration config) {
-        this(assets, metrics, config, CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null);
+        this(null);
+        mResourcesImpl = new ResourcesImpl(assets, metrics, config,
+                CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO);
     }
 
     /**
      * Creates a new Resources object with CompatibilityInfo.
      *
-     * @param assets Previously created AssetManager.
-     * @param metrics Current display metrics to consider when
-     *                selecting/computing resource values.
-     * @param config Desired device configuration to consider when
-     *               selecting/computing resource values (optional).
-     * @param compatInfo this resource's compatibility info. Must not be null.
      * @param classLoader class loader for the package used to load custom
      *                    resource classes, may be {@code null} to use system
      *                    class loader
      * @hide
      */
-    public Resources(AssetManager assets, DisplayMetrics metrics, Configuration config,
-            CompatibilityInfo compatInfo, @Nullable ClassLoader classLoader) {
-        mAssets = assets;
+    public Resources(@Nullable ClassLoader classLoader) {
         mClassLoader = classLoader == null ? ClassLoader.getSystemClassLoader() : classLoader;
-        mMetrics.setToDefaults();
-        if (compatInfo != null) {
-            mCompatibilityInfo = compatInfo;
-        }
-        updateConfiguration(config, metrics);
-        assets.ensureStringBlocks();
     }
 
     /**
-     * Return a global shared Resources object that provides access to only
-     * system resources (no application resources), and is not configured for
-     * the current screen (can not use dimension units, does not change based
-     * on orientation, etc).
+     * Only for creating the System resources.
      */
-    public static Resources getSystem() {
-        synchronized (sSync) {
-            Resources ret = mSystem;
-            if (ret == null) {
-                ret = new Resources();
-                mSystem = ret;
-            }
+    private Resources() {
+        this(null);
 
-            return ret;
+        final DisplayMetrics metrics = new DisplayMetrics();
+        metrics.setToDefaults();
+
+        final Configuration config = new Configuration();
+        config.setToDefaults();
+
+        mResourcesImpl = new ResourcesImpl(AssetManager.getSystem(), metrics, config,
+                CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO);
+    }
+
+    /**
+     * @hide
+     */
+    public void setImpl(ResourcesImpl impl) {
+        mResourcesImpl = impl;
+    }
+
+    /**
+     * @return the inflater used to create drawable objects
+     * @hide Pending API finalization.
+     */
+    public final DrawableInflater getDrawableInflater() {
+        if (mDrawableInflater == null) {
+            mDrawableInflater = new DrawableInflater(this, mClassLoader);
         }
+        return mDrawableInflater;
+    }
+
+    /**
+     * Used by AnimatorInflater.
+     *
+     * @hide
+     */
+    public ConfigurationBoundResourceCache<Animator> getAnimatorCache() {
+        return mResourcesImpl.getAnimatorCache();
+    }
+
+    /**
+     * Used by AnimatorInflater.
+     *
+     * @hide
+     */
+    public ConfigurationBoundResourceCache<StateListAnimator> getStateListAnimatorCache() {
+        return mResourcesImpl.getStateListAnimatorCache();
     }
 
     /**
@@ -337,8 +281,8 @@
      * @return CharSequence The string data associated with the resource, plus
      *         possibly styled text information.
      */
-    public CharSequence getText(@StringRes int id) throws NotFoundException {
-        CharSequence res = mAssets.getResourceText(id);
+    @NonNull public CharSequence getText(@StringRes int id) throws NotFoundException {
+        CharSequence res = mResourcesImpl.getAssets().getResourceText(id);
         if (res != null) {
             return res;
         }
@@ -366,41 +310,10 @@
      * @return CharSequence The string data associated with the resource, plus
      *         possibly styled text information.
      */
+    @NonNull
     public CharSequence getQuantityText(@PluralsRes int id, int quantity)
             throws NotFoundException {
-        PluralRules rule = getPluralRule();
-        CharSequence res = mAssets.getResourceBagText(id,
-                attrForQuantityCode(rule.select(quantity)));
-        if (res != null) {
-            return res;
-        }
-        res = mAssets.getResourceBagText(id, ID_OTHER);
-        if (res != null) {
-            return res;
-        }
-        throw new NotFoundException("Plural resource ID #0x" + Integer.toHexString(id)
-                + " quantity=" + quantity
-                + " item=" + rule.select(quantity));
-    }
-
-    private PluralRules getPluralRule() {
-        synchronized (sSync) {
-            if (mPluralRule == null) {
-                mPluralRule = PluralRules.forLocale(mConfiguration.getLocales().get(0));
-            }
-            return mPluralRule;
-        }
-    }
-
-    private static int attrForQuantityCode(String quantityCode) {
-        switch (quantityCode) {
-            case PluralRules.KEYWORD_ZERO: return 0x01000005;
-            case PluralRules.KEYWORD_ONE:  return 0x01000006;
-            case PluralRules.KEYWORD_TWO:  return 0x01000007;
-            case PluralRules.KEYWORD_FEW:  return 0x01000008;
-            case PluralRules.KEYWORD_MANY: return 0x01000009;
-            default:                     return ID_OTHER;
-        }
+        return mResourcesImpl.getQuantityText(id, quantity);
     }
 
     /**
@@ -419,12 +332,7 @@
      */
     @NonNull
     public String getString(@StringRes int id) throws NotFoundException {
-        final CharSequence res = getText(id);
-        if (res != null) {
-            return res.toString();
-        }
-        throw new NotFoundException("String resource ID #0x"
-                                    + Integer.toHexString(id));
+        return getText(id).toString();
     }
 
 
@@ -449,7 +357,8 @@
     @NonNull
     public String getString(@StringRes int id, Object... formatArgs) throws NotFoundException {
         final String raw = getString(id);
-        return String.format(mConfiguration.getLocales().get(0), raw, formatArgs);
+        return String.format(mResourcesImpl.getConfiguration().getLocales().get(0), raw,
+                formatArgs);
     }
 
     /**
@@ -477,10 +386,12 @@
      * @return String The string data associated with the resource,
      * stripped of styled text information.
      */
+    @NonNull
     public String getQuantityString(@PluralsRes int id, int quantity, Object... formatArgs)
             throws NotFoundException {
         String raw = getQuantityText(id, quantity).toString();
-        return String.format(mConfiguration.getLocales().get(0), raw, formatArgs);
+        return String.format(mResourcesImpl.getConfiguration().getLocales().get(0), raw,
+                formatArgs);
     }
 
     /**
@@ -503,8 +414,8 @@
      * @return String The string data associated with the resource,
      * stripped of styled text information.
      */
-    public String getQuantityString(@PluralsRes int id, int quantity)
-            throws NotFoundException {
+    @NonNull
+    public String getQuantityString(@PluralsRes int id, int quantity) throws NotFoundException {
         return getQuantityText(id, quantity).toString();
     }
 
@@ -523,7 +434,7 @@
      *         possibly styled text information, or def if id is 0 or not found.
      */
     public CharSequence getText(@StringRes int id, CharSequence def) {
-        CharSequence res = id != 0 ? mAssets.getResourceText(id) : null;
+        CharSequence res = id != 0 ? mResourcesImpl.getAssets().getResourceText(id) : null;
         return res != null ? res : def;
     }
 
@@ -538,13 +449,13 @@
      *
      * @return The styled text array associated with the resource.
      */
+    @NonNull
     public CharSequence[] getTextArray(@ArrayRes int id) throws NotFoundException {
-        CharSequence[] res = mAssets.getResourceTextArray(id);
+        CharSequence[] res = mResourcesImpl.getAssets().getResourceTextArray(id);
         if (res != null) {
             return res;
         }
-        throw new NotFoundException("Text array resource ID #0x"
-                                    + Integer.toHexString(id));
+        throw new NotFoundException("Text array resource ID #0x" + Integer.toHexString(id));
     }
 
     /**
@@ -558,14 +469,14 @@
      *
      * @return The string array associated with the resource.
      */
+    @NonNull
     public String[] getStringArray(@ArrayRes int id)
             throws NotFoundException {
-        String[] res = mAssets.getResourceStringArray(id);
+        String[] res = mResourcesImpl.getAssets().getResourceStringArray(id);
         if (res != null) {
             return res;
         }
-        throw new NotFoundException("String array resource ID #0x"
-                                    + Integer.toHexString(id));
+        throw new NotFoundException("String array resource ID #0x" + Integer.toHexString(id));
     }
 
     /**
@@ -579,13 +490,13 @@
      *
      * @return The int array associated with the resource.
      */
+    @NonNull
     public int[] getIntArray(@ArrayRes int id) throws NotFoundException {
-        int[] res = mAssets.getArrayIntResource(id);
+        int[] res = mResourcesImpl.getAssets().getArrayIntResource(id);
         if (res != null) {
             return res;
         }
-        throw new NotFoundException("Int array resource ID #0x"
-                                    + Integer.toHexString(id));
+        throw new NotFoundException("Int array resource ID #0x" + Integer.toHexString(id));
     }
 
     /**
@@ -601,16 +512,16 @@
      * Be sure to call {@link TypedArray#recycle() TypedArray.recycle()}
      * when done with it.
      */
-    public TypedArray obtainTypedArray(@ArrayRes int id)
-            throws NotFoundException {
-        int len = mAssets.getArraySize(id);
+    @NonNull
+    public TypedArray obtainTypedArray(@ArrayRes int id) throws NotFoundException {
+        final ResourcesImpl impl = mResourcesImpl;
+        int len = impl.getAssets().getArraySize(id);
         if (len < 0) {
-            throw new NotFoundException("Array resource ID #0x"
-                                        + Integer.toHexString(id));
+            throw new NotFoundException("Array resource ID #0x" + Integer.toHexString(id));
         }
         
         TypedArray array = TypedArray.obtain(this, len);
-        array.mLength = mAssets.retrieveArray(id, array.mData);
+        array.mLength = impl.getAssets().retrieveArray(id, array.mData);
         array.mIndices[0] = 0;
         
         return array;
@@ -634,10 +545,12 @@
      * @see #getDimensionPixelSize
      */
     public float getDimension(@DimenRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_DIMENSION) {
-                return TypedValue.complexToDimension(value.data, mMetrics);
+                return TypedValue.complexToDimension(value.data, impl.getDisplayMetrics());
             }
             throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id)
                     + " type #0x" + Integer.toHexString(value.type) + " is not valid");
@@ -666,10 +579,13 @@
      * @see #getDimensionPixelSize
      */
     public int getDimensionPixelOffset(@DimenRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_DIMENSION) {
-                return TypedValue.complexToDimensionPixelOffset(value.data, mMetrics);
+                return TypedValue.complexToDimensionPixelOffset(value.data,
+                        impl.getDisplayMetrics());
             }
             throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id)
                     + " type #0x" + Integer.toHexString(value.type) + " is not valid");
@@ -699,10 +615,12 @@
      * @see #getDimensionPixelOffset
      */
     public int getDimensionPixelSize(@DimenRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_DIMENSION) {
-                return TypedValue.complexToDimensionPixelSize(value.data, mMetrics);
+                return TypedValue.complexToDimensionPixelSize(value.data, impl.getDisplayMetrics());
             }
             throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id)
                     + " type #0x" + Integer.toHexString(value.type) + " is not valid");
@@ -729,8 +647,9 @@
      * @throws NotFoundException Throws NotFoundException if the given ID does not exist.
      */
     public float getFraction(@FractionRes int id, int base, int pbase) {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            mResourcesImpl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_FRACTION) {
                 return TypedValue.complexToFraction(value.data, base, pbase);
             }
@@ -800,9 +719,11 @@
      */
     public Drawable getDrawable(@DrawableRes int id, @Nullable Theme theme)
             throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
-            return loadDrawable(value, id, theme);
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
+            return impl.loadDrawable(this, value, id, theme, true);
         } finally {
             releaseTempTypedValue(value);
         }
@@ -855,14 +776,16 @@
      *             not exist.
      */
     public Drawable getDrawableForDensity(@DrawableRes int id, int density, @Nullable Theme theme) {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
-            getValueForDensity(id, density, value, true);
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValueForDensity(id, density, value, true);
 
             // If the drawable's XML lives in our current density qualifier,
             // it's okay to use a scaled version from the cache. Otherwise, we
             // need to actually load the drawable from XML.
-            final boolean useCache = value.density == mMetrics.densityDpi;
+            final DisplayMetrics metrics = impl.getDisplayMetrics();
+            final boolean useCache = value.density == metrics.densityDpi;
 
             /*
              * Pretend the requested density is actually the display density. If
@@ -873,18 +796,23 @@
              */
             if (value.density > 0 && value.density != TypedValue.DENSITY_NONE) {
                 if (value.density == density) {
-                    value.density = mMetrics.densityDpi;
+                    value.density = metrics.densityDpi;
                 } else {
-                    value.density = (value.density * mMetrics.densityDpi) / density;
+                    value.density = (value.density * metrics.densityDpi) / density;
                 }
             }
-
-            return loadDrawable(value, id, theme, useCache);
+            return impl.loadDrawable(this, value, id, theme, useCache);
         } finally {
             releaseTempTypedValue(value);
         }
     }
 
+    @NonNull
+    Drawable loadDrawable(@NonNull TypedValue value, int id, @Nullable Theme theme)
+            throws NotFoundException {
+        return mResourcesImpl.loadDrawable(this, value, id, theme, true);
+    }
+
     /**
      * Return a movie object associated with the particular resource ID.
      * @param id The desired resource identifier, as generated by the aapt
@@ -894,13 +822,12 @@
      * 
      */
     public Movie getMovie(@RawRes int id) throws NotFoundException {
-        InputStream is = openRawResource(id);
-        Movie movie = Movie.decodeStream(is);
+        final InputStream is = openRawResource(id);
+        final Movie movie = Movie.decodeStream(is);
         try {
             is.close();
-        }
-        catch (java.io.IOException e) {
-            // don't care, since the return value is valid
+        } catch (IOException e) {
+            // No one cares.
         }
         return movie;
     }
@@ -944,8 +871,10 @@
      */
     @ColorInt
     public int getColor(@ColorRes int id, @Nullable Theme theme) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type >= TypedValue.TYPE_FIRST_INT
                     && value.type <= TypedValue.TYPE_LAST_INT) {
                 return value.data;
@@ -954,7 +883,7 @@
                         + " type #0x" + Integer.toHexString(value.type) + " is not valid");
             }
 
-            final ColorStateList csl = loadColorStateList(value, id, theme);
+            final ColorStateList csl = impl.loadColorStateList(this, value, id, theme);
             return csl.getDefaultColor();
         } finally {
             releaseTempTypedValue(value);
@@ -1012,14 +941,27 @@
     @Nullable
     public ColorStateList getColorStateList(@ColorRes int id, @Nullable Theme theme)
             throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
-            return loadColorStateList(value, id, theme);
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
+            return impl.loadColorStateList(this, value, id, theme);
         } finally {
             releaseTempTypedValue(value);
         }
     }
 
+    @Nullable
+    ColorStateList loadColorStateList(@NonNull TypedValue value, int id, @Nullable Theme theme)
+            throws NotFoundException {
+        return mResourcesImpl.loadColorStateList(this, value, id, theme);
+    }
+
+    @Nullable
+    public ComplexColor loadComplexColor(@NonNull TypedValue value, int id, @Nullable Theme theme) {
+        return mResourcesImpl.loadComplexColor(this, value, id, theme);
+    }
+
     /**
      * Return a boolean associated with a particular resource ID.  This can be
      * used with any integral resource value, and will return true if it is
@@ -1034,8 +976,9 @@
      * @return Returns the boolean value contained in the resource.
      */
     public boolean getBoolean(@BoolRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            mResourcesImpl.getValue(id, value, true);
             if (value.type >= TypedValue.TYPE_FIRST_INT
                     && value.type <= TypedValue.TYPE_LAST_INT) {
                 return value.data != 0;
@@ -1059,8 +1002,9 @@
      * @return Returns the integer value contained in the resource.
      */
     public int getInteger(@IntegerRes int id) throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            mResourcesImpl.getValue(id, value, true);
             if (value.type >= TypedValue.TYPE_FIRST_INT
                     && value.type <= TypedValue.TYPE_LAST_INT) {
                 return value.data;
@@ -1086,8 +1030,9 @@
      * @hide Pending API council approval.
      */
     public float getFloat(int id) {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            mResourcesImpl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_FLOAT) {
                 return value.getFloat();
             }
@@ -1195,20 +1140,6 @@
     }
 
     /**
-     * Returns a TypedValue populated with data for the specified resource ID
-     * that's suitable for temporary use. The obtained TypedValue should be
-     * released using {@link #releaseTempTypedValue(TypedValue)}.
-     *
-     * @param id the resource ID for which data should be obtained
-     * @return a populated typed value suitable for temporary use
-     */
-    private TypedValue obtainTempTypedValue(@AnyRes int id) {
-        final TypedValue value = obtainTempTypedValue();
-        getValue(id, value, true);
-        return value;
-    }
-
-    /**
      * Returns a TypedValue suitable for temporary use. The obtained TypedValue
      * should be released using {@link #releaseTempTypedValue(TypedValue)}.
      *
@@ -1257,17 +1188,7 @@
      */
     public InputStream openRawResource(@RawRes int id, TypedValue value)
             throws NotFoundException {
-        getValue(id, value, true);
-
-        try {
-            return mAssets.openNonAsset(value.assetCookie, value.string.toString(),
-                    AssetManager.ACCESS_STREAMING);
-        } catch (Exception e) {
-            NotFoundException rnf = new NotFoundException("File " + value.string.toString() +
-                    " from drawable resource ID #0x" + Integer.toHexString(id));
-            rnf.initCause(e);
-            throw rnf;
-        }
+        return mResourcesImpl.openRawResource(id, value);
     }
 
     /**
@@ -1293,12 +1214,9 @@
      */
     public AssetFileDescriptor openRawResourceFd(@RawRes int id)
             throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
-            return mAssets.openNonAssetFd(value.assetCookie, value.string.toString());
-        } catch (Exception e) {
-            throw new NotFoundException("File " + value.string.toString() + " from drawable "
-                    + "resource ID #0x" + Integer.toHexString(id), e);
+            return mResourcesImpl.openRawResourceFd(id, value);
         } finally {
             releaseTempTypedValue(value);
         }
@@ -1321,12 +1239,7 @@
      */
     public void getValue(@AnyRes int id, TypedValue outValue, boolean resolveRefs)
             throws NotFoundException {
-        boolean found = mAssets.getResourceValue(id, 0, outValue, resolveRefs);
-        if (found) {
-            return;
-        }
-        throw new NotFoundException("Resource ID #0x"
-                                    + Integer.toHexString(id));
+        mResourcesImpl.getValue(id, outValue, resolveRefs);
     }
 
     /**
@@ -1344,11 +1257,7 @@
      */
     public void getValueForDensity(@AnyRes int id, int density, TypedValue outValue,
             boolean resolveRefs) throws NotFoundException {
-        boolean found = mAssets.getResourceValue(id, density, outValue, resolveRefs);
-        if (found) {
-            return;
-        }
-        throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id));
+        mResourcesImpl.getValueForDensity(id, density, outValue, resolveRefs);
     }
 
     /**
@@ -1373,12 +1282,7 @@
      */
     public void getValue(String name, TypedValue outValue, boolean resolveRefs)
             throws NotFoundException {
-        int id = getIdentifier(name, "string", null);
-        if (id != 0) {
-            getValue(id, outValue, resolveRefs);
-            return;
-        }
-        throw new NotFoundException("String resource name " + name);
+        mResourcesImpl.getValue(name, outValue, resolveRefs);
     }
 
     /**
@@ -1397,6 +1301,15 @@
      * retrieve XML attributes with style and theme information applied.
      */
     public final class Theme {
+        private ResourcesImpl.ThemeImpl mThemeImpl;
+
+        private Theme() {
+        }
+
+        void setImpl(ResourcesImpl.ThemeImpl impl) {
+            mThemeImpl = impl;
+        }
+
         /**
          * Place new attribute values into the theme.  The style resource
          * specified by <var>resid</var> will be retrieved from this Theme's
@@ -1415,12 +1328,7 @@
          *              if not already defined in the theme.
          */
         public void applyStyle(int resId, boolean force) {
-            synchronized (mKey) {
-                AssetManager.applyThemeStyle(mTheme, resId, force);
-
-                mThemeResId = resId;
-                mKey.append(resId, force);
-            }
+            mThemeImpl.applyStyle(resId, force);
         }
 
         /**
@@ -1433,14 +1341,7 @@
          * @param other The existing Theme to copy from.
          */
         public void setTo(Theme other) {
-            synchronized (mKey) {
-                synchronized (other.mKey) {
-                    AssetManager.copyTheme(mTheme, other.mTheme);
-
-                    mThemeResId = other.mThemeResId;
-                    mKey.setTo(other.getKey());
-                }
-            }
+            mThemeImpl.setTo(other.mThemeImpl);
         }
 
         /**
@@ -1463,13 +1364,7 @@
          * @see #obtainStyledAttributes(AttributeSet, int[], int, int)
          */
         public TypedArray obtainStyledAttributes(@StyleableRes int[] attrs) {
-            synchronized (mKey) {
-                final int len = attrs.length;
-                final TypedArray array = TypedArray.obtain(Resources.this, len);
-                array.mTheme = this;
-                AssetManager.applyStyle(mTheme, 0, 0, 0, attrs, array.mData, array.mIndices);
-                return array;
-            }
+            return mThemeImpl.obtainStyledAttributes(this, null, attrs, 0, 0);
         }
 
         /**
@@ -1494,13 +1389,7 @@
          */
         public TypedArray obtainStyledAttributes(@StyleRes int resId, @StyleableRes int[] attrs)
                 throws NotFoundException {
-            synchronized (mKey) {
-                final int len = attrs.length;
-                final TypedArray array = TypedArray.obtain(Resources.this, len);
-                array.mTheme = this;
-                AssetManager.applyStyle(mTheme, 0, resId, 0, attrs, array.mData, array.mIndices);
-                return array;
-            }
+            return mThemeImpl.obtainStyledAttributes(this, null, attrs, 0, resId);
         }
 
         /**
@@ -1553,23 +1442,7 @@
          */
         public TypedArray obtainStyledAttributes(AttributeSet set,
                 @StyleableRes int[] attrs, @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
-            synchronized (mKey) {
-                final int len = attrs.length;
-                final TypedArray array = TypedArray.obtain(Resources.this, len);
-
-                // XXX note that for now we only work with compiled XML files.
-                // To support generic XML files we will need to manually parse
-                // out the attributes from the XML file (applying type information
-                // contained in the resources and such).
-                final XmlBlock.Parser parser = (XmlBlock.Parser) set;
-                AssetManager.applyStyle(mTheme, defStyleAttr, defStyleRes,
-                        parser != null ? parser.mParseState : 0,
-                        attrs, array.mData, array.mIndices);
-                array.mTheme = this;
-                array.mXml = parser;
-
-                return array;
-            }
+            return mThemeImpl.obtainStyledAttributes(this, set, attrs, defStyleAttr, defStyleRes);
         }
 
         /**
@@ -1588,20 +1461,7 @@
          */
         @NonNull
         public TypedArray resolveAttributes(@NonNull int[] values, @NonNull int[] attrs) {
-            synchronized (mKey) {
-                final int len = attrs.length;
-                if (values == null || len != values.length) {
-                    throw new IllegalArgumentException(
-                            "Base attribute values must the same length as attrs");
-                }
-
-                final TypedArray array = TypedArray.obtain(Resources.this, len);
-                AssetManager.resolveAttrs(mTheme, 0, 0, values, attrs, array.mData, array.mIndices);
-                array.mTheme = this;
-                array.mXml = null;
-
-                return array;
-            }
+            return mThemeImpl.resolveAttributes(this, values, attrs);
         }
 
         /**
@@ -1622,9 +1482,7 @@
          *         <var>outValue</var> is valid, else false.
          */
         public boolean resolveAttribute(int resid, TypedValue outValue, boolean resolveRefs) {
-            synchronized (mKey) {
-                return mAssets.getThemeValue(mTheme, resid, outValue, resolveRefs);
-            }
+            return mThemeImpl.resolveAttribute(resid, outValue, resolveRefs);
         }
 
         /**
@@ -1634,7 +1492,7 @@
          * @hide
          */
         public int[] getAllAttributes() {
-            return mAssets.getStyleAttributes(getAppliedStyleResId());
+            return mThemeImpl.getAllAttributes();
         }
 
         /**
@@ -1670,11 +1528,7 @@
          * @see ActivityInfo
          */
         public int getChangingConfigurations() {
-            synchronized (mKey) {
-                final int nativeChangingConfig =
-                        AssetManager.getThemeChangingConfigurations(mTheme);
-                return ActivityInfo.activityInfoConfigNativeToJava(nativeChangingConfig);
-            }
+            return mThemeImpl.getChangingConfigurations();
         }
 
         /**
@@ -1685,43 +1539,23 @@
          * @param prefix Text to prefix each line printed.
          */
         public void dump(int priority, String tag, String prefix) {
-            synchronized (mKey) {
-                AssetManager.dumpTheme(mTheme, priority, tag, prefix);
-            }
+            mThemeImpl.dump(priority, tag, prefix);
         }
 
-        @Override
-        protected void finalize() throws Throwable {
-            super.finalize();
-            mAssets.releaseTheme(mTheme);
-        }
-
-        /*package*/ Theme() {
-            mAssets = Resources.this.mAssets;
-            mTheme = mAssets.createTheme();
-        }
-
-        /** Unique key for the series of styles applied to this theme. */
-        private final ThemeKey mKey = new ThemeKey();
-
-        @SuppressWarnings("hiding")
-        private final AssetManager mAssets;
-        private final long mTheme;
-
-        /** Resource identifier for the theme. */
-        private int mThemeResId = 0;
-
         // Needed by layoutlib.
         /*package*/ long getNativeTheme() {
-            return mTheme;
+            return mThemeImpl.getNativeTheme();
         }
 
         /*package*/ int getAppliedStyleResId() {
-            return mThemeResId;
+            return mThemeImpl.getAppliedStyleResId();
         }
 
-        /*package*/ ThemeKey getKey() {
-            return mKey;
+        /**
+         * @hide
+         */
+        public ThemeKey getKey() {
+            return mThemeImpl.getKey();
         }
 
         private String getResourceNameFromHexString(String hexString) {
@@ -1729,7 +1563,7 @@
         }
 
         /**
-         * Parses {@link #mKey} and returns a String array that holds pairs of
+         * Parses {@link #getKey()} and returns a String array that holds pairs of
          * adjacent Theme data: resource name followed by whether or not it was
          * forced, as specified by {@link #applyStyle(int, boolean)}.
          *
@@ -1737,21 +1571,7 @@
          */
         @ViewDebug.ExportedProperty(category = "theme", hasAdjacentMapping = true)
         public String[] getTheme() {
-            synchronized (mKey) {
-                final int N = mKey.mCount;
-                final String[] themes = new String[N * 2];
-                for (int i = 0, j = N - 1; i < themes.length; i += 2, --j) {
-                    final int resId = mKey.mResId[j];
-                    final boolean forced = mKey.mForce[j];
-                    try {
-                        themes[i] = getResourceName(resId);
-                    } catch (NotFoundException e) {
-                        themes[i] = Integer.toHexString(i);
-                    }
-                    themes[i + 1] = forced ? "forced" : "not forced";
-                }
-                return themes;
-            }
+            return mThemeImpl.getTheme();
         }
 
         /** @hide */
@@ -1772,16 +1592,7 @@
          * @hide
          */
         public void rebase() {
-            synchronized (mKey) {
-                AssetManager.clearTheme(mTheme);
-
-                // Reapply the same styles in the same order.
-                for (int i = 0; i < mKey.mCount; i++) {
-                    final int resId = mKey.mResId[i];
-                    final boolean force = mKey.mForce[i];
-                    AssetManager.applyThemeStyle(mTheme, resId, force);
-                }
-            }
+            mThemeImpl.rebase();
         }
     }
 
@@ -1870,7 +1681,9 @@
      * @return Theme The newly created Theme container.
      */
     public final Theme newTheme() {
-        return new Theme();
+        Theme theme = new Theme();
+        theme.setImpl(mResourcesImpl.newThemeImpl());
+        return theme;
     }
 
     /**
@@ -1894,7 +1707,7 @@
         // out the attributes from the XML file (applying type information
         // contained in the resources and such).
         XmlBlock.Parser parser = (XmlBlock.Parser)set;
-        mAssets.retrieveAttributes(parser.mParseState, attrs,
+        mResourcesImpl.getAssets().retrieveAttributes(parser.mParseState, attrs,
                 array.mData, array.mIndices);
 
         array.mXml = parser;
@@ -1905,151 +1718,16 @@
     /**
      * Store the newly updated configuration.
      */
-    public void updateConfiguration(Configuration config,
-            DisplayMetrics metrics) {
+    public void updateConfiguration(Configuration config, DisplayMetrics metrics) {
         updateConfiguration(config, metrics, null);
     }
 
     /**
      * @hide
      */
-    public void updateConfiguration(Configuration config,
-            DisplayMetrics metrics, CompatibilityInfo compat) {
-        synchronized (mAccessLock) {
-            if (false) {
-                Slog.i(TAG, "**** Updating config of " + this + ": old config is "
-                        + mConfiguration + " old compat is " + mCompatibilityInfo);
-                Slog.i(TAG, "**** Updating config of " + this + ": new config is "
-                        + config + " new compat is " + compat);
-            }
-            if (compat != null) {
-                mCompatibilityInfo = compat;
-            }
-            if (metrics != null) {
-                mMetrics.setTo(metrics);
-            }
-            // NOTE: We should re-arrange this code to create a Display
-            // with the CompatibilityInfo that is used everywhere we deal
-            // with the display in relation to this app, rather than
-            // doing the conversion here.  This impl should be okay because
-            // we make sure to return a compatible display in the places
-            // where there are public APIs to retrieve the display...  but
-            // it would be cleaner and more maintainble to just be
-            // consistently dealing with a compatible display everywhere in
-            // the framework.
-            mCompatibilityInfo.applyToDisplayMetrics(mMetrics);
-
-            final int configChanges = calcConfigChanges(config);
-
-            LocaleList locales = mConfiguration.getLocales();
-            if (locales.isEmpty()) {
-                locales = LocaleList.getAdjustedDefault();
-                mConfiguration.setLocales(locales);
-            }
-            if (mConfiguration.densityDpi != Configuration.DENSITY_DPI_UNDEFINED) {
-                mMetrics.densityDpi = mConfiguration.densityDpi;
-                mMetrics.density = mConfiguration.densityDpi * DisplayMetrics.DENSITY_DEFAULT_SCALE;
-            }
-            mMetrics.scaledDensity = mMetrics.density * mConfiguration.fontScale;
-
-            final int width, height;
-            if (mMetrics.widthPixels >= mMetrics.heightPixels) {
-                width = mMetrics.widthPixels;
-                height = mMetrics.heightPixels;
-            } else {
-                //noinspection SuspiciousNameCombination
-                width = mMetrics.heightPixels;
-                //noinspection SuspiciousNameCombination
-                height = mMetrics.widthPixels;
-            }
-
-            final int keyboardHidden;
-            if (mConfiguration.keyboardHidden == Configuration.KEYBOARDHIDDEN_NO
-                    && mConfiguration.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_YES) {
-                keyboardHidden = Configuration.KEYBOARDHIDDEN_SOFT;
-            } else {
-                keyboardHidden = mConfiguration.keyboardHidden;
-            }
-
-            mAssets.setConfiguration(mConfiguration.mcc, mConfiguration.mnc,
-                    adjustLanguageTag(locales.get(0).toLanguageTag()),
-                    mConfiguration.orientation,
-                    mConfiguration.touchscreen,
-                    mConfiguration.densityDpi, mConfiguration.keyboard,
-                    keyboardHidden, mConfiguration.navigation, width, height,
-                    mConfiguration.smallestScreenWidthDp,
-                    mConfiguration.screenWidthDp, mConfiguration.screenHeightDp,
-                    mConfiguration.screenLayout, mConfiguration.uiMode,
-                    Build.VERSION.RESOURCES_SDK_INT);
-
-            if (DEBUG_CONFIG) {
-                Slog.i(TAG, "**** Updating config of " + this + ": final config is "
-                        + mConfiguration + " final compat is " + mCompatibilityInfo);
-            }
-
-            mDrawableCache.onConfigurationChange(configChanges);
-            mColorDrawableCache.onConfigurationChange(configChanges);
-            mComplexColorCache.onConfigurationChange(configChanges);
-            mAnimatorCache.onConfigurationChange(configChanges);
-            mStateListAnimatorCache.onConfigurationChange(configChanges);
-
-            flushLayoutCache();
-        }
-        synchronized (sSync) {
-            if (mPluralRule != null) {
-                mPluralRule = PluralRules.forLocale(mConfiguration.getLocales().get(0));
-            }
-        }
-    }
-
-    /**
-     * Called by ConfigurationBoundResourceCacheTest via reflection.
-     */
-    private int calcConfigChanges(Configuration config) {
-        int configChanges = 0xfffffff;
-        if (config != null) {
-            mTmpConfig.setTo(config);
-            int density = config.densityDpi;
-            if (density == Configuration.DENSITY_DPI_UNDEFINED) {
-                density = mMetrics.noncompatDensityDpi;
-            }
-
-            mCompatibilityInfo.applyToConfiguration(density, mTmpConfig);
-
-            if (mTmpConfig.getLocales().isEmpty()) {
-                mTmpConfig.setLocales(LocaleList.getDefault());
-            }
-            configChanges = mConfiguration.updateFrom(mTmpConfig);
-            configChanges = ActivityInfo.activityInfoConfigToNative(configChanges);
-        }
-        return configChanges;
-    }
-
-    /**
-     * {@code Locale.toLanguageTag} will transform the obsolete (and deprecated)
-     * language codes "in", "ji" and "iw" to "id", "yi" and "he" respectively.
-     *
-     * All released versions of android prior to "L" used the deprecated language
-     * tags, so we will need to support them for backwards compatibility.
-     *
-     * Note that this conversion needs to take place *after* the call to
-     * {@code toLanguageTag} because that will convert all the deprecated codes to
-     * the new ones, even if they're set manually.
-     */
-    private static String adjustLanguageTag(String languageTag) {
-        final int separator = languageTag.indexOf('-');
-        final String language;
-        final String remainder;
-
-        if (separator == -1) {
-            language = languageTag;
-            remainder = "";
-        } else {
-            language = languageTag.substring(0, separator);
-            remainder = languageTag.substring(separator);
-        }
-
-        return Locale.adjustLanguageCode(language) + remainder;
+    public void updateConfiguration(Configuration config, DisplayMetrics metrics,
+                                    CompatibilityInfo compat) {
+        mResourcesImpl.updateConfiguration(config, metrics, compat);
     }
 
     /**
@@ -2074,9 +1752,7 @@
      * @return The resource's current display metrics. 
      */
     public DisplayMetrics getDisplayMetrics() {
-        if (DEBUG_CONFIG) Slog.v(TAG, "Returning DisplayMetrics: " + mMetrics.widthPixels
-                + "x" + mMetrics.heightPixels + " " + mMetrics.density);
-        return mMetrics;
+        return mResourcesImpl.getDisplayMetrics();
     }
 
     /**
@@ -2086,13 +1762,13 @@
      * @return The resource's current configuration. 
      */
     public Configuration getConfiguration() {
-        return mConfiguration;
+        return mResourcesImpl.getConfiguration();
     }
 
     /** @hide */
     public Configuration[] getSizeConfigurations() {
-        return mAssets.getSizeConfigurations();
-    };
+        return mResourcesImpl.getSizeConfigurations();
+    }
 
     /**
      * Return the compatibility mode information for the application.
@@ -2102,7 +1778,7 @@
      * @hide
      */
     public CompatibilityInfo getCompatibilityInfo() {
-        return mCompatibilityInfo;
+        return mResourcesImpl.getCompatibilityInfo();
     }
 
     /**
@@ -2111,8 +1787,7 @@
      */
     public void setCompatibilityInfo(CompatibilityInfo ci) {
         if (ci != null) {
-            mCompatibilityInfo = ci;
-            updateConfiguration(mConfiguration, mMetrics);
+            mResourcesImpl.updateConfiguration(null, null, ci);
         }
     }
     
@@ -2137,15 +1812,7 @@
      *         resource was found.  (0 is not a valid resource ID.)
      */
     public int getIdentifier(String name, String defType, String defPackage) {
-        if (name == null) {
-            throw new NullPointerException("name is null");
-        }
-        try {
-            return Integer.parseInt(name);
-        } catch (Exception e) {
-            // Ignore
-        }
-        return mAssets.getResourceIdentifier(name, defType, defPackage);
+        return mResourcesImpl.getIdentifier(name, defType, defPackage);
     }
 
     /**
@@ -2172,10 +1839,7 @@
      * @see #getResourceEntryName
      */
     public String getResourceName(@AnyRes int resid) throws NotFoundException {
-        String str = mAssets.getResourceName(resid);
-        if (str != null) return str;
-        throw new NotFoundException("Unable to find resource ID #0x"
-                + Integer.toHexString(resid));
+        return mResourcesImpl.getResourceName(resid);
     }
     
     /**
@@ -2191,10 +1855,7 @@
      * @see #getResourceName
      */
     public String getResourcePackageName(@AnyRes int resid) throws NotFoundException {
-        String str = mAssets.getResourcePackageName(resid);
-        if (str != null) return str;
-        throw new NotFoundException("Unable to find resource ID #0x"
-                + Integer.toHexString(resid));
+        return mResourcesImpl.getResourcePackageName(resid);
     }
     
     /**
@@ -2210,10 +1871,7 @@
      * @see #getResourceName
      */
     public String getResourceTypeName(@AnyRes int resid) throws NotFoundException {
-        String str = mAssets.getResourceTypeName(resid);
-        if (str != null) return str;
-        throw new NotFoundException("Unable to find resource ID #0x"
-                + Integer.toHexString(resid));
+        return mResourcesImpl.getResourceTypeName(resid);
     }
     
     /**
@@ -2229,10 +1887,7 @@
      * @see #getResourceName
      */
     public String getResourceEntryName(@AnyRes int resid) throws NotFoundException {
-        String str = mAssets.getResourceEntryName(resid);
-        if (str != null) return str;
-        throw new NotFoundException("Unable to find resource ID #0x"
-                + Integer.toHexString(resid));
+        return mResourcesImpl.getResourceEntryName(resid);
     }
     
     /**
@@ -2335,7 +1990,7 @@
      * Retrieve underlying AssetManager storage for these resources.
      */
     public final AssetManager getAssets() {
-        return mAssets;
+        return mResourcesImpl.getAssets();
     }
 
     /**
@@ -2344,19 +1999,7 @@
      * tools.
      */
     public final void flushLayoutCache() {
-        synchronized (mCachedXmlBlocks) {
-            Arrays.fill(mCachedXmlBlockCookies, 0);
-            Arrays.fill(mCachedXmlBlockFiles, null);
-
-            final XmlBlock[] cachedXmlBlocks = mCachedXmlBlocks;
-            for (int i = 0; i < XML_BLOCK_CACHE_SIZE; i++) {
-                final XmlBlock oldBlock = cachedXmlBlocks[i];
-                if (oldBlock != null) {
-                    oldBlock.close();
-                }
-            }
-            Arrays.fill(cachedXmlBlocks, null);
-        }
+        mResourcesImpl.flushLayoutCache();
     }
 
     /**
@@ -2365,15 +2008,7 @@
      * {@hide}
      */
     public final void startPreloading() {
-        synchronized (sSync) {
-            if (sPreloaded) {
-                throw new IllegalStateException("Resources already preloaded");
-            }
-            sPreloaded = true;
-            mPreloading = true;
-            mConfiguration.densityDpi = DisplayMetrics.DENSITY_DEVICE;
-            updateConfiguration(null, null);
-        }
+        mResourcesImpl.startPreloading();
     }
     
     /**
@@ -2381,441 +2016,14 @@
      * to normal Resources operation.
      */
     public final void finishPreloading() {
-        if (mPreloading) {
-            mPreloading = false;
-            flushLayoutCache();
-        }
+        mResourcesImpl.finishPreloading();
     }
 
     /**
      * @hide
      */
     public LongSparseArray<ConstantState> getPreloadedDrawables() {
-        return sPreloadedDrawables[0];
-    }
-
-    private boolean verifyPreloadConfig(int changingConfigurations, int allowVarying,
-            int resourceId, String name) {
-        // We allow preloading of resources even if they vary by font scale (which
-        // doesn't impact resource selection) or density (which we handle specially by
-        // simply turning off all preloading), as well as any other configs specified
-        // by the caller.
-        if (((changingConfigurations&~(ActivityInfo.CONFIG_FONT_SCALE |
-                ActivityInfo.CONFIG_DENSITY)) & ~allowVarying) != 0) {
-            String resName;
-            try {
-                resName = getResourceName(resourceId);
-            } catch (NotFoundException e) {
-                resName = "?";
-            }
-            // This should never happen in production, so we should log a
-            // warning even if we're not debugging.
-            Log.w(TAG, "Preloaded " + name + " resource #0x"
-                    + Integer.toHexString(resourceId)
-                    + " (" + resName + ") that varies with configuration!!");
-            return false;
-        }
-        if (TRACE_FOR_PRELOAD) {
-            String resName;
-            try {
-                resName = getResourceName(resourceId);
-            } catch (NotFoundException e) {
-                resName = "?";
-            }
-            Log.w(TAG, "Preloading " + name + " resource #0x"
-                    + Integer.toHexString(resourceId)
-                    + " (" + resName + ")");
-        }
-        return true;
-    }
-
-    @Nullable
-    Drawable loadDrawable(TypedValue value, int id, Theme theme) throws NotFoundException {
-        return loadDrawable(value, id, theme, true);
-    }
-
-    @Nullable
-    Drawable loadDrawable(TypedValue value, int id, Theme theme, boolean useCache)
-            throws NotFoundException {
-        try {
-            if (TRACE_FOR_PRELOAD) {
-                // Log only framework resources
-                if ((id >>> 24) == 0x1) {
-                    final String name = getResourceName(id);
-                    if (name != null) {
-                        Log.d("PreloadDrawable", name);
-                    }
-                }
-            }
-
-            final boolean isColorDrawable;
-            final DrawableCache caches;
-            final long key;
-            if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
-                    && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
-                isColorDrawable = true;
-                caches = mColorDrawableCache;
-                key = value.data;
-            } else {
-                isColorDrawable = false;
-                caches = mDrawableCache;
-                key = (((long) value.assetCookie) << 32) | value.data;
-            }
-
-            // First, check whether we have a cached version of this drawable
-            // that was inflated against the specified theme. Skip the cache if
-            // we're currently preloading or we're not using the cache.
-            if (!mPreloading && useCache) {
-                final Drawable cachedDrawable = caches.getInstance(key, theme);
-                if (cachedDrawable != null) {
-                    return cachedDrawable;
-                }
-            }
-
-            // Next, check preloaded drawables. Preloaded drawables may contain
-            // unresolved theme attributes.
-            final ConstantState cs;
-            if (isColorDrawable) {
-                cs = sPreloadedColorDrawables.get(key);
-            } else {
-                cs = sPreloadedDrawables[mConfiguration.getLayoutDirection()].get(key);
-            }
-
-            Drawable dr;
-            if (cs != null) {
-                dr = cs.newDrawable(this);
-            } else if (isColorDrawable) {
-                dr = new ColorDrawable(value.data);
-            } else {
-                dr = loadDrawableForCookie(value, id, null);
-            }
-
-            // Determine if the drawable has unresolved theme attributes. If it
-            // does, we'll need to apply a theme and store it in a theme-specific
-            // cache.
-            final boolean canApplyTheme = dr != null && dr.canApplyTheme();
-            if (canApplyTheme && theme != null) {
-                dr = dr.mutate();
-                dr.applyTheme(theme);
-                dr.clearMutated();
-            }
-
-            // If we were able to obtain a drawable, store it in the appropriate
-            // cache: preload, not themed, null theme, or theme-specific. Don't
-            // pollute the cache with drawables loaded from a foreign density.
-            if (dr != null && useCache) {
-                dr.setChangingConfigurations(value.changingConfigurations);
-                cacheDrawable(value, isColorDrawable, caches, theme, canApplyTheme, key, dr);
-            }
-
-            return dr;
-        } catch (Exception e) {
-            String name;
-            try {
-                name = getResourceName(id);
-            } catch (NotFoundException e2) {
-                name = "(missing name)";
-            }
-
-            // The target drawable might fail to load for any number of
-            // reasons, but we always want to include the resource name.
-            // Since the client already expects this method to throw a
-            // NotFoundException, just throw one of those.
-            final NotFoundException nfe = new NotFoundException("Drawable " + name
-                    + " with resource ID #0x" + Integer.toHexString(id), e);
-            nfe.setStackTrace(new StackTraceElement[0]);
-            throw nfe;
-        }
-    }
-
-    private void cacheDrawable(TypedValue value, boolean isColorDrawable, DrawableCache caches,
-            Theme theme, boolean usesTheme, long key, Drawable dr) {
-        final ConstantState cs = dr.getConstantState();
-        if (cs == null) {
-            return;
-        }
-
-        if (mPreloading) {
-            final int changingConfigs = cs.getChangingConfigurations();
-            if (isColorDrawable) {
-                if (verifyPreloadConfig(changingConfigs, 0, value.resourceId, "drawable")) {
-                    sPreloadedColorDrawables.put(key, cs);
-                }
-            } else {
-                if (verifyPreloadConfig(
-                        changingConfigs, LAYOUT_DIR_CONFIG, value.resourceId, "drawable")) {
-                    if ((changingConfigs & LAYOUT_DIR_CONFIG) == 0) {
-                        // If this resource does not vary based on layout direction,
-                        // we can put it in all of the preload maps.
-                        sPreloadedDrawables[0].put(key, cs);
-                        sPreloadedDrawables[1].put(key, cs);
-                    } else {
-                        // Otherwise, only in the layout dir we loaded it for.
-                        sPreloadedDrawables[mConfiguration.getLayoutDirection()].put(key, cs);
-                    }
-                }
-            }
-        } else {
-            synchronized (mAccessLock) {
-                caches.put(key, theme, cs, usesTheme);
-            }
-        }
-    }
-
-    /**
-     * Loads a drawable from XML or resources stream.
-     */
-    private Drawable loadDrawableForCookie(TypedValue value, int id, Theme theme) {
-        if (value.string == null) {
-            throw new NotFoundException("Resource \"" + getResourceName(id) + "\" ("
-                    + Integer.toHexString(id) + ") is not a Drawable (color or path): " + value);
-        }
-
-        final String file = value.string.toString();
-
-        if (TRACE_FOR_MISS_PRELOAD) {
-            // Log only framework resources
-            if ((id >>> 24) == 0x1) {
-                final String name = getResourceName(id);
-                if (name != null) {
-                    Log.d(TAG, "Loading framework drawable #" + Integer.toHexString(id)
-                            + ": " + name + " at " + file);
-                }
-            }
-        }
-
-        if (DEBUG_LOAD) {
-            Log.v(TAG, "Loading drawable for cookie " + value.assetCookie + ": " + file);
-        }
-
-        final Drawable dr;
-
-        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
-        try {
-            if (file.endsWith(".xml")) {
-                final XmlResourceParser rp = loadXmlResourceParser(
-                        file, id, value.assetCookie, "drawable");
-                dr = Drawable.createFromXml(this, rp, theme);
-                rp.close();
-            } else {
-                final InputStream is = mAssets.openNonAsset(
-                        value.assetCookie, file, AssetManager.ACCESS_STREAMING);
-                dr = Drawable.createFromResourceStream(this, value, is, file, null);
-                is.close();
-            }
-        } catch (Exception e) {
-            Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-            final NotFoundException rnf = new NotFoundException(
-                    "File " + file + " from drawable resource ID #0x" + Integer.toHexString(id));
-            rnf.initCause(e);
-            throw rnf;
-        }
-        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-
-        return dr;
-    }
-
-    /**
-     * Given the value and id, we can get the XML filename as in value.data, based on that, we
-     * first try to load CSL from the cache. If not found, try to get from the constant state.
-     * Last, parse the XML and generate the CSL.
-     */
-    private ComplexColor loadComplexColorFromName(Theme theme, TypedValue value, int id) {
-        final long key = (((long) value.assetCookie) << 32) | value.data;
-        final ConfigurationBoundResourceCache<ComplexColor> cache = mComplexColorCache;
-        ComplexColor complexColor = cache.getInstance(key, theme);
-        if (complexColor != null) {
-            return complexColor;
-        }
-
-        final android.content.res.ConstantState<ComplexColor> factory =
-                sPreloadedComplexColors.get(key);
-
-        if (factory != null) {
-            complexColor = factory.newInstance(this, theme);
-        }
-        if (complexColor == null) {
-            complexColor = loadComplexColorForCookie(value, id, theme);
-        }
-
-        if (complexColor != null) {
-            if (mPreloading) {
-                if (verifyPreloadConfig(value.changingConfigurations, 0, value.resourceId,
-                        "color")) {
-                    sPreloadedComplexColors.put(key, complexColor.getConstantState());
-                }
-            } else {
-                cache.put(key, theme, complexColor.getConstantState());
-            }
-        }
-        return complexColor;
-    }
-
-    @Nullable
-    public ComplexColor loadComplexColor(@NonNull TypedValue value, int id, Theme theme) {
-        if (TRACE_FOR_PRELOAD) {
-            // Log only framework resources
-            if ((id >>> 24) == 0x1) {
-                final String name = getResourceName(id);
-                if (name != null) android.util.Log.d("loadComplexColor", name);
-            }
-        }
-
-        final long key = (((long) value.assetCookie) << 32) | value.data;
-
-        // Handle inline color definitions.
-        if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
-                && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
-            return getColorStateListFromInt(value, key);
-        }
-
-        final String file = value.string.toString();
-
-        ComplexColor complexColor;
-        if (file.endsWith(".xml")) {
-            try {
-                complexColor = loadComplexColorFromName(theme, value, id);
-            } catch (Exception e) {
-                final NotFoundException rnf = new NotFoundException(
-                        "File " + file + " from complex color resource ID #0x"
-                                + Integer.toHexString(id));
-                rnf.initCause(e);
-                throw rnf;
-            }
-        } else {
-            throw new NotFoundException(
-                    "File " + file + " from drawable resource ID #0x"
-                            + Integer.toHexString(id) + ": .xml extension required");
-        }
-
-        return complexColor;
-    }
-
-    @Nullable
-    ColorStateList loadColorStateList(TypedValue value, int id, Theme theme)
-            throws NotFoundException {
-        if (TRACE_FOR_PRELOAD) {
-            // Log only framework resources
-            if ((id >>> 24) == 0x1) {
-                final String name = getResourceName(id);
-                if (name != null) android.util.Log.d("PreloadColorStateList", name);
-            }
-        }
-
-        final long key = (((long) value.assetCookie) << 32) | value.data;
-
-        // Handle inline color definitions.
-        if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
-                && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
-            return getColorStateListFromInt(value, key);
-        }
-
-        ComplexColor complexColor = loadComplexColorFromName(theme, value, id);
-        if (complexColor != null && complexColor instanceof ColorStateList) {
-            return (ColorStateList) complexColor;
-        }
-
-        throw new NotFoundException(
-                "Can't find ColorStateList from drawable resource ID #0x"
-                        + Integer.toHexString(id));
-    }
-
-    @NonNull
-    private ColorStateList getColorStateListFromInt(@NonNull  TypedValue value, long key) {
-        ColorStateList csl;
-        final android.content.res.ConstantState<ComplexColor> factory =
-                sPreloadedComplexColors.get(key);
-        if (factory != null) {
-            return (ColorStateList) factory.newInstance();
-        }
-
-        csl = ColorStateList.valueOf(value.data);
-
-        if (mPreloading) {
-            if (verifyPreloadConfig(value.changingConfigurations, 0, value.resourceId,
-                    "color")) {
-                sPreloadedComplexColors.put(key, csl.getConstantState());
-            }
-        }
-
-        return csl;
-    }
-
-    /**
-     * Load a ComplexColor based on the XML file content. The result can be a GradientColor or
-     * ColorStateList. Note that pure color will be wrapped into a ColorStateList.
-     *
-     * We deferred the parser creation to this function b/c we need to differentiate b/t gradient
-     * and selector tag.
-     *
-     * @return a ComplexColor (GradientColor or ColorStateList) based on the XML file content.
-     */
-    @Nullable
-    private ComplexColor loadComplexColorForCookie(TypedValue value, int id, Theme theme) {
-        if (value.string == null) {
-            throw new UnsupportedOperationException(
-                    "Can't convert to ComplexColor: type=0x" + value.type);
-        }
-
-        final String file = value.string.toString();
-
-        if (TRACE_FOR_MISS_PRELOAD) {
-            // Log only framework resources
-            if ((id >>> 24) == 0x1) {
-                final String name = getResourceName(id);
-                if (name != null) {
-                    Log.d(TAG, "Loading framework ComplexColor #" + Integer.toHexString(id)
-                            + ": " + name + " at " + file);
-                }
-            }
-        }
-
-        if (DEBUG_LOAD) {
-            Log.v(TAG, "Loading ComplexColor for cookie " + value.assetCookie + ": " + file);
-        }
-
-        ComplexColor complexColor = null;
-
-        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
-        if (file.endsWith(".xml")) {
-            try {
-                final XmlResourceParser parser = loadXmlResourceParser(
-                        file, id, value.assetCookie, "ComplexColor");
-
-                final AttributeSet attrs = Xml.asAttributeSet(parser);
-                int type;
-                while ((type = parser.next()) != XmlPullParser.START_TAG
-                        && type != XmlPullParser.END_DOCUMENT) {
-                    // Seek parser to start tag.
-                }
-                if (type != XmlPullParser.START_TAG) {
-                    throw new XmlPullParserException("No start tag found");
-                }
-
-                final String name = parser.getName();
-                if (name.equals("gradient")) {
-                    complexColor = GradientColor.createFromXmlInner(this, parser, attrs, theme);
-                } else if (name.equals("selector")) {
-                    complexColor = ColorStateList.createFromXmlInner(this, parser, attrs, theme);
-                }
-                parser.close();
-            } catch (Exception e) {
-                Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-                final NotFoundException rnf = new NotFoundException(
-                        "File " + file + " from ComplexColor resource ID #0x"
-                                + Integer.toHexString(id));
-                rnf.initCause(e);
-                throw rnf;
-            }
-        } else {
-            Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-            throw new NotFoundException(
-                    "File " + file + " from drawable resource ID #0x"
-                            + Integer.toHexString(id) + ": .xml extension required");
-        }
-        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
-
-        return complexColor;
+        return mResourcesImpl.getPreloadedDrawables();
     }
 
     /**
@@ -2829,10 +2037,12 @@
     @NonNull
     XmlResourceParser loadXmlResourceParser(@AnyRes int id, @NonNull String type)
             throws NotFoundException {
-        final TypedValue value = obtainTempTypedValue(id);
+        final TypedValue value = obtainTempTypedValue();
         try {
+            final ResourcesImpl impl = mResourcesImpl;
+            impl.getValue(id, value, true);
             if (value.type == TypedValue.TYPE_STRING) {
-                return loadXmlResourceParser(value.string.toString(), id,
+                return impl.loadXmlResourceParser(value.string.toString(), id,
                         value.assetCookie, type);
             }
             throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id)
@@ -2853,49 +2063,9 @@
      * @throws NotFoundException if the file could not be loaded
      */
     @NonNull
-    XmlResourceParser loadXmlResourceParser(@NonNull String file, @AnyRes int id,
-            int assetCookie, @NonNull String type) throws NotFoundException {
-        if (id != 0) {
-            try {
-                synchronized (mCachedXmlBlocks) {
-                    final int[] cachedXmlBlockCookies = mCachedXmlBlockCookies;
-                    final String[] cachedXmlBlockFiles = mCachedXmlBlockFiles;
-                    final XmlBlock[] cachedXmlBlocks = mCachedXmlBlocks;
-                    // First see if this block is in our cache.
-                    final int num = cachedXmlBlockFiles.length;
-                    for (int i = 0; i < num; i++) {
-                        if (cachedXmlBlockCookies[i] == assetCookie && cachedXmlBlockFiles[i] != null
-                                && cachedXmlBlockFiles[i].equals(file)) {
-                            return cachedXmlBlocks[i].newParser();
-                        }
-                    }
-
-                    // Not in the cache, create a new block and put it at
-                    // the next slot in the cache.
-                    final XmlBlock block = mAssets.openXmlBlockAsset(assetCookie, file);
-                    if (block != null) {
-                        final int pos = (mLastCachedXmlBlockIndex + 1) % num;
-                        mLastCachedXmlBlockIndex = pos;
-                        final XmlBlock oldBlock = cachedXmlBlocks[pos];
-                        if (oldBlock != null) {
-                            oldBlock.close();
-                        }
-                        cachedXmlBlockCookies[pos] = assetCookie;
-                        cachedXmlBlockFiles[pos] = file;
-                        cachedXmlBlocks[pos] = block;
-                        return block.newParser();
-                    }
-                }
-            } catch (Exception e) {
-                final NotFoundException rnf = new NotFoundException("File " + file
-                        + " from xml type " + type + " resource ID #0x" + Integer.toHexString(id));
-                rnf.initCause(e);
-                throw rnf;
-            }
-        }
-
-        throw new NotFoundException("File " + file + " from xml type " + type + " resource ID #0x"
-                + Integer.toHexString(id));
+    XmlResourceParser loadXmlResourceParser(String file, int id, int assetCookie,
+                                            String type) throws NotFoundException {
+        return mResourcesImpl.loadXmlResourceParser(file, id, assetCookie, type);
     }
 
     /**
@@ -2911,16 +2081,4 @@
         }
         return theme.obtainStyledAttributes(set, attrs, 0, 0);
     }
-
-    private Resources() {
-        mAssets = AssetManager.getSystem();
-        mClassLoader = ClassLoader.getSystemClassLoader();
-        // NOTE: Intentionally leaving this uninitialized (all values set
-        // to zero), so that anyone who tries to do something that requires
-        // metrics will get a very wrong value.
-        mConfiguration.setToDefaults();
-        mMetrics.setToDefaults();
-        updateConfiguration(null, null);
-        mAssets.ensureStringBlocks();
-    }
 }
diff --git a/core/java/android/content/res/ResourcesImpl.java b/core/java/android/content/res/ResourcesImpl.java
new file mode 100644
index 0000000..2ffd372
--- /dev/null
+++ b/core/java/android/content/res/ResourcesImpl.java
@@ -0,0 +1,1140 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package android.content.res;
+
+import android.animation.Animator;
+import android.animation.StateListAnimator;
+import android.annotation.AnyRes;
+import android.annotation.AttrRes;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.annotation.PluralsRes;
+import android.annotation.RawRes;
+import android.annotation.StyleRes;
+import android.annotation.StyleableRes;
+import android.content.pm.ActivityInfo;
+import android.content.res.Resources.NotFoundException;
+import android.graphics.drawable.ColorDrawable;
+import android.graphics.drawable.Drawable;
+import android.icu.text.PluralRules;
+import android.os.Build;
+import android.os.Trace;
+import android.util.AttributeSet;
+import android.util.DisplayMetrics;
+import android.util.LocaleList;
+import android.util.Log;
+import android.util.LongSparseArray;
+import android.util.Slog;
+import android.util.TypedValue;
+import android.util.Xml;
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.InputStream;
+import java.util.Arrays;
+import java.util.Locale;
+
+/**
+ * @hide
+ */
+public class ResourcesImpl {
+    static final String TAG = "Resources";
+
+    private static final boolean DEBUG_LOAD = false;
+    private static final boolean DEBUG_CONFIG = false;
+    private static final boolean TRACE_FOR_PRELOAD = false;
+    private static final boolean TRACE_FOR_MISS_PRELOAD = false;
+
+    private static final int LAYOUT_DIR_CONFIG = ActivityInfo.activityInfoConfigToNative(
+            ActivityInfo.CONFIG_LAYOUT_DIRECTION);
+
+    private static final int ID_OTHER = 0x01000004;
+
+    private static final Object sSync = new Object();
+
+    private static boolean sPreloaded;
+    private boolean mPreloading;
+
+    // Information about preloaded resources.  Note that they are not
+    // protected by a lock, because while preloading in zygote we are all
+    // single-threaded, and after that these are immutable.
+    private static final LongSparseArray<Drawable.ConstantState>[] sPreloadedDrawables;
+    private static final LongSparseArray<Drawable.ConstantState> sPreloadedColorDrawables
+            = new LongSparseArray<>();
+    private static final LongSparseArray<android.content.res.ConstantState<ComplexColor>>
+            sPreloadedComplexColors = new LongSparseArray<>();
+
+    /** Lock object used to protect access to caches and configuration. */
+    private final Object mAccessLock = new Object();
+
+    // These are protected by mAccessLock.
+    private final Configuration mTmpConfig = new Configuration();
+    private final DrawableCache mDrawableCache = new DrawableCache();
+    private final DrawableCache mColorDrawableCache = new DrawableCache();
+    private final ConfigurationBoundResourceCache<ComplexColor> mComplexColorCache =
+            new ConfigurationBoundResourceCache<>();
+    private final ConfigurationBoundResourceCache<Animator> mAnimatorCache =
+            new ConfigurationBoundResourceCache<>();
+    private final ConfigurationBoundResourceCache<StateListAnimator> mStateListAnimatorCache =
+            new ConfigurationBoundResourceCache<>();
+
+    /** Size of the cyclical cache used to map XML files to blocks. */
+    private static final int XML_BLOCK_CACHE_SIZE = 4;
+
+    // Cyclical cache used for recently-accessed XML files.
+    private int mLastCachedXmlBlockIndex = -1;
+    private final int[] mCachedXmlBlockCookies = new int[XML_BLOCK_CACHE_SIZE];
+    private final String[] mCachedXmlBlockFiles = new String[XML_BLOCK_CACHE_SIZE];
+    private final XmlBlock[] mCachedXmlBlocks = new XmlBlock[XML_BLOCK_CACHE_SIZE];
+
+
+    final AssetManager mAssets;
+    final DisplayMetrics mMetrics = new DisplayMetrics();
+
+    private PluralRules mPluralRule;
+
+    private final Configuration mConfiguration = new Configuration();
+    private CompatibilityInfo mCompatibilityInfo = CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO;
+
+    static {
+        sPreloadedDrawables = new LongSparseArray[2];
+        sPreloadedDrawables[0] = new LongSparseArray<>();
+        sPreloadedDrawables[1] = new LongSparseArray<>();
+    }
+
+    /**
+     * Creates a new ResourcesImpl object with CompatibilityInfo.
+     *
+     * @param assets Previously created AssetManager.
+     * @param metrics Current display metrics to consider when
+     *                selecting/computing resource values.
+     * @param config Desired device configuration to consider when
+     *               selecting/computing resource values (optional).
+     * @param compatInfo this resource's compatibility info. Must not be null.
+     */
+    public ResourcesImpl(AssetManager assets, DisplayMetrics metrics, Configuration config,
+                         CompatibilityInfo compatInfo) {
+        mAssets = assets;
+        mMetrics.setToDefaults();
+        updateConfiguration(config, metrics, compatInfo);
+        mAssets.ensureStringBlocks();
+    }
+
+    AssetManager getAssets() {
+        return mAssets;
+    }
+
+    DisplayMetrics getDisplayMetrics() {
+        if (DEBUG_CONFIG) Slog.v(TAG, "Returning DisplayMetrics: " + mMetrics.widthPixels
+                + "x" + mMetrics.heightPixels + " " + mMetrics.density);
+        return mMetrics;
+    }
+
+    Configuration getConfiguration() {
+        return mConfiguration;
+    }
+
+    Configuration[] getSizeConfigurations() {
+        return mAssets.getSizeConfigurations();
+    }
+
+    CompatibilityInfo getCompatibilityInfo() {
+        return mCompatibilityInfo;
+    }
+
+    private PluralRules getPluralRule() {
+        synchronized (sSync) {
+            if (mPluralRule == null) {
+                mPluralRule = PluralRules.forLocale(mConfiguration.getLocales().get(0));
+            }
+            return mPluralRule;
+        }
+    }
+
+    void getValue(@AnyRes int id, TypedValue outValue, boolean resolveRefs)
+            throws NotFoundException {
+        boolean found = mAssets.getResourceValue(id, 0, outValue, resolveRefs);
+        if (found) {
+            return;
+        }
+        throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id));
+    }
+
+    void getValueForDensity(@AnyRes int id, int density, TypedValue outValue,
+                            boolean resolveRefs) throws NotFoundException {
+        boolean found = mAssets.getResourceValue(id, density, outValue, resolveRefs);
+        if (found) {
+            return;
+        }
+        throw new NotFoundException("Resource ID #0x" + Integer.toHexString(id));
+    }
+
+    void getValue(String name, TypedValue outValue, boolean resolveRefs)
+            throws NotFoundException {
+        int id = getIdentifier(name, "string", null);
+        if (id != 0) {
+            getValue(id, outValue, resolveRefs);
+            return;
+        }
+        throw new NotFoundException("String resource name " + name);
+    }
+
+    int getIdentifier(String name, String defType, String defPackage) {
+        if (name == null) {
+            throw new NullPointerException("name is null");
+        }
+        try {
+            return Integer.parseInt(name);
+        } catch (Exception e) {
+            // Ignore
+        }
+        return mAssets.getResourceIdentifier(name, defType, defPackage);
+    }
+
+    @NonNull
+    String getResourceName(@AnyRes int resid) throws NotFoundException {
+        String str = mAssets.getResourceName(resid);
+        if (str != null) return str;
+        throw new NotFoundException("Unable to find resource ID #0x"
+                + Integer.toHexString(resid));
+    }
+
+    @NonNull
+    String getResourcePackageName(@AnyRes int resid) throws NotFoundException {
+        String str = mAssets.getResourcePackageName(resid);
+        if (str != null) return str;
+        throw new NotFoundException("Unable to find resource ID #0x"
+                + Integer.toHexString(resid));
+    }
+
+    @NonNull
+    String getResourceTypeName(@AnyRes int resid) throws NotFoundException {
+        String str = mAssets.getResourceTypeName(resid);
+        if (str != null) return str;
+        throw new NotFoundException("Unable to find resource ID #0x"
+                + Integer.toHexString(resid));
+    }
+
+    @NonNull
+    String getResourceEntryName(@AnyRes int resid) throws NotFoundException {
+        String str = mAssets.getResourceEntryName(resid);
+        if (str != null) return str;
+        throw new NotFoundException("Unable to find resource ID #0x"
+                + Integer.toHexString(resid));
+    }
+
+    @NonNull
+    CharSequence getQuantityText(@PluralsRes int id, int quantity) throws NotFoundException {
+        PluralRules rule = getPluralRule();
+        CharSequence res = mAssets.getResourceBagText(id,
+                attrForQuantityCode(rule.select(quantity)));
+        if (res != null) {
+            return res;
+        }
+        res = mAssets.getResourceBagText(id, ID_OTHER);
+        if (res != null) {
+            return res;
+        }
+        throw new NotFoundException("Plural resource ID #0x" + Integer.toHexString(id)
+                + " quantity=" + quantity
+                + " item=" + rule.select(quantity));
+    }
+
+    private static int attrForQuantityCode(String quantityCode) {
+        switch (quantityCode) {
+            case PluralRules.KEYWORD_ZERO: return 0x01000005;
+            case PluralRules.KEYWORD_ONE:  return 0x01000006;
+            case PluralRules.KEYWORD_TWO:  return 0x01000007;
+            case PluralRules.KEYWORD_FEW:  return 0x01000008;
+            case PluralRules.KEYWORD_MANY: return 0x01000009;
+            default:                       return ID_OTHER;
+        }
+    }
+
+    @NonNull
+    AssetFileDescriptor openRawResourceFd(@RawRes int id, TypedValue tempValue)
+            throws NotFoundException {
+        getValue(id, tempValue, true);
+        try {
+            return mAssets.openNonAssetFd(tempValue.assetCookie, tempValue.string.toString());
+        } catch (Exception e) {
+            throw new NotFoundException("File " + tempValue.string.toString() + " from drawable "
+                    + "resource ID #0x" + Integer.toHexString(id), e);
+        }
+    }
+
+    @NonNull
+    InputStream openRawResource(@RawRes int id, TypedValue value) throws NotFoundException {
+        getValue(id, value, true);
+        try {
+            return mAssets.openNonAsset(value.assetCookie, value.string.toString(),
+                    AssetManager.ACCESS_STREAMING);
+        } catch (Exception e) {
+            NotFoundException rnf = new NotFoundException("File " + value.string.toString() +
+                    " from drawable resource ID #0x" + Integer.toHexString(id));
+            rnf.initCause(e);
+            throw rnf;
+        }
+    }
+
+    ConfigurationBoundResourceCache<Animator> getAnimatorCache() {
+        return mAnimatorCache;
+    }
+
+    ConfigurationBoundResourceCache<StateListAnimator> getStateListAnimatorCache() {
+        return mStateListAnimatorCache;
+    }
+
+    void updateConfiguration(Configuration config, DisplayMetrics metrics,
+                             CompatibilityInfo compat) {
+        synchronized (mAccessLock) {
+            if (false) {
+                Slog.i(TAG, "**** Updating config of " + this + ": old config is "
+                        + mConfiguration + " old compat is " + mCompatibilityInfo);
+                Slog.i(TAG, "**** Updating config of " + this + ": new config is "
+                        + config + " new compat is " + compat);
+            }
+            if (compat != null) {
+                mCompatibilityInfo = compat;
+            }
+            if (metrics != null) {
+                mMetrics.setTo(metrics);
+            }
+            // NOTE: We should re-arrange this code to create a Display
+            // with the CompatibilityInfo that is used everywhere we deal
+            // with the display in relation to this app, rather than
+            // doing the conversion here.  This impl should be okay because
+            // we make sure to return a compatible display in the places
+            // where there are public APIs to retrieve the display...  but
+            // it would be cleaner and more maintainble to just be
+            // consistently dealing with a compatible display everywhere in
+            // the framework.
+            mCompatibilityInfo.applyToDisplayMetrics(mMetrics);
+
+            final int configChanges = calcConfigChanges(config);
+
+            LocaleList locales = mConfiguration.getLocales();
+            if (locales.isEmpty()) {
+                locales = LocaleList.getAdjustedDefault();
+                mConfiguration.setLocales(locales);
+            }
+            if (mConfiguration.densityDpi != Configuration.DENSITY_DPI_UNDEFINED) {
+                mMetrics.densityDpi = mConfiguration.densityDpi;
+                mMetrics.density = mConfiguration.densityDpi * DisplayMetrics.DENSITY_DEFAULT_SCALE;
+            }
+            mMetrics.scaledDensity = mMetrics.density * mConfiguration.fontScale;
+
+            final int width, height;
+            if (mMetrics.widthPixels >= mMetrics.heightPixels) {
+                width = mMetrics.widthPixels;
+                height = mMetrics.heightPixels;
+            } else {
+                //noinspection SuspiciousNameCombination
+                width = mMetrics.heightPixels;
+                //noinspection SuspiciousNameCombination
+                height = mMetrics.widthPixels;
+            }
+
+            final int keyboardHidden;
+            if (mConfiguration.keyboardHidden == Configuration.KEYBOARDHIDDEN_NO
+                    && mConfiguration.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_YES) {
+                keyboardHidden = Configuration.KEYBOARDHIDDEN_SOFT;
+            } else {
+                keyboardHidden = mConfiguration.keyboardHidden;
+            }
+
+            mAssets.setConfiguration(mConfiguration.mcc, mConfiguration.mnc,
+                    adjustLanguageTag(locales.get(0).toLanguageTag()),
+                    mConfiguration.orientation,
+                    mConfiguration.touchscreen,
+                    mConfiguration.densityDpi, mConfiguration.keyboard,
+                    keyboardHidden, mConfiguration.navigation, width, height,
+                    mConfiguration.smallestScreenWidthDp,
+                    mConfiguration.screenWidthDp, mConfiguration.screenHeightDp,
+                    mConfiguration.screenLayout, mConfiguration.uiMode,
+                    Build.VERSION.RESOURCES_SDK_INT);
+
+            if (DEBUG_CONFIG) {
+                Slog.i(TAG, "**** Updating config of " + this + ": final config is "
+                        + mConfiguration + " final compat is " + mCompatibilityInfo);
+            }
+
+            mDrawableCache.onConfigurationChange(configChanges);
+            mColorDrawableCache.onConfigurationChange(configChanges);
+            mComplexColorCache.onConfigurationChange(configChanges);
+            mAnimatorCache.onConfigurationChange(configChanges);
+            mStateListAnimatorCache.onConfigurationChange(configChanges);
+
+            flushLayoutCache();
+        }
+        synchronized (sSync) {
+            if (mPluralRule != null) {
+                mPluralRule = PluralRules.forLocale(mConfiguration.getLocales().get(0));
+            }
+        }
+    }
+
+    /**
+     * Called by ConfigurationBoundResourceCacheTest via reflection.
+     */
+    private int calcConfigChanges(Configuration config) {
+        int configChanges = 0xfffffff;
+        if (config != null) {
+            mTmpConfig.setTo(config);
+            int density = config.densityDpi;
+            if (density == Configuration.DENSITY_DPI_UNDEFINED) {
+                density = mMetrics.noncompatDensityDpi;
+            }
+
+            mCompatibilityInfo.applyToConfiguration(density, mTmpConfig);
+
+            if (mTmpConfig.getLocales().isEmpty()) {
+                mTmpConfig.setLocales(LocaleList.getDefault());
+            }
+            configChanges = mConfiguration.updateFrom(mTmpConfig);
+            configChanges = ActivityInfo.activityInfoConfigToNative(configChanges);
+        }
+        return configChanges;
+    }
+
+    /**
+     * {@code Locale.toLanguageTag} will transform the obsolete (and deprecated)
+     * language codes "in", "ji" and "iw" to "id", "yi" and "he" respectively.
+     *
+     * All released versions of android prior to "L" used the deprecated language
+     * tags, so we will need to support them for backwards compatibility.
+     *
+     * Note that this conversion needs to take place *after* the call to
+     * {@code toLanguageTag} because that will convert all the deprecated codes to
+     * the new ones, even if they're set manually.
+     */
+    private static String adjustLanguageTag(String languageTag) {
+        final int separator = languageTag.indexOf('-');
+        final String language;
+        final String remainder;
+
+        if (separator == -1) {
+            language = languageTag;
+            remainder = "";
+        } else {
+            language = languageTag.substring(0, separator);
+            remainder = languageTag.substring(separator);
+        }
+
+        return Locale.adjustLanguageCode(language) + remainder;
+    }
+
+    /**
+     * Call this to remove all cached loaded layout resources from the
+     * Resources object.  Only intended for use with performance testing
+     * tools.
+     */
+    public void flushLayoutCache() {
+        synchronized (mCachedXmlBlocks) {
+            Arrays.fill(mCachedXmlBlockCookies, 0);
+            Arrays.fill(mCachedXmlBlockFiles, null);
+
+            final XmlBlock[] cachedXmlBlocks = mCachedXmlBlocks;
+            for (int i = 0; i < XML_BLOCK_CACHE_SIZE; i++) {
+                final XmlBlock oldBlock = cachedXmlBlocks[i];
+                if (oldBlock != null) {
+                    oldBlock.close();
+                }
+            }
+            Arrays.fill(cachedXmlBlocks, null);
+        }
+    }
+
+    @Nullable
+    Drawable loadDrawable(Resources wrapper, TypedValue value, int id, Resources.Theme theme,
+                          boolean useCache) throws NotFoundException {
+        try {
+            if (TRACE_FOR_PRELOAD) {
+                // Log only framework resources
+                if ((id >>> 24) == 0x1) {
+                    final String name = getResourceName(id);
+                    if (name != null) {
+                        Log.d("PreloadDrawable", name);
+                    }
+                }
+            }
+
+            final boolean isColorDrawable;
+            final DrawableCache caches;
+            final long key;
+            if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
+                    && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
+                isColorDrawable = true;
+                caches = mColorDrawableCache;
+                key = value.data;
+            } else {
+                isColorDrawable = false;
+                caches = mDrawableCache;
+                key = (((long) value.assetCookie) << 32) | value.data;
+            }
+
+            // First, check whether we have a cached version of this drawable
+            // that was inflated against the specified theme. Skip the cache if
+            // we're currently preloading or we're not using the cache.
+            if (!mPreloading && useCache) {
+                final Drawable cachedDrawable = caches.getInstance(key, wrapper, theme);
+                if (cachedDrawable != null) {
+                    return cachedDrawable;
+                }
+            }
+
+            // Next, check preloaded drawables. Preloaded drawables may contain
+            // unresolved theme attributes.
+            final Drawable.ConstantState cs;
+            if (isColorDrawable) {
+                cs = sPreloadedColorDrawables.get(key);
+            } else {
+                cs = sPreloadedDrawables[mConfiguration.getLayoutDirection()].get(key);
+            }
+
+            Drawable dr;
+            if (cs != null) {
+                dr = cs.newDrawable(wrapper);
+            } else if (isColorDrawable) {
+                dr = new ColorDrawable(value.data);
+            } else {
+                dr = loadDrawableForCookie(wrapper, value, id, null);
+            }
+
+            // Determine if the drawable has unresolved theme attributes. If it
+            // does, we'll need to apply a theme and store it in a theme-specific
+            // cache.
+            final boolean canApplyTheme = dr != null && dr.canApplyTheme();
+            if (canApplyTheme && theme != null) {
+                dr = dr.mutate();
+                dr.applyTheme(theme);
+                dr.clearMutated();
+            }
+
+            // If we were able to obtain a drawable, store it in the appropriate
+            // cache: preload, not themed, null theme, or theme-specific. Don't
+            // pollute the cache with drawables loaded from a foreign density.
+            if (dr != null && useCache) {
+                dr.setChangingConfigurations(value.changingConfigurations);
+                cacheDrawable(value, isColorDrawable, caches, theme, canApplyTheme, key, dr);
+            }
+
+            return dr;
+        } catch (Exception e) {
+            String name;
+            try {
+                name = getResourceName(id);
+            } catch (NotFoundException e2) {
+                name = "(missing name)";
+            }
+
+            // The target drawable might fail to load for any number of
+            // reasons, but we always want to include the resource name.
+            // Since the client already expects this method to throw a
+            // NotFoundException, just throw one of those.
+            final NotFoundException nfe = new NotFoundException("Drawable " + name
+                    + " with resource ID #0x" + Integer.toHexString(id), e);
+            nfe.setStackTrace(new StackTraceElement[0]);
+            throw nfe;
+        }
+    }
+
+    private void cacheDrawable(TypedValue value, boolean isColorDrawable, DrawableCache caches,
+                               Resources.Theme theme, boolean usesTheme, long key, Drawable dr) {
+        final Drawable.ConstantState cs = dr.getConstantState();
+        if (cs == null) {
+            return;
+        }
+
+        if (mPreloading) {
+            final int changingConfigs = cs.getChangingConfigurations();
+            if (isColorDrawable) {
+                if (verifyPreloadConfig(changingConfigs, 0, value.resourceId, "drawable")) {
+                    sPreloadedColorDrawables.put(key, cs);
+                }
+            } else {
+                if (verifyPreloadConfig(
+                        changingConfigs, LAYOUT_DIR_CONFIG, value.resourceId, "drawable")) {
+                    if ((changingConfigs & LAYOUT_DIR_CONFIG) == 0) {
+                        // If this resource does not vary based on layout direction,
+                        // we can put it in all of the preload maps.
+                        sPreloadedDrawables[0].put(key, cs);
+                        sPreloadedDrawables[1].put(key, cs);
+                    } else {
+                        // Otherwise, only in the layout dir we loaded it for.
+                        sPreloadedDrawables[mConfiguration.getLayoutDirection()].put(key, cs);
+                    }
+                }
+            }
+        } else {
+            synchronized (mAccessLock) {
+                caches.put(key, theme, cs, usesTheme);
+            }
+        }
+    }
+
+    private boolean verifyPreloadConfig(int changingConfigurations, int allowVarying,
+                                        int resourceId, String name) {
+        // We allow preloading of resources even if they vary by font scale (which
+        // doesn't impact resource selection) or density (which we handle specially by
+        // simply turning off all preloading), as well as any other configs specified
+        // by the caller.
+        if (((changingConfigurations&~(ActivityInfo.CONFIG_FONT_SCALE |
+                ActivityInfo.CONFIG_DENSITY)) & ~allowVarying) != 0) {
+            String resName;
+            try {
+                resName = getResourceName(resourceId);
+            } catch (NotFoundException e) {
+                resName = "?";
+            }
+            // This should never happen in production, so we should log a
+            // warning even if we're not debugging.
+            Log.w(TAG, "Preloaded " + name + " resource #0x"
+                    + Integer.toHexString(resourceId)
+                    + " (" + resName + ") that varies with configuration!!");
+            return false;
+        }
+        if (TRACE_FOR_PRELOAD) {
+            String resName;
+            try {
+                resName = getResourceName(resourceId);
+            } catch (NotFoundException e) {
+                resName = "?";
+            }
+            Log.w(TAG, "Preloading " + name + " resource #0x"
+                    + Integer.toHexString(resourceId)
+                    + " (" + resName + ")");
+        }
+        return true;
+    }
+
+    /**
+     * Loads a drawable from XML or resources stream.
+     */
+    private Drawable loadDrawableForCookie(Resources wrapper, TypedValue value, int id,
+                                           Resources.Theme theme) {
+        if (value.string == null) {
+            throw new NotFoundException("Resource \"" + getResourceName(id) + "\" ("
+                    + Integer.toHexString(id) + ") is not a Drawable (color or path): " + value);
+        }
+
+        final String file = value.string.toString();
+
+        if (TRACE_FOR_MISS_PRELOAD) {
+            // Log only framework resources
+            if ((id >>> 24) == 0x1) {
+                final String name = getResourceName(id);
+                if (name != null) {
+                    Log.d(TAG, "Loading framework drawable #" + Integer.toHexString(id)
+                            + ": " + name + " at " + file);
+                }
+            }
+        }
+
+        if (DEBUG_LOAD) {
+            Log.v(TAG, "Loading drawable for cookie " + value.assetCookie + ": " + file);
+        }
+
+        final Drawable dr;
+
+        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
+        try {
+            if (file.endsWith(".xml")) {
+                final XmlResourceParser rp = loadXmlResourceParser(
+                        file, id, value.assetCookie, "drawable");
+                dr = Drawable.createFromXml(wrapper, rp, theme);
+                rp.close();
+            } else {
+                final InputStream is = mAssets.openNonAsset(
+                        value.assetCookie, file, AssetManager.ACCESS_STREAMING);
+                dr = Drawable.createFromResourceStream(wrapper, value, is, file, null);
+                is.close();
+            }
+        } catch (Exception e) {
+            Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+            final NotFoundException rnf = new NotFoundException(
+                    "File " + file + " from drawable resource ID #0x" + Integer.toHexString(id));
+            rnf.initCause(e);
+            throw rnf;
+        }
+        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+
+        return dr;
+    }
+
+    /**
+     * Given the value and id, we can get the XML filename as in value.data, based on that, we
+     * first try to load CSL from the cache. If not found, try to get from the constant state.
+     * Last, parse the XML and generate the CSL.
+     */
+    private ComplexColor loadComplexColorFromName(Resources wrapper, Resources.Theme theme,
+                                                  TypedValue value, int id) {
+        final long key = (((long) value.assetCookie) << 32) | value.data;
+        final ConfigurationBoundResourceCache<ComplexColor> cache = mComplexColorCache;
+        ComplexColor complexColor = cache.getInstance(key, wrapper, theme);
+        if (complexColor != null) {
+            return complexColor;
+        }
+
+        final android.content.res.ConstantState<ComplexColor> factory =
+                sPreloadedComplexColors.get(key);
+
+        if (factory != null) {
+            complexColor = factory.newInstance(wrapper, theme);
+        }
+        if (complexColor == null) {
+            complexColor = loadComplexColorForCookie(wrapper, value, id, theme);
+        }
+
+        if (complexColor != null) {
+            if (mPreloading) {
+                if (verifyPreloadConfig(value.changingConfigurations, 0, value.resourceId,
+                        "color")) {
+                    sPreloadedComplexColors.put(key, complexColor.getConstantState());
+                }
+            } else {
+                cache.put(key, theme, complexColor.getConstantState());
+            }
+        }
+        return complexColor;
+    }
+
+    @Nullable
+    ComplexColor loadComplexColor(Resources wrapper, @NonNull TypedValue value, int id,
+                                  Resources.Theme theme) {
+        if (TRACE_FOR_PRELOAD) {
+            // Log only framework resources
+            if ((id >>> 24) == 0x1) {
+                final String name = getResourceName(id);
+                if (name != null) android.util.Log.d("loadComplexColor", name);
+            }
+        }
+
+        final long key = (((long) value.assetCookie) << 32) | value.data;
+
+        // Handle inline color definitions.
+        if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
+                && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
+            return getColorStateListFromInt(value, key);
+        }
+
+        final String file = value.string.toString();
+
+        ComplexColor complexColor;
+        if (file.endsWith(".xml")) {
+            try {
+                complexColor = loadComplexColorFromName(wrapper, theme, value, id);
+            } catch (Exception e) {
+                final NotFoundException rnf = new NotFoundException(
+                        "File " + file + " from complex color resource ID #0x"
+                                + Integer.toHexString(id));
+                rnf.initCause(e);
+                throw rnf;
+            }
+        } else {
+            throw new NotFoundException(
+                    "File " + file + " from drawable resource ID #0x"
+                            + Integer.toHexString(id) + ": .xml extension required");
+        }
+
+        return complexColor;
+    }
+
+    @Nullable
+    ColorStateList loadColorStateList(Resources wrapper, TypedValue value, int id,
+                                      Resources.Theme theme)
+            throws NotFoundException {
+        if (TRACE_FOR_PRELOAD) {
+            // Log only framework resources
+            if ((id >>> 24) == 0x1) {
+                final String name = getResourceName(id);
+                if (name != null) android.util.Log.d("PreloadColorStateList", name);
+            }
+        }
+
+        final long key = (((long) value.assetCookie) << 32) | value.data;
+
+        // Handle inline color definitions.
+        if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT
+                && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
+            return getColorStateListFromInt(value, key);
+        }
+
+        ComplexColor complexColor = loadComplexColorFromName(wrapper, theme, value, id);
+        if (complexColor != null && complexColor instanceof ColorStateList) {
+            return (ColorStateList) complexColor;
+        }
+
+        throw new NotFoundException(
+                "Can't find ColorStateList from drawable resource ID #0x"
+                        + Integer.toHexString(id));
+    }
+
+    @NonNull
+    private ColorStateList getColorStateListFromInt(@NonNull TypedValue value, long key) {
+        ColorStateList csl;
+        final android.content.res.ConstantState<ComplexColor> factory =
+                sPreloadedComplexColors.get(key);
+        if (factory != null) {
+            return (ColorStateList) factory.newInstance();
+        }
+
+        csl = ColorStateList.valueOf(value.data);
+
+        if (mPreloading) {
+            if (verifyPreloadConfig(value.changingConfigurations, 0, value.resourceId,
+                    "color")) {
+                sPreloadedComplexColors.put(key, csl.getConstantState());
+            }
+        }
+
+        return csl;
+    }
+
+    /**
+     * Load a ComplexColor based on the XML file content. The result can be a GradientColor or
+     * ColorStateList. Note that pure color will be wrapped into a ColorStateList.
+     *
+     * We deferred the parser creation to this function b/c we need to differentiate b/t gradient
+     * and selector tag.
+     *
+     * @return a ComplexColor (GradientColor or ColorStateList) based on the XML file content.
+     */
+    @Nullable
+    private ComplexColor loadComplexColorForCookie(Resources wrapper, TypedValue value, int id,
+                                                   Resources.Theme theme) {
+        if (value.string == null) {
+            throw new UnsupportedOperationException(
+                    "Can't convert to ComplexColor: type=0x" + value.type);
+        }
+
+        final String file = value.string.toString();
+
+        if (TRACE_FOR_MISS_PRELOAD) {
+            // Log only framework resources
+            if ((id >>> 24) == 0x1) {
+                final String name = getResourceName(id);
+                if (name != null) {
+                    Log.d(TAG, "Loading framework ComplexColor #" + Integer.toHexString(id)
+                            + ": " + name + " at " + file);
+                }
+            }
+        }
+
+        if (DEBUG_LOAD) {
+            Log.v(TAG, "Loading ComplexColor for cookie " + value.assetCookie + ": " + file);
+        }
+
+        ComplexColor complexColor = null;
+
+        Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, file);
+        if (file.endsWith(".xml")) {
+            try {
+                final XmlResourceParser parser = loadXmlResourceParser(
+                        file, id, value.assetCookie, "ComplexColor");
+
+                final AttributeSet attrs = Xml.asAttributeSet(parser);
+                int type;
+                while ((type = parser.next()) != XmlPullParser.START_TAG
+                        && type != XmlPullParser.END_DOCUMENT) {
+                    // Seek parser to start tag.
+                }
+                if (type != XmlPullParser.START_TAG) {
+                    throw new XmlPullParserException("No start tag found");
+                }
+
+                final String name = parser.getName();
+                if (name.equals("gradient")) {
+                    complexColor = GradientColor.createFromXmlInner(wrapper, parser, attrs, theme);
+                } else if (name.equals("selector")) {
+                    complexColor = ColorStateList.createFromXmlInner(wrapper, parser, attrs, theme);
+                }
+                parser.close();
+            } catch (Exception e) {
+                Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+                final NotFoundException rnf = new NotFoundException(
+                        "File " + file + " from ComplexColor resource ID #0x"
+                                + Integer.toHexString(id));
+                rnf.initCause(e);
+                throw rnf;
+            }
+        } else {
+            Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+            throw new NotFoundException(
+                    "File " + file + " from drawable resource ID #0x"
+                            + Integer.toHexString(id) + ": .xml extension required");
+        }
+        Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
+
+        return complexColor;
+    }
+
+    /**
+     * Loads an XML parser for the specified file.
+     *
+     * @param file the path for the XML file to parse
+     * @param id the resource identifier for the file
+     * @param assetCookie the asset cookie for the file
+     * @param type the type of resource (used for logging)
+     * @return a parser for the specified XML file
+     * @throws NotFoundException if the file could not be loaded
+     */
+    @NonNull
+    XmlResourceParser loadXmlResourceParser(@NonNull String file, @AnyRes int id,
+                                            int assetCookie, @NonNull String type)
+            throws NotFoundException {
+        if (id != 0) {
+            try {
+                synchronized (mCachedXmlBlocks) {
+                    final int[] cachedXmlBlockCookies = mCachedXmlBlockCookies;
+                    final String[] cachedXmlBlockFiles = mCachedXmlBlockFiles;
+                    final XmlBlock[] cachedXmlBlocks = mCachedXmlBlocks;
+                    // First see if this block is in our cache.
+                    final int num = cachedXmlBlockFiles.length;
+                    for (int i = 0; i < num; i++) {
+                        if (cachedXmlBlockCookies[i] == assetCookie && cachedXmlBlockFiles[i] != null
+                                && cachedXmlBlockFiles[i].equals(file)) {
+                            return cachedXmlBlocks[i].newParser();
+                        }
+                    }
+
+                    // Not in the cache, create a new block and put it at
+                    // the next slot in the cache.
+                    final XmlBlock block = mAssets.openXmlBlockAsset(assetCookie, file);
+                    if (block != null) {
+                        final int pos = (mLastCachedXmlBlockIndex + 1) % num;
+                        mLastCachedXmlBlockIndex = pos;
+                        final XmlBlock oldBlock = cachedXmlBlocks[pos];
+                        if (oldBlock != null) {
+                            oldBlock.close();
+                        }
+                        cachedXmlBlockCookies[pos] = assetCookie;
+                        cachedXmlBlockFiles[pos] = file;
+                        cachedXmlBlocks[pos] = block;
+                        return block.newParser();
+                    }
+                }
+            } catch (Exception e) {
+                final NotFoundException rnf = new NotFoundException("File " + file
+                        + " from xml type " + type + " resource ID #0x" + Integer.toHexString(id));
+                rnf.initCause(e);
+                throw rnf;
+            }
+        }
+
+        throw new NotFoundException("File " + file + " from xml type " + type + " resource ID #0x"
+                + Integer.toHexString(id));
+    }
+
+    /**
+     * Start preloading of resource data using this Resources object.  Only
+     * for use by the zygote process for loading common system resources.
+     * {@hide}
+     */
+    public final void startPreloading() {
+        synchronized (sSync) {
+            if (sPreloaded) {
+                throw new IllegalStateException("Resources already preloaded");
+            }
+            sPreloaded = true;
+            mPreloading = true;
+            mConfiguration.densityDpi = DisplayMetrics.DENSITY_DEVICE;
+            updateConfiguration(null, null, null);
+        }
+    }
+
+    /**
+     * Called by zygote when it is done preloading resources, to change back
+     * to normal Resources operation.
+     */
+    void finishPreloading() {
+        if (mPreloading) {
+            mPreloading = false;
+            flushLayoutCache();
+        }
+    }
+
+    LongSparseArray<Drawable.ConstantState> getPreloadedDrawables() {
+        return sPreloadedDrawables[0];
+    }
+
+    ThemeImpl newThemeImpl() {
+        return new ThemeImpl();
+    }
+
+    public class ThemeImpl {
+        /**
+         * Unique key for the series of styles applied to this theme.
+         */
+        private final Resources.ThemeKey mKey = new Resources.ThemeKey();
+
+        @SuppressWarnings("hiding")
+        private final AssetManager mAssets;
+        private final long mTheme;
+
+        /**
+         * Resource identifier for the theme.
+         */
+        private int mThemeResId = 0;
+
+        /*package*/ ThemeImpl() {
+            mAssets = ResourcesImpl.this.mAssets;
+            mTheme = mAssets.createTheme();
+        }
+
+        @Override
+        protected void finalize() throws Throwable {
+            super.finalize();
+            mAssets.releaseTheme(mTheme);
+        }
+
+        /*package*/ Resources.ThemeKey getKey() {
+            return mKey;
+        }
+
+        /*package*/ long getNativeTheme() {
+            return mTheme;
+        }
+
+        /*package*/ int getAppliedStyleResId() {
+            return mThemeResId;
+        }
+
+        void applyStyle(int resId, boolean force) {
+            synchronized (mKey) {
+                AssetManager.applyThemeStyle(mTheme, resId, force);
+
+                mThemeResId = resId;
+                mKey.append(resId, force);
+            }
+        }
+
+        void setTo(ThemeImpl other) {
+            synchronized (mKey) {
+                synchronized (other.mKey) {
+                    AssetManager.copyTheme(mTheme, other.mTheme);
+
+                    mThemeResId = other.mThemeResId;
+                    mKey.setTo(other.getKey());
+                }
+            }
+        }
+
+        @NonNull
+        TypedArray obtainStyledAttributes(@NonNull Resources.Theme wrapper,
+                                          AttributeSet set,
+                                          @StyleableRes int[] attrs,
+                                          @AttrRes int defStyleAttr,
+                                          @StyleRes int defStyleRes) {
+            synchronized (mKey) {
+                final int len = attrs.length;
+                final TypedArray array = TypedArray.obtain(wrapper.getResources(), len);
+
+                // XXX note that for now we only work with compiled XML files.
+                // To support generic XML files we will need to manually parse
+                // out the attributes from the XML file (applying type information
+                // contained in the resources and such).
+                final XmlBlock.Parser parser = (XmlBlock.Parser) set;
+                AssetManager.applyStyle(mTheme, defStyleAttr, defStyleRes,
+                        parser != null ? parser.mParseState : 0,
+                        attrs, array.mData, array.mIndices);
+                array.mTheme = wrapper;
+                array.mXml = parser;
+
+                return array;
+            }
+        }
+
+        @NonNull
+        TypedArray resolveAttributes(@NonNull Resources.Theme wrapper,
+                                     @NonNull int[] values,
+                                     @NonNull int[] attrs) {
+            synchronized (mKey) {
+                final int len = attrs.length;
+                if (values == null || len != values.length) {
+                    throw new IllegalArgumentException(
+                            "Base attribute values must the same length as attrs");
+                }
+
+                final TypedArray array = TypedArray.obtain(wrapper.getResources(), len);
+                AssetManager.resolveAttrs(mTheme, 0, 0, values, attrs, array.mData, array.mIndices);
+                array.mTheme = wrapper;
+                array.mXml = null;
+                return array;
+            }
+        }
+
+        boolean resolveAttribute(int resid, TypedValue outValue, boolean resolveRefs) {
+            synchronized (mKey) {
+                return mAssets.getThemeValue(mTheme, resid, outValue, resolveRefs);
+            }
+        }
+
+        int[] getAllAttributes() {
+            return mAssets.getStyleAttributes(getAppliedStyleResId());
+        }
+
+        int getChangingConfigurations() {
+            synchronized (mKey) {
+                final int nativeChangingConfig =
+                        AssetManager.getThemeChangingConfigurations(mTheme);
+                return ActivityInfo.activityInfoConfigNativeToJava(nativeChangingConfig);
+            }
+        }
+
+        public void dump(int priority, String tag, String prefix) {
+            synchronized (mKey) {
+                AssetManager.dumpTheme(mTheme, priority, tag, prefix);
+            }
+        }
+
+        String[] getTheme() {
+            synchronized (mKey) {
+                final int N = mKey.mCount;
+                final String[] themes = new String[N * 2];
+                for (int i = 0, j = N - 1; i < themes.length; i += 2, --j) {
+                    final int resId = mKey.mResId[j];
+                    final boolean forced = mKey.mForce[j];
+                    try {
+                        themes[i] = getResourceName(resId);
+                    } catch (NotFoundException e) {
+                        themes[i] = Integer.toHexString(i);
+                    }
+                    themes[i + 1] = forced ? "forced" : "not forced";
+                }
+                return themes;
+            }
+        }
+
+        /**
+         * Rebases the theme against the parent Resource object's current
+         * configuration by re-applying the styles passed to
+         * {@link #applyStyle(int, boolean)}.
+         */
+        void rebase() {
+            synchronized (mKey) {
+                AssetManager.clearTheme(mTheme);
+
+                // Reapply the same styles in the same order.
+                for (int i = 0; i < mKey.mCount; i++) {
+                    final int resId = mKey.mResId[i];
+                    final boolean force = mKey.mForce[i];
+                    AssetManager.applyThemeStyle(mTheme, resId, force);
+                }
+            }
+        }
+    }
+}
diff --git a/core/java/android/content/res/TypedArray.java b/core/java/android/content/res/TypedArray.java
index da49b64..022bdfb 100644
--- a/core/java/android/content/res/TypedArray.java
+++ b/core/java/android/content/res/TypedArray.java
@@ -1206,8 +1206,8 @@
 
     /*package*/ TypedArray(Resources resources, int[] data, int[] indices, int len) {
         mResources = resources;
-        mMetrics = mResources.mMetrics;
-        mAssets = mResources.mAssets;
+        mMetrics = mResources.getDisplayMetrics();
+        mAssets = mResources.getAssets();
         mData = data;
         mIndices = indices;
         mLength = len;
diff --git a/core/java/android/net/NetworkPolicyManager.java b/core/java/android/net/NetworkPolicyManager.java
index 94de933..8738424 100644
--- a/core/java/android/net/NetworkPolicyManager.java
+++ b/core/java/android/net/NetworkPolicyManager.java
@@ -68,10 +68,12 @@
     public static final int FIREWALL_CHAIN_NONE = 0;
     public static final int FIREWALL_CHAIN_DOZABLE = 1;
     public static final int FIREWALL_CHAIN_STANDBY = 2;
+    public static final int FIREWALL_CHAIN_POWERSAVE = 3;
 
     public static final String FIREWALL_CHAIN_NAME_NONE = "none";
     public static final String FIREWALL_CHAIN_NAME_DOZABLE = "dozable";
     public static final String FIREWALL_CHAIN_NAME_STANDBY = "standby";
+    public static final String FIREWALL_CHAIN_NAME_POWERSAVE = "powersave";
 
     private static final boolean ALLOW_PLATFORM_APP_POLICY = true;
 
diff --git a/core/java/android/provider/DocumentsContract.java b/core/java/android/provider/DocumentsContract.java
index 03a1ca6..0065cd9 100644
--- a/core/java/android/provider/DocumentsContract.java
+++ b/core/java/android/provider/DocumentsContract.java
@@ -478,7 +478,6 @@
         /**
          * Capacity of a root in bytes. This column is optional, and may be
          * {@code null} if unknown or unbounded.
-         * {@hide}
          * <p>
          * Type: INTEGER (long)
          */
diff --git a/core/java/android/util/LocaleList.java b/core/java/android/util/LocaleList.java
index fc39004..fa3921c 100644
--- a/core/java/android/util/LocaleList.java
+++ b/core/java/android/util/LocaleList.java
@@ -478,8 +478,6 @@
     /**
      * Returns the default locale list, adjusted by moving the default locale to its first
      * position.
-     *
-     * {@hide}
      */
     @NonNull @Size(min=1)
     public static LocaleList getAdjustedDefault() {
diff --git a/core/java/android/view/IWindowManager.aidl b/core/java/android/view/IWindowManager.aidl
index 9543acf..8048301 100644
--- a/core/java/android/view/IWindowManager.aidl
+++ b/core/java/android/view/IWindowManager.aidl
@@ -167,7 +167,7 @@
             in CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
             int icon, int logo, int windowFlags, IBinder transferFrom, boolean createIfNeeded);
     void setAppVisibility(IBinder token, boolean visible);
-    void notifyAppStopped(IBinder token);
+    void notifyAppStopped(IBinder token, boolean stopped);
     void startAppFreezingScreen(IBinder token, int configChanges);
     void stopAppFreezingScreen(IBinder token, boolean force);
     void removeAppToken(IBinder token);
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 5c06638..a7b12c1 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -215,7 +215,7 @@
 
     boolean mInBatchEditControllers;
     boolean mShowSoftInputOnFocus = true;
-    boolean mPreserveDetachedSelection;
+    private boolean mPreserveDetachedSelection;
     boolean mTemporaryDetach;
 
     boolean mIsBeingLongClicked;
@@ -352,7 +352,6 @@
 
     void replace() {
         int middle = (mTextView.getSelectionStart() + mTextView.getSelectionEnd()) / 2;
-        stopTextActionMode();
         Selection.setSelection((Spannable) mTextView.getText(), middle);
         showSuggestions();
     }
@@ -429,10 +428,8 @@
             mSpellChecker = null;
         }
 
-        mPreserveDetachedSelection = true;
         hideCursorAndSpanControllers();
-        stopTextActionMode();
-        mPreserveDetachedSelection = false;
+        stopTextActionModeWithPreservingSelection();
         mTemporaryDetach = false;
     }
 
@@ -1104,7 +1101,6 @@
                 mInsertionControllerEnabled) {
             final int offset = mTextView.getOffsetForPosition(mLastDownPositionX,
                     mLastDownPositionY);
-            stopTextActionMode();
             Selection.setSelection((Spannable) mTextView.getText(), offset);
             getInsertionController().show();
             mIsInsertionActionModeStartPending = true;
@@ -1208,18 +1204,15 @@
             mTextView.onEndBatchEdit();
 
             if (mTextView.isInExtractedMode()) {
-                // terminateTextSelectionMode removes selection, which we want to keep when
-                // ExtractEditText goes out of focus.
-                final int selStart = mTextView.getSelectionStart();
-                final int selEnd = mTextView.getSelectionEnd();
                 hideCursorAndSpanControllers();
-                stopTextActionMode();
-                Selection.setSelection((Spannable) mTextView.getText(), selStart, selEnd);
+                stopTextActionModeWithPreservingSelection();
             } else {
-                if (mTemporaryDetach) mPreserveDetachedSelection = true;
                 hideCursorAndSpanControllers();
-                stopTextActionMode();
-                if (mTemporaryDetach) mPreserveDetachedSelection = false;
+                if (mTemporaryDetach) {
+                    stopTextActionModeWithPreservingSelection();
+                } else {
+                    stopTextActionMode();
+                }
                 downgradeEasyCorrectionSpans();
             }
             // No need to create the controller
@@ -1290,10 +1283,8 @@
                 makeBlink();
             }
             final InputMethodManager imm = InputMethodManager.peekInstance();
-            final boolean immFullScreen = (imm != null && imm.isFullscreenMode());
-            if (mSelectionModifierCursorController != null && mTextView.hasSelection()
-                    && !immFullScreen && mTextActionMode != null) {
-                mSelectionModifierCursorController.show();
+            if (mTextView.hasSelection() && !extractedTextModeWillBeStarted()) {
+                startSelectionActionMode();
             }
         } else {
             if (mBlink != null) {
@@ -1304,9 +1295,7 @@
             }
             // Order matters! Must be done before onParentLostFocus to rely on isShowingUp
             hideCursorAndSpanControllers();
-            if (mSelectionModifierCursorController != null) {
-                mSelectionModifierCursorController.hide();
-            }
+            stopTextActionModeWithPreservingSelection();
             if (mSuggestionsPopupWindow != null) {
                 mSuggestionsPopupWindow.onParentLostFocus();
             }
@@ -1856,6 +1845,38 @@
         }
     }
 
+    void refreshTextActionMode() {
+        if (extractedTextModeWillBeStarted()) {
+            return;
+        }
+        final boolean hasSelection = mTextView.hasSelection();
+        final SelectionModifierCursorController selectionController = getSelectionController();
+        final InsertionPointCursorController insertionController = getInsertionController();
+        if ((selectionController != null && selectionController.isCursorBeingModified())
+                || (insertionController != null && insertionController.isCursorBeingModified())) {
+            // ActionMode should be managed by the currently active cursor controller.
+            return;
+        }
+        if (hasSelection) {
+            if (mTextActionMode == null || selectionController == null
+                    || !selectionController.isActive()) {
+                // Avoid dismissing the selection if it exists.
+                stopTextActionModeWithPreservingSelection();
+                startSelectionActionMode();
+            } else {
+                mTextActionMode.invalidateContentRect();
+            }
+        } else {
+            // Insertion action mode is started only when insertion controller is explicitly
+            // activated.
+            if (insertionController == null || !insertionController.isActive()) {
+                stopTextActionMode();
+            } else if (mTextActionMode != null) {
+                mTextActionMode.invalidateContentRect();
+            }
+        }
+    }
+
     /**
      * Start an Insertion action mode.
      */
@@ -1879,17 +1900,15 @@
 
     /**
      * Starts a Selection Action Mode with the current selection and ensures the selection handles
-     * are shown if there is a selection, otherwise the insertion handle is shown. This should be
-     * used when the mode is started from a non-touch event.
+     * are shown if there is a selection. This should be used when the mode is started from a
+     * non-touch event.
      *
      * @return true if the selection mode was actually started.
      */
-    boolean startSelectionActionMode() {
+    private boolean startSelectionActionMode() {
         boolean selectionStarted = startSelectionActionModeInternal();
         if (selectionStarted) {
             getSelectionController().show();
-        } else if (getInsertionController() != null) {
-            getInsertionController().show();
         }
         return selectionStarted;
     }
@@ -1907,66 +1926,52 @@
         if (extractedTextModeWillBeStarted()) {
             return false;
         }
-        if (mTextActionMode != null) {
-            mTextActionMode.finish();
-        }
-        if (!checkFieldAndSelectCurrentWord()) {
+        if (!checkField()) {
             return false;
         }
-
-        // Avoid dismissing the selection if it exists.
-        mPreserveDetachedSelection = true;
-        stopTextActionMode();
-        mPreserveDetachedSelection = false;
-
+        if (!mTextView.hasSelection() && !selectCurrentWord()) {
+            // No selection and cannot select a word.
+            return false;
+        }
+        stopTextActionModeWithPreservingSelection();
         getSelectionController().enterDrag(
                 SelectionModifierCursorController.DRAG_ACCELERATOR_MODE_WORD);
         return true;
     }
 
     /**
-     * Checks whether a selection can be performed on the current TextView and if so selects
-     * the current word.
+     * Checks whether a selection can be performed on the current TextView.
      *
-     * @return true if there already was a selection or if the current word was selected.
+     * @return true if a selection can be performed
      */
-    boolean checkFieldAndSelectCurrentWord() {
+    boolean checkField() {
         if (!mTextView.canSelectText() || !mTextView.requestFocus()) {
             Log.w(TextView.LOG_TAG,
                     "TextView does not support text selection. Selection cancelled.");
             return false;
         }
-
-        if (!mTextView.hasSelection()) {
-            // There may already be a selection on device rotation
-            return selectCurrentWord();
-        }
         return true;
     }
 
     private boolean startSelectionActionModeInternal() {
+        if (extractedTextModeWillBeStarted()) {
+            return false;
+        }
         if (mTextActionMode != null) {
             // Text action mode is already started
             mTextActionMode.invalidate();
             return false;
         }
 
-        if (!checkFieldAndSelectCurrentWord()) {
+        if (!checkField() || !mTextView.hasSelection()) {
             return false;
         }
 
-        boolean willExtract = extractedTextModeWillBeStarted();
+        ActionMode.Callback actionModeCallback =
+                new TextActionModeCallback(true /* hasSelection */);
+        mTextActionMode = mTextView.startActionMode(actionModeCallback, ActionMode.TYPE_FLOATING);
 
-        // Do not start the action mode when extracted text will show up full screen, which would
-        // immediately hide the newly created action bar and would be visually distracting.
-        if (!willExtract) {
-            ActionMode.Callback actionModeCallback =
-                    new TextActionModeCallback(true /* hasSelection */);
-            mTextActionMode = mTextView.startActionMode(
-                    actionModeCallback, ActionMode.TYPE_FLOATING);
-        }
-
-        final boolean selectionStarted = mTextActionMode != null || willExtract;
+        final boolean selectionStarted = mTextActionMode != null;
         if (selectionStarted && !mTextView.isTextSelectable() && mShowSoftInputOnFocus) {
             // Show the IME to be able to replace text, except when selecting non editable text.
             final InputMethodManager imm = InputMethodManager.peekInstance();
@@ -2107,6 +2112,12 @@
         }
     }
 
+    private void stopTextActionModeWithPreservingSelection() {
+        mPreserveDetachedSelection = true;
+        stopTextActionMode();
+        mPreserveDetachedSelection = false;
+    }
+
     /**
      * @return True if this view supports insertion handles.
      */
@@ -2436,16 +2447,14 @@
         if (offset == -1) {
             return;
         }
-        mPreserveDetachedSelection = true;
-        stopTextActionMode();
-        mPreserveDetachedSelection = false;
+        stopTextActionModeWithPreservingSelection();
         final boolean isOnSelection = mTextView.hasSelection()
                 && offset >= mTextView.getSelectionStart() && offset <= mTextView.getSelectionEnd();
         if (!isOnSelection) {
             // Right clicked position is not on the selection. Remove the selection and move the
             // cursor to the right clicked position.
-            stopTextActionMode();
             Selection.setSelection((Spannable) mTextView.getText(), offset);
+            stopTextActionMode();
         }
 
         if (shouldOfferToShowSuggestions()) {
@@ -3178,7 +3187,7 @@
                 ((Spannable) mTextView.getText()).removeSpan(mSuggestionRangeSpan);
 
                 mTextView.setCursorVisible(mCursorWasVisibleBeforeSuggestions);
-                if (hasInsertionController()) {
+                if (hasInsertionController() && !extractedTextModeWillBeStarted()) {
                     getInsertionController().show();
                 }
             }
@@ -3328,6 +3337,9 @@
         @Override
         public void show() {
             if (!(mTextView.getText() instanceof Editable)) return;
+            if (extractedTextModeWillBeStarted()) {
+                return;
+            }
 
             if (updateSuggestions()) {
                 mCursorWasVisibleBeforeSuggestions = mCursorVisible;
@@ -3485,7 +3497,6 @@
         public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
             Editable editable = (Editable) mTextView.getText();
             SuggestionInfo suggestionInfo = mSuggestionInfos[position];
-
             final int spanStart = editable.getSpanStart(suggestionInfo.mSuggestionSpan);
             final int spanEnd = editable.getSpanEnd(suggestionInfo.mSuggestionSpan);
             if (spanStart < 0 || spanEnd <= spanStart) {
@@ -4388,7 +4399,7 @@
                         if (distanceSquared < touchSlop * touchSlop) {
                             // Tapping on the handle toggles the insertion action mode.
                             if (mTextActionMode != null) {
-                                mTextActionMode.finish();
+                                stopTextActionMode();
                             } else {
                                 startInsertionActionMode();
                             }
@@ -4805,6 +4816,10 @@
          * preventing the activity from being recycled.
          */
         public void onDetached();
+
+        public boolean isCursorBeingModified();
+
+        public boolean isActive();
     }
 
     private class InsertionPointCursorController implements CursorController {
@@ -4848,6 +4863,16 @@
 
             if (mHandle != null) mHandle.onDetached();
         }
+
+        @Override
+        public boolean isCursorBeingModified() {
+            return mHandle != null && mHandle.isDragging();
+        }
+
+        @Override
+        public boolean isActive() {
+            return mHandle != null && mHandle.isShowing();
+        }
     }
 
     class SelectionModifierCursorController implements CursorController {
@@ -5037,9 +5062,7 @@
 
                         if (mStartOffset != offset) {
                             // Start character based drag accelerator.
-                            if (mTextActionMode != null) {
-                                mTextActionMode.finish();
-                            }
+                            stopTextActionMode();
                             enterDrag(DRAG_ACCELERATOR_MODE_CHARACTER);
                             mDiscardNextActionUp = true;
                             mHaventMovedEnoughToStartDrag = false;
@@ -5113,9 +5136,7 @@
             if (mInsertionActionModeRunnable != null) {
                 mTextView.removeCallbacks(mInsertionActionModeRunnable);
             }
-            if (mTextActionMode != null) {
-                mTextActionMode.finish();
-            }
+            stopTextActionMode();
             if (!selectCurrentParagraph()) {
                 return false;
             }
@@ -5224,6 +5245,12 @@
             mStartOffset = -1;
             mDragAcceleratorMode = DRAG_ACCELERATOR_MODE_INACTIVE;
             mSwitchedLines = false;
+            final int selectionStart = mTextView.getSelectionStart();
+            final int selectionEnd = mTextView.getSelectionEnd();
+            if (selectionStart > selectionEnd) {
+                Selection.setSelection((Spannable) mTextView.getText(),
+                        selectionEnd, selectionStart);
+            }
         }
 
         /**
@@ -5233,6 +5260,12 @@
             return mStartHandle != null && mStartHandle.isDragging();
         }
 
+        @Override
+        public boolean isCursorBeingModified() {
+            return isDragAcceleratorActive() || isSelectionStartDragged()
+                    || (mEndHandle != null && mEndHandle.isDragging());
+        }
+
         /**
          * @return true if the user is selecting text using the drag accelerator.
          */
@@ -5254,6 +5287,11 @@
             if (mStartHandle != null) mStartHandle.onDetached();
             if (mEndHandle != null) mEndHandle.onDetached();
         }
+
+        @Override
+        public boolean isActive() {
+            return mStartHandle != null && mStartHandle.isShowing();
+        }
     }
 
     private class CorrectionHighlighter {
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 18f1ae5..73f8fdc 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -1511,6 +1511,9 @@
                 if (result != null) {
                     if (isTextEditable()) {
                         replaceSelectionWithText(result);
+                        if (mEditor != null) {
+                            mEditor.refreshTextActionMode();
+                        }
                     } else {
                         if (result.length() > 0) {
                             Toast.makeText(getContext(), String.valueOf(result), Toast.LENGTH_LONG)
@@ -1520,12 +1523,7 @@
                 }
             } else if (mText instanceof Spannable) {
                 // Reset the selection.
-                stopTextActionMode();
-                Selection.setSelection((Spannable) mText, getSelectionStart(), getSelectionEnd());
-            }
-
-            if (mEditor.hasSelectionController()) {
-                mEditor.startSelectionActionMode();
+                Selection.setSelection((Spannable) mText, getSelectionEnd());
             }
         }
     }
@@ -5393,11 +5391,7 @@
         // - onFocusChanged cannot start it when focus is given to a view with selected text (after
         //   a screen rotation) since layout is not yet initialized at that point.
         if (mEditor != null && mEditor.mCreatedWithASelection) {
-            if (mEditor.extractedTextModeWillBeStarted()) {
-                mEditor.checkFieldAndSelectCurrentWord();
-            } else {
-                mEditor.startSelectionActionMode();
-            }
+            mEditor.refreshTextActionMode();
             mEditor.mCreatedWithASelection = false;
         }
 
@@ -6594,6 +6588,9 @@
         // in the extracted view.
         mEditor.hideCursorAndSpanControllers();
         stopTextActionMode();
+        if (mEditor.mSelectionModifierCursorController != null) {
+            mEditor.mSelectionModifierCursorController.resetTouchOffsets();
+        }
     }
 
     /**
@@ -8289,6 +8286,9 @@
                 if (newSelEnd < 0) {
                     newSelEnd = Selection.getSelectionEnd(buf);
                 }
+                if (mEditor != null) {
+                    mEditor.refreshTextActionMode();
+                }
                 onSelectionChanged(newSelStart, newSelEnd);
             }
         }
@@ -9199,10 +9199,6 @@
                     }
                     if (start >= 0 && start <= end && end <= text.length()) {
                         Selection.setSelection((Spannable) text, start, end);
-                        // Make sure selection mode is engaged.
-                        if (mEditor != null) {
-                            mEditor.startSelectionActionMode();
-                        }
                         return true;
                     }
                 }
@@ -9393,16 +9389,7 @@
 
         switch (id) {
             case ID_SELECT_ALL:
-                // This starts an action mode if triggered from another action mode. Text is
-                // highlighted, so that it can be bulk edited, like selectAllOnFocus does. Returns
-                // true even if text is empty.
-                boolean shouldRestartActionMode =
-                        mEditor != null && mEditor.mTextActionMode != null;
-                stopTextActionMode();
                 selectAllText();
-                if (shouldRestartActionMode) {
-                    mEditor.startSelectionActionMode();
-                }
                 return true;
 
             case ID_UNDO:
@@ -9428,7 +9415,6 @@
             case ID_CUT:
                 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max)));
                 deleteText_internal(min, max);
-                stopTextActionMode();
                 return true;
 
             case ID_COPY:
@@ -9684,12 +9670,6 @@
     }
 
     boolean selectAllText() {
-        // Need to hide insert point cursor controller before settings selection, otherwise insert
-        // point cursor controller obtains cursor update event and update cursor with cancelling
-        // selection.
-        if (mEditor != null) {
-            mEditor.hideInsertionPointCursorController();
-        }
         final int length = mText.length();
         Selection.setSelection((Spannable) mText, 0, length);
         return length > 0;
@@ -9728,7 +9708,6 @@
                     }
                 }
             }
-            stopTextActionMode();
             sLastCutCopyOrTextChangedTime = 0;
         }
     }
@@ -9741,7 +9720,7 @@
             sharingIntent.removeExtra(android.content.Intent.EXTRA_TEXT);
             sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, selectedText);
             getContext().startActivity(Intent.createChooser(sharingIntent, null));
-            stopTextActionMode();
+            Selection.setSelection((Spannable) mText, getSelectionEnd());
         }
     }
 
@@ -10059,6 +10038,12 @@
                 && getAccessibilitySelectionEnd() == end) {
             return;
         }
+        CharSequence text = getIterableTextForAccessibility();
+        if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) {
+            Selection.setSelection((Spannable) text, start, end);
+        } else {
+            Selection.removeSelection((Spannable) text);
+        }
         // Hide all selection controllers used for adjusting selection
         // since we are doing so explicitlty by other means and these
         // controllers interact with how selection behaves.
@@ -10066,12 +10051,6 @@
             mEditor.hideCursorAndSpanControllers();
             mEditor.stopTextActionMode();
         }
-        CharSequence text = getIterableTextForAccessibility();
-        if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) {
-            Selection.setSelection((Spannable) text, start, end);
-        } else {
-            Selection.removeSelection((Spannable) text);
-        }
     }
 
     /** @hide */
diff --git a/core/java/com/android/internal/widget/ImageFloatingTextView.java b/core/java/com/android/internal/widget/ImageFloatingTextView.java
index c4ed2e1..78c5e34 100644
--- a/core/java/com/android/internal/widget/ImageFloatingTextView.java
+++ b/core/java/com/android/internal/widget/ImageFloatingTextView.java
@@ -65,6 +65,8 @@
                 .setTextDirection(getTextDirectionHeuristic())
                 .setLineSpacing(getLineSpacingExtra(), getLineSpacingMultiplier())
                 .setIncludePad(getIncludeFontPadding())
+                .setEllipsize(shouldEllipsize ? effectiveEllipsize : null)
+                .setEllipsizedWidth(ellipsisWidth)
                 .setBreakStrategy(Layout.BREAK_STRATEGY_HIGH_QUALITY)
                 .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_FULL);
         // we set the endmargin on the first 2 lines. this works just in our case but that's
diff --git a/core/res/res/layout/notification_template_material_big_text.xml b/core/res/res/layout/notification_template_material_big_text.xml
index 9a4b28c..3c59b4e 100644
--- a/core/res/res/layout/notification_template_material_big_text.xml
+++ b/core/res/res/layout/notification_template_material_big_text.xml
@@ -39,7 +39,7 @@
         <com.android.internal.widget.ImageFloatingTextView android:id="@+id/big_text"
             android:layout_width="match_parent"
             android:layout_height="0dp"
-            android:layout_marginTop="1.5dp"
+            android:layout_marginTop="1dp"
             android:paddingBottom="@dimen/notification_content_margin_bottom"
             android:textAppearance="@style/TextAppearance.Material.Notification"
             android:singleLine="false"
diff --git a/core/res/res/layout/notification_template_text.xml b/core/res/res/layout/notification_template_text.xml
index 38470cd..47b30ec 100644
--- a/core/res/res/layout/notification_template_text.xml
+++ b/core/res/res/layout/notification_template_text.xml
@@ -14,12 +14,12 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License
   -->
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+<com.android.internal.widget.ImageFloatingTextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/text"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_gravity="top"
-    android:layout_marginTop="1.5dp"
+    android:layout_marginTop="1dp"
     android:ellipsize="marquee"
     android:fadingEdge="horizontal"
     android:gravity="top"
diff --git a/core/res/res/layout/text_edit_suggestion_container_material.xml b/core/res/res/layout/text_edit_suggestion_container_material.xml
index 15b18dd..d1c65c0 100644
--- a/core/res/res/layout/text_edit_suggestion_container_material.xml
+++ b/core/res/res/layout/text_edit_suggestion_container_material.xml
@@ -33,7 +33,7 @@
             android:id="@+id/suggestionContainer"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:paddingTop="8dp"
+            android:paddingTop="4dp"
             android:paddingBottom="0dp"
             android:divider="@null" />
         <LinearLayout
diff --git a/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java b/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java
index e9fd5fb..5d46489 100644
--- a/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java
+++ b/core/tests/coretests/src/android/content/res/ConfigurationBoundResourceCacheTest.java
@@ -38,7 +38,7 @@
     @Override
     protected void setUp() throws Exception {
         super.setUp();
-        mCache = new ConfigurationBoundResourceCache<Float>(getActivity().getResources());
+        mCache = new ConfigurationBoundResourceCache<>();
     }
 
     public void testGetEmpty() {
diff --git a/include/androidfw/ResourceTypes.h b/include/androidfw/ResourceTypes.h
index 16bea79..f23fceb 100644
--- a/include/androidfw/ResourceTypes.h
+++ b/include/androidfw/ResourceTypes.h
@@ -1151,9 +1151,13 @@
         uint32_t screenConfig2;
     };
 
-    // If true, it means that the script of the locale was explicitly provided.
-    // If false, it means that the script was automatically computed.
-    bool localeScriptWasProvided;
+    // If false and localeScript is set, it means that the script of the locale
+    // was explicitly provided.
+    //
+    // If true, it means that localeScript was automatically computed.
+    // localeScript may still not be set in this case, which means that we
+    // tried but could not compute a script.
+    bool localeScriptWasComputed;
 
     void copyFromDeviceNoSwap(const ResTable_config& o);
     
@@ -1233,7 +1237,7 @@
 
     inline void clearLocale() {
         locale = 0;
-        localeScriptWasProvided = false;
+        localeScriptWasComputed = false;
         memset(localeScript, 0, sizeof(localeScript));
         memset(localeVariant, 0, sizeof(localeVariant));
     }
diff --git a/libs/androidfw/ResourceTypes.cpp b/libs/androidfw/ResourceTypes.cpp
index c73bb584..49b3a51 100644
--- a/libs/androidfw/ResourceTypes.cpp
+++ b/libs/androidfw/ResourceTypes.cpp
@@ -1870,8 +1870,8 @@
 
     // The language & region are equal, so compare the scripts and variants.
     const char emptyScript[sizeof(l.localeScript)] = {'\0', '\0', '\0', '\0'};
-    const char *lScript = l.localeScriptWasProvided ? l.localeScript : emptyScript;
-    const char *rScript = r.localeScriptWasProvided ? r.localeScript : emptyScript;
+    const char *lScript = l.localeScriptWasComputed ? emptyScript : l.localeScript;
+    const char *rScript = r.localeScriptWasComputed ? emptyScript : r.localeScript;
     int script = memcmp(lScript, rScript, sizeof(l.localeScript));
     if (script) {
         return script;
@@ -2016,11 +2016,11 @@
     // scripts since it seems more useful to do so. We will consider
     // "en-US-POSIX" to be more specific than "en-Latn-US".
 
-    const int score = (localeScriptWasProvided ? 1 : 0) +
-        ((localeVariant[0] != 0) ? 2 : 0);
+    const int score = ((localeScript[0] != '\0' && !localeScriptWasComputed) ? 1 : 0) +
+        ((localeVariant[0] != '\0') ? 2 : 0);
 
-    const int oScore = (o.localeScriptWasProvided ? 1 : 0) +
-        ((o.localeVariant[0] != 0) ? 2 : 0);
+    const int oScore = (o.localeScript[0] != '\0' && !o.localeScriptWasComputed ? 1 : 0) +
+        ((o.localeVariant[0] != '\0') ? 2 : 0);
 
     return score - oScore;
 
@@ -2535,7 +2535,8 @@
         if (settings.localeScript[0] == '\0') { // could not determine the request's script
             countriesMustMatch = true;
         } else {
-            if (localeScript[0] == '\0') { // script was not provided, so we try to compute it
+            if (localeScript[0] == '\0' && !localeScriptWasComputed) {
+                // script was not provided or computed, so we try to compute it
                 localeDataComputeScript(computed_script, language, country);
                 if (computed_script[0] == '\0') { // we could not compute the script
                     countriesMustMatch = true;
@@ -2684,8 +2685,8 @@
     if (!language[0]) {
         return;
     }
-
-    if (!localeScriptWasProvided && !localeVariant[0]) {
+    const bool scriptWasProvided = localeScript[0] != '\0' && !localeScriptWasComputed;
+    if (!scriptWasProvided && !localeVariant[0]) {
         // Legacy format.
         if (out.size() > 0) {
             out.append("-");
@@ -2715,7 +2716,7 @@
     size_t len = unpackLanguage(buf);
     out.append(buf, len);
 
-    if (localeScriptWasProvided) {
+    if (scriptWasProvided) {
         out.append("+");
         out.append(localeScript, sizeof(localeScript));
     }
@@ -2746,7 +2747,7 @@
         charsWritten += unpackLanguage(str);
     }
 
-    if (localeScriptWasProvided) {
+    if (localeScript[0] && !localeScriptWasComputed) {
         if (charsWritten) {
             str[charsWritten++] = '-';
         }
@@ -2787,7 +2788,6 @@
                for (size_t i = 1; i < 4; ++i) {
                    config->localeScript[i] = tolower(start[i]);
                }
-               config->localeScriptWasProvided = true;
                break;
            }
        case 5:
@@ -2807,7 +2807,6 @@
 
 void ResTable_config::setBcp47Locale(const char* in) {
     locale = 0;
-    localeScriptWasProvided = false;
     memset(localeScript, 0, sizeof(localeScript));
     memset(localeVariant, 0, sizeof(localeVariant));
 
@@ -2824,9 +2823,10 @@
 
     const size_t size = in + strlen(in) - start;
     assignLocaleComponent(this, start, size);
-    if (localeScript[0] == '\0') {
+    localeScriptWasComputed = (localeScript[0] == '\0');
+    if (localeScriptWasComputed) {
         computeScript();
-    };
+    }
 }
 
 String8 ResTable_config::toString() const {
diff --git a/libs/androidfw/tests/ConfigLocale_test.cpp b/libs/androidfw/tests/ConfigLocale_test.cpp
index 4b8d65c..2bf9b12 100644
--- a/libs/androidfw/tests/ConfigLocale_test.cpp
+++ b/libs/androidfw/tests/ConfigLocale_test.cpp
@@ -125,10 +125,10 @@
 
      if (script != NULL) {
          memcpy(out->localeScript, script, 4);
-         out->localeScriptWasProvided = true;
+         out->localeScriptWasComputed = false;
      } else {
          out->computeScript();
-         out->localeScriptWasProvided = false;
+         out->localeScriptWasComputed = true;
      }
 
      if (variant != NULL) {
@@ -182,7 +182,7 @@
     EXPECT_EQ('n', test.language[1]);
     EXPECT_EQ('U', test.country[0]);
     EXPECT_EQ('S', test.country[1]);
-    EXPECT_FALSE(test.localeScriptWasProvided);
+    EXPECT_TRUE(test.localeScriptWasComputed);
     EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
     EXPECT_EQ(0, test.localeVariant[0]);
 
@@ -203,7 +203,7 @@
     EXPECT_EQ('e', test.language[0]);
     EXPECT_EQ('n', test.language[1]);
     EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
-    EXPECT_TRUE(test.localeScriptWasProvided);
+    EXPECT_FALSE(test.localeScriptWasComputed);
     memset(out, 1, 4);
     test.unpackRegion(out);
     EXPECT_EQ('4', out[0]);
@@ -216,7 +216,7 @@
     EXPECT_EQ('d', out[0]);
     EXPECT_EQ('e', out[1]);
     EXPECT_EQ('\0', out[2]);
-    EXPECT_FALSE(test.localeScriptWasProvided);
+    EXPECT_TRUE(test.localeScriptWasComputed);
     EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
     memset(out, 1, 4);
     test.unpackRegion(out);
@@ -229,7 +229,7 @@
     EXPECT_EQ('d', out[0]);
     EXPECT_EQ('e', out[1]);
     EXPECT_EQ('\0', out[2]);
-    EXPECT_TRUE(test.localeScriptWasProvided);
+    EXPECT_FALSE(test.localeScriptWasComputed);
     EXPECT_EQ(0, memcmp("Latn", test.localeScript, 4));
     memset(out, 1, 4);
     test.unpackRegion(out);
@@ -270,11 +270,11 @@
     fillIn("en", NULL, "Latn", NULL, &config);
 
     char out[RESTABLE_MAX_LOCALE_LEN];
-    config.localeScriptWasProvided = true;
+    config.localeScriptWasComputed = false;
     config.getBcp47Locale(out);
     EXPECT_EQ(0, strcmp("en-Latn", out));
 
-    config.localeScriptWasProvided = false;
+    config.localeScriptWasComputed = true;
     config.getBcp47Locale(out);
     EXPECT_EQ(0, strcmp("en", out));
 }
@@ -379,7 +379,7 @@
 
     // emulate packages built with older AAPT
     memset(supported.localeScript, '\0', 4);
-    supported.localeScriptWasProvided = false;
+    supported.localeScriptWasComputed = false;
 
     EXPECT_TRUE(supported.match(requested));
 }
diff --git a/libs/hwui/RecordingCanvas.cpp b/libs/hwui/RecordingCanvas.cpp
index 9ae2212..ddf0528 100644
--- a/libs/hwui/RecordingCanvas.cpp
+++ b/libs/hwui/RecordingCanvas.cpp
@@ -24,6 +24,14 @@
 namespace android {
 namespace uirenderer {
 
+
+static Rect sUnreasonablyLargeBounds(-10000, -10000, 10000, 10000);
+
+static const Rect& getConservativeOpBounds(const ClipBase* clip) {
+    // if op is clipped, that rect can be used, but otherwise just use a conservatively large rect
+    return clip ? clip->rect : sUnreasonablyLargeBounds;
+}
+
 RecordingCanvas::RecordingCanvas(size_t width, size_t height)
         : mState(*this)
         , mResourceCache(ResourceCache::getInstance()) {
@@ -242,10 +250,8 @@
 
 void RecordingCanvas::drawPaint(const SkPaint& paint) {
     const ClipBase* clip = getRecordedClip();
-    // if there's no current clip, draw a big rect and hope we cover the eventual clip bounds
-    Rect bounds = clip ? clip->rect : Rect(-10000, -10000, 10000, 10000);
     addOp(alloc().create_trivial<RectOp>(
-            bounds,
+            getConservativeOpBounds(clip),
             Matrix4::identity(),
             clip,
             refPaint(&paint)));
@@ -534,10 +540,11 @@
             float hOffset, float vOffset, const SkPaint& paint) {
     if (!glyphs || glyphCount <= 0 || PaintUtils::paintWillNotDrawText(paint)) return;
     glyphs = refBuffer<glyph_t>(glyphs, glyphCount);
+    auto clip = getRecordedClip();
     addOp(alloc().create_trivial<TextOnPathOp>(
-            mState.getLocalClipBounds(), // TODO: explicitly define bounds
+            getConservativeOpBounds(clip), // TODO: explicitly define bounds
             *(mState.currentSnapshot()->transform),
-            getRecordedClip(),
+            clip,
             refPaint(&paint), glyphs, glyphCount, refPath(&path), hOffset, vOffset));
 }
 
@@ -586,10 +593,11 @@
 
 void RecordingCanvas::callDrawGLFunction(Functor* functor) {
     mDisplayList->functors.push_back(functor);
+    auto clip = getRecordedClip();
     addOp(alloc().create_trivial<FunctorOp>(
-            mState.getLocalClipBounds(), // TODO: explicitly define bounds
+            getConservativeOpBounds(clip), // TODO: explicitly define bounds
             *(mState.currentSnapshot()->transform),
-            getRecordedClip(),
+            clip,
             functor));
 }
 
diff --git a/media/java/android/service/media/MediaBrowserService.java b/media/java/android/service/media/MediaBrowserService.java
index b5ea2a0..f593685 100644
--- a/media/java/android/service/media/MediaBrowserService.java
+++ b/media/java/android/service/media/MediaBrowserService.java
@@ -370,15 +370,14 @@
      * called when the loading is complete.
      * </p><p>
      * In case the media item does not have any children, call {@link Result#sendResult}
-     * with an empty list which is not {@code null}. If {@code null} is sent that means
-     * the given {@code parentId} is invalid and {@link MediaBrowser.SubscriptionCallback#onError}
-     * will be called.
+     * with an empty list. When the given {@code parentId} is invalid, implementations must
+     * call {@link Result#sendResult result.sendResult} with {@code null}, which will invoke
+     * {@link MediaBrowser.SubscriptionCallback#onError}.
      * </p>
      *
      * @param parentId The id of the parent media item whose children are to be
      *            queried.
-     * @param result The Result to send the list of children to. Send null if the
-     *            id is invalid.
+     * @param result The Result to send the list of children to.
      */
     public abstract void onLoadChildren(@NonNull String parentId,
             @NonNull Result<List<MediaBrowser.MediaItem>> result);
@@ -394,15 +393,14 @@
      * called when the loading is complete.
      * </p><p>
      * In case the media item does not have any children, call {@link Result#sendResult}
-     * with an empty list which is not {@code null}. If {@code null} is sent that means
-     * the given {@code parentId} is invalid and {@link MediaBrowser.SubscriptionCallback#onError}
-     * will be called.
+     * with an empty list. When the given {@code parentId} is invalid, implementations must
+     * call {@link Result#sendResult result.sendResult} with {@code null}, which will invoke
+     * {@link MediaBrowser.SubscriptionCallback#onError}.
      * </p>
      *
      * @param parentId The id of the parent media item whose children are to be
      *            queried.
-     * @param result The Result to send the list of children to. Send null if the
-     *            id is invalid.
+     * @param result The Result to send the list of children to.
      * @param options A bundle of service-specific arguments sent from the media
      *            browse. The information returned through the result should be
      *            affected by the contents of this bundle.
@@ -424,13 +422,18 @@
      * result.detach} may be called before returning from this function, and
      * then {@link Result#sendResult result.sendResult} called when the item has
      * been loaded.
-     * <p>
-     * The default implementation sends a null result.
+     * </p><p>
+     * When the given {@code itemId} is invalid, implementations must call
+     * {@link Result#sendResult result.sendResult} with {@code null}, which will
+     * invoke {@link MediaBrowser.ItemCallback#onError}.
+     * </p><p>
+     * The default implementation calls {@link Result#sendResult result.sendResult}
+     * with {@code null}.
+     * </p>
      *
      * @param itemId The id for the specific
      *            {@link android.media.browse.MediaBrowser.MediaItem}.
-     * @param result The Result to send the item to. Send null if the id is
-     *            invalid.
+     * @param result The Result to send the item to.
      */
     public void onLoadItem(String itemId, Result<MediaBrowser.MediaItem> result) {
         result.sendResult(null);
diff --git a/media/jni/android_media_MediaCodec.cpp b/media/jni/android_media_MediaCodec.cpp
index 2004a3a..d6994b3 100644
--- a/media/jni/android_media_MediaCodec.cpp
+++ b/media/jni/android_media_MediaCodec.cpp
@@ -1302,7 +1302,10 @@
     jobject patternObj = env->GetObjectField(cryptoInfoObj, gFields.cryptoInfoPatternID);
 
     CryptoPlugin::Pattern pattern;
-    if (patternObj != NULL) {
+    if (patternObj == NULL) {
+        pattern.mEncryptBlocks = 0;
+        pattern.mSkipBlocks = 0;
+    } else {
         pattern.mEncryptBlocks = env->GetIntField(patternObj, gFields.patternEncryptBlocksID);
         pattern.mSkipBlocks = env->GetIntField(patternObj, gFields.patternSkipBlocksID);
     }
diff --git a/packages/DocumentsUI/perf-tests/src/com/android/documentsui/FilesActivityPerfTest.java b/packages/DocumentsUI/perf-tests/src/com/android/documentsui/FilesActivityPerfTest.java
index 05fd2f7..bf056f1 100644
--- a/packages/DocumentsUI/perf-tests/src/com/android/documentsui/FilesActivityPerfTest.java
+++ b/packages/DocumentsUI/perf-tests/src/com/android/documentsui/FilesActivityPerfTest.java
@@ -121,7 +121,7 @@
                 activity.removeEventListener(listener);
             }
 
-            assertEquals(i, measurements.size());
+            assertEquals(i + 1, measurements.size());
 
             // Go back to the empty root.
             bots.roots.openRoot(STRESS_ROOT_0_ID);
diff --git a/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java b/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
index 64f5cc6..4b62f24 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
@@ -731,7 +731,10 @@
 
         // The activity is a component name, therefore it is one or none.
         if (resolvedActivities.get(0).activityInfo.exported) {
-            intent.putExtra(PrintService.EXTRA_PRINT_JOB_INFO, mPrintJob);
+            PrintJobInfo.Builder printJobBuilder = new PrintJobInfo.Builder(mPrintJob);
+            printJobBuilder.setPages(mSelectedPages);
+
+            intent.putExtra(PrintService.EXTRA_PRINT_JOB_INFO, printJobBuilder.build());
             intent.putExtra(PrintService.EXTRA_PRINTER_INFO, printer);
             intent.putExtra(PrintService.EXTRA_PRINT_DOCUMENT_INFO,
                     mPrintedDocument.getDocumentInfo().info);
@@ -759,10 +762,14 @@
         // Take the advanced options without interpretation.
         mPrintJob.setAdvancedOptions(printJobInfo.getAdvancedOptions());
 
-        // Take copies without interpretation as the advanced print dialog
-        // cannot create a print job info with invalid copies.
-        mCopiesEditText.setText(String.valueOf(printJobInfo.getCopies()));
-        mPrintJob.setCopies(printJobInfo.getCopies());
+        if (printJobInfo.getCopies() < 1) {
+            Log.w(LOG_TAG, "Cannot apply return value from advanced options activity. Copies " +
+                    "must be 1 or more. Actual value is: " + printJobInfo.getCopies() + ". " +
+                    "Ignoring.");
+        } else {
+            mCopiesEditText.setText(String.valueOf(printJobInfo.getCopies()));
+            mPrintJob.setCopies(printJobInfo.getCopies());
+        }
 
         PrintAttributes currAttributes = mPrintJob.getAttributes();
         PrintAttributes newAttributes = printJobInfo.getAttributes();
@@ -771,7 +778,7 @@
             // Take the media size only if the current printer supports is.
             MediaSize oldMediaSize = currAttributes.getMediaSize();
             MediaSize newMediaSize = newAttributes.getMediaSize();
-            if (!oldMediaSize.equals(newMediaSize)) {
+            if (newMediaSize != null && !oldMediaSize.equals(newMediaSize)) {
                 final int mediaSizeCount = mMediaSizeSpinnerAdapter.getCount();
                 MediaSize newMediaSizePortrait = newAttributes.getMediaSize().asPortrait();
                 for (int i = 0; i < mediaSizeCount; i++) {
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index b5b7bcd7..637551c 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -245,7 +245,7 @@
                   android:stateNotNeeded="true"
                   android:resumeWhilePausing="true"
                   android:screenOrientation="behind"
-                  android:theme="@style/RecentsTheme.Wallpaper">
+                  android:theme="@style/RecentsTvTheme.Wallpaper">
             <intent-filter>
                 <action android:name="com.android.systemui.recents.TOGGLE_RECENTS" />
             </intent-filter>
diff --git a/packages/SystemUI/res/drawable/recents_tv_background_gradient.xml b/packages/SystemUI/res/drawable/recents_tv_background_gradient.xml
new file mode 100644
index 0000000..e98d43f
--- /dev/null
+++ b/packages/SystemUI/res/drawable/recents_tv_background_gradient.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+       android:shape="rectangle">
+    <gradient
+            android:startColor="#99000000"
+            android:endColor="#E6000000"
+            android:angle="90"/>
+</shape>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/recents_on_tv.xml b/packages/SystemUI/res/layout/recents_on_tv.xml
index 94b099e..3a7c1d1 100644
--- a/packages/SystemUI/res/layout/recents_on_tv.xml
+++ b/packages/SystemUI/res/layout/recents_on_tv.xml
@@ -18,9 +18,10 @@
     android:id="@+id/recents_view"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@drawable/recents_tv_background_gradient"
     android:clipChildren="false"
-    android:clipToPadding="false" >
-
+    android:clipToPadding="false"
+    android:layoutDirection="rtl">
     <com.android.systemui.recents.tv.views.TaskStackHorizontalGridView
         android:id="@+id/task_list"
         android:layout_width="wrap_content"
diff --git a/packages/SystemUI/res/layout/recents_task_card_view.xml b/packages/SystemUI/res/layout/recents_tv_task_card_view.xml
similarity index 65%
rename from packages/SystemUI/res/layout/recents_task_card_view.xml
rename to packages/SystemUI/res/layout/recents_tv_task_card_view.xml
index fa1daad..c5b1a7a 100644
--- a/packages/SystemUI/res/layout/recents_task_card_view.xml
+++ b/packages/SystemUI/res/layout/recents_tv_task_card_view.xml
@@ -20,28 +20,28 @@
     android:focusable="true"
     android:focusableInTouchMode="true"
     android:layout_gravity="center"
-    android:layout_centerInParent="true">
+    android:layout_centerInParent="true"
+    android:layoutDirection="ltr">
 
-    <RelativeLayout
+    <LinearLayout
             android:layout_width="@dimen/recents_tv_card_width"
             android:layout_height="wrap_content"
             android:layout_centerInParent="true"
-            android:layout_gravity="center">
-        <ImageView
-                android:id="@+id/card_view_thumbnail"
-                android:layout_width="match_parent"
-                android:layout_height="@dimen/recents_tv_card_height"
-                android:scaleType="centerCrop"
-                android:gravity="center"
-                android:layout_alignParentTop="true"
-                android:layout_centerHorizontal="true"/>
-
-        <RelativeLayout
+            android:layout_gravity="center"
+            android:orientation="vertical" >
+        <LinearLayout
                 android:id="@+id/card_info_field"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_below="@id/card_view_thumbnail"
-                android:background="@color/recents_tv_card_background_color" >
+                android:layout_height="wrap_content">
+            <ImageView
+                    android:id="@+id/card_extra_badge"
+                    android:layout_width="@dimen/recents_tv_card_extra_badge_size"
+                    android:layout_height="@dimen/recents_tv_card_extra_badge_size"
+                    android:layout_marginBottom="@dimen/recents_tv_icon_padding_bottom"
+                    android:layout_marginEnd="@dimen/recents_tv_icon_padding_end"
+                    android:scaleType="fitCenter"
+                    android:layout_centerVertical="true"
+                    android:layout_alignParentRight="true" />
             <TextView
                     android:id="@+id/card_title_text"
                     android:layout_width="match_parent"
@@ -49,29 +49,21 @@
                     android:layout_alignParentTop="false"
                     android:includeFontPadding="true"
                     android:minLines="1"
-                    android:maxLines="2"
+                    android:maxLines="1"
                     android:textColor="@color/recents_tv_card_title_text_color"
-                    android:ellipsize="end" />
-            <TextView
-                    android:id="@+id/card_content_text"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_alignParentStart="true"
-                    android:layout_below="@id/card_title_text"
-                    android:includeFontPadding="true"
-                    android:minLines="1"
-                    android:maxLines="2"
-                    android:textColor="@color/recents_tv_card_content_text_color"
-                    android:ellipsize="end" />
-            <ImageView
-                    android:id="@+id/card_extra_badge"
-                    android:layout_width="@dimen/recents_tv_card_extra_badge_size"
-                    android:layout_height="@dimen/recents_tv_card_extra_badge_size"
-                    android:scaleType="fitCenter"
-                    android:background="@android:color/transparent"
-                    android:contentDescription="@null"
-                    android:layout_centerVertical="true"
-                    android:layout_alignParentRight="true"/>
-        </RelativeLayout>
-    </RelativeLayout>
+                    android:fontFamily="@string/font_roboto_regular"
+                    android:textSize="@dimen/recents_tv_title_text_size"
+                    android:layout_marginBottom="@dimen/recents_tv_text_padding_bottom"
+                    android:ellipsize="end"/>
+        </LinearLayout>
+        <ImageView
+                android:id="@+id/card_view_thumbnail"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/recents_tv_card_height"
+                android:scaleType="centerCrop"
+                android:gravity="center"
+                android:layout_alignParentTop="true"
+                android:layout_centerHorizontal="true"
+                android:layout_below="@id/card_title_text" />
+    </LinearLayout>
 </com.android.systemui.recents.tv.views.TaskCardView>
\ No newline at end of file
diff --git a/packages/SystemUI/res/values/colors_tv.xml b/packages/SystemUI/res/values/colors_tv.xml
index 6f4c983..af99aae 100644
--- a/packages/SystemUI/res/values/colors_tv.xml
+++ b/packages/SystemUI/res/values/colors_tv.xml
@@ -18,7 +18,5 @@
 -->
 <resources>
     <color name="recents_tv_card_background_color">#FF37474F</color>
-    <color name="recents_tv_card_title_text_color">#FFEEEEEE</color>
-    <color name="recents_tv_card_content_text_color">#99EEEEEE</color>
-    <color name="recents_tv_card_source_text_color">#99EEEEEE</color>
+    <color name="recents_tv_card_title_text_color">#CCEEEEEE</color>
 </resources>
\ No newline at end of file
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 8a7f90b..12c3a5d 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -292,6 +292,9 @@
     <!-- The amount to allow the stack to overscroll. -->
     <dimen name="recents_stack_overscroll">24dp</dimen>
 
+    <!-- The size of the initial peek area at the top of the stack (below the status bar). -->
+    <dimen name="recents_initial_top_peek_size">8dp</dimen>
+
     <!-- The size of the peek area at the top of the stack (below the status bar). -->
     <dimen name="recents_layout_focused_top_peek_size">@dimen/recents_history_button_height</dimen>
 
diff --git a/packages/SystemUI/res/values/dimens_tv.xml b/packages/SystemUI/res/values/dimens_tv.xml
index bf32cc7..b589110 100644
--- a/packages/SystemUI/res/values/dimens_tv.xml
+++ b/packages/SystemUI/res/values/dimens_tv.xml
@@ -18,15 +18,21 @@
 -->
 <resources>
     <!-- Dimens for recents card in the recents view on tv -->
-    <dimen name="recents_tv_card_width">150dip</dimen>
-    <dimen name="recents_tv_card_height">85dip</dimen>
-    <dimen name="recents_tv_card_extra_badge_size">16dip</dimen>
+    <dimen name="recents_tv_card_width">268dip</dimen>
+    <dimen name="recents_tv_card_height">151dip</dimen>
+    <dimen name="recents_tv_card_extra_badge_size">20dip</dimen>
+    <dimen name="recents_tv_banner_width">114dip</dimen>
+    <dimen name="recents_tv_banner_height">64dip</dimen>
+    <dimen name="recents_tv_banner_margin_top">16dip</dimen>
+    <dimen name="recents_tv_icon_padding_bottom">8dip</dimen>
+    <dimen name="recents_tv_icon_padding_end">12dip</dimen>
+    <dimen name="recents_tv_text_padding_bottom">12dip</dimen>
 
     <!-- Padding for grid view in recents view on tv -->
     <dimen name="recents_tv_grid_row_padding">56dip</dimen>
     <dimen name="recents_tv_gird_row_top_padding">57dip</dimen>
-    <dimen name="recents_tv_grid_max_row_height">200dip</dimen>
-    <dimen name="recents_tv_gird_card_spacing">8dip</dimen>
+    <dimen name="recents_tv_grid_max_row_height">268dip</dimen>
+    <dimen name="recents_tv_gird_card_spacing">20dip</dimen>
 
     <!-- Values for focus animation -->
     <dimen name="recents_tv_unselected_item_z">6dp</dimen>
@@ -34,4 +40,7 @@
 
     <!-- Extra space around the PIP and its outline in PIP onboarding activity  -->
     <dimen name="tv_pip_bounds_space">3dp</dimen>
+
+    <!-- Values for text on recents cards on tv -->
+    <dimen name="recents_tv_title_text_size">12sp</dimen>
 </resources>
diff --git a/packages/SystemUI/res/values/strings_tv.xml b/packages/SystemUI/res/values/strings_tv.xml
index 4f382ea..59cfb1e 100644
--- a/packages/SystemUI/res/values/strings_tv.xml
+++ b/packages/SystemUI/res/values/strings_tv.xml
@@ -31,11 +31,13 @@
     <string name="pip_cancel" translatable="false">Cancel</string>
     <!-- Overlay text on PIP -->
     <string name="pip_hold_home" translatable="false">Hold HOME to control PIP</string>
-
     <!-- Picture-in-Picture onboarding screen -->
     <eat-comment />
     <!-- Description for onboarding screen. -->
     <string name="pip_onboarding_description" translatable="false">Press and hold the HOME\nbutton to close or control it</string>
     <!-- Button to close onboarding screen. -->
     <string name="pip_onboarding_button" translatable="false">Got it</string>
+    <!-- Font for Recents -->
+    <!-- DO NOT TRANSLATE -->
+    <string name="font_roboto_regular" translatable="false">sans-serif</string>
 </resources>
diff --git a/packages/SystemUI/res/values/styles_tv.xml b/packages/SystemUI/res/values/styles_tv.xml
index 3f0caab..263e1a4 100644
--- a/packages/SystemUI/res/values/styles_tv.xml
+++ b/packages/SystemUI/res/values/styles_tv.xml
@@ -22,4 +22,11 @@
         <item name="android:windowBackground">@android:color/transparent</item>
         <item name="android:backgroundDimEnabled">false</item>
      </style>
+
+    <style name="RecentsTvTheme.Wallpaper" parent="@android:style/Theme.Material.NoActionBar.Overscan">
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:backgroundDimEnabled">false</item>
+        <item name="android:colorBackgroundCacheHint">@null</item>
+        <item name="android:windowIsTranslucent">true</item>
+    </style>
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/TileQueryHelper.java b/packages/SystemUI/src/com/android/systemui/qs/customize/TileQueryHelper.java
index aa85f78..d95d3ef 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/TileQueryHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/TileQueryHelper.java
@@ -28,8 +28,6 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.service.quicksettings.TileService;
-import com.android.systemui.Prefs;
-import com.android.systemui.Prefs.Key;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.qs.QSTile.DrawableIcon;
@@ -57,10 +55,8 @@
     }
 
     private void addSystemTiles(QSTileHost host) {
-        boolean hasColorMod = Prefs.getBoolean(host.getContext(), Key.QS_NIGHT_ADDED, false)
-                && TunerService.isTunerEnabled(host.getContext());
         String possible = mContext.getString(R.string.quick_settings_tiles_default)
-                + ",hotspot,inversion,saver,work,cast" + (hasColorMod ? ",night" : "");
+                + ",hotspot,inversion,saver,work,cast,night";
         String[] possibleTiles = possible.split(",");
         final Handler qsHandler = new Handler(host.getLooper());
         final Handler mainHandler = new Handler(Looper.getMainLooper());
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index d7c12ba..a2934d74 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -43,6 +43,7 @@
 import com.android.systemui.recents.events.EventBus;
 import com.android.systemui.recents.events.activity.AppWidgetProviderChangedEvent;
 import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent;
+import com.android.systemui.recents.events.activity.ConfigurationChangedEvent;
 import com.android.systemui.recents.events.activity.DebugFlagsChangedEvent;
 import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted;
 import com.android.systemui.recents.events.activity.EnterRecentsWindowAnimationCompletedEvent;
@@ -107,7 +108,7 @@
     private RecentsAppWidgetHostView mSearchWidgetHostView;
 
     // Runnables to finish the Recents activity
-    private FinishRecentsRunnable mFinishLaunchHomeRunnable;
+    private Intent mHomeIntent;
 
     // The trigger to automatically launch the current task
     private int mFocusTimerDuration;
@@ -119,7 +120,7 @@
      * last activity launch state. Generally we always launch home when we exit Recents rather than
      * just finishing the activity since we don't know what is behind Recents in the task stack.
      */
-    class FinishRecentsRunnable implements Runnable {
+    class LaunchHomeRunnable implements Runnable {
 
         Intent mLaunchIntent;
         ActivityOptions mOpts;
@@ -127,7 +128,7 @@
         /**
          * Creates a finish runnable that starts the specified intent.
          */
-        public FinishRecentsRunnable(Intent launchIntent, ActivityOptions opts) {
+        public LaunchHomeRunnable(Intent launchIntent, ActivityOptions opts) {
             mLaunchIntent = launchIntent;
             mOpts = opts;
         }
@@ -215,7 +216,7 @@
             MetricsLogger.count(this, "overview_trigger_nav_btn", 1);
         }
         // Keep track of whether we launched from an app or from home
-        if (launchState.launchedFromAppWithThumbnail) {
+        if (launchState.launchedFromApp) {
             MetricsLogger.count(this, "overview_source_app", 1);
             // If from an app, track the stack index of the app in the stack (for affiliated tasks)
             MetricsLogger.histogram(this, "overview_source_app_index", launchTaskIndexInStack);
@@ -294,12 +295,8 @@
     void dismissRecentsToHome(boolean animateTaskViews, ActivityOptions overrideAnimation) {
         DismissRecentsToHomeAnimationStarted dismissEvent =
                 new DismissRecentsToHomeAnimationStarted(animateTaskViews);
-        if (overrideAnimation != null) {
-            dismissEvent.addPostAnimationCallback(new FinishRecentsRunnable(
-                    mFinishLaunchHomeRunnable.mLaunchIntent, overrideAnimation));
-        } else {
-            dismissEvent.addPostAnimationCallback(mFinishLaunchHomeRunnable);
-        }
+        dismissEvent.addPostAnimationCallback(new LaunchHomeRunnable(mHomeIntent,
+                overrideAnimation));
         dismissEvent.addPostAnimationCallback(new Runnable() {
             @Override
             public void run() {
@@ -365,11 +362,10 @@
         });
 
         // Create the home intent runnable
-        Intent homeIntent = new Intent(Intent.ACTION_MAIN, null);
-        homeIntent.addCategory(Intent.CATEGORY_HOME);
-        homeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
+        mHomeIntent = new Intent(Intent.ACTION_MAIN, null);
+        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
+        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
                 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
-        mFinishLaunchHomeRunnable = new FinishRecentsRunnable(homeIntent, null);
 
         // Bind the search app widget when we first start up
         if (RecentsDebugFlags.Static.EnableSearchBar) {
@@ -404,7 +400,7 @@
         RecentsConfiguration config = Recents.getConfiguration();
         RecentsActivityLaunchState launchState = config.getLaunchState();
         boolean wasLaunchedByAm = !launchState.launchedFromHome &&
-                !launchState.launchedFromAppWithThumbnail;
+                !launchState.launchedFromApp;
         if (launchState.launchedHasConfigurationChanged || wasLaunchedByAm) {
             EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
         }
@@ -528,6 +524,7 @@
     @Override
     public void onMultiWindowChanged(boolean inMultiWindow) {
         super.onMultiWindowChanged(inMultiWindow);
+        EventBus.getDefault().send(new ConfigurationChangedEvent());
         RecentsTaskLoader loader = Recents.getTaskLoader();
         RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options();
         launchOpts.loadIcons = false;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivityLaunchState.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivityLaunchState.java
index aa1437b..ec4820a 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivityLaunchState.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivityLaunchState.java
@@ -28,7 +28,8 @@
 public class RecentsActivityLaunchState {
 
     public boolean launchedWithAltTab;
-    public boolean launchedFromAppWithThumbnail;
+    public boolean launchedFromApp;
+    public boolean launchedFromAppDocked;
     public boolean launchedFromHome;
     public boolean launchedFromSearchHome;
     public boolean launchedReuseTaskStackViews;
@@ -42,7 +43,8 @@
     public void reset() {
         launchedFromHome = false;
         launchedFromSearchHome = false;
-        launchedFromAppWithThumbnail = false;
+        launchedFromApp = false;
+        launchedFromAppDocked = false;
         launchedToTaskId = -1;
         launchedWithAltTab = false;
         launchedHasConfigurationChanged = false;
@@ -67,7 +69,7 @@
     public int getInitialFocusTaskIndex(int numTasks) {
         RecentsDebugFlags debugFlags = Recents.getDebugFlags();
         RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
-        if (launchedFromAppWithThumbnail) {
+        if (launchedFromApp) {
             if (!launchState.launchedWithAltTab && debugFlags.isFastToggleRecentsEnabled()) {
                 // If fast toggling, focus the front most task so that the next tap will focus the
                 // N-1 task
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java
index 9e43bb4..eec0411 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsConfiguration.java
@@ -69,7 +69,6 @@
     public final int smallestWidth;
 
     /** Misc **/
-    public boolean useHardwareLayers;
     public boolean fakeShadows;
     public int svelteLevel;
     public int searchBarSpaceHeightPx;
@@ -80,7 +79,6 @@
         SystemServicesProxy ssp = Recents.getSystemServices();
         Context appContext = context.getApplicationContext();
         Resources res = appContext.getResources();
-        useHardwareLayers = res.getBoolean(R.bool.config_recents_use_hardware_layers);
         fakeShadows = res.getBoolean(R.bool.config_recents_fake_shadows);
         svelteLevel = res.getInteger(R.integer.recents_svelte_level);
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
index cd64323..6feda81 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
@@ -39,8 +39,8 @@
         public static final boolean EnableAffiliatedTaskGroups = true;
         // Enables the history
         public static final boolean EnableHistory = false;
-        // Overrides the Tuner flags and enables the fast toggle and timeout
-        public static final boolean EnableFastToggleTimeoutOverride = true;
+        // Overrides the Tuner flags and enables the timeout
+        private static final boolean EnableFastToggleTimeout = false;
 
         // Enables us to create mock recents tasks
         public static final boolean EnableMockTasks = false;
@@ -54,9 +54,9 @@
         public static final int MockTaskGroupsTaskCount = 12;
     }
 
-    private static final String KEY_DISABLE_FAST_TOGGLE = "overview_disable_fast_toggle_via_button";
+    private static final String KEY_ENABLE_PAGING = "overview_enable_paging";
 
-    private boolean mDisableFastToggleRecents;
+    private boolean mEnablePaging;
 
     /**
      * We read the prefs once when we start the activity, then update them as the tuner changes
@@ -65,31 +65,32 @@
     public RecentsDebugFlags(Context context) {
         // Register all our flags, this will also call onTuningChanged() for each key, which will
         // initialize the current state of each flag
-        TunerService.get(context).addTunable(this, KEY_DISABLE_FAST_TOGGLE);
+        TunerService.get(context).addTunable(this, KEY_ENABLE_PAGING);
     }
 
     /**
      * @return whether we are enabling fast toggling.
      */
     public boolean isFastToggleRecentsEnabled() {
-        // These checks EnableFastToggleTimeoutOverride
         SystemServicesProxy ssp = Recents.getSystemServices();
-        if (mDisableFastToggleRecents || ssp.hasFreeformWorkspaceSupport() || ssp.hasDockedTask()
-                || ssp.isTouchExplorationEnabled()) {
+        if (ssp.hasFreeformWorkspaceSupport() || ssp.isTouchExplorationEnabled()) {
             return false;
         }
-        if (Static.EnableFastToggleTimeoutOverride) {
-            return true;
-        }
-        return true;
+        return Static.EnableFastToggleTimeout;
+    }
+
+    /**
+     * @return whether we are enabling paging.
+     */
+    public boolean isPagingEnabled() {
+        return mEnablePaging;
     }
 
     @Override
     public void onTuningChanged(String key, String newValue) {
         switch (key) {
-            case KEY_DISABLE_FAST_TOGGLE:
-                mDisableFastToggleRecents = (newValue != null) &&
-                        (Integer.parseInt(newValue) != 0);
+            case KEY_ENABLE_PAGING:
+                mEnablePaging = (newValue != null) && (Integer.parseInt(newValue) != 0);
                 break;
         }
         EventBus.getDefault().send(new DebugFlagsChangedEvent());
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
index 86b03c8..1458d7b 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
@@ -16,6 +16,8 @@
 
 package com.android.systemui.recents;
 
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+
 import android.app.ActivityManager;
 import android.app.ActivityOptions;
 import android.app.ITaskStackListener;
@@ -64,8 +66,10 @@
 import com.android.systemui.recents.model.Task;
 import com.android.systemui.recents.model.TaskGrouping;
 import com.android.systemui.recents.model.TaskStack;
+import com.android.systemui.recents.tv.views.TaskStackHorizontalGridView;
 import com.android.systemui.recents.views.TaskStackLayoutAlgorithm;
 import com.android.systemui.recents.views.TaskStackView;
+import com.android.systemui.recents.views.TaskStackViewScroller;
 import com.android.systemui.recents.views.TaskViewHeader;
 import com.android.systemui.recents.views.TaskViewTransform;
 import com.android.systemui.statusbar.BaseStatusBar;
@@ -74,8 +78,6 @@
 
 import java.util.ArrayList;
 
-import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
-
 /**
  * An implementation of the Recents component for the current user.  For secondary users, this can
  * be called remotely from the system user.
@@ -98,6 +100,7 @@
 
     //Used to store tv or non-tv activty for use in creating intents.
     private final String mRecentsIntentActivityName;
+
     /**
      * An implementation of ITaskStackListener, that allows us to listen for changes to the system
      * task stacks and update recents accordingly.
@@ -276,28 +279,24 @@
         mTriggeredFromAltTab = triggeredFromAltTab;
         mDraggingInRecents = draggingInRecents;
         mLaunchedWhileDocking = launchedWhileDockingTask;
-        if (mFastAltTabTrigger.hasTriggered()) {
-            // We are calling this from the doze trigger, so just fall through to show Recents
-            mFastAltTabTrigger.resetTrigger();
+        if (mFastAltTabTrigger.isAsleep()) {
+            // Fast alt-tab duration has elapsed, fall through to showing Recents and reset
+            mFastAltTabTrigger.stopDozing();
         } else if (mFastAltTabTrigger.isDozing()) {
-            // We are dozing but haven't yet triggered, ignore this if this is not another alt-tab,
-            // otherwise, this is an additional tab (alt-tab*), which means that we should trigger
-            // immediately (fall through and disable the pending trigger)
-            // TODO: This is tricky, we need to handle the tab key, but Recents has not yet started
-            //       so we may actually additional signal to handle multiple quick tab cases.  The
-            //       severity of this is inversely proportional to the FAST_ALT_TAB_DELAY_MS
-            //       duration though
+            // Fast alt-tab duration has not elapsed.  If this is triggered by a different
+            // showRecents() call, then ignore that call for now.
+            // TODO: We can not handle quick tabs that happen between the initial showRecents() call
+            //       that started the activity and the activity starting up.  The severity of this
+            //       is inversely proportional to the FAST_ALT_TAB_DELAY_MS duration though.
             if (!triggeredFromAltTab) {
                 return;
             }
             mFastAltTabTrigger.stopDozing();
-        } else {
-            // Otherwise, the doze trigger is not running, and if this is an alt tab, we should
-            // start the trigger and then wait for the hide (or for it to elapse)
-            if (triggeredFromAltTab) {
-                mFastAltTabTrigger.startDozing();
-                return;
-            }
+        } else if (triggeredFromAltTab) {
+            // The fast alt-tab detector is not yet running, so start the trigger and wait for the
+            // hideRecents() call, or for the fast alt-tab duration to elapse
+            mFastAltTabTrigger.startDozing();
+            return;
         }
 
         try {
@@ -321,7 +320,6 @@
 
             // Cancel the fast alt-tab trigger
             mFastAltTabTrigger.stopDozing();
-            mFastAltTabTrigger.resetTrigger();
             return;
         }
 
@@ -348,12 +346,14 @@
             long elapsedTime = SystemClock.elapsedRealtime() - mLastToggleTime;
 
             if (topTask != null && ssp.isRecentsTopMost(topTask, isTopTaskHome)) {
+                RecentsDebugFlags debugFlags = Recents.getDebugFlags();
                 RecentsConfiguration config = Recents.getConfiguration();
                 RecentsActivityLaunchState launchState = config.getLaunchState();
                 if (!launchState.launchedWithAltTab) {
                     // If the user taps quickly
-                    if (ViewConfiguration.getDoubleTapMinTime() < elapsedTime &&
-                            elapsedTime < ViewConfiguration.getDoubleTapTimeout()) {
+                    if (!debugFlags.isPagingEnabled() ||
+                            (ViewConfiguration.getDoubleTapMinTime() < elapsedTime &&
+                                    elapsedTime < ViewConfiguration.getDoubleTapTimeout())) {
                         // Launch the next focused task
                         EventBus.getDefault().post(new LaunchNextTaskRequestEvent());
                     } else {
@@ -574,7 +574,7 @@
                     false /* triggeredFromAltTab */,
                     dragMode == NavigationBarGestureHelper.DRAG_MODE_RECENTS,
                     false /* animate */,
-                    true /* reloadTasks*/);
+                    true /* launchedWhileDockingTask*/);
         }
     }
 
@@ -707,8 +707,7 @@
         // Update the destination rect
         mDummyStackView.updateLayoutForStack(stack);
         final Task toTask = new Task();
-        final TaskViewTransform toTransform = getThumbnailTransitionTransform(stack, stackView,
-                toTask);
+        final TaskViewTransform toTransform = getThumbnailTransitionTransform(stackView, toTask);
         ForegroundThread.getHandler().postAtFrontOfQueue(new Runnable() {
             @Override
             public void run() {
@@ -754,17 +753,20 @@
      * Creates the activity options for an app->recents transition.
      */
     private ActivityOptions getThumbnailTransitionActivityOptions(
-            ActivityManager.RunningTaskInfo topTask, TaskStack stack, TaskStackView stackView) {
+            ActivityManager.RunningTaskInfo topTask, TaskStackView stackView) {
         if (topTask.stackId == FREEFORM_WORKSPACE_STACK_ID) {
             ArrayList<AppTransitionAnimationSpec> specs = new ArrayList<>();
-            stackView.getScroller().setStackScrollToInitialState();
-            ArrayList<Task> tasks = stack.getStackTasks();
+            ArrayList<Task> tasks = stackView.getStack().getStackTasks();
+            TaskStackLayoutAlgorithm stackLayout = stackView.getStackAlgorithm();
+            TaskStackViewScroller stackScroller = stackView.getScroller();
+
+            stackView.updateToInitialState();
+
             for (int i = tasks.size() - 1; i >= 0; i--) {
                 Task task = tasks.get(i);
                 if (task.isFreeformTask()) {
-                    mTmpTransform = stackView.getStackAlgorithm()
-                            .getStackTransformScreenCoordinates(task,
-                                    stackView.getScroller().getStackScroll(), mTmpTransform, null);
+                    mTmpTransform = stackLayout.getStackTransformScreenCoordinates(task,
+                                    stackScroller.getStackScroll(), mTmpTransform, null);
                     Rect toTaskRect = new Rect();
                     mTmpTransform.rect.round(toTaskRect);
                     Bitmap thumbnail = getThumbnailBitmap(topTask, task, mTmpTransform);
@@ -778,8 +780,7 @@
         } else {
             // Update the destination rect
             Task toTask = new Task();
-            TaskViewTransform toTransform = getThumbnailTransitionTransform(stack, stackView,
-                    toTask);
+            TaskViewTransform toTransform = getThumbnailTransitionTransform(stackView, toTask);
             RectF toTaskRect = toTransform.rect;
             Bitmap thumbnail = getThumbnailBitmap(topTask, toTask, toTransform);
             if (thumbnail != null) {
@@ -811,9 +812,10 @@
     /**
      * Returns the transition rect for the given task id.
      */
-    private TaskViewTransform getThumbnailTransitionTransform(TaskStack stack,
-            TaskStackView stackView, Task runningTaskOut) {
+    private TaskViewTransform getThumbnailTransitionTransform(TaskStackView stackView,
+            Task runningTaskOut) {
         // Find the running task in the TaskStack
+        TaskStack stack = stackView.getStack();
         Task launchTask = stack.getLaunchTarget();
         if (launchTask != null) {
             runningTaskOut.copyFrom(launchTask);
@@ -824,7 +826,7 @@
         }
 
         // Get the transform for the running task
-        stackView.getScroller().setStackScrollToInitialState();
+        stackView.updateToInitialState();
         mTmpTransform = stackView.getStackAlgorithm().getStackTransformScreenCoordinates(launchTask,
                 stackView.getScroller().getStackScroll(), mTmpTransform, null);
         return mTmpTransform;
@@ -852,6 +854,7 @@
                     c.scale(toTransform.scale, toTransform.scale);
                     mHeaderBar.rebindToTask(toTask, false /* touchExplorationEnabled */,
                             disabledInSafeMode);
+                    mHeaderBar.setDimAlpha(toTransform.dimAlpha);
                     mHeaderBar.draw(c);
                     c.setBitmap(null);
                 }
@@ -900,8 +903,7 @@
 
         if (useThumbnailTransition) {
             // Try starting with a thumbnail transition
-            ActivityOptions opts = getThumbnailTransitionActivityOptions(topTask, stack,
-                    mDummyStackView);
+            ActivityOptions opts = getThumbnailTransitionActivityOptions(topTask, mDummyStackView);
             if (opts != null) {
                 startRecentsActivity(topTask, opts, false /* fromHome */,
                         false /* fromSearchHome */, true /* fromThumbnail */, stackVr);
@@ -948,14 +950,15 @@
      * Starts the recents activity.
      */
     private void startRecentsActivity(ActivityManager.RunningTaskInfo topTask,
-              ActivityOptions opts, boolean fromHome, boolean fromSearchHome, boolean fromThumbnail,
-              TaskStackLayoutAlgorithm.VisibilityReport vr) {
+                ActivityOptions opts, boolean fromHome, boolean fromSearchHome,
+                boolean fromThumbnail, TaskStackLayoutAlgorithm.VisibilityReport vr) {
         // Update the configuration based on the launch options
         RecentsConfiguration config = Recents.getConfiguration();
         RecentsActivityLaunchState launchState = config.getLaunchState();
         launchState.launchedFromHome = fromSearchHome || fromHome;
         launchState.launchedFromSearchHome = fromSearchHome;
-        launchState.launchedFromAppWithThumbnail = fromThumbnail;
+        launchState.launchedFromApp = fromThumbnail || mLaunchedWhileDocking;
+        launchState.launchedFromAppDocked = mLaunchedWhileDocking;
         launchState.launchedToTaskId = (topTask != null) ? topTask.id : -1;
         launchState.launchedWithAltTab = mTriggeredFromAltTab;
         launchState.launchedReuseTaskStackViews = mCanReuseTaskStackViews;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/activity/ConfigurationChangedEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/activity/ConfigurationChangedEvent.java
new file mode 100644
index 0000000..0ad4681
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/activity/ConfigurationChangedEvent.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.recents.events.activity;
+
+import com.android.systemui.recents.events.EventBus;
+
+/**
+ * This is sent when the Recents activity configuration has changed.
+ */
+public class ConfigurationChangedEvent extends EventBus.AnimatedEvent {
+    // Simple event
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskEvent.java
new file mode 100644
index 0000000..04ca68f
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskEvent.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.systemui.recents.events.activity;
+
+
+import android.graphics.Rect;
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.model.Task;
+import com.android.systemui.recents.tv.views.TaskCardView;
+
+public class LaunchTvTaskEvent extends EventBus.Event {
+
+    public final TaskCardView taskView;
+    public final Task task;
+    public final Rect targetTaskBounds;
+    public final int targetTaskStack;
+
+    public LaunchTvTaskEvent(TaskCardView taskView, Task task, Rect targetTaskBounds,
+            int targetTaskStack) {
+        this.taskView = taskView;
+        this.task = task;
+        this.targetTaskBounds = targetTaskBounds;
+        this.targetTaskStack = targetTaskStack;
+    }
+
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskStartedEvent.java b/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskStartedEvent.java
new file mode 100644
index 0000000..75d3efa
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/events/activity/LaunchTvTaskStartedEvent.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.recents.events.activity;
+
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.tv.views.TaskCardView;
+
+/**
+ * This event is sent following {@link LaunchTvTaskEvent} after the call to the system is made to
+ * start the task, only used on TV.
+ */
+public class LaunchTvTaskStartedEvent extends EventBus.AnimatedEvent {
+
+    public final TaskCardView taskView;
+
+    public LaunchTvTaskStartedEvent(TaskCardView taskView) {
+        this.taskView = taskView;
+    }
+
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/DozeTrigger.java b/packages/SystemUI/src/com/android/systemui/recents/misc/DozeTrigger.java
index 95aa10f..574ea03 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/DozeTrigger.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/DozeTrigger.java
@@ -30,7 +30,7 @@
     @ViewDebug.ExportedProperty(category="recents")
     boolean mIsDozing;
     @ViewDebug.ExportedProperty(category="recents")
-    boolean mHasTriggered;
+    boolean mIsAsleep;
     @ViewDebug.ExportedProperty(category="recents")
     int mDozeDurationMilliseconds;
     Runnable mOnSleepRunnable;
@@ -40,7 +40,7 @@
         @Override
         public void run() {
             mIsDozing = false;
-            mHasTriggered = true;
+            mIsAsleep = true;
             mOnSleepRunnable.run();
         }
     };
@@ -56,7 +56,7 @@
      */
     public void startDozing() {
         forcePoke();
-        mHasTriggered = false;
+        mIsAsleep = false;
     }
 
     /**
@@ -65,6 +65,7 @@
     public void stopDozing() {
         mHandler.removeCallbacks(mDozeRunnable);
         mIsDozing = false;
+        mIsAsleep = false;
     }
 
     /**
@@ -99,12 +100,7 @@
     }
 
     /** Returns whether the trigger has fired at least once. */
-    public boolean hasTriggered() {
-        return mHasTriggered;
-    }
-
-    /** Resets the doze trigger state. */
-    public void resetTrigger() {
-        mHasTriggered = false;
+    public boolean isAsleep() {
+        return mIsAsleep;
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index 7c5a931..532e796 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -695,6 +695,37 @@
     }
 
     /**
+     * Returns a banner used on TV for the specified Activity.
+     */
+    public Drawable getActivityBanner(ActivityInfo info) {
+        if (mPm == null) return null;
+
+        // If we are mocking, then return a mock banner
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
+            return new ColorDrawable(0xFF666666);
+        }
+
+        Drawable banner = info.loadBanner(mPm);
+        return banner;
+    }
+
+    /**
+     * Returns a logo used on TV for the specified Activity.
+     */
+    public Drawable getActivityLogo(ActivityInfo info) {
+        if (mPm == null) return null;
+
+        // If we are mocking, then return a mock logo
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
+            return new ColorDrawable(0xFF666666);
+        }
+
+        Drawable logo = info.loadLogo(mPm);
+        return logo;
+    }
+
+
+    /**
      * Returns the given label for a user, badging if necessary.
      */
     private String getBadgedLabel(String label, int userId) {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java b/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
index 0c48cf7..02c8d96 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/RecentsTvActivity.java
@@ -40,7 +40,6 @@
 import com.android.systemui.recents.events.activity.EnterRecentsWindowLastAnimationFrameEvent;
 import com.android.systemui.recents.events.activity.HideRecentsEvent;
 import com.android.systemui.recents.events.activity.LaunchTaskFailedEvent;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
 import com.android.systemui.recents.events.activity.ToggleRecentsEvent;
 import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
 import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent;
@@ -60,6 +59,8 @@
 import com.android.systemui.tv.pip.PipManager;
 
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 
 /**
  * The main TV recents activity started by the RecentsImpl.
@@ -157,11 +158,13 @@
 
 
         mRecentsView.setTaskStack(stack);
+        List stackTasks = stack.getStackTasks();
+        Collections.reverse(stackTasks);
         if (mTaskStackViewAdapter == null) {
-            mTaskStackViewAdapter = new TaskStackHorizontalViewAdapter(stack.getStackTasks());
+            mTaskStackViewAdapter = new TaskStackHorizontalViewAdapter(stackTasks);
             mRecentsView.setTaskStackViewAdapter(mTaskStackViewAdapter);
         } else {
-            mTaskStackViewAdapter.setNewStackTasks(stack.getStackTasks());
+            mTaskStackViewAdapter.setNewStackTasks(stackTasks);
         }
 
         if (launchState.launchedToTaskId != -1) {
@@ -284,7 +287,7 @@
         RecentsConfiguration config = Recents.getConfiguration();
         RecentsActivityLaunchState launchState = config.getLaunchState();
         boolean wasLaunchedByAm = !launchState.launchedFromHome &&
-                !launchState.launchedFromAppWithThumbnail;
+                !launchState.launchedFromApp;
         if (launchState.launchedHasConfigurationChanged || wasLaunchedByAm) {
             EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
         }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvTransitionHelper.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvTransitionHelper.java
new file mode 100644
index 0000000..ef8d48e
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvTransitionHelper.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.systemui.recents.tv.views;
+
+import android.annotation.Nullable;
+import android.app.ActivityManager;
+import android.app.ActivityOptions;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Rect;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IRemoteCallback;
+import android.os.RemoteException;
+import android.util.Log;
+import android.view.WindowManagerGlobal;
+import com.android.internal.annotations.GuardedBy;
+import com.android.systemui.recents.Recents;
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.events.activity.*;
+import com.android.systemui.recents.misc.SystemServicesProxy;
+import com.android.systemui.recents.model.Task;
+import com.android.systemui.recents.model.TaskStack;
+
+
+public class RecentsTvTransitionHelper {
+    private static final String TAG = "RecentsTvTransitionHelper";
+
+    private Context mContext;
+    private Handler mHandler;
+
+    public RecentsTvTransitionHelper(Context context, Handler handler) {
+        mContext = context;
+        mHandler = handler;
+    }
+
+    public void launchTaskFromRecents(final TaskStack stack, @Nullable final Task task,
+            final TaskStackHorizontalGridView stackView, final TaskCardView taskView,
+            final Rect bounds, int destinationStack) {
+        final ActivityOptions opts = ActivityOptions.makeBasic();
+        if (bounds != null) {
+            opts.setLaunchBounds(bounds.isEmpty() ? null : bounds);
+        }
+
+        final ActivityOptions.OnAnimationStartedListener animStartedListener;
+        if (task.thumbnail != null && task.thumbnail.getWidth() > 0 &&
+                task.thumbnail.getHeight() > 0) {
+            animStartedListener = new ActivityOptions.OnAnimationStartedListener() {
+                @Override
+                public void onAnimationStarted() {
+                    // If we are launching into another task, cancel the previous task's
+                    // window transition
+                    EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(task));
+                    EventBus.getDefault().send(new ExitRecentsWindowFirstAnimationFrameEvent());
+                }
+            };
+        } else {
+            // This is only the case if the task is not on screen (scrolled offscreen for example)
+            animStartedListener = new ActivityOptions.OnAnimationStartedListener() {
+                @Override
+                public void onAnimationStarted() {
+                    EventBus.getDefault().send(new ExitRecentsWindowFirstAnimationFrameEvent());
+                }
+            };
+        }
+
+        if (taskView == null) {
+            // If there is no task view, then we do not need to worry about animating out occluding
+            // task views, and we can launch immediately
+            startTaskActivity(stack, task, taskView, opts, animStartedListener);
+        } else {
+            LaunchTvTaskStartedEvent launchStartedEvent = new LaunchTvTaskStartedEvent(taskView);
+            EventBus.getDefault().send(launchStartedEvent);
+            startTaskActivity(stack, task, taskView, opts, animStartedListener);
+        }
+    }
+
+    private void startTaskActivity(TaskStack stack, Task task, @Nullable TaskCardView taskView,
+            ActivityOptions opts,final ActivityOptions.OnAnimationStartedListener animStartedListener) {
+        SystemServicesProxy ssp = Recents.getSystemServices();
+        if (ssp.startActivityFromRecents(mContext, task.key.id, task.title, opts)) {
+            // Keep track of the index of the task launch
+            int taskIndexFromFront = 0;
+            int taskIndex = stack.indexOfStackTask(task);
+            if (taskIndex > -1) {
+                taskIndexFromFront = stack.getTaskCount() - taskIndex - 1;
+            }
+            EventBus.getDefault().send(new LaunchTaskSucceededEvent(taskIndexFromFront));
+        } else {
+            // Keep track of failed launches
+            EventBus.getDefault().send(new LaunchTaskFailedEvent());
+        }
+
+        IRemoteCallback.Stub callback = null;
+        if (animStartedListener != null) {
+            callback = new IRemoteCallback.Stub() {
+                @Override
+                public void sendResult(Bundle data) throws RemoteException {
+                    mHandler.post(new Runnable() {
+                        @Override
+                        public void run() {
+                            if (animStartedListener != null) {
+                                animStartedListener.onAnimationStarted();
+                            }
+                        }
+                    });
+                }
+            };
+        }
+        try {
+            Rect taskRect = taskView.getGlobalRect();
+            WindowManagerGlobal.getWindowManagerService()
+                    .overridePendingAppTransitionThumb(task.thumbnail, taskRect.left,
+                            taskRect.top, callback, true);
+        } catch (RemoteException e) {
+            Log.w(TAG, "Failed to override transition: " + e);
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
index 8e768a2..bf6229c 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/RecentsTvView.java
@@ -17,6 +17,7 @@
 
 import android.content.Context;
 import android.graphics.Rect;
+import android.os.Handler;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -31,7 +32,7 @@
 import com.android.systemui.recents.events.EventBus;
 import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent;
 import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted;
-import com.android.systemui.recents.events.activity.TaskStackUpdatedEvent;
+import com.android.systemui.recents.events.activity.LaunchTvTaskEvent;
 import com.android.systemui.recents.events.component.RecentsVisibilityChangedEvent;
 import com.android.systemui.recents.misc.SystemServicesProxy;
 import com.android.systemui.recents.model.Task;
@@ -53,7 +54,8 @@
     private View mEmptyView;
     private boolean mAwaitingFirstLayout = true;
     private Rect mSystemInsets = new Rect();
-
+    private RecentsTvTransitionHelper mTransitionHelper;
+    private Handler mHandler;
 
     public RecentsTvView(Context context) {
         this(context, null);
@@ -75,6 +77,8 @@
         LayoutInflater inflater = LayoutInflater.from(context);
         mEmptyView = inflater.inflate(R.layout.recents_empty, this, false);
         addView(mEmptyView);
+        mHandler = new Handler();
+        mTransitionHelper = new RecentsTvTransitionHelper(mContext, mHandler);
     }
 
     public void setTaskStack(TaskStack stack) {
@@ -209,6 +213,11 @@
 
     /**** EventBus Events ****/
 
+    public final void onBusEvent(LaunchTvTaskEvent event) {
+        mTransitionHelper.launchTaskFromRecents(mStack, event.task, mTaskStackHorizontalView,
+                event.taskView, event.targetTaskBounds, event.targetTaskStack);
+    }
+
     public final void onBusEvent(DismissRecentsToHomeAnimationStarted event) {
         // If we are going home, cancel the previous task's window transition
         EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(null));
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
index e275f22..7d8a3ce 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskCardView.java
@@ -16,20 +16,20 @@
 package com.android.systemui.recents.tv.views;
 
 import android.content.Context;
+import android.graphics.Rect;
 import android.util.AttributeSet;
 import android.widget.ImageView;
-import android.widget.RelativeLayout;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import com.android.systemui.R;
-import com.android.systemui.recents.model.Task;
 import com.android.systemui.recents.tv.animations.ViewFocusAnimator;
+import com.android.systemui.recents.model.Task;
 
-public class TaskCardView extends RelativeLayout {
+public class TaskCardView extends LinearLayout {
 
     private ImageView mThumbnailView;
     private TextView mTitleTextView;
-    private TextView mContentTextView;
     private ImageView mBadgeView;
     private Task mTask;
 
@@ -52,7 +52,6 @@
     protected void onFinishInflate() {
         mThumbnailView = (ImageView) findViewById(R.id.card_view_thumbnail);
         mTitleTextView = (TextView) findViewById(R.id.card_title_text);
-        mContentTextView = (TextView) findViewById(R.id.card_content_text);
         mBadgeView = (ImageView) findViewById(R.id.card_extra_badge);
     }
 
@@ -60,11 +59,27 @@
         mTask = task;
         mThumbnailView.setImageBitmap(task.thumbnail);
         mTitleTextView.setText(task.title);
-        mContentTextView.setText(task.contentDescription);
         mBadgeView.setImageDrawable(task.icon);
     }
 
     public Task getTask() {
         return mTask;
     }
+
+    @Override
+    public void getFocusedRect(Rect r) {
+        mThumbnailView.getFocusedRect(r);
+    }
+
+    public Rect getFocusedRect() {
+        Rect r = new Rect();
+        getFocusedRect(r);
+        return r;
+    }
+
+    public Rect getGlobalRect() {
+        Rect r = new Rect();
+        getGlobalVisibleRect(r);
+        return r;
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalGridView.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalGridView.java
index 58ec852..4458639 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalGridView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalGridView.java
@@ -15,7 +15,6 @@
  */
 package com.android.systemui.recents.tv.views;
 
-
 import android.content.Context;
 import android.support.v17.leanback.widget.HorizontalGridView;
 import android.util.AttributeSet;
@@ -36,13 +35,17 @@
 /**
  * Horizontal Grid View Implementation to show the Task Stack for TV.
  */
-public class TaskStackHorizontalGridView extends HorizontalGridView implements TaskStackCallbacks{
+public class TaskStackHorizontalGridView extends HorizontalGridView implements TaskStackCallbacks {
 
     private TaskStack mStack;
     private ArrayList<TaskCardView> mTaskViews = new ArrayList<>();
     private Task mFocusedTask;
 
 
+    public TaskStackHorizontalGridView(Context context) {
+        this(context, null);
+    }
+
     public TaskStackHorizontalGridView(Context context, AttributeSet attrs) {
         super(context, attrs);
     }
@@ -64,8 +67,6 @@
      * Resets this view for reuse.
      */
     public void reset() {
-        // Reset the focused task
-        resetFocusedTask(getFocusedTask());
         requestLayout();
     }
 
@@ -73,12 +74,6 @@
      * @param task - Task to reset
      */
     private void resetFocusedTask(Task task) {
-        if (task != null) {
-            TaskCardView tv = getChildViewForTask(task);
-            if (tv != null) {
-                tv.requestFocus();
-            }
-        }
         mFocusedTask = null;
     }
 
@@ -107,6 +102,9 @@
      * @return - The focused task.
      */
     public Task getFocusedTask() {
+        if (findFocus() != null) {
+            mFocusedTask = ((TaskCardView)findFocus()).getTask();
+        }
         return mFocusedTask;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalViewAdapter.java b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalViewAdapter.java
index f154331..fba424e 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalViewAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/tv/views/TaskStackHorizontalViewAdapter.java
@@ -16,7 +16,6 @@
 package com.android.systemui.recents.tv.views;
 
 import android.app.Activity;
-import android.app.ActivityManagerNative;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -24,15 +23,20 @@
 import android.view.ViewGroup;
 
 import com.android.systemui.R;
+import com.android.systemui.recents.events.EventBus;
+import com.android.systemui.recents.events.activity.LaunchTvTaskEvent;
 import com.android.systemui.recents.model.Task;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
+
 public class TaskStackHorizontalViewAdapter extends
         RecyclerView.Adapter<TaskStackHorizontalViewAdapter.ViewHolder> {
 
-    private static final String TAG = "TaskStackHorizontalViewAdapter";
+    //Full class name is 30 characters
+    private static final String TAG = "TaskStackViewAdapter";
     private List<Task> mTaskList;
 
     static class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{
@@ -54,7 +58,8 @@
         @Override
         public void onClick(View v) {
             try {
-                ActivityManagerNative.getDefault().startActivityFromRecents(mTask.key.id, null);
+                EventBus.getDefault().send(new LaunchTvTaskEvent(mTaskCardView, mTask,
+                        null, INVALID_STACK_ID));
                 ((Activity)(v.getContext())).finish();
             } catch (Exception e) {
                 Log.e(TAG, v.getContext()
@@ -73,11 +78,12 @@
         mTaskList.addAll(tasks);
         notifyDataSetChanged();
     }
+
     @Override
     public TaskStackHorizontalViewAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
             int viewType) {
         View view = LayoutInflater.from(parent.getContext())
-                .inflate(R.layout.recents_task_card_view, parent, false);
+                .inflate(R.layout.recents_tv_task_card_view, parent, false);
         ViewHolder viewHolder = new ViewHolder(view);
         return viewHolder;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/FreeformWorkspaceLayoutAlgorithm.java b/packages/SystemUI/src/com/android/systemui/recents/views/FreeformWorkspaceLayoutAlgorithm.java
index 4359101..72b914c 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/FreeformWorkspaceLayoutAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/FreeformWorkspaceLayoutAlgorithm.java
@@ -37,6 +37,13 @@
     private int mTaskPadding;
 
     public FreeformWorkspaceLayoutAlgorithm(Context context) {
+        reloadOnConfigurationChange(context);
+    }
+
+    /**
+     * Reloads the layout for the current configuration.
+     */
+    public void reloadOnConfigurationChange(Context context) {
         // This is applied to the edges of each task
         mTaskPadding = context.getResources().getDimensionPixelSize(
                 R.dimen.recents_freeform_workspace_task_padding) / 2;
@@ -72,8 +79,7 @@
                 }
                 // Bound the task width to the workspace width so that at the worst case, it will
                 // fit its own row
-                normalizedTaskWidths[i] = Math.min(rowTaskWidth,
-                        normalizedWorkspaceWidth);
+                normalizedTaskWidths[i] = Math.min(rowTaskWidth, normalizedWorkspaceWidth);
             }
 
             // Determine the scale to best fit each of the tasks in the workspace
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java
index 37b2859..e5022a4 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsTransitionHelper.java
@@ -105,9 +105,6 @@
             animStartedListener = new ActivityOptions.OnAnimationStartedListener() {
                 @Override
                 public void onAnimationStarted() {
-                    // If we are launching into another task, cancel the previous task's
-                    // window transition
-                    EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(task));
                     EventBus.getDefault().send(new ExitRecentsWindowFirstAnimationFrameEvent());
 
                     if (screenPinningRequested) {
@@ -149,6 +146,10 @@
                         animStartedListener);
             }
         }
+
+        // If we are launching into another task, cancel the previous task's
+        // window transition
+        EventBus.getDefault().send(new CancelEnterRecentsWindowAnimationEvent(task));
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index 5dde926..10f491e 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -192,7 +192,7 @@
         // If we are already occluded by the app, then just set the default background scrim now.
         // Otherwise, defer until the enter animation completes to animate the scrim with the
         // tasks for the home animation.
-        if (launchState.launchedWhileDocking || launchState.launchedFromAppWithThumbnail
+        if (launchState.launchedWhileDocking || launchState.launchedFromApp
                 || mStack.getTaskCount() == 0) {
             mBackgroundScrim.setAlpha((int) (DEFAULT_SCRIM_ALPHA * 255));
         } else {
@@ -671,7 +671,7 @@
 
     public final void onBusEvent(EnterRecentsWindowAnimationCompletedEvent event) {
         RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
-        if (!launchState.launchedWhileDocking && !launchState.launchedFromAppWithThumbnail
+        if (!launchState.launchedWhileDocking && !launchState.launchedFromApp
                 && mStack.getTaskCount() > 0) {
             animateBackgroundScrim(DEFAULT_SCRIM_ALPHA,
                     TaskStackAnimationHelper.ENTER_FROM_HOME_TRANSLATION_DURATION);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackAnimationHelper.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackAnimationHelper.java
index d152010..758f4d82 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackAnimationHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackAnimationHelper.java
@@ -56,8 +56,8 @@
         /**
          * Callback to start the animation for the launch target {@link TaskView}.
          */
-        void onStartLaunchTargetEnterAnimation(int duration, boolean screenPinningEnabled,
-                ReferenceCountedTrigger postAnimationTrigger);
+        void onStartLaunchTargetEnterAnimation(TaskViewTransform transform, int duration,
+                boolean screenPinningEnabled, ReferenceCountedTrigger postAnimationTrigger);
 
         /**
          * Callback to start the animation for the launch target {@link TaskView} when it is
@@ -141,7 +141,7 @@
                 tv.setVisibility(View.INVISIBLE);
             } else if (launchState.launchedHasConfigurationChanged) {
                 // Just load the views as-is
-            } else if (launchState.launchedFromAppWithThumbnail) {
+            } else if (launchState.launchedFromApp) {
                 if (task.isLaunchTarget) {
                     tv.onPrepareLaunchTargetForEnterAnimation();
                 } else if (currentTaskOccludesLaunchTarget) {
@@ -205,10 +205,11 @@
             stackLayout.getStackTransform(task, stackScroller.getStackScroll(), mTmpTransform,
                     null);
 
-            if (launchState.launchedFromAppWithThumbnail) {
+            if (launchState.launchedFromApp) {
                 if (task.isLaunchTarget) {
-                    tv.onStartLaunchTargetEnterAnimation(taskViewEnterFromAppDuration,
-                            mStackView.mScreenPinningEnabled, postAnimationTrigger);
+                    tv.onStartLaunchTargetEnterAnimation(mTmpTransform,
+                            taskViewEnterFromAppDuration, mStackView.mScreenPinningEnabled,
+                            postAnimationTrigger);
                 } else {
                     // Animate the task up if it was occluding the launch target
                     if (currentTaskOccludesLaunchTarget) {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
index 261b6f6..b60fca8c1 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackLayoutAlgorithm.java
@@ -29,6 +29,7 @@
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsActivityLaunchState;
 import com.android.systemui.recents.RecentsConfiguration;
+import com.android.systemui.recents.RecentsDebugFlags;
 import com.android.systemui.recents.misc.FreePathInterpolator;
 import com.android.systemui.recents.misc.SystemServicesProxy;
 import com.android.systemui.recents.misc.Utilities;
@@ -36,6 +37,7 @@
 import com.android.systemui.recents.model.TaskStack;
 
 import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Used to describe a visible range that can be normalized to [0, 1].
@@ -220,6 +222,10 @@
     private Range mUnfocusedRange;
     private Range mFocusedRange;
 
+    // The initial offset from the top of the stack
+    @ViewDebug.ExportedProperty(category="recents")
+    private int mInitialTopPeekHeight;
+
     // The offset from the top when scrolled to the top of the stack
     @ViewDebug.ExportedProperty(category="recents")
     private int mFocusedTopPeekHeight;
@@ -231,6 +237,10 @@
     @ViewDebug.ExportedProperty(category="recents")
     private int mStackTopOffset;
 
+    // The height of the header bar
+    @ViewDebug.ExportedProperty(category="recents")
+    private int mHeaderBarHeight;
+
     // The offset from the bottom of the stack to the bottom of the bounds when the stack is
     // scrolled to the front
     @ViewDebug.ExportedProperty(category="recents")
@@ -249,6 +259,9 @@
     private FreePathInterpolator mUnfocusedDimCurveInterpolator;
     private FreePathInterpolator mFocusedDimCurveInterpolator;
 
+    // Indexed from the front of the stack, the normalized x in the unfocused range for each task
+    private float[] mInitialNormX;
+
     // The state of the stack focus (0..1), which controls the transition of the stack from the
     // focused to non-focused state
     @ViewDebug.ExportedProperty(category="recents")
@@ -292,23 +305,32 @@
     TaskViewTransform mFrontOfStackTransform = new TaskViewTransform();
 
     public TaskStackLayoutAlgorithm(Context context, TaskStackLayoutAlgorithmCallbacks cb) {
-        Resources res = context.getResources();
         mContext = context;
         mCb = cb;
+        mFreeformLayoutAlgorithm = new FreeformWorkspaceLayoutAlgorithm(context);
+        reloadOnConfigurationChange(context);
+    }
 
+    /**
+     * Reloads the layout for the current configuration.
+     */
+    public void reloadOnConfigurationChange(Context context) {
+        Resources res = context.getResources();
         mFocusedRange = new Range(res.getFloat(R.integer.recents_layout_focused_range_min),
                 res.getFloat(R.integer.recents_layout_focused_range_max));
         mUnfocusedRange = new Range(res.getFloat(R.integer.recents_layout_unfocused_range_min),
                 res.getFloat(R.integer.recents_layout_unfocused_range_max));
-        mFocusState = getDefaultFocusState();
+        mFocusState = getInitialFocusState();
+        mInitialTopPeekHeight = res.getDimensionPixelSize(R.dimen.recents_initial_top_peek_size);
         mFocusedTopPeekHeight =
                 res.getDimensionPixelSize(R.dimen.recents_layout_focused_top_peek_size);
         mFocusedBottomTaskPeekHeight =
                 res.getDimensionPixelSize(R.dimen.recents_layout_focused_bottom_task_peek_size);
+        mHeaderBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
 
         mMinTranslationZ = res.getDimensionPixelSize(R.dimen.recents_task_view_z_min);
         mMaxTranslationZ = res.getDimensionPixelSize(R.dimen.recents_task_view_z_max);
-        mFreeformLayoutAlgorithm = new FreeformWorkspaceLayoutAlgorithm(context);
+        mFreeformLayoutAlgorithm.reloadOnConfigurationChange(context);
     }
 
     /**
@@ -316,7 +338,7 @@
      */
     public void reset() {
         mTaskIndexOverrideMap.clear();
-        setFocusState(getDefaultFocusState());
+        setFocusState(getInitialFocusState());
     }
 
     /**
@@ -439,46 +461,87 @@
             mTaskIndexMap.put(task.key.id, i);
         }
 
-        // Calculate the min/max scroll
-        if (getDefaultFocusState() > 0f) {
-            mMinScrollP = 0;
-            mMaxScrollP = Math.max(mMinScrollP, mNumStackTasks - 1);
-        } else {
-            if (!ssp.hasFreeformWorkspaceSupport() && mNumStackTasks == 1) {
-                mMinScrollP = mMaxScrollP = 0;
-            } else {
-                float bottomOffsetPct = (float) (mStackBottomOffset + mTaskRect.height()) /
-                        mStackRect.height();
-                float normX = mUnfocusedCurveInterpolator.getX(bottomOffsetPct);
-                mMinScrollP = 0;
-                mMaxScrollP = Math.max(mMinScrollP, (mNumStackTasks - 1) -
-                        Math.max(0, mUnfocusedRange.getAbsoluteX(normX)));
-            }
-        }
-
+        // Update the freeform tasks
         if (!freeformTasks.isEmpty()) {
             mFreeformLayoutAlgorithm.update(freeformTasks, this);
-            mInitialScrollP = mMaxScrollP;
-        } else {
-            Task launchTask = stack.getLaunchTarget();
-            int launchTaskIndex = launchTask != null
-                    ? stack.indexOfStackTask(launchTask)
-                    : mNumStackTasks - 1;
-            if (!ssp.hasFreeformWorkspaceSupport() && mNumStackTasks == 1) {
-                mInitialScrollP = mMinScrollP;
-            } else if (getDefaultFocusState() > 0f) {
-                if (launchState.launchedFromHome) {
-                    mInitialScrollP = Utilities.clamp(launchTaskIndex, mMinScrollP, mMaxScrollP);
-                } else {
-                    mInitialScrollP = Utilities.clamp(launchTaskIndex - 1, mMinScrollP,
-                            mMaxScrollP);
-                }
+        }
+
+        // Calculate the min/max/initial scroll
+        Task launchTask = stack.getLaunchTarget();
+        int launchTaskIndex = launchTask != null
+                ? stack.indexOfStackTask(launchTask)
+                : mNumStackTasks - 1;
+        if (getInitialFocusState() == STATE_FOCUSED) {
+            mMinScrollP = 0;
+            mMaxScrollP = Math.max(mMinScrollP, mNumStackTasks - 1);
+            if (launchState.launchedFromHome) {
+                mInitialScrollP = Utilities.clamp(launchTaskIndex, mMinScrollP, mMaxScrollP);
             } else {
-                float offsetPct = (float) (mTaskRect.height() / 3) / mStackRect.height();
-                float normX = mUnfocusedCurveInterpolator.getX(offsetPct);
-                mInitialScrollP = Utilities.clamp(launchTaskIndex -
-                        mUnfocusedRange.getAbsoluteX(normX), mMinScrollP, mMaxScrollP);
+                mInitialScrollP = Utilities.clamp(launchTaskIndex - 1, mMinScrollP, mMaxScrollP);
             }
+        } else if (!ssp.hasFreeformWorkspaceSupport() && mNumStackTasks == 1) {
+            // If there is one stack task, ignore the min/max/initial scroll positions
+            mMinScrollP = 0;
+            mMaxScrollP = 0;
+            mInitialScrollP = 0;
+        } else {
+            // Set the max scroll to be the point where the front most task is visible with the
+            // stack bottom offset
+            int maxBottomOffset = mStackBottomOffset + mTaskRect.height();
+            float maxBottomOffsetPct = (float) maxBottomOffset / mStackRect.height();
+            float maxBottomNormX = mUnfocusedCurveInterpolator.getX(maxBottomOffsetPct);
+            mUnfocusedRange.offset(0f);
+            mMinScrollP = 0;
+            mMaxScrollP = Math.max(mMinScrollP, (mNumStackTasks - 1) -
+                    Math.max(0, mUnfocusedRange.getAbsoluteX(maxBottomNormX)));
+            boolean scrollToFront = launchState.launchedFromHome ||
+                    launchState.launchedFromAppDocked;
+            if (scrollToFront) {
+                mInitialScrollP = Utilities.clamp(launchTaskIndex, mMinScrollP, mMaxScrollP);
+            } else {
+                mInitialScrollP = Utilities.clamp(launchTaskIndex - 1, mMinScrollP, mMaxScrollP);
+            }
+
+            // Set the initial scroll to the predefined state (which differs from the stack)
+            int initialPeekOffset = mStackRect.height() - mInitialTopPeekHeight;
+            float initialPeekOffsetPct = (float) initialPeekOffset / mStackRect.height();
+            float initialPeekOffsetNormX = mUnfocusedCurveInterpolator.getX(initialPeekOffsetPct);
+            float initialFocusedOffset = mStackRect.height() - mInitialTopPeekHeight -
+                    (mHeaderBarHeight * 1f) + 1;
+            float initialFocusedOffsetPct = (float) initialFocusedOffset / mStackRect.height();
+            float initialFocusedNormX = mUnfocusedCurveInterpolator.getX(initialFocusedOffsetPct);
+            int initialBottomOffset = mStackBottomOffset + mHeaderBarHeight;
+            float initialBottomOffsetPct = (float) initialBottomOffset / mStackRect.height();
+            float initialBottomNormX = mUnfocusedCurveInterpolator.getX(initialBottomOffsetPct);
+            /*
+            // If we want to offset the top card slightly
+            mInitialNormX = scrollToFront
+                    ? new float[] { initialFocusedNormX, initialPeekOffsetNormX, 0f }
+                    : new float[] { initialBottomNormX, initialFocusedNormX,
+                            initialPeekOffsetNormX, 0f };
+            */
+            mInitialNormX = scrollToFront
+                    ? new float[] { initialFocusedNormX, initialPeekOffsetNormX, 0f }
+                    : new float[] { initialBottomNormX, 0.5f, 0f };
+        }
+    }
+
+    public void updateToInitialState(List<Task> tasks) {
+        if (mInitialNormX == null) {
+            return;
+        }
+
+        RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState();
+        mUnfocusedRange.offset(0f);
+        int taskCount = tasks.size();
+        for (int i = taskCount - 1; i >= 0; i--) {
+            int indexFromFront = taskCount - i - 1;
+            if (indexFromFront >= mInitialNormX.length) {
+                break;
+            }
+            float newTaskProgress = mInitialScrollP +
+                    mUnfocusedRange.getAbsoluteX(mInitialNormX[indexFromFront]);
+            mTaskIndexOverrideMap.put(tasks.get(i).key.id, newTaskProgress);
         }
     }
 
@@ -500,6 +563,10 @@
         }
     }
 
+    public void clearUnfocusedTaskOverrides() {
+        mTaskIndexOverrideMap.clear();
+    }
+
     /**
      * Updates this stack when a scroll happens.
      */
@@ -523,7 +590,7 @@
             } else {
                 // Scrolling override x away from x, we should still move the scroll towards x
                 float deltaX = overrideX - x;
-                newOverrideX = Math.signum(deltaX) * (Math.abs(deltaX) - deltaScroll);
+                newOverrideX = Math.signum(deltaX) * (Math.abs(deltaX) - Math.abs(deltaScroll));
                 mTaskIndexOverrideMap.put(taskId, x + newOverrideX);
             }
         }
@@ -532,8 +599,13 @@
     /**
      * Returns the default focus state.
      */
-    public int getDefaultFocusState() {
-        return STATE_FOCUSED;
+    public int getInitialFocusState() {
+        RecentsDebugFlags debugFlags = Recents.getDebugFlags();
+        if (debugFlags.isPagingEnabled()) {
+            return STATE_FOCUSED;
+        } else {
+            return STATE_UNFOCUSED;
+        }
     }
 
     /**
@@ -577,7 +649,7 @@
         // Otherwise, walk backwards in the stack and count the number of tasks and visible
         // thumbnails and add that to the total freeform task count
         TaskViewTransform tmpTransform = new TaskViewTransform();
-        Range currentRange = getDefaultFocusState() > 0f ? mFocusedRange : mUnfocusedRange;
+        Range currentRange = getInitialFocusState() > 0f ? mFocusedRange : mUnfocusedRange;
         currentRange.offset(mInitialScrollP);
         int taskBarHeight = mContext.getResources().getDimensionPixelSize(
                 R.dimen.recents_task_bar_height);
@@ -635,11 +707,19 @@
     public TaskViewTransform getStackTransform(Task task, float stackScroll,
             TaskViewTransform transformOut, TaskViewTransform frontTransform) {
         return getStackTransform(task, stackScroll, mFocusState, transformOut, frontTransform,
-                false /* forceUpdate */);
+                false /* forceUpdate */, false /* ignoreTaskOverrides */);
+    }
+
+    public TaskViewTransform getStackTransform(Task task, float stackScroll,
+            TaskViewTransform transformOut, TaskViewTransform frontTransform,
+            boolean ignoreTaskOverrides) {
+        return getStackTransform(task, stackScroll, mFocusState, transformOut, frontTransform,
+                false /* forceUpdate */, ignoreTaskOverrides);
     }
 
     public TaskViewTransform getStackTransform(Task task, float stackScroll, int focusState,
-        TaskViewTransform transformOut, TaskViewTransform frontTransform, boolean forceUpdate) {
+            TaskViewTransform transformOut, TaskViewTransform frontTransform, boolean forceUpdate,
+            boolean ignoreTaskOverrides) {
         if (mFreeformLayoutAlgorithm.isTransformAvailable(task, this)) {
             mFreeformLayoutAlgorithm.getTransform(task, transformOut, this);
             return transformOut;
@@ -649,7 +729,9 @@
                 transformOut.reset();
                 return transformOut;
             }
-            float taskProgress = getStackScrollForTask(task);
+            float taskProgress = ignoreTaskOverrides
+                    ? mTaskIndexMap.get(task.key.id, 0)
+                    : getStackScrollForTask(task);
             getStackTransform(taskProgress, stackScroll, focusState, transformOut,
                     frontTransform, false /* ignoreSingleTaskCase */, forceUpdate);
             return transformOut;
@@ -851,8 +933,8 @@
         // The unfocused dim interpolator starts at max dim, reduces to zero at 0.5 (the focused
         // task), then goes back to max dim towards the front of the stack
         p.moveTo(0f, MAX_DIM);
-        p.cubicTo(0f, 0.1f, 0.4f, 0f, 0.5f, 0f);
-        p.cubicTo(0.6f, 0f, 0.9f, MAX_DIM - 0.1f, 1f, MAX_DIM / 2f);
+        p.cubicTo(0.1f, MAX_DIM, 0.4f, 0.0f, 0.5f, 0f);
+        p.cubicTo(0.6f, 0f, 0.9f, MAX_DIM / 2f, 1f, MAX_DIM / 2f);
         return p;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
index e1a81c8..c2bfc28 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -35,7 +35,6 @@
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.MutableBoolean;
-import android.util.SparseBooleanArray;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
@@ -56,6 +55,7 @@
 import com.android.systemui.recents.RecentsDebugFlags;
 import com.android.systemui.recents.events.EventBus;
 import com.android.systemui.recents.events.activity.CancelEnterRecentsWindowAnimationEvent;
+import com.android.systemui.recents.events.activity.ConfigurationChangedEvent;
 import com.android.systemui.recents.events.activity.DismissRecentsToHomeAnimationStarted;
 import com.android.systemui.recents.events.activity.EnterRecentsTaskStackAnimationCompletedEvent;
 import com.android.systemui.recents.events.activity.EnterRecentsWindowAnimationCompletedEvent;
@@ -73,7 +73,6 @@
 import com.android.systemui.recents.events.ui.AllTaskViewsDismissedEvent;
 import com.android.systemui.recents.events.ui.DeleteTaskDataEvent;
 import com.android.systemui.recents.events.ui.DismissTaskViewEvent;
-import com.android.systemui.recents.events.ui.StackViewScrolledEvent;
 import com.android.systemui.recents.events.ui.TaskViewDismissedEvent;
 import com.android.systemui.recents.events.ui.UpdateFreeformTaskViewVisibilityEvent;
 import com.android.systemui.recents.events.ui.UserInteractionEvent;
@@ -274,10 +273,18 @@
     }
 
     /** Returns the task stack. */
-    TaskStack getStack() {
+    public TaskStack getStack() {
         return mStack;
     }
 
+    /**
+     * Updates this TaskStackView to the initial state.
+     */
+    public void updateToInitialState() {
+        mStackScroller.setStackScrollToInitialState();
+        mLayoutAlgorithm.updateToInitialState(mStack.getStackTasks());
+    }
+
     /** Updates the list of task views */
     void updateTaskViewsList() {
         mTaskViews.clear();
@@ -355,7 +362,6 @@
         mAwaitingFirstLayout = true;
         mEnterAnimationComplete = false;
         mUIDozeTrigger.stopDozing();
-        mUIDozeTrigger.resetTrigger();
         mStackScroller.reset();
         mLayoutAlgorithm.reset();
         readSystemFlags();
@@ -410,7 +416,7 @@
      */
     int[] computeVisibleTaskTransforms(ArrayList<TaskViewTransform> taskTransforms,
             ArrayList<Task> tasks, float curStackScroll, float targetStackScroll,
-            ArraySet<Task.TaskKey> ignoreTasksSet) {
+            ArraySet<Task.TaskKey> ignoreTasksSet, boolean ignoreTaskOverrides) {
         int taskCount = tasks.size();
         int[] visibleTaskRange = mTmpIntPair;
         visibleTaskRange[0] = -1;
@@ -430,7 +436,7 @@
 
             // Calculate the current and (if necessary) the target transform for the task
             transform = mLayoutAlgorithm.getStackTransform(task, curStackScroll,
-                    taskTransforms.get(i), frontTransform);
+                    taskTransforms.get(i), frontTransform, ignoreTaskOverrides);
             if (useTargetStackScroll && !transform.visible) {
                 // If we have a target stack scroll and the task is not currently visible, then we
                 // just update the transform at the new scroll
@@ -468,11 +474,13 @@
 
     /**
      * Binds the visible {@link TaskView}s at the given target scroll.
-     *
-     * @see #bindVisibleTaskViews(float, ArraySet<Task.TaskKey>)
      */
     void bindVisibleTaskViews(float targetStackScroll) {
-        bindVisibleTaskViews(targetStackScroll, mIgnoreTasks);
+        bindVisibleTaskViews(targetStackScroll, mIgnoreTasks, false /* ignoreTaskOverrides */);
+    }
+
+    void bindVisibleTaskViews(float targetStackScroll, boolean ignoreTaskOverrides) {
+        bindVisibleTaskViews(targetStackScroll, mIgnoreTasks, ignoreTaskOverrides);
     }
 
     /**
@@ -487,12 +495,16 @@
      *                          target stack scroll.
      * @param ignoreTasksSet The set of tasks to ignore in this rebinding of the visible
      *                       {@link TaskView}s
+     * @param ignoreTaskOverrides If set, the visible task computation will get the transforms for
+     *                            tasks at their non-overridden task progress
      */
-    void bindVisibleTaskViews(float targetStackScroll, ArraySet<Task.TaskKey> ignoreTasksSet) {
+    void bindVisibleTaskViews(float targetStackScroll, ArraySet<Task.TaskKey> ignoreTasksSet,
+            boolean ignoreTaskOverrides) {
         // Get all the task transforms
         ArrayList<Task> tasks = mStack.getStackTasks();
         int[] visibleTaskRange = computeVisibleTaskTransforms(mCurrentTaskTransforms, tasks,
-                mStackScroller.getStackScroll(), targetStackScroll, ignoreTasksSet);
+                mStackScroller.getStackScroll(), targetStackScroll, ignoreTasksSet,
+                ignoreTaskOverrides);
 
         // Return all the invisible children to the pool
         mTmpTaskViewMap.clear();
@@ -605,7 +617,8 @@
         cancelAllTaskViewAnimations();
 
         // Synchronize the current set of TaskViews
-        bindVisibleTaskViews(mStackScroller.getStackScroll(), ignoreTasksSet);
+        bindVisibleTaskViews(mStackScroller.getStackScroll(), ignoreTasksSet,
+                false /* ignoreTaskOverrides */);
 
         // Animate them to their final transforms with the given animation
         List<TaskView> taskViews = getTaskViews();
@@ -657,7 +670,8 @@
                 transform.fillIn(tv);
             } else {
                 mLayoutAlgorithm.getStackTransform(task, mStackScroller.getStackScroll(),
-                        focusState, transform, null, true /* forceUpdate */);
+                        focusState, transform, null, true /* forceUpdate */,
+                        false /* ignoreTaskOverrides */);
             }
             transform.visible = true;
         }
@@ -674,7 +688,7 @@
             Task task = tasks.get(i);
             TaskViewTransform transform = transformsOut.get(i);
             mLayoutAlgorithm.getStackTransform(task, stackScroll, focusState, transform, null,
-                    true /* forceUpdate */);
+                    true /* forceUpdate */, true /* ignoreTaskOverrides */);
             transform.visible = true;
         }
     }
@@ -759,9 +773,7 @@
                 }
             }
             tv.getViewBounds().setClipBottom(clipBottom);
-            if (!config.useHardwareLayers) {
-                tv.mThumbnailView.updateThumbnailVisibility(clipBottom - tv.getPaddingBottom());
-            }
+            tv.mThumbnailView.updateThumbnailVisibility(clipBottom - tv.getPaddingBottom());
             prevVisibleTv = tv;
         }
         mTaskViewsClipDirty = false;
@@ -860,6 +872,7 @@
                     cancelAllTaskViewAnimations();
                 }
 
+                mLayoutAlgorithm.clearUnfocusedTaskOverrides();
                 willScroll = mAnimationHelper.startScrollToFocusedTaskAnimation(newFocusedTask,
                         requestViewFocus);
             } else {
@@ -1162,11 +1175,16 @@
 
         // If this is the first layout, then scroll to the front of the stack, then update the
         // TaskViews with the stack so that we can lay them out
-        if (mAwaitingFirstLayout) {
-            mStackScroller.setStackScrollToInitialState();
+        // TODO: The second check is a workaround for wacky layouts that we get while docking via
+        //       long pressing the recents button
+        if (mAwaitingFirstLayout ||
+                (mStackScroller.getStackScroll() == mLayoutAlgorithm.mInitialScrollP)) {
+            updateToInitialState();
         }
+
         // Rebind all the views, including the ignore ones
-        bindVisibleTaskViews(mStackScroller.getStackScroll(), EMPTY_TASK_SET);
+        bindVisibleTaskViews(mStackScroller.getStackScroll(), EMPTY_TASK_SET,
+                false /* ignoreTaskOverrides */);
 
         // Measure each of the TaskViews
         mTmpTaskViews.clear();
@@ -1458,7 +1476,7 @@
         Recents.getTaskLoader().loadTaskData(task, true /* fetchAndInvalidateThumbnails */);
 
         // If the doze trigger has already fired, then update the state for this task view
-        if (mUIDozeTrigger.hasTriggered()) {
+        if (mUIDozeTrigger.isAsleep()) {
             tv.setNoUserInteractionState();
         }
 
@@ -1859,6 +1877,12 @@
         });
     }
 
+    public final void onBusEvent(ConfigurationChangedEvent event) {
+        mLayoutAlgorithm.reloadOnConfigurationChange(getContext());
+        mLayoutAlgorithm.initialize(mStackBounds,
+                TaskStackLayoutAlgorithm.StackState.getStackStateForStack(mStack));
+    }
+
     /**
      * Removes the task from the stack, and updates the focus to the next task in the stack if the
      * removed TaskView was focused.
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
index 333df9d..ad46abd 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewScroller.java
@@ -115,13 +115,8 @@
      * @return whether the stack progress changed.
      */
     public boolean setStackScrollToInitialState() {
-        SystemServicesProxy ssp = Recents.getSystemServices();
         float prevStackScrollP = mStackScrollP;
-        if (ssp.hasDockedTask()) {
-            setStackScroll(mLayoutAlgorithm.mMaxScrollP);
-        } else {
-            setStackScroll(mLayoutAlgorithm.mInitialScrollP);
-        }
+        setStackScroll(mLayoutAlgorithm.mInitialScrollP);
         return Float.compare(prevStackScrollP, mStackScrollP) != 0;
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
index 20933ee..52f8fc8 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackViewTouchHandler.java
@@ -446,7 +446,7 @@
             }
 
             // Pick up the newly visible views, not including the deleting tasks
-            mSv.bindVisibleTaskViews(newStackScroll);
+            mSv.bindVisibleTaskViews(newStackScroll, true /* ignoreTaskOverrides */);
 
             // Get the final set of task transforms (with task removed)
             mSv.getLayoutTaskTransforms(newStackScroll, TaskStackLayoutAlgorithm.STATE_UNFOCUSED,
@@ -486,6 +486,7 @@
         mSv.getScroller().setStackScroll(mTargetStackScroll, null);
         // Update the focus state to the final focus state
         mSv.getStackAlgorithm().setFocusState(TaskStackLayoutAlgorithm.STATE_UNFOCUSED);
+        mSv.getStackAlgorithm().clearUnfocusedTaskOverrides();
         // Remove the task view from the stack
         EventBus.getDefault().send(new TaskViewDismissedEvent(tv.getTask(), tv));
         // Stop tracking this deletion animation
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
index 2e7c7f2..e9c7ac6 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
@@ -77,6 +77,24 @@
 
     /**
      * The dim overlay is generally calculated from the task progress, but occasionally (like when
+     * launching) needs to be animated independently of the task progress.  This call is only used
+     * when animating the task into Recents, when the header dim is already applied
+     */
+    public static final Property<TaskView, Float> DIM_ALPHA_WITHOUT_HEADER =
+            new FloatProperty<TaskView>("dimAlphaWithoutHeader") {
+                @Override
+                public void setValue(TaskView tv, float dimAlpha) {
+                    tv.setDimAlphaWithoutHeader(dimAlpha);
+                }
+
+                @Override
+                public Float get(TaskView tv) {
+                    return tv.getDimAlpha();
+                }
+            };
+
+    /**
+     * The dim overlay is generally calculated from the task progress, but occasionally (like when
      * launching) needs to be animated independently of the task progress.
      */
     public static final Property<TaskView, Float> DIM_ALPHA =
@@ -388,21 +406,17 @@
      * Sets the current dim.
      */
     public void setDimAlpha(float dimAlpha) {
-        RecentsConfiguration config = Recents.getConfiguration();
-
-        int dimAlphaInt = (int) (dimAlpha * 255);
         mDimAlpha = dimAlpha;
-        if (config.useHardwareLayers) {
-            // Defer setting hardware layers if we have not yet measured, or there is no dim to draw
-            if (getMeasuredWidth() > 0 && getMeasuredHeight() > 0) {
-                mDimColorFilter.setColor(Color.argb(dimAlphaInt, 0, 0, 0));
-                mDimLayerPaint.setColorFilter(mDimColorFilter);
-                mContent.setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
-            }
-        } else {
-            mThumbnailView.setDimAlpha(dimAlpha);
-            mHeaderView.setDimAlpha(dimAlpha);
-        }
+        mThumbnailView.setDimAlpha(dimAlpha);
+        mHeaderView.setDimAlpha(dimAlpha);
+    }
+
+    /**
+     * Sets the current dim without updating the header's dim.
+     */
+    public void setDimAlphaWithoutHeader(float dimAlpha) {
+        mDimAlpha = dimAlpha;
+        mThumbnailView.setDimAlpha(dimAlpha);
     }
 
     /**
@@ -413,25 +427,6 @@
     }
 
     /**
-     * Animates the dim to the given value.
-     */
-    void animateDimAlpha(float toDimAlpha, AnimationProps animation) {
-        // Animate the dim into view as well
-        if (Float.compare(toDimAlpha, getDimAlpha()) != 0) {
-            Animator anim = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this,
-                    DIM_ALPHA, getDimAlpha(), toDimAlpha));
-            if (animation.getListener() != null) {
-                anim.addListener(animation.getListener());
-            }
-            anim.start();
-        } else {
-            if (animation.getListener() != null) {
-                animation.getListener().onAnimationEnd(null);
-            }
-        }
-    }
-
-    /**
      * Explicitly sets the focused state of this task.
      */
     public void setFocusedState(boolean isFocused, boolean requestViewFocus) {
@@ -517,18 +512,20 @@
     @Override
     public void onPrepareLaunchTargetForEnterAnimation() {
         // These values will be animated in when onStartLaunchTargetEnterAnimation() is called
-        setDimAlpha(0);
+        setDimAlphaWithoutHeader(0);
         mActionButtonView.setAlpha(0f);
     }
 
     @Override
-    public void onStartLaunchTargetEnterAnimation(int duration, boolean screenPinningEnabled,
-            ReferenceCountedTrigger postAnimationTrigger) {
-        // Un-dim the view before/while launching the target
-        AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT)
-                .setListener(postAnimationTrigger.decrementOnAnimationEnd());
+    public void onStartLaunchTargetEnterAnimation(TaskViewTransform transform, int duration,
+            boolean screenPinningEnabled, ReferenceCountedTrigger postAnimationTrigger) {
+        // Dim the view after the app window transitions down into recents
         postAnimationTrigger.increment();
-        animateDimAlpha(0, animation);
+        AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT);
+        Animator anim = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this,
+                DIM_ALPHA_WITHOUT_HEADER, getDimAlpha(), transform.dimAlpha));
+        anim.addListener(postAnimationTrigger.decrementOnAnimationEnd());
+        anim.start();
 
         if (screenPinningEnabled) {
             showActionButton(true /* fadeIn */, duration /* fadeInDuration */);
@@ -540,7 +537,9 @@
             ReferenceCountedTrigger postAnimationTrigger) {
         // Un-dim the view before/while launching the target
         AnimationProps animation = new AnimationProps(duration, Interpolators.ALPHA_OUT);
-        animateDimAlpha(0, animation);
+        Animator anim = animation.apply(AnimationProps.DIM_ALPHA, ObjectAnimator.ofFloat(this,
+                DIM_ALPHA, getDimAlpha(), 0));
+        anim.start();
 
         postAnimationTrigger.increment();
         hideActionButton(true /* fadeOut */, duration,
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
index 05a8527..b2a7d90 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
@@ -347,9 +347,11 @@
      * Sets the dim alpha, only used when we are not using hardware layers.
      * (see RecentsConfiguration.useHardwareLayers)
      */
-    void setDimAlpha(float dimAlpha) {
-        mDimAlpha = dimAlpha;
-        updateBackgroundColor(mBackground.getColor(), dimAlpha);
+    public void setDimAlpha(float dimAlpha) {
+        if (Float.compare(mDimAlpha, dimAlpha) != 0) {
+            mDimAlpha = dimAlpha;
+            updateBackgroundColor(mBackground.getColor(), dimAlpha);
+        }
     }
 
     /**
@@ -377,7 +379,9 @@
         int primaryColor = disabledInSafeMode
                 ? mDisabledTaskBarBackgroundColor
                 : t.colorPrimary;
-        updateBackgroundColor(primaryColor, mDimAlpha);
+        if (mBackground.getColor() != primaryColor) {
+            updateBackgroundColor(primaryColor, mDimAlpha);
+        }
         if (t.icon != null) {
             mIconView.setImageDrawable(t.icon);
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
index 84b84e2..12a83fd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java
@@ -105,7 +105,6 @@
     private boolean mClearable;
     private ExpansionLogger mLogger;
     private String mLoggingKey;
-    private boolean mWasReset;
     private NotificationSettingsIconRow mSettingsIconRow;
     private NotificationGuts mGuts;
     private NotificationData.Entry mEntry;
@@ -615,20 +614,16 @@
         mShowingPublicInitialized = false;
         mIsSystemExpanded = false;
         mOnKeyguard = false;
-        mPublicLayout.reset(mIsHeadsUp);
-        mPrivateLayout.reset(mIsHeadsUp);
+        mPublicLayout.reset();
+        mPrivateLayout.reset();
         resetHeight();
         resetTranslation();
         logExpansionEvent(false, wasExpanded);
     }
 
     public void resetHeight() {
-        if (mIsHeadsUp) {
-            resetActualHeight();
-        }
         mMaxExpandHeight = 0;
         mHeadsUpHeight = 0;
-        mWasReset = true;
         onHeightReset();
         requestLayout();
     }
@@ -964,18 +959,6 @@
         return mStatusBarNotification != null && mStatusBarNotification.isClearable();
     }
 
-    /**
-     * Apply an expansion state to the layout.
-     */
-    public void applyExpansionToLayout() {
-        boolean expand = isExpanded();
-        if (expand && mExpandable) {
-            setActualHeight(mMaxExpandHeight);
-        } else {
-            setActualHeight(getMinHeight());
-        }
-    }
-
     @Override
     public int getIntrinsicHeight() {
         if (isUserLocked()) {
@@ -1057,12 +1040,7 @@
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         super.onLayout(changed, left, top, right, bottom);
-        boolean updateExpandHeight = mMaxExpandHeight == 0 && !mWasReset;
         updateMaxHeights();
-        if (updateExpandHeight) {
-            applyExpansionToLayout();
-        }
-        mWasReset = false;
     }
 
     private void updateMaxHeights() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
index b2c632b..c0e4340 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
@@ -36,7 +36,6 @@
     protected OnHeightChangedListener mOnHeightChangedListener;
     private int mActualHeight;
     protected int mClipTopAmount;
-    private boolean mActualHeightInitialized;
     private boolean mDark;
     private ArrayList<View> mMatchParentViews = new ArrayList<View>();
     private int mClipTopOptimization;
@@ -99,28 +98,9 @@
     @Override
     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
         super.onLayout(changed, left, top, right, bottom);
-        if (!mActualHeightInitialized && mActualHeight == 0) {
-            int initialHeight = getInitialHeight();
-            if (initialHeight != 0) {
-                setActualHeight(initialHeight);
-            }
-        }
         updateClipping();
     }
 
-    /**
-     * Resets the height of the view on the next layout pass
-     */
-    protected void resetActualHeight() {
-        mActualHeight = 0;
-        mActualHeightInitialized = false;
-        requestLayout();
-    }
-
-    protected int getInitialHeight() {
-        return getHeight();
-    }
-
     @Override
     public boolean pointInView(float localX, float localY, float slop) {
         float top = mClipTopAmount;
@@ -137,7 +117,6 @@
      * @param notifyListeners Whether the listener should be informed about the change.
      */
     public void setActualHeight(int actualHeight, boolean notifyListeners) {
-        mActualHeightInitialized = true;
         mActualHeight = actualHeight;
         updateClipping();
         if (notifyListeners) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
index 61105f8..b94c15b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java
@@ -120,7 +120,7 @@
                 R.dimen.min_notification_layout_height);
         mNotificationContentMarginEnd = getResources().getDimensionPixelSize(
                 com.android.internal.R.dimen.notification_content_margin_end);
-        reset(true);
+        reset();
     }
 
     public void setHeights(int smallHeight, int headsUpMaxHeight, int maxHeight) {
@@ -255,7 +255,7 @@
         updateVisibility();
     }
 
-    public void reset(boolean resetActualHeight) {
+    public void reset() {
         if (mContractedChild != null) {
             mContractedChild.animate().cancel();
             removeView(mContractedChild);
@@ -271,10 +271,6 @@
         mContractedChild = null;
         mExpandedChild = null;
         mHeadsUpChild = null;
-        mVisibleType = VISIBLE_TYPE_CONTRACTED;
-        if (resetActualHeight) {
-            mContentHeight = mSmallHeight;
-        }
     }
 
     public View getContractedChild() {
@@ -484,12 +480,18 @@
     private void animateToVisibleType(int visibleType) {
         final TransformableView shownView = getTransformableViewForVisibleType(visibleType);
         final TransformableView hiddenView = getTransformableViewForVisibleType(mVisibleType);
+        if (shownView == hiddenView) {
+            shownView.setVisible(true);
+            return;
+        }
         shownView.transformFrom(hiddenView);
         getViewForVisibleType(visibleType).setVisibility(View.VISIBLE);
         hiddenView.transformTo(shownView, new Runnable() {
             @Override
             public void run() {
-                hiddenView.setVisible(false);
+                if (hiddenView != getTransformableViewForVisibleType(mVisibleType)) {
+                    hiddenView.setVisible(false);
+                }
             }
         });
     }
@@ -550,6 +552,9 @@
                     || mContainingNotification.isExpanded()
                     ? mContainingNotification.getMaxContentHeight()
                     : mContainingNotification.getShowingLayout().getMinHeight();
+            if (height == 0) {
+                height = mContentHeight;
+            }
             int expandedVisualType = getVisualTypeForHeight(height);
             int collapsedVisualType = getVisualTypeForHeight(
                     mContainingNotification.getMinExpandHeight());
@@ -557,7 +562,12 @@
                     ? expandedVisualType
                     : collapsedVisualType;
         }
-        int viewHeight = Math.min(mContentHeight, mContainingNotification.getIntrinsicHeight());
+        int intrinsicHeight = mContainingNotification.getIntrinsicHeight();
+        int viewHeight = mContentHeight;
+        if (intrinsicHeight != 0) {
+            // the intrinsicHeight might be 0 because it was just reset.
+            viewHeight = Math.min(mContentHeight, intrinsicHeight);
+        }
         return getVisualTypeForHeight(viewHeight);
     }
 
@@ -638,7 +648,6 @@
         mBeforeN = entry.targetSdk < Build.VERSION_CODES.N;
         updateSingleLineView();
         applyRemoteInput(entry);
-        selectLayout(false /* animate */, true /* force */);
         if (mContractedChild != null) {
             mContractedWrapper.notifyContentUpdated(entry.notification);
         }
@@ -648,6 +657,7 @@
         if (mHeadsUpChild != null) {
             mHeadsUpWrapper.notifyContentUpdated(entry.notification);
         }
+        selectLayout(false /* animate */, true /* force */);
         setDark(mDark, false /* animate */, 0 /* delay */);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java b/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
index bf05d1d..66f945e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ViewTransformationHelper.java
@@ -76,26 +76,26 @@
         });
         mViewTransformationAnimation.setInterpolator(Interpolators.LINEAR);
         mViewTransformationAnimation.setDuration(StackStateAnimator.ANIMATION_DURATION_STANDARD);
-        if (endRunnable != null) {
-            mViewTransformationAnimation.addListener(new AnimatorListenerAdapter() {
-                public boolean mCancelled;
+        mViewTransformationAnimation.addListener(new AnimatorListenerAdapter() {
+            public boolean mCancelled;
 
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    endRunnable.run();
-                    if (!mCancelled) {
-                        setVisible(false);
-                    } else {
-                        abortTransformations();
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                if (!mCancelled) {
+                    if (endRunnable != null) {
+                        endRunnable.run();
                     }
+                    setVisible(false);
+                } else {
+                    abortTransformations();
                 }
+            }
 
-                @Override
-                public void onAnimationCancel(Animator animation) {
-                    mCancelled = true;
-                }
-            });
-        }
+            @Override
+            public void onAnimationCancel(Animator animation) {
+                mCancelled = true;
+            }
+        });
         mViewTransformationAnimation.start();
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java b/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java
index 61135bd..26e1d46 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java
@@ -20,6 +20,8 @@
 import android.provider.Settings;
 
 import com.android.internal.logging.MetricsProto.MetricsEvent;
+import com.android.systemui.Prefs;
+import com.android.systemui.Prefs.Key;
 import com.android.systemui.R;
 import com.android.systemui.qs.QSTile;
 import com.android.systemui.statusbar.policy.NightModeController;
@@ -46,6 +48,12 @@
     }
 
     @Override
+    public boolean isAvailable() {
+        return Prefs.getBoolean(mContext, Key.QS_NIGHT_ADDED, false)
+                && TunerService.isTunerEnabled(mContext);
+    }
+
+    @Override
     public void setListening(boolean listening) {
         if (listening) {
             mNightModeController.addListener(this);
diff --git a/services/core/java/com/android/server/InputMethodManagerService.java b/services/core/java/com/android/server/InputMethodManagerService.java
index 63c9822..3b6c62b 100644
--- a/services/core/java/com/android/server/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/InputMethodManagerService.java
@@ -1960,14 +1960,6 @@
             throw new IllegalArgumentException("Unknown id: " + id);
         }
 
-        if (mCurClient != null && mCurAttribute != null) {
-            // We have already made sure that the package name belongs to the application's UID.
-            // No further UID check is required.
-            if (SystemConfig.getInstance().getFixedImeApps().contains(mCurAttribute.packageName)) {
-                return;
-            }
-        }
-
         // See if we need to notify a subtype change within the same IME.
         if (id.equals(mCurMethodId)) {
             final int subtypeCount = info.getSubtypeCount();
diff --git a/services/core/java/com/android/server/NetworkManagementService.java b/services/core/java/com/android/server/NetworkManagementService.java
index 799d0bd..329f716 100644
--- a/services/core/java/com/android/server/NetworkManagementService.java
+++ b/services/core/java/com/android/server/NetworkManagementService.java
@@ -22,8 +22,10 @@
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_DOZABLE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NAME_DOZABLE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NAME_NONE;
+import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NAME_POWERSAVE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NAME_STANDBY;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_NONE;
+import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_POWERSAVE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_STANDBY;
 import static android.net.NetworkPolicyManager.FIREWALL_RULE_DEFAULT;
 import static android.net.NetworkPolicyManager.FIREWALL_TYPE_BLACKLIST;
@@ -43,7 +45,6 @@
 import static com.android.server.NetworkManagementService.NetdResponseCode.TetheringStatsListResult;
 import static com.android.server.NetworkManagementService.NetdResponseCode.TtyListResult;
 import static com.android.server.NetworkManagementSocketTagger.PROP_QTAGUID_ENABLED;
-
 import android.annotation.NonNull;
 import android.app.ActivityManagerNative;
 import android.content.Context;
@@ -226,6 +227,12 @@
      */
     @GuardedBy("mQuotaLock")
     private SparseIntArray mUidFirewallDozableRules = new SparseIntArray();
+    /**
+     * Set of UIDs that are to be blocked/allowed by firewall controller.  This set of Ids matches
+     * to device on power-save mode.
+     */
+    @GuardedBy("mQuotaLock")
+    private SparseIntArray mUidFirewallPowerSaveRules = new SparseIntArray();
     /** Set of states for the child firewall chains. True if the chain is active. */
     @GuardedBy("mQuotaLock")
     final SparseBooleanArray mFirewallChainStates = new SparseBooleanArray();
@@ -286,8 +293,8 @@
         Watchdog.getInstance().addMonitor(this);
     }
 
-    static NetworkManagementService create(Context context,
-            String socket) throws InterruptedException {
+    static NetworkManagementService create(Context context, String socket)
+            throws InterruptedException {
         final NetworkManagementService service = new NetworkManagementService(context, socket);
         final CountDownLatch connectedSignal = service.mConnectedSignal;
         if (DBG) Slog.d(TAG, "Creating NetworkManagementService");
@@ -303,8 +310,15 @@
     }
 
     public void systemReady() {
-        prepareNativeDaemon();
-        if (DBG) Slog.d(TAG, "Prepared");
+        if (DBG) {
+            final long start = System.currentTimeMillis();
+            prepareNativeDaemon();
+            final long delta = System.currentTimeMillis() - start;
+            Slog.d(TAG, "Prepared in " + delta + "ms");
+            return;
+        } else {
+            prepareNativeDaemon();
+        }
     }
 
     private IBatteryStats getBatteryStats() {
@@ -339,8 +353,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).interfaceStatusChanged(iface, up);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -358,8 +371,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).interfaceLinkStateChanged(iface, up);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -376,8 +388,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).interfaceAdded(iface);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -399,8 +410,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).interfaceRemoved(iface);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -417,8 +427,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).limitReached(limitName, iface);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -476,8 +485,7 @@
                     try {
                         mObservers.getBroadcastItem(i).interfaceClassDataActivityChanged(
                                 Integer.toString(type), isActive, tsNanos);
-                    } catch (RemoteException e) {
-                    } catch (RuntimeException e) {
+                    } catch (RemoteException | RuntimeException e) {
                     }
                 }
             } finally {
@@ -520,7 +528,7 @@
                 Log.wtf(TAG, "problem enabling bandwidth controls", e);
             }
         } else {
-            Slog.d(TAG, "not enabling bandwidth control");
+            Slog.i(TAG, "not enabling bandwidth control");
         }
 
         SystemProperties.set(PROP_QTAGUID_ENABLED, mBandwidthControlEnabled ? "1" : "0");
@@ -543,7 +551,7 @@
         synchronized (mQuotaLock) {
             int size = mActiveQuotas.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active quota rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active quota rules");
                 final HashMap<String, Long> activeQuotas = mActiveQuotas;
                 mActiveQuotas = Maps.newHashMap();
                 for (Map.Entry<String, Long> entry : activeQuotas.entrySet()) {
@@ -553,7 +561,7 @@
 
             size = mActiveAlerts.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active alert rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active alert rules");
                 final HashMap<String, Long> activeAlerts = mActiveAlerts;
                 mActiveAlerts = Maps.newHashMap();
                 for (Map.Entry<String, Long> entry : activeAlerts.entrySet()) {
@@ -563,7 +571,7 @@
 
             size = mUidRejectOnQuota.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active UID rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active UID rules");
                 final SparseBooleanArray uidRejectOnQuota = mUidRejectOnQuota;
                 mUidRejectOnQuota = new SparseBooleanArray();
                 for (int i = 0; i < uidRejectOnQuota.size(); i++) {
@@ -573,7 +581,7 @@
 
             size = mUidCleartextPolicy.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active UID cleartext policies");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active UID cleartext policies");
                 final SparseIntArray local = mUidCleartextPolicy;
                 mUidCleartextPolicy = new SparseIntArray();
                 for (int i = 0; i < local.size(); i++) {
@@ -585,7 +593,7 @@
 
             size = mUidFirewallRules.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active firewall UID rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active firewall UID rules");
                 final SparseIntArray uidFirewallRules = mUidFirewallRules;
                 mUidFirewallRules = new SparseIntArray();
                 for (int i = 0; i < uidFirewallRules.size(); i++) {
@@ -596,7 +604,7 @@
 
             size = mUidFirewallStandbyRules.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active firewall standby UID rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active firewall standby UID rules");
                 final SparseIntArray uidFirewallRules = mUidFirewallStandbyRules;
                 mUidFirewallStandbyRules = new SparseIntArray();
                 for (int i = 0; i < uidFirewallRules.size(); i++) {
@@ -610,7 +618,7 @@
 
             size = mUidFirewallDozableRules.size();
             if (size > 0) {
-                Slog.d(TAG, "Pushing " + size + " active firewall dozable UID rules");
+                if (DBG) Slog.d(TAG, "Pushing " + size + " active firewall dozable UID rules");
                 final SparseIntArray uidFirewallRules = mUidFirewallDozableRules;
                 mUidFirewallDozableRules = new SparseIntArray();
                 for (int i = 0; i < uidFirewallRules.size(); i++) {
@@ -621,6 +629,20 @@
             if (mFirewallChainStates.get(FIREWALL_CHAIN_DOZABLE)) {
                 setFirewallChainEnabled(FIREWALL_CHAIN_DOZABLE, true);
             }
+
+            size = mUidFirewallPowerSaveRules.size();
+            if (size > 0) {
+                Slog.d(TAG, "Pushing " + size + " active firewall powersave UID rules");
+                final SparseIntArray uidFirewallRules = mUidFirewallPowerSaveRules;
+                mUidFirewallPowerSaveRules = new SparseIntArray();
+                for (int i = 0; i < uidFirewallRules.size(); i++) {
+                    setFirewallUidRuleInternal(FIREWALL_CHAIN_POWERSAVE, uidFirewallRules.keyAt(i),
+                            uidFirewallRules.valueAt(i));
+                }
+            }
+            if (mFirewallChainStates.get(FIREWALL_CHAIN_POWERSAVE)) {
+                setFirewallChainEnabled(FIREWALL_CHAIN_POWERSAVE, true);
+            }
         }
     }
 
@@ -633,8 +655,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).addressUpdated(iface, address);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -651,8 +672,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mObservers.getBroadcastItem(i).addressRemoved(iface, address);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -670,8 +690,7 @@
                 try {
                     mObservers.getBroadcastItem(i).interfaceDnsServerInfo(iface, lifetime,
                         addresses);
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -692,8 +711,7 @@
                     } else {
                         mObservers.getBroadcastItem(i).routeRemoved(route);
                     }
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -1210,7 +1228,7 @@
         // TODO: remove from aidl if nobody calls externally
         mContext.enforceCallingOrSelfPermission(SHUTDOWN, TAG);
 
-        Slog.d(TAG, "Shutting down");
+        Slog.i(TAG, "Shutting down");
     }
 
     @Override
@@ -2023,6 +2041,9 @@
                     case FIREWALL_CHAIN_DOZABLE:
                         chainName = FIREWALL_CHAIN_NAME_DOZABLE;
                         break;
+                    case FIREWALL_CHAIN_POWERSAVE:
+                        chainName = FIREWALL_CHAIN_NAME_POWERSAVE;
+                        break;
                     default:
                         throw new IllegalArgumentException("Bad child chain: " + chain);
                 }
@@ -2039,6 +2060,8 @@
                 return FIREWALL_TYPE_BLACKLIST;
             case FIREWALL_CHAIN_DOZABLE:
                 return FIREWALL_TYPE_WHITELIST;
+            case FIREWALL_CHAIN_POWERSAVE:
+                return FIREWALL_TYPE_WHITELIST;
             default:
                 return isFirewallEnabled() ? FIREWALL_TYPE_WHITELIST : FIREWALL_TYPE_BLACKLIST;
         }
@@ -2138,6 +2161,8 @@
                 return mUidFirewallStandbyRules;
             case FIREWALL_CHAIN_DOZABLE:
                 return mUidFirewallDozableRules;
+            case FIREWALL_CHAIN_POWERSAVE:
+                return mUidFirewallPowerSaveRules;
             case FIREWALL_CHAIN_NONE:
                 return mUidFirewallRules;
             default:
@@ -2151,6 +2176,8 @@
                 return FIREWALL_CHAIN_NAME_STANDBY;
             case FIREWALL_CHAIN_DOZABLE:
                 return FIREWALL_CHAIN_NAME_DOZABLE;
+            case FIREWALL_CHAIN_POWERSAVE:
+                return FIREWALL_CHAIN_NAME_POWERSAVE;
             case FIREWALL_CHAIN_NONE:
                 return FIREWALL_CHAIN_NAME_NONE;
             default:
@@ -2225,8 +2252,7 @@
             for (int i = 0; i < length; i++) {
                 try {
                     mNetworkActivityListeners.getBroadcastItem(i).onNetworkActive();
-                } catch (RemoteException e) {
-                } catch (RuntimeException e) {
+                } catch (RemoteException | RuntimeException e) {
                 }
             }
         } finally {
@@ -2271,43 +2297,25 @@
         }
 
         synchronized (mUidFirewallRules) {
-            pw.print("UID firewall rule: [");
-            final int size = mUidFirewallRules.size();
-            for (int i = 0; i < size; i++) {
-                pw.print(mUidFirewallRules.keyAt(i));
-                pw.print(":");
-                pw.print(mUidFirewallRules.valueAt(i));
-                if (i < size - 1) pw.print(",");
-            }
-            pw.println("]");
+            dumpUidFirewallRule(pw, "", mUidFirewallRules);
         }
 
         pw.println("UID firewall standby chain enabled: " +
                 mFirewallChainStates.get(FIREWALL_CHAIN_STANDBY));
         synchronized (mUidFirewallStandbyRules) {
-            pw.print("UID firewall standby rule: [");
-            final int size = mUidFirewallStandbyRules.size();
-            for (int i = 0; i < size; i++) {
-                pw.print(mUidFirewallStandbyRules.keyAt(i));
-                pw.print(":");
-                pw.print(mUidFirewallStandbyRules.valueAt(i));
-                if (i < size - 1) pw.print(",");
-            }
-            pw.println("]");
+            dumpUidFirewallRule(pw, FIREWALL_CHAIN_NAME_STANDBY, mUidFirewallStandbyRules);
         }
 
         pw.println("UID firewall dozable chain enabled: " +
                 mFirewallChainStates.get(FIREWALL_CHAIN_DOZABLE));
         synchronized (mUidFirewallDozableRules) {
-            pw.print("UID firewall dozable rule: [");
-            final int size = mUidFirewallDozableRules.size();
-            for (int i = 0; i < size; i++) {
-                pw.print(mUidFirewallDozableRules.keyAt(i));
-                pw.print(":");
-                pw.print(mUidFirewallDozableRules.valueAt(i));
-                if (i < size - 1) pw.print(",");
-            }
-            pw.println("]");
+            dumpUidFirewallRule(pw, FIREWALL_CHAIN_NAME_DOZABLE, mUidFirewallDozableRules);
+        }
+
+        pw.println("UID firewall powersave chain enabled: " +
+                mFirewallChainStates.get(FIREWALL_CHAIN_POWERSAVE));
+        synchronized (mUidFirewallPowerSaveRules) {
+            dumpUidFirewallRule(pw, FIREWALL_CHAIN_NAME_POWERSAVE, mUidFirewallPowerSaveRules);
         }
 
         synchronized (mIdleTimerLock) {
@@ -2324,6 +2332,20 @@
         pw.print("Firewall enabled: "); pw.println(mFirewallEnabled);
     }
 
+    private void dumpUidFirewallRule(PrintWriter pw, String name, SparseIntArray rules) {
+        pw.print("UID firewall");
+        pw.print(name);
+        pw.print(" rule: [");
+        final int size = rules.size();
+        for (int i = 0; i < size; i++) {
+            pw.print(rules.keyAt(i));
+            pw.print(":");
+            pw.print(rules.valueAt(i));
+            if (i < size - 1) pw.print(",");
+        }
+        pw.println("]");
+    }
+
     @Override
     public void createPhysicalNetwork(int netId, String permission) {
         mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
diff --git a/services/core/java/com/android/server/SystemConfig.java b/services/core/java/com/android/server/SystemConfig.java
index 1c1784e..73d8bdd 100644
--- a/services/core/java/com/android/server/SystemConfig.java
+++ b/services/core/java/com/android/server/SystemConfig.java
@@ -105,9 +105,6 @@
     // background while in data-usage save mode, as read from the configuration files.
     final ArraySet<String> mAllowInDataUsageSave = new ArraySet<>();
 
-    // These are the app package names that should not allow IME switching.
-    final ArraySet<String> mFixedImeApps = new ArraySet<>();
-
     // These are the package names of apps which should be in the 'always'
     // URL-handling state upon factory reset.
     final ArraySet<String> mLinkedApps = new ArraySet<>();
@@ -159,10 +156,6 @@
         return mAllowInDataUsageSave;
     }
 
-    public ArraySet<String> getFixedImeApps() {
-        return mFixedImeApps;
-    }
-
     public ArraySet<String> getLinkedApps() {
         return mLinkedApps;
     }
@@ -411,17 +404,6 @@
                     XmlUtils.skipCurrentTag(parser);
                     continue;
 
-                } else if ("fixed-ime-app".equals(name) && allowAll) {
-                    String pkgname = parser.getAttributeValue(null, "package");
-                    if (pkgname == null) {
-                        Slog.w(TAG, "<fixed-ime-app> without package in " + permFile + " at "
-                                + parser.getPositionDescription());
-                    } else {
-                        mFixedImeApps.add(pkgname);
-                    }
-                    XmlUtils.skipCurrentTag(parser);
-                    continue;
-
                 } else if ("app-link".equals(name) && allowAppConfigs) {
                     String pkgname = parser.getAttributeValue(null, "package");
                     if (pkgname == null) {
diff --git a/services/core/java/com/android/server/am/ActiveServices.java b/services/core/java/com/android/server/am/ActiveServices.java
index 8c0ec78..63a0e87 100755
--- a/services/core/java/com/android/server/am/ActiveServices.java
+++ b/services/core/java/com/android/server/am/ActiveServices.java
@@ -319,7 +319,7 @@
                         + " (pid=" + Binder.getCallingPid()
                         + ") when starting service " + service);
             }
-            callerFg = callerApp.setSchedGroup != Process.THREAD_GROUP_BG_NONINTERACTIVE;
+            callerFg = callerApp.setSchedGroup != ProcessList.SCHED_GROUP_BACKGROUND;
         } else {
             callerFg = true;
         }
@@ -831,7 +831,7 @@
                     "BIND_TREAT_LIKE_ACTIVITY");
         }
 
-        final boolean callerFg = callerApp.setSchedGroup != Process.THREAD_GROUP_BG_NONINTERACTIVE;
+        final boolean callerFg = callerApp.setSchedGroup != ProcessList.SCHED_GROUP_BACKGROUND;
         final boolean isBindExternal = (flags & Context.BIND_EXTERNAL_SERVICE) != 0;
 
         ServiceLookupResult res =
@@ -1138,7 +1138,7 @@
                         for (int i=b.apps.size()-1; i>=0; i--) {
                             ProcessRecord client = b.apps.valueAt(i).client;
                             if (client != null && client.setSchedGroup
-                                    != Process.THREAD_GROUP_BG_NONINTERACTIVE) {
+                                    != ProcessList.SCHED_GROUP_BACKGROUND) {
                                 inFg = true;
                                 break;
                             }
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 3330a82..dee3d02 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -6229,7 +6229,7 @@
 
         app.makeActive(thread, mProcessStats);
         app.curAdj = app.setAdj = ProcessList.INVALID_ADJ;
-        app.curSchedGroup = app.setSchedGroup = Process.THREAD_GROUP_DEFAULT;
+        app.curSchedGroup = app.setSchedGroup = ProcessList.SCHED_GROUP_DEFAULT;
         app.forcingToForeground = null;
         updateProcessForegroundLocked(app, false, false);
         app.hasShownUi = false;
@@ -9220,7 +9220,7 @@
         // Kill the running processes.
         for (int i = 0; i < procsToKill.size(); i++) {
             ProcessRecord pr = procsToKill.get(i);
-            if (pr.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+            if (pr.setSchedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                     && pr.curReceiver == null) {
                 pr.kill("remove task", true);
             } else {
@@ -10495,7 +10495,7 @@
                 cpi.packageName, r.userId)) {
 
             final boolean callerForeground = r != null ? r.setSchedGroup
-                    != Process.THREAD_GROUP_BG_NONINTERACTIVE : true;
+                    != ProcessList.SCHED_GROUP_BACKGROUND : true;
 
             // Show a permission review UI only for starting from a foreground app
             if (!callerForeground) {
@@ -14812,13 +14812,13 @@
             String oomAdj = ProcessList.makeOomAdjString(r.setAdj);
             char schedGroup;
             switch (r.setSchedGroup) {
-                case Process.THREAD_GROUP_BG_NONINTERACTIVE:
+                case ProcessList.SCHED_GROUP_BACKGROUND:
                     schedGroup = 'B';
                     break;
-                case Process.THREAD_GROUP_DEFAULT:
+                case ProcessList.SCHED_GROUP_DEFAULT:
                     schedGroup = 'F';
                     break;
-                case Process.THREAD_GROUP_TOP_APP:
+                case ProcessList.SCHED_GROUP_TOP_APP:
                     schedGroup = 'T';
                     break;
                 default:
@@ -18374,7 +18374,7 @@
 
         if (app.thread == null) {
             app.adjSeq = mAdjSeq;
-            app.curSchedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+            app.curSchedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
             app.curProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY;
             return (app.curAdj=app.curRawAdj=ProcessList.CACHED_APP_MAX_ADJ);
         }
@@ -18394,7 +18394,7 @@
             app.adjSeq = mAdjSeq;
             app.curRawAdj = app.maxAdj;
             app.foregroundActivities = false;
-            app.curSchedGroup = Process.THREAD_GROUP_DEFAULT;
+            app.curSchedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             app.curProcState = ActivityManager.PROCESS_STATE_PERSISTENT;
             // System processes can do UI, and when they do we want to have
             // them trim their memory after the user leaves the UI.  To
@@ -18431,14 +18431,14 @@
         if (app == TOP_APP) {
             // The last app on the list is the foreground app.
             adj = ProcessList.FOREGROUND_APP_ADJ;
-            schedGroup = Process.THREAD_GROUP_TOP_APP;
+            schedGroup = ProcessList.SCHED_GROUP_TOP_APP;
             app.adjType = "top-activity";
             foregroundActivities = true;
             procState = PROCESS_STATE_CUR_TOP;
         } else if (app.instrumentationClass != null) {
             // Don't want to kill running instrumentation.
             adj = ProcessList.FOREGROUND_APP_ADJ;
-            schedGroup = Process.THREAD_GROUP_DEFAULT;
+            schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             app.adjType = "instrumentation";
             procState = ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE;
         } else if ((queue = isReceivingBroadcast(app)) != null) {
@@ -18448,7 +18448,7 @@
             // broadcast as reflected by which queue it's active in.
             adj = ProcessList.FOREGROUND_APP_ADJ;
             schedGroup = (queue == mFgBroadcastQueue)
-                    ? Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                    ? ProcessList.SCHED_GROUP_DEFAULT : ProcessList.SCHED_GROUP_BACKGROUND;
             app.adjType = "broadcast";
             procState = ActivityManager.PROCESS_STATE_RECEIVER;
         } else if (app.executingServices.size() > 0) {
@@ -18456,13 +18456,13 @@
             // counts as being in the foreground.
             adj = ProcessList.FOREGROUND_APP_ADJ;
             schedGroup = app.execServicesFg ?
-                    Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                    ProcessList.SCHED_GROUP_DEFAULT : ProcessList.SCHED_GROUP_BACKGROUND;
             app.adjType = "exec-service";
             procState = ActivityManager.PROCESS_STATE_SERVICE;
             //Slog.i(TAG, "EXEC " + (app.execServicesFg ? "FG" : "BG") + ": " + app);
         } else {
             // As far as we know the process is empty.  We may change our mind later.
-            schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+            schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
             // At this point we don't actually know the adjustment.  Use the cached adj
             // value that the caller wants us to.
             adj = cachedAdj;
@@ -18491,7 +18491,7 @@
                     if (procState > PROCESS_STATE_CUR_TOP) {
                         procState = PROCESS_STATE_CUR_TOP;
                     }
-                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                     app.cached = false;
                     app.empty = false;
                     foregroundActivities = true;
@@ -18510,7 +18510,7 @@
                     if (procState > PROCESS_STATE_CUR_TOP) {
                         procState = PROCESS_STATE_CUR_TOP;
                     }
-                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                     app.cached = false;
                     app.empty = false;
                     foregroundActivities = true;
@@ -18554,7 +18554,7 @@
                 procState = ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE;
                 app.cached = false;
                 app.adjType = "fg-service";
-                schedGroup = Process.THREAD_GROUP_DEFAULT;
+                schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             } else if (app.forcingToForeground != null) {
                 // The user is aware of this app, so make it visible.
                 adj = ProcessList.PERCEPTIBLE_APP_ADJ;
@@ -18562,7 +18562,7 @@
                 app.cached = false;
                 app.adjType = "force-fg";
                 app.adjSource = app.forcingToForeground;
-                schedGroup = Process.THREAD_GROUP_DEFAULT;
+                schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             }
         }
 
@@ -18570,7 +18570,7 @@
             if (adj > ProcessList.HEAVY_WEIGHT_APP_ADJ) {
                 // We don't want to kill the current heavy-weight process.
                 adj = ProcessList.HEAVY_WEIGHT_APP_ADJ;
-                schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
                 app.cached = false;
                 app.adjType = "heavy";
             }
@@ -18584,7 +18584,7 @@
                 // This process is hosting what we currently consider to be the
                 // home app, so we don't want to let it go into the background.
                 adj = ProcessList.HOME_APP_ADJ;
-                schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
                 app.cached = false;
                 app.adjType = "home";
             }
@@ -18599,7 +18599,7 @@
                 // We want to try to keep it around more aggressively, to give
                 // a good experience around switching between two apps.
                 adj = ProcessList.PREVIOUS_APP_ADJ;
-                schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
                 app.cached = false;
                 app.adjType = "previous";
             }
@@ -18639,7 +18639,7 @@
 
         for (int is = app.services.size()-1;
                 is >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ
-                        || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                        || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                         || procState > ActivityManager.PROCESS_STATE_TOP);
                 is--) {
             ServiceRecord s = app.services.valueAt(is);
@@ -18677,13 +18677,13 @@
             }
             for (int conni = s.connections.size()-1;
                     conni >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ
-                            || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                            || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                             || procState > ActivityManager.PROCESS_STATE_TOP);
                     conni--) {
                 ArrayList<ConnectionRecord> clist = s.connections.valueAt(conni);
                 for (int i = 0;
                         i < clist.size() && (adj > ProcessList.FOREGROUND_APP_ADJ
-                                || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                                || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                                 || procState > ActivityManager.PROCESS_STATE_TOP);
                         i++) {
                     // XXX should compute this based on the max of
@@ -18754,7 +18754,6 @@
                                         && clientAdj < ProcessList.PERCEPTIBLE_APP_ADJ
                                         && adj > ProcessList.PERCEPTIBLE_APP_ADJ) {
                                     adj = ProcessList.PERCEPTIBLE_APP_ADJ;
-                                    schedGroup = Process.THREAD_GROUP_DEFAULT;
                                 } else if (clientAdj >= ProcessList.PERCEPTIBLE_APP_ADJ) {
                                     adj = clientAdj;
                                 } else {
@@ -18776,7 +18775,7 @@
                                 if ((cr.flags&Context.BIND_IMPORTANT) != 0) {
                                     schedGroup = client.curSchedGroup;
                                 } else {
-                                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                                 }
                             }
                             if (clientProcState <= ActivityManager.PROCESS_STATE_TOP) {
@@ -18846,9 +18845,9 @@
                             adj = ProcessList.FOREGROUND_APP_ADJ;
                             if ((cr.flags&Context.BIND_NOT_FOREGROUND) == 0) {
                                 if ((cr.flags&Context.BIND_IMPORTANT) != 0) {
-                                    schedGroup = Process.THREAD_GROUP_TOP_APP;
+                                    schedGroup = ProcessList.SCHED_GROUP_TOP_APP;
                                 } else {
-                                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                                 }
                             }
                             app.cached = false;
@@ -18866,13 +18865,13 @@
 
         for (int provi = app.pubProviders.size()-1;
                 provi >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ
-                        || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                        || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                         || procState > ActivityManager.PROCESS_STATE_TOP);
                 provi--) {
             ContentProviderRecord cpr = app.pubProviders.valueAt(provi);
             for (int i = cpr.connections.size()-1;
                     i >= 0 && (adj > ProcessList.FOREGROUND_APP_ADJ
-                            || schedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE
+                            || schedGroup == ProcessList.SCHED_GROUP_BACKGROUND
                             || procState > ActivityManager.PROCESS_STATE_TOP);
                     i--) {
                 ContentProviderConnection conn = cpr.connections.get(i);
@@ -18930,7 +18929,7 @@
                     procState = clientProcState;
                 }
                 if (client.curSchedGroup > schedGroup) {
-                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                 }
             }
             // If the provider has external (non-framework) process
@@ -18939,7 +18938,7 @@
             if (cpr.hasExternalProcessHandles()) {
                 if (adj > ProcessList.FOREGROUND_APP_ADJ) {
                     adj = ProcessList.FOREGROUND_APP_ADJ;
-                    schedGroup = Process.THREAD_GROUP_DEFAULT;
+                    schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
                     app.cached = false;
                     app.adjType = "provider";
                     app.adjTarget = cpr.name;
@@ -18953,7 +18952,7 @@
         if (app.lastProviderTime > 0 && (app.lastProviderTime+CONTENT_PROVIDER_RETAIN_TIME) > now) {
             if (adj > ProcessList.PREVIOUS_APP_ADJ) {
                 adj = ProcessList.PREVIOUS_APP_ADJ;
-                schedGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                schedGroup = ProcessList.SCHED_GROUP_BACKGROUND;
                 app.cached = false;
                 app.adjType = "provider";
             }
@@ -19032,7 +19031,7 @@
         if (adj > app.maxAdj) {
             adj = app.maxAdj;
             if (app.maxAdj <= ProcessList.PERCEPTIBLE_APP_ADJ) {
-                schedGroup = Process.THREAD_GROUP_DEFAULT;
+                schedGroup = ProcessList.SCHED_GROUP_DEFAULT;
             }
         }
 
@@ -19448,17 +19447,29 @@
         if (app.setSchedGroup != app.curSchedGroup) {
             app.setSchedGroup = app.curSchedGroup;
             if (DEBUG_SWITCH || DEBUG_OOM_ADJ) Slog.v(TAG_OOM_ADJ,
-                    "Setting process group of " + app.processName
+                    "Setting sched group of " + app.processName
                     + " to " + app.curSchedGroup);
             if (app.waitingToKill != null && app.curReceiver == null
-                    && app.setSchedGroup == Process.THREAD_GROUP_BG_NONINTERACTIVE) {
+                    && app.setSchedGroup == ProcessList.SCHED_GROUP_BACKGROUND) {
                 app.kill(app.waitingToKill, true);
                 success = false;
             } else {
+                int processGroup;
+                switch (app.curSchedGroup) {
+                    case ProcessList.SCHED_GROUP_BACKGROUND:
+                        processGroup = Process.THREAD_GROUP_BG_NONINTERACTIVE;
+                        break;
+                    case ProcessList.SCHED_GROUP_TOP_APP:
+                        processGroup = Process.THREAD_GROUP_TOP_APP;
+                        break;
+                    default:
+                        processGroup = Process.THREAD_GROUP_DEFAULT;
+                        break;
+                }
                 if (true) {
                     long oldId = Binder.clearCallingIdentity();
                     try {
-                        Process.setProcessGroup(app.pid, app.curSchedGroup);
+                        Process.setProcessGroup(app.pid, processGroup);
                     } catch (Exception e) {
                         Slog.w(TAG, "Failed setting process group of " + app.pid
                                 + " to " + app.curSchedGroup);
@@ -19469,7 +19480,7 @@
                 } else {
                     if (app.thread != null) {
                         try {
-                            app.thread.setSchedulingGroup(app.curSchedGroup);
+                            app.thread.setSchedulingGroup(processGroup);
                         } catch (RemoteException e) {
                         }
                     }
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index 74c8363..d1e1d27 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -1115,7 +1115,7 @@
             r.stopped = true;
             r.state = ActivityState.STOPPED;
 
-            mWindowManager.notifyAppStopped(r.appToken);
+            mWindowManager.notifyAppStopped(r.appToken, true);
 
             if (getVisibleBehindActivity() == r) {
                 mStackSupervisor.requestVisibleBehindLocked(r, false);
@@ -2247,6 +2247,10 @@
                     next.app.thread.scheduleNewIntent(next.newIntents, next.appToken);
                 }
 
+                // Well the app will no longer be stopped.
+                // Clear app token stopped state in window manager if needed.
+                mWindowManager.notifyAppStopped(next.appToken, false);
+
                 EventLog.writeEvent(EventLogTags.AM_RESUME_ACTIVITY, next.userId,
                         System.identityHashCode(next), next.task.taskId, next.shortComponentName);
 
diff --git a/services/core/java/com/android/server/am/BroadcastQueue.java b/services/core/java/com/android/server/am/BroadcastQueue.java
index 37b0af1..45e3a76 100644
--- a/services/core/java/com/android/server/am/BroadcastQueue.java
+++ b/services/core/java/com/android/server/am/BroadcastQueue.java
@@ -654,7 +654,7 @@
         }
 
         final boolean callerForeground = receiverRecord.callerApp != null
-                ? receiverRecord.callerApp.setSchedGroup != Process.THREAD_GROUP_BG_NONINTERACTIVE
+                ? receiverRecord.callerApp.setSchedGroup != ProcessList.SCHED_GROUP_BACKGROUND
                 : true;
 
         // Show a permission review UI only for explicit broadcast from a foreground app
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index b49370b..f073e5c 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -124,6 +124,13 @@
     // Memory pages are 4K.
     static final int PAGE_SIZE = 4*1024;
 
+    // Activity manager's version of Process.THREAD_GROUP_BG_NONINTERACTIVE
+    static final int SCHED_GROUP_BACKGROUND = 0;
+    // Activity manager's version of Process.THREAD_GROUP_DEFAULT
+    static final int SCHED_GROUP_DEFAULT = 1;
+    // Activity manager's version of Process.THREAD_GROUP_TOP_APP
+    static final int SCHED_GROUP_TOP_APP = 2;
+
     // The minimum number of cached apps we want to be able to keep around,
     // without empty apps being able to push them out of memory.
     static final int MIN_CACHED_APPS = 2;
diff --git a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
index 09b7a18..3acd2ca 100644
--- a/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/core/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -42,6 +42,7 @@
 import static android.net.NetworkPolicy.WARNING_DISABLED;
 import static android.net.NetworkPolicyManager.EXTRA_NETWORK_TEMPLATE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_DOZABLE;
+import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_POWERSAVE;
 import static android.net.NetworkPolicyManager.FIREWALL_CHAIN_STANDBY;
 import static android.net.NetworkPolicyManager.FIREWALL_RULE_ALLOW;
 import static android.net.NetworkPolicyManager.FIREWALL_RULE_DEFAULT;
@@ -68,6 +69,7 @@
 import static android.net.wifi.WifiManager.EXTRA_WIFI_CONFIGURATION;
 import static android.net.wifi.WifiManager.EXTRA_WIFI_INFO;
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
+
 import static com.android.internal.util.ArrayUtils.appendInt;
 import static com.android.internal.util.Preconditions.checkNotNull;
 import static com.android.internal.util.XmlUtils.readBooleanAttribute;
@@ -294,6 +296,7 @@
 
     final SparseIntArray mUidFirewallStandbyRules = new SparseIntArray();
     final SparseIntArray mUidFirewallDozableRules = new SparseIntArray();
+    final SparseIntArray mUidFirewallPowerSaveRules = new SparseIntArray();
 
     /** Set of states for the child firewall chains. True if the chain is active. */
     final SparseBooleanArray mFirewallChainStates = new SparseBooleanArray();
@@ -522,9 +525,11 @@
                     new PowerManagerInternal.LowPowerModeListener() {
                 @Override
                 public void onLowPowerModeChanged(boolean enabled) {
+                    if (LOGD) Slog.d(TAG, "onLowPowerModeChanged(" + enabled + ")");
                     synchronized (mRulesLock) {
                         if (mRestrictPower != enabled) {
                             mRestrictPower = enabled;
+                            updateRulesForRestrictPowerLocked();
                             updateRulesForGlobalChangeLocked(true);
                         }
                     }
@@ -1175,13 +1180,6 @@
             return;
         }
 
-        // If we are in restrict power mode, we want to treat all interfaces
-        // as metered, to restrict access to the network by uid.  However, we
-        // will not have a bandwidth limit.  Also only do this if restrict
-        // background data use is *not* enabled, since that takes precedence
-        // use over those networks can have a cost associated with it).
-        final boolean powerSave = mRestrictPower && !mRestrictBackground;
-
         // First, generate identities of all connected networks so we can
         // quickly compare them against all defined policies below.
         final ArrayList<Pair<String, NetworkIdentity>> connIdents = new ArrayList<>(states.length);
@@ -1193,9 +1191,6 @@
                 final String baseIface = state.linkProperties.getInterfaceName();
                 if (baseIface != null) {
                     connIdents.add(Pair.create(baseIface, ident));
-                    if (powerSave) {
-                        connIfaces.add(baseIface);
-                    }
                 }
 
                 // Stacked interfaces are considered to have same identity as
@@ -1205,9 +1200,6 @@
                     final String stackedIface = stackedLink.getInterfaceName();
                     if (stackedIface != null) {
                         connIdents.add(Pair.create(stackedIface, ident));
-                        if (powerSave) {
-                            connIfaces.add(stackedIface);
-                        }
                     }
                 }
             }
@@ -1254,8 +1246,7 @@
             }
 
             if (LOGD) {
-                Slog.d(TAG, "applying policy " + policy.toString() + " to ifaces "
-                        + Arrays.toString(ifaces));
+                Slog.d(TAG, "applying policy " + policy + " to ifaces " + Arrays.toString(ifaces));
             }
 
             final boolean hasWarning = policy.warningBytes != LIMIT_DISABLED;
@@ -1286,9 +1277,6 @@
                     removeInterfaceQuota(iface);
                     setInterfaceQuota(iface, quotaBytes);
                     newMeteredIfaces.add(iface);
-                    if (powerSave) {
-                        connIfaces.remove(iface);
-                    }
                 }
             }
 
@@ -1631,7 +1619,7 @@
             try {
                 final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
                 if (oldPolicy != policy) {
-                    setUidPolicyUncheckedLocked(uid, policy, true);
+                    setUidPolicyUncheckedLocked(uid, oldPolicy, policy, true);
                 }
             } finally {
                 Binder.restoreCallingIdentity(token);
@@ -1651,7 +1639,7 @@
             final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
             policy |= oldPolicy;
             if (oldPolicy != policy) {
-                setUidPolicyUncheckedLocked(uid, policy, true);
+                setUidPolicyUncheckedLocked(uid, oldPolicy, policy, true);
             }
         }
     }
@@ -1668,11 +1656,22 @@
             final int oldPolicy = mUidPolicy.get(uid, POLICY_NONE);
             policy = oldPolicy & ~policy;
             if (oldPolicy != policy) {
-                setUidPolicyUncheckedLocked(uid, policy, true);
+                setUidPolicyUncheckedLocked(uid, oldPolicy, policy, true);
             }
         }
     }
 
+    private void setUidPolicyUncheckedLocked(int uid, int oldPolicy, int policy, boolean persist) {
+        setUidPolicyUncheckedLocked(uid, policy, persist);
+
+        // Checks if app was added or removed to the blacklist.
+        if ((oldPolicy == POLICY_NONE && policy == POLICY_REJECT_METERED_BACKGROUND)
+                || (oldPolicy == POLICY_REJECT_METERED_BACKGROUND && policy == POLICY_NONE)) {
+            mHandler.obtainMessage(MSG_RESTRICT_BACKGROUND_WHITELIST_CHANGED, uid, 0)
+                    .sendToTarget();
+        }
+    }
+
     private void setUidPolicyUncheckedLocked(int uid, int policy, boolean persist) {
         mUidPolicy.put(uid, policy);
 
@@ -2000,7 +1999,20 @@
     public int getRestrictBackgroundByCaller() {
         mContext.enforceCallingOrSelfPermission(ACCESS_NETWORK_STATE, TAG);
         final int uid = Binder.getCallingUid();
+
         synchronized (mRulesLock) {
+            // Must clear identity because getUidPolicy() is restricted to system.
+            final long token = Binder.clearCallingIdentity();
+            final int policy;
+            try {
+                policy = getUidPolicy(uid);
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+            if (policy == POLICY_REJECT_METERED_BACKGROUND) {
+                // App is blacklisted.
+                return RESTRICT_BACKGROUND_STATUS_ENABLED;
+            }
             if (!mRestrictBackground) {
                 return RESTRICT_BACKGROUND_STATUS_DISABLED;
             }
@@ -2299,9 +2311,14 @@
             // state changed, push updated rules
             mUidState.put(uid, uidState);
             updateRulesForUidStateChangeLocked(uid, oldUidState, uidState);
-            if (mDeviceIdleMode && isProcStateAllowedWhileIdle(oldUidState)
-                    != isProcStateAllowedWhileIdle(uidState)) {
-                updateRuleForDeviceIdleLocked(uid);
+            if (isProcStateAllowedWhileIdleOrPowerSaveMode(oldUidState)
+                    != isProcStateAllowedWhileIdleOrPowerSaveMode(uidState) ) {
+                if (mDeviceIdleMode) {
+                    updateRuleForDeviceIdleLocked(uid);
+                }
+                if (mRestrictPower) {
+                    updateRulesForRestrictPowerLocked(uid);
+                }
             }
         }
     }
@@ -2317,6 +2334,9 @@
                 if (mDeviceIdleMode) {
                     updateRuleForDeviceIdleLocked(uid);
                 }
+                if (mRestrictPower) {
+                    updateRulesForRestrictPowerLocked(uid);
+                }
             }
         }
     }
@@ -2354,15 +2374,36 @@
         }
     }
 
-    static boolean isProcStateAllowedWhileIdle(int procState) {
+    static boolean isProcStateAllowedWhileIdleOrPowerSaveMode(int procState) {
         return procState <= ActivityManager.PROCESS_STATE_FOREGROUND_SERVICE;
     }
 
+    void updateRulesForRestrictPowerLocked() {
+        updateRulesForWhitelistedPowerSaveLocked(mRestrictPower, FIREWALL_CHAIN_POWERSAVE,
+                mUidFirewallPowerSaveRules);
+    }
+
+    void updateRulesForRestrictPowerLocked(int uid) {
+        updateRulesForWhitelistedPowerSaveLocked(uid, mRestrictPower, FIREWALL_CHAIN_POWERSAVE);
+    }
+
     void updateRulesForDeviceIdleLocked() {
-        if (mDeviceIdleMode) {
-            // sync the whitelists before enable dozable chain.  We don't care about the rules if
+        updateRulesForWhitelistedPowerSaveLocked(mDeviceIdleMode, FIREWALL_CHAIN_DOZABLE,
+                mUidFirewallDozableRules);
+    }
+
+    void updateRuleForDeviceIdleLocked(int uid) {
+        updateRulesForWhitelistedPowerSaveLocked(uid, mDeviceIdleMode, FIREWALL_CHAIN_DOZABLE);
+    }
+
+    // NOTE: since both fw_dozable and fw_powersave uses the same map (mPowerSaveTempWhitelistAppIds)
+    // for whitelisting, we can reuse their logic in this method.
+    private void updateRulesForWhitelistedPowerSaveLocked(boolean enabled, int chain,
+            SparseIntArray rules) {
+        if (enabled) {
+            // Sync the whitelists before enabling the chain.  We don't care about the rules if
             // we are disabling the chain.
-            final SparseIntArray uidRules = mUidFirewallDozableRules;
+            final SparseIntArray uidRules = rules;
             uidRules.clear();
             final List<UserInfo> users = mUserManager.getUsers();
             for (int ui = users.size() - 1; ui >= 0; ui--) {
@@ -2381,24 +2422,26 @@
                 }
             }
             for (int i = mUidState.size() - 1; i >= 0; i--) {
-                if (isProcStateAllowedWhileIdle(mUidState.valueAt(i))) {
+                if (isProcStateAllowedWhileIdleOrPowerSaveMode(mUidState.valueAt(i))) {
                     uidRules.put(mUidState.keyAt(i), FIREWALL_RULE_ALLOW);
                 }
             }
-            setUidFirewallRules(FIREWALL_CHAIN_DOZABLE, uidRules);
+            setUidFirewallRules(chain, uidRules);
         }
 
-        enableFirewallChainLocked(FIREWALL_CHAIN_DOZABLE, mDeviceIdleMode);
+        enableFirewallChainLocked(chain, enabled);
     }
 
-    void updateRuleForDeviceIdleLocked(int uid) {
-        if (mDeviceIdleMode) {
+    // NOTE: since both fw_dozable and fw_powersave uses the same map (mPowerSaveTempWhitelistAppIds)
+    // for whitelisting, we can reuse their logic in this method.
+    private void updateRulesForWhitelistedPowerSaveLocked(int uid, boolean enabled, int chain) {
+        if (enabled) {
             int appId = UserHandle.getAppId(uid);
             if (mPowerSaveTempWhitelistAppIds.get(appId) || mPowerSaveWhitelistAppIds.get(appId)
-                    || isProcStateAllowedWhileIdle(mUidState.get(uid))) {
-                setUidFirewallRule(FIREWALL_CHAIN_DOZABLE, uid, FIREWALL_RULE_ALLOW);
+                    || isProcStateAllowedWhileIdleOrPowerSaveMode(mUidState.get(uid))) {
+                setUidFirewallRule(chain, uid, FIREWALL_RULE_ALLOW);
             } else {
-                setUidFirewallRule(FIREWALL_CHAIN_DOZABLE, uid, FIREWALL_RULE_DEFAULT);
+                setUidFirewallRule(chain, uid, FIREWALL_RULE_DEFAULT);
             }
         }
 
@@ -2454,10 +2497,14 @@
      * {@link #mRestrictPower}, or {@link #mDeviceIdleMode} value.
      */
     void updateRulesForGlobalChangeLocked(boolean restrictedNetworksChanged) {
+        long start;
+        if (LOGD) start = System.currentTimeMillis();
+
         final PackageManager pm = mContext.getPackageManager();
 
         updateRulesForDeviceIdleLocked();
         updateRulesForAppIdleLocked();
+        updateRulesForRestrictPowerLocked();
 
         // update rules for all installed applications
         final List<UserInfo> users = mUserManager.getUsers();
@@ -2465,8 +2512,12 @@
                 PackageManager.GET_UNINSTALLED_PACKAGES | PackageManager.GET_DISABLED_COMPONENTS
                         | PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE);
 
-        for (UserInfo user : users) {
-            for (ApplicationInfo app : apps) {
+        final int usersSize = users.size();
+        final int appsSize = apps.size();
+        for (int i = 0; i < usersSize; i++) {
+            final UserInfo user = users.get(i);
+            for (int j = 0; j < appsSize; j++) {
+                final ApplicationInfo app = apps.get(j);
                 final int uid = UserHandle.getUid(user.id, app.uid);
                 updateRulesForUidLocked(uid);
             }
@@ -2481,16 +2532,23 @@
             normalizePoliciesLocked();
             updateNetworkRulesLocked();
         }
+        if (LOGD) {
+          final long delta = System.currentTimeMillis() - start;
+          Slog.d(TAG, "updateRulesForGlobalChangeLocked(" + restrictedNetworksChanged + ") took "
+                  + delta + "ms");
+        }
     }
 
     void updateRulesForTempWhitelistChangeLocked() {
         final List<UserInfo> users = mUserManager.getUsers();
-        for (UserInfo user : users) {
-            for (int i = mPowerSaveTempWhitelistAppIds.size() - 1; i >= 0; i--) {
-                int appId = mPowerSaveTempWhitelistAppIds.keyAt(i);
+        for (int i = 0; i < users.size(); i++) {
+            final UserInfo user = users.get(i);
+            for (int j = mPowerSaveTempWhitelistAppIds.size() - 1; j >= 0; j--) {
+                int appId = mPowerSaveTempWhitelistAppIds.keyAt(j);
                 int uid = UserHandle.getUid(user.id, appId);
                 updateRuleForAppIdleLocked(uid);
                 updateRuleForDeviceIdleLocked(uid);
+                updateRulesForRestrictPowerLocked(uid);
             }
         }
     }
@@ -2583,6 +2641,12 @@
             uidRules = RULE_REJECT_ALL;
         }
 
+        // Check powersave state, which is whitelist
+        if (mFirewallChainStates.get(FIREWALL_CHAIN_POWERSAVE)
+                && mUidFirewallPowerSaveRules.get(uid, FIREWALL_RULE_DEFAULT) != FIREWALL_RULE_ALLOW) {
+            uidRules = RULE_REJECT_ALL;
+        }
+
         // Check standby state, which is blacklist
         if (mFirewallChainStates.get(FIREWALL_CHAIN_STANDBY)
                 && mUidFirewallStandbyRules.get(uid, FIREWALL_RULE_DEFAULT) == FIREWALL_RULE_DENY) {
@@ -2810,6 +2874,8 @@
             mUidFirewallDozableRules.put(uid, rule);
         } else if (chain == FIREWALL_CHAIN_STANDBY) {
             mUidFirewallStandbyRules.put(uid, rule);
+        } else if (chain == FIREWALL_CHAIN_POWERSAVE) {
+            mUidFirewallPowerSaveRules.put(uid, rule);
         }
 
         try {
diff --git a/services/core/java/com/android/server/notification/NotificationIntrusivenessExtractor.java b/services/core/java/com/android/server/notification/NotificationIntrusivenessExtractor.java
index b57cc75..bcdeb66 100644
--- a/services/core/java/com/android/server/notification/NotificationIntrusivenessExtractor.java
+++ b/services/core/java/com/android/server/notification/NotificationIntrusivenessExtractor.java
@@ -23,7 +23,7 @@
 import android.util.Slog;
 
 /**
- * This {@link com.android.server.notification.NotificationSignalExtractor} noticies noisy
+ * This {@link com.android.server.notification.NotificationSignalExtractor} notices noisy
  * notifications and marks them to get a temporary ranking bump.
  */
 public class NotificationIntrusivenessExtractor implements NotificationSignalExtractor {
@@ -44,9 +44,15 @@
             return null;
         }
 
-        final Notification notification = record.getNotification();
-        if (record.getImportance() > NotificationListenerService.Ranking.IMPORTANCE_DEFAULT) {
-            record.setRecentlyIntrusive(true);
+        if (record.getImportance() >= NotificationListenerService.Ranking.IMPORTANCE_DEFAULT) {
+            final Notification notification = record.getNotification();
+            if ((notification.defaults & Notification.DEFAULT_VIBRATE) != 0 ||
+                    notification.vibrate != null ||
+                    (notification.defaults & Notification.DEFAULT_SOUND) != 0 ||
+                    notification.sound != null ||
+                    notification.fullScreenIntent != null) {
+                record.setRecentlyIntrusive(true);
+            }
         }
 
         return new RankingReconsideration(record.getKey(), HANG_TIME_MS) {
diff --git a/services/core/java/com/android/server/pm/Installer.java b/services/core/java/com/android/server/pm/Installer.java
index 1476e6e..93dcc72 100644
--- a/services/core/java/com/android/server/pm/Installer.java
+++ b/services/core/java/com/android/server/pm/Installer.java
@@ -203,6 +203,11 @@
         mInstaller.execute("linkfile", relativePath, fromBase, toBase);
     }
 
+    public void moveAb(String apkPath, String instructionSet, String outputPath)
+            throws InstallerException {
+        mInstaller.execute("move_ab", apkPath, instructionSet, outputPath);
+    }
+
     private static void assertValidInstructionSet(String instructionSet)
             throws InstallerException {
         for (String abi : Build.SUPPORTED_ABIS) {
diff --git a/services/core/java/com/android/server/pm/OtaDexoptService.java b/services/core/java/com/android/server/pm/OtaDexoptService.java
index 3d2a355..67aeed1 100644
--- a/services/core/java/com/android/server/pm/OtaDexoptService.java
+++ b/services/core/java/com/android/server/pm/OtaDexoptService.java
@@ -16,36 +16,28 @@
 
 package com.android.server.pm;
 
-import android.app.AppGlobals;
+import static com.android.server.pm.Installer.DEXOPT_OTA;
+import static com.android.server.pm.InstructionSets.getAppDexInstructionSets;
+import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets;
+
 import android.content.Context;
-import android.content.Intent;
 import android.content.pm.IOtaDexopt;
 import android.content.pm.PackageParser;
 import android.content.pm.PackageParser.Package;
-import android.content.pm.ResolveInfo;
 import android.os.Environment;
 import android.os.RemoteException;
 import android.os.ResultReceiver;
 import android.os.ServiceManager;
-import android.os.UserHandle;
 import android.os.storage.StorageManager;
-import android.util.ArraySet;
 import android.util.Log;
+import android.util.Slog;
 
-import dalvik.system.DexFile;
+import com.android.internal.os.InstallerConnection.InstallerException;
 
 import java.io.File;
 import java.io.FileDescriptor;
-import java.util.ArrayList;
 import java.util.Collection;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedList;
 import java.util.List;
-import java.util.Set;
-
-import static com.android.server.pm.Installer.DEXOPT_OTA;
 
 /**
  * A service for A/B OTA dexopting.
@@ -70,6 +62,9 @@
         // Use the package manager install and install lock here for the OTA dex optimizer.
         mPackageDexOptimizer = new OTADexoptPackageDexOptimizer(packageManagerService.mInstaller,
                 packageManagerService.mInstallLock, context);
+
+        // Now it's time to check whether we need to move any A/B artifacts.
+        moveAbArtifacts(packageManagerService.mInstaller);
     }
 
     public static OtaDexoptService main(Context context,
@@ -150,20 +145,50 @@
                 false /* extractOnly */);
     }
 
-    private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) {
-        List<ResolveInfo> ris = null;
-        try {
-            ris = AppGlobals.getPackageManager().queryIntentReceivers(
-                    intent, null, 0, userId);
-        } catch (RemoteException e) {
+    private void moveAbArtifacts(Installer installer) {
+        if (mDexoptPackages != null) {
+            throw new IllegalStateException("Should not be ota-dexopting when trying to move.");
         }
-        ArraySet<String> pkgNames = new ArraySet<String>(ris == null ? 0 : ris.size());
-        if (ris != null) {
-            for (ResolveInfo ri : ris) {
-                pkgNames.add(ri.activityInfo.packageName);
+
+        // Look into all packages.
+        Collection<PackageParser.Package> pkgs = mPackageManagerService.getPackages();
+        for (PackageParser.Package pkg : pkgs) {
+            if (pkg == null) {
+                continue;
+            }
+
+            // Does the package have code? If not, there won't be any artifacts.
+            if (!PackageDexOptimizer.canOptimizePackage(pkg)) {
+                continue;
+            }
+            if (pkg.codePath == null) {
+                Slog.w(TAG, "Package " + pkg + " can be optimized but has null codePath");
+                continue;
+            }
+
+            // If the path is in /system or /vendor, ignore. It will have been ota-dexopted into
+            // /data/ota and moved into the dalvik-cache already.
+            if (pkg.codePath.startsWith("/system") || pkg.codePath.startsWith("/vendor")) {
+                continue;
+            }
+
+            final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo);
+            final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly();
+            final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
+            for (String dexCodeInstructionSet : dexCodeInstructionSets) {
+                for (String path : paths) {
+                    String oatDir = PackageDexOptimizer.getOatDir(new File(pkg.codePath)).
+                            getAbsolutePath();
+
+                    // TODO: Check first whether there is an artifact, to save the roundtrip time.
+
+                    try {
+                        installer.moveAb(path, dexCodeInstructionSet, oatDir);
+                    } catch (InstallerException e) {
+                    }
+                }
             }
         }
-        return pkgNames;
     }
 
     private static class OTADexoptPackageDexOptimizer extends
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 31311f7..5562e76 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -19209,4 +19209,14 @@
     boolean isHistoricalPackageUsageAvailable() {
         return mPackageUsage.isHistoricalPackageUsageAvailable();
     }
+
+    /**
+     * Return a <b>copy</b> of the collection of packages known to the package manager.
+     * @return A copy of the values of mPackages.
+     */
+    Collection<PackageParser.Package> getPackages() {
+        synchronized (mPackages) {
+            return new ArrayList<>(mPackages.values());
+        }
+    }
 }
diff --git a/services/core/java/com/android/server/policy/ShortcutManager.java b/services/core/java/com/android/server/policy/ShortcutManager.java
index 9284442..57ae523 100644
--- a/services/core/java/com/android/server/policy/ShortcutManager.java
+++ b/services/core/java/com/android/server/policy/ShortcutManager.java
@@ -138,14 +138,16 @@
                     ComponentName componentName = new ComponentName(packageName, className);
                     try {
                         info = packageManager.getActivityInfo(componentName,
-                                PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE);
+                                PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE
+                                | PackageManager.MATCH_UNINSTALLED_PACKAGES);
                     } catch (PackageManager.NameNotFoundException e) {
                         String[] packages = packageManager.canonicalToCurrentPackageNames(
                                 new String[] { packageName });
                         componentName = new ComponentName(packages[0], className);
                         try {
                             info = packageManager.getActivityInfo(componentName,
-                                    PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE);
+                                    PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE
+                                    | PackageManager.MATCH_UNINSTALLED_PACKAGES);
                         } catch (PackageManager.NameNotFoundException e1) {
                             Log.w(TAG, "Unable to add bookmark: " + packageName
                                     + "/" + className, e);
diff --git a/services/core/java/com/android/server/wm/AppWindowToken.java b/services/core/java/com/android/server/wm/AppWindowToken.java
index ecfbc0a..2731f429 100644
--- a/services/core/java/com/android/server/wm/AppWindowToken.java
+++ b/services/core/java/com/android/server/wm/AppWindowToken.java
@@ -354,6 +354,11 @@
                 continue;
             }
 
+            if (DEBUG_ADD_REMOVE) Slog.e(TAG_WM, "win=" + win
+                    + " destroySurfaces: mAppStopped=" + mAppStopped
+                    + " win.mWindowRemovalAllowed=" + win.mWindowRemovalAllowed
+                    + " win.mRemoveOnExit=" + win.mRemoveOnExit);
+
             win.destroyOrSaveSurface();
             if (win.mRemoveOnExit) {
                 win.mAnimatingExit = false;
@@ -372,15 +377,19 @@
         }
     }
 
-    // The application has stopped, so destroy any surfaces which were keeping alive
-    // in case they were still being used.
-    void notifyAppStopped() {
-        if (DEBUG_ADD_REMOVE) Slog.v(TAG, "notifyAppStopped: " + this);
-        mAppStopped = true;
-        destroySurfaces();
+    /**
+     * If the application has stopped it is okay to destroy any surfaces which were keeping alive
+     * in case they were still being used.
+     */
+    void notifyAppStopped(boolean stopped) {
+        if (DEBUG_ADD_REMOVE) Slog.v(TAG, "notifyAppStopped: stopped=" + stopped + " " + this);
+        mAppStopped = stopped;
 
-        // Remove any starting window that was added for this app if they are still around.
-        mTask.mService.scheduleRemoveStartingWindowLocked(this);
+        if (stopped) {
+            destroySurfaces();
+            // Remove any starting window that was added for this app if they are still around.
+            mTask.mService.scheduleRemoveStartingWindowLocked(this);
+        }
     }
 
     /**
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 7c2a8e3..b64aaa8 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -4197,7 +4197,7 @@
     }
 
     @Override
-    public void notifyAppStopped(IBinder token) {
+    public void notifyAppStopped(IBinder token, boolean stopped) {
         if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
                 "notifyAppStopped()")) {
             throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
@@ -4210,7 +4210,7 @@
                 Slog.w(TAG_WM, "Attempted to set visibility of non-existing app token: " + token);
                 return;
             }
-            wtoken.notifyAppStopped();
+            wtoken.notifyAppStopped(stopped);
         }
     }
 
@@ -4247,6 +4247,8 @@
                 wtoken.appDied = false;
                 wtoken.removeAllWindows();
             } else if (visible) {
+                if (DEBUG_ADD_REMOVE) Slog.v(
+                        TAG_WM, "No longer Stopped: " + wtoken);
                 wtoken.mAppStopped = false;
                 wtoken.setWindowsExiting(false);
             }
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 9aa2b94..b8c31e3 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -431,6 +431,24 @@
         mPackageManager = mSystemContext.getPackageManager();
         Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
 
+        // Manages A/B OTA dexopting. This is a bootstrap service as we need it to rename
+        // A/B artifacts after boot, before anything else might touch/need them.
+        // Note: this isn't needed during decryption (we don't have /data anyways).
+        if (!mOnlyCore) {
+            boolean disableOtaDexopt = SystemProperties.getBoolean("config.disable_otadexopt",
+                    false);
+            if (!disableOtaDexopt) {
+                traceBeginAndSlog("StartOtaDexOptService");
+                try {
+                    OtaDexoptService.main(mSystemContext, mPackageManagerService);
+                } catch (Throwable e) {
+                    reportWtf("starting OtaDexOptService", e);
+                } finally {
+                    Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
+                }
+            }
+        }
+
         traceBeginAndSlog("StartUserManagerService");
         ServiceManager.addService(Context.USER_SERVICE, UserManagerService.getInstance());
         Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
@@ -1124,19 +1142,6 @@
                     reportWtf("starting BackgroundDexOptService", e);
                 }
                 Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
-
-                // Manages A/B OTA dexopting.
-                boolean disableOtaDexopt = SystemProperties.getBoolean("config.disable_otadexopt",
-                        false);
-                if (!disableOtaDexopt) {
-                    traceBeginAndSlog("StartOtaDexOptService");
-                    try {
-                        OtaDexoptService.main(mSystemContext, mPackageManagerService);
-                    } catch (Throwable e) {
-                        reportWtf("starting BackgroundDexOptService", e);
-                    }
-                    Trace.traceEnd(Trace.TRACE_TAG_SYSTEM_SERVER);
-                }
             }
 
             mSystemServiceManager.startService(LauncherAppsService.class);
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index 1278c07..cd1c5e9 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -637,7 +637,7 @@
         sDefaults.putBoolean(KEY_SHOW_CDMA_CHOICES_BOOL, false);
         sDefaults.putBoolean(KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL, true);
         sDefaults.putBoolean(KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL, true);
-        sDefaults.putBoolean(KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL, true);
+        sDefaults.putBoolean(KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL, false);
         sDefaults.putBoolean(KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL, true);
         sDefaults.putBoolean(KEY_USE_HFA_FOR_PROVISIONING_BOOL, false);
         sDefaults.putBoolean(KEY_USE_OTASP_FOR_PROVISIONING_BOOL, false);
diff --git a/tools/aapt/AaptAssets.cpp b/tools/aapt/AaptAssets.cpp
index 3b01827..cbd8480 100644
--- a/tools/aapt/AaptAssets.cpp
+++ b/tools/aapt/AaptAssets.cpp
@@ -373,7 +373,7 @@
 void AaptLocaleValue::initFromResTable(const ResTable_config& config) {
     config.unpackLanguage(language);
     config.unpackRegion(region);
-    if (config.localeScriptWasProvided) {
+    if (config.localeScript[0] && !config.localeScriptWasComputed) {
         memcpy(script, config.localeScript, sizeof(config.localeScript));
     }
 
@@ -388,10 +388,10 @@
 
     if (script[0]) {
         memcpy(out->localeScript, script, sizeof(out->localeScript));
-        out->localeScriptWasProvided = true;
+        out->localeScriptWasComputed = false;
     } else {
         out->computeScript();
-        out->localeScriptWasProvided = false;
+        out->localeScriptWasComputed = true;
     }
 
     if (variant[0]) {
diff --git a/tools/aapt2/Locale.cpp b/tools/aapt2/Locale.cpp
index 6acf3b0..12f56fc 100644
--- a/tools/aapt2/Locale.cpp
+++ b/tools/aapt2/Locale.cpp
@@ -253,7 +253,7 @@
 void LocaleValue::initFromResTable(const ResTable_config& config) {
     config.unpackLanguage(language);
     config.unpackRegion(region);
-    if (config.localeScriptWasProvided) {
+    if (config.localeScript[0] && !config.localeScriptWasComputed) {
         memcpy(script, config.localeScript, sizeof(config.localeScript));
     }
 
@@ -268,10 +268,10 @@
 
     if (script[0]) {
         memcpy(out->localeScript, script, sizeof(out->localeScript));
-        out->localeScriptWasProvided = true;
+        out->localeScriptWasComputed = false;
     } else {
         out->computeScript();
-        out->localeScriptWasProvided = false;
+        out->localeScriptWasComputed = true;
     }
 
     if (variant[0]) {
diff --git a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
index d2103c8..97195e4 100644
--- a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
+++ b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
@@ -349,7 +349,7 @@
     }
 
     @Override
-    public void notifyAppStopped(IBinder token) throws RemoteException {
+    public void notifyAppStopped(IBinder token, boolean stopped) throws RemoteException {
         // TODO Auto-generated method stub
     }