Merge "Properly recover from failed compilation."
diff --git a/Android.mk b/Android.mk
index ace7b7c..5acfb86 100644
--- a/Android.mk
+++ b/Android.mk
@@ -94,7 +94,7 @@
 	core/java/android/bluetooth/IBluetoothHealthCallback.aidl \
 	core/java/android/bluetooth/IBluetoothPbap.aidl \
 	core/java/android/bluetooth/IBluetoothStateChangeCallback.aidl \
-	core/java/android/content/ICancelationSignal.aidl \
+	core/java/android/content/ICancellationSignal.aidl \
 	core/java/android/content/IClipboard.aidl \
 	core/java/android/content/IContentService.aidl \
 	core/java/android/content/IIntentReceiver.aidl \
diff --git a/CleanSpec.mk b/CleanSpec.mk
index fb334fc..d74d7b1 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -117,6 +117,8 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/fonts/DroidSans*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/content)
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/android_stubs_current_intermediates/src/android/content)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/api/current.txt b/api/current.txt
index fced7f17..37b0328 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -4670,10 +4670,9 @@
 
   public abstract class AsyncTaskLoader extends android.content.Loader {
     ctor public AsyncTaskLoader(android.content.Context);
-    method public boolean cancelLoad();
-    method protected boolean isLoadInBackgroundCanceled();
+    method public void cancelLoadInBackground();
+    method public boolean isLoadInBackgroundCanceled();
     method public abstract D loadInBackground();
-    method protected void onCancelLoadInBackground();
     method public void onCanceled(D);
     method protected D onLoadInBackground();
     method public void setUpdateThrottle(long);
@@ -4715,15 +4714,15 @@
     method public final void setResultExtras(android.os.Bundle);
   }
 
-  public final class CancelationSignal {
-    ctor public CancelationSignal();
+  public final class CancellationSignal {
+    ctor public CancellationSignal();
     method public void cancel();
     method public boolean isCanceled();
-    method public void setOnCancelListener(android.content.CancelationSignal.OnCancelListener);
+    method public void setOnCancelListener(android.content.CancellationSignal.OnCancelListener);
     method public void throwIfCanceled();
   }
 
-  public static abstract interface CancelationSignal.OnCancelListener {
+  public static abstract interface CancellationSignal.OnCancelListener {
     method public abstract void onCancel();
   }
 
@@ -4846,7 +4845,7 @@
     method public android.os.ParcelFileDescriptor openPipeHelper(android.net.Uri, java.lang.String, android.os.Bundle, T, android.content.ContentProvider.PipeDataWriter<T>) throws java.io.FileNotFoundException;
     method public android.content.res.AssetFileDescriptor openTypedAssetFile(android.net.Uri, java.lang.String, android.os.Bundle) throws java.io.FileNotFoundException;
     method public abstract android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String);
-    method public android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, android.content.CancelationSignal);
+    method public android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, android.content.CancellationSignal);
     method protected final void setPathPermissions(android.content.pm.PathPermission[]);
     method protected final void setReadPermission(java.lang.String);
     method protected final void setWritePermission(java.lang.String);
@@ -4870,7 +4869,7 @@
     method public android.os.ParcelFileDescriptor openFile(android.net.Uri, java.lang.String) throws java.io.FileNotFoundException, android.os.RemoteException;
     method public final android.content.res.AssetFileDescriptor openTypedAssetFileDescriptor(android.net.Uri, java.lang.String, android.os.Bundle) throws java.io.FileNotFoundException, android.os.RemoteException;
     method public android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String) throws android.os.RemoteException;
-    method public android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, android.content.CancelationSignal) throws android.os.RemoteException;
+    method public android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, android.content.CancellationSignal) throws android.os.RemoteException;
     method public boolean release();
     method public int update(android.net.Uri, android.content.ContentValues, java.lang.String, java.lang.String[]) throws android.os.RemoteException;
   }
@@ -4957,7 +4956,7 @@
     method public final java.io.OutputStream openOutputStream(android.net.Uri, java.lang.String) throws java.io.FileNotFoundException;
     method public final android.content.res.AssetFileDescriptor openTypedAssetFileDescriptor(android.net.Uri, java.lang.String, android.os.Bundle) throws java.io.FileNotFoundException;
     method public final android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String);
-    method public final android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, android.content.CancelationSignal);
+    method public final android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, android.content.CancellationSignal);
     method public final void registerContentObserver(android.net.Uri, boolean, android.database.ContentObserver);
     method public static void removePeriodicSync(android.accounts.Account, java.lang.String, android.os.Bundle);
     method public static void removeStatusChangeListener(java.lang.Object);
@@ -5640,6 +5639,7 @@
     field public static final int FLAG_GRANT_READ_URI_PERMISSION = 1; // 0x1
     field public static final int FLAG_GRANT_WRITE_URI_PERMISSION = 2; // 0x2
     field public static final int FLAG_INCLUDE_STOPPED_PACKAGES = 32; // 0x20
+    field public static final int FLAG_RECEIVER_FOREGROUND = 268435456; // 0x10000000
     field public static final int FLAG_RECEIVER_REGISTERED_ONLY = 1073741824; // 0x40000000
     field public static final int FLAG_RECEIVER_REPLACE_PENDING = 536870912; // 0x20000000
     field public static final java.lang.String METADATA_DOCK_HOME = "android.dock_home";
@@ -5764,7 +5764,9 @@
   public class Loader {
     ctor public Loader(android.content.Context);
     method public void abandon();
+    method public boolean cancelLoad();
     method public java.lang.String dataToString(D);
+    method public void deliverCancellation();
     method public void deliverResult(D);
     method public void dump(java.lang.String, java.io.FileDescriptor, java.io.PrintWriter, java.lang.String[]);
     method public void forceLoad();
@@ -5774,23 +5776,30 @@
     method public boolean isReset();
     method public boolean isStarted();
     method protected void onAbandon();
+    method protected boolean onCancelLoad();
     method public void onContentChanged();
     method protected void onForceLoad();
     method protected void onReset();
     method protected void onStartLoading();
     method protected void onStopLoading();
     method public void registerListener(int, android.content.Loader.OnLoadCompleteListener<D>);
+    method public void registerOnLoadCanceledListener(android.content.Loader.OnLoadCanceledListener<D>);
     method public void reset();
     method public final void startLoading();
     method public void stopLoading();
     method public boolean takeContentChanged();
     method public void unregisterListener(android.content.Loader.OnLoadCompleteListener<D>);
+    method public void unregisterOnLoadCanceledListener(android.content.Loader.OnLoadCanceledListener<D>);
   }
 
   public final class Loader.ForceLoadContentObserver extends android.database.ContentObserver {
     ctor public Loader.ForceLoadContentObserver();
   }
 
+  public static abstract interface Loader.OnLoadCanceledListener {
+    method public abstract void onLoadCanceled(android.content.Loader<D>);
+  }
+
   public static abstract interface Loader.OnLoadCompleteListener {
     method public abstract void onLoadComplete(android.content.Loader<D>, D);
   }
@@ -7259,15 +7268,15 @@
     method public static android.database.sqlite.SQLiteDatabase openOrCreateDatabase(java.lang.String, android.database.sqlite.SQLiteDatabase.CursorFactory);
     method public static android.database.sqlite.SQLiteDatabase openOrCreateDatabase(java.lang.String, android.database.sqlite.SQLiteDatabase.CursorFactory, android.database.DatabaseErrorHandler);
     method public android.database.Cursor query(boolean, java.lang.String, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String);
-    method public android.database.Cursor query(boolean, java.lang.String, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String, android.content.CancelationSignal);
+    method public android.database.Cursor query(boolean, java.lang.String, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String, android.content.CancellationSignal);
     method public android.database.Cursor query(java.lang.String, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String);
     method public android.database.Cursor query(java.lang.String, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String);
     method public android.database.Cursor queryWithFactory(android.database.sqlite.SQLiteDatabase.CursorFactory, boolean, java.lang.String, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String);
-    method public android.database.Cursor queryWithFactory(android.database.sqlite.SQLiteDatabase.CursorFactory, boolean, java.lang.String, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String, android.content.CancelationSignal);
+    method public android.database.Cursor queryWithFactory(android.database.sqlite.SQLiteDatabase.CursorFactory, boolean, java.lang.String, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String, android.content.CancellationSignal);
     method public android.database.Cursor rawQuery(java.lang.String, java.lang.String[]);
-    method public android.database.Cursor rawQuery(java.lang.String, java.lang.String[], android.content.CancelationSignal);
+    method public android.database.Cursor rawQuery(java.lang.String, java.lang.String[], android.content.CancellationSignal);
     method public android.database.Cursor rawQueryWithFactory(android.database.sqlite.SQLiteDatabase.CursorFactory, java.lang.String, java.lang.String[], java.lang.String);
-    method public android.database.Cursor rawQueryWithFactory(android.database.sqlite.SQLiteDatabase.CursorFactory, java.lang.String, java.lang.String[], java.lang.String, android.content.CancelationSignal);
+    method public android.database.Cursor rawQueryWithFactory(android.database.sqlite.SQLiteDatabase.CursorFactory, java.lang.String, java.lang.String[], java.lang.String, android.content.CancellationSignal);
     method public static int releaseMemory();
     method public long replace(java.lang.String, java.lang.String, android.content.ContentValues);
     method public long replaceOrThrow(java.lang.String, java.lang.String, android.content.ContentValues) throws android.database.SQLException;
@@ -7389,7 +7398,7 @@
     method public java.lang.String getTables();
     method public android.database.Cursor query(android.database.sqlite.SQLiteDatabase, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String);
     method public android.database.Cursor query(android.database.sqlite.SQLiteDatabase, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String);
-    method public android.database.Cursor query(android.database.sqlite.SQLiteDatabase, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String, android.content.CancelationSignal);
+    method public android.database.Cursor query(android.database.sqlite.SQLiteDatabase, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, java.lang.String, java.lang.String, java.lang.String, android.content.CancellationSignal);
     method public void setCursorFactory(android.database.sqlite.SQLiteDatabase.CursorFactory);
     method public void setDistinct(boolean);
     method public void setProjectionMap(java.util.Map<java.lang.String, java.lang.String>);
@@ -10917,11 +10926,12 @@
   }
 
   public final class MediaRecorder.OutputFormat {
+    field public static final int AAC_ADTS = 6; // 0x6
     field public static final int AMR_NB = 3; // 0x3
     field public static final int AMR_WB = 4; // 0x4
     field public static final int DEFAULT = 0; // 0x0
     field public static final int MPEG_4 = 2; // 0x2
-    field public static final int RAW_AMR = 3; // 0x3
+    field public static final deprecated int RAW_AMR = 3; // 0x3
     field public static final int THREE_GPP = 1; // 0x1
   }
 
@@ -11630,7 +11640,7 @@
     method public void setNetworkPreference(int);
     method public int startUsingNetworkFeature(int, java.lang.String);
     method public int stopUsingNetworkFeature(int, java.lang.String);
-    field public static final java.lang.String ACTION_BACKGROUND_DATA_SETTING_CHANGED = "android.net.conn.BACKGROUND_DATA_SETTING_CHANGED";
+    field public static final deprecated java.lang.String ACTION_BACKGROUND_DATA_SETTING_CHANGED = "android.net.conn.BACKGROUND_DATA_SETTING_CHANGED";
     field public static final java.lang.String CONNECTIVITY_ACTION = "android.net.conn.CONNECTIVITY_CHANGE";
     field public static final int DEFAULT_NETWORK_PREFERENCE = 1; // 0x1
     field public static final java.lang.String EXTRA_EXTRA_INFO = "extraInfo";
@@ -17496,6 +17506,7 @@
     field public static final android.net.Uri CONTENT_URI;
     field public static final java.lang.String DATA_ROAMING = "data_roaming";
     field public static final java.lang.String DEFAULT_INPUT_METHOD = "default_input_method";
+    field public static final java.lang.String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
     field public static final java.lang.String DEVICE_PROVISIONED = "device_provisioned";
     field public static final java.lang.String ENABLED_ACCESSIBILITY_SERVICES = "enabled_accessibility_services";
     field public static final java.lang.String ENABLED_INPUT_METHODS = "enabled_input_methods";
@@ -17574,6 +17585,7 @@
     field public static final java.lang.String ALARM_ALERT = "alarm_alert";
     field public static final java.lang.String ALWAYS_FINISH_ACTIVITIES = "always_finish_activities";
     field public static final deprecated java.lang.String ANDROID_ID = "android_id";
+    field public static final java.lang.String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
     field public static final java.lang.String APPEND_FOR_LAST_AUDIBLE = "_last_audible";
     field public static final java.lang.String AUTO_TIME = "auto_time";
     field public static final java.lang.String AUTO_TIME_ZONE = "auto_time_zone";
diff --git a/core/java/android/animation/LayoutTransition.java b/core/java/android/animation/LayoutTransition.java
index 274a9d5..634e4d8 100644
--- a/core/java/android/animation/LayoutTransition.java
+++ b/core/java/android/animation/LayoutTransition.java
@@ -960,17 +960,17 @@
         if (anim instanceof ObjectAnimator) {
             ((ObjectAnimator) anim).setCurrentPlayTime(0);
         }
-        if (mListeners != null) {
-            anim.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator anim) {
-                    currentAppearingAnimations.remove(child);
+        anim.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator anim) {
+                currentAppearingAnimations.remove(child);
+                if (mListeners != null) {
                     for (TransitionListener listener : mListeners) {
                         listener.endTransition(LayoutTransition.this, parent, child, APPEARING);
                     }
                 }
-            });
-        }
+            }
+        });
         currentAppearingAnimations.put(child, anim);
         anim.start();
     }
@@ -998,17 +998,19 @@
         anim.setStartDelay(mDisappearingDelay);
         anim.setDuration(mDisappearingDuration);
         anim.setTarget(child);
-        if (mListeners != null) {
-            anim.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator anim) {
-                    currentDisappearingAnimations.remove(child);
+        final float preAnimAlpha = child.getAlpha();
+        anim.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator anim) {
+                currentDisappearingAnimations.remove(child);
+                child.setAlpha(preAnimAlpha);
+                if (mListeners != null) {
                     for (TransitionListener listener : mListeners) {
                         listener.endTransition(LayoutTransition.this, parent, child, DISAPPEARING);
                     }
                 }
-            });
-        }
+            }
+        });
         if (anim instanceof ObjectAnimator) {
             ((ObjectAnimator) anim).setCurrentPlayTime(0);
         }
diff --git a/core/java/android/animation/ValueAnimator.java b/core/java/android/animation/ValueAnimator.java
index c7a129e..cc1efb9 100755
--- a/core/java/android/animation/ValueAnimator.java
+++ b/core/java/android/animation/ValueAnimator.java
@@ -19,6 +19,7 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
+import android.os.SystemProperties;
 import android.util.AndroidRuntimeException;
 import android.view.Choreographer;
 import android.view.animation.AccelerateDecelerateInterpolator;
@@ -52,6 +53,7 @@
     /**
      * Internal constants
      */
+    private static float sDurationScale = 1.0f;
 
     /**
      * Messages sent to timing handler: START is sent when an animation first begins.
@@ -158,10 +160,12 @@
     //
 
     // How long the animation should last in ms
-    private long mDuration = 300;
+    private long mDuration = (long)(300 * sDurationScale);
+    private long mUnscaledDuration = 300;
 
     // The amount of time in ms to delay starting the animation after start() is called
     private long mStartDelay = 0;
+    private long mUnscaledStartDelay = 0;
 
     // The number of times the animation will repeat. The default is 0, which means the animation
     // will play only once
@@ -217,6 +221,14 @@
      */
     public static final int INFINITE = -1;
 
+
+    /**
+     * @hide
+     */
+    public static void setDurationScale(float durationScale) {
+        sDurationScale = durationScale;
+    }
+
     /**
      * Creates a new ValueAnimator object. This default constructor is primarily for
      * use internally; the factory methods which take parameters are more generally
@@ -453,7 +465,8 @@
             throw new IllegalArgumentException("Animators cannot have negative duration: " +
                     duration);
         }
-        mDuration = duration;
+        mUnscaledDuration = duration;
+        mDuration = (long)(duration * sDurationScale);
         return this;
     }
 
@@ -463,7 +476,7 @@
      * @return The length of the animation, in milliseconds.
      */
     public long getDuration() {
-        return mDuration;
+        return mUnscaledDuration;
     }
 
     /**
@@ -658,7 +671,7 @@
      * @return the number of milliseconds to delay running the animation
      */
     public long getStartDelay() {
-        return mStartDelay;
+        return mUnscaledStartDelay;
     }
 
     /**
@@ -668,7 +681,8 @@
      * @param startDelay The amount of the delay, in milliseconds
      */
     public void setStartDelay(long startDelay) {
-        this.mStartDelay = startDelay;
+        this.mStartDelay = (long)(startDelay * sDurationScale);
+        mUnscaledStartDelay = startDelay;
     }
 
     /**
diff --git a/core/java/android/app/LoaderManager.java b/core/java/android/app/LoaderManager.java
index d83d2e6..ff71ee7 100644
--- a/core/java/android/app/LoaderManager.java
+++ b/core/java/android/app/LoaderManager.java
@@ -17,6 +17,7 @@
 package android.app;
 
 import android.content.Loader;
+import android.content.Loader.OnLoadCanceledListener;
 import android.os.Bundle;
 import android.util.DebugUtils;
 import android.util.Log;
@@ -219,7 +220,8 @@
     
     boolean mCreatingLoader;
 
-    final class LoaderInfo implements Loader.OnLoadCompleteListener<Object> {
+    final class LoaderInfo implements Loader.OnLoadCompleteListener<Object>,
+            Loader.OnLoadCanceledListener<Object> {
         final int mId;
         final Bundle mArgs;
         LoaderManager.LoaderCallbacks<Object> mCallbacks;
@@ -271,6 +273,7 @@
                 }
                 if (!mListenerRegistered) {
                     mLoader.registerListener(mId, this);
+                    mLoader.registerOnLoadCanceledListener(this);
                     mListenerRegistered = true;
                 }
                 mLoader.startLoading();
@@ -329,11 +332,21 @@
                     // Let the loader know we're done with it
                     mListenerRegistered = false;
                     mLoader.unregisterListener(this);
+                    mLoader.unregisterOnLoadCanceledListener(this);
                     mLoader.stopLoading();
                 }
             }
         }
-        
+
+        void cancel() {
+            if (DEBUG) Log.v(TAG, "  Canceling: " + this);
+            if (mStarted && mLoader != null && mListenerRegistered) {
+                if (!mLoader.cancelLoad()) {
+                    onLoadCanceled(mLoader);
+                }
+            }
+        }
+
         void destroy() {
             if (DEBUG) Log.v(TAG, "  Destroying: " + this);
             mDestroyed = true;
@@ -361,6 +374,7 @@
                 if (mListenerRegistered) {
                     mListenerRegistered = false;
                     mLoader.unregisterListener(this);
+                    mLoader.unregisterOnLoadCanceledListener(this);
                 }
                 mLoader.reset();
             }
@@ -368,8 +382,38 @@
                 mPendingLoader.destroy();
             }
         }
-        
-        @Override public void onLoadComplete(Loader<Object> loader, Object data) {
+
+        @Override
+        public void onLoadCanceled(Loader<Object> loader) {
+            if (DEBUG) Log.v(TAG, "onLoadCanceled: " + this);
+
+            if (mDestroyed) {
+                if (DEBUG) Log.v(TAG, "  Ignoring load canceled -- destroyed");
+                return;
+            }
+
+            if (mLoaders.get(mId) != this) {
+                // This cancellation message is not coming from the current active loader.
+                // We don't care about it.
+                if (DEBUG) Log.v(TAG, "  Ignoring load canceled -- not active");
+                return;
+            }
+
+            LoaderInfo pending = mPendingLoader;
+            if (pending != null) {
+                // There is a new request pending and we were just
+                // waiting for the old one to cancel or complete before starting
+                // it.  So now it is time, switch over to the new loader.
+                if (DEBUG) Log.v(TAG, "  Switching to pending loader: " + pending);
+                mPendingLoader = null;
+                mLoaders.put(mId, null);
+                destroy();
+                installLoader(pending);
+            }
+        }
+
+        @Override
+        public void onLoadComplete(Loader<Object> loader, Object data) {
             if (DEBUG) Log.v(TAG, "onLoadComplete: " + this);
             
             if (mDestroyed) {
@@ -632,7 +676,9 @@
                     } else {
                         // Now we have three active loaders... we'll queue
                         // up this request to be processed once one of the other loaders
-                        // finishes.
+                        // finishes or is canceled.
+                        if (DEBUG) Log.v(TAG, "  Current loader is running; attempting to cancel");
+                        info.cancel();
                         if (info.mPendingLoader != null) {
                             if (DEBUG) Log.v(TAG, "  Removing pending loader: " + info.mPendingLoader);
                             info.mPendingLoader.destroy();
diff --git a/core/java/android/content/AsyncTaskLoader.java b/core/java/android/content/AsyncTaskLoader.java
index 944ca6b..da51952 100644
--- a/core/java/android/content/AsyncTaskLoader.java
+++ b/core/java/android/content/AsyncTaskLoader.java
@@ -53,19 +53,33 @@
     static final boolean DEBUG = false;
 
     final class LoadTask extends AsyncTask<Void, Void, D> implements Runnable {
+        private final CountDownLatch mDone = new CountDownLatch(1);
 
-        D result;
+        // Set to true to indicate that the task has been posted to a handler for
+        // execution at a later time.  Used to throttle updates.
         boolean waiting;
 
-        private CountDownLatch done = new CountDownLatch(1);
-
         /* Runs on a worker thread */
         @Override
         protected D doInBackground(Void... params) {
             if (DEBUG) Slog.v(TAG, this + " >>> doInBackground");
-            result = AsyncTaskLoader.this.onLoadInBackground();
-            if (DEBUG) Slog.v(TAG, this + "  <<< doInBackground");
-            return result;
+            try {
+                D data = AsyncTaskLoader.this.onLoadInBackground();
+                if (DEBUG) Slog.v(TAG, this + "  <<< doInBackground");
+                return data;
+            } catch (OperationCanceledException ex) {
+                if (!isCancelled()) {
+                    // onLoadInBackground threw a canceled exception spuriously.
+                    // This is problematic because it means that the LoaderManager did not
+                    // cancel the Loader itself and still expects to receive a result.
+                    // Additionally, the Loader's own state will not have been updated to
+                    // reflect the fact that the task was being canceled.
+                    // So we treat this case as an unhandled exception.
+                    throw ex;
+                }
+                if (DEBUG) Slog.v(TAG, this + "  <<< doInBackground (was canceled)");
+                return null;
+            }
         }
 
         /* Runs on the UI thread */
@@ -75,25 +89,37 @@
             try {
                 AsyncTaskLoader.this.dispatchOnLoadComplete(this, data);
             } finally {
-                done.countDown();
+                mDone.countDown();
             }
         }
 
+        /* Runs on the UI thread */
         @Override
-        protected void onCancelled() {
+        protected void onCancelled(D data) {
             if (DEBUG) Slog.v(TAG, this + " onCancelled");
             try {
-                AsyncTaskLoader.this.dispatchOnCancelled(this, result);
+                AsyncTaskLoader.this.dispatchOnCancelled(this, data);
             } finally {
-                done.countDown();
+                mDone.countDown();
             }
         }
 
+        /* Runs on the UI thread, when the waiting task is posted to a handler.
+         * This method is only executed when task execution was deferred (waiting was true). */
         @Override
         public void run() {
             waiting = false;
             AsyncTaskLoader.this.executePendingTask();
         }
+
+        /* Used for testing purposes to wait for the task to complete. */
+        public void waitForLoader() {
+            try {
+                mDone.await();
+            } catch (InterruptedException e) {
+                // Ignore
+            }
+        }
     }
 
     volatile LoadTask mTask;
@@ -109,7 +135,7 @@
 
     /**
      * Set amount to throttle updates by.  This is the minimum time from
-     * when the last {@link #onLoadInBackground()} call has completed until
+     * when the last {@link #loadInBackground()} call has completed until
      * a new load is scheduled.
      *
      * @param delayMS Amount of delay, in milliseconds.
@@ -130,24 +156,9 @@
         executePendingTask();
     }
 
-    /**
-     * Attempt to cancel the current load task. See {@link AsyncTask#cancel(boolean)}
-     * for more info.  Must be called on the main thread of the process.
-     *
-     * <p>Cancelling is not an immediate operation, since the load is performed
-     * in a background thread.  If there is currently a load in progress, this
-     * method requests that the load be cancelled, and notes this is the case;
-     * once the background thread has completed its work its remaining state
-     * will be cleared.  If another load request comes in during this time,
-     * it will be held until the cancelled load is complete.
-     *
-     * @return Returns <tt>false</tt> if the task could not be cancelled,
-     *         typically because it has already completed normally, or
-     *         because {@link #startLoading()} hasn't been called; returns
-     *         <tt>true</tt> otherwise.
-     */
-    public boolean cancelLoad() {
-        if (DEBUG) Slog.v(TAG, "cancelLoad: mTask=" + mTask);
+    @Override
+    protected boolean onCancelLoad() {
+        if (DEBUG) Slog.v(TAG, "onCancelLoad: mTask=" + mTask);
         if (mTask != null) {
             if (mCancellingTask != null) {
                 // There was a pending task already waiting for a previous
@@ -173,7 +184,7 @@
                 if (DEBUG) Slog.v(TAG, "cancelLoad: cancelled=" + cancelled);
                 if (cancelled) {
                     mCancellingTask = mTask;
-                    onCancelLoadInBackground();
+                    cancelLoadInBackground();
                 }
                 mTask = null;
                 return cancelled;
@@ -184,7 +195,10 @@
 
     /**
      * Called if the task was canceled before it was completed.  Gives the class a chance
-     * to properly dispose of the result.
+     * to clean up post-cancellation and to properly dispose of the result.
+     *
+     * @param data The value that was returned by {@link #loadInBackground}, or null
+     * if the task threw {@link OperationCanceledException}.
      */
     public void onCanceled(D data) {
     }
@@ -218,6 +232,8 @@
             if (DEBUG) Slog.v(TAG, "Cancelled task is now canceled!");
             mLastLoadCompleteTime = SystemClock.uptimeMillis();
             mCancellingTask = null;
+            if (DEBUG) Slog.v(TAG, "Delivering cancellation");
+            deliverCancellation();
             executePendingTask();
         }
     }
@@ -240,38 +256,72 @@
     }
 
     /**
+     * Called on a worker thread to perform the actual load and to return
+     * the result of the load operation.
+     *
+     * Implementations should not deliver the result directly, but should return them
+     * from this method, which will eventually end up calling {@link #deliverResult} on
+     * the UI thread.  If implementations need to process the results on the UI thread
+     * they may override {@link #deliverResult} and do so there.
+     *
+     * To support cancellation, this method should periodically check the value of
+     * {@link #isLoadInBackgroundCanceled} and terminate when it returns true.
+     * Subclasses may also override {@link #cancelLoadInBackground} to interrupt the load
+     * directly instead of polling {@link #isLoadInBackgroundCanceled}.
+     *
+     * When the load is canceled, this method may either return normally or throw
+     * {@link OperationCanceledException}.  In either case, the {@link Loader} will
+     * call {@link #onCanceled} to perform post-cancellation cleanup and to dispose of the
+     * result object, if any.
+     *
+     * @return The result of the load operation.
+     *
+     * @throws OperationCanceledException if the load is canceled during execution.
+     *
+     * @see #isLoadInBackgroundCanceled
+     * @see #cancelLoadInBackground
+     * @see #onCanceled
      */
     public abstract D loadInBackground();
 
     /**
-     * Called on a worker thread to perform the actual load. Implementations should not deliver the
-     * result directly, but should return them from this method, which will eventually end up
-     * calling {@link #deliverResult} on the UI thread. If implementations need to process
-     * the results on the UI thread they may override {@link #deliverResult} and do so
-     * there.
+     * Calls {@link #loadInBackground()}.
      *
-     * @return Implementations must return the result of their load operation.
+     * This method is reserved for use by the loader framework.
+     * Subclasses should override {@link #loadInBackground} instead of this method.
+     *
+     * @return The result of the load operation.
+     *
+     * @throws OperationCanceledException if the load is canceled during execution.
+     *
+     * @see #loadInBackground
      */
     protected D onLoadInBackground() {
         return loadInBackground();
     }
 
     /**
-     * Override this method to try to abort the computation currently taking
-     * place on a background thread.
+     * Called on the main thread to abort a load in progress.
      *
-     * Note that when this method is called, it is possible that {@link #loadInBackground}
-     * has not started yet or has already completed.
+     * Override this method to abort the current invocation of {@link #loadInBackground}
+     * that is running in the background on a worker thread.
+     *
+     * This method should do nothing if {@link #loadInBackground} has not started
+     * running or if it has already finished.
+     *
+     * @see #loadInBackground
      */
-    protected void onCancelLoadInBackground() {
+    public void cancelLoadInBackground() {
     }
 
     /**
-     * Returns true if the current execution of {@link #loadInBackground()} is being canceled.
+     * Returns true if the current invocation of {@link #loadInBackground} is being canceled.
      *
-     * @return True if the current execution of {@link #loadInBackground()} is being canceled.
+     * @return True if the current invocation of {@link #loadInBackground} is being canceled.
+     *
+     * @see #loadInBackground
      */
-    protected boolean isLoadInBackgroundCanceled() {
+    public boolean isLoadInBackgroundCanceled() {
         return mCancellingTask != null;
     }
 
@@ -288,11 +338,7 @@
     public void waitForLoader() {
         LoadTask task = mTask;
         if (task != null) {
-            try {
-                task.done.await();
-            } catch (InterruptedException e) {
-                // Ignore
-            }
+            task.waitForLoader();
         }
     }
 
diff --git a/core/java/android/content/CancelationSignal.java b/core/java/android/content/CancellationSignal.java
similarity index 69%
rename from core/java/android/content/CancelationSignal.java
rename to core/java/android/content/CancellationSignal.java
index 58cf59d..2dbbe54 100644
--- a/core/java/android/content/CancelationSignal.java
+++ b/core/java/android/content/CancellationSignal.java
@@ -21,15 +21,15 @@
 /**
  * Provides the ability to cancel an operation in progress.
  */
-public final class CancelationSignal {
+public final class CancellationSignal {
     private boolean mIsCanceled;
     private OnCancelListener mOnCancelListener;
-    private ICancelationSignal mRemote;
+    private ICancellationSignal mRemote;
 
     /**
-     * Creates a cancelation signal, initially not canceled.
+     * Creates a cancellation signal, initially not canceled.
      */
-    public CancelationSignal() {
+    public CancellationSignal() {
     }
 
     /**
@@ -55,7 +55,7 @@
     }
 
     /**
-     * Cancels the operation and signals the cancelation listener.
+     * Cancels the operation and signals the cancellation listener.
      * If the operation has not yet started, then it will be canceled as soon as it does.
      */
     public void cancel() {
@@ -76,17 +76,23 @@
     }
 
     /**
-     * Sets the cancelation listener to be called when canceled.
-     * If {@link CancelationSignal#cancel} has already been called, then the provided
+     * Sets the cancellation listener to be called when canceled.
+     *
+     * This method is intended to be used by the recipient of a cancellation signal
+     * such as a database or a content provider to handle cancellation requests
+     * while performing a long-running operation.  This method is not intended to be
+     * used by applications themselves.
+     *
+     * If {@link CancellationSignal#cancel} has already been called, then the provided
      * listener is invoked immediately.
      *
-     * The listener is called while holding the cancelation signal's lock which is
+     * The listener is called while holding the cancellation signal's lock which is
      * also held while registering or unregistering the listener.  Because of the lock,
      * it is not possible for the listener to run after it has been unregistered.
-     * This design choice makes it easier for clients of {@link CancelationSignal} to
+     * This design choice makes it easier for clients of {@link CancellationSignal} to
      * prevent race conditions related to listener registration and unregistration.
      *
-     * @param listener The cancelation listener, or null to remove the current listener.
+     * @param listener The cancellation listener, or null to remove the current listener.
      */
     public void setOnCancelListener(OnCancelListener listener) {
         synchronized (this) {
@@ -104,7 +110,7 @@
      *
      * @hide
      */
-    public void setRemote(ICancelationSignal remote) {
+    public void setRemote(ICancellationSignal remote) {
         synchronized (this) {
             mRemote = remote;
             if (mIsCanceled && remote != null) {
@@ -118,47 +124,47 @@
 
     /**
      * Creates a transport that can be returned back to the caller of
-     * a Binder function and subsequently used to dispatch a cancelation signal.
+     * a Binder function and subsequently used to dispatch a cancellation signal.
      *
-     * @return The new cancelation signal transport.
+     * @return The new cancellation signal transport.
      *
      * @hide
      */
-    public static ICancelationSignal createTransport() {
+    public static ICancellationSignal createTransport() {
         return new Transport();
     }
 
     /**
-     * Given a locally created transport, returns its associated cancelation signal.
+     * Given a locally created transport, returns its associated cancellation signal.
      *
      * @param transport The locally created transport, or null if none.
-     * @return The associated cancelation signal, or null if none.
+     * @return The associated cancellation signal, or null if none.
      *
      * @hide
      */
-    public static CancelationSignal fromTransport(ICancelationSignal transport) {
+    public static CancellationSignal fromTransport(ICancellationSignal transport) {
         if (transport instanceof Transport) {
-            return ((Transport)transport).mCancelationSignal;
+            return ((Transport)transport).mCancellationSignal;
         }
         return null;
     }
 
     /**
-     * Listens for cancelation.
+     * Listens for cancellation.
      */
     public interface OnCancelListener {
         /**
-         * Called when {@link CancelationSignal#cancel} is invoked.
+         * Called when {@link CancellationSignal#cancel} is invoked.
          */
         void onCancel();
     }
 
-    private static final class Transport extends ICancelationSignal.Stub {
-        final CancelationSignal mCancelationSignal = new CancelationSignal();
+    private static final class Transport extends ICancellationSignal.Stub {
+        final CancellationSignal mCancellationSignal = new CancellationSignal();
 
         @Override
         public void cancel() throws RemoteException {
-            mCancelationSignal.cancel();
+            mCancellationSignal.cancel();
         }
     }
 }
diff --git a/core/java/android/content/ContentProvider.java b/core/java/android/content/ContentProvider.java
index adbeb6a..12e3ccf 100644
--- a/core/java/android/content/ContentProvider.java
+++ b/core/java/android/content/ContentProvider.java
@@ -178,10 +178,10 @@
         @Override
         public Cursor query(Uri uri, String[] projection,
                 String selection, String[] selectionArgs, String sortOrder,
-                ICancelationSignal cancelationSignal) {
+                ICancellationSignal cancellationSignal) {
             enforceReadPermission(uri);
             return ContentProvider.this.query(uri, projection, selection, selectionArgs, sortOrder,
-                    CancelationSignal.fromTransport(cancelationSignal));
+                    CancellationSignal.fromTransport(cancellationSignal));
         }
 
         @Override
@@ -263,8 +263,8 @@
         }
 
         @Override
-        public ICancelationSignal createCancelationSignal() throws RemoteException {
-            return CancelationSignal.createTransport();
+        public ICancellationSignal createCancellationSignal() throws RemoteException {
+            return CancellationSignal.createTransport();
         }
 
         private void enforceReadPermission(Uri uri) {
@@ -557,7 +557,7 @@
             String selection, String[] selectionArgs, String sortOrder);
 
     /**
-     * Implement this to handle query requests from clients with support for cancelation.
+     * Implement this to handle query requests from clients with support for cancellation.
      * This method can be called from multiple threads, as described in
      * <a href="{@docRoot}guide/topics/fundamentals/processes-and-threads.html#Threads">Processes
      * and Threads</a>.
@@ -597,9 +597,9 @@
         return c;</pre>
      * <p>
      * If you implement this method then you must also implement the version of
-     * {@link #query(Uri, String[], String, String[], String)} that does not take a cancelation
-     * provider to ensure correct operation on older versions of the Android Framework in
-     * which the cancelation signal overload was not available.
+     * {@link #query(Uri, String[], String, String[], String)} that does not take a cancellation
+     * signal to ensure correct operation on older versions of the Android Framework in
+     * which the cancellation signal overload was not available.
      *
      * @param uri The URI to query. This will be the full URI sent by the client;
      *      if the client is requesting a specific record, the URI will end in a record number
@@ -614,14 +614,14 @@
      *      The values will be bound as Strings.
      * @param sortOrder How the rows in the cursor should be sorted.
      *      If null then the provider is free to define the sort order.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * If the operation is canceled, then {@link OperationCanceledException} will be thrown
      * when the query is executed.
      * @return a Cursor or null.
      */
     public Cursor query(Uri uri, String[] projection,
             String selection, String[] selectionArgs, String sortOrder,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         return query(uri, projection, selection, selectionArgs, sortOrder);
     }
 
diff --git a/core/java/android/content/ContentProviderClient.java b/core/java/android/content/ContentProviderClient.java
index 9a1fa65..3ac5e07 100644
--- a/core/java/android/content/ContentProviderClient.java
+++ b/core/java/android/content/ContentProviderClient.java
@@ -52,15 +52,15 @@
 
     /** See {@link ContentProvider#query ContentProvider.query} */
     public Cursor query(Uri url, String[] projection, String selection,
-            String[] selectionArgs, String sortOrder, CancelationSignal cancelationSignal)
+            String[] selectionArgs, String sortOrder, CancellationSignal cancellationSignal)
                     throws RemoteException {
-        ICancelationSignal remoteCancelationSignal = null;
-        if (cancelationSignal != null) {
-            remoteCancelationSignal = mContentProvider.createCancelationSignal();
-            cancelationSignal.setRemote(remoteCancelationSignal);
+        ICancellationSignal remoteCancellationSignal = null;
+        if (cancellationSignal != null) {
+            remoteCancellationSignal = mContentProvider.createCancellationSignal();
+            cancellationSignal.setRemote(remoteCancellationSignal);
         }
         return mContentProvider.query(url, projection, selection,  selectionArgs, sortOrder,
-                remoteCancelationSignal);
+                remoteCancellationSignal);
     }
 
     /** See {@link ContentProvider#getType ContentProvider.getType} */
diff --git a/core/java/android/content/ContentProviderNative.java b/core/java/android/content/ContentProviderNative.java
index e0e277a..eb83dbc 100644
--- a/core/java/android/content/ContentProviderNative.java
+++ b/core/java/android/content/ContentProviderNative.java
@@ -105,11 +105,11 @@
                     String sortOrder = data.readString();
                     IContentObserver observer = IContentObserver.Stub.asInterface(
                             data.readStrongBinder());
-                    ICancelationSignal cancelationSignal = ICancelationSignal.Stub.asInterface(
+                    ICancellationSignal cancellationSignal = ICancellationSignal.Stub.asInterface(
                             data.readStrongBinder());
 
                     Cursor cursor = query(url, projection, selection, selectionArgs, sortOrder,
-                            cancelationSignal);
+                            cancellationSignal);
                     if (cursor != null) {
                         CursorToBulkCursorAdaptor adaptor = new CursorToBulkCursorAdaptor(
                                 cursor, observer, getProviderName());
@@ -300,9 +300,9 @@
                 {
                     data.enforceInterface(IContentProvider.descriptor);
 
-                    ICancelationSignal cancelationSignal = createCancelationSignal();
+                    ICancellationSignal cancellationSignal = createCancellationSignal();
                     reply.writeNoException();
-                    reply.writeStrongBinder(cancelationSignal.asBinder());
+                    reply.writeStrongBinder(cancellationSignal.asBinder());
                     return true;
                 }
             }
@@ -334,7 +334,7 @@
     }
 
     public Cursor query(Uri url, String[] projection, String selection,
-            String[] selectionArgs, String sortOrder, ICancelationSignal cancelationSignal)
+            String[] selectionArgs, String sortOrder, ICancellationSignal cancellationSignal)
                     throws RemoteException {
         BulkCursorToCursorAdaptor adaptor = new BulkCursorToCursorAdaptor();
         Parcel data = Parcel.obtain();
@@ -363,7 +363,7 @@
             }
             data.writeString(sortOrder);
             data.writeStrongBinder(adaptor.getObserver().asBinder());
-            data.writeStrongBinder(cancelationSignal != null ? cancelationSignal.asBinder() : null);
+            data.writeStrongBinder(cancellationSignal != null ? cancellationSignal.asBinder() : null);
 
             mRemote.transact(IContentProvider.QUERY_TRANSACTION, data, reply, 0);
 
@@ -632,7 +632,7 @@
         }
     }
 
-    public ICancelationSignal createCancelationSignal() throws RemoteException {
+    public ICancellationSignal createCancellationSignal() throws RemoteException {
         Parcel data = Parcel.obtain();
         Parcel reply = Parcel.obtain();
         try {
@@ -642,9 +642,9 @@
                     data, reply, 0);
 
             DatabaseUtils.readExceptionFromParcel(reply);
-            ICancelationSignal cancelationSignal = ICancelationSignal.Stub.asInterface(
+            ICancellationSignal cancellationSignal = ICancellationSignal.Stub.asInterface(
                     reply.readStrongBinder());
-            return cancelationSignal;
+            return cancellationSignal;
         } finally {
             data.recycle();
             reply.recycle();
diff --git a/core/java/android/content/ContentResolver.java b/core/java/android/content/ContentResolver.java
index e79475a..96a65da 100644
--- a/core/java/android/content/ContentResolver.java
+++ b/core/java/android/content/ContentResolver.java
@@ -335,7 +335,7 @@
      * @param sortOrder How to order the rows, formatted as an SQL ORDER BY
      *         clause (excluding the ORDER BY itself). Passing null will use the
      *         default sort order, which may be unordered.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * If the operation is canceled, then {@link OperationCanceledException} will be thrown
      * when the query is executed.
      * @return A Cursor object, which is positioned before the first entry, or null
@@ -343,7 +343,7 @@
      */
     public final Cursor query(final Uri uri, String[] projection,
             String selection, String[] selectionArgs, String sortOrder,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         IContentProvider provider = acquireProvider(uri);
         if (provider == null) {
             return null;
@@ -351,14 +351,14 @@
         try {
             long startTime = SystemClock.uptimeMillis();
 
-            ICancelationSignal remoteCancelationSignal = null;
-            if (cancelationSignal != null) {
-                cancelationSignal.throwIfCanceled();
-                remoteCancelationSignal = provider.createCancelationSignal();
-                cancelationSignal.setRemote(remoteCancelationSignal);
+            ICancellationSignal remoteCancellationSignal = null;
+            if (cancellationSignal != null) {
+                cancellationSignal.throwIfCanceled();
+                remoteCancellationSignal = provider.createCancellationSignal();
+                cancellationSignal.setRemote(remoteCancellationSignal);
             }
             Cursor qCursor = provider.query(uri, projection,
-                    selection, selectionArgs, sortOrder, remoteCancelationSignal);
+                    selection, selectionArgs, sortOrder, remoteCancellationSignal);
             if (qCursor == null) {
                 releaseProvider(provider);
                 return null;
diff --git a/core/java/android/content/CursorLoader.java b/core/java/android/content/CursorLoader.java
index 6e4aca8..aed3728 100644
--- a/core/java/android/content/CursorLoader.java
+++ b/core/java/android/content/CursorLoader.java
@@ -48,7 +48,7 @@
     String mSortOrder;
 
     Cursor mCursor;
-    CancelationSignal mCancelationSignal;
+    CancellationSignal mCancellationSignal;
 
     /* Runs on a worker thread */
     @Override
@@ -57,11 +57,11 @@
             if (isLoadInBackgroundCanceled()) {
                 throw new OperationCanceledException();
             }
-            mCancelationSignal = new CancelationSignal();
+            mCancellationSignal = new CancellationSignal();
         }
         try {
             Cursor cursor = getContext().getContentResolver().query(mUri, mProjection, mSelection,
-                    mSelectionArgs, mSortOrder, mCancelationSignal);
+                    mSelectionArgs, mSortOrder, mCancellationSignal);
             if (cursor != null) {
                 // Ensure the cursor window is filled
                 cursor.getCount();
@@ -70,18 +70,18 @@
             return cursor;
         } finally {
             synchronized (this) {
-                mCancelationSignal = null;
+                mCancellationSignal = null;
             }
         }
     }
 
     @Override
-    protected void onCancelLoadInBackground() {
-        super.onCancelLoadInBackground();
+    public void cancelLoadInBackground() {
+        super.cancelLoadInBackground();
 
         synchronized (this) {
-            if (mCancelationSignal != null) {
-                mCancelationSignal.cancel();
+            if (mCancellationSignal != null) {
+                mCancellationSignal.cancel();
             }
         }
     }
diff --git a/core/java/android/content/ICancelationSignal.aidl b/core/java/android/content/ICancellationSignal.aidl
similarity index 95%
rename from core/java/android/content/ICancelationSignal.aidl
rename to core/java/android/content/ICancellationSignal.aidl
index 3f5a24d..cf1c5d3 100644
--- a/core/java/android/content/ICancelationSignal.aidl
+++ b/core/java/android/content/ICancellationSignal.aidl
@@ -19,6 +19,6 @@
 /**
  * @hide
  */
-interface ICancelationSignal {
+interface ICancellationSignal {
     oneway void cancel();
 }
diff --git a/core/java/android/content/IContentProvider.java b/core/java/android/content/IContentProvider.java
index f52157f..16478b7 100644
--- a/core/java/android/content/IContentProvider.java
+++ b/core/java/android/content/IContentProvider.java
@@ -34,7 +34,7 @@
  */
 public interface IContentProvider extends IInterface {
     public Cursor query(Uri url, String[] projection, String selection,
-            String[] selectionArgs, String sortOrder, ICancelationSignal cancelationSignal)
+            String[] selectionArgs, String sortOrder, ICancellationSignal cancellationSignal)
                     throws RemoteException;
     public String getType(Uri url) throws RemoteException;
     public Uri insert(Uri url, ContentValues initialValues)
@@ -51,7 +51,7 @@
     public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations)
             throws RemoteException, OperationApplicationException;
     public Bundle call(String method, String arg, Bundle extras) throws RemoteException;
-    public ICancelationSignal createCancelationSignal() throws RemoteException;
+    public ICancellationSignal createCancellationSignal() throws RemoteException;
 
     // Data interchange.
     public String[] getStreamTypes(Uri url, String mimeTypeFilter) throws RemoteException;
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index fbc1b2b..ab62c44 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -2957,6 +2957,13 @@
      */
     public static final int FLAG_RECEIVER_REPLACE_PENDING = 0x20000000;
     /**
+     * If set, when sending a broadcast the recipient is allowed to run at
+     * foreground priority, with a shorter timeout interval.  During normal
+     * broadcasts the receivers are not automatically hoisted out of the
+     * background priority class.
+     */
+    public static final int FLAG_RECEIVER_FOREGROUND = 0x10000000;
+    /**
      * If set, when sending a broadcast <i>before boot has completed</i> only
      * registered receivers will be called -- no BroadcastReceiver components
      * will be launched.  Sticky intent state will be recorded properly even
@@ -2969,14 +2976,14 @@
      *
      * @hide
      */
-    public static final int FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT = 0x10000000;
+    public static final int FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT = 0x08000000;
     /**
      * Set when this broadcast is for a boot upgrade, a special mode that
      * allows the broadcast to be sent before the system is ready and launches
      * the app process with no providers running in it.
      * @hide
      */
-    public static final int FLAG_RECEIVER_BOOT_UPGRADE = 0x08000000;
+    public static final int FLAG_RECEIVER_BOOT_UPGRADE = 0x04000000;
 
     /**
      * @hide Flags that can't be changed with PendingIntent.
diff --git a/core/java/android/content/Loader.java b/core/java/android/content/Loader.java
index ac05682..3052414 100644
--- a/core/java/android/content/Loader.java
+++ b/core/java/android/content/Loader.java
@@ -52,6 +52,7 @@
 public class Loader<D> {
     int mId;
     OnLoadCompleteListener<D> mListener;
+    OnLoadCanceledListener<D> mOnLoadCanceledListener;
     Context mContext;
     boolean mStarted = false;
     boolean mAbandoned = false;
@@ -100,6 +101,23 @@
     }
 
     /**
+     * Interface that is implemented to discover when a Loader has been canceled
+     * before it finished loading its data.  You do not normally need to implement
+     * this yourself; it is used in the implementation of {@link android.app.LoaderManager}
+     * to find out when a Loader it is managing has been canceled so that it
+     * can schedule the next Loader.  This interface should only be used if a
+     * Loader is not being used in conjunction with LoaderManager.
+     */
+    public interface OnLoadCanceledListener<D> {
+        /**
+         * Called on the thread that created the Loader when the load is canceled.
+         *
+         * @param loader the loader that canceled the load
+         */
+        public void onLoadCanceled(Loader<D> loader);
+    }
+
+    /**
      * Stores away the application context associated with context.
      * Since Loaders can be used across multiple activities it's dangerous to
      * store the context directly; always use {@link #getContext()} to retrieve
@@ -127,6 +145,18 @@
     }
 
     /**
+     * Informs the registered {@link OnLoadCanceledListener} that the load has been canceled.
+     * Should only be called by subclasses.
+     *
+     * Must be called from the process's main thread.
+     */
+    public void deliverCancellation() {
+        if (mOnLoadCanceledListener != null) {
+            mOnLoadCanceledListener.onLoadCanceled(this);
+        }
+    }
+
+    /**
      * @return an application context retrieved from the Context passed to the constructor.
      */
     public Context getContext() {
@@ -171,6 +201,40 @@
     }
 
     /**
+     * Registers a listener that will receive callbacks when a load is canceled.
+     * The callback will be called on the process's main thread so it's safe to
+     * pass the results to widgets.
+     *
+     * Must be called from the process's main thread.
+     *
+     * @param listener The listener to register.
+     */
+    public void registerOnLoadCanceledListener(OnLoadCanceledListener<D> listener) {
+        if (mOnLoadCanceledListener != null) {
+            throw new IllegalStateException("There is already a listener registered");
+        }
+        mOnLoadCanceledListener = listener;
+    }
+
+    /**
+     * Unregisters a listener that was previously added with
+     * {@link #registerOnLoadCanceledListener}.
+     *
+     * Must be called from the process's main thread.
+     *
+     * @param listener The listener to unregister.
+     */
+    public void unregisterOnLoadCanceledListener(OnLoadCanceledListener<D> listener) {
+        if (mOnLoadCanceledListener == null) {
+            throw new IllegalStateException("No listener register");
+        }
+        if (mOnLoadCanceledListener != listener) {
+            throw new IllegalArgumentException("Attempting to unregister the wrong listener");
+        }
+        mOnLoadCanceledListener = null;
+    }
+
+    /**
      * Return whether this load has been started.  That is, its {@link #startLoading()}
      * has been called and no calls to {@link #stopLoading()} or
      * {@link #reset()} have yet been made.
@@ -234,6 +298,43 @@
     }
 
     /**
+     * Attempt to cancel the current load task.
+     * Must be called on the main thread of the process.
+     *
+     * <p>Cancellation is not an immediate operation, since the load is performed
+     * in a background thread.  If there is currently a load in progress, this
+     * method requests that the load be canceled, and notes this is the case;
+     * once the background thread has completed its work its remaining state
+     * will be cleared.  If another load request comes in during this time,
+     * it will be held until the canceled load is complete.
+     *
+     * @return Returns <tt>false</tt> if the task could not be canceled,
+     * typically because it has already completed normally, or
+     * because {@link #startLoading()} hasn't been called; returns
+     * <tt>true</tt> otherwise.  When <tt>true</tt> is returned, the task
+     * is still running and the {@link OnLoadCanceledListener} will be called
+     * when the task completes.
+     */
+    public boolean cancelLoad() {
+        return onCancelLoad();
+    }
+
+    /**
+     * Subclasses must implement this to take care of requests to {@link #cancelLoad()}.
+     * This will always be called from the process's main thread.
+     *
+     * @return Returns <tt>false</tt> if the task could not be canceled,
+     * typically because it has already completed normally, or
+     * because {@link #startLoading()} hasn't been called; returns
+     * <tt>true</tt> otherwise.  When <tt>true</tt> is returned, the task
+     * is still running and the {@link OnLoadCanceledListener} will be called
+     * when the task completes.
+     */
+    protected boolean onCancelLoad() {
+        return false;
+    }
+
+    /**
      * Force an asynchronous load. Unlike {@link #startLoading()} this will ignore a previously
      * loaded data set and load a new one.  This simply calls through to the
      * implementation's {@link #onForceLoad()}.  You generally should only call this
diff --git a/core/java/android/content/OperationCanceledException.java b/core/java/android/content/OperationCanceledException.java
index 24afcfa..d783a07 100644
--- a/core/java/android/content/OperationCanceledException.java
+++ b/core/java/android/content/OperationCanceledException.java
@@ -19,7 +19,7 @@
 /**
  * An exception type that is thrown when an operation in progress is canceled.
  *
- * @see CancelationSignal
+ * @see CancellationSignal
  */
 public class OperationCanceledException extends RuntimeException {
     public OperationCanceledException() {
diff --git a/core/java/android/database/DatabaseUtils.java b/core/java/android/database/DatabaseUtils.java
index b69d9bf..0022118 100644
--- a/core/java/android/database/DatabaseUtils.java
+++ b/core/java/android/database/DatabaseUtils.java
@@ -21,6 +21,7 @@
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.OperationApplicationException;
+import android.content.OperationCanceledException;
 import android.database.sqlite.SQLiteAbortException;
 import android.database.sqlite.SQLiteConstraintException;
 import android.database.sqlite.SQLiteDatabase;
@@ -107,6 +108,9 @@
             code = 9;
         } else if (e instanceof OperationApplicationException) {
             code = 10;
+        } else if (e instanceof OperationCanceledException) {
+            code = 11;
+            logException = false;
         } else {
             reply.writeException(e);
             Log.e(TAG, "Writing exception to parcel", e);
@@ -178,6 +182,8 @@
                 throw new SQLiteDiskIOException(msg);
             case 9:
                 throw new SQLiteException(msg);
+            case 11:
+                throw new OperationCanceledException(msg);
             default:
                 reply.readException(code, msg);
         }
diff --git a/core/java/android/database/sqlite/SQLiteConnection.java b/core/java/android/database/sqlite/SQLiteConnection.java
index 710bd53..b5cef81 100644
--- a/core/java/android/database/sqlite/SQLiteConnection.java
+++ b/core/java/android/database/sqlite/SQLiteConnection.java
@@ -19,7 +19,7 @@
 import dalvik.system.BlockGuard;
 import dalvik.system.CloseGuard;
 
-import android.content.CancelationSignal;
+import android.content.CancellationSignal;
 import android.content.OperationCanceledException;
 import android.database.Cursor;
 import android.database.CursorWindow;
@@ -84,7 +84,7 @@
  *
  * @hide
  */
-public final class SQLiteConnection implements CancelationSignal.OnCancelListener {
+public final class SQLiteConnection implements CancellationSignal.OnCancelListener {
     private static final String TAG = "SQLiteConnection";
     private static final boolean DEBUG = false;
 
@@ -110,11 +110,11 @@
 
     private boolean mOnlyAllowReadOnlyOperations;
 
-    // The number of times attachCancelationSignal has been called.
+    // The number of times attachCancellationSignal has been called.
     // Because SQLite statement execution can be re-entrant, we keep track of how many
-    // times we have attempted to attach a cancelation signal to the connection so that
+    // times we have attempted to attach a cancellation signal to the connection so that
     // we can ensure that we detach the signal at the right time.
-    private int mCancelationSignalAttachCount;
+    private int mCancellationSignalAttachCount;
 
     private static native int nativeOpen(String path, int openFlags, String label,
             boolean enableTrace, boolean enableProfile);
@@ -355,14 +355,14 @@
      *
      * @param sql The SQL statement to execute.
      * @param bindArgs The arguments to bind, or null if none.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      *
      * @throws SQLiteException if an error occurs, such as a syntax error
      * or invalid number of bind arguments.
      * @throws OperationCanceledException if the operation was canceled.
      */
     public void execute(String sql, Object[] bindArgs,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
@@ -374,11 +374,11 @@
                 throwIfStatementForbidden(statement);
                 bindArguments(statement, bindArgs);
                 applyBlockGuardPolicy(statement);
-                attachCancelationSignal(cancelationSignal);
+                attachCancellationSignal(cancellationSignal);
                 try {
                     nativeExecute(mConnectionPtr, statement.mStatementPtr);
                 } finally {
-                    detachCancelationSignal(cancelationSignal);
+                    detachCancellationSignal(cancellationSignal);
                 }
             } finally {
                 releasePreparedStatement(statement);
@@ -396,7 +396,7 @@
      *
      * @param sql The SQL statement to execute.
      * @param bindArgs The arguments to bind, or null if none.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The value of the first column in the first row of the result set
      * as a <code>long</code>, or zero if none.
      *
@@ -405,7 +405,7 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public long executeForLong(String sql, Object[] bindArgs,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
@@ -417,11 +417,11 @@
                 throwIfStatementForbidden(statement);
                 bindArguments(statement, bindArgs);
                 applyBlockGuardPolicy(statement);
-                attachCancelationSignal(cancelationSignal);
+                attachCancellationSignal(cancellationSignal);
                 try {
                     return nativeExecuteForLong(mConnectionPtr, statement.mStatementPtr);
                 } finally {
-                    detachCancelationSignal(cancelationSignal);
+                    detachCancellationSignal(cancellationSignal);
                 }
             } finally {
                 releasePreparedStatement(statement);
@@ -439,7 +439,7 @@
      *
      * @param sql The SQL statement to execute.
      * @param bindArgs The arguments to bind, or null if none.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The value of the first column in the first row of the result set
      * as a <code>String</code>, or null if none.
      *
@@ -448,7 +448,7 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public String executeForString(String sql, Object[] bindArgs,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
@@ -460,11 +460,11 @@
                 throwIfStatementForbidden(statement);
                 bindArguments(statement, bindArgs);
                 applyBlockGuardPolicy(statement);
-                attachCancelationSignal(cancelationSignal);
+                attachCancellationSignal(cancellationSignal);
                 try {
                     return nativeExecuteForString(mConnectionPtr, statement.mStatementPtr);
                 } finally {
-                    detachCancelationSignal(cancelationSignal);
+                    detachCancellationSignal(cancellationSignal);
                 }
             } finally {
                 releasePreparedStatement(statement);
@@ -483,7 +483,7 @@
      *
      * @param sql The SQL statement to execute.
      * @param bindArgs The arguments to bind, or null if none.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The file descriptor for a shared memory region that contains
      * the value of the first column in the first row of the result set as a BLOB,
      * or null if none.
@@ -493,7 +493,7 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public ParcelFileDescriptor executeForBlobFileDescriptor(String sql, Object[] bindArgs,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
@@ -506,13 +506,13 @@
                 throwIfStatementForbidden(statement);
                 bindArguments(statement, bindArgs);
                 applyBlockGuardPolicy(statement);
-                attachCancelationSignal(cancelationSignal);
+                attachCancellationSignal(cancellationSignal);
                 try {
                     int fd = nativeExecuteForBlobFileDescriptor(
                             mConnectionPtr, statement.mStatementPtr);
                     return fd >= 0 ? ParcelFileDescriptor.adoptFd(fd) : null;
                 } finally {
-                    detachCancelationSignal(cancelationSignal);
+                    detachCancellationSignal(cancellationSignal);
                 }
             } finally {
                 releasePreparedStatement(statement);
@@ -531,7 +531,7 @@
      *
      * @param sql The SQL statement to execute.
      * @param bindArgs The arguments to bind, or null if none.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The number of rows that were changed.
      *
      * @throws SQLiteException if an error occurs, such as a syntax error
@@ -539,7 +539,7 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public int executeForChangedRowCount(String sql, Object[] bindArgs,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
@@ -552,12 +552,12 @@
                 throwIfStatementForbidden(statement);
                 bindArguments(statement, bindArgs);
                 applyBlockGuardPolicy(statement);
-                attachCancelationSignal(cancelationSignal);
+                attachCancellationSignal(cancellationSignal);
                 try {
                     return nativeExecuteForChangedRowCount(
                             mConnectionPtr, statement.mStatementPtr);
                 } finally {
-                    detachCancelationSignal(cancelationSignal);
+                    detachCancellationSignal(cancellationSignal);
                 }
             } finally {
                 releasePreparedStatement(statement);
@@ -576,7 +576,7 @@
      *
      * @param sql The SQL statement to execute.
      * @param bindArgs The arguments to bind, or null if none.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The row id of the last row that was inserted, or 0 if none.
      *
      * @throws SQLiteException if an error occurs, such as a syntax error
@@ -584,7 +584,7 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public long executeForLastInsertedRowId(String sql, Object[] bindArgs,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
@@ -597,12 +597,12 @@
                 throwIfStatementForbidden(statement);
                 bindArguments(statement, bindArgs);
                 applyBlockGuardPolicy(statement);
-                attachCancelationSignal(cancelationSignal);
+                attachCancellationSignal(cancellationSignal);
                 try {
                     return nativeExecuteForLastInsertedRowId(
                             mConnectionPtr, statement.mStatementPtr);
                 } finally {
-                    detachCancelationSignal(cancelationSignal);
+                    detachCancellationSignal(cancellationSignal);
                 }
             } finally {
                 releasePreparedStatement(statement);
@@ -629,7 +629,7 @@
      * so that it does.  Must be greater than or equal to <code>startPos</code>.
      * @param countAllRows True to count all rows that the query would return
      * regagless of whether they fit in the window.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The number of rows that were counted during query execution.  Might
      * not be all rows in the result set unless <code>countAllRows</code> is true.
      *
@@ -639,7 +639,7 @@
      */
     public int executeForCursorWindow(String sql, Object[] bindArgs,
             CursorWindow window, int startPos, int requiredPos, boolean countAllRows,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
@@ -658,7 +658,7 @@
                 throwIfStatementForbidden(statement);
                 bindArguments(statement, bindArgs);
                 applyBlockGuardPolicy(statement);
-                attachCancelationSignal(cancelationSignal);
+                attachCancellationSignal(cancellationSignal);
                 try {
                     final long result = nativeExecuteForCursorWindow(
                             mConnectionPtr, statement.mStatementPtr, window.mWindowPtr,
@@ -669,7 +669,7 @@
                     window.setStartPosition(actualPos);
                     return countedRows;
                 } finally {
-                    detachCancelationSignal(cancelationSignal);
+                    detachCancellationSignal(cancellationSignal);
                 }
             } finally {
                 releasePreparedStatement(statement);
@@ -751,40 +751,40 @@
         recyclePreparedStatement(statement);
     }
 
-    private void attachCancelationSignal(CancelationSignal cancelationSignal) {
-        if (cancelationSignal != null) {
-            cancelationSignal.throwIfCanceled();
+    private void attachCancellationSignal(CancellationSignal cancellationSignal) {
+        if (cancellationSignal != null) {
+            cancellationSignal.throwIfCanceled();
 
-            mCancelationSignalAttachCount += 1;
-            if (mCancelationSignalAttachCount == 1) {
-                // Reset cancelation flag before executing the statement.
+            mCancellationSignalAttachCount += 1;
+            if (mCancellationSignalAttachCount == 1) {
+                // Reset cancellation flag before executing the statement.
                 nativeResetCancel(mConnectionPtr, true /*cancelable*/);
 
                 // After this point, onCancel() may be called concurrently.
-                cancelationSignal.setOnCancelListener(this);
+                cancellationSignal.setOnCancelListener(this);
             }
         }
     }
 
-    private void detachCancelationSignal(CancelationSignal cancelationSignal) {
-        if (cancelationSignal != null) {
-            assert mCancelationSignalAttachCount > 0;
+    private void detachCancellationSignal(CancellationSignal cancellationSignal) {
+        if (cancellationSignal != null) {
+            assert mCancellationSignalAttachCount > 0;
 
-            mCancelationSignalAttachCount -= 1;
-            if (mCancelationSignalAttachCount == 0) {
+            mCancellationSignalAttachCount -= 1;
+            if (mCancellationSignalAttachCount == 0) {
                 // After this point, onCancel() cannot be called concurrently.
-                cancelationSignal.setOnCancelListener(null);
+                cancellationSignal.setOnCancelListener(null);
 
-                // Reset cancelation flag after executing the statement.
+                // Reset cancellation flag after executing the statement.
                 nativeResetCancel(mConnectionPtr, false /*cancelable*/);
             }
         }
     }
 
-    // CancelationSignal.OnCancelationListener callback.
+    // CancellationSignal.OnCancelListener callback.
     // This method may be called on a different thread than the executing statement.
-    // However, it will only be called between calls to attachCancelationSignal and
-    // detachCancelationSignal, while a statement is executing.  We can safely assume
+    // However, it will only be called between calls to attachCancellationSignal and
+    // detachCancellationSignal, while a statement is executing.  We can safely assume
     // that the SQLite connection is still alive.
     @Override
     public void onCancel() {
diff --git a/core/java/android/database/sqlite/SQLiteConnectionPool.java b/core/java/android/database/sqlite/SQLiteConnectionPool.java
index d335738..236948e 100644
--- a/core/java/android/database/sqlite/SQLiteConnectionPool.java
+++ b/core/java/android/database/sqlite/SQLiteConnectionPool.java
@@ -18,7 +18,7 @@
 
 import dalvik.system.CloseGuard;
 
-import android.content.CancelationSignal;
+import android.content.CancellationSignal;
 import android.content.OperationCanceledException;
 import android.database.sqlite.SQLiteDebug.DbStats;
 import android.os.SystemClock;
@@ -284,7 +284,7 @@
      * @param sql If not null, try to find a connection that already has
      * the specified SQL statement in its prepared statement cache.
      * @param connectionFlags The connection request flags.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The connection that was acquired, never null.
      *
      * @throws IllegalStateException if the pool has been closed.
@@ -292,8 +292,8 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public SQLiteConnection acquireConnection(String sql, int connectionFlags,
-            CancelationSignal cancelationSignal) {
-        return waitForConnection(sql, connectionFlags, cancelationSignal);
+            CancellationSignal cancellationSignal) {
+        return waitForConnection(sql, connectionFlags, cancellationSignal);
     }
 
     /**
@@ -503,7 +503,7 @@
 
     // Might throw.
     private SQLiteConnection waitForConnection(String sql, int connectionFlags,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         final boolean wantPrimaryConnection =
                 (connectionFlags & CONNECTION_FLAG_PRIMARY_CONNECTION_AFFINITY) != 0;
 
@@ -512,8 +512,8 @@
             throwIfClosedLocked();
 
             // Abort if canceled.
-            if (cancelationSignal != null) {
-                cancelationSignal.throwIfCanceled();
+            if (cancellationSignal != null) {
+                cancellationSignal.throwIfCanceled();
             }
 
             // Try to acquire a connection.
@@ -550,9 +550,9 @@
                 mConnectionWaiterQueue = waiter;
             }
 
-            if (cancelationSignal != null) {
+            if (cancellationSignal != null) {
                 final int nonce = waiter.mNonce;
-                cancelationSignal.setOnCancelListener(new CancelationSignal.OnCancelListener() {
+                cancellationSignal.setOnCancelListener(new CancellationSignal.OnCancelListener() {
                     @Override
                     public void onCancel() {
                         synchronized (mLock) {
@@ -588,8 +588,8 @@
                 final SQLiteConnection connection = waiter.mAssignedConnection;
                 final RuntimeException ex = waiter.mException;
                 if (connection != null || ex != null) {
-                    if (cancelationSignal != null) {
-                        cancelationSignal.setOnCancelListener(null);
+                    if (cancellationSignal != null) {
+                        cancellationSignal.setOnCancelListener(null);
                     }
                     recycleConnectionWaiterLocked(waiter);
                     if (connection != null) {
diff --git a/core/java/android/database/sqlite/SQLiteDatabase.java b/core/java/android/database/sqlite/SQLiteDatabase.java
index 7db7bfb..505f83e 100644
--- a/core/java/android/database/sqlite/SQLiteDatabase.java
+++ b/core/java/android/database/sqlite/SQLiteDatabase.java
@@ -16,7 +16,7 @@
 
 package android.database.sqlite;
 
-import android.content.CancelationSignal;
+import android.content.CancellationSignal;
 import android.content.ContentValues;
 import android.content.OperationCanceledException;
 import android.content.res.Resources;
@@ -967,7 +967,7 @@
      *            default sort order, which may be unordered.
      * @param limit Limits the number of rows returned by the query,
      *            formatted as LIMIT clause. Passing null denotes no LIMIT clause.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * If the operation is canceled, then {@link OperationCanceledException} will be thrown
      * when the query is executed.
      * @return A {@link Cursor} object, which is positioned before the first entry. Note that
@@ -976,9 +976,9 @@
      */
     public Cursor query(boolean distinct, String table, String[] columns,
             String selection, String[] selectionArgs, String groupBy,
-            String having, String orderBy, String limit, CancelationSignal cancelationSignal) {
+            String having, String orderBy, String limit, CancellationSignal cancellationSignal) {
         return queryWithFactory(null, distinct, table, columns, selection, selectionArgs,
-                groupBy, having, orderBy, limit, cancelationSignal);
+                groupBy, having, orderBy, limit, cancellationSignal);
     }
 
     /**
@@ -1049,7 +1049,7 @@
      *            default sort order, which may be unordered.
      * @param limit Limits the number of rows returned by the query,
      *            formatted as LIMIT clause. Passing null denotes no LIMIT clause.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * If the operation is canceled, then {@link OperationCanceledException} will be thrown
      * when the query is executed.
      * @return A {@link Cursor} object, which is positioned before the first entry. Note that
@@ -1059,13 +1059,13 @@
     public Cursor queryWithFactory(CursorFactory cursorFactory,
             boolean distinct, String table, String[] columns,
             String selection, String[] selectionArgs, String groupBy,
-            String having, String orderBy, String limit, CancelationSignal cancelationSignal) {
+            String having, String orderBy, String limit, CancellationSignal cancellationSignal) {
         throwIfNotOpen(); // fail fast
         String sql = SQLiteQueryBuilder.buildQueryString(
                 distinct, table, columns, selection, groupBy, having, orderBy, limit);
 
         return rawQueryWithFactory(cursorFactory, sql, selectionArgs,
-                findEditTable(table), cancelationSignal);
+                findEditTable(table), cancellationSignal);
     }
 
     /**
@@ -1163,15 +1163,15 @@
      * @param selectionArgs You may include ?s in where clause in the query,
      *     which will be replaced by the values from selectionArgs. The
      *     values will be bound as Strings.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * If the operation is canceled, then {@link OperationCanceledException} will be thrown
      * when the query is executed.
      * @return A {@link Cursor} object, which is positioned before the first entry. Note that
      * {@link Cursor}s are not synchronized, see the documentation for more details.
      */
     public Cursor rawQuery(String sql, String[] selectionArgs,
-            CancelationSignal cancelationSignal) {
-        return rawQueryWithFactory(null, sql, selectionArgs, null, cancelationSignal);
+            CancellationSignal cancellationSignal) {
+        return rawQueryWithFactory(null, sql, selectionArgs, null, cancellationSignal);
     }
 
     /**
@@ -1201,7 +1201,7 @@
      *     which will be replaced by the values from selectionArgs. The
      *     values will be bound as Strings.
      * @param editTable the name of the first table, which is editable
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * If the operation is canceled, then {@link OperationCanceledException} will be thrown
      * when the query is executed.
      * @return A {@link Cursor} object, which is positioned before the first entry. Note that
@@ -1209,11 +1209,11 @@
      */
     public Cursor rawQueryWithFactory(
             CursorFactory cursorFactory, String sql, String[] selectionArgs,
-            String editTable, CancelationSignal cancelationSignal) {
+            String editTable, CancellationSignal cancellationSignal) {
         throwIfNotOpen(); // fail fast
 
         SQLiteCursorDriver driver = new SQLiteDirectCursorDriver(this, sql, editTable,
-                cancelationSignal);
+                cancellationSignal);
         return driver.query(cursorFactory != null ? cursorFactory : mCursorFactory,
                 selectionArgs);
     }
diff --git a/core/java/android/database/sqlite/SQLiteDirectCursorDriver.java b/core/java/android/database/sqlite/SQLiteDirectCursorDriver.java
index c490dc6..3375e74 100644
--- a/core/java/android/database/sqlite/SQLiteDirectCursorDriver.java
+++ b/core/java/android/database/sqlite/SQLiteDirectCursorDriver.java
@@ -16,7 +16,7 @@
 
 package android.database.sqlite;
 
-import android.content.CancelationSignal;
+import android.content.CancellationSignal;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase.CursorFactory;
 
@@ -29,19 +29,19 @@
     private final SQLiteDatabase mDatabase;
     private final String mEditTable; 
     private final String mSql;
-    private final CancelationSignal mCancelationSignal;
+    private final CancellationSignal mCancellationSignal;
     private SQLiteQuery mQuery;
 
     public SQLiteDirectCursorDriver(SQLiteDatabase db, String sql, String editTable,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         mDatabase = db;
         mEditTable = editTable;
         mSql = sql;
-        mCancelationSignal = cancelationSignal;
+        mCancellationSignal = cancellationSignal;
     }
 
     public Cursor query(CursorFactory factory, String[] selectionArgs) {
-        final SQLiteQuery query = new SQLiteQuery(mDatabase, mSql, mCancelationSignal);
+        final SQLiteQuery query = new SQLiteQuery(mDatabase, mSql, mCancellationSignal);
         final Cursor cursor;
         try {
             query.bindAllArgsAsStrings(selectionArgs);
diff --git a/core/java/android/database/sqlite/SQLiteProgram.java b/core/java/android/database/sqlite/SQLiteProgram.java
index f3da2a6..9f0edfb 100644
--- a/core/java/android/database/sqlite/SQLiteProgram.java
+++ b/core/java/android/database/sqlite/SQLiteProgram.java
@@ -16,7 +16,7 @@
 
 package android.database.sqlite;
 
-import android.content.CancelationSignal;
+import android.content.CancellationSignal;
 import android.database.DatabaseUtils;
 
 import java.util.Arrays;
@@ -38,7 +38,7 @@
     private final Object[] mBindArgs;
 
     SQLiteProgram(SQLiteDatabase db, String sql, Object[] bindArgs,
-            CancelationSignal cancelationSignalForPrepare) {
+            CancellationSignal cancellationSignalForPrepare) {
         mDatabase = db;
         mSql = sql.trim();
 
@@ -57,7 +57,7 @@
                 SQLiteStatementInfo info = new SQLiteStatementInfo();
                 db.getThreadSession().prepare(mSql,
                         db.getThreadDefaultConnectionFlags(assumeReadOnly),
-                        cancelationSignalForPrepare, info);
+                        cancellationSignalForPrepare, info);
                 mReadOnly = info.readOnly;
                 mColumnNames = info.columnNames;
                 mNumParameters = info.numParameters;
diff --git a/core/java/android/database/sqlite/SQLiteQuery.java b/core/java/android/database/sqlite/SQLiteQuery.java
index df2e260..30e77b5 100644
--- a/core/java/android/database/sqlite/SQLiteQuery.java
+++ b/core/java/android/database/sqlite/SQLiteQuery.java
@@ -16,7 +16,7 @@
 
 package android.database.sqlite;
 
-import android.content.CancelationSignal;
+import android.content.CancellationSignal;
 import android.content.OperationCanceledException;
 import android.database.CursorWindow;
 import android.util.Log;
@@ -31,12 +31,12 @@
 public final class SQLiteQuery extends SQLiteProgram {
     private static final String TAG = "SQLiteQuery";
 
-    private final CancelationSignal mCancelationSignal;
+    private final CancellationSignal mCancellationSignal;
 
-    SQLiteQuery(SQLiteDatabase db, String query, CancelationSignal cancelationSignal) {
-        super(db, query, null, cancelationSignal);
+    SQLiteQuery(SQLiteDatabase db, String query, CancellationSignal cancellationSignal) {
+        super(db, query, null, cancellationSignal);
 
-        mCancelationSignal = cancelationSignal;
+        mCancellationSignal = cancellationSignal;
     }
 
     /**
@@ -61,7 +61,7 @@
             try {
                 int numRows = getSession().executeForCursorWindow(getSql(), getBindArgs(),
                         window, startPos, requiredPos, countAllRows, getConnectionFlags(),
-                        mCancelationSignal);
+                        mCancellationSignal);
                 return numRows;
             } catch (SQLiteDatabaseCorruptException ex) {
                 onCorruption();
diff --git a/core/java/android/database/sqlite/SQLiteQueryBuilder.java b/core/java/android/database/sqlite/SQLiteQueryBuilder.java
index 89469cb..6f84b5e 100644
--- a/core/java/android/database/sqlite/SQLiteQueryBuilder.java
+++ b/core/java/android/database/sqlite/SQLiteQueryBuilder.java
@@ -16,7 +16,7 @@
 
 package android.database.sqlite;
 
-import android.content.CancelationSignal;
+import android.content.CancellationSignal;
 import android.content.OperationCanceledException;
 import android.database.Cursor;
 import android.database.DatabaseUtils;
@@ -292,7 +292,7 @@
             String selection, String[] selectionArgs, String groupBy,
             String having, String sortOrder) {
         return query(db, projectionIn, selection, selectionArgs, groupBy, having, sortOrder,
-                null /* limit */, null /* cancelationSignal */);
+                null /* limit */, null /* cancellationSignal */);
     }
 
     /**
@@ -362,7 +362,7 @@
      *   will use the default sort order, which may be unordered.
      * @param limit Limits the number of rows returned by the query,
      *   formatted as LIMIT clause. Passing null denotes no LIMIT clause.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * If the operation is canceled, then {@link OperationCanceledException} will be thrown
      * when the query is executed.
      * @return a cursor over the result set
@@ -371,7 +371,7 @@
      */
     public Cursor query(SQLiteDatabase db, String[] projectionIn,
             String selection, String[] selectionArgs, String groupBy,
-            String having, String sortOrder, String limit, CancelationSignal cancelationSignal) {
+            String having, String sortOrder, String limit, CancellationSignal cancellationSignal) {
         if (mTables == null) {
             return null;
         }
@@ -387,7 +387,7 @@
             String sqlForValidation = buildQuery(projectionIn, "(" + selection + ")", groupBy,
                     having, sortOrder, limit);
             validateQuerySql(db, sqlForValidation,
-                    cancelationSignal); // will throw if query is invalid
+                    cancellationSignal); // will throw if query is invalid
         }
 
         String sql = buildQuery(
@@ -400,7 +400,7 @@
         return db.rawQueryWithFactory(
                 mFactory, sql, selectionArgs,
                 SQLiteDatabase.findEditTable(mTables),
-                cancelationSignal); // will throw if query is invalid
+                cancellationSignal); // will throw if query is invalid
     }
 
     /**
@@ -408,9 +408,9 @@
      * If the SQL statement is not valid, this method will throw a {@link SQLiteException}.
      */
     private void validateQuerySql(SQLiteDatabase db, String sql,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         db.getThreadSession().prepare(sql,
-                db.getThreadDefaultConnectionFlags(true /*readOnly*/), cancelationSignal, null);
+                db.getThreadDefaultConnectionFlags(true /*readOnly*/), cancellationSignal, null);
     }
 
     /**
diff --git a/core/java/android/database/sqlite/SQLiteSession.java b/core/java/android/database/sqlite/SQLiteSession.java
index b5a3e31..43efb03 100644
--- a/core/java/android/database/sqlite/SQLiteSession.java
+++ b/core/java/android/database/sqlite/SQLiteSession.java
@@ -16,7 +16,7 @@
 
 package android.database.sqlite;
 
-import android.content.CancelationSignal;
+import android.content.CancellationSignal;
 import android.content.OperationCanceledException;
 import android.database.CursorWindow;
 import android.database.DatabaseUtils;
@@ -280,7 +280,7 @@
      * @param transactionListener The transaction listener, or null if none.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      *
      * @throws IllegalStateException if {@link #setTransactionSuccessful} has already been
      * called for the current transaction.
@@ -293,21 +293,21 @@
      */
     public void beginTransaction(int transactionMode,
             SQLiteTransactionListener transactionListener, int connectionFlags,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         throwIfTransactionMarkedSuccessful();
         beginTransactionUnchecked(transactionMode, transactionListener, connectionFlags,
-                cancelationSignal);
+                cancellationSignal);
     }
 
     private void beginTransactionUnchecked(int transactionMode,
             SQLiteTransactionListener transactionListener, int connectionFlags,
-            CancelationSignal cancelationSignal) {
-        if (cancelationSignal != null) {
-            cancelationSignal.throwIfCanceled();
+            CancellationSignal cancellationSignal) {
+        if (cancellationSignal != null) {
+            cancellationSignal.throwIfCanceled();
         }
 
         if (mTransactionStack == null) {
-            acquireConnection(null, connectionFlags, cancelationSignal); // might throw
+            acquireConnection(null, connectionFlags, cancellationSignal); // might throw
         }
         try {
             // Set up the transaction such that we can back out safely
@@ -317,14 +317,14 @@
                 switch (transactionMode) {
                     case TRANSACTION_MODE_IMMEDIATE:
                         mConnection.execute("BEGIN IMMEDIATE;", null,
-                                cancelationSignal); // might throw
+                                cancellationSignal); // might throw
                         break;
                     case TRANSACTION_MODE_EXCLUSIVE:
                         mConnection.execute("BEGIN EXCLUSIVE;", null,
-                                cancelationSignal); // might throw
+                                cancellationSignal); // might throw
                         break;
                     default:
-                        mConnection.execute("BEGIN;", null, cancelationSignal); // might throw
+                        mConnection.execute("BEGIN;", null, cancellationSignal); // might throw
                         break;
                 }
             }
@@ -335,7 +335,7 @@
                     transactionListener.onBegin(); // might throw
                 } catch (RuntimeException ex) {
                     if (mTransactionStack == null) {
-                        mConnection.execute("ROLLBACK;", null, cancelationSignal); // might throw
+                        mConnection.execute("ROLLBACK;", null, cancellationSignal); // might throw
                     }
                     throw ex;
                 }
@@ -384,7 +384,7 @@
      * This method must be called exactly once for each call to {@link #beginTransaction}.
      * </p>
      *
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      *
      * @throws IllegalStateException if there is no current transaction.
      * @throws SQLiteException if an error occurs.
@@ -394,16 +394,16 @@
      * @see #setTransactionSuccessful
      * @see #yieldTransaction
      */
-    public void endTransaction(CancelationSignal cancelationSignal) {
+    public void endTransaction(CancellationSignal cancellationSignal) {
         throwIfNoTransaction();
         assert mConnection != null;
 
-        endTransactionUnchecked(cancelationSignal);
+        endTransactionUnchecked(cancellationSignal);
     }
 
-    private void endTransactionUnchecked(CancelationSignal cancelationSignal) {
-        if (cancelationSignal != null) {
-            cancelationSignal.throwIfCanceled();
+    private void endTransactionUnchecked(CancellationSignal cancellationSignal) {
+        if (cancellationSignal != null) {
+            cancellationSignal.throwIfCanceled();
         }
 
         final Transaction top = mTransactionStack;
@@ -434,9 +434,9 @@
         } else {
             try {
                 if (successful) {
-                    mConnection.execute("COMMIT;", null, cancelationSignal); // might throw
+                    mConnection.execute("COMMIT;", null, cancellationSignal); // might throw
                 } else {
-                    mConnection.execute("ROLLBACK;", null, cancelationSignal); // might throw
+                    mConnection.execute("ROLLBACK;", null, cancellationSignal); // might throw
                 }
             } finally {
                 releaseConnection(); // might throw
@@ -487,7 +487,7 @@
      * @param throwIfUnsafe If true, then instead of returning false when no
      * transaction is in progress, a nested transaction is in progress, or when
      * the transaction has already been marked successful, throws {@link IllegalStateException}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return True if the transaction was actually yielded.
      *
      * @throws IllegalStateException if <code>throwIfNested</code> is true and
@@ -500,7 +500,7 @@
      * @see #endTransaction
      */
     public boolean yieldTransaction(long sleepAfterYieldDelayMillis, boolean throwIfUnsafe,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (throwIfUnsafe) {
             throwIfNoTransaction();
             throwIfTransactionMarkedSuccessful();
@@ -518,13 +518,13 @@
         }
 
         return yieldTransactionUnchecked(sleepAfterYieldDelayMillis,
-                cancelationSignal); // might throw
+                cancellationSignal); // might throw
     }
 
     private boolean yieldTransactionUnchecked(long sleepAfterYieldDelayMillis,
-            CancelationSignal cancelationSignal) {
-        if (cancelationSignal != null) {
-            cancelationSignal.throwIfCanceled();
+            CancellationSignal cancellationSignal) {
+        if (cancellationSignal != null) {
+            cancellationSignal.throwIfCanceled();
         }
 
         if (!mConnectionPool.shouldYieldConnection(mConnection, mConnectionFlags)) {
@@ -534,7 +534,7 @@
         final int transactionMode = mTransactionStack.mMode;
         final SQLiteTransactionListener listener = mTransactionStack.mListener;
         final int connectionFlags = mConnectionFlags;
-        endTransactionUnchecked(cancelationSignal); // might throw
+        endTransactionUnchecked(cancellationSignal); // might throw
 
         if (sleepAfterYieldDelayMillis > 0) {
             try {
@@ -545,7 +545,7 @@
         }
 
         beginTransactionUnchecked(transactionMode, listener, connectionFlags,
-                cancelationSignal); // might throw
+                cancellationSignal); // might throw
         return true;
     }
 
@@ -566,24 +566,24 @@
      * @param sql The SQL statement to prepare.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @param outStatementInfo The {@link SQLiteStatementInfo} object to populate
      * with information about the statement, or null if none.
      *
      * @throws SQLiteException if an error occurs, such as a syntax error.
      * @throws OperationCanceledException if the operation was canceled.
      */
-    public void prepare(String sql, int connectionFlags, CancelationSignal cancelationSignal,
+    public void prepare(String sql, int connectionFlags, CancellationSignal cancellationSignal,
             SQLiteStatementInfo outStatementInfo) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
 
-        if (cancelationSignal != null) {
-            cancelationSignal.throwIfCanceled();
+        if (cancellationSignal != null) {
+            cancellationSignal.throwIfCanceled();
         }
 
-        acquireConnection(sql, connectionFlags, cancelationSignal); // might throw
+        acquireConnection(sql, connectionFlags, cancellationSignal); // might throw
         try {
             mConnection.prepare(sql, outStatementInfo); // might throw
         } finally {
@@ -598,25 +598,25 @@
      * @param bindArgs The arguments to bind, or null if none.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      *
      * @throws SQLiteException if an error occurs, such as a syntax error
      * or invalid number of bind arguments.
      * @throws OperationCanceledException if the operation was canceled.
      */
     public void execute(String sql, Object[] bindArgs, int connectionFlags,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
 
-        if (executeSpecial(sql, bindArgs, connectionFlags, cancelationSignal)) {
+        if (executeSpecial(sql, bindArgs, connectionFlags, cancellationSignal)) {
             return;
         }
 
-        acquireConnection(sql, connectionFlags, cancelationSignal); // might throw
+        acquireConnection(sql, connectionFlags, cancellationSignal); // might throw
         try {
-            mConnection.execute(sql, bindArgs, cancelationSignal); // might throw
+            mConnection.execute(sql, bindArgs, cancellationSignal); // might throw
         } finally {
             releaseConnection(); // might throw
         }
@@ -629,7 +629,7 @@
      * @param bindArgs The arguments to bind, or null if none.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The value of the first column in the first row of the result set
      * as a <code>long</code>, or zero if none.
      *
@@ -638,18 +638,18 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public long executeForLong(String sql, Object[] bindArgs, int connectionFlags,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
 
-        if (executeSpecial(sql, bindArgs, connectionFlags, cancelationSignal)) {
+        if (executeSpecial(sql, bindArgs, connectionFlags, cancellationSignal)) {
             return 0;
         }
 
-        acquireConnection(sql, connectionFlags, cancelationSignal); // might throw
+        acquireConnection(sql, connectionFlags, cancellationSignal); // might throw
         try {
-            return mConnection.executeForLong(sql, bindArgs, cancelationSignal); // might throw
+            return mConnection.executeForLong(sql, bindArgs, cancellationSignal); // might throw
         } finally {
             releaseConnection(); // might throw
         }
@@ -662,7 +662,7 @@
      * @param bindArgs The arguments to bind, or null if none.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The value of the first column in the first row of the result set
      * as a <code>String</code>, or null if none.
      *
@@ -671,18 +671,18 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public String executeForString(String sql, Object[] bindArgs, int connectionFlags,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
 
-        if (executeSpecial(sql, bindArgs, connectionFlags, cancelationSignal)) {
+        if (executeSpecial(sql, bindArgs, connectionFlags, cancellationSignal)) {
             return null;
         }
 
-        acquireConnection(sql, connectionFlags, cancelationSignal); // might throw
+        acquireConnection(sql, connectionFlags, cancellationSignal); // might throw
         try {
-            return mConnection.executeForString(sql, bindArgs, cancelationSignal); // might throw
+            return mConnection.executeForString(sql, bindArgs, cancellationSignal); // might throw
         } finally {
             releaseConnection(); // might throw
         }
@@ -696,7 +696,7 @@
      * @param bindArgs The arguments to bind, or null if none.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The file descriptor for a shared memory region that contains
      * the value of the first column in the first row of the result set as a BLOB,
      * or null if none.
@@ -706,19 +706,19 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public ParcelFileDescriptor executeForBlobFileDescriptor(String sql, Object[] bindArgs,
-            int connectionFlags, CancelationSignal cancelationSignal) {
+            int connectionFlags, CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
 
-        if (executeSpecial(sql, bindArgs, connectionFlags, cancelationSignal)) {
+        if (executeSpecial(sql, bindArgs, connectionFlags, cancellationSignal)) {
             return null;
         }
 
-        acquireConnection(sql, connectionFlags, cancelationSignal); // might throw
+        acquireConnection(sql, connectionFlags, cancellationSignal); // might throw
         try {
             return mConnection.executeForBlobFileDescriptor(sql, bindArgs,
-                    cancelationSignal); // might throw
+                    cancellationSignal); // might throw
         } finally {
             releaseConnection(); // might throw
         }
@@ -732,7 +732,7 @@
      * @param bindArgs The arguments to bind, or null if none.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The number of rows that were changed.
      *
      * @throws SQLiteException if an error occurs, such as a syntax error
@@ -740,19 +740,19 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public int executeForChangedRowCount(String sql, Object[] bindArgs, int connectionFlags,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
 
-        if (executeSpecial(sql, bindArgs, connectionFlags, cancelationSignal)) {
+        if (executeSpecial(sql, bindArgs, connectionFlags, cancellationSignal)) {
             return 0;
         }
 
-        acquireConnection(sql, connectionFlags, cancelationSignal); // might throw
+        acquireConnection(sql, connectionFlags, cancellationSignal); // might throw
         try {
             return mConnection.executeForChangedRowCount(sql, bindArgs,
-                    cancelationSignal); // might throw
+                    cancellationSignal); // might throw
         } finally {
             releaseConnection(); // might throw
         }
@@ -766,7 +766,7 @@
      * @param bindArgs The arguments to bind, or null if none.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The row id of the last row that was inserted, or 0 if none.
      *
      * @throws SQLiteException if an error occurs, such as a syntax error
@@ -774,19 +774,19 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     public long executeForLastInsertedRowId(String sql, Object[] bindArgs, int connectionFlags,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
 
-        if (executeSpecial(sql, bindArgs, connectionFlags, cancelationSignal)) {
+        if (executeSpecial(sql, bindArgs, connectionFlags, cancellationSignal)) {
             return 0;
         }
 
-        acquireConnection(sql, connectionFlags, cancelationSignal); // might throw
+        acquireConnection(sql, connectionFlags, cancellationSignal); // might throw
         try {
             return mConnection.executeForLastInsertedRowId(sql, bindArgs,
-                    cancelationSignal); // might throw
+                    cancellationSignal); // might throw
         } finally {
             releaseConnection(); // might throw
         }
@@ -808,7 +808,7 @@
      * regagless of whether they fit in the window.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return The number of rows that were counted during query execution.  Might
      * not be all rows in the result set unless <code>countAllRows</code> is true.
      *
@@ -818,7 +818,7 @@
      */
     public int executeForCursorWindow(String sql, Object[] bindArgs,
             CursorWindow window, int startPos, int requiredPos, boolean countAllRows,
-            int connectionFlags, CancelationSignal cancelationSignal) {
+            int connectionFlags, CancellationSignal cancellationSignal) {
         if (sql == null) {
             throw new IllegalArgumentException("sql must not be null.");
         }
@@ -826,16 +826,16 @@
             throw new IllegalArgumentException("window must not be null.");
         }
 
-        if (executeSpecial(sql, bindArgs, connectionFlags, cancelationSignal)) {
+        if (executeSpecial(sql, bindArgs, connectionFlags, cancellationSignal)) {
             window.clear();
             return 0;
         }
 
-        acquireConnection(sql, connectionFlags, cancelationSignal); // might throw
+        acquireConnection(sql, connectionFlags, cancellationSignal); // might throw
         try {
             return mConnection.executeForCursorWindow(sql, bindArgs,
                     window, startPos, requiredPos, countAllRows,
-                    cancelationSignal); // might throw
+                    cancellationSignal); // might throw
         } finally {
             releaseConnection(); // might throw
         }
@@ -854,7 +854,7 @@
      * @param bindArgs The arguments to bind, or null if none.
      * @param connectionFlags The connection flags to use if a connection must be
      * acquired by this operation.  Refer to {@link SQLiteConnectionPool}.
-     * @param cancelationSignal A signal to cancel the operation in progress, or null if none.
+     * @param cancellationSignal A signal to cancel the operation in progress, or null if none.
      * @return True if the statement was of a special form that was handled here,
      * false otherwise.
      *
@@ -863,36 +863,36 @@
      * @throws OperationCanceledException if the operation was canceled.
      */
     private boolean executeSpecial(String sql, Object[] bindArgs, int connectionFlags,
-            CancelationSignal cancelationSignal) {
-        if (cancelationSignal != null) {
-            cancelationSignal.throwIfCanceled();
+            CancellationSignal cancellationSignal) {
+        if (cancellationSignal != null) {
+            cancellationSignal.throwIfCanceled();
         }
 
         final int type = DatabaseUtils.getSqlStatementType(sql);
         switch (type) {
             case DatabaseUtils.STATEMENT_BEGIN:
                 beginTransaction(TRANSACTION_MODE_EXCLUSIVE, null, connectionFlags,
-                        cancelationSignal);
+                        cancellationSignal);
                 return true;
 
             case DatabaseUtils.STATEMENT_COMMIT:
                 setTransactionSuccessful();
-                endTransaction(cancelationSignal);
+                endTransaction(cancellationSignal);
                 return true;
 
             case DatabaseUtils.STATEMENT_ABORT:
-                endTransaction(cancelationSignal);
+                endTransaction(cancellationSignal);
                 return true;
         }
         return false;
     }
 
     private void acquireConnection(String sql, int connectionFlags,
-            CancelationSignal cancelationSignal) {
+            CancellationSignal cancellationSignal) {
         if (mConnection == null) {
             assert mConnectionUseCount == 0;
             mConnection = mConnectionPool.acquireConnection(sql, connectionFlags,
-                    cancelationSignal); // might throw
+                    cancellationSignal); // might throw
             mConnectionFlags = connectionFlags;
         }
         mConnectionUseCount += 1;
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index a569317..2eef8f4 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -142,8 +142,19 @@
      * If an application uses the network in the background, it should listen
      * for this broadcast and stop using the background data if the value is
      * {@code false}.
+     * <p>
+     *
+     * @deprecated As of {@link VERSION_CODES#ICE_CREAM_SANDWICH}, availability
+     *             of background data depends on several combined factors, and
+     *             this broadcast is no longer sent. Instead, when background
+     *             data is unavailable, {@link #getActiveNetworkInfo()} will now
+     *             appear disconnected. During first boot after a platform
+     *             upgrade, this broadcast will be sent once if
+     *             {@link #getBackgroundDataSetting()} was {@code false} before
+     *             the upgrade.
      */
     @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    @Deprecated
     public static final String ACTION_BACKGROUND_DATA_SETTING_CHANGED =
             "android.net.conn.BACKGROUND_DATA_SETTING_CHANGED";
 
diff --git a/core/java/android/net/INetworkPolicyManager.aidl b/core/java/android/net/INetworkPolicyManager.aidl
index 633c38e0..442535a 100644
--- a/core/java/android/net/INetworkPolicyManager.aidl
+++ b/core/java/android/net/INetworkPolicyManager.aidl
@@ -43,7 +43,7 @@
     NetworkPolicy[] getNetworkPolicies();
 
     /** Snooze limit on policy matching given template. */
-    void snoozePolicy(in NetworkTemplate template);
+    void snoozeLimit(in NetworkTemplate template);
 
     /** Control if background data is restricted system-wide. */
     void setRestrictBackground(boolean restrictBackground);
diff --git a/core/java/android/net/NetworkPolicy.java b/core/java/android/net/NetworkPolicy.java
index d9ea700..04cf1a3 100644
--- a/core/java/android/net/NetworkPolicy.java
+++ b/core/java/android/net/NetworkPolicy.java
@@ -38,18 +38,25 @@
     public int cycleDay;
     public long warningBytes;
     public long limitBytes;
-    public long lastSnooze;
+    public long lastWarningSnooze;
+    public long lastLimitSnooze;
     public boolean metered;
 
     private static final long DEFAULT_MTU = 1500;
 
-    public NetworkPolicy(NetworkTemplate template, int cycleDay, long warningBytes, long limitBytes,
-            long lastSnooze, boolean metered) {
+    public NetworkPolicy(NetworkTemplate template, int cycleDay, long warningBytes,
+            long limitBytes, boolean metered) {
+        this(template, cycleDay, warningBytes, limitBytes, SNOOZE_NEVER, SNOOZE_NEVER, metered);
+    }
+
+    public NetworkPolicy(NetworkTemplate template, int cycleDay, long warningBytes,
+            long limitBytes, long lastWarningSnooze, long lastLimitSnooze, boolean metered) {
         this.template = checkNotNull(template, "missing NetworkTemplate");
         this.cycleDay = cycleDay;
         this.warningBytes = warningBytes;
         this.limitBytes = limitBytes;
-        this.lastSnooze = lastSnooze;
+        this.lastWarningSnooze = lastWarningSnooze;
+        this.lastLimitSnooze = lastLimitSnooze;
         this.metered = metered;
     }
 
@@ -58,7 +65,8 @@
         cycleDay = in.readInt();
         warningBytes = in.readLong();
         limitBytes = in.readLong();
-        lastSnooze = in.readLong();
+        lastWarningSnooze = in.readLong();
+        lastLimitSnooze = in.readLong();
         metered = in.readInt() != 0;
     }
 
@@ -68,7 +76,8 @@
         dest.writeInt(cycleDay);
         dest.writeLong(warningBytes);
         dest.writeLong(limitBytes);
-        dest.writeLong(lastSnooze);
+        dest.writeLong(lastWarningSnooze);
+        dest.writeLong(lastLimitSnooze);
         dest.writeInt(metered ? 1 : 0);
     }
 
@@ -78,6 +87,13 @@
     }
 
     /**
+     * Test if given measurement is over {@link #warningBytes}.
+     */
+    public boolean isOverWarning(long totalBytes) {
+        return warningBytes != WARNING_DISABLED && totalBytes >= warningBytes;
+    }
+
+    /**
      * Test if given measurement is near enough to {@link #limitBytes} to be
      * considered over-limit.
      */
@@ -88,6 +104,14 @@
         return limitBytes != LIMIT_DISABLED && totalBytes >= limitBytes;
     }
 
+    /**
+     * Clear any existing snooze values, setting to {@link #SNOOZE_NEVER}.
+     */
+    public void clearSnooze() {
+        lastWarningSnooze = SNOOZE_NEVER;
+        lastLimitSnooze = SNOOZE_NEVER;
+    }
+
     /** {@inheritDoc} */
     public int compareTo(NetworkPolicy another) {
         if (another == null || another.limitBytes == LIMIT_DISABLED) {
@@ -103,7 +127,8 @@
 
     @Override
     public int hashCode() {
-        return Objects.hashCode(template, cycleDay, warningBytes, limitBytes, lastSnooze, metered);
+        return Objects.hashCode(template, cycleDay, warningBytes, limitBytes, lastWarningSnooze,
+                lastLimitSnooze, metered);
     }
 
     @Override
@@ -111,8 +136,10 @@
         if (obj instanceof NetworkPolicy) {
             final NetworkPolicy other = (NetworkPolicy) obj;
             return cycleDay == other.cycleDay && warningBytes == other.warningBytes
-                    && limitBytes == other.limitBytes && lastSnooze == other.lastSnooze
-                    && metered == other.metered && Objects.equal(template, other.template);
+                    && limitBytes == other.limitBytes
+                    && lastWarningSnooze == other.lastWarningSnooze
+                    && lastLimitSnooze == other.lastLimitSnooze && metered == other.metered
+                    && Objects.equal(template, other.template);
         }
         return false;
     }
@@ -120,8 +147,9 @@
     @Override
     public String toString() {
         return "NetworkPolicy[" + template + "]: cycleDay=" + cycleDay + ", warningBytes="
-                + warningBytes + ", limitBytes=" + limitBytes + ", lastSnooze=" + lastSnooze
-                + ", metered=" + metered;
+                + warningBytes + ", limitBytes=" + limitBytes + ", lastWarningSnooze="
+                + lastWarningSnooze + ", lastLimitSnooze=" + lastLimitSnooze + ", metered="
+                + metered;
     }
 
     public static final Creator<NetworkPolicy> CREATOR = new Creator<NetworkPolicy>() {
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index f14d27e..375e5e4 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -1678,6 +1678,13 @@
         public static final String TRANSITION_ANIMATION_SCALE = "transition_animation_scale";
 
         /**
+         * Scaling factor for Animator-based animations. This affects both the start delay and
+         * duration of all such animations. Setting to 0 will cause animations to end immediately.
+         * The default value is 1.
+         */
+        public static final String ANIMATOR_DURATION_SCALE = "animator_duration_scale";
+
+        /**
          * Scaling factor for normal window animations. Setting to 0 will disable window
          * animations.
          * @hide
@@ -2475,6 +2482,11 @@
             Uri.parse("content://" + AUTHORITY + "/secure");
 
         /**
+         * Whether user has enabled development settings.
+         */
+        public static final String DEVELOPMENT_SETTINGS_ENABLED = "development_settings_enabled";
+
+        /**
          * Whether ADB is enabled.
          */
         public static final String ADB_ENABLED = "adb_enabled";
diff --git a/core/java/android/view/Choreographer.java b/core/java/android/view/Choreographer.java
index 63de128..c86ea77 100644
--- a/core/java/android/view/Choreographer.java
+++ b/core/java/android/view/Choreographer.java
@@ -26,7 +26,7 @@
 import android.util.Log;
 
 /**
- * Coodinates animations and drawing for UI on a particular thread.
+ * Coordinates animations and drawing for UI on a particular thread.
  * @hide
  */
 public final class Choreographer extends Handler {
@@ -94,8 +94,8 @@
     }
 
     /**
-     * Gets the choreographer for this thread.
-     * Must be called on the UI thread.
+     * Gets the choreographer for the calling thread.  Must be called from
+     * a thread that already has a {@link android.os.Looper} associated with it.
      *
      * @return The choreographer for this thread.
      * @throws IllegalStateException if the thread does not have a looper.
@@ -163,6 +163,15 @@
     }
 
     /**
+     * Return true if {@link #scheduleAnimation()} has been called but
+     * {@link OnAnimateListener#onAnimate() OnAnimateListener.onAnimate()} has
+     * not yet been called.
+     */
+    public boolean isAnimationScheduled() {
+        return mAnimationScheduled;
+    }
+
+    /**
      * Schedules drawing to occur on the next frame synchronization boundary.
      * Must be called on the UI thread.
      */
@@ -180,6 +189,15 @@
         }
     }
 
+    /**
+     * Return true if {@link #scheduleDraw()} has been called but
+     * {@link OnDrawListener#onDraw() OnDrawListener.onDraw()} has
+     * not yet been called.
+     */
+    public boolean isDrawScheduled() {
+        return mDrawScheduled;
+    }
+
     @Override
     public void handleMessage(Message msg) {
         switch (msg.what) {
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index d80d080..7ba17b3 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -3761,8 +3761,14 @@
     }
 
     /**
-     * Called when this view wants to give up focus. This will cause
-     * {@link #onFocusChanged(boolean, int, android.graphics.Rect)} to be called.
+     * Called when this view wants to give up focus. If focus is cleared
+     * {@link #onFocusChanged(boolean, int, android.graphics.Rect)} is called.
+     * <p>
+     * <strong>Note:</strong> When a View clears focus the framework is trying
+     * to give focus to the first focusable View from the top. Hence, if this
+     * View is the first from the top that can take focus, then its focus will
+     * not be cleared nor will the focus change callback be invoked.
+     * </p>
      */
     public void clearFocus() {
         if (DBG) {
@@ -7306,6 +7312,7 @@
      * 
      * @return The degrees of rotation.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getRotation() {
         return mTransformationInfo != null ? mTransformationInfo.mRotation : 0;
     }
@@ -7347,6 +7354,7 @@
      * 
      * @return The degrees of Y rotation.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getRotationY() {
         return mTransformationInfo != null ? mTransformationInfo.mRotationY : 0;
     }
@@ -7393,6 +7401,7 @@
      * 
      * @return The degrees of X rotation.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getRotationX() {
         return mTransformationInfo != null ? mTransformationInfo.mRotationX : 0;
     }
@@ -7440,6 +7449,7 @@
      * @see #getPivotY()
      * @return The scaling factor.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getScaleX() {
         return mTransformationInfo != null ? mTransformationInfo.mScaleX : 1;
     }
@@ -7478,6 +7488,7 @@
      * @see #getPivotY()
      * @return The scaling factor.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getScaleY() {
         return mTransformationInfo != null ? mTransformationInfo.mScaleY : 1;
     }
@@ -7516,6 +7527,7 @@
      * @see #getPivotY()
      * @return The x location of the pivot point.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getPivotX() {
         return mTransformationInfo != null ? mTransformationInfo.mPivotX : 0;
     }
@@ -7560,6 +7572,7 @@
      * @see #getPivotY()
      * @return The y location of the pivot point.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getPivotY() {
         return mTransformationInfo != null ? mTransformationInfo.mPivotY : 0;
     }
@@ -7600,6 +7613,7 @@
      * <p>By default this is 1.0f.
      * @return The opacity of the view.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getAlpha() {
         return mTransformationInfo != null ? mTransformationInfo.mAlpha : 1;
     }
@@ -7613,6 +7627,10 @@
      * equivalent to calling {@link #setLayerType(int, android.graphics.Paint)} and
      * setting a hardware layer.</p>
      *
+     * <p>Note that setting alpha to a translucent value (0 < alpha < 1) may have
+     * performance implications. It is generally best to use the alpha property sparingly and
+     * transiently, as in the case of fading animations.</p>
+     *
      * @param alpha The opacity of the view.
      *
      * @see #setLayerType(int, android.graphics.Paint)
@@ -7910,6 +7928,7 @@
      *
      * @return The visual x position of this view, in pixels.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getX() {
         return mLeft + (mTransformationInfo != null ? mTransformationInfo.mTranslationX : 0);
     }
@@ -7932,6 +7951,7 @@
      *
      * @return The visual y position of this view, in pixels.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getY() {
         return mTop + (mTransformationInfo != null ? mTransformationInfo.mTranslationY : 0);
     }
@@ -7955,6 +7975,7 @@
      *
      * @return The horizontal position of this view relative to its left position, in pixels.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getTranslationX() {
         return mTransformationInfo != null ? mTransformationInfo.mTranslationX : 0;
     }
@@ -7991,6 +8012,7 @@
      * @return The vertical position of this view relative to its top position,
      * in pixels.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public float getTranslationY() {
         return mTransformationInfo != null ? mTransformationInfo.mTranslationY : 0;
     }
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 3f61e6b..cbf4b5a 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -18,11 +18,13 @@
 
 import android.Manifest;
 import android.animation.LayoutTransition;
+import android.animation.ValueAnimator;
 import android.app.ActivityManagerNative;
 import android.content.ClipDescription;
 import android.content.ComponentCallbacks;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
+import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
@@ -82,7 +84,6 @@
 
 import java.io.IOException;
 import java.io.OutputStream;
-import java.io.PrintWriter;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
@@ -140,6 +141,10 @@
     static final ArrayList<ComponentCallbacks> sConfigCallbacks
             = new ArrayList<ComponentCallbacks>();
 
+    private static boolean sUseRenderThread = false;
+    private static boolean sRenderThreadQueried = false;
+    private static final Object[] sRenderThreadQueryLock = new Object[0];
+
     long mLastTrackballTime = 0;
     final TrackballAxis mTrackballAxisX = new TrackballAxis();
     final TrackballAxis mTrackballAxisY = new TrackballAxis();
@@ -319,8 +324,11 @@
             if (!mInitialized) {
                 try {
                     InputMethodManager imm = InputMethodManager.getInstance(mainLooper);
-                    sWindowSession = Display.getWindowManager().openSession(
+                    IWindowManager windowManager = Display.getWindowManager();
+                    sWindowSession = windowManager.openSession(
                             imm.getClient(), imm.getInputContext());
+                    float animatorScale = windowManager.getAnimationScale(2);
+                    ValueAnimator.setDurationScale(animatorScale);
                     mInitialized = true;
                 } catch (RemoteException e) {
                 }
@@ -381,6 +389,31 @@
         mChoreographer = Choreographer.getInstance();
     }
 
+    /**
+     * @return True if the application requests the use of a separate render thread,
+     *         false otherwise
+     */
+    private static boolean isRenderThreadRequested(Context context) {
+        synchronized (sRenderThreadQueryLock) {
+            if (!sRenderThreadQueried) {
+                final PackageManager packageManager = context.getPackageManager();
+                final String packageName = context.getApplicationInfo().packageName;
+                try {
+                    ApplicationInfo applicationInfo = packageManager.getApplicationInfo(packageName,
+                            PackageManager.GET_META_DATA);
+                    if (applicationInfo.metaData != null) {
+                        sUseRenderThread = applicationInfo.metaData.getBoolean(
+                                "android.graphics.renderThread", false);
+                    }
+                } catch (PackageManager.NameNotFoundException e) {
+                } finally {
+                    sRenderThreadQueried = true;
+                }
+            }
+            return sUseRenderThread;
+        }
+    }
+
     public static void addFirstDrawHandler(Runnable callback) {
         synchronized (sFirstDrawHandlers) {
             if (!sFirstDrawComplete) {
@@ -451,7 +484,7 @@
 
                 // If the application owns the surface, don't enable hardware acceleration
                 if (mSurfaceHolder == null) {
-                    enableHardwareAcceleration(attrs);
+                    enableHardwareAcceleration(mView.getContext(), attrs);
                 }
 
                 boolean restore = false;
@@ -611,7 +644,7 @@
         }
     }
 
-    private void enableHardwareAcceleration(WindowManager.LayoutParams attrs) {
+    private void enableHardwareAcceleration(Context context, WindowManager.LayoutParams attrs) {
         mAttachInfo.mHardwareAccelerated = false;
         mAttachInfo.mHardwareAccelerationRequested = false;
 
@@ -644,20 +677,27 @@
             if (!HardwareRenderer.sRendererDisabled || (HardwareRenderer.sSystemRendererDisabled
                     && forceHwAccelerated)) {
                 // Don't enable hardware acceleration when we're not on the main thread
-                if (!HardwareRenderer.sSystemRendererDisabled
-                        && Looper.getMainLooper() != Looper.myLooper()) {
-                    Log.w(HardwareRenderer.LOG_TAG, "Attempting to initialize hardware "
+                if (!HardwareRenderer.sSystemRendererDisabled &&
+                        Looper.getMainLooper() != Looper.myLooper()) {
+                    Log.w(HardwareRenderer.LOG_TAG, "Attempting to initialize hardware " 
                             + "acceleration outside of the main thread, aborting");
                     return;
                 }
 
-                final boolean translucent = attrs.format != PixelFormat.OPAQUE;
+                boolean renderThread = isRenderThreadRequested(context);
+                if (renderThread) {
+                    Log.i(HardwareRenderer.LOG_TAG, "Render threat initiated");
+                }
+
                 if (mAttachInfo.mHardwareRenderer != null) {
                     mAttachInfo.mHardwareRenderer.destroy(true);
-                }                
+                }
+
+                final boolean translucent = attrs.format != PixelFormat.OPAQUE;
                 mAttachInfo.mHardwareRenderer = HardwareRenderer.createGlRenderer(2, translucent);
                 mAttachInfo.mHardwareAccelerated = mAttachInfo.mHardwareAccelerationRequested
                         = mAttachInfo.mHardwareRenderer != null;
+
             } else if (fakeHwAccelerated) {
                 // The window had wanted to use hardware acceleration, but this
                 // is not allowed in its process.  By setting this flag, it can
@@ -3444,11 +3484,11 @@
         if (args.localChanges != 0) {
             if (mAttachInfo != null) {
                 mAttachInfo.mSystemUiVisibility =
-                        (mAttachInfo.mSystemUiVisibility&~args.localChanges)
-                        | (args.localValue&args.localChanges);
+                        (mAttachInfo.mSystemUiVisibility & ~args.localChanges) |
+                                (args.localValue & args.localChanges);
+                mAttachInfo.mRecomputeGlobalAttributes = true;
             }
             mView.updateLocalSystemUiVisibility(args.localValue, args.localChanges);
-            mAttachInfo.mRecomputeGlobalAttributes = true;
             scheduleTraversals();            
         }
         mView.dispatchSystemUiVisibilityChanged(args.globalVisibility);
@@ -3602,7 +3642,7 @@
         mView.debug();
     }
     
-    public void dumpGfxInfo(PrintWriter pw, int[] info) {
+    public void dumpGfxInfo(int[] info) {
         if (mView != null) {
             getGfxInfo(mView, info);
         } else {
@@ -3714,7 +3754,7 @@
      * Represents a pending input event that is waiting in a queue.
      *
      * Input events are processed in serial order by the timestamp specified by
-     * {@link InputEvent#getEventTime()}.  In general, the input dispatcher delivers
+     * {@link InputEvent#getEventTimeNano()}.  In general, the input dispatcher delivers
      * one input event to the application at a time and waits for the application
      * to finish handling it before delivering the next one.
      *
@@ -3723,7 +3763,7 @@
      * needing a queue on the application's side.
      */
     private static final class QueuedInputEvent {
-        public static final int FLAG_DELIVER_POST_IME = 1 << 0;
+        public static final int FLAG_DELIVER_POST_IME = 1;
 
         public QueuedInputEvent mNext;
 
@@ -4842,7 +4882,7 @@
             mPool.release(args);
             List<AccessibilityNodeInfo> infos = null;
             try {
-                View target = null;
+                View target;
                 if (accessibilityViewId != View.NO_ID) {
                     target = findViewByAccessibilityId(accessibilityViewId);
                 } else {
diff --git a/core/java/android/view/WindowManagerImpl.java b/core/java/android/view/WindowManagerImpl.java
index d7113374..6bdc4e8 100644
--- a/core/java/android/view/WindowManagerImpl.java
+++ b/core/java/android/view/WindowManagerImpl.java
@@ -490,7 +490,7 @@
 
                     for (int i = 0; i < count; i++) {
                         ViewRootImpl root = mRoots[i];
-                        root.dumpGfxInfo(pw, info);
+                        root.dumpGfxInfo(info);
 
                         String name = root.getClass().getName() + '@' +
                                 Integer.toHexString(hashCode());                        
diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index 2c2cf64..4a42e92 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -6350,8 +6350,9 @@
                         EventLog.writeEvent(EventLogTags.BROWSER_DOUBLE_TAP_DURATION,
                                 (eventTime - mLastTouchUpTime), eventTime);
                     }
-                    if (mSelectingText) {
-                        mSelectionStarted = false;
+                    mSelectionStarted = false;
+                    if (mSelectingText && mSelectHandleLeft != null
+                            && mSelectHandleRight != null) {
                         int shiftedY = y - getTitleHeight() + mScrollY;
                         int shiftedX = x + mScrollX;
                         if (mSelectHandleLeft.getBounds()
diff --git a/core/java/android/widget/ListView.java b/core/java/android/widget/ListView.java
index e20d12a..67fd059 100644
--- a/core/java/android/widget/ListView.java
+++ b/core/java/android/widget/ListView.java
@@ -1651,6 +1651,7 @@
                 // are focusable
                 if (mItemsCanFocus && hasFocus() && !sel.hasFocus()) {
                     final boolean focusWasTaken = (sel == focusLayoutRestoreDirectChild &&
+                            focusLayoutRestoreView != null &&
                             focusLayoutRestoreView.requestFocus()) || sel.requestFocus();
                     if (!focusWasTaken) {
                         // selected item didn't take focus, fine, but still want
diff --git a/core/java/com/android/internal/widget/multiwaveview/MultiWaveView.java b/core/java/com/android/internal/widget/multiwaveview/MultiWaveView.java
index ebd355a..d51ced11 100644
--- a/core/java/com/android/internal/widget/multiwaveview/MultiWaveView.java
+++ b/core/java/com/android/internal/widget/multiwaveview/MultiWaveView.java
@@ -653,6 +653,7 @@
 
             case MotionEvent.ACTION_CANCEL:
                 handleMove(event);
+                handleCancel(event);
                 handled = true;
                 break;
         }
@@ -678,6 +679,12 @@
         if (DEBUG && mDragging) Log.v(TAG, "** Handle RELEASE");
         switchToState(STATE_FINISH, event.getX(), event.getY());
     }
+    
+    private void handleCancel(MotionEvent event) {
+        if (DEBUG && mDragging) Log.v(TAG, "** Handle CANCEL");
+        mActiveTarget = -1; // Drop the active target if canceled.
+        switchToState(STATE_FINISH, event.getX(), event.getY());
+    }
 
     private void handleMove(MotionEvent event) {
         if (!mDragging) {
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index b514bf5..16b7ff3 100755
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -2061,7 +2061,7 @@
         </attr>
         <!-- Direction of the text. A heuristic is used to determine the resolved text direction
              of paragraphs. -->
-        <attr name="textDirection" format="integer">
+         <attr name="textDirection" format="integer">
             <!-- Default -->
             <enum name="inherit" value="0" />
             <!-- Default for the root view. The first strong directional character determines the
@@ -2072,16 +2072,12 @@
                  it is LTR if it contains any strong LTR characters.  If there are neither, the
                  paragraph direction is the view’s resolved layout direction. -->
             <enum name="anyRtl" value="2" />
-            <!-- The paragraph direction is the same as the one held by a 60% majority of the
-                 characters. If there is no majority then the paragraph direction is the resolved
-                 layout direction of the View. -->
-            <enum name="charCount" value="3" />
             <!-- The paragraph direction is left to right. -->
-            <enum name="ltr" value="4" />
+            <enum name="ltr" value="3" />
             <!-- The paragraph direction is right to left. -->
-            <enum name="rtl" value="5" />
+            <enum name="rtl" value="4" />
             <!-- The paragraph direction is coming from the system Locale. -->
-            <enum name="locale" value="6" />
+            <enum name="locale" value="5" />
         </attr>
     </declare-styleable>
 
diff --git a/docs/html/index.jd b/docs/html/index.jd
index fdf860a..b9d6758 100644
--- a/docs/html/index.jd
+++ b/docs/html/index.jd
@@ -1,5 +1,5 @@
 home=true
-metaDescription=The official site for Android developers. Provides the Android SDK and documentation for app developers and designers.
+page.metaDescription=The official site for Android developers. Provides the Android SDK and documentation for app developers and designers.
 @jd:body
 
 
diff --git a/docs/html/resources/tutorials/hello-world.jd b/docs/html/resources/tutorials/hello-world.jd
index 9afab6a..cc8cb3e 100644
--- a/docs/html/resources/tutorials/hello-world.jd
+++ b/docs/html/resources/tutorials/hello-world.jd
@@ -24,7 +24,7 @@
 management to greatly speed up your development cycles.</p>
 
 <p>This tutorial assumes that you're using Eclipse. If you're using the command line, see
-<a href="{@docRoot}/guide/developing/building/building-cmdline.html">Building and Running from the
+<a href="{@docRoot}guide/developing/building/building-cmdline.html">Building and Running from the
 Command Line</a>. You can then return to this tutorial and ignore anything about Eclipse.</p>
 
 <p>Before you start, you should already have the SDK installed, and if you're
diff --git a/graphics/java/android/renderscript/Allocation.java b/graphics/java/android/renderscript/Allocation.java
index f285f5b..11c2427 100644
--- a/graphics/java/android/renderscript/Allocation.java
+++ b/graphics/java/android/renderscript/Allocation.java
@@ -487,6 +487,7 @@
 
         final byte[] data = fp.getData();
         int eSize = mType.mElement.mElements[component_number].getSizeBytes();
+        eSize *= mType.mElement.mArraySizes[component_number];
 
         if (data.length != eSize) {
             throw new RSIllegalArgumentException("Field packer sizelength " + data.length +
diff --git a/include/gui/DisplayEventReceiver.h b/include/gui/DisplayEventReceiver.h
index a281377..7bca8d6 100644
--- a/include/gui/DisplayEventReceiver.h
+++ b/include/gui/DisplayEventReceiver.h
@@ -95,6 +95,8 @@
      * should be destroyed and getEvents() shouldn't be called again.
      */
     ssize_t getEvents(Event* events, size_t count);
+    static ssize_t getEvents(const sp<BitTube>& dataChannel,
+            Event* events, size_t count);
 
     /*
      * setVsyncRate() sets the Event::VSync delivery rate. A value of
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 6b12c14..74a1e62 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -248,7 +248,7 @@
     static sp<IAudioPolicyService> gAudioPolicyService;
 
     // mapping between stream types and outputs
-    static DefaultKeyedVector<int, audio_io_handle_t> gStreamOutputMap;
+    static DefaultKeyedVector<audio_stream_type_t, audio_io_handle_t> gStreamOutputMap;
     // list of output descriptors containing cached parameters
     // (sampling rate, framecount, channel count...)
     static DefaultKeyedVector<audio_io_handle_t, OutputDescriptor *> gOutputs;
diff --git a/include/utils/threads.h b/include/utils/threads.h
index ab3e8cd..b4a8b7c 100644
--- a/include/utils/threads.h
+++ b/include/utils/threads.h
@@ -526,6 +526,12 @@
     // Do not call from this object's thread; will return WOULD_BLOCK in that case.
             status_t    join();
 
+#ifdef HAVE_ANDROID_OS
+    // Return the thread's kernel ID, same as the thread itself calling gettid() or
+    // androidGetTid(), or -1 if the thread is not running.
+            pid_t       getTid() const;
+#endif
+
 protected:
     // exitPending() returns true if requestExit() has been called.
             bool        exitPending() const;
@@ -551,8 +557,10 @@
     volatile bool           mExitPending;
     volatile bool           mRunning;
             sp<Thread>      mHoldSelf;
-#if HAVE_ANDROID_OS
-            int             mTid;
+#ifdef HAVE_ANDROID_OS
+    // legacy for debugging, not used by getTid() as it is set by the child thread
+    // and so is not initialized until the child reaches that point
+            pid_t           mTid;
 #endif
 };
 
diff --git a/libs/gui/DisplayEventReceiver.cpp b/libs/gui/DisplayEventReceiver.cpp
index 3b3ccaa..6a4763d 100644
--- a/libs/gui/DisplayEventReceiver.cpp
+++ b/libs/gui/DisplayEventReceiver.cpp
@@ -80,7 +80,13 @@
 
 ssize_t DisplayEventReceiver::getEvents(DisplayEventReceiver::Event* events,
         size_t count) {
-    ssize_t size = mDataChannel->read(events, sizeof(events[0])*count);
+    return DisplayEventReceiver::getEvents(mDataChannel, events, count);
+}
+
+ssize_t DisplayEventReceiver::getEvents(const sp<BitTube>& dataChannel,
+        Event* events, size_t count)
+{
+    ssize_t size = dataChannel->read(events, sizeof(events[0])*count);
     ALOGE_IF(size<0,
             "DisplayEventReceiver::getEvents error (%s)",
             strerror(-size));
diff --git a/libs/hwui/Android.mk b/libs/hwui/Android.mk
index 95e0a18..5ec3983 100644
--- a/libs/hwui/Android.mk
+++ b/libs/hwui/Android.mk
@@ -26,6 +26,7 @@
 		ShapeCache.cpp \
 		SkiaColorFilter.cpp \
 		SkiaShader.cpp \
+		Snapshot.cpp \
 		TextureCache.cpp \
 		TextDropShadowCache.cpp
 	
diff --git a/libs/hwui/Debug.h b/libs/hwui/Debug.h
index 0ad0c2a..16a3d73 100644
--- a/libs/hwui/Debug.h
+++ b/libs/hwui/Debug.h
@@ -62,6 +62,9 @@
 // Turn on to display debug info about the layer renderer
 #define DEBUG_LAYER_RENDERER 0
 
+// Turn on to enable additional debugging in the font renderers
+#define DEBUG_FONT_RENDERER 0
+
 // Turn on to dump display list state
 #define DEBUG_DISPLAY_LIST 0
 
diff --git a/libs/hwui/FontRenderer.cpp b/libs/hwui/FontRenderer.cpp
index 74efda2..3df105b 100644
--- a/libs/hwui/FontRenderer.cpp
+++ b/libs/hwui/FontRenderer.cpp
@@ -151,10 +151,12 @@
     int32_t bX = 0, bY = 0;
     for (cacheX = glyph->mStartX, bX = nPenX; cacheX < endX; cacheX++, bX++) {
         for (cacheY = glyph->mStartY, bY = nPenY; cacheY < endY; cacheY++, bY++) {
+#if DEBUG_FONT_RENDERER
             if (bX < 0 || bY < 0 || bX >= (int32_t) bitmapW || bY >= (int32_t) bitmapH) {
                 ALOGE("Skipping invalid index");
                 continue;
             }
+#endif
             uint8_t tempCol = cacheBuffer[cacheY * cacheWidth + cacheX];
             bitmap[bY * bitmapW + bX] = tempCol;
         }
@@ -226,7 +228,7 @@
     };
     RenderGlyph render = gRenderGlyph[mode];
 
-    if (positions == NULL) {
+    if (CC_LIKELY(positions == NULL)) {
         SkFixed prevRsbDelta = 0;
 
         float penX = x;
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index bd213d5..afae70f 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -754,7 +754,7 @@
 
     // TODO: See LayerRenderer.cpp::generateMesh() for important
     //       information about this implementation
-    if (!layer->region.isEmpty()) {
+    if (CC_LIKELY(!layer->region.isEmpty())) {
         size_t count;
         const android::Rect* rects = layer->region.getArray(&count);
 
@@ -1398,7 +1398,7 @@
     if (!texture) return;
     const AutoTexture autoCleanup(texture);
 
-    if (bitmap->getConfig() == SkBitmap::kA8_Config) {
+    if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) {
         drawAlphaBitmap(texture, left, top, paint);
     } else {
         drawTextureRect(left, top, right, bottom, texture, paint);
@@ -1454,9 +1454,9 @@
     float bottom = FLT_MIN;
 
 #if RENDER_LAYERS_AS_REGIONS
-    bool hasActiveLayer = hasLayer();
+    const bool hasActiveLayer = hasLayer();
 #else
-    bool hasActiveLayer = false;
+    const bool hasActiveLayer = false;
 #endif
 
     // TODO: Support the colors array
@@ -1541,7 +1541,7 @@
 
     texture->setWrap(GL_CLAMP_TO_EDGE, true);
 
-    if (mSnapshot->transform->isPureTranslate()) {
+    if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) {
         const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f);
         const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f);
 
@@ -1587,7 +1587,7 @@
     const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(),
             right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors);
 
-    if (mesh && mesh->verticesCount > 0) {
+    if (CC_LIKELY(mesh && mesh->verticesCount > 0)) {
         const bool pureTranslate = mSnapshot->transform->isPureTranslate();
 #if RENDER_LAYERS_AS_REGIONS
         // Mark the current layer dirty where we are going to draw the patch
@@ -1597,7 +1597,7 @@
             const size_t count = mesh->quads.size();
             for (size_t i = 0; i < count; i++) {
                 const Rect& bounds = mesh->quads.itemAt(i);
-                if (pureTranslate) {
+                if (CC_LIKELY(pureTranslate)) {
                     const float x = (int) floorf(bounds.left + offsetX + 0.5f);
                     const float y = (int) floorf(bounds.top + offsetY + 0.5f);
                     dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight());
@@ -1609,7 +1609,7 @@
         }
 #endif
 
-        if (pureTranslate) {
+        if (CC_LIKELY(pureTranslate)) {
             const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f);
             const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f);
 
@@ -1637,7 +1637,7 @@
     float inverseScaleX = 1.0f;
     float inverseScaleY = 1.0f;
     // The quad that we use needs to account for scaling.
-    if (!mSnapshot->transform->isPureTranslate()) {
+    if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) {
         Matrix4 *mat = mSnapshot->transform;
         float m00 = mat->data[Matrix4::kScaleX];
         float m01 = mat->data[Matrix4::kSkewY];
@@ -1743,7 +1743,7 @@
         // The quad that we use for AA and hairlines needs to account for scaling. For hairlines
         // the line on the screen should always be one pixel wide regardless of scale. For
         // AA lines, we only want one pixel of translucent boundary around the quad.
-        if (!mSnapshot->transform->isPureTranslate()) {
+        if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) {
             Matrix4 *mat = mSnapshot->transform;
             float m00 = mat->data[Matrix4::kScaleX];
             float m01 = mat->data[Matrix4::kSkewY];
@@ -1751,8 +1751,8 @@
             float m10 = mat->data[Matrix4::kSkewX];
             float m11 = mat->data[Matrix4::kScaleX];
             float m12 = mat->data[6];
-            float scaleX = sqrt(m00*m00 + m01*m01);
-            float scaleY = sqrt(m10*m10 + m11*m11);
+            float scaleX = sqrtf(m00 * m00 + m01 * m01);
+            float scaleY = sqrtf(m10 * m10 + m11 * m11);
             inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0;
             inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0;
             if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) {
@@ -1770,11 +1770,7 @@
     setupDrawColor(paint->getColor(), alpha);
     setupDrawColorFilter();
     setupDrawShader();
-    if (isAA) {
-        setupDrawBlending(true, mode);
-    } else {
-        setupDrawBlending(mode);
-    }
+    setupDrawBlending(isAA, mode);
     setupDrawProgram();
     setupDrawModelViewIdentity(true);
     setupDrawColorUniforms();
@@ -1792,7 +1788,7 @@
     Vertex* vertices = &lines[0];
     AAVertex wLines[verticesCount];
     AAVertex* aaVertices = &wLines[0];
-    if (!isAA) {
+    if (CC_UNLIKELY(!isAA)) {
         setupDrawVertices(vertices);
     } else {
         void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset;
@@ -2152,9 +2148,9 @@
     Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f);
 
 #if RENDER_LAYERS_AS_REGIONS
-    bool hasActiveLayer = hasLayer();
+    const bool hasActiveLayer = hasLayer();
 #else
-    bool hasActiveLayer = false;
+    const bool hasActiveLayer = false;
 #endif
 
     if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y,
@@ -2201,7 +2197,7 @@
     const float oldX = x;
     const float oldY = y;
     const bool pureTranslate = mSnapshot->transform->isPureTranslate();
-    if (pureTranslate) {
+    if (CC_LIKELY(pureTranslate)) {
         x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f);
         y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f);
     }
@@ -2218,7 +2214,7 @@
     SkXfermode::Mode mode;
     getAlphaAndMode(paint, &alpha, &mode);
 
-    if (mHasShadow) {
+    if (CC_UNLIKELY(mHasShadow)) {
         mCaches.activeTexture(0);
 
         mCaches.dropShadowCache.setFontRenderer(fontRenderer);
@@ -2277,9 +2273,9 @@
     Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f);
 
 #if RENDER_LAYERS_AS_REGIONS
-    bool hasActiveLayer = hasLayer();
+    const bool hasActiveLayer = hasLayer();
 #else
-    bool hasActiveLayer = false;
+    const bool hasActiveLayer = false;
 #endif
 
     if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y,
@@ -2326,7 +2322,7 @@
     layer->setAlpha(alpha, mode);
 
 #if RENDER_LAYERS_AS_REGIONS
-    if (!layer->region.isEmpty()) {
+    if (CC_LIKELY(!layer->region.isEmpty())) {
         if (layer->region.isRect()) {
             composeLayerRect(layer, layer->regionRect);
         } else if (layer->mesh) {
@@ -2342,7 +2338,7 @@
             setupDrawPureColorUniforms();
             setupDrawColorFilterUniforms();
             setupDrawTexture(layer->getTexture());
-            if (mSnapshot->transform->isPureTranslate()) {
+            if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) {
                 x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f);
                 y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f);
 
@@ -2502,7 +2498,7 @@
                 break;
         }
 
-        if (underlineWidth > 0.0f) {
+        if (CC_LIKELY(underlineWidth > 0.0f)) {
             const float textSize = paintCopy.getTextSize();
             const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f);
 
@@ -2571,7 +2567,7 @@
 
     texture->setWrap(GL_CLAMP_TO_EDGE, true);
 
-    if (mSnapshot->transform->isPureTranslate()) {
+    if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) {
         const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f);
         const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f);
 
@@ -2631,8 +2627,8 @@
         // the blending, turn blending off here
         // If the blend mode cannot be implemented using shaders, fall
         // back to the default SrcOver blend mode instead
-        if (mode > SkXfermode::kScreen_Mode) {
-            if (mCaches.extensions.hasFramebufferFetch()) {
+        if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) {
+            if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) {
                 description.framebufferMode = mode;
                 description.swapSrcDst = swapSrcDst;
 
diff --git a/libs/hwui/Properties.h b/libs/hwui/Properties.h
index 71fb8da..7854729 100644
--- a/libs/hwui/Properties.h
+++ b/libs/hwui/Properties.h
@@ -38,8 +38,8 @@
 #define LAYER_SIZE 64
 
 // Defines the size in bits of the stencil buffer
-// Note: We only want 1 bit, but in practice we'll get 8 bits on all GPUs
-//       for the foreseeable future
+// Note: Only 1 bit is required for clipping but more bits are required
+// to properly implement the winding fill rule when rasterizing paths
 #define STENCIL_BUFFER_SIZE 0
 
 /**
diff --git a/libs/hwui/Snapshot.cpp b/libs/hwui/Snapshot.cpp
new file mode 100644
index 0000000..a85362d
--- /dev/null
+++ b/libs/hwui/Snapshot.cpp
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#include "Snapshot.h"
+
+#include <SkCanvas.h>
+
+namespace android {
+namespace uirenderer {
+
+///////////////////////////////////////////////////////////////////////////////
+// Constructors
+///////////////////////////////////////////////////////////////////////////////
+
+Snapshot::Snapshot(): flags(0), previous(NULL), layer(NULL), fbo(0),
+        invisible(false), empty(false) {
+
+    transform = &mTransformRoot;
+    clipRect = &mClipRectRoot;
+    region = NULL;
+}
+
+/**
+ * Copies the specified snapshot/ The specified snapshot is stored as
+ * the previous snapshot.
+ */
+Snapshot::Snapshot(const sp<Snapshot>& s, int saveFlags):
+        flags(0), previous(s), layer(NULL), fbo(s->fbo),
+        invisible(s->invisible), empty(false),
+        viewport(s->viewport), height(s->height) {
+
+    if (saveFlags & SkCanvas::kMatrix_SaveFlag) {
+        mTransformRoot.load(*s->transform);
+        transform = &mTransformRoot;
+    } else {
+        transform = s->transform;
+    }
+
+    if (saveFlags & SkCanvas::kClip_SaveFlag) {
+        mClipRectRoot.set(*s->clipRect);
+        clipRect = &mClipRectRoot;
+    } else {
+        clipRect = s->clipRect;
+    }
+
+    if (s->flags & Snapshot::kFlagFboTarget) {
+        flags |= Snapshot::kFlagFboTarget;
+        region = s->region;
+    } else {
+        region = NULL;
+    }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Clipping
+///////////////////////////////////////////////////////////////////////////////
+
+bool Snapshot::clip(float left, float top, float right, float bottom, SkRegion::Op op) {
+    Rect r(left, top, right, bottom);
+    transform->mapRect(r);
+    return clipTransformed(r, op);
+}
+
+bool Snapshot::clipTransformed(const Rect& r, SkRegion::Op op) {
+    bool clipped = false;
+
+    // NOTE: The unimplemented operations require support for regions
+    // Supporting regions would require using a stencil buffer instead
+    // of the scissor. The stencil buffer itself is not too expensive
+    // (memory cost excluded) but on fillrate limited devices, managing
+    // the stencil might have a negative impact on the framerate.
+    switch (op) {
+        case SkRegion::kDifference_Op:
+            break;
+        case SkRegion::kIntersect_Op:
+            clipped = clipRect->intersect(r);
+            if (!clipped) {
+                clipRect->setEmpty();
+                clipped = true;
+            }
+            break;
+        case SkRegion::kUnion_Op:
+            clipped = clipRect->unionWith(r);
+            break;
+        case SkRegion::kXOR_Op:
+            break;
+        case SkRegion::kReverseDifference_Op:
+            break;
+        case SkRegion::kReplace_Op:
+            clipRect->set(r);
+            clipped = true;
+            break;
+    }
+
+    if (clipped) {
+        flags |= Snapshot::kFlagClipSet;
+    }
+
+    return clipped;
+}
+
+void Snapshot::setClip(float left, float top, float right, float bottom) {
+    clipRect->set(left, top, right, bottom);
+    flags |= Snapshot::kFlagClipSet;
+}
+
+const Rect& Snapshot::getLocalClip() {
+    mat4 inverse;
+    inverse.loadInverse(*transform);
+
+    mLocalClip.set(*clipRect);
+    inverse.mapRect(mLocalClip);
+
+    return mLocalClip;
+}
+
+void Snapshot::resetClip(float left, float top, float right, float bottom) {
+    clipRect = &mClipRectRoot;
+    clipRect->set(left, top, right, bottom);
+    flags |= Snapshot::kFlagClipSet;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Transforms
+///////////////////////////////////////////////////////////////////////////////
+
+void Snapshot::resetTransform(float x, float y, float z) {
+    transform = &mTransformRoot;
+    transform->loadTranslate(x, y, z);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Queries
+///////////////////////////////////////////////////////////////////////////////
+
+bool Snapshot::isIgnored() const {
+    return invisible || empty;
+}
+
+}; // namespace uirenderer
+}; // namespace android
diff --git a/libs/hwui/Snapshot.h b/libs/hwui/Snapshot.h
index aff7b93..c94af7e 100644
--- a/libs/hwui/Snapshot.h
+++ b/libs/hwui/Snapshot.h
@@ -23,7 +23,7 @@
 #include <utils/RefBase.h>
 #include <ui/Region.h>
 
-#include <SkCanvas.h>
+#include <SkRegion.h>
 
 #include "Layer.h"
 #include "Matrix.h"
@@ -43,43 +43,12 @@
  */
 class Snapshot: public LightRefBase<Snapshot> {
 public:
-    Snapshot(): flags(0), previous(NULL), layer(NULL), fbo(0), invisible(false), empty(false) {
-        transform = &mTransformRoot;
-        clipRect = &mClipRectRoot;
-        region = NULL;
-    }
+
+    Snapshot();
+    Snapshot(const sp<Snapshot>& s, int saveFlags);
 
     /**
-     * Copies the specified snapshot/ The specified snapshot is stored as
-     * the previous snapshot.
-     */
-    Snapshot(const sp<Snapshot>& s, int saveFlags):
-            flags(0), previous(s), layer(NULL), fbo(s->fbo),
-            invisible(s->invisible), empty(false), viewport(s->viewport), height(s->height) {
-        if (saveFlags & SkCanvas::kMatrix_SaveFlag) {
-            mTransformRoot.load(*s->transform);
-            transform = &mTransformRoot;
-        } else {
-            transform = s->transform;
-        }
-
-        if (saveFlags & SkCanvas::kClip_SaveFlag) {
-            mClipRectRoot.set(*s->clipRect);
-            clipRect = &mClipRectRoot;
-        } else {
-            clipRect = s->clipRect;
-        }
-
-        if (s->flags & Snapshot::kFlagFboTarget) {
-            flags |= Snapshot::kFlagFboTarget;
-            region = s->region;
-        } else {
-            region = NULL;
-        }
-    }
-
-    /**
-     * Various flags set on #flags.
+     * Various flags set on ::flags.
      */
     enum Flags {
         /**
@@ -115,87 +84,41 @@
      * by this snapshot's trasnformation.
      */
     bool clip(float left, float top, float right, float bottom,
-            SkRegion::Op op = SkRegion::kIntersect_Op) {
-        Rect r(left, top, right, bottom);
-        transform->mapRect(r);
-        return clipTransformed(r, op);
-    }
+            SkRegion::Op op = SkRegion::kIntersect_Op);
 
     /**
      * Modifies the current clip with the new clip rectangle and
      * the specified operation. The specified rectangle is considered
      * already transformed.
      */
-    bool clipTransformed(const Rect& r, SkRegion::Op op = SkRegion::kIntersect_Op) {
-        bool clipped = false;
-
-        // NOTE: The unimplemented operations require support for regions
-        // Supporting regions would require using a stencil buffer instead
-        // of the scissor. The stencil buffer itself is not too expensive
-        // (memory cost excluded) but on fillrate limited devices, managing
-        // the stencil might have a negative impact on the framerate.
-        switch (op) {
-            case SkRegion::kDifference_Op:
-                break;
-            case SkRegion::kIntersect_Op:
-                clipped = clipRect->intersect(r);
-                if (!clipped) {
-                    clipRect->setEmpty();
-                    clipped = true;
-                }
-                break;
-            case SkRegion::kUnion_Op:
-                clipped = clipRect->unionWith(r);
-                break;
-            case SkRegion::kXOR_Op:
-                break;
-            case SkRegion::kReverseDifference_Op:
-                break;
-            case SkRegion::kReplace_Op:
-                clipRect->set(r);
-                clipped = true;
-                break;
-        }
-
-        if (clipped) {
-            flags |= Snapshot::kFlagClipSet;
-        }
-
-        return clipped;
-    }
+    bool clipTransformed(const Rect& r, SkRegion::Op op = SkRegion::kIntersect_Op);
 
     /**
      * Sets the current clip.
      */
-    void setClip(float left, float top, float right, float bottom) {
-        clipRect->set(left, top, right, bottom);
-        flags |= Snapshot::kFlagClipSet;
-    }
+    void setClip(float left, float top, float right, float bottom);
 
-    const Rect& getLocalClip() {
-        mat4 inverse;
-        inverse.loadInverse(*transform);
+    /**
+     * Returns the current clip in local coordinates. The clip rect is
+     * transformed by the inverse transform matrix.
+     */
+    const Rect& getLocalClip();
 
-        mLocalClip.set(*clipRect);
-        inverse.mapRect(mLocalClip);
+    /**
+     * Resets the clip to the specified rect.
+     */
+    void resetClip(float left, float top, float right, float bottom);
 
-        return mLocalClip;
-    }
+    /**
+     * Resets the current transform to a pure 3D translation.
+     */
+    void resetTransform(float x, float y, float z);
 
-    void resetTransform(float x, float y, float z) {
-        transform = &mTransformRoot;
-        transform->loadTranslate(x, y, z);
-    }
-
-    void resetClip(float left, float top, float right, float bottom) {
-        clipRect = &mClipRectRoot;
-        clipRect->set(left, top, right, bottom);
-        flags |= Snapshot::kFlagClipSet;
-    }
-
-    bool isIgnored() const {
-        return invisible || empty;
-    }
+    /**
+     * Indicates whether this snapshot should be ignored. A snapshot
+     * is typicalled ignored if its layer is invisible or empty.
+     */
+    bool isIgnored() const;
 
     /**
      * Dirty flags.
@@ -209,6 +132,8 @@
 
     /**
      * Only set when the flag kFlagIsLayer is set.
+     *
+     * This snapshot does not own the layer, this pointer must not be freed.
      */
     Layer* layer;
 
@@ -249,17 +174,26 @@
     /**
      * Local transformation. Holds the current translation, scale and
      * rotation values.
+     *
+     * This is a reference to a matrix owned by this snapshot or another
+     *  snapshot. This pointer must not be freed. See ::mTransformRoot.
      */
     mat4* transform;
 
     /**
      * Current clip region. The clip is stored in canvas-space coordinates,
      * (screen-space coordinates in the regular case.)
+     *
+     * This is a reference to a rect owned by this snapshot or another
+     * snapshot. This pointer must not be freed. See ::mClipRectRoot.
      */
     Rect* clipRect;
 
     /**
      * The ancestor layer's dirty region.
+     *
+     * This is a reference to a region owned by a layer. This pointer must
+     * not be freed.
      */
     Region* region;
 
diff --git a/libs/rs/rsAllocation.cpp b/libs/rs/rsAllocation.cpp
index 972e3d6..fd85b07 100644
--- a/libs/rs/rsAllocation.cpp
+++ b/libs/rs/rsAllocation.cpp
@@ -124,7 +124,8 @@
     }
 
     const Element * e = mHal.state.type->getElement()->getField(cIdx);
-    if (sizeBytes != e->getSizeBytes()) {
+    uint32_t elemArraySize = mHal.state.type->getElement()->getFieldArraySize(cIdx);
+    if (sizeBytes != e->getSizeBytes() * elemArraySize) {
         ALOGE("Error Allocation::subElementData data size %zu does not match field size %zu.", sizeBytes, e->getSizeBytes());
         rsc->setError(RS_ERROR_BAD_VALUE, "subElementData bad size.");
         return;
@@ -157,8 +158,8 @@
     }
 
     const Element * e = mHal.state.type->getElement()->getField(cIdx);
-
-    if (sizeBytes != e->getSizeBytes()) {
+    uint32_t elemArraySize = mHal.state.type->getElement()->getFieldArraySize(cIdx);
+    if (sizeBytes != e->getSizeBytes() * elemArraySize) {
         ALOGE("Error Allocation::subElementData data size %zu does not match field size %zu.", sizeBytes, e->getSizeBytes());
         rsc->setError(RS_ERROR_BAD_VALUE, "subElementData bad size.");
         return;
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index 544ab74..24cf504 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -98,7 +98,8 @@
 
 LOCAL_C_INCLUDES += \
 		external/zlib \
-		external/icu4c/common
+		external/icu4c/common \
+		bionic/libc/private
 
 LOCAL_LDLIBS += -lpthread
 
@@ -114,7 +115,10 @@
 
 ifeq ($(TARGET_OS),linux)
 include $(CLEAR_VARS)
-LOCAL_C_INCLUDES += external/zlib external/icu4c/common
+LOCAL_C_INCLUDES += \
+		external/zlib \
+		external/icu4c/common \
+		bionic/libc/private
 LOCAL_LDLIBS := -lrt -ldl -lpthread
 LOCAL_MODULE := libutils
 LOCAL_SRC_FILES := $(commonSources) BackupData.cpp BackupHelpers.cpp
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index e343c62..ab207f5 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -34,6 +34,9 @@
 # include <pthread.h>
 # include <sched.h>
 # include <sys/resource.h>
+#ifdef HAVE_ANDROID_OS
+# include <bionic_pthread.h>
+#endif
 #elif defined(HAVE_WIN32_THREADS)
 # include <windows.h>
 # include <stdint.h>
@@ -86,7 +89,7 @@
     char *          threadName;
 
     // we use this trampoline when we need to set the priority with
-    // nice/setpriority.
+    // nice/setpriority, and name with prctl.
     static int trampoline(const thread_data_t* t) {
         thread_func_t f = t->entryFunction;
         void* u = t->userData;
@@ -141,8 +144,13 @@
 
 #ifdef HAVE_ANDROID_OS  /* valgrind is rejecting RT-priority create reqs */
     if (threadPriority != PRIORITY_DEFAULT || threadName != NULL) {
-        // We could avoid the trampoline if there was a way to get to the
-        // android_thread_id_t (pid) from pthread_t
+        // Now that the pthread_t has a method to find the associated
+        // android_thread_id_t (pid) from pthread_t, it would be possible to avoid
+        // this trampoline in some cases as the parent could set the properties
+        // for the child.  However, there would be a race condition because the
+        // child becomes ready immediately, and it doesn't work for the name.
+        // prctl(PR_SET_NAME) only works for self; prctl(PR_SET_THREAD_NAME) was
+        // proposed but not yet accepted.
         thread_data_t* t = new thread_data_t;
         t->priority = threadPriority;
         t->threadName = threadName ? strdup(threadName) : NULL;
@@ -178,6 +186,13 @@
     return 1;
 }
 
+#ifdef HAVE_ANDROID_OS
+static pthread_t android_thread_id_t_to_pthread(android_thread_id_t thread)
+{
+    return (pthread_t) thread;
+}
+#endif
+
 android_thread_id_t androidGetThreadId()
 {
     return (android_thread_id_t)pthread_self();
@@ -909,6 +924,23 @@
     return mStatus;
 }
 
+#ifdef HAVE_ANDROID_OS
+pid_t Thread::getTid() const
+{
+    // mTid is not defined until the child initializes it, and the caller may need it earlier
+    Mutex::Autolock _l(mLock);
+    pid_t tid;
+    if (mRunning) {
+        pthread_t pthread = android_thread_id_t_to_pthread(mThread);
+        tid = __pthread_gettid(pthread);
+    } else {
+        ALOGW("Thread (this=%p): getTid() is undefined before run()", this);
+        tid = -1;
+    }
+    return tid;
+}
+#endif
+
 bool Thread::exitPending() const
 {
     Mutex::Autolock _l(mLock);
diff --git a/media/java/android/media/MediaRecorder.java b/media/java/android/media/MediaRecorder.java
index a720c0a..85d99c1 100644
--- a/media/java/android/media/MediaRecorder.java
+++ b/media/java/android/media/MediaRecorder.java
@@ -204,18 +204,24 @@
         /** MPEG4 media file format*/
         public static final int MPEG_4 = 2;
 
-        /** The following formats are audio only .aac or .amr formats **/
-        /** @deprecated  Deprecated in favor of AMR_NB */
-        /** Deprecated in favor of MediaRecorder.OutputFormat.AMR_NB */
-        /** AMR NB file format */
+        /** The following formats are audio only .aac or .amr formats */
+
+        /**
+         * AMR NB file format
+         * @deprecated  Deprecated in favor of MediaRecorder.OutputFormat.AMR_NB
+         */
         public static final int RAW_AMR = 3;
+
         /** AMR NB file format */
         public static final int AMR_NB = 3;
+
         /** AMR WB file format */
         public static final int AMR_WB = 4;
+
         /** @hide AAC ADIF file format */
         public static final int AAC_ADIF = 5;
-        /** @hide AAC ADTS file format */
+
+        /** AAC ADTS file format */
         public static final int AAC_ADTS = 6;
 
         /** @hide Stream over a socket, limited to a single stream */
diff --git a/media/java/android/media/MediaScanner.java b/media/java/android/media/MediaScanner.java
index b640e9a..1c13fff 100644
--- a/media/java/android/media/MediaScanner.java
+++ b/media/java/android/media/MediaScanner.java
@@ -314,10 +314,8 @@
 
     private final String mExternalStoragePath;
 
-    // WARNING: Bulk inserts sounded like a great idea and gave us a good performance improvement,
-    // but unfortunately it also introduced a number of bugs. All the known bugs were fixed,
-    // but we need more testing before enabling.
-    private static final boolean ENABLE_BULK_INSERTS = false;
+    /** whether to use bulk inserts or individual inserts for each item */
+    private static final boolean ENABLE_BULK_INSERTS = true;
 
     // used when scanning the image database so we know whether we have to prune
     // old thumbnail files
diff --git a/media/libeffects/preprocessing/Android.mk b/media/libeffects/preprocessing/Android.mk
index 77d40b6..7f7c7e1 100755
--- a/media/libeffects/preprocessing/Android.mk
+++ b/media/libeffects/preprocessing/Android.mk
@@ -13,7 +13,7 @@
 LOCAL_C_INCLUDES += \
     external/webrtc/src \
     external/webrtc/src/modules/interface \
-    external/webrtc/src/modules/audio_processing/main/interface \
+    external/webrtc/src/modules/audio_processing/interface \
     system/media/audio_effects/include
 
 LOCAL_C_INCLUDES += $(call include-path-for, speex)
diff --git a/media/libeffects/preprocessing/PreProcessing.cpp b/media/libeffects/preprocessing/PreProcessing.cpp
index e988e06..9fd6764 100755
--- a/media/libeffects/preprocessing/PreProcessing.cpp
+++ b/media/libeffects/preprocessing/PreProcessing.cpp
@@ -24,8 +24,8 @@
 #include <audio_effects/effect_aec.h>
 #include <audio_effects/effect_agc.h>
 #include <audio_effects/effect_ns.h>
-#include "modules/interface/module_common_types.h"
-#include "modules/audio_processing/main/interface/audio_processing.h"
+#include <module_common_types.h>
+#include <audio_processing.h>
 #include "speex/speex_resampler.h"
 
 
@@ -220,8 +220,8 @@
 // Automatic Gain Control (AGC)
 //------------------------------------------------------------------------------
 
-static const int kAgcDefaultTargetLevel = 0;
-static const int kAgcDefaultCompGain = 90;
+static const int kAgcDefaultTargetLevel = 3;
+static const int kAgcDefaultCompGain = 9;
 static const bool kAgcDefaultLimiter = true;
 
 int  AgcInit (preproc_effect_t *effect)
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 124032b..df5017b 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -35,7 +35,8 @@
 sp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient;
 audio_error_callback AudioSystem::gAudioErrorCallback = NULL;
 // Cached values
-DefaultKeyedVector<int, audio_io_handle_t> AudioSystem::gStreamOutputMap(0);
+
+DefaultKeyedVector<audio_stream_type_t, audio_io_handle_t> AudioSystem::gStreamOutputMap(0);
 DefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0);
 
 // Cached values for recording queries, all protected by gLock
@@ -404,7 +405,7 @@
 void AudioSystem::AudioFlingerClient::ioConfigChanged(int event, int ioHandle, void *param2) {
     ALOGV("ioConfigChanged() event %d", event);
     OutputDescriptor *desc;
-    uint32_t stream;
+    audio_stream_type_t stream;
 
     if (ioHandle == 0) return;
 
@@ -413,7 +414,7 @@
     switch (event) {
     case STREAM_CONFIG_CHANGED:
         if (param2 == 0) break;
-        stream = *(uint32_t *)param2;
+        stream = *(audio_stream_type_t *)param2;
         ALOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle);
         if (gStreamOutputMap.indexOfKey(stream) >= 0) {
             gStreamOutputMap.replaceValueFor(stream, ioHandle);
diff --git a/media/libstagefright/colorconversion/ColorConverter.cpp b/media/libstagefright/colorconversion/ColorConverter.cpp
index 5cc3f78..f3ef3de 100644
--- a/media/libstagefright/colorconversion/ColorConverter.cpp
+++ b/media/libstagefright/colorconversion/ColorConverter.cpp
@@ -144,8 +144,8 @@
         return ERROR_UNSUPPORTED;
     }
 
-    uint32_t *dst_ptr = (uint32_t *)dst.mBits
-        + (dst.mCropTop * dst.mWidth + dst.mCropLeft) / 2;
+    uint16_t *dst_ptr = (uint16_t *)dst.mBits
+        + dst.mCropTop * dst.mWidth + dst.mCropLeft;
 
     const uint8_t *src_ptr = (const uint8_t *)src.mBits
         + (src.mCropTop * dst.mWidth + src.mCropLeft) * 2;
@@ -182,11 +182,15 @@
                 | ((kAdjustedClip[g2] >> 2) << 5)
                 | (kAdjustedClip[b2] >> 3);
 
-            dst_ptr[x / 2] = (rgb2 << 16) | rgb1;
+            if (x + 1 < src.cropWidth()) {
+                *(uint32_t *)(&dst_ptr[x]) = (rgb2 << 16) | rgb1;
+            } else {
+                dst_ptr[x] = rgb1;
+            }
         }
 
         src_ptr += src.mWidth * 2;
-        dst_ptr += dst.mWidth / 2;
+        dst_ptr += dst.mWidth;
     }
 
     return OK;
@@ -290,15 +294,14 @@
         const BitmapParams &src, const BitmapParams &dst) {
     uint8_t *kAdjustedClip = initClip();
 
-    if (!((dst.mWidth & 3) == 0
-            && (src.mCropLeft & 1) == 0
+    if (!((src.mCropLeft & 1) == 0
             && src.cropWidth() == dst.cropWidth()
             && src.cropHeight() == dst.cropHeight())) {
         return ERROR_UNSUPPORTED;
     }
 
-    uint32_t *dst_ptr = (uint32_t *)dst.mBits
-        + (dst.mCropTop * dst.mWidth + dst.mCropLeft) / 2;
+    uint16_t *dst_ptr = (uint16_t *)dst.mBits
+        + dst.mCropTop * dst.mWidth + dst.mCropLeft;
 
     const uint8_t *src_y =
         (const uint8_t *)src.mBits + src.mCropTop * src.mWidth + src.mCropLeft;
@@ -340,7 +343,11 @@
                 | ((kAdjustedClip[g2] >> 2) << 5)
                 | (kAdjustedClip[r2] >> 3);
 
-            dst_ptr[x / 2] = (rgb2 << 16) | rgb1;
+            if (x + 1 < src.cropWidth()) {
+                *(uint32_t *)(&dst_ptr[x]) = (rgb2 << 16) | rgb1;
+            } else {
+                dst_ptr[x] = rgb1;
+            }
         }
 
         src_y += src.mWidth;
@@ -349,7 +356,7 @@
             src_u += src.mWidth;
         }
 
-        dst_ptr += dst.mWidth / 2;
+        dst_ptr += dst.mWidth;
     }
 
     return OK;
@@ -361,15 +368,14 @@
 
     uint8_t *kAdjustedClip = initClip();
 
-    if (!((dst.mWidth & 3) == 0
-            && (src.mCropLeft & 1) == 0
+    if (!((src.mCropLeft & 1) == 0
             && src.cropWidth() == dst.cropWidth()
             && src.cropHeight() == dst.cropHeight())) {
         return ERROR_UNSUPPORTED;
     }
 
-    uint32_t *dst_ptr = (uint32_t *)dst.mBits
-        + (dst.mCropTop * dst.mWidth + dst.mCropLeft) / 2;
+    uint16_t *dst_ptr = (uint16_t *)dst.mBits
+        + dst.mCropTop * dst.mWidth + dst.mCropLeft;
 
     const uint8_t *src_y =
         (const uint8_t *)src.mBits + src.mCropTop * src.mWidth + src.mCropLeft;
@@ -411,7 +417,11 @@
                 | ((kAdjustedClip[g2] >> 2) << 5)
                 | (kAdjustedClip[r2] >> 3);
 
-            dst_ptr[x / 2] = (rgb2 << 16) | rgb1;
+            if (x + 1 < src.cropWidth()) {
+                *(uint32_t *)(&dst_ptr[x]) = (rgb2 << 16) | rgb1;
+            } else {
+                dst_ptr[x] = rgb1;
+            }
         }
 
         src_y += src.mWidth;
@@ -420,7 +430,7 @@
             src_u += src.mWidth;
         }
 
-        dst_ptr += dst.mWidth / 2;
+        dst_ptr += dst.mWidth;
     }
 
     return OK;
@@ -430,15 +440,14 @@
         const BitmapParams &src, const BitmapParams &dst) {
     uint8_t *kAdjustedClip = initClip();
 
-    if (!((dst.mWidth & 3) == 0
-            && (src.mCropLeft & 1) == 0
+    if (!((src.mCropLeft & 1) == 0
             && src.cropWidth() == dst.cropWidth()
             && src.cropHeight() == dst.cropHeight())) {
         return ERROR_UNSUPPORTED;
     }
 
-    uint32_t *dst_ptr = (uint32_t *)dst.mBits
-        + (dst.mCropTop * dst.mWidth + dst.mCropLeft) / 2;
+    uint16_t *dst_ptr = (uint16_t *)dst.mBits
+        + dst.mCropTop * dst.mWidth + dst.mCropLeft;
 
     const uint8_t *src_y = (const uint8_t *)src.mBits;
 
@@ -478,7 +487,11 @@
                 | ((kAdjustedClip[g2] >> 2) << 5)
                 | (kAdjustedClip[b2] >> 3);
 
-            dst_ptr[x / 2] = (rgb2 << 16) | rgb1;
+            if (x + 1 < src.cropWidth()) {
+                *(uint32_t *)(&dst_ptr[x]) = (rgb2 << 16) | rgb1;
+            } else {
+                dst_ptr[x] = rgb1;
+            }
         }
 
         src_y += src.mWidth;
@@ -487,7 +500,7 @@
             src_u += src.mWidth;
         }
 
-        dst_ptr += dst.mWidth / 2;
+        dst_ptr += dst.mWidth;
     }
 
     return OK;
diff --git a/media/libstagefright/omx/SimpleSoftOMXComponent.cpp b/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
index 0914f32..c79e01f 100644
--- a/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
+++ b/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
@@ -333,8 +333,9 @@
 
 void SimpleSoftOMXComponent::onMessageReceived(const sp<AMessage> &msg) {
     Mutex::Autolock autoLock(mLock);
-
-    switch (msg->what()) {
+    uint32_t msgType = msg->what();
+    ALOGV("msgType = %d", msgType);
+    switch (msgType) {
         case kWhatSendCommand:
         {
             int32_t cmd, param;
@@ -354,27 +355,27 @@
             CHECK(mState == OMX_StateExecuting && mTargetState == mState);
 
             bool found = false;
-            for (size_t i = 0; i < mPorts.size(); ++i) {
-                PortInfo *port = &mPorts.editItemAt(i);
+            size_t portIndex = (kWhatEmptyThisBuffer == msgType)?
+                    header->nInputPortIndex: header->nOutputPortIndex;
+            PortInfo *port = &mPorts.editItemAt(portIndex);
 
-                for (size_t j = 0; j < port->mBuffers.size(); ++j) {
-                    BufferInfo *buffer = &port->mBuffers.editItemAt(j);
+            for (size_t j = 0; j < port->mBuffers.size(); ++j) {
+                BufferInfo *buffer = &port->mBuffers.editItemAt(j);
 
-                    if (buffer->mHeader == header) {
-                        CHECK(!buffer->mOwnedByUs);
+                if (buffer->mHeader == header) {
+                    CHECK(!buffer->mOwnedByUs);
 
-                        buffer->mOwnedByUs = true;
+                    buffer->mOwnedByUs = true;
 
-                        CHECK((msg->what() == kWhatEmptyThisBuffer
-                                    && port->mDef.eDir == OMX_DirInput)
-                                || (port->mDef.eDir == OMX_DirOutput));
+                    CHECK((msgType == kWhatEmptyThisBuffer
+                            && port->mDef.eDir == OMX_DirInput)
+                            || (port->mDef.eDir == OMX_DirOutput));
 
-                        port->mQueue.push_back(buffer);
-                        onQueueFilled(i);
+                    port->mQueue.push_back(buffer);
+                    onQueueFilled(portIndex);
 
-                        found = true;
-                        break;
-                    }
+                    found = true;
+                    break;
                 }
             }
 
diff --git a/packages/SystemUI/src/com/android/systemui/net/NetworkOverLimitActivity.java b/packages/SystemUI/src/com/android/systemui/net/NetworkOverLimitActivity.java
index 723e338..888b76e 100644
--- a/packages/SystemUI/src/com/android/systemui/net/NetworkOverLimitActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/net/NetworkOverLimitActivity.java
@@ -77,7 +77,7 @@
         final INetworkPolicyManager policyService = INetworkPolicyManager.Stub.asInterface(
                 ServiceManager.getService(Context.NETWORK_POLICY_SERVICE));
         try {
-            policyService.snoozePolicy(template);
+            policyService.snoozeLimit(template);
         } catch (RemoteException e) {
             Slog.w(TAG, "problem snoozing network policy", e);
         }
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 2d856ad..0c44f3f 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1740,7 +1740,7 @@
 
     // FIXME - Current mixer implementation only supports stereo output: Always
     // Allocate a stereo buffer even if HW output is mono.
-    if (mMixBuffer != NULL) delete[] mMixBuffer;
+    delete[] mMixBuffer;
     mMixBuffer = new int16_t[mFrameCount * 2];
     memset(mMixBuffer, 0, mFrameCount * 2 * sizeof(int16_t));
 
@@ -2461,6 +2461,8 @@
             }
             if (status == NO_ERROR && reconfig) {
                 delete mAudioMixer;
+                // for safety in case readOutputParameters() accesses mAudioMixer (it doesn't)
+                mAudioMixer = NULL;
                 readOutputParameters();
                 mAudioMixer = new AudioMixer(mFrameCount, mSampleRate);
                 for (size_t i = 0; i < mTracks.size() ; i++) {
@@ -4065,7 +4067,7 @@
     mAudioFlinger->removeClient_l(mPid);
 }
 
-const sp<MemoryDealer>& AudioFlinger::Client::heap() const
+sp<MemoryDealer> AudioFlinger::Client::heap() const
 {
     return mMemoryDealer;
 }
@@ -4282,10 +4284,8 @@
 AudioFlinger::RecordThread::~RecordThread()
 {
     delete[] mRsmpInBuffer;
-    if (mResampler != NULL) {
-        delete mResampler;
-        delete[] mRsmpOutBuffer;
-    }
+    delete mResampler;
+    delete[] mRsmpOutBuffer;
 }
 
 void AudioFlinger::RecordThread::onFirstRef()
@@ -4829,9 +4829,11 @@
 
 void AudioFlinger::RecordThread::readInputParameters()
 {
-    if (mRsmpInBuffer) delete mRsmpInBuffer;
-    if (mRsmpOutBuffer) delete mRsmpOutBuffer;
-    if (mResampler) delete mResampler;
+    delete mRsmpInBuffer;
+    // mRsmpInBuffer is always assigned a new[] below
+    delete mRsmpOutBuffer;
+    mRsmpOutBuffer = NULL;
+    delete mResampler;
     mResampler = NULL;
 
     mSampleRate = mInput->stream->common.get_sample_rate(&mInput->stream->common);
@@ -6179,7 +6181,7 @@
     }
 }
 
-status_t AudioFlinger::EffectModule::addHandle(sp<EffectHandle>& handle)
+status_t AudioFlinger::EffectModule::addHandle(const sp<EffectHandle>& handle)
 {
     status_t status;
 
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 766ba44..ece4ba2 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -226,7 +226,7 @@
     public:
                             Client(const sp<AudioFlinger>& audioFlinger, pid_t pid);
         virtual             ~Client();
-        const sp<MemoryDealer>&     heap() const;
+        sp<MemoryDealer>    heap() const;
         pid_t               pid() const { return mPid; }
         sp<AudioFlinger>    audioFlinger() { return mAudioFlinger; }
 
@@ -1107,7 +1107,7 @@
         void        setThread(const wp<ThreadBase>& thread) { mThread = thread; }
         wp<ThreadBase>& thread() { return mThread; }
 
-        status_t addHandle(sp<EffectHandle>& handle);
+        status_t addHandle(const sp<EffectHandle>& handle);
         void disconnect(const wp<EffectHandle>& handle, bool unpiniflast);
         size_t removeHandle (const wp<EffectHandle>& handle);
 
diff --git a/services/audioflinger/AudioMixer.cpp b/services/audioflinger/AudioMixer.cpp
index a8102e5..a01c6a8 100644
--- a/services/audioflinger/AudioMixer.cpp
+++ b/services/audioflinger/AudioMixer.cpp
@@ -1127,9 +1127,7 @@
         }
     }
 
-    if (buff != NULL) {
-        delete [] buff;
-    }
+    delete [] buff;
 }
 #endif
 
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index 2df1385..7695d2b 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -649,7 +649,7 @@
         release_wake_lock(mName.string());
     }
     mAudioCommands.clear();
-    if (mpToneGenerator != NULL) delete mpToneGenerator;
+    delete mpToneGenerator;
 }
 
 void AudioPolicyService::AudioCommandThread::onFirstRef()
@@ -682,8 +682,7 @@
                     ToneData *data = (ToneData *)command->mParam;
                     ALOGV("AudioCommandThread() processing start tone %d on stream %d",
                             data->mType, data->mStream);
-                    if (mpToneGenerator != NULL)
-                        delete mpToneGenerator;
+                    delete mpToneGenerator;
                     mpToneGenerator = new ToneGenerator(data->mStream, 1.0);
                     mpToneGenerator->startTone(data->mType);
                     delete data;
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index db0a736..3a6a3de 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -158,6 +158,7 @@
     static final boolean DEBUG_OOM_ADJ = localLOGV || false;
     static final boolean DEBUG_TRANSITION = localLOGV || false;
     static final boolean DEBUG_BROADCAST = localLOGV || false;
+    static final boolean DEBUG_BACKGROUND_BROADCAST = DEBUG_BROADCAST || false;
     static final boolean DEBUG_BROADCAST_LIGHT = DEBUG_BROADCAST || false;
     static final boolean DEBUG_SERVICE = localLOGV || false;
     static final boolean DEBUG_SERVICE_EXECUTING = localLOGV || false;
@@ -221,7 +222,8 @@
     static final int CPU_MIN_CHECK_DURATION = (DEBUG_POWER_QUICK ? 1 : 5) * 60*1000;
 
     // How long we allow a receiver to run before giving up on it.
-    static final int BROADCAST_TIMEOUT = 10*1000;
+    static final int BROADCAST_FG_TIMEOUT = 10*1000;
+    static final int BROADCAST_BG_TIMEOUT = 60*1000;
 
     // How long we wait for a service to finish executing.
     static final int SERVICE_TIMEOUT = 20*1000;
@@ -276,33 +278,823 @@
             = new ArrayList<PendingActivityLaunch>();
     
     /**
-     * List of all active broadcasts that are to be executed immediately
-     * (without waiting for another broadcast to finish).  Currently this only
-     * contains broadcasts to registered receivers, to avoid spinning up
-     * a bunch of processes to execute IntentReceiver components.
+     * BROADCASTS
+     *
+     * We keep two broadcast queues and associated bookkeeping, one for those at
+     * foreground priority, and one for normal (background-priority) broadcasts.
      */
-    final ArrayList<BroadcastRecord> mParallelBroadcasts
-            = new ArrayList<BroadcastRecord>();
+    public class BroadcastQueue {
+        static final String TAG = "BroadcastQueue";
 
-    /**
-     * List of all active broadcasts that are to be executed one at a time.
-     * The object at the top of the list is the currently activity broadcasts;
-     * those after it are waiting for the top to finish..
-     */
-    final ArrayList<BroadcastRecord> mOrderedBroadcasts
-            = new ArrayList<BroadcastRecord>();
+        static final int MAX_BROADCAST_HISTORY = 25;
 
-    /**
-     * Historical data of past broadcasts, for debugging.
-     */
-    static final int MAX_BROADCAST_HISTORY = 25;
-    final BroadcastRecord[] mBroadcastHistory
-            = new BroadcastRecord[MAX_BROADCAST_HISTORY];
+        /**
+         * Recognizable moniker for this queue
+         */
+        String mQueueName;
 
-    /**
-     * Set when we current have a BROADCAST_INTENT_MSG in flight.
-     */
-    boolean mBroadcastsScheduled = false;
+        /**
+         * Timeout period for this queue's broadcasts
+         */
+        long mTimeoutPeriod;
+
+        /**
+         * Lists of all active broadcasts that are to be executed immediately
+         * (without waiting for another broadcast to finish).  Currently this only
+         * contains broadcasts to registered receivers, to avoid spinning up
+         * a bunch of processes to execute IntentReceiver components.  Background-
+         * and foreground-priority broadcasts are queued separately.
+         */
+        final ArrayList<BroadcastRecord> mParallelBroadcasts
+                = new ArrayList<BroadcastRecord>();
+        /**
+         * List of all active broadcasts that are to be executed one at a time.
+         * The object at the top of the list is the currently activity broadcasts;
+         * those after it are waiting for the top to finish.  As with parallel
+         * broadcasts, separate background- and foreground-priority queues are
+         * maintained.
+         */
+        final ArrayList<BroadcastRecord> mOrderedBroadcasts
+                = new ArrayList<BroadcastRecord>();
+
+        /**
+         * Historical data of past broadcasts, for debugging.
+         */
+        final BroadcastRecord[] mBroadcastHistory
+                = new BroadcastRecord[MAX_BROADCAST_HISTORY];
+
+        /**
+         * Set when we current have a BROADCAST_INTENT_MSG in flight.
+         */
+        boolean mBroadcastsScheduled = false;
+
+        /**
+         * True if we have a pending unexpired BROADCAST_TIMEOUT_MSG posted to our handler.
+         */
+        boolean mPendingBroadcastTimeoutMessage;
+
+        /**
+         * Intent broadcasts that we have tried to start, but are
+         * waiting for the application's process to be created.  We only
+         * need one per scheduling class (instead of a list) because we always
+         * process broadcasts one at a time, so no others can be started while
+         * waiting for this one.
+         */
+        BroadcastRecord mPendingBroadcast = null;
+
+        /**
+         * The receiver index that is pending, to restart the broadcast if needed.
+         */
+        int mPendingBroadcastRecvIndex;
+
+        BroadcastQueue(String name, long timeoutPeriod) {
+            mQueueName = name;
+            mTimeoutPeriod = timeoutPeriod;
+        }
+
+        public boolean isPendingBroadcastProcessLocked(int pid) {
+            return mPendingBroadcast != null && mPendingBroadcast.curApp.pid == pid;
+        }
+
+        public void enqueueParallelBroadcastLocked(BroadcastRecord r) {
+            mParallelBroadcasts.add(r);
+        }
+
+        public void enqueueOrderedBroadcastLocked(BroadcastRecord r) {
+            mOrderedBroadcasts.add(r);
+        }
+
+        public final boolean replaceParallelBroadcastLocked(BroadcastRecord r) {
+            for (int i=mParallelBroadcasts.size()-1; i>=0; i--) {
+                if (r.intent.filterEquals(mParallelBroadcasts.get(i).intent)) {
+                    if (DEBUG_BROADCAST) Slog.v(TAG,
+                            "***** DROPPING PARALLEL ["
+                    + mQueueName + "]: " + r.intent);
+                    mParallelBroadcasts.set(i, r);
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public final boolean replaceOrderedBroadcastLocked(BroadcastRecord r) {
+            for (int i=mOrderedBroadcasts.size()-1; i>0; i--) {
+                if (r.intent.filterEquals(mOrderedBroadcasts.get(i).intent)) {
+                    if (DEBUG_BROADCAST) Slog.v(TAG,
+                            "***** DROPPING ORDERED ["
+                            + mQueueName + "]: " + r.intent);
+                    mOrderedBroadcasts.set(i, r);
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        public boolean sendPendingBroadcastsLocked(ProcessRecord app) {
+            boolean didSomething = false;
+            final BroadcastRecord br = mPendingBroadcast;
+            if (br != null && br.curApp.pid == app.pid) {
+                try {
+                    mPendingBroadcast = null;
+                    processCurBroadcastLocked(br, app);
+                    didSomething = true;
+                } catch (Exception e) {
+                    Slog.w(TAG, "Exception in new application when starting receiver "
+                            + br.curComponent.flattenToShortString(), e);
+                    logBroadcastReceiverDiscardLocked(br);
+                    finishReceiverLocked(br, br.resultCode, br.resultData,
+                            br.resultExtras, br.resultAbort, true);
+                    scheduleBroadcastsLocked();
+                    // We need to reset the state if we fails to start the receiver.
+                    br.state = BroadcastRecord.IDLE;
+                    throw new RuntimeException(e.getMessage());
+                }
+            }
+            return didSomething;
+        }
+
+        public void skipPendingBroadcastLocked(int pid) {
+            final BroadcastRecord br = mPendingBroadcast;
+            if (br != null && br.curApp.pid == pid) {
+                br.state = BroadcastRecord.IDLE;
+                br.nextReceiver = mPendingBroadcastRecvIndex;
+                mPendingBroadcast = null;
+                scheduleBroadcastsLocked();
+            }
+        }
+
+        public void skipCurrentReceiverLocked(ProcessRecord app) {
+            boolean reschedule = false;
+            BroadcastRecord r = app.curReceiver;
+            if (r != null) {
+                // The current broadcast is waiting for this app's receiver
+                // to be finished.  Looks like that's not going to happen, so
+                // let the broadcast continue.
+                logBroadcastReceiverDiscardLocked(r);
+                finishReceiverLocked(r, r.resultCode, r.resultData,
+                        r.resultExtras, r.resultAbort, true);
+                reschedule = true;
+            }
+
+            r = mPendingBroadcast;
+            if (r != null && r.curApp == app) {
+                if (DEBUG_BROADCAST) Slog.v(TAG,
+                        "[" + mQueueName + "] skip & discard pending app " + r);
+                logBroadcastReceiverDiscardLocked(r);
+                finishReceiverLocked(r, r.resultCode, r.resultData,
+                        r.resultExtras, r.resultAbort, true);
+                reschedule = true;
+            }
+            if (reschedule) {
+                scheduleBroadcastsLocked();
+            }
+        }
+
+        public void scheduleBroadcastsLocked() {
+            if (DEBUG_BROADCAST) Slog.v(TAG, "Schedule broadcasts ["
+                    + mQueueName + "]: current="
+                    + mBroadcastsScheduled);
+
+            if (mBroadcastsScheduled) {
+                return;
+            }
+            mHandler.sendMessage(mHandler.obtainMessage(BROADCAST_INTENT_MSG, this));
+            mBroadcastsScheduled = true;
+        }
+
+        public BroadcastRecord getMatchingOrderedReceiver(IBinder receiver) {
+            if (mOrderedBroadcasts.size() > 0) {
+                final BroadcastRecord r = mOrderedBroadcasts.get(0);
+                if (r != null && r.receiver == receiver) {
+                    return r;
+                }
+            }
+            return null;
+        }
+
+        public boolean finishReceiverLocked(BroadcastRecord r, int resultCode,
+                String resultData, Bundle resultExtras, boolean resultAbort,
+                boolean explicit) {
+            int state = r.state;
+            r.state = BroadcastRecord.IDLE;
+            if (state == BroadcastRecord.IDLE) {
+                if (explicit) {
+                    Slog.w(TAG, "finishReceiver [" + mQueueName + "] called but state is IDLE");
+                }
+            }
+            r.receiver = null;
+            r.intent.setComponent(null);
+            if (r.curApp != null) {
+                r.curApp.curReceiver = null;
+            }
+            if (r.curFilter != null) {
+                r.curFilter.receiverList.curBroadcast = null;
+            }
+            r.curFilter = null;
+            r.curApp = null;
+            r.curComponent = null;
+            r.curReceiver = null;
+            mPendingBroadcast = null;
+
+            r.resultCode = resultCode;
+            r.resultData = resultData;
+            r.resultExtras = resultExtras;
+            r.resultAbort = resultAbort;
+
+            // We will process the next receiver right now if this is finishing
+            // an app receiver (which is always asynchronous) or after we have
+            // come back from calling a receiver.
+            return state == BroadcastRecord.APP_RECEIVE
+                    || state == BroadcastRecord.CALL_DONE_RECEIVE;
+        }
+
+        private final void processNextBroadcast(boolean fromMsg) {
+            synchronized(ActivityManagerService.this) {
+                BroadcastRecord r;
+
+                if (DEBUG_BROADCAST) Slog.v(TAG, "processNextBroadcast ["
+                        + mQueueName + "]: "
+                        + mParallelBroadcasts.size() + " broadcasts, "
+                        + mOrderedBroadcasts.size() + " ordered broadcasts");
+
+                updateCpuStats();
+
+                if (fromMsg) {
+                    mBroadcastsScheduled = false;
+                }
+
+                // First, deliver any non-serialized broadcasts right away.
+                while (mParallelBroadcasts.size() > 0) {
+                    r = mParallelBroadcasts.remove(0);
+                    r.dispatchTime = SystemClock.uptimeMillis();
+                    r.dispatchClockTime = System.currentTimeMillis();
+                    final int N = r.receivers.size();
+                    if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Processing parallel broadcast ["
+                            + mQueueName + "] " + r);
+                    for (int i=0; i<N; i++) {
+                        Object target = r.receivers.get(i);
+                        if (DEBUG_BROADCAST)  Slog.v(TAG,
+                                "Delivering non-ordered on [" + mQueueName + "] to registered "
+                                + target + ": " + r);
+                        deliverToRegisteredReceiverLocked(r, (BroadcastFilter)target, false);
+                    }
+                    addBroadcastToHistoryLocked(r);
+                    if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Done with parallel broadcast ["
+                            + mQueueName + "] " + r);
+                }
+
+                // Now take care of the next serialized one...
+
+                // If we are waiting for a process to come up to handle the next
+                // broadcast, then do nothing at this point.  Just in case, we
+                // check that the process we're waiting for still exists.
+                if (mPendingBroadcast != null) {
+                    if (DEBUG_BROADCAST_LIGHT) {
+                        Slog.v(TAG, "processNextBroadcast ["
+                                + mQueueName + "]: waiting for "
+                                + mPendingBroadcast.curApp);
+                    }
+
+                    boolean isDead;
+                    synchronized (mPidsSelfLocked) {
+                        isDead = (mPidsSelfLocked.get(mPendingBroadcast.curApp.pid) == null);
+                    }
+                    if (!isDead) {
+                        // It's still alive, so keep waiting
+                        return;
+                    } else {
+                        Slog.w(TAG, "pending app  ["
+                                + mQueueName + "]" + mPendingBroadcast.curApp
+                                + " died before responding to broadcast");
+                        mPendingBroadcast.state = BroadcastRecord.IDLE;
+                        mPendingBroadcast.nextReceiver = mPendingBroadcastRecvIndex;
+                        mPendingBroadcast = null;
+                    }
+                }
+
+                boolean looped = false;
+                
+                do {
+                    if (mOrderedBroadcasts.size() == 0) {
+                        // No more broadcasts pending, so all done!
+                        scheduleAppGcsLocked();
+                        if (looped) {
+                            // If we had finished the last ordered broadcast, then
+                            // make sure all processes have correct oom and sched
+                            // adjustments.
+                            updateOomAdjLocked();
+                        }
+                        return;
+                    }
+                    r = mOrderedBroadcasts.get(0);
+                    boolean forceReceive = false;
+
+                    // Ensure that even if something goes awry with the timeout
+                    // detection, we catch "hung" broadcasts here, discard them,
+                    // and continue to make progress.
+                    //
+                    // This is only done if the system is ready so that PRE_BOOT_COMPLETED
+                    // receivers don't get executed with timeouts. They're intended for
+                    // one time heavy lifting after system upgrades and can take
+                    // significant amounts of time.
+                    int numReceivers = (r.receivers != null) ? r.receivers.size() : 0;
+                    if (mProcessesReady && r.dispatchTime > 0) {
+                        long now = SystemClock.uptimeMillis();
+                        if ((numReceivers > 0) &&
+                                (now > r.dispatchTime + (2*mTimeoutPeriod*numReceivers))) {
+                            Slog.w(TAG, "Hung broadcast ["
+                                    + mQueueName + "] discarded after timeout failure:"
+                                    + " now=" + now
+                                    + " dispatchTime=" + r.dispatchTime
+                                    + " startTime=" + r.receiverTime
+                                    + " intent=" + r.intent
+                                    + " numReceivers=" + numReceivers
+                                    + " nextReceiver=" + r.nextReceiver
+                                    + " state=" + r.state);
+                            broadcastTimeoutLocked(false); // forcibly finish this broadcast
+                            forceReceive = true;
+                            r.state = BroadcastRecord.IDLE;
+                        }
+                    }
+
+                    if (r.state != BroadcastRecord.IDLE) {
+                        if (DEBUG_BROADCAST) Slog.d(TAG,
+                                "processNextBroadcast("
+                                + mQueueName + ") called when not idle (state="
+                                + r.state + ")");
+                        return;
+                    }
+
+                    if (r.receivers == null || r.nextReceiver >= numReceivers
+                            || r.resultAbort || forceReceive) {
+                        // No more receivers for this broadcast!  Send the final
+                        // result if requested...
+                        if (r.resultTo != null) {
+                            try {
+                                if (DEBUG_BROADCAST) {
+                                    int seq = r.intent.getIntExtra("seq", -1);
+                                    Slog.i(TAG, "Finishing broadcast ["
+                                            + mQueueName + "] " + r.intent.getAction()
+                                            + " seq=" + seq + " app=" + r.callerApp);
+                                }
+                                performReceiveLocked(r.callerApp, r.resultTo,
+                                    new Intent(r.intent), r.resultCode,
+                                    r.resultData, r.resultExtras, false, false);
+                                // Set this to null so that the reference
+                                // (local and remote) isnt kept in the mBroadcastHistory.
+                                r.resultTo = null;
+                            } catch (RemoteException e) {
+                                Slog.w(TAG, "Failure ["
+                                        + mQueueName + "] sending broadcast result of "
+                                        + r.intent, e);
+                            }
+                        }
+
+                        if (DEBUG_BROADCAST) Slog.v(TAG, "Cancelling BROADCAST_TIMEOUT_MSG");
+                        cancelBroadcastTimeoutLocked();
+
+                        if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Finished with ordered broadcast "
+                                + r);
+
+                        // ... and on to the next...
+                        addBroadcastToHistoryLocked(r);
+                        mOrderedBroadcasts.remove(0);
+                        r = null;
+                        looped = true;
+                        continue;
+                    }
+                } while (r == null);
+
+                // Get the next receiver...
+                int recIdx = r.nextReceiver++;
+
+                // Keep track of when this receiver started, and make sure there
+                // is a timeout message pending to kill it if need be.
+                r.receiverTime = SystemClock.uptimeMillis();
+                if (recIdx == 0) {
+                    r.dispatchTime = r.receiverTime;
+                    r.dispatchClockTime = System.currentTimeMillis();
+                    if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Processing ordered broadcast ["
+                            + mQueueName + "] " + r);
+                }
+                if (! mPendingBroadcastTimeoutMessage) {
+                    long timeoutTime = r.receiverTime + mTimeoutPeriod;
+                    if (DEBUG_BROADCAST) Slog.v(TAG,
+                            "Submitting BROADCAST_TIMEOUT_MSG ["
+                            + mQueueName + "] for " + r + " at " + timeoutTime);
+                    setBroadcastTimeoutLocked(timeoutTime);
+                }
+
+                Object nextReceiver = r.receivers.get(recIdx);
+                if (nextReceiver instanceof BroadcastFilter) {
+                    // Simple case: this is a registered receiver who gets
+                    // a direct call.
+                    BroadcastFilter filter = (BroadcastFilter)nextReceiver;
+                    if (DEBUG_BROADCAST)  Slog.v(TAG,
+                            "Delivering ordered ["
+                            + mQueueName + "] to registered "
+                            + filter + ": " + r);
+                    deliverToRegisteredReceiverLocked(r, filter, r.ordered);
+                    if (r.receiver == null || !r.ordered) {
+                        // The receiver has already finished, so schedule to
+                        // process the next one.
+                        if (DEBUG_BROADCAST) Slog.v(TAG, "Quick finishing ["
+                                + mQueueName + "]: ordered="
+                                + r.ordered + " receiver=" + r.receiver);
+                        r.state = BroadcastRecord.IDLE;
+                        scheduleBroadcastsLocked();
+                    }
+                    return;
+                }
+
+                // Hard case: need to instantiate the receiver, possibly
+                // starting its application process to host it.
+
+                ResolveInfo info =
+                    (ResolveInfo)nextReceiver;
+
+                boolean skip = false;
+                int perm = checkComponentPermission(info.activityInfo.permission,
+                        r.callingPid, r.callingUid, info.activityInfo.applicationInfo.uid,
+                        info.activityInfo.exported);
+                if (perm != PackageManager.PERMISSION_GRANTED) {
+                    if (!info.activityInfo.exported) {
+                        Slog.w(TAG, "Permission Denial: broadcasting "
+                                + r.intent.toString()
+                                + " from " + r.callerPackage + " (pid=" + r.callingPid
+                                + ", uid=" + r.callingUid + ")"
+                                + " is not exported from uid " + info.activityInfo.applicationInfo.uid
+                                + " due to receiver " + info.activityInfo.packageName
+                                + "/" + info.activityInfo.name);
+                    } else {
+                        Slog.w(TAG, "Permission Denial: broadcasting "
+                                + r.intent.toString()
+                                + " from " + r.callerPackage + " (pid=" + r.callingPid
+                                + ", uid=" + r.callingUid + ")"
+                                + " requires " + info.activityInfo.permission
+                                + " due to receiver " + info.activityInfo.packageName
+                                + "/" + info.activityInfo.name);
+                    }
+                    skip = true;
+                }
+                if (info.activityInfo.applicationInfo.uid != Process.SYSTEM_UID &&
+                    r.requiredPermission != null) {
+                    try {
+                        perm = AppGlobals.getPackageManager().
+                                checkPermission(r.requiredPermission,
+                                        info.activityInfo.applicationInfo.packageName);
+                    } catch (RemoteException e) {
+                        perm = PackageManager.PERMISSION_DENIED;
+                    }
+                    if (perm != PackageManager.PERMISSION_GRANTED) {
+                        Slog.w(TAG, "Permission Denial: receiving "
+                                + r.intent + " to "
+                                + info.activityInfo.applicationInfo.packageName
+                                + " requires " + r.requiredPermission
+                                + " due to sender " + r.callerPackage
+                                + " (uid " + r.callingUid + ")");
+                        skip = true;
+                    }
+                }
+                if (r.curApp != null && r.curApp.crashing) {
+                    // If the target process is crashing, just skip it.
+                    if (DEBUG_BROADCAST)  Slog.v(TAG,
+                            "Skipping deliver ordered ["
+                            + mQueueName + "] " + r + " to " + r.curApp
+                            + ": process crashing");
+                    skip = true;
+                }
+
+                if (skip) {
+                    if (DEBUG_BROADCAST)  Slog.v(TAG,
+                            "Skipping delivery of ordered ["
+                            + mQueueName + "] " + r + " for whatever reason");
+                    r.receiver = null;
+                    r.curFilter = null;
+                    r.state = BroadcastRecord.IDLE;
+                    scheduleBroadcastsLocked();
+                    return;
+                }
+
+                r.state = BroadcastRecord.APP_RECEIVE;
+                String targetProcess = info.activityInfo.processName;
+                r.curComponent = new ComponentName(
+                        info.activityInfo.applicationInfo.packageName,
+                        info.activityInfo.name);
+                r.curReceiver = info.activityInfo;
+
+                // Broadcast is being executed, its package can't be stopped.
+                try {
+                    AppGlobals.getPackageManager().setPackageStoppedState(
+                            r.curComponent.getPackageName(), false);
+                } catch (RemoteException e) {
+                } catch (IllegalArgumentException e) {
+                    Slog.w(TAG, "Failed trying to unstop package "
+                            + r.curComponent.getPackageName() + ": " + e);
+                }
+
+                // Is this receiver's application already running?
+                ProcessRecord app = getProcessRecordLocked(targetProcess,
+                        info.activityInfo.applicationInfo.uid);
+                if (app != null && app.thread != null) {
+                    try {
+                        app.addPackage(info.activityInfo.packageName);
+                        processCurBroadcastLocked(r, app);
+                        return;
+                    } catch (RemoteException e) {
+                        Slog.w(TAG, "Exception when sending broadcast to "
+                              + r.curComponent, e);
+                    }
+
+                    // If a dead object exception was thrown -- fall through to
+                    // restart the application.
+                }
+
+                // Not running -- get it started, to be executed when the app comes up.
+                if (DEBUG_BROADCAST)  Slog.v(TAG,
+                        "Need to start app ["
+                        + mQueueName + "] " + targetProcess + " for broadcast " + r);
+                if ((r.curApp=startProcessLocked(targetProcess,
+                        info.activityInfo.applicationInfo, true,
+                        r.intent.getFlags() | Intent.FLAG_FROM_BACKGROUND,
+                        "broadcast", r.curComponent,
+                        (r.intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0))
+                                == null) {
+                    // Ah, this recipient is unavailable.  Finish it if necessary,
+                    // and mark the broadcast record as ready for the next.
+                    Slog.w(TAG, "Unable to launch app "
+                            + info.activityInfo.applicationInfo.packageName + "/"
+                            + info.activityInfo.applicationInfo.uid + " for broadcast "
+                            + r.intent + ": process is bad");
+                    logBroadcastReceiverDiscardLocked(r);
+                    finishReceiverLocked(r, r.resultCode, r.resultData,
+                            r.resultExtras, r.resultAbort, true);
+                    scheduleBroadcastsLocked();
+                    r.state = BroadcastRecord.IDLE;
+                    return;
+                }
+
+                mPendingBroadcast = r;
+                mPendingBroadcastRecvIndex = recIdx;
+            }
+        }
+
+        final void setBroadcastTimeoutLocked(long timeoutTime) {
+            if (! mPendingBroadcastTimeoutMessage) {
+                Message msg = mHandler.obtainMessage(BROADCAST_TIMEOUT_MSG, this);
+                mHandler.sendMessageAtTime(msg, timeoutTime);
+                mPendingBroadcastTimeoutMessage = true;
+            }
+        }
+
+        final void cancelBroadcastTimeoutLocked() {
+            if (mPendingBroadcastTimeoutMessage) {
+                mHandler.removeMessages(BROADCAST_TIMEOUT_MSG, this);
+                mPendingBroadcastTimeoutMessage = false;
+            }
+        }
+
+        final void broadcastTimeoutLocked(boolean fromMsg) {
+            if (fromMsg) {
+                mPendingBroadcastTimeoutMessage = false;
+            }
+
+            if (mOrderedBroadcasts.size() == 0) {
+                return;
+            }
+
+            long now = SystemClock.uptimeMillis();
+            BroadcastRecord r = mOrderedBroadcasts.get(0);
+            if (fromMsg) {
+                if (mDidDexOpt) {
+                    // Delay timeouts until dexopt finishes.
+                    mDidDexOpt = false;
+                    long timeoutTime = SystemClock.uptimeMillis() + mTimeoutPeriod;
+                    setBroadcastTimeoutLocked(timeoutTime);
+                    return;
+                }
+                if (! mProcessesReady) {
+                    // Only process broadcast timeouts if the system is ready. That way
+                    // PRE_BOOT_COMPLETED broadcasts can't timeout as they are intended
+                    // to do heavy lifting for system up.
+                    return;
+                }
+
+                long timeoutTime = r.receiverTime + mTimeoutPeriod;
+                if (timeoutTime > now) {
+                    // We can observe premature timeouts because we do not cancel and reset the
+                    // broadcast timeout message after each receiver finishes.  Instead, we set up
+                    // an initial timeout then kick it down the road a little further as needed
+                    // when it expires.
+                    if (DEBUG_BROADCAST) Slog.v(TAG,
+                            "Premature timeout ["
+                            + mQueueName + "] @ " + now + ": resetting BROADCAST_TIMEOUT_MSG for "
+                            + timeoutTime);
+                    setBroadcastTimeoutLocked(timeoutTime);
+                    return;
+                }
+            }
+
+            Slog.w(TAG, "Timeout of broadcast " + r + " - receiver=" + r.receiver
+                    + ", started " + (now - r.receiverTime) + "ms ago");
+            r.receiverTime = now;
+            r.anrCount++;
+
+            // Current receiver has passed its expiration date.
+            if (r.nextReceiver <= 0) {
+                Slog.w(TAG, "Timeout on receiver with nextReceiver <= 0");
+                return;
+            }
+
+            ProcessRecord app = null;
+            String anrMessage = null;
+
+            Object curReceiver = r.receivers.get(r.nextReceiver-1);
+            Slog.w(TAG, "Receiver during timeout: " + curReceiver);
+            logBroadcastReceiverDiscardLocked(r);
+            if (curReceiver instanceof BroadcastFilter) {
+                BroadcastFilter bf = (BroadcastFilter)curReceiver;
+                if (bf.receiverList.pid != 0
+                        && bf.receiverList.pid != MY_PID) {
+                    synchronized (ActivityManagerService.this.mPidsSelfLocked) {
+                        app = ActivityManagerService.this.mPidsSelfLocked.get(
+                                bf.receiverList.pid);
+                    }
+                }
+            } else {
+                app = r.curApp;
+            }
+
+            if (app != null) {
+                anrMessage = "Broadcast of " + r.intent.toString();
+            }
+
+            if (mPendingBroadcast == r) {
+                mPendingBroadcast = null;
+            }
+
+            // Move on to the next receiver.
+            finishReceiverLocked(r, r.resultCode, r.resultData,
+                    r.resultExtras, r.resultAbort, true);
+            scheduleBroadcastsLocked();
+
+            if (anrMessage != null) {
+                // Post the ANR to the handler since we do not want to process ANRs while
+                // potentially holding our lock.
+                mHandler.post(new AppNotResponding(app, anrMessage));
+            }
+        }
+
+        private final void addBroadcastToHistoryLocked(BroadcastRecord r) {
+            if (r.callingUid < 0) {
+                // This was from a registerReceiver() call; ignore it.
+                return;
+            }
+            System.arraycopy(mBroadcastHistory, 0, mBroadcastHistory, 1,
+                    MAX_BROADCAST_HISTORY-1);
+            r.finishTime = SystemClock.uptimeMillis();
+            mBroadcastHistory[0] = r;
+        }
+
+        final void logBroadcastReceiverDiscardLocked(BroadcastRecord r) {
+            if (r.nextReceiver > 0) {
+                Object curReceiver = r.receivers.get(r.nextReceiver-1);
+                if (curReceiver instanceof BroadcastFilter) {
+                    BroadcastFilter bf = (BroadcastFilter) curReceiver;
+                    EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_FILTER,
+                            System.identityHashCode(r),
+                            r.intent.getAction(),
+                            r.nextReceiver - 1,
+                            System.identityHashCode(bf));
+                } else {
+                    EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_APP,
+                            System.identityHashCode(r),
+                            r.intent.getAction(),
+                            r.nextReceiver - 1,
+                            ((ResolveInfo)curReceiver).toString());
+                }
+            } else {
+                Slog.w(TAG, "Discarding broadcast before first receiver is invoked: "
+                        + r);
+                EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_APP,
+                        System.identityHashCode(r),
+                        r.intent.getAction(),
+                        r.nextReceiver,
+                        "NONE");
+            }
+        }
+
+        final boolean dumpLocked(FileDescriptor fd, PrintWriter pw, String[] args,
+                int opti, boolean dumpAll, String dumpPackage, boolean needSep) {
+            if (mParallelBroadcasts.size() > 0 || mOrderedBroadcasts.size() > 0
+                    || mPendingBroadcast != null) {
+                boolean printed = false;
+                for (int i=mParallelBroadcasts.size()-1; i>=0; i--) {
+                    BroadcastRecord br = mParallelBroadcasts.get(i);
+                    if (dumpPackage != null && !dumpPackage.equals(br.callerPackage)) {
+                        continue;
+                    }
+                    if (!printed) {
+                        if (needSep) {
+                            pw.println();
+                            needSep = false;
+                        }
+                        printed = true;
+                        pw.println("  Active broadcasts [" + mQueueName + "]:");
+                    }
+                    pw.println("  Broadcast #" + i + ":");
+                    br.dump(pw, "    ");
+                }
+                printed = false;
+                needSep = true;
+                for (int i=mOrderedBroadcasts.size()-1; i>=0; i--) {
+                    BroadcastRecord br = mOrderedBroadcasts.get(i);
+                    if (dumpPackage != null && !dumpPackage.equals(br.callerPackage)) {
+                        continue;
+                    }
+                    if (!printed) {
+                        if (needSep) {
+                            pw.println();
+                        }
+                        needSep = true;
+                        pw.println("  Active ordered broadcasts [" + mQueueName + "]:");
+                    }
+                    pw.println("  Ordered Broadcast #" + i + ":");
+                    mOrderedBroadcasts.get(i).dump(pw, "    ");
+                }
+                if (dumpPackage == null || (mPendingBroadcast != null
+                        && dumpPackage.equals(mPendingBroadcast.callerPackage))) {
+                    if (needSep) {
+                        pw.println();
+                    }
+                    pw.println("  Pending broadcast [" + mQueueName + "]:");
+                    if (mPendingBroadcast != null) {
+                        mPendingBroadcast.dump(pw, "    ");
+                    } else {
+                        pw.println("    (null)");
+                    }
+                    needSep = true;
+                }
+            }
+
+            boolean printed = false;
+            for (int i=0; i<MAX_BROADCAST_HISTORY; i++) {
+                BroadcastRecord r = mBroadcastHistory[i];
+                if (r == null) {
+                    break;
+                }
+                if (dumpPackage != null && !dumpPackage.equals(r.callerPackage)) {
+                    continue;
+                }
+                if (!printed) {
+                    if (needSep) {
+                        pw.println();
+                    }
+                    needSep = true;
+                    pw.println("  Historical broadcasts [" + mQueueName + "]:");
+                    printed = true;
+                }
+                if (dumpAll) {
+                    pw.print("  Historical Broadcast #"); pw.print(i); pw.println(":");
+                    r.dump(pw, "    ");
+                } else {
+                    if (i >= 50) {
+                        pw.println("  ...");
+                        break;
+                    }
+                    pw.print("  #"); pw.print(i); pw.print(": "); pw.println(r);
+                }
+            }
+
+            return needSep;
+        }
+    }
+
+    final BroadcastQueue mFgBroadcastQueue = new BroadcastQueue("foreground", BROADCAST_FG_TIMEOUT);
+    final BroadcastQueue mBgBroadcastQueue = new BroadcastQueue("background", BROADCAST_BG_TIMEOUT);
+    // Convenient for easy iteration over the queues. Foreground is first
+    // so that dispatch of foreground broadcasts gets precedence.
+    final BroadcastQueue[] mBroadcastQueues = { mFgBroadcastQueue, mBgBroadcastQueue };
+
+    BroadcastQueue broadcastQueueForIntent(Intent intent) {
+        final boolean isFg = (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0;
+        if (DEBUG_BACKGROUND_BROADCAST) {
+            Slog.i(TAG, "Broadcast intent " + intent + " on "
+                    + (isFg ? "foreground" : "background")
+                    + " queue");
+        }
+        return (isFg) ? mFgBroadcastQueue : mBgBroadcastQueue;
+    }
+
+    BroadcastRecord broadcastRecordForReceiverLocked(IBinder receiver) {
+        for (BroadcastQueue queue : mBroadcastQueues) {
+            BroadcastRecord r = queue.getMatchingOrderedReceiver(receiver);
+            if (r != null) {
+                return r;
+            }
+        }
+        return null;
+    }
 
     /**
      * Activity we have told the window manager to have key focus.
@@ -456,25 +1248,6 @@
     private final StringBuilder mStrictModeBuffer = new StringBuilder();
 
     /**
-     * True if we have a pending unexpired BROADCAST_TIMEOUT_MSG posted to our handler.
-     */
-    private boolean mPendingBroadcastTimeoutMessage;
-
-    /**
-     * Intent broadcast that we have tried to start, but are
-     * waiting for its application's process to be created.  We only
-     * need one (instead of a list) because we always process broadcasts
-     * one at a time, so no others can be started while waiting for this
-     * one.
-     */
-    BroadcastRecord mPendingBroadcast = null;
-
-    /**
-     * The receiver index that is pending, to restart the broadcast if needed.
-     */
-    int mPendingBroadcastRecvIndex;
-
-    /**
      * Keeps track of all IIntentReceivers that have been registered for
      * broadcasts.  Hash keys are the receiver IBinder, hash value is
      * a ReceiverList.
@@ -910,7 +1683,8 @@
                     
                     Intent intent = new Intent("android.intent.action.ANR");
                     if (!mProcessesReady) {
-                        intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
+                        intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
+                                | Intent.FLAG_RECEIVER_FOREGROUND);
                     }
                     broadcastIntentLocked(null, null, intent,
                             null, null, 0, null, null, null,
@@ -987,11 +1761,13 @@
             case BROADCAST_INTENT_MSG: {
                 if (DEBUG_BROADCAST) Slog.v(
                         TAG, "Received BROADCAST_INTENT_MSG");
-                processNextBroadcast(true);
+                BroadcastQueue queue = (BroadcastQueue) msg.obj;
+                queue.processNextBroadcast(true);
             } break;
             case BROADCAST_TIMEOUT_MSG: {
+                final BroadcastQueue queue = (BroadcastQueue) msg.obj;
                 synchronized (ActivityManagerService.this) {
-                    broadcastTimeoutLocked(true);
+                    queue.broadcastTimeoutLocked(true);
                 }
             } break;
             case SERVICE_TIMEOUT_MSG: {
@@ -3708,12 +4484,9 @@
                     // Can't happen; the backup manager is local
                 }
             }
-            if (mPendingBroadcast != null && mPendingBroadcast.curApp.pid == pid) {
+            if (isPendingBroadcastProcessLocked(pid)) {
                 Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping");
-                mPendingBroadcast.state = BroadcastRecord.IDLE;
-                mPendingBroadcast.nextReceiver = mPendingBroadcastRecvIndex;
-                mPendingBroadcast = null;
-                scheduleBroadcastsLocked();
+                skipPendingBroadcastLocked(pid);
             }
         } else {
             Slog.w(TAG, "Spurious process start timeout - pid not known for " + app);
@@ -3912,23 +4685,13 @@
             }
         }
 
-        // Check if the next broadcast receiver is in this process...
-        BroadcastRecord br = mPendingBroadcast;
-        if (!badApp && br != null && br.curApp == app) {
+        // Check if a next-broadcast receiver is in this process...
+        if (!badApp && isPendingBroadcastProcessLocked(pid)) {
             try {
-                mPendingBroadcast = null;
-                processCurBroadcastLocked(br, app);
-                didSomething = true;
+                didSomething = sendPendingBroadcastsLocked(app);
             } catch (Exception e) {
-                Slog.w(TAG, "Exception in new application when starting receiver "
-                      + br.curComponent.flattenToShortString(), e);
+                // If the app died trying to launch the receiver we declare it 'bad'
                 badApp = true;
-                logBroadcastReceiverDiscardLocked(br);
-                finishReceiverLocked(br.receiver, br.resultCode, br.resultData,
-                        br.resultExtras, br.resultAbort, true);
-                scheduleBroadcastsLocked();
-                // We need to reset the state if we fails to start the receiver.
-                br.state = BroadcastRecord.IDLE;
             }
         }
 
@@ -7227,28 +7990,8 @@
     }
 
     void skipCurrentReceiverLocked(ProcessRecord app) {
-        boolean reschedule = false;
-        BroadcastRecord r = app.curReceiver;
-        if (r != null) {
-            // The current broadcast is waiting for this app's receiver
-            // to be finished.  Looks like that's not going to happen, so
-            // let the broadcast continue.
-            logBroadcastReceiverDiscardLocked(r);
-            finishReceiverLocked(r.receiver, r.resultCode, r.resultData,
-                    r.resultExtras, r.resultAbort, true);
-            reschedule = true;
-        }
-        r = mPendingBroadcast;
-        if (r != null && r.curApp == app) {
-            if (DEBUG_BROADCAST) Slog.v(TAG,
-                    "skip & discard pending app " + r);
-            logBroadcastReceiverDiscardLocked(r);
-            finishReceiverLocked(r.receiver, r.resultCode, r.resultData,
-                    r.resultExtras, r.resultAbort, true);
-            reschedule = true;
-        }
-        if (reschedule) {
-            scheduleBroadcastsLocked();
+        for (BroadcastQueue queue : mBroadcastQueues) {
+            queue.skipCurrentReceiverLocked(app);
         }
     }
 
@@ -8971,84 +9714,11 @@
                 needSep = true;
             }
         }
-        
-        if (mParallelBroadcasts.size() > 0 || mOrderedBroadcasts.size() > 0
-                || mPendingBroadcast != null) {
-            boolean printed = false;
-            for (int i=mParallelBroadcasts.size()-1; i>=0; i--) {
-                BroadcastRecord br = mParallelBroadcasts.get(i);
-                if (dumpPackage != null && !dumpPackage.equals(br.callerPackage)) {
-                    continue;
-                }
-                if (!printed) {
-                    if (needSep) {
-                        pw.println();
-                    }
-                    needSep = true;
-                    pw.println("  Active broadcasts:");
-                }
-                pw.println("  Broadcast #" + i + ":");
-                br.dump(pw, "    ");
-            }
-            printed = false;
-            for (int i=mOrderedBroadcasts.size()-1; i>=0; i--) {
-                BroadcastRecord br = mOrderedBroadcasts.get(i);
-                if (dumpPackage != null && !dumpPackage.equals(br.callerPackage)) {
-                    continue;
-                }
-                if (!printed) {
-                    if (needSep) {
-                        pw.println();
-                    }
-                    needSep = true;
-                    pw.println("  Active ordered broadcasts:");
-                }
-                pw.println("  Ordered Broadcast #" + i + ":");
-                mOrderedBroadcasts.get(i).dump(pw, "    ");
-            }
-            if (dumpPackage == null || (mPendingBroadcast != null
-                    && dumpPackage.equals(mPendingBroadcast.callerPackage))) {
-                if (needSep) {
-                    pw.println();
-                }
-                pw.println("  Pending broadcast:");
-                if (mPendingBroadcast != null) {
-                    mPendingBroadcast.dump(pw, "    ");
-                } else {
-                    pw.println("    (null)");
-                }
-                needSep = true;
-            }
+
+        for (BroadcastQueue q : mBroadcastQueues) {
+            needSep = q.dumpLocked(fd, pw, args, opti, dumpAll, dumpPackage, needSep);
         }
 
-        boolean printed = false;
-        for (int i=0; i<MAX_BROADCAST_HISTORY; i++) {
-            BroadcastRecord r = mBroadcastHistory[i];
-            if (r == null) {
-                break;
-            }
-            if (dumpPackage != null && !dumpPackage.equals(r.callerPackage)) {
-                continue;
-            }
-            if (!printed) {
-                if (needSep) {
-                    pw.println();
-                }
-                needSep = true;
-                pw.println("  Historical broadcasts:");
-                printed = true;
-            }
-            if (dumpAll) {
-                pw.print("  Historical Broadcast #"); pw.print(i); pw.println(":");
-                r.dump(pw, "    ");
-            } else {
-                if (i >= 50) {
-                    pw.println("  ...");
-                    break;
-                }
-                pw.print("  #"); pw.print(i); pw.print(": "); pw.println(r);
-            }
-        }
         needSep = true;
         
         if (mStickyBroadcasts != null && dumpPackage == null) {
@@ -9085,7 +9755,10 @@
         
         if (dumpAll) {
             pw.println();
-            pw.println("  mBroadcastsScheduled=" + mBroadcastsScheduled);
+            for (BroadcastQueue queue : mBroadcastQueues) {
+                pw.println("  mBroadcastsScheduled [" + queue.mQueueName + "]="
+                        + queue.mBroadcastsScheduled);
+            }
             pw.println("  mHandler:");
             mHandler.dump(new PrintWriterPrinter(pw), "    ");
             needSep = true;
@@ -12072,15 +12745,25 @@
         return cur;
     }
 
-    private final void scheduleBroadcastsLocked() {
-        if (DEBUG_BROADCAST) Slog.v(TAG, "Schedule broadcasts: current="
-                + mBroadcastsScheduled);
+    boolean isPendingBroadcastProcessLocked(int pid) {
+        return mFgBroadcastQueue.isPendingBroadcastProcessLocked(pid)
+                || mBgBroadcastQueue.isPendingBroadcastProcessLocked(pid);
+    }
 
-        if (mBroadcastsScheduled) {
-            return;
+    void skipPendingBroadcastLocked(int pid) {
+            Slog.w(TAG, "Unattached app died before broadcast acknowledged, skipping");
+            for (BroadcastQueue queue : mBroadcastQueues) {
+                queue.skipPendingBroadcastLocked(pid);
+            }
+    }
+
+    // The app just attached; send any pending broadcasts that it should receive
+    boolean sendPendingBroadcastsLocked(ProcessRecord app) {
+        boolean didSomething = false;
+        for (BroadcastQueue queue : mBroadcastQueues) {
+            didSomething |= queue.sendPendingBroadcastsLocked(app);
         }
-        mHandler.sendEmptyMessage(BROADCAST_INTENT_MSG);
-        mBroadcastsScheduled = true;
+        return didSomething;
     }
 
     public Intent registerReceiver(IApplicationThread caller, String callerPackage,
@@ -12162,13 +12845,12 @@
                 int N = allSticky.size();
                 for (int i=0; i<N; i++) {
                     Intent intent = (Intent)allSticky.get(i);
-                    BroadcastRecord r = new BroadcastRecord(intent, null,
+                    BroadcastQueue queue = broadcastQueueForIntent(intent);
+                    BroadcastRecord r = new BroadcastRecord(queue, intent, null,
                             null, -1, -1, null, receivers, null, 0, null, null,
                             false, true, true);
-                    if (mParallelBroadcasts.size() == 0) {
-                        scheduleBroadcastsLocked();
-                    }
-                    mParallelBroadcasts.add(r);
+                    queue.enqueueParallelBroadcastLocked(r);
+                    queue.scheduleBroadcastsLocked();
                 }
             }
 
@@ -12179,38 +12861,46 @@
     public void unregisterReceiver(IIntentReceiver receiver) {
         if (DEBUG_BROADCAST) Slog.v(TAG, "Unregister receiver: " + receiver);
 
-        boolean doNext = false;
+        final long origId = Binder.clearCallingIdentity();
+        try {
+            boolean doTrim = false;
 
-        synchronized(this) {
-            ReceiverList rl
+            synchronized(this) {
+                ReceiverList rl
                 = (ReceiverList)mRegisteredReceivers.get(receiver.asBinder());
-            if (rl != null) {
-                if (rl.curBroadcast != null) {
-                    BroadcastRecord r = rl.curBroadcast;
-                    doNext = finishReceiverLocked(
-                        receiver.asBinder(), r.resultCode, r.resultData,
-                        r.resultExtras, r.resultAbort, true);
-                }
+                if (rl != null) {
+                    if (rl.curBroadcast != null) {
+                        BroadcastRecord r = rl.curBroadcast;
+                        final boolean doNext = finishReceiverLocked(
+                                receiver.asBinder(), r.resultCode, r.resultData,
+                                r.resultExtras, r.resultAbort, true);
+                        if (doNext) {
+                            doTrim = true;
+                            r.queue.processNextBroadcast(false);
+                        }
+                    }
 
-                if (rl.app != null) {
-                    rl.app.receivers.remove(rl);
-                }
-                removeReceiverLocked(rl);
-                if (rl.linkedToDeath) {
-                    rl.linkedToDeath = false;
-                    rl.receiver.asBinder().unlinkToDeath(rl, 0);
+                    if (rl.app != null) {
+                        rl.app.receivers.remove(rl);
+                    }
+                    removeReceiverLocked(rl);
+                    if (rl.linkedToDeath) {
+                        rl.linkedToDeath = false;
+                        rl.receiver.asBinder().unlinkToDeath(rl, 0);
+                    }
                 }
             }
-        }
 
-        if (!doNext) {
-            return;
+            // If we actually concluded any broadcasts, we might now be able
+            // to trim the recipients' apps from our working set
+            if (doTrim) {
+                trimApplications();
+                return;
+            }
+
+        } finally {
+            Binder.restoreCallingIdentity(origId);
         }
-        
-        final long origId = Binder.clearCallingIdentity();
-        processNextBroadcast(false);
-        trimApplications();
-        Binder.restoreCallingIdentity(origId);
     }
 
     void removeReceiverLocked(ReceiverList rl) {
@@ -12440,28 +13130,17 @@
             // If we are not serializing this broadcast, then send the
             // registered receivers separately so they don't wait for the
             // components to be launched.
-            BroadcastRecord r = new BroadcastRecord(intent, callerApp,
+            final BroadcastQueue queue = broadcastQueueForIntent(intent);
+            BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp,
                     callerPackage, callingPid, callingUid, requiredPermission,
                     registeredReceivers, resultTo, resultCode, resultData, map,
                     ordered, sticky, false);
             if (DEBUG_BROADCAST) Slog.v(
-                    TAG, "Enqueueing parallel broadcast " + r
-                    + ": prev had " + mParallelBroadcasts.size());
-            boolean replaced = false;
-            if (replacePending) {
-                for (int i=mParallelBroadcasts.size()-1; i>=0; i--) {
-                    if (intent.filterEquals(mParallelBroadcasts.get(i).intent)) {
-                        if (DEBUG_BROADCAST) Slog.v(TAG,
-                                "***** DROPPING PARALLEL: " + intent);
-                        mParallelBroadcasts.set(i, r);
-                        replaced = true;
-                        break;
-                    }
-                }
-            }
+                    TAG, "Enqueueing parallel broadcast " + r);
+            final boolean replaced = replacePending && queue.replaceParallelBroadcastLocked(r);
             if (!replaced) {
-                mParallelBroadcasts.add(r);
-                scheduleBroadcastsLocked();
+                queue.enqueueParallelBroadcastLocked(r);
+                queue.scheduleBroadcastsLocked();
             }
             registeredReceivers = null;
             NR = 0;
@@ -12541,32 +13220,22 @@
 
         if ((receivers != null && receivers.size() > 0)
                 || resultTo != null) {
-            BroadcastRecord r = new BroadcastRecord(intent, callerApp,
+            BroadcastQueue queue = broadcastQueueForIntent(intent);
+            BroadcastRecord r = new BroadcastRecord(queue, intent, callerApp,
                     callerPackage, callingPid, callingUid, requiredPermission,
                     receivers, resultTo, resultCode, resultData, map, ordered,
                     sticky, false);
             if (DEBUG_BROADCAST) Slog.v(
                     TAG, "Enqueueing ordered broadcast " + r
-                    + ": prev had " + mOrderedBroadcasts.size());
+                    + ": prev had " + queue.mOrderedBroadcasts.size());
             if (DEBUG_BROADCAST) {
                 int seq = r.intent.getIntExtra("seq", -1);
                 Slog.i(TAG, "Enqueueing broadcast " + r.intent.getAction() + " seq=" + seq);
             }
-            boolean replaced = false;
-            if (replacePending) {
-                for (int i=mOrderedBroadcasts.size()-1; i>0; i--) {
-                    if (intent.filterEquals(mOrderedBroadcasts.get(i).intent)) {
-                        if (DEBUG_BROADCAST) Slog.v(TAG,
-                                "***** DROPPING ORDERED: " + intent);
-                        mOrderedBroadcasts.set(i, r);
-                        replaced = true;
-                        break;
-                    }
-                }
-            }
+            boolean replaced = replacePending && queue.replaceOrderedBroadcastLocked(r); 
             if (!replaced) {
-                mOrderedBroadcasts.add(r);
-                scheduleBroadcastsLocked();
+                queue.enqueueOrderedBroadcastLocked(r);
+                queue.scheduleBroadcastsLocked();
             }
         }
 
@@ -12673,54 +13342,14 @@
     private final boolean finishReceiverLocked(IBinder receiver, int resultCode,
             String resultData, Bundle resultExtras, boolean resultAbort,
             boolean explicit) {
-        if (mOrderedBroadcasts.size() == 0) {
-            if (explicit) {
-                Slog.w(TAG, "finishReceiver called but no pending broadcasts");
-            }
+        final BroadcastRecord r = broadcastRecordForReceiverLocked(receiver);
+        if (r == null) {
+            Slog.w(TAG, "finishReceiver called but not found on queue");
             return false;
         }
-        BroadcastRecord r = mOrderedBroadcasts.get(0);
-        if (r.receiver == null) {
-            if (explicit) {
-                Slog.w(TAG, "finishReceiver called but none active");
-            }
-            return false;
-        }
-        if (r.receiver != receiver) {
-            Slog.w(TAG, "finishReceiver called but active receiver is different");
-            return false;
-        }
-        int state = r.state;
-        r.state = BroadcastRecord.IDLE;
-        if (state == BroadcastRecord.IDLE) {
-            if (explicit) {
-                Slog.w(TAG, "finishReceiver called but state is IDLE");
-            }
-        }
-        r.receiver = null;
-        r.intent.setComponent(null);
-        if (r.curApp != null) {
-            r.curApp.curReceiver = null;
-        }
-        if (r.curFilter != null) {
-            r.curFilter.receiverList.curBroadcast = null;
-        }
-        r.curFilter = null;
-        r.curApp = null;
-        r.curComponent = null;
-        r.curReceiver = null;
-        mPendingBroadcast = null;
 
-        r.resultCode = resultCode;
-        r.resultData = resultData;
-        r.resultExtras = resultExtras;
-        r.resultAbort = resultAbort;
-
-        // We will process the next receiver right now if this is finishing
-        // an app receiver (which is always asynchronous) or after we have
-        // come back from calling a receiver.
-        return state == BroadcastRecord.APP_RECEIVE
-                || state == BroadcastRecord.CALL_DONE_RECEIVE;
+        return r.queue.finishReceiverLocked(r, resultCode, resultData, resultExtras, resultAbort,
+                explicit);
     }
 
     public void finishReceiver(IBinder who, int resultCode, String resultData,
@@ -12732,153 +13361,25 @@
             throw new IllegalArgumentException("File descriptors passed in Bundle");
         }
 
-        boolean doNext;
-
         final long origId = Binder.clearCallingIdentity();
+        try {
+            boolean doNext = false;
+            BroadcastRecord r = null;
 
-        synchronized(this) {
-            doNext = finishReceiverLocked(
-                who, resultCode, resultData, resultExtras, resultAbort, true);
-        }
-
-        if (doNext) {
-            processNextBroadcast(false);
-        }
-        trimApplications();
-
-        Binder.restoreCallingIdentity(origId);
-    }
-
-    private final void logBroadcastReceiverDiscardLocked(BroadcastRecord r) {
-        if (r.nextReceiver > 0) {
-            Object curReceiver = r.receivers.get(r.nextReceiver-1);
-            if (curReceiver instanceof BroadcastFilter) {
-                BroadcastFilter bf = (BroadcastFilter) curReceiver;
-                EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_FILTER,
-                        System.identityHashCode(r),
-                        r.intent.getAction(),
-                        r.nextReceiver - 1,
-                        System.identityHashCode(bf));
-            } else {
-                EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_APP,
-                        System.identityHashCode(r),
-                        r.intent.getAction(),
-                        r.nextReceiver - 1,
-                        ((ResolveInfo)curReceiver).toString());
-            }
-        } else {
-            Slog.w(TAG, "Discarding broadcast before first receiver is invoked: "
-                    + r);
-            EventLog.writeEvent(EventLogTags.AM_BROADCAST_DISCARD_APP,
-                    System.identityHashCode(r),
-                    r.intent.getAction(),
-                    r.nextReceiver,
-                    "NONE");
-        }
-    }
-
-    private final void setBroadcastTimeoutLocked(long timeoutTime) {
-        if (! mPendingBroadcastTimeoutMessage) {
-            Message msg = mHandler.obtainMessage(BROADCAST_TIMEOUT_MSG);
-            mHandler.sendMessageAtTime(msg, timeoutTime);
-            mPendingBroadcastTimeoutMessage = true;
-        }
-    }
-
-    private final void cancelBroadcastTimeoutLocked() {
-        if (mPendingBroadcastTimeoutMessage) {
-            mHandler.removeMessages(BROADCAST_TIMEOUT_MSG);
-            mPendingBroadcastTimeoutMessage = false;
-        }
-    }
-
-    private final void broadcastTimeoutLocked(boolean fromMsg) {
-        if (fromMsg) {
-            mPendingBroadcastTimeoutMessage = false;
-        }
-
-        if (mOrderedBroadcasts.size() == 0) {
-            return;
-        }
-
-        long now = SystemClock.uptimeMillis();
-        BroadcastRecord r = mOrderedBroadcasts.get(0);
-        if (fromMsg) {
-            if (mDidDexOpt) {
-                // Delay timeouts until dexopt finishes.
-                mDidDexOpt = false;
-                long timeoutTime = SystemClock.uptimeMillis() + BROADCAST_TIMEOUT;
-                setBroadcastTimeoutLocked(timeoutTime);
-                return;
-            }
-            if (! mProcessesReady) {
-                // Only process broadcast timeouts if the system is ready. That way
-                // PRE_BOOT_COMPLETED broadcasts can't timeout as they are intended
-                // to do heavy lifting for system up.
-                return;
-            }
-
-            long timeoutTime = r.receiverTime + BROADCAST_TIMEOUT;
-            if (timeoutTime > now) {
-                // We can observe premature timeouts because we do not cancel and reset the
-                // broadcast timeout message after each receiver finishes.  Instead, we set up
-                // an initial timeout then kick it down the road a little further as needed
-                // when it expires.
-                if (DEBUG_BROADCAST) Slog.v(TAG,
-                        "Premature timeout @ " + now + ": resetting BROADCAST_TIMEOUT_MSG for "
-                        + timeoutTime);
-                setBroadcastTimeoutLocked(timeoutTime);
-                return;
-            }
-        }
-
-        Slog.w(TAG, "Timeout of broadcast " + r + " - receiver=" + r.receiver
-                + ", started " + (now - r.receiverTime) + "ms ago");
-        r.receiverTime = now;
-        r.anrCount++;
-
-        // Current receiver has passed its expiration date.
-        if (r.nextReceiver <= 0) {
-            Slog.w(TAG, "Timeout on receiver with nextReceiver <= 0");
-            return;
-        }
-
-        ProcessRecord app = null;
-        String anrMessage = null;
-
-        Object curReceiver = r.receivers.get(r.nextReceiver-1);
-        Slog.w(TAG, "Receiver during timeout: " + curReceiver);
-        logBroadcastReceiverDiscardLocked(r);
-        if (curReceiver instanceof BroadcastFilter) {
-            BroadcastFilter bf = (BroadcastFilter)curReceiver;
-            if (bf.receiverList.pid != 0
-                    && bf.receiverList.pid != MY_PID) {
-                synchronized (this.mPidsSelfLocked) {
-                    app = this.mPidsSelfLocked.get(
-                            bf.receiverList.pid);
+            synchronized(this) {
+                r = broadcastRecordForReceiverLocked(who);
+                if (r != null) {
+                    doNext = r.queue.finishReceiverLocked(r, resultCode,
+                        resultData, resultExtras, resultAbort, true);
                 }
             }
-        } else {
-            app = r.curApp;
-        }
-        
-        if (app != null) {
-            anrMessage = "Broadcast of " + r.intent.toString();
-        }
 
-        if (mPendingBroadcast == r) {
-            mPendingBroadcast = null;
-        }
-
-        // Move on to the next receiver.
-        finishReceiverLocked(r.receiver, r.resultCode, r.resultData,
-                r.resultExtras, r.resultAbort, true);
-        scheduleBroadcastsLocked();
-
-        if (anrMessage != null) {
-            // Post the ANR to the handler since we do not want to process ANRs while
-            // potentially holding our lock.
-            mHandler.post(new AppNotResponding(app, anrMessage));
+            if (doNext) {
+                r.queue.processNextBroadcast(false);
+            }
+            trimApplications();
+        } finally {
+            Binder.restoreCallingIdentity(origId);
         }
     }
 
@@ -13013,333 +13514,6 @@
         }
     }
 
-    private final void addBroadcastToHistoryLocked(BroadcastRecord r) {
-        if (r.callingUid < 0) {
-            // This was from a registerReceiver() call; ignore it.
-            return;
-        }
-        System.arraycopy(mBroadcastHistory, 0, mBroadcastHistory, 1,
-                MAX_BROADCAST_HISTORY-1);
-        r.finishTime = SystemClock.uptimeMillis();
-        mBroadcastHistory[0] = r;
-    }
-    
-    private final void processNextBroadcast(boolean fromMsg) {
-        synchronized(this) {
-            BroadcastRecord r;
-
-            if (DEBUG_BROADCAST) Slog.v(TAG, "processNextBroadcast: "
-                    + mParallelBroadcasts.size() + " broadcasts, "
-                    + mOrderedBroadcasts.size() + " ordered broadcasts");
-
-            updateCpuStats();
-            
-            if (fromMsg) {
-                mBroadcastsScheduled = false;
-            }
-
-            // First, deliver any non-serialized broadcasts right away.
-            while (mParallelBroadcasts.size() > 0) {
-                r = mParallelBroadcasts.remove(0);
-                r.dispatchTime = SystemClock.uptimeMillis();
-                r.dispatchClockTime = System.currentTimeMillis();
-                final int N = r.receivers.size();
-                if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Processing parallel broadcast "
-                        + r);
-                for (int i=0; i<N; i++) {
-                    Object target = r.receivers.get(i);
-                    if (DEBUG_BROADCAST)  Slog.v(TAG,
-                            "Delivering non-ordered to registered "
-                            + target + ": " + r);
-                    deliverToRegisteredReceiverLocked(r, (BroadcastFilter)target, false);
-                }
-                addBroadcastToHistoryLocked(r);
-                if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Done with parallel broadcast "
-                        + r);
-            }
-
-            // Now take care of the next serialized one...
-
-            // If we are waiting for a process to come up to handle the next
-            // broadcast, then do nothing at this point.  Just in case, we
-            // check that the process we're waiting for still exists.
-            if (mPendingBroadcast != null) {
-                if (DEBUG_BROADCAST_LIGHT) {
-                    Slog.v(TAG, "processNextBroadcast: waiting for "
-                            + mPendingBroadcast.curApp);
-                }
-
-                boolean isDead;
-                synchronized (mPidsSelfLocked) {
-                    isDead = (mPidsSelfLocked.get(mPendingBroadcast.curApp.pid) == null);
-                }
-                if (!isDead) {
-                    // It's still alive, so keep waiting
-                    return;
-                } else {
-                    Slog.w(TAG, "pending app " + mPendingBroadcast.curApp
-                            + " died before responding to broadcast");
-                    mPendingBroadcast.state = BroadcastRecord.IDLE;
-                    mPendingBroadcast.nextReceiver = mPendingBroadcastRecvIndex;
-                    mPendingBroadcast = null;
-                }
-            }
-
-            boolean looped = false;
-            
-            do {
-                if (mOrderedBroadcasts.size() == 0) {
-                    // No more broadcasts pending, so all done!
-                    scheduleAppGcsLocked();
-                    if (looped) {
-                        // If we had finished the last ordered broadcast, then
-                        // make sure all processes have correct oom and sched
-                        // adjustments.
-                        updateOomAdjLocked();
-                    }
-                    return;
-                }
-                r = mOrderedBroadcasts.get(0);
-                boolean forceReceive = false;
-
-                // Ensure that even if something goes awry with the timeout
-                // detection, we catch "hung" broadcasts here, discard them,
-                // and continue to make progress.
-                //
-                // This is only done if the system is ready so that PRE_BOOT_COMPLETED
-                // receivers don't get executed with timeouts. They're intended for
-                // one time heavy lifting after system upgrades and can take
-                // significant amounts of time.
-                int numReceivers = (r.receivers != null) ? r.receivers.size() : 0;
-                if (mProcessesReady && r.dispatchTime > 0) {
-                    long now = SystemClock.uptimeMillis();
-                    if ((numReceivers > 0) &&
-                            (now > r.dispatchTime + (2*BROADCAST_TIMEOUT*numReceivers))) {
-                        Slog.w(TAG, "Hung broadcast discarded after timeout failure:"
-                                + " now=" + now
-                                + " dispatchTime=" + r.dispatchTime
-                                + " startTime=" + r.receiverTime
-                                + " intent=" + r.intent
-                                + " numReceivers=" + numReceivers
-                                + " nextReceiver=" + r.nextReceiver
-                                + " state=" + r.state);
-                        broadcastTimeoutLocked(false); // forcibly finish this broadcast
-                        forceReceive = true;
-                        r.state = BroadcastRecord.IDLE;
-                    }
-                }
-
-                if (r.state != BroadcastRecord.IDLE) {
-                    if (DEBUG_BROADCAST) Slog.d(TAG,
-                            "processNextBroadcast() called when not idle (state="
-                            + r.state + ")");
-                    return;
-                }
-
-                if (r.receivers == null || r.nextReceiver >= numReceivers
-                        || r.resultAbort || forceReceive) {
-                    // No more receivers for this broadcast!  Send the final
-                    // result if requested...
-                    if (r.resultTo != null) {
-                        try {
-                            if (DEBUG_BROADCAST) {
-                                int seq = r.intent.getIntExtra("seq", -1);
-                                Slog.i(TAG, "Finishing broadcast " + r.intent.getAction()
-                                        + " seq=" + seq + " app=" + r.callerApp);
-                            }
-                            performReceiveLocked(r.callerApp, r.resultTo,
-                                new Intent(r.intent), r.resultCode,
-                                r.resultData, r.resultExtras, false, false);
-                            // Set this to null so that the reference
-                            // (local and remote) isnt kept in the mBroadcastHistory.
-                            r.resultTo = null;
-                        } catch (RemoteException e) {
-                            Slog.w(TAG, "Failure sending broadcast result of " + r.intent, e);
-                        }
-                    }
-                    
-                    if (DEBUG_BROADCAST) Slog.v(TAG, "Cancelling BROADCAST_TIMEOUT_MSG");
-                    cancelBroadcastTimeoutLocked();
-
-                    if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Finished with ordered broadcast "
-                            + r);
-                    
-                    // ... and on to the next...
-                    addBroadcastToHistoryLocked(r);
-                    mOrderedBroadcasts.remove(0);
-                    r = null;
-                    looped = true;
-                    continue;
-                }
-            } while (r == null);
-
-            // Get the next receiver...
-            int recIdx = r.nextReceiver++;
-
-            // Keep track of when this receiver started, and make sure there
-            // is a timeout message pending to kill it if need be.
-            r.receiverTime = SystemClock.uptimeMillis();
-            if (recIdx == 0) {
-                r.dispatchTime = r.receiverTime;
-                r.dispatchClockTime = System.currentTimeMillis();
-                if (DEBUG_BROADCAST_LIGHT) Slog.v(TAG, "Processing ordered broadcast "
-                        + r);
-            }
-            if (! mPendingBroadcastTimeoutMessage) {
-                long timeoutTime = r.receiverTime + BROADCAST_TIMEOUT;
-                if (DEBUG_BROADCAST) Slog.v(TAG,
-                        "Submitting BROADCAST_TIMEOUT_MSG for " + r + " at " + timeoutTime);
-                setBroadcastTimeoutLocked(timeoutTime);
-            }
-
-            Object nextReceiver = r.receivers.get(recIdx);
-            if (nextReceiver instanceof BroadcastFilter) {
-                // Simple case: this is a registered receiver who gets
-                // a direct call.
-                BroadcastFilter filter = (BroadcastFilter)nextReceiver;
-                if (DEBUG_BROADCAST)  Slog.v(TAG,
-                        "Delivering ordered to registered "
-                        + filter + ": " + r);
-                deliverToRegisteredReceiverLocked(r, filter, r.ordered);
-                if (r.receiver == null || !r.ordered) {
-                    // The receiver has already finished, so schedule to
-                    // process the next one.
-                    if (DEBUG_BROADCAST) Slog.v(TAG, "Quick finishing: ordered="
-                            + r.ordered + " receiver=" + r.receiver);
-                    r.state = BroadcastRecord.IDLE;
-                    scheduleBroadcastsLocked();
-                }
-                return;
-            }
-
-            // Hard case: need to instantiate the receiver, possibly
-            // starting its application process to host it.
-
-            ResolveInfo info =
-                (ResolveInfo)nextReceiver;
-
-            boolean skip = false;
-            int perm = checkComponentPermission(info.activityInfo.permission,
-                    r.callingPid, r.callingUid, info.activityInfo.applicationInfo.uid,
-                    info.activityInfo.exported);
-            if (perm != PackageManager.PERMISSION_GRANTED) {
-                if (!info.activityInfo.exported) {
-                    Slog.w(TAG, "Permission Denial: broadcasting "
-                            + r.intent.toString()
-                            + " from " + r.callerPackage + " (pid=" + r.callingPid
-                            + ", uid=" + r.callingUid + ")"
-                            + " is not exported from uid " + info.activityInfo.applicationInfo.uid
-                            + " due to receiver " + info.activityInfo.packageName
-                            + "/" + info.activityInfo.name);
-                } else {
-                    Slog.w(TAG, "Permission Denial: broadcasting "
-                            + r.intent.toString()
-                            + " from " + r.callerPackage + " (pid=" + r.callingPid
-                            + ", uid=" + r.callingUid + ")"
-                            + " requires " + info.activityInfo.permission
-                            + " due to receiver " + info.activityInfo.packageName
-                            + "/" + info.activityInfo.name);
-                }
-                skip = true;
-            }
-            if (info.activityInfo.applicationInfo.uid != Process.SYSTEM_UID &&
-                r.requiredPermission != null) {
-                try {
-                    perm = AppGlobals.getPackageManager().
-                            checkPermission(r.requiredPermission,
-                                    info.activityInfo.applicationInfo.packageName);
-                } catch (RemoteException e) {
-                    perm = PackageManager.PERMISSION_DENIED;
-                }
-                if (perm != PackageManager.PERMISSION_GRANTED) {
-                    Slog.w(TAG, "Permission Denial: receiving "
-                            + r.intent + " to "
-                            + info.activityInfo.applicationInfo.packageName
-                            + " requires " + r.requiredPermission
-                            + " due to sender " + r.callerPackage
-                            + " (uid " + r.callingUid + ")");
-                    skip = true;
-                }
-            }
-            if (r.curApp != null && r.curApp.crashing) {
-                // If the target process is crashing, just skip it.
-                if (DEBUG_BROADCAST)  Slog.v(TAG,
-                        "Skipping deliver ordered " + r + " to " + r.curApp
-                        + ": process crashing");
-                skip = true;
-            }
-
-            if (skip) {
-                if (DEBUG_BROADCAST)  Slog.v(TAG,
-                        "Skipping delivery of ordered " + r + " for whatever reason");
-                r.receiver = null;
-                r.curFilter = null;
-                r.state = BroadcastRecord.IDLE;
-                scheduleBroadcastsLocked();
-                return;
-            }
-
-            r.state = BroadcastRecord.APP_RECEIVE;
-            String targetProcess = info.activityInfo.processName;
-            r.curComponent = new ComponentName(
-                    info.activityInfo.applicationInfo.packageName,
-                    info.activityInfo.name);
-            r.curReceiver = info.activityInfo;
-
-            // Broadcast is being executed, its package can't be stopped.
-            try {
-                AppGlobals.getPackageManager().setPackageStoppedState(
-                        r.curComponent.getPackageName(), false);
-            } catch (RemoteException e) {
-            } catch (IllegalArgumentException e) {
-                Slog.w(TAG, "Failed trying to unstop package "
-                        + r.curComponent.getPackageName() + ": " + e);
-            }
-
-            // Is this receiver's application already running?
-            ProcessRecord app = getProcessRecordLocked(targetProcess,
-                    info.activityInfo.applicationInfo.uid);
-            if (app != null && app.thread != null) {
-                try {
-                    app.addPackage(info.activityInfo.packageName);
-                    processCurBroadcastLocked(r, app);
-                    return;
-                } catch (RemoteException e) {
-                    Slog.w(TAG, "Exception when sending broadcast to "
-                          + r.curComponent, e);
-                }
-
-                // If a dead object exception was thrown -- fall through to
-                // restart the application.
-            }
-
-            // Not running -- get it started, to be executed when the app comes up.
-            if (DEBUG_BROADCAST)  Slog.v(TAG,
-                    "Need to start app " + targetProcess + " for broadcast " + r);
-            if ((r.curApp=startProcessLocked(targetProcess,
-                    info.activityInfo.applicationInfo, true,
-                    r.intent.getFlags() | Intent.FLAG_FROM_BACKGROUND,
-                    "broadcast", r.curComponent,
-                    (r.intent.getFlags()&Intent.FLAG_RECEIVER_BOOT_UPGRADE) != 0))
-                            == null) {
-                // Ah, this recipient is unavailable.  Finish it if necessary,
-                // and mark the broadcast record as ready for the next.
-                Slog.w(TAG, "Unable to launch app "
-                        + info.activityInfo.applicationInfo.packageName + "/"
-                        + info.activityInfo.applicationInfo.uid + " for broadcast "
-                        + r.intent + ": process is bad");
-                logBroadcastReceiverDiscardLocked(r);
-                finishReceiverLocked(r.receiver, r.resultCode, r.resultData,
-                        r.resultExtras, r.resultAbort, true);
-                scheduleBroadcastsLocked();
-                r.state = BroadcastRecord.IDLE;
-                return;
-            }
-
-            mPendingBroadcast = r;
-            mPendingBroadcastRecvIndex = recIdx;
-        }
-    }
 
     // =========================================================
     // INSTRUMENTATION
@@ -13663,6 +13837,28 @@
     // LIFETIME MANAGEMENT
     // =========================================================
 
+    // Returns which broadcast queue the app is the current [or imminent] receiver
+    // on, or 'null' if the app is not an active broadcast recipient.
+    private BroadcastQueue isReceivingBroadcast(ProcessRecord app) {
+        BroadcastRecord r = app.curReceiver;
+        if (r != null) {
+            return r.queue;
+        }
+
+        // It's not the current receiver, but it might be starting up to become one
+        synchronized (this) {
+            for (BroadcastQueue queue : mBroadcastQueues) {
+                r = queue.mPendingBroadcast;
+                if (r != null && r.curApp == app) {
+                    // found it; report which queue it's in
+                    return queue;
+                }
+            }
+        }
+
+        return null;
+    }
+
     private final int computeOomAdjLocked(ProcessRecord app, int hiddenAdj,
             ProcessRecord TOP_APP, boolean recursed, boolean doingAll) {
         if (mAdjSeq == app.adjSeq) {
@@ -13728,6 +13924,7 @@
         // important to least, and assign an appropriate OOM adjustment.
         int adj;
         int schedGroup;
+        BroadcastQueue queue;
         if (app == TOP_APP) {
             // The last app on the list is the foreground app.
             adj = ProcessList.FOREGROUND_APP_ADJ;
@@ -13739,12 +13936,14 @@
             adj = ProcessList.FOREGROUND_APP_ADJ;
             schedGroup = Process.THREAD_GROUP_DEFAULT;
             app.adjType = "instrumentation";
-        } else if (app.curReceiver != null ||
-                (mPendingBroadcast != null && mPendingBroadcast.curApp == app)) {
+        } else if ((queue = isReceivingBroadcast(app)) != null) {
             // An app that is currently receiving a broadcast also
-            // counts as being in the foreground.
+            // counts as being in the foreground for OOM killer purposes.
+            // It's placed in a sched group based on the nature of the
+            // broadcast as reflected by which queue it's active in.
             adj = ProcessList.FOREGROUND_APP_ADJ;
-            schedGroup = Process.THREAD_GROUP_DEFAULT;
+            schedGroup = (queue == mFgBroadcastQueue)
+                    ? Process.THREAD_GROUP_DEFAULT : Process.THREAD_GROUP_BG_NONINTERACTIVE;
             app.adjType = "broadcast";
         } else if (app.executingServices.size() > 0) {
             // An app that is currently executing a service callback also
@@ -14185,8 +14384,13 @@
      * Returns true if things are idle enough to perform GCs.
      */
     private final boolean canGcNowLocked() {
-        return mParallelBroadcasts.size() == 0
-                && mOrderedBroadcasts.size() == 0
+        boolean processingBroadcasts = false;
+        for (BroadcastQueue q : mBroadcastQueues) {
+            if (q.mParallelBroadcasts.size() != 0 || q.mOrderedBroadcasts.size() != 0) {
+                processingBroadcasts = true;
+            }
+        }
+        return !processingBroadcasts
                 && (mSleeping || (mMainStack.mResumedActivity != null &&
                         mMainStack.mResumedActivity.idle));
     }
diff --git a/services/java/com/android/server/am/BroadcastRecord.java b/services/java/com/android/server/am/BroadcastRecord.java
index bcb0134..6738e4f 100644
--- a/services/java/com/android/server/am/BroadcastRecord.java
+++ b/services/java/com/android/server/am/BroadcastRecord.java
@@ -59,6 +59,7 @@
     IBinder receiver;       // who is currently running, null if none.
     int state;
     int anrCount;           // has this broadcast record hit any ANRs?
+    ActivityManagerService.BroadcastQueue queue;   // the outbound queue handling this broadcast
 
     static final int IDLE = 0;
     static final int APP_RECEIVE = 1;
@@ -161,11 +162,13 @@
         }
     }
 
-    BroadcastRecord(Intent _intent, ProcessRecord _callerApp, String _callerPackage,
+    BroadcastRecord(ActivityManagerService.BroadcastQueue _queue,
+            Intent _intent, ProcessRecord _callerApp, String _callerPackage,
             int _callingPid, int _callingUid, String _requiredPermission,
             List _receivers, IIntentReceiver _resultTo, int _resultCode,
             String _resultData, Bundle _resultExtras, boolean _serialized,
             boolean _sticky, boolean _initialSticky) {
+        queue = _queue;
         intent = _intent;
         callerApp = _callerApp;
         callerPackage = _callerPackage;
diff --git a/services/java/com/android/server/net/NetworkPolicyManagerService.java b/services/java/com/android/server/net/NetworkPolicyManagerService.java
index a71ccb5..5c9396f 100644
--- a/services/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -154,6 +154,7 @@
     private static final int VERSION_ADDED_SNOOZE = 2;
     private static final int VERSION_ADDED_RESTRICT_BACKGROUND = 3;
     private static final int VERSION_ADDED_METERED = 4;
+    private static final int VERSION_SPLIT_SNOOZE = 5;
 
     private static final long KB_IN_BYTES = 1024;
     private static final long MB_IN_BYTES = KB_IN_BYTES * 1024;
@@ -176,6 +177,8 @@
     private static final String ATTR_WARNING_BYTES = "warningBytes";
     private static final String ATTR_LIMIT_BYTES = "limitBytes";
     private static final String ATTR_LAST_SNOOZE = "lastSnooze";
+    private static final String ATTR_LAST_WARNING_SNOOZE = "lastWarningSnooze";
+    private static final String ATTR_LAST_LIMIT_SNOOZE = "lastLimitSnooze";
     private static final String ATTR_METERED = "metered";
     private static final String ATTR_UID = "uid";
     private static final String ATTR_POLICY = "policy";
@@ -184,7 +187,9 @@
 
     // @VisibleForTesting
     public static final String ACTION_ALLOW_BACKGROUND =
-            "com.android.server.action.ACTION_ALLOW_BACKGROUND";
+            "com.android.server.net.action.ALLOW_BACKGROUND";
+    public static final String ACTION_SNOOZE_WARNING =
+            "com.android.server.net.action.SNOOZE_WARNING";
 
     private static final long TIME_CACHE_MAX_AGE = DAY_IN_MILLIS;
 
@@ -333,6 +338,11 @@
         final IntentFilter allowFilter = new IntentFilter(ACTION_ALLOW_BACKGROUND);
         mContext.registerReceiver(mAllowReceiver, allowFilter, MANAGE_NETWORK_POLICY, mHandler);
 
+        // listen for snooze warning from notifications
+        final IntentFilter snoozeWarningFilter = new IntentFilter(ACTION_SNOOZE_WARNING);
+        mContext.registerReceiver(mSnoozeWarningReceiver, snoozeWarningFilter,
+                MANAGE_NETWORK_POLICY, mHandler);
+
     }
 
     private IProcessObserver mProcessObserver = new IProcessObserver.Stub() {
@@ -418,6 +428,21 @@
     };
 
     /**
+     * Receiver that watches for {@link Notification} control of
+     * {@link NetworkPolicy#lastWarningSnooze}.
+     */
+    private BroadcastReceiver mSnoozeWarningReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            // on background handler thread, and verified MANAGE_NETWORK_POLICY
+            // permission above.
+
+            final NetworkTemplate template = intent.getParcelableExtra(EXTRA_NETWORK_TEMPLATE);
+            performSnooze(template, TYPE_WARNING);
+        }
+    };
+
+    /**
      * Observer that watches for {@link INetworkManagementService} alerts.
      */
     private INetworkManagementEventObserver mAlertObserver = new NetworkAlertObserver() {
@@ -458,7 +483,7 @@
             final long totalBytes = getTotalBytes(policy.template, start, end);
 
             if (policy.isOverLimit(totalBytes)) {
-                if (policy.lastSnooze >= start) {
+                if (policy.lastLimitSnooze >= start) {
                     enqueueNotification(policy, TYPE_LIMIT_SNOOZED, totalBytes);
                 } else {
                     enqueueNotification(policy, TYPE_LIMIT, totalBytes);
@@ -468,7 +493,7 @@
             } else {
                 notifyUnderLimitLocked(policy.template);
 
-                if (policy.warningBytes != WARNING_DISABLED && totalBytes >= policy.warningBytes) {
+                if (policy.isOverWarning(totalBytes) && policy.lastWarningSnooze < start) {
                     enqueueNotification(policy, TYPE_WARNING, totalBytes);
                 }
             }
@@ -534,7 +559,7 @@
         final String tag = buildNotificationTag(policy, type);
         final Notification.Builder builder = new Notification.Builder(mContext);
         builder.setOnlyAlertOnce(true);
-        builder.setOngoing(true);
+        builder.setWhen(0L);
 
         final Resources res = mContext.getResources();
         switch (type) {
@@ -547,9 +572,14 @@
                 builder.setContentTitle(title);
                 builder.setContentText(body);
 
-                final Intent intent = buildViewDataUsageIntent(policy.template);
+                final Intent snoozeIntent = buildSnoozeWarningIntent(policy.template);
+                builder.setDeleteIntent(PendingIntent.getBroadcast(
+                        mContext, 0, snoozeIntent, PendingIntent.FLAG_UPDATE_CURRENT));
+
+                final Intent viewIntent = buildViewDataUsageIntent(policy.template);
                 builder.setContentIntent(PendingIntent.getActivity(
-                        mContext, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT));
+                        mContext, 0, viewIntent, PendingIntent.FLAG_UPDATE_CURRENT));
+
                 break;
             }
             case TYPE_LIMIT: {
@@ -574,6 +604,7 @@
                         break;
                 }
 
+                builder.setOngoing(true);
                 builder.setSmallIcon(R.drawable.stat_notify_disabled);
                 builder.setTicker(title);
                 builder.setContentTitle(title);
@@ -608,6 +639,7 @@
                         break;
                 }
 
+                builder.setOngoing(true);
                 builder.setSmallIcon(R.drawable.stat_notify_error);
                 builder.setTicker(title);
                 builder.setContentTitle(title);
@@ -720,10 +752,11 @@
             final long totalBytes = getTotalBytes(policy.template, start, end);
 
             // disable data connection when over limit and not snoozed
-            final boolean overLimit = policy.isOverLimit(totalBytes) && policy.lastSnooze < start;
-            final boolean enabled = !overLimit;
+            final boolean overLimitWithoutSnooze = policy.isOverLimit(totalBytes)
+                    && policy.lastLimitSnooze < start;
+            final boolean networkEnabled = !overLimitWithoutSnooze;
 
-            setNetworkTemplateEnabled(policy.template, enabled);
+            setNetworkTemplateEnabled(policy.template, networkEnabled);
         }
     }
 
@@ -827,7 +860,7 @@
                     // metered network, but no policy limit; we still need to
                     // restrict apps, so push really high quota.
                     quotaBytes = Long.MAX_VALUE;
-                } else if (policy.lastSnooze >= start) {
+                } else if (policy.lastLimitSnooze >= start) {
                     // snoozing past quota, but we still need to restrict apps,
                     // so push really high quota.
                     quotaBytes = Long.MAX_VALUE;
@@ -896,8 +929,8 @@
             final int cycleDay = time.monthDay;
 
             final NetworkTemplate template = buildTemplateMobileAll(subscriberId);
-            mNetworkPolicy.put(template, new NetworkPolicy(
-                    template, cycleDay, warningBytes, LIMIT_DISABLED, SNOOZE_NEVER, true));
+            mNetworkPolicy.put(template, new NetworkPolicy(template, cycleDay, warningBytes,
+                    LIMIT_DISABLED, SNOOZE_NEVER, SNOOZE_NEVER, true));
             writePolicyLocked();
         }
     }
@@ -935,11 +968,13 @@
                         final int cycleDay = readIntAttribute(in, ATTR_CYCLE_DAY);
                         final long warningBytes = readLongAttribute(in, ATTR_WARNING_BYTES);
                         final long limitBytes = readLongAttribute(in, ATTR_LIMIT_BYTES);
-                        final long lastSnooze;
-                        if (version >= VERSION_ADDED_SNOOZE) {
-                            lastSnooze = readLongAttribute(in, ATTR_LAST_SNOOZE);
+                        final long lastLimitSnooze;
+                        if (version >= VERSION_SPLIT_SNOOZE) {
+                            lastLimitSnooze = readLongAttribute(in, ATTR_LAST_LIMIT_SNOOZE);
+                        } else if (version >= VERSION_ADDED_SNOOZE) {
+                            lastLimitSnooze = readLongAttribute(in, ATTR_LAST_SNOOZE);
                         } else {
-                            lastSnooze = SNOOZE_NEVER;
+                            lastLimitSnooze = SNOOZE_NEVER;
                         }
                         final boolean metered;
                         if (version >= VERSION_ADDED_METERED) {
@@ -955,11 +990,18 @@
                                     metered = false;
                             }
                         }
+                        final long lastWarningSnooze;
+                        if (version >= VERSION_SPLIT_SNOOZE) {
+                            lastWarningSnooze = readLongAttribute(in, ATTR_LAST_WARNING_SNOOZE);
+                        } else {
+                            lastWarningSnooze = SNOOZE_NEVER;
+                        }
 
                         final NetworkTemplate template = new NetworkTemplate(
                                 networkTemplate, subscriberId);
-                        mNetworkPolicy.put(template, new NetworkPolicy(
-                                template, cycleDay, warningBytes, limitBytes, lastSnooze, metered));
+                        mNetworkPolicy.put(template, new NetworkPolicy(template, cycleDay,
+                                warningBytes, limitBytes, lastWarningSnooze, lastLimitSnooze,
+                                metered));
 
                     } else if (TAG_UID_POLICY.equals(tag)) {
                         final int uid = readIntAttribute(in, ATTR_UID);
@@ -1014,7 +1056,7 @@
             out.startDocument(null, true);
 
             out.startTag(null, TAG_POLICY_LIST);
-            writeIntAttribute(out, ATTR_VERSION, VERSION_ADDED_METERED);
+            writeIntAttribute(out, ATTR_VERSION, VERSION_SPLIT_SNOOZE);
             writeBooleanAttribute(out, ATTR_RESTRICT_BACKGROUND, mRestrictBackground);
 
             // write all known network policies
@@ -1030,7 +1072,8 @@
                 writeIntAttribute(out, ATTR_CYCLE_DAY, policy.cycleDay);
                 writeLongAttribute(out, ATTR_WARNING_BYTES, policy.warningBytes);
                 writeLongAttribute(out, ATTR_LIMIT_BYTES, policy.limitBytes);
-                writeLongAttribute(out, ATTR_LAST_SNOOZE, policy.lastSnooze);
+                writeLongAttribute(out, ATTR_LAST_WARNING_SNOOZE, policy.lastWarningSnooze);
+                writeLongAttribute(out, ATTR_LAST_LIMIT_SNOOZE, policy.lastLimitSnooze);
                 writeBooleanAttribute(out, ATTR_METERED, policy.metered);
                 out.endTag(null, TAG_NETWORK_POLICY);
             }
@@ -1141,9 +1184,12 @@
     }
 
     @Override
-    public void snoozePolicy(NetworkTemplate template) {
+    public void snoozeLimit(NetworkTemplate template) {
         mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
+        performSnooze(template, TYPE_LIMIT);
+    }
 
+    private void performSnooze(NetworkTemplate template, int type) {
         maybeRefreshTrustedTime();
         final long currentTime = currentTimeMillis();
         synchronized (mRulesLock) {
@@ -1153,7 +1199,16 @@
                 throw new IllegalArgumentException("unable to find policy for " + template);
             }
 
-            policy.lastSnooze = currentTime;
+            switch (type) {
+                case TYPE_WARNING:
+                    policy.lastWarningSnooze = currentTime;
+                    break;
+                case TYPE_LIMIT:
+                    policy.lastLimitSnooze = currentTime;
+                    break;
+                default:
+                    throw new IllegalArgumentException("unexpected type");
+            }
 
             updateNetworkEnabledLocked();
             updateNetworkRulesLocked();
@@ -1246,12 +1301,17 @@
         }
 
         synchronized (mRulesLock) {
-            if (argSet.contains("unsnooze")) {
+            if (argSet.contains("--unsnooze")) {
                 for (NetworkPolicy policy : mNetworkPolicy.values()) {
-                    policy.lastSnooze = SNOOZE_NEVER;
+                    policy.clearSnooze();
                 }
+
+                updateNetworkEnabledLocked();
+                updateNetworkRulesLocked();
+                updateNotificationsLocked();
                 writePolicyLocked();
-                fout.println("Wiped snooze timestamps");
+
+                fout.println("Cleared snooze timestamps");
                 return;
             }
 
@@ -1599,6 +1659,12 @@
         return new Intent(ACTION_ALLOW_BACKGROUND);
     }
 
+    private static Intent buildSnoozeWarningIntent(NetworkTemplate template) {
+        final Intent intent = new Intent(ACTION_SNOOZE_WARNING);
+        intent.putExtra(EXTRA_NETWORK_TEMPLATE, template);
+        return intent;
+    }
+
     private static Intent buildNetworkOverLimitIntent(NetworkTemplate template) {
         final Intent intent = new Intent();
         intent.setComponent(new ComponentName(
diff --git a/services/java/com/android/server/net/NetworkStatsService.java b/services/java/com/android/server/net/NetworkStatsService.java
index 7930caf..414ed1e 100644
--- a/services/java/com/android/server/net/NetworkStatsService.java
+++ b/services/java/com/android/server/net/NetworkStatsService.java
@@ -121,6 +121,7 @@
 
     private static final int MSG_PERFORM_POLL = 1;
     private static final int MSG_UPDATE_IFACES = 2;
+    private static final int MSG_REGISTER_GLOBAL_ALERT = 3;
 
     /** Flags to control detail level of poll event. */
     private static final int FLAG_PERSIST_NETWORK = 0x1;
@@ -600,7 +601,7 @@
                 mHandler.obtainMessage(MSG_PERFORM_POLL, flags, 0).sendToTarget();
 
                 // re-arm global alert for next update
-                registerGlobalAlert();
+                mHandler.obtainMessage(MSG_REGISTER_GLOBAL_ALERT).sendToTarget();
             }
         }
     };
@@ -951,6 +952,10 @@
                     updateIfaces();
                     return true;
                 }
+                case MSG_REGISTER_GLOBAL_ALERT: {
+                    registerGlobalAlert();
+                    return true;
+                }
                 default: {
                     return false;
                 }
diff --git a/services/java/com/android/server/wm/WindowManagerService.java b/services/java/com/android/server/wm/WindowManagerService.java
index 19d94a1..620d74c 100644
--- a/services/java/com/android/server/wm/WindowManagerService.java
+++ b/services/java/com/android/server/wm/WindowManagerService.java
@@ -95,6 +95,7 @@
 import android.util.Slog;
 import android.util.SparseIntArray;
 import android.util.TypedValue;
+import android.view.Choreographer;
 import android.view.Display;
 import android.view.Gravity;
 import android.view.IApplicationToken;
@@ -141,7 +142,8 @@
 
 /** {@hide} */
 public class WindowManagerService extends IWindowManager.Stub
-        implements Watchdog.Monitor, WindowManagerPolicy.WindowManagerFuncs {
+        implements Watchdog.Monitor, WindowManagerPolicy.WindowManagerFuncs,
+        Choreographer.OnAnimateListener {
     static final String TAG = "WindowManager";
     static final boolean DEBUG = false;
     static final boolean DEBUG_ADD_REMOVE = false;
@@ -456,7 +458,7 @@
     int mDeferredRotationPauseCount;
 
     boolean mLayoutNeeded = true;
-    boolean mAnimationPending = false;
+    boolean mTraversalScheduled = false;
     boolean mDisplayFrozen = false;
     boolean mWaitingForConfig = false;
     boolean mWindowsFreezingScreen = false;
@@ -503,7 +505,9 @@
     final DisplayMetrics mTmpDisplayMetrics = new DisplayMetrics();
     final DisplayMetrics mCompatDisplayMetrics = new DisplayMetrics();
 
-    H mH = new H();
+    final H mH = new H();
+
+    final Choreographer mChoreographer = Choreographer.getInstance();
 
     WindowState mCurrentFocus = null;
     WindowState mLastFocus = null;
@@ -559,6 +563,7 @@
 
     float mWindowAnimationScale = 1.0f;
     float mTransitionAnimationScale = 1.0f;
+    float mAnimatorDurationScale = 1.0f;
 
     final InputManager mInputManager;
 
@@ -691,6 +696,7 @@
             Looper.prepare();
             WindowManagerService s = new WindowManagerService(mContext, mPM,
                     mHaveInputMethods, mAllowBootMessages);
+            s.mChoreographer.addOnAnimateListener(s);
             android.os.Process.setThreadPriority(
                     android.os.Process.THREAD_PRIORITY_DISPLAY);
             android.os.Process.setCanSelfBackground(false);
@@ -774,6 +780,8 @@
                 Settings.System.WINDOW_ANIMATION_SCALE, mWindowAnimationScale);
         mTransitionAnimationScale = Settings.System.getFloat(context.getContentResolver(),
                 Settings.System.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScale);
+        mAnimatorDurationScale = Settings.System.getFloat(context.getContentResolver(),
+                Settings.System.ANIMATOR_DURATION_SCALE, mTransitionAnimationScale);
 
         // Track changes to DevicePolicyManager state so we can enable/disable keyguard.
         IntentFilter filter = new IntentFilter();
@@ -4657,6 +4665,7 @@
         switch (which) {
             case 0: mWindowAnimationScale = fixScale(scale); break;
             case 1: mTransitionAnimationScale = fixScale(scale); break;
+            case 2: mAnimatorDurationScale = fixScale(scale); break;
         }
 
         // Persist setting
@@ -4676,6 +4685,9 @@
             if (scales.length >= 2) {
                 mTransitionAnimationScale = fixScale(scales[1]);
             }
+            if (scales.length >= 3) {
+                mAnimatorDurationScale = fixScale(scales[2]);
+            }
         }
 
         // Persist setting
@@ -4686,12 +4698,14 @@
         switch (which) {
             case 0: return mWindowAnimationScale;
             case 1: return mTransitionAnimationScale;
+            case 2: return mAnimatorDurationScale;
         }
         return 0;
     }
 
     public float[] getAnimationScales() {
-        return new float[] { mWindowAnimationScale, mTransitionAnimationScale };
+        return new float[] { mWindowAnimationScale, mTransitionAnimationScale,
+                mAnimatorDurationScale };
     }
 
     public int getSwitchState(int sw) {
@@ -5390,7 +5404,7 @@
                 if (mScreenRotationAnimation.setRotation(rotation, mFxSession,
                         MAX_ANIMATION_DURATION, mTransitionAnimationScale,
                         mCurDisplayWidth, mCurDisplayHeight)) {
-                    requestAnimationLocked(0);
+                    mChoreographer.scheduleAnimation();
                 }
             }
             Surface.setOrientation(0, rotation);
@@ -6513,7 +6527,7 @@
     final class H extends Handler {
         public static final int REPORT_FOCUS_CHANGE = 2;
         public static final int REPORT_LOSING_FOCUS = 3;
-        public static final int ANIMATE = 4;
+        public static final int DO_TRAVERSAL = 4;
         public static final int ADD_STARTING = 5;
         public static final int REMOVE_STARTING = 6;
         public static final int FINISHED_STARTING = 7;
@@ -6607,9 +6621,9 @@
                     }
                 } break;
 
-                case ANIMATE: {
+                case DO_TRAVERSAL: {
                     synchronized(mWindowMap) {
-                        mAnimationPending = false;
+                        mTraversalScheduled = false;
                         performLayoutAndPlaceSurfacesLocked();
                     }
                 } break;
@@ -6825,12 +6839,14 @@
                             Settings.System.WINDOW_ANIMATION_SCALE, mWindowAnimationScale);
                     Settings.System.putFloat(mContext.getContentResolver(),
                             Settings.System.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScale);
+                    Settings.System.putFloat(mContext.getContentResolver(),
+                            Settings.System.ANIMATOR_DURATION_SCALE, mAnimatorDurationScale);
                     break;
                 }
 
                 case FORCE_GC: {
                     synchronized(mWindowMap) {
-                        if (mAnimationPending) {
+                        if (mChoreographer.isAnimationScheduled()) {
                             // If we are animating, don't do the gc now but
                             // delay a bit so we don't interrupt the animation.
                             mH.sendMessageDelayed(mH.obtainMessage(H.FORCE_GC),
@@ -7389,7 +7405,7 @@
             } else {
                 mInLayout = false;
                 if (mLayoutNeeded) {
-                    requestAnimationLocked(0);
+                    requestTraversalLocked();
                 }
             }
             if (mWindowsChanged && !mWindowChangeListeners.isEmpty()) {
@@ -8822,10 +8838,9 @@
             needRelayout = adjustWallpaperWindowsLocked() != 0;
         }
         if (needRelayout) {
-            requestAnimationLocked(0);
+            requestTraversalLocked();
         } else if (animating) {
-            final int refreshTimeUs = (int)(1000 / mDisplay.getRefreshRate());
-            requestAnimationLocked(currentTime + refreshTimeUs - SystemClock.uptimeMillis());
+            mChoreographer.scheduleAnimation();
         }
 
         // Finally update all input windows now that the window changes have stabilized.
@@ -8944,10 +8959,17 @@
         }
     }
 
-    void requestAnimationLocked(long delay) {
-        if (!mAnimationPending) {
-            mAnimationPending = true;
-            mH.sendMessageDelayed(mH.obtainMessage(H.ANIMATE), delay);
+    void requestTraversalLocked() {
+        if (!mTraversalScheduled) {
+            mTraversalScheduled = true;
+            mH.sendEmptyMessage(H.DO_TRAVERSAL);
+        }
+    }
+
+    @Override
+    public void onAnimate() {
+        synchronized(mWindowMap) {
+            performLayoutAndPlaceSurfacesLocked();
         }
     }
 
@@ -9267,7 +9289,7 @@
             if (DEBUG_ORIENTATION) Slog.i(TAG, "**** Dismissing screen rotation animation");
             if (mScreenRotationAnimation.dismiss(mFxSession, MAX_ANIMATION_DURATION,
                     mTransitionAnimationScale, mCurDisplayWidth, mCurDisplayHeight)) {
-                requestAnimationLocked(0);
+                mChoreographer.scheduleAnimation();
             } else {
                 mScreenRotationAnimation = null;
                 updateRotation = true;
@@ -9759,9 +9781,10 @@
             pw.print("  mLastWindowForcedOrientation"); pw.print(mLastWindowForcedOrientation);
                     pw.print(" mForcedAppOrientation="); pw.println(mForcedAppOrientation);
             pw.print("  mDeferredRotationPauseCount="); pw.println(mDeferredRotationPauseCount);
-            pw.print("  mAnimationPending="); pw.print(mAnimationPending);
+            pw.print("  mTraversalScheduled="); pw.print(mTraversalScheduled);
                     pw.print(" mWindowAnimationScale="); pw.print(mWindowAnimationScale);
                     pw.print(" mTransitionWindowAnimationScale="); pw.println(mTransitionAnimationScale);
+                    pw.print(" mAnimatorDurationScale="); pw.println(mAnimatorDurationScale);
             pw.print("  mNextAppTransition=0x");
                     pw.print(Integer.toHexString(mNextAppTransition));
                     pw.print(" mAppTransitionReady="); pw.println(mAppTransitionReady);
diff --git a/services/java/com/android/server/wm/WindowState.java b/services/java/com/android/server/wm/WindowState.java
index 1067cad..6868cf6 100644
--- a/services/java/com/android/server/wm/WindowState.java
+++ b/services/java/com/android/server/wm/WindowState.java
@@ -1593,7 +1593,7 @@
             mService.applyAnimationLocked(this, WindowManagerPolicy.TRANSIT_ENTER, true);
         }
         if (requestAnim) {
-            mService.requestAnimationLocked(0);
+            mService.mChoreographer.scheduleAnimation();
         }
         return true;
     }
@@ -1634,7 +1634,7 @@
             }
         }
         if (requestAnim) {
-            mService.requestAnimationLocked(0);
+            mService.mChoreographer.scheduleAnimation();
         }
         return true;
     }
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index fc211e5..8b4c074 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -32,7 +32,6 @@
 endif
 ifeq ($(TARGET_BOARD_PLATFORM), omap4)
 	LOCAL_CFLAGS += -DHAS_CONTEXT_PRIORITY
-	LOCAL_CFLAGS += -DUSE_TRIPLE_BUFFERING=1
 endif
 ifeq ($(TARGET_BOARD_PLATFORM), s5pc110)
 	LOCAL_CFLAGS += -DHAS_CONTEXT_PRIORITY -DNEVER_DEFAULT_TO_ASYNC_MODE
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
index f4afeea..09f1906 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 The Android Open Source Project
+ * Copyright (C) 2012 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.
@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-#include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -22,15 +21,6 @@
 
 #include <unistd.h>
 #include <fcntl.h>
-#include <signal.h>
-#include <termios.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/resource.h>
-
-#include <linux/unistd.h>
 
 #include <utils/Log.h>
 
@@ -45,39 +35,30 @@
 
 // ----------------------------------------------------------------------------
 
-DisplayHardwareBase::DisplayEventThreadBase::DisplayEventThreadBase(
+DisplayHardwareBase::DisplayEventThread::DisplayEventThread(
         const sp<SurfaceFlinger>& flinger)
     : Thread(false), mFlinger(flinger) {
 }
 
-DisplayHardwareBase::DisplayEventThreadBase::~DisplayEventThreadBase() {
+DisplayHardwareBase::DisplayEventThread::~DisplayEventThread() {
 }
 
-// ----------------------------------------------------------------------------
-
-DisplayHardwareBase::DisplayEventThread::DisplayEventThread(
-        const sp<SurfaceFlinger>& flinger)
-    : DisplayEventThreadBase(flinger)
-{
+void DisplayHardwareBase::DisplayEventThread::onFirstRef() {
+    if (initCheck() == NO_ERROR) {
+        run("DisplayEventThread", PRIORITY_URGENT_DISPLAY);
+    } else {
+        ALOGW("/sys/power/wait_for_fb_{wake|sleep} don't exist");
+    }
 }
 
-DisplayHardwareBase::DisplayEventThread::~DisplayEventThread()
-{
+status_t DisplayHardwareBase::DisplayEventThread::initCheck() const {
+    return ((access(kSleepFileName, R_OK) == 0 &&
+            access(kWakeFileName, R_OK) == 0)) ? NO_ERROR : NO_INIT;
 }
 
-bool DisplayHardwareBase::DisplayEventThread::threadLoop()
-{
-    int err = 0;
-    char buf;
-    int fd;
+bool DisplayHardwareBase::DisplayEventThread::threadLoop() {
 
-    fd = open(kSleepFileName, O_RDONLY, 0);
-    do {
-      err = read(fd, &buf, 1);
-    } while (err < 0 && errno == EINTR);
-    close(fd);
-    ALOGW_IF(err<0, "ANDROID_WAIT_FOR_FB_SLEEP failed (%s)", strerror(errno));
-    if (err >= 0) {
+    if (waitForFbSleep() == NO_ERROR) {
         sp<SurfaceFlinger> flinger = mFlinger.promote();
         ALOGD("About to give-up screen, flinger = %p", flinger.get());
         if (flinger != 0) {
@@ -85,39 +66,51 @@
             flinger->screenReleased(0);
             mBarrier.wait();
         }
+        if (waitForFbWake() == NO_ERROR) {
+            sp<SurfaceFlinger> flinger = mFlinger.promote();
+            ALOGD("Screen about to return, flinger = %p", flinger.get());
+            if (flinger != 0) {
+                flinger->screenAcquired(0);
+            }
+            return true;
+        }
     }
-    fd = open(kWakeFileName, O_RDONLY, 0);
+
+    // error, exit the thread
+    return false;
+}
+
+status_t DisplayHardwareBase::DisplayEventThread::waitForFbSleep() {
+    int err = 0;
+    char buf;
+    int fd = open(kSleepFileName, O_RDONLY, 0);
+    // if the file doesn't exist, the error will be caught in read() below
     do {
-      err = read(fd, &buf, 1);
+        err = read(fd, &buf, 1);
     } while (err < 0 && errno == EINTR);
     close(fd);
-    ALOGW_IF(err<0, "ANDROID_WAIT_FOR_FB_WAKE failed (%s)", strerror(errno));
-    if (err >= 0) {
-        sp<SurfaceFlinger> flinger = mFlinger.promote();
-        ALOGD("Screen about to return, flinger = %p", flinger.get());
-        if (flinger != 0)
-            flinger->screenAcquired(0);
-    }
-    return true;
+    ALOGE_IF(err<0, "*** ANDROID_WAIT_FOR_FB_SLEEP failed (%s)", strerror(errno));
+    return err < 0 ? -errno : int(NO_ERROR);
 }
 
-status_t DisplayHardwareBase::DisplayEventThread::releaseScreen() const
-{
+status_t DisplayHardwareBase::DisplayEventThread::waitForFbWake() {
+    int err = 0;
+    char buf;
+    int fd = open(kWakeFileName, O_RDONLY, 0);
+    // if the file doesn't exist, the error will be caught in read() below
+    do {
+        err = read(fd, &buf, 1);
+    } while (err < 0 && errno == EINTR);
+    close(fd);
+    ALOGE_IF(err<0, "*** ANDROID_WAIT_FOR_FB_WAKE failed (%s)", strerror(errno));
+    return err < 0 ? -errno : int(NO_ERROR);
+}
+
+status_t DisplayHardwareBase::DisplayEventThread::releaseScreen() const {
     mBarrier.open();
     return NO_ERROR;
 }
 
-status_t DisplayHardwareBase::DisplayEventThread::readyToRun()
-{
-    return NO_ERROR;
-}
-
-status_t DisplayHardwareBase::DisplayEventThread::initCheck() const
-{
-    return ((access(kSleepFileName, R_OK) == 0 &&
-            access(kWakeFileName, R_OK) == 0)) ? NO_ERROR : NO_INIT;
-}
-
 // ----------------------------------------------------------------------------
 
 DisplayHardwareBase::DisplayHardwareBase(const sp<SurfaceFlinger>& flinger,
@@ -127,35 +120,27 @@
     mDisplayEventThread = new DisplayEventThread(flinger);
 }
 
-DisplayHardwareBase::~DisplayHardwareBase()
-{
+DisplayHardwareBase::~DisplayHardwareBase() {
     // request exit
     mDisplayEventThread->requestExitAndWait();
 }
 
-bool DisplayHardwareBase::canDraw() const
-{
+bool DisplayHardwareBase::canDraw() const {
     return mScreenAcquired;
 }
 
-void DisplayHardwareBase::releaseScreen() const
-{
+void DisplayHardwareBase::releaseScreen() const {
     status_t err = mDisplayEventThread->releaseScreen();
     if (err >= 0) {
         mScreenAcquired = false;
     }
 }
 
-void DisplayHardwareBase::acquireScreen() const
-{
-    status_t err = mDisplayEventThread->acquireScreen();
-    if (err >= 0) {
-        mScreenAcquired = true;
-    }
+void DisplayHardwareBase::acquireScreen() const {
+    mScreenAcquired = true;
 }
 
-bool DisplayHardwareBase::isScreenAcquired() const
-{
+bool DisplayHardwareBase::isScreenAcquired() const {
     return mScreenAcquired;
 }
 
diff --git a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
index ef2df43..91ea602 100644
--- a/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
+++ b/services/surfaceflinger/DisplayHardware/DisplayHardwareBase.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 The Android Open Source Project
+ * Copyright (C) 2012 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.
@@ -20,8 +20,6 @@
 #include <stdint.h>
 #include <utils/RefBase.h>
 #include <utils/threads.h>
-#include <linux/kd.h>
-#include <linux/vt.h>
 #include "Barrier.h"
 
 namespace android {
@@ -31,11 +29,11 @@
 class DisplayHardwareBase
 {
 public:
-                DisplayHardwareBase(
-                        const sp<SurfaceFlinger>& flinger,
-                        uint32_t displayIndex);
+    DisplayHardwareBase(
+            const sp<SurfaceFlinger>& flinger,
+            uint32_t displayIndex);
 
-                ~DisplayHardwareBase();
+    ~DisplayHardwareBase();
 
     // console management
     void releaseScreen() const;
@@ -46,34 +44,22 @@
 
 
 private:
-    class DisplayEventThreadBase : public Thread {
-    protected:
+    class DisplayEventThread : public Thread {
         wp<SurfaceFlinger> mFlinger;
-    public:
-        DisplayEventThreadBase(const sp<SurfaceFlinger>& flinger);
-        virtual ~DisplayEventThreadBase();
-        virtual void onFirstRef() {
-            run("DisplayEventThread", PRIORITY_URGENT_DISPLAY);
-        }
-        virtual status_t acquireScreen() const { return NO_ERROR; };
-        virtual status_t releaseScreen() const { return NO_ERROR; };
-        virtual status_t initCheck() const = 0;
-    };
-
-    class DisplayEventThread : public DisplayEventThreadBase 
-    {
         mutable Barrier mBarrier;
+        status_t waitForFbSleep();
+        status_t waitForFbWake();
     public:
-                DisplayEventThread(const sp<SurfaceFlinger>& flinger);
+        DisplayEventThread(const sp<SurfaceFlinger>& flinger);
         virtual ~DisplayEventThread();
+        virtual void onFirstRef();
         virtual bool threadLoop();
-        virtual status_t readyToRun();
-        virtual status_t releaseScreen() const;
-        virtual status_t initCheck() const;
+        status_t releaseScreen() const;
+        status_t initCheck() const;
     };
 
-    sp<DisplayEventThreadBase>  mDisplayEventThread;
-    mutable int                 mScreenAcquired;
+    sp<DisplayEventThread>  mDisplayEventThread;
+    mutable int             mScreenAcquired;
 };
 
 }; // namespace android
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 9c04d59..64f72d5 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -55,6 +55,7 @@
         mCurrentTransform(0),
         mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
         mCurrentOpacity(true),
+        mRefreshPending(0),
         mFrameLatencyNeeded(false),
         mFrameLatencyOffset(0),
         mFormat(PIXEL_FORMAT_NONE),
@@ -97,12 +98,7 @@
     mSurfaceTexture = new SurfaceTextureLayer(mTextureName, this);
     mSurfaceTexture->setFrameAvailableListener(new FrameQueuedListener(this));
     mSurfaceTexture->setSynchronousMode(true);
-#ifdef USE_TRIPLE_BUFFERING
-#warning "using triple buffering"
-    mSurfaceTexture->setBufferCountServer(3);
-#else
     mSurfaceTexture->setBufferCountServer(2);
-#endif
 }
 
 Layer::~Layer()
@@ -113,7 +109,7 @@
 
 void Layer::onFrameQueued() {
     android_atomic_inc(&mQueuedFrames);
-    mFlinger->signalEvent();
+    mFlinger->signalLayerUpdate();
 }
 
 // called with SurfaceFlinger::mStateLock as soon as the layer is entered
@@ -407,16 +403,37 @@
 // pageflip handling...
 // ----------------------------------------------------------------------------
 
+bool Layer::onPreComposition()
+{
+    // if there was more than one pending update, request a refresh
+    if (mRefreshPending >= 2) {
+        mRefreshPending = 0;
+        return true;
+    }
+    mRefreshPending = 0;
+    return false;
+}
+
 void Layer::lockPageFlip(bool& recomputeVisibleRegions)
 {
     if (mQueuedFrames > 0) {
+
+        // if we've already called updateTexImage() without going through
+        // a composition step, we have to skip this layer at this point
+        // because we cannot call updateTeximage() without a corresponding
+        // compositionComplete() call.
+        // we'll trigger an update in onPreComposition().
+        if (mRefreshPending++) {
+            return;
+        }
+
         // Capture the old state of the layer for comparisons later
         const bool oldOpacity = isOpaque();
         sp<GraphicBuffer> oldActiveBuffer = mActiveBuffer;
 
         // signal another event if we have more frames pending
         if (android_atomic_dec(&mQueuedFrames) > 1) {
-            mFlinger->signalEvent();
+            mFlinger->signalLayerUpdate();
         }
 
         if (mSurfaceTexture->updateTexImage() < NO_ERROR) {
@@ -519,6 +536,10 @@
 void Layer::unlockPageFlip(
         const Transform& planeTransform, Region& outDirtyRegion)
 {
+    if (mRefreshPending >= 2) {
+        return;
+    }
+
     Region dirtyRegion(mPostedDirtyRegion);
     if (!dirtyRegion.isEmpty()) {
         mPostedDirtyRegion.clear();
@@ -552,9 +573,9 @@
     snprintf(buffer, SIZE,
             "      "
             "format=%2d, activeBuffer=[%4ux%4u:%4u,%3X],"
-            " transform-hint=0x%02x, queued-frames=%d\n",
+            " transform-hint=0x%02x, queued-frames=%d, mRefreshPending=%d\n",
             mFormat, w0, h0, s0,f0,
-            getTransformHint(), mQueuedFrames);
+            getTransformHint(), mQueuedFrames, mRefreshPending);
 
     result.append(buffer);
 
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 2dd4da1..bf30608 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -80,6 +80,7 @@
     virtual wp<IBinder> getSurfaceTextureBinder() const;
 
     virtual void onLayerDisplayed();
+    virtual bool onPreComposition();
 
     // only for debugging
     inline const sp<GraphicBuffer>& getActiveBuffer() const { return mActiveBuffer; }
@@ -115,14 +116,17 @@
     uint32_t mCurrentTransform;
     uint32_t mCurrentScalingMode;
     bool mCurrentOpacity;
+    size_t mRefreshPending;
     bool mFrameLatencyNeeded;
     int mFrameLatencyOffset;
+
     struct Statistics {
         Statistics() : timestamp(0), set(0), vsync(0) { }
         nsecs_t timestamp;  // buffer timestamp
         nsecs_t set;        // buffer displayed timestamp
         nsecs_t vsync;      // vsync immediately before set
     };
+
     // protected by mLock
     Statistics mFrameStats[128];
 
diff --git a/services/surfaceflinger/LayerBase.cpp b/services/surfaceflinger/LayerBase.cpp
index d32fcdd..44aafdf 100644
--- a/services/surfaceflinger/LayerBase.cpp
+++ b/services/surfaceflinger/LayerBase.cpp
@@ -47,8 +47,7 @@
       mOrientation(0),
       mPlaneOrientation(0),
       mTransactionFlags(0),
-      mPremultipliedAlpha(true), mName("unnamed"), mDebug(false),
-      mInvalidate(0)
+      mPremultipliedAlpha(true), mName("unnamed"), mDebug(false)
 {
     const DisplayHardware& hw(flinger->graphicPlane(0).displayHardware());
     mFlags = hw.getFlags();
@@ -262,23 +261,11 @@
     mTransformedBounds = tr.makeBounds(w, h);
 }
 
-void LayerBase::lockPageFlip(bool& recomputeVisibleRegions)
-{
+void LayerBase::lockPageFlip(bool& recomputeVisibleRegions) {
 }
 
 void LayerBase::unlockPageFlip(
-        const Transform& planeTransform, Region& outDirtyRegion)
-{
-    if ((android_atomic_and(~1, &mInvalidate)&1) == 1) {
-        outDirtyRegion.orSelf(visibleRegionScreen);
-    }
-}
-
-void LayerBase::invalidate()
-{
-    if ((android_atomic_or(1, &mInvalidate)&1) == 0) {
-        mFlinger->signalEvent();
-    }
+        const Transform& planeTransform, Region& outDirtyRegion) {
 }
 
 void LayerBase::drawRegion(const Region& reg) const
diff --git a/services/surfaceflinger/LayerBase.h b/services/surfaceflinger/LayerBase.h
index 6b62c9d..b8f7680 100644
--- a/services/surfaceflinger/LayerBase.h
+++ b/services/surfaceflinger/LayerBase.h
@@ -103,8 +103,6 @@
             Rect visibleBounds() const;
             void drawRegion(const Region& reg) const;
 
-            void invalidate();
-
     virtual sp<LayerBaseClient> getLayerBaseClient() const { return 0; }
     virtual sp<Layer> getLayer() const { return 0; }
 
@@ -204,9 +202,16 @@
 
     /** called with the state lock when the surface is removed from the
      *  current list */
-    virtual void onRemoved() { };
+    virtual void onRemoved() { }
 
-    virtual void onLayerDisplayed() { };
+    /** called after page-flip
+     */
+    virtual void onLayerDisplayed() { }
+
+    /** called before composition.
+     * returns true if the layer has pending updates.
+     */
+    virtual bool onPreComposition() { return false; }
 
     /** always call base class first */
     virtual void dump(String8& result, char* scratch, size_t size) const;
@@ -275,10 +280,6 @@
     mutable     bool            mDebug;
 
 
-                // atomic
-    volatile    int32_t         mInvalidate;
-                
-
 public:
     // called from class SurfaceFlinger
     virtual ~LayerBase();
diff --git a/services/surfaceflinger/MessageQueue.cpp b/services/surfaceflinger/MessageQueue.cpp
index 70711e7..1ff3567 100644
--- a/services/surfaceflinger/MessageQueue.cpp
+++ b/services/surfaceflinger/MessageQueue.cpp
@@ -29,6 +29,7 @@
 
 #include "MessageQueue.h"
 #include "EventThread.h"
+#include "SurfaceFlinger.h"
 
 namespace android {
 
@@ -48,14 +49,47 @@
 
 // ---------------------------------------------------------------------------
 
+void MessageQueue::Handler::signalRefresh() {
+    if ((android_atomic_or(eventMaskRefresh, &mEventMask) & eventMaskRefresh) == 0) {
+        mQueue.mLooper->sendMessage(this, Message(MessageQueue::REFRESH));
+    }
+}
+
+void MessageQueue::Handler::signalInvalidate() {
+    if ((android_atomic_or(eventMaskInvalidate, &mEventMask) & eventMaskInvalidate) == 0) {
+        mQueue.mLooper->sendMessage(this, Message(MessageQueue::INVALIDATE));
+    }
+}
+
+void MessageQueue::Handler::handleMessage(const Message& message) {
+    switch (message.what) {
+        case INVALIDATE:
+            android_atomic_and(~eventMaskInvalidate, &mEventMask);
+            mQueue.mFlinger->onMessageReceived(message.what);
+            break;
+        case REFRESH:
+            android_atomic_and(~eventMaskRefresh, &mEventMask);
+            mQueue.mFlinger->onMessageReceived(message.what);
+            break;
+    }
+}
+
+// ---------------------------------------------------------------------------
+
 MessageQueue::MessageQueue()
-    : mLooper(new Looper(true)), mWorkPending(0)
 {
 }
 
 MessageQueue::~MessageQueue() {
 }
 
+void MessageQueue::init(const sp<SurfaceFlinger>& flinger)
+{
+    mFlinger = flinger;
+    mLooper = new Looper(true);
+    mHandler = new Handler(*this);
+}
+
 void MessageQueue::setEventThread(const sp<EventThread>& eventThread)
 {
     mEventThread = eventThread;
@@ -68,25 +102,16 @@
 void MessageQueue::waitMessage() {
     do {
         IPCThreadState::self()->flushCommands();
-
         int32_t ret = mLooper->pollOnce(-1);
         switch (ret) {
             case ALOOPER_POLL_WAKE:
             case ALOOPER_POLL_CALLBACK:
-                // callback and/or wake
-                if (android_atomic_and(0, &mWorkPending)) {
-                    return;
-                }
                 continue;
-
+            case ALOOPER_POLL_ERROR:
+                ALOGE("ALOOPER_POLL_ERROR");
             case ALOOPER_POLL_TIMEOUT:
                 // timeout (should not happen)
                 continue;
-
-            case ALOOPER_POLL_ERROR:
-                ALOGE("ALOOPER_POLL_ERROR");
-                continue;
-
             default:
                 // should not happen
                 ALOGE("Looper::pollOnce() returned unknown status %d", ret);
@@ -107,15 +132,12 @@
     return NO_ERROR;
 }
 
-void MessageQueue::scheduleWorkASAP() {
-    if (android_atomic_or(1, &mWorkPending) == 0) {
-        mLooper->wake();
-   }
+void MessageQueue::invalidate() {
+    mHandler->signalInvalidate();
 }
 
-status_t MessageQueue::invalidate() {
+void MessageQueue::refresh() {
     mEvents->requestNextVsync();
-    return NO_ERROR;
 }
 
 int MessageQueue::cb_eventReceiver(int fd, int events, void* data) {
@@ -126,10 +148,10 @@
 int MessageQueue::eventReceiver(int fd, int events) {
     ssize_t n;
     DisplayEventReceiver::Event buffer[8];
-    while ((n = getEvents(buffer, 8)) > 0) {
+    while ((n = DisplayEventReceiver::getEvents(mEventTube, buffer, 8)) > 0) {
         for (int i=0 ; i<n ; i++) {
             if (buffer[i].header.type == DisplayEventReceiver::DISPLAY_EVENT_VSYNC) {
-                scheduleWorkASAP();
+                mHandler->signalRefresh();
                 break;
             }
         }
@@ -137,24 +159,6 @@
     return 1;
 }
 
-ssize_t MessageQueue::getEvents(
-        DisplayEventReceiver::Event* events, size_t count)
-{
-    ssize_t size = mEventTube->read(events, sizeof(events[0])*count);
-    ALOGE_IF(size<0, "MessageQueue::getEvents error (%s)", strerror(-size));
-    if (size >= 0) {
-        // Note: if (size % sizeof(events[0])) != 0, we've got a
-        // partial read. This can happen if the queue filed up (ie: if we
-        // didn't pull from it fast enough).
-        // We discard the partial event and rely on the sender to
-        // re-send the event if appropriate (some events, like VSYNC
-        // can be lost forever).
-        // returns number of events read
-        size /= sizeof(events[0]);
-    }
-    return size;
-}
-
 // ---------------------------------------------------------------------------
 
 }; // namespace android
diff --git a/services/surfaceflinger/MessageQueue.h b/services/surfaceflinger/MessageQueue.h
index 5ea197d..ea29e7e 100644
--- a/services/surfaceflinger/MessageQueue.h
+++ b/services/surfaceflinger/MessageQueue.h
@@ -33,6 +33,7 @@
 
 class IDisplayEventConnection;
 class EventThread;
+class SurfaceFlinger;
 
 // ---------------------------------------------------------------------------
 
@@ -59,25 +60,48 @@
 // ---------------------------------------------------------------------------
 
 class MessageQueue {
+    class Handler : public MessageHandler {
+        enum {
+            eventMaskInvalidate = 0x1,
+            eventMaskRefresh    = 0x2
+        };
+        MessageQueue& mQueue;
+        int32_t mEventMask;
+    public:
+        Handler(MessageQueue& queue) : mQueue(queue), mEventMask(0) { }
+        virtual void handleMessage(const Message& message);
+        void signalRefresh();
+        void signalInvalidate();
+    };
+
+    friend class Handler;
+
+    sp<SurfaceFlinger> mFlinger;
     sp<Looper> mLooper;
     sp<EventThread> mEventThread;
     sp<IDisplayEventConnection> mEvents;
     sp<BitTube> mEventTube;
-    int32_t mWorkPending;
+    sp<Handler> mHandler;
+
 
     static int cb_eventReceiver(int fd, int events, void* data);
     int eventReceiver(int fd, int events);
-    ssize_t getEvents(DisplayEventReceiver::Event* events, size_t count);
-    void scheduleWorkASAP();
 
 public:
+    enum {
+        INVALIDATE = 0,
+        REFRESH    = 1,
+    };
+
     MessageQueue();
     ~MessageQueue();
+    void init(const sp<SurfaceFlinger>& flinger);
     void setEventThread(const sp<EventThread>& events);
 
     void waitMessage();
     status_t postMessage(const sp<MessageBase>& message, nsecs_t reltime=0);
-    status_t invalidate();
+    void invalidate();
+    void refresh();
 };
 
 // ---------------------------------------------------------------------------
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index ff70ec3..870235b 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -125,11 +125,34 @@
     ALOGI_IF(mDebugDDMS,         "DDMS debugging enabled");
 }
 
+void SurfaceFlinger::onFirstRef()
+{
+    mEventQueue.init(this);
+
+    run("SurfaceFlinger", PRIORITY_URGENT_DISPLAY);
+
+    // Wait for the main thread to be done with its initialization
+    mReadyToRunBarrier.wait();
+}
+
+
 SurfaceFlinger::~SurfaceFlinger()
 {
     glDeleteTextures(1, &mWormholeTexName);
 }
 
+void SurfaceFlinger::binderDied(const wp<IBinder>& who)
+{
+    // the window manager died on us. prepare its eulogy.
+
+    // reset screen orientation
+    Vector<ComposerState> state;
+    setTransactionState(state, eOrientationDefault, 0);
+
+    // restart the boot-animation
+    property_set("ctl.start", "bootanim");
+}
+
 sp<IMemoryHeap> SurfaceFlinger::getCblk() const
 {
     return mServerHeap;
@@ -183,26 +206,6 @@
     property_set("ctl.stop", "bootanim");
 }
 
-void SurfaceFlinger::binderDied(const wp<IBinder>& who)
-{
-    // the window manager died on us. prepare its eulogy.
-
-    // reset screen orientation
-    Vector<ComposerState> state;
-    setTransactionState(state, eOrientationDefault, 0);
-
-    // restart the boot-animation
-    property_set("ctl.start", "bootanim");
-}
-
-void SurfaceFlinger::onFirstRef()
-{
-    run("SurfaceFlinger", PRIORITY_URGENT_DISPLAY);
-
-    // Wait for the main thread to be done with its initialization
-    mReadyToRunBarrier.wait();
-}
-
 static inline uint16_t pack565(int r, int g, int b) {
     return (r<<11)|(g<<5)|b;
 }
@@ -311,34 +314,6 @@
 }
 
 // ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark Events Handler
-#endif
-
-void SurfaceFlinger::waitForEvent() {
-    mEventQueue.waitMessage();
-}
-
-void SurfaceFlinger::signalEvent() {
-    mEventQueue.invalidate();
-}
-
-status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
-        nsecs_t reltime, uint32_t flags) {
-    return mEventQueue.postMessage(msg, reltime);
-}
-
-status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
-        nsecs_t reltime, uint32_t flags) {
-    status_t res = mEventQueue.postMessage(msg, reltime);
-    if (res == NO_ERROR) {
-        msg->wait();
-    }
-    return res;
-}
-
-// ----------------------------------------------------------------------------
 
 bool SurfaceFlinger::authenticateSurfaceTexture(
         const sp<ISurfaceTexture>& surfaceTexture) const {
@@ -388,54 +363,93 @@
 }
 
 // ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#pragma mark Main loop
-#endif
+
+void SurfaceFlinger::waitForEvent() {
+    mEventQueue.waitMessage();
+}
+
+void SurfaceFlinger::signalTransaction() {
+    mEventQueue.invalidate();
+}
+
+void SurfaceFlinger::signalLayerUpdate() {
+    mEventQueue.invalidate();
+}
+
+void SurfaceFlinger::signalRefresh() {
+    mEventQueue.refresh();
+}
+
+status_t SurfaceFlinger::postMessageAsync(const sp<MessageBase>& msg,
+        nsecs_t reltime, uint32_t flags) {
+    return mEventQueue.postMessage(msg, reltime);
+}
+
+status_t SurfaceFlinger::postMessageSync(const sp<MessageBase>& msg,
+        nsecs_t reltime, uint32_t flags) {
+    status_t res = mEventQueue.postMessage(msg, reltime);
+    if (res == NO_ERROR) {
+        msg->wait();
+    }
+    return res;
+}
 
 bool SurfaceFlinger::threadLoop()
 {
     waitForEvent();
-
-    // check for transactions
-    if (CC_UNLIKELY(mConsoleSignals)) {
-        handleConsoleEvents();
-    }
-
-    // if we're in a global transaction, don't do anything.
-    const uint32_t mask = eTransactionNeeded | eTraversalNeeded;
-    uint32_t transactionFlags = peekTransactionFlags(mask);
-    if (CC_UNLIKELY(transactionFlags)) {
-        handleTransaction(transactionFlags);
-    }
-
-    // post surfaces (if needed)
-    handlePageFlip();
-
-    if (mDirtyRegion.isEmpty()) {
-        // nothing new to do.
-        return true;
-    }
-
-    if (CC_UNLIKELY(mHwWorkListDirty)) {
-        // build the h/w work list
-        handleWorkList();
-    }
-
-    const DisplayHardware& hw(graphicPlane(0).displayHardware());
-    if (CC_LIKELY(hw.canDraw())) {
-        // repaint the framebuffer (if needed)
-        handleRepaint();
-        // inform the h/w that we're done compositing
-        hw.compositionComplete();
-        postFramebuffer();
-    } else {
-        // pretend we did the post
-        hw.compositionComplete();
-    }
     return true;
 }
 
+void SurfaceFlinger::onMessageReceived(int32_t what)
+{
+    switch (what) {
+        case MessageQueue::INVALIDATE: {
+            // check for transactions
+            if (CC_UNLIKELY(mConsoleSignals)) {
+                handleConsoleEvents();
+            }
+
+            // if we're in a global transaction, don't do anything.
+            const uint32_t mask = eTransactionNeeded | eTraversalNeeded;
+            uint32_t transactionFlags = peekTransactionFlags(mask);
+            if (CC_UNLIKELY(transactionFlags)) {
+                handleTransaction(transactionFlags);
+            }
+
+            // post surfaces (if needed)
+            handlePageFlip();
+
+            if (!mDirtyRegion.isEmpty()) {
+                signalRefresh();
+            }
+        } break;
+
+        case MessageQueue::REFRESH: {
+            if (!mDirtyRegion.isEmpty()) {
+                // NOTE: it is mandatory to call hw.compositionComplete()
+                // after handleRefresh()
+                handleRefresh();
+
+                const DisplayHardware& hw(graphicPlane(0).displayHardware());
+                if (CC_UNLIKELY(mHwWorkListDirty)) {
+                    // build the h/w work list
+                    handleWorkList();
+                }
+                if (CC_LIKELY(hw.canDraw())) {
+                    // repaint the framebuffer (if needed)
+                    handleRepaint();
+                    // inform the h/w that we're done compositing
+                    hw.compositionComplete();
+                    postFramebuffer();
+                } else {
+                    // pretend we did the post
+                    hw.compositionComplete();
+                }
+            }
+        } break;
+    }
+}
+
 void SurfaceFlinger::postFramebuffer()
 {
     // this should never happen. we do the flip anyways so we don't
@@ -717,13 +731,13 @@
 
 void SurfaceFlinger::handlePageFlip()
 {
-    bool visibleRegions = mVisibleRegionsDirty;
-    const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
-    visibleRegions |= lockPageFlip(currentLayers);
+    const DisplayHardware& hw = graphicPlane(0).displayHardware();
+    const Region screenRegion(hw.bounds());
 
-        const DisplayHardware& hw = graphicPlane(0).displayHardware();
-        const Region screenRegion(hw.bounds());
-        if (visibleRegions) {
+    const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
+    const bool visibleRegions = lockPageFlip(currentLayers);
+
+        if (visibleRegions || mVisibleRegionsDirty) {
             Region opaqueRegion;
             computeVisibleRegions(currentLayers, mDirtyRegion, opaqueRegion);
 
@@ -770,7 +784,7 @@
 {
     const GraphicPlane& plane(graphicPlane(0));
     const Transform& planeTransform(plane.transform());
-    size_t count = currentLayers.size();
+    const size_t count = currentLayers.size();
     sp<LayerBase> const* layers = currentLayers.array();
     for (size_t i=0 ; i<count ; i++) {
         const sp<LayerBase>& layer(layers[i]);
@@ -778,6 +792,23 @@
     }
 }
 
+void SurfaceFlinger::handleRefresh()
+{
+    bool needInvalidate = false;
+    const LayerVector& currentLayers(mDrawingState.layersSortedByZ);
+    const size_t count = currentLayers.size();
+    for (size_t i=0 ; i<count ; i++) {
+        const sp<LayerBase>& layer(currentLayers[i]);
+        if (layer->onPreComposition()) {
+            needInvalidate = true;
+        }
+    }
+    if (needInvalidate) {
+        signalLayerUpdate();
+    }
+}
+
+
 void SurfaceFlinger::handleWorkList()
 {
     mHwWorkListDirty = false;
@@ -1175,7 +1206,7 @@
 {
     uint32_t old = android_atomic_or(flags, &mTransactionFlags);
     if ((old & flags)==0) { // wake the server up
-        signalEvent();
+        signalTransaction();
     }
     return old;
 }
@@ -1426,14 +1457,14 @@
 {
     // this may be called by a signal handler, we can't do too much in here
     android_atomic_or(eConsoleReleased, &mConsoleSignals);
-    signalEvent();
+    signalTransaction();
 }
 
 void SurfaceFlinger::screenAcquired(int dpy)
 {
     // this may be called by a signal handler, we can't do too much in here
     android_atomic_or(eConsoleAcquired, &mConsoleSignals);
-    signalEvent();
+    signalTransaction();
 }
 
 status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
@@ -1769,7 +1800,7 @@
     const DisplayHardware& hw(graphicPlane(0).displayHardware());
     const Rect bounds(hw.getBounds());
     setInvalidateRegion(Region(bounds));
-    signalEvent();
+    signalTransaction();
 }
 
 void SurfaceFlinger::setInvalidateRegion(const Region& reg) {
@@ -2245,7 +2276,7 @@
 
     // make sure to redraw the whole screen when the animation is done
     mDirtyRegion.set(hw.bounds());
-    signalEvent();
+    signalTransaction();
 
     return NO_ERROR;
 }
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index c24a9de..fcd9361 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -190,6 +190,8 @@
             status_t renderScreenToTextureLocked(DisplayID dpy,
                     GLuint* textureName, GLfloat* uOut, GLfloat* vOut);
 
+            void onMessageReceived(int32_t what);
+
             status_t postMessageAsync(const sp<MessageBase>& msg,
                     nsecs_t reltime=0, uint32_t flags = 0);
 
@@ -283,7 +285,10 @@
 public:     // hack to work around gcc 4.0.3 bug
     const GraphicPlane&     graphicPlane(int dpy) const;
           GraphicPlane&     graphicPlane(int dpy);
-          void              signalEvent();
+
+          void              signalTransaction();
+          void              signalLayerUpdate();
+          void              signalRefresh();
           void              repaintEverything();
 
 private:
@@ -300,6 +305,7 @@
             void        handlePageFlip();
             bool        lockPageFlip(const LayerVector& currentLayers);
             void        unlockPageFlip(const LayerVector& currentLayers);
+            void        handleRefresh();
             void        handleWorkList();
             void        handleRepaint();
             void        postFramebuffer();
diff --git a/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
index 36a2567..2bf8b1c 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
@@ -21,7 +21,6 @@
 import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE;
 import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.net.NetworkPolicy.LIMIT_DISABLED;
-import static android.net.NetworkPolicy.SNOOZE_NEVER;
 import static android.net.NetworkPolicy.WARNING_DISABLED;
 import static android.net.NetworkPolicyManager.POLICY_NONE;
 import static android.net.NetworkPolicyManager.POLICY_REJECT_METERED_BACKGROUND;
@@ -256,41 +255,49 @@
     }
 
     public void testPidForegroundCombined() throws Exception {
+        IdleFuture idle;
+
         // push all uid into background
+        idle = expectIdle();
         mProcessObserver.onForegroundActivitiesChanged(PID_1, UID_A, false);
         mProcessObserver.onForegroundActivitiesChanged(PID_2, UID_A, false);
         mProcessObserver.onForegroundActivitiesChanged(PID_3, UID_B, false);
-        waitUntilIdle();
+        idle.get();
         assertFalse(mService.isUidForeground(UID_A));
         assertFalse(mService.isUidForeground(UID_B));
 
         // push one of the shared pids into foreground
+        idle = expectIdle();
         mProcessObserver.onForegroundActivitiesChanged(PID_2, UID_A, true);
-        waitUntilIdle();
+        idle.get();
         assertTrue(mService.isUidForeground(UID_A));
         assertFalse(mService.isUidForeground(UID_B));
 
         // and swap another uid into foreground
+        idle = expectIdle();
         mProcessObserver.onForegroundActivitiesChanged(PID_2, UID_A, false);
         mProcessObserver.onForegroundActivitiesChanged(PID_3, UID_B, true);
-        waitUntilIdle();
+        idle.get();
         assertFalse(mService.isUidForeground(UID_A));
         assertTrue(mService.isUidForeground(UID_B));
 
         // push both pid into foreground
+        idle = expectIdle();
         mProcessObserver.onForegroundActivitiesChanged(PID_1, UID_A, true);
         mProcessObserver.onForegroundActivitiesChanged(PID_2, UID_A, true);
-        waitUntilIdle();
+        idle.get();
         assertTrue(mService.isUidForeground(UID_A));
 
         // pull one out, should still be foreground
+        idle = expectIdle();
         mProcessObserver.onForegroundActivitiesChanged(PID_1, UID_A, false);
-        waitUntilIdle();
+        idle.get();
         assertTrue(mService.isUidForeground(UID_A));
 
         // pull final pid out, should now be background
+        idle = expectIdle();
         mProcessObserver.onForegroundActivitiesChanged(PID_2, UID_A, false);
-        waitUntilIdle();
+        idle.get();
         assertFalse(mService.isUidForeground(UID_A));
     }
 
@@ -434,7 +441,7 @@
         final long expectedCycle = parseTime("2007-11-05T00:00:00.000Z");
 
         final NetworkPolicy policy = new NetworkPolicy(
-                sTemplateWifi, 5, 1024L, 1024L, SNOOZE_NEVER, false);
+                sTemplateWifi, 5, 1024L, 1024L, false);
         final long actualCycle = computeLastCycleBoundary(currentTime, policy);
         assertTimeEquals(expectedCycle, actualCycle);
     }
@@ -445,7 +452,7 @@
         final long expectedCycle = parseTime("2007-10-20T00:00:00.000Z");
 
         final NetworkPolicy policy = new NetworkPolicy(
-                sTemplateWifi, 20, 1024L, 1024L, SNOOZE_NEVER, false);
+                sTemplateWifi, 20, 1024L, 1024L, false);
         final long actualCycle = computeLastCycleBoundary(currentTime, policy);
         assertTimeEquals(expectedCycle, actualCycle);
     }
@@ -456,7 +463,7 @@
         final long expectedCycle = parseTime("2007-01-30T00:00:00.000Z");
 
         final NetworkPolicy policy = new NetworkPolicy(
-                sTemplateWifi, 30, 1024L, 1024L, SNOOZE_NEVER, false);
+                sTemplateWifi, 30, 1024L, 1024L, false);
         final long actualCycle = computeLastCycleBoundary(currentTime, policy);
         assertTimeEquals(expectedCycle, actualCycle);
     }
@@ -467,14 +474,14 @@
         final long expectedCycle = parseTime("2007-02-28T23:59:59.000Z");
 
         final NetworkPolicy policy = new NetworkPolicy(
-                sTemplateWifi, 30, 1024L, 1024L, SNOOZE_NEVER, false);
+                sTemplateWifi, 30, 1024L, 1024L, false);
         final long actualCycle = computeLastCycleBoundary(currentTime, policy);
         assertTimeEquals(expectedCycle, actualCycle);
     }
 
     public void testNextCycleSane() throws Exception {
         final NetworkPolicy policy = new NetworkPolicy(
-                sTemplateWifi, 31, WARNING_DISABLED, LIMIT_DISABLED, SNOOZE_NEVER, false);
+                sTemplateWifi, 31, WARNING_DISABLED, LIMIT_DISABLED, false);
         final LinkedHashSet<Long> seen = new LinkedHashSet<Long>();
 
         // walk forwards, ensuring that cycle boundaries don't get stuck
@@ -489,7 +496,7 @@
 
     public void testLastCycleSane() throws Exception {
         final NetworkPolicy policy = new NetworkPolicy(
-                sTemplateWifi, 31, WARNING_DISABLED, LIMIT_DISABLED, SNOOZE_NEVER, false);
+                sTemplateWifi, 31, WARNING_DISABLED, LIMIT_DISABLED, false);
         final LinkedHashSet<Long> seen = new LinkedHashSet<Long>();
 
         // walk backwards, ensuring that cycle boundaries look sane
@@ -547,7 +554,7 @@
 
         replay();
         setNetworkPolicies(new NetworkPolicy(
-                sTemplateWifi, CYCLE_DAY, 1 * MB_IN_BYTES, 2 * MB_IN_BYTES, SNOOZE_NEVER, false));
+                sTemplateWifi, CYCLE_DAY, 1 * MB_IN_BYTES, 2 * MB_IN_BYTES, false));
         future.get();
         verifyAndReset();
     }
@@ -604,9 +611,8 @@
             future = expectMeteredIfacesChanged();
 
             replay();
-            setNetworkPolicies(
-                    new NetworkPolicy(sTemplateWifi, CYCLE_DAY, 1 * MB_IN_BYTES, 2 * MB_IN_BYTES,
-                            SNOOZE_NEVER, false));
+            setNetworkPolicies(new NetworkPolicy(sTemplateWifi, CYCLE_DAY, 1 * MB_IN_BYTES,
+                    2 * MB_IN_BYTES, false));
             future.get();
             verifyAndReset();
         }
@@ -698,7 +704,7 @@
             tagFuture = expectEnqueueNotification();
 
             replay();
-            mService.snoozePolicy(sTemplateWifi);
+            mService.snoozeLimit(sTemplateWifi);
             assertNotificationType(TYPE_LIMIT_SNOOZED, tagFuture.get());
             future.get();
             verifyAndReset();
@@ -736,9 +742,8 @@
             future = expectMeteredIfacesChanged(TEST_IFACE);
 
             replay();
-            setNetworkPolicies(
-                    new NetworkPolicy(sTemplateWifi, CYCLE_DAY, WARNING_DISABLED, LIMIT_DISABLED,
-                            SNOOZE_NEVER, true));
+            setNetworkPolicies(new NetworkPolicy(sTemplateWifi, CYCLE_DAY, WARNING_DISABLED,
+                    LIMIT_DISABLED, true));
             future.get();
             verifyAndReset();
         }
@@ -890,10 +895,10 @@
     /**
      * Wait until {@link #mService} internal {@link Handler} is idle.
      */
-    private void waitUntilIdle() throws Exception {
+    private IdleFuture expectIdle() {
         final IdleFuture future = new IdleFuture();
         mService.addIdleHandler(future);
-        future.get();
+        return future;
     }
 
     private static void assertTimeEquals(long expected, long actual) {
diff --git a/telephony/java/com/android/internal/telephony/CommandsInterface.java b/telephony/java/com/android/internal/telephony/CommandsInterface.java
index ee39850..a0efab2 100644
--- a/telephony/java/com/android/internal/telephony/CommandsInterface.java
+++ b/telephony/java/com/android/internal/telephony/CommandsInterface.java
@@ -93,11 +93,6 @@
     static final int USSD_MODE_NOTIFY       = 0;
     static final int USSD_MODE_REQUEST      = 1;
 
-    // SIM Refresh results, passed up from RIL.
-    static final int SIM_REFRESH_FILE_UPDATED   = 0;  // Single file updated
-    static final int SIM_REFRESH_INIT           = 1;  // SIM initialized; reload all
-    static final int SIM_REFRESH_RESET          = 2;  // SIM reset; may be locked
-
     // GSM SMS fail cause for acknowledgeLastIncomingSMS. From TS 23.040, 9.2.3.22.
     static final int GSM_SMS_FAIL_CAUSE_MEMORY_CAPACITY_EXCEEDED    = 0xD3;
     static final int GSM_SMS_FAIL_CAUSE_USIM_APP_TOOLKIT_BUSY       = 0xD4;
@@ -764,6 +759,15 @@
      *  retMsg.obj = AsyncResult ar
      *  ar.exception carries exception on failure
      *  ar.userObject contains the orignal value of result.obj
+     *  ar.result is String containing IMSI on success
+     */
+    void getIMSIForApp(String aid, Message result);
+
+    /**
+     *  returned message
+     *  retMsg.obj = AsyncResult ar
+     *  ar.exception carries exception on failure
+     *  ar.userObject contains the orignal value of result.obj
      *  ar.result is String containing IMEI on success
      */
     void getIMEI(Message result);
@@ -1055,6 +1059,14 @@
             String data, String pin2, Message response);
 
     /**
+     * parameters equivalent to 27.007 AT+CRSM command
+     * response.obj will be an AsyncResult
+     * response.obj.userObj will be a IccIoResult on success
+     */
+    void iccIOForApp (int command, int fileid, String path, int p1, int p2, int p3,
+            String data, String pin2, String aid, Message response);
+
+    /**
      * (AsyncResult)response.obj).result is an int[] with element [0] set to
      * 1 for "CLIP is provisioned", and 0 for "CLIP is not provisioned".
      *
diff --git a/telephony/java/com/android/internal/telephony/IccCard.java b/telephony/java/com/android/internal/telephony/IccCard.java
index f4308a0..a9ef762 100644
--- a/telephony/java/com/android/internal/telephony/IccCard.java
+++ b/telephony/java/com/android/internal/telephony/IccCard.java
@@ -48,7 +48,7 @@
     protected String mLogTag;
     protected boolean mDbg;
 
-    private IccCardStatus mIccCardStatus = null;
+    protected IccCardStatus mIccCardStatus = null;
     protected State mState = null;
     private final Object mStateMonitor = new Object();
 
@@ -911,4 +911,24 @@
     private void log(String msg) {
         Log.d(mLogTag, "[IccCard] " + msg);
     }
+
+    protected abstract int getCurrentApplicationIndex();
+
+    public String getAid() {
+        String aid = "";
+        int appIndex = getCurrentApplicationIndex();
+
+        if (appIndex >= 0 && appIndex < IccCardStatus.CARD_MAX_APPS) {
+            IccCardApplication app = mIccCardStatus.getApplication(appIndex);
+            if (app != null) {
+                aid = app.aid;
+            } else {
+                Log.e(mLogTag, "[IccCard] getAid: no current application index=" + appIndex);
+            }
+        } else {
+            Log.e(mLogTag, "[IccCard] getAid: Invalid Subscription Application index=" + appIndex);
+        }
+
+        return aid;
+    }
 }
diff --git a/telephony/java/com/android/internal/telephony/IccCardStatus.java b/telephony/java/com/android/internal/telephony/IccCardStatus.java
index c751a21..a3bdd76 100644
--- a/telephony/java/com/android/internal/telephony/IccCardStatus.java
+++ b/telephony/java/com/android/internal/telephony/IccCardStatus.java
@@ -24,7 +24,7 @@
  * {@hide}
  */
 public class IccCardStatus {
-    static final int CARD_MAX_APPS = 8;
+    public static final int CARD_MAX_APPS = 8;
 
     public enum CardState {
         CARDSTATE_ABSENT,
diff --git a/telephony/java/com/android/internal/telephony/IccFileHandler.java b/telephony/java/com/android/internal/telephony/IccFileHandler.java
index 93b9b79..380bfd1 100644
--- a/telephony/java/com/android/internal/telephony/IccFileHandler.java
+++ b/telephony/java/com/android/internal/telephony/IccFileHandler.java
@@ -145,8 +145,9 @@
             = obtainMessage(EVENT_GET_RECORD_SIZE_DONE,
                         new LoadLinearFixedContext(fileid, recordNum, onLoaded));
 
-        phone.mCM.iccIO(COMMAND_GET_RESPONSE, fileid, getEFPath(fileid),
-                        0, 0, GET_RESPONSE_EF_SIZE_BYTES, null, null, response);
+        phone.mCM.iccIOForApp(COMMAND_GET_RESPONSE, fileid, getEFPath(fileid),
+                        0, 0, GET_RESPONSE_EF_SIZE_BYTES, null, null,
+                        phone.getIccCard().getAid(), response);
     }
 
     /**
@@ -164,9 +165,10 @@
                         onLoaded));
 
         // TODO(): Verify when path changes are done.
-        phone.mCM.iccIO(COMMAND_GET_RESPONSE, IccConstants.EF_IMG, "img",
+        phone.mCM.iccIOForApp(COMMAND_GET_RESPONSE, IccConstants.EF_IMG, "img",
                 recordNum, READ_RECORD_MODE_ABSOLUTE,
-                GET_RESPONSE_EF_IMG_SIZE_BYTES, null, null, response);
+                GET_RESPONSE_EF_IMG_SIZE_BYTES, null, null,
+                phone.getIccCard().getAid(), response);
     }
 
     /**
@@ -182,8 +184,9 @@
         Message response
                 = obtainMessage(EVENT_GET_EF_LINEAR_RECORD_SIZE_DONE,
                         new LoadLinearFixedContext(fileid, onLoaded));
-        phone.mCM.iccIO(COMMAND_GET_RESPONSE, fileid, getEFPath(fileid),
-                    0, 0, GET_RESPONSE_EF_SIZE_BYTES, null, null, response);
+        phone.mCM.iccIOForApp(COMMAND_GET_RESPONSE, fileid, getEFPath(fileid),
+                    0, 0, GET_RESPONSE_EF_SIZE_BYTES, null, null, phone.getIccCard().getAid(),
+                    response);
     }
 
     /**
@@ -199,8 +202,9 @@
         Message response = obtainMessage(EVENT_GET_RECORD_SIZE_DONE,
                         new LoadLinearFixedContext(fileid,onLoaded));
 
-        phone.mCM.iccIO(COMMAND_GET_RESPONSE, fileid, getEFPath(fileid),
-                        0, 0, GET_RESPONSE_EF_SIZE_BYTES, null, null, response);
+        phone.mCM.iccIOForApp(COMMAND_GET_RESPONSE, fileid, getEFPath(fileid),
+                        0, 0, GET_RESPONSE_EF_SIZE_BYTES, null, null,
+                        phone.getIccCard().getAid(), response);
     }
 
     /**
@@ -217,8 +221,9 @@
         Message response = obtainMessage(EVENT_GET_BINARY_SIZE_DONE,
                         fileid, 0, onLoaded);
 
-        phone.mCM.iccIO(COMMAND_GET_RESPONSE, fileid, getEFPath(fileid),
-                        0, 0, GET_RESPONSE_EF_SIZE_BYTES, null, null, response);
+        phone.mCM.iccIOForApp(COMMAND_GET_RESPONSE, fileid, getEFPath(fileid),
+                        0, 0, GET_RESPONSE_EF_SIZE_BYTES, null, null,
+                        phone.getIccCard().getAid(), response);
     }
 
     /**
@@ -236,8 +241,8 @@
         Message response = obtainMessage(EVENT_READ_ICON_DONE, fileid, 0,
                 onLoaded);
 
-        phone.mCM.iccIO(COMMAND_READ_BINARY, fileid, "img", highOffset, lowOffset,
-                length, null, null, response);
+        phone.mCM.iccIOForApp(COMMAND_READ_BINARY, fileid, "img", highOffset, lowOffset,
+                length, null, null, phone.getIccCard().getAid(), response);
     }
 
     /**
@@ -251,9 +256,10 @@
      */
     public void updateEFLinearFixed(int fileid, int recordNum, byte[] data,
             String pin2, Message onComplete) {
-        phone.mCM.iccIO(COMMAND_UPDATE_RECORD, fileid, getEFPath(fileid),
+        phone.mCM.iccIOForApp(COMMAND_UPDATE_RECORD, fileid, getEFPath(fileid),
                         recordNum, READ_RECORD_MODE_ABSOLUTE, data.length,
-                        IccUtils.bytesToHexString(data), pin2, onComplete);
+                        IccUtils.bytesToHexString(data), pin2,
+                        phone.getIccCard().getAid(), onComplete);
     }
 
     /**
@@ -262,9 +268,10 @@
      * @param data must be exactly as long as the EF
      */
     public void updateEFTransparent(int fileid, byte[] data, Message onComplete) {
-        phone.mCM.iccIO(COMMAND_UPDATE_BINARY, fileid, getEFPath(fileid),
+        phone.mCM.iccIOForApp(COMMAND_UPDATE_BINARY, fileid, getEFPath(fileid),
                         0, 0, data.length,
-                        IccUtils.bytesToHexString(data), null, onComplete);
+                        IccUtils.bytesToHexString(data), null,
+                        phone.getIccCard().getAid(), onComplete);
     }
 
 
@@ -395,10 +402,11 @@
                      lc.results = new ArrayList<byte[]>(lc.countRecords);
                  }
 
-                 phone.mCM.iccIO(COMMAND_READ_RECORD, lc.efid, getEFPath(lc.efid),
+                 phone.mCM.iccIOForApp(COMMAND_READ_RECORD, lc.efid, getEFPath(lc.efid),
                          lc.recordNum,
                          READ_RECORD_MODE_ABSOLUTE,
                          lc.recordSize, null, null,
+                         phone.getIccCard().getAid(),
                          obtainMessage(EVENT_READ_RECORD_DONE, lc));
                  break;
             case EVENT_GET_BINARY_SIZE_DONE:
@@ -433,8 +441,9 @@
                 size = ((data[RESPONSE_DATA_FILE_SIZE_1] & 0xff) << 8)
                        + (data[RESPONSE_DATA_FILE_SIZE_2] & 0xff);
 
-                phone.mCM.iccIO(COMMAND_READ_BINARY, fileid, getEFPath(fileid),
+                phone.mCM.iccIOForApp(COMMAND_READ_BINARY, fileid, getEFPath(fileid),
                                 0, 0, size, null, null,
+                                phone.getIccCard().getAid(),
                                 obtainMessage(EVENT_READ_BINARY_DONE,
                                               fileid, 0, response));
             break;
@@ -468,10 +477,11 @@
                     if (lc.recordNum > lc.countRecords) {
                         sendResult(response, lc.results, null);
                     } else {
-                        phone.mCM.iccIO(COMMAND_READ_RECORD, lc.efid, getEFPath(lc.efid),
+                        phone.mCM.iccIOForApp(COMMAND_READ_RECORD, lc.efid, getEFPath(lc.efid),
                                     lc.recordNum,
                                     READ_RECORD_MODE_ABSOLUTE,
                                     lc.recordSize, null, null,
+                                    phone.getIccCard().getAid(),
                                     obtainMessage(EVENT_READ_RECORD_DONE, lc));
                     }
                 }
diff --git a/telephony/java/com/android/internal/telephony/IccRefreshResponse.java b/telephony/java/com/android/internal/telephony/IccRefreshResponse.java
new file mode 100644
index 0000000..6806703
--- /dev/null
+++ b/telephony/java/com/android/internal/telephony/IccRefreshResponse.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2011 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.internal.telephony;
+
+/**
+ * See also RIL_SimRefresh in include/telephony/ril.h
+ *
+ * {@hide}
+ */
+
+public class IccRefreshResponse {
+
+    public static final int REFRESH_RESULT_FILE_UPDATE = 0; /* Single file was updated */
+    public static final int REFRESH_RESULT_INIT = 1;        /* The Icc has been initialized */
+    public static final int REFRESH_RESULT_RESET = 2;       /* The Icc was reset */
+
+    public int             refreshResult;      /* Sim Refresh result */
+    public int             efId;               /* EFID */
+    public String          aid;                /* null terminated string, e.g.,
+                                                  from 0xA0, 0x00 -> 0x41,
+                                                  0x30, 0x30, 0x30 */
+                                               /* Example: a0000000871002f310ffff89080000ff */
+
+    @Override
+    public String toString() {
+        return "{" + refreshResult + ", " + aid +", " + efId + "}";
+    }
+}
diff --git a/telephony/java/com/android/internal/telephony/RIL.java b/telephony/java/com/android/internal/telephony/RIL.java
index 718a4fd..f587fe1 100644
--- a/telephony/java/com/android/internal/telephony/RIL.java
+++ b/telephony/java/com/android/internal/telephony/RIL.java
@@ -52,6 +52,7 @@
 import com.android.internal.telephony.gsm.SuppServiceNotification;
 import com.android.internal.telephony.cdma.CdmaCallWaitingNotification;
 import com.android.internal.telephony.cdma.CdmaInformationRecords;
+import com.android.internal.telephony.IccRefreshResponse;
 
 import java.io.ByteArrayInputStream;
 import java.io.DataInputStream;
@@ -879,9 +880,19 @@
 
     public void
     getIMSI(Message result) {
+        getIMSIForApp(null, result);
+    }
+
+    public void
+    getIMSIForApp(String aid, Message result) {
         RILRequest rr = RILRequest.obtain(RIL_REQUEST_GET_IMSI, result);
 
-        if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
+        rr.mp.writeInt(1);
+        rr.mp.writeString(aid);
+
+        if (RILJ_LOGD) riljLog(rr.serialString() +
+                              "> getIMSI: " + requestToString(rr.mRequest)
+                              + " aid: " + aid);
 
         send(rr);
     }
@@ -1434,6 +1445,11 @@
     public void
     iccIO (int command, int fileid, String path, int p1, int p2, int p3,
             String data, String pin2, Message result) {
+        iccIOForApp(command, fileid, path, p1, p2, p3, data, pin2, null, result);
+    }
+    public void
+    iccIOForApp (int command, int fileid, String path, int p1, int p2, int p3,
+            String data, String pin2, String aid, Message result) {
         //Note: This RIL request has not been renamed to ICC,
         //       but this request is also valid for SIM and RUIM
         RILRequest rr
@@ -1447,12 +1463,15 @@
         rr.mp.writeInt(p3);
         rr.mp.writeString(data);
         rr.mp.writeString(pin2);
+        rr.mp.writeString(aid);
 
-        if (RILJ_LOGD) riljLog(rr.serialString() + "> iccIO: " + requestToString(rr.mRequest)
+        if (RILJ_LOGD) riljLog(rr.serialString() + "> iccIO: "
+                + requestToString(rr.mRequest)
                 + " 0x" + Integer.toHexString(command)
                 + " 0x" + Integer.toHexString(fileid) + " "
                 + " path: " + path + ","
-                + p1 + "," + p2 + "," + p3);
+                + p1 + "," + p2 + "," + p3
+                + " aid: " + aid);
 
         send(rr);
     }
@@ -2419,7 +2438,7 @@
             case RIL_UNSOL_STK_EVENT_NOTIFY: ret = responseString(p); break;
             case RIL_UNSOL_STK_CALL_SETUP: ret = responseInts(p); break;
             case RIL_UNSOL_SIM_SMS_STORAGE_FULL: ret =  responseVoid(p); break;
-            case RIL_UNSOL_SIM_REFRESH: ret =  responseInts(p); break;
+            case RIL_UNSOL_SIM_REFRESH: ret =  responseSimRefresh(p); break;
             case RIL_UNSOL_CALL_RING: ret =  responseCallRing(p); break;
             case RIL_UNSOL_RESTRICTED_STATE_CHANGED: ret = responseInts(p); break;
             case RIL_UNSOL_RESPONSE_SIM_STATUS_CHANGED:  ret =  responseVoid(p); break;
@@ -2976,6 +2995,16 @@
     }
 
     private Object
+    responseSimRefresh(Parcel p) {
+        IccRefreshResponse response = new IccRefreshResponse();
+
+        response.refreshResult = p.readInt();
+        response.efId   = p.readInt();
+        response.aid = p.readString();
+        return response;
+    }
+
+    private Object
     responseCallList(Parcel p) {
         int num;
         int voiceSettings;
diff --git a/telephony/java/com/android/internal/telephony/cdma/CdmaLteUiccFileHandler.java b/telephony/java/com/android/internal/telephony/cdma/CdmaLteUiccFileHandler.java
index b57af0e..8375fd0 100644
--- a/telephony/java/com/android/internal/telephony/cdma/CdmaLteUiccFileHandler.java
+++ b/telephony/java/com/android/internal/telephony/cdma/CdmaLteUiccFileHandler.java
@@ -55,8 +55,8 @@
         if (fileid == EF_CSIM_EPRL) {
             // Entire PRL could be huge. We are only interested in
             // the first 4 bytes of the record.
-            phone.mCM.iccIO(COMMAND_READ_BINARY, fileid, getEFPath(fileid),
-                            0, 0, 4, null, null,
+            phone.mCM.iccIOForApp(COMMAND_READ_BINARY, fileid, getEFPath(fileid),
+                            0, 0, 4, null, null, phone.getIccCard().getAid(),
                             obtainMessage(EVENT_READ_BINARY_DONE,
                                           fileid, 0, onLoaded));
         } else {
diff --git a/telephony/java/com/android/internal/telephony/cdma/RuimCard.java b/telephony/java/com/android/internal/telephony/cdma/RuimCard.java
index 02eb86d..674fada 100644
--- a/telephony/java/com/android/internal/telephony/cdma/RuimCard.java
+++ b/telephony/java/com/android/internal/telephony/cdma/RuimCard.java
@@ -44,5 +44,13 @@
     public String getServiceProviderName () {
         return mPhone.mIccRecords.getServiceProviderName();
     }
+
+    @Override
+    protected int getCurrentApplicationIndex() {
+        if (mIccCardStatus == null) {
+            return -1;
+        }
+        return mIccCardStatus.getCdmaSubscriptionAppIndex();
+    }
  }
 
diff --git a/telephony/java/com/android/internal/telephony/cdma/RuimFileHandler.java b/telephony/java/com/android/internal/telephony/cdma/RuimFileHandler.java
index 3e2a29b..375cc07 100644
--- a/telephony/java/com/android/internal/telephony/cdma/RuimFileHandler.java
+++ b/telephony/java/com/android/internal/telephony/cdma/RuimFileHandler.java
@@ -57,8 +57,9 @@
         Message response = obtainMessage(EVENT_READ_ICON_DONE, fileid, 0,
                 onLoaded);
 
-        phone.mCM.iccIO(COMMAND_GET_RESPONSE, fileid, "img", 0, 0,
-                GET_RESPONSE_EF_IMG_SIZE_BYTES, null, null, response);
+        phone.mCM.iccIOForApp(COMMAND_GET_RESPONSE, fileid, "img", 0, 0,
+                GET_RESPONSE_EF_IMG_SIZE_BYTES, null, null,
+                phone.getIccCard().getAid(), response);
     }
 
     @Override
diff --git a/telephony/java/com/android/internal/telephony/cdma/RuimRecords.java b/telephony/java/com/android/internal/telephony/cdma/RuimRecords.java
index b057e46..17a200e 100755
--- a/telephony/java/com/android/internal/telephony/cdma/RuimRecords.java
+++ b/telephony/java/com/android/internal/telephony/cdma/RuimRecords.java
@@ -29,6 +29,7 @@
 import com.android.internal.telephony.AdnRecordCache;
 import com.android.internal.telephony.AdnRecordLoader;
 import com.android.internal.telephony.CommandsInterface;
+import com.android.internal.telephony.IccRefreshResponse;
 import com.android.internal.telephony.TelephonyProperties;
 import com.android.internal.telephony.cdma.RuimCard;
 import com.android.internal.telephony.MccTable;
@@ -300,7 +301,7 @@
                 isRecordLoadResponse = false;
                 ar = (AsyncResult)msg.obj;
                 if (ar.exception == null) {
-                    handleRuimRefresh((int[])(ar.result));
+                    handleRuimRefresh((IccRefreshResponse)ar.result);
                 }
                 break;
 
@@ -409,24 +410,30 @@
         ((CDMAPhone) phone).notifyMessageWaitingIndicator();
     }
 
-    private void handleRuimRefresh(int[] result) {
-        if (result == null || result.length == 0) {
-            if (DBG) log("handleRuimRefresh without input");
+    private void handleRuimRefresh(IccRefreshResponse refreshResponse) {
+        if (refreshResponse == null) {
+            if (DBG) log("handleRuimRefresh received without input");
             return;
         }
 
-        switch ((result[0])) {
-            case CommandsInterface.SIM_REFRESH_FILE_UPDATED:
+        if (refreshResponse.aid != null &&
+                !refreshResponse.aid.equals(phone.getIccCard().getAid())) {
+            // This is for different app. Ignore.
+            return;
+        }
+
+        switch (refreshResponse.refreshResult) {
+            case IccRefreshResponse.REFRESH_RESULT_FILE_UPDATE:
                 if (DBG) log("handleRuimRefresh with SIM_REFRESH_FILE_UPDATED");
                 adnCache.reset();
                 fetchRuimRecords();
                 break;
-            case CommandsInterface.SIM_REFRESH_INIT:
+            case IccRefreshResponse.REFRESH_RESULT_INIT:
                 if (DBG) log("handleRuimRefresh with SIM_REFRESH_INIT");
                 // need to reload all files (that we care about)
                 fetchRuimRecords();
                 break;
-            case CommandsInterface.SIM_REFRESH_RESET:
+            case IccRefreshResponse.REFRESH_RESULT_RESET:
                 if (DBG) log("handleRuimRefresh with SIM_REFRESH_RESET");
                 phone.mCM.setRadioPower(false, null);
                 /* Note: no need to call setRadioPower(true).  Assuming the desired
diff --git a/telephony/java/com/android/internal/telephony/gsm/SIMRecords.java b/telephony/java/com/android/internal/telephony/gsm/SIMRecords.java
index 7c423c7..de8401e 100755
--- a/telephony/java/com/android/internal/telephony/gsm/SIMRecords.java
+++ b/telephony/java/com/android/internal/telephony/gsm/SIMRecords.java
@@ -39,6 +39,7 @@
 import com.android.internal.telephony.Phone;
 import com.android.internal.telephony.PhoneBase;
 import com.android.internal.telephony.SmsMessageBase;
+import com.android.internal.telephony.IccRefreshResponse;
 
 import java.util.ArrayList;
 
@@ -1049,7 +1050,7 @@
                 ar = (AsyncResult)msg.obj;
                 if (DBG) log("Sim REFRESH with exception: " + ar.exception);
                 if (ar.exception == null) {
-                    handleSimRefresh((int[])(ar.result));
+                    handleSimRefresh((IccRefreshResponse)ar.result);
                 }
                 break;
             case EVENT_GET_CFIS_DONE:
@@ -1130,27 +1131,31 @@
         }
     }
 
-    private void handleSimRefresh(int[] result) {
-        if (result == null || result.length == 0) {
-	    if (DBG) log("handleSimRefresh without input");
+    private void handleSimRefresh(IccRefreshResponse refreshResponse){
+        if (refreshResponse == null) {
+            if (DBG) log("handleSimRefresh received without input");
             return;
         }
 
-        switch ((result[0])) {
-            case CommandsInterface.SIM_REFRESH_FILE_UPDATED:
- 		if (DBG) log("handleSimRefresh with SIM_REFRESH_FILE_UPDATED");
-                // result[1] contains the EFID of the updated file.
-                int efid = result[1];
-                handleFileUpdate(efid);
+        if (refreshResponse.aid != null &&
+                !refreshResponse.aid.equals(phone.getIccCard().getAid())) {
+            // This is for different app. Ignore.
+            return;
+        }
+
+        switch (refreshResponse.refreshResult) {
+            case IccRefreshResponse.REFRESH_RESULT_FILE_UPDATE:
+                if (DBG) log("handleSimRefresh with SIM_FILE_UPDATED");
+                handleFileUpdate(refreshResponse.efId);
                 break;
-            case CommandsInterface.SIM_REFRESH_INIT:
-		if (DBG) log("handleSimRefresh with SIM_REFRESH_INIT");
+            case IccRefreshResponse.REFRESH_RESULT_INIT:
+                if (DBG) log("handleSimRefresh with SIM_REFRESH_INIT");
                 // need to reload all files (that we care about)
                 adnCache.reset();
                 fetchSimRecords();
                 break;
-            case CommandsInterface.SIM_REFRESH_RESET:
-		if (DBG) log("handleSimRefresh with SIM_REFRESH_RESET");
+            case IccRefreshResponse.REFRESH_RESULT_RESET:
+                if (DBG) log("handleSimRefresh with SIM_REFRESH_RESET");
                 phone.mCM.setRadioPower(false, null);
                 /* Note: no need to call setRadioPower(true).  Assuming the desired
                 * radio power state is still ON (as tracked by ServiceStateTracker),
@@ -1162,7 +1167,7 @@
                 break;
             default:
                 // unknown refresh operation
-		if (DBG) log("handleSimRefresh with unknown operation");
+                if (DBG) log("handleSimRefresh with unknown operation");
                 break;
         }
     }
@@ -1304,7 +1309,7 @@
 
         logv("fetchSimRecords " + recordsToLoad);
 
-        phone.mCM.getIMSI(obtainMessage(EVENT_GET_IMSI_DONE));
+        phone.mCM.getIMSIForApp(phone.getIccCard().getAid(), obtainMessage(EVENT_GET_IMSI_DONE));
         recordsToLoad++;
 
         iccFh.loadEFTransparent(EF_ICCID, obtainMessage(EVENT_GET_ICCID_DONE));
diff --git a/telephony/java/com/android/internal/telephony/gsm/SimCard.java b/telephony/java/com/android/internal/telephony/gsm/SimCard.java
index e34e10a..0e68e07 100644
--- a/telephony/java/com/android/internal/telephony/gsm/SimCard.java
+++ b/telephony/java/com/android/internal/telephony/gsm/SimCard.java
@@ -39,4 +39,11 @@
         return mPhone.mIccRecords.getServiceProviderName();
     }
 
+    @Override
+    protected int getCurrentApplicationIndex() {
+        if (mIccCardStatus == null) {
+            return -1;
+        }
+        return mIccCardStatus.getGsmUmtsSubscriptionAppIndex();
+    }
 }
diff --git a/telephony/java/com/android/internal/telephony/sip/SipCommandInterface.java b/telephony/java/com/android/internal/telephony/sip/SipCommandInterface.java
index 9201984..99f4e0f 100644
--- a/telephony/java/com/android/internal/telephony/sip/SipCommandInterface.java
+++ b/telephony/java/com/android/internal/telephony/sip/SipCommandInterface.java
@@ -84,6 +84,9 @@
     public void getIMSI(Message result) {
     }
 
+    public void getIMSIForApp(String aid, Message result) {
+    }
+
     public void getIMEI(Message result) {
     }
 
@@ -213,6 +216,9 @@
     public void iccIO (int command, int fileid, String path, int p1, int p2,
             int p3, String data, String pin2, Message result) {
     }
+    public void iccIOForApp (int command, int fileid, String path, int p1, int p2,
+            int p3, String data, String pin2, String aid, Message result) {
+    }
 
     public void getCLIR(Message result) {
     }
diff --git a/telephony/java/com/android/internal/telephony/test/SimulatedCommands.java b/telephony/java/com/android/internal/telephony/test/SimulatedCommands.java
index 60d9d24..4f61509 100644
--- a/telephony/java/com/android/internal/telephony/test/SimulatedCommands.java
+++ b/telephony/java/com/android/internal/telephony/test/SimulatedCommands.java
@@ -504,6 +504,9 @@
         resultSuccess(result, null);
     }
 
+    public void getIMSI(Message result) {
+        getIMSIForApp(null, result);
+    }
     /**
      *  returned message
      *  retMsg.obj = AsyncResult ar
@@ -511,7 +514,7 @@
      *  ar.userObject contains the original value of result.obj
      *  ar.result is String containing IMSI on success
      */
-    public void getIMSI(Message result) {
+    public void getIMSIForApp(String aid, Message result) {
         resultSuccess(result, "012345678901234");
     }
 
@@ -1042,13 +1045,18 @@
         unimplemented(result);
     }
 
+    public void iccIO(int command, int fileid, String path, int p1, int p2, int p3, String data,
+            String pin2, Message response) {
+        iccIOForApp(command, fileid, path, p1, p2, p3, data,pin2, null, response);
+    }
+
     /**
      * parameters equivalent to 27.007 AT+CRSM command
      * response.obj will be an AsyncResult
      * response.obj.userObj will be a SimIoResult on success
      */
-    public void iccIO (int command, int fileid, String path, int p1, int p2,
-                       int p3, String data, String pin2, Message result) {
+    public void iccIOForApp (int command, int fileid, String path, int p1, int p2,
+                       int p3, String data, String pin2, String aid, Message result) {
         unimplemented(result);
     }
 
diff --git a/telephony/tests/telephonytests/src/com/android/internal/telephony/gsm/UsimDataDownloadCommands.java b/telephony/tests/telephonytests/src/com/android/internal/telephony/gsm/UsimDataDownloadCommands.java
index b385cee..ea6836d 100644
--- a/telephony/tests/telephonytests/src/com/android/internal/telephony/gsm/UsimDataDownloadCommands.java
+++ b/telephony/tests/telephonytests/src/com/android/internal/telephony/gsm/UsimDataDownloadCommands.java
@@ -612,4 +612,13 @@
     @Override
     public void getVoiceRadioTechnology(Message response) {
     }
+
+    @Override
+    public void getIMSIForApp(String aid, Message result) {
+    }
+
+    @Override
+    public void iccIOForApp(int command, int fileid, String path, int p1, int p2, int p3,
+            String data, String pin2, String aid, Message response) {
+    }
 }
diff --git a/test-runner/src/android/test/mock/MockContentProvider.java b/test-runner/src/android/test/mock/MockContentProvider.java
index 4ff943e..a8c388e 100644
--- a/test-runner/src/android/test/mock/MockContentProvider.java
+++ b/test-runner/src/android/test/mock/MockContentProvider.java
@@ -21,7 +21,7 @@
 import android.content.ContentProviderResult;
 import android.content.ContentValues;
 import android.content.Context;
-import android.content.ICancelationSignal;
+import android.content.ICancellationSignal;
 import android.content.IContentProvider;
 import android.content.OperationApplicationException;
 import android.content.pm.PathPermission;
@@ -93,7 +93,7 @@
 
         @Override
         public Cursor query(Uri url, String[] projection, String selection, String[] selectionArgs,
-                String sortOrder, ICancelationSignal cancelationSignal) throws RemoteException {
+                String sortOrder, ICancellationSignal cancellationSignal) throws RemoteException {
             return MockContentProvider.this.query(url, projection, selection,
                     selectionArgs, sortOrder);
         }
@@ -127,7 +127,7 @@
         }
 
         @Override
-        public ICancelationSignal createCancelationSignal() throws RemoteException {
+        public ICancellationSignal createCancellationSignal() throws RemoteException {
             return null;
         }
     }
diff --git a/test-runner/src/android/test/mock/MockIContentProvider.java b/test-runner/src/android/test/mock/MockIContentProvider.java
index 41bc27d..1aa0448 100644
--- a/test-runner/src/android/test/mock/MockIContentProvider.java
+++ b/test-runner/src/android/test/mock/MockIContentProvider.java
@@ -21,7 +21,7 @@
 import android.content.ContentValues;
 import android.content.EntityIterator;
 import android.content.IContentProvider;
-import android.content.ICancelationSignal;
+import android.content.ICancellationSignal;
 import android.content.res.AssetFileDescriptor;
 import android.database.Cursor;
 import android.net.Uri;
@@ -73,7 +73,7 @@
     }
 
     public Cursor query(Uri url, String[] projection, String selection, String[] selectionArgs,
-            String sortOrder, ICancelationSignal cancelationSignal) {
+            String sortOrder, ICancellationSignal cancellationSignal) {
         throw new UnsupportedOperationException("unimplemented mock method");
     }
 
@@ -106,7 +106,7 @@
     }
 
     @Override
-    public ICancelationSignal createCancelationSignal() throws RemoteException {
+    public ICancellationSignal createCancellationSignal() throws RemoteException {
         throw new UnsupportedOperationException("unimplemented mock method");
     }
 }
diff --git a/tests/BiDiTests/res/layout/basic.xml b/tests/BiDiTests/res/layout/basic.xml
index f503658..7d4d4db 100644
--- a/tests/BiDiTests/res/layout/basic.xml
+++ b/tests/BiDiTests/res/layout/basic.xml
@@ -19,6 +19,10 @@
         android:layout_width="fill_parent"
         android:layout_height="fill_parent">
 
+    <ScrollView
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent">
+
     <LinearLayout android:orientation="vertical"
                   android:layout_width="match_parent"
                   android:layout_height="match_parent">
@@ -131,4 +135,6 @@
 
     </LinearLayout>
 
+    </ScrollView>
+
 </FrameLayout>
diff --git a/tests/BiDiTests/res/values/strings.xml b/tests/BiDiTests/res/values/strings.xml
index 1d4fc84..233cd0d 100644
--- a/tests/BiDiTests/res/values/strings.xml
+++ b/tests/BiDiTests/res/values/strings.xml
@@ -24,11 +24,11 @@
     <string name="button_before_text">Start</string>
     <string name="button_requestlayout_text">Request Layout</string>
     <string name="button_alert_dialog_text">AlertDialog</string>
-    <string name="textview_text">This is a text for a TextView</string>
-    <string name="textview_ltr_text">This is a text for a LTR TextView</string>
-    <string name="textview_rtl_text">This is a text for a RTL TextView</string>
-    <string name="textview_default_text">This is a text for a default TextView</string>
-    <string name="textview_password_default_text">This is a text for a password TextView</string>
+    <string name="textview_text">TextView</string>
+    <string name="textview_ltr_text">LTR TextView</string>
+    <string name="textview_rtl_text">RTL TextView</string>
+    <string name="textview_default_text">Default TextView</string>
+    <string name="textview_password_default_text">Password TextView</string>
     <string name="edittext_text">mmmmmmmmmmmmmmmmmmmmmmmm</string>
     <string name="normal_text">Normal String</string>
     <string name="normal_long_text">mmmmmmmmmmmmmmmmmmmmmmmm</string>
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index 5bbcce3..643cb8d 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -30,6 +30,8 @@
         android:label="HwUi"
         android:hardwareAccelerated="true">
 
+        <meta-data android:name="android.graphics.renderThread" android:value="true" />
+
         <activity
                 android:name="PaintDrawFilterActivity"
                 android:label="_DrawFilter">
diff --git a/tools/layoutlib/bridge/.settings/README.txt b/tools/layoutlib/bridge/.settings/README.txt
new file mode 100644
index 0000000..9120b20
--- /dev/null
+++ b/tools/layoutlib/bridge/.settings/README.txt
@@ -0,0 +1,2 @@
+Copy this in eclipse project as a .settings folder at the root.
+This ensure proper compilation compliance and warning/error levels.
\ No newline at end of file
diff --git a/tools/layoutlib/bridge/.settings/org.eclipse.jdt.core.prefs b/tools/layoutlib/bridge/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..5381a0e
--- /dev/null
+++ b/tools/layoutlib/bridge/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,93 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.annotation.nonnull=com.android.annotations.NonNull
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault=com.android.annotations.NonNullByDefault
+org.eclipse.jdt.core.compiler.annotation.nonnullisdefault=disabled
+org.eclipse.jdt.core.compiler.annotation.nullable=com.android.annotations.Nullable
+org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.autoboxing=ignore
+org.eclipse.jdt.core.compiler.problem.comparingIdentical=warning
+org.eclipse.jdt.core.compiler.problem.deadCode=warning
+org.eclipse.jdt.core.compiler.problem.deprecation=warning
+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
+org.eclipse.jdt.core.compiler.problem.emptyStatement=ignore
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
+org.eclipse.jdt.core.compiler.problem.fallthroughCase=warning
+org.eclipse.jdt.core.compiler.problem.fatalOptionalError=enabled
+org.eclipse.jdt.core.compiler.problem.fieldHiding=warning
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=error
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=warning
+org.eclipse.jdt.core.compiler.problem.includeNullInfoFromAsserts=enabled
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
+org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=ignore
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=ignore
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=warning
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=warning
+org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod=warning
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=error
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotationForInterfaceMethodImplementation=enabled
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=ignore
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
+org.eclipse.jdt.core.compiler.problem.nullReference=error
+org.eclipse.jdt.core.compiler.problem.nullSpecInsufficientInfo=warning
+org.eclipse.jdt.core.compiler.problem.nullSpecViolation=error
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
+org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=warning
+org.eclipse.jdt.core.compiler.problem.potentialNullReference=warning
+org.eclipse.jdt.core.compiler.problem.potentialNullSpecViolation=error
+org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=warning
+org.eclipse.jdt.core.compiler.problem.rawTypeReference=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullCheck=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
+org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
+org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
+org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems=disabled
+org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
+org.eclipse.jdt.core.compiler.problem.unclosedCloseable=error
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=ignore
+org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=ignore
+org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=warning
+org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=warning
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=disabled
+org.eclipse.jdt.core.compiler.problem.unusedImport=warning
+org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
+org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
+org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation=warning
+org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
+org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
+org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
+org.eclipse.jdt.core.compiler.source=1.6
diff --git a/tools/layoutlib/bridge/src/android/animation/AnimationThread.java b/tools/layoutlib/bridge/src/android/animation/AnimationThread.java
index af83c61..b46134a 100644
--- a/tools/layoutlib/bridge/src/android/animation/AnimationThread.java
+++ b/tools/layoutlib/bridge/src/android/animation/AnimationThread.java
@@ -23,11 +23,10 @@
 import com.android.layoutlib.bridge.Bridge;
 import com.android.layoutlib.bridge.impl.RenderSessionImpl;
 
-import android.animation.ValueAnimator;
 import android.os.Handler;
 import android.os.Handler_Delegate;
-import android.os.Message;
 import android.os.Handler_Delegate.IHandlerCallback;
+import android.os.Message;
 
 import java.util.PriorityQueue;
 import java.util.Queue;
@@ -57,6 +56,7 @@
             mUptimeMillis = uptimeMillis;
         }
 
+        @Override
         public int compareTo(MessageBundle bundle) {
             if (mUptimeMillis < bundle.mUptimeMillis) {
                 return -1;
@@ -85,6 +85,7 @@
         Bridge.prepareThread();
         try {
             Handler_Delegate.setCallback(new IHandlerCallback() {
+                @Override
                 public void sendMessageAtTime(Handler handler, Message msg, long uptimeMillis) {
                     if (msg.what == ValueAnimator.ANIMATION_START /*||
                             FIXME: The ANIMATION_FRAME message no longer exists.  Instead,
diff --git a/tools/layoutlib/bridge/src/android/graphics/BitmapShader_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/BitmapShader_Delegate.java
index 9a8cf04..65a75b0 100644
--- a/tools/layoutlib/bridge/src/android/graphics/BitmapShader_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/BitmapShader_Delegate.java
@@ -105,6 +105,7 @@
             mTileModeY = tileModeY;
         }
 
+        @Override
         public java.awt.PaintContext createContext(
                 java.awt.image.ColorModel      colorModel,
                 java.awt.Rectangle             deviceBounds,
@@ -148,13 +149,16 @@
                 mColorModel = colorModel;
             }
 
+            @Override
             public void dispose() {
             }
 
+            @Override
             public java.awt.image.ColorModel getColorModel() {
                 return mColorModel;
             }
 
+            @Override
             public java.awt.image.Raster getRaster(int x, int y, int w, int h) {
                 java.awt.image.BufferedImage image = new java.awt.image.BufferedImage(w, h,
                         java.awt.image.BufferedImage.TYPE_INT_ARGB);
@@ -240,6 +244,7 @@
         }
 
 
+        @Override
         public int getTransparency() {
             return java.awt.Paint.TRANSLUCENT;
         }
diff --git a/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
index f797836..16f1575 100644
--- a/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/Canvas_Delegate.java
@@ -291,6 +291,7 @@
             Paint paint) {
         draw(thisCanvas.mNativeCanvas, paint.mNativePaint, false /*compositeOnly*/,
                 false /*forceSrcMode*/, new GcSnapshot.Drawable() {
+                    @Override
                     public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                         for (int i = 0 ; i < count ; i += 4) {
                             graphics.drawLine((int)pts[i + offset], (int)pts[i + offset + 1],
@@ -619,6 +620,7 @@
         final int h = canvasDelegate.mBitmap.getImage().getHeight();
         draw(nativeCanvas, new GcSnapshot.Drawable() {
 
+            @Override
             public void draw(Graphics2D graphics, Paint_Delegate paint) {
                 // reset its transform just in case
                 graphics.setTransform(new AffineTransform());
@@ -651,6 +653,7 @@
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
+                    @Override
                     public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                         graphics.drawLine((int)startX, (int)startY, (int)stopX, (int)stopY);
                     }
@@ -669,6 +672,7 @@
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
+                    @Override
                     public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                         int style = paintDelegate.getStyle();
 
@@ -693,6 +697,7 @@
         if (oval.right > oval.left && oval.bottom > oval.top) {
             draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                     new GcSnapshot.Drawable() {
+                        @Override
                         public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                             int style = paintDelegate.getStyle();
 
@@ -728,6 +733,7 @@
         if (oval.right > oval.left && oval.bottom > oval.top) {
             draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                     new GcSnapshot.Drawable() {
+                        @Override
                         public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                             int style = paintDelegate.getStyle();
 
@@ -757,6 +763,7 @@
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
+                    @Override
                     public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                         int style = paintDelegate.getStyle();
 
@@ -789,6 +796,7 @@
 
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
+                    @Override
                     public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                         Shape shape = pathDelegate.getJavaShape();
                         int style = paintDelegate.getStyle();
@@ -892,6 +900,7 @@
 
         draw(nativeCanvas, nativePaintOrZero, true /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
+                    @Override
                     public void draw(Graphics2D graphics, Paint_Delegate paint) {
                         if (paint != null && paint.isFilterBitmap()) {
                             graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
@@ -931,6 +940,7 @@
         final AffineTransform mtx = matrixDelegate.getAffineTransform();
 
         canvasDelegate.getSnapshot().draw(new GcSnapshot.Drawable() {
+                @Override
                 public void draw(Graphics2D graphics, Paint_Delegate paint) {
                     if (paint != null && paint.isFilterBitmap()) {
                         graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
@@ -970,6 +980,7 @@
             final float startX, final float startY, int flags, int paint) {
         draw(nativeCanvas, paint, false /*compositeOnly*/, false /*forceSrcMode*/,
                 new GcSnapshot.Drawable() {
+            @Override
             public void draw(Graphics2D graphics, Paint_Delegate paintDelegate) {
                 // WARNING: the logic in this method is similar to Paint_Delegate.measureText.
                 // Any change to this method should be reflected in Paint.measureText
@@ -1279,6 +1290,7 @@
 
         draw(nativeCanvas, nativePaintOrZero, true /*compositeOnly*/, sBoolOut[0],
                 new GcSnapshot.Drawable() {
+                    @Override
                     public void draw(Graphics2D graphics, Paint_Delegate paint) {
                         if (paint != null && paint.isFilterBitmap()) {
                             graphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
diff --git a/tools/layoutlib/bridge/src/android/graphics/Gradient_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/Gradient_Delegate.java
index 38c092d..7475c22 100644
--- a/tools/layoutlib/bridge/src/android/graphics/Gradient_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/Gradient_Delegate.java
@@ -87,6 +87,7 @@
             mTileMode = tileMode;
         }
 
+        @Override
         public int getTransparency() {
             return java.awt.Paint.TRANSLUCENT;
         }
diff --git a/tools/layoutlib/bridge/src/android/graphics/LinearGradient_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/LinearGradient_Delegate.java
index a2ba758..f117fca 100644
--- a/tools/layoutlib/bridge/src/android/graphics/LinearGradient_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/LinearGradient_Delegate.java
@@ -132,6 +132,7 @@
             mDSize2 = mDx * mDx + mDy * mDy;
         }
 
+        @Override
         public java.awt.PaintContext createContext(
                 java.awt.image.ColorModel      colorModel,
                 java.awt.Rectangle             deviceBounds,
@@ -176,13 +177,16 @@
                 mColorModel = colorModel;
             }
 
+            @Override
             public void dispose() {
             }
 
+            @Override
             public java.awt.image.ColorModel getColorModel() {
                 return mColorModel;
             }
 
+            @Override
             public java.awt.image.Raster getRaster(int x, int y, int w, int h) {
                 java.awt.image.BufferedImage image = new java.awt.image.BufferedImage(w, h,
                         java.awt.image.BufferedImage.TYPE_INT_ARGB);
diff --git a/tools/layoutlib/bridge/src/android/graphics/NinePatch_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/NinePatch_Delegate.java
index 5e882ce..be27b54 100644
--- a/tools/layoutlib/bridge/src/android/graphics/NinePatch_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/NinePatch_Delegate.java
@@ -215,6 +215,7 @@
         Paint_Delegate paint_delegate = Paint_Delegate.getDelegate(paint_instance_or_null);
 
         canvas_delegate.getSnapshot().draw(new GcSnapshot.Drawable() {
+                @Override
                 public void draw(Graphics2D graphics, Paint_Delegate paint) {
                     chunkObject.draw(bitmap_delegate.getImage(), graphics,
                             left, top, right - left, bottom - top, destDensity, srcDensity);
diff --git a/tools/layoutlib/bridge/src/android/graphics/RadialGradient_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/RadialGradient_Delegate.java
index 9bf78b4..3fe45fa 100644
--- a/tools/layoutlib/bridge/src/android/graphics/RadialGradient_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/RadialGradient_Delegate.java
@@ -118,6 +118,7 @@
             mRadius = radius;
         }
 
+        @Override
         public java.awt.PaintContext createContext(
                 java.awt.image.ColorModel     colorModel,
                 java.awt.Rectangle            deviceBounds,
@@ -162,13 +163,16 @@
                 mColorModel = colorModel;
             }
 
+            @Override
             public void dispose() {
             }
 
+            @Override
             public java.awt.image.ColorModel getColorModel() {
                 return mColorModel;
             }
 
+            @Override
             public java.awt.image.Raster getRaster(int x, int y, int w, int h) {
                 java.awt.image.BufferedImage image = new java.awt.image.BufferedImage(w, h,
                         java.awt.image.BufferedImage.TYPE_INT_ARGB);
diff --git a/tools/layoutlib/bridge/src/android/graphics/SweepGradient_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/SweepGradient_Delegate.java
index 966e06e..13ae12e 100644
--- a/tools/layoutlib/bridge/src/android/graphics/SweepGradient_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/SweepGradient_Delegate.java
@@ -110,6 +110,7 @@
             mCy = cy;
         }
 
+        @Override
         public java.awt.PaintContext createContext(
                 java.awt.image.ColorModel     colorModel,
                 java.awt.Rectangle            deviceBounds,
@@ -154,13 +155,16 @@
                 mColorModel = colorModel;
             }
 
+            @Override
             public void dispose() {
             }
 
+            @Override
             public java.awt.image.ColorModel getColorModel() {
                 return mColorModel;
             }
 
+            @Override
             public java.awt.image.Raster getRaster(int x, int y, int w, int h) {
                 java.awt.image.BufferedImage image = new java.awt.image.BufferedImage(w, h,
                         java.awt.image.BufferedImage.TYPE_INT_ARGB);
diff --git a/tools/layoutlib/bridge/src/android/view/SurfaceView.java b/tools/layoutlib/bridge/src/android/view/SurfaceView.java
index ce32da9..6aa4b3b 100644
--- a/tools/layoutlib/bridge/src/android/view/SurfaceView.java
+++ b/tools/layoutlib/bridge/src/android/view/SurfaceView.java
@@ -27,7 +27,7 @@
  * Mock version of the SurfaceView.
  * Only non override public methods from the real SurfaceView have been added in there.
  * Methods that take an unknown class as parameter or as return object, have been removed for now.
- * 
+ *
  * TODO: generate automatically.
  *
  */
@@ -36,7 +36,7 @@
     public SurfaceView(Context context) {
         this(context, null);
     }
-    
+
     public SurfaceView(Context context, AttributeSet attrs) {
         this(context, attrs , 0);
     }
@@ -44,53 +44,66 @@
     public SurfaceView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
     }
-    
+
     public SurfaceHolder getHolder() {
         return mSurfaceHolder;
     }
 
     private SurfaceHolder mSurfaceHolder = new SurfaceHolder() {
-        
+
+        @Override
         public boolean isCreating() {
             return false;
         }
 
+        @Override
         public void addCallback(Callback callback) {
         }
 
+        @Override
         public void removeCallback(Callback callback) {
         }
-        
+
+        @Override
         public void setFixedSize(int width, int height) {
         }
 
+        @Override
         public void setSizeFromLayout() {
         }
 
+        @Override
         public void setFormat(int format) {
         }
 
+        @Override
         public void setType(int type) {
         }
 
+        @Override
         public void setKeepScreenOn(boolean screenOn) {
         }
-        
+
+        @Override
         public Canvas lockCanvas() {
             return null;
         }
 
+        @Override
         public Canvas lockCanvas(Rect dirty) {
             return null;
         }
 
+        @Override
         public void unlockCanvasAndPost(Canvas canvas) {
         }
 
+        @Override
         public Surface getSurface() {
             return null;
         }
 
+        @Override
         public Rect getSurfaceFrame() {
             return null;
         }
diff --git a/tools/layoutlib/bridge/src/com/android/internal/textservice/ITextServicesManager_Stub_Delegate.java b/tools/layoutlib/bridge/src/com/android/internal/textservice/ITextServicesManager_Stub_Delegate.java
index 9efdcaf..3017292 100644
--- a/tools/layoutlib/bridge/src/com/android/internal/textservice/ITextServicesManager_Stub_Delegate.java
+++ b/tools/layoutlib/bridge/src/com/android/internal/textservice/ITextServicesManager_Stub_Delegate.java
@@ -43,28 +43,33 @@
 
     private static class FakeTextServicesManager implements ITextServicesManager {
 
+        @Override
         public void finishSpellCheckerService(ISpellCheckerSessionListener arg0)
                 throws RemoteException {
             // TODO Auto-generated method stub
 
         }
 
+        @Override
         public SpellCheckerInfo getCurrentSpellChecker(String arg0) throws RemoteException {
             // TODO Auto-generated method stub
             return null;
         }
 
+        @Override
         public SpellCheckerSubtype getCurrentSpellCheckerSubtype(String arg0, boolean arg1)
                 throws RemoteException {
             // TODO Auto-generated method stub
             return null;
         }
 
+        @Override
         public SpellCheckerInfo[] getEnabledSpellCheckers() throws RemoteException {
             // TODO Auto-generated method stub
             return null;
         }
 
+        @Override
         public void getSpellCheckerService(String arg0, String arg1,
                 ITextServicesSessionListener arg2, ISpellCheckerSessionListener arg3, Bundle arg4)
                 throws RemoteException {
@@ -72,26 +77,31 @@
 
         }
 
+        @Override
         public boolean isSpellCheckerEnabled() throws RemoteException {
             // TODO Auto-generated method stub
             return false;
         }
 
+        @Override
         public void setCurrentSpellChecker(String arg0, String arg1) throws RemoteException {
             // TODO Auto-generated method stub
 
         }
 
+        @Override
         public void setCurrentSpellCheckerSubtype(String arg0, int arg1) throws RemoteException {
             // TODO Auto-generated method stub
 
         }
 
+        @Override
         public void setSpellCheckerEnabled(boolean arg0) throws RemoteException {
             // TODO Auto-generated method stub
 
         }
 
+        @Override
         public IBinder asBinder() {
             // TODO Auto-generated method stub
             return null;
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java
index c64ab65..e28866e 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java
@@ -19,7 +19,7 @@
 import android.content.ContentProviderOperation;
 import android.content.ContentProviderResult;
 import android.content.ContentValues;
-import android.content.ICancelationSignal;
+import android.content.ICancellationSignal;
 import android.content.IContentProvider;
 import android.content.OperationApplicationException;
 import android.content.res.AssetFileDescriptor;
@@ -92,7 +92,7 @@
 
     @Override
     public Cursor query(Uri arg0, String[] arg1, String arg2, String[] arg3, String arg4,
-            ICancelationSignal arg5) throws RemoteException {
+            ICancellationSignal arg5) throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
@@ -124,7 +124,7 @@
     }
 
     @Override
-    public ICancelationSignal createCancelationSignal() throws RemoteException {
+    public ICancellationSignal createCancellationSignal() throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeIInputMethodManager.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeIInputMethodManager.java
index 2a52888..db0694c 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeIInputMethodManager.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeIInputMethodManager.java
@@ -37,151 +37,179 @@
  */
 public class BridgeIInputMethodManager implements IInputMethodManager {
 
+    @Override
     public void addClient(IInputMethodClient arg0, IInputContext arg1, int arg2, int arg3)
             throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void finishInput(IInputMethodClient arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public InputMethodSubtype getCurrentInputMethodSubtype() throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public List<InputMethodInfo> getEnabledInputMethodList() throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo arg0,
             boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public List<InputMethodInfo> getInputMethodList() throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public InputMethodSubtype getLastInputMethodSubtype() throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public List getShortcutInputMethodsAndSubtypes() throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public void hideMySoftInput(IBinder arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public boolean hideSoftInput(IInputMethodClient arg0, int arg1, ResultReceiver arg2)
             throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean notifySuggestionPicked(SuggestionSpan arg0, String arg1, int arg2)
             throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public void registerSuggestionSpansForNotification(SuggestionSpan[] arg0)
             throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void removeClient(IInputMethodClient arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setAdditionalInputMethodSubtypes(String arg0, InputMethodSubtype[] arg1)
             throws RemoteException {
         // TODO Auto-generated method stub
     }
 
+    @Override
     public boolean setCurrentInputMethodSubtype(InputMethodSubtype arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public void setImeWindowStatus(IBinder arg0, int arg1, int arg2) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setInputMethod(IBinder arg0, String arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setInputMethodAndSubtype(IBinder arg0, String arg1, InputMethodSubtype arg2)
             throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public boolean setInputMethodEnabled(String arg0, boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public void showInputMethodAndSubtypeEnablerFromClient(IInputMethodClient arg0, String arg1)
             throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void showInputMethodPickerFromClient(IInputMethodClient arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void showMySoftInput(IBinder arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public boolean showSoftInput(IInputMethodClient arg0, int arg1, ResultReceiver arg2)
             throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public InputBindResult startInput(IInputMethodClient arg0, IInputContext arg1, EditorInfo arg2,
             boolean arg3, boolean arg4) throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public boolean switchToLastInputMethod(IBinder arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public void updateStatusIcon(IBinder arg0, String arg1, int arg2) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void windowGainedFocus(IInputMethodClient arg0, IBinder arg1, boolean arg2,
             boolean arg3, int arg4, boolean arg5, int arg6) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public IBinder asBinder() {
         // TODO Auto-generated method stub
         return null;
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeLayoutParamsMapAttributes.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeLayoutParamsMapAttributes.java
index d208408..f5912e7 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeLayoutParamsMapAttributes.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeLayoutParamsMapAttributes.java
@@ -37,6 +37,7 @@
         mAttributes = attributes;
     }
 
+    @Override
     public String getAttributeValue(String namespace, String name) {
         if (BridgeConstants.NS_RESOURCES.equals(namespace)) {
             return mAttributes.get(name);
@@ -49,93 +50,114 @@
     // BridgeContext#obtainStyledAttributes(AttributeSet, int[], int, int)
     // Should they ever be called, we'll just implement them on a need basis.
 
+    @Override
     public int getAttributeCount() {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public String getAttributeName(int index) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public String getAttributeValue(int index) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public String getPositionDescription() {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeNameResource(int index) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeListValue(String namespace, String attribute,
             String[] options, int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public boolean getAttributeBooleanValue(String namespace, String attribute,
             boolean defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeResourceValue(String namespace, String attribute,
             int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeIntValue(String namespace, String attribute,
             int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeUnsignedIntValue(String namespace, String attribute,
             int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public float getAttributeFloatValue(String namespace, String attribute,
             float defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeListValue(int index,
             String[] options, int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public boolean getAttributeBooleanValue(int index, boolean defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeResourceValue(int index, int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeIntValue(int index, int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getAttributeUnsignedIntValue(int index, int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public float getAttributeFloatValue(int index, float defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public String getIdAttribute() {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public String getClassAttribute() {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getIdAttributeResourceValue(int defaultValue) {
         throw new UnsupportedOperationException();
     }
 
+    @Override
     public int getStyleAttribute() {
         throw new UnsupportedOperationException();
     }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindow.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindow.java
index e13380e..79606a4 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindow.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindow.java
@@ -24,72 +24,67 @@
 import android.os.RemoteException;
 import android.view.DragEvent;
 import android.view.IWindow;
-import android.view.KeyEvent;
-import android.view.MotionEvent;
 
 /**
  * Implementation of {@link IWindow} to pass to the AttachInfo.
  */
 public final class BridgeWindow implements IWindow {
 
+    @Override
     public void dispatchAppVisibility(boolean arg0) throws RemoteException {
         // pass for now.
     }
 
+    @Override
     public void dispatchGetNewSurface() throws RemoteException {
         // pass for now.
     }
-
-    public void dispatchKey(KeyEvent arg0) throws RemoteException {
-        // pass for now.
-    }
-
-    public void dispatchPointer(MotionEvent arg0, long arg1, boolean arg2) throws RemoteException {
-        // pass for now.
-    }
-
-    public void dispatchTrackball(MotionEvent arg0, long arg1, boolean arg2)
-    throws RemoteException {
-        // pass for now.
-    }
-
+    @Override
     public void executeCommand(String arg0, String arg1, ParcelFileDescriptor arg2)
             throws RemoteException {
         // pass for now.
     }
 
+    @Override
     public void resized(int arg0, int arg1, Rect arg2, Rect arg3, boolean arg4, Configuration arg5)
             throws RemoteException {
         // pass for now.
     }
 
+    @Override
     public void windowFocusChanged(boolean arg0, boolean arg1) throws RemoteException {
         // pass for now.
     }
 
+    @Override
     public void dispatchWallpaperOffsets(float x, float y, float xStep, float yStep,
             boolean sync) {
         // pass for now.
     }
 
+    @Override
     public void dispatchWallpaperCommand(String action, int x, int y,
             int z, Bundle extras, boolean sync) {
         // pass for now.
     }
 
+    @Override
     public void closeSystemDialogs(String reason) {
         // pass for now.
     }
 
+    @Override
     public void dispatchDragEvent(DragEvent event) {
         // pass for now.
     }
 
+    @Override
     public void dispatchSystemUiVisibilityChanged(int seq, int globalUi,
             int localValue, int localChanges) {
         // pass for now.
     }
 
+    @Override
     public IBinder asBinder() {
         // pass for now.
         return null;
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindowManager.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindowManager.java
index 516725e..bef2c95 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindowManager.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindowManager.java
@@ -67,288 +67,345 @@
 
     // ---- implementation of IWindowManager that we care about ----
 
+    @Override
     public int getRotation() throws RemoteException {
         return mRotation;
     }
 
+    @Override
     public int getMaximumSizeDimension() throws RemoteException {
         return 0;
     }
 
+    @Override
     public void getDisplaySize(Point arg0) throws RemoteException {
     }
 
+    @Override
     public void getRealDisplaySize(Point arg0) throws RemoteException {
     }
 
     // ---- unused implementation of IWindowManager ----
 
+    @Override
     public boolean canStatusBarHide() throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public void addAppToken(int arg0, IApplicationToken arg1, int arg2, int arg3, boolean arg4)
             throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void addWindowToken(IBinder arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void clearForcedDisplaySize() throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void closeSystemDialogs(String arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void disableKeyguard(IBinder arg0, String arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void executeAppTransition() throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void exitKeyguardSecurely(IOnKeyguardExitResult arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void freezeRotation(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public float getAnimationScale(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public float[] getAnimationScales() throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public int getAppOrientation(IApplicationToken arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public int getDPadKeycodeState(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public int getDPadScancodeState(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
 
+    @Override
     public InputDevice getInputDevice(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public int[] getInputDeviceIds() throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public int getKeycodeState(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public int getKeycodeStateForDevice(int arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
 
+    @Override
     public int getPendingAppTransition() throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
 
+    @Override
     public int getScancodeState(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public int getScancodeStateForDevice(int arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public int getSwitchState(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public int getSwitchStateForDevice(int arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public int getTrackballKeycodeState(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public int getTrackballScancodeState(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public boolean hasKeys(int[] arg0, boolean[] arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean inKeyguardRestrictedInputMode() throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean injectInputEventNoWait(InputEvent arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean injectKeyEvent(KeyEvent arg0, boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean injectPointerEvent(MotionEvent arg0, boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean injectTrackballEvent(MotionEvent arg0, boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean inputMethodClientHasFocus(IInputMethodClient arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean isKeyguardLocked() throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean isKeyguardSecure() throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public boolean isViewServerRunning() throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public InputChannel monitorInput(String arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public void moveAppToken(int arg0, IBinder arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void moveAppTokensToBottom(List<IBinder> arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void moveAppTokensToTop(List<IBinder> arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public IWindowSession openSession(IInputMethodClient arg0, IInputContext arg1)
             throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public void overridePendingAppTransition(String arg0, int arg1, int arg2)
             throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void pauseKeyDispatching(IBinder arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void prepareAppTransition(int arg0, boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void reenableKeyguard(IBinder arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void removeAppToken(IBinder arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void removeWindowToken(IBinder arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void resumeKeyDispatching(IBinder arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public Bitmap screenshotApplications(IBinder arg0, int arg1, int arg2) throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public void setAnimationScale(int arg0, float arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setAnimationScales(float[] arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setAppGroupId(IBinder arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setAppOrientation(IApplicationToken arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setAppStartingWindow(IBinder arg0, String arg1, int arg2, CompatibilityInfo arg3,
             CharSequence arg4, int arg5, int arg6, int arg7, IBinder arg8, boolean arg9)
             throws RemoteException {
@@ -356,122 +413,147 @@
 
     }
 
+    @Override
     public void setAppVisibility(IBinder arg0, boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setAppWillBeHidden(IBinder arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setEventDispatching(boolean arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setFocusedApp(IBinder arg0, boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setForcedDisplaySize(int arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setInTouchMode(boolean arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setNewConfiguration(Configuration arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setPointerSpeed(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void updateRotation(boolean arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void setStrictModeVisualIndicatorPreference(String arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void showStrictModeViolation(boolean arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void startAppFreezingScreen(IBinder arg0, int arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public boolean startViewServer(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public void statusBarVisibilityChanged(int arg0) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public void stopAppFreezingScreen(IBinder arg0, boolean arg1) throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public boolean stopViewServer() throws RemoteException {
         // TODO Auto-generated method stub
         return false;
     }
 
+    @Override
     public void thawRotation() throws RemoteException {
         // TODO Auto-generated method stub
 
     }
 
+    @Override
     public Configuration updateOrientationFromAppTokens(Configuration arg0, IBinder arg1)
             throws RemoteException {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public int watchRotation(IRotationWatcher arg0) throws RemoteException {
         // TODO Auto-generated method stub
         return 0;
     }
 
+    @Override
     public void waitForWindowDrawn(IBinder token, IRemoteCallback callback) {
         // TODO Auto-generated method stub
     }
-    
+
+    @Override
     public IBinder asBinder() {
         // TODO Auto-generated method stub
         return null;
     }
 
+    @Override
     public int getPreferredOptionsPanelGravity() throws RemoteException {
         return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
     }
 
+    @Override
     public void dismissKeyguard() {
     }
 
+    @Override
     public boolean hasNavigationBar() {
         return false; // should this return something else?
     }
 
+    @Override
     public void lockNow() {
         // TODO Auto-generated method stub
     }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindowSession.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindowSession.java
index a640a91..d3721ed 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindowSession.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeWindowSession.java
@@ -26,7 +26,6 @@
 import android.view.IWindow;
 import android.view.IWindowSession;
 import android.view.InputChannel;
-import android.view.MotionEvent;
 import android.view.Surface;
 import android.view.SurfaceView;
 import android.view.WindowManager.LayoutParams;
@@ -37,6 +36,7 @@
  */
 public final class BridgeWindowSession implements IWindowSession {
 
+    @Override
     public int add(IWindow arg0, int seq, LayoutParams arg1, int arg2, Rect arg3,
             InputChannel outInputchannel)
             throws RemoteException {
@@ -44,40 +44,30 @@
         return 0;
     }
 
+    @Override
     public int addWithoutInputChannel(IWindow arg0, int seq, LayoutParams arg1, int arg2, Rect arg3)
             throws RemoteException {
         // pass for now.
         return 0;
     }
 
+    @Override
     public void finishDrawing(IWindow arg0) throws RemoteException {
         // pass for now.
     }
 
-    public void finishKey(IWindow arg0) throws RemoteException {
-        // pass for now.
-    }
-
+    @Override
     public boolean getInTouchMode() throws RemoteException {
         // pass for now.
         return false;
     }
 
+    @Override
     public boolean performHapticFeedback(IWindow window, int effectId, boolean always) {
         // pass for now.
         return false;
     }
-
-    public MotionEvent getPendingPointerMove(IWindow arg0) throws RemoteException {
-        // pass for now.
-        return null;
-    }
-
-    public MotionEvent getPendingTrackballMove(IWindow arg0) throws RemoteException {
-        // pass for now.
-        return null;
-    }
-
+    @Override
     public int relayout(IWindow arg0, int seq, LayoutParams arg1, int arg2, int arg3, int arg4,
             int arg4_5, Rect arg5, Rect arg6, Rect arg7, Configuration arg7b, Surface arg8)
             throws RemoteException {
@@ -85,35 +75,43 @@
         return 0;
     }
 
+    @Override
     public void performDeferredDestroy(IWindow window) {
         // pass for now.
     }
 
+    @Override
     public boolean outOfMemory(IWindow window) throws RemoteException {
         return false;
     }
 
+    @Override
     public void getDisplayFrame(IWindow window, Rect outDisplayFrame) {
         // pass for now.
     }
 
+    @Override
     public void remove(IWindow arg0) throws RemoteException {
         // pass for now.
     }
 
+    @Override
     public void setInTouchMode(boolean arg0) throws RemoteException {
         // pass for now.
     }
 
+    @Override
     public void setTransparentRegion(IWindow arg0, Region arg1) throws RemoteException {
         // pass for now.
     }
 
+    @Override
     public void setInsets(IWindow window, int touchable, Rect contentInsets,
             Rect visibleInsets, Region touchableRegion) {
         // pass for now.
     }
 
+    @Override
     public IBinder prepareDrag(IWindow window, int flags,
             int thumbnailWidth, int thumbnailHeight, Surface outSurface)
             throws RemoteException {
@@ -121,6 +119,7 @@
         return null;
     }
 
+    @Override
     public boolean performDrag(IWindow window, IBinder dragToken,
             float touchX, float touchY, float thumbCenterX, float thumbCenterY,
             ClipData data)
@@ -129,49 +128,47 @@
         return false;
     }
 
+    @Override
     public void reportDropResult(IWindow window, boolean consumed) throws RemoteException {
         // pass for now
     }
 
+    @Override
     public void dragRecipientEntered(IWindow window) throws RemoteException {
         // pass for now
     }
 
+    @Override
     public void dragRecipientExited(IWindow window) throws RemoteException {
         // pass for now
     }
 
+    @Override
     public void setWallpaperPosition(IBinder window, float x, float y,
         float xStep, float yStep) {
         // pass for now.
     }
 
+    @Override
     public void wallpaperOffsetsComplete(IBinder window) {
         // pass for now.
     }
 
+    @Override
     public Bundle sendWallpaperCommand(IBinder window, String action, int x, int y,
             int z, Bundle extras, boolean sync) {
         // pass for now.
         return null;
     }
 
+    @Override
     public void wallpaperCommandComplete(IBinder window, Bundle result) {
         // pass for now.
     }
 
-    public void closeSystemDialogs(String reason) {
-        // pass for now.
-    }
-
+    @Override
     public IBinder asBinder() {
         // pass for now.
         return null;
     }
-
-    public IBinder prepareDrag(IWindow arg0, boolean arg1, int arg2, int arg3, Surface arg4)
-            throws RemoteException {
-        // TODO Auto-generated method stub
-        return null;
-    }
 }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeXmlBlockParser.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeXmlBlockParser.java
index f8ed4f7..ac8712e 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeXmlBlockParser.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeXmlBlockParser.java
@@ -95,6 +95,7 @@
 
     // ------- XmlResourceParser implementation
 
+    @Override
     public void setFeature(String name, boolean state)
             throws XmlPullParserException {
         if (FEATURE_PROCESS_NAMESPACES.equals(name) && state) {
@@ -106,6 +107,7 @@
         throw new XmlPullParserException("Unsupported feature: " + name);
     }
 
+    @Override
     public boolean getFeature(String name) {
         if (FEATURE_PROCESS_NAMESPACES.equals(name)) {
             return true;
@@ -116,82 +118,101 @@
         return false;
     }
 
+    @Override
     public void setProperty(String name, Object value) throws XmlPullParserException {
         throw new XmlPullParserException("setProperty() not supported");
     }
 
+    @Override
     public Object getProperty(String name) {
         return null;
     }
 
+    @Override
     public void setInput(Reader in) throws XmlPullParserException {
         mParser.setInput(in);
     }
 
+    @Override
     public void setInput(InputStream inputStream, String inputEncoding)
             throws XmlPullParserException {
         mParser.setInput(inputStream, inputEncoding);
     }
 
+    @Override
     public void defineEntityReplacementText(String entityName,
             String replacementText) throws XmlPullParserException {
         throw new XmlPullParserException(
                 "defineEntityReplacementText() not supported");
     }
 
+    @Override
     public String getNamespacePrefix(int pos) throws XmlPullParserException {
         throw new XmlPullParserException("getNamespacePrefix() not supported");
     }
 
+    @Override
     public String getInputEncoding() {
         return null;
     }
 
+    @Override
     public String getNamespace(String prefix) {
         throw new RuntimeException("getNamespace() not supported");
     }
 
+    @Override
     public int getNamespaceCount(int depth) throws XmlPullParserException {
         throw new XmlPullParserException("getNamespaceCount() not supported");
     }
 
+    @Override
     public String getPositionDescription() {
         return "Binary XML file line #" + getLineNumber();
     }
 
+    @Override
     public String getNamespaceUri(int pos) throws XmlPullParserException {
         throw new XmlPullParserException("getNamespaceUri() not supported");
     }
 
+    @Override
     public int getColumnNumber() {
         return -1;
     }
 
+    @Override
     public int getDepth() {
         return mParser.getDepth();
     }
 
+    @Override
     public String getText() {
         return mParser.getText();
     }
 
+    @Override
     public int getLineNumber() {
         return mParser.getLineNumber();
     }
 
+    @Override
     public int getEventType() {
         return mEventType;
     }
 
+    @Override
     public boolean isWhitespace() throws XmlPullParserException {
         // Original comment: whitespace was stripped by aapt.
         return mParser.isWhitespace();
     }
 
+    @Override
     public String getPrefix() {
         throw new RuntimeException("getPrefix not supported");
     }
 
+    @Override
     public char[] getTextCharacters(int[] holderForStartAndLength) {
         String txt = getText();
         char[] chars = null;
@@ -204,55 +225,68 @@
         return chars;
     }
 
+    @Override
     public String getNamespace() {
         return mParser.getNamespace();
     }
 
+    @Override
     public String getName() {
         return mParser.getName();
     }
 
+    @Override
     public String getAttributeNamespace(int index) {
         return mParser.getAttributeNamespace(index);
     }
 
+    @Override
     public String getAttributeName(int index) {
         return mParser.getAttributeName(index);
     }
 
+    @Override
     public String getAttributePrefix(int index) {
         throw new RuntimeException("getAttributePrefix not supported");
     }
 
+    @Override
     public boolean isEmptyElementTag() {
         // XXX Need to detect this.
         return false;
     }
 
+    @Override
     public int getAttributeCount() {
         return mParser.getAttributeCount();
     }
 
+    @Override
     public String getAttributeValue(int index) {
         return mParser.getAttributeValue(index);
     }
 
+    @Override
     public String getAttributeType(int index) {
         return "CDATA";
     }
 
+    @Override
     public boolean isAttributeDefault(int index) {
         return false;
     }
 
+    @Override
     public int nextToken() throws XmlPullParserException, IOException {
         return next();
     }
 
+    @Override
     public String getAttributeValue(String namespace, String name) {
         return mParser.getAttributeValue(namespace, name);
     }
 
+    @Override
     public int next() throws XmlPullParserException, IOException {
         if (!mStarted) {
             mStarted = true;
@@ -313,6 +347,7 @@
         return "????";
     }
 
+    @Override
     public void require(int type, String namespace, String name)
             throws XmlPullParserException {
         if (type != getEventType()
@@ -322,6 +357,7 @@
                     + getPositionDescription());
     }
 
+    @Override
     public String nextText() throws XmlPullParserException, IOException {
         if (getEventType() != START_TAG) {
             throw new XmlPullParserException(getPositionDescription()
@@ -348,6 +384,7 @@
         }
     }
 
+    @Override
     public int nextTag() throws XmlPullParserException, IOException {
         int eventType = next();
         if (eventType == TEXT && isWhitespace()) { // skip whitespace
@@ -363,76 +400,94 @@
     // AttributeSet implementation
 
 
+    @Override
     public void close() {
         // pass
     }
 
+    @Override
     public boolean getAttributeBooleanValue(int index, boolean defaultValue) {
         return mAttrib.getAttributeBooleanValue(index, defaultValue);
     }
 
+    @Override
     public boolean getAttributeBooleanValue(String namespace, String attribute,
             boolean defaultValue) {
         return mAttrib.getAttributeBooleanValue(namespace, attribute, defaultValue);
     }
 
+    @Override
     public float getAttributeFloatValue(int index, float defaultValue) {
         return mAttrib.getAttributeFloatValue(index, defaultValue);
     }
 
+    @Override
     public float getAttributeFloatValue(String namespace, String attribute, float defaultValue) {
         return mAttrib.getAttributeFloatValue(namespace, attribute, defaultValue);
     }
 
+    @Override
     public int getAttributeIntValue(int index, int defaultValue) {
         return mAttrib.getAttributeIntValue(index, defaultValue);
     }
 
+    @Override
     public int getAttributeIntValue(String namespace, String attribute, int defaultValue) {
         return mAttrib.getAttributeIntValue(namespace, attribute, defaultValue);
     }
 
+    @Override
     public int getAttributeListValue(int index, String[] options, int defaultValue) {
         return mAttrib.getAttributeListValue(index, options, defaultValue);
     }
 
+    @Override
     public int getAttributeListValue(String namespace, String attribute,
             String[] options, int defaultValue) {
         return mAttrib.getAttributeListValue(namespace, attribute, options, defaultValue);
     }
 
+    @Override
     public int getAttributeNameResource(int index) {
         return mAttrib.getAttributeNameResource(index);
     }
 
+    @Override
     public int getAttributeResourceValue(int index, int defaultValue) {
         return mAttrib.getAttributeResourceValue(index, defaultValue);
     }
 
+    @Override
     public int getAttributeResourceValue(String namespace, String attribute, int defaultValue) {
         return mAttrib.getAttributeResourceValue(namespace, attribute, defaultValue);
     }
 
+    @Override
     public int getAttributeUnsignedIntValue(int index, int defaultValue) {
         return mAttrib.getAttributeUnsignedIntValue(index, defaultValue);
     }
 
+    @Override
     public int getAttributeUnsignedIntValue(String namespace, String attribute, int defaultValue) {
         return mAttrib.getAttributeUnsignedIntValue(namespace, attribute, defaultValue);
     }
 
+    @Override
     public String getClassAttribute() {
         return mAttrib.getClassAttribute();
     }
 
+    @Override
     public String getIdAttribute() {
         return mAttrib.getIdAttribute();
     }
 
+    @Override
     public int getIdAttributeResourceValue(int defaultValue) {
         return mAttrib.getIdAttributeResourceValue(defaultValue);
     }
 
+    @Override
     public int getStyleAttribute() {
         return mAttrib.getStyleAttribute();
     }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
index d5400d7..6840f46 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java
@@ -33,10 +33,10 @@
 import com.android.ide.common.rendering.api.ResourceReference;
 import com.android.ide.common.rendering.api.ResourceValue;
 import com.android.ide.common.rendering.api.Result;
-import com.android.ide.common.rendering.api.SessionParams;
-import com.android.ide.common.rendering.api.ViewInfo;
 import com.android.ide.common.rendering.api.Result.Status;
+import com.android.ide.common.rendering.api.SessionParams;
 import com.android.ide.common.rendering.api.SessionParams.RenderingMode;
+import com.android.ide.common.rendering.api.ViewInfo;
 import com.android.internal.util.XmlUtils;
 import com.android.layoutlib.bridge.Bridge;
 import com.android.layoutlib.bridge.android.BridgeContext;
@@ -69,8 +69,8 @@
 import android.view.AttachInfo_Accessor;
 import android.view.BridgeInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.View.MeasureSpec;
+import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
 import android.view.ViewGroup.MarginLayoutParams;
 import android.widget.AbsListView;
@@ -82,8 +82,8 @@
 import android.widget.ListView;
 import android.widget.QuickContactBadge;
 import android.widget.TabHost;
-import android.widget.TabWidget;
 import android.widget.TabHost.TabSpec;
+import android.widget.TabWidget;
 
 import java.awt.AlphaComposite;
 import java.awt.Color;
@@ -835,6 +835,7 @@
                 previousTransition.addTransitionListener(new TransitionListener() {
                     private int mChangeDisappearingCount = 0;
 
+                    @Override
                     public void startTransition(LayoutTransition transition, ViewGroup container,
                             View view, int transitionType) {
                         if (transitionType == LayoutTransition.CHANGE_DISAPPEARING) {
@@ -842,6 +843,7 @@
                         }
                     }
 
+                    @Override
                     public void endTransition(LayoutTransition transition, ViewGroup container,
                             View view, int transitionType) {
                         if (transitionType == LayoutTransition.CHANGE_DISAPPEARING) {
@@ -1227,6 +1229,7 @@
             TabSpec spec = tabHost.newTabSpec("tag").setIndicator("Tab Label",
                     tabHost.getResources().getDrawable(android.R.drawable.ic_menu_info_details))
                     .setContent(new TabHost.TabContentFactory() {
+                        @Override
                         public View createTabContent(String tag) {
                             return new LinearLayout(getContext());
                         }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/binding/FakeAdapter.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/binding/FakeAdapter.java
index c9bb424..22570b9 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/binding/FakeAdapter.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/binding/FakeAdapter.java
@@ -74,38 +74,46 @@
         }
     }
 
+    @Override
     public boolean isEnabled(int position) {
         return true;
     }
 
+    @Override
     public int getCount() {
         return mItems.size();
     }
 
+    @Override
     public Object getItem(int position) {
         return mItems.get(position);
     }
 
+    @Override
     public long getItemId(int position) {
         return position;
     }
 
+    @Override
     public int getItemViewType(int position) {
         return mItems.get(position).getType();
     }
 
+    @Override
     public View getView(int position, View convertView, ViewGroup parent) {
         // we don't care about recycling here because we never scroll.
         AdapterItem item = mItems.get(position);
         return getView(item, null /*parentGroup*/, convertView, parent);
     }
 
+    @Override
     public int getViewTypeCount() {
         return mTypes.size();
     }
 
     // ---- SpinnerAdapter
 
+    @Override
     public View getDropDownView(int position, View convertView, ViewGroup parent) {
         // pass
         return null;
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/binding/FakeExpandableAdapter.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/binding/FakeExpandableAdapter.java
index 2c492e3..199e040 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/binding/FakeExpandableAdapter.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/binding/FakeExpandableAdapter.java
@@ -99,23 +99,28 @@
 
     // ---- ExpandableListAdapter
 
+    @Override
     public int getGroupCount() {
         return mItems.size();
     }
 
+    @Override
     public int getChildrenCount(int groupPosition) {
         AdapterItem item = mItems.get(groupPosition);
         return item.getChildren().size();
     }
 
+    @Override
     public Object getGroup(int groupPosition) {
         return mItems.get(groupPosition);
     }
 
+    @Override
     public Object getChild(int groupPosition, int childPosition) {
         return getChildItem(groupPosition, childPosition);
     }
 
+    @Override
     public View getGroupView(int groupPosition, boolean isExpanded, View convertView,
             ViewGroup parent) {
         // we don't care about recycling here because we never scroll.
@@ -123,6 +128,7 @@
         return getView(item, null /*parentItem*/, convertView, parent);
     }
 
+    @Override
     public View getChildView(int groupPosition, int childPosition, boolean isLastChild,
             View convertView, ViewGroup parent) {
         // we don't care about recycling here because we never scroll.
@@ -131,48 +137,59 @@
         return getView(item, parentItem, convertView, parent);
     }
 
+    @Override
     public long getGroupId(int groupPosition) {
         return groupPosition;
     }
 
+    @Override
     public long getChildId(int groupPosition, int childPosition) {
         return childPosition;
     }
 
+    @Override
     public long getCombinedGroupId(long groupId) {
         return groupId << 16 | 0x0000FFFF;
     }
 
+    @Override
     public long getCombinedChildId(long groupId, long childId) {
         return groupId << 16 | childId;
     }
 
+    @Override
     public boolean isChildSelectable(int groupPosition, int childPosition) {
         return true;
     }
 
+    @Override
     public void onGroupCollapsed(int groupPosition) {
         // pass
     }
 
+    @Override
     public void onGroupExpanded(int groupPosition) {
         // pass
     }
 
     // ---- HeterogeneousExpandableList
 
+    @Override
     public int getChildType(int groupPosition, int childPosition) {
         return getChildItem(groupPosition, childPosition).getType();
     }
 
+    @Override
     public int getChildTypeCount() {
         return mChildrenTypes.size();
     }
 
+    @Override
     public int getGroupType(int groupPosition) {
         return mItems.get(groupPosition).getType();
     }
 
+    @Override
     public int getGroupTypeCount() {
         return mGroupTypes.size();
     }
diff --git a/tools/layoutlib/create/.settings/README.txt b/tools/layoutlib/create/.settings/README.txt
new file mode 100644
index 0000000..9120b20
--- /dev/null
+++ b/tools/layoutlib/create/.settings/README.txt
@@ -0,0 +1,2 @@
+Copy this in eclipse project as a .settings folder at the root.
+This ensure proper compilation compliance and warning/error levels.
\ No newline at end of file
diff --git a/tools/layoutlib/create/.settings/org.eclipse.jdt.core.prefs b/tools/layoutlib/create/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..5381a0e
--- /dev/null
+++ b/tools/layoutlib/create/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,93 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.annotation.nonnull=com.android.annotations.NonNull
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault=com.android.annotations.NonNullByDefault
+org.eclipse.jdt.core.compiler.annotation.nonnullisdefault=disabled
+org.eclipse.jdt.core.compiler.annotation.nullable=com.android.annotations.Nullable
+org.eclipse.jdt.core.compiler.annotation.nullanalysis=enabled
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.autoboxing=ignore
+org.eclipse.jdt.core.compiler.problem.comparingIdentical=warning
+org.eclipse.jdt.core.compiler.problem.deadCode=warning
+org.eclipse.jdt.core.compiler.problem.deprecation=warning
+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
+org.eclipse.jdt.core.compiler.problem.emptyStatement=ignore
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
+org.eclipse.jdt.core.compiler.problem.fallthroughCase=warning
+org.eclipse.jdt.core.compiler.problem.fatalOptionalError=enabled
+org.eclipse.jdt.core.compiler.problem.fieldHiding=warning
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=error
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=warning
+org.eclipse.jdt.core.compiler.problem.includeNullInfoFromAsserts=enabled
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
+org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=ignore
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=ignore
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=warning
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=warning
+org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod=warning
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=error
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotationForInterfaceMethodImplementation=enabled
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=ignore
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
+org.eclipse.jdt.core.compiler.problem.nullReference=error
+org.eclipse.jdt.core.compiler.problem.nullSpecInsufficientInfo=warning
+org.eclipse.jdt.core.compiler.problem.nullSpecViolation=error
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
+org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=warning
+org.eclipse.jdt.core.compiler.problem.potentialNullReference=warning
+org.eclipse.jdt.core.compiler.problem.potentialNullSpecViolation=error
+org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=warning
+org.eclipse.jdt.core.compiler.problem.rawTypeReference=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullCheck=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
+org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
+org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
+org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems=disabled
+org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
+org.eclipse.jdt.core.compiler.problem.unclosedCloseable=error
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=ignore
+org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=ignore
+org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=warning
+org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=warning
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=disabled
+org.eclipse.jdt.core.compiler.problem.unusedImport=warning
+org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
+org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
+org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation=warning
+org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
+org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
+org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
+org.eclipse.jdt.core.compiler.source=1.6
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
index 70c8a00..4b33474 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/CreateInfo.java
@@ -27,6 +27,7 @@
      * Returns the list of class from layoutlib_create to inject in layoutlib.
      * The list can be empty but must not be null.
      */
+    @Override
     public Class<?>[] getInjectedClasses() {
         return INJECTED_CLASSES;
     }
@@ -35,6 +36,7 @@
      * Returns the list of methods to rewrite as delegates.
      * The list can be empty but must not be null.
      */
+    @Override
     public String[] getDelegateMethods() {
         return DELEGATE_METHODS;
     }
@@ -43,6 +45,7 @@
      * Returns the list of classes on which to delegate all native methods.
      * The list can be empty but must not be null.
      */
+    @Override
     public String[] getDelegateClassNatives() {
         return DELEGATE_CLASS_NATIVES;
     }
@@ -54,6 +57,7 @@
      * <p/>
      * This usage is deprecated. Please use method 'delegates' instead.
      */
+    @Override
     public String[] getOverriddenMethods() {
         return OVERRIDDEN_METHODS;
     }
@@ -63,6 +67,7 @@
      * of class to replace followed by the new FQCN.
      * The list can be empty but must not be null.
      */
+    @Override
     public String[] getRenamedClasses() {
         return RENAMED_CLASSES;
     }
@@ -74,6 +79,7 @@
      * the methods to delete.
      * The list can be empty but must not be null.
      */
+    @Override
     public String[] getDeleteReturns() {
         return DELETE_RETURNS;
     }
diff --git a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/MethodAdapter.java b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/MethodAdapter.java
index 627ea17..7d1e4cf 100644
--- a/tools/layoutlib/create/src/com/android/tools/layoutlib/create/MethodAdapter.java
+++ b/tools/layoutlib/create/src/com/android/tools/layoutlib/create/MethodAdapter.java
@@ -28,13 +28,14 @@
      * A stub method is being invoked.
      * <p/>
      * Known limitation: caller arguments are not available.
-     *  
+     *
      * @param signature The signature of the method being invoked, composed of the
      *                  binary class name followed by the method descriptor (aka argument
      *                  types). Example: "com/foo/MyClass/InnerClass/printInt(I)V".
      * @param isNative True if the method was a native method.
      * @param caller The calling object. Null for static methods, "this" for instance methods.
      */
+    @Override
     public void onInvokeV(String signature, boolean isNative, Object caller) {
     }
 
@@ -43,6 +44,7 @@
      * @see #onInvokeV(String, boolean, Object)
      * @return an integer, or a boolean, or a short or a byte.
      */
+    @Override
     public int onInvokeI(String signature, boolean isNative, Object caller) {
         onInvokeV(signature, isNative, caller);
         return 0;
@@ -53,6 +55,7 @@
      * @see #onInvokeV(String, boolean, Object)
      * @return a long.
      */
+    @Override
     public long onInvokeL(String signature, boolean isNative, Object caller) {
         onInvokeV(signature, isNative, caller);
         return 0;
@@ -63,6 +66,7 @@
      * @see #onInvokeV(String, boolean, Object)
      * @return a float.
      */
+    @Override
     public float onInvokeF(String signature, boolean isNative, Object caller) {
         onInvokeV(signature, isNative, caller);
         return 0;
@@ -73,6 +77,7 @@
      * @see #onInvokeV(String, boolean, Object)
      * @return a double.
      */
+    @Override
     public double onInvokeD(String signature, boolean isNative, Object caller) {
         onInvokeV(signature, isNative, caller);
         return 0;
@@ -83,6 +88,7 @@
      * @see #onInvokeV(String, boolean, Object)
      * @return an object.
      */
+    @Override
     public Object onInvokeA(String signature, boolean isNative, Object caller) {
         onInvokeV(signature, isNative, caller);
         return null;
diff --git a/tools/layoutlib/create/tests/com/android/tools/layoutlib/create/AsmGeneratorTest.java b/tools/layoutlib/create/tests/com/android/tools/layoutlib/create/AsmGeneratorTest.java
index f4ff389..7b76a5b 100644
--- a/tools/layoutlib/create/tests/com/android/tools/layoutlib/create/AsmGeneratorTest.java
+++ b/tools/layoutlib/create/tests/com/android/tools/layoutlib/create/AsmGeneratorTest.java
@@ -65,24 +65,29 @@
     public void testClassRenaming() throws IOException, LogAbortException {
 
         ICreateInfo ci = new ICreateInfo() {
+            @Override
             public Class<?>[] getInjectedClasses() {
                 // classes to inject in the final JAR
                 return new Class<?>[0];
             }
 
+            @Override
             public String[] getDelegateMethods() {
                 return new String[0];
             }
 
+            @Override
             public String[] getDelegateClassNatives() {
                 return new String[0];
             }
 
+            @Override
             public String[] getOverriddenMethods() {
                 // methods to force override
                 return new String[0];
             }
 
+            @Override
             public String[] getRenamedClasses() {
                 // classes to rename (so that we can replace them)
                 return new String[] {
@@ -91,6 +96,7 @@
                 };
             }
 
+            @Override
             public String[] getDeleteReturns() {
                  // methods deleted from their return type.
                 return new String[0];