Merge "Make the image wallpaper component overlayable" into lmp-dev
diff --git a/api/current.txt b/api/current.txt
index 8e10ede..93b0995 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -8686,7 +8686,7 @@
     method public java.util.List<android.content.pm.PackageInstaller.SessionInfo> getAllSessions();
     method public java.util.List<android.content.pm.PackageInstaller.SessionInfo> getMySessions();
     method public android.content.pm.PackageInstaller.SessionInfo getSessionInfo(int);
-    method public android.content.pm.PackageInstaller.Session openSession(int);
+    method public android.content.pm.PackageInstaller.Session openSession(int) throws java.io.IOException;
     method public void registerSessionCallback(android.content.pm.PackageInstaller.SessionCallback);
     method public void registerSessionCallback(android.content.pm.PackageInstaller.SessionCallback, android.os.Handler);
     method public void uninstall(java.lang.String, android.content.IntentSender);
@@ -8719,16 +8719,15 @@
     method public java.lang.String[] getNames() throws java.io.IOException;
     method public java.io.InputStream openRead(java.lang.String) throws java.io.IOException;
     method public java.io.OutputStream openWrite(java.lang.String, long, long) throws java.io.IOException;
-    method public void setProgress(float);
+    method public void setStagingProgress(float);
   }
 
   public static abstract class PackageInstaller.SessionCallback {
     ctor public PackageInstaller.SessionCallback();
+    method public abstract void onActiveChanged(int, boolean);
     method public abstract void onBadgingChanged(int);
-    method public abstract void onClosed(int);
     method public abstract void onCreated(int);
     method public abstract void onFinished(int, boolean);
-    method public abstract void onOpened(int);
     method public abstract void onProgressChanged(int, float);
   }
 
@@ -8741,7 +8740,7 @@
     method public java.lang.String getInstallerPackageName();
     method public float getProgress();
     method public int getSessionId();
-    method public boolean isOpen();
+    method public boolean isActive();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator CREATOR;
   }
@@ -14051,6 +14050,7 @@
     field public static final int CONTENT_TYPE_SONIFICATION = 4; // 0x4
     field public static final int CONTENT_TYPE_SPEECH = 1; // 0x1
     field public static final int CONTENT_TYPE_UNKNOWN = 0; // 0x0
+    field public static final android.os.Parcelable.Creator CREATOR;
     field public static final int FLAG_AUDIBILITY_ENFORCED = 1; // 0x1
     field public static final int USAGE_ALARM = 4; // 0x4
     field public static final int USAGE_ASSISTANCE_ACCESSIBILITY = 11; // 0xb
@@ -14236,9 +14236,9 @@
     field public static final int AUDIO_SESSION_ID_GENERATE = 0; // 0x0
     field public static final int ERROR = -1; // 0xffffffff
     field public static final int ERROR_DEAD_OBJECT = -6; // 0xfffffffa
-    field public static final java.lang.String EXTRA_AUDIO_PLUG_STATE = "android.media.extra.audio_plug_state";
-    field public static final java.lang.String EXTRA_ENCODINGS = "android.media.extra.encodings";
-    field public static final java.lang.String EXTRA_MAX_CHANNEL_COUNT = "android.media.extra.max_channel_count";
+    field public static final java.lang.String EXTRA_AUDIO_PLUG_STATE = "android.media.extra.AUDIO_PLUG_STATE";
+    field public static final java.lang.String EXTRA_ENCODINGS = "android.media.extra.ENCODINGS";
+    field public static final java.lang.String EXTRA_MAX_CHANNEL_COUNT = "android.media.extra.MAX_CHANNEL_COUNT";
     field public static final java.lang.String EXTRA_RINGER_MODE = "android.media.EXTRA_RINGER_MODE";
     field public static final java.lang.String EXTRA_SCO_AUDIO_PREVIOUS_STATE = "android.media.extra.SCO_AUDIO_PREVIOUS_STATE";
     field public static final java.lang.String EXTRA_SCO_AUDIO_STATE = "android.media.extra.SCO_AUDIO_STATE";
@@ -14710,7 +14710,7 @@
 
   public static final class MediaCodecInfo.CodecCapabilities {
     ctor public MediaCodecInfo.CodecCapabilities();
-    method public static android.media.MediaCodecInfo.CodecCapabilities CreateFromProfileLevel(java.lang.String, int, int);
+    method public static android.media.MediaCodecInfo.CodecCapabilities createFromProfileLevel(java.lang.String, int, int);
     method public android.media.MediaCodecInfo.AudioCapabilities getAudioCapabilities();
     method public android.media.MediaFormat getDefaultFormat();
     method public android.media.MediaCodecInfo.EncoderCapabilities getEncoderCapabilities();
@@ -28231,17 +28231,19 @@
 
   public abstract class Conference {
     ctor public Conference(android.telecomm.PhoneAccountHandle);
-    method public boolean addConnection(android.telecomm.Connection);
-    method public void destroy();
+    method public final boolean addConnection(android.telecomm.Connection);
+    method public final void destroy();
     method public final int getCapabilities();
     method public final java.util.List<android.telecomm.Connection> getConnections();
     method public final android.telecomm.PhoneAccountHandle getPhoneAccount();
     method public final int getState();
     method public void onDisconnect();
     method public void onHold();
+    method public void onMerge();
     method public void onSeparate(android.telecomm.Connection);
+    method public void onSwap();
     method public void onUnhold();
-    method public void removeConnection(android.telecomm.Connection);
+    method public final void removeConnection(android.telecomm.Connection);
     method public final void setActive();
     method public final void setCapabilities(int);
     method public final void setDisconnected(int, java.lang.String);
@@ -28392,13 +28394,13 @@
     method public static java.lang.String toString(int);
     field public static final int ADD_CALL = 16; // 0x10
     field public static final int ALL = 255; // 0xff
-    field public static final int GENERIC_CONFERENCE = 128; // 0x80
     field public static final int HOLD = 1; // 0x1
-    field public static final int MERGE_CALLS = 4; // 0x4
+    field public static final int MANAGE_CONFERENCE = 128; // 0x80
+    field public static final int MERGE_CONFERENCE = 4; // 0x4
     field public static final int MUTE = 64; // 0x40
     field public static final int RESPOND_VIA_TEXT = 32; // 0x20
     field public static final int SUPPORT_HOLD = 2; // 0x2
-    field public static final int SWAP_CALLS = 8; // 0x8
+    field public static final int SWAP_CONFERENCE = 8; // 0x8
   }
 
   public class PropertyPresentation {
@@ -29007,7 +29009,6 @@
     method public void enableSimplifiedNetworkSettings(boolean);
     method public void enableSimplifiedNetworkSettings(long, boolean);
     method public java.util.List<android.telephony.CellInfo> getAllCellInfo();
-    method public int getCalculatedPreferredNetworkType();
     method public int getCallState();
     method public android.telephony.CellLocation getCellLocation();
     method public int getDataActivity();
@@ -29024,7 +29025,6 @@
     method public java.lang.String getNetworkOperatorName();
     method public int getNetworkType();
     method public int getPhoneType();
-    method public int getPreferredNetworkType();
     method public java.lang.String getSimCountryIso();
     method public java.lang.String getSimOperator();
     method public java.lang.String getSimOperatorName();
@@ -29046,11 +29046,10 @@
     method public boolean isSmsCapable();
     method public void listen(android.telephony.PhoneStateListener, int);
     method public java.lang.String sendEnvelopeWithStatus(java.lang.String);
-    method public boolean setCdmaSubscription(int);
+    method public boolean setGlobalPreferredNetworkType();
     method public void setLine1NumberForDisplay(java.lang.String, java.lang.String);
     method public void setLine1NumberForDisplay(long, java.lang.String, java.lang.String);
-    method public boolean setOperatorBrandOverride(java.lang.String, java.lang.String);
-    method public boolean setPreferredNetworkType(int);
+    method public boolean setOperatorBrandOverride(java.lang.String);
     field public static final java.lang.String ACTION_PHONE_STATE_CHANGED = "android.intent.action.PHONE_STATE";
     field public static final java.lang.String ACTION_RESPOND_VIA_MESSAGE = "android.intent.action.RESPOND_VIA_MESSAGE";
     field public static final int CALL_STATE_IDLE = 0; // 0x0
diff --git a/core/java/android/animation/AnimatorSet.java b/core/java/android/animation/AnimatorSet.java
index 9156eeb..7c13dbe 100644
--- a/core/java/android/animation/AnimatorSet.java
+++ b/core/java/android/animation/AnimatorSet.java
@@ -504,6 +504,10 @@
         mStarted = true;
         mPaused = false;
 
+        for (Node node : mNodes) {
+            node.animation.setAllowRunningAsynchronously(false);
+        }
+
         if (mDuration >= 0) {
             // If the duration was set on this AnimatorSet, pass it along to all child animations
             for (Node node : mNodes) {
diff --git a/core/java/android/content/pm/IPackageInstallerCallback.aidl b/core/java/android/content/pm/IPackageInstallerCallback.aidl
index fe98ee7..974eb1e 100644
--- a/core/java/android/content/pm/IPackageInstallerCallback.aidl
+++ b/core/java/android/content/pm/IPackageInstallerCallback.aidl
@@ -20,8 +20,7 @@
 oneway interface IPackageInstallerCallback {
     void onSessionCreated(int sessionId);
     void onSessionBadgingChanged(int sessionId);
-    void onSessionOpened(int sessionId);
+    void onSessionActiveChanged(int sessionId, boolean active);
     void onSessionProgressChanged(int sessionId, float progress);
-    void onSessionClosed(int sessionId);
     void onSessionFinished(int sessionId, boolean success);
 }
diff --git a/core/java/android/content/pm/PackageInstaller.java b/core/java/android/content/pm/PackageInstaller.java
index 7c34a65..0a211cf 100644
--- a/core/java/android/content/pm/PackageInstaller.java
+++ b/core/java/android/content/pm/PackageInstaller.java
@@ -304,9 +304,12 @@
      * Open an existing session to actively perform work. To succeed, the caller
      * must be the owner of the install session.
      */
-    public @NonNull Session openSession(int sessionId) {
+    public @NonNull Session openSession(int sessionId) throws IOException {
         try {
             return new Session(mInstaller.openSession(sessionId));
+        } catch (RuntimeException e) {
+            ExceptionUtils.maybeUnwrapIOException(e);
+            throw e;
         } catch (RemoteException e) {
             throw e.rethrowAsRuntimeException();
         }
@@ -363,7 +366,7 @@
     public @NonNull List<SessionInfo> getAllSessions() {
         final ApplicationInfo info = mContext.getApplicationInfo();
         if ("com.google.android.googlequicksearchbox".equals(info.packageName)
-                && info.versionCode <= 300400070) {
+                && info.versionCode <= 300400110) {
             Log.d(TAG, "Ignoring callback request from old prebuilt");
             return Collections.EMPTY_LIST;
         }
@@ -436,27 +439,32 @@
         public abstract void onBadgingChanged(int sessionId);
 
         /**
-         * Session has been opened. A session is usually opened when the
-         * installer is actively writing data.
+         * Active state for session has been changed.
+         * <p>
+         * A session is considered active whenever there is ongoing forward
+         * progress being made, such as the installer holding an open
+         * {@link Session} instance while streaming data into place, or the
+         * system optimizing code as the result of
+         * {@link Session#commit(IntentSender)}.
+         * <p>
+         * If the installer closes the {@link Session} without committing, the
+         * session is considered inactive until the installer opens the session
+         * again.
          */
-        public abstract void onOpened(int sessionId);
+        public abstract void onActiveChanged(int sessionId, boolean active);
 
         /**
          * Progress for given session has been updated.
          * <p>
          * Note that this progress may not directly correspond to the value
-         * reported by {@link PackageInstaller.Session#setProgress(float)}, as
-         * the system may carve out a portion of the overall progress to
-         * represent its own internal installation work.
+         * reported by
+         * {@link PackageInstaller.Session#setStagingProgress(float)}, as the
+         * system may carve out a portion of the overall progress to represent
+         * its own internal installation work.
          */
         public abstract void onProgressChanged(int sessionId, float progress);
 
         /**
-         * Session has been closed.
-         */
-        public abstract void onClosed(int sessionId);
-
-        /**
          * Session has completely finished, either with success or failure.
          */
         public abstract void onFinished(int sessionId, boolean success);
@@ -467,10 +475,9 @@
             Handler.Callback {
         private static final int MSG_SESSION_CREATED = 1;
         private static final int MSG_SESSION_BADGING_CHANGED = 2;
-        private static final int MSG_SESSION_OPENED = 3;
+        private static final int MSG_SESSION_ACTIVE_CHANGED = 3;
         private static final int MSG_SESSION_PROGRESS_CHANGED = 4;
-        private static final int MSG_SESSION_CLOSED = 5;
-        private static final int MSG_SESSION_FINISHED = 6;
+        private static final int MSG_SESSION_FINISHED = 5;
 
         final SessionCallback mCallback;
         final Handler mHandler;
@@ -482,24 +489,23 @@
 
         @Override
         public boolean handleMessage(Message msg) {
+            final int sessionId = msg.arg1;
             switch (msg.what) {
                 case MSG_SESSION_CREATED:
-                    mCallback.onCreated(msg.arg1);
+                    mCallback.onCreated(sessionId);
                     return true;
                 case MSG_SESSION_BADGING_CHANGED:
-                    mCallback.onBadgingChanged(msg.arg1);
+                    mCallback.onBadgingChanged(sessionId);
                     return true;
-                case MSG_SESSION_OPENED:
-                    mCallback.onOpened(msg.arg1);
+                case MSG_SESSION_ACTIVE_CHANGED:
+                    final boolean active = msg.arg2 != 0;
+                    mCallback.onActiveChanged(sessionId, active);
                     return true;
                 case MSG_SESSION_PROGRESS_CHANGED:
-                    mCallback.onProgressChanged(msg.arg1, (float) msg.obj);
-                    return true;
-                case MSG_SESSION_CLOSED:
-                    mCallback.onClosed(msg.arg1);
+                    mCallback.onProgressChanged(sessionId, (float) msg.obj);
                     return true;
                 case MSG_SESSION_FINISHED:
-                    mCallback.onFinished(msg.arg1, msg.arg2 != 0);
+                    mCallback.onFinished(sessionId, msg.arg2 != 0);
                     return true;
             }
             return false;
@@ -516,8 +522,9 @@
         }
 
         @Override
-        public void onSessionOpened(int sessionId) {
-            mHandler.obtainMessage(MSG_SESSION_OPENED, sessionId, 0).sendToTarget();
+        public void onSessionActiveChanged(int sessionId, boolean active) {
+            mHandler.obtainMessage(MSG_SESSION_ACTIVE_CHANGED, sessionId, active ? 1 : 0)
+                    .sendToTarget();
         }
 
         @Override
@@ -527,11 +534,6 @@
         }
 
         @Override
-        public void onSessionClosed(int sessionId) {
-            mHandler.obtainMessage(MSG_SESSION_CLOSED, sessionId, 0).sendToTarget();
-        }
-
-        @Override
         public void onSessionFinished(int sessionId, boolean success) {
             mHandler.obtainMessage(MSG_SESSION_FINISHED, sessionId, success ? 1 : 0)
                     .sendToTarget();
@@ -567,7 +569,7 @@
         // TODO: remove this temporary guard once we have new prebuilts
         final ApplicationInfo info = mContext.getApplicationInfo();
         if ("com.google.android.googlequicksearchbox".equals(info.packageName)
-                && info.versionCode <= 300400070) {
+                && info.versionCode <= 300400110) {
             Log.d(TAG, "Ignoring callback request from old prebuilt");
             return;
         }
@@ -629,10 +631,22 @@
             mSession = session;
         }
 
-        /**
-         * Set current progress. Valid values are anywhere between 0 and 1.
-         */
+        /** {@hide} */
+        @Deprecated
         public void setProgress(float progress) {
+            setStagingProgress(progress);
+        }
+
+        /**
+         * Set current progress of staging this session. Valid values are
+         * anywhere between 0 and 1.
+         * <p>
+         * Note that this progress may not directly correspond to the value
+         * reported by {@link SessionCallback#onProgressChanged(int, float)}, as
+         * the system may carve out a portion of the overall progress to
+         * represent its own internal installation work.
+         */
+        public void setStagingProgress(float progress) {
             try {
                 mSession.setClientProgress(progress);
             } catch (RemoteException e) {
@@ -986,7 +1000,7 @@
         /** {@hide} */
         public boolean sealed;
         /** {@hide} */
-        public boolean open;
+        public boolean active;
 
         /** {@hide} */
         public int mode;
@@ -1010,7 +1024,7 @@
             resolvedBaseCodePath = source.readString();
             progress = source.readFloat();
             sealed = source.readInt() != 0;
-            open = source.readInt() != 0;
+            active = source.readInt() != 0;
 
             mode = source.readInt();
             sizeBytes = source.readLong();
@@ -1036,20 +1050,37 @@
         /**
          * Return current overall progress of this session, between 0 and 1.
          * <p>
-         * Note that this progress may not directly correspond to the value reported
-         * by {@link PackageInstaller.Session#setProgress(float)}, as the system may
-         * carve out a portion of the overall progress to represent its own internal
-         * installation work.
+         * Note that this progress may not directly correspond to the value
+         * reported by
+         * {@link PackageInstaller.Session#setStagingProgress(float)}, as the
+         * system may carve out a portion of the overall progress to represent
+         * its own internal installation work.
          */
         public float getProgress() {
             return progress;
         }
 
         /**
-         * Return if this session is currently open.
+         * Return if this session is currently active.
+         * <p>
+         * A session is considered active whenever there is ongoing forward
+         * progress being made, such as the installer holding an open
+         * {@link Session} instance while streaming data into place, or the
+         * system optimizing code as the result of
+         * {@link Session#commit(IntentSender)}.
+         * <p>
+         * If the installer closes the {@link Session} without committing, the
+         * session is considered inactive until the installer opens the session
+         * again.
          */
+        public boolean isActive() {
+            return active;
+        }
+
+        /** {@hide} */
+        @Deprecated
         public boolean isOpen() {
-            return open;
+            return isActive();
         }
 
         /**
@@ -1105,7 +1136,7 @@
             dest.writeString(resolvedBaseCodePath);
             dest.writeFloat(progress);
             dest.writeInt(sealed ? 1 : 0);
-            dest.writeInt(open ? 1 : 0);
+            dest.writeInt(active ? 1 : 0);
 
             dest.writeInt(mode);
             dest.writeLong(sizeBytes);
diff --git a/core/java/android/content/res/AssetManager.java b/core/java/android/content/res/AssetManager.java
index 2684e6c..e578822 100644
--- a/core/java/android/content/res/AssetManager.java
+++ b/core/java/android/content/res/AssetManager.java
@@ -773,6 +773,7 @@
     private native final String[] getArrayStringResource(int arrayRes);
     private native final int[] getArrayStringInfo(int arrayRes);
     /*package*/ native final int[] getArrayIntResource(int arrayRes);
+    /*package*/ native final int[] getStyleAttributes(int themeRes);
 
     private native final void init(boolean isSystem);
     private native final void destroy();
diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java
index 31813c10..cabe228 100644
--- a/core/java/android/content/res/Resources.java
+++ b/core/java/android/content/res/Resources.java
@@ -1572,6 +1572,16 @@
         }
 
         /**
+         * Gets all of the attribute ids associated with this {@link Theme}. For debugging only.
+         *
+         * @return The int array containing attribute ids associated with this {@link Theme}.
+         * @hide
+         */
+        public int[] getAllAttributes() {
+            return mAssets.getStyleAttributes(getAppliedStyleResId());
+        }
+
+        /**
          * Returns the resources to which this theme belongs.
          *
          * @return Resources to which this theme belongs.
diff --git a/core/java/android/print/PrintManager.java b/core/java/android/print/PrintManager.java
index 9361286..bf8ac65 100644
--- a/core/java/android/print/PrintManager.java
+++ b/core/java/android/print/PrintManager.java
@@ -535,7 +535,7 @@
                 destroyed = isDestroyedLocked();
             }
 
-            if (destroyed) {
+            if (destroyed && observer != null) {
                 try {
                     observer.onDestroy();
                 } catch (RemoteException re) {
diff --git a/core/java/android/view/RenderNode.java b/core/java/android/view/RenderNode.java
index 9dc9766..47f72a8 100644
--- a/core/java/android/view/RenderNode.java
+++ b/core/java/android/view/RenderNode.java
@@ -367,6 +367,10 @@
         throw new IllegalArgumentException("Unrecognized outline?");
     }
 
+    public boolean hasShadow() {
+        return nHasShadow(mNativeRenderNode);
+    }
+
     /**
      * Enables or disables clipping to the outline.
      *
@@ -861,6 +865,7 @@
             float alpha);
     private static native boolean nSetOutlineEmpty(long renderNode);
     private static native boolean nSetOutlineNone(long renderNode);
+    private static native boolean nHasShadow(long renderNode);
     private static native boolean nSetClipToOutline(long renderNode, boolean clipToOutline);
     private static native boolean nSetRevealClip(long renderNode,
             boolean shouldClip, float x, float y, float radius);
diff --git a/core/java/android/view/RenderNodeAnimator.java b/core/java/android/view/RenderNodeAnimator.java
index fa4a13a..debf45d 100644
--- a/core/java/android/view/RenderNodeAnimator.java
+++ b/core/java/android/view/RenderNodeAnimator.java
@@ -453,6 +453,12 @@
         throw new IllegalStateException("Cannot clone this animator");
     }
 
+    @Override
+    public void setAllowRunningAsynchronously(boolean mayRunAsync) {
+        checkMutable();
+        nSetAllowRunningAsync(mNativePtr.get(), mayRunAsync);
+    }
+
     private static native long nCreateAnimator(int property, float finalValue);
     private static native long nCreateCanvasPropertyFloatAnimator(
             long canvasProperty, float finalValue);
@@ -466,6 +472,7 @@
     private static native long nGetDuration(long nativePtr);
     private static native void nSetStartDelay(long nativePtr, long startDelay);
     private static native void nSetInterpolator(long animPtr, long interpolatorPtr);
+    private static native void nSetAllowRunningAsync(long animPtr, boolean mayRunAsync);
 
     private static native void nStart(long animPtr, RenderNodeAnimator finishListener);
     private static native void nEnd(long animPtr);
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 92ad4e8..770e78c 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -10224,6 +10224,7 @@
      *
      * @return true if the content in this view might overlap, false otherwise.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public boolean hasOverlappingRendering() {
         return true;
     }
@@ -10926,6 +10927,17 @@
         invalidateViewProperty(false, false);
     }
 
+    /**
+     * HierarchyViewer only
+     *
+     * @hide
+     */
+    @ViewDebug.ExportedProperty(category = "drawing")
+    public boolean hasShadow() {
+        return mRenderNode.hasShadow();
+    }
+
+
     /** @hide */
     public void setRevealClip(boolean shouldClip, float x, float y, float radius) {
         mRenderNode.setRevealClip(shouldClip, x, y, radius);
diff --git a/core/java/android/view/ViewDebug.java b/core/java/android/view/ViewDebug.java
index 6c66eb0..a94f973 100644
--- a/core/java/android/view/ViewDebug.java
+++ b/core/java/android/view/ViewDebug.java
@@ -26,6 +26,7 @@
 import android.os.RemoteException;
 import android.util.DisplayMetrics;
 import android.util.Log;
+import android.util.TypedValue;
 
 import java.io.BufferedOutputStream;
 import java.io.BufferedWriter;
@@ -315,6 +316,7 @@
 
     private static final String REMOTE_COMMAND_CAPTURE = "CAPTURE";
     private static final String REMOTE_COMMAND_DUMP = "DUMP";
+    private static final String REMOTE_COMMAND_DUMP_THEME = "DUMP_THEME";
     private static final String REMOTE_COMMAND_INVALIDATE = "INVALIDATE";
     private static final String REMOTE_COMMAND_REQUEST_LAYOUT = "REQUEST_LAYOUT";
     private static final String REMOTE_PROFILE = "PROFILE";
@@ -430,6 +432,8 @@
 
         if (REMOTE_COMMAND_DUMP.equalsIgnoreCase(command)) {
             dump(view, false, true, clientStream);
+        } else if (REMOTE_COMMAND_DUMP_THEME.equalsIgnoreCase(command)) {
+            dumpTheme(view, clientStream);
         } else if (REMOTE_COMMAND_CAPTURE_LAYERS.equalsIgnoreCase(command)) {
             captureLayers(view, new DataOutputStream(clientStream));
         } else {
@@ -820,6 +824,64 @@
         }
     }
 
+    /**
+     * Dumps the theme attributes from the given View.
+     * @hide
+     */
+    public static void dumpTheme(View view, OutputStream clientStream) throws IOException {
+        BufferedWriter out = null;
+        try {
+            out = new BufferedWriter(new OutputStreamWriter(clientStream, "utf-8"), 32 * 1024);
+            String[] attributes = getStyleAttributesDump(view.getContext().getResources(),
+                    view.getContext().getTheme());
+            if (attributes != null) {
+                for (int i = 0; i < attributes.length; i += 2) {
+                    if (attributes[i] != null) {
+                        out.write(attributes[i] + "\n");
+                        out.write(attributes[i + 1] + "\n");
+                    }
+                }
+            }
+            out.write("DONE.");
+            out.newLine();
+        } catch (Exception e) {
+            android.util.Log.w("View", "Problem dumping View Theme:", e);
+        } finally {
+            if (out != null) {
+                out.close();
+            }
+        }
+    }
+
+    /**
+     * Gets the style attributes from the {@link Resources.Theme}. For debugging only.
+     *
+     * @param resources Resources to resolve attributes from.
+     * @param theme Theme to dump.
+     * @return a String array containing pairs of adjacent Theme attribute data: name followed by
+     * its value.
+     *
+     * @hide
+     */
+    private static String[] getStyleAttributesDump(Resources resources, Resources.Theme theme) {
+        TypedValue outValue = new TypedValue();
+        String nullString = "null";
+        int i = 0;
+        int[] attributes = theme.getAllAttributes();
+        String[] data = new String[attributes.length * 2];
+        for (int attributeId : attributes) {
+            try {
+                data[i] = resources.getResourceName(attributeId);
+                data[i + 1] = theme.resolveAttribute(attributeId, outValue, true) ?
+                        outValue.coerceToString().toString() :  nullString;
+                i += 2;
+            } catch (Resources.NotFoundException e) {
+                // ignore resources we can't resolve
+            }
+        }
+        return data;
+    }
+
     private static View findView(ViewGroup group, String className, int hashCode) {
         if (isRequestedView(group, className, hashCode)) {
             return group;
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 974fe4e..c1e66de 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -3301,6 +3301,7 @@
      * @return True if the group's children will be clipped to their bounds,
      * false otherwise.
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public boolean getClipChildren() {
         return ((mGroupFlags & FLAG_CLIP_CHILDREN) != 0);
     }
@@ -3349,6 +3350,7 @@
      *
      * @attr ref android.R.styleable#ViewGroup_clipToPadding
      */
+    @ViewDebug.ExportedProperty(category = "drawing")
     public boolean getClipToPadding() {
         return hasBooleanFlag(FLAG_CLIP_TO_PADDING);
     }
@@ -5722,6 +5724,28 @@
     }
 
     @Override
+    public void drawableHotspotChanged(float x, float y) {
+        super.drawableHotspotChanged(x, y);
+
+        if ((mGroupFlags & FLAG_NOTIFY_CHILDREN_ON_DRAWABLE_STATE_CHANGE) != 0) {
+            if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) != 0) {
+                throw new IllegalStateException("addStateFromChildren cannot be enabled if a"
+                        + " child has duplicateParentState set to true");
+            }
+
+            final View[] children = mChildren;
+            final int count = mChildrenCount;
+
+            for (int i = 0; i < count; i++) {
+                final View child = children[i];
+                if ((child.mViewFlags & DUPLICATE_PARENT_STATE) != 0) {
+                    child.drawableHotspotChanged(x, y);
+                }
+            }
+        }
+    }
+
+    @Override
     protected int[] onCreateDrawableState(int extraSpace) {
         if ((mGroupFlags & FLAG_ADD_STATES_FROM_CHILDREN) == 0) {
             return super.onCreateDrawableState(extraSpace);
diff --git a/core/jni/android_util_AssetManager.cpp b/core/jni/android_util_AssetManager.cpp
index 5faf03d..396f3ec 100644
--- a/core/jni/android_util_AssetManager.cpp
+++ b/core/jni/android_util_AssetManager.cpp
@@ -1888,6 +1888,37 @@
     return array;
 }
 
+static jintArray android_content_AssetManager_getStyleAttributes(JNIEnv* env, jobject clazz,
+                                                                 jint styleId)
+{
+    AssetManager* am = assetManagerForJavaObject(env, clazz);
+    if (am == NULL) {
+        return NULL;
+    }
+    const ResTable& res(am->getResources());
+
+    const ResTable::bag_entry* startOfBag;
+    const ssize_t N = res.lockBag(styleId, &startOfBag);
+    if (N < 0) {
+        return NULL;
+    }
+
+    jintArray array = env->NewIntArray(N);
+    if (array == NULL) {
+        res.unlockBag(startOfBag);
+        return NULL;
+    }
+
+    Res_value value;
+    const ResTable::bag_entry* bag = startOfBag;
+    for (size_t i=0; ((ssize_t)i)<N; i++, bag++) {
+        int resourceId = bag->map.name.ident;
+        env->SetIntArrayRegion(array, i, 1, &resourceId);
+    }
+    res.unlockBag(startOfBag);
+    return array;
+}
+
 static void android_content_AssetManager_init(JNIEnv* env, jobject clazz, jboolean isSystem)
 {
     if (isSystem) {
@@ -2038,6 +2069,8 @@
         (void*) android_content_AssetManager_getArrayStringInfo },
     { "getArrayIntResource","(I)[I",
         (void*) android_content_AssetManager_getArrayIntResource },
+    { "getStyleAttributes","(I)[I",
+        (void*) android_content_AssetManager_getStyleAttributes },
 
     // Bookkeeping.
     { "init",           "(Z)V",
diff --git a/core/jni/android_view_RenderNode.cpp b/core/jni/android_view_RenderNode.cpp
index 949f4ff..050037e 100644
--- a/core/jni/android_view_RenderNode.cpp
+++ b/core/jni/android_view_RenderNode.cpp
@@ -173,6 +173,12 @@
     return true;
 }
 
+static jboolean android_view_RenderNode_hasShadow(JNIEnv* env,
+        jobject clazz, jlong renderNodePtr) {
+    RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
+    return renderNode->stagingProperties().hasShadow();
+}
+
 static jboolean android_view_RenderNode_setClipToOutline(JNIEnv* env,
         jobject clazz, jlong renderNodePtr, jboolean clipToOutline) {
     RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
@@ -491,6 +497,7 @@
     { "nSetOutlineConvexPath", "(JJF)Z", (void*) android_view_RenderNode_setOutlineConvexPath },
     { "nSetOutlineEmpty",      "(J)Z",   (void*) android_view_RenderNode_setOutlineEmpty },
     { "nSetOutlineNone",       "(J)Z",   (void*) android_view_RenderNode_setOutlineNone },
+    { "nHasShadow",            "(J)Z",   (void*) android_view_RenderNode_hasShadow },
     { "nSetClipToOutline",     "(JZ)Z",  (void*) android_view_RenderNode_setClipToOutline },
     { "nSetRevealClip",        "(JZFFF)Z", (void*) android_view_RenderNode_setRevealClip },
 
diff --git a/core/jni/android_view_RenderNodeAnimator.cpp b/core/jni/android_view_RenderNodeAnimator.cpp
index 85c2a09..84b7913 100644
--- a/core/jni/android_view_RenderNodeAnimator.cpp
+++ b/core/jni/android_view_RenderNodeAnimator.cpp
@@ -159,6 +159,11 @@
     animator->setInterpolator(interpolator);
 }
 
+static void setAllowRunningAsync(JNIEnv* env, jobject clazz, jlong animatorPtr, jboolean mayRunAsync) {
+    BaseRenderNodeAnimator* animator = reinterpret_cast<BaseRenderNodeAnimator*>(animatorPtr);
+    animator->setAllowRunningAsync(mayRunAsync);
+}
+
 static void start(JNIEnv* env, jobject clazz, jlong animatorPtr, jobject finishListener) {
     BaseRenderNodeAnimator* animator = reinterpret_cast<BaseRenderNodeAnimator*>(animatorPtr);
     if (finishListener) {
@@ -191,6 +196,7 @@
     { "nGetDuration", "(J)J", (void*) getDuration },
     { "nSetStartDelay", "(JJ)V", (void*) setStartDelay },
     { "nSetInterpolator", "(JJ)V", (void*) setInterpolator },
+    { "nSetAllowRunningAsync", "(JZ)V", (void*) setAllowRunningAsync },
     { "nStart", "(JLandroid/view/RenderNodeAnimator;)V", (void*) start },
     { "nEnd", "(J)V", (void*) end },
 #endif
diff --git a/core/jni/android_view_ThreadedRenderer.cpp b/core/jni/android_view_ThreadedRenderer.cpp
index 7e6d335..a8edb77 100644
--- a/core/jni/android_view_ThreadedRenderer.cpp
+++ b/core/jni/android_view_ThreadedRenderer.cpp
@@ -158,9 +158,11 @@
 
     // Marks the start of a frame, which will update the frame time and move all
     // next frame animations into the current frame
-    virtual void startFrame() {
-        mRootNode->doAttachAnimatingNodes(this);
-        AnimationContext::startFrame();
+    virtual void startFrame(TreeInfo::TraversalMode mode) {
+        if (mode == TreeInfo::MODE_FULL) {
+            mRootNode->doAttachAnimatingNodes(this);
+        }
+        AnimationContext::startFrame(mode);
     }
 
     // Runs any animations still left in mCurrentFrameAnimations
diff --git a/core/res/res/values/colors_material.xml b/core/res/res/values/colors_material.xml
index d8e14a0..939cbf1 100644
--- a/core/res/res/values/colors_material.xml
+++ b/core/res/res/values/colors_material.xml
@@ -19,8 +19,8 @@
     <color name="background_material_dark">#ff212121</color>
     <color name="background_material_light">#fffafafa</color>
 
-    <color name="ripple_material_light">#20444444</color>
-    <color name="ripple_material_dark">#20ffffff</color>
+    <color name="ripple_material_light">#40000000</color>
+    <color name="ripple_material_dark">#40ffffff</color>
 
     <color name="button_material_dark">#ff5a595b</color>
     <color name="button_material_light">#ffd6d7d7</color>
diff --git a/graphics/java/android/graphics/drawable/Ripple.java b/graphics/java/android/graphics/drawable/Ripple.java
index 43922b8..6f95f91 100644
--- a/graphics/java/android/graphics/drawable/Ripple.java
+++ b/graphics/java/android/graphics/drawable/Ripple.java
@@ -22,6 +22,7 @@
 import android.animation.TimeInterpolator;
 import android.graphics.Canvas;
 import android.graphics.CanvasProperty;
+import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.Paint.Style;
 import android.graphics.Rect;
@@ -58,7 +59,7 @@
     private final Rect mBounds;
 
     /** Full-opacity color for drawing this ripple. */
-    private int mColor;
+    private int mColorOpaque;
 
     /** Maximum ripple radius. */
     private float mOuterRadius;
@@ -120,7 +121,7 @@
     }
 
     public void setup(int maxRadius, int color, float density) {
-        mColor = color | 0xFF000000;
+        mColorOpaque = color | 0xFF000000;
 
         if (maxRadius != RippleDrawable.RADIUS_AUTO) {
             mHasMaxRadius = true;
@@ -236,6 +237,9 @@
         if (N > 0) {
             cancelHardwareAnimations(false);
 
+            // We canceled old animations, but we're about to run new ones.
+            mHardwareAnimating = true;
+
             for (int i = 0; i < N; i++) {
                 pendingAnimations.get(i).setTarget(c);
                 pendingAnimations.get(i).start();
@@ -253,9 +257,8 @@
     private boolean drawSoftware(Canvas c, Paint p) {
         boolean hasContent = false;
 
-        // Cache the paint alpha so we can restore it later.
-        final int paintAlpha = p.getAlpha();
-        final int alpha = (int) (paintAlpha * mOpacity + 0.5f);
+        p.setColor(mColorOpaque);
+        final int alpha = (int) (255 * mOpacity + 0.5f);
         final float radius = MathUtils.lerp(0, mOuterRadius, mTweenRadius);
         if (alpha > 0 && radius > 0) {
             final float x = MathUtils.lerp(
@@ -268,8 +271,6 @@
             hasContent = true;
         }
 
-        p.setAlpha(paintAlpha);
-
         return hasContent;
     }
 
@@ -369,7 +370,7 @@
         final float startRadius = MathUtils.lerp(0, mOuterRadius, mTweenRadius);
         final Paint paint = getTempPaint();
         paint.setAntiAlias(true);
-        paint.setColor(mColor);
+        paint.setColor(mColorOpaque);
         paint.setAlpha((int) (255 * mOpacity + 0.5f));
         paint.setStyle(Style.FILL);
         mPropPaint = CanvasProperty.createPaint(paint);
@@ -402,6 +403,12 @@
 
         mHardwareAnimating = true;
 
+        // Set up the software values to match the hardware end values.
+        mOpacity = 0;
+        mTweenX = 1;
+        mTweenY = 1;
+        mTweenRadius = 1;
+
         invalidateSelf();
     }
 
@@ -412,7 +419,7 @@
     public void jump() {
         mCanceled = true;
         endSoftwareAnimations();
-        endHardwareAnimations();
+        cancelHardwareAnimations(true);
         mCanceled = false;
     }
 
@@ -438,24 +445,6 @@
         }
     }
 
-    private void endHardwareAnimations() {
-        final ArrayList<RenderNodeAnimator> runningAnimations = mRunningAnimations;
-        final int N = runningAnimations.size();
-        for (int i = 0; i < N; i++) {
-            runningAnimations.get(i).end();
-        }
-        runningAnimations.clear();
-
-        // Abort any pending animations. Since we always have a completion
-        // listener on a pending animation, we also need to remove ourselves.
-        if (!mPendingAnimations.isEmpty()) {
-            mPendingAnimations.clear();
-            removeSelf();
-        }
-
-        mHardwareAnimating = false;
-    }
-
     private Paint getTempPaint() {
         if (mTempPaint == null) {
             mTempPaint = new Paint();
diff --git a/graphics/java/android/graphics/drawable/RippleBackground.java b/graphics/java/android/graphics/drawable/RippleBackground.java
index 80ecea3..bc6f5fb 100644
--- a/graphics/java/android/graphics/drawable/RippleBackground.java
+++ b/graphics/java/android/graphics/drawable/RippleBackground.java
@@ -22,6 +22,7 @@
 import android.animation.TimeInterpolator;
 import android.graphics.Canvas;
 import android.graphics.CanvasProperty;
+import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.Paint.Style;
 import android.graphics.Rect;
@@ -46,8 +47,6 @@
     private static final float WAVE_OUTER_SIZE_INFLUENCE_MAX = 200f;
     private static final float WAVE_OUTER_SIZE_INFLUENCE_MIN = 40f;
 
-    private static final long RIPPLE_ENTER_DELAY = 80;
-
     // Hardware animators.
     private final ArrayList<RenderNodeAnimator> mRunningAnimations =
             new ArrayList<RenderNodeAnimator>();
@@ -60,7 +59,10 @@
     private final Rect mBounds;
 
     /** Full-opacity color for drawing this ripple. */
-    private int mColor;
+    private int mColorOpaque;
+
+    /** Maximum alpha value for drawing this ripple. */
+    private int mColorAlpha;
 
     /** Maximum ripple radius. */
     private float mOuterRadius;
@@ -103,7 +105,8 @@
     }
 
     public void setup(int maxRadius, int color, float density) {
-        mColor = color | 0xFF000000;
+        mColorOpaque = color | 0xFF000000;
+        mColorAlpha = Color.alpha(color);
 
         if (maxRadius != RippleDrawable.RADIUS_AUTO) {
             mHasMaxRadius = true;
@@ -159,6 +162,11 @@
         return hasContent;
     }
 
+    public boolean shouldDraw() {
+        final int outerAlpha = (int) (mColorAlpha * mOuterOpacity + 0.5f);
+        return mCanUseHardware && mHardwareAnimating || outerAlpha > 0 && mOuterRadius > 0;
+    }
+
     private boolean drawHardware(HardwareCanvas c) {
         // If we have any pending hardware animations, cancel any running
         // animations and start those now.
@@ -167,6 +175,9 @@
         if (N > 0) {
             cancelHardwareAnimations(false);
 
+            // We canceled old animations, but we're about to run new ones.
+            mHardwareAnimating = true;
+
             for (int i = 0; i < N; i++) {
                 pendingAnimations.get(i).setTarget(c);
                 pendingAnimations.get(i).start();
@@ -184,10 +195,8 @@
     private boolean drawSoftware(Canvas c, Paint p) {
         boolean hasContent = false;
 
-        // Cache the paint alpha so we can restore it later.
-        final int paintAlpha = p.getAlpha();
-
-        final int outerAlpha = (int) (paintAlpha * mOuterOpacity + 0.5f);
+        p.setColor(mColorOpaque);
+        final int outerAlpha = (int) (mColorAlpha * mOuterOpacity + 0.5f);
         if (outerAlpha > 0 && mOuterRadius > 0) {
             p.setAlpha(outerAlpha);
             p.setStyle(Style.FILL);
@@ -195,8 +204,6 @@
             hasContent = true;
         }
 
-        p.setAlpha(paintAlpha);
-
         return hasContent;
     }
 
@@ -248,25 +255,25 @@
         // Determine at what time the inner and outer opacity intersect.
         // inner(t) = mOpacity - t * WAVE_OPACITY_DECAY_VELOCITY / 1000
         // outer(t) = mOuterOpacity + t * WAVE_OUTER_OPACITY_VELOCITY / 1000
-        final int outerInflection = Math.max(0, (int) (1000 * (1 - mOuterOpacity)
+        final int inflectionDuration = Math.max(0, (int) (1000 * (1 - mOuterOpacity)
                 / (WAVE_OPACITY_DECAY_VELOCITY + outerOpacityVelocity) + 0.5f));
-        final int inflectionOpacity = (int) (255 * (mOuterOpacity + outerInflection
-                * outerOpacityVelocity * outerSizeInfluence / 1000) + 0.5f);
+        final int inflectionOpacity = (int) (mColorAlpha * (mOuterOpacity
+                + inflectionDuration * outerOpacityVelocity * outerSizeInfluence / 1000) + 0.5f);
 
         if (mCanUseHardware) {
-            exitHardware(opacityDuration, outerInflection, inflectionOpacity);
+            exitHardware(opacityDuration, inflectionDuration, inflectionOpacity);
         } else {
-            exitSoftware(opacityDuration, outerInflection, inflectionOpacity);
+            exitSoftware(opacityDuration, inflectionDuration, inflectionOpacity);
         }
     }
 
-    private void exitHardware(int opacityDuration, int outerInflection, int inflectionOpacity) {
+    private void exitHardware(int opacityDuration, int inflectionDuration, int inflectionOpacity) {
         mPendingAnimations.clear();
 
         final Paint outerPaint = getTempPaint();
         outerPaint.setAntiAlias(true);
-        outerPaint.setColor(mColor);
-        outerPaint.setAlpha((int) (255 * mOuterOpacity + 0.5f));
+        outerPaint.setColor(mColorOpaque);
+        outerPaint.setAlpha((int) (mColorAlpha * mOuterOpacity + 0.5f));
         outerPaint.setStyle(Style.FILL);
         mPropOuterPaint = CanvasProperty.createPaint(outerPaint);
         mPropOuterRadius = CanvasProperty.createFloat(mOuterRadius);
@@ -274,21 +281,21 @@
         mPropOuterY = CanvasProperty.createFloat(mOuterY);
 
         final RenderNodeAnimator outerOpacityAnim;
-        if (outerInflection > 0) {
+        if (inflectionDuration > 0) {
             // Outer opacity continues to increase for a bit.
-            outerOpacityAnim = new RenderNodeAnimator(
-                    mPropOuterPaint, RenderNodeAnimator.PAINT_ALPHA, inflectionOpacity);
-            outerOpacityAnim.setDuration(outerInflection);
+            outerOpacityAnim = new RenderNodeAnimator(mPropOuterPaint,
+                    RenderNodeAnimator.PAINT_ALPHA, inflectionOpacity);
+            outerOpacityAnim.setDuration(inflectionDuration);
             outerOpacityAnim.setInterpolator(LINEAR_INTERPOLATOR);
 
             // Chain the outer opacity exit animation.
-            final int outerDuration = opacityDuration - outerInflection;
+            final int outerDuration = opacityDuration - inflectionDuration;
             if (outerDuration > 0) {
                 final RenderNodeAnimator outerFadeOutAnim = new RenderNodeAnimator(
                         mPropOuterPaint, RenderNodeAnimator.PAINT_ALPHA, 0);
                 outerFadeOutAnim.setDuration(outerDuration);
                 outerFadeOutAnim.setInterpolator(LINEAR_INTERPOLATOR);
-                outerFadeOutAnim.setStartDelay(outerInflection);
+                outerFadeOutAnim.setStartDelay(inflectionDuration);
                 outerFadeOutAnim.setStartValue(inflectionOpacity);
                 outerFadeOutAnim.addListener(mAnimationListener);
 
@@ -320,7 +327,7 @@
      */
     public void jump() {
         endSoftwareAnimations();
-        endHardwareAnimations();
+        cancelHardwareAnimations(true);
     }
 
     private void endSoftwareAnimations() {
@@ -330,23 +337,6 @@
         }
     }
 
-    private void endHardwareAnimations() {
-        final ArrayList<RenderNodeAnimator> runningAnimations = mRunningAnimations;
-        final int N = runningAnimations.size();
-        for (int i = 0; i < N; i++) {
-            runningAnimations.get(i).end();
-        }
-        runningAnimations.clear();
-
-        // Abort any pending animations. Since we always have a completion
-        // listener on a pending animation, we also need to remove ourselves.
-        if (!mPendingAnimations.isEmpty()) {
-            mPendingAnimations.clear();
-        }
-
-        mHardwareAnimating = false;
-    }
-
     private Paint getTempPaint() {
         if (mTempPaint == null) {
             mTempPaint = new Paint();
@@ -354,18 +344,18 @@
         return mTempPaint;
     }
 
-    private void exitSoftware(int opacityDuration, int outerInflection, int inflectionOpacity) {
+    private void exitSoftware(int opacityDuration, int inflectionDuration, int inflectionOpacity) {
         final ObjectAnimator outerOpacityAnim;
-        if (outerInflection > 0) {
+        if (inflectionDuration > 0) {
             // Outer opacity continues to increase for a bit.
             outerOpacityAnim = ObjectAnimator.ofFloat(this,
                     "outerOpacity", inflectionOpacity / 255.0f);
             outerOpacityAnim.setAutoCancel(true);
-            outerOpacityAnim.setDuration(outerInflection);
+            outerOpacityAnim.setDuration(inflectionDuration);
             outerOpacityAnim.setInterpolator(LINEAR_INTERPOLATOR);
 
             // Chain the outer opacity exit animation.
-            final int outerDuration = opacityDuration - outerInflection;
+            final int outerDuration = opacityDuration - inflectionDuration;
             if (outerDuration > 0) {
                 outerOpacityAnim.addListener(new AnimatorListenerAdapter() {
                     @Override
@@ -446,14 +436,4 @@
             mHardwareAnimating = false;
         }
     };
-
-    /**
-    * Interpolator with a smooth log deceleration
-    */
-    private static final class LogInterpolator implements TimeInterpolator {
-        @Override
-        public float getInterpolation(float input) {
-            return 1 - (float) Math.pow(400, -input * 1.4);
-        }
-    }
 }
diff --git a/graphics/java/android/graphics/drawable/RippleDrawable.java b/graphics/java/android/graphics/drawable/RippleDrawable.java
index fa762b7..b05fb61 100644
--- a/graphics/java/android/graphics/drawable/RippleDrawable.java
+++ b/graphics/java/android/graphics/drawable/RippleDrawable.java
@@ -242,7 +242,7 @@
 
     @Override
     protected boolean onStateChange(int[] stateSet) {
-        super.onStateChange(stateSet);
+        final boolean changed = super.onStateChange(stateSet);
 
         boolean enabled = false;
         boolean pressed = false;
@@ -263,19 +263,7 @@
         setRippleActive(enabled && pressed);
         setBackgroundActive(focused || (enabled && pressed));
 
-        // Update the paint color. Only applicable when animated in software.
-        if (mRipplePaint != null && mState.mColor != null) {
-            final ColorStateList stateList = mState.mColor;
-            final int newColor = stateList.getColorForState(stateSet, 0);
-            final int oldColor = mRipplePaint.getColor();
-            if (oldColor != newColor) {
-                mRipplePaint.setColor(newColor);
-                invalidateSelf();
-                return true;
-            }
-        }
-
-        return false;
+        return changed;
     }
 
     private void setRippleActive(boolean active) {
@@ -587,6 +575,10 @@
             ripples[i].onHotspotBoundsChanged();
         }
 
+        if (mRipple != null) {
+            mRipple.onHotspotBoundsChanged();
+        }
+
         if (mBackground != null) {
             mBackground.onHotspotBoundsChanged();
         }
@@ -617,17 +609,23 @@
         final boolean drawNonMaskContent = mLayerState.mNum > (hasMask ? 1 : 0);
         final boolean drawMask = hasMask && mMask.getOpacity() != PixelFormat.OPAQUE;
         final Rect bounds = getDirtyBounds();
+        final int saveCount = canvas.save(Canvas.CLIP_SAVE_FLAG);
+        canvas.clipRect(bounds);
 
         // If we have content, draw it into a layer first.
-        final int contentLayer = drawNonMaskContent ?
-                drawContentLayer(canvas, bounds, SRC_OVER) : -1;
+        final int contentLayer;
+        if (drawNonMaskContent) {
+            contentLayer = drawContentLayer(canvas, bounds, SRC_OVER);
+        } else {
+            contentLayer = -1;
+        }
 
         // Next, try to draw the ripples (into a layer if necessary). If we need
         // to mask against the underlying content, set the xfermode to SRC_ATOP.
         final PorterDuffXfermode xfermode = (hasMask || !drawNonMaskContent) ? SRC_OVER : SRC_ATOP;
 
         // If we have a background and a non-opaque mask, draw the masking layer.
-        final int backgroundLayer = drawBackgroundLayer(canvas, bounds, xfermode);
+        final int backgroundLayer = drawBackgroundLayer(canvas, bounds, xfermode, drawMask);
         if (backgroundLayer >= 0) {
             if (drawMask) {
                 drawMaskingLayer(canvas, bounds, DST_IN);
@@ -644,10 +642,13 @@
             canvas.restoreToCount(rippleLayer);
         }
 
-        // Composite the layers if needed.
-        if (contentLayer >= 0) {
-            canvas.restoreToCount(contentLayer);
+        // If we failed to draw anything, at least draw a color so that
+        // invalidation works correctly.
+        if (contentLayer < 0 && backgroundLayer < 0 && rippleLayer < 0) {
+            canvas.drawColor(Color.TRANSPARENT);
         }
+
+        canvas.restoreToCount(saveCount);
     }
 
     /**
@@ -711,81 +712,29 @@
         return restoreToCount;
     }
 
-    private int drawBackgroundLayer(Canvas canvas, Rect bounds, PorterDuffXfermode mode) {
-        // Separate the ripple color and alpha channel. The alpha will be
-        // applied when we merge the ripples down to the canvas.
-        final int rippleARGB;
-        if (mState.mColor != null) {
-            rippleARGB = mState.mColor.getColorForState(getState(), Color.TRANSPARENT);
-        } else {
-            rippleARGB = Color.TRANSPARENT;
+    private int drawBackgroundLayer(
+            Canvas canvas, Rect bounds, PorterDuffXfermode mode, boolean drawMask) {
+        int saveCount = -1;
+
+        if (mBackground != null && mBackground.shouldDraw()) {
+            // TODO: We can avoid saveLayer here if we push the xfermode into
+            // the background's render thread animator at exit() time.
+            if (drawMask || mode != SRC_OVER) {
+                saveCount = canvas.saveLayer(bounds.left, bounds.top, bounds.right,
+                        bounds.bottom, getMaskingPaint(mode));
+            }
+
+            final float x = mHotspotBounds.exactCenterX();
+            final float y = mHotspotBounds.exactCenterY();
+            canvas.translate(x, y);
+            mBackground.draw(canvas, getRipplePaint());
+            canvas.translate(-x, -y);
         }
 
-        if (mRipplePaint == null) {
-            mRipplePaint = new Paint();
-            mRipplePaint.setAntiAlias(true);
-        }
-
-        final int rippleAlpha = Color.alpha(rippleARGB);
-        final Paint ripplePaint = mRipplePaint;
-        ripplePaint.setColor(rippleARGB);
-        ripplePaint.setAlpha(0xFF);
-
-        boolean drewRipples = false;
-        int restoreToCount = -1;
-        int restoreTranslate = -1;
-
-        // Draw background.
-        final RippleBackground background = mBackground;
-        if (background != null) {
-            // If we're masking the ripple layer, make sure we have a layer
-            // first. This will merge SRC_OVER (directly) onto the canvas.
-            final Paint maskingPaint = getMaskingPaint(mode);
-            maskingPaint.setAlpha(rippleAlpha);
-            restoreToCount = canvas.saveLayer(bounds.left, bounds.top,
-                    bounds.right, bounds.bottom, maskingPaint);
-
-            restoreTranslate = canvas.save();
-            // Translate the canvas to the current hotspot bounds.
-            canvas.translate(mHotspotBounds.exactCenterX(), mHotspotBounds.exactCenterY());
-
-            drewRipples = background.draw(canvas, ripplePaint);
-        }
-
-        // Always restore the translation.
-        if (restoreTranslate >= 0) {
-            canvas.restoreToCount(restoreTranslate);
-        }
-
-        // If we created a layer with no content, merge it immediately.
-        if (restoreToCount >= 0 && !drewRipples) {
-            canvas.restoreToCount(restoreToCount);
-            restoreToCount = -1;
-        }
-
-        return restoreToCount;
+        return saveCount;
     }
 
     private int drawRippleLayer(Canvas canvas, Rect bounds, PorterDuffXfermode mode) {
-        // Separate the ripple color and alpha channel. The alpha will be
-        // applied when we merge the ripples down to the canvas.
-        final int rippleARGB;
-        if (mState.mColor != null) {
-            rippleARGB = mState.mColor.getColorForState(getState(), Color.TRANSPARENT);
-        } else {
-            rippleARGB = Color.TRANSPARENT;
-        }
-
-        if (mRipplePaint == null) {
-            mRipplePaint = new Paint();
-            mRipplePaint.setAntiAlias(true);
-        }
-
-        final int rippleAlpha = Color.alpha(rippleARGB);
-        final Paint ripplePaint = mRipplePaint;
-        ripplePaint.setColor(rippleARGB);
-        ripplePaint.setAlpha(0xFF);
-
         boolean drewRipples = false;
         int restoreToCount = -1;
         int restoreTranslate = -1;
@@ -807,16 +756,21 @@
             // first. This will merge SRC_OVER (directly) onto the canvas.
             if (restoreToCount < 0) {
                 final Paint maskingPaint = getMaskingPaint(mode);
-                maskingPaint.setAlpha(rippleAlpha);
+                final int color = mState.mColor.getColorForState(getState(), Color.TRANSPARENT);
+                final int alpha = Color.alpha(color);
+                maskingPaint.setAlpha(alpha / 2);
+
+                // TODO: We can avoid saveLayer here if we're only drawing one
+                // ripple and we don't have content or a translucent mask.
                 restoreToCount = canvas.saveLayer(bounds.left, bounds.top,
                         bounds.right, bounds.bottom, maskingPaint);
 
-                restoreTranslate = canvas.save();
                 // Translate the canvas to the current hotspot bounds.
+                restoreTranslate = canvas.save();
                 canvas.translate(mHotspotBounds.exactCenterX(), mHotspotBounds.exactCenterY());
             }
 
-            drewRipples |= ripple.draw(canvas, ripplePaint);
+            drewRipples |= ripple.draw(canvas, getRipplePaint());
         }
 
         // Always restore the translation.
@@ -845,6 +799,14 @@
         return restoreToCount;
     }
 
+    private Paint getRipplePaint() {
+        if (mRipplePaint == null) {
+            mRipplePaint = new Paint();
+            mRipplePaint.setAntiAlias(true);
+        }
+        return mRipplePaint;
+    }
+
     private Paint getMaskingPaint(PorterDuffXfermode xfermode) {
         if (mMaskingPaint == null) {
             mMaskingPaint = new Paint();
diff --git a/libs/hwui/AnimationContext.cpp b/libs/hwui/AnimationContext.cpp
index 716dcf5..a20bdae 100644
--- a/libs/hwui/AnimationContext.cpp
+++ b/libs/hwui/AnimationContext.cpp
@@ -17,7 +17,6 @@
 
 #include "Animator.h"
 #include "RenderNode.h"
-#include "TreeInfo.h"
 #include "renderthread/TimeLord.h"
 
 namespace android {
@@ -34,7 +33,7 @@
 }
 
 void AnimationContext::destroy() {
-    startFrame();
+    startFrame(TreeInfo::MODE_RT_ONLY);
     while (mCurrentFrameAnimations.mNextHandle) {
         AnimationHandle* current = mCurrentFrameAnimations.mNextHandle;
         AnimatorManager& animators = current->mRenderNode->animators();
@@ -55,7 +54,7 @@
     handle->insertAfter(&mNextFrameAnimations);
 }
 
-void AnimationContext::startFrame() {
+void AnimationContext::startFrame(TreeInfo::TraversalMode mode) {
     LOG_ALWAYS_FATAL_IF(mCurrentFrameAnimations.mNextHandle,
             "Missed running animations last frame!");
     AnimationHandle* head = mNextFrameAnimations.mNextHandle;
diff --git a/libs/hwui/AnimationContext.h b/libs/hwui/AnimationContext.h
index 9b3d5f4..909ed36 100644
--- a/libs/hwui/AnimationContext.h
+++ b/libs/hwui/AnimationContext.h
@@ -20,6 +20,7 @@
 #include <utils/RefBase.h>
 #include <utils/StrongPointer.h>
 
+#include "TreeInfo.h"
 #include "renderthread/TimeLord.h"
 #include "utils/Macros.h"
 
@@ -30,7 +31,6 @@
 class AnimationListener;
 class BaseRenderNodeAnimator;
 class RenderNode;
-class TreeInfo;
 
 /*
  * AnimationHandle is several classes merged into one.
@@ -90,7 +90,7 @@
 
     // Marks the start of a frame, which will update the frame time and move all
     // next frame animations into the current frame
-    ANDROID_API virtual void startFrame();
+    ANDROID_API virtual void startFrame(TreeInfo::TraversalMode mode);
 
     // Runs any animations still left in mCurrentFrameAnimations that were not run
     // as part of the standard RenderNode:prepareTree pass.
diff --git a/libs/hwui/Animator.h b/libs/hwui/Animator.h
index 1ab6235..35a4a09 100644
--- a/libs/hwui/Animator.h
+++ b/libs/hwui/Animator.h
@@ -53,6 +53,10 @@
         mListener = listener;
     }
     AnimationListener* listener() { return mListener.get(); }
+    ANDROID_API void setAllowRunningAsync(bool mayRunAsync) {
+        mMayRunAsync = mayRunAsync;
+    }
+    bool mayRunAsync() { return mMayRunAsync; }
     ANDROID_API void start() { mStagingPlayState = RUNNING; onStagingPlayStateChanged(); }
     ANDROID_API void end() { mStagingPlayState = FINISHED; onStagingPlayStateChanged(); }
 
@@ -101,6 +105,7 @@
     nsecs_t mStartTime;
     nsecs_t mDuration;
     nsecs_t mStartDelay;
+    bool mMayRunAsync;
 
     sp<AnimationListener> mListener;
 
diff --git a/libs/hwui/AnimatorManager.cpp b/libs/hwui/AnimatorManager.cpp
index e06d800..c28fb88 100644
--- a/libs/hwui/AnimatorManager.cpp
+++ b/libs/hwui/AnimatorManager.cpp
@@ -90,6 +90,9 @@
             if (animator->isRunning()) {
                 mInfo.out.hasAnimations = true;
             }
+            if (CC_UNLIKELY(!animator->mayRunAsync())) {
+                mInfo.out.requiresUiRedraw = true;
+            }
         }
         return remove;
     }
diff --git a/libs/hwui/RenderProperties.h b/libs/hwui/RenderProperties.h
index 0c8d07f..46eeb6a 100644
--- a/libs/hwui/RenderProperties.h
+++ b/libs/hwui/RenderProperties.h
@@ -569,6 +569,10 @@
         return getClipToBounds() && (getZ() <= 0 || getOutline().isEmpty());
     }
 
+    bool hasShadow() const {
+        return getZ() >= 0.0f && getOutline().getPath() != NULL;
+    }
+
 private:
     // Rendering properties
     struct PrimitiveFields {
diff --git a/libs/hwui/RenderState.cpp b/libs/hwui/RenderState.cpp
index a7c5e85..ec8307f 100644
--- a/libs/hwui/RenderState.cpp
+++ b/libs/hwui/RenderState.cpp
@@ -38,6 +38,7 @@
 }
 
 void RenderState::onGLContextDestroyed() {
+    AutoMutex _lock(mLayerLock);
     if (CC_UNLIKELY(!mActiveLayers.empty())) {
         mCaches->dumpMemoryUsage();
         for (std::set<renderthread::CanvasContext*>::iterator cit = mRegisteredContexts.begin();
@@ -51,6 +52,13 @@
             }
             context->mRootRenderNode->debugDumpLayers("  ");
         }
+
+        for (std::set<const Layer*>::iterator lit = mActiveLayers.begin();
+             lit != mActiveLayers.end(); lit++) {
+            const Layer* layer = *(lit);
+            ALOGD("Layer %p, fbo %d, buildlayered %d",
+                    layer, layer->getFbo(), layer->wasBuildLayered);
+        }
         LOG_ALWAYS_FATAL("layers have survived gl context destruction");
     }
 }
diff --git a/libs/hwui/RenderState.h b/libs/hwui/RenderState.h
index c7ab197..74bafca 100644
--- a/libs/hwui/RenderState.h
+++ b/libs/hwui/RenderState.h
@@ -19,6 +19,7 @@
 #include <set>
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
+#include <utils/Mutex.h>
 
 #include <private/hwui/DrawGlInfo.h>
 
@@ -52,9 +53,11 @@
     void debugOverdraw(bool enable, bool clear);
 
     void registerLayer(const Layer* layer) {
+        AutoMutex _lock(mLayerLock);
         mActiveLayers.insert(layer);
     }
     void unregisterLayer(const Layer* layer) {
+        AutoMutex _lock(mLayerLock);
         mActiveLayers.erase(layer);
     }
 
@@ -83,6 +86,7 @@
     GLsizei mViewportWidth;
     GLsizei mViewportHeight;
     GLuint mFramebuffer;
+    Mutex mLayerLock;
 };
 
 } /* namespace uirenderer */
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 4129a89..5e6796c 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -150,7 +150,7 @@
     if (mPrefetechedLayers.size() && info.mode == TreeInfo::MODE_FULL) {
         info.canvasContext = this;
     }
-    mAnimationContext->startFrame();
+    mAnimationContext->startFrame(info.mode);
     mRootRenderNode->prepareTree(info);
     mAnimationContext->runRemainingAnimations(info);
 
diff --git a/media/java/android/media/AudioAttributes.java b/media/java/android/media/AudioAttributes.java
index 308f783..9b644f4 100644
--- a/media/java/android/media/AudioAttributes.java
+++ b/media/java/android/media/AudioAttributes.java
@@ -530,7 +530,6 @@
         }
     }
 
-    /** @hide */
     public static final Parcelable.Creator<AudioAttributes> CREATOR
             = new Parcelable.Creator<AudioAttributes>() {
         /**
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index 9ee7027..e3b8985 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -243,7 +243,7 @@
      * or unplugged.
      * An integer value of 1 indicates a plugged-in state, 0 is unplugged.
      */
-    public static final String EXTRA_AUDIO_PLUG_STATE = "android.media.extra.audio_plug_state";
+    public static final String EXTRA_AUDIO_PLUG_STATE = "android.media.extra.AUDIO_PLUG_STATE";
 
     /**
      * Extra used in {@link #ACTION_HDMI_AUDIO_PLUG} to define the maximum number of channels
@@ -251,7 +251,7 @@
      * The corresponding integer value is only available when the device is plugged in (as expressed
      * by {@link #EXTRA_AUDIO_PLUG_STATE}).
      */
-    public static final String EXTRA_MAX_CHANNEL_COUNT = "android.media.extra.max_channel_count";
+    public static final String EXTRA_MAX_CHANNEL_COUNT = "android.media.extra.MAX_CHANNEL_COUNT";
 
     /**
      * Extra used in {@link #ACTION_HDMI_AUDIO_PLUG} to define the audio encodings supported by
@@ -261,7 +261,7 @@
      * {@link AudioFormat} (for instance see {@link AudioFormat#ENCODING_PCM_16BIT}). Use
      * {@link android.content.Intent#getIntArrayExtra(String)} to retrieve the encoding values.
      */
-    public static final String EXTRA_ENCODINGS = "android.media.extra.encodings";
+    public static final String EXTRA_ENCODINGS = "android.media.extra.ENCODINGS";
 
     /**
      * Broadcast Action: An analog audio speaker/headset plugged in or unplugged.
diff --git a/media/java/android/media/MediaCodec.java b/media/java/android/media/MediaCodec.java
index 3e8ee93..675916b 100644
--- a/media/java/android/media/MediaCodec.java
+++ b/media/java/android/media/MediaCodec.java
@@ -1622,8 +1622,7 @@
      * @throws IllegalStateException if in the Uninitialized state.
      */
     public MediaCodecInfo getCodecInfo() {
-        return MediaCodecList.getCodecInfoAt(
-                   MediaCodecList.findCodecByName(getName()));
+        return MediaCodecList.getInfoFor(getName());
     }
 
     private native final ByteBuffer[] getBuffers(boolean input);
diff --git a/media/java/android/media/MediaCodecInfo.java b/media/java/android/media/MediaCodecInfo.java
index 323a3e3..01f8193 100644
--- a/media/java/android/media/MediaCodecInfo.java
+++ b/media/java/android/media/MediaCodecInfo.java
@@ -321,6 +321,9 @@
             // check feature support
             for (Feature feat: getValidFeatures()) {
                 Integer yesNo = (Integer)map.get(MediaFormat.KEY_FEATURE_ + feat.mName);
+                if (yesNo == null) {
+                    continue;
+                }
                 if ((yesNo == 1 && !isFeatureSupported(feat.mName)) ||
                         (yesNo == 0 && isFeatureRequired(feat.mName))) {
                     return false;
@@ -414,7 +417,7 @@
          * profile} and {@code level}.  If the type, or profile-level combination
          * is not understood by the framework, it returns null.
          */
-        public static CodecCapabilities CreateFromProfileLevel(
+        public static CodecCapabilities createFromProfileLevel(
                 String mime, int profile, int level) {
             CodecProfileLevel pl = new CodecProfileLevel();
             pl.profile = profile;
@@ -470,13 +473,12 @@
                 Integer yesNo = (Integer)map.get(key);
                 if (yesNo == null) {
                     continue;
-                } else if (yesNo > 0) {
-                    mFlagsRequired |= feat.mValue;
-                    mDefaultFormat.setInteger(key, 1);
-                } else {
-                    mFlagsSupported |= feat.mValue;
-                    mDefaultFormat.setInteger(key, 1);
                 }
+                if (yesNo > 0) {
+                    mFlagsRequired |= feat.mValue;
+                }
+                mFlagsSupported |= feat.mValue;
+                mDefaultFormat.setInteger(key, 1);
                 // TODO restrict features by mFlagsVerified once all codecs reliably verify them
             }
         }
diff --git a/media/java/android/media/MediaCodecList.java b/media/java/android/media/MediaCodecList.java
index 5084c5c..85e9b16 100644
--- a/media/java/android/media/MediaCodecList.java
+++ b/media/java/android/media/MediaCodecList.java
@@ -116,6 +116,11 @@
 
     /* package private */ static native final int findCodecByName(String codec);
 
+    /** @hide */
+    public static MediaCodecInfo getInfoFor(String codec) {
+        return sAllCodecInfos[findCodecByName(codec)];
+    }
+
     private static native final void native_init();
 
     /**
diff --git a/packages/PrintSpooler/res/layout/preview_page_loading.xml b/packages/PrintSpooler/res/layout/preview_page_loading.xml
new file mode 100644
index 0000000..1af3a17
--- /dev/null
+++ b/packages/PrintSpooler/res/layout/preview_page_loading.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent">
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="36dip"
+        android:layout_gravity="center"
+        android:src="@drawable/ic_grayedout_printer"
+        android:contentDescription="@null"
+        android:scaleType="centerInside"
+        android:adjustViewBounds="true">
+    </ImageView>
+
+</FrameLayout>
diff --git a/packages/PrintSpooler/res/values-land/constants.xml b/packages/PrintSpooler/res/values-land/constants.xml
index 6cf9754b5..84fc050 100644
--- a/packages/PrintSpooler/res/values-land/constants.xml
+++ b/packages/PrintSpooler/res/values-land/constants.xml
@@ -16,7 +16,7 @@
 
 <resources>
 
-    <integer name="preview_page_per_row_count">2</integer>
+    <integer name="preview_page_per_row_count">4</integer>
 
     <integer name="print_option_column_count">3</integer>
 
diff --git a/packages/PrintSpooler/res/values/strings.xml b/packages/PrintSpooler/res/values/strings.xml
index 5b7fda3..27e1d51 100644
--- a/packages/PrintSpooler/res/values/strings.xml
+++ b/packages/PrintSpooler/res/values/strings.xml
@@ -76,7 +76,6 @@
     <!-- Title for the print dialog announced to the user for accessibility. Not shown in the UI. [CHAR LIMIT=none] -->
     <string name="print_dialog">Print dialog</string>
 
-
     <!-- Template for the message that shows the current page out of the total number of pages -->
     <string name="current_page_template"><xliff:g id="current_page">%1$d</xliff:g>
         /<xliff:g id="page_count">%2$d</xliff:g></string>
diff --git a/packages/PrintSpooler/src/com/android/printspooler/model/RemotePrintDocument.java b/packages/PrintSpooler/src/com/android/printspooler/model/RemotePrintDocument.java
index 09e8b39..1e7a011 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/model/RemotePrintDocument.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/model/RemotePrintDocument.java
@@ -317,6 +317,11 @@
         return mState == STATE_FAILED;
     }
 
+    public boolean hasLaidOutPages() {
+        return mDocumentInfo.info != null
+                && mDocumentInfo.info.getPageCount() > 0;
+    }
+
     public void clearUpdateError() {
         if (!hasUpdateError()) {
             throw new IllegalStateException("No update error to clear");
diff --git a/packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java b/packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java
index d949673..ce0b9b6 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java
@@ -17,6 +17,9 @@
 package com.android.printspooler.ui;
 
 import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.drawable.BitmapDrawable;
 import android.os.ParcelFileDescriptor;
 import android.print.PageRange;
 import android.print.PrintAttributes.MediaSize;
@@ -26,12 +29,12 @@
 import android.support.v7.widget.RecyclerView.ViewHolder;
 import android.util.Log;
 import android.util.SparseArray;
-import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
+import android.view.View.MeasureSpec;
 import android.widget.TextView;
 import com.android.printspooler.R;
 import com.android.printspooler.model.PageContentRepository;
@@ -48,7 +51,7 @@
  * This class represents the adapter for the pages in the print preview list.
  */
 public final class PageAdapter extends Adapter implements
-        PageContentRepository.OnMalformedPdfFileListener{
+        PageContentRepository.OnMalformedPdfFileListener {
     private static final String LOG_TAG = "PageAdapter";
 
     private static final int MAX_PREVIEW_PAGES_BATCH = 50;
@@ -86,6 +89,8 @@
     // Pages the user selected in the UI.
     private PageRange[] mSelectedPages;
 
+    private BitmapDrawable mEmptyState;
+
     private int mDocumentPageCount = PrintDocumentInfo.PAGE_COUNT_UNKNOWN;
     private int mSelectedPageCount;
 
@@ -257,7 +262,7 @@
         }
 
         if (updatePreviewAreaAndPageSize) {
-            updatePreviewAreaAndPageSize();
+            updatePreviewAreaPageSizeAndEmptyState();
         }
 
         if (documentChanged) {
@@ -318,12 +323,12 @@
             }
 
             // OK, there are bugs in recycler view which tries to bind views
-            // without recycling them which would give us a chane to clean up.
+            // without recycling them which would give us a chance to clean up.
             PageContentProvider boundProvider = mPageContentRepository
-                   .peekPageContentProvider(pageIndexInFile);
+                    .peekPageContentProvider(pageIndexInFile);
             if (boundProvider != null) {
                 PageContentView owner = (PageContentView) boundProvider.getOwner();
-                owner.init(null, mMediaSize, mMinMargins);
+                owner.init(null, mEmptyState, mMediaSize, mMinMargins);
                 mPageContentRepository.releasePageContentProvider(boundProvider);
             }
 
@@ -333,7 +338,7 @@
         } else {
             onSelectedPageNotInFile(pageInDocument);
         }
-        content.init(provider, mMediaSize, mMinMargins);
+        content.init(provider, mEmptyState, mMediaSize, mMinMargins);
 
         View pageSelector = page.findViewById(R.id.page_selector);
         pageSelector.setTag(myHolder);
@@ -384,7 +389,7 @@
             mSelectedPages = selectedPages;
             mSelectedPageCount = PageRangeUtils.getNormalizedPageCount(
                     mSelectedPages, mDocumentPageCount);
-            updatePreviewAreaAndPageSize();
+            updatePreviewAreaPageSizeAndEmptyState();
             notifyDataSetChanged();
         }
         return mSelectedPages;
@@ -392,12 +397,12 @@
 
     public void onPreviewAreaSizeChanged() {
         if (mMediaSize != null) {
-            updatePreviewAreaAndPageSize();
+            updatePreviewAreaPageSizeAndEmptyState();
             notifyDataSetChanged();
         }
     }
 
-    private void updatePreviewAreaAndPageSize() {
+    private void updatePreviewAreaPageSizeAndEmptyState() {
         final int availableWidth = mPreviewArea.getWidth();
         final int availableHeight = mPreviewArea.getHeight();
 
@@ -419,7 +424,7 @@
         final int pageContentDesiredHeight = (int) (((float) pageContentDesiredWidth
                 / pageAspectRatio) + 0.5f);
 
-        // If the page does not fit entirely in a vertial direction,
+        // If the page does not fit entirely in a vertical direction,
         // we shirk it but not less than the minimal page width.
         final int pageContentMinHeight = (int) (mPreviewPageMinWidth / pageAspectRatio + 0.5f);
         final int pageContentMaxHeight = Math.max(pageContentMinHeight,
@@ -448,6 +453,23 @@
 
         mPreviewArea.setPadding(horizontalPadding, verticalPadding,
                 horizontalPadding, verticalPadding);
+
+        // Now update the empty state drawable, as it depends on the page
+        // size and is reused for all views for better performance.
+        LayoutInflater inflater = LayoutInflater.from(mContext);
+        View content = inflater.inflate(R.layout.preview_page_loading, null, false);
+        content.measure(MeasureSpec.makeMeasureSpec(mPageContentWidth, MeasureSpec.EXACTLY),
+                MeasureSpec.makeMeasureSpec(mPageContentHeight, MeasureSpec.EXACTLY));
+        content.layout(0, 0, content.getMeasuredWidth(), content.getMeasuredHeight());
+
+        Bitmap bitmap = Bitmap.createBitmap(mPageContentWidth, mPageContentHeight,
+                Bitmap.Config.ARGB_8888);
+        Canvas canvas = new Canvas(bitmap);
+        content.draw(canvas);
+
+        // Do not recycle the old bitmap if such as it may be set as an empty
+        // state to any of the page views. Just let the GC take care of it.
+        mEmptyState = new BitmapDrawable(mContext.getResources(), bitmap);
     }
 
     private PageRange[] computeSelectedPages() {
@@ -718,7 +740,7 @@
     private void recyclePageView(PageContentView page, int pageIndexInAdapter) {
         PageContentProvider provider = page.getPageContentProvider();
         if (provider != null) {
-            page.init(null, null, null);
+            page.init(null, null, null, null);
             mPageContentRepository.releasePageContentProvider(provider);
             mBoundPagesInAdapter.remove(pageIndexInAdapter);
         }
diff --git a/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java b/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
index 022e0d0..535081f 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/ui/PrintActivity.java
@@ -114,14 +114,15 @@
     private static final int DEST_ADAPTER_ITEM_ID_SAVE_AS_PDF = Integer.MAX_VALUE;
     private static final int DEST_ADAPTER_ITEM_ID_ALL_PRINTERS = Integer.MAX_VALUE - 1;
 
-    private static final int STATE_CONFIGURING = 0;
-    private static final int STATE_PRINT_CONFIRMED = 1;
-    private static final int STATE_PRINT_CANCELED = 2;
-    private static final int STATE_UPDATE_FAILED = 3;
-    private static final int STATE_CREATE_FILE_FAILED = 4;
-    private static final int STATE_PRINTER_UNAVAILABLE = 5;
-    private static final int STATE_UPDATE_SLOW = 6;
-    private static final int STATE_PRINT_COMPLETED = 7;
+    private static final int STATE_INITIALIZING = 0;
+    private static final int STATE_CONFIGURING = 1;
+    private static final int STATE_PRINT_CONFIRMED = 2;
+    private static final int STATE_PRINT_CANCELED = 3;
+    private static final int STATE_UPDATE_FAILED = 4;
+    private static final int STATE_CREATE_FILE_FAILED = 5;
+    private static final int STATE_PRINTER_UNAVAILABLE = 6;
+    private static final int STATE_UPDATE_SLOW = 7;
+    private static final int STATE_PRINT_COMPLETED = 8;
 
     private static final int UI_STATE_PREVIEW = 0;
     private static final int UI_STATE_ERROR = 1;
@@ -196,7 +197,7 @@
 
     private int mCurrentPageCount;
 
-    private int mState;
+    private int mState = STATE_INITIALIZING;
 
     private int mUiState = UI_STATE_PREVIEW;
 
@@ -290,10 +291,17 @@
         mPrintedDocument.start();
 
         ensurePreviewUiShown();
+
+        setState(STATE_CONFIGURING);
     }
 
     @Override
     public void onPause() {
+        if (mState == STATE_INITIALIZING) {
+            super.onPause();
+            return;
+        }
+
         if (isFinishing()) {
             PrintSpoolerService spooler = mSpoolerProvider.getSpooler();
             spooler.updatePrintJobUserConfigurableOptionsNoPersistence(mPrintJob);
@@ -341,9 +349,13 @@
 
     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
+        if (mState == STATE_INITIALIZING) {
+            return super.onKeyUp(keyCode, event);
+        }
+
         if (keyCode == KeyEvent.KEYCODE_BACK
                 && event.isTracking() && !event.isCanceled()) {
-            if (mPrintPreviewController != null&&mPrintPreviewController.isOptionsOpened()
+            if (mPrintPreviewController != null && mPrintPreviewController.isOptionsOpened()
                     && !hasErrors()) {
                 mPrintPreviewController.closeOptions();
             } else {
@@ -900,7 +912,7 @@
         final boolean willUpdate = mPrintedDocument.update(mPrintJob.getAttributes(),
                 pages, preview);
 
-        if (willUpdate) {
+        if (willUpdate && !mPrintedDocument.hasLaidOutPages()) {
             // When the update is done we update the print preview.
             mProgressMessageController.post();
             return true;
diff --git a/packages/PrintSpooler/src/com/android/printspooler/ui/PrintPreviewController.java b/packages/PrintSpooler/src/com/android/printspooler/ui/PrintPreviewController.java
index 2b5b41b..a25e05e 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/ui/PrintPreviewController.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/ui/PrintPreviewController.java
@@ -195,6 +195,7 @@
         if (mPageAdapter.isOpened()) {
             mPageAdapter.close(null);
         }
+        mRecyclerView.setAdapter(null);
         mPageAdapter.destroy();
     }
 
diff --git a/packages/PrintSpooler/src/com/android/printspooler/widget/PageContentView.java b/packages/PrintSpooler/src/com/android/printspooler/widget/PageContentView.java
index 23a01bd..e2ae758 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/widget/PageContentView.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/widget/PageContentView.java
@@ -17,17 +17,15 @@
 package com.android.printspooler.widget;
 
 import android.content.Context;
-import android.graphics.Canvas;
 import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.ColorDrawable;
+import android.graphics.drawable.Drawable;
 import android.print.PrintAttributes.MediaSize;
 import android.print.PrintAttributes.Margins;
 import android.util.AttributeSet;
-import android.util.TypedValue;
 import android.view.View;
 import com.android.printspooler.model.PageContentRepository;
-import com.android.printspooler.model.PageContentRepository.PageContentProvider;
 import com.android.printspooler.model.PageContentRepository.RenderSpec;
+import com.android.printspooler.model.PageContentRepository.PageContentProvider;
 
 /**
  * This class represents a page in the print preview list. The width of the page
@@ -37,35 +35,20 @@
  */
 public class PageContentView extends View
         implements PageContentRepository.OnPageContentAvailableCallback {
-
-    private final ColorDrawable mEmptyState;
-
     private PageContentProvider mProvider;
 
     private MediaSize mMediaSize;
 
     private Margins mMinMargins;
 
+    private Drawable mEmptyState;
+
     private boolean mContentRequested;
 
     private boolean mNeedsLayout;
 
     public PageContentView(Context context, AttributeSet attrs) {
         super(context, attrs);
-
-        TypedValue typedValue = new TypedValue();
-        context.getTheme().resolveAttribute(com.android.internal.R.attr.textColorPrimary,
-                typedValue, true);
-
-        mEmptyState = new ColorDrawable(typedValue.data);
-
-        setBackground(mEmptyState);
-    }
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-        super.onDraw(canvas);
-        requestPageContentIfNeeded();
     }
 
     @Override
@@ -85,15 +68,19 @@
         return mProvider;
     }
 
-    public void init(PageContentProvider provider, MediaSize mediaSize, Margins minMargins) {
+    public void init(PageContentProvider provider, Drawable emptyState,
+            MediaSize mediaSize, Margins minMargins) {
         final boolean providerChanged = (mProvider == null)
                 ? provider != null : !mProvider.equals(provider);
+        final boolean loadingDrawableChanged = (mEmptyState == null)
+                ? mEmptyState != null : !mEmptyState.equals(emptyState);
         final boolean mediaSizeChanged = (mMediaSize == null)
                 ? mediaSize != null : !mMediaSize.equals(mediaSize);
         final boolean marginsChanged = (mMinMargins == null)
                 ? minMargins != null : !mMinMargins.equals(minMargins);
 
-        if (!providerChanged && !mediaSizeChanged && !marginsChanged) {
+        if (!providerChanged && !mediaSizeChanged
+                && !marginsChanged && !loadingDrawableChanged) {
             return;
         }
 
@@ -101,6 +88,7 @@
         mMediaSize = mediaSize;
         mMinMargins = minMargins;
 
+        mEmptyState = emptyState;
         mContentRequested = false;
         mNeedsLayout = mNeedsLayout || mediaSizeChanged || marginsChanged;
 
diff --git a/services/core/java/com/android/server/NativeDaemonEvent.java b/services/core/java/com/android/server/NativeDaemonEvent.java
index 2095152..59d50bd 100644
--- a/services/core/java/com/android/server/NativeDaemonEvent.java
+++ b/services/core/java/com/android/server/NativeDaemonEvent.java
@@ -201,20 +201,16 @@
         }
         while (current < length) {
             // find the end of the word
-            if (quoted) {
-                wordEnd = current;
-                while ((wordEnd = rawEvent.indexOf('\"', wordEnd)) != -1) {
-                    if (rawEvent.charAt(wordEnd - 1) != '\\') {
-                        break;
-                    } else {
-                        wordEnd++; // skip this escaped quote and keep looking
-                    }
+            char terminator = quoted ? '\"' : ' ';
+            wordEnd = current;
+            while (wordEnd < length && rawEvent.charAt(wordEnd) != terminator) {
+                if (rawEvent.charAt(wordEnd) == '\\') {
+                    // skip the escaped char
+                    ++wordEnd;
                 }
-            } else {
-                wordEnd = rawEvent.indexOf(' ', current);
+                ++wordEnd;
             }
-            // if we didn't find the end-o-word token, take the rest of the string
-            if (wordEnd == -1) wordEnd = length;
+            if (wordEnd > length) wordEnd = length;
             String word = rawEvent.substring(current, wordEnd);
             current += word.length();
             if (!quoted) {
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index cf7e65c..cb1748d 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -397,8 +397,7 @@
                         break;
                     case NsdManager.NATIVE_DAEMON_EVENT:
                         NativeEvent event = (NativeEvent) msg.obj;
-                        if (!handleNativeEvent(event.code, event.raw,
-                                NativeDaemonEvent.unescapeArgs(event.raw))) {
+                        if (!handleNativeEvent(event.code, event.raw, event.cooked)) {
                             result = NOT_HANDLED;
                         }
                         break;
@@ -474,8 +473,14 @@
                     case NativeResponseCode.SERVICE_RESOLVED:
                         /* NNN resolveId fullName hostName port txtlen txtdata */
                         if (DBG) Slog.d(TAG, "SERVICE_RESOLVED Raw: " + raw);
-                        int index = cooked[2].indexOf(".");
-                        if (index == -1) {
+                        int index = 0;
+                        while (index < cooked[2].length() && cooked[2].charAt(index) != '.') {
+                            if (cooked[2].charAt(index) == '\\') {
+                                ++index;
+                            }
+                            ++index;
+                        }
+                        if (index >= cooked[2].length()) {
                             Slog.e(TAG, "Invalid service found " + raw);
                             break;
                         }
@@ -483,6 +488,8 @@
                         String rest = cooked[2].substring(index);
                         String type = rest.replace(".local.", "");
 
+                        name = unescape(name);
+
                         clientInfo.mResolvedService.setServiceName(name);
                         clientInfo.mResolvedService.setServiceType(type);
                         clientInfo.mResolvedService.setPort(Integer.parseInt(cooked[4]));
@@ -541,6 +548,30 @@
        }
     }
 
+    private String unescape(String s) {
+        StringBuilder sb = new StringBuilder(s.length());
+        for (int i = 0; i < s.length(); ++i) {
+            char c = s.charAt(i);
+            if (c == '\\') {
+                if (++i >= s.length()) {
+                    Slog.e(TAG, "Unexpected end of escape sequence in: " + s);
+                    break;
+                }
+                c = s.charAt(i);
+                if (c != '.' && c != '\\') {
+                    if (i + 2 >= s.length()) {
+                        Slog.e(TAG, "Unexpected end of escape sequence in: " + s);
+                        break;
+                    }
+                    c = (char) ((c-'0') * 100 + (s.charAt(i+1)-'0') * 10 + (s.charAt(i+2)-'0'));
+                    i += 2;
+                }
+            }
+            sb.append(c);
+        }
+        return sb.toString();
+    }
+
     private NativeDaemonConnector mNativeConnector;
     private final CountDownLatch mNativeDaemonConnected = new CountDownLatch(1);
 
@@ -625,10 +656,12 @@
     private class NativeEvent {
         final int code;
         final String raw;
+        final String[] cooked;
 
-        NativeEvent(int code, String raw) {
+        NativeEvent(int code, String raw, String[] cooked) {
             this.code = code;
             this.raw = raw;
+            this.cooked = cooked;
         }
     }
 
@@ -644,7 +677,7 @@
         public boolean onEvent(int code, String raw, String[] cooked) {
             // TODO: NDC translates a message to a callback, we could enhance NDC to
             // directly interact with a state machine through messages
-            NativeEvent event = new NativeEvent(code, raw);
+            NativeEvent event = new NativeEvent(code, raw, cooked);
             mNsdStateMachine.sendMessage(NsdManager.NATIVE_DAEMON_EVENT, event);
             return true;
         }
diff --git a/services/core/java/com/android/server/location/GpsLocationProvider.java b/services/core/java/com/android/server/location/GpsLocationProvider.java
index 2ef9828..0cb8eb8 100644
--- a/services/core/java/com/android/server/location/GpsLocationProvider.java
+++ b/services/core/java/com/android/server/location/GpsLocationProvider.java
@@ -453,11 +453,10 @@
         @Override public void onReceive(Context context, Intent intent) {
             String action = intent.getAction();
 
+            if (DEBUG) Log.d(TAG, "receive broadcast intent, action: " + action);
             if (action.equals(ALARM_WAKEUP)) {
-                if (DEBUG) Log.d(TAG, "ALARM_WAKEUP");
                 startNavigating(false);
             } else if (action.equals(ALARM_TIMEOUT)) {
-                if (DEBUG) Log.d(TAG, "ALARM_TIMEOUT");
                 hibernate();
             } else if (action.equals(Intents.DATA_SMS_RECEIVED_ACTION)) {
                 checkSmsSuplInit(intent);
@@ -691,7 +690,6 @@
         intentFilter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED);
         intentFilter.addAction(Intent.ACTION_SCREEN_OFF);
         intentFilter.addAction(Intent.ACTION_SCREEN_ON);
-        intentFilter = new IntentFilter();
         intentFilter.addAction(SIM_STATE_CHANGED);
         mContext.registerReceiver(mBroadcastReceiver, intentFilter, null, mHandler);
     }
diff --git a/services/core/java/com/android/server/pm/PackageInstallerService.java b/services/core/java/com/android/server/pm/PackageInstallerService.java
index 9a00923..89ea905 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerService.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerService.java
@@ -897,10 +897,9 @@
     private static class Callbacks extends Handler {
         private static final int MSG_SESSION_CREATED = 1;
         private static final int MSG_SESSION_BADGING_CHANGED = 2;
-        private static final int MSG_SESSION_OPENED = 3;
+        private static final int MSG_SESSION_ACTIVE_CHANGED = 3;
         private static final int MSG_SESSION_PROGRESS_CHANGED = 4;
-        private static final int MSG_SESSION_CLOSED = 5;
-        private static final int MSG_SESSION_FINISHED = 6;
+        private static final int MSG_SESSION_FINISHED = 5;
 
         private final RemoteCallbackList<IPackageInstallerCallback>
                 mCallbacks = new RemoteCallbackList<>();
@@ -945,15 +944,12 @@
                 case MSG_SESSION_BADGING_CHANGED:
                     callback.onSessionBadgingChanged(sessionId);
                     break;
-                case MSG_SESSION_OPENED:
-                    callback.onSessionOpened(sessionId);
+                case MSG_SESSION_ACTIVE_CHANGED:
+                    callback.onSessionActiveChanged(sessionId, (boolean) msg.obj);
                     break;
                 case MSG_SESSION_PROGRESS_CHANGED:
                     callback.onSessionProgressChanged(sessionId, (float) msg.obj);
                     break;
-                case MSG_SESSION_CLOSED:
-                    callback.onSessionClosed(sessionId);
-                    break;
                 case MSG_SESSION_FINISHED:
                     callback.onSessionFinished(sessionId, (boolean) msg.obj);
                     break;
@@ -968,18 +964,14 @@
             obtainMessage(MSG_SESSION_BADGING_CHANGED, sessionId, userId).sendToTarget();
         }
 
-        private void notifySessionOpened(int sessionId, int userId) {
-            obtainMessage(MSG_SESSION_OPENED, sessionId, userId).sendToTarget();
+        private void notifySessionActiveChanged(int sessionId, int userId, boolean active) {
+            obtainMessage(MSG_SESSION_ACTIVE_CHANGED, sessionId, userId, active).sendToTarget();
         }
 
         private void notifySessionProgressChanged(int sessionId, int userId, float progress) {
             obtainMessage(MSG_SESSION_PROGRESS_CHANGED, sessionId, userId, progress).sendToTarget();
         }
 
-        private void notifySessionClosed(int sessionId, int userId) {
-            obtainMessage(MSG_SESSION_CLOSED, sessionId, userId).sendToTarget();
-        }
-
         public void notifySessionFinished(int sessionId, int userId, boolean success) {
             obtainMessage(MSG_SESSION_FINISHED, sessionId, userId, success).sendToTarget();
         }
@@ -1022,18 +1014,14 @@
             writeSessionsAsync();
         }
 
-        public void onSessionOpened(PackageInstallerSession session) {
-            mCallbacks.notifySessionOpened(session.sessionId, session.userId);
+        public void onSessionActiveChanged(PackageInstallerSession session, boolean active) {
+            mCallbacks.notifySessionActiveChanged(session.sessionId, session.userId, active);
         }
 
         public void onSessionProgressChanged(PackageInstallerSession session, float progress) {
             mCallbacks.notifySessionProgressChanged(session.sessionId, session.userId, progress);
         }
 
-        public void onSessionClosed(PackageInstallerSession session) {
-            mCallbacks.notifySessionClosed(session.sessionId, session.userId);
-        }
-
         public void onSessionFinished(PackageInstallerSession session, boolean success) {
             mCallbacks.notifySessionFinished(session.sessionId, session.userId, success);
             synchronized (mSessions) {
diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index 85ff54e..f8273c0 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -227,7 +227,7 @@
                     mResolvedBaseFile.getAbsolutePath() : null;
             info.progress = mProgress;
             info.sealed = mSealed;
-            info.open = mOpenCount.get() > 0;
+            info.active = mOpenCount.get() > 0;
 
             info.mode = params.mode;
             info.sizeBytes = params.sizeBytes;
@@ -833,14 +833,14 @@
 
     public void open() {
         if (mOpenCount.getAndIncrement() == 0) {
-            mCallback.onSessionOpened(this);
+            mCallback.onSessionActiveChanged(this, true);
         }
     }
 
     @Override
     public void close() {
         if (mOpenCount.decrementAndGet() == 0) {
-            mCallback.onSessionClosed(this);
+            mCallback.onSessionActiveChanged(this, false);
         }
     }
 
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index d2a627e..7b4270b 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -3783,21 +3783,25 @@
         } else {
             pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
         }
-        if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
-            if (numMatch == permissions.length) {
-                pi.requestedPermissions = permissions;
-            } else {
-                pi.requestedPermissions = new String[numMatch];
-                numMatch = 0;
-                for (int i=0; i<permissions.length; i++) {
-                    if (tmp[i]) {
-                        pi.requestedPermissions[numMatch] = permissions[i];
-                        numMatch++;
+        // The above might return null in cases of uninstalled apps or install-state
+        // skew across users/profiles.
+        if (pi != null) {
+            if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
+                if (numMatch == permissions.length) {
+                    pi.requestedPermissions = permissions;
+                } else {
+                    pi.requestedPermissions = new String[numMatch];
+                    numMatch = 0;
+                    for (int i=0; i<permissions.length; i++) {
+                        if (tmp[i]) {
+                            pi.requestedPermissions[numMatch] = permissions[i];
+                            numMatch++;
+                        }
                     }
                 }
             }
+            list.add(pi);
         }
-        list.add(pi);
     }
 
     @Override
@@ -10260,7 +10264,7 @@
                             || !bp.packageSetting.keySetData.isUsingUpgradeKeySets()
                             || ((PackageSetting) bp.packageSetting).sharedUser != null) {
                         sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures,
-                                pkg.mSignatures) != PackageManager.SIGNATURE_MATCH;
+                                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
                     } else {
                         sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg);
                     }
diff --git a/services/usage/java/com/android/server/usage/IntervalStats.java b/services/usage/java/com/android/server/usage/IntervalStats.java
index 6c80a65..5f639ab 100644
--- a/services/usage/java/com/android/server/usage/IntervalStats.java
+++ b/services/usage/java/com/android/server/usage/IntervalStats.java
@@ -23,13 +23,11 @@
 import android.util.ArrayMap;
 import android.util.ArraySet;
 
-import java.util.ArrayList;
-
 class IntervalStats {
     public long beginTime;
     public long endTime;
     public long lastTimeSaved;
-    public final ArrayMap<String, UsageStats> stats = new ArrayMap<>();
+    public final ArrayMap<String, UsageStats> packageStats = new ArrayMap<>();
     public final ArrayMap<Configuration, ConfigurationStats> configurations = new ArrayMap<>();
     public Configuration activeConfiguration;
     public TimeSparseArray<UsageEvents.Event> events;
@@ -44,13 +42,13 @@
      * Gets the UsageStats object for the given package, or creates one and adds it internally.
      */
     UsageStats getOrCreateUsageStats(String packageName) {
-        UsageStats usageStats = stats.get(packageName);
+        UsageStats usageStats = packageStats.get(packageName);
         if (usageStats == null) {
             usageStats = new UsageStats();
             usageStats.mPackageName = getCachedStringRef(packageName);
             usageStats.mBeginTimeStamp = beginTime;
             usageStats.mEndTimeStamp = endTime;
-            stats.put(usageStats.mPackageName, usageStats);
+            packageStats.put(usageStats.mPackageName, usageStats);
         }
         return usageStats;
     }
diff --git a/services/usage/java/com/android/server/usage/UnixCalendar.java b/services/usage/java/com/android/server/usage/UnixCalendar.java
new file mode 100644
index 0000000..ce06a91
--- /dev/null
+++ b/services/usage/java/com/android/server/usage/UnixCalendar.java
@@ -0,0 +1,99 @@
+/**
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy
+ * of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+package com.android.server.usage;
+
+import android.app.usage.UsageStatsManager;
+
+/**
+ * A handy calendar object that knows nothing of Locale's or TimeZones. This simplifies
+ * interval book-keeping. It is *NOT* meant to be used as a user-facing calendar, as it has
+ * no concept of Locale or TimeZone.
+ */
+public class UnixCalendar {
+    private static final long DAY_IN_MILLIS = 24 * 60 * 60 * 1000;
+    private static final long WEEK_IN_MILLIS = 7 * DAY_IN_MILLIS;
+    private static final long MONTH_IN_MILLIS = 30 * DAY_IN_MILLIS;
+    private static final long YEAR_IN_MILLIS = 365 * DAY_IN_MILLIS;
+    private long mTime;
+
+    public UnixCalendar(long time) {
+        mTime = time;
+    }
+
+    public void truncateToDay() {
+        mTime -= mTime % DAY_IN_MILLIS;
+    }
+
+    public void truncateToWeek() {
+        mTime -= mTime % WEEK_IN_MILLIS;
+    }
+
+    public void truncateToMonth() {
+        mTime -= mTime % MONTH_IN_MILLIS;
+    }
+
+    public void truncateToYear() {
+        mTime -= mTime % YEAR_IN_MILLIS;
+    }
+
+    public void addDays(int val) {
+        mTime += val * DAY_IN_MILLIS;
+    }
+
+    public void addWeeks(int val) {
+        mTime += val * WEEK_IN_MILLIS;
+    }
+
+    public void addMonths(int val) {
+        mTime += val * MONTH_IN_MILLIS;
+    }
+
+    public void addYears(int val) {
+        mTime += val * YEAR_IN_MILLIS;
+    }
+
+    public void setTimeInMillis(long time) {
+        mTime = time;
+    }
+
+    public long getTimeInMillis() {
+        return mTime;
+    }
+
+    public static void truncateTo(UnixCalendar calendar, int intervalType) {
+        switch (intervalType) {
+            case UsageStatsManager.INTERVAL_YEARLY:
+                calendar.truncateToYear();
+                break;
+
+            case UsageStatsManager.INTERVAL_MONTHLY:
+                calendar.truncateToMonth();
+                break;
+
+            case UsageStatsManager.INTERVAL_WEEKLY:
+                calendar.truncateToWeek();
+                break;
+
+            case UsageStatsManager.INTERVAL_DAILY:
+                calendar.truncateToDay();
+                break;
+
+            default:
+                throw new UnsupportedOperationException("Can't truncate date to interval " +
+                        intervalType);
+        }
+    }
+}
diff --git a/services/usage/java/com/android/server/usage/UsageStatsDatabase.java b/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
index 37340a4..62a7ec0 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
@@ -21,24 +21,30 @@
 import android.util.AtomicFile;
 import android.util.Slog;
 
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
 import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Calendar;
 import java.util.List;
 
 /**
  * Provides an interface to query for UsageStat data from an XML database.
  */
 class UsageStatsDatabase {
+    private static final int CURRENT_VERSION = 2;
+
     private static final String TAG = "UsageStatsDatabase";
     private static final boolean DEBUG = UsageStatsService.DEBUG;
 
     private final Object mLock = new Object();
     private final File[] mIntervalDirs;
     private final TimeSparseArray<AtomicFile>[] mSortedStatFiles;
-    private final Calendar mCal;
+    private final UnixCalendar mCal;
+    private final File mVersionFile;
 
     public UsageStatsDatabase(File dir) {
         mIntervalDirs = new File[] {
@@ -47,8 +53,9 @@
                 new File(dir, "monthly"),
                 new File(dir, "yearly"),
         };
+        mVersionFile = new File(dir, "version");
         mSortedStatFiles = new TimeSparseArray[mIntervalDirs.length];
-        mCal = Calendar.getInstance();
+        mCal = new UnixCalendar(0);
     }
 
     /**
@@ -64,6 +71,8 @@
                 }
             }
 
+            checkVersionLocked();
+
             final FilenameFilter backupFileFilter = new FilenameFilter() {
                 @Override
                 public boolean accept(File dir, String name) {
@@ -81,7 +90,45 @@
                     }
 
                     for (File f : files) {
-                        mSortedStatFiles[i].put(Long.parseLong(f.getName()), new AtomicFile(f));
+                        final AtomicFile af = new AtomicFile(f);
+                        mSortedStatFiles[i].put(UsageStatsXml.parseBeginTime(af), af);
+                    }
+                }
+            }
+        }
+    }
+
+    private void checkVersionLocked() {
+        int version;
+        try (BufferedReader reader = new BufferedReader(new FileReader(mVersionFile))) {
+            version = Integer.parseInt(reader.readLine());
+        } catch (NumberFormatException | IOException e) {
+            version = 0;
+        }
+
+        if (version != CURRENT_VERSION) {
+            Slog.i(TAG, "Upgrading from version " + version + " to " + CURRENT_VERSION);
+            doUpgradeLocked(version);
+
+            try (BufferedWriter writer = new BufferedWriter(new FileWriter(mVersionFile))) {
+                writer.write(Integer.toString(CURRENT_VERSION));
+            } catch (IOException e) {
+                Slog.e(TAG, "Failed to write new version");
+                throw new RuntimeException(e);
+            }
+        }
+    }
+
+    private void doUpgradeLocked(int thisVersion) {
+        if (thisVersion < 2) {
+            // Delete all files if we are version 0. This is a pre-release version,
+            // so this is fine.
+            Slog.i(TAG, "Deleting all usage stats files");
+            for (int i = 0; i < mIntervalDirs.length; i++) {
+                File[] files = mIntervalDirs[i].listFiles();
+                if (files != null) {
+                    for (File f : files) {
+                        f.delete();
                     }
                 }
             }
@@ -161,25 +208,48 @@
                 throw new IllegalArgumentException("Bad interval type " + intervalType);
             }
 
-            if (endTime < beginTime) {
+            final TimeSparseArray<AtomicFile> intervalStats = mSortedStatFiles[intervalType];
+
+            if (endTime <= beginTime) {
+                if (DEBUG) {
+                    Slog.d(TAG, "endTime(" + endTime + ") <= beginTime(" + beginTime + ")");
+                }
                 return null;
             }
 
-            final int startIndex = mSortedStatFiles[intervalType].closestIndexOnOrBefore(beginTime);
+            int startIndex = intervalStats.closestIndexOnOrBefore(beginTime);
             if (startIndex < 0) {
+                // All the stats available have timestamps after beginTime, which means they all
+                // match.
+                startIndex = 0;
+            }
+
+            int endIndex = intervalStats.closestIndexOnOrBefore(endTime);
+            if (endIndex < 0) {
+                // All the stats start after this range ends, so nothing matches.
+                if (DEBUG) {
+                    Slog.d(TAG, "No results for this range. All stats start after.");
+                }
                 return null;
             }
 
-            int endIndex = mSortedStatFiles[intervalType].closestIndexOnOrAfter(endTime);
-            if (endIndex < 0) {
-                endIndex = mSortedStatFiles[intervalType].size() - 1;
+            if (intervalStats.keyAt(endIndex) == endTime) {
+                // The endTime is exclusive, so if we matched exactly take the one before.
+                endIndex--;
+                if (endIndex < 0) {
+                    // All the stats start after this range ends, so nothing matches.
+                    if (DEBUG) {
+                        Slog.d(TAG, "No results for this range. All stats start after.");
+                    }
+                    return null;
+                }
             }
 
             try {
                 IntervalStats stats = new IntervalStats();
                 ArrayList<T> results = new ArrayList<>();
                 for (int i = startIndex; i <= endIndex; i++) {
-                    final AtomicFile f = mSortedStatFiles[intervalType].valueAt(i);
+                    final AtomicFile f = intervalStats.valueAt(i);
 
                     if (DEBUG) {
                         Slog.d(TAG, "Reading stat file " + f.getBaseFile().getAbsolutePath());
@@ -230,22 +300,22 @@
         synchronized (mLock) {
             long timeNow = System.currentTimeMillis();
             mCal.setTimeInMillis(timeNow);
-            mCal.add(Calendar.YEAR, -3);
+            mCal.addYears(-3);
             pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_YEARLY],
                     mCal.getTimeInMillis());
 
             mCal.setTimeInMillis(timeNow);
-            mCal.add(Calendar.MONTH, -6);
+            mCal.addMonths(-6);
             pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_MONTHLY],
                     mCal.getTimeInMillis());
 
             mCal.setTimeInMillis(timeNow);
-            mCal.add(Calendar.WEEK_OF_YEAR, -4);
+            mCal.addWeeks(-4);
             pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_WEEKLY],
                     mCal.getTimeInMillis());
 
             mCal.setTimeInMillis(timeNow);
-            mCal.add(Calendar.DAY_OF_YEAR, -7);
+            mCal.addDays(-7);
             pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_DAILY],
                     mCal.getTimeInMillis());
         }
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index e77bf86..2dcdcc4 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -38,6 +38,7 @@
 import android.os.Looper;
 import android.os.Message;
 import android.os.RemoteException;
+import android.os.SystemClock;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.util.ArraySet;
@@ -62,9 +63,7 @@
     static final boolean DEBUG = false;
     private static final long TEN_SECONDS = 10 * 1000;
     private static final long TWENTY_MINUTES = 20 * 60 * 1000;
-    private static final long TWO_MINUTES = 2 * 60 * 1000;
     private static final long FLUSH_INTERVAL = DEBUG ? TEN_SECONDS : TWENTY_MINUTES;
-    private static final long END_TIME_DELAY = DEBUG ? 0 : TWO_MINUTES;
 
     // Handler message types.
     static final int MSG_REPORT_EVENT = 0;
@@ -78,6 +77,8 @@
 
     private final SparseArray<UserUsageStatsService> mUserState = new SparseArray<>();
     private File mUsageStatsDir;
+    long mRealTimeSnapshot;
+    long mSystemTimeSnapshot;
 
     public UsageStatsService(Context context) {
         super(context);
@@ -104,6 +105,9 @@
             cleanUpRemovedUsersLocked();
         }
 
+        mRealTimeSnapshot = SystemClock.elapsedRealtime();
+        mSystemTimeSnapshot = System.currentTimeMillis();
+
         publishLocalService(UsageStatsManagerInternal.class, new LocalService());
         publishBinderService(Context.USAGE_STATS_SERVICE, new BinderService());
     }
@@ -178,7 +182,7 @@
     }
 
     /**
-     * Called by the Bunder stub
+     * Called by the Binder stub
      */
     void shutdown() {
         synchronized (mLock) {
@@ -382,6 +386,14 @@
      */
     private class LocalService extends UsageStatsManagerInternal {
 
+        /**
+         * The system may have its time change, so at least make sure the events
+         * are monotonic in order.
+         */
+        private long computeMonotonicSystemTime(long realTime) {
+            return (realTime - mRealTimeSnapshot) + mSystemTimeSnapshot;
+        }
+
         @Override
         public void reportEvent(ComponentName component, int userId, int eventType) {
             if (component == null) {
@@ -392,7 +404,7 @@
             UsageEvents.Event event = new UsageEvents.Event();
             event.mPackage = component.getPackageName();
             event.mClass = component.getClassName();
-            event.mTimeStamp = System.currentTimeMillis();
+            event.mTimeStamp = computeMonotonicSystemTime(SystemClock.elapsedRealtime());
             event.mEventType = eventType;
             mHandler.obtainMessage(MSG_REPORT_EVENT, userId, 0, event).sendToTarget();
         }
@@ -406,7 +418,7 @@
 
             UsageEvents.Event event = new UsageEvents.Event();
             event.mPackage = "android";
-            event.mTimeStamp = System.currentTimeMillis();
+            event.mTimeStamp = computeMonotonicSystemTime(SystemClock.elapsedRealtime());
             event.mEventType = UsageEvents.Event.CONFIGURATION_CHANGE;
             event.mConfiguration = new Configuration(config);
             mHandler.obtainMessage(MSG_REPORT_EVENT, userId, 0, event).sendToTarget();
diff --git a/services/usage/java/com/android/server/usage/UsageStatsUtils.java b/services/usage/java/com/android/server/usage/UsageStatsUtils.java
deleted file mode 100644
index dd5f3b9..0000000
--- a/services/usage/java/com/android/server/usage/UsageStatsUtils.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/**
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy
- * of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations
- * under the License.
- */
-
-package com.android.server.usage;
-
-import android.app.usage.UsageStatsManager;
-
-import java.util.Calendar;
-
-/**
- * A collection of utility methods used by the UsageStatsService and accompanying classes.
- */
-final class UsageStatsUtils {
-    private UsageStatsUtils() {}
-
-    /**
-     * Truncates the date to the given UsageStats bucket. For example, if the bucket is
-     * {@link UsageStatsManager#INTERVAL_YEARLY}, the date is truncated to the 1st day of the year,
-     * with the time set to 00:00:00.
-     *
-     * @param bucket The UsageStats bucket to truncate to.
-     * @param cal The date to truncate.
-     */
-    public static void truncateDateTo(int bucket, Calendar cal) {
-        cal.set(Calendar.HOUR_OF_DAY, 0);
-        cal.set(Calendar.MINUTE, 0);
-        cal.set(Calendar.SECOND, 0);
-        cal.set(Calendar.MILLISECOND, 0);
-
-        switch (bucket) {
-            case UsageStatsManager.INTERVAL_YEARLY:
-                cal.set(Calendar.DAY_OF_YEAR, 0);
-                break;
-
-            case UsageStatsManager.INTERVAL_MONTHLY:
-                cal.set(Calendar.DAY_OF_MONTH, 0);
-                break;
-
-            case UsageStatsManager.INTERVAL_WEEKLY:
-                cal.set(Calendar.DAY_OF_WEEK, 0);
-                break;
-
-            case UsageStatsManager.INTERVAL_DAILY:
-                break;
-
-            default:
-                throw new UnsupportedOperationException("Can't truncate date to bucket " + bucket);
-        }
-    }
-}
diff --git a/services/usage/java/com/android/server/usage/UsageStatsXml.java b/services/usage/java/com/android/server/usage/UsageStatsXml.java
index 48881d0..9ce6d63 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsXml.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsXml.java
@@ -37,10 +37,15 @@
     private static final String USAGESTATS_TAG = "usagestats";
     private static final String VERSION_ATTR = "version";
 
+    public static long parseBeginTime(AtomicFile file) {
+        return Long.parseLong(file.getBaseFile().getName());
+    }
+
     public static void read(AtomicFile file, IntervalStats statsOut) throws IOException {
         try {
             FileInputStream in = file.openRead();
             try {
+                statsOut.beginTime = parseBeginTime(file);
                 read(in, statsOut);
                 statsOut.lastTimeSaved = file.getLastModifiedTime();
             } finally {
diff --git a/services/usage/java/com/android/server/usage/UsageStatsXmlV1.java b/services/usage/java/com/android/server/usage/UsageStatsXmlV1.java
index 6529950..ef95a7b 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsXmlV1.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsXmlV1.java
@@ -15,7 +15,6 @@
  */
 package com.android.server.usage;
 
-import com.android.internal.util.FastXmlSerializer;
 import com.android.internal.util.XmlUtils;
 
 import org.xmlpull.v1.XmlPullParser;
@@ -26,44 +25,52 @@
 import android.app.usage.TimeSparseArray;
 import android.app.usage.UsageEvents;
 import android.app.usage.UsageStats;
-import android.content.ComponentName;
 import android.content.res.Configuration;
 
 import java.io.IOException;
 import java.net.ProtocolException;
-import java.util.Locale;
 
 /**
  * UsageStats reader/writer for version 1 of the XML format.
  */
 final class UsageStatsXmlV1 {
+    private static final String PACKAGES_TAG = "packages";
     private static final String PACKAGE_TAG = "package";
-    private static final String CONFIGURATION_TAG = "config";
-    private static final String EVENT_LOG_TAG = "event-log";
 
-    private static final String BEGIN_TIME_ATTR = "beginTime";
-    private static final String END_TIME_ATTR = "endTime";
-    private static final String NAME_ATTR = "name";
+    private static final String CONFIGURATIONS_TAG = "configurations";
+    private static final String CONFIG_TAG = "config";
+
+    private static final String EVENT_LOG_TAG = "event-log";
+    private static final String EVENT_TAG = "event";
+
+    // Attributes
     private static final String PACKAGE_ATTR = "package";
     private static final String CLASS_ATTR = "class";
-    private static final String TOTAL_TIME_ACTIVE_ATTR = "totalTimeActive";
-    private static final String LAST_TIME_ACTIVE_ATTR = "lastTimeActive";
+    private static final String TOTAL_TIME_ACTIVE_ATTR = "timeActive";
     private static final String COUNT_ATTR = "count";
     private static final String ACTIVE_ATTR = "active";
     private static final String LAST_EVENT_ATTR = "lastEvent";
     private static final String TYPE_ATTR = "type";
+
+    // Time attributes stored as an offset of the beginTime.
+    private static final String LAST_TIME_ACTIVE_ATTR = "lastTimeActive";
+    private static final String END_TIME_ATTR = "endTime";
     private static final String TIME_ATTR = "time";
 
     private static void loadUsageStats(XmlPullParser parser, IntervalStats statsOut)
             throws XmlPullParserException, IOException {
-        final String name = parser.getAttributeValue(null, NAME_ATTR);
-        if (name == null) {
-            throw new ProtocolException("no " + NAME_ATTR + " attribute present");
+        final String pkg = parser.getAttributeValue(null, PACKAGE_ATTR);
+        if (pkg == null) {
+            throw new ProtocolException("no " + PACKAGE_ATTR + " attribute present");
         }
 
-        UsageStats stats = statsOut.getOrCreateUsageStats(name);
+        final UsageStats stats = statsOut.getOrCreateUsageStats(pkg);
+
+        // Apply the offset to the beginTime to find the absolute time.
+        stats.mLastTimeUsed = statsOut.beginTime + XmlUtils.readLongAttribute(
+                parser, LAST_TIME_ACTIVE_ATTR);
+
         stats.mTotalTimeInForeground = XmlUtils.readLongAttribute(parser, TOTAL_TIME_ACTIVE_ATTR);
-        stats.mLastTimeUsed = XmlUtils.readLongAttribute(parser, LAST_TIME_ACTIVE_ATTR);
         stats.mLastEvent = XmlUtils.readIntAttribute(parser, LAST_EVENT_ATTR);
     }
 
@@ -72,8 +79,12 @@
         final Configuration config = new Configuration();
         Configuration.readXmlAttrs(parser, config);
 
-        ConfigurationStats configStats = statsOut.getOrCreateConfigurationStats(config);
-        configStats.mLastTimeActive = XmlUtils.readLongAttribute(parser, LAST_TIME_ACTIVE_ATTR);
+        final ConfigurationStats configStats = statsOut.getOrCreateConfigurationStats(config);
+
+        // Apply the offset to the beginTime to find the absolute time.
+        configStats.mLastTimeActive = statsOut.beginTime + XmlUtils.readLongAttribute(
+                parser, LAST_TIME_ACTIVE_ATTR);
+
         configStats.mTotalTimeActive = XmlUtils.readLongAttribute(parser, TOTAL_TIME_ACTIVE_ATTR);
         configStats.mActivationCount = XmlUtils.readIntAttribute(parser, COUNT_ATTR);
         if (XmlUtils.readBooleanAttribute(parser, ACTIVE_ATTR)) {
@@ -83,30 +94,19 @@
 
     private static void loadEvent(XmlPullParser parser, IntervalStats statsOut)
             throws XmlPullParserException, IOException {
-        String packageName = XmlUtils.readStringAttribute(parser, PACKAGE_ATTR);
-        String className;
+        final String packageName = XmlUtils.readStringAttribute(parser, PACKAGE_ATTR);
         if (packageName == null) {
-            // Try getting the component name if it exists.
-            final String componentName = XmlUtils.readStringAttribute(parser, NAME_ATTR);
-            if (componentName == null) {
-                throw new ProtocolException("no " + NAME_ATTR + " or " + PACKAGE_ATTR +
-                        " attribute present");
-            }
-            ComponentName component = ComponentName.unflattenFromString(componentName);
-            if (component == null) {
-                throw new ProtocolException("ComponentName " + componentName + " is invalid");
-            }
-
-            packageName = component.getPackageName();
-            className = component.getClassName();
-        } else {
-            className = XmlUtils.readStringAttribute(parser, CLASS_ATTR);
+            throw new ProtocolException("no " + PACKAGE_ATTR + " attribute present");
         }
 
-        UsageEvents.Event event = statsOut.buildEvent(packageName, className);
-        event.mEventType = XmlUtils.readIntAttribute(parser, TYPE_ATTR);
-        event.mTimeStamp = XmlUtils.readLongAttribute(parser, TIME_ATTR);
+        final String className = XmlUtils.readStringAttribute(parser, CLASS_ATTR);
 
+        final UsageEvents.Event event = statsOut.buildEvent(packageName, className);
+
+        // Apply the offset to the beginTime to find the absolute time of this event.
+        event.mTimeStamp = statsOut.beginTime + XmlUtils.readLongAttribute(parser, TIME_ATTR);
+
+        event.mEventType = XmlUtils.readIntAttribute(parser, TYPE_ATTR);
         if (event.mEventType == UsageEvents.Event.CONFIGURATION_CHANGE) {
             event.mConfiguration = new Configuration();
             Configuration.readXmlAttrs(parser, event.mConfiguration);
@@ -118,48 +118,60 @@
         statsOut.events.put(event.mTimeStamp, event);
     }
 
-    private static void writeUsageStats(XmlSerializer xml, final UsageStats stats)
-            throws IOException {
+    private static void writeUsageStats(XmlSerializer xml, final IntervalStats stats,
+            final UsageStats usageStats) throws IOException {
         xml.startTag(null, PACKAGE_TAG);
-        XmlUtils.writeStringAttribute(xml, NAME_ATTR, stats.mPackageName);
-        XmlUtils.writeLongAttribute(xml, TOTAL_TIME_ACTIVE_ATTR, stats.mTotalTimeInForeground);
-        XmlUtils.writeLongAttribute(xml, LAST_TIME_ACTIVE_ATTR, stats.mLastTimeUsed);
-        XmlUtils.writeIntAttribute(xml, LAST_EVENT_ATTR, stats.mLastEvent);
+
+        // Write the time offset.
+        XmlUtils.writeLongAttribute(xml, LAST_TIME_ACTIVE_ATTR,
+                usageStats.mLastTimeUsed - stats.beginTime);
+
+        XmlUtils.writeStringAttribute(xml, PACKAGE_ATTR, usageStats.mPackageName);
+        XmlUtils.writeLongAttribute(xml, TOTAL_TIME_ACTIVE_ATTR, usageStats.mTotalTimeInForeground);
+        XmlUtils.writeIntAttribute(xml, LAST_EVENT_ATTR, usageStats.mLastEvent);
+
         xml.endTag(null, PACKAGE_TAG);
     }
 
-    private static void writeConfigStats(XmlSerializer xml, final ConfigurationStats stats,
-            boolean isActive) throws IOException {
-        xml.startTag(null, CONFIGURATION_TAG);
-        XmlUtils.writeLongAttribute(xml, LAST_TIME_ACTIVE_ATTR, stats.mLastTimeActive);
-        XmlUtils.writeLongAttribute(xml, TOTAL_TIME_ACTIVE_ATTR, stats.mTotalTimeActive);
-        XmlUtils.writeIntAttribute(xml, COUNT_ATTR, stats.mActivationCount);
+    private static void writeConfigStats(XmlSerializer xml, final IntervalStats stats,
+            final ConfigurationStats configStats, boolean isActive) throws IOException {
+        xml.startTag(null, CONFIG_TAG);
+
+        // Write the time offset.
+        XmlUtils.writeLongAttribute(xml, LAST_TIME_ACTIVE_ATTR,
+                configStats.mLastTimeActive - stats.beginTime);
+
+        XmlUtils.writeLongAttribute(xml, TOTAL_TIME_ACTIVE_ATTR, configStats.mTotalTimeActive);
+        XmlUtils.writeIntAttribute(xml, COUNT_ATTR, configStats.mActivationCount);
         if (isActive) {
             XmlUtils.writeBooleanAttribute(xml, ACTIVE_ATTR, true);
         }
 
         // Now write the attributes representing the configuration object.
-        Configuration.writeXmlAttrs(xml, stats.mConfiguration);
+        Configuration.writeXmlAttrs(xml, configStats.mConfiguration);
 
-        xml.endTag(null, CONFIGURATION_TAG);
+        xml.endTag(null, CONFIG_TAG);
     }
 
-    private static void writeEvent(XmlSerializer xml, final UsageEvents.Event event)
-            throws IOException {
-        xml.startTag(null, EVENT_LOG_TAG);
+    private static void writeEvent(XmlSerializer xml, final IntervalStats stats,
+            final UsageEvents.Event event) throws IOException {
+        xml.startTag(null, EVENT_TAG);
+
+        // Store the time offset.
+        XmlUtils.writeLongAttribute(xml, TIME_ATTR, event.mTimeStamp - stats.beginTime);
+
         XmlUtils.writeStringAttribute(xml, PACKAGE_ATTR, event.mPackage);
         if (event.mClass != null) {
             XmlUtils.writeStringAttribute(xml, CLASS_ATTR, event.mClass);
         }
         XmlUtils.writeIntAttribute(xml, TYPE_ATTR, event.mEventType);
-        XmlUtils.writeLongAttribute(xml, TIME_ATTR, event.mTimeStamp);
 
         if (event.mEventType == UsageEvents.Event.CONFIGURATION_CHANGE
                 && event.mConfiguration != null) {
             Configuration.writeXmlAttrs(xml, event.mConfiguration);
         }
 
-        xml.endTag(null, EVENT_LOG_TAG);
+        xml.endTag(null, EVENT_TAG);
     }
 
     /**
@@ -171,7 +183,7 @@
      */
     public static void read(XmlPullParser parser, IntervalStats statsOut)
             throws XmlPullParserException, IOException {
-        statsOut.stats.clear();
+        statsOut.packageStats.clear();
         statsOut.configurations.clear();
         statsOut.activeConfiguration = null;
 
@@ -179,7 +191,6 @@
             statsOut.events.clear();
         }
 
-        statsOut.beginTime = XmlUtils.readLongAttribute(parser, BEGIN_TIME_ATTR);
         statsOut.endTime = XmlUtils.readLongAttribute(parser, END_TIME_ATTR);
 
         int eventCode;
@@ -196,11 +207,11 @@
                     loadUsageStats(parser, statsOut);
                     break;
 
-                case CONFIGURATION_TAG:
+                case CONFIG_TAG:
                     loadConfigStats(parser, statsOut);
                     break;
 
-                case EVENT_LOG_TAG:
+                case EVENT_TAG:
                     loadEvent(parser, statsOut);
                     break;
             }
@@ -208,32 +219,38 @@
     }
 
     /**
-     * Writes the stats object to an XML file. The {@link FastXmlSerializer}
+     * Writes the stats object to an XML file. The {@link XmlSerializer}
      * has already written the <code><usagestats></code> tag, but attributes may still
      * be added.
      *
-     * @param serializer The serializer to which to write the stats data.
+     * @param xml The serializer to which to write the packageStats data.
      * @param stats The stats object to write to the XML file.
      */
-    public static void write(FastXmlSerializer serializer, IntervalStats stats) throws IOException {
-        serializer.attribute(null, BEGIN_TIME_ATTR, Long.toString(stats.beginTime));
-        serializer.attribute(null, END_TIME_ATTR, Long.toString(stats.endTime));
+    public static void write(XmlSerializer xml, IntervalStats stats) throws IOException {
+        XmlUtils.writeLongAttribute(xml, END_TIME_ATTR, stats.endTime - stats.beginTime);
 
-        final int statsCount = stats.stats.size();
+        xml.startTag(null, PACKAGES_TAG);
+        final int statsCount = stats.packageStats.size();
         for (int i = 0; i < statsCount; i++) {
-            writeUsageStats(serializer, stats.stats.valueAt(i));
+            writeUsageStats(xml, stats, stats.packageStats.valueAt(i));
         }
+        xml.endTag(null, PACKAGES_TAG);
 
+
+        xml.startTag(null, CONFIGURATIONS_TAG);
         final int configCount = stats.configurations.size();
         for (int i = 0; i < configCount; i++) {
             boolean active = stats.activeConfiguration.equals(stats.configurations.keyAt(i));
-            writeConfigStats(serializer, stats.configurations.valueAt(i), active);
+            writeConfigStats(xml, stats, stats.configurations.valueAt(i), active);
         }
+        xml.endTag(null, CONFIGURATIONS_TAG);
 
+        xml.startTag(null, EVENT_LOG_TAG);
         final int eventCount = stats.events != null ? stats.events.size() : 0;
         for (int i = 0; i < eventCount; i++) {
-            writeEvent(serializer, stats.events.valueAt(i));
+            writeEvent(xml, stats, stats.events.valueAt(i));
         }
+        xml.endTag(null, EVENT_LOG_TAG);
     }
 
     private UsageStatsXmlV1() {
diff --git a/services/usage/java/com/android/server/usage/UserUsageStatsService.java b/services/usage/java/com/android/server/usage/UserUsageStatsService.java
index 7142a99..2769666 100644
--- a/services/usage/java/com/android/server/usage/UserUsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UserUsageStatsService.java
@@ -32,7 +32,6 @@
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Calendar;
 import java.util.List;
 
 /**
@@ -47,7 +46,7 @@
     private final UsageStatsDatabase mDatabase;
     private final IntervalStats[] mCurrentStats;
     private boolean mStatsChanged = false;
-    private final Calendar mDailyExpiryDate;
+    private final UnixCalendar mDailyExpiryDate;
     private final StatsUpdatedListener mListener;
     private final String mLogPrefix;
 
@@ -56,7 +55,7 @@
     }
 
     UserUsageStatsService(int userId, File usageStatsDir, StatsUpdatedListener listener) {
-        mDailyExpiryDate = Calendar.getInstance();
+        mDailyExpiryDate = new UnixCalendar(0);
         mDatabase = new UsageStatsDatabase(usageStatsDir);
         mCurrentStats = new IntervalStats[UsageStatsManager.INTERVAL_COUNT];
         mListener = listener;
@@ -66,6 +65,7 @@
     void init() {
         mDatabase.init();
 
+        final long timeNow = System.currentTimeMillis();
         int nullCount = 0;
         for (int i = 0; i < mCurrentStats.length; i++) {
             mCurrentStats[i] = mDatabase.getLatestUsageStats(i);
@@ -73,6 +73,11 @@
                 // Find out how many intervals we don't have data for.
                 // Ideally it should be all or none.
                 nullCount++;
+            } else if (mCurrentStats[i].beginTime > timeNow) {
+                Slog.e(TAG, mLogPrefix + "Interval " + i + " has stat in the future " +
+                        mCurrentStats[i].beginTime);
+                mCurrentStats[i] = null;
+                nullCount++;
             }
         }
 
@@ -94,17 +99,18 @@
             // that is reported.
             mDailyExpiryDate.setTimeInMillis(
                     mCurrentStats[UsageStatsManager.INTERVAL_DAILY].beginTime);
-            mDailyExpiryDate.add(Calendar.DAY_OF_YEAR, 1);
-            UsageStatsUtils.truncateDateTo(UsageStatsManager.INTERVAL_DAILY, mDailyExpiryDate);
-            Slog.i(TAG, mLogPrefix + "Rollover scheduled for "
-                    + sDateFormat.format(mDailyExpiryDate.getTime()));
+            mDailyExpiryDate.addDays(1);
+            mDailyExpiryDate.truncateToDay();
+            Slog.i(TAG, mLogPrefix + "Rollover scheduled @ " +
+                    sDateFormat.format(mDailyExpiryDate.getTimeInMillis()) +
+                    "(" + mDailyExpiryDate.getTimeInMillis() + ")");
         }
 
         // Now close off any events that were open at the time this was saved.
         for (IntervalStats stat : mCurrentStats) {
-            final int pkgCount = stat.stats.size();
+            final int pkgCount = stat.packageStats.size();
             for (int i = 0; i < pkgCount; i++) {
-                UsageStats pkgStats = stat.stats.valueAt(i);
+                UsageStats pkgStats = stat.packageStats.valueAt(i);
                 if (pkgStats.mLastEvent == UsageEvents.Event.MOVE_TO_FOREGROUND ||
                         pkgStats.mLastEvent == UsageEvents.Event.CONTINUE_PREVIOUS_DAY) {
                     stat.update(pkgStats.mPackageName, stat.lastTimeSaved,
@@ -162,13 +168,13 @@
                 public void combine(IntervalStats stats, boolean mutable,
                         List<UsageStats> accResult) {
                     if (!mutable) {
-                        accResult.addAll(stats.stats.values());
+                        accResult.addAll(stats.packageStats.values());
                         return;
                     }
 
-                    final int statCount = stats.stats.size();
+                    final int statCount = stats.packageStats.size();
                     for (int i = 0; i < statCount; i++) {
-                        accResult.add(new UsageStats(stats.stats.valueAt(i)));
+                        accResult.add(new UsageStats(stats.packageStats.valueAt(i)));
                     }
                 }
             };
@@ -195,49 +201,68 @@
      * and bucket, then calls the {@link com.android.server.usage.UsageStatsDatabase.StatCombiner}
      * provided to select the stats to use from the IntervalStats object.
      */
-    private <T> List<T> queryStats(int bucketType, long beginTime, long endTime,
+    private <T> List<T> queryStats(int intervalType, final long beginTime, final long endTime,
             StatCombiner<T> combiner) {
-        if (bucketType == UsageStatsManager.INTERVAL_BEST) {
-            bucketType = mDatabase.findBestFitBucket(beginTime, endTime);
+        if (intervalType == UsageStatsManager.INTERVAL_BEST) {
+            intervalType = mDatabase.findBestFitBucket(beginTime, endTime);
+            if (intervalType < 0) {
+                // Nothing saved to disk yet, so every stat is just as equal (no rollover has
+                // occurred.
+                intervalType = UsageStatsManager.INTERVAL_DAILY;
+            }
         }
 
-        if (bucketType < 0 || bucketType >= mCurrentStats.length) {
+        if (intervalType < 0 || intervalType >= mCurrentStats.length) {
             if (DEBUG) {
-                Slog.d(TAG, mLogPrefix + "Bad bucketType used " + bucketType);
+                Slog.d(TAG, mLogPrefix + "Bad intervalType used " + intervalType);
             }
             return null;
         }
 
-        if (beginTime >= mCurrentStats[bucketType].endTime) {
-            if (DEBUG) {
-                Slog.d(TAG, mLogPrefix + "Requesting stats after " + beginTime + " but latest is "
-                        + mCurrentStats[bucketType].endTime);
-            }
-            // Nothing newer available.
-            return null;
-
-        } else if (beginTime >= mCurrentStats[bucketType].beginTime) {
-            if (DEBUG) {
-                Slog.d(TAG, mLogPrefix + "Returning in-memory stats for bucket " + bucketType);
-            }
-            // Fast path for retrieving in-memory state.
-            ArrayList<T> results = new ArrayList<>();
-            combiner.combine(mCurrentStats[bucketType], true, results);
-            return results;
-        }
-
-        // Flush any changes that were made to disk before we do a disk query.
-        // If we're not grabbing the ongoing stats, no need to persist.
-        persistActiveStats();
+        final IntervalStats currentStats = mCurrentStats[intervalType];
 
         if (DEBUG) {
-            Slog.d(TAG, mLogPrefix + "SELECT * FROM " + bucketType + " WHERE beginTime >= "
+            Slog.d(TAG, mLogPrefix + "SELECT * FROM " + intervalType + " WHERE beginTime >= "
                     + beginTime + " AND endTime < " + endTime);
         }
 
-        final List<T> results = mDatabase.queryUsageStats(bucketType, beginTime, endTime, combiner);
+        if (beginTime >= currentStats.endTime) {
+            if (DEBUG) {
+                Slog.d(TAG, mLogPrefix + "Requesting stats after " + beginTime + " but latest is "
+                        + currentStats.endTime);
+            }
+            // Nothing newer available.
+            return null;
+        }
+
+        // Truncate the endTime to just before the in-memory stats. Then, we'll append the
+        // in-memory stats to the results (if necessary) so as to avoid writing to disk too
+        // often.
+        final long truncatedEndTime = Math.min(currentStats.beginTime, endTime);
+
+        // Get the stats from disk.
+        List<T> results = mDatabase.queryUsageStats(intervalType, beginTime,
+                truncatedEndTime, combiner);
         if (DEBUG) {
-            Slog.d(TAG, mLogPrefix + "Results: " + (results == null ? 0 : results.size()));
+            Slog.d(TAG, "Got " + (results != null ? results.size() : 0) + " results from disk");
+            Slog.d(TAG, "Current stats beginTime=" + currentStats.beginTime +
+                    " endTime=" + currentStats.endTime);
+        }
+
+        // Now check if the in-memory stats match the range and add them if they do.
+        if (beginTime < currentStats.endTime && endTime > currentStats.beginTime) {
+            if (DEBUG) {
+                Slog.d(TAG, mLogPrefix + "Returning in-memory stats");
+            }
+
+            if (results == null) {
+                results = new ArrayList<>();
+            }
+            combiner.combine(currentStats, true, results);
+        }
+
+        if (DEBUG) {
+            Slog.d(TAG, mLogPrefix + "Results: " + (results != null ? results.size() : 0));
         }
         return results;
     }
@@ -250,44 +275,45 @@
         return queryStats(bucketType, beginTime, endTime, sConfigStatsCombiner);
     }
 
-    UsageEvents queryEvents(long beginTime, long endTime) {
-        if (endTime > mCurrentStats[UsageStatsManager.INTERVAL_DAILY].beginTime) {
-            if (beginTime > mCurrentStats[UsageStatsManager.INTERVAL_DAILY].endTime) {
-                return null;
-            }
+    UsageEvents queryEvents(final long beginTime, final long endTime) {
+        final ArraySet<String> names = new ArraySet<>();
+        List<UsageEvents.Event> results = queryStats(UsageStatsManager.INTERVAL_DAILY,
+                beginTime, endTime, new StatCombiner<UsageEvents.Event>() {
+                    @Override
+                    public void combine(IntervalStats stats, boolean mutable,
+                            List<UsageEvents.Event> accumulatedResult) {
+                        if (stats.events == null) {
+                            return;
+                        }
 
-            TimeSparseArray<UsageEvents.Event> events =
-                    mCurrentStats[UsageStatsManager.INTERVAL_DAILY].events;
-            if (events == null) {
-                return null;
-            }
+                        final int startIndex = stats.events.closestIndexOnOrAfter(beginTime);
+                        if (startIndex < 0) {
+                            return;
+                        }
 
-            final int startIndex = events.closestIndexOnOrAfter(beginTime);
-            if (startIndex < 0) {
-                return null;
-            }
+                        final int size = stats.events.size();
+                        for (int i = startIndex; i < size; i++) {
+                            if (stats.events.keyAt(i) >= endTime) {
+                                return;
+                            }
 
-            ArraySet<String> names = new ArraySet<>();
-            ArrayList<UsageEvents.Event> results = new ArrayList<>();
-            final int size = events.size();
-            for (int i = startIndex; i < size; i++) {
-                if (events.keyAt(i) >= endTime) {
-                    break;
-                }
-                final UsageEvents.Event event = events.valueAt(i);
-                names.add(event.mPackage);
-                if (event.mClass != null) {
-                    names.add(event.mClass);
-                }
-                results.add(event);
-            }
-            String[] table = names.toArray(new String[names.size()]);
-            Arrays.sort(table);
-            return new UsageEvents(results, table);
+                            final UsageEvents.Event event = stats.events.valueAt(i);
+                            names.add(event.mPackage);
+                            if (event.mClass != null) {
+                                names.add(event.mClass);
+                            }
+                            accumulatedResult.add(event);
+                        }
+                    }
+                });
+
+        if (results == null || results.isEmpty()) {
+            return null;
         }
 
-        // TODO(adamlesinski): Query the previous days.
-        return null;
+        String[] table = names.toArray(new String[names.size()]);
+        Arrays.sort(table);
+        return new UsageEvents(results, table);
     }
 
     void persistActiveStats() {
@@ -314,9 +340,9 @@
                 mCurrentStats[UsageStatsManager.INTERVAL_DAILY].activeConfiguration;
         ArraySet<String> continuePreviousDay = new ArraySet<>();
         for (IntervalStats stat : mCurrentStats) {
-            final int pkgCount = stat.stats.size();
+            final int pkgCount = stat.packageStats.size();
             for (int i = 0; i < pkgCount; i++) {
-                UsageStats pkgStats = stat.stats.valueAt(i);
+                UsageStats pkgStats = stat.packageStats.valueAt(i);
                 if (pkgStats.mLastEvent == UsageEvents.Event.MOVE_TO_FOREGROUND ||
                         pkgStats.mLastEvent == UsageEvents.Event.CONTINUE_PREVIOUS_DAY) {
                     continuePreviousDay.add(pkgStats.mPackageName);
@@ -360,54 +386,53 @@
     private void loadActiveStats() {
         final long timeNow = System.currentTimeMillis();
 
-        Calendar tempCal = mDailyExpiryDate;
-        for (int bucketType = 0; bucketType < mCurrentStats.length; bucketType++) {
+        final UnixCalendar tempCal = mDailyExpiryDate;
+        for (int intervalType = 0; intervalType < mCurrentStats.length; intervalType++) {
             tempCal.setTimeInMillis(timeNow);
-            UsageStatsUtils.truncateDateTo(bucketType, tempCal);
+            UnixCalendar.truncateTo(tempCal, intervalType);
 
-            if (mCurrentStats[bucketType] != null &&
-                    mCurrentStats[bucketType].beginTime == tempCal.getTimeInMillis()) {
+            if (mCurrentStats[intervalType] != null &&
+                    mCurrentStats[intervalType].beginTime == tempCal.getTimeInMillis()) {
                 // These are the same, no need to load them (in memory stats are always newer
                 // than persisted stats).
                 continue;
             }
 
-            final long lastBeginTime = mDatabase.getLatestUsageStatsBeginTime(bucketType);
-            if (lastBeginTime >= tempCal.getTimeInMillis()) {
+            final long lastBeginTime = mDatabase.getLatestUsageStatsBeginTime(intervalType);
+            if (lastBeginTime > timeNow) {
+                Slog.e(TAG, mLogPrefix + "Latest usage stats for interval " +
+                        intervalType + " begins in the future");
+                mCurrentStats[intervalType] = null;
+            } else if (lastBeginTime >= tempCal.getTimeInMillis()) {
                 if (DEBUG) {
-                    Slog.d(TAG, mLogPrefix + "Loading existing stats (" + lastBeginTime +
-                            ") for bucket " + bucketType);
+                    Slog.d(TAG, mLogPrefix + "Loading existing stats @ " +
+                            sDateFormat.format(lastBeginTime) + "(" + lastBeginTime +
+                            ") for interval " + intervalType);
                 }
-                mCurrentStats[bucketType] = mDatabase.getLatestUsageStats(bucketType);
-                if (DEBUG) {
-                    if (mCurrentStats[bucketType] != null) {
-                        Slog.d(TAG, mLogPrefix + "Found " +
-                                (mCurrentStats[bucketType].events == null ?
-                                        0 : mCurrentStats[bucketType].events.size()) +
-                                " events");
-                    }
-                }
+                mCurrentStats[intervalType] = mDatabase.getLatestUsageStats(intervalType);
             } else {
-                mCurrentStats[bucketType] = null;
+                mCurrentStats[intervalType] = null;
             }
 
-            if (mCurrentStats[bucketType] == null) {
+            if (mCurrentStats[intervalType] == null) {
                 if (DEBUG) {
-                    Slog.d(TAG, "Creating new stats (" + tempCal.getTimeInMillis() +
-                            ") for bucket " + bucketType);
+                    Slog.d(TAG, "Creating new stats @ " +
+                            sDateFormat.format(tempCal.getTimeInMillis()) + "(" +
+                            tempCal.getTimeInMillis() + ") for interval " + intervalType);
 
                 }
-                mCurrentStats[bucketType] = new IntervalStats();
-                mCurrentStats[bucketType].beginTime = tempCal.getTimeInMillis();
-                mCurrentStats[bucketType].endTime = timeNow;
+                mCurrentStats[intervalType] = new IntervalStats();
+                mCurrentStats[intervalType].beginTime = tempCal.getTimeInMillis();
+                mCurrentStats[intervalType].endTime = timeNow;
             }
         }
         mStatsChanged = false;
         mDailyExpiryDate.setTimeInMillis(timeNow);
-        mDailyExpiryDate.add(Calendar.DAY_OF_YEAR, 1);
-        UsageStatsUtils.truncateDateTo(UsageStatsManager.INTERVAL_DAILY, mDailyExpiryDate);
-        Slog.i(TAG, mLogPrefix + "Rollover scheduled for "
-                + sDateFormat.format(mDailyExpiryDate.getTime()));
+        mDailyExpiryDate.addDays(1);
+        mDailyExpiryDate.truncateToDay();
+        Slog.i(TAG, mLogPrefix + "Rollover scheduled @ " +
+                sDateFormat.format(mDailyExpiryDate.getTimeInMillis()) + "(" +
+                tempCal.getTimeInMillis() + ")");
     }
 
 
diff --git a/telecomm/java/android/telecomm/Call.java b/telecomm/java/android/telecomm/Call.java
index 5bf0855..c3aa2a0 100644
--- a/telecomm/java/android/telecomm/Call.java
+++ b/telecomm/java/android/telecomm/Call.java
@@ -517,6 +517,20 @@
     }
 
     /**
+     * Merges the calls within this conference. See {@link PhoneCapabilities#MERGE_CONFERENCE}.
+     */
+    public void mergeConference() {
+        mInCallAdapter.mergeConference(mTelecommCallId);
+    }
+
+    /**
+     * Swaps the calls within this conference. See {@link PhoneCapabilities#SWAP_CONFERENCE}.
+     */
+    public void swapConference() {
+        mInCallAdapter.swapConference(mTelecommCallId);
+    }
+
+    /**
      * Obtains the parent of this {@code Call} in a conference, if any.
      *
      * @return The parent {@code Call}, or {@code null} if this {@code Call} is not a
diff --git a/telecomm/java/android/telecomm/Conference.java b/telecomm/java/android/telecomm/Conference.java
index 879ff66..c838b48 100644
--- a/telecomm/java/android/telecomm/Conference.java
+++ b/telecomm/java/android/telecomm/Conference.java
@@ -93,6 +93,18 @@
     public void onUnhold() {}
 
     /**
+     * Invoked when the child calls should be merged. Only invoked if the conference contains the
+     * capability {@link PhoneCapabilities#MERGE_CONFERENCE}.
+     */
+    public void onMerge() {}
+
+    /**
+     * Invoked when the child calls should be swapped. Only invoked if the conference contains the
+     * capability {@link PhoneCapabilities#SWAP_CONFERENCE}.
+     */
+    public void onSwap() {}
+
+    /**
      * Sets state to be on hold.
      */
     public final void setOnHold() {
@@ -141,7 +153,7 @@
      * @param connection The connection to add.
      * @return True if the connection was successfully added.
      */
-    public boolean addConnection(Connection connection) {
+    public final boolean addConnection(Connection connection) {
         if (connection != null && !mChildConnections.contains(connection)) {
             if (connection.setConference(this)) {
                 mChildConnections.add(connection);
@@ -160,7 +172,7 @@
      * @param connection The connection to remove.
      * @return True if the connection was successfully removed.
      */
-    public void removeConnection(Connection connection) {
+    public final void removeConnection(Connection connection) {
         Log.d(this, "removing %s from %s", connection, mChildConnections);
         if (connection != null && mChildConnections.remove(connection)) {
             connection.resetConference();
@@ -173,7 +185,7 @@
     /**
      * Tears down the conference object and any of it's current connections.
      */
-    public void destroy() {
+    public final void destroy() {
         Log.d(this, "destroying conference : %s", this);
         // Tear down the children.
         for (Connection connection : mChildConnections) {
diff --git a/telecomm/java/android/telecomm/Connection.java b/telecomm/java/android/telecomm/Connection.java
index 4d6e267..6df117e 100644
--- a/telecomm/java/android/telecomm/Connection.java
+++ b/telecomm/java/android/telecomm/Connection.java
@@ -1068,10 +1068,10 @@
         if (mState != state) {
             Log.d(this, "setState: %s", stateToString(state));
             mState = state;
+            onSetState(state);
             for (Listener l : mListeners) {
                 l.onStateChanged(this, state);
             }
-            onSetState(state);
         }
     }
 
diff --git a/telecomm/java/android/telecomm/ConnectionService.java b/telecomm/java/android/telecomm/ConnectionService.java
index 2dc6910..833aa26 100644
--- a/telecomm/java/android/telecomm/ConnectionService.java
+++ b/telecomm/java/android/telecomm/ConnectionService.java
@@ -72,6 +72,8 @@
     private static final int MSG_ON_PHONE_ACCOUNT_CLICKED = 15;
     private static final int MSG_REMOVE_CONNECTION_SERVICE_ADAPTER = 16;
     private static final int MSG_ANSWER_VIDEO = 17;
+    private static final int MSG_MERGE_CONFERENCE = 18;
+    private static final int MSG_SWAP_CONFERENCE = 19;
 
     private static Connection sNullConnection;
 
@@ -182,6 +184,16 @@
         }
 
         @Override
+        public void mergeConference(String callId) {
+            mHandler.obtainMessage(MSG_MERGE_CONFERENCE, callId).sendToTarget();
+        }
+
+        @Override
+        public void swapConference(String callId) {
+            mHandler.obtainMessage(MSG_SWAP_CONFERENCE, callId).sendToTarget();
+        }
+
+        @Override
         public void onPostDialContinue(String callId, boolean proceed) {
             SomeArgs args = SomeArgs.obtain();
             args.arg1 = callId;
@@ -298,6 +310,12 @@
                 case MSG_SPLIT_FROM_CONFERENCE:
                     splitFromConference((String) msg.obj);
                     break;
+                case MSG_MERGE_CONFERENCE:
+                    mergeConference((String) msg.obj);
+                    break;
+                case MSG_SWAP_CONFERENCE:
+                    swapConference((String) msg.obj);
+                    break;
                 case MSG_ON_POST_DIAL_CONTINUE: {
                     SomeArgs args = (SomeArgs) msg.obj;
                     try {
@@ -639,6 +657,22 @@
         }
     }
 
+    private void mergeConference(String callId) {
+        Log.d(this, "mergeConference(%s)", callId);
+        Conference conference = findConferenceForAction(callId, "mergeConference");
+        if (conference != null) {
+            conference.onMerge();
+        }
+    }
+
+    private void swapConference(String callId) {
+        Log.d(this, "swapConference(%s)", callId);
+        Conference conference = findConferenceForAction(callId, "swapConference");
+        if (conference != null) {
+            conference.onSwap();
+        }
+    }
+
     private void onPostDialContinue(String callId, boolean proceed) {
         Log.d(this, "onPostDialContinue(%s)", callId);
         findConnectionForAction(callId, "stopDtmfTone").onPostDialContinue(proceed);
diff --git a/telecomm/java/android/telecomm/InCallAdapter.java b/telecomm/java/android/telecomm/InCallAdapter.java
index 80f7b57..96ea5a6 100644
--- a/telecomm/java/android/telecomm/InCallAdapter.java
+++ b/telecomm/java/android/telecomm/InCallAdapter.java
@@ -241,6 +241,26 @@
     }
 
     /**
+     * Instructs Telecomm to merge child calls of the specified conference call.
+     */
+    public void mergeConference(String callId) {
+        try {
+            mAdapter.mergeConference(callId);
+        } catch (RemoteException ignored) {
+        }
+    }
+
+    /**
+     * Instructs Telecomm to swap the child calls of the specified conference call.
+     */
+    public void swapConference(String callId) {
+        try {
+            mAdapter.swapConference(callId);
+        } catch (RemoteException ignored) {
+        }
+    }
+
+    /**
      * Instructs Telecomm to turn the proximity sensor on.
      */
     public void turnProximitySensorOn() {
diff --git a/telecomm/java/android/telecomm/PhoneCapabilities.java b/telecomm/java/android/telecomm/PhoneCapabilities.java
index 3d76608..7a338b4 100644
--- a/telecomm/java/android/telecomm/PhoneCapabilities.java
+++ b/telecomm/java/android/telecomm/PhoneCapabilities.java
@@ -27,11 +27,17 @@
     /** Call supports the hold feature. */
     public static final int SUPPORT_HOLD       = 0x00000002;
 
-    /** Call can currently be merged. */
-    public static final int MERGE_CALLS        = 0x00000004;
+    /**
+     * Calls within a conference can be merged. Some connection services create a conference call
+     * only after two calls have been merged.  However, a conference call can also be added the
+     * moment there are more than one call. CDMA calls are implemented in this way because the call
+     * actions are more limited when more than one call exists. This flag allows merge to be exposed
+     * as a capability on the conference call instead of individual calls.
+     */
+    public static final int MERGE_CONFERENCE   = 0x00000004;
 
-    /** Call can currently be swapped with another call. */
-    public static final int SWAP_CALLS         = 0x00000008;
+    /** Calls withing a conference can be swapped between foreground and background. */
+    public static final int SWAP_CONFERENCE    = 0x00000008;
 
     /** Call currently supports adding another call to this one. */
     public static final int ADD_CALL           = 0x00000010;
@@ -42,8 +48,11 @@
     /** Call can be muted. */
     public static final int MUTE               = 0x00000040;
 
-    /** Call supports generic conference mode. */
-    public static final int GENERIC_CONFERENCE = 0x00000080;
+    /**
+     * Call supports conference call management. This capability only applies to conference calls
+     * which can have other calls as children.
+     */
+    public static final int MANAGE_CONFERENCE = 0x00000080;
 
     /**
      * Local device supports video telephony.
@@ -69,8 +78,8 @@
      */
     public static final int VoWIFI = 0x00000800;
 
-    public static final int ALL = HOLD | SUPPORT_HOLD | MERGE_CALLS | SWAP_CALLS | ADD_CALL
-            | RESPOND_VIA_TEXT | MUTE | GENERIC_CONFERENCE;
+    public static final int ALL = HOLD | SUPPORT_HOLD | MERGE_CONFERENCE | SWAP_CONFERENCE | ADD_CALL
+            | RESPOND_VIA_TEXT | MUTE | MANAGE_CONFERENCE;
 
     public static String toString(int capabilities) {
         StringBuilder builder = new StringBuilder();
@@ -81,11 +90,11 @@
         if ((capabilities & SUPPORT_HOLD) != 0) {
             builder.append(" SUPPORT_HOLD");
         }
-        if ((capabilities & MERGE_CALLS) != 0) {
-            builder.append(" MERGE_CALLS");
+        if ((capabilities & MERGE_CONFERENCE) != 0) {
+            builder.append(" MERGE_CONFERENCE");
         }
-        if ((capabilities & SWAP_CALLS) != 0) {
-            builder.append(" SWAP_CALLS");
+        if ((capabilities & SWAP_CONFERENCE) != 0) {
+            builder.append(" SWAP_CONFERENCE");
         }
         if ((capabilities & ADD_CALL) != 0) {
             builder.append(" ADD_CALL");
@@ -96,8 +105,8 @@
         if ((capabilities & MUTE) != 0) {
             builder.append(" MUTE");
         }
-        if ((capabilities & GENERIC_CONFERENCE) != 0) {
-            builder.append(" GENERIC_CONFERENCE");
+        if ((capabilities & MANAGE_CONFERENCE) != 0) {
+            builder.append(" MANAGE_CONFERENCE");
         }
         if ((capabilities & SUPPORTS_VT_LOCAL) != 0) {
             builder.append(" SUPPORTS_VT_LOCAL");
diff --git a/telecomm/java/com/android/internal/telecomm/IConnectionService.aidl b/telecomm/java/com/android/internal/telecomm/IConnectionService.aidl
index 32b877d..a673733 100644
--- a/telecomm/java/com/android/internal/telecomm/IConnectionService.aidl
+++ b/telecomm/java/com/android/internal/telecomm/IConnectionService.aidl
@@ -65,6 +65,10 @@
 
     void splitFromConference(String callId);
 
+    void mergeConference(String conferenceCallId);
+
+    void swapConference(String conferenceCallId);
+
     void onPostDialContinue(String callId, boolean proceed);
 
     void onPhoneAccountClicked(String callId);
diff --git a/telecomm/java/com/android/internal/telecomm/IInCallAdapter.aidl b/telecomm/java/com/android/internal/telecomm/IInCallAdapter.aidl
index 2ce5c6b..626bb91 100644
--- a/telecomm/java/com/android/internal/telecomm/IInCallAdapter.aidl
+++ b/telecomm/java/com/android/internal/telecomm/IInCallAdapter.aidl
@@ -54,6 +54,10 @@
 
     void splitFromConference(String callId);
 
+    void mergeConference(String callId);
+
+    void swapConference(String callId);
+
     void turnOnProximitySensor();
 
     void turnOffProximitySensor(boolean screenOnImmediately);
diff --git a/telephony/java/android/telephony/PhoneNumberUtils.java b/telephony/java/android/telephony/PhoneNumberUtils.java
index 8af5e98..1d9e6a9 100644
--- a/telephony/java/android/telephony/PhoneNumberUtils.java
+++ b/telephony/java/android/telephony/PhoneNumberUtils.java
@@ -38,8 +38,8 @@
 
 import static com.android.internal.telephony.PhoneConstants.SUBSCRIPTION_KEY;
 import static com.android.internal.telephony.TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY;
-import static com.android.internal.telephony.TelephonyProperties.PROPERTY_IDP_STRING;
 import static com.android.internal.telephony.TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY;
+import static com.android.internal.telephony.TelephonyProperties.PROPERTY_OPERATOR_IDP_STRING;
 
 import java.util.Locale;
 import java.util.regex.Matcher;
@@ -2215,81 +2215,79 @@
     cdmaCheckAndProcessPlusCodeByNumberFormat(String dialStr,int currFormat,int defaultFormat) {
         String retStr = dialStr;
 
+        boolean useNanp = (currFormat == defaultFormat) && (currFormat == FORMAT_NANP);
+
         // Checks if the plus sign character is in the passed-in dial string
         if (dialStr != null &&
             dialStr.lastIndexOf(PLUS_SIGN_STRING) != -1) {
-            // Format the string based on the rules for the country the number is from,
-            // and the current country the phone is camped on.
-            if ((currFormat == defaultFormat) && (currFormat == FORMAT_NANP)) {
-                // Handle case where default and current telephone numbering plans are NANP.
-                String postDialStr = null;
-                String tempDialStr = dialStr;
 
-                // Sets the retStr to null since the conversion will be performed below.
-                retStr = null;
-                if (DBG) log("checkAndProcessPlusCode,dialStr=" + dialStr);
-                // This routine is to process the plus sign in the dial string by loop through
-                // the network portion, post dial portion 1, post dial portion 2... etc. if
-                // applied
-                do {
-                    String networkDialStr;
+            // Handle case where default and current telephone numbering plans are NANP.
+            String postDialStr = null;
+            String tempDialStr = dialStr;
+
+            // Sets the retStr to null since the conversion will be performed below.
+            retStr = null;
+            if (DBG) log("checkAndProcessPlusCode,dialStr=" + dialStr);
+            // This routine is to process the plus sign in the dial string by loop through
+            // the network portion, post dial portion 1, post dial portion 2... etc. if
+            // applied
+            do {
+                String networkDialStr;
+                // Format the string based on the rules for the country the number is from,
+                // and the current country the phone is camped
+                if (useNanp) {
                     networkDialStr = extractNetworkPortion(tempDialStr);
-                    // Handles the conversion within NANP
-                    networkDialStr = processPlusCodeWithinNanp(networkDialStr);
+                } else  {
+                    networkDialStr = extractNetworkPortionAlt(tempDialStr);
 
-                    // Concatenates the string that is converted from network portion
-                    if (!TextUtils.isEmpty(networkDialStr)) {
-                        if (retStr == null) {
-                            retStr = networkDialStr;
-                        } else {
-                            retStr = retStr.concat(networkDialStr);
-                        }
+                }
+
+                networkDialStr = processPlusCode(networkDialStr, useNanp);
+
+                // Concatenates the string that is converted from network portion
+                if (!TextUtils.isEmpty(networkDialStr)) {
+                    if (retStr == null) {
+                        retStr = networkDialStr;
                     } else {
-                        // This should never happen since we checked the if dialStr is null
-                        // and if it contains the plus sign in the beginning of this function.
-                        // The plus sign is part of the network portion.
-                        Rlog.e("checkAndProcessPlusCode: null newDialStr", networkDialStr);
-                        return dialStr;
+                        retStr = retStr.concat(networkDialStr);
                     }
-                    postDialStr = extractPostDialPortion(tempDialStr);
-                    if (!TextUtils.isEmpty(postDialStr)) {
-                        int dialableIndex = findDialableIndexFromPostDialStr(postDialStr);
+                } else {
+                    // This should never happen since we checked the if dialStr is null
+                    // and if it contains the plus sign in the beginning of this function.
+                    // The plus sign is part of the network portion.
+                    Rlog.e("checkAndProcessPlusCode: null newDialStr", networkDialStr);
+                    return dialStr;
+                }
+                postDialStr = extractPostDialPortion(tempDialStr);
+                if (!TextUtils.isEmpty(postDialStr)) {
+                    int dialableIndex = findDialableIndexFromPostDialStr(postDialStr);
 
-                        // dialableIndex should always be greater than 0
-                        if (dialableIndex >= 1) {
-                            retStr = appendPwCharBackToOrigDialStr(dialableIndex,
-                                     retStr,postDialStr);
-                            // Skips the P/W character, extracts the dialable portion
-                            tempDialStr = postDialStr.substring(dialableIndex);
-                        } else {
-                            // Non-dialable character such as P/W should not be at the end of
-                            // the dial string after P/W processing in CdmaConnection.java
-                            // Set the postDialStr to "" to break out of the loop
-                            if (dialableIndex < 0) {
-                                postDialStr = "";
-                            }
-                            Rlog.e("wrong postDialStr=", postDialStr);
+                    // dialableIndex should always be greater than 0
+                    if (dialableIndex >= 1) {
+                        retStr = appendPwCharBackToOrigDialStr(dialableIndex,
+                                 retStr,postDialStr);
+                        // Skips the P/W character, extracts the dialable portion
+                        tempDialStr = postDialStr.substring(dialableIndex);
+                    } else {
+                        // Non-dialable character such as P/W should not be at the end of
+                        // the dial string after P/W processing in CdmaConnection.java
+                        // Set the postDialStr to "" to break out of the loop
+                        if (dialableIndex < 0) {
+                            postDialStr = "";
                         }
+                        Rlog.e("wrong postDialStr=", postDialStr);
                     }
-                    if (DBG) log("checkAndProcessPlusCode,postDialStr=" + postDialStr);
-                } while (!TextUtils.isEmpty(postDialStr) && !TextUtils.isEmpty(tempDialStr));
-            } else {
-                // TODO: Support NANP international conversion and other telephone numbering plans.
-                // Currently the phone is never used in non-NANP system, so return the original
-                // dial string.
-                Rlog.e("checkAndProcessPlusCode:non-NANP not supported", dialStr);
-            }
+                }
+                if (DBG) log("checkAndProcessPlusCode,postDialStr=" + postDialStr);
+            } while (!TextUtils.isEmpty(postDialStr) && !TextUtils.isEmpty(tempDialStr));
         }
         return retStr;
-     }
+    }
 
-    // This function gets the default international dialing prefix
-    private static String getDefaultIdp( ) {
-        String ps = null;
-        SystemProperties.get(PROPERTY_IDP_STRING, ps);
-        if (TextUtils.isEmpty(ps)) {
-            ps = NANP_IDP_STRING;
-        }
+    private static String getCurrentIdp(boolean useNanp) {
+        // in case, there is no IDD is found, we shouldn't convert it.
+        String ps = SystemProperties.get(
+                PROPERTY_OPERATOR_IDP_STRING, useNanp ? NANP_IDP_STRING : PLUS_SIGN_STRING);
         return ps;
     }
 
@@ -2399,31 +2397,32 @@
     }
 
     /**
-     * This function handles the plus code conversion within NANP CDMA network
+     * This function handles the plus code conversion
      * If the number format is
      * 1)+1NANP,remove +,
      * 2)other than +1NANP, any + numbers,replace + with the current IDP
      */
-    private static String processPlusCodeWithinNanp(String networkDialStr) {
+    private static String processPlusCode(String networkDialStr, boolean useNanp) {
         String retStr = networkDialStr;
 
-        if (DBG) log("processPlusCodeWithinNanp,networkDialStr=" + networkDialStr);
+        if (DBG) log("processPlusCode, networkDialStr = " + networkDialStr
+                + "for NANP = " + useNanp);
         // If there is a plus sign at the beginning of the dial string,
         // Convert the plus sign to the default IDP since it's an international number
         if (networkDialStr != null &&
             networkDialStr.charAt(0) == PLUS_SIGN_CHAR &&
             networkDialStr.length() > 1) {
             String newStr = networkDialStr.substring(1);
-            if (isOneNanp(newStr)) {
+            // TODO: for nonNanp, should the '+' be removed if following number is country code
+            if (useNanp && isOneNanp(newStr)) {
                 // Remove the leading plus sign
                 retStr = newStr;
-             } else {
-                 String idpStr = getDefaultIdp();
-                 // Replaces the plus sign with the default IDP
-                 retStr = networkDialStr.replaceFirst("[+]", idpStr);
+            } else {
+                // Replaces the plus sign with the default IDP
+                retStr = networkDialStr.replaceFirst("[+]", getCurrentIdp(useNanp));
             }
         }
-        if (DBG) log("processPlusCodeWithinNanp,retStr=" + retStr);
+        if (DBG) log("processPlusCode, retStr=" + retStr);
         return retStr;
     }
 
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index cdee3de..53a7a73 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -2511,9 +2511,9 @@
      * @param content String containing SAT/USAT response in hexadecimal
      *                format starting with command tag. See TS 102 223 for
      *                details.
-     * @return The APDU response from the ICC card, with the last 4 bytes
-     *         being the status word. If the command fails, returns an empty
-     *         string.
+     * @return The APDU response from the ICC card in hexadecimal format
+     *         with the last 4 bytes being the status word. If the command fails,
+     *         returns an empty string.
      */
     public String sendEnvelopeWithStatus(String content) {
         try {
@@ -2903,27 +2903,6 @@
     }
 
     /**
-     * Get the calculated preferred network type.
-     * Used for debugging incorrect network type.
-     * <p>
-     * Requires Permission:
-     *   {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
-     *
-     * @return the preferred network type, defined in RILConstants.java or -1 if
-     *         none available.
-     */
-    public int getCalculatedPreferredNetworkType() {
-        try {
-            return getITelephony().getCalculatedPreferredNetworkType();
-        } catch (RemoteException ex) {
-            Rlog.e(TAG, "getCalculatedPreferredNetworkType RemoteException", ex);
-        } catch (NullPointerException ex) {
-            Rlog.e(TAG, "getCalculatedPreferredNetworkType NPE", ex);
-        }
-        return -1;
-    }
-
-    /**
      * Get the preferred network type.
      * Used for device configuration by some CDMA operators.
      * <p>
@@ -2932,6 +2911,7 @@
      * Or the calling app has carrier privileges. @see #hasCarrierPrivileges
      *
      * @return the preferred network type, defined in RILConstants.java.
+     * @hide
      */
     public int getPreferredNetworkType() {
         try {
@@ -2954,6 +2934,7 @@
      *
      * @param networkType the preferred network type, defined in RILConstants.java.
      * @return true on success; false on any failure.
+     * @hide
      */
     public boolean setPreferredNetworkType(int networkType) {
         try {
@@ -2967,25 +2948,17 @@
     }
 
     /**
-     * Set the CDMA subscription source.
-     * Used for device supporting both NV and RUIM for CDMA.
+     * Set the preferred network type to global mode which includes LTE, CDMA, EvDo and GSM/WCDMA.
+     *
      * <p>
      * Requires Permission:
      *   {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}
      * Or the calling app has carrier privileges. @see #hasCarrierPrivileges
      *
-     * @param subscriptionType the subscription type, 0 for RUIM, 1 for NV.
      * @return true on success; false on any failure.
      */
-    public boolean setCdmaSubscription(int subscriptionType) {
-        try {
-            return getITelephony().setCdmaSubscription(subscriptionType);
-        } catch (RemoteException ex) {
-            Rlog.e(TAG, "setCdmaSubscription RemoteException", ex);
-        } catch (NullPointerException ex) {
-            Rlog.e(TAG, "setCdmaSubscription NPE", ex);
-        }
-        return false;
+    public boolean setGlobalPreferredNetworkType() {
+        return setPreferredNetworkType(RILConstants.NETWORK_MODE_LTE_CDMA_EVDO_GSM_WCDMA);
     }
 
     /**
@@ -3023,9 +2996,9 @@
     }
 
     /**
-     * Override the branding for the input ICCID.
+     * Override the branding for the current ICCID.
      *
-     * Once set, whenever the ICCID is inserted into the device, the service
+     * Once set, whenever the SIM is present in the device, the service
      * provider name (SPN) and the operator name will both be replaced by the
      * brand value input. To unset the value, the same function should be
      * called with a null brand value.
@@ -3034,14 +3007,12 @@
      *   {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}
      *  or has to be carrier app - see #hasCarrierPrivileges.
      *
-     * @param iccId The ICCID of that the branding applies to.
      * @param brand The brand name to display/set.
      * @return true if the operation was executed correctly.
      */
-    public boolean setOperatorBrandOverride(String iccId, String brand) {
-        // TODO: Validate ICCID format.
+    public boolean setOperatorBrandOverride(String brand) {
         try {
-            return getITelephony().setOperatorBrandOverride(iccId, brand);
+            return getITelephony().setOperatorBrandOverride(brand);
         } catch (RemoteException ex) {
             Rlog.e(TAG, "setOperatorBrandOverride RemoteException", ex);
         } catch (NullPointerException ex) {
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index 5c3dcdb..79c72b88 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -643,15 +643,6 @@
     boolean setPreferredNetworkType(int networkType);
 
     /**
-     * Set the CDMA subscription source.
-     * Used for device supporting both NV and RUIM for CDMA.
-     *
-     * @param subscriptionType the subscription type, 0 for RUIM, 1 for NV.
-     * @return true on success; false on any failure.
-     */
-    boolean setCdmaSubscription(int subscriptionType);
-
-    /**
      * User enable/disable Mobile Data.
      *
      * @param enable true to turn on, else false
@@ -766,9 +757,9 @@
     String getLine1AlphaTagForDisplay(long subId);
 
     /**
-     * Override the operator branding for the input ICCID.
+     * Override the operator branding for the current ICCID.
      *
-     * Once set, whenever the ICCID is inserted into the device, the service
+     * Once set, whenever the SIM is present in the device, the service
      * provider name (SPN) and the operator name will both be replaced by the
      * brand value input. To unset the value, the same function should be
      * called with a null brand value.
@@ -777,11 +768,10 @@
      *   {@link android.Manifest.permission#MODIFY_PHONE_STATE MODIFY_PHONE_STATE}
      *  or has to be carrier app - see #hasCarrierPrivileges.
      *
-     * @param iccid The ICCID of that the branding applies to.
      * @param brand The brand name to display/set.
      * @return true if the operation was executed correctly.
      */
-    boolean setOperatorBrandOverride(String iccId, String brand);
+    boolean setOperatorBrandOverride(String brand);
 
     /**
      * Returns the result and response from RIL for oem request
diff --git a/telephony/java/com/android/internal/telephony/TelephonyProperties.java b/telephony/java/com/android/internal/telephony/TelephonyProperties.java
index 5ec4247..34992b8 100644
--- a/telephony/java/com/android/internal/telephony/TelephonyProperties.java
+++ b/telephony/java/com/android/internal/telephony/TelephonyProperties.java
@@ -123,8 +123,8 @@
     /** Indicate the timer value for exiting emergency callback mode */
     static final String PROPERTY_ECM_EXIT_TIMER = "ro.cdma.ecmexittimer";
 
-    /** The international dialing prefix conversion string */
-    static final String PROPERTY_IDP_STRING = "ro.cdma.idpstring";
+    /** the international dialing prefix of current operator network */
+    static final String PROPERTY_OPERATOR_IDP_STRING = "telephony.operator.idpstring";
 
     /**
      * Defines the schema for the carrier specified OTASP number
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/RevealActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/RevealActivity.java
index 3360e30..256a1d4 100644
--- a/tests/HwAccelerationTest/src/com/android/test/hwui/RevealActivity.java
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/RevealActivity.java
@@ -17,6 +17,7 @@
 package com.android.test.hwui;
 
 import android.animation.Animator;
+import android.animation.AnimatorSet;
 import android.app.Activity;
 import android.content.Context;
 import android.graphics.Canvas;
@@ -34,6 +35,7 @@
     private static final int DURATION = 800;
 
     private boolean mShouldBlock;
+    private int mIteration = 0;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -57,10 +59,17 @@
         Animator animator = ViewAnimationUtils.createCircularReveal(view,
                 view.getWidth() / 2, view.getHeight() / 2,
                 0, Math.max(view.getWidth(), view.getHeight()));
-        animator.setDuration(DURATION);
-        animator.setAllowRunningAsynchronously(true);
-        animator.start();
+        if (mIteration < 2) {
+            animator.setDuration(DURATION);
+            animator.start();
+        } else {
+            AnimatorSet set = new AnimatorSet();
+            set.playTogether(animator);
+            set.setDuration(DURATION);
+            set.start();
+        }
 
+        mIteration = (mIteration + 1) % 4;
         mShouldBlock = !mShouldBlock;
         if (mShouldBlock) {
             view.post(sBlockThread);