Merge "Add xhdpi resources for large mouse pointers"
diff --git a/api/current.txt b/api/current.txt
index b7f63bc..230d22e 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -13375,6 +13375,7 @@
     field public static final java.lang.String STRING_TYPE_MAGNETIC_FIELD = "android.sensor.magnetic_field";
     field public static final java.lang.String STRING_TYPE_MAGNETIC_FIELD_UNCALIBRATED = "android.sensor.magnetic_field_uncalibrated";
     field public static final deprecated java.lang.String STRING_TYPE_ORIENTATION = "android.sensor.orientation";
+    field public static final java.lang.String STRING_TYPE_POSE_6DOF = "android.sensor.pose_6dof";
     field public static final java.lang.String STRING_TYPE_PRESSURE = "android.sensor.pressure";
     field public static final java.lang.String STRING_TYPE_PROXIMITY = "android.sensor.proximity";
     field public static final java.lang.String STRING_TYPE_RELATIVE_HUMIDITY = "android.sensor.relative_humidity";
@@ -13397,6 +13398,7 @@
     field public static final int TYPE_MAGNETIC_FIELD = 2; // 0x2
     field public static final int TYPE_MAGNETIC_FIELD_UNCALIBRATED = 14; // 0xe
     field public static final deprecated int TYPE_ORIENTATION = 3; // 0x3
+    field public static final int TYPE_POSE_6DOF = 28; // 0x1c
     field public static final int TYPE_PRESSURE = 6; // 0x6
     field public static final int TYPE_PROXIMITY = 8; // 0x8
     field public static final int TYPE_RELATIVE_HUMIDITY = 12; // 0xc
@@ -22214,6 +22216,7 @@
     method public static final android.net.Uri buildProgramsUriForChannel(android.net.Uri);
     method public static final android.net.Uri buildProgramsUriForChannel(long, long, long);
     method public static final android.net.Uri buildProgramsUriForChannel(android.net.Uri, long, long);
+    method public static final android.net.Uri buildRecordedProgramUri(long);
     field public static final java.lang.String AUTHORITY = "android.media.tv";
   }
 
@@ -22350,13 +22353,49 @@
     field public static final java.lang.String TRAVEL = "TRAVEL";
   }
 
+  public static final class TvContract.RecordedPrograms implements android.media.tv.TvContract.BaseTvColumns {
+    field public static final java.lang.String COLUMN_AUDIO_LANGUAGE = "audio_language";
+    field public static final java.lang.String COLUMN_BROADCAST_GENRE = "broadcast_genre";
+    field public static final java.lang.String COLUMN_CANONICAL_GENRE = "canonical_genre";
+    field public static final java.lang.String COLUMN_CHANNEL_ID = "channel_id";
+    field public static final java.lang.String COLUMN_CONTENT_RATING = "content_rating";
+    field public static final java.lang.String COLUMN_END_TIME_UTC_MILLIS = "end_time_utc_millis";
+    field public static final java.lang.String COLUMN_EPISODE_NUMBER = "episode_number";
+    field public static final java.lang.String COLUMN_EPISODE_TITLE = "episode_title";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_DATA = "internal_provider_data";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG1 = "internal_provider_flag1";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG2 = "internal_provider_flag2";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG3 = "internal_provider_flag3";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG4 = "internal_provider_flag4";
+    field public static final java.lang.String COLUMN_LONG_DESCRIPTION = "long_description";
+    field public static final java.lang.String COLUMN_POSTER_ART_URI = "poster_art_uri";
+    field public static final java.lang.String COLUMN_RECORDING_DATA_BYTES = "recording_data_bytes";
+    field public static final java.lang.String COLUMN_RECORDING_DATA_URI = "recording_data_uri";
+    field public static final java.lang.String COLUMN_RECORDING_DURATION_MILLIS = "recording_duration_millis";
+    field public static final java.lang.String COLUMN_RECORDING_EXPIRE_TIME_UTC_MILLIS = "recording_expire_time_utc_millis";
+    field public static final java.lang.String COLUMN_SEARCHABLE = "searchable";
+    field public static final java.lang.String COLUMN_SEASON_NUMBER = "season_number";
+    field public static final java.lang.String COLUMN_SHORT_DESCRIPTION = "short_description";
+    field public static final java.lang.String COLUMN_START_TIME_UTC_MILLIS = "start_time_utc_millis";
+    field public static final java.lang.String COLUMN_THUMBNAIL_URI = "thumbnail_uri";
+    field public static final java.lang.String COLUMN_TITLE = "title";
+    field public static final java.lang.String COLUMN_VERSION_NUMBER = "version_number";
+    field public static final java.lang.String COLUMN_VIDEO_HEIGHT = "video_height";
+    field public static final java.lang.String COLUMN_VIDEO_WIDTH = "video_width";
+    field public static final java.lang.String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/recorded_program";
+    field public static final java.lang.String CONTENT_TYPE = "vnd.android.cursor.dir/recorded_program";
+    field public static final android.net.Uri CONTENT_URI;
+  }
+
   public final class TvInputInfo implements android.os.Parcelable {
+    method public boolean canRecord();
     method public android.content.Intent createSettingsIntent();
     method public android.content.Intent createSetupIntent();
     method public int describeContents();
     method public java.lang.String getId();
     method public java.lang.String getParentId();
     method public android.content.pm.ServiceInfo getServiceInfo();
+    method public int getTunerCount();
     method public int getType();
     method public boolean isPassthroughInput();
     method public android.graphics.drawable.Drawable loadIcon(android.content.Context);
@@ -22391,6 +22430,10 @@
     field public static final int INPUT_STATE_CONNECTED_STANDBY = 1; // 0x1
     field public static final int INPUT_STATE_DISCONNECTED = 2; // 0x2
     field public static final java.lang.String META_DATA_CONTENT_RATING_SYSTEMS = "android.media.tv.metadata.CONTENT_RATING_SYSTEMS";
+    field public static final int RECORDING_ERROR_CONNECTION_FAILED = 1; // 0x1
+    field public static final int RECORDING_ERROR_INSUFFICIENT_SPACE = 2; // 0x2
+    field public static final int RECORDING_ERROR_RESOURCE_BUSY = 3; // 0x3
+    field public static final int RECORDING_ERROR_UNKNOWN = 0; // 0x0
     field public static final long TIME_SHIFT_INVALID_TIME = -9223372036854775808L; // 0x8000000000000000L
     field public static final int TIME_SHIFT_STATUS_AVAILABLE = 3; // 0x3
     field public static final int TIME_SHIFT_STATUS_UNAVAILABLE = 2; // 0x2
@@ -22408,12 +22451,15 @@
     method public void onInputAdded(java.lang.String);
     method public void onInputRemoved(java.lang.String);
     method public void onInputStateChanged(java.lang.String, int);
+    method public void onTvInputInfoChanged(java.lang.String, android.media.tv.TvInputInfo);
   }
 
   public abstract class TvInputService extends android.app.Service {
     ctor public TvInputService();
     method public final android.os.IBinder onBind(android.content.Intent);
+    method public abstract android.media.tv.TvInputService.RecordingSession onCreateRecordingSession(java.lang.String);
     method public abstract android.media.tv.TvInputService.Session onCreateSession(java.lang.String);
+    method public final void setTvInputInfo(java.lang.String, android.media.tv.TvInputInfo);
     field public static final java.lang.String SERVICE_INTERFACE = "android.media.tv.TvInputService";
     field public static final java.lang.String SERVICE_META_DATA = "android.media.tv.input";
   }
@@ -22426,6 +22472,18 @@
     method public final boolean onSetSurface(android.view.Surface);
   }
 
+  public static abstract class TvInputService.RecordingSession {
+    ctor public TvInputService.RecordingSession(android.content.Context);
+    method public void notifyConnected();
+    method public void notifyError(int);
+    method public void notifyRecordingStarted();
+    method public void notifyRecordingStopped(android.net.Uri);
+    method public abstract void onConnect(android.net.Uri);
+    method public abstract void onDisconnect();
+    method public abstract void onStartRecording();
+    method public abstract void onStopRecording();
+  }
+
   public static abstract class TvInputService.Session implements android.view.KeyEvent.Callback {
     ctor public TvInputService.Session(android.content.Context);
     method public void layoutSurface(int, int, int, int);
@@ -22453,6 +22511,7 @@
     method public long onTimeShiftGetCurrentPosition();
     method public long onTimeShiftGetStartPosition();
     method public void onTimeShiftPause();
+    method public void onTimeShiftPlay(android.net.Uri);
     method public void onTimeShiftResume();
     method public void onTimeShiftSeekTo(long);
     method public void onTimeShiftSetPlaybackParams(android.media.PlaybackParams);
@@ -22463,6 +22522,23 @@
     method public void setOverlayViewEnabled(boolean);
   }
 
+  public class TvRecordingClient {
+    ctor public TvRecordingClient(android.content.Context, java.lang.String, android.media.tv.TvRecordingClient.RecordingCallback, android.os.Handler);
+    method public void connect(java.lang.String, android.net.Uri);
+    method public void disconnect();
+    method public void startRecording();
+    method public void stopRecording();
+  }
+
+  public class TvRecordingClient.RecordingCallback {
+    ctor public TvRecordingClient.RecordingCallback();
+    method public void onConnected();
+    method public void onDisconnected();
+    method public void onError(int);
+    method public void onRecordingStarted();
+    method public void onRecordingStopped(android.net.Uri);
+  }
+
   public final class TvTrackInfo implements android.os.Parcelable {
     method public int describeContents();
     method public final int getAudioChannelCount();
@@ -22514,6 +22590,7 @@
     method public void setStreamVolume(float);
     method public void setTimeShiftPositionCallback(android.media.tv.TvView.TimeShiftPositionCallback);
     method public void timeShiftPause();
+    method public void timeShiftPlay(java.lang.String, android.net.Uri);
     method public void timeShiftResume();
     method public void timeShiftSeekTo(long);
     method public void timeShiftSetPlaybackParams(android.media.PlaybackParams);
@@ -32855,6 +32932,7 @@
     method public void getVarV(int, android.renderscript.FieldPacker);
     method protected void invoke(int);
     method protected void invoke(int, android.renderscript.FieldPacker);
+    method protected void reduce(int, android.renderscript.Allocation[], android.renderscript.Allocation, android.renderscript.Script.LaunchOptions);
     method public void setTimeZone(java.lang.String);
     method public void setVar(int, float);
     method public void setVar(int, double);
@@ -35873,6 +35951,8 @@
 
   public final class CellIdentityGsm implements android.os.Parcelable {
     method public int describeContents();
+    method public int getArfcn();
+    method public int getBsic();
     method public int getCid();
     method public int getLac();
     method public int getMcc();
@@ -35885,6 +35965,7 @@
   public final class CellIdentityLte implements android.os.Parcelable {
     method public int describeContents();
     method public int getCi();
+    method public int getEarfcn();
     method public int getMcc();
     method public int getMnc();
     method public int getPci();
@@ -35900,6 +35981,7 @@
     method public int getMcc();
     method public int getMnc();
     method public int getPsc();
+    method public int getUarfcn();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.telephony.CellIdentityWcdma> CREATOR;
   }
diff --git a/api/system-current.txt b/api/system-current.txt
index 55f08c8..e4f42c0 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -13772,6 +13772,7 @@
     field public static final java.lang.String STRING_TYPE_MAGNETIC_FIELD = "android.sensor.magnetic_field";
     field public static final java.lang.String STRING_TYPE_MAGNETIC_FIELD_UNCALIBRATED = "android.sensor.magnetic_field_uncalibrated";
     field public static final deprecated java.lang.String STRING_TYPE_ORIENTATION = "android.sensor.orientation";
+    field public static final java.lang.String STRING_TYPE_POSE_6DOF = "android.sensor.pose_6dof";
     field public static final java.lang.String STRING_TYPE_PRESSURE = "android.sensor.pressure";
     field public static final java.lang.String STRING_TYPE_PROXIMITY = "android.sensor.proximity";
     field public static final java.lang.String STRING_TYPE_RELATIVE_HUMIDITY = "android.sensor.relative_humidity";
@@ -13795,6 +13796,7 @@
     field public static final int TYPE_MAGNETIC_FIELD = 2; // 0x2
     field public static final int TYPE_MAGNETIC_FIELD_UNCALIBRATED = 14; // 0xe
     field public static final deprecated int TYPE_ORIENTATION = 3; // 0x3
+    field public static final int TYPE_POSE_6DOF = 28; // 0x1c
     field public static final int TYPE_PRESSURE = 6; // 0x6
     field public static final int TYPE_PROXIMITY = 8; // 0x8
     field public static final int TYPE_RELATIVE_HUMIDITY = 12; // 0xc
@@ -23641,6 +23643,7 @@
     method public static final android.net.Uri buildProgramsUriForChannel(android.net.Uri);
     method public static final android.net.Uri buildProgramsUriForChannel(long, long, long);
     method public static final android.net.Uri buildProgramsUriForChannel(android.net.Uri, long, long);
+    method public static final android.net.Uri buildRecordedProgramUri(long);
     method public static final boolean isChannelUriForPassthroughInput(android.net.Uri);
     field public static final java.lang.String AUTHORITY = "android.media.tv";
   }
@@ -23781,6 +23784,40 @@
     field public static final java.lang.String TRAVEL = "TRAVEL";
   }
 
+  public static final class TvContract.RecordedPrograms implements android.media.tv.TvContract.BaseTvColumns {
+    field public static final java.lang.String COLUMN_AUDIO_LANGUAGE = "audio_language";
+    field public static final java.lang.String COLUMN_BROADCAST_GENRE = "broadcast_genre";
+    field public static final java.lang.String COLUMN_CANONICAL_GENRE = "canonical_genre";
+    field public static final java.lang.String COLUMN_CHANNEL_ID = "channel_id";
+    field public static final java.lang.String COLUMN_CONTENT_RATING = "content_rating";
+    field public static final java.lang.String COLUMN_END_TIME_UTC_MILLIS = "end_time_utc_millis";
+    field public static final java.lang.String COLUMN_EPISODE_NUMBER = "episode_number";
+    field public static final java.lang.String COLUMN_EPISODE_TITLE = "episode_title";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_DATA = "internal_provider_data";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG1 = "internal_provider_flag1";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG2 = "internal_provider_flag2";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG3 = "internal_provider_flag3";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG4 = "internal_provider_flag4";
+    field public static final java.lang.String COLUMN_LONG_DESCRIPTION = "long_description";
+    field public static final java.lang.String COLUMN_POSTER_ART_URI = "poster_art_uri";
+    field public static final java.lang.String COLUMN_RECORDING_DATA_BYTES = "recording_data_bytes";
+    field public static final java.lang.String COLUMN_RECORDING_DATA_URI = "recording_data_uri";
+    field public static final java.lang.String COLUMN_RECORDING_DURATION_MILLIS = "recording_duration_millis";
+    field public static final java.lang.String COLUMN_RECORDING_EXPIRE_TIME_UTC_MILLIS = "recording_expire_time_utc_millis";
+    field public static final java.lang.String COLUMN_SEARCHABLE = "searchable";
+    field public static final java.lang.String COLUMN_SEASON_NUMBER = "season_number";
+    field public static final java.lang.String COLUMN_SHORT_DESCRIPTION = "short_description";
+    field public static final java.lang.String COLUMN_START_TIME_UTC_MILLIS = "start_time_utc_millis";
+    field public static final java.lang.String COLUMN_THUMBNAIL_URI = "thumbnail_uri";
+    field public static final java.lang.String COLUMN_TITLE = "title";
+    field public static final java.lang.String COLUMN_VERSION_NUMBER = "version_number";
+    field public static final java.lang.String COLUMN_VIDEO_HEIGHT = "video_height";
+    field public static final java.lang.String COLUMN_VIDEO_WIDTH = "video_width";
+    field public static final java.lang.String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/recorded_program";
+    field public static final java.lang.String CONTENT_TYPE = "vnd.android.cursor.dir/recorded_program";
+    field public static final android.net.Uri CONTENT_URI;
+  }
+
   public static final class TvContract.WatchedPrograms implements android.media.tv.TvContract.BaseTvColumns {
     field public static final java.lang.String COLUMN_CHANNEL_ID = "channel_id";
     field public static final java.lang.String COLUMN_DESCRIPTION = "description";
@@ -23829,6 +23866,7 @@
   }
 
   public final class TvInputInfo implements android.os.Parcelable {
+    method public boolean canRecord();
     method public android.content.Intent createSettingsIntent();
     method public android.content.Intent createSetupIntent();
     method public static android.media.tv.TvInputInfo createTvInputInfo(android.content.Context, android.content.pm.ResolveInfo, android.hardware.hdmi.HdmiDeviceInfo, java.lang.String, java.lang.String, android.net.Uri) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
@@ -23840,6 +23878,7 @@
     method public java.lang.String getId();
     method public java.lang.String getParentId();
     method public android.content.pm.ServiceInfo getServiceInfo();
+    method public int getTunerCount();
     method public int getType();
     method public boolean isConnectedToHdmiSwitch();
     method public boolean isHardwareInput();
@@ -23874,6 +23913,7 @@
     method public android.media.tv.TvInputManager.Hardware acquireTvInputHardware(int, android.media.tv.TvInputManager.HardwareCallback, android.media.tv.TvInputInfo);
     method public void addBlockedRating(android.media.tv.TvContentRating);
     method public boolean captureFrame(java.lang.String, android.view.Surface, android.media.tv.TvStreamConfig);
+    method public void createRecordingSession(java.lang.String, android.media.tv.TvInputManager.SessionCallback, android.os.Handler);
     method public void createSession(java.lang.String, android.media.tv.TvInputManager.SessionCallback, android.os.Handler);
     method public java.util.List<android.media.tv.TvStreamConfig> getAvailableTvStreamConfigList(java.lang.String);
     method public java.util.List<android.media.tv.TvContentRating> getBlockedRatings();
@@ -23897,6 +23937,10 @@
     field public static final int INPUT_STATE_CONNECTED_STANDBY = 1; // 0x1
     field public static final int INPUT_STATE_DISCONNECTED = 2; // 0x2
     field public static final java.lang.String META_DATA_CONTENT_RATING_SYSTEMS = "android.media.tv.metadata.CONTENT_RATING_SYSTEMS";
+    field public static final int RECORDING_ERROR_CONNECTION_FAILED = 1; // 0x1
+    field public static final int RECORDING_ERROR_INSUFFICIENT_SPACE = 2; // 0x2
+    field public static final int RECORDING_ERROR_RESOURCE_BUSY = 3; // 0x3
+    field public static final int RECORDING_ERROR_UNKNOWN = 0; // 0x0
     field public static final long TIME_SHIFT_INVALID_TIME = -9223372036854775808L; // 0x8000000000000000L
     field public static final int TIME_SHIFT_STATUS_AVAILABLE = 3; // 0x3
     field public static final int TIME_SHIFT_STATUS_UNAVAILABLE = 2; // 0x2
@@ -23961,16 +24005,19 @@
     method public void onInputRemoved(java.lang.String);
     method public void onInputStateChanged(java.lang.String, int);
     method public void onInputUpdated(java.lang.String);
+    method public void onTvInputInfoChanged(java.lang.String, android.media.tv.TvInputInfo);
   }
 
   public abstract class TvInputService extends android.app.Service {
     ctor public TvInputService();
     method public final android.os.IBinder onBind(android.content.Intent);
+    method public abstract android.media.tv.TvInputService.RecordingSession onCreateRecordingSession(java.lang.String);
     method public abstract android.media.tv.TvInputService.Session onCreateSession(java.lang.String);
     method public android.media.tv.TvInputInfo onHardwareAdded(android.media.tv.TvInputHardwareInfo);
     method public java.lang.String onHardwareRemoved(android.media.tv.TvInputHardwareInfo);
     method public android.media.tv.TvInputInfo onHdmiDeviceAdded(android.hardware.hdmi.HdmiDeviceInfo);
     method public java.lang.String onHdmiDeviceRemoved(android.hardware.hdmi.HdmiDeviceInfo);
+    method public final void setTvInputInfo(java.lang.String, android.media.tv.TvInputInfo);
     field public static final java.lang.String SERVICE_INTERFACE = "android.media.tv.TvInputService";
     field public static final java.lang.String SERVICE_META_DATA = "android.media.tv.input";
   }
@@ -23983,6 +24030,21 @@
     method public final boolean onSetSurface(android.view.Surface);
   }
 
+  public static abstract class TvInputService.RecordingSession {
+    ctor public TvInputService.RecordingSession(android.content.Context);
+    method public void notifyConnected();
+    method public void notifyError(int);
+    method public void notifyRecordingStarted();
+    method public void notifyRecordingStopped(android.net.Uri);
+    method public void notifySessionEvent(java.lang.String, android.os.Bundle);
+    method public void onAppPrivateCommand(java.lang.String, android.os.Bundle);
+    method public abstract void onConnect(android.net.Uri);
+    method public void onConnect(android.net.Uri, android.os.Bundle);
+    method public abstract void onDisconnect();
+    method public abstract void onStartRecording();
+    method public abstract void onStopRecording();
+  }
+
   public static abstract class TvInputService.Session implements android.view.KeyEvent.Callback {
     ctor public TvInputService.Session(android.content.Context);
     method public void layoutSurface(int, int, int, int);
@@ -24013,6 +24075,7 @@
     method public long onTimeShiftGetCurrentPosition();
     method public long onTimeShiftGetStartPosition();
     method public void onTimeShiftPause();
+    method public void onTimeShiftPlay(android.net.Uri);
     method public void onTimeShiftResume();
     method public void onTimeShiftSeekTo(long);
     method public void onTimeShiftSetPlaybackParams(android.media.PlaybackParams);
@@ -24024,6 +24087,26 @@
     method public void setOverlayViewEnabled(boolean);
   }
 
+  public class TvRecordingClient {
+    ctor public TvRecordingClient(android.content.Context, java.lang.String, android.media.tv.TvRecordingClient.RecordingCallback, android.os.Handler);
+    method public void connect(java.lang.String, android.net.Uri);
+    method public void connect(java.lang.String, android.net.Uri, android.os.Bundle);
+    method public void disconnect();
+    method public void sendAppPrivateCommand(java.lang.String, android.os.Bundle);
+    method public void startRecording();
+    method public void stopRecording();
+  }
+
+  public class TvRecordingClient.RecordingCallback {
+    ctor public TvRecordingClient.RecordingCallback();
+    method public void onConnected();
+    method public void onDisconnected();
+    method public void onError(int);
+    method public void onEvent(java.lang.String, java.lang.String, android.os.Bundle);
+    method public void onRecordingStarted();
+    method public void onRecordingStopped(android.net.Uri);
+  }
+
   public class TvStreamConfig implements android.os.Parcelable {
     method public int describeContents();
     method public int getFlags();
@@ -24106,6 +24189,7 @@
     method public void setZOrderMediaOverlay(boolean);
     method public void setZOrderOnTop(boolean);
     method public void timeShiftPause();
+    method public void timeShiftPlay(java.lang.String, android.net.Uri);
     method public void timeShiftResume();
     method public void timeShiftSeekTo(long);
     method public void timeShiftSetPlaybackParams(android.media.PlaybackParams);
@@ -35052,6 +35136,7 @@
     method public void getVarV(int, android.renderscript.FieldPacker);
     method protected void invoke(int);
     method protected void invoke(int, android.renderscript.FieldPacker);
+    method protected void reduce(int, android.renderscript.Allocation[], android.renderscript.Allocation, android.renderscript.Script.LaunchOptions);
     method public void setTimeZone(java.lang.String);
     method public void setVar(int, float);
     method public void setVar(int, double);
@@ -38242,6 +38327,8 @@
 
   public final class CellIdentityGsm implements android.os.Parcelable {
     method public int describeContents();
+    method public int getArfcn();
+    method public int getBsic();
     method public int getCid();
     method public int getLac();
     method public int getMcc();
@@ -38254,6 +38341,7 @@
   public final class CellIdentityLte implements android.os.Parcelable {
     method public int describeContents();
     method public int getCi();
+    method public int getEarfcn();
     method public int getMcc();
     method public int getMnc();
     method public int getPci();
@@ -38269,6 +38357,7 @@
     method public int getMcc();
     method public int getMnc();
     method public int getPsc();
+    method public int getUarfcn();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.telephony.CellIdentityWcdma> CREATOR;
   }
diff --git a/api/test-current.txt b/api/test-current.txt
index e320b67..1a9b469 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -13383,6 +13383,7 @@
     field public static final java.lang.String STRING_TYPE_MAGNETIC_FIELD = "android.sensor.magnetic_field";
     field public static final java.lang.String STRING_TYPE_MAGNETIC_FIELD_UNCALIBRATED = "android.sensor.magnetic_field_uncalibrated";
     field public static final deprecated java.lang.String STRING_TYPE_ORIENTATION = "android.sensor.orientation";
+    field public static final java.lang.String STRING_TYPE_POSE_6DOF = "android.sensor.pose_6dof";
     field public static final java.lang.String STRING_TYPE_PRESSURE = "android.sensor.pressure";
     field public static final java.lang.String STRING_TYPE_PROXIMITY = "android.sensor.proximity";
     field public static final java.lang.String STRING_TYPE_RELATIVE_HUMIDITY = "android.sensor.relative_humidity";
@@ -13405,6 +13406,7 @@
     field public static final int TYPE_MAGNETIC_FIELD = 2; // 0x2
     field public static final int TYPE_MAGNETIC_FIELD_UNCALIBRATED = 14; // 0xe
     field public static final deprecated int TYPE_ORIENTATION = 3; // 0x3
+    field public static final int TYPE_POSE_6DOF = 28; // 0x1c
     field public static final int TYPE_PRESSURE = 6; // 0x6
     field public static final int TYPE_PROXIMITY = 8; // 0x8
     field public static final int TYPE_RELATIVE_HUMIDITY = 12; // 0xc
@@ -22222,6 +22224,7 @@
     method public static final android.net.Uri buildProgramsUriForChannel(android.net.Uri);
     method public static final android.net.Uri buildProgramsUriForChannel(long, long, long);
     method public static final android.net.Uri buildProgramsUriForChannel(android.net.Uri, long, long);
+    method public static final android.net.Uri buildRecordedProgramUri(long);
     field public static final java.lang.String AUTHORITY = "android.media.tv";
   }
 
@@ -22358,13 +22361,49 @@
     field public static final java.lang.String TRAVEL = "TRAVEL";
   }
 
+  public static final class TvContract.RecordedPrograms implements android.media.tv.TvContract.BaseTvColumns {
+    field public static final java.lang.String COLUMN_AUDIO_LANGUAGE = "audio_language";
+    field public static final java.lang.String COLUMN_BROADCAST_GENRE = "broadcast_genre";
+    field public static final java.lang.String COLUMN_CANONICAL_GENRE = "canonical_genre";
+    field public static final java.lang.String COLUMN_CHANNEL_ID = "channel_id";
+    field public static final java.lang.String COLUMN_CONTENT_RATING = "content_rating";
+    field public static final java.lang.String COLUMN_END_TIME_UTC_MILLIS = "end_time_utc_millis";
+    field public static final java.lang.String COLUMN_EPISODE_NUMBER = "episode_number";
+    field public static final java.lang.String COLUMN_EPISODE_TITLE = "episode_title";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_DATA = "internal_provider_data";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG1 = "internal_provider_flag1";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG2 = "internal_provider_flag2";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG3 = "internal_provider_flag3";
+    field public static final java.lang.String COLUMN_INTERNAL_PROVIDER_FLAG4 = "internal_provider_flag4";
+    field public static final java.lang.String COLUMN_LONG_DESCRIPTION = "long_description";
+    field public static final java.lang.String COLUMN_POSTER_ART_URI = "poster_art_uri";
+    field public static final java.lang.String COLUMN_RECORDING_DATA_BYTES = "recording_data_bytes";
+    field public static final java.lang.String COLUMN_RECORDING_DATA_URI = "recording_data_uri";
+    field public static final java.lang.String COLUMN_RECORDING_DURATION_MILLIS = "recording_duration_millis";
+    field public static final java.lang.String COLUMN_RECORDING_EXPIRE_TIME_UTC_MILLIS = "recording_expire_time_utc_millis";
+    field public static final java.lang.String COLUMN_SEARCHABLE = "searchable";
+    field public static final java.lang.String COLUMN_SEASON_NUMBER = "season_number";
+    field public static final java.lang.String COLUMN_SHORT_DESCRIPTION = "short_description";
+    field public static final java.lang.String COLUMN_START_TIME_UTC_MILLIS = "start_time_utc_millis";
+    field public static final java.lang.String COLUMN_THUMBNAIL_URI = "thumbnail_uri";
+    field public static final java.lang.String COLUMN_TITLE = "title";
+    field public static final java.lang.String COLUMN_VERSION_NUMBER = "version_number";
+    field public static final java.lang.String COLUMN_VIDEO_HEIGHT = "video_height";
+    field public static final java.lang.String COLUMN_VIDEO_WIDTH = "video_width";
+    field public static final java.lang.String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/recorded_program";
+    field public static final java.lang.String CONTENT_TYPE = "vnd.android.cursor.dir/recorded_program";
+    field public static final android.net.Uri CONTENT_URI;
+  }
+
   public final class TvInputInfo implements android.os.Parcelable {
+    method public boolean canRecord();
     method public android.content.Intent createSettingsIntent();
     method public android.content.Intent createSetupIntent();
     method public int describeContents();
     method public java.lang.String getId();
     method public java.lang.String getParentId();
     method public android.content.pm.ServiceInfo getServiceInfo();
+    method public int getTunerCount();
     method public int getType();
     method public boolean isPassthroughInput();
     method public android.graphics.drawable.Drawable loadIcon(android.content.Context);
@@ -22399,6 +22438,10 @@
     field public static final int INPUT_STATE_CONNECTED_STANDBY = 1; // 0x1
     field public static final int INPUT_STATE_DISCONNECTED = 2; // 0x2
     field public static final java.lang.String META_DATA_CONTENT_RATING_SYSTEMS = "android.media.tv.metadata.CONTENT_RATING_SYSTEMS";
+    field public static final int RECORDING_ERROR_CONNECTION_FAILED = 1; // 0x1
+    field public static final int RECORDING_ERROR_INSUFFICIENT_SPACE = 2; // 0x2
+    field public static final int RECORDING_ERROR_RESOURCE_BUSY = 3; // 0x3
+    field public static final int RECORDING_ERROR_UNKNOWN = 0; // 0x0
     field public static final long TIME_SHIFT_INVALID_TIME = -9223372036854775808L; // 0x8000000000000000L
     field public static final int TIME_SHIFT_STATUS_AVAILABLE = 3; // 0x3
     field public static final int TIME_SHIFT_STATUS_UNAVAILABLE = 2; // 0x2
@@ -22416,12 +22459,15 @@
     method public void onInputAdded(java.lang.String);
     method public void onInputRemoved(java.lang.String);
     method public void onInputStateChanged(java.lang.String, int);
+    method public void onTvInputInfoChanged(java.lang.String, android.media.tv.TvInputInfo);
   }
 
   public abstract class TvInputService extends android.app.Service {
     ctor public TvInputService();
     method public final android.os.IBinder onBind(android.content.Intent);
+    method public abstract android.media.tv.TvInputService.RecordingSession onCreateRecordingSession(java.lang.String);
     method public abstract android.media.tv.TvInputService.Session onCreateSession(java.lang.String);
+    method public final void setTvInputInfo(java.lang.String, android.media.tv.TvInputInfo);
     field public static final java.lang.String SERVICE_INTERFACE = "android.media.tv.TvInputService";
     field public static final java.lang.String SERVICE_META_DATA = "android.media.tv.input";
   }
@@ -22434,6 +22480,18 @@
     method public final boolean onSetSurface(android.view.Surface);
   }
 
+  public static abstract class TvInputService.RecordingSession {
+    ctor public TvInputService.RecordingSession(android.content.Context);
+    method public void notifyConnected();
+    method public void notifyError(int);
+    method public void notifyRecordingStarted();
+    method public void notifyRecordingStopped(android.net.Uri);
+    method public abstract void onConnect(android.net.Uri);
+    method public abstract void onDisconnect();
+    method public abstract void onStartRecording();
+    method public abstract void onStopRecording();
+  }
+
   public static abstract class TvInputService.Session implements android.view.KeyEvent.Callback {
     ctor public TvInputService.Session(android.content.Context);
     method public void layoutSurface(int, int, int, int);
@@ -22461,6 +22519,7 @@
     method public long onTimeShiftGetCurrentPosition();
     method public long onTimeShiftGetStartPosition();
     method public void onTimeShiftPause();
+    method public void onTimeShiftPlay(android.net.Uri);
     method public void onTimeShiftResume();
     method public void onTimeShiftSeekTo(long);
     method public void onTimeShiftSetPlaybackParams(android.media.PlaybackParams);
@@ -22471,6 +22530,23 @@
     method public void setOverlayViewEnabled(boolean);
   }
 
+  public class TvRecordingClient {
+    ctor public TvRecordingClient(android.content.Context, java.lang.String, android.media.tv.TvRecordingClient.RecordingCallback, android.os.Handler);
+    method public void connect(java.lang.String, android.net.Uri);
+    method public void disconnect();
+    method public void startRecording();
+    method public void stopRecording();
+  }
+
+  public class TvRecordingClient.RecordingCallback {
+    ctor public TvRecordingClient.RecordingCallback();
+    method public void onConnected();
+    method public void onDisconnected();
+    method public void onError(int);
+    method public void onRecordingStarted();
+    method public void onRecordingStopped(android.net.Uri);
+  }
+
   public final class TvTrackInfo implements android.os.Parcelable {
     method public int describeContents();
     method public final int getAudioChannelCount();
@@ -22522,6 +22598,7 @@
     method public void setStreamVolume(float);
     method public void setTimeShiftPositionCallback(android.media.tv.TvView.TimeShiftPositionCallback);
     method public void timeShiftPause();
+    method public void timeShiftPlay(java.lang.String, android.net.Uri);
     method public void timeShiftResume();
     method public void timeShiftSeekTo(long);
     method public void timeShiftSetPlaybackParams(android.media.PlaybackParams);
@@ -32869,6 +32946,7 @@
     method public void getVarV(int, android.renderscript.FieldPacker);
     method protected void invoke(int);
     method protected void invoke(int, android.renderscript.FieldPacker);
+    method protected void reduce(int, android.renderscript.Allocation[], android.renderscript.Allocation, android.renderscript.Script.LaunchOptions);
     method public void setTimeZone(java.lang.String);
     method public void setVar(int, float);
     method public void setVar(int, double);
@@ -35887,6 +35965,8 @@
 
   public final class CellIdentityGsm implements android.os.Parcelable {
     method public int describeContents();
+    method public int getArfcn();
+    method public int getBsic();
     method public int getCid();
     method public int getLac();
     method public int getMcc();
@@ -35899,6 +35979,7 @@
   public final class CellIdentityLte implements android.os.Parcelable {
     method public int describeContents();
     method public int getCi();
+    method public int getEarfcn();
     method public int getMcc();
     method public int getMnc();
     method public int getPci();
@@ -35914,6 +35995,7 @@
     method public int getMcc();
     method public int getMnc();
     method public int getPsc();
+    method public int getUarfcn();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.telephony.CellIdentityWcdma> CREATOR;
   }
diff --git a/core/java/android/app/ITaskStackListener.aidl b/core/java/android/app/ITaskStackListener.aidl
index 560e22a..fa11234 100644
--- a/core/java/android/app/ITaskStackListener.aidl
+++ b/core/java/android/app/ITaskStackListener.aidl
@@ -23,4 +23,11 @@
 
     /** Called whenever an Activity is moved to the pinned stack from another stack. */
     void onActivityPinned();
+
+    /**
+     * Called whenever IActivityManager.startActivity is called on an activity that is already
+     * running in the pinned stack and the activity is not actually started, but the task is either
+     * brought to the front or a new Intent is delivered to it.
+     */
+    void onPinnedActivityRestartAttempt();
 }
diff --git a/core/java/android/app/trust/TrustManager.java b/core/java/android/app/trust/TrustManager.java
index 2bbc54f..999d826 100644
--- a/core/java/android/app/trust/TrustManager.java
+++ b/core/java/android/app/trust/TrustManager.java
@@ -155,7 +155,7 @@
     }
 
     /**
-     * @return whether {@userId} has enabled and configured trust agents. Ignores short-term
+     * @return whether {@param userId} has enabled and configured trust agents. Ignores short-term
      * unavailability of trust due to {@link LockPatternUtils.StrongAuthTracker}.
      */
     @RequiresPermission(android.Manifest.permission.TRUST_LISTENER)
diff --git a/core/java/android/content/pm/ApplicationInfo.java b/core/java/android/content/pm/ApplicationInfo.java
index 0168908..654396b 100644
--- a/core/java/android/content/pm/ApplicationInfo.java
+++ b/core/java/android/content/pm/ApplicationInfo.java
@@ -176,7 +176,7 @@
     
     /**
      * Value for {@link #flags}: this is set if this application has been
-     * install as an update to a built-in system application.
+     * installed as an update to a built-in system application.
      */
     public static final int FLAG_UPDATED_SYSTEM_APP = 1<<7;
     
diff --git a/core/java/android/hardware/Sensor.java b/core/java/android/hardware/Sensor.java
index 6935174..e5efd56 100644
--- a/core/java/android/hardware/Sensor.java
+++ b/core/java/android/hardware/Sensor.java
@@ -551,6 +551,29 @@
      */
     public static final String STRING_TYPE_DEVICE_ORIENTATION = "android.sensor.device_orientation";
 
+     /**
+     * A constant describing a pose sensor with 6 degrees of freedom.
+     *
+     * Similar to {@link #TYPE_ROTATION_VECTOR}, with additional delta
+     * translation from an arbitrary reference point.
+     *
+     * Can use camera, depth sensor etc to compute output value.
+     *
+     * This is expected to be a high power sensor and expected only to be
+     * used when the screen is on.
+     *
+     * Expected to be more accurate than the rotation vector alone.
+     *
+     */
+    public static final int TYPE_POSE_6DOF = 28;
+
+    /**
+     * A constant string describing a pose sensor with 6 degrees of freedom.
+     *
+     * @see #TYPE_POSE_6DOF
+     */
+    public static final String STRING_TYPE_POSE_6DOF = "android.sensor.pose_6dof";
+
     /**
      * A constant describing all sensor types.
      */
@@ -637,6 +660,7 @@
             1, // SENSOR_TYPE_PICK_UP_GESTURE
             1, // SENSOR_TYPE_WRIST_TILT_GESTURE
             1, // SENSOR_TYPE_DEVICE_ORIENTATION
+            16, // SENSOR_TYPE_POSE_6DOF
     };
 
     /**
diff --git a/core/java/android/hardware/SensorEvent.java b/core/java/android/hardware/SensorEvent.java
index 9937b2c..416c74c 100644
--- a/core/java/android/hardware/SensorEvent.java
+++ b/core/java/android/hardware/SensorEvent.java
@@ -497,6 +497,40 @@
      * <li> 3: device is rotated 90 degrees clockwise from default orientation (X axis
      *         is vertical and points down)
      * </ul>
+     *
+     *   <h4>{@link android.hardware.Sensor#TYPE_POSE_6DOF
+     * Sensor.TYPE_POSE_6DOF}:</h4>
+     *
+     * A TYPE_POSE_6DOF event consists of a rotation expressed as a quaternion and a translation
+     * expressed in SI units. The event also contains a delta rotation and translation that show
+     * how the device?s pose has changed since the previous sequence numbered pose.
+     * The event uses the cannonical Android Sensor axes.
+     *
+     *
+     * <ul>
+     *  <li> values[0]: x*sin(&#952/2) </li>
+     *  <li> values[1]: y*sin(&#952/2) </li>
+     *  <li> values[2]: z*sin(&#952/2) </li>
+     *  <li> values[3]: cos(&#952/2)   </li>
+     *
+     *
+     * <li> values[4]: Translation along x axis from an arbitrary origin. </li>
+     * li> values[5]: Translation along y axis from an arbitrary origin. </li>
+     * <li> values[6]: Translation along z axis from an arbitrary origin. </li>
+     *
+     * <li> values[7]:  Delta quaternion rotation x*sin(&#952/2) </li>
+     * <li> values[8]:  Delta quaternion rotation y*sin(&#952/2) </li>
+     * <li> values[9]:  Delta quaternion rotation z*sin(&#952/2) </li>
+     * <li> values[10]: Delta quaternion rotation cos(&#952/2) </li>
+     *
+     * <li> values[11]: Delta translation along x axis. </li>
+     * <li> values[12]: Delta translation along y axis. </li>
+     * <li> values[13]: Delta translation along z axis. </li>
+     *
+     * <li> values[14]: Sequence number </li>
+     *
+     * </ul>
+     *
      */
     public final float[] values;
 
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 6c3f308..dd0887f 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -100,13 +100,13 @@
 import android.widget.Checkable;
 import android.widget.FrameLayout;
 import android.widget.ScrollBarDrawable;
-
 import static android.os.Build.VERSION_CODES.*;
 import static java.lang.Math.max;
 
 import com.android.internal.R;
 import com.android.internal.util.Predicate;
 import com.android.internal.view.menu.MenuBuilder;
+import com.android.internal.widget.ScrollBarUtils;
 import com.google.android.collect.Lists;
 import com.google.android.collect.Maps;
 
@@ -5128,6 +5128,88 @@
         return mVerticalScrollbarPosition;
     }
 
+    boolean isOnScrollbar(float x, float y) {
+        if (mScrollCache == null) {
+            return false;
+        }
+        x += getScrollX();
+        y += getScrollY();
+        if (isVerticalScrollBarEnabled() && !isVerticalScrollBarHidden()) {
+            final Rect bounds = mScrollCache.mScrollBarBounds;
+            getVerticalScrollBarBounds(bounds);
+            if (bounds.contains((int)x, (int)y)) {
+                return true;
+            }
+        }
+        if (isHorizontalScrollBarEnabled()) {
+            final Rect bounds = mScrollCache.mScrollBarBounds;
+            getHorizontalScrollBarBounds(bounds);
+            if (bounds.contains((int)x, (int)y)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    boolean isOnScrollbarThumb(float x, float y) {
+        return isOnVerticalScrollbarThumb(x, y) || isOnHorizontalScrollbarThumb(x, y);
+    }
+
+    private boolean isOnVerticalScrollbarThumb(float x, float y) {
+        if (mScrollCache == null) {
+            return false;
+        }
+        if (isVerticalScrollBarEnabled() && !isVerticalScrollBarHidden()) {
+            x += getScrollX();
+            y += getScrollY();
+            final Rect bounds = mScrollCache.mScrollBarBounds;
+            getVerticalScrollBarBounds(bounds);
+            final int range = computeVerticalScrollRange();
+            final int offset = computeVerticalScrollOffset();
+            final int extent = computeVerticalScrollExtent();
+            final int thumbLength = ScrollBarUtils.getThumbLength(bounds.height(), bounds.width(),
+                    extent, range);
+            final int thumbOffset = ScrollBarUtils.getThumbOffset(bounds.height(), thumbLength,
+                    extent, range, offset);
+            final int thumbTop = bounds.top + thumbOffset;
+            if (x >= bounds.left && x <= bounds.right && y >= thumbTop
+                    && y <= thumbTop + thumbLength) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private boolean isOnHorizontalScrollbarThumb(float x, float y) {
+        if (mScrollCache == null) {
+            return false;
+        }
+        if (isHorizontalScrollBarEnabled()) {
+            x += getScrollX();
+            y += getScrollY();
+            final Rect bounds = mScrollCache.mScrollBarBounds;
+            getHorizontalScrollBarBounds(bounds);
+            final int range = computeHorizontalScrollRange();
+            final int offset = computeHorizontalScrollOffset();
+            final int extent = computeHorizontalScrollExtent();
+            final int thumbLength = ScrollBarUtils.getThumbLength(bounds.width(), bounds.height(),
+                    extent, range);
+            final int thumbOffset = ScrollBarUtils.getThumbOffset(bounds.width(), thumbLength,
+                    extent, range, offset);
+            final int thumbLeft = bounds.left + thumbOffset;
+            if (x >= thumbLeft && x <= thumbLeft + thumbLength && y >= bounds.top
+                    && y <= bounds.bottom) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    boolean isDraggingScrollBar() {
+        return mScrollCache != null
+                && mScrollCache.mScrollBarDraggingState != ScrollabilityCache.NOT_DRAGGING;
+    }
+
     /**
      * Sets the state of all scroll indicators.
      * <p>
@@ -5795,8 +5877,11 @@
      * <p>A View should call this if it maintains some notion of which part
      * of its content is interesting.  For example, a text editing view
      * should call this when its cursor moves.
+     * <p>The Rectangle passed into this method should be in the View's content coordinate space.
+     * It should not be affected by which part of the View is currently visible or its scroll
+     * position.
      *
-     * @param rectangle The rectangle.
+     * @param rectangle The rectangle in the View's content coordinate space
      * @return Whether any parent scrolled.
      */
     public boolean requestRectangleOnScreen(Rect rectangle) {
@@ -5810,11 +5895,13 @@
      * <p>A View should call this if it maintains some notion of which part
      * of its content is interesting.  For example, a text editing view
      * should call this when its cursor moves.
-     *
+     * <p>The Rectangle passed into this method should be in the View's content coordinate space.
+     * It should not be affected by which part of the View is currently visible or its scroll
+     * position.
      * <p>When <code>immediate</code> is set to true, scrolling will not be
      * animated.
      *
-     * @param rectangle The rectangle.
+     * @param rectangle The rectangle in the View's content coordinate space
      * @param immediate True to forbid animated scrolling, false otherwise
      * @return Whether any parent scrolled.
      */
@@ -5834,24 +5921,16 @@
             rectangle.set((int) position.left, (int) position.top,
                     (int) position.right, (int) position.bottom);
 
-            scrolled |= parent.requestChildRectangleOnScreen(child,
-                    rectangle, immediate);
-
-            if (!child.hasIdentityMatrix()) {
-                child.getMatrix().mapRect(position);
-            }
-
-            position.offset(child.mLeft, child.mTop);
+            scrolled |= parent.requestChildRectangleOnScreen(child, rectangle, immediate);
 
             if (!(parent instanceof View)) {
                 break;
             }
 
-            View parentView = (View) parent;
+            // move it from child's content coordinate space to parent's content coordinate space
+            position.offset(child.mLeft - child.getScrollX(), child.mTop -child.getScrollY());
 
-            position.offset(-parentView.getScrollX(), -parentView.getScrollY());
-
-            child = parentView;
+            child = (View) parent;
             parent = child.getParent();
         }
 
@@ -9718,6 +9797,9 @@
         }
 
         if (onFilterTouchEventForSecurity(event)) {
+            if ((mViewFlags & ENABLED_MASK) == ENABLED && handleScrollBarDragging(event)) {
+                result = true;
+            }
             //noinspection SimplifiableIfStatement
             ListenerInfo li = mListenerInfo;
             if (li != null && li.mOnTouchListener != null
@@ -10582,6 +10664,11 @@
             }
         }
 
+        if ((action == MotionEvent.ACTION_HOVER_ENTER || action == MotionEvent.ACTION_HOVER_MOVE)
+                && event.isFromSource(InputDevice.SOURCE_MOUSE)
+                && isOnScrollbar(event.getX(), event.getY())) {
+            awakenScrollBars();
+        }
         if (isHoverable()) {
             switch (action) {
                 case MotionEvent.ACTION_HOVER_ENTER:
@@ -10685,6 +10772,110 @@
     }
 
     /**
+     * Handles scroll bar dragging by mouse input.
+     *
+     * @hide
+     * @param event The motion event.
+     *
+     * @return true if the event was handled as a scroll bar dragging, false otherwise.
+     */
+    protected boolean handleScrollBarDragging(MotionEvent event) {
+        if (mScrollCache == null) {
+            return false;
+        }
+        final float x = event.getX();
+        final float y = event.getY();
+        final int action = event.getAction();
+        if ((mScrollCache.mScrollBarDraggingState == ScrollabilityCache.NOT_DRAGGING
+                && action != MotionEvent.ACTION_DOWN)
+                    || !event.isFromSource(InputDevice.SOURCE_MOUSE)
+                    || !event.isButtonPressed(MotionEvent.BUTTON_PRIMARY)) {
+            mScrollCache.mScrollBarDraggingState = ScrollabilityCache.NOT_DRAGGING;
+            return false;
+        }
+
+        switch (action) {
+            case MotionEvent.ACTION_MOVE:
+                if (mScrollCache.mScrollBarDraggingState == ScrollabilityCache.NOT_DRAGGING) {
+                    return false;
+                }
+                if (mScrollCache.mScrollBarDraggingState
+                        == ScrollabilityCache.DRAGGING_VERTICAL_SCROLL_BAR) {
+                    final Rect bounds = mScrollCache.mScrollBarBounds;
+                    getVerticalScrollBarBounds(bounds);
+                    final int range = computeVerticalScrollRange();
+                    final int offset = computeVerticalScrollOffset();
+                    final int extent = computeVerticalScrollExtent();
+
+                    final int thumbLength = ScrollBarUtils.getThumbLength(
+                            bounds.height(), bounds.width(), extent, range);
+                    final int thumbOffset = ScrollBarUtils.getThumbOffset(
+                            bounds.height(), thumbLength, extent, range, offset);
+
+                    final float diff = y - mScrollCache.mScrollBarDraggingPos;
+                    final float maxThumbOffset = bounds.height() - thumbLength;
+                    final float newThumbOffset =
+                            Math.min(Math.max(thumbOffset + diff, 0.0f), maxThumbOffset);
+                    final int height = getHeight();
+                    if (Math.round(newThumbOffset) != thumbOffset && maxThumbOffset > 0
+                            && height > 0 && extent > 0) {
+                        final int newY = Math.round((range - extent)
+                                / ((float)extent / height) * (newThumbOffset / maxThumbOffset));
+                        if (newY != getScrollY()) {
+                            mScrollCache.mScrollBarDraggingPos = y;
+                            setScrollY(newY);
+                        }
+                    }
+                    return true;
+                }
+                if (mScrollCache.mScrollBarDraggingState
+                        == ScrollabilityCache.DRAGGING_HORIZONTAL_SCROLL_BAR) {
+                    final Rect bounds = mScrollCache.mScrollBarBounds;
+                    getHorizontalScrollBarBounds(bounds);
+                    final int range = computeHorizontalScrollRange();
+                    final int offset = computeHorizontalScrollOffset();
+                    final int extent = computeHorizontalScrollExtent();
+
+                    final int thumbLength = ScrollBarUtils.getThumbLength(
+                            bounds.width(), bounds.height(), extent, range);
+                    final int thumbOffset = ScrollBarUtils.getThumbOffset(
+                            bounds.width(), thumbLength, extent, range, offset);
+
+                    final float diff = x - mScrollCache.mScrollBarDraggingPos;
+                    final float maxThumbOffset = bounds.width() - thumbLength;
+                    final float newThumbOffset =
+                            Math.min(Math.max(thumbOffset + diff, 0.0f), maxThumbOffset);
+                    final int width = getWidth();
+                    if (Math.round(newThumbOffset) != thumbOffset && maxThumbOffset > 0
+                            && width > 0 && extent > 0) {
+                        final int newX = Math.round((range - extent)
+                                / ((float)extent / width) * (newThumbOffset / maxThumbOffset));
+                        if (newX != getScrollX()) {
+                            mScrollCache.mScrollBarDraggingPos = x;
+                            setScrollX(newX);
+                        }
+                    }
+                    return true;
+                }
+            case MotionEvent.ACTION_DOWN:
+                if (isOnVerticalScrollbarThumb(x, y)) {
+                    mScrollCache.mScrollBarDraggingState =
+                            ScrollabilityCache.DRAGGING_VERTICAL_SCROLL_BAR;
+                    mScrollCache.mScrollBarDraggingPos = y;
+                    return true;
+                }
+                if (isOnHorizontalScrollbarThumb(x, y)) {
+                    mScrollCache.mScrollBarDraggingState =
+                            ScrollabilityCache.DRAGGING_HORIZONTAL_SCROLL_BAR;
+                    mScrollCache.mScrollBarDraggingPos = x;
+                    return true;
+                }
+        }
+        mScrollCache.mScrollBarDraggingState = ScrollabilityCache.NOT_DRAGGING;
+        return false;
+    }
+
+    /**
      * Implement this method to handle touch screen motion events.
      * <p>
      * If this method is used to detect click actions, it is recommended that
@@ -10717,7 +10908,6 @@
                     || (viewFlags & LONG_CLICKABLE) == LONG_CLICKABLE)
                     || (viewFlags & CONTEXT_CLICKABLE) == CONTEXT_CLICKABLE);
         }
-
         if (mTouchDelegate != null) {
             if (mTouchDelegate.onTouchEvent(event)) {
                 return true;
@@ -14278,6 +14468,45 @@
         }
     }
 
+    private void getHorizontalScrollBarBounds(Rect bounds) {
+        final int inside = (mViewFlags & SCROLLBARS_OUTSIDE_MASK) == 0 ? ~0 : 0;
+        final boolean drawVerticalScrollBar = isVerticalScrollBarEnabled()
+                && !isVerticalScrollBarHidden();
+        final int size = getHorizontalScrollbarHeight();
+        final int verticalScrollBarGap = drawVerticalScrollBar ?
+                getVerticalScrollbarWidth() : 0;
+        final int width = mRight - mLeft;
+        final int height = mBottom - mTop;
+        bounds.top = mScrollY + height - size - (mUserPaddingBottom & inside);
+        bounds.left = mScrollX + (mPaddingLeft & inside);
+        bounds.right = mScrollX + width - (mUserPaddingRight & inside) - verticalScrollBarGap;
+        bounds.bottom = bounds.top + size;
+    }
+
+    private void getVerticalScrollBarBounds(Rect bounds) {
+        final int inside = (mViewFlags & SCROLLBARS_OUTSIDE_MASK) == 0 ? ~0 : 0;
+        final int size = getVerticalScrollbarWidth();
+        int verticalScrollbarPosition = mVerticalScrollbarPosition;
+        if (verticalScrollbarPosition == SCROLLBAR_POSITION_DEFAULT) {
+            verticalScrollbarPosition = isLayoutRtl() ?
+                    SCROLLBAR_POSITION_LEFT : SCROLLBAR_POSITION_RIGHT;
+        }
+        final int width = mRight - mLeft;
+        final int height = mBottom - mTop;
+        switch (verticalScrollbarPosition) {
+            default:
+            case SCROLLBAR_POSITION_RIGHT:
+                bounds.left = mScrollX + width - size - (mUserPaddingRight & inside);
+                break;
+            case SCROLLBAR_POSITION_LEFT:
+                bounds.left = mScrollX + (mUserPaddingLeft & inside);
+                break;
+        }
+        bounds.top = mScrollY + (mPaddingTop & inside);
+        bounds.right = bounds.left + size;
+        bounds.bottom = mScrollY + height - (mUserPaddingBottom & inside);
+    }
+
     /**
      * <p>Request the drawing of the horizontal and the vertical scrollbar. The
      * scrollbars are painted only if they have been awakened first.</p>
@@ -14325,80 +14554,36 @@
                 cache.scrollBar.mutate().setAlpha(255);
             }
 
-
-            final int viewFlags = mViewFlags;
-
-            final boolean drawHorizontalScrollBar =
-                (viewFlags & SCROLLBARS_HORIZONTAL) == SCROLLBARS_HORIZONTAL;
-            final boolean drawVerticalScrollBar =
-                (viewFlags & SCROLLBARS_VERTICAL) == SCROLLBARS_VERTICAL
-                && !isVerticalScrollBarHidden();
+            final boolean drawHorizontalScrollBar = isHorizontalScrollBarEnabled();
+            final boolean drawVerticalScrollBar = isVerticalScrollBarEnabled()
+                    && !isVerticalScrollBarHidden();
 
             if (drawVerticalScrollBar || drawHorizontalScrollBar) {
-                final int width = mRight - mLeft;
-                final int height = mBottom - mTop;
-
                 final ScrollBarDrawable scrollBar = cache.scrollBar;
 
-                final int scrollX = mScrollX;
-                final int scrollY = mScrollY;
-                final int inside = (viewFlags & SCROLLBARS_OUTSIDE_MASK) == 0 ? ~0 : 0;
-
-                int left;
-                int top;
-                int right;
-                int bottom;
-
                 if (drawHorizontalScrollBar) {
-                    int size = scrollBar.getSize(false);
-                    if (size <= 0) {
-                        size = cache.scrollBarSize;
-                    }
-
                     scrollBar.setParameters(computeHorizontalScrollRange(),
                                             computeHorizontalScrollOffset(),
                                             computeHorizontalScrollExtent(), false);
-                    final int verticalScrollBarGap = drawVerticalScrollBar ?
-                            getVerticalScrollbarWidth() : 0;
-                    top = scrollY + height - size - (mUserPaddingBottom & inside);
-                    left = scrollX + (mPaddingLeft & inside);
-                    right = scrollX + width - (mUserPaddingRight & inside) - verticalScrollBarGap;
-                    bottom = top + size;
-                    onDrawHorizontalScrollBar(canvas, scrollBar, left, top, right, bottom);
+                    final Rect bounds = cache.mScrollBarBounds;
+                    getHorizontalScrollBarBounds(bounds);
+                    onDrawHorizontalScrollBar(canvas, scrollBar, bounds.left, bounds.top,
+                            bounds.right, bounds.bottom);
                     if (invalidate) {
-                        invalidate(left, top, right, bottom);
+                        invalidate(bounds);
                     }
                 }
 
                 if (drawVerticalScrollBar) {
-                    int size = scrollBar.getSize(true);
-                    if (size <= 0) {
-                        size = cache.scrollBarSize;
-                    }
-
                     scrollBar.setParameters(computeVerticalScrollRange(),
                                             computeVerticalScrollOffset(),
                                             computeVerticalScrollExtent(), true);
-                    int verticalScrollbarPosition = mVerticalScrollbarPosition;
-                    if (verticalScrollbarPosition == SCROLLBAR_POSITION_DEFAULT) {
-                        verticalScrollbarPosition = isLayoutRtl() ?
-                                SCROLLBAR_POSITION_LEFT : SCROLLBAR_POSITION_RIGHT;
-                    }
-                    switch (verticalScrollbarPosition) {
-                        default:
-                        case SCROLLBAR_POSITION_RIGHT:
-                            left = scrollX + width - size - (mUserPaddingRight & inside);
-                            break;
-                        case SCROLLBAR_POSITION_LEFT:
-                            left = scrollX + (mUserPaddingLeft & inside);
-                            break;
-                    }
-                    top = scrollY + (mPaddingTop & inside);
-                    right = left + size;
-                    bottom = scrollY + height - (mUserPaddingBottom & inside);
-                    onDrawVerticalScrollBar(canvas, scrollBar, left, top, right, bottom);
+                    final Rect bounds = cache.mScrollBarBounds;
+                    getVerticalScrollBarBounds(bounds);
+                    onDrawVerticalScrollBar(canvas, scrollBar, bounds.left, bounds.top,
+                            bounds.right, bounds.bottom);
                     if (invalidate) {
-                        invalidate(left, top, right, bottom);
+                        invalidate(bounds);
                     }
                 }
             }
@@ -21338,6 +21523,9 @@
      * @see PointerIcon
      */
     public PointerIcon getPointerIcon(MotionEvent event, float x, float y) {
+        if (isDraggingScrollBar() || isOnScrollbarThumb(x, y)) {
+            return PointerIcon.getSystemIcon(mContext, PointerIcon.STYLE_ARROW);
+        }
         return mPointerIcon;
     }
 
@@ -22609,6 +22797,15 @@
 
         private int mLastColor;
 
+        public final Rect mScrollBarBounds = new Rect();
+
+        public static final int NOT_DRAGGING = 0;
+        public static final int DRAGGING_VERTICAL_SCROLL_BAR = 1;
+        public static final int DRAGGING_HORIZONTAL_SCROLL_BAR = 2;
+        public int mScrollBarDraggingState = NOT_DRAGGING;
+
+        public float mScrollBarDraggingPos = 0;
+
         public ScrollabilityCache(ViewConfiguration configuration, View host) {
             fadingEdgeLength = configuration.getScaledFadingEdgeLength();
             scrollBarSize = configuration.getScaledScrollBarSize();
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 27e2ea3..3fe6b8e 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -59,6 +59,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+
 import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1;
 
 /**
@@ -1651,6 +1652,9 @@
 
     @Override
     public PointerIcon getPointerIcon(MotionEvent event, float x, float y) {
+        if (isOnScrollbarThumb(x, y) || isDraggingScrollBar()) {
+            return PointerIcon.getSystemIcon(mContext, PointerIcon.STYLE_ARROW);
+        }
         // Check what the child under the pointer says about the pointer.
         final int childrenCount = mChildrenCount;
         if (childrenCount != 0) {
@@ -1974,7 +1978,7 @@
      * hover exit event in {@link #onHoverEvent} and then the hovered child will
      * receive a hover enter event.
      * </p><p>
-     * The default implementation always returns false.
+     * The default implementation handles mouse hover on the scroll bars.
      * </p>
      *
      * @param event The motion event that describes the hover.
@@ -1982,6 +1986,15 @@
      * and prevent its children from receiving it.
      */
     public boolean onInterceptHoverEvent(MotionEvent event) {
+        if (event.isFromSource(InputDevice.SOURCE_MOUSE)) {
+            final int action = event.getAction();
+            final float x = event.getX();
+            final float y = event.getY();
+            if ((action == MotionEvent.ACTION_HOVER_MOVE
+                    || action == MotionEvent.ACTION_HOVER_ENTER) && isOnScrollbar(x, y)) {
+                return true;
+            }
+        }
         return false;
     }
 
@@ -2716,6 +2729,12 @@
      * messages will be delivered here.
      */
     public boolean onInterceptTouchEvent(MotionEvent ev) {
+        if (ev.isFromSource(InputDevice.SOURCE_MOUSE)
+                && ev.getAction() == MotionEvent.ACTION_DOWN
+                && ev.isButtonPressed(MotionEvent.BUTTON_PRIMARY)
+                && isOnScrollbarThumb(ev.getX(), ev.getY())) {
+            return true;
+        }
         return false;
     }
 
diff --git a/core/java/android/view/ViewParent.java b/core/java/android/view/ViewParent.java
index e9b123b5..1962be8 100644
--- a/core/java/android/view/ViewParent.java
+++ b/core/java/android/view/ViewParent.java
@@ -266,14 +266,14 @@
      *            intercept touch events.
      */
     public void requestDisallowInterceptTouchEvent(boolean disallowIntercept);
-    
+
     /**
      * Called when a child of this group wants a particular rectangle to be
      * positioned onto the screen.  {@link ViewGroup}s overriding this can trust
      * that:
      * <ul>
      *   <li>child will be a direct child of this group</li>
-     *   <li>rectangle will be in the child's coordinates</li>
+     *   <li>rectangle will be in the child's content coordinates</li>
      * </ul>
      *
      * <p>{@link ViewGroup}s overriding this should uphold the contract:</p>
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 0d6f362..5d41477 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -6729,16 +6729,19 @@
 
     @Override
     public boolean requestChildRectangleOnScreen(View child, Rect rectangle, boolean immediate) {
+        if (rectangle == null) {
+            return scrollToRectOrFocus(null, immediate);
+        }
+        rectangle.offset(child.getLeft() - child.getScrollX(),
+                child.getTop() - child.getScrollY());
         final boolean scrolled = scrollToRectOrFocus(rectangle, immediate);
-        if (rectangle != null) {
-            mTempRect.set(rectangle);
-            mTempRect.offset(0, -mCurScrollY);
-            mTempRect.offset(mAttachInfo.mWindowLeft, mAttachInfo.mWindowTop);
-            try {
-                mWindowSession.onRectangleOnScreenRequested(mWindow, mTempRect);
-            } catch (RemoteException re) {
-                /* ignore */
-            }
+        mTempRect.set(rectangle);
+        mTempRect.offset(0, -mCurScrollY);
+        mTempRect.offset(mAttachInfo.mWindowLeft, mAttachInfo.mWindowTop);
+        try {
+            mWindowSession.onRectangleOnScreenRequested(mWindow, mTempRect);
+        } catch (RemoteException re) {
+            /* ignore */
         }
         return scrolled;
     }
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 6c2c956..9561f08 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -3701,6 +3701,13 @@
         }
     }
 
+    /** @hide */
+    @Override
+    protected boolean handleScrollBarDragging(MotionEvent event) {
+        // Doesn't support normal scroll bar dragging. Use FastScroller.
+        return false;
+    }
+
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
         if (!isEnabled()) {
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 4355eb3..67473c6 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -1082,6 +1082,20 @@
         return true;
     }
 
+    private void startDragAndDrop() {
+        final int start = mTextView.getSelectionStart();
+        final int end = mTextView.getSelectionEnd();
+        CharSequence selectedText = mTextView.getTransformedText(start, end);
+        ClipData data = ClipData.newPlainText(null, selectedText);
+        DragLocalState localState = new DragLocalState(mTextView, start, end);
+        mTextView.startDragAndDrop(data, getTextThumbnailBuilder(selectedText), localState,
+                View.DRAG_FLAG_GLOBAL);
+        stopTextActionMode();
+        if (hasSelectionController()) {
+            getSelectionController().resetTouchOffsets();
+        }
+    }
+
     public boolean performLongClick(boolean handled) {
         // Long press in empty space moves cursor and starts the insertion action mode.
         if (!handled && !isPositionOnText(mLastDownPositionX, mLastDownPositionY) &&
@@ -1097,15 +1111,7 @@
 
         if (!handled && mTextActionMode != null) {
             if (touchPositionIsInSelection()) {
-                // Start a drag
-                final int start = mTextView.getSelectionStart();
-                final int end = mTextView.getSelectionEnd();
-                CharSequence selectedText = mTextView.getTransformedText(start, end);
-                ClipData data = ClipData.newPlainText(null, selectedText);
-                DragLocalState localState = new DragLocalState(mTextView, start, end);
-                mTextView.startDrag(data, getTextThumbnailBuilder(selectedText), localState,
-                        View.DRAG_FLAG_GLOBAL);
-                stopTextActionMode();
+                startDragAndDrop();
             } else {
                 stopTextActionMode();
                 selectCurrentWordAndStartDrag();
@@ -4925,6 +4931,14 @@
 
                     if (isMouse && !isDragAcceleratorActive()) {
                         final int offset = mTextView.getOffsetForPosition(eventX, eventY);
+                        if (mTextView.hasSelection()
+                                && (!mHaventMovedEnoughToStartDrag || mStartOffset != offset)
+                                && offset >= mTextView.getSelectionStart()
+                                && offset <= mTextView.getSelectionEnd()) {
+                            startDragAndDrop();
+                            break;
+                        }
+
                         if (mStartOffset != offset) {
                             // Start character based drag accelerator.
                             if (mTextActionMode != null) {
diff --git a/core/java/android/widget/HorizontalScrollView.java b/core/java/android/widget/HorizontalScrollView.java
index ebc7eb3..f16fdd6 100644
--- a/core/java/android/widget/HorizontalScrollView.java
+++ b/core/java/android/widget/HorizontalScrollView.java
@@ -454,6 +454,10 @@
             return true;
         }
 
+        if (super.onInterceptTouchEvent(ev)) {
+            return true;
+        }
+
         switch (action & MotionEvent.ACTION_MASK) {
             case MotionEvent.ACTION_MOVE: {
                 /*
diff --git a/core/java/android/widget/ScrollBarDrawable.java b/core/java/android/widget/ScrollBarDrawable.java
index 91d6232..8880217 100644
--- a/core/java/android/widget/ScrollBarDrawable.java
+++ b/core/java/android/widget/ScrollBarDrawable.java
@@ -16,6 +16,8 @@
 
 package android.widget;
 
+import com.android.internal.widget.ScrollBarUtils;
+
 import android.graphics.Canvas;
 import android.graphics.ColorFilter;
 import android.graphics.PixelFormat;
@@ -135,23 +137,15 @@
         }
 
         if (drawThumb) {
-            final int size = vertical ? r.height() : r.width();
+            final int scrollBarLength = vertical ? r.height() : r.width();
             final int thickness = vertical ? r.width() : r.height();
-            final int minLength = thickness * 2;
+            final int thumbLength =
+                    ScrollBarUtils.getThumbLength(scrollBarLength, thickness, extent, range);
+            final int thumbOffset =
+                    ScrollBarUtils.getThumbOffset(scrollBarLength, thumbLength, extent, range,
+                            mOffset);
 
-            // Avoid the tiny thumb.
-            int length = Math.round((float) size * extent / range);
-            if (length < minLength) {
-                length = minLength;
-            }
-
-            // Avoid the too-big thumb.
-            int offset = Math.round((float) (size - length) * mOffset / (range - extent));
-            if (offset > size - length) {
-                offset = size - length;
-            }
-
-            drawThumb(canvas, r, offset, length, vertical);
+            drawThumb(canvas, r, thumbOffset, thumbLength, vertical);
         }
     }
 
diff --git a/core/java/android/widget/ScrollView.java b/core/java/android/widget/ScrollView.java
index 78b931d..3f7a07b 100644
--- a/core/java/android/widget/ScrollView.java
+++ b/core/java/android/widget/ScrollView.java
@@ -489,6 +489,10 @@
             return true;
         }
 
+        if (super.onInterceptTouchEvent(ev)) {
+            return true;
+        }
+
         /*
          * Don't try to intercept touch if we can't scroll anyway.
          */
diff --git a/core/java/com/android/internal/widget/ScrollBarUtils.java b/core/java/com/android/internal/widget/ScrollBarUtils.java
new file mode 100644
index 0000000..0ae9f74
--- /dev/null
+++ b/core/java/com/android/internal/widget/ScrollBarUtils.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.widget;
+
+public class ScrollBarUtils {
+
+    public static int getThumbLength(int size, int thickness, int extent, int range) {
+        // Avoid the tiny thumb.
+        final int minLength = thickness * 2;
+        int length = Math.round((float) size * extent / range);
+        if (length < minLength) {
+            length = minLength;
+        }
+        return length;
+    }
+
+    public static int getThumbOffset(int size, int thumbLength, int extent, int range, int offset) {
+        // Avoid the too-big thumb.
+        int thumbOffset = Math.round((float) (size - thumbLength) * offset / (range - extent));
+        if (thumbOffset > size - thumbLength) {
+            thumbOffset = size - thumbLength;
+        }
+        return thumbOffset;
+    }
+}
diff --git a/core/res/res/xml/sms_short_codes.xml b/core/res/res/xml/sms_short_codes.xml
index 5a08887..cf7978c 100644
--- a/core/res/res/xml/sms_short_codes.xml
+++ b/core/res/res/xml/sms_short_codes.xml
@@ -214,7 +214,7 @@
 
     <!-- USA: 5-6 digits (premium codes from https://www.premiumsmsrefunds.com/ShortCodes.htm),
          visual voicemail code for T-Mobile: 122 -->
-    <shortcode country="us" pattern="\\d{5,6}" premium="20433|21(?:344|472)|22715|23(?:333|847)|24(?:15|28)0|25209|27(?:449|606|663)|28498|305(?:00|83)|32(?:340|941)|33(?:166|786|849)|34746|35(?:182|564)|37975|38(?:135|146|254)|41(?:366|463)|42335|43(?:355|500)|44(?:578|711|811)|45814|46(?:157|173|327|654)|46666|47553|48(?:221|277|669)|50(?:844|920)|51(?:062|368)|52944|54(?:723|892)|55928|56483|57370|59(?:182|187|252|342)|60339|61(?:266|982)|62478|64(?:219|898)|65(?:108|500)|69(?:208|388)|70877|71851|72(?:078|087|465)|73(?:288|588|882|909|997)|74(?:034|332|815)|76426|79213|81946|83177|84(?:103|685)|85797|86(?:234|236|666)|89616|90(?:715|842|938)|91(?:362|958)|94719|95297|96(?:040|666|835|969)|97(?:142|294|688)|99(?:689|796|807)" free="122|87902" />
+    <shortcode country="us" pattern="\\d{5,6}" premium="20433|21(?:344|472)|22715|23(?:333|847)|24(?:15|28)0|25209|27(?:449|606|663)|28498|305(?:00|83)|32(?:340|941)|33(?:166|786|849)|34746|35(?:182|564)|37975|38(?:135|146|254)|41(?:366|463)|42335|43(?:355|500)|44(?:567|578|711|811)|45814|46(?:157|173|327)|46666|47553|48(?:221|277|669)|50(?:844|920)|51(?:062|368)|52944|54(?:723|892)|55928|56483|57370|59(?:182|187|252|342)|60339|61(?:266|982)|62478|64(?:219|898)|65(?:108|500)|69(?:208|388)|70877|71851|72(?:078|087|465)|73(?:288|588|882|909|997)|74(?:034|332|815)|76426|79213|81946|83177|84(?:103|685)|85797|86(?:234|236|666)|89616|90(?:715|842|938)|91(?:362|958)|94719|95297|96(?:040|666|835|969)|97(?:142|294|688)|99(?:689|796|807)" free="122|87902" />
 
     <!-- Vietnam -->
     <shortcode country="vn" free="5001" />
diff --git a/core/tests/coretests/AndroidManifest.xml b/core/tests/coretests/AndroidManifest.xml
index c0453f8..eb0075b 100644
--- a/core/tests/coretests/AndroidManifest.xml
+++ b/core/tests/coretests/AndroidManifest.xml
@@ -53,6 +53,7 @@
     <uses-permission android:name="android.permission.DOWNLOAD_CACHE_NON_PURGEABLE" />
     <uses-permission android:name="android.permission.GET_PACKAGE_SIZE" />
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.INJECT_EVENTS" />
     <uses-permission android:name="android.permission.READ_CONTACTS" />
     <uses-permission android:name="android.permission.READ_LOGS"/>
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
diff --git a/core/tests/coretests/src/android/widget/TextViewActivityMouseTest.java b/core/tests/coretests/src/android/widget/TextViewActivityMouseTest.java
index afd0bc4..00df87d 100644
--- a/core/tests/coretests/src/android/widget/TextViewActivityMouseTest.java
+++ b/core/tests/coretests/src/android/widget/TextViewActivityMouseTest.java
@@ -37,6 +37,7 @@
 import static android.support.test.espresso.assertion.ViewAssertions.matches;
 import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
 import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
 
 import com.android.frameworks.coretests.R;
 
@@ -145,6 +146,40 @@
     }
 
     @SmallTest
+    public void testDragAndDrop() throws Exception {
+        final String text = "abc def ghi.";
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(typeTextIntoFocusedView(text));
+        onView(withId(R.id.textview)).perform(
+                mouseDragOnText(text.indexOf("d"), text.indexOf("f") + 1));
+
+        onView(withId(R.id.textview)).perform(
+                mouseDragOnText(text.indexOf("e"), text.length()));
+
+        onView(withId(R.id.textview)).check(matches(withText("abc ghi.def")));
+        onView(withId(R.id.textview)).check(hasSelection(""));
+        assertNoSelectionHandles();
+        onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex("abc ghi.def".length()));
+    }
+
+    @SmallTest
+    public void testDragAndDrop_longClick() throws Exception {
+        final String text = "abc def ghi.";
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(typeTextIntoFocusedView(text));
+        onView(withId(R.id.textview)).perform(
+                mouseDragOnText(text.indexOf("d"), text.indexOf("f") + 1));
+
+        onView(withId(R.id.textview)).perform(
+                mouseLongClickAndDragOnText(text.indexOf("e"), text.length()));
+
+        onView(withId(R.id.textview)).check(matches(withText("abc ghi.def")));
+        onView(withId(R.id.textview)).check(hasSelection(""));
+        assertNoSelectionHandles();
+        onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex("abc ghi.def".length()));
+    }
+
+    @SmallTest
     public void testSelectTextByLongClick() throws Exception {
         final String helloWorld = "Hello world!";
         onView(withId(R.id.textview)).perform(click());
diff --git a/core/tests/coretests/src/android/widget/TextViewActivityTest.java b/core/tests/coretests/src/android/widget/TextViewActivityTest.java
index edbfef9..5dae4a8 100644
--- a/core/tests/coretests/src/android/widget/TextViewActivityTest.java
+++ b/core/tests/coretests/src/android/widget/TextViewActivityTest.java
@@ -159,6 +159,22 @@
     }
 
     @SmallTest
+    public void testDragAndDrop() throws Exception {
+        final String text = "abc def ghi.";
+        onView(withId(R.id.textview)).perform(click());
+        onView(withId(R.id.textview)).perform(typeTextIntoFocusedView(text));
+        onView(withId(R.id.textview)).perform(longPressOnTextAtIndex(text.indexOf("e")));
+
+        onView(withId(R.id.textview)).perform(
+                longPressAndDragOnText(text.indexOf("e"), text.length()));
+
+        onView(withId(R.id.textview)).check(matches(withText("abc ghi.def")));
+        onView(withId(R.id.textview)).check(hasSelection(""));
+        assertNoSelectionHandles();
+        onView(withId(R.id.textview)).check(hasInsertionPointerAtIndex("abc ghi.def".length()));
+    }
+
+    @SmallTest
     public void testDoubleTapToSelect() throws Exception {
         final String helloWorld = "Hello SuetYi!";
         onView(withId(R.id.textview)).perform(click());
diff --git a/media/java/android/media/tv/ITvInputClient.aidl b/media/java/android/media/tv/ITvInputClient.aidl
index 86c0e5d..8ef5ca0 100644
--- a/media/java/android/media/tv/ITvInputClient.aidl
+++ b/media/java/android/media/tv/ITvInputClient.aidl
@@ -43,4 +43,10 @@
     void onTimeShiftStatusChanged(int status, int seq);
     void onTimeShiftStartPositionChanged(long timeMs, int seq);
     void onTimeShiftCurrentPositionChanged(long timeMs, int seq);
+
+    // For the recording session
+    void onConnected(int seq);
+    void onRecordingStarted(int seq);
+    void onRecordingStopped(in Uri recordedProgramUri, int seq);
+    void onError(int error, int seq);
 }
diff --git a/media/java/android/media/tv/ITvInputManager.aidl b/media/java/android/media/tv/ITvInputManager.aidl
index f8057db..0febc16 100644
--- a/media/java/android/media/tv/ITvInputManager.aidl
+++ b/media/java/android/media/tv/ITvInputManager.aidl
@@ -55,7 +55,8 @@
     void addBlockedRating(in String rating, int userId);
     void removeBlockedRating(in String rating, int userId);
 
-    void createSession(in ITvInputClient client, in String inputId, int seq, int userId);
+    void createSession(in ITvInputClient client, in String inputId, boolean isRecordingSession,
+            int seq, int userId);
     void releaseSession(in IBinder sessionToken, int userId);
 
     void setMainSession(in IBinder sessionToken, int userId);
@@ -77,12 +78,18 @@
 
     void unblockContent(in IBinder sessionToken, in String unblockedRating, int userId);
 
+    void timeShiftPlay(in IBinder sessionToken, in Uri recordedProgramUri, int userId);
     void timeShiftPause(in IBinder sessionToken, int userId);
     void timeShiftResume(in IBinder sessionToken, int userId);
     void timeShiftSeekTo(in IBinder sessionToken, long timeMs, int userId);
     void timeShiftSetPlaybackParams(in IBinder sessionToken, in PlaybackParams params, int userId);
     void timeShiftEnablePositionTracking(in IBinder sessionToken, boolean enable, int userId);
 
+    // For the recording session
+    void connect(in IBinder sessionToken, in Uri channelUri, in Bundle params, int userId);
+    void startRecording(in IBinder sessionToken, int userId);
+    void stopRecording(in IBinder sessionToken, int userId);
+
     // For TV input hardware binding
     List<TvInputHardwareInfo> getHardwareList();
     ITvInputHardware acquireTvInputHardware(int deviceId, in ITvInputHardwareCallback callback,
diff --git a/media/java/android/media/tv/ITvInputManagerCallback.aidl b/media/java/android/media/tv/ITvInputManagerCallback.aidl
index 6792680..3bf415b 100644
--- a/media/java/android/media/tv/ITvInputManagerCallback.aidl
+++ b/media/java/android/media/tv/ITvInputManagerCallback.aidl
@@ -16,13 +16,18 @@
 
 package android.media.tv;
 
+import android.media.tv.TvInputInfo;
+
 /**
  * Interface to receive callbacks from ITvInputManager regardless of sessions.
  * @hide
  */
 oneway interface ITvInputManagerCallback {
-    void onInputStateChanged(in String inputId, int state);
     void onInputAdded(in String inputId);
     void onInputRemoved(in String inputId);
     void onInputUpdated(in String inputId);
+
+    void onInputStateChanged(in String inputId, int state);
+
+    void onTvInputInfoChanged(in String inputId, in TvInputInfo TvInputInfo);
 }
diff --git a/media/java/android/media/tv/ITvInputService.aidl b/media/java/android/media/tv/ITvInputService.aidl
index 7a853d1..bd05184 100644
--- a/media/java/android/media/tv/ITvInputService.aidl
+++ b/media/java/android/media/tv/ITvInputService.aidl
@@ -27,10 +27,11 @@
  * @hide
  */
 oneway interface ITvInputService {
-    void registerCallback(ITvInputServiceCallback callback);
+    void registerCallback(in ITvInputServiceCallback callback);
     void unregisterCallback(in ITvInputServiceCallback callback);
-    void createSession(in InputChannel channel, ITvInputSessionCallback callback,
+    void createSession(in InputChannel channel, in ITvInputSessionCallback callback,
             in String inputId);
+    void createRecordingSession(in ITvInputSessionCallback callback, in String inputId);
 
     // For hardware TvInputService
     void notifyHardwareAdded(in TvInputHardwareInfo hardwareInfo);
diff --git a/media/java/android/media/tv/ITvInputServiceCallback.aidl b/media/java/android/media/tv/ITvInputServiceCallback.aidl
index 74ab562..9f13882 100644
--- a/media/java/android/media/tv/ITvInputServiceCallback.aidl
+++ b/media/java/android/media/tv/ITvInputServiceCallback.aidl
@@ -27,4 +27,6 @@
     void addHardwareTvInput(in int deviceId, in TvInputInfo inputInfo);
     void addHdmiTvInput(in int id, in TvInputInfo inputInfo);
     void removeTvInput(in String inputId);
+
+    void setTvInputInfo(in String inputId, in TvInputInfo inputInfo);
 }
diff --git a/media/java/android/media/tv/ITvInputSession.aidl b/media/java/android/media/tv/ITvInputSession.aidl
index 6a06b8f..408a762 100644
--- a/media/java/android/media/tv/ITvInputSession.aidl
+++ b/media/java/android/media/tv/ITvInputSession.aidl
@@ -48,9 +48,16 @@
 
     void unblockContent(in String unblockedRating);
 
+    void timeShiftPlay(in Uri recordedProgramUri);
     void timeShiftPause();
     void timeShiftResume();
     void timeShiftSeekTo(long timeMs);
     void timeShiftSetPlaybackParams(in PlaybackParams params);
     void timeShiftEnablePositionTracking(boolean enable);
+
+    // For the recording session
+    void connect(in Uri channelUri, in Bundle params);
+    void disconnect();
+    void startRecording();
+    void stopRecording();
 }
diff --git a/media/java/android/media/tv/ITvInputSessionCallback.aidl b/media/java/android/media/tv/ITvInputSessionCallback.aidl
index e936810..cb6a05e 100644
--- a/media/java/android/media/tv/ITvInputSessionCallback.aidl
+++ b/media/java/android/media/tv/ITvInputSessionCallback.aidl
@@ -40,4 +40,10 @@
     void onTimeShiftStatusChanged(int status);
     void onTimeShiftStartPositionChanged(long timeMs);
     void onTimeShiftCurrentPositionChanged(long timeMs);
+
+    // For the recording session
+    void onConnected();
+    void onRecordingStarted();
+    void onRecordingStopped(in Uri recordedProgramUri);
+    void onError(int error);
 }
diff --git a/media/java/android/media/tv/ITvInputSessionWrapper.java b/media/java/android/media/tv/ITvInputSessionWrapper.java
index f8c6f3f..4ac5876 100644
--- a/media/java/android/media/tv/ITvInputSessionWrapper.java
+++ b/media/java/android/media/tv/ITvInputSessionWrapper.java
@@ -59,20 +59,29 @@
     private static final int DO_RELAYOUT_OVERLAY_VIEW = 11;
     private static final int DO_REMOVE_OVERLAY_VIEW = 12;
     private static final int DO_UNBLOCK_CONTENT = 13;
-    private static final int DO_TIME_SHIFT_PAUSE = 14;
-    private static final int DO_TIME_SHIFT_RESUME = 15;
-    private static final int DO_TIME_SHIFT_SEEK_TO = 16;
-    private static final int DO_TIME_SHIFT_SET_PLAYBACK_PARAMS = 17;
-    private static final int DO_TIME_SHIFT_ENABLE_POSITION_TRACKING = 18;
+    private static final int DO_TIME_SHIFT_PLAY = 14;
+    private static final int DO_TIME_SHIFT_PAUSE = 15;
+    private static final int DO_TIME_SHIFT_RESUME = 16;
+    private static final int DO_TIME_SHIFT_SEEK_TO = 17;
+    private static final int DO_TIME_SHIFT_SET_PLAYBACK_PARAMS = 18;
+    private static final int DO_TIME_SHIFT_ENABLE_POSITION_TRACKING = 19;
+    private static final int DO_CONNECT = 20;
+    private static final int DO_DISCONNECT = 21;
+    private static final int DO_START_RECORDING = 22;
+    private static final int DO_STOP_RECORDING = 23;
 
+    private final boolean mIsRecordingSession;
     private final HandlerCaller mCaller;
 
     private TvInputService.Session mTvInputSessionImpl;
+    private TvInputService.RecordingSession mTvInputRecordingSessionImpl;
+
     private InputChannel mChannel;
     private TvInputEventReceiver mReceiver;
 
     public ITvInputSessionWrapper(Context context, TvInputService.Session sessionImpl,
             InputChannel channel) {
+        mIsRecordingSession = false;
         mCaller = new HandlerCaller(context, null, this, true /* asyncHandler */);
         mTvInputSessionImpl = sessionImpl;
         mChannel = channel;
@@ -81,9 +90,19 @@
         }
     }
 
+    public ITvInputSessionWrapper(Context context,
+            TvInputService.RecordingSession recordingSessionImpl) {
+        mIsRecordingSession = true;
+        mCaller = new HandlerCaller(context, null, this, true /* asyncHandler */);
+        mTvInputRecordingSessionImpl = recordingSessionImpl;
+    }
+
     @Override
     public void executeMessage(Message msg) {
-        if (mTvInputSessionImpl == null) {
+        if (!mIsRecordingSession && mTvInputSessionImpl == null) {
+            return;
+        }
+        if (mIsRecordingSession && mTvInputRecordingSessionImpl == null) {
             return;
         }
 
@@ -138,7 +157,12 @@
             }
             case DO_APP_PRIVATE_COMMAND: {
                 SomeArgs args = (SomeArgs) msg.obj;
-                mTvInputSessionImpl.appPrivateCommand((String) args.arg1, (Bundle) args.arg2);
+                if (mIsRecordingSession) {
+                    mTvInputRecordingSessionImpl.appPrivateCommand(
+                            (String) args.arg1, (Bundle) args.arg2);
+                } else {
+                    mTvInputSessionImpl.appPrivateCommand((String) args.arg1, (Bundle) args.arg2);
+                }
                 args.recycle();
                 break;
             }
@@ -160,6 +184,10 @@
                 mTvInputSessionImpl.unblockContent((String) msg.obj);
                 break;
             }
+            case DO_TIME_SHIFT_PLAY: {
+                mTvInputSessionImpl.timeShiftPlay((Uri) msg.obj);
+                break;
+            }
             case DO_TIME_SHIFT_PAUSE: {
                 mTvInputSessionImpl.timeShiftPause();
                 break;
@@ -180,6 +208,25 @@
                 mTvInputSessionImpl.timeShiftEnablePositionTracking((Boolean) msg.obj);
                 break;
             }
+            case DO_CONNECT: {
+                SomeArgs args = (SomeArgs) msg.obj;
+                mTvInputRecordingSessionImpl.connect((Uri) args.arg1, (Bundle) args.arg2);
+                args.recycle();
+                break;
+            }
+            case DO_DISCONNECT: {
+                mTvInputRecordingSessionImpl.disconnect();
+                mTvInputRecordingSessionImpl = null;
+                break;
+            }
+            case DO_START_RECORDING: {
+                mTvInputRecordingSessionImpl.startRecording();
+                break;
+            }
+            case DO_STOP_RECORDING: {
+                mTvInputRecordingSessionImpl.stopRecording();
+                break;
+            }
             default: {
                 Log.w(TAG, "Unhandled message code: " + msg.what);
                 break;
@@ -274,6 +321,12 @@
     }
 
     @Override
+    public void timeShiftPlay(Uri recordedProgramUri) {
+        mCaller.executeOrSendMessage(mCaller.obtainMessageO(
+                DO_TIME_SHIFT_PLAY, recordedProgramUri));
+    }
+
+    @Override
     public void timeShiftPause() {
         mCaller.executeOrSendMessage(mCaller.obtainMessage(DO_TIME_SHIFT_PAUSE));
     }
@@ -300,6 +353,28 @@
                 DO_TIME_SHIFT_ENABLE_POSITION_TRACKING, enable));
     }
 
+    @Override
+    public void connect(Uri channelUri, Bundle params) {
+        // Clear the pending connect requests.
+        mCaller.removeMessages(DO_CONNECT);
+        mCaller.executeOrSendMessage(mCaller.obtainMessageOO(DO_CONNECT, channelUri, params));
+    }
+
+    @Override
+    public void disconnect() {
+        mCaller.executeOrSendMessage(mCaller.obtainMessage(DO_DISCONNECT));
+    }
+
+    @Override
+    public void startRecording() {
+        mCaller.executeOrSendMessage(mCaller.obtainMessage(DO_START_RECORDING));
+    }
+
+    @Override
+    public void stopRecording() {
+        mCaller.executeOrSendMessage(mCaller.obtainMessage(DO_STOP_RECORDING));
+    }
+
     private final class TvInputEventReceiver extends InputEventReceiver {
         public TvInputEventReceiver(InputChannel inputChannel, Looper looper) {
             super(inputChannel, looper);
diff --git a/media/java/android/media/tv/TvContract.java b/media/java/android/media/tv/TvContract.java
index 7cd086e..62a01dc 100644
--- a/media/java/android/media/tv/TvContract.java
+++ b/media/java/android/media/tv/TvContract.java
@@ -54,6 +54,7 @@
 
     private static final String PATH_CHANNEL = "channel";
     private static final String PATH_PROGRAM = "program";
+    private static final String PATH_RECORDED_PROGRAM = "recorded_program";
     private static final String PATH_PASSTHROUGH = "passthrough";
 
     /**
@@ -273,6 +274,15 @@
     }
 
     /**
+     * Builds a URI that points to a specific recorded program.
+     *
+     * @param recordedProgramId The ID of the recorded program to point to.
+     */
+    public static final Uri buildRecordedProgramUri(long recordedProgramId) {
+        return ContentUris.withAppendedId(RecordedPrograms.CONTENT_URI, recordedProgramId);
+    }
+
+    /**
      * Builds a URI that points to a specific program the user watched.
      *
      * @param watchedProgramId The ID of the watched program to point to.
@@ -941,6 +951,8 @@
          *
          * <p>This is a part of the channel URI and matches to {@link BaseColumns#_ID}.
          *
+         * <p>This is a required field.
+         *
          * <p>Type: INTEGER (long)
          */
         public static final String COLUMN_CHANNEL_ID = "channel_id";
@@ -1336,6 +1348,382 @@
     }
 
     /**
+     * Column definitions for the recorded TV programs table.
+     *
+     * <p>By default, the query results will be sorted by {@link #COLUMN_START_TIME_UTC_MILLIS} in
+     * ascending order.
+     */
+    public static final class RecordedPrograms implements BaseTvColumns {
+
+        /** The content:// style URI for this table. */
+        public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/"
+                + PATH_RECORDED_PROGRAM);
+
+        /** The MIME type of a directory of recorded TV programs. */
+        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/recorded_program";
+
+        /** The MIME type of a single recorded TV program. */
+        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/recorded_program";
+
+        /**
+         * The ID of the TV channel that provided this recorded TV program.
+         *
+         * <p>This is a part of the channel URI and matches to {@link BaseColumns#_ID}.
+         *
+         * <p>This is a required field.
+         *
+         * <p>Type: INTEGER (long)
+         * @see Programs#COLUMN_CHANNEL_ID
+         */
+        public static final String COLUMN_CHANNEL_ID = Programs.COLUMN_CHANNEL_ID;
+
+        /**
+         * The title of this recorded TV program.
+         *
+         * <p>If this recorded program is an episodic TV show, it is recommended that the title is
+         * the series title and its related fields ({@link #COLUMN_SEASON_NUMBER},
+         * {@link #COLUMN_EPISODE_NUMBER}, and {@link #COLUMN_EPISODE_TITLE}) are filled in.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_TITLE
+         */
+        public static final String COLUMN_TITLE = Programs.COLUMN_TITLE;
+
+        /**
+         * The season number of this recorded TV program for episodic TV shows.
+         *
+         * <p>Can be empty.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_SEASON_NUMBER
+         */
+        public static final String COLUMN_SEASON_NUMBER = Programs.COLUMN_SEASON_NUMBER;
+
+        /**
+         * The episode number of this recorded TV program for episodic TV shows.
+         *
+         * <p>Can be empty.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_EPISODE_NUMBER
+         */
+        public static final String COLUMN_EPISODE_NUMBER = Programs.COLUMN_EPISODE_NUMBER;
+
+        /**
+         * The episode title of this recorded TV program for episodic TV shows.
+         *
+         * <p>Can be empty.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_EPISODE_TITLE
+         */
+        public static final String COLUMN_EPISODE_TITLE = Programs.COLUMN_EPISODE_TITLE;
+
+        /**
+         * The start time of the original TV program, in milliseconds since the epoch.
+         *
+         * <p>Type: INTEGER (long)
+         * @see Programs#COLUMN_START_TIME_UTC_MILLIS
+         */
+        public static final String COLUMN_START_TIME_UTC_MILLIS =
+                Programs.COLUMN_START_TIME_UTC_MILLIS;
+
+        /**
+         * The end time of the original TV program, in milliseconds since the epoch.
+         *
+         * <p>Type: INTEGER (long)
+         * @see Programs#COLUMN_END_TIME_UTC_MILLIS
+         */
+        public static final String COLUMN_END_TIME_UTC_MILLIS = Programs.COLUMN_END_TIME_UTC_MILLIS;
+
+        /**
+         * The comma-separated genre string of this recorded TV program.
+         *
+         * <p>Use the same language appeared in the underlying broadcast standard, if applicable.
+         * (For example, one can refer to the genre strings used in Genre Descriptor of ATSC A/65 or
+         * Content Descriptor of ETSI EN 300 468, if appropriate.) Otherwise, leave empty.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_BROADCAST_GENRE
+         */
+        public static final String COLUMN_BROADCAST_GENRE = Programs.COLUMN_BROADCAST_GENRE;
+
+        /**
+         * The comma-separated canonical genre string of this recorded TV program.
+         *
+         * <p>Canonical genres are defined in {@link Programs.Genres}. Use
+         * {@link Programs.Genres#encode Genres.encode()} to create a text that can be stored in
+         * this column. Use {@link Programs.Genres#decode Genres.decode()} to get the canonical
+         * genre strings from the text stored in this column.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_CANONICAL_GENRE
+         * @see Programs.Genres
+         */
+        public static final String COLUMN_CANONICAL_GENRE = Programs.COLUMN_CANONICAL_GENRE;
+
+        /**
+         * The short description of this recorded TV program that is displayed to the user by
+         * default.
+         *
+         * <p>It is recommended to limit the length of the descriptions to 256 characters.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_SHORT_DESCRIPTION
+         */
+        public static final String COLUMN_SHORT_DESCRIPTION = Programs.COLUMN_SHORT_DESCRIPTION;
+
+        /**
+         * The detailed, lengthy description of this recorded TV program that is displayed only when
+         * the user wants to see more information.
+         *
+         * <p>TV input services should leave this field empty if they have no additional details
+         * beyond {@link #COLUMN_SHORT_DESCRIPTION}.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_LONG_DESCRIPTION
+         */
+        public static final String COLUMN_LONG_DESCRIPTION = Programs.COLUMN_LONG_DESCRIPTION;
+
+        /**
+         * The width of the video for this recorded TV program, in the unit of pixels.
+         *
+         * <p>Together with {@link #COLUMN_VIDEO_HEIGHT} this is used to determine the video
+         * resolution of the current recorded TV program. Can be empty if it is not known or the
+         * recorded program does not convey any video.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_VIDEO_WIDTH
+         */
+        public static final String COLUMN_VIDEO_WIDTH = Programs.COLUMN_VIDEO_WIDTH;
+
+        /**
+         * The height of the video for this recorded TV program, in the unit of pixels.
+         *
+         * <p>Together with {@link #COLUMN_VIDEO_WIDTH} this is used to determine the video
+         * resolution of the current recorded TV program. Can be empty if it is not known or the
+         * recorded program does not convey any video.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_VIDEO_HEIGHT
+         */
+        public static final String COLUMN_VIDEO_HEIGHT = Programs.COLUMN_VIDEO_HEIGHT;
+
+        /**
+         * The comma-separated audio languages of this recorded TV program.
+         *
+         * <p>This is used to describe available audio languages included in the recorded program.
+         * Use either ISO 639-1 or 639-2/T codes.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_AUDIO_LANGUAGE
+         */
+        public static final String COLUMN_AUDIO_LANGUAGE = Programs.COLUMN_AUDIO_LANGUAGE;
+
+        /**
+         * The comma-separated content ratings of this recorded TV program.
+         *
+         * <p>This is used to describe the content rating(s) of this recorded program. Each
+         * comma-separated content rating sub-string should be generated by calling
+         * {@link TvContentRating#flattenToString}. Note that in most cases the recorded program
+         * content is rated by a single rating system, thus resulting in a corresponding single
+         * sub-string that does not require comma separation and multiple sub-strings appear only
+         * when the recorded program content is rated by two or more content rating systems. If any
+         * of those ratings is specified as "blocked rating" in the user's parental control
+         * settings, the TV input service should block the current content and wait for the signal
+         * that it is okay to unblock.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_CONTENT_RATING
+         */
+        public static final String COLUMN_CONTENT_RATING = Programs.COLUMN_CONTENT_RATING;
+
+        /**
+         * The URI for the poster art of this recorded TV program.
+         *
+         * <p>The data in the column must be a URL, or a URI in one of the following formats:
+         *
+         * <ul>
+         * <li>content ({@link android.content.ContentResolver#SCHEME_CONTENT})</li>
+         * <li>android.resource ({@link android.content.ContentResolver#SCHEME_ANDROID_RESOURCE})
+         * </li>
+         * <li>file ({@link android.content.ContentResolver#SCHEME_FILE})</li>
+         * </ul>
+         *
+         * <p>Can be empty.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_POSTER_ART_URI
+         */
+        public static final String COLUMN_POSTER_ART_URI = Programs.COLUMN_POSTER_ART_URI;
+
+        /**
+         * The URI for the thumbnail of this recorded TV program.
+         *
+         * <p>The system can generate a thumbnail from the poster art if this column is not
+         * specified. Thus it is not necessary for TV input services to include a thumbnail if it is
+         * just a scaled image of the poster art.
+         *
+         * <p>The data in the column must be a URL, or a URI in one of the following formats:
+         *
+         * <ul>
+         * <li>content ({@link android.content.ContentResolver#SCHEME_CONTENT})</li>
+         * <li>android.resource ({@link android.content.ContentResolver#SCHEME_ANDROID_RESOURCE})
+         * </li>
+         * <li>file ({@link android.content.ContentResolver#SCHEME_FILE})</li>
+         * </ul>
+         *
+         * <p>Can be empty.
+         *
+         * <p>Type: TEXT
+         * @see Programs#COLUMN_THUMBNAIL_URI
+         */
+        public static final String COLUMN_THUMBNAIL_URI = Programs.COLUMN_THUMBNAIL_URI;
+
+        /**
+         * The flag indicating whether this recorded TV program is searchable or not.
+         *
+         * <p>The columns of searchable recorded programs can be read by other applications that
+         * have proper permission. Care must be taken not to open sensitive data.
+         *
+         * <p>A value of 1 indicates that the recorded program is searchable and its columns can be
+         * read by other applications, a value of 0 indicates that the recorded program is hidden
+         * and its columns can be read only by the package that owns the recorded program and the
+         * system. If not specified, this value is set to 1 (searchable) by default.
+         *
+         * <p>Type: INTEGER (boolean)
+         * @see Programs#COLUMN_SEARCHABLE
+         */
+        public static final String COLUMN_SEARCHABLE = Programs.COLUMN_SEARCHABLE;
+
+        /**
+         * The URI of the recording data for this recorded program.
+         *
+         * <p>Together with {@link #COLUMN_RECORDING_DATA_BYTES}, applications can use this
+         * information to manage recording storage. The URI should indicate a file or directory with
+         * the scheme {@link android.content.ContentResolver#SCHEME_FILE}.
+         *
+         * <p>Type: TEXT
+         * @see #COLUMN_RECORDING_DATA_BYTES
+         */
+        public static final String COLUMN_RECORDING_DATA_URI = "recording_data_uri";
+
+        /**
+         * The data size (in bytes) for this recorded program.
+         *
+         * <p>Together with {@link #COLUMN_RECORDING_DATA_URI}, applications can use this
+         * information to manage recording storage.
+         *
+         * <p>Type: INTEGER (long)
+         * @see #COLUMN_RECORDING_DATA_URI
+         */
+        public static final String COLUMN_RECORDING_DATA_BYTES = "recording_data_bytes";
+
+        /**
+         * The duration (in milliseconds) of this recorded program.
+         *
+         * <p>The actual duration of the recorded program can differ from the one calculated by
+         * {@link #COLUMN_END_TIME_UTC_MILLIS} - {@link #COLUMN_START_TIME_UTC_MILLIS} as program
+         * recording can be interrupted in the middle for some reason, resulting in a partially
+         * recorded program, which is still playable.
+         *
+         * <p>Type: INTEGER
+         */
+        public static final String COLUMN_RECORDING_DURATION_MILLIS = "recording_duration_millis";
+
+        /**
+         * The expiration time for this recorded program, in milliseconds since the epoch.
+         *
+         * <p>Recorded TV programs do not expire by default unless explicitly requested by the user
+         * or the user allows applications to delete them in order to free up disk space for future
+         * recording. However, some TV content can have expiration date set by the content provider
+         * when recorded. This field is used to indicate such a restriction.
+         *
+         * <p>Can be empty.
+         *
+         * <p>Type: INTEGER (long)
+         */
+        public static final String COLUMN_RECORDING_EXPIRE_TIME_UTC_MILLIS =
+                "recording_expire_time_utc_millis";
+
+
+        /**
+         * Internal data used by individual TV input services.
+         *
+         * <p>This is internal to the provider that inserted it, and should not be decoded by other
+         * apps.
+         *
+         * <p>Type: BLOB
+         * @see Programs#COLUMN_INTERNAL_PROVIDER_DATA
+         */
+        public static final String COLUMN_INTERNAL_PROVIDER_DATA =
+                Programs.COLUMN_INTERNAL_PROVIDER_DATA;
+
+        /**
+         * Internal integer flag used by individual TV input services.
+         *
+         * <p>This is internal to the provider that inserted it, and should not be decoded by other
+         * apps.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_INTERNAL_PROVIDER_FLAG1
+         */
+        public static final String COLUMN_INTERNAL_PROVIDER_FLAG1 =
+                Programs.COLUMN_INTERNAL_PROVIDER_FLAG1;
+
+        /**
+         * Internal integer flag used by individual TV input services.
+         *
+         * <p>This is internal to the provider that inserted it, and should not be decoded by other
+         * apps.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_INTERNAL_PROVIDER_FLAG2
+         */
+        public static final String COLUMN_INTERNAL_PROVIDER_FLAG2 =
+                Programs.COLUMN_INTERNAL_PROVIDER_FLAG2;
+
+        /**
+         * Internal integer flag used by individual TV input services.
+         *
+         * <p>This is internal to the provider that inserted it, and should not be decoded by other
+         * apps.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_INTERNAL_PROVIDER_FLAG3
+         */
+        public static final String COLUMN_INTERNAL_PROVIDER_FLAG3 =
+                Programs.COLUMN_INTERNAL_PROVIDER_FLAG3;
+
+        /**
+         * Internal integer flag used by individual TV input services.
+         *
+         * <p>This is internal to the provider that inserted it, and should not be decoded by other
+         * apps.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_INTERNAL_PROVIDER_FLAG4
+         */
+        public static final String COLUMN_INTERNAL_PROVIDER_FLAG4 =
+                Programs.COLUMN_INTERNAL_PROVIDER_FLAG4;
+
+        /**
+         * The version number of this row entry used by TV input services.
+         *
+         * <p>This is best used by sync adapters to identify the rows to update. The number can be
+         * defined by individual TV input services. One may assign the same value as
+         * {@code version_number} in ETSI EN 300 468 or ATSC A/65, if the data are coming from a TV
+         * broadcast.
+         *
+         * <p>Type: INTEGER
+         * @see Programs#COLUMN_VERSION_NUMBER
+         */
+        public static final String COLUMN_VERSION_NUMBER = Programs.COLUMN_VERSION_NUMBER;
+
+        private RecordedPrograms() {}
+    }
+
+    /**
      * Column definitions for the TV programs that the user watched. Applications do not have access
      * to this table.
      *
@@ -1376,6 +1764,8 @@
         /**
          * The ID of the TV channel that provides this TV program.
          *
+         * <p>This is a required field.
+         *
          * <p>Type: INTEGER (long)
          */
         public static final String COLUMN_CHANNEL_ID = "channel_id";
diff --git a/media/java/android/media/tv/TvInputInfo.java b/media/java/android/media/tv/TvInputInfo.java
index a3d748e..3960230 100644
--- a/media/java/android/media/tv/TvInputInfo.java
+++ b/media/java/android/media/tv/TvInputInfo.java
@@ -419,6 +419,27 @@
     }
 
     /**
+     * Returns the number of tuners this TV input has.
+     *
+     * <p>This method is valid only for the input of type {@link #TYPE_TUNER}.
+     *
+     * <p>Tuners correspond to physical/logical resources that allow reception of TV signal. Having
+     * <i>N</i> tuners means that the TV input is capable of receiving <i>N</i> different channels
+     * concurrently.
+     *
+     */
+    public int getTunerCount() {
+        return mType == TYPE_TUNER ? 1 : 0;
+    }
+
+    /**
+     * Returns {@code true} if this TV input can record TV programs, {@code false} otherwise.
+     */
+    public boolean canRecord() {
+        return false;
+    }
+
+    /**
      * Returns the HDMI device information of this TV input.
      * @hide
      */
diff --git a/media/java/android/media/tv/TvInputManager.java b/media/java/android/media/tv/TvInputManager.java
index 6a13f82..f1de8fd 100644
--- a/media/java/android/media/tv/TvInputManager.java
+++ b/media/java/android/media/tv/TvInputManager.java
@@ -16,6 +16,7 @@
 
 package android.media.tv;
 
+import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
@@ -44,6 +45,8 @@
 
 import com.android.internal.util.Preconditions;
 
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.LinkedList;
@@ -126,6 +129,35 @@
     public static final long TIME_SHIFT_INVALID_TIME = Long.MIN_VALUE;
 
     /**
+     * RecordingError when a requested operation cannot be completed due to a problem that does not
+     * fit under any other error code.
+     */
+    public static final int RECORDING_ERROR_UNKNOWN = 0;
+
+    /**
+     * RecordingError when an attempt to connect to a recording session has failed or the
+     * established connection has been disconnected without a known reason.
+     */
+    public static final int RECORDING_ERROR_CONNECTION_FAILED = 1;
+
+    /**
+     * RecordingError when recording cannot proceed due to insufficient storage space.
+     */
+    public static final int RECORDING_ERROR_INSUFFICIENT_SPACE = 2;
+
+    /**
+     * RecordingError when recording cannot proceed because the required recording resource is not
+     * able to be allocated.
+     */
+    public static final int RECORDING_ERROR_RESOURCE_BUSY = 3;
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({RECORDING_ERROR_UNKNOWN, RECORDING_ERROR_CONNECTION_FAILED,
+            RECORDING_ERROR_INSUFFICIENT_SPACE, RECORDING_ERROR_RESOURCE_BUSY})
+    public @interface RecordingError {}
+
+    /**
      * The TV input is connected.
      *
      * <p>This state indicates that a source device is connected to the input port and is in the
@@ -416,6 +448,39 @@
          */
         public void onTimeShiftCurrentPositionChanged(Session session, long timeMs) {
         }
+
+        /**
+         * This is called when a recording session initiated by a call to {@link
+         * TvRecordingClient#connect(String, Uri)} has been established.
+         */
+        void onConnected(Session session) {
+        }
+
+        /**
+         * This is called when TV program recording on the current channel has started.
+         *
+         * @param session A {@link TvInputManager.Session} associated with this callback.
+         */
+        void onRecordingStarted(Session session) {
+        }
+
+        /**
+         * This is called when TV program recording on the current channel has stopped. The passed
+         * URI contains information about the new recorded program.
+         *
+         * @param recordedProgramUri The URI for the new recorded program.
+         * @see android.media.tv.TvContract.RecordedPrograms
+         **/
+        void onRecordingStopped(Session session, Uri recordedProgramUri) {
+        }
+
+        /**
+         * This is called when an issue has occurred before or during recording.
+         *
+         * @param error The error code.
+         */
+        void onError(Session session, @TvInputManager.RecordingError int error) {
+        }
     }
 
     private static final class SessionCallbackRecord {
@@ -565,6 +630,46 @@
                 }
             });
         }
+
+        // For the recording session only
+        void postConnected() {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mSessionCallback.onConnected(mSession);
+                }
+            });
+        }
+
+        // For the recording session only
+        void postRecordingStarted() {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mSessionCallback.onRecordingStarted(mSession);
+                }
+            });
+        }
+
+        // For the recording session only
+        void postRecordingStopped(final Uri recordedProgramUri) {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mSessionCallback.onRecordingStopped(mSession, recordedProgramUri);
+                }
+            });
+        }
+
+        // For the recording session only
+        void postError(final int error) {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mSessionCallback.onError(mSession, error);
+                }
+            });
+        }
     }
 
     /**
@@ -574,7 +679,7 @@
         /**
          * This is called when the state of a given TV input is changed.
          *
-         * @param inputId The id of the TV input.
+         * @param inputId The ID of the TV input.
          * @param state State of the TV input. The value is one of the following:
          * <ul>
          * <li>{@link TvInputManager#INPUT_STATE_CONNECTED}
@@ -591,7 +696,7 @@
          * <p>Normally it happens when the user installs a new TV input package that implements
          * {@link TvInputService} interface.
          *
-         * @param inputId The id of the TV input.
+         * @param inputId The ID of the TV input.
          */
         public void onInputAdded(String inputId) {
         }
@@ -602,7 +707,7 @@
          * <p>Normally it happens when the user uninstalls the previously installed TV input
          * package.
          *
-         * @param inputId The id of the TV input.
+         * @param inputId The ID of the TV input.
          */
         public void onInputRemoved(String inputId) {
         }
@@ -613,12 +718,21 @@
          * <p>Normally it happens when a previously installed TV input package is re-installed or
          * the media on which a newer version of the package exists becomes available/unavailable.
          *
-         * @param inputId The id of the TV input.
+         * @param inputId The ID of the TV input.
          * @hide
          */
         @SystemApi
         public void onInputUpdated(String inputId) {
         }
+
+        /**
+         * This is called when the information about a given TV input is changed.
+         *
+         * @param inputId The ID of the TV input.
+         * @param inputInfo TvInputInfo object that contains the information about the TV input.
+         */
+        public void onTvInputInfoChanged(String inputId, TvInputInfo inputInfo) {
+        }
     }
 
     private static final class TvInputCallbackRecord {
@@ -634,15 +748,6 @@
             return mCallback;
         }
 
-        public void postInputStateChanged(final String inputId, final int state) {
-            mHandler.post(new Runnable() {
-                @Override
-                public void run() {
-                    mCallback.onInputStateChanged(inputId, state);
-                }
-            });
-        }
-
         public void postInputAdded(final String inputId) {
             mHandler.post(new Runnable() {
                 @Override
@@ -669,6 +774,24 @@
                 }
             });
         }
+
+        public void postInputStateChanged(final String inputId, final int state) {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mCallback.onInputStateChanged(inputId, state);
+                }
+            });
+        }
+
+        public void postTvInputInfoChanged(final String inputId, final TvInputInfo inputInfo) {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mCallback.onTvInputInfoChanged(inputId, inputInfo);
+                }
+            });
+        }
     }
 
     /**
@@ -876,19 +999,57 @@
                     record.postTimeShiftCurrentPositionChanged(timeMs);
                 }
             }
-        };
-        ITvInputManagerCallback managerCallback = new ITvInputManagerCallback.Stub() {
+
             @Override
-            public void onInputStateChanged(String inputId, int state) {
-                synchronized (mLock) {
-                    mStateMap.put(inputId, state);
-                    for (TvInputCallbackRecord record : mCallbackRecords) {
-                        record.postInputStateChanged(inputId, state);
+            public void onConnected(int seq) {
+                synchronized (mSessionCallbackRecordMap) {
+                    SessionCallbackRecord record = mSessionCallbackRecordMap.get(seq);
+                    if (record == null) {
+                        Log.e(TAG, "Callback not found for seq " + seq);
+                        return;
                     }
+                    record.postConnected();
                 }
             }
 
             @Override
+            public void onRecordingStarted(int seq) {
+                synchronized (mSessionCallbackRecordMap) {
+                    SessionCallbackRecord record = mSessionCallbackRecordMap.get(seq);
+                    if (record == null) {
+                        Log.e(TAG, "Callback not found for seq " + seq);
+                        return;
+                    }
+                    record.postRecordingStarted();
+                }
+            }
+
+            @Override
+            public void onRecordingStopped(Uri recordedProgramUri, int seq) {
+                synchronized (mSessionCallbackRecordMap) {
+                    SessionCallbackRecord record = mSessionCallbackRecordMap.get(seq);
+                    if (record == null) {
+                        Log.e(TAG, "Callback not found for seq " + seq);
+                        return;
+                    }
+                    record.postRecordingStopped(recordedProgramUri);
+                }
+            }
+
+            @Override
+            public void onError(int error, int seq) {
+                synchronized (mSessionCallbackRecordMap) {
+                    SessionCallbackRecord record = mSessionCallbackRecordMap.get(seq);
+                    if (record == null) {
+                        Log.e(TAG, "Callback not found for seq " + seq);
+                        return;
+                    }
+                    record.postError(error);
+                }
+            }
+        };
+        ITvInputManagerCallback managerCallback = new ITvInputManagerCallback.Stub() {
+            @Override
             public void onInputAdded(String inputId) {
                 synchronized (mLock) {
                     mStateMap.put(inputId, INPUT_STATE_CONNECTED);
@@ -916,6 +1077,25 @@
                     }
                 }
             }
+
+            @Override
+            public void onInputStateChanged(String inputId, int state) {
+                synchronized (mLock) {
+                    mStateMap.put(inputId, state);
+                    for (TvInputCallbackRecord record : mCallbackRecords) {
+                        record.postInputStateChanged(inputId, state);
+                    }
+                }
+            }
+
+            @Override
+            public void onTvInputInfoChanged(String inputId, TvInputInfo inputInfo) {
+                synchronized (mLock) {
+                    for (TvInputCallbackRecord record : mCallbackRecords) {
+                        record.postTvInputInfoChanged(inputId, inputInfo);
+                    }
+                }
+            }
         };
         try {
             if (mService != null) {
@@ -972,7 +1152,7 @@
      * <li>{@link #INPUT_STATE_DISCONNECTED}
      * </ul>
      *
-     * @param inputId The id of the TV input.
+     * @param inputId The ID of the TV input.
      * @throws IllegalArgumentException if the argument is {@code null}.
      */
     public int getInputState(@NonNull String inputId) {
@@ -1139,7 +1319,7 @@
      * <p>The number of sessions that can be created at the same time is limited by the capability
      * of the given TV input.
      *
-     * @param inputId The id of the TV input.
+     * @param inputId The ID of the TV input.
      * @param callback A callback used to receive the created session.
      * @param handler A {@link Handler} that the session creation will be delivered to.
      * @hide
@@ -1147,6 +1327,28 @@
     @SystemApi
     public void createSession(@NonNull String inputId, @NonNull final SessionCallback callback,
             @NonNull Handler handler) {
+        createSessionInternal(inputId, false, callback, handler);
+    }
+
+    /**
+     * Creates a recording {@link Session} for a given TV input.
+     *
+     * <p>The number of sessions that can be created at the same time is limited by the capability
+     * of the given TV input.
+     *
+     * @param inputId The ID of the TV input.
+     * @param callback A callback used to receive the created session.
+     * @param handler A {@link Handler} that the session creation will be delivered to.
+     * @hide
+     */
+    @SystemApi
+    public void createRecordingSession(@NonNull String inputId,
+            @NonNull final SessionCallback callback, @NonNull Handler handler) {
+        createSessionInternal(inputId, true, callback, handler);
+    }
+
+    private void createSessionInternal(String inputId, boolean isRecordingSession,
+            SessionCallback callback, Handler handler) {
         Preconditions.checkNotNull(inputId);
         Preconditions.checkNotNull(callback);
         Preconditions.checkNotNull(handler);
@@ -1155,7 +1357,7 @@
             int seq = mNextSeq++;
             mSessionCallbackRecordMap.put(seq, record);
             try {
-                mService.createSession(mClient, inputId, seq, mUserId);
+                mService.createSession(mClient, inputId, isRecordingSession, seq, mUserId);
             } catch (RemoteException e) {
                 throw new RuntimeException(e);
             }
@@ -1171,7 +1373,7 @@
      * here. This method is designed to be used with {@link #captureFrame} in
      * capture scenarios specifically and not suitable for any other use.
      *
-     * @param inputId the id of the TV input.
+     * @param inputId The ID of the TV input.
      * @return List of {@link TvStreamConfig} which is available for capturing
      *   of the given TV input.
      * @hide
@@ -1188,7 +1390,7 @@
     /**
      * Take a snapshot of the given TV input into the provided Surface.
      *
-     * @param inputId the id of the TV input.
+     * @param inputId The ID of the TV input.
      * @param surface the {@link Surface} to which the snapshot is captured.
      * @param config the {@link TvStreamConfig} which is used for capturing.
      * @return true when the {@link Surface} is ready to be captured.
@@ -1607,7 +1809,7 @@
          * Returns the selected track for a given type. Returns {@code null} if the information is
          * not available or any of the tracks for the given type is not selected.
          *
-         * @return the ID of the selected track.
+         * @return The ID of the selected track.
          * @see #selectTrack
          */
         @Nullable
@@ -1697,6 +1899,21 @@
         }
 
         /**
+         * Plays a given recorded TV program.
+         */
+        void timeShiftPlay(Uri recordedProgramUri) {
+            if (mToken == null) {
+                Log.w(TAG, "The session has been already released");
+                return;
+            }
+            try {
+                mService.timeShiftPlay(mToken, recordedProgramUri, mUserId);
+            } catch (RemoteException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        /**
          * Pauses the playback. Call {@link #timeShiftResume()} to restart the playback.
          */
         void timeShiftPause() {
@@ -1782,6 +1999,62 @@
         }
 
         /**
+         * Connects to a given channel for TV program recording.
+         */
+        void connect(Uri channelUri) {
+            connect(channelUri, null);
+        }
+
+        /**
+         * Tunes to a given channel.
+         *
+         * @param channelUri The URI of a channel.
+         * @param params Extra parameters.
+         */
+        void connect(@NonNull Uri channelUri, Bundle params) {
+            Preconditions.checkNotNull(channelUri);
+            if (mToken == null) {
+                Log.w(TAG, "The session has been already released");
+                return;
+            }
+            try {
+                mService.connect(mToken, channelUri, params, mUserId);
+            } catch (RemoteException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        /**
+         * Starts TV program recording for the current recording session.
+         */
+        void startRecording() {
+            if (mToken == null) {
+                Log.w(TAG, "The session has been already released");
+                return;
+            }
+            try {
+                mService.startRecording(mToken, mUserId);
+            } catch (RemoteException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        /**
+         * Stops TV program recording for the current recording session.
+         */
+        void stopRecording() {
+            if (mToken == null) {
+                Log.w(TAG, "The session has been already released");
+                return;
+            }
+            try {
+                mService.stopRecording(mToken, mUserId);
+            } catch (RemoteException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+        /**
          * Calls {@link TvInputService.Session#appPrivateCommand(String, Bundle)
          * TvInputService.Session.appPrivateCommand()} on the current TvView.
          *
diff --git a/media/java/android/media/tv/TvInputService.java b/media/java/android/media/tv/TvInputService.java
index 053d43b6..6d9b1ad 100644
--- a/media/java/android/media/tv/TvInputService.java
+++ b/media/java/android/media/tv/TvInputService.java
@@ -16,6 +16,7 @@
 
 package android.media.tv;
 
+import android.annotation.MainThread;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SuppressLint;
@@ -136,6 +137,18 @@
             }
 
             @Override
+            public void createRecordingSession(ITvInputSessionCallback cb, String inputId) {
+                if (cb == null) {
+                    return;
+                }
+                SomeArgs args = SomeArgs.obtain();
+                args.arg1 = cb;
+                args.arg2 = inputId;
+                mServiceHandler.obtainMessage(ServiceHandler.DO_CREATE_RECORDING_SESSION, args)
+                        .sendToTarget();
+            }
+
+            @Override
             public void notifyHardwareAdded(TvInputHardwareInfo hardwareInfo) {
                 mServiceHandler.obtainMessage(ServiceHandler.DO_ADD_HARDWARE_TV_INPUT,
                         hardwareInfo).sendToTarget();
@@ -174,6 +187,17 @@
     public abstract Session onCreateSession(String inputId);
 
     /**
+     * Returns a concrete implementation of {@link RecordingSession}.
+     *
+     * <p>May return {@code null} if this TV input service fails to create a recording session for
+     * some reason.
+     *
+     * @param inputId The ID of the TV input associated with the recording session.
+     */
+    @Nullable
+    public abstract RecordingSession onCreateRecordingSession(String inputId);
+
+    /**
      * Returns a new {@link TvInputInfo} object if this service is responsible for
      * {@code hardwareInfo}; otherwise, return {@code null}. Override to modify default behavior of
      * ignoring all hardware input.
@@ -229,6 +253,25 @@
         return null;
     }
 
+
+    /**
+     * Sets the TvInputInfo for this TV input.
+     *
+     * <p>The system service automatically creates the TvInputInfo for each TV input based on
+     * information collected from the AndroidManifest.xml, thus it is not necessary to call this
+     * method unless the TV input has additional information to pass such as ability to record and
+     * tuner count.
+     *
+     * @param inputId The ID of the TV input.
+     * @param inputInfo The TvInputInfo object that contains that new information.
+     */
+    public final void setTvInputInfo(String inputId, TvInputInfo inputInfo) {
+        SomeArgs args = SomeArgs.obtain();
+        args.arg1 = inputId;
+        args.arg2 = inputInfo;
+        mServiceHandler.obtainMessage(ServiceHandler.DO_SET_TV_INPUT_INFO, args).sendToTarget();
+    }
+
     private boolean isPassthroughInput(String inputId) {
         if (mTvInputManager == null) {
             mTvInputManager = (TvInputManager) getSystemService(Context.TV_INPUT_SERVICE);
@@ -322,7 +365,7 @@
         @SystemApi
         public void notifySessionEvent(@NonNull final String eventType, final Bundle eventArgs) {
             Preconditions.checkNotNull(eventType);
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
                 @Override
                 public void run() {
                     try {
@@ -347,7 +390,8 @@
          * @param channelUri The URI of the new channel.
          */
         public void notifyChannelRetuned(final Uri channelUri) {
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -387,7 +431,8 @@
 
             // TODO: Validate the track list.
             final List<TvTrackInfo> tracksCopy = new ArrayList<>(tracks);
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -417,7 +462,8 @@
          * @see #onSelectTrack
          */
         public void notifyTrackSelected(final int type, final String trackId) {
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -443,7 +489,8 @@
          * @see #notifyVideoUnavailable
          */
         public void notifyVideoAvailable() {
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -478,7 +525,8 @@
                     || reason > TvInputManager.VIDEO_UNAVAILABLE_REASON_END) {
                 throw new IllegalArgumentException("Unknown reason: " + reason);
             }
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -518,7 +566,8 @@
          * @see TvInputManager
          */
         public void notifyContentAllowed() {
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -562,7 +611,8 @@
          */
         public void notifyContentBlocked(@NonNull final TvContentRating rating) {
             Preconditions.checkNotNull(rating);
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -603,7 +653,8 @@
          * </ul>
          */
         public void notifyTimeShiftStatusChanged(final int status) {
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -619,7 +670,8 @@
         }
 
         private void notifyTimeShiftStartPositionChanged(final long timeMs) {
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -635,7 +687,8 @@
         }
 
         private void notifyTimeShiftCurrentPositionChanged(final long timeMs) {
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -665,7 +718,8 @@
             if (left > right || top > bottom) {
                 throw new IllegalArgumentException("Invalid parameter");
             }
-            executeOrPostRunnable(new Runnable() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
                 @Override
                 public void run() {
                     try {
@@ -858,13 +912,28 @@
         }
 
         /**
+         * Called when the application requests to play a given recorded TV program.
+         *
+         * @param recordedProgramUri The URI of a recorded TV program.
+         * @see #onTimeShiftResume()
+         * @see #onTimeShiftPause()
+         * @see #onTimeShiftSeekTo(long)
+         * @see #onTimeShiftSetPlaybackParams(PlaybackParams)
+         * @see #onTimeShiftGetStartPosition()
+         * @see #onTimeShiftGetCurrentPosition()
+         */
+        public void onTimeShiftPlay(Uri recordedProgramUri) {
+        }
+
+        /**
          * Called when the application requests to pause playback.
          *
-         * @see #onTimeShiftResume
-         * @see #onTimeShiftSeekTo
-         * @see #onTimeShiftSetPlaybackParams
-         * @see #onTimeShiftGetStartPosition
-         * @see #onTimeShiftGetCurrentPosition
+         * @see #onTimeShiftPlay(Uri)
+         * @see #onTimeShiftResume()
+         * @see #onTimeShiftSeekTo(long)
+         * @see #onTimeShiftSetPlaybackParams(PlaybackParams)
+         * @see #onTimeShiftGetStartPosition()
+         * @see #onTimeShiftGetCurrentPosition()
          */
         public void onTimeShiftPause() {
         }
@@ -872,11 +941,12 @@
         /**
          * Called when the application requests to resume playback.
          *
-         * @see #onTimeShiftPause
-         * @see #onTimeShiftSeekTo
-         * @see #onTimeShiftSetPlaybackParams
-         * @see #onTimeShiftGetStartPosition
-         * @see #onTimeShiftGetCurrentPosition
+         * @see #onTimeShiftPlay(Uri)
+         * @see #onTimeShiftPause()
+         * @see #onTimeShiftSeekTo(long)
+         * @see #onTimeShiftSetPlaybackParams(PlaybackParams)
+         * @see #onTimeShiftGetStartPosition()
+         * @see #onTimeShiftGetCurrentPosition()
          */
         public void onTimeShiftResume() {
         }
@@ -888,11 +958,12 @@
          * not in the range.
          *
          * @param timeMs The time position to seek to, in milliseconds since the epoch.
-         * @see #onTimeShiftResume
-         * @see #onTimeShiftPause
-         * @see #onTimeShiftSetPlaybackParams
-         * @see #onTimeShiftGetStartPosition
-         * @see #onTimeShiftGetCurrentPosition
+         * @see #onTimeShiftPlay(Uri)
+         * @see #onTimeShiftResume()
+         * @see #onTimeShiftPause()
+         * @see #onTimeShiftSetPlaybackParams(PlaybackParams)
+         * @see #onTimeShiftGetStartPosition()
+         * @see #onTimeShiftGetCurrentPosition()
          */
         public void onTimeShiftSeekTo(long timeMs) {
         }
@@ -905,11 +976,12 @@
          * parameters previously set.
          *
          * @param params The playback params.
-         * @see #onTimeShiftResume
-         * @see #onTimeShiftPause
-         * @see #onTimeShiftSeekTo
-         * @see #onTimeShiftGetStartPosition
-         * @see #onTimeShiftGetCurrentPosition
+         * @see #onTimeShiftPlay(Uri)
+         * @see #onTimeShiftResume()
+         * @see #onTimeShiftPause()
+         * @see #onTimeShiftSeekTo(long)
+         * @see #onTimeShiftGetStartPosition()
+         * @see #onTimeShiftGetCurrentPosition()
          */
         public void onTimeShiftSetPlaybackParams(PlaybackParams params) {
         }
@@ -925,11 +997,12 @@
          * seek to, thus failure to notifying its change immediately might result in bad experience
          * where the application allows the user to seek to an invalid time position.
          *
-         * @see #onTimeShiftResume
-         * @see #onTimeShiftPause
-         * @see #onTimeShiftSeekTo
-         * @see #onTimeShiftSetPlaybackParams
-         * @see #onTimeShiftGetCurrentPosition
+         * @see #onTimeShiftPlay(Uri)
+         * @see #onTimeShiftResume()
+         * @see #onTimeShiftPause()
+         * @see #onTimeShiftSeekTo(long)
+         * @see #onTimeShiftSetPlaybackParams(PlaybackParams)
+         * @see #onTimeShiftGetCurrentPosition()
          */
         public long onTimeShiftGetStartPosition() {
             return TvInputManager.TIME_SHIFT_INVALID_TIME;
@@ -944,11 +1017,12 @@
          * playback position reported by {@link #onTimeShiftGetStartPosition}. Failure to notifying
          * the correct current position might lead to bad user experience.
          *
-         * @see #onTimeShiftResume
-         * @see #onTimeShiftPause
-         * @see #onTimeShiftSeekTo
-         * @see #onTimeShiftSetPlaybackParams
-         * @see #onTimeShiftGetStartPosition
+         * @see #onTimeShiftPlay(Uri)
+         * @see #onTimeShiftResume()
+         * @see #onTimeShiftPause()
+         * @see #onTimeShiftSeekTo(long)
+         * @see #onTimeShiftSetPlaybackParams(PlaybackParams)
+         * @see #onTimeShiftGetStartPosition()
          */
         public long onTimeShiftGetCurrentPosition() {
             return TvInputManager.TIME_SHIFT_INVALID_TIME;
@@ -1263,6 +1337,14 @@
         }
 
         /**
+         * Calls {@link #onTimeShiftPlay(Uri)}.
+         */
+        void timeShiftPlay(Uri recordedProgramUri) {
+            mCurrentPositionMs = 0;
+            onTimeShiftPlay(recordedProgramUri);
+        }
+
+        /**
          * Calls {@link #onTimeShiftPause}.
          */
         void timeShiftPause() {
@@ -1385,7 +1467,7 @@
             }
         }
 
-        private void executeOrPostRunnable(Runnable action) {
+        private void executeOrPostRunnableOnMainThread(Runnable action) {
             synchronized(mLock) {
                 if (mSessionCallback == null) {
                     // The session is not initialized yet.
@@ -1449,6 +1531,267 @@
     }
 
     /**
+     * Base class for derived classes to implement to provide a TV input recording session.
+     */
+    public abstract static class RecordingSession {
+        final Handler mHandler;
+
+        private final Object mLock = new Object();
+        // @GuardedBy("mLock")
+        private ITvInputSessionCallback mSessionCallback;
+        // @GuardedBy("mLock")
+        private final List<Runnable> mPendingActions = new ArrayList<>();
+
+        /**
+         * Creates a new Recording Session for TV program recording.
+         *
+         * @param context The context of the application
+         */
+        public RecordingSession(Context context) {
+            mHandler = new Handler(context.getMainLooper());
+        }
+
+        /**
+         * Informs the application that recording session has been connected.
+         */
+        public void notifyConnected() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
+                @Override
+                public void run() {
+                    try {
+                        if (DEBUG) Log.d(TAG, "notifyConnected");
+                        if (mSessionCallback != null) {
+                            mSessionCallback.onConnected();
+                        }
+                    } catch (RemoteException e) {
+                        Log.w(TAG, "error in notifyConnected", e);
+                    }
+                }
+            });
+        }
+
+        /**
+         * Informs the application that recording has started.
+         */
+        public void notifyRecordingStarted() {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
+                @Override
+                public void run() {
+                    try {
+                        if (DEBUG) Log.d(TAG, "notifyRecordingStarted");
+                        if (mSessionCallback != null) {
+                            mSessionCallback.onRecordingStarted();
+                        }
+                    } catch (RemoteException e) {
+                        Log.w(TAG, "error in notifyRecordingStarted", e);
+                    }
+                }
+            });
+        }
+
+        /**
+         * Informs the application that recording has stopped successfully. Each TV input service
+         * should create a new data entry in the recorded programs table upon completion of the
+         * recording and send its URI.
+         *
+         * @param recordedProgramUri The URI of the new recorded program.
+         */
+        public void notifyRecordingStopped(final Uri recordedProgramUri) {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
+                @Override
+                public void run() {
+                    try {
+                        if (DEBUG) Log.d(TAG, "notifyRecordingStopped");
+                        if (mSessionCallback != null) {
+                            mSessionCallback.onRecordingStopped(recordedProgramUri);
+                        }
+                    } catch (RemoteException e) {
+                        Log.w(TAG, "error in notifyRecordingStopped", e);
+                    }
+                }
+            });
+        }
+
+        /**
+         * Sends an error to the application at any moment.
+         *
+         * @param error The error code. Should be one of the followings.
+         * <ul>
+         * <li>{@link TvInputManager#RECORDING_ERROR_UNKNOWN}
+         * <li>{@link TvInputManager#RECORDING_ERROR_CONNECTION_FAILED}
+         * <li>{@link TvInputManager#RECORDING_ERROR_INSUFFICIENT_SPACE}
+         * <li>{@link TvInputManager#RECORDING_ERROR_RESOURCE_BUSY}
+         * </ul>
+         */
+        public void notifyError(@TvInputManager.RecordingError final int error) {
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
+                @Override
+                public void run() {
+                    try {
+                        if (DEBUG) Log.d(TAG, "notifyError");
+                        if (mSessionCallback != null) {
+                            mSessionCallback.onError(error);
+                        }
+                    } catch (RemoteException e) {
+                        Log.w(TAG, "error in notifyError", e);
+                    }
+                }
+            });
+        }
+
+        /**
+         * Dispatches an event to the application using this recording session.
+         *
+         * @param eventType The type of the event.
+         * @param eventArgs Optional arguments of the event.
+         * @hide
+         */
+        @SystemApi
+        public void notifySessionEvent(@NonNull final String eventType, final Bundle eventArgs) {
+            Preconditions.checkNotNull(eventType);
+            executeOrPostRunnableOnMainThread(new Runnable() {
+                @MainThread
+                @Override
+                public void run() {
+                    try {
+                        if (DEBUG) Log.d(TAG, "notifySessionEvent(" + eventType + ")");
+                        if (mSessionCallback != null) {
+                            mSessionCallback.onSessionEvent(eventType, eventArgs);
+                        }
+                    } catch (RemoteException e) {
+                        Log.w(TAG, "error in sending event (event=" + eventType + ")", e);
+                    }
+                }
+            });
+        }
+
+        /**
+         * Called when the recording session is connected.
+         *
+         * @param channelUri The URI of the channel.
+         */
+        public abstract void onConnect(Uri channelUri);
+
+        /**
+         * Called when the recording session is connected.
+         *
+         * @param channelUri The URI of the channel.
+         * @param params Extra parameters.
+         * @hide
+         */
+        @SystemApi
+        public void onConnect(Uri channelUri, Bundle params) {
+            onConnect(channelUri);
+        }
+
+        /**
+         * Called when the application requests to disconnect the current recording session.
+         */
+        public abstract void onDisconnect();
+
+        /**
+         * Called when the application requests to start recording. Recording must start
+         * immediately.
+         *
+         * <p>The session must call either {@link #notifyRecordingStarted()} or
+         * {@link #notifyError(int)}}.
+         */
+        public abstract void onStartRecording();
+
+        /**
+         * Called when the application requests to stop recording. Recording must stop immediately.
+         *
+         * <p>The session must call either {@link #notifyRecordingStopped(Uri)} or
+         * {@link #notifyError(int)}}.
+         */
+        public abstract void onStopRecording();
+
+        /**
+         * Processes a private command sent from the application to the TV input. This can be used
+         * to provide domain-specific features that are only known between certain TV inputs and
+         * their clients.
+         *
+         * @param action Name of the command to be performed. This <em>must</em> be a scoped name,
+         *            i.e. prefixed with a package name you own, so that different developers will
+         *            not create conflicting commands.
+         * @param data Any data to include with the command.
+         * @hide
+         */
+        @SystemApi
+        public void onAppPrivateCommand(@NonNull String action, Bundle data) {
+        }
+
+        /**
+         * Calls {@link #onConnect(Uri, Bundle)}.
+         *
+         */
+        void connect(Uri channelUri, Bundle params) {
+            onConnect(channelUri, params);
+        }
+
+        /**
+         * Calls {@link #onDisconnect()}.
+         *
+         */
+        void disconnect() {
+            onDisconnect();
+        }
+
+        /**
+         * Calls {@link #onStartRecording()}.
+         *
+         */
+        void startRecording() {
+            onStartRecording();
+        }
+
+        /**
+         * Calls {@link #onStopRecording()}.
+         *
+         */
+        void stopRecording() {
+            onStopRecording();
+        }
+
+        /**
+         * Calls {@link #onAppPrivateCommand(String, Bundle)}.
+         */
+        void appPrivateCommand(String action, Bundle data) {
+            onAppPrivateCommand(action, data);
+        }
+
+        private void initialize(ITvInputSessionCallback callback) {
+            synchronized(mLock) {
+                mSessionCallback = callback;
+                for (Runnable runnable : mPendingActions) {
+                    runnable.run();
+                }
+                mPendingActions.clear();
+            }
+        }
+
+        private void executeOrPostRunnableOnMainThread(Runnable action) {
+            synchronized(mLock) {
+                if (mSessionCallback == null) {
+                    // The session is not initialized yet.
+                    mPendingActions.add(action);
+                } else {
+                    if (mHandler.getLooper().isCurrentThread()) {
+                        action.run();
+                    } else {
+                        // Posts the runnable if this is not called from the main thread
+                        mHandler.post(action);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
      * Base class for a TV input session which represents an external device connected to a
      * hardware TV input.
      *
@@ -1588,10 +1931,12 @@
     private final class ServiceHandler extends Handler {
         private static final int DO_CREATE_SESSION = 1;
         private static final int DO_NOTIFY_SESSION_CREATED = 2;
-        private static final int DO_ADD_HARDWARE_TV_INPUT = 3;
-        private static final int DO_REMOVE_HARDWARE_TV_INPUT = 4;
-        private static final int DO_ADD_HDMI_TV_INPUT = 5;
-        private static final int DO_REMOVE_HDMI_TV_INPUT = 6;
+        private static final int DO_CREATE_RECORDING_SESSION = 3;
+        private static final int DO_ADD_HARDWARE_TV_INPUT = 4;
+        private static final int DO_REMOVE_HARDWARE_TV_INPUT = 5;
+        private static final int DO_ADD_HDMI_TV_INPUT = 6;
+        private static final int DO_REMOVE_HDMI_TV_INPUT = 7;
+        private static final int DO_SET_TV_INPUT_INFO = 8;
 
         private void broadcastAddHardwareTvInput(int deviceId, TvInputInfo inputInfo) {
             int n = mCallbacks.beginBroadcast();
@@ -1629,6 +1974,18 @@
             mCallbacks.finishBroadcast();
         }
 
+        private void broadcastSetTvInputInfo(String inputId, TvInputInfo inputInfo) {
+            int n = mCallbacks.beginBroadcast();
+            for (int i = 0; i < n; ++i) {
+                try {
+                    mCallbacks.getBroadcastItem(i).setTvInputInfo(inputId, inputInfo);
+                } catch (RemoteException e) {
+                    Log.e(TAG, "error in broadcastSetTvInputInfo", e);
+                }
+            }
+            mCallbacks.finishBroadcast();
+        }
+
         @Override
         public final void handleMessage(Message msg) {
             switch (msg.what) {
@@ -1704,6 +2061,31 @@
                     args.recycle();
                     return;
                 }
+                case DO_CREATE_RECORDING_SESSION: {
+                    SomeArgs args = (SomeArgs) msg.obj;
+                    ITvInputSessionCallback cb = (ITvInputSessionCallback) args.arg1;
+                    String inputId = (String) args.arg2;
+                    args.recycle();
+                    RecordingSession recordingSessionImpl = onCreateRecordingSession(inputId);
+                    if (recordingSessionImpl == null) {
+                        try {
+                            // Failed to create a recording session.
+                            cb.onSessionCreated(null, null);
+                        } catch (RemoteException e) {
+                            Log.e(TAG, "error in onSessionCreated", e);
+                        }
+                        return;
+                    }
+                    ITvInputSession stub = new ITvInputSessionWrapper(TvInputService.this,
+                            recordingSessionImpl);
+                    try {
+                        cb.onSessionCreated(stub, null);
+                    } catch (RemoteException e) {
+                        Log.e(TAG, "error in onSessionCreated", e);
+                    }
+                    recordingSessionImpl.initialize(cb);
+                    return;
+                }
                 case DO_ADD_HARDWARE_TV_INPUT: {
                     TvInputHardwareInfo hardwareInfo = (TvInputHardwareInfo) msg.obj;
                     TvInputInfo inputInfo = onHardwareAdded(hardwareInfo);
@@ -1736,6 +2118,16 @@
                     }
                     return;
                 }
+                case DO_SET_TV_INPUT_INFO: {
+                    SomeArgs args = (SomeArgs) msg.obj;
+                    String inputId = (String) args.arg1;
+                    TvInputInfo inputInfo = (TvInputInfo) args.arg2;
+                    if (inputInfo != null) {
+                        broadcastSetTvInputInfo(inputId, inputInfo);
+                    }
+                    args.recycle();
+                    return;
+                }
                 default: {
                     Log.w(TAG, "Unhandled message code: " + msg.what);
                     return;
diff --git a/media/java/android/media/tv/TvRecordingClient.java b/media/java/android/media/tv/TvRecordingClient.java
new file mode 100644
index 0000000..865e000
--- /dev/null
+++ b/media/java/android/media/tv/TvRecordingClient.java
@@ -0,0 +1,352 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.media.tv;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.content.Context;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.text.TextUtils;
+import android.util.Log;
+import android.util.Pair;
+
+import java.util.ArrayDeque;
+import java.util.Queue;
+
+/**
+ * The public interface object used to interact with a specific TV input service for TV program
+ * recording.
+ */
+public class TvRecordingClient {
+    private static final String TAG = "TvRecordingClient";
+    private static final boolean DEBUG = false;
+
+    private final RecordingCallback mCallback;
+    private final Handler mHandler;
+
+    private final TvInputManager mTvInputManager;
+    private TvInputManager.Session mSession;
+    private MySessionCallback mSessionCallback;
+
+    private final Queue<Pair<String, Bundle>> mPendingAppPrivateCommands = new ArrayDeque<>();
+
+    /**
+     * Creates a new TvRecordingClient object.
+     *
+     * @param context The application context to create the TvRecordingClient with.
+     * @param tag A short name for debugging purposes.
+     * @param callback The callback to receive recording status changes.
+     * @param handler The handler to invoke the callback on.
+     */
+    public TvRecordingClient(Context context, String tag, @NonNull RecordingCallback callback,
+            Handler handler) {
+        mCallback = callback;
+        mHandler = handler == null ? new Handler(Looper.getMainLooper()) : handler;
+        mTvInputManager = (TvInputManager) context.getSystemService(Context.TV_INPUT_SERVICE);
+    }
+
+    /**
+     * Connects to a given input for TV program recording. This will create a new recording session
+     * from the TV input and establishes the connection between the application and the session.
+     *
+     * <p>The recording session will respond by calling
+     * {@link RecordingCallback#onConnected()} or {@link RecordingCallback#onError(int)}.
+     *
+     * @param inputId The ID of the TV input for the given channel.
+     * @param channelUri The URI of a channel.
+     */
+    public void connect(String inputId, Uri channelUri) {
+        connect(inputId, channelUri, null);
+    }
+
+    /**
+     * Connects to a given input for TV program recording. This will create a new recording session
+     * from the TV input and establishes the connection between the application and the session.
+     *
+     * <p>The recording session will respond by calling
+     * {@link RecordingCallback#onConnected()} or {@link RecordingCallback#onError(int)}.
+     *
+     * @param inputId The ID of the TV input for the given channel.
+     * @param channelUri The URI of a channel.
+     * @param params Extra parameters.
+     * @hide
+     */
+    @SystemApi
+    public void connect(String inputId, Uri channelUri, Bundle params) {
+        if (DEBUG) Log.d(TAG, "connect(" + channelUri + ")");
+        if (TextUtils.isEmpty(inputId)) {
+            throw new IllegalArgumentException("inputId cannot be null or an empty string");
+        }
+        if (mSessionCallback != null && TextUtils.equals(mSessionCallback.mInputId, inputId)) {
+            if (mSession != null) {
+                mSession.connect(channelUri, params);
+            } else {
+                mSessionCallback.mChannelUri = channelUri;
+                mSessionCallback.mConnectionParams = params;
+            }
+        } else {
+            resetInternal();
+            mSessionCallback = new MySessionCallback(inputId, channelUri, params);
+            if (mTvInputManager != null) {
+                mTvInputManager.createRecordingSession(inputId, mSessionCallback, mHandler);
+            }
+        }
+    }
+
+    /**
+     * Disconnects the established connection between the application and the recording session.
+     *
+     * <p>The recording session will respond by calling
+     * {@link RecordingCallback#onDisconnected()} or {@link RecordingCallback#onError(int)}.
+     */
+    public void disconnect() {
+        if (DEBUG) Log.d(TAG, "disconnect()");
+        resetInternal();
+    }
+
+    private void resetInternal() {
+        mSessionCallback = null;
+        mPendingAppPrivateCommands.clear();
+        if (mSession != null) {
+            mSession.release();
+            mSession = null;
+        }
+    }
+
+    /**
+     * Starts TV program recording for the current recording session. It is expected that recording
+     * starts immediately after calling this method.
+     *
+     * <p>The recording session will respond by calling
+     * {@link RecordingCallback#onRecordingStarted()} or {@link RecordingCallback#onError(int)}.
+     */
+    public void startRecording() {
+        if (mSession != null) {
+            mSession.startRecording();
+        }
+    }
+
+    /**
+     * Stops TV program recording for the current recording session. It is expected that recording
+     * stops immediately after calling this method.
+     *
+     * <p>The recording session will respond by calling
+     * {@link RecordingCallback#onRecordingStopped(Uri)} or {@link RecordingCallback#onError(int)}.
+     */
+    public void stopRecording() {
+        if (mSession != null) {
+            mSession.stopRecording();
+        }
+    }
+
+    /**
+     * Calls {@link TvInputService.RecordingSession#appPrivateCommand(String, Bundle)
+     * TvInputService.RecordingSession.appPrivateCommand()} on the current TvView.
+     *
+     * @param action The name of the private command to send. This <em>must</em> be a scoped name,
+     *            i.e. prefixed with a package name you own, so that different developers will not
+     *            create conflicting commands.
+     * @param data An optional bundle to send with the command.
+     * @hide
+     */
+    @SystemApi
+    public void sendAppPrivateCommand(@NonNull String action, Bundle data) {
+        if (TextUtils.isEmpty(action)) {
+            throw new IllegalArgumentException("action cannot be null or an empty string");
+        }
+        if (mSession != null) {
+            mSession.sendAppPrivateCommand(action, data);
+        } else {
+            Log.w(TAG, "sendAppPrivateCommand - session not yet created (action \"" + action
+                    + "\" pending)");
+            mPendingAppPrivateCommands.add(Pair.create(action, data));
+        }
+    }
+
+    /**
+     * Callback used to receive various status updates on the
+     * {@link android.media.tv.TvInputService.RecordingSession}
+     */
+    public class RecordingCallback {
+        /**
+         * This is called when a recording session initiated by a call to
+         * {@link #connect(String, Uri)} has been established.
+         */
+        public void onConnected() {
+        }
+
+        /**
+         * This is called when the established connection between the application and the recording
+         * session has been disconnected. Disconnection can be initiated either by an explicit
+         * request (i.e. a call to {@link #disconnect()} or by an error on the TV input service
+         * side.
+         */
+        public void onDisconnected() {
+        }
+
+        /**
+         * This is called when TV program recording on the current channel has started.
+         */
+        public void onRecordingStarted() {
+        }
+
+        /**
+         * This is called when TV program recording on the current channel has stopped. The passed
+         * URI contains information about the new recorded program.
+         *
+         * @param recordedProgramUri The URI for the new recorded program.
+         * @see android.media.tv.TvContract.RecordedPrograms
+         */
+        public void onRecordingStopped(Uri recordedProgramUri) {
+        }
+
+        /**
+         * This is called when an issue has occurred before or during recording. If the TV input
+         * service cannot proceed recording due to this error, a call to {@link #onDisconnected()}
+         * is expected to follow.
+         *
+         * @param error The error code. Should be one of the followings.
+         * <ul>
+         * <li>{@link TvInputManager#RECORDING_ERROR_UNKNOWN}
+         * <li>{@link TvInputManager#RECORDING_ERROR_CONNECTION_FAILED}
+         * <li>{@link TvInputManager#RECORDING_ERROR_INSUFFICIENT_SPACE}
+         * <li>{@link TvInputManager#RECORDING_ERROR_RESOURCE_BUSY}
+         * </ul>
+         */
+        public void onError(@TvInputManager.RecordingError int error) {
+        }
+
+        /**
+         * This is invoked when a custom event from the bound TV input is sent to this client.
+         *
+         * @param inputId The ID of the TV input bound to this client.
+         * @param eventType The type of the event.
+         * @param eventArgs Optional arguments of the event.
+         * @hide
+         */
+        @SystemApi
+        public void onEvent(String inputId, String eventType, Bundle eventArgs) {
+        }
+    }
+
+    private class MySessionCallback extends TvInputManager.SessionCallback {
+        final String mInputId;
+        Uri mChannelUri;
+        Bundle mConnectionParams;
+
+        MySessionCallback(String inputId, Uri channelUri, Bundle connectionParams) {
+            mInputId = inputId;
+            mChannelUri = channelUri;
+            mConnectionParams = connectionParams;
+        }
+
+        @Override
+        public void onSessionCreated(TvInputManager.Session session) {
+            if (DEBUG) {
+                Log.d(TAG, "onSessionCreated()");
+            }
+            if (this != mSessionCallback) {
+                Log.w(TAG, "onSessionCreated - session already created");
+                // This callback is obsolete.
+                if (session != null) {
+                    session.release();
+                }
+                return;
+            }
+            mSession = session;
+            if (session != null) {
+                // Sends the pending app private commands.
+                for (Pair<String, Bundle> command : mPendingAppPrivateCommands) {
+                    mSession.sendAppPrivateCommand(command.first, command.second);
+                }
+                mPendingAppPrivateCommands.clear();
+                mSession.connect(mChannelUri, mConnectionParams);
+            } else {
+                mSessionCallback = null;
+                mCallback.onError(TvInputManager.RECORDING_ERROR_CONNECTION_FAILED);
+            }
+        }
+
+        @Override
+        public void onSessionReleased(TvInputManager.Session session) {
+            if (DEBUG) {
+                Log.d(TAG, "onSessionReleased()");
+            }
+            if (this != mSessionCallback) {
+                Log.w(TAG, "onSessionReleased - session not created");
+                return;
+            }
+            mSessionCallback = null;
+            mSession = null;
+            mCallback.onDisconnected();
+        }
+
+        @Override
+        public void onRecordingStarted(TvInputManager.Session session) {
+            if (DEBUG) {
+                Log.d(TAG, "onRecordingStarted()");
+            }
+            if (this != mSessionCallback) {
+                Log.w(TAG, "onRecordingStarted - session not created");
+                return;
+            }
+            mCallback.onRecordingStarted();
+        }
+
+        @Override
+        public void onRecordingStopped(TvInputManager.Session session, Uri recordedProgramUri) {
+            if (DEBUG) {
+                Log.d(TAG, "onRecordingStopped()");
+            }
+            if (this != mSessionCallback) {
+                Log.w(TAG, "onRecordingStopped - session not created");
+                return;
+            }
+            mCallback.onRecordingStopped(recordedProgramUri);
+        }
+
+        @Override
+        public void onError(TvInputManager.Session session, int error) {
+            if (DEBUG) {
+                Log.d(TAG, "onError()");
+            }
+            if (this != mSessionCallback) {
+                Log.w(TAG, "onError - session not created");
+                return;
+            }
+            mCallback.onError(error);
+        }
+
+        @Override
+        public void onSessionEvent(TvInputManager.Session session, String eventType,
+                Bundle eventArgs) {
+            if (DEBUG) {
+                Log.d(TAG, "onSessionEvent(" + eventType + ")");
+            }
+            if (this != mSessionCallback) {
+                Log.w(TAG, "onSessionEvent - session not created");
+                return;
+            }
+            if (mCallback != null) {
+                mCallback.onEvent(mInputId, eventType, eventArgs);
+            }
+        }
+    }
+}
diff --git a/media/java/android/media/tv/TvView.java b/media/java/android/media/tv/TvView.java
index 003a274..0132d24 100644
--- a/media/java/android/media/tv/TvView.java
+++ b/media/java/android/media/tv/TvView.java
@@ -448,6 +448,37 @@
     }
 
     /**
+     * Plays a given recorded TV program.
+     *
+     * @param inputId The ID of the TV input that created the given recorded program.
+     * @param recordedProgramUri The URI of a recorded program.
+     */
+    public void timeShiftPlay(String inputId, Uri recordedProgramUri) {
+        if (DEBUG) Log.d(TAG, "timeShiftPlay(" + recordedProgramUri + ")");
+        if (TextUtils.isEmpty(inputId)) {
+            throw new IllegalArgumentException("inputId cannot be null or an empty string");
+        }
+        synchronized (sMainTvViewLock) {
+            if (sMainTvView.get() == null) {
+                sMainTvView = new WeakReference<>(this);
+            }
+        }
+        if (mSessionCallback != null && TextUtils.equals(mSessionCallback.mInputId, inputId)) {
+            if (mSession != null) {
+                mSession.timeShiftPlay(recordedProgramUri);
+            } else {
+                mSessionCallback.mRecordedProgramUri = recordedProgramUri;
+            }
+        } else {
+            resetInternal();
+            mSessionCallback = new MySessionCallback(inputId, recordedProgramUri);
+            if (mTvInputManager != null) {
+                mTvInputManager.createSession(inputId, mSessionCallback, mHandler);
+            }
+        }
+    }
+
+    /**
      * Pauses playback. No-op if it is already paused. Call {@link #timeShiftResume} to resume.
      */
     public void timeShiftPause() {
@@ -994,6 +1025,7 @@
         final String mInputId;
         Uri mChannelUri;
         Bundle mTuneParams;
+        Uri mRecordedProgramUri;
 
         MySessionCallback(String inputId, Uri channelUri, Bundle tuneParams) {
             mInputId = inputId;
@@ -1001,6 +1033,11 @@
             mTuneParams = tuneParams;
         }
 
+        MySessionCallback(String inputId, Uri recordedProgramUri) {
+            mInputId = inputId;
+            mRecordedProgramUri = recordedProgramUri;
+        }
+
         @Override
         public void onSessionCreated(Session session) {
             if (DEBUG) {
@@ -1043,7 +1080,11 @@
                 if (mCaptionEnabled != null) {
                     mSession.setCaptionEnabled(mCaptionEnabled);
                 }
-                mSession.tune(mChannelUri, mTuneParams);
+                if (mChannelUri != null) {
+                    mSession.tune(mChannelUri, mTuneParams);
+                } else {
+                    mSession.timeShiftPlay(mRecordedProgramUri);
+                }
                 ensurePositionTracking();
             } else {
                 mSessionCallback = null;
diff --git a/packages/SettingsLib/res/values/attrs.xml b/packages/SettingsLib/res/values/attrs.xml
index 46267a2..15b2a97 100644
--- a/packages/SettingsLib/res/values/attrs.xml
+++ b/packages/SettingsLib/res/values/attrs.xml
@@ -18,4 +18,9 @@
     <declare-styleable name="RestrictedPreference">
         <attr name="userRestriction" format="string"/>
     </declare-styleable>
-</resources>
\ No newline at end of file
+    <declare-styleable name="WifiEncryptionState">
+        <attr name="state_encrypted" format="boolean" />
+    </declare-styleable>
+    <attr name="wifi_signal" format="reference" />
+
+</resources>
diff --git a/packages/SettingsLib/res/values/dimens.xml b/packages/SettingsLib/res/values/dimens.xml
index 9a1d6a4..811751c 100644
--- a/packages/SettingsLib/res/values/dimens.xml
+++ b/packages/SettingsLib/res/values/dimens.xml
@@ -35,4 +35,7 @@
     <!-- Lock icon for preferences locked by admin -->
     <dimen name="restricted_lock_icon_size">16dp</dimen>
     <dimen name="restricted_lock_icon_padding">4dp</dimen>
+
+    <dimen name="wifi_preference_badge_padding">8dip</dimen>
+
 </resources>
diff --git a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPointPreference.java b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPointPreference.java
new file mode 100644
index 0000000..284827b
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPointPreference.java
@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.settingslib.wifi;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.StateListDrawable;
+import android.net.wifi.WifiConfiguration;
+import android.os.Looper;
+import android.os.UserHandle;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.util.SparseArray;
+import android.widget.TextView;
+
+import com.android.settingslib.R;
+
+public class AccessPointPreference extends Preference {
+
+    private static final int[] STATE_SECURED = {
+            R.attr.state_encrypted
+    };
+    private static final int[] STATE_NONE = {};
+
+    private static int[] wifi_signal_attributes = { R.attr.wifi_signal };
+
+    private final StateListDrawable mWifiSld;
+    private final int mBadgePadding;
+    private final UserBadgeCache mBadgeCache;
+
+    private TextView mTitleView;
+    private boolean mForSavedNetworks = false;
+    private AccessPoint mAccessPoint;
+    private Drawable mBadge;
+    private int mLevel;
+    private CharSequence mContentDescription;
+
+    static final int[] WIFI_CONNECTION_STRENGTH = {
+            R.string.accessibility_wifi_one_bar,
+            R.string.accessibility_wifi_two_bars,
+            R.string.accessibility_wifi_three_bars,
+            R.string.accessibility_wifi_signal_full
+    };
+
+    // Used for dummy pref.
+    public AccessPointPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mWifiSld = null;
+        mBadgePadding = 0;
+        mBadgeCache = null;
+    }
+
+    public AccessPointPreference(AccessPoint accessPoint, Context context, UserBadgeCache cache,
+            boolean forSavedNetworks) {
+        super(context);
+        mBadgeCache = cache;
+        mAccessPoint = accessPoint;
+        mForSavedNetworks = forSavedNetworks;
+        mAccessPoint.setTag(this);
+        mLevel = -1;
+
+        mWifiSld = (StateListDrawable) context.getTheme()
+                .obtainStyledAttributes(wifi_signal_attributes).getDrawable(0);
+
+        // Distance from the end of the title at which this AP's user badge should sit.
+        mBadgePadding = context.getResources()
+                .getDimensionPixelSize(R.dimen.wifi_preference_badge_padding);
+        refresh();
+    }
+
+    public AccessPoint getAccessPoint() {
+        return mAccessPoint;
+    }
+
+    @Override
+    public void onBindViewHolder(final PreferenceViewHolder view) {
+        super.onBindViewHolder(view);
+        if (mAccessPoint == null) {
+            // Used for dummy pref.
+            return;
+        }
+        Drawable drawable = getIcon();
+        if (drawable != null) {
+            drawable.setLevel(mLevel);
+        }
+
+        mTitleView = (TextView) view.findViewById(com.android.internal.R.id.title);
+        if (mTitleView != null) {
+            // Attach to the end of the title view
+            mTitleView.setCompoundDrawablesRelativeWithIntrinsicBounds(null, null, mBadge, null);
+            mTitleView.setCompoundDrawablePadding(mBadgePadding);
+        }
+        view.itemView.setContentDescription(mContentDescription);
+    }
+
+    protected void updateIcon(int level, Context context) {
+        if (level == -1) {
+            setIcon(null);
+        } else {
+            if (getIcon() == null) {
+                // To avoid a drawing race condition, we first set the state (SECURE/NONE) and then
+                // set the icon (drawable) to that state's drawable.
+                // If sld is null then we are indexing and therefore do not have access to
+                // (nor need to display) the drawable.
+                if (mWifiSld != null) {
+                    mWifiSld.setState((mAccessPoint.getSecurity() != AccessPoint.SECURITY_NONE)
+                            ? STATE_SECURED
+                            : STATE_NONE);
+                    Drawable drawable = mWifiSld.getCurrent();
+                    if (!mForSavedNetworks) {
+                        setIcon(drawable);
+                    } else {
+                        setIcon(null);
+                    }
+                }
+            }
+        }
+    }
+
+    protected void updateBadge(Context context) {
+        WifiConfiguration config = mAccessPoint.getConfig();
+        if (config != null) {
+            // Fetch badge (may be null)
+            // Get the badge using a cache since the PM will ask the UserManager for the list
+            // of profiles every time otherwise.
+            mBadge = mBadgeCache.getUserBadge(config.creatorUid);
+        }
+    }
+
+    /**
+     * Updates the title and summary; may indirectly call notifyChanged().
+     */
+    public void refresh() {
+        if (mForSavedNetworks) {
+            setTitle(mAccessPoint.getConfigName());
+        } else {
+            setTitle(mAccessPoint.getSsid());
+        }
+
+        final Context context = getContext();
+        int level = mAccessPoint.getLevel();
+        if (level != mLevel) {
+            mLevel = level;
+            updateIcon(mLevel, context);
+            notifyChanged();
+        }
+        updateBadge(context);
+
+        setSummary(mForSavedNetworks ? mAccessPoint.getSavedNetworkSummary()
+                : mAccessPoint.getSettingsSummary());
+
+        mContentDescription = getTitle();
+        if (getSummary() != null) {
+            mContentDescription = TextUtils.concat(mContentDescription, ",", getSummary());
+        }
+        if (level >= 0 && level < WIFI_CONNECTION_STRENGTH.length) {
+            mContentDescription = TextUtils.concat(mContentDescription, ",",
+                    getContext().getString(WIFI_CONNECTION_STRENGTH[level]));
+        }
+    }
+
+    @Override
+    protected void notifyChanged() {
+        if (Looper.getMainLooper() != Looper.myLooper()) {
+            // Let our BG thread callbacks call setTitle/setSummary.
+            postNotifyChanged();
+        } else {
+            super.notifyChanged();
+        }
+    }
+
+    public void onLevelChanged() {
+        postNotifyChanged();
+    }
+
+    private void postNotifyChanged() {
+        if (mTitleView != null) {
+            mTitleView.post(mNotifyChanged);
+        } // Otherwise we haven't been bound yet, and don't need to update.
+    }
+
+    private final Runnable mNotifyChanged = new Runnable() {
+        @Override
+        public void run() {
+            notifyChanged();
+        }
+    };
+
+    public static class UserBadgeCache {
+        private final SparseArray<Drawable> mBadges = new SparseArray<>();
+        private final PackageManager mPm;
+
+        public UserBadgeCache(PackageManager pm) {
+            mPm = pm;
+        }
+
+        private Drawable getUserBadge(int userId) {
+            int index = mBadges.indexOfKey(userId);
+            if (index < 0) {
+                Drawable badge = mPm.getUserBadgeForDensity(new UserHandle(userId), 0 /* dpi */);
+                mBadges.put(userId, badge);
+                return badge;
+            }
+            return mBadges.valueAt(index);
+        }
+    }
+}
diff --git a/packages/SystemUI/res/drawable/ic_data_saver.xml b/packages/SystemUI/res/drawable/ic_data_saver.xml
new file mode 100644
index 0000000..426238c
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_data_saver.xml
@@ -0,0 +1,28 @@
+<!--
+    Copyright (C) 2016 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24.0dp"
+        android:height="24.0dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="
+        M9.0,16.0l2.0,0.0L11.0,8.0L9.0,8.0l0.0,8.0z
+        m3.0,-14.0C6.48,2.0 2.0,6.48 2.0,12.0s4.48,10.0 10.0,10.0 10.0,-4.48 10.0,-10.0S17.52,2.0 12.0,2.0z
+        m0.0,18.0c-4.41,0.0 -8.0,-3.59 -8.0,-8.0s3.59,-8.0 8.0,-8.0 8.0,3.59 8.0,8.0 -3.59,8.0 -8.0,8.0z
+        m1.0,-4.0l2.0,0.0l0.0,-8.0l-2.0,0.0l0.0,8.0z"/>
+</vector>
diff --git a/packages/SystemUI/res/drawable/ic_data_saver_off.xml b/packages/SystemUI/res/drawable/ic_data_saver_off.xml
new file mode 100644
index 0000000..0713548
--- /dev/null
+++ b/packages/SystemUI/res/drawable/ic_data_saver_off.xml
@@ -0,0 +1,28 @@
+<!--
+    Copyright (C) 2016 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24.0dp"
+        android:height="24.0dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#4DFFFFFF"
+        android:pathData="
+        M9.0,16.0l2.0,0.0L11.0,8.0L9.0,8.0l0.0,8.0z
+        m3.0,-14.0C6.48,2.0 2.0,6.48 2.0,12.0s4.48,10.0 10.0,10.0 10.0,-4.48 10.0,-10.0S17.52,2.0 12.0,2.0z
+        m0.0,18.0c-4.41,0.0 -8.0,-3.59 -8.0,-8.0s3.59,-8.0 8.0,-8.0 8.0,3.59 8.0,8.0 -3.59,8.0 -8.0,8.0z
+        m1.0,-4.0l2.0,0.0l0.0,-8.0l-2.0,0.0l0.0,8.0z"/>
+</vector>
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 814e7ea..faf36ec 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -1333,4 +1333,13 @@
     <!-- Explanation of the status bar section of the tuner [CHAR LIMIT=NONE] -->
     <string name="tuner_status_bar_explanation">Enable or disable icons from being shown in the status bar.</string>
 
+    <!-- Label for quick settings tile for data saver [CHAR LIMIT=30] -->
+    <string name="data_saver">Data Saver</string>
+
+    <!-- Accessibility description for data saver being on [CHAR LIMIT=NONE] -->
+    <string name="accessibility_data_saver_on">Data Saver is on</string>
+
+    <!-- Accessibility description for data saver being off [CHAR LIMIT=NONE] -->
+    <string name="accessibility_data_saver_off">Data Saver is off</string>
+
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/TileAdapter.java b/packages/SystemUI/src/com/android/systemui/qs/customize/TileAdapter.java
index 6e22dde..543a2f3 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/TileAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/TileAdapter.java
@@ -73,7 +73,7 @@
             mCurrentTiles = tileSpecs;
             final TileGroup group = new TileGroup("com.android.settings", mContext);
             String possible = mContext.getString(R.string.quick_settings_tiles_default)
-                    + ",user,hotspot,inversion";
+                    + ",user,hotspot,inversion,saver";
             String[] possibleTiles = possible.split(",");
             for (int i = 0; i < possibleTiles.length; i++) {
                 final String spec = possibleTiles[i];
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/DataSaverTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/DataSaverTile.java
new file mode 100644
index 0000000..1aeb0fe
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/DataSaverTile.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.systemui.qs.tiles;
+
+import com.android.internal.logging.MetricsProto.MetricsEvent;
+import com.android.systemui.R;
+import com.android.systemui.qs.QSTile;
+import com.android.systemui.statusbar.policy.DataSaverController;
+
+public class DataSaverTile extends QSTile<QSTile.BooleanState> implements
+        DataSaverController.Listener{
+
+    private final DataSaverController mDataSaverController;
+
+    public DataSaverTile(Host host) {
+        super(host);
+        mDataSaverController = host.getNetworkController().getDataSaverController();
+    }
+
+    @Override
+    protected BooleanState newTileState() {
+        return new BooleanState();
+    }
+
+    @Override
+    public void setListening(boolean listening) {
+        if (listening) {
+            mDataSaverController.addListener(this);
+        } else {
+            mDataSaverController.remListener(this);
+        }
+    }
+
+    @Override
+    protected void handleClick() {
+        mState.value = !mDataSaverController.isDataSaverEnabled();
+        mDataSaverController.setDataSaverEnabled(mState.value);
+        refreshState(mState.value);
+    }
+
+    @Override
+    protected void handleUpdateState(BooleanState state, Object arg) {
+        state.value = arg instanceof Boolean ? (Boolean) arg
+                : mDataSaverController.isDataSaverEnabled();
+        state.label = mContext.getString(R.string.data_saver);
+        state.contentDescription = mContext.getString(state.value ?
+                R.string.accessibility_data_saver_on : R.string.accessibility_data_saver_off);
+        state.icon = ResourceIcon.get(state.value ? R.drawable.ic_data_saver
+                : R.drawable.ic_data_saver_off);
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.QS_DATA_SAVER;
+    }
+
+    @Override
+    public void onDataSaverChanged(boolean isDataSaving) {
+        refreshState(isDataSaving);
+    }
+}
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
index 881aa6a..5cd540b 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsDebugFlags.java
@@ -26,10 +26,6 @@
  */
 public class RecentsDebugFlags implements TunerService.Tunable {
 
-    private static final String KEY_FAST_TOGGLE = "overview_fast_toggle_via_button";
-    private static final String KEY_FAST_TOGGLE_INDICATOR = "overview_fast_toggle_indicator";
-    private static final String KEY_INITIAL_STATE_PAGING = "overview_initial_state_paging";
-
     public static class Static {
         // Enables debug drawing for the transition thumbnail
         public static final boolean EnableTransitionThumbnailDebugMode = false;
@@ -39,18 +35,23 @@
         public static final boolean DisableBackgroundCache = false;
         // Enables the task affiliations
         public static final boolean EnableAffiliatedTaskGroups = true;
-        // Enables the simulated task affiliations
-        public static final boolean EnableSimulatedTaskGroups = false;
-        // Defines the number of mock task affiliations per group
-        public static final int TaskAffiliationsGroupCount = 12;
+
         // Enables us to create mock recents tasks
-        public static final boolean EnableSystemServicesProxy = false;
+        public static final boolean EnableMockTasks = false;
         // Defines the number of mock recents packages to create
-        public static final int SystemServicesProxyMockPackageCount = 3;
+        public static final int MockTasksPackageCount = 3;
         // Defines the number of mock recents tasks to create
-        public static final int SystemServicesProxyMockTaskCount = 100;
+        public static final int MockTaskCount = 100;
+        // Enables the simulated task affiliations
+        public static final boolean EnableMockTaskGroups = false;
+        // Defines the number of mock task affiliations per group
+        public static final int MockTaskGroupsTaskCount = 12;
     }
 
+    private static final String KEY_FAST_TOGGLE = "overview_fast_toggle_via_button";
+    private static final String KEY_FAST_TOGGLE_INDICATOR = "overview_fast_toggle_indicator";
+    private static final String KEY_INITIAL_STATE_PAGING = "overview_initial_state_paging";
+
     private boolean mFastToggleRecents;
     private boolean mFastToggleIndicator;
     private boolean mInitialStatePaging;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
index f8cbf65..5f11bee 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
@@ -108,6 +108,10 @@
         public void onActivityPinned() {
         }
 
+        @Override
+        public void onPinnedActivityRestartAttempt() {
+        }
+
         /** Preloads the next task */
         public void run() {
             RecentsConfiguration config = Recents.getConfiguration();
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index 3f52ae8..87cfcff 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -151,7 +151,7 @@
         // Resolve the assist intent
         mAssistComponent = mAssistUtils.getAssistComponentForUser(UserHandle.myUserId());
 
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
             // Create a dummy icon
             mDummyIcon = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
             mDummyIcon.eraseColor(0xFF999999);
@@ -164,20 +164,20 @@
         if (mAm == null) return null;
 
         // If we are mocking, then create some recent tasks
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
             ArrayList<ActivityManager.RecentTaskInfo> tasks =
                     new ArrayList<ActivityManager.RecentTaskInfo>();
-            int count = Math.min(numLatestTasks, RecentsDebugFlags.Static.SystemServicesProxyMockTaskCount);
+            int count = Math.min(numLatestTasks, RecentsDebugFlags.Static.MockTaskCount);
             for (int i = 0; i < count; i++) {
                 // Create a dummy component name
-                int packageIndex = i % RecentsDebugFlags.Static.SystemServicesProxyMockPackageCount;
+                int packageIndex = i % RecentsDebugFlags.Static.MockTasksPackageCount;
                 ComponentName cn = new ComponentName("com.android.test" + packageIndex,
                         "com.android.test" + i + ".Activity");
                 String description = "" + i + " - " +
                         Long.toString(Math.abs(new Random().nextLong()), 36);
                 // Create the recent task info
                 ActivityManager.RecentTaskInfo rti = new ActivityManager.RecentTaskInfo();
-                rti.id = rti.persistentId = i;
+                rti.id = rti.persistentId = rti.affiliatedTaskId = i;
                 rti.baseIntent = new Intent();
                 rti.baseIntent.setComponent(cn);
                 rti.description = description;
@@ -418,7 +418,7 @@
         if (mAm == null) return null;
 
         // If we are mocking, then just return a dummy thumbnail
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
             Bitmap thumbnail = Bitmap.createBitmap(mDummyThumbnailWidth, mDummyThumbnailHeight,
                     Bitmap.Config.ARGB_8888);
             thumbnail.eraseColor(0xff333333);
@@ -484,7 +484,7 @@
     /** Moves a task to the front with the specified activity options. */
     public void moveTaskToFront(int taskId, ActivityOptions opts) {
         if (mAm == null) return;
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) return;
+        if (RecentsDebugFlags.Static.EnableMockTasks) return;
 
         if (opts != null) {
             mAm.moveTaskToFront(taskId, ActivityManager.MOVE_TASK_WITH_HOME,
@@ -497,7 +497,7 @@
     /** Removes the task */
     public void removeTask(final int taskId) {
         if (mAm == null) return;
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) return;
+        if (RecentsDebugFlags.Static.EnableMockTasks) return;
 
         // Remove the task.
         BackgroundThread.getHandler().post(new Runnable() {
@@ -528,7 +528,7 @@
      */
     public ActivityInfo getActivityInfo(ComponentName cn, int userId) {
         if (mIpm == null) return null;
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) return new ActivityInfo();
+        if (RecentsDebugFlags.Static.EnableMockTasks) return new ActivityInfo();
 
         try {
             return mIpm.getActivityInfo(cn, PackageManager.GET_META_DATA, userId);
@@ -545,7 +545,7 @@
      */
     public ActivityInfo getActivityInfo(ComponentName cn) {
         if (mPm == null) return null;
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) return new ActivityInfo();
+        if (RecentsDebugFlags.Static.EnableMockTasks) return new ActivityInfo();
 
         try {
             return mPm.getActivityInfo(cn, PackageManager.GET_META_DATA);
@@ -562,7 +562,7 @@
         if (mPm == null) return null;
 
         // If we are mocking, then return a mock label
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
             return "Recent Task: " + userId;
         }
 
@@ -576,7 +576,7 @@
         if (mPm == null) return null;
 
         // If we are mocking, then return a mock label
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
             return "Recent Task App: " + userId;
         }
 
@@ -588,6 +588,11 @@
      * description joins the app and activity labels.
      */
     public String getBadgedContentDescription(ActivityInfo info, int userId, Resources res) {
+        // If we are mocking, then return a mock label
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
+            return "Recent Task Content Description: " + userId;
+        }
+
         String activityLabel = info.loadLabel(mPm).toString();
         String applicationLabel = info.applicationInfo.loadLabel(mPm).toString();
         String badgedApplicationLabel = getBadgedLabel(applicationLabel, userId);
@@ -604,7 +609,7 @@
         if (mPm == null) return null;
 
         // If we are mocking, then return a mock label
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
             return new ColorDrawable(0xFF666666);
         }
 
@@ -620,7 +625,7 @@
         if (mPm == null) return null;
 
         // If we are mocking, then return a mock label
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
             return new ColorDrawable(0xFF666666);
         }
 
@@ -635,7 +640,7 @@
             int userId, Resources res) {
 
         // If we are mocking, then return a mock label
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
             return new ColorDrawable(0xFF666666);
         }
 
@@ -673,7 +678,7 @@
     /** Returns the package name of the home activity. */
     public String getHomeActivityPackageName() {
         if (mPm == null) return null;
-        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) return null;
+        if (RecentsDebugFlags.Static.EnableMockTasks) return null;
 
         ArrayList<ResolveInfo> homeActivities = new ArrayList<>();
         ComponentName defaultHomeActivity = mPm.getHomeActivities(homeActivities);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
index 9cdd703..d15828a 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
@@ -22,6 +22,7 @@
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
+import android.os.Debug;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.util.ArraySet;
@@ -31,6 +32,7 @@
 import com.android.systemui.R;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsConfiguration;
+import com.android.systemui.recents.RecentsDebugFlags;
 import com.android.systemui.recents.misc.SystemServicesProxy;
 
 import java.util.ArrayList;
@@ -130,6 +132,9 @@
                 R.string.accessibility_recents_item_will_be_dismissed);
         long lastStackActiveTime = Prefs.getLong(mContext,
                 Prefs.Key.OVERVIEW_LAST_STACK_TASK_ACTIVE_TIME, 0);
+        if (RecentsDebugFlags.Static.EnableMockTasks) {
+            lastStackActiveTime = 0;
+        }
         long newLastStackActiveTime = -1;
         int taskCount = mRawTasks.size();
         for (int i = 0; i < taskCount; i++) {
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java b/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
index de1daa8..66eeac6 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/TaskStack.java
@@ -776,7 +776,7 @@
      * Temporary: This method will simulate affiliation groups by
      */
     public void createAffiliatedGroupings(Context context) {
-        if (RecentsDebugFlags.Static.EnableSimulatedTaskGroups) {
+        if (RecentsDebugFlags.Static.EnableMockTaskGroups) {
             ArrayMap<Task.TaskKey, Task> taskMap = new ArrayMap<>();
             // Sort all tasks by increasing firstActiveTime of the task
             ArrayList<Task> tasks = mStackTaskList.getTasks();
@@ -792,7 +792,7 @@
             String prevPackage = "";
             int prevAffiliation = -1;
             Random r = new Random();
-            int groupCountDown = RecentsDebugFlags.Static.TaskAffiliationsGroupCount;
+            int groupCountDown = RecentsDebugFlags.Static.MockTaskGroupsTaskCount;
             for (int i = 0; i < taskCount; i++) {
                 Task t = tasks.get(i);
                 String packageName = t.key.getComponent().getPackageName();
@@ -807,7 +807,7 @@
                     addGroup(group);
                     prevAffiliation = affiliation;
                     prevPackage = packageName;
-                    groupCountDown = RecentsDebugFlags.Static.TaskAffiliationsGroupCount;
+                    groupCountDown = RecentsDebugFlags.Static.MockTaskGroupsTaskCount;
                 }
                 group.addTask(t);
                 taskMap.put(t.key, t);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeFrameLayout.java b/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeFrameLayout.java
new file mode 100644
index 0000000..9f2b00a
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeFrameLayout.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.recents.views;
+
+import android.content.Context;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+
+/**
+ * This is an optimized FrameLayout whose layout is completely directed by its parent, and as a
+ * result, does not propagate <code>requestLayout()</code> up the view hierarchy. Instead, it will
+ * relayout its children with the last known layout bounds when a layout is requested from a child
+ * view.
+ */
+public class FixedSizeFrameLayout extends FrameLayout {
+
+    private final Rect mLayoutBounds = new Rect();
+
+    public FixedSizeFrameLayout(Context context) {
+        super(context);
+    }
+
+    public FixedSizeFrameLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public FixedSizeFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public FixedSizeFrameLayout(Context context, AttributeSet attrs, int defStyleAttr,
+            int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    @Override
+    protected final void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        measureContents(MeasureSpec.getSize(widthMeasureSpec),
+                MeasureSpec.getSize(heightMeasureSpec));
+    }
+
+    @Override
+    protected final void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        mLayoutBounds.set(left, top, right, bottom);
+        layoutContents(mLayoutBounds, changed);
+    }
+
+    @Override
+    public final void requestLayout() {
+        // The base ViewGroup constructor attempts to call requestLayout() before this class's
+        // members are initialized so we should just propagate in that case
+        if (mLayoutBounds == null || mLayoutBounds.isEmpty()) {
+            super.requestLayout();
+        } else {
+            // If we are already laid out, then just reuse the same bounds to layout the children
+            // (but not itself)
+            // TODO: Investigate whether we should coalesce these to the next frame if needed
+            measureContents(getMeasuredWidth(), getMeasuredHeight());
+            layoutContents(mLayoutBounds, false);
+        }
+    }
+
+    /**
+     * Measures the contents of this fixed layout.
+     */
+    protected void measureContents(int width, int height) {
+        super.onMeasure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.AT_MOST),
+                MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST));
+    }
+
+    /**
+     * Lays out the contents of this fixed layout.
+     */
+    protected void layoutContents(Rect bounds, boolean changed) {
+        super.onLayout(changed, bounds.left, bounds.top, bounds.right, bounds.bottom);
+    }
+
+}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeImageView.java b/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeImageView.java
index 3f5d0a8..f5ab01f 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeImageView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeImageView.java
@@ -23,13 +23,13 @@
 import android.widget.ImageView;
 
 /**
- * This is an optimized ImageView that does not trigger a requestLayout() or invalidate() when
- * setting the image to Null.
+ * This is an optimized ImageView that does not trigger a <code>requestLayout()</code> or
+ * <code>invalidate()</code> when setting the image to <code>null</code>.
  */
 public class FixedSizeImageView extends ImageView {
 
-    boolean mAllowRelayout = true;
-    boolean mAllowInvalidate = true;
+    private boolean mAllowRelayout = true;
+    private boolean mAllowInvalidate = true;
 
     public FixedSizeImageView(Context context) {
         this(context, null);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
index fe9c68e..ccc8581 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -1375,11 +1375,6 @@
         // Report that this tasks's data is no longer being used
         Recents.getTaskLoader().unloadTaskData(task);
 
-        // Detach the view from the hierarchy
-        detachViewFromParent(tv);
-        // Update the task views list after removing the task view
-        updateTaskViewsList();
-
         // Reset the view properties and view state
         tv.resetViewProperties();
         tv.setFocusedState(false, false /* requestViewFocus */);
@@ -1387,19 +1382,15 @@
         if (mScreenPinningEnabled) {
             tv.hideActionButton(false /* fadeOut */, 0 /* duration */, false /* scaleDown */, null);
         }
+
+        // Detach the view from the hierarchy
+        detachViewFromParent(tv);
+        // Update the task views list after removing the task view
+        updateTaskViewsList();
     }
 
     @Override
     public void prepareViewToLeavePool(TaskView tv, Task task, boolean isNewView) {
-        // Rebind the task and request that this task's data be filled into the TaskView
-        tv.onTaskBound(task);
-
-        // Load the task data
-        Recents.getTaskLoader().loadTaskData(task);
-
-        // If the doze trigger has already fired, then update the state for this task view
-        tv.setNoUserInteractionState();
-
         // Find the index where this task should be placed in the stack
         int taskIndex = mStack.indexOfStackTask(task);
         int insertIndex = findTaskViewInsertIndex(task, taskIndex);
@@ -1413,6 +1404,15 @@
         // Update the task views list after adding the new task view
         updateTaskViewsList();
 
+        // Rebind the task and request that this task's data be filled into the TaskView
+        tv.onTaskBound(task);
+
+        // Load the task data
+        Recents.getTaskLoader().loadTaskData(task);
+
+        // If the doze trigger has already fired, then update the state for this task view
+        tv.setNoUserInteractionState();
+
         // Set the new state for this view, including the callbacks and view clipping
         tv.setCallbacks(this);
         tv.setTouchEnabled(true);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
index 32bebb3..5a4064a 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
@@ -17,7 +17,6 @@
 package com.android.systemui.recents.views;
 
 import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
@@ -40,7 +39,6 @@
 import android.view.animation.AccelerateInterpolator;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
-import android.widget.FrameLayout;
 import com.android.systemui.R;
 import com.android.systemui.recents.Recents;
 import com.android.systemui.recents.RecentsActivity;
@@ -62,8 +60,13 @@
 
 import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
 
-/* A task view */
-public class TaskView extends FrameLayout implements Task.TaskCallbacks,
+/**
+ * A {@link TaskView} represents a fixed view of a task. Because the TaskView's layout is directed
+ * solely by the {@link TaskStackView}, we make it a fixed size layout which allows relayouts down
+ * the view hierarchy, but not upwards from any of its children (the TaskView will relayout itself
+ * with the previous bounds if any child requests layout).
+ */
+public class TaskView extends FixedSizeFrameLayout implements Task.TaskCallbacks,
         TaskStackAnimationHelper.Callbacks, View.OnClickListener, View.OnLongClickListener {
 
     /** The TaskView callbacks */
@@ -219,33 +222,20 @@
         return super.onInterceptTouchEvent(ev);
     }
 
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        int width = MeasureSpec.getSize(widthMeasureSpec);
-        int height = MeasureSpec.getSize(heightMeasureSpec);
 
+    @Override
+    protected void measureContents(int width, int height) {
         int widthWithoutPadding = width - mPaddingLeft - mPaddingRight;
         int heightWithoutPadding = height - mPaddingTop - mPaddingBottom;
-        int taskBarHeight = getResources().getDimensionPixelSize(R.dimen.recents_task_bar_height);
 
         // Measure the content
         mContent.measure(MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY),
                 MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.EXACTLY));
 
-        // Measure the bar view, and action button
-        mHeaderView.measure(MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY),
-                MeasureSpec.makeMeasureSpec(taskBarHeight, MeasureSpec.EXACTLY));
-        mActionButtonView.measure(
-                MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.AT_MOST),
-                MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.AT_MOST));
-        // Measure the thumbnail to be square
-        mThumbnailView.measure(
-                MeasureSpec.makeMeasureSpec(widthWithoutPadding, MeasureSpec.EXACTLY),
-                MeasureSpec.makeMeasureSpec(heightWithoutPadding, MeasureSpec.EXACTLY));
+        // Optimization: Prevent overdraw of the thumbnail under the header view
         mThumbnailView.updateClipToTaskBar(mHeaderView);
 
         setMeasuredDimension(width, height);
-        invalidateOutline();
     }
 
     void updateViewPropertiesToTaskTransform(TaskViewTransform toTransform,
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
index 827ee40..cb108da 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
@@ -245,11 +245,7 @@
      * to match the frame changes.
      */
     public void onTaskViewSizeChanged(int width, int height) {
-        // Return early if the bounds have not changed
-        if (mTaskViewRect.width() == width && mTaskViewRect.height() == height) {
-            return;
-        }
-
+        // TODO: Optimize this path
         mTaskViewRect.set(0, 0, width, height);
         boolean updateMoveTaskButton = mMoveTaskButton.getVisibility() != View.GONE;
         boolean isFreeformTask = (mTask != null) && mTask.isFreeformTask();
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewThumbnail.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewThumbnail.java
index 39d0604..de96d9d 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewThumbnail.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewThumbnail.java
@@ -190,7 +190,6 @@
             if (!mInvisible) {
                 updateThumbnailPaintFilter();
             }
-            invalidate();
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
index a8e09f8..e20936b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBar.java
@@ -105,6 +105,10 @@
         }
 
         @Override
+        public void onPinnedActivityRestartAttempt() {
+        }
+
+        @Override
         public void onTaskStackChanged() {
             mHandler.removeCallbacks(this);
             mHandler.post(this);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java
index d0c14f1..ed6d940 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java
@@ -1108,6 +1108,10 @@
         @Override
         public void onActivityPinned() {
         }
+
+        @Override
+        public void onPinnedActivityRestartAttempt() {
+        }
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
index 7e27856..9c2159be 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
@@ -38,6 +38,7 @@
 import com.android.systemui.qs.tiles.CastTile;
 import com.android.systemui.qs.tiles.CellularTile;
 import com.android.systemui.qs.tiles.ColorInversionTile;
+import com.android.systemui.qs.tiles.DataSaverTile;
 import com.android.systemui.qs.tiles.DndTile;
 import com.android.systemui.qs.tiles.FlashlightTile;
 import com.android.systemui.qs.tiles.HotspotTile;
@@ -346,6 +347,7 @@
         else if (tileSpec.equals("hotspot")) return new HotspotTile(this);
         else if (tileSpec.equals("user")) return new UserTile(this);
         else if (tileSpec.equals("battery")) return new BatteryTile(this);
+        else if (tileSpec.equals("saver")) return new DataSaverTile(this);
         else if (tileSpec.equals(ColorMatrixTile.COLOR_MATRIX_SPEC))
             return new ColorMatrixTile(this);
         // Intent tiles.
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/DataSaverController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/DataSaverController.java
new file mode 100644
index 0000000..186e8b5
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/DataSaverController.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.systemui.statusbar.policy;
+
+import android.content.Context;
+import android.net.INetworkPolicyListener;
+import android.net.NetworkPolicyManager;
+import android.os.Handler;
+import android.os.RemoteException;
+
+import java.util.ArrayList;
+
+public class DataSaverController {
+
+    private final Handler mHandler = new Handler();
+    private final ArrayList<Listener> mListeners = new ArrayList<>();
+    private final NetworkPolicyManager mPolicyManager;
+
+    public DataSaverController(Context context) {
+        mPolicyManager = NetworkPolicyManager.from(context);
+    }
+
+    private void handleRestrictBackgroundChanged(boolean isDataSaving) {
+        final int N = mListeners.size();
+        for (int i = 0; i < N; i++) {
+            mListeners.get(i).onDataSaverChanged(isDataSaving);
+        }
+    }
+
+    public void addListener(Listener listener) {
+        mListeners.add(listener);
+        if (mListeners.size() == 1) {
+            mPolicyManager.registerListener(mPolicyListener);
+        }
+        listener.onDataSaverChanged(isDataSaverEnabled());
+    }
+
+    public void remListener(Listener listener) {
+        mListeners.remove(listener);
+        if (mListeners.size() == 0) {
+            mPolicyManager.unregisterListener(mPolicyListener);
+        }
+    }
+
+    public boolean isDataSaverEnabled() {
+        return mPolicyManager.getRestrictBackground();
+    }
+
+    public void setDataSaverEnabled(boolean enabled) {
+        mPolicyManager.setRestrictBackground(enabled);
+    }
+
+    private final INetworkPolicyListener mPolicyListener = new INetworkPolicyListener.Stub() {
+        @Override
+        public void onUidRulesChanged(int i, int i1) throws RemoteException {
+        }
+
+        @Override
+        public void onMeteredIfacesChanged(String[] strings) throws RemoteException {
+        }
+
+        @Override
+        public void onRestrictBackgroundChanged(final boolean isDataSaving) throws RemoteException {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    handleRestrictBackgroundChanged(isDataSaving);
+                }
+            });
+        }
+    };
+
+    public interface Listener {
+        void onDataSaverChanged(boolean isDataSaving);
+    }
+
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
index b2bcde3..755a5b3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkController.java
@@ -33,6 +33,7 @@
     void onUserSwitched(int newUserId);
     AccessPointController getAccessPointController();
     DataUsageController getMobileDataController();
+    DataSaverController getDataSaverController();
 
     public interface SignalCallback {
         void setWifiIndicators(boolean enabled, IconState statusIcon, IconState qsIcon,
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
index 3385c82..dbb0295 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NetworkControllerImpl.java
@@ -78,6 +78,7 @@
     private final SubscriptionManager mSubscriptionManager;
     private final boolean mHasMobileDataFeature;
     private final SubscriptionDefaults mSubDefaults;
+    private final DataSaverController mDataSaverController;
     private Config mConfig;
 
     // Subcontrollers.
@@ -156,6 +157,7 @@
         mConfig = config;
         mReceiverHandler = new Handler(bgLooper);
         mCallbackHandler = callbackHandler;
+        mDataSaverController = new DataSaverController(context);
 
         mSubscriptionManager = subManager;
         mSubDefaults = defaultsHandler;
@@ -189,6 +191,10 @@
         updateAirplaneMode(true /* force callback */);
     }
 
+    public DataSaverController getDataSaverController() {
+        return mDataSaverController;
+    }
+
     private void registerListeners() {
         for (MobileSignalController mobileSignalController : mMobileSignalControllers.values()) {
             mobileSignalController.registerListener();
diff --git a/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java b/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
index bed1e9e..b237400 100644
--- a/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
+++ b/packages/SystemUI/src/com/android/systemui/tv/pip/PipManager.java
@@ -29,7 +29,6 @@
 import android.graphics.Rect;
 import android.os.Handler;
 import android.os.RemoteException;
-import android.os.UserHandle;
 import android.util.Log;
 
 import java.util.ArrayList;
@@ -38,7 +37,6 @@
 import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
 import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
 
-import android.app.ActivityManager;
 import android.app.ActivityManager.RunningTaskInfo;
 
 /**
@@ -314,6 +312,10 @@
             // Post the message back to the UI thread.
             mHandler.post(mOnActivityPinnedRunnable);
         }
+
+        @Override
+        public void onPinnedActivityRestartAttempt() {
+        }
     }
 
     /**
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 88e55dd..697777c 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -339,5 +339,8 @@
 
     // Logged when the user calls an emergency contact.
     ACTION_CALL_EMERGENCY_CONTACT = 283;
+
+    // QS Tile for Data Saver.
+    QS_DATA_SAVER = 284;
   }
 }
diff --git a/rs/java/android/renderscript/Allocation.java b/rs/java/android/renderscript/Allocation.java
index a4876b9..a71ba636 100644
--- a/rs/java/android/renderscript/Allocation.java
+++ b/rs/java/android/renderscript/Allocation.java
@@ -16,14 +16,16 @@
 
 package android.renderscript;
 
+import java.nio.ByteBuffer;
 import java.util.HashMap;
+
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
-import android.view.Surface;
-import android.util.Log;
 import android.graphics.Canvas;
 import android.os.Trace;
+import android.util.Log;
+import android.view.Surface;
 
 /**
  * <p> This class provides the primary method through which data is passed to
@@ -78,6 +80,8 @@
     OnBufferAvailableListener mBufferNotifier;
 
     private Surface mGetSurfaceSurface = null;
+    private ByteBuffer mByteBuffer = null;
+    private long mByteBufferStride = -1;
 
     private Element.DataType validateObjectIsPrimitiveArray(Object d, boolean checkType) {
         final Class c = d.getClass();
@@ -2050,6 +2054,59 @@
     }
 
     /**
+     * @hide
+     * Gets or creates a ByteBuffer that contains the raw data of the current Allocation.
+     * If the Allocation is created with USAGE_IO_INPUT, the returned ByteBuffer
+     * would contain the up-to-date data as READ ONLY.
+     * For a 2D or 3D Allocation, the raw data maybe padded so that each row of
+     * the Allocation has certain alignment. The size of each row including padding,
+     * called stride, can be queried using the {@link #getStride()} method.
+     *
+     * Note: Operating on the ByteBuffer of a destroyed Allocation will triger errors.
+     *
+     * @return ByteBuffer The ByteBuffer associated with raw data pointer of the Allocation.
+     */
+    public ByteBuffer getByteBuffer() {
+        // Create a new ByteBuffer if it is not initialized or using IO_INPUT.
+        if (mType.hasFaces()) {
+            throw new RSInvalidStateException("Cubemap is not supported for getByteBuffer().");
+        }
+        if (mType.getYuv() == android.graphics.ImageFormat.NV21 ||
+            mType.getYuv() == android.graphics.ImageFormat.YV12 ||
+            mType.getYuv() == android.graphics.ImageFormat.YUV_420_888 ) {
+            throw new RSInvalidStateException("YUV format is not supported for getByteBuffer().");
+        }
+        if (mByteBuffer == null || (mUsage & USAGE_IO_INPUT) != 0) {
+            int xBytesSize = mType.getX() * mType.getElement().getBytesSize();
+            long[] stride = new long[1];
+            mByteBuffer = mRS.nAllocationGetByteBuffer(getID(mRS), stride, xBytesSize, mType.getY(), mType.getZ());
+            mByteBufferStride = stride[0];
+        }
+        if ((mUsage & USAGE_IO_INPUT) != 0) {
+            return mByteBuffer.asReadOnlyBuffer();
+        }
+        return mByteBuffer;
+    }
+
+    /**
+     * @hide
+     * Gets the stride of the Allocation.
+     * For a 2D or 3D Allocation, the raw data maybe padded so that each row of
+     * the Allocation has certain alignment. The size of each row including such
+     * padding is called stride.
+     *
+     * @return the stride. For 1D Allocation, the stride will be the number of
+     *         bytes of this Allocation. For 2D and 3D Allocations, the stride
+     *         will be the stride in X dimension measuring in bytes.
+     */
+    public long getStride() {
+        if (mByteBufferStride == -1) {
+            getByteBuffer();
+        }
+        return mByteBufferStride;
+    }
+
+    /**
      * Returns the handle to a raw buffer that is being managed by the screen
      * compositor. This operation is only valid for Allocations with {@link
      * #USAGE_IO_INPUT}.
diff --git a/rs/java/android/renderscript/RenderScript.java b/rs/java/android/renderscript/RenderScript.java
index 3668ddd..4788223 100644
--- a/rs/java/android/renderscript/RenderScript.java
+++ b/rs/java/android/renderscript/RenderScript.java
@@ -18,17 +18,18 @@
 
 import java.io.File;
 import java.lang.reflect.Method;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
 import android.content.Context;
 import android.content.res.AssetManager;
 import android.graphics.Bitmap;
 import android.graphics.SurfaceTexture;
-import android.util.Log;
-import android.view.Surface;
 import android.os.SystemProperties;
 import android.os.Trace;
-import java.util.ArrayList;
+import android.util.Log;
+import android.view.Surface;
 
 // TODO: Clean up the whitespace that separates methods in this class.
 
@@ -489,6 +490,13 @@
         validate();
         rsnAllocationSyncAll(mContext, alloc, src);
     }
+
+    native ByteBuffer rsnAllocationGetByteBuffer(long con, long alloc, long[] stride, int xBytesSize, int dimY, int dimZ);
+    synchronized ByteBuffer nAllocationGetByteBuffer(long alloc, long[] stride, int xBytesSize, int dimY, int dimZ) {
+        validate();
+        return rsnAllocationGetByteBuffer(mContext, alloc, stride, xBytesSize, dimY, dimZ);
+    }
+
     native Surface rsnAllocationGetSurface(long con, long alloc);
     synchronized Surface nAllocationGetSurface(long alloc) {
         validate();
diff --git a/rs/java/android/renderscript/Script.java b/rs/java/android/renderscript/Script.java
index 84f980d..2b06780 100644
--- a/rs/java/android/renderscript/Script.java
+++ b/rs/java/android/renderscript/Script.java
@@ -315,7 +315,6 @@
     /**
      * Only intended for use by generated reflected code.  (General reduction)
      *
-     * @hide
      */
     protected void reduce(int slot, Allocation[] ains, Allocation aout, LaunchOptions sc) {
         mRS.validate();
diff --git a/rs/jni/android_renderscript_RenderScript.cpp b/rs/jni/android_renderscript_RenderScript.cpp
index 3954070..398d89b 100644
--- a/rs/jni/android_renderscript_RenderScript.cpp
+++ b/rs/jni/android_renderscript_RenderScript.cpp
@@ -2752,7 +2752,43 @@
     return (jint)sizeof(void*);
 }
 
+static jobject
+nAllocationGetByteBuffer(JNIEnv *_env, jobject _this, jlong con, jlong alloc,
+                        jlongArray strideArr, jint xBytesSize,
+                        jint dimY, jint dimZ) {
+    if (kLogApi) {
+        ALOGD("nAllocationGetByteBuffer, con(%p), alloc(%p)", (RsContext)con, (RsAllocation)alloc);
+    }
 
+    jlong *jStridePtr = _env->GetLongArrayElements(strideArr, nullptr);
+    if (jStridePtr == nullptr) {
+        ALOGE("Failed to get Java array elements: strideArr");
+        return 0;
+    }
+
+    size_t strideIn = xBytesSize;
+    void* ptr = nullptr;
+    if (alloc != 0) {
+        ptr = rsAllocationGetPointer((RsContext)con, (RsAllocation)alloc, 0,
+                                     RS_ALLOCATION_CUBEMAP_FACE_POSITIVE_X, 0, 0,
+                                     &strideIn, sizeof(size_t));
+    }
+
+    jobject byteBuffer = nullptr;
+    if (ptr != nullptr) {
+        size_t bufferSize = strideIn;
+        jStridePtr[0] = strideIn;
+        if (dimY > 0) {
+            bufferSize *= dimY;
+        }
+        if (dimZ > 0) {
+            bufferSize *= dimZ;
+        }
+        byteBuffer = _env->NewDirectByteBuffer(ptr, (jlong) bufferSize);
+    }
+    _env->ReleaseLongArrayElements(strideArr, jStridePtr, 0);
+    return byteBuffer;
+}
 // ---------------------------------------------------------------------------
 
 
@@ -2909,6 +2945,7 @@
 {"rsnMeshGetIndices",                "(JJ[J[II)V",                            (void*)nMeshGetIndices },
 
 {"rsnSystemGetPointerSize",          "()I",                                   (void*)nSystemGetPointerSize },
+{"rsnAllocationGetByteBuffer",       "(JJ[JIII)Ljava/nio/ByteBuffer;",        (void*)nAllocationGetByteBuffer },
 };
 
 static int registerFuncs(JNIEnv *_env)
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 1434e5e..b8327c1 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -203,7 +203,6 @@
 import android.util.PrintWriterPrinter;
 import android.util.Slog;
 import android.util.SparseArray;
-import android.util.SparseBooleanArray;
 import android.util.TimeUtils;
 import android.util.Xml;
 import android.view.Display;
@@ -1473,6 +1472,7 @@
     static final int LOG_STACK_STATE = 62;
     static final int VR_MODE_CHANGE_MSG = 63;
     static final int NOTIFY_ACTIVITY_PINNED_LISTENERS_MSG = 64;
+    static final int NOTIFY_PINNED_ACTIVITY_RESTART_ATTEMPT_LISTENERS_MSG = 65;
 
     static final int FIRST_ACTIVITY_STACK_MSG = 100;
     static final int FIRST_BROADCAST_QUEUE_MSG = 200;
@@ -2056,6 +2056,20 @@
                 }
                 break;
             }
+            case NOTIFY_PINNED_ACTIVITY_RESTART_ATTEMPT_LISTENERS_MSG: {
+                synchronized (ActivityManagerService.this) {
+                    for (int i = mTaskStackListeners.beginBroadcast() - 1; i >= 0; i--) {
+                        try {
+                            // Make a one-way callback to the listener
+                            mTaskStackListeners.getBroadcastItem(i).onPinnedActivityRestartAttempt();
+                        } catch (RemoteException e){
+                            // Handled by the RemoteCallbackList
+                        }
+                    }
+                    mTaskStackListeners.finishBroadcast();
+                }
+                break;
+            }
             case NOTIFY_CLEARTEXT_NETWORK_MSG: {
                 final int uid = msg.arg1;
                 final byte[] firstPacket = (byte[]) msg.obj;
@@ -11284,6 +11298,16 @@
         mHandler.obtainMessage(NOTIFY_ACTIVITY_PINNED_LISTENERS_MSG).sendToTarget();
     }
 
+    /**
+     * Notifies all listeners when an attempt was made to start an an activity that is already
+     * running in the pinned stack and the activity was not actually started, but the task is
+     * either brought to the front or a new Intent is delivered to it.
+     */
+    void notifyPinnedActivityRestartAttemptLocked() {
+        mHandler.removeMessages(NOTIFY_PINNED_ACTIVITY_RESTART_ATTEMPT_LISTENERS_MSG);
+        mHandler.obtainMessage(NOTIFY_PINNED_ACTIVITY_RESTART_ATTEMPT_LISTENERS_MSG).sendToTarget();
+    }
+
     @Override
     public void notifyCleartextNetwork(int uid, byte[] firstPacket) {
         mHandler.obtainMessage(NOTIFY_CLEARTEXT_NETWORK_MSG, uid, 0, firstPacket).sendToTarget();
diff --git a/services/core/java/com/android/server/am/ActivityStarter.java b/services/core/java/com/android/server/am/ActivityStarter.java
index 23dc0f6..7b7359f 100644
--- a/services/core/java/com/android/server/am/ActivityStarter.java
+++ b/services/core/java/com/android/server/am/ActivityStarter.java
@@ -504,18 +504,45 @@
 
         err = startActivityUnchecked(
                 r, sourceRecord, voiceSession, voiceInteractor, startFlags, true, options, inTask);
+        postStartActivityUncheckedProcessing(r, err, stack.mStackId);
+        return err;
+    }
 
-        if (err < 0) {
-            // If someone asked to have the keyguard dismissed on the next
-            // activity start, but we are not actually doing an activity
-            // switch...  just dismiss the keyguard now, because we
-            // probably want to see whatever is behind it.
+    void postStartActivityUncheckedProcessing(
+            ActivityRecord r, int result, int prevFocusedStackId) {
+
+        if (result < START_SUCCESS) {
+            // If someone asked to have the keyguard dismissed on the next activity start,
+            // but we are not actually doing an activity switch...  just dismiss the keyguard now,
+            // because we probably want to see whatever is behind it.
             mSupervisor.notifyActivityDrawnForKeyguard();
-        } else {
-            launchRecentsAppIfNeeded(stack);
+            return;
         }
 
-        return err;
+        int startedActivityStackId = INVALID_STACK_ID;
+        if (r.task != null && r.task.stack != null) {
+            startedActivityStackId = r.task.stack.mStackId;
+        } else if (mTargetStack != null) {
+            startedActivityStackId = mTargetStack.mStackId;
+        }
+
+        if (startedActivityStackId == DOCKED_STACK_ID && prevFocusedStackId == HOME_STACK_ID) {
+            // We launch an activity while being in home stack, which means either launcher or
+            // recents into docked stack. We don't want the launched activity to be alone in a
+            // docked stack, so we want to immediately launch recents too.
+            if (DEBUG_RECENTS) Slog.d(TAG, "Scheduling recents launch.");
+            mWindowManager.showRecentApps();
+            return;
+        }
+
+        if (startedActivityStackId == PINNED_STACK_ID
+                && (result == START_TASK_TO_FRONT || result == START_DELIVERED_TO_TOP)) {
+            // The activity was already running in the pinned stack so it wasn't started, but either
+            // brought to the front or the new intent was delivered to it since it was already in
+            // front. Notify anyone interested in this piece of information.
+            mService.notifyPinnedActivityRestartAttemptLocked();
+            return;
+        }
     }
 
     void startHomeActivityLocked(Intent intent, ActivityInfo aInfo, String reason) {
@@ -985,17 +1012,6 @@
         return START_SUCCESS;
     }
 
-    private void launchRecentsAppIfNeeded(ActivityStack topStack) {
-        if (topStack.mStackId == HOME_STACK_ID && mTargetStack != null
-                && mTargetStack.mStackId == DOCKED_STACK_ID) {
-            // We launch an activity while being in home stack, which means either launcher or
-            // recents into docked stack. We don't want the launched activity to be alone in a
-            // docked stack, so we want to immediately launch recents too.
-            if (DEBUG_RECENTS) Slog.d(TAG, "Scheduling recents launch.");
-            mWindowManager.showRecentApps();
-        }
-    }
-
     private void setInitialState(ActivityRecord r, ActivityOptions options, TaskRecord inTask,
             boolean doResume, int startFlags, ActivityRecord sourceRecord,
             IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor) {
@@ -1557,11 +1573,13 @@
 
     final void doPendingActivityLaunchesLocked(boolean doResume) {
         while (!mPendingActivityLaunches.isEmpty()) {
-            PendingActivityLaunch pal = mPendingActivityLaunches.remove(0);
-
+            final PendingActivityLaunch pal = mPendingActivityLaunches.remove(0);
+            final boolean resume = doResume && mPendingActivityLaunches.isEmpty();
             try {
-                startActivityUnchecked(pal.r, pal.sourceRecord, null, null, pal.startFlags,
-                        doResume && mPendingActivityLaunches.isEmpty(), null, null);
+                final int result = startActivityUnchecked(
+                        pal.r, pal.sourceRecord, null, null, pal.startFlags, resume, null, null);
+                postStartActivityUncheckedProcessing(
+                        pal.r, result, mSupervisor.mFocusedStack.mStackId);
             } catch (Exception e) {
                 Slog.e(TAG, "Exception during pending activity launch pal=" + pal, e);
                 pal.sendErrorResult(e.getMessage());
diff --git a/services/core/java/com/android/server/tv/TvInputManagerService.java b/services/core/java/com/android/server/tv/TvInputManagerService.java
index 3193ff8..3ca99d4 100644
--- a/services/core/java/com/android/server/tv/TvInputManagerService.java
+++ b/services/core/java/com/android/server/tv/TvInputManagerService.java
@@ -435,7 +435,11 @@
         for (SessionState state : userState.sessionStateMap.values()) {
             if (state.session != null) {
                 try {
-                    state.session.release();
+                    if (state.isRecordingSession) {
+                        state.session.disconnect();
+                    } else {
+                        state.session.release();
+                    }
                 } catch (RemoteException e) {
                     Slog.e(TAG, "error in release", e);
                 }
@@ -604,7 +608,11 @@
 
         // Create a session. When failed, send a null token immediately.
         try {
-            service.createSession(channels[1], callback, sessionState.info.getId());
+            if (sessionState.isRecordingSession) {
+                service.createRecordingSession(callback, sessionState.info.getId());
+            } else {
+                service.createSession(channels[1], callback, sessionState.info.getId());
+            }
         } catch (RemoteException e) {
             Slog.e(TAG, "error in createSession", e);
             removeSessionStateLocked(sessionToken, userId);
@@ -632,7 +640,11 @@
                 if (sessionToken == userState.mainSessionToken) {
                     setMainLocked(sessionToken, false, callingUid, userId);
                 }
-                sessionState.session.release();
+                if (sessionState.isRecordingSession) {
+                    sessionState.session.disconnect();
+                } else {
+                    sessionState.session.release();
+                }
             }
         } catch (RemoteException | SessionNotFoundException e) {
             Slog.e(TAG, "error in releaseSession", e);
@@ -766,6 +778,21 @@
         }
     }
 
+    private void notifyTvInputInfoChanged(UserState userState, String inputId,
+            TvInputInfo inputInfo) {
+        if (DEBUG) {
+            Slog.d(TAG, "notifyTvInputInfoChanged(inputId=" + inputId + ", inputInfo=" + inputInfo
+                    + ")");
+        }
+        for (ITvInputManagerCallback callback : userState.callbackSet) {
+            try {
+                callback.onTvInputInfoChanged(inputId, inputInfo);
+            } catch (RemoteException e) {
+                Slog.e(TAG, "failed to report changed input info to callback", e);
+            }
+        }
+    }
+
     private void setStateLocked(String inputId, int state, int userId) {
         UserState userState = getOrCreateUserStateLocked(userId);
         TvInputState inputState = userState.inputMap.get(inputId);
@@ -1005,7 +1032,7 @@
 
         @Override
         public void createSession(final ITvInputClient client, final String inputId,
-                int seq, int userId) {
+                boolean isRecordingSession, int seq, int userId) {
             final int callingUid = Binder.getCallingUid();
             final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid,
                     userId, "createSession");
@@ -1033,8 +1060,8 @@
 
                     // Create a new session token and a session state.
                     IBinder sessionToken = new Binder();
-                    SessionState sessionState = new SessionState(sessionToken, info, client,
-                            seq, callingUid, resolvedUserId);
+                    SessionState sessionState = new SessionState(sessionToken, info,
+                            isRecordingSession, client, seq, callingUid, resolvedUserId);
 
                     // Add them to the global session state map of the current user.
                     userState.sessionStateMap.put(sessionToken, sessionState);
@@ -1375,6 +1402,26 @@
         }
 
         @Override
+        public void timeShiftPlay(IBinder sessionToken, final Uri recordedProgramUri, int userId) {
+            final int callingUid = Binder.getCallingUid();
+            final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid,
+                    userId, "timeShiftPlay");
+            final long identity = Binder.clearCallingIdentity();
+            try {
+                synchronized (mLock) {
+                    try {
+                        getSessionLocked(sessionToken, callingUid, resolvedUserId).timeShiftPlay(
+                                recordedProgramUri);
+                    } catch (RemoteException | SessionNotFoundException e) {
+                        Slog.e(TAG, "error in timeShiftPlay", e);
+                    }
+                }
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
+        }
+
+        @Override
         public void timeShiftPause(IBinder sessionToken, int userId) {
             final int callingUid = Binder.getCallingUid();
             final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid,
@@ -1383,8 +1430,7 @@
             try {
                 synchronized (mLock) {
                     try {
-                        getSessionLocked(sessionToken, callingUid, resolvedUserId)
-                                .timeShiftPause();
+                        getSessionLocked(sessionToken, callingUid, resolvedUserId).timeShiftPause();
                     } catch (RemoteException | SessionNotFoundException e) {
                         Slog.e(TAG, "error in timeShiftPause", e);
                     }
@@ -1477,6 +1523,64 @@
         }
 
         @Override
+        public void connect(IBinder sessionToken, final Uri channelUri, Bundle params, int userId) {
+            final int callingUid = Binder.getCallingUid();
+            final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid,
+                    userId, "connect");
+            final long identity = Binder.clearCallingIdentity();
+            try {
+                synchronized (mLock) {
+                    try {
+                        getSessionLocked(sessionToken, callingUid, resolvedUserId).connect(
+                                channelUri, params);
+                    } catch (RemoteException | SessionNotFoundException e) {
+                        Slog.e(TAG, "error in connect", e);
+                    }
+                }
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
+        }
+
+        @Override
+        public void startRecording(IBinder sessionToken, int userId) {
+            final int callingUid = Binder.getCallingUid();
+            final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid,
+                    userId, "startRecording");
+            final long identity = Binder.clearCallingIdentity();
+            try {
+                synchronized (mLock) {
+                    try {
+                        getSessionLocked(sessionToken, callingUid, resolvedUserId).startRecording();
+                    } catch (RemoteException | SessionNotFoundException e) {
+                        Slog.e(TAG, "error in startRecording", e);
+                    }
+                }
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
+        }
+
+        @Override
+        public void stopRecording(IBinder sessionToken, int userId) {
+            final int callingUid = Binder.getCallingUid();
+            final int resolvedUserId = resolveCallingUserId(Binder.getCallingPid(), callingUid,
+                    userId, "stopRecording");
+            final long identity = Binder.clearCallingIdentity();
+            try {
+                synchronized (mLock) {
+                    try {
+                        getSessionLocked(sessionToken, callingUid, resolvedUserId).stopRecording();
+                    } catch (RemoteException | SessionNotFoundException e) {
+                        Slog.e(TAG, "error in stopRecording", e);
+                    }
+                }
+            } finally {
+                Binder.restoreCallingIdentity(identity);
+            }
+        }
+
+        @Override
         public List<TvInputHardwareInfo> getHardwareList() throws RemoteException {
             if (mContext.checkCallingPermission(android.Manifest.permission.TV_INPUT_HARDWARE)
                     != PackageManager.PERMISSION_GRANTED) {
@@ -1912,6 +2016,7 @@
 
     private final class SessionState implements IBinder.DeathRecipient {
         private final TvInputInfo info;
+        private final boolean isRecordingSession;
         private final ITvInputClient client;
         private final int seq;
         private final int callingUid;
@@ -1922,10 +2027,11 @@
         // Not null if this session represents an external device connected to a hardware TV input.
         private IBinder hardwareSessionToken;
 
-        private SessionState(IBinder sessionToken, TvInputInfo info, ITvInputClient client,
-                int seq, int callingUid, int userId) {
+        private SessionState(IBinder sessionToken, TvInputInfo info, boolean isRecordingSession,
+                ITvInputClient client, int seq, int callingUid, int userId) {
             this.sessionToken = sessionToken;
             this.info = info;
+            this.isRecordingSession = isRecordingSession;
             this.client = client;
             this.seq = seq;
             this.callingUid = callingUid;
@@ -2126,6 +2232,18 @@
                 }
             }
         }
+
+        @Override
+        public void setTvInputInfo(String inputId, TvInputInfo inputInfo) {
+            ensureValidInput(inputInfo);
+            synchronized (mLock) {
+                if (DEBUG) {
+                    Slog.d(TAG, "setTvInputInfo(" + inputInfo + ")");
+                }
+                UserState userState = getOrCreateUserStateLocked(mUserId);
+                notifyTvInputInfoChanged(userState, inputId, inputInfo);
+            }
+        }
     }
 
     private final class SessionCallback extends ITvInputSessionCallback.Stub {
@@ -2393,6 +2511,78 @@
                 }
             }
         }
+
+        // For the recording session only
+        @Override
+        public void onConnected() {
+            synchronized (mLock) {
+                if (DEBUG) {
+                    Slog.d(TAG, "onConnected()");
+                }
+                if (mSessionState.session == null || mSessionState.client == null) {
+                    return;
+                }
+                try {
+                    mSessionState.client.onConnected(mSessionState.seq);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "error in onConnected", e);
+                }
+            }
+        }
+
+        // For the recording session only
+        @Override
+        public void onRecordingStarted() {
+            synchronized (mLock) {
+                if (DEBUG) {
+                    Slog.d(TAG, "onRecordingStarted()");
+                }
+                if (mSessionState.session == null || mSessionState.client == null) {
+                    return;
+                }
+                try {
+                    mSessionState.client.onRecordingStarted(mSessionState.seq);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "error in onRecordingStarted", e);
+                }
+            }
+        }
+
+        // For the recording session only
+        @Override
+        public void onRecordingStopped(Uri recordedProgramUri) {
+            synchronized (mLock) {
+                if (DEBUG) {
+                    Slog.d(TAG, "onRecordingStopped()");
+                }
+                if (mSessionState.session == null || mSessionState.client == null) {
+                    return;
+                }
+                try {
+                    mSessionState.client.onRecordingStopped(recordedProgramUri, mSessionState.seq);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "error in onRecordingStopped", e);
+                }
+            }
+        }
+
+        // For the recording session only
+        @Override
+        public void onError(int error) {
+            synchronized (mLock) {
+                if (DEBUG) {
+                    Slog.d(TAG, "onError()");
+                }
+                if (mSessionState.session == null || mSessionState.client == null) {
+                    return;
+                }
+                try {
+                    mSessionState.client.onError(error, mSessionState.seq);
+                } catch (RemoteException e) {
+                    Slog.e(TAG, "error in onError", e);
+                }
+            }
+        }
     }
 
     private static final class WatchLogHandler extends Handler {
diff --git a/telephony/java/android/telephony/CellIdentityGsm.java b/telephony/java/android/telephony/CellIdentityGsm.java
index 90d2aa0..74f1171 100644
--- a/telephony/java/android/telephony/CellIdentityGsm.java
+++ b/telephony/java/android/telephony/CellIdentityGsm.java
@@ -38,6 +38,10 @@
     private final int mLac;
     // 16-bit GSM Cell Identity described in TS 27.007, 0..65535
     private final int mCid;
+    // 16-bit GSM Absolute RF Channel Number
+    private final int mArfcn;
+    // 6-bit Base Station Identity Code
+    private final int mBsic;
 
     /**
      * @hide
@@ -47,6 +51,8 @@
         mMnc = Integer.MAX_VALUE;
         mLac = Integer.MAX_VALUE;
         mCid = Integer.MAX_VALUE;
+        mArfcn = Integer.MAX_VALUE;
+        mBsic = Integer.MAX_VALUE;
     }
     /**
      * public constructor
@@ -58,10 +64,27 @@
      * @hide
      */
     public CellIdentityGsm (int mcc, int mnc, int lac, int cid) {
+        this(mcc, mnc, lac, cid, Integer.MAX_VALUE, Integer.MAX_VALUE);
+    }
+
+    /**
+     * public constructor
+     * @param mcc 3-digit Mobile Country Code, 0..999
+     * @param mnc 2 or 3-digit Mobile Network Code, 0..999
+     * @param lac 16-bit Location Area Code, 0..65535
+     * @param cid 16-bit GSM Cell Identity or 28-bit UMTS Cell Identity
+     * @param arfcn 16-bit GSM Absolute RF Channel Number
+     * @param bsic 6-bit Base Station Identity Code
+     *
+     * @hide
+     */
+    public CellIdentityGsm (int mcc, int mnc, int lac, int cid, int arfcn, int bsic) {
         mMcc = mcc;
         mMnc = mnc;
         mLac = lac;
         mCid = cid;
+        mArfcn = arfcn;
+        mBsic = bsic;
     }
 
     private CellIdentityGsm(CellIdentityGsm cid) {
@@ -69,6 +92,8 @@
         mMnc = cid.mMnc;
         mLac = cid.mLac;
         mCid = cid.mCid;
+        mArfcn = cid.mArfcn;
+        mBsic = cid.mBsic;
     }
 
     CellIdentityGsm copy() {
@@ -106,6 +131,21 @@
     }
 
     /**
+     * @return 16-bit GSM Absolute RF Channel Number, Integer.MAX_VALUE if unknown
+     */
+    public int getArfcn() {
+        return mArfcn;
+    }
+
+    /**
+     * @return 6-bit Base Station Identity Code, Integer.MAX_VALUE if unknown
+     */
+    public int getBsic() {
+        return mBsic;
+    }
+
+
+    /**
      * @return Integer.MAX_VALUE, undefined for GSM
      */
     @Deprecated
@@ -132,7 +172,9 @@
         return mMcc == o.mMcc &&
                 mMnc == o.mMnc &&
                 mLac == o.mLac &&
-                mCid == o.mCid;
+                mCid == o.mCid &&
+                mArfcn == o.mArfcn &&
+                mBsic == o.mBsic;
     }
 
     @Override
@@ -142,6 +184,8 @@
         sb.append(" mMnc=").append(mMnc);
         sb.append(" mLac=").append(mLac);
         sb.append(" mCid=").append(mCid);
+        sb.append(" mArfcn=").append(mArfcn);
+        sb.append(" mBsic=").append("0x").append(Integer.toHexString(mBsic));
         sb.append("}");
 
         return sb.toString();
@@ -161,6 +205,8 @@
         dest.writeInt(mMnc);
         dest.writeInt(mLac);
         dest.writeInt(mCid);
+        dest.writeInt(mArfcn);
+        dest.writeInt(mBsic);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -169,6 +215,8 @@
         mMnc = in.readInt();
         mLac = in.readInt();
         mCid = in.readInt();
+        mArfcn = in.readInt();
+        mBsic = in.readInt();
         if (DBG) log("CellIdentityGsm(Parcel): " + toString());
     }
 
diff --git a/telephony/java/android/telephony/CellIdentityLte.java b/telephony/java/android/telephony/CellIdentityLte.java
index 1e7ac08..ce74383 100644
--- a/telephony/java/android/telephony/CellIdentityLte.java
+++ b/telephony/java/android/telephony/CellIdentityLte.java
@@ -40,6 +40,8 @@
     private final int mPci;
     // 16-bit tracking area code
     private final int mTac;
+    // 18-bit Absolute RF Channel Number
+    private final int mEarfcn;
 
     /**
      * @hide
@@ -50,6 +52,7 @@
         mCi = Integer.MAX_VALUE;
         mPci = Integer.MAX_VALUE;
         mTac = Integer.MAX_VALUE;
+        mEarfcn = Integer.MAX_VALUE;
     }
 
     /**
@@ -63,11 +66,27 @@
      * @hide
      */
     public CellIdentityLte (int mcc, int mnc, int ci, int pci, int tac) {
+        this(mcc, mnc, ci, pci, tac, Integer.MAX_VALUE);
+    }
+
+    /**
+     *
+     * @param mcc 3-digit Mobile Country Code, 0..999
+     * @param mnc 2 or 3-digit Mobile Network Code, 0..999
+     * @param ci 28-bit Cell Identity
+     * @param pci Physical Cell Id 0..503
+     * @param tac 16-bit Tracking Area Code
+     * @param earfcn 18-bit LTE Absolute RF Channel Number
+     *
+     * @hide
+     */
+    public CellIdentityLte (int mcc, int mnc, int ci, int pci, int tac, int earfcn) {
         mMcc = mcc;
         mMnc = mnc;
         mCi = ci;
         mPci = pci;
         mTac = tac;
+        mEarfcn = earfcn;
     }
 
     private CellIdentityLte(CellIdentityLte cid) {
@@ -76,6 +95,7 @@
         mCi = cid.mCi;
         mPci = cid.mPci;
         mTac = cid.mTac;
+        mEarfcn = cid.mEarfcn;
     }
 
     CellIdentityLte copy() {
@@ -117,6 +137,13 @@
         return mTac;
     }
 
+    /**
+     * @return 18-bit Absolute RF Channel Number, Integer.MAX_VALUE if unknown
+     */
+    public int getEarfcn() {
+        return mEarfcn;
+    }
+
     @Override
     public int hashCode() {
         return Objects.hash(mMcc, mMnc, mCi, mPci, mTac);
@@ -137,7 +164,8 @@
                 mMnc == o.mMnc &&
                 mCi == o.mCi &&
                 mPci == o.mPci &&
-                mTac == o.mTac;
+                mTac == o.mTac &&
+                mEarfcn == o.mEarfcn;
     }
 
     @Override
@@ -148,6 +176,7 @@
         sb.append(" mCi="); sb.append(mCi);
         sb.append(" mPci="); sb.append(mPci);
         sb.append(" mTac="); sb.append(mTac);
+        sb.append(" mEarfcn="); sb.append(mEarfcn);
         sb.append("}");
 
         return sb.toString();
@@ -168,6 +197,7 @@
         dest.writeInt(mCi);
         dest.writeInt(mPci);
         dest.writeInt(mTac);
+        dest.writeInt(mEarfcn);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -177,6 +207,7 @@
         mCi = in.readInt();
         mPci = in.readInt();
         mTac = in.readInt();
+        mEarfcn = in.readInt();
         if (DBG) log("CellIdentityLte(Parcel): " + toString());
     }
 
diff --git a/telephony/java/android/telephony/CellIdentityWcdma.java b/telephony/java/android/telephony/CellIdentityWcdma.java
index 56ee8c9..0d13efd 100644
--- a/telephony/java/android/telephony/CellIdentityWcdma.java
+++ b/telephony/java/android/telephony/CellIdentityWcdma.java
@@ -40,6 +40,8 @@
     private final int mCid;
     // 9-bit UMTS Primary Scrambling Code described in TS 25.331, 0..511
     private final int mPsc;
+    // 16-bit UMTS Absolute RF Channel Number
+    private final int mUarfcn;
 
     /**
      * @hide
@@ -50,6 +52,7 @@
         mLac = Integer.MAX_VALUE;
         mCid = Integer.MAX_VALUE;
         mPsc = Integer.MAX_VALUE;
+        mUarfcn = Integer.MAX_VALUE;
     }
     /**
      * public constructor
@@ -62,11 +65,27 @@
      * @hide
      */
     public CellIdentityWcdma (int mcc, int mnc, int lac, int cid, int psc) {
+        this(mcc, mnc, lac, cid, psc, Integer.MAX_VALUE);
+    }
+
+    /**
+     * public constructor
+     * @param mcc 3-digit Mobile Country Code, 0..999
+     * @param mnc 2 or 3-digit Mobile Network Code, 0..999
+     * @param lac 16-bit Location Area Code, 0..65535
+     * @param cid 28-bit UMTS Cell Identity
+     * @param psc 9-bit UMTS Primary Scrambling Code
+     * @param uarfcn 16-bit UMTS Absolute RF Channel Number
+     *
+     * @hide
+     */
+    public CellIdentityWcdma (int mcc, int mnc, int lac, int cid, int psc, int uarfcn) {
         mMcc = mcc;
         mMnc = mnc;
         mLac = lac;
         mCid = cid;
         mPsc = psc;
+        mUarfcn = uarfcn;
     }
 
     private CellIdentityWcdma(CellIdentityWcdma cid) {
@@ -75,6 +94,7 @@
         mLac = cid.mLac;
         mCid = cid.mCid;
         mPsc = cid.mPsc;
+        mUarfcn = cid.mUarfcn;
     }
 
     CellIdentityWcdma copy() {
@@ -123,6 +143,13 @@
         return Objects.hash(mMcc, mMnc, mLac, mCid, mPsc);
     }
 
+    /**
+     * @return 16-bit UMTS Absolute RF Channel Number, Integer.MAX_VALUE if unknown
+     */
+    public int getUarfcn() {
+        return mUarfcn;
+    }
+
     @Override
     public boolean equals(Object other) {
         if (this == other) {
@@ -138,7 +165,8 @@
                 mMnc == o.mMnc &&
                 mLac == o.mLac &&
                 mCid == o.mCid &&
-                mPsc == o.mPsc;
+                mPsc == o.mPsc &&
+                mUarfcn == o.mUarfcn;
     }
 
     @Override
@@ -149,6 +177,7 @@
         sb.append(" mLac=").append(mLac);
         sb.append(" mCid=").append(mCid);
         sb.append(" mPsc=").append(mPsc);
+        sb.append(" mUarfcn=").append(mUarfcn);
         sb.append("}");
 
         return sb.toString();
@@ -169,6 +198,7 @@
         dest.writeInt(mLac);
         dest.writeInt(mCid);
         dest.writeInt(mPsc);
+        dest.writeInt(mUarfcn);
     }
 
     /** Construct from Parcel, type has already been processed */
@@ -178,6 +208,7 @@
         mLac = in.readInt();
         mCid = in.readInt();
         mPsc = in.readInt();
+        mUarfcn = in.readInt();
         if (DBG) log("CellIdentityWcdma(Parcel): " + toString());
     }
 
diff --git a/telephony/java/android/telephony/CellSignalStrengthGsm.java b/telephony/java/android/telephony/CellSignalStrengthGsm.java
index d27fcec..addf7ef 100644
--- a/telephony/java/android/telephony/CellSignalStrengthGsm.java
+++ b/telephony/java/android/telephony/CellSignalStrengthGsm.java
@@ -34,6 +34,7 @@
 
     private int mSignalStrength; // Valid values are (0-31, 99) as defined in TS 27.007 8.5
     private int mBitErrorRate;   // bit error rate (0-7, 99) as defined in TS 27.007 8.5
+    private int mTimingAdvance;
 
     /**
      * Empty constructor
@@ -75,6 +76,22 @@
     public void initialize(int ss, int ber) {
         mSignalStrength = ss;
         mBitErrorRate = ber;
+        mTimingAdvance = Integer.MAX_VALUE;
+    }
+
+    /**
+     * Initialize all the values
+     *
+     * @param ss SignalStrength as ASU value
+     * @param ber is Bit Error Rate
+     * @param ta timing advance
+     *
+     * @hide
+     */
+    public void initialize(int ss, int ber, int ta) {
+        mSignalStrength = ss;
+        mBitErrorRate = ber;
+        mTimingAdvance = ta;
     }
 
     /**
@@ -83,6 +100,7 @@
     protected void copyFrom(CellSignalStrengthGsm s) {
         mSignalStrength = s.mSignalStrength;
         mBitErrorRate = s.mBitErrorRate;
+        mTimingAdvance = s.mTimingAdvance;
     }
 
     /**
@@ -98,6 +116,7 @@
     public void setDefaultValues() {
         mSignalStrength = Integer.MAX_VALUE;
         mBitErrorRate = Integer.MAX_VALUE;
+        mTimingAdvance = Integer.MAX_VALUE;
     }
 
     /**
@@ -174,7 +193,8 @@
             return false;
         }
 
-        return mSignalStrength == s.mSignalStrength && mBitErrorRate == s.mBitErrorRate;
+        return mSignalStrength == s.mSignalStrength && mBitErrorRate == s.mBitErrorRate &&
+                        s.mTimingAdvance == mTimingAdvance;
     }
 
     /**
@@ -184,7 +204,8 @@
     public String toString() {
         return "CellSignalStrengthGsm:"
                 + " ss=" + mSignalStrength
-                + " ber=" + mBitErrorRate;
+                + " ber=" + mBitErrorRate
+                + " mTa=" + mTimingAdvance;
     }
 
     /** Implement the Parcelable interface */
@@ -193,6 +214,7 @@
         if (DBG) log("writeToParcel(Parcel, int): " + toString());
         dest.writeInt(mSignalStrength);
         dest.writeInt(mBitErrorRate);
+        dest.writeInt(mTimingAdvance);
     }
 
     /**
@@ -202,6 +224,7 @@
     private CellSignalStrengthGsm(Parcel in) {
         mSignalStrength = in.readInt();
         mBitErrorRate = in.readInt();
+        mTimingAdvance = in.readInt();
         if (DBG) log("CellSignalStrengthGsm(Parcel): " + toString());
     }