Merge "Delete code that checks for the simulator, it's long gone." into mnc-dev
diff --git a/Android.mk b/Android.mk
index d6dac53..4d8a37c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -555,8 +555,6 @@
 	frameworks/base/core/java/android/service/chooser/ChooserTarget.aidl \
 	frameworks/base/core/java/android/speech/tts/Voice.aidl \
 	frameworks/base/core/java/android/app/usage/UsageEvents.aidl \
-	frameworks/base/core/java/android/app/AssistStructure.aidl \
-	frameworks/base/core/java/android/app/AssistContent.aidl \
 	frameworks/base/core/java/android/app/Notification.aidl \
 	frameworks/base/core/java/android/app/NotificationManager.aidl \
 	frameworks/base/core/java/android/app/WallpaperInfo.aidl \
@@ -566,6 +564,8 @@
 	frameworks/base/core/java/android/app/AlarmManager.aidl \
 	frameworks/base/core/java/android/app/SearchableInfo.aidl \
 	frameworks/base/core/java/android/app/VoiceInteractor.aidl \
+	frameworks/base/core/java/android/app/assist/AssistContent.aidl \
+	frameworks/base/core/java/android/app/assist/AssistStructure.aidl \
 	frameworks/base/core/java/android/app/job/JobParameters.aidl \
 	frameworks/base/core/java/android/app/job/JobInfo.aidl \
 	frameworks/base/core/java/android/appwidget/AppWidgetProviderInfo.aidl \
diff --git a/api/current.txt b/api/current.txt
index 481e651..0878e7e 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -3445,7 +3445,7 @@
     method public void onPrepareNavigateUpTaskStack(android.app.TaskStackBuilder);
     method public boolean onPrepareOptionsMenu(android.view.Menu);
     method public boolean onPreparePanel(int, android.view.View, android.view.Menu);
-    method public void onProvideAssistContent(android.app.AssistContent);
+    method public void onProvideAssistContent(android.app.assist.AssistContent);
     method public void onProvideAssistData(android.os.Bundle);
     method public void onRequestPermissionsResult(int, java.lang.String[], int[]);
     method protected void onRestart();
@@ -3996,26 +3996,20 @@
     field public java.lang.String serviceDetails;
   }
 
-  public class AssistContent implements android.os.Parcelable {
+  public deprecated class AssistContent {
     ctor public AssistContent();
-    method public int describeContents();
     method public android.content.ClipData getClipData();
-    method public android.content.Intent getIntent();
     method public android.net.Uri getWebUri();
+    method public boolean isAppProvidedIntent();
     method public void setClipData(android.content.ClipData);
     method public void setIntent(android.content.Intent);
     method public void setWebUri(android.net.Uri);
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.os.Parcelable.Creator<android.app.AssistContent> CREATOR;
   }
 
-  public final class AssistStructure implements android.os.Parcelable {
-    method public int describeContents();
+  public deprecated class AssistStructure {
+    ctor public AssistStructure();
     method public android.content.ComponentName getActivityComponent();
-    method public android.app.AssistStructure.WindowNode getWindowNodeAt(int);
     method public int getWindowNodeCount();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.os.Parcelable.Creator<android.app.AssistStructure> CREATOR;
   }
 
   public static class AssistStructure.ViewNode {
@@ -5505,7 +5499,8 @@
   }
 
   public static class VoiceInteractor.AbortVoiceRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.AbortVoiceRequest(java.lang.CharSequence, android.os.Bundle);
+    ctor public VoiceInteractor.AbortVoiceRequest(android.app.VoiceInteractor.Prompt, android.os.Bundle);
+    ctor public deprecated VoiceInteractor.AbortVoiceRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onAbortResult(android.os.Bundle);
   }
 
@@ -5515,17 +5510,20 @@
   }
 
   public static class VoiceInteractor.CompleteVoiceRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.CompleteVoiceRequest(java.lang.CharSequence, android.os.Bundle);
+    ctor public VoiceInteractor.CompleteVoiceRequest(android.app.VoiceInteractor.Prompt, android.os.Bundle);
+    ctor public deprecated VoiceInteractor.CompleteVoiceRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onCompleteResult(android.os.Bundle);
   }
 
   public static class VoiceInteractor.ConfirmationRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.ConfirmationRequest(java.lang.CharSequence, android.os.Bundle);
+    ctor public VoiceInteractor.ConfirmationRequest(android.app.VoiceInteractor.Prompt, android.os.Bundle);
+    ctor public deprecated VoiceInteractor.ConfirmationRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onConfirmationResult(boolean, android.os.Bundle);
   }
 
   public static class VoiceInteractor.PickOptionRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.PickOptionRequest(java.lang.CharSequence, android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
+    ctor public VoiceInteractor.PickOptionRequest(android.app.VoiceInteractor.Prompt, android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
+    ctor public deprecated VoiceInteractor.PickOptionRequest(java.lang.CharSequence, android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
     method public void onPickOptionResult(boolean, android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
   }
 
@@ -5544,6 +5542,17 @@
     field public static final android.os.Parcelable.Creator<android.app.VoiceInteractor.PickOptionRequest.Option> CREATOR;
   }
 
+  public static class VoiceInteractor.Prompt implements android.os.Parcelable {
+    ctor public VoiceInteractor.Prompt(java.lang.CharSequence[], java.lang.CharSequence);
+    ctor public VoiceInteractor.Prompt(java.lang.CharSequence);
+    method public int countVoicePrompts();
+    method public int describeContents();
+    method public java.lang.CharSequence getVisualPrompt();
+    method public java.lang.CharSequence getVoicePromptAt(int);
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.VoiceInteractor.Prompt> CREATOR;
+  }
+
   public static abstract class VoiceInteractor.Request {
     method public void cancel();
     method public android.app.Activity getActivity();
@@ -5900,6 +5909,26 @@
 
 }
 
+package android.app.assist {
+
+  public final class AssistContent extends android.app.AssistContent implements android.os.Parcelable {
+    ctor public AssistContent(android.os.Parcel);
+    method public int describeContents();
+    method public android.content.Intent getIntent();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.assist.AssistContent> CREATOR;
+  }
+
+  public final class AssistStructure extends android.app.AssistStructure implements android.os.Parcelable {
+    ctor public AssistStructure();
+    method public int describeContents();
+    method public android.app.AssistStructure.WindowNode getWindowNodeAt(int);
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.assist.AssistStructure> CREATOR;
+  }
+
+}
+
 package android.app.backup {
 
   public abstract class BackupAgent extends android.content.ContextWrapper {
@@ -12153,24 +12182,37 @@
     method public abstract void stop();
   }
 
+  public abstract interface Animatable2 implements android.graphics.drawable.Animatable {
+    method public abstract void clearAnimationCallbacks();
+    method public abstract void registerAnimationCallback(android.graphics.drawable.Animatable2.AnimationCallback);
+    method public abstract boolean unregisterAnimationCallback(android.graphics.drawable.Animatable2.AnimationCallback);
+  }
+
+  public static abstract class Animatable2.AnimationCallback {
+    ctor public Animatable2.AnimationCallback();
+    method public void onAnimationEnd(android.graphics.drawable.Drawable);
+    method public void onAnimationStart(android.graphics.drawable.Drawable);
+  }
+
   public class AnimatedStateListDrawable extends android.graphics.drawable.StateListDrawable {
     ctor public AnimatedStateListDrawable();
     method public void addState(int[], android.graphics.drawable.Drawable, int);
     method public void addTransition(int, int, T, boolean);
   }
 
-  public class AnimatedVectorDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Animatable {
+  public class AnimatedVectorDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Animatable2 {
     ctor public AnimatedVectorDrawable();
-    method public void addListener(android.animation.Animator.AnimatorListener);
+    method public void clearAnimationCallbacks();
     method public void draw(android.graphics.Canvas);
-    method public java.util.List<android.animation.Animator.AnimatorListener> getListeners();
     method public int getOpacity();
     method public boolean isRunning();
-    method public void removeListener(android.animation.Animator.AnimatorListener);
+    method public void registerAnimationCallback(android.graphics.drawable.Animatable2.AnimationCallback);
+    method public void reset();
     method public void setAlpha(int);
     method public void setColorFilter(android.graphics.ColorFilter);
     method public void start();
     method public void stop();
+    method public boolean unregisterAnimationCallback(android.graphics.drawable.Animatable2.AnimationCallback);
   }
 
   public class AnimationDrawable extends android.graphics.drawable.DrawableContainer implements android.graphics.drawable.Animatable java.lang.Runnable {
@@ -24463,16 +24505,17 @@
 
   public final class AlarmClock {
     ctor public AlarmClock();
+    field public static final java.lang.String ACTION_DISMISS_ALARM = "android.intent.action.DISMISS_ALARM";
     field public static final java.lang.String ACTION_SET_ALARM = "android.intent.action.SET_ALARM";
     field public static final java.lang.String ACTION_SET_TIMER = "android.intent.action.SET_TIMER";
     field public static final java.lang.String ACTION_SHOW_ALARMS = "android.intent.action.SHOW_ALARMS";
-    field public static final java.lang.String ACTION_VOICE_CANCEL_ALARM = "android.intent.action.VOICE_CANCEL_ALARM";
-    field public static final java.lang.String ACTION_VOICE_DELETE_ALARM = "android.intent.action.VOICE_DELETE_ALARM";
-    field public static final java.lang.String ALARM_SEARCH_MODE_ALL = "all";
-    field public static final java.lang.String ALARM_SEARCH_MODE_NEXT = "next";
-    field public static final java.lang.String ALARM_SEARCH_MODE_NONE = "none";
-    field public static final java.lang.String ALARM_SEARCH_MODE_TIME = "time";
-    field public static final java.lang.String EXTRA_ALARM_SEARCH_MODE = "android.intent.extra.alarm.ALARM_SEARCH_MODE";
+    field public static final java.lang.String ACTION_SNOOZE_ALARM = "android.intent.action.SNOOZE_ALARM";
+    field public static final java.lang.String ALARM_SEARCH_MODE_ALL = "android.all";
+    field public static final java.lang.String ALARM_SEARCH_MODE_LABEL = "android.label";
+    field public static final java.lang.String ALARM_SEARCH_MODE_NEXT = "android.next";
+    field public static final java.lang.String ALARM_SEARCH_MODE_TIME = "android.time";
+    field public static final java.lang.String EXTRA_ALARM_SEARCH_MODE = "android.intent.extra.alarm.SEARCH_MODE";
+    field public static final java.lang.String EXTRA_ALARM_SNOOZE_DURATION = "android.intent.extra.alarm.SNOOZE_DURATION";
     field public static final java.lang.String EXTRA_DAYS = "android.intent.extra.alarm.DAYS";
     field public static final java.lang.String EXTRA_HOUR = "android.intent.extra.alarm.HOUR";
     field public static final java.lang.String EXTRA_IS_PM = "android.intent.extra.alarm.IS_PM";
@@ -26893,8 +26936,7 @@
   public static final class Telephony.Carriers implements android.provider.BaseColumns {
     field public static final java.lang.String APN = "apn";
     field public static final java.lang.String AUTH_TYPE = "authtype";
-    field public static final deprecated java.lang.String BEARER = "bearer";
-    field public static final java.lang.String BEARER_BITMASK = "bearer_bitmask";
+    field public static final java.lang.String BEARER = "bearer";
     field public static final java.lang.String CARRIER_ENABLED = "carrier_enabled";
     field public static final android.net.Uri CONTENT_URI;
     field public static final java.lang.String CURRENT = "current";
@@ -28935,7 +28977,7 @@
     method public android.view.View onCreateContentView();
     method public void onDestroy();
     method public boolean[] onGetSupportedCommands(java.lang.String[]);
-    method public void onHandleAssist(android.os.Bundle, android.app.AssistStructure, android.app.AssistContent);
+    method public void onHandleAssist(android.os.Bundle, android.app.assist.AssistStructure, android.app.assist.AssistContent);
     method public void onHide();
     method public boolean onKeyDown(int, android.view.KeyEvent);
     method public boolean onKeyLongPress(int, android.view.KeyEvent);
@@ -28961,7 +29003,8 @@
   }
 
   public static final class VoiceInteractionSession.AbortVoiceRequest extends android.service.voice.VoiceInteractionSession.Request {
-    method public java.lang.CharSequence getMessage();
+    method public deprecated java.lang.CharSequence getMessage();
+    method public android.app.VoiceInteractor.Prompt getVoicePrompt();
     method public void sendAbortResult(android.os.Bundle);
   }
 
@@ -28972,12 +29015,14 @@
   }
 
   public static final class VoiceInteractionSession.CompleteVoiceRequest extends android.service.voice.VoiceInteractionSession.Request {
-    method public java.lang.CharSequence getMessage();
+    method public deprecated java.lang.CharSequence getMessage();
+    method public android.app.VoiceInteractor.Prompt getVoicePrompt();
     method public void sendCompleteResult(android.os.Bundle);
   }
 
   public static final class VoiceInteractionSession.ConfirmationRequest extends android.service.voice.VoiceInteractionSession.Request {
-    method public java.lang.CharSequence getPrompt();
+    method public deprecated java.lang.CharSequence getPrompt();
+    method public android.app.VoiceInteractor.Prompt getVoicePrompt();
     method public void sendConfirmationResult(boolean, android.os.Bundle);
   }
 
@@ -28993,7 +29038,8 @@
 
   public static final class VoiceInteractionSession.PickOptionRequest extends android.service.voice.VoiceInteractionSession.Request {
     method public android.app.VoiceInteractor.PickOptionRequest.Option[] getOptions();
-    method public java.lang.CharSequence getPrompt();
+    method public deprecated java.lang.CharSequence getPrompt();
+    method public android.app.VoiceInteractor.Prompt getVoicePrompt();
     method public void sendIntermediatePickOptionResult(android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
     method public void sendPickOptionResult(android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
   }
@@ -30630,66 +30676,66 @@
     method public android.os.PersistableBundle getConfigForSubId(int);
     method public void reloadCarrierConfigForSubId(int);
     field public static final java.lang.String ACTION_CARRIER_CONFIG_CHANGED = "android.telephony.action.CARRIER_CONFIG_CHANGED";
-    field public static final java.lang.String BOOL_ADDITIONAL_CALL_SETTING = "bool_additional_call_setting";
-    field public static final java.lang.String BOOL_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG = "bool_allow_emergency_numbers_in_call_log";
-    field public static final java.lang.String BOOL_ALLOW_LOCAL_DTMF_TONES = "bool_allow_local_dtmf_tones";
-    field public static final java.lang.String BOOL_APN_EXPAND = "bool_apn_expand";
-    field public static final java.lang.String BOOL_AUTO_RETRY_ENABLED = "bool_auto_retry_enabled";
-    field public static final java.lang.String BOOL_CARRIER_SETTINGS_ENABLE = "bool_carrier_settings_enable";
-    field public static final java.lang.String BOOL_CARRIER_VOLTE_AVAILABLE = "bool_carrier_volte_available";
-    field public static final java.lang.String BOOL_CARRIER_VOLTE_PROVISIONED = "bool_carrier_volte_provisioned";
-    field public static final java.lang.String BOOL_CARRIER_VOLTE_TTY_SUPPORTED = "bool_carrier_volte_tty_supported";
-    field public static final java.lang.String BOOL_DISABLE_CDMA_ACTIVATION_CODE = "bool_disable_cdma_activation_code";
-    field public static final java.lang.String BOOL_DTMF_TYPE_ENABLED = "bool_dtmf_type_enabled";
-    field public static final java.lang.String BOOL_ENABLE_DIALER_KEY_VIBRATION = "bool_enable_dialer_key_vibration";
-    field public static final java.lang.String BOOL_HAS_IN_CALL_NOISE_SUPPRESSION = "bool_has_in_call_noise_suppression";
-    field public static final java.lang.String BOOL_HIDE_CARRIER_NETWORK_SETTINGS = "bool_hide_carrier_network_settings";
-    field public static final java.lang.String BOOL_IGNORE_SIM_NETWORK_LOCKED_EVENTS = "bool_ignore_sim_network_locked_events";
-    field public static final java.lang.String BOOL_MMS_ALIAS_ENABLED = "aliasEnabled";
-    field public static final java.lang.String BOOL_MMS_ALLOW_ATTACH_AUDIO = "allowAttachAudio";
-    field public static final java.lang.String BOOL_MMS_APPEND_TRANSACTION_ID = "enabledTransID";
-    field public static final java.lang.String BOOL_MMS_GROUP_MMS_ENABLED = "enableGroupMms";
-    field public static final java.lang.String BOOL_MMS_MMS_DELIVERY_REPORT_ENABLED = "enableMMSDeliveryReports";
-    field public static final java.lang.String BOOL_MMS_MMS_ENABLED = "enabledMMS";
-    field public static final java.lang.String BOOL_MMS_MMS_READ_REPORT_ENABLED = "enableMMSReadReports";
-    field public static final java.lang.String BOOL_MMS_MULTIPART_SMS_ENABLED = "enableMultipartSMS";
-    field public static final java.lang.String BOOL_MMS_NOTIFY_WAP_MMSC_ENABLED = "enabledNotifyWapMMSC";
-    field public static final java.lang.String BOOL_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES = "sendMultipartSmsAsSeparateMessages";
-    field public static final java.lang.String BOOL_MMS_SHOW_CELL_BROADCAST_APP_LINKS = "config_cellBroadcastAppLinks";
-    field public static final java.lang.String BOOL_MMS_SMS_DELIVERY_REPORT_ENABLED = "enableSMSDeliveryReports";
-    field public static final java.lang.String BOOL_MMS_SUPPORT_HTTP_CHARSET_HEADER = "supportHttpCharsetHeader";
-    field public static final java.lang.String BOOL_MMS_SUPPORT_MMS_CONTENT_DISPOSITION = "supportMmsContentDisposition";
-    field public static final java.lang.String BOOL_OPERATOR_SELECTION_EXPAND = "bool_operator_selection_expand";
-    field public static final java.lang.String BOOL_PREFER_2G = "bool_prefer_2g";
-    field public static final java.lang.String BOOL_SHOW_APN_SETTING_CDMA = "bool_show_apn_setting_cdma";
-    field public static final java.lang.String BOOL_SHOW_CDMA_CHOICES = "bool_show_cdma_choices";
-    field public static final java.lang.String BOOL_SHOW_ONSCREEN_DIAL_BUTTON = "bool_show_onscreen_dial_button";
-    field public static final java.lang.String BOOL_SIM_NETWORK_UNLOCK_ALLOW_DISMISS = "bool_sim_network_unlock_allow_dismiss";
-    field public static final java.lang.String BOOL_SUPPORT_PAUSE_IMS_VIDEO_CALLS = "bool_support_pause_ims_video_calls";
-    field public static final java.lang.String BOOL_SUPPORT_SWAP_AFTER_MERGE = "bool_support_swap_after_merge";
-    field public static final java.lang.String BOOL_USE_HFA_FOR_PROVISIONING = "bool_use_hfa_for_provisioning";
-    field public static final java.lang.String BOOL_USE_OTASP_FOR_PROVISIONING = "bool_use_otasp_for_provisioning";
-    field public static final java.lang.String BOOL_VOICEMAIL_NOTIFICATION_PERSISTENT = "bool_voicemail_notification_persistent";
-    field public static final java.lang.String BOOL_VOICE_PRIVACY_DISABLE = "bool_voice_privacy_disable";
-    field public static final java.lang.String BOOL_WORLD_PHONE = "bool_world_phone";
-    field public static final java.lang.String INT_MMS_ALIAS_MAX_CHARS = "aliasMaxChars";
-    field public static final java.lang.String INT_MMS_ALIAS_MIN_CHARS = "aliasMinChars";
-    field public static final java.lang.String INT_MMS_HTTP_SOCKET_TIMEOUT = "httpSocketTimeout";
-    field public static final java.lang.String INT_MMS_MAX_IMAGE_HEIGHT = "maxImageHeight";
-    field public static final java.lang.String INT_MMS_MAX_IMAGE_WIDTH = "maxImageWidth";
-    field public static final java.lang.String INT_MMS_MAX_MESSAGE_SIZE = "maxMessageSize";
-    field public static final java.lang.String INT_MMS_MESSAGE_TEXT_MAX_SIZE = "maxMessageTextSize";
-    field public static final java.lang.String INT_MMS_RECIPIENT_LIMIT = "recipientLimit";
-    field public static final java.lang.String INT_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD = "smsToMmsTextLengthThreshold";
-    field public static final java.lang.String INT_MMS_SMS_TO_MMS_TEXT_THRESHOLD = "smsToMmsTextThreshold";
-    field public static final java.lang.String INT_MMS_SUBJECT_MAX_LENGTH = "maxSubjectLength";
-    field public static final java.lang.String INT_VOLTE_REPLACEMENT_RAT = "int_volte_replacement_rat";
-    field public static final java.lang.String STRING_MMS_EMAIL_GATEWAY_NUMBER = "emailGatewayNumber";
-    field public static final java.lang.String STRING_MMS_HTTP_PARAMS = "httpParams";
-    field public static final java.lang.String STRING_MMS_NAI_SUFFIX = "naiSuffix";
-    field public static final java.lang.String STRING_MMS_UA_PROF_TAG_NAME = "uaProfTagName";
-    field public static final java.lang.String STRING_MMS_UA_PROF_URL = "uaProfUrl";
-    field public static final java.lang.String STRING_MMS_USER_AGENT = "userAgent";
+    field public static final java.lang.String KEY_ADDITIONAL_CALL_SETTING_BOOL = "additional_call_setting_bool";
+    field public static final java.lang.String KEY_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG_BOOL = "allow_emergency_numbers_in_call_log_bool";
+    field public static final java.lang.String KEY_ALLOW_LOCAL_DTMF_TONES_BOOL = "allow_local_dtmf_tones_bool";
+    field public static final java.lang.String KEY_APN_EXPAND_BOOL = "apn_expand_bool";
+    field public static final java.lang.String KEY_AUTO_RETRY_ENABLED_BOOL = "auto_retry_enabled_bool";
+    field public static final java.lang.String KEY_CARRIER_SETTINGS_ENABLE_BOOL = "carrier_settings_enable_bool";
+    field public static final java.lang.String KEY_CARRIER_VOLTE_AVAILABLE_BOOL = "carrier_volte_available_bool";
+    field public static final java.lang.String KEY_CARRIER_VOLTE_PROVISIONED_BOOL = "carrier_volte_provisioned_bool";
+    field public static final java.lang.String KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL = "carrier_volte_tty_supported_bool";
+    field public static final java.lang.String KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL = "disable_cdma_activation_code_bool";
+    field public static final java.lang.String KEY_DTMF_TYPE_ENABLED_BOOL = "dtmf_type_enabled_bool";
+    field public static final java.lang.String KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL = "key_enable_dialer_vibration_bool";
+    field public static final java.lang.String KEY_HAS_IN_CALL_NOISE_SUPPRESSION_BOOL = "has_in_call_noise_suppression_bool";
+    field public static final java.lang.String KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL = "hide_carrier_network_settings_bool";
+    field public static final java.lang.String KEY_IGNORE_SIM_NETWORK_LOCKED_EVENTS_BOOL = "ignore_sim_network_locked_events_bool";
+    field public static final java.lang.String KEY_MMS_ALIAS_ENABLED_BOOL = "aliasEnabled";
+    field public static final java.lang.String KEY_MMS_ALIAS_MAX_CHARS_INT = "aliasMaxChars";
+    field public static final java.lang.String KEY_MMS_ALIAS_MIN_CHARS_INT = "aliasMinChars";
+    field public static final java.lang.String KEY_MMS_ALLOW_ATTACH_AUDIO_BOOL = "allowAttachAudio";
+    field public static final java.lang.String KEY_MMS_APPEND_TRANSACTION_ID_BOOL = "enabledTransID";
+    field public static final java.lang.String KEY_MMS_EMAIL_GATEWAY_NUMBER_STRING = "emailGatewayNumber";
+    field public static final java.lang.String KEY_MMS_GROUP_MMS_ENABLED_BOOL = "enableGroupMms";
+    field public static final java.lang.String KEY_MMS_HTTP_PARAMS_STRING = "httpParams";
+    field public static final java.lang.String KEY_MMS_HTTP_SOCKET_TIMEOUT_INT = "httpSocketTimeout";
+    field public static final java.lang.String KEY_MMS_MAX_IMAGE_HEIGHT_INT = "maxImageHeight";
+    field public static final java.lang.String KEY_MMS_MAX_IMAGE_WIDTH_INT = "maxImageWidth";
+    field public static final java.lang.String KEY_MMS_MAX_MESSAGE_SIZE_INT = "maxMessageSize";
+    field public static final java.lang.String KEY_MMS_MESSAGE_TEXT_MAX_SIZE_INT = "maxMessageTextSize";
+    field public static final java.lang.String KEY_MMS_MMS_DELIVERY_REPORT_ENABLED_BOOL = "enableMMSDeliveryReports";
+    field public static final java.lang.String KEY_MMS_MMS_ENABLED_BOOL = "enabledMMS";
+    field public static final java.lang.String KEY_MMS_MMS_READ_REPORT_ENABLED_BOOL = "enableMMSReadReports";
+    field public static final java.lang.String KEY_MMS_MULTIPART_SMS_ENABLED_BOOL = "enableMultipartSMS";
+    field public static final java.lang.String KEY_MMS_NAI_SUFFIX_STRING = "naiSuffix";
+    field public static final java.lang.String KEY_MMS_NOTIFY_WAP_MMSC_ENABLED_BOOL = "enabledNotifyWapMMSC";
+    field public static final java.lang.String KEY_MMS_RECIPIENT_LIMIT_INT = "recipientLimit";
+    field public static final java.lang.String KEY_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES_BOOL = "sendMultipartSmsAsSeparateMessages";
+    field public static final java.lang.String KEY_MMS_SHOW_CELL_BROADCAST_APP_LINKS_BOOL = "config_cellBroadcastAppLinks";
+    field public static final java.lang.String KEY_MMS_SMS_DELIVERY_REPORT_ENABLED_BOOL = "enableSMSDeliveryReports";
+    field public static final java.lang.String KEY_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD_INT = "smsToMmsTextLengthThreshold";
+    field public static final java.lang.String KEY_MMS_SMS_TO_MMS_TEXT_THRESHOLD_INT = "smsToMmsTextThreshold";
+    field public static final java.lang.String KEY_MMS_SUBJECT_MAX_LENGTH_INT = "maxSubjectLength";
+    field public static final java.lang.String KEY_MMS_SUPPORT_HTTP_CHARSET_HEADER_BOOL = "supportHttpCharsetHeader";
+    field public static final java.lang.String KEY_MMS_SUPPORT_MMS_CONTENT_DISPOSITION_BOOL = "supportMmsContentDisposition";
+    field public static final java.lang.String KEY_MMS_UA_PROF_TAG_NAME_STRING = "uaProfTagName";
+    field public static final java.lang.String KEY_MMS_UA_PROF_URL_STRING = "uaProfUrl";
+    field public static final java.lang.String KEY_MMS_USER_AGENT_STRING = "userAgent";
+    field public static final java.lang.String KEY_OPERATOR_SELECTION_EXPAND_BOOL = "operator_selection_expand_bool";
+    field public static final java.lang.String KEY_PREFER_2G_BOOL = "prefer_2g_bool";
+    field public static final java.lang.String KEY_SHOW_APN_SETTING_CDMA_BOOL = "show_apn_setting_cdma_bool";
+    field public static final java.lang.String KEY_SHOW_CDMA_CHOICES_BOOL = "show_cdma_choices_bool";
+    field public static final java.lang.String KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL = "show_onscreen_dial_button_bool";
+    field public static final java.lang.String KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL = "sim_network_unlock_allow_dismiss_bool";
+    field public static final java.lang.String KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL = "support_pause_ims_video_calls_bool";
+    field public static final java.lang.String KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL = "support_swap_after_merge_bool";
+    field public static final java.lang.String KEY_USE_HFA_FOR_PROVISIONING_BOOL = "use_hfa_for_provisioning_bool";
+    field public static final java.lang.String KEY_USE_OTASP_FOR_PROVISIONING_BOOL = "use_otasp_for_provisioning_bool";
+    field public static final java.lang.String KEY_VOICEMAIL_NOTIFICATION_PERSISTENT_BOOL = "voicemail_notification_persistent_bool";
+    field public static final java.lang.String KEY_VOICE_PRIVACY_DISABLE_BOOL = "voice_privacy_disable_bool";
+    field public static final java.lang.String KEY_VOLTE_REPLACEMENT_RAT_INT = "volte_replacement_rat_int";
+    field public static final java.lang.String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
 
   public final class CellIdentityCdma implements android.os.Parcelable {
@@ -33989,6 +34035,7 @@
     method public void setTo(android.util.DisplayMetrics);
     method public void setToDefaults();
     field public static final int DENSITY_280 = 280; // 0x118
+    field public static final int DENSITY_360 = 360; // 0x168
     field public static final int DENSITY_400 = 400; // 0x190
     field public static final int DENSITY_560 = 560; // 0x230
     field public static final int DENSITY_DEFAULT = 160; // 0xa0
@@ -35971,7 +36018,6 @@
     method public android.view.animation.Animation getAnimation();
     method public android.os.IBinder getApplicationWindowToken();
     method public android.graphics.drawable.Drawable getBackground();
-    method public int getBackgroundColor();
     method public android.content.res.ColorStateList getBackgroundTintList();
     method public android.graphics.PorterDuff.Mode getBackgroundTintMode();
     method public int getBaseline();
@@ -41527,6 +41573,7 @@
     method public int getCompoundPaddingTop();
     method public final int getCurrentHintTextColor();
     method public final int getCurrentTextColor();
+    method public android.view.ActionMode.Callback getCustomInsertionActionModeCallback();
     method public android.view.ActionMode.Callback getCustomSelectionActionModeCallback();
     method protected boolean getDefaultEditable();
     method protected android.text.method.MovementMethod getDefaultMovementMethod();
@@ -41629,6 +41676,7 @@
     method public void setCompoundDrawablesWithIntrinsicBounds(int, int, int, int);
     method public void setCompoundDrawablesWithIntrinsicBounds(android.graphics.drawable.Drawable, android.graphics.drawable.Drawable, android.graphics.drawable.Drawable, android.graphics.drawable.Drawable);
     method public void setCursorVisible(boolean);
+    method public void setCustomInsertionActionModeCallback(android.view.ActionMode.Callback);
     method public void setCustomSelectionActionModeCallback(android.view.ActionMode.Callback);
     method public final void setEditableFactory(android.text.Editable.Factory);
     method public void setElegantTextHeight(boolean);
diff --git a/api/system-current.txt b/api/system-current.txt
index 32af01c..7b5417b 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -3531,7 +3531,7 @@
     method public void onPrepareNavigateUpTaskStack(android.app.TaskStackBuilder);
     method public boolean onPrepareOptionsMenu(android.view.Menu);
     method public boolean onPreparePanel(int, android.view.View, android.view.Menu);
-    method public void onProvideAssistContent(android.app.AssistContent);
+    method public void onProvideAssistContent(android.app.assist.AssistContent);
     method public void onProvideAssistData(android.os.Bundle);
     method public void onRequestPermissionsResult(int, java.lang.String[], int[]);
     method protected void onRestart();
@@ -4092,26 +4092,20 @@
     field public java.lang.String serviceDetails;
   }
 
-  public class AssistContent implements android.os.Parcelable {
+  public deprecated class AssistContent {
     ctor public AssistContent();
-    method public int describeContents();
     method public android.content.ClipData getClipData();
-    method public android.content.Intent getIntent();
     method public android.net.Uri getWebUri();
+    method public boolean isAppProvidedIntent();
     method public void setClipData(android.content.ClipData);
     method public void setIntent(android.content.Intent);
     method public void setWebUri(android.net.Uri);
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.os.Parcelable.Creator<android.app.AssistContent> CREATOR;
   }
 
-  public final class AssistStructure implements android.os.Parcelable {
-    method public int describeContents();
+  public deprecated class AssistStructure {
+    ctor public AssistStructure();
     method public android.content.ComponentName getActivityComponent();
-    method public android.app.AssistStructure.WindowNode getWindowNodeAt(int);
     method public int getWindowNodeCount();
-    method public void writeToParcel(android.os.Parcel, int);
-    field public static final android.os.Parcelable.Creator<android.app.AssistStructure> CREATOR;
   }
 
   public static class AssistStructure.ViewNode {
@@ -5601,7 +5595,8 @@
   }
 
   public static class VoiceInteractor.AbortVoiceRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.AbortVoiceRequest(java.lang.CharSequence, android.os.Bundle);
+    ctor public VoiceInteractor.AbortVoiceRequest(android.app.VoiceInteractor.Prompt, android.os.Bundle);
+    ctor public deprecated VoiceInteractor.AbortVoiceRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onAbortResult(android.os.Bundle);
   }
 
@@ -5611,17 +5606,20 @@
   }
 
   public static class VoiceInteractor.CompleteVoiceRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.CompleteVoiceRequest(java.lang.CharSequence, android.os.Bundle);
+    ctor public VoiceInteractor.CompleteVoiceRequest(android.app.VoiceInteractor.Prompt, android.os.Bundle);
+    ctor public deprecated VoiceInteractor.CompleteVoiceRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onCompleteResult(android.os.Bundle);
   }
 
   public static class VoiceInteractor.ConfirmationRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.ConfirmationRequest(java.lang.CharSequence, android.os.Bundle);
+    ctor public VoiceInteractor.ConfirmationRequest(android.app.VoiceInteractor.Prompt, android.os.Bundle);
+    ctor public deprecated VoiceInteractor.ConfirmationRequest(java.lang.CharSequence, android.os.Bundle);
     method public void onConfirmationResult(boolean, android.os.Bundle);
   }
 
   public static class VoiceInteractor.PickOptionRequest extends android.app.VoiceInteractor.Request {
-    ctor public VoiceInteractor.PickOptionRequest(java.lang.CharSequence, android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
+    ctor public VoiceInteractor.PickOptionRequest(android.app.VoiceInteractor.Prompt, android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
+    ctor public deprecated VoiceInteractor.PickOptionRequest(java.lang.CharSequence, android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
     method public void onPickOptionResult(boolean, android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
   }
 
@@ -5640,6 +5638,17 @@
     field public static final android.os.Parcelable.Creator<android.app.VoiceInteractor.PickOptionRequest.Option> CREATOR;
   }
 
+  public static class VoiceInteractor.Prompt implements android.os.Parcelable {
+    ctor public VoiceInteractor.Prompt(java.lang.CharSequence[], java.lang.CharSequence);
+    ctor public VoiceInteractor.Prompt(java.lang.CharSequence);
+    method public int countVoicePrompts();
+    method public int describeContents();
+    method public java.lang.CharSequence getVisualPrompt();
+    method public java.lang.CharSequence getVoicePromptAt(int);
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.VoiceInteractor.Prompt> CREATOR;
+  }
+
   public static abstract class VoiceInteractor.Request {
     method public void cancel();
     method public android.app.Activity getActivity();
@@ -6015,6 +6024,26 @@
 
 }
 
+package android.app.assist {
+
+  public final class AssistContent extends android.app.AssistContent implements android.os.Parcelable {
+    ctor public AssistContent(android.os.Parcel);
+    method public int describeContents();
+    method public android.content.Intent getIntent();
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.assist.AssistContent> CREATOR;
+  }
+
+  public final class AssistStructure extends android.app.AssistStructure implements android.os.Parcelable {
+    ctor public AssistStructure();
+    method public int describeContents();
+    method public android.app.AssistStructure.WindowNode getWindowNodeAt(int);
+    method public void writeToParcel(android.os.Parcel, int);
+    field public static final android.os.Parcelable.Creator<android.app.assist.AssistStructure> CREATOR;
+  }
+
+}
+
 package android.app.backup {
 
   public abstract class BackupAgent extends android.content.ContextWrapper {
@@ -12466,24 +12495,37 @@
     method public abstract void stop();
   }
 
+  public abstract interface Animatable2 implements android.graphics.drawable.Animatable {
+    method public abstract void clearAnimationCallbacks();
+    method public abstract void registerAnimationCallback(android.graphics.drawable.Animatable2.AnimationCallback);
+    method public abstract boolean unregisterAnimationCallback(android.graphics.drawable.Animatable2.AnimationCallback);
+  }
+
+  public static abstract class Animatable2.AnimationCallback {
+    ctor public Animatable2.AnimationCallback();
+    method public void onAnimationEnd(android.graphics.drawable.Drawable);
+    method public void onAnimationStart(android.graphics.drawable.Drawable);
+  }
+
   public class AnimatedStateListDrawable extends android.graphics.drawable.StateListDrawable {
     ctor public AnimatedStateListDrawable();
     method public void addState(int[], android.graphics.drawable.Drawable, int);
     method public void addTransition(int, int, T, boolean);
   }
 
-  public class AnimatedVectorDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Animatable {
+  public class AnimatedVectorDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Animatable2 {
     ctor public AnimatedVectorDrawable();
-    method public void addListener(android.animation.Animator.AnimatorListener);
+    method public void clearAnimationCallbacks();
     method public void draw(android.graphics.Canvas);
-    method public java.util.List<android.animation.Animator.AnimatorListener> getListeners();
     method public int getOpacity();
     method public boolean isRunning();
-    method public void removeListener(android.animation.Animator.AnimatorListener);
+    method public void registerAnimationCallback(android.graphics.drawable.Animatable2.AnimationCallback);
+    method public void reset();
     method public void setAlpha(int);
     method public void setColorFilter(android.graphics.ColorFilter);
     method public void start();
     method public void stop();
+    method public boolean unregisterAnimationCallback(android.graphics.drawable.Animatable2.AnimationCallback);
   }
 
   public class AnimationDrawable extends android.graphics.drawable.DrawableContainer implements android.graphics.drawable.Animatable java.lang.Runnable {
@@ -26393,16 +26435,17 @@
 
   public final class AlarmClock {
     ctor public AlarmClock();
+    field public static final java.lang.String ACTION_DISMISS_ALARM = "android.intent.action.DISMISS_ALARM";
     field public static final java.lang.String ACTION_SET_ALARM = "android.intent.action.SET_ALARM";
     field public static final java.lang.String ACTION_SET_TIMER = "android.intent.action.SET_TIMER";
     field public static final java.lang.String ACTION_SHOW_ALARMS = "android.intent.action.SHOW_ALARMS";
-    field public static final java.lang.String ACTION_VOICE_CANCEL_ALARM = "android.intent.action.VOICE_CANCEL_ALARM";
-    field public static final java.lang.String ACTION_VOICE_DELETE_ALARM = "android.intent.action.VOICE_DELETE_ALARM";
-    field public static final java.lang.String ALARM_SEARCH_MODE_ALL = "all";
-    field public static final java.lang.String ALARM_SEARCH_MODE_NEXT = "next";
-    field public static final java.lang.String ALARM_SEARCH_MODE_NONE = "none";
-    field public static final java.lang.String ALARM_SEARCH_MODE_TIME = "time";
-    field public static final java.lang.String EXTRA_ALARM_SEARCH_MODE = "android.intent.extra.alarm.ALARM_SEARCH_MODE";
+    field public static final java.lang.String ACTION_SNOOZE_ALARM = "android.intent.action.SNOOZE_ALARM";
+    field public static final java.lang.String ALARM_SEARCH_MODE_ALL = "android.all";
+    field public static final java.lang.String ALARM_SEARCH_MODE_LABEL = "android.label";
+    field public static final java.lang.String ALARM_SEARCH_MODE_NEXT = "android.next";
+    field public static final java.lang.String ALARM_SEARCH_MODE_TIME = "android.time";
+    field public static final java.lang.String EXTRA_ALARM_SEARCH_MODE = "android.intent.extra.alarm.SEARCH_MODE";
+    field public static final java.lang.String EXTRA_ALARM_SNOOZE_DURATION = "android.intent.extra.alarm.SNOOZE_DURATION";
     field public static final java.lang.String EXTRA_DAYS = "android.intent.extra.alarm.DAYS";
     field public static final java.lang.String EXTRA_HOUR = "android.intent.extra.alarm.HOUR";
     field public static final java.lang.String EXTRA_IS_PM = "android.intent.extra.alarm.IS_PM";
@@ -28926,8 +28969,7 @@
   public static final class Telephony.Carriers implements android.provider.BaseColumns {
     field public static final java.lang.String APN = "apn";
     field public static final java.lang.String AUTH_TYPE = "authtype";
-    field public static final deprecated java.lang.String BEARER = "bearer";
-    field public static final java.lang.String BEARER_BITMASK = "bearer_bitmask";
+    field public static final java.lang.String BEARER = "bearer";
     field public static final java.lang.String CARRIER_ENABLED = "carrier_enabled";
     field public static final android.net.Uri CONTENT_URI;
     field public static final java.lang.String CURRENT = "current";
@@ -31068,7 +31110,7 @@
     method public android.view.View onCreateContentView();
     method public void onDestroy();
     method public boolean[] onGetSupportedCommands(java.lang.String[]);
-    method public void onHandleAssist(android.os.Bundle, android.app.AssistStructure, android.app.AssistContent);
+    method public void onHandleAssist(android.os.Bundle, android.app.assist.AssistStructure, android.app.assist.AssistContent);
     method public void onHide();
     method public boolean onKeyDown(int, android.view.KeyEvent);
     method public boolean onKeyLongPress(int, android.view.KeyEvent);
@@ -31094,7 +31136,8 @@
   }
 
   public static final class VoiceInteractionSession.AbortVoiceRequest extends android.service.voice.VoiceInteractionSession.Request {
-    method public java.lang.CharSequence getMessage();
+    method public deprecated java.lang.CharSequence getMessage();
+    method public android.app.VoiceInteractor.Prompt getVoicePrompt();
     method public void sendAbortResult(android.os.Bundle);
   }
 
@@ -31105,12 +31148,14 @@
   }
 
   public static final class VoiceInteractionSession.CompleteVoiceRequest extends android.service.voice.VoiceInteractionSession.Request {
-    method public java.lang.CharSequence getMessage();
+    method public deprecated java.lang.CharSequence getMessage();
+    method public android.app.VoiceInteractor.Prompt getVoicePrompt();
     method public void sendCompleteResult(android.os.Bundle);
   }
 
   public static final class VoiceInteractionSession.ConfirmationRequest extends android.service.voice.VoiceInteractionSession.Request {
-    method public java.lang.CharSequence getPrompt();
+    method public deprecated java.lang.CharSequence getPrompt();
+    method public android.app.VoiceInteractor.Prompt getVoicePrompt();
     method public void sendConfirmationResult(boolean, android.os.Bundle);
   }
 
@@ -31126,7 +31171,8 @@
 
   public static final class VoiceInteractionSession.PickOptionRequest extends android.service.voice.VoiceInteractionSession.Request {
     method public android.app.VoiceInteractor.PickOptionRequest.Option[] getOptions();
-    method public java.lang.CharSequence getPrompt();
+    method public deprecated java.lang.CharSequence getPrompt();
+    method public android.app.VoiceInteractor.Prompt getVoicePrompt();
     method public void sendIntermediatePickOptionResult(android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
     method public void sendPickOptionResult(android.app.VoiceInteractor.PickOptionRequest.Option[], android.os.Bundle);
   }
@@ -32846,66 +32892,66 @@
     method public void reloadCarrierConfigForSubId(int);
     method public void updateConfigForPhoneId(int, java.lang.String);
     field public static final java.lang.String ACTION_CARRIER_CONFIG_CHANGED = "android.telephony.action.CARRIER_CONFIG_CHANGED";
-    field public static final java.lang.String BOOL_ADDITIONAL_CALL_SETTING = "bool_additional_call_setting";
-    field public static final java.lang.String BOOL_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG = "bool_allow_emergency_numbers_in_call_log";
-    field public static final java.lang.String BOOL_ALLOW_LOCAL_DTMF_TONES = "bool_allow_local_dtmf_tones";
-    field public static final java.lang.String BOOL_APN_EXPAND = "bool_apn_expand";
-    field public static final java.lang.String BOOL_AUTO_RETRY_ENABLED = "bool_auto_retry_enabled";
-    field public static final java.lang.String BOOL_CARRIER_SETTINGS_ENABLE = "bool_carrier_settings_enable";
-    field public static final java.lang.String BOOL_CARRIER_VOLTE_AVAILABLE = "bool_carrier_volte_available";
-    field public static final java.lang.String BOOL_CARRIER_VOLTE_PROVISIONED = "bool_carrier_volte_provisioned";
-    field public static final java.lang.String BOOL_CARRIER_VOLTE_TTY_SUPPORTED = "bool_carrier_volte_tty_supported";
-    field public static final java.lang.String BOOL_DISABLE_CDMA_ACTIVATION_CODE = "bool_disable_cdma_activation_code";
-    field public static final java.lang.String BOOL_DTMF_TYPE_ENABLED = "bool_dtmf_type_enabled";
-    field public static final java.lang.String BOOL_ENABLE_DIALER_KEY_VIBRATION = "bool_enable_dialer_key_vibration";
-    field public static final java.lang.String BOOL_HAS_IN_CALL_NOISE_SUPPRESSION = "bool_has_in_call_noise_suppression";
-    field public static final java.lang.String BOOL_HIDE_CARRIER_NETWORK_SETTINGS = "bool_hide_carrier_network_settings";
-    field public static final java.lang.String BOOL_IGNORE_SIM_NETWORK_LOCKED_EVENTS = "bool_ignore_sim_network_locked_events";
-    field public static final java.lang.String BOOL_MMS_ALIAS_ENABLED = "aliasEnabled";
-    field public static final java.lang.String BOOL_MMS_ALLOW_ATTACH_AUDIO = "allowAttachAudio";
-    field public static final java.lang.String BOOL_MMS_APPEND_TRANSACTION_ID = "enabledTransID";
-    field public static final java.lang.String BOOL_MMS_GROUP_MMS_ENABLED = "enableGroupMms";
-    field public static final java.lang.String BOOL_MMS_MMS_DELIVERY_REPORT_ENABLED = "enableMMSDeliveryReports";
-    field public static final java.lang.String BOOL_MMS_MMS_ENABLED = "enabledMMS";
-    field public static final java.lang.String BOOL_MMS_MMS_READ_REPORT_ENABLED = "enableMMSReadReports";
-    field public static final java.lang.String BOOL_MMS_MULTIPART_SMS_ENABLED = "enableMultipartSMS";
-    field public static final java.lang.String BOOL_MMS_NOTIFY_WAP_MMSC_ENABLED = "enabledNotifyWapMMSC";
-    field public static final java.lang.String BOOL_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES = "sendMultipartSmsAsSeparateMessages";
-    field public static final java.lang.String BOOL_MMS_SHOW_CELL_BROADCAST_APP_LINKS = "config_cellBroadcastAppLinks";
-    field public static final java.lang.String BOOL_MMS_SMS_DELIVERY_REPORT_ENABLED = "enableSMSDeliveryReports";
-    field public static final java.lang.String BOOL_MMS_SUPPORT_HTTP_CHARSET_HEADER = "supportHttpCharsetHeader";
-    field public static final java.lang.String BOOL_MMS_SUPPORT_MMS_CONTENT_DISPOSITION = "supportMmsContentDisposition";
-    field public static final java.lang.String BOOL_OPERATOR_SELECTION_EXPAND = "bool_operator_selection_expand";
-    field public static final java.lang.String BOOL_PREFER_2G = "bool_prefer_2g";
-    field public static final java.lang.String BOOL_SHOW_APN_SETTING_CDMA = "bool_show_apn_setting_cdma";
-    field public static final java.lang.String BOOL_SHOW_CDMA_CHOICES = "bool_show_cdma_choices";
-    field public static final java.lang.String BOOL_SHOW_ONSCREEN_DIAL_BUTTON = "bool_show_onscreen_dial_button";
-    field public static final java.lang.String BOOL_SIM_NETWORK_UNLOCK_ALLOW_DISMISS = "bool_sim_network_unlock_allow_dismiss";
-    field public static final java.lang.String BOOL_SUPPORT_PAUSE_IMS_VIDEO_CALLS = "bool_support_pause_ims_video_calls";
-    field public static final java.lang.String BOOL_SUPPORT_SWAP_AFTER_MERGE = "bool_support_swap_after_merge";
-    field public static final java.lang.String BOOL_USE_HFA_FOR_PROVISIONING = "bool_use_hfa_for_provisioning";
-    field public static final java.lang.String BOOL_USE_OTASP_FOR_PROVISIONING = "bool_use_otasp_for_provisioning";
-    field public static final java.lang.String BOOL_VOICEMAIL_NOTIFICATION_PERSISTENT = "bool_voicemail_notification_persistent";
-    field public static final java.lang.String BOOL_VOICE_PRIVACY_DISABLE = "bool_voice_privacy_disable";
-    field public static final java.lang.String BOOL_WORLD_PHONE = "bool_world_phone";
-    field public static final java.lang.String INT_MMS_ALIAS_MAX_CHARS = "aliasMaxChars";
-    field public static final java.lang.String INT_MMS_ALIAS_MIN_CHARS = "aliasMinChars";
-    field public static final java.lang.String INT_MMS_HTTP_SOCKET_TIMEOUT = "httpSocketTimeout";
-    field public static final java.lang.String INT_MMS_MAX_IMAGE_HEIGHT = "maxImageHeight";
-    field public static final java.lang.String INT_MMS_MAX_IMAGE_WIDTH = "maxImageWidth";
-    field public static final java.lang.String INT_MMS_MAX_MESSAGE_SIZE = "maxMessageSize";
-    field public static final java.lang.String INT_MMS_MESSAGE_TEXT_MAX_SIZE = "maxMessageTextSize";
-    field public static final java.lang.String INT_MMS_RECIPIENT_LIMIT = "recipientLimit";
-    field public static final java.lang.String INT_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD = "smsToMmsTextLengthThreshold";
-    field public static final java.lang.String INT_MMS_SMS_TO_MMS_TEXT_THRESHOLD = "smsToMmsTextThreshold";
-    field public static final java.lang.String INT_MMS_SUBJECT_MAX_LENGTH = "maxSubjectLength";
-    field public static final java.lang.String INT_VOLTE_REPLACEMENT_RAT = "int_volte_replacement_rat";
-    field public static final java.lang.String STRING_MMS_EMAIL_GATEWAY_NUMBER = "emailGatewayNumber";
-    field public static final java.lang.String STRING_MMS_HTTP_PARAMS = "httpParams";
-    field public static final java.lang.String STRING_MMS_NAI_SUFFIX = "naiSuffix";
-    field public static final java.lang.String STRING_MMS_UA_PROF_TAG_NAME = "uaProfTagName";
-    field public static final java.lang.String STRING_MMS_UA_PROF_URL = "uaProfUrl";
-    field public static final java.lang.String STRING_MMS_USER_AGENT = "userAgent";
+    field public static final java.lang.String KEY_ADDITIONAL_CALL_SETTING_BOOL = "additional_call_setting_bool";
+    field public static final java.lang.String KEY_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG_BOOL = "allow_emergency_numbers_in_call_log_bool";
+    field public static final java.lang.String KEY_ALLOW_LOCAL_DTMF_TONES_BOOL = "allow_local_dtmf_tones_bool";
+    field public static final java.lang.String KEY_APN_EXPAND_BOOL = "apn_expand_bool";
+    field public static final java.lang.String KEY_AUTO_RETRY_ENABLED_BOOL = "auto_retry_enabled_bool";
+    field public static final java.lang.String KEY_CARRIER_SETTINGS_ENABLE_BOOL = "carrier_settings_enable_bool";
+    field public static final java.lang.String KEY_CARRIER_VOLTE_AVAILABLE_BOOL = "carrier_volte_available_bool";
+    field public static final java.lang.String KEY_CARRIER_VOLTE_PROVISIONED_BOOL = "carrier_volte_provisioned_bool";
+    field public static final java.lang.String KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL = "carrier_volte_tty_supported_bool";
+    field public static final java.lang.String KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL = "disable_cdma_activation_code_bool";
+    field public static final java.lang.String KEY_DTMF_TYPE_ENABLED_BOOL = "dtmf_type_enabled_bool";
+    field public static final java.lang.String KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL = "key_enable_dialer_vibration_bool";
+    field public static final java.lang.String KEY_HAS_IN_CALL_NOISE_SUPPRESSION_BOOL = "has_in_call_noise_suppression_bool";
+    field public static final java.lang.String KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL = "hide_carrier_network_settings_bool";
+    field public static final java.lang.String KEY_IGNORE_SIM_NETWORK_LOCKED_EVENTS_BOOL = "ignore_sim_network_locked_events_bool";
+    field public static final java.lang.String KEY_MMS_ALIAS_ENABLED_BOOL = "aliasEnabled";
+    field public static final java.lang.String KEY_MMS_ALIAS_MAX_CHARS_INT = "aliasMaxChars";
+    field public static final java.lang.String KEY_MMS_ALIAS_MIN_CHARS_INT = "aliasMinChars";
+    field public static final java.lang.String KEY_MMS_ALLOW_ATTACH_AUDIO_BOOL = "allowAttachAudio";
+    field public static final java.lang.String KEY_MMS_APPEND_TRANSACTION_ID_BOOL = "enabledTransID";
+    field public static final java.lang.String KEY_MMS_EMAIL_GATEWAY_NUMBER_STRING = "emailGatewayNumber";
+    field public static final java.lang.String KEY_MMS_GROUP_MMS_ENABLED_BOOL = "enableGroupMms";
+    field public static final java.lang.String KEY_MMS_HTTP_PARAMS_STRING = "httpParams";
+    field public static final java.lang.String KEY_MMS_HTTP_SOCKET_TIMEOUT_INT = "httpSocketTimeout";
+    field public static final java.lang.String KEY_MMS_MAX_IMAGE_HEIGHT_INT = "maxImageHeight";
+    field public static final java.lang.String KEY_MMS_MAX_IMAGE_WIDTH_INT = "maxImageWidth";
+    field public static final java.lang.String KEY_MMS_MAX_MESSAGE_SIZE_INT = "maxMessageSize";
+    field public static final java.lang.String KEY_MMS_MESSAGE_TEXT_MAX_SIZE_INT = "maxMessageTextSize";
+    field public static final java.lang.String KEY_MMS_MMS_DELIVERY_REPORT_ENABLED_BOOL = "enableMMSDeliveryReports";
+    field public static final java.lang.String KEY_MMS_MMS_ENABLED_BOOL = "enabledMMS";
+    field public static final java.lang.String KEY_MMS_MMS_READ_REPORT_ENABLED_BOOL = "enableMMSReadReports";
+    field public static final java.lang.String KEY_MMS_MULTIPART_SMS_ENABLED_BOOL = "enableMultipartSMS";
+    field public static final java.lang.String KEY_MMS_NAI_SUFFIX_STRING = "naiSuffix";
+    field public static final java.lang.String KEY_MMS_NOTIFY_WAP_MMSC_ENABLED_BOOL = "enabledNotifyWapMMSC";
+    field public static final java.lang.String KEY_MMS_RECIPIENT_LIMIT_INT = "recipientLimit";
+    field public static final java.lang.String KEY_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES_BOOL = "sendMultipartSmsAsSeparateMessages";
+    field public static final java.lang.String KEY_MMS_SHOW_CELL_BROADCAST_APP_LINKS_BOOL = "config_cellBroadcastAppLinks";
+    field public static final java.lang.String KEY_MMS_SMS_DELIVERY_REPORT_ENABLED_BOOL = "enableSMSDeliveryReports";
+    field public static final java.lang.String KEY_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD_INT = "smsToMmsTextLengthThreshold";
+    field public static final java.lang.String KEY_MMS_SMS_TO_MMS_TEXT_THRESHOLD_INT = "smsToMmsTextThreshold";
+    field public static final java.lang.String KEY_MMS_SUBJECT_MAX_LENGTH_INT = "maxSubjectLength";
+    field public static final java.lang.String KEY_MMS_SUPPORT_HTTP_CHARSET_HEADER_BOOL = "supportHttpCharsetHeader";
+    field public static final java.lang.String KEY_MMS_SUPPORT_MMS_CONTENT_DISPOSITION_BOOL = "supportMmsContentDisposition";
+    field public static final java.lang.String KEY_MMS_UA_PROF_TAG_NAME_STRING = "uaProfTagName";
+    field public static final java.lang.String KEY_MMS_UA_PROF_URL_STRING = "uaProfUrl";
+    field public static final java.lang.String KEY_MMS_USER_AGENT_STRING = "userAgent";
+    field public static final java.lang.String KEY_OPERATOR_SELECTION_EXPAND_BOOL = "operator_selection_expand_bool";
+    field public static final java.lang.String KEY_PREFER_2G_BOOL = "prefer_2g_bool";
+    field public static final java.lang.String KEY_SHOW_APN_SETTING_CDMA_BOOL = "show_apn_setting_cdma_bool";
+    field public static final java.lang.String KEY_SHOW_CDMA_CHOICES_BOOL = "show_cdma_choices_bool";
+    field public static final java.lang.String KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL = "show_onscreen_dial_button_bool";
+    field public static final java.lang.String KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL = "sim_network_unlock_allow_dismiss_bool";
+    field public static final java.lang.String KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL = "support_pause_ims_video_calls_bool";
+    field public static final java.lang.String KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL = "support_swap_after_merge_bool";
+    field public static final java.lang.String KEY_USE_HFA_FOR_PROVISIONING_BOOL = "use_hfa_for_provisioning_bool";
+    field public static final java.lang.String KEY_USE_OTASP_FOR_PROVISIONING_BOOL = "use_otasp_for_provisioning_bool";
+    field public static final java.lang.String KEY_VOICEMAIL_NOTIFICATION_PERSISTENT_BOOL = "voicemail_notification_persistent_bool";
+    field public static final java.lang.String KEY_VOICE_PRIVACY_DISABLE_BOOL = "voice_privacy_disable_bool";
+    field public static final java.lang.String KEY_VOLTE_REPLACEMENT_RAT_INT = "volte_replacement_rat_int";
+    field public static final java.lang.String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
   }
 
   public final class CellIdentityCdma implements android.os.Parcelable {
@@ -36254,6 +36300,7 @@
     method public void setTo(android.util.DisplayMetrics);
     method public void setToDefaults();
     field public static final int DENSITY_280 = 280; // 0x118
+    field public static final int DENSITY_360 = 360; // 0x168
     field public static final int DENSITY_400 = 400; // 0x190
     field public static final int DENSITY_560 = 560; // 0x230
     field public static final int DENSITY_DEFAULT = 160; // 0xa0
@@ -38236,7 +38283,6 @@
     method public android.view.animation.Animation getAnimation();
     method public android.os.IBinder getApplicationWindowToken();
     method public android.graphics.drawable.Drawable getBackground();
-    method public int getBackgroundColor();
     method public android.content.res.ColorStateList getBackgroundTintList();
     method public android.graphics.PorterDuff.Mode getBackgroundTintMode();
     method public int getBaseline();
@@ -44106,6 +44152,7 @@
     method public int getCompoundPaddingTop();
     method public final int getCurrentHintTextColor();
     method public final int getCurrentTextColor();
+    method public android.view.ActionMode.Callback getCustomInsertionActionModeCallback();
     method public android.view.ActionMode.Callback getCustomSelectionActionModeCallback();
     method protected boolean getDefaultEditable();
     method protected android.text.method.MovementMethod getDefaultMovementMethod();
@@ -44208,6 +44255,7 @@
     method public void setCompoundDrawablesWithIntrinsicBounds(int, int, int, int);
     method public void setCompoundDrawablesWithIntrinsicBounds(android.graphics.drawable.Drawable, android.graphics.drawable.Drawable, android.graphics.drawable.Drawable, android.graphics.drawable.Drawable);
     method public void setCursorVisible(boolean);
+    method public void setCustomInsertionActionModeCallback(android.view.ActionMode.Callback);
     method public void setCustomSelectionActionModeCallback(android.view.ActionMode.Callback);
     method public final void setEditableFactory(android.text.Editable.Factory);
     method public void setElegantTextHeight(boolean);
diff --git a/cmds/am/src/com/android/commands/am/Am.java b/cmds/am/src/com/android/commands/am/Am.java
index 808e124..b0a7dc7 100644
--- a/cmds/am/src/com/android/commands/am/Am.java
+++ b/cmds/am/src/com/android/commands/am/Am.java
@@ -31,6 +31,7 @@
 import android.app.usage.ConfigurationStats;
 import android.app.usage.IUsageStatsManager;
 import android.app.usage.UsageStatsManager;
+import android.content.ComponentCallbacks2;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.IIntentReceiver;
@@ -144,6 +145,8 @@
                 "       am get-config\n" +
                 "       am set-inactive [--user <USER_ID>] <PACKAGE> true|false\n" +
                 "       am get-inactive [--user <USER_ID>] <PACKAGE>\n" +
+                "       am send-trim-memory [--user <USER_ID>] <PROCESS>\n" +
+                "               [HIDDEN|RUNNING_MODERATE|BACKGROUND|RUNNING_LOW|MODERATE|RUNNING_CRITICAL|COMPLETE]\n" +
                 "\n" +
                 "am start: start an Activity.  Options are:\n" +
                 "    -D: enable debugging\n" +
@@ -271,9 +274,9 @@
                 "\n" +
                 "am stack info: display the information about activity stack <STACK_ID>.\n" +
                 "\n" +
-                "am task lock: bring <TASK_ID> to the front and don't allow other tasks to run\n" +
+                "am task lock: bring <TASK_ID> to the front and don't allow other tasks to run.\n" +
                 "\n" +
-                "am task lock stop: end the current task lock\n" +
+                "am task lock stop: end the current task lock.\n" +
                 "\n" +
                 "am task resizeable: change if <TASK_ID> is resizeable (true) or not (false).\n" +
                 "\n" +
@@ -282,12 +285,13 @@
                 "   has the specified bounds.\n" +
                 "\n" +
                 "am get-config: retrieve the configuration and any recent configurations\n" +
-                "  of the device\n" +
+                "  of the device.\n" +
                 "\n" +
-                "am set-inactive: sets the inactive state of an app\n" +
+                "am set-inactive: sets the inactive state of an app.\n" +
                 "\n" +
-                "am get-inactive: returns the inactive state of an app\n" +
+                "am get-inactive: returns the inactive state of an app.\n" +
                 "\n" +
+                " am send-trim-memory: Send a memory trim event to a <PROCESS>.\n" +
                 "\n" +
                 "<INTENT> specifications include these flags and arguments:\n" +
                 "    [-a <ACTION>] [-d <DATA_URI>] [-t <MIME_TYPE>]\n" +
@@ -399,6 +403,8 @@
             runSetInactive();
         } else if (op.equals("get-inactive")) {
             runGetInactive();
+        } else if (op.equals("send-trim-memory")) {
+            runSendTrimMemory();
         } else {
             showError("Error: unknown command '" + op + "'");
         }
@@ -2070,6 +2076,57 @@
         System.out.println("Idle=" + isIdle);
     }
 
+    private void runSendTrimMemory() throws Exception {
+        int userId = UserHandle.USER_CURRENT;
+        String opt;
+        while ((opt = nextOption()) != null) {
+            if (opt.equals("--user")) {
+                userId = parseUserArg(nextArgRequired());
+                if (userId == UserHandle.USER_ALL) {
+                    System.err.println("Error: Can't use user 'all'");
+                    return;
+                }
+            } else {
+                System.err.println("Error: Unknown option: " + opt);
+                return;
+            }
+        }
+
+        String proc = nextArgRequired();
+        String levelArg = nextArgRequired();
+        int level;
+        switch (levelArg) {
+            case "HIDDEN":
+                level = ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN;
+                break;
+            case "RUNNING_MODERATE":
+                level = ComponentCallbacks2.TRIM_MEMORY_RUNNING_MODERATE;
+                break;
+            case "BACKGROUND":
+                level = ComponentCallbacks2.TRIM_MEMORY_BACKGROUND;
+                break;
+            case "RUNNING_LOW":
+                level = ComponentCallbacks2.TRIM_MEMORY_RUNNING_LOW;
+                break;
+            case "MODERATE":
+                level = ComponentCallbacks2.TRIM_MEMORY_MODERATE;
+                break;
+            case "RUNNING_CRITICAL":
+                level = ComponentCallbacks2.TRIM_MEMORY_RUNNING_CRITICAL;
+                break;
+            case "COMPLETE":
+                level = ComponentCallbacks2.TRIM_MEMORY_COMPLETE;
+                break;
+            default:
+                System.err.println("Error: Unknown level option: " + levelArg);
+                return;
+        }
+        if (!mAm.setProcessMemoryTrimLevel(proc, userId, level)) {
+            System.err.println("Error: Failure to set the level - probably Unknown Process: " +
+                               proc);
+        }
+    }
+
     /**
      * Open the given file for sending into the system process. This verifies
      * with SELinux that the system will have access to the file.
diff --git a/cmds/telecom/src/com/android/commands/telecom/Telecom.java b/cmds/telecom/src/com/android/commands/telecom/Telecom.java
index 250b002..cdf7429 100644
--- a/cmds/telecom/src/com/android/commands/telecom/Telecom.java
+++ b/cmds/telecom/src/com/android/commands/telecom/Telecom.java
@@ -20,6 +20,7 @@
 import android.content.Context;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
 import android.text.TextUtils;
 
@@ -39,8 +40,10 @@
       (new Telecom()).run(args);
     }
 
-    private static final String COMMAND_SET_PHONE_ACOUNT_ENABLED = "set-phone-account-enabled";
-    private static final String COMMAND_SET_PHONE_ACOUNT_DISABLED = "set-phone-account-disabled";
+    private static final String COMMAND_SET_PHONE_ACCOUNT_ENABLED = "set-phone-account-enabled";
+    private static final String COMMAND_SET_PHONE_ACCOUNT_DISABLED = "set-phone-account-disabled";
+    private static final String COMMAND_REGISTER_PHONE_ACCOUNT = "register-phone-account";
+    private static final String COMMAND_UNREGISTER_PHONE_ACCOUNT = "unregister-phone-account";
     private static final String COMMAND_SET_DEFAULT_DIALER = "set-default-dialer";
     private static final String COMMAND_GET_DEFAULT_DIALER = "get-default-dialer";
 
@@ -54,6 +57,8 @@
                 "usage: telecom [subcommand] [options]\n" +
                 "usage: telecom set-phone-account-enabled <COMPONENT> <ID>\n" +
                 "usage: telecom set-phone-account-disabled <COMPONENT> <ID>\n" +
+                "usage: telecom register-phone-account <COMPONENT> <ID> <LABEL>\n" +
+                "usage: telecom unregister-phone-account <COMPONENT> <ID>\n" +
                 "usage: telecom set-default-dialer <PACKAGE>\n" +
                 "usage: telecom get-default-dialer <PACKAGE>\n" +
                 "\n" +
@@ -63,9 +68,9 @@
                 "telecom set-phone-account-disabled: Disables the given phone account, if it \n" +
                 " has already been registered with telecom.\n" +
                 "\n" +
-                "telecom set-default_dialer: Sets the default dialer to the given component. \n" +
+                "telecom set-default-dialer: Sets the default dialer to the given component. \n" +
                 "\n" +
-                "telecom get-default_dialer: Displays the current default dialer. \n"
+                "telecom get-default-dialer: Displays the current default dialer. \n"
                 );
     }
 
@@ -80,12 +85,18 @@
 
         String command = nextArgRequired();
         switch (command) {
-            case COMMAND_SET_PHONE_ACOUNT_ENABLED:
+            case COMMAND_SET_PHONE_ACCOUNT_ENABLED:
                 runSetPhoneAccountEnabled(true);
                 break;
-            case COMMAND_SET_PHONE_ACOUNT_DISABLED:
+            case COMMAND_SET_PHONE_ACCOUNT_DISABLED:
                 runSetPhoneAccountEnabled(false);
                 break;
+            case COMMAND_REGISTER_PHONE_ACCOUNT:
+                runRegisterPhoneAccount();
+                break;
+            case COMMAND_UNREGISTER_PHONE_ACCOUNT:
+                runUnregisterPhoneAccount();
+                break;
             case COMMAND_SET_DEFAULT_DIALER:
                 runSetDefaultDialer();
                 break;
@@ -98,9 +109,7 @@
     }
 
     private void runSetPhoneAccountEnabled(boolean enabled) throws RemoteException {
-        final ComponentName component = parseComponentName(nextArgRequired());
-        final String accountId = nextArgRequired();
-        final PhoneAccountHandle handle = new PhoneAccountHandle(component, accountId);
+        final PhoneAccountHandle handle = getPhoneAccountHandleFromArgs();
         final boolean success =  mTelecomService.enablePhoneAccount(handle, enabled);
         if (success) {
             System.out.println("Success - " + handle + (enabled ? " enabled." : " disabled."));
@@ -109,6 +118,21 @@
         }
     }
 
+    private void runRegisterPhoneAccount() throws RemoteException {
+        final PhoneAccountHandle handle = getPhoneAccountHandleFromArgs();
+        final String label = nextArgRequired();
+        PhoneAccount account = PhoneAccount.builder(handle, label)
+                .setCapabilities(PhoneAccount.CAPABILITY_CALL_PROVIDER).build();
+        mTelecomService.registerPhoneAccount(account);
+        System.out.println("Success - " + handle + " registered.");
+    }
+
+    private void runUnregisterPhoneAccount() throws RemoteException {
+        final PhoneAccountHandle handle = getPhoneAccountHandleFromArgs();
+        mTelecomService.unregisterPhoneAccount(handle);
+        System.out.println("Success - " + handle + " unregistered.");
+    }
+
     private void runSetDefaultDialer() throws RemoteException {
         final String packageName = nextArgRequired();
         final boolean success = mTelecomService.setDefaultDialer(packageName);
@@ -124,6 +148,12 @@
         System.out.println(mTelecomService.getDefaultDialerPackage());
     }
 
+    private PhoneAccountHandle getPhoneAccountHandleFromArgs() {
+        final ComponentName component = parseComponentName(nextArgRequired());
+        final String accountId = nextArgRequired();
+        return new PhoneAccountHandle(component, accountId);
+    }
+
     private ComponentName parseComponentName(String component) {
         ComponentName cn = ComponentName.unflattenFromString(component);
         if (cn == null) {
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 073fefc..90567c7 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -38,6 +38,7 @@
 
 import android.annotation.SystemApi;
 import android.app.admin.DevicePolicyManager;
+import android.app.assist.AssistContent;
 import android.content.ComponentCallbacks2;
 import android.content.ComponentName;
 import android.content.ContentResolver;
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index edebc28..3892dd9 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -462,7 +462,7 @@
     public int getMemoryClass() {
         return staticGetMemoryClass();
     }
-    
+
     /** @hide */
     static public int staticGetMemoryClass() {
         // Really brain dead right now -- just take this from the configured
@@ -473,7 +473,7 @@
         }
         return staticGetLargeMemoryClass();
     }
-    
+
     /**
      * Return the approximate per-application memory class of the current
      * device when an application is running with a large heap.  This is the
@@ -490,7 +490,7 @@
     public int getLargeMemoryClass() {
         return staticGetLargeMemoryClass();
     }
-    
+
     /** @hide */
     static public int staticGetLargeMemoryClass() {
         // Really brain dead right now -- just take this from the configured
@@ -809,7 +809,7 @@
          * The true identifier of this task, valid even if it is not running.
          */
         public int persistentId;
-        
+
         /**
          * The original Intent used to launch the task.  You can use this
          * Intent to re-launch the task (if it is no longer running) or bring
@@ -1014,7 +1014,7 @@
      * user has started and the maximum number the system can remember.
      * @param flags Information about what to return.  May be any combination
      * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}.
-     * 
+     *
      * @return Returns a list of RecentTaskInfo records describing each of
      * the recent tasks.
      */
@@ -1146,7 +1146,7 @@
             numActivities = source.readInt();
             numRunning = source.readInt();
         }
-        
+
         public static final Creator<RunningTaskInfo> CREATOR = new Creator<RunningTaskInfo>() {
             public RunningTaskInfo createFromParcel(Parcel source) {
                 return new RunningTaskInfo(source);
@@ -1469,100 +1469,100 @@
          * If non-zero, this is the process the service is running in.
          */
         public int pid;
-        
+
         /**
          * The UID that owns this service.
          */
         public int uid;
-        
+
         /**
          * The name of the process this service runs in.
          */
         public String process;
-        
+
         /**
          * Set to true if the service has asked to run as a foreground process.
          */
         public boolean foreground;
-        
+
         /**
          * The time when the service was first made active, either by someone
          * starting or binding to it.  This
          * is in units of {@link android.os.SystemClock#elapsedRealtime()}.
          */
         public long activeSince;
-        
+
         /**
          * Set to true if this service has been explicitly started.
          */
         public boolean started;
-        
+
         /**
          * Number of clients connected to the service.
          */
         public int clientCount;
-        
+
         /**
          * Number of times the service's process has crashed while the service
          * is running.
          */
         public int crashCount;
-        
+
         /**
          * The time when there was last activity in the service (either
          * explicit requests to start it or clients binding to it).  This
          * is in units of {@link android.os.SystemClock#uptimeMillis()}.
          */
         public long lastActivityTime;
-        
+
         /**
          * If non-zero, this service is not currently running, but scheduled to
          * restart at the given time.
          */
         public long restarting;
-        
+
         /**
          * Bit for {@link #flags}: set if this service has been
          * explicitly started.
          */
         public static final int FLAG_STARTED = 1<<0;
-        
+
         /**
          * Bit for {@link #flags}: set if the service has asked to
          * run as a foreground process.
          */
         public static final int FLAG_FOREGROUND = 1<<1;
-        
+
         /**
          * Bit for {@link #flags): set if the service is running in a
          * core system process.
          */
         public static final int FLAG_SYSTEM_PROCESS = 1<<2;
-        
+
         /**
          * Bit for {@link #flags): set if the service is running in a
          * persistent process.
          */
         public static final int FLAG_PERSISTENT_PROCESS = 1<<3;
-        
+
         /**
          * Running flags.
          */
         public int flags;
-        
+
         /**
          * For special services that are bound to by system code, this is
          * the package that holds the binding.
          */
         public String clientPackage;
-        
+
         /**
          * For special services that are bound to by system code, this is
          * a string resource providing a user-visible label for who the
          * client is.
          */
         public int clientLabel;
-        
+
         public RunningServiceInfo() {
         }
 
@@ -1603,7 +1603,7 @@
             clientPackage = source.readString();
             clientLabel = source.readInt();
         }
-        
+
         public static final Creator<RunningServiceInfo> CREATOR = new Creator<RunningServiceInfo>() {
             public RunningServiceInfo createFromParcel(Parcel source) {
                 return new RunningServiceInfo(source);
@@ -1627,7 +1627,7 @@
      * @param maxNum The maximum number of entries to return in the list.  The
      * actual number returned may be smaller, depending on how many services
      * are running.
-     * 
+     *
      * @return Returns a list of RunningServiceInfo records describing each of
      * the running tasks.
      */
@@ -1641,7 +1641,7 @@
             return null;
         }
     }
-    
+
     /**
      * Returns a PendingIntent you can start to show a control panel for the
      * given running service.  If the service does not have a control panel,
@@ -1657,7 +1657,7 @@
             return null;
         }
     }
-    
+
     /**
      * Information you can retrieve about the available memory through
      * {@link ActivityManager#getMemoryInfo}.
@@ -1684,7 +1684,7 @@
          * processes.
          */
         public long threshold;
-        
+
         /**
          * Set to true if the system considers itself to currently be in a low
          * memory situation.
@@ -1717,7 +1717,7 @@
             dest.writeLong(visibleAppThreshold);
             dest.writeLong(foregroundAppThreshold);
         }
-        
+
         public void readFromParcel(Parcel source) {
             availMem = source.readLong();
             totalMem = source.readLong();
@@ -1841,7 +1841,7 @@
      */
     public boolean clearApplicationUserData(String packageName, IPackageDataObserver observer) {
         try {
-            return ActivityManagerNative.getDefault().clearApplicationUserData(packageName, 
+            return ActivityManagerNative.getDefault().clearApplicationUserData(packageName,
                     observer, UserHandle.myUserId());
         } catch (RemoteException e) {
             return false;
@@ -1882,7 +1882,7 @@
          * The process name in which the crash or error occurred.
          */
         public String processName;
-        
+
         /**
          * The pid of this process; 0 if none
          */
@@ -1894,7 +1894,7 @@
          * the same uid).
          */
         public int uid;
-        
+
         /**
          * The activity name associated with the error, if known.  May be null.
          */
@@ -1950,8 +1950,8 @@
             longMsg = source.readString();
             stackTrace = source.readString();
         }
-        
-        public static final Creator<ProcessErrorStateInfo> CREATOR = 
+
+        public static final Creator<ProcessErrorStateInfo> CREATOR =
                 new Creator<ProcessErrorStateInfo>() {
             public ProcessErrorStateInfo createFromParcel(Parcel source) {
                 return new ProcessErrorStateInfo(source);
@@ -1965,11 +1965,11 @@
             readFromParcel(source);
         }
     }
-    
+
     /**
-     * Returns a list of any processes that are currently in an error condition.  The result 
+     * Returns a list of any processes that are currently in an error condition.  The result
      * will be null if all processes are running properly at this time.
-     * 
+     *
      * @return Returns a list of ProcessErrorStateInfo records, or null if there are no
      * current error conditions (it will not return an empty list).  This list ordering is not
      * specified.
@@ -1985,7 +1985,7 @@
     /**
      * Information you can retrieve about a running process.
      */
-    public static class RunningAppProcessInfo implements Parcelable {        
+    public static class RunningAppProcessInfo implements Parcelable {
         /**
          * The name of the process that this object is associated with
          */
@@ -1995,17 +1995,17 @@
          * The pid of this process; 0 if none
          */
         public int pid;
-        
+
         /**
          * The user id of this process.
          */
         public int uid;
-        
+
         /**
          * All packages that have been loaded into the process.
          */
         public String pkgList[];
-        
+
         /**
          * Constant for {@link #flags}: this is an app that is unable to
          * correctly save its state when going to the background,
@@ -2013,7 +2013,7 @@
          * @hide
          */
         public static final int FLAG_CANT_SAVE_STATE = 1<<0;
-        
+
         /**
          * Constant for {@link #flags}: this process is associated with a
          * persistent system app.
@@ -2048,7 +2048,7 @@
          * that the user is interacting with.
          */
         public static final int IMPORTANCE_FOREGROUND = 100;
-        
+
         /**
          * Constant for {@link #importance}: This process is running a foreground
          * service, for example to perform music playback even while the user is
@@ -2075,13 +2075,13 @@
          * other services under the system's control that it inconsiders important.
          */
         public static final int IMPORTANCE_VISIBLE = 200;
-        
+
         /**
          * Constant for {@link #importance}: This process is not something the user
          * is directly aware of, but is otherwise perceptable to them to some degree.
          */
         public static final int IMPORTANCE_PERCEPTIBLE = 130;
-        
+
         /**
          * Constant for {@link #importance}: This process is running an
          * application that can not save its state, and thus can't be killed
@@ -2089,7 +2089,7 @@
          * @hide
          */
         public static final int IMPORTANCE_CANT_SAVE_STATE = 170;
-        
+
         /**
          * Constant for {@link #importance}: This process is contains services
          * that should remain running.  These are background services apps have
@@ -2098,13 +2098,13 @@
          * stay running as long as they want to).
          */
         public static final int IMPORTANCE_SERVICE = 300;
-        
+
         /**
          * Constant for {@link #importance}: This process process contains
          * background code that is expendable.
          */
         public static final int IMPORTANCE_BACKGROUND = 400;
-        
+
         /**
          * Constant for {@link #importance}: This process is empty of any
          * actively running code.
@@ -2148,7 +2148,7 @@
          * smaller than "less important" values.
          */
         public int importance;
-        
+
         /**
          * An additional ordering within a particular {@link #importance}
          * category, providing finer-grained information about the relative
@@ -2165,7 +2165,7 @@
          * been specified for the reason for this level.
          */
         public static final int REASON_UNKNOWN = 0;
-        
+
         /**
          * Constant for {@link #importanceReasonCode}: one of the application's
          * content providers is being used by another process.  The pid of
@@ -2174,7 +2174,7 @@
          * {@link #importanceReasonComponent}.
          */
         public static final int REASON_PROVIDER_IN_USE = 1;
-        
+
         /**
          * Constant for {@link #importanceReasonCode}: one of the application's
          * content providers is being used by another process.  The pid of
@@ -2183,25 +2183,25 @@
          * {@link #importanceReasonComponent}.
          */
         public static final int REASON_SERVICE_IN_USE = 2;
-        
+
         /**
          * The reason for {@link #importance}, if any.
          */
         public int importanceReasonCode;
-        
+
         /**
          * For the specified values of {@link #importanceReasonCode}, this
          * is the process ID of the other process that is a client of this
          * process.  This will be 0 if no other process is using this one.
          */
         public int importanceReasonPid;
-        
+
         /**
          * For the specified values of {@link #importanceReasonCode}, this
          * is the name of the component that is being used in this process.
          */
         public ComponentName importanceReasonComponent;
-        
+
         /**
          * When {@link #importanceReasonPid} is non-0, this is the importance
          * of the other pid. @hide
@@ -2219,7 +2219,7 @@
             importanceReasonCode = REASON_UNKNOWN;
             processState = PROCESS_STATE_IMPORTANT_FOREGROUND;
         }
-        
+
         public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) {
             processName = pProcessName;
             pid = pPid;
@@ -2262,7 +2262,7 @@
             processState = source.readInt();
         }
 
-        public static final Creator<RunningAppProcessInfo> CREATOR = 
+        public static final Creator<RunningAppProcessInfo> CREATOR =
             new Creator<RunningAppProcessInfo>() {
             public RunningAppProcessInfo createFromParcel(Parcel source) {
                 return new RunningAppProcessInfo(source);
@@ -2276,7 +2276,7 @@
             readFromParcel(source);
         }
     }
-    
+
     /**
      * Returns a list of application processes installed on external media
      * that are running on the device.
@@ -2297,6 +2297,23 @@
     }
 
     /**
+     * Sets the memory trim mode for a process and schedules a memory trim operation.
+     *
+     * <p><b>Note: this method is only intended for testing framework.</b></p>
+     *
+     * @return Returns true if successful.
+     * @hide
+     */
+    public boolean setProcessMemoryTrimLevel(String process, int userId, int level) {
+        try {
+            return ActivityManagerNative.getDefault().setProcessMemoryTrimLevel(process, userId,
+                    level);
+        } catch (RemoteException e) {
+            return false;
+        }
+    }
+
+    /**
      * Returns a list of application processes that are running on the device.
      *
      * <p><b>Note: this method is only intended for debugging or building
@@ -2368,7 +2385,7 @@
             return null;
         }
     }
-    
+
     /**
      * @deprecated This is now just a wrapper for
      * {@link #killBackgroundProcesses(String)}; the previous behavior here
@@ -2380,17 +2397,17 @@
     public void restartPackage(String packageName) {
         killBackgroundProcesses(packageName);
     }
-    
+
     /**
      * Have the system immediately kill all background processes associated
      * with the given package.  This is the same as the kernel killing those
      * processes to reclaim memory; the system will take care of restarting
      * these processes in the future as needed.
-     * 
+     *
      * <p>You must hold the permission
      * {@link android.Manifest.permission#KILL_BACKGROUND_PROCESSES} to be able to
      * call this method.
-     * 
+     *
      * @param packageName The name of the package whose processes are to
      * be killed.
      */
@@ -2426,14 +2443,14 @@
      * removed, etc.  In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED}
      * broadcast will be sent, so that any of its registered alarms can
      * be stopped, notifications removed, etc.
-     * 
+     *
      * <p>You must hold the permission
      * {@link android.Manifest.permission#FORCE_STOP_PACKAGES} to be able to
      * call this method.
-     * 
+     *
      * @param packageName The name of the package to be stopped.
      * @param userId The user for which the running package is to be stopped.
-     * 
+     *
      * @hide This is not available to third party applications due to
      * it allowing them to break other applications by stopping their
      * services, removing their alarms, etc.
@@ -2697,7 +2714,7 @@
     }
 
     /**
-     * @param userid the user's id. Zero indicates the default user 
+     * @param userid the user's id. Zero indicates the default user.
      * @hide
      */
     public boolean switchUser(int userid) {
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index e4def1e..44e47f8 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -17,6 +17,8 @@
 package android.app;
 
 import android.app.ActivityManager.StackInfo;
+import android.app.assist.AssistContent;
+import android.app.assist.AssistStructure;
 import android.content.ComponentName;
 import android.content.IIntentReceiver;
 import android.content.IIntentSender;
@@ -1546,21 +1548,21 @@
             reply.writeInt(res ? 1 : 0);
             return true;
         }
-        
+
         case STOP_APP_SWITCHES_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             stopAppSwitches();
             reply.writeNoException();
             return true;
         }
-        
+
         case RESUME_APP_SWITCHES_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             resumeAppSwitches();
             reply.writeNoException();
             return true;
         }
-        
+
         case PEEK_SERVICE_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             Intent service = Intent.CREATOR.createFromParcel(data);
@@ -1570,7 +1572,7 @@
             reply.writeStrongBinder(binder);
             return true;
         }
-        
+
         case START_BACKUP_AGENT_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             ApplicationInfo info = ApplicationInfo.CREATOR.createFromParcel(data);
@@ -1623,7 +1625,7 @@
             reply.writeNoException();
             return true;
         }
-        
+
         case GET_PROCESS_MEMORY_INFO_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             int[] pids = data.createIntArray();
@@ -1641,7 +1643,7 @@
             reply.writeNoException();
             return true;
         }
-        
+
         case OVERRIDE_PENDING_TRANSITION_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             IBinder token = data.readStrongBinder();
@@ -1652,7 +1654,7 @@
             reply.writeNoException();
             return true;
         }
-        
+
         case IS_USER_A_MONKEY_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             boolean areThey = isUserAMonkey();
@@ -1660,7 +1662,7 @@
             reply.writeInt(areThey ? 1 : 0);
             return true;
         }
-        
+
         case SET_USER_IS_MONKEY_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             final boolean monkey = (data.readInt() == 1);
@@ -1736,7 +1738,7 @@
             reply.writeNoException();
             return true;
         }
-        
+
         case IS_TOP_ACTIVITY_IMMERSIVE_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             boolean isit = isTopActivityImmersive();
@@ -1888,7 +1890,7 @@
             reply.writeNoException();
             return true;
         }
-        
+
         case SWITCH_USER_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             int userid = data.readInt();
@@ -2548,6 +2550,17 @@
             reply.writeInt(res);
             return true;
         }
+
+        case SET_PROCESS_MEMORY_TRIM_TRANSACTION: {
+            data.enforceInterface(IActivityManager.descriptor);
+            String process = data.readString();
+            int userId = data.readInt();
+            int level = data.readInt();
+            boolean res = setProcessMemoryTrimLevel(process, userId, level);
+            reply.writeNoException();
+            reply.writeInt(res ? 1 : 0);
+            return true;
+        }
         }
 
         return super.onTransact(code, data, reply, flags);
@@ -3619,7 +3632,7 @@
         reply.recycle();
         return res;
     }
-    
+
     public ComponentName startService(IApplicationThread caller, Intent service,
             String resolvedType, int userId) throws RemoteException
     {
@@ -3722,7 +3735,7 @@
         reply.recycle();
         return res;
     }
-    
+
     public void publishService(IBinder token,
             Intent intent, IBinder service) throws RemoteException {
         Parcel data = Parcel.obtain();
@@ -3765,7 +3778,7 @@
         data.recycle();
         reply.recycle();
     }
-    
+
     public IBinder peekService(Intent service, String resolvedType) throws RemoteException {
         Parcel data = Parcel.obtain();
         Parcel reply = Parcel.obtain();
@@ -4455,7 +4468,7 @@
         data.recycle();
         reply.recycle();
     }
-    
+
     public void getMyMemoryState(ActivityManager.RunningAppProcessInfo outInfo)
             throws RemoteException
     {
@@ -4519,7 +4532,7 @@
         data.recycle();
         return res;
     }
-    
+
     public void stopAppSwitches() throws RemoteException {
         Parcel data = Parcel.obtain();
         Parcel reply = Parcel.obtain();
@@ -4529,7 +4542,7 @@
         reply.recycle();
         data.recycle();
     }
-    
+
     public void resumeAppSwitches() throws RemoteException {
         Parcel data = Parcel.obtain();
         Parcel reply = Parcel.obtain();
@@ -4564,7 +4577,7 @@
         data.recycle();
         reply.recycle();
     }
-    
+
     public void closeSystemDialogs(String reason) throws RemoteException {
         Parcel data = Parcel.obtain();
         Parcel reply = Parcel.obtain();
@@ -4575,7 +4588,7 @@
         data.recycle();
         reply.recycle();
     }
-    
+
     public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids)
             throws RemoteException {
         Parcel data = Parcel.obtain();
@@ -4601,7 +4614,7 @@
         data.recycle();
         reply.recycle();
     }
-        
+
     public void overridePendingTransition(IBinder token, String packageName,
             int enterAnim, int exitAnim) throws RemoteException {
         Parcel data = Parcel.obtain();
@@ -4616,7 +4629,7 @@
         data.recycle();
         reply.recycle();
     }
-    
+
     public boolean isUserAMonkey() throws RemoteException {
         Parcel data = Parcel.obtain();
         Parcel reply = Parcel.obtain();
@@ -4872,7 +4885,7 @@
         data.recycle();
         return res;
     }
-    
+
     public int startActivities(IApplicationThread caller, String callingPackage,
             Intent[] intents, String[] resolvedTypes, IBinder resultTo,
             Bundle options, int userId) throws RemoteException {
@@ -5880,5 +5893,22 @@
         return res;
     }
 
+    @Override
+    public boolean setProcessMemoryTrimLevel(String process, int userId, int level)
+            throws RemoteException {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IActivityManager.descriptor);
+        data.writeString(process);
+        data.writeInt(userId);
+        data.writeInt(level);
+        mRemote.transact(SET_PROCESS_MEMORY_TRIM_TRANSACTION, data, reply, 0);
+        reply.readException();
+        int res = reply.readInt();
+        data.recycle();
+        reply.recycle();
+        return res != 0;
+    }
+
     private IBinder mRemote;
 }
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 2a98b6c..3d26ccd 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -16,6 +16,8 @@
 
 package android.app;
 
+import android.app.assist.AssistContent;
+import android.app.assist.AssistStructure;
 import android.app.backup.BackupAgent;
 import android.content.BroadcastReceiver;
 import android.content.ComponentCallbacks2;
@@ -1638,6 +1640,10 @@
         return sCurrentActivityThread;
     }
 
+    public static boolean isSystem() {
+        return (sCurrentActivityThread != null) ? sCurrentActivityThread.mSystemThread : false;
+    }
+
     public static String currentOpPackageName() {
         ActivityThread am = currentActivityThread();
         return (am != null && am.getApplication() != null)
@@ -2578,9 +2584,9 @@
                     intent.setFlags(intent.getFlags() & ~(Intent.FLAG_GRANT_WRITE_URI_PERMISSION
                             | Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION));
                     intent.removeUnsafeExtras();
-                    content.setIntent(intent);
+                    content.setDefaultIntent(intent);
                 } else {
-                    content.setIntent(new Intent());
+                    content.setDefaultIntent(new Intent());
                 }
                 r.activity.onProvideAssistContent(content);
             }
diff --git a/core/java/android/app/ActivityView.java b/core/java/android/app/ActivityView.java
index eafcdb2..9c0d931 100644
--- a/core/java/android/app/ActivityView.java
+++ b/core/java/android/app/ActivityView.java
@@ -24,7 +24,10 @@
 import android.content.Intent;
 import android.content.IntentSender;
 import android.graphics.SurfaceTexture;
+import android.os.Handler;
+import android.os.HandlerThread;
 import android.os.IBinder;
+import android.os.Message;
 import android.os.OperationCanceledException;
 import android.os.RemoteException;
 import android.util.AttributeSet;
@@ -48,7 +51,9 @@
     private static final String TAG = "ActivityView";
     private static final boolean DEBUG = false;
 
-    DisplayMetrics mMetrics;
+    private static final int MSG_SET_SURFACE = 1;
+
+    DisplayMetrics mMetrics = new DisplayMetrics();
     private final TextureView mTextureView;
     private ActivityContainerWrapper mActivityContainer;
     private Activity mActivity;
@@ -58,6 +63,9 @@
     private int mLastVisibility;
     private ActivityViewCallback mActivityViewCallback;
 
+    private HandlerThread mThread = new HandlerThread("ActivityViewThread");
+    private Handler mHandler;
+
     public ActivityView(Context context) {
         this(context, null);
     }
@@ -89,12 +97,27 @@
                     + e);
         }
 
+        mThread.start();
+        mHandler = new Handler(mThread.getLooper()) {
+            @Override
+            public void handleMessage(Message msg) {
+                super.handleMessage(msg);
+                if (msg.what == MSG_SET_SURFACE) {
+                    try {
+                        mActivityContainer.setSurface((Surface) msg.obj, msg.arg1, msg.arg2,
+                                mMetrics.densityDpi);
+                    } catch (RemoteException e) {
+                        throw new RuntimeException(
+                                "ActivityView: Unable to set surface of ActivityContainer. " + e);
+                    }
+                }
+            }
+        };
         mTextureView = new TextureView(context);
         mTextureView.setSurfaceTextureListener(new ActivityViewSurfaceTextureListener());
         addView(mTextureView);
 
         WindowManager wm = (WindowManager)mActivity.getSystemService(Context.WINDOW_SERVICE);
-        mMetrics = new DisplayMetrics();
         wm.getDefaultDisplay().getMetrics(mMetrics);
 
         mLastVisibility = getVisibility();
@@ -111,18 +134,12 @@
     protected void onVisibilityChanged(View changedView, int visibility) {
         super.onVisibilityChanged(changedView, visibility);
 
-        if (mSurface != null) {
-            try {
-                if (visibility == View.GONE) {
-                    mActivityContainer.setSurface(null, mWidth, mHeight, mMetrics.densityDpi);
-                } else if (mLastVisibility == View.GONE) {
-                    // Don't change surface when going between View.VISIBLE and View.INVISIBLE.
-                    mActivityContainer.setSurface(mSurface, mWidth, mHeight, mMetrics.densityDpi);
-                }
-            } catch (RemoteException e) {
-                throw new RuntimeException(
-                        "ActivityView: Unable to set surface of ActivityContainer. " + e);
-            }
+        if (mSurface != null && (visibility == View.GONE || mLastVisibility == View.GONE)) {
+            Message msg = Message.obtain(mHandler, MSG_SET_SURFACE);
+            msg.obj = (visibility == View.GONE) ? null : mSurface;
+            msg.arg1 = mWidth;
+            msg.arg2 = mHeight;
+            mHandler.sendMessage(msg);
         }
         mLastVisibility = visibility;
     }
diff --git a/core/java/android/app/AssistContent.java b/core/java/android/app/AssistContent.java
index f271af1..d23e73d 100644
--- a/core/java/android/app/AssistContent.java
+++ b/core/java/android/app/AssistContent.java
@@ -26,9 +26,12 @@
 /**
  * Holds information about the content an application is viewing, to hand to an
  * assistant at the user's request.  This is filled in by
- * {@link Activity#onProvideAssistContent Activity.onProvideAssistContent}.
+ * {@link android.app.Activity#onProvideAssistContent Activity.onProvideAssistContent}.
+ * @deprecated use {@link android.app.assist.AssistContent}.
  */
-public class AssistContent implements Parcelable {
+@Deprecated
+public class AssistContent {
+    private boolean mIsAppProvidedIntent = false;
     private Intent mIntent;
     private ClipData mClipData;
     private Uri mUri;
@@ -36,16 +39,16 @@
     /**
      * @hide
      * Key name this data structure is stored in the Bundle generated by
-     * {@link Activity#onProvideAssistData}.
+     * {@link android.app.Activity#onProvideAssistData}.
      */
     public static final String ASSIST_KEY = "android:assist_content";
 
     /**
      * @hide
      * Retrieve the framework-generated AssistContent that is stored within
-     * the Bundle filled in by {@link Activity#onProvideAssistContent}.
+     * the Bundle filled in by {@link android.app.Activity#onProvideAssistContent}.
      */
-    public static AssistContent getAssistContent(Bundle assistBundle) {
+    public static android.app.assist.AssistContent getAssistContent(Bundle assistBundle) {
         return assistBundle.getParcelable(ASSIST_KEY);
     }
 
@@ -53,12 +56,14 @@
     }
 
     /**
-     * Sets the Intent associated with the content, describing the current top-level context of
-     * the activity.  If this contains a reference to a piece of data related to the activity,
-     * be sure to set {@link Intent#FLAG_GRANT_READ_URI_PERMISSION} so the accessibility
-     * service can access it.
+     * @hide
+     * Called by {@link android.app.ActivityThread} to set the default Intent based on
+     * {@link android.app.Activity#getIntent Activity.getIntent}.
+     *
+     * <p>Automatically populates {@link #mUri} if that Intent is an {@link Intent#ACTION_VIEW}
+     * of a web (http or https scheme) URI.</p>
      */
-    public void setIntent(Intent intent) {
+    public void setDefaultIntent(Intent intent) {
         mIntent = intent;
         setWebUri(null);
         if (intent != null && Intent.ACTION_VIEW.equals(intent.getAction())) {
@@ -70,13 +75,36 @@
     }
 
     /**
-     * Return the current {@link #setIntent}, which you can modify in-place.
+     * Sets the Intent associated with the content, describing the current top-level context of
+     * the activity.  If this contains a reference to a piece of data related to the activity,
+     * be sure to set {@link Intent#FLAG_GRANT_READ_URI_PERMISSION} so the accessibility
+     * service can access it.
+     */
+    public void setIntent(Intent intent) {
+        mIsAppProvidedIntent = true;
+        mIntent = intent;
+    }
+
+    /**
+     * Returns the current {@link #setIntent} if one is set, else the default Intent obtained from
+     * {@link android.app.Activity#getIntent Activity.getIntent}. Can be modified in-place.
+     * @hide
      */
     public Intent getIntent() {
         return mIntent;
     }
 
     /**
+     * Returns whether or not the current Intent was explicitly provided in
+     * {@link android.app.Activity#onProvideAssistContent Activity.onProvideAssistContent}. If not,
+     * the Intent was automatically set based on
+     * {@link android.app.Activity#getIntent Activity.getIntent}.
+     */
+    public boolean isAppProvidedIntent() {
+        return mIsAppProvidedIntent;
+    }
+
+    /**
      * Optional additional content items that are involved with
      * the current UI.  Access to this content will be granted to the assistant as if you
      * are sending it through an Intent with {@link Intent#FLAG_GRANT_READ_URI_PERMISSION}.
@@ -100,9 +128,6 @@
      * off the device into other environments to acesss the same data as is currently
      * being shown in the app; if the app does not have such a representation, it should
      * leave the null and only report the local intent and clip data.
-     *
-     * <p>This will be automatically populated for you from {@link #setIntent} if that Intent
-     * is an {@link Intent#ACTION_VIEW} of a web (http or https scheme) URI.</p>
      */
     public void setWebUri(Uri uri) {
         mUri = uri;
@@ -116,7 +141,8 @@
         return mUri;
     }
 
-    AssistContent(Parcel in) {
+    /** @hide */
+    public AssistContent(Parcel in) {
         if (in.readInt() != 0) {
             mIntent = Intent.CREATOR.createFromParcel(in);
         }
@@ -126,15 +152,11 @@
         if (in.readInt() != 0) {
             mUri = Uri.CREATOR.createFromParcel(in);
         }
+        mIsAppProvidedIntent = in.readInt() == 1;
     }
 
-    @Override
-    public int describeContents() {
-        return 0;
-    }
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         if (mIntent != null) {
             dest.writeInt(1);
             mIntent.writeToParcel(dest, flags);
@@ -153,16 +175,6 @@
         } else {
             dest.writeInt(0);
         }
+        dest.writeInt(mIsAppProvidedIntent ? 1 : 0);
     }
-
-    public static final Parcelable.Creator<AssistContent> CREATOR
-            = new Parcelable.Creator<AssistContent>() {
-        public AssistContent createFromParcel(Parcel in) {
-            return new AssistContent(in);
-        }
-
-        public AssistContent[] newArray(int size) {
-            return new AssistContent[size];
-        }
-    };
 }
diff --git a/core/java/android/app/AssistStructure.java b/core/java/android/app/AssistStructure.java
index ca47a5e..ef7fde4 100644
--- a/core/java/android/app/AssistStructure.java
+++ b/core/java/android/app/AssistStructure.java
@@ -17,9 +17,7 @@
 package android.app;
 
 import android.content.ComponentName;
-import android.graphics.Paint;
 import android.graphics.Rect;
-import android.graphics.Typeface;
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.IBinder;
@@ -29,7 +27,6 @@
 import android.os.PooledStringWriter;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.text.TextPaint;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
@@ -42,19 +39,22 @@
 
 /**
  * Assist data automatically created by the platform's implementation
- * of {@link Activity#onProvideAssistData}.
+ * of {@link android.app.Activity#onProvideAssistData}.
+ * @deprecated use {@link android.app.assist.AssistStructure}.
  */
-final public class AssistStructure implements Parcelable {
+@Deprecated
+public class AssistStructure {
     static final String TAG = "AssistStructure";
 
     /**
      * @hide
      * Key name this data structure is stored in the Bundle generated by
-     * {@link Activity#onProvideAssistData}.
+     * {@link android.app.Activity#onProvideAssistData}.
      */
     public static final String ASSIST_KEY = "android:assist_structure";
 
-    boolean mHaveData;
+    /** @hide */
+    public boolean mHaveData;
 
     ComponentName mActivityComponent;
 
@@ -62,15 +62,18 @@
 
     final ArrayList<ViewNodeBuilder> mPendingAsyncChildren = new ArrayList<>();
 
-    SendChannel mSendChannel;
-    IBinder mReceiveChannel;
+    /** @hide */
+    public SendChannel mSendChannel;
+    /** @hide */
+    public IBinder mReceiveChannel;
 
     Rect mTmpRect = new Rect();
 
     static final int TRANSACTION_XFER = Binder.FIRST_CALL_TRANSACTION+1;
     static final String DESCRIPTOR = "android.app.AssistStructure";
 
-    final class SendChannel extends Binder {
+    /** @hide */
+    public final class SendChannel extends Binder {
         @Override protected boolean onTransact(int code, Parcel data, Parcel reply, int flags)
                 throws RemoteException {
             if (code == TRANSACTION_XFER) {
@@ -702,7 +705,8 @@
         }
     }
 
-    AssistStructure(Activity activity) {
+    /** @hide */
+    public AssistStructure(Activity activity) {
         mHaveData = true;
         mActivityComponent = activity.getComponentName();
         ArrayList<ViewRootImpl> views = WindowManagerGlobal.getInstance().getRootViews(
@@ -713,12 +717,13 @@
         }
     }
 
-    AssistStructure() {
+    public AssistStructure() {
         mHaveData = true;
         mActivityComponent = null;
     }
 
-    AssistStructure(Parcel in) {
+    /** @hide */
+    public AssistStructure(Parcel in) {
         mReceiveChannel = in.readStrongBinder();
     }
 
@@ -792,7 +797,7 @@
      * Retrieve the framework-generated AssistStructure that is stored within
      * the Bundle filled in by {@link Activity#onProvideAssistData}.
      */
-    public static AssistStructure getAssistStructure(Bundle assistBundle) {
+    public static android.app.assist.AssistStructure getAssistStructure(Bundle assistBundle) {
         return assistBundle.getParcelable(ASSIST_KEY);
     }
 
@@ -812,16 +817,13 @@
     /**
      * Return one of the windows in the assist data.
      * @param index Which window to retrieve, may be 0 to {@link #getWindowNodeCount()}-1.
+     * @hide
      */
     public WindowNode getWindowNodeAt(int index) {
         ensureData();
         return mWindowNodes.get(index);
     }
 
-    public int describeContents() {
-        return 0;
-    }
-
     /** @hide */
     public void ensureData() {
         if (mHaveData) {
@@ -880,29 +882,4 @@
         }
         //dump();
     }
-
-    public void writeToParcel(Parcel out, int flags) {
-        if (mHaveData) {
-            // This object holds its data.  We want to write a send channel that the
-            // other side can use to retrieve that data.
-            if (mSendChannel == null) {
-                mSendChannel = new SendChannel();
-            }
-            out.writeStrongBinder(mSendChannel);
-        } else {
-            // This object doesn't hold its data, so just propagate along its receive channel.
-            out.writeStrongBinder(mReceiveChannel);
-        }
-    }
-
-    public static final Parcelable.Creator<AssistStructure> CREATOR
-            = new Parcelable.Creator<AssistStructure>() {
-        public AssistStructure createFromParcel(Parcel in) {
-            return new AssistStructure(in);
-        }
-
-        public AssistStructure[] newArray(int size) {
-            return new AssistStructure[size];
-        }
-    };
 }
diff --git a/core/java/android/app/BackStackRecord.java b/core/java/android/app/BackStackRecord.java
index 1fb88a9..02e26a5 100644
--- a/core/java/android/app/BackStackRecord.java
+++ b/core/java/android/app/BackStackRecord.java
@@ -1107,6 +1107,7 @@
                         }
 
                         if (enterTransition != null) {
+                            enterTransition.removeTarget(state.nonExistentView);
                             View view = inFragment.getView();
                             if (view != null) {
                                 view.captureTransitioningViews(enteringViews);
@@ -1115,7 +1116,6 @@
                                 }
                                 enteringViews.add(state.nonExistentView);
                                 // We added this earlier to prevent any views being targeted.
-                                enterTransition.removeTarget(state.nonExistentView);
                                 addTargets(enterTransition, enteringViews);
                             }
                             setSharedElementEpicenter(enterTransition, state);
@@ -1170,7 +1170,7 @@
             Transition exitTransition, Transition sharedElementTransition, Fragment inFragment,
             boolean isBack) {
         boolean overlap = true;
-        if (enterTransition != null && exitTransition != null) {
+        if (enterTransition != null && exitTransition != null && inFragment != null) {
             overlap = isBack ? inFragment.getAllowReturnTransitionOverlap() :
                     inFragment.getAllowEnterTransitionOverlap();
         }
@@ -1638,7 +1638,7 @@
 
     private void setBackNameOverrides(TransitionState state, ArrayMap<String, View> namedViews,
             boolean isEnd) {
-        int count = mSharedElementTargetNames.size();
+        int count = mSharedElementTargetNames == null ? 0 : mSharedElementTargetNames.size();
         for (int i = 0; i < count; i++) {
             String source = mSharedElementSourceNames.get(i);
             String originalTarget = mSharedElementTargetNames.get(i);
@@ -1656,7 +1656,7 @@
 
     private void setNameOverrides(TransitionState state, ArrayMap<String, View> namedViews,
             boolean isEnd) {
-        int count = namedViews.size();
+        int count = namedViews == null ? 0 : namedViews.size();
         for (int i = 0; i < count; i++) {
             String source = namedViews.keyAt(i);
             String target = namedViews.valueAt(i).getTransitionName();
diff --git a/core/java/android/app/IActivityManager.java b/core/java/android/app/IActivityManager.java
index 0a425ae..2430ccd 100644
--- a/core/java/android/app/IActivityManager.java
+++ b/core/java/android/app/IActivityManager.java
@@ -19,6 +19,8 @@
 import android.app.ActivityManager.RunningTaskInfo;
 import android.app.ActivityManager.RunningServiceInfo;
 import android.app.ActivityManager.StackInfo;
+import android.app.assist.AssistContent;
+import android.app.assist.AssistStructure;
 import android.content.ComponentName;
 import android.content.ContentProviderNative;
 import android.content.IContentProvider;
@@ -240,14 +242,14 @@
 
     public void showWaitingForDebugger(IApplicationThread who, boolean waiting)
             throws RemoteException;
-    
+
     public void getMemoryInfo(ActivityManager.MemoryInfo outInfo) throws RemoteException;
-    
+
     public void killBackgroundProcesses(final String packageName, int userId)
             throws RemoteException;
     public void killAllBackgroundProcesses() throws RemoteException;
     public void forceStopPackage(final String packageName, int userId) throws RemoteException;
-    
+
     // Note: probably don't want to allow applications access to these.
     public void setLockScreenShown(boolean shown) throws RemoteException;
 
@@ -261,7 +263,7 @@
         throws RemoteException;
 
     public void enterSafeMode() throws RemoteException;
-    
+
     public void noteWakeupAlarm(IIntentSender sender, int sourceUid, String sourcePkg, String tag)
             throws RemoteException;
     public void noteAlarmStart(IIntentSender sender, int sourceUid, String tag)
@@ -316,9 +318,9 @@
 
     public void killApplicationWithAppId(String pkg, int appid, String reason)
             throws RemoteException;
-    
+
     public void closeSystemDialogs(String reason) throws RemoteException;
-    
+
     public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids)
             throws RemoteException;
 
@@ -505,6 +507,9 @@
 
     public int getPackageProcessState(String packageName) throws RemoteException;
 
+    public boolean setProcessMemoryTrimLevel(String process, int uid, int level)
+            throws RemoteException;
+
     /*
      * Private non-Binder interfaces
      */
@@ -790,6 +795,7 @@
     // Available
     int GET_ACTIVITY_DISPLAY_ID_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+184;
     int DELETE_ACTIVITY_CONTAINER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+185;
+    int SET_PROCESS_MEMORY_TRIM_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+186;
 
 
     // Start of L transactions
diff --git a/core/java/android/app/PendingIntent.java b/core/java/android/app/PendingIntent.java
index 2cfc1fa4..031854a 100644
--- a/core/java/android/app/PendingIntent.java
+++ b/core/java/android/app/PendingIntent.java
@@ -25,11 +25,13 @@
 import android.content.IIntentSender;
 import android.content.IntentSender;
 import android.os.Bundle;
+import android.os.Looper;
 import android.os.RemoteException;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.os.Process;
 import android.os.UserHandle;
 import android.util.AndroidException;
 
@@ -206,10 +208,20 @@
         private int mResultCode;
         private String mResultData;
         private Bundle mResultExtras;
+        private static Handler sDefaultSystemHandler;
         FinishedDispatcher(PendingIntent pi, OnFinished who, Handler handler) {
             mPendingIntent = pi;
             mWho = who;
-            mHandler = handler;
+            if (handler == null && ActivityThread.isSystem()) {
+                // We assign a default handler for the system process to avoid deadlocks when
+                // processing receivers in various components that hold global service locks.
+                if (sDefaultSystemHandler == null) {
+                    sDefaultSystemHandler = new Handler(Looper.getMainLooper());
+                }
+                mHandler = sDefaultSystemHandler;
+            } else {
+                mHandler = handler;
+            }
         }
         public void performReceive(Intent intent, int resultCode, String data,
                 Bundle extras, boolean serialized, boolean sticky, int sendingUser) {
diff --git a/core/java/android/app/VoiceInteractor.aidl b/core/java/android/app/VoiceInteractor.aidl
index 40a4a0e..949605c 100644
--- a/core/java/android/app/VoiceInteractor.aidl
+++ b/core/java/android/app/VoiceInteractor.aidl
@@ -17,3 +17,4 @@
 package android.app;
 
 parcelable VoiceInteractor.PickOptionRequest.Option;
+parcelable VoiceInteractor.Prompt;
diff --git a/core/java/android/app/VoiceInteractor.java b/core/java/android/app/VoiceInteractor.java
index ba27c54..eccd9dc 100644
--- a/core/java/android/app/VoiceInteractor.java
+++ b/core/java/android/app/VoiceInteractor.java
@@ -16,6 +16,8 @@
 
 package android.app;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.IBinder;
@@ -257,7 +259,7 @@
      * so the user can give a confirmation.
      */
     public static class ConfirmationRequest extends Request {
-        final CharSequence mPrompt;
+        final Prompt mPrompt;
         final Bundle mExtras;
 
         /**
@@ -266,11 +268,23 @@
          *     should be spoken.
          * @param extras Additional optional information or null.
          */
-        public ConfirmationRequest(CharSequence prompt, Bundle extras) {
+        public ConfirmationRequest(@Nullable Prompt prompt, @Nullable Bundle extras) {
             mPrompt = prompt;
             mExtras = extras;
         }
 
+        /**
+         * Create a new confirmation request.
+         * @param prompt Optional confirmation to speak to the user or null if nothing
+         *     should be spoken.
+         * @param extras Additional optional information or null.
+         * @deprecated Prefer the version that takes a {@link Prompt}.
+         */
+        public ConfirmationRequest(CharSequence prompt, Bundle extras) {
+            mPrompt = (prompt != null ? new Prompt(prompt) : null);
+            mExtras = extras;
+        }
+
         public void onConfirmationResult(boolean confirmed, Bundle result) {
         }
 
@@ -288,7 +302,7 @@
      * either {@link #onPickOptionResult} or {@link #onCancel()}.
      */
     public static class PickOptionRequest extends Request {
-        final CharSequence mPrompt;
+        final Prompt mPrompt;
         final Option[] mOptions;
         final Bundle mExtras;
 
@@ -417,13 +431,28 @@
          * @param options The set of {@link Option}s the user is selecting from.
          * @param extras Additional optional information or null.
          */
-        public PickOptionRequest(CharSequence prompt, Option[] options, Bundle extras) {
+        public PickOptionRequest(@Nullable Prompt prompt, Option[] options,
+                @Nullable Bundle extras) {
             mPrompt = prompt;
             mOptions = options;
             mExtras = extras;
         }
 
         /**
+         * Create a new pick option request.
+         * @param prompt Optional question to be asked of the user when the options are
+         *     presented or null if nothing should be asked.
+         * @param options The set of {@link Option}s the user is selecting from.
+         * @param extras Additional optional information or null.
+         * @deprecated Prefer the version that takes a {@link Prompt}.
+         */
+        public PickOptionRequest(CharSequence prompt, Option[] options, Bundle extras) {
+            mPrompt = (prompt != null ? new Prompt(prompt) : null);
+            mOptions = options;
+            mExtras = extras;
+        }
+
+        /**
          * Called when a single option is confirmed or narrowed to one of several options.
          * @param finished True if the voice interaction has finished making a selection, in
          *     which case {@code selections} contains the final result.  If false, this request is
@@ -451,17 +480,29 @@
      * interaction task.
      */
     public static class CompleteVoiceRequest extends Request {
-        final CharSequence mMessage;
+        final Prompt mPrompt;
         final Bundle mExtras;
 
         /**
          * Create a new completed voice interaction request.
+         * @param prompt Optional message to speak to the user about the completion status of
+         *     the task or null if nothing should be spoken.
+         * @param extras Additional optional information or null.
+         */
+        public CompleteVoiceRequest(@Nullable Prompt prompt, @Nullable Bundle extras) {
+            mPrompt = prompt;
+            mExtras = extras;
+        }
+
+        /**
+         * Create a new completed voice interaction request.
          * @param message Optional message to speak to the user about the completion status of
          *     the task or null if nothing should be spoken.
          * @param extras Additional optional information or null.
+         * @deprecated Prefer the version that takes a {@link Prompt}.
          */
         public CompleteVoiceRequest(CharSequence message, Bundle extras) {
-            mMessage = message;
+            mPrompt = (message != null ? new Prompt(message) : null);
             mExtras = extras;
         }
 
@@ -470,7 +511,7 @@
 
         IVoiceInteractorRequest submit(IVoiceInteractor interactor, String packageName,
                 IVoiceInteractorCallback callback) throws RemoteException {
-            return interactor.startCompleteVoice(packageName, callback, mMessage, mExtras);
+            return interactor.startCompleteVoice(packageName, callback, mPrompt, mExtras);
         }
     }
 
@@ -486,17 +527,29 @@
      * interaction task.
      */
     public static class AbortVoiceRequest extends Request {
-        final CharSequence mMessage;
+        final Prompt mPrompt;
         final Bundle mExtras;
 
         /**
          * Create a new voice abort request.
+         * @param prompt Optional message to speak to the user indicating why the task could
+         *     not be completed by voice or null if nothing should be spoken.
+         * @param extras Additional optional information or null.
+         */
+        public AbortVoiceRequest(@Nullable Prompt prompt, @Nullable Bundle extras) {
+            mPrompt = prompt;
+            mExtras = extras;
+        }
+
+        /**
+         * Create a new voice abort request.
          * @param message Optional message to speak to the user indicating why the task could
          *     not be completed by voice or null if nothing should be spoken.
          * @param extras Additional optional information or null.
+         * @deprecated Prefer the version that takes a {@link Prompt}.
          */
         public AbortVoiceRequest(CharSequence message, Bundle extras) {
-            mMessage = message;
+            mPrompt = (message != null ? new Prompt(message) : null);
             mExtras = extras;
         }
 
@@ -505,7 +558,7 @@
 
         IVoiceInteractorRequest submit(IVoiceInteractor interactor, String packageName,
                 IVoiceInteractorCallback callback) throws RemoteException {
-            return interactor.startAbortVoice(packageName, callback, mMessage, mExtras);
+            return interactor.startAbortVoice(packageName, callback, mPrompt, mExtras);
         }
     }
 
@@ -550,7 +603,101 @@
                 IVoiceInteractorCallback callback) throws RemoteException {
             return interactor.startCommand(packageName, callback, mCommand, mArgs);
         }
-   }
+    }
+
+    /**
+     * A set of voice prompts to use with the voice interaction system to confirm an action, select
+     * an option, or do similar operations. Multiple voice prompts may be provided for variety. A
+     * visual prompt must be provided, which might not match the spoken version. For example, the
+     * confirmation "Are you sure you want to purchase this item?" might use a visual label like
+     * "Purchase item".
+     */
+    public static class Prompt implements Parcelable {
+        // Mandatory voice prompt. Must contain at least one item, which must not be null.
+        private final CharSequence[] mVoicePrompts;
+
+        // Mandatory visual prompt.
+        private final CharSequence mVisualPrompt;
+
+        /**
+         * Constructs a prompt set.
+         * @param voicePrompts An array of one or more voice prompts. Must not be empty or null.
+         * @param visualPrompt A prompt to display on the screen. Must not be null.
+         */
+        public Prompt(@NonNull CharSequence[] voicePrompts, @NonNull CharSequence visualPrompt) {
+            if (voicePrompts == null) {
+                throw new NullPointerException("voicePrompts must not be null");
+            }
+            if (voicePrompts.length == 0) {
+                throw new IllegalArgumentException("voicePrompts must not be empty");
+            }
+            if (visualPrompt == null) {
+                throw new NullPointerException("visualPrompt must not be null");
+            }
+            this.mVoicePrompts = voicePrompts;
+            this.mVisualPrompt = visualPrompt;
+        }
+
+        /**
+         * Constructs a prompt set with single prompt used for all interactions. This is most useful
+         * in test apps. Non-trivial apps should prefer the detailed constructor.
+         */
+        public Prompt(@NonNull CharSequence prompt) {
+            this.mVoicePrompts = new CharSequence[] { prompt };
+            this.mVisualPrompt = prompt;
+        }
+
+        /**
+         * Returns a prompt to use for voice interactions.
+         */
+        @NonNull
+        public CharSequence getVoicePromptAt(int index) {
+            return mVoicePrompts[index];
+        }
+
+        /**
+         * Returns the number of different voice prompts.
+         */
+        public int countVoicePrompts() {
+            return mVoicePrompts.length;
+        }
+
+        /**
+         * Returns the prompt to use for visual display.
+         */
+        @NonNull
+        public CharSequence getVisualPrompt() {
+            return mVisualPrompt;
+        }
+
+        /** Constructor to support Parcelable behavior. */
+        Prompt(Parcel in) {
+            mVoicePrompts = in.readCharSequenceArray();
+            mVisualPrompt = in.readCharSequence();
+        }
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(Parcel dest, int flags) {
+            dest.writeCharSequenceArray(mVoicePrompts);
+            dest.writeCharSequence(mVisualPrompt);
+        }
+
+        public static final Creator<Prompt> CREATOR
+                = new Creator<Prompt>() {
+            public Prompt createFromParcel(Parcel in) {
+                return new Prompt(in);
+            }
+
+            public Prompt[] newArray(int size) {
+                return new Prompt[size];
+            }
+        };
+    }
 
     VoiceInteractor(IVoiceInteractor interactor, Context context, Activity activity,
             Looper looper) {
@@ -631,7 +778,7 @@
     }
 
     /**
-     * Queries the supported commands available from the VoiceinteractionService.
+     * Queries the supported commands available from the VoiceInteractionService.
      * The command is a string that describes the generic operation to be performed.
      * An example might be "org.example.commands.PICK_DATE" to ask the user to pick
      * a date.  (Note: This is not an actual working example.)
diff --git a/core/java/android/app/AssistContent.aidl b/core/java/android/app/assist/AssistContent.aidl
similarity index 95%
rename from core/java/android/app/AssistContent.aidl
rename to core/java/android/app/assist/AssistContent.aidl
index a6321bf..24379bb 100644
--- a/core/java/android/app/AssistContent.aidl
+++ b/core/java/android/app/assist/AssistContent.aidl
@@ -14,6 +14,6 @@
  * limitations under the License.
  */
 
-package android.app;
+package android.app.assist;
 
 parcelable AssistContent;
diff --git a/core/java/android/app/assist/AssistContent.java b/core/java/android/app/assist/AssistContent.java
new file mode 100644
index 0000000..c7e7330
--- /dev/null
+++ b/core/java/android/app/assist/AssistContent.java
@@ -0,0 +1,44 @@
+package android.app.assist;
+
+import android.content.Intent;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * New home for AssistContent.
+ */
+public final class AssistContent extends android.app.AssistContent implements Parcelable {
+
+    /** @hide */
+    public AssistContent() {
+    }
+
+    public AssistContent(Parcel in) {
+        super(in);
+    }
+
+    public Intent getIntent() {
+        return super.getIntent();
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    public static final Parcelable.Creator<AssistContent> CREATOR
+            = new Parcelable.Creator<AssistContent>() {
+        public AssistContent createFromParcel(Parcel in) {
+            return new AssistContent(in);
+        }
+
+        public AssistContent[] newArray(int size) {
+            return new AssistContent[size];
+        }
+    };
+}
diff --git a/core/java/android/app/AssistStructure.aidl b/core/java/android/app/assist/AssistStructure.aidl
similarity index 95%
rename from core/java/android/app/AssistStructure.aidl
rename to core/java/android/app/assist/AssistStructure.aidl
index 07fb2453..ae0a34c 100644
--- a/core/java/android/app/AssistStructure.aidl
+++ b/core/java/android/app/assist/AssistStructure.aidl
@@ -14,6 +14,6 @@
  * limitations under the License.
  */
 
-package android.app;
+package android.app.assist;
 
 parcelable AssistStructure;
diff --git a/core/java/android/app/assist/AssistStructure.java b/core/java/android/app/assist/AssistStructure.java
new file mode 100644
index 0000000..1677e95
--- /dev/null
+++ b/core/java/android/app/assist/AssistStructure.java
@@ -0,0 +1,56 @@
+package android.app.assist;
+
+import android.app.Activity;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * New home for AssistStructure.
+ */
+public final class AssistStructure extends android.app.AssistStructure implements Parcelable {
+
+    public AssistStructure() {
+    }
+
+    /** @hide */
+    public AssistStructure(Activity activity) {
+        super(activity);
+    }
+
+    AssistStructure(Parcel in) {
+        super(in);
+    }
+
+    public WindowNode getWindowNodeAt(int index) {
+        return super.getWindowNodeAt(index);
+    }
+
+    public int describeContents() {
+        return 0;
+    }
+
+    public void writeToParcel(Parcel out, int flags) {
+        if (mHaveData) {
+            // This object holds its data.  We want to write a send channel that the
+            // other side can use to retrieve that data.
+            if (mSendChannel == null) {
+                mSendChannel = new SendChannel();
+            }
+            out.writeStrongBinder(mSendChannel);
+        } else {
+            // This object doesn't hold its data, so just propagate along its receive channel.
+            out.writeStrongBinder(mReceiveChannel);
+        }
+    }
+
+    public static final Parcelable.Creator<AssistStructure> CREATOR
+            = new Parcelable.Creator<AssistStructure>() {
+        public AssistStructure createFromParcel(Parcel in) {
+            return new AssistStructure(in);
+        }
+
+        public AssistStructure[] newArray(int size) {
+            return new AssistStructure[size];
+        }
+    };
+}
diff --git a/core/java/android/app/usage/NetworkStats.java b/core/java/android/app/usage/NetworkStats.java
index 5193563..1079f1a 100644
--- a/core/java/android/app/usage/NetworkStats.java
+++ b/core/java/android/app/usage/NetworkStats.java
@@ -29,11 +29,11 @@
 import dalvik.system.CloseGuard;
 
 /**
- * Class providing enumeration over buckets of network usage statistics. NetworkUsageStats objects
+ * Class providing enumeration over buckets of network usage statistics. {@link NetworkStats} objects
  * are returned as results to various queries in {@link NetworkStatsManager}.
  */
 public final class NetworkStats implements AutoCloseable {
-    private final static String TAG = "NetworkUsageStats";
+    private final static String TAG = "NetworkStats";
 
     private final CloseGuard mCloseGuard = CloseGuard.get();
 
diff --git a/core/java/android/content/ContentResolver.java b/core/java/android/content/ContentResolver.java
index 17a8eb7..96a80e7 100644
--- a/core/java/android/content/ContentResolver.java
+++ b/core/java/android/content/ContentResolver.java
@@ -1552,23 +1552,21 @@
      *
      * @param uri The URI to watch for changes. This can be a specific row URI, or a base URI
      * for a whole class of content.
-     * @param notifyForDescendents If <code>true</code> changes to URIs beginning with <code>uri</code>
-     * will also cause notifications to be sent. If <code>false</code> only changes to the exact URI
-     * specified by <em>uri</em> will cause notifications to be sent. If <code>true</code>, any URI values
-     * at or below the specified URI will also trigger a match.
+     * @param notifyForDescendents When false, the observer will be notified whenever a
+     * change occurs to the exact URI specified by <code>uri</code> or to one of the
+     * URI's ancestors in the path hierarchy.  When true, the observer will also be notified
+     * whenever a change occurs to the URI's descendants in the path hierarchy.
      * @param observer The object that receives callbacks when changes occur.
      * @see #unregisterContentObserver
      */
     public final void registerContentObserver(Uri uri, boolean notifyForDescendents,
-            ContentObserver observer)
-    {
+            ContentObserver observer) {
         registerContentObserver(uri, notifyForDescendents, observer, UserHandle.myUserId());
     }
 
     /** @hide - designated user version */
     public final void registerContentObserver(Uri uri, boolean notifyForDescendents,
-            ContentObserver observer, int userHandle)
-    {
+            ContentObserver observer, int userHandle) {
         try {
             getContentService().registerContentObserver(uri, notifyForDescendents,
                     observer.getContentObserver(), userHandle);
diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java
index a572590..9a99a46 100644
--- a/core/java/android/content/res/Resources.java
+++ b/core/java/android/content/res/Resources.java
@@ -2486,7 +2486,8 @@
         return true;
     }
 
-    /*package*/ Drawable loadDrawable(TypedValue value, int id, Theme theme) throws NotFoundException {
+    @Nullable
+    Drawable loadDrawable(TypedValue value, int id, Theme theme) throws NotFoundException {
         if (TRACE_FOR_PRELOAD) {
             // Log only framework resources
             if ((id >>> 24) == 0x1) {
@@ -2541,7 +2542,7 @@
         // Determine if the drawable has unresolved theme attributes. If it
         // does, we'll need to apply a theme and store it in a theme-specific
         // cache.
-        final boolean canApplyTheme = dr.canApplyTheme();
+        final boolean canApplyTheme = dr != null && dr.canApplyTheme();
         if (canApplyTheme && theme != null) {
             dr = dr.mutate();
             dr.applyTheme(theme);
diff --git a/core/java/android/hardware/camera2/CameraCharacteristics.java b/core/java/android/hardware/camera2/CameraCharacteristics.java
index 85e8827..b69ca88 100644
--- a/core/java/android/hardware/camera2/CameraCharacteristics.java
+++ b/core/java/android/hardware/camera2/CameraCharacteristics.java
@@ -1022,12 +1022,33 @@
 
     /**
      * <p>Position of the camera optical center.</p>
-     * <p>As measured in the device sensor coordinate system, the
-     * position of the camera device's optical center, as a
-     * three-dimensional vector <code>(x,y,z)</code>.</p>
-     * <p>To transform a world position to a camera-device centered
-     * coordinate system, the position must be translated by this
-     * vector and then rotated by {@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation}.</p>
+     * <p>The position of the camera device's lens optical center,
+     * as a three-dimensional vector <code>(x,y,z)</code>, relative to the
+     * optical center of the largest camera device facing in the
+     * same direction as this camera, in the {@link android.hardware.SensorEvent Android sensor coordinate
+     * axes}. Note that only the axis definitions are shared with
+     * the sensor coordinate system, but not the origin.</p>
+     * <p>If this device is the largest or only camera device with a
+     * given facing, then this position will be <code>(0, 0, 0)</code>; a
+     * camera device with a lens optical center located 3 cm from
+     * the main sensor along the +X axis (to the right from the
+     * user's perspective) will report <code>(0.03, 0, 0)</code>.</p>
+     * <p>To transform a pixel coordinates between two cameras
+     * facing the same direction, first the source camera
+     * android.lens.radialDistortion must be corrected for.  Then
+     * the source camera android.lens.intrinsicCalibration needs
+     * to be applied, followed by the {@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation}
+     * of the source camera, the translation of the source camera
+     * relative to the destination camera, the
+     * {@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation} of the destination camera, and
+     * finally the inverse of android.lens.intrinsicCalibration
+     * of the destination camera. This obtains a
+     * radial-distortion-free coordinate in the destination
+     * camera pixel coordinates.</p>
+     * <p>To compare this against a real image from the destination
+     * camera, the destination camera image then needs to be
+     * corrected for radial distortion before comparison or
+     * sampling.</p>
      * <p><b>Units</b>: Meters</p>
      * <p><b>Optional</b> - This value may be {@code null} on some devices.</p>
      *
diff --git a/core/java/android/hardware/camera2/CameraManager.java b/core/java/android/hardware/camera2/CameraManager.java
index 0f002a9..0fb6889 100644
--- a/core/java/android/hardware/camera2/CameraManager.java
+++ b/core/java/android/hardware/camera2/CameraManager.java
@@ -802,12 +802,9 @@
          */
         public ICameraService getCameraService() {
             synchronized(mLock) {
+                connectCameraServiceLocked();
                 if (mCameraService == null) {
-                    Log.i(TAG, "getCameraService: Reconnecting to camera service");
-                    connectCameraServiceLocked();
-                    if (mCameraService == null) {
-                        Log.e(TAG, "Camera service is unavailable");
-                    }
+                    Log.e(TAG, "Camera service is unavailable");
                 }
                 return mCameraService;
             }
@@ -815,11 +812,16 @@
 
         /**
          * Connect to the camera service if it's available, and set up listeners.
+         * If the service is already connected, do nothing.
          *
          * <p>Sets mCameraService to a valid pointer or null if the connection does not succeed.</p>
          */
         private void connectCameraServiceLocked() {
-            mCameraService = null;
+            // Only reconnect if necessary
+            if (mCameraService != null) return;
+
+            Log.i(TAG, "Connecting to camera service");
+
             IBinder cameraServiceBinder = ServiceManager.getService(CAMERA_SERVICE_BINDER_NAME);
             if (cameraServiceBinder == null) {
                 // Camera service is now down, leave mCameraService as null
@@ -1098,6 +1100,8 @@
          */
         public void registerAvailabilityCallback(AvailabilityCallback callback, Handler handler) {
             synchronized (mLock) {
+                connectCameraServiceLocked();
+
                 Handler oldHandler = mCallbackMap.put(callback, handler);
                 // For new callbacks, provide initial availability information
                 if (oldHandler == null) {
@@ -1120,6 +1124,8 @@
 
         public void registerTorchCallback(TorchCallback callback, Handler handler) {
             synchronized(mLock) {
+                connectCameraServiceLocked();
+
                 Handler oldHandler = mTorchCallbackMap.put(callback, handler);
                 // For new callbacks, provide initial torch information
                 if (oldHandler == null) {
diff --git a/core/java/android/hardware/camera2/CaptureRequest.java b/core/java/android/hardware/camera2/CaptureRequest.java
index b2c1c71..bc625dd 100644
--- a/core/java/android/hardware/camera2/CaptureRequest.java
+++ b/core/java/android/hardware/camera2/CaptureRequest.java
@@ -169,6 +169,9 @@
     private final HashSet<Surface> mSurfaceSet;
     private final CameraMetadataNative mSettings;
     private boolean mIsReprocess;
+    // If this request is part of constrained high speed request list that was created by
+    // {@link CameraDevice#createConstrainedHighSpeedRequestList}.
+    private boolean mIsPartOfCHSRequestList = false;
     // Each reprocess request must be tied to a reprocessable session ID.
     // Valid only for reprocess requests (mIsReprocess == true).
     private int mReprocessableSessionId;
@@ -197,6 +200,7 @@
         mSettings = new CameraMetadataNative(source.mSettings);
         mSurfaceSet = (HashSet<Surface>) source.mSurfaceSet.clone();
         mIsReprocess = source.mIsReprocess;
+        mIsPartOfCHSRequestList = source.mIsPartOfCHSRequestList;
         mReprocessableSessionId = source.mReprocessableSessionId;
         mUserTag = source.mUserTag;
     }
@@ -321,6 +325,35 @@
     }
 
     /**
+     * <p>Determine if this request is part of a constrained high speed request list that was
+     * created by {@link CameraDevice#createConstrainedHighSpeedRequestList}. A constrained high
+     * speed request list contains some constrained high speed capture requests with certain
+     * interleaved pattern that is suitable for high speed preview/video streaming. An active
+     * constrained high speed capture session only accepts constrained high speed request lists.
+     * This method can be used to do the sanity check when a constrained high speed capture session
+     * receives a request list via {@link CameraCaptureSession#setRepeatingBurst} or
+     * {@link CameraCaptureSession#captureBurst}.
+     * </p>
+     *
+     *
+     * @return {@code true} if this request is part of a constrained high speed request list,
+     * {@code false} otherwise.
+     *
+     * @hide
+     */
+    public boolean isPartOfCRequestList() {
+        return mIsPartOfCHSRequestList;
+    }
+
+    /**
+     * Returns a copy of the underlying {@link CameraMetadataNative}.
+     * @hide
+     */
+    public CameraMetadataNative getNativeCopy() {
+        return new CameraMetadataNative(mSettings);
+    }
+
+    /**
      * Get the reprocessable session ID this reprocess capture request is associated with.
      *
      * @return the reprocessable session ID this reprocess capture request is associated with
@@ -547,6 +580,18 @@
         }
 
         /**
+         * <p>Mark this request as part of a constrained high speed request list created by
+         * {@link CameraDevice#createConstrainedHighSpeedRequestList}. A constrained high speed
+         * request list contains some constrained high speed capture requests with certain
+         * interleaved pattern that is suitable for high speed preview/video streaming.</p>
+         *
+         * @hide
+         */
+        public void setPartOfCHSRequestList(boolean partOfCHSList) {
+            mRequest.mIsPartOfCHSRequestList = partOfCHSList;
+        }
+
+        /**
          * Build a request using the current target Surfaces and settings.
          * <p>Note that, although it is possible to create a {@code CaptureRequest} with no target
          * {@link Surface}s, passing such a request into {@link CameraCaptureSession#capture},
@@ -563,7 +608,6 @@
             return new CaptureRequest(mRequest);
         }
 
-
         /**
          * @hide
          */
diff --git a/core/java/android/hardware/camera2/CaptureResult.java b/core/java/android/hardware/camera2/CaptureResult.java
index df6c986..3bb2fdb 100644
--- a/core/java/android/hardware/camera2/CaptureResult.java
+++ b/core/java/android/hardware/camera2/CaptureResult.java
@@ -2584,12 +2584,33 @@
 
     /**
      * <p>Position of the camera optical center.</p>
-     * <p>As measured in the device sensor coordinate system, the
-     * position of the camera device's optical center, as a
-     * three-dimensional vector <code>(x,y,z)</code>.</p>
-     * <p>To transform a world position to a camera-device centered
-     * coordinate system, the position must be translated by this
-     * vector and then rotated by {@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation}.</p>
+     * <p>The position of the camera device's lens optical center,
+     * as a three-dimensional vector <code>(x,y,z)</code>, relative to the
+     * optical center of the largest camera device facing in the
+     * same direction as this camera, in the {@link android.hardware.SensorEvent Android sensor coordinate
+     * axes}. Note that only the axis definitions are shared with
+     * the sensor coordinate system, but not the origin.</p>
+     * <p>If this device is the largest or only camera device with a
+     * given facing, then this position will be <code>(0, 0, 0)</code>; a
+     * camera device with a lens optical center located 3 cm from
+     * the main sensor along the +X axis (to the right from the
+     * user's perspective) will report <code>(0.03, 0, 0)</code>.</p>
+     * <p>To transform a pixel coordinates between two cameras
+     * facing the same direction, first the source camera
+     * android.lens.radialDistortion must be corrected for.  Then
+     * the source camera android.lens.intrinsicCalibration needs
+     * to be applied, followed by the {@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation}
+     * of the source camera, the translation of the source camera
+     * relative to the destination camera, the
+     * {@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation} of the destination camera, and
+     * finally the inverse of android.lens.intrinsicCalibration
+     * of the destination camera. This obtains a
+     * radial-distortion-free coordinate in the destination
+     * camera pixel coordinates.</p>
+     * <p>To compare this against a real image from the destination
+     * camera, the destination camera image then needs to be
+     * corrected for radial distortion before comparison or
+     * sampling.</p>
      * <p><b>Units</b>: Meters</p>
      * <p><b>Optional</b> - This value may be {@code null} on some devices.</p>
      *
diff --git a/core/java/android/hardware/camera2/ICameraDeviceUser.aidl b/core/java/android/hardware/camera2/ICameraDeviceUser.aidl
index 375b310..1574f93 100644
--- a/core/java/android/hardware/camera2/ICameraDeviceUser.aidl
+++ b/core/java/android/hardware/camera2/ICameraDeviceUser.aidl
@@ -61,7 +61,7 @@
      * must be called before any requests can be submitted.
      * <p>
      */
-    int endConfigure();
+    int endConfigure(boolean isConstrainedHighSpeed);
 
     int deleteStream(int streamId);
 
diff --git a/core/java/android/hardware/camera2/impl/CameraCaptureSessionImpl.java b/core/java/android/hardware/camera2/impl/CameraCaptureSessionImpl.java
index ab0f607..3d261dd 100644
--- a/core/java/android/hardware/camera2/impl/CameraCaptureSessionImpl.java
+++ b/core/java/android/hardware/camera2/impl/CameraCaptureSessionImpl.java
@@ -60,6 +60,7 @@
     private final android.hardware.camera2.impl.CameraDeviceImpl mDeviceImpl;
     /** Internal handler; used for all incoming events to preserve total order */
     private final Handler mDeviceHandler;
+    private final boolean mIsConstrainedHighSpeedSession;
 
     /** Drain Sequence IDs which have been queued but not yet finished with aborted/completed */
     private final TaskDrainer<Integer> mSequenceDrainer;
@@ -88,13 +89,14 @@
     CameraCaptureSessionImpl(int id, Surface input, List<Surface> outputs,
             CameraCaptureSession.StateCallback callback, Handler stateHandler,
             android.hardware.camera2.impl.CameraDeviceImpl deviceImpl,
-            Handler deviceStateHandler, boolean configureSuccess) {
+            Handler deviceStateHandler, boolean configureSuccess, boolean isConstrainedHighSpeed) {
         if (outputs == null || outputs.isEmpty()) {
             throw new IllegalArgumentException("outputs must be a non-null, non-empty list");
         } else if (callback == null) {
             throw new IllegalArgumentException("callback must not be null");
         }
 
+        mIsConstrainedHighSpeedSession = isConstrainedHighSpeed;
         mId = id;
         mIdString = String.format("Session %d: ", mId);
 
@@ -134,6 +136,30 @@
         }
     }
 
+
+    private boolean isConstrainedHighSpeedRequestList(List<CaptureRequest> requestList) {
+        checkCollectionNotEmpty(requestList, "High speed request list");
+        for (CaptureRequest request : requestList) {
+            if (!request.isPartOfCRequestList()) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * If the session is constrained high speed session, it only accept constrained high speed
+     * request list.
+     */
+    private void checkConstrainedHighSpeedRequestSanity(List<CaptureRequest> requestList) {
+        if (mIsConstrainedHighSpeedSession) {
+            if (!isConstrainedHighSpeedRequestList(requestList)) {
+                throw new IllegalArgumentException("It is only allowed to submit a constrained "
+                        + "high speed request list to a constrained high speed session!!!");
+            }
+        }
+    }
+
     @Override
     public CameraDevice getDevice() {
         return mDeviceImpl;
@@ -155,6 +181,10 @@
         } else if (request.isReprocess() && request.getReprocessableSessionId() != mId) {
             throw new IllegalArgumentException("capture request was created for another session");
         }
+        if (mIsConstrainedHighSpeedSession) {
+            throw new UnsupportedOperationException("Constrained high speed session doesn't support"
+                    + " this method");
+        }
 
         checkNotClosed();
 
@@ -178,6 +208,8 @@
             throw new IllegalArgumentException("Requests must have at least one element");
         }
 
+        checkConstrainedHighSpeedRequestSanity(requests);
+
         for (CaptureRequest request : requests) {
             if (request.isReprocess()) {
                 if (!isReprocessable()) {
@@ -212,7 +244,10 @@
         } else if (request.isReprocess()) {
             throw new IllegalArgumentException("repeating reprocess requests are not supported");
         }
-
+        if (mIsConstrainedHighSpeedSession) {
+            throw new UnsupportedOperationException("Constrained high speed session doesn't support"
+                    + " this method");
+        }
 
         checkNotClosed();
 
@@ -236,6 +271,8 @@
             throw new IllegalArgumentException("requests must have at least one element");
         }
 
+        checkConstrainedHighSpeedRequestSanity(requests);
+
         for (CaptureRequest r : requests) {
             if (r.isReprocess()) {
                 throw new IllegalArgumentException("repeating reprocess burst requests are not " +
@@ -704,7 +741,8 @@
                     // everything is idle.
                     try {
                         // begin transition to unconfigured
-                        mDeviceImpl.configureStreamsChecked(null, null);
+                        mDeviceImpl.configureStreamsChecked(/*inputConfig*/null, /*outputs*/null,
+                                /*isConstrainedHighSpeed*/false);
                     } catch (CameraAccessException e) {
                         // OK: do not throw checked exceptions.
                         Log.e(TAG, mIdString + "Exception while unconfiguring outputs: ", e);
@@ -723,8 +761,7 @@
 
     @Override
     public boolean isConstrainedHighSpeed() {
-        // TODO: to be implemented
-        return false;
+        return mIsConstrainedHighSpeedSession;
     }
 
 }
diff --git a/core/java/android/hardware/camera2/impl/CameraDeviceImpl.java b/core/java/android/hardware/camera2/impl/CameraDeviceImpl.java
index 16701e5..c073ba5 100644
--- a/core/java/android/hardware/camera2/impl/CameraDeviceImpl.java
+++ b/core/java/android/hardware/camera2/impl/CameraDeviceImpl.java
@@ -18,6 +18,7 @@
 
 import static android.hardware.camera2.CameraAccessException.CAMERA_IN_USE;
 
+import android.graphics.ImageFormat;
 import android.hardware.camera2.CameraAccessException;
 import android.hardware.camera2.CameraCaptureSession;
 import android.hardware.camera2.CameraCharacteristics;
@@ -35,17 +36,22 @@
 import android.hardware.camera2.utils.CameraBinderDecorator;
 import android.hardware.camera2.utils.CameraRuntimeException;
 import android.hardware.camera2.utils.LongParcelable;
+import android.hardware.camera2.utils.SurfaceUtils;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.RemoteException;
 import android.util.Log;
+import android.util.Range;
 import android.util.Size;
 import android.util.SparseArray;
 import android.view.Surface;
 
 import java.util.AbstractMap.SimpleEntry;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
@@ -326,7 +332,8 @@
         for (Surface s : outputs) {
             outputConfigs.add(new OutputConfiguration(s));
         }
-        configureStreamsChecked(/*inputConfig*/null, outputConfigs);
+        configureStreamsChecked(/*inputConfig*/null, outputConfigs,
+                /*isConstrainedHighSpeed*/false);
 
     }
 
@@ -344,12 +351,14 @@
      *
      * @param inputConfig input configuration or {@code null} for no input
      * @param outputs a list of one or more surfaces, or {@code null} to unconfigure
+     * @param isConstrainedHighSpeed If the streams configuration is for constrained high speed output.
      * @return whether or not the configuration was successful
      *
      * @throws CameraAccessException if there were any unexpected problems during configuration
      */
     public boolean configureStreamsChecked(InputConfiguration inputConfig,
-            List<OutputConfiguration> outputs) throws CameraAccessException {
+            List<OutputConfiguration> outputs, boolean isConstrainedHighSpeed)
+                    throws CameraAccessException {
         // Treat a null input the same an empty list
         if (outputs == null) {
             outputs = new ArrayList<OutputConfiguration>();
@@ -422,7 +431,7 @@
                 }
 
                 try {
-                    mRemoteDevice.endConfigure();
+                    mRemoteDevice.endConfigure(isConstrainedHighSpeed);
                 }
                 catch (IllegalArgumentException e) {
                     // OK. camera service can reject stream config if it's not supported by HAL
@@ -463,7 +472,8 @@
         for (Surface surface : outputs) {
             outConfigurations.add(new OutputConfiguration(surface));
         }
-        createCaptureSessionInternal(null, outConfigurations, callback, handler);
+        createCaptureSessionInternal(null, outConfigurations, callback, handler,
+                /*isConstrainedHighSpeed*/false);
     }
 
     @Override
@@ -475,7 +485,8 @@
             Log.d(TAG, "createCaptureSessionByOutputConfiguration");
         }
 
-        createCaptureSessionInternal(null, outputConfigurations, callback, handler);
+        createCaptureSessionInternal(null, outputConfigurations, callback, handler,
+                /*isConstrainedHighSpeed*/false);
     }
 
     @Override
@@ -494,13 +505,14 @@
         for (Surface surface : outputs) {
             outConfigurations.add(new OutputConfiguration(surface));
         }
-        createCaptureSessionInternal(inputConfig, outConfigurations, callback, handler);
+        createCaptureSessionInternal(inputConfig, outConfigurations, callback, handler,
+                /*isConstrainedHighSpeed*/false);
     }
 
     private void createCaptureSessionInternal(InputConfiguration inputConfig,
             List<OutputConfiguration> outputConfigurations,
-            CameraCaptureSession.StateCallback callback, Handler handler)
-            throws CameraAccessException {
+            CameraCaptureSession.StateCallback callback, Handler handler,
+            boolean isConstrainedHighSpeed) throws CameraAccessException {
         synchronized(mInterfaceLock) {
             if (DEBUG) {
                 Log.d(TAG, "createCaptureSessionInternal");
@@ -508,6 +520,11 @@
 
             checkIfCameraClosedOrInError();
 
+            if (isConstrainedHighSpeed && inputConfig != null) {
+                throw new IllegalArgumentException("Constrained high speed session doesn't support"
+                        + " input configuration yet.");
+            }
+
             // Notify current session that it's going away, before starting camera operations
             // After this call completes, the session is not allowed to call into CameraDeviceImpl
             if (mCurrentSession != null) {
@@ -520,7 +537,8 @@
             Surface input = null;
             try {
                  // configure streams and then block until IDLE
-                configureSuccess = configureStreamsChecked(inputConfig, outputConfigurations);
+                configureSuccess = configureStreamsChecked(inputConfig, outputConfigurations,
+                        isConstrainedHighSpeed);
                 if (inputConfig != null) {
                     input = new Surface();
                     mRemoteDevice.getInputSurface(/*out*/input);
@@ -545,7 +563,7 @@
             CameraCaptureSessionImpl newSession =
                     new CameraCaptureSessionImpl(mNextSessionId++, input,
                             outSurfaces, callback, handler, this, mDeviceHandler,
-                            configureSuccess);
+                            configureSuccess, isConstrainedHighSpeed);
 
             // TODO: wait until current session closes, then create the new session
             mCurrentSession = newSession;
@@ -906,7 +924,6 @@
             }
 
             mRemoteDevice = null;
-            mInError = false;
         }
     }
 
@@ -1889,13 +1906,13 @@
     }
 
     private void checkIfCameraClosedOrInError() throws CameraAccessException {
+        if (mRemoteDevice == null) {
+            throw new IllegalStateException("CameraDevice was already closed");
+        }
         if (mInError) {
             throw new CameraAccessException(CameraAccessException.CAMERA_ERROR,
                     "The camera device has encountered a serious error");
         }
-        if (mRemoteDevice == null) {
-            throw new IllegalStateException("CameraDevice was already closed");
-        }
     }
 
     /** Whether the camera device has started to close (may not yet have finished) */
@@ -1907,17 +1924,156 @@
         return mCharacteristics;
     }
 
+    private void checkConstrainedHighSpeedSurfaces(Collection<Surface> surfaces,
+            Range<Integer> fpsRange) {
+        if (surfaces == null || surfaces.size() == 0 || surfaces.size() > 2) {
+            throw new IllegalArgumentException("Output target surface list must not be null and"
+                    + " the size must be 1 or 2");
+        }
+
+        StreamConfigurationMap config =
+                getCharacteristics().get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
+        List<Size> highSpeedSizes = null;
+        if (fpsRange == null) {
+            highSpeedSizes = Arrays.asList(config.getHighSpeedVideoSizes());
+        } else {
+            // Check the FPS range first if provided
+            Range<Integer>[] highSpeedFpsRanges = config.getHighSpeedVideoFpsRanges();
+            if(!Arrays.asList(highSpeedFpsRanges).contains(fpsRange)) {
+                throw new IllegalArgumentException("Fps range " + fpsRange.toString() + " in the"
+                        + " request is not a supported high speed fps range " +
+                        Arrays.toString(highSpeedFpsRanges));
+            }
+            highSpeedSizes = Arrays.asList(config.getHighSpeedVideoSizesFor(fpsRange));
+        }
+
+        for (Surface surface : surfaces) {
+            // Surface size must be supported high speed sizes.
+            Size surfaceSize = SurfaceUtils.getSurfaceSize(surface);
+            int surfaceFormat = SurfaceUtils.getSurfaceFormat(surface);
+
+            if (surfaceFormat != ImageFormat.PRIVATE) {
+                throw new IllegalArgumentException("Surface format is not for preview or"
+                        + " hardware video encoding" + surfaceFormat);
+            }
+
+            if (!highSpeedSizes.contains(surfaceSize)) {
+                throw new IllegalArgumentException("Surface size " + surfaceSize.toString() + " is"
+                        + " not part of the high speed supported size list " +
+                        Arrays.toString(highSpeedSizes.toArray()));
+            }
+            // Each output surface must be either preview surface or recording surface.
+            if (!SurfaceUtils.isSurfaceForPreview(surface) &&
+                    !SurfaceUtils.isSurfaceForHwVideoEncoder(surface)) {
+                throw new IllegalArgumentException("This output surface is neither preview nor "
+                        + "hardware video encoding surface");
+            }
+            if (SurfaceUtils.isSurfaceForPreview(surface) &&
+                    SurfaceUtils.isSurfaceForHwVideoEncoder(surface)) {
+                throw new IllegalArgumentException("This output surface can not be both preview"
+                        + " and hardware video encoding surface");
+            }
+        }
+
+        // For 2 output surface case, they shouldn't be same type.
+        if (surfaces.size() == 2) {
+            // Up to here, each surface can only be either preview or recording.
+            Iterator<Surface> iterator = surfaces.iterator();
+            boolean isFirstSurfacePreview =
+                    SurfaceUtils.isSurfaceForPreview(iterator.next());
+            boolean isSecondSurfacePreview =
+                    SurfaceUtils.isSurfaceForPreview(iterator.next());
+            if (isFirstSurfacePreview == isSecondSurfacePreview) {
+                throw new IllegalArgumentException("The 2 output surfaces must have different"
+                        + " type");
+            }
+        }
+    }
+
     @Override
     public void createConstrainedHighSpeedCaptureSession(List<Surface> outputs,
             android.hardware.camera2.CameraCaptureSession.StateCallback callback, Handler handler)
             throws CameraAccessException {
-        // TODO: to be implemented
-        throw new UnsupportedOperationException("To be implemented!!!!");
+        if (outputs == null || outputs.size() == 0 || outputs.size() > 2) {
+            throw new IllegalArgumentException(
+                    "Output surface list must not be null and the size must be no more than 2");
+        }
+        checkConstrainedHighSpeedSurfaces(outputs, /*fpsRange*/null);
+
+        List<OutputConfiguration> outConfigurations = new ArrayList<>(outputs.size());
+        for (Surface surface : outputs) {
+            outConfigurations.add(new OutputConfiguration(surface));
+        }
+        createCaptureSessionInternal(null, outConfigurations, callback, handler,
+                /*isConstrainedHighSpeed*/true);
     }
 
     @Override
     public List<CaptureRequest> createConstrainedHighSpeedRequestList(CaptureRequest request)
             throws CameraAccessException {
-        throw new UnsupportedOperationException("To be implemented!!!!");
+        if (request == null) {
+            throw new IllegalArgumentException("Input capture request must not be null");
+        }
+        Collection<Surface> outputSurfaces = request.getTargets();
+        Range<Integer> fpsRange = request.get(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE);
+        checkConstrainedHighSpeedSurfaces(outputSurfaces, fpsRange);
+
+        // Request list size: to limit the preview to 30fps, need use maxFps/30; to maximize
+        // the preview frame rate, should use maxBatch size for that high speed stream
+        // configuration. We choose the former for now.
+        int requestListSize = fpsRange.getUpper() / 30;
+        List<CaptureRequest> requestList = new ArrayList<CaptureRequest>();
+
+        // Prepare the Request builders: need carry over the request controls.
+        // First, create a request builder that will only include preview or recording target.
+        CameraMetadataNative requestMetadata = new CameraMetadataNative(request.getNativeCopy());
+        CaptureRequest.Builder singleTargetRequestBuilder = new CaptureRequest.Builder(
+                requestMetadata, /*reprocess*/false, CameraCaptureSession.SESSION_ID_NONE);
+
+        // Overwrite the capture intent to make sure a good value is set.
+        Surface[] surfaces = (Surface[])outputSurfaces.toArray();
+        if (outputSurfaces.size() == 1 && SurfaceUtils.isSurfaceForHwVideoEncoder(surfaces[0])) {
+            singleTargetRequestBuilder.set(CaptureRequest.CONTROL_CAPTURE_INTENT,
+                    CaptureRequest.CONTROL_CAPTURE_INTENT_PREVIEW);
+        } else {
+            // Video only, or preview + video
+            singleTargetRequestBuilder.set(CaptureRequest.CONTROL_CAPTURE_INTENT,
+                    CaptureRequest.CONTROL_CAPTURE_INTENT_VIDEO_RECORD);
+        }
+        singleTargetRequestBuilder.setPartOfCHSRequestList(/*partOfCHSList*/true);
+
+        // Second, Create a request builder that will include both preview and recording targets.
+        CaptureRequest.Builder doubleTargetRequestBuilder = null;
+        if (outputSurfaces.size() == 2) {
+            doubleTargetRequestBuilder = new CaptureRequest.Builder(
+                    requestMetadata, /*reprocess*/false, CameraCaptureSession.SESSION_ID_NONE);
+            doubleTargetRequestBuilder.set(CaptureRequest.CONTROL_CAPTURE_INTENT,
+                    CaptureRequest.CONTROL_CAPTURE_INTENT_VIDEO_RECORD);
+            doubleTargetRequestBuilder.addTarget(surfaces[0]);
+            doubleTargetRequestBuilder.addTarget(surfaces[1]);
+            doubleTargetRequestBuilder.setPartOfCHSRequestList(/*partOfCHSList*/true);
+            // Make sure singleTargetRequestBuilder contains only recording surface for
+            // preview + recording case.
+            Surface recordingSurface = surfaces[0];
+            if (!SurfaceUtils.isSurfaceForHwVideoEncoder(recordingSurface)) {
+                recordingSurface = surfaces[1];
+            }
+            singleTargetRequestBuilder.addTarget(recordingSurface);
+        } else {
+            // Single output case: either recording or preview.
+            singleTargetRequestBuilder.addTarget(surfaces[0]);
+        }
+
+        // Generate the final request list.
+        for (int i = 0; i < requestListSize; i++) {
+            if (i == 0 && doubleTargetRequestBuilder != null) {
+                // First request should be recording + preview request
+                requestList.add(doubleTargetRequestBuilder.build());
+            } else {
+                requestList.add(singleTargetRequestBuilder.build());
+            }
+        }
+
+        return Collections.unmodifiableList(requestList);
     }
 }
diff --git a/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java b/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java
index bc0a3a8..f5314da 100644
--- a/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java
+++ b/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java
@@ -88,15 +88,6 @@
         mSurfaceIdCounter = 0;
     }
 
-    private static int translateErrorsFromCamera1(int errorCode) {
-        switch (errorCode) {
-            case CameraBinderDecorator.EACCES:
-                return CameraBinderDecorator.PERMISSION_DENIED;
-            default:
-                return errorCode;
-        }
-    }
-
     /**
      * Create a separate looper/thread for the camera to run on; open the camera.
      *
@@ -140,7 +131,7 @@
             // Save the looper so that we can terminate this thread
             // after we are done with it.
             mLooper = Looper.myLooper();
-            mInitErrors = translateErrorsFromCamera1(mCamera.cameraInitUnspecified(mCameraId));
+            mInitErrors = mCamera.cameraInitUnspecified(mCameraId);
             mStartDone.open();
             Looper.loop();  // Blocks forever until #close is called.
         }
@@ -465,7 +456,7 @@
     }
 
     @Override
-    public int endConfigure() {
+    public int endConfigure(boolean isConstrainedHighSpeed) {
         if (DEBUG) {
             Log.d(TAG, "endConfigure called.");
         }
diff --git a/core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java b/core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java
index 098c2d8..cc9d496 100644
--- a/core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java
+++ b/core/java/android/hardware/camera2/legacy/LegacyCameraDevice.java
@@ -82,6 +82,7 @@
     private static final int GRALLOC_USAGE_SW_READ_OFTEN = 0x00000003;
     private static final int GRALLOC_USAGE_HW_TEXTURE = 0x00000100;
     private static final int GRALLOC_USAGE_HW_COMPOSER = 0x00000800;
+    private static final int GRALLOC_USAGE_HW_RENDER = 0x00000200;
     private static final int GRALLOC_USAGE_HW_VIDEO_ENCODER = 0x00010000;
 
     public static final int MAX_DIMEN_FOR_ROUNDING = 1080; // maximum allowed width for rounding
@@ -549,6 +550,42 @@
         return flexibleConsumer;
     }
 
+    public static boolean isPreviewConsumer(Surface output) {
+        int usageFlags = detectSurfaceUsageFlags(output);
+        int disallowedFlags = GRALLOC_USAGE_HW_VIDEO_ENCODER | GRALLOC_USAGE_RENDERSCRIPT |
+                GRALLOC_USAGE_SW_READ_OFTEN;
+        int allowedFlags = GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_HW_COMPOSER |
+                GRALLOC_USAGE_HW_RENDER;
+        boolean previewConsumer = ((usageFlags & disallowedFlags) == 0 &&
+                (usageFlags & allowedFlags) != 0);
+        int surfaceFormat = ImageFormat.UNKNOWN;
+        try {
+            surfaceFormat = detectSurfaceType(output);
+        } catch(BufferQueueAbandonedException e) {
+            throw new IllegalArgumentException("Surface was abandoned", e);
+        }
+
+        return previewConsumer && (surfaceFormat == ImageFormat.PRIVATE);
+    }
+
+    public static boolean isVideoEncoderConsumer(Surface output) {
+        int usageFlags = detectSurfaceUsageFlags(output);
+        int disallowedFlags = GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_HW_COMPOSER |
+                GRALLOC_USAGE_RENDERSCRIPT | GRALLOC_USAGE_SW_READ_OFTEN;
+        int allowedFlags = GRALLOC_USAGE_HW_VIDEO_ENCODER;
+        boolean videoEncoderConsumer = ((usageFlags & disallowedFlags) == 0 &&
+                (usageFlags & allowedFlags) != 0);
+
+        int surfaceFormat = ImageFormat.UNKNOWN;
+        try {
+            surfaceFormat = detectSurfaceType(output);
+        } catch(BufferQueueAbandonedException e) {
+            throw new IllegalArgumentException("Surface was abandoned", e);
+        }
+
+        return videoEncoderConsumer && (surfaceFormat == ImageFormat.PRIVATE);
+    }
+
     /**
      * Query the surface for its currently configured usage flags
      */
diff --git a/core/java/android/hardware/camera2/utils/SurfaceUtils.java b/core/java/android/hardware/camera2/utils/SurfaceUtils.java
new file mode 100644
index 0000000..32e74e2
--- /dev/null
+++ b/core/java/android/hardware/camera2/utils/SurfaceUtils.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.camera2.utils;
+
+import android.hardware.camera2.legacy.LegacyCameraDevice;
+import android.hardware.camera2.legacy.LegacyExceptionUtils.BufferQueueAbandonedException;
+import android.util.Size;
+import android.view.Surface;
+
+/**
+ * Various Surface utilities.
+ */
+public class SurfaceUtils {
+
+    /**
+     * Check if a surface is for preview consumer.
+     *
+     * @param surface The surface to be checked.
+     * @return true if the surface is for preview consumer, false otherwise.
+     */
+    public static boolean isSurfaceForPreview(Surface surface) {
+        return LegacyCameraDevice.isPreviewConsumer(surface);
+    }
+
+    /**
+     * Check if the surface is for hardware video encoder consumer.
+     *
+     * @param surface The surface to be checked.
+     * @return true if the surface is for hardware video encoder consumer, false otherwise.
+     */
+    public static boolean isSurfaceForHwVideoEncoder(Surface surface) {
+        return LegacyCameraDevice.isVideoEncoderConsumer(surface);
+    }
+
+    /**
+     * Get the Surface size.
+     *
+     * @param surface The surface to be queried for size.
+     * @return Size of the surface.
+     *
+     * @throws IllegalArgumentException if the surface is already abandoned.
+     */
+    public static Size getSurfaceSize(Surface surface) {
+        try {
+            return LegacyCameraDevice.getSurfaceSize(surface);
+        } catch (BufferQueueAbandonedException e) {
+            throw new IllegalArgumentException("Surface was abandoned", e);
+        }
+    }
+
+    /**
+     * Get the Surface format.
+     *
+     * @param surface The surface to be queried for format.
+     * @return format of the surface.
+     *
+     * @throws IllegalArgumentException if the surface is already abandoned.
+     */
+    public static int getSurfaceFormat(Surface surface) {
+        try {
+            return LegacyCameraDevice.detectSurfaceType(surface);
+        } catch (BufferQueueAbandonedException e) {
+            throw new IllegalArgumentException("Surface was abandoned", e);
+        }
+    }
+}
diff --git a/core/java/android/inputmethodservice/ExtractEditText.java b/core/java/android/inputmethodservice/ExtractEditText.java
index 48b604c..f965f54 100644
--- a/core/java/android/inputmethodservice/ExtractEditText.java
+++ b/core/java/android/inputmethodservice/ExtractEditText.java
@@ -106,7 +106,7 @@
         if (mIME != null && mIME.onExtractTextContextMenuItem(id)) {
             // Mode was started on Extracted, needs to be stopped here.
             // Cut and paste will change the text, which stops selection mode.
-            if (id == android.R.id.copy) stopSelectionActionMode();
+            if (id == android.R.id.copy) stopTextActionMode();
             return true;
         }
         return super.onTextContextMenuItem(id);
diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index 0a45b8b..c9609e5 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -1940,6 +1940,15 @@
      */
     public abstract long getFlashlightOnCount(int which);
 
+    /**
+     * Returns the time in microseconds that the camera has been on while the device was
+     * running on battery.
+     *
+     * {@hide}
+     */
+    public abstract long getCameraOnTime(long elapsedRealtimeUs, int which);
+
+
     public static final int NETWORK_MOBILE_RX_DATA = 0;
     public static final int NETWORK_MOBILE_TX_DATA = 1;
     public static final int NETWORK_WIFI_RX_DATA = 2;
@@ -2735,6 +2744,9 @@
                     case OVERCOUNTED:
                         label = "over";
                         break;
+                    case CAMERA:
+                        label = "camera";
+                        break;
                     default:
                         label = "???";
                 }
@@ -3523,6 +3535,10 @@
                         pw.print(prefix); pw.print("    Over-counted: "); printmAh(pw, bs.totalPowerMah);
                         pw.println();
                         break;
+                    case CAMERA:
+                        pw.print(prefix); pw.print("    Camera: "); printmAh(pw, bs.totalPowerMah);
+                        pw.println();
+                        break;
                 }
             }
             pw.println();
diff --git a/core/java/android/os/DropBoxManager.java b/core/java/android/os/DropBoxManager.java
index 27001dc..2b14468 100644
--- a/core/java/android/os/DropBoxManager.java
+++ b/core/java/android/os/DropBoxManager.java
@@ -225,7 +225,8 @@
                 if ((flags & HAS_BYTE_ARRAY) != 0) {
                     return new Entry(tag, millis, in.createByteArray(), flags & ~HAS_BYTE_ARRAY);
                 } else {
-                    return new Entry(tag, millis, in.readFileDescriptor(), flags);
+                    ParcelFileDescriptor pfd = ParcelFileDescriptor.CREATOR.createFromParcel(in);
+                    return new Entry(tag, millis, pfd, flags);
                 }
             }
         };
diff --git a/core/java/android/os/ParcelFileDescriptor.java b/core/java/android/os/ParcelFileDescriptor.java
index c24f3fe..1c9c713 100644
--- a/core/java/android/os/ParcelFileDescriptor.java
+++ b/core/java/android/os/ParcelFileDescriptor.java
@@ -915,8 +915,6 @@
      */
     @Override
     public void writeToParcel(Parcel out, int flags) {
-        // WARNING: This must stay in sync with Parcel::readParcelFileDescriptor()
-        // in frameworks/native/libs/binder/Parcel.cpp
         if (mWrapped != null) {
             try {
                 mWrapped.writeToParcel(out, flags);
@@ -924,12 +922,13 @@
                 releaseResources();
             }
         } else {
-            out.writeFileDescriptor(mFd);
             if (mCommFd != null) {
                 out.writeInt(1);
+                out.writeFileDescriptor(mFd);
                 out.writeFileDescriptor(mCommFd);
             } else {
                 out.writeInt(0);
+                out.writeFileDescriptor(mFd);
             }
             if ((flags & PARCELABLE_WRITE_RETURN_VALUE) != 0 && !mClosed) {
                 // Not a real close, so emit no status
@@ -942,11 +941,10 @@
             = new Parcelable.Creator<ParcelFileDescriptor>() {
         @Override
         public ParcelFileDescriptor createFromParcel(Parcel in) {
-            // WARNING: This must stay in sync with Parcel::writeParcelFileDescriptor()
-            // in frameworks/native/libs/binder/Parcel.cpp
+            int hasCommChannel = in.readInt();
             final FileDescriptor fd = in.readRawFileDescriptor();
             FileDescriptor commChannel = null;
-            if (in.readInt() != 0) {
+            if (hasCommChannel != 0) {
                 commChannel = in.readRawFileDescriptor();
             }
             return new ParcelFileDescriptor(fd, commChannel);
diff --git a/core/java/android/provider/AlarmClock.java b/core/java/android/provider/AlarmClock.java
index 25a35e1..63ae9a9 100644
--- a/core/java/android/provider/AlarmClock.java
+++ b/core/java/android/provider/AlarmClock.java
@@ -50,7 +50,7 @@
      * {@link android.app.Activity#isVoiceInteraction}, and if true, the implementation should
      * report a deeplink of the created/enabled alarm using
      * {@link android.app.VoiceInteractor.CompleteVoiceRequest}. This allows follow-on voice actions
-     * such as {@link #ACTION_VOICE_CANCEL_ALARM} to cancel the alarm that was just enabled.
+     * such as {@link #ACTION_DISMISS_ALARM} to dismiss the alarm that was just enabled.
      * </p>
      * <h3>Request parameters</h3>
      * <ul>
@@ -69,46 +69,61 @@
     public static final String ACTION_SET_ALARM = "android.intent.action.SET_ALARM";
 
     /**
-     * Voice Activity Action: Cancel an alarm.
-     * Requires: The activity must check {@link android.app.Activity#isVoiceInteraction}, i.e. be
-     * started in Voice Interaction mode.
+     * Activity Action: Dismiss an alarm.
      * <p>
-     * Cancels the specified alarm by voice. To cancel means to disable, but not delete, the alarm.
-     * See {@link #ACTION_VOICE_DELETE_ALARM} to delete an alarm by voice.
-     * </p><p>
-     * The alarm to cancel can be specified or searched for in one of the following ways:
+     * The alarm to dismiss can be specified or searched for in one of the following ways:
      * <ol>
-     * <li>The Intent's data URI specifies a deeplink to the alarm.
-     * <li>If the Intent's data URI is unspecified, then the extra {@link #EXTRA_ALARM_SEARCH_MODE} is
-     * required to determine how to search for the alarm.
+     * <li>The Intent's data URI, which represents a deeplink to the alarm.
+     * <li>The extra {@link #EXTRA_ALARM_SEARCH_MODE} to determine how to search for the alarm.
+     * </ol>
+     * </p><p>
+     * If neither of the above are given then:
+     * <ul>
+     * <li>If exactly one active alarm exists, it is dismissed.
+     * <li>If more than one active alarm exists, the user is prompted to choose the alarm to dismiss.
+     * </ul>
+     * </p><p>
+     * If the extra {@link #EXTRA_ALARM_SEARCH_MODE} is used, and the search results contain two or
+     * more matching alarms, then the implementation should show an UI with the results and allow
+     * the user to select the alarm to dismiss. If the implementation supports
+     * {@link android.content.Intent#CATEGORY_VOICE} and the activity is started in Voice
+     * Interaction mode (i.e. check {@link android.app.Activity#isVoiceInteraction}), then the
+     * implementation should additionally use {@link android.app.VoiceInteractor.PickOptionRequest}
+     * to start a voice interaction follow-on flow to help the user disambiguate the alarm by voice.
+     * </p><p>
+     * If the specified alarm is a single occurrence alarm, then dismissing it effectively disables
+     * the alarm; it will never ring again unless explicitly re-enabled.
+     * </p><p>
+     * If the specified alarm is a repeating alarm, then dismissing it only prevents the upcoming
+     * instance from ringing. The alarm remains enabled so that it will still ring on the date and
+     * time of the next instance (i.e. the instance after the upcoming one).
+     * </p>
      *
-     * @see #ACTION_VOICE_DELETE_ALARM
      * @see #EXTRA_ALARM_SEARCH_MODE
      */
     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
-    public static final String ACTION_VOICE_CANCEL_ALARM =
-            "android.intent.action.VOICE_CANCEL_ALARM";
+    public static final String ACTION_DISMISS_ALARM =
+            "android.intent.action.DISMISS_ALARM";
 
     /**
-     * Voice Activity Action: Delete an alarm.
-     * Requires: The activity must check {@link android.app.Activity#isVoiceInteraction}, i.e. be
-     * started in Voice Interaction mode.
+     * Activity Action: Snooze a currently ringing alarm.
      * <p>
-     * Deletes the specified alarm by voice.
-     * See {@link #ACTION_VOICE_CANCEL_ALARM} to cancel (disable) an alarm by voice.
+     * Snoozes the currently ringing alarm. The extra {@link #EXTRA_ALARM_SNOOZE_DURATION} can be
+     * optionally set to specify the snooze duration; if unset, the implementation should use a
+     * reasonable default, for example 10 minutes. The alarm should ring again after the snooze
+     * duration.
      * </p><p>
-     * The alarm to delete can be specified or searched for in one of the following ways:
-     * <ol>
-     * <li>The Intent's data URI specifies a deeplink to the alarm.
-     * <li>If the Intent's data URI is unspecified, then the extra {@link #EXTRA_ALARM_SEARCH_MODE} is
-     * required to determine how to search for the alarm.
+     * Note: setting the extra {@link #EXTRA_ALARM_SNOOZE_DURATION} does not change the default
+     * snooze duration; it's only applied to the currently ringing alarm.
+     * </p><p>
+     * If there is no currently ringing alarm, then this is a no-op.
+     * </p>
      *
-     * @see #ACTION_VOICE_CANCEL_ALARM
-     * @see #EXTRA_ALARM_SEARCH_MODE
+     * @see #EXTRA_ALARM_SNOOZE_DURATION
      */
     @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
-    public static final String ACTION_VOICE_DELETE_ALARM =
-            "android.intent.action.VOICE_DELETE_ALARM";
+    public static final String ACTION_SNOOZE_ALARM =
+            "android.intent.action.SNOOZE_ALARM";
 
     /**
      * Activity Action: Set a timer.
@@ -149,10 +164,9 @@
     /**
      * Bundle extra: Specify the type of search mode to look up an alarm.
      * <p>
-     * Used by {@link #ACTION_VOICE_CANCEL_ALARM} and {@link #ACTION_VOICE_DELETE_ALARM} to identify
-     * the alarm(s) to cancel or delete, respectively.
+     * For example, used by {@link #ACTION_DISMISS_ALARM} to identify the alarm to dismiss.
      * </p><p>
-     * This extra is only required when the alarm is not already identified by a deeplink as
+     * This extra is only used when the alarm is not already identified by a deeplink as
      * specified in the Intent's data URI.
      * </p><p>
      * The value of this extra is a {@link String}, restricted to the following set of supported
@@ -164,22 +178,19 @@
      * <li><i>Next alarm</i> - {@link #ALARM_SEARCH_MODE_NEXT}: Selects the alarm that will
      * ring next, or the alarm that is currently ringing, if any.
      * <li><i>All alarms</i> - {@link #ALARM_SEARCH_MODE_ALL}: Selects all alarms.
-     * <li><i>None</i> - {@link #ALARM_SEARCH_MODE_NONE}: No search mode specified. The
-     * implementation should ask the user to select a search mode using
-     * {@link android.app.VoiceInteractor.PickOptionRequest} and proceed with a voice flow to
-     * identify the alarm.
+     * <li><i>Label</i> - {@link #ALARM_SEARCH_MODE_LABEL}: Search by alarm label. Should return
+     * alarms that contain the word or phrase in given label.
      * </ul>
-     * </ol>
+     * </p>
      *
      * @see #ALARM_SEARCH_MODE_TIME
      * @see #ALARM_SEARCH_MODE_NEXT
      * @see #ALARM_SEARCH_MODE_ALL
-     * @see #ALARM_SEARCH_MODE_NONE
-     * @see #ACTION_VOICE_CANCEL_ALARM
-     * @see #ACTION_VOICE_DELETE_ALARM
+     * @see #ALARM_SEARCH_MODE_LABEL
+     * @see #ACTION_DISMISS_ALARM
      */
     public static final String EXTRA_ALARM_SEARCH_MODE =
-        "android.intent.extra.alarm.ALARM_SEARCH_MODE";
+        "android.intent.extra.alarm.SEARCH_MODE";
 
     /**
      * Search for the alarm that is most closely matched by the search parameters
@@ -193,35 +204,33 @@
      *
      * @see #EXTRA_ALARM_SEARCH_MODE
      */
-    public static final String ALARM_SEARCH_MODE_TIME = "time";
+    public static final String ALARM_SEARCH_MODE_TIME = "android.time";
 
     /**
      * Selects the alarm that will ring next, or the alarm that is currently ringing, if any.
      *
      * @see #EXTRA_ALARM_SEARCH_MODE
      */
-    public static final String ALARM_SEARCH_MODE_NEXT = "next";
+    public static final String ALARM_SEARCH_MODE_NEXT = "android.next";
 
     /**
      * Selects all alarms.
      *
      * @see #EXTRA_ALARM_SEARCH_MODE
      */
-    public static final String ALARM_SEARCH_MODE_ALL = "all";
+    public static final String ALARM_SEARCH_MODE_ALL = "android.all";
 
     /**
-     * No search mode specified. The implementation should ask the user to select a search mode
-     * using {@link android.app.VoiceInteractor.PickOptionRequest} and proceed with a voice flow to
-     * identify the alarm.
+     * Search by alarm label. Should return alarms that contain the word or phrase in given label.
      *
      * @see #EXTRA_ALARM_SEARCH_MODE
      */
-    public static final String ALARM_SEARCH_MODE_NONE = "none";
+    public static final String ALARM_SEARCH_MODE_LABEL = "android.label";
 
     /**
      * Bundle extra: The AM/PM of the alarm.
      * <p>
-     * Used by {@link #ACTION_VOICE_CANCEL_ALARM} and {@link #ACTION_VOICE_DELETE_ALARM}.
+     * Used by {@link #ACTION_DISMISS_ALARM}.
      * </p><p>
      * This extra is optional and only used when {@link #EXTRA_ALARM_SEARCH_MODE} is set to
      * {@link #ALARM_SEARCH_MODE_TIME}. In this search mode, the {@link #EXTRA_IS_PM} is
@@ -233,13 +242,25 @@
      * The value is a {@link Boolean}, where false=AM and true=PM.
      * </p>
      *
-     * @see #ACTION_VOICE_CANCEL_ALARM
-     * @see #ACTION_VOICE_DELETE_ALARM
+     * @see #ACTION_DISMISS_ALARM
      * @see #EXTRA_HOUR
      * @see #EXTRA_MINUTES
      */
     public static final String EXTRA_IS_PM = "android.intent.extra.alarm.IS_PM";
 
+
+    /**
+     * Bundle extra: The snooze duration of the alarm in minutes.
+     * <p>
+     * Used by {@link #ACTION_SNOOZE_ALARM}. This extra is optional and the value is an
+     * {@link Integer} that specifies the duration in minutes for which to snooze the alarm.
+     * </p>
+     *
+     * @see #ACTION_SNOOZE_ALARM
+     */
+    public static final String EXTRA_ALARM_SNOOZE_DURATION =
+        "android.intent.extra.alarm.SNOOZE_DURATION";
+
     /**
      * Bundle extra: Weekdays for repeating alarm.
      * <p>
diff --git a/core/java/android/security/IKeystoreService.aidl b/core/java/android/security/IKeystoreService.aidl
index 2097d5a..409542d 100644
--- a/core/java/android/security/IKeystoreService.aidl
+++ b/core/java/android/security/IKeystoreService.aidl
@@ -67,7 +67,8 @@
     OperationResult begin(IBinder appToken, String alias, int purpose, boolean pruneable,
         in KeymasterArguments params, in byte[] entropy);
     OperationResult update(IBinder token, in KeymasterArguments params, in byte[] input);
-    OperationResult finish(IBinder token, in KeymasterArguments params, in byte[] signature);
+    OperationResult finish(IBinder token, in KeymasterArguments params, in byte[] signature,
+        in byte[] entropy);
     int abort(IBinder handle);
     boolean isOperationAuthorized(IBinder token);
     int addAuthToken(in byte[] authToken);
diff --git a/core/java/android/service/voice/IVoiceInteractionSession.aidl b/core/java/android/service/voice/IVoiceInteractionSession.aidl
index 894edac..8fe84e1 100644
--- a/core/java/android/service/voice/IVoiceInteractionSession.aidl
+++ b/core/java/android/service/voice/IVoiceInteractionSession.aidl
@@ -16,8 +16,8 @@
 
 package android.service.voice;
 
-import android.app.AssistContent;
-import android.app.AssistStructure;
+import android.app.assist.AssistContent;
+import android.app.assist.AssistStructure;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Bundle;
diff --git a/core/java/android/service/voice/VoiceInteractionSession.java b/core/java/android/service/voice/VoiceInteractionSession.java
index 48ad5a8..d5ee7e7 100644
--- a/core/java/android/service/voice/VoiceInteractionSession.java
+++ b/core/java/android/service/voice/VoiceInteractionSession.java
@@ -16,11 +16,12 @@
 
 package android.service.voice;
 
-import android.app.AssistContent;
-import android.app.AssistStructure;
+import android.annotation.Nullable;
 import android.app.Dialog;
 import android.app.Instrumentation;
 import android.app.VoiceInteractor;
+import android.app.assist.AssistContent;
+import android.app.assist.AssistStructure;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
 import android.content.Intent;
@@ -122,7 +123,7 @@
     final IVoiceInteractor mInteractor = new IVoiceInteractor.Stub() {
         @Override
         public IVoiceInteractorRequest startConfirmation(String callingPackage,
-                IVoiceInteractorCallback callback, CharSequence prompt, Bundle extras) {
+                IVoiceInteractorCallback callback, VoiceInteractor.Prompt prompt, Bundle extras) {
             ConfirmationRequest request = new ConfirmationRequest(callingPackage,
                     Binder.getCallingUid(), callback, VoiceInteractionSession.this,
                     prompt, extras);
@@ -134,7 +135,7 @@
 
         @Override
         public IVoiceInteractorRequest startPickOption(String callingPackage,
-                IVoiceInteractorCallback callback, CharSequence prompt,
+                IVoiceInteractorCallback callback, VoiceInteractor.Prompt prompt,
                 VoiceInteractor.PickOptionRequest.Option[] options, Bundle extras) {
             PickOptionRequest request = new PickOptionRequest(callingPackage,
                     Binder.getCallingUid(), callback, VoiceInteractionSession.this,
@@ -147,7 +148,7 @@
 
         @Override
         public IVoiceInteractorRequest startCompleteVoice(String callingPackage,
-                IVoiceInteractorCallback callback, CharSequence message, Bundle extras) {
+                IVoiceInteractorCallback callback, VoiceInteractor.Prompt message, Bundle extras) {
             CompleteVoiceRequest request = new CompleteVoiceRequest(callingPackage,
                     Binder.getCallingUid(), callback, VoiceInteractionSession.this,
                     message, extras);
@@ -159,7 +160,7 @@
 
         @Override
         public IVoiceInteractorRequest startAbortVoice(String callingPackage,
-                IVoiceInteractorCallback callback, CharSequence message, Bundle extras) {
+                IVoiceInteractorCallback callback, VoiceInteractor.Prompt message, Bundle extras) {
             AbortVoiceRequest request = new AbortVoiceRequest(callingPackage,
                     Binder.getCallingUid(), callback, VoiceInteractionSession.this,
                     message, extras);
@@ -386,7 +387,7 @@
         }
 
         /**
-         * ASk the app to cancel this current request.
+         * ASk the app to cancelLocked this current request.
          */
         public void cancel() {
             try {
@@ -404,10 +405,10 @@
      * VoiceInteractor.ConfirmationRequest}.
      */
     public static final class ConfirmationRequest extends Request {
-        final CharSequence mPrompt;
+        final VoiceInteractor.Prompt mPrompt;
 
         ConfirmationRequest(String packageName, int uid, IVoiceInteractorCallback callback,
-                VoiceInteractionSession session, CharSequence prompt, Bundle extras) {
+                VoiceInteractionSession session, VoiceInteractor.Prompt prompt, Bundle extras) {
             super(packageName, uid, callback, session, extras);
             mPrompt = prompt;
         }
@@ -417,11 +418,23 @@
          * {@link android.app.VoiceInteractor.ConfirmationRequest
          * VoiceInteractor.ConfirmationRequest}.
          */
-        public CharSequence getPrompt() {
+        @Nullable
+        public VoiceInteractor.Prompt getVoicePrompt() {
             return mPrompt;
         }
 
         /**
+         * Return the prompt informing the user of what will happen, as per
+         * {@link android.app.VoiceInteractor.ConfirmationRequest
+         * VoiceInteractor.ConfirmationRequest}.
+         * @deprecated Prefer {@link #getVoicePrompt()} which allows multiple voice prompts.
+         */
+        @Nullable
+        public CharSequence getPrompt() {
+            return (mPrompt != null ? mPrompt.getVoicePromptAt(0) : null);
+        }
+
+        /**
          * Report that the voice interactor has confirmed the operation with the user, resulting
          * in a call to
          * {@link android.app.VoiceInteractor.ConfirmationRequest#onConfirmationResult
@@ -437,11 +450,11 @@
      * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}.
      */
     public static final class PickOptionRequest extends Request {
-        final CharSequence mPrompt;
+        final VoiceInteractor.Prompt mPrompt;
         final VoiceInteractor.PickOptionRequest.Option[] mOptions;
 
         PickOptionRequest(String packageName, int uid, IVoiceInteractorCallback callback,
-                VoiceInteractionSession session, CharSequence prompt,
+                VoiceInteractionSession session, VoiceInteractor.Prompt prompt,
                 VoiceInteractor.PickOptionRequest.Option[] options, Bundle extras) {
             super(packageName, uid, callback, session, extras);
             mPrompt = prompt;
@@ -452,11 +465,22 @@
          * Return the prompt informing the user of what they are picking, as per
          * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}.
          */
-        public CharSequence getPrompt() {
+        @Nullable
+        public VoiceInteractor.Prompt getVoicePrompt() {
             return mPrompt;
         }
 
         /**
+         * Return the prompt informing the user of what they are picking, as per
+         * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}.
+         * @deprecated Prefer {@link #getVoicePrompt()} which allows multiple voice prompts.
+         */
+        @Nullable
+        public CharSequence getPrompt() {
+            return (mPrompt != null ? mPrompt.getVoicePromptAt(0) : null);
+        }
+
+        /**
          * Return the set of options the user is picking from, as per
          * {@link android.app.VoiceInteractor.PickOptionRequest VoiceInteractor.PickOptionRequest}.
          */
@@ -494,12 +518,12 @@
      * VoiceInteractor.CompleteVoiceRequest}.
      */
     public static final class CompleteVoiceRequest extends Request {
-        final CharSequence mMessage;
+        final VoiceInteractor.Prompt mPrompt;
 
         CompleteVoiceRequest(String packageName, int uid, IVoiceInteractorCallback callback,
-                VoiceInteractionSession session, CharSequence message, Bundle extras) {
+                VoiceInteractionSession session, VoiceInteractor.Prompt prompt, Bundle extras) {
             super(packageName, uid, callback, session, extras);
-            mMessage = message;
+            mPrompt = prompt;
         }
 
         /**
@@ -507,8 +531,20 @@
          * {@link android.app.VoiceInteractor.CompleteVoiceRequest
          * VoiceInteractor.CompleteVoiceRequest}.
          */
+        @Nullable
+        public VoiceInteractor.Prompt getVoicePrompt() {
+            return mPrompt;
+        }
+
+        /**
+         * Return the message informing the user of the completion, as per
+         * {@link android.app.VoiceInteractor.CompleteVoiceRequest
+         * VoiceInteractor.CompleteVoiceRequest}.
+         * @deprecated Prefer {@link #getVoicePrompt()} which allows a separate visual message.
+         */
+        @Nullable
         public CharSequence getMessage() {
-            return mMessage;
+            return (mPrompt != null ? mPrompt.getVoicePromptAt(0) : null);
         }
 
         /**
@@ -527,20 +563,31 @@
      * {@link android.app.VoiceInteractor.AbortVoiceRequest VoiceInteractor.AbortVoiceRequest}.
      */
     public static final class AbortVoiceRequest extends Request {
-        final CharSequence mMessage;
+        final VoiceInteractor.Prompt mPrompt;
 
         AbortVoiceRequest(String packageName, int uid, IVoiceInteractorCallback callback,
-                VoiceInteractionSession session, CharSequence message, Bundle extras) {
+                VoiceInteractionSession session, VoiceInteractor.Prompt prompt, Bundle extras) {
             super(packageName, uid, callback, session, extras);
-            mMessage = message;
+            mPrompt = prompt;
         }
 
         /**
          * Return the message informing the user of the problem, as per
          * {@link android.app.VoiceInteractor.AbortVoiceRequest VoiceInteractor.AbortVoiceRequest}.
          */
+        @Nullable
+        public VoiceInteractor.Prompt getVoicePrompt() {
+            return mPrompt;
+        }
+
+        /**
+         * Return the message informing the user of the problem, as per
+         * {@link android.app.VoiceInteractor.AbortVoiceRequest VoiceInteractor.AbortVoiceRequest}.
+         * @deprecated Prefer {@link #getVoicePrompt()} which allows a separate visual message.
+         */
+        @Nullable
         public CharSequence getMessage() {
-            return mMessage;
+            return (mPrompt != null ? mPrompt.getVoicePromptAt(0) : null);
         }
 
         /**
@@ -878,14 +925,34 @@
         show(null, 0);
     }
 
-    public void show(Bundle args, int showFlags) {
+    /**
+     * Show the UI for this session.  This asks the system to go through the process of showing
+     * your UI, which will eventually culminate in {@link #onShow}.  This is similar to calling
+     * {@link VoiceInteractionService#showSession VoiceInteractionService.showSession}.
+     * @param args Arbitrary arguments that will be propagated {@link #onShow}.
+     * @param flags Indicates additional optional behavior that should be performed.  May
+     * be {@link VoiceInteractionSession#SHOW_WITH_ASSIST VoiceInteractionSession.SHOW_WITH_ASSIST}
+     * to request that the system generate and deliver assist data on the current foreground
+     * app as part of showing the session UI.
+     */
+    public void show(Bundle args, int flags) {
+        if (mToken == null) {
+            throw new IllegalStateException("Can't call before onCreate()");
+        }
         try {
-            mSystemService.showSessionFromSession(mToken, null, 0);
+            mSystemService.showSessionFromSession(mToken, args, flags);
         } catch (RemoteException e) {
         }
     }
 
+    /**
+     * Hide the session's UI, if currently shown.  Call this when you are done with your
+     * user interaction.
+     */
     public void hide() {
+        if (mToken == null) {
+            throw new IllegalStateException("Can't call before onCreate()");
+        }
         try {
             mSystemService.hideSessionFromSession(mToken);
         } catch (RemoteException e) {
@@ -964,6 +1031,9 @@
      * {@link #startVoiceActivity}.</p>
      */
     public void setKeepAwake(boolean keepAwake) {
+        if (mToken == null) {
+            throw new IllegalStateException("Can't call before onCreate()");
+        }
         try {
             mSystemService.setKeepAwake(mToken, keepAwake);
         } catch (RemoteException e) {
@@ -985,7 +1055,9 @@
     }
 
     /**
-     * Finish the session.
+     * Finish the session.  This completely destroys the session -- the next time it is shown,
+     * an entirely new one will be created.  You do not normally call this function; instead,
+     * use {@link #hide} and allow the system to destroy your session if it needs its RAM.
      */
     public void finish() {
         if (mToken == null) {
@@ -1010,7 +1082,7 @@
     public void onCreate(Bundle args) {
         doOnCreate();
     }
-    
+
     /** @hide */
     public void onCreate(Bundle args, int showFlags) {
         doOnCreate();
@@ -1114,7 +1186,7 @@
      * Called when the user presses the back button while focus is in the session UI.  Note
      * that this will only happen if the session UI has requested input focus in its window;
      * otherwise, the back key will go to whatever window has focus and do whatever behavior
-     * it normally has there.
+     * it normally has there.  The default implementation simply calls {@link #hide}.
      */
     public void onBackPressed() {
         hide();
@@ -1123,7 +1195,7 @@
     /**
      * Sessions automatically watch for requests that all system UI be closed (such as when
      * the user presses HOME), which will appear here.  The default implementation always
-     * calls {@link #finish}.
+     * calls {@link #hide}.
      */
     public void onCloseSystemDialogs() {
         hide();
@@ -1287,7 +1359,7 @@
     }
 
     /**
-     * Called when the {@link android.app.VoiceInteractor} has asked to cancel a {@link Request}
+     * Called when the {@link android.app.VoiceInteractor} has asked to cancelLocked a {@link Request}
      * that was previously delivered to {@link #onRequestConfirmation},
      * {@link #onRequestPickOption}, {@link #onRequestCompleteVoice}, {@link #onRequestAbortVoice},
      * or {@link #onRequestCommand}.
diff --git a/core/java/android/text/Annotation.java b/core/java/android/text/Annotation.java
index dbc290b..bb5d3ea 100644
--- a/core/java/android/text/Annotation.java
+++ b/core/java/android/text/Annotation.java
@@ -38,6 +38,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.ANNOTATION;
     }
     
@@ -46,6 +51,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeString(mKey);
         dest.writeString(mValue);
     }
diff --git a/core/java/android/text/ParcelableSpan.java b/core/java/android/text/ParcelableSpan.java
index 224511a..d7c1a4b 100644
--- a/core/java/android/text/ParcelableSpan.java
+++ b/core/java/android/text/ParcelableSpan.java
@@ -16,6 +16,7 @@
 
 package android.text;
 
+import android.os.Parcel;
 import android.os.Parcelable;
 
 /**
@@ -27,5 +28,21 @@
     /**
      * Return a special type identifier for this span class.
      */
-    public abstract int getSpanTypeId();
+    int getSpanTypeId();
+
+    /**
+     * Internal implementation of {@link #getSpanTypeId()} that is not meant to
+     * be overridden outside of the framework.
+     *
+     * @hide
+     */
+    int getSpanTypeIdInternal();
+
+    /**
+     * Internal implementation of {@link Parcelable#writeToParcel(Parcel, int)}
+     * that is not meant to be overridden outside of the framework.
+     *
+     * @hide
+     */
+    void writeToParcelInternal(Parcel dest, int flags);
 }
diff --git a/core/java/android/text/TextUtils.java b/core/java/android/text/TextUtils.java
index 676986d..6c4d8fd 100644
--- a/core/java/android/text/TextUtils.java
+++ b/core/java/android/text/TextUtils.java
@@ -622,8 +622,7 @@
      * Flatten a CharSequence and whatever styles can be copied across processes
      * into the parcel.
      */
-    public static void writeToParcel(CharSequence cs, Parcel p,
-            int parcelableFlags) {
+    public static void writeToParcel(CharSequence cs, Parcel p, int parcelableFlags) {
         if (cs instanceof Spanned) {
             p.writeInt(0);
             p.writeString(cs.toString());
@@ -645,15 +644,15 @@
                 }
 
                 if (prop instanceof ParcelableSpan) {
-                    ParcelableSpan ps = (ParcelableSpan)prop;
-                    int spanTypeId = ps.getSpanTypeId();
+                    final ParcelableSpan ps = (ParcelableSpan) prop;
+                    final int spanTypeId = ps.getSpanTypeIdInternal();
                     if (spanTypeId < FIRST_SPAN || spanTypeId > LAST_SPAN) {
-                        Log.e(TAG, "external class \"" + ps.getClass().getSimpleName()
+                        Log.e(TAG, "External class \"" + ps.getClass().getSimpleName()
                                 + "\" is attempting to use the frameworks-only ParcelableSpan"
                                 + " interface");
                     } else {
                         p.writeInt(spanTypeId);
-                        ps.writeToParcel(p, parcelableFlags);
+                        ps.writeToParcelInternal(p, parcelableFlags);
                         writeWhere(p, sp, o);
                     }
                 }
diff --git a/core/java/android/text/style/AbsoluteSizeSpan.java b/core/java/android/text/style/AbsoluteSizeSpan.java
index 1214040..908ef55 100644
--- a/core/java/android/text/style/AbsoluteSizeSpan.java
+++ b/core/java/android/text/style/AbsoluteSizeSpan.java
@@ -49,6 +49,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.ABSOLUTE_SIZE_SPAN;
     }
     
@@ -57,6 +62,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeInt(mSize);
         dest.writeInt(mDip ? 1 : 0);
     }
diff --git a/core/java/android/text/style/AlignmentSpan.java b/core/java/android/text/style/AlignmentSpan.java
index b8a37da..6158309 100644
--- a/core/java/android/text/style/AlignmentSpan.java
+++ b/core/java/android/text/style/AlignmentSpan.java
@@ -22,10 +22,9 @@
 import android.text.TextUtils;
 
 public interface AlignmentSpan extends ParagraphStyle {
-    public Layout.Alignment getAlignment();
+    Layout.Alignment getAlignment();
 
-    public static class Standard
-    implements AlignmentSpan, ParcelableSpan {
+    class Standard implements AlignmentSpan, ParcelableSpan {
         public Standard(Layout.Alignment align) {
             mAlignment = align;
         }
@@ -35,6 +34,11 @@
         }
         
         public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
             return TextUtils.ALIGNMENT_SPAN;
         }
         
@@ -43,6 +47,11 @@
         }
 
         public void writeToParcel(Parcel dest, int flags) {
+            writeToParcelInternal(dest, flags);
+        }
+
+        /** @hide */
+        public void writeToParcelInternal(Parcel dest, int flags) {
             dest.writeString(mAlignment.name());
         }
 
diff --git a/core/java/android/text/style/BackgroundColorSpan.java b/core/java/android/text/style/BackgroundColorSpan.java
index cda8015..de05f50 100644
--- a/core/java/android/text/style/BackgroundColorSpan.java
+++ b/core/java/android/text/style/BackgroundColorSpan.java
@@ -35,6 +35,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.BACKGROUND_COLOR_SPAN;
     }
     
@@ -43,6 +48,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeInt(mColor);
     }
 
diff --git a/core/java/android/text/style/BulletSpan.java b/core/java/android/text/style/BulletSpan.java
index 3f86b08..7408415 100644
--- a/core/java/android/text/style/BulletSpan.java
+++ b/core/java/android/text/style/BulletSpan.java
@@ -60,6 +60,11 @@
     }
 
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.BULLET_SPAN;
     }
 
@@ -68,6 +73,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeInt(mGapWidth);
         dest.writeInt(mWantColor ? 1 : 0);
         dest.writeInt(mColor);
diff --git a/core/java/android/text/style/EasyEditSpan.java b/core/java/android/text/style/EasyEditSpan.java
index 03b4f60..7af1c2c 100644
--- a/core/java/android/text/style/EasyEditSpan.java
+++ b/core/java/android/text/style/EasyEditSpan.java
@@ -91,12 +91,22 @@
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeParcelable(mPendingIntent, 0);
         dest.writeByte((byte) (mDeleteEnabled ? 1 : 0));
     }
 
     @Override
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.EASY_EDIT_SPAN;
     }
 
diff --git a/core/java/android/text/style/ForegroundColorSpan.java b/core/java/android/text/style/ForegroundColorSpan.java
index f167aab..2bc6d54 100644
--- a/core/java/android/text/style/ForegroundColorSpan.java
+++ b/core/java/android/text/style/ForegroundColorSpan.java
@@ -36,14 +36,24 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.FOREGROUND_COLOR_SPAN;
     }
-    
+
     public int describeContents() {
         return 0;
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeInt(mColor);
     }
 
diff --git a/core/java/android/text/style/LeadingMarginSpan.java b/core/java/android/text/style/LeadingMarginSpan.java
index 96a7cd9..339d885 100644
--- a/core/java/android/text/style/LeadingMarginSpan.java
+++ b/core/java/android/text/style/LeadingMarginSpan.java
@@ -125,6 +125,11 @@
         }
         
         public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
             return TextUtils.LEADING_MARGIN_SPAN;
         }
         
@@ -133,6 +138,11 @@
         }
 
         public void writeToParcel(Parcel dest, int flags) {
+            writeToParcelInternal(dest, flags);
+        }
+
+        /** @hide */
+        public void writeToParcelInternal(Parcel dest, int flags) {
             dest.writeInt(mFirst);
             dest.writeInt(mRest);
         }
diff --git a/core/java/android/text/style/LocaleSpan.java b/core/java/android/text/style/LocaleSpan.java
index a12c42f..d286231 100644
--- a/core/java/android/text/style/LocaleSpan.java
+++ b/core/java/android/text/style/LocaleSpan.java
@@ -44,6 +44,11 @@
 
     @Override
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.LOCALE_SPAN;
     }
 
@@ -54,6 +59,11 @@
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeString(mLocale.getLanguage());
         dest.writeString(mLocale.getCountry());
         dest.writeString(mLocale.getVariant());
diff --git a/core/java/android/text/style/QuoteSpan.java b/core/java/android/text/style/QuoteSpan.java
index 17748ca..0b0a82c 100644
--- a/core/java/android/text/style/QuoteSpan.java
+++ b/core/java/android/text/style/QuoteSpan.java
@@ -45,6 +45,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.QUOTE_SPAN;
     }
     
@@ -53,6 +58,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeInt(mColor);
     }
 
diff --git a/core/java/android/text/style/RelativeSizeSpan.java b/core/java/android/text/style/RelativeSizeSpan.java
index 632dbd4..95f048a 100644
--- a/core/java/android/text/style/RelativeSizeSpan.java
+++ b/core/java/android/text/style/RelativeSizeSpan.java
@@ -34,6 +34,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.RELATIVE_SIZE_SPAN;
     }
     
@@ -42,6 +47,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeFloat(mProportion);
     }
 
diff --git a/core/java/android/text/style/ScaleXSpan.java b/core/java/android/text/style/ScaleXSpan.java
index a22a5a1..d0850185 100644
--- a/core/java/android/text/style/ScaleXSpan.java
+++ b/core/java/android/text/style/ScaleXSpan.java
@@ -34,6 +34,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.SCALE_X_SPAN;
     }
     
@@ -42,6 +47,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeFloat(mProportion);
     }
 
diff --git a/core/java/android/text/style/SpellCheckSpan.java b/core/java/android/text/style/SpellCheckSpan.java
index 0d8a103..10275c2 100644
--- a/core/java/android/text/style/SpellCheckSpan.java
+++ b/core/java/android/text/style/SpellCheckSpan.java
@@ -54,11 +54,21 @@
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeInt(mSpellCheckInProgress ? 1 : 0);
     }
 
     @Override
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.SPELL_CHECK_SPAN;
     }
 }
diff --git a/core/java/android/text/style/StrikethroughSpan.java b/core/java/android/text/style/StrikethroughSpan.java
index 303e41574..1389704 100644
--- a/core/java/android/text/style/StrikethroughSpan.java
+++ b/core/java/android/text/style/StrikethroughSpan.java
@@ -30,6 +30,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.STRIKETHROUGH_SPAN;
     }
     
@@ -38,6 +43,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
     }
 
     @Override
diff --git a/core/java/android/text/style/StyleSpan.java b/core/java/android/text/style/StyleSpan.java
index b08f70e..f900db5 100644
--- a/core/java/android/text/style/StyleSpan.java
+++ b/core/java/android/text/style/StyleSpan.java
@@ -50,6 +50,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.STYLE_SPAN;
     }
     
@@ -58,6 +63,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeInt(mStyle);
     }
 
diff --git a/core/java/android/text/style/SubscriptSpan.java b/core/java/android/text/style/SubscriptSpan.java
index de1d8b2..f1b0d38 100644
--- a/core/java/android/text/style/SubscriptSpan.java
+++ b/core/java/android/text/style/SubscriptSpan.java
@@ -29,6 +29,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.SUBSCRIPT_SPAN;
     }
     
@@ -37,6 +42,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
     }
 
     @Override
diff --git a/core/java/android/text/style/SuggestionRangeSpan.java b/core/java/android/text/style/SuggestionRangeSpan.java
index 2dbfc72..c1943d5 100644
--- a/core/java/android/text/style/SuggestionRangeSpan.java
+++ b/core/java/android/text/style/SuggestionRangeSpan.java
@@ -46,11 +46,21 @@
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeInt(mBackgroundColor);
     }
 
     @Override
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.SUGGESTION_RANGE_SPAN;
     }
 
diff --git a/core/java/android/text/style/SuggestionSpan.java b/core/java/android/text/style/SuggestionSpan.java
index 8b40953..6b449f9 100644
--- a/core/java/android/text/style/SuggestionSpan.java
+++ b/core/java/android/text/style/SuggestionSpan.java
@@ -248,6 +248,11 @@
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeStringArray(mSuggestions);
         dest.writeInt(mFlags);
         dest.writeString(mLocaleString);
@@ -264,6 +269,11 @@
 
     @Override
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.SUGGESTION_SPAN;
     }
 
diff --git a/core/java/android/text/style/SuperscriptSpan.java b/core/java/android/text/style/SuperscriptSpan.java
index 285fe84..abcf688 100644
--- a/core/java/android/text/style/SuperscriptSpan.java
+++ b/core/java/android/text/style/SuperscriptSpan.java
@@ -29,6 +29,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.SUPERSCRIPT_SPAN;
     }
     
@@ -37,6 +42,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
     }
 
     @Override
diff --git a/core/java/android/text/style/TextAppearanceSpan.java b/core/java/android/text/style/TextAppearanceSpan.java
index ecbf4bc..abbd793 100644
--- a/core/java/android/text/style/TextAppearanceSpan.java
+++ b/core/java/android/text/style/TextAppearanceSpan.java
@@ -136,6 +136,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.TEXT_APPEARANCE_SPAN;
     }
     
@@ -144,6 +149,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeString(mTypeface);
         dest.writeInt(mStyle);
         dest.writeInt(mTextSize);
diff --git a/core/java/android/text/style/TtsSpan.java b/core/java/android/text/style/TtsSpan.java
index 342a183..c40f11f 100644
--- a/core/java/android/text/style/TtsSpan.java
+++ b/core/java/android/text/style/TtsSpan.java
@@ -495,12 +495,22 @@
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeString(mType);
         dest.writePersistableBundle(mArgs);
     }
 
     @Override
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.TTS_SPAN;
     }
 
diff --git a/core/java/android/text/style/TypefaceSpan.java b/core/java/android/text/style/TypefaceSpan.java
index f194060..aa622d8 100644
--- a/core/java/android/text/style/TypefaceSpan.java
+++ b/core/java/android/text/style/TypefaceSpan.java
@@ -42,6 +42,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.TYPEFACE_SPAN;
     }
     
@@ -50,6 +55,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeString(mFamily);
     }
 
diff --git a/core/java/android/text/style/URLSpan.java b/core/java/android/text/style/URLSpan.java
index 0669b6f..58239ef 100644
--- a/core/java/android/text/style/URLSpan.java
+++ b/core/java/android/text/style/URLSpan.java
@@ -40,6 +40,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.URL_SPAN;
     }
     
@@ -48,6 +53,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
         dest.writeString(mURL);
     }
 
diff --git a/core/java/android/text/style/UnderlineSpan.java b/core/java/android/text/style/UnderlineSpan.java
index 80b2427..9024dcd 100644
--- a/core/java/android/text/style/UnderlineSpan.java
+++ b/core/java/android/text/style/UnderlineSpan.java
@@ -30,6 +30,11 @@
     }
     
     public int getSpanTypeId() {
+        return getSpanTypeIdInternal();
+    }
+
+    /** @hide */
+    public int getSpanTypeIdInternal() {
         return TextUtils.UNDERLINE_SPAN;
     }
     
@@ -38,6 +43,11 @@
     }
 
     public void writeToParcel(Parcel dest, int flags) {
+        writeToParcelInternal(dest, flags);
+    }
+
+    /** @hide */
+    public void writeToParcelInternal(Parcel dest, int flags) {
     }
 
     @Override
diff --git a/core/java/android/util/DisplayMetrics.java b/core/java/android/util/DisplayMetrics.java
index d0e5b9e..a36e66c 100644
--- a/core/java/android/util/DisplayMetrics.java
+++ b/core/java/android/util/DisplayMetrics.java
@@ -79,6 +79,14 @@
      * This is not a density that applications should target, instead relying
      * on the system to scale their {@link #DENSITY_XXHIGH} assets for them.
      */
+    public static final int DENSITY_360 = 360;
+
+    /**
+     * Intermediate density for screens that sit somewhere between
+     * {@link #DENSITY_XHIGH} (320 dpi) and {@link #DENSITY_XXHIGH} (480 dpi).
+     * This is not a density that applications should target, instead relying
+     * on the system to scale their {@link #DENSITY_XXHIGH} assets for them.
+     */
     public static final int DENSITY_400 = 400;
 
     /**
diff --git a/core/java/android/util/StateSet.java b/core/java/android/util/StateSet.java
index 83dfc47..c2a6a7a 100644
--- a/core/java/android/util/StateSet.java
+++ b/core/java/android/util/StateSet.java
@@ -119,7 +119,14 @@
     /** @hide */
     public StateSet() {}
 
+    /**
+     * A state specification that will be matched by all StateSets.
+     */
     public static final int[] WILD_CARD = new int[0];
+
+    /**
+     * A state set that does not contain any valid states.
+     */
     public static final int[] NOTHING = new int[] { 0 };
 
     /**
diff --git a/core/java/android/view/ScaleGestureDetector.java b/core/java/android/view/ScaleGestureDetector.java
index 7b0f1fb..37e4000 100644
--- a/core/java/android/view/ScaleGestureDetector.java
+++ b/core/java/android/view/ScaleGestureDetector.java
@@ -516,8 +516,8 @@
     }
 
     /**
-     * Return whether the stylus scale gesture, in which the user uses a stylus
-     * and presses the button, should preform scaling. {@see #setButtonScaleEnabled(boolean)}.
+     * Return whether the stylus scale gesture, in which the user uses a stylus and presses the
+     * button, should perform scaling. {@see #setStylusScaleEnabled(boolean)}
      */
     public boolean isStylusScaleEnabled() {
         return mStylusScaleEnabled;
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 126540f..9269fd2 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -17148,6 +17148,7 @@
      * drawable.
      *
      * @return The color of the ColorDrawable background, if set, otherwise 0.
+     * @hide
      */
     @ColorInt
     public int getBackgroundColor() {
diff --git a/core/java/android/view/ViewStructure.java b/core/java/android/view/ViewStructure.java
index 886547a..e525474 100644
--- a/core/java/android/view/ViewStructure.java
+++ b/core/java/android/view/ViewStructure.java
@@ -18,7 +18,6 @@
 
 import android.graphics.Rect;
 import android.os.Bundle;
-import android.text.TextPaint;
 
 /**
  * Container for storing additional per-view data generated by {@link View#onProvideStructure
diff --git a/core/java/android/view/WindowInsets.java b/core/java/android/view/WindowInsets.java
index 9e0719d..997e7e8 100644
--- a/core/java/android/view/WindowInsets.java
+++ b/core/java/android/view/WindowInsets.java
@@ -251,7 +251,7 @@
      * @return true if any inset values are nonzero
      */
     public boolean hasInsets() {
-        return hasSystemWindowInsets() || hasWindowDecorInsets();
+        return hasSystemWindowInsets() || hasWindowDecorInsets() || hasStableInsets();
     }
 
     /**
diff --git a/core/java/android/view/inputmethod/InputMethodManager.java b/core/java/android/view/inputmethod/InputMethodManager.java
index 053b35c..1c8a79b 100644
--- a/core/java/android/view/inputmethod/InputMethodManager.java
+++ b/core/java/android/view/inputmethod/InputMethodManager.java
@@ -1169,7 +1169,10 @@
         // do its stuff.
         // Life is good: let's hook everything up!
         EditorInfo tba = new EditorInfo();
-        tba.packageName = view.getContext().getPackageName();
+        // Note: Use Context#getOpPackageName() rather than Context#getPackageName() so that the
+        // system can verify the consistency between the uid of this process and package name passed
+        // from here. See comment of Context#getOpPackageName() for details.
+        tba.packageName = view.getContext().getOpPackageName();
         tba.fieldId = view.getId();
         InputConnection ic = view.onCreateInputConnection(tba);
         if (DEBUG) Log.v(TAG, "Starting input: tba=" + tba + " ic=" + ic);
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 7f85f5a..0001860 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -694,9 +694,6 @@
      */
     private boolean mForceTranscriptScroll;
 
-    private int mGlowPaddingLeft;
-    private int mGlowPaddingRight;
-
     /**
      * Used for interacting with list items from an accessibility service.
      */
@@ -3489,17 +3486,14 @@
                                     if (!mEdgeGlowBottom.isFinished()) {
                                         mEdgeGlowBottom.onRelease();
                                     }
-                                    invalidate(0, 0, getWidth(),
-                                            mEdgeGlowTop.getMaxHeight() + getPaddingTop());
+                                    invalidateTopGlow();
                                 } else if (incrementalDeltaY < 0) {
                                     mEdgeGlowBottom.onPull((float) overscroll / getHeight(),
                                             1.f - (float) x / getWidth());
                                     if (!mEdgeGlowTop.isFinished()) {
                                         mEdgeGlowTop.onRelease();
                                     }
-                                    invalidate(0, getHeight() - getPaddingBottom() -
-                                            mEdgeGlowBottom.getMaxHeight(), getWidth(),
-                                            getHeight());
+                                    invalidateBottomGlow();
                                 }
                             }
                         }
@@ -3539,17 +3533,14 @@
                             if (!mEdgeGlowBottom.isFinished()) {
                                 mEdgeGlowBottom.onRelease();
                             }
-                            invalidate(0, 0, getWidth(),
-                                    mEdgeGlowTop.getMaxHeight() + getPaddingTop());
+                            invalidateTopGlow();
                         } else if (rawDeltaY < 0) {
                             mEdgeGlowBottom.onPull((float) overScrollDistance / getHeight(),
                                     1.f - (float) x / getWidth());
                             if (!mEdgeGlowTop.isFinished()) {
                                 mEdgeGlowTop.onRelease();
                             }
-                            invalidate(0, getHeight() - getPaddingBottom() -
-                                    mEdgeGlowBottom.getMaxHeight(), getWidth(),
-                                    getHeight());
+                            invalidateBottomGlow();
                         }
                     }
                 }
@@ -3581,6 +3572,28 @@
         }
     }
 
+    private void invalidateTopGlow() {
+        if (mEdgeGlowTop == null) {
+            return;
+        }
+        final boolean clipToPadding = getClipToPadding();
+        final int top = clipToPadding ? mPaddingTop : 0;
+        final int left = clipToPadding ? mPaddingLeft : 0;
+        final int right = clipToPadding ? getWidth() - mPaddingRight : getWidth();
+        invalidate(left, top, right, top + mEdgeGlowTop.getMaxHeight());
+    }
+
+    private void invalidateBottomGlow() {
+        if (mEdgeGlowBottom == null) {
+            return;
+        }
+        final boolean clipToPadding = getClipToPadding();
+        final int bottom = clipToPadding ? getHeight() - mPaddingBottom : getHeight();
+        final int left = clipToPadding ? mPaddingLeft : 0;
+        final int right = clipToPadding ? getWidth() - mPaddingRight : getWidth();
+        invalidate(left, bottom - mEdgeGlowBottom.getMaxHeight(), right, bottom);
+    }
+
     @Override
     public void onTouchModeChanged(boolean isInTouchMode) {
         if (isInTouchMode) {
@@ -4142,47 +4155,53 @@
         super.draw(canvas);
         if (mEdgeGlowTop != null) {
             final int scrollY = mScrollY;
+            final boolean clipToPadding = getClipToPadding();
+            final int width;
+            final int height;
+            final int translateX;
+            final int translateY;
+
+            if (clipToPadding) {
+                width = getWidth() - mPaddingLeft - mPaddingRight;
+                height = getHeight() - mPaddingTop - mPaddingBottom;
+                translateX = mPaddingLeft;
+                translateY = mPaddingTop;
+            } else {
+                width = getWidth();
+                height = getHeight();
+                translateX = 0;
+                translateY = 0;
+            }
             if (!mEdgeGlowTop.isFinished()) {
                 final int restoreCount = canvas.save();
-                final int width = getWidth();
-
-                int edgeY = Math.min(0, scrollY + mFirstPositionDistanceGuess);
-                canvas.translate(0, edgeY);
-                mEdgeGlowTop.setSize(width, getHeight());
+                canvas.clipRect(translateX, translateY,
+                         translateX + width ,translateY + mEdgeGlowTop.getMaxHeight());
+                final int edgeY = Math.min(0, scrollY + mFirstPositionDistanceGuess) + translateY;
+                canvas.translate(translateX, edgeY);
+                mEdgeGlowTop.setSize(width, height);
                 if (mEdgeGlowTop.draw(canvas)) {
-                    invalidate(0, 0, getWidth(),
-                            mEdgeGlowTop.getMaxHeight() + getPaddingTop());
+                    invalidateTopGlow();
                 }
                 canvas.restoreToCount(restoreCount);
             }
             if (!mEdgeGlowBottom.isFinished()) {
                 final int restoreCount = canvas.save();
-                final int width = getWidth();
-                final int height = getHeight();
-
-                int edgeX = -width;
-                int edgeY = Math.max(height, scrollY + mLastPositionDistanceGuess);
+                canvas.clipRect(translateX, translateY + height - mEdgeGlowBottom.getMaxHeight(),
+                        translateX + width, translateY + height);
+                final int edgeX = -width + translateX;
+                final int edgeY = Math.max(getHeight(), scrollY + mLastPositionDistanceGuess)
+                        - (clipToPadding ? mPaddingBottom : 0);
                 canvas.translate(edgeX, edgeY);
                 canvas.rotate(180, width, 0);
                 mEdgeGlowBottom.setSize(width, height);
                 if (mEdgeGlowBottom.draw(canvas)) {
-                    invalidate(0, getHeight() - getPaddingBottom() -
-                            mEdgeGlowBottom.getMaxHeight(), getWidth(),
-                            getHeight());
+                    invalidateBottomGlow();
                 }
                 canvas.restoreToCount(restoreCount);
             }
         }
     }
 
-    /**
-     * @hide
-     */
-    public void setOverScrollEffectPadding(int leftPadding, int rightPadding) {
-        mGlowPaddingLeft = leftPadding;
-        mGlowPaddingRight = rightPadding;
-    }
-
     private void initOrResetVelocityTracker() {
         if (mVelocityTracker == null) {
             mVelocityTracker = VelocityTracker.obtain();
@@ -5309,13 +5328,6 @@
     }
 
     @Override
-    void syncSelectedItem() {
-        if (mDataChanged) {
-            layoutChildren();
-        }
-    }
-
-    @Override
     protected void handleDataChanged() {
         int count = mItemCount;
         int lastHandledItemCount = mLastHandledItemCount;
diff --git a/core/java/android/widget/AdapterView.java b/core/java/android/widget/AdapterView.java
index cfe02bd..6962711 100644
--- a/core/java/android/widget/AdapterView.java
+++ b/core/java/android/widget/AdapterView.java
@@ -551,67 +551,37 @@
     }
 
     /**
-     * Returns the position of the currently selected item within the adapter's
-     * data set, or {@link #INVALID_POSITION} if there is nothing selected.
-     * <p>
-     * <strong>Note:</strong> Prior to {@link android.os.Build.VERSION_CODES#MNC},
-     * calling this method between an adapter data set change and a subsequent
-     * layout pass could return invalid data.
+     * Return the position of the currently selected item within the adapter's data set
      *
-     * @return the selected item's position (starting at 0), or
-     *         {@link #INVALID_POSITION} if there is nothing selected
+     * @return int Position (starting at 0), or {@link #INVALID_POSITION} if there is nothing selected.
      */
     @ViewDebug.CapturedViewProperty
     public int getSelectedItemPosition() {
-        syncSelectedItem();
         return mNextSelectedPosition;
     }
 
     /**
-     * Returns the row ID corresponding to the currently selected item, or
-     * {@link #INVALID_ROW_ID} if nothing is selected.
-     * <p>
-     * <strong>Note:</strong> Prior to {@link android.os.Build.VERSION_CODES#MNC},
-     * calling this method between an adapter data set change and a subsequent
-     * layout pass could return invalid data.
-     *
-     * @return the selected item's row ID, or {@link #INVALID_ROW_ID} if
-     *         nothing is selected
+     * @return The id corresponding to the currently selected item, or {@link #INVALID_ROW_ID}
+     * if nothing is selected.
      */
     @ViewDebug.CapturedViewProperty
     public long getSelectedItemId() {
-        syncSelectedItem();
         return mNextSelectedRowId;
     }
 
     /**
-     * Returns the view corresponding to the currently selected item, or
-     * {@code null} if nothing is selected.
-     * <p>
-     * <strong>Note:</strong> Prior to {@link android.os.Build.VERSION_CODES#MNC},
-     * calling this method between an adapter data set change and a subsequent
-     * layout pass could return inconsistent data.
-     *
-     * @return the selected item's view, or {@code null} if nothing is selected
+     * @return The view corresponding to the currently selected item, or null
+     * if nothing is selected
      */
-    @Nullable
     public abstract View getSelectedView();
 
     /**
-     * Returns the data corresponding to the currently selected item, or
-     * {@code null} if nothing is selected.
-     * <p>
-     * <strong>Note:</strong> Prior to {@link android.os.Build.VERSION_CODES#MNC},
-     * calling this method between an adapter data set change and a subsequent
-     * layout pass could return inconsistent data.
-     *
-     * @return the data corresponding to the currently selected item, or
-     *         {@code null} if there is nothing selected.
+     * @return The data corresponding to the currently selected item, or
+     * null if there is nothing selected.
      */
-    @Nullable
     public Object getSelectedItem() {
-        final T adapter = getAdapter();
-        final int selection = getSelectedItemPosition();
+        T adapter = getAdapter();
+        int selection = getSelectedItemPosition();
         if (adapter != null && adapter.getCount() > 0 && selection >= 0) {
             return adapter.getItem(selection);
         } else {
@@ -620,15 +590,6 @@
     }
 
     /**
-     * Synchronizes the selected item's position and ID, if necessary.
-     */
-    void syncSelectedItem() {
-        if (mDataChanged) {
-            onLayout(false, mLeft, mTop, mRight, mBottom);
-        }
-    }
-
-    /**
      * @return The number of items owned by the Adapter associated with this
      *         AdapterView. (This is the number of data items, which may be
      *         larger than the number of visible views.)
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 56f9b5c..c8d8241 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -125,6 +125,15 @@
     // Tag used when the Editor maintains its own separate UndoManager.
     private static final String UNDO_OWNER_TAG = "Editor";
 
+    // Ordering constants used to place the Action Mode items in their menu.
+    private static final int MENU_ITEM_ORDER_CUT = 1;
+    private static final int MENU_ITEM_ORDER_COPY = 2;
+    private static final int MENU_ITEM_ORDER_PASTE = 3;
+    private static final int MENU_ITEM_ORDER_SHARE = 4;
+    private static final int MENU_ITEM_ORDER_SELECT_ALL = 5;
+    private static final int MENU_ITEM_ORDER_REPLACE = 6;
+    private static final int MENU_ITEM_ORDER_PROCESS_TEXT_INTENT_ACTIONS_START = 10;
+
     // Each Editor manages its own undo stack.
     private final UndoManager mUndoManager = new UndoManager();
     private UndoOwner mUndoOwner = mUndoManager.getOwner(UNDO_OWNER_TAG, this);
@@ -134,7 +143,8 @@
     // Cursor Controllers.
     InsertionPointCursorController mInsertionPointCursorController;
     SelectionModifierCursorController mSelectionModifierCursorController;
-    ActionMode mSelectionActionMode;
+    // Action mode used when text is selected or when actions on an insertion cursor are triggered.
+    ActionMode mTextActionMode;
     boolean mInsertionControllerEnabled;
     boolean mSelectionControllerEnabled;
 
@@ -205,13 +215,14 @@
 
     float mLastDownPositionX, mLastDownPositionY;
     Callback mCustomSelectionActionModeCallback;
+    Callback mCustomInsertionActionModeCallback;
 
     // Set when this TextView gained focus with some text selected. Will start selection mode.
     boolean mCreatedWithASelection;
 
     boolean mDoubleTap = false;
 
-    private Runnable mSelectionModeWithoutSelectionRunnable;
+    private Runnable mInsertionActionModeRunnable;
 
     // The span controller helps monitoring the changes to which the Editor needs to react:
     // - EasyEditSpans, for which we have some UI to display on attach and on hide
@@ -236,8 +247,8 @@
     private final Runnable mHideFloatingToolbar = new Runnable() {
         @Override
         public void run() {
-            if (mSelectionActionMode != null) {
-                mSelectionActionMode.snooze(ActionMode.SNOOZE_TIME_DEFAULT);
+            if (mTextActionMode != null) {
+                mTextActionMode.snooze(ActionMode.SNOOZE_TIME_DEFAULT);
             }
         }
     };
@@ -245,8 +256,8 @@
     private final Runnable mShowFloatingToolbar = new Runnable() {
         @Override
         public void run() {
-            if (mSelectionActionMode != null) {
-                mSelectionActionMode.snooze(0);  // snooze off.
+            if (mTextActionMode != null) {
+                mTextActionMode.snooze(0);  // snooze off.
             }
         }
     };
@@ -310,7 +321,7 @@
 
     void replace() {
         int middle = (mTextView.getSelectionStart() + mTextView.getSelectionEnd()) / 2;
-        stopSelectionActionMode();
+        stopTextActionMode();
         Selection.setSelection((Spannable) mTextView.getText(), middle);
         showSuggestions();
     }
@@ -343,7 +354,7 @@
             mTextView.setHasTransientState(false);
 
             // We had an active selection from before, start the selection mode.
-            startSelectionActionModeWithSelection();
+            startSelectionActionMode();
         }
 
         getPositionListener().addSubscriber(mCursorAnchorInfoNotifier, true);
@@ -372,8 +383,8 @@
         }
 
         // Cancel the single tap delayed runnable.
-        if (mSelectionModeWithoutSelectionRunnable != null) {
-            mTextView.removeCallbacks(mSelectionModeWithoutSelectionRunnable);
+        if (mInsertionActionModeRunnable != null) {
+            mTextView.removeCallbacks(mInsertionActionModeRunnable);
         }
 
         mTextView.removeCallbacks(mHideFloatingToolbar);
@@ -390,7 +401,7 @@
 
         mPreserveDetachedSelection = true;
         hideControllers();
-        stopSelectionActionMode();
+        stopTextActionMode();
         mPreserveDetachedSelection = false;
         mTemporaryDetach = false;
     }
@@ -586,7 +597,7 @@
         }
 
         if (!mSelectionControllerEnabled) {
-            stopSelectionActionMode();
+            stopTextActionMode();
             if (mSelectionModifierCursorController != null) {
                 mSelectionModifierCursorController.onDetached();
                 mSelectionModifierCursorController = null;
@@ -984,14 +995,14 @@
                 mInsertionControllerEnabled) {
             final int offset = mTextView.getOffsetForPosition(mLastDownPositionX,
                     mLastDownPositionY);
-            stopSelectionActionMode();
+            stopTextActionMode();
             Selection.setSelection((Spannable) mTextView.getText(), offset);
             getInsertionController().show();
-            startSelectionActionModeWithoutSelection();
+            startInsertionActionMode();
             handled = true;
         }
 
-        if (!handled && mSelectionActionMode != null) {
+        if (!handled && mTextActionMode != null) {
             if (touchPositionIsInSelection()) {
                 // Start a drag
                 final int start = mTextView.getSelectionStart();
@@ -1001,9 +1012,9 @@
                 DragLocalState localState = new DragLocalState(mTextView, start, end);
                 mTextView.startDrag(data, getTextThumbnailBuilder(selectedText), localState,
                         View.DRAG_FLAG_GLOBAL);
-                stopSelectionActionMode();
+                stopTextActionMode();
             } else {
-                stopSelectionActionMode();
+                stopTextActionMode();
                 selectCurrentWordAndStartDrag();
             }
             handled = true;
@@ -1101,12 +1112,12 @@
                 final int selStart = mTextView.getSelectionStart();
                 final int selEnd = mTextView.getSelectionEnd();
                 hideControllers();
-                stopSelectionActionMode();
+                stopTextActionMode();
                 Selection.setSelection((Spannable) mTextView.getText(), selStart, selEnd);
             } else {
                 if (mTemporaryDetach) mPreserveDetachedSelection = true;
                 hideControllers();
-                stopSelectionActionMode();
+                stopTextActionMode();
                 if (mTemporaryDetach) mPreserveDetachedSelection = false;
                 downgradeEasyCorrectionSpans();
             }
@@ -1149,7 +1160,7 @@
         // We do not hide the span controllers, since they can be added when a new text is
         // inserted into the text view (voice IME).
         hideCursorControllers();
-        stopSelectionActionMode();
+        stopTextActionMode();
     }
 
     private int getLastTapPosition() {
@@ -1216,7 +1227,7 @@
     }
 
     private void updateFloatingToolbarVisibility(MotionEvent event) {
-        if (mSelectionActionMode != null) {
+        if (mTextActionMode != null) {
             switch (event.getActionMasked()) {
                 case MotionEvent.ACTION_MOVE:
                     hideFloatingToolbar();
@@ -1229,7 +1240,7 @@
     }
 
     private void hideFloatingToolbar() {
-        if (mSelectionActionMode != null) {
+        if (mTextActionMode != null) {
             mTextView.removeCallbacks(mShowFloatingToolbar);
             // Delay the "hide" a little bit just in case a "show" will happen almost immediately.
             mTextView.postDelayed(mHideFloatingToolbar, 100);
@@ -1237,7 +1248,7 @@
     }
 
     private void showFloatingToolbar() {
-        if (mSelectionActionMode != null) {
+        if (mTextActionMode != null) {
             mTextView.removeCallbacks(mHideFloatingToolbar);
             // Delay "show" so it doesn't interfere with click confirmations
             // or double-clicks that could "dismiss" the floating toolbar.
@@ -1701,26 +1712,20 @@
     /**
      * @return true if the selection mode was actually started.
      */
-    private boolean startSelectionActionModeWithoutSelection() {
+    private boolean startInsertionActionMode() {
+        if (mInsertionActionModeRunnable != null) {
+            mTextView.removeCallbacks(mInsertionActionModeRunnable);
+        }
         if (extractedTextModeWillBeStarted()) {
-            // Cancel the single tap delayed runnable.
-            if (mSelectionModeWithoutSelectionRunnable != null) {
-                mTextView.removeCallbacks(mSelectionModeWithoutSelectionRunnable);
-            }
-
             return false;
         }
+        stopTextActionMode();
 
-        if (mSelectionActionMode != null) {
-            // Selection action mode is already started
-            // TODO: revisit invocations to minimize this case.
-            mSelectionActionMode.invalidate();
-            return false;
-        }
-        ActionMode.Callback actionModeCallback = new SelectionActionModeCallback();
-        mSelectionActionMode = mTextView.startActionMode(
+        ActionMode.Callback actionModeCallback =
+                new TextActionModeCallback(false /* hasSelection */);
+        mTextActionMode = mTextView.startActionMode(
                 actionModeCallback, ActionMode.TYPE_FLOATING);
-        return mSelectionActionMode != null;
+        return mTextActionMode != null;
     }
 
     /**
@@ -1730,8 +1735,8 @@
      *
      * @return true if the selection mode was actually started.
      */
-    boolean startSelectionActionModeWithSelection() {
-        boolean selectionStarted = startSelectionActionModeWithSelectionInternal();
+    boolean startSelectionActionMode() {
+        boolean selectionStarted = startSelectionActionModeInternal();
         if (selectionStarted) {
             getSelectionController().show();
         } else if (getInsertionController() != null) {
@@ -1749,17 +1754,23 @@
     private boolean selectCurrentWordAndStartDrag() {
         if (extractedTextModeWillBeStarted()) {
             // Cancel the single tap delayed runnable.
-            if (mSelectionModeWithoutSelectionRunnable != null) {
-                mTextView.removeCallbacks(mSelectionModeWithoutSelectionRunnable);
+            if (mInsertionActionModeRunnable != null) {
+                mTextView.removeCallbacks(mInsertionActionModeRunnable);
             }
             return false;
         }
-        if (mSelectionActionMode != null) {
-            mSelectionActionMode.finish();
+        if (mTextActionMode != null) {
+            mTextActionMode.finish();
         }
         if (!checkFieldAndSelectCurrentWord()) {
             return false;
         }
+
+        // Avoid dismissing the selection if it exists.
+        mPreserveDetachedSelection = true;
+        stopTextActionMode();
+        mPreserveDetachedSelection = false;
+
         getSelectionController().enterDrag();
         return true;
     }
@@ -1784,10 +1795,10 @@
         return true;
     }
 
-    private boolean startSelectionActionModeWithSelectionInternal() {
-        if (mSelectionActionMode != null) {
+    private boolean startSelectionActionModeInternal() {
+        if (mTextActionMode != null) {
             // Selection action mode is already started
-            mSelectionActionMode.invalidate();
+            mTextActionMode.invalidate();
             return false;
         }
 
@@ -1800,12 +1811,13 @@
         // Do not start the action mode when extracted text will show up full screen, which would
         // immediately hide the newly created action bar and would be visually distracting.
         if (!willExtract) {
-            ActionMode.Callback actionModeCallback = new SelectionActionModeCallback();
-            mSelectionActionMode = mTextView.startActionMode(
+            ActionMode.Callback actionModeCallback =
+                    new TextActionModeCallback(true /* hasSelection */);
+            mTextActionMode = mTextView.startActionMode(
                     actionModeCallback, ActionMode.TYPE_FLOATING);
         }
 
-        final boolean selectionStarted = mSelectionActionMode != null || willExtract;
+        final boolean selectionStarted = mTextActionMode != null || willExtract;
         if (selectionStarted && !mTextView.isTextSelectable() && mShowSoftInputOnFocus) {
             // Show the IME to be able to replace text, except when selecting non editable text.
             final InputMethodManager imm = InputMethodManager.peekInstance();
@@ -1906,7 +1918,7 @@
     void onTouchUpEvent(MotionEvent event) {
         boolean selectAllGotFocus = mSelectAllOnFocus && mTextView.didTouchFocusSelect();
         hideControllers();
-        stopSelectionActionMode();
+        stopTextActionMode();
         CharSequence text = mTextView.getText();
         if (!selectAllGotFocus && text.length() > 0) {
             // Move cursor
@@ -1920,8 +1932,8 @@
             if (!extractedTextModeWillBeStarted()) {
                 if (isCursorInsideEasyCorrectionSpan()) {
                     // Cancel the single tap delayed runnable.
-                    if (mSelectionModeWithoutSelectionRunnable != null) {
-                        mTextView.removeCallbacks(mSelectionModeWithoutSelectionRunnable);
+                    if (mInsertionActionModeRunnable != null) {
+                        mTextView.removeCallbacks(mInsertionActionModeRunnable);
                     }
 
                     mShowSuggestionRunnable = new Runnable() {
@@ -1939,10 +1951,10 @@
         }
     }
 
-    protected void stopSelectionActionMode() {
-        if (mSelectionActionMode != null) {
+    protected void stopTextActionMode() {
+        if (mTextActionMode != null) {
             // This will hide the mSelectionModifierCursorController
-            mSelectionActionMode.finish();
+            mTextActionMode.finish();
         }
     }
 
@@ -2027,7 +2039,7 @@
             mSuggestionsPopupWindow = new SuggestionsPopupWindow();
         }
         hideControllers();
-        stopSelectionActionMode();
+        stopTextActionMode();
         mSuggestionsPopupWindow.show();
     }
 
@@ -2035,8 +2047,8 @@
         if (mPositionListener != null) {
             mPositionListener.onScrollChanged();
         }
-        if (mSelectionActionMode != null) {
-            mSelectionActionMode.invalidateContentRect();
+        if (mTextActionMode != null) {
+            mTextActionMode.invalidateContentRect();
         }
     }
 
@@ -3087,46 +3099,54 @@
     }
 
     /**
-     * An ActionMode Callback class that is used to provide actions while in text selection mode.
+     * An ActionMode Callback class that is used to provide actions while in text insertion or
+     * selection mode.
      *
-     * The default callback provides a subset of Select All, Cut, Copy and Paste actions, depending
-     * on which of these this TextView supports.
+     * The default callback provides a subset of Select All, Cut, Copy, Paste, Share and Replace
+     * actions, depending on which of these this TextView supports and the current selection.
      */
-    private class SelectionActionModeCallback extends ActionMode.Callback2 {
+    private class TextActionModeCallback extends ActionMode.Callback2 {
         private final Path mSelectionPath = new Path();
         private final RectF mSelectionBounds = new RectF();
+        private final boolean mHasSelection;
 
-        private int mSelectionHandleHeight;
-        private int mInsertionHandleHeight;
+        private int mHandleHeight;
 
-        public SelectionActionModeCallback() {
-            SelectionModifierCursorController selectionController = getSelectionController();
-            if (selectionController.mStartHandle == null) {
-                // As these are for initializing selectionController, hide() must be called.
-                selectionController.initDrawables();
-                selectionController.initHandles();
-                selectionController.hide();
-            }
-            mSelectionHandleHeight = Math.max(
-                    mSelectHandleLeft.getMinimumHeight(), mSelectHandleRight.getMinimumHeight());
-            InsertionPointCursorController insertionController = getInsertionController();
-            if (insertionController != null) {
-                insertionController.getHandle();
-                mInsertionHandleHeight = mSelectHandleCenter.getMinimumHeight();
+        public TextActionModeCallback(boolean hasSelection) {
+            mHasSelection = hasSelection;
+            if (mHasSelection) {
+                SelectionModifierCursorController selectionController = getSelectionController();
+                if (selectionController.mStartHandle == null) {
+                    // As these are for initializing selectionController, hide() must be called.
+                    selectionController.initDrawables();
+                    selectionController.initHandles();
+                    selectionController.hide();
+                }
+                mHandleHeight = Math.max(
+                        mSelectHandleLeft.getMinimumHeight(),
+                        mSelectHandleRight.getMinimumHeight());
+            } else {
+                InsertionPointCursorController insertionController = getInsertionController();
+                if (insertionController != null) {
+                    insertionController.getHandle();
+                    mHandleHeight = mSelectHandleCenter.getMinimumHeight();
+                }
             }
         }
 
         @Override
         public boolean onCreateActionMode(ActionMode mode, Menu menu) {
-            mode.setTitle(mTextView.getContext().getString(
-                    com.android.internal.R.string.textSelectionCABTitle));
+            mode.setTitle(null);
             mode.setSubtitle(null);
             mode.setTitleOptionalHint(true);
             populateMenuWithItems(menu);
 
-            if (mCustomSelectionActionModeCallback != null) {
-                if (!mCustomSelectionActionModeCallback.onCreateActionMode(mode, menu)) {
-                    // The custom mode can choose to cancel the action mode
+            Callback customCallback = getCustomCallback();
+            if (customCallback != null) {
+                if (!customCallback.onCreateActionMode(mode, menu)) {
+                    // The custom mode can choose to cancel the action mode, dismiss selection.
+                    Selection.setSelection((Spannable) mTextView.getText(),
+                            mTextView.getSelectionEnd());
                     return false;
                 }
             }
@@ -3141,36 +3161,41 @@
             }
         }
 
+        private Callback getCustomCallback() {
+            return mHasSelection
+                    ? mCustomSelectionActionModeCallback
+                    : mCustomInsertionActionModeCallback;
+        }
+
         private void populateMenuWithItems(Menu menu) {
             if (mTextView.canCut()) {
-                menu.add(0, TextView.ID_CUT, 0, com.android.internal.R.string.cut).
+                menu.add(Menu.NONE, TextView.ID_CUT, MENU_ITEM_ORDER_CUT,
+                        com.android.internal.R.string.cut).
                     setAlphabeticShortcut('x').
                     setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
             }
 
             if (mTextView.canCopy()) {
-                menu.add(0, TextView.ID_COPY, 0, com.android.internal.R.string.copy).
+                menu.add(Menu.NONE, TextView.ID_COPY, MENU_ITEM_ORDER_COPY,
+                        com.android.internal.R.string.copy).
                     setAlphabeticShortcut('c').
                     setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
             }
 
             if (mTextView.canPaste()) {
-                menu.add(0, TextView.ID_PASTE, 0, com.android.internal.R.string.paste).
-                        setAlphabeticShortcut('v').
-                        setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
+                menu.add(Menu.NONE, TextView.ID_PASTE, MENU_ITEM_ORDER_PASTE,
+                        com.android.internal.R.string.paste).
+                    setAlphabeticShortcut('v').
+                    setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
             }
 
             if (mTextView.canShare()) {
-                menu.add(0, TextView.ID_SHARE, 0, com.android.internal.R.string.share).
-                        setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+                menu.add(Menu.NONE, TextView.ID_SHARE, MENU_ITEM_ORDER_SHARE,
+                        com.android.internal.R.string.share).
+                    setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
             }
 
-            if (mTextView.canSelectAllText()) {
-                menu.add(0, TextView.ID_SELECT_ALL, 0, com.android.internal.R.string.selectAll).
-                        setAlphabeticShortcut('a').
-                        setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
-            }
-
+            updateSelectAllItem(menu);
             updateReplaceItem(menu);
         }
 
@@ -3179,8 +3204,11 @@
                 PackageManager packageManager = mTextView.getContext().getPackageManager();
                 List<ResolveInfo> supportedActivities =
                         packageManager.queryIntentActivities(createProcessTextIntent(), 0);
-                for (ResolveInfo info : supportedActivities) {
-                    menu.add(info.loadLabel(packageManager))
+                for (int i = 0; i < supportedActivities.size(); ++i) {
+                    ResolveInfo info = supportedActivities.get(i);
+                    menu.add(Menu.NONE, Menu.NONE,
+                            MENU_ITEM_ORDER_PROCESS_TEXT_INTENT_ACTIONS_START + i,
+                            info.loadLabel(packageManager))
                         .setIntent(createProcessTextIntentForResolveInfo(info))
                         .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
                 }
@@ -3201,20 +3229,35 @@
 
         @Override
         public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+            updateSelectAllItem(menu);
             updateReplaceItem(menu);
 
-            if (mCustomSelectionActionModeCallback != null) {
-                return mCustomSelectionActionModeCallback.onPrepareActionMode(mode, menu);
+            Callback customCallback = getCustomCallback();
+            if (customCallback != null) {
+                return customCallback.onPrepareActionMode(mode, menu);
             }
             return true;
         }
 
+        private void updateSelectAllItem(Menu menu) {
+            boolean canSelectAll = mTextView.canSelectAllText();
+            boolean selectAllItemExists = menu.findItem(TextView.ID_SELECT_ALL) != null;
+            if (canSelectAll && !selectAllItemExists) {
+                menu.add(Menu.NONE, TextView.ID_SELECT_ALL, MENU_ITEM_ORDER_SELECT_ALL,
+                        com.android.internal.R.string.selectAll)
+                    .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+            } else if (!canSelectAll && selectAllItemExists) {
+                menu.removeItem(TextView.ID_SELECT_ALL);
+            }
+        }
+
         private void updateReplaceItem(Menu menu) {
             boolean canReplace = mTextView.isSuggestionsEnabled() && shouldOfferToShowSuggestions();
             boolean replaceItemExists = menu.findItem(TextView.ID_REPLACE) != null;
             if (canReplace && !replaceItemExists) {
-                menu.add(0, TextView.ID_REPLACE, 0, com.android.internal.R.string.replace).
-                    setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+                menu.add(Menu.NONE, TextView.ID_REPLACE, MENU_ITEM_ORDER_REPLACE,
+                        com.android.internal.R.string.replace)
+                    .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
             } else if (!canReplace && replaceItemExists) {
                 menu.removeItem(TextView.ID_REPLACE);
             }
@@ -3230,8 +3273,8 @@
                         item.getIntent(), TextView.PROCESS_TEXT_REQUEST_CODE);
                 return true;
             }
-            if (mCustomSelectionActionModeCallback != null &&
-                 mCustomSelectionActionModeCallback.onActionItemClicked(mode, item)) {
+            Callback customCallback = getCustomCallback();
+            if (customCallback != null && customCallback.onActionItemClicked(mode, item)) {
                 return true;
             }
             return mTextView.onTextContextMenuItem(item.getItemId());
@@ -3239,8 +3282,9 @@
 
         @Override
         public void onDestroyActionMode(ActionMode mode) {
-            if (mCustomSelectionActionModeCallback != null) {
-                mCustomSelectionActionModeCallback.onDestroyActionMode(mode);
+            Callback customCallback = getCustomCallback();
+            if (customCallback != null) {
+                customCallback.onDestroyActionMode(mode);
             }
 
             /*
@@ -3259,7 +3303,7 @@
                 mSelectionModifierCursorController.resetTouchOffsets();
             }
 
-            mSelectionActionMode = null;
+            mTextActionMode = null;
         }
 
         @Override
@@ -3274,7 +3318,7 @@
                 mTextView.getLayout().getSelectionPath(
                         mTextView.getSelectionStart(), mTextView.getSelectionEnd(), mSelectionPath);
                 mSelectionPath.computeBounds(mSelectionBounds, true);
-                mSelectionBounds.bottom += mSelectionHandleHeight;
+                mSelectionBounds.bottom += mHandleHeight;
             } else if (mCursorCount == 2) {
                 // We have a split cursor. In this case, we take the rectangle that includes both
                 // parts of the cursor to ensure we don't obscure either of them.
@@ -3285,7 +3329,7 @@
                         Math.min(firstCursorBounds.top, secondCursorBounds.top),
                         Math.max(firstCursorBounds.right, secondCursorBounds.right),
                         Math.max(firstCursorBounds.bottom, secondCursorBounds.bottom)
-                            + mInsertionHandleHeight);
+                                + mHandleHeight);
             } else {
                 // We have a single cursor.
                 int line = mTextView.getLayout().getLineForOffset(mTextView.getSelectionStart());
@@ -3295,7 +3339,7 @@
                         primaryHorizontal,
                         mTextView.getLayout().getLineTop(line),
                         primaryHorizontal + 1,
-                        mTextView.getLayout().getLineTop(line + 1) + mInsertionHandleHeight);
+                        mTextView.getLayout().getLineTop(line + 1) + mHandleHeight);
             }
             // Take TextView's padding and scroll into account.
             int textHorizontalOffset = mTextView.viewportToContentHorizontalOffset();
@@ -3847,25 +3891,25 @@
                     SystemClock.uptimeMillis() - TextView.sLastCutCopyOrTextChangedTime;
 
             // Cancel the single tap delayed runnable.
-            if (mSelectionModeWithoutSelectionRunnable != null
+            if (mInsertionActionModeRunnable != null
                     && (mDoubleTap || isCursorInsideEasyCorrectionSpan())) {
-                mTextView.removeCallbacks(mSelectionModeWithoutSelectionRunnable);
+                mTextView.removeCallbacks(mInsertionActionModeRunnable);
             }
 
             // Prepare and schedule the single tap runnable to run exactly after the double tap
             // timeout has passed.
             if (!mDoubleTap && !isCursorInsideEasyCorrectionSpan()
                     && (durationSinceCutOrCopy < RECENT_CUT_COPY_DURATION)) {
-                if (mSelectionModeWithoutSelectionRunnable == null) {
-                    mSelectionModeWithoutSelectionRunnable = new Runnable() {
+                if (mInsertionActionModeRunnable == null) {
+                    mInsertionActionModeRunnable = new Runnable() {
                         public void run() {
-                            startSelectionActionModeWithoutSelection();
+                            startInsertionActionMode();
                         }
                     };
                 }
 
                 mTextView.postDelayed(
-                        mSelectionModeWithoutSelectionRunnable,
+                        mInsertionActionModeRunnable,
                         ViewConfiguration.getDoubleTapTimeout() + 1);
             }
 
@@ -3934,15 +3978,15 @@
 
                         if (distanceSquared < touchSlop * touchSlop) {
                             // Tapping on the handle toggles the selection action mode.
-                            if (mSelectionActionMode != null) {
-                                mSelectionActionMode.finish();
+                            if (mTextActionMode != null) {
+                                mTextActionMode.finish();
                             } else {
-                                startSelectionActionModeWithoutSelection();
+                                startInsertionActionMode();
                             }
                         }
                     } else {
-                        if (mSelectionActionMode != null) {
-                            mSelectionActionMode.invalidateContentRect();
+                        if (mTextActionMode != null) {
+                            mTextActionMode.invalidateContentRect();
                         }
                     }
                     hideAfterDelay();
@@ -3972,8 +4016,8 @@
         @Override
         public void updatePosition(float x, float y) {
             positionAtCursorOffset(mTextView.getOffsetForPosition(x, y), false);
-            if (mSelectionActionMode != null) {
-                mSelectionActionMode.invalidate();
+            if (mTextActionMode != null) {
+                mTextActionMode.invalidate();
             }
         }
 
@@ -4024,8 +4068,8 @@
             Selection.setSelection((Spannable) mTextView.getText(), offset,
                     mTextView.getSelectionEnd());
             updateDrawable();
-            if (mSelectionActionMode != null) {
-                mSelectionActionMode.invalidate();
+            if (mTextActionMode != null) {
+                mTextActionMode.invalidate();
             }
         }
 
@@ -4150,8 +4194,8 @@
         public void updateSelection(int offset) {
             Selection.setSelection((Spannable) mTextView.getText(),
                     mTextView.getSelectionStart(), offset);
-            if (mSelectionActionMode != null) {
-                mSelectionActionMode.invalidate();
+            if (mTextActionMode != null) {
+                mTextActionMode.invalidate();
             }
             updateDrawable();
         }
@@ -4515,7 +4559,7 @@
                         mEndHandle.showAtLocation(endOffset);
 
                         // No longer the first dragging motion, reset.
-                        startSelectionActionModeWithSelection();
+                        startSelectionActionMode();
                         mDragAcceleratorActive = false;
                         mStartOffset = -1;
                     }
diff --git a/core/java/android/widget/ImageView.java b/core/java/android/widget/ImageView.java
index 73a873a..6b28f89 100644
--- a/core/java/android/widget/ImageView.java
+++ b/core/java/android/widget/ImageView.java
@@ -1088,8 +1088,8 @@
             } else if (ScaleType.CENTER == mScaleType) {
                 // Center bitmap in view, no scaling.
                 mDrawMatrix = mMatrix;
-                mDrawMatrix.setTranslate((int) ((vwidth - dwidth) * 0.5f + 0.5f),
-                                         (int) ((vheight - dheight) * 0.5f + 0.5f));
+                mDrawMatrix.setTranslate(Math.round((vwidth - dwidth) * 0.5f),
+                                         Math.round((vheight - dheight) * 0.5f));
             } else if (ScaleType.CENTER_CROP == mScaleType) {
                 mDrawMatrix = mMatrix;
 
@@ -1105,7 +1105,7 @@
                 }
 
                 mDrawMatrix.setScale(scale, scale);
-                mDrawMatrix.postTranslate((int) (dx + 0.5f), (int) (dy + 0.5f));
+                mDrawMatrix.postTranslate(Math.round(dx), Math.round(dy));
             } else if (ScaleType.CENTER_INSIDE == mScaleType) {
                 mDrawMatrix = mMatrix;
                 float scale;
@@ -1119,8 +1119,8 @@
                             (float) vheight / (float) dheight);
                 }
                 
-                dx = (int) ((vwidth - dwidth * scale) * 0.5f + 0.5f);
-                dy = (int) ((vheight - dheight * scale) * 0.5f + 0.5f);
+                dx = Math.round((vwidth - dwidth * scale) * 0.5f);
+                dy = Math.round((vheight - dheight * scale) * 0.5f);
 
                 mDrawMatrix.setScale(scale, scale);
                 mDrawMatrix.postTranslate(dx, dy);
diff --git a/core/java/android/widget/MediaController.java b/core/java/android/widget/MediaController.java
index 97348e30..ff2f22b 100644
--- a/core/java/android/widget/MediaController.java
+++ b/core/java/android/widget/MediaController.java
@@ -28,13 +28,15 @@
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
-import com.android.internal.policy.PhoneWindow;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.Window;
 import android.view.WindowManager;
+import android.view.accessibility.AccessibilityManager;
 import android.widget.SeekBar.OnSeekBarChangeListener;
 
+import com.android.internal.policy.PhoneWindow;
+
 import java.util.Formatter;
 import java.util.Locale;
 
@@ -44,7 +46,7 @@
  * slider. It takes care of synchronizing the controls with the state
  * of the MediaPlayer.
  * <p>
- * The way to use this class is to instantiate it programatically.
+ * The way to use this class is to instantiate it programmatically.
  * The MediaController will create a default set of controls
  * and put them in a window floating above your application. Specifically,
  * the controls will float above the view specified with setAnchorView().
@@ -69,7 +71,7 @@
 public class MediaController extends FrameLayout {
 
     private MediaPlayerControl mPlayer;
-    private Context mContext;
+    private final Context mContext;
     private View mAnchor;
     private View mRoot;
     private WindowManager mWindowManager;
@@ -83,7 +85,7 @@
     private static final int sDefaultTimeout = 3000;
     private static final int FADE_OUT = 1;
     private static final int SHOW_PROGRESS = 2;
-    private boolean mUseFastForward;
+    private final boolean mUseFastForward;
     private boolean mFromXml;
     private boolean mListenersSet;
     private View.OnClickListener mNextListener, mPrevListener;
@@ -96,6 +98,7 @@
     private ImageButton mPrevButton;
     private CharSequence mPlayDescription;
     private CharSequence mPauseDescription;
+    private final AccessibilityManager mAccessibilityManager;
 
     public MediaController(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -103,6 +106,7 @@
         mContext = context;
         mUseFastForward = true;
         mFromXml = true;
+        mAccessibilityManager = AccessibilityManager.getInstance(context);
     }
 
     @Override
@@ -117,6 +121,7 @@
         mUseFastForward = useFastForward;
         initFloatingWindowLayout();
         initFloatingWindow();
+        mAccessibilityManager = AccessibilityManager.getInstance(context);
     }
 
     public MediaController(Context context) {
@@ -179,8 +184,9 @@
     }
 
     // This is called whenever mAnchor's layout bound changes
-    private OnLayoutChangeListener mLayoutChangeListener =
+    private final OnLayoutChangeListener mLayoutChangeListener =
             new OnLayoutChangeListener() {
+        @Override
         public void onLayoutChange(View v, int left, int top, int right,
                 int bottom, int oldLeft, int oldTop, int oldRight,
                 int oldBottom) {
@@ -191,7 +197,8 @@
         }
     };
 
-    private OnTouchListener mTouchListener = new OnTouchListener() {
+    private final OnTouchListener mTouchListener = new OnTouchListener() {
+        @Override
         public boolean onTouch(View v, MotionEvent event) {
             if (event.getAction() == MotionEvent.ACTION_DOWN) {
                 if (mShowing) {
@@ -368,9 +375,9 @@
         // paused with the progress bar showing the user hits play.
         mHandler.sendEmptyMessage(SHOW_PROGRESS);
 
-        Message msg = mHandler.obtainMessage(FADE_OUT);
-        if (timeout != 0) {
+        if (timeout != 0 && !mAccessibilityManager.isTouchExplorationEnabled()) {
             mHandler.removeMessages(FADE_OUT);
+            Message msg = mHandler.obtainMessage(FADE_OUT);
             mHandler.sendMessageDelayed(msg, timeout);
         }
     }
@@ -397,7 +404,7 @@
         }
     }
 
-    private Handler mHandler = new Handler() {
+    private final Handler mHandler = new Handler() {
         @Override
         public void handleMessage(Message msg) {
             int pos;
@@ -527,7 +534,8 @@
         return super.dispatchKeyEvent(event);
     }
 
-    private View.OnClickListener mPauseListener = new View.OnClickListener() {
+    private final View.OnClickListener mPauseListener = new View.OnClickListener() {
+        @Override
         public void onClick(View v) {
             doPauseResume();
             show(sDefaultTimeout);
@@ -567,7 +575,8 @@
     // The second scenario involves the user operating the scroll ball, in this
     // case there WON'T BE onStartTrackingTouch/onStopTrackingTouch notifications,
     // we will simply apply the updated position without suspending regular updates.
-    private OnSeekBarChangeListener mSeekListener = new OnSeekBarChangeListener() {
+    private final OnSeekBarChangeListener mSeekListener = new OnSeekBarChangeListener() {
+        @Override
         public void onStartTrackingTouch(SeekBar bar) {
             show(3600000);
 
@@ -581,6 +590,7 @@
             mHandler.removeMessages(SHOW_PROGRESS);
         }
 
+        @Override
         public void onProgressChanged(SeekBar bar, int progress, boolean fromuser) {
             if (!fromuser) {
                 // We're not interested in programmatically generated changes to
@@ -595,6 +605,7 @@
                 mCurrentTime.setText(stringForTime( (int) newposition));
         }
 
+        @Override
         public void onStopTrackingTouch(SeekBar bar) {
             mDragging = false;
             setProgress();
@@ -637,7 +648,8 @@
         return MediaController.class.getName();
     }
 
-    private View.OnClickListener mRewListener = new View.OnClickListener() {
+    private final View.OnClickListener mRewListener = new View.OnClickListener() {
+        @Override
         public void onClick(View v) {
             int pos = mPlayer.getCurrentPosition();
             pos -= 5000; // milliseconds
@@ -648,7 +660,8 @@
         }
     };
 
-    private View.OnClickListener mFfwdListener = new View.OnClickListener() {
+    private final View.OnClickListener mFfwdListener = new View.OnClickListener() {
+        @Override
         public void onClick(View v) {
             int pos = mPlayer.getCurrentPosition();
             pos += 15000; // milliseconds
diff --git a/core/java/android/widget/ScrollView.java b/core/java/android/widget/ScrollView.java
index ca57d1a..11904e1 100644
--- a/core/java/android/widget/ScrollView.java
+++ b/core/java/android/widget/ScrollView.java
@@ -18,6 +18,7 @@
 
 import android.annotation.NonNull;
 import android.os.Build;
+import android.os.Build.VERSION_CODES;
 import android.os.Parcel;
 import android.os.Parcelable;
 import com.android.internal.R;
@@ -349,17 +350,24 @@
 
         if (getChildCount() > 0) {
             final View child = getChildAt(0);
-            int height = getMeasuredHeight();
+            final int height = getMeasuredHeight();
             if (child.getMeasuredHeight() < height) {
+                final int widthPadding;
+                final int heightPadding;
                 final FrameLayout.LayoutParams lp = (LayoutParams) child.getLayoutParams();
+                final int targetSdkVersion = getContext().getApplicationInfo().targetSdkVersion;
+                if (targetSdkVersion >= VERSION_CODES.MNC) {
+                    widthPadding = mPaddingLeft + mPaddingRight + lp.leftMargin + lp.rightMargin;
+                    heightPadding = mPaddingTop + mPaddingBottom + lp.topMargin + lp.bottomMargin;
+                } else {
+                    widthPadding = mPaddingLeft + mPaddingRight;
+                    heightPadding = mPaddingTop + mPaddingBottom;
+                }
 
-                int childWidthMeasureSpec = getChildMeasureSpec(widthMeasureSpec,
-                        mPaddingLeft + mPaddingRight, lp.width);
-                height -= mPaddingTop;
-                height -= mPaddingBottom;
-                int childHeightMeasureSpec =
-                        MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY);
-
+                final int childWidthMeasureSpec = getChildMeasureSpec(
+                        widthMeasureSpec, widthPadding, lp.width);
+                final int childHeightMeasureSpec = MeasureSpec.makeMeasureSpec(
+                        height - heightPadding, MeasureSpec.EXACTLY);
                 child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
             }
         }
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 3a85476..b68934b 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -1481,7 +1481,7 @@
                 }
             }
             if (mEditor.hasSelectionController()) {
-                mEditor.startSelectionActionModeWithSelection();
+                mEditor.startSelectionActionMode();
             }
         }
     }
@@ -5282,7 +5282,7 @@
         // - onFocusChanged cannot start it when focus is given to a view with selected text (after
         //   a screen rotation) since layout is not yet initialized at that point.
         if (mEditor != null && mEditor.mCreatedWithASelection) {
-            mEditor.startSelectionActionModeWithSelection();
+            mEditor.startSelectionActionMode();
             mEditor.mCreatedWithASelection = false;
         }
 
@@ -5290,7 +5290,7 @@
         // ExtractEditText does not call onFocus when it is displayed, and mHasSelectionOnFocus can
         // not be set. Do the test here instead.
         if (this instanceof ExtractEditText && hasSelection() && mEditor != null) {
-            mEditor.startSelectionActionModeWithSelection();
+            mEditor.startSelectionActionMode();
         }
 
         unregisterForPreDraw();
@@ -5908,7 +5908,7 @@
     @Override
     public boolean onKeyPreIme(int keyCode, KeyEvent event) {
         if (keyCode == KeyEvent.KEYCODE_BACK) {
-            boolean isInSelectionMode = mEditor != null && mEditor.mSelectionActionMode != null;
+            boolean isInSelectionMode = mEditor != null && mEditor.mTextActionMode != null;
 
             if (isInSelectionMode) {
                 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) {
@@ -5923,7 +5923,7 @@
                         state.handleUpEvent(event);
                     }
                     if (event.isTracking() && !event.isCanceled()) {
-                        stopSelectionActionMode();
+                        stopTextActionMode();
                         return true;
                     }
                 }
@@ -6092,8 +6092,8 @@
 
                 // Has to be done on key down (and not on key up) to correctly be intercepted.
             case KeyEvent.KEYCODE_BACK:
-                if (mEditor != null && mEditor.mSelectionActionMode != null) {
-                    stopSelectionActionMode();
+                if (mEditor != null && mEditor.mTextActionMode != null) {
+                    stopTextActionMode();
                     return -1;
                 }
                 break;
@@ -6423,7 +6423,7 @@
         // extracted mode will start. Some text is selected though, and will trigger an action mode
         // in the extracted view.
         mEditor.hideControllers();
-        stopSelectionActionMode();
+        stopTextActionMode();
     }
 
     /**
@@ -8258,7 +8258,7 @@
         super.onVisibilityChanged(changedView, visibility);
         if (mEditor != null && visibility != VISIBLE) {
             mEditor.hideControllers();
-            stopSelectionActionMode();
+            stopTextActionMode();
         }
     }
 
@@ -8976,7 +8976,7 @@
                             Selection.setSelection((Spannable) text, start, end);
                             // Make sure selection mode is engaged.
                             if (mEditor != null) {
-                                mEditor.startSelectionActionModeWithSelection();
+                                mEditor.startSelectionActionMode();
                             }
                             return true;
                         }
@@ -9072,9 +9072,16 @@
 
         switch (id) {
             case ID_SELECT_ALL:
-                // This does not enter text selection mode. Text is highlighted, so that it can be
-                // bulk edited, like selectAllOnFocus does. Returns true even if text is empty.
+                // This starts an action mode if triggered from another action mode. Text is
+                // highlighted, so that it can be bulk edited, like selectAllOnFocus does. Returns
+                // true even if text is empty.
+                boolean shouldRestartActionMode =
+                        mEditor != null && mEditor.mTextActionMode != null;
+                stopTextActionMode();
                 selectAllText();
+                if (shouldRestartActionMode) {
+                    mEditor.startSelectionActionMode();
+                }
                 return true;
 
             case ID_UNDO:
@@ -9100,12 +9107,12 @@
             case ID_CUT:
                 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max)));
                 deleteText_internal(min, max);
-                stopSelectionActionMode();
+                stopTextActionMode();
                 return true;
 
             case ID_COPY:
                 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max)));
-                stopSelectionActionMode();
+                stopTextActionMode();
                 return true;
 
             case ID_REPLACE:
@@ -9195,14 +9202,14 @@
      * selection is initiated in this View.
      *
      * The standard implementation populates the menu with a subset of Select All, Cut, Copy,
-     * Paste and Share actions, depending on what this View supports.
+     * Paste, Replace and Share actions, depending on what this View supports.
      *
      * A custom implementation can add new entries in the default menu in its
      * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, Menu)} method. The
      * default actions can also be removed from the menu using
      * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll},
-     * {@link android.R.id#cut}, {@link android.R.id#copy}, {@link android.R.id#paste} or
-     * {@link android.R.id#shareText} ids as parameters.
+     * {@link android.R.id#cut}, {@link android.R.id#copy}, {@link android.R.id#paste},
+     * {@link android.R.id#replaceText} or {@link android.R.id#shareText} ids as parameters.
      *
      * Returning false from
      * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, Menu)} will prevent
@@ -9230,11 +9237,48 @@
     }
 
     /**
+     * If provided, this ActionMode.Callback will be used to create the ActionMode when text
+     * insertion is initiated in this View.
+     *
+     * The standard implementation populates the menu with a subset of Select All,
+     * Paste and Replace actions, depending on what this View supports.
+     *
+     * A custom implementation can add new entries in the default menu in its
+     * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, Menu)} method. The
+     * default actions can also be removed from the menu using
+     * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll},
+     * {@link android.R.id#paste} or {@link android.R.id#replaceText} ids as parameters.
+     *
+     * Returning false from
+     * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, Menu)} will prevent
+     * the action mode from being started.
+     *
+     * Action click events should be handled by the custom implementation of
+     * {@link android.view.ActionMode.Callback#onActionItemClicked(ActionMode, MenuItem)}.
+     *
+     * Note that text insertion mode is not started when a TextView receives focus and the
+     * {@link android.R.attr#selectAllOnFocus} flag has been set.
+     */
+    public void setCustomInsertionActionModeCallback(ActionMode.Callback actionModeCallback) {
+        createEditorIfNeeded();
+        mEditor.mCustomInsertionActionModeCallback = actionModeCallback;
+    }
+
+    /**
+     * Retrieves the value set in {@link #setCustomInsertionActionModeCallback}. Default is null.
+     *
+     * @return The current custom insertion callback.
+     */
+    public ActionMode.Callback getCustomInsertionActionModeCallback() {
+        return mEditor == null ? null : mEditor.mCustomInsertionActionModeCallback;
+    }
+
+    /**
      * @hide
      */
-    protected void stopSelectionActionMode() {
+    protected void stopTextActionMode() {
         if (mEditor != null) {
-            mEditor.stopSelectionActionMode();
+            mEditor.stopTextActionMode();
         }
     }
 
@@ -9298,7 +9342,8 @@
     }
 
     boolean canSelectAllText() {
-        return canSelectText() && !hasPasswordTransformationMethod();
+        return canSelectText() && !hasPasswordTransformationMethod()
+                && !(getSelectionStart() == 0 && getSelectionEnd() == mText.length());
     }
 
     boolean selectAllText() {
@@ -9346,7 +9391,7 @@
                     }
                 }
             }
-            stopSelectionActionMode();
+            stopTextActionMode();
             sLastCutCopyOrTextChangedTime = 0;
         }
     }
@@ -9359,7 +9404,7 @@
             sharingIntent.removeExtra(android.content.Intent.EXTRA_TEXT);
             sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, selectedText);
             getContext().startActivity(Intent.createChooser(sharingIntent, null));
-            stopSelectionActionMode();
+            stopTextActionMode();
         }
     }
 
diff --git a/core/java/com/android/internal/app/IVoiceInteractor.aidl b/core/java/com/android/internal/app/IVoiceInteractor.aidl
index 84e9cf0..44feafb 100644
--- a/core/java/com/android/internal/app/IVoiceInteractor.aidl
+++ b/core/java/com/android/internal/app/IVoiceInteractor.aidl
@@ -27,14 +27,14 @@
  */
 interface IVoiceInteractor {
     IVoiceInteractorRequest startConfirmation(String callingPackage,
-            IVoiceInteractorCallback callback, CharSequence prompt, in Bundle extras);
+            IVoiceInteractorCallback callback, in VoiceInteractor.Prompt prompt, in Bundle extras);
     IVoiceInteractorRequest startPickOption(String callingPackage,
-            IVoiceInteractorCallback callback, CharSequence prompt,
+            IVoiceInteractorCallback callback, in VoiceInteractor.Prompt prompt,
             in VoiceInteractor.PickOptionRequest.Option[] options, in Bundle extras);
     IVoiceInteractorRequest startCompleteVoice(String callingPackage,
-            IVoiceInteractorCallback callback, CharSequence message, in Bundle extras);
+            IVoiceInteractorCallback callback, in VoiceInteractor.Prompt prompt, in Bundle extras);
     IVoiceInteractorRequest startAbortVoice(String callingPackage,
-            IVoiceInteractorCallback callback, CharSequence message, in Bundle extras);
+            IVoiceInteractorCallback callback, in VoiceInteractor.Prompt prompt, in Bundle extras);
     IVoiceInteractorRequest startCommand(String callingPackage,
             IVoiceInteractorCallback callback, String command, in Bundle extras);
     boolean[] supportsCommands(String callingPackage, in String[] commands);
diff --git a/core/java/com/android/internal/os/BatterySipper.java b/core/java/com/android/internal/os/BatterySipper.java
index 056b0aa..049d3eb 100644
--- a/core/java/com/android/internal/os/BatterySipper.java
+++ b/core/java/com/android/internal/os/BatterySipper.java
@@ -42,6 +42,8 @@
     public long wifiRunningTimeMs;
     public long cpuFgTimeMs;
     public long wakeLockTimeMs;
+    public long cameraTimeMs;
+    public long flashlightTimeMs;
 
     public long mobileRxPackets;
     public long mobileTxPackets;
@@ -67,6 +69,8 @@
     public double mobileRadioPowerMah;
     public double gpsPowerMah;
     public double sensorPowerMah;
+    public double cameraPowerMah;
+    public double flashlightPowerMah;
 
     public enum DrainType {
         IDLE,
@@ -79,7 +83,8 @@
         APP,
         USER,
         UNACCOUNTED,
-        OVERCOUNTED
+        OVERCOUNTED,
+        CAMERA
     }
 
     public BatterySipper(DrainType drainType, Uid uid, double value) {
@@ -135,6 +140,8 @@
         wifiRunningTimeMs += other.wifiRunningTimeMs;
         cpuFgTimeMs += other.cpuFgTimeMs;
         wakeLockTimeMs += other.wakeLockTimeMs;
+        cameraTimeMs += other.cameraTimeMs;
+        flashlightTimeMs += other.flashlightTimeMs;
         mobileRxPackets += other.mobileRxPackets;
         mobileTxPackets += other.mobileTxPackets;
         mobileActive += other.mobileActive;
@@ -151,6 +158,8 @@
         sensorPowerMah += other.sensorPowerMah;
         mobileRadioPowerMah += other.mobileRadioPowerMah;
         wakeLockPowerMah += other.wakeLockPowerMah;
+        cameraPowerMah += other.cameraPowerMah;
+        flashlightPowerMah += other.flashlightPowerMah;
     }
 
     /**
@@ -158,7 +167,8 @@
      * @return the sum of all the power in this BatterySipper.
      */
     public double sumPower() {
-        return totalPowerMah = usagePowerMah + wifiPowerMah + gpsPowerMah + cpuPowerMah + sensorPowerMah
-                + mobileRadioPowerMah + wakeLockPowerMah;
+        return totalPowerMah = usagePowerMah + wifiPowerMah + gpsPowerMah + cpuPowerMah +
+                sensorPowerMah + mobileRadioPowerMah + wakeLockPowerMah + cameraPowerMah +
+                flashlightPowerMah;
     }
 }
diff --git a/core/java/com/android/internal/os/BatteryStatsHelper.java b/core/java/com/android/internal/os/BatteryStatsHelper.java
index fbe87c5..e6165a1 100644
--- a/core/java/com/android/internal/os/BatteryStatsHelper.java
+++ b/core/java/com/android/internal/os/BatteryStatsHelper.java
@@ -122,6 +122,8 @@
     PowerCalculator mWifiPowerCalculator;
     PowerCalculator mBluetoothPowerCalculator;
     PowerCalculator mSensorPowerCalculator;
+    PowerCalculator mCameraPowerCalculator;
+    PowerCalculator mFlashlightPowerCalculator;
 
     public static boolean checkWifiOnly(Context context) {
         ConnectivityManager cm = (ConnectivityManager)context.getSystemService(
@@ -365,6 +367,16 @@
         }
         mSensorPowerCalculator.reset();
 
+        if (mCameraPowerCalculator == null) {
+            mCameraPowerCalculator = new CameraPowerCalculator(mPowerProfile);
+        }
+        mCameraPowerCalculator.reset();
+
+        if (mFlashlightPowerCalculator == null) {
+            mFlashlightPowerCalculator = new FlashlightPowerCalculator(mPowerProfile);
+        }
+        mFlashlightPowerCalculator.reset();
+
         mStatsType = statsType;
         mRawUptime = rawUptimeUs;
         mRawRealtime = rawRealtimeUs;
@@ -480,6 +492,8 @@
             mWifiPowerCalculator.calculateApp(app, u, mRawRealtime, mRawUptime, mStatsType);
             mBluetoothPowerCalculator.calculateApp(app, u, mRawRealtime, mRawUptime, mStatsType);
             mSensorPowerCalculator.calculateApp(app, u, mRawRealtime, mRawUptime, mStatsType);
+            mCameraPowerCalculator.calculateApp(app, u, mRawRealtime, mRawUptime, mStatsType);
+            mFlashlightPowerCalculator.calculateApp(app, u, mRawRealtime, mRawUptime, mStatsType);
 
             final double totalPower = app.sumPower();
             if (DEBUG && totalPower != 0) {
@@ -619,15 +633,6 @@
         }
     }
 
-    private void addFlashlightUsage() {
-        long flashlightOnTimeMs = mStats.getFlashlightOnTime(mRawRealtime, mStatsType) / 1000;
-        double flashlightPower = flashlightOnTimeMs
-                * mPowerProfile.getAveragePower(PowerProfile.POWER_FLASHLIGHT) / (60*60*1000);
-        if (flashlightPower != 0) {
-            addEntry(BatterySipper.DrainType.FLASHLIGHT, flashlightOnTimeMs, flashlightPower);
-        }
-    }
-
     private void addUserUsage() {
         for (int i = 0; i < mUserSippers.size(); i++) {
             final int userId = mUserSippers.keyAt(i);
@@ -643,7 +648,6 @@
         addUserUsage();
         addPhoneUsage();
         addScreenUsage();
-        addFlashlightUsage();
         addWiFiUsage();
         addBluetoothUsage();
         addIdleUsage(); // Not including cellular idle power
diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 62745d4..25228d0 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -272,18 +272,19 @@
     final HistoryStepDetails mCurHistoryStepDetails = new HistoryStepDetails();
     final HistoryStepDetails mReadHistoryStepDetails = new HistoryStepDetails();
     final HistoryStepDetails mTmpHistoryStepDetails = new HistoryStepDetails();
+
     /**
-     * Total time (in 1/100 sec) spent executing in user code.
+     * Total time (in milliseconds) spent executing in user code.
      */
     long mLastStepCpuUserTime;
     long mCurStepCpuUserTime;
     /**
-     * Total time (in 1/100 sec) spent executing in kernel code.
+     * Total time (in milliseconds) spent executing in kernel code.
      */
     long mLastStepCpuSystemTime;
     long mCurStepCpuSystemTime;
     /**
-     * Times from /proc/stat
+     * Times from /proc/stat (but measured in milliseconds).
      */
     long mLastStepStatUserTime;
     long mLastStepStatSystemTime;
@@ -4337,15 +4338,22 @@
         return 0;
     }
 
-    @Override public long getFlashlightOnTime(long elapsedRealtimeUs, int which) {
+    @Override
+    public long getFlashlightOnTime(long elapsedRealtimeUs, int which) {
         return mFlashlightOnTimer.getTotalTimeLocked(elapsedRealtimeUs, which);
     }
 
-    @Override public long getFlashlightOnCount(int which) {
+    @Override
+    public long getFlashlightOnCount(int which) {
         return mFlashlightOnTimer.getCountLocked(which);
     }
 
     @Override
+    public long getCameraOnTime(long elapsedRealtimeUs, int which) {
+        return mCameraOnTimer.getTotalTimeLocked(elapsedRealtimeUs, which);
+    }
+
+    @Override
     public long getNetworkActivityBytes(int type, int which) {
         if (type >= 0 && type < mNetworkByteActivityCounters.length) {
             return mNetworkByteActivityCounters[type].getCountLocked(which);
diff --git a/core/java/com/android/internal/os/CameraPowerCalculator.java b/core/java/com/android/internal/os/CameraPowerCalculator.java
new file mode 100644
index 0000000..3273080
--- /dev/null
+++ b/core/java/com/android/internal/os/CameraPowerCalculator.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.internal.os;
+
+import android.os.BatteryStats;
+
+/**
+ * Power calculator for the camera subsystem, excluding the flashlight.
+ *
+ * Note: Power draw for the flash unit should be included in the FlashlightPowerCalculator.
+ */
+public class CameraPowerCalculator extends PowerCalculator {
+    private final double mCameraPowerOnAvg;
+
+    public CameraPowerCalculator(PowerProfile profile) {
+        mCameraPowerOnAvg = profile.getAveragePower(PowerProfile.POWER_CAMERA);
+    }
+
+    @Override
+    public void calculateApp(BatterySipper app, BatteryStats.Uid u, long rawRealtimeUs,
+                             long rawUptimeUs, int statsType) {
+
+        // Calculate camera power usage.  Right now, this is a (very) rough estimate based on the
+        // average power usage for a typical camera application.
+        final BatteryStats.Timer timer = u.getCameraTurnedOnTimer();
+        if (timer != null) {
+            final long totalTime = timer.getTotalTimeLocked(rawRealtimeUs, statsType) / 1000;
+            app.cameraTimeMs = totalTime;
+            app.cameraPowerMah = (totalTime * mCameraPowerOnAvg) / (1000*60*60);
+        } else {
+            app.cameraTimeMs = 0;
+            app.cameraPowerMah = 0;
+        }
+    }
+}
diff --git a/core/java/com/android/internal/os/FlashlightPowerCalculator.java b/core/java/com/android/internal/os/FlashlightPowerCalculator.java
new file mode 100644
index 0000000..fef66ff
--- /dev/null
+++ b/core/java/com/android/internal/os/FlashlightPowerCalculator.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.internal.os;
+
+import android.os.BatteryStats;
+
+/**
+ * Power calculator for the flashlight.
+ */
+public class FlashlightPowerCalculator extends PowerCalculator {
+    private final double mFlashlightPowerOnAvg;
+
+    public FlashlightPowerCalculator(PowerProfile profile) {
+        mFlashlightPowerOnAvg = profile.getAveragePower(PowerProfile.POWER_FLASHLIGHT);
+    }
+
+    @Override
+    public void calculateApp(BatterySipper app, BatteryStats.Uid u, long rawRealtimeUs,
+                             long rawUptimeUs, int statsType) {
+
+        // Calculate flashlight power usage.  Right now, this is based on the average power draw
+        // of the flash unit when kept on over a short period of time.
+        final BatteryStats.Timer timer = u.getFlashlightTurnedOnTimer();
+        if (timer != null) {
+            final long totalTime = timer.getTotalTimeLocked(rawRealtimeUs, statsType) / 1000;
+            app.flashlightTimeMs = totalTime;
+            app.flashlightPowerMah = (totalTime * mFlashlightPowerOnAvg) / (1000*60*60);
+        } else {
+            app.flashlightTimeMs = 0;
+            app.flashlightPowerMah = 0;
+        }
+    }
+}
diff --git a/core/java/com/android/internal/os/PowerProfile.java b/core/java/com/android/internal/os/PowerProfile.java
index 1efa5651..4ede8dda 100644
--- a/core/java/com/android/internal/os/PowerProfile.java
+++ b/core/java/com/android/internal/os/PowerProfile.java
@@ -152,10 +152,17 @@
     public static final String POWER_VIDEO = "dsp.video";
 
     /**
-     * Power consumption when camera flashlight is on.
+     * Average power consumption when camera flashlight is on.
      */
     public static final String POWER_FLASHLIGHT = "camera.flashlight";
 
+    /**
+     * Average power consumption when the camera is on over all standard use cases.
+     *
+     * TODO: Add more fine-grained camera power metrics.
+     */
+    public static final String POWER_CAMERA = "camera.avg";
+
     public static final String POWER_CPU_SPEEDS = "cpu.speeds";
 
     /**
diff --git a/core/java/com/android/internal/os/ProcessCpuTracker.java b/core/java/com/android/internal/os/ProcessCpuTracker.java
index 8393e2a..bf97f1f 100644
--- a/core/java/com/android/internal/os/ProcessCpuTracker.java
+++ b/core/java/com/android/internal/os/ProcessCpuTracker.java
@@ -139,6 +139,8 @@
     private float mLoad5 = 0;
     private float mLoad15 = 0;
 
+    // All times are in milliseconds. They are converted from jiffies to milliseconds
+    // when extracted from the kernel.
     private long mCurrentSampleTime;
     private long mLastSampleTime;
 
@@ -191,12 +193,34 @@
         // filter out kernel processes.
         public long vsize;
 
+        /**
+         * Time in milliseconds.
+         */
         public long base_uptime;
+
+        /**
+         * Time in milliseconds.
+         */
         public long rel_uptime;
 
+        /**
+         * Time in milliseconds.
+         */
         public long base_utime;
+
+        /**
+         * Time in milliseconds.
+         */
         public long base_stime;
+
+        /**
+         * Time in milliseconds.
+         */
         public int rel_utime;
+
+        /**
+         * Time in milliseconds.
+         */
         public int rel_stime;
 
         public long base_minfaults;
@@ -558,7 +582,7 @@
     }
 
     /**
-     * Returns the total time (in clock ticks, or 1/100 sec) spent executing in
+     * Returns the total time (in milliseconds) spent executing in
      * both user and system code.  Safe to call without lock held.
      */
     public long getCpuTimeForPid(int pid) {
@@ -575,26 +599,44 @@
         }
     }
 
+    /**
+     * @return time in milliseconds.
+     */
     final public int getLastUserTime() {
         return mRelUserTime;
     }
 
+    /**
+     * @return time in milliseconds.
+     */
     final public int getLastSystemTime() {
         return mRelSystemTime;
     }
 
+    /**
+     * @return time in milliseconds.
+     */
     final public int getLastIoWaitTime() {
         return mRelIoWaitTime;
     }
 
+    /**
+     * @return time in milliseconds.
+     */
     final public int getLastIrqTime() {
         return mRelIrqTime;
     }
 
+    /**
+     * @return time in milliseconds.
+     */
     final public int getLastSoftIrqTime() {
         return mRelSoftIrqTime;
     }
 
+    /**
+     * @return time in milliseconds.
+     */
     final public int getLastIdleTime() {
         return mRelIdleTime;
     }
diff --git a/core/java/com/android/internal/os/ZygoteInit.java b/core/java/com/android/internal/os/ZygoteInit.java
index 5ed4f70..971da77 100644
--- a/core/java/com/android/internal/os/ZygoteInit.java
+++ b/core/java/com/android/internal/os/ZygoteInit.java
@@ -508,7 +508,7 @@
         String args[] = {
             "--setuid=1000",
             "--setgid=1000",
-            "--setgroups=1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,1018,1032,3001,3002,3003,3006,3007",
+            "--setgroups=1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,1018,1021,1032,3001,3002,3003,3006,3007",
             "--capabilities=" + capabilities + "," + capabilities,
             "--nice-name=system_server",
             "--runtime-args",
diff --git a/core/java/com/android/internal/view/FloatingActionMode.java b/core/java/com/android/internal/view/FloatingActionMode.java
index 93d2a1d..89cac4c 100644
--- a/core/java/com/android/internal/view/FloatingActionMode.java
+++ b/core/java/com/android/internal/view/FloatingActionMode.java
@@ -127,11 +127,16 @@
 
     private void repositionToolbar() {
         checkToolbarInitialized();
+
+        mContentRectOnWindow.set(mContentRect);
+        mContentRectOnWindow.offset(mViewPosition[0], mViewPosition[1]);
+        // Make sure that content rect is not out of the view's visible bounds.
         mContentRectOnWindow.set(
-                mContentRect.left + mViewPosition[0],
-                mContentRect.top + mViewPosition[1],
-                mContentRect.right + mViewPosition[0],
-                mContentRect.bottom + mViewPosition[1]);
+                Math.max(mContentRectOnWindow.left, mViewRect.left),
+                Math.max(mContentRectOnWindow.top, mViewRect.top),
+                Math.min(mContentRectOnWindow.right, mViewRect.right),
+                Math.min(mContentRectOnWindow.bottom, mViewRect.bottom));
+
         if (!mContentRectOnWindow.equals(mPreviousContentRectOnWindow)) {
             if (!mPreviousContentRectOnWindow.isEmpty()) {
                 notifyContentRectMoving();
diff --git a/core/java/com/android/internal/widget/FloatingToolbar.java b/core/java/com/android/internal/widget/FloatingToolbar.java
index c32ba85..c77d614 100644
--- a/core/java/com/android/internal/widget/FloatingToolbar.java
+++ b/core/java/com/android/internal/widget/FloatingToolbar.java
@@ -84,7 +84,7 @@
     private final Rect mContentRect = new Rect();
 
     private Menu mMenu;
-    private List<CharSequence> mShowingTitles = new ArrayList<CharSequence>();
+    private List<Object> mShowingMenuItems = new ArrayList<Object>();
     private MenuItem.OnMenuItemClickListener mMenuItemClickListener = NO_OP_MENUITEM_CLICK_LISTENER;
 
     private int mSuggestedWidth;
@@ -156,7 +156,7 @@
         if (!isCurrentlyShowing(menuItems) || mWidthChanged) {
             mPopup.dismiss();
             mPopup.layoutMenuItems(menuItems, mMenuItemClickListener, mSuggestedWidth);
-            mShowingTitles = getMenuItemTitles(menuItems);
+            mShowingMenuItems = getShowingMenuItemsReferences(menuItems);
         }
         mPopup.updateCoordinates(mContentRect);
         if (!mPopup.isShowing()) {
@@ -211,7 +211,7 @@
      * Returns true if this floating toolbar is currently showing the specified menu items.
      */
     private boolean isCurrentlyShowing(List<MenuItem> menuItems) {
-        return mShowingTitles.equals(getMenuItemTitles(menuItems));
+        return mShowingMenuItems.equals(getShowingMenuItemsReferences(menuItems));
     }
 
     /**
@@ -234,12 +234,16 @@
         return menuItems;
     }
 
-    private List<CharSequence> getMenuItemTitles(List<MenuItem> menuItems) {
-        List<CharSequence> titles = new ArrayList<CharSequence>();
+    private List<Object> getShowingMenuItemsReferences(List<MenuItem> menuItems) {
+        List<Object> references = new ArrayList<Object>();
         for (MenuItem menuItem : menuItems) {
-            titles.add(menuItem.getTitle());
+            if (isIconOnlyMenuItem(menuItem)) {
+                references.add(menuItem.getIcon());
+            } else {
+                references.add(menuItem.getTitle());
+            }
         }
-        return titles;
+        return references;
     }
 
 
diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index 40fee2c..faf926c 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -183,6 +183,7 @@
     external/pdfium/core/include/fpdfapi \
     external/pdfium/core/include/fpdfdoc \
     external/pdfium/fpdfsdk/include \
+    external/pdfium/public \
     external/skia/src/core \
     external/skia/src/effects \
     external/skia/src/images \
diff --git a/core/jni/android/graphics/Bitmap.cpp b/core/jni/android/graphics/Bitmap.cpp
index 832f92f..0d80a7f 100755
--- a/core/jni/android/graphics/Bitmap.cpp
+++ b/core/jni/android/graphics/Bitmap.cpp
@@ -27,6 +27,8 @@
 #include <sys/mman.h>
 #include <cutils/ashmem.h>
 
+#define DEBUG_PARCEL 0
+
 namespace android {
 
 class WrappedPixelRef : public SkPixelRef {
@@ -959,76 +961,83 @@
         }
     }
 
-    int fd = p->readFileDescriptor();
-    int dupFd = dup(fd);
-    if (dupFd < 0) {
+    // Read the bitmap blob.
+    size_t size = bitmap->getSize();
+    android::Parcel::ReadableBlob blob;
+    android::status_t status = p->readBlob(size, &blob);
+    if (status) {
         SkSafeUnref(ctable);
-        doThrowRE(env, "Could not dup parcel fd.");
+        doThrowRE(env, "Could not read bitmap blob.");
         return NULL;
     }
 
-    bool readOnlyMapping = !isMutable;
-    Bitmap* nativeBitmap = GraphicsJNI::mapAshmemPixelRef(env, bitmap.get(),
-        ctable, dupFd, readOnlyMapping);
-    SkSafeUnref(ctable);
-    if (!nativeBitmap) {
-        close(dupFd);
-        doThrowRE(env, "Could not allocate ashmem pixel ref.");
-        return NULL;
+    // Map the bitmap in place from the ashmem region if possible otherwise copy.
+    Bitmap* nativeBitmap;
+    if (blob.fd() >= 0 && (blob.isMutable() || !isMutable)) {
+#if DEBUG_PARCEL
+        ALOGD("Bitmap.createFromParcel: mapped contents of %s bitmap from %s blob "
+                "(fds %s)",
+                isMutable ? "mutable" : "immutable",
+                blob.isMutable() ? "mutable" : "immutable",
+                p->allowFds() ? "allowed" : "forbidden");
+#endif
+        // Dup the file descriptor so we can keep a reference to it after the Parcel
+        // is disposed.
+        int dupFd = dup(blob.fd());
+        if (dupFd < 0) {
+            blob.release();
+            SkSafeUnref(ctable);
+            doThrowRE(env, "Could not allocate dup blob fd.");
+            return NULL;
+        }
+
+        // Map the pixels in place and take ownership of the ashmem region.
+        nativeBitmap = GraphicsJNI::mapAshmemPixelRef(env, bitmap.get(),
+                ctable, dupFd, const_cast<void*>(blob.data()), !isMutable);
+        SkSafeUnref(ctable);
+        if (!nativeBitmap) {
+            close(dupFd);
+            blob.release();
+            doThrowRE(env, "Could not allocate ashmem pixel ref.");
+            return NULL;
+        }
+
+        // Clear the blob handle, don't release it.
+        blob.clear();
+    } else {
+#if DEBUG_PARCEL
+        if (blob.fd() >= 0) {
+            ALOGD("Bitmap.createFromParcel: copied contents of mutable bitmap "
+                    "from immutable blob (fds %s)",
+                    p->allowFds() ? "allowed" : "forbidden");
+        } else {
+            ALOGD("Bitmap.createFromParcel: copied contents from %s blob "
+                    "(fds %s)",
+                    blob.isMutable() ? "mutable" : "immutable",
+                    p->allowFds() ? "allowed" : "forbidden");
+        }
+#endif
+
+        // Copy the pixels into a new buffer.
+        nativeBitmap = GraphicsJNI::allocateJavaPixelRef(env, bitmap.get(), ctable);
+        SkSafeUnref(ctable);
+        if (!nativeBitmap) {
+            blob.release();
+            doThrowRE(env, "Could not allocate java pixel ref.");
+            return NULL;
+        }
+        bitmap->lockPixels();
+        memcpy(bitmap->getPixels(), blob.data(), size);
+        bitmap->unlockPixels();
+
+        // Release the blob handle.
+        blob.release();
     }
-    bitmap->pixelRef()->setImmutable();
 
     return GraphicsJNI::createBitmap(env, nativeBitmap,
             getPremulBitmapCreateFlags(isMutable), NULL, NULL, density);
 }
 
-class Ashmem {
-public:
-    Ashmem(size_t sz, bool removeWritePerm) : mSize(sz) {
-        int fd = -1;
-        void *addr = nullptr;
-
-        // Create new ashmem region with read/write priv
-        fd = ashmem_create_region("bitmap", sz);
-        if (fd < 0) {
-            goto error;
-        }
-        addr = mmap(nullptr, sz, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-        if (addr == MAP_FAILED) {
-            goto error;
-        }
-        // If requested, remove the ability to make additional writeable to
-        // this memory.
-        if (removeWritePerm) {
-            if (ashmem_set_prot_region(fd, PROT_READ) < 0) {
-                goto error;
-            }
-        }
-        mFd = fd;
-        mPtr = addr;
-        return;
-error:
-        if (fd >= 0) {
-            close(fd);
-        }
-        if (addr) {
-            munmap(addr, sz);
-        }
-    }
-    ~Ashmem() {
-        if (mPtr) {
-            close(mFd);
-            munmap(mPtr, mSize);
-        }
-    }
-    void *getPtr() const { return mPtr; }
-    int getFd() const { return mFd; }
-private:
-    int mFd = -1;
-    int mSize;
-    void* mPtr = nullptr;
-};
-
 static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject,
                                      jlong bitmapHandle,
                                      jboolean isMutable, jint density,
@@ -1064,26 +1073,51 @@
         }
     }
 
-    bool ashmemSrc = androidBitmap->getAshmemFd() >= 0;
-    if (ashmemSrc && !isMutable) {
-        p->writeDupFileDescriptor(androidBitmap->getAshmemFd());
-    } else {
-        Ashmem dstAshmem(bitmap.getSize(), !isMutable);
-        if (!dstAshmem.getPtr()) {
-            doThrowRE(env, "Could not allocate ashmem for new bitmap.");
+    // Transfer the underlying ashmem region if we have one and it's immutable.
+    android::status_t status;
+    int fd = androidBitmap->getAshmemFd();
+    if (fd >= 0 && !isMutable && p->allowFds()) {
+#if DEBUG_PARCEL
+        ALOGD("Bitmap.writeToParcel: transferring immutable bitmap's ashmem fd as "
+                "immutable blob (fds %s)",
+                p->allowFds() ? "allowed" : "forbidden");
+#endif
+
+        status = p->writeDupImmutableBlobFileDescriptor(fd);
+        if (status) {
+            doThrowRE(env, "Could not write bitmap blob file descriptor.");
             return JNI_FALSE;
         }
-
-        bitmap.lockPixels();
-        const void* pSrc = bitmap.getPixels();
-        if (pSrc == NULL) {
-            memset(dstAshmem.getPtr(), 0, bitmap.getSize());
-        } else {
-            memcpy(dstAshmem.getPtr(), pSrc, bitmap.getSize());
-        }
-        bitmap.unlockPixels();
-        p->writeDupFileDescriptor(dstAshmem.getFd());
+        return JNI_TRUE;
     }
+
+    // Copy the bitmap to a new blob.
+    bool mutableCopy = isMutable;
+#if DEBUG_PARCEL
+    ALOGD("Bitmap.writeToParcel: copying %s bitmap into new %s blob (fds %s)",
+            isMutable ? "mutable" : "immutable",
+            mutableCopy ? "mutable" : "immutable",
+            p->allowFds() ? "allowed" : "forbidden");
+#endif
+
+    size_t size = bitmap.getSize();
+    android::Parcel::WritableBlob blob;
+    status = p->writeBlob(size, mutableCopy, &blob);
+    if (status) {
+        doThrowRE(env, "Could not copy bitmap to parcel blob.");
+        return JNI_FALSE;
+    }
+
+    bitmap.lockPixels();
+    const void* pSrc =  bitmap.getPixels();
+    if (pSrc == NULL) {
+        memset(blob.data(), 0, size);
+    } else {
+        memcpy(blob.data(), pSrc, size);
+    }
+    bitmap.unlockPixels();
+
+    blob.release();
     return JNI_TRUE;
 }
 
diff --git a/core/jni/android/graphics/Graphics.cpp b/core/jni/android/graphics/Graphics.cpp
index ff22ef3..93259e7 100644
--- a/core/jni/android/graphics/Graphics.cpp
+++ b/core/jni/android/graphics/Graphics.cpp
@@ -623,20 +623,20 @@
 }
 
 android::Bitmap* GraphicsJNI::mapAshmemPixelRef(JNIEnv* env, SkBitmap* bitmap,
-                                                SkColorTable* ctable, int fd, bool readOnly) {
-    int flags;
-
+        SkColorTable* ctable, int fd, void* addr, bool readOnly) {
     const SkImageInfo& info = bitmap->info();
     if (info.fColorType == kUnknown_SkColorType) {
         doThrowIAE(env, "unknown bitmap configuration");
         return nullptr;
     }
 
-    // Create new ashmem region with read/write priv
-    flags = readOnly ? (PROT_READ) : (PROT_READ | PROT_WRITE);
-    void* addr = mmap(NULL, ashmem_get_size_region(fd), flags, MAP_SHARED, fd, 0);
-    if (addr == MAP_FAILED) {
-        return nullptr;
+    if (!addr) {
+        // Map existing ashmem region if not already mapped.
+        int flags = readOnly ? (PROT_READ) : (PROT_READ | PROT_WRITE);
+        addr = mmap(NULL, ashmem_get_size_region(fd), flags, MAP_SHARED, fd, 0);
+        if (addr == MAP_FAILED) {
+            return nullptr;
+        }
     }
 
     // we must respect the rowBytes value already set on the bitmap instead of
@@ -645,6 +645,9 @@
 
     android::Bitmap* wrapper = new android::Bitmap(addr, fd, info, rowBytes, ctable);
     wrapper->getSkBitmap(bitmap);
+    if (readOnly) {
+        bitmap->pixelRef()->setImmutable();
+    }
     // since we're already allocated, we lockPixels right away
     // HeapAllocator behaves this way too
     bitmap->lockPixels();
diff --git a/core/jni/android/graphics/GraphicsJNI.h b/core/jni/android/graphics/GraphicsJNI.h
index 1938e85..bcd834b 100644
--- a/core/jni/android/graphics/GraphicsJNI.h
+++ b/core/jni/android/graphics/GraphicsJNI.h
@@ -99,7 +99,7 @@
             SkColorTable* ctable);
 
     static android::Bitmap* mapAshmemPixelRef(JNIEnv* env, SkBitmap* bitmap,
-            SkColorTable* ctable, int fd, bool readOnly);
+            SkColorTable* ctable, int fd, void* addr, bool readOnly);
 
     /**
      * Given a bitmap we natively allocate a memory block to store the contents
diff --git a/core/jni/android/graphics/pdf/PdfEditor.cpp b/core/jni/android/graphics/pdf/PdfEditor.cpp
index 84434ae..52b69e0 100644
--- a/core/jni/android/graphics/pdf/PdfEditor.cpp
+++ b/core/jni/android/graphics/pdf/PdfEditor.cpp
@@ -20,8 +20,8 @@
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdelete-non-virtual-dtor"
 #include "fpdfview.h"
-#include "fpdfedit.h"
-#include "fpdfsave.h"
+#include "fpdf_edit.h"
+#include "fpdf_save.h"
 #include "fsdk_rendercontext.h"
 #include "fpdf_transformpage.h"
 #pragma GCC diagnostic pop
@@ -58,7 +58,7 @@
 static void initializeLibraryIfNeeded() {
     Mutex::Autolock _l(sLock);
     if (sUnmatchedInitRequestCount == 0) {
-        FPDF_InitLibrary(NULL);
+        FPDF_InitLibrary();
     }
     sUnmatchedInitRequestCount++;
 }
diff --git a/core/jni/android/graphics/pdf/PdfRenderer.cpp b/core/jni/android/graphics/pdf/PdfRenderer.cpp
index 876bea4..006eef8 100644
--- a/core/jni/android/graphics/pdf/PdfRenderer.cpp
+++ b/core/jni/android/graphics/pdf/PdfRenderer.cpp
@@ -50,7 +50,7 @@
 static void initializeLibraryIfNeeded() {
     Mutex::Autolock _l(sLock);
     if (sUnmatchedInitRequestCount == 0) {
-        FPDF_InitLibrary(NULL);
+        FPDF_InitLibrary();
     }
     sUnmatchedInitRequestCount++;
 }
@@ -165,12 +165,12 @@
     // and FPDF_ANNOT flags. To add support for that refer to FPDF_RenderPage_Retail
     // in fpdfview.cpp
 
-    CRenderContext* pContext = FX_NEW CRenderContext;
+    CRenderContext* pContext = new CRenderContext;
 
     CPDF_Page* pPage = (CPDF_Page*) page;
     pPage->SetPrivateData((void*) 1, pContext, DropContext);
 
-    CFX_FxgeDevice* fxgeDevice = FX_NEW CFX_FxgeDevice;
+    CFX_FxgeDevice* fxgeDevice = new CFX_FxgeDevice;
     pContext->m_pDevice = fxgeDevice;
 
     // Reverse the bytes (last argument TRUE) since the Android
@@ -180,7 +180,7 @@
     CPDF_RenderOptions* renderOptions = pContext->m_pOptions;
 
     if (!renderOptions) {
-        renderOptions = FX_NEW CPDF_RenderOptions;
+        renderOptions = new CPDF_RenderOptions;
         pContext->m_pOptions = renderOptions;
     }
 
@@ -205,7 +205,7 @@
     clip.bottom = destBottom;
     fxgeDevice->SetClip_Rect(&clip);
 
-    CPDF_RenderContext* pageContext = FX_NEW CPDF_RenderContext;
+    CPDF_RenderContext* pageContext = new CPDF_RenderContext;
     pContext->m_pContext = pageContext;
     pageContext->Create(pPage);
 
@@ -232,7 +232,7 @@
     }
     pageContext->AppendObjectList(pPage, &matrix);
 
-    pContext->m_pRenderer = FX_NEW CPDF_ProgressiveRenderer;
+    pContext->m_pRenderer = new CPDF_ProgressiveRenderer;
     pContext->m_pRenderer->Start(pageContext, fxgeDevice, renderOptions, NULL);
 
     fxgeDevice->RestoreState();
diff --git a/core/jni/android_os_Parcel.cpp b/core/jni/android_os_Parcel.cpp
index a3a0551..2ee9283 100644
--- a/core/jni/android_os_Parcel.cpp
+++ b/core/jni/android_os_Parcel.cpp
@@ -211,7 +211,7 @@
     }
 
     android::Parcel::WritableBlob blob;
-    android::status_t err2 = parcel->writeBlob(length, &blob);
+    android::status_t err2 = parcel->writeBlob(length, false, &blob);
     if (err2 != NO_ERROR) {
         signalExceptionForError(env, clazz, err2);
         return;
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 625ab59..a2f8918 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -688,7 +688,7 @@
     <string name="permdesc_subscribedFeedsRead">Allows the app to get details about the currently synced feeds.</string>
 
     <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
-    <string name="permlab_sendSms">send SMS messages</string>
+    <string name="permlab_sendSms">send and view SMS messages</string>
     <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
     <string name="permdesc_sendSms">Allows the app to send SMS messages.
      This may result in unexpected charges. Malicious apps may cost you money by
diff --git a/core/res/res/values/styles_material.xml b/core/res/res/values/styles_material.xml
index 7782ed7..f89dced 100644
--- a/core/res/res/values/styles_material.xml
+++ b/core/res/res/values/styles_material.xml
@@ -194,7 +194,7 @@
     </style>
 
     <style name="TextAppearance.Material.Subhead.Inverse">
-        <item name="textColor">?attr/textColorSecondaryInverse</item>
+        <item name="textColor">?attr/textColorPrimaryInverse</item>
         <item name="textColorHint">?attr/textColorHintInverse</item>
         <item name="textColorHighlight">?attr/textColorHighlightInverse</item>
         <item name="textColorLink">?attr/textColorLinkInverse</item>
diff --git a/core/res/res/xml/power_profile.xml b/core/res/res/xml/power_profile.xml
index 3215e17..28d99d8 100644
--- a/core/res/res/xml/power_profile.xml
+++ b/core/res/res/xml/power_profile.xml
@@ -37,6 +37,8 @@
   <item name="wifi.scan">0.1</item>  <!-- WIFI network scanning, ~100mA -->
   <item name="dsp.audio">0.1</item> <!-- ~10mA -->
   <item name="dsp.video">0.1</item> <!-- ~50mA -->
+  <item name="camera.flashlight">0.1</item> <!-- Avg. power for camera flash, ~160mA -->
+  <item name="camera.avg">0.1</item> <!-- Avg. power use of camera in standard usecases, ~550mA -->
   <item name="radio.active">0.1</item> <!-- ~200mA -->
   <item name="radio.scanning">0.1</item> <!-- cellular radio scanning for signal, ~10mA -->
   <item name="gps.on">0.1</item> <!-- ~50mA -->
diff --git a/data/fonts/fallback_fonts.xml b/data/fonts/fallback_fonts.xml
index 5857de0..55c000c 100644
--- a/data/fonts/fallback_fonts.xml
+++ b/data/fonts/fallback_fonts.xml
@@ -407,6 +407,11 @@
     </family>
     <family>
         <fileset>
+            <file>NotoSansSymbols-Regular-Subsetted.ttf</file>
+        </fileset>
+    </family>
+    <family>
+        <fileset>
             <file lang="zh-Hans">NotoSansSC-Regular.otf</file>
         </fileset>
     </family>
@@ -432,11 +437,6 @@
     </family>
     <family>
         <fileset>
-            <file>NotoSansSymbols-Regular-Subsetted.ttf</file>
-        </fileset>
-    </family>
-    <family>
-        <fileset>
             <file>NotoColorEmoji.ttf</file>
         </fileset>
     </family>
diff --git a/data/fonts/fonts.xml b/data/fonts/fonts.xml
index 62da0ff..dbe81fa 100644
--- a/data/fonts/fonts.xml
+++ b/data/fonts/fonts.xml
@@ -331,6 +331,9 @@
     <family>
         <font weight="400" style="normal">NotoSansYi-Regular.ttf</font>
     </family>
+    <family>
+        <font weight="400" style="normal">NotoSansSymbols-Regular-Subsetted.ttf</font>
+    </family>
     <family lang="zh-Hans">
         <font weight="400" style="normal">NotoSansSC-Regular.otf</font>
     </family>
@@ -347,9 +350,6 @@
         <font weight="400" style="normal">NanumGothic.ttf</font>
     </family>
     <family>
-        <font weight="400" style="normal">NotoSansSymbols-Regular-Subsetted.ttf</font>
-    </family>
-    <family>
         <font weight="400" style="normal">NotoColorEmoji.ttf</font>
     </family>
     <family>
diff --git a/docs/html/images/systrace/display-rhythm.png b/docs/html/images/systrace/display-rhythm.png
deleted file mode 100644
index a249161..0000000
--- a/docs/html/images/systrace/display-rhythm.png
+++ /dev/null
Binary files differ
diff --git a/docs/html/images/systrace/frame-selected-alert-tab.png b/docs/html/images/systrace/frame-selected-alert-tab.png
new file mode 100644
index 0000000..e4b666c
--- /dev/null
+++ b/docs/html/images/systrace/frame-selected-alert-tab.png
Binary files differ
diff --git a/docs/html/images/systrace/frame-selected.png b/docs/html/images/systrace/frame-selected.png
new file mode 100644
index 0000000..ee8e11f
--- /dev/null
+++ b/docs/html/images/systrace/frame-selected.png
Binary files differ
diff --git a/docs/html/images/systrace/frame-unselected.png b/docs/html/images/systrace/frame-unselected.png
new file mode 100644
index 0000000..abc93d4
--- /dev/null
+++ b/docs/html/images/systrace/frame-unselected.png
Binary files differ
diff --git a/docs/html/images/systrace/overview.png b/docs/html/images/systrace/overview.png
new file mode 100644
index 0000000..bd7f549
--- /dev/null
+++ b/docs/html/images/systrace/overview.png
Binary files differ
diff --git a/docs/html/images/systrace/process-rhythm.png b/docs/html/images/systrace/process-rhythm.png
deleted file mode 100644
index 7498cc7..0000000
--- a/docs/html/images/systrace/process-rhythm.png
+++ /dev/null
Binary files differ
diff --git a/docs/html/images/systrace/report.png b/docs/html/images/systrace/report.png
deleted file mode 100644
index a642960..0000000
--- a/docs/html/images/systrace/report.png
+++ /dev/null
Binary files differ
diff --git a/docs/html/preview/testing/performance.jd b/docs/html/preview/testing/performance.jd
index 003b619..abb41c4 100644
--- a/docs/html/preview/testing/performance.jd
+++ b/docs/html/preview/testing/performance.jd
@@ -158,6 +158,15 @@
     </ul>
   </li>
 
+  <li>INTENDED_VSYNC
+    <ul>
+      <li>The intended start point for the frame. If this value is different from VSYNC, there
+      was work occurring on the UI thread that prevented it from responding to the vsync signal
+      in a timely fashion.
+      </li>
+    </ul>
+  </li>
+
   <li>VSYNC
     <ul>
       <li>The time value that was used in all the vsync listeners and drawing for the frame
@@ -172,16 +181,6 @@
     </ul>
   </li>
 
-
-  <li>INTENDED_VSYNC
-    <ul>
-      <li>The intended start point for the frame. If this value is different from VSYNC, there
-      was work occurring on the UI thread that prevented it from responding to the vsync signal
-      in a timely fashion.
-      </li>
-    </ul>
-  </li>
-
   <li>OLDEST_INPUT_EVENT
     <ul>
       <li>The timestamp of the oldest input event in the input queue, or Long.MAX_VALUE if
diff --git a/docs/html/tools/data-binding/guide.jd b/docs/html/tools/data-binding/guide.jd
index ec16c6b..7c4c15a 100644
--- a/docs/html/tools/data-binding/guide.jd
+++ b/docs/html/tools/data-binding/guide.jd
@@ -141,7 +141,8 @@
 &mdash; it's a support library, so you can use it with all Android platform
 versions back to <strong>Android 2.1</strong> (API level 7+).</p>
 
-<p>Android Studio <strong>1.3.0-beta1</strong> or higher is required.</p>
+<p>To use data binding, Android Plugin for Gradle <strong>1.3.0-beta1</strong>
+or higher is required.</p>
 
 <h4>Beta release</h4>
 
@@ -156,7 +157,7 @@
     so use it at your own risk. That said, we do want your feedback! Please
     let us know what is or isn’t working for you using the <a
     href="https://code.google.com/p/android-developer-preview/">issue
-    tracker</a>. 
+    tracker</a>.
     </li>
     <li>
     The Data Binding library beta release is subject to significant changes,
@@ -174,7 +175,7 @@
     Further Android Studio support will come in the future.
     </li>
     <li>
-    By using the Data Binding library beta release, you acknowledge these 
+    By using the Data Binding library beta release, you acknowledge these
     caveats.</li>
   </ul>
 </div>
@@ -186,16 +187,13 @@
 <p>To get started with Data Binding, download the library from the Support
 repository in the Android SDK manager. </p>
 
-<p>Make sure you are using a compatible version of Android Studio.
-The Data Binding plugin for Android Studio requires Android Studio <strong>1.3.0-beta1
-or higher</strong>.</p>
-<h2 id="build_environment">
-  Build Environment
-</h2>
+<p>The Data Binding plugin requires Android Plugin for Gradle <strong>1.3.0-beta1
+or higher</strong>, so update your build dependencies (in
+<code>build.gradle</code>) as needed.</p>
 
-<p>To get started with Data Binding, download the library from the Support repository in the Android SDK manager. </p>
-
-<p>Make sure you are using a <strong>compatible version of Android Studio</strong>. The Data Binding plugin for Android Studio requires <strong>Android 1.3.0-beta1 or higher</strong>.</p>
+<p>Also, make sure you are using a compatible version of Android Studio.
+<strong>Android Studio 1.3</strong> adds the code-completion and layout-preview
+support for data binding.</p>
 
 <p>
   <strong>Setting Up Work Environment:</strong>
@@ -203,12 +201,12 @@
 
 <p>
   To set up your application to use data binding, add data binding to the class
-  path of your build gradle file, right below "android".
+  path of your <code>build.gradle</code> file, right below "android".
 </p>
 
 <pre>
    dependencies {
-       classpath <strong>"com.android.tools.build:gradle:1.2.3"
+       classpath <strong>"com.android.tools.build:gradle:1.3.0-beta1"
        </strong>classpath <strong>"com.android.databinding:dataBinder:</strong>1.0-rc0"
    }
 }
diff --git a/docs/html/tools/debugging/systrace.jd b/docs/html/tools/debugging/systrace.jd
index 6472152..5d2cd89 100644
--- a/docs/html/tools/debugging/systrace.jd
+++ b/docs/html/tools/debugging/systrace.jd
@@ -1,4 +1,4 @@
-page.title=Analyzing Display and Performance
+page.title=Analyzing UI Performance with Systrace
 page.tags=systrace,speed
 parent.title=Debugging
 parent.link=index.html
@@ -8,22 +8,15 @@
   <div id="qv">
     <h2>In this document</h2>
     <ol>
-      <li><a href="#overview">Overview</a>
-      </li>
-      <li><a href="#generate">Generating Traces</a>
+      <li><a href="#overview">Overview</a></li>
+      <li><a href="#generate">Generating a Trace</a></li>
+      <li><a href="#analysis">Analyzing a Trace</a>
         <ol>
-          <li><a href="#limit-trace">Limiting trace data</a></li>
-          <li><a href="#running-4.3">Tracing on Android 4.3 and higher</a>
-          <li><a href="#running-4.2">Tracing on Android 4.2 and lower</a></li>
+          <li><a href="#frames">Inspecting Frames</a></li>
+          <li><a href="#alerts">Investigating Alerts</a></li>
         </ol>
       </li>
       <li><a href="#app-trace">Tracing Application Code</a></li>
-      <li><a href="#analysis">Analyzing Traces</a>
-        <ol>
-          <li><a href="#long-processes">Long running processes</a></li>
-          <li><a href="#display-interupts">Interruptions in display execution</a></li>
-        </ol>
-      </li>
     </ol>
     <h2>See also</h2>
     <ol>
@@ -32,72 +25,55 @@
   </div>
 </div>
 
-<p>After building features, eliminating bugs, and cleaning up your code, you should spend some
-  time looking at the performance of your application. The speed and smoothness with which your
-  application draws pixels and performs operations has an significant impact on your users'
-  experience.</p>
+<p>While developing your application, you should check that user interactions are buttery smooth,
+running at a consistent 60 frames per second. If something goes wrong, and a frame gets dropped, the
+first step in fixing the problem is understanding what the system is doing.</p>
 
-<p>Android applications operate within a shared resource environment, and the performance of
-  your application can be impacted by how efficiently it interacts with those resources in
-  the larger system. Applications also operate in a multithreaded environment, competing with other
-  threaded processes for resources, which can cause performance problems that are hard to diagnose.
-</p>
-
-<p>The Systrace tool allows you to collect and review code execution data for your
-  application and the Android system. You can use this data to diagnose execution problems and
-  improve the performance of your application.</p>
-
+<p>The Systrace tool allows you to collect and inspect timing information across an entire Android
+device, which is called a <em>trace</em>. It shows where time and CPU cycles are being spent,
+displaying what each thread and process is doing at any given time. It also inpects the captured
+tracing information to highlight problems that it observes, from list item recycling to rendering
+content, and provide recommendations about how to fix them. This document explains how to navigate
+the trace files produced by the tool, and use them to analyze the performance of an application's
+user interface (UI).</p>
 
 <h2 id="overview">Overview</h2>
 
-<p>Systrace helps you analyze how the execution of your application fits into the larger
-  Android environment, letting you see system and applications process execution on a common
-  timeline. The tool allows you to generate highly detailed, interactive reports from devices
-  running Android 4.1 and higher, such as the report in figure 1.</p>
+<p>Systrace helps you analyze how the execution of your application fits into the many running
+systems on an Android device. It puts together system and application thread execution on a common
+timeline. In order to analyze your app with Systrace, you first collect a trace log of your app, and
+the system activity. The generated trace allows you to view highly detailed, interactive reports
+showing everything happening the system for the traced duration.</p>
 
-<img src="{@docRoot}images/systrace/report.png" alt="Systrace example report" id="figure1" />
+<img src="{@docRoot}images/systrace/overview.png" alt="Systrace example overview" id="figure1" />
 <p class="img-caption">
-  <strong>Figure 1.</strong> An example Systrace report on 5 seconds of process execution
-  for a running application and related Android system processes.
+  <strong>Figure 1.</strong> An example Systrace, showing 5 seconds of scrolling an app when it
+  is not performing well.
 </p>
 
+<p>Figure 1. shows a trace captured while scrolling an app that is not rendering smoothly. By
+default, a zoomed out view of the traced duration is shown. The horizontal axis is time, and trace
+events are grouped by process, and then by thread on the vertical axis.</p>
 
-<h2 id="generate">Generating Traces</h2>
+<p>The groupings are in the order Kernel, SurfaceFlinger (the android compositor process), followed
+by apps, each labeled by package name. Each app process contains all of the tracing signals from
+each thread it contains, including a hierarchy of high level tracing events based on the enabled
+tracing categories.</p>
+
+
+<h2 id="generate">Generating a Trace</h2>
 
 <p>In order to create a trace of your application, you must perform a few setup steps. First, you
-  must have a device running Android 4.1 or higher. Set up the device for
-  <a href="{@docRoot}tools/device.html#setting-up">debugging</a>, connect it to your development
-  system, and install your application. Some types of trace information, specifically disk activity
-  and kernel work queues, require that you have root access to the device. However, most Systrace
-  log data only requires that the device be enabled for developer debugging.</p>
+must have a device running Android 4.1 (API 16) or higher. Set up the device
+for <a href="{@docRoot}tools/device.html#setting-up">debugging</a>, connect it to your development
+system, and install your application. Some types of trace information, specifically disk activity
+and kernel work queues, require that you have root access to the device. However, most Systrace log
+data only requires that the device be enabled for developer debugging.</p>
 
-<p>Systrace traces can be run either from a
-  <a href="{@docRoot}tools/help/systrace.html#options">command line</a> or from a
-  <a href="{@docRoot}tools/help/systrace.html#gui">graphical user interface</a>. This guide
-  focuses on using the command line options.</p>
-
-
-<h3 id="limit-trace">Limiting trace data</h3>
-
-<p>The Systrace tool can generate a potentially huge amount of data from applications
-  and system sources. To limit the amount of data the tool collects and make the data more relevant
-  to your analysis, use the following options:</p>
-
-<ul>
-  <li>Limit the amount of time covered by the trace with the {@code -t, --time} option. The default
-    length of a trace is 5 seconds.</li>
-  <li>Limit the size of the data collected by the trace with the {@code -b, --buf-size} option.</li>
-  <li>Specify what types of processes are traced. The types of processes that can be traced depends
-    on the version of Android you are running:
-    <ul>
-      <li>Android 4.2 and lower devices: Use the {@code --set-tags} option and the {@code --disk},
-        {@code --cpu-freq}, {@code --cpu-idle}, {@code --cpu-load} options.</li>
-      <li>Android 4.3 and higher devices: Use the {@code --list-categories} option to see what
-        categories are available on your test device.</li>
-    </ul>
-   </li>
-</ul>
-
+<p>Systrace traces can be run either from
+a <a href="{@docRoot}tools/help/systrace.html#options">command line</a> or from a
+<a href="{@docRoot}tools/help/systrace.html#gui">graphical user interface</a>. This guide focuses on
+using the command line options.</p>
 
 <h3 id="running-4.3">Tracing on Android 4.3 and higher</h3>
 
@@ -116,7 +92,7 @@
 </ol>
 
 <p>For more information on the available options for running Systrace, see the
-<a href="{@docRoot}tools/help/systrace.html#options-4.3">Systrace</a> help page.</p>
+<a href="#options-4.3">Systrace</a> help page.</p>
 
 
 <h3 id="running-4.2">Tracing on Android 4.2 and lower</h3>
@@ -127,9 +103,9 @@
 
 <ul>
   <li>General system processes such as graphics, audio and input processes (selected using trace
-    <a href="{@docRoot}tools/help/systrace.html#tags">category tags</a>).</li>
+    <a href="#tags">category tags</a>).</li>
   <li>Low level system information such as CPU, kernel and disk activity (selected using
-    <a href="{@docRoot}tools/help/systrace.html#options">options</a>).</li>
+    <a href="#options">options</a>).</li>
 </ul>
 
 <p>To set trace tags for Systrace using the command-line:</p>
@@ -178,14 +154,85 @@
 </ol>
 
 <p>For more information on the available options for running Systrace, see the
-<a href="{@docRoot}tools/help/systrace.html#options-pre-4.3">Systrace</a> help page.</p>
+<a href="#options-pre-4.3">Systrace</a> help page.</p>
+
+
+<h2 id="analysis">Analyzing a Trace</h2>
+
+<p>After you have generated a trace, open the output html file using a web browser. This section
+explains how to analyze and interpret the information that the tool produces to find and fix UI
+performance problems.</p>
+
+<h3 id="frames">Inspecting Frames</h3>
+
+<p>Each app that is rendering frames shows a row of frame circles, which are typically colored
+green. Circles that are colored yellow or red, exceeding the 16.6 millisecond run time limit
+required to maintain a stable 60 frames per second. Zoom in using the 'w' key to see the frames of
+your application, and look for long-running frames getting in the way of smoothness.</p>
+
+<p class="note">
+  <strong>Note:</strong> Hit the '?' key, or the button in the top right for help navigating the
+  trace.
+</p>
+
+<img src="{@docRoot}images/systrace/frame-unselected.png" alt="Zoomed in view of a frame" id="figure2" />
+<p class="img-caption">
+  <strong>Figure 2.</strong> Systrace display after zooming in on a long-running frame.
+</p>
+
+<p>Clicking on one such frame highlights it, focusing only on the work done by the system for that
+frame. On devices running Android 5.0 (API level 21) or higher, this work is split between the UI
+Thread and RenderThread. On prior versions, all work in creating a frame is done on the UI
+Thread.</p>
+
+<p>Click on individual components of the frame to see how long they took to run. Some events, such
+as <em>performTraversals</em>, describe what the system is doing in that method when you select
+it. Selecting a frame displays any alerts present in that frame.</p>
+
+<h3 id="alerts">Investigating Alerts</h3>
+
+<p>Systrace does automatic analysis of the events in the trace, and highlights many performance
+problems as alerts, suggesting what to do next.</p>
+
+<img src="{@docRoot}images/systrace/frame-selected.png" alt="Problematic frame selected" id="figure3" />
+<p class="img-caption">
+  <strong>Figure 3.</strong> Selecting the problematic frame, an alert is shown identifying a problem.
+</p>
+
+<p>After you select a slow frame such as the one shown in Figure 3, an alert may be displayed. In
+the case above, it calls out that the primary problem with the frame is too much work being done
+inside {@link android.widget.ListView} recycling and rebinding.  There are links to the relevant
+events in the trace, which can be followed to explain more about what the system is doing during
+this time.</p>
+
+<p>If you see too much work being done on the UI thread, as in this case with this
+{@link android.widget.ListView} work, you can
+use <a href="{@docRoot}tools/debugging/debugging-tracing.html">Traceview</a>, the app code profiling
+tool, to investigate exactly what is taking so much time.</p>
+
+<p>Note that you can also find about every alert in the trace by clicking the <em>Alerts</em> tab to
+the far right of the window. Doing so expands the Alerts panel, where you can see every alert that
+the tool discovered in your trace, along with an occurrence count.</p>
+
+<img src="{@docRoot}images/systrace/frame-selected-alert-tab.png" alt="Alert tab shown" id="figure4" />
+<p class="img-caption">
+  <strong>Figure 4.</strong> Clicking the Alert button to the right reveals the alert tab.
+</p>
+
+<p>The Alerts panel helps you see which problems occur in the trace, and how often they contribute
+to jank. Think of the alerts panel as a list of bugs to be fixed, often a tiny change or improvement
+in one area can eliminate an entire class of alerts from your application!</p>
 
 
 <h2 id="app-trace">Tracing Application Code</h2>
 
-<p>The Systrace tool can trace the execution of code within your application. In Android
-4.3 (API level 18) and higher, you can use the methods of the {@link android.os.Trace} class to
-add instrumentation to your application code and see the results in a Systrace report.</p>
+<p>The tracing signals defined by the framework do not have visibility into everything your
+application is doing, so you may want to add your own. In Android 4.3 (API level 18) and higher, you
+can use the methods of the {@link android.os.Trace} class to add signals to your code. This
+technique can help you see what work your application's threads are doing at any given time. Tracing
+begin and end events do add overhead while a trace is being captured, a few microseconds each, but
+sprinkling in a few per frame, or per worker thread task can go a long way to adding context to a
+trace of your app.</p>
 
 <p>The following code example shows how to use the {@link android.os.Trace} class to track
 execution of an application method, including two nested code blocks within that method.</p>
@@ -212,6 +259,8 @@
     }
 }
 </pre>
+
+<!-- todo: move these two Notes to the android.os.Trace class -->
 <p class="note">
   <strong>Note:</strong> When you nest trace calls within each other, the
   {@link android.os.Trace#endSection} method ends the most recently called
@@ -229,99 +278,10 @@
 <p>When using application-level tracing with Systrace, you must specify the package name of your
 application in the user interface or specify the {@code -a} or {@code --app=} options on the
 command line. For more information, see the
-<a href="{@docRoot}tools/help/systrace.html">Systrace</a> help page.</p>
+<a href="{@docRoot}tools/help/systrace.html">Systrace usage guide</a>.</p>
 
-<!-- todo: add ndk coverage -->
+<p>You should enable app level tracing when profiling your app, even if you have not added signals
+yourself. Library code can include very useful tracing signals when you enable application-level
+tracing. The {@link android.support.v7.widget.RecyclerView} class is a great example of this,
+providing information about several important stages of work it executes.</p>
 
-
-<h2 id="analysis">Analyzing Traces</h2>
-
-<p>After you have generated a trace using Systrace, it lists the location of the output
-  file and you can open the report using a web browser.
-  How you use the trace data depends on the performance issues you are investigating. However,
-  this section provides some general instructions on how to analyze a trace.</p>
-
-<p>The reports generated by Systrace are interactive, allowing you to zoom into and out of
-  the process execution details. Use the <em>W</em> key to zoom in, the <em>S</em>
-  key to zoom out, the <em>A</em> key to pan left and the <em>D</em> key to pan
-  right. Select a task in timeline using your mouse to get more information about the task.
-  For more information about the using the keyboard navigation shortcuts and navigation, see the
-  <a href="{@docRoot}tools/help/systrace.html#viewing-options">Systrace</a> reference
-  documentation.</p>
-
-<h3 id="long-processes">Long running processes</h3>
-
-<p>A well-behaved application executes many small operations quickly and with a regular rhythm,
-  with individual operations completing within few milliseconds, depending on the device
-  and the processes being performed, as shown in figure 2:</p>
-
-<img src="{@docRoot}images/systrace/process-rhythm.png" alt="Systrace exerpt of app processing"
-id="figure2" />
-<p class="img-caption">
-  <strong>Figure 2.</strong> Excerpt from a trace of a smoothly running application with a regular
-  execution rhythm.
-</p>
-
-<p>The trace excerpt in figure 2 shows a well-behaved application with
-  a regular process rhythm (1). The lower section of figure 2 shows a magnified section of
-  the trace indicated by the dotted outline, which reveals some irregularity in the process
-  execution. In particular, one of the wider task bars, indicated by (2), is taking slightly
-  longer (14 milliseconds) than other, similar tasks on this thread, which are averaging between
-  9 and 12 milliseconds to complete. This particular task execution length is likely not noticeable
-  to a user, unless it impacts another process with specific timing, such as a screen update.</p>
-
-<p>Long running processes show up as thicker than usual execution bars in a trace. These thicker
-  bars can indicate a problem in your application performance. When they show up in your
-  trace, zoom in on the process using the
-  <a href="{@docRoot}tools/help/systrace.html#viewing-options">keyboard navigation</a> shortcuts to
-  identify the task causing the problem, and click on the task to get more information. You should
-  also look at other processes running at the same time, looking for a thread in one process that is
-  being blocked by another process.</p>
-
-
-<h3 id="display-interupts">Interruptions in display execution</h3>
-
-<p>The Systrace tool is particularly useful in analyzing application display slowness,
-  or pauses in animations, because it shows you the execution of your application across multiple
-  system processes. With display execution, drawing screen frames with a regular rhythm is essential
-  for good performance. Having a regular rhythm for display ensures that animations and motion are
-  smooth on screen. If an application drops out of this rhythm, the display can become jerky or slow
-  from the users perspective.</p>
-
-<p>If you are analyzing an application for this type of problem, examine the
-  <strong>SurfaceFlinger</strong> process in the Systrace report where your application is
-  also executing to look for places where it drops out of its regular rhythm.</p>
-
-<img src="{@docRoot}images/systrace/display-rhythm.png" alt="Systrace exerpt of display processing"
-id="figure3" />
-<p class="img-caption">
-  <strong>Figure 3.</strong> Excerpt from a trace of an application showing interruptions in
-  display processing.
-</p>
-
-<p>The trace excerpt in figure 3 shows an section of a trace that indicates an interruption in the
-  device display. The section of the <strong>SurfaceFlinger</strong> process in top excerpt,
-  indicated by (1), shows that display frames are being missed. These
-  dropped frames are potentially causing the display to stutter or halt. Zooming into this problem
-  area in the lower trace, shows that a memory operation (image buffer dequeuing and allocation) in
-  the <strong>surfaceflinger</strong> secondary thread is taking a long time (2). This delay
-  causes the application to miss the display update window, indicated by the dotted
-  line. As the developer of this application, you should investigate other threads in your
-  application that may also be trying to allocate memory at the same time or otherwise blocking
-  memory allocation with another request or task.</p>
-
-<p>Regular, rhythmic execution of the <strong>SurfaceFlinger</strong> process is essential to smooth
-  display of screen content, particularly for animations and motion. Interruptions in the regular
-  execution pattern of this thread is not always an indication of a display problem with your
-  application. Further testing is required to determine if this is actually a performance problem
-  from a user perspective. Being able to identify display execution patterns like the example above
-  can help you detect display problems and build a smooth-running, high-performance application.
-</p>
-
-<p class="note">
-  <strong>Note:</strong> When using Systrace to analyze display problems, make sure
-  you activate the tracing tags for <strong>Graphics</strong> and <strong>Views</strong>.
-</p>
-
-<p>For more information on the command line options and keyboard controls for Systrace,
-see the <a href="{@docRoot}tools/help/systrace.html">Systrace</a> help page.</p>
\ No newline at end of file
diff --git a/docs/html/tools/help/systrace.jd b/docs/html/tools/help/systrace.jd
index 4461da9..2a8e86f 100644
--- a/docs/html/tools/help/systrace.jd
+++ b/docs/html/tools/help/systrace.jd
@@ -13,9 +13,7 @@
 <p>The Systrace tool is particularly useful in diagnosing display problems where an
   application is slow to draw or stutters while displaying motion or animation. For more information
   on how to use Systrace, see <a href="{@docRoot}tools/debugging/systrace.html">Analyzing
-  Display and Performance</a>.</p>
-
-
+  UI Performance with Systrace</a>.</p>
 
 <h2 id="requirements">Requirements</h2>
 
@@ -37,7 +35,7 @@
 <a href="{@docRoot}sdk/installing/studio.html">Android Studio</a>,
 or the Android <a href="{@docRoot}tools/help/monitor.html">Device Monitor</a>.
 
-<p>To run the Systrace user interface:</p>
+<p>To run the Systrace capture user interface:</p>
 
 <div class="toggle-content closed">
 <p style="margin-top:5px"><a href="#" onclick="return toggleContent(this)">
@@ -100,7 +98,6 @@
 </div>
 
 
-
 <h2 id="options">Command Line Usage</h2>
 
 <p>The Systrace tool has different command line options for devices running Android 4.3 (API
@@ -118,9 +115,9 @@
 
 <h3 id="options-4.3">Android 4.3 and higher options</h3>
 
-<p>When you use Systrace on devices running Android 4.3 and higher, you must specify at least one
-trace category tag. Here is an example execution run that sets trace tags and generates a trace
-from a connected device.</p>
+<p>When you use Systrace on devices running Android 4.3 and higher, you can omit trace category tags
+to get the defaults, or you may manually specify tags for inclusion. Here is an example execution
+run that sets trace tags and generates a trace from a connected device.</p>
 
 <pre>
 $ cd <em>android-sdk</em>/platform-tools/systrace
@@ -220,19 +217,10 @@
     <a href="{@docRoot}guide/topics/manifest/manifest-element.html#package">package names</a>.
     The apps must contain tracing instrumentation calls from the {@link android.os.Trace} class.
     For more information, see <a href="{@docRoot}tools/debugging/systrace.html#app-trace">Analyzing
-    Display and Performance</a>.
+    UI Performance with Systrace</a>.
     </td>
   </tr>
 
-
-
-  <tr>
-    <td><code>--link-assets</code></td>
-
-    <td>Link to the original CSS or JavaScript resources instead of embedding them in the HTML
-      trace report.</td>
-  </tr>
-
   <tr>
     <td><code>--from-file=&lt;<em>FROM_FILE</em>&gt;</code></td>
 
@@ -240,13 +228,6 @@
   </tr>
 
   <tr>
-    <td><code>--asset-dir=&lt;<em>ASSET_DIR</em>&gt;</code></td>
-
-    <td>Specify a directory for the trace report assets. This option is useful for maintaining a
-      single set of assets for multiple Systrace reports.</td>
-  </tr>
-
-  <tr>
     <td style="white-space:nowrap">
     <code>-e &lt;<em>DEVICE_SERIAL</em>&gt;<br>
     --serial=&lt;<em>DEVICE_SERIAL</em>&gt;</code></td>
@@ -375,13 +356,6 @@
     </td>
   </tr>
 
-  <tr>
-    <td><code>--link-assets</code></td>
-
-    <td>Link to the original CSS or JS resources instead of embedding them in the HTML trace
-    report.</td>
-  </tr>
-
 </table>
 
 <p>You can set the trace <a href="#tags">tags</a> for Systrace on
@@ -455,16 +429,4 @@
     <td>Select the previous event on the currently selected timeline.</td>
   </tr>
 
-  <tr>
-    <td><strong>Double Click</strong></td>
-
-    <td>Zoom into the trace timeline.</td>
-  </tr>
-
-  <tr>
-    <td><strong>Shift+Double Click</strong></td>
-
-    <td>Zoom out of the trace timeline.</td>
-  </tr>
-
 </table>
diff --git a/docs/html/tools/studio/index.jd b/docs/html/tools/studio/index.jd
index e7de000..0113347 100644
--- a/docs/html/tools/studio/index.jd
+++ b/docs/html/tools/studio/index.jd
@@ -83,11 +83,11 @@
      <img src="{@docRoot}images/tools/projectview01.png" />
      <p class="img-caption"><strong>Figure 1.</strong> Show the Android project view.</p>
      <img src="{@docRoot}images/tools/studio-projectview_scripts.png"  />
-     <p class="img-caption"><strong>Figure 2.</strong> Show project build Files.</p>
+     <p class="img-caption"><strong>Figure 2.</strong> Show project build files.</p>
 
 <p>The <em>Android</em> project view shows all the build files at the top level of the project
 hierarchy under <strong>Gradle Scripts</strong>. Each project module appears as a folder at the
-top level of the project hierarchy and contains these three elements at the top level:</p>
+top level of the project hierarchy and contains these four elements at the top level:</p>
 
 <ul>
   <li><code>java/</code> - Source files for the module.</li>
@@ -109,10 +109,10 @@
 should notice that the project structure appears different than you may be used to in Eclipse. Each
 instance of Android Studio contains a project with one or more application modules. Each
 application module folder contains the complete source sets for that module, including
-{@code src/main} and {@code src/androidTest} directories, resources, build
+{@code src/main/} and {@code src/androidTest/} directories, resources, build
 file and the Android manifest. For the most part, you will need to modify the files under each
-module's {@code src/main} directory for source code updates, the gradle.build file for build
-specification and the files under {@code src/androidTest} directory for test case creation.
+module's {@code src/main/} directory for source code updates, the gradle.build file for build
+specification and the files under {@code src/androidTest/} directory for test case creation.
 
     <p>  <img src="{@docRoot}images/tools/studio-project-layout.png" alt="" /></p>
     <p>  <class="img-caption"><strong>Figure 3.</strong> View Android Studio <em>Project</em>
@@ -131,7 +131,7 @@
 </ul>
 
 <p>For example, selecting the <strong>Problems</strong> view of your project displays links to the
-source files containing any recognized coding and syntax errors, such as missing a XML element
+source files containing any recognized coding and syntax errors, such as missing an XML element
 closing tag in a layout file.<p>
 
 <p>For more information, see
@@ -199,7 +199,7 @@
     </pre>
 
 <p class="note"><strong>Note:</strong> The <em>applicationId</em> is specified only in your
-build.gradle file, and not in the AndroidManifest.xml file.</p>
+{@code build.gradle} file, and not in the AndroidManifest.xml file.</p>
 
 <p>When using build variants, the build system enables you to uniquely identify different
 packages for each product flavors and build types. The application ID in the build type is added as
@@ -643,7 +643,7 @@
 installed, set the Android Plugin for Gradle proxy settings in the Gradle build file.</p>
 
 <p>For application-specific HTTP proxy settings, set the proxy settings in the
-<strong>build.gradle</strong> file as required for each application module.</p>
+{@code build.gradle} file as required for each application module.</p>
 <pre>
 apply plugin: 'com.android.application'
 
diff --git a/docs/html/tools/tools_toc.cs b/docs/html/tools/tools_toc.cs
index 9951330..82515d4 100644
--- a/docs/html/tools/tools_toc.cs
+++ b/docs/html/tools/tools_toc.cs
@@ -130,7 +130,7 @@
       <li><a href="<?cs var:toroot ?>tools/debugging/debugging-ui.html"><span class="en">Optimizing your UI</span></a></li>
       <li><a href="<?cs var:toroot ?>tools/debugging/debugging-tracing.html"><span class="en">Profiling with Traceview and dmtracedump</span></a></li>
       <li><a href="<?cs var:toroot ?>tools/debugging/annotations.html"><span class="en">Improving Code Inspection with Annotations</span></a></li>
-      <li><a href="<?cs var:toroot ?>tools/debugging/systrace.html"><span class="en">Analyzing Display and Performance</span></a></li>
+      <li><a href="<?cs var:toroot ?>tools/debugging/systrace.html"><span class="en">Analyzing UI Performance</span></a></li>
       <li><a href="<?cs var:toroot ?>tools/debugging/debugging-memory.html">Investigating Your RAM Usage</a></li>
       <li><a href="<?cs var:toroot ?>tools/debugging/debugging-devtools.html"><span class="en">Using the Dev Tools App</span></a></li>
     </ul>
diff --git a/docs/html/training/articles/perf-tips.jd b/docs/html/training/articles/perf-tips.jd
index e9df51b..4a3184c 100644
--- a/docs/html/training/articles/perf-tips.jd
+++ b/docs/html/training/articles/perf-tips.jd
@@ -427,7 +427,7 @@
 <ul>
   <li><a href="{@docRoot}tools/debugging/debugging-tracing.html">Profiling with
     Traceview and dmtracedump</a></li>
-  <li><a href="{@docRoot}tools/debugging/systrace.html">Analysing Display and Performance
+  <li><a href="{@docRoot}tools/debugging/systrace.html">Analyzing UI Performance
     with Systrace</a></li>
 </ul>
 
diff --git a/docs/html/training/wearables/apps/always-on.jd b/docs/html/training/wearables/apps/always-on.jd
index 5bb6064..d384974 100644
--- a/docs/html/training/wearables/apps/always-on.jd
+++ b/docs/html/training/wearables/apps/always-on.jd
@@ -30,6 +30,11 @@
 so you should carefully consider that impact when adding this feature to your app.
 </p>
 
+<div class="video-wrapper-left">
+<iframe src="https://www.youtube.com/embed/7m6Z9d0fDaM" frameborder="0"
+allowfullscreen></iframe>
+</div>
+
 <p>Android Wear devices running Android version 5.1 or higher allow apps to remain in the
 foreground while saving battery power. Android Wear apps can control what’s displayed on the
 wearable device screen while the device is in a low-power ambient mode. Wear apps that run in both
diff --git a/docs/html/tv/adt-1/index.jd b/docs/html/tv/adt-1/index.jd
index 82760ed..4f62796 100644
--- a/docs/html/tv/adt-1/index.jd
+++ b/docs/html/tv/adt-1/index.jd
@@ -274,14 +274,6 @@
   starts the multi-color cycle, release the small, round button, and ADT-1 boots up. If you release
   the button while the LED is flashing red, the device will be in Fastboot mode.</p>
 
-<p>
-  <strong>There is a hardware problem with my ADT-1. How do I return it?</strong>
-</p>
-<p>You can request a return of the device using the
-  <a href="https://support.google.com/googleplay/android-developer/contact/adt_rma">return
-  merchandise authorization form</a>.
-</p>
-
 
 <h2 id="emote">Android TV Remote Control App</h2>
 
diff --git a/graphics/java/android/graphics/drawable/Animatable2.java b/graphics/java/android/graphics/drawable/Animatable2.java
new file mode 100644
index 0000000..7c7e60e
--- /dev/null
+++ b/graphics/java/android/graphics/drawable/Animatable2.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.graphics.drawable;
+
+import android.annotation.NonNull;
+
+/**
+ * Abstract class that drawables supporting animations and callbacks should extend.
+ */
+public interface Animatable2 extends Animatable {
+
+    /**
+     * Adds a callback to listen to the animation events.
+     *
+     * @param callback Callback to add.
+     */
+    void registerAnimationCallback(@NonNull AnimationCallback callback);
+
+    /**
+     * Removes the specified animation callback.
+     *
+     * @param callback Callback to remove.
+     * @return {@code false} if callback didn't exist in the call back list, or {@code true} if
+     *         callback has been removed successfully.
+     */
+    boolean unregisterAnimationCallback(@NonNull AnimationCallback callback);
+
+    /**
+     * Removes all existing animation callbacks.
+     */
+    void clearAnimationCallbacks();
+
+    public static abstract class AnimationCallback {
+        /**
+         * Called when the animation starts.
+         *
+         * @param drawable The drawable started the animation.
+         */
+        public void onAnimationStart(Drawable drawable) {};
+        /**
+         * Called when the animation ends.
+         *
+         * @param drawable The drawable finished the animation.
+         */
+        public void onAnimationEnd(Drawable drawable) {};
+    }
+}
diff --git a/graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java b/graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java
index 100c2f4..1ae10d3 100644
--- a/graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java
+++ b/graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java
@@ -16,6 +16,7 @@
 
 import android.animation.Animator;
 import android.animation.AnimatorInflater;
+import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.Animator.AnimatorListener;
 import android.annotation.NonNull;
@@ -42,7 +43,6 @@
 
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.List;
 
 /**
  * This class uses {@link android.animation.ObjectAnimator} and
@@ -129,7 +129,7 @@
  * @attr ref android.R.styleable#AnimatedVectorDrawableTarget_name
  * @attr ref android.R.styleable#AnimatedVectorDrawableTarget_animation
  */
-public class AnimatedVectorDrawable extends Drawable implements Animatable {
+public class AnimatedVectorDrawable extends Drawable implements Animatable2 {
     private static final String LOGTAG = "AnimatedVectorDrawable";
 
     private static final String ANIMATED_VECTOR = "animated-vector";
@@ -153,6 +153,10 @@
 
     private boolean mMutated;
 
+    /** Use a internal AnimatorListener to support callbacks during animation events. */
+    private ArrayList<Animatable2.AnimationCallback> mAnimationCallbacks = null;
+    private AnimatorListener mAnimatorListener = null;
+
     public AnimatedVectorDrawable() {
         this(null, null);
     }
@@ -380,36 +384,6 @@
         }
     }
 
-    /**
-     * Adds a listener to the set of listeners that are sent events through the life of an
-     * animation.
-     *
-     * @param listener the listener to be added to the current set of listeners for this animation.
-     */
-    public void addListener(AnimatorListener listener) {
-        mAnimatorSet.addListener(listener);
-    }
-
-    /**
-     * Removes a listener from the set listening to this animation.
-     *
-     * @param listener the listener to be removed from the current set of listeners for this
-     *                 animation.
-     */
-    public void removeListener(AnimatorListener listener) {
-        mAnimatorSet.removeListener(listener);
-    }
-
-    /**
-     * Gets the set of {@link android.animation.Animator.AnimatorListener} objects that are currently
-     * listening for events on this <code>AnimatedVectorDrawable</code> object.
-     *
-     * @return List<AnimatorListener> The set of listeners.
-     */
-    public List<AnimatorListener> getListeners() {
-        return mAnimatorSet.getListeners();
-    }
-
     private static class AnimatedVectorDrawableState extends ConstantState {
         int mChangingConfigurations;
         VectorDrawable mVectorDrawable;
@@ -604,6 +578,15 @@
         return mAnimatorSet.isStarted();
     }
 
+    /**
+     * Resets the AnimatedVectorDrawable to the start state as specified in the animators.
+     */
+    public void reset() {
+        // TODO: Use reverse or seek to implement reset, when AnimatorSet supports them.
+        start();
+        mAnimatorSet.cancel();
+    }
+
     @Override
     public void start() {
         ensureAnimatorSet();
@@ -674,4 +657,77 @@
             unscheduleSelf(what);
         }
     };
-}
+
+    @Override
+    public void registerAnimationCallback(@NonNull AnimationCallback callback) {
+        if (callback == null) {
+            return;
+        }
+
+        // Add listener accordingly.
+        if (mAnimationCallbacks == null) {
+            mAnimationCallbacks = new ArrayList<>();
+        }
+
+        mAnimationCallbacks.add(callback);
+
+        if (mAnimatorListener == null) {
+            // Create a animator listener and trigger the callback events when listener is
+            // triggered.
+            mAnimatorListener = new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationStart(Animator animation) {
+                    ArrayList<AnimationCallback> tmpCallbacks = new ArrayList<>(mAnimationCallbacks);
+                    int size = tmpCallbacks.size();
+                    for (int i = 0; i < size; i ++) {
+                        tmpCallbacks.get(i).onAnimationStart(AnimatedVectorDrawable.this);
+                    }
+                }
+
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    ArrayList<AnimationCallback> tmpCallbacks = new ArrayList<>(mAnimationCallbacks);
+                    int size = tmpCallbacks.size();
+                    for (int i = 0; i < size; i ++) {
+                        tmpCallbacks.get(i).onAnimationEnd(AnimatedVectorDrawable.this);
+                    }
+                }
+            };
+        }
+        mAnimatorSet.addListener(mAnimatorListener);
+    }
+
+    // A helper function to clean up the animator listener in the mAnimatorSet.
+    private void removeAnimatorSetListener() {
+        if (mAnimatorListener != null) {
+            mAnimatorSet.removeListener(mAnimatorListener);
+            mAnimatorListener = null;
+        }
+    }
+
+    @Override
+    public boolean unregisterAnimationCallback(@NonNull AnimationCallback callback) {
+        if (mAnimationCallbacks == null || callback == null) {
+            // Nothing to be removed.
+            return false;
+        }
+        boolean removed = mAnimationCallbacks.remove(callback);
+
+        //  When the last call back unregistered, remove the listener accordingly.
+        if (mAnimationCallbacks.size() == 0) {
+            removeAnimatorSetListener();
+        }
+        return removed;
+    }
+
+    @Override
+    public void clearAnimationCallbacks() {
+        removeAnimatorSetListener();
+        if (mAnimationCallbacks == null) {
+            return;
+        }
+
+        mAnimationCallbacks.clear();
+    }
+
+}
\ No newline at end of file
diff --git a/graphics/java/android/graphics/drawable/RippleComponent.java b/graphics/java/android/graphics/drawable/RippleComponent.java
index aa2aa20..23a3ee3 100644
--- a/graphics/java/android/graphics/drawable/RippleComponent.java
+++ b/graphics/java/android/graphics/drawable/RippleComponent.java
@@ -233,6 +233,10 @@
 
         if (mHasPendingHardwareAnimator) {
             mHasPendingHardwareAnimator = false;
+
+            // Manually jump values to their exited state. Normally we'd do that
+            // later when starting the hardware exit, but we're aborting early.
+            jumpValuesToExit();
         }
     }
 
diff --git a/graphics/java/android/graphics/drawable/VectorDrawable.java b/graphics/java/android/graphics/drawable/VectorDrawable.java
index b9f3f2a..5e205bd 100644
--- a/graphics/java/android/graphics/drawable/VectorDrawable.java
+++ b/graphics/java/android/graphics/drawable/VectorDrawable.java
@@ -311,6 +311,11 @@
     }
 
     @Override
+    public ColorFilter getColorFilter() {
+        return mColorFilter;
+    }
+
+    @Override
     public void setTintList(ColorStateList tint) {
         final VectorDrawableState state = mVectorState;
         if (state.mTint != tint) {
diff --git a/keystore/java/android/security/KeyStore.java b/keystore/java/android/security/KeyStore.java
index 37ed723..1a05104 100644
--- a/keystore/java/android/security/KeyStore.java
+++ b/keystore/java/android/security/KeyStore.java
@@ -514,15 +514,20 @@
         }
     }
 
-    public OperationResult finish(IBinder token, KeymasterArguments arguments, byte[] signature) {
+    public OperationResult finish(IBinder token, KeymasterArguments arguments, byte[] signature,
+            byte[] entropy) {
         try {
-            return mBinder.finish(token, arguments, signature);
+            return mBinder.finish(token, arguments, signature, entropy);
         } catch (RemoteException e) {
             Log.w(TAG, "Cannot connect to keystore", e);
             return null;
         }
     }
 
+    public OperationResult finish(IBinder token, KeymasterArguments arguments, byte[] signature) {
+        return finish(token, arguments, signature, null);
+    }
+
     public int abort(IBinder token) {
         try {
             return mBinder.abort(token);
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreBCWorkaroundProvider.java b/keystore/java/android/security/keystore/AndroidKeyStoreBCWorkaroundProvider.java
index aa2b946..e555cc0 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreBCWorkaroundProvider.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreBCWorkaroundProvider.java
@@ -122,6 +122,106 @@
                 PACKAGE_NAME + ".AndroidKeyStoreRSACipherSpi$OAEPWithSHA512AndMGF1Padding");
         put("Alg.Alias.Cipher.RSA/None/OAEPWithSHA-512AndMGF1Padding",
                 "RSA/ECB/OAEPWithSHA-512AndMGF1Padding");
+
+        // --------------------- java.security.Signature
+        putSignatureImpl("NONEwithRSA",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$NONEWithPKCS1Padding");
+
+        putSignatureImpl("MD5withRSA",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$MD5WithPKCS1Padding");
+        put("Alg.Alias.Signature.MD5WithRSAEncryption", "MD5WithRSA");
+        put("Alg.Alias.Signature.MD5/RSA", "MD5WithRSA");
+        put("Alg.Alias.Signature.1.2.840.113549.1.1.4", "MD5WithRSA");
+        put("Alg.Alias.Signature.1.2.840.113549.2.5with1.2.840.113549.1.1.1", "MD5WithRSA");
+
+        putSignatureImpl("SHA1withRSA",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA1WithPKCS1Padding");
+        put("Alg.Alias.Signature.SHA1WithRSAEncryption", "SHA1WithRSA");
+        put("Alg.Alias.Signature.SHA1/RSA", "SHA1WithRSA");
+        put("Alg.Alias.Signature.SHA-1/RSA", "SHA1WithRSA");
+        put("Alg.Alias.Signature.1.2.840.113549.1.1.5", "SHA1WithRSA");
+        put("Alg.Alias.Signature.1.3.14.3.2.26with1.2.840.113549.1.1.1", "SHA1WithRSA");
+        put("Alg.Alias.Signature.1.3.14.3.2.26with1.2.840.113549.1.1.5", "SHA1WithRSA");
+        put("Alg.Alias.Signature.1.3.14.3.2.29", "SHA1WithRSA");
+
+        putSignatureImpl("SHA224withRSA",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA224WithPKCS1Padding");
+        put("Alg.Alias.Signature.SHA224WithRSAEncryption", "SHA224WithRSA");
+        put("Alg.Alias.Signature.1.2.840.113549.1.1.11", "SHA224WithRSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.4with1.2.840.113549.1.1.1",
+                "SHA224WithRSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.4with1.2.840.113549.1.1.11",
+                "SHA224WithRSA");
+
+        putSignatureImpl("SHA256withRSA",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA256WithPKCS1Padding");
+        put("Alg.Alias.Signature.SHA256WithRSAEncryption", "SHA256WithRSA");
+        put("Alg.Alias.Signature.1.2.840.113549.1.1.11", "SHA256WithRSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.1with1.2.840.113549.1.1.1",
+                "SHA256WithRSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.1with1.2.840.113549.1.1.11",
+                "SHA256WithRSA");
+
+        putSignatureImpl("SHA384withRSA",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA384WithPKCS1Padding");
+        put("Alg.Alias.Signature.SHA384WithRSAEncryption", "SHA384WithRSA");
+        put("Alg.Alias.Signature.1.2.840.113549.1.1.12", "SHA384WithRSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.2with1.2.840.113549.1.1.1",
+                "SHA384WithRSA");
+
+        putSignatureImpl("SHA512withRSA",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA512WithPKCS1Padding");
+        put("Alg.Alias.Signature.SHA512WithRSAEncryption", "SHA512WithRSA");
+        put("Alg.Alias.Signature.1.2.840.113549.1.1.13", "SHA512WithRSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.3with1.2.840.113549.1.1.1",
+                "SHA512WithRSA");
+
+        putSignatureImpl("SHA1withRSA/PSS",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA1WithPSSPadding");
+        putSignatureImpl("SHA224withRSA/PSS",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA224WithPSSPadding");
+        putSignatureImpl("SHA256withRSA/PSS",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA256WithPSSPadding");
+        putSignatureImpl("SHA384withRSA/PSS",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA384WithPSSPadding");
+        putSignatureImpl("SHA512withRSA/PSS",
+                PACKAGE_NAME + ".AndroidKeyStoreRSASignatureSpi$SHA512WithPSSPadding");
+
+        putSignatureImpl("NONEwithECDSA",
+                PACKAGE_NAME + ".AndroidKeyStoreECDSASignatureSpi$NONE");
+
+        putSignatureImpl("ECDSA", PACKAGE_NAME + ".AndroidKeyStoreECDSASignatureSpi$SHA1");
+        put("Alg.Alias.Signature.SHA1withECDSA", "ECDSA");
+        put("Alg.Alias.Signature.ECDSAwithSHA1", "ECDSA");
+        // iso(1) member-body(2) us(840) ansi-x962(10045) signatures(4) ecdsa-with-SHA1(1)
+        put("Alg.Alias.Signature.1.2.840.10045.4.1", "ECDSA");
+        put("Alg.Alias.Signature.1.3.14.3.2.26with1.2.840.10045.2.1", "ECDSA");
+
+        // iso(1) member-body(2) us(840) ansi-x962(10045) signatures(4) ecdsa-with-SHA2(3)
+        putSignatureImpl("SHA224withECDSA",
+                PACKAGE_NAME + ".AndroidKeyStoreECDSASignatureSpi$SHA224");
+        // ecdsa-with-SHA224(1)
+        put("Alg.Alias.Signature.1.2.840.10045.4.3.1", "SHA224withECDSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.4with1.2.840.10045.2.1", "SHA224withECDSA");
+
+        // iso(1) member-body(2) us(840) ansi-x962(10045) signatures(4) ecdsa-with-SHA2(3)
+        putSignatureImpl("SHA256withECDSA",
+                PACKAGE_NAME + ".AndroidKeyStoreECDSASignatureSpi$SHA256");
+        // ecdsa-with-SHA256(2)
+        put("Alg.Alias.Signature.1.2.840.10045.4.3.2", "SHA256withECDSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.1with1.2.840.10045.2.1", "SHA256withECDSA");
+
+        putSignatureImpl("SHA384withECDSA",
+                PACKAGE_NAME + ".AndroidKeyStoreECDSASignatureSpi$SHA384");
+        // ecdsa-with-SHA384(3)
+        put("Alg.Alias.Signature.1.2.840.10045.4.3.3", "SHA384withECDSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.2with1.2.840.10045.2.1", "SHA384withECDSA");
+
+        putSignatureImpl("SHA512withECDSA",
+                PACKAGE_NAME + ".AndroidKeyStoreECDSASignatureSpi$SHA512");
+        // ecdsa-with-SHA512(4)
+        put("Alg.Alias.Signature.1.2.840.10045.4.3.4", "SHA512withECDSA");
+        put("Alg.Alias.Signature.2.16.840.1.101.3.4.2.3with1.2.840.10045.2.1", "SHA512withECDSA");
     }
 
     private void putMacImpl(String algorithm, String implClass) {
@@ -139,4 +239,10 @@
         put("Cipher." + transformation + " SupportedKeyClasses",
                 KEYSTORE_PRIVATE_KEY_CLASS_NAME + "|" + KEYSTORE_PUBLIC_KEY_CLASS_NAME);
     }
+
+    private void putSignatureImpl(String algorithm, String implClass) {
+        put("Signature." + algorithm, implClass);
+        put("Signature." + algorithm + " SupportedKeyClasses",
+                KEYSTORE_PRIVATE_KEY_CLASS_NAME + "|" + KEYSTORE_PUBLIC_KEY_CLASS_NAME);
+    }
 }
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreECDSASignatureSpi.java b/keystore/java/android/security/keystore/AndroidKeyStoreECDSASignatureSpi.java
new file mode 100644
index 0000000..335da07
--- /dev/null
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreECDSASignatureSpi.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.security.keystore;
+
+import android.annotation.NonNull;
+import android.security.KeyStore;
+import android.security.keymaster.KeyCharacteristics;
+import android.security.keymaster.KeymasterArguments;
+import android.security.keymaster.KeymasterDefs;
+
+import java.security.InvalidKeyException;
+import java.security.SignatureSpi;
+
+/**
+ * Base class for {@link SignatureSpi} providing Android KeyStore backed ECDSA signatures.
+ *
+ * @hide
+ */
+abstract class AndroidKeyStoreECDSASignatureSpi extends AndroidKeyStoreSignatureSpiBase {
+
+    public final static class NONE extends AndroidKeyStoreECDSASignatureSpi {
+        public NONE() {
+            super(KeymasterDefs.KM_DIGEST_NONE);
+        }
+    }
+
+    public final static class SHA1 extends AndroidKeyStoreECDSASignatureSpi {
+        public SHA1() {
+            super(KeymasterDefs.KM_DIGEST_SHA1);
+        }
+    }
+
+    public final static class SHA224 extends AndroidKeyStoreECDSASignatureSpi {
+        public SHA224() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_224);
+        }
+    }
+
+    public final static class SHA256 extends AndroidKeyStoreECDSASignatureSpi {
+        public SHA256() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_256);
+        }
+    }
+
+    public final static class SHA384 extends AndroidKeyStoreECDSASignatureSpi {
+        public SHA384() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_384);
+        }
+    }
+
+    public final static class SHA512 extends AndroidKeyStoreECDSASignatureSpi {
+        public SHA512() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_512);
+        }
+    }
+
+    private final int mKeymasterDigest;
+
+    private int mGroupSizeBytes = -1;
+
+    AndroidKeyStoreECDSASignatureSpi(int keymasterDigest) {
+        mKeymasterDigest = keymasterDigest;
+    }
+
+    @Override
+    protected final void initKey(AndroidKeyStoreKey key) throws InvalidKeyException {
+        if (!KeyProperties.KEY_ALGORITHM_EC.equalsIgnoreCase(key.getAlgorithm())) {
+            throw new InvalidKeyException("Unsupported key algorithm: " + key.getAlgorithm()
+                    + ". Only" + KeyProperties.KEY_ALGORITHM_EC + " supported");
+        }
+
+        KeyCharacteristics keyCharacteristics = new KeyCharacteristics();
+        int errorCode = getKeyStore().getKeyCharacteristics(
+                key.getAlias(), null, null, keyCharacteristics);
+        if (errorCode != KeyStore.NO_ERROR) {
+            throw getKeyStore().getInvalidKeyException(key.getAlias(), errorCode);
+        }
+        int keySizeBits = keyCharacteristics.getInt(KeymasterDefs.KM_TAG_KEY_SIZE, -1);
+        if (keySizeBits == -1) {
+            throw new InvalidKeyException("Size of key not known");
+        }
+        mGroupSizeBytes = (keySizeBits + 7) / 8;
+
+        super.initKey(key);
+    }
+
+    @Override
+    protected final void resetAll() {
+        mGroupSizeBytes = -1;
+        super.resetAll();
+    }
+
+    @Override
+    protected final void resetWhilePreservingInitState() {
+        super.resetWhilePreservingInitState();
+    }
+
+    @Override
+    protected void addAlgorithmSpecificParametersToBegin(
+            @NonNull KeymasterArguments keymasterArgs) {
+        keymasterArgs.addInt(KeymasterDefs.KM_TAG_ALGORITHM, KeymasterDefs.KM_ALGORITHM_EC);
+        keymasterArgs.addInt(KeymasterDefs.KM_TAG_DIGEST, mKeymasterDigest);
+    }
+
+    @Override
+    protected int getAdditionalEntropyAmountForBegin() {
+        return (isSigning()) ? mGroupSizeBytes : 0;
+    }
+}
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreECPublicKey.java b/keystore/java/android/security/keystore/AndroidKeyStoreECPublicKey.java
new file mode 100644
index 0000000..3ed396d
--- /dev/null
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreECPublicKey.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.security.keystore;
+
+import java.security.interfaces.ECPublicKey;
+import java.security.spec.ECParameterSpec;
+import java.security.spec.ECPoint;
+
+/**
+ * {@link ECPublicKey} backed by keystore.
+ *
+ * @hide
+ */
+public class AndroidKeyStoreECPublicKey extends AndroidKeyStorePublicKey implements ECPublicKey {
+
+    private final ECParameterSpec mParams;
+    private final ECPoint mW;
+
+    public AndroidKeyStoreECPublicKey(String alias, byte[] x509EncodedForm, ECParameterSpec params,
+            ECPoint w) {
+        super(alias, KeyProperties.KEY_ALGORITHM_EC, x509EncodedForm);
+        mParams = params;
+        mW = w;
+    }
+
+    public AndroidKeyStoreECPublicKey(String alias, ECPublicKey info) {
+        this(alias, info.getEncoded(), info.getParams(), info.getW());
+        if (!"X.509".equalsIgnoreCase(info.getFormat())) {
+            throw new IllegalArgumentException(
+                    "Unsupported key export format: " + info.getFormat());
+        }
+    }
+
+    @Override
+    public ECParameterSpec getParams() {
+        return mParams;
+    }
+
+    @Override
+    public ECPoint getW() {
+        return mW;
+    }
+}
\ No newline at end of file
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreKeyFactorySpi.java b/keystore/java/android/security/keystore/AndroidKeyStoreKeyFactorySpi.java
new file mode 100644
index 0000000..20db41b
--- /dev/null
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreKeyFactorySpi.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.security.keystore;
+
+import android.security.Credentials;
+import android.security.KeyStore;
+
+import java.security.InvalidKeyException;
+import java.security.Key;
+import java.security.KeyFactorySpi;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.KeySpec;
+import java.security.spec.PKCS8EncodedKeySpec;
+
+/**
+ * {@link KeyFactorySpi} backed by Android KeyStore.
+ *
+ * @hide
+ */
+public class AndroidKeyStoreKeyFactorySpi extends KeyFactorySpi {
+
+    private final KeyStore mKeyStore = KeyStore.getInstance();
+
+    @Override
+    protected <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpecClass)
+            throws InvalidKeySpecException {
+        if (keySpecClass == null) {
+            throw new InvalidKeySpecException("keySpecClass == null");
+        }
+        if (!(key instanceof AndroidKeyStorePrivateKey)) {
+            throw new InvalidKeySpecException("Only Android KeyStore private keys supported: " +
+                    ((key != null) ? key.getClass().getName() : "null"));
+        }
+        if (PKCS8EncodedKeySpec.class.isAssignableFrom(keySpecClass)) {
+            throw new InvalidKeySpecException(
+                    "Key material export of Android KeyStore keys is not supported");
+        }
+        if (!KeyInfo.class.equals(keySpecClass)) {
+            throw new InvalidKeySpecException("Unsupported key spec: " + keySpecClass.getName());
+        }
+        String keyAliasInKeystore = ((AndroidKeyStoreKey) key).getAlias();
+        String entryAlias;
+        if (keyAliasInKeystore.startsWith(Credentials.USER_PRIVATE_KEY)) {
+            entryAlias = keyAliasInKeystore.substring(Credentials.USER_PRIVATE_KEY.length());
+        } else {
+            throw new InvalidKeySpecException("Invalid key alias: " + keyAliasInKeystore);
+        }
+
+        @SuppressWarnings("unchecked")
+        T result = (T) AndroidKeyStoreSecretKeyFactorySpi.getKeyInfo(
+                mKeyStore, entryAlias, keyAliasInKeystore);
+        return result;
+    }
+
+    @Override
+    protected PrivateKey engineGeneratePrivate(KeySpec spec) throws InvalidKeySpecException {
+        throw new UnsupportedOperationException(
+                "To generate a key pair in Android KeyStore, use KeyPairGenerator initialized with"
+                + " " + KeyGenParameterSpec.class.getName());
+    }
+
+    @Override
+    protected PublicKey engineGeneratePublic(KeySpec spec) throws InvalidKeySpecException {
+        throw new UnsupportedOperationException(
+                "To generate a key pair in Android KeyStore, use KeyPairGenerator initialized with"
+                + " " + KeyGenParameterSpec.class.getName());
+    }
+
+    @Override
+    protected Key engineTranslateKey(Key arg0) throws InvalidKeyException {
+        throw new UnsupportedOperationException(
+                "To import a key into Android KeyStore, use KeyStore.setEntry with "
+                + KeyProtection.class.getName());
+    }
+}
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreKeyGeneratorSpi.java b/keystore/java/android/security/keystore/AndroidKeyStoreKeyGeneratorSpi.java
index dc4c8a3..4d6178f 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreKeyGeneratorSpi.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreKeyGeneratorSpi.java
@@ -296,19 +296,33 @@
         int flags = 0;
         String keyAliasInKeystore = Credentials.USER_SECRET_KEY + spec.getKeystoreAlias();
         KeyCharacteristics resultingKeyCharacteristics = new KeyCharacteristics();
-        int errorCode = mKeyStore.generateKey(
-                keyAliasInKeystore, args, additionalEntropy, flags, resultingKeyCharacteristics);
-        if (errorCode != KeyStore.NO_ERROR) {
-            throw new ProviderException(
-                    "Keystore operation failed", KeyStore.getKeyStoreException(errorCode));
-        }
-        @KeyProperties.KeyAlgorithmEnum String keyAlgorithmJCA;
+        boolean success = false;
         try {
-            keyAlgorithmJCA = KeyProperties.KeyAlgorithm.fromKeymasterSecretKeyAlgorithm(
-                    mKeymasterAlgorithm, mKeymasterDigest);
-        } catch (IllegalArgumentException e) {
-            throw new ProviderException("Failed to obtain JCA secret key algorithm name", e);
+            Credentials.deleteAllTypesForAlias(mKeyStore, spec.getKeystoreAlias());
+            int errorCode = mKeyStore.generateKey(
+                    keyAliasInKeystore,
+                    args,
+                    additionalEntropy,
+                    flags,
+                    resultingKeyCharacteristics);
+            if (errorCode != KeyStore.NO_ERROR) {
+                throw new ProviderException(
+                        "Keystore operation failed", KeyStore.getKeyStoreException(errorCode));
+            }
+            @KeyProperties.KeyAlgorithmEnum String keyAlgorithmJCA;
+            try {
+                keyAlgorithmJCA = KeyProperties.KeyAlgorithm.fromKeymasterSecretKeyAlgorithm(
+                        mKeymasterAlgorithm, mKeymasterDigest);
+            } catch (IllegalArgumentException e) {
+                throw new ProviderException("Failed to obtain JCA secret key algorithm name", e);
+            }
+            SecretKey result = new AndroidKeyStoreSecretKey(keyAliasInKeystore, keyAlgorithmJCA);
+            success = true;
+            return result;
+        } finally {
+            if (!success) {
+                Credentials.deleteAllTypesForAlias(mKeyStore, spec.getKeystoreAlias());
+            }
         }
-        return new AndroidKeyStoreSecretKey(keyAliasInKeystore, keyAlgorithmJCA);
     }
 }
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreKeyPairGeneratorSpi.java b/keystore/java/android/security/keystore/AndroidKeyStoreKeyPairGeneratorSpi.java
index 4b45fd7..7b5ca3a 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreKeyPairGeneratorSpi.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreKeyPairGeneratorSpi.java
@@ -121,7 +121,6 @@
     public KeyPair generateKeyPair() {
         if (mKeyStore == null || mSpec == null) {
             throw new IllegalStateException("Not initialized");
-
         }
 
         final int flags = (mEncryptionAtRestRequired) ? KeyStore.FLAG_ENCRYPTED : 0;
@@ -134,62 +133,65 @@
 
         final String alias = mSpec.getKeystoreAlias();
 
-        Credentials.deleteAllTypesForAlias(mKeyStore, alias);
-
         byte[][] args = getArgsForKeyType(mKeyType, mSpec.getAlgorithmParameterSpec());
 
         final String privateKeyAlias = Credentials.USER_PRIVATE_KEY + alias;
 
-        if (!mKeyStore.generate(privateKeyAlias, KeyStore.UID_SELF, mKeyType, mKeySize,
-                flags, args)) {
-            throw new IllegalStateException("could not generate key in keystore");
-        }
-
-        Credentials.deleteSecretKeyTypeForAlias(mKeyStore, alias);
-
-        final PrivateKey privKey;
-        final OpenSSLEngine engine = OpenSSLEngine.getInstance("keystore");
+        boolean success = false;
         try {
-            privKey = engine.getPrivateKeyById(privateKeyAlias);
-        } catch (InvalidKeyException e) {
-            throw new RuntimeException("Can't get key", e);
-        }
-
-        final byte[] pubKeyBytes = mKeyStore.getPubkey(privateKeyAlias);
-
-        final PublicKey pubKey;
-        try {
-            final KeyFactory keyFact = KeyFactory.getInstance(mKeyAlgorithm);
-            pubKey = keyFact.generatePublic(new X509EncodedKeySpec(pubKeyBytes));
-        } catch (NoSuchAlgorithmException e) {
-            throw new IllegalStateException("Can't instantiate key generator", e);
-        } catch (InvalidKeySpecException e) {
-            throw new IllegalStateException("keystore returned invalid key encoding", e);
-        }
-
-        final X509Certificate cert;
-        try {
-            cert = generateCertificate(privKey, pubKey);
-        } catch (Exception e) {
             Credentials.deleteAllTypesForAlias(mKeyStore, alias);
-            throw new IllegalStateException("Can't generate certificate", e);
-        }
+            if (!mKeyStore.generate(privateKeyAlias, KeyStore.UID_SELF, mKeyType, mKeySize,
+                    flags, args)) {
+                throw new IllegalStateException("could not generate key in keystore");
+            }
 
-        byte[] certBytes;
-        try {
-            certBytes = cert.getEncoded();
-        } catch (CertificateEncodingException e) {
-            Credentials.deleteAllTypesForAlias(mKeyStore, alias);
-            throw new IllegalStateException("Can't get encoding of certificate", e);
-        }
+            final PrivateKey privKey;
+            final OpenSSLEngine engine = OpenSSLEngine.getInstance("keystore");
+            try {
+                privKey = engine.getPrivateKeyById(privateKeyAlias);
+            } catch (InvalidKeyException e) {
+                throw new RuntimeException("Can't get key", e);
+            }
 
-        if (!mKeyStore.put(Credentials.USER_CERTIFICATE + alias, certBytes, KeyStore.UID_SELF,
-                flags)) {
-            Credentials.deleteAllTypesForAlias(mKeyStore, alias);
-            throw new IllegalStateException("Can't store certificate in AndroidKeyStore");
-        }
+            final byte[] pubKeyBytes = mKeyStore.getPubkey(privateKeyAlias);
 
-        return new KeyPair(pubKey, privKey);
+            final PublicKey pubKey;
+            try {
+                final KeyFactory keyFact = KeyFactory.getInstance(mKeyAlgorithm);
+                pubKey = keyFact.generatePublic(new X509EncodedKeySpec(pubKeyBytes));
+            } catch (NoSuchAlgorithmException e) {
+                throw new IllegalStateException("Can't instantiate key generator", e);
+            } catch (InvalidKeySpecException e) {
+                throw new IllegalStateException("keystore returned invalid key encoding", e);
+            }
+
+            final X509Certificate cert;
+            try {
+                cert = generateCertificate(privKey, pubKey);
+            } catch (Exception e) {
+                throw new IllegalStateException("Can't generate certificate", e);
+            }
+
+            byte[] certBytes;
+            try {
+                certBytes = cert.getEncoded();
+            } catch (CertificateEncodingException e) {
+                throw new IllegalStateException("Can't get encoding of certificate", e);
+            }
+
+            if (!mKeyStore.put(Credentials.USER_CERTIFICATE + alias, certBytes, KeyStore.UID_SELF,
+                    flags)) {
+                throw new IllegalStateException("Can't store certificate in AndroidKeyStore");
+            }
+
+            KeyPair result = new KeyPair(pubKey, privKey);
+            success = true;
+            return result;
+        } finally {
+            if (!success) {
+                Credentials.deleteAllTypesForAlias(mKeyStore, alias);
+            }
+        }
     }
 
     @SuppressWarnings("deprecation")
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java b/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
index 649a515..cb270bb 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreProvider.java
@@ -20,6 +20,7 @@
 
 import java.security.Provider;
 import java.security.Security;
+import java.security.Signature;
 
 import javax.crypto.Cipher;
 import javax.crypto.Mac;
@@ -52,6 +53,10 @@
         put("KeyPairGenerator.EC", PACKAGE_NAME + ".AndroidKeyStoreKeyPairGeneratorSpi$EC");
         put("KeyPairGenerator.RSA", PACKAGE_NAME +  ".AndroidKeyStoreKeyPairGeneratorSpi$RSA");
 
+        // java.security.KeyFactory
+        putKeyFactoryImpl("EC");
+        putKeyFactoryImpl("RSA");
+
         // javax.crypto.KeyGenerator
         put("KeyGenerator.AES", PACKAGE_NAME + ".AndroidKeyStoreKeyGeneratorSpi$AES");
         put("KeyGenerator.HmacSHA1", PACKAGE_NAME + ".AndroidKeyStoreKeyGeneratorSpi$HmacSHA1");
@@ -100,6 +105,10 @@
         put("SecretKeyFactory." + algorithm, PACKAGE_NAME + ".AndroidKeyStoreSecretKeyFactorySpi");
     }
 
+    private void putKeyFactoryImpl(String algorithm) {
+        put("KeyFactory." + algorithm, PACKAGE_NAME + ".AndroidKeyStoreKeyFactorySpi");
+    }
+
     /**
      * Gets the {@link KeyStore} operation handle corresponding to the provided JCA crypto
      * primitive.
@@ -118,12 +127,15 @@
             throw new NullPointerException();
         }
         Object spi;
-        if (cryptoPrimitive instanceof Mac) {
+        if (cryptoPrimitive instanceof Signature) {
+            spi = ((Signature) cryptoPrimitive).getCurrentSpi();
+        } else if (cryptoPrimitive instanceof Mac) {
             spi = ((Mac) cryptoPrimitive).getCurrentSpi();
         } else if (cryptoPrimitive instanceof Cipher) {
             spi = ((Cipher) cryptoPrimitive).getCurrentSpi();
         } else {
-            throw new IllegalArgumentException("Unsupported crypto primitive: " + cryptoPrimitive);
+            throw new IllegalArgumentException("Unsupported crypto primitive: " + cryptoPrimitive
+                    + ". Supported: Signature, Mac, Cipher");
         }
         if (spi == null) {
             throw new IllegalStateException("Crypto primitive not initialized");
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreRSAPublicKey.java b/keystore/java/android/security/keystore/AndroidKeyStoreRSAPublicKey.java
index 36bc997b..08a173e 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreRSAPublicKey.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreRSAPublicKey.java
@@ -30,7 +30,7 @@
 
     public AndroidKeyStoreRSAPublicKey(String alias, byte[] x509EncodedForm, BigInteger modulus,
             BigInteger publicExponent) {
-        super(alias, "RSA", x509EncodedForm);
+        super(alias, KeyProperties.KEY_ALGORITHM_RSA, x509EncodedForm);
         mModulus = modulus;
         mPublicExponent = publicExponent;
     }
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreRSASignatureSpi.java b/keystore/java/android/security/keystore/AndroidKeyStoreRSASignatureSpi.java
new file mode 100644
index 0000000..898336d
--- /dev/null
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreRSASignatureSpi.java
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.security.keystore;
+
+import android.annotation.NonNull;
+import android.security.keymaster.KeymasterArguments;
+import android.security.keymaster.KeymasterDefs;
+
+import java.security.InvalidKeyException;
+import java.security.SignatureSpi;
+
+/**
+ * Base class for {@link SignatureSpi} providing Android KeyStore backed RSA signatures.
+ *
+ * @hide
+ */
+abstract class AndroidKeyStoreRSASignatureSpi extends AndroidKeyStoreSignatureSpiBase {
+
+    abstract static class PKCS1Padding extends AndroidKeyStoreRSASignatureSpi {
+        PKCS1Padding(int keymasterDigest) {
+            super(keymasterDigest, KeymasterDefs.KM_PAD_RSA_PKCS1_1_5_SIGN);
+        }
+
+        @Override
+        protected final int getAdditionalEntropyAmountForBegin() {
+            // No entropy required for this deterministic signature scheme.
+            return 0;
+        }
+    }
+
+    public static final class NONEWithPKCS1Padding extends PKCS1Padding {
+        public NONEWithPKCS1Padding() {
+            super(KeymasterDefs.KM_DIGEST_NONE);
+        }
+    }
+
+    public static final class MD5WithPKCS1Padding extends PKCS1Padding {
+        public MD5WithPKCS1Padding() {
+            super(KeymasterDefs.KM_DIGEST_MD5);
+        }
+    }
+
+    public static final class SHA1WithPKCS1Padding extends PKCS1Padding {
+        public SHA1WithPKCS1Padding() {
+            super(KeymasterDefs.KM_DIGEST_SHA1);
+        }
+    }
+
+    public static final class SHA224WithPKCS1Padding extends PKCS1Padding {
+        public SHA224WithPKCS1Padding() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_224);
+        }
+    }
+
+    public static final class SHA256WithPKCS1Padding extends PKCS1Padding {
+        public SHA256WithPKCS1Padding() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_256);
+        }
+    }
+
+    public static final class SHA384WithPKCS1Padding extends PKCS1Padding {
+        public SHA384WithPKCS1Padding() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_384);
+        }
+    }
+
+    public static final class SHA512WithPKCS1Padding extends PKCS1Padding {
+        public SHA512WithPKCS1Padding() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_512);
+        }
+    }
+
+    abstract static class PSSPadding extends AndroidKeyStoreRSASignatureSpi {
+        private static final int SALT_LENGTH_BYTES = 20;
+
+        PSSPadding(int keymasterDigest) {
+            super(keymasterDigest, KeymasterDefs.KM_PAD_RSA_PSS);
+        }
+
+        @Override
+        protected final int getAdditionalEntropyAmountForBegin() {
+            return (isSigning()) ? SALT_LENGTH_BYTES : 0;
+        }
+    }
+
+    public static final class SHA1WithPSSPadding extends PSSPadding {
+        public SHA1WithPSSPadding() {
+            super(KeymasterDefs.KM_DIGEST_SHA1);
+        }
+    }
+
+    public static final class SHA224WithPSSPadding extends PSSPadding {
+        public SHA224WithPSSPadding() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_224);
+        }
+    }
+
+    public static final class SHA256WithPSSPadding extends PSSPadding {
+        public SHA256WithPSSPadding() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_256);
+        }
+    }
+
+    public static final class SHA384WithPSSPadding extends PSSPadding {
+        public SHA384WithPSSPadding() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_384);
+        }
+    }
+
+    public static final class SHA512WithPSSPadding extends PSSPadding {
+        public SHA512WithPSSPadding() {
+            super(KeymasterDefs.KM_DIGEST_SHA_2_512);
+        }
+    }
+
+    private final int mKeymasterDigest;
+    private final int mKeymasterPadding;
+
+    AndroidKeyStoreRSASignatureSpi(int keymasterDigest, int keymasterPadding) {
+        mKeymasterDigest = keymasterDigest;
+        mKeymasterPadding = keymasterPadding;
+    }
+
+    @Override
+    protected final void initKey(AndroidKeyStoreKey key) throws InvalidKeyException {
+        if (!KeyProperties.KEY_ALGORITHM_RSA.equalsIgnoreCase(key.getAlgorithm())) {
+            throw new InvalidKeyException("Unsupported key algorithm: " + key.getAlgorithm()
+                    + ". Only" + KeyProperties.KEY_ALGORITHM_RSA + " supported");
+        }
+        super.initKey(key);
+    }
+
+    @Override
+    protected final void resetAll() {
+        super.resetAll();
+    }
+
+    @Override
+    protected final void resetWhilePreservingInitState() {
+        super.resetWhilePreservingInitState();
+    }
+
+    @Override
+    protected final void addAlgorithmSpecificParametersToBegin(
+            @NonNull KeymasterArguments keymasterArgs) {
+        keymasterArgs.addInt(KeymasterDefs.KM_TAG_ALGORITHM, KeymasterDefs.KM_ALGORITHM_RSA);
+        keymasterArgs.addInt(KeymasterDefs.KM_TAG_DIGEST, mKeymasterDigest);
+        keymasterArgs.addInt(KeymasterDefs.KM_TAG_PADDING, mKeymasterPadding);
+    }
+}
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreSecretKeyFactorySpi.java b/keystore/java/android/security/keystore/AndroidKeyStoreSecretKeyFactorySpi.java
index 455f170..8b00821 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreSecretKeyFactorySpi.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreSecretKeyFactorySpi.java
@@ -21,9 +21,8 @@
 import android.security.keymaster.KeyCharacteristics;
 import android.security.keymaster.KeymasterDefs;
 
-import libcore.util.EmptyArray;
-
 import java.security.InvalidKeyException;
+import java.security.ProviderException;
 import java.security.spec.InvalidKeySpecException;
 import java.security.spec.KeySpec;
 import java.util.ArrayList;
@@ -35,7 +34,7 @@
 import javax.crypto.spec.SecretKeySpec;
 
 /**
- * {@link SecretKeyFactorySpi} backed by Android KeyStore.
+ * {@link SecretKeyFactorySpi} backed by Android Keystore.
  *
  * @hide
  */
@@ -60,7 +59,7 @@
         if (!KeyInfo.class.equals(keySpecClass)) {
             throw new InvalidKeySpecException("Unsupported key spec: " + keySpecClass.getName());
         }
-        String keyAliasInKeystore = ((AndroidKeyStoreSecretKey) key).getAlias();
+        String keyAliasInKeystore = ((AndroidKeyStoreKey) key).getAlias();
         String entryAlias;
         if (keyAliasInKeystore.startsWith(Credentials.USER_SECRET_KEY)) {
             entryAlias = keyAliasInKeystore.substring(Credentials.USER_SECRET_KEY.length());
@@ -68,11 +67,15 @@
             throw new InvalidKeySpecException("Invalid key alias: " + keyAliasInKeystore);
         }
 
+        return getKeyInfo(mKeyStore, entryAlias, keyAliasInKeystore);
+    }
+
+    static KeyInfo getKeyInfo(KeyStore keyStore, String entryAlias, String keyAliasInKeystore) {
         KeyCharacteristics keyCharacteristics = new KeyCharacteristics();
         int errorCode =
-                mKeyStore.getKeyCharacteristics(keyAliasInKeystore, null, null, keyCharacteristics);
+                keyStore.getKeyCharacteristics(keyAliasInKeystore, null, null, keyCharacteristics);
         if (errorCode != KeyStore.NO_ERROR) {
-            throw new InvalidKeySpecException("Failed to obtain information about key."
+            throw new ProviderException("Failed to obtain information about key."
                     + " Keystore error: " + errorCode);
         }
 
@@ -81,6 +84,7 @@
         int keySize;
         @KeyProperties.PurposeEnum int purposes;
         String[] encryptionPaddings;
+        String[] signaturePaddings;
         @KeyProperties.DigestEnum String[] digests;
         @KeyProperties.BlockModeEnum String[] blockModes;
         int keymasterSwEnforcedUserAuthenticators;
@@ -95,29 +99,40 @@
                 origin = KeyProperties.Origin.fromKeymaster(
                         keyCharacteristics.swEnforced.getInt(KeymasterDefs.KM_TAG_ORIGIN, -1));
             } else {
-                throw new InvalidKeySpecException("Key origin not available");
+                throw new ProviderException("Key origin not available");
             }
             Integer keySizeInteger = keyCharacteristics.getInteger(KeymasterDefs.KM_TAG_KEY_SIZE);
             if (keySizeInteger == null) {
-                throw new InvalidKeySpecException("Key size not available");
+                throw new ProviderException("Key size not available");
             }
             keySize = keySizeInteger;
             purposes = KeyProperties.Purpose.allFromKeymaster(
                     keyCharacteristics.getInts(KeymasterDefs.KM_TAG_PURPOSE));
 
             List<String> encryptionPaddingsList = new ArrayList<String>();
+            List<String> signaturePaddingsList = new ArrayList<String>();
+            // Keymaster stores both types of paddings in the same array -- we split it into two.
             for (int keymasterPadding : keyCharacteristics.getInts(KeymasterDefs.KM_TAG_PADDING)) {
-                @KeyProperties.EncryptionPaddingEnum String jcaPadding;
                 try {
-                    jcaPadding = KeyProperties.EncryptionPadding.fromKeymaster(keymasterPadding);
+                    @KeyProperties.EncryptionPaddingEnum String jcaPadding =
+                            KeyProperties.EncryptionPadding.fromKeymaster(keymasterPadding);
+                    encryptionPaddingsList.add(jcaPadding);
                 } catch (IllegalArgumentException e) {
-                    throw new InvalidKeySpecException(
-                            "Unsupported encryption padding: " + keymasterPadding);
+                    try {
+                        @KeyProperties.SignaturePaddingEnum String padding =
+                                KeyProperties.SignaturePadding.fromKeymaster(keymasterPadding);
+                        signaturePaddingsList.add(padding);
+                    } catch (IllegalArgumentException e2) {
+                        throw new ProviderException(
+                                "Unsupported encryption padding: " + keymasterPadding);
+                    }
                 }
-                encryptionPaddingsList.add(jcaPadding);
+
             }
             encryptionPaddings =
                     encryptionPaddingsList.toArray(new String[encryptionPaddingsList.size()]);
+            signaturePaddings =
+                    signaturePaddingsList.toArray(new String[signaturePaddingsList.size()]);
 
             digests = KeyProperties.Digest.allFromKeymaster(
                     keyCharacteristics.getInts(KeymasterDefs.KM_TAG_DIGEST));
@@ -128,7 +143,7 @@
             keymasterHwEnforcedUserAuthenticators =
                     keyCharacteristics.hwEnforced.getInt(KeymasterDefs.KM_TAG_USER_AUTH_TYPE, 0);
         } catch (IllegalArgumentException e) {
-            throw new InvalidKeySpecException("Unsupported key characteristic", e);
+            throw new ProviderException("Unsupported key characteristic", e);
         }
 
         Date keyValidityStart = keyCharacteristics.getDate(KeymasterDefs.KM_TAG_ACTIVE_DATETIME);
@@ -164,7 +179,7 @@
                 keyValidityForConsumptionEnd,
                 purposes,
                 encryptionPaddings,
-                EmptyArray.STRING, // no signature paddings -- this is symmetric crypto
+                signaturePaddings,
                 digests,
                 blockModes,
                 userAuthenticationRequired,
@@ -175,12 +190,14 @@
     @Override
     protected SecretKey engineGenerateSecret(KeySpec keySpec) throws InvalidKeySpecException {
         throw new UnsupportedOperationException(
-                "Key import into Android KeyStore is not supported");
+                "To generate secret key in Android KeyStore, use KeyGenerator initialized with "
+                        + KeyGenParameterSpec.class.getName());
     }
 
     @Override
     protected SecretKey engineTranslateKey(SecretKey key) throws InvalidKeyException {
         throw new UnsupportedOperationException(
-                "Key import into Android KeyStore is not supported");
+                "To import a secret key into Android KeyStore, use KeyStore.setEntry with "
+                + KeyProtection.class.getName());
     }
 }
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreSignatureSpiBase.java b/keystore/java/android/security/keystore/AndroidKeyStoreSignatureSpiBase.java
new file mode 100644
index 0000000..4c4062f
--- /dev/null
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreSignatureSpiBase.java
@@ -0,0 +1,409 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.security.keystore;
+
+import android.annotation.CallSuper;
+import android.annotation.NonNull;
+import android.os.IBinder;
+import android.security.KeyStore;
+import android.security.KeyStoreException;
+import android.security.keymaster.KeymasterArguments;
+import android.security.keymaster.KeymasterDefs;
+import android.security.keymaster.OperationResult;
+
+import com.android.org.conscrypt.util.EmptyArray;
+
+import java.nio.ByteBuffer;
+import java.security.InvalidKeyException;
+import java.security.InvalidParameterException;
+import java.security.PrivateKey;
+import java.security.ProviderException;
+import java.security.PublicKey;
+import java.security.SecureRandom;
+import java.security.SignatureException;
+import java.security.SignatureSpi;
+
+/**
+ * Base class for {@link SignatureSpi} implementations of Android KeyStore backed ciphers.
+ *
+ * @hide
+ */
+abstract class AndroidKeyStoreSignatureSpiBase extends SignatureSpi
+        implements KeyStoreCryptoOperation {
+    private final KeyStore mKeyStore;
+
+    // Fields below are populated by SignatureSpi.engineInitSign/engineInitVerify and KeyStore.begin
+    // and should be preserved after SignatureSpi.engineSign/engineVerify finishes.
+    private boolean mSigning;
+    private AndroidKeyStoreKey mKey;
+
+    /**
+     * Token referencing this operation inside keystore service. It is initialized by
+     * {@code engineInitSign}/{@code engineInitVerify} and is invalidated when
+     * {@code engineSign}/{@code engineVerify} succeeds and on some error conditions in between.
+     */
+    private IBinder mOperationToken;
+    private long mOperationHandle;
+    private KeyStoreCryptoOperationChunkedStreamer mMessageStreamer;
+
+    /**
+     * Encountered exception which could not be immediately thrown because it was encountered inside
+     * a method that does not throw checked exception. This exception will be thrown from
+     * {@code engineSign} or {@code engineVerify}. Once such an exception is encountered,
+     * {@code engineUpdate} starts ignoring input data.
+     */
+    private Exception mCachedException;
+
+    AndroidKeyStoreSignatureSpiBase() {
+        mKeyStore = KeyStore.getInstance();
+    }
+
+    @Override
+    protected final void engineInitSign(PrivateKey key) throws InvalidKeyException {
+        engineInitSign(key, null);
+    }
+
+    @Override
+    protected final void engineInitSign(PrivateKey privateKey, SecureRandom random)
+            throws InvalidKeyException {
+        resetAll();
+
+        boolean success = false;
+        try {
+            if (privateKey == null) {
+                throw new InvalidKeyException("Unsupported key: null");
+            }
+            AndroidKeyStoreKey keystoreKey;
+            if (privateKey instanceof AndroidKeyStorePrivateKey) {
+                keystoreKey = (AndroidKeyStoreKey) privateKey;
+            } else {
+                throw new InvalidKeyException("Unsupported private key type: " + privateKey);
+            }
+            mSigning = true;
+            initKey(keystoreKey);
+            appRandom = random;
+            ensureKeystoreOperationInitialized();
+            success = true;
+        } finally {
+            if (!success) {
+                resetAll();
+            }
+        }
+    }
+
+    @Override
+    protected final void engineInitVerify(PublicKey publicKey) throws InvalidKeyException {
+        resetAll();
+
+        boolean success = false;
+        try {
+            if (publicKey == null) {
+                throw new InvalidKeyException("Unsupported key: null");
+            }
+            AndroidKeyStoreKey keystoreKey;
+            if (publicKey instanceof AndroidKeyStorePublicKey) {
+                keystoreKey = (AndroidKeyStorePublicKey) publicKey;
+            } else {
+                throw new InvalidKeyException("Unsupported public key type: " + publicKey);
+            }
+            mSigning = false;
+            initKey(keystoreKey);
+            appRandom = null;
+            ensureKeystoreOperationInitialized();
+            success = true;
+        } finally {
+            if (!success) {
+                resetAll();
+            }
+        }
+    }
+
+    /**
+     * Configures this signature instance to use the provided key.
+     *
+     * @throws InvalidKeyException if the {@code key} is not suitable.
+     */
+    @CallSuper
+    protected void initKey(AndroidKeyStoreKey key) throws InvalidKeyException {
+        mKey = key;
+    }
+
+    /**
+     * Resets this cipher to its pristine pre-init state. This must be equivalent to obtaining a new
+     * cipher instance.
+     *
+     * <p>Subclasses storing additional state should override this method, reset the additional
+     * state, and then chain to superclass.
+     */
+    @CallSuper
+    protected void resetAll() {
+        IBinder operationToken = mOperationToken;
+        if (operationToken != null) {
+            mOperationToken = null;
+            mKeyStore.abort(operationToken);
+        }
+        mSigning = false;
+        mKey = null;
+        appRandom = null;
+        mOperationToken = null;
+        mOperationHandle = 0;
+        mMessageStreamer = null;
+        mCachedException = null;
+    }
+
+    /**
+     * Resets this cipher while preserving the initialized state. This must be equivalent to
+     * rolling back the cipher's state to just after the most recent {@code engineInit} completed
+     * successfully.
+     *
+     * <p>Subclasses storing additional post-init state should override this method, reset the
+     * additional state, and then chain to superclass.
+     */
+    @CallSuper
+    protected void resetWhilePreservingInitState() {
+        IBinder operationToken = mOperationToken;
+        if (operationToken != null) {
+            mOperationToken = null;
+            mKeyStore.abort(operationToken);
+        }
+        mOperationHandle = 0;
+        mMessageStreamer = null;
+        mCachedException = null;
+    }
+
+    private void ensureKeystoreOperationInitialized() throws InvalidKeyException {
+        if (mMessageStreamer != null) {
+            return;
+        }
+        if (mCachedException != null) {
+            return;
+        }
+        if (mKey == null) {
+            throw new IllegalStateException("Not initialized");
+        }
+
+        KeymasterArguments keymasterInputArgs = new KeymasterArguments();
+        addAlgorithmSpecificParametersToBegin(keymasterInputArgs);
+        byte[] additionalEntropy = KeyStoreCryptoOperationUtils.getRandomBytesToMixIntoKeystoreRng(
+                appRandom, getAdditionalEntropyAmountForBegin());
+
+        OperationResult opResult = mKeyStore.begin(
+                mKey.getAlias(),
+                mSigning ? KeymasterDefs.KM_PURPOSE_SIGN : KeymasterDefs.KM_PURPOSE_VERIFY,
+                true, // permit aborting this operation if keystore runs out of resources
+                keymasterInputArgs,
+                additionalEntropy);
+        if (opResult == null) {
+            throw new KeyStoreConnectException();
+        }
+
+        // Store operation token and handle regardless of the error code returned by KeyStore to
+        // ensure that the operation gets aborted immediately if the code below throws an exception.
+        mOperationToken = opResult.token;
+        mOperationHandle = opResult.operationHandle;
+
+        // If necessary, throw an exception due to KeyStore operation having failed.
+        InvalidKeyException e = KeyStoreCryptoOperationUtils.getInvalidKeyExceptionForInit(
+                mKeyStore, mKey, opResult.resultCode);
+        if (e != null) {
+            throw e;
+        }
+
+        if (mOperationToken == null) {
+            throw new ProviderException("Keystore returned null operation token");
+        }
+        if (mOperationHandle == 0) {
+            throw new ProviderException("Keystore returned invalid operation handle");
+        }
+
+        mMessageStreamer = new KeyStoreCryptoOperationChunkedStreamer(
+                new KeyStoreCryptoOperationChunkedStreamer.MainDataStream(
+                        mKeyStore, opResult.token));
+    }
+
+    @Override
+    public final long getOperationHandle() {
+        return mOperationHandle;
+    }
+
+    @Override
+    protected final void engineUpdate(byte[] b, int off, int len) throws SignatureException {
+        if (mCachedException != null) {
+            throw new SignatureException(mCachedException);
+        }
+
+        try {
+            ensureKeystoreOperationInitialized();
+        } catch (InvalidKeyException e) {
+            throw new SignatureException(e);
+        }
+
+        if (len == 0) {
+            return;
+        }
+
+        byte[] output;
+        try {
+            output = mMessageStreamer.update(b, off, len);
+        } catch (KeyStoreException e) {
+            throw new SignatureException(e);
+        }
+
+        if (output.length != 0) {
+            throw new ProviderException(
+                    "Update operation unexpectedly produced output: " + output.length + " bytes");
+        }
+    }
+
+    @Override
+    protected final void engineUpdate(byte b) throws SignatureException {
+        engineUpdate(new byte[] {b}, 0, 1);
+    }
+
+    @Override
+    protected final void engineUpdate(ByteBuffer input) {
+        byte[] b;
+        int off;
+        int len = input.remaining();
+        if (input.hasArray()) {
+            b = input.array();
+            off = input.arrayOffset() + input.position();
+            input.position(input.limit());
+        } else {
+            b = new byte[len];
+            off = 0;
+            input.get(b);
+        }
+
+        try {
+            engineUpdate(b, off, len);
+        } catch (SignatureException e) {
+            mCachedException = e;
+        }
+    }
+
+    @Override
+    protected final int engineSign(byte[] out, int outOffset, int outLen)
+            throws SignatureException {
+        return super.engineSign(out, outOffset, outLen);
+    }
+
+    @Override
+    protected final byte[] engineSign() throws SignatureException {
+        if (mCachedException != null) {
+            throw new SignatureException(mCachedException);
+        }
+
+        byte[] signature;
+        try {
+            ensureKeystoreOperationInitialized();
+            signature = mMessageStreamer.doFinal(EmptyArray.BYTE, 0, 0);
+        } catch (InvalidKeyException | KeyStoreException e) {
+            throw new SignatureException(e);
+        }
+
+        resetWhilePreservingInitState();
+        return signature;
+    }
+
+    @Override
+    protected final boolean engineVerify(byte[] signature) throws SignatureException {
+        if (mCachedException != null) {
+            throw new SignatureException(mCachedException);
+        }
+
+        boolean result;
+        try {
+            ensureKeystoreOperationInitialized();
+            mMessageStreamer.flush();
+            OperationResult opResult = mKeyStore.finish(mOperationToken, null, signature);
+            if (opResult == null) {
+                throw new KeyStoreConnectException();
+            }
+            switch (opResult.resultCode) {
+                case KeyStore.NO_ERROR:
+                    result = true;
+                    break;
+                case KeymasterDefs.KM_ERROR_VERIFICATION_FAILED:
+                    result = false;
+                    break;
+                default:
+                    throw new SignatureException(
+                            KeyStore.getKeyStoreException(opResult.resultCode));
+            }
+        } catch (InvalidKeyException | KeyStoreException e) {
+            throw new SignatureException(e);
+        }
+
+        resetWhilePreservingInitState();
+        return result;
+    }
+
+    @Override
+    protected final boolean engineVerify(byte[] sigBytes, int offset, int len)
+            throws SignatureException {
+        return engineVerify(ArrayUtils.subarray(sigBytes, offset, len));
+    }
+
+    @Deprecated
+    @Override
+    protected final Object engineGetParameter(String param) throws InvalidParameterException {
+        throw new InvalidParameterException();
+    }
+
+    @Deprecated
+    @Override
+    protected final void engineSetParameter(String param, Object value)
+            throws InvalidParameterException {
+        throw new InvalidParameterException();
+    }
+
+    protected final KeyStore getKeyStore() {
+        return mKeyStore;
+    }
+
+    /**
+     * Returns {@code true} if this signature is initialized for signing, {@code false} if this
+     * signature is initialized for verification.
+     */
+    protected final boolean isSigning() {
+        return mSigning;
+    }
+
+    // The methods below need to be implemented by subclasses.
+
+    /**
+     * Returns the amount of additional entropy (in bytes) to be provided to the KeyStore's
+     * {@code begin} operation.
+     *
+     * <p>For signature verification, this should be {@code 0} because verification should not be
+     * consuming any entropy. For signature generation, this value should match (or exceed) the
+     * amount of Shannon entropy of the produced signature assuming the key and the message are
+     * known. For example, for ECDSA signature this should be the size of {@code R}, whereas for the
+     * RSA signature with PKCS#1 padding this should be {@code 0}.
+     */
+    protected abstract int getAdditionalEntropyAmountForBegin();
+
+    /**
+     * Invoked to add algorithm-specific parameters for the KeyStore's {@code begin} operation.
+     *
+     * @param keymasterArgs keystore/keymaster arguments to be populated with algorithm-specific
+     *        parameters.
+     */
+    protected abstract void addAlgorithmSpecificParametersToBegin(
+            @NonNull KeymasterArguments keymasterArgs);
+}
diff --git a/keystore/java/android/security/keystore/AndroidKeyStoreSpi.java b/keystore/java/android/security/keystore/AndroidKeyStoreSpi.java
index 701bd67..05ddef6 100644
--- a/keystore/java/android/security/keystore/AndroidKeyStoreSpi.java
+++ b/keystore/java/android/security/keystore/AndroidKeyStoreSpi.java
@@ -674,12 +674,13 @@
 
     @Override
     public void engineDeleteEntry(String alias) throws KeyStoreException {
-        if (!isKeyEntry(alias) && !isCertificateEntry(alias)) {
+        if (!engineContainsAlias(alias)) {
             return;
         }
+        // At least one entry corresponding to this alias exists in keystore
 
         if (!Credentials.deleteAllTypesForAlias(mKeyStore, alias)) {
-            throw new KeyStoreException("No such entry " + alias);
+            throw new KeyStoreException("Failed to delete entry: " + alias);
         }
     }
 
@@ -849,9 +850,7 @@
             throw new KeyStoreException("entry == null");
         }
 
-        if (engineContainsAlias(alias)) {
-            engineDeleteEntry(alias);
-        }
+        Credentials.deleteAllTypesForAlias(mKeyStore, alias);
 
         if (entry instanceof KeyStore.TrustedCertificateEntry) {
             KeyStore.TrustedCertificateEntry trE = (KeyStore.TrustedCertificateEntry) entry;
diff --git a/libs/hwui/FrameInfo.h b/libs/hwui/FrameInfo.h
index 6815254..23339ce 100644
--- a/libs/hwui/FrameInfo.h
+++ b/libs/hwui/FrameInfo.h
@@ -116,16 +116,28 @@
         set(FrameInfoIndex::Flags) |= static_cast<uint64_t>(frameInfoFlag);
     }
 
-    int64_t operator[](FrameInfoIndex index) const {
+    inline int64_t operator[](FrameInfoIndex index) const {
         if (index == FrameInfoIndex::NumIndexes) return 0;
         return mFrameInfo[static_cast<int>(index)];
     }
 
-    int64_t operator[](int index) const {
+    inline int64_t operator[](int index) const {
         if (index < 0 || index >= static_cast<int>(FrameInfoIndex::NumIndexes)) return 0;
         return mFrameInfo[index];
     }
 
+    inline int64_t duration(FrameInfoIndex start, FrameInfoIndex end) const {
+        int64_t endtime = mFrameInfo[static_cast<int>(end)];
+        int64_t starttime = mFrameInfo[static_cast<int>(start)];
+        int64_t gap = endtime - starttime;
+        gap = starttime > 0 ? gap : 0;
+        return gap > 0 ? gap : 0;
+    }
+
+    inline int64_t totalDuration() const {
+        return duration(FrameInfoIndex::IntendedVsync, FrameInfoIndex::FrameCompleted);
+    }
+
 private:
     inline int64_t& set(FrameInfoIndex index) {
         return mFrameInfo[static_cast<int>(index)];
diff --git a/libs/hwui/FrameInfoVisualizer.cpp b/libs/hwui/FrameInfoVisualizer.cpp
index 9557cb0..5b81ac9 100644
--- a/libs/hwui/FrameInfoVisualizer.cpp
+++ b/libs/hwui/FrameInfoVisualizer.cpp
@@ -30,11 +30,13 @@
 // Must be NUM_ELEMENTS in size
 static const SkColor CURRENT_FRAME_COLOR = 0xcf5faa4d;
 static const SkColor THRESHOLD_COLOR = 0xff5faa4d;
-static const SkColor BAR_ALPHA = 0xCF000000;
+static const SkColor BAR_FAST_ALPHA = 0x8F000000;
+static const SkColor BAR_JANKY_ALPHA = 0xDF000000;
 
 // We could get this from TimeLord and use the actual frame interval, but
 // this is good enough
 #define FRAME_THRESHOLD 16
+#define FRAME_THRESHOLD_NS 16000000
 
 namespace android {
 namespace uirenderer {
@@ -45,12 +47,10 @@
     SkColor color;
 };
 
-static const std::array<BarSegment,9> Bar {{
-    { FrameInfoIndex::IntendedVsync, FrameInfoIndex::Vsync, 0x00695C },
-    { FrameInfoIndex::Vsync, FrameInfoIndex::HandleInputStart, 0x00796B },
-    { FrameInfoIndex::HandleInputStart, FrameInfoIndex::AnimationStart, 0x00897B },
-    { FrameInfoIndex::AnimationStart, FrameInfoIndex::PerformTraversalsStart, 0x009688 },
-    { FrameInfoIndex::PerformTraversalsStart, FrameInfoIndex::DrawStart, 0x26A69A},
+static const std::array<BarSegment,7> Bar {{
+    { FrameInfoIndex::IntendedVsync, FrameInfoIndex::HandleInputStart, 0x00796B },
+    { FrameInfoIndex::HandleInputStart, FrameInfoIndex::PerformTraversalsStart, 0x388E3C },
+    { FrameInfoIndex::PerformTraversalsStart, FrameInfoIndex::DrawStart, 0x689F38},
     { FrameInfoIndex::DrawStart, FrameInfoIndex::SyncStart, 0x2196F3},
     { FrameInfoIndex::SyncStart, FrameInfoIndex::IssueDrawCommandsStart, 0x4FC3F7},
     { FrameInfoIndex::IssueDrawCommandsStart, FrameInfoIndex::SwapBuffers, 0xF44336},
@@ -74,7 +74,6 @@
     if (CC_UNLIKELY(mDensity != density)) {
         mDensity = density;
         mVerticalUnit = dpToPx(PROFILE_DRAW_DP_PER_MS, density);
-        mHorizontalUnit = dpToPx(PROFILE_DRAW_WIDTH, density);
         mThresholdStroke = dpToPx(PROFILE_DRAW_THRESHOLD_STROKE_WIDTH, density);
     }
 }
@@ -103,73 +102,109 @@
     }
 
     if (mType == ProfileType::Bars) {
-        initializeRects(canvas->getViewportHeight());
+        // Patch up the current frame to pretend we ended here. CanvasContext
+        // will overwrite these values with the real ones after we return.
+        // This is a bit nicer looking than the vague green bar, as we have
+        // valid data for almost all the stages and a very good idea of what
+        // the issue stage will look like, too
+        FrameInfo& info = mFrameSource.back();
+        info.markSwapBuffers();
+        info.markFrameCompleted();
+
+        initializeRects(canvas->getViewportHeight(), canvas->getViewportWidth());
         drawGraph(canvas);
-        drawCurrentFrame(canvas->getViewportHeight(), canvas);
         drawThreshold(canvas);
     }
 }
 
 void FrameInfoVisualizer::createData() {
-    if (mRects.get()) return;
+    if (mFastRects.get()) return;
 
-    mRects.reset(new float[mFrameSource.capacity() * 4]);
+    mFastRects.reset(new float[mFrameSource.capacity() * 4]);
+    mJankyRects.reset(new float[mFrameSource.capacity() * 4]);
 }
 
 void FrameInfoVisualizer::destroyData() {
-    mRects.reset(nullptr);
+    mFastRects.reset(nullptr);
+    mJankyRects.reset(nullptr);
 }
 
-void FrameInfoVisualizer::initializeRects(const int baseline) {
-    float left = 0;
+void FrameInfoVisualizer::initializeRects(const int baseline, const int width) {
+    // Target the 95% mark for the current frame
+    float right = width * .95;
+    float baseLineWidth = right / mFrameSource.capacity();
+    mNumFastRects = 0;
+    mNumJankyRects = 0;
+    int fast_i = 0, janky_i = 0;
     // Set the bottom of all the shapes to the baseline
-    for (size_t i = 0; i < (mFrameSource.capacity() * 4); i += 4) {
+    for (int fi = mFrameSource.size() - 1; fi >= 0; fi--) {
+        if (mFrameSource[fi][FrameInfoIndex::Flags] & FrameInfoFlags::SkippedFrame) {
+            continue;
+        }
+        float lineWidth = baseLineWidth;
+        float* rect;
+        int ri;
         // Rects are LTRB
-        mRects[i + 0] = left;
-        mRects[i + 1] = baseline;
-        left += mHorizontalUnit;
-        mRects[i + 2] = left;
-        mRects[i + 3] = baseline;
+        if (mFrameSource[fi].totalDuration() <= FRAME_THRESHOLD_NS) {
+            rect = mFastRects.get();
+            ri = fast_i;
+            fast_i += 4;
+            mNumFastRects++;
+        } else {
+            rect = mJankyRects.get();
+            ri = janky_i;
+            janky_i += 4;
+            mNumJankyRects++;
+            lineWidth *= 2;
+        }
+
+        rect[ri + 0] = right - lineWidth;
+        rect[ri + 1] = baseline;
+        rect[ri + 2] = right;
+        rect[ri + 3] = baseline;
+        right -= lineWidth;
     }
 }
 
 void FrameInfoVisualizer::nextBarSegment(FrameInfoIndex start, FrameInfoIndex end) {
-    for (size_t fi = 0, ri = 0; fi < mFrameSource.size(); fi++, ri += 4) {
-        // TODO: Skipped frames will leave little holes in the graph, but this
-        // is better than bogus and freaky lines, so...
+    int fast_i = (mNumFastRects - 1) * 4;
+    int janky_i = (mNumJankyRects - 1) * 4;;
+    for (size_t fi = 0; fi < mFrameSource.size(); fi++) {
         if (mFrameSource[fi][FrameInfoIndex::Flags] & FrameInfoFlags::SkippedFrame) {
             continue;
         }
 
+        float* rect;
+        int ri;
+        // Rects are LTRB
+        if (mFrameSource[fi].totalDuration() <= FRAME_THRESHOLD_NS) {
+            rect = mFastRects.get();
+            ri = fast_i;
+            fast_i -= 4;
+        } else {
+            rect = mJankyRects.get();
+            ri = janky_i;
+            janky_i -= 4;
+        }
+
         // Set the bottom to the old top (build upwards)
-        mRects[ri + 3] = mRects[ri + 1];
+        rect[ri + 3] = rect[ri + 1];
         // Move the top up by the duration
-        mRects[ri + 1] -= mVerticalUnit * duration(fi, start, end);
+        rect[ri + 1] -= mVerticalUnit * duration(fi, start, end);
     }
 }
 
 void FrameInfoVisualizer::drawGraph(OpenGLRenderer* canvas) {
     SkPaint paint;
     for (size_t i = 0; i < Bar.size(); i++) {
-        paint.setColor(Bar[i].color | BAR_ALPHA);
         nextBarSegment(Bar[i].start, Bar[i].end);
-        canvas->drawRects(mRects.get(), (mFrameSource.size() - 1) * 4, &paint);
+        paint.setColor(Bar[i].color | BAR_FAST_ALPHA);
+        canvas->drawRects(mFastRects.get(), mNumFastRects * 4, &paint);
+        paint.setColor(Bar[i].color | BAR_JANKY_ALPHA);
+        canvas->drawRects(mJankyRects.get(), mNumJankyRects * 4, &paint);
     }
 }
 
-void FrameInfoVisualizer::drawCurrentFrame(const int baseline, OpenGLRenderer* canvas) {
-    // This draws a solid rect over the entirety of the current frame's shape
-    // To do so we use the bottom of mRects[0] and the top of mRects[NUM_ELEMENTS-1]
-    // which will therefore fully overlap the previously drawn rects
-    SkPaint paint;
-    paint.setColor(CURRENT_FRAME_COLOR);
-    size_t fi = mFrameSource.size() - 1;
-    size_t ri = fi * 4;
-    float top = baseline - (mVerticalUnit * duration(fi,
-            FrameInfoIndex::IntendedVsync, FrameInfoIndex::IssueDrawCommandsStart));
-    canvas->drawRect(mRects[ri], top, mRects[ri + 2], baseline, &paint);
-}
-
 void FrameInfoVisualizer::drawThreshold(OpenGLRenderer* canvas) {
     SkPaint paint;
     paint.setColor(THRESHOLD_COLOR);
diff --git a/libs/hwui/FrameInfoVisualizer.h b/libs/hwui/FrameInfoVisualizer.h
index 3fa4586..f1dc954 100644
--- a/libs/hwui/FrameInfoVisualizer.h
+++ b/libs/hwui/FrameInfoVisualizer.h
@@ -54,10 +54,9 @@
     void createData();
     void destroyData();
 
-    void initializeRects(const int baseline);
+    void initializeRects(const int baseline, const int width);
     void nextBarSegment(FrameInfoIndex start, FrameInfoIndex end);
     void drawGraph(OpenGLRenderer* canvas);
-    void drawCurrentFrame(const int baseline, OpenGLRenderer* canvas);
     void drawThreshold(OpenGLRenderer* canvas);
 
     inline float duration(size_t index, FrameInfoIndex start, FrameInfoIndex end) {
@@ -75,17 +74,12 @@
     FrameInfoSource& mFrameSource;
 
     int mVerticalUnit = 0;
-    int mHorizontalUnit = 0;
     int mThresholdStroke = 0;
 
-    /*
-     * mRects represents an array of rect shapes, divided into NUM_ELEMENTS
-     * groups such that each group is drawn with the same paint.
-     * For example mRects[0] is the array of rect floats suitable for
-     * OpenGLRenderer:drawRects() that makes up all the FrameTimingData:record
-     * information.
-     */
-    std::unique_ptr<float[]> mRects;
+    int mNumFastRects;
+    std::unique_ptr<float[]> mFastRects;
+    int mNumJankyRects;
+    std::unique_ptr<float[]> mJankyRects;
 
     bool mShowDirtyRegions = false;
     SkRect mDirtyRegion;
diff --git a/libs/hwui/utils/RingBuffer.h b/libs/hwui/utils/RingBuffer.h
index d822cb2..6895f07 100644
--- a/libs/hwui/utils/RingBuffer.h
+++ b/libs/hwui/utils/RingBuffer.h
@@ -43,11 +43,11 @@
     }
 
     T& front() {
-        return this[0];
+        return (*this)[0];
     }
 
     T& back() {
-        return this[size() - 1];
+        return (*this)[size() - 1];
     }
 
     T& operator[](size_t index) {
diff --git a/media/java/android/media/ClosedCaptionRenderer.java b/media/java/android/media/ClosedCaptionRenderer.java
index e3680e9..8403c1c 100644
--- a/media/java/android/media/ClosedCaptionRenderer.java
+++ b/media/java/android/media/ClosedCaptionRenderer.java
@@ -1044,42 +1044,26 @@
 }
 
 /**
+ * Mutable version of BackgroundSpan to facilitate text rendering with edge
+ * styles.
+ *
  * @hide
- *
- * MutableBackgroundColorSpan
- *
- * This is a mutable version of BackgroundSpan to facilitate text
- * rendering with edge styles.
- *
  */
-class MutableBackgroundColorSpan extends CharacterStyle
-        implements UpdateAppearance, ParcelableSpan {
+class MutableBackgroundColorSpan extends CharacterStyle implements UpdateAppearance {
     private int mColor;
 
     public MutableBackgroundColorSpan(int color) {
         mColor = color;
     }
-    public MutableBackgroundColorSpan(Parcel src) {
-        mColor = src.readInt();
-    }
+
     public void setBackgroundColor(int color) {
         mColor = color;
     }
+
     public int getBackgroundColor() {
         return mColor;
     }
-    @Override
-    public int getSpanTypeId() {
-        return TextUtils.BACKGROUND_COLOR_SPAN;
-    }
-    @Override
-    public int describeContents() {
-        return 0;
-    }
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        dest.writeInt(mColor);
-    }
+
     @Override
     public void updateDrawState(TextPaint ds) {
         ds.bgColor = mColor;
diff --git a/media/java/android/media/Ringtone.java b/media/java/android/media/Ringtone.java
index 8441541..166ff38 100644
--- a/media/java/android/media/Ringtone.java
+++ b/media/java/android/media/Ringtone.java
@@ -21,6 +21,7 @@
 import android.content.res.AssetFileDescriptor;
 import android.content.res.Resources.NotFoundException;
 import android.database.Cursor;
+import android.media.MediaPlayer.OnCompletionListener;
 import android.net.Uri;
 import android.os.Binder;
 import android.os.RemoteException;
@@ -29,6 +30,7 @@
 import android.util.Log;
 
 import java.io.IOException;
+import java.util.ArrayList;
 
 /**
  * Ringtone provides a quick method for playing a ringtone, notification, or
@@ -49,6 +51,9 @@
         MediaStore.Audio.Media.TITLE
     };
 
+    // keep references on active Ringtones until stopped or completion listener called.
+    private static final ArrayList<Ringtone> sActiveRingtones = new ArrayList<Ringtone>();
+
     private final Context mContext;
     private final AudioManager mAudioManager;
 
@@ -62,6 +67,7 @@
     private final Binder mRemoteToken;
 
     private MediaPlayer mLocalPlayer;
+    private final MyOnCompletionListener mCompletionListener = new MyOnCompletionListener();
 
     private Uri mUri;
     private String mTitle;
@@ -247,7 +253,7 @@
             // (typically because ringer mode is silent).
             if (mAudioManager.getStreamVolume(
                     AudioAttributes.toLegacyStreamType(mAudioAttributes)) != 0) {
-                mLocalPlayer.start();
+                startLocalPlayer();
             }
         } else if (mAllowRemote && (mRemotePlayer != null)) {
             final Uri canonicalUri = mUri.getCanonicalUri();
@@ -285,9 +291,23 @@
             mLocalPlayer.reset();
             mLocalPlayer.release();
             mLocalPlayer = null;
+            synchronized (sActiveRingtones) {
+                sActiveRingtones.remove(this);
+            }
         }
     }
 
+    private void startLocalPlayer() {
+        if (mLocalPlayer == null) {
+            return;
+        }
+        synchronized (sActiveRingtones) {
+            sActiveRingtones.add(this);
+        }
+        mLocalPlayer.setOnCompletionListener(mCompletionListener);
+        mLocalPlayer.start();
+    }
+
     /**
      * Whether this ringtone is currently playing.
      * 
@@ -330,7 +350,7 @@
                         }
                         mLocalPlayer.setAudioAttributes(mAudioAttributes);
                         mLocalPlayer.prepare();
-                        mLocalPlayer.start();
+                        startLocalPlayer();
                         afd.close();
                         return true;
                     } else {
@@ -352,4 +372,20 @@
     void setTitle(String title) {
         mTitle = title;
     }
+
+    @Override
+    protected void finalize() {
+        if (mLocalPlayer != null) {
+            mLocalPlayer.release();
+        }
+    }
+
+    class MyOnCompletionListener implements MediaPlayer.OnCompletionListener {
+        public void onCompletion(MediaPlayer mp)
+        {
+            synchronized (sActiveRingtones) {
+                sActiveRingtones.remove(Ringtone.this);
+            }
+        }
+    }
 }
diff --git a/media/java/android/media/tv/DvbDeviceInfo.java b/media/java/android/media/tv/DvbDeviceInfo.java
index 1885a34..e07f3a6 100644
--- a/media/java/android/media/tv/DvbDeviceInfo.java
+++ b/media/java/android/media/tv/DvbDeviceInfo.java
@@ -16,14 +16,10 @@
 
 package android.media.tv;
 
-import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.media.tv.TvInputManager;
 import android.util.Log;
 
-import java.lang.IllegalArgumentException;
-
 /**
  * Simple container for information about DVB device.
  * Not for third-party developers.
diff --git a/media/java/android/media/tv/ITvInputSessionWrapper.java b/media/java/android/media/tv/ITvInputSessionWrapper.java
index fed0ddf..5ad1bce 100644
--- a/media/java/android/media/tv/ITvInputSessionWrapper.java
+++ b/media/java/android/media/tv/ITvInputSessionWrapper.java
@@ -285,8 +285,7 @@
 
     @Override
     public void timeShiftSeekTo(long timeMs) {
-        mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_TIME_SHIFT_SEEK_TO,
-                Long.valueOf(timeMs)));
+        mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_TIME_SHIFT_SEEK_TO, timeMs));
     }
 
     @Override
@@ -298,7 +297,7 @@
     @Override
     public void timeShiftEnablePositionTracking(boolean enable) {
         mCaller.executeOrSendMessage(mCaller.obtainMessageO(
-                DO_TIME_SHIFT_ENABLE_POSITION_TRACKING, Boolean.valueOf(enable)));
+                DO_TIME_SHIFT_ENABLE_POSITION_TRACKING, enable));
     }
 
     private final class TvInputEventReceiver extends InputEventReceiver {
diff --git a/media/java/android/media/tv/TvContract.java b/media/java/android/media/tv/TvContract.java
index f5a6f2b..91b1a49 100644
--- a/media/java/android/media/tv/TvContract.java
+++ b/media/java/android/media/tv/TvContract.java
@@ -485,8 +485,7 @@
         /** The video resolution for ultra high-definition. */
         public static final String VIDEO_RESOLUTION_UHD = "VIDEO_RESOLUTION_UHD";
 
-        private static final Map<String, String> VIDEO_FORMAT_TO_RESOLUTION_MAP =
-                new HashMap<String, String>();
+        private static final Map<String, String> VIDEO_FORMAT_TO_RESOLUTION_MAP = new HashMap<>();
 
         static {
             VIDEO_FORMAT_TO_RESOLUTION_MAP.put(VIDEO_FORMAT_480I, VIDEO_RESOLUTION_SD);
@@ -1128,7 +1127,7 @@
             /** The genre for Tech/Science. */
             public static final String TECH_SCIENCE = "TECH_SCIENCE";
 
-            private static final ArraySet<String> CANONICAL_GENRES = new ArraySet<String>();
+            private static final ArraySet<String> CANONICAL_GENRES = new ArraySet<>();
             static {
                 CANONICAL_GENRES.add(FAMILY_KIDS);
                 CANONICAL_GENRES.add(SPORTS);
diff --git a/media/java/android/media/tv/TvInputInfo.java b/media/java/android/media/tv/TvInputInfo.java
index 46d33b4..4b1fa13 100644
--- a/media/java/android/media/tv/TvInputInfo.java
+++ b/media/java/android/media/tv/TvInputInfo.java
@@ -626,7 +626,7 @@
         public static Set<String> getHiddenTvInputIds(Context context, int userId) {
             String hiddenIdsString = Settings.Secure.getStringForUser(
                     context.getContentResolver(), Settings.Secure.TV_INPUT_HIDDEN_INPUTS, userId);
-            Set<String> set = new HashSet<String>();
+            Set<String> set = new HashSet<>();
             if (TextUtils.isEmpty(hiddenIdsString)) {
                 return set;
             }
@@ -648,7 +648,7 @@
         public static Map<String, String> getCustomLabels(Context context, int userId) {
             String labelsString = Settings.Secure.getStringForUser(
                     context.getContentResolver(), Settings.Secure.TV_INPUT_CUSTOM_LABELS, userId);
-            Map<String, String> map = new HashMap<String, String>();
+            Map<String, String> map = new HashMap<>();
             if (TextUtils.isEmpty(labelsString)) {
                 return map;
             }
diff --git a/media/java/android/media/tv/TvInputManager.java b/media/java/android/media/tv/TvInputManager.java
index 7fc19f1..01de898 100644
--- a/media/java/android/media/tv/TvInputManager.java
+++ b/media/java/android/media/tv/TvInputManager.java
@@ -221,16 +221,15 @@
     private final Object mLock = new Object();
 
     // @GuardedBy("mLock")
-    private final List<TvInputCallbackRecord> mCallbackRecords =
-            new LinkedList<TvInputCallbackRecord>();
+    private final List<TvInputCallbackRecord> mCallbackRecords = new LinkedList<>();
 
     // A mapping from TV input ID to the state of corresponding input.
     // @GuardedBy("mLock")
-    private final Map<String, Integer> mStateMap = new ArrayMap<String, Integer>();
+    private final Map<String, Integer> mStateMap = new ArrayMap<>();
 
     // A mapping from the sequence number of a session to its SessionCallbackRecord.
     private final SparseArray<SessionCallbackRecord> mSessionCallbackRecordMap =
-            new SparseArray<SessionCallbackRecord>();
+            new SparseArray<>();
 
     // A sequence number for the next session to be created. Should be protected by a lock
     // {@code mSessionCallbackRecordMap}.
@@ -238,8 +237,6 @@
 
     private final ITvInputClient mClient;
 
-    private final ITvInputManagerCallback mManagerCallback;
-
     private final int mUserId;
 
     /**
@@ -879,7 +876,7 @@
                 }
             }
         };
-        mManagerCallback = new ITvInputManagerCallback.Stub() {
+        ITvInputManagerCallback managerCallback = new ITvInputManagerCallback.Stub() {
             @Override
             public void onInputStateChanged(String inputId, int state) {
                 synchronized (mLock) {
@@ -921,7 +918,7 @@
         };
         try {
             if (mService != null) {
-                mService.registerCallback(mManagerCallback, mUserId);
+                mService.registerCallback(managerCallback, mUserId);
                 List<TvInputInfo> infos = mService.getTvInputList(mUserId);
                 synchronized (mLock) {
                     for (TvInputInfo info : infos) {
@@ -985,7 +982,7 @@
                 Log.w(TAG, "Unrecognized input ID: " + inputId);
                 return INPUT_STATE_DISCONNECTED;
             }
-            return state.intValue();
+            return state;
         }
     }
 
@@ -1076,7 +1073,7 @@
     @SystemApi
     public List<TvContentRating> getBlockedRatings() {
         try {
-            List<TvContentRating> ratings = new ArrayList<TvContentRating>();
+            List<TvContentRating> ratings = new ArrayList<>();
             for (String rating : mService.getBlockedRatings(mUserId)) {
                 ratings.add(TvContentRating.unflattenFromString(rating));
             }
@@ -1334,8 +1331,8 @@
         // protect pending input events and the input channel.
         private final InputEventHandler mHandler = new InputEventHandler(Looper.getMainLooper());
 
-        private final Pool<PendingEvent> mPendingEventPool = new SimplePool<PendingEvent>(20);
-        private final SparseArray<PendingEvent> mPendingEvents = new SparseArray<PendingEvent>(20);
+        private final Pool<PendingEvent> mPendingEventPool = new SimplePool<>(20);
+        private final SparseArray<PendingEvent> mPendingEvents = new SparseArray<>(20);
         private final SparseArray<SessionCallbackRecord> mSessionCallbackRecordMap;
 
         private IBinder mToken;
@@ -1344,11 +1341,11 @@
 
         private final Object mMetadataLock = new Object();
         // @GuardedBy("mMetadataLock")
-        private final List<TvTrackInfo> mAudioTracks = new ArrayList<TvTrackInfo>();
+        private final List<TvTrackInfo> mAudioTracks = new ArrayList<>();
         // @GuardedBy("mMetadataLock")
-        private final List<TvTrackInfo> mVideoTracks = new ArrayList<TvTrackInfo>();
+        private final List<TvTrackInfo> mVideoTracks = new ArrayList<>();
         // @GuardedBy("mMetadataLock")
-        private final List<TvTrackInfo> mSubtitleTracks = new ArrayList<TvTrackInfo>();
+        private final List<TvTrackInfo> mSubtitleTracks = new ArrayList<>();
         // @GuardedBy("mMetadataLock")
         private String mSelectedAudioTrackId;
         // @GuardedBy("mMetadataLock")
@@ -1589,17 +1586,17 @@
                     if (mAudioTracks == null) {
                         return null;
                     }
-                    return new ArrayList<TvTrackInfo>(mAudioTracks);
+                    return new ArrayList<>(mAudioTracks);
                 } else if (type == TvTrackInfo.TYPE_VIDEO) {
                     if (mVideoTracks == null) {
                         return null;
                     }
-                    return new ArrayList<TvTrackInfo>(mVideoTracks);
+                    return new ArrayList<>(mVideoTracks);
                 } else if (type == TvTrackInfo.TYPE_SUBTITLE) {
                     if (mSubtitleTracks == null) {
                         return null;
                     }
-                    return new ArrayList<TvTrackInfo>(mSubtitleTracks);
+                    return new ArrayList<>(mSubtitleTracks);
                 }
             }
             throw new IllegalArgumentException("invalid type: " + type);
diff --git a/media/java/android/media/tv/TvInputService.java b/media/java/android/media/tv/TvInputService.java
index 4b84090..50a215c 100644
--- a/media/java/android/media/tv/TvInputService.java
+++ b/media/java/android/media/tv/TvInputService.java
@@ -27,7 +27,6 @@
 import android.graphics.Rect;
 import android.hardware.hdmi.HdmiDeviceInfo;
 import android.media.PlaybackParams;
-import android.media.tv.TvInputService.HardwareSession;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -98,7 +97,7 @@
      */
     private final Handler mServiceHandler = new ServiceHandler();
     private final RemoteCallbackList<ITvInputServiceCallback> mCallbacks =
-            new RemoteCallbackList<ITvInputServiceCallback>();
+            new RemoteCallbackList<>();
 
     private TvInputManager mTvInputManager;
 
@@ -341,9 +340,13 @@
         }
 
         /**
-         * Notifies the channel of the session is retuned by TV input.
+         * Informs the application that the current channel is re-tuned for some reason and the
+         * session now displays the content from a new channel. This is used to handle special cases
+         * such as when the current channel becomes unavailable, it is necessary to send the user to
+         * a certain channel or the user changes channel in some other way (e.g. by using a
+         * dedicated remote).
          *
-         * @param channelUri The URI of a channel.
+         * @param channelUri The URI of the new channel.
          */
         public void notifyChannelRetuned(final Uri channelUri) {
             executeOrPostRunnable(new Runnable() {
@@ -374,7 +377,7 @@
          * @throws IllegalArgumentException if {@code tracks} contains redundant tracks.
          */
         public void notifyTracksChanged(final List<TvTrackInfo> tracks) {
-            Set<String> trackIdSet = new HashSet<String>();
+            Set<String> trackIdSet = new HashSet<>();
             for (TvTrackInfo track : tracks) {
                 String trackId = track.getId();
                 if (trackIdSet.contains(trackId)) {
@@ -933,6 +936,10 @@
          * Returns {@link TvInputManager#TIME_SHIFT_INVALID_TIME} if the position is unknown at the
          * moment.
          *
+         * <p>Note that the current playback position should be equal to or greater than the start
+         * 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
@@ -1396,6 +1403,12 @@
                     notifyTimeShiftStartPositionChanged(startPositionMs);
                 }
                 long currentPositionMs = onTimeShiftGetCurrentPosition();
+                if (currentPositionMs < mStartPositionMs) {
+                    Log.w(TAG, "Current position (" + currentPositionMs + ") cannot be earlier than"
+                            + " start position (" + mStartPositionMs + "). Reset to the start "
+                            + "position.");
+                    currentPositionMs = mStartPositionMs;
+                }
                 if (mCurrentPositionMs != currentPositionMs) {
                     mCurrentPositionMs = currentPositionMs;
                     notifyTimeShiftCurrentPositionChanged(currentPositionMs);
diff --git a/packages/DocumentsUI/res/color/item_root_icon.xml b/packages/DocumentsUI/res/color/item_root_icon.xml
index 1374e61..0aa2c13 100644
--- a/packages/DocumentsUI/res/color/item_root_icon.xml
+++ b/packages/DocumentsUI/res/color/item_root_icon.xml
@@ -15,7 +15,5 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_focused="true" android:state_activated="true" android:color="@*android:color/primary_text_default_material_dark" />
-    <item android:state_focused="false" android:state_activated="true" android:color="@*android:color/primary_text_default_material_dark" />
     <item android:color="@*android:color/secondary_text_material_light" />
 </selector>
diff --git a/packages/DocumentsUI/res/color/item_root_primary_text.xml b/packages/DocumentsUI/res/color/item_root_primary_text.xml
index 7e703fa..551245f 100644
--- a/packages/DocumentsUI/res/color/item_root_primary_text.xml
+++ b/packages/DocumentsUI/res/color/item_root_primary_text.xml
@@ -15,8 +15,8 @@
 -->
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_focused="true" android:state_activated="true" android:color="@*android:color/primary_text_default_material_dark" />
-    <item android:state_focused="false" android:state_activated="true" android:color="@*android:color/primary_text_default_material_dark" />
+    <item android:state_focused="true" android:state_activated="true" android:color="?android:colorAccent" />
+    <item android:state_focused="false" android:state_activated="true" android:color="?android:colorAccent" />
     <item android:state_enabled="false" android:alpha="@*android:dimen/disabled_alpha_material_light" android:color="@*android:color/primary_text_default_material_light" />
     <item android:color="@*android:color/primary_text_default_material_light" />
 </selector>
diff --git a/packages/DocumentsUI/res/drawable/item_root_background.xml b/packages/DocumentsUI/res/drawable/item_root_background.xml
index 1b3f44a..93c965f 100644
--- a/packages/DocumentsUI/res/drawable/item_root_background.xml
+++ b/packages/DocumentsUI/res/drawable/item_root_background.xml
@@ -16,10 +16,10 @@
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_focused="true" android:state_activated="true">
-        <color android:color="?android:attr/colorAccent" />
+        <color android:color="@color/material_grey_300" />
     </item>
     <item android:state_focused="false" android:state_activated="true">
-        <color android:color="?android:attr/colorAccent" />
+        <color android:color="@color/material_grey_300" />
     </item>
     <item android:drawable="@android:color/transparent" />
 </selector>
diff --git a/packages/PrintSpooler/res/values-zh-rCN/donottranslate.xml b/packages/PrintSpooler/res/values-zh-rCN/donottranslate.xml
deleted file mode 100644
index f069da3..0000000
--- a/packages/PrintSpooler/res/values-zh-rCN/donottranslate.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Copyright (C) 2013 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<resources xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <string name="mediasize_default">PRC_9</string>
-    <string name="mediasize_standard">@string/mediasize_standard_china</string>
-
-</resources>
diff --git a/packages/PrintSpooler/res/values/strings.xml b/packages/PrintSpooler/res/values/strings.xml
index 9d67ccc..a8451f5 100644
--- a/packages/PrintSpooler/res/values/strings.xml
+++ b/packages/PrintSpooler/res/values/strings.xml
@@ -41,7 +41,7 @@
     <string name="label_color">Color</string>
 
     <!-- Label of the duplex mode widget. [CHAR LIMIT=20] -->
-    <string name="label_duplex">Duplex</string>
+    <string name="label_duplex">Two-sided</string>
 
     <!-- Label of the orientation widget. [CHAR LIMIT=20] -->
     <string name="label_orientation">Orientation</string>
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java
index d3e7104..9a2f71c 100755
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/BluetoothEventManager.java
@@ -348,8 +348,12 @@
                 Log.e(TAG, "ACTION_PAIRING_CANCEL with no EXTRA_DEVICE");
                 return;
             }
-            int errorMsg = R.string.bluetooth_pairing_error_message;
             CachedBluetoothDevice cachedDevice = mDeviceManager.findDevice(device);
+            if (cachedDevice == null) {
+                Log.e(TAG, "ACTION_PAIRING_CANCEL with no cached device");
+                return;
+            }
+            int errorMsg = R.string.bluetooth_pairing_error_message;
             Utils.showError(context, cachedDevice.getName(), errorMsg);
         }
     }
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index fd0ba73..640fb29 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -25,6 +25,7 @@
     <!-- Standard permissions granted to the shell. -->
     <uses-permission android:name="android.permission.SEND_SMS" />
     <uses-permission android:name="android.permission.CALL_PHONE" />
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.READ_CONTACTS" />
     <uses-permission android:name="android.permission.WRITE_CONTACTS" />
     <uses-permission android:name="android.permission.READ_CALENDAR" />
@@ -97,6 +98,10 @@
     <uses-permission android:name="android.permission.CHANGE_APP_IDLE_STATE" />
     <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
     <uses-permission android:name="android.permission.MOUNT_FORMAT_FILESYSTEMS" />
+    <uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
+    <uses-permission android:name="android.permission.REGISTER_CALL_PROVIDER" />
+    <uses-permission android:name="android.permission.REGISTER_CONNECTION_MANAGER" />
+    <uses-permission android:name="android.permission.REGISTER_SIM_SUBSCRIPTION" />
 
     <application android:label="@string/app_label">
         <provider
diff --git a/packages/SystemUI/res/layout/recents_task_view.xml b/packages/SystemUI/res/layout/recents_task_view.xml
index 9c6f67c..2b82b05 100644
--- a/packages/SystemUI/res/layout/recents_task_view.xml
+++ b/packages/SystemUI/res/layout/recents_task_view.xml
@@ -27,7 +27,7 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent" />
         <include layout="@layout/recents_task_view_header" />
-        <FrameLayout
+        <com.android.systemui.statusbar.AlphaOptimizedFrameLayout
             android:id="@+id/lock_to_app_fab"
             android:layout_width="@dimen/recents_lock_to_app_size"
             android:layout_height="@dimen/recents_lock_to_app_size"
@@ -42,7 +42,7 @@
                 android:layout_height="@dimen/recents_lock_to_app_icon_size"
                 android:layout_gravity="center"
                 android:src="@drawable/recents_lock_to_app_pin" />
-        </FrameLayout>
+        </com.android.systemui.statusbar.AlphaOptimizedFrameLayout>
     </FrameLayout>
 </com.android.systemui.recents.views.TaskView>
 
diff --git a/packages/SystemUI/res/layout/recents_task_view_header.xml b/packages/SystemUI/res/layout/recents_task_view_header.xml
index 53047a3..477d9d7 100644
--- a/packages/SystemUI/res/layout/recents_task_view_header.xml
+++ b/packages/SystemUI/res/layout/recents_task_view_header.xml
@@ -21,6 +21,7 @@
     android:layout_gravity="top|center_horizontal">
     <com.android.systemui.recents.views.FixedSizeImageView
         android:id="@+id/application_icon"
+        android:contentDescription="@string/recents_app_info_button_label"
         android:layout_width="@dimen/recents_task_view_application_icon_size"
         android:layout_height="@dimen/recents_task_view_application_icon_size"
         android:layout_marginStart="8dp"
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 18a19cb..a6313ad 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -336,14 +336,11 @@
     <dimen name="keyguard_affordance_min_background_radius">30dp</dimen>
 
     <!-- The size of the touch targets on the keyguard for the affordances. -->
-    <dimen name="keyguard_affordance_touch_target_size">96dp</dimen>
+    <dimen name="keyguard_affordance_touch_target_size">120dp</dimen>
 
     <!-- The grow amount for the camera and phone circles when hinting -->
     <dimen name="hint_grow_amount_sideways">60dp</dimen>
 
-    <!-- The chevron padding to the circle when hinting -->
-    <dimen name="hint_chevron_circle_padding">16dp</dimen>
-
     <!-- Distance between notifications and header when they are considered to be colliding. -->
     <dimen name="header_notifications_collide_distance">48dp</dimen>
 
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 834d5dd..61ae9b9 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -644,7 +644,7 @@
     <!-- QuickSettings: Wifi (Off) [CHAR LIMIT=NONE] -->
     <string name="quick_settings_wifi_off_label">Wi-Fi Off</string>
     <!-- QuickSettings: Wifi detail panel, text when there are no items [CHAR LIMIT=NONE] -->
-    <string name="quick_settings_wifi_detail_empty_text">No saved networks available</string>
+    <string name="quick_settings_wifi_detail_empty_text">No Wi-Fi networks available</string>
     <!-- QuickSettings: Cast title [CHAR LIMIT=NONE] -->
     <string name="quick_settings_cast_title">Cast</string>
     <!-- QuickSettings: Cast detail panel, status text when casting [CHAR LIMIT=NONE] -->
diff --git a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
index 08659e9..79af706 100644
--- a/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
+++ b/packages/SystemUI/src/com/android/systemui/assist/AssistManager.java
@@ -20,6 +20,7 @@
 import android.provider.Settings;
 import android.util.Log;
 import android.view.Gravity;
+import android.view.HapticFeedbackConstants;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -296,13 +297,7 @@
     }
 
     private void vibrate() {
-        if (Settings.System.getIntForUser(mContext.getContentResolver(),
-                Settings.System.HAPTIC_FEEDBACK_ENABLED, 1, UserHandle.USER_CURRENT) != 0) {
-            Resources res = mContext.getResources();
-            Vibrator vibrator = (Vibrator) mContext.getSystemService(Context.VIBRATOR_SERVICE);
-            vibrator.vibrate(res.getInteger(R.integer.config_search_panel_view_vibration_duration),
-                    VIBRATION_ATTRIBUTES);
-        }
+        mView.performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
     }
 
     public boolean isAssistantIntentAvailable() {
diff --git a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
index 0dcc0b9..86910fe 100644
--- a/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
+++ b/packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java
@@ -658,7 +658,7 @@
                 mPendingLock = true;
             }
 
-            if (mPendingLock || mPendingReset) {
+            if (mPendingLock) {
                 playSounds(true);
             }
         }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
index 0369ab5..5d74604 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
@@ -74,7 +74,11 @@
         state.visible = mFlashlightController.isAvailable();
         state.label = mHost.getContext().getString(R.string.quick_settings_flashlight_label);
         if (arg instanceof UserBoolean) {
-            state.value = ((UserBoolean) arg).value;
+            boolean value = ((UserBoolean) arg).value;
+            if (value == state.value) {
+                return;
+            }
+            state.value = value;
         }
         final AnimationIcon icon = state.value ? mEnable : mDisable;
         icon.setAllowAnimation(arg instanceof UserBoolean && ((UserBoolean) arg).userInitiated);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/Recents.java b/packages/SystemUI/src/com/android/systemui/recents/Recents.java
index bbd3e60..7d2b5c87 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/Recents.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/Recents.java
@@ -32,6 +32,7 @@
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Rect;
+import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.SystemClock;
 import android.os.UserHandle;
@@ -40,6 +41,7 @@
 import android.view.Display;
 import android.view.LayoutInflater;
 import android.view.View;
+
 import com.android.systemui.R;
 import com.android.systemui.RecentsComponent;
 import com.android.systemui.SystemUI;
@@ -184,12 +186,16 @@
 
     // Header (for transition)
     TaskViewHeader mHeaderBar;
+    final Object mHeaderBarLock = new Object();
     TaskStackView mDummyStackView;
 
     // Variables to keep track of if we need to start recents after binding
     boolean mTriggeredFromAltTab;
     long mLastToggleTime;
 
+    Bitmap mThumbnailTransitionBitmapCache;
+    Task mThumbnailTransitionBitmapCacheKey;
+
     public Recents() {
     }
 
@@ -360,13 +366,16 @@
     void preloadRecentsInternal() {
         // Preload only the raw task list into a new load plan (which will be consumed by the
         // RecentsActivity)
+        ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask();
+        MutableBoolean topTaskHome = new MutableBoolean(true);
         RecentsTaskLoader loader = RecentsTaskLoader.getInstance();
         sInstanceLoadPlan = loader.createLoadPlan(mContext);
-
-        ActivityManager.RunningTaskInfo topTask = mSystemServicesProxy.getTopMostTask();
-        MutableBoolean isTopTaskHome = new MutableBoolean(true);
-        if (topTask != null && mSystemServicesProxy.isRecentsTopMost(topTask, isTopTaskHome)) {
-            sInstanceLoadPlan.preloadRawTasks(isTopTaskHome.value);
+        if (topTask != null && !mSystemServicesProxy.isRecentsTopMost(topTask, topTaskHome)) {
+            sInstanceLoadPlan.preloadRawTasks(topTaskHome.value);
+            loader.preloadTasks(sInstanceLoadPlan, topTaskHome.value);
+            TaskStack top = sInstanceLoadPlan.getAllTaskStacks().get(0);
+            preCacheThumbnailTransitionBitmapAsync(topTask, top, mDummyStackView,
+                    topTaskHome.value);
         }
     }
 
@@ -513,12 +522,14 @@
         algo.computeRects(mWindowRect.width(), mWindowRect.height(), taskStackBounds);
         Rect taskViewSize = algo.getUntransformedTaskViewSize();
         int taskBarHeight = res.getDimensionPixelSize(R.dimen.recents_task_bar_height);
-        mHeaderBar = (TaskViewHeader) mInflater.inflate(R.layout.recents_task_view_header, null,
-                false);
-        mHeaderBar.measure(
-                View.MeasureSpec.makeMeasureSpec(taskViewSize.width(), View.MeasureSpec.EXACTLY),
-                View.MeasureSpec.makeMeasureSpec(taskBarHeight, View.MeasureSpec.EXACTLY));
-        mHeaderBar.layout(0, 0, taskViewSize.width(), taskBarHeight);
+        synchronized (mHeaderBarLock) {
+            mHeaderBar = (TaskViewHeader) mInflater.inflate(R.layout.recents_task_view_header, null,
+                    false);
+            mHeaderBar.measure(
+                    View.MeasureSpec.makeMeasureSpec(taskViewSize.width(), View.MeasureSpec.EXACTLY),
+                    View.MeasureSpec.makeMeasureSpec(taskBarHeight, View.MeasureSpec.EXACTLY));
+            mHeaderBar.layout(0, 0, taskViewSize.width(), taskBarHeight);
+        }
     }
 
     /** Prepares the search bar app widget */
@@ -607,30 +618,27 @@
      */
     ActivityOptions getThumbnailTransitionActivityOptions(ActivityManager.RunningTaskInfo topTask,
             TaskStack stack, TaskStackView stackView) {
+
         // Update the destination rect
         Task toTask = new Task();
         TaskViewTransform toTransform = getThumbnailTransitionTransform(stack, stackView,
                 topTask.id, toTask);
-        if (toTransform != null && toTask.key != null) {
-            Rect toTaskRect = toTransform.rect;
-            int toHeaderWidth = (int) (mHeaderBar.getMeasuredWidth() * toTransform.scale);
-            int toHeaderHeight = (int) (mHeaderBar.getMeasuredHeight() * toTransform.scale);
-            Bitmap thumbnail = Bitmap.createBitmap(toHeaderWidth, toHeaderHeight,
-                    Bitmap.Config.ARGB_8888);
-            if (Constants.DebugFlags.App.EnableTransitionThumbnailDebugMode) {
-                thumbnail.eraseColor(0xFFff0000);
-            } else {
-                Canvas c = new Canvas(thumbnail);
-                c.scale(toTransform.scale, toTransform.scale);
-                mHeaderBar.rebindToTask(toTask);
-                mHeaderBar.draw(c);
-                c.setBitmap(null);
-            }
-            Bitmap thumbnailImmutable = thumbnail.createAshmemBitmap();
-
+        Rect toTaskRect = toTransform.rect;
+        Bitmap thumbnail;
+        if (mThumbnailTransitionBitmapCacheKey != null
+                && mThumbnailTransitionBitmapCacheKey.key != null
+                && mThumbnailTransitionBitmapCacheKey.key.equals(toTask.key)) {
+            thumbnail = mThumbnailTransitionBitmapCache;
+            mThumbnailTransitionBitmapCacheKey = null;
+            mThumbnailTransitionBitmapCache = null;
+        } else {
+            preloadIcon(topTask);
+            thumbnail = drawThumbnailTransitionBitmap(toTask, toTransform);
+        }
+        if (thumbnail != null) {
             mStartAnimationTriggered = false;
             return ActivityOptions.makeThumbnailAspectScaleDownAnimation(mDummyStackView,
-                    thumbnailImmutable, toTaskRect.left, toTaskRect.top, toTaskRect.width(),
+                    thumbnail, toTaskRect.left, toTaskRect.top, toTaskRect.width(),
                     toTaskRect.height(), mHandler, this);
         }
 
@@ -638,6 +646,72 @@
         return getUnknownTransitionActivityOptions();
     }
 
+    /**
+     * Preloads the icon of a task.
+     */
+    void preloadIcon(ActivityManager.RunningTaskInfo task) {
+
+        // Ensure that we load the running task's icon
+        RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options();
+        launchOpts.runningTaskId = task.id;
+        launchOpts.loadThumbnails = false;
+        launchOpts.onlyLoadForCache = true;
+        RecentsTaskLoader.getInstance().loadTasks(mContext, sInstanceLoadPlan, launchOpts);
+    }
+
+    /**
+     * Caches the header thumbnail used for a window animation asynchronously into
+     * {@link #mThumbnailTransitionBitmapCache}.
+     */
+    void preCacheThumbnailTransitionBitmapAsync(ActivityManager.RunningTaskInfo topTask,
+            TaskStack stack, TaskStackView stackView, boolean isTopTaskHome) {
+        preloadIcon(topTask);
+
+        // Update the destination rect
+        mDummyStackView.updateMinMaxScrollForStack(stack, mTriggeredFromAltTab, isTopTaskHome);
+        final Task toTask = new Task();
+        final TaskViewTransform toTransform = getThumbnailTransitionTransform(stack, stackView,
+                topTask.id, toTask);
+        new AsyncTask<Void, Void, Bitmap>() {
+            @Override
+            protected Bitmap doInBackground(Void... params) {
+                return drawThumbnailTransitionBitmap(toTask, toTransform);
+            }
+
+            @Override
+            protected void onPostExecute(Bitmap bitmap) {
+                mThumbnailTransitionBitmapCache = bitmap;
+                mThumbnailTransitionBitmapCacheKey = toTask;
+            }
+        }.execute();
+    }
+
+    /**
+     * Draws the header of a task used for the window animation into a bitmap.
+     */
+    Bitmap drawThumbnailTransitionBitmap(Task toTask, TaskViewTransform toTransform) {
+        if (toTransform != null && toTask.key != null) {
+            Bitmap thumbnail;
+            synchronized (mHeaderBarLock) {
+                int toHeaderWidth = (int) (mHeaderBar.getMeasuredWidth() * toTransform.scale);
+                int toHeaderHeight = (int) (mHeaderBar.getMeasuredHeight() * toTransform.scale);
+                thumbnail = Bitmap.createBitmap(toHeaderWidth, toHeaderHeight,
+                        Bitmap.Config.ARGB_8888);
+                if (Constants.DebugFlags.App.EnableTransitionThumbnailDebugMode) {
+                    thumbnail.eraseColor(0xFFff0000);
+                } else {
+                    Canvas c = new Canvas(thumbnail);
+                    c.scale(toTransform.scale, toTransform.scale);
+                    mHeaderBar.rebindToTask(toTask);
+                    mHeaderBar.draw(c);
+                    c.setBitmap(null);
+                }
+            }
+            return thumbnail.createAshmemBitmap();
+        }
+        return null;
+    }
+
     /** Returns the transition rect for the given task id. */
     TaskViewTransform getThumbnailTransitionTransform(TaskStack stack, TaskStackView stackView,
             int runningTaskId, Task runningTaskOut) {
@@ -694,7 +768,9 @@
             return;
         }
 
-        loader.preloadTasks(sInstanceLoadPlan, isTopTaskHome);
+        if (!sInstanceLoadPlan.hasTasks()) {
+            loader.preloadTasks(sInstanceLoadPlan, isTopTaskHome);
+        }
         ArrayList<TaskStack> stacks = sInstanceLoadPlan.getAllTaskStacks();
         TaskStack stack = stacks.get(0);
 
@@ -706,12 +782,6 @@
         boolean useThumbnailTransition = (topTask != null) && !isTopTaskHome && hasRecentTasks;
 
         if (useThumbnailTransition) {
-            // Ensure that we load the running task's icon
-            RecentsTaskLoadPlan.Options launchOpts = new RecentsTaskLoadPlan.Options();
-            launchOpts.runningTaskId = topTask.id;
-            launchOpts.loadThumbnails = false;
-            launchOpts.onlyLoadForCache = true;
-            loader.loadTasks(mContext, sInstanceLoadPlan, launchOpts);
 
             // Try starting with a thumbnail transition
             ActivityOptions opts = getThumbnailTransitionActivityOptions(topTask, stack,
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index ad97f91..3885799 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -81,6 +81,9 @@
     // Runnables to finish the Recents activity
     FinishRecentsRunnable mFinishLaunchHomeRunnable;
 
+    // Runnable to be executed after we paused ourselves
+    Runnable mAfterPauseRunnable;
+
     /**
      * A common Runnable to finish Recents either by calling finish() (with a custom animation) or
      * launching Home with some ActivityOptions.  Generally we always launch home when we exit
@@ -441,6 +444,19 @@
         if (mConfig.launchedHasConfigurationChanged) {
             onEnterAnimationTriggered();
         }
+
+        if (!mConfig.launchedHasConfigurationChanged) {
+            mRecentsView.disableLayersForOneFrame();
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        if (mAfterPauseRunnable != null) {
+            mRecentsView.post(mAfterPauseRunnable);
+            mAfterPauseRunnable = null;
+        }
     }
 
     @Override
@@ -624,6 +640,11 @@
         Recents.startScreenPinning(this, ssp);
     }
 
+    @Override
+    public void runAfterPause(Runnable r) {
+        mAfterPauseRunnable = r;
+    }
+
     /**** RecentsAppWidgetHost.RecentsAppWidgetHostCallbacks Implementation ****/
 
     @Override
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 4b5c0bd..3f5d0a8 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeImageView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/FixedSizeImageView.java
@@ -73,4 +73,9 @@
         mAllowRelayout = true;
         mAllowInvalidate = true;
     }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index cec613c..fa97a86 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -24,14 +24,19 @@
 import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.net.Uri;
+import android.os.Bundle;
+import android.os.IRemoteCallback;
+import android.os.RemoteException;
 import android.os.UserHandle;
 import android.provider.Settings;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewStub;
 import android.view.WindowInsets;
+import android.view.WindowManagerGlobal;
 import android.widget.FrameLayout;
+
 import com.android.systemui.R;
 import com.android.systemui.recents.Constants;
 import com.android.systemui.recents.RecentsAppWidgetHostView;
@@ -52,6 +57,8 @@
 public class RecentsView extends FrameLayout implements TaskStackView.TaskStackViewCallbacks,
         RecentsPackageMonitor.PackageCallbacks {
 
+    private static final String TAG = "RecentsView";
+
     /** The RecentsView callbacks */
     public interface RecentsViewCallbacks {
         public void onTaskViewClicked();
@@ -59,8 +66,8 @@
         public void onAllTaskViewsDismissed();
         public void onExitToHomeAnimationTriggered();
         public void onScreenPinningRequest();
-
         public void onTaskResize(Task t);
+        public void runAfterPause(Runnable r);
     }
 
     RecentsConfiguration mConfig;
@@ -431,11 +438,75 @@
         return false;
     }
 
+    public void disableLayersForOneFrame() {
+        List<TaskStackView> stackViews = getTaskStackViews();
+        for (int i = 0; i < stackViews.size(); i++) {
+            stackViews.get(i).disableLayersForOneFrame();
+        }
+    }
+
+    private void postDrawHeaderThumbnailTransitionRunnable(final TaskView tv, final int offsetX,
+            final int offsetY, final TaskViewTransform transform,
+            final ActivityOptions.OnAnimationStartedListener animStartedListener) {
+        Runnable r = new Runnable() {
+            @Override
+            public void run() {
+                // Disable any focused state before we draw the header
+                if (tv.isFocusedTask()) {
+                    tv.unsetFocusedTask();
+                }
+
+                float scale = tv.getScaleX();
+                int fromHeaderWidth = (int) (tv.mHeaderView.getMeasuredWidth() * scale);
+                int fromHeaderHeight = (int) (tv.mHeaderView.getMeasuredHeight() * scale);
+
+                Bitmap b = Bitmap.createBitmap(fromHeaderWidth, fromHeaderHeight,
+                        Bitmap.Config.ARGB_8888);
+                if (Constants.DebugFlags.App.EnableTransitionThumbnailDebugMode) {
+                    b.eraseColor(0xFFff0000);
+                } else {
+                    Canvas c = new Canvas(b);
+                    c.scale(tv.getScaleX(), tv.getScaleY());
+                    tv.mHeaderView.draw(c);
+                    c.setBitmap(null);
+                }
+                b = b.createAshmemBitmap();
+                int[] pts = new int[2];
+                tv.getLocationOnScreen(pts);
+                try {
+                    WindowManagerGlobal.getWindowManagerService()
+                            .overridePendingAppTransitionAspectScaledThumb(b,
+                                    pts[0] + offsetX,
+                                    pts[1] + offsetY,
+                                    transform.rect.width(),
+                                    transform.rect.height(),
+                                    new IRemoteCallback.Stub() {
+                                        @Override
+                                        public void sendResult(Bundle data)
+                                                throws RemoteException {
+                                            post(new Runnable() {
+                                                @Override
+                                                public void run() {
+                                                    if (animStartedListener != null) {
+                                                        animStartedListener.onAnimationStarted();
+                                                    }
+                                                }
+                                            });
+                                        }
+                                    }, true);
+                } catch (RemoteException e) {
+                    Log.w(TAG, "Error overriding app transition", e);
+                }
+            }
+        };
+        mCb.runAfterPause(r);
+    }
     /**** TaskStackView.TaskStackCallbacks Implementation ****/
 
     @Override
     public void onTaskViewClicked(final TaskStackView stackView, final TaskView tv,
                                   final TaskStack stack, final Task task, final boolean lockToTask) {
+
         // Notify any callbacks of the launching of a new task
         if (mCb != null) {
             mCb.onTaskViewClicked();
@@ -466,31 +537,6 @@
         ActivityOptions opts = null;
         if (task.thumbnail != null && task.thumbnail.getWidth() > 0 &&
                 task.thumbnail.getHeight() > 0) {
-            Bitmap b;
-            if (tv != null) {
-                // Disable any focused state before we draw the header
-                if (tv.isFocusedTask()) {
-                    tv.unsetFocusedTask();
-                }
-
-                float scale = tv.getScaleX();
-                int fromHeaderWidth = (int) (tv.mHeaderView.getMeasuredWidth() * scale);
-                int fromHeaderHeight = (int) (tv.mHeaderView.getMeasuredHeight() * scale);
-                b = Bitmap.createBitmap(fromHeaderWidth, fromHeaderHeight,
-                        Bitmap.Config.ARGB_8888);
-                if (Constants.DebugFlags.App.EnableTransitionThumbnailDebugMode) {
-                    b.eraseColor(0xFFff0000);
-                } else {
-                    Canvas c = new Canvas(b);
-                    c.scale(tv.getScaleX(), tv.getScaleY());
-                    tv.mHeaderView.draw(c);
-                    c.setBitmap(null);
-                }
-            } else {
-                // Notify the system to skip the thumbnail layer by using an ALPHA_8 bitmap
-                b = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);
-            }
-            Bitmap bImmut = b.createAshmemBitmap();
             ActivityOptions.OnAnimationStartedListener animStartedListener = null;
             if (lockToTask) {
                 animStartedListener = new ActivityOptions.OnAnimationStartedListener() {
@@ -509,6 +555,10 @@
                     }
                 };
             }
+            if (tv != null) {
+                postDrawHeaderThumbnailTransitionRunnable(tv, offsetX, offsetY, transform,
+                        animStartedListener);
+            }
             if (mConfig.multiStackEnabled) {
                 opts = ActivityOptions.makeCustomAnimation(sourceView.getContext(),
                         R.anim.recents_from_unknown_enter,
@@ -516,7 +566,8 @@
                         sourceView.getHandler(), animStartedListener);
             } else {
                 opts = ActivityOptions.makeThumbnailAspectScaleUpAnimation(sourceView,
-                        bImmut, offsetX, offsetY, transform.rect.width(), transform.rect.height(),
+                        Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8).createAshmemBitmap(),
+                        offsetX, offsetY, transform.rect.width(), transform.rect.height(),
                         sourceView.getHandler(), animStartedListener);
             }
         }
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 5f151e8..5711cd6 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -19,6 +19,7 @@
 import android.animation.ValueAnimator;
 import android.content.ComponentName;
 import android.content.Context;
+import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.Rect;
 import android.view.LayoutInflater;
@@ -63,7 +64,6 @@
 
         public void onTaskResize(Task t);
     }
-
     RecentsConfiguration mConfig;
 
     TaskStack mStack;
@@ -81,7 +81,6 @@
     boolean mDismissAllButtonAnimating;
     int mFocusedTaskIndex = -1;
     int mPrevAccessibilityFocusedIndex = -1;
-
     // Optimizations
     int mStackViewsAnimationDuration;
     boolean mStackViewsDirty = true;
@@ -99,6 +98,7 @@
     ArrayList<TaskView> mTaskViews = new ArrayList<TaskView>();
     List<TaskView> mImmutableTaskViews = new ArrayList<TaskView>();
     LayoutInflater mInflater;
+    boolean mLayersDisabled;
 
     // A convenience update listener to request updating clipping of tasks
     ValueAnimator.AnimatorUpdateListener mRequestUpdateClippingListener =
@@ -375,7 +375,9 @@
 
                 if (tv == null) {
                     tv = mViewPool.pickUpViewFromPool(task, task);
-
+                    if (mLayersDisabled) {
+                        tv.disableLayersForOneFrame();
+                    }
                     if (mStackViewsAnimationDuration > 0) {
                         // For items in the list, put them in start animating them from the
                         // approriate ends of the list where they are expected to appear
@@ -1031,6 +1033,20 @@
         mUIDozeTrigger.poke();
     }
 
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
+        mLayersDisabled = false;
+        super.dispatchDraw(canvas);
+    }
+
+    public void disableLayersForOneFrame() {
+        mLayersDisabled = true;
+        List<TaskView> taskViews = getTaskViews();
+        for (int i = 0; i < taskViews.size(); i++) {
+            taskViews.get(i).disableLayersForOneFrame();
+        }
+    }
+
     /**** TaskStackCallbacks Implementation ****/
 
     @Override
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 01ed08a..5906ef1 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
@@ -22,6 +22,7 @@
 import android.content.Context;
 import android.graphics.*;
 import android.util.AttributeSet;
+import android.view.accessibility.AccessibilityManager;
 import android.view.View;
 import android.view.ViewOutlineProvider;
 import android.view.animation.AccelerateInterpolator;
@@ -366,7 +367,6 @@
                 .setStartDelay(delay)
                 .setDuration(duration)
                 .setInterpolator(PhoneStatusBar.ALPHA_IN)
-                .withLayer()
                 .start();
     }
 
@@ -415,7 +415,6 @@
                     .setStartDelay(0)
                     .setDuration(mConfig.taskViewExitToAppDuration)
                     .setInterpolator(mConfig.fastOutLinearInInterpolator)
-                    .withLayer()
                     .start();
         } else {
             // Hide the dismiss button
@@ -650,6 +649,10 @@
         }
     }
 
+    public void disableLayersForOneFrame() {
+        mHeaderView.disableLayersForOneFrame();
+    }
+
     /**** TaskCallbacks Implementation ****/
 
     /** Binds this task view to the task */
@@ -672,7 +675,11 @@
             mThumbnailView.rebindToTask(mTask);
             mHeaderView.rebindToTask(mTask);
             // Rebind any listeners
-            mHeaderView.mApplicationIcon.setOnClickListener(this);
+            AccessibilityManager am = (AccessibilityManager) getContext().
+                    getSystemService(Context.ACCESSIBILITY_SERVICE);
+            if (Constants.DebugFlags.App.EnableTaskFiltering || (am != null && am.isEnabled())) {
+                mHeaderView.mApplicationIcon.setOnClickListener(this);
+            }
             mHeaderView.mDismissButton.setOnClickListener(this);
             if (mConfig.multiStackEnabled) {
                 mHeaderView.mMoveTaskButton.setOnClickListener(this);
@@ -718,9 +725,19 @@
             postDelayed(new Runnable() {
                 @Override
                 public void run() {
-                    if (Constants.DebugFlags.App.EnableTaskFiltering && v == mHeaderView.mApplicationIcon) {
-                        if (mCb != null) {
-                            mCb.onTaskViewAppIconClicked(tv);
+                    if (v == mHeaderView.mApplicationIcon) {
+                        if (Constants.DebugFlags.App.EnableTaskFiltering) {
+                            if (mCb != null) {
+                                mCb.onTaskViewAppIconClicked(tv);
+                            }
+                        } else {
+                            AccessibilityManager am = (AccessibilityManager) getContext().
+                                    getSystemService(Context.ACCESSIBILITY_SERVICE);
+                            if (am != null && am.isEnabled()) {
+                                if (mCb != null) {
+                                    mCb.onTaskViewAppInfoClicked(tv);
+                                }
+                            }
                         }
                     } else if (v == mHeaderView.mDismissButton) {
                         dismissTask();
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 f397bc3..6db4020 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
@@ -26,6 +26,7 @@
 import android.content.res.ColorStateList;
 import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.GradientDrawable;
 import android.graphics.drawable.RippleDrawable;
@@ -80,6 +81,8 @@
     Paint mDimLayerPaint = new Paint();
     PorterDuffColorFilter mDimColorFilter = new PorterDuffColorFilter(0, PorterDuff.Mode.SRC_ATOP);
 
+    boolean mLayersDisabled;
+
     public TaskViewHeader(Context context) {
         this(context, null);
     }
@@ -172,7 +175,9 @@
     void setDimAlpha(int alpha) {
         mDimColorFilter.setColor(Color.argb(alpha, 0, 0, 0));
         mDimLayerPaint.setColorFilter(mDimColorFilter);
-        setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
+        if (!mLayersDisabled) {
+            setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
+        }
     }
 
     /** Returns the secondary color for a primary color. */
@@ -190,14 +195,14 @@
         } else if (t.applicationIcon != null) {
             mApplicationIcon.setImageDrawable(t.applicationIcon);
         }
-        mApplicationIcon.setContentDescription(t.contentDescription);
         if (!mActivityDescription.getText().toString().equals(t.activityLabel)) {
             mActivityDescription.setText(t.activityLabel);
         }
         mActivityDescription.setContentDescription(t.contentDescription);
 
         // Try and apply the system ui tint
-        int existingBgColor = getBackgroundColor();
+        int existingBgColor = (getBackground() instanceof ColorDrawable) ?
+                ((ColorDrawable) getBackground()).getColor() : 0;
         if (existingBgColor != t.colorPrimary) {
             mBackgroundColorDrawable.setColor(t.colorPrimary);
             mBackgroundColor = t.colorPrimary;
@@ -263,7 +268,6 @@
                     .setStartDelay(0)
                     .setInterpolator(mConfig.fastOutSlowInInterpolator)
                     .setDuration(mConfig.taskViewExitToAppDuration)
-                    .withLayer()
                     .start();
         }
     }
@@ -278,7 +282,6 @@
                     .setStartDelay(0)
                     .setInterpolator(mConfig.fastOutLinearInInterpolator)
                     .setDuration(mConfig.taskViewEnterFromAppDuration)
-                    .withLayer()
                     .start();
         }
     }
@@ -305,6 +308,28 @@
         return new int[] {};
     }
 
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
+        super.dispatchDraw(canvas);
+        if (mLayersDisabled) {
+            mLayersDisabled = false;
+            postOnAnimation(new Runnable() {
+                @Override
+                public void run() {
+                    mLayersDisabled = false;
+                    setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
+                }
+            });
+        }
+    }
+
+    public void disableLayersForOneFrame() {
+        mLayersDisabled = true;
+
+        // Disable layer for a frame so we can draw our first frame faster.
+        setLayerType(LAYER_TYPE_NONE, null);
+    }
+
     /** Notifies the associated TaskView has been focused. */
     void onTaskViewFocusChanged(boolean focused, boolean animateFocusedState) {
         // If we are not animating the visible state, just return
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index fa172a4..6fb4b48 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -1030,9 +1030,7 @@
 
     @Override
     public void toggleRecentApps() {
-        int msg = MSG_TOGGLE_RECENTS_APPS;
-        mHandler.removeMessages(msg);
-        mHandler.sendEmptyMessage(msg);
+        toggleRecents();
     }
 
     @Override
@@ -1904,7 +1902,7 @@
             logUpdate(entry, n);
         }
         boolean applyInPlace = shouldApplyInPlace(entry, n);
-        boolean shouldInterrupt = shouldInterrupt(notification);
+        boolean shouldInterrupt = shouldInterrupt(entry);
         boolean alertAgain = alertAgain(entry, n);
 
         entry.notification = notification;
@@ -2075,7 +2073,8 @@
                 || (newNotification.flags & Notification.FLAG_ONLY_ALERT_ONCE) == 0;
     }
 
-    protected boolean shouldInterrupt(StatusBarNotification sbn) {
+    protected boolean shouldInterrupt(Entry entry) {
+        StatusBarNotification sbn = entry.notification;
         if (mNotificationData.shouldFilterOut(sbn)) {
             if (DEBUG) {
                 Log.d(TAG, "Skipping HUN check for " + sbn.getKey() + " since it's filtered out.");
@@ -2100,10 +2099,12 @@
                 Notification.HEADS_UP_ALLOWED) != Notification.HEADS_UP_NEVER;
         boolean accessibilityForcesLaunch = isFullscreen
                 && mAccessibilityManager.isTouchExplorationEnabled();
+        boolean justLaunchedFullScreenIntent = entry.hasJustLaunchedFullScreenIntent();
 
         boolean interrupt = (isFullscreen || (isHighPriority && (isNoisy || hasTicker)))
                 && isAllowed
                 && !accessibilityForcesLaunch
+                && !justLaunchedFullScreenIntent
                 && mPowerManager.isScreenOn()
                 && (!mStatusBarKeyguardViewManager.isShowing()
                         || mStatusBarKeyguardViewManager.isOccluded())
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardAffordanceView.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardAffordanceView.java
index 9ccff72..58fb2b1 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardAffordanceView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardAffordanceView.java
@@ -23,11 +23,14 @@
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.graphics.Canvas;
+import android.graphics.CanvasProperty;
 import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
+import android.view.DisplayListCanvas;
+import android.view.RenderNodeAnimator;
 import android.view.View;
 import android.view.ViewAnimationUtils;
 import android.view.animation.AnimationUtils;
@@ -35,6 +38,7 @@
 import android.widget.ImageView;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.phone.KeyguardAffordanceHelper;
+import com.android.systemui.statusbar.phone.PhoneStatusBar;
 
 /**
  * An ImageView which does not have overlapping renderings commands and therefore does not need a
@@ -56,27 +60,31 @@
     private final int mNormalColor;
     private final ArgbEvaluator mColorInterpolator;
     private final FlingAnimationUtils mFlingAnimationUtils;
-    private final Drawable mArrowDrawable;
-    private final int mHintChevronPadding;
     private float mCircleRadius;
     private int mCenterX;
     private int mCenterY;
     private ValueAnimator mCircleAnimator;
     private ValueAnimator mAlphaAnimator;
     private ValueAnimator mScaleAnimator;
-    private ValueAnimator mArrowAnimator;
     private float mCircleStartValue;
     private boolean mCircleWillBeHidden;
     private int[] mTempPoint = new int[2];
     private float mImageScale;
     private int mCircleColor;
     private boolean mIsLeft;
-    private float mArrowAlpha = 0.0f;
     private View mPreviewView;
     private float mCircleStartRadius;
     private float mMaxCircleSize;
     private Animator mPreviewClipper;
     private float mRestingAlpha = KeyguardAffordanceHelper.SWIPE_RESTING_ALPHA_AMOUNT;
+    private boolean mSupportHardware;
+    private boolean mFinishing;
+
+    private CanvasProperty<Float> mHwCircleRadius;
+    private CanvasProperty<Float> mHwCenterX;
+    private CanvasProperty<Float> mHwCenterY;
+    private CanvasProperty<Paint> mHwCirclePaint;
+
     private AnimatorListenerAdapter mClipEndListener = new AnimatorListenerAdapter() {
         @Override
         public void onAnimationEnd(Animator animation) {
@@ -101,12 +109,6 @@
             mAlphaAnimator = null;
         }
     };
-    private AnimatorListenerAdapter mArrowEndListener = new AnimatorListenerAdapter() {
-        @Override
-        public void onAnimationEnd(Animator animation) {
-            mArrowAnimator = null;
-        }
-    };
 
     public KeyguardAffordanceView(Context context) {
         this(context, null);
@@ -132,17 +134,12 @@
         mInverseColor = 0xff000000;
         mMinBackgroundRadius = mContext.getResources().getDimensionPixelSize(
                 R.dimen.keyguard_affordance_min_background_radius);
-        mHintChevronPadding = mContext.getResources().getDimensionPixelSize(
-                R.dimen.hint_chevron_circle_padding);
         mAppearInterpolator = AnimationUtils.loadInterpolator(mContext,
                 android.R.interpolator.linear_out_slow_in);
         mDisappearInterpolator = AnimationUtils.loadInterpolator(mContext,
                 android.R.interpolator.fast_out_linear_in);
         mColorInterpolator = new ArgbEvaluator();
         mFlingAnimationUtils = new FlingAnimationUtils(mContext, 0.3f);
-        mArrowDrawable = context.getDrawable(R.drawable.ic_chevron_left);
-        mArrowDrawable.setBounds(0, 0, mArrowDrawable.getIntrinsicWidth(),
-                mArrowDrawable.getIntrinsicHeight());
     }
 
     @Override
@@ -155,8 +152,8 @@
 
     @Override
     protected void onDraw(Canvas canvas) {
+        mSupportHardware = canvas.isHardwareAccelerated();
         drawBackgroundCircle(canvas);
-        drawArrow(canvas);
         canvas.save();
         canvas.scale(mImageScale, mImageScale, getWidth() / 2, getHeight() / 2);
         super.onDraw(canvas);
@@ -170,22 +167,6 @@
         }
     }
 
-    private void drawArrow(Canvas canvas) {
-        if (mArrowAlpha > 0) {
-            canvas.save();
-            canvas.translate(mCenterX, mCenterY);
-            if (mIsLeft) {
-                canvas.scale(-1.0f, 1.0f);
-            }
-            canvas.translate(- mCircleRadius - mHintChevronPadding
-                    - mArrowDrawable.getIntrinsicWidth() / 2,
-                    - mArrowDrawable.getIntrinsicHeight() / 2);
-            mArrowDrawable.setAlpha((int) (mArrowAlpha * 255));
-            mArrowDrawable.draw(canvas);
-            canvas.restore();
-        }
-    }
-
     private void updateIconColor() {
         Drawable drawable = getDrawable().mutate();
         float alpha = mCircleRadius / mMinBackgroundRadius;
@@ -196,8 +177,14 @@
 
     private void drawBackgroundCircle(Canvas canvas) {
         if (mCircleRadius > 0) {
-            updateCircleColor();
-            canvas.drawCircle(mCenterX, mCenterY, mCircleRadius, mCirclePaint);
+            if (mFinishing && mSupportHardware) {
+                DisplayListCanvas displayListCanvas = (DisplayListCanvas) canvas;
+                displayListCanvas.drawCircle(mHwCenterX, mHwCenterY, mHwCircleRadius,
+                        mHwCirclePaint);
+            } else {
+                updateCircleColor();
+                canvas.drawCircle(mCenterX, mCenterY, mCircleRadius, mCirclePaint);
+            }
         }
     }
 
@@ -218,15 +205,23 @@
     public void finishAnimation(float velocity, final Runnable mAnimationEndRunnable) {
         cancelAnimator(mCircleAnimator);
         cancelAnimator(mPreviewClipper);
+        mFinishing = true;
         mCircleStartRadius = mCircleRadius;
         float maxCircleSize = getMaxCircleSize();
-        ValueAnimator animatorToRadius = getAnimatorToRadius(maxCircleSize);
+        Animator animatorToRadius;
+        if (mSupportHardware) {
+            initHwProperties();
+            animatorToRadius = getRtAnimatorToRadius(maxCircleSize);
+        } else {
+            animatorToRadius = getAnimatorToRadius(maxCircleSize);
+        }
         mFlingAnimationUtils.applyDismissing(animatorToRadius, mCircleRadius, maxCircleSize,
                 velocity, maxCircleSize);
         animatorToRadius.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationEnd(Animator animation) {
                 mAnimationEndRunnable.run();
+                mFinishing = false;
             }
         });
         animatorToRadius.start();
@@ -240,9 +235,34 @@
                     velocity, maxCircleSize);
             mPreviewClipper.addListener(mClipEndListener);
             mPreviewClipper.start();
+            if (mSupportHardware) {
+                startRtCircleFadeOut(animatorToRadius.getDuration());
+            }
         }
     }
 
+    private void startRtCircleFadeOut(long duration) {
+        RenderNodeAnimator animator = new RenderNodeAnimator(mHwCirclePaint,
+                RenderNodeAnimator.PAINT_ALPHA, 0);
+        animator.setDuration(duration);
+        animator.setInterpolator(PhoneStatusBar.ALPHA_OUT);
+        animator.setTarget(this);
+        animator.start();
+    }
+
+    private Animator getRtAnimatorToRadius(float circleRadius) {
+        RenderNodeAnimator animator = new RenderNodeAnimator(mHwCircleRadius, circleRadius);
+        animator.setTarget(this);
+        return animator;
+    }
+
+    private void initHwProperties() {
+        mHwCenterX = CanvasProperty.createFloat(mCenterX);
+        mHwCenterY = CanvasProperty.createFloat(mCenterY);
+        mHwCirclePaint = CanvasProperty.createPaint(mCirclePaint);
+        mHwCircleRadius = CanvasProperty.createFloat(mCircleRadius);
+    }
+
     private float getMaxCircleSize() {
         getLocationInWindow(mTempPoint);
         float rootWidth = getRootView().getWidth();
@@ -481,36 +501,6 @@
         return mCircleRadius;
     }
 
-    public void showArrow(boolean show) {
-        cancelAnimator(mArrowAnimator);
-        float targetAlpha = show ? 1.0f : 0.0f;
-        if (mArrowAlpha == targetAlpha) {
-            return;
-        }
-        ValueAnimator animator = ValueAnimator.ofFloat(mArrowAlpha, targetAlpha);
-        mArrowAnimator = animator;
-        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
-            @Override
-            public void onAnimationUpdate(ValueAnimator animation) {
-                mArrowAlpha = (float) animation.getAnimatedValue();
-                invalidate();
-            }
-        });
-        animator.addListener(mArrowEndListener);
-        Interpolator interpolator = show
-                    ? mAppearInterpolator
-                    : mDisappearInterpolator;
-        animator.setInterpolator(interpolator);
-        float durationFactor = Math.abs(mArrowAlpha - targetAlpha);
-        long duration = (long) (NORMAL_ANIMATION_DURATION * durationFactor);
-        animator.setDuration(duration);
-        animator.start();
-    }
-
-    public void setIsLeft(boolean left) {
-        mIsLeft = left;
-    }
-
     @Override
     public boolean performClick() {
         if (isClickable()) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
index 2a8b4ac..dbabe3f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
@@ -17,6 +17,7 @@
 package com.android.systemui.statusbar;
 
 import android.app.Notification;
+import android.os.SystemClock;
 import android.service.notification.NotificationListenerService;
 import android.service.notification.NotificationListenerService.Ranking;
 import android.service.notification.NotificationListenerService.RankingMap;
@@ -41,6 +42,8 @@
     private HeadsUpManager mHeadsUpManager;
 
     public static final class Entry {
+        private static final long LAUNCH_COOLDOWN = 2000;
+        private static final long NOT_LAUNCHED_YET = -LAUNCH_COOLDOWN;
         public String key;
         public StatusBarNotification notification;
         public StatusBarIconView icon;
@@ -49,6 +52,7 @@
         public boolean autoRedacted; // whether the redacted notification was generated by us
         public boolean legacy; // whether the notification has a legacy, dark background
         public int targetSdk;
+        private long lastFullScreenIntentLaunchTime = NOT_LAUNCHED_YET;
 
         public Entry(StatusBarNotification n, StatusBarIconView ic) {
             this.key = n.getKey();
@@ -72,6 +76,7 @@
             // We should fix this at some point.
             autoRedacted = false;
             legacy = false;
+            lastFullScreenIntentLaunchTime = NOT_LAUNCHED_YET;
             if (row != null) {
                 row.reset();
             }
@@ -92,6 +97,14 @@
         public View getPublicContentView() {
             return row.getPublicLayout().getContractedChild();
         }
+
+        public void notifyFullScreenIntentLaunched() {
+            lastFullScreenIntentLaunchTime = SystemClock.elapsedRealtime();
+        }
+
+        public boolean hasJustLaunchedFullScreenIntent() {
+            return SystemClock.elapsedRealtime() < lastFullScreenIntentLaunchTime + LAUNCH_COOLDOWN;
+        }
     }
 
     private final ArrayMap<String, Entry> mEntries = new ArrayMap<>();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardAffordanceHelper.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardAffordanceHelper.java
index 64735ee..0877ff9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardAffordanceHelper.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardAffordanceHelper.java
@@ -127,10 +127,8 @@
 
     private void initIcons() {
         mLeftIcon = mCallback.getLeftIcon();
-        mLeftIcon.setIsLeft(true);
         mCenterIcon = mCallback.getCenterIcon();
         mRightIcon = mCallback.getRightIcon();
-        mRightIcon.setIsLeft(false);
         updatePreviews();
     }
 
@@ -261,7 +259,6 @@
 
     private void startHintAnimationPhase1(final boolean right, final Runnable onFinishedListener) {
         final KeyguardAffordanceView targetView = right ? mRightIcon : mLeftIcon;
-        targetView.showArrow(true);
         ValueAnimator animator = getAnimatorToRadius(right, mHintGrowAmount);
         animator.addListener(new AnimatorListenerAdapter() {
             private boolean mCancelled;
@@ -277,7 +274,6 @@
                     mSwipeAnimator = null;
                     mTargetedView = null;
                     onFinishedListener.run();
-                    targetView.showArrow(false);
                 } else {
                     startUnlockHintAnimationPhase2(right, onFinishedListener);
                 }
@@ -301,14 +297,8 @@
             public void onAnimationEnd(Animator animation) {
                 mSwipeAnimator = null;
                 mTargetedView = null;
-                targetView.showArrow(false);
                 onFinishedListener.run();
             }
-
-            @Override
-            public void onAnimationStart(Animator animation) {
-                targetView.showArrow(false);
-            }
         });
         animator.setInterpolator(mDisappearInterpolator);
         animator.setDuration(HINT_PHASE2_DURATION);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index 2fe98bb..4bc317a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -196,6 +196,7 @@
     private boolean mCollapsedOnDown;
     private int mPositionMinSideMargin;
     private int mLastOrientation = -1;
+    private boolean mClosingWithAlphaFadeOut;
 
     private Runnable mHeadsUpExistenceChangedRunnable = new Runnable() {
         @Override
@@ -527,6 +528,7 @@
     protected void flingToHeight(float vel, boolean expand, float target,
             float collapseSpeedUpFactor, boolean expandBecauseOfFalsing) {
         mHeadsUpTouchHelper.notifyFling(!expand);
+        setClosingWithAlphaFadeout(!expand && getFadeoutAlpha() == 1.0f);
         super.flingToHeight(vel, expand, target, collapseSpeedUpFactor, expandBecauseOfFalsing);
     }
 
@@ -638,10 +640,9 @@
 
     @Override
     protected boolean isInContentBounds(float x, float y) {
-        float yTransformed = y - mNotificationStackScroller.getY();
         float stackScrollerX = mNotificationStackScroller.getX();
-        return mNotificationStackScroller.isInContentBounds(yTransformed) && stackScrollerX < x
-                && x < stackScrollerX + mNotificationStackScroller.getWidth();
+        return !mNotificationStackScroller.isBelowLastNotification(x - stackScrollerX, y)
+                && stackScrollerX < x && x < stackScrollerX + mNotificationStackScroller.getWidth();
     }
 
     private void initDownStates(MotionEvent event) {
@@ -1074,8 +1075,12 @@
     };
 
     private void animateHeaderSlidingIn() {
-        mHeaderAnimating = true;
-        getViewTreeObserver().addOnPreDrawListener(mStartHeaderSlidingIn);
+        // If the QS is already expanded we don't need to slide in the header as it's already
+        // visible.
+        if (!mQsExpanded) {
+            mHeaderAnimating = true;
+            getViewTreeObserver().addOnPreDrawListener(mStartHeaderSlidingIn);
+        }
     }
 
     private void animateHeaderSlidingOut() {
@@ -1585,26 +1590,22 @@
         }
     }
     private void updateNotificationTranslucency() {
-        float alpha;
-        if (mExpandingFromHeadsUp || mHeadsUpManager.hasPinnedHeadsUp()) {
-            alpha = 1f;
-        } else {
-            alpha = (getNotificationsTopY() + mNotificationStackScroller.getItemHeight())
-                    / (mQsMinExpansionHeight + mNotificationStackScroller.getBottomStackPeekSize()
-                    - mNotificationStackScroller.getCollapseSecondCardPadding());
-            alpha = Math.max(0, Math.min(alpha, 1));
-            alpha = (float) Math.pow(alpha, 0.75);
-        }
-
-        if (alpha != 1f && mNotificationStackScroller.getLayerType() != LAYER_TYPE_HARDWARE) {
-            mNotificationStackScroller.setLayerType(LAYER_TYPE_HARDWARE, null);
-        } else if (alpha == 1f
-                && mNotificationStackScroller.getLayerType() == LAYER_TYPE_HARDWARE) {
-            mNotificationStackScroller.setLayerType(LAYER_TYPE_NONE, null);
+        float alpha = 1f;
+        if (mClosingWithAlphaFadeOut && !mExpandingFromHeadsUp && !mHeadsUpManager.hasPinnedHeadsUp()) {
+            alpha = getFadeoutAlpha();
         }
         mNotificationStackScroller.setAlpha(alpha);
     }
 
+    private float getFadeoutAlpha() {
+        float alpha = (getNotificationsTopY() + mNotificationStackScroller.getItemHeight())
+                / (mQsMinExpansionHeight + mNotificationStackScroller.getBottomStackPeekSize()
+                - mNotificationStackScroller.getCollapseSecondCardPadding());
+        alpha = Math.max(0, Math.min(alpha, 1));
+        alpha = (float) Math.pow(alpha, 0.75);
+        return alpha;
+    }
+
     @Override
     protected float getOverExpansionAmount() {
         return mNotificationStackScroller.getCurrentOverScrollAmount(true /* top */);
@@ -2261,6 +2262,12 @@
     protected void onClosingFinished() {
         super.onClosingFinished();
         resetVerticalPanelPosition();
+        setClosingWithAlphaFadeout(false);
+    }
+
+    private void setClosingWithAlphaFadeout(boolean closing) {
+        mClosingWithAlphaFadeOut = closing;
+        mNotificationStackScroller.forceNoOverlappingRendering(closing);
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelBar.java
index d5209ea..54bd3e9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelBar.java
@@ -229,10 +229,6 @@
 
     public void onTrackingStarted(PanelView panel) {
         mTracking = true;
-        if (DEBUG && panel != mTouchingPanel) {
-            LOG("shouldn't happen: onTrackingStarted(%s) != mTouchingPanel(%s)",
-                    panel, mTouchingPanel);
-        }
     }
 
     public void onTrackingStopped(PanelView panel, boolean expand) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
index 6d35ff0..9d4997c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PanelView.java
@@ -777,6 +777,15 @@
 
     public void setExpandedFraction(float frac) {
         setExpandedHeight(getMaxPanelHeight() * frac);
+        if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD
+                && mStatusBar.getBarState() == StatusBarState.KEYGUARD) {
+            if (frac == 0.0f) {
+                Log.i(PhoneStatusBar.TAG, "Panel collapsed! Stacktrace: "
+                        + Log.getStackTraceString(new Throwable()));
+            } else if (frac == 1.0f) {
+                mStatusBar.endWindowManagerLogging();
+            }
+        }
     }
 
     public float getExpandedHeight() {
@@ -808,6 +817,11 @@
     }
 
     public void collapse(boolean delayed, float speedUpFactor) {
+        if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD
+                && mStatusBar.getBarState() == StatusBarState.KEYGUARD) {
+            Log.i(PhoneStatusBar.TAG, "Panel collapsed! Stacktrace: "
+                    + Log.getStackTraceString(new Throwable()));
+        }
         if (DEBUG) logf("collapse: " + this);
         if (mPeekPending || mPeekAnimator != null) {
             mCollapseAfterPeek = true;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index def95aa..984c201 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -185,6 +185,7 @@
         HeadsUpManager.OnHeadsUpChangedListener {
     static final String TAG = "PhoneStatusBar";
     public static final boolean DEBUG = BaseStatusBar.DEBUG;
+    public static final boolean DEBUG_EMPTY_KEYGUARD = true;
     public static final boolean SPEW = false;
     public static final boolean DUMPTRUCK = true; // extra dumpsys info
     public static final boolean DEBUG_GESTURES = false;
@@ -1152,7 +1153,7 @@
         if (shadeEntry == null) {
             return;
         }
-        boolean isHeadsUped = mUseHeadsUp && shouldInterrupt(notification);
+        boolean isHeadsUped = mUseHeadsUp && shouldInterrupt(shadeEntry);
         if (isHeadsUped) {
             mHeadsUpManager.showNotification(shadeEntry);
             // Mark as seen immediately
@@ -1170,6 +1171,7 @@
                 EventLog.writeEvent(EventLogTags.SYSUI_FULLSCREEN_NOTIFICATION,
                         notification.getKey());
                 notification.getNotification().fullScreenIntent.send();
+                shadeEntry.notifyFullScreenIntentLaunched();
             } catch (PendingIntent.CanceledException e) {
             }
         }
@@ -2003,6 +2005,10 @@
         mStatusBarWindowManager.setPanelExpanded(isExpanded);
     }
 
+    public void endWindowManagerLogging() {
+        mStatusBarWindowManager.setLogState(false);
+    }
+
     /**
      * All changes to the status bar and notifications funnel through here and are batched.
      */
@@ -2040,6 +2046,7 @@
                     EventLog.writeEvent(EventLogTags.SYSUI_HEADS_UP_ESCALATION,
                             sbn.getKey());
                     notification.fullScreenIntent.send();
+                    entry.entry.notifyFullScreenIntentLaunched();
                 } catch (PendingIntent.CanceledException e) {
                 }
             }
@@ -3547,6 +3554,9 @@
         // Make our window larger and the panel expanded.
         makeExpandedVisible(true);
         mNotificationPanel.instantExpand();
+        if (DEBUG_EMPTY_KEYGUARD) {
+            mStatusBarWindowManager.setLogState(true);
+        }
     }
 
     private void instantCollapseNotificationPanel() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java
index aa499ad..b7e675d 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarView.java
@@ -20,12 +20,14 @@
 import android.content.res.Resources;
 import android.util.AttributeSet;
 import android.util.EventLog;
+import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.accessibility.AccessibilityEvent;
 
 import com.android.systemui.EventLogTags;
 import com.android.systemui.R;
+import com.android.systemui.statusbar.StatusBarState;
 
 public class PhoneStatusBarView extends PanelBar {
     private static final String TAG = "PhoneStatusBarView";
@@ -108,7 +110,11 @@
     @Override
     public void onAllPanelsCollapsed() {
         super.onAllPanelsCollapsed();
-
+        if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD
+                && mBar.getBarState() == StatusBarState.KEYGUARD) {
+            Log.i(PhoneStatusBar.TAG, "Panel collapsed! Stacktrace: "
+                    + Log.getStackTraceString(new Throwable()));
+        }
         // Close the status bar in the next frame so we can show the end of the animation.
         postOnAnimation(new Runnable() {
             @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowManager.java
index de426430..58017d0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowManager.java
@@ -21,6 +21,7 @@
 import android.content.res.Resources;
 import android.graphics.PixelFormat;
 import android.os.SystemProperties;
+import android.util.Log;
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
@@ -31,6 +32,8 @@
 import com.android.systemui.statusbar.BaseStatusBar;
 import com.android.systemui.statusbar.StatusBarState;
 
+import java.lang.reflect.Field;
+
 /**
  * Encapsulates all logic for the status bar window state management.
  */
@@ -45,6 +48,7 @@
     private final boolean mKeyguardScreenRotation;
 
     private final State mCurrentState = new State();
+    private boolean mLogState;
 
     public StatusBarWindowManager(Context context) {
         mContext = context;
@@ -129,9 +133,7 @@
     }
 
     private void applyHeight(State state) {
-        boolean expanded = !state.forceCollapsed && (state.isKeyguardShowingAndNotOccluded()
-                || state.panelVisible || state.keyguardFadingAway || state.bouncerShowing
-                || state.headsUpShowing);
+        boolean expanded = isExpanded(state);
         if (expanded) {
             mLpChanged.height = ViewGroup.LayoutParams.MATCH_PARENT;
         } else {
@@ -139,6 +141,12 @@
         }
     }
 
+    private boolean isExpanded(State state) {
+        return !state.forceCollapsed && (state.isKeyguardShowingAndNotOccluded()
+                || state.panelVisible || state.keyguardFadingAway || state.bouncerShowing
+                || state.headsUpShowing);
+    }
+
     private void applyFitsSystemWindows(State state) {
         mStatusBarView.setFitsSystemWindows(!state.isKeyguardShowingAndNotOccluded());
     }
@@ -176,6 +184,9 @@
         applyFitsSystemWindows(state);
         applyModalFlag(state);
         if (mLp.copyFrom(mLpChanged) != 0) {
+            if (PhoneStatusBar.DEBUG_EMPTY_KEYGUARD && mLogState) {
+                logCurrentState();
+            }
             mWindowManager.updateViewLayout(mStatusBarView, mLp);
         }
     }
@@ -272,6 +283,21 @@
         apply(mCurrentState);
     }
 
+    public void setLogState(boolean logState) {
+        mLogState = logState;
+        if (logState) {
+            Log.w(PhoneStatusBar.TAG, "===== Started logging WM state changes =====");
+            logCurrentState();
+        } else {
+            Log.w(PhoneStatusBar.TAG, "===== Finished logging WM state changes =====");
+        }
+    }
+
+    private void logCurrentState() {
+        Log.i(PhoneStatusBar.TAG, mCurrentState.toString()
+                + "\n  Expanded: " + isExpanded(mCurrentState));
+    }
+
     private static class State {
         boolean keyguardShowing;
         boolean keyguardOccluded;
@@ -294,5 +320,31 @@
         private boolean isKeyguardShowingAndNotOccluded() {
             return keyguardShowing && !keyguardOccluded;
         }
+
+        @Override
+        public String toString() {
+            StringBuilder result = new StringBuilder();
+            String newLine = "\n";
+            result.append("Window State {");
+            result.append(newLine);
+
+            Field[] fields = this.getClass().getDeclaredFields();
+
+            // Print field names paired with their values
+            for (Field field : fields) {
+                result.append("  ");
+                try {
+                    result.append(field.getName());
+                    result.append(": ");
+                    //requires access to private field:
+                    result.append(field.get(this));
+                } catch (IllegalAccessException ex) {
+                }
+                result.append(newLine);
+            }
+            result.append("}");
+
+            return result.toString();
+        }
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
index 3b91751..6a8f8ee 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarWindowView.java
@@ -171,7 +171,6 @@
         if (mNotificationPanel.isFullyExpanded()
                 && mStackScrollLayout.getVisibility() == View.VISIBLE
                 && mService.getBarState() == StatusBarState.KEYGUARD
-                && !mService.isQsExpanded()
                 && !mService.isBouncerShowing()) {
             intercept = mDragDownHelper.onInterceptTouchEvent(ev);
             // wake up on a touch down event, if dozing
@@ -195,7 +194,7 @@
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
         boolean handled = false;
-        if (mService.getBarState() == StatusBarState.KEYGUARD && !mService.isQsExpanded()) {
+        if (mService.getBarState() == StatusBarState.KEYGUARD) {
             handled = mDragDownHelper.onTouchEvent(ev);
         }
         if (!handled) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
index 4ae800f..d8f6bcd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
@@ -225,6 +225,7 @@
     private HeadsUpManager mHeadsUpManager;
     private boolean mTrackingHeadsUp;
     private ScrimController mScrimController;
+    private boolean mForceNoOverlappingRendering;
 
     public NotificationStackScrollLayout(Context context) {
         this(context, null);
@@ -811,8 +812,7 @@
         }
         handleEmptySpaceClick(ev);
         boolean expandWantsIt = false;
-        if (mIsExpanded && !mSwipingInProgress && !mOnlyScrollingInThisMotion
-                && isScrollingEnabled()) {
+        if (mIsExpanded && !mSwipingInProgress && !mOnlyScrollingInThisMotion) {
             if (isCancelOrUp) {
                 mExpandHelper.onlyObserveMovements(false);
             }
@@ -1566,7 +1566,7 @@
         initDownStates(ev);
         handleEmptySpaceClick(ev);
         boolean expandWantsIt = false;
-        if (!mSwipingInProgress && !mOnlyScrollingInThisMotion && isScrollingEnabled()) {
+        if (!mSwipingInProgress && !mOnlyScrollingInThisMotion) {
             expandWantsIt = mExpandHelper.onInterceptTouchEvent(ev);
         }
         boolean scrollWantsIt = false;
@@ -2267,11 +2267,11 @@
     private void updateScrollPositionOnExpandInBottom(ExpandableView view) {
         if (view instanceof ExpandableNotificationRow) {
             ExpandableNotificationRow row = (ExpandableNotificationRow) view;
-            if (row.isUserLocked()) {
+            if (row.isUserLocked() && row != getFirstChildNotGone()) {
                 // We are actually expanding this view
                 float endPosition = row.getTranslationY() + row.getActualHeight();
                 int stackEnd = mMaxLayoutHeight - mBottomStackPeekSize -
-                        mBottomStackSlowDownHeight;
+                        mBottomStackSlowDownHeight + (int) mStackTranslation;
                 if (endPosition > stackEnd) {
                     mOwnScrollY += endPosition - stackEnd;
                     mDisallowScrollingInThisMotion = true;
@@ -2614,7 +2614,7 @@
         }
     }
 
-    private boolean isBelowLastNotification(float touchX, float touchY) {
+    public boolean isBelowLastNotification(float touchX, float touchY) {
         int childCount = getChildCount();
         for (int i = childCount - 1; i >= 0; i--) {
             ExpandableView child = (ExpandableView) getChildAt(i);
@@ -2640,7 +2640,7 @@
                 }
             }
         }
-        return touchY > mIntrinsicPadding;
+        return touchY > mTopPadding + mStackTranslation;
     }
 
     private void updateExpandButtons() {
@@ -2732,6 +2732,15 @@
         mScrimController = scrimController;
     }
 
+    public void forceNoOverlappingRendering(boolean force) {
+        mForceNoOverlappingRendering = force;
+    }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return !mForceNoOverlappingRendering && super.hasOverlappingRendering();
+    }
+
     /**
      * A listener that is notified when some child locations might have changed.
      */
diff --git a/rs/java/android/renderscript/Allocation.java b/rs/java/android/renderscript/Allocation.java
index bea138e..0a50593 100644
--- a/rs/java/android/renderscript/Allocation.java
+++ b/rs/java/android/renderscript/Allocation.java
@@ -51,6 +51,7 @@
  * <a href="{@docRoot}guide/topics/renderscript/index.html">RenderScript</a> developer guide.</p>
  * </div>
  **/
+
 public class Allocation extends BaseObj {
     Type mType;
     Bitmap mBitmap;
@@ -455,28 +456,31 @@
      *
      */
     public void syncAll(int srcLocation) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "syncAll");
-        switch (srcLocation) {
-        case USAGE_GRAPHICS_TEXTURE:
-        case USAGE_SCRIPT:
-            if ((mUsage & USAGE_SHARED) != 0) {
-                copyFrom(mBitmap);
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "syncAll");
+            switch (srcLocation) {
+                case USAGE_GRAPHICS_TEXTURE:
+                case USAGE_SCRIPT:
+                    if ((mUsage & USAGE_SHARED) != 0) {
+                        copyFrom(mBitmap);
+                    }
+                    break;
+                case USAGE_GRAPHICS_CONSTANTS:
+                case USAGE_GRAPHICS_VERTEX:
+                    break;
+                case USAGE_SHARED:
+                    if ((mUsage & USAGE_SHARED) != 0) {
+                        copyTo(mBitmap);
+                    }
+                    break;
+                default:
+                    throw new RSIllegalArgumentException("Source must be exactly one usage type.");
             }
-            break;
-        case USAGE_GRAPHICS_CONSTANTS:
-        case USAGE_GRAPHICS_VERTEX:
-            break;
-        case USAGE_SHARED:
-            if ((mUsage & USAGE_SHARED) != 0) {
-                copyTo(mBitmap);
-            }
-            break;
-        default:
-            throw new RSIllegalArgumentException("Source must be exactly one usage type.");
+            mRS.validate();
+            mRS.nAllocationSyncAll(getIDSafe(), srcLocation);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        mRS.validate();
-        mRS.nAllocationSyncAll(getIDSafe(), srcLocation);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -487,14 +491,17 @@
      *
      */
     public void ioSend() {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "ioSend");
-        if ((mUsage & USAGE_IO_OUTPUT) == 0) {
-            throw new RSIllegalArgumentException(
-                "Can only send buffer if IO_OUTPUT usage specified.");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "ioSend");
+            if ((mUsage & USAGE_IO_OUTPUT) == 0) {
+                throw new RSIllegalArgumentException(
+                    "Can only send buffer if IO_OUTPUT usage specified.");
+            }
+            mRS.validate();
+            mRS.nAllocationIoSend(getID(mRS));
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        mRS.validate();
-        mRS.nAllocationIoSend(getID(mRS));
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -503,14 +510,17 @@
      *
      */
     public void ioReceive() {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "ioReceive");
-        if ((mUsage & USAGE_IO_INPUT) == 0) {
-            throw new RSIllegalArgumentException(
-                "Can only receive if IO_INPUT usage specified.");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "ioReceive");
+            if ((mUsage & USAGE_IO_INPUT) == 0) {
+                throw new RSIllegalArgumentException(
+                    "Can only receive if IO_INPUT usage specified.");
+            }
+            mRS.validate();
+            mRS.nAllocationIoReceive(getID(mRS));
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        mRS.validate();
-        mRS.nAllocationIoReceive(getID(mRS));
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -519,28 +529,31 @@
      * @param d Source array.
      */
     public void copyFrom(BaseObj[] d) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copyFrom");
-        mRS.validate();
-        validateIsObject();
-        if (d.length != mCurrentCount) {
-            throw new RSIllegalArgumentException("Array size mismatch, allocation sizeX = " +
-                                                 mCurrentCount + ", array length = " + d.length);
-        }
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copyFrom");
+            mRS.validate();
+            validateIsObject();
+            if (d.length != mCurrentCount) {
+                throw new RSIllegalArgumentException("Array size mismatch, allocation sizeX = " +
+                                                      mCurrentCount + ", array length = " + d.length);
+            }
 
-        if (RenderScript.sPointerSize == 8) {
-            long i[] = new long[d.length * 4];
-            for (int ct=0; ct < d.length; ct++) {
-                i[ct * 4] = d[ct].getID(mRS);
+            if (RenderScript.sPointerSize == 8) {
+                long i[] = new long[d.length * 4];
+                for (int ct=0; ct < d.length; ct++) {
+                    i[ct * 4] = d[ct].getID(mRS);
+                }
+                copy1DRangeFromUnchecked(0, mCurrentCount, i);
+            } else {
+                int i[] = new int[d.length];
+                for (int ct=0; ct < d.length; ct++) {
+                    i[ct] = (int) d[ct].getID(mRS);
+                }
+                copy1DRangeFromUnchecked(0, mCurrentCount, i);
             }
-            copy1DRangeFromUnchecked(0, mCurrentCount, i);
-        } else {
-            int i[] = new int[d.length];
-            for (int ct=0; ct < d.length; ct++) {
-                i[ct] = (int)d[ct].getID(mRS);
-            }
-            copy1DRangeFromUnchecked(0, mCurrentCount, i);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     private void validateBitmapFormat(Bitmap b) {
@@ -599,16 +612,19 @@
     }
 
     private void copyFromUnchecked(Object array, Element.DataType dt, int arrayLen) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copyFromUnchecked");
-        mRS.validate();
-        if (mCurrentDimZ > 0) {
-            copy3DRangeFromUnchecked(0, 0, 0, mCurrentDimX, mCurrentDimY, mCurrentDimZ, array, dt, arrayLen);
-        } else if (mCurrentDimY > 0) {
-            copy2DRangeFromUnchecked(0, 0, mCurrentDimX, mCurrentDimY, array, dt, arrayLen);
-        } else {
-            copy1DRangeFromUnchecked(0, mCurrentCount, array, dt, arrayLen);
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copyFromUnchecked");
+            mRS.validate();
+            if (mCurrentDimZ > 0) {
+                copy3DRangeFromUnchecked(0, 0, 0, mCurrentDimX, mCurrentDimY, mCurrentDimZ, array, dt, arrayLen);
+            } else if (mCurrentDimY > 0) {
+                copy2DRangeFromUnchecked(0, 0, mCurrentDimX, mCurrentDimY, array, dt, arrayLen);
+            } else {
+                copy1DRangeFromUnchecked(0, mCurrentCount, array, dt, arrayLen);
+            }
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -619,10 +635,13 @@
      * @param array The source data array
      */
     public void copyFromUnchecked(Object array) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copyFromUnchecked");
-        copyFromUnchecked(array, validateObjectIsPrimitiveArray(array, false),
-                          java.lang.reflect.Array.getLength(array));
-        Trace.traceEnd(RenderScript.TRACE_TAG);
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copyFromUnchecked");
+            copyFromUnchecked(array, validateObjectIsPrimitiveArray(array, false),
+                              java.lang.reflect.Array.getLength(array));
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
+        }
     }
 
     /**
@@ -679,10 +698,13 @@
      * @param array The source data array
      */
     public void copyFrom(Object array) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copyFrom");
-        copyFromUnchecked(array, validateObjectIsPrimitiveArray(array, true),
-                          java.lang.reflect.Array.getLength(array));
-        Trace.traceEnd(RenderScript.TRACE_TAG);
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copyFrom");
+            copyFromUnchecked(array, validateObjectIsPrimitiveArray(array, true),
+                              java.lang.reflect.Array.getLength(array));
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
+        }
     }
 
     /**
@@ -747,19 +769,22 @@
      * @param b the source bitmap
      */
     public void copyFrom(Bitmap b) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copyFrom");
-        mRS.validate();
-        if (b.getConfig() == null) {
-            Bitmap newBitmap = Bitmap.createBitmap(b.getWidth(), b.getHeight(), Bitmap.Config.ARGB_8888);
-            Canvas c = new Canvas(newBitmap);
-            c.drawBitmap(b, 0, 0, null);
-            copyFrom(newBitmap);
-            return;
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copyFrom");
+            mRS.validate();
+            if (b.getConfig() == null) {
+                Bitmap newBitmap = Bitmap.createBitmap(b.getWidth(), b.getHeight(), Bitmap.Config.ARGB_8888);
+                Canvas c = new Canvas(newBitmap);
+                c.drawBitmap(b, 0, 0, null);
+                copyFrom(newBitmap);
+                return;
+            }
+            validateBitmapSize(b);
+            validateBitmapFormat(b);
+            mRS.nAllocationCopyFromBitmap(getID(mRS), b);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        validateBitmapSize(b);
-        validateBitmapFormat(b);
-        mRS.nAllocationCopyFromBitmap(getID(mRS), b);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -769,13 +794,16 @@
      * @param a the source allocation
      */
     public void copyFrom(Allocation a) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copyFrom");
-        mRS.validate();
-        if (!mType.equals(a.getType())) {
-            throw new RSIllegalArgumentException("Types of allocations must match.");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copyFrom");
+            mRS.validate();
+            if (!mType.equals(a.getType())) {
+                throw new RSIllegalArgumentException("Types of allocations must match.");
+            }
+            copy2DRangeFrom(0, 0, mCurrentDimX, mCurrentDimY, a, 0, 0);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        copy2DRangeFrom(0, 0, mCurrentDimX, mCurrentDimY, a, 0, 0);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -890,17 +918,20 @@
 
     private void copy1DRangeFromUnchecked(int off, int count, Object array,
                                           Element.DataType dt, int arrayLen) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy1DRangeFromUnchecked");
-        final int dataSize = mType.mElement.getBytesSize() * count;
-        // AutoPadding for Vec3 Element
-        boolean usePadding = false;
-        if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
-            usePadding = true;
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy1DRangeFromUnchecked");
+            final int dataSize = mType.mElement.getBytesSize() * count;
+            // AutoPadding for Vec3 Element
+            boolean usePadding = false;
+            if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
+                usePadding = true;
+            }
+            data1DChecks(off, count, arrayLen * dt.mSize, dataSize, usePadding);
+            mRS.nAllocationData1D(getIDSafe(), off, mSelectedLOD, count, array, dataSize, dt,
+                                  mType.mElement.mType.mSize, usePadding);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        data1DChecks(off, count, arrayLen * dt.mSize, dataSize, usePadding);
-        mRS.nAllocationData1D(getIDSafe(), off, mSelectedLOD, count, array, dataSize, dt,
-                              mType.mElement.mType.mSize, usePadding);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -1074,28 +1105,31 @@
 
     void copy2DRangeFromUnchecked(int xoff, int yoff, int w, int h, Object array,
                                   Element.DataType dt, int arrayLen) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy2DRangeFromUnchecked");
-        mRS.validate();
-        validate2DRange(xoff, yoff, w, h);
-        final int dataSize = mType.mElement.getBytesSize() * w * h;
-        // AutoPadding for Vec3 Element
-        boolean usePadding = false;
-        int sizeBytes = arrayLen * dt.mSize;
-        if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
-            if (dataSize / 4 * 3 > sizeBytes) {
-                throw new RSIllegalArgumentException("Array too small for allocation type.");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy2DRangeFromUnchecked");
+            mRS.validate();
+            validate2DRange(xoff, yoff, w, h);
+            final int dataSize = mType.mElement.getBytesSize() * w * h;
+            // AutoPadding for Vec3 Element
+            boolean usePadding = false;
+            int sizeBytes = arrayLen * dt.mSize;
+            if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
+                if (dataSize / 4 * 3 > sizeBytes) {
+                    throw new RSIllegalArgumentException("Array too small for allocation type.");
+                }
+                usePadding = true;
+                sizeBytes = dataSize;
+            } else {
+                if (dataSize > sizeBytes) {
+                    throw new RSIllegalArgumentException("Array too small for allocation type.");
+                }
             }
-            usePadding = true;
-            sizeBytes = dataSize;
-        } else {
-            if (dataSize > sizeBytes) {
-                throw new RSIllegalArgumentException("Array too small for allocation type.");
-            }
+            mRS.nAllocationData2D(getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace.mID, w, h,
+                                  array, sizeBytes, dt,
+                                  mType.mElement.mType.mSize, usePadding);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        mRS.nAllocationData2D(getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace.mID, w, h,
-                              array, sizeBytes, dt,
-                              mType.mElement.mType.mSize, usePadding);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -1109,11 +1143,14 @@
      * @param array Data to be placed into the Allocation
      */
     public void copy2DRangeFrom(int xoff, int yoff, int w, int h, Object array) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy2DRangeFrom");
-        copy2DRangeFromUnchecked(xoff, yoff, w, h, array,
-                                 validateObjectIsPrimitiveArray(array, true),
-                                 java.lang.reflect.Array.getLength(array));
-        Trace.traceEnd(RenderScript.TRACE_TAG);
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy2DRangeFrom");
+            copy2DRangeFromUnchecked(xoff, yoff, w, h, array,
+                                     validateObjectIsPrimitiveArray(array, true),
+                                     java.lang.reflect.Array.getLength(array));
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
+        }
     }
 
     /**
@@ -1194,14 +1231,17 @@
      */
     public void copy2DRangeFrom(int xoff, int yoff, int w, int h,
                                 Allocation data, int dataXoff, int dataYoff) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy2DRangeFrom");
-        mRS.validate();
-        validate2DRange(xoff, yoff, w, h);
-        mRS.nAllocationData2D(getIDSafe(), xoff, yoff,
-                              mSelectedLOD, mSelectedFace.mID,
-                              w, h, data.getID(mRS), dataXoff, dataYoff,
-                              data.mSelectedLOD, data.mSelectedFace.mID);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy2DRangeFrom");
+            mRS.validate();
+            validate2DRange(xoff, yoff, w, h);
+            mRS.nAllocationData2D(getIDSafe(), xoff, yoff,
+                                  mSelectedLOD, mSelectedFace.mID,
+                                  w, h, data.getID(mRS), dataXoff, dataYoff,
+                                  data.mSelectedLOD, data.mSelectedFace.mID);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
+        }
     }
 
     /**
@@ -1258,28 +1298,31 @@
      */
     private void copy3DRangeFromUnchecked(int xoff, int yoff, int zoff, int w, int h, int d,
                                           Object array, Element.DataType dt, int arrayLen) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy3DRangeFromUnchecked");
-        mRS.validate();
-        validate3DRange(xoff, yoff, zoff, w, h, d);
-        final int dataSize = mType.mElement.getBytesSize() * w * h * d;
-        // AutoPadding for Vec3 Element
-        boolean usePadding = false;
-        int sizeBytes = arrayLen * dt.mSize;
-        if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
-            if (dataSize / 4 * 3 > sizeBytes) {
-                throw new RSIllegalArgumentException("Array too small for allocation type.");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy3DRangeFromUnchecked");
+            mRS.validate();
+            validate3DRange(xoff, yoff, zoff, w, h, d);
+            final int dataSize = mType.mElement.getBytesSize() * w * h * d;
+            // AutoPadding for Vec3 Element
+            boolean usePadding = false;
+            int sizeBytes = arrayLen * dt.mSize;
+            if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
+                if (dataSize / 4 * 3 > sizeBytes) {
+                    throw new RSIllegalArgumentException("Array too small for allocation type.");
+                }
+                usePadding = true;
+                sizeBytes = dataSize;
+            } else {
+                if (dataSize > sizeBytes) {
+                    throw new RSIllegalArgumentException("Array too small for allocation type.");
+                }
             }
-            usePadding = true;
-            sizeBytes = dataSize;
-        } else {
-            if (dataSize > sizeBytes) {
-                throw new RSIllegalArgumentException("Array too small for allocation type.");
-            }
+            mRS.nAllocationData3D(getIDSafe(), xoff, yoff, zoff, mSelectedLOD, w, h, d,
+                                  array, sizeBytes, dt,
+                                  mType.mElement.mType.mSize, usePadding);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        mRS.nAllocationData3D(getIDSafe(), xoff, yoff, zoff, mSelectedLOD, w, h, d,
-                              array, sizeBytes, dt,
-                              mType.mElement.mType.mSize, usePadding);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -1295,11 +1338,14 @@
      * @param array to be placed into the allocation
      */
     public void copy3DRangeFrom(int xoff, int yoff, int zoff, int w, int h, int d, Object array) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy3DRangeFrom");
-        copy3DRangeFromUnchecked(xoff, yoff, zoff, w, h, d, array,
-                                 validateObjectIsPrimitiveArray(array, true),
-                                 java.lang.reflect.Array.getLength(array));
-        Trace.traceEnd(RenderScript.TRACE_TAG);
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy3DRangeFrom");
+            copy3DRangeFromUnchecked(xoff, yoff, zoff, w, h, d, array,
+                                     validateObjectIsPrimitiveArray(array, true),
+                                     java.lang.reflect.Array.getLength(array));
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
+        }
     }
 
     /**
@@ -1334,34 +1380,40 @@
      * @param b The bitmap to be set from the Allocation.
      */
     public void copyTo(Bitmap b) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copyTo");
-        mRS.validate();
-        validateBitmapFormat(b);
-        validateBitmapSize(b);
-        mRS.nAllocationCopyToBitmap(getID(mRS), b);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copyTo");
+            mRS.validate();
+            validateBitmapFormat(b);
+            validateBitmapSize(b);
+            mRS.nAllocationCopyToBitmap(getID(mRS), b);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
+        }
     }
 
     private void copyTo(Object array, Element.DataType dt, int arrayLen) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copyTo");
-        mRS.validate();
-        boolean usePadding = false;
-        if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
-            usePadding = true;
-        }
-        if (usePadding) {
-            if (dt.mSize * arrayLen < mSize / 4 * 3) {
-                throw new RSIllegalArgumentException(
-                    "Size of output array cannot be smaller than size of allocation.");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copyTo");
+            mRS.validate();
+            boolean usePadding = false;
+            if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
+                usePadding = true;
             }
-        } else {
-            if (dt.mSize * arrayLen < mSize) {
-                throw new RSIllegalArgumentException(
-                    "Size of output array cannot be smaller than size of allocation.");
+            if (usePadding) {
+                if (dt.mSize * arrayLen < mSize / 4 * 3) {
+                    throw new RSIllegalArgumentException(
+                        "Size of output array cannot be smaller than size of allocation.");
+                }
+            } else {
+                if (dt.mSize * arrayLen < mSize) {
+                    throw new RSIllegalArgumentException(
+                        "Size of output array cannot be smaller than size of allocation.");
+                }
             }
+            mRS.nAllocationRead(getID(mRS), array, dt, mType.mElement.mType.mSize, usePadding);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        mRS.nAllocationRead(getID(mRS), array, dt, mType.mElement.mType.mSize, usePadding);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -1499,17 +1551,20 @@
 
     private void copy1DRangeToUnchecked(int off, int count, Object array,
                                         Element.DataType dt, int arrayLen) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy1DRangeToUnchecked");
-        final int dataSize = mType.mElement.getBytesSize() * count;
-        // AutoPadding for Vec3 Element
-        boolean usePadding = false;
-        if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
-            usePadding = true;
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy1DRangeToUnchecked");
+            final int dataSize = mType.mElement.getBytesSize() * count;
+            // AutoPadding for Vec3 Element
+            boolean usePadding = false;
+            if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
+                usePadding = true;
+            }
+            data1DChecks(off, count, arrayLen * dt.mSize, dataSize, usePadding);
+            mRS.nAllocationRead1D(getIDSafe(), off, mSelectedLOD, count, array, dataSize, dt,
+                                  mType.mElement.mType.mSize, usePadding);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        data1DChecks(off, count, arrayLen * dt.mSize, dataSize, usePadding);
-        mRS.nAllocationRead1D(getIDSafe(), off, mSelectedLOD, count, array, dataSize, dt,
-                              mType.mElement.mType.mSize, usePadding);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -1649,27 +1704,30 @@
 
     void copy2DRangeToUnchecked(int xoff, int yoff, int w, int h, Object array,
                                 Element.DataType dt, int arrayLen) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy2DRangeToUnchecked");
-        mRS.validate();
-        validate2DRange(xoff, yoff, w, h);
-        final int dataSize = mType.mElement.getBytesSize() * w * h;
-        // AutoPadding for Vec3 Element
-        boolean usePadding = false;
-        int sizeBytes = arrayLen * dt.mSize;
-        if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
-            if (dataSize / 4 * 3 > sizeBytes) {
-                throw new RSIllegalArgumentException("Array too small for allocation type.");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy2DRangeToUnchecked");
+            mRS.validate();
+            validate2DRange(xoff, yoff, w, h);
+            final int dataSize = mType.mElement.getBytesSize() * w * h;
+            // AutoPadding for Vec3 Element
+            boolean usePadding = false;
+            int sizeBytes = arrayLen * dt.mSize;
+            if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
+                if (dataSize / 4 * 3 > sizeBytes) {
+                    throw new RSIllegalArgumentException("Array too small for allocation type.");
+                }
+                usePadding = true;
+                sizeBytes = dataSize;
+            } else {
+                if (dataSize > sizeBytes) {
+                    throw new RSIllegalArgumentException("Array too small for allocation type.");
+                }
             }
-            usePadding = true;
-            sizeBytes = dataSize;
-        } else {
-            if (dataSize > sizeBytes) {
-                throw new RSIllegalArgumentException("Array too small for allocation type.");
-            }
+            mRS.nAllocationRead2D(getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace.mID, w, h,
+                                  array, sizeBytes, dt, mType.mElement.mType.mSize, usePadding);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        mRS.nAllocationRead2D(getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace.mID, w, h,
-                              array, sizeBytes, dt, mType.mElement.mType.mSize, usePadding);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /**
@@ -1757,27 +1815,30 @@
      */
     private void copy3DRangeToUnchecked(int xoff, int yoff, int zoff, int w, int h, int d,
                                         Object array, Element.DataType dt, int arrayLen) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "copy3DRangeToUnchecked");
-        mRS.validate();
-        validate3DRange(xoff, yoff, zoff, w, h, d);
-        final int dataSize = mType.mElement.getBytesSize() * w * h * d;
-        // AutoPadding for Vec3 Element
-        boolean usePadding = false;
-        int sizeBytes = arrayLen * dt.mSize;
-        if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
-            if (dataSize / 4 * 3 > sizeBytes) {
-                throw new RSIllegalArgumentException("Array too small for allocation type.");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "copy3DRangeToUnchecked");
+            mRS.validate();
+            validate3DRange(xoff, yoff, zoff, w, h, d);
+            final int dataSize = mType.mElement.getBytesSize() * w * h * d;
+            // AutoPadding for Vec3 Element
+            boolean usePadding = false;
+            int sizeBytes = arrayLen * dt.mSize;
+            if (mAutoPadding && (mType.getElement().getVectorSize() == 3)) {
+                if (dataSize / 4 * 3 > sizeBytes) {
+                    throw new RSIllegalArgumentException("Array too small for allocation type.");
+                }
+                usePadding = true;
+                sizeBytes = dataSize;
+            } else {
+                if (dataSize > sizeBytes) {
+                    throw new RSIllegalArgumentException("Array too small for allocation type.");
+                }
             }
-            usePadding = true;
-            sizeBytes = dataSize;
-        } else {
-            if (dataSize > sizeBytes) {
-                throw new RSIllegalArgumentException("Array too small for allocation type.");
-            }
+            mRS.nAllocationRead3D(getIDSafe(), xoff, yoff, zoff, mSelectedLOD, w, h, d,
+                                  array, sizeBytes, dt, mType.mElement.mType.mSize, usePadding);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        mRS.nAllocationRead3D(getIDSafe(), xoff, yoff, zoff, mSelectedLOD, w, h, d,
-                              array, sizeBytes, dt, mType.mElement.mType.mSize, usePadding);
-        Trace.traceEnd(RenderScript.TRACE_TAG);
     }
 
     /*
@@ -1815,17 +1876,20 @@
      *              utilized
      */
     static public Allocation createTyped(RenderScript rs, Type type, MipmapControl mips, int usage) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "createTyped");
-        rs.validate();
-        if (type.getID(rs) == 0) {
-            throw new RSInvalidStateException("Bad Type");
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "createTyped");
+            rs.validate();
+            if (type.getID(rs) == 0) {
+                throw new RSInvalidStateException("Bad Type");
+            }
+            long id = rs.nAllocationCreateTyped(type.getID(rs), mips.mID, usage, 0);
+            if (id == 0) {
+                throw new RSRuntimeException("Allocation creation failed.");
+            }
+            return new Allocation(id, rs, type, usage);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        long id = rs.nAllocationCreateTyped(type.getID(rs), mips.mID, usage, 0);
-        if (id == 0) {
-            throw new RSRuntimeException("Allocation creation failed.");
-        }
-        Trace.traceEnd(RenderScript.TRACE_TAG);
-        return new Allocation(id, rs, type, usage);
     }
 
     /**
@@ -1869,18 +1933,21 @@
      */
     static public Allocation createSized(RenderScript rs, Element e,
                                          int count, int usage) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "createSized");
-        rs.validate();
-        Type.Builder b = new Type.Builder(rs, e);
-        b.setX(count);
-        Type t = b.create();
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "createSized");
+            rs.validate();
+            Type.Builder b = new Type.Builder(rs, e);
+            b.setX(count);
+            Type t = b.create();
 
-        long id = rs.nAllocationCreateTyped(t.getID(rs), MipmapControl.MIPMAP_NONE.mID, usage, 0);
-        if (id == 0) {
-            throw new RSRuntimeException("Allocation creation failed.");
+            long id = rs.nAllocationCreateTyped(t.getID(rs), MipmapControl.MIPMAP_NONE.mID, usage, 0);
+            if (id == 0) {
+                throw new RSRuntimeException("Allocation creation failed.");
+            }
+            return new Allocation(id, rs, t, usage);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-        Trace.traceEnd(RenderScript.TRACE_TAG);
-        return new Allocation(id, rs, t, usage);
     }
 
     /**
@@ -1939,44 +2006,47 @@
     static public Allocation createFromBitmap(RenderScript rs, Bitmap b,
                                               MipmapControl mips,
                                               int usage) {
-        Trace.traceBegin(RenderScript.TRACE_TAG, "createFromBitmap");
-        rs.validate();
+        try {
+            Trace.traceBegin(RenderScript.TRACE_TAG, "createFromBitmap");
+            rs.validate();
 
-        // WAR undocumented color formats
-        if (b.getConfig() == null) {
-            if ((usage & USAGE_SHARED) != 0) {
-                throw new RSIllegalArgumentException("USAGE_SHARED cannot be used with a Bitmap that has a null config.");
+            // WAR undocumented color formats
+            if (b.getConfig() == null) {
+                if ((usage & USAGE_SHARED) != 0) {
+                    throw new RSIllegalArgumentException("USAGE_SHARED cannot be used with a Bitmap that has a null config.");
+                }
+                Bitmap newBitmap = Bitmap.createBitmap(b.getWidth(), b.getHeight(), Bitmap.Config.ARGB_8888);
+                Canvas c = new Canvas(newBitmap);
+                c.drawBitmap(b, 0, 0, null);
+                return createFromBitmap(rs, newBitmap, mips, usage);
             }
-            Bitmap newBitmap = Bitmap.createBitmap(b.getWidth(), b.getHeight(), Bitmap.Config.ARGB_8888);
-            Canvas c = new Canvas(newBitmap);
-            c.drawBitmap(b, 0, 0, null);
-            return createFromBitmap(rs, newBitmap, mips, usage);
-        }
 
-        Type t = typeFromBitmap(rs, b, mips);
+            Type t = typeFromBitmap(rs, b, mips);
 
-        // enable optimized bitmap path only with no mipmap and script-only usage
-        if (mips == MipmapControl.MIPMAP_NONE &&
-            t.getElement().isCompatible(Element.RGBA_8888(rs)) &&
-            usage == (USAGE_SHARED | USAGE_SCRIPT | USAGE_GRAPHICS_TEXTURE)) {
-            long id = rs.nAllocationCreateBitmapBackedAllocation(t.getID(rs), mips.mID, b, usage);
+            // enable optimized bitmap path only with no mipmap and script-only usage
+            if (mips == MipmapControl.MIPMAP_NONE &&
+                 t.getElement().isCompatible(Element.RGBA_8888(rs)) &&
+                 usage == (USAGE_SHARED | USAGE_SCRIPT | USAGE_GRAPHICS_TEXTURE)) {
+                long id = rs.nAllocationCreateBitmapBackedAllocation(t.getID(rs), mips.mID, b, usage);
+                if (id == 0) {
+                    throw new RSRuntimeException("Load failed.");
+                }
+
+                // keep a reference to the Bitmap around to prevent GC
+                Allocation alloc = new Allocation(id, rs, t, usage);
+                alloc.setBitmap(b);
+                return alloc;
+            }
+
+
+            long id = rs.nAllocationCreateFromBitmap(t.getID(rs), mips.mID, b, usage);
             if (id == 0) {
                 throw new RSRuntimeException("Load failed.");
             }
-
-            // keep a reference to the Bitmap around to prevent GC
-            Allocation alloc = new Allocation(id, rs, t, usage);
-            alloc.setBitmap(b);
-            return alloc;
+            return new Allocation(id, rs, t, usage);
+        } finally {
+            Trace.traceEnd(RenderScript.TRACE_TAG);
         }
-
-
-        long id = rs.nAllocationCreateFromBitmap(t.getID(rs), mips.mID, b, usage);
-        if (id == 0) {
-            throw new RSRuntimeException("Load failed.");
-        }
-        Trace.traceEnd(RenderScript.TRACE_TAG);
-        return new Allocation(id, rs, t, usage);
     }
 
     /**
diff --git a/rs/java/android/renderscript/ScriptGroup.java b/rs/java/android/renderscript/ScriptGroup.java
index d1a12f9..82d9a2f 100644
--- a/rs/java/android/renderscript/ScriptGroup.java
+++ b/rs/java/android/renderscript/ScriptGroup.java
@@ -131,28 +131,16 @@
 
             int i;
             for (i = 0; i < args.length; i++) {
-                Object obj = args[i];
                 fieldIDs[i] = 0;
-                if (obj instanceof Input) {
-                    Input unbound = (Input)obj;
-                    unbound.addReference(this, i);
-                } else {
-                    retrieveValueAndDependenceInfo(rs, i, args[i], values, sizes,
-                                                   depClosures, depFieldIDs);
-                }
+                retrieveValueAndDependenceInfo(rs, i, null, args[i],
+                                               values, sizes, depClosures, depFieldIDs);
             }
-
             for (Map.Entry<Script.FieldID, Object> entry : globals.entrySet()) {
                 Object obj = entry.getValue();
                 Script.FieldID fieldID = entry.getKey();
                 fieldIDs[i] = fieldID.getID(rs);
-                if (obj instanceof Input) {
-                    Input unbound = (Input)obj;
-                    unbound.addReference(this, fieldID);
-                } else {
-                    retrieveValueAndDependenceInfo(rs, i, obj, values,
-                                                   sizes, depClosures, depFieldIDs);
-                }
+                retrieveValueAndDependenceInfo(rs, i, fieldID, obj,
+                                               values, sizes, depClosures, depFieldIDs);
                 i++;
             }
 
@@ -184,13 +172,8 @@
                 Object obj = entry.getValue();
                 Script.FieldID fieldID = entry.getKey();
                 fieldIDs[i] = fieldID.getID(rs);
-                if (obj instanceof Input) {
-                    Input unbound = (Input)obj;
-                    unbound.addReference(this, fieldID);
-                } else {
-                    retrieveValueAndDependenceInfo(rs, i, obj, values,
-                                                   sizes, depClosures, depFieldIDs);
-                }
+                retrieveValueAndDependenceInfo(rs, i, fieldID, obj, values,
+                                               sizes, depClosures, depFieldIDs);
                 i++;
             }
 
@@ -200,9 +183,8 @@
             setID(id);
         }
 
-        private static
-                void retrieveValueAndDependenceInfo(RenderScript rs,
-                                                    int index, Object obj,
+        private void retrieveValueAndDependenceInfo(RenderScript rs,
+                                                    int index, Script.FieldID fid, Object obj,
                                                     long[] values, int[] sizes,
                                                     long[] depClosures,
                                                     long[] depFieldIDs) {
@@ -213,20 +195,25 @@
                 depClosures[index] = f.getClosure().getID(rs);
                 Script.FieldID fieldID = f.getFieldID();
                 depFieldIDs[index] = fieldID != null ? fieldID.getID(rs) : 0;
-                if (obj == null) {
-                    // Value is originally created by the owner closure
-                    values[index] = 0;
-                    sizes[index] = 0;
-                    return;
-                }
             } else {
                 depClosures[index] = 0;
                 depFieldIDs[index] = 0;
             }
 
-            ValueAndSize vs = new ValueAndSize(rs, obj);
-            values[index] = vs.value;
-            sizes[index] = vs.size;
+            if (obj instanceof Input) {
+                Input unbound = (Input)obj;
+                if (index < mArgs.length) {
+                    unbound.addReference(this, index);
+                } else {
+                    unbound.addReference(this, fid);
+                }
+                values[index] = 0;
+                sizes[index] = 0;
+            } else {
+                ValueAndSize vs = new ValueAndSize(rs, obj);
+                values[index] = vs.value;
+                sizes[index] = vs.size;
+            }
         }
 
         /**
@@ -258,7 +245,11 @@
                 // without an associated value (reference). So this is not working for
                 // cross-module (cross-script) linking in this case where a field not
                 // explicitly bound.
-                f = new Future(this, field, mBindings.get(field));
+                Object obj = mBindings.get(field);
+                if (obj instanceof Future) {
+                    obj = ((Future)obj).getValue();
+                }
+                f = new Future(this, field, obj);
                 mGlobalFuture.put(field, f);
             }
 
@@ -266,12 +257,18 @@
         }
 
         void setArg(int index, Object obj) {
+            if (obj instanceof Future) {
+                obj = ((Future)obj).getValue();
+            }
             mArgs[index] = obj;
             ValueAndSize vs = new ValueAndSize(mRS, obj);
             mRS.nClosureSetArg(getID(mRS), index, vs.value, vs.size);
         }
 
         void setGlobal(Script.FieldID fieldID, Object obj) {
+            if (obj instanceof Future) {
+                obj = ((Future)obj).getValue();
+            }
             mBindings.put(fieldID, obj);
             ValueAndSize vs = new ValueAndSize(mRS, obj);
             mRS.nClosureSetGlobal(getID(mRS), fieldID.getID(mRS), vs.value, vs.size);
@@ -344,6 +341,7 @@
         // -1 means unset. Legal values are 0 .. n-1, where n is the number of
         // arguments for the referencing closure.
         List<Pair<Closure, Integer>> mArgIndex;
+        Object mValue;
 
         Input() {
             mFieldID = new ArrayList<Pair<Closure, Script.FieldID>>();
@@ -359,6 +357,7 @@
         }
 
         void set(Object value) {
+            mValue = value;
             for (Pair<Closure, Integer> p : mArgIndex) {
                 Closure closure = p.first;
                 int index = p.second.intValue();
@@ -370,6 +369,8 @@
                 closure.setGlobal(fieldID, value);
             }
         }
+
+        Object get() { return mValue; }
     }
 
     private String mName;
@@ -434,7 +435,11 @@
         Object[] outputObjs = new Object[mOutputs2.length];
         int i = 0;
         for (Future f : mOutputs2) {
-            outputObjs[i++] = f.getValue();
+            Object output = f.getValue();
+            if (output instanceof Input) {
+                output = ((Input)output).get();
+            }
+            outputObjs[i++] = output;
         }
         return outputObjs;
     }
@@ -592,7 +597,8 @@
                 Node n = mNodes.get(ct);
                 if (n.mInputs.size() == 0) {
                     if (n.mOutputs.size() == 0 && mNodes.size() > 1) {
-                        throw new RSInvalidStateException("Groups cannot contain unconnected scripts");
+                        String msg = "Groups cannot contain unconnected scripts";
+                        throw new RSInvalidStateException(msg);
                     }
                     validateDAGRecurse(n, ct+1);
                 }
diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java
index 63bbf24..af83a53 100644
--- a/services/backup/java/com/android/server/backup/BackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/BackupManagerService.java
@@ -4411,6 +4411,8 @@
      * to perform one app backup per scheduled job execution, and to reschedule the job
      * with zero latency as long as conditions remain right and we still have work to do.
      *
+     * <p>This is the "start a full backup operation" entry point called by the scheduled job.
+     *
      * @return Whether ongoing work will continue.  The return value here will be passed
      *         along as the return value to the scheduled job's onStartJob() callback.
      */
@@ -4430,6 +4432,14 @@
             return false;
         }
 
+        // Don't run the backup if we're in battery saver mode, but reschedule
+        // to try again in the not-so-distant future.
+        if (mPowerManager.isPowerSaveMode()) {
+            if (DEBUG) Slog.i(TAG, "Deferring scheduled full backups in battery saver mode");
+            FullBackupJob.schedule(mContext, KeyValueBackupJob.BATCH_INTERVAL);
+            return false;
+        }
+
         if (DEBUG_SCHEDULING) {
             Slog.i(TAG, "Beginning scheduled full backup operation");
         }
@@ -8515,18 +8525,23 @@
     public void backupNow() {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP, "backupNow");
 
-        if (DEBUG) Slog.v(TAG, "Scheduling immediate backup pass");
-        synchronized (mQueueLock) {
-            // Fire the intent that kicks off the whole shebang...
-            try {
-                mRunBackupIntent.send();
-            } catch (PendingIntent.CanceledException e) {
-                // should never happen
-                Slog.e(TAG, "run-backup intent cancelled!");
-            }
+        if (mPowerManager.isPowerSaveMode()) {
+            if (DEBUG) Slog.v(TAG, "Not running backup while in battery save mode");
+            KeyValueBackupJob.schedule(mContext);   // try again in several hours
+        } else {
+            if (DEBUG) Slog.v(TAG, "Scheduling immediate backup pass");
+            synchronized (mQueueLock) {
+                // Fire the intent that kicks off the whole shebang...
+                try {
+                    mRunBackupIntent.send();
+                } catch (PendingIntent.CanceledException e) {
+                    // should never happen
+                    Slog.e(TAG, "run-backup intent cancelled!");
+                }
 
-            // ...and cancel any pending scheduled job, because we've just superseded it
-            KeyValueBackupJob.cancel(mContext);
+                // ...and cancel any pending scheduled job, because we've just superseded it
+                KeyValueBackupJob.cancel(mContext);
+            }
         }
     }
 
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 2e4b881..99c4eda 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -908,14 +908,14 @@
             // network is blocked; clone and override state
             info = new NetworkInfo(info);
             info.setDetailedState(DetailedState.BLOCKED, null, null);
-            if (DBG) {
+            if (VDBG) {
                 log("returning Blocked NetworkInfo for ifname=" +
                         lp.getInterfaceName() + ", uid=" + uid);
             }
         }
         if (info != null && mLockdownTracker != null) {
             info = mLockdownTracker.augmentNetworkInfo(info);
-            if (DBG) log("returning Locked NetworkInfo");
+            if (VDBG) log("returning Locked NetworkInfo");
         }
         return info;
     }
@@ -1661,6 +1661,12 @@
     }
 
     private static final String DEFAULT_TCP_BUFFER_SIZES = "4096,87380,110208,4096,16384,110208";
+    private static final String DEFAULT_TCP_RWND_KEY = "net.tcp.default_init_rwnd";
+
+    // Overridden for testing purposes to avoid writing to SystemProperties.
+    protected int getDefaultTcpRwnd() {
+        return SystemProperties.getInt(DEFAULT_TCP_RWND_KEY, 0);
+    }
 
     private void updateTcpBufferSizes(NetworkAgentInfo nai) {
         if (isDefaultNetwork(nai) == false) {
@@ -1696,10 +1702,8 @@
             loge("Can't set TCP buffer sizes:" + e);
         }
 
-        final String defaultRwndKey = "net.tcp.default_init_rwnd";
-        int defaultRwndValue = SystemProperties.getInt(defaultRwndKey, 0);
         Integer rwndValue = Settings.Global.getInt(mContext.getContentResolver(),
-            Settings.Global.TCP_DEFAULT_INIT_RWND, defaultRwndValue);
+            Settings.Global.TCP_DEFAULT_INIT_RWND, getDefaultTcpRwnd());
         final String sysctlKey = "sys.sysctl.tcp_def_init_rwnd";
         if (rwndValue != 0) {
             SystemProperties.set(sysctlKey, rwndValue.toString());
@@ -4505,7 +4509,7 @@
             info.setDetailedState(DetailedState.CONNECTED, null, info.getExtraInfo());
             sendConnectedBroadcast(info);
         } else {
-            info.setDetailedState(DetailedState.DISCONNECTED, null, info.getExtraInfo());
+            info.setDetailedState(DetailedState.DISCONNECTED, info.getReason(), info.getExtraInfo());
             Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION);
             intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, info);
             intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType());
diff --git a/services/core/java/com/android/server/EventLogTags.logtags b/services/core/java/com/android/server/EventLogTags.logtags
index c01d816..49d4c22 100644
--- a/services/core/java/com/android/server/EventLogTags.logtags
+++ b/services/core/java/com/android/server/EventLogTags.logtags
@@ -75,6 +75,8 @@
 27530 notification_canceled (key|3),(reason|1),(lifespan|1),(freshness|1),(exposure|1)
 # replaces 27510 with a row per notification
 27531 notification_visibility (key|3),(visibile|1),(lifespan|1),(freshness|1)
+# a notification emited noise, vibration, or light
+27532 notification_alert (key|3),(buzz|1),(beep|1),(blink|1)
 
 # ---------------------------
 # Watchdog.java
diff --git a/services/core/java/com/android/server/InputMethodManagerService.java b/services/core/java/com/android/server/InputMethodManagerService.java
index 0513d8b..69405cf 100644
--- a/services/core/java/com/android/server/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/InputMethodManagerService.java
@@ -428,19 +428,39 @@
     private final IPackageManager mIPackageManager;
 
     class SettingsObserver extends ContentObserver {
+        int mUserId;
+        boolean mRegistered = false;
         String mLastEnabled = "";
 
+        /**
+         * <em>This constructor must be called within the lock.</em>
+         */
         SettingsObserver(Handler handler) {
             super(handler);
+        }
+
+        public void registerContentObserverLocked(int userId) {
+            if (mRegistered && mUserId == userId) {
+                return;
+            }
             ContentResolver resolver = mContext.getContentResolver();
+            if (mRegistered) {
+                mContext.getContentResolver().unregisterContentObserver(this);
+                mRegistered = false;
+            }
+            if (mUserId != userId) {
+                mLastEnabled = "";
+                mUserId = userId;
+            }
             resolver.registerContentObserver(Settings.Secure.getUriFor(
-                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this);
+                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this, userId);
             resolver.registerContentObserver(Settings.Secure.getUriFor(
-                    Settings.Secure.ENABLED_INPUT_METHODS), false, this);
+                    Settings.Secure.ENABLED_INPUT_METHODS), false, this, userId);
             resolver.registerContentObserver(Settings.Secure.getUriFor(
-                    Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this);
+                    Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this, userId);
             resolver.registerContentObserver(Settings.Secure.getUriFor(
-                    Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this);
+                    Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD), false, this, userId);
+            mRegistered = true;
         }
 
         @Override public void onChange(boolean selfChange, Uri uri) {
@@ -460,6 +480,12 @@
                 }
             }
         }
+
+        @Override
+        public String toString() {
+            return "SettingsObserver{mUserId=" + mUserId + " mRegistered=" + mRegistered
+                    + " mLastEnabled=" + mLastEnabled + "}";
+        }
     }
 
     class ImmsBroadcastReceiver extends android.content.BroadcastReceiver {
@@ -756,6 +782,8 @@
         mContext = context;
         mRes = context.getResources();
         mHandler = new Handler(this);
+        // Note: SettingsObserver doesn't register observers in its constructor.
+        mSettingsObserver = new SettingsObserver(mHandler);
         mIWindowManager = IWindowManager.Stub.asInterface(
                 ServiceManager.getService(Context.WINDOW_SERVICE));
         mCaller = new HandlerCaller(context, null, new HandlerCaller.Callback() {
@@ -860,8 +888,8 @@
             }
         }
 
-        mSettingsObserver = new SettingsObserver(mHandler);
         synchronized (mMethodMap) {
+            mSettingsObserver.registerContentObserverLocked(userId);
             updateFromSettingsLocked(true);
         }
 
@@ -963,6 +991,8 @@
         if (DEBUG) Slog.d(TAG, "Switching user stage 1/3. newUserId=" + newUserId
                 + " currentUserId=" + mSettings.getCurrentUserId());
 
+        // ContentObserver should be registered again when the user is changed
+        mSettingsObserver.registerContentObserverLocked(newUserId);
         mSettings.setCurrentUserId(newUserId);
         updateCurrentProfileIds();
         // InputMethodFileManager should be reset when the user is changed
@@ -3713,6 +3743,7 @@
             p.println("  mCurUserActionNotificationSequenceNumber="
                     + mCurUserActionNotificationSequenceNumber);
             p.println("  mSystemReady=" + mSystemReady + " mInteractive=" + mScreenOn);
+            p.println("  mSettingsObserver=" + mSettingsObserver);
             p.println("  mSwitchingController:");
             mSwitchingController.dump(p);
         }
diff --git a/services/core/java/com/android/server/MountService.java b/services/core/java/com/android/server/MountService.java
index d48953d..8c8be4e 100644
--- a/services/core/java/com/android/server/MountService.java
+++ b/services/core/java/com/android/server/MountService.java
@@ -180,6 +180,7 @@
     private static final String TAG_STORAGE_BENCHMARK = "storage_benchmark";
 
     private static final String VOLD_TAG = "VoldConnector";
+    private static final String CRYPTD_TAG = "CryptdConnector";
 
     /** Maximum number of ASEC containers allowed to be mounted. */
     private static final int MAX_CONTAINERS = 250;
@@ -367,6 +368,7 @@
 
     private final Context mContext;
     private final NativeDaemonConnector mConnector;
+    private final NativeDaemonConnector mCryptConnector;
 
     private volatile boolean mSystemReady = false;
     private volatile boolean mDaemonConnected = false;
@@ -375,7 +377,8 @@
 
     private final Callbacks mCallbacks;
 
-    private final CountDownLatch mConnectedSignal = new CountDownLatch(1);
+    // Two connectors - mConnector & mCryptConnector
+    private final CountDownLatch mConnectedSignal = new CountDownLatch(2);
     private final CountDownLatch mAsecsScanned = new CountDownLatch(1);
 
     private final Object mUnmountLock = new Object();
@@ -754,6 +757,10 @@
          * the hounds!
          */
         mConnectedSignal.countDown();
+        if (mConnectedSignal.getCount() != 0) {
+            // More daemons need to connect
+            return;
+        }
 
         // On an encrypted device we can't see system properties yet, so pull
         // the system locale out of the mount service.
@@ -1186,6 +1193,7 @@
          * amount of containers we'd ever expect to have. This keeps an
          * "asec list" from blocking a thread repeatedly.
          */
+
         mConnector = new NativeDaemonConnector(this, "vold", MAX_CONTAINERS * 2, VOLD_TAG, 25,
                 null);
         mConnector.setDebug(true);
@@ -1193,6 +1201,14 @@
         Thread thread = new Thread(mConnector, VOLD_TAG);
         thread.start();
 
+        // Reuse parameters from first connector since they are tested and safe
+        mCryptConnector = new NativeDaemonConnector(this, "cryptd",
+                MAX_CONTAINERS * 2, CRYPTD_TAG, 25, null);
+        mCryptConnector.setDebug(true);
+
+        Thread crypt_thread = new Thread(mCryptConnector, CRYPTD_TAG);
+        crypt_thread.start();
+
         // Add ourself to the Watchdog monitors if enabled.
         if (WATCHDOG_ENABLE) {
             Watchdog.getInstance().addMonitor(this);
@@ -2049,7 +2065,7 @@
 
         final NativeDaemonEvent event;
         try {
-            event = mConnector.execute("cryptfs", "cryptocomplete");
+            event = mCryptConnector.execute("cryptfs", "cryptocomplete");
             return Integer.parseInt(event.getMessage());
         } catch (NumberFormatException e) {
             // Bad result - unexpected.
@@ -2096,7 +2112,7 @@
 
         final NativeDaemonEvent event;
         try {
-            event = mConnector.execute("cryptfs", "checkpw", new SensitiveArg(toHex(password)));
+            event = mCryptConnector.execute("cryptfs", "checkpw", new SensitiveArg(toHex(password)));
 
             final int code = Integer.parseInt(event.getMessage());
             if (code == 0) {
@@ -2105,7 +2121,7 @@
                 mHandler.postDelayed(new Runnable() {
                     public void run() {
                         try {
-                            mConnector.execute("cryptfs", "restart");
+                            mCryptConnector.execute("cryptfs", "restart");
                         } catch (NativeDaemonConnectorException e) {
                             Slog.e(TAG, "problem executing in background", e);
                         }
@@ -2135,7 +2151,7 @@
         }
 
         try {
-            mConnector.execute("cryptfs", "enablecrypto", "inplace", CRYPTO_TYPES[type],
+            mCryptConnector.execute("cryptfs", "enablecrypto", "inplace", CRYPTO_TYPES[type],
                                new SensitiveArg(toHex(password)));
         } catch (NativeDaemonConnectorException e) {
             // Encryption failed
@@ -2160,7 +2176,7 @@
         }
 
         try {
-            NativeDaemonEvent event = mConnector.execute("cryptfs", "changepw", CRYPTO_TYPES[type],
+            NativeDaemonEvent event = mCryptConnector.execute("cryptfs", "changepw", CRYPTO_TYPES[type],
                         new SensitiveArg(toHex(password)));
             return Integer.parseInt(event.getMessage());
         } catch (NativeDaemonConnectorException e) {
@@ -2194,7 +2210,7 @@
 
         final NativeDaemonEvent event;
         try {
-            event = mConnector.execute("cryptfs", "verifypw", new SensitiveArg(toHex(password)));
+            event = mCryptConnector.execute("cryptfs", "verifypw", new SensitiveArg(toHex(password)));
             Slog.i(TAG, "cryptfs verifypw => " + event.getMessage());
             return Integer.parseInt(event.getMessage());
         } catch (NativeDaemonConnectorException e) {
@@ -2214,7 +2230,7 @@
 
         final NativeDaemonEvent event;
         try {
-            event = mConnector.execute("cryptfs", "getpwtype");
+            event = mCryptConnector.execute("cryptfs", "getpwtype");
             for (int i = 0; i < CRYPTO_TYPES.length; ++i) {
                 if (CRYPTO_TYPES[i].equals(event.getMessage()))
                     return i;
@@ -2238,7 +2254,7 @@
 
         final NativeDaemonEvent event;
         try {
-            event = mConnector.execute("cryptfs", "setfield", field, contents);
+            event = mCryptConnector.execute("cryptfs", "setfield", field, contents);
         } catch (NativeDaemonConnectorException e) {
             throw e.rethrowAsParcelableException();
         }
@@ -2257,7 +2273,7 @@
         final NativeDaemonEvent event;
         try {
             final String[] contents = NativeDaemonEvent.filterMessageList(
-                    mConnector.executeForList("cryptfs", "getfield", field),
+                    mCryptConnector.executeForList("cryptfs", "getfield", field),
                     VoldResponseCode.CryptfsGetfieldResult);
             String result = new String();
             for (String content : contents) {
@@ -2279,7 +2295,7 @@
 
         final NativeDaemonEvent event;
         try {
-            event = mConnector.execute("cryptfs", "getpw");
+            event = mCryptConnector.execute("cryptfs", "getpw");
             if ("-1".equals(event.getMessage())) {
                 // -1 equals no password
                 return null;
@@ -2301,7 +2317,7 @@
 
         final NativeDaemonEvent event;
         try {
-            event = mConnector.execute("cryptfs", "clearpw");
+            event = mCryptConnector.execute("cryptfs", "clearpw");
         } catch (NativeDaemonConnectorException e) {
             throw e.rethrowAsParcelableException();
         }
@@ -3114,5 +3130,8 @@
         if (mConnector != null) {
             mConnector.monitor();
         }
+        if (mCryptConnector != null) {
+            mCryptConnector.monitor();
+        }
     }
 }
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 81b8457..efc38e2 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -39,13 +39,13 @@
 import android.Manifest;
 import android.app.AppOpsManager;
 import android.app.ApplicationThreadNative;
-import android.app.AssistContent;
-import android.app.AssistStructure;
 import android.app.IActivityContainer;
 import android.app.IActivityContainerCallback;
 import android.app.IAppTask;
 import android.app.ITaskStackListener;
 import android.app.ProfilerInfo;
+import android.app.assist.AssistContent;
+import android.app.assist.AssistStructure;
 import android.app.usage.UsageEvents;
 import android.app.usage.UsageStatsManagerInternal;
 import android.appwidget.AppWidgetManager;
@@ -3613,6 +3613,26 @@
         return procState;
     }
 
+    @Override
+    public boolean setProcessMemoryTrimLevel(String process, int userId, int level) {
+        ProcessRecord app = getProcessRecordLocked(process, userId, true);
+        if (app == null) {
+            return false;
+        }
+        if (app.trimMemoryLevel < level && app.thread != null &&
+                (level < ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN ||
+                        app.trimMemoryLevel >= ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN)) {
+            try {
+                app.thread.scheduleTrimMemory(level);
+                app.trimMemoryLevel = level;
+                return true;
+            } catch (RemoteException e) {
+                // Fallthrough to failure case.
+            }
+        }
+        return false;
+    }
+
     private void dispatchProcessesChanged() {
         int N;
         synchronized (this) {
diff --git a/services/core/java/com/android/server/connectivity/NetworkMonitor.java b/services/core/java/com/android/server/connectivity/NetworkMonitor.java
index bf896a5..fc50e2c 100644
--- a/services/core/java/com/android/server/connectivity/NetworkMonitor.java
+++ b/services/core/java/com/android/server/connectivity/NetworkMonitor.java
@@ -32,6 +32,7 @@
 import android.net.wifi.WifiManager;
 import android.os.Handler;
 import android.os.Message;
+import android.os.Process;
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.os.UserHandle;
@@ -48,6 +49,7 @@
 import android.telephony.TelephonyManager;
 import android.util.Log;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.util.Protocol;
 import com.android.internal.util.State;
 import com.android.internal.util.StateMachine;
@@ -177,8 +179,8 @@
     private static final int CMD_LAUNCH_CAPTIVE_PORTAL_APP = BASE + 11;
 
     private static final String LINGER_DELAY_PROPERTY = "persist.netmon.linger";
-    // Default to 30s linger time-out.
-    private static final int DEFAULT_LINGER_DELAY_MS = 30000;
+    // Default to 30s linger time-out.  Modifyable only for testing.
+    private static int DEFAULT_LINGER_DELAY_MS = 30000;
     private final int mLingerDelayMs;
     private int mLingerToken = 0;
 
@@ -771,4 +773,13 @@
         mContext.sendBroadcastAsUser(latencyBroadcast, UserHandle.CURRENT,
                 PERMISSION_ACCESS_NETWORK_CONDITIONS);
     }
+
+    // Allow tests to override linger time.
+    @VisibleForTesting
+    public static void SetDefaultLingerTime(int time_ms) {
+        if (Process.myUid() == Process.SYSTEM_UID) {
+            throw new SecurityException("SetDefaultLingerTime only for internal testing.");
+        }
+        DEFAULT_LINGER_DELAY_MS = time_ms;
+    }
 }
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 2d15d13..72383a8 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -625,12 +625,6 @@
         @Override
         public void onNotificationVisibilityChanged(
                 String[] newlyVisibleKeys, String[] noLongerVisibleKeys) {
-            // Using ';' as separator since eventlogs uses ',' to separate
-            // args.
-            // TODO remove this: b/21248682
-            EventLogTags.writeNotificationVisibilityChanged(
-                    TextUtils.join(";", newlyVisibleKeys),
-                    TextUtils.join(";", noLongerVisibleKeys));
             synchronized (mNotificationList) {
                 for (String key : newlyVisibleKeys) {
                     NotificationRecord r = mNotificationsByKey.get(key);
@@ -2261,7 +2255,10 @@
     }
 
     private void buzzBeepBlinkLocked(NotificationRecord record) {
-        boolean buzzBeepBlinked = false;
+        boolean buzz = false;
+        boolean beep = false;
+        boolean blink = false;
+
         final Notification notification = record.sbn.getNotification();
 
         // Should this notification make noise, vibe, or use the LED?
@@ -2343,7 +2340,7 @@
                                     + " with attributes " + audioAttributes);
                             player.playAsync(soundUri, record.sbn.getUser(), looping,
                                     audioAttributes);
-                            buzzBeepBlinked = true;
+                            beep = true;
                         }
                     } catch (RemoteException e) {
                     } finally {
@@ -2383,7 +2380,7 @@
                                 : mFallbackVibrationPattern,
                             ((notification.flags & Notification.FLAG_INSISTENT) != 0)
                                 ? 0: -1, audioAttributesForNotification(notification));
-                        buzzBeepBlinked = true;
+                        buzz = true;
                     } finally {
                         Binder.restoreCallingIdentity(identity);
                     }
@@ -2394,7 +2391,7 @@
                             notification.vibrate,
                         ((notification.flags & Notification.FLAG_INSISTENT) != 0)
                                 ? 0: -1, audioAttributesForNotification(notification));
-                    buzzBeepBlinked = true;
+                    buzz = true;
                 }
             }
         }
@@ -2408,11 +2405,13 @@
             if (mUseAttentionLight) {
                 mAttentionLight.pulse();
             }
-            buzzBeepBlinked = true;
+            blink = true;
         } else if (wasShowLights) {
             updateLightsLocked();
         }
-        if (buzzBeepBlinked) {
+        if (buzz || beep || blink) {
+            EventLogTags.writeNotificationAlert(record.getKey(),
+                    buzz ? 1 : 0, beep ? 1 : 0, blink ? 1 : 0);
             mHandler.post(mBuzzBeepBlinked);
         }
     }
diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index dcf668d..1cec750 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -52,6 +52,7 @@
 import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.os.RemoteException;
+import android.os.SELinux;
 import android.os.UserHandle;
 import android.system.ErrnoException;
 import android.system.Os;
@@ -77,6 +78,7 @@
 import java.io.FileDescriptor;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -163,6 +165,8 @@
     private final List<File> mResolvedStagedFiles = new ArrayList<>();
     @GuardedBy("mLock")
     private final List<File> mResolvedInheritedFiles = new ArrayList<>();
+    @GuardedBy("mLock")
+    private File mInheritedFilesBase;
 
     private final Handler.Callback mHandlerCallback = new Handler.Callback() {
         @Override
@@ -511,8 +515,13 @@
                 final List<File> fromFiles = mResolvedInheritedFiles;
                 final File toDir = resolveStageDir();
 
+                if (LOGD) Slog.d(TAG, "Inherited files: " + mResolvedInheritedFiles);
+                if (!mResolvedInheritedFiles.isEmpty() && mInheritedFilesBase == null) {
+                    throw new IllegalStateException("mInheritedFilesBase == null");
+                }
+
                 if (isLinkPossible(fromFiles, toDir)) {
-                    linkFiles(fromFiles, toDir);
+                    createDirsAndLinkFiles(fromFiles, toDir, mInheritedFilesBase);
                 } else {
                     // TODO: this should delegate to DCS so the system process
                     // avoids holding open FDs into containers.
@@ -690,6 +699,31 @@
                     }
                 }
             }
+
+            // Inherit compiled oat directory.
+            final File packageInstallDir = (new File(app.getBaseCodePath())).getParentFile();
+            mInheritedFilesBase = packageInstallDir;
+            final File oatDir = new File(packageInstallDir, "oat");
+            if (oatDir.exists()) {
+                final File[] archSubdirs = oatDir.listFiles();
+                // Only add "oatDir" if it contains arch specific subdirs.
+                if (archSubdirs != null && archSubdirs.length > 0) {
+                    mResolvedInheritedFiles.add(oatDir);
+                }
+                final String[] instructionSets = InstructionSets.getAllDexCodeInstructionSets();
+                for (File archSubDir : archSubdirs) {
+                    // Skip any directory that isn't an ISA subdir.
+                    if (!ArrayUtils.contains(instructionSets, archSubDir.getName())) {
+                        continue;
+                    }
+
+                    List<File> oatFiles = Arrays.asList(archSubDir.listFiles());
+                    if (!oatFiles.isEmpty()) {
+                        mResolvedInheritedFiles.add(archSubDir);
+                        mResolvedInheritedFiles.addAll(oatFiles);
+                    }
+                }
+            }
         }
     }
 
@@ -768,14 +802,69 @@
         return true;
     }
 
-    private static void linkFiles(List<File> fromFiles, File toDir) throws IOException {
+    /**
+     * Reparents the path of {@code file} from {@code oldBase} to {@code newBase}. {@code file}
+     * must necessarily be a subpath of {@code oldBase}. It is an error for {@code file} to have
+     * relative path components such as {@code "."} or {@code ".."}. For example, for we will
+     * reparent {@code /foo/bar/baz} to {@code /foo2/bar/baz} if {@code oldBase} was {@code /foo}
+     * and {@code newBase} was {@code /foo2}.
+     */
+    private static File reparentPath(File file, File oldBase, File newBase) throws IOException {
+        final String oldBaseStr = oldBase.getAbsolutePath();
+        final String pathStr = file.getAbsolutePath();
+
+        // Don't allow relative paths.
+        if (pathStr.contains("/.") ) {
+            throw new IOException("Invalid path (was relative) : " + pathStr);
+        }
+
+        if (pathStr.startsWith(oldBaseStr)) {
+            final String relative = pathStr.substring(oldBaseStr.length());
+            return new File(newBase, relative);
+        }
+
+        throw new IOException("File: " + pathStr + " outside base: " + oldBaseStr);
+    }
+
+    /**
+     * Recreates a directory and file structure, specified by a list of files {@code fromFiles}
+     * which are subpaths of {@code fromDir} to {@code toDir}. Directories are created with the
+     * same permissions, and regular files are linked.
+     *
+     * TODO: Move this function to installd so that the system process doesn't have to
+     * manipulate / relabel directories.
+     */
+    private static void createDirsAndLinkFiles(List<File> fromFiles, File toDir, File fromDir)
+            throws IOException {
         for (File fromFile : fromFiles) {
-            final File toFile = new File(toDir, fromFile.getName());
+            final File toFile = reparentPath(fromFile, fromDir, toDir);
+            final StructStat stat;
             try {
-                if (LOGD) Slog.d(TAG, "Linking " + fromFile + " to " + toFile);
-                Os.link(fromFile.getAbsolutePath(), toFile.getAbsolutePath());
+                stat = Os.stat(fromFile.getAbsolutePath());
             } catch (ErrnoException e) {
-                throw new IOException("Failed to link " + fromFile + " to " + toFile, e);
+                throw new IOException("Failed to stat: " + fromFile.getAbsolutePath(), e);
+            }
+
+            if (OsConstants.S_ISDIR(stat.st_mode)) {
+                if (LOGD) Slog.d(TAG, "Creating directory " + toFile.getAbsolutePath());
+                try {
+                    Os.mkdir(toFile.getAbsolutePath(), stat.st_mode);
+                } catch (ErrnoException e) {
+                    throw new IOException("Failed to create dir: " + toFile.getAbsolutePath(), e);
+                }
+
+                // We do this to ensure that the oat/ directory is created with the right
+                // label (data_dalvikcache_file) instead of apk_tmpfile.
+                if (!SELinux.restorecon(toFile)) {
+                    throw new IOException("Failed to restorecon: " + toFile.getAbsolutePath());
+                }
+            } else {
+                if (LOGD) Slog.d(TAG, "Linking " + fromFile + " to " + toFile);
+                try {
+                    Os.link(fromFile.getAbsolutePath(), toFile.getAbsolutePath());
+                } catch (ErrnoException e) {
+                    throw new IOException("Failed to link " + fromFile + " to " + toFile, e);
+                }
             }
         }
         Slog.d(TAG, "Linked " + fromFiles.size() + " files into " + toDir);
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 47e3963..e370afc 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -1876,7 +1876,7 @@
             alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
 
             /**
-             * And there are a number of commands implemented in Java, which
+             * There are a number of commands implemented in Java, which
              * we currently need to do the dexopt on so that they can be
              * run from a non-root shell.
              */
@@ -6361,63 +6361,39 @@
 
         final String path = scanFile.getPath();
         final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting);
-        if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) {
-            setBundledAppAbisAndRoots(pkg, pkgSetting);
 
-            // If we haven't found any native libraries for the app, check if it has
-            // renderscript code. We'll need to force the app to 32 bit if it has
-            // renderscript bitcode.
-            if (pkg.applicationInfo.primaryCpuAbi == null
-                    && pkg.applicationInfo.secondaryCpuAbi == null
-                    && Build.SUPPORTED_64_BIT_ABIS.length >  0) {
-                NativeLibraryHelper.Handle handle = null;
-                try {
-                    handle = NativeLibraryHelper.Handle.create(scanFile);
-                    if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
-                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
-                    }
-                } catch (IOException ioe) {
-                    Slog.w(TAG, "Error scanning system app : " + ioe);
-                } finally {
-                    IoUtils.closeQuietly(handle);
-                }
-            }
-
-            setNativeLibraryPaths(pkg);
+        if ((scanFlags & SCAN_NEW_INSTALL) == 0) {
+            derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */);
         } else {
-            if ((scanFlags & SCAN_NEW_INSTALL) == 0) {
-                deriveNonSystemPackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */);
-            } else {
-                if ((scanFlags & SCAN_MOVE) != 0) {
-                    // We haven't run dex-opt for this move (since we've moved the compiled output too)
-                    // but we already have this packages package info in the PackageSetting. We just
-                    // use that and derive the native library path based on the new codepath.
-                    pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString;
-                    pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString;
-                }
-
-                // Set native library paths again. For moves, the path will be updated based on the
-                // ABIs we've determined above. For non-moves, the path will be updated based on the
-                // ABIs we determined during compilation, but the path will depend on the final
-                // package path (after the rename away from the stage path).
-                setNativeLibraryPaths(pkg);
+            if ((scanFlags & SCAN_MOVE) != 0) {
+                // We haven't run dex-opt for this move (since we've moved the compiled output too)
+                // but we already have this packages package info in the PackageSetting. We just
+                // use that and derive the native library path based on the new codepath.
+                pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString;
+                pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString;
             }
 
-            if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
-            final int[] userIds = sUserManager.getUserIds();
-            synchronized (mInstallLock) {
-                // Create a native library symlink only if we have native libraries
-                // and if the native libraries are 32 bit libraries. We do not provide
-                // this symlink for 64 bit libraries.
-                if (pkg.applicationInfo.primaryCpuAbi != null &&
-                        !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
-                    final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
-                    for (int userId : userIds) {
-                        if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
-                                nativeLibPath, userId) < 0) {
-                            throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
-                                    "Failed linking native library dir (user=" + userId + ")");
-                        }
+            // Set native library paths again. For moves, the path will be updated based on the
+            // ABIs we've determined above. For non-moves, the path will be updated based on the
+            // ABIs we determined during compilation, but the path will depend on the final
+            // package path (after the rename away from the stage path).
+            setNativeLibraryPaths(pkg);
+        }
+
+        if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
+        final int[] userIds = sUserManager.getUserIds();
+        synchronized (mInstallLock) {
+            // Create a native library symlink only if we have native libraries
+            // and if the native libraries are 32 bit libraries. We do not provide
+            // this symlink for 64 bit libraries.
+            if (pkg.applicationInfo.primaryCpuAbi != null &&
+                    !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
+                final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
+                for (int userId : userIds) {
+                    if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
+                            nativeLibPath, userId) < 0) {
+                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
+                                "Failed linking native library dir (user=" + userId + ")");
                     }
                 }
             }
@@ -6946,8 +6922,8 @@
      *
      * If {@code extractLibs} is true, native libraries are extracted from the app if required.
      */
-    public void deriveNonSystemPackageAbi(PackageParser.Package pkg, File scanFile,
-                                          String cpuAbiOverride, boolean extractLibs)
+    public void derivePackageAbi(PackageParser.Package pkg, File scanFile,
+                                 String cpuAbiOverride, boolean extractLibs)
             throws PackageManagerException {
         // TODO: We can probably be smarter about this stuff. For installed apps,
         // we can calculate this information at install time once and for all. For
@@ -6959,8 +6935,10 @@
         setNativeLibraryPaths(pkg);
 
         // We would never need to extract libs for forward-locked and external packages,
-        // since the container service will do it for us.
-        if (pkg.isForwardLocked() || isExternal(pkg)) {
+        // since the container service will do it for us. We shouldn't attempt to
+        // extract libs from system app when it was not updated.
+        if (pkg.isForwardLocked() || isExternal(pkg) ||
+            (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) ) {
             extractLibs = false;
         }
 
@@ -7291,33 +7269,6 @@
     }
 
     /**
-     * Calculate the abis and roots for a bundled app. These can uniquely
-     * be determined from the contents of the system partition, i.e whether
-     * it contains 64 or 32 bit shared libraries etc. We do not validate any
-     * of this information, and instead assume that the system was built
-     * sensibly.
-     */
-    private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
-                                           PackageSetting pkgSetting) {
-        final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
-
-        // If "/system/lib64/apkname" exists, assume that is the per-package
-        // native library directory to use; otherwise use "/system/lib/apkname".
-        final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir);
-        setBundledAppAbi(pkg, apkRoot, apkName);
-        // pkgSetting might be null during rescan following uninstall of updates
-        // to a bundled app, so accommodate that possibility.  The settings in
-        // that case will be established later from the parsed package.
-        //
-        // If the settings aren't null, sync them up with what we've just derived.
-        // note that apkRoot isn't stored in the package settings.
-        if (pkgSetting != null) {
-            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
-            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
-        }
-    }
-
-    /**
      * Deduces the ABI of a bundled app and sets the relevant fields on the
      * parsed pkg object.
      *
@@ -11504,7 +11455,7 @@
         final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0)
                 || (args.volumeUuid != null));
         boolean replace = false;
-        int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE;
+        int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE;
         // Result object to be returned
         res.returnCode = PackageManager.INSTALL_SUCCEEDED;
 
@@ -11695,7 +11646,7 @@
             scanFlags |= SCAN_NO_DEX;
 
             try {
-                deriveNonSystemPackageAbi(pkg, new File(pkg.codePath), args.abiOverride,
+                derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride,
                         true /* extract libs */);
             } catch (PackageManagerException pme) {
                 Slog.e(TAG, "Error deriving application ABI", pme);
@@ -11705,7 +11656,7 @@
 
             // Run dexopt before old package gets removed, to minimize time when app is unavailable
             int result = mPackageDexOptimizer
-                    .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */,
+                    .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */,
                             false /* defer */, false /* inclDependencies */);
             if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
                 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath);
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 46793b9..8f8b1a4 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -4093,7 +4093,12 @@
 
         // If the device has a chin (e.g. some watches), a dead area at the bottom of the screen we
         // need to provide information to the clients that want to pretend that you can draw there.
-        if (isDefaultDisplay && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0) {
+        // We only want to apply outsets to certain types of windows. For example, we never want to
+        // apply the outsets to floating dialogs, because they wouldn't make sense there.
+        final boolean useOutsets = attrs.type == TYPE_WALLPAPER
+                || (fl & (WindowManager.LayoutParams.FLAG_FULLSCREEN
+                        | WindowManager.LayoutParams.FLAG_LAYOUT_IN_OVERSCAN)) != 0;
+        if (isDefaultDisplay && useOutsets) {
             osf = mTmpOutsetFrame;
             osf.set(cf.left, cf.top, cf.right, cf.bottom);
             int outset = ScreenShapeHelper.getWindowOutsetBottomPx(mContext.getResources());
diff --git a/services/core/java/com/android/server/tv/TvInputHardwareManager.java b/services/core/java/com/android/server/tv/TvInputHardwareManager.java
index ac8ad30..444969f 100644
--- a/services/core/java/com/android/server/tv/TvInputHardwareManager.java
+++ b/services/core/java/com/android/server/tv/TvInputHardwareManager.java
@@ -88,7 +88,6 @@
     private final Map<String, TvInputInfo> mInputMap = new ArrayMap<>();
 
     private final AudioManager mAudioManager;
-    private IHdmiControlService mHdmiControlService;
     private final IHdmiHotplugEventListener mHdmiHotplugEventListener =
             new HdmiHotplugEventListener();
     private final IHdmiDeviceEventListener mHdmiDeviceEventListener = new HdmiDeviceEventListener();
@@ -121,15 +120,15 @@
 
     public void onBootPhase(int phase) {
         if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) {
-            mHdmiControlService = IHdmiControlService.Stub.asInterface(ServiceManager.getService(
-                    Context.HDMI_CONTROL_SERVICE));
-            if (mHdmiControlService != null) {
+            IHdmiControlService hdmiControlService = IHdmiControlService.Stub.asInterface(
+                    ServiceManager.getService(Context.HDMI_CONTROL_SERVICE));
+            if (hdmiControlService != null) {
                 try {
-                    mHdmiControlService.addHotplugEventListener(mHdmiHotplugEventListener);
-                    mHdmiControlService.addDeviceEventListener(mHdmiDeviceEventListener);
-                    mHdmiControlService.addSystemAudioModeChangeListener(
+                    hdmiControlService.addHotplugEventListener(mHdmiHotplugEventListener);
+                    hdmiControlService.addDeviceEventListener(mHdmiDeviceEventListener);
+                    hdmiControlService.addSystemAudioModeChangeListener(
                             mHdmiSystemAudioModeChangeListener);
-                    mHdmiDeviceList.addAll(mHdmiControlService.getInputDevices());
+                    mHdmiDeviceList.addAll(hdmiControlService.getInputDevices());
                 } catch (RemoteException e) {
                     Slog.w(TAG, "Error registering listeners to HdmiControlService:", e);
                 }
diff --git a/services/core/java/com/android/server/wm/AppTransition.java b/services/core/java/com/android/server/wm/AppTransition.java
index 60bbc48..5995e9c 100644
--- a/services/core/java/com/android/server/wm/AppTransition.java
+++ b/services/core/java/com/android/server/wm/AppTransition.java
@@ -34,11 +34,11 @@
 import android.view.animation.ClipRectLRAnimation;
 import android.view.animation.ClipRectTBAnimation;
 import android.view.animation.Interpolator;
-import android.view.animation.LinearInterpolator;
+import android.view.animation.PathInterpolator;
 import android.view.animation.ScaleAnimation;
 import android.view.animation.TranslateAnimation;
-import android.view.animation.TranslateXAnimation;
 import android.view.animation.TranslateYAnimation;
+
 import com.android.internal.util.DumpUtils.Dump;
 import com.android.server.AttributeCache;
 import com.android.server.wm.WindowManagerService.H;
@@ -47,28 +47,28 @@
 import java.util.ArrayList;
 
 import static android.view.WindowManagerInternal.AppTransitionListener;
-import static com.android.internal.R.styleable.WindowAnimation_activityOpenEnterAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_activityOpenExitAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_activityCloseEnterAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_activityCloseExitAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_taskOpenEnterAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_taskOpenExitAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_launchTaskBehindTargetAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_activityOpenEnterAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_activityOpenExitAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_launchTaskBehindSourceAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_launchTaskBehindTargetAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_taskCloseEnterAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_taskCloseExitAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_taskToFrontEnterAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_taskToFrontExitAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_taskOpenEnterAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_taskOpenExitAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_taskToBackEnterAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_taskToBackExitAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_wallpaperOpenEnterAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_wallpaperOpenExitAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_taskToFrontEnterAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_taskToFrontExitAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_wallpaperCloseEnterAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_wallpaperCloseExitAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenEnterAnimation;
-import static com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenExitAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseEnterAnimation;
 import static com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseExitAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenEnterAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenExitAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_wallpaperOpenEnterAnimation;
+import static com.android.internal.R.styleable.WindowAnimation_wallpaperOpenExitAnimation;
 
 // State management of app transitions.  When we are preparing for a
 // transition, mNextAppTransition will be the kind of transition to
@@ -80,7 +80,7 @@
     private static final boolean DEBUG_APP_TRANSITIONS =
             WindowManagerService.DEBUG_APP_TRANSITIONS;
     private static final boolean DEBUG_ANIM = WindowManagerService.DEBUG_ANIM;
-
+    private static final int CLIP_REVEAL_TRANSLATION_Y_DP = 8;
 
     /** Not set up for a transition. */
     public static final int TRANSIT_UNSET = -1;
@@ -121,13 +121,13 @@
     public static final int TRANSIT_TASK_IN_PLACE = 17;
 
     /** Fraction of animation at which the recents thumbnail stays completely transparent */
-    private static final float RECENTS_THUMBNAIL_FADEIN_FRACTION = 0.7f;
+    private static final float RECENTS_THUMBNAIL_FADEIN_FRACTION = 0.5f;
     /** Fraction of animation at which the recents thumbnail becomes completely transparent */
-    private static final float RECENTS_THUMBNAIL_FADEOUT_FRACTION = 0.3f;
+    private static final float RECENTS_THUMBNAIL_FADEOUT_FRACTION = 0.5f;
 
-    private static final int DEFAULT_APP_TRANSITION_DURATION = 250;
-    private static final int THUMBNAIL_APP_TRANSITION_DURATION = 325;
-    private static final int THUMBNAIL_APP_TRANSITION_ALPHA_DURATION = 325;
+    private static final int DEFAULT_APP_TRANSITION_DURATION = 336;
+    private static final int THUMBNAIL_APP_TRANSITION_DURATION = 336;
+    private static final int THUMBNAIL_APP_TRANSITION_ALPHA_DURATION = 336;
 
     private final Context mContext;
     private final Handler mH;
@@ -179,8 +179,14 @@
     private final Interpolator mThumbnailFadeInInterpolator;
     private final Interpolator mThumbnailFadeOutInterpolator;
     private final Interpolator mLinearOutSlowInInterpolator;
-    private final Interpolator mFastOutSlowInInterpolator;
-    private final LinearInterpolator mLinearInterpolator;
+    private final Interpolator mFastOutLinearInInterpolator;
+    private final Interpolator mClipHorizontalInterpolator = new PathInterpolator(0, 0, 0.4f, 1f);
+
+    /** Interpolator to be used for animations that respond directly to a touch */
+    private final Interpolator mTouchResponseInterpolator =
+            new PathInterpolator(0.3f, 0f, 0.1f, 1f);
+
+    private final int mClipRevealTranslationY;
 
     private int mCurrentUserId = 0;
 
@@ -191,9 +197,8 @@
         mH = h;
         mLinearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
                 com.android.internal.R.interpolator.linear_out_slow_in);
-        mFastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
-                com.android.internal.R.interpolator.fast_out_slow_in);
-        mLinearInterpolator = new LinearInterpolator();
+        mFastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
+                com.android.internal.R.interpolator.fast_out_linear_in);
         mConfigShortAnimTime = context.getResources().getInteger(
                 com.android.internal.R.integer.config_shortAnimTime);
         mDecelerateInterpolator = AnimationUtils.loadInterpolator(context,
@@ -205,8 +210,9 @@
                 if (input < RECENTS_THUMBNAIL_FADEIN_FRACTION) {
                     return 0f;
                 }
-                return (input - RECENTS_THUMBNAIL_FADEIN_FRACTION) /
+                float t = (input - RECENTS_THUMBNAIL_FADEIN_FRACTION) /
                         (1f - RECENTS_THUMBNAIL_FADEIN_FRACTION);
+                return mFastOutLinearInInterpolator.getInterpolation(t);
             }
         };
         mThumbnailFadeOutInterpolator = new Interpolator() {
@@ -214,11 +220,14 @@
             public float getInterpolation(float input) {
                 // Linear response for first fraction, then complete after that.
                 if (input < RECENTS_THUMBNAIL_FADEOUT_FRACTION) {
-                    return input / RECENTS_THUMBNAIL_FADEOUT_FRACTION;
+                    float t = input / RECENTS_THUMBNAIL_FADEOUT_FRACTION;
+                    return mLinearOutSlowInInterpolator.getInterpolation(t);
                 }
                 return 1f;
             }
         };
+        mClipRevealTranslationY = (int) (CLIP_REVEAL_TRANSLATION_Y_DP
+                * mContext.getResources().getDisplayMetrics().density);
     }
 
     boolean isTransitionSet() {
@@ -507,47 +516,47 @@
         if (enter) {
             // Reveal will expand and move faster in horizontal direction
 
-            // Start from upper left of start and move to final position
             final int appWidth = appFrame.width();
             final int appHeight = appFrame.height();
 
-            // Start from size of launch icon, expand to full width/height
+            float t = 0f;
+            if (appHeight > 0) {
+                t = (float) mNextAppTransitionStartY / appHeight;
+            }
+            int translationY = mClipRevealTranslationY
+                    + (int)(appHeight / 7f * t);
+
+            int centerX = mNextAppTransitionStartX + mNextAppTransitionStartWidth / 2;
+            int centerY = mNextAppTransitionStartY + mNextAppTransitionStartHeight / 2;
+
+            // Clip third of the from size of launch icon, expand to full width/height
             Animation clipAnimLR = new ClipRectLRAnimation(
-                    (appWidth - mNextAppTransitionStartWidth) / 2,
-                    (appWidth + mNextAppTransitionStartWidth) / 2, 0, appWidth);
-            clipAnimLR.setInterpolator(mLinearOutSlowInInterpolator);
-            clipAnimLR.setDuration(DEFAULT_APP_TRANSITION_DURATION);
+                    centerX - mNextAppTransitionStartWidth / 3,
+                    centerX + mNextAppTransitionStartWidth / 3,
+                    0, appWidth);
+            clipAnimLR.setInterpolator(mClipHorizontalInterpolator);
+            clipAnimLR.setDuration((long) (DEFAULT_APP_TRANSITION_DURATION / 2.5f));
             Animation clipAnimTB = new ClipRectTBAnimation(
-                    (appHeight - mNextAppTransitionStartHeight) / 2,
-                    (appHeight + mNextAppTransitionStartHeight) / 2, 0, appHeight);
-            clipAnimTB.setInterpolator(mFastOutSlowInInterpolator);
+                    centerY - mNextAppTransitionStartHeight / 3 - translationY,
+                    centerY + mNextAppTransitionStartHeight / 3 - translationY,
+                    0, appHeight);
+            clipAnimTB.setInterpolator(mTouchResponseInterpolator);
             clipAnimTB.setDuration(DEFAULT_APP_TRANSITION_DURATION);
 
-            // Start from middle of launch icon area, move to 0, 0
-            int startMiddleX = mNextAppTransitionStartX +
-                    (mNextAppTransitionStartWidth - appWidth) / 2 - appFrame.left;
-            int startMiddleY = mNextAppTransitionStartY +
-                    (mNextAppTransitionStartHeight - appHeight) / 2 - appFrame.top;
-
-            TranslateXAnimation translateX = new TranslateXAnimation(
-                    Animation.ABSOLUTE, startMiddleX, Animation.ABSOLUTE, 0);
-            translateX.setInterpolator(mLinearOutSlowInInterpolator);
-            translateX.setDuration(DEFAULT_APP_TRANSITION_DURATION);
             TranslateYAnimation translateY = new TranslateYAnimation(
-                    Animation.ABSOLUTE, startMiddleY, Animation.ABSOLUTE, 0);
-            translateY.setInterpolator(mFastOutSlowInInterpolator);
+                    Animation.ABSOLUTE, translationY, Animation.ABSOLUTE, 0);
+            translateY.setInterpolator(mLinearOutSlowInInterpolator);
             translateY.setDuration(DEFAULT_APP_TRANSITION_DURATION);
 
             // Quick fade-in from icon to app window
-            final int alphaDuration = 100;
-            AlphaAnimation alpha = new AlphaAnimation(0.1f, 1);
+            final int alphaDuration = DEFAULT_APP_TRANSITION_DURATION / 4;
+            AlphaAnimation alpha = new AlphaAnimation(0.5f, 1);
             alpha.setDuration(alphaDuration);
-            alpha.setInterpolator(mLinearInterpolator);
+            alpha.setInterpolator(mLinearOutSlowInInterpolator);
 
             AnimationSet set = new AnimationSet(false);
             set.addAnimation(clipAnimLR);
             set.addAnimation(clipAnimTB);
-            set.addAnimation(translateX);
             set.addAnimation(translateY);
             set.addAnimation(alpha);
             set.initialize(appWidth, appHeight, appWidth, appHeight);
@@ -657,14 +666,14 @@
             Animation scale = new ScaleAnimation(1f, scaleW, 1f, scaleW,
                     mNextAppTransitionStartX + (thumbWidth / 2f),
                     mNextAppTransitionStartY + (thumbHeight / 2f));
-            scale.setInterpolator(mFastOutSlowInInterpolator);
+            scale.setInterpolator(mTouchResponseInterpolator);
             scale.setDuration(THUMBNAIL_APP_TRANSITION_DURATION);
             Animation alpha = new AlphaAnimation(1, 0);
             alpha.setInterpolator(mThumbnailFadeOutInterpolator);
             alpha.setDuration(THUMBNAIL_APP_TRANSITION_ALPHA_DURATION);
             Animation translate = new TranslateAnimation(0, 0, 0, -unscaledStartY +
                     mNextAppTransitionInsets.top);
-            translate.setInterpolator(mFastOutSlowInInterpolator);
+            translate.setInterpolator(mTouchResponseInterpolator);
             translate.setDuration(THUMBNAIL_APP_TRANSITION_DURATION);
 
             // This AnimationSet uses the Interpolators assigned above.
@@ -678,14 +687,14 @@
             Animation scale = new ScaleAnimation(scaleW, 1f, scaleW, 1f,
                     mNextAppTransitionStartX + (thumbWidth / 2f),
                     mNextAppTransitionStartY + (thumbHeight / 2f));
-            scale.setInterpolator(mFastOutSlowInInterpolator);
+            scale.setInterpolator(mTouchResponseInterpolator);
             scale.setDuration(THUMBNAIL_APP_TRANSITION_DURATION);
             Animation alpha = new AlphaAnimation(0f, 1f);
             alpha.setInterpolator(mThumbnailFadeInInterpolator);
             alpha.setDuration(THUMBNAIL_APP_TRANSITION_ALPHA_DURATION);
             Animation translate = new TranslateAnimation(0, 0, -unscaledStartY +
                     mNextAppTransitionInsets.top, 0);
-            translate.setInterpolator(mFastOutSlowInInterpolator);
+            translate.setInterpolator(mTouchResponseInterpolator);
             translate.setDuration(THUMBNAIL_APP_TRANSITION_DURATION);
 
             // This AnimationSet uses the Interpolators assigned above.
@@ -697,7 +706,7 @@
 
         }
         return prepareThumbnailAnimationWithDuration(a, appWidth, appHeight, 0,
-                mFastOutSlowInInterpolator);
+                mTouchResponseInterpolator);
     }
 
     /**
@@ -833,7 +842,7 @@
         int duration = Math.max(THUMBNAIL_APP_TRANSITION_ALPHA_DURATION,
                 THUMBNAIL_APP_TRANSITION_DURATION);
         return prepareThumbnailAnimationWithDuration(a, appWidth, appHeight, duration,
-                mFastOutSlowInInterpolator);
+                mTouchResponseInterpolator);
     }
 
     /**
@@ -941,6 +950,16 @@
         return prepareThumbnailAnimation(a, appWidth, appHeight, transit);
     }
 
+    /**
+     * @return true if and only if the first frame of the transition can be skipped, i.e. the first
+     *         frame of the transition doesn't change the visuals on screen, so we can start
+     *         directly with the second one
+     */
+    boolean canSkipFirstFrame() {
+        return mNextAppTransitionType != NEXT_TRANSIT_TYPE_CUSTOM
+                && mNextAppTransitionType != NEXT_TRANSIT_TYPE_CUSTOM_IN_PLACE
+                && mNextAppTransitionType != NEXT_TRANSIT_TYPE_CLIP_REVEAL;
+    }
 
     Animation loadAnimation(WindowManager.LayoutParams lp, int transit, boolean enter,
             int appWidth, int appHeight, int orientation, Rect containingFrame, Rect contentInsets,
diff --git a/services/core/java/com/android/server/wm/AppWindowAnimator.java b/services/core/java/com/android/server/wm/AppWindowAnimator.java
index 2e89385..df7b23d 100644
--- a/services/core/java/com/android/server/wm/AppWindowAnimator.java
+++ b/services/core/java/com/android/server/wm/AppWindowAnimator.java
@@ -24,6 +24,7 @@
 import android.graphics.Matrix;
 import android.util.Slog;
 import android.util.TimeUtils;
+import android.view.Choreographer;
 import android.view.Display;
 import android.view.SurfaceControl;
 import android.view.WindowManagerPolicy;
@@ -89,6 +90,8 @@
      *  See {@link #transferCurrentAnimation}*/
     boolean usingTransferredAnimation = false;
 
+    private boolean mSkipFirstFrame = false;
+
     static final Animation sDummyAnimation = new DummyAnimation();
 
     public AppWindowAnimator(final AppWindowToken atoken) {
@@ -97,7 +100,7 @@
         mAnimator = atoken.mAnimator;
     }
 
-    public void setAnimation(Animation anim, int width, int height) {
+    public void setAnimation(Animation anim, int width, int height, boolean skipFirstFrame) {
         if (WindowManagerService.localLOGV) Slog.v(TAG, "Setting animation in " + mAppToken
                 + ": " + anim + " wxh=" + width + "x" + height
                 + " isVisible=" + mAppToken.isVisible());
@@ -125,6 +128,8 @@
         transformation.setAlpha(mAppToken.isVisible() ? 1 : 0);
         hasTransformation = true;
 
+        this.mSkipFirstFrame = skipFirstFrame;
+
         if (!mAppToken.appFullscreen) {
             anim.setBackgroundColor(0);
         }
@@ -271,6 +276,18 @@
         return hasMoreFrames;
     }
 
+    private long getStartTimeCorrection() {
+        if (mSkipFirstFrame) {
+
+            // If the transition is an animation in which the first frame doesn't change the screen
+            // contents at all, we can just skip it and start at the second frame. So we shift the
+            // start time of the animation forward by minus the frame duration.
+            return -Choreographer.getInstance().getFrameIntervalNanos() / TimeUtils.NANOS_PER_MS;
+        } else {
+            return 0;
+        }
+    }
+
     // This must be called while inside a transaction.
     boolean stepAnimationLocked(long currentTime, final int displayId) {
         if (mService.okToDisplay()) {
@@ -292,12 +309,14 @@
                         " @ " + currentTime + " scale="
                         + mService.getTransitionAnimationScaleLocked()
                         + " allDrawn=" + mAppToken.allDrawn + " animating=" + animating);
-                    animation.setStartTime(currentTime);
+                    long correction = getStartTimeCorrection();
+                    animation.setStartTime(currentTime + correction);
                     animating = true;
                     if (thumbnail != null) {
                         thumbnail.show();
-                        thumbnailAnimation.setStartTime(currentTime);
+                        thumbnailAnimation.setStartTime(currentTime + correction);
                     }
+                    mSkipFirstFrame = false;
                 }
                 if (stepAnimation(currentTime)) {
                     // animation isn't over, step any thumbnail and that's
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 7019453..38e2765 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -2734,14 +2734,16 @@
                 }
             }
             final AppWindowToken appToken = win.mAppToken;
+            // Prevent an immediate window exit only for a real animation, ignoring e.g.
+            // dummy animations.
+            final boolean inAnimation = win.mWinAnimator.isWindowAnimatingNow();
             // The starting window is the last window in this app token and it isn't animating.
             // Allow it to be removed now as there is no additional window or animation that will
             // trigger its removal.
             final boolean lastWinStartingNotAnimating = startingWindow && appToken!= null
-                    && appToken.allAppWindows.size() == 1 && !win.mWinAnimator.isWindowAnimating();
-            if (!lastWinStartingNotAnimating && (win.mExiting || win.mWinAnimator.isAnimating())) {
+                    && appToken.allAppWindows.size() == 1 && !inAnimation;
+            if (!lastWinStartingNotAnimating && (win.mExiting || inAnimation)) {
                 // The exit animation is running... wait for it!
-                //Slog.i(TAG, "*** Running exit animation...");
                 win.mExiting = true;
                 win.mRemoveOnExit = true;
                 final DisplayContent displayContent = win.getDisplayContent();
@@ -2757,7 +2759,6 @@
                 if (focusChanged) {
                     mInputMonitor.updateInputWindowsLw(false /*force*/);
                 }
-                //dump();
                 Binder.restoreCallingIdentity(origId);
                 return;
             }
@@ -3488,7 +3489,8 @@
                     }
                     Slog.v(TAG, "Loaded animation " + a + " for " + atoken, e);
                 }
-                atoken.mAppAnimator.setAnimation(a, width, height);
+                atoken.mAppAnimator.setAnimation(a, width, height,
+                        mAppTransition.canSkipFirstFrame());
             }
         } else {
             atoken.mAppAnimator.clearAnimation();
diff --git a/services/core/java/com/android/server/wm/WindowStateAnimator.java b/services/core/java/com/android/server/wm/WindowStateAnimator.java
index e9023fd..b42c8eb 100644
--- a/services/core/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowStateAnimator.java
@@ -251,11 +251,21 @@
                 && mAppAnimator.animation == AppWindowAnimator.sDummyAnimation;
     }
 
-    /** Is this window currently animating? */
+    /** Is this window currently set to animate or currently animating?
+     *  NOTE: The method will return true for cases where the window isn't currently animating, but
+     *  is set to animate. i.e. if the window animation is currently set to a dummy placeholder
+     *  animation. Use {@link #isWindowAnimatingNow} to know if the window is currently running a
+     *  real animation. */
     boolean isWindowAnimating() {
         return mAnimation != null;
     }
 
+    /** Is the window performing a real animation and not a dummy which is only waiting for an
+     * an animation to start? */
+    boolean isWindowAnimatingNow() {
+        return isWindowAnimating() && !isDummyAnimation();
+    }
+
     void cancelExitAnimationForNextAnimationLocked() {
         if (mAnimation != null) {
             mAnimation.cancel();
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index ff748f2..825ef1a 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -6395,18 +6395,18 @@
                 PackageManager packageManager = mContext.getPackageManager();
                 switch (grantState) {
                     case DevicePolicyManager.PERMISSION_GRANT_STATE_GRANTED: {
-                        packageManager.grantRuntimePermission(packageName, permission, user);
                         packageManager.updatePermissionFlags(permission, packageName,
                                 PackageManager.FLAG_PERMISSION_POLICY_FIXED,
                                 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user);
+                        packageManager.grantRuntimePermission(packageName, permission, user);
                     } break;
 
                     case DevicePolicyManager.PERMISSION_GRANT_STATE_DENIED: {
-                        packageManager.revokeRuntimePermission(packageName,
-                                permission, user);
                         packageManager.updatePermissionFlags(permission, packageName,
                                 PackageManager.FLAG_PERMISSION_POLICY_FIXED,
                                 PackageManager.FLAG_PERMISSION_POLICY_FIXED, user);
+                        packageManager.revokeRuntimePermission(packageName,
+                                permission, user);
                     } break;
 
                     case DevicePolicyManager.PERMISSION_GRANT_STATE_DEFAULT: {
@@ -6428,14 +6428,13 @@
             String permission) throws RemoteException {
         PackageManager packageManager = mContext.getPackageManager();
 
-        // Do this before clearing the caller's identity
-        int granted = packageManager.checkPermission(permission, packageName);
-
         UserHandle user = Binder.getCallingUserHandle();
         synchronized (this) {
             getActiveAdminForCallerLocked(admin, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER);
             long ident = Binder.clearCallingIdentity();
             try {
+                int granted = AppGlobals.getPackageManager().checkPermission(permission,
+                        packageName, user.getIdentifier());
                 int permFlags = packageManager.getPermissionFlags(permission, packageName, user);
                 if ((permFlags & PackageManager.FLAG_PERMISSION_POLICY_FIXED)
                         != PackageManager.FLAG_PERMISSION_POLICY_FIXED) {
diff --git a/services/net/java/android/net/dhcp/DhcpClient.java b/services/net/java/android/net/dhcp/DhcpClient.java
index 069b591..575a300 100644
--- a/services/net/java/android/net/dhcp/DhcpClient.java
+++ b/services/net/java/android/net/dhcp/DhcpClient.java
@@ -58,7 +58,7 @@
 import java.util.Arrays;
 import java.util.Random;
 
-import libcore.io.IoUtils;
+import libcore.io.IoBridge;
 
 import static android.system.OsConstants.*;
 import static android.net.dhcp.DhcpPacket.*;
@@ -297,9 +297,15 @@
         return true;
     }
 
+    private static void closeQuietly(FileDescriptor fd) {
+        try {
+            IoBridge.closeAndSignalBlockedThreads(fd);
+        } catch (IOException ignored) {}
+    }
+
     private void closeSockets() {
-        IoUtils.closeQuietly(mUdpSock);
-        IoUtils.closeQuietly(mPacketSock);
+        closeQuietly(mUdpSock);
+        closeQuietly(mPacketSock);
     }
 
     private boolean setIpAddress(LinkAddress address) {
@@ -326,7 +332,7 @@
 
         @Override
         public void run() {
-            maybeLog("Starting receive thread");
+            maybeLog("Receive thread started");
             while (!stopped) {
                 try {
                     int length = Os.read(mPacketSock, mPacket, 0, mPacket.length);
@@ -345,7 +351,7 @@
                     }
                 }
             }
-            maybeLog("Stopping receive thread");
+            maybeLog("Receive thread stopped");
         }
     }
 
@@ -463,6 +469,8 @@
                     return "CMD_KICK";
                 case CMD_RECEIVED_PACKET:
                     return "CMD_RECEIVED_PACKET";
+                case CMD_TIMEOUT:
+                    return "CMD_TIMEOUT";
                 default:
                     return Integer.toString(what);
             }
diff --git a/services/tests/servicestests/AndroidManifest.xml b/services/tests/servicestests/AndroidManifest.xml
index 636dd4d..919293a 100644
--- a/services/tests/servicestests/AndroidManifest.xml
+++ b/services/tests/servicestests/AndroidManifest.xml
@@ -36,6 +36,9 @@
     <uses-permission android:name="android.permission.MANAGE_USERS" />
     <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL" />
     <uses-permission android:name="android.permission.MANAGE_DEVICE_ADMINS" />
+    <uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
 
     <application>
         <uses-library android:name="android.test.runner" />
diff --git a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
index 48d8ffb..56f1d48c 100644
--- a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
@@ -20,6 +20,10 @@
 import static android.net.ConnectivityManager.TYPE_MOBILE;
 import static android.net.ConnectivityManager.TYPE_WIFI;
 import static android.net.ConnectivityManager.getNetworkTypeName;
+import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;
+import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
+import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
+import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Matchers.isA;
@@ -30,21 +34,36 @@
 import static org.mockito.Mockito.reset;
 import static org.mockito.Mockito.verify;
 
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.net.ConnectivityManager;
+import android.net.ConnectivityManager.NetworkCallback;
 import android.net.INetworkPolicyManager;
 import android.net.INetworkStatsService;
 import android.net.LinkProperties;
+import android.net.Network;
+import android.net.NetworkAgent;
+import android.net.NetworkCapabilities;
 import android.net.NetworkConfig;
 import android.net.NetworkInfo;
 import android.net.NetworkInfo.DetailedState;
+import android.net.NetworkMisc;
+import android.net.NetworkRequest;
 import android.net.RouteInfo;
+import android.os.ConditionVariable;
 import android.os.Handler;
+import android.os.Looper;
 import android.os.INetworkManagementService;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.LargeTest;
 import android.util.Log;
 import android.util.LogPrinter;
 
+import com.android.server.connectivity.NetworkMonitor;
+
 import org.mockito.ArgumentCaptor;
 
 import java.net.InetAddress;
@@ -52,8 +71,10 @@
 
 /**
  * Tests for {@link ConnectivityService}.
+ *
+ * Build, install and run with:
+ *  runtest frameworks-services -c com.android.server.ConnectivityServiceTest
  */
-@LargeTest
 public class ConnectivityServiceTest extends AndroidTestCase {
     private static final String TAG = "ConnectivityServiceTest";
 
@@ -75,73 +96,336 @@
     private INetworkManagementService mNetManager;
     private INetworkStatsService mStatsService;
     private INetworkPolicyManager mPolicyService;
-//    private ConnectivityService.NetworkFactory mNetFactory;
 
     private BroadcastInterceptingContext mServiceContext;
     private ConnectivityService mService;
+    private ConnectivityManager mCm;
+    private MockNetworkAgent mWiFiNetworkAgent;
+    private MockNetworkAgent mCellNetworkAgent;
 
-// TODO: rework with network factory
-//    private MockNetwork mMobile;
-//    private MockNetwork mWifi;
-//
-//    private Handler mTrackerHandler;
-//
-//    private static class MockNetwork {
-//        public NetworkStateTracker tracker;
-//        public NetworkInfo info;
-//        public LinkProperties link;
-//
-//        public MockNetwork(int type) {
-//            tracker = mock(NetworkStateTracker.class);
-//            info = new NetworkInfo(type, -1, getNetworkTypeName(type), null);
-//            link = new LinkProperties();
-//        }
-//
-//        public void doReturnDefaults() {
-//            // TODO: eventually CS should make defensive copies
-//            doReturn(new NetworkInfo(info)).when(tracker).getNetworkInfo();
-//            doReturn(new LinkProperties(link)).when(tracker).getLinkProperties();
-//
-//            // fallback to default TCP buffers
-//            doReturn("").when(tracker).getTcpBufferSizesPropName();
-//        }
-//    }
-//
-//    @Override
-//    public void setUp() throws Exception {
-//        super.setUp();
-//
-//        mServiceContext = new BroadcastInterceptingContext(getContext());
-//
-//        mNetManager = mock(INetworkManagementService.class);
-//        mStatsService = mock(INetworkStatsService.class);
-//        mPolicyService = mock(INetworkPolicyManager.class);
-//        mNetFactory = mock(ConnectivityService.NetworkFactory.class);
-//
-//        mMobile = new MockNetwork(TYPE_MOBILE);
-//        mWifi = new MockNetwork(TYPE_WIFI);
-//
-//        // omit most network trackers
-//        doThrow(new IllegalArgumentException("Not supported in test environment"))
-//                .when(mNetFactory).createTracker(anyInt(), isA(NetworkConfig.class));
-//
-//        doReturn(mMobile.tracker)
-//                .when(mNetFactory).createTracker(eq(TYPE_MOBILE), isA(NetworkConfig.class));
-//        doReturn(mWifi.tracker)
-//                .when(mNetFactory).createTracker(eq(TYPE_WIFI), isA(NetworkConfig.class));
-//
-//        final ArgumentCaptor<Handler> trackerHandler = ArgumentCaptor.forClass(Handler.class);
-//        doNothing().when(mMobile.tracker)
-//                .startMonitoring(isA(Context.class), trackerHandler.capture());
-//
-//        mService = new ConnectivityService(
-//                mServiceContext, mNetManager, mStatsService, mPolicyService);
-//        mService.systemReady();
-//
-//        mTrackerHandler = trackerHandler.getValue();
-//        mTrackerHandler.getLooper().setMessageLogging(new LogPrinter(Log.INFO, TAG));
-//    }
-//
+    private class MockContext extends BroadcastInterceptingContext {
+        MockContext(Context base) {
+            super(base);
+        }
+
+        @Override
+        public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
+            // PendingIntents sent by the AlarmManager are not intercepted by
+            // BroadcastInterceptingContext so we must really register the receiver.
+            // This shouldn't effect the real NetworkMonitors as the action contains a random token.
+            if (filter.getAction(0).startsWith("android.net.netmon.lingerExpired")) {
+                return getBaseContext().registerReceiver(receiver, filter);
+            } else {
+                return super.registerReceiver(receiver, filter);
+            }
+        }
+
+        @Override
+        public Object getSystemService (String name) {
+            if (name == Context.CONNECTIVITY_SERVICE) return mCm;
+            return super.getSystemService(name);
+        }
+    }
+
+    private class MockNetworkAgent {
+        private final NetworkInfo mNetworkInfo;
+        private final NetworkCapabilities mNetworkCapabilities;
+        private final Thread mThread;
+        private NetworkAgent mNetworkAgent;
+
+        MockNetworkAgent(int transport) {
+            final int type = transportToLegacyType(transport);
+            final String typeName = ConnectivityManager.getNetworkTypeName(type);
+            mNetworkInfo = new NetworkInfo(type, 0, typeName, "Mock");
+            mNetworkCapabilities = new NetworkCapabilities();
+            mNetworkCapabilities.addTransportType(transport);
+            final int score;
+            switch (transport) {
+                case TRANSPORT_WIFI:
+                    score = 60;
+                    break;
+                case TRANSPORT_CELLULAR:
+                    score = 50;
+                    break;
+                default:
+                    throw new UnsupportedOperationException("unimplemented network type");
+            }
+            final ConditionVariable initComplete = new ConditionVariable();
+            mThread = new Thread() {
+                public void run() {
+                    Looper.prepare();
+                    mNetworkAgent = new NetworkAgent(Looper.myLooper(), mServiceContext,
+                            "Mock" + typeName, mNetworkInfo, mNetworkCapabilities,
+                            new LinkProperties(), score, new NetworkMisc()) {
+                        public void unwanted() {}
+                    };
+                    initComplete.open();
+                    Looper.loop();
+                }
+            };
+            mThread.start();
+            initComplete.block();
+        }
+
+        /**
+         * Transition this NetworkAgent to CONNECTED state.
+         * @param validated Indicate if network should pretend to be validated.
+         */
+        public void connect(boolean validated) {
+            assertEquals(mNetworkInfo.getDetailedState(), DetailedState.IDLE);
+            assertFalse(mNetworkCapabilities.hasCapability(NET_CAPABILITY_INTERNET));
+
+            // To pretend network is validated, we transition it to the CONNECTED state without
+            // NET_CAPABILITY_INTERNET so NetworkMonitor doesn't bother trying to validate and
+            // just rubber stamps it as validated.  Afterwards we add NET_CAPABILITY_INTERNET so
+            // the network can satisfy the default request.
+            NetworkCallback callback = null;
+            final ConditionVariable validatedCv = new ConditionVariable();
+            if (validated) {
+                // If we connect a network without INTERNET capability, it'll get reaped.
+                // Prevent the reaping by adding a NetworkRequest.
+                NetworkRequest request = new NetworkRequest.Builder()
+                        .addTransportType(mNetworkCapabilities.getTransportTypes()[0])
+                        .build();
+                callback = new NetworkCallback() {
+                    public void onCapabilitiesChanged(Network network,
+                            NetworkCapabilities networkCapabilities) {
+                        if (networkCapabilities.hasCapability(NET_CAPABILITY_VALIDATED)) {
+                            validatedCv.open();
+                        }
+                    }
+                };
+                mCm.requestNetwork(request, callback);
+            } else {
+                mNetworkCapabilities.addCapability(NET_CAPABILITY_INTERNET);
+                mNetworkAgent.sendNetworkCapabilities(mNetworkCapabilities);
+            }
+
+            mNetworkInfo.setDetailedState(DetailedState.CONNECTED, null, null);
+            mNetworkAgent.sendNetworkInfo(mNetworkInfo);
+
+            if (validated) {
+                // Wait for network to validate.
+                validatedCv.block();
+                mNetworkCapabilities.addCapability(NET_CAPABILITY_INTERNET);
+                mNetworkAgent.sendNetworkCapabilities(mNetworkCapabilities);
+            }
+
+            if (callback != null) mCm.unregisterNetworkCallback(callback);
+        }
+
+        public void disconnect() {
+            mNetworkInfo.setDetailedState(DetailedState.DISCONNECTED, null, null);
+            mNetworkAgent.sendNetworkInfo(mNetworkInfo);
+        }
+
+        public Network getNetwork() {
+            return new Network(mNetworkAgent.netId);
+        }
+    }
+
+    private class WrappedConnectivityService extends ConnectivityService {
+        public WrappedConnectivityService(Context context, INetworkManagementService netManager,
+                INetworkStatsService statsService, INetworkPolicyManager policyManager) {
+            super(context, netManager, statsService, policyManager);
+        }
+
+        @Override
+        protected int getDefaultTcpRwnd() {
+            // Prevent wrapped ConnectivityService from trying to write to SystemProperties.
+            return 0;
+        }
+    }
+
+    @Override
+    public void setUp() throws Exception {
+        super.setUp();
+
+        mServiceContext = new MockContext(getContext());
+
+        mNetManager = mock(INetworkManagementService.class);
+        mStatsService = mock(INetworkStatsService.class);
+        mPolicyService = mock(INetworkPolicyManager.class);
+
+        mService = new WrappedConnectivityService(
+                mServiceContext, mNetManager, mStatsService, mPolicyService);
+        mService.systemReady();
+        mCm = new ConnectivityManager(mService);
+    }
+
+    private int transportToLegacyType(int transport) {
+        switch (transport) {
+            case TRANSPORT_WIFI:
+                return TYPE_WIFI;
+            case TRANSPORT_CELLULAR:
+                return TYPE_MOBILE;
+            default:
+                throw new IllegalStateException("Unknown transport" + transport);
+        }
+    }
+
+    private void verifyActiveNetwork(int transport) {
+        // Test getActiveNetworkInfo()
+        assertNotNull(mCm.getActiveNetworkInfo());
+        assertEquals(transportToLegacyType(transport), mCm.getActiveNetworkInfo().getType());
+        // Test getActiveNetwork()
+        assertNotNull(mCm.getActiveNetwork());
+        switch (transport) {
+            case TRANSPORT_WIFI:
+                assertEquals(mCm.getActiveNetwork(), mWiFiNetworkAgent.getNetwork());
+                break;
+            case TRANSPORT_CELLULAR:
+                assertEquals(mCm.getActiveNetwork(), mCellNetworkAgent.getNetwork());
+                break;
+            default:
+                throw new IllegalStateException("Unknown transport" + transport);
+        }
+        // Test getNetworkInfo(Network)
+        assertNotNull(mCm.getNetworkInfo(mCm.getActiveNetwork()));
+        assertEquals(transportToLegacyType(transport), mCm.getNetworkInfo(mCm.getActiveNetwork()).getType());
+        // Test getNetworkCapabilities(Network)
+        assertNotNull(mCm.getNetworkCapabilities(mCm.getActiveNetwork()));
+        assertTrue(mCm.getNetworkCapabilities(mCm.getActiveNetwork()).hasTransport(transport));
+    }
+
+    private void verifyNoNetwork() {
+        // Test getActiveNetworkInfo()
+        assertNull(mCm.getActiveNetworkInfo());
+        // Test getActiveNetwork()
+        assertNull(mCm.getActiveNetwork());
+        // Test getAllNetworks()
+        assertEquals(0, mCm.getAllNetworks().length);
+    }
+
+    /**
+     * Return a ConditionVariable that opens when {@code count} numbers of CONNECTIVITY_ACTION
+     * broadcasts are received.
+     */
+    private ConditionVariable waitForConnectivityBroadcasts(final int count) {
+        final ConditionVariable cv = new ConditionVariable();
+        mServiceContext.registerReceiver(new BroadcastReceiver() {
+                    private int remaining = count;
+                    public void onReceive(Context context, Intent intent) {
+                        if (--remaining == 0) {
+                            cv.open();
+                            mServiceContext.unregisterReceiver(this);
+                        }
+                    }
+                }, new IntentFilter(CONNECTIVITY_ACTION));
+        return cv;
+    }
+
+    @LargeTest
+    public void testLingering() throws Exception {
+        // Decrease linger timeout to the minimum allowed by AlarmManagerService.
+        NetworkMonitor.SetDefaultLingerTime(5000);
+        verifyNoNetwork();
+        mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+        mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+        assertNull(mCm.getActiveNetworkInfo());
+        assertNull(mCm.getActiveNetwork());
+        // Test bringing up validated cellular.
+        ConditionVariable cv = waitForConnectivityBroadcasts(1);
+        mCellNetworkAgent.connect(true);
+        cv.block();
+        verifyActiveNetwork(TRANSPORT_CELLULAR);
+        assertEquals(2, mCm.getAllNetworks().length);
+        assertTrue(mCm.getAllNetworks()[0].equals(mCm.getActiveNetwork()) ||
+                mCm.getAllNetworks()[1].equals(mCm.getActiveNetwork()));
+        assertTrue(mCm.getAllNetworks()[0].equals(mWiFiNetworkAgent.getNetwork()) ||
+                mCm.getAllNetworks()[1].equals(mWiFiNetworkAgent.getNetwork()));
+        // Test bringing up validated WiFi.
+        cv = waitForConnectivityBroadcasts(2);
+        mWiFiNetworkAgent.connect(true);
+        cv.block();
+        verifyActiveNetwork(TRANSPORT_WIFI);
+        assertEquals(2, mCm.getAllNetworks().length);
+        assertTrue(mCm.getAllNetworks()[0].equals(mCm.getActiveNetwork()) ||
+                mCm.getAllNetworks()[1].equals(mCm.getActiveNetwork()));
+        assertTrue(mCm.getAllNetworks()[0].equals(mCellNetworkAgent.getNetwork()) ||
+                mCm.getAllNetworks()[1].equals(mCellNetworkAgent.getNetwork()));
+        // Test cellular linger timeout.
+        try {
+            Thread.sleep(6000);
+        } catch (Exception e) {
+        }
+        verifyActiveNetwork(TRANSPORT_WIFI);
+        assertEquals(1, mCm.getAllNetworks().length);
+        assertEquals(mCm.getAllNetworks()[0], mCm.getActiveNetwork());
+        // Test WiFi disconnect.
+        cv = waitForConnectivityBroadcasts(1);
+        mWiFiNetworkAgent.disconnect();
+        cv.block();
+        verifyNoNetwork();
+    }
+
+    @LargeTest
+    public void testValidatedCellularOutscoresUnvalidatedWiFi() throws Exception {
+        // Test bringing up unvalidated WiFi
+        mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+        ConditionVariable cv = waitForConnectivityBroadcasts(1);
+        mWiFiNetworkAgent.connect(false);
+        cv.block();
+        verifyActiveNetwork(TRANSPORT_WIFI);
+        // Test bringing up unvalidated cellular
+        mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+        mCellNetworkAgent.connect(false);
+        try {
+            Thread.sleep(1000);
+        } catch (Exception e) {
+        }
+        verifyActiveNetwork(TRANSPORT_WIFI);
+        // Test cellular disconnect.
+        mCellNetworkAgent.disconnect();
+        try {
+            Thread.sleep(1000);
+        } catch (Exception e) {
+        }
+        verifyActiveNetwork(TRANSPORT_WIFI);
+        // Test bringing up validated cellular
+        mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+        cv = waitForConnectivityBroadcasts(2);
+        mCellNetworkAgent.connect(true);
+        cv.block();
+        verifyActiveNetwork(TRANSPORT_CELLULAR);
+        // Test cellular disconnect.
+        cv = waitForConnectivityBroadcasts(2);
+        mCellNetworkAgent.disconnect();
+        cv.block();
+        verifyActiveNetwork(TRANSPORT_WIFI);
+        // Test WiFi disconnect.
+        cv = waitForConnectivityBroadcasts(1);
+        mWiFiNetworkAgent.disconnect();
+        cv.block();
+        verifyNoNetwork();
+    }
+
+    @LargeTest
+    public void testUnvalidatedWifiOutscoresUnvalidatedCellular() throws Exception {
+        // Test bringing up unvalidated cellular.
+        mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+        ConditionVariable cv = waitForConnectivityBroadcasts(1);
+        mCellNetworkAgent.connect(false);
+        cv.block();
+        verifyActiveNetwork(TRANSPORT_CELLULAR);
+        // Test bringing up unvalidated WiFi.
+        mWiFiNetworkAgent = new MockNetworkAgent(TRANSPORT_WIFI);
+        cv = waitForConnectivityBroadcasts(2);
+        mWiFiNetworkAgent.connect(false);
+        cv.block();
+        verifyActiveNetwork(TRANSPORT_WIFI);
+        // Test WiFi disconnect.
+        cv = waitForConnectivityBroadcasts(2);
+        mWiFiNetworkAgent.disconnect();
+        cv.block();
+        verifyActiveNetwork(TRANSPORT_CELLULAR);
+        // Test cellular disconnect.
+        cv = waitForConnectivityBroadcasts(1);
+        mCellNetworkAgent.disconnect();
+        cv.block();
+        verifyNoNetwork();
+    }
+
 //    @Override
 //    public void tearDown() throws Exception {
 //        super.tearDown();
@@ -157,9 +441,9 @@
 //        mMobile.link.addRoute(MOBILE_ROUTE_V6);
 //        mMobile.doReturnDefaults();
 //
-//        nextConnBroadcast = mServiceContext.nextBroadcastIntent(CONNECTIVITY_ACTION);
+//        cv = waitForConnectivityBroadcasts(1);
 //        mTrackerHandler.obtainMessage(EVENT_STATE_CHANGED, mMobile.info).sendToTarget();
-//        nextConnBroadcast.get();
+//        cv.block();
 //
 //        // verify that both routes were added
 //        int mobileNetId = mMobile.tracker.getNetwork().netId;
@@ -177,9 +461,9 @@
 //        mMobile.link.addRoute(MOBILE_ROUTE_V6);
 //        mMobile.doReturnDefaults();
 //
-//        nextConnBroadcast = mServiceContext.nextBroadcastIntent(CONNECTIVITY_ACTION);
+//        cv = waitForConnectivityBroadcasts(1);
 //        mTrackerHandler.obtainMessage(EVENT_STATE_CHANGED, mMobile.info).sendToTarget();
-//        nextConnBroadcast.get();
+//        cv.block();
 //
 //        reset(mNetManager);
 //
@@ -193,9 +477,9 @@
 //        // expect that mobile will be torn down
 //        doReturn(true).when(mMobile.tracker).teardown();
 //
-//        nextConnBroadcast = mServiceContext.nextBroadcastIntent(CONNECTIVITY_ACTION);
+//        cv = waitForConnectivityBroadcasts(1);
 //        mTrackerHandler.obtainMessage(EVENT_STATE_CHANGED, mWifi.info).sendToTarget();
-//        nextConnBroadcast.get();
+//        cv.block();
 //
 //        // verify that wifi routes added, and teardown requested
 //        int wifiNetId = mWifi.tracker.getNetwork().netId;
@@ -212,9 +496,9 @@
 //        mMobile.link.clear();
 //        mMobile.doReturnDefaults();
 //
-//        nextConnBroadcast = mServiceContext.nextBroadcastIntent(CONNECTIVITY_ACTION);
+//        cv = waitForConnectivityBroadcasts(1);
 //        mTrackerHandler.obtainMessage(EVENT_STATE_CHANGED, mMobile.info).sendToTarget();
-//        nextConnBroadcast.get();
+//        cv.block();
 //
 //        verify(mNetManager).removeRoute(eq(mobileNetId), eq(MOBILE_ROUTE_V4));
 //        verify(mNetManager).removeRoute(eq(mobileNetId), eq(MOBILE_ROUTE_V6));
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerServiceImpl.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerServiceImpl.java
index 6de887b..d8569bc 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerServiceImpl.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerServiceImpl.java
@@ -201,7 +201,7 @@
             Slog.w(TAG, "finish does not match active session");
             return;
         }
-        mActiveSession.cancel();
+        mActiveSession.cancelLocked();
         mActiveSession = null;
     }
 
@@ -251,7 +251,7 @@
         // If there is an active session, cancel it to allow it to clean up its window and other
         // state.
         if (mActiveSession != null) {
-            mActiveSession.cancel();
+            mActiveSession.cancelLocked();
             mActiveSession = null;
         }
         try {
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionSessionConnection.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionSessionConnection.java
index b4629f2..0b430ca0 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionSessionConnection.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionSessionConnection.java
@@ -19,9 +19,9 @@
 import android.app.ActivityManager;
 import android.app.ActivityManagerNative;
 import android.app.AppOpsManager;
-import android.app.AssistContent;
-import android.app.AssistStructure;
 import android.app.IActivityManager;
+import android.app.assist.AssistContent;
+import android.app.assist.AssistStructure;
 import android.content.ClipData;
 import android.content.ComponentName;
 import android.content.ContentProvider;
@@ -376,6 +376,40 @@
         return false;
     }
 
+    public void cancelLocked() {
+        hideLocked();
+        mCanceled = true;
+        if (mBound) {
+            if (mSession != null) {
+                try {
+                    mSession.destroy();
+                } catch (RemoteException e) {
+                    Slog.w(TAG, "Voice interation session already dead");
+                }
+            }
+            if (mSession != null) {
+                try {
+                    mAm.finishVoiceTask(mSession);
+                } catch (RemoteException e) {
+                }
+            }
+            mContext.unbindService(this);
+            try {
+                mIWindowManager.removeWindowToken(mToken);
+            } catch (RemoteException e) {
+                Slog.w(TAG, "Failed removing window token", e);
+            }
+            mBound = false;
+            mService = null;
+            mSession = null;
+            mInteractor = null;
+        }
+        if (mFullyBound) {
+            mContext.unbindService(mFullConnection);
+            mFullyBound = false;
+        }
+    }
+
     public boolean deliverNewSessionLocked(IVoiceInteractionSession session,
             IVoiceInteractor interactor) {
         mSession = session;
@@ -432,39 +466,6 @@
         mService = null;
     }
 
-    public void cancel() {
-        mCanceled = true;
-        if (mBound) {
-            if (mSession != null) {
-                try {
-                    mSession.destroy();
-                } catch (RemoteException e) {
-                    Slog.w(TAG, "Voice interation session already dead");
-                }
-            }
-            if (mSession != null) {
-                try {
-                    mAm.finishVoiceTask(mSession);
-                } catch (RemoteException e) {
-                }
-            }
-            mContext.unbindService(this);
-            try {
-                mIWindowManager.removeWindowToken(mToken);
-            } catch (RemoteException e) {
-                Slog.w(TAG, "Failed removing window token", e);
-            }
-            mBound = false;
-            mService = null;
-            mSession = null;
-            mInteractor = null;
-        }
-        if (mFullyBound) {
-            mContext.unbindService(mFullConnection);
-            mFullyBound = false;
-        }
-    }
-
     private boolean isStructureEnabled() {
         return Settings.Secure.getIntForUser(mContext.getContentResolver(),
                 Settings.Secure.ASSIST_STRUCTURE_ENABLED, 1, mUser) != 0;
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index dfb02bb..ccfaca7 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -62,7 +62,7 @@
      * effectively disable the "Sim network lock" feature.
      */
     public static final String
-            BOOL_IGNORE_SIM_NETWORK_LOCKED_EVENTS = "bool_ignore_sim_network_locked_events";
+            KEY_IGNORE_SIM_NETWORK_LOCKED_EVENTS_BOOL = "ignore_sim_network_locked_events_bool";
 
     /**
      * Flag indicating whether the Phone app should provide a "Dismiss" button on the SIM network
@@ -72,10 +72,10 @@
      * you don't know the PIN.)
      */
     public static final String
-            BOOL_SIM_NETWORK_UNLOCK_ALLOW_DISMISS = "bool_sim_network_unlock_allow_dismiss";
+            KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL = "sim_network_unlock_allow_dismiss_bool";
 
     /** Flag indicating if the phone is a world phone */
-    public static final String BOOL_WORLD_PHONE = "bool_world_phone";
+    public static final String KEY_WORLD_PHONE_BOOL = "world_phone_bool";
 
     /**
      * If true, enable vibration (haptic feedback) for key presses in the EmergencyDialer activity.
@@ -84,30 +84,30 @@
      * from config.xml under apps/Contacts.
      */
     public static final String
-            BOOL_ENABLE_DIALER_KEY_VIBRATION = "bool_enable_dialer_key_vibration";
+            KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL = "key_enable_dialer_vibration_bool";
 
     /** Flag indicating if dtmf tone type is enabled */
-    public static final String BOOL_DTMF_TYPE_ENABLED = "bool_dtmf_type_enabled";
+    public static final String KEY_DTMF_TYPE_ENABLED_BOOL = "dtmf_type_enabled_bool";
 
     /** Flag indicating if auto retry is enabled */
-    public static final String BOOL_AUTO_RETRY_ENABLED = "bool_auto_retry_enabled";
+    public static final String KEY_AUTO_RETRY_ENABLED_BOOL = "auto_retry_enabled_bool";
 
     /**
      * Determine whether we want to play local DTMF tones in a call, or just let the radio/BP handle
      * playing of the tones.
      */
-    public static final String BOOL_ALLOW_LOCAL_DTMF_TONES = "bool_allow_local_dtmf_tones";
+    public static final String KEY_ALLOW_LOCAL_DTMF_TONES_BOOL = "allow_local_dtmf_tones_bool";
 
     /**
      * If true, show an onscreen "Dial" button in the dialer. In practice this is used on all
      * platforms, even the ones with hard SEND/END keys, but for maximum flexibility it's controlled
      * by a flag here (which can be overridden on a per-product basis.)
      */
-    public static final String BOOL_SHOW_ONSCREEN_DIAL_BUTTON = "bool_show_onscreen_dial_button";
+    public static final String KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL = "show_onscreen_dial_button_bool";
 
     /** Determines if device implements a noise suppression device for in call audio. */
     public static final String
-            BOOL_HAS_IN_CALL_NOISE_SUPPRESSION = "bool_has_in_call_noise_suppression";
+            KEY_HAS_IN_CALL_NOISE_SUPPRESSION_BOOL = "has_in_call_noise_suppression_bool";
 
     /**
      * Determines if the current device should allow emergency numbers to be logged in the Call Log.
@@ -121,29 +121,29 @@
      * emergency numbers.
      */
     public static final String
-            BOOL_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG = "bool_allow_emergency_numbers_in_call_log";
+            KEY_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG_BOOL = "allow_emergency_numbers_in_call_log_bool";
 
     /** If true, removes the Voice Privacy option from Call Settings */
-    public static final String BOOL_VOICE_PRIVACY_DISABLE = "bool_voice_privacy_disable";
+    public static final String KEY_VOICE_PRIVACY_DISABLE_BOOL = "voice_privacy_disable_bool";
 
     /** Control whether users can reach the carrier portions of Cellular Network Settings. */
     public static final String
-            BOOL_HIDE_CARRIER_NETWORK_SETTINGS = "bool_hide_carrier_network_settings";
+            KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL = "hide_carrier_network_settings_bool";
 
     /** Control whether users can edit APNs in Settings. */
-    public static final String BOOL_APN_EXPAND = "bool_apn_expand";
+    public static final String KEY_APN_EXPAND_BOOL = "apn_expand_bool";
 
     /** Control whether users can choose a network operator. */
-    public static final String BOOL_OPERATOR_SELECTION_EXPAND = "bool_operator_selection_expand";
+    public static final String KEY_OPERATOR_SELECTION_EXPAND_BOOL = "operator_selection_expand_bool";
 
     /** Used in Cellular Network Settings for preferred network type. */
-    public static final String BOOL_PREFER_2G = "bool_prefer_2g";
+    public static final String KEY_PREFER_2G_BOOL = "prefer_2g_bool";
 
     /** Show cdma network mode choices 1x, 3G, global etc. */
-    public static final String BOOL_SHOW_CDMA_CHOICES = "bool_show_cdma_choices";
+    public static final String KEY_SHOW_CDMA_CHOICES_BOOL = "show_cdma_choices_bool";
 
     /** CDMA activation goes through HFA */
-    public static final String BOOL_USE_HFA_FOR_PROVISIONING = "bool_use_hfa_for_provisioning";
+    public static final String KEY_USE_HFA_FOR_PROVISIONING_BOOL = "use_hfa_for_provisioning_bool";
 
     /**
      * CDMA activation goes through OTASP.
@@ -151,51 +151,51 @@
      * TODO: This should be combined with config_use_hfa_for_provisioning and implemented as an enum
      * (NONE, HFA, OTASP).
      */
-    public static final String BOOL_USE_OTASP_FOR_PROVISIONING = "bool_use_otasp_for_provisioning";
+    public static final String KEY_USE_OTASP_FOR_PROVISIONING_BOOL = "use_otasp_for_provisioning_bool";
 
     /** Display carrier settings menu if true */
-    public static final String BOOL_CARRIER_SETTINGS_ENABLE = "bool_carrier_settings_enable";
+    public static final String KEY_CARRIER_SETTINGS_ENABLE_BOOL = "carrier_settings_enable_bool";
 
     /** Does not display additional call seting for IMS phone based on GSM Phone */
-    public static final String BOOL_ADDITIONAL_CALL_SETTING = "bool_additional_call_setting";
+    public static final String KEY_ADDITIONAL_CALL_SETTING_BOOL = "additional_call_setting_bool";
 
     /** Show APN Settings for some CDMA carriers */
-    public static final String BOOL_SHOW_APN_SETTING_CDMA = "bool_show_apn_setting_cdma";
+    public static final String KEY_SHOW_APN_SETTING_CDMA_BOOL = "show_apn_setting_cdma_bool";
 
     /** After a CDMA conference call is merged, the swap button should be displayed. */
-    public static final String BOOL_SUPPORT_SWAP_AFTER_MERGE = "bool_support_swap_after_merge";
+    public static final String KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL = "support_swap_after_merge_bool";
 
     /**
      * Determine whether the voicemail notification is persistent in the notification bar. If true,
      * the voicemail notifications cannot be dismissed from the notification bar.
      */
     public static final String
-            BOOL_VOICEMAIL_NOTIFICATION_PERSISTENT = "bool_voicemail_notification_persistent";
+            KEY_VOICEMAIL_NOTIFICATION_PERSISTENT_BOOL = "voicemail_notification_persistent_bool";
 
     /** For IMS video over LTE calls, determines whether video pause signalling is supported. */
     public static final String
-            BOOL_SUPPORT_PAUSE_IMS_VIDEO_CALLS = "bool_support_pause_ims_video_calls";
+            KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL = "support_pause_ims_video_calls_bool";
 
     /**
      * Disables dialing "*228" (OTASP provisioning) on CDMA carriers where it is not supported or is
      * potentially harmful by locking the SIM to 3G.
      */
     public static final String
-            BOOL_DISABLE_CDMA_ACTIVATION_CODE = "bool_disable_cdma_activation_code";
+            KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL = "disable_cdma_activation_code_bool";
 
     /**
      * Flag specifying whether VoLTE should be available for carrier, independent of carrier
      * provisioning. If false: hard disabled. If true: then depends on carrier provisioning,
      * availability, etc.
      */
-    public static final String BOOL_CARRIER_VOLTE_AVAILABLE = "bool_carrier_volte_available";
+    public static final String KEY_CARRIER_VOLTE_AVAILABLE_BOOL = "carrier_volte_available_bool";
 
     /** Flag specifying whether VoLTE availability is based on provisioning. */
-    public static final String BOOL_CARRIER_VOLTE_PROVISIONED = "bool_carrier_volte_provisioned";
+    public static final String KEY_CARRIER_VOLTE_PROVISIONED_BOOL = "carrier_volte_provisioned_bool";
 
     /** Flag specifying whether VoLTE TTY is supported. */
-    public static final String BOOL_CARRIER_VOLTE_TTY_SUPPORTED
-            = "bool_carrier_volte_tty_supported";
+    public static final String KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL
+            = "carrier_volte_tty_supported_bool";
 
     /**
      * If Voice Radio Technology is RIL_RADIO_TECHNOLOGY_LTE:14 or RIL_RADIO_TECHNOLOGY_UNKNOWN:0
@@ -203,7 +203,7 @@
      * RIL_RADIO_TECHNOLOGY_UNKNOWN:0 means there is no replacement value and that the default
      * assumption for phone type (GSM) should be used.
      */
-    public static final String INT_VOLTE_REPLACEMENT_RAT = "int_volte_replacement_rat";
+    public static final String KEY_VOLTE_REPLACEMENT_RAT_INT = "volte_replacement_rat_int";
 
     /* The following 3 fields are related to carrier visual voicemail. */
 
@@ -212,14 +212,14 @@
      *
      * @hide
      */
-    public static final String STRING_VVM_DESTINATION_NUMBER = "string_vvm_destination_number";
+    public static final String KEY_VVM_DESTINATION_NUMBER_STRING = "vvm_destination_number_string";
 
     /**
      * The port through which the MO sms messages are sent through.
      *
      * @hide
      */
-    public static final String INT_VVM_PORT_NUMBER = "int_vvm_port_number";
+    public static final String KEY_VVM_PORT_NUMBER_INT = "vvm_port_number_int";
 
     /**
      * The type of visual voicemail protocol the carrier adheres to. See {@link TelephonyManager}
@@ -227,112 +227,121 @@
      *
      * @hide
      */
-    public static final String STRING_VVM_TYPE = "string_vvm_type";
+    public static final String KEY_VVM_TYPE_STRING = "vvm_type_string";
+
+    /**
+     * The package name of the carrier's visual voicemail app to ensure that dialer visual voicemail
+     * and carrier visual voicemail are not active at the same time.
+     *
+     * @hide
+     */
+    public static final String KEY_CARRIER_VVM_PACKAGE_NAME_STRING = "carrier_vvm_package_name_string";
 
     // These variables are used by the MMS service and exposed through another API, {@link
     // SmsManager}. The variable names and string values are copied from there.
-    public static final String BOOL_MMS_ALIAS_ENABLED = "aliasEnabled";
-    public static final String BOOL_MMS_ALLOW_ATTACH_AUDIO = "allowAttachAudio";
-    public static final String BOOL_MMS_APPEND_TRANSACTION_ID = "enabledTransID";
-    public static final String BOOL_MMS_GROUP_MMS_ENABLED = "enableGroupMms";
-    public static final String BOOL_MMS_MMS_DELIVERY_REPORT_ENABLED = "enableMMSDeliveryReports";
-    public static final String BOOL_MMS_MMS_ENABLED = "enabledMMS";
-    public static final String BOOL_MMS_MMS_READ_REPORT_ENABLED = "enableMMSReadReports";
-    public static final String BOOL_MMS_MULTIPART_SMS_ENABLED = "enableMultipartSMS";
-    public static final String BOOL_MMS_NOTIFY_WAP_MMSC_ENABLED = "enabledNotifyWapMMSC";
-    public static final String BOOL_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES = "sendMultipartSmsAsSeparateMessages";
-    public static final String BOOL_MMS_SHOW_CELL_BROADCAST_APP_LINKS = "config_cellBroadcastAppLinks";
-    public static final String BOOL_MMS_SMS_DELIVERY_REPORT_ENABLED = "enableSMSDeliveryReports";
-    public static final String BOOL_MMS_SUPPORT_HTTP_CHARSET_HEADER = "supportHttpCharsetHeader";
-    public static final String BOOL_MMS_SUPPORT_MMS_CONTENT_DISPOSITION = "supportMmsContentDisposition";
-    public static final String INT_MMS_ALIAS_MAX_CHARS = "aliasMaxChars";
-    public static final String INT_MMS_ALIAS_MIN_CHARS = "aliasMinChars";
-    public static final String INT_MMS_HTTP_SOCKET_TIMEOUT = "httpSocketTimeout";
-    public static final String INT_MMS_MAX_IMAGE_HEIGHT = "maxImageHeight";
-    public static final String INT_MMS_MAX_IMAGE_WIDTH = "maxImageWidth";
-    public static final String INT_MMS_MAX_MESSAGE_SIZE = "maxMessageSize";
-    public static final String INT_MMS_MESSAGE_TEXT_MAX_SIZE = "maxMessageTextSize";
-    public static final String INT_MMS_RECIPIENT_LIMIT = "recipientLimit";
-    public static final String INT_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD = "smsToMmsTextLengthThreshold";
-    public static final String INT_MMS_SMS_TO_MMS_TEXT_THRESHOLD = "smsToMmsTextThreshold";
-    public static final String INT_MMS_SUBJECT_MAX_LENGTH = "maxSubjectLength";
-    public static final String STRING_MMS_EMAIL_GATEWAY_NUMBER = "emailGatewayNumber";
-    public static final String STRING_MMS_HTTP_PARAMS = "httpParams";
-    public static final String STRING_MMS_NAI_SUFFIX = "naiSuffix";
-    public static final String STRING_MMS_UA_PROF_TAG_NAME = "uaProfTagName";
-    public static final String STRING_MMS_UA_PROF_URL = "uaProfUrl";
-    public static final String STRING_MMS_USER_AGENT = "userAgent";
+    public static final String KEY_MMS_ALIAS_ENABLED_BOOL = "aliasEnabled";
+    public static final String KEY_MMS_ALLOW_ATTACH_AUDIO_BOOL = "allowAttachAudio";
+    public static final String KEY_MMS_APPEND_TRANSACTION_ID_BOOL = "enabledTransID";
+    public static final String KEY_MMS_GROUP_MMS_ENABLED_BOOL = "enableGroupMms";
+    public static final String KEY_MMS_MMS_DELIVERY_REPORT_ENABLED_BOOL = "enableMMSDeliveryReports";
+    public static final String KEY_MMS_MMS_ENABLED_BOOL = "enabledMMS";
+    public static final String KEY_MMS_MMS_READ_REPORT_ENABLED_BOOL = "enableMMSReadReports";
+    public static final String KEY_MMS_MULTIPART_SMS_ENABLED_BOOL = "enableMultipartSMS";
+    public static final String KEY_MMS_NOTIFY_WAP_MMSC_ENABLED_BOOL = "enabledNotifyWapMMSC";
+    public static final String KEY_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES_BOOL = "sendMultipartSmsAsSeparateMessages";
+    public static final String KEY_MMS_SHOW_CELL_BROADCAST_APP_LINKS_BOOL = "config_cellBroadcastAppLinks";
+    public static final String KEY_MMS_SMS_DELIVERY_REPORT_ENABLED_BOOL = "enableSMSDeliveryReports";
+    public static final String KEY_MMS_SUPPORT_HTTP_CHARSET_HEADER_BOOL = "supportHttpCharsetHeader";
+    public static final String KEY_MMS_SUPPORT_MMS_CONTENT_DISPOSITION_BOOL = "supportMmsContentDisposition";
+    public static final String KEY_MMS_ALIAS_MAX_CHARS_INT = "aliasMaxChars";
+    public static final String KEY_MMS_ALIAS_MIN_CHARS_INT = "aliasMinChars";
+    public static final String KEY_MMS_HTTP_SOCKET_TIMEOUT_INT = "httpSocketTimeout";
+    public static final String KEY_MMS_MAX_IMAGE_HEIGHT_INT = "maxImageHeight";
+    public static final String KEY_MMS_MAX_IMAGE_WIDTH_INT = "maxImageWidth";
+    public static final String KEY_MMS_MAX_MESSAGE_SIZE_INT = "maxMessageSize";
+    public static final String KEY_MMS_MESSAGE_TEXT_MAX_SIZE_INT = "maxMessageTextSize";
+    public static final String KEY_MMS_RECIPIENT_LIMIT_INT = "recipientLimit";
+    public static final String KEY_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD_INT = "smsToMmsTextLengthThreshold";
+    public static final String KEY_MMS_SMS_TO_MMS_TEXT_THRESHOLD_INT = "smsToMmsTextThreshold";
+    public static final String KEY_MMS_SUBJECT_MAX_LENGTH_INT = "maxSubjectLength";
+    public static final String KEY_MMS_EMAIL_GATEWAY_NUMBER_STRING = "emailGatewayNumber";
+    public static final String KEY_MMS_HTTP_PARAMS_STRING = "httpParams";
+    public static final String KEY_MMS_NAI_SUFFIX_STRING = "naiSuffix";
+    public static final String KEY_MMS_UA_PROF_TAG_NAME_STRING = "uaProfTagName";
+    public static final String KEY_MMS_UA_PROF_URL_STRING = "uaProfUrl";
+    public static final String KEY_MMS_USER_AGENT_STRING = "userAgent";
 
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;
 
     static {
         sDefaults = new PersistableBundle();
-        sDefaults.putBoolean(BOOL_ADDITIONAL_CALL_SETTING, true);
-        sDefaults.putBoolean(BOOL_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG, false);
-        sDefaults.putBoolean(BOOL_ALLOW_LOCAL_DTMF_TONES, true);
-        sDefaults.putBoolean(BOOL_APN_EXPAND, true);
-        sDefaults.putBoolean(BOOL_AUTO_RETRY_ENABLED, false);
-        sDefaults.putBoolean(BOOL_CARRIER_SETTINGS_ENABLE, false);
-        sDefaults.putBoolean(BOOL_CARRIER_VOLTE_AVAILABLE, false);
-        sDefaults.putBoolean(BOOL_CARRIER_VOLTE_PROVISIONED, false);
-        sDefaults.putBoolean(BOOL_CARRIER_VOLTE_TTY_SUPPORTED, true);
-        sDefaults.putBoolean(BOOL_DISABLE_CDMA_ACTIVATION_CODE, false);
-        sDefaults.putBoolean(BOOL_DTMF_TYPE_ENABLED, false);
-        sDefaults.putBoolean(BOOL_ENABLE_DIALER_KEY_VIBRATION, true);
-        sDefaults.putBoolean(BOOL_HAS_IN_CALL_NOISE_SUPPRESSION, false);
-        sDefaults.putBoolean(BOOL_HIDE_CARRIER_NETWORK_SETTINGS, false);
-        sDefaults.putBoolean(BOOL_IGNORE_SIM_NETWORK_LOCKED_EVENTS, false);
-        sDefaults.putBoolean(BOOL_OPERATOR_SELECTION_EXPAND, true);
-        sDefaults.putBoolean(BOOL_PREFER_2G, true);
-        sDefaults.putBoolean(BOOL_SHOW_APN_SETTING_CDMA, false);
-        sDefaults.putBoolean(BOOL_SHOW_CDMA_CHOICES, false);
-        sDefaults.putBoolean(BOOL_SHOW_ONSCREEN_DIAL_BUTTON, true);
-        sDefaults.putBoolean(BOOL_SIM_NETWORK_UNLOCK_ALLOW_DISMISS, true);
-        sDefaults.putBoolean(BOOL_SUPPORT_PAUSE_IMS_VIDEO_CALLS, true);
-        sDefaults.putBoolean(BOOL_SUPPORT_SWAP_AFTER_MERGE, true);
-        sDefaults.putBoolean(BOOL_USE_HFA_FOR_PROVISIONING, false);
-        sDefaults.putBoolean(BOOL_USE_OTASP_FOR_PROVISIONING, false);
-        sDefaults.putBoolean(BOOL_VOICEMAIL_NOTIFICATION_PERSISTENT, false);
-        sDefaults.putBoolean(BOOL_VOICE_PRIVACY_DISABLE, false);
-        sDefaults.putBoolean(BOOL_WORLD_PHONE, false);
-        sDefaults.putInt(INT_VOLTE_REPLACEMENT_RAT, 0);
-        sDefaults.putInt(INT_VVM_PORT_NUMBER, 0);
-        sDefaults.putString(STRING_VVM_DESTINATION_NUMBER, "");
-        sDefaults.putString(STRING_VVM_TYPE, "");
+        sDefaults.putBoolean(KEY_ADDITIONAL_CALL_SETTING_BOOL, true);
+        sDefaults.putBoolean(KEY_ALLOW_EMERGENCY_NUMBERS_IN_CALL_LOG_BOOL, false);
+        sDefaults.putBoolean(KEY_ALLOW_LOCAL_DTMF_TONES_BOOL, true);
+        sDefaults.putBoolean(KEY_APN_EXPAND_BOOL, true);
+        sDefaults.putBoolean(KEY_AUTO_RETRY_ENABLED_BOOL, false);
+        sDefaults.putBoolean(KEY_CARRIER_SETTINGS_ENABLE_BOOL, false);
+        sDefaults.putBoolean(KEY_CARRIER_VOLTE_AVAILABLE_BOOL, false);
+        sDefaults.putBoolean(KEY_CARRIER_VOLTE_PROVISIONED_BOOL, false);
+        sDefaults.putBoolean(KEY_CARRIER_VOLTE_TTY_SUPPORTED_BOOL, true);
+        sDefaults.putBoolean(KEY_DISABLE_CDMA_ACTIVATION_CODE_BOOL, false);
+        sDefaults.putBoolean(KEY_DTMF_TYPE_ENABLED_BOOL, false);
+        sDefaults.putBoolean(KEY_ENABLE_DIALER_KEY_VIBRATION_BOOL, true);
+        sDefaults.putBoolean(KEY_HAS_IN_CALL_NOISE_SUPPRESSION_BOOL, false);
+        sDefaults.putBoolean(KEY_HIDE_CARRIER_NETWORK_SETTINGS_BOOL, false);
+        sDefaults.putBoolean(KEY_IGNORE_SIM_NETWORK_LOCKED_EVENTS_BOOL, false);
+        sDefaults.putBoolean(KEY_OPERATOR_SELECTION_EXPAND_BOOL, true);
+        sDefaults.putBoolean(KEY_PREFER_2G_BOOL, true);
+        sDefaults.putBoolean(KEY_SHOW_APN_SETTING_CDMA_BOOL, false);
+        sDefaults.putBoolean(KEY_SHOW_CDMA_CHOICES_BOOL, false);
+        sDefaults.putBoolean(KEY_SHOW_ONSCREEN_DIAL_BUTTON_BOOL, true);
+        sDefaults.putBoolean(KEY_SIM_NETWORK_UNLOCK_ALLOW_DISMISS_BOOL, true);
+        sDefaults.putBoolean(KEY_SUPPORT_PAUSE_IMS_VIDEO_CALLS_BOOL, true);
+        sDefaults.putBoolean(KEY_SUPPORT_SWAP_AFTER_MERGE_BOOL, true);
+        sDefaults.putBoolean(KEY_USE_HFA_FOR_PROVISIONING_BOOL, false);
+        sDefaults.putBoolean(KEY_USE_OTASP_FOR_PROVISIONING_BOOL, false);
+        sDefaults.putBoolean(KEY_VOICEMAIL_NOTIFICATION_PERSISTENT_BOOL, false);
+        sDefaults.putBoolean(KEY_VOICE_PRIVACY_DISABLE_BOOL, false);
+        sDefaults.putBoolean(KEY_WORLD_PHONE_BOOL, false);
+        sDefaults.putInt(KEY_VOLTE_REPLACEMENT_RAT_INT, 0);
+        sDefaults.putString(KEY_VVM_DESTINATION_NUMBER_STRING, "");
+        sDefaults.putInt(KEY_VVM_PORT_NUMBER_INT, 0);
+        sDefaults.putString(KEY_VVM_TYPE_STRING, "");
+        sDefaults.putString(KEY_CARRIER_VVM_PACKAGE_NAME_STRING, "");
 
         // MMS defaults
-        sDefaults.putBoolean(BOOL_MMS_ALIAS_ENABLED, false);
-        sDefaults.putBoolean(BOOL_MMS_ALLOW_ATTACH_AUDIO, true);
-        sDefaults.putBoolean(BOOL_MMS_APPEND_TRANSACTION_ID, false);
-        sDefaults.putBoolean(BOOL_MMS_GROUP_MMS_ENABLED, true);
-        sDefaults.putBoolean(BOOL_MMS_MMS_DELIVERY_REPORT_ENABLED, false);
-        sDefaults.putBoolean(BOOL_MMS_MMS_ENABLED, true);
-        sDefaults.putBoolean(BOOL_MMS_MMS_READ_REPORT_ENABLED, false);
-        sDefaults.putBoolean(BOOL_MMS_MULTIPART_SMS_ENABLED, true);
-        sDefaults.putBoolean(BOOL_MMS_NOTIFY_WAP_MMSC_ENABLED, false);
-        sDefaults.putBoolean(BOOL_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES, false);
-        sDefaults.putBoolean(BOOL_MMS_SHOW_CELL_BROADCAST_APP_LINKS, true);
-        sDefaults.putBoolean(BOOL_MMS_SMS_DELIVERY_REPORT_ENABLED, true);
-        sDefaults.putBoolean(BOOL_MMS_SUPPORT_HTTP_CHARSET_HEADER, false);
-        sDefaults.putBoolean(BOOL_MMS_SUPPORT_MMS_CONTENT_DISPOSITION, true);
-        sDefaults.putInt(INT_MMS_ALIAS_MAX_CHARS, 48);
-        sDefaults.putInt(INT_MMS_ALIAS_MIN_CHARS, 2);
-        sDefaults.putInt(INT_MMS_HTTP_SOCKET_TIMEOUT, 60 * 1000);
-        sDefaults.putInt(INT_MMS_MAX_IMAGE_HEIGHT, 480);
-        sDefaults.putInt(INT_MMS_MAX_IMAGE_WIDTH, 640);
-        sDefaults.putInt(INT_MMS_MAX_MESSAGE_SIZE, 300 * 1024);
-        sDefaults.putInt(INT_MMS_MESSAGE_TEXT_MAX_SIZE, -1);
-        sDefaults.putInt(INT_MMS_RECIPIENT_LIMIT, Integer.MAX_VALUE);
-        sDefaults.putInt(INT_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD, -1);
-        sDefaults.putInt(INT_MMS_SMS_TO_MMS_TEXT_THRESHOLD, -1);
-        sDefaults.putInt(INT_MMS_SUBJECT_MAX_LENGTH, 40);
-        sDefaults.putString(STRING_MMS_EMAIL_GATEWAY_NUMBER, "");
-        sDefaults.putString(STRING_MMS_HTTP_PARAMS, "");
-        sDefaults.putString(STRING_MMS_NAI_SUFFIX, "");
-        sDefaults.putString(STRING_MMS_UA_PROF_TAG_NAME, "x-wap-profile");
-        sDefaults.putString(STRING_MMS_UA_PROF_URL, "");
-        sDefaults.putString(STRING_MMS_USER_AGENT, "");
+        sDefaults.putBoolean(KEY_MMS_ALIAS_ENABLED_BOOL, false);
+        sDefaults.putBoolean(KEY_MMS_ALLOW_ATTACH_AUDIO_BOOL, true);
+        sDefaults.putBoolean(KEY_MMS_APPEND_TRANSACTION_ID_BOOL, false);
+        sDefaults.putBoolean(KEY_MMS_GROUP_MMS_ENABLED_BOOL, true);
+        sDefaults.putBoolean(KEY_MMS_MMS_DELIVERY_REPORT_ENABLED_BOOL, false);
+        sDefaults.putBoolean(KEY_MMS_MMS_ENABLED_BOOL, true);
+        sDefaults.putBoolean(KEY_MMS_MMS_READ_REPORT_ENABLED_BOOL, false);
+        sDefaults.putBoolean(KEY_MMS_MULTIPART_SMS_ENABLED_BOOL, true);
+        sDefaults.putBoolean(KEY_MMS_NOTIFY_WAP_MMSC_ENABLED_BOOL, false);
+        sDefaults.putBoolean(KEY_MMS_SEND_MULTIPART_SMS_AS_SEPARATE_MESSAGES_BOOL, false);
+        sDefaults.putBoolean(KEY_MMS_SHOW_CELL_BROADCAST_APP_LINKS_BOOL, true);
+        sDefaults.putBoolean(KEY_MMS_SMS_DELIVERY_REPORT_ENABLED_BOOL, true);
+        sDefaults.putBoolean(KEY_MMS_SUPPORT_HTTP_CHARSET_HEADER_BOOL, false);
+        sDefaults.putBoolean(KEY_MMS_SUPPORT_MMS_CONTENT_DISPOSITION_BOOL, true);
+        sDefaults.putInt(KEY_MMS_ALIAS_MAX_CHARS_INT, 48);
+        sDefaults.putInt(KEY_MMS_ALIAS_MIN_CHARS_INT, 2);
+        sDefaults.putInt(KEY_MMS_HTTP_SOCKET_TIMEOUT_INT, 60 * 1000);
+        sDefaults.putInt(KEY_MMS_MAX_IMAGE_HEIGHT_INT, 480);
+        sDefaults.putInt(KEY_MMS_MAX_IMAGE_WIDTH_INT, 640);
+        sDefaults.putInt(KEY_MMS_MAX_MESSAGE_SIZE_INT, 300 * 1024);
+        sDefaults.putInt(KEY_MMS_MESSAGE_TEXT_MAX_SIZE_INT, -1);
+        sDefaults.putInt(KEY_MMS_RECIPIENT_LIMIT_INT, Integer.MAX_VALUE);
+        sDefaults.putInt(KEY_MMS_SMS_TO_MMS_TEXT_LENGTH_THRESHOLD_INT, -1);
+        sDefaults.putInt(KEY_MMS_SMS_TO_MMS_TEXT_THRESHOLD_INT, -1);
+        sDefaults.putInt(KEY_MMS_SUBJECT_MAX_LENGTH_INT, 40);
+        sDefaults.putString(KEY_MMS_EMAIL_GATEWAY_NUMBER_STRING, "");
+        sDefaults.putString(KEY_MMS_HTTP_PARAMS_STRING, "");
+        sDefaults.putString(KEY_MMS_NAI_SUFFIX_STRING, "");
+        sDefaults.putString(KEY_MMS_UA_PROF_TAG_NAME_STRING, "x-wap-profile");
+        sDefaults.putString(KEY_MMS_UA_PROF_URL_STRING, "");
+        sDefaults.putString(KEY_MMS_USER_AGENT_STRING, "");
     }
 
     /**
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index 33e52bf..193285f 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -387,7 +387,9 @@
     public SubscriptionInfo getActiveSubscriptionInfo(int subId) {
         if (VDBG) logd("[getActiveSubscriptionInfo]+ subId=" + subId);
         if (!isValidSubscriptionId(subId)) {
-            logd("[getActiveSubscriptionInfo]- invalid subId");
+            if (DBG) {
+                logd("[getActiveSubscriptionInfo]- invalid subId");
+            }
             return null;
         }
 
@@ -751,7 +753,9 @@
      */
     public static int getSlotId(int subId) {
         if (!isValidSubscriptionId(subId)) {
-            logd("[getSlotId]- fail");
+            if (DBG) {
+                logd("[getSlotId]- fail");
+            }
         }
 
         int result = INVALID_SIM_SLOT_INDEX;
@@ -793,7 +797,9 @@
     /** @hide */
     public static int getPhoneId(int subId) {
         if (!isValidSubscriptionId(subId)) {
-            logd("[getPhoneId]- fail");
+            if (DBG) {
+                logd("[getPhoneId]- fail");
+            }
             return INVALID_PHONE_INDEX;
         }
 
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index f51cb65..2445bf6e 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -2298,7 +2298,8 @@
     }
 
     /**
-     * Returns the voice mail count. Return 0 if unavailable.
+     * Returns the voice mail count. Return 0 if unavailable, -1 if there are unread voice messages
+     * but the count is unknown.
      * <p>
      * Requires Permission:
      *   {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
diff --git a/tests/VectorDrawableTest/src/com/android/test/dynamic/AnimatedVectorDrawableTest.java b/tests/VectorDrawableTest/src/com/android/test/dynamic/AnimatedVectorDrawableTest.java
index 56c8119..087e68a 100644
--- a/tests/VectorDrawableTest/src/com/android/test/dynamic/AnimatedVectorDrawableTest.java
+++ b/tests/VectorDrawableTest/src/com/android/test/dynamic/AnimatedVectorDrawableTest.java
@@ -14,10 +14,10 @@
 
 package com.android.test.dynamic;
 
-import android.animation.Animator;
-import android.animation.Animator.AnimatorListener;
 import android.app.Activity;
+import android.graphics.drawable.Animatable2;
 import android.graphics.drawable.AnimatedVectorDrawable;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
@@ -56,22 +56,15 @@
             button.setHeight(400);
             button.setBackgroundResource(icon[i]);
             AnimatedVectorDrawable d = (AnimatedVectorDrawable) button.getBackground();
-            d.addListener(new AnimatorListener() {
-                    @Override
-                public void onAnimationStart(Animator animation) {
+            d.registerAnimationCallback(new Animatable2.AnimationCallback() {
+                @Override
+                public void onAnimationStart(Drawable drawable) {
                     Log.v(LOGCAT, "Animator start");
                 }
-                    @Override
-                public void onAnimationRepeat(Animator animation) {
-                    Log.v(LOGCAT, "Animator repeat");
-                }
-                    @Override
-                public void onAnimationEnd(Animator animation) {
-                    Log.v(LOGCAT, "Animator end");
-                }
-                    @Override
-                public void onAnimationCancel(Animator animation) {
-                    Log.v(LOGCAT, "Animator cancel");
+
+                @Override
+                public void onAnimationEnd(Drawable drawable) {
+                        Log.v(LOGCAT, "Animator end");
                 }
             });
 
diff --git a/tests/VoiceInteraction/src/com/android/test/voiceinteraction/MainInteractionSession.java b/tests/VoiceInteraction/src/com/android/test/voiceinteraction/MainInteractionSession.java
index f66a9ce..dae1ac3 100644
--- a/tests/VoiceInteraction/src/com/android/test/voiceinteraction/MainInteractionSession.java
+++ b/tests/VoiceInteraction/src/com/android/test/voiceinteraction/MainInteractionSession.java
@@ -17,9 +17,9 @@
 package com.android.test.voiceinteraction;
 
 import android.app.ActivityManager;
+import android.app.VoiceInteractor;
 import android.app.AssistContent;
 import android.app.AssistStructure;
-import android.app.VoiceInteractor;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
@@ -71,7 +71,7 @@
     public void onCreate(Bundle args, int startFlags) {
         super.onCreate(args, startFlags);
         ActivityManager am = getContext().getSystemService(ActivityManager.class);
-        am.setWatchHeapLimit(40*1024*1024);
+        am.setWatchHeapLimit(40 * 1024 * 1024);
     }
 
     @Override
@@ -118,6 +118,30 @@
         return mContentView;
     }
 
+    public void onHandleAssist(Bundle assistBundle) {
+        if (assistBundle != null) {
+            Bundle assistContext = assistBundle.getBundle(Intent.EXTRA_ASSIST_CONTEXT);
+            if (assistContext != null) {
+                mAssistStructure = AssistStructure.getAssistStructure(assistContext);
+                if (mAssistStructure != null) {
+                    if (mAssistVisualizer != null) {
+                        mAssistVisualizer.setAssistStructure(mAssistStructure);
+                    }
+                }
+                AssistContent content = AssistContent.getAssistContent(assistContext);
+                if (content != null) {
+                    Log.i(TAG, "Assist intent: " + content.getIntent());
+                    Log.i(TAG, "Assist clipdata: " + content.getClipData());
+                }
+                return;
+            }
+        }
+        if (mAssistVisualizer != null) {
+            mAssistVisualizer.clearAssistData();
+        }
+    }
+
+    /*
     @Override
     public void onHandleAssist(Bundle data, AssistStructure structure, AssistContent content) {
         mAssistStructure = structure;
@@ -131,6 +155,7 @@
             Log.i(TAG, "Assist clipdata: " + content.getClipData());
         }
     }
+    */
 
     @Override
     public void onHandleScreenshot(Bitmap screenshot) {
diff --git a/tools/aapt2/Android.mk b/tools/aapt2/Android.mk
index 23d679d..d311cd9 100644
--- a/tools/aapt2/Android.mk
+++ b/tools/aapt2/Android.mk
@@ -27,7 +27,6 @@
 sources := \
 	BigBuffer.cpp \
 	BinaryResourceParser.cpp \
-	BinaryXmlPullParser.cpp \
 	BindingXmlPullParser.cpp \
 	ConfigDescription.cpp \
 	Debug.cpp \
@@ -37,6 +36,7 @@
 	Linker.cpp \
 	Locale.cpp \
 	Logger.cpp \
+	ManifestMerger.cpp \
 	ManifestParser.cpp \
 	ManifestValidator.cpp \
 	Png.cpp \
@@ -53,6 +53,7 @@
 	ScopedXmlPullParser.cpp \
 	SourceXmlPullParser.cpp \
 	XliffXmlPullParser.cpp \
+	XmlDom.cpp \
 	XmlFlattener.cpp \
 	ZipEntry.cpp \
 	ZipFile.cpp
@@ -65,6 +66,7 @@
 	JavaClassGenerator_test.cpp \
 	Linker_test.cpp \
 	Locale_test.cpp \
+	ManifestMerger_test.cpp \
 	ManifestParser_test.cpp \
 	Maybe_test.cpp \
 	NameMangler_test.cpp \
@@ -76,6 +78,7 @@
 	StringPool_test.cpp \
 	Util_test.cpp \
 	XliffXmlPullParser_test.cpp \
+	XmlDom_test.cpp \
 	XmlFlattener_test.cpp
 
 cIncludes := \
@@ -101,7 +104,7 @@
 endif
 
 cFlags := -Wall -Werror -Wno-unused-parameter -UNDEBUG
-cppFlags := -std=c++11 -Wno-missing-field-initializers
+cppFlags := -std=c++11 -Wno-missing-field-initializers -Wno-unused-private-field
 
 # ==========================================================
 # Build the host static library: libaapt2
diff --git a/tools/aapt2/BinaryXmlPullParser.cpp b/tools/aapt2/BinaryXmlPullParser.cpp
deleted file mode 100644
index 476a215..0000000
--- a/tools/aapt2/BinaryXmlPullParser.cpp
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "BinaryXmlPullParser.h"
-#include "Maybe.h"
-#include "Util.h"
-
-#include <androidfw/ResourceTypes.h>
-#include <memory>
-#include <string>
-#include <vector>
-
-namespace aapt {
-
-static XmlPullParser::Event codeToEvent(android::ResXMLParser::event_code_t code) {
-    switch (code) {
-        case android::ResXMLParser::START_DOCUMENT:
-            return XmlPullParser::Event::kStartDocument;
-        case android::ResXMLParser::END_DOCUMENT:
-            return XmlPullParser::Event::kEndDocument;
-        case android::ResXMLParser::START_NAMESPACE:
-            return XmlPullParser::Event::kStartNamespace;
-        case android::ResXMLParser::END_NAMESPACE:
-            return XmlPullParser::Event::kEndNamespace;
-        case android::ResXMLParser::START_TAG:
-            return XmlPullParser::Event::kStartElement;
-        case android::ResXMLParser::END_TAG:
-            return XmlPullParser::Event::kEndElement;
-        case android::ResXMLParser::TEXT:
-            return XmlPullParser::Event::kText;
-        default:
-            break;
-    }
-    return XmlPullParser::Event::kBadDocument;
-}
-
-BinaryXmlPullParser::BinaryXmlPullParser(const std::shared_ptr<android::ResXMLTree>& parser)
-    : mParser(parser), mEvent(Event::kStartDocument), mHasComment(false), sEmpty(), sEmpty8(),
-      mDepth(0) {
-}
-
-XmlPullParser::Event BinaryXmlPullParser::next() {
-    mStr1.clear();
-    mStr2.clear();
-    mAttributes.clear();
-
-    android::ResXMLParser::event_code_t code;
-    if (mHasComment) {
-        mHasComment = false;
-        code = mParser->getEventType();
-    } else {
-        code = mParser->next();
-        if (code != android::ResXMLParser::BAD_DOCUMENT) {
-            size_t len;
-            const char16_t* comment = mParser->getComment(&len);
-            if (comment) {
-                mHasComment = true;
-                mStr1.assign(comment, len);
-                return XmlPullParser::Event::kComment;
-            }
-        }
-    }
-
-    size_t len;
-    const char16_t* data;
-    mEvent = codeToEvent(code);
-    switch (mEvent) {
-        case Event::kStartNamespace:
-        case Event::kEndNamespace: {
-            data = mParser->getNamespacePrefix(&len);
-            if (data) {
-                mStr1.assign(data, len);
-            } else {
-                mStr1.clear();
-            }
-            data = mParser->getNamespaceUri(&len);
-            if (data) {
-                mStr2.assign(data, len);
-            } else {
-                mStr2.clear();
-            }
-
-            Maybe<std::u16string> result = util::extractPackageFromNamespace(mStr2);
-            if (result) {
-                if (mEvent == Event::kStartNamespace) {
-                    mPackageAliases.emplace_back(mStr1, result.value());
-                } else {
-                    assert(mPackageAliases.back().second == result.value());
-                    mPackageAliases.pop_back();
-                }
-            }
-            break;
-        }
-
-        case Event::kStartElement:
-            copyAttributes();
-            // fallthrough
-
-        case Event::kEndElement:
-            data = mParser->getElementNamespace(&len);
-            if (data) {
-                mStr1.assign(data, len);
-            } else {
-                mStr1.clear();
-            }
-            data = mParser->getElementName(&len);
-            if (data) {
-                mStr2.assign(data, len);
-            } else {
-                mStr2.clear();
-            }
-            break;
-
-        case Event::kText:
-            data = mParser->getText(&len);
-            if (data) {
-                mStr1.assign(data, len);
-            } else {
-                mStr1.clear();
-            }
-            break;
-
-        default:
-            break;
-    }
-    return mEvent;
-}
-
-XmlPullParser::Event BinaryXmlPullParser::getEvent() const {
-    if (mHasComment) {
-        return XmlPullParser::Event::kComment;
-    }
-    return mEvent;
-}
-
-const std::string& BinaryXmlPullParser::getLastError() const {
-    return sEmpty8;
-}
-
-const std::u16string& BinaryXmlPullParser::getComment() const {
-    if (mHasComment) {
-        return mStr1;
-    }
-    return sEmpty;
-}
-
-size_t BinaryXmlPullParser::getLineNumber() const {
-    return mParser->getLineNumber();
-}
-
-size_t BinaryXmlPullParser::getDepth() const {
-    return mDepth;
-}
-
-const std::u16string& BinaryXmlPullParser::getText() const {
-    if (!mHasComment && mEvent == XmlPullParser::Event::kText) {
-        return mStr1;
-    }
-    return sEmpty;
-}
-
-const std::u16string& BinaryXmlPullParser::getNamespacePrefix() const {
-    if (!mHasComment && (mEvent == XmlPullParser::Event::kStartNamespace ||
-            mEvent == XmlPullParser::Event::kEndNamespace)) {
-        return mStr1;
-    }
-    return sEmpty;
-}
-
-const std::u16string& BinaryXmlPullParser::getNamespaceUri() const {
-    if (!mHasComment && (mEvent == XmlPullParser::Event::kStartNamespace ||
-            mEvent == XmlPullParser::Event::kEndNamespace)) {
-        return mStr2;
-    }
-    return sEmpty;
-}
-
-bool BinaryXmlPullParser::applyPackageAlias(std::u16string* package,
-                                            const std::u16string& defaultPackage) const {
-    const auto endIter = mPackageAliases.rend();
-    for (auto iter = mPackageAliases.rbegin(); iter != endIter; ++iter) {
-        if (iter->first == *package) {
-            if (iter->second.empty()) {
-                *package = defaultPackage;
-            } else {
-                *package = iter->second;
-            }
-            return true;
-        }
-    }
-    return false;
-}
-
-const std::u16string& BinaryXmlPullParser::getElementNamespace() const {
-    if (!mHasComment && (mEvent == XmlPullParser::Event::kStartElement ||
-            mEvent == XmlPullParser::Event::kEndElement)) {
-        return mStr1;
-    }
-    return sEmpty;
-}
-
-const std::u16string& BinaryXmlPullParser::getElementName() const {
-    if (!mHasComment && (mEvent == XmlPullParser::Event::kStartElement ||
-            mEvent == XmlPullParser::Event::kEndElement)) {
-        return mStr2;
-    }
-    return sEmpty;
-}
-
-size_t BinaryXmlPullParser::getAttributeCount() const {
-    return mAttributes.size();
-}
-
-XmlPullParser::const_iterator BinaryXmlPullParser::beginAttributes() const {
-    return mAttributes.begin();
-}
-
-XmlPullParser::const_iterator BinaryXmlPullParser::endAttributes() const {
-    return mAttributes.end();
-}
-
-void BinaryXmlPullParser::copyAttributes() {
-    const size_t attrCount = mParser->getAttributeCount();
-    if (attrCount > 0) {
-        mAttributes.reserve(attrCount);
-        for (size_t i = 0; i < attrCount; i++) {
-            XmlPullParser::Attribute attr;
-            size_t len;
-            const char16_t* str = mParser->getAttributeNamespace(i, &len);
-            if (str) {
-                attr.namespaceUri.assign(str, len);
-            }
-            str = mParser->getAttributeName(i, &len);
-            if (str) {
-                attr.name.assign(str, len);
-            }
-            str = mParser->getAttributeStringValue(i, &len);
-            if (str) {
-                attr.value.assign(str, len);
-            }
-            mAttributes.push_back(std::move(attr));
-        }
-    }
-}
-
-} // namespace aapt
diff --git a/tools/aapt2/BinaryXmlPullParser.h b/tools/aapt2/BinaryXmlPullParser.h
deleted file mode 100644
index 16fc8b7..0000000
--- a/tools/aapt2/BinaryXmlPullParser.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef AAPT_BINARY_XML_PULL_PARSER_H
-#define AAPT_BINARY_XML_PULL_PARSER_H
-
-#include "XmlPullParser.h"
-
-#include <androidfw/ResourceTypes.h>
-#include <memory>
-#include <string>
-#include <vector>
-
-namespace aapt {
-
-/**
- * Wraps a ResTable into the canonical XmlPullParser interface.
- */
-class BinaryXmlPullParser : public XmlPullParser {
-public:
-    BinaryXmlPullParser(const std::shared_ptr<android::ResXMLTree>& parser);
-    BinaryXmlPullParser(const BinaryXmlPullParser& rhs) = delete;
-
-    Event getEvent() const override;
-    const std::string& getLastError() const override;
-    Event next() override;
-
-    const std::u16string& getComment() const override;
-    size_t getLineNumber() const override;
-    size_t getDepth() const override;
-
-    const std::u16string& getText() const override;
-
-    const std::u16string& getNamespacePrefix() const override;
-    const std::u16string& getNamespaceUri() const override;
-    bool applyPackageAlias(std::u16string* package, const std::u16string& defaultpackage)
-            const override;
-
-    const std::u16string& getElementNamespace() const override;
-    const std::u16string& getElementName() const override;
-
-    const_iterator beginAttributes() const override;
-    const_iterator endAttributes() const override;
-    size_t getAttributeCount() const override;
-
-private:
-    void copyAttributes();
-
-    std::shared_ptr<android::ResXMLTree> mParser;
-    std::u16string mStr1;
-    std::u16string mStr2;
-    std::vector<Attribute> mAttributes;
-    Event mEvent;
-    bool mHasComment;
-    const std::u16string sEmpty;
-    const std::string sEmpty8;
-    size_t mDepth;
-    std::vector<std::pair<std::u16string, std::u16string>> mPackageAliases;
-};
-
-} // namespace aapt
-
-#endif // AAPT_BINARY_XML_PULL_PARSER_H
diff --git a/tools/aapt2/Main.cpp b/tools/aapt2/Main.cpp
index 91639c5..de2dafc 100644
--- a/tools/aapt2/Main.cpp
+++ b/tools/aapt2/Main.cpp
@@ -17,13 +17,13 @@
 #include "AppInfo.h"
 #include "BigBuffer.h"
 #include "BinaryResourceParser.h"
-#include "BinaryXmlPullParser.h"
 #include "BindingXmlPullParser.h"
 #include "Debug.h"
 #include "Files.h"
 #include "Flag.h"
 #include "JavaClassGenerator.h"
 #include "Linker.h"
+#include "ManifestMerger.h"
 #include "ManifestParser.h"
 #include "ManifestValidator.h"
 #include "NameMangler.h"
@@ -57,6 +57,20 @@
 using namespace aapt;
 
 /**
+ * Used with smart pointers to free malloc'ed memory.
+ */
+struct DeleteMalloc {
+    void operator()(void* ptr) {
+        free(ptr);
+    }
+};
+
+struct StaticLibraryData {
+    Source source;
+    std::unique_ptr<ZipFile> apk;
+};
+
+/**
  * Collect files from 'root', filtering out any files that do not
  * match the FileFilter 'filter'.
  */
@@ -128,7 +142,7 @@
                     auto iter = style.entries.begin();
                     while (iter != style.entries.end()) {
                         if (iter->key.name.package == u"android") {
-                            size_t sdkLevel = findAttributeSdkLevel(iter->key.name.entry);
+                            size_t sdkLevel = findAttributeSdkLevel(iter->key.name);
                             if (sdkLevel > 1 && sdkLevel > configValue.config.sdkVersion) {
                                 // Record that we are about to strip this.
                                 stripped.emplace_back(std::move(*iter));
@@ -300,6 +314,42 @@
     ResourceName dumpStyleTarget;
 };
 
+struct IdCollector : public xml::Visitor {
+    IdCollector(const Source& source, const std::shared_ptr<ResourceTable>& table) :
+            mSource(source), mTable(table) {
+    }
+
+    virtual void visit(xml::Text* node) override {}
+
+    virtual void visit(xml::Namespace* node) override {
+        for (const auto& child : node->children) {
+            child->accept(this);
+        }
+    }
+
+    virtual void visit(xml::Element* node) override {
+        for (const xml::Attribute& attr : node->attributes) {
+            bool create = false;
+            bool priv = false;
+            ResourceNameRef nameRef;
+            if (ResourceParser::tryParseReference(attr.value, &nameRef, &create, &priv)) {
+                if (create) {
+                    mTable->addResource(nameRef, {}, mSource.line(node->lineNumber),
+                                        util::make_unique<Id>());
+                }
+            }
+        }
+
+        for (const auto& child : node->children) {
+            child->accept(this);
+        }
+    }
+
+private:
+    Source mSource;
+    std::shared_ptr<ResourceTable> mTable;
+};
+
 bool compileXml(const AaptOptions& options, const std::shared_ptr<ResourceTable>& table,
                 const CompileItem& item, ZipFile* outApk) {
     std::ifstream in(item.source.path, std::ifstream::binary);
@@ -308,20 +358,19 @@
         return false;
     }
 
+    SourceLogger logger(item.source);
+    std::unique_ptr<xml::Node> root = xml::inflate(&in, &logger);
+    if (!root) {
+        return false;
+    }
+
+    // Collect any resource ID's declared here.
+    IdCollector idCollector(item.source, table);
+    root->accept(&idCollector);
+
     BigBuffer outBuffer(1024);
-
-    // No resolver, since we are not compiling attributes here.
-    XmlFlattener flattener(table, {});
-
-    XmlFlattener::Options xmlOptions;
-    xmlOptions.defaultPackage = table->getPackage();
-    xmlOptions.keepRawValues = true;
-
-    std::shared_ptr<XmlPullParser> parser = std::make_shared<SourceXmlPullParser>(in);
-
-    Maybe<size_t> minStrippedSdk = flattener.flatten(item.source, parser, &outBuffer,
-                                                     xmlOptions);
-    if (!minStrippedSdk) {
+    if (!xml::flatten(root.get(), options.appInfo.package, &outBuffer)) {
+        logger.error() << "failed to encode XML." << std::endl;
         return false;
     }
 
@@ -369,19 +418,13 @@
 bool linkXml(const AaptOptions& options, const std::shared_ptr<ResourceTable>& table,
              const std::shared_ptr<IResolver>& resolver, const LinkItem& item,
              const void* data, size_t dataLen, ZipFile* outApk, std::queue<LinkItem>* outQueue) {
-    std::shared_ptr<android::ResXMLTree> tree = std::make_shared<android::ResXMLTree>();
-    if (tree->setTo(data, dataLen, false) != android::NO_ERROR) {
+    SourceLogger logger(item.source);
+    std::unique_ptr<xml::Node> root = xml::inflate(data, dataLen, &logger);
+    if (!root) {
         return false;
     }
 
-    std::shared_ptr<XmlPullParser> parser = std::make_shared<BinaryXmlPullParser>(tree);
-
-    BigBuffer outBuffer(1024);
-    XmlFlattener flattener({}, resolver);
-
-    XmlFlattener::Options xmlOptions;
-    xmlOptions.defaultPackage = item.originalPackage;
-
+    xml::FlattenOptions xmlOptions;
     if (options.packageType == AaptOptions::PackageType::StaticLibrary) {
         xmlOptions.keepRawValues = true;
     }
@@ -392,16 +435,12 @@
         xmlOptions.maxSdkAttribute = item.config.sdkVersion ? item.config.sdkVersion : 1;
     }
 
-    std::shared_ptr<BindingXmlPullParser> binding;
-    if (item.name.type == ResourceType::kLayout) {
-        // Layouts may have defined bindings, so we need to make sure they get processed.
-        binding = std::make_shared<BindingXmlPullParser>(parser);
-        parser = binding;
-    }
-
-    Maybe<size_t> minStrippedSdk = flattener.flatten(item.source, parser, &outBuffer,
-                                                     xmlOptions);
+    BigBuffer outBuffer(1024);
+    Maybe<size_t> minStrippedSdk = xml::flattenAndLink(item.source, root.get(),
+                                                       item.originalPackage, resolver,
+                                                       xmlOptions, &outBuffer);
     if (!minStrippedSdk) {
+        logger.error() << "failed to encode XML." << std::endl;
         return false;
     }
 
@@ -431,30 +470,6 @@
                                       << buildFileReference(item) << "' to apk." << std::endl;
         return false;
     }
-
-    if (binding && !options.bindingOutput.path.empty()) {
-        // We generated a binding xml file, write it out.
-        Source bindingOutput = options.bindingOutput;
-        appendPath(&bindingOutput.path, buildFileReference(item));
-
-        if (!mkdirs(bindingOutput.path)) {
-            Logger::error(bindingOutput) << strerror(errno) << std::endl;
-            return false;
-        }
-
-        appendPath(&bindingOutput.path, "bind.xml");
-
-        std::ofstream bout(bindingOutput.path);
-        if (!bout) {
-            Logger::error(bindingOutput) << strerror(errno) << std::endl;
-            return false;
-        }
-
-        if (!binding->writeToFile(bout)) {
-            Logger::error(bindingOutput) << strerror(errno) << std::endl;
-            return false;
-        }
-    }
     return true;
 }
 
@@ -493,6 +508,7 @@
 }
 
 bool compileManifest(const AaptOptions& options, const std::shared_ptr<IResolver>& resolver,
+                     const std::map<std::shared_ptr<ResourceTable>, StaticLibraryData>& libApks,
                      const android::ResTable& table, ZipFile* outApk) {
     if (options.verbose) {
         Logger::note(options.manifest) << "compiling AndroidManifest.xml." << std::endl;
@@ -504,13 +520,46 @@
         return false;
     }
 
-    BigBuffer outBuffer(1024);
-    std::shared_ptr<XmlPullParser> xmlParser = std::make_shared<SourceXmlPullParser>(in);
-    XmlFlattener flattener({}, resolver);
+    SourceLogger logger(options.manifest);
+    std::unique_ptr<xml::Node> root = xml::inflate(&in, &logger);
+    if (!root) {
+        return false;
+    }
 
-    XmlFlattener::Options xmlOptions;
-    xmlOptions.defaultPackage = options.appInfo.package;
-    if (!flattener.flatten(options.manifest, xmlParser, &outBuffer, xmlOptions)) {
+    ManifestMerger merger({});
+    if (!merger.setAppManifest(options.manifest, options.appInfo.package, std::move(root))) {
+        return false;
+    }
+
+    for (const auto& entry : libApks) {
+        ZipFile* libApk = entry.second.apk.get();
+        const std::u16string& libPackage = entry.first->getPackage();
+        const Source& libSource = entry.second.source;
+
+        ZipEntry* zipEntry = libApk->getEntryByName("AndroidManifest.xml");
+        if (!zipEntry) {
+            continue;
+        }
+
+        std::unique_ptr<void, DeleteMalloc> uncompressedData = std::unique_ptr<void, DeleteMalloc>(
+                libApk->uncompress(zipEntry));
+        assert(uncompressedData);
+
+        SourceLogger logger(libSource);
+        std::unique_ptr<xml::Node> libRoot = xml::inflate(uncompressedData.get(),
+                                                          zipEntry->getUncompressedLen(), &logger);
+        if (!libRoot) {
+            return false;
+        }
+
+        if (!merger.mergeLibraryManifest(libSource, libPackage, std::move(libRoot))) {
+            return false;
+        }
+    }
+
+    BigBuffer outBuffer(1024);
+    if (!xml::flattenAndLink(options.manifest, merger.getMergedXml(), options.appInfo.package,
+                resolver, {}, &outBuffer)) {
         return false;
     }
 
@@ -665,17 +714,6 @@
 static constexpr int kOpenFlags = ZipFile::kOpenCreate | ZipFile::kOpenTruncate |
         ZipFile::kOpenReadWrite;
 
-struct DeleteMalloc {
-    void operator()(void* ptr) {
-        free(ptr);
-    }
-};
-
-struct StaticLibraryData {
-    Source source;
-    std::unique_ptr<ZipFile> apk;
-};
-
 bool link(const AaptOptions& options, const std::shared_ptr<ResourceTable>& outTable,
           const std::shared_ptr<IResolver>& resolver) {
     std::map<std::shared_ptr<ResourceTable>, StaticLibraryData> apkFiles;
@@ -768,7 +806,7 @@
     }
 
     android::ResTable binTable;
-    if (!compileManifest(options, resolver, binTable, &outApk)) {
+    if (!compileManifest(options, resolver, apkFiles, binTable, &outApk)) {
         return false;
     }
 
diff --git a/tools/aapt2/ManifestMerger.cpp b/tools/aapt2/ManifestMerger.cpp
new file mode 100644
index 0000000..71d3424
--- /dev/null
+++ b/tools/aapt2/ManifestMerger.cpp
@@ -0,0 +1,376 @@
+#include "ManifestMerger.h"
+#include "Maybe.h"
+#include "ResourceParser.h"
+#include "Source.h"
+#include "Util.h"
+#include "XmlPullParser.h"
+
+#include <iostream>
+#include <memory>
+#include <set>
+#include <string>
+
+namespace aapt {
+
+constexpr const char16_t* kSchemaAndroid = u"http://schemas.android.com/apk/res/android";
+
+static xml::Element* findManifest(xml::Node* root) {
+    if (!root) {
+        return nullptr;
+    }
+
+    while (root->type == xml::NodeType::kNamespace) {
+        if (root->children.empty()) {
+            break;
+        }
+        root = root->children[0].get();
+    }
+
+    if (root && root->type == xml::NodeType::kElement) {
+        xml::Element* el = static_cast<xml::Element*>(root);
+        if (el->namespaceUri.empty() && el->name == u"manifest") {
+            return el;
+        }
+    }
+    return nullptr;
+}
+
+static xml::Element* findChildWithSameName(xml::Element* parent, xml::Element* src) {
+    xml::Attribute* attrKey = src->findAttribute(kSchemaAndroid, u"name");
+    if (!attrKey) {
+        return nullptr;
+    }
+    return parent->findChildWithAttribute(src->namespaceUri, src->name, attrKey);
+}
+
+static bool attrLess(const xml::Attribute& lhs, const xml::Attribute& rhs) {
+    return std::tie(lhs.namespaceUri, lhs.name, lhs.value)
+            < std::tie(rhs.namespaceUri, rhs.name, rhs.value);
+}
+
+static int compare(xml::Element* lhs, xml::Element* rhs) {
+    int diff = lhs->attributes.size() - rhs->attributes.size();
+    if (diff != 0) {
+        return diff;
+    }
+
+    std::set<xml::Attribute, decltype(&attrLess)> lhsAttrs(&attrLess);
+    lhsAttrs.insert(lhs->attributes.begin(), lhs->attributes.end());
+    for (auto& attr : rhs->attributes) {
+        if (lhsAttrs.erase(attr) == 0) {
+            // The rhs attribute is not in the left.
+            return -1;
+        }
+    }
+
+    if (!lhsAttrs.empty()) {
+        // The lhs has attributes not in the rhs.
+        return 1;
+    }
+    return 0;
+}
+
+ManifestMerger::ManifestMerger(const Options& options) :
+        mOptions(options), mAppLogger({}), mLogger({}) {
+}
+
+bool ManifestMerger::setAppManifest(const Source& source, const std::u16string& package,
+                                    std::unique_ptr<xml::Node> root) {
+
+    mAppLogger = SourceLogger{ source };
+    mRoot = std::move(root);
+    return true;
+}
+
+bool ManifestMerger::checkEqual(xml::Element* elA, xml::Element* elB) {
+    if (compare(elA, elB) != 0) {
+        mLogger.error(elB->lineNumber)
+                << "library tag '" << elB->name << "' conflicts with app tag."
+                << std::endl;
+        mAppLogger.note(elA->lineNumber)
+                << "app tag '" << elA->name << "' defined here."
+                << std::endl;
+        return false;
+    }
+
+    std::vector<xml::Element*> childrenA = elA->getChildElements();
+    std::vector<xml::Element*> childrenB = elB->getChildElements();
+
+    if (childrenA.size() != childrenB.size()) {
+        mLogger.error(elB->lineNumber)
+                << "library tag '" << elB->name << "' children conflict with app tag."
+                << std::endl;
+        mAppLogger.note(elA->lineNumber)
+                << "app tag '" << elA->name << "' defined here."
+                << std::endl;
+        return false;
+    }
+
+    auto cmp = [](xml::Element* lhs, xml::Element* rhs) -> bool {
+        return compare(lhs, rhs) < 0;
+    };
+
+    std::sort(childrenA.begin(), childrenA.end(), cmp);
+    std::sort(childrenB.begin(), childrenB.end(), cmp);
+
+    for (size_t i = 0; i < childrenA.size(); i++) {
+        if (!checkEqual(childrenA[i], childrenB[i])) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool ManifestMerger::mergeNewOrEqual(xml::Element* parentA, xml::Element* elA, xml::Element* elB) {
+    if (!elA) {
+        parentA->addChild(elB->clone());
+        return true;
+    }
+    return checkEqual(elA, elB);
+}
+
+bool ManifestMerger::mergePreferRequired(xml::Element* parentA, xml::Element* elA,
+                                         xml::Element* elB) {
+    if (!elA) {
+        parentA->addChild(elB->clone());
+        return true;
+    }
+
+    xml::Attribute* reqA = elA->findAttribute(kSchemaAndroid, u"required");
+    xml::Attribute* reqB = elB->findAttribute(kSchemaAndroid, u"required");
+    bool requiredA = !reqA || (reqA->value != u"false" && reqA->value != u"FALSE");
+    bool requiredB = !reqB || (reqB->value != u"false" && reqB->value != u"FALSE");
+    if (!requiredA && requiredB) {
+        if (reqA) {
+            *reqA = xml::Attribute{ kSchemaAndroid, u"required", u"true" };
+        } else {
+            elA->attributes.push_back(xml::Attribute{ kSchemaAndroid, u"required", u"true" });
+        }
+    }
+    return true;
+}
+
+static int findIntegerValue(xml::Attribute* attr, int defaultValue) {
+    if (attr) {
+        std::unique_ptr<BinaryPrimitive> integer = ResourceParser::tryParseInt(attr->value);
+        if (integer) {
+            return integer->value.data;
+        }
+    }
+    return defaultValue;
+}
+
+bool ManifestMerger::mergeUsesSdk(xml::Element* elA, xml::Element* elB) {
+    bool error = false;
+    xml::Attribute* minAttrA = nullptr;
+    xml::Attribute* minAttrB = nullptr;
+    if (elA) {
+        minAttrA = elA->findAttribute(kSchemaAndroid, u"minSdkVersion");
+    }
+
+    if (elB) {
+        minAttrB = elB->findAttribute(kSchemaAndroid, u"minSdkVersion");
+    }
+
+    int minSdkA = findIntegerValue(minAttrA, 1);
+    int minSdkB = findIntegerValue(minAttrB, 1);
+
+    if (minSdkA < minSdkB) {
+        std::ostream* out;
+        if (minAttrA) {
+            out = &(mAppLogger.error(elA->lineNumber) << "app declares ");
+        } else if (elA) {
+            out = &(mAppLogger.error(elA->lineNumber) << "app has implied ");
+        } else {
+            out = &(mAppLogger.error() << "app has implied ");
+        }
+
+        *out << "minSdkVersion=" << minSdkA << " but library expects a higher SDK version."
+             << std::endl;
+
+        // elB is valid because minSdkB wouldn't be greater than minSdkA if it wasn't.
+        mLogger.note(elB->lineNumber)
+                << "library declares minSdkVersion=" << minSdkB << "."
+                << std::endl;
+        error = true;
+    }
+
+    xml::Attribute* targetAttrA = nullptr;
+    xml::Attribute* targetAttrB = nullptr;
+
+    if (elA) {
+        targetAttrA = elA->findAttribute(kSchemaAndroid, u"targetSdkVersion");
+    }
+
+    if (elB) {
+        targetAttrB = elB->findAttribute(kSchemaAndroid, u"targetSdkVersion");
+    }
+
+    int targetSdkA = findIntegerValue(targetAttrA, minSdkA);
+    int targetSdkB = findIntegerValue(targetAttrB, minSdkB);
+
+    if (targetSdkA < targetSdkB) {
+        std::ostream* out;
+        if (targetAttrA) {
+            out = &(mAppLogger.warn(elA->lineNumber) << "app declares ");
+        } else if (elA) {
+            out = &(mAppLogger.warn(elA->lineNumber) << "app has implied ");
+        } else {
+            out = &(mAppLogger.warn() << "app has implied ");
+        }
+
+        *out << "targetSdkVerion=" << targetSdkA << " but library expects target SDK "
+             << targetSdkB << "." << std::endl;
+
+        mLogger.note(elB->lineNumber)
+                << "library declares targetSdkVersion=" << targetSdkB << "."
+                << std::endl;
+        error = true;
+    }
+    return !error;
+}
+
+bool ManifestMerger::mergeApplication(xml::Element* applicationA, xml::Element* applicationB) {
+    if (!applicationA || !applicationB) {
+        return true;
+    }
+
+    bool error = false;
+
+    // First make sure that the names are identical.
+    xml::Attribute* nameA = applicationA->findAttribute(kSchemaAndroid, u"name");
+    xml::Attribute* nameB = applicationB->findAttribute(kSchemaAndroid, u"name");
+    if (nameB) {
+        if (!nameA) {
+            applicationA->attributes.push_back(*nameB);
+        } else if (nameA->value != nameB->value) {
+            mLogger.error(applicationB->lineNumber)
+                    << "conflicting application name '"
+                    << nameB->value
+                    << "'." << std::endl;
+            mAppLogger.note(applicationA->lineNumber)
+                    << "application defines application name '"
+                    << nameA->value
+                    << "'." << std::endl;
+            error = true;
+        }
+    }
+
+    // Now we descend into the activity/receiver/service/provider tags
+    for (xml::Element* elB : applicationB->getChildElements()) {
+        if (!elB->namespaceUri.empty()) {
+            continue;
+        }
+
+        if (elB->name == u"activity" || elB->name == u"activity-alias"
+                || elB->name == u"service" || elB->name == u"receiver"
+                || elB->name == u"provider" || elB->name == u"meta-data") {
+            xml::Element* elA = findChildWithSameName(applicationA, elB);
+            error |= !mergeNewOrEqual(applicationA, elA, elB);
+        } else if (elB->name == u"uses-library") {
+            xml::Element* elA = findChildWithSameName(applicationA, elB);
+            error |= !mergePreferRequired(applicationA, elA, elB);
+        }
+    }
+    return !error;
+}
+
+bool ManifestMerger::mergeLibraryManifest(const Source& source, const std::u16string& package,
+                                          std::unique_ptr<xml::Node> libRoot) {
+    mLogger = SourceLogger{ source };
+    xml::Element* manifestA = findManifest(mRoot.get());
+    xml::Element* manifestB = findManifest(libRoot.get());
+    if (!manifestA) {
+        mAppLogger.error() << "missing manifest tag." << std::endl;
+        return false;
+    }
+
+    if (!manifestB) {
+        mLogger.error() << "library missing manifest tag." << std::endl;
+        return false;
+    }
+
+    bool error = false;
+
+    // Do <application> first.
+    xml::Element* applicationA = manifestA->findChild({}, u"application");
+    xml::Element* applicationB = manifestB->findChild({}, u"application");
+    error |= !mergeApplication(applicationA, applicationB);
+
+    // Do <uses-sdk> next.
+    xml::Element* usesSdkA = manifestA->findChild({}, u"uses-sdk");
+    xml::Element* usesSdkB = manifestB->findChild({}, u"uses-sdk");
+    error |= !mergeUsesSdk(usesSdkA, usesSdkB);
+
+    for (xml::Element* elB : manifestB->getChildElements()) {
+        if (!elB->namespaceUri.empty()) {
+            continue;
+        }
+
+        if (elB->name == u"uses-permission" || elB->name == u"permission"
+                || elB->name == u"permission-group" || elB->name == u"permission-tree") {
+            xml::Element* elA = findChildWithSameName(manifestA, elB);
+            error |= !mergeNewOrEqual(manifestA, elA, elB);
+        } else if (elB->name == u"uses-feature") {
+            xml::Element* elA = findChildWithSameName(manifestA, elB);
+            error |= !mergePreferRequired(manifestA, elA, elB);
+        } else if (elB->name == u"uses-configuration" || elB->name == u"supports-screen"
+                || elB->name == u"compatible-screens" || elB->name == u"supports-gl-texture") {
+            xml::Element* elA = findChildWithSameName(manifestA, elB);
+            error |= !checkEqual(elA, elB);
+        }
+    }
+    return !error;
+}
+
+static void printMerged(xml::Node* node, int depth) {
+    std::string indent;
+    for (int i = 0; i < depth; i++) {
+        indent += "  ";
+    }
+
+    switch (node->type) {
+        case xml::NodeType::kNamespace:
+            std::cerr << indent << "N: "
+                      << "xmlns:" << static_cast<xml::Namespace*>(node)->namespacePrefix
+                      << "=\"" << static_cast<xml::Namespace*>(node)->namespaceUri
+                      << "\"\n";
+            break;
+
+        case xml::NodeType::kElement:
+            std::cerr << indent << "E: "
+                      << static_cast<xml::Element*>(node)->namespaceUri
+                      << ":" << static_cast<xml::Element*>(node)->name
+                      << "\n";
+            for (const auto& attr : static_cast<xml::Element*>(node)->attributes) {
+                std::cerr << indent << "  A: "
+                          << attr.namespaceUri
+                          << ":" << attr.name
+                          << "=\"" << attr.value << "\"\n";
+            }
+            break;
+
+        case xml::NodeType::kText:
+            std::cerr << indent << "T: \"" << static_cast<xml::Text*>(node)->text << "\"\n";
+            break;
+    }
+
+    for (auto& child : node->children) {
+        printMerged(child.get(), depth + 1);
+    }
+}
+
+xml::Node* ManifestMerger::getMergedXml() {
+    return mRoot.get();
+}
+
+bool ManifestMerger::printMerged() {
+    if (!mRoot) {
+        return false;
+    }
+
+    ::aapt::printMerged(mRoot.get(), 0);
+    return true;
+}
+
+} // namespace aapt
diff --git a/tools/aapt2/ManifestMerger.h b/tools/aapt2/ManifestMerger.h
new file mode 100644
index 0000000..c6219db
--- /dev/null
+++ b/tools/aapt2/ManifestMerger.h
@@ -0,0 +1,45 @@
+#ifndef AAPT_MANIFEST_MERGER_H
+#define AAPT_MANIFEST_MERGER_H
+
+#include "Logger.h"
+#include "Source.h"
+#include "XmlDom.h"
+
+#include <memory>
+#include <string>
+
+namespace aapt {
+
+class ManifestMerger {
+public:
+    struct Options {
+    };
+
+    ManifestMerger(const Options& options);
+
+    bool setAppManifest(const Source& source, const std::u16string& package,
+                        std::unique_ptr<xml::Node> root);
+
+    bool mergeLibraryManifest(const Source& source, const std::u16string& package,
+                              std::unique_ptr<xml::Node> libRoot);
+
+    xml::Node* getMergedXml();
+
+    bool printMerged();
+
+private:
+    bool mergeNewOrEqual(xml::Element* parentA, xml::Element* elA, xml::Element* elB);
+    bool mergePreferRequired(xml::Element* parentA, xml::Element* elA, xml::Element* elB);
+    bool checkEqual(xml::Element* elA, xml::Element* elB);
+    bool mergeApplication(xml::Element* applicationA, xml::Element* applicationB);
+    bool mergeUsesSdk(xml::Element* elA, xml::Element* elB);
+
+    Options mOptions;
+    std::unique_ptr<xml::Node> mRoot;
+    SourceLogger mAppLogger;
+    SourceLogger mLogger;
+};
+
+} // namespace aapt
+
+#endif // AAPT_MANIFEST_MERGER_H
diff --git a/tools/aapt2/ManifestMerger_test.cpp b/tools/aapt2/ManifestMerger_test.cpp
new file mode 100644
index 0000000..6838253
--- /dev/null
+++ b/tools/aapt2/ManifestMerger_test.cpp
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ManifestMerger.h"
+#include "SourceXmlPullParser.h"
+
+#include <gtest/gtest.h>
+#include <sstream>
+#include <string>
+
+namespace aapt {
+
+constexpr const char* kAppManifest = R"EOF(<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-sdk android:minSdkVersion="7" android:targetSdkVersion="21" />
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-feature android:name="android.hardware.GPS" android:required="false" />
+    <application android:name="com.android.library.Application">
+        <activity android:name="com.android.example.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+        <service android:name="com.android.library.Service">
+            <intent-filter>
+                <action android:name="com.android.library.intent.action.SYNC" />
+            </intent-filter>
+        </service>
+    </application>
+</manifest>
+)EOF";
+
+constexpr const char* kLibManifest = R"EOF(<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="21" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-feature android:name="android.hardware.GPS" />
+    <uses-permission android:name="android.permission.GPS" />
+    <application android:name="com.android.library.Application">
+        <service android:name="com.android.library.Service">
+            <intent-filter>
+                <action android:name="com.android.library.intent.action.SYNC" />
+            </intent-filter>
+        </service>
+        <provider android:name="com.android.library.DocumentProvider"
+                  android:authorities="com.android.library.documents"
+                  android:grantUriPermission="true"
+                  android:exported="true"
+                  android:permission="android.permission.MANAGE_DOCUMENTS"
+                  android:enabled="@bool/atLeastKitKat">
+            <intent-filter>
+                <action android:name="android.content.action.DOCUMENTS_PROVIDER" />
+            </intent-filter>
+        </provider>
+    </application>
+</manifest>
+)EOF";
+
+constexpr const char* kBadLibManifest = R"EOF(<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-sdk android:minSdkVersion="17" android:targetSdkVersion="22" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-feature android:name="android.hardware.GPS" />
+    <uses-permission android:name="android.permission.GPS" />
+    <application android:name="com.android.library.Application2">
+        <service android:name="com.android.library.Service">
+            <intent-filter>
+                <action android:name="com.android.library.intent.action.SYNC_ACTION" />
+            </intent-filter>
+        </service>
+    </application>
+</manifest>
+)EOF";
+
+TEST(ManifestMergerTest, MergeManifestsSuccess) {
+    std::stringstream inA(kAppManifest);
+    std::stringstream inB(kLibManifest);
+
+    const Source sourceA = { "AndroidManifest.xml" };
+    const Source sourceB = { "lib.apk/AndroidManifest.xml" };
+    SourceLogger loggerA(sourceA);
+    SourceLogger loggerB(sourceB);
+
+    ManifestMerger merger({});
+    EXPECT_TRUE(merger.setAppManifest(sourceA, u"com.android.example",
+                xml::inflate(&inA, &loggerA)));
+    EXPECT_TRUE(merger.mergeLibraryManifest(sourceB, u"com.android.library",
+                xml::inflate(&inB, &loggerB)));
+}
+
+TEST(ManifestMergerTest, MergeManifestFail) {
+    std::stringstream inA(kAppManifest);
+    std::stringstream inB(kBadLibManifest);
+
+    const Source sourceA = { "AndroidManifest.xml" };
+    const Source sourceB = { "lib.apk/AndroidManifest.xml" };
+    SourceLogger loggerA(sourceA);
+    SourceLogger loggerB(sourceB);
+
+    ManifestMerger merger({});
+    EXPECT_TRUE(merger.setAppManifest(sourceA, u"com.android.example",
+                xml::inflate(&inA, &loggerA)));
+    EXPECT_FALSE(merger.mergeLibraryManifest(sourceB, u"com.android.library",
+                xml::inflate(&inB, &loggerB)));
+}
+
+} // namespace aapt
diff --git a/tools/aapt2/SdkConstants.cpp b/tools/aapt2/SdkConstants.cpp
index 3f156a6..9bdae49 100644
--- a/tools/aapt2/SdkConstants.cpp
+++ b/tools/aapt2/SdkConstants.cpp
@@ -14,11 +14,51 @@
  * limitations under the License.
  */
 
+#include "SdkConstants.h"
+
+#include <algorithm>
 #include <string>
 #include <unordered_map>
+#include <vector>
 
 namespace aapt {
 
+static const std::vector<std::pair<uint16_t, size_t>> sAttrIdMap = {
+    { 0x021c, 1 },
+    { 0x021d, 2 },
+    { 0x0269, SDK_CUPCAKE },
+    { 0x028d, SDK_DONUT },
+    { 0x02ad, SDK_ECLAIR },
+    { 0x02b3, SDK_ECLAIR_0_1 },
+    { 0x02b5, SDK_ECLAIR_MR1 },
+    { 0x02bd, SDK_FROYO },
+    { 0x02cb, SDK_GINGERBREAD },
+    { 0x0361, SDK_HONEYCOMB },
+    { 0x0366, SDK_HONEYCOMB_MR1 },
+    { 0x03a6, SDK_HONEYCOMB_MR2 },
+    { 0x03ae, SDK_JELLY_BEAN },
+    { 0x03cc, SDK_JELLY_BEAN_MR1 },
+    { 0x03da, SDK_JELLY_BEAN_MR2 },
+    { 0x03f1, SDK_KITKAT },
+    { 0x03f6, SDK_KITKAT_WATCH },
+    { 0x04ce, SDK_LOLLIPOP },
+};
+
+static bool lessEntryId(const std::pair<uint16_t, size_t>& p, uint16_t entryId) {
+    return p.first < entryId;
+}
+
+size_t findAttributeSdkLevel(ResourceId id) {
+    if (id.packageId() != 0x01 && id.typeId() != 0x01) {
+        return 0;
+    }
+    auto iter = std::lower_bound(sAttrIdMap.begin(), sAttrIdMap.end(), id.entryId(), lessEntryId);
+    if (iter == sAttrIdMap.end()) {
+        return SDK_LOLLIPOP_MR1;
+    }
+    return iter->second;
+}
+
 static const std::unordered_map<std::u16string, size_t> sAttrMap = {
     { u"marqueeRepeatLimit", 2 },
     { u"windowNoDisplay", 3 },
@@ -682,12 +722,16 @@
     { u"colorEdgeEffect", 21 }
 };
 
-size_t findAttributeSdkLevel(const std::u16string& name) {
-    auto iter = sAttrMap.find(name);
+size_t findAttributeSdkLevel(const ResourceName& name) {
+    if (name.package != u"android" && name.type != ResourceType::kAttr) {
+        return 0;
+    }
+
+    auto iter = sAttrMap.find(name.entry);
     if (iter != sAttrMap.end()) {
         return iter->second;
     }
-    return 0;
+    return SDK_LOLLIPOP_MR1;
 }
 
 } // namespace aapt
diff --git a/tools/aapt2/SdkConstants.h b/tools/aapt2/SdkConstants.h
index 469c355..803da03 100644
--- a/tools/aapt2/SdkConstants.h
+++ b/tools/aapt2/SdkConstants.h
@@ -19,8 +19,6 @@
 
 #include "Resource.h"
 
-#include <string>
-
 namespace aapt {
 
 enum {
@@ -46,7 +44,8 @@
     SDK_LOLLIPOP_MR1 = 22,
 };
 
-size_t findAttributeSdkLevel(const std::u16string& name);
+size_t findAttributeSdkLevel(ResourceId id);
+size_t findAttributeSdkLevel(const ResourceName& name);
 
 } // namespace aapt
 
diff --git a/tools/aapt2/XmlDom.cpp b/tools/aapt2/XmlDom.cpp
new file mode 100644
index 0000000..763029f
--- /dev/null
+++ b/tools/aapt2/XmlDom.cpp
@@ -0,0 +1,431 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Logger.h"
+#include "Util.h"
+#include "XmlDom.h"
+#include "XmlPullParser.h"
+
+#include <cassert>
+#include <memory>
+#include <stack>
+#include <string>
+#include <tuple>
+
+namespace aapt {
+namespace xml {
+
+constexpr char kXmlNamespaceSep = 1;
+
+struct Stack {
+    std::unique_ptr<xml::Node> root;
+    std::stack<xml::Node*> nodeStack;
+    std::u16string pendingComment;
+};
+
+/**
+ * Extracts the namespace and name of an expanded element or attribute name.
+ */
+static void splitName(const char* name, std::u16string* outNs, std::u16string* outName) {
+    const char* p = name;
+    while (*p != 0 && *p != kXmlNamespaceSep) {
+        p++;
+    }
+
+    if (*p == 0) {
+        outNs->clear();
+        *outName = util::utf8ToUtf16(name);
+    } else {
+        *outNs = util::utf8ToUtf16(StringPiece(name, (p - name)));
+        *outName = util::utf8ToUtf16(p + 1);
+    }
+}
+
+static void addToStack(Stack* stack, XML_Parser parser, std::unique_ptr<Node> node) {
+    node->lineNumber = XML_GetCurrentLineNumber(parser);
+    node->columnNumber = XML_GetCurrentColumnNumber(parser);
+
+    Node* thisNode = node.get();
+    if (!stack->nodeStack.empty()) {
+        stack->nodeStack.top()->addChild(std::move(node));
+    } else {
+        stack->root = std::move(node);
+    }
+
+    if (thisNode->type != NodeType::kText) {
+        stack->nodeStack.push(thisNode);
+    }
+}
+
+static void XMLCALL startNamespaceHandler(void* userData, const char* prefix, const char* uri) {
+    XML_Parser parser = reinterpret_cast<XML_Parser>(userData);
+    Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser));
+
+    std::unique_ptr<Namespace> ns = util::make_unique<Namespace>();
+    if (prefix) {
+        ns->namespacePrefix = util::utf8ToUtf16(prefix);
+    }
+
+    if (uri) {
+        ns->namespaceUri = util::utf8ToUtf16(uri);
+    }
+
+    addToStack(stack, parser, std::move(ns));
+}
+
+static void XMLCALL endNamespaceHandler(void* userData, const char* prefix) {
+    XML_Parser parser = reinterpret_cast<XML_Parser>(userData);
+    Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser));
+
+    assert(!stack->nodeStack.empty());
+    stack->nodeStack.pop();
+}
+
+static bool lessAttribute(const Attribute& lhs, const Attribute& rhs) {
+    return std::tie(lhs.namespaceUri, lhs.name, lhs.value) <
+            std::tie(rhs.namespaceUri, rhs.name, rhs.value);
+}
+
+static void XMLCALL startElementHandler(void* userData, const char* name, const char** attrs) {
+    XML_Parser parser = reinterpret_cast<XML_Parser>(userData);
+    Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser));
+
+    std::unique_ptr<Element> el = util::make_unique<Element>();
+    splitName(name, &el->namespaceUri, &el->name);
+
+    while (*attrs) {
+        Attribute attribute;
+        splitName(*attrs++, &attribute.namespaceUri, &attribute.name);
+        attribute.value = util::utf8ToUtf16(*attrs++);
+
+        // Insert in sorted order.
+        auto iter = std::lower_bound(el->attributes.begin(), el->attributes.end(), attribute,
+                                     lessAttribute);
+        el->attributes.insert(iter, std::move(attribute));
+    }
+
+    el->comment = std::move(stack->pendingComment);
+    addToStack(stack, parser, std::move(el));
+}
+
+static void XMLCALL endElementHandler(void* userData, const char* name) {
+    XML_Parser parser = reinterpret_cast<XML_Parser>(userData);
+    Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser));
+
+    assert(!stack->nodeStack.empty());
+    stack->nodeStack.top()->comment = std::move(stack->pendingComment);
+    stack->nodeStack.pop();
+}
+
+static void XMLCALL characterDataHandler(void* userData, const char* s, int len) {
+    XML_Parser parser = reinterpret_cast<XML_Parser>(userData);
+    Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser));
+
+    if (!s || len <= 0) {
+        return;
+    }
+
+    // See if we can just append the text to a previous text node.
+    if (!stack->nodeStack.empty()) {
+        Node* currentParent = stack->nodeStack.top();
+        if (!currentParent->children.empty()) {
+            Node* lastChild = currentParent->children.back().get();
+            if (lastChild->type == NodeType::kText) {
+                Text* text = static_cast<Text*>(lastChild);
+                text->text += util::utf8ToUtf16(StringPiece(s, len));
+                return;
+            }
+        }
+    }
+
+    std::unique_ptr<Text> text = util::make_unique<Text>();
+    text->text = util::utf8ToUtf16(StringPiece(s, len));
+    addToStack(stack, parser, std::move(text));
+}
+
+static void XMLCALL commentDataHandler(void* userData, const char* comment) {
+    XML_Parser parser = reinterpret_cast<XML_Parser>(userData);
+    Stack* stack = reinterpret_cast<Stack*>(XML_GetUserData(parser));
+
+    if (!stack->pendingComment.empty()) {
+        stack->pendingComment += '\n';
+    }
+    stack->pendingComment += util::utf8ToUtf16(comment);
+}
+
+std::unique_ptr<Node> inflate(std::istream* in, SourceLogger* logger) {
+    Stack stack;
+
+    XML_Parser parser = XML_ParserCreateNS(nullptr, kXmlNamespaceSep);
+    XML_SetUserData(parser, &stack);
+    XML_UseParserAsHandlerArg(parser);
+    XML_SetElementHandler(parser, startElementHandler, endElementHandler);
+    XML_SetNamespaceDeclHandler(parser, startNamespaceHandler, endNamespaceHandler);
+    XML_SetCharacterDataHandler(parser, characterDataHandler);
+    XML_SetCommentHandler(parser, commentDataHandler);
+
+    char buffer[1024];
+    while (!in->eof()) {
+        in->read(buffer, sizeof(buffer) / sizeof(buffer[0]));
+        if (in->bad() && !in->eof()) {
+            stack.root = {};
+            logger->error() << strerror(errno) << std::endl;
+            break;
+        }
+
+        if (XML_Parse(parser, buffer, in->gcount(), in->eof()) == XML_STATUS_ERROR) {
+            stack.root = {};
+            logger->error(XML_GetCurrentLineNumber(parser))
+                    << XML_ErrorString(XML_GetErrorCode(parser)) << std::endl;
+            break;
+        }
+    }
+
+    XML_ParserFree(parser);
+    return std::move(stack.root);
+}
+
+static void copyAttributes(Element* el, android::ResXMLParser* parser) {
+    const size_t attrCount = parser->getAttributeCount();
+    if (attrCount > 0) {
+        el->attributes.reserve(attrCount);
+        for (size_t i = 0; i < attrCount; i++) {
+            Attribute attr;
+            size_t len;
+            const char16_t* str16 = parser->getAttributeNamespace(i, &len);
+            if (str16) {
+                attr.namespaceUri.assign(str16, len);
+            }
+
+            str16 = parser->getAttributeName(i, &len);
+            if (str16) {
+                attr.name.assign(str16, len);
+            }
+
+            str16 = parser->getAttributeStringValue(i, &len);
+            if (str16) {
+                attr.value.assign(str16, len);
+            }
+            el->attributes.push_back(std::move(attr));
+        }
+    }
+}
+
+std::unique_ptr<Node> inflate(const void* data, size_t dataLen, SourceLogger* logger) {
+    std::unique_ptr<Node> root;
+    std::stack<Node*> nodeStack;
+
+    android::ResXMLTree tree;
+    if (tree.setTo(data, dataLen) != android::NO_ERROR) {
+        return {};
+    }
+
+    android::ResXMLParser::event_code_t code;
+    while ((code = tree.next()) != android::ResXMLParser::BAD_DOCUMENT &&
+            code != android::ResXMLParser::END_DOCUMENT) {
+        std::unique_ptr<Node> newNode;
+        switch (code) {
+            case android::ResXMLParser::START_NAMESPACE: {
+                std::unique_ptr<Namespace> node = util::make_unique<Namespace>();
+                size_t len;
+                const char16_t* str16 = tree.getNamespacePrefix(&len);
+                if (str16) {
+                    node->namespacePrefix.assign(str16, len);
+                }
+
+                str16 = tree.getNamespaceUri(&len);
+                if (str16) {
+                    node->namespaceUri.assign(str16, len);
+                }
+                newNode = std::move(node);
+                break;
+            }
+
+            case android::ResXMLParser::START_TAG: {
+                std::unique_ptr<Element> node = util::make_unique<Element>();
+                size_t len;
+                const char16_t* str16 = tree.getElementNamespace(&len);
+                if (str16) {
+                    node->namespaceUri.assign(str16, len);
+                }
+
+                str16 = tree.getElementName(&len);
+                if (str16) {
+                    node->name.assign(str16, len);
+                }
+
+                copyAttributes(node.get(), &tree);
+
+                newNode = std::move(node);
+                break;
+            }
+
+            case android::ResXMLParser::TEXT: {
+                std::unique_ptr<Text> node = util::make_unique<Text>();
+                size_t len;
+                const char16_t* str16 = tree.getText(&len);
+                if (str16) {
+                    node->text.assign(str16, len);
+                }
+                newNode = std::move(node);
+                break;
+            }
+
+            case android::ResXMLParser::END_NAMESPACE:
+            case android::ResXMLParser::END_TAG:
+                assert(!nodeStack.empty());
+                nodeStack.pop();
+                break;
+
+            default:
+                assert(false);
+                break;
+        }
+
+        if (newNode) {
+            newNode->lineNumber = tree.getLineNumber();
+
+            Node* thisNode = newNode.get();
+            if (!root) {
+                assert(nodeStack.empty());
+                root = std::move(newNode);
+            } else {
+                assert(!nodeStack.empty());
+                nodeStack.top()->addChild(std::move(newNode));
+            }
+
+            if (thisNode->type != NodeType::kText) {
+                nodeStack.push(thisNode);
+            }
+        }
+    }
+    return std::move(root);
+}
+
+Node::Node(NodeType type) : type(type), parent(nullptr), lineNumber(0), columnNumber(0) {
+}
+
+void Node::addChild(std::unique_ptr<Node> child) {
+    child->parent = this;
+    children.push_back(std::move(child));
+}
+
+Namespace::Namespace() : BaseNode(NodeType::kNamespace) {
+}
+
+std::unique_ptr<Node> Namespace::clone() const {
+    Namespace* ns = new Namespace();
+    ns->lineNumber = lineNumber;
+    ns->columnNumber = columnNumber;
+    ns->comment = comment;
+    ns->namespacePrefix = namespacePrefix;
+    ns->namespaceUri = namespaceUri;
+    for (auto& child : children) {
+        ns->addChild(child->clone());
+    }
+    return std::unique_ptr<Node>(ns);
+}
+
+Element::Element() : BaseNode(NodeType::kElement) {
+}
+
+std::unique_ptr<Node> Element::clone() const {
+    Element* el = new Element();
+    el->lineNumber = lineNumber;
+    el->columnNumber = columnNumber;
+    el->comment = comment;
+    el->namespaceUri = namespaceUri;
+    el->name = name;
+    el->attributes = attributes;
+    for (auto& child : children) {
+        el->addChild(child->clone());
+    }
+    return std::unique_ptr<Node>(el);
+}
+
+Attribute* Element::findAttribute(const StringPiece16& ns, const StringPiece16& name) {
+    for (auto& attr : attributes) {
+        if (ns == attr.namespaceUri && name == attr.name) {
+            return &attr;
+        }
+    }
+    return nullptr;
+}
+
+Element* Element::findChild(const StringPiece16& ns, const StringPiece16& name) {
+    return findChildWithAttribute(ns, name, nullptr);
+}
+
+Element* Element::findChildWithAttribute(const StringPiece16& ns, const StringPiece16& name,
+                                         const Attribute* reqAttr) {
+    for (auto& childNode : children) {
+        Node* child = childNode.get();
+        while (child->type == NodeType::kNamespace) {
+            if (child->children.empty()) {
+                break;
+            }
+            child = child->children[0].get();
+        }
+
+        if (child->type == NodeType::kElement) {
+            Element* el = static_cast<Element*>(child);
+            if (ns == el->namespaceUri && name == el->name) {
+                if (!reqAttr) {
+                    return el;
+                }
+
+                Attribute* attrName = el->findAttribute(reqAttr->namespaceUri, reqAttr->name);
+                if (attrName && attrName->value == reqAttr->value) {
+                    return el;
+                }
+            }
+        }
+    }
+    return nullptr;
+}
+
+std::vector<Element*> Element::getChildElements() {
+    std::vector<Element*> elements;
+    for (auto& childNode : children) {
+        Node* child = childNode.get();
+        while (child->type == NodeType::kNamespace) {
+            if (child->children.empty()) {
+                break;
+            }
+            child = child->children[0].get();
+        }
+
+        if (child->type == NodeType::kElement) {
+            elements.push_back(static_cast<Element*>(child));
+        }
+    }
+    return elements;
+}
+
+Text::Text() : BaseNode(NodeType::kText) {
+}
+
+std::unique_ptr<Node> Text::clone() const {
+    Text* el = new Text();
+    el->lineNumber = lineNumber;
+    el->columnNumber = columnNumber;
+    el->comment = comment;
+    el->text = text;
+    return std::unique_ptr<Node>(el);
+}
+
+} // namespace xml
+} // namespace aapt
diff --git a/tools/aapt2/XmlDom.h b/tools/aapt2/XmlDom.h
new file mode 100644
index 0000000..6931884
--- /dev/null
+++ b/tools/aapt2/XmlDom.h
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AAPT_XML_DOM_H
+#define AAPT_XML_DOM_H
+
+#include "Logger.h"
+#include "StringPiece.h"
+
+#include <istream>
+#include <libexpat/expat.h>
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace aapt {
+namespace xml {
+
+struct Visitor;
+
+/**
+ * The type of node. Can be used to downcast to the concrete XML node
+ * class.
+ */
+enum class NodeType {
+    kNamespace,
+    kElement,
+    kText,
+};
+
+/**
+ * Base class for all XML nodes.
+ */
+struct Node {
+    NodeType type;
+    Node* parent;
+    size_t lineNumber;
+    size_t columnNumber;
+    std::u16string comment;
+    std::vector<std::unique_ptr<Node>> children;
+
+    Node(NodeType type);
+    void addChild(std::unique_ptr<Node> child);
+    virtual std::unique_ptr<Node> clone() const = 0;
+    virtual void accept(Visitor* visitor) = 0;
+    virtual ~Node() {}
+};
+
+/**
+ * Base class that implements the visitor methods for a
+ * subclass of Node.
+ */
+template <typename Derived>
+struct BaseNode : public Node {
+    BaseNode(NodeType t);
+    virtual void accept(Visitor* visitor) override;
+};
+
+/**
+ * A Namespace XML node. Can only have one child.
+ */
+struct Namespace : public BaseNode<Namespace> {
+    std::u16string namespacePrefix;
+    std::u16string namespaceUri;
+
+    Namespace();
+    virtual std::unique_ptr<Node> clone() const override;
+};
+
+/**
+ * An XML attribute.
+ */
+struct Attribute {
+    std::u16string namespaceUri;
+    std::u16string name;
+    std::u16string value;
+};
+
+/**
+ * An Element XML node.
+ */
+struct Element : public BaseNode<Element> {
+    std::u16string namespaceUri;
+    std::u16string name;
+    std::vector<Attribute> attributes;
+
+    Element();
+    virtual std::unique_ptr<Node> clone() const override;
+    Attribute* findAttribute(const StringPiece16& ns, const StringPiece16& name);
+    xml::Element* findChild(const StringPiece16& ns, const StringPiece16& name);
+    xml::Element* findChildWithAttribute(const StringPiece16& ns, const StringPiece16& name,
+                                         const xml::Attribute* reqAttr);
+    std::vector<xml::Element*> getChildElements();
+};
+
+/**
+ * A Text (CDATA) XML node. Can not have any children.
+ */
+struct Text : public BaseNode<Text> {
+    std::u16string text;
+
+    Text();
+    virtual std::unique_ptr<Node> clone() const override;
+};
+
+/**
+ * Inflates an XML DOM from a text stream, logging errors to the logger.
+ * Returns the root node on success, or nullptr on failure.
+ */
+std::unique_ptr<Node> inflate(std::istream* in, SourceLogger* logger);
+
+/**
+ * Inflates an XML DOM from a binary ResXMLTree, logging errors to the logger.
+ * Returns the root node on success, or nullptr on failure.
+ */
+std::unique_ptr<Node> inflate(const void* data, size_t dataLen, SourceLogger* logger);
+
+/**
+ * A visitor interface for the different XML Node subtypes.
+ */
+struct Visitor {
+    virtual void visit(Namespace* node) = 0;
+    virtual void visit(Element* node) = 0;
+    virtual void visit(Text* text) = 0;
+};
+
+// Implementations
+
+template <typename Derived>
+BaseNode<Derived>::BaseNode(NodeType type) : Node(type) {
+}
+
+template <typename Derived>
+void BaseNode<Derived>::accept(Visitor* visitor) {
+    visitor->visit(static_cast<Derived*>(this));
+}
+
+} // namespace xml
+} // namespace aapt
+
+#endif // AAPT_XML_DOM_H
diff --git a/tools/aapt2/XmlDom_test.cpp b/tools/aapt2/XmlDom_test.cpp
new file mode 100644
index 0000000..0217144
--- /dev/null
+++ b/tools/aapt2/XmlDom_test.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "XmlDom.h"
+
+#include <gtest/gtest.h>
+#include <sstream>
+#include <string>
+
+namespace aapt {
+
+constexpr const char* kXmlPreamble = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
+
+TEST(XmlDomTest, Inflate) {
+    std::stringstream in(kXmlPreamble);
+    in << R"EOF(
+        <Layout xmlns:android="http://schemas.android.com/apk/res/android"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+            <TextView android:id="@+id/id"
+                      android:layout_width="wrap_content"
+                      android:layout_height="wrap_content" />
+        </Layout>
+    )EOF";
+
+    SourceLogger logger(Source{ "/test/path" });
+    std::unique_ptr<xml::Node> root = xml::inflate(&in, &logger);
+    ASSERT_NE(root, nullptr);
+
+    EXPECT_EQ(root->type, xml::NodeType::kNamespace);
+    xml::Namespace* ns = static_cast<xml::Namespace*>(root.get());
+    EXPECT_EQ(ns->namespaceUri, u"http://schemas.android.com/apk/res/android");
+    EXPECT_EQ(ns->namespacePrefix, u"android");
+}
+
+} // namespace aapt
diff --git a/tools/aapt2/XmlFlattener.cpp b/tools/aapt2/XmlFlattener.cpp
index f78e38d..56b5613d 100644
--- a/tools/aapt2/XmlFlattener.cpp
+++ b/tools/aapt2/XmlFlattener.cpp
@@ -34,425 +34,444 @@
 #include <vector>
 
 namespace aapt {
+namespace xml {
 
-constexpr const char16_t* kSchemaAndroid = u"http://schemas.android.com/apk/res/android";
+constexpr uint32_t kLowPriority = 0xffffffffu;
 
-struct AttributeValueFlattener : ValueVisitor {
-    AttributeValueFlattener(
-            std::shared_ptr<IResolver> resolver, SourceLogger* logger,
-            android::Res_value* outValue, std::shared_ptr<XmlPullParser> parser, bool* outError,
-            StringPool::Ref rawValue, std::u16string* defaultPackage,
-            std::vector<std::pair<StringPool::Ref, android::ResStringPool_ref*>>* outStringRefs) :
-            mResolver(resolver), mLogger(logger), mOutValue(outValue), mParser(parser),
-            mError(outError), mRawValue(rawValue), mDefaultPackage(defaultPackage),
-            mStringRefs(outStringRefs) {
+// A vector that maps String refs to their final destination in the out buffer.
+using FlatStringRefList = std::vector<std::pair<StringPool::Ref, android::ResStringPool_ref*>>;
+
+struct XmlFlattener : public Visitor {
+    XmlFlattener(BigBuffer* outBuffer, StringPool* pool, FlatStringRefList* stringRefs,
+                 const std::u16string& defaultPackage) :
+            mOut(outBuffer), mPool(pool), mStringRefs(stringRefs),
+            mDefaultPackage(defaultPackage) {
     }
 
-    void visit(Reference& reference, ValueVisitorArgs&) override {
-        // First see if we can convert the package name from a prefix to a real
-        // package name.
-        ResourceName aliasedName = reference.name;
+    // No copying.
+    XmlFlattener(const XmlFlattener&) = delete;
+    XmlFlattener& operator=(const XmlFlattener&) = delete;
 
-        if (!reference.name.package.empty()) {
-            // Only if we specified a package do we look for its alias.
-            mParser->applyPackageAlias(&reference.name.package, *mDefaultPackage);
-        } else {
-            reference.name.package = *mDefaultPackage;
+    void writeNamespace(Namespace* node, uint16_t type) {
+        const size_t startIndex = mOut->size();
+        android::ResXMLTree_node* flatNode = mOut->nextBlock<android::ResXMLTree_node>();
+        android::ResXMLTree_namespaceExt* flatNs =
+                mOut->nextBlock<android::ResXMLTree_namespaceExt>();
+        mOut->align4();
+
+        flatNode->header = { type, sizeof(*flatNode), (uint32_t)(mOut->size() - startIndex) };
+        flatNode->lineNumber = node->lineNumber;
+        flatNode->comment.index = -1;
+        addString(node->namespacePrefix, kLowPriority, &flatNs->prefix);
+        addString(node->namespaceUri, kLowPriority, &flatNs->uri);
+    }
+
+    virtual void visit(Namespace* node) override {
+        // Extract the package/prefix from this namespace node.
+        Maybe<std::u16string> package = util::extractPackageFromNamespace(node->namespaceUri);
+        if (package) {
+            mPackageAliases.emplace_back(
+                    node->namespacePrefix,
+                    package.value().empty() ? mDefaultPackage : package.value());
         }
 
-        Maybe<ResourceId> result = mResolver->findId(reference.name);
-        if (!result || !result.value().isValid()) {
-            std::ostream& out = mLogger->error(mParser->getLineNumber())
-                    << "unresolved reference '"
-                    << aliasedName
-                    << "'";
-            if (aliasedName != reference.name) {
-                out << " (aka '" << reference.name << "')";
+        writeNamespace(node, android::RES_XML_START_NAMESPACE_TYPE);
+        for (const auto& child : node->children) {
+            child->accept(this);
+        }
+        writeNamespace(node, android::RES_XML_END_NAMESPACE_TYPE);
+
+        if (package) {
+            mPackageAliases.pop_back();
+        }
+    }
+
+    virtual void visit(Text* node) override {
+        if (util::trimWhitespace(node->text).empty()) {
+            return;
+        }
+
+        const size_t startIndex = mOut->size();
+        android::ResXMLTree_node* flatNode = mOut->nextBlock<android::ResXMLTree_node>();
+        android::ResXMLTree_cdataExt* flatText = mOut->nextBlock<android::ResXMLTree_cdataExt>();
+        mOut->align4();
+
+        const uint16_t type = android::RES_XML_CDATA_TYPE;
+        flatNode->header = { type, sizeof(*flatNode), (uint32_t)(mOut->size() - startIndex) };
+        flatNode->lineNumber = node->lineNumber;
+        flatNode->comment.index = -1;
+        addString(node->text, kLowPriority, &flatText->data);
+    }
+
+    virtual void visit(Element* node) override {
+        const size_t startIndex = mOut->size();
+        android::ResXMLTree_node* flatNode = mOut->nextBlock<android::ResXMLTree_node>();
+        android::ResXMLTree_attrExt* flatElem = mOut->nextBlock<android::ResXMLTree_attrExt>();
+
+        const uint16_t type = android::RES_XML_START_ELEMENT_TYPE;
+        flatNode->header = { type, sizeof(*flatNode), 0 };
+        flatNode->lineNumber = node->lineNumber;
+        flatNode->comment.index = -1;
+
+        addString(node->namespaceUri, kLowPriority, &flatElem->ns);
+        addString(node->name, kLowPriority, &flatElem->name);
+        flatElem->attributeStart = sizeof(*flatElem);
+        flatElem->attributeSize = sizeof(android::ResXMLTree_attribute);
+        flatElem->attributeCount = node->attributes.size();
+
+        if (!writeAttributes(mOut, node, flatElem)) {
+            mError = true;
+        }
+
+        mOut->align4();
+        flatNode->header.size = (uint32_t)(mOut->size() - startIndex);
+
+        for (const auto& child : node->children) {
+            child->accept(this);
+        }
+
+        const size_t startEndIndex = mOut->size();
+        android::ResXMLTree_node* flatEndNode = mOut->nextBlock<android::ResXMLTree_node>();
+        android::ResXMLTree_endElementExt* flatEndElem =
+                mOut->nextBlock<android::ResXMLTree_endElementExt>();
+        mOut->align4();
+
+        const uint16_t endType = android::RES_XML_END_ELEMENT_TYPE;
+        flatEndNode->header = { endType, sizeof(*flatEndNode),
+                (uint32_t)(mOut->size() - startEndIndex) };
+        flatEndNode->lineNumber = node->lineNumber;
+        flatEndNode->comment.index = -1;
+
+        addString(node->namespaceUri, kLowPriority, &flatEndElem->ns);
+        addString(node->name, kLowPriority, &flatEndElem->name);
+    }
+
+    bool success() const {
+        return !mError;
+    }
+
+protected:
+    void addString(const StringPiece16& str, uint32_t priority, android::ResStringPool_ref* dest) {
+        if (!str.empty()) {
+            mStringRefs->emplace_back(mPool->makeRef(str, StringPool::Context{ priority }), dest);
+        } else {
+            // The device doesn't think a string of size 0 is the same as null.
+            dest->index = -1;
+        }
+    }
+
+    void addString(const StringPool::Ref& ref, android::ResStringPool_ref* dest) {
+        mStringRefs->emplace_back(ref, dest);
+    }
+
+    Maybe<std::u16string> getPackageAlias(const std::u16string& prefix) {
+        const auto endIter = mPackageAliases.rend();
+        for (auto iter = mPackageAliases.rbegin(); iter != endIter; ++iter) {
+            if (iter->first == prefix) {
+                return iter->second;
             }
-            out << "'." << std::endl;
-            *mError = true;
-        } else {
-            reference.id = result.value();
-            reference.flatten(*mOutValue);
         }
+        return {};
     }
 
-    void visit(String& string, ValueVisitorArgs&) override {
-        mOutValue->dataType = android::Res_value::TYPE_STRING;
-        mStringRefs->emplace_back(
-                mRawValue,
-                reinterpret_cast<android::ResStringPool_ref*>(mOutValue->data));
+    const std::u16string& getDefaultPackage() const {
+        return mDefaultPackage;
     }
 
-    void visitItem(Item& item, ValueVisitorArgs&) override {
-        item.flatten(*mOutValue);
-    }
+    /**
+     * Subclasses override this to deal with attributes. Attributes can be flattened as
+     * raw values or as resources.
+     */
+    virtual bool writeAttributes(BigBuffer* out, Element* node,
+                                 android::ResXMLTree_attrExt* flatElem) = 0;
 
 private:
-    std::shared_ptr<IResolver> mResolver;
-    SourceLogger* mLogger;
-    android::Res_value* mOutValue;
-    std::shared_ptr<XmlPullParser> mParser;
-    bool* mError;
-    StringPool::Ref mRawValue;
-    std::u16string* mDefaultPackage;
-    std::vector<std::pair<StringPool::Ref, android::ResStringPool_ref*>>* mStringRefs;
+    BigBuffer* mOut;
+    StringPool* mPool;
+    FlatStringRefList* mStringRefs;
+    std::u16string mDefaultPackage;
+    bool mError = false;
+    std::vector<std::pair<std::u16string, std::u16string>> mPackageAliases;
 };
 
-struct XmlAttribute {
-    uint32_t resourceId;
-    const XmlPullParser::Attribute* xmlAttr;
-    const Attribute* attr;
-    StringPool::Ref nameRef;
+/**
+ * Flattens XML, encoding the attributes as raw strings. This is used in the compile phase.
+ */
+struct CompileXmlFlattener : public XmlFlattener {
+    CompileXmlFlattener(BigBuffer* outBuffer, StringPool* pool, FlatStringRefList* stringRefs,
+                        const std::u16string& defaultPackage) :
+            XmlFlattener(outBuffer, pool, stringRefs, defaultPackage) {
+    }
+
+    virtual bool writeAttributes(BigBuffer* out, Element* node,
+                                 android::ResXMLTree_attrExt* flatElem) override {
+        flatElem->attributeCount = node->attributes.size();
+        if (node->attributes.empty()) {
+            return true;
+        }
+
+        android::ResXMLTree_attribute* flatAttrs = out->nextBlock<android::ResXMLTree_attribute>(
+                node->attributes.size());
+        for (const Attribute& attr : node->attributes) {
+            addString(attr.namespaceUri, kLowPriority, &flatAttrs->ns);
+            addString(attr.name, kLowPriority, &flatAttrs->name);
+            addString(attr.value, kLowPriority, &flatAttrs->rawValue);
+            flatAttrs++;
+        }
+        return true;
+    }
 };
 
-static bool lessAttributeId(const XmlAttribute& a, uint32_t id) {
+struct AttributeToFlatten {
+    uint32_t resourceId = 0;
+    const Attribute* xmlAttr = nullptr;
+    const ::aapt::Attribute* resourceAttr = nullptr;
+};
+
+static bool lessAttributeId(const AttributeToFlatten& a, uint32_t id) {
     return a.resourceId < id;
 }
 
-XmlFlattener::XmlFlattener(const std::shared_ptr<ResourceTable>& table,
-                           const std::shared_ptr<IResolver>& resolver) :
-        mTable(table), mResolver(resolver) {
-}
+/**
+ * Flattens XML, encoding the attributes as resources.
+ */
+struct LinkedXmlFlattener : public XmlFlattener {
+    LinkedXmlFlattener(BigBuffer* outBuffer, StringPool* pool,
+                       std::map<std::u16string, StringPool>* packagePools,
+                       FlatStringRefList* stringRefs,
+                       const std::u16string& defaultPackage,
+                       const std::shared_ptr<IResolver>& resolver,
+                       SourceLogger* logger,
+                       const FlattenOptions& options) :
+            XmlFlattener(outBuffer, pool, stringRefs, defaultPackage), mResolver(resolver),
+            mLogger(logger), mPackagePools(packagePools), mOptions(options) {
+    }
+
+    virtual bool writeAttributes(BigBuffer* out, Element* node,
+                                 android::ResXMLTree_attrExt* flatElem) override {
+        bool error = false;
+        std::vector<AttributeToFlatten> sortedAttributes;
+        uint32_t nextAttributeId = 0x80000000u;
+
+        // Sort and filter attributes by their resource ID.
+        for (const Attribute& attr : node->attributes) {
+            AttributeToFlatten attrToFlatten;
+            attrToFlatten.xmlAttr = &attr;
+
+            Maybe<std::u16string> package = util::extractPackageFromNamespace(attr.namespaceUri);
+            if (package) {
+                // Find the Attribute object via our Resolver.
+                ResourceName attrName = { package.value(), ResourceType::kAttr, attr.name };
+                if (attrName.package.empty()) {
+                    attrName.package = getDefaultPackage();
+                }
+
+                Maybe<IResolver::Entry> result = mResolver->findAttribute(attrName);
+                if (!result || !result.value().id.isValid() || !result.value().attr) {
+                    error = true;
+                    mLogger->error(node->lineNumber)
+                            << "unresolved attribute '" << attrName << "'."
+                            << std::endl;
+                } else {
+                    attrToFlatten.resourceId = result.value().id.id;
+                    attrToFlatten.resourceAttr = result.value().attr;
+
+                    size_t sdk = findAttributeSdkLevel(attrToFlatten.resourceId);
+                    if (mOptions.maxSdkAttribute && sdk > mOptions.maxSdkAttribute.value()) {
+                        // We need to filter this attribute out.
+                        mSmallestFilteredSdk = std::min(mSmallestFilteredSdk, sdk);
+                        continue;
+                    }
+                }
+            }
+
+            if (attrToFlatten.resourceId == 0) {
+                // Attributes that have no resource ID (because they don't belong to a
+                // package) should appear after those that do have resource IDs. Assign
+                // them some integer value that will appear after.
+                attrToFlatten.resourceId = nextAttributeId++;
+            }
+
+            // Insert the attribute into the sorted vector.
+            auto iter = std::lower_bound(sortedAttributes.begin(), sortedAttributes.end(),
+                                         attrToFlatten.resourceId, lessAttributeId);
+            sortedAttributes.insert(iter, std::move(attrToFlatten));
+        }
+
+        flatElem->attributeCount = sortedAttributes.size();
+        if (sortedAttributes.empty()) {
+            return true;
+        }
+
+        android::ResXMLTree_attribute* flatAttr = out->nextBlock<android::ResXMLTree_attribute>(
+                sortedAttributes.size());
+
+        // Now that we have sorted the attributes into their final encoded order, it's time
+        // to actually write them out.
+        uint16_t attributeIndex = 1;
+        for (const AttributeToFlatten& attrToFlatten : sortedAttributes) {
+            Maybe<std::u16string> package = util::extractPackageFromNamespace(
+                    attrToFlatten.xmlAttr->namespaceUri);
+
+            // Assign the indices for specific attributes.
+            if (package && package.value() == u"android" && attrToFlatten.xmlAttr->name == u"id") {
+                flatElem->idIndex = attributeIndex;
+            } else if (attrToFlatten.xmlAttr->namespaceUri.empty()) {
+                if (attrToFlatten.xmlAttr->name == u"class") {
+                    flatElem->classIndex = attributeIndex;
+                } else if (attrToFlatten.xmlAttr->name == u"style") {
+                    flatElem->styleIndex = attributeIndex;
+                }
+            }
+            attributeIndex++;
+
+            // Add the namespaceUri and name to the list of StringRefs to encode.
+            addString(attrToFlatten.xmlAttr->namespaceUri, kLowPriority, &flatAttr->ns);
+            flatAttr->rawValue.index = -1;
+
+            if (!attrToFlatten.resourceAttr) {
+                addString(attrToFlatten.xmlAttr->name, kLowPriority, &flatAttr->name);
+            } else {
+                // We've already extracted the package successfully before.
+                assert(package);
+
+                // Attribute names are stored without packages, but we use
+                // their StringPool index to lookup their resource IDs.
+                // This will cause collisions, so we can't dedupe
+                // attribute names from different packages. We use separate
+                // pools that we later combine.
+                //
+                // Lookup the StringPool for this package and make the reference there.
+                StringPool::Ref nameRef = (*mPackagePools)[package.value()].makeRef(
+                        attrToFlatten.xmlAttr->name,
+                        StringPool::Context{ attrToFlatten.resourceId });
+
+                // Add it to the list of strings to flatten.
+                addString(nameRef, &flatAttr->name);
+
+                if (mOptions.keepRawValues) {
+                    // Keep raw values (this is for static libraries).
+                    // TODO(with a smarter inflater for binary XML, we can do without this).
+                    addString(attrToFlatten.xmlAttr->value, kLowPriority, &flatAttr->rawValue);
+                }
+            }
+
+            error |= !flattenItem(node, attrToFlatten.xmlAttr->value, attrToFlatten.resourceAttr,
+                                  flatAttr);
+            flatAttr->typedValue.size = sizeof(flatAttr->typedValue);
+            flatAttr++;
+        }
+        return !error;
+    }
+
+    Maybe<size_t> getSmallestFilteredSdk() const {
+        if (mSmallestFilteredSdk == std::numeric_limits<size_t>::max()) {
+            return {};
+        }
+        return mSmallestFilteredSdk;
+    }
+
+private:
+    bool flattenItem(const Node* el, const std::u16string& value, const ::aapt::Attribute* attr,
+                     android::ResXMLTree_attribute* flatAttr) {
+        std::unique_ptr<Item> item;
+        if (!attr) {
+            bool create = false;
+            item = ResourceParser::tryParseReference(value, &create);
+            if (!item) {
+                flatAttr->typedValue.dataType = android::Res_value::TYPE_STRING;
+                addString(value, kLowPriority, &flatAttr->rawValue);
+                addString(value, kLowPriority, reinterpret_cast<android::ResStringPool_ref*>(
+                        &flatAttr->typedValue.data));
+                return true;
+            }
+        } else {
+            item = ResourceParser::parseItemForAttribute(value, *attr);
+            if (!item) {
+                if (!(attr->typeMask & android::ResTable_map::TYPE_STRING)) {
+                    mLogger->error(el->lineNumber)
+                            << "'"
+                            << value
+                            << "' is not compatible with attribute '"
+                            << *attr
+                            << "'."
+                            << std::endl;
+                    return false;
+                }
+
+                flatAttr->typedValue.dataType = android::Res_value::TYPE_STRING;
+                addString(value, kLowPriority, &flatAttr->rawValue);
+                addString(value, kLowPriority, reinterpret_cast<android::ResStringPool_ref*>(
+                        &flatAttr->typedValue.data));
+                return true;
+            }
+        }
+
+        assert(item);
+
+        bool error = false;
+
+        // If this is a reference, resolve the name into an ID.
+        visitFunc<Reference>(*item, [&](Reference& reference) {
+            // First see if we can convert the package name from a prefix to a real
+            // package name.
+            ResourceName realName = reference.name;
+            if (!realName.package.empty()) {
+                Maybe<std::u16string> package = getPackageAlias(realName.package);
+                if (package) {
+                    realName.package = package.value();
+                }
+            } else {
+                realName.package = getDefaultPackage();
+            }
+
+            Maybe<ResourceId> result = mResolver->findId(realName);
+            if (!result || !result.value().isValid()) {
+                std::ostream& out = mLogger->error(el->lineNumber)
+                        << "unresolved reference '"
+                        << reference.name
+                        << "'";
+                if (realName != reference.name) {
+                    out << " (aka '" << realName << "')";
+                }
+                out << "'." << std::endl;
+                error = true;
+            } else {
+                reference.id = result.value();
+            }
+        });
+
+        if (error) {
+            return false;
+        }
+
+        item->flatten(flatAttr->typedValue);
+        return true;
+    }
+
+    std::shared_ptr<IResolver> mResolver;
+    SourceLogger* mLogger;
+    std::map<std::u16string, StringPool>* mPackagePools;
+    FlattenOptions mOptions;
+    size_t mSmallestFilteredSdk = std::numeric_limits<size_t>::max();
+};
 
 /**
- * Reads events from the parser and writes to a BigBuffer. The binary XML file
- * expects the StringPool to appear first, but we haven't collected the strings yet. We
- * write to a temporary BigBuffer while parsing the input, adding strings we encounter
- * to the StringPool. At the end, we write the StringPool to the given BigBuffer and
+ * The binary XML file expects the StringPool to appear first, but we haven't collected the
+ * strings yet. We write to a temporary BigBuffer while parsing the input, adding strings
+ * we encounter to the StringPool. At the end, we write the StringPool to the given BigBuffer and
  * then move the data from the temporary BigBuffer into the given one. This incurs no
  * copies as the given BigBuffer simply takes ownership of the data.
  */
-Maybe<size_t> XmlFlattener::flatten(const Source& source,
-                                    const std::shared_ptr<XmlPullParser>& parser,
-                                    BigBuffer* outBuffer, Options options) {
-    SourceLogger logger(source);
-    StringPool pool;
-    bool error = false;
-
-    size_t smallestStrippedAttributeSdk = std::numeric_limits<size_t>::max();
-
-    // Attribute names are stored without packages, but we use
-    // their StringPool index to lookup their resource IDs.
-    // This will cause collisions, so we can't dedupe
-    // attribute names from different packages. We use separate
-    // pools that we later combine.
-    std::map<std::u16string, StringPool> packagePools;
-
-    // Attribute resource IDs are stored in the same order
-    // as the attribute names appear in the StringPool.
-    // Since the StringPool contains more than just attribute
-    // names, to maintain a tight packing of resource IDs,
-    // we must ensure that attribute names appear first
-    // in our StringPool. For this, we assign a low priority
-    // (0xffffffff) to non-attribute strings. Attribute
-    // names will be stored along with a priority equal
-    // to their resource ID so that they are ordered.
-    StringPool::Context lowPriority { 0xffffffffu };
-
-    // Once we sort the StringPool, we can assign the updated indices
-    // to the correct data locations.
-    std::vector<std::pair<StringPool::Ref, android::ResStringPool_ref*>> stringRefs;
-
-    // Since we don't know the size of the final StringPool, we write to this
-    // temporary BigBuffer, which we will append to outBuffer later.
-    BigBuffer out(1024);
-    while (XmlPullParser::isGoodEvent(parser->next())) {
-        XmlPullParser::Event event = parser->getEvent();
-        switch (event) {
-            case XmlPullParser::Event::kStartNamespace:
-            case XmlPullParser::Event::kEndNamespace: {
-                const size_t startIndex = out.size();
-                android::ResXMLTree_node* node = out.nextBlock<android::ResXMLTree_node>();
-                if (event == XmlPullParser::Event::kStartNamespace) {
-                    node->header.type = android::RES_XML_START_NAMESPACE_TYPE;
-                } else {
-                    node->header.type = android::RES_XML_END_NAMESPACE_TYPE;
-                }
-
-                node->header.headerSize = sizeof(*node);
-                node->lineNumber = parser->getLineNumber();
-                node->comment.index = -1;
-
-                android::ResXMLTree_namespaceExt* ns =
-                        out.nextBlock<android::ResXMLTree_namespaceExt>();
-                stringRefs.emplace_back(
-                        pool.makeRef(parser->getNamespacePrefix(), lowPriority), &ns->prefix);
-                stringRefs.emplace_back(
-                        pool.makeRef(parser->getNamespaceUri(), lowPriority), &ns->uri);
-
-                out.align4();
-                node->header.size = out.size() - startIndex;
-                break;
-            }
-
-            case XmlPullParser::Event::kStartElement: {
-                const size_t startIndex = out.size();
-                android::ResXMLTree_node* node = out.nextBlock<android::ResXMLTree_node>();
-                node->header.type = android::RES_XML_START_ELEMENT_TYPE;
-                node->header.headerSize = sizeof(*node);
-                node->lineNumber = parser->getLineNumber();
-                node->comment.index = -1;
-
-                android::ResXMLTree_attrExt* elem = out.nextBlock<android::ResXMLTree_attrExt>();
-                if (!parser->getElementNamespace().empty()) {
-                    stringRefs.emplace_back(
-                            pool.makeRef(parser->getElementNamespace(), lowPriority), &elem->ns);
-                } else {
-                    // The device doesn't think a string of size 0 is the same as null.
-                    elem->ns.index = -1;
-                }
-                stringRefs.emplace_back(
-                        pool.makeRef(parser->getElementName(), lowPriority), &elem->name);
-                elem->attributeStart = sizeof(*elem);
-                elem->attributeSize = sizeof(android::ResXMLTree_attribute);
-
-                // The resource system expects attributes to be sorted by resource ID.
-                std::vector<XmlAttribute> sortedAttributes;
-                uint32_t nextAttributeId = 0;
-                const auto endAttrIter = parser->endAttributes();
-                for (auto attrIter = parser->beginAttributes();
-                        attrIter != endAttrIter;
-                        ++attrIter) {
-                    uint32_t id;
-                    StringPool::Ref nameRef;
-                    const Attribute* attr = nullptr;
-
-                    if (options.maxSdkAttribute && attrIter->namespaceUri == kSchemaAndroid) {
-                        size_t sdkVersion = findAttributeSdkLevel(attrIter->name);
-                        if (sdkVersion > options.maxSdkAttribute.value()) {
-                            // We will silently omit this attribute
-                            smallestStrippedAttributeSdk =
-                                    std::min(smallestStrippedAttributeSdk, sdkVersion);
-                            continue;
-                        }
-                    }
-
-                    ResourceNameRef genIdName;
-                    bool create = false;
-                    bool privateRef = false;
-                    if (mTable && ResourceParser::tryParseReference(attrIter->value, &genIdName,
-                            &create, &privateRef) && create) {
-                        mTable->addResource(genIdName, {}, source.line(parser->getLineNumber()),
-                                            util::make_unique<Id>());
-                    }
-
-
-                    Maybe<std::u16string> package = util::extractPackageFromNamespace(
-                            attrIter->namespaceUri);
-                    if (!package || !mResolver) {
-                        // Attributes that have no resource ID (because they don't belong to a
-                        // package) should appear after those that do have resource IDs. Assign
-                        // them some integer value that will appear after.
-                        id = 0x80000000u | nextAttributeId++;
-                        nameRef = pool.makeRef(attrIter->name, StringPool::Context{ id });
-
-                    } else {
-                        // Find the Attribute object via our Resolver.
-                        ResourceName attrName = {
-                                package.value(), ResourceType::kAttr, attrIter->name };
-
-                        if (attrName.package.empty()) {
-                            attrName.package = options.defaultPackage;
-                        }
-
-                        Maybe<IResolver::Entry> result = mResolver->findAttribute(attrName);
-                        if (!result || !result.value().id.isValid()) {
-                            logger.error(parser->getLineNumber())
-                                    << "unresolved attribute '"
-                                    << attrName
-                                    << "'."
-                                    << std::endl;
-                            error = true;
-                            continue;
-                        }
-
-                        if (!result.value().attr) {
-                            logger.error(parser->getLineNumber())
-                                    << "not a valid attribute '"
-                                    << attrName
-                                    << "'."
-                                    << std::endl;
-                            error = true;
-                            continue;
-                        }
-
-                        id = result.value().id.id;
-                        attr = result.value().attr;
-
-                        // Put the attribute name into a package specific pool, since we don't
-                        // want to collapse names from different packages.
-                        nameRef = packagePools[package.value()].makeRef(
-                                attrIter->name, StringPool::Context{ id });
-                    }
-
-                    // Insert the attribute into the sorted vector.
-                    auto iter = std::lower_bound(sortedAttributes.begin(), sortedAttributes.end(),
-                                                 id, lessAttributeId);
-                    sortedAttributes.insert(iter, XmlAttribute{ id, &*attrIter, attr, nameRef });
-                }
-
-                if (error) {
-                    break;
-                }
-
-                // Now that we have filtered out some attributes, get the final count.
-                elem->attributeCount = sortedAttributes.size();
-
-                // Flatten the sorted attributes.
-                uint16_t attributeIndex = 1;
-                for (auto entry : sortedAttributes) {
-                    android::ResXMLTree_attribute* attr =
-                            out.nextBlock<android::ResXMLTree_attribute>();
-                    if (!entry.xmlAttr->namespaceUri.empty()) {
-                        stringRefs.emplace_back(
-                                pool.makeRef(entry.xmlAttr->namespaceUri, lowPriority), &attr->ns);
-                    } else {
-                        attr->ns.index = -1;
-                    }
-
-                    StringPool::Ref rawValueRef = pool.makeRef(entry.xmlAttr->value, lowPriority);
-
-                    stringRefs.emplace_back(entry.nameRef, &attr->name);
-
-                    if (options.keepRawValues) {
-                        stringRefs.emplace_back(rawValueRef, &attr->rawValue);
-                    } else {
-                        attr->rawValue.index = -1;
-                    }
-
-                    // Assign the indices for specific attributes.
-                    if (entry.xmlAttr->namespaceUri == kSchemaAndroid &&
-                            entry.xmlAttr->name == u"id") {
-                        elem->idIndex = attributeIndex;
-                    } else if (entry.xmlAttr->namespaceUri.empty()) {
-                        if (entry.xmlAttr->name == u"class") {
-                            elem->classIndex = attributeIndex;
-                        } else if (entry.xmlAttr->name == u"style") {
-                            elem->styleIndex = attributeIndex;
-                        }
-                    }
-                    attributeIndex++;
-
-                    std::unique_ptr<Item> value;
-                    if (entry.attr) {
-                        value = ResourceParser::parseItemForAttribute(entry.xmlAttr->value,
-                                                                      *entry.attr);
-                    } else {
-                        bool create = false;
-                        value = ResourceParser::tryParseReference(entry.xmlAttr->value, &create);
-                    }
-
-                    if (mResolver && value) {
-                        AttributeValueFlattener flattener(
-                                mResolver,
-                                &logger,
-                                &attr->typedValue,
-                                parser,
-                                &error,
-                                rawValueRef,
-                                &options.defaultPackage,
-                                &stringRefs);
-                        value->accept(flattener, {});
-                    } else if (!value && entry.attr &&
-                            !(entry.attr->typeMask & android::ResTable_map::TYPE_STRING)) {
-                        logger.error(parser->getLineNumber())
-                                << "'"
-                                << *rawValueRef
-                                << "' is not compatible with attribute "
-                                << *entry.attr
-                                << "."
-                                << std::endl;
-                        error = true;
-                    } else {
-                        attr->typedValue.dataType = android::Res_value::TYPE_STRING;
-                        if (!options.keepRawValues) {
-                            // Don't set the string twice.
-                            stringRefs.emplace_back(rawValueRef, &attr->rawValue);
-                        }
-                        stringRefs.emplace_back(rawValueRef,
-                                reinterpret_cast<android::ResStringPool_ref*>(
-                                        &attr->typedValue.data));
-                    }
-                    attr->typedValue.size = sizeof(attr->typedValue);
-                }
-
-                out.align4();
-                node->header.size = out.size() - startIndex;
-                break;
-            }
-
-            case XmlPullParser::Event::kEndElement: {
-                const size_t startIndex = out.size();
-                android::ResXMLTree_node* node = out.nextBlock<android::ResXMLTree_node>();
-                node->header.type = android::RES_XML_END_ELEMENT_TYPE;
-                node->header.headerSize = sizeof(*node);
-                node->lineNumber = parser->getLineNumber();
-                node->comment.index = -1;
-
-                android::ResXMLTree_endElementExt* elem =
-                        out.nextBlock<android::ResXMLTree_endElementExt>();
-                stringRefs.emplace_back(
-                        pool.makeRef(parser->getElementNamespace(), lowPriority), &elem->ns);
-                stringRefs.emplace_back(
-                        pool.makeRef(parser->getElementName(), lowPriority), &elem->name);
-
-                out.align4();
-                node->header.size = out.size() - startIndex;
-                break;
-            }
-
-            case XmlPullParser::Event::kText: {
-                StringPiece16 text = util::trimWhitespace(parser->getText());
-                if (text.empty()) {
-                    break;
-                }
-
-                const size_t startIndex = out.size();
-                android::ResXMLTree_node* node = out.nextBlock<android::ResXMLTree_node>();
-                node->header.type = android::RES_XML_CDATA_TYPE;
-                node->header.headerSize = sizeof(*node);
-                node->lineNumber = parser->getLineNumber();
-                node->comment.index = -1;
-
-                android::ResXMLTree_cdataExt* elem = out.nextBlock<android::ResXMLTree_cdataExt>();
-                stringRefs.emplace_back(pool.makeRef(text, lowPriority), &elem->data);
-
-                out.align4();
-                node->header.size = out.size() - startIndex;
-                break;
-            }
-
-            default:
-                break;
-        }
-
-    }
-    out.align4();
-
-    if (error) {
-        return {};
-    }
-
-    if (parser->getEvent() == XmlPullParser::Event::kBadDocument) {
-        logger.error(parser->getLineNumber())
-                << parser->getLastError()
-                << std::endl;
-        return {};
-    }
-
-    // Merge the package pools into the main pool.
-    for (auto& packagePoolEntry : packagePools) {
-        pool.merge(std::move(packagePoolEntry.second));
-    }
-
-    // Sort so that attribute resource IDs show up first.
-    pool.sort([](const StringPool::Entry& a, const StringPool::Entry& b) -> bool {
+static void flattenXml(StringPool* pool, FlatStringRefList* stringRefs, BigBuffer* outBuffer,
+                       BigBuffer&& xmlTreeBuffer) {
+    // Sort the string pool so that attribute resource IDs show up first.
+    pool->sort([](const StringPool::Entry& a, const StringPool::Entry& b) -> bool {
         return a.context.priority < b.context.priority;
     });
 
     // Now we flatten the string pool references into the correct places.
-    for (const auto& refEntry : stringRefs) {
+    for (const auto& refEntry : *stringRefs) {
         refEntry.second->index = refEntry.first.getIndex();
     }
 
@@ -463,36 +482,93 @@
     header->header.headerSize = sizeof(*header);
 
     // Flatten the StringPool.
-    StringPool::flattenUtf16(outBuffer, pool);
+    StringPool::flattenUtf16(outBuffer, *pool);
 
     // Write the array of resource IDs, indexed by StringPool order.
     const size_t beforeResIdMapIndex = outBuffer->size();
     android::ResChunk_header* resIdMapChunk = outBuffer->nextBlock<android::ResChunk_header>();
     resIdMapChunk->type = android::RES_XML_RESOURCE_MAP_TYPE;
     resIdMapChunk->headerSize = sizeof(*resIdMapChunk);
-    for (const auto& str : pool) {
+    for (const auto& str : *pool) {
         ResourceId id { str->context.priority };
-        if (!id.isValid()) {
+        if (id.id == kLowPriority || !id.isValid()) {
             // When we see the first non-resource ID,
             // we're done.
             break;
         }
 
-        uint32_t* flatId = outBuffer->nextBlock<uint32_t>();
-        *flatId = id.id;
+        *outBuffer->nextBlock<uint32_t>() = id.id;
     }
     resIdMapChunk->size = outBuffer->size() - beforeResIdMapIndex;
 
     // Move the temporary BigBuffer into outBuffer.
-    outBuffer->appendBuffer(std::move(out));
-
+    outBuffer->appendBuffer(std::move(xmlTreeBuffer));
     header->header.size = outBuffer->size() - beforeXmlTreeIndex;
-
-    if (smallestStrippedAttributeSdk == std::numeric_limits<size_t>::max()) {
-        // Nothing was stripped
-        return 0u;
-    }
-    return smallestStrippedAttributeSdk;
 }
 
+bool flatten(Node* root, const std::u16string& defaultPackage, BigBuffer* outBuffer) {
+    StringPool pool;
+
+    // This will hold the StringRefs and the location in which to write the index.
+    // Once we sort the StringPool, we can assign the updated indices
+    // to the correct data locations.
+    FlatStringRefList stringRefs;
+
+    // Since we don't know the size of the final StringPool, we write to this
+    // temporary BigBuffer, which we will append to outBuffer later.
+    BigBuffer out(1024);
+
+    CompileXmlFlattener flattener(&out, &pool, &stringRefs, defaultPackage);
+    root->accept(&flattener);
+
+    if (!flattener.success()) {
+        return false;
+    }
+
+    flattenXml(&pool, &stringRefs, outBuffer, std::move(out));
+    return true;
+};
+
+Maybe<size_t> flattenAndLink(const Source& source, Node* root,
+                             const std::u16string& defaultPackage,
+                             const std::shared_ptr<IResolver>& resolver,
+                             const FlattenOptions& options, BigBuffer* outBuffer) {
+    SourceLogger logger(source);
+    StringPool pool;
+
+    // Attribute names are stored without packages, but we use
+    // their StringPool index to lookup their resource IDs.
+    // This will cause collisions, so we can't dedupe
+    // attribute names from different packages. We use separate
+    // pools that we later combine.
+    std::map<std::u16string, StringPool> packagePools;
+
+    FlatStringRefList stringRefs;
+
+    // Since we don't know the size of the final StringPool, we write to this
+    // temporary BigBuffer, which we will append to outBuffer later.
+    BigBuffer out(1024);
+
+    LinkedXmlFlattener flattener(&out, &pool, &packagePools, &stringRefs, defaultPackage, resolver,
+                                 &logger, options);
+    root->accept(&flattener);
+
+    if (!flattener.success()) {
+        return {};
+    }
+
+    // Merge the package pools into the main pool.
+    for (auto& packagePoolEntry : packagePools) {
+        pool.merge(std::move(packagePoolEntry.second));
+    }
+
+    flattenXml(&pool, &stringRefs, outBuffer, std::move(out));
+
+    if (flattener.getSmallestFilteredSdk()) {
+        return flattener.getSmallestFilteredSdk();
+    }
+    return 0;
+}
+
+} // namespace xml
 } // namespace aapt
diff --git a/tools/aapt2/XmlFlattener.h b/tools/aapt2/XmlFlattener.h
index 2cfcc16..4ece0a3 100644
--- a/tools/aapt2/XmlFlattener.h
+++ b/tools/aapt2/XmlFlattener.h
@@ -21,64 +21,49 @@
 #include "Maybe.h"
 #include "Resolver.h"
 #include "Source.h"
-#include "XmlPullParser.h"
+#include "XmlDom.h"
 
 #include <string>
 
 namespace aapt {
+namespace xml {
 
 /**
  * Flattens an XML file into a binary representation parseable by
- * the Android resource system. References to resources are checked
- * and string values are transformed to typed data where possible.
+ * the Android resource system.
  */
-class XmlFlattener {
-public:
-    struct Options {
-        /**
-         * The package to use when a reference has no package specified
-         * (or a namespace URI equals "http://schemas.android.com/apk/res-auto").
-         */
-        std::u16string defaultPackage;
+bool flatten(Node* root, const std::u16string& defaultPackage, BigBuffer* outBuffer);
 
-        /**
-         * If set, tells the XmlFlattener to strip out
-         * attributes that have been introduced after
-         * max SDK.
-         */
-        Maybe<size_t> maxSdkAttribute;
-
-        /**
-         * Setting this to true will keep the raw string value of
-         * an attribute's value when it has been resolved.
-         */
-        bool keepRawValues = false;
-    };
+/**
+ * Options for flattenAndLink.
+ */
+struct FlattenOptions {
+    /**
+     * Keep attribute raw string values along with typed values.
+     */
+    bool keepRawValues = false;
 
     /**
-     * Creates a flattener with a Resolver to resolve references
-     * and attributes.
+     * If set, any attribute introduced in a later SDK will not be encoded.
      */
-    XmlFlattener(const std::shared_ptr<ResourceTable>& table,
-                 const std::shared_ptr<IResolver>& resolver);
-
-    XmlFlattener(const XmlFlattener&) = delete; // Not copyable.
-
-    /**
-     * Flatten an XML file, reading from the XML parser and writing to the
-     * BigBuffer. The source object is mainly for logging errors. If the
-     * function succeeds, returns the smallest SDK version of an attribute that
-     * was stripped out. If no attributes were stripped out, the return value
-     * is 0.
-     */
-    Maybe<size_t> flatten(const Source& source, const std::shared_ptr<XmlPullParser>& parser,
-                          BigBuffer* outBuffer, Options options);
-
-private:
-    std::shared_ptr<ResourceTable> mTable;
-    std::shared_ptr<IResolver> mResolver;
+    Maybe<size_t> maxSdkAttribute;
 };
 
+/**
+ * Like flatten(Node*,BigBuffer*), but references to resources are checked
+ * and string values are transformed to typed data where possible.
+ *
+ * `defaultPackage` is used when a reference has no package or the namespace URI
+ * "http://schemas.android.com/apk/res-auto" is used.
+ *
+ * `resolver` is used to resolve references to resources.
+ */
+Maybe<size_t> flattenAndLink(const Source& source, Node* root,
+                             const std::u16string& defaultPackage,
+                             const std::shared_ptr<IResolver>& resolver,
+                             const FlattenOptions& options, BigBuffer* outBuffer);
+
+} // namespace xml
 } // namespace aapt
 
 #endif // AAPT_XML_FLATTENER_H
diff --git a/tools/aapt2/XmlFlattener_test.cpp b/tools/aapt2/XmlFlattener_test.cpp
index b45cd9b..8915d24 100644
--- a/tools/aapt2/XmlFlattener_test.cpp
+++ b/tools/aapt2/XmlFlattener_test.cpp
@@ -17,7 +17,6 @@
 #include "MockResolver.h"
 #include "ResourceTable.h"
 #include "ResourceValues.h"
-#include "SourceXmlPullParser.h"
 #include "Util.h"
 #include "XmlFlattener.h"
 
@@ -30,13 +29,14 @@
 using namespace android;
 
 namespace aapt {
+namespace xml {
 
 constexpr const char* kXmlPreamble = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
 
 class XmlFlattenerTest : public ::testing::Test {
 public:
     virtual void SetUp() override {
-        std::shared_ptr<IResolver> resolver = std::make_shared<MockResolver>(
+        mResolver = std::make_shared<MockResolver>(
                 std::make_shared<ResourceTable>(),
                 std::map<ResourceName, ResourceId>({
                         { ResourceName{ u"android", ResourceType::kAttr, u"attr" },
@@ -47,18 +47,21 @@
                           ResourceId{ 0x01010001u } },
                         { ResourceName{ u"com.lib", ResourceType::kId, u"id" },
                           ResourceId{ 0x01020001u } }}));
-
-        mFlattener = std::make_shared<XmlFlattener>(nullptr, resolver);
     }
 
     ::testing::AssertionResult testFlatten(const std::string& in, ResXMLTree* outTree) {
         std::stringstream input(kXmlPreamble);
         input << in << std::endl;
-        std::shared_ptr<XmlPullParser> xmlParser = std::make_shared<SourceXmlPullParser>(input);
+
+        SourceLogger logger(Source{ "test.xml" });
+        std::unique_ptr<Node> root = inflate(&input, &logger);
+        if (!root) {
+            return ::testing::AssertionFailure();
+        }
+
         BigBuffer outBuffer(1024);
-        XmlFlattener::Options xmlOptions;
-        xmlOptions.defaultPackage = u"android";
-        if (!mFlattener->flatten(Source{ "test" }, xmlParser, &outBuffer, xmlOptions)) {
+        if (!flattenAndLink(Source{ "test.xml" }, root.get(), std::u16string(u"android"),
+                    mResolver, {}, &outBuffer)) {
             return ::testing::AssertionFailure();
         }
 
@@ -69,16 +72,48 @@
         return ::testing::AssertionSuccess();
     }
 
-    std::shared_ptr<XmlFlattener> mFlattener;
+    std::shared_ptr<IResolver> mResolver;
 };
 
 TEST_F(XmlFlattenerTest, ParseSimpleView) {
-    std::string input = "<View xmlns:android=\"http://schemas.android.com/apk/res/android\"\n"
-                        "      android:attr=\"@id/id\">\n"
-                        "</View>";
+    std::string input = R"EOF(
+        <View xmlns:android="http://schemas.android.com/apk/res/android"
+              android:attr="@id/id"
+              class="str"
+              style="@id/id">
+        </View>
+    )EOF";
     ResXMLTree tree;
     ASSERT_TRUE(testFlatten(input, &tree));
 
+    while (tree.next() != ResXMLTree::START_TAG) {
+        ASSERT_NE(tree.getEventType(), ResXMLTree::END_DOCUMENT);
+        ASSERT_NE(tree.getEventType(), ResXMLTree::BAD_DOCUMENT);
+    }
+
+    const StringPiece16 androidNs = u"http://schemas.android.com/apk/res/android";
+    const StringPiece16 attrName = u"attr";
+    ssize_t idx = tree.indexOfAttribute(androidNs.data(), androidNs.size(), attrName.data(),
+                                        attrName.size());
+    ASSERT_GE(idx, 0);
+    EXPECT_EQ(tree.getAttributeNameResID(idx), 0x01010000u);
+    EXPECT_EQ(tree.getAttributeDataType(idx), android::Res_value::TYPE_REFERENCE);
+
+    const StringPiece16 class16 = u"class";
+    idx = tree.indexOfAttribute(nullptr, 0, class16.data(), class16.size());
+    ASSERT_GE(idx, 0);
+    EXPECT_EQ(tree.getAttributeNameResID(idx), 0u);
+    EXPECT_EQ(tree.getAttributeDataType(idx), android::Res_value::TYPE_STRING);
+    EXPECT_EQ(tree.getAttributeData(idx), tree.getAttributeValueStringID(idx));
+
+    const StringPiece16 style16 = u"style";
+    idx = tree.indexOfAttribute(nullptr, 0, style16.data(), style16.size());
+    ASSERT_GE(idx, 0);
+    EXPECT_EQ(tree.getAttributeNameResID(idx), 0u);
+    EXPECT_EQ(tree.getAttributeDataType(idx), android::Res_value::TYPE_REFERENCE);
+    EXPECT_EQ((uint32_t) tree.getAttributeData(idx), 0x01020000u);
+    EXPECT_EQ(tree.getAttributeValueStringID(idx), -1);
+
     while (tree.next() != ResXMLTree::END_DOCUMENT) {
         ASSERT_NE(tree.getEventType(), ResXMLTree::BAD_DOCUMENT);
     }
@@ -193,4 +228,5 @@
     EXPECT_GE(tree.indexOfAttribute(nullptr, 0, kPackage.data(), kPackage.size()), 0);
 }
 
+} // namespace xml
 } // namespace aapt
diff --git a/tools/aapt2/data/lib/AndroidManifest.xml b/tools/aapt2/data/lib/AndroidManifest.xml
index c1612e5..08b468e 100644
--- a/tools/aapt2/data/lib/AndroidManifest.xml
+++ b/tools/aapt2/data/lib/AndroidManifest.xml
@@ -1,3 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="android.appcompat"/>
+    package="android.appcompat">
+
+    <uses-feature android:name="bloooop" />
+</manifest>
diff --git a/wifi/java/android/net/wifi/RttManager.java b/wifi/java/android/net/wifi/RttManager.java
index 7ced126..503e4a2 100644
--- a/wifi/java/android/net/wifi/RttManager.java
+++ b/wifi/java/android/net/wifi/RttManager.java
@@ -829,7 +829,8 @@
             Log.e(TAG, "Request " + index + ": two side RTT is not supported");
             return false;
         }  else if(params.bssid == null || params.bssid.isEmpty()) {
-            Log.e(TAG,"No BSSID is input");
+            Log.e(TAG,"No BSSID in params");
+            return false;
         } else if ( params.numberBurst != 0 ) {
             Log.e(TAG, "Request " + index + ": Illegal number of burst: " + params.numberBurst);
             return false;