Merge "ShortcutManager javadoc" into nyc-mr1-dev
diff --git a/Android.mk b/Android.mk
index ba4e173..8c39d19 100644
--- a/Android.mk
+++ b/Android.mk
@@ -343,6 +343,7 @@
 	core/java/com/android/internal/view/IInputMethodManager.aidl \
 	core/java/com/android/internal/view/IInputMethodSession.aidl \
 	core/java/com/android/internal/view/IInputSessionCallback.aidl \
+	core/java/com/android/internal/widget/ICheckCredentialProgressCallback.aidl \
 	core/java/com/android/internal/widget/ILockSettings.aidl \
 	core/java/com/android/internal/widget/IRemoteViewsFactory.aidl \
 	core/java/com/android/internal/widget/IRemoteViewsAdapterConnection.aidl \
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index fef1e2c..3f15a75 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -6057,7 +6057,7 @@
         // StrictMode) on debug builds, but using DropBox, not logs.
         CloseGuard.setEnabled(false);
 
-        Environment.init();
+        Environment.initForCurrentUser();
 
         // Set the reporter for event logging in libcore
         EventLogger.setReporter(new EventLoggingReporter());
diff --git a/core/java/android/app/IWallpaperManager.aidl b/core/java/android/app/IWallpaperManager.aidl
index a0762b9..9cd70e6 100644
--- a/core/java/android/app/IWallpaperManager.aidl
+++ b/core/java/android/app/IWallpaperManager.aidl
@@ -72,7 +72,7 @@
      * information about that wallpaper.  Otherwise, if it is a static image,
      * simply return null.
      */
-    WallpaperInfo getWallpaperInfo();
+    WallpaperInfo getWallpaperInfo(int userId);
 
     /**
      * Clear the system wallpaper.
diff --git a/core/java/android/app/WallpaperManager.java b/core/java/android/app/WallpaperManager.java
index 7f467f0..79f2a1e 100644
--- a/core/java/android/app/WallpaperManager.java
+++ b/core/java/android/app/WallpaperManager.java
@@ -51,6 +51,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemProperties;
+import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.WindowManagerGlobal;
@@ -783,7 +784,7 @@
                 Log.w(TAG, "WallpaperService not running");
                 throw new RuntimeException(new DeadSystemException());
             } else {
-                return sGlobals.mService.getWallpaperInfo();
+                return sGlobals.mService.getWallpaperInfo(UserHandle.myUserId());
             }
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
diff --git a/core/java/android/hardware/camera2/CameraManager.java b/core/java/android/hardware/camera2/CameraManager.java
index 3917bfa..145b1d0 100644
--- a/core/java/android/hardware/camera2/CameraManager.java
+++ b/core/java/android/hardware/camera2/CameraManager.java
@@ -267,6 +267,10 @@
      * @param cameraId The unique identifier of the camera device to open
      * @param callback The callback for the camera. Must not be null.
      * @param handler  The handler to invoke the callback on. Must not be null.
+     * @param uid      The UID of the application actually opening the camera.
+     *                 Must be USE_CALLING_UID unless the caller is a service
+     *                 that is trusted to open the device on behalf of an
+     *                 application and to forward the real UID.
      *
      * @throws CameraAccessException if the camera is disabled by device policy,
      * too many camera devices are already open, or the cameraId does not match
@@ -281,7 +285,7 @@
      * @see android.app.admin.DevicePolicyManager#setCameraDisabled
      */
     private CameraDevice openCameraDeviceUserAsync(String cameraId,
-            CameraDevice.StateCallback callback, Handler handler)
+            CameraDevice.StateCallback callback, Handler handler, final int uid)
             throws CameraAccessException {
         CameraCharacteristics characteristics = getCameraCharacteristics(cameraId);
         CameraDevice device = null;
@@ -317,7 +321,7 @@
                             "Camera service is currently unavailable");
                     }
                     cameraUser = cameraService.connectDevice(callbacks, id,
-                            mContext.getOpPackageName(), USE_CALLING_UID);
+                            mContext.getOpPackageName(), uid);
                 } else {
                     // Use legacy camera implementation for HAL1 devices
                     Log.i(TAG, "Using legacy camera HAL.");
@@ -434,6 +438,29 @@
             @NonNull final CameraDevice.StateCallback callback, @Nullable Handler handler)
             throws CameraAccessException {
 
+        openCameraForUid(cameraId, callback, handler, USE_CALLING_UID);
+    }
+
+    /**
+     * Open a connection to a camera with the given ID, on behalf of another application
+     * specified by clientUid.
+     *
+     * <p>The behavior of this method matches that of {@link #openCamera}, except that it allows
+     * the caller to specify the UID to use for permission/etc verification. This can only be
+     * done by services trusted by the camera subsystem to act on behalf of applications and
+     * to forward the real UID.</p>
+     *
+     * @param clientUid
+     *             The UID of the application on whose behalf the camera is being opened.
+     *             Must be USE_CALLING_UID unless the caller is a trusted service.
+     *
+     * @hide
+     */
+    public void openCameraForUid(@NonNull String cameraId,
+            @NonNull final CameraDevice.StateCallback callback, @Nullable Handler handler,
+            int clientUid)
+            throws CameraAccessException {
+
         if (cameraId == null) {
             throw new IllegalArgumentException("cameraId was null");
         } else if (callback == null) {
@@ -447,7 +474,7 @@
             }
         }
 
-        openCameraDeviceUserAsync(cameraId, callback, handler);
+        openCameraDeviceUserAsync(cameraId, callback, handler, clientUid);
     }
 
     /**
diff --git a/core/java/android/net/ConnectivityManager.java b/core/java/android/net/ConnectivityManager.java
index 8d413795..3c2ac67 100644
--- a/core/java/android/net/ConnectivityManager.java
+++ b/core/java/android/net/ConnectivityManager.java
@@ -1035,6 +1035,26 @@
     }
 
     /**
+     * Request that this callback be invoked at ConnectivityService's earliest
+     * convenience with the current satisfying network's LinkProperties.
+     * If no such network exists no callback invocation is performed.
+     *
+     * The callback must have been registered with #requestNetwork() or
+     * #registerDefaultNetworkCallback(); callbacks registered with
+     * registerNetworkCallback() are not specific to any particular Network so
+     * do not cause any updates.
+     *
+     * @hide
+     */
+    public void requestLinkProperties(NetworkCallback networkCallback) {
+        try {
+            mService.requestLinkProperties(networkCallback.networkRequest);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Get the {@link android.net.NetworkCapabilities} for the given {@link Network}.  This
      * will return {@code null} if the network is unknown.
      * <p>This method requires the caller to hold the permission
@@ -1052,6 +1072,26 @@
     }
 
     /**
+     * Request that this callback be invoked at ConnectivityService's earliest
+     * convenience with the current satisfying network's NetworkCapabilities.
+     * If no such network exists no callback invocation is performed.
+     *
+     * The callback must have been registered with #requestNetwork() or
+     * #registerDefaultNetworkCallback(); callbacks registered with
+     * registerNetworkCallback() are not specific to any particular Network so
+     * do not cause any updates.
+     *
+     * @hide
+     */
+    public void requestNetworkCapabilities(NetworkCallback networkCallback) {
+        try {
+            mService.requestNetworkCapabilities(networkCallback.networkRequest);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
      * Gets the URL that should be used for resolving whether a captive portal is present.
      * 1. This URL should respond with a 204 response to a GET request to indicate no captive
      *    portal is present.
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index 0d518cc..d48c155 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -156,6 +156,8 @@
     void pendingListenForNetwork(in NetworkCapabilities networkCapabilities,
             in PendingIntent operation);
 
+    void requestLinkProperties(in NetworkRequest networkRequest);
+    void requestNetworkCapabilities(in NetworkRequest networkRequest);
     void releaseNetworkRequest(in NetworkRequest networkRequest);
 
     void setAcceptUnvalidated(in Network network, boolean accept, boolean always);
diff --git a/core/java/android/net/NetworkUtils.java b/core/java/android/net/NetworkUtils.java
index 141af3d..35e3065 100644
--- a/core/java/android/net/NetworkUtils.java
+++ b/core/java/android/net/NetworkUtils.java
@@ -45,13 +45,20 @@
     public native static void attachDhcpFilter(FileDescriptor fd) throws SocketException;
 
     /**
-     * Attaches a socket filter that accepts ICMP6 router advertisement packets to the given socket.
+     * Attaches a socket filter that accepts ICMPv6 router advertisements to the given socket.
      * @param fd the socket's {@link FileDescriptor}.
      * @param packetType the hardware address type, one of ARPHRD_*.
      */
     public native static void attachRaFilter(FileDescriptor fd, int packetType) throws SocketException;
 
     /**
+     * Configures a socket for receiving ICMPv6 router solicitations and sending advertisements.
+     * @param fd the socket's {@link FileDescriptor}.
+     * @param ifIndex the interface index.
+     */
+    public native static void setupRaSocket(FileDescriptor fd, int ifIndex) throws SocketException;
+
+    /**
      * Binds the current process to the network designated by {@code netId}.  All sockets created
      * in the future (and not explicitly bound via a bound {@link SocketFactory} (see
      * {@link Network#getSocketFactory}) will be bound to this network.  Note that if this
diff --git a/core/java/android/os/Environment.java b/core/java/android/os/Environment.java
index fa32809..80927f3 100644
--- a/core/java/android/os/Environment.java
+++ b/core/java/android/os/Environment.java
@@ -62,34 +62,17 @@
     private static final File DIR_ODM_ROOT = getDirectory(ENV_ODM_ROOT, "/odm");
     private static final File DIR_VENDOR_ROOT = getDirectory(ENV_VENDOR_ROOT, "/vendor");
 
-    // NoPreloadHolder to separate shared data from user-specific data, and to be able to initialize
-    // Environment without side effect (allowing a lazy init of the data where possible).
-    private static class NoPreloadHolder {
-        public final static UserEnvironment sCurrentUser;
-        public static boolean sUserRequired;
+    private static UserEnvironment sCurrentUser;
+    private static boolean sUserRequired;
 
-        static {
-            sCurrentUser = new UserEnvironment(UserHandle.myUserId());
-        }
-
-        // Empty function to be able to trigger static initialization.
-        public static void init() {
-        }
-
-        // Disallow allocation.
-        private NoPreloadHolder() {
-        }
+    static {
+        initForCurrentUser();
     }
 
     /** {@hide} */
-    public static void init() {
-        NoPreloadHolder.init();
-
-        // Check for expected outcome. We only allow one initialization, this will trigger if
-        // somebody tried to re-initialize.
-        if (NoPreloadHolder.sCurrentUser.mUserId != UserHandle.myUserId()) {
-            throw new IllegalStateException();
-        }
+    public static void initForCurrentUser() {
+        final int userId = UserHandle.myUserId();
+        sCurrentUser = new UserEnvironment(userId);
     }
 
     /** {@hide} */
@@ -445,7 +428,7 @@
      */
     public static File getExternalStorageDirectory() {
         throwIfUserRequired();
-        return NoPreloadHolder.sCurrentUser.getExternalDirs()[0];
+        return sCurrentUser.getExternalDirs()[0];
     }
 
     /** {@hide} */
@@ -629,7 +612,7 @@
      */
     public static File getExternalStoragePublicDirectory(String type) {
         throwIfUserRequired();
-        return NoPreloadHolder.sCurrentUser.buildExternalStoragePublicDirs(type)[0];
+        return sCurrentUser.buildExternalStoragePublicDirs(type)[0];
     }
 
     /**
@@ -638,7 +621,7 @@
      */
     public static File[] buildExternalStorageAndroidDataDirs() {
         throwIfUserRequired();
-        return NoPreloadHolder.sCurrentUser.buildExternalStorageAndroidDataDirs();
+        return sCurrentUser.buildExternalStorageAndroidDataDirs();
     }
 
     /**
@@ -647,7 +630,7 @@
      */
     public static File[] buildExternalStorageAppDataDirs(String packageName) {
         throwIfUserRequired();
-        return NoPreloadHolder.sCurrentUser.buildExternalStorageAppDataDirs(packageName);
+        return sCurrentUser.buildExternalStorageAppDataDirs(packageName);
     }
 
     /**
@@ -656,7 +639,7 @@
      */
     public static File[] buildExternalStorageAppMediaDirs(String packageName) {
         throwIfUserRequired();
-        return NoPreloadHolder.sCurrentUser.buildExternalStorageAppMediaDirs(packageName);
+        return sCurrentUser.buildExternalStorageAppMediaDirs(packageName);
     }
 
     /**
@@ -665,7 +648,7 @@
      */
     public static File[] buildExternalStorageAppObbDirs(String packageName) {
         throwIfUserRequired();
-        return NoPreloadHolder.sCurrentUser.buildExternalStorageAppObbDirs(packageName);
+        return sCurrentUser.buildExternalStorageAppObbDirs(packageName);
     }
 
     /**
@@ -674,7 +657,7 @@
      */
     public static File[] buildExternalStorageAppFilesDirs(String packageName) {
         throwIfUserRequired();
-        return NoPreloadHolder.sCurrentUser.buildExternalStorageAppFilesDirs(packageName);
+        return sCurrentUser.buildExternalStorageAppFilesDirs(packageName);
     }
 
     /**
@@ -683,7 +666,7 @@
      */
     public static File[] buildExternalStorageAppCacheDirs(String packageName) {
         throwIfUserRequired();
-        return NoPreloadHolder.sCurrentUser.buildExternalStorageAppCacheDirs(packageName);
+        return sCurrentUser.buildExternalStorageAppCacheDirs(packageName);
     }
 
     /**
@@ -787,7 +770,7 @@
      *         {@link #MEDIA_BAD_REMOVAL}, or {@link #MEDIA_UNMOUNTABLE}.
      */
     public static String getExternalStorageState() {
-        final File externalDir = NoPreloadHolder.sCurrentUser.getExternalDirs()[0];
+        final File externalDir = sCurrentUser.getExternalDirs()[0];
         return getExternalStorageState(externalDir);
     }
 
@@ -828,7 +811,7 @@
      */
     public static boolean isExternalStorageRemovable() {
         if (isStorageDisabled()) return false;
-        final File externalDir = NoPreloadHolder.sCurrentUser.getExternalDirs()[0];
+        final File externalDir = sCurrentUser.getExternalDirs()[0];
         return isExternalStorageRemovable(externalDir);
     }
 
@@ -867,7 +850,7 @@
      */
     public static boolean isExternalStorageEmulated() {
         if (isStorageDisabled()) return false;
-        final File externalDir = NoPreloadHolder.sCurrentUser.getExternalDirs()[0];
+        final File externalDir = sCurrentUser.getExternalDirs()[0];
         return isExternalStorageEmulated(externalDir);
     }
 
@@ -902,11 +885,11 @@
 
     /** {@hide} */
     public static void setUserRequired(boolean userRequired) {
-        NoPreloadHolder.sUserRequired = userRequired;
+        sUserRequired = userRequired;
     }
 
     private static void throwIfUserRequired() {
-        if (NoPreloadHolder.sUserRequired) {
+        if (sUserRequired) {
             Log.wtf(TAG, "Path requests must specify a user by using UserEnvironment",
                     new Throwable());
         }
diff --git a/core/java/android/os/UserHandle.java b/core/java/android/os/UserHandle.java
index 10e3718..b3f4453 100644
--- a/core/java/android/os/UserHandle.java
+++ b/core/java/android/os/UserHandle.java
@@ -297,11 +297,7 @@
      */
     @SystemApi
     public static @UserIdInt int myUserId() {
-        int myUid = Process.myUid();
-        if (myUid == 0) {
-            throw new IllegalStateException("myUserId unsupported in zygote.");
-        }
-        return getUserId(myUid);
+        return getUserId(Process.myUid());
     }
 
     /**
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index bb80110..56610ed 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -6147,6 +6147,39 @@
                 "camera_double_tap_power_gesture_disabled";
 
         /**
+         * Whether the camera double twist gesture to flip between front and back mode should be
+         * enabled.
+         *
+         * @hide
+         */
+        public static final String CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED =
+                "camera_double_twist_to_flip_enabled";
+
+        /**
+         * Control whether Night display is currently activated.
+         * @hide
+         */
+        public static final String NIGHT_DISPLAY_ACTIVATED = "night_display_activated";
+
+        /**
+         * Control whether Night display will automatically activate/deactivate.
+         * @hide
+         */
+        public static final String NIGHT_DISPLAY_AUTO_MODE = "night_display_auto_mode";
+
+        /**
+         * Custom time when Night display is scheduled to activate.
+         * Represented as milliseconds from midnight (e.g. 79200000 == 10pm).
+         * @hide
+         */
+        public static final String NIGHT_DISPLAY_CUSTOM_START_TIME = "night_display_custom_start_time";
+
+        /**
+         * Custom time when Night display is scheduled to deactivate.
+         * Represented as milliseconds from midnight (e.g. 21600000 == 6am).
+         * @hide
+         */
+        public static final String NIGHT_DISPLAY_CUSTOM_END_TIME = "night_display_custom_end_time";
 
         /**
          * Behavior of twilight on the device.
@@ -6277,6 +6310,14 @@
 
 
         /**
+         * Whether SystemUI navigation keys is enabled.
+         * @hide
+         */
+        public static final String SYSTEM_NAVIGATION_KEYS_ENABLED =
+                "system_navigation_keys_enabled";
+
+
+        /**
          * This are the settings to be backed up.
          *
          * NOTE: Settings are backed up and restored in the order they appear
@@ -8659,6 +8700,22 @@
         public static final String DEVICE_DEMO_MODE = "device_demo_mode";
 
         /**
+         * Retail mode specific settings. This is encoded as a key=value list, separated by commas.
+         * Ex: "user_inactivity_timeout_ms=30000,warning_dialog_timeout_ms=10000". The following
+         * keys are supported:
+         *
+         * <pre>
+         * user_inactivity_timeout_ms  (long)
+         * warning_dialog_timeout_ms   (long)
+         * </pre>
+         * <p>
+         * Type: string
+         *
+         * @hide
+         */
+        public static final String RETAIL_DEMO_MODE_CONSTANTS = "retail_demo_mode_constants";
+
+        /**
          * Settings to backup. This is here so that it's in the same place as the settings
          * keys and easy to update.
          *
@@ -9074,13 +9131,6 @@
         public static final String MAX_NOTIFICATION_ENQUEUE_RATE = "max_notification_enqueue_rate";
 
         /**
-         * Whether SystemUI navigation keys is enabled.
-         * @hide
-         */
-        public static final String SYSTEM_NAVIGATION_KEYS_ENABLED =
-                "system_navigation_keys_enabled";
-
-        /**
          * Whether cell is enabled/disabled
          * @hide
          */
diff --git a/core/java/com/android/internal/app/NightDisplayController.java b/core/java/com/android/internal/app/NightDisplayController.java
new file mode 100644
index 0000000..03cd729
--- /dev/null
+++ b/core/java/com/android/internal/app/NightDisplayController.java
@@ -0,0 +1,421 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.app;
+
+import android.annotation.IntDef;
+import android.annotation.NonNull;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.UserHandle;
+import android.provider.Settings.Secure;
+import android.util.Slog;
+
+import com.android.internal.R;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.Calendar;
+import java.util.Locale;
+
+/**
+ * Controller for managing Night display settings.
+ * <p/>
+ * Night display tints your screen red at night. This makes it easier to look at your screen in
+ * dim light and may help you fall asleep more easily.
+ */
+public final class NightDisplayController {
+
+    private static final String TAG = "NightDisplayController";
+    private static final boolean DEBUG = false;
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({ AUTO_MODE_DISABLED, AUTO_MODE_CUSTOM, AUTO_MODE_TWILIGHT })
+    public @interface AutoMode {}
+
+    /**
+     * Auto mode value to prevent Night display from being automatically activated. It can still
+     * be activated manually via {@link #setActivated(boolean)}.
+     *
+     * @see #setAutoMode(int)
+     */
+    public static final int AUTO_MODE_DISABLED = 0;
+    /**
+     * Auto mode value to automatically activate Night display at a specific start and end time.
+     *
+     * @see #setAutoMode(int)
+     * @see #setCustomStartTime(LocalTime)
+     * @see #setCustomEndTime(LocalTime)
+     */
+    public static final int AUTO_MODE_CUSTOM = 1;
+    /**
+     * Auto mode value to automatically activate Night display from sunset to sunrise.
+     *
+     * @see #setAutoMode(int)
+     */
+    public static final int AUTO_MODE_TWILIGHT = 2;
+
+    private final Context mContext;
+    private final int mUserId;
+
+    private final ContentObserver mContentObserver;
+
+    private Callback mCallback;
+
+    public NightDisplayController(@NonNull Context context) {
+        this(context, UserHandle.myUserId());
+    }
+
+    public NightDisplayController(@NonNull Context context, int userId) {
+        mContext = context.getApplicationContext();
+        mUserId = userId;
+
+        mContentObserver = new ContentObserver(new Handler(Looper.getMainLooper())) {
+            @Override
+            public void onChange(boolean selfChange, Uri uri) {
+                super.onChange(selfChange, uri);
+
+                final String setting = uri == null ? null : uri.getLastPathSegment();
+                if (setting != null) {
+                    onSettingChanged(setting);
+                }
+            }
+        };
+    }
+
+    /**
+     * Returns {@code true} when Night display is activated (the display is tinted red).
+     */
+    public boolean isActivated() {
+        return Secure.getIntForUser(mContext.getContentResolver(),
+                Secure.NIGHT_DISPLAY_ACTIVATED, 0, mUserId) == 1;
+    }
+
+    /**
+     * Sets whether Night display should be activated.
+     *
+     * @param activated {@code true} if Night display should be activated
+     * @return {@code true} if the activated value was set successfully
+     */
+    public boolean setActivated(boolean activated) {
+        return Secure.putIntForUser(mContext.getContentResolver(),
+                Secure.NIGHT_DISPLAY_ACTIVATED, activated ? 1 : 0, mUserId);
+    }
+
+    /**
+     * Returns the current auto mode value controlling when Night display will be automatically
+     * activated. One of {@link #AUTO_MODE_DISABLED}, {@link #AUTO_MODE_CUSTOM}, or
+     * {@link #AUTO_MODE_TWILIGHT}.
+     */
+    public @AutoMode int getAutoMode() {
+        int autoMode = Secure.getIntForUser(mContext.getContentResolver(),
+                Secure.NIGHT_DISPLAY_AUTO_MODE, -1, mUserId);
+        if (autoMode == -1) {
+            if (DEBUG) {
+                Slog.d(TAG, "Using default value for setting: " + Secure.NIGHT_DISPLAY_AUTO_MODE);
+            }
+            autoMode = mContext.getResources().getInteger(
+                    R.integer.config_defaultNightDisplayAutoMode);
+        }
+
+        if (autoMode != AUTO_MODE_DISABLED
+                && autoMode != AUTO_MODE_CUSTOM
+                && autoMode != AUTO_MODE_TWILIGHT) {
+            Slog.e(TAG, "Invalid autoMode: " + autoMode);
+            autoMode = AUTO_MODE_DISABLED;
+        }
+
+        return autoMode;
+    }
+
+    /**
+     * Sets the current auto mode value controlling when Night display will be automatically
+     * activated. One of {@link #AUTO_MODE_DISABLED}, {@link #AUTO_MODE_CUSTOM}, or
+     * {@link #AUTO_MODE_TWILIGHT}.
+     *
+     * @param autoMode the new auto mode to use
+     * @return {@code true} if new auto mode was set successfully
+     */
+    public boolean setAutoMode(@AutoMode int autoMode) {
+        if (autoMode != AUTO_MODE_DISABLED
+                && autoMode != AUTO_MODE_CUSTOM
+                && autoMode != AUTO_MODE_TWILIGHT) {
+            throw new IllegalArgumentException("Invalid autoMode: " + autoMode);
+        }
+
+        return Secure.putIntForUser(mContext.getContentResolver(),
+                Secure.NIGHT_DISPLAY_AUTO_MODE, autoMode, mUserId);
+    }
+
+    /**
+     * Returns the local time when Night display will be automatically activated when using
+     * {@link #AUTO_MODE_CUSTOM}.
+     */
+    public @NonNull LocalTime getCustomStartTime() {
+        int startTimeValue = Secure.getIntForUser(mContext.getContentResolver(),
+                Secure.NIGHT_DISPLAY_CUSTOM_START_TIME, -1, mUserId);
+        if (startTimeValue == -1) {
+            if (DEBUG) {
+                Slog.d(TAG, "Using default value for setting: "
+                        + Secure.NIGHT_DISPLAY_CUSTOM_START_TIME);
+            }
+            startTimeValue = mContext.getResources().getInteger(
+                    R.integer.config_defaultNightDisplayCustomStartTime);
+        }
+
+        return LocalTime.valueOf(startTimeValue);
+    }
+
+    /**
+     * Sets the local time when Night display will be automatically activated when using
+     * {@link #AUTO_MODE_CUSTOM}.
+     *
+     * @param startTime the local time to automatically activate Night display
+     * @return {@code true} if the new custom start time was set successfully
+     */
+    public boolean setCustomStartTime(@NonNull LocalTime startTime) {
+        if (startTime == null) {
+            throw new IllegalArgumentException("startTime cannot be null");
+        }
+        return Secure.putIntForUser(mContext.getContentResolver(),
+                Secure.NIGHT_DISPLAY_CUSTOM_START_TIME, startTime.toMillis(), mUserId);
+    }
+
+    /**
+     * Returns the local time when Night display will be automatically deactivated when using
+     * {@link #AUTO_MODE_CUSTOM}.
+     */
+    public @NonNull LocalTime getCustomEndTime() {
+        int endTimeValue = Secure.getIntForUser(mContext.getContentResolver(),
+                Secure.NIGHT_DISPLAY_CUSTOM_END_TIME, -1, mUserId);
+        if (endTimeValue == -1) {
+            if (DEBUG) {
+                Slog.d(TAG, "Using default value for setting: "
+                        + Secure.NIGHT_DISPLAY_CUSTOM_END_TIME);
+            }
+            endTimeValue = mContext.getResources().getInteger(
+                    R.integer.config_defaultNightDisplayCustomEndTime);
+        }
+
+        return LocalTime.valueOf(endTimeValue);
+    }
+
+    /**
+     * Sets the local time when Night display will be automatically deactivated when using
+     * {@link #AUTO_MODE_CUSTOM}.
+     *
+     * @param endTime the local time to automatically deactivate Night display
+     * @return {@code true} if the new custom end time was set successfully
+     */
+    public boolean setCustomEndTime(@NonNull LocalTime endTime) {
+        if (endTime == null) {
+            throw new IllegalArgumentException("endTime cannot be null");
+        }
+        return Secure.putIntForUser(mContext.getContentResolver(),
+                Secure.NIGHT_DISPLAY_CUSTOM_END_TIME, endTime.toMillis(), mUserId);
+    }
+
+    private void onSettingChanged(@NonNull String setting) {
+        if (DEBUG) {
+            Slog.d(TAG, "onSettingChanged: " + setting);
+        }
+
+        if (mCallback != null) {
+            switch (setting) {
+                case Secure.NIGHT_DISPLAY_ACTIVATED:
+                    mCallback.onActivated(isActivated());
+                    break;
+                case Secure.NIGHT_DISPLAY_AUTO_MODE:
+                    mCallback.onAutoModeChanged(getAutoMode());
+                    break;
+                case Secure.NIGHT_DISPLAY_CUSTOM_START_TIME:
+                    mCallback.onCustomStartTimeChanged(getCustomStartTime());
+                    break;
+                case Secure.NIGHT_DISPLAY_CUSTOM_END_TIME:
+                    mCallback.onCustomEndTimeChanged(getCustomEndTime());
+                    break;
+            }
+        }
+    }
+
+    /**
+     * Register a callback to be invoked whenever the Night display settings are changed.
+     */
+    public void setListener(Callback callback) {
+        final Callback oldCallback = mCallback;
+        if (oldCallback != callback) {
+            mCallback = callback;
+
+            if (callback == null) {
+                // Stop listening for changes now that there IS NOT a listener.
+                mContext.getContentResolver().unregisterContentObserver(mContentObserver);
+            } else if (oldCallback == null) {
+                // Start listening for changes now that there IS a listener.
+                final ContentResolver cr = mContext.getContentResolver();
+                cr.registerContentObserver(Secure.getUriFor(Secure.NIGHT_DISPLAY_ACTIVATED),
+                        false /* notifyForDescendants */, mContentObserver, mUserId);
+                cr.registerContentObserver(Secure.getUriFor(Secure.NIGHT_DISPLAY_AUTO_MODE),
+                        false /* notifyForDescendants */, mContentObserver, mUserId);
+                cr.registerContentObserver(Secure.getUriFor(Secure.NIGHT_DISPLAY_CUSTOM_START_TIME),
+                        false /* notifyForDescendants */, mContentObserver, mUserId);
+                cr.registerContentObserver(Secure.getUriFor(Secure.NIGHT_DISPLAY_CUSTOM_END_TIME),
+                        false /* notifyForDescendants */, mContentObserver, mUserId);
+            }
+        }
+    }
+
+    /**
+     * Returns {@code true} if Night display is supported by the device.
+     */
+    public static boolean isAvailable(Context context) {
+        return context.getResources().getBoolean(R.bool.config_nightDisplayAvailable);
+    }
+
+    /**
+     * A time without a time-zone or date.
+     */
+    public static class LocalTime {
+
+        /**
+         * The hour of the day from 0 - 23.
+         */
+        public final int hourOfDay;
+        /**
+         * The minute within the hour from 0 - 59.
+         */
+        public final int minute;
+
+        public LocalTime(int hourOfDay, int minute) {
+            if (hourOfDay < 0 || hourOfDay > 23) {
+                throw new IllegalArgumentException("Invalid hourOfDay: " + hourOfDay);
+            } else if (minute < 0 || minute > 59) {
+                throw new IllegalArgumentException("Invalid minute: " + minute);
+            }
+
+            this.hourOfDay = hourOfDay;
+            this.minute = minute;
+        }
+
+        /**
+         * Returns the first date time corresponding to this local time that occurs before the
+         * provided date time.
+         *
+         * @param time the date time to compare against
+         * @return the prior date time corresponding to this local time
+         */
+        public Calendar getDateTimeBefore(Calendar time) {
+            final Calendar c = Calendar.getInstance();
+            c.set(Calendar.YEAR, time.get(Calendar.YEAR));
+            c.set(Calendar.DAY_OF_YEAR, time.get(Calendar.DAY_OF_YEAR));
+
+            c.set(Calendar.HOUR_OF_DAY, hourOfDay);
+            c.set(Calendar.MINUTE, minute);
+            c.set(Calendar.SECOND, 0);
+            c.set(Calendar.MILLISECOND, 0);
+
+            // Check if the local time has past, if so return the same time tomorrow.
+            if (c.after(time)) {
+                c.add(Calendar.DATE, -1);
+            }
+
+            return c;
+        }
+
+        /**
+         * Returns the first date time corresponding to this local time that occurs after the
+         * provided date time.
+         *
+         * @param time the date time to compare against
+         * @return the next date time corresponding to this local time
+         */
+        public Calendar getDateTimeAfter(Calendar time) {
+            final Calendar c = Calendar.getInstance();
+            c.set(Calendar.YEAR, time.get(Calendar.YEAR));
+            c.set(Calendar.DAY_OF_YEAR, time.get(Calendar.DAY_OF_YEAR));
+
+            c.set(Calendar.HOUR_OF_DAY, hourOfDay);
+            c.set(Calendar.MINUTE, minute);
+            c.set(Calendar.SECOND, 0);
+            c.set(Calendar.MILLISECOND, 0);
+
+            // Check if the local time has past, if so return the same time tomorrow.
+            if (c.before(time)) {
+                c.add(Calendar.DATE, 1);
+            }
+
+            return c;
+        }
+
+        /**
+         * Returns a local time corresponding the given number of milliseconds from midnight.
+         *
+         * @param millis the number of milliseconds from midnight
+         * @return the corresponding local time
+         */
+        private static LocalTime valueOf(int millis) {
+            final int hourOfDay = (millis / 3600000) % 24;
+            final int minutes = (millis / 60000) % 60;
+            return new LocalTime(hourOfDay, minutes);
+        }
+
+        /**
+         * Returns the local time represented as milliseconds from midnight.
+         */
+        private int toMillis() {
+            return hourOfDay * 3600000 + minute * 60000;
+        }
+
+        @Override
+        public String toString() {
+            return String.format(Locale.US, "%02d:%02d", hourOfDay, minute);
+        }
+    }
+
+    /**
+     * Callback invoked whenever the Night display settings are changed.
+     */
+    public interface Callback {
+        /**
+         * Callback invoked when the activated state changes.
+         *
+         * @param activated {@code true} if Night display is activated
+         */
+        default void onActivated(boolean activated) {}
+        /**
+         * Callback invoked when the auto mode changes.
+         *
+         * @param autoMode the auto mode to use
+         */
+        default void onAutoModeChanged(int autoMode) {}
+        /**
+         * Callback invoked when the time to automatically activate Night display changes.
+         *
+         * @param startTime the local time to automatically activate Night display
+         */
+        default void onCustomStartTimeChanged(LocalTime startTime) {}
+        /**
+         * Callback invoked when the time to automatically deactivate Night display changes.
+         *
+         * @param endTime the local time to automatically deactivate Night display
+         */
+        default void onCustomEndTimeChanged(LocalTime endTime) {}
+    }
+}
diff --git a/core/java/com/android/internal/widget/ICheckCredentialProgressCallback.aidl b/core/java/com/android/internal/widget/ICheckCredentialProgressCallback.aidl
new file mode 100644
index 0000000..79717cf
--- /dev/null
+++ b/core/java/com/android/internal/widget/ICheckCredentialProgressCallback.aidl
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.widget;
+
+/** {@hide} */
+oneway interface ICheckCredentialProgressCallback {
+    void onCredentialVerified();
+}
diff --git a/core/java/com/android/internal/widget/ILockSettings.aidl b/core/java/com/android/internal/widget/ILockSettings.aidl
index 05b839d..9fa558e 100644
--- a/core/java/com/android/internal/widget/ILockSettings.aidl
+++ b/core/java/com/android/internal/widget/ILockSettings.aidl
@@ -17,6 +17,7 @@
 package com.android.internal.widget;
 
 import android.app.trust.IStrongAuthTracker;
+import com.android.internal.widget.ICheckCredentialProgressCallback;
 import com.android.internal.widget.VerifyCredentialResponse;
 
 /** {@hide} */
@@ -29,10 +30,12 @@
     String getString(in String key, in String defaultValue, in int userId);
     void setLockPattern(in String pattern, in String savedPattern, int userId);
     void resetKeyStore(int userId);
-    VerifyCredentialResponse checkPattern(in String pattern, int userId);
+    VerifyCredentialResponse checkPattern(in String pattern, int userId,
+            in ICheckCredentialProgressCallback progressCallback);
     VerifyCredentialResponse verifyPattern(in String pattern, long challenge, int userId);
     void setLockPassword(in String password, in String savedPassword, int userId);
-    VerifyCredentialResponse checkPassword(in String password, int userId);
+    VerifyCredentialResponse checkPassword(in String password, int userId,
+            in ICheckCredentialProgressCallback progressCallback);
     VerifyCredentialResponse verifyPassword(in String password, long challenge, int userId);
     VerifyCredentialResponse verifyTiedProfileChallenge(String password, boolean isPattern, long challenge, int userId);
     boolean checkVoldPassword(int userId);
diff --git a/core/java/com/android/internal/widget/LockPatternChecker.java b/core/java/com/android/internal/widget/LockPatternChecker.java
index 713f56f..df9b0dd 100644
--- a/core/java/com/android/internal/widget/LockPatternChecker.java
+++ b/core/java/com/android/internal/widget/LockPatternChecker.java
@@ -14,6 +14,13 @@
      * Interface for a callback to be invoked after security check.
      */
     public interface OnCheckCallback {
+
+        /**
+         * Invoked as soon as possible we know that the credentials match. This will be called
+         * earlier than {@link #onChecked} but only if the credentials match.
+         */
+        default void onEarlyMatched() {}
+
         /**
          * Invoked when a security check is finished.
          *
@@ -92,7 +99,7 @@
             @Override
             protected Boolean doInBackground(Void... args) {
                 try {
-                    return utils.checkPattern(pattern, userId);
+                    return utils.checkPattern(pattern, userId, callback::onEarlyMatched);
                 } catch (RequestThrottledException ex) {
                     mThrottleTimeout = ex.getTimeoutMs();
                     return false;
@@ -199,7 +206,7 @@
             @Override
             protected Boolean doInBackground(Void... args) {
                 try {
-                    return utils.checkPassword(password, userId);
+                    return utils.checkPassword(password, userId, callback::onEarlyMatched);
                 } catch (RequestThrottledException ex) {
                     mThrottleTimeout = ex.getTimeoutMs();
                     return false;
diff --git a/core/java/com/android/internal/widget/LockPatternUtils.java b/core/java/com/android/internal/widget/LockPatternUtils.java
index 2e0dfa5..eff116b 100644
--- a/core/java/com/android/internal/widget/LockPatternUtils.java
+++ b/core/java/com/android/internal/widget/LockPatternUtils.java
@@ -17,6 +17,7 @@
 package com.android.internal.widget;
 
 import android.annotation.IntDef;
+import android.annotation.Nullable;
 import android.app.admin.DevicePolicyManager;
 import android.app.trust.IStrongAuthTracker;
 import android.app.trust.TrustManager;
@@ -32,7 +33,6 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemClock;
-import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.storage.IMountService;
@@ -149,6 +149,7 @@
     private DevicePolicyManager mDevicePolicyManager;
     private ILockSettings mLockSettingsService;
     private UserManager mUserManager;
+    private final Handler mHandler = new Handler();
 
     /**
      * Use {@link TrustManager#isTrustUsuallyManaged(int)}.
@@ -341,10 +342,23 @@
      */
     public boolean checkPattern(List<LockPatternView.Cell> pattern, int userId)
             throws RequestThrottledException {
+        return checkPattern(pattern, userId, null /* progressCallback */);
+    }
+
+    /**
+     * Check to see if a pattern matches the saved pattern.  If no pattern exists,
+     * always returns true.
+     * @param pattern The pattern to check.
+     * @return Whether the pattern matches the stored one.
+     */
+    public boolean checkPattern(List<LockPatternView.Cell> pattern, int userId,
+            @Nullable CheckCredentialProgressCallback progressCallback)
+            throws RequestThrottledException {
         throwIfCalledOnMainThread();
         try {
             VerifyCredentialResponse response =
-                    getLockSettings().checkPattern(patternToString(pattern), userId);
+                    getLockSettings().checkPattern(patternToString(pattern), userId,
+                            wrapCallback(progressCallback));
 
             if (response.getResponseCode() == VerifyCredentialResponse.RESPONSE_OK) {
                 return true;
@@ -423,10 +437,22 @@
      * @return Whether the password matches the stored one.
      */
     public boolean checkPassword(String password, int userId) throws RequestThrottledException {
+        return checkPassword(password, userId, null /* progressCallback */);
+    }
+
+    /**
+     * Check to see if a password matches the saved password.  If no password exists,
+     * always returns true.
+     * @param password The password to check.
+     * @return Whether the password matches the stored one.
+     */
+    public boolean checkPassword(String password, int userId,
+            @Nullable CheckCredentialProgressCallback progressCallback)
+            throws RequestThrottledException {
         throwIfCalledOnMainThread();
         try {
             VerifyCredentialResponse response =
-                    getLockSettings().checkPassword(password, userId);
+                    getLockSettings().checkPassword(password, userId, wrapCallback(progressCallback));
             if (response.getResponseCode() == VerifyCredentialResponse.RESPONSE_OK) {
                 return true;
             } else if (response.getResponseCode() == VerifyCredentialResponse.RESPONSE_RETRY) {
@@ -1475,6 +1501,33 @@
         return (getStrongAuthForUser(userId) & ~StrongAuthTracker.ALLOWING_FINGERPRINT) == 0;
     }
 
+    private ICheckCredentialProgressCallback wrapCallback(
+            final CheckCredentialProgressCallback callback) {
+        if (callback == null) {
+            return null;
+        } else {
+            return new ICheckCredentialProgressCallback.Stub() {
+
+                @Override
+                public void onCredentialVerified() throws RemoteException {
+                    mHandler.post(callback::onEarlyMatched);
+                }
+            };
+        }
+    }
+
+    /**
+     * Callback to be notified about progress when checking credentials.
+     */
+    public interface CheckCredentialProgressCallback {
+
+        /**
+         * Called as soon as possible when we know that the credentials match but the user hasn't
+         * been fully unlocked.
+         */
+        void onEarlyMatched();
+    }
+
     /**
      * Tracks the global strong authentication state.
      */
diff --git a/core/jni/android_media_AudioFormat.h b/core/jni/android_media_AudioFormat.h
index 6513304..092aaf6 100644
--- a/core/jni/android_media_AudioFormat.h
+++ b/core/jni/android_media_AudioFormat.h
@@ -20,18 +20,20 @@
 #include <system/audio.h>
 
 // keep these values in sync with AudioFormat.java
-#define ENCODING_PCM_16BIT  2
-#define ENCODING_PCM_8BIT   3
-#define ENCODING_PCM_FLOAT  4
-#define ENCODING_AC3        5
-#define ENCODING_E_AC3      6
-#define ENCODING_DTS        7
-#define ENCODING_DTS_HD     8
-#define ENCODING_MP3        9
-#define ENCODING_AAC_LC     10
-#define ENCODING_AAC_HE_V1  11
-#define ENCODING_AAC_HE_V2  12
-#define ENCODING_IEC61937   13
+#define ENCODING_PCM_16BIT      2
+#define ENCODING_PCM_8BIT       3
+#define ENCODING_PCM_FLOAT      4
+#define ENCODING_AC3            5
+#define ENCODING_E_AC3          6
+#define ENCODING_DTS            7
+#define ENCODING_DTS_HD         8
+#define ENCODING_MP3            9
+#define ENCODING_AAC_LC         10
+#define ENCODING_AAC_HE_V1      11
+#define ENCODING_AAC_HE_V2      12
+#define ENCODING_IEC61937       13
+#define ENCODING_DOLBY_TRUEHD   14
+
 #define ENCODING_INVALID    0
 #define ENCODING_DEFAULT    1
 
@@ -65,6 +67,8 @@
         return AUDIO_FORMAT_AAC_HE_V1;
     case ENCODING_AAC_HE_V2:
         return AUDIO_FORMAT_AAC_HE_V2;
+    case ENCODING_DOLBY_TRUEHD:
+        return AUDIO_FORMAT_DOLBY_TRUEHD;
     case ENCODING_IEC61937:
         return AUDIO_FORMAT_IEC61937;
     case ENCODING_DEFAULT:
@@ -108,6 +112,8 @@
         return ENCODING_AAC_HE_V2;
     case AUDIO_FORMAT_IEC61937:
         return ENCODING_IEC61937;
+    case AUDIO_FORMAT_DOLBY_TRUEHD:
+        return ENCODING_DOLBY_TRUEHD;
     case AUDIO_FORMAT_DEFAULT:
         return ENCODING_DEFAULT;
     default:
diff --git a/core/jni/android_net_NetUtils.cpp b/core/jni/android_net_NetUtils.cpp
index 2364787..679e882 100644
--- a/core/jni/android_net_NetUtils.cpp
+++ b/core/jni/android_net_NetUtils.cpp
@@ -125,6 +125,99 @@
     }
 }
 
+static void android_net_utils_setupRaSocket(JNIEnv *env, jobject clazz, jobject javaFd,
+        jint ifIndex)
+{
+    static const int kLinkLocalHopLimit = 255;
+
+    int fd = jniGetFDFromFileDescriptor(env, javaFd);
+
+    // Set an ICMPv6 filter that only passes Router Solicitations.
+    struct icmp6_filter rs_only;
+    ICMP6_FILTER_SETBLOCKALL(&rs_only);
+    ICMP6_FILTER_SETPASS(ND_ROUTER_SOLICIT, &rs_only);
+    socklen_t len = sizeof(rs_only);
+    if (setsockopt(fd, IPPROTO_ICMPV6, ICMP6_FILTER, &rs_only, len) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "setsockopt(ICMP6_FILTER): %s", strerror(errno));
+        return;
+    }
+
+    // Most/all of the rest of these options can be set via Java code, but
+    // because we're here on account of setting an icmp6_filter go ahead
+    // and do it all natively for now.
+    //
+    // TODO: Consider moving these out to Java.
+
+    // Set the multicast hoplimit to 255 (link-local only).
+    int hops = kLinkLocalHopLimit;
+    len = sizeof(hops);
+    if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &hops, len) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "setsockopt(IPV6_MULTICAST_HOPS): %s", strerror(errno));
+        return;
+    }
+
+    // Set the unicast hoplimit to 255 (link-local only).
+    hops = kLinkLocalHopLimit;
+    len = sizeof(hops);
+    if (setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &hops, len) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "setsockopt(IPV6_UNICAST_HOPS): %s", strerror(errno));
+        return;
+    }
+
+    // Explicitly disable multicast loopback.
+    int off = 0;
+    len = sizeof(off);
+    if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &off, len) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "setsockopt(IPV6_MULTICAST_LOOP): %s", strerror(errno));
+        return;
+    }
+
+    // Specify the IPv6 interface to use for outbound multicast.
+    len = sizeof(ifIndex);
+    if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF, &ifIndex, len) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "setsockopt(IPV6_MULTICAST_IF): %s", strerror(errno));
+        return;
+    }
+
+    // Additional options to be considered:
+    //     - IPV6_TCLASS
+    //     - IPV6_RECVPKTINFO
+    //     - IPV6_RECVHOPLIMIT
+
+    // Bind to [::].
+    const struct sockaddr_in6 sin6 = {
+            .sin6_family = AF_INET6,
+            .sin6_port = 0,
+            .sin6_flowinfo = 0,
+            .sin6_addr = IN6ADDR_ANY_INIT,
+            .sin6_scope_id = 0,
+    };
+    auto sa = reinterpret_cast<const struct sockaddr *>(&sin6);
+    len = sizeof(sin6);
+    if (bind(fd, sa, len) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "bind(IN6ADDR_ANY): %s", strerror(errno));
+        return;
+    }
+
+    // Join the all-routers multicast group, ff02::2%index.
+    struct ipv6_mreq all_rtrs = {
+        .ipv6mr_multiaddr = {{{0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,2}}},
+        .ipv6mr_interface = ifIndex,
+    };
+    len = sizeof(all_rtrs);
+    if (setsockopt(fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, &all_rtrs, len) != 0) {
+        jniThrowExceptionFmt(env, "java/net/SocketException",
+                "setsockopt(IPV6_JOIN_GROUP): %s", strerror(errno));
+        return;
+    }
+}
+
 static jboolean android_net_utils_bindProcessToNetwork(JNIEnv *env, jobject thiz, jint netId)
 {
     return (jboolean) !setNetworkForProcess(netId);
@@ -173,6 +266,7 @@
     { "queryUserAccess", "(II)Z", (void*)android_net_utils_queryUserAccess },
     { "attachDhcpFilter", "(Ljava/io/FileDescriptor;)V", (void*) android_net_utils_attachDhcpFilter },
     { "attachRaFilter", "(Ljava/io/FileDescriptor;I)V", (void*) android_net_utils_attachRaFilter },
+    { "setupRaSocket", "(Ljava/io/FileDescriptor;I)V", (void*) android_net_utils_setupRaSocket },
 };
 
 int register_android_net_NetworkUtils(JNIEnv* env)
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 3c71dd9..8388f05 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -478,7 +478,7 @@
     <protected-broadcast android:name="android.intent.action.MANAGED_PROFILE_UNAVAILABLE" />
     <protected-broadcast android:name="com.android.server.pm.DISABLE_QUIET_MODE_AFTER_UNLOCK" />
 
-    <protected-broadcast android:name="com.android.server.am.ACTION_RESET_DEMO" />
+    <protected-broadcast android:name="com.android.server.retaildemo.ACTION_RESET_DEMO" />
 
     <!-- ====================================================================== -->
     <!--                          RUNTIME PERMISSIONS                           -->
diff --git a/core/res/res/layout-watch/preference_material.xml b/core/res/res/layout-watch/preference_material.xml
index 5da64fc..ad217db 100644
--- a/core/res/res/layout-watch/preference_material.xml
+++ b/core/res/res/layout-watch/preference_material.xml
@@ -29,34 +29,42 @@
 
     <LinearLayout
         android:id="@+id/icon_frame"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="-4dp"
-        android:minWidth="32dp"
-        android:gravity="start|center_vertical"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:gravity="center"
         android:orientation="horizontal"
-        android:paddingEnd="8dp"
-        android:paddingTop="4dp"
-        android:paddingBottom="4dp">
+        android:layout_marginEnd="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp">
         <com.android.internal.widget.PreferenceImageView
             android:id="@+id/icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:maxWidth="24dp"
-            android:maxHeight="24dp" />
+            android:maxWidth="40dp"
+            android:maxHeight="40dp" />
     </LinearLayout>
 
+    <!-- Preference should place its actual preference widget here. -->
+    <LinearLayout android:id="@+id/widget_frame"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:gravity="center"
+        android:orientation="horizontal"
+        android:layout_marginEnd="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp" />
+
     <RelativeLayout
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_weight="1"
-        android:paddingTop="16dp"
-        android:paddingBottom="16dp">
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp">
 
         <TextView android:id="@+id/title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:maxLines="2"
+            android:maxLines="3"
             android:textAppearance="?attr/textAppearanceListItem"
             android:ellipsize="end" />
 
@@ -70,13 +78,4 @@
             android:maxLines="10" />
 
     </RelativeLayout>
-
-    <!-- Preference should place its actual preference widget here. -->
-    <LinearLayout android:id="@+id/widget_frame"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:gravity="end|center_vertical"
-        android:paddingStart="4dp"
-        android:orientation="vertical" />
-
 </LinearLayout>
diff --git a/core/res/res/values-round-watch/dimens_material.xml b/core/res/res/values-round-watch/dimens_material.xml
index a417d19..db1f1f3 100644
--- a/core/res/res/values-round-watch/dimens_material.xml
+++ b/core/res/res/values-round-watch/dimens_material.xml
@@ -14,10 +14,10 @@
      limitations under the License.
 -->
 <resources>
-    <dimen name="dialog_padding_material">32dp</dimen>
-    <dimen name="preference_fragment_padding_vertical_material">22dp</dimen>
+    <dimen name="dialog_padding_material">@dimen/screen_percentage_15</dimen>
+    <dimen name="preference_fragment_padding_vertical_material">@dimen/screen_percentage_15</dimen>
 
-    <dimen name="list_item_padding_horizontal_material">32dp</dimen>
-    <dimen name="list_item_padding_start_material">40dp</dimen>
-    <dimen name="list_item_padding_end_material">24dp</dimen>
+    <dimen name="list_item_padding_horizontal_material">@dimen/screen_percentage_15</dimen>
+    <dimen name="list_item_padding_start_material">@dimen/screen_percentage_15</dimen>
+    <dimen name="list_item_padding_end_material">@dimen/screen_percentage_10</dimen>
 </resources>
diff --git a/packages/SystemUI/res/layout/night_mode_settings.xml b/core/res/res/values-w194dp/dimens_material.xml
similarity index 71%
copy from packages/SystemUI/res/layout/night_mode_settings.xml
copy to core/res/res/values-w194dp/dimens_material.xml
index 3725e78..220c4b0 100644
--- a/packages/SystemUI/res/layout/night_mode_settings.xml
+++ b/core/res/res/values-w194dp/dimens_material.xml
@@ -13,12 +13,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <include layout="@layout/switch_bar" />
-
-</LinearLayout>
+<resources>
+    <dimen name="screen_percentage_05">9.7dp</dimen>
+    <dimen name="screen_percentage_10">19.4dp</dimen>
+    <dimen name="screen_percentage_15">29.1dp</dimen>
+</resources>
diff --git a/packages/SystemUI/res/layout/night_mode_settings.xml b/core/res/res/values-w205dp/dimens_material.xml
similarity index 71%
copy from packages/SystemUI/res/layout/night_mode_settings.xml
copy to core/res/res/values-w205dp/dimens_material.xml
index 3725e78..94907ee 100644
--- a/packages/SystemUI/res/layout/night_mode_settings.xml
+++ b/core/res/res/values-w205dp/dimens_material.xml
@@ -13,12 +13,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <include layout="@layout/switch_bar" />
-
-</LinearLayout>
+<resources>
+    <dimen name="screen_percentage_05">10.25dp</dimen>
+    <dimen name="screen_percentage_10">20.5dp</dimen>
+    <dimen name="screen_percentage_15">30.75dp</dimen>
+</resources>
diff --git a/packages/SystemUI/res/layout/night_mode_settings.xml b/core/res/res/values-w213dp/dimens_material.xml
similarity index 71%
copy from packages/SystemUI/res/layout/night_mode_settings.xml
copy to core/res/res/values-w213dp/dimens_material.xml
index 3725e78..8a4e3a0 100644
--- a/packages/SystemUI/res/layout/night_mode_settings.xml
+++ b/core/res/res/values-w213dp/dimens_material.xml
@@ -13,12 +13,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <include layout="@layout/switch_bar" />
-
-</LinearLayout>
+<resources>
+    <dimen name="screen_percentage_05">10.65dp</dimen>
+    <dimen name="screen_percentage_10">21.3dp</dimen>
+    <dimen name="screen_percentage_15">31.95dp</dimen>
+</resources>
diff --git a/packages/SystemUI/res/layout/night_mode_settings.xml b/core/res/res/values-w228dp/dimens_material.xml
similarity index 71%
rename from packages/SystemUI/res/layout/night_mode_settings.xml
rename to core/res/res/values-w228dp/dimens_material.xml
index 3725e78..a200975 100644
--- a/packages/SystemUI/res/layout/night_mode_settings.xml
+++ b/core/res/res/values-w228dp/dimens_material.xml
@@ -13,12 +13,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <include layout="@layout/switch_bar" />
-
-</LinearLayout>
+<resources>
+    <dimen name="screen_percentage_05">11.4dp</dimen>
+    <dimen name="screen_percentage_10">22.8dp</dimen>
+    <dimen name="screen_percentage_15">34.2dp</dimen>
+</resources>
diff --git a/packages/SystemUI/res/layout/night_mode_settings.xml b/core/res/res/values-w240dp/dimens_material.xml
similarity index 71%
copy from packages/SystemUI/res/layout/night_mode_settings.xml
copy to core/res/res/values-w240dp/dimens_material.xml
index 3725e78..a4b58fa 100644
--- a/packages/SystemUI/res/layout/night_mode_settings.xml
+++ b/core/res/res/values-w240dp/dimens_material.xml
@@ -13,12 +13,8 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <include layout="@layout/switch_bar" />
-
-</LinearLayout>
+<resources>
+    <dimen name="screen_percentage_05">12dp</dimen>
+    <dimen name="screen_percentage_10">24dp</dimen>
+    <dimen name="screen_percentage_15">36dp</dimen>
+</resources>
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 7d8d811..7d19537 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -754,6 +754,26 @@
     -->
     <integer name="config_defaultNightMode">1</integer>
 
+    <!-- Control whether Night display is available. This should only be enabled on devices
+         with HWC 2.0 or higher. -->
+    <bool name="config_nightDisplayAvailable">false</bool>
+
+    <!-- Default mode to control how Night display is automatically activated.
+         One of the following values (see NightDisplayController.java):
+             0 - AUTO_MODE_DISABLED
+             1 - AUTO_MODE_CUSTOM
+             2 - AUTO_MODE_TWILIGHT
+    -->
+    <integer name="config_defaultNightDisplayAutoMode">1</integer>
+
+    <!-- Default time when Night display is automatically activated.
+         Represented as milliseconds from midnight (e.g. 79200000 == 10pm). -->
+    <integer name="config_defaultNightDisplayCustomStartTime">79200000</integer>
+
+    <!-- Default time when Night display is automatically deactivated.
+         Represented as milliseconds from midnight (e.g. 21600000 == 6am). -->
+    <integer name="config_defaultNightDisplayCustomEndTime">21600000</integer>
+
     <!-- Indicate whether to allow the device to suspend when the screen is off
          due to the proximity sensor.  This resource should only be set to true
          if the sensor HAL correctly handles the proximity sensor as a wake-up source.
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index a781f9a..ff5f7d9 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2664,4 +2664,8 @@
   <java-symbol type="drawable" name="ic_doc_video" />
   <java-symbol type="drawable" name="ic_doc_generic" />
 
+  <java-symbol type="bool" name="config_nightDisplayAvailable" />
+  <java-symbol type="integer" name="config_defaultNightDisplayAutoMode" />
+  <java-symbol type="integer" name="config_defaultNightDisplayCustomStartTime" />
+  <java-symbol type="integer" name="config_defaultNightDisplayCustomEndTime" />
 </resources>
diff --git a/docs/html/guide/topics/security/permissions.jd b/docs/html/guide/topics/security/permissions.jd
index e7bf760..39a1f81 100644
--- a/docs/html/guide/topics/security/permissions.jd
+++ b/docs/html/guide/topics/security/permissions.jd
@@ -675,7 +675,7 @@
 <a name="manifest"></a>
 <h3>Enforcing Permissions in AndroidManifest.xml</h3>
 
-<p>TYou can apply high-level permissions restricting access to entire components
+<p>You can apply high-level permissions restricting access to entire components
 of the system or application through your
 <code>AndroidManifest.xml</code>. To do this, include an {@link
 android.R.attr#permission android:permission} attribute on the desired
diff --git a/media/java/android/media/AudioFormat.java b/media/java/android/media/AudioFormat.java
index a4484e7..7d5939c 100644
--- a/media/java/android/media/AudioFormat.java
+++ b/media/java/android/media/AudioFormat.java
@@ -263,6 +263,10 @@
      * on some platforms when converting to short internally.
      */
     public static final int ENCODING_IEC61937 = 13;
+    /** Audio data format: DOLBY TRUEHD compressed
+     * @hide
+     **/
+    public static final int ENCODING_DOLBY_TRUEHD = 14;
 
     /** Invalid audio channel configuration */
     /** @deprecated Use {@link #CHANNEL_INVALID} instead.  */
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index 4bdc70e..f19a262 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -2744,6 +2744,7 @@
      * to be notified.
      * Use {@link AudioManager#getActiveRecordingConfigurations()} to query the current
      * configuration.
+     * @see AudioRecordingConfiguration
      */
     public static abstract class AudioRecordingCallback {
         /**
@@ -2850,6 +2851,7 @@
      * Returns the current active audio recording configurations of the device.
      * @return a non-null list of recording configurations. An empty list indicates there is
      *     no recording active when queried.
+     * @see AudioRecordingConfiguration
      */
     public @NonNull List<AudioRecordingConfiguration> getActiveRecordingConfigurations() {
         final IAudioService service = getService();
diff --git a/media/java/android/media/AudioRecordingConfiguration.java b/media/java/android/media/AudioRecordingConfiguration.java
index 5935166..354339c 100644
--- a/media/java/android/media/AudioRecordingConfiguration.java
+++ b/media/java/android/media/AudioRecordingConfiguration.java
@@ -28,8 +28,18 @@
 
 /**
  * The AudioRecordingConfiguration class collects the information describing an audio recording
- * session. This information is returned through the
- * {@link AudioManager#getActiveRecordingConfigurations()} method.
+ * session.
+ * <p>Direct polling (see {@link AudioManager#getActiveRecordingConfigurations()}) or callback
+ * (see {@link AudioManager#registerAudioRecordingCallback(android.media.AudioManager.AudioRecordingCallback, android.os.Handler)}
+ * methods are ways to receive information about the current recording configuration of the device.
+ * <p>An audio recording configuration contains information about the recording format as used by
+ * the application ({@link #getClientFormat()}, as well as the recording format actually used by
+ * the device ({@link #getFormat()}). The two recording formats may, for instance, be at different
+ * sampling rates due to hardware limitations (e.g. application recording at 44.1kHz whereas the
+ * device always records at 48kHz, and the Android framework resamples for the application).
+ * <p>The configuration also contains the use case for which audio is recorded
+ * ({@link #getClientAudioSource()}), enabling the ability to distinguish between different
+ * activities such as ongoing voice recognition or camcorder recording.
  *
  */
 public final class AudioRecordingConfiguration implements Parcelable {
@@ -198,4 +208,4 @@
                 && (mClientFormat.equals(that.mClientFormat))
                 && (mDeviceFormat.equals(that.mDeviceFormat)));
     }
-}
\ No newline at end of file
+}
diff --git a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
index 62f33bf..a3070bd 100644
--- a/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
+++ b/packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java
@@ -492,23 +492,26 @@
             throw new IllegalStateException("Failed to delete " + file);
         }
 
-        final ContentResolver resolver = getContext().getContentResolver();
-        final Uri externalUri = MediaStore.Files.getContentUri("external");
+        final File visibleFile = getFileForDocId(docId, true);
+        if (visibleFile != null) {
+            final ContentResolver resolver = getContext().getContentResolver();
+            final Uri externalUri = MediaStore.Files.getContentUri("external");
 
-        // Remove media store entries for any files inside this directory, using
-        // path prefix match. Logic borrowed from MtpDatabase.
-        if (isDirectory) {
-            final String path = file.getAbsolutePath() + "/";
+            // Remove media store entries for any files inside this directory, using
+            // path prefix match. Logic borrowed from MtpDatabase.
+            if (isDirectory) {
+                final String path = visibleFile.getAbsolutePath() + "/";
+                resolver.delete(externalUri,
+                        "_data LIKE ?1 AND lower(substr(_data,1,?2))=lower(?3)",
+                        new String[] { path + "%", Integer.toString(path.length()), path });
+            }
+
+            // Remove media store entry for this exact file.
+            final String path = visibleFile.getAbsolutePath();
             resolver.delete(externalUri,
-                    "_data LIKE ?1 AND lower(substr(_data,1,?2))=lower(?3)",
-                    new String[] { path + "%", Integer.toString(path.length()), path });
+                    "_data LIKE ?1 AND lower(_data)=lower(?2)",
+                    new String[] { path, path });
         }
-
-        // Remove media store entry for this exact file.
-        final String path = file.getAbsolutePath();
-        resolver.delete(externalUri,
-                "_data LIKE ?1 AND lower(_data)=lower(?2)",
-                new String[] { path, path });
     }
 
     @Override
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardAbsKeyInputView.java b/packages/Keyguard/src/com/android/keyguard/KeyguardAbsKeyInputView.java
index 60eaad2..038e08d 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardAbsKeyInputView.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardAbsKeyInputView.java
@@ -137,12 +137,21 @@
                 entry,
                 userId,
                 new LockPatternChecker.OnCheckCallback() {
+
+                    @Override
+                    public void onEarlyMatched() {
+                        onPasswordChecked(userId, true /* matched */, 0 /* timeoutMs */,
+                                true /* isValidPassword */);
+                    }
+
                     @Override
                     public void onChecked(boolean matched, int timeoutMs) {
                         setPasswordEntryInputEnabled(true);
                         mPendingLockCheck = null;
-                        onPasswordChecked(userId, matched, timeoutMs,
-                                true /* isValidPassword */);
+                        if (!matched) {
+                            onPasswordChecked(userId, false /* matched */, timeoutMs,
+                                    true /* isValidPassword */);
+                        }
                     }
                 });
     }
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardPINView.java b/packages/Keyguard/src/com/android/keyguard/KeyguardPINView.java
index 7ea767c..4f5152a 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardPINView.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardPINView.java
@@ -36,6 +36,7 @@
 
     private final AppearAnimationUtils mAppearAnimationUtils;
     private final DisappearAnimationUtils mDisappearAnimationUtils;
+    private final DisappearAnimationUtils mDisappearAnimationUtilsLocked;
     private ViewGroup mContainer;
     private ViewGroup mRow0;
     private ViewGroup mRow1;
@@ -44,6 +45,7 @@
     private View mDivider;
     private int mDisappearYTranslation;
     private View[][] mViews;
+    private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
 
     public KeyguardPINView(Context context) {
         this(context, null);
@@ -56,8 +58,14 @@
                 125, 0.6f /* translationScale */,
                 0.45f /* delayScale */, AnimationUtils.loadInterpolator(
                         mContext, android.R.interpolator.fast_out_linear_in));
+        mDisappearAnimationUtilsLocked = new DisappearAnimationUtils(context,
+                (long) (125 * KeyguardPatternView.DISAPPEAR_MULTIPLIER_LOCKED),
+                0.6f /* translationScale */,
+                0.45f /* delayScale */, AnimationUtils.loadInterpolator(
+                        mContext, android.R.interpolator.fast_out_linear_in));
         mDisappearYTranslation = getResources().getDimensionPixelSize(
                 R.dimen.disappear_y_translation);
+        mKeyguardUpdateMonitor = KeyguardUpdateMonitor.getInstance(context);
     }
 
     @Override
@@ -136,7 +144,10 @@
         setTranslationY(0);
         AppearAnimationUtils.startTranslationYAnimation(this, 0 /* delay */, 280 /* duration */,
                 mDisappearYTranslation, mDisappearAnimationUtils.getInterpolator());
-        mDisappearAnimationUtils.startAnimation2d(mViews,
+        DisappearAnimationUtils disappearAnimationUtils = mKeyguardUpdateMonitor.isUserUnlocked()
+                ? mDisappearAnimationUtils
+                : mDisappearAnimationUtilsLocked;
+        disappearAnimationUtils.startAnimation2d(mViews,
                 new Runnable() {
                     @Override
                     public void run() {
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardPatternView.java b/packages/Keyguard/src/com/android/keyguard/KeyguardPatternView.java
index e070492..84b90c4 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardPatternView.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardPatternView.java
@@ -55,9 +55,13 @@
     // how many cells the user has to cross before we poke the wakelock
     private static final int MIN_PATTERN_BEFORE_POKE_WAKELOCK = 2;
 
+    // How much we scale up the duration of the disappear animation when the current user is locked
+    public static final float DISAPPEAR_MULTIPLIER_LOCKED = 1.5f;
+
     private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
     private final AppearAnimationUtils mAppearAnimationUtils;
     private final DisappearAnimationUtils mDisappearAnimationUtils;
+    private final DisappearAnimationUtils mDisappearAnimationUtilsLocked;
 
     private CountDownTimer mCountdownTimer = null;
     private LockPatternUtils mLockPatternUtils;
@@ -109,6 +113,10 @@
                 125, 1.2f /* translationScale */,
                 0.6f /* delayScale */, AnimationUtils.loadInterpolator(
                         mContext, android.R.interpolator.fast_out_linear_in));
+        mDisappearAnimationUtilsLocked = new DisappearAnimationUtils(context,
+                (long) (125 * DISAPPEAR_MULTIPLIER_LOCKED), 1.2f /* translationScale */,
+                0.6f /* delayScale */, AnimationUtils.loadInterpolator(
+                mContext, android.R.interpolator.fast_out_linear_in));
         mDisappearYTranslation = getResources().getDimensionPixelSize(
                 R.dimen.disappear_y_translation);
     }
@@ -239,11 +247,21 @@
                     pattern,
                     userId,
                     new LockPatternChecker.OnCheckCallback() {
+
+                        @Override
+                        public void onEarlyMatched() {
+                            onPatternChecked(userId, true /* matched */, 0 /* timeoutMs */,
+                                    true /* isValidPattern */);
+                        }
+
                         @Override
                         public void onChecked(boolean matched, int timeoutMs) {
                             mLockPatternView.enableInput();
                             mPendingLockCheck = null;
-                            onPatternChecked(userId, matched, timeoutMs, true);
+                            if (!matched) {
+                                onPatternChecked(userId, false /* matched */, timeoutMs,
+                                        true /* isValidPattern */);
+                            }
                         }
                     });
             if (pattern.size() > MIN_PATTERN_BEFORE_POKE_WAKELOCK) {
@@ -390,25 +408,30 @@
 
     @Override
     public boolean startDisappearAnimation(final Runnable finishRunnable) {
+        float durationMultiplier = mKeyguardUpdateMonitor.isUserUnlocked()
+                ? 1f
+                : DISAPPEAR_MULTIPLIER_LOCKED;
         mLockPatternView.clearPattern();
         enableClipping(false);
         setTranslationY(0);
-        AppearAnimationUtils.startTranslationYAnimation(this, 0 /* delay */, 300 /* duration */,
+        AppearAnimationUtils.startTranslationYAnimation(this, 0 /* delay */,
+                (long) (300 * durationMultiplier),
                 -mDisappearAnimationUtils.getStartTranslation(),
                 mDisappearAnimationUtils.getInterpolator());
-        mDisappearAnimationUtils.startAnimation2d(mLockPatternView.getCellStates(),
-                new Runnable() {
-                    @Override
-                    public void run() {
-                        enableClipping(true);
-                        if (finishRunnable != null) {
-                            finishRunnable.run();
-                        }
+
+        DisappearAnimationUtils disappearAnimationUtils = mKeyguardUpdateMonitor.isUserUnlocked()
+                ? mDisappearAnimationUtils
+                : mDisappearAnimationUtilsLocked;
+        disappearAnimationUtils.startAnimation2d(mLockPatternView.getCellStates(),
+                () -> {
+                    enableClipping(true);
+                    if (finishRunnable != null) {
+                        finishRunnable.run();
                     }
                 }, KeyguardPatternView.this);
         if (!TextUtils.isEmpty(mSecurityMessageDisplay.getText())) {
             mDisappearAnimationUtils.createAnimation(mSecurityMessageDisplay, 0,
-                    200,
+                    (long) (200 * durationMultiplier),
                     - mDisappearAnimationUtils.getStartTranslation() * 3,
                     false /* appearing */,
                     mDisappearAnimationUtils.getInterpolator(),
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 94d9550..dec1fd2 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -16,6 +16,16 @@
 
 package com.android.keyguard;
 
+import static android.os.BatteryManager.BATTERY_HEALTH_UNKNOWN;
+import static android.os.BatteryManager.BATTERY_STATUS_FULL;
+import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
+import static android.os.BatteryManager.EXTRA_HEALTH;
+import static android.os.BatteryManager.EXTRA_LEVEL;
+import static android.os.BatteryManager.EXTRA_MAX_CHARGING_CURRENT;
+import static android.os.BatteryManager.EXTRA_MAX_CHARGING_VOLTAGE;
+import static android.os.BatteryManager.EXTRA_PLUGGED;
+import static android.os.BatteryManager.EXTRA_STATUS;
+
 import android.app.ActivityManager;
 import android.app.ActivityManagerNative;
 import android.app.AlarmManager;
@@ -29,7 +39,6 @@
 import android.content.IntentFilter;
 import android.database.ContentObserver;
 import android.graphics.Bitmap;
-import android.hardware.fingerprint.Fingerprint;
 import android.hardware.fingerprint.FingerprintManager;
 import android.hardware.fingerprint.FingerprintManager.AuthenticationCallback;
 import android.hardware.fingerprint.FingerprintManager.AuthenticationResult;
@@ -42,6 +51,7 @@
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.provider.Settings;
 import android.telephony.ServiceState;
 import android.telephony.SubscriptionInfo;
@@ -69,16 +79,6 @@
 import java.util.List;
 import java.util.Map.Entry;
 
-import static android.os.BatteryManager.BATTERY_HEALTH_UNKNOWN;
-import static android.os.BatteryManager.BATTERY_STATUS_FULL;
-import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
-import static android.os.BatteryManager.EXTRA_HEALTH;
-import static android.os.BatteryManager.EXTRA_LEVEL;
-import static android.os.BatteryManager.EXTRA_MAX_CHARGING_CURRENT;
-import static android.os.BatteryManager.EXTRA_MAX_CHARGING_VOLTAGE;
-import static android.os.BatteryManager.EXTRA_PLUGGED;
-import static android.os.BatteryManager.EXTRA_STATUS;
-
 /**
  * Watches for updates that may be interesting to the keyguard, and provides
  * the up to date information as well as a registration for callbacks that care
@@ -176,6 +176,7 @@
     private boolean mGoingToSleep;
     private boolean mBouncer;
     private boolean mBootCompleted;
+    private boolean mUserUnlocked;
 
     // Device provisioning state
     private boolean mDeviceProvisioned;
@@ -202,6 +203,7 @@
     private AlarmManager mAlarmManager;
     private List<SubscriptionInfo> mSubscriptionInfo;
     private TrustManager mTrustManager;
+    private UserManager mUserManager;
     private int mFingerprintRunningState = FINGERPRINT_STATE_STOPPED;
 
     private final Handler mHandler = new Handler() {
@@ -554,6 +556,10 @@
                 && !hasFingerprintUnlockTimedOut(sCurrentUser);
     }
 
+    public boolean isUserUnlocked() {
+        return mUserUnlocked;
+    }
+
     public StrongAuthTracker getStrongAuthTracker() {
         return mStrongAuthTracker;
     }
@@ -1058,6 +1064,8 @@
         if (mFpm != null) {
             mFpm.addLockoutResetCallback(mLockoutResetCallback);
         }
+
+        mUserManager = context.getSystemService(UserManager.class);
     }
 
     private void updateFingerprintListeningState() {
@@ -1390,6 +1398,7 @@
     private void handleKeyguardReset() {
         if (DEBUG) Log.d(TAG, "handleKeyguardReset");
         updateFingerprintListeningState();
+        mUserUnlocked = mUserManager.isUserUnlocked(getCurrentUser());
     }
 
     /**
diff --git a/packages/SystemUI/res/drawable/ic_night_mode.xml b/packages/SystemUI/res/drawable/ic_night_mode.xml
deleted file mode 100644
index caa7a47..0000000
--- a/packages/SystemUI/res/drawable/ic_night_mode.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<!--
-    Copyright (C) 2016 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24.0dp"
-        android:height="24.0dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FFFFFFFF"
-        android:pathData="M20.71,5.63l-2.34,-2.34c-0.39,-0.39 -1.02,-0.39 -1.41,0.0l-3.12,3.12 -1.93,-1.91 -1.41,1.41 1.42,1.42L3.0,16.25L3.0,21.0l4.75,0.0l8.92,-8.92 1.42,1.42 1.41,-1.41 -1.92,-1.92 3.12,-3.12c0.4,0.0 0.4,-1.0 0.01,-1.42zM6.92,19.0L5.0,17.08l8.06,-8.06 1.92,1.92L6.92,19.0z"/>
-</vector>
diff --git a/packages/SystemUI/res/drawable/ic_night_mode_disabled.xml b/packages/SystemUI/res/drawable/ic_night_mode_disabled.xml
deleted file mode 100644
index 010815a..0000000
--- a/packages/SystemUI/res/drawable/ic_night_mode_disabled.xml
+++ /dev/null
@@ -1,24 +0,0 @@
-<!--
-    Copyright (C) 2016 The Android Open Source Project
-
-    Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24.0dp"
-        android:height="24.0dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#4DFFFFFF"
-        android:pathData="M20.71,5.63l-2.34,-2.34c-0.39,-0.39 -1.02,-0.39 -1.41,0.0l-3.12,3.12 -1.93,-1.91 -1.41,1.41 1.42,1.42L3.0,16.25L3.0,21.0l4.75,0.0l8.92,-8.92 1.42,1.42 1.41,-1.41 -1.92,-1.92 3.12,-3.12c0.4,0.0 0.4,-1.0 0.01,-1.42zM6.92,19.0L5.0,17.08l8.06,-8.06 1.92,1.92L6.92,19.0z"/>
-</vector>
diff --git a/packages/SystemUI/res/layout/calibrate_sliders.xml b/packages/SystemUI/res/layout/calibrate_sliders.xml
deleted file mode 100644
index 0dec8a1..0000000
--- a/packages/SystemUI/res/layout/calibrate_sliders.xml
+++ /dev/null
@@ -1,97 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     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.
--->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
-    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
-    android:paddingTop="8dp"
-    android:paddingBottom="8dp"
-    android:orientation="vertical">
-
-    <LinearLayout
-        android:id="@+id/r_group"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingTop="4dp"
-        android:paddingBottom="4dp"
-        android:orientation="horizontal">
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/color_modification_r"
-            android:gravity="center"
-            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-        <SeekBar android:id="@*android:id/seekbar"
-            android:layout_marginStart="16dp"
-            android:layout_gravity="center_vertical"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1" />
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/g_group"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingTop="4dp"
-        android:paddingBottom="4dp"
-        android:orientation="horizontal">
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/color_modification_g"
-            android:gravity="center"
-            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-        <SeekBar android:id="@*android:id/seekbar"
-            android:layout_marginStart="16dp"
-            android:layout_gravity="center_vertical"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1" />
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/b_group"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingTop="4dp"
-        android:paddingBottom="4dp"
-        android:orientation="horizontal">
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/color_modification_b"
-            android:gravity="center"
-            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-        <SeekBar android:id="@*android:id/seekbar"
-            android:layout_marginStart="16dp"
-            android:layout_gravity="center_vertical"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1" />
-    </LinearLayout>
-
-</LinearLayout>
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 4f523f3..3ed0711 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -1336,59 +1336,6 @@
     <!-- Notification: Gear: Content description for the gear. [CHAR LIMIT=NONE] -->
     <string name="notification_gear_accessibility"><xliff:g id="app_name" example="YouTube">%1$s</xliff:g> notification controls</string>
 
-    <!-- SysUI Tuner: Color and appearance screen title [CHAR LIMIT=50] -->
-    <string name="color_and_appearance">Color and appearance</string>
-
-    <!-- SysUI Tuner: Name of the night mode feature [CHAR LIMIT=30] -->
-    <string name="night_mode">Night mode</string>
-
-    <!-- SysUI Tuner: Name of calibrate display dialog [CHAR LIMIT=30] -->
-    <string name="calibrate_display">Calibrate display</string>
-
-    <!-- SysUI Tuner: Summary of night mode when its on [CHAR LIMIT=NONE] -->
-    <string name="night_mode_on">On</string>
-
-    <!-- SysUI Tuner: Summary of night mode when its off [CHAR LIMIT=NONE] -->
-    <string name="night_mode_off">Off</string>
-
-    <!-- SysUI Tuner: Label for switch to turn on night mode automatically [CHAR LIMIT=50] -->
-    <string name="turn_on_automatically">Turn on automatically</string>
-
-    <!-- SysUI Tuner: Summary for switch to turn on night mode automatically [CHAR LIMIT=NONE] -->
-    <string name="turn_on_auto_summary">Switch into Night Mode as appropriate for location and time of day</string>
-
-    <!-- SysUI Tuner: Label for section controlling what night mode does [CHAR LIMIT=60] -->
-    <string name="when_night_mode_on">When Night Mode is on</string>
-
-    <!-- SysUI Tuner: Switch controlling whether dark theme is turned on with night mode [CHAR LIMIT=45] -->
-    <string name="use_dark_theme">Use dark theme for Android OS</string>
-
-    <!-- SysUI Tuner: Switch controlling whether tint is changed with night mode [CHAR LIMIT=45] -->
-    <string name="adjust_tint">Adjust tint</string>
-
-    <!-- SysUI Tuner: Switch controlling whether brightness is changed with night mode [CHAR LIMIT=45] -->
-    <string name="adjust_brightness">Adjust brightness</string>
-
-    <!-- SysUI Tuner: Disclaimer about using dark theme with night mode [CHAR LIMIT=NONE] -->
-    <string name="night_mode_disclaimer">The dark theme is applied to
-        core areas of Android OS that are normally displayed in a light theme,
-        such as Settings.</string>
-
-    <!-- Button to apply settings [CHAR LIMIT=30] -->
-    <string name="color_apply">Apply</string>
-
-    <!-- Title of warning dialog about bad color settings. [CHAR LIMIT=30] -->
-    <string name="color_revert_title">Confirm settings</string>
-
-    <!-- Message warning user about custom color settings [CHAR LIMIT=NONE] -->
-    <string name="color_revert_message">Some color settings can make this
-        device unusable. Click OK to confirm these color settings,
-        otherwise these settings will reset after 10 seconds.</string>
-
-    <string name="color_modification_r" translatable="false">R</string>
-    <string name="color_modification_g" translatable="false">G</string>
-    <string name="color_modification_b" translatable="false">B</string>
-
     <!-- Title of the battery settings detail panel [CHAR LIMIT=20] -->
     <string name="battery_panel_title">Battery usage</string>
 
diff --git a/packages/SystemUI/res/xml/color_and_appearance.xml b/packages/SystemUI/res/xml/color_and_appearance.xml
deleted file mode 100644
index 21f890e..0000000
--- a/packages/SystemUI/res/xml/color_and_appearance.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2016 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:sysui="http://schemas.android.com/apk/res-auto"
-    android:title="@string/color_and_appearance">
-
-    <Preference
-        android:key="night_mode"
-        android:title="@string/night_mode"
-        android:fragment="com.android.systemui.tuner.NightModeFragment" />
-
-    <com.android.systemui.tuner.CalibratePreference
-        android:key="calibrate"
-        android:title="@string/calibrate_display" />
-
-</PreferenceScreen>
diff --git a/packages/SystemUI/res/xml/night_mode.xml b/packages/SystemUI/res/xml/night_mode.xml
deleted file mode 100644
index 34af820..0000000
--- a/packages/SystemUI/res/xml/night_mode.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2016 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:sysui="http://schemas.android.com/apk/res-auto"
-    android:title="@string/night_mode">
-
-    <SwitchPreference
-        android:key="auto"
-        android:title="@string/turn_on_automatically"
-        android:summary="@string/turn_on_auto_summary" />
-
-    <PreferenceCategory
-        android:title="@string/when_night_mode_on">
-
-        <SwitchPreference
-            android:key="adjust_tint"
-            android:title="@string/adjust_tint" />
-
-        <SwitchPreference
-            android:key="adjust_brightness"
-            android:title="@string/adjust_brightness" />
-
-    </PreferenceCategory>
-
-</PreferenceScreen>
diff --git a/packages/SystemUI/res/xml/tuner_prefs.xml b/packages/SystemUI/res/xml/tuner_prefs.xml
index 116bc69..b46e862 100644
--- a/packages/SystemUI/res/xml/tuner_prefs.xml
+++ b/packages/SystemUI/res/xml/tuner_prefs.xml
@@ -100,13 +100,6 @@
 
     </PreferenceScreen>
 
-    <!--
-    <Preference
-        android:key="color_transform"
-        android:title="@string/color_and_appearance"
-        android:fragment="com.android.systemui.tuner.ColorAndAppearanceFragment" />
-    -->
-
     <PreferenceScreen
         android:key="volume_and_do_not_disturb"
         android:title="@string/volume_and_do_not_disturb">
diff --git a/packages/SystemUI/src/com/android/systemui/Prefs.java b/packages/SystemUI/src/com/android/systemui/Prefs.java
index 907616c..19ae295 100644
--- a/packages/SystemUI/src/com/android/systemui/Prefs.java
+++ b/packages/SystemUI/src/com/android/systemui/Prefs.java
@@ -47,7 +47,6 @@
         Key.QS_DATA_SAVER_DIALOG_SHOWN,
         Key.QS_INVERT_COLORS_ADDED,
         Key.QS_WORK_ADDED,
-        Key.QS_NIGHT_ADDED,
     })
     public @interface Key {
         String OVERVIEW_LAST_STACK_TASK_ACTIVE_TIME = "OverviewLastStackTaskActiveTime";
@@ -67,7 +66,6 @@
         String QS_DATA_SAVER_DIALOG_SHOWN = "QsDataSaverDialogShown";
         String QS_INVERT_COLORS_ADDED = "QsInvertColorsAdded";
         String QS_WORK_ADDED = "QsWorkAdded";
-        String QS_NIGHT_ADDED = "QsNightAdded";
     }
 
     public static boolean getBoolean(Context context, @Key String key, boolean defaultValue) {
diff --git a/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java b/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
index 9a36aca..06ce88cc 100644
--- a/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
+++ b/packages/SystemUI/src/com/android/systemui/SystemUIFactory.java
@@ -28,6 +28,7 @@
 import com.android.systemui.statusbar.BaseStatusBar;
 import com.android.systemui.statusbar.ScrimView;
 import com.android.systemui.statusbar.phone.KeyguardBouncer;
+import com.android.systemui.statusbar.phone.LockscreenWallpaper;
 import com.android.systemui.statusbar.phone.NotificationIconAreaController;
 import com.android.systemui.statusbar.phone.PhoneStatusBar;
 import com.android.systemui.statusbar.phone.QSTileHost;
@@ -92,7 +93,7 @@
     }
 
     public ScrimController createScrimController(ScrimView scrimBehind, ScrimView scrimInFront,
-            View headsUpScrim) {
+            View headsUpScrim, LockscreenWallpaper lockscreenWallpaper) {
         return new ScrimController(scrimBehind, scrimInFront, headsUpScrim);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
index 27b079a..ca853fe 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSTile.java
@@ -39,7 +39,6 @@
 import com.android.systemui.statusbar.policy.BatteryController;
 import com.android.systemui.statusbar.policy.BluetoothController;
 import com.android.systemui.statusbar.policy.CastController;
-import com.android.systemui.statusbar.policy.NightModeController;
 import com.android.systemui.statusbar.policy.FlashlightController;
 import com.android.systemui.statusbar.policy.HotspotController;
 import com.android.systemui.statusbar.policy.KeyguardMonitor;
@@ -447,7 +446,6 @@
         UserInfoController getUserInfoController();
         BatteryController getBatteryController();
         TileServices getTileServices();
-        NightModeController getNightModeController();
         void removeTile(String tileSpec);
         ManagedProfileController getManagedProfileController();
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/AutoTileManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/AutoTileManager.java
index 58fbd4c..b742479 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/AutoTileManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/AutoTileManager.java
@@ -24,7 +24,6 @@
 import com.android.systemui.statusbar.policy.DataSaverController.Listener;
 import com.android.systemui.statusbar.policy.HotspotController;
 import com.android.systemui.statusbar.policy.HotspotController.Callback;
-import com.android.systemui.statusbar.policy.NightModeController;
 
 /**
  * Manages which tiles should be automatically added to QS.
@@ -67,35 +66,12 @@
         if (!Prefs.getBoolean(context, Key.QS_WORK_ADDED, false)) {
             host.getManagedProfileController().addCallback(mProfileCallback);
         }
-        if (!Prefs.getBoolean(context, Key.QS_NIGHT_ADDED, false)) {
-            host.getNightModeController().addListener(mNightModeListener);
-        }
     }
 
     public void destroy() {
         // TODO: Remove any registered listeners.
     }
 
-    private final NightModeController.Listener mNightModeListener =
-            new NightModeController.Listener() {
-        @Override
-        public void onNightModeChanged() {
-            if (mHost.getNightModeController().isEnabled()) {
-                mHost.addTile("night");
-                Prefs.putBoolean(mContext, Key.QS_NIGHT_ADDED, true);
-                mHandler.post(new Runnable() {
-                    @Override
-                    public void run() {
-                        mHost.getNightModeController().removeListener(mNightModeListener);
-                    }
-                });
-            }
-        }
-
-        @Override
-        public void onTwilightAutoChanged() { }
-    };
-
     private final ManagedProfileController.Callback mProfileCallback =
             new ManagedProfileController.Callback() {
                 @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
index ee88b00..b3e86b5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java
@@ -234,7 +234,6 @@
         mKeyguardView.setViewMediatorCallback(mCallback);
         mContainer.addView(mRoot, mContainer.getChildCount());
         mRoot.setVisibility(View.INVISIBLE);
-        mRoot.setSystemUiVisibility(View.STATUS_BAR_DISABLE_HOME);
     }
 
     protected void removeView() {
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 cb3089a..34aaae4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -788,11 +788,15 @@
         mBackdropFront = (ImageView) mBackdrop.findViewById(R.id.backdrop_front);
         mBackdropBack = (ImageView) mBackdrop.findViewById(R.id.backdrop_back);
 
+        if (ENABLE_LOCKSCREEN_WALLPAPER) {
+            mLockscreenWallpaper = new LockscreenWallpaper(mContext, this, mHandler);
+        }
+
         ScrimView scrimBehind = (ScrimView) mStatusBarWindow.findViewById(R.id.scrim_behind);
         ScrimView scrimInFront = (ScrimView) mStatusBarWindow.findViewById(R.id.scrim_in_front);
         View headsUpScrim = mStatusBarWindow.findViewById(R.id.heads_up_scrim);
         mScrimController = SystemUIFactory.getInstance().createScrimController(
-                scrimBehind, scrimInFront, headsUpScrim);
+                scrimBehind, scrimInFront, headsUpScrim, mLockscreenWallpaper);
         if (mScrimSrcModeEnabled) {
             Runnable runnable = new Runnable() {
                 @Override
@@ -822,10 +826,6 @@
                 mKeyguardBottomArea.getLockIcon());
         mKeyguardBottomArea.setKeyguardIndicationController(mKeyguardIndicationController);
 
-        if (ENABLE_LOCKSCREEN_WALLPAPER) {
-            mLockscreenWallpaper = new LockscreenWallpaper(mContext, this, mHandler);
-        }
-
         // set the initial view visibility
         setAreThereNotifications();
 
@@ -3513,6 +3513,7 @@
         setControllerUsers();
         clearCurrentMediaNotification();
         mLockscreenWallpaper.setCurrentUser(newUserId);
+        mScrimController.setCurrentUser(newUserId);
         updateMediaMetaData(true, false);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
index 011ec22..ca7f905 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QSTileHost.java
@@ -60,7 +60,6 @@
 import com.android.systemui.statusbar.policy.BluetoothController;
 import com.android.systemui.statusbar.policy.CastController;
 import com.android.systemui.statusbar.policy.NextAlarmController;
-import com.android.systemui.statusbar.policy.NightModeController;
 import com.android.systemui.statusbar.policy.FlashlightController;
 import com.android.systemui.statusbar.policy.HotspotController;
 import com.android.systemui.statusbar.policy.KeyguardMonitor;
@@ -71,7 +70,6 @@
 import com.android.systemui.statusbar.policy.UserInfoController;
 import com.android.systemui.statusbar.policy.UserSwitcherController;
 import com.android.systemui.statusbar.policy.ZenModeController;
-import com.android.systemui.tuner.NightModeTile;
 import com.android.systemui.tuner.TunerService;
 import com.android.systemui.tuner.TunerService.Tunable;
 
@@ -111,7 +109,6 @@
     private final TileServices mServices;
 
     private final List<Callback> mCallbacks = new ArrayList<>();
-    private final NightModeController mNightModeController;
     private final AutoTileManager mAutoTiles;
     private final ManagedProfileController mProfileController;
     private final NextAlarmController mNextAlarmController;
@@ -144,7 +141,6 @@
         mBattery = battery;
         mIconController = iconController;
         mNextAlarmController = nextAlarmController;
-        mNightModeController = new NightModeController(mContext, true);
         mProfileController = new ManagedProfileController(this);
 
         final HandlerThread ht = new HandlerThread(QSTileHost.class.getSimpleName(),
@@ -308,10 +304,6 @@
         return mIconController;
     }
 
-    public NightModeController getNightModeController() {
-        return mNightModeController;
-    }
-
     public ManagedProfileController getManagedProfileController() {
         return mProfileController;
     }
@@ -448,8 +440,6 @@
         else if (tileSpec.equals("user")) return new UserTile(this);
         else if (tileSpec.equals("battery")) return new BatteryTile(this);
         else if (tileSpec.equals("saver")) return new DataSaverTile(this);
-        else if (tileSpec.equals(NightModeTile.NIGHT_MODE_SPEC))
-            return new NightModeTile(this);
         // Intent tiles.
         else if (tileSpec.startsWith(IntentTile.PREFIX)) return IntentTile.create(this,tileSpec);
         else if (tileSpec.startsWith(CustomTile.PREFIX)) return CustomTile.create(this,tileSpec);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
index 135c294..8b87a7f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
@@ -30,6 +30,7 @@
 import android.view.animation.Interpolator;
 import android.view.animation.PathInterpolator;
 
+import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
 import com.android.systemui.statusbar.NotificationData;
@@ -46,10 +47,13 @@
     public static final long ANIMATION_DURATION = 220;
     public static final Interpolator KEYGUARD_FADE_OUT_INTERPOLATOR
             = new PathInterpolator(0f, 0, 0.7f, 1f);
+    public static final Interpolator KEYGUARD_FADE_OUT_INTERPOLATOR_LOCKED
+            = new PathInterpolator(0.3f, 0f, 0.8f, 1f);
     private static final float SCRIM_BEHIND_ALPHA = 0.62f;
-    private static final float SCRIM_BEHIND_ALPHA_KEYGUARD = 0.45f;
-    private static final float SCRIM_BEHIND_ALPHA_UNLOCKING = 0.2f;
+    protected static final float SCRIM_BEHIND_ALPHA_KEYGUARD = 0.45f;
+    protected static final float SCRIM_BEHIND_ALPHA_UNLOCKING = 0.2f;
     private static final float SCRIM_IN_FRONT_ALPHA = 0.75f;
+    private static final float SCRIM_IN_FRONT_ALPHA_LOCKED = 0.85f;
     private static final int TAG_KEY_ANIM = R.id.scrim;
     private static final int TAG_KEY_ANIM_TARGET = R.id.scrim_target;
     private static final int TAG_START_ALPHA = R.id.scrim_alpha_start;
@@ -59,6 +63,7 @@
     private final ScrimView mScrimInFront;
     private final UnlockMethodCache mUnlockMethodCache;
     private final View mHeadsUpScrim;
+    private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
 
     private float mScrimBehindAlpha = SCRIM_BEHIND_ALPHA;
     private float mScrimBehindAlphaKeyguard = SCRIM_BEHIND_ALPHA_KEYGUARD;
@@ -99,6 +104,7 @@
         mHeadsUpScrim = headsUpScrim;
         final Context context = scrimBehind.getContext();
         mUnlockMethodCache = UnlockMethodCache.getInstance(context);
+        mKeyguardUpdateMonitor = KeyguardUpdateMonitor.getInstance(context);
         updateHeadsUpScrim(false);
     }
 
@@ -120,6 +126,13 @@
         scheduleUpdate();
     }
 
+    protected void setScrimBehindValues(float scrimBehindAlphaKeyguard,
+            float scrimBehindAlphaUnlocking) {
+        mScrimBehindAlphaKeyguard = scrimBehindAlphaKeyguard;
+        mScrimBehindAlphaUnlocking = scrimBehindAlphaUnlocking;
+        scheduleUpdate();
+    }
+
     public void onTrackingStarted() {
         mExpanding = true;
         mDarkenWhileDragging = !mUnlockMethodCache.canSkipBouncer();
@@ -162,11 +175,19 @@
         mAnimateChange = true;
         mSkipFirstFrame = skipFirstFrame;
         mOnAnimationFinished = onAnimationFinished;
-        scheduleUpdate();
 
-        // No need to wait for the next frame to be drawn for this case - onPreDraw will execute
-        // the changes we just scheduled.
-        onPreDraw();
+        if (mKeyguardUpdateMonitor.isUserUnlocked()) {
+            scheduleUpdate();
+
+            // No need to wait for the next frame to be drawn for this case - onPreDraw will execute
+            // the changes we just scheduled.
+            onPreDraw();
+        } else {
+
+            // In case the user isn't unlocked, make sure to delay a bit because the system is hosed
+            // with too many things in this case, in order to not skip the initial frames.
+            mScrimInFront.postOnAnimationDelayed(this::scheduleUpdate, 16);
+        }
     }
 
     public void abortKeyguardFadingOut() {
@@ -211,6 +232,11 @@
         return mDozeInFrontAlpha;
     }
 
+    private float getScrimInFrontAlpha() {
+        return mKeyguardUpdateMonitor.isUserUnlocked()
+                ? SCRIM_IN_FRONT_ALPHA
+                : SCRIM_IN_FRONT_ALPHA_LOCKED;
+    }
     private void scheduleUpdate() {
         if (mUpdatePending) return;
 
@@ -250,10 +276,10 @@
             float fraction = 1 - behindFraction;
             fraction = (float) Math.pow(fraction, 0.8f);
             behindFraction = (float) Math.pow(behindFraction, 0.8f);
-            setScrimInFrontColor(fraction * SCRIM_IN_FRONT_ALPHA);
+            setScrimInFrontColor(fraction * getScrimInFrontAlpha());
             setScrimBehindColor(behindFraction * mScrimBehindAlphaKeyguard);
         } else if (mBouncerShowing) {
-            setScrimInFrontColor(SCRIM_IN_FRONT_ALPHA);
+            setScrimInFrontColor(getScrimInFrontAlpha());
             setScrimBehindColor(0f);
         } else {
             float fraction = Math.max(0, Math.min(mFraction, 1));
@@ -371,7 +397,13 @@
     }
 
     private Interpolator getInterpolator() {
-        return mAnimateKeyguardFadingOut ? KEYGUARD_FADE_OUT_INTERPOLATOR : mInterpolator;
+        if (mAnimateKeyguardFadingOut && !mKeyguardUpdateMonitor.isUserUnlocked()) {
+            return KEYGUARD_FADE_OUT_INTERPOLATOR_LOCKED;
+        } else if (mAnimateKeyguardFadingOut) {
+            return KEYGUARD_FADE_OUT_INTERPOLATOR;
+        } else {
+            return mInterpolator;
+        }
     }
 
     @Override
@@ -542,4 +574,8 @@
                 R.dimen.heads_up_scrim_height);
         mHeadsUpScrim.setLayoutParams(layoutParams);
     }
+
+    public void setCurrentUser(int currentUser) {
+        // Don't care in the base class.
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
index 8d0d9cb..3691a42 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java
@@ -53,6 +53,11 @@
 
     private static final long WAKE_AND_UNLOCK_SCRIM_FADEOUT_DURATION_MS = 200;
 
+    // Duration of the Keyguard dismissal animation in case the user is currently locked. This is to
+    // make everything a bit slower to bridge a gap until the user is unlocked and home screen has
+    // dranw its first frame.
+    private static final long KEYGUARD_DISMISS_DURATION_LOCKED = 2000;
+
     private static String TAG = "StatusBarKeyguardViewManager";
 
     protected final Context mContext;
@@ -274,9 +279,12 @@
     /**
      * Hides the keyguard view
      */
-    public void hide(long startTime, final long fadeoutDuration) {
+    public void hide(long startTime, long fadeoutDuration) {
         mShowing = false;
 
+        if (!KeyguardUpdateMonitor.getInstance(mContext).isUserUnlocked()) {
+            fadeoutDuration = KEYGUARD_DISMISS_DURATION_LOCKED;
+        }
         long uptimeMillis = SystemClock.uptimeMillis();
         long delay = Math.max(0, startTime + HIDE_TIMING_CORRECTION_MS - uptimeMillis);
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NightModeController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/NightModeController.java
deleted file mode 100644
index 4611ef9..0000000
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/NightModeController.java
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-
-package com.android.systemui.statusbar.policy;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.opengl.Matrix;
-import android.provider.Settings.Secure;
-import android.util.MathUtils;
-import com.android.systemui.tuner.TunerService;
-
-import java.util.ArrayList;
-
-/**
- * Listens for changes to twilight from the TwilightService.
- *
- * Also pushes the current matrix to accessibility based on the current twilight
- * and various tuner settings.
- */
-public class NightModeController implements TunerService.Tunable {
-
-    public static final String NIGHT_MODE_ADJUST_TINT = "tuner_night_mode_adjust_tint";
-    private static final String COLOR_MATRIX_CUSTOM_VALUES = "tuner_color_custom_values";
-
-    private static final String ACTION_TWILIGHT_CHANGED = "android.intent.action.TWILIGHT_CHANGED";
-
-    private static final String EXTRA_IS_NIGHT = "isNight";
-    private static final String EXTRA_AMOUNT = "amount";
-
-    // Night mode ~= 3400 K
-    private static final float[] NIGHT_VALUES = new float[] {
-        1, 0,     0,     0,
-        0, .754f, 0,     0,
-        0, 0,     .516f, 0,
-        0, 0,     0,     1,
-    };
-    public static final float[] IDENTITY_MATRIX = new float[] {
-        1, 0, 0, 0,
-        0, 1, 0, 0,
-        0, 0, 1, 0,
-        0, 0, 0, 1,
-    };
-
-    private final ArrayList<Listener> mListeners = new ArrayList<>();
-
-    private final Context mContext;
-
-    // This is whether or not this is the main NightMode controller in SysUI that should be
-    // updating relevant color matrixes or if its in the tuner process getting current state
-    // for UI.
-    private final boolean mUpdateMatrix;
-
-    private float[] mCustomMatrix;
-    private boolean mListening;
-    private boolean mAdjustTint;
-
-    private boolean mIsNight;
-    private float mAmount;
-    private boolean mIsAuto;
-
-    public NightModeController(Context context) {
-        this(context, false);
-    }
-
-    public NightModeController(Context context, boolean updateMatrix) {
-        mContext = context;
-        mUpdateMatrix = updateMatrix;
-        TunerService.get(mContext).addTunable(this, NIGHT_MODE_ADJUST_TINT,
-                COLOR_MATRIX_CUSTOM_VALUES, Secure.TWILIGHT_MODE);
-    }
-
-    public void setNightMode(boolean isNight) {
-        if (mIsAuto) {
-            if (mIsNight != isNight) {
-                TunerService.get(mContext).setValue(Secure.TWILIGHT_MODE, isNight
-                        ? Secure.TWILIGHT_MODE_AUTO_OVERRIDE_ON
-                        : Secure.TWILIGHT_MODE_AUTO_OVERRIDE_OFF);
-            } else {
-                TunerService.get(mContext).setValue(Secure.TWILIGHT_MODE,
-                        Secure.TWILIGHT_MODE_AUTO);
-            }
-        } else {
-            TunerService.get(mContext).setValue(Secure.TWILIGHT_MODE, isNight
-                    ? Secure.TWILIGHT_MODE_LOCKED_ON : Secure.TWILIGHT_MODE_LOCKED_OFF);
-        }
-    }
-
-    public void setAuto(boolean auto) {
-        mIsAuto = auto;
-        if (auto) {
-            TunerService.get(mContext).setValue(Secure.TWILIGHT_MODE, Secure.TWILIGHT_MODE_AUTO);
-        } else {
-            // Lock into the current state
-            TunerService.get(mContext).setValue(Secure.TWILIGHT_MODE, mIsNight
-                    ? Secure.TWILIGHT_MODE_LOCKED_ON : Secure.TWILIGHT_MODE_LOCKED_OFF);
-        }
-    }
-
-    public boolean isAuto() {
-        return mIsAuto;
-    }
-
-    public void setAdjustTint(Boolean newValue) {
-        TunerService.get(mContext).setValue(NIGHT_MODE_ADJUST_TINT, ((Boolean) newValue) ? 1 : 0);
-    }
-
-    public void addListener(Listener listener) {
-        mListeners.add(listener);
-        listener.onNightModeChanged();
-        updateListening();
-    }
-
-    public void removeListener(Listener listener) {
-        mListeners.remove(listener);
-        updateListening();
-    }
-
-    private void updateListening() {
-        boolean shouldListen = mListeners.size() != 0 || (mUpdateMatrix && mAdjustTint);
-        if (shouldListen == mListening) return;
-        mListening = shouldListen;
-        if (mListening) {
-            mContext.registerReceiver(mReceiver, new IntentFilter(ACTION_TWILIGHT_CHANGED));
-        } else {
-            mContext.unregisterReceiver(mReceiver);
-        }
-    }
-
-    public boolean isEnabled() {
-        if (!mListening) {
-            updateNightMode(mContext.registerReceiver(null,
-                    new IntentFilter(ACTION_TWILIGHT_CHANGED)));
-        }
-        return mIsNight;
-    }
-
-    public String getCustomValues() {
-        return TunerService.get(mContext).getValue(COLOR_MATRIX_CUSTOM_VALUES);
-    }
-
-    public void setCustomValues(String values) {
-        TunerService.get(mContext).setValue(COLOR_MATRIX_CUSTOM_VALUES, values);
-    }
-
-    @Override
-    public void onTuningChanged(String key, String newValue) {
-        if (COLOR_MATRIX_CUSTOM_VALUES.equals(key)) {
-            mCustomMatrix = newValue != null ? toValues(newValue) : null;
-            updateCurrentMatrix();
-        } else if (NIGHT_MODE_ADJUST_TINT.equals(key)) {
-            mAdjustTint = newValue == null || Integer.parseInt(newValue) != 0;
-            updateListening();
-            updateCurrentMatrix();
-        } else if (Secure.TWILIGHT_MODE.equals(key)) {
-            mIsAuto = newValue != null && Integer.parseInt(newValue) >= Secure.TWILIGHT_MODE_AUTO;
-        }
-    }
-
-    private void updateCurrentMatrix() {
-        if (!mUpdateMatrix) return;
-        if ((!mAdjustTint || mAmount == 0) && mCustomMatrix == null) {
-            TunerService.get(mContext).setValue(Secure.ACCESSIBILITY_DISPLAY_COLOR_MATRIX, null);
-            return;
-        }
-        float[] values = scaleValues(IDENTITY_MATRIX, NIGHT_VALUES, mAdjustTint ? mAmount : 0);
-        if (mCustomMatrix != null) {
-            values = multiply(values, mCustomMatrix);
-        }
-        TunerService.get(mContext).setValue(Secure.ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
-                toString(values));
-    }
-
-    private void updateNightMode(Intent intent) {
-        mIsNight = intent != null && intent.getBooleanExtra(EXTRA_IS_NIGHT, false);
-        mAmount = intent != null ? intent.getFloatExtra(EXTRA_AMOUNT, 0) : 0;
-    }
-
-    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            if (ACTION_TWILIGHT_CHANGED.equals(intent.getAction())) {
-                updateNightMode(intent);
-                updateCurrentMatrix();
-                for (int i = 0; i < mListeners.size(); i++) {
-                    mListeners.get(i).onNightModeChanged();
-                }
-            }
-        }
-    };
-
-    public interface Listener {
-        void onNightModeChanged();
-        void onTwilightAutoChanged();
-    }
-
-    private static float[] multiply(float[] matrix, float[] other) {
-        if (matrix == null) {
-            return other;
-        }
-        float[] result = new float[16];
-        Matrix.multiplyMM(result, 0, matrix, 0, other, 0);
-        return result;
-    }
-
-    private float[] scaleValues(float[] identityMatrix, float[] nightValues, float amount) {
-        float[] values = new float[identityMatrix.length];
-        for (int i = 0; i < values.length; i++) {
-            values[i] = MathUtils.lerp(identityMatrix[i], nightValues[i], amount);
-        }
-        return values;
-    }
-
-    public static String toString(float[] values) {
-        StringBuilder builder = new StringBuilder();
-        for (int i = 0; i < values.length; i++) {
-            if (builder.length() != 0) {
-                builder.append(',');
-            }
-            builder.append(values[i]);
-        }
-        return builder.toString();
-    }
-
-    public static float[] toValues(String customValues) {
-        String[] strValues = customValues.split(",");
-        float[] values = new float[strValues.length];
-        for (int i = 0; i < values.length; i++) {
-            values[i] = Float.parseFloat(strValues[i]);
-        }
-        return values;
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/CalibratePreference.java b/packages/SystemUI/src/com/android/systemui/tuner/CalibratePreference.java
deleted file mode 100644
index ff7be13..0000000
--- a/packages/SystemUI/src/com/android/systemui/tuner/CalibratePreference.java
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-
-package com.android.systemui.tuner;
-
-import android.content.Context;
-import android.support.v7.preference.DialogPreference;
-import android.util.AttributeSet;
-
-public class CalibratePreference extends DialogPreference {
-    public CalibratePreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/ColorAndAppearanceFragment.java b/packages/SystemUI/src/com/android/systemui/tuner/ColorAndAppearanceFragment.java
deleted file mode 100644
index af95cf9..0000000
--- a/packages/SystemUI/src/com/android/systemui/tuner/ColorAndAppearanceFragment.java
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-
-package com.android.systemui.tuner;
-
-
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.app.DialogFragment;
-import android.content.DialogInterface;
-import android.os.Bundle;
-import android.provider.Settings;
-import android.provider.Settings.Secure;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v7.preference.Preference;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.widget.SeekBar;
-
-import com.android.internal.logging.MetricsLogger;
-import com.android.internal.logging.MetricsProto.MetricsEvent;
-import com.android.systemui.R;
-import com.android.systemui.statusbar.policy.NightModeController;
-
-public class ColorAndAppearanceFragment extends PreferenceFragment {
-
-    private static final String KEY_CALIBRATE = "calibrate";
-
-    private static final long RESET_DELAY = 10000;
-    private static final CharSequence KEY_NIGHT_MODE = "night_mode";
-
-    private NightModeController mNightModeController;
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        mNightModeController = new NightModeController(getContext());
-    }
-
-    @Override
-    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
-        addPreferencesFromResource(R.xml.color_and_appearance);
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        MetricsLogger.visibility(getContext(), MetricsEvent.TUNER_COLOR_AND_APPEARANCE, true);
-        // TODO: Figure out better title model for Tuner, to avoid any more of this.
-        getActivity().setTitle(R.string.color_and_appearance);
-
-        Preference nightMode = findPreference(KEY_NIGHT_MODE);
-        nightMode.setSummary(mNightModeController.isEnabled()
-                ? R.string.night_mode_on : R.string.night_mode_off);
-    }
-
-    @Override
-    public void onPause() {
-        super.onPause();
-        MetricsLogger.visibility(getContext(), MetricsEvent.TUNER_COLOR_AND_APPEARANCE, false);
-    }
-
-    @Override
-    public void onDisplayPreferenceDialog(Preference preference) {
-        if (preference instanceof CalibratePreference) {
-            CalibrateDialog.show(this);
-        } else {
-            super.onDisplayPreferenceDialog(preference);
-        }
-    }
-
-    private void startRevertTimer() {
-        getView().postDelayed(mResetColorMatrix, RESET_DELAY);
-    }
-
-    private void onApply() {
-        MetricsLogger.action(getContext(), MetricsEvent.ACTION_TUNER_CALIBRATE_DISPLAY_CHANGED);
-        mNightModeController.setCustomValues(Settings.Secure.getString(
-                getContext().getContentResolver(), Secure.ACCESSIBILITY_DISPLAY_COLOR_MATRIX));
-        getView().removeCallbacks(mResetColorMatrix);
-    }
-
-    private void onRevert() {
-        getView().removeCallbacks(mResetColorMatrix);
-        mResetColorMatrix.run();
-    }
-
-    private final Runnable mResetColorMatrix = new Runnable() {
-        @Override
-        public void run() {
-            ((DialogFragment) getFragmentManager().findFragmentByTag("RevertWarning")).dismiss();
-            Settings.Secure.putString(getContext().getContentResolver(),
-                    Settings.Secure.ACCESSIBILITY_DISPLAY_COLOR_MATRIX, null);
-        }
-    };
-
-    public static class CalibrateDialog extends DialogFragment implements
-            DialogInterface.OnClickListener {
-        private float[] mValues;
-        private NightModeController mNightModeController;
-
-        public static void show(ColorAndAppearanceFragment fragment) {
-            CalibrateDialog dialog = new CalibrateDialog();
-            dialog.setTargetFragment(fragment, 0);
-            dialog.show(fragment.getFragmentManager(), "Calibrate");
-        }
-
-        @Override
-        public void onCreate(Bundle savedInstanceState) {
-            super.onCreate(savedInstanceState);
-            mNightModeController = new NightModeController(getContext());
-            String customValues = mNightModeController.getCustomValues();
-            if (customValues == null) {
-                // Generate this as a string because its the easiest way to generate a copy of the
-                // identity.
-                customValues = NightModeController.toString(NightModeController.IDENTITY_MATRIX);
-            }
-            mValues = NightModeController.toValues(customValues);
-        }
-
-        @Override
-        public Dialog onCreateDialog(Bundle savedInstanceState) {
-            View v = LayoutInflater.from(getContext()).inflate(R.layout.calibrate_sliders, null);
-            bindView(v.findViewById(R.id.r_group), 0);
-            bindView(v.findViewById(R.id.g_group), 5);
-            bindView(v.findViewById(R.id.b_group), 10);
-            MetricsLogger.visible(getContext(), MetricsEvent.TUNER_CALIBRATE_DISPLAY);
-            return new AlertDialog.Builder(getContext())
-                    .setTitle(R.string.calibrate_display)
-                    .setView(v)
-                    .setPositiveButton(R.string.color_apply, this)
-                    .setNegativeButton(android.R.string.cancel, null)
-                    .create();
-        }
-
-        @Override
-        public void onDismiss(DialogInterface dialog) {
-            super.onDismiss(dialog);
-            MetricsLogger.hidden(getContext(), MetricsEvent.TUNER_CALIBRATE_DISPLAY);
-        }
-
-        private void bindView(View view, final int index) {
-            SeekBar seekBar = (SeekBar) view.findViewById(com.android.internal.R.id.seekbar);
-            seekBar.setMax(1000);
-            seekBar.setProgress((int) (1000 * mValues[index]));
-            seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
-                @Override
-                public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
-                    mValues[index] = progress / 1000f;
-                }
-
-                @Override
-                public void onStartTrackingTouch(SeekBar seekBar) {
-                }
-
-                @Override
-                public void onStopTrackingTouch(SeekBar seekBar) {
-                }
-            });
-        }
-
-        @Override
-        public void onClick(DialogInterface dialog, int which) {
-            if (mValues[0] == 1 && mValues[5] == 1 && mValues[10] == 1) {
-                // Allow removal of matrix by all values set to highest.
-                mNightModeController.setCustomValues(null);
-                return;
-            }
-            ((ColorAndAppearanceFragment) getTargetFragment()).startRevertTimer();
-            Settings.Secure.putString(getContext().getContentResolver(),
-                    Settings.Secure.ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
-                    NightModeController.toString(mValues));
-            RevertWarning.show((ColorAndAppearanceFragment) getTargetFragment());
-        }
-    }
-
-    public static class RevertWarning extends DialogFragment
-            implements DialogInterface.OnClickListener {
-
-        public static void show(ColorAndAppearanceFragment fragment) {
-            RevertWarning warning = new RevertWarning();
-            warning.setTargetFragment(fragment, 0);
-            warning.show(fragment.getFragmentManager(), "RevertWarning");
-        }
-
-        @Override
-        public Dialog onCreateDialog(Bundle savedInstanceState) {
-            AlertDialog alertDialog = new AlertDialog.Builder(getContext())
-                    .setTitle(R.string.color_revert_title)
-                    .setMessage(R.string.color_revert_message)
-                    .setPositiveButton(R.string.ok, this)
-                    .create();
-            alertDialog.setCanceledOnTouchOutside(true);
-            return alertDialog;
-        }
-
-        @Override
-        public void onCancel(DialogInterface dialog) {
-            super.onCancel(dialog);
-            ((ColorAndAppearanceFragment) getTargetFragment()).onRevert();
-        }
-
-        @Override
-        public void onClick(DialogInterface dialog, int which) {
-            ((ColorAndAppearanceFragment) getTargetFragment()).onApply();
-        }
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/NightModeFragment.java b/packages/SystemUI/src/com/android/systemui/tuner/NightModeFragment.java
deleted file mode 100644
index ae2856c..0000000
--- a/packages/SystemUI/src/com/android/systemui/tuner/NightModeFragment.java
+++ /dev/null
@@ -1,188 +0,0 @@
-/**
- * Copyright (c) 2016, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.systemui.tuner;
-
-import android.annotation.Nullable;
-import android.app.UiModeManager;
-import android.content.Context;
-import android.os.Bundle;
-import android.provider.Settings.Secure;
-import android.support.v14.preference.PreferenceFragment;
-import android.support.v14.preference.SwitchPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.Switch;
-import com.android.internal.logging.MetricsLogger;
-import com.android.internal.logging.MetricsProto.MetricsEvent;
-import com.android.systemui.R;
-import com.android.systemui.statusbar.policy.NightModeController;
-import com.android.systemui.statusbar.policy.NightModeController.Listener;
-import com.android.systemui.tuner.TunerService.Tunable;
-
-public class NightModeFragment extends PreferenceFragment implements Tunable,
-        Listener, OnPreferenceChangeListener {
-
-    private static final String TAG = "NightModeFragment";
-
-    public static final String EXTRA_SHOW_NIGHT_MODE = "show_night_mode";
-
-    private static final CharSequence KEY_AUTO = "auto";
-    private static final CharSequence KEY_ADJUST_TINT = "adjust_tint";
-    private static final CharSequence KEY_ADJUST_BRIGHTNESS = "adjust_brightness";
-
-    private Switch mSwitch;
-
-    private NightModeController mNightModeController;
-    private SwitchPreference mAutoSwitch;
-    private SwitchPreference mAdjustTint;
-    private SwitchPreference mAdjustBrightness;
-    private UiModeManager mUiModeManager;
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        mNightModeController = new NightModeController(getContext());
-        mUiModeManager = getContext().getSystemService(UiModeManager.class);
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState) {
-        final View view = LayoutInflater.from(getContext()).inflate(
-                R.layout.night_mode_settings, container, false);
-        ((ViewGroup) view).addView(super.onCreateView(inflater, container, savedInstanceState));
-        return view;
-    }
-
-    @Override
-    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
-        final Context context = getPreferenceManager().getContext();
-
-        addPreferencesFromResource(R.xml.night_mode);
-        mAutoSwitch = (SwitchPreference) findPreference(KEY_AUTO);
-        mAutoSwitch.setOnPreferenceChangeListener(this);
-        mAdjustTint = (SwitchPreference) findPreference(KEY_ADJUST_TINT);
-        mAdjustTint.setOnPreferenceChangeListener(this);
-        mAdjustBrightness = (SwitchPreference) findPreference(KEY_ADJUST_BRIGHTNESS);
-        mAdjustBrightness.setOnPreferenceChangeListener(this);
-    }
-
-    @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-        View switchBar = view.findViewById(R.id.switch_bar);
-        mSwitch = (Switch) switchBar.findViewById(android.R.id.switch_widget);
-        mSwitch.setChecked(mNightModeController.isEnabled());
-        switchBar.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                boolean newState = !mNightModeController.isEnabled();
-                MetricsLogger.action(getContext(), MetricsEvent.ACTION_TUNER_NIGHT_MODE, newState);
-                mNightModeController.setNightMode(newState);
-                mSwitch.setChecked(newState);
-            }
-        });
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        MetricsLogger.visibility(getContext(), MetricsEvent.TUNER_NIGHT_MODE, true);
-        mNightModeController.addListener(this);
-        TunerService.get(getContext()).addTunable(this, Secure.BRIGHTNESS_USE_TWILIGHT,
-                NightModeController.NIGHT_MODE_ADJUST_TINT);
-        calculateDisabled();
-    }
-
-    @Override
-    public void onPause() {
-        super.onPause();
-        MetricsLogger.visibility(getContext(), MetricsEvent.TUNER_NIGHT_MODE, false);
-        mNightModeController.removeListener(this);
-        TunerService.get(getContext()).removeTunable(this);
-    }
-
-    @Override
-    public boolean onPreferenceChange(Preference preference, Object newValue) {
-        final Boolean value = (Boolean) newValue;
-        if (mAutoSwitch == preference) {
-            MetricsLogger.action(getContext(), MetricsEvent.ACTION_TUNER_NIGHT_MODE_AUTO, value);
-            mNightModeController.setAuto(value);
-        } else if (mAdjustTint == preference) {
-            MetricsLogger.action(getContext(),
-                    MetricsEvent.ACTION_TUNER_NIGHT_MODE_ADJUST_TINT, value);
-            mNightModeController.setAdjustTint(value);
-            postCalculateDisabled();
-        } else if (mAdjustBrightness == preference) {
-            MetricsLogger.action(getContext(),
-                    MetricsEvent.ACTION_TUNER_NIGHT_MODE_ADJUST_BRIGHTNESS, value);
-            TunerService.get(getContext()).setValue(Secure.BRIGHTNESS_USE_TWILIGHT,
-                    value ? 1 : 0);
-            postCalculateDisabled();
-        } else {
-            return false;
-        }
-        return true;
-    }
-
-    private void postCalculateDisabled() {
-        // Post this because its the easiest way to wait for all state to be calculated.
-        getView().post(new Runnable() {
-            @Override
-            public void run() {
-                calculateDisabled();
-            }
-        });
-    }
-
-    private void calculateDisabled() {
-        int enabledCount = (mAdjustTint.isChecked() ? 1 : 0)
-                + (mAdjustBrightness.isChecked() ? 1 : 0);
-        if (enabledCount == 1) {
-            if (mAdjustTint.isChecked()) {
-                mAdjustTint.setEnabled(false);
-            } else {
-                mAdjustBrightness.setEnabled(false);
-            }
-        } else {
-            mAdjustTint.setEnabled(true);
-            mAdjustBrightness.setEnabled(true);
-        }
-    }
-
-    @Override
-    public void onTuningChanged(String key, String newValue) {
-        if (Secure.BRIGHTNESS_USE_TWILIGHT.equals(key)) {
-            mAdjustBrightness.setChecked(newValue != null && Integer.parseInt(newValue) != 0);
-        } else if (NightModeController.NIGHT_MODE_ADJUST_TINT.equals(key)) {
-            // Default on.
-            mAdjustTint.setChecked(newValue == null || Integer.parseInt(newValue) != 0);
-        }
-    }
-
-    @Override
-    public void onNightModeChanged() {
-        mSwitch.setChecked(mNightModeController.isEnabled());
-    }
-
-    @Override
-    public void onTwilightAutoChanged() {
-        mAutoSwitch.setChecked(mNightModeController.isAuto());
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java b/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java
deleted file mode 100644
index fe44502..0000000
--- a/packages/SystemUI/src/com/android/systemui/tuner/NightModeTile.java
+++ /dev/null
@@ -1,107 +0,0 @@
-/**
- * Copyright (c) 2016, The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.systemui.tuner;
-
-import android.content.Intent;
-import com.android.internal.logging.MetricsProto.MetricsEvent;
-import com.android.systemui.Prefs;
-import com.android.systemui.Prefs.Key;
-import com.android.systemui.R;
-import com.android.systemui.qs.QSTile;
-import com.android.systemui.statusbar.policy.NightModeController;
-
-
-public class NightModeTile extends QSTile<QSTile.State> implements NightModeController.Listener {
-
-    public static final String NIGHT_MODE_SPEC = "night";
-
-    private final NightModeController mNightModeController;
-
-    private int mIndex;
-    private String mCurrentValue;
-
-    private boolean mCustomEnabled;
-    private String[] mValues;
-    private CharSequence[] mValueTitles;
-
-    public NightModeTile(Host host) {
-        super(host);
-        mNightModeController = host.getNightModeController();
-    }
-
-    @Override
-    public boolean isAvailable() {
-        return Prefs.getBoolean(mContext, Key.QS_NIGHT_ADDED, false)
-                && TunerService.isTunerEnabled(mContext);
-    }
-
-    @Override
-    public void setListening(boolean listening) {
-        if (listening) {
-            mNightModeController.addListener(this);
-            refreshState();
-        } else {
-            mNightModeController.removeListener(this);
-        }
-    }
-
-    @Override
-    public State newTileState() {
-        return new State();
-    }
-
-    @Override
-    public Intent getLongClickIntent() {
-        return new Intent(mContext, TunerActivity.class)
-                .putExtra(NightModeFragment.EXTRA_SHOW_NIGHT_MODE, true);
-    }
-
-    @Override
-    protected void handleClick() {
-        mNightModeController.setNightMode(!mNightModeController.isEnabled());
-        refreshState();
-    }
-
-    @Override
-    public CharSequence getTileLabel() {
-        return mContext.getString(R.string.night_mode);
-    }
-
-    @Override
-    protected void handleUpdateState(State state, Object arg) {
-        // TODO: Right now this is just a dropper, needs an actual night icon.
-        boolean enabled = mNightModeController.isEnabled();
-        state.icon = ResourceIcon.get(enabled ? R.drawable.ic_night_mode
-                : R.drawable.ic_night_mode_disabled);
-        state.label = mContext.getString(R.string.night_mode);
-        state.contentDescription = mContext.getString(R.string.night_mode);
-    }
-
-    @Override
-    public void onNightModeChanged() {
-        refreshState();
-    }
-
-    @Override
-    public void onTwilightAutoChanged() {
-        // Don't care.
-    }
-
-    @Override
-    public int getMetricsCategory() {
-        return MetricsEvent.QS_COLOR_MATRIX;
-    }
-}
diff --git a/packages/SystemUI/src/com/android/systemui/tuner/TunerActivity.java b/packages/SystemUI/src/com/android/systemui/tuner/TunerActivity.java
index 5e5da74..5fe9296 100644
--- a/packages/SystemUI/src/com/android/systemui/tuner/TunerActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/tuner/TunerActivity.java
@@ -39,10 +39,7 @@
             final String action = getIntent().getAction();
             boolean showDemoMode = action != null && action.equals(
                     "com.android.settings.action.DEMO_MODE");
-            boolean showNightMode = getIntent().getBooleanExtra(
-                    NightModeFragment.EXTRA_SHOW_NIGHT_MODE, false);
-            final PreferenceFragment fragment = showNightMode ? new NightModeFragment()
-                    : showDemoMode ? new DemoModeFragment()
+            final PreferenceFragment fragment = showDemoMode ? new DemoModeFragment()
                     : new TunerFragment();
             getFragmentManager().beginTransaction().replace(R.id.content_frame,
                     fragment, TAG_TUNER).commit();
diff --git a/proto/src/metrics_constants.proto b/proto/src/metrics_constants.proto
index 1fb9642..45e3e7e 100644
--- a/proto/src/metrics_constants.proto
+++ b/proto/src/metrics_constants.proto
@@ -2367,6 +2367,10 @@
     // ACTION: Settings -> Support -> "Travel Abroad" Button -> Tolled Phone
     ACTION_SUPPORT_DIAL_TOLLED = 487;
 
+    // OPEN: Settings > Display > Night display
+    // CATEGORY: SETTINGS
+    NIGHT_DISPLAY_SETTINGS = 488;
+
     // ---- End N-MR1 Constants, all N-MR1 constants go above this line ----
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index b12a961..985d4a8 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -303,7 +303,7 @@
 
     /**
      * indicates a timeout period is over - check if we had a network yet or not
-     * and if not, call the timeout calback (but leave the request live until they
+     * and if not, call the timeout callback (but leave the request live until they
      * cancel it.
      * includes a NetworkRequestInfo
      */
@@ -380,6 +380,16 @@
      */
     private static final int EVENT_REGISTER_NETWORK_LISTENER_WITH_INTENT = 31;
 
+    /**
+     * Indicates a caller has requested to have its callback invoked with
+     * the latest LinkProperties or NetworkCapabilities.
+     *
+     * arg1 = UID of caller
+     * obj  = NetworkRequest
+     */
+    private static final int EVENT_REQUEST_LINKPROPERTIES  = 32;
+    private static final int EVENT_REQUEST_NETCAPABILITIES = 33;
+
     /** Handler thread used for both of the handlers below. */
     @VisibleForTesting
     protected final HandlerThread mHandlerThread;
@@ -2447,106 +2457,146 @@
         return true;
     }
 
-    private void handleReleaseNetworkRequest(NetworkRequest request, int callingUid) {
-        NetworkRequestInfo nri = mNetworkRequests.get(request);
+    private NetworkRequestInfo getNriForAppRequest(
+            NetworkRequest request, int callingUid, String requestedOperation) {
+        final NetworkRequestInfo nri = mNetworkRequests.get(request);
+
         if (nri != null) {
             if (Process.SYSTEM_UID != callingUid && nri.mUid != callingUid) {
-                if (DBG) log("Attempt to release unowned NetworkRequest " + request);
-                return;
+                log(String.format("UID %d attempted to %s for unowned request %s",
+                        callingUid, requestedOperation, nri));
+                return null;
             }
-            if (VDBG || (DBG && nri.request.isRequest())) log("releasing " + request);
-            nri.unlinkDeathRecipient();
-            mNetworkRequests.remove(request);
-            synchronized (mUidToNetworkRequestCount) {
-                int requests = mUidToNetworkRequestCount.get(nri.mUid, 0);
-                if (requests < 1) {
-                    Slog.wtf(TAG, "BUG: too small request count " + requests + " for UID " +
-                            nri.mUid);
-                } else if (requests == 1) {
-                    mUidToNetworkRequestCount.removeAt(
-                            mUidToNetworkRequestCount.indexOfKey(nri.mUid));
+        }
+
+        return nri;
+    }
+
+    private void handleRequestCallbackUpdate(NetworkRequest request, int callingUid,
+            String description, int callbackType) {
+        final NetworkRequestInfo nri = getNriForAppRequest(request, callingUid, description);
+        if (nri == null) return;
+
+        final NetworkAgentInfo nai = mNetworkForRequestId.get(nri.request.requestId);
+        // The network that is satisfying this request may have changed since
+        // the application requested the update.
+        //
+        // - If the request is no longer satisfied, don't send any updates.
+        // - If the request is satisfied by a different network, it is the
+        //   caller's responsibility to check that the Network object in the
+        //   callback matches the network that was returned in the last
+        //   onAvailable() callback for this request.
+        if (nai == null) return;
+        callCallbackForRequest(nri, nai, callbackType, 0);
+    }
+
+    private void handleRequestLinkProperties(NetworkRequest request, int callingUid) {
+        handleRequestCallbackUpdate(request, callingUid,
+                "request LinkProperties", ConnectivityManager.CALLBACK_IP_CHANGED);
+    }
+
+    private void handleRequestNetworkCapabilities(NetworkRequest request, int callingUid) {
+        handleRequestCallbackUpdate(request, callingUid,
+                "request NetworkCapabilities", ConnectivityManager.CALLBACK_CAP_CHANGED);
+    }
+
+    private void handleReleaseNetworkRequest(NetworkRequest request, int callingUid) {
+        final NetworkRequestInfo nri = getNriForAppRequest(
+                request, callingUid, "release NetworkRequest");
+        if (nri == null) return;
+
+        if (VDBG || (DBG && nri.request.isRequest())) log("releasing " + request);
+        nri.unlinkDeathRecipient();
+        mNetworkRequests.remove(request);
+        synchronized (mUidToNetworkRequestCount) {
+            int requests = mUidToNetworkRequestCount.get(nri.mUid, 0);
+            if (requests < 1) {
+                Slog.wtf(TAG, "BUG: too small request count " + requests + " for UID " +
+                        nri.mUid);
+            } else if (requests == 1) {
+                mUidToNetworkRequestCount.removeAt(
+                        mUidToNetworkRequestCount.indexOfKey(nri.mUid));
+            } else {
+                mUidToNetworkRequestCount.put(nri.mUid, requests - 1);
+            }
+        }
+        mNetworkRequestInfoLogs.log("RELEASE " + nri);
+        if (nri.request.isRequest()) {
+            boolean wasKept = false;
+            NetworkAgentInfo nai = mNetworkForRequestId.get(nri.request.requestId);
+            if (nai != null) {
+                nai.removeRequest(nri.request.requestId);
+                if (VDBG) {
+                    log(" Removing from current network " + nai.name() +
+                            ", leaving " + nai.numNetworkRequests() + " requests.");
+                }
+                // If there are still lingered requests on this network, don't tear it down,
+                // but resume lingering instead.
+                updateLingerState(nai, SystemClock.elapsedRealtime());
+                if (unneeded(nai)) {
+                    if (DBG) log("no live requests for " + nai.name() + "; disconnecting");
+                    teardownUnneededNetwork(nai);
                 } else {
-                    mUidToNetworkRequestCount.put(nri.mUid, requests - 1);
+                    wasKept = true;
+                }
+                mNetworkForRequestId.remove(nri.request.requestId);
+            }
+
+            // TODO: remove this code once we know that the Slog.wtf is never hit.
+            //
+            // Find all networks that are satisfying this request and remove the request
+            // from their request lists.
+            // TODO - it's my understanding that for a request there is only a single
+            // network satisfying it, so this loop is wasteful
+            for (NetworkAgentInfo otherNai : mNetworkAgentInfos.values()) {
+                if (otherNai.isSatisfyingRequest(nri.request.requestId) && otherNai != nai) {
+                    Slog.wtf(TAG, "Request " + nri.request + " satisfied by " +
+                            otherNai.name() + ", but mNetworkAgentInfos says " +
+                            (nai != null ? nai.name() : "null"));
                 }
             }
-            mNetworkRequestInfoLogs.log("RELEASE " + nri);
-            if (nri.request.isRequest()) {
-                boolean wasKept = false;
-                NetworkAgentInfo nai = mNetworkForRequestId.get(nri.request.requestId);
-                if (nai != null) {
-                    nai.removeRequest(nri.request.requestId);
-                    if (VDBG) {
-                        log(" Removing from current network " + nai.name() +
-                                ", leaving " + nai.numNetworkRequests() + " requests.");
-                    }
-                    // If there are still lingered requests on this network, don't tear it down,
-                    // but resume lingering instead.
-                    updateLingerState(nai, SystemClock.elapsedRealtime());
-                    if (unneeded(nai)) {
-                        if (DBG) log("no live requests for " + nai.name() + "; disconnecting");
-                        teardownUnneededNetwork(nai);
-                    } else {
-                        wasKept = true;
-                    }
-                    mNetworkForRequestId.remove(nri.request.requestId);
-                }
 
-                // TODO: remove this code once we know that the Slog.wtf is never hit.
-                //
-                // Find all networks that are satisfying this request and remove the request
-                // from their request lists.
-                // TODO - it's my understanding that for a request there is only a single
-                // network satisfying it, so this loop is wasteful
-                for (NetworkAgentInfo otherNai : mNetworkAgentInfos.values()) {
-                    if (otherNai.isSatisfyingRequest(nri.request.requestId) && otherNai != nai) {
-                        Slog.wtf(TAG, "Request " + nri.request + " satisfied by " +
-                                otherNai.name() + ", but mNetworkAgentInfos says " +
-                                (nai != null ? nai.name() : "null"));
-                    }
-                }
-
-                // Maintain the illusion.  When this request arrived, we might have pretended
-                // that a network connected to serve it, even though the network was already
-                // connected.  Now that this request has gone away, we might have to pretend
-                // that the network disconnected.  LegacyTypeTracker will generate that
-                // phantom disconnect for this type.
-                if (nri.request.legacyType != TYPE_NONE && nai != null) {
-                    boolean doRemove = true;
-                    if (wasKept) {
-                        // check if any of the remaining requests for this network are for the
-                        // same legacy type - if so, don't remove the nai
-                        for (int i = 0; i < nai.numNetworkRequests(); i++) {
-                            NetworkRequest otherRequest = nai.requestAt(i);
-                            if (otherRequest.legacyType == nri.request.legacyType &&
-                                    otherRequest.isRequest()) {
-                                if (DBG) log(" still have other legacy request - leaving");
-                                doRemove = false;
-                            }
+            // Maintain the illusion.  When this request arrived, we might have pretended
+            // that a network connected to serve it, even though the network was already
+            // connected.  Now that this request has gone away, we might have to pretend
+            // that the network disconnected.  LegacyTypeTracker will generate that
+            // phantom disconnect for this type.
+            if (nri.request.legacyType != TYPE_NONE && nai != null) {
+                boolean doRemove = true;
+                if (wasKept) {
+                    // check if any of the remaining requests for this network are for the
+                    // same legacy type - if so, don't remove the nai
+                    for (int i = 0; i < nai.numNetworkRequests(); i++) {
+                        NetworkRequest otherRequest = nai.requestAt(i);
+                        if (otherRequest.legacyType == nri.request.legacyType &&
+                                otherRequest.isRequest()) {
+                            if (DBG) log(" still have other legacy request - leaving");
+                            doRemove = false;
                         }
                     }
-
-                    if (doRemove) {
-                        mLegacyTypeTracker.remove(nri.request.legacyType, nai, false);
-                    }
                 }
 
-                for (NetworkFactoryInfo nfi : mNetworkFactoryInfos.values()) {
-                    nfi.asyncChannel.sendMessage(android.net.NetworkFactory.CMD_CANCEL_REQUEST,
-                            nri.request);
-                }
-            } else {
-                // listens don't have a singular affectedNetwork.  Check all networks to see
-                // if this listen request applies and remove it.
-                for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) {
-                    nai.removeRequest(nri.request.requestId);
-                    if (nri.request.networkCapabilities.hasSignalStrength() &&
-                            nai.satisfiesImmutableCapabilitiesOf(nri.request)) {
-                        updateSignalStrengthThresholds(nai, "RELEASE", nri.request);
-                    }
+                if (doRemove) {
+                    mLegacyTypeTracker.remove(nri.request.legacyType, nai, false);
                 }
             }
-            callCallbackForRequest(nri, null, ConnectivityManager.CALLBACK_RELEASED, 0);
+
+            for (NetworkFactoryInfo nfi : mNetworkFactoryInfos.values()) {
+                nfi.asyncChannel.sendMessage(android.net.NetworkFactory.CMD_CANCEL_REQUEST,
+                        nri.request);
+            }
+        } else {
+            // listens don't have a singular affectedNetwork.  Check all networks to see
+            // if this listen request applies and remove it.
+            for (NetworkAgentInfo nai : mNetworkAgentInfos.values()) {
+                nai.removeRequest(nri.request.requestId);
+                if (nri.request.networkCapabilities.hasSignalStrength() &&
+                        nai.satisfiesImmutableCapabilitiesOf(nri.request)) {
+                    updateSignalStrengthThresholds(nai, "RELEASE", nri.request);
+                }
+            }
         }
+        callCallbackForRequest(nri, null, ConnectivityManager.CALLBACK_RELEASED, 0);
     }
 
     @Override
@@ -2709,6 +2759,12 @@
                     handleMobileDataAlwaysOn();
                     break;
                 }
+                case EVENT_REQUEST_LINKPROPERTIES:
+                    handleRequestLinkProperties((NetworkRequest) msg.obj, msg.arg1);
+                    break;
+                case EVENT_REQUEST_NETCAPABILITIES:
+                    handleRequestNetworkCapabilities((NetworkRequest) msg.obj, msg.arg1);
+                    break;
                 // Sent by KeepaliveTracker to process an app request on the state machine thread.
                 case NetworkAgent.CMD_START_PACKET_KEEPALIVE: {
                     mKeepaliveTracker.handleStartKeepalive(msg);
@@ -4170,10 +4226,26 @@
     }
 
     @Override
+    public void requestLinkProperties(NetworkRequest networkRequest) {
+        ensureNetworkRequestHasType(networkRequest);
+        if (networkRequest.type == NetworkRequest.Type.LISTEN) return;
+        mHandler.sendMessage(mHandler.obtainMessage(
+                EVENT_REQUEST_LINKPROPERTIES, getCallingUid(), 0, networkRequest));
+    }
+
+    @Override
+    public void requestNetworkCapabilities(NetworkRequest networkRequest) {
+        ensureNetworkRequestHasType(networkRequest);
+        if (networkRequest.type == NetworkRequest.Type.LISTEN) return;
+        mHandler.sendMessage(mHandler.obtainMessage(
+                EVENT_REQUEST_NETCAPABILITIES, getCallingUid(), 0, networkRequest));
+    }
+
+    @Override
     public void releaseNetworkRequest(NetworkRequest networkRequest) {
         ensureNetworkRequestHasType(networkRequest);
-        mHandler.sendMessage(mHandler.obtainMessage(EVENT_RELEASE_NETWORK_REQUEST, getCallingUid(),
-                0, networkRequest));
+        mHandler.sendMessage(mHandler.obtainMessage(
+                EVENT_RELEASE_NETWORK_REQUEST, getCallingUid(), 0, networkRequest));
     }
 
     @Override
diff --git a/services/core/java/com/android/server/LockSettingsService.java b/services/core/java/com/android/server/LockSettingsService.java
index 8e0114a..e28fa73 100644
--- a/services/core/java/com/android/server/LockSettingsService.java
+++ b/services/core/java/com/android/server/LockSettingsService.java
@@ -69,6 +69,7 @@
 import android.util.Slog;
 
 import com.android.internal.util.ArrayUtils;
+import com.android.internal.widget.ICheckCredentialProgressCallback;
 import com.android.internal.widget.ILockSettings;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.internal.widget.VerifyCredentialResponse;
@@ -760,7 +761,7 @@
     private void unlockChildProfile(int profileHandle) throws RemoteException {
         try {
             doVerifyPassword(getDecryptedPasswordForTiedProfile(profileHandle), false,
-                    0 /* no challenge */, profileHandle);
+                    0 /* no challenge */, profileHandle, null /* progressCallback */);
         } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException
                 | NoSuchAlgorithmException | NoSuchPaddingException
                 | InvalidAlgorithmParameterException | IllegalBlockSizeException
@@ -947,7 +948,7 @@
             CredentialHash willStore
                 = new CredentialHash(enrolledHandle, CredentialHash.VERSION_GATEKEEPER);
             setUserKeyProtection(userId, pattern,
-                doVerifyPattern(pattern, willStore, true, 0, userId));
+                doVerifyPattern(pattern, willStore, true, 0, userId, null /* progressCallback */));
             mStorage.writePatternHash(enrolledHandle, userId);
             fixateNewestUserKeyAuth(userId);
             onUserLockChanged(userId);
@@ -1007,7 +1008,8 @@
             CredentialHash willStore
                 = new CredentialHash(enrolledHandle, CredentialHash.VERSION_GATEKEEPER);
             setUserKeyProtection(userId, password,
-                doVerifyPassword(password, willStore, true, 0, userId));
+                doVerifyPassword(password, willStore, true, 0, userId,
+                        null /* progressCallback */));
             mStorage.writePasswordHash(enrolledHandle, userId);
             fixateNewestUserKeyAuth(userId);
             onUserLockChanged(userId);
@@ -1205,25 +1207,29 @@
     }
 
     @Override
-    public VerifyCredentialResponse checkPattern(String pattern, int userId) throws RemoteException {
-        return doVerifyPattern(pattern, false, 0, userId);
+    public VerifyCredentialResponse checkPattern(String pattern, int userId,
+            ICheckCredentialProgressCallback progressCallback) throws RemoteException {
+        return doVerifyPattern(pattern, false, 0, userId, progressCallback);
     }
 
     @Override
     public VerifyCredentialResponse verifyPattern(String pattern, long challenge, int userId)
             throws RemoteException {
-        return doVerifyPattern(pattern, true, challenge, userId);
+        return doVerifyPattern(pattern, true, challenge, userId, null /* progressCallback */);
     }
 
     private VerifyCredentialResponse doVerifyPattern(String pattern, boolean hasChallenge,
-            long challenge, int userId) throws RemoteException {
+            long challenge, int userId, ICheckCredentialProgressCallback progressCallback)
+            throws RemoteException {
        checkPasswordReadPermission(userId);
        CredentialHash storedHash = mStorage.readPatternHash(userId);
-       return doVerifyPattern(pattern, storedHash, hasChallenge, challenge, userId);
+       return doVerifyPattern(pattern, storedHash, hasChallenge, challenge, userId,
+               progressCallback);
     }
 
     private VerifyCredentialResponse doVerifyPattern(String pattern, CredentialHash storedHash,
-            boolean hasChallenge, long challenge, int userId) throws RemoteException {
+            boolean hasChallenge, long challenge, int userId,
+            ICheckCredentialProgressCallback progressCallback) throws RemoteException {
        boolean shouldReEnrollBaseZero = storedHash != null && storedHash.isBaseZeroPattern;
 
        String patternToVerify;
@@ -1252,7 +1258,8 @@
                    public String adjustForKeystore(String pattern) {
                        return LockPatternUtils.patternStringToBaseZero(pattern);
                    }
-               }
+               },
+               progressCallback
        );
 
        if (response.getResponseCode() == VerifyCredentialResponse.RESPONSE_OK
@@ -1264,15 +1271,15 @@
     }
 
     @Override
-    public VerifyCredentialResponse checkPassword(String password, int userId)
-            throws RemoteException {
-        return doVerifyPassword(password, false, 0, userId);
+    public VerifyCredentialResponse checkPassword(String password, int userId,
+            ICheckCredentialProgressCallback progressCallback) throws RemoteException {
+        return doVerifyPassword(password, false, 0, userId, progressCallback);
     }
 
     @Override
     public VerifyCredentialResponse verifyPassword(String password, long challenge, int userId)
             throws RemoteException {
-        return doVerifyPassword(password, true, challenge, userId);
+        return doVerifyPassword(password, true, challenge, userId, null /* progressCallback */);
     }
 
     @Override
@@ -1285,8 +1292,10 @@
         final int parentProfileId = mUserManager.getProfileParent(userId).id;
         // Unlock parent by using parent's challenge
         final VerifyCredentialResponse parentResponse = isPattern
-                ? doVerifyPattern(password, true, challenge, parentProfileId)
-                : doVerifyPassword(password, true, challenge, parentProfileId);
+                ? doVerifyPattern(password, true, challenge, parentProfileId,
+                        null /* progressCallback */)
+                : doVerifyPassword(password, true, challenge, parentProfileId,
+                        null /* progressCallback */);
         if (parentResponse.getResponseCode() != VerifyCredentialResponse.RESPONSE_OK) {
             // Failed, just return parent's response
             return parentResponse;
@@ -1296,7 +1305,7 @@
             // Unlock work profile, and work profile with unified lock must use password only
             return doVerifyPassword(getDecryptedPasswordForTiedProfile(userId), true,
                     challenge,
-                    userId);
+                    userId, null /* progressCallback */);
         } catch (UnrecoverableKeyException | InvalidKeyException | KeyStoreException
                 | NoSuchAlgorithmException | NoSuchPaddingException
                 | InvalidAlgorithmParameterException | IllegalBlockSizeException
@@ -1307,14 +1316,17 @@
     }
 
     private VerifyCredentialResponse doVerifyPassword(String password, boolean hasChallenge,
-            long challenge, int userId) throws RemoteException {
+            long challenge, int userId, ICheckCredentialProgressCallback progressCallback)
+            throws RemoteException {
        checkPasswordReadPermission(userId);
        CredentialHash storedHash = mStorage.readPasswordHash(userId);
-       return doVerifyPassword(password, storedHash, hasChallenge, challenge, userId);
+       return doVerifyPassword(password, storedHash, hasChallenge, challenge, userId,
+               progressCallback);
     }
 
     private VerifyCredentialResponse doVerifyPassword(String password, CredentialHash storedHash,
-            boolean hasChallenge, long challenge, int userId) throws RemoteException {
+            boolean hasChallenge, long challenge, int userId,
+            ICheckCredentialProgressCallback progressCallback) throws RemoteException {
        return verifyCredential(userId, storedHash, password, hasChallenge, challenge,
                new CredentialUtil() {
                    @Override
@@ -1332,12 +1344,12 @@
                    public String adjustForKeystore(String password) {
                        return password;
                    }
-               }
-       );
+               }, progressCallback);
     }
 
     private VerifyCredentialResponse verifyCredential(int userId, CredentialHash storedHash,
-            String credential, boolean hasChallenge, long challenge, CredentialUtil credentialUtil)
+            String credential, boolean hasChallenge, long challenge, CredentialUtil credentialUtil,
+            ICheckCredentialProgressCallback progressCallback)
                 throws RemoteException {
         if ((storedHash == null || storedHash.hash.length == 0) && TextUtils.isEmpty(credential)) {
             // don't need to pass empty credentials to GateKeeper
@@ -1394,7 +1406,13 @@
         }
 
         if (response.getResponseCode() == VerifyCredentialResponse.RESPONSE_OK) {
+
+
             // credential has matched
+
+            if (progressCallback != null) {
+                progressCallback.onCredentialVerified();
+            }
             unlockKeystore(credential, userId);
 
             Slog.i(TAG, "Unlocking user " + userId +
@@ -1450,7 +1468,7 @@
 
         try {
             if (mLockPatternUtils.isLockPatternEnabled(userId)) {
-                if (checkPattern(password, userId).getResponseCode()
+                if (checkPattern(password, userId, null /* progressCallback */).getResponseCode()
                         == GateKeeperResponse.RESPONSE_OK) {
                     return true;
                 }
@@ -1460,7 +1478,7 @@
 
         try {
             if (mLockPatternUtils.isLockPasswordEnabled(userId)) {
-                if (checkPassword(password, userId).getResponseCode()
+                if (checkPassword(password, userId, null /* progressCallback */).getResponseCode()
                         == GateKeeperResponse.RESPONSE_OK) {
                     return true;
                 }
diff --git a/services/core/java/com/android/server/display/NightDisplayService.java b/services/core/java/com/android/server/display/NightDisplayService.java
new file mode 100644
index 0000000..27abd1e
--- /dev/null
+++ b/services/core/java/com/android/server/display/NightDisplayService.java
@@ -0,0 +1,362 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.display;
+
+import android.app.AlarmManager;
+import android.content.BroadcastReceiver;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.UserHandle;
+import android.provider.Settings.Secure;
+import android.util.Slog;
+
+import com.android.internal.app.NightDisplayController;
+import com.android.server.SystemService;
+import com.android.server.twilight.TwilightListener;
+import com.android.server.twilight.TwilightManager;
+import com.android.server.twilight.TwilightState;
+
+import java.util.Calendar;
+import java.util.TimeZone;
+
+/**
+ * Tints the display at night.
+ */
+public final class NightDisplayService extends SystemService
+        implements NightDisplayController.Callback {
+
+    private static final String TAG = "NightDisplayService";
+    private static final boolean DEBUG = false;
+
+    /**
+     * Night mode ~= 3400 K.
+     */
+    private static final String MATRIX_NIGHT = "1,0,0,0,0,.754,0,0,0,0,.516,0,0,0,0,1";
+
+    private int mCurrentUser = UserHandle.USER_NULL;
+    private boolean mBootCompleted;
+
+    private NightDisplayController mController;
+    private Boolean mIsActivated;
+    private AutoMode mAutoMode;
+
+    public NightDisplayService(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void onStart() {
+        // Nothing to publish.
+    }
+
+    @Override
+    public void onStartUser(int userHandle) {
+        super.onStartUser(userHandle);
+
+        // Register listeners for the new user.
+        if (mCurrentUser == UserHandle.USER_NULL) {
+            mCurrentUser = userHandle;
+            if (mBootCompleted) {
+                setUpNightMode();
+            }
+        }
+    }
+
+    @Override
+    public void onSwitchUser(int userHandle) {
+        super.onSwitchUser(userHandle);
+
+        // Unregister listeners for the old user.
+        if (mBootCompleted && mCurrentUser != UserHandle.USER_NULL) {
+            tearDownNightMode();
+        }
+
+        // Register listeners for the new user.
+        mCurrentUser = userHandle;
+        if (mBootCompleted) {
+            setUpNightMode();
+        }
+    }
+
+    @Override
+    public void onStopUser(int userHandle) {
+        super.onStopUser(userHandle);
+
+        // Unregister listeners for the old user.
+        if (mCurrentUser == userHandle) {
+            if (mBootCompleted) {
+                tearDownNightMode();
+            }
+            mCurrentUser = UserHandle.USER_NULL;
+        }
+    }
+
+    @Override
+    public void onBootPhase(int phase) {
+        if (phase == PHASE_BOOT_COMPLETED) {
+            mBootCompleted = true;
+
+            // Register listeners now that boot is complete.
+            if (mCurrentUser != UserHandle.USER_NULL) {
+                setUpNightMode();
+            }
+        }
+    }
+
+    private void setUpNightMode() {
+        // Create a new controller for the current user and start listening for changes.
+        mController = new NightDisplayController(getContext(), mCurrentUser);
+        mController.setListener(this);
+
+        // Initialize the current auto mode.
+        onAutoModeChanged(mController.getAutoMode());
+
+        // Force the initialization current activated state.
+        if (mIsActivated == null) {
+            onActivated(mController.isActivated());
+        }
+    }
+
+    private void tearDownNightMode() {
+        mController.setListener(null);
+
+        if (mAutoMode != null) {
+            mAutoMode.onStop();
+            mAutoMode = null;
+        }
+
+        mIsActivated = null;
+        mController = null;
+    }
+
+    @Override
+    public void onActivated(boolean activated) {
+        if (mIsActivated == null || mIsActivated != activated) {
+            Slog.i(TAG, activated ? "Turning on night display" : "Turning off night display");
+
+            mIsActivated = activated;
+
+            if (mAutoMode != null) {
+                mAutoMode.onActivated(activated);
+            }
+
+            // Update the current color matrix.
+            final ContentResolver cr = getContext().getContentResolver();
+            Secure.putStringForUser(cr, Secure.ACCESSIBILITY_DISPLAY_COLOR_MATRIX,
+                    activated ? MATRIX_NIGHT : null, mCurrentUser);
+        }
+    }
+
+    @Override
+    public void onAutoModeChanged(int autoMode) {
+        if (mAutoMode != null) {
+            mAutoMode.onStop();
+            mAutoMode = null;
+        }
+
+        if (autoMode == NightDisplayController.AUTO_MODE_CUSTOM) {
+            mAutoMode = new CustomAutoMode();
+        } else if (autoMode == NightDisplayController.AUTO_MODE_TWILIGHT) {
+            mAutoMode = new TwilightAutoMode();
+        }
+
+        if (mAutoMode != null) {
+            mAutoMode.onStart();
+        }
+    }
+
+    @Override
+    public void onCustomStartTimeChanged(NightDisplayController.LocalTime startTime) {
+        if (mAutoMode != null) {
+            mAutoMode.onCustomStartTimeChanged(startTime);
+        }
+    }
+
+    @Override
+    public void onCustomEndTimeChanged(NightDisplayController.LocalTime endTime) {
+        if (mAutoMode != null) {
+            mAutoMode.onCustomEndTimeChanged(endTime);
+        }
+    }
+
+    private abstract class AutoMode implements NightDisplayController.Callback {
+        public abstract void onStart();
+        public abstract void onStop();
+    }
+
+    private class CustomAutoMode extends AutoMode implements AlarmManager.OnAlarmListener {
+
+        private final AlarmManager mAlarmManager;
+        private final BroadcastReceiver mTimeChangedReceiver;
+
+        private NightDisplayController.LocalTime mStartTime;
+        private NightDisplayController.LocalTime mEndTime;
+
+        private Calendar mLastActivatedTime;
+
+        public CustomAutoMode() {
+            mAlarmManager = (AlarmManager) getContext().getSystemService(Context.ALARM_SERVICE);
+            mTimeChangedReceiver = new BroadcastReceiver() {
+                @Override
+                public void onReceive(Context context, Intent intent) {
+                    updateActivated();
+                }
+            };
+        }
+
+        private void updateActivated() {
+            final Calendar now = Calendar.getInstance();
+            final Calendar startTime = mStartTime.getDateTimeBefore(now);
+            final Calendar endTime = mEndTime.getDateTimeAfter(startTime);
+            final boolean activated = now.before(endTime);
+
+            boolean setActivated = mIsActivated == null || mLastActivatedTime == null;
+            if (!setActivated && mIsActivated != activated) {
+                final TimeZone currentTimeZone = now.getTimeZone();
+                if (!currentTimeZone.equals(mLastActivatedTime.getTimeZone())) {
+                    final int year = mLastActivatedTime.get(Calendar.YEAR);
+                    final int dayOfYear = mLastActivatedTime.get(Calendar.DAY_OF_YEAR);
+                    final int hourOfDay = mLastActivatedTime.get(Calendar.HOUR_OF_DAY);
+                    final int minute = mLastActivatedTime.get(Calendar.MINUTE);
+
+                    mLastActivatedTime.setTimeZone(currentTimeZone);
+                    mLastActivatedTime.set(Calendar.YEAR, year);
+                    mLastActivatedTime.set(Calendar.DAY_OF_YEAR, dayOfYear);
+                    mLastActivatedTime.set(Calendar.HOUR_OF_DAY, hourOfDay);
+                    mLastActivatedTime.set(Calendar.MINUTE, minute);
+                }
+
+                if (mIsActivated) {
+                    setActivated = now.before(mStartTime.getDateTimeBefore(mLastActivatedTime))
+                            || now.after(mEndTime.getDateTimeAfter(mLastActivatedTime));
+                } else {
+                    setActivated = now.before(mEndTime.getDateTimeBefore(mLastActivatedTime))
+                            || now.after(mStartTime.getDateTimeAfter(mLastActivatedTime));
+                }
+            }
+
+            if (setActivated) {
+                mController.setActivated(activated);
+            }
+            updateNextAlarm();
+        }
+
+        private void updateNextAlarm() {
+            if (mIsActivated != null) {
+                final Calendar now = Calendar.getInstance();
+                final Calendar next = mIsActivated ? mEndTime.getDateTimeAfter(now)
+                        : mStartTime.getDateTimeAfter(now);
+                mAlarmManager.setExact(AlarmManager.RTC, next.getTimeInMillis(), TAG, this, null);
+            }
+        }
+
+        @Override
+        public void onStart() {
+            final IntentFilter intentFilter = new IntentFilter(Intent.ACTION_TIME_CHANGED);
+            intentFilter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
+            getContext().registerReceiver(mTimeChangedReceiver, intentFilter);
+
+            mStartTime = mController.getCustomStartTime();
+            mEndTime = mController.getCustomEndTime();
+
+            // Force an update to initialize state.
+            updateActivated();
+        }
+
+        @Override
+        public void onStop() {
+            getContext().unregisterReceiver(mTimeChangedReceiver);
+
+            mAlarmManager.cancel(this);
+            mLastActivatedTime = null;
+        }
+
+        @Override
+        public void onActivated(boolean activated) {
+            mLastActivatedTime = Calendar.getInstance();
+            updateNextAlarm();
+        }
+
+        @Override
+        public void onCustomStartTimeChanged(NightDisplayController.LocalTime startTime) {
+            mStartTime = startTime;
+            mLastActivatedTime = null;
+            updateActivated();
+        }
+
+        @Override
+        public void onCustomEndTimeChanged(NightDisplayController.LocalTime endTime) {
+            mEndTime = endTime;
+            mLastActivatedTime = null;
+            updateActivated();
+        }
+
+        @Override
+        public void onAlarm() {
+            if (DEBUG) Slog.d(TAG, "onAlarm");
+            updateActivated();
+        }
+    }
+
+    private class TwilightAutoMode extends AutoMode implements TwilightListener {
+
+        private final TwilightManager mTwilightManager;
+        private final Handler mHandler;
+
+        private boolean mIsNight;
+
+        public TwilightAutoMode() {
+            mTwilightManager = getLocalService(TwilightManager.class);
+            mHandler = new Handler(Looper.getMainLooper());
+        }
+
+        private void updateActivated() {
+            final TwilightState state = mTwilightManager.getCurrentState();
+            final boolean isNight = state != null && state.isNight();
+            if (mIsNight != isNight) {
+                mIsNight = isNight;
+
+                if (mIsActivated == null || mIsActivated != isNight) {
+                    mController.setActivated(isNight);
+                }
+            }
+        }
+
+        @Override
+        public void onStart() {
+            mTwilightManager.registerListener(this, mHandler);
+
+            // Force an update to initialize state.
+            updateActivated();
+        }
+
+        @Override
+        public void onStop() {
+            mTwilightManager.unregisterListener(this);
+        }
+
+        @Override
+        public void onTwilightStateChanged() {
+            if (DEBUG) Slog.d(TAG, "onTwilightStateChanged");
+            updateActivated();
+        }
+    }
+}
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 45322b3..446c75c 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -7280,8 +7280,8 @@
     }
 
     private boolean areSystemNavigationKeysEnabled() {
-        return Settings.Global.getInt(mContext.getContentResolver(),
-                Settings.Global.SYSTEM_NAVIGATION_KEYS_ENABLED, 1) == 1;
+        return Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.SYSTEM_NAVIGATION_KEYS_ENABLED, 1) == 1;
     }
 
     @Override
diff --git a/services/core/java/com/android/server/twilight/TwilightService.java b/services/core/java/com/android/server/twilight/TwilightService.java
index 6158c92..89e5e58 100644
--- a/services/core/java/com/android/server/twilight/TwilightService.java
+++ b/services/core/java/com/android/server/twilight/TwilightService.java
@@ -556,7 +556,7 @@
         public void onChange(boolean selfChange) {
             super.onChange(selfChange);
             int value = Secure.getIntForUser(getContext().getContentResolver(),
-                    Secure.TWILIGHT_MODE, Secure.TWILIGHT_MODE_LOCKED_OFF, mCurrentUser);
+                    Secure.TWILIGHT_MODE, Secure.TWILIGHT_MODE_AUTO, mCurrentUser);
             if (value == Secure.TWILIGHT_MODE_LOCKED_OFF) {
                 setLockedState(new TwilightState(false, 0));
             } else if (value == Secure.TWILIGHT_MODE_LOCKED_ON) {
diff --git a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
index 79fe18b..06e5e73 100644
--- a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -1282,8 +1282,9 @@
     }
 
     @Override
-    public WallpaperInfo getWallpaperInfo() {
-        int userId = UserHandle.getCallingUserId();
+    public WallpaperInfo getWallpaperInfo(int userId) {
+        userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(),
+                Binder.getCallingUid(), userId, false, true, "getWallpaperIdForUser", null);
         synchronized (mLock) {
             WallpaperData wallpaper = mWallpaperMap.get(userId);
             if (wallpaper != null && wallpaper.connection != null) {
diff --git a/services/core/java/com/android/server/wm/DockedStackDividerController.java b/services/core/java/com/android/server/wm/DockedStackDividerController.java
index e73649d..f93e2ff 100644
--- a/services/core/java/com/android/server/wm/DockedStackDividerController.java
+++ b/services/core/java/com/android/server/wm/DockedStackDividerController.java
@@ -388,8 +388,8 @@
                 inputMethodManagerInternal.hideCurrentInputMethod();
                 mImeHideRequested = true;
             }
-        } else {
-            setMinimizedDockedStack(false);
+        } else if (setMinimizedDockedStack(false)) {
+            mService.mWindowPlacerLocked.performSurfacePlacement();
         }
     }
 
@@ -542,31 +542,43 @@
             return;
         }
 
-        clearImeAdjustAnimation();
+        final boolean imeChanged = clearImeAdjustAnimation();
+        boolean minimizedChange = false;
         if (minimizedDock) {
             if (animate) {
                 startAdjustAnimation(0f, 1f);
             } else {
-                setMinimizedDockedStack(true);
+                minimizedChange |= setMinimizedDockedStack(true);
             }
         } else {
             if (animate) {
                 startAdjustAnimation(1f, 0f);
             } else {
-                setMinimizedDockedStack(false);
+                minimizedChange |= setMinimizedDockedStack(false);
             }
         }
+        if (imeChanged || minimizedChange) {
+            if (imeChanged && !minimizedChange) {
+                Slog.d(TAG, "setMinimizedDockedStack: IME adjust changed due to minimizing,"
+                        + " minimizedDock=" + minimizedDock
+                        + " minimizedChange=" + minimizedChange);
+            }
+            mService.mWindowPlacerLocked.performSurfacePlacement();
+        }
     }
 
-    private void clearImeAdjustAnimation() {
+    private boolean clearImeAdjustAnimation() {
+        boolean changed = false;
         final ArrayList<TaskStack> stacks = mDisplayContent.getStacks();
         for (int i = stacks.size() - 1; i >= 0; --i) {
             final TaskStack stack = stacks.get(i);
             if (stack != null && stack.isAdjustedForIme()) {
                 stack.resetAdjustedForIme(true /* adjustBoundsNow */);
+                changed  = true;
             }
         }
         mAnimatingForIme = false;
+        return changed;
     }
 
     private void startAdjustAnimation(float from, float to) {
@@ -625,8 +637,21 @@
                 if (mDelayedImeWin != null) {
                     mDelayedImeWin.mWinAnimator.endDelayingAnimationStart();
                 }
+                // If the adjust status changed since this was posted, only notify
+                // the new states and don't animate.
+                long duration = 0;
+                if (mAdjustedForIme == adjustedForIme
+                        && mAdjustedForDivider == adjustedForDivider) {
+                    duration = IME_ADJUST_ANIM_DURATION;
+                } else {
+                    Slog.w(TAG, "IME adjust changed while waiting for drawn:"
+                            + " adjustedForIme=" + adjustedForIme
+                            + " adjustedForDivider=" + adjustedForDivider
+                            + " mAdjustedForIme=" + mAdjustedForIme
+                            + " mAdjustedForDivider=" + mAdjustedForDivider);
+                }
                 notifyAdjustedForImeChanged(
-                        adjustedForIme || adjustedForDivider, IME_ADJUST_ANIM_DURATION);
+                        mAdjustedForIme || mAdjustedForDivider, duration);
             };
         } else {
             notifyAdjustedForImeChanged(
@@ -634,15 +659,10 @@
         }
     }
 
-    private void setMinimizedDockedStack(boolean minimized) {
+    private boolean setMinimizedDockedStack(boolean minimized) {
         final TaskStack stack = mDisplayContent.getDockedStackVisibleForUserLocked();
         notifyDockedStackMinimizedChanged(minimized, 0);
-        if (stack == null) {
-            return;
-        }
-        if (stack.setAdjustedForMinimizedDock(minimized ? 1f : 0f)) {
-            mService.mWindowPlacerLocked.performSurfacePlacement();
-        }
+        return stack != null && stack.setAdjustedForMinimizedDock(minimized ? 1f : 0f);
     }
 
     private boolean isAnimationMaximizing() {
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 2236cae..1002b0d 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -51,6 +51,7 @@
 import android.view.WindowManager;
 
 import com.android.internal.R;
+import com.android.internal.app.NightDisplayController;
 import com.android.internal.os.BinderInternal;
 import com.android.internal.os.SamplingProfilerIntegration;
 import com.android.internal.os.ZygoteInit;
@@ -63,6 +64,7 @@
 import com.android.server.connectivity.MetricsLoggerService;
 import com.android.server.devicepolicy.DevicePolicyManagerService;
 import com.android.server.display.DisplayManagerService;
+import com.android.server.display.NightDisplayService;
 import com.android.server.dreams.DreamManagerService;
 import com.android.server.fingerprint.FingerprintService;
 import com.android.server.hdmi.HdmiControlService;
@@ -284,9 +286,6 @@
             // we've defined it before booting further.
             Build.ensureFingerprintProperty();
 
-            // Initialize Environment for the system user.
-            Environment.init();
-
             // Within the system server, it is an error to access Environment paths without
             // explicitly specifying a user.
             Environment.setUserRequired(true);
@@ -998,6 +997,10 @@
 
             mSystemServiceManager.startService(TwilightService.class);
 
+            if (NightDisplayController.isAvailable(context)) {
+                mSystemServiceManager.startService(NightDisplayService.class);
+            }
+
             mSystemServiceManager.startService(JobSchedulerService.class);
 
             mSystemServiceManager.startService(SoundTriggerService.class);
diff --git a/services/net/java/android/net/ip/RouterAdvertisementDaemon.java b/services/net/java/android/net/ip/RouterAdvertisementDaemon.java
new file mode 100644
index 0000000..53c2fd7
--- /dev/null
+++ b/services/net/java/android/net/ip/RouterAdvertisementDaemon.java
@@ -0,0 +1,581 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.net.ip;
+
+import static android.system.OsConstants.*;
+
+import android.net.IpPrefix;
+import android.net.LinkAddress;
+import android.net.LinkProperties;
+import android.net.NetworkUtils;
+import android.system.ErrnoException;
+import android.system.Os;
+import android.system.StructGroupReq;
+import android.system.StructTimeval;
+import android.util.Log;
+
+import com.android.internal.annotations.GuardedBy;
+
+import libcore.io.IoUtils;
+import libcore.util.HexEncoding;
+
+import java.io.FileDescriptor;
+import java.io.InterruptedIOException;
+import java.io.IOException;
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.InetSocketAddress;
+import java.net.SocketException;
+import java.net.UnknownHostException;
+import java.nio.BufferOverflowException;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Random;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;
+
+
+/**
+ * Basic IPv6 Router Advertisement Daemon.
+ *
+ * TODO:
+ *
+ *     - Rewrite using Handler (and friends) so that AlarmManager can deliver
+ *       "kick" messages when it's time to send a multicast RA.
+ *
+ *     - Support transmitting MAX_URGENT_RTR_ADVERTISEMENTS number of empty
+ *       RAs with zero default router lifetime when transitioning from an
+ *       advertising state to a non-advertising state.
+ *
+ * @hide
+ */
+public class RouterAdvertisementDaemon {
+    private static final String TAG = RouterAdvertisementDaemon.class.getSimpleName();
+    private static final byte ICMPV6_ND_ROUTER_SOLICIT = asByte(133);
+    private static final byte ICMPV6_ND_ROUTER_ADVERT  = asByte(134);
+    private static final int IPV6_MIN_MTU = 1280;
+    private static final int MIN_RA_HEADER_SIZE = 16;
+
+    // Summary of various timers and lifetimes.
+    private static final int MIN_RTR_ADV_INTERVAL_SEC = 300;
+    private static final int MAX_RTR_ADV_INTERVAL_SEC = 600;
+    // In general, router, prefix, and DNS lifetimes are all advised to be
+    // greater than or equal to 3 * MAX_RTR_ADV_INTERVAL.  Here, we double
+    // that to allow for multicast packet loss.
+    //
+    // This MAX_RTR_ADV_INTERVAL_SEC and DEFAULT_LIFETIME are also consistent
+    // with the https://tools.ietf.org/html/rfc7772#section-4 discussion of
+    // "approximately 7 RAs per hour".
+    private static final int DEFAULT_LIFETIME = 6 * MAX_RTR_ADV_INTERVAL_SEC;
+    // From https://tools.ietf.org/html/rfc4861#section-10 .
+    private static final int MIN_DELAY_BETWEEN_RAS_SEC = 3;
+    // Both initial and final RAs, but also for changes in RA contents.
+    // From https://tools.ietf.org/html/rfc4861#section-10 .
+    private static final int  MAX_URGENT_RTR_ADVERTISEMENTS = 5;
+
+    private static final int DAY_IN_SECONDS = 86_400;
+
+    private static final byte[] ALL_NODES = new byte[] {
+            (byte) 0xff, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
+    };
+
+    private final String mIfName;
+    private final int mIfIndex;
+    private final byte[] mHwAddr;
+    private final InetSocketAddress mAllNodes;
+
+    // This lock is to protect the RA from being updated while being
+    // transmitted on another thread  (multicast or unicast).
+    //
+    // TODO: This should be handled with a more RCU-like approach.
+    private final Object mLock = new Object();
+    @GuardedBy("mLock")
+    private final byte[] mRA = new byte[IPV6_MIN_MTU];
+    @GuardedBy("mLock")
+    private int mRaLength;
+
+    private volatile FileDescriptor mSocket;
+    private volatile MulticastTransmitter mMulticastTransmitter;
+    private volatile UnicastResponder mUnicastResponder;
+
+    public static class RaParams {
+        public boolean hasDefaultRoute;
+        public int mtu;
+        public HashSet<IpPrefix> prefixes;
+        public HashSet<Inet6Address> dnses;
+
+        public RaParams() {
+            hasDefaultRoute = false;
+            mtu = IPV6_MIN_MTU;
+            prefixes = new HashSet<IpPrefix>();
+            dnses = new HashSet<Inet6Address>();
+        }
+
+        public RaParams(RaParams other) {
+            hasDefaultRoute = other.hasDefaultRoute;
+            mtu = other.mtu;
+            prefixes = (HashSet) other.prefixes.clone();
+            dnses = (HashSet) other.dnses.clone();
+        }
+    }
+
+
+    public RouterAdvertisementDaemon(String ifname, int ifindex, byte[] hwaddr) {
+        mIfName = ifname;
+        mIfIndex = ifindex;
+        mHwAddr = hwaddr;
+        mAllNodes = new InetSocketAddress(getAllNodesForScopeId(mIfIndex), 0);
+    }
+
+    public void buildNewRa(RaParams params) {
+        if (params == null || params.prefixes.isEmpty()) {
+            // No RA to be served at this time.
+            clearRa();
+            return;
+        }
+
+        if (params.mtu < IPV6_MIN_MTU) {
+            params.mtu = IPV6_MIN_MTU;
+        }
+
+        final ByteBuffer ra = ByteBuffer.wrap(mRA);
+        ra.order(ByteOrder.BIG_ENDIAN);
+
+        synchronized (mLock) {
+            try {
+                putHeader(ra, params.hasDefaultRoute);
+                putSlla(ra, mHwAddr);
+                // https://tools.ietf.org/html/rfc5175#section-4 says:
+                //
+                //     "MUST NOT be added to a Router Advertisement message
+                //      if no flags in the option are set."
+                //
+                // putExpandedFlagsOption(ra);
+                putMtu(ra, params.mtu);
+                for (IpPrefix ipp : params.prefixes) {
+                    putPio(ra, ipp);
+                }
+                if (params.dnses.size() > 0) {
+                    putRdnss(ra, params.dnses);
+                }
+                mRaLength = ra.position();
+            } catch (BufferOverflowException e) {
+                Log.e(TAG, "Could not construct new RA: " + e);
+                mRaLength = 0;
+                return;
+            }
+        }
+
+        maybeNotifyMulticastTransmitter();
+    }
+
+    public boolean start() {
+        if (!createSocket()) {
+            return false;
+        }
+
+        mMulticastTransmitter = new MulticastTransmitter();
+        mMulticastTransmitter.start();
+
+        mUnicastResponder = new UnicastResponder();
+        mUnicastResponder.start();
+
+        return true;
+    }
+
+    public void stop() {
+        closeSocket();
+        mMulticastTransmitter = null;
+        mUnicastResponder = null;
+    }
+
+    private void clearRa() {
+        boolean notifySocket;
+        synchronized (mLock) {
+            notifySocket = (mRaLength != 0);
+            mRaLength = 0;
+        }
+        if (notifySocket) {
+            maybeNotifyMulticastTransmitter();
+        }
+    }
+
+    private void maybeNotifyMulticastTransmitter() {
+        final MulticastTransmitter m = mMulticastTransmitter;
+        if (m != null) {
+            m.hup();
+        }
+    }
+
+    private static Inet6Address getAllNodesForScopeId(int scopeId) {
+        try {
+            return Inet6Address.getByAddress("ff02::1", ALL_NODES, scopeId);
+        } catch (UnknownHostException uhe) {
+            Log.wtf(TAG, "Failed to construct ff02::1 InetAddress: " + uhe);
+            return null;
+        }
+    }
+
+    private static byte asByte(int value) { return (byte) value; }
+    private static short asShort(int value) { return (short) value; }
+
+    private static void putHeader(ByteBuffer ra, boolean hasDefaultRoute) {
+        /**
+            Router Advertisement Message Format
+
+             0                   1                   2                   3
+             0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |     Type      |     Code      |          Checksum             |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            | Cur Hop Limit |M|O|H|Prf|P|R|R|       Router Lifetime         |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                         Reachable Time                        |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                          Retrans Timer                        |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |   Options ...
+            +-+-+-+-+-+-+-+-+-+-+-+-
+        */
+        final byte DEFAULT_HOPLIMIT = 64;
+        ra.put(ICMPV6_ND_ROUTER_ADVERT)
+          .put(asByte(0))
+          .putShort(asShort(0))
+          .put(DEFAULT_HOPLIMIT)
+          // RFC 4191 "high" preference, iff. advertising a default route.
+          .put(hasDefaultRoute ? asByte(0x08) : asByte(0))
+          .putShort(hasDefaultRoute ? asShort(DEFAULT_LIFETIME) : asShort(0))
+          .putInt(0)
+          .putInt(0);
+    }
+
+    private static void putSlla(ByteBuffer ra, byte[] slla) {
+        /**
+            Source/Target Link-layer Address
+
+             0                   1                   2                   3
+             0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |     Type      |    Length     |    Link-Layer Address ...
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+        */
+        if (slla == null || slla.length != 6) {
+            // Only IEEE 802.3 6-byte addresses are supported.
+            return;
+        }
+        final byte ND_OPTION_SLLA = 1;
+        final byte SLLA_NUM_8OCTETS = 1;
+        ra.put(ND_OPTION_SLLA)
+          .put(SLLA_NUM_8OCTETS)
+          .put(slla);
+    }
+
+    private static void putExpandedFlagsOption(ByteBuffer ra) {
+        /**
+            Router Advertisement Expanded Flags Option
+
+             0                   1                   2                   3
+             0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |     Type      |    Length     |         Bit fields available ..
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            ... for assignment                                              |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+         */
+
+        final byte ND_OPTION_EFO = 26;
+        final byte EFO_NUM_8OCTETS = 1;
+
+        ra.put(ND_OPTION_EFO)
+          .put(EFO_NUM_8OCTETS)
+          .putShort(asShort(0))
+          .putInt(0);
+    }
+
+    private static void putMtu(ByteBuffer ra, int mtu) {
+        /**
+            MTU
+
+             0                   1                   2                   3
+             0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |     Type      |    Length     |           Reserved            |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                              MTU                              |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+        */
+        final byte ND_OPTION_MTU = 5;
+        final byte MTU_NUM_8OCTETS = 1;
+        ra.put(ND_OPTION_MTU)
+          .put(MTU_NUM_8OCTETS)
+          .putShort(asShort(0))
+          .putInt(mtu);
+    }
+
+    private static void putPio(ByteBuffer ra, IpPrefix ipp) {
+        /**
+            Prefix Information
+
+             0                   1                   2                   3
+             0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |     Type      |    Length     | Prefix Length |L|A| Reserved1 |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                         Valid Lifetime                        |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                       Preferred Lifetime                      |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                           Reserved2                           |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                                                               |
+            +                                                               +
+            |                                                               |
+            +                            Prefix                             +
+            |                                                               |
+            +                                                               +
+            |                                                               |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+        */
+        final int prefixLength = ipp.getPrefixLength();
+        if (prefixLength != 64) {
+            return;
+        }
+        final byte ND_OPTION_PIO = 3;
+        final byte PIO_NUM_8OCTETS = 4;
+
+        final byte[] addr = ipp.getAddress().getAddress();
+        ra.put(ND_OPTION_PIO)
+          .put(PIO_NUM_8OCTETS)
+          .put(asByte(prefixLength))
+          .put(asByte(0xc0))  // L&A set
+          .putInt(DEFAULT_LIFETIME)
+          .putInt(DEFAULT_LIFETIME)
+          .putInt(0)
+          .put(addr);
+    }
+
+    private static void putRio(ByteBuffer ra, IpPrefix ipp) {
+        /**
+            Route Information Option
+
+             0                   1                   2                   3
+             0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |     Type      |    Length     | Prefix Length |Resvd|Prf|Resvd|
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                        Route Lifetime                         |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                   Prefix (Variable Length)                    |
+            .                                                               .
+            .                                                               .
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+         */
+        final int prefixLength = ipp.getPrefixLength();
+        if (prefixLength > 64) {
+            return;
+        }
+        final byte ND_OPTION_RIO = 24;
+        final byte RIO_NUM_8OCTETS = asByte(
+                (prefixLength == 0) ? 1 : (prefixLength <= 8) ? 2 : 3);
+
+        final byte[] addr = ipp.getAddress().getAddress();
+        ra.put(ND_OPTION_RIO)
+          .put(RIO_NUM_8OCTETS)
+          .put(asByte(prefixLength))
+          .put(asByte(0x18))
+          .putInt(DEFAULT_LIFETIME);
+
+        // Rely upon an IpPrefix's address being properly zeroed.
+        if (prefixLength > 0) {
+            ra.put(addr, 0, (prefixLength <= 64) ? 8 : 16);
+        }
+    }
+
+    private static void putRdnss(ByteBuffer ra, Set<Inet6Address> dnses) {
+        /**
+            Recursive DNS Server (RDNSS) Option
+
+             0                   1                   2                   3
+             0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |     Type      |     Length    |           Reserved            |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                           Lifetime                            |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            |                                                               |
+            :            Addresses of IPv6 Recursive DNS Servers            :
+            |                                                               |
+            +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+         */
+
+        final byte ND_OPTION_RDNSS = 25;
+        final byte RDNSS_NUM_8OCTETS = asByte(dnses.size() * 2 + 1);
+        ra.put(ND_OPTION_RDNSS)
+          .put(RDNSS_NUM_8OCTETS)
+          .putShort(asShort(0))
+          .putInt(DEFAULT_LIFETIME);
+
+        for (Inet6Address dns : dnses) {
+            ra.put(dns.getAddress());
+        }
+    }
+
+    private boolean createSocket() {
+        final int SEND_TIMEOUT_MS = 300;
+
+        try {
+            mSocket = Os.socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
+            // Setting SNDTIMEO is purely for defensive purposes.
+            Os.setsockoptTimeval(
+                    mSocket, SOL_SOCKET, SO_SNDTIMEO, StructTimeval.fromMillis(SEND_TIMEOUT_MS));
+            Os.setsockoptIfreq(mSocket, SOL_SOCKET, SO_BINDTODEVICE, mIfName);
+            NetworkUtils.protectFromVpn(mSocket);
+            NetworkUtils.setupRaSocket(mSocket, mIfIndex);
+        } catch (ErrnoException | IOException e) {
+            Log.e(TAG, "Failed to create RA daemon socket: " + e);
+            return false;
+        }
+
+        return true;
+    }
+
+    private void closeSocket() {
+        if (mSocket != null) {
+            IoUtils.closeQuietly(mSocket);
+        }
+        mSocket = null;
+    }
+
+    private boolean isSocketValid() {
+        final FileDescriptor s = mSocket;
+        return (s != null) && s.valid();
+    }
+
+    private boolean isSuitableDestination(InetSocketAddress dest) {
+        if (mAllNodes.equals(dest)) {
+            return true;
+        }
+
+        final InetAddress destip = dest.getAddress();
+        return (destip instanceof Inet6Address) &&
+                destip.isLinkLocalAddress() &&
+               (((Inet6Address) destip).getScopeId() == mIfIndex);
+    }
+
+    private void maybeSendRA(InetSocketAddress dest) {
+        if (dest == null || !isSuitableDestination(dest)) {
+            dest = mAllNodes;
+        }
+
+        try {
+            synchronized (mLock) {
+                if (mRaLength < MIN_RA_HEADER_SIZE) {
+                    // No actual RA to send.
+                    return;
+                }
+                Os.sendto(mSocket, mRA, 0, mRaLength, 0, dest);
+            }
+            Log.d(TAG, "RA sendto " + dest.getAddress().getHostAddress());
+        } catch (ErrnoException | SocketException e) {
+            if (isSocketValid()) {
+                Log.e(TAG, "sendto error: " + e);
+            }
+        }
+    }
+
+    private final class UnicastResponder extends Thread {
+        private final InetSocketAddress solicitor = new InetSocketAddress();
+        // The recycled buffer for receiving Router Solicitations from clients.
+        // If the RS is larger than IPV6_MIN_MTU the packets are truncated.
+        // This is fine since currently only byte 0 is examined anyway.
+        private final byte mSolication[] = new byte[IPV6_MIN_MTU];
+
+        @Override
+        public void run() {
+            while (isSocketValid()) {
+                try {
+                    // Blocking receive.
+                    final int rval = Os.recvfrom(
+                            mSocket, mSolication, 0, mSolication.length, 0, solicitor);
+                    // Do the least possible amount of validation.
+                    if (rval < 1 || mSolication[0] != ICMPV6_ND_ROUTER_SOLICIT) {
+                        continue;
+                    }
+                } catch (ErrnoException | SocketException e) {
+                    if (isSocketValid()) {
+                        Log.e(TAG, "recvfrom error: " + e);
+                    }
+                    continue;
+                }
+
+                maybeSendRA(solicitor);
+            }
+        }
+    }
+
+    // TODO: Consider moving this to run on a provided Looper as a Handler,
+    // with WakeupMessage-style messages providing the timer driven input.
+    private final class MulticastTransmitter extends Thread {
+        private final Random mRandom = new Random();
+        private final AtomicInteger mUrgentAnnouncements = new AtomicInteger(0);
+
+        @Override
+        public void run() {
+            while (isSocketValid()) {
+                try {
+                    Thread.sleep(getNextMulticastTransmitDelayMs());
+                } catch (InterruptedException ignored) {
+                    // Stop sleeping, immediately send an RA, and continue.
+                }
+
+                maybeSendRA(mAllNodes);
+            }
+        }
+
+        public void hup() {
+            // Set to one fewer that the desired number, because as soon as
+            // the thread interrupt is processed we immediately send an RA
+            // and mUrgentAnnouncements is not examined until the subsequent
+            // sleep interval computation (i.e. this way we send 3 and not 4).
+            mUrgentAnnouncements.set(MAX_URGENT_RTR_ADVERTISEMENTS - 1);
+            interrupt();
+        }
+
+        private int getNextMulticastTransmitDelaySec() {
+            synchronized (mLock) {
+                if (mRaLength < MIN_RA_HEADER_SIZE) {
+                    // No actual RA to send; just sleep for 1 day.
+                    return DAY_IN_SECONDS;
+                }
+            }
+
+            final int urgentPending = mUrgentAnnouncements.getAndDecrement();
+            if (urgentPending > 0) {
+                return MIN_DELAY_BETWEEN_RAS_SEC;
+            }
+
+            return MIN_RTR_ADV_INTERVAL_SEC + mRandom.nextInt(
+                    MAX_RTR_ADV_INTERVAL_SEC - MIN_RTR_ADV_INTERVAL_SEC);
+        }
+
+        private long getNextMulticastTransmitDelayMs() {
+            return 1000 * (long) getNextMulticastTransmitDelaySec();
+        }
+    }
+}
diff --git a/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java b/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
index 04049a1..a92498b 100644
--- a/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
+++ b/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
@@ -55,6 +55,7 @@
 import android.os.UserManager;
 import android.provider.MediaStore;
 import android.provider.Settings;
+import android.util.KeyValueListParser;
 import android.util.Slog;
 import com.android.internal.os.BackgroundThread;
 import com.android.internal.R;
@@ -75,15 +76,17 @@
 
     private static final String TAG = RetailDemoModeService.class.getSimpleName();
     private static final String DEMO_USER_NAME = "Demo";
-    private static final String ACTION_RESET_DEMO = "com.android.server.am.ACTION_RESET_DEMO";
+    private static final String ACTION_RESET_DEMO =
+            "com.android.server.retaildemo.ACTION_RESET_DEMO";
 
     private static final int MSG_TURN_SCREEN_ON = 0;
     private static final int MSG_INACTIVITY_TIME_OUT = 1;
     private static final int MSG_START_NEW_SESSION = 2;
 
     private static final long SCREEN_WAKEUP_DELAY = 2500;
-    private static final long USER_INACTIVITY_TIMEOUT = 30000;
-    private static final long WARNING_DIALOG_TIMEOUT = 6000;
+    private static final long USER_INACTIVITY_TIMEOUT_MIN = 10000;
+    private static final long USER_INACTIVITY_TIMEOUT_DEFAULT = 30000;
+    private static final long WARNING_DIALOG_TIMEOUT_DEFAULT = 6000;
     private static final long MILLIS_PER_SECOND = 1000;
 
     private static final int[] VOLUME_STREAMS_TO_MUTE = {
@@ -97,6 +100,8 @@
 
     boolean mDeviceInDemoMode = false;
     int mCurrentUserId = UserHandle.USER_SYSTEM;
+    long mUserInactivityTimeout;
+    long mWarningDialogTimeout;
     private ActivityManagerService mAms;
     private ActivityManagerInternal mAmi;
     private AudioManager mAudioManager;
@@ -180,9 +185,79 @@
         }
     }
 
+    private class SettingsObserver extends ContentObserver {
+
+        private final static String KEY_USER_INACTIVITY_TIMEOUT = "user_inactivity_timeout_ms";
+        private final static String KEY_WARNING_DIALOG_TIMEOUT = "warning_dialog_timeout_ms";
+
+        private final Uri mDeviceDemoModeUri = Settings.Global
+                .getUriFor(Settings.Global.DEVICE_DEMO_MODE);
+        private final Uri mDeviceProvisionedUri = Settings.Global
+                .getUriFor(Settings.Global.DEVICE_PROVISIONED);
+        private final Uri mRetailDemoConstantsUri = Settings.Global
+                .getUriFor(Settings.Global.RETAIL_DEMO_MODE_CONSTANTS);
+
+        private final KeyValueListParser mParser = new KeyValueListParser(',');
+
+        public SettingsObserver(Handler handler) {
+            super(handler);
+        }
+
+        public void register() {
+            ContentResolver cr = getContext().getContentResolver();
+            cr.registerContentObserver(mDeviceDemoModeUri, false, this, UserHandle.USER_SYSTEM);
+            cr.registerContentObserver(mDeviceProvisionedUri, false, this, UserHandle.USER_SYSTEM);
+            cr.registerContentObserver(mRetailDemoConstantsUri, false, this,
+                    UserHandle.USER_SYSTEM);
+        }
+
+        @Override
+        public void onChange(boolean selfChange, Uri uri) {
+            if (mRetailDemoConstantsUri.equals(uri)) {
+                refreshTimeoutConstants();
+                return;
+            }
+            if (mDeviceDemoModeUri.equals(uri)) {
+                mDeviceInDemoMode = UserManager.isDeviceInDemoMode(getContext());
+                if (mDeviceInDemoMode) {
+                    mHandler.sendEmptyMessage(MSG_START_NEW_SESSION);
+                } else if (mWakeLock.isHeld()) {
+                    mWakeLock.release();
+                }
+            }
+            // If device is provisioned and left demo mode - run the cleanup in demo folder
+            if (!mDeviceInDemoMode && isDeviceProvisioned()) {
+                // Run on the bg thread to not block the fg thread
+                BackgroundThread.getHandler().post(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (!deleteDemoFolderContents()) {
+                            Slog.w(TAG, "Failed to delete demo folder contents");
+                        }
+                    }
+                });
+            }
+        }
+
+        private void refreshTimeoutConstants() {
+            try {
+                mParser.setString(Settings.Global.getString(getContext().getContentResolver(),
+                    Settings.Global.RETAIL_DEMO_MODE_CONSTANTS));
+            } catch (IllegalArgumentException exc) {
+                Slog.e(TAG, "Invalid string passed to KeyValueListParser");
+                // Consuming the exception to fall back to default values.
+            }
+            mWarningDialogTimeout = mParser.getLong(KEY_WARNING_DIALOG_TIMEOUT,
+                    WARNING_DIALOG_TIMEOUT_DEFAULT);
+            mUserInactivityTimeout = mParser.getLong(KEY_USER_INACTIVITY_TIMEOUT,
+                    USER_INACTIVITY_TIMEOUT_DEFAULT);
+            mUserInactivityTimeout = Math.max(mUserInactivityTimeout, USER_INACTIVITY_TIMEOUT_MIN);
+        }
+    }
+
     private void showInactivityCountdownDialog() {
         UserInactivityCountdownDialog dialog = new UserInactivityCountdownDialog(getContext(),
-                WARNING_DIALOG_TIMEOUT, MILLIS_PER_SECOND);
+                mWarningDialogTimeout, MILLIS_PER_SECOND);
         dialog.setNegativeButtonClickListener(null);
         dialog.setPositiveButtonClickListener(new DialogInterface.OnClickListener() {
             @Override
@@ -308,42 +383,6 @@
         return mAudioManager;
     }
 
-    private void registerSettingsChangeObserver() {
-        final Uri deviceDemoModeUri = Settings.Global.getUriFor(Settings.Global.DEVICE_DEMO_MODE);
-        final Uri deviceProvisionedUri = Settings.Global.getUriFor(
-                Settings.Global.DEVICE_PROVISIONED);
-        final ContentResolver cr = getContext().getContentResolver();
-        final ContentObserver deviceDemoModeSettingObserver = new ContentObserver(mHandler) {
-            @Override
-            public void onChange(boolean selfChange, Uri uri, int userId) {
-                if (deviceDemoModeUri.equals(uri)) {
-                    mDeviceInDemoMode = UserManager.isDeviceInDemoMode(getContext());
-                    if (mDeviceInDemoMode) {
-                        mHandler.sendEmptyMessage(MSG_START_NEW_SESSION);
-                    } else if (mWakeLock.isHeld()) {
-                        mWakeLock.release();
-                    }
-                }
-                // If device is provisioned and left demo mode - run the cleanup in demo folder
-                if (!mDeviceInDemoMode && isDeviceProvisioned()) {
-                    // Run on the bg thread to not block the fg thread
-                    BackgroundThread.getHandler().post(new Runnable() {
-                        @Override
-                        public void run() {
-                            if (!deleteDemoFolderContents()) {
-                                Slog.w(TAG, "Failed to delete demo folder contents");
-                            }
-                        }
-                    });
-                }
-            }
-        };
-        cr.registerContentObserver(deviceDemoModeUri, false, deviceDemoModeSettingObserver,
-                UserHandle.USER_SYSTEM);
-        cr.registerContentObserver(deviceProvisionedUri, false, deviceDemoModeSettingObserver,
-                UserHandle.USER_SYSTEM);
-    }
-
     private boolean isDeviceProvisioned() {
         return Settings.Global.getInt(
                 getContext().getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
@@ -431,7 +470,9 @@
             mDeviceInDemoMode = true;
             mHandler.sendEmptyMessage(MSG_START_NEW_SESSION);
         }
-        registerSettingsChangeObserver();
+        SettingsObserver settingsObserver = new SettingsObserver(mHandler);
+        settingsObserver.register();
+        settingsObserver.refreshTimeoutConstants();
         registerBroadcastReceiver();
     }
 
@@ -491,7 +532,7 @@
                 }
             }
             mHandler.removeMessages(MSG_INACTIVITY_TIME_OUT);
-            mHandler.sendEmptyMessageDelayed(MSG_INACTIVITY_TIME_OUT, USER_INACTIVITY_TIMEOUT);
+            mHandler.sendEmptyMessageDelayed(MSG_INACTIVITY_TIME_OUT, mUserInactivityTimeout);
         }
     };
 }
diff --git a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
index ba77b03..f2a9315 100644
--- a/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/ConnectivityServiceTest.java
@@ -1040,6 +1040,8 @@
     enum CallbackState {
         NONE,
         AVAILABLE,
+        NETWORK_CAPABILITIES,
+        LINK_PROPERTIES,
         LOSING,
         LOST
     }
@@ -1072,18 +1074,21 @@
         }
         private final LinkedBlockingQueue<CallbackInfo> mCallbacks = new LinkedBlockingQueue<>();
 
-        private void setLastCallback(CallbackState state, Network network, Object o) {
+        protected void setLastCallback(CallbackState state, Network network, Object o) {
             mCallbacks.offer(new CallbackInfo(state, network, o));
         }
 
+        @Override
         public void onAvailable(Network network) {
             setLastCallback(CallbackState.AVAILABLE, network, null);
         }
 
+        @Override
         public void onLosing(Network network, int maxMsToLive) {
             setLastCallback(CallbackState.LOSING, network, maxMsToLive /* autoboxed int */);
         }
 
+        @Override
         public void onLost(Network network) {
             setLastCallback(CallbackState.LOST, network, null);
         }
@@ -1744,6 +1749,67 @@
         defaultNetworkCallback.expectCallback(CallbackState.LOST, mCellNetworkAgent);
     }
 
+    private class TestRequestUpdateCallback extends TestNetworkCallback {
+        @Override
+        public void onCapabilitiesChanged(Network network, NetworkCapabilities netCap) {
+            setLastCallback(CallbackState.NETWORK_CAPABILITIES, network, netCap);
+        }
+
+        @Override
+        public void onLinkPropertiesChanged(Network network, LinkProperties linkProp) {
+            setLastCallback(CallbackState.LINK_PROPERTIES, network, linkProp);
+        }
+    }
+
+    @LargeTest
+    public void testRequestCallbackUpdates() throws Exception {
+        // File a network request for mobile.
+        final TestNetworkCallback cellNetworkCallback = new TestRequestUpdateCallback();
+        final NetworkRequest cellRequest = new NetworkRequest.Builder()
+                .addTransportType(TRANSPORT_CELLULAR).build();
+        mCm.requestNetwork(cellRequest, cellNetworkCallback);
+
+        // Bring up the mobile network.
+        mCellNetworkAgent = new MockNetworkAgent(TRANSPORT_CELLULAR);
+        mCellNetworkAgent.connect(true);
+
+        // We should get onAvailable().
+        cellNetworkCallback.expectCallback(CallbackState.AVAILABLE, mCellNetworkAgent);
+        // We should get onCapabilitiesChanged(), when the mobile network successfully validates.
+        cellNetworkCallback.expectCallback(CallbackState.NETWORK_CAPABILITIES, mCellNetworkAgent);
+        cellNetworkCallback.assertNoCallback();
+
+        // Update LinkProperties.
+        final LinkProperties lp = new LinkProperties();
+        lp.setInterfaceName("foonet_data0");
+        mCellNetworkAgent.sendLinkProperties(lp);
+        // We should get onLinkPropertiesChanged().
+        cellNetworkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
+        cellNetworkCallback.assertNoCallback();
+
+        // Register a garden variety default network request.
+        final TestNetworkCallback dfltNetworkCallback = new TestRequestUpdateCallback();
+        mCm.registerDefaultNetworkCallback(dfltNetworkCallback);
+        // Only onAvailable() is called; no other information is delivered.
+        dfltNetworkCallback.expectCallback(CallbackState.AVAILABLE, mCellNetworkAgent);
+        dfltNetworkCallback.assertNoCallback();
+
+        // Request a NetworkCapabilities update; only the requesting callback is notified.
+        mCm.requestNetworkCapabilities(dfltNetworkCallback);
+        dfltNetworkCallback.expectCallback(CallbackState.NETWORK_CAPABILITIES, mCellNetworkAgent);
+        cellNetworkCallback.assertNoCallback();
+        dfltNetworkCallback.assertNoCallback();
+
+        // Request a LinkProperties update; only the requesting callback is notified.
+        mCm.requestLinkProperties(dfltNetworkCallback);
+        dfltNetworkCallback.expectCallback(CallbackState.LINK_PROPERTIES, mCellNetworkAgent);
+        cellNetworkCallback.assertNoCallback();
+        dfltNetworkCallback.assertNoCallback();
+
+        mCm.unregisterNetworkCallback(dfltNetworkCallback);
+        mCm.unregisterNetworkCallback(cellNetworkCallback);
+    }
+
     @SmallTest
     public void testRequestBenchmark() throws Exception {
         // Benchmarks connecting and switching performance in the presence of a large number of
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 766e930..441efb7 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -407,11 +407,11 @@
 
     /**
      * Boolean connection extra key on a {@link Connection} which indicates that adding an
-     * additional call is disallowed when there is a video call in progress.
+     * additional call is disallowed.
      * @hide
      */
-    public static final String EXTRA_DISABLE_ADD_CALL_DURING_VIDEO_CALL =
-            "android.telecom.extra.DISABLE_ADD_CALL_DURING_VIDEO_CALL";
+    public static final String EXTRA_DISABLE_ADD_CALL =
+            "android.telecom.extra.DISABLE_ADD_CALL";
 
     /**
      * Connection event used to inform Telecom that it should play the on hold tone.  This is used
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index a5e50aa..a84f13e 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -285,6 +285,16 @@
     public static final String KEY_CARRIER_DEFAULT_WFC_IMS_ROAMING_ENABLED_BOOL =
             "carrier_default_wfc_ims_roaming_enabled_bool";
 
+    /**
+     * Flag indicating whether failed calls due to no service should prompt the user to enable
+     * WIFI calling.  When {@code true}, if the user attempts to establish a call when there is no
+     * service available, they are connected to WIFI, and WIFI calling is disabled, a different
+     * call failure message will be used to encourage the user to enable WIFI calling.
+     * @hide
+     */
+    public static final String KEY_CARRIER_PROMOTE_WFC_ON_CALL_FAIL_BOOL =
+            "carrier_promote_wfc_on_call_fail_bool";
+
     /** Flag specifying whether provisioning is required for VOLTE. */
     public static final String KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL
             = "carrier_volte_provisioning_required_bool";
@@ -819,7 +829,9 @@
             "allow_merge_wifi_calls_when_vowifi_off_bool";
 
     /**
-     * When true, indicates that adding a call is disabled when there is an ongoing video call.
+     * When true, indicates that adding a call is disabled when there is an ongoing video call
+     * or when there is an ongoing call on wifi which was downgraded from video and VoWifi is
+     * turned off.
      */
     public static final String KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL =
             "allow_add_call_during_video_call";
@@ -841,6 +853,7 @@
         sDefaults.putBoolean(KEY_CARRIER_WFC_SUPPORTS_WIFI_ONLY_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_DEFAULT_WFC_IMS_ENABLED_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_DEFAULT_WFC_IMS_ROAMING_ENABLED_BOOL, false);
+        sDefaults.putBoolean(KEY_CARRIER_PROMOTE_WFC_ON_CALL_FAIL_BOOL, false);
         sDefaults.putInt(KEY_CARRIER_DEFAULT_WFC_IMS_MODE_INT, 2);
         sDefaults.putBoolean(KEY_CARRIER_FORCE_DISABLE_ETWS_CMAS_TEST_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_VOLTE_PROVISIONING_REQUIRED_BOOL, false);
diff --git a/tests/SoundTriggerTestApp/AndroidManifest.xml b/tests/SoundTriggerTestApp/AndroidManifest.xml
index 71d6001..87f3e92 100644
--- a/tests/SoundTriggerTestApp/AndroidManifest.xml
+++ b/tests/SoundTriggerTestApp/AndroidManifest.xml
@@ -1,25 +1,28 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
         package="com.android.test.soundtrigger">
-
+    <uses-permission android:name="android.permission.CAPTURE_AUDIO_HOTWORD" />
     <uses-permission android:name="android.permission.MANAGE_SOUND_TRIGGER" />
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <application>
         <activity
-            android:name="TestSoundTriggerActivity"
+            android:name=".SoundTriggerTestActivity"
             android:label="SoundTrigger Test Application"
             android:screenOrientation="portrait"
             android:theme="@android:style/Theme.Material">
-            <!--
-            <intent-filter>
-                <action android:name="com.android.intent.action.MANAGE_SOUND_TRIGGER" />
-                <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
-            -->
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <service
+            android:name=".SoundTriggerTestService"
+            android:stopWithTask="false"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.android.intent.action.MANAGE_SOUND_TRIGGER" />
+            </intent-filter>
+        </service>
     </application>
 </manifest>
diff --git a/tests/SoundTriggerTestApp/res/layout/main.xml b/tests/SoundTriggerTestApp/res/layout/main.xml
index 06949a0..0fd8b12 100644
--- a/tests/SoundTriggerTestApp/res/layout/main.xml
+++ b/tests/SoundTriggerTestApp/res/layout/main.xml
@@ -18,81 +18,107 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical"
-    >
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    >
+    android:orientation="vertical">
 
-    <Button
-        android:layout_width="wrap_content"
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/load"
+            android:onClick="onLoadButtonClicked"
+            android:padding="20dp" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/start_recog"
+            android:onClick="onStartRecognitionButtonClicked"
+            android:padding="20dp" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/stop_recog"
+            android:onClick="onStopRecognitionButtonClicked"
+            android:padding="20dp" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/unload"
+            android:onClick="onUnloadButtonClicked"
+            android:padding="20dp" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/reload"
+            android:onClick="onReloadButtonClicked"
+            android:padding="20dp" />
+
+        <Button
+            android:id="@+id/play_trigger_id"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/play_trigger"
+            android:onClick="onPlayTriggerButtonClicked"
+            android:padding="20dp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:text="@string/enroll"
-        android:onClick="onEnrollButtonClicked"
-        android:padding="20dp" />
+        android:layout_gravity="right">
 
-    <Button
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/reenroll"
-        android:onClick="onReEnrollButtonClicked"
-        android:padding="20dp" />
+        <CheckBox
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/capture"
+            android:id="@+id/caputre_check_box"
+            android:layout_gravity="center_horizontal"
+            android:padding="20dp" />
 
-    <Button
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/start_recog"
-        android:onClick="onStartRecognitionButtonClicked"
-        android:padding="20dp" />
+        <Button
+            android:id="@+id/play_captured_id"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/play_capture"
+            android:padding="20dp"
+            android:enabled="false" />
+    </LinearLayout>
 
-    <Button
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/stop_recog"
-        android:onClick="onStopRecognitionButtonClicked"
-        android:padding="20dp" />
-
-    <Button
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/unenroll"
-        android:onClick="onUnEnrollButtonClicked"
-        android:padding="20dp" />
-
-    <Button
-        android:id="@+id/play_trigger_id"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="@string/play_trigger"
-        android:onClick="onPlayTriggerButtonClicked"
-        android:padding="20dp" />
-
-</LinearLayout>
-
-<RadioGroup xmlns:android="http://schemas.android.com/apk/res/android"
+    <RadioGroup xmlns:android="http://schemas.android.com/apk/res/android"
         android:id="@+id/model_group_id"
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:padding="20dp"
-        android:orientation="vertical">
-</RadioGroup>
+        android:orientation="vertical" />
 
-<ScrollView
+    <ScrollView
        android:id="@+id/scroller_id"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:scrollbars="vertical"
        android:fillViewport="true">
 
-      <TextView
-        android:id="@+id/console"
-        android:paddingTop="20pt"
-        android:layout_height="fill_parent"
-        android:layout_width="fill_parent"
-        android:textSize="14dp"
-        android:layout_weight="1.0"
-        android:text="@string/none">
-     </TextView>
-</ScrollView>
+        <TextView
+            android:id="@+id/console"
+            android:paddingTop="20pt"
+            android:layout_height="fill_parent"
+            android:layout_width="fill_parent"
+            android:textSize="14dp"
+            android:layout_weight="1.0"
+            android:text="@string/none" />
+    </ScrollView>
 </LinearLayout>
diff --git a/tests/SoundTriggerTestApp/res/values/strings.xml b/tests/SoundTriggerTestApp/res/values/strings.xml
index 7c1f649..c48b648 100644
--- a/tests/SoundTriggerTestApp/res/values/strings.xml
+++ b/tests/SoundTriggerTestApp/res/values/strings.xml
@@ -16,11 +16,14 @@
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
 
-    <string name="enroll">Load</string>
-    <string name="reenroll">Re-load</string>
-    <string name="unenroll">Un-load</string>
+    <string name="load">Load</string>
+    <string name="reload">Reload</string>
+    <string name="unload">Unload</string>
     <string name="start_recog">Start</string>
     <string name="stop_recog">Stop</string>
     <string name="play_trigger">Play Trigger Audio</string>
+    <string name="capture">Capture Audio</string>
+    <string name="stop_capture">Stop Capturing Audio</string>
+    <string name="play_capture">Play Captured Audio</string>
     <string name="none">Debug messages appear here:\n</string>
 </resources>
diff --git a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerTestActivity.java b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerTestActivity.java
new file mode 100644
index 0000000..4841bc5
--- /dev/null
+++ b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerTestActivity.java
@@ -0,0 +1,329 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.test.soundtrigger;
+
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import android.Manifest;
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.content.pm.PackageManager;
+import android.media.AudioManager;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.PowerManager;
+import android.text.Editable;
+import android.text.method.ScrollingMovementMethod;
+import android.util.Log;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.RadioButton;
+import android.widget.RadioGroup;
+import android.widget.ScrollView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.android.test.soundtrigger.SoundTriggerTestService.SoundTriggerTestBinder;
+
+public class SoundTriggerTestActivity extends Activity implements SoundTriggerTestService.UserActivity {
+    private static final String TAG = "SoundTriggerTest";
+    private static final int AUDIO_PERMISSIONS_REQUEST = 1;
+
+    private SoundTriggerTestService mService = null;
+
+    private static UUID mSelectedModelUuid = null;
+
+    private Map<RadioButton, UUID> mButtonModelUuidMap;
+    private Map<UUID, RadioButton> mModelButtons;
+    private Map<UUID, String> mModelNames;
+    private List<RadioButton> mModelRadioButtons;
+
+    private TextView mDebugView = null;
+    private ScrollView mScrollView = null;
+    private Button mPlayTriggerButton = null;
+    private PowerManager.WakeLock mScreenWakelock;
+    private Handler mHandler;
+    private RadioGroup mRadioGroup;
+    private CheckBox mCaptureAudioCheckBox;
+    private Button mPlayCapturedAudioButton = null;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        // Make sure that this activity can punch through the lockscreen if needed.
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD |
+                             WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+        mDebugView = (TextView) findViewById(R.id.console);
+        mScrollView = (ScrollView) findViewById(R.id.scroller_id);
+        mRadioGroup = (RadioGroup) findViewById(R.id.model_group_id);
+        mPlayTriggerButton = (Button) findViewById(R.id.play_trigger_id);
+        mDebugView.setText(mDebugView.getText(), TextView.BufferType.EDITABLE);
+        mDebugView.setMovementMethod(new ScrollingMovementMethod());
+        mCaptureAudioCheckBox = (CheckBox) findViewById(R.id.caputre_check_box);
+        mPlayCapturedAudioButton = (Button) findViewById(R.id.play_captured_id);
+        mHandler = new Handler();
+        mButtonModelUuidMap = new HashMap();
+        mModelButtons = new HashMap();
+        mModelNames = new HashMap();
+        mModelRadioButtons = new LinkedList();
+
+        setVolumeControlStream(AudioManager.STREAM_MUSIC);
+
+        // Make sure that the service is started, so even if our activity goes down, we'll still
+        // have a request for it to run.
+        startService(new Intent(getBaseContext(), SoundTriggerTestService.class));
+
+        // Bind to SoundTriggerTestService.
+        Intent intent = new Intent(this, SoundTriggerTestService.class);
+        bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+
+        // Unbind from the service.
+        if (mService != null) {
+            mService.setUserActivity(null);
+            unbindService(mConnection);
+        }
+    }
+
+    @Override
+    public void addModel(UUID modelUuid, String name) {
+        // Create a new widget for this model, and insert everything we'd need into the map.
+        RadioButton button = new RadioButton(this);
+        mModelRadioButtons.add(button);
+        button.setText(name);
+        button.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                onRadioButtonClicked(v);
+            }
+        });
+        mButtonModelUuidMap.put(button, modelUuid);
+        mModelButtons.put(modelUuid, button);
+        mModelNames.put(modelUuid, name);
+
+        // Sort all the radio buttons by name, then push them into the group in order.
+        Collections.sort(mModelRadioButtons, new Comparator<RadioButton>(){
+            @Override
+            public int compare(RadioButton button0, RadioButton button1) {
+                return button0.getText().toString().compareTo(button1.getText().toString());
+            }
+        });
+        mRadioGroup.removeAllViews();
+        for (View v : mModelRadioButtons) {
+            mRadioGroup.addView(v);
+        }
+
+        // If we don't have something selected, select this first thing.
+        if (mSelectedModelUuid == null || mSelectedModelUuid.equals(modelUuid)) {
+            button.setChecked(true);
+            onRadioButtonClicked(button);
+        }
+    }
+
+    @Override
+    public void setModelState(UUID modelUuid, String state) {
+        runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                String newButtonText = mModelNames.get(modelUuid);
+                if (state != null) {
+                    newButtonText += ": " + state;
+                }
+                mModelButtons.get(modelUuid).setText(newButtonText);
+                updateSelectModelSpecificUiElements();
+            }
+        });
+    }
+
+    @Override
+    public void showMessage(String msg, boolean showToast) {
+        // Append the message to the text field, then show the toast if requested.
+        this.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                ((Editable) mDebugView.getText()).append(msg + "\n");
+                mScrollView.post(new Runnable() {
+                    public void run() {
+                        mScrollView.smoothScrollTo(0, mDebugView.getBottom());
+                    }
+                });
+                if (showToast) {
+                    Toast.makeText(SoundTriggerTestActivity.this, msg, Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+    }
+
+    @Override
+    public void handleDetection(UUID modelUuid) {
+        screenWakeup();
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                screenRelease();
+            }
+        }, 1000L);
+    }
+
+    private void screenWakeup() {
+        if (mScreenWakelock == null) {
+            PowerManager pm = ((PowerManager)getSystemService(POWER_SERVICE));
+            mScreenWakelock =  pm.newWakeLock(
+                    PowerManager.SCREEN_DIM_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, TAG);
+        }
+        mScreenWakelock.acquire();
+    }
+
+    private void screenRelease() {
+        mScreenWakelock.release();
+    }
+
+    public void onLoadButtonClicked(View v) {
+        if (mService == null) {
+            Log.e(TAG, "Could not load sound model: not bound to SoundTriggerTestService");
+        } else {
+            mService.loadModel(mSelectedModelUuid);
+        }
+    }
+
+    public void onUnloadButtonClicked(View v) {
+        if (mService == null) {
+           Log.e(TAG, "Can't unload model: not bound to SoundTriggerTestService");
+        } else {
+            mService.unloadModel(mSelectedModelUuid);
+        }
+    }
+
+    public void onReloadButtonClicked(View v) {
+        if (mService == null) {
+            Log.e(TAG, "Can't reload model: not bound to SoundTriggerTestService");
+        } else {
+            mService.reloadModel(mSelectedModelUuid);
+        }
+    }
+
+    public void onStartRecognitionButtonClicked(View v) {
+        if (mService == null) {
+            Log.e(TAG, "Can't start recognition: not bound to SoundTriggerTestService");
+        } else {
+            mService.startRecognition(mSelectedModelUuid);
+        }
+    }
+
+    public void onStopRecognitionButtonClicked(View v) {
+        if (mService == null) {
+            Log.e(TAG, "Can't stop recognition: not bound to SoundTriggerTestService");
+        } else {
+            mService.stopRecognition(mSelectedModelUuid);
+        }
+    }
+
+    public synchronized void onPlayTriggerButtonClicked(View v) {
+        if (mService == null) {
+            Log.e(TAG, "Can't play trigger audio: not bound to SoundTriggerTestService");
+        } else {
+            mService.playTriggerAudio(mSelectedModelUuid);
+        }
+    }
+
+    public synchronized void onCaptureAudioCheckboxClicked(View v) {
+        // See if we have the right permissions
+        if (!mService.hasMicrophonePermission()) {
+            requestPermissions(new String[]{Manifest.permission.RECORD_AUDIO},
+                    AUDIO_PERMISSIONS_REQUEST);
+            return;
+        } else {
+            mService.setCaptureAudio(mSelectedModelUuid, mCaptureAudioCheckBox.isChecked());
+        }
+    }
+
+    @Override
+    public synchronized void onRequestPermissionsResult(int requestCode, String permissions[],
+                                                        int[] grantResults) {
+        if (requestCode == AUDIO_PERMISSIONS_REQUEST) {
+            if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
+                // Make sure that the check box is set to false.
+                mCaptureAudioCheckBox.setChecked(false);
+            }
+            mService.setCaptureAudio(mSelectedModelUuid, mCaptureAudioCheckBox.isChecked());
+        }
+    }
+
+    public synchronized void onPlayCapturedAudioButtonClicked(View v) {
+        if (mService == null) {
+            Log.e(TAG, "Can't play captured audio: not bound to SoundTriggerTestService");
+        } else {
+            mService.playCapturedAudio(mSelectedModelUuid);
+        }
+    }
+
+    public synchronized void onRadioButtonClicked(View view) {
+        // Is the button now checked?
+        boolean checked = ((RadioButton) view).isChecked();
+        if (checked) {
+            mSelectedModelUuid = mButtonModelUuidMap.get(view);
+            showMessage("Selected " + mModelNames.get(mSelectedModelUuid), false);
+            updateSelectModelSpecificUiElements();
+        }
+    }
+
+    private synchronized void updateSelectModelSpecificUiElements() {
+        // Set the play trigger button to be enabled only if we actually have some audio.
+        mPlayTriggerButton.setEnabled(mService.modelHasTriggerAudio((mSelectedModelUuid)));
+        // Similar logic for the captured audio.
+        mCaptureAudioCheckBox.setChecked(
+                mService.modelWillCaptureTriggerAudio(mSelectedModelUuid));
+        mPlayCapturedAudioButton.setEnabled(mService.modelHasCapturedAudio((mSelectedModelUuid)));
+    }
+
+    private ServiceConnection mConnection = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName className, IBinder service) {
+            synchronized (SoundTriggerTestActivity.this) {
+                // We've bound to LocalService, cast the IBinder and get LocalService instance
+                SoundTriggerTestBinder binder = (SoundTriggerTestBinder) service;
+                mService = binder.getService();
+                mService.setUserActivity(SoundTriggerTestActivity.this);
+            }
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName arg0) {
+            synchronized (SoundTriggerTestActivity.this) {
+                mService.setUserActivity(null);
+                mService = null;
+            }
+        }
+    };
+}
diff --git a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerTestService.java b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerTestService.java
new file mode 100644
index 0000000..0ff95c4
--- /dev/null
+++ b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerTestService.java
@@ -0,0 +1,720 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.test.soundtrigger;
+
+import android.Manifest;
+import android.app.Service;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
+import android.media.AudioAttributes;
+import android.media.AudioFormat;
+import android.media.AudioManager;
+import android.media.AudioRecord;
+import android.media.AudioTrack;
+import android.media.MediaPlayer;
+import android.media.soundtrigger.SoundTriggerDetector;
+import android.net.Uri;
+import android.os.Binder;
+import android.os.IBinder;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Random;
+import java.util.UUID;
+
+public class SoundTriggerTestService extends Service {
+    private static final String TAG = "SoundTriggerTestSrv";
+    private static final String INTENT_ACTION = "com.android.intent.action.MANAGE_SOUND_TRIGGER";
+
+    // Binder given to clients.
+    private final IBinder mBinder;
+    private final Map<UUID, ModelInfo> mModelInfoMap;
+    private SoundTriggerUtil mSoundTriggerUtil;
+    private Random mRandom;
+    private UserActivity mUserActivity;
+
+    public interface UserActivity {
+        void addModel(UUID modelUuid, String state);
+        void setModelState(UUID modelUuid, String state);
+        void showMessage(String msg, boolean showToast);
+        void handleDetection(UUID modelUuid);
+    }
+
+    public SoundTriggerTestService() {
+        super();
+        mRandom = new Random();
+        mModelInfoMap = new HashMap();
+        mBinder = new SoundTriggerTestBinder();
+    }
+
+    @Override
+    public synchronized int onStartCommand(Intent intent, int flags, int startId) {
+        if (mModelInfoMap.isEmpty()) {
+            mSoundTriggerUtil = new SoundTriggerUtil(this);
+            loadModelsInDataDir();
+        }
+
+        // If we get killed, after returning from here, restart
+        return START_STICKY;
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(INTENT_ACTION);
+        registerReceiver(mBroadcastReceiver, filter);
+
+        // Make sure the data directory exists, and we're the owner of it.
+        try {
+            getFilesDir().mkdir();
+        } catch (Exception e) {
+            // Don't care - we either made it, or it already exists.
+        }
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        stopAllRecognitions();
+        unregisterReceiver(mBroadcastReceiver);
+    }
+
+    private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (intent != null && INTENT_ACTION.equals(intent.getAction())) {
+                String command = intent.getStringExtra("command");
+                if (command == null) {
+                    Log.e(TAG, "No 'command' specified in " + INTENT_ACTION);
+                } else {
+                    try {
+                        if (command.equals("load")) {
+                            loadModel(getModelUuidFromIntent(intent));
+                        } else if (command.equals("unload")) {
+                            unloadModel(getModelUuidFromIntent(intent));
+                        } else if (command.equals("start")) {
+                            startRecognition(getModelUuidFromIntent(intent));
+                        } else if (command.equals("stop")) {
+                            stopRecognition(getModelUuidFromIntent(intent));
+                        } else if (command.equals("play_trigger")) {
+                            playTriggerAudio(getModelUuidFromIntent(intent));
+                        } else if (command.equals("play_captured")) {
+                            playCapturedAudio(getModelUuidFromIntent(intent));
+                        } else if (command.equals("set_capture")) {
+                            setCaptureAudio(getModelUuidFromIntent(intent),
+                                    intent.getBooleanExtra("enabled", true));
+                        } else if (command.equals("set_capture_timeout")) {
+                            setCaptureAudioTimeout(getModelUuidFromIntent(intent),
+                                    intent.getIntExtra("timeout", 5000));
+                        } else {
+                            Log.e(TAG, "Unknown command '" + command + "'");
+                        }
+                    } catch (Exception e) {
+                        Log.e(TAG, "Failed to process " + command, e);
+                    }
+                }
+            }
+        }
+    };
+
+    private UUID getModelUuidFromIntent(Intent intent) {
+        // First, see if the specified the UUID straight up.
+        String value = intent.getStringExtra("modelUuid");
+        if (value != null) {
+            return UUID.fromString(value);
+        }
+
+        // If they specified a name, use that to iterate through the map of models and find it.
+        value = intent.getStringExtra("name");
+        if (value != null) {
+            for (ModelInfo modelInfo : mModelInfoMap.values()) {
+                if (value.equals(modelInfo.name)) {
+                    return modelInfo.modelUuid;
+                }
+            }
+            Log.e(TAG, "Failed to find a matching model with name '" + value + "'");
+        }
+
+        // We couldn't figure out what they were asking for.
+        throw new RuntimeException("Failed to get model from intent - specify either " +
+                "'modelUuid' or 'name'");
+    }
+
+    /**
+     * Will be called when the service is killed (through swipe aways, not if we're force killed).
+     */
+    @Override
+    public void onTaskRemoved(Intent rootIntent) {
+        super.onTaskRemoved(rootIntent);
+        stopAllRecognitions();
+        stopSelf();
+    }
+
+    @Override
+    public synchronized IBinder onBind(Intent intent) {
+        return mBinder;
+    }
+
+    public class SoundTriggerTestBinder extends Binder {
+        SoundTriggerTestService getService() {
+            // Return instance of our parent so clients can call public methods.
+            return SoundTriggerTestService.this;
+        }
+    }
+
+    public synchronized void setUserActivity(UserActivity activity) {
+        mUserActivity = activity;
+        if (mUserActivity != null) {
+            for (Map.Entry<UUID, ModelInfo> entry : mModelInfoMap.entrySet()) {
+                mUserActivity.addModel(entry.getKey(), entry.getValue().name);
+                mUserActivity.setModelState(entry.getKey(), entry.getValue().state);
+            }
+        }
+    }
+
+    private synchronized void stopAllRecognitions() {
+        for (ModelInfo modelInfo : mModelInfoMap.values()) {
+            if (modelInfo.detector != null) {
+                Log.i(TAG, "Stopping recognition for " + modelInfo.name);
+                try {
+                    modelInfo.detector.stopRecognition();
+                } catch (Exception e) {
+                    Log.e(TAG, "Failed to stop recognition", e);
+                }
+            }
+        }
+    }
+
+    // Helper struct for holding information about a model.
+    public static class ModelInfo {
+        public String name;
+        public String state;
+        public UUID modelUuid;
+        public UUID vendorUuid;
+        public MediaPlayer triggerAudioPlayer;
+        public SoundTriggerDetector detector;
+        public byte modelData[];
+        public boolean captureAudio;
+        public int captureAudioMs;
+        public AudioTrack captureAudioTrack;
+    }
+
+    private GenericSoundModel createNewSoundModel(ModelInfo modelInfo) {
+        return new GenericSoundModel(modelInfo.modelUuid, modelInfo.vendorUuid,
+                modelInfo.modelData);
+    }
+
+    public synchronized void loadModel(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+
+        postMessage("Loading model: " + modelInfo.name);
+
+        GenericSoundModel soundModel = createNewSoundModel(modelInfo);
+
+        boolean status = mSoundTriggerUtil.addOrUpdateSoundModel(soundModel);
+        if (status) {
+            postToast("Successfully loaded " + modelInfo.name + ", UUID=" + soundModel.uuid);
+            setModelState(modelInfo, "Loaded");
+        } else {
+            postErrorToast("Failed to load " + modelInfo.name + ", UUID=" + soundModel.uuid + "!");
+            setModelState(modelInfo, "Failed to load");
+        }
+    }
+
+    public synchronized void unloadModel(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+
+        postMessage("Unloading model: " + modelInfo.name);
+
+        GenericSoundModel soundModel = mSoundTriggerUtil.getSoundModel(modelUuid);
+        if (soundModel == null) {
+            postErrorToast("Sound model not found for " + modelInfo.name + "!");
+            return;
+        }
+        modelInfo.detector = null;
+        boolean status = mSoundTriggerUtil.deleteSoundModel(modelUuid);
+        if (status) {
+            postToast("Successfully unloaded " + modelInfo.name + ", UUID=" + soundModel.uuid);
+            setModelState(modelInfo, "Unloaded");
+        } else {
+            postErrorToast("Failed to unload " +
+                    modelInfo.name + ", UUID=" + soundModel.uuid + "!");
+            setModelState(modelInfo, "Failed to unload");
+        }
+    }
+
+    public synchronized void reloadModel(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+        postMessage("Reloading model: " + modelInfo.name);
+        GenericSoundModel soundModel = mSoundTriggerUtil.getSoundModel(modelUuid);
+        if (soundModel == null) {
+            postErrorToast("Sound model not found for " + modelInfo.name + "!");
+            return;
+        }
+        GenericSoundModel updated = createNewSoundModel(modelInfo);
+        boolean status = mSoundTriggerUtil.addOrUpdateSoundModel(updated);
+        if (status) {
+            postToast("Successfully reloaded " + modelInfo.name + ", UUID=" + modelInfo.modelUuid);
+            setModelState(modelInfo, "Reloaded");
+        } else {
+            postErrorToast("Failed to reload "
+                    + modelInfo.name + ", UUID=" + modelInfo.modelUuid + "!");
+            setModelState(modelInfo, "Failed to reload");
+        }
+    }
+
+    public synchronized void startRecognition(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+
+        if (modelInfo.detector == null) {
+            postMessage("Creating SoundTriggerDetector for " + modelInfo.name);
+            modelInfo.detector = mSoundTriggerUtil.createSoundTriggerDetector(
+                    modelUuid, new DetectorCallback(modelInfo));
+        }
+
+        postMessage("Starting recognition for " + modelInfo.name + ", UUID=" + modelInfo.modelUuid);
+        if (modelInfo.detector.startRecognition(modelInfo.captureAudio ?
+                SoundTriggerDetector.RECOGNITION_FLAG_CAPTURE_TRIGGER_AUDIO :
+                SoundTriggerDetector.RECOGNITION_FLAG_ALLOW_MULTIPLE_TRIGGERS)) {
+            setModelState(modelInfo, "Started");
+        } else {
+            postErrorToast("Fast failure attempting to start recognition for " +
+                    modelInfo.name + ", UUID=" + modelInfo.modelUuid);
+            setModelState(modelInfo, "Failed to start");
+        }
+    }
+
+    public synchronized void stopRecognition(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+
+        if (modelInfo.detector == null) {
+            postErrorToast("Stop called on null detector for " +
+                    modelInfo.name + ", UUID=" + modelInfo.modelUuid);
+            return;
+        }
+        postMessage("Triggering stop recognition for " +
+                modelInfo.name + ", UUID=" + modelInfo.modelUuid);
+        if (modelInfo.detector.stopRecognition()) {
+            setModelState(modelInfo, "Stopped");
+        } else {
+            postErrorToast("Fast failure attempting to stop recognition for " +
+                    modelInfo.name + ", UUID=" + modelInfo.modelUuid);
+            setModelState(modelInfo, "Failed to stop");
+        }
+    }
+
+    public synchronized void playTriggerAudio(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+        if (modelInfo.triggerAudioPlayer != null) {
+            postMessage("Playing trigger audio for " + modelInfo.name);
+            modelInfo.triggerAudioPlayer.start();
+        } else {
+            postMessage("No trigger audio for " + modelInfo.name);
+        }
+    }
+
+    public synchronized void playCapturedAudio(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+        if (modelInfo.captureAudioTrack != null) {
+            postMessage("Playing captured audio for " + modelInfo.name);
+            modelInfo.captureAudioTrack.stop();
+            modelInfo.captureAudioTrack.reloadStaticData();
+            modelInfo.captureAudioTrack.play();
+        } else {
+            postMessage("No captured audio for " + modelInfo.name);
+        }
+    }
+
+    public synchronized void setCaptureAudioTimeout(UUID modelUuid, int captureTimeoutMs) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+        modelInfo.captureAudioMs = captureTimeoutMs;
+        Log.i(TAG, "Set " + modelInfo.name + " capture audio timeout to " +
+                captureTimeoutMs + "ms");
+    }
+
+    public synchronized void setCaptureAudio(UUID modelUuid, boolean captureAudio) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        if (modelInfo == null) {
+            postError("Could not find model for: " + modelUuid.toString());
+            return;
+        }
+        modelInfo.captureAudio = captureAudio;
+        Log.i(TAG, "Set " + modelInfo.name + " capture audio to " + captureAudio);
+    }
+
+    public synchronized boolean hasMicrophonePermission() {
+        return getBaseContext().checkSelfPermission(Manifest.permission.RECORD_AUDIO)
+                == PackageManager.PERMISSION_GRANTED;
+    }
+
+    public synchronized boolean modelHasTriggerAudio(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        return modelInfo != null && modelInfo.triggerAudioPlayer != null;
+    }
+
+    public synchronized boolean modelWillCaptureTriggerAudio(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        return modelInfo != null && modelInfo.captureAudio;
+    }
+
+    public synchronized boolean modelHasCapturedAudio(UUID modelUuid) {
+        ModelInfo modelInfo = mModelInfoMap.get(modelUuid);
+        return modelInfo != null && modelInfo.captureAudioTrack != null;
+    }
+
+    private void loadModelsInDataDir() {
+        // Load all the models in the data dir.
+        boolean loadedModel = false;
+        for (File file : getFilesDir().listFiles()) {
+            // Find meta-data in .properties files, ignore everything else.
+            if (!file.getName().endsWith(".properties")) {
+                continue;
+            }
+            try {
+                Properties properties = new Properties();
+                properties.load(new FileInputStream(file));
+                createModelInfo(properties);
+                loadedModel = true;
+            } catch (Exception e) {
+                Log.e(TAG, "Failed to load properties file " + file.getName());
+            }
+        }
+
+        // Create a few dummy models if we didn't load anything.
+        if (!loadedModel) {
+            Properties dummyModelProperties = new Properties();
+            for (String name : new String[]{"1", "2", "3"}) {
+                dummyModelProperties.setProperty("name", "Model " + name);
+                createModelInfo(dummyModelProperties);
+            }
+        }
+    }
+
+    /** Parses a Properties collection to generate a sound model.
+     *
+     * Missing keys are filled in with default/random values.
+     * @param properties Has the required 'name' property, but the remaining 'modelUuid',
+     *                   'vendorUuid', 'triggerAudio', and 'dataFile' optional properties.
+     *
+     */
+    private synchronized void createModelInfo(Properties properties) {
+        try {
+            ModelInfo modelInfo = new ModelInfo();
+
+            if (!properties.containsKey("name")) {
+                throw new RuntimeException("must have a 'name' property");
+            }
+            modelInfo.name = properties.getProperty("name");
+
+            if (properties.containsKey("modelUuid")) {
+                modelInfo.modelUuid = UUID.fromString(properties.getProperty("modelUuid"));
+            } else {
+                modelInfo.modelUuid = UUID.randomUUID();
+            }
+
+            if (properties.containsKey("vendorUuid")) {
+                modelInfo.vendorUuid = UUID.fromString(properties.getProperty("vendorUuid"));
+            } else {
+                modelInfo.vendorUuid = UUID.randomUUID();
+            }
+
+            if (properties.containsKey("triggerAudio")) {
+                modelInfo.triggerAudioPlayer = MediaPlayer.create(this, Uri.parse(
+                        getFilesDir().getPath() + "/" + properties.getProperty("triggerAudio")));
+                if (modelInfo.triggerAudioPlayer.getDuration() == 0) {
+                    modelInfo.triggerAudioPlayer.release();
+                    modelInfo.triggerAudioPlayer = null;
+                }
+            }
+
+            if (properties.containsKey("dataFile")) {
+                File modelDataFile = new File(
+                        getFilesDir().getPath() + "/" + properties.getProperty("dataFile"));
+                modelInfo.modelData = new byte[(int) modelDataFile.length()];
+                FileInputStream input = new FileInputStream(modelDataFile);
+                input.read(modelInfo.modelData, 0, modelInfo.modelData.length);
+            } else {
+                modelInfo.modelData = new byte[1024];
+                mRandom.nextBytes(modelInfo.modelData);
+            }
+
+            modelInfo.captureAudioMs = Integer.parseInt((String) properties.getOrDefault(
+                    "captureAudioDurationMs", "5000"));
+
+            // TODO: Add property support for keyphrase models when they're exposed by the
+            // service.
+
+            // Update our maps containing the button -> id and id -> modelInfo.
+            mModelInfoMap.put(modelInfo.modelUuid, modelInfo);
+            if (mUserActivity != null) {
+                mUserActivity.addModel(modelInfo.modelUuid, modelInfo.name);
+                mUserActivity.setModelState(modelInfo.modelUuid, modelInfo.state);
+            }
+        } catch (IOException e) {
+            Log.e(TAG, "Error parsing properties for " + properties.getProperty("name"), e);
+        }
+    }
+
+    private class CaptureAudioRecorder implements Runnable {
+        private final ModelInfo mModelInfo;
+        private final SoundTriggerDetector.EventPayload mEvent;
+
+        public CaptureAudioRecorder(ModelInfo modelInfo, SoundTriggerDetector.EventPayload event) {
+            mModelInfo = modelInfo;
+            mEvent = event;
+        }
+
+        @Override
+        public void run() {
+            AudioFormat format = mEvent.getCaptureAudioFormat();
+            if (format == null) {
+                postErrorToast("No audio format in recognition event.");
+                return;
+            }
+
+            AudioRecord audioRecord = null;
+            AudioTrack playbackTrack = null;
+            try {
+                // Inform the audio flinger that we really do want the stream from the soundtrigger.
+                AudioAttributes.Builder attributesBuilder = new AudioAttributes.Builder();
+                attributesBuilder.setInternalCapturePreset(1999);
+                AudioAttributes attributes = attributesBuilder.build();
+
+                // Make sure we understand this kind of playback so we know how many bytes to read.
+                String encoding;
+                int bytesPerSample;
+                switch (format.getEncoding()) {
+                    case AudioFormat.ENCODING_PCM_8BIT:
+                        encoding = "8bit";
+                        bytesPerSample = 1;
+                        break;
+                    case AudioFormat.ENCODING_PCM_16BIT:
+                        encoding = "16bit";
+                        bytesPerSample = 2;
+                        break;
+                    case AudioFormat.ENCODING_PCM_FLOAT:
+                        encoding = "float";
+                        bytesPerSample = 4;
+                        break;
+                    default:
+                        throw new RuntimeException("Unhandled audio format in event");
+                }
+
+                int bytesRequired = format.getSampleRate() * format.getChannelCount() *
+                        bytesPerSample * mModelInfo.captureAudioMs / 1000;
+                int minBufferSize = AudioRecord.getMinBufferSize(
+                        format.getSampleRate(), format.getChannelMask(), format.getEncoding());
+                if (minBufferSize > bytesRequired) {
+                    bytesRequired = minBufferSize;
+                }
+
+                // Make an AudioTrack so we can play the data back out after it's finished
+                // recording.
+                try {
+                    int channelConfig = AudioFormat.CHANNEL_OUT_MONO;
+                    if (format.getChannelCount() == 2) {
+                        channelConfig = AudioFormat.CHANNEL_OUT_STEREO;
+                    } else if (format.getChannelCount() >= 3) {
+                        throw new RuntimeException(
+                                "Too many channels in captured audio for playback");
+                    }
+
+                    playbackTrack = new AudioTrack(AudioManager.STREAM_MUSIC,
+                            format.getSampleRate(), channelConfig, format.getEncoding(),
+                            bytesRequired, AudioTrack.MODE_STATIC);
+                } catch (Exception e) {
+                    Log.e(TAG, "Exception creating playback track", e);
+                    postErrorToast("Failed to create playback track: " + e.getMessage());
+                }
+
+                audioRecord = new AudioRecord(attributes, format, bytesRequired,
+                        mEvent.getCaptureSession());
+
+                byte[] buffer = new byte[bytesRequired];
+
+                // Create a file so we can save the output data there for analysis later.
+                FileOutputStream fos  = null;
+                try {
+                    fos = new FileOutputStream( new File(
+                            getFilesDir() + File.separator + mModelInfo.name.replace(' ', '_') +
+                                    "_capture_" + format.getChannelCount() + "ch_" +
+                                    format.getSampleRate() + "hz_" + encoding + ".pcm"));
+                } catch (IOException e) {
+                    Log.e(TAG, "Failed to open output for saving PCM data", e);
+                    postErrorToast("Failed to open output for saving PCM data: " + e.getMessage());
+                }
+
+                // Inform the user we're recording.
+                setModelState(mModelInfo, "Recording");
+                audioRecord.startRecording();
+                while (bytesRequired > 0) {
+                    int bytesRead = audioRecord.read(buffer, 0, buffer.length);
+                    if (bytesRead == -1) {
+                        break;
+                    }
+                    if (fos != null) {
+                        fos.write(buffer, 0, bytesRead);
+                    }
+                    if (playbackTrack != null) {
+                        playbackTrack.write(buffer, 0, bytesRead);
+                    }
+                    bytesRequired -= bytesRead;
+                }
+                audioRecord.stop();
+            } catch (Exception e) {
+                Log.e(TAG, "Error recording trigger audio", e);
+                postErrorToast("Error recording trigger audio: " + e.getMessage());
+            } finally {
+                if (audioRecord != null) {
+                    audioRecord.release();
+                }
+                synchronized (SoundTriggerTestService.this) {
+                    if (mModelInfo.captureAudioTrack != null) {
+                        mModelInfo.captureAudioTrack.release();
+                    }
+                    mModelInfo.captureAudioTrack = playbackTrack;
+                }
+                setModelState(mModelInfo, "Recording finished");
+            }
+        }
+    }
+
+    // Implementation of SoundTriggerDetector.Callback.
+    private class DetectorCallback extends SoundTriggerDetector.Callback {
+        private final ModelInfo mModelInfo;
+
+        public DetectorCallback(ModelInfo modelInfo) {
+            mModelInfo = modelInfo;
+        }
+
+        public void onAvailabilityChanged(int status) {
+            postMessage(mModelInfo.name + "Availability changed to: " + status);
+        }
+
+        public void onDetected(SoundTriggerDetector.EventPayload event) {
+            postMessage(mModelInfo.name + "onDetected(): " + eventPayloadToString(event));
+            synchronized (SoundTriggerTestService.this) {
+                if (mUserActivity != null) {
+                    mUserActivity.handleDetection(mModelInfo.modelUuid);
+                }
+                if (mModelInfo.captureAudio) {
+                    new Thread(new CaptureAudioRecorder(mModelInfo, event)).start();
+                }
+            }
+        }
+
+        public void onError() {
+            postMessage(mModelInfo.name + "onError()");
+            setModelState(mModelInfo, "Error");
+        }
+
+        public void onRecognitionPaused() {
+            postMessage(mModelInfo.name + " onRecognitionPaused()");
+            setModelState(mModelInfo, "Paused");
+        }
+
+        public void onRecognitionResumed() {
+            postMessage(mModelInfo.name + "onRecognitionResumed()");
+            setModelState(mModelInfo, "Resumed");
+        }
+    }
+
+    private String eventPayloadToString(SoundTriggerDetector.EventPayload event) {
+        String result = "EventPayload(";
+        AudioFormat format =  event.getCaptureAudioFormat();
+        result = result + "AudioFormat: " + ((format == null) ? "null" : format.toString());
+        byte[] triggerAudio = event.getTriggerAudio();
+        result = result + "TriggerAudio: " + (triggerAudio == null ? "null" : triggerAudio.length);
+        result = result + "CaptureSession: " + event.getCaptureSession();
+        result += " )";
+        return result;
+    }
+
+    private void postMessage(String msg) {
+        showMessage(msg, Log.INFO, false);
+    }
+
+    private void postError(String msg) {
+        showMessage(msg, Log.ERROR, false);
+    }
+
+    private void postToast(String msg) {
+        showMessage(msg, Log.INFO, true);
+    }
+
+    private void postErrorToast(String msg) {
+        showMessage(msg, Log.ERROR, true);
+    }
+
+    /** Logs the message at the specified level, then forwards it to the activity if present. */
+    private synchronized void showMessage(String msg, int logLevel, boolean showToast) {
+        Log.println(logLevel, TAG, msg);
+        if (mUserActivity != null) {
+            mUserActivity.showMessage(msg, showToast);
+        }
+    }
+
+    private synchronized void setModelState(ModelInfo modelInfo, String state) {
+        modelInfo.state = state;
+        if (mUserActivity != null) {
+            mUserActivity.setModelState(modelInfo.modelUuid, modelInfo.state);
+        }
+    }
+}
diff --git a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerUtil.java b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerUtil.java
index 1c95c25..8e5ed32 100644
--- a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerUtil.java
+++ b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/SoundTriggerUtil.java
@@ -18,7 +18,6 @@
 
 import android.annotation.Nullable;
 import android.content.Context;
-import android.hardware.soundtrigger.SoundTrigger;
 import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
 import android.media.soundtrigger.SoundTriggerDetector;
 import android.media.soundtrigger.SoundTriggerManager;
@@ -36,7 +35,7 @@
  * Utility class for the managing sound trigger sound models.
  */
 public class SoundTriggerUtil {
-    private static final String TAG = "TestSoundTriggerUtil:Hotsound";
+    private static final String TAG = "SoundTriggerTestUtil";
 
     private final ISoundTriggerService mSoundTriggerService;
     private final SoundTriggerManager mSoundTriggerManager;
@@ -68,10 +67,6 @@
         return true;
     }
 
-    public void addOrUpdateSoundModel(SoundTriggerManager.Model soundModel) {
-        mSoundTriggerManager.updateModel(soundModel);
-    }
-
     /**
      * Gets the sound model for the given keyphrase, null if none exists.
      * If a sound model for a given keyphrase exists, and it needs to be updated,
@@ -91,7 +86,7 @@
         }
 
         if (model == null) {
-            Log.w(TAG, "No models present for the gien keyphrase ID");
+            Log.w(TAG, "No models present for the given keyphrase ID");
             return null;
         } else {
             return model;
@@ -109,18 +104,14 @@
         try {
             mSoundTriggerService.deleteSoundModel(new ParcelUuid(modelId));
         } catch (RemoteException e) {
-            Log.e(TAG, "RemoteException in updateSoundModel");
+            Log.e(TAG, "RemoteException in deleteSoundModel");
+            return false;
         }
         return true;
     }
 
-    public void deleteSoundModelUsingManager(UUID modelId) {
-            mSoundTriggerManager.deleteModel(modelId);
-    }
-
     public SoundTriggerDetector createSoundTriggerDetector(UUID modelId,
             SoundTriggerDetector.Callback callback) {
         return mSoundTriggerManager.createSoundTriggerDetector(modelId, callback, null);
     }
-
 }
diff --git a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java b/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
deleted file mode 100644
index 5fd38e9..0000000
--- a/tests/SoundTriggerTestApp/src/com/android/test/soundtrigger/TestSoundTriggerActivity.java
+++ /dev/null
@@ -1,400 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.test.soundtrigger;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Properties;
-import java.util.Random;
-import java.util.UUID;
-
-import android.app.Activity;
-import android.hardware.soundtrigger.SoundTrigger.GenericSoundModel;
-import android.hardware.soundtrigger.SoundTrigger;
-import android.media.AudioFormat;
-import android.media.AudioManager;
-import android.media.MediaPlayer;
-import android.media.soundtrigger.SoundTriggerDetector;
-import android.media.soundtrigger.SoundTriggerManager;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.PowerManager;
-import android.os.UserManager;
-import android.text.Editable;
-import android.text.method.ScrollingMovementMethod;
-import android.util.Log;
-import android.view.View;
-import android.widget.Button;
-import android.widget.RadioButton;
-import android.widget.RadioButton;
-import android.widget.RadioGroup;
-import android.widget.ScrollView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-public class TestSoundTriggerActivity extends Activity {
-    private static final String TAG = "TestSoundTriggerActivity";
-    private static final boolean DBG = false;
-
-    private SoundTriggerUtil mSoundTriggerUtil;
-    private Random mRandom;
-
-    private Map<Integer, ModelInfo> mModelInfoMap;
-    private Map<View, Integer> mModelIdMap;
-
-    private TextView mDebugView = null;
-    private int mSelectedModelId = -1;
-    private ScrollView mScrollView = null;
-    private Button mPlayTriggerButton = null;
-    private PowerManager.WakeLock mScreenWakelock;
-    private Handler mHandler;
-    private RadioGroup mRadioGroup;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        if (DBG) Log.d(TAG, "onCreate");
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.main);
-        mDebugView = (TextView) findViewById(R.id.console);
-        mScrollView = (ScrollView) findViewById(R.id.scroller_id);
-        mRadioGroup = (RadioGroup) findViewById(R.id.model_group_id);
-        mPlayTriggerButton = (Button) findViewById(R.id.play_trigger_id);
-        mDebugView.setText(mDebugView.getText(), TextView.BufferType.EDITABLE);
-        mDebugView.setMovementMethod(new ScrollingMovementMethod());
-        mSoundTriggerUtil = new SoundTriggerUtil(this);
-        mRandom = new Random();
-        mHandler = new Handler();
-
-        mModelInfoMap = new HashMap();
-        mModelIdMap = new HashMap();
-
-        setVolumeControlStream(AudioManager.STREAM_MUSIC);
-
-        // Load all the models in the data dir.
-        for (File file : getFilesDir().listFiles()) {
-            // Find meta-data in .properties files, ignore everything else.
-            if (!file.getName().endsWith(".properties")) {
-                continue;
-            }
-            try {
-                Properties properties = new Properties();
-                properties.load(new FileInputStream(file));
-                createModelInfoAndWidget(properties);
-            } catch (Exception e) {
-                Log.e(TAG, "Failed to load properties file " + file.getName());
-            }
-        }
-
-        // Create a few dummy models if we didn't load anything.
-        if (mModelIdMap.isEmpty()) {
-            Properties dummyModelProperties = new Properties();
-            for (String name : new String[]{"One", "Two", "Three"}) {
-                dummyModelProperties.setProperty("name", "Model " + name);
-                createModelInfoAndWidget(dummyModelProperties);
-            }
-        }
-    }
-
-    private void createModelInfoAndWidget(Properties properties) {
-        try {
-            ModelInfo modelInfo = new ModelInfo();
-
-            if (!properties.containsKey("name")) {
-                throw new RuntimeException("must have a 'name' property");
-            }
-            modelInfo.name = properties.getProperty("name");
-
-            if (properties.containsKey("modelUuid")) {
-                modelInfo.modelUuid = UUID.fromString(properties.getProperty("modelUuid"));
-            } else {
-                modelInfo.modelUuid = UUID.randomUUID();
-            }
-
-            if (properties.containsKey("vendorUuid")) {
-                modelInfo.vendorUuid = UUID.fromString(properties.getProperty("vendorUuid"));
-            } else {
-                modelInfo.vendorUuid = UUID.randomUUID();
-            }
-
-            if (properties.containsKey("triggerAudio")) {
-                modelInfo.triggerAudioPlayer = MediaPlayer.create(this, Uri.parse(
-                        getFilesDir().getPath() + "/" + properties.getProperty("triggerAudio")));
-            }
-
-            if (properties.containsKey("dataFile")) {
-                File modelDataFile = new File(
-                        getFilesDir().getPath() + "/" + properties.getProperty("dataFile"));
-                modelInfo.modelData = new byte[(int) modelDataFile.length()];
-                FileInputStream input = new FileInputStream(modelDataFile);
-                input.read(modelInfo.modelData, 0, modelInfo.modelData.length);
-            } else {
-                modelInfo.modelData = new byte[1024];
-                mRandom.nextBytes(modelInfo.modelData);
-            }
-
-            // TODO: Add property support for keyphrase models when they're exposed by the
-            // service. Also things like how much audio they should record with the capture session
-            // provided in the callback.
-
-            // Add a widget into the radio group.
-            RadioButton button = new RadioButton(this);
-            mRadioGroup.addView(button);
-            button.setText(modelInfo.name);
-            button.setOnClickListener(new View.OnClickListener() {
-                public void onClick(View v) {
-                    onRadioButtonClicked(v);
-                }
-            });
-
-            // Update our maps containing the button -> id and id -> modelInfo.
-            int newModelId = mModelIdMap.size() + 1;
-            mModelIdMap.put(button, newModelId);
-            mModelInfoMap.put(newModelId, modelInfo);
-
-            // If we don't have something selected, select this first thing.
-            if (mSelectedModelId < 0) {
-                button.setChecked(true);
-                onRadioButtonClicked(button);
-            }
-        } catch (IOException e) {
-            Log.e(TAG, "Error parsing properties for " + properties.getProperty("name"), e);
-        }
-    }
-
-    private void postMessage(String msg) {
-        Log.i(TAG, "Posted: " + msg);
-        ((Editable) mDebugView.getText()).append(msg + "\n");
-        if ((mDebugView.getMeasuredHeight() - mScrollView.getScrollY()) <=
-                (mScrollView.getHeight() + mDebugView.getLineHeight())) {
-            scrollToBottom();
-        }
-    }
-
-    private void scrollToBottom() {
-        mScrollView.post(new Runnable() {
-            public void run() {
-                mScrollView.smoothScrollTo(0, mDebugView.getBottom());
-            }
-        });
-    }
-
-    private synchronized UUID getSelectedUuid() {
-        return mModelInfoMap.get(mSelectedModelId).modelUuid;
-    }
-
-    private synchronized void setDetector(SoundTriggerDetector detector) {
-        mModelInfoMap.get(mSelectedModelId).detector = detector;
-    }
-
-    private synchronized SoundTriggerDetector getDetector() {
-        return mModelInfoMap.get(mSelectedModelId).detector;
-    }
-
-    private void screenWakeup() {
-        PowerManager pm = ((PowerManager)getSystemService(POWER_SERVICE));
-        if (mScreenWakelock == null) {
-            mScreenWakelock =  pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "TAG");
-        }
-        mScreenWakelock.acquire();
-    }
-
-    private void screenRelease() {
-        PowerManager pm = ((PowerManager)getSystemService(POWER_SERVICE));
-        mScreenWakelock.release();
-    }
-
-    /** TODO: Should return the abstract sound model that can be then sent to the service. */
-    private GenericSoundModel createNewSoundModel() {
-        ModelInfo modelInfo = mModelInfoMap.get(mSelectedModelId);
-        return new GenericSoundModel(modelInfo.modelUuid, modelInfo.vendorUuid,
-                modelInfo.modelData);
-    }
-
-    /**
-     * Called when the user clicks the enroll button.
-     * Performs a fresh enrollment.
-     */
-    public void onEnrollButtonClicked(View v) {
-        postMessage("Loading model: " + mSelectedModelId);
-
-        GenericSoundModel model = createNewSoundModel();
-
-        boolean status = mSoundTriggerUtil.addOrUpdateSoundModel(model);
-        if (status) {
-            Toast.makeText(
-                    this, "Successfully created sound trigger model UUID=" + model.uuid,
-                    Toast.LENGTH_SHORT).show();
-        } else {
-            Toast.makeText(this, "Failed to enroll!!!" + model.uuid, Toast.LENGTH_SHORT).show();
-        }
-
-        // Test the SoundManager API.
-    }
-
-    /**
-     * Called when the user clicks the un-enroll button.
-     * Clears the enrollment information for the user.
-     */
-    public void onUnEnrollButtonClicked(View v) {
-        postMessage("Unloading model: " + mSelectedModelId);
-        UUID modelUuid = getSelectedUuid();
-        GenericSoundModel soundModel = mSoundTriggerUtil.getSoundModel(modelUuid);
-        if (soundModel == null) {
-            Toast.makeText(this, "Sound model not found!!!", Toast.LENGTH_SHORT).show();
-            return;
-        }
-        boolean status = mSoundTriggerUtil.deleteSoundModel(modelUuid);
-        if (status) {
-            Toast.makeText(this, "Successfully deleted model UUID=" + soundModel.uuid,
-                    Toast.LENGTH_SHORT)
-                    .show();
-        } else {
-            Toast.makeText(this, "Failed to delete sound model!!!", Toast.LENGTH_SHORT).show();
-        }
-    }
-
-    /**
-     * Called when the user clicks the re-enroll button.
-     * Uses the previously enrolled sound model and makes changes to it before pushing it back.
-     */
-    public void onReEnrollButtonClicked(View v) {
-        postMessage("Re-loading model: " + mSelectedModelId);
-        UUID modelUuid = getSelectedUuid();
-        GenericSoundModel soundModel = mSoundTriggerUtil.getSoundModel(modelUuid);
-        if (soundModel == null) {
-            Toast.makeText(this, "Sound model not found!!!", Toast.LENGTH_SHORT).show();
-            return;
-        }
-        GenericSoundModel updated = createNewSoundModel();
-        boolean status = mSoundTriggerUtil.addOrUpdateSoundModel(updated);
-        if (status) {
-            Toast.makeText(this, "Successfully re-enrolled, model UUID=" + updated.uuid,
-                    Toast.LENGTH_SHORT)
-                    .show();
-        } else {
-            Toast.makeText(this, "Failed to re-enroll!!!", Toast.LENGTH_SHORT).show();
-        }
-    }
-
-    public void onStartRecognitionButtonClicked(View v) {
-        UUID modelUuid = getSelectedUuid();
-        SoundTriggerDetector detector = getDetector();
-        if (detector == null) {
-            Log.i(TAG, "Created an instance of the SoundTriggerDetector for model #" +
-                    mSelectedModelId);
-            postMessage("Created an instance of the SoundTriggerDetector for model #" +
-                    mSelectedModelId);
-            detector = mSoundTriggerUtil.createSoundTriggerDetector(modelUuid,
-                    new DetectorCallback());
-            setDetector(detector);
-        }
-        postMessage("Triggering start recognition for model: " + mSelectedModelId);
-        if (!detector.startRecognition(
-                SoundTriggerDetector.RECOGNITION_FLAG_ALLOW_MULTIPLE_TRIGGERS)) {
-            Log.e(TAG, "Fast failure attempting to start recognition.");
-            postMessage("Fast failure attempting to start recognition:" + mSelectedModelId);
-        }
-    }
-
-    public void onStopRecognitionButtonClicked(View v) {
-        SoundTriggerDetector detector = getDetector();
-        if (detector == null) {
-            Log.e(TAG, "Stop called on null detector.");
-            postMessage("Error: Stop called on null detector.");
-            return;
-        }
-        postMessage("Triggering stop recognition for model: " + mSelectedModelId);
-        if (!detector.stopRecognition()) {
-            Log.e(TAG, "Fast failure attempting to stop recognition.");
-            postMessage("Fast failure attempting to stop recognition: " + mSelectedModelId);
-        }
-    }
-
-    public synchronized void onRadioButtonClicked(View view) {
-        // Is the button now checked?
-        boolean checked = ((RadioButton) view).isChecked();
-        if (checked) {
-            mSelectedModelId = mModelIdMap.get(view);
-            ModelInfo modelInfo = mModelInfoMap.get(mSelectedModelId);
-            postMessage("Selected " + modelInfo.name);
-
-            // Set the play trigger button to be enabled only if we actually have some audio.
-            mPlayTriggerButton.setEnabled(modelInfo.triggerAudioPlayer != null);
-        }
-    }
-
-    public synchronized void onPlayTriggerButtonClicked(View v) {
-        ModelInfo modelInfo = mModelInfoMap.get(mSelectedModelId);
-        modelInfo.triggerAudioPlayer.start();
-        postMessage("Playing trigger audio for " + modelInfo.name);
-    }
-
-    // Helper struct for holding information about a model.
-    private static class ModelInfo {
-      public String name;
-      public UUID modelUuid;
-      public UUID vendorUuid;
-      public MediaPlayer triggerAudioPlayer;
-      public SoundTriggerDetector detector;
-      public byte modelData[];
-    };
-
-    // Implementation of SoundTriggerDetector.Callback.
-    public class DetectorCallback extends SoundTriggerDetector.Callback {
-        public void onAvailabilityChanged(int status) {
-            postMessage("Availability changed to: " + status);
-        }
-
-        public void onDetected(SoundTriggerDetector.EventPayload event) {
-            postMessage("onDetected(): " + eventPayloadToString(event));
-            screenWakeup();
-            mHandler.postDelayed(new Runnable() {
-                @Override
-                public void run() {
-                   screenRelease();
-                }
-            }, 1000L);
-        }
-
-        public void onError() {
-            postMessage("onError()");
-        }
-
-        public void onRecognitionPaused() {
-            postMessage("onRecognitionPaused()");
-        }
-
-        public void onRecognitionResumed() {
-            postMessage("onRecognitionResumed()");
-        }
-    }
-
-    private String eventPayloadToString(SoundTriggerDetector.EventPayload event) {
-        String result = "EventPayload(";
-        AudioFormat format =  event.getCaptureAudioFormat();
-        result = result + "AudioFormat: " + ((format == null) ? "null" : format.toString());
-        byte[] triggerAudio = event.getTriggerAudio();
-        result = result + "TriggerAudio: " + (triggerAudio == null ? "null" : triggerAudio.length);
-        result = result + "CaptureSession: " + event.getCaptureSession();
-        result += " )";
-        return result;
-    }
-}
diff --git a/tests/UiBench/src/com/android/test/uibench/MainActivity.java b/tests/UiBench/src/com/android/test/uibench/MainActivity.java
index 2111274..79837b6 100644
--- a/tests/UiBench/src/com/android/test/uibench/MainActivity.java
+++ b/tests/UiBench/src/com/android/test/uibench/MainActivity.java
@@ -38,6 +38,23 @@
     private static final String EXTRA_PATH = "activity_path";
     private static final String CATEGORY_HWUI_TEST = "com.android.test.uibench.TEST";
 
+    public static class TestListFragment extends ListFragment {
+        @Override
+        @SuppressWarnings("unchecked")
+        public void onListItemClick(ListView l, View v, int position, long id) {
+            Map<String, Object> map = (Map<String, Object>)l.getItemAtPosition(position);
+
+            Intent intent = (Intent) map.get("intent");
+            startActivity(intent);
+        }
+
+        @Override
+        public void onViewCreated(View view, Bundle savedInstanceState) {
+            super.onViewCreated(view, savedInstanceState);
+            getListView().setTextFilterEnabled(true);
+        }
+    }
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -54,22 +71,7 @@
 
         FragmentManager fm = getSupportFragmentManager();
         if (fm.findFragmentById(android.R.id.content) == null) {
-            ListFragment listFragment = new ListFragment() {
-                @Override
-                @SuppressWarnings("unchecked")
-                public void onListItemClick(ListView l, View v, int position, long id) {
-                    Map<String, Object> map = (Map<String, Object>)l.getItemAtPosition(position);
-
-                    Intent intent = (Intent) map.get("intent");
-                    startActivity(intent);
-                }
-
-                @Override
-                public void onViewCreated(View view, Bundle savedInstanceState) {
-                    super.onViewCreated(view, savedInstanceState);
-                    getListView().setTextFilterEnabled(true);
-                }
-            };
+            ListFragment listFragment = new TestListFragment();
             listFragment.setListAdapter(new SimpleAdapter(this, getData(path),
                     android.R.layout.simple_list_item_1, new String[] { "title" },
                     new int[] { android.R.id.text1 }));
diff --git a/tools/aapt/Android.mk b/tools/aapt/Android.mk
index b701445..2a490d1 100644
--- a/tools/aapt/Android.mk
+++ b/tools/aapt/Android.mk
@@ -57,8 +57,8 @@
 aaptHostStaticLibs := \
     libandroidfw \
     libpng \
-    liblog \
     libutils \
+    liblog \
     libcutils \
     libexpat \
     libziparchive-host \
diff --git a/tools/aapt2/util/Util.cpp b/tools/aapt2/util/Util.cpp
index 7b0c71d..5a87c33 100644
--- a/tools/aapt2/util/Util.cpp
+++ b/tools/aapt2/util/Util.cpp
@@ -441,8 +441,10 @@
     }
 
     std::string utf8;
+    // Make room for '\0' explicitly.
+    utf8.resize(utf8Length + 1);
+    utf16_to_utf8(utf16.data(), utf16.length(), &*utf8.begin(), utf8Length + 1);
     utf8.resize(utf8Length);
-    utf16_to_utf8(utf16.data(), utf16.length(), &*utf8.begin());
     return utf8;
 }
 
diff --git a/tools/split-select/Android.mk b/tools/split-select/Android.mk
index 239bed5..863abae 100644
--- a/tools/split-select/Android.mk
+++ b/tools/split-select/Android.mk
@@ -47,8 +47,8 @@
     libaapt \
     libandroidfw \
     libpng \
-    liblog \
     libutils \
+    liblog \
     libcutils \
     libexpat \
     libziparchive-host \