Merge "Update Network & internet->Wi-Fi to use MasterSwitchPreference."
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 05e95f0..0de7a4e 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2700,6 +2700,22 @@
                 android:value="com.android.settings.notification.AppNotificationSettings" />
         </activity>
 
+        <!-- Show channel-level notification settings (channel passed in as extras) -->
+        <activity android:name="Settings$ChannelNotificationSettingsActivity"
+                  android:label="@string/app_notifications_title"
+                  android:exported="true">
+            <intent-filter android:priority="1">
+                <action android:name="android.settings.CHANNEL_NOTIFICATION_SETTINGS" />
+                <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" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                       android:value="com.android.settings.notification.ChannelNotificationSettings" />
+        </activity>
+
         <!-- Show Manual (from settings item) -->
         <activity android:name="ManualDisplayActivity"
                   android:label="@string/manual"
diff --git a/res/layout/preference_tts_engine.xml b/res/layout/preference_tts_engine.xml
index 8f4036b..19401f0 100644
--- a/res/layout/preference_tts_engine.xml
+++ b/res/layout/preference_tts_engine.xml
@@ -31,17 +31,4 @@
         android:maxLines="2"
         android:textAppearance="?android:attr/textAppearanceListItem"
         android:ellipsize="marquee"/>
-
-    <ImageView
-        android:id="@+id/tts_engine_settings"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:paddingStart="?android:attr/listPreferredItemPaddingStart"
-        android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
-        android:src="@drawable/ic_settings"
-        android:contentDescription="@string/tts_engine_settings_button"
-        android:layout_centerVertical="true"
-        android:clickable="true"
-        android:focusable="true"
-        android:background="?android:attr/selectableItemBackground"/>
 </LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0e572a6..cc40094 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -752,6 +752,8 @@
     <string name="security_passwords_title">Passwords</string>
     <!-- Summary for settings preference disabled by administrator [CHAR LIMIT=50] -->
     <string name="disabled_by_administrator_summary">Disabled by administrator</string>
+    <!-- In the security screen, the header title for security statuses -->
+    <string name="security_status_title">Security status</string>
 
     <!-- Fingerprint enrollment and settings --><skip />
     <!-- Title shown for menu item that launches fingerprint settings or enrollment [CHAR LIMIT=22] -->
@@ -3974,6 +3976,8 @@
     <string name="talkback_title">Talkback</string>
     <!-- Summary for the Talkback Accessibility Service. Lets the user know that Talkback is a screenreader and that it is usually most helpful to blind and low vision users and whether the service is on. [CHAR_LIMIT=none] -->
     <string name="talkback_summary">Screen reader primarily for people with blindness and low vision</string>
+    <!-- Summary for the Select to Speak Accessibility Service. [CHAR_LIMIT=none] -->
+    <string name="select_to_speak_summary">Tap items on your screen to hear them read aloud</string>
     <!-- Title for the accessibility preference category of system related preferences. [CHAR LIMIT=25] -->
     <string name="accessibility_system_title">System</string>
     <!-- Title for the accessibility preference category of display related preferences. [CHAR LIMIT=25] -->
@@ -4624,9 +4628,20 @@
         behalf.  It comes from the <xliff:g id="voice_input_service_app_name">%s</xliff:g>
         application.  Enable the use of this service?</string>
 
-    <!-- On main TTS Settings screen, in default settings section, reset speech rate for synthesized voice to 1x speech rate.-->
+    <!-- [CHAR LIMIT=50] The text for the settings section that is used to set a preferred text to speech engine -->
+    <string name="tts_engine_preference_title">Preferred engine</string>
+    <!-- [CHAR LIMIT=50] The text for a settings screen of the currently set text to speech engine -->
+    <string name="tts_engine_settings_title">Engine settings</string>
+    <!-- [CHAR LIMIT=50] The text for a button that goes to the speech rate and pitch settings for text to speech. -->
+    <string name="tts_sliders_title">Speech rate &amp; pitch</string>
+    <!-- [CHAR LIMIT=50] Name for the general text to speech settings section. -->
+    <string name="tts_engine_section_title">Engine</string>
+    <!-- [CHAR LIMIT=50] Name for the button that goes to the voice selection screen. -->
+    <string name="tts_install_voice_title">Voices</string>
+
+    <!-- Reset speech rate for synthesized voice to 1x speech rate in the text to speech settings.-->
     <string name="tts_reset_speech_rate_title">Reset speech rate</string>
-    <!-- On main TTS Settings screen, summary for reset speech rate for synthesized voice -->
+    <!-- Summary for reset speech rate for synthesized voice in the text to speech settings.-->
     <string name="tts_reset_speech_rate_summary">Reset the speed at which the text is spoken to normal.</string>
 
     <!-- Power Control Widget -->
@@ -8150,4 +8165,11 @@
         Make <xliff:g id="app_name">%1$s</xliff:g> your autofill app? <xliff:g id="app_name">%1$s</xliff:g> will be able to read your screen and fill fields in other apps.
     </string>
 
+    <!-- Name of setting for switching device theme [CHAR LIMIT=60] -->
+    <string name="device_theme">Device theme</string>
+    <!-- Name of default device theme [CHAR LIMIT=60] -->
+    <string name="default_theme">Default</string>
+    <!-- Temporary reboot string, will be removed -->
+    <string name="change_theme_reboot" translatable="false">Changing the theme requires a restart.</string>
+
 </resources>
diff --git a/res/xml/accessibility_settings_for_setup_wizard.xml b/res/xml/accessibility_settings_for_setup_wizard.xml
index c938f24..42b137b 100644
--- a/res/xml/accessibility_settings_for_setup_wizard.xml
+++ b/res/xml/accessibility_settings_for_setup_wizard.xml
@@ -46,6 +46,13 @@
 
     <Preference
         android:fragment=
+                "com.android.settings.accessibility.ToggleSelectToSpeakPreferenceFragmentForSetupWizard"
+        android:key="select_to_speak_preference"
+        android:summary="@string/select_to_speak_summary"
+        android:persistent="true" />
+
+    <Preference
+        android:fragment=
                 "com.android.settings.accessibility.ToggleScreenReaderPreferenceFragmentForSetupWizard"
         android:key="screen_reader_preference"
         android:summary="@string/talkback_summary"
diff --git a/res/xml/ia_display_settings.xml b/res/xml/ia_display_settings.xml
index 946466b..ed026f1 100644
--- a/res/xml/ia_display_settings.xml
+++ b/res/xml/ia_display_settings.xml
@@ -105,6 +105,11 @@
                 android:title="@string/tap_to_wake"
                 android:summary="@string/tap_to_wake_summary" />
 
+        <ListPreference
+                android:key="theme"
+                android:title="@string/device_theme"
+                android:summary="%s" />
+
         <Preference
                 android:key="wifi_display"
                 android:title="@string/wifi_display_settings_title"
diff --git a/res/xml/power_usage_summary.xml b/res/xml/power_usage_summary.xml
index 4607c48..b4ac7e2 100644
--- a/res/xml/power_usage_summary.xml
+++ b/res/xml/power_usage_summary.xml
@@ -27,7 +27,8 @@
         android:key="power_management"
         android:title="@string/battery_power_management">
 
-        <com.android.settings.fuelgauge.BatterySaverPreference
+        <com.android.settings.widget.MasterSwitchPreference
+            android:key="battery_saver"
             android:title="@string/battery_saver"
             android:fragment="com.android.settings.fuelgauge.BatterySaverSettings"/>
 
diff --git a/res/xml/security_settings_status.xml b/res/xml/security_settings_status.xml
new file mode 100644
index 0000000..06930f9
--- /dev/null
+++ b/res/xml/security_settings_status.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 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"
+                  android:title="@string/security_settings_title">
+
+    <PreferenceCategory
+        android:key="security_status"
+        android:title="@string/security_status_title"/>
+
+</PreferenceScreen>
diff --git a/res/xml/tts_engine_picker.xml b/res/xml/tts_engine_picker.xml
new file mode 100644
index 0000000..61e3e7e
--- /dev/null
+++ b/res/xml/tts_engine_picker.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 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"
+        android:title="@string/tts_settings_title">
+
+    <PreferenceCategory android:key="tts_engine_preference_category"
+        android:title="@string/tts_engine_preference_title"/>
+
+</PreferenceScreen>
diff --git a/res/xml/tts_engine_settings.xml b/res/xml/tts_engine_settings.xml
deleted file mode 100644
index d00c102..0000000
--- a/res/xml/tts_engine_settings.xml
+++ /dev/null
@@ -1,36 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2011 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" android:title="">
-    <ListPreference
-        android:key="tts_default_lang"
-        android:title="@string/tts_default_lang_title"
-        android:summary="@string/tts_default_lang_summary"
-        android:order="100" />
-
-    <Preference
-        android:key="tts_engine_settings"
-        android:persistent="false"
-        android:title="@string/tts_engine_settings_title"
-        android:order="200" />
-
-    <Preference
-        android:key="tts_install_data"
-        android:persistent="false"
-        android:title="@string/tts_install_data_title"
-        android:summary="@string/tts_install_data_summary"
-        android:order="300" />
-</PreferenceScreen>
diff --git a/res/xml/tts_settings.xml b/res/xml/tts_settings.xml
index 31d2b17..b02a749 100644
--- a/res/xml/tts_settings.xml
+++ b/res/xml/tts_settings.xml
@@ -17,38 +17,40 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
         android:title="@string/tts_settings_title">
 
-    <!-- The contents of this category are filled in by the Java code
-         based on the list of available engines. -->
-    <PreferenceCategory android:key="tts_engine_preference_section"
-        android:title="@string/tts_engine_preference_section_title" />
+    <PreferenceCategory android:key="tts_engine_section"
+         android:title="@string/tts_engine_section_title">
+
+    <com.android.settingslib.RestrictedPreference android:key="tts_engine_preference"
+        android:title="@string/tts_engine_preference_title"
+        android:fragment="com.android.settings.tts.TtsEnginePreferenceFragment"/>
+
+    <Preference
+        android:key="tts_engine_settings"
+        android:persistent="false"
+        android:title="@string/tts_engine_settings_title"
+        android:order="200" />
+
+    <Preference
+        android:key="tts_install_data"
+        android:persistent="false"
+        android:title="@string/tts_install_voice_title"
+        android:order="300" />
+
+    </PreferenceCategory>
 
     <PreferenceCategory android:key="tts_general_section"
          android:title="@string/tts_general_section_title">
-        <!-- The max value for seek bars here should be kept in sync
-             with the max value specified in TextToSpeechSettings class. -->
-        <com.android.settings.SeekBarPreference
-            android:key="tts_default_rate"
-            android:title="@string/tts_default_rate_title"
-            android:summary="@string/tts_default_rate_summary"
-            android:defaultValue="50"
-            android:max="600"/>
 
-        <com.android.settings.SeekBarPreference
-            android:key="tts_default_pitch"
-            android:title="@string/tts_default_pitch_title"
-            android:summary="@string/tts_default_pitch_summary"
-            android:defaultValue="100"
-            android:max="400"/>
+    <com.android.settingslib.RestrictedPreference
+        android:key="tts_sliders"
+        android:title="@string/tts_sliders_title"
+        android:fragment="com.android.settings.tts.TtsSlidersFragment"/>
 
-        <Preference android:key="reset_speech_rate"
-            android:persistent="false"
-            android:title="@string/tts_reset_speech_rate_title"
-            android:summary="@string/tts_reset_speech_rate_summary" />
-
-        <Preference android:key="reset_speech_pitch"
-            android:persistent="false"
-            android:title="@string/tts_reset_speech_pitch_title"
-            android:summary="@string/tts_reset_speech_pitch_summary" />
+        <ListPreference
+            android:key="tts_default_lang"
+            android:title="@string/tts_default_lang_title"
+            android:summary="@string/tts_default_lang_summary"
+            android:persistent="false" />
 
         <Preference android:key="tts_play_example"
             android:persistent="false"
diff --git a/res/xml/tts_sliders.xml b/res/xml/tts_sliders.xml
new file mode 100644
index 0000000..3c767b0
--- /dev/null
+++ b/res/xml/tts_sliders.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 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"
+        android:title="@string/tts_settings_title">
+
+        <!-- The max value for seek bars here should be kept in sync
+             with the max value specified in TextToSpeechSettings class. -->
+        <com.android.settings.SeekBarPreference
+            android:key="tts_default_rate"
+            android:title="@string/tts_default_rate_title"
+            android:summary="@string/tts_default_rate_summary"
+            android:defaultValue="50"
+            android:max="600"/>
+
+        <com.android.settings.SeekBarPreference
+            android:key="tts_default_pitch"
+            android:title="@string/tts_default_pitch_title"
+            android:summary="@string/tts_default_pitch_summary"
+            android:defaultValue="100"
+            android:max="400"/>
+
+        <Preference android:key="reset_speech_rate"
+            android:persistent="false"
+            android:title="@string/tts_reset_speech_rate_title"
+            android:summary="@string/tts_reset_speech_rate_summary" />
+
+        <Preference android:key="reset_speech_pitch"
+            android:persistent="false"
+            android:title="@string/tts_reset_speech_pitch_title"
+            android:summary="@string/tts_reset_speech_pitch_summary" />
+
+</PreferenceScreen>
diff --git a/src/com/android/settings/BackupSettingsActivity.java b/src/com/android/settings/BackupSettingsActivity.java
index c0456b2..a4cc4b7 100644
--- a/src/com/android/settings/BackupSettingsActivity.java
+++ b/src/com/android/settings/BackupSettingsActivity.java
@@ -17,13 +17,19 @@
 package com.android.settings;
 
 import android.app.Activity;
-import android.content.ComponentName;
+import android.app.backup.BackupManager;
+import android.app.backup.IBackupManager;
+import android.content.Context;
 import android.content.Intent;
-import android.content.pm.PackageManager;
 import android.os.Bundle;
+import android.os.ServiceManager;
+import android.os.UserHandle;
+import android.text.TextUtils;
 import android.util.Log;
 
-import com.android.settings.Settings.PrivacySettingsActivity;
+import com.android.settings.R;
+
+import java.net.URISyntaxException;
 
 /**
  * A trampoline activity used to launch the configured Backup activity.
@@ -36,24 +42,30 @@
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
-        BackupSettingsHelper backupHelper = new BackupSettingsHelper();
-        if (backupHelper.isIntentProvidedByTransport(getPackageManager())) {
-            Intent intent = backupHelper.getIntentForBackupSettings();
-            if (intent != null) {
-                // use startActivityForResult to let the activity check the caller signature
-                startActivityForResult(intent, -1);
+        String backup = getResources().getString(R.string.config_backup_settings_intent);
+        if (!TextUtils.isEmpty(backup)) {
+            try {
+                Intent intent = Intent.parseUri(backup, 0);
+                if (intent.resolveActivity(getPackageManager()) != null) {
+                    // use startActivityForResult to let the activity check the caller signature
+                    IBackupManager bmgr = IBackupManager.Stub.asInterface(
+                            ServiceManager.getService(Context.BACKUP_SERVICE));
+                    boolean backupOkay;
+                    try {
+                        backupOkay = bmgr.isBackupServiceActive(UserHandle.myUserId());
+                    } catch (Exception e) {
+                        // things go wrong talking to the backup system => ignore and
+                        // pass the default 'false' as the "backup is a thing?" state.
+                        backupOkay = false;
+                    }
+                    intent.putExtra(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE, backupOkay);
+                    startActivityForResult(intent, -1);
+                } else {
+                    Log.e(TAG, "Backup component not found!");
+                }
+            } catch (URISyntaxException e) {
+                Log.e(TAG, "Invalid backup component URI!", e);
             }
-        } else {
-            // This should never happen, because isIntentProvidedByTransport() is called before
-            // starting this activity.
-            Log.e(TAG, "Backup transport has not provided an intent"
-                    + " or the component for the intent is not found!");
-            getPackageManager().setComponentEnabledSetting(
-                    new ComponentName(getPackageName(), PrivacySettingsActivity.class.getName()),
-                    PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
-                    PackageManager.DONT_KILL_APP);
-            startActivityForResult(new Intent(this, PrivacySettingsActivity.class), -1);
         }
         finish();
     }
diff --git a/src/com/android/settings/BackupSettingsHelper.java b/src/com/android/settings/BackupSettingsHelper.java
deleted file mode 100644
index 37c0971..0000000
--- a/src/com/android/settings/BackupSettingsHelper.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright (C) 2017 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.settings;
-
-
-import android.app.backup.BackupManager;
-import android.app.backup.BackupTransport;
-import android.app.backup.IBackupManager;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.os.UserHandle;
-import android.util.Log;
-
-import com.android.internal.annotations.VisibleForTesting;
-
-/**
- * Helper class for {@link BackupSettingsActivity} that interacts with {@link IBackupManager}.
- */
-public class BackupSettingsHelper {
-    private static final String TAG = "BackupSettingsHelper";
-
-    private IBackupManager mBackupManager = IBackupManager.Stub.asInterface(
-            ServiceManager.getService(Context.BACKUP_SERVICE));
-
-
-    /**
-     * Gets the intent from Backup transport and adds the extra depending on whether the user has
-     * rights to see backup settings.
-     *
-     * @return Intent to launch Backup settings provided by the Backup transport.
-     */
-    public Intent getIntentForBackupSettings() {
-        Intent intent = getIntentFromBackupTransport();
-        if (intent != null) {
-            intent.putExtra(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE, isBackupServiceActive());
-        }
-        return intent;
-    }
-
-
-    /**
-     * Checks if the transport provided the intent to launch the backup settings and if that
-     * intent resolves to an activity.
-     */
-    public boolean isIntentProvidedByTransport(PackageManager packageManager) {
-        Intent intent = getIntentFromBackupTransport();
-        return intent != null && intent.resolveActivity(packageManager) != null;
-    }
-
-    /**
-     * Gets an intent to launch the backup settings from the current transport using
-     * {@link BackupTransport#dataManagementIntent()} API.
-     *
-     * @return intent provided by transport or null if no intent was provided.
-     */
-    private Intent getIntentFromBackupTransport() {
-        try {
-            Intent intent =
-                    mBackupManager.getDataManagementIntent(mBackupManager.getCurrentTransport());
-            if (Log.isLoggable(TAG, Log.DEBUG)) {
-                if (intent != null) {
-                    Log.d(TAG, "Parsed intent from backup transport: " + intent.toString());
-                } else {
-                    Log.d(TAG, "Received a null intent from backup transport");
-                }
-            }
-            return intent;
-        } catch (RemoteException e) {
-            Log.e(TAG, "Error getting data management intent", e);
-        }
-        return null;
-    }
-
-    /** Checks if backup service is enabled for this user. */
-    private boolean isBackupServiceActive() {
-        boolean backupOkay;
-        try {
-            backupOkay = mBackupManager.isBackupServiceActive(UserHandle.myUserId());
-        } catch (Exception e) {
-            // things go wrong talking to the backup system => ignore and
-            // pass the default 'false' as the "backup is a thing?" state.
-            backupOkay = false;
-        }
-        return backupOkay;
-    }
-}
diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index e7b44f6..320cb83 100644
--- a/src/com/android/settings/DisplaySettings.java
+++ b/src/com/android/settings/DisplaySettings.java
@@ -35,6 +35,7 @@
 import com.android.settings.display.NightModePreferenceController;
 import com.android.settings.display.ScreenSaverPreferenceController;
 import com.android.settings.display.TapToWakePreferenceController;
+import com.android.settings.display.ThemePreferenceController;
 import com.android.settings.display.TimeoutPreferenceController;
 import com.android.settings.display.VrDisplayPreferenceController;
 import com.android.settings.display.WallpaperPreferenceController;
@@ -92,6 +93,7 @@
         controllers.add(new TimeoutPreferenceController(context));
         controllers.add(new VrDisplayPreferenceController(context));
         controllers.add(new WallpaperPreferenceController(context));
+        controllers.add(new ThemePreferenceController(context));
         return controllers;
     }
 
@@ -177,6 +179,7 @@
                     new TimeoutPreferenceController(context).updateNonIndexableKeys(result);
                     new VrDisplayPreferenceController(context).updateNonIndexableKeys(result);
                     new WallpaperPreferenceController(context).updateNonIndexableKeys(result);
+                    new ThemePreferenceController(context).updateNonIndexableKeys(result);
 
                     return result;
                 }
diff --git a/src/com/android/settings/SecuritySettings.java b/src/com/android/settings/SecuritySettings.java
index c06f872..436745f 100644
--- a/src/com/android/settings/SecuritySettings.java
+++ b/src/com/android/settings/SecuritySettings.java
@@ -126,9 +126,13 @@
     private static final String KEY_TRUST_AGENT = "trust_agent";
     private static final String KEY_SCREEN_PINNING = "screen_pinning_settings";
 
+    // Security status
+    private static final String KEY_SECURITY_STATUS = "security_status";
+    private static final String SECURITY_STATUS_KEY_PREFIX = "security_status_";
+
     // Package verifier Settings
     @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
-    static final String KEY_PACKAGE_VERIFIER_STATE = "package_verifier_state";
+    static final String KEY_PACKAGE_VERIFIER_STATUS = "security_status_package_verifier";
     private static final int PACKAGE_VERIFIER_STATE_ENABLED = 1;
 
     // These switch preferences need special handling since they're not all stored in Settings.
@@ -261,6 +265,9 @@
         addPreferencesFromResource(R.xml.security_settings);
         root = getPreferenceScreen();
 
+        // Add category for security status
+        addPreferencesFromResource(R.xml.security_settings_status);
+
         // Add options for lock/unlock screen
         final int resid = getResIdForLockUnlockScreen(getActivity(), mLockPatternUtils,
                 mManagedPasswordProvider, MY_USER_ID);
@@ -428,19 +435,38 @@
         Index.getInstance(getActivity())
                 .updateFromClassNameResource(SecuritySettings.class.getName(), true, true);
 
+        PreferenceGroup securityStatusPreferenceGroup =
+                (PreferenceGroup) root.findPreference(KEY_SECURITY_STATUS);
         if (mDashboardFeatureProvider.isEnabled()) {
             final List<Preference> tilePrefs = mDashboardFeatureProvider.getPreferencesForCategory(
                     getActivity(), getPrefContext(), CategoryKey.CATEGORY_SECURITY);
+            int numSecurityStatusPrefs = 0;
             if (tilePrefs != null && !tilePrefs.isEmpty()) {
                 for (Preference preference : tilePrefs) {
-                    root.addPreference(preference);
+                    if (!TextUtils.isEmpty(preference.getKey())
+                            && preference.getKey().startsWith(SECURITY_STATUS_KEY_PREFIX)) {
+                        // Injected security status settings are placed under the Security status
+                        // category.
+                        securityStatusPreferenceGroup.addPreference(preference);
+                        numSecurityStatusPrefs++;
+                    } else {
+                        // Other injected settings are placed under the Security preference screen.
+                        root.addPreference(preference);
+                    }
                 }
             }
 
-            // Update preference data with tile data. Security feature provider only updates the
-            // data if it actually needs to be changed.
-            mSecurityFeatureProvider.updatePreferences(getActivity(), root,
-                    mDashboardFeatureProvider.getTilesForCategory(CategoryKey.CATEGORY_SECURITY));
+            if (numSecurityStatusPrefs == 0) {
+                root.removePreference(securityStatusPreferenceGroup);
+            } else if (numSecurityStatusPrefs > 0) {
+                // Update preference data with tile data. Security feature provider only updates the
+                // data if it actually needs to be changed.
+                mSecurityFeatureProvider.updatePreferences(getActivity(), root,
+                        mDashboardFeatureProvider.getTilesForCategory(
+                                CategoryKey.CATEGORY_SECURITY));
+            }
+        } else {
+            root.removePreference(root.findPreference(KEY_SECURITY_STATUS));
         }
 
         for (int i = 0; i < SWITCH_PREFERENCE_KEYS.length; i++) {
@@ -1365,7 +1391,7 @@
             }
             for (int i = 0; i < tilesCount; i++) {
                 Tile tile = dashboardCategory.getTile(i);
-                if (!KEY_PACKAGE_VERIFIER_STATE.equals(tile.key)) {
+                if (!KEY_PACKAGE_VERIFIER_STATUS.equals(tile.key)) {
                     continue;
                 }
                 String summaryUri = tile.metaData.getString(
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 12b86b6..360d258 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -124,6 +124,7 @@
     public static class ConfigureNotificationSettingsActivity extends SettingsActivity { /* empty */ }
     public static class NotificationAppListActivity extends SettingsActivity { /* empty */ }
     public static class AppNotificationSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class ChannelNotificationSettingsActivity extends SettingsActivity { /* empty */ }
     public static class OtherSoundSettingsActivity extends SettingsActivity { /* empty */ }
     public static class ManageDomainUrlsActivity extends SettingsActivity { /* empty */ }
     public static class AutomaticStorageManagerSettingsActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index 8bb6834..c01e4c4 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -33,8 +33,6 @@
 import android.content.res.Configuration;
 import android.nfc.NfcAdapter;
 import android.os.AsyncTask;
-import android.os.Build;
-import android.os.Build.VERSION;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
@@ -967,27 +965,29 @@
             }
         }
 
-        // Check if the backup transport has provided an intent to launch the backup settings.
-        BackupSettingsHelper backupHelper = new BackupSettingsHelper();
-        boolean useDefaultBackup = !backupHelper.isIntentProvidedByTransport(getPackageManager());
-        if (Log.isLoggable(LOG_TAG, Log.VERBOSE)) {
-            Log.v(LOG_TAG, "Enabling default backup settings page: " + useDefaultBackup);
-        }
-
+        String backupIntent = getResources().getString(R.string.config_backup_settings_intent);
+        boolean useDefaultBackup = TextUtils.isEmpty(backupIntent);
         setTileEnabled(new ComponentName(packageName,
                 Settings.PrivacySettingsActivity.class.getName()), useDefaultBackup, isAdmin);
         setTileEnabled(new ComponentName(packageName,
                         "com.android.settings.PrivacyDashboardAlias"),
                 useDefaultBackup, isAdmin);
 
-        // Enable/disable BackupSettingsActivity and its alias.
-        if (Log.isLoggable(LOG_TAG, Log.VERBOSE)) {
-            Log.v(LOG_TAG, "Enabling transport provided backup settings: " + !useDefaultBackup);
+        boolean hasBackupActivity = false;
+        if (!useDefaultBackup) {
+            try {
+                Intent intent = Intent.parseUri(backupIntent, 0);
+                hasBackupActivity = !getPackageManager().queryIntentActivities(intent, 0).isEmpty();
+            } catch (URISyntaxException e) {
+                Log.e(LOG_TAG, "Invalid backup intent URI!", e);
+            }
         }
+
+        // Enable/disable BackupSettingsActivity and its alias.
         setTileEnabled(new ComponentName(packageName,
-                BackupSettingsActivity.class.getName()), !useDefaultBackup, isAdmin);
+                BackupSettingsActivity.class.getName()), hasBackupActivity, isAdmin);
         setTileEnabled(new ComponentName(packageName,
-                "com.android.settings.BackupResetDashboardAlias"), !useDefaultBackup, isAdmin);
+                "com.android.settings.BackupResetDashboardAlias"), hasBackupActivity, isAdmin);
 
         setTileEnabled(new ComponentName(packageName,
                 Settings.EnterprisePrivacySettingsActivity.class.getName()),
diff --git a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
index 009fa5d..b8f3af5 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettingsForSetupWizard.java
@@ -41,11 +41,21 @@
     private static final String DISPLAY_MAGNIFICATION_PREFERENCE =
             "screen_magnification_preference";
     private static final String SCREEN_READER_PREFERENCE = "screen_reader_preference";
+    private static final String SELECT_TO_SPEAK_PREFERENCE = "select_to_speak_preference";
     private static final String FONT_SIZE_PREFERENCE = "font_size_preference";
 
+    // Package names and service names used to identify screen reader and SelectToSpeak services.
+    private static final String SCREEN_READER_PACKAGE_NAME = "com.google.android.marvin.talkback";
+    private static final String SCREEN_READER_SERVICE_NAME =
+            "com.google.android.marvin.talkback.TalkBackService";
+    private static final String SELECT_TO_SPEAK_PACKAGE_NAME = "com.google.android.marvin.talkback";
+    private static final String SELECT_TO_SPEAK_SERVICE_NAME =
+            "com.google.android.accessibility.selecttospeak.SelectToSpeakService";
+
     // Preference controls.
     private Preference mDisplayMagnificationPreference;
     private Preference mScreenReaderPreference;
+    private Preference mSelectToSpeakPreference;
 
     @Override
     public int getMetricsCategory() {
@@ -59,12 +69,16 @@
 
         mDisplayMagnificationPreference = findPreference(DISPLAY_MAGNIFICATION_PREFERENCE);
         mScreenReaderPreference = findPreference(SCREEN_READER_PREFERENCE);
+        mSelectToSpeakPreference = findPreference(SELECT_TO_SPEAK_PREFERENCE);
     }
 
     @Override
     public void onResume() {
         super.onResume();
-        updateScreenReaderPreference();
+        updateAccessibilityServicePreference(mScreenReaderPreference,
+                findService(SCREEN_READER_PACKAGE_NAME, SCREEN_READER_SERVICE_NAME));
+        updateAccessibilityServicePreference(mSelectToSpeakPreference,
+                findService(SELECT_TO_SPEAK_PACKAGE_NAME, SELECT_TO_SPEAK_SERVICE_NAME));
     }
 
     @Override
@@ -94,13 +108,15 @@
         return super.onPreferenceTreeClick(preference);
     }
 
-    private AccessibilityServiceInfo findFirstServiceWithSpokenFeedback() {
+    private AccessibilityServiceInfo findService(String packageName, String serviceName) {
         final AccessibilityManager manager =
                 getActivity().getSystemService(AccessibilityManager.class);
         final List<AccessibilityServiceInfo> accessibilityServices =
                 manager.getInstalledAccessibilityServiceList();
         for (AccessibilityServiceInfo info : accessibilityServices) {
-            if ((info.feedbackType & AccessibilityServiceInfo.FEEDBACK_SPOKEN) != 0) {
+            ServiceInfo serviceInfo = info.getResolveInfo().serviceInfo;
+            if (packageName.equals(serviceInfo.packageName)
+                    && serviceName.equals(serviceInfo.name)) {
                 return info;
             }
         }
@@ -108,28 +124,25 @@
         return null;
     }
 
-    private void updateScreenReaderPreference() {
-        // Find a screen reader.
-        AccessibilityServiceInfo info = findFirstServiceWithSpokenFeedback();
+    private void updateAccessibilityServicePreference(Preference preference,
+            AccessibilityServiceInfo info) {
         if (info == null) {
-            mScreenReaderPreference.setEnabled(false);
-        } else {
-            mScreenReaderPreference.setEnabled(true);
+            getPreferenceScreen().removePreference(preference);
+            return;
         }
 
         ServiceInfo serviceInfo = info.getResolveInfo().serviceInfo;
         String title = info.getResolveInfo().loadLabel(getPackageManager()).toString();
-        mScreenReaderPreference.setTitle(title);
-
+        preference.setTitle(title);
         ComponentName componentName = new ComponentName(serviceInfo.packageName, serviceInfo.name);
-        mScreenReaderPreference.setKey(componentName.flattenToString());
+        preference.setKey(componentName.flattenToString());
 
         // Update the extras.
-        Bundle extras = mScreenReaderPreference.getExtras();
+        Bundle extras = preference.getExtras();
         extras.putParcelable(AccessibilitySettings.EXTRA_COMPONENT_NAME, componentName);
 
         extras.putString(AccessibilitySettings.EXTRA_PREFERENCE_KEY,
-                mScreenReaderPreference.getKey());
+            preference.getKey());
         extras.putString(AccessibilitySettings.EXTRA_TITLE, title);
 
         String description = info.loadDescription(getPackageManager());
diff --git a/src/com/android/settings/accessibility/ToggleSelectToSpeakPreferenceFragmentForSetupWizard.java b/src/com/android/settings/accessibility/ToggleSelectToSpeakPreferenceFragmentForSetupWizard.java
new file mode 100644
index 0000000..2c9b58c
--- /dev/null
+++ b/src/com/android/settings/accessibility/ToggleSelectToSpeakPreferenceFragmentForSetupWizard.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2017 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.settings.accessibility;
+
+import android.os.Bundle;
+
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+
+public class ToggleSelectToSpeakPreferenceFragmentForSetupWizard
+        extends ToggleAccessibilityServicePreferenceFragment {
+
+    private boolean mToggleSwitchWasInitiallyChecked;
+
+    @Override
+    protected void onProcessArguments(Bundle arguments) {
+        super.onProcessArguments(arguments);
+        mToggleSwitchWasInitiallyChecked = mToggleSwitch.isChecked();
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.SUW_ACCESSIBILITY_TOGGLE_SCREEN_READER;
+    }
+
+    @Override
+    public void onStop() {
+        // Log the final choice in value if it's different from the previous value.
+        if (mToggleSwitch.isChecked() != mToggleSwitchWasInitiallyChecked) {
+            mMetricsFeatureProvider.action(getContext(),
+                    MetricsEvent.SUW_ACCESSIBILITY_TOGGLE_SELECT_TO_SPEAK,
+                    mToggleSwitch.isChecked());
+        }
+
+        super.onStop();
+    }
+}
+
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 96cbb92..1dd83cb 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -101,6 +101,7 @@
 import com.android.settings.nfc.AndroidBeam;
 import com.android.settings.nfc.PaymentSettings;
 import com.android.settings.notification.AppNotificationSettings;
+import com.android.settings.notification.ChannelNotificationSettings;
 import com.android.settings.notification.ConfigureNotificationSettings;
 import com.android.settings.notification.NotificationAccessSettings;
 import com.android.settings.notification.NotificationStation;
@@ -209,6 +210,7 @@
             InstalledAppDetails.class.getName(),
             BatterySaverSettings.class.getName(),
             AppNotificationSettings.class.getName(),
+            ChannelNotificationSettings.class.getName(),
             OtherSoundSettings.class.getName(),
             ApnSettings.class.getName(),
             ApnEditor.class.getName(),
diff --git a/src/com/android/settings/deviceinfo/StorageDashboardFragment.java b/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
index 59f9a84..61f3e95 100644
--- a/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
+++ b/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
@@ -21,6 +21,7 @@
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.provider.SearchIndexableResource;
+import android.support.annotation.VisibleForTesting;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
@@ -55,14 +56,11 @@
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
-        final Context context = getActivity();
 
         // Initialize the storage sizes that we can quickly calc.
+        final Context context = getActivity();
         StorageManager sm = context.getSystemService(StorageManager.class);
-        String volumeId = getArguments().getString(VolumeInfo.EXTRA_VOLUME_ID,
-                VolumeInfo.ID_PRIVATE_INTERNAL);
-        mVolume = sm.findVolumeById(volumeId);
-        if (!isVolumeValid()) {
+        if (!initializeVolume(sm, getArguments())) {
             getActivity().finish();
             return;
         }
@@ -120,6 +118,17 @@
     }
 
     /**
+     * Initializes the volume with a given bundle and returns if the volume is valid.
+     */
+    @VisibleForTesting
+    boolean initializeVolume(StorageManager sm, Bundle bundle) {
+        String volumeId = bundle.getString(VolumeInfo.EXTRA_VOLUME_ID,
+                VolumeInfo.ID_PRIVATE_INTERNAL);
+        mVolume = sm.findVolumeById(volumeId);
+        return isVolumeValid();
+    }
+
+    /**
      * For Search.
      */
     public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
diff --git a/src/com/android/settings/display/ThemePreferenceController.java b/src/com/android/settings/display/ThemePreferenceController.java
new file mode 100644
index 0000000..da5b84a
--- /dev/null
+++ b/src/com/android/settings/display/ThemePreferenceController.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2017 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.settings.display;
+
+import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.ACTION_THEME;
+
+import android.app.AlertDialog;
+import android.app.UiModeManager;
+import android.content.Context;
+import android.content.DialogInterface.OnClickListener;
+import android.support.v7.preference.ListPreference;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.R;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.core.instrumentation.MetricsFeatureProvider;
+import com.android.settings.overlay.FeatureFactory;
+
+import libcore.util.Objects;
+
+public class ThemePreferenceController extends PreferenceController implements
+        Preference.OnPreferenceChangeListener {
+
+    private static final String KEY_THEME = "theme";
+
+    private final UiModeManager mUiModeManager;
+    private final MetricsFeatureProvider mMetricsFeatureProvider;
+
+    public ThemePreferenceController(Context context) {
+        super(context);
+        mUiModeManager = context.getSystemService(UiModeManager.class);
+        mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_THEME;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (KEY_THEME.equals(preference.getKey())) {
+            mMetricsFeatureProvider.action(mContext, ACTION_THEME);
+        }
+        return false;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        ListPreference pref = (ListPreference) preference;
+        String[] options = mUiModeManager.getAvailableThemes();
+        for (int i = 0; i < options.length; i++) {
+            options[i] = nullToDefault(options[i]);
+        }
+        pref.setEntries(options);
+        pref.setEntryValues(options);
+        String theme = mUiModeManager.getTheme();
+        if (theme == null) {
+            theme = mContext.getString(R.string.default_theme);
+        }
+        pref.setValue(nullToDefault(theme));
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        if (Objects.equal(newValue, mUiModeManager.getTheme())) {
+            return true;
+        }
+        // TODO: STOPSHIP Don't require reboot and remove this prompt.
+        OnClickListener onConfirm = (d, i) -> {
+            mUiModeManager.setTheme(defaultToNull((String) newValue));
+            ((ListPreference) preference).setValue((String) newValue);
+        };
+        new AlertDialog.Builder(mContext)
+                .setTitle(R.string.change_theme_reboot)
+                .setPositiveButton(com.android.internal.R.string.global_action_restart, onConfirm)
+                .setNegativeButton(android.R.string.cancel, null)
+                .show();
+        return false;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        String[] themes = mUiModeManager.getAvailableThemes();
+        return themes != null && themes.length > 1;
+    }
+
+    private String nullToDefault(String input) {
+        if (input == null) {
+            return mContext.getString(R.string.default_theme);
+        }
+        return input;
+    }
+
+    private String defaultToNull(String input) {
+        if (mContext.getString(R.string.default_theme).equals(input)) {
+            return null;
+        }
+        return input;
+    }
+}
diff --git a/src/com/android/settings/fuelgauge/BatterySaverController.java b/src/com/android/settings/fuelgauge/BatterySaverController.java
new file mode 100644
index 0000000..08d570a
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/BatterySaverController.java
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2017 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.settings.fuelgauge;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.database.ContentObserver;
+import android.os.BatteryManager;
+import android.os.Handler;
+import android.os.PowerManager;
+import android.provider.Settings;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+import android.util.Log;
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.core.lifecycle.LifecycleObserver;
+import com.android.settings.core.lifecycle.events.OnStart;
+import com.android.settings.core.lifecycle.events.OnStop;
+import com.android.settings.dashboard.conditional.BatterySaverCondition;
+import com.android.settings.dashboard.conditional.ConditionManager;
+import com.android.settings.widget.MasterSwitchPreference;
+
+import static android.os.PowerManager.ACTION_POWER_SAVE_MODE_CHANGING;
+
+public class BatterySaverController extends PreferenceController implements
+        Preference.OnPreferenceChangeListener, LifecycleObserver, OnStart, OnStop {
+    private static final String KEY_BATTERY_SAVER = "battery_saver";
+    private static final String TAG = "BatterySaverController";
+    private static final boolean DEBUG = false;
+
+    private final BatteryStateChangeReceiver mBatteryStateChangeReceiver;
+    private final PowerManager mPowerManager;
+    private MasterSwitchPreference mBatterySaverPref;
+
+    public BatterySaverController(Context context, Lifecycle lifecycle) {
+        super(context);
+
+        lifecycle.addObserver(this);
+        mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
+        mBatteryStateChangeReceiver = new BatteryStateChangeReceiver();
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_BATTERY_SAVER;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mBatterySaverPref = (MasterSwitchPreference) screen.findPreference(KEY_BATTERY_SAVER);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        mBatterySaverPref.setChecked(mPowerManager.isPowerSaveMode());
+        updateSummary();
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        final boolean saverOn = (Boolean) newValue;
+        if (saverOn != mPowerManager.isPowerSaveMode()
+                && !mPowerManager.setPowerSaveMode(saverOn)) {
+            // Do nothing if power save mode doesn't set correctly
+            return false;
+        }
+
+        refreshConditionManager();
+        updateSummary();
+        return true;
+    }
+
+    @Override
+    public void onStart() {
+        mContext.getContentResolver().registerContentObserver(
+                Settings.Global.getUriFor(Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL)
+                , true, mObserver);
+
+        mBatteryStateChangeReceiver.setListening(true);
+    }
+
+    @Override
+    public void onStop() {
+        mContext.getContentResolver().unregisterContentObserver(mObserver);
+        mBatteryStateChangeReceiver.setListening(false);
+    }
+
+    @VisibleForTesting
+    void refreshConditionManager() {
+        ConditionManager.get(mContext).getCondition(BatterySaverCondition.class).refreshState();
+    }
+
+    private void updateSummary() {
+        final boolean mode = mPowerManager.isPowerSaveMode();
+        final int format = mode ? R.string.battery_saver_on_summary
+                : R.string.battery_saver_off_summary;
+        final int percent = Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL, 0);
+        final int percentFormat = percent > 0 ? R.string.battery_saver_desc_turn_on_auto_pct
+                : R.string.battery_saver_desc_turn_on_auto_never;
+
+        final String summary = mContext.getString(format, mContext.getString(percentFormat,
+                Utils.formatPercentage(percent)));
+
+        mBatterySaverPref.setSummary(summary);
+    }
+
+    private final ContentObserver mObserver = new ContentObserver(new Handler()) {
+        @Override
+        public void onChange(boolean selfChange) {
+            updateSummary();
+        }
+    };
+
+    private final class BatteryStateChangeReceiver extends BroadcastReceiver {
+        private boolean mRegistered;
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (DEBUG) {
+                Log.d(TAG, "Received " + intent.getAction());
+            }
+            final String action = intent.getAction();
+            if (action.equals(ACTION_POWER_SAVE_MODE_CHANGING)) {
+                mBatterySaverPref.setChecked(mPowerManager.isPowerSaveMode());
+                updateSummary();
+            } else if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {
+                final int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
+                // disable BSM switch if phone is plugged in or at 100% while plugged in
+                final boolean enabled = !(status == BatteryManager.BATTERY_STATUS_CHARGING
+                        || status == BatteryManager.BATTERY_STATUS_FULL);
+
+                mBatterySaverPref.setSwitchEnabled(enabled);
+            }
+        }
+
+        public void setListening(boolean listening) {
+            if (listening && !mRegistered) {
+                final IntentFilter ifilter = new IntentFilter();
+                ifilter.addAction(Intent.ACTION_BATTERY_CHANGED);
+                ifilter.addAction(ACTION_POWER_SAVE_MODE_CHANGING);
+                mContext.registerReceiver(this, ifilter);
+                mRegistered = true;
+            } else if (!listening && mRegistered) {
+                mContext.unregisterReceiver(this);
+                mRegistered = false;
+            }
+        }
+
+    }
+}
diff --git a/src/com/android/settings/fuelgauge/BatterySaverPreference.java b/src/com/android/settings/fuelgauge/BatterySaverPreference.java
deleted file mode 100644
index 9e0f39b..0000000
--- a/src/com/android/settings/fuelgauge/BatterySaverPreference.java
+++ /dev/null
@@ -1,79 +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.settings.fuelgauge;
-
-import android.content.Context;
-import android.database.ContentObserver;
-import android.os.Handler;
-import android.os.PowerManager;
-import android.provider.Settings;
-import android.provider.Settings.Global;
-import android.support.v7.preference.Preference;
-import android.util.AttributeSet;
-import android.view.View;
-import com.android.settings.R;
-import com.android.settings.Utils;
-
-public class BatterySaverPreference extends Preference {
-
-    private PowerManager mPowerManager;
-
-    public BatterySaverPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    @Override
-    protected void performClick(View view) {
-        Utils.startWithFragment(getContext(), getFragment(), null, null, 0, 0, getTitle());
-    }
-
-    @Override
-    public void onAttached() {
-        super.onAttached();
-        mPowerManager = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE);
-        mObserver.onChange(true);
-        getContext().getContentResolver().registerContentObserver(
-                Settings.Global.getUriFor(Global.LOW_POWER_MODE_TRIGGER_LEVEL), true, mObserver);
-        getContext().getContentResolver().registerContentObserver(
-                Settings.Global.getUriFor(Global.LOW_POWER_MODE), true, mObserver);
-    }
-
-    @Override
-    public void onDetached() {
-        super.onDetached();
-        getContext().getContentResolver().unregisterContentObserver(mObserver);
-    }
-
-    private void updateSwitch() {
-        final Context context = getContext();
-        final boolean mode = mPowerManager.isPowerSaveMode();
-        int format = mode ? R.string.battery_saver_on_summary
-                : R.string.battery_saver_off_summary;
-        int percent = Settings.Global.getInt(context.getContentResolver(),
-                Global.LOW_POWER_MODE_TRIGGER_LEVEL, 0);
-        int percentFormat = percent > 0 ? R.string.battery_saver_desc_turn_on_auto_pct
-                : R.string.battery_saver_desc_turn_on_auto_never;
-        setSummary(context.getString(format, context.getString(percentFormat,
-                Utils.formatPercentage(percent))));
-    }
-
-    private final ContentObserver mObserver = new ContentObserver(new Handler()) {
-        @Override
-        public void onChange(boolean selfChange) {
-            updateSwitch();
-        }
-    };
-
-}
diff --git a/src/com/android/settings/fuelgauge/PowerUsageSummary.java b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
index db6bfb8..a989ee6 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageSummary.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
@@ -153,6 +153,7 @@
         final List<PreferenceController> controllers = new ArrayList<>();
         controllers.add(new AutoBrightnessPreferenceController(context));
         controllers.add(new TimeoutPreferenceController(context));
+        controllers.add(new BatterySaverController(context, getLifecycle()));
         return controllers;
     }
 
diff --git a/src/com/android/settings/nfc/NfcPreferenceController.java b/src/com/android/settings/nfc/NfcPreferenceController.java
index 65c2d4c..a5e5c3e 100644
--- a/src/com/android/settings/nfc/NfcPreferenceController.java
+++ b/src/com/android/settings/nfc/NfcPreferenceController.java
@@ -44,7 +44,6 @@
 
     private NfcEnabler mNfcEnabler;
     private NfcAdapter mNfcAdapter;
-    private final Handler mHandler = new Handler();
     private int mAirplaneMode;
     private AirplaneModeObserver mAirplaneModeObserver;
     private SwitchPreference mNfcPreference;
@@ -146,7 +145,7 @@
                 Settings.Global.getUriFor(Settings.Global.AIRPLANE_MODE_ON);
 
         private AirplaneModeObserver() {
-            super(mHandler);
+            super(new Handler());
         }
 
         public void register() {
diff --git a/src/com/android/settings/notification/AppNotificationSettings.java b/src/com/android/settings/notification/AppNotificationSettings.java
index d4cd6f8..45762c7 100644
--- a/src/com/android/settings/notification/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/AppNotificationSettings.java
@@ -25,8 +25,10 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.ResolveInfo;
 import android.os.Bundle;
+import android.provider.Settings;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceCategory;
+import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Log;
 
@@ -84,6 +86,11 @@
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        if (mUid < 0 || TextUtils.isEmpty(mPkg) || mPkgInfo == null) {
+            Log.w(TAG, "Missing package or uid or packageinfo");
+            toastAndFinish();
+            return;
+        }
         final Activity activity = getActivity();
         mDashboardFeatureProvider =
                 FeatureFactory.getFactory(activity).getDashboardFeatureProvider(activity);
@@ -124,7 +131,7 @@
                         channelArgs.putInt(AppInfoBase.ARG_PACKAGE_UID, mUid);
                         channelArgs.putBoolean(AppHeader.EXTRA_HIDE_INFO_BUTTON, true);
                         channelArgs.putString(AppInfoBase.ARG_PACKAGE_NAME, mPkg);
-                        channelArgs.putString(ARG_CHANNEL, channel.getId());
+                        channelArgs.putString(Settings.EXTRA_CHANNEL_ID, channel.getId());
                         Intent channelIntent = Utils.onBuildStartFragmentIntent(getActivity(),
                                 ChannelNotificationSettings.class.getName(),
                                 channelArgs, null, 0, null, false);
@@ -154,8 +161,8 @@
     @Override
     public void onResume() {
         super.onResume();
-        if ((mUid != -1 && getPackageManager().getPackagesForUid(mUid) == null)) {
-            // App isn't around anymore, must have been removed.
+        if (mUid < 0 || TextUtils.isEmpty(mPkg) || mPkgInfo == null) {
+            Log.w(TAG, "Missing package or uid or packageinfo");
             finish();
             return;
         }
diff --git a/src/com/android/settings/notification/ChannelNotificationSettings.java b/src/com/android/settings/notification/ChannelNotificationSettings.java
index 2749e03..ecce79e 100644
--- a/src/com/android/settings/notification/ChannelNotificationSettings.java
+++ b/src/com/android/settings/notification/ChannelNotificationSettings.java
@@ -26,7 +26,6 @@
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.admin.DevicePolicyManager;
-import android.content.Context;
 import android.content.Intent;
 import android.content.pm.UserInfo;
 import android.net.Uri;
@@ -35,6 +34,8 @@
 import android.provider.Settings;
 import android.service.notification.NotificationListenerService.Ranking;
 import android.support.v7.preference.Preference;
+import android.text.TextUtils;
+import android.util.Log;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.widget.LockPatternUtils;
@@ -87,6 +88,11 @@
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        if (mUid < 0 || TextUtils.isEmpty(mPkg) || mPkgInfo == null || mChannel == null) {
+            Log.w(TAG, "Missing package or uid or packageinfo or channel");
+            toastAndFinish();
+            return;
+        }
         final Activity activity = getActivity();
         mDashboardFeatureProvider =
                 FeatureFactory.getFactory(activity).getDashboardFeatureProvider(activity);
@@ -103,7 +109,7 @@
         mVibrate = (RestrictedSwitchPreference) findPreference(KEY_VIBRATE);
         mRingtone = (DefaultNotificationTonePreference) findPreference(KEY_RINGTONE);
 
-        if (mPkgInfo != null) {
+        if (mPkgInfo != null && mChannel != null) {
             setupPriorityPref(mChannel.canBypassDnd());
             setupVisOverridePref(mChannel.getLockscreenVisibility());
             setupLights();
@@ -131,8 +137,8 @@
     @Override
     public void onResume() {
         super.onResume();
-        if ((mUid != -1 && getPackageManager().getPackagesForUid(mUid) == null)) {
-            // App isn't around anymore, must have been removed.
+        if (mUid < 0 || TextUtils.isEmpty(mPkg) || mPkgInfo == null || mChannel == null) {
+            Log.w(TAG, "Missing package or uid or packageinfo or channel");
             finish();
             return;
         }
diff --git a/src/com/android/settings/notification/NotificationSettingsBase.java b/src/com/android/settings/notification/NotificationSettingsBase.java
index 1535269..f6c6591 100644
--- a/src/com/android/settings/notification/NotificationSettingsBase.java
+++ b/src/com/android/settings/notification/NotificationSettingsBase.java
@@ -18,6 +18,7 @@
 
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.Utils;
 import com.android.settings.applications.AppInfoBase;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedSwitchPreference;
@@ -44,8 +45,6 @@
     private static final String TAG = "NotifiSettingsBase";
     private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
-    protected static final String ARG_CHANNEL = "channel";
-
     protected static final String KEY_BLOCK = "block";
     protected static final String KEY_BADGE = "badge";
 
@@ -99,26 +98,26 @@
         mUid = args != null && args.containsKey(AppInfoBase.ARG_PACKAGE_UID)
                 ? args.getInt(AppInfoBase.ARG_PACKAGE_UID)
                 : intent.getIntExtra(Settings.EXTRA_APP_UID, -1);
-        if (mUid == -1 || TextUtils.isEmpty(mPkg)) {
-            Log.w(TAG, "Missing extras: " + Settings.EXTRA_APP_PACKAGE + " was " + mPkg + ", "
-                    + Settings.EXTRA_APP_UID + " was " + mUid);
-            toastAndFinish();
-            return;
-        }
-        mUserId = UserHandle.getUserId(mUid);
 
-        if (DEBUG) Log.d(TAG, "Load details for pkg=" + mPkg + " uid=" + mUid);
+        if (mUid < 0) {
+            try {
+                mUid = mPm.getPackageUid(mPkg, 0);
+            } catch (NameNotFoundException e) {
+            }
+        }
+
         mPkgInfo = findPackageInfo(mPkg, mUid);
-        if (mPkgInfo == null) {
-            Log.w(TAG, "Failed to find package info: " + Settings.EXTRA_APP_PACKAGE + " was " + mPkg
-                    + ", " + Settings.EXTRA_APP_UID + " was " + mUid);
+
+        if (mUid < 0 || TextUtils.isEmpty(mPkg) || mPkgInfo == null) {
+            Log.w(TAG, "Missing package or uid or packageinfo");
             toastAndFinish();
             return;
         }
 
+        mUserId = UserHandle.getUserId(mUid);
         mAppRow = mBackend.loadAppRow(mContext, mPm, mPkgInfo);
-        mChannel = (args != null && args.containsKey(ARG_CHANNEL)) ?
-                mBackend.getChannel(mPkg, mUid, args.getString(ARG_CHANNEL)) : null;
+        mChannel = (args != null && args.containsKey(Settings.EXTRA_CHANNEL_ID)) ?
+                mBackend.getChannel(mPkg, mUid, args.getString(Settings.EXTRA_CHANNEL_ID)) : null;
 
         mSuspendedAppsAdmin = RestrictedLockUtils.checkIfApplicationIsSuspended(
                 mContext, mPkg, mUserId);
@@ -130,8 +129,8 @@
     @Override
     public void onResume() {
         super.onResume();
-        if ((mUid != -1 && getPackageManager().getPackagesForUid(mUid) == null)) {
-            // App isn't around anymore, must have been removed.
+        if (mUid < 0 || TextUtils.isEmpty(mPkg) || mPkgInfo == null) {
+            Log.w(TAG, "Missing package or uid or packageinfo");
             finish();
             return;
         }
@@ -157,6 +156,9 @@
     }
 
     private PackageInfo findPackageInfo(String pkg, int uid) {
+        if (pkg == null || uid < 0) {
+            return null;
+        }
         final String[] packages = mPm.getPackagesForUid(uid);
         if (packages != null && pkg != null) {
             final int N = packages.length;
@@ -173,4 +175,16 @@
         }
         return null;
     }
+
+    private PackageInfo findPackageInfo(String pkg) {
+        if (pkg == null) {
+            return null;
+        }
+        try {
+            return mPm.getPackageInfo(pkg, PackageManager.GET_SIGNATURES);
+        } catch (NameNotFoundException e) {
+            Log.w(TAG, "Failed to load package " + pkg, e);
+        }
+        return null;
+    }
 }
diff --git a/src/com/android/settings/search/SearchIndexableResources.java b/src/com/android/settings/search/SearchIndexableResources.java
index 4f9f92c..aa3c257 100644
--- a/src/com/android/settings/search/SearchIndexableResources.java
+++ b/src/com/android/settings/search/SearchIndexableResources.java
@@ -72,6 +72,8 @@
 import com.android.settings.print.PrintSettingsFragment;
 import com.android.settings.sim.SimSettings;
 import com.android.settings.system.SystemDashboardFragment;
+import com.android.settings.tts.TtsEnginePreferenceFragment;
+import com.android.settings.tts.TtsSlidersFragment;
 import com.android.settings.users.UserSettings;
 import com.android.settings.wifi.AdvancedWifiSettings;
 import com.android.settings.wifi.ConfigureWifiSettings;
@@ -86,7 +88,8 @@
     @XmlRes
     public static final int NO_DATA_RES_ID = 0;
 
-    private static final HashMap<String, SearchIndexableResource> sResMap = new HashMap<>();
+    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+    static final HashMap<String, SearchIndexableResource> sResMap = new HashMap<>();
 
     @VisibleForTesting
     static void addIndex(Class<?> indexClass, @XmlRes int xmlResId,
@@ -167,6 +170,9 @@
         addIndex(ConnectedDeviceDashboardFragment.class, NO_DATA_RES_ID, R.drawable.ic_bt_laptop);
         addIndex(EnterprisePrivacySettings.class, NO_DATA_RES_ID, R.drawable.ic_settings_about);
         addIndex(PaymentSettings.class, NO_DATA_RES_ID, R.drawable.ic_settings_nfc_payment);
+        addIndex(
+                TtsEnginePreferenceFragment.class, NO_DATA_RES_ID, R.drawable.ic_settings_language);
+        addIndex(TtsSlidersFragment.class, NO_DATA_RES_ID, R.drawable.ic_settings_language);
     }
 
     private SearchIndexableResources() {
diff --git a/src/com/android/settings/search/SettingsSearchIndexablesProvider.java b/src/com/android/settings/search/SettingsSearchIndexablesProvider.java
index b2be146..b83f9fd 100644
--- a/src/com/android/settings/search/SettingsSearchIndexablesProvider.java
+++ b/src/com/android/settings/search/SettingsSearchIndexablesProvider.java
@@ -16,13 +16,20 @@
 
 package com.android.settings.search;
 
+import android.content.Context;
 import android.database.Cursor;
 import android.database.MatrixCursor;
 import android.provider.SearchIndexableResource;
 import android.provider.SearchIndexablesProvider;
+import android.util.Log;
+
+import com.android.settings.search2.DatabaseIndexingUtils;
 
 import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
 
+import static android.provider.SearchIndexablesContract.COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE;
 import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_CLASS_NAME;
 import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_ICON_RESID;
 import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_INTENT_ACTION;
@@ -35,7 +42,7 @@
 import static android.provider.SearchIndexablesContract.NON_INDEXABLES_KEYS_COLUMNS;
 
 public class SettingsSearchIndexablesProvider extends SearchIndexablesProvider {
-    private static final String TAG = "SettingsSearchIndexablesProvider";
+    private static final String TAG = "SettingsSearchProvider";
 
     @Override
     public boolean onCreate() {
@@ -47,7 +54,7 @@
         MatrixCursor cursor = new MatrixCursor(INDEXABLES_XML_RES_COLUMNS);
         Collection<SearchIndexableResource> values = SearchIndexableResources.values();
         for (SearchIndexableResource val : values) {
-            Object[] ref = new Object[7];
+            Object[] ref = new Object[INDEXABLES_XML_RES_COLUMNS.length];
             ref[COLUMN_INDEX_XML_RES_RANK] = val.rank;
             ref[COLUMN_INDEX_XML_RES_RESID] = val.xmlResId;
             ref[COLUMN_INDEX_XML_RES_CLASS_NAME] = val.className;
@@ -66,9 +73,45 @@
         return result;
     }
 
+    /**
+     * Gets a combined list non-indexable keys that come from providers inside of settings.
+     * The non-indexable keys are used in Settings search at both index and update time to verify
+     * the validity of results in the database.
+     */
     @Override
     public Cursor queryNonIndexableKeys(String[] projection) {
         MatrixCursor cursor = new MatrixCursor(NON_INDEXABLES_KEYS_COLUMNS);
+        final Collection<String> values = new HashSet<>();
+        final Context context = getContext();
+
+        for (SearchIndexableResource sir : SearchIndexableResources.values()) {
+            final Class<?> clazz = DatabaseIndexingUtils.getIndexableClass(sir.className);
+            if (clazz == null) {
+                Log.d(TAG, "SearchIndexableResource '" + sir.className +
+                        "' should implement the " + Indexable.class.getName() + " interface!");
+                continue;
+            }
+
+            final Indexable.SearchIndexProvider provider =
+                    DatabaseIndexingUtils.getSearchIndexProvider(clazz);
+
+            if (provider == null) {
+                Log.d(TAG, "Unable to get SearchIndexableProvider from " +
+                        Indexable.class.getName());
+                continue;
+            }
+
+            List<String> providerNonIndexableKeys = provider.getNonIndexableKeys(context);
+            if (providerNonIndexableKeys != null && providerNonIndexableKeys.size() > 0) {
+                values.addAll(providerNonIndexableKeys);
+            }
+        }
+
+        for (String nik : values) {
+            final Object[] ref = new Object[NON_INDEXABLES_KEYS_COLUMNS.length];
+            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] = nik;
+            cursor.addRow(ref);
+        }
         return cursor;
     }
 }
diff --git a/src/com/android/settings/search2/DatabaseResultLoader.java b/src/com/android/settings/search2/DatabaseResultLoader.java
index 8bb1a41..1f032a0 100644
--- a/src/com/android/settings/search2/DatabaseResultLoader.java
+++ b/src/com/android/settings/search2/DatabaseResultLoader.java
@@ -142,9 +142,7 @@
 
     private List<SearchResult> query(String[] matchColumns, int baseRank) {
         final String whereClause = buildWhereClause(matchColumns);
-        final String[] selection = new String[matchColumns.length];
-        final String query = "%" + mQueryText + "%";
-        Arrays.fill(selection, query);
+        final String[] selection = buildQuerySelection(matchColumns.length * 2);
 
         final Cursor resultCursor = mDatabase.query(TABLE_PREFS_INDEX, SELECT_COLUMNS, whereClause,
                 selection, null, null, null);
@@ -174,6 +172,8 @@
         final int count = matchColumns.length;
         for (int n = 0; n < count; n++) {
             sb.append(matchColumns[n]);
+            sb.append(" like ? OR ");
+            sb.append(matchColumns[n]);
             sb.append(" like ?");
             if (n < count - 1) {
                 sb.append(" OR ");
@@ -182,4 +182,23 @@
         sb.append(") AND enabled = 1");
         return sb.toString();
     }
+
+    /**
+     * Fills out the selection array to match the query as the prefix of a word.
+     *
+     * @param size is twice the number of columns to be matched. The first match is for the prefix
+     *             of the first word in the column. The second match is for any subsequent word
+     *             prefix match.
+     */
+    private String[] buildQuerySelection(int size) {
+        String[] selection = new String[size];
+        final String query = mQueryText + "%";
+        final String subStringQuery = "% " + mQueryText + "%";
+
+        for(int i = 0; i < (size - 1); i += 2) {
+            selection[i] = query;
+            selection[i + 1] = subStringQuery;
+        }
+        return selection;
+    }
 }
diff --git a/src/com/android/settings/tts/TextToSpeechSettings.java b/src/com/android/settings/tts/TextToSpeechSettings.java
index 96a7f4e..fe78d20 100644
--- a/src/com/android/settings/tts/TextToSpeechSettings.java
+++ b/src/com/android/settings/tts/TextToSpeechSettings.java
@@ -16,29 +16,27 @@
 
 package com.android.settings.tts;
 
+import android.support.v7.preference.ListPreference;
 import android.app.AlertDialog;
 import android.content.ActivityNotFoundException;
 import android.content.ContentResolver;
 import android.content.Intent;
 import android.os.Bundle;
-import android.provider.Settings.SettingNotFoundException;
 import android.speech.tts.TextToSpeech;
 import android.speech.tts.TextToSpeech.EngineInfo;
 import android.speech.tts.TtsEngines;
 import android.speech.tts.UtteranceProgressListener;
-import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
 import android.text.TextUtils;
 import android.util.Log;
-import android.widget.Checkable;
+import android.util.Pair;
+import java.util.Comparator;
+import java.util.Collections;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
-import com.android.settings.SeekBarPreference;
 import com.android.settings.SettingsActivity;
 import com.android.settings.SettingsPreferenceFragment;
-import com.android.settings.tts.TtsEnginePreference.RadioButtonGroupState;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -48,13 +46,15 @@
 import java.util.Objects;
 import java.util.Set;
 
-import static android.provider.Settings.Secure.TTS_DEFAULT_PITCH;
-import static android.provider.Settings.Secure.TTS_DEFAULT_RATE;
 import static android.provider.Settings.Secure.TTS_DEFAULT_SYNTH;
+import static android.provider.Settings.Secure.TTS_DEFAULT_PITCH;
 
-public class TextToSpeechSettings extends SettingsPreferenceFragment implements
-        Preference.OnPreferenceChangeListener, Preference.OnPreferenceClickListener,
-        RadioButtonGroupState {
+public class TextToSpeechSettings extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener, Preference.OnPreferenceClickListener {
+
+    private static final String STATE_KEY_LOCALE_ENTRIES = "locale_entries";
+    private static final String STATE_KEY_LOCALE_ENTRY_VALUES = "locale_entry_values";
+    private static final String STATE_KEY_LOCALE_VALUE = "locale_value";
 
     private static final String TAG = "TextToSpeechSettings";
     private static final boolean DBG = false;
@@ -62,84 +62,37 @@
     /** Preference key for the "play TTS example" preference. */
     private static final String KEY_PLAY_EXAMPLE = "tts_play_example";;
 
-    /** Preference key for the TTS pitch selection slider. */
-    private static final String KEY_DEFAULT_PITCH = "tts_default_pitch";
-
-    /** Preference key for the TTS rate selection slider. */
-    private static final String KEY_DEFAULT_RATE = "tts_default_rate";
-
-    /** Preference key for the TTS reset speech rate preference. */
-    private static final String KEY_RESET_SPEECH_RATE = "reset_speech_rate";
-
-    /** Preference key for the TTS reset speech pitch preference. */
-    private static final String KEY_RESET_SPEECH_PITCH = "reset_speech_pitch";
-
     /** Preference key for the TTS status field. */
     private static final String KEY_STATUS = "tts_status";
 
     /**
-     * Preference key for the engine selection preference.
-     */
-    private static final String KEY_ENGINE_PREFERENCE_SECTION =
-            "tts_engine_preference_section";
-
-    /**
      * These look like birth years, but they aren't mine. I'm much younger than this.
      */
     private static final int GET_SAMPLE_TEXT = 1983;
     private static final int VOICE_DATA_INTEGRITY_CHECK = 1977;
 
-    /**
-     * Speech rate value.
-     * This value should be kept in sync with the max value set in tts_settings xml.
-     */
-    private static final int MAX_SPEECH_RATE = 600;
-    private static final int MIN_SPEECH_RATE = 10;
-
-    /**
-     * Speech pitch value.
-     * TTS pitch value varies from 25 to 400, where 100 is the value
-     * for normal pitch. The max pitch value is set to 400, based on feedback from users
-     * and the GoogleTTS pitch variation range. The range for pitch is not set in stone
-     * and should be readjusted based on user need.
-     * This value should be kept in sync with the max value set in tts_settings xml.
-     */
-    private static final int MAX_SPEECH_PITCH = 400;
-    private static final int MIN_SPEECH_PITCH = 25;
-
-    private PreferenceCategory mEnginePreferenceCategory;
-    private SeekBarPreference mDefaultPitchPref;
-    private SeekBarPreference mDefaultRatePref;
-    private Preference mResetSpeechRate;
-    private Preference mResetSpeechPitch;
     private Preference mPlayExample;
     private Preference mEngineStatus;
 
-    private int mDefaultPitch = TextToSpeech.Engine.DEFAULT_PITCH;
-    private int mDefaultRate = TextToSpeech.Engine.DEFAULT_RATE;
 
-    /**
-     * The currently selected engine.
-     */
+    private static final String KEY_ENGINE_LOCALE = "tts_default_lang";
+    private static final String KEY_ENGINE_SETTINGS = "tts_engine_settings";
+    private static final String KEY_INSTALL_DATA = "tts_install_data";
+
+    private int mSelectedLocaleIndex = -1;
+
+    /** The currently selected engine. */
     private String mCurrentEngine;
 
-    /**
-     * The engine checkbox that is currently checked. Saves us a bit of effort
-     * in deducing the right one from the currently selected engine.
-     */
-    private Checkable mCurrentChecked;
-
-    /**
-     * The previously selected TTS engine. Useful for rollbacks if the users
-     * choice is not loaded or fails a voice integrity check.
-     */
-    private String mPreviousEngine;
-
     private TextToSpeech mTts = null;
     private TtsEngines mEnginesHelper = null;
 
     private String mSampleText = null;
 
+    private ListPreference mLocalePreference;
+    private Preference mEngineSettingsPreference;
+    private Preference mInstallVoicesPreference;
+
     /**
      * Default locale used by selected TTS engine, null if not connected to any engine.
      */
@@ -164,18 +117,6 @@
         }
     };
 
-    /**
-     * The initialization listener used when the user changes his choice of
-     * engine (as opposed to when then screen is being initialized for the first
-     * time).
-     */
-    private final TextToSpeech.OnInitListener mUpdateListener = new TextToSpeech.OnInitListener() {
-        @Override
-        public void onInit(int status) {
-            onUpdateEngine(status);
-        }
-    };
-
     @Override
     public int getMetricsCategory() {
         return MetricsEvent.TTS_TEXT_TO_SPEECH;
@@ -192,21 +133,40 @@
         mPlayExample.setOnPreferenceClickListener(this);
         mPlayExample.setEnabled(false);
 
-        mResetSpeechRate = findPreference(KEY_RESET_SPEECH_RATE);
-        mResetSpeechRate.setOnPreferenceClickListener(this);
-        mResetSpeechPitch = findPreference(KEY_RESET_SPEECH_PITCH);
-        mResetSpeechPitch.setOnPreferenceClickListener(this);
+        mEnginesHelper = new TtsEngines(getActivity().getApplicationContext());
 
-        mEnginePreferenceCategory = (PreferenceCategory) findPreference(
-                KEY_ENGINE_PREFERENCE_SECTION);
-        mDefaultPitchPref = (SeekBarPreference) findPreference(KEY_DEFAULT_PITCH);
-        mDefaultRatePref = (SeekBarPreference) findPreference(KEY_DEFAULT_RATE);
+        mLocalePreference = (ListPreference) findPreference(KEY_ENGINE_LOCALE);
+        mLocalePreference.setOnPreferenceChangeListener(this);
+
+        if (savedInstanceState == null) {
+            mLocalePreference.setEnabled(false);
+            mLocalePreference.setEntries(new CharSequence[0]);
+            mLocalePreference.setEntryValues(new CharSequence[0]);
+        } else {
+            // Repopulate mLocalePreference with saved state. Will be updated later with
+            // up-to-date values when checkTtsData() calls back with results.
+            final CharSequence[] entries =
+                    savedInstanceState.getCharSequenceArray(STATE_KEY_LOCALE_ENTRIES);
+            final CharSequence[] entryValues =
+                    savedInstanceState.getCharSequenceArray(STATE_KEY_LOCALE_ENTRY_VALUES);
+            final CharSequence value = savedInstanceState.getCharSequence(STATE_KEY_LOCALE_VALUE);
+
+            mLocalePreference.setEntries(entries);
+            mLocalePreference.setEntryValues(entryValues);
+            mLocalePreference.setValue(value != null ? value.toString() : null);
+            mLocalePreference.setEnabled(entries.length > 0);
+        }
+
+        mEngineSettingsPreference = findPreference(KEY_ENGINE_SETTINGS);
+        mEngineSettingsPreference.setOnPreferenceClickListener(this);
+        mInstallVoicesPreference = findPreference(KEY_INSTALL_DATA);
+        mInstallVoicesPreference.setOnPreferenceClickListener(this);
+        mInstallVoicesPreference.setEnabled(false);
 
         mEngineStatus = findPreference(KEY_STATUS);
         updateEngineStatus(R.string.tts_status_checking);
 
         mTts = new TextToSpeech(getActivity().getApplicationContext(), mInitListener);
-        mEnginesHelper = new TtsEngines(getActivity().getApplicationContext());
 
         setTtsUtteranceProgressListener();
         initSettings();
@@ -222,6 +182,23 @@
         if (mTts == null || mCurrentDefaultLocale == null) {
             return;
         }
+        if (!mTts.getDefaultEngine().equals(mTts.getCurrentEngine())) {
+            try {
+                mTts.shutdown();
+                mTts = null;
+            } catch (Exception e) {
+                Log.e(TAG, "Error shutting down TTS engine" + e);
+            }
+            mTts = new TextToSpeech(getActivity().getApplicationContext(), mInitListener);
+            setTtsUtteranceProgressListener();
+            initSettings();
+        } else {
+            // Do set pitch correctly after it may have changed, and unlike speed, it doesn't change
+            // immediately.
+            final ContentResolver resolver = getContentResolver();
+            mTts.setPitch(android.provider.Settings.Secure.getInt(resolver, TTS_DEFAULT_PITCH, TextToSpeech.Engine.DEFAULT_PITCH)/100.0f);
+        }
+
         Locale ttsDefaultLocale = mTts.getDefaultLanguage();
         if (mCurrentDefaultLocale != null && !mCurrentDefaultLocale.equals(ttsDefaultLocale)) {
             updateWidgetState(false);
@@ -259,26 +236,9 @@
     private void initSettings() {
         final ContentResolver resolver = getContentResolver();
 
-        // Set up the default rate and pitch.
-        mDefaultRate = android.provider.Settings.Secure.getInt(
-            resolver, TTS_DEFAULT_RATE, TextToSpeech.Engine.DEFAULT_RATE);
-        mDefaultPitch = android.provider.Settings.Secure.getInt(
-            resolver, TTS_DEFAULT_PITCH, TextToSpeech.Engine.DEFAULT_PITCH);
-
-        mDefaultRatePref.setProgress(getSeekBarProgressFromValue(KEY_DEFAULT_RATE, mDefaultRate));
-        mDefaultRatePref.setOnPreferenceChangeListener(this);
-        mDefaultRatePref.setMax(getSeekBarProgressFromValue(KEY_DEFAULT_RATE, MAX_SPEECH_RATE));
-
-        mDefaultPitchPref.setProgress(getSeekBarProgressFromValue(KEY_DEFAULT_PITCH,
-              mDefaultPitch));
-        mDefaultPitchPref.setOnPreferenceChangeListener(this);
-        mDefaultPitchPref.setMax(getSeekBarProgressFromValue(KEY_DEFAULT_PITCH,
-              MAX_SPEECH_PITCH));
-
         if (mTts != null) {
             mCurrentEngine = mTts.getCurrentEngine();
-            mTts.setSpeechRate(mDefaultRate/100.0f);
-            mTts.setPitch(mDefaultPitch/100.0f);
+            mTts.setPitch(android.provider.Settings.Secure.getInt(resolver, TTS_DEFAULT_PITCH, TextToSpeech.Engine.DEFAULT_PITCH)/100.0f);
         }
 
         SettingsActivity activity = null;
@@ -289,53 +249,37 @@
                     "Settings");
         }
 
-        mEnginePreferenceCategory.removeAll();
+        if (mCurrentEngine != null) {
+            EngineInfo info = mEnginesHelper.getEngineInfo(mCurrentEngine);
+            mEngineSettingsPreference.setSummary(info.label);
+            final Intent settingsIntent = mEnginesHelper.getSettingsIntent(info.name);
+            mEngineSettingsPreference.setIntent(settingsIntent);
+            if (settingsIntent == null) {
+                mEngineSettingsPreference.setEnabled(false);
+            }
 
-        List<EngineInfo> engines = mEnginesHelper.getEngines();
-        for (EngineInfo engine : engines) {
-            TtsEnginePreference enginePref = new TtsEnginePreference(getPrefContext(), engine,
-                    this, activity);
-            mEnginePreferenceCategory.addPreference(enginePref);
+            Preference mEnginePreference = findPreference("tts_engine_preference");
+            mEnginePreference.setSummary(info.label);
         }
 
         checkVoiceData(mCurrentEngine);
     }
 
     /**
-     * The minimum speech pitch/rate value should be > 0 but the minimum value of a seekbar in
-     * android is fixed at 0. Therefore, we increment the seekbar progress with MIN_SPEECH_VALUE
-     * so that the minimum seekbar progress value is MIN_SPEECH_PITCH/RATE.
-     *     SPEECH_VALUE = MIN_SPEECH_VALUE + SEEKBAR_PROGRESS
-     */
-    private int getValueFromSeekBarProgress(String preferenceKey, int progress) {
-        if (preferenceKey.equals(KEY_DEFAULT_RATE)) {
-            return MIN_SPEECH_RATE + progress;
-        } else if (preferenceKey.equals(KEY_DEFAULT_PITCH)) {
-            return MIN_SPEECH_PITCH + progress;
-        }
-        return progress;
-    }
-
-    /**
-     * Since we are appending the MIN_SPEECH value to the speech seekbar progress, the
-     * speech seekbar progress should be set to (speechValue - MIN_SPEECH value).
-     */
-    private int getSeekBarProgressFromValue(String preferenceKey, int value) {
-        if (preferenceKey.equals(KEY_DEFAULT_RATE)) {
-            return value - MIN_SPEECH_RATE;
-        } else if (preferenceKey.equals(KEY_DEFAULT_PITCH)) {
-            return value - MIN_SPEECH_PITCH;
-        }
-        return value;
-    }
-
-    /**
      * Called when the TTS engine is initialized.
      */
     public void onInitEngine(int status) {
         if (status == TextToSpeech.SUCCESS) {
             if (DBG) Log.d(TAG, "TTS engine for settings screen initialized.");
             checkDefaultLocale();
+            getActivity()
+                    .runOnUiThread(
+                            new Runnable() {
+                                @Override
+                                public void run() {
+                                    mLocalePreference.setEnabled(true);
+                                }
+                            });
         } else {
             if (DBG) Log.d(TAG, "TTS engine for settings screen failed to initialize successfully.");
             updateWidgetState(false);
@@ -452,9 +396,88 @@
             onSampleTextReceived(resultCode, data);
         } else if (requestCode == VOICE_DATA_INTEGRITY_CHECK) {
             onVoiceDataIntegrityCheckDone(data);
+            if (resultCode != TextToSpeech.Engine.CHECK_VOICE_DATA_FAIL) {
+                updateDefaultLocalePref(data);
+            }
         }
     }
 
+    private void updateDefaultLocalePref(Intent data) {
+        final ArrayList<String> availableLangs =
+                data.getStringArrayListExtra(TextToSpeech.Engine.EXTRA_AVAILABLE_VOICES);
+
+        final ArrayList<String> unavailableLangs =
+                data.getStringArrayListExtra(TextToSpeech.Engine.EXTRA_UNAVAILABLE_VOICES);
+
+        if (availableLangs != null && unavailableLangs.size() > 0) {
+            mInstallVoicesPreference.setEnabled(true);
+        } else {
+            mInstallVoicesPreference.setEnabled(false);
+        }
+
+        if (availableLangs == null || availableLangs.size() == 0) {
+            mLocalePreference.setEnabled(false);
+            return;
+        }
+        Locale currentLocale = null;
+        if (!mEnginesHelper.isLocaleSetToDefaultForEngine(mTts.getCurrentEngine())) {
+            currentLocale = mEnginesHelper.getLocalePrefForEngine(mTts.getCurrentEngine());
+        }
+
+        ArrayList<Pair<String, Locale>> entryPairs =
+                new ArrayList<Pair<String, Locale>>(availableLangs.size());
+        for (int i = 0; i < availableLangs.size(); i++) {
+            Locale locale = mEnginesHelper.parseLocaleString(availableLangs.get(i));
+            if (locale != null) {
+                entryPairs.add(new Pair<String, Locale>(locale.getDisplayName(), locale));
+            }
+        }
+
+        // Sort it
+        Collections.sort(
+                entryPairs,
+                new Comparator<Pair<String, Locale>>() {
+                    @Override
+                    public int compare(Pair<String, Locale> lhs, Pair<String, Locale> rhs) {
+                        return lhs.first.compareToIgnoreCase(rhs.first);
+                    }
+                });
+
+        // Get two arrays out of one of pairs
+        mSelectedLocaleIndex = 0; // Will point to the R.string.tts_lang_use_system value
+        CharSequence[] entries = new CharSequence[availableLangs.size() + 1];
+        CharSequence[] entryValues = new CharSequence[availableLangs.size() + 1];
+
+        entries[0] = getActivity().getString(R.string.tts_lang_use_system);
+        entryValues[0] = "";
+
+        int i = 1;
+        for (Pair<String, Locale> entry : entryPairs) {
+            if (entry.second.equals(currentLocale)) {
+                mSelectedLocaleIndex = i;
+            }
+            entries[i] = entry.first;
+            entryValues[i++] = entry.second.toString();
+        }
+
+        mLocalePreference.setEntries(entries);
+        mLocalePreference.setEntryValues(entryValues);
+        mLocalePreference.setEnabled(true);
+        setLocalePreference(mSelectedLocaleIndex);
+    }
+
+    /** Set entry from entry table in mLocalePreference */
+    private void setLocalePreference(int index) {
+        if (index < 0) {
+            mLocalePreference.setValue("");
+            mLocalePreference.setSummary(R.string.tts_lang_not_selected);
+        } else {
+            mLocalePreference.setValueIndex(index);
+            mLocalePreference.setSummary(mLocalePreference.getEntries()[index]);
+        }
+    }
+
+
     private String getDefaultSampleString() {
         if (mTts != null && mTts.getLanguage() != null) {
             try {
@@ -522,17 +545,59 @@
 
     @Override
     public boolean onPreferenceChange(Preference preference, Object objValue) {
-        if (KEY_DEFAULT_RATE.equals(preference.getKey())) {
-            updateSpeechRate((Integer) objValue);
-        } else if (KEY_DEFAULT_PITCH.equals(preference.getKey())) {
-            updateSpeechPitchValue((Integer) objValue);
+        if (preference == mLocalePreference) {
+            String localeString = (String) objValue;
+            updateLanguageTo(
+                    (!TextUtils.isEmpty(localeString)
+                            ? mEnginesHelper.parseLocaleString(localeString)
+                            : null));
+            checkDefaultLocale();
+            return true;
         }
         return true;
     }
 
+    private void updateLanguageTo(Locale locale) {
+        int selectedLocaleIndex = -1;
+        String localeString = (locale != null) ? locale.toString() : "";
+        for (int i = 0; i < mLocalePreference.getEntryValues().length; i++) {
+            if (localeString.equalsIgnoreCase(mLocalePreference.getEntryValues()[i].toString())) {
+                selectedLocaleIndex = i;
+                break;
+            }
+        }
+
+        if (selectedLocaleIndex == -1) {
+            Log.w(TAG, "updateLanguageTo called with unknown locale argument");
+            return;
+        }
+        mLocalePreference.setSummary(mLocalePreference.getEntries()[selectedLocaleIndex]);
+        mSelectedLocaleIndex = selectedLocaleIndex;
+
+        mEnginesHelper.updateLocalePrefForEngine(mTts.getCurrentEngine(), locale);
+
+        // Null locale means "use system default"
+        mTts.setLanguage((locale != null) ? locale : Locale.getDefault());
+    }
+
     /**
-     * Called when mPlayExample, mResetSpeechRate or mResetSpeechPitch is
-     * clicked.
+     * Ask the current default engine to launch the matching INSTALL_TTS_DATA activity so the
+     * required TTS files are properly installed.
+     */
+    private void installVoiceData() {
+        if (TextUtils.isEmpty(mCurrentEngine)) return;
+        Intent intent = new Intent(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
+        intent.setPackage(mCurrentEngine);
+        try {
+            Log.v(TAG, "Installing voice data: " + intent.toUri(0));
+            startActivity(intent);
+        } catch (ActivityNotFoundException ex) {
+            Log.e(TAG, "Failed to install TTS data, no acitivty found for " + intent + ")");
+        }
+    }
+
+    /**
+     * Called when mPlayExample, mInstallVoicesPreference is clicked.
      */
     @Override
     public boolean onPreferenceClick(Preference preference) {
@@ -541,57 +606,15 @@
             // the actual speaking
             speakSampleText();
             return true;
-        } else if (preference == mResetSpeechRate) {
-          int speechRateSeekbarProgress = getSeekBarProgressFromValue(
-              KEY_DEFAULT_RATE, TextToSpeech.Engine.DEFAULT_RATE);
-          mDefaultRatePref.setProgress(speechRateSeekbarProgress);
-          updateSpeechRate(speechRateSeekbarProgress);
-          return true;
-        } else if (preference == mResetSpeechPitch) {
-          int pitchSeekbarProgress = getSeekBarProgressFromValue(
-              KEY_DEFAULT_PITCH, TextToSpeech.Engine.DEFAULT_PITCH);
-          mDefaultPitchPref.setProgress(pitchSeekbarProgress);
-          updateSpeechPitchValue(pitchSeekbarProgress);
-          return true;
+        } else if (preference == mInstallVoicesPreference) {
+            installVoiceData();
+            return true;
         }
         return false;
     }
 
-    private void updateSpeechRate(int speechRateSeekBarProgress) {
-        mDefaultRate = getValueFromSeekBarProgress(KEY_DEFAULT_RATE,
-            speechRateSeekBarProgress);
-        try {
-            android.provider.Settings.Secure.putInt(getContentResolver(),
-                    TTS_DEFAULT_RATE, mDefaultRate);
-            if (mTts != null) {
-                mTts.setSpeechRate(mDefaultRate / 100.0f);
-            }
-            if (DBG) Log.d(TAG, "TTS default rate changed, now " + mDefaultRate);
-        } catch (NumberFormatException e) {
-            Log.e(TAG, "could not persist default TTS rate setting", e);
-        }
-        return;
-    }
-
-    private void updateSpeechPitchValue(int speechPitchSeekBarProgress) {
-        mDefaultPitch = getValueFromSeekBarProgress(KEY_DEFAULT_PITCH,
-            speechPitchSeekBarProgress);
-        try {
-            android.provider.Settings.Secure.putInt(getContentResolver(),
-                    TTS_DEFAULT_PITCH, mDefaultPitch);
-            if (mTts != null) {
-                mTts.setPitch(mDefaultPitch / 100.0f);
-            }
-            if (DBG) Log.d(TAG, "TTS default pitch changed, now" + mDefaultPitch);
-        } catch (NumberFormatException e) {
-            Log.e(TAG, "could not persist default TTS pitch setting", e);
-        }
-        return;
-    }
-
     private void updateWidgetState(boolean enable) {
         mPlayExample.setEnabled(enable);
-        mDefaultRatePref.setEnabled(enable);
         mEngineStatus.setEnabled(enable);
     }
 
@@ -614,67 +637,7 @@
         dialog.show();
     }
 
-    private void updateDefaultEngine(String engine) {
-        if (DBG) Log.d(TAG, "Updating default synth to : " + engine);
-
-        // Disable the "play sample text" preference and the speech
-        // rate preference while the engine is being swapped.
-        updateWidgetState(false);
-        updateEngineStatus(R.string.tts_status_checking);
-
-        // Keep track of the previous engine that was being used. So that
-        // we can reuse the previous engine.
-        //
-        // Note that if TextToSpeech#getCurrentEngine is not null, it means at
-        // the very least that we successfully bound to the engine service.
-        mPreviousEngine = mTts.getCurrentEngine();
-
-        // Step 1: Shut down the existing TTS engine.
-        if (mTts != null) {
-            try {
-                mTts.shutdown();
-                mTts = null;
-            } catch (Exception e) {
-                Log.e(TAG, "Error shutting down TTS engine" + e);
-            }
-        }
-
-        // Step 2: Connect to the new TTS engine.
-        // Step 3 is continued on #onUpdateEngine (below) which is called when
-        // the app binds successfully to the engine.
-        if (DBG) Log.d(TAG, "Updating engine : Attempting to connect to engine: " + engine);
-        mTts = new TextToSpeech(getActivity().getApplicationContext(), mUpdateListener, engine);
-        setTtsUtteranceProgressListener();
-    }
-
-    /*
-     * Step 3: We have now bound to the TTS engine the user requested. We will
-     * attempt to check voice data for the engine if we successfully bound to it,
-     * or revert to the previous engine if we didn't.
-     */
-    public void onUpdateEngine(int status) {
-        if (status == TextToSpeech.SUCCESS) {
-            if (DBG) {
-                Log.d(TAG, "Updating engine: Successfully bound to the engine: " +
-                        mTts.getCurrentEngine());
-            }
-            checkVoiceData(mTts.getCurrentEngine());
-        } else {
-            if (DBG) Log.d(TAG, "Updating engine: Failed to bind to engine, reverting.");
-            if (mPreviousEngine != null) {
-                // This is guaranteed to at least bind, since mPreviousEngine would be
-                // null if the previous bind to this engine failed.
-                mTts = new TextToSpeech(getActivity().getApplicationContext(), mInitListener,
-                        mPreviousEngine);
-                setTtsUtteranceProgressListener();
-            }
-            mPreviousEngine = null;
-        }
-    }
-
-    /*
-     * Step 4: Check whether the voice data for the engine is ok.
-     */
+    /** Check whether the voice data for the engine is ok. */
     private void checkVoiceData(String engine) {
         Intent intent = new Intent(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
         intent.setPackage(engine);
@@ -686,9 +649,7 @@
         }
     }
 
-    /*
-     * Step 5: The voice data check is complete.
-     */
+    /** The voice data check is complete. */
     private void onVoiceDataIntegrityCheckDone(Intent data) {
         final String engine = mTts.getCurrentEngine();
 
@@ -715,39 +676,5 @@
         if (evaluateDefaultLocale()) {
             getSampleText();
         }
-
-        final int engineCount = mEnginePreferenceCategory.getPreferenceCount();
-        for (int i = 0; i < engineCount; ++i) {
-            final Preference p = mEnginePreferenceCategory.getPreference(i);
-            if (p instanceof TtsEnginePreference) {
-                TtsEnginePreference enginePref = (TtsEnginePreference) p;
-                if (enginePref.getKey().equals(engine)) {
-                    enginePref.setVoiceDataDetails(data);
-                    break;
-                }
-            }
-        }
     }
-
-    @Override
-    public Checkable getCurrentChecked() {
-        return mCurrentChecked;
-    }
-
-    @Override
-    public String getCurrentKey() {
-        return mCurrentEngine;
-    }
-
-    @Override
-    public void setCurrentChecked(Checkable current) {
-        mCurrentChecked = current;
-    }
-
-    @Override
-    public void setCurrentKey(String key) {
-        mCurrentEngine = key;
-        updateDefaultEngine(mCurrentEngine);
-    }
-
 }
diff --git a/src/com/android/settings/tts/TtsEnginePreference.java b/src/com/android/settings/tts/TtsEnginePreference.java
index 385b861..9a84002 100644
--- a/src/com/android/settings/tts/TtsEnginePreference.java
+++ b/src/com/android/settings/tts/TtsEnginePreference.java
@@ -20,19 +20,16 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
-import android.os.Bundle;
 import android.speech.tts.TextToSpeech.EngineInfo;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceViewHolder;
 import android.util.Log;
-import android.view.View;
 import android.widget.Checkable;
 import android.widget.CompoundButton;
 import android.widget.RadioButton;
 
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
-import com.android.settings.Utils;
 
 
 public class TtsEnginePreference extends Preference {
@@ -40,31 +37,6 @@
     private static final String TAG = "TtsEnginePreference";
 
     /**
-     * Key for the name of the TTS engine passed in to the engine
-     * settings fragment {@link TtsEngineSettingsFragment}.
-     */
-    static final String FRAGMENT_ARGS_NAME = "name";
-
-    /**
-     * Key for the label of the TTS engine passed in to the engine
-     * settings fragment. This is used as the title of the fragment
-     * {@link TtsEngineSettingsFragment}.
-     */
-    static final String FRAGMENT_ARGS_LABEL = "label";
-
-    /**
-     * Key for the voice data data passed in to the engine settings
-     * fragmetn {@link TtsEngineSettingsFragment}.
-     */
-    static final String FRAGMENT_ARGS_VOICES = "voices";
-
-    /**
-     * The preference activity that owns this preference. Required
-     * for instantiating the engine specific settings screen.
-     */
-    private final SettingsActivity mSettingsActivity;
-
-    /**
      * The engine information for the engine this preference represents.
      * Contains it's name, label etc. which are used for display.
      */
@@ -81,7 +53,6 @@
      */
     private volatile boolean mPreventRadioButtonCallbacks;
 
-    private View mSettingsIcon;
     private RadioButton mRadioButton;
     private Intent mVoiceCheckData;
 
@@ -99,7 +70,6 @@
         setLayoutResource(R.layout.preference_tts_engine);
 
         mSharedState = state;
-        mSettingsActivity = prefActivity;
         mEngineInfo = info;
         mPreventRadioButtonCallbacks = false;
 
@@ -130,52 +100,10 @@
         mPreventRadioButtonCallbacks = false;
 
         mRadioButton = rb;
-
-        mSettingsIcon = view.findViewById(R.id.tts_engine_settings);
-        // Will be enabled only the engine has passed the voice check, and
-        // is currently enabled.
-        mSettingsIcon.setEnabled(isChecked && mVoiceCheckData != null);
-        if (!isChecked) {
-            mSettingsIcon.setAlpha(Utils.DISABLED_ALPHA);
-        }
-        mSettingsIcon.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Bundle args = new Bundle();
-                args.putString(FRAGMENT_ARGS_NAME, mEngineInfo.name);
-                args.putString(FRAGMENT_ARGS_LABEL, mEngineInfo.label);
-                if (mVoiceCheckData != null) {
-                    args.putParcelable(FRAGMENT_ARGS_VOICES, mVoiceCheckData);
-                }
-
-                // Note that we use this instead of the (easier to use)
-                // SettingsActivity.startPreferenceFragment because the
-                // title will not be updated correctly in the fragment
-                // breadcrumb since it isn't inflated from the XML layout.
-                mSettingsActivity.startPreferencePanel(
-                        TtsEngineSettingsFragment.class.getName(),
-                        args, 0, mEngineInfo.label, null, 0);
-            }
-        });
-
-        if (mVoiceCheckData != null) {
-            mSettingsIcon.setEnabled(mRadioButton.isChecked());
-        }
     }
 
     public void setVoiceDataDetails(Intent data) {
         mVoiceCheckData = data;
-        // This might end up running before getView aboive, in which
-        // case mSettingsIcon && mRadioButton will be null. In this case
-        // getView will set the right values.
-        if (mSettingsIcon != null && mRadioButton != null) {
-            if (mRadioButton.isChecked()) {
-                mSettingsIcon.setEnabled(true);
-            } else {
-                mSettingsIcon.setEnabled(false);
-                mSettingsIcon.setAlpha(Utils.DISABLED_ALPHA);
-            }
-        }
     }
 
     private boolean shouldDisplayDataAlert() {
@@ -227,8 +155,6 @@
                 // Privileged engine, set it current
                 makeCurrentEngine(buttonView);
             }
-        } else {
-            mSettingsIcon.setEnabled(false);
         }
     }
 
@@ -239,7 +165,6 @@
         mSharedState.setCurrentChecked(current);
         mSharedState.setCurrentKey(getKey());
         callChangeListener(mSharedState.getCurrentKey());
-        mSettingsIcon.setEnabled(true);
     }
 
 
diff --git a/src/com/android/settings/tts/TtsEnginePreferenceFragment.java b/src/com/android/settings/tts/TtsEnginePreferenceFragment.java
new file mode 100644
index 0000000..e0ed8b7
--- /dev/null
+++ b/src/com/android/settings/tts/TtsEnginePreferenceFragment.java
@@ -0,0 +1,194 @@
+package com.android.settings.tts;
+
+import android.speech.tts.TextToSpeech;
+import com.android.settings.R;
+import android.os.Bundle;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import android.support.v7.preference.PreferenceCategory;
+import android.speech.tts.TtsEngines;
+import android.speech.tts.TextToSpeech.EngineInfo;
+import com.android.settings.SettingsActivity;
+import com.android.settings.tts.TtsEnginePreference.RadioButtonGroupState;
+import android.widget.Checkable;
+import android.util.Log;
+import static android.provider.Settings.Secure.TTS_DEFAULT_SYNTH;
+import com.android.settings.search.Indexable;
+import com.android.settings.search.BaseSearchIndexProvider;
+import android.content.Context;
+import android.provider.SearchIndexableResource;
+
+import java.util.List;
+import java.util.Arrays;
+
+public class TtsEnginePreferenceFragment extends SettingsPreferenceFragment //implements
+        implements RadioButtonGroupState, Indexable {
+    private static final String TAG = "TtsEnginePreferenceFragment";
+
+    private static final int VOICE_DATA_INTEGRITY_CHECK = 1977;
+
+    /** The currently selected engine. */
+    private String mCurrentEngine;
+
+    /**
+     * The engine checkbox that is currently checked. Saves us a bit of effort in deducing the right
+     * one from the currently selected engine.
+     */
+    private Checkable mCurrentChecked;
+
+    /**
+     * The previously selected TTS engine. Useful for rollbacks if the users choice is not loaded or
+     * fails a voice integrity check.
+     */
+    private String mPreviousEngine;
+
+    private PreferenceCategory mEnginePreferenceCategory;
+
+    private TextToSpeech mTts = null;
+    private TtsEngines mEnginesHelper = null;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.tts_engine_picker);
+
+        mEnginePreferenceCategory =
+                (PreferenceCategory) findPreference("tts_engine_preference_category");
+        mEnginesHelper = new TtsEngines(getActivity().getApplicationContext());
+
+        mTts = new TextToSpeech(getActivity().getApplicationContext(), null);
+
+        initSettings();
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.TTS_ENGINE_SETTINGS;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        if (mTts != null) {
+            mTts.shutdown();
+            mTts = null;
+        }
+    }
+
+    private void initSettings() {
+        if (mTts != null) {
+            mCurrentEngine = mTts.getCurrentEngine();
+        }
+
+        mEnginePreferenceCategory.removeAll();
+
+        SettingsActivity activity = (SettingsActivity) getActivity();
+
+        List<EngineInfo> engines = mEnginesHelper.getEngines();
+        for (EngineInfo engine : engines) {
+            TtsEnginePreference enginePref =
+                    new TtsEnginePreference(getPrefContext(), engine, this, activity);
+            mEnginePreferenceCategory.addPreference(enginePref);
+        }
+    }
+
+    @Override
+    public Checkable getCurrentChecked() {
+        return mCurrentChecked;
+    }
+
+    @Override
+    public String getCurrentKey() {
+        return mCurrentEngine;
+    }
+
+    @Override
+    public void setCurrentChecked(Checkable current) {
+        mCurrentChecked = current;
+    }
+
+    /**
+     * The initialization listener used when the user changes his choice of engine (as opposed to
+     * when then screen is being initialized for the first time).
+     */
+    private final TextToSpeech.OnInitListener mUpdateListener =
+            new TextToSpeech.OnInitListener() {
+                @Override
+                public void onInit(int status) {
+                    onUpdateEngine(status);
+                }
+            };
+
+    private void updateDefaultEngine(String engine) {
+        Log.d(TAG, "Updating default synth to : " + engine);
+
+        // Keep track of the previous engine that was being used. So that
+        // we can reuse the previous engine.
+        //
+        // Note that if TextToSpeech#getCurrentEngine is not null, it means at
+        // the very least that we successfully bound to the engine service.
+        mPreviousEngine = mTts.getCurrentEngine();
+
+        // Step 1: Shut down the existing TTS engine.
+        Log.i(TAG, "Shutting down current tts engine");
+        if (mTts != null) {
+            try {
+                mTts.shutdown();
+                mTts = null;
+            } catch (Exception e) {
+                Log.e(TAG, "Error shutting down TTS engine" + e);
+            }
+        }
+
+        // Step 2: Connect to the new TTS engine.
+        // Step 3 is continued on #onUpdateEngine (below) which is called when
+        // the app binds successfully to the engine.
+        Log.i(TAG, "Updating engine : Attempting to connect to engine: " + engine);
+        mTts = new TextToSpeech(getActivity().getApplicationContext(), mUpdateListener, engine);
+        Log.i(TAG, "Success");
+    }
+
+    /**
+     * Step 3: We have now bound to the TTS engine the user requested. We will attempt to check
+     * voice data for the engine if we successfully bound to it, or revert to the previous engine if
+     * we didn't.
+     */
+    public void onUpdateEngine(int status) {
+        if (status == TextToSpeech.SUCCESS) {
+            Log.d(
+                    TAG,
+                    "Updating engine: Successfully bound to the engine: "
+                            + mTts.getCurrentEngine());
+            android.provider.Settings.Secure.putString(
+                    getContentResolver(), TTS_DEFAULT_SYNTH, mTts.getCurrentEngine());
+        } else {
+            Log.d(TAG, "Updating engine: Failed to bind to engine, reverting.");
+            if (mPreviousEngine != null) {
+                // This is guaranteed to at least bind, since mPreviousEngine would be
+                // null if the previous bind to this engine failed.
+                mTts =
+                        new TextToSpeech(
+                                getActivity().getApplicationContext(), null, mPreviousEngine);
+            }
+            mPreviousEngine = null;
+        }
+    }
+
+    @Override
+    public void setCurrentKey(String key) {
+        mCurrentEngine = key;
+        updateDefaultEngine(mCurrentEngine);
+    }
+
+    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(
+                        Context context, boolean enabled) {
+                    Log.i(TAG, "Indexing");
+                    final SearchIndexableResource sir = new SearchIndexableResource(context);
+                    sir.xmlResId = R.xml.tts_engine_picker;
+                    return Arrays.asList(sir);
+                }
+            };
+}
diff --git a/src/com/android/settings/tts/TtsEngineSettingsFragment.java b/src/com/android/settings/tts/TtsEngineSettingsFragment.java
deleted file mode 100644
index 42222df..0000000
--- a/src/com/android/settings/tts/TtsEngineSettingsFragment.java
+++ /dev/null
@@ -1,370 +0,0 @@
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settings.tts;
-
-import android.content.ActivityNotFoundException;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.os.Bundle;
-import android.speech.tts.TextToSpeech;
-import android.speech.tts.TtsEngines;
-import android.support.v7.preference.ListPreference;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.Preference.OnPreferenceChangeListener;
-import android.support.v7.preference.Preference.OnPreferenceClickListener;
-import android.support.v7.preference.PreferenceScreen;
-import android.text.TextUtils;
-import android.util.Log;
-import android.util.Pair;
-
-import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import com.android.settings.R;
-import com.android.settings.SettingsPreferenceFragment;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Locale;
-
-
-public class TtsEngineSettingsFragment extends SettingsPreferenceFragment implements
-        OnPreferenceClickListener, OnPreferenceChangeListener {
-    private static final String TAG = "TtsEngineSettings";
-    private static final boolean DBG = false;
-
-    private static final String KEY_ENGINE_LOCALE = "tts_default_lang";
-    private static final String KEY_ENGINE_SETTINGS = "tts_engine_settings";
-    private static final String KEY_INSTALL_DATA = "tts_install_data";
-
-    private static final String STATE_KEY_LOCALE_ENTRIES = "locale_entries";
-    private static final String STATE_KEY_LOCALE_ENTRY_VALUES= "locale_entry_values";
-    private static final String STATE_KEY_LOCALE_VALUE = "locale_value";
-
-    private static final int VOICE_DATA_INTEGRITY_CHECK = 1977;
-
-    private TtsEngines mEnginesHelper;
-    private ListPreference mLocalePreference;
-    private Preference mEngineSettingsPreference;
-    private Preference mInstallVoicesPreference;
-    private Intent mEngineSettingsIntent;
-    private Intent mVoiceDataDetails;
-
-    private TextToSpeech mTts;
-
-    private int mSelectedLocaleIndex = -1;
-
-    private final TextToSpeech.OnInitListener mTtsInitListener = new TextToSpeech.OnInitListener() {
-        @Override
-        public void onInit(int status) {
-            if (status != TextToSpeech.SUCCESS) {
-                finishFragment();
-            } else {
-                getActivity().runOnUiThread(new Runnable() {
-                    @Override
-                    public void run() {
-                        mLocalePreference.setEnabled(true);
-                    }
-                });
-            }
-        }
-    };
-
-    private final BroadcastReceiver mLanguagesChangedReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            // Installed or uninstalled some data packs
-            if (TextToSpeech.Engine.ACTION_TTS_DATA_INSTALLED.equals(intent.getAction())) {
-                checkTtsData();
-            }
-        }
-    };
-
-    public TtsEngineSettingsFragment() {
-        super();
-    }
-
-    @Override
-    public int getMetricsCategory() {
-        return MetricsEvent.TTS_ENGINE_SETTINGS;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        addPreferencesFromResource(R.xml.tts_engine_settings);
-        mEnginesHelper = new TtsEngines(getActivity());
-
-        final PreferenceScreen root = getPreferenceScreen();
-        mLocalePreference = (ListPreference) root.findPreference(KEY_ENGINE_LOCALE);
-        mLocalePreference.setOnPreferenceChangeListener(this);
-        mEngineSettingsPreference = root.findPreference(KEY_ENGINE_SETTINGS);
-        mEngineSettingsPreference.setOnPreferenceClickListener(this);
-        mInstallVoicesPreference = root.findPreference(KEY_INSTALL_DATA);
-        mInstallVoicesPreference.setOnPreferenceClickListener(this);
-
-        root.setTitle(getEngineLabel());
-        root.setKey(getEngineName());
-        mEngineSettingsPreference.setTitle(getResources().getString(
-                R.string.tts_engine_settings_title, getEngineLabel()));
-
-        mEngineSettingsIntent = mEnginesHelper.getSettingsIntent(getEngineName());
-        if (mEngineSettingsIntent == null) {
-            mEngineSettingsPreference.setEnabled(false);
-        }
-        mInstallVoicesPreference.setEnabled(false);
-
-        if (savedInstanceState == null) {
-            mLocalePreference.setEnabled(false);
-            mLocalePreference.setEntries(new CharSequence[0]);
-            mLocalePreference.setEntryValues(new CharSequence[0]);
-        } else {
-            // Repopulate mLocalePreference with saved state. Will be updated later with
-            // up-to-date values when checkTtsData() calls back with results.
-            final CharSequence[] entries =
-                    savedInstanceState.getCharSequenceArray(STATE_KEY_LOCALE_ENTRIES);
-            final CharSequence[] entryValues =
-                    savedInstanceState.getCharSequenceArray(STATE_KEY_LOCALE_ENTRY_VALUES);
-            final CharSequence value =
-                    savedInstanceState.getCharSequence(STATE_KEY_LOCALE_VALUE);
-
-            mLocalePreference.setEntries(entries);
-            mLocalePreference.setEntryValues(entryValues);
-            mLocalePreference.setValue(value != null ? value.toString() : null);
-            mLocalePreference.setEnabled(entries.length > 0);
-        }
-
-        mVoiceDataDetails = getArguments().getParcelable(TtsEnginePreference.FRAGMENT_ARGS_VOICES);
-
-        mTts = new TextToSpeech(getActivity().getApplicationContext(), mTtsInitListener,
-                getEngineName());
-
-        // Check if data packs changed
-        checkTtsData();
-
-        getActivity().registerReceiver(mLanguagesChangedReceiver,
-                new IntentFilter(TextToSpeech.Engine.ACTION_TTS_DATA_INSTALLED));
-    }
-
-    @Override
-    public void onDestroy() {
-        getActivity().unregisterReceiver(mLanguagesChangedReceiver);
-        mTts.shutdown();
-        super.onDestroy();
-    }
-
-    @Override
-    public void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-
-        // Save the mLocalePreference values, so we can repopulate it with entries.
-        outState.putCharSequenceArray(STATE_KEY_LOCALE_ENTRIES,
-                mLocalePreference.getEntries());
-        outState.putCharSequenceArray(STATE_KEY_LOCALE_ENTRY_VALUES,
-                mLocalePreference.getEntryValues());
-        outState.putCharSequence(STATE_KEY_LOCALE_VALUE,
-                mLocalePreference.getValue());
-    }
-
-    private final void checkTtsData() {
-        Intent intent = new Intent(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
-        intent.setPackage(getEngineName());
-        try {
-            if (DBG) Log.d(TAG, "Updating engine: Checking voice data: " + intent.toUri(0));
-            startActivityForResult(intent, VOICE_DATA_INTEGRITY_CHECK);
-        } catch (ActivityNotFoundException ex) {
-            Log.e(TAG, "Failed to check TTS data, no activity found for " + intent + ")");
-        }
-    }
-
-    @Override
-    public void onActivityResult(int requestCode, int resultCode, Intent data) {
-        if (requestCode == VOICE_DATA_INTEGRITY_CHECK) {
-            if (resultCode != TextToSpeech.Engine.CHECK_VOICE_DATA_FAIL) {
-                updateVoiceDetails(data);
-            } else {
-                Log.e(TAG, "CheckVoiceData activity failed");
-            }
-        }
-    }
-
-    private void updateVoiceDetails(Intent data) {
-        if (data == null){
-            Log.e(TAG, "Engine failed voice data integrity check (null return)" +
-                    mTts.getCurrentEngine());
-            return;
-        }
-        mVoiceDataDetails = data;
-
-        if (DBG) Log.d(TAG, "Parsing voice data details, data: " + mVoiceDataDetails.toUri(0));
-
-        final ArrayList<String> available = mVoiceDataDetails.getStringArrayListExtra(
-                TextToSpeech.Engine.EXTRA_AVAILABLE_VOICES);
-        final ArrayList<String> unavailable = mVoiceDataDetails.getStringArrayListExtra(
-                TextToSpeech.Engine.EXTRA_UNAVAILABLE_VOICES);
-
-        if (unavailable != null && unavailable.size() > 0) {
-            mInstallVoicesPreference.setEnabled(true);
-        } else {
-            mInstallVoicesPreference.setEnabled(false);
-        }
-
-        if (available == null){
-            Log.e(TAG, "TTS data check failed (available == null).");
-            mLocalePreference.setEnabled(false);
-            return;
-        } else {
-            updateDefaultLocalePref(available);
-        }
-    }
-
-    private void updateDefaultLocalePref(ArrayList<String> availableLangs) {
-        if (availableLangs == null || availableLangs.size() == 0) {
-            mLocalePreference.setEnabled(false);
-            return;
-        }
-        Locale currentLocale = null;
-        if (!mEnginesHelper.isLocaleSetToDefaultForEngine(getEngineName())) {
-            currentLocale = mEnginesHelper.getLocalePrefForEngine(getEngineName());
-        }
-
-        ArrayList<Pair<String, Locale>> entryPairs =
-                new ArrayList<Pair<String, Locale>>(availableLangs.size());
-        for (int i = 0; i < availableLangs.size(); i++) {
-            Locale locale = mEnginesHelper.parseLocaleString(availableLangs.get(i));
-            if (locale != null){
-                entryPairs.add(new Pair<String, Locale>(
-                        locale.getDisplayName(), locale));
-            }
-        }
-
-        // Sort it
-        Collections.sort(entryPairs, new Comparator<Pair<String, Locale>>() {
-            @Override
-            public int compare(Pair<String, Locale> lhs, Pair<String, Locale> rhs) {
-                return lhs.first.compareToIgnoreCase(rhs.first);
-            }
-        });
-
-        // Get two arrays out of one of pairs
-        mSelectedLocaleIndex = 0; // Will point to the R.string.tts_lang_use_system value
-        CharSequence[] entries = new CharSequence[availableLangs.size()+1];
-        CharSequence[] entryValues = new CharSequence[availableLangs.size()+1];
-
-        entries[0] = getActivity().getString(R.string.tts_lang_use_system);
-        entryValues[0] = "";
-
-        int i = 1;
-        for (Pair<String, Locale> entry : entryPairs) {
-            if (entry.second.equals(currentLocale)) {
-                mSelectedLocaleIndex = i;
-            }
-            entries[i] = entry.first;
-            entryValues[i++] = entry.second.toString();
-        }
-
-        mLocalePreference.setEntries(entries);
-        mLocalePreference.setEntryValues(entryValues);
-        mLocalePreference.setEnabled(true);
-        setLocalePreference(mSelectedLocaleIndex);
-    }
-
-    /** Set entry from entry table in mLocalePreference */
-    private void setLocalePreference(int index) {
-        if (index < 0) {
-            mLocalePreference.setValue("");
-            mLocalePreference.setSummary(R.string.tts_lang_not_selected);
-        } else {
-            mLocalePreference.setValueIndex(index);
-            mLocalePreference.setSummary(mLocalePreference.getEntries()[index]);
-        }
-    }
-
-    /**
-     * Ask the current default engine to launch the matching INSTALL_TTS_DATA activity
-     * so the required TTS files are properly installed.
-     */
-    private void installVoiceData() {
-        if (TextUtils.isEmpty(getEngineName())) return;
-        Intent intent = new Intent(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
-        intent.setPackage(getEngineName());
-        try {
-            Log.v(TAG, "Installing voice data: " + intent.toUri(0));
-            startActivity(intent);
-        } catch (ActivityNotFoundException ex) {
-            Log.e(TAG, "Failed to install TTS data, no acitivty found for " + intent + ")");
-        }
-    }
-
-    @Override
-    public boolean onPreferenceClick(Preference preference) {
-        if (preference == mInstallVoicesPreference) {
-            installVoiceData();
-            return true;
-        } else if (preference == mEngineSettingsPreference) {
-            startActivity(mEngineSettingsIntent);
-            return true;
-        }
-
-        return false;
-    }
-
-    @Override
-    public boolean onPreferenceChange(Preference preference, Object newValue) {
-        if (preference == mLocalePreference) {
-            String localeString = (String) newValue;
-            updateLanguageTo((!TextUtils.isEmpty(localeString) ?
-                    mEnginesHelper.parseLocaleString(localeString) : null));
-            return true;
-        }
-        return false;
-    }
-
-    private void updateLanguageTo(Locale locale) {
-        int selectedLocaleIndex = -1;
-        String localeString = (locale != null) ? locale.toString() : "";
-        for (int i=0; i < mLocalePreference.getEntryValues().length; i++) {
-            if (localeString.equalsIgnoreCase(mLocalePreference.getEntryValues()[i].toString())) {
-                selectedLocaleIndex = i;
-                break;
-            }
-        }
-
-        if (selectedLocaleIndex == -1) {
-            Log.w(TAG, "updateLanguageTo called with unknown locale argument");
-            return;
-        }
-        mLocalePreference.setSummary(mLocalePreference.getEntries()[selectedLocaleIndex]);
-        mSelectedLocaleIndex = selectedLocaleIndex;
-
-        mEnginesHelper.updateLocalePrefForEngine(getEngineName(), locale);
-
-        if (getEngineName().equals(mTts.getCurrentEngine())) {
-            // Null locale means "use system default"
-            mTts.setLanguage((locale != null) ? locale : Locale.getDefault());
-        }
-    }
-
-    private String getEngineName() {
-        return getArguments().getString(TtsEnginePreference.FRAGMENT_ARGS_NAME);
-    }
-
-    private String getEngineLabel() {
-        return getArguments().getString(TtsEnginePreference.FRAGMENT_ARGS_LABEL);
-    }
-}
diff --git a/src/com/android/settings/tts/TtsSlidersFragment.java b/src/com/android/settings/tts/TtsSlidersFragment.java
new file mode 100644
index 0000000..7fdbd62
--- /dev/null
+++ b/src/com/android/settings/tts/TtsSlidersFragment.java
@@ -0,0 +1,207 @@
+package com.android.settings.tts;
+
+import android.speech.tts.TextToSpeech;
+import com.android.settings.R;
+import android.os.Bundle;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import android.util.Log;
+import com.android.settings.SeekBarPreference;
+import android.support.v7.preference.Preference;
+import android.content.ContentResolver;
+import com.android.settings.search.Indexable;
+import com.android.settings.search.BaseSearchIndexProvider;
+import android.content.Context;
+import android.provider.SearchIndexableResource;
+
+import java.util.List;
+import java.util.Arrays;
+
+import static android.provider.Settings.Secure.TTS_DEFAULT_PITCH;
+import static android.provider.Settings.Secure.TTS_DEFAULT_RATE;
+
+public class TtsSlidersFragment extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener,
+                Preference.OnPreferenceClickListener,
+                Indexable {
+    private static final String TAG = TtsSlidersFragment.class.getSimpleName();
+    private static final boolean DBG = false;
+
+    /** Preference key for the TTS pitch selection slider. */
+    private static final String KEY_DEFAULT_PITCH = "tts_default_pitch";
+
+    /** Preference key for the TTS rate selection slider. */
+    private static final String KEY_DEFAULT_RATE = "tts_default_rate";
+
+    /** Preference key for the TTS reset speech rate preference. */
+    private static final String KEY_RESET_SPEECH_RATE = "reset_speech_rate";
+
+    /** Preference key for the TTS reset speech pitch preference. */
+    private static final String KEY_RESET_SPEECH_PITCH = "reset_speech_pitch";
+
+    /**
+     * Speech rate value. This value should be kept in sync with the max value set in tts_settings
+     * xml.
+     */
+    private static final int MAX_SPEECH_RATE = 600;
+
+    private static final int MIN_SPEECH_RATE = 10;
+
+    /**
+     * Speech pitch value. TTS pitch value varies from 25 to 400, where 100 is the value for normal
+     * pitch. The max pitch value is set to 400, based on feedback from users and the GoogleTTS
+     * pitch variation range. The range for pitch is not set in stone and should be readjusted based
+     * on user need. This value should be kept in sync with the max value set in tts_settings xml.
+     */
+    private static final int MAX_SPEECH_PITCH = 400;
+
+    private static final int MIN_SPEECH_PITCH = 25;
+
+    private int mDefaultPitch = TextToSpeech.Engine.DEFAULT_PITCH;
+    private int mDefaultRate = TextToSpeech.Engine.DEFAULT_RATE;
+
+    private SeekBarPreference mDefaultPitchPref;
+    private SeekBarPreference mDefaultRatePref;
+    private Preference mResetSpeechRate;
+    private Preference mResetSpeechPitch;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.tts_sliders);
+
+        mResetSpeechRate = findPreference(KEY_RESET_SPEECH_RATE);
+        mResetSpeechRate.setOnPreferenceClickListener(this);
+        mResetSpeechPitch = findPreference(KEY_RESET_SPEECH_PITCH);
+        mResetSpeechPitch.setOnPreferenceClickListener(this);
+
+        mDefaultPitchPref = (SeekBarPreference) findPreference(KEY_DEFAULT_PITCH);
+        mDefaultRatePref = (SeekBarPreference) findPreference(KEY_DEFAULT_RATE);
+
+        initSettings();
+    }
+
+    private void initSettings() {
+        final ContentResolver resolver = getContentResolver();
+        // Set up the default rate and pitch.
+        mDefaultRate =
+                android.provider.Settings.Secure.getInt(
+                        resolver, TTS_DEFAULT_RATE, TextToSpeech.Engine.DEFAULT_RATE);
+        mDefaultPitch =
+                android.provider.Settings.Secure.getInt(
+                        resolver, TTS_DEFAULT_PITCH, TextToSpeech.Engine.DEFAULT_PITCH);
+
+        mDefaultRatePref.setProgress(getSeekBarProgressFromValue(KEY_DEFAULT_RATE, mDefaultRate));
+        mDefaultRatePref.setOnPreferenceChangeListener(this);
+        mDefaultRatePref.setMax(getSeekBarProgressFromValue(KEY_DEFAULT_RATE, MAX_SPEECH_RATE));
+
+        mDefaultPitchPref.setProgress(
+                getSeekBarProgressFromValue(KEY_DEFAULT_PITCH, mDefaultPitch));
+        mDefaultPitchPref.setOnPreferenceChangeListener(this);
+        mDefaultPitchPref.setMax(getSeekBarProgressFromValue(KEY_DEFAULT_PITCH, MAX_SPEECH_PITCH));
+    }
+
+    /**
+     * The minimum speech pitch/rate value should be > 0 but the minimum value of a seekbar in
+     * android is fixed at 0. Therefore, we increment the seekbar progress with MIN_SPEECH_VALUE so
+     * that the minimum seekbar progress value is MIN_SPEECH_PITCH/RATE. SPEECH_VALUE =
+     * MIN_SPEECH_VALUE + SEEKBAR_PROGRESS
+     */
+    private int getValueFromSeekBarProgress(String preferenceKey, int progress) {
+        if (preferenceKey.equals(KEY_DEFAULT_RATE)) {
+            return MIN_SPEECH_RATE + progress;
+        } else if (preferenceKey.equals(KEY_DEFAULT_PITCH)) {
+            return MIN_SPEECH_PITCH + progress;
+        }
+        return progress;
+    }
+
+    /**
+     * Since we are appending the MIN_SPEECH value to the speech seekbar progress, the speech
+     * seekbar progress should be set to (speechValue - MIN_SPEECH value).
+     */
+    private int getSeekBarProgressFromValue(String preferenceKey, int value) {
+        if (preferenceKey.equals(KEY_DEFAULT_RATE)) {
+            return value - MIN_SPEECH_RATE;
+        } else if (preferenceKey.equals(KEY_DEFAULT_PITCH)) {
+            return value - MIN_SPEECH_PITCH;
+        }
+        return value;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object objValue) {
+        if (KEY_DEFAULT_RATE.equals(preference.getKey())) {
+            updateSpeechRate((Integer) objValue);
+        } else if (KEY_DEFAULT_PITCH.equals(preference.getKey())) {
+            updateSpeechPitchValue((Integer) objValue);
+        }
+        return true;
+    }
+
+    /** Called when mPlayExample, mResetSpeechRate or mResetSpeechPitch is clicked. */
+    @Override
+    public boolean onPreferenceClick(Preference preference) {
+        if (preference == mResetSpeechRate) {
+            int speechRateSeekbarProgress =
+                    getSeekBarProgressFromValue(KEY_DEFAULT_RATE, TextToSpeech.Engine.DEFAULT_RATE);
+            mDefaultRatePref.setProgress(speechRateSeekbarProgress);
+            updateSpeechRate(speechRateSeekbarProgress);
+            return true;
+        } else if (preference == mResetSpeechPitch) {
+            int pitchSeekbarProgress =
+                    getSeekBarProgressFromValue(
+                            KEY_DEFAULT_PITCH, TextToSpeech.Engine.DEFAULT_PITCH);
+            mDefaultPitchPref.setProgress(pitchSeekbarProgress);
+            updateSpeechPitchValue(pitchSeekbarProgress);
+            return true;
+        }
+        return false;
+    }
+
+    private void updateSpeechRate(int speechRateSeekBarProgress) {
+        mDefaultRate = getValueFromSeekBarProgress(KEY_DEFAULT_RATE, speechRateSeekBarProgress);
+        try {
+            android.provider.Settings.Secure.putInt(
+                    getContentResolver(), TTS_DEFAULT_RATE, mDefaultRate);
+            if (DBG) Log.d(TAG, "TTS default rate changed, now " + mDefaultRate);
+        } catch (NumberFormatException e) {
+            Log.e(TAG, "could not persist default TTS rate setting", e);
+        }
+        return;
+    }
+
+    private void updateSpeechPitchValue(int speechPitchSeekBarProgress) {
+        mDefaultPitch = getValueFromSeekBarProgress(KEY_DEFAULT_PITCH, speechPitchSeekBarProgress);
+        try {
+            android.provider.Settings.Secure.putInt(
+                    getContentResolver(), TTS_DEFAULT_PITCH, mDefaultPitch);
+            if (DBG) Log.d(TAG, "TTS default pitch changed, now" + mDefaultPitch);
+        } catch (NumberFormatException e) {
+            Log.e(TAG, "could not persist default TTS pitch setting", e);
+        }
+        return;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.TTS_SLIDERS;
+    }
+
+    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(
+                        Context context, boolean enabled) {
+                    Log.i(TAG, "Indexing");
+                    final SearchIndexableResource sir = new SearchIndexableResource(context);
+                    sir.xmlResId = R.xml.tts_sliders;
+                    return Arrays.asList(sir);
+                }
+            };
+}
diff --git a/src/com/android/settings/webview/WebViewAppListAdapter.java b/src/com/android/settings/webview/WebViewAppListAdapter.java
index 85dbf7c..4c36a47 100644
--- a/src/com/android/settings/webview/WebViewAppListAdapter.java
+++ b/src/com/android/settings/webview/WebViewAppListAdapter.java
@@ -16,8 +16,10 @@
 
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.os.RemoteException;
+import android.graphics.Color;
 import android.support.annotation.VisibleForTesting;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -36,6 +38,7 @@
  */
 class WebViewAppListAdapter extends ArrayAdapter<WebViewApplicationInfo> {
     private final LayoutInflater mInflater;
+    private final String mCurrentWebViewPackageName;
 
     public WebViewAppListAdapter(Context context,
             WebViewUpdateServiceWrapper webviewUpdateServiceWrapper) {
@@ -53,6 +56,10 @@
             packageInfoList.add(info);
         }
         addAll(packageInfoList);
+
+        PackageInfo currentWebViewPackage = webviewUpdateServiceWrapper.getCurrentWebViewPackage();
+        mCurrentWebViewPackageName =
+                currentWebViewPackage == null ? null : currentWebViewPackage.packageName;
     }
 
     @Override
@@ -80,6 +87,11 @@
         holder.disabled.setVisibility(View.GONE);
         // Only allow a package to be chosen if it is enabled and installed for all users.
         convertView.setEnabled(isEnabled(position));
+        if (info.info.packageName.equals(mCurrentWebViewPackageName)) {
+            convertView.setBackgroundColor(Color.GRAY);
+        } else {
+            convertView.setBackgroundColor(Color.WHITE);
+        }
         return convertView;
     }
 
diff --git a/src/com/android/settings/webview/WebViewAppPreferenceController.java b/src/com/android/settings/webview/WebViewAppPreferenceController.java
index eb5467a..cfb358e 100644
--- a/src/com/android/settings/webview/WebViewAppPreferenceController.java
+++ b/src/com/android/settings/webview/WebViewAppPreferenceController.java
@@ -73,9 +73,10 @@
      * Handle the return-value from the WebViewAppPicker Activity.
      */
     public void onActivityResult(int resultCode, Intent data) {
-        if (resultCode == Activity.RESULT_OK) {
-            updateState(null);
-        }
+        // Update the preference summary no matter whether we succeeded to change the webview
+        // implementation correctly - we might have changed implementation to one the user did not
+        // choose.
+        updateState(null);
     }
 
     private String getCurrentWebViewPackageLabel(Context context) {
diff --git a/tests/robotests/assets/grandfather_not_implementing_indexable b/tests/robotests/assets/grandfather_not_implementing_indexable
index d774779..33484d1 100644
--- a/tests/robotests/assets/grandfather_not_implementing_indexable
+++ b/tests/robotests/assets/grandfather_not_implementing_indexable
@@ -50,6 +50,7 @@
 com.android.settings.print.PrintJobSettingsFragment
 com.android.settings.applications.SpecialAccessSettings
 com.android.settings.accessibility.ToggleScreenReaderPreferenceFragmentForSetupWizard
+com.android.settings.accessibility.ToggleSelectToSpeakPreferenceFragmentForSetupWizard
 com.android.settings.accounts.AccountSyncSettings
 com.android.settings.notification.RedactionInterstitial$RedactionInterstitialFragment
 com.android.settings.inputmethod.InputMethodAndSubtypeEnabler
diff --git a/tests/robotests/src/com/android/settings/BackupSettingsHelperTest.java b/tests/robotests/src/com/android/settings/BackupSettingsHelperTest.java
deleted file mode 100644
index b14debc..0000000
--- a/tests/robotests/src/com/android/settings/BackupSettingsHelperTest.java
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * Copyright (C) 2017 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.settings;
-
-import android.app.backup.BackupManager;
-import android.app.backup.IBackupManager;
-import android.content.ComponentName;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.os.IBinder;
-import android.os.RemoteException;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.annotation.Config;
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-
-import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.anyInt;
-import static org.mockito.Mockito.anyString;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-
-
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
-        shadows = {BackupSettingsHelperTest.ShadowBackupManagerStub.class})
-public class BackupSettingsHelperTest {
-
-    private BackupSettingsHelper mBackupSettingsHelper;
-
-    @Mock
-    private static IBackupManager mBackupManager;
-
-    @Before
-    public void setUp() throws Exception {
-        MockitoAnnotations.initMocks(this);
-        when(mBackupManager.getCurrentTransport()).thenReturn("test_transport");
-        mBackupSettingsHelper = new BackupSettingsHelper();
-    }
-
-    @Test
-    public void testGetIntentFromBackupTransport() throws Exception {
-        Intent intent = new Intent();
-
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
-
-        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
-
-        verify(mBackupManager).getDataManagementIntent(anyString());
-    }
-
-    @Test
-    public void testGetIntentFromBackupTransport_WithIntent() throws Exception {
-        Intent intent = mock(Intent.class);
-
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
-
-        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
-
-        assertThat(backupIntent).isEqualTo(intent);
-    }
-
-    @Test
-    public void testGetIntentFromBackupTransport_WithNullIntent() throws Exception {
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(null);
-
-        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
-
-        assertThat(backupIntent).isNull();
-    }
-
-    @Test
-    public void testGetIntentFromBackupTransport_RemoteException() throws Exception {
-        when(mBackupManager.getDataManagementIntent(anyString())).thenThrow(new RemoteException());
-
-        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
-
-        assertThat(backupIntent).isNull();
-    }
-
-    @Test
-    public void testGetIntentFromBackupTransport_BackupEnabled() throws Exception {
-        Intent intent = new Intent("test_intent");
-
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
-        when(mBackupManager.isBackupServiceActive(anyInt())).thenReturn(true);
-
-        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
-
-        assertThat(backupIntent.getExtras().get(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE))
-                .isEqualTo(true);
-    }
-
-    @Test
-    public void testGetIntentFromBackupTransport_BackupDisabled() throws Exception {
-        Intent intent = new Intent("test_intent");
-
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
-        when(mBackupManager.isBackupServiceActive(anyInt())).thenReturn(false);
-
-        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
-
-        assertThat(backupIntent.getExtras().get(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE))
-                .isEqualTo(false);
-    }
-
-    @Test
-    public void testGetIntentFromBackupTransport_BackupStatusException() throws Exception {
-        Intent intent = new Intent("test_intent");
-
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
-        when(mBackupManager.isBackupServiceActive(anyInt())).thenThrow(new RemoteException());
-
-        Intent backupIntent = mBackupSettingsHelper.getIntentForBackupSettings();
-
-        assertThat(backupIntent.getExtras().get(BackupManager.EXTRA_BACKUP_SERVICES_AVAILABLE))
-                .isEqualTo(false);
-    }
-
-    @Test
-    public void testIsIntentProvidedByTransport_WithNullIntent() throws Exception {
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(null);
-
-        PackageManager packageManager = mock(PackageManager.class);
-
-        boolean isIntentProvided = mBackupSettingsHelper.isIntentProvidedByTransport(packageManager);
-
-        assertThat(isIntentProvided).isFalse();
-    }
-
-    @Test
-    public void testIsIntentProvidedByTransport_WithInvalidIntent() throws Exception {
-        Intent intent = mock(Intent.class);
-
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
-
-        PackageManager packageManager = mock(PackageManager.class);
-        when(intent.resolveActivity(packageManager)).thenReturn(null);
-
-        boolean isIntentProvided = mBackupSettingsHelper.isIntentProvidedByTransport(packageManager);
-
-        assertThat(isIntentProvided).isFalse();
-    }
-
-    @Test
-    public void testIsIntentProvidedByTransport_WithIntent() throws Exception {
-        Intent intent = mock(Intent.class);
-
-        when(mBackupManager.getDataManagementIntent(anyString())).thenReturn(intent);
-
-        PackageManager packageManager = mock(PackageManager.class);
-        when(intent.resolveActivity(packageManager)).thenReturn(mock(ComponentName.class));
-
-        boolean isIntentProvided = mBackupSettingsHelper.isIntentProvidedByTransport(packageManager);
-
-        assertThat(isIntentProvided).isTrue();
-    }
-
-    @Implements(IBackupManager.Stub.class)
-    public static class ShadowBackupManagerStub {
-        @Implementation
-        public static IBackupManager asInterface(IBinder iBinder) {
-            return mBackupManager;
-        }
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/SecuritySettingsTest.java b/tests/robotests/src/com/android/settings/SecuritySettingsTest.java
index af853dc..92214e3 100644
--- a/tests/robotests/src/com/android/settings/SecuritySettingsTest.java
+++ b/tests/robotests/src/com/android/settings/SecuritySettingsTest.java
@@ -144,7 +144,7 @@
     public void testGetPackageVerifierSummary_matchingTile() {
         when(mDashboardCategory.getTilesCount()).thenReturn(1);
         Tile tile = new Tile();
-        tile.key = SecuritySettings.KEY_PACKAGE_VERIFIER_STATE;
+        tile.key = SecuritySettings.KEY_PACKAGE_VERIFIER_STATUS;
         Bundle bundle = new Bundle();
         bundle.putString(TileUtils.META_DATA_PREFERENCE_SUMMARY_URI, "content://host/path");
         tile.metaData = bundle;
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/StorageDashboardFragmentTest.java b/tests/robotests/src/com/android/settings/deviceinfo/StorageDashboardFragmentTest.java
index 5775aeb..f16304e 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/StorageDashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/StorageDashboardFragmentTest.java
@@ -16,6 +16,10 @@
 package com.android.settings.deviceinfo;
 
 import android.content.Context;
+import android.os.Bundle;
+import android.os.storage.DiskInfo;
+import android.os.storage.StorageManager;
+import android.os.storage.VolumeInfo;
 import android.provider.SearchIndexableResource;
 
 import com.android.settings.SettingsRobolectricTestRunner;
@@ -35,15 +39,19 @@
 import java.util.List;
 
 import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.anyString;
 import static org.mockito.Mockito.when;
 
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
 public class StorageDashboardFragmentTest {
-
     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private Context mContext;
 
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private StorageManager mStorageManager;
+
     private StorageDashboardFragment mFragment;
 
     @Before
@@ -71,4 +79,11 @@
         assertThat(indexRes).isNotNull();
         assertThat(indexRes.get(0).xmlResId).isEqualTo(mFragment.getPreferenceScreenResId());
     }
+
+    @Test
+    public void testInitializeVolumeDoesntBreakOnNullVolume() {
+        VolumeInfo info = new VolumeInfo("id", 0, new DiskInfo("id", 0), "");
+        when(mStorageManager.findVolumeById(anyString())).thenReturn(info);
+        mFragment.initializeVolume(mStorageManager, new Bundle());
+    }
 }
\ No newline at end of file
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java
new file mode 100644
index 0000000..9656381
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatterySaverControllerTest.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2017 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.settings.fuelgauge;
+
+import android.content.Context;
+import android.os.PowerManager;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.widget.MasterSwitchPreference;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class BatterySaverControllerTest {
+    @Mock
+    private MasterSwitchPreference mBatterySaverPref;
+    @Mock
+    private PowerManager mPowerManager;
+    @Mock
+    private Context mContext;
+    @Mock
+    private Lifecycle mLifecycle;
+    private BatterySaverController mBatterySaverController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mBatterySaverController = spy(new BatterySaverController(mContext, mLifecycle));
+        ReflectionHelpers.setField(mBatterySaverController, "mPowerManager", mPowerManager);
+        ReflectionHelpers.setField(mBatterySaverController, "mBatterySaverPref", mBatterySaverPref);
+        doNothing().when(mBatterySaverController).refreshConditionManager();
+    }
+
+    @Test
+    public void testOnPreferenceChange_TurnOnBatterySaver_BatterySaverOn() {
+        testOnPreferenceChangeInner(true);
+    }
+
+    @Test
+    public void testOnPreferenceChange_TurnOffBatterySaver_BatterySaverOff() {
+        testOnPreferenceChangeInner(false);
+    }
+
+    @Test
+    public void testUpdateState_SaverModeOn_PreferenceChecked() {
+        testUpdateStateInner(true);
+    }
+
+    @Test
+    public void testUpdateState_SaverModeOff_PreferenceUnChecked() {
+        testUpdateStateInner(false);
+    }
+
+    private void testOnPreferenceChangeInner(final boolean saverOn) {
+        when(mPowerManager.setPowerSaveMode(saverOn)).thenReturn(true);
+        when(mPowerManager.isPowerSaveMode()).thenReturn(!saverOn);
+
+        mBatterySaverController.onPreferenceChange(mBatterySaverPref, saverOn);
+        verify(mPowerManager).setPowerSaveMode(saverOn);
+    }
+
+    private void testUpdateStateInner(final boolean saverOn) {
+        when(mPowerManager.isPowerSaveMode()).thenReturn(saverOn);
+
+        mBatterySaverController.updateState(mBatterySaverPref);
+        verify(mBatterySaverPref).setChecked(saverOn);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/search/DatabaseResultLoaderTest.java b/tests/robotests/src/com/android/settings/search/DatabaseResultLoaderTest.java
index 31e6e6c..6368fcb 100644
--- a/tests/robotests/src/com/android/settings/search/DatabaseResultLoaderTest.java
+++ b/tests/robotests/src/com/android/settings/search/DatabaseResultLoaderTest.java
@@ -144,6 +144,62 @@
         assertThat(loader.loadInBackground().size()).isEqualTo(1);
     }
 
+    @Test
+    public void testSpecialCasePrefix_MatchesPrefixOfEntry() {
+        insertSpecialCase("Photos");
+        loader = new DatabaseResultLoader(mContext, "pho");
+        assertThat(loader.loadInBackground().size()).isEqualTo(1);
+    }
+
+    @Test
+    public void testSpecialCasePrefix_DoesNotMatchNonPrefixSubstring() {
+        insertSpecialCase("Photos");
+        loader = new DatabaseResultLoader(mContext, "hot");
+        assertThat(loader.loadInBackground().size()).isEqualTo(0);
+    }
+
+    @Test
+    public void testSpecialCaseMultiWordPrefix_MatchesPrefixOfEntry() {
+        insertSpecialCase("Apps Notifications");
+        loader = new DatabaseResultLoader(mContext, "Apps");
+        assertThat(loader.loadInBackground().size()).isEqualTo(1);
+    }
+
+    @Test
+    public void testSpecialCaseMultiWordPrefix_MatchesSecondWordPrefixOfEntry() {
+        insertSpecialCase("Apps Notifications");
+        loader = new DatabaseResultLoader(mContext, "Not");
+        assertThat(loader.loadInBackground().size()).isEqualTo(1);
+    }
+
+    @Test
+    public void testSpecialCaseMultiWordPrefix_DoesNotMatchMatchesPrefixOfFirstEntry() {
+        insertSpecialCase("Apps Notifications");
+        loader = new DatabaseResultLoader(mContext, "pp");
+        assertThat(loader.loadInBackground().size()).isEqualTo(0);
+    }
+
+    @Test
+    public void testSpecialCaseMultiWordPrefix_DoesNotMatchMatchesPrefixOfSecondEntry() {
+        insertSpecialCase("Apps Notifications");
+        loader = new DatabaseResultLoader(mContext, "tion");
+        assertThat(loader.loadInBackground().size()).isEqualTo(0);
+    }
+
+    @Test
+    public void testSpecialCaseMultiWordPrefixWithSpecial_MatchesPrefixOfEntry() {
+        insertSpecialCase("Apps & Notifications");
+        loader = new DatabaseResultLoader(mContext, "App");
+        assertThat(loader.loadInBackground().size()).isEqualTo(1);
+    }
+
+    @Test
+    public void testSpecialCaseMultiWordPrefixWithSpecial_MatchesPrefixOfSecondEntry() {
+        insertSpecialCase("Apps & Notifications");
+        loader = new DatabaseResultLoader(mContext, "No");
+        assertThat(loader.loadInBackground().size()).isEqualTo(1);
+    }
+
     private void insertSpecialCase(String specialCase) {
         String normalized = DatabaseIndexingUtils.normalizeHyphen(specialCase);
         normalized = DatabaseIndexingUtils.normalizeString(normalized);
@@ -184,11 +240,11 @@
         values.put(IndexDatabaseHelper.IndexColumns.DATA_TITLE, "alpha_title");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_TITLE_NORMALIZED, "alpha title");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON, "alpha_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON_NORMALIZED, "alpha_summary");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON_NORMALIZED, "alpha summary");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF, "alpha_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF_NORMALIZED, "alpha_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_ENTRIES, "alpha_entries");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_KEYWORDS, "alpha_keywords");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF_NORMALIZED, "alpha summary");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_ENTRIES, "alpha entries");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_KEYWORDS, "alpha keywords");
         values.put(IndexDatabaseHelper.IndexColumns.CLASS_NAME,
                 "com.android.settings.gestures.GestureSettings");
         values.put(IndexDatabaseHelper.IndexColumns.SCREEN_TITLE, "Moves");
@@ -211,11 +267,11 @@
         values.put(IndexDatabaseHelper.IndexColumns.DATA_TITLE, "bravo_title");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_TITLE_NORMALIZED, "bravo title");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON, "bravo_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON_NORMALIZED, "bravo_summary");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON_NORMALIZED, "bravo summary");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF, "bravo_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF_NORMALIZED, "bravo_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_ENTRIES, "bravo_entries");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_KEYWORDS, "bravo_keywords");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF_NORMALIZED, "bravo summary");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_ENTRIES, "bravo entries");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_KEYWORDS, "bravo keywords");
         values.put(IndexDatabaseHelper.IndexColumns.CLASS_NAME,
                 "com.android.settings.gestures.GestureSettings");
         values.put(IndexDatabaseHelper.IndexColumns.SCREEN_TITLE, "Moves");
@@ -237,11 +293,11 @@
         values.put(IndexDatabaseHelper.IndexColumns.DATA_TITLE, "charlie_title");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_TITLE_NORMALIZED, "charlie title");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON, "charlie_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON_NORMALIZED, "charlie_summary");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_ON_NORMALIZED, "charlie summary");
         values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF, "charlie_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF_NORMALIZED, "charlie_summary");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_ENTRIES, "charlie_entries");
-        values.put(IndexDatabaseHelper.IndexColumns.DATA_KEYWORDS, "charlie_keywords");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_SUMMARY_OFF_NORMALIZED, "charlie summary");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_ENTRIES, "charlie entries");
+        values.put(IndexDatabaseHelper.IndexColumns.DATA_KEYWORDS, "charlie keywords");
         values.put(IndexDatabaseHelper.IndexColumns.CLASS_NAME,
                 "com.android.settings.gestures.GestureSettings");
         values.put(IndexDatabaseHelper.IndexColumns.SCREEN_TITLE, "Moves");
diff --git a/tests/robotests/src/com/android/settings/search/FakeIndexProvider.java b/tests/robotests/src/com/android/settings/search/FakeIndexProvider.java
new file mode 100644
index 0000000..35486ef
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/search/FakeIndexProvider.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2017 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.settings.search;
+
+import android.content.Context;
+import android.provider.SearchIndexableResource;
+import com.android.settings.core.PreferenceController;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class FakeIndexProvider  implements Indexable {
+
+    public static final String KEY = "TestKey";
+
+    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(Context context,
+                        boolean enabled) {
+                    return null;
+                }
+
+                @Override
+                public List<String> getNonIndexableKeys(Context context) {
+                    ArrayList<String> result = new ArrayList<>();
+                    result.add(KEY);
+                    return result;
+                }
+
+                @Override
+                public List<PreferenceController> getPreferenceControllers(Context context) {
+                    return null;
+                }
+            };
+
+}
diff --git a/tests/robotests/src/com/android/settings/search/SearchIndexableResourcesTest.java b/tests/robotests/src/com/android/settings/search/SearchIndexableResourcesTest.java
index efb5cbc..62bb7fb 100644
--- a/tests/robotests/src/com/android/settings/search/SearchIndexableResourcesTest.java
+++ b/tests/robotests/src/com/android/settings/search/SearchIndexableResourcesTest.java
@@ -16,14 +16,20 @@
 
 package com.android.settings.search;
 
+import static android.provider.SearchIndexablesContract.COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE;
 import static com.android.settings.search.SearchIndexableResources.NO_DATA_RES_ID;
 
+import static com.android.settings.search.SearchIndexableResources.sResMap;
 import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
 
 import android.annotation.DrawableRes;
 import android.annotation.XmlRes;
+import android.database.Cursor;
 import android.provider.SearchIndexableResource;
 
+import android.text.TextUtils;
 import com.android.settings.R;
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
@@ -31,8 +37,11 @@
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
+import java.util.HashMap;
+
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
 public class SearchIndexableResourcesTest {
@@ -72,4 +81,24 @@
         assertThat(index.xmlResId).isEqualTo(NO_DATA_RES_ID);
         assertThat(index.iconResId).isEqualTo(R.drawable.ic_settings_wireless);
     }
+
+    @Test
+    public void testNonIndexableKeys_GetsKeyFromProvider() {
+        SearchIndexableResources.sResMap.clear();
+        SearchIndexableResources.addIndex(FakeIndexProvider.class, 0, 0);
+
+        SettingsSearchIndexablesProvider provider = spy(new SettingsSearchIndexablesProvider());
+
+        Cursor cursor = provider.queryNonIndexableKeys(null);
+        boolean hasTestKey = false;
+        while(cursor.moveToNext()) {
+            String key = cursor.getString(COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE);
+            if (TextUtils.equals(key, FakeIndexProvider.KEY)) {
+                hasTestKey = true;
+                break;
+            }
+        }
+
+        assertThat(hasTestKey).isTrue();
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/webview/WebViewAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/webview/WebViewAppPreferenceControllerTest.java
index c16bd1f..e0a32a4 100644
--- a/tests/robotests/src/com/android/settings/webview/WebViewAppPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/webview/WebViewAppPreferenceControllerTest.java
@@ -70,7 +70,7 @@
         verify(controller, times(1)).updateState(any());
     }
 
-    @Test public void testOnActivityResultWithFailureDoesNothing() {
+    @Test public void testOnActivityResultWithFailure() {
         WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
 
         WebViewAppPreferenceController controller =
@@ -78,6 +78,6 @@
 
         controller.displayPreference(mPreferenceScreen); // Makes sure Preference is non-null
         controller.onActivityResult(Activity.RESULT_CANCELED, new Intent(DEFAULT_PACKAGE_NAME));
-        verify(controller, never()).updateState(any());
+        verify(controller, times(1)).updateState(any());
     }
 }
diff --git a/tests/unit/src/com/android/settings/display/ThemePreferenceControllerTest.java b/tests/unit/src/com/android/settings/display/ThemePreferenceControllerTest.java
new file mode 100644
index 0000000..231787e
--- /dev/null
+++ b/tests/unit/src/com/android/settings/display/ThemePreferenceControllerTest.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2017 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.settings.core;
+
+import static junit.framework.TestCase.assertNotNull;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.UiModeManager;
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+import android.support.v7.preference.ListPreference;
+
+import com.android.settings.R;
+import com.android.settings.display.ThemePreferenceController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class ThemePreferenceControllerTest {
+
+    private UiModeManager mMockUiModeManager;
+    private ContextWrapper mContext;
+    private ThemePreferenceController mPreferenceController;
+
+    @Before
+    public void setup() {
+        mMockUiModeManager = mock(UiModeManager.class);
+        mContext = new ContextWrapper(InstrumentationRegistry.getTargetContext()) {
+            @Override
+            public Object getSystemService(String name) {
+                if (Context.UI_MODE_SERVICE.equals(name)) {
+                    return mMockUiModeManager;
+                }
+                return super.getSystemService(name);
+            }
+        };
+        mPreferenceController = new ThemePreferenceController(mContext);
+    }
+
+    @Test
+    public void testUpdateState() {
+        when(mMockUiModeManager.getAvailableThemes()).thenReturn(new String[] {
+                null,
+                "Theme1",
+                "Theme2",
+        });
+        when(mMockUiModeManager.getTheme()).thenReturn("Theme1");
+        ListPreference pref = mock(ListPreference.class);
+        mPreferenceController.updateState(pref);
+        ArgumentCaptor<String[]> arg = ArgumentCaptor.forClass(String[].class);
+        verify(pref).setEntries(arg.capture());
+
+        String[] entries = arg.getValue();
+        assertEquals(3, entries.length);
+        assertNotNull(entries[0]);
+        assertEquals("Theme1", entries[1]);
+        assertEquals("Theme2", entries[2]);
+
+        verify(pref).setEntryValues(arg.capture());
+        String[] entryValues = arg.getValue();
+        assertEquals(3, entryValues.length);
+        assertNotNull(entryValues[0]);
+        assertEquals("Theme1", entryValues[1]);
+        assertEquals("Theme2", entryValues[2]);
+
+        verify(pref).setValue(eq("Theme1"));
+    }
+
+    @Test
+    public void testAvailable_false() {
+        when(mMockUiModeManager.getAvailableThemes()).thenReturn(new String[1]);
+        assertFalse(mPreferenceController.isAvailable());
+    }
+
+    @Test
+    public void testAvailable_true() {
+        when(mMockUiModeManager.getAvailableThemes()).thenReturn(new String[2]);
+        assertTrue(mPreferenceController.isAvailable());
+    }
+}