diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 26a2326..2ffc5db 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2005,6 +2005,9 @@
         <activity android:name=".AppPicker" android:label="@string/select_application"
                 android:theme="@android:style/Theme.DeviceDefault.Light.Dialog" />
 
+        <activity android:name=".webview.WebViewAppPicker" android:label="@string/select_webview_provider_dialog_title"
+                android:theme="@android:style/Theme.DeviceDefault.Light.Dialog" />
+
         <!-- Keep compatibility with old shortcuts. -->
         <activity-alias android:name="UsbSettings"
                   android:exported="true"
@@ -2561,6 +2564,20 @@
                        android:value="com.android.settings.applications.VrListenerSettings" />
         </activity>
 
+        <activity android:name="Settings$PictureInPictureSettingsActivity"
+            android:label="@string/picture_in_picture_title"
+            android:taskAffinity="">
+            <intent-filter android:priority="1">
+                <action android:name="android.settings.PICTURE_IN_PICTURE_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.applications.PictureInPictureSettings" />
+        </activity>
 
         <activity android:name="Settings$ZenAccessSettingsActivity"
                   android:label="@string/manage_zen_access_title"
@@ -2683,6 +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"
@@ -2940,7 +2973,9 @@
                         android:value="true" />
         </activity>
 
-        <activity android:name=".WebViewImplementation"
+        <!-- Keep compatibility with old WebView-picker implementation -->
+        <activity-alias android:name=".WebViewImplementation"
+                  android:targetActivity=".webview.WebViewAppPicker"
                   android:exported="true"
                   android:excludeFromRecents="true"
                   android:theme="@*android:style/Theme.DeviceDefault.Light.Dialog.Alert">
@@ -2950,7 +2985,7 @@
             </intent-filter>
             <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
                 android:value="true" />
-        </activity>
+      </activity-alias>
 
         <!-- activity for gesture settings -->
         <activity android:name="Settings$GestureSettingsActivity"
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/layout/search_inline_switch_item.xml b/res/layout/search_inline_switch_item.xml
index 40639b0..75943c4 100644
--- a/res/layout/search_inline_switch_item.xml
+++ b/res/layout/search_inline_switch_item.xml
@@ -48,7 +48,6 @@
             android:layout_height="wrap_content"
             android:textAppearance="?android:attr/textAppearanceListItemSecondary"
             android:textColor="?android:attr/textColorSecondary"
-            android:maxLength="60"
             android:maxLines="10"/>
 
         <include layout="@layout/search_breadcrumb_view"/>
@@ -60,4 +59,4 @@
         android:layout_height="match_parent"
         android:gravity="top"
         android:paddingStart="16dp"/>
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index ab04b9a..4b93d8c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1634,6 +1634,8 @@
     <string name="wifi_cellular_data_fallback_summary">Use cellular data when Wi\u2011Fi has no Internet access. Data usage may apply.</string>
     <!-- Action bar text message to manually add a wifi network [CHAR LIMIT=20]-->
     <string name="wifi_add_network">Add network</string>
+    <!-- Action bar title to open additional Wi-Fi settings-->
+    <string name="wifi_configure_settings_preference_title">Wi\u2011Fi preferences</string>
     <!-- Header for the list of wifi networks-->
     <string name="wifi_access_points">Wi\u2011Fi networks</string>
     <!-- Menu option to do WPS Push Button [CHAR LIMIT=25]-->
@@ -4622,9 +4624,20 @@
         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 -->
@@ -6233,6 +6246,9 @@
     <!-- [CHAR LIMIT=100] Notification Importance slider: unset importance level description -->
     <string name="notification_importance_none">Not set</string>
 
+    <!-- [CHAR LIMIT=100] Notification Importance slider: unspecified importance level description -->
+    <string name="notification_importance_unspecified">Let the app decide</string>
+
     <!-- [CHAR LIMIT=100] Notification Importance slider: blocked importance level description -->
     <string name="notification_importance_blocked">Never show notifications</string>
 
@@ -6321,6 +6337,21 @@
          flicker while in VR mode. -->
     <string name="display_vr_pref_off">Reduce flicker</string>
 
+    <!-- Special access > Title for managing Picture-in-picture settings. [CHAR LIMIT=50] -->
+    <string name="picture_in_picture_title">Picture-in-picture</string>
+
+    <!-- Special access > Picture-in-picture > Text to display when the list is empty. [CHAR LIMIT=NONE] -->
+    <string name="picture_in_picture_empty_text">No installed apps support Picture-in-picture</string>
+
+    <!-- Special access > Picture-in-picture > Additional keywords to search for. [CHAR LIMIT=NONE] -->
+    <string name="picture_in_picture_keywords">pip picture in</string>
+
+    <!-- Apps > App Details > Advanced section string title. [CHAR LIMIT=NONE] -->
+    <string name="picture_in_picture_app_detail_title">Picture-in-picture</string>
+
+    <!-- Apps > App Details > Advanced section string description. [CHAR LIMIT=NONE] -->
+    <string name="picture_in_picture_app_detail_summary">Permit entering picture-in-picture when leaving app</string>
+
     <!-- Sound & notification > Advanced section: Title for managing Do Not Disturb access option. [CHAR LIMIT=40] -->
     <string name="manage_zen_access_title">Do Not Disturb access</string>
 
@@ -7641,6 +7672,8 @@
     <string name="notification_log_details_importance">importance</string>
     <!-- Notification log debug tool: header: notification importance explanation -->
     <string name="notification_log_details_explanation">explanation</string>
+    <!-- Notification log debug tool: header: notification importance -->
+    <string name="notification_log_details_badge">can show badge</string>
     <!-- Notification log debug tool: header: notification contentIntent field -->
     <string name="notification_log_details_content_intent">intent</string>
     <!-- Notification log debug tool: header: notification deleteIntent field -->
@@ -8050,6 +8083,11 @@
         <item quantity="one"><xliff:g id="count">%d</xliff:g> app allowed access to your camera by your admin</item>
         <item quantity="other"><xliff:g id="count">%d</xliff:g> apps allowed access to your camera by your admin</item>
     </plurals>
+    <!-- Label indicating how many apps were set as default defaults for common actions (e.g. open browser, send e-mail) by the admin. [CHAR LIMIT=NONE] -->
+    <plurals name="enterprise_privacy_number_enterprise_set_default_apps">
+        <item quantity="one"><xliff:g id="count">%d</xliff:g> default app set by your admin</item>
+        <item quantity="other"><xliff:g id="count">%d</xliff:g> default apps set by your admin</item>
+    </plurals>
     <!-- Label explaining that an always-on VPN was set by the admin for the entire device. [CHAR LIMIT=NONE] -->
     <string name="enterprise_privacy_always_on_vpn_device">Always-on VPN turned on</string>
     <!-- Label explaining that an always-on VPN was set by the admin in the personal profile. [CHAR LIMIT=NONE] -->
@@ -8058,6 +8096,10 @@
     <string name="enterprise_privacy_always_on_vpn_work">Always-on VPN turned on in your work profile</string>
     <!-- Label explaining that a global HTTP proxy was set by the admin. [CHAR LIMIT=NONE] -->
     <string name="enterprise_privacy_global_http_proxy">Global HTTP proxy set</string>
+    <!-- Label explaining that the admin can lock the device and change the user's password. [CHAR LIMIT=NONE] -->
+    <string name="enterprise_privacy_lock_device">Admin can lock device and reset password</string>
+    <!-- Label explaining that the admin can wipe the device remotely. [CHAR LIMIT=NONE] -->
+    <string name="enterprise_privacy_wipe_device">Admin can delete all device data</string>
     <!-- Message indicating that the device is enterprise-managed by a Device Owner [CHAR LIMIT=NONE] -->
     <string name="do_disclosure_generic">This device is managed.</string>
     <!-- Message indicating that the device is enterprise-managed by a Device Owner [CHAR LIMIT=NONE] -->
@@ -8101,4 +8143,29 @@
     <!-- On status for the automatic storage manager. [CHAR_LIMIT=10] -->
     <string name="storage_manager_indicator_on">On</string>
 
+    <!-- Title of games app storage screen [CHAR LIMIT=30] -->
+    <string name="game_storage_settings">Games</string>
+
+    <!-- UI webview setting: WebView uninstalled-for-user explanatory text [CHAR LIMIT=30] -->
+    <string name="webview_uninstalled_for_user">Uninstalled for user <xliff:g id="user" example="John Doe">%s</xliff:g>\n</string>
+    <!-- UI webview setting: WebView disabled-for-user explanatory text [CHAR LIMIT=30] -->
+    <string name="webview_disabled_for_user">Disabled for user <xliff:g id="user" example="John Doe">%s</xliff:g>\n</string>
+
+    <!-- AutoFill strings -->
+    <!-- Preference label for the auto-fill app. [CHAR LIMIT=60] -->
+    <string name="autofill_app">Autofill app</string>
+    <!-- Keywords for the auto-fill feature. [CHAR LIMIT=NONE] -->
+    <string name="autofill_keywords">auto, fill, autofill</string>
+    <!-- Title of the warning dialog for setting the auto-fill app. [CHAR_LIMIT=NONE] -->
+    <string name="autofill_confirmation_message">
+        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/values/styles.xml b/res/values/styles.xml
index 29cb390..092d997 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -293,10 +293,6 @@
     <!-- Scrollbar style OUTSIDE_OVERLAY -->
     <integer name="preference_scrollbar_style">33554432</integer>
 
-    <style name="AppListSwitchPreference" parent="@*android:style/Preference.Material.DialogPreference">
-        <item name="android:widgetLayout">@*android:layout/preference_widget_switch</item>
-    </style>
-
     <style name="TextAppearance.Medium" parent="@android:style/TextAppearance.Material.Medium" />
     <style name="TextAppearance.Small" parent="@android:style/TextAppearance.Material.Small" />
     <style name="TextAppearance.Switch" parent="@android:style/TextAppearance.Material.Title" />
diff --git a/res/xml/advanced_apps.xml b/res/xml/advanced_apps.xml
deleted file mode 100644
index 0f9f82b..0000000
--- a/res/xml/advanced_apps.xml
+++ /dev/null
@@ -1,101 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2015 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<PreferenceScreen
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
-    android:key="applications_settings">
-
-    <Preference
-        android:key="manage_perms"
-        android:title="@string/app_permissions"
-        settings:keywords="@string/keywords_app_permissions">
-        <intent android:action="android.intent.action.MANAGE_PERMISSIONS"/>
-    </Preference>
-
-    <PreferenceCategory
-        android:title="@string/default_apps_title">
-
-        <Preference
-            android:key="domain_urls"
-            android:title="@string/domain_urls_title"
-            android:fragment="com.android.settings.applications.ManageDomainUrls" />
-
-        <Preference
-            android:key="assist_and_voice_input"
-            android:fragment="com.android.settings.applications.ManageAssist"
-            android:title="@string/assist_and_voice_input_title" />
-
-        <com.android.settings.applications.DefaultHomePreference
-            android:key="default_home"
-            android:title="@string/home_app"
-            android:summary="@string/no_default_home"
-            settings:keywords="@string/keywords_home" />
-
-        <com.android.settings.applications.DefaultBrowserPreference
-            android:key="default_browser"
-            android:title="@string/default_browser_title"
-            android:summary="@string/default_browser_title_none" />
-
-        <com.android.settings.applications.DefaultPhonePreference
-            android:key="default_phone_app"
-            android:title="@string/default_phone_title"
-            settings:keywords="@string/keywords_default_phone_app" />
-
-        <com.android.settings.applications.DefaultEmergencyPreference
-            android:key="default_emergency_app"
-            android:title="@string/default_emergency_app"
-            settings:keywords="@string/keywords_emergency_app" />
-
-        <com.android.settings.applications.DefaultSmsPreference
-            android:key="default_sms_app"
-            android:title="@string/sms_application_title"
-            settings:keywords="@string/keywords_more_default_sms_app" />
-
-        <com.android.settings.applications.DefaultNotificationAssistantPreference
-            android:key="default_notification_asst_app"
-            android:title="@string/default_notification_assistant" />
-
-    </PreferenceCategory>
-
-    <com.android.settings.WorkOnlyCategory
-        android:key="work_defaults"
-        android:title="@string/default_for_work">
-
-        <com.android.settings.applications.DefaultBrowserPreference
-            android:key="work_default_browser"
-            android:title="@string/default_browser_title"
-            android:summary="@string/default_browser_title_none"
-            settings:forWork="true" />
-
-        <com.android.settings.applications.DefaultPhonePreference
-            android:key="work_default_phone_app"
-            android:title="@string/default_phone_title"
-            settings:keywords="@string/keywords_default_phone_app"
-            settings:forWork="true" />
-
-    </com.android.settings.WorkOnlyCategory>
-
-    <PreferenceCategory
-        android:title="@string/advanced_apps">
-
-        <Preference
-            android:key="special_access"
-            android:fragment="com.android.settings.applications.SpecialAccessSettings"
-            android:title="@string/special_access" />
-
-    </PreferenceCategory>
-</PreferenceScreen>
diff --git a/res/xml/apn_editor.xml b/res/xml/apn_editor.xml
index a05d547..eac78e9 100644
--- a/res/xml/apn_editor.xml
+++ b/res/xml/apn_editor.xml
@@ -15,8 +15,7 @@
 -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
-        android:title="@string/apn_edit">
+                  android:title="@string/apn_edit">
     <EditTextPreference
         android:title="@string/apn_name"
         android:dialogTitle="@string/apn_name"
diff --git a/res/xml/app_default_settings.xml b/res/xml/app_default_settings.xml
index 58a3959..27200e7 100644
--- a/res/xml/app_default_settings.xml
+++ b/res/xml/app_default_settings.xml
@@ -26,41 +26,53 @@
         android:fragment="com.android.settings.applications.ManageAssist"
         android:order="-20"/>
 
-    <com.android.settings.applications.DefaultBrowserPreference
+    <com.android.settings.applications.DefaultAutoFillPreference
+        android:key="default_autofill"
+        android:title="@string/autofill_app"
+        android:summary="@string/app_list_preference_none"
+        settings:keywords="@string/autofill_keywords"
+        android:order="-19"/>
+
+    <Preference
         android:key="default_browser"
         android:title="@string/default_browser_title"
         android:summary="@string/default_browser_title_none"
-        android:order="-19"/>
+        android:fragment="com.android.settings.applications.defaultapps.DefaultBrowserPicker"
+        android:order="-18">
+        <extra android:name="for_work" android:value="false"/>
+    </Preference>
 
-    <com.android.settings.applications.DefaultHomePreference
+    <Preference
         android:key="default_home"
         android:title="@string/home_app"
         android:summary="@string/no_default_home"
         settings:keywords="@string/keywords_home"
-        android:order="-18"/>
-
-    <com.android.settings.applications.DefaultPhonePreference
-        android:key="default_phone_app"
-        android:title="@string/default_phone_title"
-        settings:keywords="@string/keywords_default_phone_app"
         android:order="-17"/>
 
-    <com.android.settings.applications.DefaultSmsPreference
-        android:key="default_sms_app"
-        android:title="@string/sms_application_title"
-        settings:keywords="@string/keywords_more_default_sms_app"
+    <Preference
+        android:key="default_phone_app"
+        android:title="@string/default_phone_title"
+        android:fragment="com.android.settings.applications.defaultapps.DefaultPhonePicker"
+        settings:keywords="@string/keywords_default_phone_app"
         android:order="-16"/>
 
-    <com.android.settings.applications.DefaultEmergencyPreference
+    <Preference
+        android:key="default_sms_app"
+        android:title="@string/sms_application_title"
+        android:fragment="com.android.settings.applications.defaultapps.DefaultSmsPicker"
+        settings:keywords="@string/keywords_more_default_sms_app"
+        android:order="-15"/>
+
+    <Preference
         android:key="default_emergency_app"
         android:title="@string/default_emergency_app"
         settings:keywords="@string/keywords_emergency_app"
-        android:order="-15"/>
+        android:order="-14"/>
 
-    <com.android.settings.applications.DefaultNotificationAssistantPreference
+    <Preference
         android:key="default_notification_asst_app"
         android:title="@string/default_notification_assistant"
-        android:order="-14"/>
+        android:order="-13"/>
 
     <Preference
         android:key="domain_urls"
@@ -71,17 +83,21 @@
         android:key="work_defaults"
         android:title="@string/default_for_work">
 
-        <com.android.settings.applications.DefaultBrowserPreference
+        <Preference
             android:key="work_default_browser"
             android:title="@string/default_browser_title"
             android:summary="@string/default_browser_title_none"
-            settings:forWork="true"/>
+            android:fragment="com.android.settings.applications.defaultapps.DefaultBrowserPicker">
+            <extra android:name="for_work" android:value="true"/>
+        </Preference>
 
-        <com.android.settings.applications.DefaultPhonePreference
-            android:key="work_default_phone_app"
-            android:title="@string/default_phone_title"
-            settings:keywords="@string/keywords_default_phone_app"
-            settings:forWork="true"/>
+        <Preference
+            android:key="work_default_phone_app_new"
+            android:title="new phone pref work"
+            android:fragment="com.android.settings.applications.defaultapps.DefaultPhonePicker"
+            settings:keywords="@string/keywords_default_phone_app">
+            <extra android:name="for_work" android:value="true"/>
+        </Preference>
 
     </com.android.settings.WorkOnlyCategory>
 
@@ -90,4 +106,4 @@
         android:fragment="com.android.settings.applications.SpecialAccessSettings"
         android:title="@string/special_access"/>
 
-</PreferenceScreen>
\ No newline at end of file
+</PreferenceScreen>
diff --git a/res/xml/app_notification_settings.xml b/res/xml/app_notification_settings.xml
index 82660dc..7d51fa8 100644
--- a/res/xml/app_notification_settings.xml
+++ b/res/xml/app_notification_settings.xml
@@ -23,6 +23,15 @@
         android:key="block"
         android:title="@string/app_notification_block_title"
         android:summary="@string/app_notification_block_summary"
+        android:order="1"
+        settings:useAdditionalSummary="true"
+        settings:restrictedSwitchSummary="@string/enabled_by_admin" />
+
+    <!-- Show badge -->
+    <com.android.settingslib.RestrictedSwitchPreference
+        android:key="badge"
+        android:title="@string/notification_badge_title"
+        android:summary="@string/notification_badge_summary"
         android:order="2"
         settings:useAdditionalSummary="true"
         settings:restrictedSwitchSummary="@string/enabled_by_admin" />
diff --git a/res/xml/app_picker_prefs.xml b/res/xml/app_picker_prefs.xml
new file mode 100644
index 0000000..9a921ee
--- /dev/null
+++ b/res/xml/app_picker_prefs.xml
@@ -0,0 +1,20 @@
+<?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>
+
+</PreferenceScreen>
\ No newline at end of file
diff --git a/res/xml/channel_notification_settings.xml b/res/xml/channel_notification_settings.xml
index e1d6d55..4af9fe8 100644
--- a/res/xml/channel_notification_settings.xml
+++ b/res/xml/channel_notification_settings.xml
@@ -27,54 +27,55 @@
         settings:useAdditionalSummary="true"
         settings:restrictedSwitchSummary="@string/enabled_by_admin" />
 
+    <!-- Importance -->
+    <com.android.settings.notification.RestrictedDropDownPreference
+        android:key="importance"
+        android:title="@string/notification_importance_title"
+        android:order="2"/>
+
+    <!-- Default ringtone -->
+    <com.android.settings.notification.DefaultNotificationTonePreference
+        android:key="ringtone"
+        android:title="@string/notification_ringtone_title"
+        android:dialogTitle="@string/notification_ringtone_title"
+        android:order="3"
+        android:ringtoneType="notification" />
+
+    <!-- Vibration -->
+    <com.android.settingslib.RestrictedSwitchPreference
+        android:key="vibrate"
+        android:title="@string/notification_vibrate_title"
+        android:order="4"
+        settings:useAdditionalSummary="true" />
+
     <!-- Show badge -->
     <com.android.settingslib.RestrictedSwitchPreference
         android:key="badge"
         android:title="@string/notification_badge_title"
         android:summary="@string/notification_badge_summary"
-        android:order="3"
+        android:order="5"
         settings:useAdditionalSummary="true"
         settings:restrictedSwitchSummary="@string/enabled_by_admin" />
 
-    <!-- Importance -->
-    <com.android.settings.notification.RestrictedDropDownPreference
-            android:key="importance"
-            android:title="@string/notification_importance_title"
-            android:order="4"/>
+    <!-- Lights -->
+    <com.android.settingslib.RestrictedSwitchPreference
+        android:key="lights"
+        android:title="@string/notification_show_lights_title"
+        android:order="6"
+        settings:useAdditionalSummary="true" />
 
     <!-- Visibility Override -->
     <com.android.settings.notification.RestrictedDropDownPreference
             android:key="visibility_override"
             android:title="@string/app_notification_visibility_override_title"
-            android:order="5" />
+            android:order="7" />
 
     <!-- Bypass DND -->
     <com.android.settingslib.RestrictedSwitchPreference
             android:key="bypass_dnd"
             android:title="@string/app_notification_override_dnd_title"
             android:summary="@string/app_notification_override_dnd_summary"
-            android:order="6"
-            settings:useAdditionalSummary="true" />
-
-    <!-- Lights -->
-    <com.android.settingslib.RestrictedSwitchPreference
-            android:key="lights"
-            android:title="@string/notification_show_lights_title"
-            android:order="7"
-            settings:useAdditionalSummary="true" />
-
-    <!-- Vibration -->
-    <com.android.settingslib.RestrictedSwitchPreference
-            android:key="vibrate"
-            android:title="@string/notification_vibrate_title"
             android:order="8"
             settings:useAdditionalSummary="true" />
 
-    <!-- Default ringtone -->
-    <com.android.settings.notification.DefaultNotificationTonePreference
-            android:key="ringtone"
-            android:title="@string/notification_ringtone_title"
-            android:dialogTitle="@string/notification_ringtone_title"
-            android:order="9"
-            android:ringtoneType="notification" />
 </PreferenceScreen>
diff --git a/res/xml/development_prefs.xml b/res/xml/development_prefs.xml
index 3c2bab9..22327c3 100644
--- a/res/xml/development_prefs.xml
+++ b/res/xml/development_prefs.xml
@@ -74,11 +74,9 @@
         android:title="@string/picture_color_mode"
         android:summary="@string/picture_color_mode_desc" />
 
-    <ListPreference
-        android:key="select_webview_provider"
+    <Preference android:key="select_webview_provider"
         android:title="@string/select_webview_provider_title"
-        android:dialogTitle="@string/select_webview_provider_dialog_title"
-        android:summary="%s" />
+        android:dialogTitle="@string/select_webview_provider_dialog_title" />
 
     <SwitchPreference
         android:key="enable_webview_multiprocess"
diff --git a/res/xml/enterprise_privacy_settings.xml b/res/xml/enterprise_privacy_settings.xml
index 4bb2a8c..cc63d5f 100644
--- a/res/xml/enterprise_privacy_settings.xml
+++ b/res/xml/enterprise_privacy_settings.xml
@@ -76,6 +76,10 @@
                 settings:allowDividerBelow="true"
                 settings:multiLine="true"/>
         <com.android.settings.DividerPreference
+                android:key="number_enterprise_set_default_apps"
+                settings:allowDividerBelow="true"
+                settings:multiLine="true"/>
+        <com.android.settings.DividerPreference
                 android:key="always_on_vpn_primary_user"
                 settings:allowDividerBelow="true"
                 settings:multiLine="true"/>
@@ -92,5 +96,15 @@
     </PreferenceCategory>
 
     <PreferenceCategory android:title="@string/enterprise_privacy_device_access_category">
+        <com.android.settings.DividerPreference
+                android:key="lock_device"
+                android:title="@string/enterprise_privacy_lock_device"
+                settings:allowDividerBelow="true"
+                settings:multiLine="true"/>
+        <com.android.settings.DividerPreference
+                android:key="wipe_device"
+                android:title="@string/enterprise_privacy_wipe_device"
+                settings:allowDividerBelow="true"
+                settings:multiLine="true"/>
     </PreferenceCategory>
 </PreferenceScreen>
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/special_access.xml b/res/xml/special_access.xml
index 7d85195..8bf5c56 100644
--- a/res/xml/special_access.xml
+++ b/res/xml/special_access.xml
@@ -75,6 +75,11 @@
         android:fragment="com.android.settings.notification.NotificationAccessSettings" />
 
     <Preference
+        android:key="picture_in_picture"
+        android:title="@string/picture_in_picture_title"
+        android:fragment="com.android.settings.applications.PictureInPictureSettings"
+        settings:keywords="@string/picture_in_picture_keywords" />
+    <Preference
         android:key="premium_sms"
         android:title="@string/premium_sms_access"
         android:fragment="com.android.settings.applications.PremiumSmsAccess" />
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/res/xml/wifi_configure_settings.xml b/res/xml/wifi_configure_settings.xml
index a43ea87..1e04749 100644
--- a/res/xml/wifi_configure_settings.xml
+++ b/res/xml/wifi_configure_settings.xml
@@ -17,11 +17,6 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
         android:title="@string/wifi_configure_titlebar">
 
-    <Preference
-        android:key="saved_networks"
-        android:title="@string/wifi_saved_access_points_label"
-        android:fragment="com.android.settings.wifi.SavedAccessPointsWifiSettings" />
-
     <!-- android:dependency="enable_wifi" -->
     <ListPreference
         android:key="sleep_policy"
diff --git a/res/xml/wifi_settings.xml b/res/xml/wifi_settings.xml
index b4ab126..15743ea 100644
--- a/res/xml/wifi_settings.xml
+++ b/res/xml/wifi_settings.xml
@@ -14,14 +14,23 @@
      limitations under the License.
 -->
 
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-                  xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
+<PreferenceScreen
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
         android:title="@string/wifi_settings"
         settings:keywords="@string/keywords_wifi">
 
-    <!-- Needed so PreferenceGroupAdapter allows AccessPointPreference to be
-         recycled. Removed in onResume -->
-    <com.android.settings.wifi.LongPressAccessPointPreference
-        android:key="dummy" />
+    <PreferenceCategory android:key="access_points"/>
 
+    <PreferenceCategory android:key="additional_settings">
+        <Preference
+                android:key="configure_settings"
+                android:title="@string/wifi_configure_settings_preference_title"
+                android:fragment="com.android.settings.wifi.ConfigureWifiSettings" />
+
+        <Preference
+                android:key="saved_networks"
+                android:title="@string/wifi_saved_access_points_label"
+                android:fragment="com.android.settings.wifi.SavedAccessPointsWifiSettings" />
+    </PreferenceCategory>
 </PreferenceScreen>
diff --git a/src/com/android/settings/AppListPreference.java b/src/com/android/settings/AppListPreference.java
index 1fe0c13..8585454 100644
--- a/src/com/android/settings/AppListPreference.java
+++ b/src/com/android/settings/AppListPreference.java
@@ -49,7 +49,11 @@
  * Extends ListPreference to allow us to show the icons for a given list of applications. We do this
  * because the names of applications are very similar and the user may not be able to determine what
  * app they are selecting without an icon.
+ *
+ * @deprecated Selecting app from a list should be done in full UI. Use DefaultAppPickerFragment
+ * instead.
  */
+@Deprecated
 public class AppListPreference extends CustomListPreference {
 
     public static final String ITEM_NONE_VALUE = "";
@@ -57,6 +61,8 @@
     protected final boolean mForWork;
     protected final int mUserId;
 
+
+    private boolean mSavesState = true;
     private Drawable[] mEntryDrawables;
     private boolean mShowItemNone = false;
     private CharSequence[] mSummaries;
@@ -126,6 +132,10 @@
                 : UserHandle.myUserId();
     }
 
+    public void setSavesState(boolean savesState) {
+        mSavesState = savesState;
+    }
+
     public void setShowItemNone(boolean showItemNone) {
         mShowItemNone = showItemNone;
     }
@@ -257,12 +267,16 @@
     @Override
     protected Parcelable onSaveInstanceState() {
         Parcelable superState = super.onSaveInstanceState();
-        return new SavedState(getEntryValues(), getValue(), mSummaries, mShowItemNone, superState);
+        if (mSavesState) {
+            return new SavedState(getEntryValues(), getValue(), mSummaries, mShowItemNone, superState);
+        } else {
+            return superState;
+        }
     }
 
     @Override
     protected void onRestoreInstanceState(Parcelable state) {
-        if (state instanceof SavedState) {
+        if (mSavesState || state instanceof SavedState) {
             SavedState savedState = (SavedState) state;
             mShowItemNone = savedState.showItemNone;
             setPackageNames(savedState.entryValues, savedState.value);
diff --git a/src/com/android/settings/AppListSwitchPreference.java b/src/com/android/settings/AppListSwitchPreference.java
deleted file mode 100644
index 007f243..0000000
--- a/src/com/android/settings/AppListSwitchPreference.java
+++ /dev/null
@@ -1,58 +0,0 @@
-package com.android.settings;
-
-import android.content.Context;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.widget.Checkable;
-
-/**
- * A hybrid of AppListPreference and SwitchPreference, representing a preference which can be on or
- * off but must have a selected value when turned on.
- *
- * It is invalid to show this preference when zero valid apps are present.
- */
-public class AppListSwitchPreference extends AppListPreference {
-    private static final String TAG = "AppListSwitchPref";
-
-    private Checkable mSwitch;
-
-    public AppListSwitchPreference(Context context, AttributeSet attrs) {
-        super(context, attrs, 0, R.style.AppListSwitchPreference);
-    }
-
-    @Override
-    public void onBindViewHolder(PreferenceViewHolder view) {
-        super.onBindViewHolder(view);
-        mSwitch = (Checkable) view.findViewById(com.android.internal.R.id.switch_widget);
-        mSwitch.setChecked(getValue() != null);
-    }
-
-    @Override
-    protected void onClick() {
-        if (getValue() != null) {
-            // Turning off the current value.
-            if (callChangeListener(null)) {
-                setValue(null);
-            }
-        } else if (getEntryValues() == null || getEntryValues().length == 0) {
-            Log.e(TAG, "Attempting to show dialog with zero entries: " + getKey());
-        } else if (getEntryValues().length == 1) {
-            // Suppress the dialog and just toggle the preference with the only choice.
-            String value = getEntryValues()[0].toString();
-            if (callChangeListener(value)) {
-                setValue(value);
-            }
-        } else {
-            super.onClick();
-        }
-    }
-
-    @Override
-    public void setValue(String value) {
-        super.setValue(value);
-        if (mSwitch != null) {
-            mSwitch.setChecked(value != null);
-        }
-    }
-}
diff --git a/src/com/android/settings/BackupSettingsActivity.java b/src/com/android/settings/BackupSettingsActivity.java
index a4cc4b7..c0456b2 100644
--- a/src/com/android/settings/BackupSettingsActivity.java
+++ b/src/com/android/settings/BackupSettingsActivity.java
@@ -17,19 +17,13 @@
 package com.android.settings;
 
 import android.app.Activity;
-import android.app.backup.BackupManager;
-import android.app.backup.IBackupManager;
-import android.content.Context;
+import android.content.ComponentName;
 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.R;
-
-import java.net.URISyntaxException;
+import com.android.settings.Settings.PrivacySettingsActivity;
 
 /**
  * A trampoline activity used to launch the configured Backup activity.
@@ -42,30 +36,24 @@
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        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);
+
+        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);
             }
+        } 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
new file mode 100644
index 0000000..37c0971
--- /dev/null
+++ b/src/com/android/settings/BackupSettingsHelper.java
@@ -0,0 +1,103 @@
+/*
+ * 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/DateTimeSettings.java b/src/com/android/settings/DateTimeSettings.java
index fc47fef..326f200 100644
--- a/src/com/android/settings/DateTimeSettings.java
+++ b/src/com/android/settings/DateTimeSettings.java
@@ -56,11 +56,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/DevelopmentSettings.java b/src/com/android/settings/DevelopmentSettings.java
index 8184905..749eb11 100644
--- a/src/com/android/settings/DevelopmentSettings.java
+++ b/src/com/android/settings/DevelopmentSettings.java
@@ -78,7 +78,7 @@
 import android.view.ViewGroup;
 import android.view.accessibility.AccessibilityManager;
 import android.webkit.IWebViewUpdateService;
-import android.webkit.WebViewProviderInfo;
+import android.webkit.WebViewFactory;
 import android.widget.Switch;
 import android.widget.Toast;
 
@@ -92,6 +92,7 @@
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
+import com.android.settings.webview.WebViewAppPreferenceController;
 import com.android.settings.widget.SwitchBar;
 import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
@@ -126,7 +127,6 @@
     private static final String ENABLE_TERMINAL = "enable_terminal";
     private static final String KEEP_SCREEN_ON = "keep_screen_on";
     private static final String BT_HCI_SNOOP_LOG = "bt_hci_snoop_log";
-    private static final String WEBVIEW_PROVIDER_KEY = "select_webview_provider";
     private static final String WEBVIEW_MULTIPROCESS_KEY = "enable_webview_multiprocess";
     private static final String ENABLE_OEM_UNLOCK = "oem_unlock_enable";
     private static final String HDCP_CHECKING_KEY = "hdcp_checking";
@@ -230,6 +230,7 @@
 
     private static final int RESULT_DEBUG_APP = 1000;
     private static final int RESULT_MOCK_LOCATION_APP = 1001;
+    private static final int RESULT_WEBVIEW_APP = 1002;
 
     private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
     private static final String FLASH_LOCKED_PROP = "ro.boot.flash.locked";
@@ -310,8 +311,8 @@
     private ListPreference mAnimatorDurationScale;
     private ListPreference mOverlayDisplayDevices;
 
+    private WebViewAppPreferenceController mWebViewAppPrefController;
     private SwitchPreference mWebViewMultiprocess;
-    private ListPreference mWebViewProvider;
 
     private ListPreference mSimulateColorSpace;
 
@@ -371,8 +372,7 @@
         mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
         mBackupManager = IBackupManager.Stub.asInterface(
                 ServiceManager.getService(Context.BACKUP_SERVICE));
-        mWebViewUpdateService =
-                IWebViewUpdateService.Stub.asInterface(ServiceManager.getService("webviewupdate"));
+        mWebViewUpdateService = WebViewFactory.getUpdateService();
         mOemUnlockManager = (PersistentDataBlockManager) getActivity()
                 .getSystemService(Context.PERSISTENT_DATA_BLOCK_SERVICE);
         mTelephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
@@ -384,6 +384,7 @@
 
         mBugReportController = new BugReportPreferenceController(getActivity());
         mBugReportInPowerController = new BugReportInPowerPreferenceController(getActivity());
+        mWebViewAppPrefController = new WebViewAppPreferenceController(getActivity());
 
         setIfOnlyAvailableForAdmins(true);
         if (isUiRestricted() || !Utils.isDeviceProvisioned(getActivity())) {
@@ -414,6 +415,7 @@
 
         mBugReportController.displayPreference(getPreferenceScreen());
         mBugReportInPowerController.displayPreference(getPreferenceScreen());
+        mWebViewAppPrefController.displayPreference(getPreferenceScreen());
 
         mKeepScreenOn = (RestrictedSwitchPreference) findAndInitSwitchPref(KEEP_SCREEN_ON);
         mBtHciSnoopLog = findAndInitSwitchPref(BT_HCI_SNOOP_LOG);
@@ -483,7 +485,6 @@
             mLogpersist = null;
         }
         mUsbConfiguration = addListPreference(USB_CONFIGURATION_KEY);
-        mWebViewProvider = addListPreference(WEBVIEW_PROVIDER_KEY);
         mWebViewMultiprocess = findAndInitSwitchPref(WEBVIEW_MULTIPROCESS_KEY);
         mBluetoothDisableAbsVolume = findAndInitSwitchPref(BLUETOOTH_DISABLE_ABSOLUTE_VOLUME_KEY);
 
@@ -544,7 +545,6 @@
             removePreference(KEY_COLOR_MODE);
             mColorModePreference = null;
         }
-        updateWebViewProviderOptions();
 
         mColorTemperaturePreference = (SwitchPreference) findPreference(COLOR_TEMPERATURE_KEY);
         if (getResources().getBoolean(R.bool.config_enableColorTemperature)) {
@@ -629,6 +629,7 @@
             pref.setEnabled(enabled && !mDisabledPrefs.contains(pref));
         }
         mBugReportInPowerController.enablePreference(enabled);
+        mWebViewAppPrefController.enablePreference(enabled);
         updateAllOptions();
     }
 
@@ -793,8 +794,8 @@
         updateSimulateColorSpace();
         updateUSBAudioOptions();
         updateForceResizableOptions();
+        mWebViewAppPrefController.updateState(null);
         updateWebViewMultiprocessOptions();
-        updateWebViewProviderOptions();
         updateOemUnlockOptions();
         if (mColorTemperaturePreference != null) {
             updateColorTemperature();
@@ -831,39 +832,6 @@
         pokeSystemProperties();
     }
 
-    private void updateWebViewProviderOptions() {
-        try {
-            WebViewProviderInfo[] providers = mWebViewUpdateService.getValidWebViewPackages();
-            if (providers == null) {
-                Log.e(TAG, "No WebView providers available");
-                return;
-            }
-            ArrayList<String> options = new ArrayList<String>();
-            ArrayList<String> values = new ArrayList<String>();
-            for (int n = 0; n < providers.length; n++) {
-                if (Utils.isPackageEnabled(getActivity(), providers[n].packageName)) {
-                    options.add(providers[n].description);
-                    values.add(providers[n].packageName);
-                }
-            }
-            mWebViewProvider.setEntries(options.toArray(new String[options.size()]));
-            mWebViewProvider.setEntryValues(values.toArray(new String[values.size()]));
-
-            String value = mWebViewUpdateService.getCurrentWebViewPackageName();
-            if (value == null) {
-                value = "";
-            }
-
-            for (int i = 0; i < values.size(); i++) {
-                if (value.contentEquals(values.get(i))) {
-                    mWebViewProvider.setValueIndex(i);
-                    return;
-                }
-            }
-        } catch (RemoteException e) {
-        }
-    }
-
     private void updateWebViewMultiprocessOptions() {
         try {
             updateSwitchPreference(mWebViewMultiprocess,
@@ -918,17 +886,6 @@
                 mBtHciSnoopLog.isChecked() ? 1 : 0);
     }
 
-    private boolean writeWebViewProviderOptions(Object newValue) {
-        try {
-            String updatedProvider = mWebViewUpdateService.changeProviderAndSetting(
-                    newValue == null ? "" : newValue.toString());
-            updateWebViewProviderOptions();
-            return newValue != null && newValue.equals(updatedProvider);
-        } catch (RemoteException e) {
-        }
-        return false;
-    }
-
     private void writeDebuggerOptions() {
         try {
             ActivityManager.getService().setDebugApp(
@@ -2327,6 +2284,8 @@
                 writeMockLocation();
                 updateMockLocation();
             }
+        } else if (requestCode == RESULT_WEBVIEW_APP) {
+            mWebViewAppPrefController.onActivityResult(resultCode, data);
         } else if (requestCode == REQUEST_CODE_ENABLE_OEM_UNLOCK) {
             if (resultCode == Activity.RESULT_OK) {
                 if (mEnableOemUnlock.isChecked()) {
@@ -2349,6 +2308,10 @@
         if (mBugReportInPowerController.handlePreferenceTreeClick(preference)) {
             return true;
         }
+        if (mWebViewAppPrefController.handlePreferenceTreeClick(preference)) {
+            startActivityForResult(
+                    mWebViewAppPrefController.getActivityIntent(), RESULT_WEBVIEW_APP);
+        }
 
         if (preference == mEnableAdb) {
             if (mEnableAdb.isChecked()) {
@@ -2502,21 +2465,6 @@
             updateHdcpValues();
             pokeSystemProperties();
             return true;
-        } else if (preference == mWebViewProvider) {
-            if (newValue == null) {
-                Log.e(TAG, "Tried to set a null WebView provider");
-                return false;
-            }
-            if (writeWebViewProviderOptions(newValue)) {
-                return true;
-            } else {
-                // The user chose a package that became invalid since the list was last updated,
-                // show a Toast to explain the situation.
-                Toast toast = Toast.makeText(getActivity(),
-                        R.string.select_webview_provider_toast_text, Toast.LENGTH_SHORT);
-                toast.show();
-            }
-            return false;
         } else if ((preference == mBluetoothSelectA2dpCodec) ||
                    (preference == mBluetoothSelectA2dpSampleRate) ||
                    (preference == mBluetoothSelectA2dpBitsPerSample) ||
diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index 91b193d..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;
@@ -68,11 +69,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_DISPLAY;
-    }
-
-    @Override
     protected int getPreferenceScreenResId() {
         if (mDashboardFeatureProvider.isEnabled()) {
             return R.xml.ia_display_settings;
@@ -97,6 +93,7 @@
         controllers.add(new TimeoutPreferenceController(context));
         controllers.add(new VrDisplayPreferenceController(context));
         controllers.add(new WallpaperPreferenceController(context));
+        controllers.add(new ThemePreferenceController(context));
         return controllers;
     }
 
@@ -182,6 +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/Settings.java b/src/com/android/settings/Settings.java
index a393436..360d258 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -105,6 +105,7 @@
     public static class UserSettingsActivity extends SettingsActivity { /* empty */ }
     public static class NotificationAccessSettingsActivity extends SettingsActivity { /* empty */ }
     public static class VrListenersSettingsActivity extends SettingsActivity { /* empty */ }
+    public static class PictureInPictureSettingsActivity extends SettingsActivity { /* empty */ }
     public static class ZenAccessSettingsActivity extends SettingsActivity { /* empty */ }
     public static class ConditionProviderSettingsActivity extends SettingsActivity { /* empty */ }
     public static class UsbSettingsActivity extends SettingsActivity { /* empty */ }
@@ -123,9 +124,11 @@
     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 */ }
+    public static class GamesStorageActivity extends SettingsActivity { /* empty */ }
 
     public static class TopLevelSettings extends SettingsActivity { /* empty */ }
     public static class ApnSettingsActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index c01e4c4..8bb6834 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -33,6 +33,8 @@
 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;
@@ -965,29 +967,27 @@
             }
         }
 
-        String backupIntent = getResources().getString(R.string.config_backup_settings_intent);
-        boolean useDefaultBackup = TextUtils.isEmpty(backupIntent);
+        // 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);
+        }
+
         setTileEnabled(new ComponentName(packageName,
                 Settings.PrivacySettingsActivity.class.getName()), useDefaultBackup, isAdmin);
         setTileEnabled(new ComponentName(packageName,
                         "com.android.settings.PrivacyDashboardAlias"),
                 useDefaultBackup, isAdmin);
 
-        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.
+        if (Log.isLoggable(LOG_TAG, Log.VERBOSE)) {
+            Log.v(LOG_TAG, "Enabling transport provided backup settings: " + !useDefaultBackup);
+        }
         setTileEnabled(new ComponentName(packageName,
-                BackupSettingsActivity.class.getName()), hasBackupActivity, isAdmin);
+                BackupSettingsActivity.class.getName()), !useDefaultBackup, isAdmin);
         setTileEnabled(new ComponentName(packageName,
-                "com.android.settings.BackupResetDashboardAlias"), hasBackupActivity, isAdmin);
+                "com.android.settings.BackupResetDashboardAlias"), !useDefaultBackup, isAdmin);
 
         setTileEnabled(new ComponentName(packageName,
                 Settings.EnterprisePrivacySettingsActivity.class.getName()),
diff --git a/src/com/android/settings/SettingsInitialize.java b/src/com/android/settings/SettingsInitialize.java
index 07fec07..66fc4d6 100644
--- a/src/com/android/settings/SettingsInitialize.java
+++ b/src/com/android/settings/SettingsInitialize.java
@@ -44,6 +44,8 @@
     private static final String TAG = "Settings";
     private static final String PRIMARY_PROFILE_SETTING =
             "com.android.settings.PRIMARY_PROFILE_CONTROLLED";
+    private static final String SETTINGS_PACKAGE = "com.android.settings";
+    private static final String WEBVIEW_IMPLEMENTATION_ACTIVITY = ".WebViewImplementation";
 
     @Override
     public void onReceive(Context context, Intent broadcast) {
@@ -100,7 +102,7 @@
             return;
         }
         ComponentName settingsComponentName =
-            new ComponentName(context, WebViewImplementation.class);
+            new ComponentName(SETTINGS_PACKAGE, SETTINGS_PACKAGE + WEBVIEW_IMPLEMENTATION_ACTIVITY);
         pm.setComponentEnabledSetting(settingsComponentName,
                 userInfo.isAdmin() ?
                         PackageManager.COMPONENT_ENABLED_STATE_ENABLED :
diff --git a/src/com/android/settings/SettingsPreferenceFragment.java b/src/com/android/settings/SettingsPreferenceFragment.java
index ee500a9..3bad5f3 100644
--- a/src/com/android/settings/SettingsPreferenceFragment.java
+++ b/src/com/android/settings/SettingsPreferenceFragment.java
@@ -727,10 +727,6 @@
         getActivity().setResult(result);
     }
 
-    protected final Context getPrefContext() {
-        return getPreferenceManager().getContext();
-    }
-
     public boolean startFragment(Fragment caller, String fragmentClass, int titleRes,
             int requestCode, Bundle extras) {
         final Activity activity = getActivity();
diff --git a/src/com/android/settings/WebViewImplementation.java b/src/com/android/settings/WebViewImplementation.java
deleted file mode 100644
index 349f5e9..0000000
--- a/src/com/android/settings/WebViewImplementation.java
+++ /dev/null
@@ -1,114 +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;
-
-import android.annotation.Nullable;
-import android.app.AlertDialog;
-import android.content.DialogInterface;
-import android.content.DialogInterface.OnCancelListener;
-import android.content.DialogInterface.OnClickListener;
-import android.content.DialogInterface.OnDismissListener;
-import android.os.Bundle;
-import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.os.UserManager;
-import android.util.Log;
-import android.webkit.IWebViewUpdateService;
-import android.webkit.WebViewProviderInfo;
-import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import com.android.settings.core.InstrumentedActivity;
-
-import java.util.ArrayList;
-
-public class WebViewImplementation extends InstrumentedActivity implements
-        OnCancelListener, OnDismissListener {
-
-    private static final String TAG = "WebViewImplementation";
-
-    private IWebViewUpdateService mWebViewUpdateService;
-
-    @Override
-    protected void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        if (!UserManager.get(this).isAdminUser()) {
-            finish();
-            return;
-        }
-        mWebViewUpdateService  =
-                IWebViewUpdateService.Stub.asInterface(ServiceManager.getService("webviewupdate"));
-        try {
-            WebViewProviderInfo[] providers = mWebViewUpdateService.getValidWebViewPackages();
-            if (providers == null) {
-                Log.e(TAG, "No WebView providers available");
-                finish();
-                return;
-            }
-
-            String currentValue = mWebViewUpdateService.getCurrentWebViewPackageName();
-            if (currentValue == null) {
-                currentValue = "";
-            }
-
-            int currentIndex = -1;
-            ArrayList<String> options = new ArrayList<>();
-            final ArrayList<String> values = new ArrayList<>();
-            for (WebViewProviderInfo provider : providers) {
-                if (Utils.isPackageEnabled(this, provider.packageName)) {
-                    options.add(provider.description);
-                    values.add(provider.packageName);
-                    if (currentValue.contentEquals(provider.packageName)) {
-                        currentIndex = values.size() - 1;
-                    }
-                }
-            }
-
-            new AlertDialog.Builder(this)
-                    .setTitle(R.string.select_webview_provider_dialog_title)
-                    .setSingleChoiceItems(options.toArray(new String[0]), currentIndex,
-                            new OnClickListener() {
-                        @Override
-                        public void onClick(DialogInterface dialog, int which) {
-                            try {
-                                mWebViewUpdateService.changeProviderAndSetting(values.get(which));
-                            } catch (RemoteException e) {
-                                Log.w(TAG, "Problem reaching webviewupdate service", e);
-                            }
-                            finish();
-                        }
-                    }).setNegativeButton(android.R.string.cancel, null)
-                    .setOnCancelListener(this)
-                    .setOnDismissListener(this)
-                    .show();
-        } catch (RemoteException e) {
-            Log.w(TAG, "Problem reaching webviewupdate service", e);
-            finish();
-        }
-    }
-
-    @Override
-    public int getMetricsCategory() {
-        return MetricsEvent.WEBVIEW_IMPLEMENTATION;
-    }
-
-    @Override
-    public void onCancel(DialogInterface dialog) {
-        finish();
-    }
-
-    @Override
-    public void onDismiss(DialogInterface dialog) {
-        finish();
-    }
-}
diff --git a/src/com/android/settings/accounts/AccountDetailDashboardFragment.java b/src/com/android/settings/accounts/AccountDetailDashboardFragment.java
index 12f78ff..8143e96 100644
--- a/src/com/android/settings/accounts/AccountDetailDashboardFragment.java
+++ b/src/com/android/settings/accounts/AccountDetailDashboardFragment.java
@@ -22,15 +22,14 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.support.annotation.VisibleForTesting;
-
 import android.support.v7.preference.Preference;
+
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settingslib.accounts.AuthenticatorHelper;
-import com.android.settingslib.drawer.CategoryKey;
 import com.android.settingslib.drawer.Tile;
 
 import java.util.ArrayList;
@@ -62,8 +61,8 @@
         Bundle args = getArguments();
         final Activity activity = getActivity();
         UserHandle userHandle = Utils.getSecureTargetUser(activity.getActivityToken(),
-            (UserManager) getSystemService(Context.USER_SERVICE), args,
-            activity.getIntent().getExtras());
+                (UserManager) getSystemService(Context.USER_SERVICE), args,
+                activity.getIntent().getExtras());
         if (args != null) {
             if (args.containsKey(KEY_ACCOUNT)) {
                 mAccount = args.getParcelable(KEY_ACCOUNT);
@@ -94,11 +93,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_ACCOUNT;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
@@ -142,6 +136,6 @@
         }
         final AuthenticatorHelper helper = new AuthenticatorHelper(context, userHandle, null);
         headerPreference.setIcon(helper.getDrawableForType(context, mAccountType));
-   }
+    }
 
 }
\ No newline at end of file
diff --git a/src/com/android/settings/accounts/UserAndAccountDashboardFragment.java b/src/com/android/settings/accounts/UserAndAccountDashboardFragment.java
index 4113152..dbc0292 100644
--- a/src/com/android/settings/accounts/UserAndAccountDashboardFragment.java
+++ b/src/com/android/settings/accounts/UserAndAccountDashboardFragment.java
@@ -25,7 +25,6 @@
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.drawer.CategoryKey;
 import com.android.settingslib.drawer.Tile;
 
 import java.util.ArrayList;
@@ -45,11 +44,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_ACCOUNT;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/applications/ActivityInfoWrapper.java b/src/com/android/settings/applications/ActivityInfoWrapper.java
new file mode 100644
index 0000000..4cb6e68
--- /dev/null
+++ b/src/com/android/settings/applications/ActivityInfoWrapper.java
@@ -0,0 +1,30 @@
+/*
+ * 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.applications;
+
+/**
+ * This interface replicates a subset of the android.content.pm.ActivityInfo. The interface
+ * exists so that we can use a thin wrapper around the ActivityInfo in production code and a mock in
+ * tests.
+ */
+public interface ActivityInfoWrapper {
+
+    /**
+     * Returns whether this activity supports picture-in-picture.
+     */
+    boolean supportsPictureInPicture();
+}
diff --git a/src/com/android/settings/applications/ActivityInfoWrapperImpl.java b/src/com/android/settings/applications/ActivityInfoWrapperImpl.java
new file mode 100644
index 0000000..b70a1e8
--- /dev/null
+++ b/src/com/android/settings/applications/ActivityInfoWrapperImpl.java
@@ -0,0 +1,33 @@
+/*
+ * 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.applications;
+
+import android.content.pm.ActivityInfo;
+
+public class ActivityInfoWrapperImpl implements ActivityInfoWrapper {
+
+    private final ActivityInfo mInfo;
+
+    public ActivityInfoWrapperImpl(ActivityInfo info) {
+        mInfo = info;
+    }
+
+    @Override
+    public boolean supportsPictureInPicture() {
+        return mInfo.supportsPictureInPicture();
+    }
+}
diff --git a/src/com/android/settings/applications/AdvancedAppSettings.java b/src/com/android/settings/applications/AdvancedAppSettings.java
index 5bce24d..e59f94b 100644
--- a/src/com/android/settings/applications/AdvancedAppSettings.java
+++ b/src/com/android/settings/applications/AdvancedAppSettings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 The Android Open Source Project
+ * 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.
@@ -20,14 +20,19 @@
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
-import com.android.settings.Utils;
+import com.android.settings.applications.defaultapps.DefaultBrowserPreferenceController;
+import com.android.settings.applications.defaultapps.DefaultEmergencyPreferenceController;
+import com.android.settings.applications.defaultapps.DefaultHomePreferenceController;
+import com.android.settings.applications.defaultapps.DefaultPhonePreferenceController;
+import com.android.settings.applications.defaultapps.DefaultSmsPreferenceController;
+import com.android.settings.applications.defaultapps.DefaultWorkBrowserPreferenceController;
+import com.android.settings.applications.defaultapps.DefaultWorkPhonePreferenceController;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.dashboard.DashboardFragment;
-import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
-import com.android.settingslib.drawer.CategoryKey;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -36,25 +41,26 @@
     static final String TAG = "AdvancedAppSettings";
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_APPS_DEFAULT;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
 
     @Override
     protected int getPreferenceScreenResId() {
-        return mDashboardFeatureProvider.isEnabled()
-                ? R.xml.app_default_settings
-                : R.xml.advanced_apps;
+        return R.xml.app_default_settings;
     }
 
     @Override
     protected List<PreferenceController> getPreferenceControllers(Context context) {
-        return null;
+        final List<PreferenceController> controllers = new ArrayList<>();
+        controllers.add(new DefaultBrowserPreferenceController(context));
+        controllers.add(new DefaultWorkBrowserPreferenceController(context));
+        controllers.add(new DefaultPhonePreferenceController(context));
+        controllers.add(new DefaultWorkPhonePreferenceController(context));
+        controllers.add(new DefaultSmsPreferenceController(context));
+        controllers.add(new DefaultEmergencyPreferenceController(context));
+        controllers.add(new DefaultHomePreferenceController(context));
+        return controllers;
     }
 
     @Override
@@ -68,16 +74,8 @@
                 public List<SearchIndexableResource> getXmlResourcesToIndex(
                         Context context, boolean enabled) {
                     final SearchIndexableResource sir = new SearchIndexableResource(context);
-                    sir.xmlResId = FeatureFactory.getFactory(context)
-                            .getDashboardFeatureProvider(context).isEnabled()
-                            ? R.xml.app_default_settings
-                            : R.xml.advanced_apps;
+                    sir.xmlResId = R.xml.app_default_settings;
                     return Arrays.asList(sir);
                 }
-
-                @Override
-                public List<String> getNonIndexableKeys(Context context) {
-                    return Utils.getNonIndexable(R.xml.advanced_apps, context);
-                }
             };
 }
diff --git a/src/com/android/settings/applications/AppAndNotificationDashboardFragment.java b/src/com/android/settings/applications/AppAndNotificationDashboardFragment.java
index be70f86..5dda9c1 100644
--- a/src/com/android/settings/applications/AppAndNotificationDashboardFragment.java
+++ b/src/com/android/settings/applications/AppAndNotificationDashboardFragment.java
@@ -25,7 +25,6 @@
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.Arrays;
 import java.util.List;
@@ -40,17 +39,6 @@
     }
 
     @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
-        mProgressiveDisclosureMixin.setTileLimit(3);
-    }
-
-    @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_APPS;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounter.java b/src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounter.java
index 331d384..52f1da5 100644
--- a/src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounter.java
+++ b/src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounter.java
@@ -17,7 +17,6 @@
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
-import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.os.Build;
 import android.os.RemoteException;
@@ -33,11 +32,11 @@
 
     private final String[] mPermissions;
     private final PackageManagerWrapper mPackageManager;
-    private final IPackageManager mPackageManagerService;
+    private final IPackageManagerWrapper mPackageManagerService;
     private final DevicePolicyManagerWrapper mDevicePolicyManager;
 
     public AppWithAdminGrantedPermissionsCounter(Context context, String[] permissions,
-            PackageManagerWrapper packageManager, IPackageManager packageManagerService,
+            PackageManagerWrapper packageManager, IPackageManagerWrapper packageManagerService,
             DevicePolicyManagerWrapper devicePolicyManager) {
         super(context, packageManager);
         mPermissions = permissions;
diff --git a/src/com/android/settings/applications/ApplicationFeatureProvider.java b/src/com/android/settings/applications/ApplicationFeatureProvider.java
index 101ae91..fccbbd3 100644
--- a/src/com/android/settings/applications/ApplicationFeatureProvider.java
+++ b/src/com/android/settings/applications/ApplicationFeatureProvider.java
@@ -17,8 +17,11 @@
 package com.android.settings.applications;
 
 import android.app.Fragment;
+import android.content.Intent;
 import android.view.View;
 
+import java.util.Set;
+
 public interface ApplicationFeatureProvider {
 
     /**
@@ -55,9 +58,47 @@
             NumberOfAppsCallback callback);
 
     /**
+     * Return the persistent preferred activities configured by the admin for the current user and
+     * all its managed profiles. A persistent preferred activity is an activity that the admin
+     * configured to always handle a given intent (e.g. open browser), even if the user has other
+     * apps installed that would also be able to handle the intent.
+     *
+     * @param intent The intents for which to find persistent preferred activities
+     *
+     * @return the persistent preferred activites for the given intent
+     */
+    Set<PersistentPreferredActivityInfo> findPersistentPreferredActivities(Intent[] intents);
+
+    /**
      * Callback that receives the number of packages installed on the device.
      */
     interface NumberOfAppsCallback {
         void onNumberOfAppsResult(int num);
     }
+
+    public static class PersistentPreferredActivityInfo {
+        public final String packageName;
+        public final int userId;
+
+        public PersistentPreferredActivityInfo(String packageName, int userId) {
+            this.packageName = packageName;
+            this.userId = userId;
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            if (!(other instanceof PersistentPreferredActivityInfo)) {
+                return false;
+            }
+            final PersistentPreferredActivityInfo otherActivityInfo
+                    = (PersistentPreferredActivityInfo) other;
+            return otherActivityInfo.packageName.equals(packageName)
+                    && otherActivityInfo.userId == userId;
+        }
+
+        @Override
+        public int hashCode() {
+            return packageName.hashCode() ^ userId;
+        }
+    }
 }
diff --git a/src/com/android/settings/applications/ApplicationFeatureProviderImpl.java b/src/com/android/settings/applications/ApplicationFeatureProviderImpl.java
index ff7f0f0..2d2bce0 100644
--- a/src/com/android/settings/applications/ApplicationFeatureProviderImpl.java
+++ b/src/com/android/settings/applications/ApplicationFeatureProviderImpl.java
@@ -18,25 +18,34 @@
 
 import android.app.Fragment;
 import android.content.Context;
-import android.content.pm.IPackageManager;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ComponentInfo;
+import android.content.pm.ProviderInfo;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
 import android.content.pm.UserInfo;
+import android.os.RemoteException;
+import android.os.UserHandle;
 import android.os.UserManager;
+import android.util.ArraySet;
 import android.view.View;
 
 import com.android.settings.enterprise.DevicePolicyManagerWrapper;
 
 import java.util.List;
+import java.util.Set;
 
 public class ApplicationFeatureProviderImpl implements ApplicationFeatureProvider {
 
     private final Context mContext;
     private final PackageManagerWrapper mPm;
-    private final IPackageManager mPms;
+    private final IPackageManagerWrapper mPms;
     private final DevicePolicyManagerWrapper mDpm;
     private final UserManager mUm;
 
     public ApplicationFeatureProviderImpl(Context context, PackageManagerWrapper pm,
-            IPackageManager pms, DevicePolicyManagerWrapper dpm) {
+            IPackageManagerWrapper pms, DevicePolicyManagerWrapper dpm) {
         mContext = context.getApplicationContext();
         mPm = pm;
         mPms = pms;
@@ -61,6 +70,39 @@
                 callback).execute();
     }
 
+    @Override
+    public Set<PersistentPreferredActivityInfo> findPersistentPreferredActivities(
+            Intent[] intents) {
+        final Set<PersistentPreferredActivityInfo> activities = new ArraySet<>();
+        final List<UserHandle> users = mUm.getUserProfiles();
+        for (final Intent intent : intents) {
+            for (final UserHandle user : users) {
+                final int userId = user.getIdentifier();
+                try {
+                    final ResolveInfo resolveInfo = mPms.findPersistentPreferredActivity(intent,
+                            userId);
+                    if (resolveInfo != null) {
+                        ComponentInfo componentInfo = null;
+                        if (resolveInfo.activityInfo != null) {
+                            componentInfo = resolveInfo.activityInfo;
+                        } else if (resolveInfo.serviceInfo != null) {
+                            componentInfo = resolveInfo.serviceInfo;
+                        } else if (resolveInfo.providerInfo != null) {
+                            componentInfo = resolveInfo.providerInfo;
+                        }
+                        if (componentInfo != null) {
+                            activities.add(new PersistentPreferredActivityInfo(
+                                    componentInfo.packageName, userId));
+                        }
+                    }
+                } catch (RemoteException exception) {
+                }
+            }
+
+        }
+        return activities;
+    }
+
     private static class AllUserInstalledAppCounter extends InstalledAppCounter {
         private NumberOfAppsCallback mCallback;
 
@@ -86,7 +128,7 @@
         private NumberOfAppsCallback mCallback;
 
         AllUserAppWithAdminGrantedPermissionsCounter(Context context, String[] permissions,
-                PackageManagerWrapper packageManager, IPackageManager packageManagerService,
+                PackageManagerWrapper packageManager, IPackageManagerWrapper packageManagerService,
                 DevicePolicyManagerWrapper devicePolicyManager, NumberOfAppsCallback callback) {
             super(context, permissions, packageManager, packageManagerService, devicePolicyManager);
             mCallback = callback;
diff --git a/src/com/android/settings/applications/DefaultAutoFillPreference.java b/src/com/android/settings/applications/DefaultAutoFillPreference.java
new file mode 100644
index 0000000..9ed2e19
--- /dev/null
+++ b/src/com/android/settings/applications/DefaultAutoFillPreference.java
@@ -0,0 +1,141 @@
+/**
+ * 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.applications;
+
+import android.annotation.Nullable;
+import android.app.ActivityManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.os.Parcelable;
+import android.provider.Settings;
+import android.service.autofill.AutoFillService;
+import android.service.autofill.AutoFillServiceInfo;
+import android.util.AttributeSet;
+import android.util.Log;
+
+import com.android.settings.R;
+import com.android.settings.AppListPreferenceWithSettings;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DefaultAutoFillPreference extends AppListPreferenceWithSettings {
+    private static final String TAG = "DefaultAutoFill";
+
+    private static final String SETTING = Settings.Secure.AUTO_FILL_SERVICE;
+
+    public DefaultAutoFillPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        setSavesState(false);
+        setShowItemNone(true);
+
+        refreshData();
+    }
+
+    @Override
+    protected CharSequence getConfirmationMessage(String value) {
+        if (value == null || value.isEmpty()) {
+            return null;
+        }
+
+        int index = findIndexOfValue(value);
+        CharSequence[] entries = getEntries();
+        if (index < 0 || index >= entries.length) {
+            return null;
+        }
+
+        CharSequence entry = entries[index];
+        return getContext().getString(R.string.autofill_confirmation_message, entry);
+    }
+
+    @Override
+    protected boolean persistString(String value) {
+        Settings.Secure.putString(getContext().getContentResolver(), SETTING, value);
+        refreshData();
+        return true;
+    }
+
+    private void refreshData() {
+        ComponentName selectedComponent = getSelectedComponentName();
+        List<AutoFillServiceInfo> infos = getInfos();
+
+        AutoFillServiceInfo selectedInfo = null;
+        int numberOfComponents = infos.size();
+        ComponentName[] components = new ComponentName[numberOfComponents];
+        for (int i = 0; i < numberOfComponents; ++i) {
+            AutoFillServiceInfo info = infos.get(i);
+            ServiceInfo serviceInfo = info.getServiceInfo();
+            ComponentName component =
+                    new ComponentName(serviceInfo.packageName, serviceInfo.name);
+            components[i] = component;
+
+            if (component.equals(selectedComponent)) {
+                selectedInfo = info;
+            }
+        }
+
+        ComponentName selectedComponentSettings = null;
+        if (selectedInfo != null) {
+            String settingsActivity = selectedInfo.getSettingsActivity();
+            selectedComponentSettings = settingsActivity != null
+                    ? new ComponentName(selectedComponent.getPackageName(), settingsActivity)
+                    : null;
+        } else { // selected component not found
+            Log.w(TAG, "Selected AutoFillService not found " + selectedComponent);
+            selectedComponent = null;
+            selectedComponentSettings = null;
+        }
+
+        setComponentNames(components, selectedComponent);
+        setSettingsComponent(selectedComponentSettings);
+        setSummary(getEntry());
+    }
+
+    @Nullable
+    private ComponentName getSelectedComponentName() {
+        String componentString =
+                Settings.Secure.getString(getContext().getContentResolver(), SETTING);
+        if (componentString == null) {
+            return null;
+        }
+
+        return ComponentName.unflattenFromString(componentString);
+    }
+
+    private List<AutoFillServiceInfo> getInfos() {
+        PackageManager pm = getContext().getPackageManager();
+        List<ResolveInfo> resolveInfos = pm.queryIntentServices(
+                new Intent(AutoFillService.SERVICE_INTERFACE),
+                PackageManager.GET_META_DATA);
+        List<AutoFillServiceInfo> infos = new ArrayList<>(resolveInfos.size());
+        for (ResolveInfo resolveInfo : resolveInfos) {
+            ServiceInfo serviceInfo = resolveInfo.serviceInfo;
+            AutoFillServiceInfo info = new AutoFillServiceInfo(pm, serviceInfo);
+            if (info.getParseError() == null) {
+                infos.add(info);
+            } else {
+                Log.i(TAG, "Invalid AutoFillService " + serviceInfo + ": " + info.getParseError());
+            }
+        }
+        return infos;
+    }
+}
diff --git a/src/com/android/settings/applications/DefaultBrowserPreference.java b/src/com/android/settings/applications/DefaultBrowserPreference.java
deleted file mode 100644
index 9d84e1e..0000000
--- a/src/com/android/settings/applications/DefaultBrowserPreference.java
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settings.applications;
-
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.net.Uri;
-import android.os.Handler;
-import android.os.UserHandle;
-import android.text.TextUtils;
-import android.util.AttributeSet;
-import android.util.Log;
-
-import com.android.internal.content.PackageMonitor;
-import com.android.settings.AppListPreference;
-import com.android.settings.R;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class DefaultBrowserPreference extends AppListPreference {
-
-    private static final String TAG = "DefaultBrowserPref";
-    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
-
-    private static final long DELAY_UPDATE_BROWSER_MILLIS = 500;
-    private static final Intent BROWSE_PROBE = new Intent()
-            .setAction(Intent.ACTION_VIEW)
-            .addCategory(Intent.CATEGORY_BROWSABLE)
-            .setData(Uri.parse("http:"));
-
-    private final Handler mHandler = new Handler();
-    private final PackageManager mPm;
-
-    public DefaultBrowserPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-
-        mPm = context.getPackageManager();
-        refreshBrowserApps();
-    }
-
-    @Override
-    public void onAttached() {
-        super.onAttached();
-        updateDefaultBrowserPreference();
-        mPackageMonitor.register(getContext(), getContext().getMainLooper(), false);
-    }
-
-    @Override
-    public void onDetached() {
-        mPackageMonitor.unregister();
-        super.onDetached();
-    }
-
-    @Override
-    protected boolean persistString(String newValue) {
-        final CharSequence packageName = newValue;
-        if (TextUtils.isEmpty(packageName)) {
-            return false;
-        }
-        boolean result = mPm.setDefaultBrowserPackageNameAsUser(
-                packageName.toString(), mUserId);
-        if (result) {
-            setSummary("%s");
-        }
-        return result && super.persistString(newValue);
-    }
-
-    public void refreshBrowserApps() {
-        List<String> browsers = resolveBrowserApps();
-
-        setPackageNames(browsers.toArray(new String[browsers.size()]), null);
-    }
-
-    private void updateDefaultBrowserPreference() {
-        refreshBrowserApps();
-
-        final PackageManager pm = getContext().getPackageManager();
-
-        String packageName = pm.getDefaultBrowserPackageNameAsUser(mUserId);
-        if (!TextUtils.isEmpty(packageName)) {
-            // Check if the default Browser package is still there
-            final Intent intent = new Intent(BROWSE_PROBE)
-                    .setPackage(packageName);
-
-            final ResolveInfo info = mPm.resolveActivityAsUser(intent, 0, mUserId);
-            if (info != null) {
-                setValue(packageName);
-                setSummary("%s");
-            } else {
-                setSummary(R.string.default_browser_title_none);
-            }
-        } else {
-            if (DEBUG) Log.d(TAG, "No default browser app.");
-            setSoleAppLabelAsSummary();
-        }
-    }
-
-    private List<String> resolveBrowserApps() {
-        List<String> result = new ArrayList<>();
-
-        // Resolve that intent and check that the handleAllWebDataURI boolean is set
-        List<ResolveInfo> list = mPm.queryIntentActivitiesAsUser(BROWSE_PROBE,
-                PackageManager.MATCH_ALL, mUserId);
-
-        final int count = list.size();
-        for (int i = 0; i < count; i++) {
-            ResolveInfo info = list.get(i);
-            if (info.activityInfo == null || result.contains(info.activityInfo.packageName)
-                    || !info.handleAllWebDataURI) {
-                continue;
-            }
-
-            result.add(info.activityInfo.packageName);
-        }
-
-        return result;
-    }
-
-    @Override
-    protected CharSequence getSoleAppLabel() {
-        // Resolve that intent and check that the handleAllWebDataURI boolean is set
-        List<ResolveInfo> list = mPm.queryIntentActivitiesAsUser(BROWSE_PROBE,
-                PackageManager.MATCH_ALL, mUserId);
-        if (list.size() == 1) {
-            return list.get(0).loadLabel(mPm);
-        }
-        return null;
-    }
-
-    private final Runnable mUpdateRunnable = new Runnable() {
-        @Override
-        public void run() {
-            updateDefaultBrowserPreference();
-        }
-    };
-
-    private final PackageMonitor mPackageMonitor = new PackageMonitor() {
-        @Override
-        public void onPackageAdded(String packageName, int uid) {
-            sendUpdate();
-        }
-
-        @Override
-        public void onPackageAppeared(String packageName, int reason) {
-            sendUpdate();
-        }
-
-        @Override
-        public void onPackageDisappeared(String packageName, int reason) {
-            sendUpdate();
-        }
-
-        @Override
-        public void onPackageRemoved(String packageName, int uid) {
-            sendUpdate();
-        }
-
-        private void sendUpdate() {
-            mHandler.postDelayed(mUpdateRunnable, DELAY_UPDATE_BROWSER_MILLIS);
-        }
-    };
-
-    public static boolean hasBrowserPreference(String pkg, Context context) {
-        Intent intent = new Intent();
-        intent.setAction(Intent.ACTION_VIEW);
-        intent.addCategory(Intent.CATEGORY_BROWSABLE);
-        intent.setData(Uri.parse("http:"));
-        intent.setPackage(pkg);
-        final List<ResolveInfo> resolveInfos =
-                context.getPackageManager().queryIntentActivities(intent, 0);
-        return resolveInfos != null && resolveInfos.size() != 0;
-    }
-
-    public static boolean isBrowserDefault(String pkg, Context context) {
-        String defaultPackage = context.getPackageManager()
-                .getDefaultBrowserPackageNameAsUser(UserHandle.myUserId());
-        return defaultPackage != null && defaultPackage.equals(pkg);
-    }
-}
diff --git a/src/com/android/settings/applications/DefaultEmergencyPreference.java b/src/com/android/settings/applications/DefaultEmergencyPreference.java
deleted file mode 100644
index dd4dc2e..0000000
--- a/src/com/android/settings/applications/DefaultEmergencyPreference.java
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License
- */
-
-package com.android.settings.applications;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.os.AsyncTask;
-import android.provider.Settings;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
-import android.util.ArraySet;
-import android.util.AttributeSet;
-
-import com.android.settings.AppListPreference;
-import com.android.settings.R;
-import com.android.settings.SelfAvailablePreference;
-import com.android.settings.Utils;
-
-import java.util.List;
-import java.util.Objects;
-import java.util.Set;
-
-/**
- * A preference for choosing the default emergency app
- */
-public class DefaultEmergencyPreference extends AppListPreference
-        implements SelfAvailablePreference {
-
-    private static final boolean DEFAULT_EMERGENCY_APP_IS_CONFIGURABLE = false;
-    private final ContentResolver mContentResolver;
-
-    public static final Intent QUERY_INTENT = new Intent(
-            TelephonyManager.ACTION_EMERGENCY_ASSISTANCE);
-
-    public DefaultEmergencyPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        mContentResolver = context.getContentResolver();
-        load();
-    }
-
-    @Override
-    protected CharSequence getConfirmationMessage(String value) {
-        return Utils.isPackageDirectBootAware(getContext(), value) ? null
-                : getContext().getText(R.string.direct_boot_unaware_dialog_message);
-    }
-
-    @Override
-    protected boolean persistString(String value) {
-        String previousValue = Settings.Secure.getString(mContentResolver,
-                Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
-
-        if (!TextUtils.isEmpty(value) && !Objects.equals(value, previousValue)) {
-            Settings.Secure.putString(mContentResolver,
-                    Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION,
-                    value);
-        }
-        setSummary(getEntry());
-        return true;
-    }
-
-    private void load() {
-        new AsyncTask<Void, Void, Set<String>>() {
-            @Override
-            protected Set<String> doInBackground(Void[] params) {
-                return resolveAssistPackageAndQueryApps();
-            }
-
-            @Override
-            protected void onPostExecute(Set<String> entries) {
-                String currentPkg = Settings.Secure.getString(mContentResolver,
-                        Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
-                setPackageNames(entries.toArray(new String[entries.size()]), currentPkg);
-            }
-        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    }
-
-    private Set<String> resolveAssistPackageAndQueryApps() {
-        Set<String> packages = new ArraySet<>();
-
-        PackageManager packageManager = getContext().getPackageManager();
-        List<ResolveInfo> infos = packageManager.queryIntentActivities(QUERY_INTENT, 0);
-
-        PackageInfo bestMatch = null;
-        final int size = infos.size();
-        for (int i = 0; i < size; i++) {
-            ResolveInfo info = infos.get(i);
-            if (info == null || info.activityInfo == null
-                    || packages.contains(info.activityInfo.packageName)) {
-                continue;
-            }
-
-            String packageName = info.activityInfo.packageName;
-
-            packages.add(packageName);
-
-            PackageInfo packageInfo;
-            try {
-                packageInfo = packageManager.getPackageInfo(packageName, 0);
-            } catch (PackageManager.NameNotFoundException e) {
-                continue;
-            }
-
-            // Get earliest installed system app.
-            if (isSystemApp(packageInfo) && (bestMatch == null ||
-                    bestMatch.firstInstallTime > packageInfo.firstInstallTime)) {
-                bestMatch = packageInfo;
-            }
-        }
-
-        String defaultPackage = Settings.Secure.getString(mContentResolver,
-                Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
-        boolean defaultMissing = TextUtils.isEmpty(defaultPackage)
-                || !packages.contains(defaultPackage);
-        if (bestMatch != null && defaultMissing) {
-            Settings.Secure.putString(mContentResolver,
-                    Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION,
-                    bestMatch.packageName);
-        }
-
-        return packages;
-    }
-
-    private static boolean isCapable(Context context) {
-        return TelephonyManager.EMERGENCY_ASSISTANCE_ENABLED
-                && context.getResources().getBoolean(
-                com.android.internal.R.bool.config_voice_capable);
-    }
-
-    private static boolean isSystemApp(PackageInfo info) {
-        return info.applicationInfo != null
-                && (info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
-    }
-
-    public boolean isAvailable(Context context) {
-        return DEFAULT_EMERGENCY_APP_IS_CONFIGURABLE
-                && isCapable(context)
-                && context.getPackageManager().resolveActivity(QUERY_INTENT, 0) != null;
-    }
-
-    public static boolean hasEmergencyPreference(String pkg, Context context) {
-        Intent i = new Intent(QUERY_INTENT);
-        i.setPackage(pkg);
-        final List<ResolveInfo> resolveInfos =
-                context.getPackageManager().queryIntentActivities(i, 0);
-        return resolveInfos != null && resolveInfos.size() != 0;
-    }
-
-    public static boolean isEmergencyDefault(String pkg, Context context) {
-        String defaultPackage = Settings.Secure.getString(context.getContentResolver(),
-                Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
-        return defaultPackage != null && defaultPackage.equals(pkg);
-    }
-}
diff --git a/src/com/android/settings/applications/DefaultHomePreference.java b/src/com/android/settings/applications/DefaultHomePreference.java
deleted file mode 100644
index 46fba66..0000000
--- a/src/com/android/settings/applications/DefaultHomePreference.java
+++ /dev/null
@@ -1,158 +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.applications;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.content.pm.ActivityInfo;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.content.pm.UserInfo;
-import android.os.Build;
-import android.os.UserManager;
-import android.util.AttributeSet;
-
-import com.android.settings.AppListPreference;
-import com.android.settings.R;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class DefaultHomePreference extends AppListPreference {
-
-    private final ArrayList<ComponentName> mAllHomeComponents = new ArrayList<>();
-    private final IntentFilter mHomeFilter;
-    private final String mPackageName;
-
-    public DefaultHomePreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        mPackageName = getContext().getPackageName();
-        mHomeFilter = new IntentFilter(Intent.ACTION_MAIN);
-        mHomeFilter.addCategory(Intent.CATEGORY_HOME);
-        mHomeFilter.addCategory(Intent.CATEGORY_DEFAULT);
-        refreshHomeOptions();
-    }
-
-    @Override
-    public void performClick() {
-        refreshHomeOptions();
-        super.performClick();
-    }
-
-    @Override
-    protected boolean persistString(String value) {
-        if (value != null) {
-            ComponentName component = ComponentName.unflattenFromString(value);
-            getContext().getPackageManager().replacePreferredActivity(mHomeFilter,
-                    IntentFilter.MATCH_CATEGORY_EMPTY,
-                    mAllHomeComponents.toArray(new ComponentName[0]), component);
-            setSummary(getEntry());
-        } else {
-            // If there is only 1 launcher, use its label as summary text.
-            setSoleAppLabelAsSummary();
-        }
-        return super.persistString(value);
-    }
-
-    @Override
-    protected CharSequence getSoleAppLabel() {
-        final PackageManager pm = getContext().getPackageManager();
-        final List<ResolveInfo> homeActivities = new ArrayList<>();
-        final List<CharSequence> appLabels = new ArrayList<>();
-
-        pm.getHomeActivities(homeActivities);
-        for (ResolveInfo candidate : homeActivities) {
-            final ActivityInfo info = candidate.activityInfo;
-            if (info.packageName.equals(mPackageName)) {
-                continue;
-            }
-            appLabels.add(info.loadLabel(pm));
-        }
-        return appLabels.size() == 1 ? appLabels.get(0) : null;
-    }
-
-    public void refreshHomeOptions() {
-        ArrayList<ResolveInfo> homeActivities = new ArrayList<>();
-        PackageManager pm = getContext().getPackageManager();
-        ComponentName currentDefaultHome = pm.getHomeActivities(homeActivities);
-        ArrayList<ComponentName> components = new ArrayList<>();
-        mAllHomeComponents.clear();
-        List<CharSequence> summaries = new ArrayList<>();
-
-        boolean mustSupportManagedProfile = hasManagedProfile();
-        for (ResolveInfo candidate : homeActivities) {
-            final ActivityInfo info = candidate.activityInfo;
-            ComponentName activityName = new ComponentName(info.packageName, info.name);
-            mAllHomeComponents.add(activityName);
-            if (info.packageName.equals(mPackageName)) {
-                continue;
-            }
-            components.add(activityName);
-            if (mustSupportManagedProfile && !launcherHasManagedProfilesFeature(candidate, pm)) {
-                summaries.add(getContext().getString(R.string.home_work_profile_not_supported));
-            } else {
-                summaries.add(null);
-            }
-        }
-        setComponentNames(components.toArray(new ComponentName[0]), currentDefaultHome,
-                summaries.toArray(new CharSequence[0]));
-    }
-
-    private boolean launcherHasManagedProfilesFeature(ResolveInfo resolveInfo, PackageManager pm) {
-        try {
-            ApplicationInfo appInfo = pm.getApplicationInfo(
-                    resolveInfo.activityInfo.packageName, 0 /* default flags */);
-            return versionNumberAtLeastL(appInfo.targetSdkVersion);
-        } catch (PackageManager.NameNotFoundException e) {
-            return false;
-        }
-    }
-
-    private boolean versionNumberAtLeastL(int versionNumber) {
-        return versionNumber >= Build.VERSION_CODES.LOLLIPOP;
-    }
-
-    private boolean hasManagedProfile() {
-        UserManager userManager = getContext().getSystemService(UserManager.class);
-        List<UserInfo> profiles = userManager.getProfiles(getContext().getUserId());
-        for (UserInfo userInfo : profiles) {
-            if (userInfo.isManagedProfile()) return true;
-        }
-        return false;
-    }
-
-    public static boolean hasHomePreference(String pkg, Context context) {
-        ArrayList<ResolveInfo> homeActivities = new ArrayList<ResolveInfo>();
-        PackageManager pm = context.getPackageManager();
-        pm.getHomeActivities(homeActivities);
-        for (int i = 0; i < homeActivities.size(); i++) {
-            if (homeActivities.get(i).activityInfo.packageName.equals(pkg)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    public static boolean isHomeDefault(String pkg, Context context) {
-        ArrayList<ResolveInfo> homeActivities = new ArrayList<ResolveInfo>();
-        PackageManager pm = context.getPackageManager();
-        ComponentName def = pm.getHomeActivities(homeActivities);
-
-        return def != null && def.getPackageName().equals(pkg);
-    }
-}
diff --git a/src/com/android/settings/applications/DefaultPhonePreference.java b/src/com/android/settings/applications/DefaultPhonePreference.java
deleted file mode 100644
index e151274..0000000
--- a/src/com/android/settings/applications/DefaultPhonePreference.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settings.applications;
-
-import android.content.Context;
-import android.os.UserHandle;
-import android.os.UserManager;
-import android.telecom.DefaultDialerManager;
-import android.telecom.TelecomManager;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
-import android.util.AttributeSet;
-
-import com.android.settings.AppListPreference;
-import com.android.settings.R;
-import com.android.settings.SelfAvailablePreference;
-import com.android.settings.Utils;
-
-import java.util.List;
-import java.util.Objects;
-
-public class DefaultPhonePreference extends AppListPreference implements SelfAvailablePreference {
-    public DefaultPhonePreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        loadDialerApps();
-    }
-
-    @Override
-    protected CharSequence getConfirmationMessage(String value) {
-        return Utils.isPackageDirectBootAware(getContext(), value) ? null
-                : getContext().getText(R.string.direct_boot_unaware_dialog_message);
-    }
-
-    @Override
-    protected boolean persistString(String value) {
-        if (!TextUtils.isEmpty(value) && !Objects.equals(value, getDefaultPackage())) {
-            DefaultDialerManager.setDefaultDialerApplication(getContext(), value, mUserId);
-        }
-        setSummary(getEntry());
-        return true;
-    }
-
-    private void loadDialerApps() {
-        List<String> dialerPackages =
-                DefaultDialerManager.getInstalledDialerApplications(getContext(), mUserId);
-
-        final String[] dialers = new String[dialerPackages.size()];
-        for (int i = 0; i < dialerPackages.size(); i++) {
-            dialers[i] = dialerPackages.get(i);
-        }
-        setPackageNames(dialers, getDefaultPackage(), getSystemPackage());
-    }
-
-    private String getDefaultPackage() {
-        return DefaultDialerManager.getDefaultDialerApplication(getContext(), mUserId);
-    }
-
-    private String getSystemPackage() {
-        TelecomManager tm = TelecomManager.from(getContext());
-        return tm.getSystemDialerPackage();
-    }
-
-    @Override
-    public boolean isAvailable(Context context) {
-        final TelephonyManager tm =
-                (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
-        if (!tm.isVoiceCapable()) {
-            return false;
-        }
-
-        final UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
-        final boolean hasUserRestriction =
-                um.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS);
-        final CharSequence[] entries = getEntries();
-        return !hasUserRestriction
-                && entries != null
-                && entries.length > 0;
-    }
-
-    public static boolean hasPhonePreference(String pkg, Context context) {
-        List<String> dialerPackages =
-                DefaultDialerManager.getInstalledDialerApplications(context, UserHandle.myUserId());
-        return dialerPackages.contains(pkg);
-    }
-
-    public static boolean isPhoneDefault(String pkg, Context context) {
-        String def = DefaultDialerManager.getDefaultDialerApplication(context,
-                UserHandle.myUserId());
-        return def != null && def.equals(pkg);
-    }
-}
diff --git a/src/com/android/settings/applications/DefaultSmsPreference.java b/src/com/android/settings/applications/DefaultSmsPreference.java
deleted file mode 100644
index 96ac9a2..0000000
--- a/src/com/android/settings/applications/DefaultSmsPreference.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.settings.applications;
-
-import android.content.ComponentName;
-import android.content.Context;
-import android.os.UserHandle;
-import android.os.UserManager;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
-import android.util.AttributeSet;
-
-import com.android.internal.telephony.SmsApplication;
-import com.android.internal.telephony.SmsApplication.SmsApplicationData;
-import com.android.settings.AppListPreference;
-import com.android.settings.R;
-import com.android.settings.SelfAvailablePreference;
-import com.android.settings.Utils;
-
-import java.util.Collection;
-import java.util.Objects;
-
-public class DefaultSmsPreference extends AppListPreference implements SelfAvailablePreference {
-    public DefaultSmsPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        loadSmsApps();
-    }
-
-    private void loadSmsApps() {
-        Collection<SmsApplicationData> smsApplications =
-                SmsApplication.getApplicationCollection(getContext());
-
-        int count = smsApplications.size();
-        String[] packageNames = new String[count];
-        int i = 0;
-        for (SmsApplicationData smsApplicationData : smsApplications) {
-            packageNames[i++] = smsApplicationData.mPackageName;
-        }
-        setPackageNames(packageNames, getDefaultPackage());
-    }
-
-    private String getDefaultPackage() {
-        ComponentName appName = SmsApplication.getDefaultSmsApplication(getContext(), true);
-        if (appName != null) {
-            return appName.getPackageName();
-        }
-        return null;
-    }
-
-    @Override
-    protected CharSequence getConfirmationMessage(String value) {
-        return Utils.isPackageDirectBootAware(getContext(), value) ? null
-                : getContext().getText(R.string.direct_boot_unaware_dialog_message);
-    }
-
-    @Override
-    protected boolean persistString(String value) {
-        if (!TextUtils.isEmpty(value) && !Objects.equals(value, getDefaultPackage())) {
-            SmsApplication.setDefaultApplication(value, getContext());
-        }
-        setSummary(getEntry());
-        return true;
-    }
-
-    @Override
-    public boolean isAvailable(Context context) {
-        boolean isRestrictedUser =
-                UserManager.get(context)
-                        .getUserInfo(UserHandle.myUserId()).isRestricted();
-        TelephonyManager tm =
-                (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
-        return !isRestrictedUser && tm.isSmsCapable();
-    }
-
-    public static boolean hasSmsPreference(String pkg, Context context) {
-        Collection<SmsApplicationData> smsApplications =
-                SmsApplication.getApplicationCollection(context);
-        for (SmsApplicationData data : smsApplications) {
-            if (data.mPackageName.equals(pkg)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    public static boolean isSmsDefault(String pkg, Context context) {
-        ComponentName appName = SmsApplication.getDefaultSmsApplication(context, true);
-        return appName != null && appName.getPackageName().equals(pkg);
-    }
-}
diff --git a/src/com/android/settings/applications/IPackageManagerWrapper.java b/src/com/android/settings/applications/IPackageManagerWrapper.java
new file mode 100644
index 0000000..f885985
--- /dev/null
+++ b/src/com/android/settings/applications/IPackageManagerWrapper.java
@@ -0,0 +1,44 @@
+/*
+ * 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.applications;
+
+import android.content.Intent;
+import android.content.pm.ResolveInfo;
+import android.os.RemoteException;
+
+/**
+ * This interface replicates a subset of the android.content.pm.IPackageManager (PMS). The interface
+ * exists so that we can use a thin wrapper around the PMS in production code and a mock in tests.
+ * We cannot directly mock or shadow the PMS, because some of the methods we rely on are newer than
+ * the API version supported by Robolectric.
+ */
+public interface IPackageManagerWrapper {
+
+    /**
+     * Calls {@code IPackageManager.checkUidPermission()}.
+     *
+     * @see android.content.pm.IPackageManager#checkUidPermission
+     */
+    int checkUidPermission(String permName, int uid) throws RemoteException;
+
+    /**
+     * Calls {@code IPackageManager.findPersistentPreferredActivity()}.
+     *
+     * @see android.content.pm.IPackageManager#findPersistentPreferredActivity
+     */
+    ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) throws RemoteException;
+}
diff --git a/src/com/android/settings/applications/IPackageManagerWrapperImpl.java b/src/com/android/settings/applications/IPackageManagerWrapperImpl.java
new file mode 100644
index 0000000..5ea15b9
--- /dev/null
+++ b/src/com/android/settings/applications/IPackageManagerWrapperImpl.java
@@ -0,0 +1,42 @@
+/*
+ * 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.applications;
+
+import android.content.Intent;
+import android.content.pm.IPackageManager;
+import android.content.pm.ResolveInfo;
+import android.os.RemoteException;
+
+public class IPackageManagerWrapperImpl implements IPackageManagerWrapper {
+
+    private final IPackageManager mPms;
+
+    public IPackageManagerWrapperImpl(IPackageManager pms) {
+        mPms = pms;
+    }
+
+    @Override
+    public int checkUidPermission(String permName, int uid) throws RemoteException {
+        return mPms.checkUidPermission(permName, uid);
+    }
+
+    @Override
+    public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId)
+            throws RemoteException {
+        return mPms.findPersistentPreferredActivity(intent, userId);
+    }
+}
diff --git a/src/com/android/settings/applications/InstalledAppDetails.java b/src/com/android/settings/applications/InstalledAppDetails.java
index 930957e..873c5fd 100755
--- a/src/com/android/settings/applications/InstalledAppDetails.java
+++ b/src/com/android/settings/applications/InstalledAppDetails.java
@@ -21,8 +21,6 @@
 import android.app.ActivityManager;
 import android.app.AlertDialog;
 import android.app.LoaderManager.LoaderCallbacks;
-import android.app.Notification;
-import android.app.NotificationManager;
 import android.app.admin.DevicePolicyManager;
 import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
@@ -52,9 +50,8 @@
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.provider.Settings;
-import android.service.notification.NotificationListenerService.Ranking;
 import android.support.annotation.VisibleForTesting;
+import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.Preference.OnPreferenceClickListener;
 import android.support.v7.preference.PreferenceCategory;
@@ -78,7 +75,6 @@
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatteryStatsHelper;
-import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.AppHeader;
 import com.android.settings.DeviceAdminAdd;
 import com.android.settings.R;
@@ -86,6 +82,11 @@
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.Utils;
 import com.android.settings.applications.PermissionsSummaryHelper.PermissionsResultCallback;
+import com.android.settings.applications.defaultapps.DefaultBrowserPreferenceController;
+import com.android.settings.applications.defaultapps.DefaultEmergencyPreferenceController;
+import com.android.settings.applications.defaultapps.DefaultHomePreferenceController;
+import com.android.settings.applications.defaultapps.DefaultPhonePreferenceController;
+import com.android.settings.applications.defaultapps.DefaultSmsPreferenceController;
 import com.android.settings.dashboard.DashboardFeatureProvider;
 import com.android.settings.datausage.AppDataUsage;
 import com.android.settings.datausage.DataUsageList;
@@ -908,34 +909,49 @@
             return;
         }
         final PreferenceScreen screen = getPreferenceScreen();
-        if (DefaultHomePreference.hasHomePreference(mPackageName, getContext())) {
+        final Context context = getContext();
+        if (DefaultHomePreferenceController.hasHomePreference(mPackageName, context)) {
             screen.addPreference(new ShortcutPreference(getPrefContext(),
                     AdvancedAppSettings.class, "default_home", R.string.home_app,
                     R.string.configure_apps));
         }
-        if (DefaultBrowserPreference.hasBrowserPreference(mPackageName, getContext())) {
+        if (DefaultBrowserPreferenceController.hasBrowserPreference(mPackageName, context)) {
             screen.addPreference(new ShortcutPreference(getPrefContext(),
                     AdvancedAppSettings.class, "default_browser", R.string.default_browser_title,
                     R.string.configure_apps));
         }
-        if (DefaultPhonePreference.hasPhonePreference(mPackageName, getContext())) {
+        if (DefaultPhonePreferenceController.hasPhonePreference(mPackageName, context)) {
             screen.addPreference(new ShortcutPreference(getPrefContext(),
                     AdvancedAppSettings.class, "default_phone_app", R.string.default_phone_title,
                     R.string.configure_apps));
         }
-        if (DefaultEmergencyPreference.hasEmergencyPreference(mPackageName, getContext())) {
+        if (DefaultEmergencyPreferenceController.hasEmergencyPreference(mPackageName, context)) {
             screen.addPreference(new ShortcutPreference(getPrefContext(),
                     AdvancedAppSettings.class, "default_emergency_app",
                     R.string.default_emergency_app, R.string.configure_apps));
         }
-        if (DefaultSmsPreference.hasSmsPreference(mPackageName, getContext())) {
+        if (DefaultSmsPreferenceController.hasSmsPreference(mPackageName, context)) {
             screen.addPreference(new ShortcutPreference(getPrefContext(),
                     AdvancedAppSettings.class, "default_sms_app", R.string.sms_application_title,
                     R.string.configure_apps));
         }
+
+        // Get the package info with the activities
+        PackageInfo packageInfoWithActivities = null;
+        try {
+            packageInfoWithActivities = mPm.getPackageInfoAsUser(mPackageName,
+                    PackageManager.GET_ACTIVITIES, UserHandle.myUserId());
+        } catch (NameNotFoundException e) {
+            Log.e(TAG, "Exception while retrieving the package info of " + mPackageName, e);
+        }
+
         boolean hasDrawOverOtherApps = hasPermission(permission.SYSTEM_ALERT_WINDOW);
         boolean hasWriteSettings = hasPermission(permission.WRITE_SETTINGS);
-        if (hasDrawOverOtherApps || hasWriteSettings) {
+        boolean hasPictureInPictureActivities = (packageInfoWithActivities != null) &&
+                PictureInPictureSettings.checkPackageHasPictureInPictureActivities(
+                        packageInfoWithActivities.packageName,
+                        packageInfoWithActivities.activities);
+        if (hasDrawOverOtherApps || hasWriteSettings || hasPictureInPictureActivities) {
             PreferenceCategory category = new PreferenceCategory(getPrefContext());
             category.setTitle(R.string.advanced_apps);
             screen.addPreference(category);
@@ -968,6 +984,23 @@
                 });
                 category.addPreference(pref);
             }
+            if (hasPictureInPictureActivities) {
+                final SwitchPreference pref = new SwitchPreference(getPrefContext());
+                pref.setPersistent(false);
+                pref.setTitle(R.string.picture_in_picture_app_detail_title);
+                pref.setSummary(R.string.picture_in_picture_app_detail_summary);
+                pref.setChecked(PictureInPictureSettings.getEnterPipOnHideStateForPackage(
+                        getContext(), mPackageInfo.applicationInfo.uid, mPackageName));
+                pref.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+                    @Override
+                    public boolean onPreferenceChange(Preference preference, Object newValue) {
+                        PictureInPictureSettings.setEnterPipOnHideStateForPackage(getContext(),
+                                mPackageInfo.applicationInfo.uid, mPackageName, (Boolean) newValue);
+                        return true;
+                    }
+                });
+                category.addPreference(pref);
+            }
         }
 
         addAppInstallerInfoPref(screen);
@@ -1021,29 +1054,33 @@
     }
 
     private void updateDynamicPrefs() {
+        final Context context = getContext();
         Preference pref = findPreference("default_home");
+
         if (pref != null) {
-            pref.setSummary(DefaultHomePreference.isHomeDefault(mPackageName, getContext())
+            pref.setSummary(DefaultHomePreferenceController.isHomeDefault(mPackageName, context)
                     ? R.string.yes : R.string.no);
         }
         pref = findPreference("default_browser");
         if (pref != null) {
-            pref.setSummary(DefaultBrowserPreference.isBrowserDefault(mPackageName, getContext())
+            pref.setSummary(
+                    DefaultBrowserPreferenceController.isBrowserDefault(mPackageName, context)
                     ? R.string.yes : R.string.no);
         }
         pref = findPreference("default_phone_app");
         if (pref != null) {
-            pref.setSummary(DefaultPhonePreference.isPhoneDefault(mPackageName, getContext())
+            pref.setSummary(
+                    DefaultPhonePreferenceController.isPhoneDefault(mPackageName, context)
                     ? R.string.yes : R.string.no);
         }
         pref = findPreference("default_emergency_app");
         if (pref != null) {
-            pref.setSummary(DefaultEmergencyPreference.isEmergencyDefault(mPackageName,
+            pref.setSummary(DefaultEmergencyPreferenceController.isEmergencyDefault(mPackageName,
                     getContext()) ? R.string.yes : R.string.no);
         }
         pref = findPreference("default_sms_app");
         if (pref != null) {
-            pref.setSummary(DefaultSmsPreference.isSmsDefault(mPackageName, getContext())
+            pref.setSummary(DefaultSmsPreferenceController.isSmsDefault(mPackageName, context)
                     ? R.string.yes : R.string.no);
         }
         pref = findPreference("system_alert_window");
diff --git a/src/com/android/settings/applications/ManageApplications.java b/src/com/android/settings/applications/ManageApplications.java
index a87ba53..f6b303c 100644
--- a/src/com/android/settings/applications/ManageApplications.java
+++ b/src/com/android/settings/applications/ManageApplications.java
@@ -31,7 +31,6 @@
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.preference.PreferenceFrameLayout;
-import android.support.v7.preference.Preference;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -57,6 +56,7 @@
 import com.android.settings.AppHeader;
 import com.android.settings.R;
 import com.android.settings.Settings.AllApplicationsActivity;
+import com.android.settings.Settings.GamesStorageActivity;
 import com.android.settings.Settings.HighPowerApplicationsActivity;
 import com.android.settings.Settings.ManageExternalSourcesActivity;
 import com.android.settings.Settings.NotificationAppListActivity;
@@ -216,6 +216,7 @@
     public static final int LIST_TYPE_OVERLAY = 6;
     public static final int LIST_TYPE_WRITE_SETTINGS = 7;
     public static final int LIST_TYPE_MANAGE_SOURCES = 8;
+    public static final int LIST_TYPE_GAMES = 9;
 
     private View mRootView;
 
@@ -267,6 +268,9 @@
             mListType = LIST_TYPE_WRITE_SETTINGS;
         } else if (className.equals(ManageExternalSourcesActivity.class.getName())) {
             mListType = LIST_TYPE_MANAGE_SOURCES;
+        } else if (className.equals(GamesStorageActivity.class.getName())) {
+            mListType = LIST_TYPE_GAMES;
+            mSortOrder = R.id.sort_order_size;
         } else {
             mListType = LIST_TYPE_MAIN;
         }
@@ -359,6 +363,9 @@
         if (mListType == LIST_TYPE_STORAGE) {
             mApplications.setOverrideFilter(new VolumeFilter(mVolumeUuid));
         }
+        if (mListType == LIST_TYPE_GAMES) {
+            mApplications.setOverrideFilter(ApplicationsState.FILTER_GAMES);
+        }
     }
 
     @Override
@@ -399,6 +406,7 @@
             case LIST_TYPE_MAIN:
             case LIST_TYPE_NOTIFICATION:
             case LIST_TYPE_STORAGE:
+            case LIST_TYPE_GAMES:
                 return mSortOrder == R.id.sort_order_alpha;
             default:
                 return false;
@@ -413,6 +421,7 @@
             case LIST_TYPE_NOTIFICATION:
                 return MetricsEvent.MANAGE_APPLICATIONS_NOTIFICATIONS;
             case LIST_TYPE_STORAGE:
+            case LIST_TYPE_GAMES:
                 return MetricsEvent.APPLICATIONS_STORAGE_APPS;
             case LIST_TYPE_USAGE_ACCESS:
                 return MetricsEvent.USAGE_ACCESS;
@@ -517,6 +526,8 @@
                 break;
             case LIST_TYPE_MANAGE_SOURCES:
                 startAppInfoFragment(ExternalSourcesDetails.class, R.string.install_other_apps);
+            case LIST_TYPE_GAMES:
+                startAppInfoFragment(AppStorageSettings.class, R.string.game_storage_settings);
                 break;
             // TODO: Figure out if there is a way where we can spin up the profile's settings
             // process ahead of time, to avoid a long load of data when user clicks on a managed app.
diff --git a/src/com/android/settings/applications/PackageManagerWrapper.java b/src/com/android/settings/applications/PackageManagerWrapper.java
index 4166ccf..2be92ed 100644
--- a/src/com/android/settings/applications/PackageManagerWrapper.java
+++ b/src/com/android/settings/applications/PackageManagerWrapper.java
@@ -16,7 +16,9 @@
 
 package com.android.settings.applications;
 
+import android.content.ComponentName;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
@@ -58,11 +60,42 @@
      */
     List<ResolveInfo> queryIntentActivitiesAsUser(Intent intent, int flags, int userId);
 
-
     /**
      * Calls {@code PackageManager.getInstallReason()}.
      *
      * @see android.content.pm.PackageManager#getInstallReason
      */
     int getInstallReason(String packageName, UserHandle user);
+
+    /**
+     * Calls {@code PackageManager.getApplicationInfoAsUser}
+     */
+    ApplicationInfo getApplicationInfoAsUser(String packageName, int i, int userId)
+            throws PackageManager.NameNotFoundException;
+
+    /**
+     * Calls {@code PackageManager.setDefaultBrowserPackageNameAsUser}
+     */
+    boolean setDefaultBrowserPackageNameAsUser(String packageName, int userId);
+
+    /**
+     * Calls {@code PackageManager.getDefaultBrowserPackageNameAsUser}
+     */
+    String getDefaultBrowserPackageNameAsUser(int userId);
+
+    /**
+     * Calls {@code PackageManager.getHomeActivities}
+     */
+    ComponentName getHomeActivities(List<ResolveInfo> homeActivities);
+
+    /**
+     * Calls {@code PackageManager.queryIntentServicesAsUser}
+     */
+    List<ResolveInfo> queryIntentServicesAsUser(Intent intent, int i, int user);
+
+    /**
+     * Calls {@code PackageManager.replacePreferredActivity}
+     */
+    void replacePreferredActivity(IntentFilter homeFilter, int matchCategoryEmpty,
+            ComponentName[] componentNames, ComponentName component);
 }
diff --git a/src/com/android/settings/applications/PackageManagerWrapperImpl.java b/src/com/android/settings/applications/PackageManagerWrapperImpl.java
index 2427cce..698c14c 100644
--- a/src/com/android/settings/applications/PackageManagerWrapperImpl.java
+++ b/src/com/android/settings/applications/PackageManagerWrapperImpl.java
@@ -16,7 +16,9 @@
 
 package com.android.settings.applications;
 
+import android.content.ComponentName;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
@@ -56,4 +58,36 @@
     public int getInstallReason(String packageName, UserHandle user) {
         return mPm.getInstallReason(packageName, user);
     }
+
+    @Override
+    public ApplicationInfo getApplicationInfoAsUser(String packageName, int i, int userId)
+            throws PackageManager.NameNotFoundException {
+        return mPm.getApplicationInfoAsUser(packageName, i, userId);
+    }
+
+    @Override
+    public boolean setDefaultBrowserPackageNameAsUser(String packageName, int userId) {
+        return mPm.setDefaultBrowserPackageNameAsUser(packageName, userId);
+    }
+
+    @Override
+    public String getDefaultBrowserPackageNameAsUser(int userId) {
+        return mPm.getDefaultBrowserPackageNameAsUser(userId);
+    }
+
+    @Override
+    public ComponentName getHomeActivities(List<ResolveInfo> homeActivities) {
+        return mPm.getHomeActivities(homeActivities);
+    }
+
+    @Override
+    public List<ResolveInfo> queryIntentServicesAsUser(Intent intent, int i, int user) {
+        return mPm.queryIntentServicesAsUser(intent, i, user);
+    }
+
+    @Override
+    public void replacePreferredActivity(IntentFilter homeFilter, int matchCategoryEmpty,
+            ComponentName[] componentNames, ComponentName component) {
+        mPm.replacePreferredActivity(homeFilter, matchCategoryEmpty, componentNames, component);
+    }
 }
diff --git a/src/com/android/settings/applications/PictureInPictureSettings.java b/src/com/android/settings/applications/PictureInPictureSettings.java
new file mode 100644
index 0000000..df73572
--- /dev/null
+++ b/src/com/android/settings/applications/PictureInPictureSettings.java
@@ -0,0 +1,200 @@
+/*
+ * 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.applications;
+
+import static android.app.AppOpsManager.MODE_ALLOWED;
+import static android.app.AppOpsManager.MODE_ERRORED;
+import static android.app.AppOpsManager.OP_ENTER_PICTURE_IN_PICTURE_ON_HIDE;
+import static android.content.pm.PackageManager.GET_ACTIVITIES;
+
+import android.annotation.Nullable;
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageItemInfo;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+import android.util.ArrayMap;
+import android.view.View;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.notification.EmptyTextSettings;
+import com.android.settings.overlay.FeatureFactory;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class PictureInPictureSettings extends EmptyTextSettings {
+
+    private static final String TAG = PictureInPictureSettings.class.getSimpleName();
+    @VisibleForTesting
+    static final List<String> IGNORE_PACKAGE_LIST = new ArrayList<>();
+    static {
+        IGNORE_PACKAGE_LIST.add("com.android.systemui");
+    }
+
+    private Context mContext;
+    private PackageManager mPackageManager;
+
+    /**
+     * @return true if the package has any activities that declare that they support
+     *         picture-in-picture.
+     */
+    static boolean checkPackageHasPictureInPictureActivities(String packageName,
+            ActivityInfo[] activities) {
+        ActivityInfoWrapper[] wrappedActivities = null;
+        if (activities != null) {
+            wrappedActivities = new ActivityInfoWrapper[activities.length];
+            for (int i = 0; i < activities.length; i++) {
+                wrappedActivities[i] = new ActivityInfoWrapperImpl(activities[i]);
+            }
+        }
+        return checkPackageHasPictureInPictureActivities(packageName, wrappedActivities);
+    }
+
+    /**
+     * @return true if the package has any activities that declare that they support
+     *         picture-in-picture.
+     */
+    @VisibleForTesting
+    static boolean checkPackageHasPictureInPictureActivities(String packageName,
+            ActivityInfoWrapper[] activities) {
+        // Skip if it's in the ignored list
+        if (IGNORE_PACKAGE_LIST.contains(packageName)) {
+            return false;
+        }
+
+        // Iterate through all the activities and check if it is resizeable and supports
+        // picture-in-picture
+        if (activities != null) {
+            for (int i = activities.length - 1; i >= 0; i--) {
+                if (activities[i].supportsPictureInPicture()) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Sets whether the app associated with the given {@param packageName} is allowed to enter
+     * picture-in-picture when it is hidden.
+     */
+    static void setEnterPipOnHideStateForPackage(Context context, int uid, String packageName,
+            boolean value) {
+        final AppOpsManager appOps = context.getSystemService(AppOpsManager.class);
+        final int newMode = value ? MODE_ALLOWED : MODE_ERRORED;
+        appOps.setMode(OP_ENTER_PICTURE_IN_PICTURE_ON_HIDE,
+                uid, packageName, newMode);
+    }
+
+    /**
+     * @return whether the app associated with the given {@param packageName} is allowed to enter
+     *         picture-in-picture when it is hidden.
+     */
+    static boolean getEnterPipOnHideStateForPackage(Context context, int uid, String packageName) {
+        final AppOpsManager appOps = context.getSystemService(AppOpsManager.class);
+        return appOps.checkOpNoThrow(OP_ENTER_PICTURE_IN_PICTURE_ON_HIDE,
+                uid, packageName) == MODE_ALLOWED;
+    }
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        mContext = getActivity();
+        mPackageManager = mContext.getPackageManager();
+        setPreferenceScreen(getPreferenceManager().createPreferenceScreen(mContext));
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        // Clear the prefs
+        final PreferenceScreen screen = getPreferenceScreen();
+        screen.removeAll();
+
+        // Fetch the set of applications which have at least one activity that declare that they
+        // support picture-in-picture
+        final ArrayMap<String, Boolean> packageToState = new ArrayMap<>();
+        final ArrayList<ApplicationInfo> pipApps = new ArrayList<>();
+        final List<PackageInfo> installedPackages = mPackageManager.getInstalledPackagesAsUser(
+                GET_ACTIVITIES, UserHandle.myUserId());
+        for (PackageInfo packageInfo : installedPackages) {
+            if (checkPackageHasPictureInPictureActivities(packageInfo.packageName,
+                    packageInfo.activities)) {
+                final String packageName = packageInfo.applicationInfo.packageName;
+                final boolean state = getEnterPipOnHideStateForPackage(mContext,
+                        packageInfo.applicationInfo.uid, packageName);
+                pipApps.add(packageInfo.applicationInfo);
+                packageToState.put(packageName, state);
+            }
+        }
+        Collections.sort(pipApps, new PackageItemInfo.DisplayNameComparator(mPackageManager));
+
+        // Rebuild the list of prefs
+        final Context prefContext = getPrefContext();
+        for (final ApplicationInfo appInfo : pipApps) {
+            final String packageName = appInfo.packageName;
+            final CharSequence label = appInfo.loadLabel(mPackageManager);
+            final SwitchPreference pref = new SwitchPreference(prefContext);
+            pref.setPersistent(false);
+            pref.setIcon(appInfo.loadIcon(mPackageManager));
+            pref.setTitle(label);
+            pref.setChecked(packageToState.get(packageName));
+            pref.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+                @Override
+                public boolean onPreferenceChange(Preference preference, Object newValue) {
+                    logSpecialPermissionChange((Boolean) newValue, packageName);
+                    setEnterPipOnHideStateForPackage(mContext, appInfo.uid, packageName,
+                            (Boolean) newValue);
+                    return true;
+                }
+            });
+            screen.addPreference(pref);
+        }
+    }
+
+    @Override
+    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        setEmptyText(R.string.picture_in_picture_empty_text);
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.SETTINGS_MANAGE_PICTURE_IN_PICTURE;
+    }
+
+    @VisibleForTesting
+    void logSpecialPermissionChange(boolean newState, String packageName) {
+        int logCategory = newState
+                ? MetricsEvent.APP_PICTURE_IN_PICTURE_ON_HIDE_ALLOW
+                : MetricsEvent.APP_PICTURE_IN_PICTURE_ON_HIDE_DENY;
+        FeatureFactory.getFactory(getContext())
+                .getMetricsFeatureProvider().action(getContext(), logCategory, packageName);
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultAppInfo.java b/src/com/android/settings/applications/defaultapps/DefaultAppInfo.java
new file mode 100644
index 0000000..7801591
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultAppInfo.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.applications.defaultapps;
+
+import android.app.AppGlobals;
+import android.content.ComponentName;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageItemInfo;
+import android.content.pm.PackageManager;
+import android.graphics.drawable.Drawable;
+import android.os.RemoteException;
+import android.os.UserHandle;
+
+/**
+ * Data model representing an app in DefaultAppPicker UI.
+ */
+class DefaultAppInfo {
+
+    public final int userId;
+    public final ComponentName componentName;
+    public final PackageItemInfo packageItemInfo;
+    public final String summary;
+
+    public DefaultAppInfo(int uid, ComponentName cn, String summary) {
+        packageItemInfo = null;
+        userId = uid;
+        componentName = cn;
+        this.summary = summary;
+    }
+
+    public DefaultAppInfo(PackageItemInfo info) {
+        userId = UserHandle.myUserId();
+        packageItemInfo = info;
+        componentName = null;
+        summary = null;
+    }
+
+    public CharSequence loadLabel(PackageManager pm) {
+        if (componentName != null) {
+            try {
+                final ActivityInfo actInfo = AppGlobals.getPackageManager().getActivityInfo(
+                        componentName, 0, userId);
+                if (actInfo != null) {
+                    return actInfo.loadLabel(pm);
+                } else {
+                    final ApplicationInfo appInfo = pm.getApplicationInfoAsUser(
+                            componentName.getPackageName(), 0, userId);
+                    return appInfo.loadLabel(pm);
+                }
+            } catch (RemoteException | PackageManager.NameNotFoundException e) {
+                return null;
+            }
+        } else if (packageItemInfo != null) {
+            return packageItemInfo.loadLabel(pm);
+        } else {
+            return null;
+        }
+
+    }
+
+    public Drawable loadIcon(PackageManager pm) {
+        if (componentName != null) {
+            try {
+                final ActivityInfo actInfo = AppGlobals.getPackageManager().getActivityInfo(
+                        componentName, 0, userId);
+                if (actInfo != null) {
+                    return actInfo.loadIcon(pm);
+                } else {
+                    final ApplicationInfo appInfo = pm.getApplicationInfoAsUser(
+                            componentName.getPackageName(), 0, userId);
+                    return appInfo.loadIcon(pm);
+                }
+            } catch (RemoteException | PackageManager.NameNotFoundException e) {
+                return null;
+            }
+        }
+        if (packageItemInfo != null) {
+            return packageItemInfo.loadIcon(pm);
+        } else {
+            return null;
+        }
+    }
+
+    public String getKey() {
+        if (componentName != null) {
+            return componentName.flattenToString();
+        } else if (packageItemInfo != null) {
+            return packageItemInfo.packageName;
+        } else {
+            return null;
+        }
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragment.java b/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragment.java
new file mode 100644
index 0000000..b322dab
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragment.java
@@ -0,0 +1,228 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.app.Fragment;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+import android.text.TextUtils;
+import android.util.ArrayMap;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.applications.PackageManagerWrapper;
+import com.android.settings.applications.PackageManagerWrapperImpl;
+import com.android.settings.core.InstrumentedPreferenceFragment;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+import com.android.settings.widget.RadioButtonPreference;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * A generic app picker fragment that shows a list of app as radio button group.
+ */
+public abstract class DefaultAppPickerFragment extends InstrumentedPreferenceFragment implements
+        RadioButtonPreference.OnClickListener {
+
+    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+    static final String EXTRA_FOR_WORK = "for_work";
+
+    private final Map<String, DefaultAppInfo> mCandidates = new ArrayMap<>();
+
+    protected PackageManagerWrapper mPm;
+    protected UserManager mUserManager;
+    protected int mUserId;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        mPm = new PackageManagerWrapperImpl(context.getPackageManager());
+        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
+        final Bundle arguments = getArguments();
+
+        boolean mForWork = false;
+        if (arguments != null) {
+            mForWork = arguments.getBoolean(EXTRA_FOR_WORK);
+        }
+        final UserHandle managedProfile = Utils.getManagedProfile(mUserManager);
+        mUserId = mForWork && managedProfile != null
+                ? managedProfile.getIdentifier()
+                : UserHandle.myUserId();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        final View view = super.onCreateView(inflater, container, savedInstanceState);
+        setHasOptionsMenu(true);
+        return view;
+    }
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        super.onCreatePreferences(savedInstanceState, rootKey);
+        addPreferencesFromResource(R.xml.app_picker_prefs);
+        mCandidates.clear();
+        final List<DefaultAppInfo> candidateList = getCandidates();
+        if (candidateList != null) {
+            for (DefaultAppInfo info : candidateList) {
+                mCandidates.put(info.getKey(), info);
+            }
+        }
+        final String defaultAppKey = getDefaultAppKey();
+        final String systemDefaultAppKey = getSystemDefaultAppKey();
+        final PreferenceScreen screen = getPreferenceScreen();
+        screen.removeAll();
+        if (shouldShowItemNone()) {
+            final RadioButtonPreference nonePref = new RadioButtonPreference(getPrefContext());
+            nonePref.setIcon(R.drawable.ic_remove_circle);
+            nonePref.setTitle(R.string.app_list_preference_none);
+            nonePref.setChecked(TextUtils.isEmpty(defaultAppKey));
+            nonePref.setOnClickListener(this);
+            screen.addPreference(nonePref);
+        }
+        for (Map.Entry<String, DefaultAppInfo> app : mCandidates.entrySet()) {
+            final RadioButtonPreference pref = new RadioButtonPreference(getPrefContext());
+            final String appKey = app.getKey();
+
+            pref.setTitle(app.getValue().loadLabel(mPm.getPackageManager()));
+            pref.setIcon(app.getValue().loadIcon(mPm.getPackageManager()));
+            pref.setKey(appKey);
+            if (TextUtils.equals(defaultAppKey, appKey)) {
+                pref.setChecked(true);
+            }
+            if (TextUtils.equals(systemDefaultAppKey, appKey)) {
+                pref.setSummary(R.string.system_app);
+            }
+            pref.setOnClickListener(this);
+            screen.addPreference(pref);
+        }
+    }
+
+    @Override
+    public void onRadioButtonClicked(RadioButtonPreference selected) {
+        final String selectedKey = selected.getKey();
+        final String confirmationMessage = getConfirmationMessage(mCandidates.get(selectedKey));
+        final Activity activity = getActivity();
+        if (TextUtils.isEmpty(confirmationMessage)) {
+            onRadioButtonConfirmed(selectedKey);
+        } else if (activity != null) {
+            final DialogFragment fragment = ConfirmationDialogFragment.newInstance(
+                    this, selectedKey, confirmationMessage);
+            fragment.show(activity.getFragmentManager(), ConfirmationDialogFragment.TAG);
+        }
+    }
+
+    private void onRadioButtonConfirmed(String selectedKey) {
+        final boolean success = setDefaultAppKey(selectedKey);
+        if (success) {
+            final PreferenceScreen screen = getPreferenceScreen();
+            if (screen != null) {
+                final int count = screen.getPreferenceCount();
+                for (int i = 0; i < count; i++) {
+                    final Preference pref = screen.getPreference(i);
+                    if (pref instanceof RadioButtonPreference) {
+                        final RadioButtonPreference radioPref = (RadioButtonPreference) pref;
+                        final boolean newCheckedState =
+                                TextUtils.equals(pref.getKey(), selectedKey);
+                        if (radioPref.isChecked() != newCheckedState) {
+                            radioPref.setChecked(TextUtils.equals(pref.getKey(), selectedKey));
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    protected boolean shouldShowItemNone() {
+        return false;
+    }
+
+    protected String getSystemDefaultAppKey() {
+        return null;
+    }
+
+    protected abstract List<DefaultAppInfo> getCandidates();
+
+    protected abstract String getDefaultAppKey();
+
+    protected abstract boolean setDefaultAppKey(String key);
+
+    protected String getConfirmationMessage(DefaultAppInfo appInfo) {
+        return null;
+    }
+
+    public static class ConfirmationDialogFragment extends InstrumentedDialogFragment
+            implements DialogInterface.OnClickListener {
+
+        public static final String TAG = "DefaultAppConfirm";
+        public static final String EXTRA_KEY = "extra_key";
+        public static final String EXTRA_MESSAGE = "extra_message";
+
+        @Override
+        public int getMetricsCategory() {
+            return MetricsProto.MetricsEvent.DEFAULT_APP_PICKER_CONFIRMATION_DIALOG;
+        }
+
+        public static ConfirmationDialogFragment newInstance(DefaultAppPickerFragment parent,
+                String key, String message) {
+            final ConfirmationDialogFragment fragment = new ConfirmationDialogFragment();
+            final Bundle argument = new Bundle();
+            argument.putString(EXTRA_KEY, key);
+            argument.putString(EXTRA_MESSAGE, message);
+            fragment.setArguments(argument);
+            fragment.setTargetFragment(parent, 0);
+            return fragment;
+        }
+
+        @Override
+        public Dialog onCreateDialog(Bundle savedInstanceState) {
+            final Bundle bundle = getArguments();
+            final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
+                    .setMessage(bundle.getString(EXTRA_MESSAGE))
+                    .setPositiveButton(android.R.string.ok, this)
+                    .setNegativeButton(android.R.string.cancel, null);
+            return builder.create();
+        }
+
+        @Override
+        public void onClick(DialogInterface dialog, int which) {
+            final Fragment fragment = getTargetFragment();
+            if (fragment instanceof DefaultAppPickerFragment) {
+                final Bundle bundle = getArguments();
+                ((DefaultAppPickerFragment) fragment).onRadioButtonConfirmed(
+                        bundle.getString(EXTRA_KEY));
+            }
+        }
+    }
+
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
new file mode 100644
index 0000000..a9433ac
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceController.java
@@ -0,0 +1,61 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.Context;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.support.v7.preference.Preference;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.android.settings.applications.PackageManagerWrapper;
+import com.android.settings.applications.PackageManagerWrapperImpl;
+import com.android.settings.core.PreferenceController;
+
+public abstract class DefaultAppPreferenceController extends PreferenceController {
+
+    private static final String TAG = "DefaultAppPrefControl";
+
+    protected final PackageManagerWrapper mPackageManager;
+    protected final UserManager mUserManager;
+
+    protected int mUserId;
+
+    public DefaultAppPreferenceController(Context context) {
+        super(context);
+        mPackageManager = new PackageManagerWrapperImpl(context.getPackageManager());
+        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
+        mUserId = UserHandle.myUserId();
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        final DefaultAppInfo app = getDefaultAppInfo();
+        CharSequence defaultAppLabel = null;
+        if (app != null) {
+            defaultAppLabel = app.loadLabel(mPackageManager.getPackageManager());
+        }
+        if (!TextUtils.isEmpty(defaultAppLabel)) {
+            preference.setSummary(defaultAppLabel);
+        } else {
+            Log.d(TAG, "No default app");
+        }
+    }
+
+    protected abstract DefaultAppInfo getDefaultAppInfo();
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultBrowserPicker.java b/src/com/android/settings/applications/defaultapps/DefaultBrowserPicker.java
new file mode 100644
index 0000000..70d9415
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultBrowserPicker.java
@@ -0,0 +1,71 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+
+import com.android.internal.logging.nano.MetricsProto;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Fragment for choosing default browser.
+ */
+public class DefaultBrowserPicker extends DefaultAppPickerFragment {
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEFAULT_BROWSER_PICKER;
+    }
+
+    @Override
+    protected String getDefaultAppKey() {
+        return mPm.getDefaultBrowserPackageNameAsUser(mUserId);
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String packageName) {
+        return mPm.setDefaultBrowserPackageNameAsUser(packageName, mUserId);
+    }
+
+    @Override
+    protected List<DefaultAppInfo> getCandidates() {
+        final List<DefaultAppInfo> candidates = new ArrayList<>();
+
+        // Resolve that intent and check that the handleAllWebDataURI boolean is set
+        final List<ResolveInfo> list = mPm.queryIntentActivitiesAsUser(
+                DefaultBrowserPreferenceController.BROWSE_PROBE, PackageManager.MATCH_ALL, mUserId);
+
+        final int count = list.size();
+        for (int i = 0; i < count; i++) {
+            ResolveInfo info = list.get(i);
+            if (info.activityInfo == null || !info.handleAllWebDataURI) {
+                continue;
+            }
+            try {
+                candidates.add(new DefaultAppInfo(
+                        mPm.getApplicationInfoAsUser(info.activityInfo.packageName, 0, mUserId)));
+            } catch (PackageManager.NameNotFoundException e) {
+                // Skip unknown packages.
+            }
+        }
+
+        return candidates;
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java
new file mode 100644
index 0000000..dca300b
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceController.java
@@ -0,0 +1,104 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.net.Uri;
+import android.os.UserHandle;
+import android.support.v7.preference.Preference;
+import android.text.TextUtils;
+
+import java.util.List;
+
+public class DefaultBrowserPreferenceController extends DefaultAppPreferenceController {
+
+    static final Intent BROWSE_PROBE = new Intent()
+            .setAction(Intent.ACTION_VIEW)
+            .addCategory(Intent.CATEGORY_BROWSABLE)
+            .setData(Uri.parse("http:"));
+
+    public DefaultBrowserPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "default_browser";
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        final DefaultAppInfo defaultApp = getDefaultAppInfo();
+        final CharSequence defaultAppLabel = defaultApp != null
+                ? defaultApp.loadLabel(mPackageManager.getPackageManager()) : null;
+        if (TextUtils.isEmpty(defaultAppLabel)) {
+            final String onlyAppLabel = getOnlyAppLabel();
+            if (!TextUtils.isEmpty(onlyAppLabel)) {
+                preference.setSummary(onlyAppLabel);
+            }
+        }
+    }
+
+    private String getOnlyAppLabel() {
+        // Resolve that intent and check that the handleAllWebDataURI boolean is set
+        final List<ResolveInfo> list = mPackageManager.queryIntentActivitiesAsUser(BROWSE_PROBE,
+                PackageManager.MATCH_ALL, mUserId);
+        if (list != null && list.size() == 1) {
+            return list.get(0).loadLabel(mPackageManager.getPackageManager()).toString();
+        }
+        return null;
+    }
+
+    @Override
+    protected DefaultAppInfo getDefaultAppInfo() {
+        try {
+            return new DefaultAppInfo(mPackageManager.getPackageManager().getApplicationInfo(
+                    mPackageManager.getDefaultBrowserPackageNameAsUser(mUserId), 0));
+        } catch (PackageManager.NameNotFoundException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Whether or not the pkg contains browser capability
+     */
+    public static boolean hasBrowserPreference(String pkg, Context context) {
+        final Intent intent = new Intent(BROWSE_PROBE);
+        intent.setPackage(pkg);
+        final List<ResolveInfo> resolveInfos =
+                context.getPackageManager().queryIntentActivities(intent, 0);
+        return resolveInfos != null && resolveInfos.size() != 0;
+    }
+
+    /**
+     * Whether or not the pkg is the default browser
+     */
+    public static boolean isBrowserDefault(String pkg, Context context) {
+        String defaultPackage = context.getPackageManager()
+                .getDefaultBrowserPackageNameAsUser(UserHandle.myUserId());
+        return defaultPackage != null && defaultPackage.equals(pkg);
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultEmergencyPicker.java b/src/com/android/settings/applications/defaultapps/DefaultEmergencyPicker.java
new file mode 100644
index 0000000..b3cf882
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultEmergencyPicker.java
@@ -0,0 +1,101 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.ContentResolver;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.provider.Settings;
+import android.text.TextUtils;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.Utils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DefaultEmergencyPicker extends DefaultAppPickerFragment {
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEFAULT_EMERGENCY_APP_PICKER;
+    }
+
+    @Override
+    protected List<DefaultAppInfo> getCandidates() {
+        final List<DefaultAppInfo> candidates = new ArrayList<>();
+        final List<ResolveInfo> infos = mPm.getPackageManager().queryIntentActivities(
+                DefaultEmergencyPreferenceController.QUERY_INTENT, 0);
+        PackageInfo bestMatch = null;
+        for (ResolveInfo info : infos) {
+            try {
+                final PackageInfo packageInfo =
+                        mPm.getPackageManager().getPackageInfo(info.activityInfo.packageName, 0);
+                final ApplicationInfo appInfo = packageInfo.applicationInfo;
+                candidates.add(new DefaultAppInfo(appInfo));
+                // Get earliest installed system app.
+                if (isSystemApp(appInfo) && (bestMatch == null ||
+                        bestMatch.firstInstallTime > packageInfo.firstInstallTime)) {
+                    bestMatch = packageInfo;
+                }
+            } catch (PackageManager.NameNotFoundException e) {
+                // Skip unknown packages.
+            }
+            if (bestMatch != null) {
+                final String defaultKey = getDefaultAppKey();
+                if (TextUtils.isEmpty(defaultKey)) {
+                    setDefaultAppKey(bestMatch.packageName);
+                }
+            }
+        }
+        return candidates;
+    }
+
+    @Override
+    protected String getConfirmationMessage(DefaultAppInfo info) {
+        return Utils.isPackageDirectBootAware(getContext(), info.getKey()) ? null
+                : getContext().getString(R.string.direct_boot_unaware_dialog_message);
+    }
+
+    @Override
+    protected String getDefaultAppKey() {
+        return Settings.Secure.getString(getContext().getContentResolver(),
+                Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String key) {
+        final ContentResolver contentResolver = getContext().getContentResolver();
+        final String previousValue = Settings.Secure.getString(contentResolver,
+                Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
+
+        if (!TextUtils.isEmpty(key) && !TextUtils.equals(key, previousValue)) {
+            Settings.Secure.putString(contentResolver,
+                    Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION,
+                    key);
+            return true;
+        }
+        return false;
+    }
+
+    private boolean isSystemApp(ApplicationInfo info) {
+        return info != null && (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultEmergencyPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultEmergencyPreferenceController.java
new file mode 100644
index 0000000..7713dbd
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultEmergencyPreferenceController.java
@@ -0,0 +1,74 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ResolveInfo;
+import android.provider.Settings;
+import android.telephony.TelephonyManager;
+
+import java.util.List;
+
+public class DefaultEmergencyPreferenceController extends DefaultAppPreferenceController {
+
+    private static final boolean DEFAULT_EMERGENCY_APP_IS_CONFIGURABLE = false;
+
+    public static final Intent QUERY_INTENT = new Intent(
+            TelephonyManager.ACTION_EMERGENCY_ASSISTANCE);
+
+    public DefaultEmergencyPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return DEFAULT_EMERGENCY_APP_IS_CONFIGURABLE
+                && isCapable()
+                && mPackageManager.getPackageManager().resolveActivity(QUERY_INTENT, 0) != null;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "default_emergency_app";
+    }
+
+    @Override
+    protected DefaultAppInfo getDefaultAppInfo() {
+        return null;
+    }
+
+    private boolean isCapable() {
+        return TelephonyManager.EMERGENCY_ASSISTANCE_ENABLED
+                && mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_voice_capable);
+    }
+
+    public static boolean hasEmergencyPreference(String pkg, Context context) {
+        Intent i = new Intent(QUERY_INTENT);
+        i.setPackage(pkg);
+        final List<ResolveInfo> resolveInfos =
+                context.getPackageManager().queryIntentActivities(i, 0);
+        return resolveInfos != null && resolveInfos.size() != 0;
+    }
+
+    public static boolean isEmergencyDefault(String pkg, Context context) {
+        String defaultPackage = Settings.Secure.getString(context.getContentResolver(),
+                Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION);
+        return defaultPackage != null && defaultPackage.equals(pkg);
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultHomePicker.java b/src/com/android/settings/applications/defaultapps/DefaultHomePicker.java
new file mode 100644
index 0000000..5e48bf1
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultHomePicker.java
@@ -0,0 +1,133 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.IntentFilter;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.UserInfo;
+import android.os.Build;
+import android.text.TextUtils;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DefaultHomePicker extends DefaultAppPickerFragment {
+
+    private String mPackageName;
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        mPackageName = context.getPackageName();
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEFAULT_HOME_PICKER;
+    }
+
+    @Override
+    protected List<DefaultAppInfo> getCandidates() {
+        final boolean mustSupportManagedProfile = hasManagedProfile();
+        final List<DefaultAppInfo> candidates = new ArrayList<>();
+        final List<ResolveInfo> homeActivities = new ArrayList<>();
+        mPm.getHomeActivities(homeActivities);
+
+        for (ResolveInfo resolveInfo : homeActivities) {
+            final ActivityInfo info = resolveInfo.activityInfo;
+            final ComponentName activityName = new ComponentName(info.packageName, info.name);
+            if (info.packageName.equals(mPackageName)) {
+                continue;
+            }
+
+            final String summary;
+            if (mustSupportManagedProfile && !launcherHasManagedProfilesFeature(resolveInfo)) {
+                summary = getContext().getString(R.string.home_work_profile_not_supported);
+            } else {
+                summary = null;
+            }
+            final DefaultAppInfo candidate = new DefaultAppInfo(mUserId, activityName, summary);
+            candidates.add(candidate);
+        }
+        return candidates;
+    }
+
+    @Override
+    protected String getDefaultAppKey() {
+        final ArrayList<ResolveInfo> homeActivities = new ArrayList<>();
+        final ComponentName currentDefaultHome = mPm.getHomeActivities(homeActivities);
+        if (currentDefaultHome != null) {
+            return currentDefaultHome.flattenToString();
+        }
+        return null;
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String key) {
+        if (!TextUtils.isEmpty(key)) {
+            final ComponentName component = ComponentName.unflattenFromString(key);
+            final List<ResolveInfo> homeActivities = new ArrayList<>();
+            mPm.getHomeActivities(homeActivities);
+            final List<ComponentName> allComponents = new ArrayList<>();
+            for (ResolveInfo info : homeActivities) {
+                final ActivityInfo appInfo = info.activityInfo;
+                ComponentName activityName = new ComponentName(appInfo.packageName, appInfo.name);
+                allComponents.add(activityName);
+            }
+            mPm.replacePreferredActivity(
+                    DefaultHomePreferenceController.HOME_FILTER,
+                    IntentFilter.MATCH_CATEGORY_EMPTY,
+                    allComponents.toArray(new ComponentName[0]),
+                    component);
+            return true;
+        }
+        return false;
+    }
+
+    private boolean hasManagedProfile() {
+        final Context context = getContext();
+        List<UserInfo> profiles = mUserManager.getProfiles(context.getUserId());
+        for (UserInfo userInfo : profiles) {
+            if (userInfo.isManagedProfile()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private boolean launcherHasManagedProfilesFeature(ResolveInfo resolveInfo) {
+        try {
+            ApplicationInfo appInfo = mPm.getPackageManager().getApplicationInfo(
+                    resolveInfo.activityInfo.packageName, 0 /* default flags */);
+            return versionNumberAtLeastL(appInfo.targetSdkVersion);
+        } catch (PackageManager.NameNotFoundException e) {
+            return false;
+        }
+    }
+
+    private boolean versionNumberAtLeastL(int versionNumber) {
+        return versionNumber >= Build.VERSION_CODES.LOLLIPOP;
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceController.java
new file mode 100644
index 0000000..055c23b
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceController.java
@@ -0,0 +1,117 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.support.v7.preference.Preference;
+import android.text.TextUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DefaultHomePreferenceController extends DefaultAppPreferenceController {
+
+    static final IntentFilter HOME_FILTER;
+
+    private final String mPackageName;
+
+    static {
+        HOME_FILTER = new IntentFilter(Intent.ACTION_MAIN);
+        HOME_FILTER.addCategory(Intent.CATEGORY_HOME);
+        HOME_FILTER.addCategory(Intent.CATEGORY_DEFAULT);
+    }
+
+    public DefaultHomePreferenceController(Context context) {
+        super(context);
+        mPackageName = mContext.getPackageName();
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "default_home";
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        final DefaultAppInfo defaultApp = getDefaultAppInfo();
+        final CharSequence defaultAppLabel = defaultApp != null
+                ? defaultApp.loadLabel(mPackageManager.getPackageManager()) : null;
+        if (TextUtils.isEmpty(defaultAppLabel)) {
+            final String onlyAppLabel = getOnlyAppLabel();
+            if (!TextUtils.isEmpty(onlyAppLabel)) {
+                preference.setSummary(onlyAppLabel);
+            }
+        }
+    }
+
+    @Override
+    protected DefaultAppInfo getDefaultAppInfo() {
+        final ArrayList<ResolveInfo> homeActivities = new ArrayList<>();
+        final ComponentName currentDefaultHome = mPackageManager.getHomeActivities(homeActivities);
+
+        return new DefaultAppInfo(mUserId, currentDefaultHome, null /* summary */);
+    }
+
+    private String getOnlyAppLabel() {
+        final List<ResolveInfo> homeActivities = new ArrayList<>();
+        final List<ActivityInfo> appLabels = new ArrayList<>();
+
+        mPackageManager.getHomeActivities(homeActivities);
+        for (ResolveInfo candidate : homeActivities) {
+            final ActivityInfo info = candidate.activityInfo;
+            if (info.packageName.equals(mPackageName)) {
+                continue;
+            }
+            appLabels.add(info);
+        }
+        return appLabels.size() == 1
+                ? appLabels.get(0).loadLabel(mPackageManager.getPackageManager()).toString()
+                : null;
+    }
+
+    public static boolean hasHomePreference(String pkg, Context context) {
+        ArrayList<ResolveInfo> homeActivities = new ArrayList<>();
+        PackageManager pm = context.getPackageManager();
+        pm.getHomeActivities(homeActivities);
+        for (int i = 0; i < homeActivities.size(); i++) {
+            if (homeActivities.get(i).activityInfo.packageName.equals(pkg)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean isHomeDefault(String pkg, Context context) {
+        ArrayList<ResolveInfo> homeActivities = new ArrayList<>();
+        PackageManager pm = context.getPackageManager();
+        ComponentName def = pm.getHomeActivities(homeActivities);
+
+        return def != null && def.getPackageName().equals(pkg);
+    }
+}
diff --git a/src/com/android/settings/applications/DefaultNotificationAssistantPreference.java b/src/com/android/settings/applications/defaultapps/DefaultNotificationAssistantPicker.java
similarity index 62%
rename from src/com/android/settings/applications/DefaultNotificationAssistantPreference.java
rename to src/com/android/settings/applications/defaultapps/DefaultNotificationAssistantPicker.java
index 91fc0c8..af67917 100644
--- a/src/com/android/settings/applications/DefaultNotificationAssistantPreference.java
+++ b/src/com/android/settings/applications/defaultapps/DefaultNotificationAssistantPicker.java
@@ -1,5 +1,5 @@
-/**
- * Copyright (C) 2016 The Android Open Source Project
+/*
+ * 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.
@@ -14,65 +14,48 @@
  * limitations under the License.
  */
 
-package com.android.settings.applications;
-
-import com.android.settings.AppListPreference;
+package com.android.settings.applications.defaultapps;
 
 import android.app.ActivityManager;
 import android.content.ComponentName;
-import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.pm.ServiceInfo;
 import android.provider.Settings;
 import android.service.notification.NotificationAssistantService;
-import android.util.AttributeSet;
 import android.util.Slog;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import com.android.settings.R;
 import com.android.settings.utils.ManagedServiceSettings;
 
-public class DefaultNotificationAssistantPreference extends AppListPreference {
+import java.util.ArrayList;
+import java.util.List;
+
+public class DefaultNotificationAssistantPicker extends DefaultAppPickerFragment {
     private static final String TAG = "DefaultNotiAssist";
 
-    private PackageManager mPm;
-    private final ManagedServiceSettings.Config mConfig;
-    private final Context mContext;
+    private final ManagedServiceSettings.Config mConfig = getConfig();
 
-    public DefaultNotificationAssistantPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-
-        mContext = context;
-        mPm = context.getPackageManager();
-        mConfig = getConfig();
-        setShowItemNone(true);
-        updateList(getServices());
+    @Override
+    public int getMetricsCategory() {
+        return 0;
     }
 
     @Override
-    protected boolean persistString(String value) {
-        Settings.Secure.putString(mContext.getContentResolver(), mConfig.setting, value);
-        setSummary(getEntry());
+    protected String getDefaultAppKey() {
+        return Settings.Secure.getString(getContext().getContentResolver(), mConfig.setting);
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String value) {
+        Settings.Secure.putString(getContext().getContentResolver(), mConfig.setting, value);
         return true;
     }
 
-    private void updateList(List<ServiceInfo> services) {
-        final ComponentName[] assistants = new ComponentName[services.size()];
-        for (int i = 0; i < services.size(); i++) {
-            assistants[i] = new ComponentName(services.get(i).packageName, services.get(i).name);
-        }
-        final String assistant =
-                Settings.Secure.getString(mContext.getContentResolver(), mConfig.setting);
-        setComponentNames(assistants, assistant == null ? null
-                : ComponentName.unflattenFromString(assistant));
-    }
-
-    private List<ServiceInfo> getServices() {
-        List<ServiceInfo> services = new ArrayList<>();
+    @Override
+    protected List<DefaultAppInfo> getCandidates() {
+        List<DefaultAppInfo> candidates = new ArrayList<>();
         final int user = ActivityManager.getCurrentUser();
 
         List<ResolveInfo> installedServices = mPm.queryIntentServicesAsUser(
@@ -91,9 +74,16 @@
                         + mConfig.permission);
                 continue;
             }
-            services.add(info);
+
+            candidates.add(new DefaultAppInfo(
+                    mUserId, new ComponentName(info.packageName, info.name), null /* summary */));
         }
-        return services;
+        return candidates;
+    }
+
+    @Override
+    protected boolean shouldShowItemNone() {
+        return true;
     }
 
     private ManagedServiceSettings.Config getConfig() {
@@ -108,4 +98,4 @@
         c.emptyText = R.string.no_notification_listeners;
         return c;
     }
-}
\ No newline at end of file
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultPhonePicker.java b/src/com/android/settings/applications/defaultapps/DefaultPhonePicker.java
new file mode 100644
index 0000000..0fa9390
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultPhonePicker.java
@@ -0,0 +1,102 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.telecom.DefaultDialerManager;
+import android.telecom.TelecomManager;
+import android.text.TextUtils;
+
+import com.android.internal.logging.nano.MetricsProto;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DefaultPhonePicker extends DefaultAppPickerFragment {
+
+    private DefaultKeyUpdater mDefaultKeyUpdater;
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEFAULT_PHONE_PICKER;
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        mDefaultKeyUpdater = new DefaultKeyUpdater(
+                (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE));
+    }
+
+    @Override
+    protected List<DefaultAppInfo> getCandidates() {
+        final List<DefaultAppInfo> candidates = new ArrayList<>();
+        final List<String> dialerPackages =
+                DefaultDialerManager.getInstalledDialerApplications(getContext(), mUserId);
+        for (String packageName : dialerPackages) {
+            try {
+                candidates.add(new DefaultAppInfo(
+                        mPm.getApplicationInfoAsUser(packageName, 0, mUserId)));
+            } catch (PackageManager.NameNotFoundException e) {
+                // Skip unknown packages.
+            }
+        }
+        return candidates;
+    }
+
+    @Override
+    protected String getDefaultAppKey() {
+        return mDefaultKeyUpdater.getDefaultDialerApplication(getContext(), mUserId);
+    }
+
+    @Override
+    protected String getSystemDefaultAppKey() {
+        return mDefaultKeyUpdater.getSystemDialerPackage();
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String key) {
+        if (!TextUtils.isEmpty(key) && !TextUtils.equals(key, getDefaultAppKey())) {
+            return mDefaultKeyUpdater.setDefaultDialerApplication(getContext(), key, mUserId);
+        }
+        return false;
+    }
+
+    /**
+     * Wrapper class to handle default phone app update.
+     */
+    static class DefaultKeyUpdater {
+        private final TelecomManager mTelecomManager;
+
+        public DefaultKeyUpdater(TelecomManager telecomManager) {
+            mTelecomManager = telecomManager;
+        }
+
+        public String getSystemDialerPackage() {
+            return mTelecomManager.getSystemDialerPackage();
+        }
+
+        public String getDefaultDialerApplication(Context context, int uid) {
+            return DefaultDialerManager.getDefaultDialerApplication(context, uid);
+        }
+
+        public boolean setDefaultDialerApplication(Context context, String key, int uid) {
+            return DefaultDialerManager.setDefaultDialerApplication(context, key, uid);
+        }
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultPhonePreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultPhonePreferenceController.java
new file mode 100644
index 0000000..fa0d28f
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultPhonePreferenceController.java
@@ -0,0 +1,74 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.telecom.DefaultDialerManager;
+import android.telephony.TelephonyManager;
+
+import java.util.List;
+
+public class DefaultPhonePreferenceController extends DefaultAppPreferenceController {
+
+    public DefaultPhonePreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        final TelephonyManager tm =
+                (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
+        if (!tm.isVoiceCapable()) {
+            return false;
+        }
+        final UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
+        final boolean hasUserRestriction =
+                um.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS);
+
+        return !hasUserRestriction;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "default_phone_app";
+    }
+
+    @Override
+    protected DefaultAppInfo getDefaultAppInfo() {
+        try {
+            return new DefaultAppInfo(mPackageManager.getPackageManager().getApplicationInfo(
+                    DefaultDialerManager.getDefaultDialerApplication(mContext, mUserId), 0));
+        } catch (PackageManager.NameNotFoundException e) {
+            return null;
+        }
+    }
+
+    public static boolean hasPhonePreference(String pkg, Context context) {
+        List<String> dialerPackages =
+                DefaultDialerManager.getInstalledDialerApplications(context, UserHandle.myUserId());
+        return dialerPackages.contains(pkg);
+    }
+
+    public static boolean isPhoneDefault(String pkg, Context context) {
+        String def = DefaultDialerManager.getDefaultDialerApplication(context,
+                UserHandle.myUserId());
+        return def != null && def.equals(pkg);
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultSmsPicker.java b/src/com/android/settings/applications/defaultapps/DefaultSmsPicker.java
new file mode 100644
index 0000000..31bb6f6
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultSmsPicker.java
@@ -0,0 +1,97 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.text.TextUtils;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.internal.telephony.SmsApplication;
+import com.android.settings.R;
+import com.android.settings.Utils;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public class DefaultSmsPicker extends DefaultAppPickerFragment {
+
+    private DefaultKeyUpdater mDefaultKeyUpdater = new DefaultKeyUpdater();
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEFAULT_SMS_PICKER;
+    }
+
+    @Override
+    protected List<DefaultAppInfo> getCandidates() {
+        final Collection<SmsApplication.SmsApplicationData> smsApplications =
+                SmsApplication.getApplicationCollection(getContext());
+        final List<DefaultAppInfo> candidates = new ArrayList<>(smsApplications.size());
+
+        for (SmsApplication.SmsApplicationData smsApplicationData : smsApplications) {
+            try {
+                candidates.add(new DefaultAppInfo(
+                        mPm.getApplicationInfoAsUser(smsApplicationData.mPackageName, 0, mUserId)));
+            } catch (PackageManager.NameNotFoundException e) {
+                // Skip unknown packages.
+            }
+        }
+
+        return candidates;
+    }
+
+    @Override
+    protected String getDefaultAppKey() {
+        return mDefaultKeyUpdater.getDefaultApplication(getContext());
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String key) {
+        if (!TextUtils.isEmpty(key) && !TextUtils.equals(key, getDefaultAppKey())) {
+            mDefaultKeyUpdater.setDefaultApplication(getContext(), key);
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    protected String getConfirmationMessage(DefaultAppInfo info) {
+        return Utils.isPackageDirectBootAware(getContext(), info.getKey()) ? null
+                : getContext().getString(R.string.direct_boot_unaware_dialog_message);
+    }
+
+    /**
+     * Wrapper class to handle default phone app update.
+     */
+    static class DefaultKeyUpdater {
+
+        public String getDefaultApplication(Context context) {
+            final ComponentName appName = SmsApplication.getDefaultSmsApplication(context, true);
+            if (appName != null) {
+                return appName.getPackageName();
+            }
+            return null;
+        }
+
+        public void setDefaultApplication(Context context, String key) {
+            SmsApplication.setDefaultApplication(key, context);
+        }
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultSmsPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultSmsPreferenceController.java
new file mode 100644
index 0000000..90b9d83
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultSmsPreferenceController.java
@@ -0,0 +1,70 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.telephony.TelephonyManager;
+
+import com.android.internal.telephony.SmsApplication;
+
+import java.util.Collection;
+
+public class DefaultSmsPreferenceController extends DefaultAppPreferenceController {
+
+    public DefaultSmsPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public boolean isAvailable() {
+        boolean isRestrictedUser = mUserManager.getUserInfo(mUserId).isRestricted();
+        TelephonyManager tm =
+                (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
+        return !isRestrictedUser && tm.isSmsCapable();
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "default_sms_app";
+    }
+
+    @Override
+    protected DefaultAppInfo getDefaultAppInfo() {
+        final ComponentName app = SmsApplication.getDefaultSmsApplication(mContext, true);
+        if (app != null) {
+            return new DefaultAppInfo(mUserId, app, null /* summary */);
+        }
+        return null;
+    }
+
+    public static boolean hasSmsPreference(String pkg, Context context) {
+        Collection<SmsApplication.SmsApplicationData> smsApplications =
+                SmsApplication.getApplicationCollection(context);
+        for (SmsApplication.SmsApplicationData data : smsApplications) {
+            if (data.mPackageName.equals(pkg)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static boolean isSmsDefault(String pkg, Context context) {
+        ComponentName appName = SmsApplication.getDefaultSmsApplication(context, true);
+        return appName != null && appName.getPackageName().equals(pkg);
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultWorkBrowserPreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultWorkBrowserPreferenceController.java
new file mode 100644
index 0000000..0cee3c5
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultWorkBrowserPreferenceController.java
@@ -0,0 +1,43 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.Context;
+import android.os.UserHandle;
+
+import com.android.settings.Utils;
+
+public class DefaultWorkBrowserPreferenceController extends DefaultBrowserPreferenceController {
+
+    public DefaultWorkBrowserPreferenceController(Context context) {
+        super(context);
+        final UserHandle managedProfile = Utils.getManagedProfile(mUserManager);
+        if (managedProfile != null) {
+            mUserId = managedProfile.getIdentifier();
+        }
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return Utils.getManagedProfile(mUserManager) != null;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "work_default_browser";
+    }
+}
diff --git a/src/com/android/settings/applications/defaultapps/DefaultWorkPhonePreferenceController.java b/src/com/android/settings/applications/defaultapps/DefaultWorkPhonePreferenceController.java
new file mode 100644
index 0000000..f793fa3
--- /dev/null
+++ b/src/com/android/settings/applications/defaultapps/DefaultWorkPhonePreferenceController.java
@@ -0,0 +1,31 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.content.Context;
+
+public class DefaultWorkPhonePreferenceController extends DefaultPhonePreferenceController {
+
+    public DefaultWorkPhonePreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "work_default_phone_app";
+    }
+}
diff --git a/src/com/android/settings/bluetooth/BluetoothDevicePreference.java b/src/com/android/settings/bluetooth/BluetoothDevicePreference.java
index b956aa5..3fc0abf 100644
--- a/src/com/android/settings/bluetooth/BluetoothDevicePreference.java
+++ b/src/com/android/settings/bluetooth/BluetoothDevicePreference.java
@@ -284,12 +284,12 @@
             }
         }
         if (btClass != null) {
-            if (btClass.doesClassMatch(BluetoothClass.PROFILE_A2DP)) {
-                return new Pair<Integer, String>(R.drawable.ic_bt_headphones_a2dp, HEADPHONE);
-            }
-            if (btClass.doesClassMatch(BluetoothClass.PROFILE_HEADSET)) {
+          if (btClass.doesClassMatch(BluetoothClass.PROFILE_HEADSET)) {
                 return new Pair<Integer, String>(R.drawable.ic_bt_headset_hfp, HEADSET);
             }
+          if (btClass.doesClassMatch(BluetoothClass.PROFILE_A2DP)) {
+                return new Pair<Integer, String>(R.drawable.ic_bt_headphones_a2dp, HEADPHONE);
+            }
         }
         return new Pair<Integer, String>(R.drawable.ic_settings_bluetooth, BLUETOOTH);
     }
diff --git a/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java b/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
index fe0e1d2..481a0eb 100644
--- a/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
+++ b/src/com/android/settings/connecteddevice/ConnectedDeviceDashboardFragment.java
@@ -30,7 +30,6 @@
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
-import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -48,11 +47,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_DEVICE;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
@@ -73,8 +67,7 @@
         mUsbPrefController = new UsbModePreferenceController(context, new UsbBackend(context));
         lifecycle.addObserver(mUsbPrefController);
         controllers.add(mUsbPrefController);
-        mBluetoothPreferenceController =
-            new BluetoothMasterSwitchPreferenceController(
+        mBluetoothPreferenceController = new BluetoothMasterSwitchPreferenceController(
                 context, Utils.getLocalBtManager(context));
         lifecycle.addObserver(mBluetoothPreferenceController);
         controllers.add(mBluetoothPreferenceController);
diff --git a/src/com/android/settings/core/InstrumentedPreferenceFragment.java b/src/com/android/settings/core/InstrumentedPreferenceFragment.java
index 29ba287..ce0daa9 100644
--- a/src/com/android/settings/core/InstrumentedPreferenceFragment.java
+++ b/src/com/android/settings/core/InstrumentedPreferenceFragment.java
@@ -76,4 +76,8 @@
         mDividerDecoration.setDivider(divider);
         super.setDivider(new ColorDrawable(Color.TRANSPARENT));
     }
+
+    protected final Context getPrefContext() {
+        return getPreferenceManager().getContext();
+    }
 }
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 682fa36..51a990e 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -57,6 +57,7 @@
 import com.android.settings.applications.ManageAssist;
 import com.android.settings.applications.ManageDomainUrls;
 import com.android.settings.applications.NotificationApps;
+import com.android.settings.applications.PictureInPictureSettings;
 import com.android.settings.applications.ProcessStatsSummary;
 import com.android.settings.applications.ProcessStatsUi;
 import com.android.settings.applications.UsageAccessDetails;
@@ -100,6 +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;
@@ -208,6 +210,7 @@
             InstalledAppDetails.class.getName(),
             BatterySaverSettings.class.getName(),
             AppNotificationSettings.class.getName(),
+            ChannelNotificationSettings.class.getName(),
             OtherSoundSettings.class.getName(),
             ApnSettings.class.getName(),
             ApnEditor.class.getName(),
@@ -225,6 +228,7 @@
             AdvancedAppSettings.class.getName(),
             WallpaperTypeSettings.class.getName(),
             VrListenerSettings.class.getName(),
+            PictureInPictureSettings.class.getName(),
             ManagedProfileSettings.class.getName(),
             ChooseAccountActivity.class.getName(),
             IccLockSettings.class.getName(),
@@ -302,5 +306,6 @@
             "com.android.settings.DateTimeDashboardAlias",
             "com.android.settings.AccessibilityDashboardAlias",
             "com.android.settings.AboutDeviceDashboardAlias",
+            "com.android.settings.EnterprisePrivacyDashboardAlias",
     };
 }
diff --git a/src/com/android/settings/dashboard/DashboardFragment.java b/src/com/android/settings/dashboard/DashboardFragment.java
index de86bd5..f8a27e0 100644
--- a/src/com/android/settings/dashboard/DashboardFragment.java
+++ b/src/com/android/settings/dashboard/DashboardFragment.java
@@ -194,7 +194,10 @@
     /**
      * Returns the CategoryKey for loading {@link DashboardCategory} for this fragment.
      */
-    protected abstract String getCategoryKey();
+    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+    public String getCategoryKey() {
+        return DashboardFragmentRegistry.PARENT_TO_CATEGORY_KEY_MAP.get(getClass().getName());
+    }
 
     /**
      * Get the tag string for logging.
@@ -302,9 +305,9 @@
         final Context context = getContext();
         mSummaryLoader = new SummaryLoader(getActivity(), getCategoryKey());
         mSummaryLoader.setSummaryConsumer(this);
-        final TypedArray a = context.obtainStyledAttributes(new int[] {
-            mDashboardFeatureProvider.isEnabled() ? android.R.attr.colorControlNormal
-                : android.R.attr.colorAccent});
+        final TypedArray a = context.obtainStyledAttributes(new int[]{
+                mDashboardFeatureProvider.isEnabled() ? android.R.attr.colorControlNormal
+                        : android.R.attr.colorAccent});
         final int tintColor = a.getColor(0, context.getColor(android.R.color.white));
         a.recycle();
         final String pkgName = context.getPackageName();
@@ -319,7 +322,7 @@
                 continue;
             }
             if (pkgName != null && tile.intent != null
-                && !pkgName.equals(tile.intent.getComponent().getPackageName())) {
+                    && !pkgName.equals(tile.intent.getComponent().getPackageName())) {
                 // If this drawable is coming from outside Settings, tint it to match the color.
                 tile.icon.setTint(tintColor);
             }
diff --git a/src/com/android/settings/dashboard/DashboardFragmentRegistry.java b/src/com/android/settings/dashboard/DashboardFragmentRegistry.java
new file mode 100644
index 0000000..a315836
--- /dev/null
+++ b/src/com/android/settings/dashboard/DashboardFragmentRegistry.java
@@ -0,0 +1,99 @@
+/*
+ * 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.dashboard;
+
+import android.util.ArrayMap;
+
+import com.android.settings.DevelopmentSettings;
+import com.android.settings.DisplaySettings;
+import com.android.settings.SecuritySettings;
+import com.android.settings.accounts.AccountDetailDashboardFragment;
+import com.android.settings.accounts.UserAndAccountDashboardFragment;
+import com.android.settings.applications.AdvancedAppSettings;
+import com.android.settings.applications.AppAndNotificationDashboardFragment;
+import com.android.settings.connecteddevice.ConnectedDeviceDashboardFragment;
+import com.android.settings.deviceinfo.StorageDashboardFragment;
+import com.android.settings.fuelgauge.PowerUsageSummary;
+import com.android.settings.inputmethod.InputAndGestureSettings;
+import com.android.settings.inputmethod.InputMethodAndLanguageSettings;
+import com.android.settings.language.LanguageAndRegionSettings;
+import com.android.settings.network.NetworkDashboardFragment;
+import com.android.settings.notification.SoundSettings;
+import com.android.settings.system.SystemDashboardFragment;
+import com.android.settingslib.drawer.CategoryKey;
+
+import java.util.Map;
+
+/**
+ * A registry to keep track of which page hosts which category.
+ */
+public class DashboardFragmentRegistry {
+
+    /**
+     * Map from parent fragment to category key. The parent fragment hosts child with
+     * category_key.
+     */
+    public static final Map<String, String> PARENT_TO_CATEGORY_KEY_MAP;
+
+    /**
+     * Map from category_key to parent. This is a helper to look up which fragment hosts the
+     * category_key.
+     */
+    public static final Map<String, String> CATEGORY_KEY_TO_PARENT_MAP;
+
+    static {
+        PARENT_TO_CATEGORY_KEY_MAP = new ArrayMap<>();
+        PARENT_TO_CATEGORY_KEY_MAP.put(
+                NetworkDashboardFragment.class.getName(), CategoryKey.CATEGORY_NETWORK);
+        PARENT_TO_CATEGORY_KEY_MAP.put(ConnectedDeviceDashboardFragment.class.getName(),
+                CategoryKey.CATEGORY_DEVICE);
+        PARENT_TO_CATEGORY_KEY_MAP.put(AppAndNotificationDashboardFragment.class.getName(),
+                CategoryKey.CATEGORY_APPS);
+        PARENT_TO_CATEGORY_KEY_MAP.put(PowerUsageSummary.class.getName(),
+                CategoryKey.CATEGORY_BATTERY);
+        PARENT_TO_CATEGORY_KEY_MAP.put(AdvancedAppSettings.class.getName(),
+                CategoryKey.CATEGORY_APPS_DEFAULT);
+        PARENT_TO_CATEGORY_KEY_MAP.put(DisplaySettings.class.getName(),
+                CategoryKey.CATEGORY_DISPLAY);
+        PARENT_TO_CATEGORY_KEY_MAP.put(SoundSettings.class.getName(),
+                CategoryKey.CATEGORY_SOUND);
+        PARENT_TO_CATEGORY_KEY_MAP.put(StorageDashboardFragment.class.getName(),
+                CategoryKey.CATEGORY_STORAGE);
+        PARENT_TO_CATEGORY_KEY_MAP.put(SecuritySettings.class.getName(),
+                CategoryKey.CATEGORY_SECURITY);
+        PARENT_TO_CATEGORY_KEY_MAP.put(AccountDetailDashboardFragment.class.getName(),
+                CategoryKey.CATEGORY_ACCOUNT);
+        PARENT_TO_CATEGORY_KEY_MAP.put(UserAndAccountDashboardFragment.class.getName(),
+                CategoryKey.CATEGORY_ACCOUNT);
+        PARENT_TO_CATEGORY_KEY_MAP.put(
+                SystemDashboardFragment.class.getName(), CategoryKey.CATEGORY_SYSTEM);
+        PARENT_TO_CATEGORY_KEY_MAP.put(
+                InputAndGestureSettings.class.getName(), CategoryKey.CATEGORY_SYSTEM_INPUT);
+        PARENT_TO_CATEGORY_KEY_MAP.put(InputMethodAndLanguageSettings.class.getName(),
+                CategoryKey.CATEGORY_SYSTEM_LANGUAGE);
+        PARENT_TO_CATEGORY_KEY_MAP.put(LanguageAndRegionSettings.class.getName(),
+                CategoryKey.CATEGORY_SYSTEM_LANGUAGE);
+        PARENT_TO_CATEGORY_KEY_MAP.put(DevelopmentSettings.class.getName(),
+                CategoryKey.CATEGORY_SYSTEM_DEVELOPMENT);
+
+        CATEGORY_KEY_TO_PARENT_MAP = new ArrayMap<>(PARENT_TO_CATEGORY_KEY_MAP.size());
+
+        for (Map.Entry<String, String> parentToKey : PARENT_TO_CATEGORY_KEY_MAP.entrySet()) {
+            CATEGORY_KEY_TO_PARENT_MAP.put(parentToKey.getValue(), parentToKey.getKey());
+        }
+    }
+}
diff --git a/src/com/android/settings/dashboard/SiteMapManager.java b/src/com/android/settings/dashboard/SiteMapManager.java
new file mode 100644
index 0000000..3144398
--- /dev/null
+++ b/src/com/android/settings/dashboard/SiteMapManager.java
@@ -0,0 +1,212 @@
+/*
+ * 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.dashboard;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.support.annotation.VisibleForTesting;
+import android.support.annotation.WorkerThread;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.android.settings.SettingsActivity;
+import com.android.settings.overlay.FeatureFactory;
+import com.android.settings.search.IndexDatabaseHelper;
+import com.android.settings.search.IndexDatabaseHelper.IndexColumns;
+import com.android.settings.search.IndexDatabaseHelper.SiteMapColumns;
+import com.android.settingslib.drawer.DashboardCategory;
+import com.android.settingslib.drawer.Tile;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static com.android.settings.dashboard.DashboardFragmentRegistry.CATEGORY_KEY_TO_PARENT_MAP;
+
+/**
+ * A manager class that maintains a "site map" and look up breadcrumb for a certain page on demand.
+ * <p/>
+ * The methods on this class can only be called on a background thread.
+ */
+public class SiteMapManager {
+
+    private static final String TAG = "SiteMapManager";
+    private static final boolean DEBUG_TIMING = false;
+
+    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+    public static final String[] SITE_MAP_COLUMNS = {
+            SiteMapColumns.PARENT_CLASS,
+            SiteMapColumns.PARENT_TITLE,
+            SiteMapColumns.CHILD_CLASS,
+            SiteMapColumns.CHILD_TITLE
+    };
+
+    private static final String[] CLASS_TO_SCREEN_TITLE_COLUMNS = {
+            IndexColumns.CLASS_NAME,
+            IndexColumns.SCREEN_TITLE,
+    };
+
+    private final List<SiteMapPair> mPairs = new ArrayList<>();
+
+    private boolean mInitialized;
+
+    /**
+     * Given a fragment class name and its screen title, build a breadcrumb from Settings root to
+     * this screen.
+     * <p/>
+     * Not all screens have a full breadcrumb path leading up to root, it's because either some
+     * page in the breadcrumb path is not indexed, or it's only reachable via search.
+     */
+    @WorkerThread
+    public synchronized List<String> buildBreadCrumb(Context context, String clazz,
+            String screenTitle) {
+        init(context);
+        final long startTime = System.currentTimeMillis();
+        final List<String> breadcrumbs = new ArrayList<>();
+        if (!mInitialized) {
+            Log.w(TAG, "SiteMap is not initialized yet, skipping");
+            return breadcrumbs;
+        }
+        breadcrumbs.add(screenTitle);
+        String currentClass = clazz;
+        String currentTitle = screenTitle;
+        // Look up current page's parent, if found add it to breadcrumb string list, and repeat.
+        while (true) {
+            final SiteMapPair pair = lookUpParent(currentClass, currentTitle);
+            if (pair == null) {
+                if (DEBUG_TIMING) {
+                    Log.d(TAG, "BreadCrumb timing: " + (System.currentTimeMillis() - startTime));
+                }
+                return breadcrumbs;
+            }
+            breadcrumbs.add(0, pair.parentTitle);
+            currentClass = pair.parentClass;
+            currentTitle = pair.parentTitle;
+        }
+    }
+
+    /**
+     * Initialize a list of {@link SiteMapPair}s. Each pair knows about a single parent-child
+     * page relationship.
+     *
+     * We get the knowledge of such mPairs from 2 sources:
+     * 1. Static indexing time: we know which page(s) a parent can open by parsing its pref xml.
+     * 2. IA: We know from {@link DashboardFeatureProvider} which page can be dynamically
+     * injected to where.
+     */
+    @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
+    @WorkerThread
+    synchronized void init(Context context) {
+        if (mInitialized) {
+            // Make sure only init once.
+            return;
+        }
+        final long startTime = System.currentTimeMillis();
+        // First load site map from static index table.
+        final Context appContext = context.getApplicationContext();
+        final SQLiteDatabase db = IndexDatabaseHelper.getInstance(appContext).getReadableDatabase();
+        Cursor sitemap = db.query(IndexDatabaseHelper.Tables.TABLE_SITE_MAP, SITE_MAP_COLUMNS, null,
+                null, null, null, null);
+        while (sitemap.moveToNext()) {
+            final SiteMapPair pair = new SiteMapPair(
+                    sitemap.getString(sitemap.getColumnIndex(SiteMapColumns.PARENT_CLASS)),
+                    sitemap.getString(sitemap.getColumnIndex(SiteMapColumns.PARENT_TITLE)),
+                    sitemap.getString(sitemap.getColumnIndex(SiteMapColumns.CHILD_CLASS)),
+                    sitemap.getString(sitemap.getColumnIndex(SiteMapColumns.CHILD_TITLE)));
+            mPairs.add(pair);
+        }
+        sitemap.close();
+
+        // Then prepare a local map that contains class name -> screen title mapping. This is needed
+        // to figure out the display name for any fragment if it's injected dynamically through IA.
+        final Map<String, String> classToTitleMap = new HashMap<>();
+        final Cursor titleQuery = db.query(IndexDatabaseHelper.Tables.TABLE_PREFS_INDEX,
+                CLASS_TO_SCREEN_TITLE_COLUMNS, null, null, null, null, null);
+        while (titleQuery.moveToNext()) {
+            classToTitleMap.put(
+                    titleQuery.getString(titleQuery.getColumnIndex(IndexColumns.CLASS_NAME)),
+                    titleQuery.getString(titleQuery.getColumnIndex(IndexColumns.SCREEN_TITLE)));
+        }
+        titleQuery.close();
+
+        // Loop through all IA categories and pages and build additional SiteMapPairs
+        List<DashboardCategory> categories = FeatureFactory.getFactory(context)
+                .getDashboardFeatureProvider(context).getAllCategories();
+
+        for (DashboardCategory category : categories) {
+            // Find the category key first.
+            final String parentClass = CATEGORY_KEY_TO_PARENT_MAP.get(category.key);
+            if (parentClass == null) {
+                continue;
+            }
+            // Use the key to look up parent (which page hosts this key)
+            final String parentName = classToTitleMap.get(parentClass);
+            if (parentName == null) {
+                continue;
+            }
+            // Build parent-child mPairs for all children listed under this key.
+            for (Tile tile : category.tiles) {
+                final String childTitle = tile.title.toString();
+                String childClass = null;
+                if (tile.metaData != null) {
+                    childClass = tile.metaData.getString(
+                            SettingsActivity.META_DATA_KEY_FRAGMENT_CLASS);
+                }
+                if (childClass == null) {
+                    continue;
+                }
+                mPairs.add(new SiteMapPair(parentClass, parentName, childClass, childTitle));
+            }
+        }
+        // Done.
+        mInitialized = true;
+        if (DEBUG_TIMING) {
+            Log.d(TAG, "Init timing: " + (System.currentTimeMillis() - startTime));
+        }
+    }
+
+    @WorkerThread
+    private SiteMapPair lookUpParent(String clazz, String title) {
+        for (SiteMapPair pair : mPairs) {
+            if (TextUtils.equals(pair.childClass, clazz)
+                    && TextUtils.equals(title, pair.childTitle)) {
+                return pair;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Data model for a parent-child page pair.
+     */
+    private static class SiteMapPair {
+        public final String parentClass;
+        public final String parentTitle;
+        public final String childClass;
+        public final String childTitle;
+
+        public SiteMapPair(String parentClass, String parentTitle, String childClass,
+                String childTitle) {
+            this.parentClass = parentClass;
+            this.parentTitle = parentTitle;
+            this.childClass = childClass;
+            this.childTitle = childTitle;
+        }
+    }
+}
diff --git a/src/com/android/settings/dashboard/SuggestionFeatureProvider.java b/src/com/android/settings/dashboard/SuggestionFeatureProvider.java
index 769c6e8..b20edee 100644
--- a/src/com/android/settings/dashboard/SuggestionFeatureProvider.java
+++ b/src/com/android/settings/dashboard/SuggestionFeatureProvider.java
@@ -32,4 +32,4 @@
     /** Return true if the suggestion has already been completed and does not need to be shown */
     boolean isSuggestionCompleted(Context context);
 
-}
\ No newline at end of file
+}
diff --git a/src/com/android/settings/datausage/BillingCycleSettings.java b/src/com/android/settings/datausage/BillingCycleSettings.java
index 9b39840..dda984b 100644
--- a/src/com/android/settings/datausage/BillingCycleSettings.java
+++ b/src/com/android/settings/datausage/BillingCycleSettings.java
@@ -44,14 +44,16 @@
 
 import static android.net.NetworkPolicy.LIMIT_DISABLED;
 import static android.net.NetworkPolicy.WARNING_DISABLED;
-import static android.net.TrafficStats.GB_IN_BYTES;
-import static android.net.TrafficStats.MB_IN_BYTES;
 
 public class BillingCycleSettings extends DataUsageBase implements
         Preference.OnPreferenceChangeListener, DataUsageEditController {
 
     private static final String TAG = "BillingCycleSettings";
     private static final boolean LOGD = false;
+    public static final long KB_IN_BYTES = 1000;
+    public static final long MB_IN_BYTES = KB_IN_BYTES * 1000;
+    public static final long GB_IN_BYTES = MB_IN_BYTES * 1000;
+
     private static final long MAX_DATA_LIMIT_BYTES = 50000 * GB_IN_BYTES;
 
     private static final String TAG_CONFIRM_LIMIT = "confirmLimit";
diff --git a/src/com/android/settings/deviceinfo/StorageDashboardFragment.java b/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
index d05d088..59f9a84 100644
--- a/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
+++ b/src/com/android/settings/deviceinfo/StorageDashboardFragment.java
@@ -21,9 +21,6 @@
 import android.os.storage.StorageManager;
 import android.os.storage.VolumeInfo;
 import android.provider.SearchIndexableResource;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.settings.R;
@@ -62,7 +59,8 @@
 
         // Initialize the storage sizes that we can quickly calc.
         StorageManager sm = context.getSystemService(StorageManager.class);
-        String volumeId = getArguments().getString(VolumeInfo.EXTRA_VOLUME_ID);
+        String volumeId = getArguments().getString(VolumeInfo.EXTRA_VOLUME_ID,
+                VolumeInfo.ID_PRIVATE_INTERNAL);
         mVolume = sm.findVolumeById(volumeId);
         if (!isVolumeValid()) {
             getActivity().finish();
@@ -103,11 +101,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_STORAGE;
-    }
-
-    @Override
     protected int getPreferenceScreenResId() {
         return R.xml.storage_dashboard_fragment;
     }
diff --git a/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java b/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java
index 7e98918..22f9c4c 100644
--- a/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java
+++ b/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceController.java
@@ -122,7 +122,8 @@
                 intent = getAudioIntent();
                 break;
             case GAME_KEY:
-                // TODO: Once app categorization is added, make this section.
+                intent = getGamesIntent();
+                break;
             case OTHER_APPS_KEY:
                 // Because we are likely constructed with a null volume, this is theoretically
                 // possible.
@@ -259,6 +260,15 @@
                 false);
     }
 
+    private Intent getGamesIntent() {
+            Bundle args = new Bundle(1);
+            args.putString(ManageApplications.EXTRA_CLASSNAME,
+                    Settings.GamesStorageActivity.class.getName());
+            return Utils.onBuildStartFragmentIntent(mContext,
+                    ManageApplications.class.getName(), args, null, R.string.game_storage_settings,
+                    null, false);
+    }
+
     private Intent getFilesIntent() {
         return mSvp.findEmulatedForPrivate(mVolume).buildBrowseIntent();
     }
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/enterprise/EnterprisePrivacySettings.java b/src/com/android/settings/enterprise/EnterprisePrivacySettings.java
index 208bf0c..75d3b10 100644
--- a/src/com/android/settings/enterprise/EnterprisePrivacySettings.java
+++ b/src/com/android/settings/enterprise/EnterprisePrivacySettings.java
@@ -24,7 +24,6 @@
 import com.android.settings.core.PreferenceController;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settings.search.Indexable.SearchIndexProvider;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -40,11 +39,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
@@ -65,6 +59,7 @@
         controllers.add(new AdminGrantedLocationPermissionsPreferenceController(context));
         controllers.add(new AdminGrantedMicrophonePermissionPreferenceController(context));
         controllers.add(new AdminGrantedCameraPermissionPreferenceController(context));
+        controllers.add(new EnterpriseSetDefaultAppsPreferenceController(context));
         controllers.add(new AlwaysOnVpnPrimaryUserPreferenceController(context));
         controllers.add(new AlwaysOnVpnManagedProfilePreferenceController(context));
         controllers.add(new GlobalHttpProxyPreferenceController(context));
diff --git a/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
new file mode 100644
index 0000000..23627cd
--- /dev/null
+++ b/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceController.java
@@ -0,0 +1,101 @@
+/*
+ * 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.enterprise;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.provider.ContactsContract;
+import android.provider.MediaStore;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.R;
+import com.android.settings.applications.ApplicationFeatureProvider;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+
+public class EnterpriseSetDefaultAppsPreferenceController extends PreferenceController {
+
+    private static final String KEY_DEFAULT_APPS = "number_enterprise_set_default_apps";
+    private final ApplicationFeatureProvider mFeatureProvider;
+
+    public EnterpriseSetDefaultAppsPreferenceController(Context context) {
+        super(context);
+        mFeatureProvider = FeatureFactory.getFactory(context)
+                .getApplicationFeatureProvider(context);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        // Browser
+        int num = mFeatureProvider.findPersistentPreferredActivities(new Intent[] {
+                buildIntent(Intent.ACTION_VIEW, Intent.CATEGORY_BROWSABLE, "http:", null)}).size();
+        // Camera
+        num += mFeatureProvider.findPersistentPreferredActivities(new Intent[] {
+                new Intent(MediaStore.ACTION_IMAGE_CAPTURE),
+                new Intent(MediaStore.ACTION_VIDEO_CAPTURE)}).size();
+        // Map
+        num += mFeatureProvider.findPersistentPreferredActivities(new Intent[] {
+                buildIntent(Intent.ACTION_VIEW, null, "geo:", null)}).size();
+        // E-mail
+        num += mFeatureProvider.findPersistentPreferredActivities(new Intent[] {
+                new Intent(Intent.ACTION_SENDTO), new Intent(Intent.ACTION_SEND),
+                new Intent(Intent.ACTION_SEND_MULTIPLE)}).size();
+        // Calendar
+        num += mFeatureProvider.findPersistentPreferredActivities(new Intent[] {
+                buildIntent(Intent.ACTION_INSERT, null, null, "vnd.android.cursor.dir/event")})
+                .size();
+        // Contacts
+        num += mFeatureProvider.findPersistentPreferredActivities(new Intent[] {
+                buildIntent(Intent.ACTION_PICK, null, null,
+                        ContactsContract.Contacts.CONTENT_TYPE)}).size();
+        // Dialer
+        num += mFeatureProvider.findPersistentPreferredActivities(new Intent[] {
+                new Intent(Intent.ACTION_DIAL), new Intent(Intent.ACTION_CALL)}).size();
+
+        if (num == 0) {
+            preference.setVisible(false);
+        } else {
+            preference.setVisible(true);
+            preference.setTitle(mContext.getResources().getQuantityString(
+                    R.plurals.enterprise_privacy_number_enterprise_set_default_apps,
+                    num, num));
+        }
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_DEFAULT_APPS;
+    }
+
+    private static Intent buildIntent(String action, String category, String protocol,
+            String type) {
+        final Intent intent = new Intent(action);
+        if (category != null) {
+            intent.addCategory(category);
+        }
+        if (protocol != null) {
+            intent.setData(Uri.parse(protocol));
+        }
+        if (type != null) {
+            intent.setType(type);
+        }
+        return intent;
+    }
+}
diff --git a/src/com/android/settings/fuelgauge/PowerUsageDetail.java b/src/com/android/settings/fuelgauge/PowerUsageDetail.java
index dbc5360..7acb7ce 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageDetail.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageDetail.java
@@ -388,11 +388,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/fuelgauge/PowerUsageSummary.java b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
index 24218b0..a989ee6 100644
--- a/src/com/android/settings/fuelgauge/PowerUsageSummary.java
+++ b/src/com/android/settings/fuelgauge/PowerUsageSummary.java
@@ -37,6 +37,7 @@
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
+
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.os.BatterySipper;
 import com.android.internal.os.BatterySipper.DrainType;
@@ -52,7 +53,6 @@
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.BatteryInfo;
-import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -139,11 +139,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_BATTERY;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
@@ -345,6 +340,8 @@
             final List<BatterySipper> usageList = getCoalescedUsageList(
                     USE_FAKE_DATA ? getFakeStats() : mStatsHelper.getUsageList());
 
+            final double screenPowerMah = removeScreenBatterySipper(usageList);
+
             final int dischargeAmount = USE_FAKE_DATA ? 5000
                     : stats != null ? stats.getDischargeAmount(mStatsType) : 0;
             final int numSippers = usageList.size();
@@ -353,9 +350,16 @@
                 if (shouldHideSipper(sipper)) {
                     continue;
                 }
-                double totalPower = USE_FAKE_DATA ? 4000 : mStatsHelper.getTotalPower();
+
+                // Deduct the screen power from total power, used to calculate percentOfTotal
+                double totalPower = USE_FAKE_DATA ?
+                        4000 : mStatsHelper.getTotalPower() - screenPowerMah;
+
+                // With deduction in totalPower, percentOfTotal is higher because it adds the part
+                // used in screen
                 final double percentOfTotal =
                         ((sipper.totalPowerMah / totalPower) * dischargeAmount);
+
                 if (((int) (percentOfTotal + .5)) < 1) {
                     continue;
                 }
@@ -406,8 +410,9 @@
                 pref.setTitle(entry.getLabel());
                 pref.setOrder(i + 1);
                 pref.setPercent(percentOfMax, percentOfTotal);
-                if ((sipper.drainType != DrainType.APP || sipper.uidObj.getUid() == Process.ROOT_UID)
-                         && sipper.drainType != DrainType.USER) {
+                if ((sipper.drainType != DrainType.APP
+                        || sipper.uidObj.getUid() == Process.ROOT_UID)
+                        && sipper.drainType != DrainType.USER) {
                     pref.setTint(colorControl);
                 }
                 addedSome = true;
@@ -450,6 +455,19 @@
         }
     }
 
+    @VisibleForTesting
+    double removeScreenBatterySipper(List<BatterySipper> sippers) {
+        for (int i = 0, size = sippers.size(); i < size; i++) {
+            final BatterySipper sipper = sippers.get(i);
+            if (sipper.drainType == DrainType.SCREEN) {
+                sippers.remove(i);
+                return sipper.totalPowerMah;
+            }
+        }
+
+        return 0;
+    }
+
     private static List<BatterySipper> getFakeStats() {
         ArrayList<BatterySipper> stats = new ArrayList<>();
         float use = 5;
@@ -558,7 +576,7 @@
             = new SummaryLoader.SummaryProviderFactory() {
         @Override
         public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
-                                                                   SummaryLoader summaryLoader) {
+                SummaryLoader summaryLoader) {
             return new SummaryProvider(activity, summaryLoader);
         }
     };
diff --git a/src/com/android/settings/gestures/DoubleTapPowerSettings.java b/src/com/android/settings/gestures/DoubleTapPowerSettings.java
index c31e999..9251f0b 100644
--- a/src/com/android/settings/gestures/DoubleTapPowerSettings.java
+++ b/src/com/android/settings/gestures/DoubleTapPowerSettings.java
@@ -40,11 +40,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/gestures/DoubleTapScreenSettings.java b/src/com/android/settings/gestures/DoubleTapScreenSettings.java
index d203fbc..f374f9e 100644
--- a/src/com/android/settings/gestures/DoubleTapScreenSettings.java
+++ b/src/com/android/settings/gestures/DoubleTapScreenSettings.java
@@ -42,11 +42,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/gestures/DoubleTwistGestureSettings.java b/src/com/android/settings/gestures/DoubleTwistGestureSettings.java
index 1303ca1..5f5b873 100644
--- a/src/com/android/settings/gestures/DoubleTwistGestureSettings.java
+++ b/src/com/android/settings/gestures/DoubleTwistGestureSettings.java
@@ -40,11 +40,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/gestures/GestureSettings.java b/src/com/android/settings/gestures/GestureSettings.java
index 9b71b96..db6925e 100644
--- a/src/com/android/settings/gestures/GestureSettings.java
+++ b/src/com/android/settings/gestures/GestureSettings.java
@@ -122,11 +122,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
@@ -170,7 +165,7 @@
 
                     List<PreferenceController> preferenceControllers =
                             getPreferenceControllers(context);
-                    for(PreferenceController controller : preferenceControllers) {
+                    for (PreferenceController controller : preferenceControllers) {
                         controller.updateNonIndexableKeys(result);
                     }
                     return result;
diff --git a/src/com/android/settings/gestures/PickupGestureSettings.java b/src/com/android/settings/gestures/PickupGestureSettings.java
index 8c0f74c..08e61fa 100644
--- a/src/com/android/settings/gestures/PickupGestureSettings.java
+++ b/src/com/android/settings/gestures/PickupGestureSettings.java
@@ -42,11 +42,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/gestures/SwipeToNotificationSettings.java b/src/com/android/settings/gestures/SwipeToNotificationSettings.java
index fba074e..155412c 100644
--- a/src/com/android/settings/gestures/SwipeToNotificationSettings.java
+++ b/src/com/android/settings/gestures/SwipeToNotificationSettings.java
@@ -40,11 +40,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/inputmethod/InputAndGestureSettings.java b/src/com/android/settings/inputmethod/InputAndGestureSettings.java
index 4ad5af2..5b2c51a 100644
--- a/src/com/android/settings/inputmethod/InputAndGestureSettings.java
+++ b/src/com/android/settings/inputmethod/InputAndGestureSettings.java
@@ -34,7 +34,6 @@
 import com.android.settings.gestures.SwipeToNotificationPreferenceController;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -52,11 +51,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_SYSTEM_INPUT;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
index 587d039..121af98 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
@@ -38,7 +38,6 @@
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
 import com.android.settings.search.SearchIndexableRaw;
-import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -61,11 +60,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_SYSTEM_LANGUAGE;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/language/LanguageAndRegionSettings.java b/src/com/android/settings/language/LanguageAndRegionSettings.java
index 7e92e05..649b2ff 100644
--- a/src/com/android/settings/language/LanguageAndRegionSettings.java
+++ b/src/com/android/settings/language/LanguageAndRegionSettings.java
@@ -24,7 +24,6 @@
 import com.android.settings.core.PreferenceController;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.inputmethod.SpellCheckerPreferenceController;
-import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -39,11 +38,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_SYSTEM_LANGUAGE;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/network/NetworkDashboardFragment.java b/src/com/android/settings/network/NetworkDashboardFragment.java
index 89dfa02..7e6de96 100644
--- a/src/com/android/settings/network/NetworkDashboardFragment.java
+++ b/src/com/android/settings/network/NetworkDashboardFragment.java
@@ -27,7 +27,6 @@
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -47,11 +46,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_NETWORK;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/notification/AppNotificationSettings.java b/src/com/android/settings/notification/AppNotificationSettings.java
index b740b92..45762c7 100644
--- a/src/com/android/settings/notification/AppNotificationSettings.java
+++ b/src/com/android/settings/notification/AppNotificationSettings.java
@@ -19,13 +19,16 @@
 import android.app.Activity;
 import android.app.Notification;
 import android.app.NotificationChannel;
+import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 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;
 
@@ -35,11 +38,13 @@
 import com.android.settings.Utils;
 import com.android.settings.applications.AppHeaderController;
 import com.android.settings.applications.AppInfoBase;
+import com.android.settings.core.PreferenceController;
 import com.android.settings.dashboard.DashboardFeatureProvider;
 import com.android.settings.notification.NotificationBackend.AppRow;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.RestrictedPreference;
 import com.android.settingslib.RestrictedSwitchPreference;
+import com.android.settingslib.drawer.CategoryKey;
 
 import java.text.Collator;
 import java.util.Collections;
@@ -81,6 +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);
@@ -88,10 +98,12 @@
         addPreferencesFromResource(R.xml.app_notification_settings);
 
         mBlock = (RestrictedSwitchPreference) getPreferenceScreen().findPreference(KEY_BLOCK);
+        mBadge = (RestrictedSwitchPreference) getPreferenceScreen().findPreference(KEY_BADGE);
         mChannels = (PreferenceCategory) findPreference(KEY_CHANNELS);
 
         if (mPkgInfo != null) {
-            setupBlock(mAppRow.systemApp, mAppRow.banned);
+            setupBlock();
+            setupBadge();
             // load settings intent
             ArrayMap<String, AppRow> rows = new ArrayMap<String, AppRow>();
             rows.put(mAppRow.pkg, mAppRow);
@@ -113,12 +125,13 @@
                     if (channel.isDeleted()) {
                         channelPref.setTitle(
                                 getString(R.string.deleted_channel_name, channel.getName()));
+                        channelPref.setEnabled(false);
                     } else {
                         Bundle channelArgs = new Bundle();
                         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);
@@ -148,21 +161,32 @@
     @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;
         }
-        if (mBlock != null) {
-            mBlock.setDisabledByAdmin(mSuspendedAppsAdmin);
-        }
     }
 
-    private void setupBlock(boolean notBlockable, boolean banned) {
-        if (notBlockable) {
+    private void setupBadge() {
+        mBadge.setDisabledByAdmin(mSuspendedAppsAdmin);
+        mBadge.setChecked(mAppRow.showBadge);
+        mBadge.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+            @Override
+            public boolean onPreferenceChange(Preference preference, Object newValue) {
+                final boolean value = (Boolean) newValue;
+                mBackend.setShowBadge(mPkg, mUid, value);
+                return true;
+            }
+        });
+    }
+
+    private void setupBlock() {
+        if (mAppRow.systemApp) {
             setVisible(mBlock, false);
         } else {
-            mBlock.setChecked(banned);
+            mBlock.setDisabledByAdmin(mSuspendedAppsAdmin);
+            mBlock.setChecked(mAppRow.banned);
             mBlock.setOnPreferenceChangeListener(
                     new Preference.OnPreferenceChangeListener() {
                         @Override
@@ -180,6 +204,7 @@
 
     private void updateDependents(boolean banned) {
         setVisible(mChannels, !(mChannelList.isEmpty() || banned));
+        setVisible(mBadge, !banned);
     }
 
     private List<ResolveInfo> queryNotificationConfigActivities() {
diff --git a/src/com/android/settings/notification/ChannelNotificationSettings.java b/src/com/android/settings/notification/ChannelNotificationSettings.java
index e73feb5..ecce79e 100644
--- a/src/com/android/settings/notification/ChannelNotificationSettings.java
+++ b/src/com/android/settings/notification/ChannelNotificationSettings.java
@@ -34,6 +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;
@@ -47,15 +49,17 @@
 import com.android.settingslib.RestrictedSwitchPreference;
 
 import java.util.ArrayList;
+import java.util.List;
 
 public class ChannelNotificationSettings extends NotificationSettingsBase {
+    private static final String TAG = "ChannelSettings";
+
     protected static final String KEY_BYPASS_DND = "bypass_dnd";
     protected static final String KEY_VISIBILITY_OVERRIDE = "visibility_override";
     protected static final String KEY_IMPORTANCE = "importance";
     protected static final String KEY_LIGHTS = "lights";
     protected static final String KEY_VIBRATE = "vibrate";
     protected static final String KEY_RINGTONE = "ringtone";
-    protected static final String KEY_BADGE = "badge";
 
     protected RestrictedSwitchPreference mLights;
     protected RestrictedSwitchPreference mVibrate;
@@ -84,6 +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);
@@ -100,7 +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();
@@ -114,8 +123,8 @@
                     .getApplicationFeatureProvider(activity)
                     .newAppHeaderController(this /* fragment */, null /* appHeader */)
                     .setIcon(mAppRow.icon)
-                    .setLabel(mAppRow.label)
-                    .setSummary(mChannel.getName())
+                    .setLabel(mChannel.getName())
+                    .setSummary(mAppRow.label)
                     .setPackageName(mAppRow.pkg)
                     .setUid(mAppRow.uid)
                     .setButtonActions(AppHeaderController.ActionType.ACTION_APP_INFO,
@@ -128,8 +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;
         }
@@ -138,8 +147,6 @@
         mImportance.setDisabledByAdmin(mSuspendedAppsAdmin);
         mPriority.setDisabledByAdmin(mSuspendedAppsAdmin);
         mVisibilityOverride.setDisabledByAdmin(mSuspendedAppsAdmin);
-        mBlock.setDisabledByAdmin(mSuspendedAppsAdmin);
-        mBadge.setDisabledByAdmin(mSuspendedAppsAdmin);
     }
 
     private void setupLights() {
@@ -204,6 +211,7 @@
             }
         });
         mBadge.setDisabledByAdmin(mSuspendedAppsAdmin);
+        mBadge.setEnabled(mAppRow.showBadge);
         mBadge.setChecked(mChannel.canShowBadge());
         mBadge.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
             @Override
@@ -218,15 +226,20 @@
 
         mImportance.setDisabledByAdmin(mSuspendedAppsAdmin);
         final int numImportances = IMPORTANCE_HIGH - IMPORTANCE_MIN + 1;
-        String[] summaries = new String[numImportances];
-        String[] values = new String[numImportances];
+        List<String> summaries = new ArrayList<>();
+        List<String> values = new ArrayList<>();;
         for (int i = 0; i < numImportances; i++) {
             int importance = i + 1;
-            summaries[i] = getSummary(importance);
-            values[i] = String.valueOf(importance);
+            summaries.add(getSummary(importance));
+            values.add(String.valueOf(importance));
         }
-        mImportance.setEntryValues(values);
-        mImportance.setEntries(summaries);
+        if (NotificationChannel.DEFAULT_CHANNEL_ID.equals(mChannel.getId())) {
+            // Add option to reset to letting the app decide
+            summaries.add(getSummary(NotificationManager.IMPORTANCE_UNSPECIFIED));
+            values.add(String.valueOf(NotificationManager.IMPORTANCE_UNSPECIFIED));
+        }
+        mImportance.setEntryValues(values.toArray(new String[0]));
+        mImportance.setEntries(summaries.toArray(new String[0]));
         mImportance.setValue(String.valueOf(mChannel.getImportance()));
         mImportance.setSummary("%s");
 
@@ -245,6 +258,8 @@
 
     private String getSummary(int importance) {
         switch (importance) {
+            case NotificationManager.IMPORTANCE_UNSPECIFIED:
+                return getContext().getString(R.string.notification_importance_unspecified);
             case NotificationManager.IMPORTANCE_NONE:
                 return getContext().getString(R.string.notification_importance_blocked);
             case NotificationManager.IMPORTANCE_MIN:
diff --git a/src/com/android/settings/notification/ConfigureNotificationSettings.java b/src/com/android/settings/notification/ConfigureNotificationSettings.java
index fd59c97..2a737d4 100644
--- a/src/com/android/settings/notification/ConfigureNotificationSettings.java
+++ b/src/com/android/settings/notification/ConfigureNotificationSettings.java
@@ -40,11 +40,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return "";
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/notification/NotificationBackend.java b/src/com/android/settings/notification/NotificationBackend.java
index 692e1f6..124579f 100644
--- a/src/com/android/settings/notification/NotificationBackend.java
+++ b/src/com/android/settings/notification/NotificationBackend.java
@@ -26,6 +26,7 @@
 import android.content.pm.ParceledListSlice;
 import android.graphics.drawable.Drawable;
 import android.os.ServiceManager;
+import android.os.UserHandle;
 import android.util.Log;
 
 import com.android.settingslib.Utils;
@@ -48,6 +49,8 @@
         }
         row.icon = app.loadIcon(pm);
         row.banned = getNotificationsBanned(row.pkg, row.uid);
+        row.showBadge = canShowBadge(row.pkg, row.uid);
+        row.userId = UserHandle.getUserId(row.uid);
         return row;
     }
 
@@ -87,6 +90,25 @@
         }
     }
 
+    public boolean canShowBadge(String pkg, int uid) {
+        try {
+            return sINM.canShowBadge(pkg, uid);
+        } catch (Exception e) {
+            Log.w(TAG, "Error calling NoMan", e);
+            return false;
+        }
+    }
+
+    public boolean setShowBadge(String pkg, int uid, boolean showBadge) {
+        try {
+            sINM.setShowBadge(pkg, uid, showBadge);
+            return true;
+        } catch (Exception e) {
+            Log.w(TAG, "Error calling NoMan", e);
+            return false;
+        }
+    }
+
     public NotificationChannel getChannel(String pkg, int uid, String channelId) {
         if (channelId == null) {
             return null;
@@ -129,6 +151,8 @@
         public boolean banned;
         public boolean first;  // first app in section
         public boolean systemApp;
+        public boolean showBadge;
+        public int userId;
     }
 
     public static class ChannelRow extends AppRow {
diff --git a/src/com/android/settings/notification/NotificationSettingsBase.java b/src/com/android/settings/notification/NotificationSettingsBase.java
index f3e4390..f6c6591 100644
--- a/src/com/android/settings/notification/NotificationSettingsBase.java
+++ b/src/com/android/settings/notification/NotificationSettingsBase.java
@@ -16,45 +16,37 @@
 
 package com.android.settings.notification;
 
-import com.android.internal.widget.LockPatternUtils;
 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;
 
-import android.app.Notification;
 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.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
-import android.content.pm.UserInfo;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
 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 android.widget.Toast;
 
-import java.util.ArrayList;
-
-import static com.android.settings.notification.RestrictedDropDownPreference.RestrictedItem;
 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 
 abstract public class NotificationSettingsBase extends SettingsPreferenceFragment {
     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";
 
     protected PackageManager mPm;
     protected UserManager mUm;
@@ -106,26 +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);
@@ -137,14 +129,15 @@
     @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;
         }
         mSuspendedAppsAdmin = RestrictedLockUtils.checkIfApplicationIsSuspended(
                 mContext, mPkg, mUserId);
         mBlock.setDisabledByAdmin(mSuspendedAppsAdmin);
+        mBadge.setDisabledByAdmin(mSuspendedAppsAdmin);
     }
 
     protected void setVisible(Preference p, boolean visible) {
@@ -163,6 +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;
@@ -179,4 +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/notification/NotificationStation.java b/src/com/android/settings/notification/NotificationStation.java
index 04897e4..50bcd95 100644
--- a/src/com/android/settings/notification/NotificationStation.java
+++ b/src/com/android/settings/notification/NotificationStation.java
@@ -56,7 +56,7 @@
 public class NotificationStation extends SettingsPreferenceFragment {
     private static final String TAG = NotificationStation.class.getSimpleName();
 
-    private static final boolean DEBUG = false;
+    private static final boolean DEBUG = true;
     private static final boolean DUMP_EXTRAS = true;
     private static final boolean DUMP_PARCEL = true;
     private Handler mHandler;
@@ -362,6 +362,11 @@
                                         .append(delim)
                                         .append(rank.getImportanceExplanation());
                             }
+                            sb.append("\n")
+                                    .append(bold(getString(
+                                            R.string.notification_log_details_badge)))
+                                    .append(delim)
+                                    .append(Boolean.toString(rank.canShowBadge()));
                         } else {
                             if (mRanking == null) {
                                 sb.append("\n")
diff --git a/src/com/android/settings/notification/OtherSoundSettings.java b/src/com/android/settings/notification/OtherSoundSettings.java
index 15e7f8c..5c409d3 100644
--- a/src/com/android/settings/notification/OtherSoundSettings.java
+++ b/src/com/android/settings/notification/OtherSoundSettings.java
@@ -47,11 +47,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/notification/SoundSettings.java b/src/com/android/settings/notification/SoundSettings.java
index a55278d..1cf0ae6 100644
--- a/src/com/android/settings/notification/SoundSettings.java
+++ b/src/com/android/settings/notification/SoundSettings.java
@@ -20,7 +20,6 @@
 import android.app.NotificationManager;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
-import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -43,7 +42,7 @@
 import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settingslib.drawer.CategoryKey;
+
 import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -103,11 +102,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_SOUND;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
diff --git a/src/com/android/settings/overlay/FeatureFactoryImpl.java b/src/com/android/settings/overlay/FeatureFactoryImpl.java
index 2c81241..c45bf0e 100644
--- a/src/com/android/settings/overlay/FeatureFactoryImpl.java
+++ b/src/com/android/settings/overlay/FeatureFactoryImpl.java
@@ -25,6 +25,7 @@
 
 import com.android.settings.applications.ApplicationFeatureProvider;
 import com.android.settings.applications.ApplicationFeatureProviderImpl;
+import com.android.settings.applications.IPackageManagerWrapperImpl;
 import com.android.settings.applications.PackageManagerWrapperImpl;
 import com.android.settings.core.instrumentation.MetricsFeatureProvider;
 import com.android.settings.core.instrumentation.MetricsFeatureProviderImpl;
@@ -90,7 +91,7 @@
         if (mApplicationFeatureProvider == null) {
             mApplicationFeatureProvider = new ApplicationFeatureProviderImpl(context,
                     new PackageManagerWrapperImpl(context.getPackageManager()),
-                    AppGlobals.getPackageManager(),
+                    new IPackageManagerWrapperImpl(AppGlobals.getPackageManager()),
                     new DevicePolicyManagerWrapperImpl((DevicePolicyManager) context
                             .getSystemService(Context.DEVICE_POLICY_SERVICE)));
         }
diff --git a/src/com/android/settings/search/IndexDatabaseHelper.java b/src/com/android/settings/search/IndexDatabaseHelper.java
index 8de6c54..60378c2 100644
--- a/src/com/android/settings/search/IndexDatabaseHelper.java
+++ b/src/com/android/settings/search/IndexDatabaseHelper.java
@@ -28,12 +28,13 @@
     private static final String TAG = "IndexDatabaseHelper";
 
     private static final String DATABASE_NAME = "search_index.db";
-    private static final int DATABASE_VERSION = 116;
+    private static final int DATABASE_VERSION = 117;
 
     private static final String INDEX = "index";
 
     public interface Tables {
         String TABLE_PREFS_INDEX = "prefs_index";
+        String TABLE_SITE_MAP = "site_map";
         String TABLE_META_INDEX = "meta_index";
         String TABLE_SAVED_QUERIES = "saved_queries";
     }
@@ -72,6 +73,14 @@
         String TIME_STAMP = "timestamp";
     }
 
+    public interface SiteMapColumns {
+        String DOCID = "docid";
+        String PARENT_CLASS = "parent_class";
+        String CHILD_CLASS = "child_class";
+        String PARENT_TITLE = "parent_title";
+        String CHILD_TITLE = "child_title";
+    }
+
     private static final String CREATE_INDEX_TABLE =
             "CREATE VIRTUAL TABLE " + Tables.TABLE_PREFS_INDEX + " USING fts4" +
                     "(" +
@@ -132,6 +141,17 @@
                     SavedQueriesColumns.TIME_STAMP + " INTEGER" +
                     ")";
 
+    private static final String CREATE_SITE_MAP_TABLE =
+            "CREATE VIRTUAL TABLE " + Tables.TABLE_SITE_MAP + " USING fts4" +
+                    "(" +
+                    SiteMapColumns.PARENT_CLASS +
+                    ", " +
+                    SiteMapColumns.CHILD_CLASS +
+                    ", " +
+                    SiteMapColumns.PARENT_TITLE +
+                    ", " +
+                    SiteMapColumns.CHILD_TITLE +
+                    ")";
     private static final String INSERT_BUILD_VERSION =
             "INSERT INTO " + Tables.TABLE_META_INDEX +
                     " VALUES ('" + Build.VERSION.INCREMENTAL + "');";
@@ -164,6 +184,7 @@
         db.execSQL(CREATE_INDEX_TABLE);
         db.execSQL(CREATE_META_TABLE);
         db.execSQL(CREATE_SAVED_QUERIES_TABLE);
+        db.execSQL(CREATE_SITE_MAP_TABLE);
         db.execSQL(INSERT_BUILD_VERSION);
         Log.i(TAG, "Bootstrapped database");
     }
@@ -241,5 +262,6 @@
         db.execSQL("DROP TABLE IF EXISTS " + Tables.TABLE_META_INDEX);
         db.execSQL("DROP TABLE IF EXISTS " + Tables.TABLE_PREFS_INDEX);
         db.execSQL("DROP TABLE IF EXISTS " + Tables.TABLE_SAVED_QUERIES);
+        db.execSQL("DROP TABLE IF EXISTS " + Tables.TABLE_SITE_MAP);
     }
 }
diff --git a/src/com/android/settings/search/SearchIndexableResources.java b/src/com/android/settings/search/SearchIndexableResources.java
index 4f9f92c..5040e45 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;
@@ -167,6 +169,9 @@
         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/search2/CursorToSearchResultConverter.java b/src/com/android/settings/search2/CursorToSearchResultConverter.java
index 948397f..6549c18 100644
--- a/src/com/android/settings/search2/CursorToSearchResultConverter.java
+++ b/src/com/android/settings/search2/CursorToSearchResultConverter.java
@@ -28,8 +28,10 @@
 import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
+
 import com.android.settings.SettingsActivity;
 import com.android.settings.Utils;
+import com.android.settings.dashboard.SiteMapManager;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -39,18 +41,20 @@
 import java.util.Map;
 import java.util.Set;
 
-import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_ID;
-import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_INTENT_ACTION_TARGET_CLASS;
-import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_SCREEN_TITLE;
-import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_TITLE;
-import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_SUMMARY_ON;
 import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_CLASS_NAME;
 import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_ICON;
+import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_ID;
 import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_INTENT_ACTION;
-import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_INTENT_ACTION_TARGET_PACKAGE;
+import static com.android.settings.search2.DatabaseResultLoader
+        .COLUMN_INDEX_INTENT_ACTION_TARGET_CLASS;
+import static com.android.settings.search2.DatabaseResultLoader
+        .COLUMN_INDEX_INTENT_ACTION_TARGET_PACKAGE;
 import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_KEY;
-import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_PAYLOAD_TYPE;
 import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_PAYLOAD;
+import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_PAYLOAD_TYPE;
+import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_SCREEN_TITLE;
+import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_SUMMARY_ON;
+import static com.android.settings.search2.DatabaseResultLoader.COLUMN_INDEX_TITLE;
 
 /**
  * Controller to Build search results from {@link Cursor} Objects.
@@ -78,7 +82,8 @@
         mQueryText = queryText;
     }
 
-    public List<SearchResult> convertCursor(Cursor cursorResults, int baseRank) {
+    public List<SearchResult> convertCursor(SiteMapManager sitemapManager,
+            Cursor cursorResults, int baseRank) {
         if (cursorResults == null) {
             return null;
         }
@@ -86,8 +91,8 @@
         final List<SearchResult> results = new ArrayList<>();
 
         while (cursorResults.moveToNext()) {
-            SearchResult result = buildSingleSearchResultFromCursor(contextMap, cursorResults,
-                    baseRank);
+            SearchResult result = buildSingleSearchResultFromCursor(sitemapManager,
+                    contextMap, cursorResults, baseRank);
             if (result != null) {
                 results.add(result);
             }
@@ -96,8 +101,8 @@
         return results;
     }
 
-    private SearchResult buildSingleSearchResultFromCursor(Map<String, Context> contextMap,
-            Cursor cursor, int baseRank) {
+    private SearchResult buildSingleSearchResultFromCursor(SiteMapManager sitemapManager,
+            Map<String, Context> contextMap, Cursor cursor, int baseRank) {
         final String docId = cursor.getString(COLUMN_INDEX_ID);
         /* Make sure that this result has not yet been added as a result. Checking the docID
            covers the case of multiple queries matching the same row, but we need to also to check
@@ -128,7 +133,7 @@
             return null;
         }
 
-        final List<String> breadcrumbs = getBreadcrumbs(cursor);
+        final List<String> breadcrumbs = getBreadcrumbs(sitemapManager, cursor);
         final int rank = getRank(breadcrumbs, baseRank);
 
         final SearchResult.Builder builder = new SearchResult.Builder();
@@ -210,12 +215,11 @@
         return null;
     }
 
-    private List<String> getBreadcrumbs(Cursor cursor) {
-        final List<String> breadcrumbs = new ArrayList<>();
+    private List<String> getBreadcrumbs(SiteMapManager siteMapManager, Cursor cursor) {
         final String screenTitle = cursor.getString(COLUMN_INDEX_SCREEN_TITLE);
-        if (!TextUtils.isEmpty(screenTitle)) {
-            breadcrumbs.add(screenTitle);
-        }
+        final String screenClass = cursor.getString(COLUMN_INDEX_CLASS_NAME);
+        final List<String> breadcrumbs = siteMapManager.buildBreadCrumb(mContext, screenClass,
+                screenTitle);
         return breadcrumbs;
     }
 
diff --git a/src/com/android/settings/search2/DatabaseIndexingManager.java b/src/com/android/settings/search2/DatabaseIndexingManager.java
index 073e202..d7c8746 100644
--- a/src/com/android/settings/search2/DatabaseIndexingManager.java
+++ b/src/com/android/settings/search2/DatabaseIndexingManager.java
@@ -34,7 +34,6 @@
 import android.provider.SearchIndexableResource;
 import android.provider.SearchIndexablesContract;
 import android.text.TextUtils;
-import android.util.ArrayMap;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.Xml;
@@ -517,10 +516,7 @@
                 nonIndexableKeys.addAll(resNonIndxableKeys);
             }
 
-            indexFromResource(sir.context, database, localeStr,
-                    sir.xmlResId, sir.className, sir.iconResId, sir.rank,
-                    sir.intentAction, sir.intentTargetPackage, sir.intentTargetClass,
-                    nonIndexableKeys);
+            indexFromResource(database, localeStr, sir, nonIndexableKeys);
         } else {
             if (TextUtils.isEmpty(sir.className)) {
                 Log.w(LOG_TAG, "Cannot index an empty Search Provider name!");
@@ -544,20 +540,17 @@
                     nonIndexableKeys.addAll(providerNonIndexableKeys);
                 }
 
-                indexFromProvider(mContext, database, localeStr, provider, sir.className,
-                        sir.iconResId, sir.rank, sir.enabled, nonIndexableKeys);
+                indexFromProvider(database, localeStr, provider, sir, nonIndexableKeys);
             }
         }
     }
 
-    private void indexFromResource(Context context, SQLiteDatabase database, String localeStr,
-            int xmlResId, String fragmentName, int iconResId, int rank,
-            String intentAction, String intentTargetPackage, String intentTargetClass,
-            List<String> nonIndexableKeys) {
-
+    private void indexFromResource(SQLiteDatabase database, String localeStr,
+            SearchIndexableResource sir, List<String> nonIndexableKeys) {
+        final Context context = sir.context;
         XmlResourceParser parser = null;
         try {
-            parser = context.getResources().getXml(xmlResId);
+            parser = context.getResources().getXml(sir.xmlResId);
 
             int type;
             while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
@@ -582,39 +575,47 @@
             String title;
             String summary;
             String keywords;
+            String childFragment;
             ResultPayload payload;
+            boolean enabled;
+            final String fragmentName = sir.className;
+            final int iconResId = sir.iconResId;
+            final int rank = sir.rank;
+            final String intentAction = sir.intentAction;
+            final String intentTargetPackage = sir.intentTargetPackage;
+            final String intentTargetClass = sir.intentTargetClass;
 
-            ArrayMap<String, PreferenceController> controllerUriMap = null;
+            Map<String, PreferenceController> controllerUriMap = null;
 
             if (fragmentName != null) {
-                controllerUriMap = (ArrayMap) DatabaseIndexingUtils
+                controllerUriMap = DatabaseIndexingUtils
                         .getPreferenceControllerUriMap(fragmentName, context);
             }
 
             // Insert rows for the main PreferenceScreen node. Rewrite the data for removing
             // hyphens.
-            if (!nonIndexableKeys.contains(key)) {
-                title = XmlParserUtils.getDataTitle(context, attrs);
-                summary = XmlParserUtils.getDataSummary(context, attrs);
-                keywords = XmlParserUtils.getDataKeywords(context, attrs);
 
-                DatabaseRow.Builder builder = new DatabaseRow.Builder();
-                builder.setLocale(localeStr)
-                        .setEntries(null)
-                        .setClassName(fragmentName)
-                        .setScreenTitle(screenTitle)
-                        .setIconResId(iconResId)
-                        .setRank(rank)
-                        .setIntentAction(intentAction)
-                        .setIntentTargetPackage(intentTargetPackage)
-                        .setIntentTargetClass(intentTargetClass)
-                        .setEnabled(true)
-                        .setKey(key)
-                        .setUserId(-1 /* default user id */);
+            title = XmlParserUtils.getDataTitle(context, attrs);
+            summary = XmlParserUtils.getDataSummary(context, attrs);
+            keywords = XmlParserUtils.getDataKeywords(context, attrs);
+            enabled = !nonIndexableKeys.contains(key);
 
-                updateOneRowWithFilteredData(database, builder, title, summary,
-                        null /* summary off */, keywords);
-            }
+            DatabaseRow.Builder builder = new DatabaseRow.Builder();
+            builder.setLocale(localeStr)
+                    .setEntries(null)
+                    .setClassName(fragmentName)
+                    .setScreenTitle(screenTitle)
+                    .setIconResId(iconResId)
+                    .setRank(rank)
+                    .setIntentAction(intentAction)
+                    .setIntentTargetPackage(intentTargetPackage)
+                    .setIntentTargetClass(intentTargetClass)
+                    .setEnabled(enabled)
+                    .setKey(key)
+                    .setUserId(-1 /* default user id */);
+
+            updateOneRowWithFilteredData(database, builder, title, summary,
+                    null /* summary off */, keywords);
 
             while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                     && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
@@ -625,14 +626,11 @@
                 nodeName = parser.getName();
 
                 key = XmlParserUtils.getDataKey(context, attrs);
-                if (nonIndexableKeys.contains(key)) {
-                    continue;
-                }
-
+                enabled = ! nonIndexableKeys.contains(key);
                 title = XmlParserUtils.getDataTitle(context, attrs);
                 keywords = XmlParserUtils.getDataKeywords(context, attrs);
 
-                DatabaseRow.Builder builder = new DatabaseRow.Builder();
+                builder = new DatabaseRow.Builder();
                 builder.setLocale(localeStr)
                         .setClassName(fragmentName)
                         .setScreenTitle(screenTitle)
@@ -641,7 +639,7 @@
                         .setIntentAction(intentAction)
                         .setIntentTargetPackage(intentTargetPackage)
                         .setIntentTargetClass(intentTargetClass)
-                        .setEnabled(true)
+                        .setEnabled(enabled)
                         .setKey(key)
                         .setUserId(-1 /* default user id */);
 
@@ -655,8 +653,10 @@
                     }
 
                     payload = DatabaseIndexingUtils.getPayloadFromUriMap(controllerUriMap, key);
+                    childFragment = XmlParserUtils.getDataChildFragment(context, attrs);
 
                     builder.setEntries(entries)
+                            .setChildClassName(childFragment)
                             .setPayload(payload);
 
                     // Insert rows for the child nodes of PreferenceScreen
@@ -683,16 +683,21 @@
         }
     }
 
-    private void indexFromProvider(Context context, SQLiteDatabase database, String localeStr,
-            Indexable.SearchIndexProvider provider, String className, int iconResId, int rank,
-            boolean enabled, List<String> nonIndexableKeys) {
+    private void indexFromProvider(SQLiteDatabase database, String localeStr,
+            Indexable.SearchIndexProvider provider, SearchIndexableResource sir,
+            List<String> nonIndexableKeys) {
+
+        final String className = sir.className;
+        final int iconResId = sir.iconResId;
+        final int rank = sir.rank;
 
         if (provider == null) {
             Log.w(LOG_TAG, "Cannot find provider: " + className);
             return;
         }
 
-        final List<SearchIndexableRaw> rawList = provider.getRawDataToIndex(context, enabled);
+        final List<SearchIndexableRaw> rawList = provider.getRawDataToIndex(mContext,
+                true /* enabled */);
 
         if (rawList != null) {
 
@@ -704,10 +709,7 @@
                 if (!raw.locale.toString().equalsIgnoreCase(localeStr)) {
                     continue;
                 }
-
-                if (nonIndexableKeys.contains(raw.key)) {
-                    continue;
-                }
+                boolean enabled = !nonIndexableKeys.contains(raw.key);
 
                 DatabaseRow.Builder builder = new DatabaseRow.Builder();
                 builder.setLocale(localeStr)
@@ -719,7 +721,7 @@
                         .setIntentAction(raw.intentAction)
                         .setIntentTargetPackage(raw.intentTargetPackage)
                         .setIntentTargetClass(raw.intentTargetClass)
-                        .setEnabled(raw.enabled)
+                        .setEnabled(enabled)
                         .setKey(raw.key)
                         .setUserId(raw.userId);
 
@@ -729,7 +731,7 @@
         }
 
         final List<SearchIndexableResource> resList =
-                provider.getXmlResourcesToIndex(context, enabled);
+                provider.getXmlResourcesToIndex(mContext, true);
         if (resList != null) {
             final int resSize = resList.size();
             for (int i = 0; i < resSize; i++) {
@@ -740,15 +742,10 @@
                     continue;
                 }
 
-                final int itemIconResId = (item.iconResId == 0) ? iconResId : item.iconResId;
-                final int itemRank = (item.rank == 0) ? rank : item.rank;
-                String itemClassName = (TextUtils.isEmpty(item.className))
-                        ? className : item.className;
+                item.iconResId = (item.iconResId == 0) ? iconResId : item.iconResId;
+                item.className = (TextUtils.isEmpty(item.className)) ? className : item.className;
 
-                indexFromResource(context, database, localeStr,
-                        item.xmlResId, itemClassName, itemIconResId, itemRank,
-                        item.intentAction, item.intentTargetPackage,
-                        item.intentTargetClass, nonIndexableKeys);
+                indexFromResource(database, localeStr, item, nonIndexableKeys);
             }
         }
     }
@@ -811,6 +808,18 @@
         values.put(IndexDatabaseHelper.IndexColumns.PAYLOAD, row.payload);
 
         database.replaceOrThrow(IndexDatabaseHelper.Tables.TABLE_PREFS_INDEX, null, values);
+
+        if (!TextUtils.isEmpty(row.className) && !TextUtils.isEmpty(row.childClassName)) {
+            ContentValues siteMapPair = new ContentValues();
+            final int pairDocId = Objects.hash(row.className, row.childClassName);
+            siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.DOCID, pairDocId);
+            siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.PARENT_CLASS, row.className);
+            siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.PARENT_TITLE, row.screenTitle);
+            siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.CHILD_CLASS, row.childClassName);
+            siteMapPair.put(IndexDatabaseHelper.SiteMapColumns.CHILD_TITLE, row.updatedTitle);
+
+            database.replaceOrThrow(IndexDatabaseHelper.Tables.TABLE_SITE_MAP, null, siteMapPair);
+        }
     }
 
     /**
@@ -950,6 +959,7 @@
         public final String normalizedSummaryOff;
         public final String entries;
         public final String className;
+        public final String childClassName;
         public final String screenTitle;
         public final int iconResId;
         public final int rank;
@@ -973,6 +983,7 @@
             normalizedSummaryOff = builder.mNormalizedSummaryOff;
             entries = builder.mEntries;
             className = builder.mClassName;
+            childClassName = builder.mChildClassName;
             screenTitle = builder.mScreenTitle;
             iconResId = builder.mIconResId;
             rank = builder.mRank;
@@ -1008,6 +1019,7 @@
             private String mNormalizedSummaryOff;
             private String mEntries;
             private String mClassName;
+            private String mChildClassName;
             private String mScreenTitle;
             private int mIconResId;
             private int mRank;
@@ -1067,6 +1079,11 @@
                 return this;
             }
 
+            public Builder setChildClassName(String childClassName) {
+                mChildClassName = childClassName;
+                return this;
+            }
+
             public Builder setScreenTitle(String screenTitle) {
                 mScreenTitle = screenTitle;
                 return this;
@@ -1142,4 +1159,4 @@
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/com/android/settings/search2/DatabaseIndexingUtils.java b/src/com/android/settings/search2/DatabaseIndexingUtils.java
index 9fdf732..bd06ef3 100644
--- a/src/com/android/settings/search2/DatabaseIndexingUtils.java
+++ b/src/com/android/settings/search2/DatabaseIndexingUtils.java
@@ -105,7 +105,7 @@
      * @return The Payload from the {@link PreferenceController} specified by the key, if it exists.
      * Otherwise null.
      */
-    public static ResultPayload getPayloadFromUriMap(ArrayMap<String, PreferenceController> uriMap,
+    public static ResultPayload getPayloadFromUriMap(Map<String, PreferenceController> uriMap,
             String key) {
         if (uriMap == null) {
             return null;
diff --git a/src/com/android/settings/search2/DatabaseResultLoader.java b/src/com/android/settings/search2/DatabaseResultLoader.java
index f7acd25..8bb1a41 100644
--- a/src/com/android/settings/search2/DatabaseResultLoader.java
+++ b/src/com/android/settings/search2/DatabaseResultLoader.java
@@ -20,6 +20,9 @@
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 
+import android.text.TextUtils;
+import com.android.settings.dashboard.SiteMapManager;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.IndexDatabaseHelper;
 import com.android.settings.utils.AsyncLoader;
 
@@ -35,11 +38,6 @@
  */
 public class DatabaseResultLoader extends AsyncLoader<List<SearchResult>> {
     private static final String LOG = "DatabaseResultLoader";
-    private final String mQueryText;
-
-    protected final SQLiteDatabase mDatabase;
-
-    private final CursorToSearchResultConverter mConverter;
 
     /* These indices are used to match the columns of the this loader's SELECT statement.
      These are not necessarily the same order nor similar coverage as the schema defined in
@@ -99,8 +97,15 @@
      */
     private static final int[] BASE_RANKS = {1, 4, 7};
 
+    private final String mQueryText;
+    private final SQLiteDatabase mDatabase;
+    private final CursorToSearchResultConverter mConverter;
+    private final SiteMapManager mSiteMapManager;
+
     public DatabaseResultLoader(Context context, String queryText) {
         super(context);
+        mSiteMapManager = FeatureFactory.getFactory(context)
+                .getSearchFeatureProvider().getSiteMapManager();
         mDatabase = IndexDatabaseHelper.getInstance(context).getReadableDatabase();
         mQueryText = cleanQuery(queryText);
         mConverter = new CursorToSearchResultConverter(context, mQueryText);
@@ -125,7 +130,6 @@
         secondaryResults = query(MATCH_COLUMNS_SECONDARY, BASE_RANKS[1]);
         tertiaryResults = query(MATCH_COLUMNS_TERTIARY, BASE_RANKS[2]);
 
-
         final List<SearchResult> results = new ArrayList<>(primaryResults.size()
                 + secondaryResults.size()
                 + tertiaryResults.size());
@@ -144,7 +148,7 @@
 
         final Cursor resultCursor = mDatabase.query(TABLE_PREFS_INDEX, SELECT_COLUMNS, whereClause,
                 selection, null, null, null);
-        return mConverter.convertCursor(resultCursor, baseRank);
+        return mConverter.convertCursor(mSiteMapManager, resultCursor, baseRank);
     }
 
     @Override
@@ -155,14 +159,18 @@
 
     /**
      * A generic method to make the query suitable for searching the database.
+     *
      * @return the cleaned query string
      */
     private static String cleanQuery(String query) {
+        if (TextUtils.isEmpty(query)) {
+            return null;
+        }
         return query.trim();
     }
 
     private static String buildWhereClause(String[] matchColumns) {
-        StringBuilder sb = new StringBuilder(" ");
+        StringBuilder sb = new StringBuilder(" (");
         final int count = matchColumns.length;
         for (int n = 0; n < count; n++) {
             sb.append(matchColumns[n]);
@@ -171,6 +179,7 @@
                 sb.append(" OR ");
             }
         }
+        sb.append(") AND enabled = 1");
         return sb.toString();
     }
 }
diff --git a/src/com/android/settings/search2/InstalledAppResultLoader.java b/src/com/android/settings/search2/InstalledAppResultLoader.java
index 17bb157..0b828a3 100644
--- a/src/com/android/settings/search2/InstalledAppResultLoader.java
+++ b/src/com/android/settings/search2/InstalledAppResultLoader.java
@@ -29,7 +29,10 @@
 import android.text.TextUtils;
 
 import com.android.settings.R;
+import com.android.settings.applications.ManageApplications;
 import com.android.settings.applications.PackageManagerWrapper;
+import com.android.settings.dashboard.SiteMapManager;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.utils.AsyncLoader;
 
 import java.util.ArrayList;
@@ -46,7 +49,8 @@
     private static final Intent LAUNCHER_PROBE = new Intent(Intent.ACTION_MAIN)
             .addCategory(Intent.CATEGORY_LAUNCHER);
 
-    private final List<String> mBreadcrumb;
+    private List<String> mBreadcrumb;
+    private SiteMapManager mSiteMapManager;
     private final String mQuery;
     private final UserManager mUserManager;
     private final PackageManagerWrapper mPackageManager;
@@ -55,9 +59,8 @@
     public InstalledAppResultLoader(Context context, PackageManagerWrapper pmWrapper,
             String query) {
         super(context);
-        mBreadcrumb = new ArrayList<>();
-        mBreadcrumb.add(context.getString(R.string.app_and_notification_dashboard_title));
-        mBreadcrumb.add(context.getString(R.string.applications_settings));
+        mSiteMapManager = FeatureFactory.getFactory(context)
+                .getSearchFeatureProvider().getSiteMapManager();
         mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
         mPackageManager = pmWrapper;
         mQuery = query;
@@ -92,7 +95,7 @@
                 builder.addIcon(info.loadIcon(pm))
                         .addTitle(info.loadLabel(pm))
                         .addRank(wordDiff)
-                        .addBreadcrumbs(mBreadcrumb)
+                        .addBreadcrumbs(getBreadCrumb())
                         .addPayload(new IntentPayload(intent));
                 results.add(builder.build());
             }
@@ -162,4 +165,14 @@
         // to infinity.
         return valueText.length - queryTokens.length;
     }
+
+    private List<String> getBreadCrumb() {
+        if (mBreadcrumb == null || mBreadcrumb.isEmpty()) {
+            final Context context = getContext();
+            mBreadcrumb = mSiteMapManager.buildBreadCrumb(
+                    context, ManageApplications.class.getName(),
+                    context.getString(R.string.applications_settings));
+        }
+        return mBreadcrumb;
+    }
 }
diff --git a/src/com/android/settings/search2/SearchFeatureProvider.java b/src/com/android/settings/search2/SearchFeatureProvider.java
index 91a1444..a9be5a1 100644
--- a/src/com/android/settings/search2/SearchFeatureProvider.java
+++ b/src/com/android/settings/search2/SearchFeatureProvider.java
@@ -19,6 +19,8 @@
 import android.content.Context;
 import android.view.Menu;
 
+import com.android.settings.dashboard.SiteMapManager;
+
 /**
  * FeatureProvider for Settings Search
  */
@@ -58,6 +60,11 @@
     DatabaseIndexingManager getIndexingManager(Context context);
 
     /**
+     * Returns the manager for looking up breadcrumbs.
+     */
+    SiteMapManager getSiteMapManager();
+
+    /**
      * Updates the Settings indexes
      */
     void updateIndex(Context context);
diff --git a/src/com/android/settings/search2/SearchFeatureProviderImpl.java b/src/com/android/settings/search2/SearchFeatureProviderImpl.java
index 5d62412..b575b15 100644
--- a/src/com/android/settings/search2/SearchFeatureProviderImpl.java
+++ b/src/com/android/settings/search2/SearchFeatureProviderImpl.java
@@ -25,6 +25,7 @@
 
 import com.android.settings.R;
 import com.android.settings.applications.PackageManagerWrapperImpl;
+import com.android.settings.dashboard.SiteMapManager;
 import com.android.settings.search.Index;
 
 /**
@@ -35,6 +36,7 @@
     private static final String TAG = "SearchFeatureProvider";
 
     private DatabaseIndexingManager mDatabaseIndexingManager;
+    private SiteMapManager mSiteMapManager;
 
     @Override
     public boolean isEnabled(Context context) {
@@ -86,6 +88,13 @@
         return mDatabaseIndexingManager;
     }
 
+    public SiteMapManager getSiteMapManager() {
+        if (mSiteMapManager == null) {
+            mSiteMapManager = new SiteMapManager();
+        }
+        return mSiteMapManager;
+    }
+
     @Override
     public void updateIndex(Context context) {
         long indexStartTime = System.currentTimeMillis();
diff --git a/src/com/android/settings/search2/XmlParserUtils.java b/src/com/android/settings/search2/XmlParserUtils.java
index 748d4b0..90b1c1f 100644
--- a/src/com/android/settings/search2/XmlParserUtils.java
+++ b/src/com/android/settings/search2/XmlParserUtils.java
@@ -24,9 +24,6 @@
 
 import com.android.settings.R;
 
-import java.text.Normalizer;
-import java.util.regex.Pattern;
-
 /**
  * Utility class to parse elements of XML preferences
  */
@@ -74,6 +71,14 @@
         return getData(context, attrs, R.styleable.Preference, R.styleable.Preference_keywords);
     }
 
+    /**
+     * Returns the fragment name if this preference launches a child fragment.
+     */
+    public static String getDataChildFragment(Context context, AttributeSet attrs) {
+        return getData(context, attrs, R.styleable.Preference,
+                R.styleable.Preference_android_fragment);
+    }
+
     private static String getData(Context context, AttributeSet set, int[] attrs, int resId) {
         final TypedArray sa = context.obtainStyledAttributes(set, attrs);
         final TypedValue tv = sa.peekValue(resId);
diff --git a/src/com/android/settings/system/SystemDashboardFragment.java b/src/com/android/settings/system/SystemDashboardFragment.java
index b06d403..c46bc6f 100644
--- a/src/com/android/settings/system/SystemDashboardFragment.java
+++ b/src/com/android/settings/system/SystemDashboardFragment.java
@@ -30,7 +30,6 @@
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
-import com.android.settingslib.drawer.CategoryKey;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -57,11 +56,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        return CategoryKey.CATEGORY_SYSTEM;
-    }
-
-    @Override
     protected List<PreferenceController> getPreferenceControllers(Context context) {
         final List<PreferenceController> controllers = new ArrayList<>();
         controllers.add(new SystemUpdatePreferenceController(context, UserManager.get(context)));
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/UserPackageWrapper.java b/src/com/android/settings/webview/UserPackageWrapper.java
new file mode 100644
index 0000000..8fbb10c
--- /dev/null
+++ b/src/com/android/settings/webview/UserPackageWrapper.java
@@ -0,0 +1,33 @@
+/*
+ * 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.webview;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.UserInfo;
+import android.webkit.UserPackage;
+
+import java.util.List;
+
+/**
+ * Wrapper class around android.webkit.UserPackage - to be able to use UserPackage in Robolectric
+ * tests (such tests currently don't support mocking hidden classes).
+ */
+interface UserPackageWrapper {
+    UserInfo getUserInfo();
+    PackageInfo getPackageInfo();
+    boolean isEnabledPackage();
+    boolean isInstalledPackage();
+}
diff --git a/src/com/android/settings/webview/UserPackageWrapperImpl.java b/src/com/android/settings/webview/UserPackageWrapperImpl.java
new file mode 100644
index 0000000..1ea7c2e
--- /dev/null
+++ b/src/com/android/settings/webview/UserPackageWrapperImpl.java
@@ -0,0 +1,50 @@
+/*
+ * 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.webview;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.UserInfo;
+import android.webkit.UserPackage;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Default implementation of UserPackageWrapper.
+ */
+class UserPackageWrapperImpl implements UserPackageWrapper {
+    private final UserPackage mUserPackage;
+
+    UserPackageWrapperImpl(UserPackage userPackage) {
+        mUserPackage = userPackage;
+    }
+
+    public UserInfo getUserInfo() {
+        return mUserPackage.getUserInfo();
+    }
+
+    public PackageInfo getPackageInfo() {
+        return mUserPackage.getPackageInfo();
+    }
+
+    public boolean isEnabledPackage() {
+        return mUserPackage.isEnabledPackage();
+    }
+
+    public boolean isInstalledPackage() {
+        return mUserPackage.isInstalledPackage();
+    }
+}
diff --git a/src/com/android/settings/webview/WebViewAppListAdapter.java b/src/com/android/settings/webview/WebViewAppListAdapter.java
new file mode 100644
index 0000000..4c36a47
--- /dev/null
+++ b/src/com/android/settings/webview/WebViewAppListAdapter.java
@@ -0,0 +1,138 @@
+/*
+ * 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.webview;
+
+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;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+
+import com.android.settings.applications.AppViewHolder;
+import com.android.settings.R;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Custom list adapter for Settings to choose WebView package.
+ * Note: parts of this class are copied from AppPicker.java.
+ */
+class WebViewAppListAdapter extends ArrayAdapter<WebViewApplicationInfo> {
+    private final LayoutInflater mInflater;
+    private final String mCurrentWebViewPackageName;
+
+    public WebViewAppListAdapter(Context context,
+            WebViewUpdateServiceWrapper webviewUpdateServiceWrapper) {
+        super(context, 0);
+        mInflater = LayoutInflater.from(context);
+
+        final List<WebViewApplicationInfo> packageInfoList =
+                new ArrayList<WebViewApplicationInfo>();
+        List<ApplicationInfo> pkgs =
+                webviewUpdateServiceWrapper.getValidWebViewApplicationInfos(getContext());
+        for (ApplicationInfo ai : pkgs) {
+            WebViewApplicationInfo info = new WebViewApplicationInfo(ai,
+                    ai.loadLabel(context.getPackageManager()).toString(),
+                    getDisabledReason(webviewUpdateServiceWrapper, context, ai.packageName));
+            packageInfoList.add(info);
+        }
+        addAll(packageInfoList);
+
+        PackageInfo currentWebViewPackage = webviewUpdateServiceWrapper.getCurrentWebViewPackage();
+        mCurrentWebViewPackageName =
+                currentWebViewPackage == null ? null : currentWebViewPackage.packageName;
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        // A ViewHolder keeps references to children views to avoid unnecessary calls
+        // to findViewById() on each row.
+        AppViewHolder holder = AppViewHolder.createOrRecycle(mInflater, convertView);
+        convertView = holder.rootView;
+        WebViewApplicationInfo info = getItem(position);
+        holder.appName.setText(info.label);
+        if (info.info != null) {
+            holder.appIcon.setImageDrawable(info.info.loadIcon(getContext().getPackageManager()));
+            // Allow disable-description to wrap - to be able to show several lines of text in case
+            // a package is disabled/uninstalled for several users.
+            holder.summary.setSingleLine(false);
+            if (!isEnabled(position)) {
+                holder.summary.setText(info.disabledReason);
+            } else {
+                holder.summary.setText("");
+            }
+        } else {
+            holder.appIcon.setImageDrawable(null);
+            holder.summary.setText("");
+        }
+        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;
+    }
+
+    @Override
+    public boolean isEnabled (int position) {
+        WebViewApplicationInfo info = getItem(position);
+        return info.disabledReason == null;
+    }
+
+    @Override
+    public boolean areAllItemsEnabled() {
+        int numItems = getCount();
+        for (int n = 0; n < numItems; n++) {
+            if (!isEnabled(n)) return false;
+        }
+        return true;
+    }
+
+    /**
+     * Returns the reason why a package cannot be used as WebView implementation.
+     * This is either because of it being disabled, uninstalled, or hidden for any user.
+     */
+    @VisibleForTesting
+    static String getDisabledReason(WebViewUpdateServiceWrapper webviewUpdateServiceWrapper,
+            Context context, String packageName) {
+        StringBuilder disabledReason = new StringBuilder();
+        List<UserPackageWrapper> userPackages =
+                webviewUpdateServiceWrapper.getPackageInfosAllUsers(context, packageName);
+        for (UserPackageWrapper userPackage : userPackages) {
+            if (!userPackage.isInstalledPackage()) {
+                // Package uninstalled/hidden
+                disabledReason.append(context.getString(
+                        R.string.webview_uninstalled_for_user, userPackage.getUserInfo().name));
+            } else if (!userPackage.isEnabledPackage()) {
+                // Package disabled
+                disabledReason.append(context.getString(
+                    R.string.webview_disabled_for_user, userPackage.getUserInfo().name));
+            }
+        }
+        if (disabledReason.length() == 0) return null;
+        return disabledReason.toString();
+    }
+}
+
diff --git a/src/com/android/settings/webview/WebViewAppPicker.java b/src/com/android/settings/webview/WebViewAppPicker.java
new file mode 100644
index 0000000..2417b00
--- /dev/null
+++ b/src/com/android/settings/webview/WebViewAppPicker.java
@@ -0,0 +1,95 @@
+/*
+ * 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.webview;
+
+import android.app.ListActivity;
+import android.content.pm.PackageInfo;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.support.annotation.VisibleForTesting;
+import android.util.Log;
+import android.view.View;
+import android.webkit.WebViewFactory;
+import android.widget.ListView;
+
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.core.instrumentation.Instrumentable;
+import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
+
+public class WebViewAppPicker extends ListActivity implements Instrumentable {
+    private static final String TAG = WebViewAppPicker.class.getSimpleName();
+    private WebViewAppListAdapter mAdapter;
+    private WebViewUpdateServiceWrapper mWebViewUpdateServiceWrapper;
+
+    private final VisibilityLoggerMixin mVisibilityLoggerMixin =
+            new VisibilityLoggerMixin(getMetricsCategory());
+
+    @Override
+    protected void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        if (mWebViewUpdateServiceWrapper == null) {
+            setWebViewUpdateServiceWrapper(createDefaultWebViewUpdateServiceWrapper());
+        }
+        mAdapter = new WebViewAppListAdapter(this, mWebViewUpdateServiceWrapper);
+        setListAdapter(mAdapter);
+
+        mVisibilityLoggerMixin.onAttach(this);
+    }
+
+    @Override
+    protected void onListItemClick(ListView l, View v, int position, long id) {
+        WebViewApplicationInfo app = mAdapter.getItem(position);
+
+        if (mWebViewUpdateServiceWrapper.setWebViewProvider(app.info.packageName)) {
+            Intent intent = new Intent();
+            intent.setAction(app.info.packageName);
+            setResult(RESULT_OK, intent);
+        } else {
+            mWebViewUpdateServiceWrapper.showInvalidChoiceToast(this);
+        }
+        finish();
+    }
+
+    private WebViewUpdateServiceWrapper createDefaultWebViewUpdateServiceWrapper() {
+        return new WebViewUpdateServiceWrapper();
+    }
+
+    @VisibleForTesting
+    void setWebViewUpdateServiceWrapper(WebViewUpdateServiceWrapper wvusWrapper) {
+        mWebViewUpdateServiceWrapper = wvusWrapper;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        mVisibilityLoggerMixin.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        mVisibilityLoggerMixin.onPause();
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.WEBVIEW_IMPLEMENTATION;
+    }
+}
diff --git a/src/com/android/settings/webview/WebViewAppPreferenceController.java b/src/com/android/settings/webview/WebViewAppPreferenceController.java
new file mode 100644
index 0000000..cfb358e
--- /dev/null
+++ b/src/com/android/settings/webview/WebViewAppPreferenceController.java
@@ -0,0 +1,104 @@
+/*
+ * 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.webview;
+
+import android.app.Activity;
+import android.content.pm.PackageInfo;
+import android.content.Context;
+import android.content.Intent;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.DevelopmentSettings;
+import com.android.settings.core.PreferenceController;
+
+public class WebViewAppPreferenceController extends PreferenceController {
+
+    private static final String WEBVIEW_APP_KEY = "select_webview_provider";
+
+    private Context mContext;
+    private Preference mPreference;
+    private final WebViewUpdateServiceWrapper mWebViewUpdateServiceWrapper;
+
+    public WebViewAppPreferenceController(Context context) {
+        this(context, new WebViewUpdateServiceWrapper());
+    }
+
+    public WebViewAppPreferenceController(Context context,
+            WebViewUpdateServiceWrapper webviewUpdateServiceWrapper) {
+        super(context);
+        mContext = context;
+        mWebViewUpdateServiceWrapper = webviewUpdateServiceWrapper;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (getPreferenceKey().equals(preference.getKey())) {
+            return true;
+        }
+        return false;
+    }
+
+    public Intent getActivityIntent() {
+        return new Intent(mContext, WebViewAppPicker.class);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        mPreference.setSummary(getCurrentWebViewPackageLabel(mContext));
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        if (isAvailable()) {
+            mPreference = screen.findPreference(WEBVIEW_APP_KEY);
+        }
+    }
+
+    /**
+     * Handle the return-value from the WebViewAppPicker Activity.
+     */
+    public void onActivityResult(int resultCode, Intent data) {
+        // 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) {
+        PackageInfo webViewPackage = mWebViewUpdateServiceWrapper.getCurrentWebViewPackage();
+        if (webViewPackage == null) return "";
+        return webViewPackage.applicationInfo.loadLabel(context.getPackageManager()).toString();
+    }
+
+
+    @Override
+    public String getPreferenceKey() {
+        return WEBVIEW_APP_KEY;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    public void enablePreference(boolean enabled) {
+        if (isAvailable()) {
+            mPreference.setEnabled(enabled);
+        }
+    }
+}
diff --git a/src/com/android/settings/webview/WebViewApplicationInfo.java b/src/com/android/settings/webview/WebViewApplicationInfo.java
new file mode 100644
index 0000000..6879c59
--- /dev/null
+++ b/src/com/android/settings/webview/WebViewApplicationInfo.java
@@ -0,0 +1,29 @@
+/*
+ * 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.webview;
+
+import android.content.pm.ApplicationInfo;
+
+final class WebViewApplicationInfo {
+    final ApplicationInfo info;
+    final String label;
+    final String disabledReason;
+
+    public WebViewApplicationInfo(ApplicationInfo info, String label, String disabledReason) {
+        this.info = info;
+        this.label = label;
+        this.disabledReason = disabledReason;
+    }
+}
diff --git a/src/com/android/settings/webview/WebViewUpdateServiceWrapper.java b/src/com/android/settings/webview/WebViewUpdateServiceWrapper.java
new file mode 100644
index 0000000..b40be19
--- /dev/null
+++ b/src/com/android/settings/webview/WebViewUpdateServiceWrapper.java
@@ -0,0 +1,113 @@
+/*
+ * 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.webview;
+
+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.util.Log;
+import android.webkit.UserPackage;
+import android.webkit.WebViewFactory;
+import android.webkit.WebViewProviderInfo;
+import android.widget.Toast;
+
+import com.android.settings.R;
+
+import java.util.ArrayList;
+import java.util.List;
+
+class WebViewUpdateServiceWrapper {
+    private static final String TAG = "WVUSWrapper";
+
+    public WebViewUpdateServiceWrapper() {}
+
+    /**
+     * Fetch the package currently used as WebView implementation.
+     */
+    public PackageInfo getCurrentWebViewPackage() {
+        try {
+            return WebViewFactory.getUpdateService().getCurrentWebViewPackage();
+        } catch (RemoteException e) {
+            Log.e(TAG, e.toString());
+        }
+        return null;
+    }
+
+    /**
+     * Fetches ApplicationInfo objects for all currently valid WebView packages.
+     * A WebView package is considered valid if it can be used as a WebView implementation. The
+     * validity of a package is not dependent on whether the package is installed/enabled.
+     */
+    public List<ApplicationInfo> getValidWebViewApplicationInfos(Context context) {
+        WebViewProviderInfo[] providers = null;
+        try {
+            providers = WebViewFactory.getUpdateService().getValidWebViewPackages();
+        } catch (RemoteException e) {
+        }
+        List<ApplicationInfo> pkgs = new ArrayList<>();
+        for (WebViewProviderInfo provider : providers) {
+            try {
+                pkgs.add(context.getPackageManager().getApplicationInfo(
+                        provider.packageName, PACKAGE_FLAGS));
+            } catch (PackageManager.NameNotFoundException e) {
+            }
+        }
+        return pkgs;
+    }
+
+    /**
+     * Change WebView provider to {@param packageName}.
+     * @return whether the change succeeded.
+     */
+    public boolean setWebViewProvider(String packageName) {
+        try {
+            return packageName.equals(
+                    WebViewFactory.getUpdateService().changeProviderAndSetting(packageName));
+        } catch (RemoteException e) {
+            Log.e(TAG, "RemoteException when trying to change provider to " + packageName, e);
+        }
+        return false;
+    }
+
+    /**
+     * Fetch PackageInfos for the package named {@param packageName} for all users on the device.
+     */
+    public List<UserPackageWrapper> getPackageInfosAllUsers(Context context, String packageName) {
+        List<UserPackageWrapper> userPackageWrappers = new ArrayList<>();
+        List<UserPackage> userPackages =
+                UserPackage.getPackageInfosAllUsers(context, packageName, PACKAGE_FLAGS);
+        for (UserPackage userPackage : userPackages) {
+            userPackageWrappers.add(new UserPackageWrapperImpl(userPackage));
+        }
+        return userPackageWrappers;
+    }
+
+    /**
+     * Show a toast to explain the chosen package can no longer be chosen.
+     */
+    public void showInvalidChoiceToast(Context context) {
+        // The user chose a package that became invalid since the list was last updated,
+        // show a Toast to explain the situation.
+        Toast toast = Toast.makeText(context,
+                R.string.select_webview_provider_toast_text, Toast.LENGTH_SHORT);
+        toast.show();
+    }
+
+    static final int PACKAGE_FLAGS = PackageManager.MATCH_ANY_USER;
+}
diff --git a/src/com/android/settings/wifi/ConfigureWifiSettings.java b/src/com/android/settings/wifi/ConfigureWifiSettings.java
index 6cbdb29..682662a 100644
--- a/src/com/android/settings/wifi/ConfigureWifiSettings.java
+++ b/src/com/android/settings/wifi/ConfigureWifiSettings.java
@@ -15,8 +15,6 @@
  */
 package com.android.settings.wifi;
 
-import static android.content.Context.WIFI_SERVICE;
-
 import android.content.Context;
 import android.net.wifi.WifiManager;
 import android.provider.SearchIndexableResource;
@@ -32,6 +30,8 @@
 import java.util.Arrays;
 import java.util.List;
 
+import static android.content.Context.WIFI_SERVICE;
+
 public class ConfigureWifiSettings extends DashboardFragment {
 
     private static final String TAG = "ConfigureWifiSettings";
@@ -44,12 +44,6 @@
     }
 
     @Override
-    protected String getCategoryKey() {
-        // We don't want to inject any external settings into this screen.
-        return null;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
@@ -64,7 +58,6 @@
         mWifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
         final List<PreferenceController> controllers = new ArrayList<>();
         controllers.add(new WifiInfoPreferenceController(context, getLifecycle(), mWifiManager));
-        controllers.add(new SavedNetworkPreferenceController(context, mWifiManager));
         controllers.add(new CellularFallbackPreferenceController(context));
         controllers.add(new AllowRecommendationPreferenceController(context));
         controllers.add(new NotifyOpenNetworksPreferenceController(context, getLifecycle()));
diff --git a/src/com/android/settings/wifi/LinkablePreference.java b/src/com/android/settings/wifi/LinkablePreference.java
new file mode 100644
index 0000000..6b1b87d
--- /dev/null
+++ b/src/com/android/settings/wifi/LinkablePreference.java
@@ -0,0 +1,119 @@
+/*
+ * 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.wifi;
+
+import android.content.Context;
+import android.support.annotation.Nullable;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.text.Spannable;
+import android.text.style.TextAppearanceSpan;
+import android.util.AttributeSet;
+import android.widget.TextView;
+import com.android.settings.LinkifyUtils;
+
+/**
+ * A preference with a title that can have linkable content on click.
+ */
+public class LinkablePreference extends Preference {
+
+    private LinkifyUtils.OnClickListener mClickListener;
+    private CharSequence mContentTitle;
+    private CharSequence mContentDescription;
+
+    public LinkablePreference(Context ctx, AttributeSet attrs, int defStyle) {
+        super(ctx, attrs, defStyle);
+        setSelectable(false);
+    }
+
+    public LinkablePreference(Context ctx, AttributeSet attrs) {
+        super(ctx, attrs);
+        setSelectable(false);
+    }
+
+    public LinkablePreference(Context ctx) {
+        super(ctx);
+        setSelectable(false);
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder view) {
+        super.onBindViewHolder(view);
+
+        TextView textView = (TextView) view.findViewById(android.R.id.title);
+        if (textView == null || mContentTitle == null || mClickListener == null) {
+            return;
+        }
+
+        textView.setSingleLine(false);
+        StringBuilder contentBuilder = new StringBuilder().append(mContentTitle);
+        if (mContentDescription != null) {
+            contentBuilder.append("\n\n");
+            contentBuilder.append(mContentDescription);
+        }
+
+        boolean linked = LinkifyUtils.linkify(textView, contentBuilder, mClickListener);
+        if (linked && mContentTitle != null) {
+            // Embolden and enlarge the title.
+            Spannable boldSpan = (Spannable) textView.getText();
+            boldSpan.setSpan(
+                    new TextAppearanceSpan(
+                            getContext(), android.R.style.TextAppearance_Medium),
+                    0,
+                    mContentTitle.length(),
+                    Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
+            textView.setText(boldSpan);
+        }
+    }
+
+    /**
+     * Sets the linkable text for the Preference title.
+     * @param contentTitle text to set the Preference title.
+     * @param contentDescription description text to append underneath title, can be null.
+     * @param clickListener OnClickListener for the link portion of the text.
+     */
+    public void setText(
+            CharSequence contentTitle,
+            @Nullable CharSequence contentDescription,
+            LinkifyUtils.OnClickListener clickListener) {
+        mContentTitle = contentTitle;
+        mContentDescription = contentDescription;
+        mClickListener = clickListener;
+        // sets the title so that the title TextView is not hidden in super.onBindViewHolder()
+        super.setTitle(contentTitle);
+    }
+
+    /**
+     * Sets the title of the LinkablePreference. resets linkable text for reusability.
+     */
+    @Override
+    public void setTitle(int titleResId) {
+        mContentTitle = null;
+        mContentDescription = null;
+        super.setTitle(titleResId);
+    }
+
+    /**
+     * Sets the title of the LinkablePreference. resets linkable text for reusability.
+     */
+    @Override
+    public void setTitle(CharSequence title) {
+        mContentTitle = null;
+        mContentDescription = null;
+        super.setTitle(title);
+    }
+}
diff --git a/src/com/android/settings/wifi/SavedNetworkPreferenceController.java b/src/com/android/settings/wifi/SavedNetworkPreferenceController.java
deleted file mode 100644
index c3ad355..0000000
--- a/src/com/android/settings/wifi/SavedNetworkPreferenceController.java
+++ /dev/null
@@ -1,51 +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.wifi;
-
-import android.content.Context;
-import android.net.wifi.WifiConfiguration;
-import android.net.wifi.WifiManager;
-
-import com.android.settings.core.PreferenceController;
-
-import java.util.List;
-
-/**
- * {@link PreferenceController} that opens saved network subsetting.
- */
-public class SavedNetworkPreferenceController extends PreferenceController {
-
-    private static final String KEY_SAVED_NETWORKS = "saved_networks";
-
-    private final WifiManager mWifiManager;
-
-    public SavedNetworkPreferenceController(Context context, WifiManager wifiManager) {
-        super(context);
-        mWifiManager = wifiManager;
-    }
-
-    @Override
-    public boolean isAvailable() {
-        final List<WifiConfiguration> config = mWifiManager.getConfiguredNetworks();
-        return config != null && !config.isEmpty();
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_SAVED_NETWORKS;
-    }
-}
diff --git a/src/com/android/settings/wifi/WifiSettings.java b/src/com/android/settings/wifi/WifiSettings.java
index 1dd18bd..4fd93b5 100644
--- a/src/com/android/settings/wifi/WifiSettings.java
+++ b/src/com/android/settings/wifi/WifiSettings.java
@@ -40,11 +40,10 @@
 import android.os.Process;
 import android.provider.Settings;
 import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceCategory;
 import android.support.v7.preference.PreferenceManager;
 import android.support.v7.preference.PreferenceViewHolder;
-import android.text.Spannable;
 import android.text.TextUtils;
-import android.text.style.TextAppearanceSpan;
 import android.util.Log;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
@@ -53,8 +52,6 @@
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.ProgressBar;
-import android.widget.TextView;
-import android.widget.TextView.BufferType;
 import android.widget.Toast;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
@@ -102,7 +99,6 @@
     private static final int MENU_ID_FORGET = Menu.FIRST + 7;
     private static final int MENU_ID_MODIFY = Menu.FIRST + 8;
     private static final int MENU_ID_WRITE_NFC = Menu.FIRST + 9;
-    private static final int MENU_ID_CONFIGURE = Menu.FIRST + 10;
 
     public static final int WIFI_DIALOG_ID = 1;
     /* package */ static final int WPS_PBC_DIALOG_ID = 2;
@@ -115,6 +111,9 @@
     private static final String SAVED_WIFI_NFC_DIALOG_STATE = "wifi_nfc_dlg_state";
 
     private static final String PREF_KEY_EMPTY_WIFI_LIST = "wifi_empty_list";
+    private static final String PREF_KEY_ACCESS_POINTS = "access_points";
+    private static final String PREF_KEY_ADDITIONAL_SETTINGS = "additional_settings";
+    private static final String PREF_KEY_SAVED_NETWORKS = "saved_networks";
 
     protected WifiManager mWifiManager;
     private WifiManager.ActionListener mConnectListener;
@@ -152,7 +151,12 @@
     private HandlerThread mBgThread;
 
     private AccessPointPreference.UserBadgeCache mUserBadgeCache;
+
+    private PreferenceCategory mAccessPointsPreferenceCategory;
+    private PreferenceCategory mAdditionalSettingsPreferenceCategory;
     private Preference mAddPreference;
+    private Preference mSavedNetworksPreference;
+    private LinkablePreference mStatusMessagePreference;
 
     private MenuItem mScanMenuItem;
 
@@ -177,9 +181,18 @@
         getPreferenceManager().setPreferenceComparisonCallback(
                 new PreferenceManager.SimplePreferenceComparisonCallback());
         addPreferencesFromResource(R.xml.wifi_settings);
-        mAddPreference = new Preference(getContext());
+
+        mAccessPointsPreferenceCategory =
+                (PreferenceCategory) findPreference(PREF_KEY_ACCESS_POINTS);
+        mAdditionalSettingsPreferenceCategory =
+                (PreferenceCategory) findPreference(PREF_KEY_ADDITIONAL_SETTINGS);
+        mSavedNetworksPreference = findPreference(PREF_KEY_SAVED_NETWORKS);
+
+        Context prefContext = getPrefContext();
+        mAddPreference = new Preference(prefContext);
         mAddPreference.setIcon(R.drawable.ic_menu_add_inset);
         mAddPreference.setTitle(R.string.wifi_add_network);
+        mStatusMessagePreference = new LinkablePreference(prefContext);
 
         mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager());
 
@@ -305,7 +318,7 @@
     /**
      * @return new WifiEnabler or null (as overridden by WifiSettingsForSetupWizard)
      */
-    /* package */ WifiEnabler createWifiEnabler() {
+    private WifiEnabler createWifiEnabler() {
         final SettingsActivity activity = (SettingsActivity) getActivity();
         return new WifiEnabler(activity, activity.getSwitchBar(), mMetricsFeatureProvider);
     }
@@ -314,7 +327,6 @@
     public void onResume() {
         final Activity activity = getActivity();
         super.onResume();
-        removePreference("dummy");
         if (mWifiEnabler != null) {
             mWifiEnabler.resume(activity);
         }
@@ -346,14 +358,13 @@
      * @param menu
      */
     void addOptionsMenuItems(Menu menu) {
-        final boolean wifiIsEnabled = mWifiTracker.isWifiEnabled();
-        mScanMenuItem = menu.add(Menu.NONE, MENU_ID_SCAN, 0, R.string.menu_stats_refresh);
-        mScanMenuItem.setEnabled(wifiIsEnabled)
-               .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
         menu.add(Menu.NONE, MENU_ID_ADVANCED, 0, R.string.wifi_menu_advanced)
                 .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
-        menu.add(Menu.NONE, MENU_ID_CONFIGURE, 0, R.string.wifi_menu_configure)
-                .setIcon(R.drawable.ic_settings_24dp)
+
+        final boolean wifiIsEnabled = mWifiTracker.isWifiEnabled();
+        mScanMenuItem = menu.add(Menu.NONE, MENU_ID_SCAN, 0, R.string.menu_stats_refresh)
+                .setIcon(com.android.internal.R.drawable.ic_menu_refresh);
+        mScanMenuItem.setEnabled(wifiIsEnabled)
                 .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
     }
 
@@ -424,18 +435,6 @@
                             null);
                 }
                 return true;
-            case MENU_ID_CONFIGURE:
-                if (getActivity() instanceof SettingsActivity) {
-                    ((SettingsActivity) getActivity()).startPreferencePanel(
-                            ConfigureWifiSettings.class.getCanonicalName(), null,
-                            R.string.wifi_configure_titlebar, null, this, 0);
-                } else {
-                    startFragment(this, ConfigureWifiSettings.class.getCanonicalName(),
-                            R.string.wifi_configure_titlebar, -1 /* Do not request a results */,
-                            null);
-                }
-                return true;
-
         }
         return super.onOptionsItemSelected(item);
     }
@@ -622,10 +621,10 @@
         // Safeguard from some delayed event handling
         if (getActivity() == null) return;
         if (isUiRestricted()) {
+            mAccessPointsPreferenceCategory.removeAll();
             if (!isUiRestrictedByOnlyAdmin()) {
                 addMessagePreference(R.string.wifi_empty_list_user_restricted);
             }
-            getPreferenceScreen().removeAll();
             return;
         }
         final int wifiState = mWifiManager.getWifiState();
@@ -638,7 +637,8 @@
 
                 boolean hasAvailableAccessPoints = false;
                 int index = 0;
-                cacheRemoveAllPrefs(getPreferenceScreen());
+                mAccessPointsPreferenceCategory.removePreference(mStatusMessagePreference);
+                cacheRemoveAllPrefs(mAccessPointsPreferenceCategory);
                 for (AccessPoint accessPoint : accessPoints) {
                     // Ignore access points that are out of range.
                     if (accessPoint.getLevel() != -1) {
@@ -665,12 +665,12 @@
                             onPreferenceTreeClick(preference);
                             mOpenSsid = null;
                         }
-                        getPreferenceScreen().addPreference(preference);
+                        mAccessPointsPreferenceCategory.addPreference(preference);
                         accessPoint.setListener(this);
                         preference.refresh();
                     }
                 }
-                removeCachedPrefs(getPreferenceScreen());
+                removeCachedPrefs(mAccessPointsPreferenceCategory);
                 if (!hasAvailableAccessPoints) {
                     setProgressBarVisible(true);
                     Preference pref = new Preference(getContext()) {
@@ -683,14 +683,16 @@
                     };
                     pref.setSelectable(false);
                     pref.setSummary(R.string.wifi_empty_list_wifi_on);
-                    pref.setOrder(0);
+                    pref.setOrder(index++);
                     pref.setKey(PREF_KEY_EMPTY_WIFI_LIST);
-                    getPreferenceScreen().addPreference(pref);
-                    mAddPreference.setOrder(1);
-                    getPreferenceScreen().addPreference(mAddPreference);
+                    mAccessPointsPreferenceCategory.addPreference(pref);
+                    mAddPreference.setOrder(index++);
+                    mAccessPointsPreferenceCategory.addPreference(mAddPreference);
+                    setSavedNetworkPreferenceVisibility();
                 } else {
                     mAddPreference.setOrder(index++);
-                    getPreferenceScreen().addPreference(mAddPreference);
+                    mAccessPointsPreferenceCategory.addPreference(mAddPreference);
+                    setSavedNetworkPreferenceVisibility();
                     setProgressBarVisible(false);
                 }
                 if (mScanMenuItem != null) {
@@ -699,7 +701,7 @@
                 break;
 
             case WifiManager.WIFI_STATE_ENABLING:
-                getPreferenceScreen().removeAll();
+                mAccessPointsPreferenceCategory.removeAll();
                 setProgressBarVisible(true);
                 break;
 
@@ -710,6 +712,7 @@
 
             case WifiManager.WIFI_STATE_DISABLED:
                 setOffMessage();
+                setSavedNetworkPreferenceVisibility();
                 setProgressBarVisible(false);
                 if (mScanMenuItem != null) {
                     mScanMenuItem.setEnabled(false);
@@ -718,17 +721,20 @@
         }
     }
 
+    private void setSavedNetworkPreferenceVisibility() {
+        if (mWifiTracker.doSavedNetworksExist()) {
+            mAdditionalSettingsPreferenceCategory.addPreference(mSavedNetworksPreference);
+        } else {
+            mAdditionalSettingsPreferenceCategory.removePreference(mSavedNetworksPreference);
+        }
+    }
+
     private void setOffMessage() {
         if (isUiRestricted()) {
             if (!isUiRestrictedByOnlyAdmin()) {
                 addMessagePreference(R.string.wifi_empty_list_user_restricted);
             }
-            getPreferenceScreen().removeAll();
-            return;
-        }
-
-        TextView emptyTextView = getEmptyTextView();
-        if (emptyTextView == null) {
+            mAccessPointsPreferenceCategory.removeAll();
             return;
         }
 
@@ -744,35 +750,27 @@
         if (!wifiScanningMode) {
             // Show only the brief text if the user is not allowed to configure scanning settings,
             // or the scanning mode has been turned off.
-            emptyTextView.setText(briefText, BufferType.SPANNABLE);
+            mStatusMessagePreference.setTitle(briefText);
         } else {
-            // Append the description of scanning settings with link.
-            final StringBuilder contentBuilder = new StringBuilder();
-            contentBuilder.append(briefText);
-            contentBuilder.append("\n\n");
-            contentBuilder.append(getText(R.string.wifi_scan_notify_text));
-            LinkifyUtils.linkify(emptyTextView, contentBuilder, new LinkifyUtils.OnClickListener() {
+            LinkifyUtils.OnClickListener clickListener = new LinkifyUtils.OnClickListener() {
                 @Override
                 public void onClick() {
-                    final SettingsActivity activity =
-                            (SettingsActivity) WifiSettings.this.getActivity();
+                    final SettingsActivity activity = (SettingsActivity) getActivity();
                     activity.startPreferencePanel(ScanningSettings.class.getName(), null,
                             R.string.location_scanning_screen_title, null, null, 0);
                 }
-            });
+            };
+            mStatusMessagePreference.setText(
+                    briefText, getText(R.string.wifi_scan_notify_text), clickListener);
         }
-        // Embolden and enlarge the brief description anyway.
-        Spannable boldSpan = (Spannable) emptyTextView.getText();
-        boldSpan.setSpan(
-                new TextAppearanceSpan(getActivity(), android.R.style.TextAppearance_Medium), 0,
-                briefText.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
-        getPreferenceScreen().removeAll();
+        mAccessPointsPreferenceCategory.removeAll();
+        mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference);
     }
 
     private void addMessagePreference(int messageId) {
-        TextView emptyTextView = getEmptyTextView();
-        if (emptyTextView != null) emptyTextView.setText(messageId);
-        getPreferenceScreen().removeAll();
+        mStatusMessagePreference.setTitle(messageId);
+        mAccessPointsPreferenceCategory.removeAll();
+        mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference);
     }
 
     protected void setProgressBarVisible(boolean visible) {
diff --git a/tests/robotests/assets/grandfather_not_implementing_indexable b/tests/robotests/assets/grandfather_not_implementing_indexable
index a178596..d774779 100644
--- a/tests/robotests/assets/grandfather_not_implementing_indexable
+++ b/tests/robotests/assets/grandfather_not_implementing_indexable
@@ -91,3 +91,4 @@
 com.android.settings.localepicker.LocaleListEditor
 com.android.settings.qstile.DevelopmentTileConfigActivity$DevelopmentTileConfigFragment
 com.android.settings.applications.ExternalSourcesDetails
+com.android.settings.applications.PictureInPictureSettings
diff --git a/tests/robotests/src/com/android/settings/BackupSettingsHelperTest.java b/tests/robotests/src/com/android/settings/BackupSettingsHelperTest.java
new file mode 100644
index 0000000..b14debc
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/BackupSettingsHelperTest.java
@@ -0,0 +1,188 @@
+/*
+ * 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/accounts/AccountDetailDashboardFragmentTest.java b/tests/robotests/src/com/android/settings/accounts/AccountDetailDashboardFragmentTest.java
index 3ba4d02..31090be 100644
--- a/tests/robotests/src/com/android/settings/accounts/AccountDetailDashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/accounts/AccountDetailDashboardFragmentTest.java
@@ -82,7 +82,8 @@
 
     @Test
     public void testCategory_isAccount() {
-        assertThat(mFragment.getCategoryKey()).isEqualTo(CategoryKey.CATEGORY_ACCOUNT);
+        assertThat(new AccountDetailDashboardFragment().getCategoryKey())
+                .isEqualTo(CategoryKey.CATEGORY_ACCOUNT);
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/applications/AdvancedAppSettingsTest.java b/tests/robotests/src/com/android/settings/applications/AdvancedAppSettingsTest.java
index 7da30ed..b8f3fc4 100644
--- a/tests/robotests/src/com/android/settings/applications/AdvancedAppSettingsTest.java
+++ b/tests/robotests/src/com/android/settings/applications/AdvancedAppSettingsTest.java
@@ -21,7 +21,6 @@
 import com.android.settings.R;
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
-import com.android.settings.testutils.FakeFeatureFactory;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -33,7 +32,6 @@
 import org.robolectric.shadows.ShadowApplication;
 
 import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.when;
 
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
@@ -42,27 +40,20 @@
     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private Context mContext;
 
-    private FakeFeatureFactory mFeatureFactory;
     private AdvancedAppSettings mFragment;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        FakeFeatureFactory.setupForTest(mContext);
-        mFeatureFactory = (FakeFeatureFactory) FakeFeatureFactory.getFactory(mContext);
+
         mFragment = new AdvancedAppSettings();
         mFragment.onAttach(ShadowApplication.getInstance().getApplicationContext());
     }
 
     @Test
-    public void getPreferenceScreenResId_differentIAEnabledState_shouldUseDifferentPrefLayout() {
-        when(mFeatureFactory.dashboardFeatureProvider.isEnabled()).thenReturn(true);
+    public void getPreferenceScreenResId_shouldUseAppDefaultSettingPrefLayout() {
         assertThat(mFragment.getPreferenceScreenResId()).isEqualTo(
                 R.xml.app_default_settings);
-
-        when(mFeatureFactory.dashboardFeatureProvider.isEnabled()).thenReturn(false);
-        assertThat(mFragment.getPreferenceScreenResId()).isEqualTo(
-                R.xml.advanced_apps);
     }
 
 }
diff --git a/tests/robotests/src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounterTest.java b/tests/robotests/src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounterTest.java
index 9fc416d..3dd3a65 100644
--- a/tests/robotests/src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounterTest.java
+++ b/tests/robotests/src/com/android/settings/applications/AppWithAdminGrantedPermissionsCounterTest.java
@@ -18,7 +18,6 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.content.pm.UserInfo;
 import android.os.Build;
@@ -79,7 +78,7 @@
 
     @Mock private Context mContext;
     @Mock private PackageManagerWrapper mPackageManager;
-    @Mock private IPackageManager mPackageManagerService;
+    @Mock private IPackageManagerWrapper mPackageManagerService;
     @Mock private DevicePolicyManagerWrapper mDevicePolicyManager;
     private List<UserInfo> mUsersToCount;
 
diff --git a/tests/robotests/src/com/android/settings/applications/ApplicationFeatureProviderImplTest.java b/tests/robotests/src/com/android/settings/applications/ApplicationFeatureProviderImplTest.java
index aba4a12..2f344dc 100644
--- a/tests/robotests/src/com/android/settings/applications/ApplicationFeatureProviderImplTest.java
+++ b/tests/robotests/src/com/android/settings/applications/ApplicationFeatureProviderImplTest.java
@@ -18,12 +18,15 @@
 
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
-import android.content.pm.IPackageManager;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.content.pm.UserInfo;
 import android.os.Build;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.util.ArraySet;
 
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
@@ -39,10 +42,11 @@
 import org.robolectric.shadows.ShadowApplication;
 
 import java.util.Arrays;
+import java.util.Set;
 
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.when;
-import org.robolectric.shadows.ShadowApplication;
+
 /**
  * Tests for {@link ApplicationFeatureProviderImpl}.
  */
@@ -66,7 +70,7 @@
     private @Mock UserManager mUserManager;
     private @Mock Context mContext;
     private @Mock PackageManagerWrapper mPackageManager;
-    @Mock private IPackageManager mPackageManagerService;
+    @Mock private IPackageManagerWrapper mPackageManagerService;
     @Mock private DevicePolicyManagerWrapper mDevicePolicyManager;
 
     private ApplicationFeatureProvider mProvider;
@@ -139,6 +143,43 @@
 
     }
 
+    @Test
+    public void testFindPersistentPreferredActivities() throws Exception {
+        when(mUserManager.getUserProfiles()).thenReturn(Arrays.asList(new UserHandle(MAIN_USER_ID),
+                new UserHandle(MANAGED_PROFILE_ID)));
+
+        final Intent viewIntent = new Intent(Intent.ACTION_VIEW);
+        final Intent editIntent = new Intent(Intent.ACTION_EDIT);
+        final Intent sendIntent = new Intent(Intent.ACTION_SEND);
+
+        final ResolveInfo app1 = createResolveInfo(APP_1);
+        final ResolveInfo app2 = createResolveInfo(APP_2);
+        when(mPackageManagerService.findPersistentPreferredActivity(viewIntent, MAIN_USER_ID))
+                .thenReturn(app1);
+        when(mPackageManagerService.findPersistentPreferredActivity(viewIntent, MANAGED_PROFILE_ID))
+                .thenReturn(app1);
+        when(mPackageManagerService.findPersistentPreferredActivity(editIntent, MAIN_USER_ID))
+                .thenReturn(null);
+        when(mPackageManagerService.findPersistentPreferredActivity(editIntent, MANAGED_PROFILE_ID))
+                .thenReturn(app2);
+        when(mPackageManagerService.findPersistentPreferredActivity(sendIntent, MAIN_USER_ID))
+                .thenReturn(app1);
+        when(mPackageManagerService.findPersistentPreferredActivity(sendIntent, MANAGED_PROFILE_ID))
+                .thenReturn(null);
+
+        final Set<ApplicationFeatureProvider.PersistentPreferredActivityInfo> expectedActivities
+                = new ArraySet<>();
+        expectedActivities.add(new ApplicationFeatureProvider.PersistentPreferredActivityInfo(APP_1,
+                MAIN_USER_ID));
+        expectedActivities.add(new ApplicationFeatureProvider.PersistentPreferredActivityInfo(APP_1,
+                MANAGED_PROFILE_ID));
+        expectedActivities.add(new ApplicationFeatureProvider.PersistentPreferredActivityInfo(APP_2,
+                MANAGED_PROFILE_ID));
+
+        assertThat(mProvider.findPersistentPreferredActivities(
+                new Intent[] {viewIntent, editIntent, sendIntent})).isEqualTo(expectedActivities);
+    }
+
     private void setUpUsersAndInstalledApps() {
         when(mUserManager.getUsers(true)).thenReturn(Arrays.asList(
                 new UserInfo(MAIN_USER_ID, "main", UserInfo.FLAG_ADMIN),
@@ -156,4 +197,12 @@
                         ApplicationTestUtils.buildInfo(APP_2_UID, APP_2, 0 /* flags */,
                                 Build.VERSION_CODES.LOLLIPOP)));
     }
+
+    private ResolveInfo createResolveInfo(String packageName) {
+        final ActivityInfo activityInfo = new ActivityInfo();
+        activityInfo.packageName = packageName;
+        final ResolveInfo resolveInfo = new ResolveInfo();
+        resolveInfo.activityInfo = activityInfo;
+        return resolveInfo;
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/applications/PictureInPictureSettingsTest.java b/tests/robotests/src/com/android/settings/applications/PictureInPictureSettingsTest.java
new file mode 100644
index 0000000..262c9e0
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/PictureInPictureSettingsTest.java
@@ -0,0 +1,130 @@
+/*
+ * 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.applications;
+
+import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageInfo;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.FakeFeatureFactory;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import java.lang.reflect.Field;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.argThat;
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.atLeast;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class PictureInPictureSettingsTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+
+    private FakeFeatureFactory mFeatureFactory;
+    private PictureInPictureSettings mFragment;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest(mContext);
+        mFeatureFactory = (FakeFeatureFactory) FakeFeatureFactory.getFactory(mContext);
+        mFragment = new PictureInPictureSettings();
+    }
+
+    @Test
+    public void testIgnoredApp() {
+        for (String ignoredPackage : mFragment.IGNORE_PACKAGE_LIST) {
+            assertThat(checkPackageHasPictureInPictureActivities(ignoredPackage, true))
+                            .isFalse();
+        }
+    }
+
+    @Test
+    public void testNonPippableApp() {
+        assertThat(checkPackageHasPictureInPictureActivities("com.android.dummypackage")).isFalse();
+        assertThat(checkPackageHasPictureInPictureActivities("com.android.dummypackage",
+                false, false, false)).isFalse();
+    }
+
+    @Test
+    public void testPippableApp() {
+        assertThat(checkPackageHasPictureInPictureActivities("com.android.dummypackage",
+                true)).isTrue();
+        assertThat(checkPackageHasPictureInPictureActivities("com.android.dummypackage",
+                false, true)).isTrue();
+        assertThat(checkPackageHasPictureInPictureActivities("com.android.dummypackage",
+                true, false)).isTrue();
+    }
+
+    @Test
+    public void logSpecialPermissionChange() {
+        mFragment.logSpecialPermissionChange(true, "app");
+        verify(mFeatureFactory.metricsFeatureProvider).action(any(Context.class),
+                eq(MetricsProto.MetricsEvent.APP_PICTURE_IN_PICTURE_ON_HIDE_ALLOW), eq("app"));
+
+        mFragment.logSpecialPermissionChange(false, "app");
+        verify(mFeatureFactory.metricsFeatureProvider).action(any(Context.class),
+                eq(MetricsProto.MetricsEvent.APP_PICTURE_IN_PICTURE_ON_HIDE_DENY), eq("app"));
+    }
+
+    private boolean checkPackageHasPictureInPictureActivities(String packageName,
+            boolean... resizeableActivityState) {
+        ActivityInfoWrapper[] activities = null;
+        if (resizeableActivityState.length > 0) {
+            activities = new ActivityInfoWrapper[resizeableActivityState.length];
+            for (int i = 0; i < activities.length; i++) {
+                activities[i] = new MockActivityInfo(resizeableActivityState[i]);
+            }
+        }
+        return PictureInPictureSettings.checkPackageHasPictureInPictureActivities(packageName,
+                activities);
+    }
+
+    private class MockActivityInfo implements ActivityInfoWrapper {
+
+        private boolean mSupportsPictureInPicture;
+
+        public MockActivityInfo(boolean supportsPictureInPicture) {
+            mSupportsPictureInPicture = supportsPictureInPicture;
+        }
+
+        @Override
+        public boolean supportsPictureInPicture() {
+            return mSupportsPictureInPicture;
+        }
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppInfoTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppInfoTest.java
new file mode 100644
index 0000000..6c31927
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppInfoTest.java
@@ -0,0 +1,93 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.content.ComponentName;
+import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+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 static com.google.common.truth.Truth.assertThat;
+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 DefaultAppInfoTest {
+
+    @Mock
+    private ActivityInfo mActivityInfo;
+    @Mock
+    private ApplicationInfo mApplicationInfo;
+    @Mock
+    private ComponentName mComponentName;
+    @Mock
+    private PackageManager mPackageManager;
+
+    private DefaultAppInfo mInfo;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void initInfoWithActivityInfo_shouldLoadInfo() {
+        mActivityInfo.packageName = "test";
+        mInfo = new DefaultAppInfo(mActivityInfo);
+        mInfo.loadLabel(mPackageManager);
+        mInfo.loadIcon(mPackageManager);
+
+        assertThat(mInfo.getKey()).isEqualTo(mActivityInfo.packageName);
+        verify(mActivityInfo).loadLabel(mPackageManager);
+        verify(mActivityInfo).loadIcon(mPackageManager);
+    }
+
+    @Test
+    public void initInfoWithApplicationInfo_shouldLoadInfo() {
+        mApplicationInfo.packageName = "test";
+
+        mInfo = new DefaultAppInfo(mApplicationInfo);
+        mInfo.loadLabel(mPackageManager);
+        mInfo.loadIcon(mPackageManager);
+
+        assertThat(mInfo.getKey()).isEqualTo(mApplicationInfo.packageName);
+        verify(mApplicationInfo).loadLabel(mPackageManager);
+        verify(mApplicationInfo).loadIcon(mPackageManager);
+    }
+
+    @Test
+    public void initInfoWithComponent_shouldLoadInfo() {
+        when(mComponentName.getPackageName()).thenReturn("com.android.settings");
+
+        mInfo = new DefaultAppInfo(0 /* uid */, mComponentName, null /*summary */);
+        mInfo.getKey();
+
+        verify(mComponentName).flattenToString();
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragmentTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragmentTest.java
new file mode 100644
index 0000000..4f560c9
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPickerFragmentTest.java
@@ -0,0 +1,139 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.Bundle;
+import android.os.UserManager;
+import android.support.v4.app.FragmentManager;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.widget.RadioButtonPreference;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.doReturn;
+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 DefaultAppPickerFragmentTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Activity mActivity;
+    @Mock
+    private PreferenceScreen mScreen;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private FragmentManager mFragmentManager;
+
+    private TestFragment mFragment;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mFragment = spy(new TestFragment());
+        final Bundle bundle = new Bundle();
+        bundle.putBoolean(DefaultAppPickerFragment.EXTRA_FOR_WORK, false);
+        mFragment.setArguments(bundle);
+
+        when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+        doReturn(mActivity).when(mFragment).getContext();
+        doReturn(mScreen).when(mFragment).getPreferenceScreen();
+    }
+
+    @Test
+    public void onAttach_userIsInitialized() {
+        mFragment.onAttach((Context) mActivity);
+
+        verify(mActivity).getPackageManager();
+        verify(mActivity).getSystemService(Context.USER_SERVICE);
+    }
+
+    @Test
+    public void clickPreference_noCofirmation_shouldDirectlyConfirm() {
+        final RadioButtonPreference pref =
+                new RadioButtonPreference(RuntimeEnvironment.application);
+        pref.setKey("TEST");
+
+        mFragment.onRadioButtonClicked(pref);
+
+        assertThat(mFragment.setDefaultAppKeyCalled).isTrue();
+    }
+
+    @Test
+    public void clickPreference_hasCofirmation_shouldShowConfirmation() {
+        final RadioButtonPreference pref =
+                new RadioButtonPreference(RuntimeEnvironment.application);
+        pref.setKey("TEST");
+        doReturn("confirmation_text").when(mFragment)
+                .getConfirmationMessage(any(DefaultAppInfo.class));
+        doReturn(mActivity).when(mFragment).getActivity();
+
+        mFragment.onRadioButtonClicked(pref);
+    }
+
+    public static class TestFragment extends DefaultAppPickerFragment {
+
+        boolean setDefaultAppKeyCalled;
+
+        @Override
+        public int getMetricsCategory() {
+            return 0;
+        }
+
+        @Override
+        protected List<DefaultAppInfo> getCandidates() {
+            return new ArrayList<>();
+        }
+
+        @Override
+        protected String getDefaultAppKey() {
+            return null;
+        }
+
+        @Override
+        protected boolean setDefaultAppKey(String key) {
+            setDefaultAppKeyCalled = true;
+            return true;
+        }
+
+        @Override
+        public Context getContext() {
+            return RuntimeEnvironment.application;
+        }
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceControllerTest.java
new file mode 100644
index 0000000..f8d4d12
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultAppPreferenceControllerTest.java
@@ -0,0 +1,107 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.content.Context;
+import android.os.UserManager;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+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 DefaultAppPreferenceControllerTest {
+
+    private static final String TEST_APP_NAME = "test";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private Preference mPreference;
+
+    private TestPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+    }
+
+    @Test
+    public void updateState_hasDefaultApp_shouldUpdateAppName() {
+        mController = new TestPreferenceController(mContext);
+
+        when(mController.mAppInfo.loadLabel(mContext.getPackageManager()))
+                .thenReturn(TEST_APP_NAME);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference).setSummary(TEST_APP_NAME);
+    }
+
+    @Test
+    public void updateState_hasNoApp_shouldNotUpdateAppName() {
+        mController = new TestPreferenceController(mContext);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference, never()).setSummary(any(CharSequence.class));
+    }
+
+    private static class TestPreferenceController extends DefaultAppPreferenceController {
+
+        private DefaultAppInfo mAppInfo;
+
+        public TestPreferenceController(Context context) {
+            super(context);
+            mAppInfo = mock(DefaultAppInfo.class);
+        }
+
+        @Override
+        public boolean isAvailable() {
+            return true;
+        }
+
+        @Override
+        public String getPreferenceKey() {
+            return "test";
+        }
+
+        @Override
+        protected DefaultAppInfo getDefaultAppInfo() {
+            return mAppInfo;
+        }
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPickerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPickerTest.java
new file mode 100644
index 0000000..e7b11d9
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPickerTest.java
@@ -0,0 +1,84 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.UserManager;
+import android.provider.Settings;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.eq;
+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 DefaultBrowserPickerTest {
+
+    private static final String TEST_APP_KEY = "";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Activity mActivity;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private PackageManagerWrapper mPackageManager;
+
+    private DefaultBrowserPicker mPicker;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+
+        mPicker = new DefaultBrowserPicker();
+        mPicker.onAttach((Context) mActivity);
+
+        ReflectionHelpers.setField(mPicker, "mPm", mPackageManager);
+    }
+
+    @Test
+    public void setDefaultAppKey_shouldUpdateDefaultBrowser() {
+        mPicker.setDefaultAppKey(TEST_APP_KEY);
+        verify(mPackageManager)
+                .setDefaultBrowserPackageNameAsUser(eq(TEST_APP_KEY), anyInt());
+    }
+
+    @Test
+    public void getDefaultAppKey_shouldReturnDefaultBrowser() {
+        mPicker.getDefaultAppKey();
+        verify(mPackageManager)
+                .getDefaultBrowserPackageNameAsUser(anyInt());
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceControllerTest.java
new file mode 100644
index 0000000..e06dfee
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultBrowserPreferenceControllerTest.java
@@ -0,0 +1,89 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.UserManager;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+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 DefaultBrowserPreferenceControllerTest {
+
+    @Mock
+    private Context mContext;
+    @Mock
+    private UserManager mUserManager;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private PackageManagerWrapper mPackageManager;
+
+    private DefaultBrowserPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+
+        mController = new DefaultBrowserPreferenceController(mContext);
+        ReflectionHelpers.setField(mController, "mPackageManager", mPackageManager);
+    }
+
+    @Test
+    public void isAlwaysAvailable() {
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void getSoleAppLabel_hasNoApp_shouldNotReturnLabel() {
+        when(mPackageManager.queryIntentActivitiesAsUser(any(Intent.class), anyInt(), anyInt()))
+                .thenReturn(null);
+        final Preference pref = mock(Preference.class);
+
+        mController.updateState(pref);
+        verify(pref, never()).setSummary(any(String.class));
+    }
+
+    @Test
+    public void getDefaultApp_shouldGetDefaultBrowserPackage() {
+        mController.getDefaultAppInfo();
+
+        verify(mPackageManager).getDefaultBrowserPackageNameAsUser(anyInt());
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultEmergencyPickerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultEmergencyPickerTest.java
new file mode 100644
index 0000000..ceccba1
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultEmergencyPickerTest.java
@@ -0,0 +1,85 @@
+/*
+ * 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.applications.defaultapps;
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.UserManager;
+import android.provider.Settings;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class DefaultEmergencyPickerTest {
+
+    private static final String TEST_APP_KEY = "test_app";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Activity mActivity;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private PackageManagerWrapper mPackageManager;
+
+    private DefaultEmergencyPicker mPicker;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+
+        mPicker = spy(new DefaultEmergencyPicker());
+        mPicker.onAttach((Context) mActivity);
+
+        ReflectionHelpers.setField(mPicker, "mPm", mPackageManager);
+
+        doReturn(RuntimeEnvironment.application).when(mPicker).getContext();
+    }
+
+    @Test
+    public void setDefaultAppKey_shouldUpdateDefault() {
+        assertThat(mPicker.setDefaultAppKey(TEST_APP_KEY)).isTrue();
+        assertThat(mPicker.getDefaultAppKey()).isEqualTo(TEST_APP_KEY);
+    }
+
+    @Test
+    public void getDefaultAppKey_shouldReturnDefault() {
+        Settings.Secure.putString(RuntimeEnvironment.application.getContentResolver(),
+                Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION,
+                TEST_APP_KEY);
+
+        assertThat(mPicker.getDefaultAppKey()).isEqualTo(TEST_APP_KEY);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePickerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePickerTest.java
new file mode 100644
index 0000000..d63ae6d
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePickerTest.java
@@ -0,0 +1,90 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.IntentFilter;
+import android.os.UserManager;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyList;
+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)
+public class DefaultHomePickerTest {
+
+    private static final String TEST_APP_KEY = "com.android.settings/DefaultEmergencyPickerTest";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Activity mActivity;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private PackageManagerWrapper mPackageManager;
+
+    private DefaultHomePicker mPicker;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+
+        mPicker = new DefaultHomePicker();
+        mPicker.onAttach((Context) mActivity);
+
+        ReflectionHelpers.setField(mPicker, "mPm", mPackageManager);
+    }
+
+    @Test
+    public void setDefaultAppKey_shouldUpdateDefault() {
+        assertThat(mPicker.setDefaultAppKey(TEST_APP_KEY)).isTrue();
+
+        verify(mPackageManager).replacePreferredActivity(any(IntentFilter.class),
+                anyInt(), any(ComponentName[].class), any(ComponentName.class));
+    }
+
+    @Test
+    public void getDefaultAppKey_shouldReturnDefault() {
+        final ComponentName cn = mock(ComponentName.class);
+        when(mPackageManager.getHomeActivities(anyList()))
+                .thenReturn(cn);
+        mPicker.getDefaultAppKey();
+        verify(cn).flattenToString();
+    }
+
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceControllerTest.java
new file mode 100644
index 0000000..6d6e2f8
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultHomePreferenceControllerTest.java
@@ -0,0 +1,87 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.content.Context;
+import android.os.UserManager;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.anyList;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+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 DefaultHomePreferenceControllerTest {
+
+    @Mock
+    private Context mContext;
+    @Mock
+    private UserManager mUserManager;
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private PackageManagerWrapper mPackageManager;
+
+    private DefaultHomePreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+
+        mController = spy(new DefaultHomePreferenceController(mContext));
+        ReflectionHelpers.setField(mController, "mPackageManager", mPackageManager);
+    }
+
+    @Test
+    public void isAlwaysAvailable() {
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void getDefaultApp_shouldGetDefaultBrowserPackage() {
+        assertThat(mController.getDefaultAppInfo()).isNotNull();
+
+        verify(mPackageManager).getHomeActivities(anyList());
+    }
+
+    @Test
+    public void updateState_noDefaultApp_shouldAskPackageManagerForOnlyApp() {
+        doReturn(null).when(mController).getDefaultAppInfo();
+
+        mController.updateState(mock(Preference.class));
+
+        verify(mPackageManager).getHomeActivities(anyList());
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultNotificationAssistantPickerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultNotificationAssistantPickerTest.java
new file mode 100644
index 0000000..322830c
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultNotificationAssistantPickerTest.java
@@ -0,0 +1,86 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.UserManager;
+import android.provider.Settings;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class DefaultNotificationAssistantPickerTest {
+
+    private static final String TEST_APP_KEY = "com.android.settings/PickerTest";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Activity mActivity;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private PackageManagerWrapper mPackageManager;
+
+    private DefaultNotificationAssistantPicker mPicker;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+
+        mPicker = spy(new DefaultNotificationAssistantPicker());
+        mPicker.onAttach((Context) mActivity);
+
+        ReflectionHelpers.setField(mPicker, "mPm", mPackageManager);
+        doReturn(RuntimeEnvironment.application).when(mPicker).getContext();
+    }
+
+    @Test
+    public void setDefaultAppKey_shouldUpdateDefault() {
+        mPicker.setDefaultAppKey(TEST_APP_KEY);
+
+        assertThat(mPicker.getDefaultAppKey()).isEqualTo(TEST_APP_KEY);
+    }
+
+    @Test
+    public void getDefaultAppKey_shouldReturnDefault() {
+        Settings.Secure.putString(RuntimeEnvironment.application.getContentResolver(),
+                Settings.Secure.ENABLED_NOTIFICATION_ASSISTANT,
+                TEST_APP_KEY);
+
+        assertThat(mPicker.getDefaultAppKey()).isEqualTo(TEST_APP_KEY);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultPhonePickerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultPhonePickerTest.java
new file mode 100644
index 0000000..0c5d5f1
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultPhonePickerTest.java
@@ -0,0 +1,96 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.UserManager;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.doReturn;
+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 DefaultPhonePickerTest {
+
+    private static final String TEST_APP_KEY = "com.android.settings/PickerTest";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Activity mActivity;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private DefaultPhonePicker.DefaultKeyUpdater mDefaultKeyUpdater;
+    @Mock
+    private PackageManagerWrapper mPackageManager;
+
+    private DefaultPhonePicker mPicker;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+        when(mActivity.getSystemService(Context.TELECOM_SERVICE)).thenReturn(null);
+        mPicker = spy(new DefaultPhonePicker());
+        mPicker.onAttach((Context) mActivity);
+
+        ReflectionHelpers.setField(mPicker, "mPm", mPackageManager);
+        ReflectionHelpers.setField(mPicker, "mDefaultKeyUpdater", mDefaultKeyUpdater);
+        doReturn(RuntimeEnvironment.application).when(mPicker).getContext();
+    }
+
+    @Test
+    public void getSystemDefaultPackage_shouldAskDefaultKeyUpdater() {
+        mPicker.getSystemDefaultAppKey();
+
+        verify(mDefaultKeyUpdater).getSystemDialerPackage();
+    }
+
+    @Test
+    public void setDefaultAppKey_shouldUpdateDefault() {
+        mPicker.setDefaultAppKey(TEST_APP_KEY);
+
+        verify(mDefaultKeyUpdater).setDefaultDialerApplication(
+                any(Context.class), eq(TEST_APP_KEY), anyInt());
+    }
+
+    @Test
+    public void getDefaultAppKey_shouldReturnDefault() {
+        mPicker.getDefaultAppKey();
+        verify(mDefaultKeyUpdater).getDefaultDialerApplication(any(Context.class), anyInt());
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultSmsPickerTest.java b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultSmsPickerTest.java
new file mode 100644
index 0000000..3da6fec
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/applications/defaultapps/DefaultSmsPickerTest.java
@@ -0,0 +1,88 @@
+/*
+ * 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.applications.defaultapps;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.os.UserManager;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.PackageManagerWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.doReturn;
+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 DefaultSmsPickerTest {
+
+    private static final String TEST_APP_KEY = "com.android.settings/PickerTest";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Activity mActivity;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private DefaultSmsPicker.DefaultKeyUpdater mDefaultKeyUpdater;
+    @Mock
+    private PackageManagerWrapper mPackageManager;
+
+    private DefaultSmsPicker mPicker;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mActivity.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+        mPicker = spy(new DefaultSmsPicker());
+        mPicker.onAttach((Context) mActivity);
+
+        ReflectionHelpers.setField(mPicker, "mPm", mPackageManager);
+        ReflectionHelpers.setField(mPicker, "mDefaultKeyUpdater", mDefaultKeyUpdater);
+        doReturn(RuntimeEnvironment.application).when(mPicker).getContext();
+    }
+
+    @Test
+    public void setDefaultAppKey_shouldUpdateDefault() {
+        mPicker.setDefaultAppKey(TEST_APP_KEY);
+
+        verify(mDefaultKeyUpdater).setDefaultApplication(any(Context.class), eq(TEST_APP_KEY));
+    }
+
+    @Test
+    public void getDefaultAppKey_shouldReturnDefault() {
+        mPicker.getDefaultAppKey();
+
+        verify(mDefaultKeyUpdater).getDefaultApplication(any(Context.class));
+    }
+
+}
diff --git a/tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java b/tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java
index d479e0a..327575e 100644
--- a/tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/dashboard/DashboardFragmentTest.java
@@ -26,7 +26,6 @@
 import com.android.settings.core.PreferenceController;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.testutils.FakeFeatureFactory;
-import com.android.settingslib.drawer.CategoryKey;
 import com.android.settingslib.drawer.DashboardCategory;
 import com.android.settingslib.drawer.Tile;
 
@@ -200,11 +199,6 @@
         }
 
         @Override
-        protected String getCategoryKey() {
-            return CategoryKey.CATEGORY_HOMEPAGE;
-        }
-
-        @Override
         public PreferenceScreen getPreferenceScreen() {
             return mScreen;
         }
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceControllerTest.java
index 7776633..a377505 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/storage/StorageItemPreferenceControllerTest.java
@@ -140,6 +140,8 @@
         assertThat(intent.getComponent().getClassName()).isEqualTo(SubSettings.class.getName());
         assertThat(intent.getStringExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT)).isEqualTo(
                 ManageApplications.class.getName());
+        assertThat(intent.getIntExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_TITLE_RESID, 0))
+                .isEqualTo(R.string.apps_storage);
     }
 
     @Test
@@ -159,6 +161,24 @@
     }
 
     @Test
+    public void testClickGames() {
+        mPreference.setKey("pref_games");
+        mController.handlePreferenceTreeClick(mPreference);
+
+        final ArgumentCaptor<Intent> argumentCaptor = ArgumentCaptor.forClass(Intent.class);
+        verify(mFragment.getActivity()).startActivityAsUser(argumentCaptor.capture(),
+                any(UserHandle.class));
+
+        Intent intent = argumentCaptor.getValue();
+        assertThat(intent.getAction()).isEqualTo(Intent.ACTION_MAIN);
+        assertThat(intent.getComponent().getClassName()).isEqualTo(SubSettings.class.getName());
+        assertThat(intent.getStringExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT)).isEqualTo(
+                ManageApplications.class.getName());
+        assertThat(intent.getIntExtra(SettingsActivity.EXTRA_SHOW_FRAGMENT_TITLE_RESID, 0))
+                .isEqualTo(R.string.game_storage_settings);
+    }
+
+    @Test
     public void testMeasurementCompletedUpdatesPreferences() {
         StorageItemPreferenceAlternate audio = new StorageItemPreferenceAlternate(mContext);
         StorageItemPreferenceAlternate image = new StorageItemPreferenceAlternate(mContext);
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceControllerTest.java
index 3dd1fd7..b55b512 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterpriseInstalledPackagesPreferenceControllerTest.java
@@ -81,6 +81,10 @@
         final Preference preference = new Preference(mContext, null, 0, 0);
         preference.setVisible(true);
 
+        setNumberOfEnterpriseInstalledPackages(0);
+        mController.updateState(preference);
+        assertThat(preference.isVisible()).isFalse();
+
         setNumberOfEnterpriseInstalledPackages(20);
         when(mContext.getResources().getQuantityString(
                 R.plurals.enterprise_privacy_number_enterprise_installed_packages, 20, 20))
@@ -88,10 +92,6 @@
         mController.updateState(preference);
         assertThat(preference.getTitle()).isEqualTo("20 packages");
         assertThat(preference.isVisible()).isTrue();
-
-        setNumberOfEnterpriseInstalledPackages(0);
-        mController.updateState(preference);
-        assertThat(preference.isVisible()).isFalse();
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacySettingsTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacySettingsTest.java
index de4d02e..2559769 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacySettingsTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacySettingsTest.java
@@ -73,7 +73,7 @@
         final List<PreferenceController> controllers = mSettings.getPreferenceControllers(
                 ShadowApplication.getInstance().getApplicationContext());
         assertThat(controllers).isNotNull();
-        assertThat(controllers.size()).isEqualTo(11);
+        assertThat(controllers.size()).isEqualTo(12);
         assertThat(controllers.get(0)).isInstanceOf(InstalledPackagesPreferenceController.class);
         assertThat(controllers.get(1)).isInstanceOf(NetworkLogsPreferenceController.class);
         assertThat(controllers.get(2)).isInstanceOf(BugReportsPreferenceController.class);
@@ -87,9 +87,11 @@
         assertThat(controllers.get(7)).isInstanceOf(
                 AdminGrantedCameraPermissionPreferenceController.class);
         assertThat(controllers.get(8)).isInstanceOf(
-                AlwaysOnVpnPrimaryUserPreferenceController.class);
+                EnterpriseSetDefaultAppsPreferenceController.class);
         assertThat(controllers.get(9)).isInstanceOf(
+                AlwaysOnVpnPrimaryUserPreferenceController.class);
+        assertThat(controllers.get(10)).isInstanceOf(
                 AlwaysOnVpnManagedProfilePreferenceController.class);
-        assertThat(controllers.get(10)).isInstanceOf(GlobalHttpProxyPreferenceController.class);
+        assertThat(controllers.get(11)).isInstanceOf(GlobalHttpProxyPreferenceController.class);
     }
 }
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceControllerTest.java
new file mode 100644
index 0000000..84520a5
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterpriseSetDefaultAppsPreferenceControllerTest.java
@@ -0,0 +1,170 @@
+/*
+ * 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.enterprise;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.net.Uri;
+import android.provider.ContactsContract;
+import android.provider.MediaStore;
+import android.support.v7.preference.Preference;
+import android.util.ArraySet;
+
+import com.android.settings.R;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.applications.ApplicationFeatureProvider;
+import com.android.settings.testutils.FakeFeatureFactory;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentMatcher;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+
+import java.util.Set;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.argThat;
+import static org.mockito.Mockito.anyObject;
+import static org.mockito.Mockito.when;
+
+/**
+ * Tests for {@link EnterpriseSetDefaultAppsPreferenceController}.
+ */
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public final class EnterpriseSetDefaultAppsPreferenceControllerTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    private FakeFeatureFactory mFeatureFactory;
+
+    private EnterpriseSetDefaultAppsPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest(mContext);
+        mFeatureFactory = (FakeFeatureFactory) FakeFeatureFactory.getFactory(mContext);
+        mController = new EnterpriseSetDefaultAppsPreferenceController(mContext);
+    }
+
+    private static Intent buildIntent(String action, String category, String protocol,
+            String type) {
+        final Intent intent = new Intent(action);
+        if (category != null) {
+            intent.addCategory(category);
+        }
+        if (protocol != null) {
+            intent.setData(Uri.parse(protocol));
+        }
+        if (type != null) {
+            intent.setType(type);
+        }
+        return intent;
+    }
+
+    private void setEnterpriseSetDefaultApps(Intent[] intents, int number) {
+        final Set<ApplicationFeatureProvider.PersistentPreferredActivityInfo> apps
+                = new ArraySet<>(number);
+        for (int i = 0; i < number; i++) {
+            apps.add(new ApplicationFeatureProvider.PersistentPreferredActivityInfo("app", i));
+        }
+        when(mFeatureFactory.applicationFeatureProvider.findPersistentPreferredActivities(
+                argThat(new MatchesIntents(intents)))).thenReturn(apps);
+    }
+
+    @Test
+    public void testUpdateState() {
+        final Preference preference = new Preference(mContext, null, 0, 0);
+        preference.setVisible(true);
+
+        when(mFeatureFactory.applicationFeatureProvider.findPersistentPreferredActivities(
+                anyObject())).thenReturn(
+                        new ArraySet<ApplicationFeatureProvider.PersistentPreferredActivityInfo>());
+        mController.updateState(preference);
+        assertThat(preference.isVisible()).isFalse();
+
+        setEnterpriseSetDefaultApps(new Intent[] {buildIntent(Intent.ACTION_VIEW,
+                Intent.CATEGORY_BROWSABLE, "http:", null)}, 1);
+        setEnterpriseSetDefaultApps(new Intent[] {new Intent(MediaStore.ACTION_IMAGE_CAPTURE),
+                new Intent(MediaStore.ACTION_VIDEO_CAPTURE)}, 2);
+        setEnterpriseSetDefaultApps(new Intent[] {buildIntent(Intent.ACTION_VIEW, null, "geo:",
+                null)}, 4);
+        setEnterpriseSetDefaultApps(new Intent[] {new Intent(Intent.ACTION_SENDTO),
+                new Intent(Intent.ACTION_SEND), new Intent(Intent.ACTION_SEND_MULTIPLE)}, 8);
+        setEnterpriseSetDefaultApps(new Intent[] {buildIntent(Intent.ACTION_INSERT, null, null,
+                "vnd.android.cursor.dir/event")}, 16);
+        setEnterpriseSetDefaultApps(new Intent[] {buildIntent(Intent.ACTION_PICK, null, null,
+                ContactsContract.Contacts.CONTENT_TYPE)}, 32);
+        setEnterpriseSetDefaultApps(new Intent[] {new Intent(Intent.ACTION_DIAL),
+                new Intent(Intent.ACTION_CALL)}, 64);
+        when(mContext.getResources().getQuantityString(
+                R.plurals.enterprise_privacy_number_enterprise_set_default_apps, 127, 127))
+                .thenReturn("127 apps");
+        mController.updateState(preference);
+        assertThat(preference.getTitle()).isEqualTo("127 apps");
+        assertThat(preference.isVisible()).isTrue();
+    }
+
+    @Test
+    public void testIsAvailable() {
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void testHandlePreferenceTreeClick() {
+        assertThat(mController.handlePreferenceTreeClick(new Preference(mContext, null, 0, 0)))
+                .isFalse();
+    }
+
+    @Test
+    public void testGetPreferenceKey() {
+        assertThat(mController.getPreferenceKey())
+                .isEqualTo("number_enterprise_set_default_apps");
+    }
+
+    private static class MatchesIntents extends ArgumentMatcher<Intent[]> {
+        private final Intent[] mExpectedIntents;
+
+        MatchesIntents(Intent[] intents) {
+            mExpectedIntents = intents;
+        }
+
+        @Override
+        public boolean matches(Object object) {
+            final Intent[] actualIntents = (Intent[]) object;
+            if (actualIntents == null) {
+                return false;
+            }
+            if (actualIntents.length != mExpectedIntents.length) {
+                return false;
+            }
+            for (int i = 0; i < mExpectedIntents.length; i++) {
+                if (!mExpectedIntents[i].filterEquals(actualIntents[i])) {
+                    return false;
+                }
+            }
+            return true;
+        }
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java b/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java
index 35df218..ea678b6 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java
@@ -36,6 +36,9 @@
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.annotation.Config;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import static com.android.settings.fuelgauge.PowerUsageBase.MENU_STATS_REFRESH;
 import static com.android.settings.fuelgauge.PowerUsageSummary.MENU_ADDITIONAL_BATTERY_INFO;
 import static com.google.common.truth.Truth.assertThat;
@@ -53,7 +56,8 @@
     private static final String[] PACKAGE_NAMES = {"com.app1", "com.app2"};
     private static final int UID = 123;
     private static final int POWER_MAH = 100;
-
+    private static final double BATTERY_SCREEN_USAGE = 300;
+    private static final double PRECISION = 0.001;
     private static final Intent ADDITIONAL_BATTERY_INFO_INTENT =
             new Intent("com.example.app.ADDITIONAL_BATTERY_INFO");
 
@@ -68,7 +72,9 @@
     @Mock
     private MenuInflater mMenuInflater;
     @Mock
-    private BatterySipper mBatterySipper;
+    private BatterySipper mNormalBatterySipper;
+    @Mock
+    private BatterySipper mScreenBatterySipper;
 
     private TestFragment mFragment;
     private FakeFeatureFactory mFeatureFactory;
@@ -95,9 +101,12 @@
 
         mPowerUsageSummary = new PowerUsageSummary();
 
-        when(mBatterySipper.getPackages()).thenReturn(PACKAGE_NAMES);
-        when(mBatterySipper.getUid()).thenReturn(UID);
-        mBatterySipper.totalPowerMah = POWER_MAH;
+        when(mNormalBatterySipper.getPackages()).thenReturn(PACKAGE_NAMES);
+        when(mNormalBatterySipper.getUid()).thenReturn(UID);
+        mNormalBatterySipper.totalPowerMah = POWER_MAH;
+
+        mScreenBatterySipper.drainType = BatterySipper.DrainType.SCREEN;
+        mScreenBatterySipper.totalPowerMah = BATTERY_SCREEN_USAGE;
     }
 
     @Test
@@ -129,62 +138,73 @@
 
     @Test
     public void testExtractKeyFromSipper_TypeAPPUidObjectNull_ReturnPackageNames() {
-        mBatterySipper.uidObj = null;
-        mBatterySipper.drainType = BatterySipper.DrainType.APP;
+        mNormalBatterySipper.uidObj = null;
+        mNormalBatterySipper.drainType = BatterySipper.DrainType.APP;
 
-        final String key = mPowerUsageSummary.extractKeyFromSipper(mBatterySipper);
-        assertThat(key).isEqualTo(TextUtils.concat(mBatterySipper.getPackages()).toString());
+        final String key = mPowerUsageSummary.extractKeyFromSipper(mNormalBatterySipper);
+        assertThat(key).isEqualTo(TextUtils.concat(mNormalBatterySipper.getPackages()).toString());
     }
 
     @Test
     public void testExtractKeyFromSipper_TypeOther_ReturnDrainType() {
-        mBatterySipper.uidObj = null;
-        mBatterySipper.drainType = BatterySipper.DrainType.BLUETOOTH;
+        mNormalBatterySipper.uidObj = null;
+        mNormalBatterySipper.drainType = BatterySipper.DrainType.BLUETOOTH;
 
-        final String key = mPowerUsageSummary.extractKeyFromSipper(mBatterySipper);
-        assertThat(key).isEqualTo(mBatterySipper.drainType.toString());
+        final String key = mPowerUsageSummary.extractKeyFromSipper(mNormalBatterySipper);
+        assertThat(key).isEqualTo(mNormalBatterySipper.drainType.toString());
+    }
+
+    @Test
+    public void testRemoveScreenBatterySipper_ContainsScreenSipper_RemoveAndReturnValue() {
+        final List<BatterySipper> sippers = new ArrayList<>();
+        sippers.add(mNormalBatterySipper);
+        sippers.add(mScreenBatterySipper);
+
+        final double screenUsage = mPowerUsageSummary.removeScreenBatterySipper(sippers);
+        assertThat(sippers).containsExactly(mNormalBatterySipper);
+        assertThat(screenUsage).isWithin(PRECISION).of(BATTERY_SCREEN_USAGE);
     }
 
     @Test
     public void testExtractKeyFromSipper_TypeAPPUidObjectNotNull_ReturnUid() {
-        mBatterySipper.uidObj = new BatteryStatsImpl.Uid(new BatteryStatsImpl(), UID);
-        mBatterySipper.drainType = BatterySipper.DrainType.APP;
+        mNormalBatterySipper.uidObj = new BatteryStatsImpl.Uid(new BatteryStatsImpl(), UID);
+        mNormalBatterySipper.drainType = BatterySipper.DrainType.APP;
 
-        final String key = mPowerUsageSummary.extractKeyFromSipper(mBatterySipper);
-        assertThat(key).isEqualTo(Integer.toString(mBatterySipper.getUid()));
+        final String key = mPowerUsageSummary.extractKeyFromSipper(mNormalBatterySipper);
+        assertThat(key).isEqualTo(Integer.toString(mNormalBatterySipper.getUid()));
     }
 
     @Test
     public void testShouldHideSipper_TypeIdle_ReturnTrue() {
-        mBatterySipper.drainType = BatterySipper.DrainType.IDLE;
-        assertThat(mPowerUsageSummary.shouldHideSipper(mBatterySipper)).isTrue();
+        mNormalBatterySipper.drainType = BatterySipper.DrainType.IDLE;
+        assertThat(mPowerUsageSummary.shouldHideSipper(mNormalBatterySipper)).isTrue();
     }
 
     @Test
     public void testShouldHideSipper_TypeCell_ReturnTrue() {
-        mBatterySipper.drainType = BatterySipper.DrainType.CELL;
-        assertThat(mPowerUsageSummary.shouldHideSipper(mBatterySipper)).isTrue();
+        mNormalBatterySipper.drainType = BatterySipper.DrainType.CELL;
+        assertThat(mPowerUsageSummary.shouldHideSipper(mNormalBatterySipper)).isTrue();
     }
 
     @Test
     public void testShouldHideSipper_UidRoot_ReturnTrue() {
-        mBatterySipper.drainType = BatterySipper.DrainType.APP;
-        when(mBatterySipper.getUid()).thenReturn(Process.ROOT_UID);
-        assertThat(mPowerUsageSummary.shouldHideSipper(mBatterySipper)).isTrue();
+        mNormalBatterySipper.drainType = BatterySipper.DrainType.APP;
+        when(mNormalBatterySipper.getUid()).thenReturn(Process.ROOT_UID);
+        assertThat(mPowerUsageSummary.shouldHideSipper(mNormalBatterySipper)).isTrue();
     }
 
     @Test
     public void testShouldHideSipper_UidSystem_ReturnTrue() {
-        mBatterySipper.drainType = BatterySipper.DrainType.APP;
-        when(mBatterySipper.getUid()).thenReturn(Process.SYSTEM_UID);
-        assertThat(mPowerUsageSummary.shouldHideSipper(mBatterySipper)).isTrue();
+        mNormalBatterySipper.drainType = BatterySipper.DrainType.APP;
+        when(mNormalBatterySipper.getUid()).thenReturn(Process.SYSTEM_UID);
+        assertThat(mPowerUsageSummary.shouldHideSipper(mNormalBatterySipper)).isTrue();
     }
 
     @Test
     public void testShouldHideSipper_UidNormal_ReturnFalse() {
-        mBatterySipper.drainType = BatterySipper.DrainType.APP;
-        when(mBatterySipper.getUid()).thenReturn(UID);
-        assertThat(mPowerUsageSummary.shouldHideSipper(mBatterySipper)).isFalse();
+        mNormalBatterySipper.drainType = BatterySipper.DrainType.APP;
+        when(mNormalBatterySipper.getUid()).thenReturn(UID);
+        assertThat(mPowerUsageSummary.shouldHideSipper(mNormalBatterySipper)).isFalse();
     }
 
     public static class TestFragment extends PowerUsageSummary {
diff --git a/tests/robotests/src/com/android/settings/network/NetworkDashboardFragmentTest.java b/tests/robotests/src/com/android/settings/network/NetworkDashboardFragmentTest.java
index b30e3ff..dc96ed6 100644
--- a/tests/robotests/src/com/android/settings/network/NetworkDashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/network/NetworkDashboardFragmentTest.java
@@ -21,6 +21,7 @@
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
 import com.android.settings.accounts.UserAndAccountDashboardFragment;
+import com.android.settings.dashboard.DashboardFragmentRegistry;
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settingslib.drawer.CategoryKey;
 import org.junit.Before;
diff --git a/tests/robotests/src/com/android/settings/search/DatabaseIndexingManagerTest.java b/tests/robotests/src/com/android/settings/search/DatabaseIndexingManagerTest.java
index e55dc10..e89f009 100644
--- a/tests/robotests/src/com/android/settings/search/DatabaseIndexingManagerTest.java
+++ b/tests/robotests/src/com/android/settings/search/DatabaseIndexingManagerTest.java
@@ -25,6 +25,7 @@
 import com.android.settings.R;
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
+import com.android.settings.search.IndexDatabaseHelper.SiteMapColumns;
 import com.android.settings.search2.DatabaseIndexingManager;
 import com.android.settings.testutils.DatabaseTestUtils;
 
@@ -40,7 +41,9 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
+import java.util.Map;
 
+import static com.android.settings.dashboard.SiteMapManager.SITE_MAP_COLUMNS;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.spy;
 
@@ -49,7 +52,7 @@
 public class DatabaseIndexingManagerTest {
     private final String localeStr = "en_US";
 
-    private final int rank = 42;
+    private final int rank = 8;
     private final String title = "title\u2011title";
     private final String updatedTitle = "title-title";
     private final String normalizedTitle = "titletitle";
@@ -57,7 +60,7 @@
     private final String updatedSummaryOn = "summary-on";
     private final String normalizedSummaryOn = "summaryon";
     private final String summaryOff = "summary\u2011off";
-    private final String updatedSummaryOff ="summary-off";
+    private final String updatedSummaryOff = "summary-off";
     private final String normalizedSummaryOff = "summaryoff";
     private final String entries = "entries";
     private final String keywords = "keywords, keywordss, keywordsss";
@@ -94,7 +97,7 @@
         Cursor dbCursor = mDb.query("prefs_index", null, null, null, null, null, null);
         List<String> columnNames = new ArrayList<>(Arrays.asList(dbCursor.getColumnNames()));
         // Note that docid is not included.
-        List<String> expColumnNames = new ArrayList<>(Arrays.asList(new String[ ]{
+        List<String> expColumnNames = new ArrayList<>(Arrays.asList(new String[]{
                 "locale",
                 "data_rank",
                 "data_title",
@@ -211,6 +214,20 @@
     }
 
     @Test
+    public void testAddResourceWithNIKs_RowsInsertedDisabled() {
+        SearchIndexableResource resource = getFakeResource(R.xml.gesture_settings);
+        // Only add 2 of 6 items to be disabled.
+        String[] keys = {"gesture_double_tap_power", "gesture_swipe_down_fingerprint"};
+        Map<String, List<String>> niks = getNonIndexableKeys(keys);
+        mManager.indexOneSearchIndexableData(mDb, localeStr, resource, niks);
+
+        Cursor cursor = mDb.rawQuery("SELECT * FROM prefs_index WHERE enabled = 0", null);
+        assertThat(cursor.getCount()).isEqualTo(2);
+        cursor = mDb.rawQuery("SELECT * FROM prefs_index WHERE enabled = 1", null);
+        assertThat(cursor.getCount()).isEqualTo(4);
+    }
+
+    @Test
     public void testAddResourceHeader_RowsMatch() {
         SearchIndexableResource resource = getFakeResource(R.xml.application_settings);
         mManager.indexOneSearchIndexableData(mDb, localeStr, resource,
@@ -264,6 +281,29 @@
     }
 
     @Test
+    public void testAddResourceWithChildFragment_shouldUpdateSiteMapDb() {
+        SearchIndexableResource resource = getFakeResource(R.xml.network_and_internet);
+        mManager.indexOneSearchIndexableData(mDb, localeStr, resource,
+                new HashMap<>());
+        Cursor query = mDb.query(IndexDatabaseHelper.Tables.TABLE_SITE_MAP, SITE_MAP_COLUMNS,
+                null, null, null, null, null);
+        query.moveToPosition(-1);
+        int count = 0;
+        while (query.moveToNext()) {
+            count++;
+            assertThat(query.getString(query.getColumnIndex(SiteMapColumns.PARENT_CLASS)))
+                    .isEqualTo(className);
+            assertThat(query.getString(query.getColumnIndex(SiteMapColumns.PARENT_TITLE)))
+                    .isEqualTo(mContext.getString(R.string.network_dashboard_title));
+            assertThat(query.getString(query.getColumnIndex(SiteMapColumns.CHILD_CLASS)))
+                    .isNotEmpty();
+            assertThat(query.getString(query.getColumnIndex(SiteMapColumns.CHILD_TITLE)))
+                    .isNotEmpty();
+        }
+        assertThat(count).isEqualTo(5);
+    }
+
+    @Test
     public void testAddResourceCustomSetting_RowsMatch() {
         SearchIndexableResource resource = getFakeResource(R.xml.gesture_settings);
         mManager.indexOneSearchIndexableData(mDb, localeStr, resource,
@@ -393,16 +433,18 @@
         // Normalized Title
         assertThat(cursor.getString(3)).isEqualTo("preferred install location");
         // Summary On
-        assertThat(cursor.getString(4)).isEqualTo("Change the preferred installation location for new apps");
+        assertThat(cursor.getString(4)).isEqualTo(
+                "Change the preferred installation location for new apps");
         // Summary On Normalized
-        assertThat(cursor.getString(5)).isEqualTo("change the preferred installation location for new apps");
+        assertThat(cursor.getString(5)).isEqualTo(
+                "change the preferred installation location for new apps");
         // Summary Off - only on for checkbox preferences
         assertThat(cursor.getString(6)).isEmpty();
         // Summary off normalized - only on for checkbox preferences
         assertThat(cursor.getString(7)).isEmpty();
         // Entries - only on for list preferences
         assertThat(cursor.getString(8)).isEqualTo("Internal device storage|Removable SD card|" +
-                        "Let the system decide|");
+                "Let the system decide|");
         // Keywords
         assertThat(cursor.getString(9)).isEmpty();
         // Screen Title
@@ -502,21 +544,19 @@
 
     @Test
     public void testResourceProvider_ResourceRowInserted() {
-        SearchIndexableResource resource = getFakeResource(R.xml.gesture_settings);
-        resource.xmlResId = 0;
+        SearchIndexableResource resource = getFakeResource(0);
         resource.className = "com.android.settings.LegalSettings";
 
         mManager.indexOneSearchIndexableData(mDb, localeStr, resource,
                 new HashMap<>());
         Cursor cursor = mDb.rawQuery("SELECT * FROM prefs_index", null);
-        assertThat(cursor.getCount()).isEqualTo(2);
+        assertThat(cursor.getCount()).isEqualTo(6);
     }
 
     @Test
     public void testResourceProvider_ResourceRowMatches() {
-        SearchIndexableResource resource = getFakeResource(R.xml.gesture_settings);
-        resource.xmlResId = 0;
-        resource.className = "com.android.settings.LegalSettings";
+        SearchIndexableResource resource = getFakeResource(0);
+        resource.className = "com.android.settings.display.ScreenZoomSettings";
 
         mManager.indexOneSearchIndexableData(mDb, localeStr, resource,
                 new HashMap<>());
@@ -528,9 +568,9 @@
         // Data Rank
         assertThat(cursor.getInt(1)).isEqualTo(rank);
         // Data Title
-        assertThat(cursor.getString(2)).isEqualTo("Legal information");
+        assertThat(cursor.getString(2)).isEqualTo("Display size");
         // Normalized Title
-        assertThat(cursor.getString(3)).isEqualTo("legal information");
+        assertThat(cursor.getString(3)).isEqualTo("display size");
         // Summary On
         assertThat(cursor.getString(4)).isEmpty();
         // Summary On Normalized
@@ -542,12 +582,13 @@
         // Entries - only on for list preferences
         assertThat(cursor.getString(8)).isNull();
         // Keywords
-        assertThat(cursor.getString(9)).isEmpty();
+        assertThat(cursor.getString(9)).isEqualTo(
+                "display density screen zoom scale scaling");
         // Screen Title
-        assertThat(cursor.getString(10)).isEqualTo("Legal information");
+        assertThat(cursor.getString(10)).isEqualTo("Display size");
         // Class Name
         assertThat(cursor.getString(11))
-                .isEqualTo("com.android.settings.LegalSettings");
+                .isEqualTo("com.android.settings.display.ScreenZoomSettings");
         // Icon
         assertThat(cursor.getInt(12)).isEqualTo(iconResId);
         // Intent Action
@@ -568,6 +609,20 @@
         assertThat(cursor.getBlob(20)).isNull();
     }
 
+    @Test
+    public void testResourceProvider_DisabledResourceRowsInserted() {
+        SearchIndexableResource resource = getFakeResource(0);
+        resource.className = "com.android.settings.LegalSettings";
+
+        mManager.indexOneSearchIndexableData(mDb, localeStr, resource,
+                new HashMap<String, List<String>>());
+
+        Cursor cursor = mDb.rawQuery("SELECT * FROM prefs_index WHERE enabled = 1", null);
+        assertThat(cursor.getCount()).isEqualTo(2);
+        cursor = mDb.rawQuery("SELECT * FROM prefs_index WHERE enabled = 0", null);
+        assertThat(cursor.getCount()).isEqualTo(4);
+    }
+
     // Util functions
 
     private SearchIndexableRaw getFakeRaw() {
@@ -609,4 +664,11 @@
         sir.enabled = enabled;
         return sir;
     }
-}
+
+    private Map<String, List<String>> getNonIndexableKeys(String[] keys) {
+        Map<String, List<String>> niks = new HashMap<>();
+        List<String> keysList = new ArrayList<>(Arrays.asList(keys));
+        niks.put(packageName, keysList);
+        return niks;
+    }
+}
\ No newline at end of file
diff --git a/tests/robotests/src/com/android/settings/search/DatabaseResultLoaderTest.java b/tests/robotests/src/com/android/settings/search/DatabaseResultLoaderTest.java
index 2b29a16..31e6e6c 100644
--- a/tests/robotests/src/com/android/settings/search/DatabaseResultLoaderTest.java
+++ b/tests/robotests/src/com/android/settings/search/DatabaseResultLoaderTest.java
@@ -23,31 +23,51 @@
 
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
+import com.android.settings.dashboard.SiteMapManager;
 import com.android.settings.search2.DatabaseIndexingUtils;
 import com.android.settings.search2.DatabaseResultLoader;
 import com.android.settings.testutils.DatabaseTestUtils;
+import com.android.settings.testutils.FakeFeatureFactory;
 
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.times;
+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 DatabaseResultLoaderTest {
-    private Context mContext;
 
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mMockContext;
+    @Mock
+    private SiteMapManager mSiteMapManager;
+    private Context mContext;
     private DatabaseResultLoader loader;
 
     SQLiteDatabase mDb;
 
     @Before
     public void setUp() {
+        MockitoAnnotations.initMocks(this);
         mContext = RuntimeEnvironment.application;
+        FakeFeatureFactory.setupForTest(mMockContext);
+        FakeFeatureFactory factory =
+                (FakeFeatureFactory) FakeFeatureFactory.getFactory(mMockContext);
+        when(factory.searchFeatureProvider.getSiteMapManager())
+                .thenReturn(mSiteMapManager);
         mDb = IndexDatabaseHelper.getInstance(mContext).getWritableDatabase();
         setUpDb();
     }
@@ -60,25 +80,26 @@
     @Test
     public void testMatchTitle() {
         loader = new DatabaseResultLoader(mContext, "title");
-        assertThat(loader.loadInBackground().size()).isEqualTo(3);
+        assertThat(loader.loadInBackground().size()).isEqualTo(2);
+        verify(mSiteMapManager, times(2)).buildBreadCrumb(eq(mContext), anyString(), anyString());
     }
 
     @Test
     public void testMatchSummary() {
         loader = new DatabaseResultLoader(mContext, "summary");
-        assertThat(loader.loadInBackground().size()).isEqualTo(3);
+        assertThat(loader.loadInBackground().size()).isEqualTo(2);
     }
 
     @Test
     public void testMatchKeywords() {
         loader = new DatabaseResultLoader(mContext, "keywords");
-        assertThat(loader.loadInBackground().size()).isEqualTo(3);
+        assertThat(loader.loadInBackground().size()).isEqualTo(2);
     }
 
     @Test
     public void testMatchEntries() {
         loader = new DatabaseResultLoader(mContext, "entries");
-        assertThat(loader.loadInBackground().size()).isEqualTo(3);
+        assertThat(loader.loadInBackground().size()).isEqualTo(2);
     }
 
     @Test
@@ -146,7 +167,7 @@
         values.put(IndexDatabaseHelper.IndexColumns.INTENT_TARGET_PACKAGE, "");
         values.put(IndexDatabaseHelper.IndexColumns.INTENT_TARGET_CLASS, "");
         values.put(IndexDatabaseHelper.IndexColumns.ICON, "");
-        values.put(IndexDatabaseHelper.IndexColumns.ENABLED, "");
+        values.put(IndexDatabaseHelper.IndexColumns.ENABLED, true);
         values.put(IndexDatabaseHelper.IndexColumns.DATA_KEY_REF, "gesture_double_tap_power");
         values.put(IndexDatabaseHelper.IndexColumns.USER_ID, 0);
         values.put(IndexDatabaseHelper.IndexColumns.PAYLOAD_TYPE, 0);
@@ -175,7 +196,7 @@
         values.put(IndexDatabaseHelper.IndexColumns.INTENT_TARGET_PACKAGE, "");
         values.put(IndexDatabaseHelper.IndexColumns.INTENT_TARGET_CLASS, "");
         values.put(IndexDatabaseHelper.IndexColumns.ICON, "");
-        values.put(IndexDatabaseHelper.IndexColumns.ENABLED, "");
+        values.put(IndexDatabaseHelper.IndexColumns.ENABLED, true);
         values.put(IndexDatabaseHelper.IndexColumns.DATA_KEY_REF, "gesture_double_tap_power");
         values.put(IndexDatabaseHelper.IndexColumns.USER_ID, 0);
         values.put(IndexDatabaseHelper.IndexColumns.PAYLOAD_TYPE, 0);
@@ -202,7 +223,7 @@
         values.put(IndexDatabaseHelper.IndexColumns.INTENT_TARGET_PACKAGE, "");
         values.put(IndexDatabaseHelper.IndexColumns.INTENT_TARGET_CLASS, "");
         values.put(IndexDatabaseHelper.IndexColumns.ICON, "");
-        values.put(IndexDatabaseHelper.IndexColumns.ENABLED, "");
+        values.put(IndexDatabaseHelper.IndexColumns.ENABLED, true);
         values.put(IndexDatabaseHelper.IndexColumns.DATA_KEY_REF, "gesture_double_tap_power");
         values.put(IndexDatabaseHelper.IndexColumns.USER_ID, 0);
         values.put(IndexDatabaseHelper.IndexColumns.PAYLOAD_TYPE, 0);
@@ -228,7 +249,7 @@
         values.put(IndexDatabaseHelper.IndexColumns.INTENT_TARGET_PACKAGE, "");
         values.put(IndexDatabaseHelper.IndexColumns.INTENT_TARGET_CLASS, "");
         values.put(IndexDatabaseHelper.IndexColumns.ICON, "");
-        values.put(IndexDatabaseHelper.IndexColumns.ENABLED, "");
+        values.put(IndexDatabaseHelper.IndexColumns.ENABLED, false);
         values.put(IndexDatabaseHelper.IndexColumns.DATA_KEY_REF, "gesture_double_tap_power");
         values.put(IndexDatabaseHelper.IndexColumns.USER_ID, 0);
         values.put(IndexDatabaseHelper.IndexColumns.PAYLOAD_TYPE, 0);
diff --git a/tests/robotests/src/com/android/settings/search/SearchFeatureProviderImplTest.java b/tests/robotests/src/com/android/settings/search/SearchFeatureProviderImplTest.java
index c0b1b3d..c314728 100644
--- a/tests/robotests/src/com/android/settings/search/SearchFeatureProviderImplTest.java
+++ b/tests/robotests/src/com/android/settings/search/SearchFeatureProviderImplTest.java
@@ -19,17 +19,13 @@
 
 import android.app.Activity;
 import android.content.Context;
-import android.content.res.Configuration;
 import android.view.Menu;
 
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
-import com.android.settings.overlay.FeatureFactory;
-import com.android.settings.search2.DatabaseIndexingManager;
+import com.android.settings.dashboard.SiteMapManager;
 import com.android.settings.search2.SearchFeatureProviderImpl;
 
-import com.android.settings.testutils.FakeFeatureFactory;
-import com.android.settingslib.drawer.DashboardCategory;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -77,6 +73,14 @@
     }
 
     @Test
+    public void getSiteMapManager_shouldCacheInstanec() {
+        final SiteMapManager manager1 = mProvider.getSiteMapManager();
+        final SiteMapManager manager2 = mProvider.getSiteMapManager();
+
+        assertThat(manager1).isSameAs(manager2);
+    }
+
+    @Test
     public void testUpdateIndexNewSearch_UsesDatabaseIndexingManager() {
         mProvider = spy(new SearchFeatureProviderImpl());
         when(mProvider.isEnabled(mActivity)).thenReturn(true);
diff --git a/tests/robotests/src/com/android/settings/search2/CursorToSearchResultConverterTest.java b/tests/robotests/src/com/android/settings/search2/CursorToSearchResultConverterTest.java
index 6ad7501..d69ba3e 100644
--- a/tests/robotests/src/com/android/settings/search2/CursorToSearchResultConverterTest.java
+++ b/tests/robotests/src/com/android/settings/search2/CursorToSearchResultConverterTest.java
@@ -28,12 +28,16 @@
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.SubSettings;
 import com.android.settings.TestConfig;
+import com.android.settings.dashboard.SiteMapManager;
 import com.android.settings.gestures.GestureSettings;
 import com.android.settings.search2.ResultPayload.PayloadType;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 import org.robolectric.Robolectric;
 import org.robolectric.annotation.Config;
 
@@ -57,11 +61,14 @@
     private static final int BASE_RANK = 1;
     private static final int EXAMPLES = 3;
 
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private SiteMapManager mSiteMapManager;
     private Drawable mDrawable;
     private CursorToSearchResultConverter mConverter;
 
     @Before
     public void setUp() {
+        MockitoAnnotations.initMocks(this);
         Context context = Robolectric.buildActivity(Activity.class).get();
         mDrawable = context.getDrawable(ICON);
         mConverter = new CursorToSearchResultConverter(context, QUERY);
@@ -69,19 +76,21 @@
 
     @Test
     public void testParseNullResults_ReturnsNull() {
-        List<SearchResult> results = mConverter.convertCursor(null, BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(mSiteMapManager, null, BASE_RANK);
         assertThat(results).isNull();
     }
 
     @Test
     public void testParseCursor_NotNull() {
-        List<SearchResult> results = mConverter.convertCursor(getDummyCursor(), BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(
+                mSiteMapManager, getDummyCursor(), BASE_RANK);
         assertThat(results).isNotNull();
     }
 
     @Test
     public void testParseCursor_MatchesRank() {
-        List<SearchResult> results = mConverter.convertCursor(getDummyCursor(), BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(
+                mSiteMapManager, getDummyCursor(), BASE_RANK);
         for (int i = 0; i < EXAMPLES; i++) {
             assertThat(results.get(i).rank).isEqualTo(BASE_RANK);
         }
@@ -89,7 +98,8 @@
 
     @Test
     public void testParseCursor_MatchesTitle() {
-        List<SearchResult> results = mConverter.convertCursor(getDummyCursor(), BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(
+                mSiteMapManager, getDummyCursor(), BASE_RANK);
         for (int i = 0; i < EXAMPLES; i++) {
             assertThat(results.get(i).title).isEqualTo(TITLES[i]);
         }
@@ -97,7 +107,8 @@
 
     @Test
     public void testParseCursor_MatchesSummary() {
-        List<SearchResult> results = mConverter.convertCursor(getDummyCursor(), BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(
+                mSiteMapManager, getDummyCursor(), BASE_RANK);
         for (int i = 0; i < EXAMPLES; i++) {
             assertThat(results.get(i).summary).isEqualTo(SUMMARY);
         }
@@ -105,7 +116,8 @@
 
     @Test
     public void testParseCursor_MatchesIcon() {
-        List<SearchResult> results = mConverter.convertCursor(getDummyCursor(), BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(
+                mSiteMapManager, getDummyCursor(), BASE_RANK);
         for (int i = 0; i < EXAMPLES; i++) {
             Drawable resultDrawable = results.get(i).icon;
             assertThat(resultDrawable).isNotNull();
@@ -116,7 +128,7 @@
     @Test
     public void testParseCursor_NoIcon() {
         List<SearchResult> results = mConverter.convertCursor(
-                getDummyCursor(false /* hasIcon */), BASE_RANK);
+                mSiteMapManager, getDummyCursor(false /* hasIcon */), BASE_RANK);
         for (int i = 0; i < EXAMPLES; i++) {
             Drawable resultDrawable = results.get(i).icon;
             assertThat(resultDrawable).isNull();
@@ -125,7 +137,8 @@
 
     @Test
     public void testParseCursor_MatchesPayloadType() {
-        List<SearchResult> results = mConverter.convertCursor(getDummyCursor(), BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(
+                mSiteMapManager, getDummyCursor(), BASE_RANK);
         ResultPayload payload;
         for (int i = 0; i < EXAMPLES; i++) {
             payload = results.get(i).payload;
@@ -152,7 +165,7 @@
                 0,       // Payload Type
                 null     // Payload
         });
-        List<SearchResult> results = mConverter.convertCursor(cursor, BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(mSiteMapManager, cursor, BASE_RANK);
         IntentPayload payload = (IntentPayload) results.get(0).payload;
         Intent intent = payload.intent;
         assertThat(intent.getComponent().getClassName()).isEqualTo(SubSettings.class.getName());
@@ -160,7 +173,8 @@
 
     @Test
     public void testParseCursor_MatchesIntentPayload() {
-        List<SearchResult> results = mConverter.convertCursor(getDummyCursor(), BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(
+                mSiteMapManager, getDummyCursor(), BASE_RANK);
         IntentPayload payload;
         for (int i = 0; i < EXAMPLES; i++) {
             payload = (IntentPayload) results.get(i).payload;
@@ -187,7 +201,7 @@
                 PayloadType.INTENT,    // Payload Type
                 null // Payload
         });
-        List<SearchResult> results = mConverter.convertCursor(cursor, BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(mSiteMapManager, cursor, BASE_RANK);
         IntentPayload payload = (IntentPayload) results.get(0).payload;
         Intent intent = payload.intent;
 
@@ -222,7 +236,7 @@
                 type,    // Payload Type
                 ResultPayloadUtils.marshall(payload) // Payload
         });
-        List<SearchResult> results = mConverter.convertCursor(cursor, BASE_RANK);
+        List<SearchResult> results = mConverter.convertCursor(mSiteMapManager, cursor, BASE_RANK);
         InlineSwitchPayload newPayload = (InlineSwitchPayload) results.get(0).payload;
 
         assertThat(newPayload.settingsUri).isEqualTo(uri);
diff --git a/tests/robotests/src/com/android/settings/search2/InstalledAppResultLoaderTest.java b/tests/robotests/src/com/android/settings/search2/InstalledAppResultLoaderTest.java
index 4f62a9e..e6397e1 100644
--- a/tests/robotests/src/com/android/settings/search2/InstalledAppResultLoaderTest.java
+++ b/tests/robotests/src/com/android/settings/search2/InstalledAppResultLoaderTest.java
@@ -22,10 +22,13 @@
 import android.content.pm.UserInfo;
 import android.os.UserManager;
 
+import com.android.settings.R;
 import com.android.settings.SettingsRobolectricTestRunner;
 import com.android.settings.TestConfig;
 import com.android.settings.applications.PackageManagerWrapper;
+import com.android.settings.dashboard.SiteMapManager;
 import com.android.settings.testutils.ApplicationTestUtils;
+import com.android.settings.testutils.FakeFeatureFactory;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -44,7 +47,12 @@
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 @RunWith(SettingsRobolectricTestRunner.class)
@@ -57,16 +65,24 @@
     private PackageManagerWrapper mPackageManagerWrapper;
     @Mock
     private UserManager mUserManager;
+    @Mock
+    private SiteMapManager mSiteMapManager;
 
     private InstalledAppResultLoader mLoader;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest(mContext);
+        FakeFeatureFactory factory = (FakeFeatureFactory) FakeFeatureFactory.getFactory(mContext);
+        when(factory.searchFeatureProvider.getSiteMapManager())
+                .thenReturn(mSiteMapManager);
         final List<UserInfo> infos = new ArrayList<>();
         infos.add(new UserInfo(1, "user 1", 0));
         when(mUserManager.getProfiles(anyInt())).thenReturn(infos);
         when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
+        when(mContext.getString(R.string.applications_settings))
+                .thenReturn("app");
         when(mPackageManagerWrapper.getInstalledApplicationsAsUser(anyInt(), anyInt()))
                 .thenReturn(Arrays.asList(
                         ApplicationTestUtils.buildInfo(0 /* uid */, "app1", FLAG_SYSTEM,
@@ -94,9 +110,14 @@
     public void query_matchingQuery_shouldReturnNonSystemApps() {
         final String query = "app";
 
-        mLoader = new InstalledAppResultLoader(mContext, mPackageManagerWrapper, query);
+        mLoader = spy(new InstalledAppResultLoader(mContext, mPackageManagerWrapper, query));
+        when(mLoader.getContext()).thenReturn(mContext);
+        when(mSiteMapManager.buildBreadCrumb(eq(mContext), anyString(), anyString()))
+                .thenReturn(Arrays.asList(new String[]{"123"}));
 
         assertThat(mLoader.loadInBackground().size()).isEqualTo(2);
+        verify(mSiteMapManager)
+                .buildBreadCrumb(eq(mContext), anyString(), anyString());
     }
 
     @Test
@@ -107,9 +128,12 @@
                                 0 /* targetSdkVersion */)));
         final String query = "app";
 
-        mLoader = new InstalledAppResultLoader(mContext, mPackageManagerWrapper, query);
+        mLoader = spy(new InstalledAppResultLoader(mContext, mPackageManagerWrapper, query));
+        when(mLoader.getContext()).thenReturn(mContext);
 
         assertThat(mLoader.loadInBackground().size()).isEqualTo(1);
+        verify(mSiteMapManager)
+                .buildBreadCrumb(eq(mContext), anyString(), anyString());
     }
 
     @Test
@@ -132,7 +156,7 @@
     }
 
     @Test
-    public void query_matchingQuery_shouldNOtReturnSystemAppIfNotLaunchable() {
+    public void query_matchingQuery_shouldNotReturnSystemAppIfNotLaunchable() {
         when(mPackageManagerWrapper.getInstalledApplicationsAsUser(anyInt(), anyInt()))
                 .thenReturn(Arrays.asList(
                         ApplicationTestUtils.buildInfo(0 /* uid */, "app1", FLAG_SYSTEM,
@@ -146,6 +170,8 @@
         mLoader = new InstalledAppResultLoader(mContext, mPackageManagerWrapper, query);
 
         assertThat(mLoader.loadInBackground()).isEmpty();
+        verify(mSiteMapManager, never())
+                .buildBreadCrumb(eq(mContext), anyString(), anyString());
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/search2/SearchFragmentTest.java b/tests/robotests/src/com/android/settings/search2/SearchFragmentTest.java
index 7a0bb54..2d4ac54 100644
--- a/tests/robotests/src/com/android/settings/search2/SearchFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/search2/SearchFragmentTest.java
@@ -17,6 +17,7 @@
 package com.android.settings.search2;
 
 import android.content.Context;
+import android.content.Loader;
 import android.os.Bundle;
 
 import com.android.internal.logging.nano.MetricsProto;
@@ -35,6 +36,9 @@
 import org.robolectric.annotation.Config;
 import org.robolectric.util.ActivityController;
 
+import java.util.List;
+
+import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyString;
 import static org.mockito.Matchers.eq;
@@ -97,6 +101,28 @@
     }
 
     @Test
+    public void screenRotateEmptyString_ShouldNotCrash() {
+        final Bundle bundle = new Bundle();
+        ActivityController<SearchActivity> activityController =
+                Robolectric.buildActivity(SearchActivity.class);
+        activityController.setup();
+        SearchFragment fragment = (SearchFragment) activityController.get().getFragmentManager()
+                .findFragmentById(R.id.main_content);
+
+        fragment.mQuery = "";
+
+        activityController.saveInstanceState(bundle).pause().stop().destroy();
+
+        activityController = Robolectric.buildActivity(SearchActivity.class);
+        activityController.setup(bundle);
+
+        verify(mFeatureFactory.searchFeatureProvider)
+                .getDatabaseSearchLoader(any(Context.class), anyString());
+        verify(mFeatureFactory.searchFeatureProvider)
+                .getInstalledAppSearchLoader(any(Context.class), anyString());
+    }
+
+    @Test
     public void queryTextChange_shouldTriggerLoader() {
         final String testQuery = "test";
         ActivityController<SearchActivity> activityController =
diff --git a/tests/robotests/src/com/android/settings/search2/SiteMapManagerTest.java b/tests/robotests/src/com/android/settings/search2/SiteMapManagerTest.java
new file mode 100644
index 0000000..b8ac8fe
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/search2/SiteMapManagerTest.java
@@ -0,0 +1,145 @@
+/*
+ * 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.search2;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.Bundle;
+
+import com.android.settings.SettingsActivity;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+import com.android.settings.dashboard.SiteMapManager;
+import com.android.settings.search.IndexDatabaseHelper;
+import com.android.settings.search.IndexDatabaseHelper.SiteMapColumns;
+import com.android.settings.system.SystemDashboardFragment;
+import com.android.settings.testutils.DatabaseTestUtils;
+import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settingslib.drawer.CategoryKey;
+import com.android.settingslib.drawer.DashboardCategory;
+import com.android.settingslib.drawer.Tile;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class SiteMapManagerTest {
+
+    private static final int STATIC_DB_DEPTH = 4;
+    private static final String CLASS_PREFIX = "class_";
+    private static final String TITLE_PREFIX = "title_";
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mMockContext;
+    private Context mContext;
+    private SQLiteDatabase mDb;
+    private SiteMapManager mSiteMapManager;
+    private FakeFeatureFactory mFeatureFactory;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        FakeFeatureFactory.setupForTest(mMockContext);
+        mFeatureFactory = (FakeFeatureFactory) FakeFeatureFactory.getFactory(mMockContext);
+
+        mContext = RuntimeEnvironment.application;
+        mDb = IndexDatabaseHelper.getInstance(mContext).getWritableDatabase();
+        buildDb();
+        mSiteMapManager = new SiteMapManager();
+    }
+
+    @After
+    public void cleanUp() {
+        DatabaseTestUtils.clearDb();
+    }
+
+    @Test
+    public void buildBreadCrumb_onlyFromSiteMapDb_breadcrumbShouldLinkUp() {
+        List<String> breadcrumb = mSiteMapManager.buildBreadCrumb(mContext,
+                CLASS_PREFIX + 0, TITLE_PREFIX + 0);
+        assertThat(breadcrumb.size()).isEqualTo(STATIC_DB_DEPTH + 1);
+        for (int i = 0; i < STATIC_DB_DEPTH; i++) {
+            assertThat(breadcrumb.get(i)).isEqualTo(TITLE_PREFIX + (STATIC_DB_DEPTH - i));
+        }
+    }
+
+    @Test
+    public void buildBreadCrumb_fromSiteMapDbAndDashboardProvider_breadcrumbShouldLinkUp() {
+        final String iaClass = SystemDashboardFragment.class.getName();
+        final String iaTitle = "ia_title";
+
+        ContentValues index = new ContentValues();
+        index.put(IndexDatabaseHelper.IndexColumns.CLASS_NAME, iaClass);
+        index.put(IndexDatabaseHelper.IndexColumns.SCREEN_TITLE, iaTitle);
+        mDb.replaceOrThrow(IndexDatabaseHelper.Tables.TABLE_PREFS_INDEX, null, index);
+
+        final DashboardCategory category = new DashboardCategory();
+        category.key = CategoryKey.CATEGORY_SYSTEM;
+        category.tiles.add(new Tile());
+        category.tiles.get(0).title = TITLE_PREFIX + STATIC_DB_DEPTH;
+        category.tiles.get(0).metaData = new Bundle();
+        category.tiles.get(0).metaData.putString(SettingsActivity.META_DATA_KEY_FRAGMENT_CLASS,
+                CLASS_PREFIX + STATIC_DB_DEPTH);
+        when(mFeatureFactory.dashboardFeatureProvider.getAllCategories())
+                .thenReturn(Arrays.asList(category));
+
+        final List<String> breadcrumb = mSiteMapManager.buildBreadCrumb(mContext,
+                CLASS_PREFIX + 0, TITLE_PREFIX + 0);
+
+        assertThat(breadcrumb.size()).isEqualTo(STATIC_DB_DEPTH + 2);
+        assertThat(breadcrumb.get(0))
+                .isEqualTo(iaTitle);
+    }
+
+    @Test
+    public void buildBreadCrumb_classNotIndexed_shouldNotHaveBreadCrumb() {
+        final String title = "wrong_title";
+
+        final List<String> breadcrumb = mSiteMapManager.buildBreadCrumb(mContext,
+                "wrong_class", title);
+
+        assertThat(breadcrumb.size()).isEqualTo(1);
+        assertThat(breadcrumb.get(0)).isEqualTo(title);
+    }
+
+    private void buildDb() {
+        for (int i = 0; i < STATIC_DB_DEPTH; i++) {
+            final ContentValues siteMapPair = new ContentValues();
+            siteMapPair.put(SiteMapColumns.DOCID, i);
+            siteMapPair.put(SiteMapColumns.PARENT_CLASS, CLASS_PREFIX + (i + 1));
+            siteMapPair.put(SiteMapColumns.PARENT_TITLE, TITLE_PREFIX + (i + 1));
+            siteMapPair.put(SiteMapColumns.CHILD_CLASS, CLASS_PREFIX + i);
+            siteMapPair.put(SiteMapColumns.CHILD_TITLE, TITLE_PREFIX + i);
+            mDb.replaceOrThrow(IndexDatabaseHelper.Tables.TABLE_SITE_MAP, null, siteMapPair);
+        }
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/webview/WebViewAppListAdapterTest.java b/tests/robotests/src/com/android/settings/webview/WebViewAppListAdapterTest.java
new file mode 100644
index 0000000..a8ab5d4
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/webview/WebViewAppListAdapterTest.java
@@ -0,0 +1,149 @@
+/*
+ * 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.webview;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyInt;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.UserInfo;
+
+import com.android.settings.R;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import java.util.Arrays;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class WebViewAppListAdapterTest {
+    private Context mContext = RuntimeEnvironment.application;
+
+    private final static UserInfo FIRST_USER = new UserInfo(0, "FIRST_USER", 0);
+    private final static UserInfo SECOND_USER = new UserInfo(0, "SECOND_USER", 0);
+
+    private final static String DEFAULT_PACKAGE_NAME = "DEFAULT_PACKAGE_NAME";
+
+    @Test
+    public void testDisabledReasonNullIfPackagesOk() {
+        UserPackageWrapper packageForFirstUser = mock(UserPackageWrapper.class);
+        when(packageForFirstUser.isEnabledPackage()).thenReturn(true);
+        when(packageForFirstUser.isInstalledPackage()).thenReturn(true);
+
+        UserPackageWrapper packageForSecondUser = mock(UserPackageWrapper.class);
+        when(packageForSecondUser.isEnabledPackage()).thenReturn(true);
+        when(packageForSecondUser.isInstalledPackage()).thenReturn(true);
+
+        WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+        when(wvusWrapper.getPackageInfosAllUsers(
+                any(), eq(DEFAULT_PACKAGE_NAME))).thenReturn(
+                        Arrays.asList(packageForFirstUser, packageForSecondUser));
+
+        assertThat(WebViewAppListAdapter.getDisabledReason(
+                wvusWrapper, mContext, DEFAULT_PACKAGE_NAME)).isNull();
+    }
+
+    @Test
+    public void testDisabledReasonForSingleUserDisabledPackage() {
+        UserPackageWrapper packageForFirstUser = mock(UserPackageWrapper.class);
+        when(packageForFirstUser.isEnabledPackage()).thenReturn(false);
+        when(packageForFirstUser.isInstalledPackage()).thenReturn(true);
+        when(packageForFirstUser.getUserInfo()).thenReturn(FIRST_USER);
+
+        WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+        when(wvusWrapper.getPackageInfosAllUsers(any(), eq(DEFAULT_PACKAGE_NAME)
+                )).thenReturn(Arrays.asList(packageForFirstUser));
+
+        assertThat(WebViewAppListAdapter.getDisabledReason(wvusWrapper, mContext,
+                DEFAULT_PACKAGE_NAME)).isEqualTo("Disabled for user " + FIRST_USER.name + "\n");
+    }
+
+    @Test
+    public void testDisabledReasonForSingleUserUninstalledPackage() {
+        UserPackageWrapper packageForFirstUser = mock(UserPackageWrapper.class);
+        when(packageForFirstUser.isEnabledPackage()).thenReturn(true);
+        when(packageForFirstUser.isInstalledPackage()).thenReturn(false);
+        when(packageForFirstUser.getUserInfo()).thenReturn(FIRST_USER);
+
+        WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+        when(wvusWrapper.getPackageInfosAllUsers(any(), eq(DEFAULT_PACKAGE_NAME)
+                )).thenReturn(Arrays.asList(packageForFirstUser));
+
+        assertThat(WebViewAppListAdapter.getDisabledReason(wvusWrapper, mContext,
+                DEFAULT_PACKAGE_NAME)).isEqualTo("Uninstalled for user " + FIRST_USER.name + "\n");
+    }
+
+    @Test
+    public void testDisabledReasonSeveralUsers() {
+        UserPackageWrapper packageForFirstUser = mock(UserPackageWrapper.class);
+        when(packageForFirstUser.isEnabledPackage()).thenReturn(false);
+        when(packageForFirstUser.isInstalledPackage()).thenReturn(true);
+        when(packageForFirstUser.getUserInfo()).thenReturn(FIRST_USER);
+
+        UserPackageWrapper packageForSecondUser = mock(UserPackageWrapper.class);
+        when(packageForSecondUser.isEnabledPackage()).thenReturn(true);
+        when(packageForSecondUser.isInstalledPackage()).thenReturn(false);
+        when(packageForSecondUser.getUserInfo()).thenReturn(SECOND_USER);
+
+        WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+        when(wvusWrapper.getPackageInfosAllUsers(any(), eq(DEFAULT_PACKAGE_NAME)
+                )).thenReturn(Arrays.asList(packageForFirstUser, packageForSecondUser));
+
+        final String EXPECTED_DISABLED_REASON = String.format(
+                "Disabled for user %s\nUninstalled for user %s\n",
+                FIRST_USER.name, SECOND_USER.name);
+        assertThat(WebViewAppListAdapter.getDisabledReason(
+                wvusWrapper, mContext,DEFAULT_PACKAGE_NAME)).isEqualTo(EXPECTED_DISABLED_REASON);
+    }
+
+    /**
+     * Ensure we only proclaim a package as uninstalled for a certain user if it's both uninstalled
+     * and disabled.
+     */
+    @Test
+    public void testDisabledReasonUninstalledAndDisabled() {
+        UserPackageWrapper packageForFirstUser = mock(UserPackageWrapper.class);
+        when(packageForFirstUser.isEnabledPackage()).thenReturn(false);
+        when(packageForFirstUser.isInstalledPackage()).thenReturn(false);
+        when(packageForFirstUser.getUserInfo()).thenReturn(FIRST_USER);
+
+        UserPackageWrapper packageForSecondUser = mock(UserPackageWrapper.class);
+        when(packageForSecondUser.isEnabledPackage()).thenReturn(true);
+        when(packageForSecondUser.isInstalledPackage()).thenReturn(true);
+        when(packageForSecondUser.getUserInfo()).thenReturn(SECOND_USER);
+
+        WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+        when(wvusWrapper.getPackageInfosAllUsers(any(), eq(DEFAULT_PACKAGE_NAME)
+                )).thenReturn(Arrays.asList(packageForFirstUser, packageForSecondUser));
+
+        final String EXPECTED_DISABLED_REASON = String.format(
+                "Uninstalled for user %s\n", FIRST_USER.name);
+        assertThat(WebViewAppListAdapter.getDisabledReason(wvusWrapper, mContext,
+                DEFAULT_PACKAGE_NAME)).isEqualTo(EXPECTED_DISABLED_REASON);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/webview/WebViewAppPickerTest.java b/tests/robotests/src/com/android/settings/webview/WebViewAppPickerTest.java
new file mode 100644
index 0000000..8ace8aa
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/webview/WebViewAppPickerTest.java
@@ -0,0 +1,109 @@
+/*
+ * 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.webview;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.robolectric.shadows.ShadowView.clickOn;
+import static org.robolectric.Shadows.shadowOf;
+
+import android.app.Activity;
+import android.content.pm.ApplicationInfo;
+import android.view.View;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import java.util.Arrays;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.Robolectric;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ActivityController;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class WebViewAppPickerTest {
+
+  private static final String DEFAULT_PACKAGE_NAME = "DEFAULT_PACKAGE_NAME";
+
+  private static ApplicationInfo createApplicationInfo(String packageName) {
+      ApplicationInfo ai = new ApplicationInfo();
+      ai.packageName = packageName;
+      return ai;
+  }
+
+  @Test
+  public void testClickingItemChangesProvider() {
+      ActivityController<WebViewAppPicker> controller =
+              Robolectric.buildActivity(WebViewAppPicker.class);
+      WebViewAppPicker webviewAppPicker = controller.get();
+
+      WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+      when(wvusWrapper.getValidWebViewApplicationInfos(any())).thenReturn(
+              Arrays.asList(createApplicationInfo(DEFAULT_PACKAGE_NAME)));
+      when(wvusWrapper.setWebViewProvider(eq(DEFAULT_PACKAGE_NAME))).thenReturn(true);
+
+      webviewAppPicker.setWebViewUpdateServiceWrapper(wvusWrapper);
+
+      controller.create().start().postCreate(null).resume().visible();
+      WebViewApplicationInfo firstItem =
+              (WebViewApplicationInfo) webviewAppPicker.getListView().getItemAtPosition(0);
+      assertThat(firstItem.info.packageName).isEqualTo(DEFAULT_PACKAGE_NAME);
+
+      webviewAppPicker.onListItemClick(webviewAppPicker.getListView(), null, 0, 0);
+
+      verify(wvusWrapper, times(1)).setWebViewProvider(eq(DEFAULT_PACKAGE_NAME));
+      assertThat(shadowOf(webviewAppPicker).getResultCode()).isEqualTo(Activity.RESULT_OK);
+      verify(wvusWrapper, never()).showInvalidChoiceToast(any());
+  }
+
+  @Test
+  public void testFailingPackageChangeReturnsCancelled() {
+      ActivityController<WebViewAppPicker> controller =
+              Robolectric.buildActivity(WebViewAppPicker.class);
+      WebViewAppPicker webviewAppPicker = controller.get();
+
+      WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+      when(wvusWrapper.getValidWebViewApplicationInfos(any())).thenReturn(
+              Arrays.asList(createApplicationInfo(DEFAULT_PACKAGE_NAME)));
+      when(wvusWrapper.setWebViewProvider(eq(DEFAULT_PACKAGE_NAME))).thenReturn(false);
+
+      webviewAppPicker.setWebViewUpdateServiceWrapper(wvusWrapper);
+
+      controller.create().start().postCreate(null).resume().visible();
+      WebViewApplicationInfo firstItem =
+              (WebViewApplicationInfo) webviewAppPicker.getListView().getItemAtPosition(0);
+      assertThat(firstItem.info.packageName).isEqualTo(DEFAULT_PACKAGE_NAME);
+
+      webviewAppPicker.onListItemClick(webviewAppPicker.getListView(), null, 0, 0);
+
+      verify(wvusWrapper, times(1)).setWebViewProvider(eq(DEFAULT_PACKAGE_NAME));
+      assertThat(shadowOf(webviewAppPicker).getResultCode()).isEqualTo(Activity.RESULT_CANCELED);
+      verify(wvusWrapper, times(1)).showInvalidChoiceToast(any());
+  }
+}
diff --git a/tests/robotests/src/com/android/settings/webview/WebViewAppPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/webview/WebViewAppPreferenceControllerTest.java
new file mode 100644
index 0000000..e0a32a4
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/webview/WebViewAppPreferenceControllerTest.java
@@ -0,0 +1,83 @@
+/*
+ * 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.webview;
+
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class WebViewAppPreferenceControllerTest {
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+    @Mock
+    private Preference mPreference;
+
+    private static final String DEFAULT_PACKAGE_NAME = "DEFAULT_PACKAGE_NAME";
+
+    @Before public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        when(mPreferenceScreen.findPreference(any())).thenReturn(mPreference);
+    }
+
+    @Test public void testOnActivityResultUpdatesStateOnSuccess() {
+        WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+        WebViewAppPreferenceController controller =
+                spy(new WebViewAppPreferenceController(mContext, wvusWrapper));
+
+        controller.displayPreference(mPreferenceScreen); // Makes sure Preference is non-null
+        controller.onActivityResult(Activity.RESULT_OK, new Intent(DEFAULT_PACKAGE_NAME));
+        verify(controller, times(1)).updateState(any());
+    }
+
+    @Test public void testOnActivityResultWithFailure() {
+        WebViewUpdateServiceWrapper wvusWrapper = mock(WebViewUpdateServiceWrapper.class);
+
+        WebViewAppPreferenceController controller =
+                spy(new WebViewAppPreferenceController(mContext, wvusWrapper));
+
+        controller.displayPreference(mPreferenceScreen); // Makes sure Preference is non-null
+        controller.onActivityResult(Activity.RESULT_CANCELED, new Intent(DEFAULT_PACKAGE_NAME));
+        verify(controller, times(1)).updateState(any());
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/wifi/SavedNetworkPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/SavedNetworkPreferenceControllerTest.java
deleted file mode 100644
index 657c21e..0000000
--- a/tests/robotests/src/com/android/settings/wifi/SavedNetworkPreferenceControllerTest.java
+++ /dev/null
@@ -1,71 +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.wifi;
-
-import android.content.Context;
-import android.net.wifi.WifiConfiguration;
-import android.net.wifi.WifiManager;
-
-import com.android.settings.SettingsRobolectricTestRunner;
-import com.android.settings.TestConfig;
-
-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 java.util.List;
-
-import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
-public class SavedNetworkPreferenceControllerTest {
-
-    @Mock
-    private Context mContext;
-    @Mock
-    private WifiManager mWifiManager;
-
-    private SavedNetworkPreferenceController mController;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-
-        mController = new SavedNetworkPreferenceController(mContext, mWifiManager);
-    }
-
-    @Test
-    public void isAvailable_noSavedNetwork_shouldReturnFalse() {
-        when(mWifiManager.getConfiguredNetworks()).thenReturn(null);
-        assertThat(mController.isAvailable()).isFalse();
-    }
-
-    @Test
-    public void isAvailable_hasSavedNetwork_shouldReturnTrue() {
-        List<WifiConfiguration> configs = mock(List.class);
-        when(configs.isEmpty()).thenReturn(false);
-        when(mWifiManager.getConfiguredNetworks()).thenReturn(configs);
-
-        assertThat(mController.isAvailable()).isTrue();
-    }
-}
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());
+    }
+}