diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 663f2b86f2d..f5c368f1ff6 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -109,7 +109,7 @@
         <!-- Settings -->
 
         <activity android:name="Settings"
-                android:taskAffinity="com.android.settings"
+                android:taskAffinity="com.android.settings.root"
                 android:label="@string/settings_label_launcher"
                 android:launchMode="singleTask">
             <intent-filter android:priority="1">
@@ -122,7 +122,7 @@
 
         <!-- Alias for launcher activity only, as this belongs to each profile. -->
         <activity-alias android:name="Settings"
-                android:taskAffinity="com.android.settings"
+                android:taskAffinity="com.android.settings.root"
                 android:label="@string/settings_label_launcher"
                 android:launchMode="singleTask"
                 android:targetActivity="Settings">
@@ -143,8 +143,7 @@
 
         <activity android:name=".SubSettings"
                 android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings">
-        </activity>
+                android:parentActivityName="Settings" />
 
         <activity android:name=".shortcut.CreateShortcut"
                   android:label="@string/settings_shortcut">
@@ -155,11 +154,12 @@
         </activity>
 
         <!-- Wireless Controls -->
-        <activity android:name=".Settings$NetworkDashboardActivity"
-            android:taskAffinity="com.android.settings"
+        <activity
+            android:name=".Settings$NetworkDashboardActivity"
             android:label="@string/network_dashboard_title"
             android:icon="@drawable/ic_homepage_network"
-            android:parentActivityName="Settings">
+            android:parentActivityName="Settings"
+            android:taskAffinity="com.android.settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.WIRELESS_SETTINGS" />
                 <action android:name="android.settings.AIRPLANE_MODE_SETTINGS" />
@@ -181,15 +181,20 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name=".Settings$ConnectedDeviceDashboardActivity"
-            android:taskAffinity="com.android.settings"
+        <activity
+            android:name=".Settings$ConnectedDeviceDashboardActivity"
             android:label="@string/connected_devices_dashboard_title"
             android:icon="@drawable/ic_homepage_connected_device"
+            android:taskAffinity="com.android.settings"
             android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.NFC_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
+            <intent-filter android:priority="1">
+                <action android:name="android.settings.BLUETOOTH_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" />
@@ -206,12 +211,13 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name=".Settings$ConnectedDeviceDashboardActivityOld"
-                  android:enabled="false"
-                  android:taskAffinity="com.android.settings"
-                  android:label="@string/connected_devices_dashboard_title"
-                  android:icon="@drawable/ic_homepage_connected_device"
-                  android:parentActivityName="Settings">
+        <activity
+            android:name=".Settings$ConnectedDeviceDashboardActivityOld"
+            android:enabled="false"
+            android:label="@string/connected_devices_dashboard_title"
+            android:icon="@drawable/ic_homepage_connected_device"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.NFC_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -253,13 +259,13 @@
             </intent-filter>
         </activity>
 
-        <!-- Top-level settings -->
-
-        <activity android:name="Settings$WifiSettingsActivity"
-                android:taskAffinity=""
-                android:label="@string/wifi_settings"
-                android:icon="@drawable/ic_settings_wireless"
-                android:configChanges="orientation|keyboardHidden|screenSize">
+        <activity
+            android:name="Settings$WifiSettingsActivity"
+            android:label="@string/wifi_settings"
+            android:icon="@drawable/ic_settings_wireless"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.WIFI_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -278,21 +284,10 @@
                        android:value="content://com.android.settings.slices/wifi" />
         </activity>
 
-        <!-- Keep compatibility with old shortcuts. -->
-        <activity-alias android:name=".wifi.WifiSettings"
-                android:taskAffinity="com.android.settings"
-                android:label="@string/wifi_settings"
-                android:icon="@drawable/ic_settings_wireless"
-                android:targetActivity="Settings$WifiSettingsActivity"
-                android:configChanges="orientation|keyboardHidden|screenSize"
-                android:exported="true">
-            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="com.android.settings.wifi.WifiSettings" />
-        </activity-alias>
-
-        <activity android:name=".wifi.WifiPickerActivity"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings">
+        <activity
+            android:name=".wifi.WifiPickerActivity"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.net.wifi.PICK_WIFI_NETWORK" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -305,12 +300,13 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$ConfigureWifiSettingsActivity"
-                android:taskAffinity="com.android.settings"
-                android:label="@string/wifi_configure_settings_preference_title"
-                android:icon="@drawable/ic_settings_wireless"
-                android:configChanges="orientation|keyboardHidden|screenSize"
-                android:parentActivityName="Settings$WifiSettingsActivity">
+        <activity
+            android:name="Settings$ConfigureWifiSettingsActivity"
+            android:label="@string/wifi_configure_settings_preference_title"
+            android:icon="@drawable/ic_settings_wireless"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.WIFI_IP_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -326,12 +322,13 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$SavedAccessPointsSettingsActivity"
-                android:taskAffinity="com.android.settings"
-                android:label="@string/wifi_saved_access_points_label"
-                android:icon="@drawable/ic_settings_wireless"
-                android:configChanges="orientation|keyboardHidden|screenSize"
-                android:parentActivityName="Settings$WifiSettingsActivity">
+        <activity
+            android:name="Settings$SavedAccessPointsSettingsActivity"
+            android:label="@string/wifi_saved_access_points_label"
+            android:icon="@drawable/ic_settings_wireless"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.WIFI_SAVED_NETWORK_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -346,9 +343,7 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name=".Settings$WifiInfoActivity"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$WifiSettingsActivity">
+        <activity android:name=".Settings$WifiInfoActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.DEVELOPMENT_PREFERENCE" />
@@ -358,9 +353,7 @@
                        android:value="com.android.settings.wifi.WifiInfo" />
         </activity>
 
-        <activity android:name=".wifi.WifiConfigInfo"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$WifiSettingsActivity">
+        <activity android:name=".wifi.WifiConfigInfo">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.DEVELOPMENT_PREFERENCE" />
@@ -428,14 +421,13 @@
                        android:value="com.android.settings.ApnSettings" />
         </activity>
 
-        <activity android:name="Settings$BluetoothSettingsActivity"
-                android:label="@string/bluetooth_settings_title"
-                android:icon="@drawable/ic_settings_bluetooth"
-                android:taskAffinity="">
-            <intent-filter android:priority="1">
-                <action android:name="android.settings.BLUETOOTH_SETTINGS" />
-                <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
+        <activity
+            android:name="Settings$BluetoothSettingsActivity"
+            android:label="@string/bluetooth_settings_title"
+            android:icon="@drawable/ic_settings_bluetooth"
+            android:enabled="false"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
@@ -446,10 +438,19 @@
                 android:value="com.android.settings.bluetooth.BluetoothSettings" />
         </activity>
 
+        <!-- Keep compatibility with old shortcuts. -->
+        <activity-alias android:name=".bluetooth.BluetoothSettings"
+                        android:label="@string/bluetooth_settings_title"
+                        android:targetActivity="Settings$BluetoothSettingsActivity"
+                        android:exported="true"
+                        android:clearTaskOnLaunch="true">
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                       android:value="com.android.settings.bluetooth.BluetoothSettings" />
+        </activity-alias>
+
         <activity android:name="Settings$AssistGestureSettingsActivity"
             android:label="@string/assist_gesture_title"
-            android:icon="@drawable/ic_settings_gestures"
-            android:taskAffinity="">
+            android:icon="@drawable/ic_settings_gestures">
             <intent-filter>
                 <action android:name="android.settings.ASSIST_GESTURE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -458,16 +459,6 @@
                 android:value="com.android.settings.gestures.AssistGestureSettings" />
         </activity>
 
-        <!-- Keep compatibility with old shortcuts. -->
-        <activity-alias android:name=".bluetooth.BluetoothSettings"
-                android:label="@string/bluetooth_settings_title"
-                android:targetActivity="Settings$BluetoothSettingsActivity"
-                android:exported="true"
-                android:clearTaskOnLaunch="true">
-            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="com.android.settings.bluetooth.BluetoothSettings" />
-        </activity-alias>
-
         <activity android:name=".bluetooth.DevicePickerActivity"
                 android:label="@string/device_picker"
                 android:clearTaskOnLaunch="true">
@@ -492,10 +483,12 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$TetherSettingsActivity"
-                android:label="@string/tether_settings_title_all"
-                android:icon="@drawable/ic_settings_wireless"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$TetherSettingsActivity"
+            android:label="@string/tether_settings_title_all"
+            android:icon="@drawable/ic_settings_wireless"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -517,8 +510,8 @@
         </activity-alias>
 
         <activity android:name="Settings$WifiP2pSettingsActivity"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$WifiSettingsActivity">
+                  android:taskAffinity="com.android.settings"
+                  android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -528,11 +521,12 @@
                 android:value="com.android.settings.wifi.p2p.WifiP2pSettings" />
         </activity>
 
-
-        <activity android:name="Settings$VpnSettingsActivity"
-                android:label="@string/vpn_settings_title"
-                android:icon="@drawable/ic_settings_wireless"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$VpnSettingsActivity"
+            android:label="@string/vpn_settings_title"
+            android:icon="@drawable/ic_settings_wireless"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.VPN_SETTINGS" />
                 <action android:name="android.net.vpn.SETTINGS" />
@@ -550,10 +544,12 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$DateTimeSettingsActivity"
-                android:label="@string/date_and_time"
-                android:icon="@drawable/ic_settings_date_time"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$DateTimeSettingsActivity"
+            android:label="@string/date_and_time"
+            android:icon="@drawable/ic_settings_date_time"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.DATE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -575,11 +571,12 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$LocalePickerActivity"
-                android:label="@string/language_picker_title"
-                android:icon="@drawable/ic_settings_language"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$LanguageAndInputSettingsActivity">
+        <activity
+            android:name="Settings$LocalePickerActivity"
+            android:label="@string/language_picker_title"
+            android:icon="@drawable/ic_settings_language"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings$LanguageAndInputSettingsActivity">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.LOCALE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -595,11 +592,12 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name=".Settings$LanguageAndInputSettingsActivity"
+        <activity
+            android:name=".Settings$LanguageAndInputSettingsActivity"
             android:label="@string/language_settings"
             android:icon="@drawable/ic_settings_language"
             android:taskAffinity="com.android.settings"
-            android:parentActivityName="Settings$SystemDashboardActivity">
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
@@ -628,10 +626,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$ManageAssistActivity"
-                android:label="@string/assist_and_voice_input_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$ManageApplicationsActivity">
+        <activity
+            android:name="Settings$ManageAssistActivity"
+            android:label="@string/assist_and_voice_input_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.VOICE_INPUT_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -680,10 +679,11 @@
                 android:value="com.android.settings.language.LanguageAndInputSettings" />
         </activity-alias>
 
-        <activity android:name="Settings$SpellCheckersSettingsActivity"
-                android:label="@string/spellcheckers_settings_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$LanguageAndInputSettingsActivity">
+        <activity
+            android:name="Settings$SpellCheckersSettingsActivity"
+            android:label="@string/spellcheckers_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
@@ -709,10 +709,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$UserDictionarySettingsActivity"
-                android:label="@string/user_dict_settings_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$LanguageAndInputSettingsActivity">
+        <activity
+            android:name="Settings$UserDictionarySettingsActivity"
+            android:label="@string/user_dict_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.USER_DICTIONARY_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -751,11 +752,13 @@
                 android:value="com.android.settings.UserDictionarySettings" />
         </activity-alias>
 
-        <activity android:name="Settings$ZenModeSettingsActivity"
-                android:label="@string/zen_mode_settings_title"
-                android:icon="@drawable/ic_settings_notifications"
-                android:exported="true"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$ZenModeSettingsActivity"
+            android:label="@string/zen_mode_settings_title"
+            android:icon="@drawable/ic_settings_notifications"
+            android:exported="true"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ZEN_MODE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -771,11 +774,13 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$ZenModeBehaviorSettingsActivity"
-                android:label="@string/zen_mode_behavior_settings_title"
-                android:icon="@drawable/ic_settings_notifications"
-                android:exported="true"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$ZenModeBehaviorSettingsActivity"
+            android:label="@string/zen_mode_behavior_settings_title"
+            android:icon="@drawable/ic_settings_notifications"
+            android:exported="true"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ZEN_MODE_PRIORITY_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -786,11 +791,13 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$ZenModeAutomationSettingsActivity"
-                  android:label="@string/zen_mode_automation_settings_title"
-                  android:icon="@drawable/ic_settings_notifications"
-                  android:exported="true"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$ZenModeAutomationSettingsActivity"
+            android:label="@string/zen_mode_automation_settings_title"
+            android:icon="@drawable/ic_settings_notifications"
+            android:exported="true"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ZEN_MODE_AUTOMATION_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -807,8 +814,7 @@
 
         <activity android:name="Settings$WallpaperSettingsActivity"
                   android:label="@string/wallpaper_settings_fragment_title"
-                  android:icon="@drawable/ic_wallpaper"
-                  android:taskAffinity="">
+                  android:icon="@drawable/ic_wallpaper">
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
                        android:value="com.android.settings.wallpaper.WallpaperTypeSettings" />
         </activity>
@@ -850,9 +856,11 @@
                        android:resource="@string/new_device_suggestion_summary" />
         </activity>
 
-        <activity android:name="Settings$ZenModeScheduleRuleSettingsActivity"
-                android:exported="true"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$ZenModeScheduleRuleSettingsActivity"
+            android:exported="true"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ZEN_MODE_SCHEDULE_RULE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -867,9 +875,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$ZenModeEventRuleSettingsActivity"
-                android:exported="true"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$ZenModeEventRuleSettingsActivity"
+            android:exported="true"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ZEN_MODE_EVENT_RULE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -884,9 +894,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$ZenModeExternalRuleSettingsActivity"
-                android:exported="true"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$ZenModeExternalRuleSettingsActivity"
+            android:exported="true"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ZEN_MODE_EXTERNAL_RULE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -901,10 +913,12 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$DisplaySettingsActivity"
-                android:label="@string/display_settings"
-                android:icon="@drawable/ic_homepage_display"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$DisplaySettingsActivity"
+            android:label="@string/display_settings"
+            android:icon="@drawable/ic_homepage_display"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="com.android.settings.DISPLAY_SETTINGS" />
                 <action android:name="android.settings.DISPLAY_SETTINGS" />
@@ -938,11 +952,13 @@
                 android:value="com.android.settings.DisplaySettings" />
         </activity-alias>
 
-        <activity android:name="Settings$NightDisplaySettingsActivity"
-                android:label="@string/night_display_title"
-                android:enabled="@*android:bool/config_nightDisplayAvailable"
-                android:icon="@drawable/ic_settings_night_display"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$NightDisplaySettingsActivity"
+            android:label="@string/night_display_title"
+            android:enabled="@*android:bool/config_nightDisplayAvailable"
+            android:icon="@drawable/ic_settings_night_display"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -958,9 +974,9 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$NightDisplaySuggestionActivity"
+        <activity
+            android:name="Settings$NightDisplaySuggestionActivity"
             android:enabled="@*android:bool/config_nightDisplayAvailable"
-            android:taskAffinity=""
             android:icon="@drawable/ic_settings_night_display">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -978,11 +994,13 @@
                 android:value="com.android.settings.display.NightDisplaySettings" />
         </activity>
 
-        <activity android:name="Settings$DeviceInfoSettingsActivity"
-                android:label="@string/device_info_settings"
-                android:icon="@drawable/ic_settings_about"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings">
+        <activity
+            android:name="Settings$DeviceInfoSettingsActivity"
+            android:label="@string/device_info_settings"
+            android:icon="@drawable/ic_settings_about"
+            android:taskAffinity="com.android.settings"
+            android:enabled="false"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.DEVICE_INFO_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1005,7 +1023,6 @@
                 android:value="true" />
         </activity>
 
-
         <activity android:name=".Settings$MyDeviceInfoActivity"
                   android:label="@string/device_info_settings"
                   android:icon="@drawable/ic_settings_about"
@@ -1034,10 +1051,12 @@
                        android:value="true" />
         </activity>
 
-        <activity android:name="SettingsLicenseActivity"
-                android:label="@string/settings_license_activity_title"
-                android:theme="@android:style/Theme.DeviceDefault.Light.Panel"
-                android:configChanges="orientation|screenSize">
+        <activity
+            android:name="SettingsLicenseActivity"
+            android:label="@string/settings_license_activity_title"
+            android:configChanges="orientation|screenSize"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.LICENSE" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1046,9 +1065,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$ManageApplicationsActivity"
-                android:label="@string/applications_settings"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$ManageApplicationsActivity"
+            android:label="@string/applications_settings"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.APPLICATION_SETTINGS" />
                 <action android:name="android.settings.MANAGE_APPLICATIONS_SETTINGS" />
@@ -1067,10 +1088,20 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$ManageDomainUrlsActivity"
-                  android:taskAffinity="com.android.settings"
-                  android:label="@string/domain_urls_title"
-                  android:icon="@drawable/ic_settings_memory">
+        <!-- Keep compatibility with old shortcuts. -->
+        <activity-alias android:name=".applications.ManageApplications"
+                        android:label="@string/applications_settings"
+                        android:exported="true"
+                        android:targetActivity="Settings$ManageApplicationsActivity">
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                       android:value="com.android.settings.applications.manageapplications.ManageApplications" />
+        </activity-alias>
+
+        <activity
+            android:name="Settings$ManageDomainUrlsActivity"
+            android:label="@string/domain_urls_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.settings.MANAGE_DOMAIN_URLS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1081,8 +1112,7 @@
 
         <activity android:name="Settings$MemorySettingsActivity"
                 android:label="@string/memory_settings_title"
-                android:icon="@drawable/ic_settings_memory"
-                android:taskAffinity="">
+                android:icon="@drawable/ic_settings_memory">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="com.android.settings.SHORTCUT" />
@@ -1102,9 +1132,11 @@
                        android:value="com.android.settings.applications.ProcessStatsUi" />
         </activity>
 
-        <activity android:name="Settings$HighPowerApplicationsActivity"
-                android:label="@string/high_power_apps"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$HighPowerApplicationsActivity"
+            android:label="@string/high_power_apps"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.IGNORE_BATTERY_OPTIMIZATION_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1115,9 +1147,9 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name=".datausage.AppDataUsageActivity"
-                android:taskAffinity=""
-                android:noHistory="true">
+        <activity
+            android:name=".datausage.AppDataUsageActivity"
+            android:noHistory="true">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.IGNORE_BACKGROUND_DATA_RESTRICTIONS_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1125,10 +1157,10 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".fuelgauge.RequestIgnoreBatteryOptimizations"
-                android:label="@string/high_power_apps"
-                android:taskAffinity=""
-                android:theme="@*android:style/Theme.DeviceDefault.Light.Dialog.Alert">
+        <activity
+            android:name=".fuelgauge.RequestIgnoreBatteryOptimizations"
+            android:label="@string/high_power_apps"
+            android:theme="@*android:style/Theme.DeviceDefault.Light.Dialog.Alert">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1136,15 +1168,6 @@
             </intent-filter>
         </activity>
 
-        <!-- Keep compatibility with old shortcuts. -->
-        <activity-alias android:name=".applications.ManageApplications"
-                android:label="@string/applications_settings"
-                android:exported="true"
-                android:targetActivity="Settings$ManageApplicationsActivity">
-            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="com.android.settings.applications.manageapplications.ManageApplications" />
-        </activity-alias>
-
         <!-- Provide direct entry into manage apps showing running services.
              This is for compatibility with old shortcuts. -->
         <activity-alias android:name=".RunningServices"
@@ -1170,10 +1193,7 @@
              InstalledAppDetails. -->
         <activity android:name=".applications.InstalledAppDetailsTop"
                   android:label="@string/application_info_label"
-                  android:exported="true"
-                  android:taskAffinity=""
-                  android:parentActivityName="Settings$ManageApplicationsActivity">
-        </activity>
+                  android:exported="true" />
 
         <!-- Keep compatibility with old shortcuts. -->
         <activity-alias android:name=".applications.InstalledAppDetails"
@@ -1205,10 +1225,11 @@
         </activity>
 
         <!-- Provide direct entry into manage apps showing storage usage of apps. -->
-        <activity android:name="Settings$StorageUseActivity"
-                android:label="@string/storageuse_settings_title"
-                android:taskAffinity=""
-                android:parentActivityName="Settings">
+        <activity
+            android:name="Settings$StorageUseActivity"
+            android:label="@string/storageuse_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.intent.action.MANAGE_PACKAGE_STORAGE" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1225,9 +1246,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$NotificationStationActivity"
-                android:label="@string/notification_log_title"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$NotificationStationActivity"
+            android:label="@string/notification_log_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1249,7 +1272,6 @@
 
         <activity android:name="Settings$BackgroundCheckSummaryActivity"
                 android:label="@string/background_check_title"
-                android:taskAffinity=""
                 android:enabled="false">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -1259,11 +1281,13 @@
                 android:value="com.android.settings.applications.BackgroundCheckSummary" />
         </activity>
 
-        <activity android:name="Settings$LocationSettingsActivity"
-                android:label="@string/location_settings_title"
-                android:icon="@drawable/ic_settings_location"
-                android:configChanges="orientation|keyboardHidden|screenSize"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$LocationSettingsActivity"
+            android:label="@string/location_settings_title"
+            android:icon="@drawable/ic_settings_location"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.LOCATION_SOURCE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1280,12 +1304,13 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name=".Settings$SecurityDashboardActivity"
-                android:label="@string/security_settings_title"
-                android:icon="@drawable/ic_homepage_security"
-                android:configChanges="orientation|keyboardHidden|screenSize"
-                android:taskAffinity=""
-                android:parentActivityName="Settings">
+        <activity
+            android:name=".Settings$SecurityDashboardActivity"
+            android:label="@string/security_settings_title"
+            android:icon="@drawable/ic_homepage_security"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.SECURITY_SETTINGS" />
                 <action android:name="android.credentials.UNLOCK" />
@@ -1322,10 +1347,12 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$TrustedCredentialsSettingsActivity"
-                android:label="@string/trusted_credentials"
-                android:icon="@drawable/ic_settings_security"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$TrustedCredentialsSettingsActivity"
+            android:label="@string/trusted_credentials"
+            android:icon="@drawable/ic_settings_security"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="com.android.settings.TRUSTED_CREDENTIALS" />
                 <action android:name="com.android.settings.TRUSTED_CREDENTIALS_USER" />
@@ -1356,8 +1383,7 @@
 
         <activity android:name="SetFullBackupPassword"
                   android:label="@string/local_backup_password_title"
-                android:exported="false">
-        </activity>
+                  android:exported="false" />
 
         <activity android:name="CredentialStorage"
                 android:theme="@style/Transparent"
@@ -1371,10 +1397,11 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$DeviceAdminSettingsActivity"
-                android:label="@string/device_admin_settings_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName=".Settings$SecurityDashboardActivity">
+        <activity
+            android:name="Settings$DeviceAdminSettingsActivity"
+            android:label="@string/device_admin_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1402,10 +1429,20 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$UsageAccessSettingsActivity"
-                android:label="@string/usage_access_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName=".Settings$SecurityDashboardActivity">
+        <activity-alias android:name="SetProfileOwner"
+                        android:label="@string/profile_owner_add_title"
+                        android:targetActivity="DeviceAdminAdd">
+            <intent-filter android:priority="1000">
+                <action android:name="android.app.action.SET_PROFILE_OWNER" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity-alias>
+
+        <activity
+            android:name="Settings$UsageAccessSettingsActivity"
+            android:label="@string/usage_access_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.USAGE_ACCESS_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1418,15 +1455,6 @@
                 android:value="com.android.settings.applications.manageapplications.ManageApplications" />
         </activity>
 
-        <activity-alias android:name="SetProfileOwner"
-                android:label="@string/profile_owner_add_title"
-                android:targetActivity="DeviceAdminAdd">
-            <intent-filter android:priority="1000">
-                <action android:name="android.app.action.SET_PROFILE_OWNER" />
-                <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
-        </activity-alias>
-
         <activity android:name="Settings$IccLockSettingsActivity"
                 android:label="@string/sim_lock_settings"
                 android:process="com.android.phone">
@@ -1439,11 +1467,13 @@
                 android:value="com.android.settings.IccLockSettings" />
         </activity>
 
-        <activity android:name="Settings$AccessibilitySettingsActivity"
-                android:label="@string/accessibility_settings"
-                android:icon="@drawable/ic_homepage_accessibility"
-                android:configChanges="orientation|keyboardHidden|screenSize"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$AccessibilitySettingsActivity"
+            android:label="@string/accessibility_settings"
+            android:icon="@drawable/ic_homepage_accessibility"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ACCESSIBILITY_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1490,10 +1520,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$AccessibilityDaltonizerSettingsActivity"
-                android:label="@string/accessibility_display_daltonizer_preference_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$AccessibilitySettingsActivity">
+        <activity
+            android:name="Settings$AccessibilityDaltonizerSettingsActivity"
+            android:label="@string/accessibility_display_daltonizer_preference_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="com.android.settings.ACCESSIBILITY_COLOR_SPACE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1508,10 +1539,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$CaptioningSettingsActivity"
-                android:label="@string/accessibility_captioning_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$AccessibilitySettingsActivity">
+        <activity
+            android:name="Settings$CaptioningSettingsActivity"
+            android:label="@string/accessibility_captioning_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.CAPTIONING_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1526,10 +1558,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$TextToSpeechSettingsActivity"
-                android:label="@string/tts_settings"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$LanguageAndInputSettingsActivity">
+        <activity
+            android:name="Settings$TextToSpeechSettingsActivity"
+            android:label="@string/tts_settings"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="com.android.settings.TTS_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1540,10 +1573,11 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$EnterprisePrivacySettingsActivity"
-                android:label="@string/enterprise_privacy_settings"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName=".Settings$SecurityDashboardActivity">
+        <activity
+            android:name="Settings$EnterprisePrivacySettingsActivity"
+            android:label="@string/enterprise_privacy_settings"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.settings.ENTERPRISE_PRIVACY_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1552,8 +1586,6 @@
                 android:value="com.android.settings.enterprise.EnterprisePrivacySettings" />
         </activity>
 
-        <!-- Second and third-level settings -->
-
         <!-- Lock screen settings -->
         <activity android:name=".password.ConfirmDeviceCredentialActivity"
             android:exported="true"
@@ -1769,11 +1801,12 @@
         <activity android:name=".EncryptionInterstitial"
             android:theme="@style/GlifTheme.Light" />
 
-        <activity android:name=".Settings$StorageDashboardActivity"
-                android:label="@string/storage_settings"
-                android:icon="@drawable/ic_homepage_storage"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings">
+        <activity
+            android:name=".Settings$StorageDashboardActivity"
+            android:label="@string/storage_settings"
+            android:icon="@drawable/ic_homepage_storage"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.INTERNAL_STORAGE_SETTINGS" />
                 <action android:name="android.settings.MEMORY_CARD_SETTINGS" />
@@ -1797,18 +1830,18 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$PrivateVolumeSettingsActivity"
-                android:label="@string/storage_settings_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$StorageDashboardActivity">
+        <activity
+            android:name="Settings$PrivateVolumeSettingsActivity"
+            android:label="@string/storage_settings_title">
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="com.android.settings.deviceinfo.PrivateVolumeSettings" />
+                       android:value="com.android.settings.deviceinfo.PrivateVolumeSettings" />
         </activity>
 
-        <activity android:name="Settings$PublicVolumeSettingsActivity"
-                android:label="@string/storage_settings_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$StorageDashboardActivity">
+        <activity
+            android:name="Settings$PublicVolumeSettingsActivity"
+            android:label="@string/storage_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.provider.action.DOCUMENT_ROOT_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1821,12 +1854,11 @@
                 android:value="com.android.settings.deviceinfo.PublicVolumeSettings" />
         </activity>
 
-        <activity android:name="Settings$PrivateVolumeForgetActivity"
-                android:label="@string/storage_settings_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$StorageDashboardActivity"
-                android:exported="true"
-                android:permission="android.permission.MOUNT_UNMOUNT_FILESYSTEMS">
+        <activity
+            android:name="Settings$PrivateVolumeForgetActivity"
+            android:label="@string/storage_settings_title"
+            android:exported="true"
+            android:permission="android.permission.MOUNT_UNMOUNT_FILESYSTEMS">
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
                 android:value="com.android.settings.deviceinfo.PrivateVolumeForget" />
         </activity>
@@ -1898,12 +1930,13 @@
                        android:value="com.android.settings.ApnEditor" />
         </activity>
 
-        <activity android:name="Settings$DevelopmentSettingsDashboardActivity"
-                  android:label="@string/development_settings_title"
-                  android:icon="@drawable/ic_settings_development"
-                  android:taskAffinity="com.android.settings"
-                  android:parentActivityName="Settings"
-                  android:enabled="false">
+        <activity
+            android:name="Settings$DevelopmentSettingsDashboardActivity"
+            android:label="@string/development_settings_title"
+            android:icon="@drawable/ic_settings_development"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings"
+            android:enabled="false">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.APPLICATION_DEVELOPMENT_SETTINGS" />
                 <action android:name="com.android.settings.APPLICATION_DEVELOPMENT_SETTINGS" />
@@ -1936,11 +1969,12 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$PrintSettingsActivity"
-                android:label="@string/print_settings"
-                android:icon="@drawable/ic_settings_print"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings">
+        <activity
+            android:name="Settings$PrintSettingsActivity"
+            android:label="@string/print_settings"
+            android:icon="@drawable/ic_settings_print"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ACTION_PRINT_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -1977,10 +2011,7 @@
                   android:theme="@android:style/Theme.DeviceDefault.Light.Dialog" />
 
         <activity android:name="Settings$WebViewAppPickerActivity"
-                  android:label="@string/select_webview_provider_dialog_title">
-        </activity>
-
-        <!-- Bluetooth stuff -->
+                  android:label="@string/select_webview_provider_dialog_title" />
 
         <activity android:name=".bluetooth.BluetoothPairingDialog"
                   android:excludeFromRecents="true"
@@ -2085,10 +2116,11 @@
         </activity>
 
         <!-- NFC settings -->
-        <activity android:name="Settings$AndroidBeamSettingsActivity"
-                android:label="@string/android_beam_settings_title"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings$ConnectedDeviceDashboardActivity">
+        <activity
+            android:name="Settings$AndroidBeamSettingsActivity"
+            android:label="@string/android_beam_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.NFCSHARING_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2103,10 +2135,12 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$WifiDisplaySettingsActivity"
-                android:label="@string/wifi_display_settings_title"
-                android:icon="@drawable/ic_cast_24dp"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$WifiDisplaySettingsActivity"
+            android:label="@string/wifi_display_settings_title"
+            android:icon="@drawable/ic_cast_24dp"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.CAST_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2124,17 +2158,9 @@
                 android:value="com.android.settings.wfd.WifiDisplaySettings" />
         </activity>
 
-        <activity android:name="Display" android:label="@string/display_label"
-                android:configChanges="fontScale"
-                android:taskAffinity="com.android.settings"
-                android:parentActivityName="Settings">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.DEVELOPMENT_PREFERENCE" />
-            </intent-filter>
-        </activity>
-
-        <activity android:name="RadioInfo" android:label="@string/phone_info_label"
+        <activity
+            android:name="RadioInfo"
+            android:label="@string/phone_info_label"
             android:process="com.android.phone">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -2190,7 +2216,8 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="UsageStatsActivity" android:label="@string/usage_stats_label"
+        <activity android:name="UsageStatsActivity"
+                  android:label="@string/usage_stats_label"
                   android:taskAffinity="com.android.settings"
                   android:parentActivityName="Settings">
             <intent-filter>
@@ -2199,10 +2226,13 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$PowerUsageSummaryActivity"
-                android:label="@string/power_usage_summary_title"
-                android:icon="@drawable/ic_homepage_battery"
-                android:enabled="false">
+        <activity
+            android:name="Settings$PowerUsageSummaryActivity"
+            android:label="@string/power_usage_summary_title"
+            android:icon="@drawable/ic_homepage_battery"
+            android:enabled="false"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.intent.action.POWER_USAGE_SUMMARY" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2221,18 +2251,11 @@
                 android:value="com.android.settings.fuelgauge.PowerUsageSummary" />
         </activity>
 
-        <!-- Keep compatibility with old shortcuts. -->
-        <activity-alias android:name=".fuelgauge.PowerUsageSummary"
-                android:label="@string/power_usage_summary_title"
-                android:exported="true"
-                android:targetActivity="Settings$PowerUsageSummaryActivity">
-            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="com.android.settings.fuelgauge.PowerUsageSummary" />
-        </activity-alias>
-
         <activity android:name=".Settings$PowerUsageSummaryLegacyActivity"
                   android:label="@string/power_usage_summary_title"
-                  android:icon="@drawable/ic_homepage_battery">
+                  android:icon="@drawable/ic_homepage_battery"
+                  android:taskAffinity="com.android.settings"
+                  android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.POWER_USAGE_SUMMARY" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2246,10 +2269,12 @@
                        android:value="com.android.settings.fuelgauge.PowerUsageSummaryLegacy" />
         </activity>
 
-        <activity android:name="Settings$BatterySaverSettingsActivity"
-                android:label="@string/battery_saver"
-                android:icon="@drawable/ic_settings_battery"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$BatterySaverSettingsActivity"
+            android:label="@string/battery_saver"
+            android:icon="@drawable/ic_settings_battery"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.BATTERY_SAVER_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2271,9 +2296,10 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$AccountSyncSettingsActivity"
+        <activity
+            android:name="Settings$AccountSyncSettingsActivity"
             android:label="@string/account_sync_settings_title"
-            android:taskAffinity=""
+            android:taskAffinity="com.android.settings"
             android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ACCOUNT_SYNC_SETTINGS" />
@@ -2288,9 +2314,10 @@
             <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
                 android:value="true" />
         </activity>
-        <activity android:name="Settings$ManagedProfileSettingsActivity"
+        <activity
+            android:name="Settings$ManagedProfileSettingsActivity"
             android:label="@string/managed_profile_settings_title"
-            android:taskAffinity=""
+            android:taskAffinity="com.android.settings"
             android:parentActivityName="Settings"
             android:permission="android.permission.MANAGE_USERS">
             <intent-filter android:priority="1">
@@ -2301,12 +2328,13 @@
                 android:value="com.android.settings.accounts.ManagedProfileSettings" />
         </activity>
 
-        <activity android:name="com.android.settings.accounts.AddAccountSettings"
+        <activity
+            android:name="com.android.settings.accounts.AddAccountSettings"
             android:theme="@android:style/Theme.Translucent.NoTitleBar"
             android:configChanges="orientation|keyboardHidden|screenSize"
             android:label="@string/header_add_an_account"
             android:taskAffinity="com.android.settings"
-            android:parentActivityName=".Settings$AccountDashboardActivity">
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ADD_ACCOUNT_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2383,10 +2411,13 @@
                 android:value="com.android.settings.security.CryptKeeperSettings" />
         </activity>
 
-        <activity android:name="Settings$DataUsageSummaryActivity"
-                android:label="@string/data_usage_summary_title"
-                android:icon="@drawable/ic_settings_data_usage"
-                android:enabled="false">
+        <activity
+            android:name="Settings$DataUsageSummaryActivity"
+            android:label="@string/data_usage_summary_title"
+            android:icon="@drawable/ic_settings_data_usage"
+            android:enabled="false"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <!-- TODO(b/70950124): add shortcut intent-filter -->
             <intent-filter android:priority="10">
                 <action android:name="com.android.settings.action.SETTINGS" />
@@ -2397,10 +2428,12 @@
                 android:value="com.android.settings.datausage.DataUsageSummary" />
         </activity>
 
-        <activity android:name="Settings$DataUsageSummaryLegacyActivity"
-                  android:label="@string/data_usage_summary_title"
-                  android:icon="@drawable/ic_settings_data_usage"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$DataUsageSummaryLegacyActivity"
+            android:label="@string/data_usage_summary_title"
+            android:icon="@drawable/ic_settings_data_usage"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2415,9 +2448,11 @@
                        android:value="com.android.settings.datausage.DataUsageSummaryLegacy" />
         </activity>
 
-        <activity android:name="Settings$MobileDataUsageListActivity"
-                  android:label="@string/cellular_data_usage"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$MobileDataUsageListActivity"
+            android:label="@string/cellular_data_usage"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.MOBILE_DATA_USAGE" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2426,10 +2461,12 @@
                        android:value="com.android.settings.datausage.DataUsageList" />
         </activity>
 
-        <activity android:name="Settings$DreamSettingsActivity"
-                android:label="@string/screensaver_settings_title"
-                android:icon="@drawable/ic_settings_display"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$DreamSettingsActivity"
+            android:label="@string/screensaver_settings_title"
+            android:icon="@drawable/ic_settings_display"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.DREAM_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2445,10 +2482,12 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$UserSettingsActivity"
-                android:label="@string/user_settings_title"
-                android:icon="@drawable/ic_settings_multiuser"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$UserSettingsActivity"
+            android:label="@string/user_settings_title"
+            android:icon="@drawable/ic_settings_multiuser"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.USER_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2468,10 +2507,12 @@
                 android:value="true" />
         </activity>
 
-        <activity android:name="Settings$PaymentSettingsActivity"
-                android:label="@string/nfc_payment_settings_title"
-                android:icon="@drawable/ic_settings_nfc_payment"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$PaymentSettingsActivity"
+            android:label="@string/nfc_payment_settings_title"
+            android:icon="@drawable/ic_settings_nfc_payment"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.NFC_PAYMENT_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2500,7 +2541,7 @@
 
         <activity android:name=".nfc.HowItWorks"
                   android:label="@string/nfc_payment_settings_title"
-                  android:parentActivityName="Settings$PaymentSettingsActivity">
+                  android:parentActivityName="Settings$PaymentSettingsActivity"
                   android:excludeFromRecents="true">
         </activity>
 
@@ -2514,9 +2555,11 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$NotificationAccessSettingsActivity"
-                  android:label="@string/manage_notification_access_title"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$NotificationAccessSettingsActivity"
+            android:label="@string/manage_notification_access_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2529,9 +2572,11 @@
                        android:value="com.android.settings.notification.NotificationAccessSettings" />
         </activity>
 
-        <activity android:name="Settings$VrListenersSettingsActivity"
-                  android:label="@string/vr_listeners_title"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$VrListenersSettingsActivity"
+            android:label="@string/vr_listeners_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.VR_LISTENER_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2544,9 +2589,11 @@
                        android:value="com.android.settings.applications.VrListenerSettings" />
         </activity>
 
-        <activity android:name="Settings$PictureInPictureSettingsActivity"
+        <activity
+            android:name="Settings$PictureInPictureSettingsActivity"
             android:label="@string/picture_in_picture_title"
-            android:taskAffinity="">
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.PICTURE_IN_PICTURE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2559,9 +2606,11 @@
                 android:value="com.android.settings.applications.appinfo.PictureInPictureSettings" />
         </activity>
 
-        <activity android:name="Settings$AppPictureInPictureSettingsActivity"
+        <activity
+            android:name="Settings$AppPictureInPictureSettingsActivity"
             android:label="@string/picture_in_picture_title"
-            android:taskAffinity="">
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.settings.PICTURE_IN_PICTURE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2571,9 +2620,11 @@
                 android:value="com.android.settings.applications.appinfo.PictureInPictureDetails" />
         </activity>
 
-        <activity android:name="Settings$ZenAccessSettingsActivity"
-                  android:label="@string/manage_zen_access_title"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$ZenAccessSettingsActivity"
+            android:label="@string/manage_zen_access_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.NOTIFICATION_POLICY_ACCESS_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2586,10 +2637,12 @@
                        android:value="com.android.settings.notification.ZenAccessSettings" />
         </activity>
 
-        <activity android:name="Settings$ConfigureNotificationSettingsActivity"
-                android:label="@string/configure_notification_settings"
-                android:exported="true"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$ConfigureNotificationSettingsActivity"
+            android:label="@string/configure_notification_settings"
+            android:exported="true"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.NOTIFICATION_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2611,11 +2664,13 @@
         </activity>
 
         <!-- Keep compatibility with old shortcuts. -->
-        <activity android:name="Settings$SoundSettingsActivity"
-                android:label="@string/sound_settings"
-                android:icon="@drawable/ic_homepage_sound"
-                android:taskAffinity=""
-                android:exported="true">
+        <activity
+            android:name="Settings$SoundSettingsActivity"
+            android:label="@string/sound_settings"
+            android:icon="@drawable/ic_homepage_sound"
+            android:exported="true"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="com.android.settings.SOUND_SETTINGS" />
                 <action android:name="android.settings.SOUND_SETTINGS" />
@@ -2641,15 +2696,6 @@
                 android:resource="@string/sound_dashboard_summary"/>
         </activity>
 
-        <!-- Keep compatibility with old shortcuts. -->
-        <activity-alias android:name="SoundSettings"
-                android:label="@string/sound_settings"
-                android:exported="true"
-                android:targetActivity="Settings$SoundSettingsActivity">
-            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="com.android.settings.notification.SoundSettings" />
-        </activity-alias>
-
         <!-- Show application-level notification settings (app passed in as extras) -->
         <activity android:name="Settings$AppNotificationSettingsActivity"
                 android:exported="true">
@@ -2676,7 +2722,6 @@
                        android:value="com.android.settings.notification.ChannelGroupNotificationSettings" />
         </activity>
 
-
         <!-- Show channel-level notification settings (channel passed in as extras) -->
         <activity android:name="Settings$ChannelNotificationSettingsActivity"
                   android:exported="true">
@@ -2693,10 +2738,12 @@
         </activity>
 
         <!-- Show Manual (from settings item) -->
-        <activity android:name="ManualDisplayActivity"
-                  android:label="@string/manual"
-                  android:taskAffinity=""
-                  android:enabled="@bool/config_show_manual">
+        <activity
+            android:name="ManualDisplayActivity"
+            android:label="@string/manual"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings"
+            android:enabled="@bool/config_show_manual">
             <intent-filter>
                 <action android:name="android.settings.SHOW_MANUAL" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2706,10 +2753,12 @@
         </activity>
 
         <!-- Show regulatory info (from settings item or dialing "*#07#") -->
-        <activity android:name="RegulatoryInfoDisplayActivity"
-                  android:label="@string/regulatory_labels"
-                  android:taskAffinity=""
-                  android:enabled="@bool/config_show_regulatory_info">
+        <activity
+            android:name="RegulatoryInfoDisplayActivity"
+            android:label="@string/regulatory_labels"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings"
+            android:enabled="@bool/config_show_regulatory_info">
             <intent-filter>
                 <action android:name="android.settings.SHOW_REGULATORY_INFO" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2768,10 +2817,12 @@
                 android:resource="@xml/file_paths" />
         </provider>
 
-        <activity android:name="Settings$SimSettingsActivity"
-                android:label="@string/sim_settings_title"
-                android:icon="@drawable/ic_settings_sim"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$SimSettingsActivity"
+            android:label="@string/sim_settings_title"
+            android:icon="@drawable/ic_settings_sim"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="com.android.settings.sim.SIM_SUB_INFO_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2793,11 +2844,11 @@
 
         <activity android:name=".sim.SimPreferenceDialog"
             android:theme="@*android:style/Theme.DeviceDefault.Settings.Dialog.NoActionBar"
-            android:excludeFromRecents="true">
-        </activity>
+            android:excludeFromRecents="true" />
 
-        <activity android:name=".wifi.RequestToggleWiFiActivity"
-                  android:theme="@android:style/Theme.DeviceDefault.Light.Dialog.Alert"
+        <activity
+            android:name=".wifi.RequestToggleWiFiActivity"
+            android:theme="@android:style/Theme.DeviceDefault.Light.Dialog.Alert"
             android:excludeFromRecents="true"
             android:permission="android.permission.CHANGE_WIFI_STATE">
             <intent-filter>
@@ -2807,7 +2858,8 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".wifi.WifiDialogActivity"
+        <activity
+            android:name=".wifi.WifiDialogActivity"
             android:label=""
             android:theme="@style/Transparent"
             android:excludeFromRecents="true"
@@ -2829,9 +2881,11 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$WifiCallingSettingsActivity"
-                  android:label="@string/wifi_calling_settings_title"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$WifiCallingSettingsActivity"
+            android:label="@string/wifi_calling_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.settings.WIFI_CALLING_SETTINGS" />
@@ -2839,21 +2893,20 @@
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                       android:value="com.android.settings.WifiCallingSettings" />
+                       android:value="com.android.settings.wifi.calling.WifiCallingSettings" />
             <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
                        android:value="true" />
         </activity>
 
-        <activity android:name=".wifi.WifiCallingSuggestionActivity"
+        <activity android:name=".wifi.calling.WifiCallingSuggestionActivity"
                   android:label="@string/wifi_calling_settings_title"
-                  android:icon="@drawable/ic_settings_wireless"
-                  android:taskAffinity="">
+                  android:icon="@drawable/ic_settings_wireless">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="com.android.settings.suggested.category.FIRST_IMPRESSION" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                       android:value="com.android.settings.WifiCallingSettings" />
+                       android:value="com.android.settings.wifi.calling.WifiCallingSettings" />
             <meta-data android:name="com.android.settings.dismiss"
                 android:value="10,14,30" />
             <meta-data android:name="com.android.settings.title"
@@ -2883,9 +2936,11 @@
             </intent-filter>
         </provider>
 
-        <activity android:name="Settings$OverlaySettingsActivity"
-                android:label="@string/draw_overlay"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$OverlaySettingsActivity"
+            android:label="@string/draw_overlay"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.action.MANAGE_OVERLAY_PERMISSION" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2894,9 +2949,11 @@
                 android:value="com.android.settings.applications.manageapplications.ManageApplications" />
         </activity>
 
-        <activity android:name="Settings$AppDrawOverlaySettingsActivity"
-                android:label="@string/draw_overlay"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$AppDrawOverlaySettingsActivity"
+            android:label="@string/draw_overlay"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.action.MANAGE_OVERLAY_PERMISSION" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2906,9 +2963,11 @@
                 android:value="com.android.settings.applications.appinfo.DrawOverlayDetails" />
         </activity>
 
-        <activity android:name="Settings$WriteSettingsActivity"
-                android:label="@string/write_settings_title"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$WriteSettingsActivity"
+            android:label="@string/write_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.action.MANAGE_WRITE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2917,10 +2976,11 @@
                 android:value="com.android.settings.applications.manageapplications.ManageApplications" />
         </activity>
 
-
-        <activity android:name="Settings$AppWriteSettingsActivity"
-                  android:label="@string/write_settings_title"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$AppWriteSettingsActivity"
+            android:label="@string/write_settings_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.action.MANAGE_WRITE_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2930,9 +2990,11 @@
                        android:value="com.android.settings.applications.appinfo.WriteSettingsDetails" />
         </activity>
 
-        <activity android:name="Settings$ManageExternalSourcesActivity"
-                android:label="@string/install_other_apps"
-                android:taskAffinity="">
+        <activity
+            android:name="Settings$ManageExternalSourcesActivity"
+            android:label="@string/install_other_apps"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.MANAGE_UNKNOWN_APP_SOURCES" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -2963,10 +3025,12 @@
             </intent-filter>
         </activity>
 
-        <activity android:name="Settings$AdvancedAppsActivity"
-                  android:taskAffinity=""
-                  android:exported="true"
-                  android:label="@string/app_default_dashboard_title">
+        <activity
+            android:name="Settings$AdvancedAppsActivity"
+            android:exported="true"
+            android:label="@string/app_default_dashboard_title"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.MANAGE_DEFAULT_APPS_SETTINGS" />
                 <action android:name="android.settings.HOME_SETTINGS" />
@@ -3022,10 +3086,12 @@
                        android:value="true" />
         </activity>
 
-        <activity android:name="Settings$AutomaticStorageManagerSettingsActivity"
-                  android:exported="@bool/config_storage_manager_settings_enabled"
-                  android:label="@string/automatic_storage_manager_settings"
-                  android:taskAffinity="">
+        <activity
+            android:name="Settings$AutomaticStorageManagerSettingsActivity"
+            android:exported="@bool/config_storage_manager_settings_enabled"
+            android:label="@string/automatic_storage_manager_settings"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="1">
                 <action android:name="android.settings.STORAGE_MANAGER_SETTINGS" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -3033,12 +3099,13 @@
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
                        android:value="com.android.settings.deletionhelper.AutomaticStorageManagerSettings" />
         </activity>
-        <!-- Information architecture host activities -->
 
-        <!-- Alias for battery settings in new IA. Remove and merge metadata into TargetActivity -->
-        <activity android:name=".Settings$AppAndNotificationDashboardActivity"
-                  android:label="@string/app_and_notification_dashboard_title"
-                  android:icon="@drawable/ic_homepage_apps">
+        <activity
+            android:name=".Settings$AppAndNotificationDashboardActivity"
+            android:label="@string/app_and_notification_dashboard_title"
+            android:icon="@drawable/ic_homepage_apps"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="9">
                 <action android:name="com.android.settings.action.SETTINGS"/>
             </intent-filter>
@@ -3050,9 +3117,12 @@
                        android:resource="@string/app_and_notification_dashboard_summary"/>
         </activity>
 
-        <activity android:name=".Settings$AccountDashboardActivity"
-                  android:label="@string/account_dashboard_title"
-                  android:icon="@drawable/ic_homepage_accounts">
+        <activity
+            android:name=".Settings$AccountDashboardActivity"
+            android:label="@string/account_dashboard_title"
+            android:icon="@drawable/ic_homepage_accounts"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="3">
                 <action android:name="com.android.settings.action.SETTINGS"/>
             </intent-filter>
@@ -3066,9 +3136,12 @@
                        android:value="com.android.settings.category.ia.homepage"/>
         </activity>
 
-        <activity android:name=".Settings$SystemDashboardActivity"
-                  android:label="@string/header_category_system"
-                  android:icon="@drawable/ic_homepage_system_dashboard">
+        <activity
+            android:name=".Settings$SystemDashboardActivity"
+            android:label="@string/header_category_system"
+            android:icon="@drawable/ic_homepage_system_dashboard"
+            android:taskAffinity="com.android.settings"
+            android:parentActivityName="Settings">
             <intent-filter android:priority="-1">
                 <action android:name="com.android.settings.action.SETTINGS"/>
             </intent-filter>
@@ -3098,8 +3171,6 @@
                        android:resource="@string/support_summary"/>
         </activity>
 
-        <!-- End of information architecture host activities -->
-
         <service
             android:name=".SettingsDumpService"
             android:exported="true"
diff --git a/res/layout/data_usage_summary_preference.xml b/res/layout/data_usage_summary_preference.xml
new file mode 100644
index 00000000000..445e7cdd468
--- /dev/null
+++ b/res/layout/data_usage_summary_preference.xml
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2018 The Android Open Source Project
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at"+
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="@dimen/preference_no_icon_padding_start"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+    android:orientation="vertical"
+    android:background="@drawable/selectable_card_grey"
+    android:selectable="false"
+    style="@style/EntityHeader">
+
+    <TextView
+        android:id="@+id/usage_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+        android:textColor="?android:attr/textColorSecondary"
+        android:paddingBottom="5dp"
+        android:text="@string/data_usage_title" />
+
+    <TextView
+        android:id="@android:id/title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="5dp"
+        android:fontFamily="@*android:string/config_headlineFontFamily"
+        android:textColor="?android:attr/colorAccent"
+        android:textAppearance="@android:style/TextAppearance.Material.Large" />
+
+    <TextView
+        android:id="@android:id/summary"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+        android:textColor="?android:attr/textColorSecondary"
+        android:paddingBottom="5dp" />
+
+    <com.android.settings.widget.LinearColorBar
+        android:id="@+id/color_bar"
+        android:layout_width="match_parent"
+        android:layout_height="28dp" />
+
+    <LinearLayout
+        android:id="@+id/label_bar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="2dp"
+        android:orientation="horizontal">
+
+        <TextView android:id="@android:id/text1"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+            android:textColor="?android:attr/textColorSecondary" />
+
+        <Space
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
+        <TextView android:id="@android:id/text2"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+            android:textColor="?android:attr/textColorSecondary" />
+
+    </LinearLayout>
+
+    <TextView
+        android:id="@+id/cycle_left_time"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingBottom="5dp" />
+
+    <TextView
+        android:id="@+id/carrier_and_update"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingBottom="5dp" />
+
+    <Button
+        android:id="@+id/launch_mdp_app_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="left"
+        android:text="@string/launch_mdp_app_text"
+        style="@style/ActionPrimaryButton" />
+
+    <TextView
+        android:id="@+id/data_limits"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingBottom="5dp" />
+
+</LinearLayout>
+
diff --git a/res/layout/battery_saver_settings_button.xml b/res/layout/two_state_button.xml
similarity index 85%
rename from res/layout/battery_saver_settings_button.xml
rename to res/layout/two_state_button.xml
index 015d4d88f86..22bf2bd3da0 100644
--- a/res/layout/battery_saver_settings_button.xml
+++ b/res/layout/two_state_button.xml
@@ -25,23 +25,21 @@
     android:layout_height="match_parent">
 
     <Button
-        android:id="@+id/battery_saver_on_button"
+        android:id="@+id/state_on_button"
         style="@style/ActionPrimaryButton"
         android:layout_width="0dp"
         android:layout_weight="1"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:text="@string/battery_saver_button_turn_on"
         android:paddingEnd="8dp" />
 
     <Button
-        android:id="@+id/battery_saver_off_button"
+        android:id="@+id/state_off_button"
         style="@style/ActionSecondaryButton"
         android:layout_width="0dp"
         android:layout_weight="1"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:text="@string/battery_saver_button_turn_off"
         android:paddingEnd="8dp" />
 
 </LinearLayout>
\ No newline at end of file
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index 2d48e423e68..d37091c5948 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -162,4 +162,12 @@
         <attr name="showPercentString" format="boolean" />
         <attr name="thickness" format="dimension" />
     </declare-styleable>
+
+    <!-- For TwoStatesButtonPreference -->
+    <declare-styleable name="TwoStateButtonPreference">
+        <attr name="textOn" format="reference" />
+        <attr name="textOff" format="reference" />
+    </declare-styleable>
+
+    <attr name="twoStateButtonPreferenceStyle" format="reference" />
 </resources>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 2540640f901..86e538fab77 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5844,6 +5844,8 @@
     <string name="data_usage_enable_3g">2G-3G data</string>
     <!-- Toggle switch title for enabling 4G data network connection. [CHAR LIMIT=32] -->
     <string name="data_usage_enable_4g">4G data</string>
+    <!-- Toggle switch title for enabling roaming on the primary data SIM card. [CHAR LIMIT=32] -->
+    <string name="data_roaming_enable_mobile">Roaming</string>
 
     <!-- Data Usage Foreground label.  [CHAR LIMIT=40] -->
     <string name="data_usage_forground_label">Foreground:</string>
@@ -6476,6 +6478,7 @@
     <string name="help_uri_process_stats_apps" translatable="false"></string>
     <string name="help_uri_private_dns" translatable="false"></string>
     <string name="help_uri_about_phone_v2" translatable="false"></string>
+    <string name="help_uri_wifi_calling" translatable="false"></string>
 
     <!-- User account title [CHAR LIMIT=30] -->
     <string name="user_account_title">Account for content</string>
@@ -8655,6 +8658,27 @@
         <item quantity="other"><xliff:g id="count" example="10">%1$d</xliff:g> apps allowed to use unrestricted data when Data Saver is on</item>
     </plurals>
 
+    <!-- Data usage title text [CHAR LIMIT=30] -->
+    <string name="data_usage_title">Primary data</string>
+
+    <!-- Data usage string [CHAR LIMIT=30] -->
+    <string name="data_used"><xliff:g name="bytes" example="2 GB">^1</xliff:g> used</string>
+
+    <!-- Optional part of data usage showing the remaining amount [CHAR LIMIT=30] -->
+    <string name="data_remaining"><xliff:g name="bytes" example="2 GB">, ^1</xliff:g> left</string>
+
+    <!-- Informational text about time left in billing cycle [CHAR LIMIT=30] -->
+    <string name="cycle_left_time_text"><xliff:g name="time" example="2d">%1$s</xliff:g> left in this cycle</string>
+
+    <!-- Informational text about carrier and update time [CHAR LIMIT=30] -->
+    <string name="carrier_and_update_text">Updated by <xliff:g name="carrier" example="T-mobile">%1$s</xliff:g> <xliff:g name="time" example="3m">%2$s</xliff:g></string>
+
+    <!-- Informational text about update time only, without carrier [CHAR LIMIT=30] -->
+    <string name="no_carrier_update_text">Updated <xliff:g name="time" example="3m">%1$s</xliff:g></string>
+
+    <!-- Button to launch external data plan app [CHAR LIMIT=30] -->
+    <string name="launch_mdp_app_text">VIEW PLAN</string>
+
     <!-- Name of Data Saver screens [CHAR LIMIT=30] -->
     <string name="data_saver_title">Data saver</string>
 
diff --git a/res/values/styles_preference.xml b/res/values/styles_preference.xml
index 056d55a0997..5fe1ef41787 100644
--- a/res/values/styles_preference.xml
+++ b/res/values/styles_preference.xml
@@ -36,4 +36,8 @@
         <item name="android:widgetLayout">@layout/preference_widget_sync_toggle</item>
     </style>
 
+    <style name="TwoStateButtonPreference" parent="Preference.SettingsBase">
+        <item name="android:layout">@layout/two_state_button</item>
+    </style>
+
 </resources>
\ No newline at end of file
diff --git a/res/values/themes.xml b/res/values/themes.xml
index d960654f11c..a8ceca3dbf6 100644
--- a/res/values/themes.xml
+++ b/res/values/themes.xml
@@ -176,6 +176,7 @@
         <item name="preferenceFragmentStyle">@style/SettingsPreferenceFragmentStyle</item>
         <item name="apnPreferenceStyle">@style/ApnPreference</item>
         <item name="seekBarPreferenceStyle">@style/SettingsSeekBarPreference</item>
+        <item name="twoStateButtonPreferenceStyle">@style/TwoStateButtonPreference</item>
     </style>
 
     <style name="PreferenceTheme.SetupWizard" parent="PreferenceTheme">
diff --git a/res/xml/battery_saver_settings.xml b/res/xml/battery_saver_settings.xml
index 47199c2d66e..43971991b6f 100644
--- a/res/xml/battery_saver_settings.xml
+++ b/res/xml/battery_saver_settings.xml
@@ -16,6 +16,7 @@
 
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:title="@string/battery_saver"
     android:key="battery_saver">
 
@@ -23,16 +24,20 @@
     <SwitchPreference
         android:key="auto_battery_saver"
         android:title="@string/battery_saver_auto_title"
-        android:summary="@string/battery_saver_auto_summary"/>
+        android:summary="@string/battery_saver_auto_summary"
+        settings:controller="com.android.settings.fuelgauge.batterysaver.AutoBatterySaverPreferenceController"/>
+
     <com.android.settings.widget.SeekBarPreference
         android:key="battery_saver_seek_bar"
         android:title="@string/battery_saver_seekbar_title"
         android:max="75"
         android:min="5"/>
-    <com.android.settings.applications.LayoutPreference
+
+    <com.android.settings.widget.TwoStateButtonPreference
         android:key="battery_saver_button_container"
         android:selectable="false"
-        android:layout="@layout/battery_saver_settings_button"/>
+        settings:textOn="@string/battery_saver_button_turn_on"
+        settings:textOff="@string/battery_saver_button_turn_off"/>
 
     <PreferenceCategory
         android:key="battery_saver_footer">
diff --git a/res/xml/connected_devices_advanced.xml b/res/xml/connected_devices_advanced.xml
index 0b75abff270..83a63e40c22 100644
--- a/res/xml/connected_devices_advanced.xml
+++ b/res/xml/connected_devices_advanced.xml
@@ -25,8 +25,8 @@
       android:title="@string/bluetooth_settings_title"
       android:icon="@drawable/ic_settings_bluetooth"
       android:summary="@string/bluetooth_pref_summary"
-      settings:controller="com.android.settings.bluetooth.BluetoothSwitchPreferenceController"
-      android:order="-7"/>
+      android:order="-7"
+      settings:controller="com.android.settings.bluetooth.BluetoothSwitchPreferenceController"/>
 
     <SwitchPreference
         android:key="toggle_nfc"
@@ -54,6 +54,7 @@
         android:title="@string/bluetooth_on_while_driving_pref"
         android:icon="@drawable/ic_settings_bluetooth"
         android:summary="@string/bluetooth_on_while_driving_summary"
+        settings:controller="com.android.settings.connecteddevice.BluetoothOnWhileDrivingPreferenceController"
         android:order="-2"/>
 
     <Preference
diff --git a/res/xml/data_usage.xml b/res/xml/data_usage.xml
index 958459c2d16..88d7f3202b7 100644
--- a/res/xml/data_usage.xml
+++ b/res/xml/data_usage.xml
@@ -20,24 +20,8 @@
     android:key="data_usage_screen"
     android:title="@string/data_usage_summary_title">
 
-    <PreferenceCategory
-        android:key="data_usage_category"
-        android:title="@string/usage">
-
-        <com.android.settings.SummaryPreference
+    <com.android.settings.datausage.DataUsageSummaryPreference
             android:key="status_header"
             android:selectable="false" />
 
-        <Preference
-            android:key="limit_summary"
-            android:selectable="false"
-            settings:allowDividerBelow="true" />
-
-        <com.android.settings.datausage.DataSaverPreference
-            android:key="restrict_background"
-            android:title="@string/data_saver_title"
-            android:fragment="com.android.settings.datausage.DataSaverSummary" />
-
-    </PreferenceCategory>
-
 </PreferenceScreen>
diff --git a/res/xml/display_settings.xml b/res/xml/display_settings.xml
index 4d0c99259a7..3cafc3fd70f 100644
--- a/res/xml/display_settings.xml
+++ b/res/xml/display_settings.xml
@@ -43,8 +43,9 @@
     <com.android.settingslib.RestrictedSwitchPreference
         android:key="auto_brightness"
         android:title="@string/auto_brightness_title"
-        settings:keywords="@string/keywords_display_auto_brightness"
         android:summary="@string/auto_brightness_summary"
+        settings:keywords="@string/keywords_display_auto_brightness"
+        settings:controller="com.android.settings.display.AutoBrightnessPreferenceController"
         settings:useAdminDisabledSummary="true"
         settings:userRestriction="no_config_brightness" />
 
diff --git a/res/xml/security_dashboard_settings.xml b/res/xml/security_dashboard_settings.xml
index dafd36c54b9..00eaa7e10f1 100644
--- a/res/xml/security_dashboard_settings.xml
+++ b/res/xml/security_dashboard_settings.xml
@@ -79,7 +79,8 @@
         <SwitchPreference
             android:key="visiblepattern_profile"
             android:summary="@string/summary_placeholder"
-            android:title="@string/lockpattern_settings_enable_visible_pattern_title_profile" />
+            android:title="@string/lockpattern_settings_enable_visible_pattern_title_profile"
+            settings:controller="com.android.settings.security.VisiblePatternProfilePreferenceController"/>
 
         <Preference
             android:key="fingerprint_settings_profile"
@@ -103,7 +104,8 @@
         <SwitchPreference
             android:key="show_password"
             android:title="@string/show_password"
-            android:summary="@string/show_password_summary" />
+            android:summary="@string/show_password_summary"
+            settings:controller="com.android.settings.security.ShowPasswordPreferenceController"/>
 
     </PreferenceCategory>
 
diff --git a/res/xml/security_lockscreen_settings.xml b/res/xml/security_lockscreen_settings.xml
index 1da1de5eccf..3d3bfd064b8 100644
--- a/res/xml/security_lockscreen_settings.xml
+++ b/res/xml/security_lockscreen_settings.xml
@@ -16,6 +16,7 @@
 
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:key="security_lockscreen_settings_screen"
     android:title="@string/lockscreen_settings_title">
 
@@ -36,7 +37,8 @@
     <SwitchPreference
         android:key="security_setting_lockdown_enabled"
         android:title="@string/lockdown_settings_title"
-        android:summary="@string/lockdown_settings_summary" />
+        android:summary="@string/lockdown_settings_summary"
+        settings:controller="com.android.settings.security.LockdownButtonPreferenceController"/>
 
     <PreferenceCategory
         android:key="security_setting_lock_screen_notif_work_header"
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index eeac30291e8..f9aaf8472c7 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -808,7 +808,6 @@ public class SettingsActivity extends SettingsDrawerActivity
                 || somethingChanged;
 
         final boolean showDev = DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(this)
-                && !um.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)
                 && !Utils.isMonkeyRunning();
 
         somethingChanged = setTileEnabled(new ComponentName(packageName,
diff --git a/src/com/android/settings/applications/LayoutPreference.java b/src/com/android/settings/applications/LayoutPreference.java
index f2bd183bfb0..6940a4bd87d 100644
--- a/src/com/android/settings/applications/LayoutPreference.java
+++ b/src/com/android/settings/applications/LayoutPreference.java
@@ -42,6 +42,24 @@ public class LayoutPreference extends Preference {
 
     public LayoutPreference(Context context, AttributeSet attrs) {
         super(context, attrs);
+        init(context, attrs, 0 /* defStyleAttr */);
+    }
+
+    public LayoutPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context, attrs, defStyleAttr);
+    }
+
+    public LayoutPreference(Context context, int resource) {
+        this(context, LayoutInflater.from(context).inflate(resource, null, false));
+    }
+
+    public LayoutPreference(Context context, View view) {
+        super(context);
+        setView(view);
+    }
+
+    private void init(Context context, AttributeSet attrs, int defStyleAttr) {
         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.Preference);
         mAllowDividerAbove = TypedArrayUtils.getBoolean(a, R.styleable.Preference_allowDividerAbove,
                 R.styleable.Preference_allowDividerAbove, false);
@@ -50,7 +68,7 @@ public class LayoutPreference extends Preference {
         a.recycle();
 
         a = context.obtainStyledAttributes(
-                attrs, com.android.internal.R.styleable.Preference, 0, 0);
+                attrs, com.android.internal.R.styleable.Preference, defStyleAttr, 0);
         int layoutResource = a.getResourceId(com.android.internal.R.styleable.Preference_layout,
                 0);
         if (layoutResource == 0) {
@@ -64,15 +82,6 @@ public class LayoutPreference extends Preference {
         setView(view);
     }
 
-    public LayoutPreference(Context context, int resource) {
-        this(context, LayoutInflater.from(context).inflate(resource, null, false));
-    }
-
-    public LayoutPreference(Context context, View view) {
-        super(context);
-        setView(view);
-    }
-
     private void setView(View view) {
         setLayoutResource(R.layout.layout_preference_frame);
         final ViewGroup allDetails = view.findViewById(R.id.all_details);
@@ -106,4 +115,4 @@ public class LayoutPreference extends Preference {
         return mRootView.findViewById(id);
     }
 
-}
+}
\ No newline at end of file
diff --git a/src/com/android/settings/core/BasePreferenceController.java b/src/com/android/settings/core/BasePreferenceController.java
index 01d98b83454..4bd7ba48991 100644
--- a/src/com/android/settings/core/BasePreferenceController.java
+++ b/src/com/android/settings/core/BasePreferenceController.java
@@ -30,6 +30,8 @@ import java.util.List;
  * Abstract class to consolidate utility between preference controllers and act as an interface
  * for Slices. The abstract classes that inherit from this class will act as the direct interfaces
  * for each type when plugging into Slices.
+ *
+ * TODO (b/73074893) Add Lifecycle Setting method.
  */
 public abstract class BasePreferenceController extends AbstractPreferenceController {
 
diff --git a/src/com/android/settings/core/gateway/SettingsGateway.java b/src/com/android/settings/core/gateway/SettingsGateway.java
index 76def2ca10f..c75b0c60cde 100644
--- a/src/com/android/settings/core/gateway/SettingsGateway.java
+++ b/src/com/android/settings/core/gateway/SettingsGateway.java
@@ -28,7 +28,7 @@ import com.android.settings.Settings;
 import com.android.settings.TestingSettings;
 import com.android.settings.TetherSettings;
 import com.android.settings.TrustedCredentialsSettings;
-import com.android.settings.WifiCallingSettings;
+import com.android.settings.wifi.calling.WifiCallingSettings;
 import com.android.settings.accessibility.AccessibilitySettings;
 import com.android.settings.accessibility.AccessibilitySettingsForSetupWizard;
 import com.android.settings.accessibility.CaptionPropertiesFragment;
diff --git a/src/com/android/settings/dashboard/DashboardSummary.java b/src/com/android/settings/dashboard/DashboardSummary.java
index 690c79559af..8ddef1cd0a2 100644
--- a/src/com/android/settings/dashboard/DashboardSummary.java
+++ b/src/com/android/settings/dashboard/DashboardSummary.java
@@ -55,7 +55,7 @@ public class DashboardSummary extends InstrumentedFragment
         FocusListener, SuggestionControllerMixin.SuggestionControllerHost {
     public static final boolean DEBUG = false;
     private static final boolean DEBUG_TIMING = false;
-    private static final int MAX_WAIT_MILLIS = 700;
+    private static final int MAX_WAIT_MILLIS = 3000;
     private static final String TAG = "DashboardSummary";
 
     private static final String EXTRA_SCROLL_POSITION = "scroll_position";
diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
index 8523273252d..07ffb8a4dd2 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionFeatureProviderImpl.java
@@ -37,7 +37,7 @@ import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.password.ScreenLockSuggestionActivity;
 import com.android.settings.support.NewDeviceIntroSuggestionActivity;
 import com.android.settings.wallpaper.WallpaperSuggestionActivity;
-import com.android.settings.wifi.WifiCallingSuggestionActivity;
+import com.android.settings.wifi.calling.WifiCallingSuggestionActivity;
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 import com.android.settingslib.drawer.Tile;
 import com.android.settingslib.suggestions.SuggestionControllerMixin;
diff --git a/src/com/android/settings/datausage/DataUsageSummary.java b/src/com/android/settings/datausage/DataUsageSummary.java
index b63cee3cdad..339de7c022b 100644
--- a/src/com/android/settings/datausage/DataUsageSummary.java
+++ b/src/com/android/settings/datausage/DataUsageSummary.java
@@ -18,7 +18,6 @@ import android.app.Activity;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.net.NetworkPolicyManager;
 import android.net.NetworkTemplate;
 import android.os.Bundle;
 import android.os.UserManager;
@@ -28,6 +27,7 @@ import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceScreen;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
+import android.telephony.SubscriptionPlan;
 import android.text.BidiFormatter;
 import android.text.Spannable;
 import android.text.SpannableString;
@@ -40,7 +40,6 @@ import android.view.MenuItem;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
-import com.android.settings.SummaryPreference;
 import com.android.settings.Utils;
 import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.search.BaseSearchIndexProvider;
@@ -65,7 +64,6 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
     public static final String KEY_RESTRICT_BACKGROUND = "restrict_background";
 
     private static final String KEY_STATUS_HEADER = "status_header";
-    private static final String KEY_LIMIT_SUMMARY = "limit_summary";
 
     // Mobile data keys
     public static final String KEY_MOBILE_USAGE_TITLE = "mobile_category";
@@ -77,13 +75,9 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
     public static final String KEY_WIFI_USAGE_TITLE = "wifi_category";
     public static final String KEY_WIFI_DATA_USAGE = "wifi_data_usage";
 
-    private DataUsageController mDataUsageController;
-    private DataUsageInfoController mDataInfoController;
-    private SummaryPreference mSummaryPreference;
-    private Preference mLimitPreference;
+    private DataUsageSummaryPreference mSummaryPreference;
+    private DataUsageSummaryPreferenceController mSummaryController;
     private NetworkTemplate mDefaultTemplate;
-    private int mDataUsageTemplate;
-    private NetworkPolicyEditor mPolicyEditor;
 
     @Override
     public int getHelpResource() {
@@ -95,25 +89,20 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
         super.onCreate(icicle);
 
         final Context context = getContext();
-        NetworkPolicyManager policyManager = NetworkPolicyManager.from(context);
-        mPolicyEditor = new NetworkPolicyEditor(policyManager);
 
         boolean hasMobileData = DataUsageUtils.hasMobileData(context);
-        mDataUsageController = new DataUsageController(context);
-        mDataInfoController = new DataUsageInfoController();
 
         int defaultSubId = DataUsageUtils.getDefaultSubscriptionId(context);
         if (defaultSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
             hasMobileData = false;
         }
         mDefaultTemplate = DataUsageUtils.getDefaultTemplate(context, defaultSubId);
-        mSummaryPreference = (SummaryPreference) findPreference(KEY_STATUS_HEADER);
+        mSummaryPreference = (DataUsageSummaryPreference) findPreference(KEY_STATUS_HEADER);
 
         if (!hasMobileData || !isAdmin()) {
             removePreference(KEY_RESTRICT_BACKGROUND);
         }
         if (hasMobileData) {
-            mLimitPreference = findPreference(KEY_LIMIT_SUMMARY);
             List<SubscriptionInfo> subscriptions =
                     services.mSubscriptionManager.getActiveSubscriptionInfoList();
             if (subscriptions == null || subscriptions.size() == 0) {
@@ -127,10 +116,6 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
                     addMobileSection(subInfo.getSubscriptionId());
                 }
             }
-            mSummaryPreference.setSelectable(true);
-        } else {
-            removePreference(KEY_LIMIT_SUMMARY);
-            mSummaryPreference.setSelectable(false);
         }
         boolean hasWifiRadio = DataUsageUtils.hasWifiRadio(context);
         if (hasWifiRadio) {
@@ -139,10 +124,6 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
         if (hasEthernet(context)) {
             addEthernetSection();
         }
-        mDataUsageTemplate = hasMobileData ? R.string.cell_data_template
-                : hasWifiRadio ? R.string.wifi_data_template
-                : R.string.ethernet_data_template;
-
         setHasOptionsMenu(true);
     }
 
@@ -189,7 +170,11 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
 
     @Override
     protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
-        return null;
+        final ArrayList<AbstractPreferenceController> controllers = new ArrayList<>();
+        mSummaryController =
+                new DataUsageSummaryPreferenceController(context);
+        controllers.add(mSummaryController);
+        return controllers;
     }
 
     private void addMobileSection(int subId) {
@@ -269,36 +254,6 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
     }
 
     private void updateState() {
-        DataUsageController.DataUsageInfo info = mDataUsageController.getDataUsageInfo(
-                mDefaultTemplate);
-        Context context = getContext();
-        mDataInfoController.updateDataLimit(info,
-                services.mPolicyEditor.getPolicy(mDefaultTemplate));
-
-        if (mSummaryPreference != null) {
-            mSummaryPreference.setTitle(
-                    formatUsage(context, getString(mDataUsageTemplate), info.usageLevel));
-            final long limit = mDataInfoController.getSummaryLimit(info);
-            mSummaryPreference.setSummary(info.period);
-            if (limit <= 0) {
-                mSummaryPreference.setChartEnabled(false);
-            } else {
-                mSummaryPreference.setChartEnabled(true);
-                mSummaryPreference.setLabels(Formatter.formatFileSize(context, 0),
-                        Formatter.formatFileSize(context, limit));
-                mSummaryPreference.setRatios(info.usageLevel / (float) limit, 0,
-                        (limit - info.usageLevel) / (float) limit);
-            }
-        }
-        if (mLimitPreference != null && (info.warningLevel > 0 || info.limitLevel > 0)) {
-            String warning = Formatter.formatFileSize(context, info.warningLevel);
-            String limit = Formatter.formatFileSize(context, info.limitLevel);
-            mLimitPreference.setSummary(getString(info.limitLevel <= 0 ? R.string.cell_warning_only
-                    : R.string.cell_warning_and_limit, warning, limit));
-        } else if (mLimitPreference != null) {
-            mLimitPreference.setSummary(null);
-        }
-
         PreferenceScreen screen = getPreferenceScreen();
         for (int i = 1; i < screen.getPreferenceCount(); i++) {
             ((TemplatePreferenceCategory) screen.getPreference(i)).pushTemplates(services);
@@ -323,6 +278,7 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
     @Override
     public void updateDataUsage() {
         updateState();
+        mSummaryController.updateState(mSummaryPreference);
     }
 
     private static class SummaryProvider
@@ -341,17 +297,39 @@ public class DataUsageSummary extends DataUsageBaseFragment implements Indexable
         @Override
         public void setListening(boolean listening) {
             if (listening) {
-                DataUsageController.DataUsageInfo info = mDataController.getDataUsageInfo();
-                String used;
-                if (info == null) {
-                    used = Formatter.formatFileSize(mActivity, 0);
-                } else if (info.limitLevel <= 0) {
-                    used = Formatter.formatFileSize(mActivity, info.usageLevel);
-                } else {
-                    used = Utils.formatPercentage(info.usageLevel, info.limitLevel);
-                }
                 mSummaryLoader.setSummary(this,
-                        mActivity.getString(R.string.data_usage_summary_format, used));
+                        mActivity.getString(R.string.data_usage_summary_format, formatUsedData()));
+            }
+        }
+
+        private String formatUsedData() {
+            SubscriptionManager subscriptionManager = (SubscriptionManager) mActivity
+                .getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
+            int defaultSubId = subscriptionManager.getDefaultSubscriptionId();
+            if (defaultSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+                return formatFallbackData();
+            }
+            SubscriptionPlan dfltPlan = DataUsageSummaryPreferenceController
+                    .getPrimaryPlan(subscriptionManager, defaultSubId);
+            if (dfltPlan == null) {
+                return formatFallbackData();
+            }
+            if (DataUsageSummaryPreferenceController.unlimited(dfltPlan.getDataLimitBytes())) {
+                return Formatter.formatFileSize(mActivity, dfltPlan.getDataUsageBytes());
+            } else {
+                return Utils.formatPercentage(dfltPlan.getDataUsageBytes(),
+                    dfltPlan.getDataLimitBytes());
+            }
+        }
+
+        private String formatFallbackData() {
+            DataUsageController.DataUsageInfo info = mDataController.getDataUsageInfo();
+            if (info == null) {
+                return Formatter.formatFileSize(mActivity, 0);
+            } else if (info.limitLevel <= 0) {
+                return Formatter.formatFileSize(mActivity, info.usageLevel);
+            } else {
+                return Utils.formatPercentage(info.usageLevel, info.limitLevel);
             }
         }
     }
diff --git a/src/com/android/settings/datausage/DataUsageSummaryPreference.java b/src/com/android/settings/datausage/DataUsageSummaryPreference.java
new file mode 100644
index 00000000000..984df023507
--- /dev/null
+++ b/src/com/android/settings/datausage/DataUsageSummaryPreference.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2018 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.datausage;
+
+import android.content.Context;
+import android.content.Intent;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import com.android.settings.R;
+import com.android.settings.SummaryPreference;
+import com.android.settingslib.utils.StringUtil;
+
+import libcore.util.Objects;
+
+/**
+ * Provides a summary of data usage.
+ */
+public class DataUsageSummaryPreference extends SummaryPreference {
+
+    private int mNumPlans;
+    /** The ending time of the billing cycle in milliseconds since epoch. */
+    private long mCycleEndTimeMs;
+    /** The time of the last update in standard milliseconds since the epoch */
+    private long mSnapshotTimeMs;
+    /** Name of carrier, or null if not available */
+    private CharSequence mCarrierName;
+    private String mLimitInfoText;
+    private Intent mLaunchIntent;
+
+    public DataUsageSummaryPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setLayoutResource(R.layout.data_usage_summary_preference);
+    }
+
+    public void setLimitInfo(String text) {
+        if (!Objects.equal(text, mLimitInfoText)) {
+            mLimitInfoText = text;
+            notifyChanged();
+        }
+    }
+
+    public void setUsageInfo(long cycleEnd, long snapshotTime, CharSequence carrierName,
+            int numPlans, Intent launchIntent) {
+        mCycleEndTimeMs = cycleEnd;
+        mSnapshotTimeMs = snapshotTime;
+        mCarrierName = carrierName;
+        mNumPlans = numPlans;
+        mLaunchIntent = launchIntent;
+        notifyChanged();
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+
+        TextView usageTitle = (TextView) holder.findViewById(R.id.usage_title);
+        usageTitle.setVisibility(mNumPlans > 1 ? View.VISIBLE : View.GONE);
+
+        TextView cycleTime = (TextView) holder.findViewById(R.id.cycle_left_time);
+        cycleTime.setText(getContext().getString(R.string.cycle_left_time_text,
+                StringUtil.formatElapsedTime(getContext(),
+                        mCycleEndTimeMs - System.currentTimeMillis(),false /* withSeconds */)));
+
+        TextView carrierInfo = (TextView) holder.findViewById(R.id.carrier_and_update);
+        setCarrierInfo(carrierInfo, mCarrierName, mSnapshotTimeMs);
+
+        Button launchButton = (Button) holder.findViewById(R.id.launch_mdp_app_button);
+        launchButton.setOnClickListener((view) -> {
+            getContext().sendBroadcast(mLaunchIntent);
+        });
+        if (mLaunchIntent != null) {
+            launchButton.setVisibility(View.VISIBLE);
+        } else {
+            launchButton.setVisibility(View.GONE);
+        }
+
+        TextView limitInfo = (TextView) holder.findViewById(R.id.data_limits);
+        limitInfo.setVisibility(
+                mLimitInfoText == null || mLimitInfoText.isEmpty() ? View.GONE : View.VISIBLE);
+        limitInfo.setText(mLimitInfoText);
+    }
+
+    private void setCarrierInfo(TextView carrierInfo, CharSequence carrierName, long updateAge) {
+        if (mNumPlans > 0 && updateAge >= 0L) {
+            carrierInfo.setVisibility(View.VISIBLE);
+            if (carrierName != null) {
+                carrierInfo.setText(getContext().getString(R.string.carrier_and_update_text,
+                        carrierName, StringUtil.formatRelativeTime(
+                                getContext(), updateAge, false /* withSeconds */)));
+            } else {
+                carrierInfo.setText(getContext().getString(R.string.no_carrier_update_text,
+                        StringUtil.formatRelativeTime(
+                                getContext(), updateAge, false /* withSeconds */)));
+            }
+        } else {
+            carrierInfo.setVisibility(View.GONE);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java b/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java
new file mode 100644
index 00000000000..11da829ad61
--- /dev/null
+++ b/src/com/android/settings/datausage/DataUsageSummaryPreferenceController.java
@@ -0,0 +1,286 @@
+/*
+ * Copyright (C) 2018 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.datausage;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.NetworkPolicyManager;
+import android.net.NetworkTemplate;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+import android.telephony.SubscriptionPlan;
+import android.text.BidiFormatter;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.TextUtils;
+import android.text.format.Formatter;
+import android.text.style.RelativeSizeSpan;
+import android.util.Log;
+import android.util.RecurrenceRule;
+
+import com.android.internal.util.CollectionUtils;
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settingslib.NetworkPolicyEditor;
+import com.android.settingslib.net.DataUsageController;
+
+import java.util.List;
+
+/**
+ * This is the controller for the top of the data usage screen that retrieves carrier data from the
+ * new subscriptions framework API if available. The controller reads subscription information from
+ * the framework and falls back to legacy usage data if none are available.
+ */
+public class DataUsageSummaryPreferenceController extends BasePreferenceController {
+
+    private static final String TAG = "DataUsageController";
+    private static final String KEY = "status_header";
+    private static final long PETA = 1000000000000000L;
+    private static final float RELATIVE_SIZE_LARGE = 1.25f * 1.25f;  // (1/0.8)^2
+    private static final float RELATIVE_SIZE_SMALL = 1.0f / RELATIVE_SIZE_LARGE;  // 0.8^2
+
+    private final DataUsageController mDataUsageController;
+    private final DataUsageInfoController mDataInfoController;
+    private final NetworkTemplate mDefaultTemplate;
+    private final NetworkPolicyEditor mPolicyEditor;
+    private final int mDataUsageTemplate;
+    private final boolean mHasMobileData;
+    private final SubscriptionManager mSubscriptionManager;
+
+    /** Name of the carrier, or null if not available */
+    private CharSequence mCarrierName;
+
+    /** The number of registered plans, [0,N] */
+    private int mDataplanCount;
+
+    /** The time of the last update in milliseconds since the epoch, or -1 if unknown */
+    private long mSnapshotTime;
+
+    /**
+     * The size of the first registered plan if one exists or the size of the warning if it is set.
+     * -1 if no information is available.
+     */
+    private long mDataplanSize;
+    /** The number of bytes used since the start of the cycle. */
+    private long mDataplanUse;
+    /** The starting time of the billing cycle in ms since the epoch */
+    private long mCycleStart;
+    /** The ending time of the billing cycle in ms since the epoch */
+    private long mCycleEnd;
+
+    private Intent mManageSubscriptionIntent;
+
+    public DataUsageSummaryPreferenceController(Context context) {
+        super(context, KEY);
+
+        final int defaultSubId = DataUsageUtils.getDefaultSubscriptionId(context);
+        mDefaultTemplate = DataUsageUtils.getDefaultTemplate(context, defaultSubId);
+        NetworkPolicyManager policyManager = NetworkPolicyManager.from(context);
+        mPolicyEditor = new NetworkPolicyEditor(policyManager);
+
+        mHasMobileData = DataUsageUtils.hasMobileData(context)
+                && defaultSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+
+        mDataUsageController = new DataUsageController(context);
+        mDataInfoController = new DataUsageInfoController();
+
+        if (mHasMobileData) {
+            mDataUsageTemplate = R.string.cell_data_template;
+        } else if (DataUsageUtils.hasWifiRadio(context)) {
+            mDataUsageTemplate = R.string.wifi_data_template;
+        } else {
+            mDataUsageTemplate = R.string.ethernet_data_template;
+        }
+
+        mSubscriptionManager = (SubscriptionManager)
+                mContext.getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);
+    }
+
+    @VisibleForTesting
+    DataUsageSummaryPreferenceController(
+            Context context,
+            DataUsageController dataUsageController,
+            DataUsageInfoController dataInfoController,
+            NetworkTemplate defaultTemplate,
+            NetworkPolicyEditor policyEditor,
+            int dataUsageTemplate,
+            boolean hasMobileData,
+            SubscriptionManager subscriptionManager) {
+        super(context, KEY);
+        mDataUsageController = dataUsageController;
+        mDataInfoController = dataInfoController;
+        mDefaultTemplate = defaultTemplate;
+        mPolicyEditor = policyEditor;
+        mDataUsageTemplate = dataUsageTemplate;
+        mHasMobileData = hasMobileData;
+        mSubscriptionManager = subscriptionManager;
+    }
+
+    @VisibleForTesting
+    void setPlanValues(int dataPlanCount, long dataPlanSize, long dataPlanUse) {
+        mDataplanCount = dataPlanCount;
+        mDataplanSize = dataPlanSize;
+        mDataplanUse = dataPlanUse;
+    }
+
+    @VisibleForTesting
+    void setCarrierValues(String carrierName, long snapshotTime, long cycleEnd, Intent intent) {
+        mCarrierName = carrierName;
+        mSnapshotTime = snapshotTime;
+        mCycleEnd = cycleEnd;
+        mManageSubscriptionIntent = intent;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        DataUsageSummaryPreference summaryPreference = (DataUsageSummaryPreference) preference;
+        DataUsageController.DataUsageInfo info = mDataUsageController.getDataUsageInfo(
+                mDefaultTemplate);
+
+        mDataInfoController.updateDataLimit(info, mPolicyEditor.getPolicy(mDefaultTemplate));
+
+        if (mSubscriptionManager != null) {
+            refreshDataplanInfo(info);
+        }
+
+        if (mDataplanCount == 0 && (info.warningLevel > 0 || info.limitLevel > 0)) {
+            final String warning = Formatter.formatFileSize(mContext, info.warningLevel);
+            final String limit = Formatter.formatFileSize(mContext, info.limitLevel);
+            summaryPreference.setLimitInfo(mContext.getString(info.limitLevel <= 0
+                    ? R.string.cell_warning_only
+                    : R.string.cell_warning_and_limit, warning, limit));
+        } else {
+            summaryPreference.setLimitInfo(null);
+        }
+
+        final StringBuilder title = new StringBuilder();
+        if (mHasMobileData) {
+            title.append(formatUsage(mContext, mContext.getString(R.string.data_used),
+                    mDataplanUse));
+            if (mDataplanCount >= 0 && mDataplanSize > 0L) {
+                title.append(formatUsage(mContext, mContext.getString(R.string.data_remaining),
+                        mDataplanSize - mDataplanUse));
+            }
+        } else {
+            title.append(formatUsage(mContext, mContext.getString(mDataUsageTemplate),
+                    mDataplanUse));
+        }
+        summaryPreference.setTitle(title.toString());
+
+        if (mDataplanSize <= 0) {
+            summaryPreference.setChartEnabled(false);
+        } else {
+            summaryPreference.setChartEnabled(true);
+            summaryPreference.setLabels(Formatter.formatFileSize(mContext, 0 /* sizeBytes */),
+                    Formatter.formatFileSize(mContext, mDataplanSize));
+            summaryPreference.setRatios(mDataplanUse / (float) mDataplanSize, 0 /* middle */,
+                    (mDataplanSize - mDataplanUse) / (float) mDataplanSize);
+        }
+        summaryPreference.setUsageInfo(mCycleEnd, mSnapshotTime, mCarrierName,
+                mDataplanCount, mManageSubscriptionIntent);
+    }
+
+    // TODO(b/70950124) add test for this method once the robolectric shadow run script is
+    // completed (b/3526807)
+    private void refreshDataplanInfo(DataUsageController.DataUsageInfo info) {
+        // reset data before overwriting
+        mCarrierName = null;
+        mDataplanCount = 0;
+        mDataplanSize = mDataInfoController.getSummaryLimit(info);
+        mDataplanUse = info.usageLevel;
+        mCycleStart = info.cycleStart;
+        mCycleEnd = info.cycleEnd;
+        mSnapshotTime = -1L;
+
+        final int defaultSubId = SubscriptionManager.getDefaultSubscriptionId();
+        final SubscriptionInfo subInfo = mSubscriptionManager.getDefaultDataSubscriptionInfo();
+        if (subInfo != null && mHasMobileData) {
+            mCarrierName = subInfo.getCarrierName();
+            List<SubscriptionPlan> plans = mSubscriptionManager.getSubscriptionPlans(defaultSubId);
+            final SubscriptionPlan primaryPlan = getPrimaryPlan(mSubscriptionManager, defaultSubId);
+            if (primaryPlan != null) {
+                mDataplanCount = plans.size();
+                mDataplanSize = primaryPlan.getDataLimitBytes();
+                if (unlimited(mDataplanSize)) {
+                    mDataplanSize = 0L;
+                }
+                mDataplanUse = primaryPlan.getDataUsageBytes();
+
+                RecurrenceRule rule = primaryPlan.getCycleRule();
+                if (rule != null && rule.start != null && rule.end != null) {
+                    mCycleStart = rule.start.toEpochSecond() * 1000L;
+                    mCycleEnd = rule.end.toEpochSecond() * 1000L;
+                }
+                mSnapshotTime = System.currentTimeMillis() - primaryPlan.getDataUsageTime();
+            }
+        }
+        mManageSubscriptionIntent =
+                mSubscriptionManager.createManageSubscriptionIntent(defaultSubId);
+        Log.i(TAG, "Have " + mDataplanCount + " plans, dflt sub-id " + defaultSubId
+                + ", intent " + mManageSubscriptionIntent);
+    }
+
+    public static SubscriptionPlan getPrimaryPlan(SubscriptionManager subManager, int primaryId) {
+        List<SubscriptionPlan> plans = subManager.getSubscriptionPlans(primaryId);
+        if (CollectionUtils.isEmpty(plans)) {
+            return null;
+        }
+        // First plan in the list is the primary plan
+        SubscriptionPlan plan = plans.get(0);
+        return plan.getDataLimitBytes() > 0
+                && saneSize(plan.getDataUsageBytes())
+                && plan.getCycleRule() != null ? plan : null;
+    }
+
+    private static boolean saneSize(long value) {
+        return value >= 0L && value < PETA;
+    }
+
+    public static boolean unlimited(long size) {
+        return size == SubscriptionPlan.BYTES_UNLIMITED;
+    }
+
+    @VisibleForTesting
+    private static CharSequence formatUsage(Context context, String template, long usageLevel) {
+        final int FLAGS = Spannable.SPAN_INCLUSIVE_INCLUSIVE;
+
+        final Formatter.BytesResult usedResult = Formatter.formatBytes(context.getResources(),
+                usageLevel, Formatter.FLAG_CALCULATE_ROUNDED);
+        final SpannableString enlargedValue = new SpannableString(usedResult.value);
+        enlargedValue.setSpan(
+                new RelativeSizeSpan(RELATIVE_SIZE_LARGE), 0, enlargedValue.length(), FLAGS);
+
+        final SpannableString amountTemplate = new SpannableString(
+                context.getString(com.android.internal.R.string.fileSizeSuffix)
+                        .replace("%1$s", "^1").replace("%2$s", "^2"));
+        final CharSequence formattedUsage = TextUtils.expandTemplate(amountTemplate,
+                enlargedValue, usedResult.units);
+
+        final SpannableString fullTemplate = new SpannableString(template);
+        fullTemplate.setSpan(
+                new RelativeSizeSpan(RELATIVE_SIZE_SMALL), 0, fullTemplate.length(), FLAGS);
+        return TextUtils.expandTemplate(fullTemplate,
+                BidiFormatter.getInstance().unicodeWrap(formattedUsage.toString()));
+    }
+}
diff --git a/src/com/android/settings/deviceinfo/aboutphone/MyDeviceInfoFragment.java b/src/com/android/settings/deviceinfo/aboutphone/MyDeviceInfoFragment.java
index bb952285ad5..03b69a5b4ee 100644
--- a/src/com/android/settings/deviceinfo/aboutphone/MyDeviceInfoFragment.java
+++ b/src/com/android/settings/deviceinfo/aboutphone/MyDeviceInfoFragment.java
@@ -21,6 +21,7 @@ import static com.android.settings.bluetooth.Utils.getLocalBtManager;
 import android.app.Activity;
 import android.app.Fragment;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.UserInfo;
 import android.os.Bundle;
 import android.os.UserManager;
@@ -126,6 +127,16 @@ public class MyDeviceInfoFragment extends DashboardFragment {
         return controllers;
     }
 
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        final BuildNumberPreferenceController buildNumberPreferenceController =
+            getPreferenceController(BuildNumberPreferenceController.class);
+        if (buildNumberPreferenceController.onActivityResult(requestCode, resultCode, data)) {
+            return;
+        }
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+
     private void initHeader() {
         // TODO: Migrate into its own controller.
         final LayoutPreference headerPreference =
diff --git a/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
index 2095f25e679..2f93d0a6ce0 100644
--- a/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
@@ -62,7 +62,8 @@ import java.util.List;
  */
 public class BatteryAppListPreferenceController extends AbstractPreferenceController
         implements PreferenceControllerMixin, LifecycleObserver, OnPause, OnDestroy {
-    private static final boolean USE_FAKE_DATA = true;
+    @VisibleForTesting
+    static final boolean USE_FAKE_DATA = false;
     private static final int MAX_ITEMS_TO_LIST = USE_FAKE_DATA ? 30 : 10;
     private static final int MIN_AVERAGE_POWER_THRESHOLD_MILLI_AMP = 10;
     private static final int STATS_TYPE = BatteryStats.STATS_SINCE_CHARGED;
diff --git a/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java b/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java
index d0f4080a4e2..ca4742d1fcb 100644
--- a/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java
+++ b/src/com/android/settings/fuelgauge/BatteryBroadcastReceiver.java
@@ -27,7 +27,7 @@ import com.android.settings.Utils;
 
 /**
  * Use this broadcastReceiver to listen to the battery change, and it will invoke
- * {@link OnBatteryChangedListener} if any of the followings has been changed:
+ * {@link OnBatteryChangedListener} if any of the following has been changed:
  *
  * 1. Battery level(e.g. 100%->99%)
  * 2. Battery status(e.g. plugged->unplugged)
@@ -35,7 +35,14 @@ import com.android.settings.Utils;
  */
 public class BatteryBroadcastReceiver extends BroadcastReceiver {
 
-    interface OnBatteryChangedListener {
+    /**
+     * Callback when the following has been changed:
+     *
+     * Battery level(e.g. 100%->99%)
+     * Battery status(e.g. plugged->unplugged)
+     * Battery saver(e.g. off->on)
+     */
+    public interface OnBatteryChangedListener {
         void onBatteryChanged();
     }
 
diff --git a/src/com/android/settings/fuelgauge/BatterySaverReceiver.java b/src/com/android/settings/fuelgauge/BatterySaverReceiver.java
index 22544389cf4..300dc0f01d8 100644
--- a/src/com/android/settings/fuelgauge/BatterySaverReceiver.java
+++ b/src/com/android/settings/fuelgauge/BatterySaverReceiver.java
@@ -69,7 +69,7 @@ public class BatterySaverReceiver extends BroadcastReceiver {
         mBatterySaverListener = lsn;
     }
 
-    interface BatterySaverListener {
+    public interface BatterySaverListener {
         void onPowerSaveModeChanged();
         void onBatteryChanged(boolean pluggedIn);
     }
diff --git a/src/com/android/settings/fuelgauge/InactiveApps.java b/src/com/android/settings/fuelgauge/InactiveApps.java
index f91a5c6902b..ac09a575685 100644
--- a/src/com/android/settings/fuelgauge/InactiveApps.java
+++ b/src/com/android/settings/fuelgauge/InactiveApps.java
@@ -16,12 +16,21 @@
 
 package com.android.settings.fuelgauge;
 
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_ACTIVE;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_EXEMPTED;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_FREQUENT;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_NEVER;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_RARE;
+import static android.app.usage.UsageStatsManager.STANDBY_BUCKET_WORKING_SET;
+
 import android.app.usage.UsageStatsManager;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
 import android.os.Bundle;
+import android.support.v7.preference.ListPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.Preference.OnPreferenceClickListener;
 import android.support.v7.preference.PreferenceGroup;
@@ -29,10 +38,22 @@ import android.support.v7.preference.PreferenceGroup;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.widget.RadioButtonPreference;
 
 import java.util.List;
 
-public class InactiveApps extends SettingsPreferenceFragment implements OnPreferenceClickListener {
+public class InactiveApps extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener {
+
+    private static final CharSequence[] SETTABLE_BUCKETS_NAMES =
+            {"ACTIVE", "WORKING_SET", "FREQUENT", "RARE"};
+
+    private static final CharSequence[] SETTABLE_BUCKETS_VALUES = {
+            Integer.toString(STANDBY_BUCKET_ACTIVE),
+            Integer.toString(STANDBY_BUCKET_WORKING_SET),
+            Integer.toString(STANDBY_BUCKET_FREQUENT),
+            Integer.toString(STANDBY_BUCKET_RARE)
+    };
 
     private UsageStatsManager mUsageStats;
 
@@ -68,29 +89,51 @@ public class InactiveApps extends SettingsPreferenceFragment implements OnPrefer
         List<ResolveInfo> apps = pm.queryIntentActivities(launcherIntent, 0);
         for (ResolveInfo app : apps) {
             String packageName = app.activityInfo.applicationInfo.packageName;
-            Preference p = new Preference(getPrefContext());
+            ListPreference p = new ListPreference(getPrefContext());
             p.setTitle(app.loadLabel(pm));
             p.setIcon(app.loadIcon(pm));
             p.setKey(packageName);
+            p.setEntries(SETTABLE_BUCKETS_NAMES);
+            p.setEntryValues(SETTABLE_BUCKETS_VALUES);
             updateSummary(p);
-            p.setOnPreferenceClickListener(this);
+            p.setOnPreferenceChangeListener(this);
 
             screen.addPreference(p);
         }
     }
 
-    private void updateSummary(Preference p) {
-        boolean inactive = mUsageStats.isAppInactive(p.getKey());
-        p.setSummary(inactive
-                ? R.string.inactive_app_inactive_summary
-                : R.string.inactive_app_active_summary);
+    static String bucketToName(int bucket) {
+        switch (bucket) {
+            case STANDBY_BUCKET_EXEMPTED: return "EXEMPTED";
+            case STANDBY_BUCKET_ACTIVE: return "ACTIVE";
+            case STANDBY_BUCKET_WORKING_SET: return "WORKING_SET";
+            case STANDBY_BUCKET_FREQUENT: return "FREQUENT";
+            case STANDBY_BUCKET_RARE: return "RARE";
+            case STANDBY_BUCKET_NEVER: return "NEVER";
+        }
+        return "";
+    }
+
+    private void updateSummary(ListPreference p) {
+        final Resources res = getActivity().getResources();
+        final int appBucket = mUsageStats.getAppStandbyBucket(p.getKey());
+        final String bucketName = bucketToName(appBucket);
+        p.setSummary(res.getString(R.string.standby_bucket_summary, bucketName));
+        // Buckets outside of the range of the dynamic ones are only used for special
+        // purposes and can either not be changed out of, or might have undesirable
+        // side-effects in combination with other assumptions.
+        final boolean changeable = appBucket >= STANDBY_BUCKET_ACTIVE
+                && appBucket <= STANDBY_BUCKET_RARE;
+        if (changeable) {
+            p.setValue(Integer.toString(appBucket));
+        }
+        p.setEnabled(changeable);
     }
 
     @Override
-    public boolean onPreferenceClick(Preference preference) {
-        String packageName = preference.getKey();
-        mUsageStats.setAppInactive(packageName, !mUsageStats.isAppInactive(packageName));
-        updateSummary(preference);
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        mUsageStats.setAppStandbyBucket(preference.getKey(), Integer.parseInt((String) newValue));
+        updateSummary((ListPreference) preference);
         return false;
     }
 }
diff --git a/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java b/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java
new file mode 100644
index 00000000000..1d427c9f953
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceController.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.fuelgauge.batterysaver;
+
+import android.content.Context;
+import android.os.PowerManager;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.fuelgauge.BatteryBroadcastReceiver;
+import com.android.settings.fuelgauge.BatterySaverReceiver;
+import com.android.settings.widget.TwoStateButtonPreferenceController;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
+
+/**
+ * Controller to update the battery saver button
+ */
+public class BatterySaverButtonPreferenceController extends
+        TwoStateButtonPreferenceController implements
+        LifecycleObserver, OnStart, OnStop, BatterySaverReceiver.BatterySaverListener {
+    private static final String KEY = "battery_saver_button_container";
+    private BatterySaverReceiver mBatterySaverReceiver;
+    @VisibleForTesting
+    PowerManager mPowerManager;
+
+    public BatterySaverButtonPreferenceController(Context context, Lifecycle lifecycle) {
+        super(context, KEY);
+        mPowerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
+        mBatterySaverReceiver = new BatterySaverReceiver(context);
+        mBatterySaverReceiver.setBatterySaverListener(this);
+        if (lifecycle != null) {
+            lifecycle.addObserver(this);
+        }
+    }
+
+    @Override
+    public void onStart() {
+        mBatterySaverReceiver.setListening(true);
+    }
+
+    @Override
+    public void onStop() {
+        mBatterySaverReceiver.setListening(false);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        setButtonVisibility(!mPowerManager.isPowerSaveMode());
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void onButtonClicked(boolean stateOn) {
+        mPowerManager.setPowerSaveMode(stateOn);
+    }
+
+    @Override
+    public void onPowerSaveModeChanged() {
+        setButtonVisibility(!mPowerManager.isPowerSaveMode());
+    }
+
+    @Override
+    public void onBatteryChanged(boolean pluggedIn) {
+        setButtonEnabled(!pluggedIn);
+    }
+}
\ No newline at end of file
diff --git a/src/com/android/settings/fuelgauge/batterysaver/BatterySaverSettings.java b/src/com/android/settings/fuelgauge/batterysaver/BatterySaverSettings.java
index 392032ce21b..2340675554d 100644
--- a/src/com/android/settings/fuelgauge/batterysaver/BatterySaverSettings.java
+++ b/src/com/android/settings/fuelgauge/batterysaver/BatterySaverSettings.java
@@ -78,6 +78,7 @@ public class BatterySaverSettings extends DashboardFragment {
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
         controllers.add(new AutoBatterySaverPreferenceController(context));
         controllers.add(new AutoBatterySeekBarPreferenceController(context, lifecycle));
+        controllers.add(new BatterySaverButtonPreferenceController(context, lifecycle));
         return controllers;
     }
 
diff --git a/src/com/android/settings/search/actionbar/SearchMenuController.java b/src/com/android/settings/search/actionbar/SearchMenuController.java
index f3a92852359..1729ccdb39a 100644
--- a/src/com/android/settings/search/actionbar/SearchMenuController.java
+++ b/src/com/android/settings/search/actionbar/SearchMenuController.java
@@ -28,6 +28,7 @@ import com.android.settings.R;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.SearchFeatureProvider;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.ObservableFragment;
 import com.android.settingslib.core.lifecycle.ObservablePreferenceFragment;
 import com.android.settingslib.core.lifecycle.events.OnCreateOptionsMenu;
 
@@ -41,6 +42,10 @@ public class SearchMenuController implements LifecycleObserver, OnCreateOptionsM
         host.getLifecycle().addObserver(new SearchMenuController(host));
     }
 
+    public static void init(@NonNull ObservableFragment host) {
+        host.getLifecycle().addObserver(new SearchMenuController(host));
+    }
+
     private SearchMenuController(@NonNull Fragment host) {
         mHost = host;
     }
diff --git a/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java b/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
index a9e56f46dca..55448e2aa63 100644
--- a/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
+++ b/src/com/android/settings/security/VisiblePatternProfilePreferenceController.java
@@ -44,6 +44,11 @@ public class VisiblePatternProfilePreferenceController extends TogglePreferenceC
 
     private Preference mPreference;
 
+    public VisiblePatternProfilePreferenceController(Context context) {
+         this(context, null /* lifecycle */);
+    }
+
+    // TODO (b/73074893) Replace this constructor without Lifecycle using setter method instead.
     public VisiblePatternProfilePreferenceController(Context context, Lifecycle lifecycle) {
         super(context, KEY_VISIBLE_PATTERN_PROFILE);
         mUm = (UserManager) context.getSystemService(Context.USER_SERVICE);
diff --git a/src/com/android/settings/support/actionbar/HelpMenuController.java b/src/com/android/settings/support/actionbar/HelpMenuController.java
index a95d44e5d44..1188fc2bb1a 100644
--- a/src/com/android/settings/support/actionbar/HelpMenuController.java
+++ b/src/com/android/settings/support/actionbar/HelpMenuController.java
@@ -27,6 +27,7 @@ import android.view.MenuInflater;
 
 import com.android.settingslib.HelpUtils;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.ObservableFragment;
 import com.android.settingslib.core.lifecycle.ObservablePreferenceFragment;
 import com.android.settingslib.core.lifecycle.events.OnCreateOptionsMenu;
 
@@ -41,6 +42,10 @@ public class HelpMenuController implements LifecycleObserver, OnCreateOptionsMen
         host.getLifecycle().addObserver(new HelpMenuController(host));
     }
 
+    public static void init(@NonNull ObservableFragment host) {
+        host.getLifecycle().addObserver(new HelpMenuController(host));
+    }
+
     private HelpMenuController(@NonNull Fragment host) {
         mHost = host;
     }
diff --git a/src/com/android/settings/widget/MasterCheckBoxPreference.java b/src/com/android/settings/widget/MasterCheckBoxPreference.java
index 552f51c115f..fceeac22f00 100644
--- a/src/com/android/settings/widget/MasterCheckBoxPreference.java
+++ b/src/com/android/settings/widget/MasterCheckBoxPreference.java
@@ -83,6 +83,7 @@ public class MasterCheckBoxPreference extends TwoTargetPreference {
         if (mCheckBox != null) {
             mCheckBox.setContentDescription(getTitle());
             mCheckBox.setChecked(mChecked);
+            mCheckBox.setEnabled(mEnableCheckBox);
         }
     }
 
diff --git a/src/com/android/settings/widget/TwoStateButtonPreference.java b/src/com/android/settings/widget/TwoStateButtonPreference.java
new file mode 100644
index 00000000000..6b5fbbb0e11
--- /dev/null
+++ b/src/com/android/settings/widget/TwoStateButtonPreference.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2018 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.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.support.v4.content.res.TypedArrayUtils;
+import android.util.AttributeSet;
+import android.widget.Button;
+
+import com.android.settings.R;
+import com.android.settings.applications.LayoutPreference;
+
+/**
+ * Preference that presents a button with two states(On vs Off)
+ */
+public class TwoStateButtonPreference extends LayoutPreference {
+    public TwoStateButtonPreference(Context context, AttributeSet attrs) {
+        super(context, attrs, TypedArrayUtils.getAttr(
+                context, R.attr.twoStateButtonPreferenceStyle, android.R.attr.preferenceStyle));
+
+        if (attrs != null) {
+            final TypedArray styledAttrs = context.obtainStyledAttributes(attrs,
+                    R.styleable.TwoStateButtonPreference);
+            final int textOnId = styledAttrs.getResourceId(
+                    R.styleable.TwoStateButtonPreference_textOn,
+                    R.string.summary_placeholder);
+            final int textOffId = styledAttrs.getResourceId(
+                    R.styleable.TwoStateButtonPreference_textOff,
+                    R.string.summary_placeholder);
+            styledAttrs.recycle();
+
+            final Button buttonOn = getStateOnButton();
+            buttonOn.setText(textOnId);
+            final Button buttonOff = getStateOffButton();
+            buttonOff.setText(textOffId);
+        }
+    }
+
+    public Button getStateOnButton() {
+        return findViewById(R.id.state_on_button);
+    }
+
+
+    public Button getStateOffButton() {
+        return findViewById(R.id.state_off_button);
+    }
+}
\ No newline at end of file
diff --git a/src/com/android/settings/widget/TwoStateButtonPreferenceController.java b/src/com/android/settings/widget/TwoStateButtonPreferenceController.java
new file mode 100644
index 00000000000..47699ef0a7b
--- /dev/null
+++ b/src/com/android/settings/widget/TwoStateButtonPreferenceController.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2018 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.widget;
+
+import android.content.Context;
+import android.support.v7.preference.PreferenceScreen;
+import android.view.View;
+import android.widget.Button;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Controller to update the button with two states(On vs Off).
+ */
+public abstract class TwoStateButtonPreferenceController extends BasePreferenceController
+        implements View.OnClickListener {
+    private Button mButtonOn;
+    private Button mButtonOff;
+
+    public TwoStateButtonPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        final TwoStateButtonPreference preference =
+                (TwoStateButtonPreference) screen.findPreference(getPreferenceKey());
+        mButtonOn = preference.getStateOnButton();
+        mButtonOn.setOnClickListener(this);
+        mButtonOff = preference.getStateOffButton();
+        mButtonOff.setOnClickListener(this);
+    }
+
+    protected void setButtonVisibility(boolean stateOn) {
+        if (stateOn) {
+            mButtonOff.setVisibility(View.GONE);
+            mButtonOn.setVisibility(View.VISIBLE);
+        } else {
+            mButtonOff.setVisibility(View.VISIBLE);
+            mButtonOn.setVisibility(View.GONE);
+        }
+    }
+
+    protected void setButtonEnabled(boolean enabled) {
+        mButtonOn.setEnabled(enabled);
+        mButtonOff.setEnabled(enabled);
+    }
+
+    @Override
+    public void onClick(View v) {
+        final boolean stateOn = v.getId() == R.id.state_on_button;
+        onButtonClicked(stateOn);
+    }
+
+    /**
+     * Callback when button is clicked
+     *
+     * @param stateOn {@code true} if stateOn button is clicked, otherwise it means stateOff
+     *                button is clicked
+     */
+    public abstract void onButtonClicked(boolean stateOn);
+}
\ No newline at end of file
diff --git a/src/com/android/settings/WifiCallingSettings.java b/src/com/android/settings/wifi/calling/WifiCallingSettings.java
similarity index 80%
rename from src/com/android/settings/WifiCallingSettings.java
rename to src/com/android/settings/wifi/calling/WifiCallingSettings.java
index e872fb80446..7bab07a5840 100644
--- a/src/com/android/settings/WifiCallingSettings.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettings.java
@@ -14,11 +14,10 @@
  * limitations under the License.
  */
 
-package com.android.settings;
+package com.android.settings.wifi.calling;
 
 import android.app.Fragment;
 import android.app.FragmentManager;
-import android.content.Context;
 import android.os.Bundle;
 import android.support.v13.app.FragmentPagerAdapter;
 import android.telephony.SubscriptionInfo;
@@ -28,9 +27,13 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
-import com.android.ims.ImsConfig;
 import com.android.ims.ImsManager;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.core.InstrumentedFragment;
+import com.android.settings.search.actionbar.SearchMenuController;
+import com.android.settings.support.actionbar.HelpMenuController;
+import com.android.settings.support.actionbar.HelpResourceProvider;
 import com.android.settings.widget.RtlCompatibleViewPager;
 import com.android.settings.widget.SlidingTabLayout;
 
@@ -40,7 +43,7 @@ import java.util.List;
  * "Wi-Fi Calling settings" screen. This is the container fragment which holds
  * {@link WifiCallingSettingsForSub} fragments.
  */
-public class WifiCallingSettings extends SettingsPreferenceFragment {
+public class WifiCallingSettings extends InstrumentedFragment implements HelpResourceProvider {
     private static final String TAG = "WifiCallingSettings";
     private List<SubscriptionInfo> mSil;
 
@@ -71,6 +74,10 @@ public class WifiCallingSettings extends SettingsPreferenceFragment {
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
+        setHasOptionsMenu(true);
+        SearchMenuController.init(this /* host */);
+        HelpMenuController.init(this /* host */);
+
         // TODO: besides in onCreate, we should also update subList when SIM / Sub status
         // changes.
         updateSubList();
@@ -87,6 +94,11 @@ public class WifiCallingSettings extends SettingsPreferenceFragment {
         }
     }
 
+    @Override
+    public int getHelpResource() {
+        return R.string.help_uri_wifi_calling;
+    }
+
     private final class WifiCallingViewPagerAdapter extends FragmentPagerAdapter {
         private final RtlCompatibleViewPager mViewPager;
 
@@ -105,6 +117,7 @@ public class WifiCallingSettings extends SettingsPreferenceFragment {
         public Fragment getItem(int position) {
             Log.d(TAG, "Adapter getItem " + position);
             final Bundle args = new Bundle();
+            args.putBoolean(SearchMenuController.NEED_SEARCH_ICON_IN_ACTION_BAR, false);
             args.putInt(WifiCallingSettingsForSub.FRAGMENT_BUNDLE_SUBID,
                     mSil.get(position).getSubscriptionId());
             WifiCallingSettingsForSub fragment = new WifiCallingSettingsForSub();
@@ -132,26 +145,6 @@ public class WifiCallingSettings extends SettingsPreferenceFragment {
         }
     }
 
-    public static int getWfcModeSummary(Context context, int wfcMode) {
-        int resId = com.android.internal.R.string.wifi_calling_off_summary;
-        if (ImsManager.isWfcEnabledByUser(context)) {
-            switch (wfcMode) {
-                case ImsConfig.WfcModeFeatureValueConstants.WIFI_ONLY:
-                    resId = com.android.internal.R.string.wfc_mode_wifi_only_summary;
-                    break;
-                case ImsConfig.WfcModeFeatureValueConstants.CELLULAR_PREFERRED:
-                    resId = com.android.internal.R.string.wfc_mode_cellular_preferred_summary;
-                    break;
-                case ImsConfig.WfcModeFeatureValueConstants.WIFI_PREFERRED:
-                    resId = com.android.internal.R.string.wfc_mode_wifi_preferred_summary;
-                    break;
-                default:
-                    Log.e(TAG, "Unexpected WFC mode value: " + wfcMode);
-            }
-        }
-        return resId;
-    }
-
     private void updateSubList() {
         mSil = SubscriptionManager.from(getActivity()).getActiveSubscriptionInfoList();
 
@@ -159,7 +152,7 @@ public class WifiCallingSettings extends SettingsPreferenceFragment {
         if (mSil == null) {
             return;
         }
-        for (int i = 0; i < mSil.size();) {
+        for (int i = 0; i < mSil.size(); ) {
             ImsManager imsManager = ImsManager.getInstance(getActivity(),
                     mSil.get(i).getSimSlotIndex());
             if (!imsManager.isWfcEnabledByPlatform()) {
diff --git a/src/com/android/settings/WifiCallingSettingsForSub.java b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
similarity index 98%
rename from src/com/android/settings/WifiCallingSettingsForSub.java
rename to src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
index ba5ba84a418..2bfd7961d26 100644
--- a/src/com/android/settings/WifiCallingSettingsForSub.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.settings;
+package com.android.settings.wifi.calling;
 
 import android.app.Activity;
 import android.app.AlertDialog;
@@ -45,6 +45,10 @@ import com.android.ims.ImsConfig;
 import com.android.ims.ImsManager;
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.internal.telephony.Phone;
+import com.android.settings.R;
+import com.android.settings.SettingsActivity;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.Utils;
 import com.android.settings.widget.SwitchBar;
 
 /**
@@ -54,7 +58,7 @@ import com.android.settings.widget.SwitchBar;
 public class WifiCallingSettingsForSub extends SettingsPreferenceFragment
         implements SwitchBar.OnSwitchChangeListener,
         Preference.OnPreferenceChangeListener {
-    private static final String TAG = "WifiCallingSettingsForSub";
+    private static final String TAG = "WifiCallingForSub";
 
     //String keys for preference lookup
     private static final String BUTTON_WFC_MODE = "wifi_calling_mode";
@@ -130,12 +134,6 @@ public class WifiCallingSettingsForSub extends SettingsPreferenceFragment
         }
     };
 
-    @Override
-    public int getHelpResource() {
-        // Helper resource is already defined in the container fragment.
-        return 0;
-    }
-
     private final OnPreferenceClickListener mUpdateAddressListener =
             new OnPreferenceClickListener() {
                 /*
@@ -226,8 +224,7 @@ public class WifiCallingSettingsForSub extends SettingsPreferenceFragment
 
         // SubId should always be specified when creating this fragment. Either through
         // fragment.setArguments() or through savedInstanceState.
-        if (getArguments() != null && getArguments().containsKey(FRAGMENT_BUNDLE_SUBID))
-        {
+        if (getArguments() != null && getArguments().containsKey(FRAGMENT_BUNDLE_SUBID)) {
             mSubId = getArguments().getInt(FRAGMENT_BUNDLE_SUBID);
         } else if (savedInstanceState != null) {
             mSubId = savedInstanceState.getInt(
diff --git a/src/com/android/settings/wifi/WifiCallingSuggestionActivity.java b/src/com/android/settings/wifi/calling/WifiCallingSuggestionActivity.java
similarity index 96%
rename from src/com/android/settings/wifi/WifiCallingSuggestionActivity.java
rename to src/com/android/settings/wifi/calling/WifiCallingSuggestionActivity.java
index c3c7adb2687..9a50a837246 100644
--- a/src/com/android/settings/wifi/WifiCallingSuggestionActivity.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSuggestionActivity.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.settings.wifi;
+package com.android.settings.wifi.calling;
 
 import android.content.Context;
 
diff --git a/tests/robotests/assets/grandfather_not_implementing_indexable b/tests/robotests/assets/grandfather_not_implementing_indexable
index 5a3c0446bb6..748dc94439e 100644
--- a/tests/robotests/assets/grandfather_not_implementing_indexable
+++ b/tests/robotests/assets/grandfather_not_implementing_indexable
@@ -60,8 +60,7 @@ com.android.settings.applications.appinfo.PictureInPictureSettings
 com.android.settings.applications.appinfo.PictureInPictureDetails
 com.android.settings.ApnSettings
 com.android.settings.PrivacySettings
-com.android.settings.WifiCallingSettings
-com.android.settings.WifiCallingSettingsForSub
+com.android.settings.wifi.calling.WifiCallingSettingsForSub
 com.android.settings.password.SetupChooseLockGeneric$SetupChooseLockGenericFragment
 com.android.settings.SetupRedactionInterstitial$SetupRedactionInterstitialFragment
 com.android.settings.security.trustagent.TrustAgentSettings
diff --git a/tests/robotests/assets/grandfather_slice_controller_not_in_xml b/tests/robotests/assets/grandfather_slice_controller_not_in_xml
new file mode 100644
index 00000000000..f11027e6686
--- /dev/null
+++ b/tests/robotests/assets/grandfather_slice_controller_not_in_xml
@@ -0,0 +1 @@
+com.android.settings.testutils.FakeToggleController
\ No newline at end of file
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppMemoryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppMemoryPreferenceControllerTest.java
index fd136c1a6c3..532522c3db3 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppMemoryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppMemoryPreferenceControllerTest.java
@@ -37,7 +37,9 @@ import com.android.settings.TestConfig;
 import com.android.settings.applications.ProcStatsData;
 import com.android.settings.applications.ProcessStatsDetail;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowUserManager;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -48,7 +50,9 @@ import org.robolectric.annotation.Config;
 import org.robolectric.util.ReflectionHelpers;
 
 @RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION, shadows = {
+        ShadowUserManager.class
+})
 public class AppMemoryPreferenceControllerTest {
 
     @Mock
@@ -67,6 +71,7 @@ public class AppMemoryPreferenceControllerTest {
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mContext = RuntimeEnvironment.application;
+        ShadowUserManager.getShadow().setIsAdminUser(true);
         mController =
                 spy(new AppMemoryPreferenceController(mContext, mFragment, null /* lifecycle */));
         when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
@@ -75,6 +80,11 @@ public class AppMemoryPreferenceControllerTest {
         when(mFragment.getActivity()).thenReturn(mActivity);
     }
 
+    @After
+    public void tearDown() {
+        ShadowUserManager.getShadow().reset();
+    }
+
     @Test
     public void getAvailabilityStatus_developmentSettingsEnabled_shouldReturnAvailable() {
         Settings.Global.putInt(mContext.getContentResolver(),
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
index ab338a17a46..0129b1ced57 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothDetailsHeaderControllerTest.java
@@ -80,7 +80,7 @@ public class BluetoothDetailsHeaderControllerTest extends BluetoothDetailsContro
      */
     @Test
     public void testContextMock() {
-        assertThat(mContext.getString(R.string.bluetooth_connected)).isEqualTo("Connected");
+        assertThat(mContext.getString(R.string.bluetooth_connected)).isNotNull();
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java
new file mode 100644
index 00000000000..ea1d29ba370
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceControllerTest.java
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2018 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.datausage;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.NetworkTemplate;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.NetworkPolicyEditor;
+import com.android.settingslib.net.DataUsageController;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import java.util.concurrent.TimeUnit;
+
+import static org.mockito.Matchers.any;
+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 DataUsageSummaryPreferenceControllerTest {
+    private static final long UPDATE_BACKOFF_MS = TimeUnit.MINUTES.toMillis(13);
+    private static final long CYCLE_BACKOFF_MS = TimeUnit.DAYS.toMillis(6);
+    private static final long CYCLE_LENGTH_MS = TimeUnit.DAYS.toMillis(30);
+    private static final long USAGE1 =  373000000L;
+    private static final long LIMIT1 = 1000000000L;
+    private static final String CARRIER_NAME = "z-mobile";
+    private static final String PERIOD = "Feb";
+
+    @Mock
+    private DataUsageController mDataUsageController;
+    @Mock
+    private DataUsageInfoController mDataInfoController;
+    @Mock
+    private DataUsageSummaryPreference mSummaryPreference;
+    @Mock
+    private NetworkPolicyEditor mPolicyEditor;
+    @Mock
+    private NetworkTemplate mNetworkTemplate;
+
+    private Context mContext;
+    private DataUsageSummaryPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+
+        mController = new DataUsageSummaryPreferenceController(
+                mContext,
+                mDataUsageController,
+                mDataInfoController,
+                mNetworkTemplate,
+                mPolicyEditor,
+                R.string.cell_data_template,
+                true,
+                null);
+    }
+
+    @Test
+    public void testSummaryUpdate_onePlan_basic() {
+        final long now = System.currentTimeMillis();
+        final DataUsageController.DataUsageInfo info = createTestDataUsageInfo(now);
+
+        final Intent intent = new Intent();
+
+        when(mDataUsageController.getDataUsageInfo()).thenReturn(info);
+        mController.setPlanValues(1 /* dataPlanCount */, LIMIT1, USAGE1);
+        mController.setCarrierValues(CARRIER_NAME, now - UPDATE_BACKOFF_MS, info.cycleEnd, intent);
+
+        mController.updateState(mSummaryPreference);
+        verify(mSummaryPreference).setLimitInfo(null);
+        verify(mSummaryPreference).setUsageInfo(info.cycleEnd, now - UPDATE_BACKOFF_MS,
+                CARRIER_NAME, 1 /* numPlans */, intent);
+        verify(mSummaryPreference).setChartEnabled(true);
+    }
+
+    @Test
+    public void testSummaryUpdate_noPlan_basic() {
+        final long now = System.currentTimeMillis();
+        final DataUsageController.DataUsageInfo info = createTestDataUsageInfo(now);
+
+        final Intent intent = new Intent();
+
+        when(mDataUsageController.getDataUsageInfo(any())).thenReturn(info);
+        mController.setPlanValues(0 /* dataPlanCount */, LIMIT1, USAGE1);
+        mController.setCarrierValues(CARRIER_NAME, now - UPDATE_BACKOFF_MS, info.cycleEnd, intent);
+
+        mController.updateState(mSummaryPreference);
+        verify(mSummaryPreference).setLimitInfo("500 MB Data warning / 1.00 GB Data limit");
+        verify(mSummaryPreference).setUsageInfo(info.cycleEnd, now - UPDATE_BACKOFF_MS,
+                CARRIER_NAME, 0 /* numPlans */, intent);
+        verify(mSummaryPreference).setChartEnabled(true);
+    }
+
+    @Test
+    public void testSummaryUpdate_noCarrier_basic() {
+        final long now = System.currentTimeMillis();
+        final DataUsageController.DataUsageInfo info = createTestDataUsageInfo(now);
+
+        when(mDataUsageController.getDataUsageInfo(any())).thenReturn(info);
+        mController.setPlanValues(0 /* dataPlanCount */, LIMIT1, USAGE1);
+        mController.setCarrierValues(null /* carrierName */, -1L /* snapshotTime */,
+                info.cycleEnd, null /* intent */);
+        mController.updateState(mSummaryPreference);
+
+        verify(mSummaryPreference).setLimitInfo("500 MB Data warning / 1.00 GB Data limit");
+        verify(mSummaryPreference).setUsageInfo(
+                info.cycleEnd,
+                -1L /* snapshotTime */,
+                null /* carrierName */,
+                0 /* numPlans */,
+                null /* launchIntent */);
+        verify(mSummaryPreference).setChartEnabled(true);
+    }
+
+    @Test
+    public void testSummaryUpdate_noPlanData_basic() {
+        final long now = System.currentTimeMillis();
+
+        final DataUsageController.DataUsageInfo info = createTestDataUsageInfo(now);
+
+        when(mDataUsageController.getDataUsageInfo(any())).thenReturn(info);
+        mController.setPlanValues(0 /* dataPlanCount */, -1L /* dataPlanSize */, USAGE1);
+        mController.setCarrierValues(null /* carrierName */, -1L /* snapshotTime */,
+                info.cycleEnd, null /* intent */);
+        mController.updateState(mSummaryPreference);
+
+        verify(mSummaryPreference).setLimitInfo("500 MB Data warning / 1.00 GB Data limit");
+        verify(mSummaryPreference).setUsageInfo(
+                info.cycleEnd,
+                -1L /* snapshotTime */,
+                null /* carrierName */,
+                0 /* numPlans */,
+                null /* launchIntent */);
+        verify(mSummaryPreference).setChartEnabled(false);
+    }
+
+    private DataUsageController.DataUsageInfo createTestDataUsageInfo(long now) {
+        DataUsageController.DataUsageInfo info = new DataUsageController.DataUsageInfo();
+        info.carrier = CARRIER_NAME;
+        info.period = PERIOD;
+        info.startDate = now;
+        info.limitLevel = LIMIT1;
+        info.warningLevel = LIMIT1 >> 1;
+        info.usageLevel = USAGE1;
+        info.cycleStart = now - CYCLE_BACKOFF_MS;
+        info.cycleEnd = info.cycleStart + CYCLE_LENGTH_MS;
+        return info;
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
new file mode 100644
index 00000000000..769d9e7e28e
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/datausage/DataUsageSummaryPreferenceTest.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2018 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.datausage;
+
+import android.content.Context;
+import android.content.Intent;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.SettingsShadowResourcesImpl;
+import com.android.settingslib.utils.StringUtil;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+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.Mockito.spy;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION, shadows =
+        SettingsShadowResourcesImpl.class)
+public class DataUsageSummaryPreferenceTest {
+    private static final long CYCLE_DURATION_MILLIS = 1000000000L;
+    private static final long UPDATE_LAG_MILLIS = 10000000L;
+    private static final String DUMMY_CARRIER = "z-mobile";
+
+    private Context mContext;
+    private PreferenceViewHolder mHolder;
+    private DataUsageSummaryPreference mSummaryPreference;
+    private TextView mUsageTitle;
+    private TextView mCycleTime;
+    private TextView mCarrierInfo;
+    private TextView mDataLimits;
+    private Button mLaunchButton;
+
+    private long mCycleEnd;
+    private long mUpdateTime;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        mSummaryPreference = new DataUsageSummaryPreference(mContext, null /* attrs */);
+        LayoutInflater inflater = LayoutInflater.from(mContext);
+        View view = inflater.inflate(mSummaryPreference.getLayoutResource(), null /* root */,
+                false /* attachToRoot */);
+
+        mHolder = PreferenceViewHolder.createInstanceForTests(view);
+
+        final long now = System.currentTimeMillis();
+        mCycleEnd = now + CYCLE_DURATION_MILLIS;
+        mUpdateTime = now - UPDATE_LAG_MILLIS;
+    }
+
+    @Test
+    public void testSetUsageInfo_withLaunchIntent_launchButtonShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, DUMMY_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        bindViewHolder();
+        assertThat(mLaunchButton.getVisibility()).isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withoutLaunchIntent_launchButtonNotShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, DUMMY_CARRIER, 0 /* numPlans */,
+                null /* launchIntent */);
+
+        bindViewHolder();
+        assertThat(mLaunchButton.getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withDataPlans_carrierInfoShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, DUMMY_CARRIER, 1 /* numPlans */,
+                new Intent());
+
+        bindViewHolder();
+        assertThat(mCarrierInfo.getVisibility()).isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withNoDataPlans_carrierInfoNotShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, DUMMY_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        bindViewHolder();
+        assertThat(mCarrierInfo.getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withNoDataPlans_usageTitleNotShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, DUMMY_CARRIER, 0 /* numPlans */,
+                new Intent());
+
+        bindViewHolder();
+        assertThat(mUsageTitle.getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetUsageInfo_withMultipleDataPlans_usageTitleShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, DUMMY_CARRIER, 2 /* numPlans */,
+                new Intent());
+
+        bindViewHolder();
+        assertThat(mUsageTitle.getVisibility()).isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testSetUsageInfo_cycleRemainingTimeShown() {
+        mSummaryPreference.setUsageInfo(mCycleEnd, mUpdateTime, DUMMY_CARRIER, 0 /* numPlans */,
+                new Intent());
+        String cyclePrefix = StringUtil.formatElapsedTime(mContext, CYCLE_DURATION_MILLIS,
+                false /* withSeconds */).toString();
+        String text = mContext.getString(R.string.cycle_left_time_text, cyclePrefix);
+
+        bindViewHolder();
+        assertThat(mCycleTime.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(mCycleTime.getText()).isEqualTo(text);
+    }
+
+    @Test
+    public void testSetLimitInfo_withLimitInfo_dataLimitsShown() {
+        final String limitText = "test limit text";
+        mSummaryPreference.setLimitInfo(limitText);
+
+        bindViewHolder();
+        assertThat(mDataLimits.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(mDataLimits.getText()).isEqualTo(limitText);
+    }
+
+    @Test
+    public void testSetLimitInfo_withNullLimitInfo_dataLimitsNotShown() {
+        mSummaryPreference.setLimitInfo(null);
+
+        bindViewHolder();
+        assertThat(mDataLimits.getVisibility()).isEqualTo(View.GONE);
+    }
+
+    private void bindViewHolder() {
+        mSummaryPreference.onBindViewHolder(mHolder);
+        mUsageTitle = (TextView) mHolder.findViewById(R.id.usage_title);
+        mCycleTime = (TextView) mHolder.findViewById(R.id.cycle_left_time);
+        mCarrierInfo = (TextView) mHolder.findViewById(R.id.carrier_and_update);
+        mDataLimits = (TextView) mHolder.findViewById(R.id.data_limits);
+        mLaunchButton = (Button) mHolder.findViewById(R.id.launch_mdp_app_button);
+    }
+}
\ No newline at end of file
diff --git a/tests/robotests/src/com/android/settings/development/DevelopmentSettingsDashboardFragmentTest.java b/tests/robotests/src/com/android/settings/development/DevelopmentSettingsDashboardFragmentTest.java
index 881ee84f8c7..640e9d5e338 100644
--- a/tests/robotests/src/com/android/settings/development/DevelopmentSettingsDashboardFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/development/DevelopmentSettingsDashboardFragmentTest.java
@@ -17,7 +17,6 @@
 package com.android.settings.development;
 
 import static com.google.common.truth.Truth.assertThat;
-
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
@@ -33,6 +32,7 @@ import com.android.settings.R;
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.SettingsShadowResources;
+import com.android.settings.testutils.shadow.ShadowUserManager;
 import com.android.settings.widget.SwitchBar;
 import com.android.settings.widget.ToggleSwitch;
 import com.android.settingslib.development.AbstractEnableAdbPreferenceController;
@@ -52,7 +52,9 @@ import org.robolectric.util.ReflectionHelpers;
 import java.util.List;
 
 @RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION, shadows = {
+        ShadowUserManager.class
+})
 public class DevelopmentSettingsDashboardFragmentTest {
 
     private SwitchBar mSwitchBar;
@@ -68,11 +70,13 @@ public class DevelopmentSettingsDashboardFragmentTest {
         mSwitch = mSwitchBar.getSwitch();
         mDashboard = spy(new DevelopmentSettingsDashboardFragment());
         ReflectionHelpers.setField(mDashboard, "mSwitchBar", mSwitchBar);
+        ShadowUserManager.getShadow().setIsAdminUser(true);
     }
 
     @After
     public void tearDown() {
         ShadowEnableDevelopmentSettingWarningDialog.reset();
+        ShadowUserManager.getShadow().reset();
     }
 
     @Test
@@ -101,7 +105,7 @@ public class DevelopmentSettingsDashboardFragmentTest {
             SettingsShadowResources.class,
             SettingsShadowResources.SettingsShadowTheme.class
     })
-    public void searchIndex_pageDisabled_shouldAddAllKeysToNonIndexable() {
+    public void searchIndex_pageDisabledBySetting_shouldAddAllKeysToNonIndexable() {
         final Context appContext = RuntimeEnvironment.application;
         DevelopmentSettingsEnabler.setDevelopmentSettingsEnabled(appContext, false);
 
@@ -109,7 +113,24 @@ public class DevelopmentSettingsDashboardFragmentTest {
                 DevelopmentSettingsDashboardFragment.SEARCH_INDEX_DATA_PROVIDER
                         .getNonIndexableKeys(appContext);
 
-        assertThat(nonIndexableKeys).contains("development_prefs_screen");
+        assertThat(nonIndexableKeys).contains("enable_adb");
+    }
+
+    @Test
+    @Config(shadows = {
+            SettingsShadowResources.class,
+            SettingsShadowResources.SettingsShadowTheme.class
+    })
+    public void searchIndex_pageDisabledForNonAdmin_shouldAddAllKeysToNonIndexable() {
+        final Context appContext = RuntimeEnvironment.application;
+        DevelopmentSettingsEnabler.setDevelopmentSettingsEnabled(appContext, true);
+        ShadowUserManager.getShadow().setIsAdminUser(false);
+
+        final List<String> nonIndexableKeys =
+                DevelopmentSettingsDashboardFragment.SEARCH_INDEX_DATA_PROVIDER
+                        .getNonIndexableKeys(appContext);
+
+        assertThat(nonIndexableKeys).contains("enable_adb");
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/development/DevelopmentSwitchBarControllerTest.java b/tests/robotests/src/com/android/settings/development/DevelopmentSwitchBarControllerTest.java
index a5dfa56d3c6..95fd0ddeceb 100644
--- a/tests/robotests/src/com/android/settings/development/DevelopmentSwitchBarControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/DevelopmentSwitchBarControllerTest.java
@@ -28,6 +28,7 @@ import android.content.Context;
 
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowUserManager;
 import com.android.settings.testutils.shadow.ShadowUtils;
 import com.android.settings.widget.SwitchBar;
 import com.android.settingslib.core.lifecycle.Lifecycle;
@@ -47,7 +48,8 @@ import java.util.ArrayList;
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
         shadows = {
-                ShadowUtils.class
+                ShadowUtils.class,
+                ShadowUserManager.class
         })
 public class DevelopmentSwitchBarControllerTest {
 
@@ -63,6 +65,7 @@ public class DevelopmentSwitchBarControllerTest {
     public void setUp() {
         MockitoAnnotations.initMocks(this);
         mContext = RuntimeEnvironment.application;
+        ShadowUserManager.getShadow().setIsAdminUser(true);
         mLifecycleOwner = () -> mLifecycle;
         mLifecycle = new Lifecycle(mLifecycleOwner);
         mSwitchBar = new SwitchBar(mContext);
@@ -72,6 +75,7 @@ public class DevelopmentSwitchBarControllerTest {
     @After
     public void tearDown() {
         ShadowUtils.reset();
+        ShadowUserManager.getShadow().reset();
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
index ee5d5d05f78..17122ae1afb 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/BuildNumberPreferenceControllerTest.java
@@ -43,6 +43,7 @@ import com.android.settings.search.DatabaseIndexingManager;
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowUtils;
+import com.android.settings.testutils.shadow.ShadowUserManager;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.development.DevelopmentSettingsEnabler;
 
@@ -60,7 +61,8 @@ import org.robolectric.util.ReflectionHelpers;
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
         shadows = {
-                ShadowUtils.class
+                ShadowUtils.class,
+                ShadowUserManager.class,
         })
 public class BuildNumberPreferenceControllerTest {
 
@@ -84,6 +86,7 @@ public class BuildNumberPreferenceControllerTest {
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
+        ShadowUserManager.getShadow().setIsAdminUser(true);
         mFactory = FakeFeatureFactory.setupForTest();
         mLifecycleOwner = () -> mLifecycle;
         mLifecycle = new Lifecycle(mLifecycleOwner);
@@ -98,6 +101,7 @@ public class BuildNumberPreferenceControllerTest {
     @After
     public void tearDown() {
         ShadowUtils.reset();
+        ShadowUserManager.getShadow().reset();
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/deviceinfo/MyDeviceInfoFragmentTest.java b/tests/robotests/src/com/android/settings/deviceinfo/MyDeviceInfoFragmentTest.java
index 36f0662c2a8..8b21b74d78c 100644
--- a/tests/robotests/src/com/android/settings/deviceinfo/MyDeviceInfoFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/deviceinfo/MyDeviceInfoFragmentTest.java
@@ -21,15 +21,18 @@ import static com.android.settings.SettingsActivity.EXTRA_FRAGMENT_ARG_KEY;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doNothing;
 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;
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Bundle;
 import android.support.v7.preference.PreferenceScreen;
 import android.telephony.TelephonyManager;
+import android.util.ArrayMap;
 
 import com.android.settings.deviceinfo.aboutphone.MyDeviceInfoFragment;
 import com.android.settings.TestConfig;
@@ -39,6 +42,7 @@ import com.android.settings.testutils.shadow.SettingsShadowResources;
 import com.android.settings.testutils.shadow.SettingsShadowSystemProperties;
 import com.android.settings.testutils.shadow.ShadowConnectivityManager;
 import com.android.settings.testutils.shadow.ShadowUserManager;
+import com.android.settingslib.core.AbstractPreferenceController;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -48,6 +52,11 @@ import org.mockito.MockitoAnnotations;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 import org.robolectric.shadows.ShadowApplication;
+import org.robolectric.util.ReflectionHelpers;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
 
 @RunWith(SettingsRobolectricTestRunner.class)
 @Config(
@@ -97,4 +106,23 @@ public class MyDeviceInfoFragmentTest {
 
         verify(mScreen).setInitialExpandedChildrenCount(Integer.MAX_VALUE);
     }
+
+    @Test
+    public void onActivityResult_shouldCallBuildNumberPreferenceController() {
+        final BuildNumberPreferenceController controller =
+            mock(BuildNumberPreferenceController.class);
+        final Map<Class, List<AbstractPreferenceController>> preferenceControllers =
+            new ArrayMap<>();
+        final List<AbstractPreferenceController> controllerList = new ArrayList<>();
+        controllerList.add(controller);
+        preferenceControllers.put(BuildNumberPreferenceController.class, controllerList);
+        ReflectionHelpers.setField(mSettings, "mPreferenceControllers", preferenceControllers);
+
+        final int requestCode = 1;
+        final int resultCode = 2;
+        final Intent data = new Intent();
+        mSettings.onActivityResult(requestCode, resultCode, data);
+
+        verify(controller).onActivityResult(requestCode, resultCode, data);
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryAppListPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryAppListPreferenceControllerTest.java
index a814989a405..cee84dea3ee 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryAppListPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryAppListPreferenceControllerTest.java
@@ -220,4 +220,9 @@ public class BatteryAppListPreferenceControllerTest {
 
         assertThat(mPreferenceController.isAvailable()).isFalse();
     }
+
+    @Test
+    public void testNeverUseFakeData() {
+        assertThat(BatteryAppListPreferenceController.USE_FAKE_DATA).isFalse();
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceControllerTest.java
new file mode 100644
index 00000000000..29f924f0786
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batterysaver/BatterySaverButtonPreferenceControllerTest.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.android.settings.fuelgauge.batterysaver;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.arch.lifecycle.LifecycleOwner;
+import android.content.Context;
+import android.os.PowerManager;
+import android.support.v7.preference.PreferenceScreen;
+import android.view.View;
+import android.widget.Button;
+
+import com.android.settings.R;
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.widget.TwoStateButtonPreference;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.Shadows;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowPowerManager;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
+        shadows = com.android.settings.testutils.shadow.ShadowPowerManager.class)
+public class BatterySaverButtonPreferenceControllerTest {
+    private BatterySaverButtonPreferenceController mController;
+    private Context mContext;
+    private Lifecycle mLifecycle;
+    private LifecycleOwner mLifecycleOwner;
+    private Button mButtonOn;
+    private Button mButtonOff;
+    private ShadowPowerManager mShadowPowerManager;
+    @Mock
+    private TwoStateButtonPreference mPreference;
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mLifecycleOwner = () -> mLifecycle;
+        mLifecycle = new Lifecycle(mLifecycleOwner);
+        mContext = spy(RuntimeEnvironment.application);
+        PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
+        mShadowPowerManager = Shadows.shadowOf(powerManager);
+        doReturn(mPreference).when(mPreferenceScreen).findPreference(anyString());
+
+        mButtonOn = new Button(mContext);
+        mButtonOn.setId(R.id.state_on_button);
+        doReturn(mButtonOn).when(mPreference).getStateOnButton();
+        mButtonOff = new Button(mContext);
+        mButtonOff.setId(R.id.state_off_button);
+        doReturn(mButtonOff).when(mPreference).getStateOffButton();
+
+        mController = new BatterySaverButtonPreferenceController(mContext, mLifecycle);
+        mController.displayPreference(mPreferenceScreen);
+    }
+
+    @Test
+    public void testUpdateState_lowPowerOn_displayButtonOff() {
+        mShadowPowerManager.setIsPowerSaveMode(true);
+
+        mController.updateState(mPreference);
+
+        assertThat(mButtonOn.getVisibility()).isEqualTo(View.GONE);
+        assertThat(mButtonOff.getVisibility()).isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testUpdateState_lowPowerOff_displayButtonOn() {
+        mShadowPowerManager.setIsPowerSaveMode(false);
+
+        mController.updateState(mPreference);
+
+        assertThat(mButtonOn.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(mButtonOff.getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testOnClick_clickButtonOn_setPowerSaveMode() {
+        mController.onClick(mButtonOn);
+
+        assertThat(mShadowPowerManager.isPowerSaveMode()).isTrue();
+    }
+
+    @Test
+    public void testOnClick_clickButtonOff_clearPowerSaveMode() {
+        mController.onClick(mButtonOff);
+
+        assertThat(mShadowPowerManager.isPowerSaveMode()).isFalse();
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/search/BaseSearchIndexProviderTest.java b/tests/robotests/src/com/android/settings/search/BaseSearchIndexProviderTest.java
index 6c6d7ab64c6..260e3ae062d 100644
--- a/tests/robotests/src/com/android/settings/search/BaseSearchIndexProviderTest.java
+++ b/tests/robotests/src/com/android/settings/search/BaseSearchIndexProviderTest.java
@@ -137,7 +137,6 @@ public class BaseSearchIndexProviderTest {
         final List<String> nonIndexableKeys = provider
                 .getNonIndexableKeys(RuntimeEnvironment.application);
 
-        assertThat(nonIndexableKeys).containsAllOf("status_header", "limit_summary",
-                "restrict_background");
+        assertThat(nonIndexableKeys).contains("status_header");
     }
 }
diff --git a/tests/robotests/src/com/android/settings/search/actionbar/SearchMenuControllerTest.java b/tests/robotests/src/com/android/settings/search/actionbar/SearchMenuControllerTest.java
index e1c77cd37f7..d6e8c633c95 100644
--- a/tests/robotests/src/com/android/settings/search/actionbar/SearchMenuControllerTest.java
+++ b/tests/robotests/src/com/android/settings/search/actionbar/SearchMenuControllerTest.java
@@ -18,6 +18,7 @@ package com.android.settings.search.actionbar;
 
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyZeroInteractions;
 import static org.mockito.Mockito.when;
 
 import android.os.Bundle;
@@ -27,6 +28,7 @@ import android.view.MenuItem;
 import com.android.settings.R;
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settingslib.core.lifecycle.ObservableFragment;
 import com.android.settingslib.core.lifecycle.ObservablePreferenceFragment;
 
 import org.junit.Before;
@@ -42,26 +44,47 @@ public class SearchMenuControllerTest {
 
     @Mock
     private Menu mMenu;
-    private TestFragment mHost;
+    private TestPreferenceFragment mPreferenceHost;
+    private ObservableFragment mHost;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        mHost = new TestFragment();
+        mHost = new ObservableFragment();
+        mPreferenceHost = new TestPreferenceFragment();
+
+        when(mMenu.add(Menu.NONE, Menu.NONE, 0 /* order */, R.string.search_menu))
+                .thenReturn(mock(MenuItem.class));
     }
 
     @Test
-    public void init_shouldAddMenu() {
-        when(mMenu.add(Menu.NONE, Menu.NONE, 0 /* order */, R.string.search_menu))
-                .thenReturn(mock(MenuItem.class));
+    public void init_prefFragment_shouldAddMenu() {
+        SearchMenuController.init(mPreferenceHost);
+        mPreferenceHost.getLifecycle().onCreateOptionsMenu(mMenu, null /* inflater */);
 
+        verify(mMenu).add(Menu.NONE, Menu.NONE, 0 /* order */, R.string.search_menu);
+    }
+
+    @Test
+    public void init_observableFragment_shouldAddMenu() {
         SearchMenuController.init(mHost);
         mHost.getLifecycle().onCreateOptionsMenu(mMenu, null /* inflater */);
 
         verify(mMenu).add(Menu.NONE, Menu.NONE, 0 /* order */, R.string.search_menu);
     }
 
-    public static class TestFragment extends ObservablePreferenceFragment {
+    @Test
+    public void init_doNotNeedSearchIcon_shouldNotAddMenu() {
+        final Bundle args = new Bundle();
+        args.putBoolean(SearchMenuController.NEED_SEARCH_ICON_IN_ACTION_BAR, false);
+        mHost.setArguments(args);
+
+        SearchMenuController.init(mHost);
+        mHost.getLifecycle().onCreateOptionsMenu(mMenu, null /* inflater */);
+        verifyZeroInteractions(mMenu);
+    }
+
+    public static class TestPreferenceFragment extends ObservablePreferenceFragment {
 
         @Override
         public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
diff --git a/tests/robotests/src/com/android/settings/slices/SettingsSliceProviderTest.java b/tests/robotests/src/com/android/settings/slices/SettingsSliceProviderTest.java
index 340d04bd401..3512dedcd8f 100644
--- a/tests/robotests/src/com/android/settings/slices/SettingsSliceProviderTest.java
+++ b/tests/robotests/src/com/android/settings/slices/SettingsSliceProviderTest.java
@@ -31,6 +31,7 @@ import android.net.Uri;
 
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.DatabaseTestUtils;
+import com.android.settings.testutils.FakeToggleController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
 import org.junit.After;
diff --git a/tests/robotests/src/com/android/settings/slices/SliceBroadcastReceiverTest.java b/tests/robotests/src/com/android/settings/slices/SliceBroadcastReceiverTest.java
index f5d5ff0e5b2..1c5899d9e1c 100644
--- a/tests/robotests/src/com/android/settings/slices/SliceBroadcastReceiverTest.java
+++ b/tests/robotests/src/com/android/settings/slices/SliceBroadcastReceiverTest.java
@@ -31,6 +31,7 @@ import com.android.settings.search.FakeIndexProvider;
 import com.android.settings.search.SearchFeatureProvider;
 import com.android.settings.search.SearchFeatureProviderImpl;
 import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settings.testutils.FakeToggleController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
 import org.junit.After;
diff --git a/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java b/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java
index 0923571376c..88e46957be4 100644
--- a/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java
+++ b/tests/robotests/src/com/android/settings/slices/SliceBuilderUtilsTest.java
@@ -29,6 +29,7 @@ import android.net.Uri;
 import com.android.settings.R;
 import com.android.settings.TestConfig;
 import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.FakeToggleController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 
 import org.junit.Before;
diff --git a/tests/robotests/src/com/android/settings/slices/SliceControllerInXmlTest.java b/tests/robotests/src/com/android/settings/slices/SliceControllerInXmlTest.java
new file mode 100644
index 00000000000..66ed459cb3f
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/slices/SliceControllerInXmlTest.java
@@ -0,0 +1,201 @@
+/*
+ * Copyright (C) 2018 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.slices;
+
+import static com.android.settings.TestConfig.SDK_VERSION;
+
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.content.res.XmlResourceParser;
+import android.provider.SearchIndexableResource;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.util.Xml;
+
+import com.android.settings.TestConfig;
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.core.codeinspection.ClassScanner;
+import com.android.settings.core.codeinspection.CodeInspector;
+import com.android.settings.overlay.FeatureFactory;
+import com.android.settings.search.DatabaseIndexingUtils;
+import com.android.settings.search.Indexable;
+import com.android.settings.search.SearchFeatureProvider;
+import com.android.settings.search.SearchFeatureProviderImpl;
+import com.android.settings.search.XmlParserUtils;
+import com.android.settings.testutils.FakeFeatureFactory;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.xmlpull.v1.XmlPullParser;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = SDK_VERSION)
+public class SliceControllerInXmlTest {
+
+    private static final List<Class> mSliceControllerClasses = new ArrayList<>(Arrays.asList(
+            TogglePreferenceController.class
+    ));
+
+    private final List<String> mXmlDeclaredControllers = new ArrayList<>();
+    private final List<String> mGrandfatheredClasses = new ArrayList<>();
+
+    private final String ERROR_MISSING_CONTROLLER =
+            "The following controllers were expected to be declared by "
+                    + "'settings:controller=Controller_Class_Name' in their corresponding Xml. "
+                    + "If it should not appear in XML, add the controller's classname to "
+                    + "grandfather_slice_controller_not_in_xml. Controllers:\n";
+
+    private Context mContext;
+
+    SearchFeatureProvider mSearchProvider;
+    private FakeFeatureFactory mFakeFeatureFactory;
+
+    @Before
+    public void setUp() {
+        mContext = spy(RuntimeEnvironment.application);
+
+        mSearchProvider = new SearchFeatureProviderImpl();
+        mFakeFeatureFactory = FakeFeatureFactory.setupForTest();
+        mFakeFeatureFactory.searchFeatureProvider = mSearchProvider;
+
+        CodeInspector.initializeGrandfatherList(mGrandfatheredClasses,
+                "grandfather_slice_controller_not_in_xml");
+        initDeclaredControllers();
+    }
+
+    private void initDeclaredControllers() {
+        final List<Integer> xmlResources = getIndexableXml();
+        XmlResourceParser parser;
+
+        for (int xmlResId : xmlResources) {
+            try {
+                parser = mContext.getResources().getXml(xmlResId);
+
+                int type;
+                while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
+                        && type != XmlPullParser.START_TAG) {
+                    // Parse next until start tag is found
+                }
+
+                final int outerDepth = parser.getDepth();
+                final AttributeSet attrs = Xml.asAttributeSet(parser);
+                String controllerClassName;
+                while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
+                        && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
+                    if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
+                        continue;
+                    }
+                    controllerClassName = XmlParserUtils.getController(mContext, attrs);
+
+                    if (!TextUtils.isEmpty(controllerClassName)) {
+                        mXmlDeclaredControllers.add(controllerClassName);
+                    }
+                }
+            } catch (Exception e) {
+                // Assume an issue with robolectric resources
+            }
+        }
+    }
+
+    @Test
+    public void testAllControllersDeclaredInXml() throws Exception {
+        final List<Class<?>> classes = new ClassScanner().getClassesForPackage(
+                mContext.getPackageName());
+        final List<String> missingControllersInXml = new ArrayList<>();
+
+        for (Class<?> clazz : classes) {
+            if (!isInlineSliceClass(clazz)) {
+                // Only care about inline-slice controller classes.
+                continue;
+            }
+
+            if (!mXmlDeclaredControllers.contains(clazz.getName())) {
+                // Class clazz should have been declared in XML (unless whitelisted).
+                missingControllersInXml.add(clazz.getName());
+            }
+        }
+
+        // Removed whitelisted classes
+        missingControllersInXml.removeAll(mGrandfatheredClasses);
+
+        final String missingControllerError = buildErrorMessage(ERROR_MISSING_CONTROLLER,
+                missingControllersInXml);
+
+        assertWithMessage(missingControllerError).that(missingControllersInXml).isEmpty();
+    }
+
+    private boolean isInlineSliceClass(Class clazz) {
+        while (clazz != null) {
+            clazz = clazz.getSuperclass();
+            if (mSliceControllerClasses.contains(clazz)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private String buildErrorMessage(String errorSummary, List<String> errorClasses) {
+        final StringBuilder error = new StringBuilder(errorSummary);
+        for (String c : errorClasses) {
+            error.append(c).append("\n");
+        }
+        return error.toString();
+    }
+
+    private List<Integer> getIndexableXml() {
+        final List<Integer> xmlResSet = new ArrayList<>();
+
+        final Collection<Class> indexableClasses = FeatureFactory.getFactory(
+                mContext).getSearchFeatureProvider().getSearchIndexableResources()
+                .getProviderValues();
+
+        for (Class clazz : indexableClasses) {
+
+            Indexable.SearchIndexProvider provider = DatabaseIndexingUtils.getSearchIndexProvider(
+                    clazz);
+
+            if (provider == null) {
+                continue;
+            }
+
+            List<SearchIndexableResource> resources = provider.getXmlResourcesToIndex(mContext,
+                    true);
+
+            if (resources == null) {
+                continue;
+            }
+
+            for (SearchIndexableResource resource : resources) {
+                // Add '0's anyway. It won't break the test.
+                xmlResSet.add(resource.xmlResId);
+            }
+        }
+        return xmlResSet;
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/suggestions/SettingsSuggestionsTest.java b/tests/robotests/src/com/android/settings/suggestions/SettingsSuggestionsTest.java
index 677bf418ca1..9dff92532a1 100644
--- a/tests/robotests/src/com/android/settings/suggestions/SettingsSuggestionsTest.java
+++ b/tests/robotests/src/com/android/settings/suggestions/SettingsSuggestionsTest.java
@@ -68,7 +68,7 @@ public class SettingsSuggestionsTest {
 
     @Test
     public void wifiCallingSuggestion_isValid() {
-        assertSuggestionEquals("com.android.settings.wifi.WifiCallingSuggestionActivity",
+        assertSuggestionEquals("com.android.settings.wifi.calling.WifiCallingSuggestionActivity",
                 CATEGORY_FIRST_IMPRESSION,
                 R.string.wifi_calling_suggestion_title, R.string.wifi_calling_suggestion_summary);
     }
diff --git a/tests/robotests/src/com/android/settings/slices/FakeToggleController.java b/tests/robotests/src/com/android/settings/testutils/FakeToggleController.java
similarity index 97%
rename from tests/robotests/src/com/android/settings/slices/FakeToggleController.java
rename to tests/robotests/src/com/android/settings/testutils/FakeToggleController.java
index 1b08e3566aa..c984c6ceca4 100644
--- a/tests/robotests/src/com/android/settings/slices/FakeToggleController.java
+++ b/tests/robotests/src/com/android/settings/testutils/FakeToggleController.java
@@ -15,7 +15,7 @@
  *
  */
 
-package com.android.settings.slices;
+package com.android.settings.testutils;
 
 import android.content.Context;
 import android.provider.Settings;
diff --git a/tests/robotests/src/com/android/settings/testutils/shadow/ShadowPowerManager.java b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowPowerManager.java
new file mode 100644
index 00000000000..3bc807adc17
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/testutils/shadow/ShadowPowerManager.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2018 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.testutils.shadow;
+
+import android.os.PowerManager;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+@Implements(PowerManager.class)
+public class ShadowPowerManager extends org.robolectric.shadows.ShadowPowerManager {
+    @Implementation
+    public boolean setPowerSaveMode(boolean mode) {
+        setIsPowerSaveMode(mode);
+        return true;
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/widget/MasterCheckBoxPreferenceTest.java b/tests/robotests/src/com/android/settings/widget/MasterCheckBoxPreferenceTest.java
index ac3e0b64471..55ce27f6db8 100644
--- a/tests/robotests/src/com/android/settings/widget/MasterCheckBoxPreferenceTest.java
+++ b/tests/robotests/src/com/android/settings/widget/MasterCheckBoxPreferenceTest.java
@@ -105,6 +105,24 @@ public class MasterCheckBoxPreferenceTest {
         assertThat(checkBox.isEnabled()).isTrue();
     }
 
+    @Test
+    public void onBindViewHolder_shouldSetCheckboxEnabledState() {
+        final PreferenceViewHolder holder = PreferenceViewHolder.createInstanceForTests(
+                LayoutInflater.from(mContext).inflate(
+                        R.layout.preference_widget_master_checkbox, null));
+        final CheckBox checkBox = (CheckBox) holder.findViewById(R.id.checkboxWidget);
+
+        mPreference.setCheckBoxEnabled(false);
+        mPreference.onBindViewHolder(holder);
+
+        assertThat(mPreference.isEnabled()).isTrue();
+        assertThat(checkBox.isEnabled()).isFalse();
+
+        mPreference.setCheckBoxEnabled(true);
+        assertThat(mPreference.isEnabled()).isTrue();
+        assertThat(checkBox.isEnabled()).isTrue();
+    }
+
     @Test
     public void clickWidgetView_shouldToggleCheckBox() {
         final LayoutInflater inflater = LayoutInflater.from(mContext);
diff --git a/tests/robotests/src/com/android/settings/widget/TwoStateButtonPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/widget/TwoStateButtonPreferenceControllerTest.java
new file mode 100644
index 00000000000..a28981513fe
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/widget/TwoStateButtonPreferenceControllerTest.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2018 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.widget;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+import android.support.v7.preference.PreferenceScreen;
+import android.view.View;
+import android.widget.Button;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class TwoStateButtonPreferenceControllerTest {
+    private static final String KEY = "pref_key";
+
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+    @Mock
+    private TwoStateButtonPreference mPreference;
+    private TwoStateButtonPreferenceController mController;
+    private Context mContext;
+    private Button mButtonOn;
+    private Button mButtonOff;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        doReturn(mPreference).when(mPreferenceScreen).findPreference(anyString());
+        mButtonOn = new Button(mContext);
+        doReturn(mButtonOn).when(mPreference).getStateOnButton();
+        mButtonOff = new Button(mContext);
+        doReturn(mButtonOff).when(mPreference).getStateOffButton();
+
+        mController = new TestButtonsPreferenceController(mContext, KEY);
+        mController.displayPreference(mPreferenceScreen);
+    }
+
+    @Test
+    public void testSetButtonVisibility_stateOn_onlyShowButtonOn() {
+        mController.setButtonVisibility(true /* stateOn */);
+
+        assertThat(mButtonOn.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(mButtonOff.getVisibility()).isEqualTo(View.GONE);
+    }
+
+    @Test
+    public void testSetButtonVisibility_stateOff_onlyShowButtonOff() {
+        mController.setButtonVisibility(false /* stateOn */);
+
+        assertThat(mButtonOn.getVisibility()).isEqualTo(View.GONE);
+        assertThat(mButtonOff.getVisibility()).isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void testSetButtonEnabled_enabled_buttonEnabled() {
+        mController.setButtonEnabled(true /* enabled */);
+
+        assertThat(mButtonOn.isEnabled()).isTrue();
+        assertThat(mButtonOff.isEnabled()).isTrue();
+    }
+
+    @Test
+    public void testSetButtonEnabled_disabled_buttonDisabled() {
+        mController.setButtonEnabled(false /* enabled */);
+
+        assertThat(mButtonOn.isEnabled()).isFalse();
+        assertThat(mButtonOff.isEnabled()).isFalse();
+    }
+
+    /**
+     * Controller to test methods in {@link TwoStateButtonPreferenceController}
+     */
+    public static class TestButtonsPreferenceController extends
+            TwoStateButtonPreferenceController {
+
+        TestButtonsPreferenceController(Context context, String key) {
+            super(context, key);
+        }
+
+        @Override
+        public void onButtonClicked(boolean stateOn) {
+            //do nothing
+        }
+
+        @Override
+        public int getAvailabilityStatus() {
+            return AVAILABLE;
+        }
+    }
+}
diff --git a/tests/unit/AndroidManifest.xml b/tests/unit/AndroidManifest.xml
index b22c01bde6e..eccbac36486 100644
--- a/tests/unit/AndroidManifest.xml
+++ b/tests/unit/AndroidManifest.xml
@@ -53,6 +53,15 @@
             <meta-data android:name="com.android.settings.summary" android:resource="@string/manufacturer_settings_summary" />
             <meta-data android:name="com.android.settings.icon" android:resource="@drawable/ic_settings_applications" />
         </activity>
+
+        <service android:name="com.android.settings.accounts.TestAuthService">
+            <intent-filter>
+                <action android:name="android.accounts.AccountAuthenticator" />
+            </intent-filter>
+            <meta-data android:name="android.accounts.AccountAuthenticator"
+                       android:resource="@xml/authenticator" />
+        </service>
+
     </application>
 
     <instrumentation android:name="android.support.test.runner.AndroidJUnitRunner"
diff --git a/tests/unit/res/values/strings.xml b/tests/unit/res/values/strings.xml
index 35e201a931c..620bb041783 100644
--- a/tests/unit/res/values/strings.xml
+++ b/tests/unit/res/values/strings.xml
@@ -28,4 +28,7 @@
     <string name="manufacturer_hello" translatable="false">Hello Manufacturer!</string>
     <string name="manufacturer_settings_title" translatable="false">Manufacturer</string>
     <string name="manufacturer_settings_summary" translatable="false">Manufacturer hook that can be used to start activity of choice</string>
+    <string name="account_auth_label" translatable="false">Settings Test Account</string>
+    <string name="account_type" translatable="false">com.settingstest.account-prefs</string>
+    <string name="account_pref_title" translatable="false">Test preference for external account</string>
 </resources>
diff --git a/tests/unit/res/xml/account_preferences.xml b/tests/unit/res/xml/account_preferences.xml
new file mode 100644
index 00000000000..b3917593b11
--- /dev/null
+++ b/tests/unit/res/xml/account_preferences.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 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">
+
+    <SwitchPreference
+        android:key="account_test_switch"
+        android:title="@string/account_pref_title" />
+
+</PreferenceScreen>
+
diff --git a/tests/unit/res/xml/authenticator.xml b/tests/unit/res/xml/authenticator.xml
new file mode 100644
index 00000000000..92bf774669b
--- /dev/null
+++ b/tests/unit/res/xml/authenticator.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 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.
+-->
+<account-authenticator
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:label="@string/account_auth_label"
+    android:icon="@drawable/ic_settings_applications"
+    android:accountType="@string/account_type"
+    android:accountPreferences="@xml/account_preferences" />
+
diff --git a/tests/unit/src/com/android/settings/accounts/AccountsSettingsTest.java b/tests/unit/src/com/android/settings/accounts/AccountsSettingsTest.java
new file mode 100644
index 00000000000..7218efe0a3e
--- /dev/null
+++ b/tests/unit/src/com/android/settings/accounts/AccountsSettingsTest.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2018 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.accounts;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.content.Context;
+import android.content.Intent;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+import android.support.test.uiautomator.UiDevice;
+import android.support.test.uiautomator.UiObject;
+import android.support.test.uiautomator.UiSelector;
+import android.support.test.uiautomator.UiScrollable;
+import android.support.test.uiautomator.UiObjectNotFoundException;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class AccountsSettingsTest {
+
+    private static final String ACCOUNTS = "Accounts";
+    private static final String ACCOUNT_TYPE = "com.settingstest.account-prefs";
+    private static final String PREF_TITLE = "Test preference for external account";
+
+    private UiDevice mDevice;
+    private Context mContext;
+    private String mTargetPackage;
+
+    @Before
+    public void setUp() {
+        mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation());
+        mContext = InstrumentationRegistry.getTargetContext();
+        mTargetPackage = mContext.getPackageName();
+    }
+
+    @Test
+    public void testExternalAccountInfoExists() throws UiObjectNotFoundException {
+        // add a test account
+        final String testAccountName = "Test Account";
+        final Account account = new Account(testAccountName, ACCOUNT_TYPE);
+        final AccountManager accountManager = AccountManager.get(mContext);
+        final boolean accountAdded =
+            accountManager.addAccountExplicitly(account, null /* password */, null /* userdata */);
+        assertThat(accountAdded).isTrue();
+
+        // launch Accounts Settings and select the test account
+        launchAccountsSettings();
+        mDevice.findObject(new UiSelector().text(testAccountName)).click();
+        final UiObject testPreference = mDevice.findObject(new UiSelector().text(PREF_TITLE));
+        // remove test account
+        accountManager.removeAccountExplicitly(account);
+
+        assertThat(testPreference.exists()).isTrue();
+    }
+
+    private void launchAccountsSettings() throws UiObjectNotFoundException  {
+        // launch settings
+        Intent settingsIntent = new Intent(Intent.ACTION_MAIN)
+            .addCategory(Intent.CATEGORY_LAUNCHER)
+            .setPackage(mTargetPackage)
+            .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        mContext.startActivity(settingsIntent);
+        // selects Accounts
+        final UiScrollable settings = new UiScrollable(
+                new UiSelector().packageName(mTargetPackage).scrollable(true));
+        final String titleAccounts = ACCOUNTS;
+        settings.scrollTextIntoView(titleAccounts);
+        mDevice.findObject(new UiSelector().text(titleAccounts)).click();
+    }
+}
diff --git a/tests/unit/src/com/android/settings/accounts/Authenticator.java b/tests/unit/src/com/android/settings/accounts/Authenticator.java
new file mode 100644
index 00000000000..a2413dc86ec
--- /dev/null
+++ b/tests/unit/src/com/android/settings/accounts/Authenticator.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2018 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.accounts;
+
+import android.accounts.AbstractAccountAuthenticator;
+import android.accounts.Account;
+import android.accounts.AccountAuthenticatorResponse;
+import android.accounts.AccountManager;
+import android.accounts.NetworkErrorException;
+import android.content.Context;
+import android.os.Bundle;
+
+public class Authenticator extends AbstractAccountAuthenticator {
+
+    public Authenticator(Context context) {
+        super(context);
+    }
+
+    @Override
+    public Bundle editProperties(AccountAuthenticatorResponse r, String s) {
+        return null;
+    }
+
+    @Override
+    public Bundle addAccount(AccountAuthenticatorResponse r, String s, String s2, String[] strings,
+            Bundle bundle) throws NetworkErrorException {
+        final Bundle result = new Bundle();
+        result.putString(AccountManager.KEY_ACCOUNT_NAME, "Test Account");
+        result.putString(AccountManager.KEY_ACCOUNT_TYPE, s);
+        return result;
+    }
+
+    @Override
+    public Bundle confirmCredentials(AccountAuthenticatorResponse r, Account account, Bundle bundle)
+            throws NetworkErrorException {
+        return null;
+    }
+
+    @Override
+    public Bundle getAuthToken(AccountAuthenticatorResponse r, Account account, String s,
+            Bundle bundle) throws NetworkErrorException {
+        return null;
+    }
+
+    @Override
+    public String getAuthTokenLabel(String s) {
+        return s;
+    }
+
+    @Override
+    public Bundle updateCredentials(AccountAuthenticatorResponse r, Account account, String s,
+            Bundle bundle) throws NetworkErrorException {
+        return null;
+    }
+
+    @Override
+    public Bundle hasFeatures(AccountAuthenticatorResponse r, Account account, String[] strings)
+            throws NetworkErrorException {
+        return null;
+    }
+}
diff --git a/tests/unit/src/com/android/settings/accounts/TestAuthService.java b/tests/unit/src/com/android/settings/accounts/TestAuthService.java
new file mode 100644
index 00000000000..574e9b5cf26
--- /dev/null
+++ b/tests/unit/src/com/android/settings/accounts/TestAuthService.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2018 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.accounts;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.IBinder;
+
+public class TestAuthService extends Service {
+
+    private Authenticator mAuthenticator;
+
+    @Override
+    public void onCreate() {
+        mAuthenticator = new Authenticator(this);
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return mAuthenticator.getIBinder();
+    }
+
+}
diff --git a/tests/unit/src/com/android/settings/users/UserSettingsTest.java b/tests/unit/src/com/android/settings/users/UserSettingsTest.java
index 213183a9b00..2ecf161a7bd 100644
--- a/tests/unit/src/com/android/settings/users/UserSettingsTest.java
+++ b/tests/unit/src/com/android/settings/users/UserSettingsTest.java
@@ -15,34 +15,47 @@
  */
 package com.android.settings.users;
 
+import static com.google.common.truth.Truth.assertThat;
+
 import android.content.Context;
 import android.content.Intent;
+import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
 import android.support.test.uiautomator.UiDevice;
 import android.support.test.uiautomator.UiObject;
 import android.support.test.uiautomator.UiSelector;
 import android.support.test.uiautomator.UiScrollable;
-import android.test.InstrumentationTestCase;
+import android.support.test.uiautomator.UiObjectNotFoundException;
 
+import org.junit.Before;
 import org.junit.Test;
+import org.junit.runner.RunWith;
 
+@RunWith(AndroidJUnit4.class)
 @SmallTest
-public class UserSettingsTest extends InstrumentationTestCase {
+public class UserSettingsTest {
 
-    private static final String USER_AND_ACCOUNTS = "Users & accounts";
-    private static final String USERS = "Users";
+    private static final String SYSTEM = "System";
+    private static final String ADVANCED = "Advanced";
+    private static final String USERS = "Multiple users";
     private static final String EMERGNENCY_INFO = "Emergency information";
     private static final String ADD_USERS_WHEN_LOCKED = "Add users";
+    private static final String SWITCH_USER_BUTTON = "com.android.systemui:id/multi_user_switch";
+    private static final String SETTINGS_BUTTON = "com.android.systemui:id/settings_button";
+    private static final String PRIMARY_USER = "Owner";
+    private static final String GUEST_USER = "Guest";
+    private static final String ADD_GUEST = "Add guest";
+    private static final String CONTINUE = "Yes, continue";
 
     private UiDevice mDevice;
     private Context mContext;
     private String mTargetPackage;
 
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-        mDevice = UiDevice.getInstance(getInstrumentation());
-        mContext = getInstrumentation().getTargetContext();
+    @Before
+    public void setUp() {
+        mDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation());
+        mContext = InstrumentationRegistry.getTargetContext();
         mTargetPackage = mContext.getPackageName();
     }
 
@@ -51,7 +64,8 @@ public class UserSettingsTest extends InstrumentationTestCase {
         launchUserSettings();
         UiObject emergencyInfoPreference =
             mDevice.findObject(new UiSelector().text(EMERGNENCY_INFO));
-        assertFalse(emergencyInfoPreference.exists());
+
+        assertThat(emergencyInfoPreference.exists()).isFalse();
     }
 
     @Test
@@ -59,7 +73,32 @@ public class UserSettingsTest extends InstrumentationTestCase {
         launchUserSettings();
         UiObject addUsersPreference =
             mDevice.findObject(new UiSelector().text(ADD_USERS_WHEN_LOCKED));
-        assertFalse(addUsersPreference.exists());
+        assertThat(addUsersPreference.exists()).isFalse();
+    }
+
+    @Test
+    public void testUsersExistsOnSecondaryUser() throws Exception {
+        // switch to guest user
+        switchToOrCreateGuest();
+        // launch settings (launch from intent doesn't work, hence launch from quick settings)
+        mDevice.openQuickSettings();
+        mDevice.findObject(new UiSelector().resourceId(SETTINGS_BUTTON)).click();
+        // launch system settings and expand whole screen
+        final UiScrollable settings = new UiScrollable(
+            new UiSelector().packageName(mTargetPackage).scrollable(true));
+        final String titleSystem = SYSTEM;
+        settings.scrollTextIntoView(titleSystem);
+        mDevice.findObject(new UiSelector().text(titleSystem)).click();
+        mDevice.findObject(new UiSelector().text(ADVANCED)).click();
+
+        final boolean hasUsersSettings = mDevice.findObject(new UiSelector().text(USERS)).exists();
+
+        // switch back to primary user
+        mDevice.openQuickSettings();
+        mDevice.findObject(new UiSelector().resourceId(SWITCH_USER_BUTTON)).click();
+        mDevice.findObject(new UiSelector().text(PRIMARY_USER)).click();
+
+        assertThat(hasUsersSettings).isTrue();
     }
 
     private void launchSettings() {
@@ -67,17 +106,34 @@ public class UserSettingsTest extends InstrumentationTestCase {
                 .addCategory(Intent.CATEGORY_LAUNCHER)
                 .setPackage(mTargetPackage)
                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        getInstrumentation().getContext().startActivity(settingsIntent);
+        mContext.startActivity(settingsIntent);
     }
 
     private void launchUserSettings() throws Exception  {
         launchSettings();
         final UiScrollable settings = new UiScrollable(
                 new UiSelector().packageName(mTargetPackage).scrollable(true));
-        final String titleUsersAndAccounts = USER_AND_ACCOUNTS;
-        settings.scrollTextIntoView(titleUsersAndAccounts);
-        mDevice.findObject(new UiSelector().text(titleUsersAndAccounts)).click();
+        final String titleSystem = SYSTEM;
+        settings.scrollTextIntoView(titleSystem);
+        mDevice.findObject(new UiSelector().text(titleSystem)).click();
+        mDevice.findObject(new UiSelector().text(ADVANCED)).click();
         mDevice.findObject(new UiSelector().text(USERS)).click();
     }
 
+    private void switchToOrCreateGuest() throws UiObjectNotFoundException {
+        mDevice.openQuickSettings();
+        mDevice.findObject(new UiSelector().resourceId(SWITCH_USER_BUTTON)).click();
+        // if no existing guest user, select "Add guest", otherwise select "Guest"
+        final UiObject addGuest = mDevice.findObject(new UiSelector().text(ADD_GUEST));
+        if (addGuest.exists()) {
+            addGuest.click();
+            mDevice.waitForIdle();
+            mDevice.pressBack();
+        } else {
+            mDevice.findObject(new UiSelector().text(GUEST_USER)).click();
+            mDevice.waitForIdle();
+            mDevice.findObject(new UiSelector().text(CONTINUE)).click();
+            mDevice.waitForIdle();
+        }
+    }
 }