Merge "Import translations. DO NOT MERGE ANYWHERE" into sc-dev
diff --git a/color-check-baseline.xml b/color-check-baseline.xml
index b94da0d..9c79bab 100644
--- a/color-check-baseline.xml
+++ b/color-check-baseline.xml
@@ -4013,4 +4013,36 @@
             column="5"/>
     </issue>
 
+    <issue
+        id="HardCodedColor"
+        severity="Error"
+        message="Avoid using hardcoded color"
+        category="Correctness"
+        priority="4"
+        summary="Using hardcoded color"
+        explanation="Hardcoded color values are bad because theme changes cannot be uniformly applied.Instead use the theme specific colors such as `?android:attr/textColorPrimary` in attributes.&#xA;This ensures that a theme change from a light to a dark theme can be uniformlyapplied across the app."
+        errorLine1="          &lt;item android:offset=&quot;0&quot; android:color=&quot;#FF4285F4&quot;/>"
+        errorLine2="                                   ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="res/drawable/one_handed_guideline.xml"
+            line="34"
+            column="36"/>
+    </issue>
+
+    <issue
+        id="HardCodedColor"
+        severity="Error"
+        message="Avoid using hardcoded color"
+        category="Correctness"
+        priority="4"
+        summary="Using hardcoded color"
+        explanation="Hardcoded color values are bad because theme changes cannot be uniformly applied.Instead use the theme specific colors such as `?android:attr/textColorPrimary` in attributes.&#xA;This ensures that a theme change from a light to a dark theme can be uniformlyapplied across the app."
+        errorLine1="          &lt;item android:offset=&quot;1&quot; android:color=&quot;#004385F5&quot;/>"
+        errorLine2="                                   ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="res/drawable/one_handed_guideline.xml"
+            line="35"
+            column="36"/>
+    </issue>
+
 </issues>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 7ad7fe1..7e10006 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -3188,6 +3188,10 @@
     <string name="status_prl_version">PRL version</string>
     <!-- About phone screen, title for MEID for multi-sim devices -->
     <string name="meid_multi_sim">MEID (sim slot %1$d)</string>
+    <!-- The status text when (Wi-Fi or Bluetooth) scanning is on. [CHAR LIMIT=100] -->
+    <string name="scanning_status_text_on">On</string>
+    <!-- The status text when (Wi-Fi or Bluetooth) scanning is off. [CHAR LIMIT=100] -->
+    <string name="scanning_status_text_off">Off</string>
     <!-- The status text when both Wi-Fi scanning and Bluetooth scanning are on. [CHAR LIMIT=100] -->
     <string name="scanning_status_text_wifi_on_ble_on">Both Wi\u2011Fi and Bluetooth scanning are on</string>
     <!-- The status text when Wi-Fi scanning is on and Bluetooth scanning are off. [CHAR LIMIT=100] -->
@@ -5027,27 +5031,27 @@
     <!-- Title for the accessibility preference screen to enable screen magnification. [CHAR LIMIT=35] -->
     <string name="accessibility_screen_magnification_title">Magnification</string>
     <!-- Title for the accessibility preference screen to edit magnification area. [CHAR LIMIT=35] -->
-    <string name="accessibility_magnification_mode_title">Magnification area</string>
+    <string name="accessibility_magnification_mode_title">Choose how to magnify</string>
     <!-- Message for the accessibility preference screen to edit magnification area dialog. [CHAR LIMIT=none] -->
-    <string name="accessibility_magnification_area_settings_message">Choose the magnification area(s) you want to use when magnifying the screen</string>
+    <string name="accessibility_magnification_area_settings_message">Magnify your full screen, a specific area, or switch between both options</string>
     <!-- Summary for the accessibility preference screen to edit full screen. [CHAR LIMIT=none] -->
     <string name="accessibility_magnification_area_settings_full_screen_summary">Full screen</string>
-    <!-- Summary for the accessibility preference screen to edit window screen. [CHAR LIMIT=none] -->
-    <string name="accessibility_magnification_area_settings_window_screen_summary">Part of screen</string>
-    <!-- Summary for the accessibility preference screen to edit entire screen. [CHAR LIMIT=none] -->
-    <string name="accessibility_magnification_area_settings_all_summary">Full screen &amp; part of screen</string>
-    <!-- Message for the accessibility preference screen to edit entire screen. [CHAR LIMIT=none] -->
-    <string name="accessibility_magnification_area_settings_full_screen">Magnify entire screen</string>
+    <!-- Summary for the accessibility preference screen to edit partial screen. [CHAR LIMIT=none] -->
+    <string name="accessibility_magnification_area_settings_window_screen_summary">Partial screen</string>
+    <!-- Summary for the accessibility preference screen to edit full and partial screen. [CHAR LIMIT=none] -->
+    <string name="accessibility_magnification_area_settings_all_summary">Switch between full and partial screen</string>
+    <!-- Message for the accessibility preference screen to edit the full screen. [CHAR LIMIT=none] -->
+    <string name="accessibility_magnification_area_settings_full_screen">Magnify full screen</string>
     <!-- Message for the accessibility preference screen to edit part of screen. [CHAR LIMIT=none] -->
     <string name="accessibility_magnification_area_settings_window_screen">Magnify part of screen</string>
     <!-- Title for the accessibility magnification switch shortcut dialog. [CHAR LIMIT=48] -->
     <string name="accessibility_magnification_switch_shortcut_title">Switch to accessibility button?</string>
     <!-- Message for the accessibility magnification switch shortcut dialog. [CHAR LIMIT=none] -->
-    <string name="accessibility_magnification_switch_shortcut_message">Using triple tap to magnify part of the screen will cause typing and other actions to be delayed.\n\nDo you want to switch to using accessibility button to magnify?</string>
+    <string name="accessibility_magnification_switch_shortcut_message">Using triple-tap to magnify part of the screen causes typing and other delays.\n\nThe accessibility button floats on your screen over other apps. Tap it to magnify.</string>
     <!-- Title for the switch shortcut button in accessibility switch shortcut dialog to change the config shortcut value. [CHAR LIMIT=45] -->
     <string name="accessibility_magnification_switch_shortcut_positive_button">Switch to accessibility button</string>
     <!-- Title for the cancel button in accessibility switch shortcut dialog to keep the config shortcut value. [CHAR LIMIT=54] -->
-    <string name="accessibility_magnification_switch_shortcut_negative_button">Keep triple tap to magnify</string>
+    <string name="accessibility_magnification_switch_shortcut_negative_button">Use triple-tap</string>
     <!-- Title for the accessibility preference screen to enable screen magnification settings. [CHAR LIMIT=35] -->
     <string name="accessibility_magnification_service_settings_title">Magnification settings</string>
     <!-- Title for the accessibility preference screen to enable triple-tap gesture screen magnification. [CHAR LIMIT=35] -->
@@ -5068,7 +5072,7 @@
     <string name="accessibility_screen_magnification_navbar_short_summary">Tap a button to zoom</string>
     <!-- Summary for the accessibility preference screen to enable screen magnification gestures. [CHAR LIMIT=none] -->
     <string name="accessibility_screen_magnification_summary">
-        <![CDATA[Quickly zoom in on the screen to display content more clearly.<br/><br/>
+        <![CDATA[Quickly zoom in on the screen to make content larger.<br/><br/>
         <b>To zoom in:</b><br/>
         1. Use shortcut to start magnification<br/>
         2. Tap the screen<br/>
@@ -12785,36 +12789,36 @@
     <!-- Title for bluetooth main switch. [CHAR LIMIT=50] -->
     <string name="bluetooth_main_switch_title">Use Bluetooth</string>
 
-    <!-- Do not translate. Title for prevent ringing main switch. [CHAR LIMIT=50] -->
-    <string name="prevent_ringing_main_switch_title" translatable="false">Use prevent ringing</string>
-    <!-- Do not translate. Title for use wifi hotspot main switch [CHAR LIMIT=50]-->
-    <string name="use_wifi_hotsopt_main_switch_title" translatable="false">Use Wi\u2011Fi hotspot</string>
-    <!-- Do not translate. Title for app pinning main switch. [CHAR LIMIT=50] -->
-    <string name="app_pinning_main_switch_title" translatable="false">Use app pinning</string>
-    <!-- Do not translate. Title for developer options main switch. [CHAR LIMIT=50] -->
-    <string name="developer_options_main_switch_title" translatable="false">Use developer options</string>
-    <!-- Do not translate. Title for default print service main switch. [CHAR LIMIT=50] -->
-    <string name="default_print_service_main_switch_title" translatable="false">Use default print service</string>
-    <!-- Do not translate. Title for multiple users main switch. [CHAR LIMIT=50] -->
-    <string name="multiple_users_main_switch_title" translatable="false">Use multiple users</string>
-    <!-- Do not translate. Title for wireless debugging main switch. [CHAR LIMIT=50] -->
-    <string name="wireless_debugging_main_switch_title" translatable="false">Use wireless debugging</string>
-    <!-- Do not translate. Title for graphics driver main switch. [CHAR LIMIT=50] -->
-    <string name="graphics_driver_main_switch_title" translatable="false">Use graphics driver preferences</string>
-    <!-- Do not translate. Title for battery saver main switch preferences. [CHAR LIMIT=50] -->
-    <string name="battery_saver_main_switch_title" translatable="false">Use battery saver</string>
-    <!-- Do not translate. Title for Do Not Disturb main switch preferences. [CHAR LIMIT=50] -->
-    <string name="do_not_disturb_main_switch_title" translatable="false">Use Do Not Disturb</string>
-    <!-- Do not translate. Title for Night Light main switch preferences. [CHAR LIMIT=50] -->
-    <string name="night_light_main_switch_title" translatable="false">Use Night Light</string>
-    <!-- Do not translate. Title for NFC main switch preferences. [CHAR LIMIT=50] -->
-    <string name="nfc_main_switch_title" translatable="false">Use NFC</string>
-    <!-- Do not translate. Title for Adaptive Battery main switch preferences. [CHAR LIMIT=50] -->
-    <string name="adaptive_battery_main_switch_title" translatable="false">Use adaptive battery</string>
-    <!-- Do not translate. Title for adaptive brightness main switch preferences. [CHAR LIMIT=50] -->
-    <string name="adaptive_brightness_main_switch_title" translatable="false">Use adaptive brightness</string>
-    <!-- Do not translate. Title for wifi calling main switch preferences. [CHAR LIMIT=50] -->
-    <string name="wifi_calling_main_switch_title" translatable="false">Use Wi-Fi calling</string>
+    <!-- Title for prevent ringing main switch. [CHAR LIMIT=50] -->
+    <string name="prevent_ringing_main_switch_title">Use prevent ringing</string>
+    <!-- Title for use wifi hotspot main switch [CHAR LIMIT=50]-->
+    <string name="use_wifi_hotsopt_main_switch_title">Use Wi\u2011Fi hotspot</string>
+    <!-- Title for app pinning main switch. [CHAR LIMIT=50] -->
+    <string name="app_pinning_main_switch_title">Use app pinning</string>
+    <!-- Title for developer options main switch. [CHAR LIMIT=50] -->
+    <string name="developer_options_main_switch_title">Use developer options</string>
+    <!-- Title for default print service main switch. [CHAR LIMIT=50] -->
+    <string name="default_print_service_main_switch_title">Use default print service</string>
+    <!-- Title for multiple users main switch. [CHAR LIMIT=50] -->
+    <string name="multiple_users_main_switch_title">Use multiple users</string>
+    <!-- Title for wireless debugging main switch. [CHAR LIMIT=50] -->
+    <string name="wireless_debugging_main_switch_title">Use wireless debugging</string>
+    <!-- Title for graphics driver main switch. [CHAR LIMIT=50] -->
+    <string name="graphics_driver_main_switch_title">Use graphics driver preferences</string>
+    <!-- Title for battery saver main switch preferences. [CHAR LIMIT=50] -->
+    <string name="battery_saver_main_switch_title">Use battery saver</string>
+    <!-- Title for Do Not Disturb main switch preferences. [CHAR LIMIT=50] -->
+    <string name="do_not_disturb_main_switch_title">Use Do Not Disturb</string>
+    <!-- Title for Night Light main switch preferences. [CHAR LIMIT=50] -->
+    <string name="night_light_main_switch_title">Use Night Light</string>
+    <!-- Title for NFC main switch preferences. [CHAR LIMIT=50] -->
+    <string name="nfc_main_switch_title">Use NFC</string>
+    <!-- Title for Adaptive Battery main switch preferences. [CHAR LIMIT=50] -->
+    <string name="adaptive_battery_main_switch_title">Use adaptive battery</string>
+    <!-- Title for adaptive brightness main switch preferences. [CHAR LIMIT=50] -->
+    <string name="adaptive_brightness_main_switch_title">Use adaptive brightness</string>
+    <!-- Title for wifi calling main switch preferences. [CHAR LIMIT=50] -->
+    <string name="wifi_calling_main_switch_title">Use Wi‑Fi calling</string>
 
     <!-- Default preference title for showing all apps on device [CHAR_LIMIT=50]-->
     <string name="default_see_all_apps_title">See all apps</string>
diff --git a/res/xml/location_services.xml b/res/xml/location_services.xml
index ef94886..516491c 100644
--- a/res/xml/location_services.xml
+++ b/res/xml/location_services.xml
@@ -18,21 +18,21 @@
                   xmlns:settings="http://schemas.android.com/apk/res-auto"
         android:title="@string/location_services_screen_title">
 
-        <SwitchPreference
-            android:title="@string/location_scanning_wifi_always_scanning_title"
-            android:summary="@string/location_scanning_wifi_always_scanning_description"
-            android:defaultValue="true"
-            android:key="wifi_always_scanning" />
-
-        <SwitchPreference
-            android:title="@string/location_scanning_bluetooth_always_scanning_title"
-            android:summary="@string/location_scanning_bluetooth_always_scanning_description"
-            android:defaultValue="true"
-            android:key="bluetooth_always_scanning" />
-
         <PreferenceCategory
             android:key="location_services"
             android:layout="@layout/preference_category_no_label"
             settings:controller="com.android.settings.location.LocationInjectedServicesPreferenceController"/>
 
+        <Preference
+            android:fragment="com.android.settings.location.WifiScanningFragment"
+            android:key="location_services_wifi_scanning"
+            android:title="@string/location_scanning_wifi_always_scanning_title"
+            settings:controller="com.android.settings.location.LocationServicesWifiScanningPreferenceController"/>
+
+        <Preference
+            android:fragment="com.android.settings.location.BluetoothScanningFragment"
+            android:key="location_services_bluetooth_scanning"
+            android:title="@string/location_scanning_bluetooth_always_scanning_title"
+            settings:controller="com.android.settings.location.LocationServicesBluetoothScanningPreferenceController"/>
+
 </PreferenceScreen>
diff --git a/res/xml/location_services_bluetooth_scanning.xml b/res/xml/location_services_bluetooth_scanning.xml
new file mode 100644
index 0000000..fb522f0
--- /dev/null
+++ b/res/xml/location_services_bluetooth_scanning.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+                  xmlns:settings="http://schemas.android.com/apk/res-auto"
+        android:title="@string/location_scanning_bluetooth_always_scanning_title">
+
+        <com.android.settingslib.widget.MainSwitchPreference
+            android:key="bluetooth_always_scanning_switch"
+            android:title="@string/location_scanning_bluetooth_always_scanning_title"
+            settings:controller="com.android.settings.location.BluetoothScanningMainSwitchPreferenceController"/>
+
+        <com.android.settingslib.widget.FooterPreference
+            android:key="bluetooth_always_scanning_footer"
+            android:title="@string/location_scanning_bluetooth_always_scanning_description"
+            android:selectable="false"
+            settings:searchable="false"/>
+
+</PreferenceScreen>
diff --git a/res/xml/location_services_wifi_scanning.xml b/res/xml/location_services_wifi_scanning.xml
new file mode 100644
index 0000000..a436fac
--- /dev/null
+++ b/res/xml/location_services_wifi_scanning.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2021 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+                  xmlns:settings="http://schemas.android.com/apk/res-auto"
+        android:title="@string/location_scanning_wifi_always_scanning_title">
+
+        <com.android.settingslib.widget.MainSwitchPreference
+            android:key="wifi_always_scanning_switch"
+            android:title="@string/location_scanning_wifi_always_scanning_title"
+            settings:controller="com.android.settings.location.WifiScanningMainSwitchPreferenceController"/>
+
+        <com.android.settingslib.widget.FooterPreference
+            android:key="wifi_always_scanning_footer"
+            android:title="@string/location_scanning_wifi_always_scanning_description"
+            android:selectable="false"
+            settings:searchable="false"/>
+
+</PreferenceScreen>
diff --git a/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java b/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java
index 7f8ade1..096c2c5 100644
--- a/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java
+++ b/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java
@@ -29,9 +29,10 @@
 import android.net.Uri;
 import android.os.Handler;
 import android.os.Looper;
-import android.provider.DeviceConfig;
 import android.provider.MediaStore;
+import android.text.TextUtils;
 import android.util.Log;
+import android.util.Pair;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
@@ -43,7 +44,6 @@
 
 import com.android.settings.R;
 import com.android.settings.core.BasePreferenceController;
-import com.android.settings.core.SettingsUIDeviceConfig;
 import com.android.settings.fuelgauge.BatteryMeterView;
 import com.android.settingslib.bluetooth.BluetoothUtils;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
@@ -84,6 +84,7 @@
     private static final int LEFT_DEVICE_ID = 1;
     private static final int RIGHT_DEVICE_ID = 2;
     private static final int CASE_DEVICE_ID = 3;
+    private static final int MAIN_DEVICE_ID = 4;
 
     @VisibleForTesting
     LayoutPreference mLayoutPreference;
@@ -115,13 +116,11 @@
 
     @Override
     public int getAvailabilityStatus() {
-        final boolean advancedEnabled = DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_SETTINGS_UI,
-                SettingsUIDeviceConfig.BT_ADVANCED_HEADER_ENABLED, true);
-        final boolean untetheredHeadset = mCachedDevice != null
-                && BluetoothUtils.getBooleanMetaData(
-                mCachedDevice.getDevice(), BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET);
-        Log.d(TAG, "getAvailabilityStatus() is untethered : " + untetheredHeadset);
-        return advancedEnabled && untetheredHeadset ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+        if (mCachedDevice == null) {
+            return CONDITIONALLY_UNAVAILABLE;
+        }
+        return Utils.isAdvancedDetailsHeader(mCachedDevice.getDevice())
+                ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
     }
 
     @Override
@@ -182,27 +181,45 @@
                 updateDisconnectLayout();
                 return;
             }
+            final BluetoothDevice device = mCachedDevice.getDevice();
+            final String deviceType = BluetoothUtils.getStringMetaData(device,
+                    BluetoothDevice.METADATA_DEVICE_TYPE);
+            if (TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_WATCH)
+                    || TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_DEFAULT)) {
+                mLayoutPreference.findViewById(R.id.layout_left).setVisibility(View.GONE);
+                mLayoutPreference.findViewById(R.id.layout_right).setVisibility(View.GONE);
 
-            updateSubLayout(mLayoutPreference.findViewById(R.id.layout_left),
-                    BluetoothDevice.METADATA_UNTETHERED_LEFT_ICON,
-                    BluetoothDevice.METADATA_UNTETHERED_LEFT_BATTERY,
-                    BluetoothDevice.METADATA_UNTETHERED_LEFT_CHARGING,
-                    R.string.bluetooth_left_name,
-                    LEFT_DEVICE_ID);
+                updateSubLayout(mLayoutPreference.findViewById(R.id.layout_middle),
+                        BluetoothDevice.METADATA_MAIN_ICON,
+                        BluetoothDevice.METADATA_MAIN_BATTERY,
+                        BluetoothDevice.METADATA_MAIN_CHARGING,
+                        /* titleResId */ 0,
+                        MAIN_DEVICE_ID);
+            } else if (TextUtils.equals(deviceType,
+                    BluetoothDevice.DEVICE_TYPE_UNTETHERED_HEADSET)
+                    || BluetoothUtils.getBooleanMetaData(device,
+                    BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET)) {
+                updateSubLayout(mLayoutPreference.findViewById(R.id.layout_left),
+                        BluetoothDevice.METADATA_UNTETHERED_LEFT_ICON,
+                        BluetoothDevice.METADATA_UNTETHERED_LEFT_BATTERY,
+                        BluetoothDevice.METADATA_UNTETHERED_LEFT_CHARGING,
+                        R.string.bluetooth_left_name,
+                        LEFT_DEVICE_ID);
 
-            updateSubLayout(mLayoutPreference.findViewById(R.id.layout_middle),
-                    BluetoothDevice.METADATA_UNTETHERED_CASE_ICON,
-                    BluetoothDevice.METADATA_UNTETHERED_CASE_BATTERY,
-                    BluetoothDevice.METADATA_UNTETHERED_CASE_CHARGING,
-                    R.string.bluetooth_middle_name,
-                    CASE_DEVICE_ID);
+                updateSubLayout(mLayoutPreference.findViewById(R.id.layout_middle),
+                        BluetoothDevice.METADATA_UNTETHERED_CASE_ICON,
+                        BluetoothDevice.METADATA_UNTETHERED_CASE_BATTERY,
+                        BluetoothDevice.METADATA_UNTETHERED_CASE_CHARGING,
+                        R.string.bluetooth_middle_name,
+                        CASE_DEVICE_ID);
 
-            updateSubLayout(mLayoutPreference.findViewById(R.id.layout_right),
-                    BluetoothDevice.METADATA_UNTETHERED_RIGHT_ICON,
-                    BluetoothDevice.METADATA_UNTETHERED_RIGHT_BATTERY,
-                    BluetoothDevice.METADATA_UNTETHERED_RIGHT_CHARGING,
-                    R.string.bluetooth_right_name,
-                    RIGHT_DEVICE_ID);
+                updateSubLayout(mLayoutPreference.findViewById(R.id.layout_right),
+                        BluetoothDevice.METADATA_UNTETHERED_RIGHT_ICON,
+                        BluetoothDevice.METADATA_UNTETHERED_RIGHT_BATTERY,
+                        BluetoothDevice.METADATA_UNTETHERED_RIGHT_CHARGING,
+                        R.string.bluetooth_right_name,
+                        RIGHT_DEVICE_ID);
+            }
         }
     }
 
@@ -226,17 +243,21 @@
     }
 
     private void updateSubLayout(LinearLayout linearLayout, int iconMetaKey, int batteryMetaKey,
-            int chargeMetaKey, int titleResId, int batteryId) {
+            int chargeMetaKey, int titleResId, int deviceId) {
         if (linearLayout == null) {
             return;
         }
         final BluetoothDevice bluetoothDevice = mCachedDevice.getDevice();
         final String iconUri = BluetoothUtils.getStringMetaData(bluetoothDevice, iconMetaKey);
+        final ImageView imageView = linearLayout.findViewById(R.id.header_icon);
         if (iconUri != null) {
-            final ImageView imageView = linearLayout.findViewById(R.id.header_icon);
             updateIcon(imageView, iconUri);
+        } else {
+            final Pair<Drawable, String> pair =
+                    BluetoothUtils.getBtRainbowDrawableWithDescription(mContext, mCachedDevice);
+            imageView.setImageDrawable(pair.first);
+            imageView.setContentDescription(pair.second);
         }
-
         final int batteryLevel = BluetoothUtils.getIntMetaData(bluetoothDevice, batteryMetaKey);
         final boolean charging = BluetoothUtils.getBooleanMetaData(bluetoothDevice, chargeMetaKey);
         if (DEBUG) {
@@ -244,24 +265,35 @@
                     + ", charge : " + chargeMetaKey + ", batteryLevel : " + batteryLevel
                     + ", charging : " + charging + ", iconUri : " + iconUri);
         }
-
-        if (batteryId != CASE_DEVICE_ID) {
-            showBatteryPredictionIfNecessary(linearLayout, batteryId, batteryLevel);
+        if (deviceId == LEFT_DEVICE_ID || deviceId == RIGHT_DEVICE_ID) {
+            showBatteryPredictionIfNecessary(linearLayout, deviceId, batteryLevel);
         }
+        final TextView batterySummaryView = linearLayout.findViewById(R.id.bt_battery_summary);
         if (batteryLevel != BluetoothUtils.META_INT_ERROR) {
             linearLayout.setVisibility(View.VISIBLE);
-            final TextView textView = linearLayout.findViewById(R.id.bt_battery_summary);
-            textView.setText(com.android.settings.Utils.formatPercentage(batteryLevel));
-            textView.setVisibility(View.VISIBLE);
+            batterySummaryView.setText(com.android.settings.Utils.formatPercentage(batteryLevel));
+            batterySummaryView.setVisibility(View.VISIBLE);
             showBatteryIcon(linearLayout, batteryLevel, charging, batteryMetaKey);
         } else {
-            // Hide it if it doesn't have battery information
-            linearLayout.setVisibility(View.GONE);
+            if (deviceId == MAIN_DEVICE_ID) {
+                linearLayout.setVisibility(View.VISIBLE);
+                batterySummaryView.setText(com.android.settings.Utils.formatPercentage(
+                        bluetoothDevice.getBatteryLevel()));
+                batterySummaryView.setVisibility(View.VISIBLE);
+                linearLayout.findViewById(R.id.bt_battery_icon).setVisibility(View.GONE);
+            } else {
+                // Hide it if it doesn't have battery information
+                linearLayout.setVisibility(View.GONE);
+            }
         }
 
         final TextView textView = linearLayout.findViewById(R.id.header_title);
-        textView.setText(titleResId);
-        textView.setVisibility(View.VISIBLE);
+        if (deviceId == MAIN_DEVICE_ID) {
+            textView.setVisibility(View.GONE);
+        } else {
+            textView.setText(titleResId);
+            textView.setVisibility(View.VISIBLE);
+        }
     }
 
     private void showBatteryPredictionIfNecessary(LinearLayout linearLayout, int batteryId,
diff --git a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
index fc74004..9f5e78e 100644
--- a/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
+++ b/src/com/android/settings/bluetooth/BluetoothDetailsHeaderController.java
@@ -16,10 +16,8 @@
 
 package com.android.settings.bluetooth;
 
-import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.graphics.drawable.Drawable;
-import android.provider.DeviceConfig;
 import android.text.TextUtils;
 import android.util.Pair;
 
@@ -27,7 +25,6 @@
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
-import com.android.settings.core.SettingsUIDeviceConfig;
 import com.android.settings.widget.EntityHeaderController;
 import com.android.settingslib.bluetooth.BluetoothUtils;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
@@ -56,11 +53,7 @@
 
     @Override
     public boolean isAvailable() {
-        final boolean advancedEnabled = DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_SETTINGS_UI,
-                SettingsUIDeviceConfig.BT_ADVANCED_HEADER_ENABLED, true);
-        return !advancedEnabled
-                || !BluetoothUtils.getBooleanMetaData(mCachedDevice.getDevice(),
-                        BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET);
+        return !Utils.isAdvancedDetailsHeader(mCachedDevice.getDevice());
     }
 
     @Override
diff --git a/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java b/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java
index e40e30d..cd36ce8 100644
--- a/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java
+++ b/src/com/android/settings/bluetooth/BluetoothPermissionActivity.java
@@ -16,6 +16,8 @@
 
 package com.android.settings.bluetooth;
 
+import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+
 import android.bluetooth.BluetoothDevice;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -23,6 +25,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.Bundle;
+import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
@@ -30,11 +33,14 @@
 
 import androidx.preference.Preference;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.app.AlertActivity;
 import com.android.internal.app.AlertController;
 import com.android.settings.R;
-
-import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
+import com.android.settings.password.PasswordUtils;
+import com.android.settingslib.bluetooth.CachedBluetoothDevice;
+import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
+import com.android.settingslib.bluetooth.LocalBluetoothManager;
 
 /**
  * BluetoothPermissionActivity shows a dialog for accepting incoming
@@ -51,8 +57,13 @@
     private TextView messageView;
     private Button mOkButton;
     private BluetoothDevice mDevice;
-    private String mReturnPackage = null;
-    private String mReturnClass = null;
+
+    @VisibleForTesting
+    String mReturnPackage = null;
+    @VisibleForTesting
+    String mReturnClass = null;
+    @VisibleForTesting
+    String mCallingAppPackageName;
 
     private int mRequestType = 0;
     private BroadcastReceiver mReceiver = new BroadcastReceiver() {
@@ -80,6 +91,7 @@
 
         getWindow().addPrivateFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
         Intent i = getIntent();
+        mCallingAppPackageName = PasswordUtils.getCallingAppPackageName(getActivityToken());
         String action = i.getAction();
         if (!action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST)) {
             Log.e(TAG, "Error: this activity may be started only with intent "
@@ -94,6 +106,22 @@
         mRequestType = i.getIntExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE,
                                      BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS);
 
+        // Even if the user has already made the choice, Bluetooth still may not know that if
+        // the user preference data have not been migrated from Settings app's shared
+        // preferences to Bluetooth app's. In that case, Bluetooth app broadcasts an
+        // ACTION_CONNECTION_ACCESS_REQUEST intent to ask to Settings app.
+        //
+        // If that happens, 'checkUserChoice()' here will do migration because it finds or
+        // creates a 'CachedBluetoothDevice' object for the device.
+        //
+        // After migration is done, 'checkUserChoice()' replies to the request by sending an
+        // ACTION_CONNECTION_ACCESS_REPLY intent. And we don't need to start permission activity
+        // dialog or notification.
+        if (checkUserChoice()) {
+            finish();
+            return;
+        }
+
         if(DEBUG) Log.i(TAG, "onCreate() Request type: " + mRequestType);
 
         if (mRequestType == BluetoothDevice.REQUEST_TYPE_PROFILE_CONNECTION) {
@@ -202,7 +230,14 @@
         sendReplyIntentToReceiver(false, true);
     }
 
-    private void sendReplyIntentToReceiver(final boolean allowed, final boolean always) {
+    @VisibleForTesting
+    void sendReplyIntentToReceiver(final boolean allowed, final boolean always) {
+        if (!TextUtils.equals(mCallingAppPackageName, mReturnPackage)) {
+            Log.w(TAG, "sendReplyIntentToReceiver() return package name is not equivalent"
+                    + " to calling package name!");
+            return;
+        }
+
         Intent intent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY);
 
         if (mReturnPackage != null && mReturnClass != null) {
@@ -246,4 +281,76 @@
     public boolean onPreferenceChange(Preference preference, Object newValue) {
         return true;
     }
+
+    /**
+     * @return true user had made a choice, this method replies to the request according
+     *              to user's previous decision
+     *         false user hadnot made any choice on this device
+     */
+    private boolean checkUserChoice() {
+        boolean processed = false;
+
+        // ignore if it is something else than phonebook/message settings it wants us to remember
+        if (mRequestType != BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS
+                && mRequestType != BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS
+                && mRequestType != BluetoothDevice.REQUEST_TYPE_SIM_ACCESS) {
+            Log.d(TAG, "checkUserChoice(): Unknown RequestType " + mRequestType);
+            return processed;
+        }
+
+        final LocalBluetoothManager bluetoothManager = Utils.getLocalBtManager(this);
+        final CachedBluetoothDeviceManager cachedDeviceManager =
+                bluetoothManager.getCachedDeviceManager();
+        CachedBluetoothDevice cachedDevice = cachedDeviceManager.findDevice(mDevice);
+        if (cachedDevice == null) {
+            cachedDevice = cachedDeviceManager.addDevice(mDevice);
+        }
+
+        if (mRequestType == BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS) {
+            final int phonebookPermission = mDevice.getPhonebookAccessPermission();
+
+            if (phonebookPermission == BluetoothDevice.ACCESS_UNKNOWN) {
+                // Leave 'processed' as false.
+            } else if (phonebookPermission == BluetoothDevice.ACCESS_ALLOWED) {
+                sendReplyIntentToReceiver(true, true);
+                processed = true;
+            } else if (phonebookPermission == BluetoothDevice.ACCESS_REJECTED) {
+                sendReplyIntentToReceiver(false, true);
+                processed = true;
+            } else {
+                Log.e(TAG, "Bad phonebookPermission: " + phonebookPermission);
+            }
+        } else if (mRequestType == BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS) {
+            final int messagePermission = mDevice.getMessageAccessPermission();
+
+            if (messagePermission == BluetoothDevice.ACCESS_UNKNOWN) {
+                // Leave 'processed' as false.
+            } else if (messagePermission == BluetoothDevice.ACCESS_ALLOWED) {
+                sendReplyIntentToReceiver(true, true);
+                processed = true;
+            } else if (messagePermission == BluetoothDevice.ACCESS_REJECTED) {
+                sendReplyIntentToReceiver(false, true);
+                processed = true;
+            } else {
+                Log.e(TAG, "Bad messagePermission: " + messagePermission);
+            }
+        } else if (mRequestType == BluetoothDevice.REQUEST_TYPE_SIM_ACCESS) {
+            final int simPermission = mDevice.getSimAccessPermission();
+
+            if (simPermission == BluetoothDevice.ACCESS_UNKNOWN) {
+                // Leave 'processed' as false.
+            } else if (simPermission == BluetoothDevice.ACCESS_ALLOWED) {
+                sendReplyIntentToReceiver(true, true);
+                processed = true;
+            } else if (simPermission == BluetoothDevice.ACCESS_REJECTED) {
+                sendReplyIntentToReceiver(false, true);
+                processed = true;
+            } else {
+                Log.e(TAG, "Bad simPermission: " + simPermission);
+            }
+        }
+
+        Log.d(TAG, "checkUserChoice(): returning " + processed);
+        return processed;
+    }
 }
diff --git a/src/com/android/settings/bluetooth/BluetoothPermissionRequest.java b/src/com/android/settings/bluetooth/BluetoothPermissionRequest.java
index 7fac4991c..c606e31 100644
--- a/src/com/android/settings/bluetooth/BluetoothPermissionRequest.java
+++ b/src/com/android/settings/bluetooth/BluetoothPermissionRequest.java
@@ -29,9 +29,6 @@
 import android.util.Log;
 
 import com.android.settings.R;
-import com.android.settingslib.bluetooth.CachedBluetoothDevice;
-import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
-import com.android.settingslib.bluetooth.LocalBluetoothManager;
 
 /**
  * BluetoothPermissionRequest is a receiver to receive Bluetooth connection
@@ -83,21 +80,6 @@
             if (DEBUG) Log.d(TAG, "onReceive request type: " + mRequestType + " return "
                     + mReturnPackage + "," + mReturnClass);
 
-            // Even if the user has already made the choice, Bluetooth still may not know that if
-            // the user preference data have not been migrated from Settings app's shared
-            // preferences to Bluetooth app's. In that case, Bluetooth app broadcasts an
-            // ACTION_CONNECTION_ACCESS_REQUEST intent to ask to Settings app.
-            //
-            // If that happens, 'checkUserChoice()' here will do migration because it finds or
-            // creates a 'CachedBluetoothDevice' object for the device.
-            //
-            // After migration is done, 'checkUserChoice()' replies to the request by sending an
-            // ACTION_CONNECTION_ACCESS_REPLY intent. And we don't need to start permission activity
-            // dialog or notification.
-            if (checkUserChoice()) {
-                return;
-            }
-
             Intent connectionAccessIntent = new Intent(action);
             connectionAccessIntent.setClass(context, BluetoothPermissionActivity.class);
             // We use the FLAG_ACTIVITY_MULTIPLE_TASK since we can have multiple concurrent access
@@ -212,92 +194,4 @@
         }
         return null;
     }
-
-    /**
-     * @return true user had made a choice, this method replies to the request according
-     *              to user's previous decision
-     *         false user hadnot made any choice on this device
-     */
-    private boolean checkUserChoice() {
-        boolean processed = false;
-
-        // ignore if it is something else than phonebook/message settings it wants us to remember
-        if (mRequestType != BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS
-                && mRequestType != BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS
-                && mRequestType != BluetoothDevice.REQUEST_TYPE_SIM_ACCESS) {
-            if (DEBUG) Log.d(TAG, "checkUserChoice(): Unknown RequestType " + mRequestType);
-            return processed;
-        }
-
-        LocalBluetoothManager bluetoothManager = Utils.getLocalBtManager(mContext);
-        CachedBluetoothDeviceManager cachedDeviceManager =
-            bluetoothManager.getCachedDeviceManager();
-        CachedBluetoothDevice cachedDevice = cachedDeviceManager.findDevice(mDevice);
-        if (cachedDevice == null) {
-            cachedDevice = cachedDeviceManager.addDevice(mDevice);
-        }
-
-        String intentName = BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY;
-
-        if (mRequestType == BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS) {
-            int phonebookPermission = mDevice.getPhonebookAccessPermission();
-
-            if (phonebookPermission == BluetoothDevice.ACCESS_UNKNOWN) {
-                // Leave 'processed' as false.
-            } else if (phonebookPermission == BluetoothDevice.ACCESS_ALLOWED) {
-                sendReplyIntentToReceiver(true);
-                processed = true;
-            } else if (phonebookPermission == BluetoothDevice.ACCESS_REJECTED) {
-                sendReplyIntentToReceiver(false);
-                processed = true;
-            } else {
-                Log.e(TAG, "Bad phonebookPermission: " + phonebookPermission);
-            }
-        } else if (mRequestType == BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS) {
-            int messagePermission = mDevice.getMessageAccessPermission();
-
-            if (messagePermission == BluetoothDevice.ACCESS_UNKNOWN) {
-                // Leave 'processed' as false.
-            } else if (messagePermission == BluetoothDevice.ACCESS_ALLOWED) {
-                sendReplyIntentToReceiver(true);
-                processed = true;
-            } else if (messagePermission == BluetoothDevice.ACCESS_REJECTED) {
-                sendReplyIntentToReceiver(false);
-                processed = true;
-            } else {
-                Log.e(TAG, "Bad messagePermission: " + messagePermission);
-            }
-        } else if(mRequestType == BluetoothDevice.REQUEST_TYPE_SIM_ACCESS) {
-            int simPermission = mDevice.getSimAccessPermission();
-
-            if (simPermission == BluetoothDevice.ACCESS_UNKNOWN) {
-                // Leave 'processed' as false.
-            } else if (simPermission == BluetoothDevice.ACCESS_ALLOWED) {
-                sendReplyIntentToReceiver(true);
-                processed = true;
-            } else if (simPermission == BluetoothDevice.ACCESS_REJECTED) {
-                sendReplyIntentToReceiver(false);
-                processed = true;
-            } else {
-                Log.e(TAG, "Bad simPermission: " + simPermission);
-            }
-        }
-        if (DEBUG) Log.d(TAG,"checkUserChoice(): returning " + processed);
-        return processed;
-    }
-
-    private void sendReplyIntentToReceiver(final boolean allowed) {
-        Intent intent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY);
-
-        if (mReturnPackage != null && mReturnClass != null) {
-            intent.setClassName(mReturnPackage, mReturnClass);
-        }
-
-        intent.putExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT,
-                        allowed ? BluetoothDevice.CONNECTION_ACCESS_YES
-                                : BluetoothDevice.CONNECTION_ACCESS_NO);
-        intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice);
-        intent.putExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, mRequestType);
-        mContext.sendBroadcast(intent, android.Manifest.permission.BLUETOOTH_ADMIN);
-    }
 }
diff --git a/src/com/android/settings/bluetooth/DevicePickerFragment.java b/src/com/android/settings/bluetooth/DevicePickerFragment.java
index ab8eea5..214c590 100644
--- a/src/com/android/settings/bluetooth/DevicePickerFragment.java
+++ b/src/com/android/settings/bluetooth/DevicePickerFragment.java
@@ -27,12 +27,15 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.UserManager;
+import android.text.TextUtils;
+import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
 
 import androidx.annotation.VisibleForTesting;
 
 import com.android.settings.R;
+import com.android.settings.password.PasswordUtils;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
 import com.android.settingslib.core.AbstractPreferenceController;
 
@@ -48,10 +51,16 @@
 
     @VisibleForTesting
     BluetoothProgressCategory mAvailableDevicesCategory;
+    @VisibleForTesting
+    String mLaunchPackage;
+    @VisibleForTesting
+    String mLaunchClass;
+    @VisibleForTesting
+    String mCallingAppPackageName;
+    @VisibleForTesting
+    Context mContext;
 
     private boolean mNeedAuth;
-    private String mLaunchPackage;
-    private String mLaunchClass;
     private boolean mScanAllowed;
 
     public DevicePickerFragment() {
@@ -85,6 +94,9 @@
         getActivity().setTitle(getString(R.string.device_picker));
         UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
         mScanAllowed = !um.hasUserRestriction(DISALLOW_CONFIG_BLUETOOTH);
+        mCallingAppPackageName = PasswordUtils.getCallingAppPackageName(
+                getActivity().getActivityToken());
+        mContext = getContext();
         setHasOptionsMenu(true);
     }
 
@@ -188,11 +200,17 @@
     }
 
     private void sendDevicePickedIntent(BluetoothDevice device) {
+        if (!TextUtils.equals(mCallingAppPackageName, mLaunchPackage)) {
+            Log.w(TAG, "sendDevicePickedIntent() launch package name is not equivalent to"
+                    + " calling package name!");
+            return;
+        }
+
         Intent intent = new Intent(BluetoothDevicePicker.ACTION_DEVICE_SELECTED);
         intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
         if (mLaunchPackage != null && mLaunchClass != null) {
             intent.setClassName(mLaunchPackage, mLaunchClass);
         }
-        getActivity().sendBroadcast(intent, Manifest.permission.BLUETOOTH_ADMIN);
+        mContext.sendBroadcast(intent, Manifest.permission.BLUETOOTH_ADMIN);
     }
 }
diff --git a/src/com/android/settings/bluetooth/Utils.java b/src/com/android/settings/bluetooth/Utils.java
index 48c7212..ca8f9d3 100755
--- a/src/com/android/settings/bluetooth/Utils.java
+++ b/src/com/android/settings/bluetooth/Utils.java
@@ -21,14 +21,18 @@
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.provider.DeviceConfig;
 import android.provider.Settings;
+import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.app.AlertDialog;
 
 import com.android.settings.R;
+import com.android.settings.core.SettingsUIDeviceConfig;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.bluetooth.BluetoothUtils;
 import com.android.settingslib.bluetooth.BluetoothUtils.ErrorListener;
@@ -153,4 +157,36 @@
         return Settings.Global.getInt(context.getContentResolver(),
                 Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, 0) == 1;
     }
+
+    /**
+     * Check if the Bluetooth device supports advanced details header
+     *
+     * @param bluetoothDevice the BluetoothDevice to get metadata
+     * @return true if it supports advanced details header, false otherwise.
+     */
+    public static boolean isAdvancedDetailsHeader(@NonNull BluetoothDevice bluetoothDevice) {
+        final boolean advancedEnabled = DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_SETTINGS_UI,
+                SettingsUIDeviceConfig.BT_ADVANCED_HEADER_ENABLED, true);
+        if (!advancedEnabled) {
+            Log.d(TAG, "isAdvancedDetailsHeader: advancedEnabled is false");
+            return false;
+        }
+        // The metadata is for Android R
+        final boolean untetheredHeadset = BluetoothUtils.getBooleanMetaData(bluetoothDevice,
+                BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET);
+        if (untetheredHeadset) {
+            Log.d(TAG, "isAdvancedDetailsHeader: untetheredHeadset is true");
+            return true;
+        }
+        // The metadata is for Android S
+        final String deviceType = BluetoothUtils.getStringMetaData(bluetoothDevice,
+                BluetoothDevice.METADATA_DEVICE_TYPE);
+        if (TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_UNTETHERED_HEADSET)
+                || TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_WATCH)
+                || TextUtils.equals(deviceType, BluetoothDevice.DEVICE_TYPE_DEFAULT)) {
+            Log.d(TAG, "isAdvancedDetailsHeader: deviceType is " + deviceType);
+            return true;
+        }
+        return false;
+    }
 }
diff --git a/src/com/android/settings/location/BluetoothScanningFragment.java b/src/com/android/settings/location/BluetoothScanningFragment.java
new file mode 100644
index 0000000..553f975
--- /dev/null
+++ b/src/com/android/settings/location/BluetoothScanningFragment.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2021 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.location;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.search.SearchIndexable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A page that configures the Bluetooth scanning setting.
+ */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class BluetoothScanningFragment extends DashboardFragment {
+    private static final String TAG = "BluetoothScanningFragment";
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.LOCATION_SERVICES;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.location_services_bluetooth_scanning;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
+        return buildPreferenceControllers(context);
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+    }
+
+    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new BluetoothScanningPreferenceController(context));
+        return controllers;
+    }
+
+    /**
+     * For Search.
+     */
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.location_services_bluetooth_scanning) {
+
+                @Override
+                public List<AbstractPreferenceController> createPreferenceControllers(Context
+                        context) {
+                    return buildPreferenceControllers(context);
+                }
+            };
+}
diff --git a/src/com/android/settings/location/BluetoothScanningMainSwitchPreferenceController.java b/src/com/android/settings/location/BluetoothScanningMainSwitchPreferenceController.java
new file mode 100644
index 0000000..051fd8d
--- /dev/null
+++ b/src/com/android/settings/location/BluetoothScanningMainSwitchPreferenceController.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2021 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.location;
+
+import android.content.Context;
+import android.provider.Settings;
+import android.widget.Switch;
+
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settingslib.widget.MainSwitchPreference;
+import com.android.settingslib.widget.OnMainSwitchChangeListener;
+
+/**
+ * Preference controller for Bluetooth scanning main switch.
+ */
+public class BluetoothScanningMainSwitchPreferenceController extends TogglePreferenceController
+        implements OnMainSwitchChangeListener {
+
+    private static final String KEY_BLUETOOTH_SCANNING_SWITCH = "bluetooth_always_scanning_switch";
+
+    public BluetoothScanningMainSwitchPreferenceController(Context context) {
+        super(context, KEY_BLUETOOTH_SCANNING_SWITCH);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        MainSwitchPreference pref = screen.findPreference(getPreferenceKey());
+        pref.addOnSwitchChangeListener(this);
+        pref.updateStatus(isChecked());
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mContext.getResources().getBoolean(R.bool.config_show_location_scanning)
+                ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, 0) == 1;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        Settings.Global.putInt(mContext.getContentResolver(),
+                Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, isChecked ? 1 : 0);
+        // Returning true means the underlying setting is updated.
+        return true;
+    }
+
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        if (isChecked != isChecked()) {
+            setChecked(isChecked);
+        }
+    }
+}
diff --git a/src/com/android/settings/location/LocationServicesBluetoothScanningPreferenceController.java b/src/com/android/settings/location/LocationServicesBluetoothScanningPreferenceController.java
new file mode 100644
index 0000000..9913848
--- /dev/null
+++ b/src/com/android/settings/location/LocationServicesBluetoothScanningPreferenceController.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2021 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.location;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Preference controller for Bluetooth scanning in Location Services.
+ */
+public class LocationServicesBluetoothScanningPreferenceController extends
+        BasePreferenceController {
+
+    public LocationServicesBluetoothScanningPreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        final boolean bleScanOn = Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE, 0) == 1;
+        int resId =
+                bleScanOn ? R.string.scanning_status_text_on : R.string.scanning_status_text_off;
+        return mContext.getString(resId);
+    }
+
+    @AvailabilityStatus
+    public int getAvailabilityStatus() {
+        return mContext.getResources().getBoolean(R.bool.config_show_location_scanning)
+                ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+}
diff --git a/src/com/android/settings/location/LocationServicesWifiScanningPreferenceController.java b/src/com/android/settings/location/LocationServicesWifiScanningPreferenceController.java
new file mode 100644
index 0000000..080a023
--- /dev/null
+++ b/src/com/android/settings/location/LocationServicesWifiScanningPreferenceController.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2021 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.location;
+
+import android.content.Context;
+import android.net.wifi.WifiManager;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Preference controller for Wi-Fi scanning in Location Services.
+ */
+public class LocationServicesWifiScanningPreferenceController extends BasePreferenceController {
+
+    private final WifiManager mWifiManager;
+
+    public LocationServicesWifiScanningPreferenceController(Context context, String key) {
+        super(context, key);
+        mWifiManager = context.getSystemService(WifiManager.class);
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        final boolean wifiScanOn = mWifiManager.isScanAlwaysAvailable();
+        int resId =
+                wifiScanOn ? R.string.scanning_status_text_on : R.string.scanning_status_text_off;
+        return mContext.getString(resId);
+    }
+
+    @AvailabilityStatus
+    public int getAvailabilityStatus() {
+        return mContext.getResources().getBoolean(R.bool.config_show_location_scanning)
+                ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+}
diff --git a/src/com/android/settings/location/WifiScanningFragment.java b/src/com/android/settings/location/WifiScanningFragment.java
new file mode 100644
index 0000000..f5cb0ae
--- /dev/null
+++ b/src/com/android/settings/location/WifiScanningFragment.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2021 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.location;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.search.SearchIndexable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A page that configures the Wi-Fi scanning setting.
+ */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class WifiScanningFragment extends DashboardFragment {
+    private static final String TAG = "WifiScanningFragment";
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.LOCATION_SERVICES;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.location_services_wifi_scanning;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
+        return buildPreferenceControllers(context);
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+    }
+
+    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new WifiScanningPreferenceController(context));
+        return controllers;
+    }
+
+    /**
+     * For Search.
+     */
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.location_services_wifi_scanning) {
+
+                @Override
+                public List<AbstractPreferenceController> createPreferenceControllers(Context
+                        context) {
+                    return buildPreferenceControllers(context);
+                }
+            };
+}
diff --git a/src/com/android/settings/location/WifiScanningMainSwitchPreferenceController.java b/src/com/android/settings/location/WifiScanningMainSwitchPreferenceController.java
new file mode 100644
index 0000000..a69fdb8
--- /dev/null
+++ b/src/com/android/settings/location/WifiScanningMainSwitchPreferenceController.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2021 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.location;
+
+import android.content.Context;
+import android.net.wifi.WifiManager;
+import android.widget.Switch;
+
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settingslib.widget.MainSwitchPreference;
+import com.android.settingslib.widget.OnMainSwitchChangeListener;
+
+/**
+ * Preference controller for Wi-Fi scanning main switch.
+ */
+public class WifiScanningMainSwitchPreferenceController extends TogglePreferenceController
+        implements OnMainSwitchChangeListener {
+
+    private static final String KEY_WIFI_SCANNING_SWITCH = "wifi_always_scanning_switch";
+    private final WifiManager mWifiManager;
+
+    public WifiScanningMainSwitchPreferenceController(Context context) {
+        super(context, KEY_WIFI_SCANNING_SWITCH);
+        mWifiManager = context.getSystemService(WifiManager.class);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+
+        MainSwitchPreference pref = screen.findPreference(getPreferenceKey());
+        pref.addOnSwitchChangeListener(this);
+        pref.updateStatus(isChecked());
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mContext.getResources().getBoolean(R.bool.config_show_location_scanning)
+                ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return mWifiManager.isScanAlwaysAvailable();
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        mWifiManager.setScanAlwaysAvailable(isChecked);
+        // Returning true means the underlying setting is updated.
+        return true;
+    }
+
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        if (isChecked != isChecked()) {
+            setChecked(isChecked);
+        }
+    }
+}
diff --git a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
index 4878f31..ea29a1d 100644
--- a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
+++ b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
@@ -15,7 +15,6 @@
  */
 package com.android.settings.network;
 
-import static android.net.ConnectivityManager.PRIVATE_DNS_DEFAULT_MODE_FALLBACK;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OFF;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_OPPORTUNISTIC;
 import static android.net.ConnectivityManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
@@ -28,6 +27,7 @@
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.net.ConnectivityManager;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
@@ -84,14 +84,6 @@
     @VisibleForTesting
     static final String HOSTNAME_KEY = Settings.Global.PRIVATE_DNS_SPECIFIER;
 
-    public static String getModeFromSettings(ContentResolver cr) {
-        String mode = Settings.Global.getString(cr, MODE_KEY);
-        if (!PRIVATE_DNS_MAP.containsKey(mode)) {
-            mode = Settings.Global.getString(cr, Settings.Global.PRIVATE_DNS_DEFAULT_MODE);
-        }
-        return PRIVATE_DNS_MAP.containsKey(mode) ? mode : PRIVATE_DNS_DEFAULT_MODE_FALLBACK;
-    }
-
     public static String getHostnameFromSettings(ContentResolver cr) {
         return Settings.Global.getString(cr, HOSTNAME_KEY);
     }
@@ -168,7 +160,7 @@
         final Context context = getContext();
         final ContentResolver contentResolver = context.getContentResolver();
 
-        mMode = getModeFromSettings(context.getContentResolver());
+        mMode = ConnectivityManager.getPrivateDnsMode(contentResolver);
 
         mEditText = view.findViewById(R.id.private_dns_mode_provider_hostname);
         mEditText.addTextChangedListener(this);
diff --git a/src/com/android/settings/network/PrivateDnsPreferenceController.java b/src/com/android/settings/network/PrivateDnsPreferenceController.java
index 84cae88..3136040 100644
--- a/src/com/android/settings/network/PrivateDnsPreferenceController.java
+++ b/src/com/android/settings/network/PrivateDnsPreferenceController.java
@@ -118,7 +118,7 @@
     public CharSequence getSummary() {
         final Resources res = mContext.getResources();
         final ContentResolver cr = mContext.getContentResolver();
-        final String mode = PrivateDnsModeDialogPreference.getModeFromSettings(cr);
+        final String mode = ConnectivityManager.getPrivateDnsMode(cr);
         final LinkProperties lp = mLatestLinkProperties;
         final List<InetAddress> dnses = (lp == null) ? null : lp.getValidatedPrivateDnsServers();
         final boolean dnsesResolved = !ArrayUtils.isEmpty(dnses);
diff --git a/src/com/android/settings/notification/ConfigureNotificationSettings.java b/src/com/android/settings/notification/ConfigureNotificationSettings.java
index 0f3695a..dcba273 100644
--- a/src/com/android/settings/notification/ConfigureNotificationSettings.java
+++ b/src/com/android/settings/notification/ConfigureNotificationSettings.java
@@ -127,20 +127,23 @@
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
-        final PreferenceScreen screen = getPreferenceScreen();
-        final Bundle arguments = getArguments();
+        // TODO(b/182237530): This method should be removed when this flag is deprecated.
+        if (!FeatureFlagUtils.isEnabled(getContext(), FeatureFlags.SILKY_HOME)) {
+            final PreferenceScreen screen = getPreferenceScreen();
+            final Bundle arguments = getArguments();
 
-        if (screen == null) {
-            return;
-        }
-        if (arguments != null) {
-            final String highlightKey = arguments.getString(EXTRA_FRAGMENT_ARG_KEY);
-            if (!TextUtils.isEmpty(highlightKey)) {
-                final PreferenceCategory advancedCategory =
-                        screen.findPreference(KEY_ADVANCED_CATEGORY);
-                // Has highlight row - expand everything
-                advancedCategory.setInitialExpandedChildrenCount(Integer.MAX_VALUE);
-                scrollToPreference(advancedCategory);
+            if (screen == null) {
+                return;
+            }
+            if (arguments != null) {
+                final String highlightKey = arguments.getString(EXTRA_FRAGMENT_ARG_KEY);
+                if (!TextUtils.isEmpty(highlightKey)) {
+                    final PreferenceCategory advancedCategory =
+                            screen.findPreference(KEY_ADVANCED_CATEGORY);
+                    // Has highlight row - expand everything
+                    advancedCategory.setInitialExpandedChildrenCount(Integer.MAX_VALUE);
+                    scrollToPreference(advancedCategory);
+                }
             }
         }
     }
diff --git a/tests/robotests/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderControllerTest.java b/tests/robotests/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderControllerTest.java
index 4d2ad36..c8891e5 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderControllerTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderControllerTest.java
@@ -109,8 +109,61 @@
     }
 
     @Test
+    public void refresh_connectedWatch_behaveAsExpected() {
+        when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_DEVICE_TYPE)).thenReturn(
+                BluetoothDevice.DEVICE_TYPE_WATCH.getBytes());
+        when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET)).thenReturn(
+                String.valueOf(false).getBytes());
+        when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_MAIN_BATTERY)).thenReturn(
+                String.valueOf(BATTERY_LEVEL_MAIN).getBytes());
+        when(mCachedDevice.isConnected()).thenReturn(true);
+
+        mController.refresh();
+
+        assertThat(mLayoutPreference.findViewById(R.id.layout_left).getVisibility()).isEqualTo(
+                View.GONE);
+        assertThat(mLayoutPreference.findViewById(R.id.layout_right).getVisibility()).isEqualTo(
+                View.GONE);
+        assertThat(mLayoutPreference.findViewById(R.id.layout_middle).getVisibility()).isEqualTo(
+                View.VISIBLE);
+        assertBatteryLevel(mLayoutPreference.findViewById(R.id.layout_middle), BATTERY_LEVEL_MAIN);
+    }
+
+    @Test
+    public void refresh_connectedUntetheredHeadset_behaveAsExpected() {
+        when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_DEVICE_TYPE)).thenReturn(
+                BluetoothDevice.DEVICE_TYPE_UNTETHERED_HEADSET.getBytes());
+        when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET)).thenReturn(
+                String.valueOf(false).getBytes());
+        when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_UNTETHERED_LEFT_BATTERY)).thenReturn(
+                String.valueOf(BATTERY_LEVEL_LEFT).getBytes());
+        when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_UNTETHERED_RIGHT_BATTERY)).thenReturn(
+                String.valueOf(BATTERY_LEVEL_RIGHT).getBytes());
+        when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_UNTETHERED_CASE_BATTERY)).thenReturn(
+                String.valueOf(BATTERY_LEVEL_MAIN).getBytes());
+        when(mCachedDevice.isConnected()).thenReturn(true);
+
+        mController.refresh();
+
+        assertBatteryLevel(mLayoutPreference.findViewById(R.id.layout_left), BATTERY_LEVEL_LEFT);
+        assertBatteryLevel(mLayoutPreference.findViewById(R.id.layout_right), BATTERY_LEVEL_RIGHT);
+        assertBatteryLevel(mLayoutPreference.findViewById(R.id.layout_middle), BATTERY_LEVEL_MAIN);
+    }
+
+    @Test
     public void refresh_connected_updateCorrectInfo() {
         when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET)).thenReturn(
+                String.valueOf(true).getBytes());
+        when(mBluetoothDevice.getMetadata(
                 BluetoothDevice.METADATA_UNTETHERED_LEFT_BATTERY)).thenReturn(
                 String.valueOf(BATTERY_LEVEL_LEFT).getBytes());
         when(mBluetoothDevice.getMetadata(
@@ -151,6 +204,9 @@
     @Test
     public void refresh_withLowBatteryAndUncharged_showAlertIcon() {
         when(mBluetoothDevice.getMetadata(
+                BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET)).thenReturn(
+                String.valueOf(true).getBytes());
+        when(mBluetoothDevice.getMetadata(
                 BluetoothDevice.METADATA_UNTETHERED_LEFT_BATTERY)).thenReturn(
                 String.valueOf(LOW_BATTERY_LEVEL).getBytes());
         when(mBluetoothDevice.getMetadata(
diff --git a/tests/robotests/src/com/android/settings/bluetooth/BluetoothPermissionActivityTest.java b/tests/robotests/src/com/android/settings/bluetooth/BluetoothPermissionActivityTest.java
new file mode 100644
index 0000000..4dd568b
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/bluetooth/BluetoothPermissionActivityTest.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2021 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.bluetooth;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.content.Intent;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.util.ReflectionHelpers;
+
+@RunWith(RobolectricTestRunner.class)
+public class BluetoothPermissionActivityTest {
+
+    private BluetoothPermissionActivity mActivity;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        mActivity = new BluetoothPermissionActivity();
+    }
+
+    @Test
+    public void callingPackageIsEqualToReturnPackage_sendBroadcastToReturnPackage() {
+        mActivity.mReturnPackage = "com.android.settings";
+        mActivity.mReturnClass = "com.android.settings.bluetooth.BluetoothPermissionActivity";
+        mActivity.mCallingAppPackageName = "com.android.settings";
+        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+        ReflectionHelpers.setField(mActivity, "mBase", mContext);
+
+        mActivity.sendReplyIntentToReceiver(true, true);
+
+        verify(mContext).sendBroadcast(intentCaptor.capture(),
+                eq("android.permission.BLUETOOTH_ADMIN"));
+        assertThat(intentCaptor.getValue().getComponent().getPackageName())
+                .isEqualTo("com.android.settings");
+    }
+
+    @Test
+    public void callingPackageIsNotEqualToReturnPackage_broadcastNotSend() {
+        mActivity.mReturnPackage = "com.fake.settings";
+        mActivity.mReturnClass = "com.android.settings.bluetooth.BluetoothPermissionActivity";
+        mActivity.mCallingAppPackageName = "com.android.settings";
+        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+        ReflectionHelpers.setField(mActivity, "mBase", mContext);
+
+        mActivity.sendReplyIntentToReceiver(true, true);
+
+        verify(mContext, never()).sendBroadcast(intentCaptor.capture(),
+                eq("android.permission.BLUETOOTH_ADMIN"));
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/bluetooth/DevicePickerFragmentTest.java b/tests/robotests/src/com/android/settings/bluetooth/DevicePickerFragmentTest.java
index feaf683..f5635a9 100644
--- a/tests/robotests/src/com/android/settings/bluetooth/DevicePickerFragmentTest.java
+++ b/tests/robotests/src/com/android/settings/bluetooth/DevicePickerFragmentTest.java
@@ -16,28 +16,46 @@
 
 package com.android.settings.bluetooth;
 
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.bluetooth.BluetoothDevice;
+import android.content.Context;
+import android.content.Intent;
+
+import com.android.settingslib.bluetooth.CachedBluetoothDevice;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
 
 @RunWith(RobolectricTestRunner.class)
 public class DevicePickerFragmentTest {
 
     @Mock
     private BluetoothProgressCategory mAvailableDevicesCategory;
+
     private DevicePickerFragment mFragment;
+    private Context mContext;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
 
         mFragment = new DevicePickerFragment();
-
+        mContext = spy(RuntimeEnvironment.application);
+        mFragment.mContext = mContext;
         mFragment.mAvailableDevicesCategory = mAvailableDevicesCategory;
     }
 
@@ -49,4 +67,40 @@
 
         verify(mAvailableDevicesCategory).setProgress(true);
     }
+
+    @Test
+    public void callingPackageIsEqualToLaunchPackage_sendBroadcastToLaunchPackage() {
+        final CachedBluetoothDevice cachedDevice = mock(CachedBluetoothDevice.class);
+        final BluetoothDevice bluetoothDevice = mock(BluetoothDevice.class);
+        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+        when(cachedDevice.getDevice()).thenReturn(bluetoothDevice);
+        mFragment.mSelectedDevice = bluetoothDevice;
+        mFragment.mLaunchPackage = "com.android.settings";
+        mFragment.mLaunchClass = "com.android.settings.bluetooth.BluetoothPermissionActivity";
+        mFragment.mCallingAppPackageName = "com.android.settings";
+
+        mFragment.onDeviceBondStateChanged(cachedDevice, BluetoothDevice.BOND_BONDED);
+
+        verify(mContext).sendBroadcast(intentCaptor.capture(),
+                eq("android.permission.BLUETOOTH_ADMIN"));
+        assertThat(intentCaptor.getValue().getComponent().getPackageName())
+                .isEqualTo(mFragment.mLaunchPackage);
+    }
+
+    @Test
+    public void callingPackageIsNotEqualToLaunchPackage_broadcastNotSend() {
+        final CachedBluetoothDevice cachedDevice = mock(CachedBluetoothDevice.class);
+        final BluetoothDevice bluetoothDevice = mock(BluetoothDevice.class);
+        final ArgumentCaptor<Intent> intentCaptor = ArgumentCaptor.forClass(Intent.class);
+        when(cachedDevice.getDevice()).thenReturn(bluetoothDevice);
+        mFragment.mSelectedDevice = bluetoothDevice;
+        mFragment.mLaunchPackage = "com.fake.settings";
+        mFragment.mLaunchClass = "com.android.settings.bluetooth.BluetoothPermissionActivity";
+        mFragment.mCallingAppPackageName = "com.android.settings";
+
+        mFragment.onDeviceBondStateChanged(cachedDevice, BluetoothDevice.BOND_BONDED);
+
+        verify(mContext, never()).sendBroadcast(intentCaptor.capture(),
+                eq("android.permission.BLUETOOTH_ADMIN"));
+    }
 }