Revert "Add support for wired routing" (2aa6c9ae) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/media/AudioAttributesUtils.java

0 → 100644

+125 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.server.media;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.media.AudioAttributes;
		import android.media.AudioDeviceAttributes;
		import android.media.AudioDeviceInfo;
		import android.media.MediaRoute2Info;

		import com.android.media.flags.Flags;

		/* package */ final class AudioAttributesUtils {

		/* package */ static final AudioAttributes ATTRIBUTES_MEDIA = new AudioAttributes.Builder()
		.setUsage(AudioAttributes.USAGE_MEDIA)
		.build();

		private AudioAttributesUtils() {
		// no-op to prevent instantiation.
		}

		@MediaRoute2Info.Type
		/* package */ static int mapToMediaRouteType(
		@NonNull AudioDeviceAttributes audioDeviceAttributes) {
		if (Flags.enableAudioPoliciesDeviceAndBluetoothController()) {
		switch (audioDeviceAttributes.getType()) {
		case AudioDeviceInfo.TYPE_HDMI_ARC:
		return MediaRoute2Info.TYPE_HDMI_ARC;
		case AudioDeviceInfo.TYPE_HDMI_EARC:
		return MediaRoute2Info.TYPE_HDMI_EARC;
		}
		}
		switch (audioDeviceAttributes.getType()) {
		case AudioDeviceInfo.TYPE_BUILTIN_EARPIECE:
		case AudioDeviceInfo.TYPE_BUILTIN_SPEAKER:
		return MediaRoute2Info.TYPE_BUILTIN_SPEAKER;
		case AudioDeviceInfo.TYPE_WIRED_HEADSET:
		return MediaRoute2Info.TYPE_WIRED_HEADSET;
		case AudioDeviceInfo.TYPE_WIRED_HEADPHONES:
		return MediaRoute2Info.TYPE_WIRED_HEADPHONES;
		case AudioDeviceInfo.TYPE_DOCK:
		case AudioDeviceInfo.TYPE_DOCK_ANALOG:
		return MediaRoute2Info.TYPE_DOCK;
		case AudioDeviceInfo.TYPE_HDMI:
		case AudioDeviceInfo.TYPE_HDMI_ARC:
		case AudioDeviceInfo.TYPE_HDMI_EARC:
		return MediaRoute2Info.TYPE_HDMI;
		case AudioDeviceInfo.TYPE_USB_DEVICE:
		return MediaRoute2Info.TYPE_USB_DEVICE;
		case AudioDeviceInfo.TYPE_BLUETOOTH_A2DP:
		return MediaRoute2Info.TYPE_BLUETOOTH_A2DP;
		case AudioDeviceInfo.TYPE_BLE_HEADSET:
		return MediaRoute2Info.TYPE_BLE_HEADSET;
		case AudioDeviceInfo.TYPE_HEARING_AID:
		return MediaRoute2Info.TYPE_HEARING_AID;
		default:
		return MediaRoute2Info.TYPE_UNKNOWN;
		}
		}

		/* package */ static boolean isDeviceOutputAttributes(
		@Nullable AudioDeviceAttributes audioDeviceAttributes) {
		if (audioDeviceAttributes == null) {
		return false;
		}

		if (audioDeviceAttributes.getRole() != AudioDeviceAttributes.ROLE_OUTPUT) {
		return false;
		}

		switch (audioDeviceAttributes.getType()) {
		case AudioDeviceInfo.TYPE_BUILTIN_EARPIECE:
		case AudioDeviceInfo.TYPE_BUILTIN_SPEAKER:
		case AudioDeviceInfo.TYPE_WIRED_HEADSET:
		case AudioDeviceInfo.TYPE_WIRED_HEADPHONES:
		case AudioDeviceInfo.TYPE_DOCK:
		case AudioDeviceInfo.TYPE_DOCK_ANALOG:
		case AudioDeviceInfo.TYPE_HDMI:
		case AudioDeviceInfo.TYPE_HDMI_ARC:
		case AudioDeviceInfo.TYPE_HDMI_EARC:
		case AudioDeviceInfo.TYPE_USB_DEVICE:
		return true;
		default:
		return false;
		}
		}

		/* package */ static boolean isBluetoothOutputAttributes(
		@Nullable AudioDeviceAttributes audioDeviceAttributes) {
		if (audioDeviceAttributes == null) {
		return false;
		}

		if (audioDeviceAttributes.getRole() != AudioDeviceAttributes.ROLE_OUTPUT) {
		return false;
		}

		switch (audioDeviceAttributes.getType()) {
		case AudioDeviceInfo.TYPE_BLUETOOTH_A2DP:
		case AudioDeviceInfo.TYPE_BLE_HEADSET:
		case AudioDeviceInfo.TYPE_BLE_SPEAKER:
		case AudioDeviceInfo.TYPE_HEARING_AID:
		return true;
		default:
		return false;
		}
		}

		}

services/core/java/com/android/server/media/AudioPoliciesBluetoothRouteController.java

+256 −80

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package com.android.server.media;

		import static android.bluetooth.BluetoothAdapter.ACTIVE_DEVICE_AUDIO;
		import static android.bluetooth.BluetoothAdapter.STATE_CONNECTED;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		@@ -30,37 +31,38 @@ import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.media.AudioManager;
		import android.media.AudioSystem;
		import android.media.MediaRoute2Info;
		import android.os.UserHandle;
		import android.text.TextUtils;
		import android.util.Log;
		import android.util.Slog;
		import android.util.SparseBooleanArray;
		import android.util.SparseIntArray;

		import com.android.internal.R;
		import com.android.internal.annotations.VisibleForTesting;

		import java.util.ArrayList;
		import java.util.HashMap;
		import java.util.HashSet;
		import java.util.List;
		import java.util.Map;
		import java.util.Objects;
		import java.util.Set;
		import java.util.function.Function;
		import java.util.stream.Collectors;

		/**
		* Maintains a list of connected {@link BluetoothDevice bluetooth devices} and allows their
		* activation.
		* Controls bluetooth routes and provides selected route override.
		*
		* <p>This class also serves as ground truth for assigning {@link MediaRoute2Info#getId() route ids}
		* for bluetooth routes via {@link #getRouteIdForBluetoothAddress}.
		* <p>The controller offers similar functionality to {@link LegacyBluetoothRouteController} but does
		* not support routes selection logic. Instead, relies on external clients to make a decision
		* about currently selected route.
		*
		* <p>Selected route override should be used by {@link AudioManager} which is aware of Audio
		* Policies.
		*/
		// TODO: b/305199571 - Rename this class to remove the RouteController suffix, which causes
		// confusion with the BluetoothRouteController interface.
		/* package */ class AudioPoliciesBluetoothRouteController {
		private static final String TAG = SystemMediaRoute2Provider.TAG;
		/* package */ class AudioPoliciesBluetoothRouteController
		implements BluetoothRouteController {
		private static final String TAG = "APBtRouteController";

		private static final String HEARING_AID_ROUTE_ID_PREFIX = "HEARING_AID_";
		private static final String LE_AUDIO_ROUTE_ID_PREFIX = "LE_AUDIO_";
		@@ -73,8 +75,11 @@ import java.util.stream.Collectors;
		private final DeviceStateChangedReceiver mDeviceStateChangedReceiver =
		new DeviceStateChangedReceiver();

		@NonNull private Map<String, BluetoothDevice> mAddressToBondedDevice = new HashMap<>();
		@NonNull private final Map<String, BluetoothRouteInfo> mBluetoothRoutes = new HashMap<>();
		@NonNull
		private final Map<String, BluetoothRouteInfo> mBluetoothRoutes = new HashMap<>();

		@NonNull
		private final SparseIntArray mVolumeMap = new SparseIntArray();

		@NonNull
		private final Context mContext;
		@@ -84,6 +89,11 @@ import java.util.stream.Collectors;
		private final BluetoothRouteController.BluetoothRoutesUpdatedListener mListener;
		@NonNull
		private final BluetoothProfileMonitor mBluetoothProfileMonitor;
		@NonNull
		private final AudioManager mAudioManager;

		@Nullable
		private BluetoothRouteInfo mSelectedBluetoothRoute;

		AudioPoliciesBluetoothRouteController(@NonNull Context context,
		@NonNull BluetoothAdapter bluetoothAdapter,
		@@ -97,12 +107,21 @@ import java.util.stream.Collectors;
		@NonNull BluetoothAdapter bluetoothAdapter,
		@NonNull BluetoothProfileMonitor bluetoothProfileMonitor,
		@NonNull BluetoothRouteController.BluetoothRoutesUpdatedListener listener) {
		mContext = Objects.requireNonNull(context);
		mBluetoothAdapter = Objects.requireNonNull(bluetoothAdapter);
		mBluetoothProfileMonitor = Objects.requireNonNull(bluetoothProfileMonitor);
		mListener = Objects.requireNonNull(listener);
		Objects.requireNonNull(context);
		Objects.requireNonNull(bluetoothAdapter);
		Objects.requireNonNull(bluetoothProfileMonitor);
		Objects.requireNonNull(listener);

		mContext = context;
		mBluetoothAdapter = bluetoothAdapter;
		mBluetoothProfileMonitor = bluetoothProfileMonitor;
		mAudioManager = mContext.getSystemService(AudioManager.class);
		mListener = listener;

		updateBluetoothRoutes();
		}

		@Override
		public void start(UserHandle user) {
		mBluetoothProfileMonitor.start();

		@@ -114,63 +133,122 @@ import java.util.stream.Collectors;

		IntentFilter deviceStateChangedIntentFilter = new IntentFilter();

		deviceStateChangedIntentFilter.addAction(BluetoothA2dp.ACTION_ACTIVE_DEVICE_CHANGED);
		deviceStateChangedIntentFilter.addAction(BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED);
		deviceStateChangedIntentFilter.addAction(BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED);
		deviceStateChangedIntentFilter.addAction(
		BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED);
		deviceStateChangedIntentFilter.addAction(
		BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED);
		deviceStateChangedIntentFilter.addAction(
		BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED);

		mContext.registerReceiverAsUser(mDeviceStateChangedReceiver, user,
		deviceStateChangedIntentFilter, null, null);
		updateBluetoothRoutes();
		}

		@Override
		public void stop() {
		mContext.unregisterReceiver(mAdapterStateChangedReceiver);
		mContext.unregisterReceiver(mDeviceStateChangedReceiver);
		}

		@Nullable
		public synchronized String getRouteIdForBluetoothAddress(@Nullable String address) {
		BluetoothDevice bluetoothDevice = mAddressToBondedDevice.get(address);
		// TODO: b/305199571 - Optimize the following statement to avoid creating the full
		// MediaRoute2Info instance. We just need the id.
		return bluetoothDevice != null
		? createBluetoothRoute(bluetoothDevice).mRoute.getId()
		: null;
		@Override
		public boolean selectRoute(@Nullable String deviceAddress) {
		synchronized (this) {
		// Fetch all available devices in order to avoid race conditions with Bluetooth stack.
		updateBluetoothRoutes();

		if (deviceAddress == null) {
		mSelectedBluetoothRoute = null;
		return true;
		}

		BluetoothRouteInfo bluetoothRouteInfo = mBluetoothRoutes.get(deviceAddress);

		if (bluetoothRouteInfo == null) {
		Slog.w(TAG, "Cannot find bluetooth route for " + deviceAddress);
		return false;
		}

		public synchronized void activateBluetoothDeviceWithAddress(String address) {
		BluetoothRouteInfo btRouteInfo = mBluetoothRoutes.get(address);
		mSelectedBluetoothRoute = bluetoothRouteInfo;
		setRouteConnectionState(mSelectedBluetoothRoute, STATE_CONNECTED);

		updateConnectivityStateForDevicesInTheSameGroup();

		return true;
		}
		}

		/**
		* Updates connectivity state for devices in the same devices group.
		*
		* <p>{@link BluetoothProfile#LE_AUDIO} and {@link BluetoothProfile#HEARING_AID} support
		* grouping devices. Devices that belong to the same group should have the same routeId but
		* different physical address.
		*
		* <p>In case one of the devices from the group is selected then other devices should also
		* reflect this by changing their connectivity status to
		* {@link MediaRoute2Info#CONNECTION_STATE_CONNECTED}.
		*/
		private void updateConnectivityStateForDevicesInTheSameGroup() {
		synchronized (this) {
		for (BluetoothRouteInfo btRoute : mBluetoothRoutes.values()) {
		if (TextUtils.equals(btRoute.mRoute.getId(), mSelectedBluetoothRoute.mRoute.getId())
		&& !TextUtils.equals(btRoute.mBtDevice.getAddress(),
		mSelectedBluetoothRoute.mBtDevice.getAddress())) {
		setRouteConnectionState(btRoute, STATE_CONNECTED);
		}
		}
		}
		}

		@Override
		public void transferTo(@Nullable String routeId) {
		if (routeId == null) {
		mBluetoothAdapter.removeActiveDevice(ACTIVE_DEVICE_AUDIO);
		return;
		}

		BluetoothRouteInfo btRouteInfo = findBluetoothRouteWithRouteId(routeId);

		if (btRouteInfo == null) {
		Slog.w(TAG, "activateBluetoothDeviceWithAddress: Ignoring unknown address " + address);
		Slog.w(TAG, "transferTo: Unknown route. ID=" + routeId);
		return;
		}

		mBluetoothAdapter.setActiveDevice(btRouteInfo.mBtDevice, ACTIVE_DEVICE_AUDIO);
		}

		@Nullable
		private BluetoothRouteInfo findBluetoothRouteWithRouteId(@Nullable String routeId) {
		if (routeId == null) {
		return null;
		}
		synchronized (this) {
		for (BluetoothRouteInfo btRouteInfo : mBluetoothRoutes.values()) {
		if (TextUtils.equals(btRouteInfo.mRoute.getId(), routeId)) {
		return btRouteInfo;
		}
		}
		}
		return null;
		}

		private void updateBluetoothRoutes() {
		Set<BluetoothDevice> bondedDevices = mBluetoothAdapter.getBondedDevices();

		synchronized (this) {
		mBluetoothRoutes.clear();
		if (bondedDevices == null) {
		// Bonded devices is null upon running into a BluetoothAdapter error.
		Log.w(TAG, "BluetoothAdapter.getBondedDevices returned null.");
		return;
		}
		// We don't clear bonded devices if we receive a null getBondedDevices result, because
		// that probably means that the bluetooth stack ran into an issue. Not that all devices
		// have been unpaired.
		mAddressToBondedDevice =
		bondedDevices.stream()
		.collect(
		Collectors.toMap(
		BluetoothDevice::getAddress, Function.identity()));

		synchronized (this) {
		mBluetoothRoutes.clear();

		// We need to query all available to BT stack devices in order to avoid inconsistency
		// between external services, like, AndroidManager, and BT stack.
		for (BluetoothDevice device : bondedDevices) {
		if (device.isConnected()) {
		if (isDeviceConnected(device)) {
		BluetoothRouteInfo newBtRoute = createBluetoothRoute(device);
		if (newBtRoute.mConnectedProfiles.size() > 0) {
		mBluetoothRoutes.put(device.getAddress(), newBtRoute);
		@@ -180,51 +258,106 @@ import java.util.stream.Collectors;
		}
		}

		@VisibleForTesting
		/* package */ boolean isDeviceConnected(@NonNull BluetoothDevice device) {
		return device.isConnected();
		}

		@Nullable
		@Override
		public MediaRoute2Info getSelectedRoute() {
		synchronized (this) {
		if (mSelectedBluetoothRoute == null) {
		return null;
		}

		return mSelectedBluetoothRoute.mRoute;
		}
		}

		@NonNull
		@Override
		public List<MediaRoute2Info> getTransferableRoutes() {
		List<MediaRoute2Info> routes = getAllBluetoothRoutes();
		synchronized (this) {
		if (mSelectedBluetoothRoute != null) {
		routes.remove(mSelectedBluetoothRoute.mRoute);
		}
		}
		return routes;
		}

		@NonNull
		public List<MediaRoute2Info> getAvailableBluetoothRoutes() {
		@Override
		public List<MediaRoute2Info> getAllBluetoothRoutes() {
		List<MediaRoute2Info> routes = new ArrayList<>();
		Set<String> routeIds = new HashSet<>();
		List<String> routeIds = new ArrayList<>();

		MediaRoute2Info selectedRoute = getSelectedRoute();
		if (selectedRoute != null) {
		routes.add(selectedRoute);
		routeIds.add(selectedRoute.getId());
		}

		synchronized (this) {
		for (BluetoothRouteInfo btRoute : mBluetoothRoutes.values()) {
		// See createBluetoothRoute for info on why we do this.
		if (routeIds.add(btRoute.mRoute.getId())) {
		routes.add(btRoute.mRoute);
		// A pair of hearing aid devices or having the same hardware address
		if (routeIds.contains(btRoute.mRoute.getId())) {
		continue;
		}
		routes.add(btRoute.mRoute);
		routeIds.add(btRoute.mRoute.getId());
		}
		}
		return routes;
		}

		@Override
		public boolean updateVolumeForDevices(int devices, int volume) {
		int routeType;
		if ((devices & (AudioSystem.DEVICE_OUT_HEARING_AID)) != 0) {
		routeType = MediaRoute2Info.TYPE_HEARING_AID;
		} else if ((devices & (AudioManager.DEVICE_OUT_BLUETOOTH_A2DP
		\| AudioManager.DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES
		\| AudioManager.DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER)) != 0) {
		routeType = MediaRoute2Info.TYPE_BLUETOOTH_A2DP;
		} else if ((devices & (AudioManager.DEVICE_OUT_BLE_HEADSET)) != 0) {
		routeType = MediaRoute2Info.TYPE_BLE_HEADSET;
		} else {
		return false;
		}

		synchronized (this) {
		mVolumeMap.put(routeType, volume);
		if (mSelectedBluetoothRoute == null
		\|\| mSelectedBluetoothRoute.mRoute.getType() != routeType) {
		return false;
		}

		mSelectedBluetoothRoute.mRoute =
		new MediaRoute2Info.Builder(mSelectedBluetoothRoute.mRoute)
		.setVolume(volume)
		.build();
		}

		notifyBluetoothRoutesUpdated();
		return true;
		}

		private void notifyBluetoothRoutesUpdated() {
		mListener.onBluetoothRoutesUpdated();
		}

		/**
		* Creates a new {@link BluetoothRouteInfo}, including its member {@link
		* BluetoothRouteInfo#mRoute}.
		*
		* <p>The most important logic in this method is around the {@link MediaRoute2Info#getId() route
		* id} assignment. In some cases we want to group multiple {@link BluetoothDevice bluetooth
		* devices} as a single media route. For example, the left and right hearing aids get exposed as
		* two different BluetoothDevice instances, but we want to show them as a single route. In this
		* case, we assign the same route id to all "group" bluetooth devices (like left and right
		* hearing aids), so that a single route is exposed for both of them.
		*
		* <p>Deduplication by id happens downstream because we need to be able to refer to all
		* bluetooth devices individually, since the audio stack refers to a bluetooth device group by
		* any of its member devices.
		*/
		private BluetoothRouteInfo createBluetoothRoute(BluetoothDevice device) {
		BluetoothRouteInfo
		newBtRoute = new BluetoothRouteInfo();
		newBtRoute.mBtDevice = device;

		String routeId = device.getAddress();
		String deviceName = device.getName();
		if (TextUtils.isEmpty(deviceName)) {
		deviceName = mContext.getResources().getText(R.string.unknownName).toString();
		}

		String routeId = device.getAddress();
		int type = MediaRoute2Info.TYPE_BLUETOOTH_A2DP;
		newBtRoute.mConnectedProfiles = new SparseBooleanArray();
		if (mBluetoothProfileMonitor.isProfileSupported(BluetoothProfile.A2DP, device)) {
		@@ -232,6 +365,7 @@ import java.util.stream.Collectors;
		}
		if (mBluetoothProfileMonitor.isProfileSupported(BluetoothProfile.HEARING_AID, device)) {
		newBtRoute.mConnectedProfiles.put(BluetoothProfile.HEARING_AID, true);
		// Intentionally assign the same ID for a pair of devices to publish only one of them.
		routeId = HEARING_AID_ROUTE_ID_PREFIX
		+ mBluetoothProfileMonitor.getGroupId(BluetoothProfile.HEARING_AID, device);
		type = MediaRoute2Info.TYPE_HEARING_AID;
		@@ -243,27 +377,66 @@ import java.util.stream.Collectors;
		type = MediaRoute2Info.TYPE_BLE_HEADSET;
		}

		// Note that volume is only relevant for active bluetooth routes, and those are managed via
		// AudioManager.
		newBtRoute.mRoute =
		new MediaRoute2Info.Builder(routeId, deviceName)
		// Current volume will be set when connected.
		newBtRoute.mRoute = new MediaRoute2Info.Builder(routeId, deviceName)
		.addFeature(MediaRoute2Info.FEATURE_LIVE_AUDIO)
		.addFeature(MediaRoute2Info.FEATURE_LOCAL_PLAYBACK)
		.setConnectionState(MediaRoute2Info.CONNECTION_STATE_DISCONNECTED)
		.setDescription(
		mContext.getResources()
		.getText(R.string.bluetooth_a2dp_audio_route_name)
		.toString())
		.setDescription(mContext.getResources().getText(
		R.string.bluetooth_a2dp_audio_route_name).toString())
		.setType(type)
		.setVolumeHandling(MediaRoute2Info.PLAYBACK_VOLUME_VARIABLE)
		.setVolumeMax(mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC))
		.setAddress(device.getAddress())
		.build();
		return newBtRoute;
		}

		private void setRouteConnectionState(@NonNull BluetoothRouteInfo btRoute,
		@MediaRoute2Info.ConnectionState int state) {
		if (btRoute == null) {
		Slog.w(TAG, "setRouteConnectionState: route shouldn't be null");
		return;
		}
		if (btRoute.mRoute.getConnectionState() == state) {
		return;
		}

		MediaRoute2Info.Builder builder = new MediaRoute2Info.Builder(btRoute.mRoute)
		.setConnectionState(state);
		builder.setType(btRoute.getRouteType());



		if (state == MediaRoute2Info.CONNECTION_STATE_CONNECTED) {
		int currentVolume;
		synchronized (this) {
		currentVolume = mVolumeMap.get(btRoute.getRouteType(), 0);
		}
		builder.setVolume(currentVolume);
		}

		btRoute.mRoute = builder.build();
		}

		private static class BluetoothRouteInfo {
		private BluetoothDevice mBtDevice;
		private MediaRoute2Info mRoute;
		private SparseBooleanArray mConnectedProfiles;

		@MediaRoute2Info.Type
		int getRouteType() {
		// Let hearing aid profile have a priority.
		if (mConnectedProfiles.get(BluetoothProfile.HEARING_AID, false)) {
		return MediaRoute2Info.TYPE_HEARING_AID;
		}

		if (mConnectedProfiles.get(BluetoothProfile.LE_AUDIO, false)) {
		return MediaRoute2Info.TYPE_BLE_HEADSET;
		}

		return MediaRoute2Info.TYPE_BLUETOOTH_A2DP;
		}
		}

		private class AdapterStateChangedReceiver extends BroadcastReceiver {
		@@ -295,6 +468,9 @@ import java.util.stream.Collectors;
		@Override
		public void onReceive(Context context, Intent intent) {
		switch (intent.getAction()) {
		case BluetoothA2dp.ACTION_ACTIVE_DEVICE_CHANGED:
		case BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED:
		case BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED:
		case BluetoothA2dp.ACTION_CONNECTION_STATE_CHANGED:
		case BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED:
		case BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED: