| /* | |
| * Copyright 2020 HIMSA II K/S - www.himsa.com. | |
| * Represented by EHIMA - www.ehima.com | |
| * | |
| * 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 android.bluetooth; | |
| import static android.Manifest.permission.BLUETOOTH_CONNECT; | |
| import static android.Manifest.permission.BLUETOOTH_PRIVILEGED; | |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; | |
| import static android.bluetooth.BluetoothProfile.STATE_DISCONNECTED; | |
| import static android.bluetooth.BluetoothUtils.enforcePermissionInFramework; | |
| import static java.util.Objects.requireNonNull; | |
| import android.annotation.CallbackExecutor; | |
| import android.annotation.Hide; | |
| import android.annotation.IntDef; | |
| import android.annotation.IntRange; | |
| import android.annotation.NonNull; | |
| import android.annotation.Nullable; | |
| import android.annotation.RequiresNoPermission; | |
| import android.annotation.RequiresPermission; | |
| import android.annotation.SdkConstant; | |
| import android.annotation.SdkConstant.SdkConstantType; | |
| import android.annotation.SuppressLint; | |
| import android.annotation.SystemApi; | |
| import android.app.compat.CompatChanges; | |
| import android.bluetooth.annotations.RequiresBluetoothConnectPermission; | |
| import android.bluetooth.annotations.RequiresLegacyBluetoothPermission; | |
| import android.compat.annotation.ChangeId; | |
| import android.compat.annotation.EnabledSince; | |
| import android.content.AttributionSource; | |
| import android.content.Context; | |
| import android.os.IBinder; | |
| import android.os.RemoteException; | |
| import android.util.CloseGuard; | |
| import android.util.Log; | |
| import java.lang.annotation.Retention; | |
| import java.lang.annotation.RetentionPolicy; | |
| import java.util.Collections; | |
| import java.util.List; | |
| import java.util.concurrent.Executor; | |
| import java.util.function.Consumer; | |
| /** | |
| * This class provides the public APIs to control the LeAudio profile. | |
| * | |
| * <p>BluetoothLeAudio is a proxy object for controlling the Bluetooth LE Audio Service via IPC. Use | |
| * {@link BluetoothAdapter#getProfileProxy} to get the BluetoothLeAudio proxy object. | |
| * | |
| * <p>Android only supports one set of connected Bluetooth LeAudio device at a time. Each method is | |
| * protected with its appropriate permission. | |
| */ | |
| public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable { | |
| private static final String TAG = BluetoothLeAudio.class.getSimpleName(); | |
| private static final boolean DBG = Log.isLoggable("bluetooth", Log.DEBUG); | |
| private static final boolean VDBG = Log.isLoggable("bluetooth", Log.VERBOSE); | |
| private final CloseGuard mCloseGuard; | |
| /** | |
| * This class provides a callback that is invoked when audio codec config changes on the remote | |
| * device. | |
| */ | |
| @Hide | |
| @SystemApi | |
| public interface Callback { | |
| @Hide | |
| @Retention(RetentionPolicy.SOURCE) | |
| @IntDef( | |
| value = { | |
| GROUP_STATUS_ACTIVE, | |
| GROUP_STATUS_INACTIVE, | |
| }) | |
| @interface GroupStatus {} | |
| @Hide | |
| @Retention(RetentionPolicy.SOURCE) | |
| @IntDef( | |
| value = { | |
| GROUP_STREAM_STATUS_IDLE, | |
| GROUP_STREAM_STATUS_STREAMING, | |
| }) | |
| @interface GroupStreamStatus {} | |
| /** | |
| * Callback invoked when callback is registered and when codec config changes on the remote | |
| * device. | |
| * | |
| * @param groupId the group id | |
| * @param status latest codec status for this group | |
| */ | |
| @Hide | |
| @SystemApi | |
| void onCodecConfigChanged(int groupId, @NonNull BluetoothLeAudioCodecStatus status); | |
| /** | |
| * Callback invoked when a device has been added to the group. It usually happens after | |
| * connection or on bluetooth startup if the device is bonded. | |
| * | |
| * @param device the device which is added to the group | |
| * @param groupId the group id | |
| */ | |
| @Hide | |
| @SystemApi | |
| void onGroupNodeAdded(@NonNull BluetoothDevice device, int groupId); | |
| /** | |
| * Callback invoked when a device has been removed from the group. It usually happens when | |
| * device gets unbonded. | |
| * | |
| * @param device the device which is removed from the group | |
| * @param groupId the group id | |
| */ | |
| @Hide | |
| @SystemApi | |
| void onGroupNodeRemoved(@NonNull BluetoothDevice device, int groupId); | |
| /** | |
| * Callback invoked the group's active state changes. | |
| * | |
| * @param groupId the group id | |
| * @param groupStatus active or inactive state. | |
| */ | |
| @Hide | |
| @SystemApi | |
| void onGroupStatusChanged(int groupId, @GroupStatus int groupStatus); | |
| /** | |
| * Callback invoked when the group's stream status changes. | |
| * | |
| * @param groupId the group id | |
| * @param groupStreamStatus streaming or idle state. | |
| */ | |
| @Hide | |
| @SystemApi | |
| default void onGroupStreamStatusChanged( | |
| int groupId, @GroupStreamStatus int groupStreamStatus) { | |
| if (DBG) { | |
| Log.d(TAG, " onGroupStreamStatusChanged is not implemented."); | |
| } | |
| } | |
| /** | |
| * Callback invoked when the broadcast to unicast fallback group changes. | |
| * | |
| * <p>This callback provides the new broadcast to unicast fallback group ID. It is invoked | |
| * when the broadcast to unicast fallback group is initially set, or when it subsequently | |
| * changes. | |
| * | |
| * @param groupId The ID of the new broadcast to unicast fallback group. | |
| */ | |
| @Hide | |
| @SystemApi | |
| default void onBroadcastToUnicastFallbackGroupChanged(int groupId) { | |
| if (DBG) { | |
| Log.d(TAG, "onBroadcastToUnicastFallbackGroupChanged is not implemented."); | |
| } | |
| } | |
| } | |
| private final CallbackWrapper<Callback, IBluetoothLeAudio> mCallbackWrapper; | |
| private final IBluetoothLeAudioCallback mCallback = new LeAudioNotifyCallback(); | |
| private class LeAudioNotifyCallback extends IBluetoothLeAudioCallback.Stub { | |
| @Override | |
| public void onCodecConfigChanged(int groupId, BluetoothLeAudioCodecStatus status) { | |
| mCallbackWrapper.forEach((cb) -> cb.onCodecConfigChanged(groupId, status)); | |
| } | |
| @Override | |
| public void onGroupNodeAdded(@NonNull BluetoothDevice device, int groupId) { | |
| Attributable.setAttributionSource(device, mAttributionSource); | |
| mCallbackWrapper.forEach((cb) -> cb.onGroupNodeAdded(device, groupId)); | |
| } | |
| @Override | |
| public void onGroupNodeRemoved(@NonNull BluetoothDevice device, int groupId) { | |
| Attributable.setAttributionSource(device, mAttributionSource); | |
| mCallbackWrapper.forEach((cb) -> cb.onGroupNodeRemoved(device, groupId)); | |
| } | |
| @Override | |
| public void onGroupStatusChanged(int groupId, int groupStatus) { | |
| mCallbackWrapper.forEach((cb) -> cb.onGroupStatusChanged(groupId, groupStatus)); | |
| } | |
| @Override | |
| public void onGroupStreamStatusChanged(int groupId, int groupStreamStatus) { | |
| mCallbackWrapper.forEach( | |
| (cb) -> cb.onGroupStreamStatusChanged(groupId, groupStreamStatus)); | |
| } | |
| @Override | |
| public void onBroadcastToUnicastFallbackGroupChanged(int groupId) { | |
| mCallbackWrapper.forEach((cb) -> cb.onBroadcastToUnicastFallbackGroupChanged(groupId)); | |
| } | |
| } | |
| /** | |
| * Intent used to broadcast the change in connection state of the LeAudio profile. Please note | |
| * that in the binaural case, there will be two different LE devices for the left and right side | |
| * and each device will have their own connection state changes. | |
| * | |
| * <p>This intent will have 3 extras: | |
| * | |
| * <ul> | |
| * <li>{@link #EXTRA_STATE} - The current state of the profile. | |
| * <li>{@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile. | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. | |
| * </ul> | |
| * | |
| * <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of {@link | |
| * #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, {@link #STATE_CONNECTED}, {@link | |
| * #STATE_DISCONNECTING}. | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED = | |
| "android.bluetooth.action.LE_AUDIO_CONNECTION_STATE_CHANGED"; | |
| /** | |
| * Intent used to broadcast the selection of a connected device as active. | |
| * | |
| * <p>This intent will have one extra: | |
| * | |
| * <ul> | |
| * <li>{@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can be null if no device | |
| * is active. | |
| * </ul> | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) | |
| public static final String ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED = | |
| "android.bluetooth.action.LE_AUDIO_ACTIVE_DEVICE_CHANGED"; | |
| /** Indicates invalid/unset audio context. */ | |
| @Hide public static final int CONTEXT_TYPE_INVALID = 0x0000; | |
| /** Indicates unspecified audio content. */ | |
| @Hide public static final int CONTEXT_TYPE_UNSPECIFIED = 0x0001; | |
| /** Indicates conversation between humans as, for example, in telephony or video calls. */ | |
| @Hide public static final int CONTEXT_TYPE_CONVERSATIONAL = 0x0002; | |
| /** Indicates media as, for example, in music, public radio, podcast or video soundtrack. */ | |
| @Hide public static final int CONTEXT_TYPE_MEDIA = 0x0004; | |
| /** Indicates audio associated with a video gaming. */ | |
| @Hide public static final int CONTEXT_TYPE_GAME = 0x0008; | |
| /** | |
| * Indicates instructional audio as, for example, in navigation, announcements or user guidance. | |
| */ | |
| @Hide public static final int CONTEXT_TYPE_INSTRUCTIONAL = 0x0010; | |
| /** | |
| * Indicates man machine communication as, for example, with voice recognition or virtual | |
| * assistant. | |
| */ | |
| @Hide public static final int CONTEXT_TYPE_VOICE_ASSISTANTS = 0x0020; | |
| /** Indicates audio associated with a live audio stream. */ | |
| @Hide public static final int CONTEXT_TYPE_LIVE = 0x0040; | |
| /** | |
| * Indicates sound effects as, for example, in keyboard, touch feedback; menu and user interface | |
| * sounds, and other system sounds. | |
| */ | |
| @Hide public static final int CONTEXT_TYPE_SOUND_EFFECTS = 0x0080; | |
| /** | |
| * Indicates notification and reminder sounds, attention-seeking audio, for example, in beeps | |
| * signaling the arrival of a message. | |
| */ | |
| @Hide public static final int CONTEXT_TYPE_NOTIFICATIONS = 0x0100; | |
| /** Indicates ringtone as in a call alert. */ | |
| @Hide public static final int CONTEXT_TYPE_RINGTONE = 0x0200; | |
| /** | |
| * Indicates alerts and timers, immediate alerts as, for example, in a low battery alarm, timer | |
| * expiry or alarm clock. | |
| */ | |
| @Hide public static final int CONTEXT_TYPE_ALERTS = 0x0400; | |
| /** Indicates emergency alarm as, for example, with fire alarms or other urgent alerts. */ | |
| @Hide public static final int CONTEXT_TYPE_EMERGENCY_ALARM = 0x0800; | |
| /** Indicates all contexts. */ | |
| @Hide | |
| public static final int CONTEXTS_ALL = | |
| CONTEXT_TYPE_UNSPECIFIED | |
| | CONTEXT_TYPE_CONVERSATIONAL | |
| | CONTEXT_TYPE_MEDIA | |
| | CONTEXT_TYPE_GAME | |
| | CONTEXT_TYPE_INSTRUCTIONAL | |
| | CONTEXT_TYPE_VOICE_ASSISTANTS | |
| | CONTEXT_TYPE_LIVE | |
| | CONTEXT_TYPE_SOUND_EFFECTS | |
| | CONTEXT_TYPE_NOTIFICATIONS | |
| | CONTEXT_TYPE_RINGTONE | |
| | CONTEXT_TYPE_ALERTS | |
| | CONTEXT_TYPE_EMERGENCY_ALARM; | |
| /** This represents an invalid group ID. */ | |
| public static final int GROUP_ID_INVALID = IBluetoothLeAudio.LE_AUDIO_GROUP_ID_INVALID; | |
| /** | |
| * This ChangeId allows to use new Mono audio location as per | |
| * https://www.bluetooth.com/specifications/assigned-numbers/ 6.12.1 Audio Location Definitions | |
| */ | |
| @ChangeId | |
| @EnabledSince(targetSdkVersion = android.os.Build.VERSION_CODES.VANILLA_ICE_CREAM) | |
| static final long LEAUDIO_MONO_LOCATION_ERRATA = 330847930L; | |
| /** | |
| * This represents an invalid audio location. | |
| * | |
| * @deprecated As per Bluetooth Assigned Numbers, previously location invalid is now replaced | |
| * with a meaning MONO. | |
| */ | |
| @Hide @Deprecated @SystemApi public static final int AUDIO_LOCATION_INVALID = 0; | |
| /** This represents an Mono audio location. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_MONO = 0; | |
| /** | |
| * This represents an Unknown audio location which will be returned only when Bluetooth is OFF. | |
| */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_UNKNOWN = 0x01 << 31; | |
| /** This represents an audio location front left. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_FRONT_LEFT = 0x01 << 0; | |
| /** This represents an audio location front right. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_FRONT_RIGHT = 0x01 << 1; | |
| /** This represents an audio location front center. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_FRONT_CENTER = 0x01 << 2; | |
| /** This represents an audio location low frequency effects 1. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_LOW_FREQ_EFFECTS_ONE = 0x01 << 3; | |
| /** This represents an audio location back left. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_BACK_LEFT = 0x01 << 4; | |
| /** This represents an audio location back right. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_BACK_RIGHT = 0x01 << 5; | |
| /** This represents an audio location front left of center. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_FRONT_LEFT_OF_CENTER = 0x01 << 6; | |
| /** This represents an audio location front right of center. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_FRONT_RIGHT_OF_CENTER = 0x01 << 7; | |
| /** This represents an audio location back center. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_BACK_CENTER = 0x01 << 8; | |
| /** This represents an audio location low frequency effects 2. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_LOW_FREQ_EFFECTS_TWO = 0x01 << 9; | |
| /** This represents an audio location side left. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_SIDE_LEFT = 0x01 << 10; | |
| /** This represents an audio location side right. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_SIDE_RIGHT = 0x01 << 11; | |
| /** This represents an audio location top front left. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_FRONT_LEFT = 0x01 << 12; | |
| /** This represents an audio location top front right. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_FRONT_RIGHT = 0x01 << 13; | |
| /** This represents an audio location top front center. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_FRONT_CENTER = 0x01 << 14; | |
| /** This represents an audio location top center. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_CENTER = 0x01 << 15; | |
| /** This represents an audio location top back left. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_BACK_LEFT = 0x01 << 16; | |
| /** This represents an audio location top back right. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_BACK_RIGHT = 0x01 << 17; | |
| /** This represents an audio location top side left. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_SIDE_LEFT = 0x01 << 18; | |
| /** This represents an audio location top side right. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_SIDE_RIGHT = 0x01 << 19; | |
| /** This represents an audio location top back center. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_TOP_BACK_CENTER = 0x01 << 20; | |
| /** This represents an audio location bottom front center. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_BOTTOM_FRONT_CENTER = 0x01 << 21; | |
| /** This represents an audio location bottom front left. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_BOTTOM_FRONT_LEFT = 0x01 << 22; | |
| /** This represents an audio location bottom front right. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_BOTTOM_FRONT_RIGHT = 0x01 << 23; | |
| /** This represents an audio location front left wide. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_FRONT_LEFT_WIDE = 0x01 << 24; | |
| /** This represents an audio location front right wide. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_FRONT_RIGHT_WIDE = 0x01 << 25; | |
| /** This represents an audio location left surround. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_LEFT_SURROUND = 0x01 << 26; | |
| /** This represents an audio location right surround. */ | |
| @Hide @SystemApi public static final int AUDIO_LOCATION_RIGHT_SURROUND = 0x01 << 27; | |
| @Hide | |
| @SuppressLint("UniqueConstants") | |
| @IntDef( | |
| flag = true, | |
| prefix = "AUDIO_LOCATION_", | |
| value = { | |
| AUDIO_LOCATION_INVALID, | |
| AUDIO_LOCATION_MONO, | |
| AUDIO_LOCATION_FRONT_LEFT, | |
| AUDIO_LOCATION_FRONT_RIGHT, | |
| AUDIO_LOCATION_FRONT_CENTER, | |
| AUDIO_LOCATION_LOW_FREQ_EFFECTS_ONE, | |
| AUDIO_LOCATION_BACK_LEFT, | |
| AUDIO_LOCATION_BACK_RIGHT, | |
| AUDIO_LOCATION_FRONT_LEFT_OF_CENTER, | |
| AUDIO_LOCATION_FRONT_RIGHT_OF_CENTER, | |
| AUDIO_LOCATION_BACK_CENTER, | |
| AUDIO_LOCATION_LOW_FREQ_EFFECTS_TWO, | |
| AUDIO_LOCATION_SIDE_LEFT, | |
| AUDIO_LOCATION_SIDE_RIGHT, | |
| AUDIO_LOCATION_TOP_FRONT_LEFT, | |
| AUDIO_LOCATION_TOP_FRONT_RIGHT, | |
| AUDIO_LOCATION_TOP_FRONT_CENTER, | |
| AUDIO_LOCATION_TOP_CENTER, | |
| AUDIO_LOCATION_TOP_BACK_LEFT, | |
| AUDIO_LOCATION_TOP_BACK_RIGHT, | |
| AUDIO_LOCATION_TOP_SIDE_LEFT, | |
| AUDIO_LOCATION_TOP_SIDE_RIGHT, | |
| AUDIO_LOCATION_TOP_BACK_CENTER, | |
| AUDIO_LOCATION_BOTTOM_FRONT_CENTER, | |
| AUDIO_LOCATION_BOTTOM_FRONT_LEFT, | |
| AUDIO_LOCATION_BOTTOM_FRONT_RIGHT, | |
| AUDIO_LOCATION_FRONT_LEFT_WIDE, | |
| AUDIO_LOCATION_FRONT_RIGHT_WIDE, | |
| AUDIO_LOCATION_LEFT_SURROUND, | |
| AUDIO_LOCATION_RIGHT_SURROUND, | |
| AUDIO_LOCATION_UNKNOWN, | |
| }) | |
| @Retention(RetentionPolicy.SOURCE) | |
| public @interface AudioLocation {} | |
| /** Contains group id. */ | |
| @Hide @SystemApi | |
| public static final String EXTRA_LE_AUDIO_GROUP_ID = | |
| "android.bluetooth.extra.LE_AUDIO_GROUP_ID"; | |
| /** Contains bit mask for direction, bit 0 set when Sink, bit 1 set when Source. */ | |
| @Hide | |
| public static final String EXTRA_LE_AUDIO_DIRECTION = | |
| "android.bluetooth.extra.LE_AUDIO_DIRECTION"; | |
| /** Contains source location as per Bluetooth Assigned Numbers */ | |
| @Hide | |
| public static final String EXTRA_LE_AUDIO_SOURCE_LOCATION = | |
| "android.bluetooth.extra.LE_AUDIO_SOURCE_LOCATION"; | |
| /** Contains sink location as per Bluetooth Assigned Numbers */ | |
| @Hide | |
| public static final String EXTRA_LE_AUDIO_SINK_LOCATION = | |
| "android.bluetooth.extra.LE_AUDIO_SINK_LOCATION"; | |
| /** Contains available context types for group as per Bluetooth Assigned Numbers */ | |
| @Hide | |
| public static final String EXTRA_LE_AUDIO_AVAILABLE_CONTEXTS = | |
| "android.bluetooth.extra.LE_AUDIO_AVAILABLE_CONTEXTS"; | |
| private final Context mContext; | |
| private final BluetoothAdapter mAdapter; | |
| private final AttributionSource mAttributionSource; | |
| /** Indicating that group is Active ( Audio device is available ) */ | |
| @Hide public static final int GROUP_STATUS_ACTIVE = IBluetoothLeAudio.GROUP_STATUS_ACTIVE; | |
| /** Indicating that group is Inactive ( Audio device is not available ) */ | |
| @Hide public static final int GROUP_STATUS_INACTIVE = IBluetoothLeAudio.GROUP_STATUS_INACTIVE; | |
| /** Indicating that group stream is in IDLE (not streaming) */ | |
| @Hide @SystemApi | |
| public static final int GROUP_STREAM_STATUS_IDLE = IBluetoothLeAudio.GROUP_STREAM_STATUS_IDLE; | |
| /** Indicating that group is STREAMING */ | |
| @Hide @SystemApi | |
| public static final int GROUP_STREAM_STATUS_STREAMING = | |
| IBluetoothLeAudio.GROUP_STREAM_STATUS_STREAMING; | |
| private IBluetoothLeAudio mService; | |
| /** | |
| * Create a BluetoothLeAudio proxy object for interacting with the local Bluetooth LeAudio | |
| * service. | |
| */ | |
| BluetoothLeAudio(Context context, BluetoothAdapter adapter) { | |
| mContext = requireNonNull(context); | |
| mAdapter = adapter; | |
| mAttributionSource = adapter.getAttributionSource(); | |
| mService = null; | |
| Consumer<IBluetoothLeAudio> registerConsumer = | |
| (IBluetoothLeAudio service) -> { | |
| try { | |
| service.registerCallback(mCallback, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| }; | |
| Consumer<IBluetoothLeAudio> unregisterConsumer = | |
| (IBluetoothLeAudio service) -> { | |
| try { | |
| service.unregisterCallback(mCallback, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| }; | |
| mCallbackWrapper = new CallbackWrapper(registerConsumer, unregisterConsumer); | |
| mCloseGuard = new CloseGuard(); | |
| mCloseGuard.open("close"); | |
| } | |
| @Hide | |
| @Override | |
| public void close() { | |
| mAdapter.closeProfileProxy(this); | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public void onServiceConnected(IBinder service) { | |
| mService = IBluetoothLeAudio.Stub.asInterface(service); | |
| mCallbackWrapper.registerToNewService(mService); | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public void onServiceDisconnected() { | |
| mService = null; | |
| } | |
| private IBluetoothLeAudio getService() { | |
| return mService; | |
| } | |
| @Hide | |
| @Override | |
| @RequiresNoPermission | |
| public BluetoothAdapter getAdapter() { | |
| return mAdapter; | |
| } | |
| @Override | |
| @SuppressWarnings("Finalize") // TODO(b/314811467) | |
| protected void finalize() { | |
| if (mCloseGuard != null) { | |
| mCloseGuard.warnIfOpen(); | |
| } | |
| close(); | |
| } | |
| /** | |
| * Initiate connection to a profile of the remote bluetooth device. | |
| * | |
| * <p>This API returns false in scenarios like the profile on the device is already connected or | |
| * Bluetooth is not turned on. When this API returns true, it is guaranteed that connection | |
| * state intent for the profile will be broadcasted with the state. Users can get the connection | |
| * state of the profile from this intent. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean connect(@Nullable BluetoothDevice device) { | |
| if (DBG) log("connect(" + device + ")"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.connect(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Initiate disconnection from a profile | |
| * | |
| * <p>This API will return false in scenarios like the profile on the Bluetooth device is not in | |
| * connected state etc. When this API returns, true, it is guaranteed that the connection state | |
| * change intent will be broadcasted with the state. Users can get the disconnection state of | |
| * the profile from this intent. | |
| * | |
| * <p>If the disconnection is initiated by a remote device, the state will transition from | |
| * {@link #STATE_CONNECTED} to {@link #STATE_DISCONNECTED}. If the disconnect is initiated by | |
| * the host (local) device the state will transition from {@link #STATE_CONNECTED} to state | |
| * {@link #STATE_DISCONNECTING} to state {@link #STATE_DISCONNECTED}. The transition to {@link | |
| * #STATE_DISCONNECTING} can be used to distinguish between the two scenarios. | |
| * | |
| * @param device Remote Bluetooth Device | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean disconnect(@Nullable BluetoothDevice device) { | |
| if (DBG) log("disconnect(" + device + ")"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.disconnect(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Get Lead device for the group. | |
| * | |
| * <p>Lead device is the device that can be used as an active device in the system. Active | |
| * devices points to the Audio Device for the Le Audio group. This method returns the Lead | |
| * devices for the connected LE Audio group and this device should be used in the | |
| * setActiveDevice() method by other parts of the system, which wants to set to active a | |
| * particular Le Audio group. | |
| * | |
| * <p>Note: getActiveDevice() returns the Lead device for the currently active LE Audio group. | |
| * Note: When Lead device gets disconnected while Le Audio group is active and has more devices | |
| * in the group, then Lead device will not change. If Lead device gets disconnected, for the Le | |
| * Audio group which is not active, a new Lead device will be chosen | |
| * | |
| * @param groupId The group id. | |
| * @return group lead device. | |
| */ | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public @Nullable BluetoothDevice getConnectedGroupLeadDevice(int groupId) { | |
| if (VDBG) log("getConnectedGroupLeadDevice()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getConnectedGroupLeadDevice(groupId, mAttributionSource), | |
| mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return null; | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public @NonNull List<BluetoothDevice> getConnectedDevices() { | |
| if (VDBG) log("getConnectedDevices()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getConnectedDevices(mAttributionSource), mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| @NonNull | |
| public List<BluetoothDevice> getDevicesMatchingConnectionStates(@NonNull int[] states) { | |
| if (VDBG) log("getDevicesMatchingStates()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getDevicesMatchingConnectionStates(states, mAttributionSource), | |
| mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** {@inheritDoc} */ | |
| @Override | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public @BtProfileState int getConnectionState(@NonNull BluetoothDevice device) { | |
| if (VDBG) log("getState(" + device + ")"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getConnectionState(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return STATE_DISCONNECTED; | |
| } | |
| /** | |
| * Register a {@link Callback} that will be invoked during the operation of this profile. | |
| * | |
| * <p>Repeated registration of the same <var>callback</var> object will have no effect after the | |
| * first call to this method, even when the <var>executor</var> is different. API caller must | |
| * call {@link #unregisterCallback(Callback)} with the same callback object before registering | |
| * it again. | |
| * | |
| * <p>The {@link Callback} will be invoked only if there is codec status changed for the remote | |
| * device or the device is connected/disconnected in a certain group or the group status is | |
| * changed. | |
| * | |
| * @param executor an {@link Executor} to execute given callback | |
| * @param callback user implementation of the {@link Callback} | |
| * @throws NullPointerException if a null executor or callback is given | |
| * @throws IllegalArgumentException the callback is already registered | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public void registerCallback( | |
| @NonNull @CallbackExecutor Executor executor, @NonNull Callback callback) { | |
| enforcePermissionInFramework(mContext, BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED); | |
| mCallbackWrapper.registerCallback(getService(), callback, executor); | |
| } | |
| /** | |
| * Unregister the specified {@link Callback}. | |
| * | |
| * <p>The same {@link Callback} object used when calling {@link #registerCallback(Executor, | |
| * Callback)} must be used. | |
| * | |
| * <p>Callbacks are automatically unregistered when the application process goes away | |
| * | |
| * @param callback user implementation of the {@link Callback} | |
| * @throws NullPointerException when callback is null | |
| * @throws IllegalArgumentException when no callback is registered | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public void unregisterCallback(@NonNull Callback callback) { | |
| enforcePermissionInFramework(mContext, BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED); | |
| mCallbackWrapper.unregisterCallback(getService(), callback); | |
| } | |
| /** | |
| * Select a connected device as active. | |
| * | |
| * <p>The active device selection is per profile. An active device's purpose is | |
| * profile-specific. For example, LeAudio audio streaming is to the active LeAudio device. If a | |
| * remote device is not connected, it cannot be selected as active. | |
| * | |
| * <p>This API returns false in scenarios like the profile on the device is not connected or | |
| * Bluetooth is not turned on. When this API returns true, it is guaranteed that the {@link | |
| * #ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED} intent will be broadcasted with the active device. | |
| * | |
| * @param device the remote Bluetooth device. Could be null to clear the active device and stop | |
| * streaming audio to a Bluetooth device. | |
| * @return false on immediate error, true otherwise | |
| */ | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public boolean setActiveDevice(@Nullable BluetoothDevice device) { | |
| if (DBG) log("setActiveDevice(" + device + ")"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled() && ((device == null) || isValidDevice(device))) { | |
| try { | |
| return service.setActiveDevice(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Get the connected LeAudio devices that are active | |
| * | |
| * @return the list of active devices. Returns empty list on error. | |
| */ | |
| @Hide | |
| @NonNull | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public List<BluetoothDevice> getActiveDevices() { | |
| if (VDBG) log("getActiveDevice()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return Attributable.setAttributionSource( | |
| service.getActiveDevices(mAttributionSource), mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return Collections.emptyList(); | |
| } | |
| /** | |
| * Get device group id. Devices with same group id belong to same group (i.e left and right | |
| * earbud) | |
| * | |
| * @param device LE Audio capable device | |
| * @return group id that this device currently belongs to, {@link #GROUP_ID_INVALID} when this | |
| * device does not belong to any group | |
| */ | |
| @RequiresLegacyBluetoothPermission | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(BLUETOOTH_CONNECT) | |
| public int getGroupId(@NonNull BluetoothDevice device) { | |
| if (VDBG) log("getGroupId()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return service.getGroupId(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return GROUP_ID_INVALID; | |
| } | |
| /** | |
| * Set volume for the streaming devices | |
| * | |
| * @param volume volume to set | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public void setVolume(@IntRange(from = 0, to = 255) int volume) { | |
| if (VDBG) log("setVolume(vol: " + volume + " )"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| service.setVolume(volume, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| } | |
| /** | |
| * Add device to the given group. | |
| * | |
| * @param groupId group ID the device is being added to | |
| * @param device the active device | |
| * @return true on success, otherwise false | |
| */ | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public boolean groupAddNode(int groupId, @NonNull BluetoothDevice device) { | |
| if (VDBG) log("groupAddNode()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return service.groupAddNode(groupId, device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Remove device from a given group. | |
| * | |
| * @param groupId group ID the device is being removed from | |
| * @param device the active device | |
| * @return true on success, otherwise false | |
| */ | |
| @Hide | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public boolean groupRemoveNode(int groupId, @NonNull BluetoothDevice device) { | |
| if (VDBG) log("groupRemoveNode()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return service.groupRemoveNode(groupId, device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Get the audio location for the device. The return value is a bit field. The bit definition is | |
| * included in Bluetooth SIG Assigned Numbers - Generic Audio - Audio Location Definitions. ex. | |
| * Front Left: 0x00000001 Front Right: 0x00000002 Front Left | Front Right: 0x00000003 | |
| * | |
| * @param device the bluetooth device | |
| * @return The bit field of audio location for the device. | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| @SuppressWarnings("FlaggedApi") // Due to deprecated AUDIO_LOCATION_INVALID | |
| public @AudioLocation int getAudioLocation(@NonNull BluetoothDevice device) { | |
| if (VDBG) log("getAudioLocation()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getAudioLocation(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| if (CompatChanges.isChangeEnabled(LEAUDIO_MONO_LOCATION_ERRATA)) { | |
| return AUDIO_LOCATION_UNKNOWN; | |
| } | |
| return AUDIO_LOCATION_INVALID; | |
| } | |
| /** | |
| * Check if inband ringtone is enabled by the LE Audio group. Group id for the device can be | |
| * found with {@link BluetoothLeAudio#getGroupId}. | |
| * | |
| * @param groupId LE Audio group id | |
| * @return {@code true} if inband ringtone is enabled, {@code false} otherwise | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public boolean isInbandRingtoneEnabled(int groupId) { | |
| if (VDBG) { | |
| log("isInbandRingtoneEnabled(), groupId: " + groupId); | |
| } | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) { | |
| log(Log.getStackTraceString(new Throwable())); | |
| } | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return service.isInbandRingtoneEnabled(mAttributionSource, groupId); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Set connection policy of the profile | |
| * | |
| * <p>The device should already be paired. Connection policy can be one of {@link | |
| * #CONNECTION_POLICY_ALLOWED}, {@link #CONNECTION_POLICY_FORBIDDEN}, {@link | |
| * #CONNECTION_POLICY_UNKNOWN} | |
| * | |
| * @param device Paired bluetooth device | |
| * @param connectionPolicy is the connection policy to set to for this profile | |
| * @return true if connectionPolicy is set, false on error | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public boolean setConnectionPolicy( | |
| @NonNull BluetoothDevice device, @ConnectionPolicy int connectionPolicy) { | |
| if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled() | |
| && isValidDevice(device) | |
| && BluetoothProfile.isValidConnectionPolicy(connectionPolicy)) { | |
| try { | |
| return service.setConnectionPolicy(device, connectionPolicy, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return false; | |
| } | |
| /** | |
| * Get the connection policy of the profile. | |
| * | |
| * <p>The connection policy can be any of: {@link #CONNECTION_POLICY_ALLOWED}, {@link | |
| * #CONNECTION_POLICY_FORBIDDEN}, {@link #CONNECTION_POLICY_UNKNOWN} | |
| * | |
| * @param device Bluetooth device | |
| * @return connection policy of the device | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public @ConnectionPolicy int getConnectionPolicy(@Nullable BluetoothDevice device) { | |
| if (VDBG) log("getConnectionPolicy(" + device + ")"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled() && isValidDevice(device)) { | |
| try { | |
| return service.getConnectionPolicy(device, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return CONNECTION_POLICY_FORBIDDEN; | |
| } | |
| private static boolean isValidDevice(@Nullable BluetoothDevice device) { | |
| if (device == null) return false; | |
| if (BluetoothAdapter.checkBluetoothAddress(device.getAddress())) return true; | |
| return false; | |
| } | |
| private static void log(String msg) { | |
| Log.d(TAG, msg); | |
| } | |
| /** | |
| * Gets the current codec status (configuration and capability). | |
| * | |
| * @param groupId The group id | |
| * @return the current codec status | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public @Nullable BluetoothLeAudioCodecStatus getCodecStatus(int groupId) { | |
| if (DBG) { | |
| Log.d(TAG, "getCodecStatus(" + groupId + ")"); | |
| } | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return service.getCodecStatus(groupId, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return null; | |
| } | |
| /** | |
| * Sets the codec configuration preference. | |
| * | |
| * @param groupId the groupId | |
| * @param inputCodecConfig the input codec configuration preference | |
| * @param outputCodecConfig the output codec configuration preference | |
| * @throws IllegalStateException if LE Audio Service is null | |
| * @throws NullPointerException if any of the configs is null | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public void setCodecConfigPreference( | |
| int groupId, | |
| @NonNull BluetoothLeAudioCodecConfig inputCodecConfig, | |
| @NonNull BluetoothLeAudioCodecConfig outputCodecConfig) { | |
| if (DBG) Log.d(TAG, "setCodecConfigPreference(" + groupId + ")"); | |
| requireNonNull(inputCodecConfig); | |
| requireNonNull(outputCodecConfig); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| throw new IllegalStateException("Service is unavailable"); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| service.setCodecConfigPreference( | |
| groupId, inputCodecConfig, outputCodecConfig, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| } | |
| /** | |
| * Sets broadcast to unicast fallback group. | |
| * | |
| * <p>In broadcast handover situations where unicast is unavailable, this group acts as the | |
| * fallback. | |
| * | |
| * <p>A handover can occur when ongoing broadcast is interrupted with unicast streaming request. | |
| * | |
| * <p>On fallback group changed, {@link Callback#onBroadcastToUnicastFallbackGroupChanged} will | |
| * be invoked. | |
| * | |
| * @param groupId the ID of the group to switch to if unicast fails during a broadcast handover, | |
| * {@link #GROUP_ID_INVALID} when there should be no such fallback group. | |
| * @see BluetoothLeAudio#getGroupId() | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public void setBroadcastToUnicastFallbackGroup(int groupId) { | |
| if (DBG) Log.d(TAG, "setBroadcastToUnicastFallbackGroup(" + groupId + ")"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| service.setBroadcastToUnicastFallbackGroup(groupId, mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| } | |
| /** | |
| * Gets broadcast to unicast fallback group. | |
| * | |
| * <p>In broadcast handover situations where unicast is unavailable, this group acts as the | |
| * fallback. | |
| * | |
| * <p>A broadcast handover can occur when a {@link BluetoothLeBroadcast#startBroadcast} call is | |
| * successful and there's an active unicast group. | |
| * | |
| * @return groupId the ID of the fallback group, {@link #GROUP_ID_INVALID} when adapter is | |
| * disabled | |
| */ | |
| @Hide | |
| @SystemApi | |
| @RequiresBluetoothConnectPermission | |
| @RequiresPermission(allOf = {BLUETOOTH_CONNECT, BLUETOOTH_PRIVILEGED}) | |
| public int getBroadcastToUnicastFallbackGroup() { | |
| if (DBG) Log.d(TAG, "getBroadcastToUnicastFallbackGroup()"); | |
| final IBluetoothLeAudio service = getService(); | |
| if (service == null) { | |
| Log.w(TAG, "Proxy not attached to service"); | |
| if (DBG) log(Log.getStackTraceString(new Throwable())); | |
| } else if (mAdapter.isEnabled()) { | |
| try { | |
| return service.getBroadcastToUnicastFallbackGroup(mAttributionSource); | |
| } catch (RemoteException e) { | |
| Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable())); | |
| } | |
| } | |
| return GROUP_ID_INVALID; | |
| } | |
| } |