| /* |
| * 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_ALLOWED; |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| import static android.bluetooth.BluetoothProfile.STATE_DISCONNECTED; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import android.annotation.CallbackExecutor; |
| import android.annotation.FlaggedApi; |
| 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.Process; |
| import android.os.RemoteException; |
| import android.util.CloseGuard; |
| import android.util.Log; |
| |
| import com.android.bluetooth.flags.Flags; |
| |
| 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 |
| */ |
| @FlaggedApi(Flags.FLAG_LEAUDIO_BROADCAST_API_MANAGE_PRIMARY_GROUP) |
| @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) { |
| if (Flags.leaudioBroadcastApiManagePrimaryGroup()) { |
| 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 |
| */ |
| @FlaggedApi(Flags.FLAG_LEAUDIO_MONO_LOCATION_ERRATA_API) |
| @Deprecated |
| @SystemApi |
| public static final int AUDIO_LOCATION_INVALID = 0; |
| |
| /** |
| * This represents an Mono audio location. |
| * |
| * @hide |
| */ |
| @FlaggedApi(Flags.FLAG_LEAUDIO_MONO_LOCATION_ERRATA_API) |
| @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 |
| */ |
| @FlaggedApi(Flags.FLAG_LEAUDIO_MONO_LOCATION_ERRATA_API) |
| @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. |
| */ |
| @SuppressLint("AndroidFrameworkRequiresPermission") // Consumer wrongly report permission |
| /* package */ 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 |
| @SuppressLint("AndroidFrameworkRequiresPermission") // Unexposed re-entrant callback |
| @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) { |
| // Enforcing permission in the framework is useless from security point of view. |
| // This is being done to help normal app developer to catch the missing permission, since |
| // the call to the service is oneway and the SecurityException will just be logged |
| final int pid = Process.myPid(); |
| final int uid = Process.myUid(); |
| mContext.enforcePermission(BLUETOOTH_CONNECT, pid, uid, null); |
| mContext.enforcePermission(BLUETOOTH_PRIVILEGED, pid, uid, null); |
| |
| 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) { |
| // Enforcing permission in the framework is useless from security point of view. |
| // This is being done to help normal app developer to catch the missing permission, since |
| // the call to the service is oneway and the SecurityException will just be logged |
| final int pid = Process.myPid(); |
| final int uid = Process.myUid(); |
| mContext.enforcePermission(BLUETOOTH_CONNECT, pid, uid, null); |
| mContext.enforcePermission(BLUETOOTH_PRIVILEGED, pid, uid, null); |
| |
| 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 (Flags.leaudioMonoLocationErrataApi() |
| && 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) |
| && (connectionPolicy == CONNECTION_POLICY_FORBIDDEN |
| || connectionPolicy == CONNECTION_POLICY_ALLOWED)) { |
| 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 |
| */ |
| @FlaggedApi(Flags.FLAG_LEAUDIO_BROADCAST_API_MANAGE_PRIMARY_GROUP) |
| @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 |
| */ |
| @FlaggedApi(Flags.FLAG_LEAUDIO_BROADCAST_API_MANAGE_PRIMARY_GROUP) |
| @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; |
| } |
| } |
