1456 lines
54 KiB
Java
1456 lines
54 KiB
Java
/*
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* Copyright 2020 HIMSA II K/S - www.himsa.com.
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* Represented by EHIMA - www.ehima.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.bluetooth;
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import static android.bluetooth.BluetoothUtils.getSyncTimeout;
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import android.annotation.CallbackExecutor;
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import android.annotation.IntDef;
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import android.annotation.IntRange;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.RequiresPermission;
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import android.annotation.SdkConstant;
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import android.annotation.SdkConstant.SdkConstantType;
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import android.annotation.SuppressLint;
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import android.annotation.SystemApi;
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import android.bluetooth.annotations.RequiresBluetoothConnectPermission;
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import android.bluetooth.annotations.RequiresLegacyBluetoothPermission;
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import android.content.AttributionSource;
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import android.content.Context;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.util.CloseGuard;
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import android.util.Log;
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import com.android.modules.utils.SynchronousResultReceiver;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.concurrent.Executor;
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import java.util.concurrent.TimeoutException;
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/**
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* This class provides the public APIs to control the LeAudio profile.
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*
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* <p>BluetoothLeAudio is a proxy object for controlling the Bluetooth LE Audio
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* Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get
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* the BluetoothLeAudio proxy object.
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*
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* <p> Android only supports one set of connected Bluetooth LeAudio device at a time. Each
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* method is protected with its appropriate permission.
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*/
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public final class BluetoothLeAudio implements BluetoothProfile, AutoCloseable {
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private static final String TAG = "BluetoothLeAudio";
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private static final boolean DBG = false;
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private static final boolean VDBG = false;
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private final Map<Callback, Executor> mCallbackExecutorMap = new HashMap<>();
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private CloseGuard mCloseGuard;
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/**
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* This class provides a callback that is invoked when audio codec config changes on
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* the remote device.
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*
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* @hide
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*/
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@SystemApi
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public interface Callback {
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/** @hide */
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@Retention(RetentionPolicy.SOURCE)
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@IntDef(value = {
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GROUP_STATUS_ACTIVE,
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GROUP_STATUS_INACTIVE,
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})
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@interface GroupStatus {}
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/**
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* Callback invoked when callback is registered and when codec config
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* changes on the remote device.
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*
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* @param groupId the group id
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* @param status latest codec status for this group
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* @hide
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*/
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@SystemApi
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void onCodecConfigChanged(int groupId,
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@NonNull BluetoothLeAudioCodecStatus status);
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/**
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* Callback invoked when a device has been added to the group.
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* It usually happens after connection or on bluetooth startup if
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* the device is bonded.
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*
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* @param device the device which is added to the group
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* @param groupId the group id
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* @hide
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*/
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@SystemApi
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void onGroupNodeAdded(@NonNull BluetoothDevice device, int groupId);
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/**
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* Callback invoked when a device has been removed from the group.
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* It usually happens when device gets unbonded.
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*
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* @param device the device which is removed from the group
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* @param groupId the group id
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*
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* @hide
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*/
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@SystemApi
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void onGroupNodeRemoved(@NonNull BluetoothDevice device, int groupId);
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/**
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* Callback invoked the group's active state changes.
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*
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* @param groupId the group id
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* @param groupStatus active or inactive state.
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* @hide
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*/
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@SystemApi
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void onGroupStatusChanged(int groupId, @GroupStatus int groupStatus);
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}
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@SuppressLint("AndroidFrameworkBluetoothPermission")
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private final IBluetoothLeAudioCallback mCallback = new IBluetoothLeAudioCallback.Stub() {
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@Override
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public void onCodecConfigChanged(int groupId,
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@NonNull BluetoothLeAudioCodecStatus status) {
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for (Map.Entry<BluetoothLeAudio.Callback, Executor> callbackExecutorEntry:
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mCallbackExecutorMap.entrySet()) {
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BluetoothLeAudio.Callback callback = callbackExecutorEntry.getKey();
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Executor executor = callbackExecutorEntry.getValue();
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executor.execute(() -> callback.onCodecConfigChanged(groupId, status));
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}
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}
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@Override
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public void onGroupNodeAdded(@NonNull BluetoothDevice device, int groupId) {
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Attributable.setAttributionSource(device, mAttributionSource);
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for (Map.Entry<BluetoothLeAudio.Callback, Executor> callbackExecutorEntry:
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mCallbackExecutorMap.entrySet()) {
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BluetoothLeAudio.Callback callback = callbackExecutorEntry.getKey();
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Executor executor = callbackExecutorEntry.getValue();
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executor.execute(() -> callback.onGroupNodeAdded(device, groupId));
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}
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}
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@Override
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public void onGroupNodeRemoved(@NonNull BluetoothDevice device, int groupId) {
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Attributable.setAttributionSource(device, mAttributionSource);
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for (Map.Entry<BluetoothLeAudio.Callback, Executor> callbackExecutorEntry:
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mCallbackExecutorMap.entrySet()) {
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BluetoothLeAudio.Callback callback = callbackExecutorEntry.getKey();
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Executor executor = callbackExecutorEntry.getValue();
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executor.execute(() -> callback.onGroupNodeRemoved(device, groupId));
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}
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}
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@Override
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public void onGroupStatusChanged(int groupId, int groupStatus) {
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for (Map.Entry<BluetoothLeAudio.Callback, Executor> callbackExecutorEntry:
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mCallbackExecutorMap.entrySet()) {
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BluetoothLeAudio.Callback callback = callbackExecutorEntry.getKey();
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Executor executor = callbackExecutorEntry.getValue();
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executor.execute(() -> callback.onGroupStatusChanged(groupId, groupStatus));
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}
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}
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};
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/**
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* Intent used to broadcast the change in connection state of the LeAudio
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* profile. Please note that in the binaural case, there will be two different LE devices for
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* the left and right side and each device will have their own connection state changes.
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*
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* <p>This intent will have 3 extras:
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* <ul>
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* <li> {@link #EXTRA_STATE} - The current state of the profile. </li>
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* <li> {@link #EXTRA_PREVIOUS_STATE}- The previous state of the profile.</li>
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* <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. </li>
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* </ul>
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*
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* <p>{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of
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* {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING},
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* {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}.
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*/
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@RequiresLegacyBluetoothPermission
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@RequiresBluetoothConnectPermission
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@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
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@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
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public static final String ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED =
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"android.bluetooth.action.LE_AUDIO_CONNECTION_STATE_CHANGED";
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/**
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* Intent used to broadcast the selection of a connected device as active.
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*
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* <p>This intent will have one extra:
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* <ul>
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* <li> {@link BluetoothDevice#EXTRA_DEVICE} - The remote device. It can
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* be null if no device is active. </li>
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* </ul>
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*
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* @hide
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*/
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@SystemApi
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@RequiresLegacyBluetoothPermission
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@RequiresBluetoothConnectPermission
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@RequiresPermission(allOf = {
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android.Manifest.permission.BLUETOOTH_CONNECT,
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android.Manifest.permission.BLUETOOTH_PRIVILEGED,
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})
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@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
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public static final String ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED =
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"android.bluetooth.action.LE_AUDIO_ACTIVE_DEVICE_CHANGED";
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/**
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* Indicates unspecified audio content.
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* @hide
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*/
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public static final int CONTEXT_TYPE_UNSPECIFIED = 0x0001;
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/**
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* Indicates conversation between humans as, for example, in telephony or video calls.
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* @hide
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*/
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public static final int CONTEXT_TYPE_CONVERSATIONAL = 0x0002;
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/**
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* Indicates media as, for example, in music, public radio, podcast or video soundtrack.
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* @hide
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*/
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public static final int CONTEXT_TYPE_MEDIA = 0x0004;
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/**
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* Indicates audio associated with a video gaming.
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* @hide
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*/
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public static final int CONTEXT_TYPE_GAME = 0x0008;
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/**
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* Indicates instructional audio as, for example, in navigation, announcements or user
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* guidance.
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* @hide
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*/
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public static final int CONTEXT_TYPE_INSTRUCTIONAL = 0x0010;
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/**
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* Indicates man machine communication as, for example, with voice recognition or virtual
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* assistant.
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* @hide
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*/
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public static final int CONTEXT_TYPE_VOICE_ASSISTANTS = 0x0020;
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/**
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* Indicates audio associated with a live audio stream.
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*
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* @hide
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*/
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public static final int CONTEXT_TYPE_LIVE = 0x0040;
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/**
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* Indicates sound effects as, for example, in keyboard, touch feedback; menu and user
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* interface sounds, and other system sounds.
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* @hide
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*/
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public static final int CONTEXT_TYPE_SOUND_EFFECTS = 0x0080;
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/**
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* Indicates notification and reminder sounds, attention-seeking audio, for example, in beeps
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* signaling the arrival of a message.
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* @hide
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*/
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public static final int CONTEXT_TYPE_NOTIFICATIONS = 0x0100;
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/**
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* Indicates ringtone as in a call alert.
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* @hide
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*/
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public static final int CONTEXT_TYPE_RINGTONE = 0x0200;
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/**
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* Indicates alerts and timers, immediate alerts as, for example, in a low battery alarm,
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* timer expiry or alarm clock.
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* @hide
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*/
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public static final int CONTEXT_TYPE_ALERTS = 0x0400;
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/**
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* Indicates emergency alarm as, for example, with fire alarms or other urgent alerts.
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* @hide
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*/
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public static final int CONTEXT_TYPE_EMERGENCY_ALARM = 0x0800;
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/**
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* This represents an invalid group ID.
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*/
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public static final int GROUP_ID_INVALID = IBluetoothLeAudio.LE_AUDIO_GROUP_ID_INVALID;
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/**
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* This represents an invalid audio location.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_INVALID = 0;
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/**
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* This represents an audio location front left.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_FRONT_LEFT = 0x01 << 0;
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/**
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* This represents an audio location front right.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_FRONT_RIGHT = 0x01 << 1;
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/**
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* This represents an audio location front center.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_FRONT_CENTER = 0x01 << 2;
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/**
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* This represents an audio location low frequency effects 1.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_LOW_FREQ_EFFECTS_ONE = 0x01 << 3;
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/**
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* This represents an audio location back left.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_BACK_LEFT = 0x01 << 4;
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/**
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* This represents an audio location back right.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_BACK_RIGHT = 0x01 << 5;
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/**
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* This represents an audio location front left of center.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_FRONT_LEFT_OF_CENTER = 0x01 << 6;
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/**
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* This represents an audio location front right of center.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_FRONT_RIGHT_OF_CENTER = 0x01 << 7;
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/**
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* This represents an audio location back center.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_BACK_CENTER = 0x01 << 8;
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/**
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* This represents an audio location low frequency effects 2.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_LOW_FREQ_EFFECTS_TWO = 0x01 << 9;
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/**
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* This represents an audio location side left.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_SIDE_LEFT = 0x01 << 10;
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/**
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* This represents an audio location side right.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_SIDE_RIGHT = 0x01 << 11;
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/**
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* This represents an audio location top front left.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_FRONT_LEFT = 0x01 << 12;
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/**
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* This represents an audio location top front right.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_FRONT_RIGHT = 0x01 << 13;
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/**
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* This represents an audio location top front center.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_FRONT_CENTER = 0x01 << 14;
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/**
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* This represents an audio location top center.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_CENTER = 0x01 << 15;
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/**
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* This represents an audio location top back left.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_BACK_LEFT = 0x01 << 16;
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/**
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* This represents an audio location top back right.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_BACK_RIGHT = 0x01 << 17;
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/**
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* This represents an audio location top side left.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_SIDE_LEFT = 0x01 << 18;
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/**
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* This represents an audio location top side right.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_SIDE_RIGHT = 0x01 << 19;
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/**
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* This represents an audio location top back center.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_TOP_BACK_CENTER = 0x01 << 20;
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/**
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* This represents an audio location bottom front center.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_BOTTOM_FRONT_CENTER = 0x01 << 21;
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/**
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* This represents an audio location bottom front left.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_BOTTOM_FRONT_LEFT = 0x01 << 22;
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/**
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* This represents an audio location bottom front right.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_BOTTOM_FRONT_RIGHT = 0x01 << 23;
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/**
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* This represents an audio location front left wide.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_FRONT_LEFT_WIDE = 0x01 << 24;
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/**
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* This represents an audio location front right wide.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_FRONT_RIGHT_WIDE = 0x01 << 25;
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/**
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* This represents an audio location left surround.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_LEFT_SURROUND = 0x01 << 26;
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/**
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* This represents an audio location right surround.
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*
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* @hide
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*/
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@SystemApi
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public static final int AUDIO_LOCATION_RIGHT_SURROUND = 0x01 << 27;
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/** @hide */
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@IntDef(flag = true, prefix = "AUDIO_LOCATION_",
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value = {
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AUDIO_LOCATION_FRONT_LEFT,
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AUDIO_LOCATION_FRONT_RIGHT,
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AUDIO_LOCATION_FRONT_CENTER,
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AUDIO_LOCATION_LOW_FREQ_EFFECTS_ONE,
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AUDIO_LOCATION_BACK_LEFT,
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AUDIO_LOCATION_BACK_RIGHT,
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AUDIO_LOCATION_FRONT_LEFT_OF_CENTER,
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AUDIO_LOCATION_FRONT_RIGHT_OF_CENTER,
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AUDIO_LOCATION_BACK_CENTER,
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AUDIO_LOCATION_LOW_FREQ_EFFECTS_TWO,
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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,
|
|
})
|
|
@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 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;
|
|
|
|
private final BluetoothProfileConnector<IBluetoothLeAudio> mProfileConnector =
|
|
new BluetoothProfileConnector(this, BluetoothProfile.LE_AUDIO, "BluetoothLeAudio",
|
|
IBluetoothLeAudio.class.getName()) {
|
|
@Override
|
|
public IBluetoothLeAudio getServiceInterface(IBinder service) {
|
|
return IBluetoothLeAudio.Stub.asInterface(service);
|
|
}
|
|
};
|
|
|
|
|
|
@SuppressLint("AndroidFrameworkBluetoothPermission")
|
|
private final IBluetoothStateChangeCallback mBluetoothStateChangeCallback =
|
|
new IBluetoothStateChangeCallback.Stub() {
|
|
public void onBluetoothStateChange(boolean up) {
|
|
if (DBG) Log.d(TAG, "onBluetoothStateChange: up=" + up);
|
|
if (up) {
|
|
// re-register the service-to-app callback
|
|
synchronized (mCallbackExecutorMap) {
|
|
if (!mCallbackExecutorMap.isEmpty()) {
|
|
try {
|
|
final IBluetoothLeAudio service = getService();
|
|
if (service != null) {
|
|
final SynchronousResultReceiver<Integer> recv =
|
|
SynchronousResultReceiver.get();
|
|
service.registerCallback(mCallback,
|
|
mAttributionSource, recv);
|
|
recv.awaitResultNoInterrupt(getSyncTimeout())
|
|
.getValue(null);
|
|
}
|
|
} catch (TimeoutException e) {
|
|
Log.e(TAG, "Failed to register callback", e);
|
|
} catch (RemoteException e) {
|
|
throw e.rethrowFromSystemServer();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Create a BluetoothLeAudio proxy object for interacting with the local
|
|
* Bluetooth LeAudio service.
|
|
*/
|
|
/* package */ BluetoothLeAudio(Context context, ServiceListener listener,
|
|
BluetoothAdapter adapter) {
|
|
mAdapter = adapter;
|
|
mAttributionSource = adapter.getAttributionSource();
|
|
mProfileConnector.connect(context, listener);
|
|
|
|
IBluetoothManager mgr = mAdapter.getBluetoothManager();
|
|
if (mgr != null) {
|
|
try {
|
|
mgr.registerStateChangeCallback(mBluetoothStateChangeCallback);
|
|
} catch (RemoteException e) {
|
|
throw e.rethrowFromSystemServer();
|
|
}
|
|
}
|
|
|
|
mCloseGuard = new CloseGuard();
|
|
mCloseGuard.open("close");
|
|
}
|
|
|
|
/**
|
|
* @hide
|
|
*/
|
|
public void close() {
|
|
IBluetoothManager mgr = mAdapter.getBluetoothManager();
|
|
if (mgr != null) {
|
|
try {
|
|
mgr.unregisterStateChangeCallback(mBluetoothStateChangeCallback);
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, "", e);
|
|
}
|
|
}
|
|
|
|
mProfileConnector.disconnect();
|
|
}
|
|
|
|
private IBluetoothLeAudio getService() {
|
|
return mProfileConnector.getService();
|
|
}
|
|
|
|
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(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public boolean connect(@Nullable BluetoothDevice device) {
|
|
if (DBG) log("connect(" + device + ")");
|
|
final IBluetoothLeAudio service = getService();
|
|
final boolean defaultValue = false;
|
|
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 {
|
|
final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
|
|
service.connect(device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* 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(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public boolean disconnect(@Nullable BluetoothDevice device) {
|
|
if (DBG) log("disconnect(" + device + ")");
|
|
final IBluetoothLeAudio service = getService();
|
|
final boolean defaultValue = false;
|
|
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 {
|
|
final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
|
|
service.disconnect(device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* Get Lead device for the group.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public @Nullable BluetoothDevice getConnectedGroupLeadDevice(int groupId) {
|
|
if (VDBG) log("getConnectedGroupLeadDevice()");
|
|
final IBluetoothLeAudio service = getService();
|
|
final BluetoothDevice defaultValue = null;
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (mAdapter.isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver<BluetoothDevice> recv =
|
|
SynchronousResultReceiver.get();
|
|
service.getConnectedGroupLeadDevice(groupId, mAttributionSource, recv);
|
|
return Attributable.setAttributionSource(
|
|
recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
|
|
mAttributionSource);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
@Override
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public @NonNull List<BluetoothDevice> getConnectedDevices() {
|
|
if (VDBG) log("getConnectedDevices()");
|
|
final IBluetoothLeAudio service = getService();
|
|
final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (mAdapter.isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver<List<BluetoothDevice>> recv =
|
|
SynchronousResultReceiver.get();
|
|
service.getConnectedDevices(mAttributionSource, recv);
|
|
return Attributable.setAttributionSource(
|
|
recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
|
|
mAttributionSource);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
@Override
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public @NonNull List<BluetoothDevice> getDevicesMatchingConnectionStates(
|
|
@NonNull int[] states) {
|
|
if (VDBG) log("getDevicesMatchingStates()");
|
|
final IBluetoothLeAudio service = getService();
|
|
final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (mAdapter.isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver<List<BluetoothDevice>> recv =
|
|
SynchronousResultReceiver.get();
|
|
service.getDevicesMatchingConnectionStates(states, mAttributionSource, recv);
|
|
return Attributable.setAttributionSource(
|
|
recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
|
|
mAttributionSource);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
@Override
|
|
@RequiresLegacyBluetoothPermission
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public @BtProfileState int getConnectionState(@NonNull BluetoothDevice device) {
|
|
if (VDBG) log("getState(" + device + ")");
|
|
final IBluetoothLeAudio service = getService();
|
|
final int defaultValue = BluetoothProfile.STATE_DISCONNECTED;
|
|
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 {
|
|
final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get();
|
|
service.getConnectionState(device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* Register a {@link Callback} that will be invoked during the
|
|
* operation of this profile.
|
|
*
|
|
* 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
|
|
* would have to 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 = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
|
})
|
|
public void registerCallback(@NonNull @CallbackExecutor Executor executor,
|
|
@NonNull Callback callback) {
|
|
Objects.requireNonNull(executor, "executor cannot be null");
|
|
Objects.requireNonNull(callback, "callback cannot be null");
|
|
if (DBG) log("registerCallback");
|
|
|
|
synchronized (mCallbackExecutorMap) {
|
|
// If the callback map is empty, we register the service-to-app callback
|
|
if (mCallbackExecutorMap.isEmpty()) {
|
|
if (!mAdapter.isEnabled()) {
|
|
/* If Bluetooth is off, just store callback and it will be registered
|
|
* when Bluetooth is on
|
|
*/
|
|
mCallbackExecutorMap.put(callback, executor);
|
|
return;
|
|
}
|
|
try {
|
|
final IBluetoothLeAudio service = getService();
|
|
if (service != null) {
|
|
final SynchronousResultReceiver<Integer> recv =
|
|
SynchronousResultReceiver.get();
|
|
service.registerCallback(mCallback, mAttributionSource, recv);
|
|
recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null);
|
|
}
|
|
} catch (TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
} catch (RemoteException e) {
|
|
throw e.rethrowFromSystemServer();
|
|
}
|
|
}
|
|
|
|
// Adds the passed in callback to our map of callbacks to executors
|
|
if (mCallbackExecutorMap.containsKey(callback)) {
|
|
throw new IllegalArgumentException("This callback has already been registered");
|
|
}
|
|
mCallbackExecutorMap.put(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 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 = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
|
})
|
|
public void unregisterCallback(@NonNull Callback callback) {
|
|
Objects.requireNonNull(callback, "callback cannot be null");
|
|
if (DBG) log("unregisterCallback");
|
|
|
|
synchronized (mCallbackExecutorMap) {
|
|
if (mCallbackExecutorMap.remove(callback) == null) {
|
|
throw new IllegalArgumentException("This callback has not been registered");
|
|
}
|
|
}
|
|
|
|
// If the callback map is empty, we unregister the service-to-app callback
|
|
if (mCallbackExecutorMap.isEmpty()) {
|
|
try {
|
|
final IBluetoothLeAudio service = getService();
|
|
if (service != null) {
|
|
final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get();
|
|
service.unregisterCallback(mCallback, mAttributionSource, recv);
|
|
recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null);
|
|
}
|
|
} catch (TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
} catch (RemoteException e) {
|
|
throw e.rethrowFromSystemServer();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Select a connected device as active.
|
|
*
|
|
* 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(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public boolean setActiveDevice(@Nullable BluetoothDevice device) {
|
|
if (DBG) log("setActiveDevice(" + device + ")");
|
|
final IBluetoothLeAudio service = getService();
|
|
final boolean defaultValue = false;
|
|
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 {
|
|
final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
|
|
service.setActiveDevice(device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* Get the connected LeAudio devices that are active
|
|
*
|
|
* @return the list of active devices. Returns empty list on error.
|
|
* @hide
|
|
*/
|
|
@NonNull
|
|
@RequiresLegacyBluetoothPermission
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public List<BluetoothDevice> getActiveDevices() {
|
|
if (VDBG) log("getActiveDevice()");
|
|
final IBluetoothLeAudio service = getService();
|
|
final List<BluetoothDevice> defaultValue = new ArrayList<BluetoothDevice>();
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (mAdapter.isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver<List<BluetoothDevice>> recv =
|
|
SynchronousResultReceiver.get();
|
|
service.getActiveDevices(mAttributionSource, recv);
|
|
return Attributable.setAttributionSource(
|
|
recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue),
|
|
mAttributionSource);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* 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(android.Manifest.permission.BLUETOOTH_CONNECT)
|
|
public int getGroupId(@NonNull BluetoothDevice device) {
|
|
if (VDBG) log("getGroupId()");
|
|
final IBluetoothLeAudio service = getService();
|
|
final int defaultValue = GROUP_ID_INVALID;
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (mAdapter.isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get();
|
|
service.getGroupId(device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* Set volume for the streaming devices
|
|
*
|
|
* @param volume volume to set
|
|
* @hide
|
|
*/
|
|
@SystemApi
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(allOf = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.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 {
|
|
final SynchronousResultReceiver recv = SynchronousResultReceiver.get();
|
|
service.setVolume(volume, mAttributionSource, recv);
|
|
recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(null);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add device to the given group.
|
|
* @param group_id group ID the device is being added to
|
|
* @param device the active device
|
|
* @return true on success, otherwise false
|
|
* @hide
|
|
*/
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(allOf = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED
|
|
})
|
|
public boolean groupAddNode(int group_id, @NonNull BluetoothDevice device) {
|
|
if (VDBG) log("groupAddNode()");
|
|
final IBluetoothLeAudio service = getService();
|
|
final boolean defaultValue = false;
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (mAdapter.isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
|
|
service.groupAddNode(group_id, device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* Remove device from a given group.
|
|
* @param group_id group ID the device is being removed from
|
|
* @param device the active device
|
|
* @return true on success, otherwise false
|
|
*
|
|
* @hide
|
|
*/
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(allOf = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED
|
|
})
|
|
public boolean groupRemoveNode(int group_id, @NonNull BluetoothDevice device) {
|
|
if (VDBG) log("groupRemoveNode()");
|
|
final IBluetoothLeAudio service = getService();
|
|
final boolean defaultValue = false;
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (mAdapter.isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
|
|
service.groupRemoveNode(group_id, device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* 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, if bluetooth is off, return
|
|
* AUDIO_LOCATION_INVALID.
|
|
*
|
|
* @hide
|
|
*/
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(allOf = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED
|
|
})
|
|
@SystemApi
|
|
public @AudioLocation int getAudioLocation(@NonNull BluetoothDevice device) {
|
|
if (VDBG) log("getAudioLocation()");
|
|
final IBluetoothLeAudio service = getService();
|
|
final int defaultLocation = AUDIO_LOCATION_INVALID;
|
|
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 {
|
|
final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get();
|
|
service.getAudioLocation(device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultLocation);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultLocation;
|
|
}
|
|
|
|
/**
|
|
* 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 = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED,
|
|
})
|
|
public boolean setConnectionPolicy(@NonNull BluetoothDevice device,
|
|
@ConnectionPolicy int connectionPolicy) {
|
|
if (DBG) log("setConnectionPolicy(" + device + ", " + connectionPolicy + ")");
|
|
final IBluetoothLeAudio service = getService();
|
|
final boolean defaultValue = false;
|
|
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 == BluetoothProfile.CONNECTION_POLICY_FORBIDDEN
|
|
|| connectionPolicy == BluetoothProfile.CONNECTION_POLICY_ALLOWED)) {
|
|
try {
|
|
final SynchronousResultReceiver<Boolean> recv = SynchronousResultReceiver.get();
|
|
service.setConnectionPolicy(device, connectionPolicy, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* 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 = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED
|
|
})
|
|
public @ConnectionPolicy int getConnectionPolicy(@Nullable BluetoothDevice device) {
|
|
if (VDBG) log("getConnectionPolicy(" + device + ")");
|
|
final IBluetoothLeAudio service = getService();
|
|
final int defaultValue = BluetoothProfile.CONNECTION_POLICY_FORBIDDEN;
|
|
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 {
|
|
final SynchronousResultReceiver<Integer> recv = SynchronousResultReceiver.get();
|
|
service.getConnectionPolicy(device, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (RemoteException | TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
|
|
/**
|
|
* Helper for converting a state to a string.
|
|
*
|
|
* For debug use only - strings are not internationalized.
|
|
*
|
|
* @hide
|
|
*/
|
|
public static String stateToString(int state) {
|
|
switch (state) {
|
|
case STATE_DISCONNECTED:
|
|
return "disconnected";
|
|
case STATE_CONNECTING:
|
|
return "connecting";
|
|
case STATE_CONNECTED:
|
|
return "connected";
|
|
case STATE_DISCONNECTING:
|
|
return "disconnecting";
|
|
default:
|
|
return "<unknown state " + state + ">";
|
|
}
|
|
}
|
|
|
|
private 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
|
|
@Nullable
|
|
@RequiresBluetoothConnectPermission
|
|
@RequiresPermission(allOf = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED
|
|
})
|
|
public BluetoothLeAudioCodecStatus getCodecStatus(int groupId) {
|
|
if (DBG) {
|
|
Log.d(TAG, "getCodecStatus(" + groupId + ")");
|
|
}
|
|
|
|
final IBluetoothLeAudio service = getService();
|
|
final BluetoothLeAudioCodecStatus defaultValue = null;
|
|
|
|
if (service == null) {
|
|
Log.w(TAG, "Proxy not attached to service");
|
|
if (DBG) log(Log.getStackTraceString(new Throwable()));
|
|
} else if (mAdapter.isEnabled()) {
|
|
try {
|
|
final SynchronousResultReceiver<BluetoothLeAudioCodecStatus> recv =
|
|
SynchronousResultReceiver.get();
|
|
service.getCodecStatus(groupId, mAttributionSource, recv);
|
|
return recv.awaitResultNoInterrupt(getSyncTimeout()).getValue(defaultValue);
|
|
} catch (TimeoutException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
} catch (RemoteException e) {
|
|
Log.e(TAG, e.toString() + "\n" + Log.getStackTraceString(new Throwable()));
|
|
e.rethrowFromSystemServer();
|
|
}
|
|
}
|
|
return defaultValue;
|
|
}
|
|
|
|
/**
|
|
* 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 = {
|
|
android.Manifest.permission.BLUETOOTH_CONNECT,
|
|
android.Manifest.permission.BLUETOOTH_PRIVILEGED
|
|
})
|
|
public void setCodecConfigPreference(int groupId,
|
|
@NonNull BluetoothLeAudioCodecConfig inputCodecConfig,
|
|
@NonNull BluetoothLeAudioCodecConfig outputCodecConfig) {
|
|
if (DBG) Log.d(TAG, "setCodecConfigPreference(" + groupId + ")");
|
|
|
|
Objects.requireNonNull(inputCodecConfig, " inputCodecConfig shall not be null");
|
|
Objects.requireNonNull(outputCodecConfig, " outputCodecConfig shall not be null");
|
|
|
|
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()));
|
|
e.rethrowFromSystemServer();
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|