Merge "Add Bluetooth LE Audio Profile (2/3)" am: 31de8e6d

        "android/bluetooth/IBluetoothHeadsetPhone.aidl",

        "android/bluetooth/IBluetoothHearingAid.aidl",

        "android/bluetooth/IBluetoothHidHost.aidl",

        "android/bluetooth/IBluetoothLeAudio.aidl",

        "android/bluetooth/IBluetoothPan.aidl",

        "android/bluetooth/IBluetoothManager.aidl",

        "android/bluetooth/IBluetoothManagerCallback.aidl",

/*

 * 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 android.bluetooth.BluetoothDevice;

/**

 * APIs for Bluetooth LE Audio service

 *

 * @hide

 */

interface IBluetoothLeAudio {

    // Public API

    boolean connect(in BluetoothDevice device);

    boolean disconnect(in BluetoothDevice device);

    List<BluetoothDevice> getConnectedDevices();

    List<BluetoothDevice> getDevicesMatchingConnectionStates(in int[] states);

    int getConnectionState(in BluetoothDevice device);

    boolean setActiveDevice(in BluetoothDevice device);

    List<BluetoothDevice> getActiveDevices();

    boolean setConnectionPolicy(in BluetoothDevice device, int connectionPolicy);

    int getConnectionPolicy(in BluetoothDevice device);

    const int LE_AUDIO_GROUP_ID_INVALID = -1;

    /**

     * Get device group id. Devices with same group id belong to same group (i.e left and right

     * earbud)

     */

    int getGroupId(in BluetoothDevice device);

}