1 /*
2  * Copyright 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.bluetooth;
18 
19 import android.bluetooth.BluetoothDevice;
20 
21 /**
22  * APIs for Bluetooth Hearing Aid service
23  *
24  * @hide
25  */
26 interface IBluetoothHearingAid {
27     // Public API
connect(in BluetoothDevice device)28     boolean connect(in BluetoothDevice device);
disconnect(in BluetoothDevice device)29     boolean disconnect(in BluetoothDevice device);
getConnectedDevices()30     List<BluetoothDevice> getConnectedDevices();
getDevicesMatchingConnectionStates(in int[] states)31     List<BluetoothDevice> getDevicesMatchingConnectionStates(in int[] states);
getConnectionState(in BluetoothDevice device)32     int getConnectionState(in BluetoothDevice device);
setActiveDevice(in BluetoothDevice device)33     boolean setActiveDevice(in BluetoothDevice device);
getActiveDevices()34     List<BluetoothDevice> getActiveDevices();
setPriority(in BluetoothDevice device, int priority)35     boolean setPriority(in BluetoothDevice device, int priority);
getPriority(in BluetoothDevice device)36     int getPriority(in BluetoothDevice device);
adjustVolume(int direction)37     void adjustVolume(int direction);
setVolume(int volume)38     void setVolume(int volume);
getVolume()39     int getVolume();
40 
41     const int HI_SYNC_ID_INVALID = 0;
getHiSyncId(in BluetoothDevice device)42     long getHiSyncId(in BluetoothDevice device);
43 
44     const int SIDE_LEFT = 0;
45     const int SIDE_RIGHT = 1;
getDeviceSide(in BluetoothDevice device)46     int getDeviceSide(in BluetoothDevice device);
47 
48     const int MODE_MONAURAL = 0;
49     const int MODE_BINAURAL = 1;
getDeviceMode(in BluetoothDevice device)50     int getDeviceMode(in BluetoothDevice device);
51 }
52