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