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      1 /*
      2  * Copyright (C) 2008 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  * API for Bluetooth Headset service
     23  *
     24  * {@hide}
     25  */
     26 interface IBluetoothHeadset {
     27     // Public API
     28     boolean connect(in BluetoothDevice device);
     29     boolean disconnect(in BluetoothDevice device);
     30     List<BluetoothDevice> getConnectedDevices();
     31     List<BluetoothDevice> getDevicesMatchingConnectionStates(in int[] states);
     32     int getConnectionState(in BluetoothDevice device);
     33     boolean setPriority(in BluetoothDevice device, int priority);
     34     int getPriority(in BluetoothDevice device);
     35     boolean startVoiceRecognition(in BluetoothDevice device);
     36     boolean stopVoiceRecognition(in BluetoothDevice device);
     37     boolean isAudioConnected(in BluetoothDevice device);
     38 
     39     // APIs that can be made public in future
     40     int getBatteryUsageHint(in BluetoothDevice device);
     41 
     42     // Internal functions, not be made public
     43     boolean createIncomingConnect(in BluetoothDevice device);
     44     boolean acceptIncomingConnect(in BluetoothDevice device);
     45     boolean rejectIncomingConnect(in BluetoothDevice device);
     46     boolean cancelConnectThread();
     47     boolean connectHeadsetInternal(in BluetoothDevice device);
     48     boolean disconnectHeadsetInternal(in BluetoothDevice device);
     49     boolean setAudioState(in BluetoothDevice device, int state);
     50     int getAudioState(in BluetoothDevice device);
     51 
     52     boolean startScoUsingVirtualVoiceCall(in BluetoothDevice device);
     53     boolean stopScoUsingVirtualVoiceCall(in BluetoothDevice device);
     54 }
     55