1 /* 2 * Copyright (C) 2015 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.media; 18 19 /** 20 * AudioDeviceCallback defines the mechanism by which applications can receive notifications 21 * of audio device connection and disconnection events. 22 * @see AudioManager#registerAudioDeviceCallback(AudioDeviceCallback, android.os.Handler handler). 23 */ 24 public abstract class AudioDeviceCallback { 25 /** 26 * Called by the {@link AudioManager} to indicate that one or more audio devices have been 27 * connected. 28 * @param addedDevices An array of {@link AudioDeviceInfo} objects corresponding to any 29 * newly added audio devices. 30 */ onAudioDevicesAdded(AudioDeviceInfo[] addedDevices)31 public void onAudioDevicesAdded(AudioDeviceInfo[] addedDevices) {} 32 33 /** 34 * Called by the {@link AudioManager} to indicate that one or more audio devices have been 35 * disconnected. 36 * @param removedDevices An array of {@link AudioDeviceInfo} objects corresponding to any 37 * newly removed audio devices. 38 */ onAudioDevicesRemoved(AudioDeviceInfo[] removedDevices)39 public void onAudioDevicesRemoved(AudioDeviceInfo[] removedDevices) {} 40 } 41