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
17package 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 */
24public 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     */
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     */
39    public void onAudioDevicesRemoved(AudioDeviceInfo[] removedDevices) {}
40}
41