/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.media;

/**
 * AudioDeviceCallback defines the mechanism by which applications can receive notifications
 * of audio device connection and disconnection events.
 * @see AudioManager#registerAudioDeviceCallback(AudioDeviceCallback, android.os.Handler handler).
 */
public abstract class AudioDeviceCallback {
    /**
     * Called by the {@link AudioManager} to indicate that one or more audio devices have been
     * connected.
     * @param addedDevices  An array of {@link AudioDeviceInfo} objects corresponding to any
     * newly added audio devices.
     */
    public void onAudioDevicesAdded(AudioDeviceInfo[] addedDevices) {}

    /**
     * Called by the {@link AudioManager} to indicate that one or more audio devices have been
     * disconnected.
     * @param removedDevices  An array of {@link AudioDeviceInfo} objects corresponding to any
     * newly removed audio devices.
     */
    public void onAudioDevicesRemoved(AudioDeviceInfo[] removedDevices) {}
}