content: /*
   * 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) {}
  }
  