content: /*
   * Copyright (C) 2013 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 com.example.android.mediarouter.player;
  
  import android.content.BroadcastReceiver;
  import android.content.Context;
  import android.content.Intent;
  import android.view.KeyEvent;
  
  /**
   * Broadcast receiver for handling ACTION_MEDIA_BUTTON.
   *
   * This is needed to create the RemoteControlClient for controlling
   * remote route volume in lock screen. It routes media key events back
   * to main app activity MainActivity.
   */
  public class SampleMediaButtonReceiver extends BroadcastReceiver {
      private static final String TAG = "SampleMediaButtonReceiver";
      private static MainActivity mActivity;
  
      public static void setActivity(MainActivity activity) {
          mActivity = activity;
      }
  
      @Override
      public void onReceive(Context context, Intent intent) {
          if (mActivity != null && Intent.ACTION_MEDIA_BUTTON.equals(intent.getAction())) {
              mActivity.handleMediaKey(
                      (KeyEvent)intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT));
          }
      }
  }
  