Question

2.1 自定义 BroadcastReceiver 子类

public class LocalBroadcastReceiver extends BroadcastReceiver {

  @Override
  public void onReceive(Context context, Intent intent) {
    //处理广播信息
  }
}

2.2 注册广播

LocalBroadcastReceiver localReceiver = new LocalBroadcastReceiver();  
IntentFilter filter = new IntentFilter(ACTION_LOCAL_SEND);
LocalBroadcastManager.getInstance(context).registerReceiver(localReceiver, filter);  

2.3 发送广播

LocalBroadcastManager.getInstance(context).sendBroadcast(new Intent(ACTION_LOCAL_SEND));  

2.4 取消广播注册

LocalBroadcastManager.getInstance(context).unregisterReceiver(localReceiver);