Intent intent = new Intent();
  intent.setAction("exit_app");
  sendBroadcast(intent);

MyReceiver receiver;
  private void registerBroadcast() {
    // 注册广播接收者
    receiver = new MyReceiver();
    IntentFilter filter = new IntentFilter();
    filter.addAction("exit_app");
    context.registerReceiver(receiver,filter);
  }
  class MyReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
      if(intent.getAction().equals(ConstantUtils.EXIT_APP)){
        LogUtils.e("zs","退出登陆");
        finish();
      }
    }
  }