需要在broadcastReceiver中等待AsynkTask a event

public class MyBroadcastReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        // 创建并执行AsyncTask
        MyAsyncTask myAsyncTask = new MyAsyncTask();
        myAsyncTask.execute();
    }

    private class MyAsyncTask extends AsyncTask<Void, Void, Void> {

        @Override
        protected Void doInBackground(Void... voids) {
            // 在后台执行耗时操作
            // TODO: 执行你的任务逻辑
            return null;
        }

        @Override
        protected void onPostExecute(Void aVoid) {
            super.onPostExecute(aVoid);
            // 任务执行完毕后的操作
            // TODO: 处理任务执行结果
        }
    }
}