runOnUiThread(new Runnable() {
      @Override
      public void run() {
          sendMessage("[自动回复]你好，我是机器人");
       
      }

    });

 private Handler mHandler = new Handler() {
    public void handleMessage(Message msg) {
      switch (msg.what) {
        case 0:
          setResult(RESULT_OK);
          TimerButtonActivity.this.finish();
          break;
        case 4:
          mTimer1.setEnabled(false);
          mTimer1.setText("已发送(" + String.valueOf(time) + ")");
          break;
        case 5:
          mTimer1.setEnabled(true);
          mTimer1.setText("重新获取验证码");
          time = 10;
          break;
      }

    }
  };

mHandler.sendEmptyMessage(5);

Handler handler = new Handler();

    handler.postDelayed(new Runnable() {
      @Override
      public void run() {
        updataData();
      }
    }, 2000);

 //开启一个刷新的线程
    mFragmentMainRf.post(new Runnable() {
      @Override
      public void run() {
        //开始
        mFragmentMainRf.setRefreshing(true);
      }
    });
    //监听刷新状态操作
    mFragmentMainRf.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
      @Override
      public void onRefresh() {
        //设置延迟刷新时间1500
        handler.postDelayed(new Runnable() {
          @Override
          public void run() {
            //刷新数据
            updataData();
          }
        }, 1800);
      }
    });

 class AsyncTaskWrapper extends AsyncTask<Void, Integer, Object>{

    @Override
    protected Object doInBackground(Void... voids) {
      try {
        Thread.sleep(2000);
         } catch (InterruptedException e) {
        e.printStackTrace();
      }
      return null;
    }

    @Override
    protected void onProgressUpdate(Integer... values) {
      super.onProgressUpdate(values);
      Log.e("Progress",valuse);
    }

    @Override
    protected void onPostExecute(Object o) {
      super.onPostExecute(o);
      Log.e("Message",o);
    }
  }