【Android】AsyncTask

AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() { 

  @Override

  protected void onPostExecute(Void result) {

   Log.d("522", "");

  }

  @Override

  protected void onPreExecute() {

   Log.d("522", "");

  }

  @Override

  protected Void doInBackground(Void... arg0) {

   try {

    Log.d("522", "");

    Thread.sleep(3000);

    Log.d("522", "3秒後ProgressDialog還在就關掉");

    if (mProgressDialog != null) {

     try {

      mProgressDialog.dismiss();

     } catch (Exception e) {

      e.printStackTrace();

     }

    }

   } catch (Exception e) {

    e.printStackTrace();

   }

   return null;

  }

 

};