class??MyAsyncTask?extends?AsyncTask<Void,Integer,Void>{
????@Override
????protected?Void?doInBackground(Void...?params)?{

????????for?(int?i?=?0;?i?<?100;?i++)?{
????????????if(mTask.isCancelled()){
????????????????break;
????????????}
????????????try?{
????????????????Thread.sleep(300);
????????????}?catch?(InterruptedException?e)?{
????????????????e.printStackTrace();
????????????}
????????????publishProgress(i);
????????}
????????return?null;
????}

????@Override
????protected?void?onProgressUpdate(Integer...?values)?{
????????super.onProgressUpdate(values);
????????progressBar.setProgress(values[0]);
????}
}