class mAsyncTask extends AsyncTask<Void, integer, Void>{

@Override

protected Void doInBackground(Void... params) {

for (int i = 0; i < 100; i++) {

publishProgress(i);

try {

Thread.sleep(300);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

return null;

}