Updating progress dialog in Activity from AsyncTask

AsyncTask has method onProgressUpdate(Integer...) that you can call each iteration for example or each time a progress is done during doInBackground() by calling publishProgress().

Refer to the docs for more details

you can update from AsyncTask's method onProgressUpdate(YOUR_PROGRESS) that can be invoked from doInBackground method by calling publishProgress(YOUR_PROGRESS) the data type of YOUR_PROGRESS can be defined from AsyncTask<Int, YOUR_PROGRESS_DATA_TYPE, Long>