How to raise a toast in AsyncTask, I am prompted to used the Looper

Question

I have tasks completed by AsyncTask in background. At some point I need to issue a Toast that something is completed.

I\'ve tried and I failed because Caused

Answer 1

If you want to display the Toast from the background thread you'll have to call runOnUiThread from doInBackground. I don't believe there's another way.

Edit: I take that back. I think you can implement onProgressUpdate, which runs on the UI thread, to show the Toast and make calls to publishProgress from doInBackground.