Android “Only the original thread that created a view hierarchy can touch its views.”

Question

I\'ve built a simple music player in Android. The view for each song contains a SeekBar, implemented like this:

public class Song extends Activity implement         


        

Answer 1

This happened to my when I called for an UI change from a doInBackground from Asynctask instead of using onPostExecute.

Dealing with the UI in onPostExecute solved my problem.