How to stop a running thread when Activity on destroy at Android?

Question

I used some thread objects in my Android activity. But these threads do not stop itself when Activity on destroy. My code for thread-stopping as following:

Answer 1

Adding finish(); should end the Activity when onDestroy() or anything else (eg. a button is pressed) is called. When you use onDestroy(), make sure super.onDestroy(); is put after everything else is called.