NOTE : if the task done before rotate/close the activity every thing will be ok without leak.

NOTE : if the task done before rotate/close the listener every thing will be ok without leak.

We will have memory leaks when we rotate/close the activity within 20 seconds after it’s created. Since the AsyncTask is declared as non-static class

Problem: we still need a reference to activity or listener to run the updateText() method what we should do? go to the next example at @StaticAsyncTas