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I have a nested AsyncTask. This simple example is proof that they work: http://pastebin.com/0R9Cfxx1
However, in my production code, my nested AsyncTask returns getStatus == AsyncTask.RUNNING
yet, doInBackground() does not execute.
How can this be?
The way I understand AsyncTask, you’re supposed to run it from the main application thread, which creates a separate thread where “doInBackground()” runs. Now, if you run a nested AsyncTask inside another AsyncTask, you would have a minimum of three threads total: main app thread, first AsyncTask thread and second AsyncTask thread. They will all run in parallel, which breaks the idea of “nestedness”.
I believe the best way would be to refactor your code to use only one AsyncTask.