java.lang.RuntimeException

tip

Any worker thread runs in background, since it is not intended to loop, is not connected to a Looper.for example doInBackground().
its implementation returns will be passed to onPostExecute() which runs on the UI thread.

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

  • Android: Looper, Handler, HandlerThread. Part I.
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  • Crash in GcmRefreshJob
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