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.
- java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare() at android.os.Handler.<init>(Handler.java:121) at com.walintukai.lfdate.SocketIOService$9.run(SocketIOService.java:797) at java.lang.Thread.run(Thread.java:856)