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: can not show dialog from AsyncTask class
    via by Unknown author,
  • error from ACRA - tantomapurls
    via GitHub by moovida
    ,
    • java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare() at android.os.Handler.<init>(Handler.java:200) at android.os.Handler.<init>(Handler.java:114) at android.app.Dialog.<init>(Dialog.java:119) at android.app.AlertDialog.<init>(AlertDialog.java:200) at android.app.AlertDialog.<init>(AlertDialog.java:196) at android.app.AlertDialog.<init>(AlertDialog.java:141) at android.app.ProgressDialog.<init>(ProgressDialog.java:77)

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