Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    via vogella.com by Unknown author

    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.

Solutions on the web

via xamarin.com by Unknown author, 1 year ago
Can't create handler inside thread that has not called Looper.prepare()
via Stack Overflow by Unknown author, 2 years ago
Can't create handler inside thread that has not called Looper.prepare()
via Stack Overflow by David Barishev
, 1 year ago
Can't create handler inside thread that has not called Looper.prepare()
via Stack Overflow by Challice Genest
, 2 years ago
Can't create handler inside thread that has not called Looper.prepare()
via netfoucs.com by Unknown author, 1 year ago
via Stack Overflow by sama
, 1 year ago
Can't create handler inside thread that has not called Looper.prepare()
java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare()
	at android.os.Handler.(Handler.java:200)	at android.os.Handler.(Handler.java:114)	at android.app.Dialog.(Dialog.java:113)	at android.app.AlertDialog.(AlertDialog.java:125)	at android.app.AlertDialog$Builder.create(AlertDialog.java:968)