Web Reference: Jan 6, 2013 · In my FragmentActivity I'm using an AsyncTask for downloading data from internet. In the onPreExecute () method I add a Fragment and in the onPostExecute () method I remove it again. When the orientation is changed in between, I get the above mentioned exception. Please take a look at the details: DummyFragment dummyFragment; . Learn how to fix the java.lang.IllegalStateException error in Android that occurs when a method execution fails. Follow our guide with examples. Feb 2, 2024 · This tutorial demonstrates the java.lang.IllegalStateException: Could not execute method of the activity error while working for android app development in Java. It also talks about its cause and solution.
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