Weird exception: Cannot cast String to Boolean when using getBoolean

Question

I\'m getting a very weird error. I have 2 activities. On both I\'m getting the SharedPreferences using MODE_PRIVATE (if it matters) by sp = g

Answer 1

If there's ever been a string with that key, even if by accident, it will stay there until you clear the app's data or uninstall. Try uninstalling it to see if it still occurs.