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via Stack Overflow by akkie4396
, 1 year ago
Unable to instantiate activity ComponentInfo{com.example.akkie.customize/com.example.akkie.customize.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on a
via Stack Overflow by Jonas
, 11 months ago
Unable to instantiate activity ComponentInfo{com.example.jonas.blackjack/com.example.jonas.blackjack.Gameactivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on a
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