java.lang.NullPointerException

Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on a null object reference

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Solutions on the web21086

  • Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on a null object reference
  • via Stack Overflow by zingrook
    , 1 month ago
    Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on a null object reference
  • via Stack Overflow by Astered
    , 1 year ago
    Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on a null object reference
  • Stack trace

    • java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.Window$Callback android.view.Window.getCallback()' on a null object reference at android.support.v7.app.AppCompatDelegateImplBase.<init>(AppCompatDelegateImplBase.java:72) at android.support.v7.app.AppCompatDelegateImplV7.<init>(AppCompatDelegateImplV7.java:146) at android.support.v7.app.AppCompatDelegateImplV11.<init>(AppCompatDelegateImplV11.java:28) at android.support.v7.app.AppCompatDelegateImplV14.<init>(AppCompatDelegateImplV14.java:41) at android.support.v7.app.AppCompatDelegateImplV23.<init>(AppCompatDelegateImplV23.java:29) at android.support.v7.app.AppCompatDelegate.create(AppCompatDelegate.java:191) at android.support.v7.app.AppCompatDelegate.create(AppCompatDelegate.java:173) at android.support.v7.app.AppCompatActivity.getDelegate(AppCompatActivity.java:511) at android.support.v7.app.AppCompatActivity.findViewById(AppCompatActivity.java:183) at com.dunomade.ecraseurdetaupe.AireDeJeu.setPersonnage(AireDeJeu.java:136) at com.dunomade.ecraseurdetaupe.PlacementPerso.aPlacer(PlacementPerso.java:175) at com.dunomade.ecraseurdetaupe.GenerateurPartie$1$1.run(GenerateurPartie.java:56) at android.os.Handler.handleCallback(Handler.java:815) at android.os.Handler.dispatchMessage(Handler.java:104) at android.os.Looper.loop(Looper.java:207) at android.app.ActivityThread.main(ActivityThread.java:5728) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:679)

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    Once, 1 year ago