java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference

GitHub | svakulenko | 9 months ago
  1. 0

    on fast rotation (portrait/lansdcape), viewController crash

    GitHub | 9 months ago | svakulenko
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
  2. 0
    samebug tip
    Initialize the variable before calling a method on it.
  3. 0

    Android compiles but crashes

    Stack Overflow | 2 years ago | AndroidNoob
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
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  5. 0

    android - ERRO findViewById ListView fragment - Stack Overflow em Português

    stackoverflow.com | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
  6. 0

    Highlight a specific row in ListView on page load outside onItemClick

    Stack Overflow | 9 months ago | Riverside
    java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference

      at com.bluelinelabs.conductor.Controller.attachChildController()
    2. com.bluelinelabs.conductor
      Controller$6.onViewAttachedToWindow
      1. com.bluelinelabs.conductor.Controller.attachChildController(Controller.java:689)
      2. com.bluelinelabs.conductor.Controller.attach(Controller.java:760)
      3. com.bluelinelabs.conductor.Controller.access$400(Controller.java:38)
      4. com.bluelinelabs.conductor.Controller$6.onViewAttachedToWindow(Controller.java:848)
      4 frames
    3. Android Platform
      ActivityThread.main
      1. android.view.View.dispatchAttachedToWindow(View.java:15816)
      2. android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3137)
      3. android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3145)
      4. android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3145)
      5. android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3145)
      6. android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3145)
      7. android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3145)
      8. android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3145)
      9. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1731)
      10. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1437)
      11. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:7397)
      12. android.view.Choreographer$CallbackRecord.run(Choreographer.java:920)
      13. android.view.Choreographer.doCallbacks(Choreographer.java:695)
      14. android.view.Choreographer.doFrame(Choreographer.java:631)
      15. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:906)
      16. android.os.Handler.handleCallback(Handler.java:739)
      17. android.os.Handler.dispatchMessage(Handler.java:95)
      18. android.os.Looper.loop(Looper.java:158)
      19. android.app.ActivityThread.main(ActivityThread.java:7224)
      19 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
      2 frames