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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  1. 0

    Why does my Intent not work?

    Stack Overflow | 3 months ago | Omar Abdelhafiz
    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
    This issue was solved in 2.2.6. If updating doesn't solve, try using notifyItemRangeChanged(1, mDatas.size()) instead of notifyItemRangeChanged(0, mDatas.size()).
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    How to display an icon in the preferences

    lucazanini.eu | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.widget.ImageView.setImageResource(int)’ on a null object reference
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  5. 0

    How to display an icon in the preferences

    lucazanini.eu | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.widget.ImageView.setImageResource(int)’ on a null object reference
  6. 0

    Come mostrare un'icona nelle preferenze

    lucazanini.eu | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.widget.ImageView.setImageResource(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.example.omarabdelhafiz.civilengtaif.SurveyListAdapter.getView()
    2. com.example.omarabdelhafiz
      SurveyListAdapter.getView
      1. com.example.omarabdelhafiz.civilengtaif.SurveyListAdapter.getView(SurveyListAdapter.java:27)
      1 frame
    3. Android Platform
      ActivityThread.main
      1. android.widget.AbsListView.obtainView(AbsListView.java:2459)
      2. android.widget.ListView.makeAndAddView(ListView.java:1889)
      3. android.widget.ListView.fillDown(ListView.java:705)
      4. android.widget.ListView.fillFromTop(ListView.java:766)
      5. android.widget.ListView.layoutChildren(ListView.java:1690)
      6. android.widget.AbsListView.onLayout(AbsListView.java:2222)
      7. android.view.View.layout(View.java:15900)
      8. android.view.ViewGroup.layout(ViewGroup.java:5103)
      9. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1954)
      10. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1808)
      11. android.widget.LinearLayout.onLayout(LinearLayout.java:1717)
      12. android.view.View.layout(View.java:15900)
      13. android.view.ViewGroup.layout(ViewGroup.java:5103)
      14. android.widget.FrameLayout.layoutChildren(FrameLayout.java:628)
      15. android.widget.FrameLayout.onLayout(FrameLayout.java:563)
      16. android.view.View.layout(View.java:15900)
      17. android.view.ViewGroup.layout(ViewGroup.java:5103)
      18. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1954)
      19. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1808)
      20. android.widget.LinearLayout.onLayout(LinearLayout.java:1717)
      21. android.view.View.layout(View.java:15900)
      22. android.view.ViewGroup.layout(ViewGroup.java:5103)
      23. android.widget.FrameLayout.layoutChildren(FrameLayout.java:628)
      24. android.widget.FrameLayout.onLayout(FrameLayout.java:563)
      25. android.view.View.layout(View.java:15900)
      26. android.view.ViewGroup.layout(ViewGroup.java:5103)
      27. android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2423)
      28. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2129)
      29. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1254)
      30. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6441)
      31. android.view.Choreographer$CallbackRecord.run(Choreographer.java:795)
      32. android.view.Choreographer.doCallbacks(Choreographer.java:598)
      33. android.view.Choreographer.doFrame(Choreographer.java:567)
      34. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:781)
      35. android.os.Handler.handleCallback(Handler.java:810)
      36. android.os.Handler.dispatchMessage(Handler.java:99)
      37. android.os.Looper.loop(Looper.java:189)
      38. android.app.ActivityThread.main(ActivityThread.java:5535)
      38 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:950)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:745)
      2 frames