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

Stack Overflow | Dhruv Sehgal | 2 months ago
  1. 0

    Null Pointer exception on Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()

    Stack Overflow | 2 months ago | Dhruv Sehgal
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference
  2. 0

    Execution fail after moving MainActivity.java in Subfolder

    Stack Overflow | 10 months ago | school_guy
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference
  3. 0

    Android app crashing in GridLayout

    Stack Overflow | 3 months ago | The Thom
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.widget.GridLayout$PackedMap.getValue(int)' on a null object reference
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  5. 0

    Remove Inflate View from Default Android BLE Adapter Example [java]

    Stack Overflow | 2 years ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference
  6. 0

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

    GitHub | 2 years ago | sproogen
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference
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Root Cause Analysis

  1. java.lang.NullPointerException

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

    at android.widget.AbsListView.obtainView()
  2. Android Platform
    ViewGroup.layout
    1. android.widget.AbsListView.obtainView(AbsListView.java:2363)
    2. android.widget.ListView.makeAndAddView(ListView.java:1876)
    3. android.widget.ListView.fillDown(ListView.java:702)
    4. android.widget.ListView.fillFromTop(ListView.java:763)
    5. android.widget.ListView.layoutChildren(ListView.java:1685)
    6. android.widget.AbsListView.onLayout(AbsListView.java:2148)
    7. android.view.View.layout(View.java:16651)
    8. android.view.ViewGroup.layout(ViewGroup.java:5440)
    9. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
    10. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
    11. android.view.View.layout(View.java:16651)
    12. android.view.ViewGroup.layout(ViewGroup.java:5440)
    13. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
    14. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
    15. android.view.View.layout(View.java:16651)
    16. android.view.ViewGroup.layout(ViewGroup.java:5440)
    17. android.widget.RelativeLayout.onLayout(RelativeLayout.java:1079)
    18. android.view.View.layout(View.java:16651)
    19. android.view.ViewGroup.layout(ViewGroup.java:5440)
    19 frames
  3. android.support.design
    CoordinatorLayout.onLayout
    1. android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:122)
    2. android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42)
    3. android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1192)
    4. android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:814)
    4 frames
  4. Android Platform
    ViewGroup.layout
    1. android.view.View.layout(View.java:16651)
    2. android.view.ViewGroup.layout(ViewGroup.java:5440)
    2 frames
  5. Android Support v4
    DrawerLayout.onLayout
    1. android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1187)
    1 frame
  6. Android Platform
    FrameLayout.onLayout
    1. android.view.View.layout(View.java:16651)
    2. android.view.ViewGroup.layout(ViewGroup.java:5440)
    3. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
    4. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
    5. android.view.View.layout(View.java:16651)
    6. android.view.ViewGroup.layout(ViewGroup.java:5440)
    7. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
    8. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
    9. android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
    10. android.view.View.layout(View.java:16651)
    11. android.view.ViewGroup.layout(ViewGroup.java:5440)
    12. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
    13. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
    14. android.view.View.layout(View.java:16651)
    15. android.view.ViewGroup.layout(ViewGroup.java:5440)
    16. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
    17. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
    18. android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
    19. android.view.View.layout(View.java:16651)
    20. android.view.ViewGroup.layout(ViewGroup.java:5440)
    21. android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
    22. android.widget.FrameLayout.onLayout(FrameLayout.java:273)
    22 frames
  7. Android
    PhoneWindow$DecorView.onLayout
    1. com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2678)
    1 frame
  8. Android Platform
    Handler.handleCallback
    1. android.view.View.layout(View.java:16651)
    2. android.view.ViewGroup.layout(ViewGroup.java:5440)
    3. android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2183)
    4. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1943)
    5. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1119)
    6. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6060)
    7. android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
    8. android.view.Choreographer.doCallbacks(Choreographer.java:670)
    9. android.view.Choreographer.doFrame(Choreographer.java:606)
    10. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
    11. android.os.Handler.handleCallback(Handler.java:746)
    11 frames