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

GitHub | BobOtike | 6 months ago
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  1. 0

    NPE when filtering items

    GitHub | 6 months ago | BobOtike
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getTop()' on a null object reference
  2. 0

    GitHub comment 51#222623411

    GitHub | 9 months ago | alistairbrightec
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getTop()' on a null object reference
  3. 0

    Intermittent Crash (Null Pointer)

    GitHub | 9 months ago | alistairsykes
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getTop()' on a null object reference
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  5. 0

    child is null

    GitHub | 11 months ago | kibotu
    java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getTop()' on a null object reference

    Root Cause Analysis

    1. java.lang.NullPointerException

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

      at android.support.v7.widget.RecyclerView$LayoutManager.getDecoratedTop()
    2. Android v7
      RecyclerView$LayoutManager.getDecoratedTop
      1. android.support.v7.widget.RecyclerView$LayoutManager.getDecoratedTop(RecyclerView.java:8095)
      1 frame
    3. com.turingtechnologies.materialscrollbar
      MaterialScrollBar$scrollListener.onScrolled
      1. com.turingtechnologies.materialscrollbar.ScrollingUtilities.getCurScrollState(ScrollingUtilities.java:152)
      2. com.turingtechnologies.materialscrollbar.ScrollingUtilities.scrollHandleAndIndicator(ScrollingUtilities.java:52)
      3. com.turingtechnologies.materialscrollbar.MaterialScrollBar$scrollListener.onScrolled(MaterialScrollBar.java:694)
      3 frames
    4. Android v7
      RecyclerView.onLayout
      1. android.support.v7.widget.RecyclerView.dispatchOnScrolled(RecyclerView.java:4250)
      2. android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.java:3348)
      3. android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3080)
      4. android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3518)
      4 frames
    5. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:16711)
      2. android.view.ViewGroup.layout(ViewGroup.java:5328)
      3. android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077)
      4. android.view.View.layout(View.java:16711)
      5. android.view.ViewGroup.layout(ViewGroup.java:5328)
      6. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1702)
      7. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1556)
      8. android.widget.LinearLayout.onLayout(LinearLayout.java:1465)
      9. android.view.View.layout(View.java:16711)
      10. android.view.ViewGroup.layout(ViewGroup.java:5328)
      10 frames
    6. Android Support v4
      ViewPager.onLayout
      1. android.support.v4.view.ViewPager.onLayout(ViewPager.java:1761)
      1 frame
    7. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:16711)
      2. android.view.ViewGroup.layout(ViewGroup.java:5328)
      3. android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077)
      4. android.view.View.layout(View.java:16711)
      5. android.view.ViewGroup.layout(ViewGroup.java:5328)
      5 frames
    8. Android Support v4
      DrawerLayout.onLayout
      1. android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1191)
      1 frame
    9. Android Platform
      Looper.loop
      1. android.view.View.layout(View.java:16711)
      2. android.view.ViewGroup.layout(ViewGroup.java:5328)
      3. android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
      4. android.widget.FrameLayout.onLayout(FrameLayout.java:508)
      5. android.view.View.layout(View.java:16711)
      6. android.view.ViewGroup.layout(ViewGroup.java:5328)
      7. android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
      8. android.widget.FrameLayout.onLayout(FrameLayout.java:508)
      9. android.view.View.layout(View.java:16711)
      10. android.view.ViewGroup.layout(ViewGroup.java:5328)
      11. android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
      12. android.widget.FrameLayout.onLayout(FrameLayout.java:508)
      13. android.view.View.layout(View.java:16711)
      14. android.view.ViewGroup.layout(ViewGroup.java:5328)
      15. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1702)
      16. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1556)
      17. android.widget.LinearLayout.onLayout(LinearLayout.java:1465)
      18. android.view.View.layout(View.java:16711)
      19. android.view.ViewGroup.layout(ViewGroup.java:5328)
      20. android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
      21. android.widget.FrameLayout.onLayout(FrameLayout.java:508)
      22. android.view.View.layout(View.java:16711)
      23. android.view.ViewGroup.layout(ViewGroup.java:5328)
      24. android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2319)
      25. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2032)
      26. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1191)
      27. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6642)
      28. android.view.Choreographer$CallbackRecord.run(Choreographer.java:777)
      29. android.view.Choreographer.doCallbacks(Choreographer.java:590)
      30. android.view.Choreographer.doFrame(Choreographer.java:560)
      31. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:763)
      32. android.os.Handler.handleCallback(Handler.java:739)
      33. android.os.Handler.dispatchMessage(Handler.java:95)
      34. android.os.Looper.loop(Looper.java:145)
      34 frames