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

GitHub | Isolus | 2 years ago
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  1. 0
    samebug tip
    You cannot update your adapter contents in the background. Prepare your data on the background thread and then pass it to the main thread to update the adapter and call notify.
  2. 0
    samebug tip
    Also, you should dispatch events as soon as they happen, ReciclerView already bundles all updates.
  3. 0

    stickyindex expects at least two elements

    GitHub | 2 years ago | Isolus
    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
    samebug tip
    You have to provide valid identical number for each child items.
    via GitHub by h6ah4i

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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 br.com.stickyindex.layout.IndexLayoutManager.update()
    2. br.com.stickyindex
      IndexScrollListener.onScrolled
      1. br.com.stickyindex.layout.IndexLayoutManager.update(IndexLayoutManager.java:57)
      2. br.com.stickyindex.listener.IndexScrollListener.notifySubscribers(IndexScrollListener.java:43)
      3. br.com.stickyindex.listener.IndexScrollListener.onScrolled(IndexScrollListener.java:26)
      3 frames
    3. Android v7
      RecyclerView.onLayout
      1. android.support.v7.widget.RecyclerView.dispatchOnScrolled(RecyclerView.java:3630)
      2. android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2784)
      3. android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:2971)
      3 frames
    4. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:15671)
      2. android.view.ViewGroup.layout(ViewGroup.java:5038)
      3. android.widget.RelativeLayout.onLayout(RelativeLayout.java:1076)
      4. android.view.View.layout(View.java:15671)
      5. android.view.ViewGroup.layout(ViewGroup.java:5038)
      5 frames
    5. Android Support v4
      SwipeRefreshLayout.onLayout
      1. android.support.v4.widget.SwipeRefreshLayout.onLayout(SwipeRefreshLayout.java:562)
      1 frame
    6. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:15671)
      2. android.view.ViewGroup.layout(ViewGroup.java:5038)
      2 frames
    7. Android Support v4
      ViewPager.onLayout
      1. android.support.v4.view.ViewPager.onLayout(ViewPager.java:1626)
      1 frame
    8. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:15671)
      2. android.view.ViewGroup.layout(ViewGroup.java:5038)
      2 frames
    9. android.support.design
      CoordinatorLayout.onLayout
      1. android.support.design.widget.CoordinatorLayout.layoutChild(CoordinatorLayout.java:1000)
      2. android.support.design.widget.CoordinatorLayout.onLayoutChild(CoordinatorLayout.java:710)
      3. android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42)
      4. android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:982)
      5. android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:723)
      5 frames
    10. Android Platform
      ViewGroup.layout
      1. android.view.View.layout(View.java:15671)
      2. android.view.ViewGroup.layout(ViewGroup.java:5038)
      2 frames
    11. Android Support v4
      DrawerLayout.onLayout
      1. android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:907)
      1 frame
    12. Android Platform
      Handler.handleCallback
      1. android.view.View.layout(View.java:15671)
      2. android.view.ViewGroup.layout(ViewGroup.java:5038)
      3. android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)
      4. android.widget.FrameLayout.onLayout(FrameLayout.java:514)
      5. android.view.View.layout(View.java:15671)
      6. android.view.ViewGroup.layout(ViewGroup.java:5038)
      7. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703)
      8. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557)
      9. android.widget.LinearLayout.onLayout(LinearLayout.java:1466)
      10. android.view.View.layout(View.java:15671)
      11. android.view.ViewGroup.layout(ViewGroup.java:5038)
      12. android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)
      13. android.widget.FrameLayout.onLayout(FrameLayout.java:514)
      14. android.view.View.layout(View.java:15671)
      15. android.view.ViewGroup.layout(ViewGroup.java:5038)
      16. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703)
      17. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557)
      18. android.widget.LinearLayout.onLayout(LinearLayout.java:1466)
      19. android.view.View.layout(View.java:15671)
      20. android.view.ViewGroup.layout(ViewGroup.java:5038)
      21. android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)
      22. android.widget.FrameLayout.onLayout(FrameLayout.java:514)
      23. android.view.View.layout(View.java:15671)
      24. android.view.ViewGroup.layout(ViewGroup.java:5038)
      25. android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2086)
      26. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1843)
      27. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061)
      28. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885)
      29. android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
      30. android.view.Choreographer.doCallbacks(Choreographer.java:580)
      31. android.view.Choreographer.doFrame(Choreographer.java:550)
      32. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
      33. android.os.Handler.handleCallback(Handler.java:739)
      33 frames