java.lang.NullPointerException: Attempt to read from field 'com.x.x.models.ObjectModel$ModelTypes com.x.x.models.ObjectModel.type' on a null object reference

Stack Overflow | Diego Marrs | 2 months ago
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    How should I initialize and display my empty list?

    Stack Overflow | 2 months ago | Diego Marrs
    java.lang.NullPointerException: Attempt to read from field 'com.x.x.models.ObjectModel$ModelTypes com.x.x.models.ObjectModel.type' on a null object reference
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    NullPointerException: Attempt to read from field 'int android.app.Notification.flags' on a null object reference

    Stack Overflow | 1 month ago | Jihoon Song
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    [BugReport] Attempt to read from field 'boolean com.jecelyin.android.file_explorer.FileListPagerFragment$ScanFilesTask.isRoot' on a null object reference

    GitHub | 1 month ago | 920-Text-Editor-User
    java.lang.NullPointerException: Attempt to read from field 'boolean com.jecelyin.android.file_explorer.FileListPagerFragment$ScanFilesTask.isRoot' on a null object reference
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  5. 0

    [BugReport] Attempt to read from field 'boolean com.jecelyin.android.file_explorer.FileListPagerFragment$ScanFilesTask.isRoot' on a null object reference

    GitHub | 3 months ago | 920-Text-Editor-User
    java.lang.NullPointerException: Attempt to read from field 'boolean com.jecelyin.android.file_explorer.FileListPagerFragment$ScanFilesTask.isRoot' on a null object reference
  6. 0

    [BugReport] Attempt to read from field 'boolean com.jecelyin.android.file_explorer.FileListPagerFragment$ScanFilesTask.isRoot' on a null object reference

    GitHub | 3 months ago | 920-Text-Editor-User
    java.lang.NullPointerException: Attempt to read from field 'boolean com.jecelyin.android.file_explorer.FileListPagerFragment$ScanFilesTask.isRoot' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to read from field 'com.x.x.models.ObjectModel$ModelTypes com.x.x.models.ObjectModel.type' on a null object reference

      at com.x.x.adapters.ListAdapter.getItemViewType()
    2. com.x.x
      ListAdapter.getItemViewType
      1. com.x.x.adapters.ListAdapter.getItemViewType(ListAdapter.java:32)
      1 frame
    3. Android v7
      RecyclerView.onLayout
      1. android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4664)
      2. android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4617)
      3. android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:1994)
      4. android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1390)
      5. android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1353)
      6. android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:574)
      7. android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3028)
      8. android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2906)
      9. android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3283)
      9 frames
    4. Android Platform
      ActivityThread.main
      1. android.view.View.layout(View.java:15654)
      2. android.view.ViewGroup.layout(ViewGroup.java:4969)
      3. android.widget.RelativeLayout.onLayout(RelativeLayout.java:1077)
      4. android.view.View.layout(View.java:15654)
      5. android.view.ViewGroup.layout(ViewGroup.java:4969)
      6. android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
      7. android.widget.FrameLayout.onLayout(FrameLayout.java:508)
      8. android.view.View.layout(View.java:15654)
      9. android.view.ViewGroup.layout(ViewGroup.java:4969)
      10. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1705)
      11. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1559)
      12. android.widget.LinearLayout.onLayout(LinearLayout.java:1468)
      13. android.view.View.layout(View.java:15654)
      14. android.view.ViewGroup.layout(ViewGroup.java:4969)
      15. android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
      16. android.widget.FrameLayout.onLayout(FrameLayout.java:508)
      17. android.view.View.layout(View.java:15654)
      18. android.view.ViewGroup.layout(ViewGroup.java:4969)
      19. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1705)
      20. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1559)
      21. android.widget.LinearLayout.onLayout(LinearLayout.java:1468)
      22. android.view.View.layout(View.java:15654)
      23. android.view.ViewGroup.layout(ViewGroup.java:4969)
      24. android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
      25. android.widget.FrameLayout.onLayout(FrameLayout.java:508)
      26. android.view.View.layout(View.java:15654)
      27. android.view.ViewGroup.layout(ViewGroup.java:4969)
      28. android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2102)
      29. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1859)
      30. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1078)
      31. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5875)
      32. android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
      33. android.view.Choreographer.doCallbacks(Choreographer.java:580)
      34. android.view.Choreographer.doFrame(Choreographer.java:550)
      35. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
      36. android.os.Handler.handleCallback(Handler.java:739)
      37. android.os.Handler.dispatchMessage(Handler.java:95)
      38. android.os.Looper.loop(Looper.java:135)
      39. android.app.ActivityThread.main(ActivityThread.java:5351)
      39 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:908)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:703)
      2 frames