java.lang.NullPointerException: Attempt to invoke virtual method 'int com.woxthebox.draglistview.DragItemAdapter.getPositionForItemId(long)' on a null object reference

GitHub | Jacobh2 | 10 months ago
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    java.lang.NullPointerException: Attempt to invoke virtual method 'int com.woxthebox.draglistview.DragItemAdapter.getPositionForItemId(long)' on a null object reference
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'int com.woxthebox.draglistview.DragItemAdapter.getPositionForItemId(long)' on a null object reference

      at com.woxthebox.draglistview.DragItemRecyclerView.onDragStarted()
    2. com.woxthebox.draglistview
      DragItemAdapter$ViewHolder$1.onLongClick
      1. com.woxthebox.draglistview.DragItemRecyclerView.onDragStarted(DragItemRecyclerView.java:258)
      2. com.woxthebox.draglistview.DragListView$2.onDragStarted(DragListView.java:146)
      3. com.woxthebox.draglistview.DragItemAdapter$ViewHolder$1.onLongClick(DragItemAdapter.java:121)
      3 frames
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performLongClick(View.java:5236)
      2. android.view.View$CheckForLongPress.run(View.java:20900)
      3. android.os.Handler.handleCallback(Handler.java:739)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:145)
      6. android.app.ActivityThread.main(ActivityThread.java:5951)
      6 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:1400)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1195)
      2 frames