java.lang.NullPointerException

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  • Android app crashing in GridLayout
    via Stack Overflow by The Thom
    ,
  • GitHub comment 39#169173314
    via GitHub by gubatron
    ,
    • java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference at android.widget.AbsListView.obtainView(AbsListView.java:2363) at android.widget.ListView.makeAndAddView(ListView.java:1876) at android.widget.ListView.fillDown(ListView.java:702) at android.widget.ListView.fillFromTop(ListView.java:763) at android.widget.ListView.layoutChildren(ListView.java:1685) at android.widget.AbsListView.onLayout(AbsListView.java:2148) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336) at android.widget.FrameLayout.onLayout(FrameLayout.java:273) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336) at android.widget.FrameLayout.onLayout(FrameLayout.java:273) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1079) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:122) at android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42) at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1192) at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:814) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1187) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336) at android.widget.FrameLayout.onLayout(FrameLayout.java:273) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586) at android.widget.LinearLayout.onLayout(LinearLayout.java:1495) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336) at android.widget.FrameLayout.onLayout(FrameLayout.java:273) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743) at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586) at android.widget.LinearLayout.onLayout(LinearLayout.java:1495) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336) at android.widget.FrameLayout.onLayout(FrameLayout.java:273) at com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2678) at android.view.View.layout(View.java:16651) at android.view.ViewGroup.layout(ViewGroup.java:5440) at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2183) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1943) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1119) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6060) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858) at android.view.Choreographer.doCallbacks(Choreographer.java:670) at android.view.Choreographer.doFrame(Choreographer.java:606) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844) at android.os.Handler.handleCallback(Handler.java:746)

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