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    This was issue #706 in tabris-js. It happens when you have a switch in a CollectionView that is child of a Tab. Updating tabris or changing the switch for a Checkbox seems to solve the issue.

java.lang.NullPointerException: 	at android.support.v7.widget.SimpleItemAnimator.animateDisappearance(SimpleItemAnimator.java:78)	at android.support.v7.widget.RecyclerView.animateDisappearance(RecyclerView.java:3246)	at android.support.v7.widget.RecyclerView.access$700(RecyclerView.java:147)	at android.support.v7.widget.RecyclerView$4.processDisappeared(RecyclerView.java:422)	at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.java:231)	at android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.java:3086)	at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2914)	at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3277)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)	at android.widget.LinearLayout.onLayout(LinearLayout.java:1434)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)	at android.widget.FrameLayout.onLayout(FrameLayout.java:388)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1055)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:122)	at android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42)	at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1139)	at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:810)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1183)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)	at android.widget.FrameLayout.onLayout(FrameLayout.java:388)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)	at android.widget.LinearLayout.onLayout(LinearLayout.java:1434)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)	at android.widget.FrameLayout.onLayout(FrameLayout.java:388)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)	at android.widget.LinearLayout.onLayout(LinearLayout.java:1434)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)	at android.widget.FrameLayout.onLayout(FrameLayout.java:388)	at android.view.View.layout(View.java:14845)	at android.view.ViewGroup.layout(ViewGroup.java:4631)	at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2026)	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1783)	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1039)	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5648)	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)	at android.view.Choreographer.doCallbacks(Choreographer.java:574)