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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.

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java.lang.NullPointerException: 	at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:5229)	at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4453)	at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4363)	at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:1961)	at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1370)	at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1333)	at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:562)	at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2900)	at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3071)	at android.view.View.layout(View.java:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	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:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	at android.support.v4.view.ViewPager.onLayout(ViewPager.java:1627)	at android.view.View.layout(View.java:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	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:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)	at android.widget.FrameLayout.onLayout(FrameLayout.java:388)	at android.view.View.layout(View.java:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	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:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)	at android.widget.FrameLayout.onLayout(FrameLayout.java:388)	at android.view.View.layout(View.java:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	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:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)	at android.widget.FrameLayout.onLayout(FrameLayout.java:388)	at android.view.View.layout(View.java:15092)	at android.view.ViewGroup.layout(ViewGroup.java:4645)	at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2007)	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1764)	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1020)	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5768)	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:824)	at android.view.Choreographer.doCallbacks(Choreographer.java:624)	at android.view.Choreographer.doFrame(Choreographer.java:594)	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:810)	at android.os.Handler.handleCallback(Handler.java:733)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:149)	at android.app.ActivityThread.main(ActivityThread.java:5257)	at java.lang.reflect.Method.invokeNative(Native Method)	at java.lang.reflect.Method.invoke(Method.java:515)