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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.

Solutions on the web

via GitHub by Zeliret
, 2 years ago
Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference
via GitHub by jaydeepw
, 2 years ago
Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference
via GitHub by gabrielemariotti
, 1 year ago
Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference
via GitHub by andansky
, 1 year ago
Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference
via Stack Overflow by awaistoor
, 1 year ago
Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference
java.lang.NullPointerException: Attempt to read from field 'int android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo.left' on a null object reference	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$4.processDisappeared(RecyclerView.java:422)	at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.java:231)	at android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.java:3086)	at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2914)	at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3277)	at android.view.View.layout(View.java:16636)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16636)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16636)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1735)	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1579)	at android.widget.LinearLayout.onLayout(LinearLayout.java:1488)	at android.view.View.layout(View.java:16636)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16636)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at android.view.View.layout(View.java:16636)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)	at android.widget.FrameLayout.onLayout(FrameLayout.java:273)	at com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2678)	at android.view.View.layout(View.java:16636)	at android.view.ViewGroup.layout(ViewGroup.java:5437)	at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2179)	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1939)	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1115)	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6023)	at android.view.Choreographer$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$FrameDisplayEventReceiver.run(Choreographer.java:844)	at android.os.Handler.handleCallback(Handler.java:739)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:148)	at android.app.ActivityThread.main(ActivityThread.java:5422)	at java.lang.reflect.Method.invoke(Native Method)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)