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  1. ,
    Expert tip

    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 Stack Overflow by Navas pk
, 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 mfietz
, 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 andansky
, 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 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
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:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1079) at android.view.View.layout(View.java:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743) at android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1732) at android.widget.LinearLayout.onLayout(LinearLayout.java:1497) at android.view.View.layout(View.java:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) 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:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) 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:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) at com.android.launcher3.SlidingUpPanelLayout.onLayout(SlidingUpPanelLayout.java:588) at android.view.View.layout(View.java:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336) at android.widget.FrameLayout.onLayout(FrameLayout.java:273) at com.android.launcher3.DragLayer.onLayout(DragLayer.java:525) at android.view.View.layout(View.java:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336) at android.widget.FrameLayout.onLayout(FrameLayout.java:273) at android.view.View.layout(View.java:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336) at android.widget.FrameLayout.onLayout(FrameLayout.java:273) at android.view.View.layout(View.java:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) 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:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) 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:2694) at android.view.View.layout(View.java:16655) at android.view.ViewGroup.layout(ViewGroup.java:5477) at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2171) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1931) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1107) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6013) at android.view.Choreographer$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$FrameDisplayEventReceiver.run(Choreographer.java:844) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5438) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:762) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:652)