Process: com.daimajia.swipedemo, PID: 7175
java.lang.AbstractMethodError: abstract method "boolean android.support.v7.widget.RecyclerView$ItemAnimator.animateAppearance(android.support.v7.widget.RecyclerView$ViewHolder, android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo, android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo)"
at android.support.v7.widget.RecyclerView.animateAppearance(RecyclerView.java:3758)
at android.support.v7.widget.RecyclerView$4.processAppeared(RecyclerView.java:519)
at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.java:247)
at android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.java:3607)
at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3277)
at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3798)
at android.view.View.layout(View.java:17677)
at android.view.ViewGroup.layout(ViewGroup.java:5594)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at android.view.View.layout(View.java:17677)
at android.view.ViewGroup.layout(ViewGroup.java:5594)
at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:510)
at android.view.View.layout(View.java:17677)
at android.view.ViewGroup.layout(ViewGroup.java:5594)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
at com.android.internal.policy.DecorView.onLayout(DecorView.java:795)
at android.view.View.layout(View.java:17677)
at android.view.ViewGroup.layout(ViewGroup.java:5594)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2577)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2291)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1449)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6674)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:874)
at android.view.Choreographer.doCallbacks(Choreographer.java:686)
at android.view.Choreographer.doFrame(Choreographer.java:621)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:860)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:177)
at android.app.ActivityThread.main(ActivityThread.java:6691)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:912)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:802)
crash Details:
Process: com.daimajia.swipedemo, PID: 7175 java.lang.AbstractMethodError: abstract method "boolean android.support.v7.widget.RecyclerView$ItemAnimator.animateAppearance(android.support.v7.widget.RecyclerView$ViewHolder, android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo, android.support.v7.widget.RecyclerView$ItemAnimator$ItemHolderInfo)" at android.support.v7.widget.RecyclerView.animateAppearance(RecyclerView.java:3758) at android.support.v7.widget.RecyclerView$4.processAppeared(RecyclerView.java:519) at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.java:247) at android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.java:3607) at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3277) at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3798) at android.view.View.layout(View.java:17677) at android.view.ViewGroup.layout(ViewGroup.java:5594) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323) at android.widget.FrameLayout.onLayout(FrameLayout.java:261) at android.view.View.layout(View.java:17677) at android.view.ViewGroup.layout(ViewGroup.java:5594) at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:510) at android.view.View.layout(View.java:17677) at android.view.ViewGroup.layout(ViewGroup.java:5594) at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323) at android.widget.FrameLayout.onLayout(FrameLayout.java:261) at com.android.internal.policy.DecorView.onLayout(DecorView.java:795) at android.view.View.layout(View.java:17677) at android.view.ViewGroup.layout(ViewGroup.java:5594) at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2577) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2291) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1449) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6674) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:874) at android.view.Choreographer.doCallbacks(Choreographer.java:686) at android.view.Choreographer.doFrame(Choreographer.java:621) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:860) at android.os.Handler.handleCallback(Handler.java:751) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:177) at android.app.ActivityThread.main(ActivityThread.java:6691) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:912) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:802)