java.lang.AbstractMethodError: abstract method not implemented 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView$ItemAnimator.animateDisappearance(RecyclerView.java) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.animateDisappearance(RecyclerView.java:3252) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.access$700(RecyclerView.java:147) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView$4.processDisappeared(RecyclerView.java:431) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.java:246) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.java:3098) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2917) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3283) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1055) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.onLayout(LinearLayout.java:1434) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:122) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1170) 08-29 09:48:21.894: W/System.err(4290): at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:814) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1191) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.onLayout(FrameLayout.java:388) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.onLayout(LinearLayout.java:1434) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.onLayout(FrameLayout.java:388)

Stack Overflow | Morad Edwar | 3 months ago
  1. 0

    abstract method not implemented in RecyclerView Adapter

    Stack Overflow | 3 months ago | Morad Edwar
    java.lang.AbstractMethodError: abstract method not implemented 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView$ItemAnimator.animateDisappearance(RecyclerView.java) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.animateDisappearance(RecyclerView.java:3252) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.access$700(RecyclerView.java:147) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView$4.processDisappeared(RecyclerView.java:431) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.java:246) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.java:3098) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2917) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3283) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1055) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.onLayout(LinearLayout.java:1434) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:122) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1170) 08-29 09:48:21.894: W/System.err(4290): at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:814) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1191) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.onLayout(FrameLayout.java:388) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.onLayout(LinearLayout.java:1434) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.onLayout(FrameLayout.java:388)
  2. 0

    GitHub comment 1#168195257

    GitHub | 11 months ago | pedro-araujo
    java.lang.AbstractMethodError: abstract method "java.lang.String android.content.Context.getOpPackageName()"
  3. 0

    Android N SDK

    GitHub | 7 months ago | bschnack
    java.lang.AbstractMethodError: abstract method "android.os.Handler android.webkit.WebViewProvider$ViewDelegate.getHandler(android.os.Handler)"
  4. Speed up your debug routine!

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  5. 0

    Crashes on latest Android Studio 2.1 with Android N preview

    GitHub | 7 months ago | bootstraponline
    java.lang.AbstractMethodError: abstract method "android.view.View android.webkit.WebViewProvider$ViewDelegate.findFocus(android.view.View)"
  6. 0

    Issue 207090 - android - [developer preview] AbstractMethodError on call to re-abstracted default methods that have implementations - Android Open Source Project - Issue Tracker - Google Project Hosting

    google.com | 3 months ago
    java.lang.AbstractMethodError: abstract method "android.os.Handler android.webkit.WebViewProvider$ViewDelegate.getHandler(android.os.Handler)"

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Root Cause Analysis

  1. java.lang.AbstractMethodError

    abstract method not implemented 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView$ItemAnimator.animateDisappearance(RecyclerView.java) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.animateDisappearance(RecyclerView.java:3252) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.access$700(RecyclerView.java:147) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView$4.processDisappeared(RecyclerView.java:431) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.ViewInfoStore.process(ViewInfoStore.java:246) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.dispatchLayoutStep3(RecyclerView.java:3098) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:2917) 08-29 09:48:21.884: W/System.err(4290): at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3283) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1055) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525) 08-29 09:48:21.884: W/System.err(4290): at android.widget.LinearLayout.onLayout(LinearLayout.java:1434) 08-29 09:48:21.884: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.884: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.HeaderScrollingViewBehavior.layoutChild(HeaderScrollingViewBehavior.java:122) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.ViewOffsetBehavior.onLayoutChild(ViewOffsetBehavior.java:42) 08-29 09:48:21.884: W/System.err(4290): at android.support.design.widget.AppBarLayout$ScrollingViewBehavior.onLayoutChild(AppBarLayout.java:1170) 08-29 09:48:21.894: W/System.err(4290): at android.support.design.widget.CoordinatorLayout.onLayout(CoordinatorLayout.java:814) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.support.v4.widget.DrawerLayout.onLayout(DrawerLayout.java:1191) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.onLayout(FrameLayout.java:388) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525) 08-29 09:48:21.894: W/System.err(4290): at android.widget.LinearLayout.onLayout(LinearLayout.java:1434) 08-29 09:48:21.894: W/System.err(4290): at android.view.View.layout(View.java:14817) 08-29 09:48:21.894: W/System.err(4290): at android.view.ViewGroup.layout(ViewGroup.java:4631) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.layoutChildren(FrameLayout.java:453) 08-29 09:48:21.894: W/System.err(4290): at android.widget.FrameLayout.onLayout(FrameLayout.java:388)

    at android.view.View.layout()
  2. Android Platform
    ActivityThread.main
    1. android.view.View.layout(View.java:14817)
    2. android.view.ViewGroup.layout(ViewGroup.java:4631)
    3. android.widget.LinearLayout.setChildFrame(LinearLayout.java:1671)
    4. android.widget.LinearLayout.layoutVertical(LinearLayout.java:1525)
    5. android.widget.LinearLayout.onLayout(LinearLayout.java:1434)
    6. android.view.View.layout(View.java:14817)
    7. android.view.ViewGroup.layout(ViewGroup.java:4631)
    8. android.widget.FrameLayout.layoutChildren(FrameLayout.java:453)
    9. android.widget.FrameLayout.onLayout(FrameLayout.java:388)
    10. android.view.View.layout(View.java:14817)
    11. android.view.ViewGroup.layout(ViewGroup.java:4631)
    12. android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1987)
    13. android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1744)
    14. android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000)
    15. android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670)
    16. android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
    17. android.view.Choreographer.doCallbacks(Choreographer.java:574)
    18. android.view.Choreographer.doFrame(Choreographer.java:544)
    19. android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
    20. android.os.Handler.handleCallback(Handler.java:733)
    21. android.os.Handler.dispatchMessage(Handler.java:95)
    22. android.os.Looper.loop(Looper.java:136)
    23. android.app.ActivityThread.main(ActivityThread.java:5017)
    23 frames
  3. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invokeNative(Native Method)
    2. java.lang.reflect.Method.invoke(Method.java:515)
    2 frames
  4. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
    2 frames
  5. Android Platform
    NativeStart.main
    1. dalvik.system.NativeStart.main(Native Method)
    1 frame