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Attempt to invoke virtual method 'int android.view.ViewGroup.getScrollX()' on a null object reference
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Attempt to invoke virtual method 'int android.view.ViewGroup.getScrollX()' on a null object reference
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Attempt to invoke virtual method 'void android.graphics.Matrix.setValues(float[])' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.ViewGroup.getScrollX()' on a null object reference	at android.app.ActivityTransitionCoordinator.setSharedElementState(ActivityTransitionCoordinator.java:435)	at android.app.ActivityTransitionCoordinator.setSharedElementState(ActivityTransitionCoordinator.java:473)	at android.app.EnterTransitionCoordinator.startSharedElementTransition(EnterTransitionCoordinator.java:332)	at android.app.EnterTransitionCoordinator.access$200(EnterTransitionCoordinator.java:42)	at android.app.EnterTransitionCoordinator$5$1.run(EnterTransitionCoordinator.java:389)	at android.app.ActivityTransitionCoordinator.startTransition(ActivityTransitionCoordinator.java:698)	at android.app.EnterTransitionCoordinator$5.onPreDraw(EnterTransitionCoordinator.java:386)	at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:847)	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1990)	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1088)	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5825)	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:769)	at android.view.Choreographer.doCallbacks(Choreographer.java:582)	at android.view.Choreographer.doFrame(Choreographer.java:552)	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:755)	at android.os.Handler.handleCallback(Handler.java:739)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:135)	at android.app.ActivityThread.main(ActivityThread.java:5237)	at java.lang.reflect.Method.invoke(Method.java)	at java.lang.reflect.Method.invoke(Method.java:372)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:912)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:707)