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ksoichiro / Android-ObservableScrollView

Android library to observe scroll events on scrollable views.
http://ksoichiro.github.io/Android-ObservableScrollView/
Apache License 2.0
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java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getHeight()' on a null object reference #250

Open jiansheliuxing opened 8 years ago

jiansheliuxing commented 8 years ago

I have got a NPE java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getHeight()' on a null object reference com.github.ksoichiro.android.observablescrollview.ObservableRecyclerView.void onScrollChanged(int,int,int,int)(ObservableRecyclerView.java:102) android.support.v7.widget.RecyclerView.h(RecyclerView.java:3942) android.support.v7.widget.RecyclerView.a(RecyclerView.java:1557) android.support.v7.widget.RecyclerView.onGenericMotionEvent(RecyclerView.java:2578) android.view.View.dispatchGenericMotionEventInternal(View.java:8581) android.view.View.dispatchGenericMotionEvent(View.java:8562) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) android.view.ViewGroup.dispatchTransformedGenericPointerEvent(ViewGroup.java:1919) android.view.ViewGroup.dispatchGenericPointerEvent(ViewGroup.java:1870) android.view.View.dispatchGenericMotionEvent(View.java:8555) com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchGenericMotionEvent(PhoneWindow.java:2377) com.android.internal.policy.impl.PhoneWindow.superDispatchGenericMotionEvent(PhoneWindow.java:1729) android.app.Activity.dispatchGenericMotionEvent(Activity.java:2778) android.support.v7.view.n.dispatchGenericMotionEvent(WindowCallbackWrapper.java:70) android.support.v7.view.n.dispatchGenericMotionEvent(WindowCallbackWrapper.java:70) com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchGenericMotionEvent(PhoneWindow.java:2344) android.view.View.dispatchPointerEvent(View.java:8668) android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4123) android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3989) android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3544) android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3597) android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3563) android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3680) android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3571) android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3737) android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3544) android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3597) android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3563) android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3571) android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3544) android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5807) android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5781) android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5752) android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5897) android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185) android.os.MessageQueue.nativePollOnce(Native Method) android.os.MessageQueue.next(MessageQueue.java:143)

jiansheliuxing commented 8 years ago

The device is GT-P5210;Android 5.1.1,level 22