Attempt to read from field 'float android.graphics.PointF.x' on a null object reference

[guodong89758]

androidx-6.1.4 在错误统计平台上看到不少这两个问题的错误日志，自测没测出来，应该是偶现的问题，希望能够处理下，谢谢！ java.lang.NullPointerException:Attempt to read from field 'float android.graphics.PointF.x' on a null object reference android.graphics.PointF.set(PointF.java:54) cc.shinichi.library.view.helper.SubsamplingScaleImageViewDragClose.boolean onTouchEvent(android.view.MotionEvent)(SubsamplingScaleImageViewDragClose.java:20) android.view.View.dispatchTouchEvent(View.java:11798) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) com.billy.android.swipe.SmartSwipeWrapper.boolean dispatchTouchEvent(android.view.MotionEvent)(SmartSwipeWrapper.java:3) android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2968) android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2657) com.android.internal.policy.DecorView.superDispatchTouchEvent(DecorView.java:485) com.android.internal.policy.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1842) android.app.Activity.dispatchTouchEvent(Activity.java:3341) androidx.appcompat.view.WindowCallbackWrapper.boolean dispatchTouchEvent(android.view.MotionEvent)(WindowCallbackWrapper.java:1) java.lang.reflect.Method.invoke(Native Method) org.chromium.base.ApplicationStatus$d.invoke(TbsJavaCore:194) java.lang.reflect.Proxy.invoke(Proxy.java:913) $Proxy23.dispatchTouchEvent(Unknown Source) com.android.internal.policy.DecorView.dispatchTouchEvent(DecorView.java:445) android.view.View.dispatchPointerEvent(View.java:12037) android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4883) android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:4678) android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4182) android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4235) android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4201) android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4328) android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4209) android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4385) android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4182) android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4235) android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4201) android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4209) android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4182) android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:6761) android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:6735) android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:6696) android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:6873) android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:187) android.os.MessageQueue.nativePollOnce(Native Method) android.os.MessageQueue.next(MessageQueue.java:325) android.os.Looper.loop(Looper.java:142) android.app.ActivityThread.main(ActivityThread.java:6707) java.lang.reflect.Method.invoke(Native Method) com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438) com.android.internal.os.ZygoteInit.main(ZygoteInit.java:886)

另一个问题也有出现，统计到的没上面那个多 java.lang.NullPointerException Attempt to invoke virtual method 'java.lang.Object java.util.HashMap.remove(java.lang.Object)' on a null object reference cc.shinichi.library.view.ImagePreviewAdapter.java.lang.Object instantiateItem(android.view.ViewGroup,int)(ImagePreviewAdapter.java:28) androidx.viewpager.widget.ViewPager.androidx.viewpager.widget.ViewPager$ItemInfo addNewItem(int,int)(ViewPager.java:3) androidx.viewpager.widget.ViewPager.void populate(int)(ViewPager.java:32) androidx.viewpager.widget.ViewPager.void populate()(ViewPager.java:1) androidx.viewpager.widget.ViewPager$3.void run()(ViewPager.java:2) android.view.Choreographer$CallbackRecord.run(Choreographer.java:1256) android.view.Choreographer.doCallbacks(Choreographer.java:995) android.view.Choreographer.doFrame(Choreographer.java:883) android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1224) android.os.Handler.handleCallback(Handler.java:900) android.os.Handler.dispatchMessage(Handler.java:103) android.os.Looper.loop(Looper.java:219) android.app.ActivityThread.main(ActivityThread.java:8387) java.lang.reflect.Method.invoke(Native Method) com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513) com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1055)

[LeonShannon]

目前我崩溃最多的就是这个了。作者大大可以帮忙维护下这个问题吗？

[protectedMan]

同此问题

[ryanZhange]

main(2)

java.lang.NullPointerException Attempt to read from field 'float android.graphics.PointF.x' on a null object reference 解析原始 1 android.graphics.PointF.set(PointF.java:54) 2 cc.shinichi.library.view.helper.SubsamplingScaleImageViewDragClose.boolean onTouchEvent(android.view.MotionEvent)(SubsamplingScaleImageViewDragClose.java:743)

[SherlockGougou]

6.2.1版本发布了，你们再试一下呢，如果有问题再反馈。