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yankai-victor / Loading

Android loading view
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Crashed on onDraw method #16

Open fanbinzj opened 7 years ago

fanbinzj commented 7 years ago

Just got a crash log from google play console:

java.lang.NullPointerException: at android.graphics.Canvas.drawArc(Canvas.java:1197) at com.victor.loading.rotate.RotateLoading.onDraw(RotateLoading.java:111) at android.view.View.draw(View.java:16201) at android.view.View.updateDisplayListIfDirty(View.java:15198) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.draw(View.java:16204) at android.view.View.updateDisplayListIfDirty(View.java:15198) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3424) at android.view.View.updateDisplayListIfDirty(View.java:15193) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.updateDisplayListIfDirty(View.java:15193) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.support.design.widget.CoordinatorLayout.drawChild(CoordinatorLayout.java:1131) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.draw(View.java:16204) at android.view.View.updateDisplayListIfDirty(View.java:15198) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.support.v4.widget.DrawerLayout.drawChild(DrawerLayout.java:1373) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.draw(View.java:16204) at android.view.View.updateDisplayListIfDirty(View.java:15198) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.updateDisplayListIfDirty(View.java:15193) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.updateDisplayListIfDirty(View.java:15193) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.updateDisplayListIfDirty(View.java:15193) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.updateDisplayListIfDirty(View.java:15193) at android.view.View.draw(View.java:15971) at android.view.ViewGroup.drawChild(ViewGroup.java:3610) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3400) at android.view.View.draw(View.java:16204) at com.android.internal.policy.PhoneWindow$DecorView.draw(PhoneWindow.java:2690) at android.view.View.updateDisplayListIfDirty(View.java:15198) at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:282) at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:288) at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:323) at android.view.ViewRootImpl.draw(ViewRootImpl.java:2642) at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2461) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2094) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1134) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6050) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:860) at android.view.Choreographer.doCallbacks(Choreographer.java:672) at android.view.Choreographer.doFrame(Choreographer.java:608) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:846) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:5438) at java.lang.reflect.Method.invoke(Native Method:0) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:738) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:628)

the version i am using is 1.0.4

Please advise me how to fix this or the reason for this. Thanks.

yankai-victor commented 7 years ago

canvas.drawArc(shadowRectF, topDegree, arc, false, mPaint); mPaint is not null, because it's used on line 110. I think it might be shadowRectF. But I'm not sure why shadowRectF is null.