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BlurView drawing above another BlurView causes crash

See original GitHub issue

1.6.3
Pixel 4 Api 29 Emulator
I have a RecyclerView that has BlurView inside of it. That works fine. The problem is I have a fragment that hosts this RecyclerView and on one particular click on a button, I open DialogFragment which is completely custom. This DialogFragment is blurred. The problem is, when this dialog shows above the RecyclerView I get an error. I guess it is because one BlurView shows above another BlurView. I’ve seen in closed issues that someone already asked about this but in my case it is incidental and I really can’t avoid it. Could you help me somehow?
I can provide XML layout if you need it but the issue is not in it I guess
2020-11-05 15:21:22.753 17031-17031/lu.thebiggame E/AndroidRuntime: FATAL EXCEPTION: main Process: lu.thebiggame, PID: 17031 java.lang.IndexOutOfBoundsException: Index: 3, Size: 0 at java.util.ArrayList.get(ArrayList.java:437) at android.view.ViewGroup.getAndVerifyPreorderedView(ViewGroup.java:3659) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4147) at androidx.constraintlayout.widget.ConstraintLayout.dispatchDraw(ConstraintLayout.java:1975) at android.view.View.draw(View.java:21293) at android.view.ViewGroup.drawChild(ViewGroup.java:4388) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4149) at android.view.View.draw(View.java:21424) at android.view.View.draw(View.java:21295) at android.view.ViewGroup.drawChild(ViewGroup.java:4388) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4149) at androidx.constraintlayout.widget.ConstraintLayout.dispatchDraw(ConstraintLayout.java:1975) at android.view.View.draw(View.java:21293) at android.view.ViewGroup.drawChild(ViewGroup.java:4388) at androidx.recyclerview.widget.RecyclerView.drawChild(RecyclerView.java:5125) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4149) at android.view.View.draw(View.java:21424) at androidx.recyclerview.widget.RecyclerView.draw(RecyclerView.java:4524) at android.view.View.draw(View.java:21295) at android.view.ViewGroup.drawChild(ViewGroup.java:4388) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4149) at androidx.constraintlayout.widget.ConstraintLayout.dispatchDraw(ConstraintLayout.java:1975) at android.view.View.draw(View.java:21293) at android.view.ViewGroup.drawChild(ViewGroup.java:4388) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4149) at android.view.View.draw(View.java:21424) at androidx.core.widget.NestedScrollView.draw(NestedScrollView.java:1998) at android.view.View.draw(View.java:21295) at android.view.ViewGroup.drawChild(ViewGroup.java:4388) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4149) at androidx.constraintlayout.widget.ConstraintLayout.dispatchDraw(ConstraintLayout.java:1975) at android.view.View.draw(View.java:21424) at eightbitlab.com.blurview.BlockingBlurController.updateBlur(BlockingBlurController.java:149) at eightbitlab.com.blurview.BlockingBlurController$1.onPreDraw(BlockingBlurController.java:61) at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:1088) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2745) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1721) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:7598) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:966) at android.view.Choreographer.doCallbacks(Choreographer.java:790) at android.view.Choreographer.doFrame(Choreographer.java:725) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:951) at android.os.Handler.handleCallback(Handler.java:883) at android.os.Handler.dispatchMessage(Handler.java:100) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7356) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)

Issue Analytics

State:
Created 3 years ago
Comments:6 (3 by maintainers)

Top GitHub Comments

2reactions

LonLovecommented, Nov 13, 2020

另一个BlurView上方绘制的BlurView，上方的不生效没崩溃，都是包含在ConstraintLayout里面，我尝试把上方的从ConstraintLayout拿出来，然后在上方绘制，结果ok了。

0reactions

Dimeziscommented, Jan 21, 2021

Closing this one as a duplicate of https://github.com/Dimezis/BlurView/issues/110 Please post your repos/code samples/steps to reproduce there.

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