IllegalArgumentException when dismissing

[manuelgon47]

We received a crash from a user interacting with ImageViewer.
We are using 0.5.0 version.

Device crash info:
Android 8.0.0
Device: WAS-LX1A

Fatal Exception: java.lang.IllegalArgumentException: View=DecorView@9fde4cf[] not attached to window manager
       at android.view.WindowManagerGlobal.findViewLocked + 520(WindowManagerGlobal.java:520)
       at android.view.WindowManagerGlobal.removeView + 413(WindowManagerGlobal.java:413)
       at android.view.WindowManagerImpl.removeViewImmediate + 206(WindowManagerImpl.java:206)
       at android.app.Dialog.dismissDialog + 495(Dialog.java:495)
       at android.app.Dialog.dismiss + 478(Dialog.java:478)
       at com.stfalcon.frescoimageviewer.ImageViewer.onDismiss + 111(ImageViewer.java:111)
       at com.stfalcon.frescoimageviewer.ImageViewerView.onDismiss + 190(ImageViewerView.java:190)
       at com.stfalcon.frescoimageviewer.SwipeToDismissListener.callDismissListener + 116(SwipeToDismissListener.java:116)
       at com.stfalcon.frescoimageviewer.SwipeToDismissListener.access$000 + 31(SwipeToDismissListener.java:31)
       at com.stfalcon.frescoimageviewer.SwipeToDismissListener$1.onAnimationEnd + 101(SwipeToDismissListener.java:101)
       at android.animation.Animator$AnimatorListener.onAnimationEnd + 552(Animator.java:552)
       at android.animation.ValueAnimator.endAnimation + 1209(ValueAnimator.java:1209)
       at android.animation.ValueAnimator.doAnimationFrame + 1449(ValueAnimator.java:1449)
       at android.animation.AnimationHandler.doAnimationFrame + 146(AnimationHandler.java:146)
       at android.animation.AnimationHandler.-wrap2()
       at android.animation.AnimationHandler$1.doFrame + 54(AnimationHandler.java:54)
       at android.view.Choreographer$CallbackRecord.run + 979(Choreographer.java:979)
       at android.view.Choreographer.doCallbacks + 790(Choreographer.java:790)
       at android.view.Choreographer.doFrame + 718(Choreographer.java:718)
       at android.view.Choreographer$FrameDisplayEventReceiver.run + 967(Choreographer.java:967)
       at android.os.Handler.handleCallback + 808(Handler.java:808)
       at android.os.Handler.dispatchMessage + 101(Handler.java:101)
       at android.os.Looper.loop + 166(Looper.java:166)
       at android.app.ActivityThread.main + 7523(ActivityThread.java:7523)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.Zygote$MethodAndArgsCaller.run + 245(Zygote.java:245)
       at com.android.internal.os.ZygoteInit.main + 921(ZygoteInit.java:921)