问题
I am using UIMenuController to display custom options. It was working fine with a black background and white text on UIMenuItems till iOS 12.
After upgrading to iOS 13 beta 8 with Xcode 11 beta 7, the background changed to transparent.
Is there anyone else facing this problem?
来源：https://stackoverflow.com/questions/57699513/uimenucontroller-in-ios-13-beta-shows-with-transparent-background-instead-of-bla