[iOS13中的iOS TabBar项目标题问题

Question

[我在从Xcode 11进行编译时，iOS13的tabBar标题出现问题。在从Xcode 10进行编译时，它可以正常工作。请找到该问题的屏幕截图，以下是自定义tabBar的代码。[在此处输入图像描述] [ 1]

  [1]: https://i.stack.imgur.com/zuO6T.png

The code is 

        self.tabBar.isTranslucent = true
        self.tabBar.tintColor = UIColor.white
        UITabBarItem.appearance().badgeColor = Constant.Colors.colorFF1744
        if #available(iOS 13, *) {
            let appearance = UITabBarAppearance.init()
            appearance.stackedLayoutAppearance.normal.titleTextAttributes = [NSAttributedString.Key.font:UIFont(name: Constant.FontNames.RubikRegular, size: Constant.FontSize.P5heading)!,NSAttributedString.Key.foregroundColor:Constant.Colors.color8D8D8D]
            appearance.stackedLayoutAppearance.selected.titleTextAttributes = [NSAttributedString.Key.font:UIFont(name: Constant.FontNames.RubikRegular, size:Constant.FontSize.P5heading)!,NSAttributedString.Key.foregroundColor:Constant.Colors.colorFF1744]
            appearance.stackedItemPositioning = .automatic
            self.tabBar.standardAppearance = appearance
        }
        else{
        UITabBarItem.appearance().setTitleTextAttributes([NSAttributedString.Key.font:UIFont(name: Constant.FontNames.RubikRegular, size: Constant.FontSize.P5heading)!, NSAttributedString.Key.foregroundColor:Constant.Colors.color8D8D8D], for: .normal)
        UITabBarItem.appearance().setTitleTextAttributes([NSAttributedString.Key.font:UIFont(name: Constant.FontNames.RubikRegular, size: Constant.FontSize.P5heading)!, NSAttributedString.Key.foregroundColor:Constant.Colors.colorFF1744], for: .selected)
        }

Answer 1

删除if #available(iOS 13, *)，并以与iOS 12中相同的方式执行此操作。新方法UITabBatAppearance充满了错误。在固定之前，请避免使用它。