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我想将标签栏项目的图像设置为更大的尺寸。所以我把这段代码放在我的 TabBarViewController.viewDidLoad() 中：

let titleTabrItems = ["Favourites","Calc","Time","Live","Shop"]
        for (index,item) in (self.tabBar.items ?? []).enumerated() {
            item.title = ""
            let image = item.image?.withRenderingMode(UIImageRenderingMode.alwaysOriginal)
            let selectedImage = item.selectedImage?.withRenderingMode(UIImageRenderingMode.alwaysOriginal)
            item.image = image
            if index < titleTabrItems.count {
                item.title  = titleTabrItems[index]
            }
            item.titlePositionAdjustment = UIOffsetMake(0, 10000)
            item.selectedImage = selectedImage
            item.imageInsets = UIEdgeInsets(top: 0, left: -10, bottom: -6, right: -10)
        }
        self.navigationController?.setNavigationBarHidden(true, animated: false)

但是如果我在一个项目上单击两次或更多次，则图像会变得越来越大。我想我仍然无法正确使用 EdgeInsets。如何解决缩放问题并为图像设置更大的尺寸？我根据 Apple 文档（75px/3x、50px/2x、25px/1x）创建了图像文件。

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