iOS13的系统字体是什么?

问题描述

iOS 13系统字体是什么?

What is the iOS 13 system font?

在iOS 13之前，我使用SFUIDisplay字体.

Before iOS 13 I used SFUIDisplay font.

UIFont(name: ".SFUIDisplay-Light", size: UIFont.systemFontSize)

但是在iOS 13上它不起作用.

But on iOS 13 it doesn't work.

推荐答案

这个错误是BS.解决该问题的唯一方法是直接使用systemFont(ofSize:weight:)方法.再次，您无法使用方法UIFont(name:size:)获取系统字体，出于某些有趣的原因，您只会获取Times New Roman.苹果开发人员一定在和我们搞混.因此，对于上面的原始问题，您必须使用以下代码:

This bug is so BS. The only way to get around it is by using the systemFont(ofSize:weight:) method directly. AKA, you cannot get the system font using the method UIFont(name:size:), you ll just get Times New Roman for some funny reason. Apple devs must be messing with us. So for the original question above you must use the following:

UIFont(systemFont:UIFont.systemFontSize, weight: .light)

对于我的情况，我遇到了一个错误，该错误为UIFont进行了扩展，以返回不同大小的相同字体，该字体必须与自定义字体和系统字体一起使用.为了使其能够在xcode 11 ios 13上运行，我必须添加一个愚蠢的检查以查看fontName是否包含".SF".

For my situation, I ran into this bug making an extension for UIFont to return the same font in a different size, which must work with custom and system fonts. In order for it to work on xcode 11 ios 13, I had to add a silly check to see if fontName contains ".SF".

extension UIFont {
    func forSize(_ pointSize: CGFloat) -> UIFont {
        if !fontName.contains(".SF"), let font = UIFont(name: fontName, size: pointSize) {
            return font
        }

        return UIFont.systemFont(ofSize: pointSize, weight: weight)
    }
}

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