问题标签 [uifontweighttrait]

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ios7 - UIFontWeightTrait and UIFontDescriptorFamilyAttribute Ignored when creating UIFont from UIFontDescriptor

Given the following code and a device running iOS 7.1 or later:

I would expect the value of shouldBeAnUltraLightFont to be an instance of HelveticaNeue-UltraLight, but instead it is:

I am following the Apple documentation as far as I understand it. Why is the font family and font weight information completely ignored?

Things I’ve Tried

  • I've tried other family names like Helvetica, Avenir, etc.
  • I've tried other font weights in the valid range from -1 to 1, in increments of 0.25

Regardless of these changes, the font returned is always a vanilla instance of Helvetica at normal weight.

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ios - HelveticaNeue 和 HelveticaNeue-Light 之间权重的字体或更改 HelveticaNeue 权重的方法

我试图尽可能地模仿 iOS 默认系​​统键盘的字体。显然，家庭是HelveticaNeue但重量既不是HelveticaNeue-Light（太轻）也不是HelveticaNeue（太重）。

我的研究表明，默认系统 iOS 键盘使用一种名为 Dynamic Type with Optical scaling 的东西。这对第三方开发者（Apple 之外）可用吗？如果没有，我该如何模仿默认键盘的 Helvetica Neue 重量？

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2 回答
1125 浏览

ios - iOS - 是否可以制作 UIFont SystemFont Italic 和 Thin（不使用 fontWithName :)？

我的应用程序仅使用系统字体，并且我正在使用功能创建它们 -

如何使用权重 UIFontWeightThin 使系统字体斜体？

我不能使用对特定系列字体 (fontWithName:) 的调用，因为我希望它只是系统字体。

谢谢 ：）


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