如何更改导航栏的高度-Swift 3 [英] How can I change height of Navigation Bar - Swift 3

问题描述

我非常确定这不是重复的，因为我查看了其他答案，但它们都已过时，并且没有提供确切的答案.

I'm pretty sure this is not duplicate because I looked at other answers and they all outdated and do not provide exact answer.

我有导航控制器和几个视图控制器.我想使导航栏更高一些，以便适合我需要的文本大小.我怎样才能做到这一点 ?

I have Navigation Controller and several view controllers. I want to make Navigation Bar a bit taller so it would fit text size that I need. How can I do that ?

我尝试过:

UINavigationBar.appearance().frame = CGRect(x: 0.0, y: 0.0, width: 320.0, height: 210.0) 

但没有任何反应...

but nothing happens...

此外，我无法使用Xcode布局按钮向导航栏添加任何约束.

Also, I wasn't able to add any constraints to the Nav Bar using Xcode layout buttons.

希望有人可以帮助我解决此问题.预先感谢！

Hope somebody can help me to fix this issue. Thanks in advance!

推荐答案

更新8/3/20:我在2016年发布了此内容.许多人表示此功能不再有效，请您自担风险.我目前不在iOS系统中工作，因此没有可用的更新程序.祝你好运！

这是一种实现方法:

override func viewDidAppear(_ animated: Bool) {
    super.viewDidAppear(animated)
    let height: CGFloat = 50 //whatever height you want to add to the existing height
    let bounds = self.navigationController!.navigationBar.bounds
    self.navigationController?.navigationBar.frame = CGRect(x: 0, y: 0, width: bounds.width, height: bounds.height + height)
    
}

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