在导航栏中添加 UIView [英] Add UIView in navigation bar

问题描述

我想创建带有圆角的 UINavigationBar.它看起来像这样

I want to create UINavigationBar with rounded corner. It will look like this

我在想的是我添加带有圆角的 UIView 并将其插入导航栏中.所以这是我的代码

What I am thinking is I add UIView with rounded corner and insert it in navigation bar. So this is my code

let roundView = UIView(frame: CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: 44))
roundView.backgroundColor = UIColor.whiteBackground
roundView.roundCorners(corners: [.topLeft, .topRight], radius: 20)
navigationController?.navigationBar.insertSubview(roundView, at: 0)
setTitleTextColor(color: UIColor.black)

从用户界面来看，这很好用.但是后来我的 UIBarButtonItem 丢失了，它被我的自定义视图覆盖并且无法点击.所以我的问题是，如何在导航栏中添加子视图?

By the UI, this works well. But then my UIBarButtonItem is missing, it covered up by my custom view and couldn't be clicked. So my question is, how to add subview in navigation bar?

谢谢！

推荐答案

只是不要使用 UINavigation 栏并从头开始创建.是最简单的方法.否则，您可以尝试使用图案图像:

Just not use UINavigation bar and create all by scratch. Is the easiest way. Otherwise you can try with pattern image:

navigationController?.navigationBar.backgroundColor = UIColor(patternImage: UIImage(named: "background.png"))

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