我已经浏览了这里讨论的几个线程：
但是，我试图将两者结合起来，即将可点击的图像（按钮）作为标题。
不幸的是，虽然下面的代码编译了图像，但当指定为按钮时，它不会显示。有什么建议么？
func addNavBarImage() {
let navController = navigationController!
let button = UIButton(type: .custom)
var image = UIImage(named: "textLogo")
image = image?.withRenderingMode(.alwaysOriginal)
let bannerWidth = navController.navigationBar.frame.size.width
let bannerHeight = navController.navigationBar.frame.size.height
let bannerX = bannerWidth / 2 - image!.size.width / 2
let bannerY = bannerHeight / 2 - image!.size.height / 2
button.frame = CGRect(x: bannerX, y: bannerY, width: bannerWidth, height: bannerHeight)
button.imageView?.contentMode = .scaleAspectFit
button.imageView?.image = image
button.addTarget(self, action: #selector(self.logoTapped), for: .touchUpInside)
self.navigationItem.titleView = button
}
创建UIImageView，将其添加为 titleView 并添加UITapGestureRecognizer到您的UIImageView
let imageView = UIImageView()
imageView.image = UIImage.named("yourImage")
// do any settings to your imageView
let titleTap = UITapGestureRecognizer(target: self, action: #selector(titlePressed))
self.navigationItem.titleView = imageView
self.navigationItem.titleView?.isUserInteractionEnabled = true
self.navigationItem.titleView?.addGestureRecognizer(titleTap)
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我来说两句