实际上,我需要在自定义视图类中获得导航栏。我可以在视图控制器类中获得导航栏的高度。如何在UIView / Utiity通用类中获取导航栏的高度? 。我只有一个视图控制器,并且在该类中添加了导航控制器。我想在任何自定义视图中访问该导航栏的高度。
// works in view controller
var navigationBarHeight: CGFloat {
return UIApplication.shared.statusBarFrame.size.height +
(self.navigationController?.navigationBar.frame.height ?? 0.0)
}
尝试在UINavigationBar()
内添加UIView
let v = UIView(frame: .zero)
let navBar = UINavigationBar(frame: .zero)
v.addSubview(navBar)
navBar.translatesAutoresizingMaskIntoConstraints = false
navBar.leftAnchor.constraint(equalTo: view.leftAnchor).isActive = true
navBar.rightAnchor.constraint(equalTo: view.rightAnchor).isActive = true
navBar.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor).isActive = true