我想重新定位UINavigationBar。因此,我使用代码提供了一个新值,但它没有改变。
@IBOutlet var headerBar: UINavigationBar!
let screenHeight = UIScreen.main.bounds.size.height
override func viewDidLoad() {
super.viewDidLoad()
if screenHeight > 667 {
headerBar = UINavigationBar(frame: CGRect(x: 0, y: 54, width: headerBar.frame.width, height: headerBar.frame.height))
} else {
headerBar = UINavigationBar(frame: CGRect(x: 0, y: 40, width: headerBar.frame.width, height: headerBar.frame.height))
}
}
我该如何解决这个问题?
@IBOutlet var headerBar: UINavigationBar!
let screenHeight = UIScreen.main.bounds.size.height
override func viewDidLoad() {
super.viewDidLoad()
DispatchQueue.main.async {
if self.screenHeight > 667 {
self.headerBar = UINavigationBar(frame: CGRect(x: 0, y: 54, width: self.headerBar.frame.width, height: self.headerBar.frame.height))
} else {
self.headerBar = UINavigationBar(frame: CGRect(x: 0, y: 40, width: self.headerBar.frame.width, height: self.headerBar.frame.height))
}
}
}
尝试一下
override func viewDidLoad() {
super.viewDidLoad()
DispatchQueue.main.async {
let screenHeight = UIScreen.main.bounds.size.height
let bounds = self.navigationController!.navigationBar.bounds
self.navigationController?.navigationBar.frame = CGRect(x: 0, y: self.screenHeight > 667 ? 54 : 40, width:bounds.width, height: bounds.height )
}
}