参考preferredStatusBarUpdateAnimation，
Gif
码
class ViewController: UIViewController {
var isHidden:Bool = false{
didSet{
UIView.animate(withDuration: 0.5) { () -> Void in
self.setNeedsStatusBarAppearanceUpdate()
}
}
}
@IBAction func clicked(sender: AnyObject) {
isHidden = !isHidden
}
override var preferredStatusBarUpdateAnimation: UIStatusBarAnimation{
return .slide
}
override var prefeRSStatusBarHidden: Bool{
return isHidden
}
}
602392714
清零编程群