lazy var indicatorView:UIActivityIndicatorView = {
let tempview = UIActivityIndicatorView.init(style:.large)
tempview.frame = CGRect.init(x: 200, y: 200, width: 100, height: 100)
tempview.color = .white
tempview.backgroundColor = .black
return tempview
}()
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .brown
view.addSubview(indicatorView)
indicatorView.startAnimating()//旋转动画
}
indicatorView.stopAnimating() //停止旋转
indicatorView.hidesWhenStopped = true //停止旋转的时候 隐藏
indicatorView.isAnimating //是否在炫转