Swift中，除了条形进度条外，还有环形进度条，效果图如下：
1，环形进度条的基本属性（1）Style：Large White：比较大的白色环形进度条White：白色环形进度条Gray：灰色环形进度条 （2）Color：设置环形进度条的颜色（3）Behavior：Animating：勾选后环形进度条开始转动Hides When Stopped：勾选后当环形进度条停止转动时自动隐藏2，使用样例
| 12345678910111213141516171819202122232425262728293031 | import UIKit class ViewController: UIViewController { var activityIndicator:UIActivityIndicatorView! override func viewDidLoad() { super.viewDidLoad() activityIndicator = UIActivityIndicatorView(activityIndicatorStyle: UIActivityIndicatorViewStyle.Gray) activityIndicator.center=self.view.center self.view.addSubview(activityIndicator); play() } func play(){ //进度条开始转动 activityIndicator.startAnimating() } func stop(){ //进度条停止转动 activityIndicator.stopAnimating() } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() }} |
