iOS开发——UI篇Swift篇&UIProgressView

UIProgressView

 1     override func viewDidLoad() {
 2         super.viewDidLoad()
 3
 4         titleLabel.text = titleString
 5
 6
 7         // Do any additional setup after loading the view.
 8
 9         //创建进度控制器
10         var progressView:UIProgressView = UIProgressView(frame: CGRectMake(20, 100, 200, 20))
11
12         //添加到视图上
13         self.view.addSubview(progressView)
14
15         //设置进度
16         progressView.progress = 0.5
17         //或
18         progressView.setProgress(0.5, animated: true)
19
20         //设置风格
21         progressView.progressViewStyle = UIProgressViewStyle.Default
22
23         //
24         progressView.tintColor = UIColor.greenColor()
25
26
27         //--------使用颜色来美化进度控制器
28         //当前进度颜色
29         progressView.progressTintColor = UIColor.redColor()
30
31         //背景颜色
32         progressView.trackTintColor = UIColor.blueColor()
33
34
35         //--------使用图片来美化进度控制器
36         //设置进度的图片
37         progressView.progressImage = UIImage(named: "leftTrack.png")
38
39         //设置背景图片
40         progressView.trackImage = UIImage(named: "rightTrack.png")
41
42     }