iOS开发——UI篇Swift篇&UISwitch／UIStepper

UISwitch／UIStepper

 

 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         //创建开关控件

10         var switchView:UISwitch = UISwitch(frame: CGRectMake(20, 100, 60, 40))

11         

12         //添加到视图上

13         self.view.addSubview(switchView)

14         

15         //设置开启

16         switchView.on = true

17         

18         //或

19         switchView.setOn(true , animated: true)

20         

21         //添加UIControlEvents.ValueChanged事件，检测开关的切换

22         switchView.addTarget(self, action: "switchChange:", forControlEvents: UIControlEvents.ValueChanged)

23         

24         

25         

26         

27         //--------------------------

28         

29         //创建进步控件

30         var stepperView:UIStepper = UIStepper(frame: CGRectMake(200, 100, 80, 40))

31         

32         //添加到视图上

33         self.view.addSubview(stepperView)

34         

35         //设置最小值，默认是0.0

36         stepperView.minimumValue = 60

37         

38         //设置最大值，默认是100.0

39         stepperView.maximumValue = 800

40         

41         //设置当前值，默认是0.0

42         stepperView.value = 100

43         

44         //设置递增或递减的值，默认是1.0

45         stepperView.stepValue = 50

46     }

47 

48     override func didReceiveMemoryWarning() {

49         super.didReceiveMemoryWarning()

50         // Dispose of any resources that can be recreated.

51     }

52     

53 

54     /*

55     // MARK: - Navigation

56 

57     // In a storyboard-based application, you will often want to do a little preparation before navigation

58     override func prepareForSegue(segue: UIStoryboardSegue!, sender: AnyObject!) {

59         // Get the new view controller using segue.destinationViewController.

60         // Pass the selected object to the new view controller.

61     }

62     */

63 

64     

65     //检测开关的切换的事件

66     func switchChange(sender: AnyObject?)

67     {

68 //        var newSwitch:UISwitch = sender as UISwitch

69         

70         //2015年5月2号修改

71         var newSwitch:UISwitch = sender as! UISwitch

72         

73         println(newSwitch.on)

74     }