iOS开发——UI篇Swift篇&UITabBarController

UITabBarController

 

 1 class UITabBarControllerController: UIViewController {

 2     

 3     var titleString:String!

 4     

 5     @IBOutlet var titleLabel:UILabel!

 6     

 7      @IBOutlet var tabBarCtl:UITabBarController!

 8     

 9     

10     //返回按钮事件

11     @IBAction func backButtonClick()

12     {

13         self.navigationController?.popViewControllerAnimated(true)

14     }

15     

16     

17     override func viewDidLoad() {

18         super.viewDidLoad()

19         

20         titleLabel.text = titleString

21         

22         

23         // Do any additional setup after loading the view.

24     }

25 

26     override func didReceiveMemoryWarning() {

27         super.didReceiveMemoryWarning()

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

29     }

30     

31 

32     /*

33     // MARK: - Navigation

34 

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

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

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

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

39     }

40     */

41 

42     

43     //打开一个新的视图控制器，由UITabBarController创建

44     @IBAction func creatTabBarController()

45     {

46         self.presentViewController(self.tabBarCtl, animated: true, completion: {

47         

48         })

49     }

50     

51     //创建代码UITabBarController

52     @IBAction func usedCodeCreatTabBarController()

53     {

54         //定义第1视图控制器

55         var itemCtl1 = ItemController1()

56         

57         //定义第2视图控制器

58         var itemCtl2 = ItemController2()

59         

60         //定义第3视图控制器

61         var itemCtl3 = ItemController3()

62         

63         //定义第4视图控制器

64         var itemCtl4 = ItemController4()

65         

66         

67         //定义UITabBarController

68         

69         var newTabBarCtl = UITabBarController()

70         

71         //添加要管理4的视图

72         newTabBarCtl.addChildViewController(itemCtl1)

73         newTabBarCtl.addChildViewController(itemCtl2)

74         newTabBarCtl.addChildViewController(itemCtl3)

75         newTabBarCtl.addChildViewController(itemCtl4)

76         

77         //或者，通过setViewControllers方法来一起设置

78         newTabBarCtl.setViewControllers([itemCtl1,itemCtl2,itemCtl3,itemCtl4], animated: true)

79         

80 

81         //创建4个UITabBarItem 实例

82         var barItem1 = UITabBarItem(title: "红色", image: nil, tag: 11)

83         var barItem2 = UITabBarItem(title: "绿色", image: nil, tag: 12)

84         var barItem3 = UITabBarItem(title: "蓝色", image: nil, tag: 13)

85         var barItem4 = UITabBarItem(title: "橘色", image: nil, tag: 14)

86         

87         //重新设置4个控制的tabBarItem

88         itemCtl1.tabBarItem = barItem1

89         itemCtl2.tabBarItem = barItem2

90         itemCtl3.tabBarItem = barItem3

91         itemCtl4.tabBarItem = barItem4

92         

93 

94         //推出UITabBarController

95         self.presentViewController(newTabBarCtl, animated: true, completion: {

96             

97         })

98     }

99 }