iOS开发——UI篇Swift篇&UISwitch／UIStepper

UISwitch／UIStepper

     override func viewDidLoad() {
         super.viewDidLoad()

         titleLabel.text = titleString

         // Do any additional setup after loading the view.

         //创建开关控件
         var switchView:UISwitch = UISwitch(frame: CGRectMake(, , , ))

         //添加到视图上
         self.view.addSubview(switchView)

         //设置开启
         switchView.on = true

         //或
         switchView.setOn(true , animated: true)

         //添加UIControlEvents.ValueChanged事件，检测开关的切换
         switchView.addTarget(self, action: "switchChange:", forControlEvents: UIControlEvents.ValueChanged)

         //--------------------------

         //创建进步控件
         var stepperView:UIStepper = UIStepper(frame: CGRectMake(, , , ))

         //添加到视图上
         self.view.addSubview(stepperView)

         //设置最小值，默认是0.0
         stepperView.minimumValue = 

         //设置最大值，默认是100.0
         stepperView.maximumValue = 

         //设置当前值，默认是0.0
         stepperView.value = 

         //设置递增或递减的值，默认是1.0
         stepperView.stepValue =
     }

     override func didReceiveMemoryWarning() {
         super.didReceiveMemoryWarning()
         // Dispose of any resources that can be recreated.
     }

     /*
     // MARK: - Navigation

     // In a storyboard-based application, you will often want to do a little preparation before navigation
     override func prepareForSegue(segue: UIStoryboardSegue!, sender: AnyObject!) {
         // Get the new view controller using segue.destinationViewController.
         // Pass the selected object to the new view controller.
     }
     */

     //检测开关的切换的事件
     func switchChange(sender: AnyObject?)
     {
 //        var newSwitch:UISwitch = sender as UISwitch

         //2015年5月2号修改
         var newSwitch:UISwitch = sender as! UISwitch

         println(newSwitch.on)
     }