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下面演示如何创建开关,以及监听它值的改变,代码如下:
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class ViewController: UIViewController { var uiswitch:UISwitch!; override func viewDidLoad() { super.viewDidLoad() uiswitch = UISwitch() //设置位置(开关大小无法设置) uiswitch.center=CGPointMake(100,50); //设置默认值 uiswitch.on=true; uiswitch.addTarget(self, action: Selector("switchDidChange"), forControlEvents:UIControlEvents.ValueChanged) self.view.addSubview(uiswitch); } func switchDidChange(){ //打印当前值 println(uiswitch.on) }} |
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原文地址:http://www.cnblogs.com/Free-Thinker/p/4838146.html