Swift 简单控件示例:滑块(UISlider)
发布时间:2020-12-14 02:18:12 所属栏目:百科 来源:网络整理
导读:转载请声明出处:http://www.jb51.cc/article/p-pkdvamyy-ga.html ------------------------------------------------------------------------------------------ //// ViewController.swift// UISliderSample//// Created by jinnchang on 15/4/2.// Copyr
转载请声明出处:http://www.52php.cn/article/p-pkdvamyy-ga.html ------------------------------------------------------------------------------------------ // // ViewController.swift // UISliderSample // // Created by jinnchang on 15/4/2. // Copyright (c) 2015年 Jinn Chang. All rights reserved. // import UIKit class ViewController: UIViewController { var slider: UISlider! override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view,typically from a nib. slider = UISlider(frame: CGRectMake(30,50,self.view.frame.width - 60,100)) slider.value = 50 slider.minimumValue = 0 slider.maximumValue = 100 slider.continuous = true slider.addTarget(self,action: "sliderValueChange:",forControlEvents: .ValueChanged) slider.addTarget(self,action: "sliderDragUp:",forControlEvents: .TouchUpInside) self.view.addSubview(slider) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() // Dispose of any resources that can be recreated. } /// 响应滑块拖动过程连续触发的事件 func sliderValueChange(sender: UISlider) { println("value change:(sender.value)") } /// 响应滑块拖动后的事件 func sliderDragUp(sender: UISlider) { println("drag up:(sender.value)") } }------------------------------------------------------------------------------------------ GitHub 上项目地址:UISliderSample 控件更多相关属性及方法参考:UISlider Class Reference 文章最后更新时间:2015年4月3日10:52:22 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |