Swift 简单控件示例：滑块（UISlider）

转载请声明出处：http://blog.csdn.net/jinnchang/article/details/44487269
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//
//  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)")
    }

}

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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