Swift_Slider

//

//  ViewController.swift

//  Swift_Slider

//

//  Created by HarrySun on 16/7/19.

//  Copyright © 2016年 Mobby. All rights reserved.

//

import UIKit

class ViewController: UIViewController {

    var mySlider =UISlider()

    

    

    overridefunc viewDidLoad() {

        super.viewDidLoad()

        

        mySlider =UISlider(frame:CGRectMake(50,300, 300,50))

        mySlider.backgroundColor =UIColor.yellowColor()

        mySlider.minimumValue =0     //设置滑块最小值

        mySlider.maximumValue =100     //设置滑块最大值

        mySlider.value =20     //设置默认值

        mySlider.continuous =true      //设置是否联系出发事件

//        mySlider.setMinimumTrackImage(UIImage(named: "zuoshitu"), forState: UIControlState.Normal)      //设置滑块左边的图片

//        mySlider.setMaximumTrackImage(UIImage(named: "youshitu"), forState: UIControlState.Normal)      //设置滑块右轨的图片

        

        mySlider.minimumTrackTintColor =UIColor.greenColor()

        mySlider.maximumTrackTintColor =UIColor.redColor()

        

        mySlider.setThumbImage(UIImage(named:"zuoshitu"), forState: UIControlState.Normal)   // 设置滑块的图片

        // 注意这里要加UIControlStateHightlighted的状态，否则当拖动滑块时滑块将变成原生的控件

        mySlider.setThumbImage(UIImage(named:"youshitu"), forState: UIControlState.Highlighted)

        mySlider.minimumValueImage =UIImage(named: "zuoshitu")// 设置 slider左侧图片

        mySlider.maximumValueImage =UIImage(named: "youshitu")// 设置 slider右侧图片

        mySlider.addTarget(self,action:#selector(ViewController.sliderValueChange(_:)), forControlEvents: UIControlEvents.ValueChanged)       // 添加控制事件

        mySlider.addTarget(self,action:#selector(ViewController.sliderDragUp(_:)), forControlEvents: UIControlEvents.TouchUpInside)

        

        self.view.addSubview(mySlider)

    }

    overridefunc didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

    

    // 滑块拖动时的事件

    func sliderValueChange(sender:UISlider) {

        

        print("拖动时：Value:\(sender.value)")

    }

    // 滑块拖动后的事件

    func sliderDragUp(sender:UISlider) {

        

        print("拖动后：Value:\(sender.value)")

    }

    

}