import UIKit
class ViewController: UIViewController ,UITextFieldDelegate,UITextViewDelegate,UIActionSheet Delegate,UIAlertViewDelegate{
override func viewDidLoad() {
super.viewDidLoad()
let slider = UISlider ()
slider.frame = CGRectMake(10, 630, 200, 30)
slider.maximumValue = 1
slider.minimumValue = 0
slider.value = 0.8
self.view.addSubview(slider)
//设置滑块的值，同时有动画
slider.setValue(0.1, animated: true)
//滑块值改变响应
slider.continuous = true
slider.addTarget(self, action: "sliderDidChange:", forControlEvents: UIControlEvents.ValueChanged)
//滑块左右两边槽的颜色
slider.maximumTrackTintColor = UIColor.greenColor()//右槽颜色
slider.minimumTrackTintColor = UIColor.redColor()//左槽颜色
//
slider.minimumValueImage = UIImage(named: "tutu")//左图
slider.maximumValueImage = UIImage(named: "tutu")//右图
//设置滑块左右边部分的图片
slider.setMaximumTrackImage(UIImage(named: "tutu"), forState: UIControlState.Normal)
slider.setMinimumTrackImage(UIImage(named: "pianpian"), forState: UIControlState.Normal)
//设置滑块图片
slider.setThumbImage(UIImage(named: "huakuan"), forState: UIControlState.Normal)
// //设置滑块右边部分的图片-使用三宫格缩放（左右14像素不变，中间缩放）
// let imageTrackRight = UIImage(named: "ruru")
// let imgRight = imageTrackRight!.stretchableImageWithLeftCapWidth(14, topCapHeight: 0)
// slider.setMaximumTrackImage(imgRight, forState: UIControlState.Normal)
}
func sliderDidChange(slider:UISlider){
print(slider.value)
}
}