Use of Swift-slider (UISlider)

1, the creation of the slider

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varslider=UISlider(frame:CGRectMake(0,0,300,50))slider.center=self.view.centerslider.minimumValue=0  //最小值slider.maximumValue=1  //最大值slider.value=0.5  //当前默认值self.view.addSubview(slider)

2, set the value of the slider, with animation

1	slider.setValue(0.8,animated:true)

3, slider value change response

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slider.continuous= false   //slide stops before triggering valuechanged events slider.addtarget ( self "Sliderdidchange:" uicontrolevents valuechanged )  func Sliderdidchange (slider: uislider Code class= "Swift Spaces" >     println (slider.value) }

4, the color of the left and right side slots of the slider

12	slider.minimumTrackTintColor=UIColor.redColor()  //左边槽的颜色slider.maximumTrackTintColor=UIColor.greenColor() //右边槽的颜色

5, add icon on both sides of the slider behind the slot line

12	slider.minimumValueImage=UIImage(named:"voice+")  //左边图标slider.maximumValueImage=UIImage(named:"voice-")  //右边图标

6, custom slider component picture

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//设置滑块右边部分的图片slider.setMaximumTrackImage(UIImage(named:"slider_max"),forState:UIControlState.Normal)//设置滑块左边部分的图片slider.setMinimumTrackImage(UIImage(named:"slider_min"),forState:UIControlState.Normal)//设置滑块的图片slider.setThumbImage(UIImage(named:"slider_thumb"),forState:UIControlState.Normal)

1234	//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）letimgTrackRight = UIImage(named:"slider_max")letimgRight = imgTrackRight!.stretchableImageWithLeftCapWidth(14, topCapHeight:0)slider.setMaximumTrackImage(imgRight, forState:UIControlState.Normal)

Use of Swift-slider (uislider)