1, the creation of the slider
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var slider= UISlider (frame: CGRectMake (0,0,300,50)) slider.center= self .view.center slider.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
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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
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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
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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
)
|
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//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 imgTrackRight = UIImage (named: "slider_max" ) let imgRight = imgTrackRight!.stretchableImageWithLeftCapWidth(14, topCapHeight:0) slider.setMaximumTrackImage(imgRight, forState: UIControlState . Normal ) |
Use of Swift-slider (uislider)