http://blog.csdn.net/wangxiaobupt/article/details/47035423
UIProgressView
显示一个UIProgressView
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import UIKit
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class ViewController: UIViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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let progressView = UIProgressView(progressViewStyle: .Bar)
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progressView.center = view.center
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progressView.progress = 20.0/30.0
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progressView.trackTintColor = UIColor.lightGrayColor()
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progressView.tintColor = UIColor.blueColor()
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view.addSubview(progressView)
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}
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}
效果如下:
UISlider
显示一个UISlider
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import UIKit
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class ViewController: UIViewController {
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var slider: UISlider!
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override func viewDidLoad() {
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super.viewDidLoad()
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slider = UISlider(frame: CGRect(x: 0, y: 0, width: 200, height: 23))
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slider.center = view.center
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slider.minimumValue = 0
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slider.maximumValue = 100
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slider.value = slider!.maximumValue / 2.0
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view.addSubview(slider)
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}
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}
效果如下:
给UISlider添加事件
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import UIKit
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class ViewController: UIViewController {
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var slider: UISlider!
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func sliderValueChanged(slider: UISlider){
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print("Slider's new value is \(slider.value)")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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slider = UISlider(frame: CGRect(x: 0, y: 0, width: 200, height: 23))
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slider.center = view.center
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slider.minimumValue = 0
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slider.maximumValue = 100
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slider.value = slider!.maximumValue / 2.0
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slider.addTarget(self,
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action: "sliderValueChanged:",
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forControlEvents: .ValueChanged)
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view.addSubview(slider)
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}
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}
定制简单的UISlider
设置了不同状态下,滑块的图片。
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import UIKit
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class ViewController: UIViewController {
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var slider: UISlider!
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override func viewDidLoad() {
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super.viewDidLoad()
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slider = UISlider(frame: CGRect(x: 0, y: 0, width: 200, height: 23))
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slider.center = view.center
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slider.minimumValue = 0
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slider.maximumValue = 100
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slider.value = slider!.maximumValue / 2.0
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slider.setThumbImage(UIImage(named: "ThumbNormal"), forState: .Normal)
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slider.setThumbImage(UIImage(named: "ThumbHighlighted"), forState: .Highlighted)
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view.addSubview(slider)
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}
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}
效果如下:
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