[英]How to build the UISlider automatic slide by itself in Swift?
In purpose, I want to set the UISlider
will auto slide by self to use in video player. 目的是要设置
UISlider
自行自动滑动以在视频播放器中使用。 I try to find the solution by research and follow that code, but it's still not work. 我尝试通过研究找到解决方案并遵循该代码,但是仍然无法正常工作。 Everyone have any solution with this here is my code.
每个人对此都有任何解决方案,这是我的代码。
override func awakeFromNib() {
self.sldTime.maximumValue = 10
self.sldTime.minimumValue = 0
self.sldTime.continuous = true
self.sldTime.addTarget(self, action: #selector(self.sliderAutoChange), forControlEvents: .ValueChanged)
}
func sliderAutoChange() {
let index = Float(self.sldTime.value + 1) // increase by 1
self.sldTime.setValue(index, animated: false)
print("index \(index)")
}
When I debug it, it seem like the sliderAutoChange() function do not call. 当我调试它时,似乎没有调用sliderAutoChange()函数。
If you want to change Slider
value automatically then you can use NSTimer
like this. 如果要自动更改
Slider
值,则可以使用NSTimer
这样。
override func awakeFromNib() {
self.sldTime.maximumValue = 10
self.sldTime.minimumValue = 0
self.sldTime.continuous = true
NSTimer.scheduledTimerWithTimeInterval(1, target: self, selector: #selector(self.updateSlider(_:), userInfo: nil, repeats: true)
}
func updateSlider(timer: NSTimer) {
let index = Float(self.sldTime.value + 1) // increase by 1
self.sldTime.setValue(index, animated: true)
print("index \(index)")
if self.sldTime.value >= self.sldTime.maximumValue {
timer.invalidate()
}
}
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