iOS自定义滑块从两端删除最小和最大空间 [英] iOS Custom Slider remove min and max space from both ends
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问题描述
我正在尝试使用制作自定义滑块
I'm trying to make custom slider using
class MySlider: UISlider {
override func trackRect(forBounds bounds: CGRect) -> CGRect {
let customBounds = CGRect(origin: bounds.origin, size: CGSize(width: bounds.size.width, height: 5.0))
super.trackRect(forBounds: customBounds)
return customBounds
}
}
更新了故事板上的拇指/最大/最小色调颜色
Updated thumb/max/min tint colour from storyboard
问题是需要从两端移除最小和最大空间,如图所示.我该怎么做?
The problem is need to remove min and max space from both ends as shown in pics. How i can do that?
推荐答案
我能够实现此操作而无需子类化:
I was able to achieve this without subclassing:
通过IB设置缩略图色调:Default
@IBOutlet weak var slider: MySlider!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
let size = CGSize(width: 1 , height: 1)
UIGraphicsBeginImageContext(size)
let finalImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
slider.setThumbImage(finalImage, for: .normal)
}
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