[英]Change height of UIProgressView (Bar style) in Swift
我在Swift 2.2中創建了一個UIProgressView(欄樣式),現在想更改其高度。 其他一些帖子建議使用CGAffineTransformScale
更改高度。 但是,由於某種原因,這種方法似乎不起作用,因為它對UIProgressView的高度沒有任何影響。
在下面,您將找到我的代碼:
let progressBar = UIProgressView(progressViewStyle: .Bar)
progressBar.progress = 0.5
progressBar.translatesAutoresizingMaskIntoConstraints = false
progressBar.transform = CGAffineTransformScale(progressBar.transform, 1, 20)
self.navigationItem.titleView = progressBar
感謝您的幫助,非常感謝!
您可以UIProgressView
子類,並添加height
屬性:
結果:
import UIKit
class CustomProgressView: UIProgressView {
var height:CGFloat = 1.0
// Do not change this default value,
// this will create a bug where your progressview wont work for the first x amount of pixel.
// x being the value you put here.
override func sizeThatFits(_ size: CGSize) -> CGSize {
let size:CGSize = CGSize.init(width: self.frame.size.width, height: height)
return size
}
}
在vc
,初始化customProgressvView
,然后設置height
:
import UIKit
class ViewController2: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
let progressBar = CustomProgressView(progressViewStyle: .bar)
progressBar.progress = 0.5
progressBar.height = 10.0
self.navigationItem.titleView = progressBar
}
}
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