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ios - 渐变层不适用于横向模式。 swift

转载 作者:搜寻专家 更新时间:2023-11-01 05:48:42 25 4
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我在我看来添加了一个渐变层,它在纵向模式下工作完美,但在横向模式下不工作。

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 func createGredientBackground() {

let layer = CAGradientLayer()
let center = UIColor(red: 249 / 255, green: 150 / 255, blue: 107 / 255, alpha: 1).CGColor
let end = UIColor(red: 247 / 255, green: 93 / 255, blue: 89 / 255, alpha: 1).CGColor
let start = UIColor(red: 255 / 255, green: 229 / 255, blue: 180 / 255, alpha: 1).CGColor

layer.colors = [start, center,end]
layer.frame = self.view.bounds //self.view.frame
print(layer.frame)
layer.startPoint = CGPointMake(0.0, 0.5)
layer.endPoint = CGPointMake(1.0, 0.5)

self.view.layer.insertSublayer(layer, atIndex: 0)

}

谢谢。

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