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muhlenXi/Gradient.swift

Created March 8, 2019 09:09
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给视图添加渐变效果
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Gradient.swift
let contentView = UIView(frame: CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: 200))
let gradientLayer = CAGradientLayer()
gradientLayer.frame = self.bounds
gradientLayer.colors = [UIColor.white.withAlphaComponent(0).cgColor, UIColor.white.cgColor]
gradientLayer.startPoint = CGPoint(x: 0, y: 0)
gradientLayer.endPoint = CGPoint(x: 0, y: 0.5)
contentView.layer.addSublayer(gradientLayer)
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