如何创buildiOS 9音乐应用程序中使用的模糊/颜色效果?

如何在下面的链接中实现模糊/颜色效果(我不太确定它是什么,说实话)?

谢谢!

好吧,我发布链接答案的快速版本,类似于您的要求。

你可以像下面这样做,只需要创build一个渐变图层,用你想要在渐变图层上分布的颜色,最后将渐变设置为图像视图,例如

@IBOutlet weak var aImageView: UIImageView! var theColor: UIColor? var gradientLayer:CAGradientLayer? override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. self.theColor = UIColor(colorLiteralRed: 146.0/255.0, green: 146.0/255.0, blue: 146.0/255.0, alpha: 1) self.gradientLayer = CAGradientLayer() self.gradientLayer?.frame = self.aImageView.frame let array: [AnyObject] = [(theColor?.colorWithAlphaComponent(0.1))!.CGColor, (theColor?.colorWithAlphaComponent(0.12))!.CGColor,(theColor?.colorWithAlphaComponent(0.13))!.CGColor, (theColor?.colorWithAlphaComponent(0.74))!.CGColor, (theColor?.colorWithAlphaComponent(0.82))!.CGColor, (theColor?.colorWithAlphaComponent(1.0))!.CGColor] gradientLayer?.colors = array; aImageView.layer .addSublayer(gradientLayer!); } 

试试把样品项目放进去,结果如下图

在这里输入图像说明