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1,CABasicAnimation类只有三个属性:
(1)改变透明度动画(逐渐消失)
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let animation = CABasicAnimation(keyPath: "opacity")animation.fromValue = 1.0animation.toValue = 0.0animation.duration = 3.0self.imageView.layer.addAnimation(animation, forKey: "Image-opacity")self.imageView.alpha = 0 |
(2)从小变大动画(还原为默认尺寸)
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let animation = CABasicAnimation(keyPath: "bounds.size")animation.fromValue = NSValue(CGSize: CGSizeMake(2.0, 2.0))animation.toValue = NSValue(CGSize: self.imageView.frame.size)animation.duration = 3.0self.imageView.layer.addAnimation(animation, forKey: "Image-expend") |
Swift - 使用CABasicAnimation实现动画效果
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原文地址:http://www.cnblogs.com/Free-Thinker/p/4843449.html