一. CALayer:
1. 功能:①阴影、圆角、带颜色的边框 ②3D变换 ③非矩形范围 ④透明遮罩 ⑤多级非线性动画
2. 概念上与UIView类似,但不处理用户交互
二. 寄存图:
1. layer contents:
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代码事例:
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2. Core Graphics绘制:
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代码事例:
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运行结构:
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代码地址:https://github.com/lsysundy/CoreAnimationTest
参考来自:iOS Core Animation Advanced Techniques
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