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cover of episode 739. iOS UICollectionView- The Complete Guide Second Edition-4-1

739. iOS UICollectionView- The Complete Guide Second Edition-4-1

2016/9/16

iOSDevLog

Shownotes Transcript

http://v.youku.com/v_show/id_XMTcyNzE2MjQwNA==.html继承 UICollectionViewFlowLayout显示 DecorationView 装饰图，也可以理解为背景图实现动画效果