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Josscii/iOS 分页调研.md

Created September 15, 2017 07:29
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iOS 分页调研
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iOS 分页调研.md

iOS 分页调研

最近在实现 iOS 中分页的时候，看了一下各大新闻 app 中的方案，初步总结如下：

今日头条

collectionView + 数据缓存的方案 + 没有 contentOffset 缓存

腾讯新闻

UIScrollView + 子视图 + 不控制视图数量，没有缓存机制

网易新闻

UIScrollView + 子视图 + 缓存机制，每个页面有自己的缓存时间，过期后会被销毁，并且会预加载视图，保证前一个，当前，后一个的存在。

UC 头条

UIScrollView + 子视图 + 只保证前一个，当前，后一个的存在，预加载缓存。

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