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LNAsyncKit

简介

LNAsyncKit是一个异步渲染框架:An async feed stream framework.

  • 提供了便捷的方法帮助你将多个元素(Element)异步渲染到一张图片上,让这个过程代替UIKit的视图构建过程,进而优化App性能。
  • 提供预加载策略帮助你在Feed流中弥补异步渲染带来的延时。
  • 提供更优雅的方式让主线程与子线程交互,并能根据机器状态控制并发数和主线程回调时机。

你可以直接下载这个链接并运行上面的Demo参考代码实现自己的异步列表,也可以直接使用Cocoapods👇

pod 'LNAsyncKit'

它可以提供哪些帮助

  • 还没有找到方案优化圆角、边框、渐变的优化方案,LNAsyncKit可以异步解决这些。
  • Feed流需要预加载策略,LNAsyncKit提供预加载区域计算方案(这个方案也用来预合成)。
  • 提供一种与UIKit十分接近的方式构建需要预合成的图层,让你的复杂图层构建都放在子线程进行,且不会创建那么多UIView。
  • 一套AFNetworking/SDWebImage/IGListKit/YYModel/MJRefresh + LNAsyncKit 搭建完整Feed流的流程。

使用效果:

69ZH7q.jpg

变成:

69ZqA0.jpg

优势:

  • 减少视图层级。
  • 异步绘制圆角、边框、渐变。
  • 图片尺寸和控件尺寸一致。
  • 异步布局。
  • 预加载策略。
  • 与UIKit几乎一致的视图搭建模式。

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