当用户在进行快速滑动的过程中,这些内容信息可能是用户并不感兴趣的,这个时候的加载就是完全没必要的。而且也浪费内存和消耗性能。
利用lazy加载技术,当界面滑动或者滑动减速的时候,都不进行图片加载,只有当用户不再滑动并且减速效果停止的时候,才进行加载。
项目中,利用了SD_WebImage与AFNetwork 来做的
UITableview中图片懒加载,滑动中不进行加载图片
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