RecycleView的四级缓存是由三个类共同作用完成的,Recycler、RecycledViewPool和ViewCacheExtension。Recycler用于管理已经废弃或者与RecyclerView分离的ViewHolder,这里面有两个重要的成员,为可以看见的屏幕的内部缓存成员mAttachedScrap、mChangedScrap和滑出屏幕外的外部缓存成员mCachedViews二者共同完成ViewHolder的缓存;RecycledViewPool类是用来缓存整体所有的ViewHolder,是对mCachedViews缓存的补充;ViewCacheExtension是扩展内的缓存对象,默认不加载,需实现方法getViewForPositionAndType(Recycler recycler, int position, int type)来实现自己的缓存。接下来对四级缓存一步步介绍。
Your local changes to the following files would be overwritten by merge: protected/config/main.php Please, commit your changes or stash them before you can merge. --------------------- 作者:陈小峰_iefreer 来源:CSDN 原文:https://blog.csdn.net/iefreer/article/details/7679631 版权声明:本文为博主原创文章,转载请附上博文链接!