Automatic play video & cache video data in UITableView like Weibo and Douyin.
add scheme explanatory note.
1.fixed maybe cannot play those videos that size is little . 2.add manage cache API, contain clear all cache and clear the cache for given url.
Fixed player still playing after the showView was dealloc. Use AOP observe view's dealloc, when observe the dealloc view is the showView, the player will release play resource and stop play.
Avoid notification center add self as observer again and again that maybe lead to block. thank for @菜先生 commit this question.
UITableView
.UITableViewCell
in screen center when scrolling