运行“额外循环”之前的分配代码://loadingitemstothearray,therearenomemorywarningsafterthisiscompleted.Thefirstallocationsscreenshotisafterthiscodeandbeforeextraloopcode.NSMutableArray*albumCovers=[[NSMutableArrayalloc]init];for(MPMediaQuery*queryinqueries){NSArray*allCollections=[querycollections];for(MPMediaIt