iOS-自适应布局(大小类),尽可能早地一次获取数据,并将UIView放置在viewcontrollers视图中心 [英]iOS - Adaptive layout (Size classes) Fetch Data as early as possible, one time and place a UIView in viewcontrollers views center
不同iDevices的自适应布局UICollectionViewCell大小 [英]Adaptive Layout UICollectionViewCell Size for Different iDevices