Изучите iOS Devolopmentдля разработчиков iosЛучшие уроки ios Swift
Xcode Overview
TableView
Auto Layout in iOS
Software Design Patterns and Principles
Iphone Gestures
Swift Bounds vs. Frame
iOS Concurrency and Threading
Retain Cycle, Automatic Reference, Memory Leak
Weak and Unowed Self Closure
Closures in Swift