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<td valign="top">[[File:ios_11_app_development_essentials.png|Click to Read iOS 11 App Development Essentials|link=iOS App Development Essentials]]<td>The aim of [[iOS App Development Essentials|iOS 11 App Development Essentials]] is to teach you the skills necessary to build your own applications for the iPhone and iPad using Xcode 9, the iOS 11 SDK and the Swift 4 programming language. Beginning with the basics, this book provides an overview of the architecture of iOS 11. Introductions to Xcode 9 and programming in Swift 4 are provided followed by an in-depth look at the design of iOS applications and user interfaces. More advanced topics such as user interface layout, file handling, database management, graphics drawing and animation are also covered, as are touch screen handling, multitasking, in-app purchasing, iCloud storage, CloudKit, App Extensions, camera access and video playback. Other features are also covered in detail including 2-D game development using Sprite Kit, user interface animation using UIKit Dynamics, Siri integration , and drag and drop support.