System Trace in Depth

Direct onscreen manipulation is the cornerstone of the user experience on iOS. iOS 10 includes new support for making onscreen interactions even more immersive and interactive. Dive straight into the philosophy and techniques of building completely interactive, interruptible animations in your apps.

CloudKit keeps app data updated across iOS, macOS, watchOS, tvOS, and the web so you can focus on building your app. Hear best practices from the CloudKit engineering team about how to take advantage of the APIs and push notifications in order to provide your users with the best experience. Learn about the ways Apple apps use CloudKit and how you can apply the same approaches in your app.

Swift 3 introduces new API Design Guidelines specifically crafted to the unique character of Swift for clear, concise code. This talk will explore the philosophy behind the Swift API Design Guidelines and their application throughout the Swift Standard Library and the Cocoa and Cocoa Touch APIs. See how this API transformation will affect your Swift code and learn how to ensure a smooth transition to Swift 3. Learn how Swift 3 imports Objective-C APIs and how to expose rich Swift interfaces for existing Objective-C libraries.

In this advanced session, find out how structs, classes, protocols, and generics are implemented in Swift. Learn about their relative costs in different dimensions of performance. See how to apply this information to speed up your code.