OrchardNest

Tour the latest updates to the SF Symbols app — our interactive library for iconography. Learn how you can use the library to design accessible and inclusive apps that look incredible: We’ll take you through changes to the app and symbols...

Discover how you can incorporate SF Symbols into your SwiftUI app. We’ll explore basic techniques for presenting symbols, customizing their size, and showing different variants. We’ll also take you through the latest updates to symbol...

Unit testing is an essential tool to consistently verify your code works correctly. Discover techniques for designing the code of your app so that it can be easily tested. Find out the best practices for developing a test suite that...

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 supports rich first-class value types in the form of powerful structs, which provide new ways to architect your apps. Learn about the differences between reference and value types, how value types help you elegantly solve common...

Learn about the dyld dynamic linker used on Apple platforms, how it's changed over the years, and where it's headed next. Find out how improved tooling makes it easier to optimize your app's launch time, and see how new changes coming in...

Make your app stand out from the competition with a compelling, yet familiar, user interface, and custom controls that match your app's personality and effectively reveal it's key features. Learn advanced Core Animation techniques such as...

Move beyond the basics and unlock the full power of Text Kit for advanced text handling in your apps. Understand how to use hit detection and pixel-perfect layout information for responding to user touches. Discover new text effects,...

Xcode 7 introduces new UI testing features fully integrated into the IDE. Learn about the new APIs and how UI testing fits in with existing testing features in Xcode. See how to get started by recording your app, and how to efficiently...

GameplayKit provides a collection of essential tools and techniques used to implement gameplay logic. Get introduced to the GameplayKit framework and see how to put its capabilities to work in your own titles. Learn about managing state...

Experience with past projects can help you do better work in the future if you can draw out the right lessons from what's happened. Hear stories and gain valuable insights from a senior engineer, with a lot of Apple software development...

Whether you're new to optimizing your app's performance or a seasoned veteran, learn about the new version of Instruments. See the new workflows, tools, and tips that will help you analyze and refine your app as it adopts the latest Apple...

Dive deep into CloudKit! Learn how to perform advanced operations on records and store private data and gain a deeper understanding about custom record zones, ensuring data integrity, and effectively modeling your data.

The new Unified Logging and Tracing System for iOS and macOS uses Activity Tracing for performance, consolidates kernel and user-space logging, and has many other improvements. Learn how Logging and Tracing can help you debug and...

At the heart of Swift's design are two incredibly powerful ideas: protocol-oriented programming and first class value semantics. Each of these concepts benefit predictability, performance, and productivity, but together they can change the...

Discover UI debugging and how to use advanced breakpoint actions to quickly explore and fix your app. Learn how the new Address Sanitizer feature finds buffer overflows, use-after-free errors, and other memory corruption bugs at run time.

Text Kit is the powerful new text engine and API in iOS 7, providing sophisticated text handling and typesetting capabilities. Learn about Text Kit and how easy it can be to manipulate text on the fly, adjust text attributes, and apply the...

SceneKit is a fast and fully featured high-level 3D graphics framework that enables your apps and games to create immersive scenes and effects. See the latest advances in camera control and effects for simulating real camera optics...

The CoreBluetooth framework lets your iOS applications communicate with Bluetooth Low Energy devices over a personal area network (PAN). Learn about the Bluetooth LE technology and the APIs we provide for designing apps that connect to a...

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.

Text is an essential part of your application's interface. Get an introduction to the concepts behind manipulating and drawing attributed strings on iOS. Learn how UIKit has adopted attributed strings to make creating text effects even...

CloudKit is the framework that powers iCloud on iOS and OS X, now available directly in your app. Learn how you can take advantage of its feature-rich API to store and query your own custom data and assets in iCloud.

Learn how Swift can help you define away some common pitfalls in app development, allowing your apps to benefit from safer runtime behavior while enjoying strong guarantees provided by Swift at compile-time. Hear about how API availability...

Great performance is a prerequisite for delivering a compelling and immersive app experience that keeps users engaged. Learn best practices and strategies for characterizing and improving the performance of your code for iPhone, iPad, and...

GameplayKit provides developers a collection of essential tools and techniques used to implement modern gameplay algorithms. Learn what's new in GameplayKit and check out advances in pathfinding, autonomous agents, and game AI, as well as...

Dive deeper into advanced techniques when using attributed strings on iOS 6. Learn about kerning, ligatures, and other advanced typographical features of string drawing to create compelling text effects.

Learn how to make your apps faster and more efficient in this introduction to Time Profiler in Instruments. Walk through how to use Time Profiler to measure your app's performance. Learn how Time Profiler works and can be used to identify...

Get the most out of iOS's frameworks by understanding their core idioms and expectations. Learn about pervasive design patterns like "Model, View, Controller", Target/Action, Delegation and others used throughout Cocoa Touch. Gain...

Building on last year's Protocol-Oriented Programming and Building Better Apps with Value Types sessions, this year's session will highlight tips and tricks for building better Swift apps. See how you can incorporate these design...

Learn how to fluidly transition interactive UI elements from gesture-driven control to animated transitions. Take advantage of new iOS 8 behavior to smoothly transition between several animations on the same view. Discover architectural...

Operations are a flexible way to model your app's business logic, but they can do so much more. See how NSOperation forms the heart of the WWDC app, and how using features like dependencies, readiness, and composition allow you to quickly...

macOS 10.13 and iOS 11 have reinvented how Grand Central Dispatch and the Darwin kernel collaborate, enabling your applications to run concurrent workloads more efficiently. Learn how to modernize your code to take advantage of these...