WWDC21 Sample Code

Accessibility

• Create Accessible Experiences for watchOS
• Creating Accessible Views
• WWDC21 Challenge: Large Text Challenge
• WWDC21 Challenge: Speech Synthesizer Simulator
• WWDC21 Challenge: VoiceOver Maze

Audio & Video

• Applying Biquadratic Filters to a Music Loop
• Building a Custom Catalog and Matching Audio
• Creating an Audio Device Driver
• Creating an Audio Server Driver Plug-in
• Playing Video Content in a Standard User Interface
• Supporting Coordinated Media Playback
• Working with Overlays and Parental Controls in tvOS

App Services

• Booking Rides with SiriKit
• Build Mail App Extensions
• Delivering Rich App Experiences with Haptics
• Implementing a Store In Your App Using the StoreKit API
• Implementing Proximity-Based Interactions Between Devices
• Implementing Spatial Interactions with Third-Party Accessories
• Loading and Displaying a Large Data Feed
• Offering Apple Pay in Your App
• Providing Hands-Free App Control with Intents
• Soup Chef: Accelerating App Interactions with Shortcuts
• Using MusicKit to Integrate with Apple Music

Augmented Reality

• Building an Immersive Experience with RealityKit
• Creating a Photogrammetry Command-Line App
• Taking Pictures for 3D Object Capture
• Tracking Geographic Locations in AR
• WWDC21 Challenge: Framework Freestyle

Business and Distribution

• Displaying an Indoor Map

Developer Tools

• SlothCreator: Building DocC Documentation in Xcode

Graphics & Games

• Adding Recurring Leaderboards to Your Game
• Control the Ray Tracing Process Using Intersection Queries
• Creating a Game with SceneUnderstanding
• Processing HDR Images with Metal
• Recording and Streaming Your macOS App
• Rendering Fractals using Function Pointers and Stitching with Dynamic Libraries
• Rendering Reflections in Real Time Using Ray-Tracing
• Supporting Game Controllers

Health & Fitness

• Accessing Data from a SMART Health Card
• Build a Workout App for Apple Watch

ML & Vision

• Applying Matte Effects to People in Images and Video
• Classifying Live Audio Input with a Built-in Sound Classifier
• Locating and Displaying Recognized Text

Photos & Camera

• AVCam: Building a Camera App
• AVCamBarcode: Detecting Barcodes and Faces
• Selecting Photos and Videos in iOS

Privacy & Security

• Connecting to a Service with Passkeys
• Simplifying User Authentication in a tvOS App

Safari & Web

• Adopting Declarative Content Blocking in Safari Web Extensions
• Adopting New Safari Web Extension APIs

Swift

• Updating an App to Use Swift Concurrency

SwiftUI & UI Frameworks

• Add Rich Graphics to Your SwiftUI App
• Adjust Your Layout with Keyboard Layout Guide
• Adopting Drag and Drop in a Table View
• Building High-Performance Lists and Collection Views
• Building a Great Mac App with SwiftUI
• Building and Improving Your App with Mac Catalyst
• Customize and Resize Sheets in UIKit
• Fruta: Building a Feature-Rich App with SwiftUI
• Navigating an App’s User Interface Using a Keyboard
• Organize Your User Interface with a Stack View
• Restoring Your App’s State
• Using Suggested Searches with a Search Controller
• Using TextKit 2 to Interact with Text

System Services

• Connecting a Network Driver
• Displaying Human-Friendly Content
• Encrypting and Decrypting a Single File
• Encrypting and Decrypting a String
• Encrypting and Decrypting Directories
• Implementing Interactions Between Users in Close Proximity
• Interacting with Bluetooth Peripherals During Background App Refresh
• Receiving Voice and Text Communications on a Local Network
• Sharing CloudKit Data with Other iCloud Users
• Sharing Your Location to Find a Park
• Showcase App Data in Spotlight
• Synchronizing a Local Store to the Cloud
• Syncing Files on macOS