axiom▌

Modern patterns for testing async/await code with Swift Testing framework.

Core principle 85% of networking problems stem from misunderstanding connection states, not handling network transitions, or improper error handling—not Network.framework defects.

Core principle 85% of navigation problems stem from path state management errors, view identity issues, or placement mistakes—not SwiftUI defects.

Systematic troubleshooting for AVFoundation camera issues: frozen preview, wrong rotation, slow capture, session interruptions, and permission problems.

Comprehensive guide to App Intents framework for exposing app functionality to Siri, Apple Intelligence, Shortcuts, Spotlight, and other system experiences. Replaces older SiriKit custom intents with modern Swift-first API.

Core principle: Choose the right sync technology for the data shape, then implement offline-first patterns that handle network failures gracefully.

StoreKit 2 is Apple's modern in-app purchase framework with async/await APIs, automatic receipt validation, and SwiftUI integration. This reference covers every API, iOS 18.4 enhancements, and comprehensive WWDC 2025 code examples.

Advanced query patterns and schema composition techniques for SQLiteData by Point-Free. Built on GRDB and StructuredQueries.

SwiftData (Before)

Use when: