A full course walkthrough on building mobile apps using Claude Code as the AI coding assistant, with Expo and React Native as the development framework. Covers setting up the development environment, installing Claude Code via VS Code extension (using the Anti-Gravity IDE), and using Expo Go for live device testing via QR code. Walks through a habit tracker app as the example project, introducing a 5-step app design framework: core function, core loop, accessory features, surface area check, and retention hook. Demonstrates iterative AI-driven development from a bare scaffold to a multi-screen app with haptic feedback, sound, animations, push notifications, and a 3-day challenge onboarding flow. Also briefly compares Expo/React Native against Flutter/Firebase and Capacitor as alternative mobile development approaches.
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