Expo

Complete guide for building beautiful apps with Expo Router — fundamentals, styling, components, navigation, animations, patterns, and native tabs.

Guidelines for creating API routes in Expo Router with EAS Hosting.

Build and distribute Expo development clients locally or via TestFlight.

Set up Tailwind CSS v4 in Expo with react-native-css and NativeWind v5 for universal styling.

Use @expo/ui/jetpack-compose to build Android native views with Jetpack Compose in Expo SDK 55.

Use @expo/ui/swift-ui to build iOS native views with SwiftUI in Expo SDK 55.

Implementing network requests in Expo — fetch API, React Query, SWR, error handling, caching, offline support, and Expo Router data loaders.

Use Expo DOM components to run web code in a webview on native and as-is on web — migrate web code to native incrementally.

Write EAS workflow YAML files for Expo projects — CI/CD pipelines and deployment automation in .eas/workflows/.

Deploying Expo apps to iOS App Store, Android Play Store, web hosting, and API routes.

Guidelines for upgrading Expo SDK versions — New Architecture, React 19, React Compiler, and native tabs migrations.