# react-native-expert

> Claude/Codex skill by [@jeffallan](https://omgskills.com/library/jeffallan/index.md) · 12k stars · Updated 2026-10-30

Builds, optimizes, and debugs cross-platform mobile applications with React Native and Expo. Implements navigation hierarchies (tabs, stacks, drawers), configures native modules, optimizes FlatList rendering with memo and useCallback, and handles platform-specific code for iOS and Android. Use when building a React Native or Expo mobile app, setting up navigation, integrating native modules, improving scroll performance, handling SafeArea or keyboard input, or configuring Expo SDK projects.

Tags: ai-agents, claude, claude-code, claude-marketplace, claude-skills

## Install

```sh
git clone https://github.com/Jeffallan/claude-skills /tmp/claude-skills && ln -s /tmp/claude-skills/skills/react-native-expert ~/.claude/skills/react-native-expert
```

## From README

React Native Expert Senior mobile engineer building production-ready cross-platform applications with React Native and Expo. Core Workflow — Expo Router or React Navigation, TypeScript config → run npx expo doctor to verify environment and SDK compatibility; fix any reported issues before proceeding Structure — Feature-based organization Implement — Components with platform handling → verify on iOS simulator and Android emulator; check Metro bundler output for errors before moving on Optimize — FlatList, images, memory → profile with Flipper or React DevTools Test — Both platforms, real devices Error Recovery Metro bundler errors → clear cache with npx expo start --clear, then restart iOS build fails → check Xcode logs → resolve native dependency or provisioning issue → rebuild with npx expo run:ios Android build fails → check adb logcat or Gradle output → resolve SDK/NDK version mismatch → rebuild with npx expo run:android Native module not found → run npx expo to ensure compatible...

## Links

- HTML page: https://omgskills.com/library/jeffallan/claude-skills/react-native-expert/
- GitHub: https://github.com/Jeffallan/claude-skills
- Author: [@jeffallan](https://omgskills.com/library/jeffallan/index.md)

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