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Jeffallan
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react-native-expert

Provides expert guidance for building React Native apps with Expo.

10.9k|1.0k|Updated Oct 20, 2025
Search Tags:#testing#platform#navigation#React Native#Expo#FlatList
One-click install
npx skills add https://github.com/Jeffallan/claude-skills --skill react-native-expert-jeffallan
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: react-native-expert
Source: https://github.com/Jeffallan/claude-skills/tree/main/skills/react-native-expert
Command: npx skills add https://github.com/Jeffallan/claude-skills --skill react-native-expert-jeffallan

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill covers advanced React Native app development with Expo, navigation, and performance optimizations.

Core Features & Use Cases

  • Navigation: React Navigation and Expo Router patterns.
  • Platform Handling: Platform-specific code and safe area handling.
  • Lists & Performance: FlatList optimizations and virtualization.
  • Storage & DX: AsyncStorage/MMKV usage and DX improvements.
  • Testing: Cross-platform testing considerations.

Quick Start

Create a simple screen with navigation and a FlatList that renders 100 items efficiently.

Frequently Asked Questions about react-native-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a performant React Native app with FlatList and Expo?▼

FlatList with memoization and virtualization optimizes rendering in React Native apps. Use useCallback for handlers, implement keyExtractor, and enable removeClippedSubviews to handle large datasets efficiently in Expo projects.

What's the best way to handle platform-specific code in React Native?▼

Platform-specific files (.ios.js, .android.js) and the Platform module let you write distinct code paths for iOS and Android. Pair this with SafeAreaView and KeyboardAvoidingView to manage layout differences across platforms.

How do I set up navigation in a React Native and Expo app?▼

React Navigation and Expo Router provide routing patterns for React Native apps. Both support stack, tab, and drawer navigation; Expo Router offers file-based routing similar to Next.js for streamlined architecture setup.

Does React Native support AsyncStorage and alternative storage solutions?▼

React Native apps use AsyncStorage for simple key-value storage or MMKV for higher-performance encrypted storage. Choose based on data complexity and persistence needs in your Expo project.

Why is testing on both iOS and Android devices important for React Native apps?▼

Cross-platform testing on real iOS and Android devices catches platform-specific bugs in navigation, back handling, safe areas, and native module integration that simulators may miss in production-ready apps.

How do I optimize image loading and memory usage in React Native?▼

Image optimization in React Native includes lazy loading, resizing before display, and memory-efficient caching. Combined with FlatList virtualization and removeClippedSubviews, these prevent memory leaks in large-scale Expo apps.

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