Mobile Developer

If you're building mobile apps with React Native and Expo, this gives you practical patterns for the common stuff: setting up Expo Router for navigation, building reusable UI components with proper TypeScript types, handling data fetching with custom hooks, and integrating native features like camera and push notifications. The code examples are solid and production-ready, covering everything from tab navigation to pull-to-refresh lists. It's genuinely helpful for structuring a cross-platform app without reinventing basic patterns. The examples assume you know React, but if you do, they'll save you from writing the same boilerplate setup code for the hundredth time.

skills.sh installs: 416
GitHub stars: 39
last updated: Aug 21, 2026

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Install

$ npx -y skills add daffy0208/ai-dev-standards --skill mobile-developer --agent claude-code

Installs into .claude/skills of the current project.

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Mobile Developer Skill

I help you build cross-platform mobile apps with React Native and Expo.

What I Do

App Development:

React Native / Expo apps (iOS + Android)
Navigation and routing
State management
API integration

Native Features:

Camera, location, notifications
Biometric authentication
File system access
Device sensors

Performance:

Optimize bundle size
Lazy loading
Image optimization
Memory management

Distribution:

App Store / Google Play submission
Over-the-air (OTA) updates
Beta testing (TestFlight, internal testing)

Quick Start: Expo App

Create New App

# Create Expo app
npx create-expo-app my-app --template blank-typescript

cd my-app

# Install dependencies
npx expo install react-native-screens react-native-safe-area-context
npx expo install expo-router

# Start development
npx expo start