Learn REACT-NATIVE with Real Code Examples

Build a to-do list app

Create a chat app with real-time updates

Integrate REST or GraphQL API

Use Redux for state management across screens

Implement push notifications and camera access

Ensure Metro bundler is running

Check platform-specific issues in logs

Resolve native dependency linking problems

Verify correct simulator/device setup

Use React DevTools for component inspection

Use Jest for unit testing

Use React Native Testing Library for component tests

End-to-end testing with Detox or Appium

Test on multiple devices and OS versions

Mock APIs for reliable testing

Publish to App Store (iOS) and Google Play (Android)

Use CodePush for OTA updates

CI/CD with Fastlane for automated builds

Monitor releases with Sentry or Firebase Crashlytics

Optimize bundle size and assets for performance

React Native CLI / Expo

React Navigation for routing

Redux / MobX / Context API for state management

Axios / Fetch API for networking

Native Modules and libraries from NPM

Firebase for backend services

GraphQL via Apollo Client

Push notifications via OneSignal or Firebase

Maps and geolocation

Camera, sensors, and native device APIs

Use reusable components and hooks

Optimize FlatList for large datasets

Use fast refresh for iterative development

Leverage TypeScript for type safety

Profile and optimize performance early

Debugging platform-specific issues

Managing performance and memory

Bridging to native modules when needed

Keeping up with fast-evolving ecosystem

Ensuring consistent UI across devices