Learn REACT-NATIVE with Real Code Examples
Updated Nov 27, 2025
Performance Notes
Use FlatList or SectionList for large lists
Avoid unnecessary re-renders with memo or PureComponent
Optimize images and assets
Use native modules for heavy computations
Enable Hermes engine for JavaScript performance
Security Notes
Secure API keys and sensitive data
Validate inputs and sanitize outputs
Use HTTPS for network requests
Implement secure storage for tokens
Follow platform security guidelines for iOS and Android
Monitoring Analytics
Integrate Sentry or Bugsnag for error reporting
Use Firebase Analytics for usage tracking
Monitor performance with Flipper or React DevTools
Log network requests for debugging
Use crash reports to optimize stability
Code Quality
Follow React and JavaScript/TypeScript best practices
Write unit and integration tests
Modularize components and screens
Use code linters and formatters
CI/CD pipelines for testing and deployment