Expo Constants, Expo Device & React Native Platform API Explained (Beginner’s Guide 2025)

Want to know how to access app info, device details, and platform-specific logic in your React Native projects? 📱🚀 In this video, we’ll break down three important APIs: expo-constants → get app config & build details expo-device → access hardware and OS information Platform (React Native) → detect iOS, Android, or Web This guide will help you understand when to use each module and how they work together in Expo projects. 🚀 What You'll Learn: What is expo-constants and its common properties How expo-device gives you hardware & OS details Using Platform.OS to detect iOS, Android, or Web Real-world use cases for responsive layouts & debugging Example code for combining all three APIs 🧰 Tools & APIs Covered: expo-constants expo-device react-native/Platform 🎯 Who Should Watch: React Native beginners using Expo Developers building cross-platform apps Anyone needing device-specific or platform-specific logic Teams working with Expo SDK in 2025 ▶️ Watch Full Playlist: 📺 React Native Mastery Course – Coding 4 Dev https://www.youtube.com/playlist?list=PLEnLIMmMxb5pA3Wh9U_Hm5md9fbbm8Px5 📚 Resources & Links: 🔗 GitHub (Source Code + Notes): https://github.com/coding4dev 🌐 Official Website: https://coding4dev.boadtechnologies.com 📸 Instagram: https://instagram.com/coding_4_dev 🐦 X (Twitter): https://x.com/Coding4Devs 💼 LinkedIn: https://linkedin.com/company/coding-4-devs 🏷️ Tags & Hashtags: #reactnative #expo #expoconstants #expodevice #reactnativeplatform #mobiledevelopment #javascript #reactnativetutorial #coding4dev #expo2025