React Native Theme Switcher using Context API & AsyncStorage | Dark & Light Mode Toggle || 2025

Learn how to build a simple Theme Switcher in React Native using Context API and AsyncStorage. we implement a light/dark mode toggle and persist the theme choice using AsyncStorage. This approach is perfect for beginners and helps you understand global state management and local data storage in React Native apps.

✅ What you'll learn:

How to create a global theme context

How to toggle between light and dark themes

How to save user preferences using AsyncStorage

How to apply themes across your app
React Native

Context API

AsyncStorage

Functional Components
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