React Native is a popular framework for building mobile applications using JavaScript and React. Here is a roadmap for learning React Native:

1. Learn the basics of JavaScript: React Native is built on top of JavaScript, so it's important to have a solid foundation in the language. Learn the basics of JavaScript syntax, data types, functions, and object-oriented programming.

2. Learn the basics of React: React Native uses React, a JavaScript library for building user interfaces. Learn the basics of React, including how to create components, use props and state, and manage events.

3. Set up your development environment: Set up your development environment by installing Node.js, React Native CLI, and a code editor of your choice.

4. Build a simple app: Start by building a simple app, such as a to-do list or a calculator. This will give you a good understanding of how React Native works.

5. Learn about styling in React Native: React Native uses a styling system similar to CSS. Learn how to style your components using Flexbox, StyleSheet, and other tools.

6. Understand navigation in React Native: Navigation is an important part of mobile app development. Learn how to use React Navigation to create navigation menus and routes.

7. Learn about data management: Mobile apps often need to fetch data from APIs or store data locally. Learn how to use libraries like Axios, Redux, or AsyncStorage to manage data in your React Native app.

8. Test your app: Testing is an important part of the app development process. Learn how to use tools like Jest and Enzyme to write unit tests for your React Native app.

9. Deploy your app: Once your app is ready, you'll need to deploy it to the App Store or Google Play. Learn how to build and distribute your app to users.

10. Keep learning: React Native is a constantly evolving framework, so it's important to keep learning and staying up-to-date with the latest developments. Follow the React Native blog and community forums to learn about new features and best practices.