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React Native Tutorial

Last Updated : 29 Apr, 2025
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React Native is a framework developed by Facebook for creating native-style applications for Android & iOS under one common language, i.e. JavaScript. Initially, Facebook only developed React Native to support iOS. However, with its recent support of the Android operating system, the library can now render mobile UIs for both platforms.

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React Native Tutorial

What is React Native?

React Native is an open-source framework developed by Facebook that allows developers to build mobile applications using JavaScript and React. The key advantage of React Native is that it enables the development of apps for both iOS and Android platforms using a single codebase, which significantly reduces development time and effort.

Key Features of React Native

  • Cross-Platform Development: Write once, run anywhere. React Native allows developers to create apps for both iOS and Android platforms using a shared codebase.
  • Native Performance: React Native components are compiled into native code, which means that the apps deliver performance close to native apps.
  • Reusability: React Native enables code reusability, which allows developers to use the same code for different platforms with minimal adjustments.
  • Hot Reloading: This feature allows developers to instantly see the results of the latest change to the source code without rebuilding the app from scratch.
  • Component-Based Architecture: Similar to React for the web, React Native uses a component-based architecture, making it easier to manage complex applications by breaking them down into smaller, reusable components.

How React Native Works?

React Native bridges the gap between JavaScript and native code. When you write code in React Native, it gets compiled into native components for iOS and Android. This means the app runs with the performance and look-and-feel of a native app.

Components of React Native

  • View: This is the fundamental building block of UI in React Native. It maps to the native view on both iOS and Android.
  • Text: Used for displaying text. It renders as native text elements on both platforms.
  • TextInput: A component for text input fields.
  • ScrollView: A component that provides a scrolling container.
  • StyleSheet: A utility for defining styles. It works similarly to CSS.

React Native allows you to build cross-platform apps using JavaScript. It combines the best parts of native development with the React framework.

Get comprehensive knowledge on everything from basic concepts to advanced features through the React Native Course.

Why Learn React Native?

  • React Native allows developers to create mobile apps using website technology. So a developer who is handy in web development can easily develop a mobile app using React Native.
  • React Native allows developers to build cross-platform apps that look and feel entirely Native since it uses JavaScript components that are both built on iOS and Android components.
  • Since React Native uses JSX, a developer isn’t required to learn complex languages.
  • React Native uses fundamental Android and iOS building blocks to compile Native apps for both platforms in JavaScript. This makes handling the code base easier.
  • React Native allows you to build apps faster. Instead of recompiling, you can reload an app instantly.
  • In React Native we can easily develop and test features by using various libraries and tools like Expo, ESLint, Jest, and Redux.
  • On top of being responsive and providing an impressive user experience, React Native apps are faster and agile.
  • React Native uses Native components which makes the rendering and execution of the app much faster.

Prerequisites for Learning React Native

To begin with React-Native you should have a basic knowledge of the following technologies

Topics for React Native Tutorial

Here in this section of React Native course we have listed all the topics that will help you to learn the React Native.

React Native Basic Concepts

React Native Components

React Native API

UI Elements in React Native

React Native Advanced Concepts

Notable Apps Using React Native

We have a complete list of all the useful Apps you can create using React Native, which can be helpful in learning core concepts of React Native and building a better resume. Click Below to learn more.

Learn More About React Native

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