Getting start with React Native

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React Native lets you build mobile apps using only JavaScript. A React Native app is a real mobile app. It uses the same design as React, letting you compose a rich mobile UI from declarative components.


Using Create React Native App we can start building a new React Native application easily. It allows you to start a project without installing or configuring any tools to build native code – no Xcode or Android Studio installation required.

Assuming that you have Node installed, you can use npm to install the create-react-native-app command-line utility:

Try creating a new project:-

This will start a development server for you, and print a QR code in your terminal.

To run your app,

Install the Expo client app on your iOS or Android phone and connect to the same wireless network as your computer. Using the Expo app, scan the QR code from your terminal to open your project.

Basic App

In the App.js file you can see:-

import, from, class, extends, and the () => syntax in the example above are all ES2015 (also known as ES6)  features. The unusual thing in this code example is.<Text>Hello world!</Text> This is JSX – a syntax for embedding XML within JavaScript. <Text> is a built-in component that just displays some text. This code is …

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