To install Expo, run the following terminal command: npm install -g expo-cli This will start the app on the iOS simulator.ĭon’t have a MacOSX machine? No problem! We can use the Expo CLI. Start the project by running npm run ios. We’re done! To create a new React Native project, run the following command: npx react-native init myprojectĪ new myproject folder should be created in your current working directory with the following structure: ├── App.js Sudo gem install cocoapods #manages dependencies for Xcode projects We’ll use CocoaPods as a dependency manager and Watchman to run our project: brew install watchman #watches file changes and runs the project automatically Once Xcode is installed, we can start building our app. As a first step, install Xcode from the App Store. This is where you build the native iOS code for React Native to use.

Before installing it, make sure Xcode is installed on your system. The React Native CLI is available as an npm package. Environment setup Using React Native on macOS

Expo: Easier to set up but has a bigger footprint.

React Native CLI: More complex but gives you more control over your app.

It uses React’s virtual DOM concept to manipulate native platform UI components, providing a familiar experience to users. React Native enables you to write Android and iOS apps using JavaScript. In this tutorial, we’ll demonstrate how to build iOS apps using React Native.

React Native enables you to use React to build mobile apps that work on both Android and iOS. React is very simple and efficient for creating large applications.

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