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Getting started with Expo CLI

By Anurag on 12/22/2023

Of course! Expo CLI setup on your machine requires a few steps. Expo is a development process-simplifying framework for creating React Native applications. To assist you in setting up Expo CLI on your system, follow these steps:

Required conditions:

Node.js: Verify that Node.js is installed on your computer.

NPM: Installed alongside Node.js, npm is the Node.js package management that Expo CLI depends on.

Step 1:

To install Expo CLI globally, open a terminal or command prompt and type the following command:

  • npm install -g expo-cli

With the help of this command, you can build and manage Expo projects on your system by installing the Expo CLI worldwide.

Step 2: Creating a new Expo project.

Once Expo CLI is installed, run the following command to start a new project:

  • expo init myNewProject

Replace "myNewProject" with the desired name of your project. This command will prompt you to choose a template for your project; you can select a blank template or any other template that suits your needs.

Step 3: Navigate to your project.

Navigate to the freshly made project directory:

  • cd myNewProject

Step 4: Starting the Expo Development Server.

Run the following command to start the Expo development server:

  • expo start

This will cause the Expo DevTools to open in a new tab in your browser, and the terminal will display a QR code.

Step 5: Run the application on your simulator or device.

1. You may press ‘a’ to open the app in an Android emulator or ‘I’ to open it in an iOS simulator if you have an emulator for Android or iOS installed.

2. As an alternative, you can launch your app on the device by installing the Expo Go app on your actual device and using the Expo Go app to scan the QR code.

And that's it! You've established a new Expo project and successfully installed Expo CLI on your system. Expo may now be used to begin developing your React Native application.

Expo CLI
Getting started with Expo CLI
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