Generation of QR Code in React Native

Generation of QR Code in React Native

If we have to share any small data between different users, we can use the QR Code. Generation of QR Code in React Native is very easy as we just have to install react-native-qrcode package, which will provide <QRCode/> component to make QRCode.

QR Code is known as Quick Response Code is a trademark for two-dimensional barcode. QR Code is a machine/camera readable block enabled code for encoding numeric value and alphabetic value. The QR Code stores information within a block of images and can store multiple types of information.

Render Using

To Make a React Native App

Getting started with React Native will help you to know more about the way you can make a React Native project. We are going to use react-native init to make our React Native App. Assuming that you have node installed, you can use npm to install the react-native-cli command line utility. Open the terminal and go to the workspace and run
npm install -g react-native-cli
Run the following commands to create a new React Native project
react-native init ProjectName
This will make a project structure with an index file named App.js in your project directory.

Installation of Dependency

To use <QRCode /> we need to install react-native-qrcode package. To install this

Open the terminal and jump into your project

Run the following command.

This command will copy all the dependencies into your node_module directory, You can find the directory in node_module the directory named react-native-qrcode.

–save is optional, it is just to update the react-navigation dependancy in your package.json file.

Dependency Version for this Example Used is

Now Open App.js in any code editor and replace the code with the following code.

App.js

To Run the React Native App

Open the terminal again and jump into your project using.
cd ProjectName
To run the project on an Android Virtual Device or on real debugging device
react-native run-android
or on the iOS Simulator by running
react-native run-ios (macOS only).

     

That was the React Native Generate QR Code. If you have any doubt or you want to share something about the topic you can comment below or contact us here. There will be more posts coming soon. Stay tuned!

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