Generate and scan QR codes using an Ionic App in both iOS and Android
ngx-qrcode2 - An Angular 4 Component library (now updated to Angular 5) for Generating QR (Quick Response ) Codes. Phonegap Barcode Scanner Plugin - Cross-platform BarcodeScanner for Cordova / PhoneGap
This app requires Node.js v7+, cordova and ionic framework to run. Install the dependencies and build the app.
$ git clone https://github.com/harishkotra/ionicQR.git
$ cd ionicQR
$ npm install -d
$ ionic cordova platform add android/ios
$ ionic cordova run/build android Free Software, Hell Yeah!
Credits: Built using this tutorial