The app works in two mode Offline mode and Online mode
-Offline Mode :- It will simply scan to barcode/qrcode and return the result.
-Online Mode :- Scannes the Barcode/QRcode and send the result to Google Spreadsheet.First we need to connect our app with our Google spreadsheet that we can do by adding our spreadsheet ID and spreadspeet name in our applcation. We can get our google spreadsheet ID from its URL and the name of spreadsheet is the name we specify. It scan the Barcode and automatically send result to our connected google spreadsheet via internet.
Google appScript - The Google appScript folder contain the json script which connects our app with our google spreadsheet