In this tutorial, we are going to build a simple Android QR Scanner using ZXing, a well known Open Source library to work with bar and qr codes.
Our small QR Scanner works this way: We call the Barcode Scanner app with an Intent action, it gets the QR Code and send it back to our app.
One problem, is that probably the user doesn’t have the Barcode scanner app installed. In this case our QR Scanner needs to tell this the user and redirect them to Google Play in order to install it.
So, we are going to use ZXing to manage this situation… Continue reading “Android QR Code Scanner – Quick Guide”