java - How to Set Scanning Area ZXing Scanner - Stack Overflow
Cosc 5/4730 QR codes. What is QR code? A QR code (abbreviated from Quick Response code) is a type of matrix barcode (or two-dimensional code) first designed. - ppt download
Programmers Sample Guide: Android barcode scanner using Zxing
Zxing Android Example | In 5 minutes Build QR Code Scanner App