1<!DOCTYPE HTML> 2<html> 3<head> 4<meta charset="UTF-8"/> 5<title>About 2D barcodes</title> 6<link rel="stylesheet" href="../style.css" type="text/css"/> 7</head> 8<body> 9<p><strong>Barcode Scanner</strong> also understands how to read two dimensional barcodes, like QR Codes and Data Matrix codes. For example, the codes below contain a hyperlink to the ZXing Project home page:</p> 10<p class="imgcenter"> 11 <img src="../images/big-qr.png"/> 12 <img src="../images/big-datamatrix.png"/> 13 <img src="../images/big-pdf417.png"/> 14 <img src="../images/big-aztec.png"/> 15</p> 16<p>You can also represent contact information in a QR Code, and put it on a business card or web site. When you scan it, the results screen provides a choice of actions:</p> 17<p class="imgcenter"><img src="../images/contact-results-screen.jpg"/></p> 18<p>Besides URLs and contact info, QR Codes can also contain:</p> 19<ul> 20 <li>Calendar events, which you can add to your Calendar</li> 21 <li>Phone numbers, which you can dial</li> 22 <li>SMS numbers, which you can text message</li> 23 <li>Email addresses, which you can email</li> 24 <li>Geographic coordinates, which you can open in Maps</li> 25 <li>Plain text, which you can read, then share with a friend</li> 26</ul> 27</body> 28</html>