1<!DOCTYPE HTML> 2<html> 3<head> 4<meta charset="UTF-8"/> 5<title>How to scan</title> 6<link rel="stylesheet" href="../style.css" type="text/css"/> 7</head> 8<body> 9<p>Barcode Scanner continuously scans a square region shown on your screen -- just line up the phone so the barcode is completely inside the viewfinder rectangle:</p> 10<p class="imgcenter"><img src="../images/demo-yes.png" style="padding:5px"/><img src="../images/demo-no.png" style="padding:5px"/></p> 11<p>1D barcodes like those found on products require a phone with autofocus. Without it, only 2D formats like QR Codes and Data Matrix codes will be scannable.</p> 12<p>When a barcode is read, a beep sound will play and you'll see the results of the scan, a description of what the barcode contains, and options to take action on the contents.</p> 13<p>If you're having trouble scanning, make sure to hold the phone steady. If the camera is unable to focus, try moving the phone further or closer from the barcode.</p> 14<ul class="touchable"> 15 <li><a href="about1d.html">About 1D barcodes</a></li> 16 <li><a href="about2d.html">About 2D barcodes</a></li> 17</ul> 18</body> 19</html>