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< html >
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< head >
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< meta charset = "UTF-8" / >
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< title > About 2D barcodes< / title >
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< link rel = "stylesheet" href = "../style.css" type = "text/css" / >
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< 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 >
< p class = "imgcenter" >
< img src = "../images/big-qr.png" / >
< img src = "../images/big-datamatrix.png" / >
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< img src = "../images/big-pdf417.png" / >
< img src = "../images/big-aztec.png" / >
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< / p >
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< 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 >
< p class = "imgcenter" > < img src = "../images/contact-results-screen.jpg" / > < / p >
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< p > Besides URLs and contact info, QR Codes can also contain:< / p >
< ul >
< li > Calendar events, which you can add to your Calendar< / li >
< li > Phone numbers, which you can dial< / li >
< li > SMS numbers, which you can text message< / li >
< li > Email addresses, which you can email< / li >
< li > Geographic coordinates, which you can open in Maps< / li >
< li > Plain text, which you can read, then share with a friend< / li >
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