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About 2D barcodes

android/assets/html-en/about2d.html

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Barcode Scanner 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:

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:

Besides URLs and contact info, QR Codes can also contain:

  • Calendar events, which you can add to your Calendar
  • Phone numbers, which you can dial
  • SMS numbers, which you can text message
  • Email addresses, which you can email
  • Geographic coordinates, which you can open in Maps
  • Plain text, which you can read, then share with a friend