About 2D barcodes

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