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The qrcode package: Quick Response code generation in LATEX http://n.xn--g4tw0k.cn/oji/index.php?mod=url&code=aP
QR Code How-To Guide http://n.xn--g4tw0k.cn/oji/index.php?mod=url&code=ap
QR Code Generator for Acrobat http://n.xn--g4tw0k.cn/oji/index.php?mod=url&code=aN
To add a QR Code link to your PDF file follow these steps.
Download the QR Code Generator for Acrobat. http://n.xn--g4tw0k.cn/oji/index.php?mod=url&code=a7
You only need to do this once.
Choose Tools > Content > Multimedia and select the SWF tool
Drag or double-click to select the area on the page where you want the bar code to appear. The “Insert SWF” dialog box opens.
Click Browse to find the “AcrobatQRCodeCreator.swf” file that you just downloaded, and then click Open.
Use the advanced options on the “Insert SWF” dialog box to change the “Enable When:” to “The page containing the content is visible”, and then click OK.
Click on the QR Code widget to activate it.
Enter the fully qualified URL for the link you want the QR code to send the user to.
Save the file
