I wrote a basic HTML helper method to emit the correct <img> tag to take advantage of Google’s API. So, on your page (assuming ASPX view engine) use something like this: <%: Html.QRCodeImage(Request.Url.AbsolutePath) %> <%: Html.QRCodeImage(“Meagre human needs a phone to read QR codes. Ha ha ha.”) %> Or if you want to specify the … Read more
try this tutorial http://www.thonky.com/qr-code-tutorial/, very good in-depth tutorial on creating QR-codes, but only for a certain type of QR-code.
Android programs can interact with eachother using intents. Intents are a little like remote procedure calls: you ask the other program for a certain action (e.g. scan a barcode) and the other program will perform this task for you. The result is returned when the task is complete. If the user has installed the ZXing … Read more
So, for future reference for anybody who doesn’t want to spend two days searching the internet to figure this out, when you encode byte arrays into QR Codes, you have to use the ISO-8859-1character set, not UTF-8.
Although Aztec Codes are more compact and tunable, there is poor support for them among open, non-proprietary software. I would still use QR Codes for now, which have very mature software support on a wide variety of platforms. If space is at a premium for you, and you do not care for users to be … Read more
While Sean Owen and others that have worked on the original Zxing library had provided an approach to work with the barcode libraries for the past several years, Google has finally put out an official release with Google Play Services for handling qr and barcodes. The barcode detection library is described here. The inclusion of … Read more
There is no official specification for this — the QR code spec does not say anything about the contents. Everything I know about the commonly-used and de facto formats and conventions is summarized in this wiki: https://github.com/zxing/zxing/wiki/Barcode-Contents