QR code

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A Quick Response Codes (commonly abbreviated as QR Code, QR-C, or, more commonly a QR) is, in the simplest terms, a digital barcode which can be scanned in order to cause an event to be carried out (such as the retrieval of a particular piece of information, say a website or message).


Each QR Code is a matrix code (or two-dimensional bar code) created by Japanese corporation Denso-Wave in 1994. The "QR" is derived from "Quick Response", as the creator intended the code to allow its contents to be decoded at high speed. QR Codes are common in Japan, where they are currently the most popular type of two dimensional codes. Moreover, most current Japanese mobile phones can read this code with their camera. [1]


Specifications


EXAMPLES

The following is an example of a unified QRcode/shortenedURL/vcard landing page:

<img src="http://www.sparqcode.com/qrgen?qt=vcard&fName=Bryan&lName=Copeland&address=290+Larry+Uteck+blvd+%23618&company=BCmoney+MobileTV%2C+LLC.&city=Halifax&state=NS&zip=B3M+0E9&country=Canada&email=bc%40bcmoney-mobiletv.com&url=http%3A%2F%2Fbcmoney-mobiletv.com&mobile=19024836349&col=000000&width=355"/>


The following is an example of YouTube's new QR Code service for quick links to mobile versions of their video pages:

http://chart.apis.google.com/chart?chs=150x150&cht=qr&chl=http%3A//www.youtube.com/watch%3Fv%3D0vtHwWReGU0&chof=png

[2] [3]




Tools


Resources

Java

Kotlin

JavaScript

[13]

PhoneGap

PHP

C

C#

Objective-C


Tutorials


External Links

References

  1. wikipedia:QR Code
  2. YouTube and QR Codes: http://shkspr.mobi/blog/index.php/2009/07/youtube-and-qr-codes/
  3. Google Shows QR Codes for iPhone YouTube Users: http://2d-code.co.uk/iphone-youtube-qr-codes/
  4. QR Code development story: https://www.denso-wave.com/en/technology/vol1.html
  5. Denso-Wave -- QR Code Solutions: https://www.denso-wave.com/en/system/qr/
  6. Zxing icon: http://zxing.googlegroups.com/web/zxing-icon-128.png
  7. What javascript QR code reading libraries are available?: http://stackoverflow.com/questions/7733975/what-javascript-qr-code-reading-libraries-are-available
  8. QR code generation library in javascript: http://stackoverflow.com/questions/4542632/qr-code-generation-library-in-javascript
  9. jQuery QR-Code generator/reader: http://blog.jetienne.com/blog/2011/04/07/jquery-qrcode/
  10. How to generate QR Code using jQuery: http://www.moreonfew.com/generate-qr-code-using-jquery/
  11. Generate a Hash from string in Javascript: https://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript
  12. QRcode decode javascript-Read QR code with JavaScript: http://openalexandria.com/2010/10/qrcode-decode-javascript-read-qr-code-with-javascript/
  13. An Offline QR Code Generator/Reader Built in 100% Vanilla JavaScript: https://javascript.plainenglish.io/an-offline-qr-code-generator-reader-built-in-100-vanilla-javascript-b7e8aec812e8
  14. How to use QRCode library to encode and decode QRCode: http://www.codeproject.com/Articles/20574/Open-Source-QRCode-Library

See Also

URL Shortener | URL