價格：免費
更新日期：2017-09-11
檔案大小：3.6M
目前版本：1.0
版本需求：Android 2.3.3 以上版本
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Email：https://docs.google.com/document/d/e/2PACX-1vSJdvJP5gpI2o0T-WxaW3FGvFVq-thr50Zc3FWYhjS9jfHYGFkvbydJQMMD0v3-0XK7AyUTDY8HHQVJ/pub
QR is short for Quick Response (they can be read quickly by a cell phone). They are used to take a piece of information from a transitory media and put it in to your cell phone. Same way you create your own Qr codes and save it on you cell phone.It supports almost every type of Qr codes.
The QR code system became popular outside the automotive industry due to its fast readability and greater storage capacity compared to standard UPC codes. Applications include product tracking, item identification, time tracking, document management, and general marketing.
A QR code consists of black squares arranged in a square grid on a white background, which can be read by an imaging device such as a camera, and processed using Reed–Solomon error correction until the image can be appropriately interpreted. The required data is then extracted from patterns that are present in both horizontal and vertical components of the image.