Point of Sale
POS:
(Point-of-Sale)--Term normally used to describe cash register systems that record transactions or the area of "checkout" in a retail store.
From: www.tyner.com/glossary.htm
ZXing
ZXing (pronounced "zebra crossing") is an open-source, multi-format 1D/2D barcode reader library implemented in Java. Our goal is to support decoding of QR Codes, Data Matrix, and the UPC family of 1D barcodes. It will provide clients for J2ME, J2SE, and Android.
Why? There are several great readers out there, and there are bits of open-source code already for decoding, but not both at the same time.
Architecture
This is a pure Java library, divided into several components of interest:
core: core decoding library, and the main component of the entire project
core-ext: more core functionality, but that requires functionality beyond J2ME
javame: J2ME client
javase: J2SE-specific client code
(Android client to be released later)
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ZXing
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