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I need to do a Point-of-sales register that takes order on android tablet, i.e. Google Nexus 7 or Nexus 10. Functionalities includes:
1. Allow merchants to add items and categories onto their account, stored in MySQL on server, so that when merchant log in again, item information still be available.
2. A good database structure that allow the application to be run by many unique merchants, each with his own shop items on sale.
3. Allow the app to detect NFC classic mifare 1k card to retrieve the UID of the card, and register the UID as a customer. NO need to write tag, just need to read UID tag and assign to a customer account will do. Store account information on server MySQL.
Let me know if you have done a previous POS application, and also are experienced in NFC android coding, please let me know via PM.