By Anne-Marie Lesas, Serge Miranda
NFC is a global ordinary when you consider that 2004 that's now inside each phone out there. any such general allows us to do cellular transactions (mobile money) in a safe manner besides many different info- dependent tap’n play operations. This e-book has a double function for computing device scientists (from bachelor scholars in CS to IT professionals).
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Additional info for The Art and Science of NFC Programming
Sample text
1 1. 111, the read/w write mode of o NFC enables NFC devices d to reead and writte informatio on stored onn passive NF FC tags coonsisting of an antenna and an inteegrated circuuitry. Power is supplieed by inductiive couplingg from the NFC N device initiator of tthe commuunication whhen it is broought into the t proximitty of the NF FC passivee tag. org/what-is-nfc/what-it-doees). 11. 2). 2) that include type, type format, ID and byte array. For example it is possible to write download links/URLs into the NFC tag, which can store several records.
3. NFC standards Outside of standards, no salvation for developers! Standardization meets a common need in a multi-actors ecosystem in order to ease interoperability, durable applications development and promote the deployment of new technologies and their usages. NFC standards are inherently tied to telecoms and smartphones, on the one hand, due to the fact that its use cases are ideally adapted to mobile use, and, on the other hand, because of the most commonly used smart card, globally deployed in all mobile phones: the SIM card.
NDEF data exchange format NDEF defines the data format structure of an NFC message to be read or encoded in a tag. NDEF messages have a header and one or several NDEF records with a header for each of them. 19. 20. 2. org/specs/nfcforumassignednumbers register). 20, the first bytes are used by the header: – MB: message begin on 1-bit taking a value of 1 if the message starts, otherwise 0. – ME: message end on 1-bit taking a value of 1 if the message ends, otherwise 0. – CF: bit indicates a chunked payload.