Google I/O 2011: How to NFC
Gingerbread brings a comprehensive NFC reader/writer API, and some modest but surprisingly powerful P2P support. Come hear why you should care about NFC technology, what kinds of applications are possible right now, and best practices for deployment.
Near Field Communication (NFC) is a set of short-range wireless technologies, typically requiring a distance of 4cm or less to initiate a connection. NFC allows you to share small payloads of data between an NFC tag and an Android-powered device, or between two Android-powered devices.
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