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We want to write an Android App for the Sony SmartWatch 2 which uses the device's NFC functionality to read and write NFC tags (such as Mifare or DESfire cards). NFC functionality is heavily promoted for the SmartWatch 2, however, I couldn't find any information on an open NFC API so far.

My questions: Is there an open NFC API for the SmartWatch 2? If so, are there any restrictions on the mode of communication (Reader/Writer mode vs. P2P)? Where can I find related documentation?

Thanks, Markus

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up vote 2 down vote accepted

The NFC in the SW2 is only used for pairing it to a phone. Sony does not support any API to read tags or transfer data using the NFC in the watch.

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Thanks! Where do you have this information from? Is there anything official available on this? –  MarkusM Oct 2 '13 at 15:02
Check out the API reference developer.sonymobile.com/reference/sony-addon-sdk/packages –  AlexanderNajafi Oct 10 '13 at 7:04

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