NFC and Bluetooth brought together with Android 2.3.3
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Yesterday, the Android team announced the SDK for the Gingerbread 2.3.3 release, with much-enhanced NFC support. The NFC api is indeed very exciting and well thought-out, and will hopefully lead to a great many uses of NFC in the not-to-distant future.
But there was an additional api feature that got considerably less press, although it got us equally excited– The “insecure” Bluetooth socket connection, for both server and client.
Why is this exciting (and timely)? Combine this with the expanded NFC support, and developers can now write applications that run over Bluetooth but don’t require a cumbersome pairing process. Instead, with a few lines of code, a developer can enable users to simply tap two phones together to have the details of the Bluetooth connection sent between devices and run your p2p application.
To use NFC to kick off a Bluetooth session, first start a running socket server on one device, using a randomly generated service UUID. Then, create an NDEF message encoding the MAC address of the phone’s Bluetooth device and the UUID of the listening service. When this message is received by the joining phone, it will have enough information to connect to the Bluetooth server socket.
We hope that api’s like this, combined with NFC, will give a new boost in the number of fun and useful Bluetooth applications available for our phones.
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February 18, 2011 at 9:34 am
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[...] can share and transfer info just by tapping, instead of fussing with more intimate manual pairing. [MobiSocial News via Engadget] [...]
February 18, 2011 at 9:41 pm
[...] The Android team has released SDK for Android 2.3.3 recently which supports NFC to pair up with Bluetooth by simply touching 2 devices together. This is how it works: “To use NFC to kick off a Bluetooth session, first start a running socket server on one device, using a randomly generated service UUID. Then, create an NDEF message encoding the MAC address of the phone’s Bluetooth device and the UUID of the listening service. When this message is received by the joining phone, it will have enough information to connect to the Bluetooth server socket.” – quoted from MobiSocial News [...]
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March 8, 2011 at 4:51 pm
[...] non-NFC interface. For Android devices running Gingerbread version 2.3.3 or later, we can use the insecure bluetooth socket to exchange data between devices. Otherwise, we can fall back to an HTTP exchange to avoid the [...]
March 16, 2011 at 3:14 pm
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