iOS, Android and no network around

asked 2014-08-07 21:38:50 -0700

tevatahiti gravatar image

updated 2014-08-07 21:46:46 -0700

Hello everyone,

@nikhil and @bspencer, I may ask a stupid question but is it possible to use alljoyn to make an (apple) iOS device communicate (sending and receiving files) with an android device without any network around (no AP available).

What I mean: is it possible to use the basic technologies available already on the devices (bluetooth and wifi usually) to make them communicate (discovery, session then exchange of info) without using any network around?

Thank you in advance for the answer


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answered 2014-08-08 06:58:33 -0700

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There is never a "stupid question", thank you for asking this... AllJoyn functions on top of the transport layers. In the past we have showed Bluetooth support but it was limited in its need to have AllJoyn integrated with the OS in order to allow for the proper management and control of a scatter net and to use Bluetooth just as a data link and not actually pair the devices together (pairing arbitrary devices is a security risk because Bluetooth is a HW trust relationship vs application trust). On iOS the APIs are not present to allow for the control of Bluetooth that is needed so it cannot be supported at this time.

In order to perform a "no network" connection you would need to instruct your end consumer on turning a device into a hotspot/AP. If this is Android to Android you can use Wi-Fi Direct and would instruct the user on how to set this up. A hotspot is a feature that may be blocked on devices as it allows the handsets Wi-Fi radio to become an AP and then connected applications leverage the handsets Cellular network connection to the Internet.

In short, AllJoyn does not manage the network. Yes you can have a "no network" connection if one of the handsets turns into an AP, but it requires explaining the steps to an end user.

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Thank you for the answer Spencer

tevatahiti ( 2014-08-11 15:11:49 -0700 )edit

If you feel this resolves your question please mark as such if you so feel inclined.

bspencer ( 2014-08-12 09:36:12 -0700 )edit
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Asked: 2014-08-07 21:38:50 -0700

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Last updated: Aug 08 '14