Can I call objective-c code in java?

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John Hubert Ma

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Jul 15, 2019, 11:38:59 PM7/15/19
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Hi guys,

I am mainly interested in using the google nearby messages framework(GNSPermission, GNSMessageManager, GNSPublication, GNSSubscription) on our java code. Is this possible?

A little bit of background ... we want our non-mobile device to continuously send out a simple broadcast message(a short string) that would be detected by a mobile device when the mobile device gets into a certain proximity to our non-mobile device. Our non-mobile device can run code written on c,c++,java and python so we are trying to find a way to code the google nearby message publisher in any of the said languages. I've searched https://developers.google.com/api-client-library/ for a list of exposed libraries and samples but found nothing that can point me in the right direction. Seeing as how swift can leverage on the existing objective-c library for the google nearby message framework, I was thinking maybe we could also make it work for java. Is this possible?

Thanks :)

Thomas Van Lenten

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Jul 17, 2019, 1:36:56 PM7/17/19
to Google APIs Client Library for Objective-C
The objc support is really for Apple platforms as it makes use of Apple's networking support.  Swift can use ObjC, but also only on Apple platforms, Swift for linux doesn't include the ObjC support.

TVL

Matthew Becker

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Jul 17, 2019, 8:26:13 PM7/17/19
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Just a thought but I don't see why you couldn't setup a Mac server or some Apple device running a program using objective C and Swift then have this program make calls to the server using JSON. You could write a function in Swift to post to python JSON endpoint on a loop every few seconds asking the python to return object data if mobile users are around, then you could leverage the Google Object C library.

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Matthew A. Becker
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