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A comment on Shortwave: iBeacon-powered messaging. Parent comment

Re:Shortwave: iBeacon-powered messaging by mjmsmith on Sunday May 11, 2014 @10:19AM (#7728756)
Isn't iBeacon built on top of Core Bluetooth? What stops you scanning in the background with CB?
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Re:Shortwave: iBeacon-powered messaging by eddieroger on Sunday May 11, 2014 @10:25AM (#7728770)
Nothing. You can continue to range and monitor in the background, but you can not be a beacon in the background while using the blessed methods for doing so. I haven't dug in to CoreBluetooth directly, but the CLLocationManager abstraction layer doesn't allow you to broadcast in the background.
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Re:Shortwave: iBeacon-powered messaging by marpalmin on Monday May 12, 2014 @07:22AM (#7732071)
Yes that's true. Check https://github.com/CharruaLabs/AltBeacon to understand how it's done.
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