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Is it possible to detect the minor/major of an iBeacon, that is in background.

For example:

Device A: App is in background Device B: App is in foreground

Device B, need to get the minor/major informations of Device A.

Is that possible?

user3275000
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3 Answers3

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An iOS device cannot transmit at all as an iBeacon when it is in the background. If you try to do so with Device A, a BLE advertisement will still come out, but it will not meet the iBeacon standard. It will therefore be impossible to read the identifiers by Device B, regardless of whether Device B is in the foreground or the background.

See this answer for more info.

Community
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davidgyoung
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As long as Device A is broadcasting the iBeacon information, Device B should be able to "see" it.

Mariano Romano
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Ranging for proximity does not work in the background, but if you use -startMonitoringForRegion, you should get a -didEnterRegion and -didExitRegion delegate callback where you can detect the major/minor information about the region.

Bill Burgess
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