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I'm looking to see if it's possible to build iOS barcode scanner with Apples vision framework (Xcode, swift). I know how to build a barcode scanner when view controller is active, However I'm looking to see if somehow its possible to scan without a view controller being active (Whenever a barcode is placed infront of camera, it becomes active).

I couldn't find anything on internet so looking to see if its even possible.

Andy Jazz
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dweb
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  • What do you mean by "active"? – aheze Feb 14 '21 at 21:37
  • I’m certain that you _can’t_ access the camera while your app is in the background. I thing this doesn’t even work for VoIP apps like FaceTime. – Frank Rupprecht Feb 15 '21 at 05:27
  • No i didn't mean if my whole app is in background. I meant a view controller where where I 'm access camera, if that is in background. Lets say I'm at "home" viewController and someone puts a barcode infront of camera, I want to segue to my "camera" viewController from "home" view controller. I hope im making sense. – dweb Feb 17 '21 at 22:19
  • @FrankSchlegel any help would be appreciated! – dweb Feb 18 '21 at 18:37

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