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A comment on Ask HN: Why is there no activity indicator when an iPhone's camera is on?.

Re:Ask HN: Why is there no activity indicator when an iPhone... by s15624 on Sunday February 24, 2019 @12:38PM (#19239542)
https://developer.apple.com/documentation/avfoundation/avcap...

The camera cannot be accessed without displaying it on the screen.

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Re:Ask HN: Why is there no activity indicator when an iPhone... by lalos on Sunday February 24, 2019 @01:47PM (#19239911)
That API says that the camera cannot be accessed when the app is not active (in the background). Like when you receive a call, etc.
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Re:Ask HN: Why is there no activity indicator when an iPhone... by 7ewis on Sunday February 24, 2019 @03:30PM (#19240445)
I'm pretty sure there are apps that workaround this though.
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