655: replace qr_code_scanner with mobile_scanner

[sarahsporck]

No description provided.

[sarahsporck]

@maxammann as you wished :)

[maxammann]

Testing now on iOS and Android

[maxammann]

And I suspect this does not compile on iOS right now, because it is stuck in the check job

[maxammann]

Tested on iOS (release and debug)

[maxammann]

I also fixed linting

[michael-markl]

(Only code review)

[sarahsporck]

If I understand correctly, this is just a visual overlay to allow scanning qr codes inside of the overlay? We could just ignore that for now, until the feature has officially landed in mobile_scanner. (So we could just remove this overlay shape and the _calculateScanArea function in qr_code_scanner_controls.dart)

However, if it works without problems like this, we can also leave it like this I think :) (And maybe refactor once the feature has landed)

for me it works without problems. And it seems it will take a little bit until integration, therefore I'd keep the solution as it is.

Tested on Android again. Works fine.
@maxammann do you want to test it for ios once more please?

[maxammann]

Tested on Android again. Works fine.
@maxammann do you want to test it for ios once more please?

No need for that if it works on Android without that crash merge :)