Slow Detecting of QR Codes

[ZaynMeledath]

Scanner is pretty slow in detecting QR codes. It needs the best environment like the best lighting conditions etc. Same time package which hasn't been updated since 3 years ago(flutter_barcode_scanner) is detecting rapidly. Please fix this issue.

[navaronbracke]

The flutter_barcode_scanner seems to be using the old Vision library, see https://github.com/AmolGangadhare/flutter_barcode_scanner/blob/master/android/build.gradle#L41

However, the note at the top of the docs for that library states:
https://developers.google.com/android/reference/com/google/android/gms/vision/barcode/package-summary

"The Mobile Vision API is deprecated and no longer maintained. It is now a part of ML Kit which includes all new on-device ML capabilities."

Since mobile_scanner already uses MLKit, any performance issues relating to the detection of barcodes can only be fixed by upgrading MLKit (if MLKit has fixes for such issues)