BarCodeScanner (Sensors Built-In) is not capable to read QR with other colors

MIT App Inventor Help
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1

Hi everyone, I am trying to read an inverted color QR, black background and white squares.
With regular QR colors, the scanner worked OK.
With inverted colors, other apps like QRDroid works OK also, the issue is just with the built-in scanner.
Any idea?
Thanks.

2

Um, don't invert the colours, if using the built in barcodescanner...

3

Well, I think this is not the kind of answer that adds value to the Community.
Any other idea? An extension for reader? Somebody has dealt whit it?
Thanks.

4

set property ExternalScanner to true and use the QRDroid scanner to scan the inverted QR code

Taifun