R.

Thanks for your answer! I've tried that solution with a set timeout of 1000. The alert will work but when I hit te scan button again the alert appears again...

Got it, thank you! > presentInRootViewController: true This was the issue.. I've copied the code from GitHub and your last message got me thinking about the modal.. it looks like...

> After few test the scan work if the qrcode is not center Ex : > >  Do you get the impression that this is caused by the phone...