Check this too: http://ffosqr.w69b.com/#/
Thanks.
Visual explanation was here http://i.imgur.com/KvRyJov.png
Ok, that's what I thought.
However you might use https://github.com/LazarSoft/jsqrcode or https://serratus.github.io/quaggaJS/e... in the future for full non-hybrid web apps.
Thanks for clarifying it
The barcode scanner apparently works only when using the appery.io. tester app. If I use the mobile browser to directly open the web app, the barcode scan button does not trigger the camera.