How do i scan qr code from an image?

MIT App Inventor Help
1

I have a qr code image stored in my device. After picking the image it will scan and give result. How do i do it?

2

Perhaps this ?

3

Its only decoding the generated qr code by this extension, if i choose other qr codes it says com.google.zxing.notFoundException

4

Try dragging out a barcodescanner component