Qr : Read and Create Qr/Bar Code offline

[vknow360]

@Patryk_F

Problem 1 - Created PNG file is empty.

Probably given logo does not exist.

@Patryk_F

Problem 2 - When I use ImagePicker to get a QR code from my phone, I get an error: com.google.zxing.NotFoundException.

Have you asked for WRITE_EXTERNAL_STORAGE permission?
Also I suggest you to not use ImagePicker.Selection block because it creates unnecessary temp files.You should use Activity Starter along with FileTools or TaifunFile extension.
See here how:

Problem viewing web page on custom web view

There was a small mistake in my blocks. [blocks (3)]

@Patryk_F

Problem 3 - App crashes on startup after compiling, with companion works fine.

You have not put a barcode scanner component.

This should work fine:
Qr.aia (33.2 KB)