the author of that solution does not seem to be active here in Kodular?
you could try one of the other solutions
- Create Pdf from Table Extension by Andres Daniel
- Create Pdf file Extension, Layout to Pdf by Juan Antonio
- Create PDF Extension Text to PDF | HTML to PDF | Webpage to PDF by Hitesh and DeveloperLeo (100 Rs or 5 USD)
taken from the extensions directory App Inventor Extensions | Pura Vida Apps
Taifun