How do I create a button for a QR code to open a link?

hi to all, is it possible to add a button that opens the scanned link or make the text as a link to click?

code Suorce code <<<< I uploaded the code to pastebin

If you want to open a link then this is a really good plugin for the same : https://pub.dev/packages/url_launcher
Hope it helps, do get back if any further help is required.