<Add var from .kt in activity main> i had a QR Sca...

# stackoverflow

[user]

Add var from .kt in activity main
i had a QR Scanner from the internet. But my Kotin skills are not available...
How can I add a COUNTER, that count my times, I scaned a code?

code of counter▾

Now I want to see that counter in the activity main. But how can I put a Text to that?

enter image description here▾