It’s probably on the app, apps like snapchat implemented this feature a couple of years ago to notify the other user that a screenshot was taken.

Now that I’m thinking of it, It’s a possibility the application is not actually detecting a screenshot, but that the buttons have been pressed to create one. So perhaps one could circumvent that if you could edit which buttons to trigger a screenshot. I’ll google it, it’s intriguing me

Hi, you can look into “discrete mathematics” if you’re interested in the overall subject of math for programmers, it was one of my hardest class but highly intesting!