How does your cell phone screen distinguish that a video is being played and therefore the screen shouldn’t cut off? Especially since it can do it across various apps?

Question

How does your cell phone screen distinguish that a video is being played and therefore the screen shouldn’t cut off? Especially since it can do it across various apps?

In: Other

Answer 1

Boils down to simple programming. Your smartphone is just that— smart. It has the software to play video files and knows that it’s playing one.