How to record video from the gadget screen on Android?

Question

Android

I would like to understand the whole essence of the process. What is needed is not a program, but an implementation. How can this be done

Answer 1

I advise you to look here here and here

Answer 2

I use ScreenRecorder 5+
Root does not require rights, although the device is rooted.
Works stably, though the video quality is a bit shaky