How to programmatically emulate tapping/swiping on the Android screen?

Question

Android

How to programmatically emulate tapping/swiping on the Android screen?
For example: there will be a Background Service, in which "movements" will be pre-set and at a certain time the program performs them, as if the user were moving his finger across the screen.
Maybe you need some special permissions or even root?
In what direction is it generally better to look in order to implement such functionality? Is it possible to do this at the API level or will it be necessary to use shell commands.

Answer 1

through adb you can
https://stackoverflow.com/questions/3437686/how-to...
without root on a regular phone as a normal application in NO way.
Through rutting did not understand.