Setting the app as the device manager

[avi_apps (avi770_apps)]

Hi, how can I take permission from the user to set the app as the device administrator? I just need the app to have Device Manager permission, nothing more. How do you do it?
I would appreciate your help, it’s urgent!

[avi_apps (avi770_apps)]

Hello, can anyone help me with this? It’s urgent for me!
An example of a request from an application that I also want like this: