I can Knock On with Nova Launcher but it won't let me "Knock Off." It will Knock Off from the lock screen but not from Nova's home screen.
Small price to pay while using Nova, IMO.
Mav.
It just occurred to me there are several apps out there that will turn off the screen. I just need to find the best one and launch it with a double tap.
That is true but one of the main reasons to have a 3rd party launcher like Nova, at least for me, is the ability to hide the notification bar.
Waiting for the screen to go off by itself or hitting the power button does not bother me.
Mav.