How can I change the PopOver’s frame color ?
Description : By default the frame of popOver is black and same with the popOver arrow.
Default One :

I want this frame like this(in green or some other color.

EDIT : on the top bar I want two titles(one sub-title). Is it possible and how ?

How can I do it ?
Regards !!
As far as I am concerned, there is no way of doing that
EDIT: please check this, this, this and this