Q:

How to add a volume bar like YouTube for iOS?

I am almost done with my game in Unity 5. However when the player presses Volume Up/Down, the iOS (version) shows the standard UI to show volume. Android has it's own (looks better on Stock).
I want to make my game consistent on either platform and different variations of Android. So I want to recreate how YouTube (for iOS) handles the change in volume.
I can't figure this out. Any help would be awesome!!!

A:

Unity has no functionality to take over physical volume button, especially on iOS.
Correct me if I'm wrong.

