How to set UITabBarItem's unselected tint, ***including system items*** (iOS7)

Question

(NOTE: I see there are several similar questions on SO, but none of them seem to get at my specific issue of wanting to change the unselected appearance of

Answer 1

Should it be:

[[UITabBar appearance] setTintColor:[UIColor whiteColor]]

Taken from: iOS Custom UI Series: TabBar & NavBar: http://bit.ly/1ahr9Ao