when writing android apps take advantage of google play services, use fragments inside same activity when switching view can stay connected play services @ times. in order update high scores , unlock achievements, told best practice, , has worked me far.
i'm beginning 'translate' of games on xcode have little experience ios in general. before start building big ui, need keep encapsulated in single view take advantage of play services? or can use tabbed viewcontrollers , built in uinavigationcontrollers move between views , still stay connected.
probably should use tabbed view controllers built in. from question , answer, bounty, looks must instantiate google play services single activity , initiate there.
