Using UINavigationController navigationItem -> rightBarButtonItem

I've seen numerous examples where people stick a UIActivityIndicatorView in the customView of a rightBarButtonItem of UINavigationController. While I like this approach I'm a bit concerned about the potential implications.

Will the UINavigationController never make use of this item for forward navigation for example?


It's OK to use a UIActivityIndicatorView or any other UIView as customView of a rightBarButtonItem; rightBarButtonItem is never used for navigation.

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