| http://www.w3.org/ns/prov#value | - In my case I also needed to change the image based on the state of the data (whether the data was a favorite item or not) so I also set an image for the button's UIControlStateSelected state, then toggled it as needed: [(UIButton *)self.favBarButtonItem.customView setSelected:isFavorited]; Sure wish the SDK made this more straightforward!
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