Xamarin Add-ins Aren't working, cannot see list of add ins
问题 I'm just getting started with CocosSharp in Xamarin Studio on Mac. I'm trying to follow this walk-through. https://developer.xamarin.com/guides/cross-platform/game_development/cocossharp/first_game/part1/ The first step in the Walk-through is to open up Xamarin Studio, and install the CocosSharp add-in. "If running on a Mac, select Xamarin Studio > Add-in Manager...Click the Gallery tab, expand the CocosSharp item, select CocosSharp project templates, and finally click Install... ." When I do