Facebook SDK for iOS, fbDidLogin never called in multi nib application?

The issue here is that your delegate isn't around anymore once the authorization process completes. I would create a class that implements FBSessionDelegate and keep it as a property on your application delegate. Now, when you wire up the delegate, set it to that property.

You can also wire this up using interface builder if you would like. Simply set the delegate to that property that you defined on the app delegate.

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