Facebook SDK login never calls back my application on iOS 9

Question

I\'ve followed this guide to update my application to use Facebook SDK 4.6 to work properly when built with the iOS 9 SDK.

When I tap the login button now, a Safari

Answer 1

for xamarin users :

public override bool OpenUrl(UIApplication application, NSUrl url, string sourceApplication, NSObject annotation)
        {

            OnUrlProtocolDetected(url.ToString());
            if (url.AbsoluteString.StartsWith("fb"))
            {
                return ApplicationDelegate.SharedInstance.OpenUrl(application, url, sourceApplication, annotation);
            }

}