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 Swift 3 & Facebook SDK 4.16.0:

Add the following code to AppDelegate.swift

func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
    return FBSDKApplicationDelegate.sharedInstance().application(application, open: url, sourceApplication: sourceApplication, annotation: annotation)
}