Looking for logging into the Xamarin Android Facebook site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Xamarin Android Facebook site. After that you can login as usual with your login credentials.
https://blog.xamarin.com/native-android-facebook-authentication-azure-app-service/
https://forums.xamarin.com/discussion/68053/how-to-integrate-facebook-login-to-android-app
https://www.c-sharpcorner.com/article/xamarin-android-login-with-facebook-authentication/
https://www.nuget.org/packages/Xamarin.Facebook.Android/
http://www.google.pl/url?url=http://timothelariviere.com/2017/10/11/authenticate-users-through-facebook-using-xamarin-auth/
https://stackoverflow.com/questions/24889084/which-facebook-sdk-to-use-with-xamarin-android
https://www.youtube.com/watch%3Fv%3DFyZZNBIa-tg
https://www.youtube.com/watch%3Fv%3DxGW9Q4atJNc
https://www.youtube.com/watch%3Fv%3DWdpbXpGGjSE
https://www.youtube.com/watch%3Fv%3DQeoX1k7-1GE
https://evgenyzborovsky.com/2018/03/09/using-native-facebook-login-button-in-xamarin-forms/
https://www.youtube.com/watch%3Fv%3DgoC7B14wWY8
https://docs.microsoft.com/pl-pl/azure/app-service-mobile/app-service-mobile-xamarin-android-get-started-users