I am newbie in Xamarin, and Iwould like to have a Google login in my new app with Xamarin Forms. What is the right way? Is there any updated tutorial or video to guide? Where t
Apart from the link mentioned by @JamesMontemagno (he is the best!), you can watch the video by Houssem Dellai for the same.
There is a also Xamarin cross-platform component for the same.
Video: https://youtu.be/AgFIsVr26zg
GitHub: https://github.com/HoussemDellai/Google-Login-Xamarin-Forms/tree/master/GoogleLogin/GoogleLogin/Views
Hope it helps. Let me know.