Make it better with Xamarin Forms Shell, you are able to build beautiful apps in few days, but if you're worried about Tabbed Bars in Cross Platform, you have to take a look to the new attribute of Shell, the ShellSection
It was never so easy to create a cross-platform application with Bottom Menu, all this due the update on Xamarin Forms 4.0 and Shell Navigation
If you want to know more about Azure cloud Technologies, specifically the Custom Vision Service, you must read this article.
At Microsoft Connect(); 2018 were announced some plans about the update on Xamarin.Forms 4.0 and Shared a preview !!!
The Geolocation class provides APIs to retrieve the device's current geolocation coordinates.