It's time to start building the app. We recommend that you use the same method as in Chapter 6, Setting up a Backend for a Chat App Using Azure Services, because this will make code sharing easier. In that solution, create a Mobile App (Xamarin.Forms) with the name Chat:
Select the Blank template and use .NET Standard as the Code Sharing Strategy. Select iOS and Android as the platforms. After we have created the project, we will update all NuGet packages to the latest versions because the project templates are not updated as often as the packages that are used inside the templates: