Learn how to build native cross-platform apps for iOS， Android， Windows， and Mac with a single code-base using C# and 。NET MAUI。 In Learn 。NET MAUI you will create a real-world non-trivial application that will run natively on iOS， Android， Windows and Mac。 You will build on your C# experience and learn how to create a beautiful UI using XAML or Fluent C#， how to architect a solid app， and best practices for this Microsoft platform。 The book starts with the fundamentals， but quickly moves to intermediate and advanced topics， demonstrating how to layout your pages， navigate between them， and add controls to gather and display data。 You will learn the key architectural pattern of Model-View-ViewModel: what it is and why you want to use it。 No solid app is complete without unit tests， and you will see how to use xUnit and NSubstitute to create robust and reliable code coverage。 Finally， having mastered 。NET MAUI， you will see how to create an API for your app to interact with， and how to create a web front-end to the same back end data and API using Blazor and C#。 Learning 。NET MAUI is targeted squarely at C# programmers， whether or not they have experience with cross-platform or mobile applications， who wish to learn Microsoft's premier platform for building iOS， Android， Windows and Mac apps using a single C#-based solution。