What is .NET MAUI?



What is .NET MAUI and Why It’s Important

.NET MAUI


.NET Multi-platform App UI (.NET MAUI) is Microsoft’s latest and most advanced UI framework that enables developers to build cross-platform applications using a single codebase for Android, iOS, macOS, and Windows. It’s a significant evolution from Xamarin.Forms, rebuilt on top of .NET 6+ and now enhanced in .NET 9 to offer better performance, easier maintainability, and modern development patterns.

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🧭 Why .NET MAUI?

  • Single Project Structure
  • One Language, One Stack
  • Full Native Performance
  • Hot Reload
  • MVU and MVVM Support

🔍 Deep Dive into .NET MAUI Architecture

.NET MAUI builds on top of:

  • .NET 9 Base Class Library (BCL)
  • MAUI Handlers for lightweight control mapping
  • Platform Abstractions using #if ANDROID, #elif IOS etc.

🏗️ Project Structure Overview

A typical MAUI project contains:

  • Platforms/ folder
  • Resources/ folder
  • App.xaml and MainPage.xaml

Table of Contents for .Net Maui

⚙️ How it Works Behind the Scenes

  • Uses handlers instead of renderers to map controls to native views
  • Supports Dependency Injection via MauiProgram.cs

🌐 Real-world Use Cases of .NET MAUI

  • Enterprise Apps
  • E-commerce
  • IoT Control Panels
  • Education Platforms

⚡ Why .NET MAUI is the Future

  • Open-source and community-driven
  • Backed by full .NET 9 ecosystem
  • Cloud-ready via Azure
  • Modern developer experience

🧪 MAUI vs Xamarin.Forms

Feature Xamarin.Forms .NET MAUI
Base Framework .NET Standard .NET 9
Renderers Yes (legacy) No (uses Handlers)
Project Structure Multi-project Single project
Hot Reload Limited Full (C# + XAML)
MVU Support No Yes (Experimental)

🔗 Learning Resources

📚 Interview Questions – Test Your MAUI Knowledge!

Try answering the following questions in the comments below. Engage with other developers and learn together!

  1. What is the role of Handlers in .NET MAUI?
  2. How does .NET MAUI differ from Xamarin.Forms?
  3. What are the advantages of using a single project structure in MAUI?
  4. Explain how platform-specific code is handled in .NET MAUI.
  5. How does MAUI achieve native performance across platforms?
  6. What is the use of MauiProgram.cs and how do we configure services in it?
  7. How can you use Dependency Injection in .NET MAUI?
  8. What is the difference between MVU and MVVM in .NET MAUI?
  9. How does .NET MAUI handle image and font resources?
  10. How would you optimize a MAUI app for performance on mobile devices?

🗣️ Your Turn!
Drop your answers in the comments below. Let’s learn and grow together in the .NET MAUI community!






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