Introduction to MAUI

MAUI, or .NET Multi-platform App UI, is a cross-platform framework for building native applications on various platforms using a single codebase. Developed by Microsoft, MAUI is part of the .NET suite and is the successor to Xamarin.Forms. It enables developers to create applications that can run on Android, iOS, macOS, and Windows with the same code base, leveraging shared UI and business logic.

Key Features of MAUI

• Single Project Structure: MAUI simplifies the project structure by consolidating platform-specific code and resources into a single project. This enhances maintainability and reduces complexity.
• Hot Reload: While writing or modifying XAML, developers can leverage the Hot Reload feature to see changes instantly without needing a full rebuild, speeding up the development process.
• Cross-Platform API: MAUI provides a set of APIs that enable developers to access native device features like sensors, cameras, or secure storage seamlessly across platforms.
• MVU and XAML: It supports both Model-View-Update (MVU) and XAML for designing user interfaces. This flexibility allows developers to choose the most suitable approach for their projects.

Differences Between MAUI and Xamarin

While MAUI builds upon the foundation of Xamarin, it brings several enhancements and changes. Here are the primary differences:

Architectural Changes

• Unified Project System:
  • Xamarin: Developers work with multiple platform-specific projects (e.g., iOS, Android).
  • MAUI: A single project structure that makes management and code-sharing more straightforward.
• Framework:
  • Xamarin.Forms: A cross-platform UI toolkit that extends the classic Xamarin approach.
  • .NET MAUI: Built on the latest .NET runtime, boosting performance and providing modern capabilities.

UI and Development Tools

• User Interface:
  • Xamarin.Forms: Uses XAML to define UI elements.
  • MAUI: Offers both XAML and MVU, giving developers more control over how UI logic is managed.
• Tooling and Performance:
  • Xamarin: Lacked modern development tools in early stages.
  • MAUI: Integrated with the latest tools and performance improvements from .NET 6 and beyond.

Support and Community

• Support:
  • Xamarin: Continued to receive updates and support but was gradually phased out.
  • MAUI: Actively developed and supported by Microsoft as part of the evolution of Xamarin.Forms.
• Community:
  • Both platforms enjoy vibrant communities, but MAUI benefits from a renewed focus and investment from Microsoft.

Technical Example

Below is a simple example showcasing the difference in defining a button in both frameworks:

Xamarin.Forms XAML