Advanced .NET MAUI Training Course

1. Introduction to .NET MAUI and Cross-Platform Development

• .NET MAUI architecture and application lifecycle management
• Multi-platform project structure and single-project architecture
• Understanding handlers, controls, layouts, and platform abstractions
• Platform-specific code implementation and conditional compilation
• Dependency management and leveraging NuGet packages
• Utilizing Visual Studio and the .NET CLI for development
• Building and running applications across Android, iOS, Windows, and macOS
• Exercise: Create and configure a multi-platform .NET MAUI application

2. Advanced MVVM Techniques and Patterns

• Revisiting MVVM and the principle of separation of concerns
• Implementing advanced data binding techniques
• Optimizing performance with compiled bindings
• INotifyPropertyChanged and managing observable collections
• Commands, asynchronous commands, and command parameters
• Leveraging CommunityToolkit.Mvvm and source generators
• Managing ViewModels, services, and application state
• Navigation strategies and navigation-aware ViewModels
• Handling data validation and maintaining application state
• Exercise: Build a multi-page MVVM application with validation and asynchronous operations

3. Dependency Injection and Application Architecture

• Utilizing built-in .NET dependency injection
• Understanding service lifetimes: transient, scoped, and singleton
• Registering platform-specific and shared services
• Constructor injection and effective service composition
• Principles of dependency inversion and loose coupling
• Applying Repository and Service patterns
• Managing application-wide dependencies
• Configuration and environment-specific service management
• Exercise: Refactor an application using dependency injection

4. Deep Dive into Customizing and Extending .NET MAUI

• Understanding handlers and the .NET MAUI rendering architecture
• Implementing custom handlers and platform-specific solutions
• Mapping .NET MAUI controls to native platform controls
• Extending existing control functionalities
• Creating fully custom controls
• Integrating platform-specific behaviors and APIs
• Effects, behaviors, and reusable UI extensions
• Strategic decision-making: when to use handlers, behaviors, effects, or custom controls
• Exercise: Create and integrate a customized cross-platform control

5. Building Reusable Components and Libraries

• Designing reusable UI components for scalability
• Creating custom controls and ContentViews
• Component parameterization and effective data binding
• Developing reusable behaviors and converters
• Organizing shared application functionality
• Creating .NET class libraries tailored for MAUI applications
• Packaging and distributing reusable components
• Understanding NuGet package fundamentals
• Exercise: Build a reusable component library

6. Advanced UI/UX, Layouts, and Animations

• Advanced layouts and responsive UI design principles
• Adaptive interfaces for phones, tablets, and desktops
• Utilizing dynamic resources and styling
• Resource dictionaries and comprehensive theme management
• Implementing light and dark themes
• Visual states and state-driven UI logic
• Advanced animations and smooth transitions
• Gesture recognition implementation
• Custom drawing and graphics capabilities
• Accessibility considerations and best practices
• Exercise: Create a responsive and animated MAUI interface

7. Handling Complex Data Scenarios

• Consuming REST APIs from .NET MAUI applications
• HTTP clients and asynchronous data access patterns
• JSON serialization and deserialization processes
• Robust error handling and retry strategies
• Local data persistence methods
• SQLite and local database management
• Repository patterns for efficient data access
• Offline-first application design strategies
• Synchronization between local and remote data sources
• Conflict resolution strategies for data integrity
• Caching mechanisms and cache invalidation
• Exercise: Implement an offline-capable data-driven application

8. Performance Tuning and Optimization

• Identifying and resolving performance bottlenecks
• Optimizing startup time and initial load
• Memory management and efficient resource usage
• Reducing unnecessary UI updates
• Optimizing bindings and collection rendering efficiency
• Efficient image loading and caching strategies
• Async programming and preventing UI-thread blocking
• Background processing techniques
• Strategies for reducing application size
• Managing memory leaks and object lifetimes
• Exercise: Profile and optimize an intentionally inefficient MAUI application

9. Advanced Debugging and Profiling Techniques

• Debugging cross-platform applications effectively
• Utilizing breakpoints, watches, and exception handling
• Diagnosing UI and lifecycle-related issues
• Implementing logging and structured diagnostics
• Using .NET diagnostics and profiling tools
• CPU and memory profiling analysis
• Detecting and resolving memory leaks
• Investigating slow UI rendering issues
• Debugging platform-specific problems
• Leveraging device and emulator diagnostics
• Exercise: Diagnose and resolve common performance and runtime problems

10. Architectural Patterns and Best Practices for Large-Scale Applications

• Selecting appropriate application architectures
• Applying Clean Architecture concepts
• Implementing layered architecture
• Separating UI, business logic, and data access layers
• Repository and service abstractions
• Applying SOLID principles in MAUI applications
• Effective application state management
• Feature-based project organization
• Designing modular applications
• Considerations for scalability and maintainability
• Exercise: Design the architecture of a production-scale MAUI application

11. Advanced Testing Strategies

• Unit testing ViewModels and services
• Testing business logic independently of the UI
• Mocking dependencies for isolated testing
• Testing asynchronous code patterns
• Testing navigation flows and application state
• UI and integration testing concepts
• Designing testable application architecture
• Continuous integration considerations
• Exercise: Create a comprehensive test suite for a MAUI application

12. Security in .NET MAUI Applications

• Designing secure application architectures
• Securely storing sensitive information
• Implementing authentication and authorization
• Managing security tokens
• Addressing API security considerations
• Protecting locally stored data
• Ensuring secure communication with backend services
• Handling credentials and secrets securely
• Mitigating common mobile application security risks
• Exercise: Implement secure authentication and credential storage

13. Application Deployment and Distribution

• Building applications for various platforms
• Distinguishing between Release and Debug configurations
• Application signing and certificate management
• Android application packaging processes
• iOS application deployment concepts
• Windows application packaging
• Versioning and release management strategies
• Environment-specific configuration settings
• Publishing applications to app stores
• CI/CD considerations for MAUI projects
• Exercise: Prepare a MAUI application for production deployment

14. Latest .NET MAUI and Visual Studio Features

• Recent .NET MAUI improvements and changes
• New controls, APIs, and development capabilities
• Enhancements to handlers and platform integration
• Visual Studio tooling and productivity features
• Adopting modern .NET development practices
• Evaluating third-party libraries and MAUI Community Toolkit features
• Migration and upgrade considerations
• Maintaining applications across .NET versions

15. Capstone Exercise: Building a Production-Ready .NET MAUI Application

• Defining application requirements and architecture
• Designing the MVVM structure
• Configuring dependency injection
• Implementing reusable UI components
• Connecting to remote and local data sources
• Adding caching and synchronization mechanisms
• Implementing validation and error handling
• Applying performance optimizations
• Integrating security and authentication
• Testing critical application functionality
• Preparing the application for deployment

16. Summary and Next Steps

• Review of advanced .NET MAUI concepts
• Identifying common architectural and performance pitfalls
• Recommended development practices
• Resources for further learning
• Planning the next steps toward production-ready MAUI development
• Q&A and discussion of participants' projects