Advanced .NET MAUI Training Course

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

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

2. Advanced MVVM Techniques and Patterns

• Review of MVVM principles and separation of concerns
• Advanced data binding techniques
• Compiled bindings and optimizing binding performance
• Utilizing INotifyPropertyChanged and observable collections
• Implementing commands, asynchronous commands, and command parameters
• Leveraging CommunityToolkit.Mvvm and source generators
• Managing ViewModels, services, and application state
• Navigation flows and navigation-aware ViewModels
• Handling validation and managing application state
• Exercise: Build a multi-page MVVM application featuring validation and asynchronous operations

3. Dependency Injection and Application Architecture

• Utilizing the built-in .NET dependency injection system
• Understanding service lifetimes: transient, scoped, and singleton
• Registering both platform-specific and shared services
• Constructor injection and service composition
• Dependency inversion principles and loose coupling
• Repository and service design patterns
• Managing application-wide dependencies
• Configuration and environment-specific service management
• Exercise: Refactor an existing application to utilize 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 logic
• Mapping .NET MAUI controls to native platform controls
• Extending the functionality of existing controls
• Developing fully custom controls
• Integrating platform-specific behavior and APIs
• Implementing effects, behaviors, and reusable UI extensions
• Determining 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 highly reusable UI components
• Creating custom controls and ContentViews
• Component parameterization and advanced data binding
• Developing reusable behaviors and converters
• Organizing shared application functionality effectively
• Creating .NET class libraries for MAUI applications
• Packaging and distributing reusable components
• Foundations of NuGet packaging
• Exercise: Build a comprehensive reusable component library

6. Advanced UI/UX, Layouts, and Animations

• Advanced layout strategies and responsive UI design
• Creating adaptive interfaces for phones, tablets, and desktops
• Utilizing dynamic resources and styling
• Managing resource dictionaries and themes
• Implementing light and dark mode themes
• Visual states and state-driven UI logic
• Advanced animations and transition effects
• Gestural recognition and interaction
• Custom drawing and graphics implementation
• Addressing accessibility considerations
• Exercise: Create a responsive and animated MAUI interface

7. Handling Complex Data Scenarios

• Consuming REST APIs from .NET MAUI applications
• Utilizing HTTP clients and asynchronous data access patterns
• JSON serialization and deserialization processes
• Robust error handling and retry strategies
• Implementing local data persistence
• Working with SQLite and local database solutions
• Applying repository patterns for data access
• Designing offline-first application architectures
• Synchronizing local and remote data sources
• Strategies for conflict resolution
• Implementing caching mechanisms and cache invalidation
• Exercise: Implement an offline-capable data-driven application

8. Performance Tuning and Optimization

• Identifying and resolving performance bottlenecks
• Optimizing application startup time
• Managing memory and resource usage efficiently
• Minimizing unnecessary UI updates
• Optimizing data bindings and collection rendering
• Efficient image loading and caching strategies
• Async programming patterns to avoid UI-thread blocking
• Implementing background processing tasks
• Reducing overall application size
• Managing memory leaks and object lifetimes
• Exercise: Profile and optimize an intentionally inefficient MAUI application

9. Advanced Debugging and Profiling Techniques

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

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

• Selecting the most appropriate application architecture
• Concepts of Clean Architecture
• Implementing layered architecture
• Strict separation of UI, business logic, and data access
• Repository and service abstraction patterns
• Applying SOLID principles within MAUI applications
• Managing complex application state
• Organizing projects based on features
• Designing modular applications
• Considering scalability and long-term maintainability
• Exercise: Design the architecture for a production-scale MAUI application

11. Advanced Testing Strategies

• Unit testing ViewModels and service layers
• Testing business logic independently of the UI
• Mocking dependencies for isolation
• Testing asynchronous code patterns
• Testing navigation flows and application state
• Concepts in UI and integration testing
• Designing testable application architectures
• Considerations for continuous integration pipelines
• 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 tokens securely
• API security best practices
• Protecting locally stored data
• Ensuring secure communication with backend services
• Handling credentials and secrets appropriately
• Mitigating common mobile application security risks
• Exercise: Implement secure authentication and credential storage

13. Application Deployment and Distribution

• Building applications for various target platforms
• Differences between Release and Debug configurations
• Application signing and certificate management
• Packaging for Android applications
• Concepts in iOS application deployment
• Windows application packaging
• Versioning and release management strategies
• Configuring environment-specific settings
• Publishing applications to app stores
• CI/CD pipeline considerations for MAUI projects
• Exercise: Prepare a MAUI application for production deployment

14. Latest .NET MAUI and Visual Studio Features

• Reviewing recent .NET MAUI improvements and changes
• Exploring new controls, APIs, and development capabilities
• Advancements in handlers and platform integration
• Visual Studio tooling and productivity enhancements
• Modern .NET development practices
• Evaluating third-party libraries and MAUI Community Toolkit features
• Considerations for migration and upgrades
• Maintaining applications across different .NET versions

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

• Defining application requirements and architectural strategy
• 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 robust error handling
• Applying performance optimizations
• Integrating security and authentication features
• Testing critical application functionality
• Preparing the application for final deployment

16. Summary and Next Steps

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