Advanced .NET MAUI Training Course

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

• .NET MAUI architecture and the application lifecycle
• Multi-platform project structures and the single-project architecture model
• Exploring handlers, controls, layouts, and platform abstractions
• Managing platform-specific code and conditional compilation
• Dependency management and leveraging NuGet packages
• Utilizing Visual Studio and the .NET CLI for development
• Building and executing applications on Android, iOS, Windows, and macOS
• Exercise: Configure and create a multi-platform .NET MAUI application

2. Advanced MVVM Techniques and Patterns

• Refresher on MVVM and the principle of separation of concerns
• Advanced data binding techniques for complex scenarios
• Optimizing compiled bindings and binding performance
• Implementing INotifyPropertyChanged and observable collections
• Managing commands, asynchronous operations, and command parameters
• Leveraging CommunityToolkit.Mvvm and source generators
• Designing ViewModels, services, and state management systems
• Implementing navigation and navigation-aware ViewModels
• Handling data validation and managing application state
• Exercise: Develop a multi-page MVVM application featuring validation and asynchronous processing

3. Dependency Injection and Application Architecture

• Utilizing built-in .NET dependency injection capabilities
• Understanding service lifetimes: transient, scoped, and singleton
• Registering shared and platform-specific services
• Applying constructor injection and service composition
• Practicing dependency inversion and loose coupling
• Implementing Repository and Service patterns
• Managing dependencies across the application scope
• Configuring environment-specific services
• Exercise: Refactor an existing application to utilize dependency injection

4. Deep Dive into Customizing and Extending .NET MAUI

• Analyzing handlers and the .NET MAUI rendering architecture
• Creating custom handlers for platform-specific implementations
• Mapping .NET MAUI controls to native platform equivalents
• Extending the functionality of existing controls
• Developing entirely custom controls
• Incorporating platform-specific behaviors and APIs
• Using Effects, behaviors, and reusable UI extensions
• Determining when to apply handlers, behaviors, effects, or custom controls
• Exercise: Design and integrate a customized cross-platform control

5. Building Reusable Components and Libraries

• Designing UI components for maximum reusability
• Creating custom controls and ContentViews
• Parameterizing components and managing data binding
• Developing reusable behaviors and converters
• Organizing shared application functionality effectively
• Building .NET class libraries for MAUI applications
• Packaging and distributing reusable components
• Fundamentals of NuGet package management
• Exercise: Construct a library of reusable components

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 for styling
• Managing resource dictionaries and themes
• Implementing light and dark themes
• Managing visual states and state-driven UI changes
• Developing advanced animations and transitions
• Implementing gesture recognition
• Custom drawing and graphics implementation
• Considering accessibility standards
• Exercise: Create a responsive, animated MAUI interface

7. Handling Complex Data Scenarios

• Consuming REST APIs within .NET MAUI applications
• Using HTTP clients for asynchronous data access
• Handling JSON serialization and deserialization
• Implementing robust error handling and retry strategies
• Local data persistence methods
• Working with SQLite and local databases
• Applying Repository patterns for data access
• Designing offline-first applications
• Synchronizing local and remote data sources
• Strategies for conflict resolution
• Managing caching and cache invalidation
• Exercise: Implement an offline-capable, data-driven application

8. Performance Tuning and Optimization

• Identifying and resolving performance bottlenecks
• Optimizing application startup times
• Efficient memory management and resource usage
• Minimizing unnecessary UI updates
• Optimizing binding performance and collection rendering
• Efficient image loading and caching strategies
• Asynchronous programming to prevent UI-thread blocking
• Implementing background processing tasks
• Reducing overall application size
• Preventing memory leaks and managing object lifetimes
• Exercise: Profile and optimize a MAUI application with intentional inefficiencies

9. Advanced Debugging and Profiling Techniques

• Debugging strategies for cross-platform applications
• Utilizing breakpoints, watches, and exception handling
• Diagnosing UI and lifecycle-related issues
• Implementing logging and structured diagnostics
• Leveraging .NET diagnostics and profiling tools
• Analyzing CPU and memory usage through profiling
• Detecting and resolving memory leaks
• Investigating causes of slow UI rendering
• Debugging issues specific to individual platforms
• Using device and emulator diagnostics
• Exercise: Diagnose and fix common performance and runtime issues

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

• Selecting the most suitable application architecture
• Applying Clean Architecture concepts
• Implementing layered architecture designs
• Separating UI, business logic, and data access layers
• Abstracting Repositories and Services
• Applying SOLID principles in MAUI development
• Effective management of application state
• Organizing projects on a feature-based basis
• Designing modular applications
• Considerations for 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 isolated testing
• Testing asynchronous code patterns
• Verifying navigation flows and application state changes
• Concepts in UI and integration testing
• Designing for a testable application architecture
• Considerations for continuous integration pipelines
• Exercise: Develop a comprehensive test suite for a MAUI application

12. Security in .NET MAUI Applications

• Designing a secure application architecture
• Secure storage of sensitive information
• Implementing authentication and authorization mechanisms
• Managing security tokens
• Addressing API security considerations
• Protecting locally stored data
• Ensuring secure communication with backend services
• Best practices for handling credentials and secrets
• Mitigating common mobile application security risks
• Exercise: Implement secure authentication and credential storage solutions

13. Application Deployment and Distribution

• Building applications for various target platforms
• Differences between Release and Debug configurations
• Application signing and certificate management
• Packaging Android applications
• Deployment concepts for iOS applications
• Packaging strategies for Windows applications
• Versioning and release management workflows
• Configuring environment-specific settings
• Publishing applications to major 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 improvements and changes in .NET MAUI
• Introduction of new controls, APIs, and 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
• Considerations for migration and upgrades
• Maintaining application compatibility across .NET versions

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

• Defining application requirements and architectural approach
• Designing the MVVM structure
• Configuring the dependency injection container
• Implementing reusable UI components
• Connecting to both remote and local data sources
• Adding caching and synchronization logic
• Implementing robust validation and error handling
• Applying performance optimizations
• Incorporating security and authentication features
• Testing critical application functionality
• Finalizing the application for deployment

16. Summary and Next Steps

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