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 single-project architectures
• Comprehending handlers, controls, layouts, and platform abstractions
• Implementing platform-specific code and conditional compilation
• Managing dependencies and utilizing NuGet packages
• Utilizing Visual Studio and the .NET CLI
• Building and executing applications across Android, iOS, Windows, and macOS
• Exercise: Creating and configuring a multi-platform .NET MAUI application

2. Advanced MVVM Techniques and Patterns

• Revisiting MVVM and the principle of separation of concerns
• Advanced data binding methodologies
• Compiled bindings and optimizing binding performance
• Implementing INotifyPropertyChanged and managing observable collections
• Working with commands, asynchronous commands, and command parameters
• Leveraging CommunityToolkit.Mvvm and source generators
• Structuring ViewModels, services, and state management
• Navigation strategies and navigation-aware ViewModels
• Managing validation and application state
• Exercise: Developing 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
• Applying constructor injection and service composition
• Adhering to dependency inversion and loose coupling principles
• Implementing Repository and service patterns
• Managing application-wide dependencies
• Configuring environment-specific services
• Exercise: Refactoring an application to incorporate dependency injection

4. Deep Dive into Customizing and Extending .NET MAUI

• Understanding handlers and the .NET MAUI rendering architecture
• Developing custom handlers and platform-specific implementations
• Mapping .NET MAUI controls to native platform controls
• Extending the functionality of existing controls
• Creating bespoke custom controls
• Integrating platform-specific behaviors and APIs
• Implementing effects, behaviors, and reusable UI extensions
• Determining when to use handlers, behaviors, effects, or custom controls
• Exercise: Creating and integrating a customized cross-platform control

5. Building Reusable Components and Libraries

• Designing reusable UI components
• Creating custom controls and ContentViews
• Parameterizing components and implementing data binding
• Developing reusable behaviors and converters
• Organizing shared application functionality
• Creating .NET class libraries for MAUI applications
• Packaging and distributing reusable components
• Fundamentals of NuGet packages
• Exercise: Building a reusable component library

6. Advanced UI/UX, Layouts, and Animations

• Advanced layouts 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 themes
• Defining visual states and state-driven UI
• Advanced animations and transitions
• Gesture recognition technologies
• Custom drawing and graphics rendering
• Addressing accessibility considerations
• Exercise: Creating a responsive and animated MAUI interface

7. Handling Complex Data Scenarios

• Consuming REST APIs from .NET MAUI
• Implementing HTTP clients and asynchronous data access
• JSON serialization and deserialization
• Error handling and retry strategies
• Local data persistence
• SQLite and local database management
• Applying Repository patterns for data access
• Offline-first application design
• Synchronizing local and remote data
• Conflict resolution strategies
• Caching mechanisms and cache invalidation
• Exercise: Implementing an offline-capable data-driven application

8. Performance Tuning and Optimization

• Identifying performance bottlenecks
• Optimizing startup time
• Managing memory and resource usage
• Minimizing unnecessary UI updates
• Optimizing bindings and collection rendering
• Efficient image loading and caching
• Async programming and avoiding UI-thread blocking
• Background processing techniques
• Reducing application size
• Managing memory leaks and object lifetimes
• Exercise: Profiling and optimizing an intentionally inefficient MAUI application

9. Advanced Debugging and Profiling Techniques

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

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

• Selecting an appropriate application architecture
• Concepts of Clean Architecture
• Layered architecture structures
• Separating UI, business logic, and data access
• Repository and service abstractions
• Applying SOLID principles in MAUI applications
• Managing application state
• Feature-based project organization
• Modular application design
• Scalability and maintainability considerations
• Exercise: Designing 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
• Testing asynchronous code
• Testing navigation and application state
• UI and integration testing concepts
• Designing testable application architecture
• Continuous integration considerations
• Exercise: Creating a test suite for a MAUI application

12. Security in .NET MAUI Applications

• Secure application architecture
• Secure storage of sensitive information
• Authentication and authorization mechanisms
• Token management
• API security considerations
• Protecting locally stored data
• Secure communication with backend services
• Handling credentials and secrets
• Common mobile application security risks
• Exercise: Implementing secure authentication and credential storage

13. Application Deployment and Distribution

• Building applications for different platforms
• Release versus Debug configurations
• Application signing and certificates
• Android application packaging
• iOS application deployment concepts
• Windows application packaging
• Versioning and release management
• Environment-specific configuration
• Publishing applications to app stores
• CI/CD considerations for MAUI projects
• Exercise: Preparing 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
• Improvements to handlers and platform integration
• Visual Studio tooling and productivity features
• 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
• Implementing validation and error handling
• Applying performance optimizations
• Adding security and authentication
• Testing critical application functionality
• Preparing the application for deployment

16. Summary and Next Steps

• Review of advanced .NET MAUI concepts
• Common architectural and performance pitfalls
• Recommended development practices
• Further learning resources
• Planning the next steps toward production-ready MAUI development
• Q&A and discussion of participants' projects