Advanced .NET MAUI Training Course

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

• Overview of .NET MAUI architecture and the application lifecycle
• Multi-platform project structures and single-project architecture
• Comprehending handlers, controls, layouts, and platform abstractions
• Implementing platform-specific code and conditional compilation
• Managing dependencies and NuGet packages
• Utilizing Visual Studio and the .NET CLI effectively
• 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

• Revisiting MVVM and the principle of separation of concerns
• Applying advanced data binding techniques
• Optimizing binding performance through compiled bindings
• Utilizing INotifyPropertyChanged and observable collections
• Implementing commands, asynchronous commands, and command parameters
• Leveraging CommunityToolkit.Mvvm and source generators
• Managing ViewModels, services, and application state
• Implementing navigation and navigation-aware ViewModels
• Handling validation and application state changes
• 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
• Implementing constructor injection and service composition
• Applying dependency inversion and loose coupling principles
• Using Repository and service patterns
• Managing application-wide dependencies
• Configuring environment-specific services
• Exercise: Refactor an application using dependency injection

4. Deep Dive into Customizing and Extending .NET MAUI

• Understanding handlers and the .NET MAUI rendering architecture
• Creating custom handlers and platform-specific implementations
• Mapping .NET MAUI controls to native platform controls
• Extending the functionality of existing controls
• Developing custom controls from scratch
• Integrating platform-specific behaviors 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
• Implementing component parameterization and 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 package management
• Exercise: Build a reusable component library

6. Advanced UI/UX, Layouts, and Animations

• Implementing advanced layouts and responsive UI design
• Creating adaptive interfaces for phones, tablets, and desktops
• Utilizing dynamic resources and styling options
• Managing resource dictionaries and themes
• Implementing light and dark themes
• Defining visual states and state-driven UI elements
• Creating advanced animations and transitions
• Integrating gesture recognition
• Performing custom drawing and graphics operations
• Addressing accessibility considerations
• Exercise: Create a responsive and animated MAUI interface

7. Handling Complex Data Scenarios

• Consuming REST APIs from .NET MAUI applications
• Using HTTP clients and asynchronous data access
• Managing JSON serialization and deserialization
• Implementing error handling and retry strategies
• Storing local data persistently
• Working with SQLite and local databases
• Applying Repository patterns for data access
• Designing offline-first applications
• Synchronizing local and remote data
• Developing conflict resolution strategies
• Implementing caching and cache invalidation
• Exercise: Implement an offline-capable data-driven application

8. Performance Tuning and Optimization

• Identifying key performance bottlenecks
• Optimizing startup-time performance
• Managing memory and resource usage effectively
• Minimizing unnecessary UI updates
• Optimizing bindings and collection rendering
• Improving image loading and caching efficiency
• Using async programming to avoid UI-thread blocking
• Handling 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 complex cross-platform applications
• Utilizing breakpoints, watches, and exception handling
• Diagnosing UI and lifecycle issues
• Implementing logging and structured diagnostics
• Using .NET diagnostics and profiling tools
• Performing CPU and memory profiling
• Detecting and resolving memory leaks
• Investigating slow UI rendering issues
• Debugging platform-specific issues
• Utilizing device and emulator diagnostics
• Exercise: Diagnose and resolve common performance and runtime problems

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

• Selecting an appropriate application architecture
• Applying Clean Architecture concepts
• Implementing layered architecture
• Ensuring separation of UI, business logic, and data access
• Using Repository and service abstractions
• Applying SOLID principles in MAUI applications
• Managing application state effectively
• Organizing projects on a feature-based model
• Designing modular applications
• Considering 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 testing
• Testing asynchronous code patterns
• Testing navigation flows and application state
• Concepts of UI and integration testing
• Designing a testable application architecture
• Considering continuous integration practices
• Exercise: Create a test suite for a MAUI application

12. Security in .NET MAUI Applications

• Designing secure application architecture
• 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
• Managing Release versus Debug configurations
• Handling application signing and certificates
• Packaging Android applications
• Understanding iOS application deployment concepts
• Packaging Windows applications
• Managing versioning and releases
• Configuring environment-specific settings
• Publishing applications to app stores
• Considering CI/CD 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
• Noting improvements to handlers and platform integration
• Utilizing Visual Studio tooling and productivity features
• Adopting modern .NET development practices
• Evaluating third-party libraries and MAUI Community Toolkit features
• Considering migration and upgrade paths
• Maintaining applications across different .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

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