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MVVM Basics with Caliburn.Micro

MVVM Basics with Caliburn.Micro. Presented by Stefan Nuxoll, Lithium PC. Overview. What is MVVM (And why do I care?) Getting Started (What is Caliburn.Micro?) Slides are Pointless (Let’s write some code!) Hello, World is Boring (Let’s do something real) Review / Q&A. Assumptions.

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MVVM Basics with Caliburn.Micro

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  1. MVVM Basics with Caliburn.Micro Presented by Stefan Nuxoll, Lithium PC

  2. Overview What is MVVM (And why do I care?) Getting Started (What is Caliburn.Micro?) Slides are Pointless (Let’s write some code!) Hello, World is Boring (Let’s do something real) Review / Q&A

  3. Assumptions • This is an intermediate (200) level presentation • Working knowledge of C# and .Net needed • You do NOT need to know what IoC or Convention-over-configuration mean • You do NOT need to know XAML • Though it will help

  4. What is MVVM? And why do you care?

  5. MVVM Explained Model-View-ViewModel Data is pulled by UI, not pushed to it Complete separation between interface and code

  6. MVVM Relationships

  7. Benefits of MVVM Testable! UI/UX developers can focus on their job Cleaner, more maintainable code

  8. Getting Started What is Caliburn.Micro?

  9. What is Caliburn.Micro? Fully featured MVVM framework Utilizes IoC and convention-over-configuration Fully customizable and extremely flexible Under 3K LoC (lean and easy to modify) Supports WPF, Silverlight, Windows Phone and Windows RT Available at http://caliburnmicro.codeplex.com

  10. Why use Caliburn.Micro? Don’t reinvent the wheel Conventions and Actions Built-in support for IoC (typically the MEF) Already has support for all major .net environments

  11. Slides are Pointless Let’s write some code!

  12. Before We Begin • Sample code and presentation are available online • We will be starting from scratch • If you’ve got Visual Studio on your laptop, feel free to follow along

  13. Creating the Project Create a new WPF application Install Caliburn.Micro from NuGet Configure bootstrapper

  14. Demonstration

  15. Wiring It Up Create our first View Create our first ViewModel Demonstrate Data Binding and Actions

  16. Demonstration

  17. Hello, World is Boring Let’s do something real

  18. Let’s Talk to Netflix Anyone know what Odata is? Odata is a great idea with a so-so implementation Somebody saw SOAP and WSDL and said “What the fuck is this?” Think of it as SOAP-but-better (not exactly high praise) .Net 3.5 and higher have native support, integrates with LINQ Netflix has an Odata endpoint, making our lives easier

  19. Okay, Let’s *ACTUALLY* Talk to Netflix Done complaining about Odata Add service reference in visual studio Create a helper class to handle querying Netflix .Net’sOdata support works with LINQ (easy peasy!)

  20. Demonstration

  21. User Interface Search box Results list Let’s show cover art too

  22. Demonstration

  23. Holy Crap I understood all that (I think)

  24. MVVM Review • Cleaner, more readable code • Modular, testable • Separation of UI from code • Means UI/UX developers don’t need to know jack about programming • Pull, not push • Stop creating a ton of controls in code-behind, let the UI handle all that

  25. Q&A You don’t actually have questions, do you? Fine, I guess I’ll answer them. 

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