Chapter 3. MVVM—the model-view–view model design pattern
This chapter covers
- A more detailed look at what’s in the model, view model, view, and binding layers
- How a view model provides cross-platform UI logic by modeling state and behavior
- Using property-changed notifications
- Using commands
- How the binding layer glues the view and view-model layers together
- Value conversion in the view model and value converters
- What happens in the application layer
- Navigation patterns for MVVM apps
In the previous chapter we looked at the MVVM UI design pattern, before creating our first cross-platform example app. We’re going to examine that example app in a lot more detail, but first we need to look at the layers in an MVVM app in more depth. To do this ...