Software Architect's Handbook

The Model-View-ViewModel pattern

The Model-View-ViewModel (MVVM) pattern is another software architecture pattern and it shares similarities with MVC and MVP in that they all provide a SoC. Partitioning the various responsibilities makes an application easier to maintain, extend, and test. The MVVM pattern separates the UI from the rest of the application:

There is typically a significant amount of interaction between views and ViewModels, facilitated by data binding. The MVVM pattern works well for rich desktop applications, although it can be used for other types of application, such as web and mobile applications. An example of a framework ...