We, at Vatsa solutions, love to be ahead of the curve. That may probably be the reason why we are always looking out for the latest trends in technology. MVVM or the Model-View-Viewmodel is a software architectural design pattern for designing and implementing graphical user interfaces. It is one of the easiest ways to structure a clean and organized code, primarily, as it keeps the UI components separate from the business logic, the code becomes easy to understand and read. Also, like many other design patterns, MVVM breaks the programs into ‘modules’, to make development and reuse of the code faster.

As the name suggests, MVVM consists of 3 distinct parts:

  • Model:

Model defines the data (non-visual) model in the applications, which can be objects and classes.

  • View:

View is the appearance, the layout and structure of what an application user sees on the screen. View displays a representation of the Model and receives the interaction through clicks, gestures, etc. It then forwards it to the Viewmodel via databinding defined to link view and viewmodel.

  • Viewmodel:

The viewmodel can be described as the state of the data in Model. The viewmodel and view are synchronized using binder such as XAML. Viewmodel works as a binding between view and viewmodel, while providing data to be displayed in View.

MVVM holds many benefits over MVP or MVC. A few of which are as below:

  • The viewmodel provides a single store for state, thus, improving the replicability of view, as well as the reusability of Model.
  • MVVM is a loosely coupled design. View holds a reference to Viewmodel, while Viewmodel holds a reference to Model. Rest is all done by data-binding.
  • MVVM is very easy to test and carry out run-time simulations and overall, the code itself remains simple.

To request the complete document about the basics of MVVM and how it can be implemented, just click on the Enquire now button below, and we will send it to you.

 

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