ViewModels : A Simple Example

Lyla Fujiwara
Jun 28, 2017 · 7 min read

Introduction

Image for post
Image for post

The underlying problem

Image for post
Image for post
Image for post
Image for post

A very simple example

Step 1: Create a ViewModel class

Step 2: Associate the UI Controller and ViewModel

ViewModelProviders.of(<Your UI controller>).get(<Your ViewModel>.class)

Step 3: Use the ViewModel in your UI Controller

A closer look at ViewModelsProviders.of

ViewModelProviders.of(<THIS ARGUMENT>).get(ScoreViewModel.class);
Image for post
Image for post

Conclusion and further learning

Android Developers

The official Android Developers publication on Medium

Welcome to a place where words matter. On Medium, smart voices and original ideas take center stage - with no ads in sight. Watch

Follow all the topics you care about, and we’ll deliver the best stories for you to your homepage and inbox. Explore

Get unlimited access to the best stories on Medium — and support writers while you’re at it. Just $5/month. Upgrade

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store