MVVM Dependency Injection using Storyboards

Inject those dependencies!

Photo by Nong Vang on Unsplash

Terminology:

Dependency Injection: A technique that allows objects to receive other objects on which it depends
MVVM: An architecture pattern consisiting of Model, View and View-Model Storyboard: A visual representation of the User Interface of an Application

Useful prerequisites

• Initializers
• Segue

The Video Alternative

The example

Sorry, this is awful. I’ve created two simple screens, neither of which display anything for the user other than a button to go onto the next screen. The first screen makes a network call but prints out the result to the console.

Simple stuff, right?

MVVM

I’m going to implement MVVM as follows: