Avoiding Massive View Controller using Containment & Child View Controller

Containment & Child View Controller Diagram

You can also read this article in my Xcoding With Alfian blog website using the link below.

Avoiding Massive View Controller using Containment & Child View Controller | Xcoding with Alfian |…

View Controller is the component that provides basic building block that we use as a foundation to build application in iOS development. In Apple MVC world, it sits as a middle man between the View and Model, acting as an orchestrator between both of them. It starts with the controller acting as an observer that reacts to Model changes, updates the View, accepts user interaction from the view using the Target Action, and then updates the Model.

Apple MVC Diagram. Courtesy of Apple Inc.

As an iOS developer, there are many times that we will face an issue of handling Massive View Controller, even if we use architectures like MVVM, MVP, or VIPER. Sometimes, the View Controller has too many responsibilities to handle in one single screen. It’s violating the SRP (Single Responsibility Principle), creating tight coupling…