VIP+W Clean Architecture

A scalable, testable architecture pattern for iOS apps with strict separation of concerns and unidirectional data flow.

Components Overview

View (ViewController)

• Responsibility: Display logic ONLY
• Protocol: DisplayLogic
• Does: Renders UI, forwards user actions to Interactor
• Does NOT: Contain business logic, format data, make API calls

Interactor

• Responsibility: Orchestrates business logic
• Protocol: BusinessLogic
• Does: Receives requests from View, coordinates Workers, sends responses to Presenter
• Does NOT: Format data for display, handle UI, make direct API calls