iOS - UIKit Architecture Architectural patterns and best practices for UIKit-based iOS applications. Key Concepts MVVM Architecture The Model-View-ViewModel pattern separates concerns: - Model : Data and business logic - View : UIViewController and UIView subclasses - ViewModel : Presentation logic, transforms model data for display Coordinator Pattern Coordinators handle navigation flow, removing navigation logic from view controllers: Dependency Injection Inject dependencies through initializers for testability: Best Practices Programmatic UI with Auto Layout Modern Collection Views with Di…