What are the differences between MVC and MVVM in iOS development?

What are the differences between MVC and MVVM in iOS development?

MVC (Model-View-Controller) is a design pattern where the model, view, and controller are separate. MVVM (Model-View-ViewModel) separates the view from the business logic, allowing for better testability and easier UI updates.

Can you explain how data binding works in MVVM?

In MVVM, data binding allows the View to automatically reflect changes in the ViewModel. This means when the ViewModel updates data, the View updates automatically without needing to manually refresh it.

Which pattern is better for large-scale applications?

MVVM is often preferred for large-scale applications due to its separation of concerns, which enhances maintainability and testability.

Are there any downsides to using MVVM?

Yes, MVVM can introduce complexity, especially for simple applications. It may also require more boilerplate code compared to MVC.

What are some popular frameworks that support MVVM in iOS?

Popular frameworks for MVVM in iOS include SwiftUI, Combine, and ReactiveSwift, which facilitate data binding and reactive programming.