What Design Patterns are used on iOS other than MVC?

Question

I need to know about the design patterns used in iPhone development other than MVC.

Please reply with any sample explanation or example with code snippet.

Th

Answer 1

In real world applications code bases become complex over time and you end up with massive view controllers, which are hard to test and maintain. The solution is to use MVVM, which is a better alternative to MVC it self.