Pro Objective-C Design Patterns for iOS will teach you those design patterns that have always been present at some level in your code, but were never recognized, acknowledged, or fully utilized. Implementation of specific pattern approaches will prove their value to any developer working in the iOS application arena. You’ll learn to master classic patterns like singleton, abstract factory, chain of responsibility, and observer. You’ll also discover less well-known but useful patterns like memento, composite, command, and mediator.
What you’ll learn
The basic concepts of various design patterns
How to apply design patterns to your code based on different scenarios
How design patterns can strengthen your apps
Hello, Design Patterns!
A Case Study: Designing an App
Chain of Responsibility