This repository contains applications, and Xcode Playground files, to demonstrate concepts taught in Udacity's "iOS - Mobile Design Patterns". Each project contains a starter, and corresponding solution, to be used to follow along the videos throughout the course.

The concepts with projects/playground files are:

• Keep it DRY
• Single Responsibility Principle
• Open/Closed Principle
• Liskov Substitution Principle
• Interface Segregation Principle
• Dependency Inversion Principle

• Factory Methods
• Singleton
• Dependency Injection
• Object Pool
• Builder
• Builder Exercise

• Adapter
• Facade
• Decorator

• Observer
• Command
• Chain of Responsibility
• Mediator