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What are Design Patterns?
Design patterns aren’t concrete implementations, but rather, serve as starting points for writing code. They describe generic solutions to problems that many experienced developers have encountered many times before. What does this mean exactly...? Learn this and more in this chapter…
iOS & Swift
Design Patterns by Tutorials
Learn design patterns with Swift! Design patterns are incredibly useful, no matter what language or platform you develop for. Using the right pattern for the right job can save you time, create less maintenance work for your team and ultimately let you create more great things with less effort. Every…
iOS & Swift
Chapter in Design Patterns by Tutorials
Introduction
Design Patterns: Elements of Reusable, Object-Oriented Software, the first book to ever describe design patterns, inspired the revolutionary idea of reusable, template solutions to common software development problems. Design patterns aren’t specific to a particular situation, but rather, they are solutions you can adapt and use in countless…
iOS & Swift
Chapter in Design Patterns by Tutorials
Model-View-Controller Pattern
…controller (MVC) pattern separates objects into three distinct types: models, views and controllers! MVC is very common in iOS programming, because it's the design pattern that Apple chose to adopt heavily in UIKit. In this chapter you’ll implement the MVC pattern as you start to build…
iOS & Swift
Chapter in Design Patterns by Tutorials
Mediator Pattern
This is a behavioral design pattern that encapsulates how objects, called colleagues for this pattern, communicate with one another. This pattern is useful to separate interactions between colleagues into an object, the mediator. Learn how to use it when you need one or more colleagues to act upon events initiated…
iOS & Swift
Chapter in Design Patterns by Tutorials
Conclusion
…revisit that quote from the beginning of the book, taken from Design Patterns: Elements of Reusable, Object-Oriented Software: “Designing object-oriented software is hard.” Hopefully you’ve seen in this book that good software design isn’t hard — it just takes a little forethought and planning. To call such…
iOS & Swift
Chapter in Design Patterns by Tutorials
Chain-of-Responsibility Pattern
This is a behavioral design pattern that allows an event to be processed by one of many handlers. See how to use this pattern whenever you have a group of related objects that handle similar events but vary based on event type, attributes or something else related to the event…
iOS & Swift
Chapter in Design Patterns by Tutorials
Coordinator Pattern
…coordinator pattern is a structural design pattern for organizing flow logic between view controllers. This pattern can be adopted for only part of an app, or it can be used as an “architectural pattern” to define the structure of an entire app. You’ll see both of these at work…
iOS & Swift
Chapter in Design Patterns by Tutorials
About the Cover
Design Patterns by Tutorials Coral reefs contain some of the most amazing, colorful and diverse ecosystems on Earth. Although coral reefs make up just a tiny fragment of the ocean’s underwater area, they support over 25% of known marine life. It’s rather difficult to underestimate the value that…