#23 - iOS Creational Patterns
How to properly deal with object creation
Hey iOS developer! 👋
Creational patterns in iOS development, like in other software development contexts, are design patterns that describe how to handle object creation. The aim is to help abstract the instantiation process, making the code easily reusable, manageable, and scalable.
In today’s issue, I’ll explore five iOS creational patterns: Singleton, Factory, Builder, Prototype, and Abstract Factory.
Singleton Design Pattern in iOS
Let’s start with perhaps the simplest design pattern to implement: the Singleton. Essentially, this pattern ensures that there is only one instance of a class, commonly used to manage shared resources. However, its simplicity can sometimes lead to overuse. Omar Saibaa provides examples of Singleton pattern code and discusses its advantages and disadvantages.
Read on Medium
Design Patterns in Swift — Factory
The fundamental principle of the Factory Pattern is that it helps create objects without needing to specify the exact class of the object to be created. In this approach, creation details are centralized in one place, and objects are created based on specific conditions.
To explore this pattern, I’ve chosen an article by Ruslan Dzhafarov, where we learn how to create different UI components.
Read on Medium
Curated iOS newsletter is now published twice a week.
In addition to the traditional Wednesday issues, I’m sending out Monday emails with a series of personal articles called Monday Quick Read.This week, I talked about why learning UIKit before SwiftUI is beneficial for iOS developers.
Builder Pattern in iOS
The Builder Pattern aims to simplify the creation of complex objects by dividing them into smaller components. A Builder Class is defined with the required properties for construction, along with methods to set each property. Once all properties are set, a dedicated method is called to create the final object. In this post, Kevin Topollaj guides us through using the Builder Pattern and provides a list of its pros and cons.
Read on iOS Mentor blog
The Prototype Pattern in Swift: A Comprehensive Guide
Prototype Pattern is commonly used when we need to create a new object with similar properties but minimal configuration changes. In this pattern, a copy method is added to the class to return a duplicate of the object, allowing us to modify properties of the new object as needed. This article offers an easy-to-understand guide on implementing the Prototype Pattern.
Read on Medium
Abstract Factory Pattern in Swift
Heading to the final pattern in this issue—the Abstract Factory Pattern. This pattern allows us to create families of objects that conform to a common protocol. It’s structured around three main components: a factory for object creation, the products themselves, and a client that interacts with the abstracted factory and product protocols.
Check out Francesco Leoni’s guide on implementing the Abstract Factory Pattern.
Read on Swifty Lion blog
Intro to Creational Patterns
Finally, here’s a short article by Namit Gupta, providing a quick overview of each creational pattern along with code examples.
Read Namit Gupta blog
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Until next time!
Artjoms