Justin Wright, Author at CodersPacket

Difference between #available and @available in Swift

Leave a Comment / Swift / By Justin Wright

This article will help you to understand the difference between #available and @available in Swift. Swift, Apple’s programming language, provides developers with powerful tools to handle version-specific code and ensure compatibility across different iOS, macOS, watchOS, and tvOS platforms. Two essential constructs for managing API availability and versioning are #available and @available. In this tutorial, …

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Making Swift Enums Conform to Identifiable Protocol.

Leave a Comment / Swift / By Justin Wright

If you intend to use Swift Enums in a List or ForEach, it’s essential to make your enum conform to the Identifiable protocol. Here, we will explore the process of achieving this for two types of enums those are: Identifiable Protocol Overview The Identifiable protocol provides a way to uniquely identify items. To conform, a …

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How to get all enum values as an array in Swift

Leave a Comment / Swift / By Justin Wright

This article will show you how to get all enum values as an array in Swift. In Swift, enums provide a way to define a group of related values. Sometimes, you might need to get all the values of an enum as an array for various purposes like iteration, conversion, or validation. Here’s a step-by-step …

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How to Break Multiple Nested Loops in Swift

Leave a Comment / Swift / By Justin Wright

This tutorial will guide you through the process of breaking out of multiple nested loops in Swift using labeled loops. Sometimes in Swift, you might encounter scenarios where you need to break out of multiple nested loops at once. This can be achieved by labeling your loops and then using those labels with the break …

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Sort an array of custom objects by property value in Swift

Leave a Comment / Swift / By Justin Wright

This article will show you how to sort an array of custom objects by property value in Swift. Sorting an array of custom objects by a property value is a common task in Swift. Whether your objects conform to the Comparable protocol or not, Swift provides several ways to achieve this. Declare Typed Array Before …

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How to convert a JSON string to a dictionary in Swift

Leave a Comment / Swift / By Justin Wright

In this tutorial, you will see how to convert a JSON string to a dictionary in Swift. In Swift, converting a JSON string to a dictionary typically involves using the JSONSerialization class from the Foundation framework. Here’s a step-by-step explanation and example: Step 1: Import Foundation First, ensure that you import the Foundation framework at …

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Running Terminal Commands in Swift Script

Leave a Comment / Swift / By Justin Wright

This tutorial will show how to run a terminal command in a Swift script. Running a terminal command in a Swift script can be useful for various purposes, such as automating tasks, interacting with the system, or executing external programs. Prerequisites: Ensure that you have Xcode installed on your macOS system. Xcode includes the Swift …

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Dispatch_after – GCD in Swift

Leave a Comment / Swift / By Justin Wright

This tutorial will focus on the dispatch_after function, which is used to execute a block of code after a specified delay. Grand Central Dispatch (GCD) is a powerful framework in Swift for writing concurrent code. One common use case is delaying the execution of a block of code. Basic Usage (Pre-Swift 3) Here, the tutorial …

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Providing a Localized Description with an Error Type in Swift

Leave a Comment / Swift / By Justin Wright

This tutorial will guide you through implementing localized error descriptions using LocalizedError and CustomNSError protocols, as well as handling errors with parameters. In Swift, error handling is a crucial aspect of robust application development. Xcode 8 introduced the LocalizedError protocol, allowing Swift-defined error types to provide localized error descriptions. Implementing Localized Error Descriptions In this …

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Creating Weak Protocol References in Pure Swift (Without @objc)

Leave a Comment / Swift / By Justin Wright

This tutorial will guide you through the process of declaring and using a weak protocol reference in a pure Swift environment. In Swift, when working with protocols, especially in the context of delegates, it’s essential to manage references properly to avoid strong reference cycles. The official way to create a weak reference in Swift is …

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Author name: Justin Wright