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 …
Creating Weak Protocol References in Pure Swift (Without @objc) Read More »
This tutorial will guide you through understanding and resolving the swift compiler Error – “Non-modular header inside framework module”. When working with Swift and frameworks, you may encounter the error message “non-modular header inside framework module.” This error typically occurs when you’re importing a framework into your Swift project and the framework contains headers (.h …
Swift Compiler Error – “Non-modular header inside framework module” Read More »
This article will show how you can detect the current device with UI_USER_INTERFACE_IDIOM() in Swift. When developing iOS applications in Swift, it is often necessary to adapt the user interface based on the type of device the app is running on. The UI_USER_INTERFACE_IDIOM() macro, along with the UIDevice class and the UIUserInterfaceIdiom enum, provides a …
Detect Current Device with UI_USER_INTERFACE_IDIOM() in Swift Read More »
This tutorial will guide you through the steps to successfully incorporate Swift classes into your Objective-C project. If you’re encountering issues integrating Swift classes into your Objective-C project in Xcode, you’re not alone. Follow these steps, and you’ll have your Swift classes seamlessly working alongside your Objective-C code. Prerequisites Step 1: Create Swift File Open …
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visionOS is very new at this point and working with that in SwiftUI might be difficult due to the less resources on the internet. Today I found a warning like: Unable to present another Immersive Space when one is already requested or connected in SwiftUI. In this post, I will tell you why this happens …
This article will show how you can fix the “Fatal error: Unexpectedly found nil while unwrapping an Optional value” in Swift. The “Fatal error: Unexpectedly found nil while unwrapping an Optional value” is a common runtime error in Swift, often encountered when working with optional. Understanding Optionals in Swift In Swift, optionals are used to …
Fixing “Fatal error: Unexpectedly found nil while unwrapping an Optional value” in Swift Read More »
In this tutorial, we will explore different methods to obtain the Nth character of a string in Swift. We will primarily focus on using the index() method and demonstrate a recommended approach using a String extension. Using the index() Method The index() method is a powerful tool in Swift that helps us access characters at …
This article will show how you can round a double value to X number of decimal places in Swift. Rounding a Double value to a specific number of decimal places is a common task in Swift. There are various ways to achieve this, and the community has provided different solutions. Using Swift’s round Function The …
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This tutorial will guide you through the process of replacing #ifdef in Swift using conditional compilation. In Swift, the #ifdef preprocessor directive commonly used in languages like C or Objective-C is not directly available. However, Swift provides conditional compilation through the use of build configurations and conditional compilation flags. Create Conditional Compilation Flags In Swift, …
This article will show how you can Iterate a Loop with Index and Element in Swift. Swift provides multiple ways to iterate over a collection while accessing both the index and the element in each iteration. In this tutorial, we’ll explore two commonly used methods: indices and enumerated(). Using indices Property The indices property is …
How to Iterate a Loop with Index and Element in Swift Read More »