String comparison is a common task in Swift, and understanding how to perform case-insensitive comparisons is crucial. In this post, you’ll explore the basics of case-insensitive comparison of Strings through practical examples that will help you grasp this essential concept. Basics of String Comparison in Swift In Swift, comparing strings involves determining their order based…
Read More Case-Insensitive Comparison of Strings in SwiftIn Swift, dictionaries are an unordered collection of paired data or key-value pairs. They are very useful when you need to store data that has a specific association between a key and a value. However, sometimes you might want to remove certain items from the dictionary. In this tutorial, you will learn about different ways…
Read More Remove an Item From a Dictionary in SwiftIn a previous tutorial, you delved into the fundamentals of Swift closures, understanding their syntax, and exploring their practical applications. Building upon that knowledge, let’s explore the powerful realm of closures with multiple parameters. Understanding Closures According to Swift’s Official Documentation, closures are functional blocks in Swift that can be assigned to variables, passed as…
Read More Closures With Multiple Parameters in Swift: A Beginner’s GuideIn Swift, a dictionary is a data structure that stores information in key-value pairs. You can iterate or loop through a dictionary to access the keys and values within the loop. There are several ways to achieve this, including using for-in loops and forEach methods. Using a For-In loop The for-in loop is a simpler way to iterate…
Read More Loop Through a Dictionary in SwiftIn today’s tutorial, you’re going to delve into the world of Swift functions once again, exploring a powerful feature: variadic parameters. This tutorial builds upon the concepts you learned about how to Create a Function in Swift, Nested Functions, and Functions With Default Parameters. If you haven’t checked that out, I highly recommend you give…
Read More Discover Functions with Variadic Parameters in SwiftSwift closure is a miniature block of code, like a pocket-sized function, that you can carry around and hand out whenever needed. It’s a self-contained chunk of functionality that can be assigned to variables, passed as arguments, and even returned from other functions. Also, closures in Swift are similar to blocks in Objective-C and other…
Read More Swift Closure: A Detailed Guide For BeginnersIn this tutorial, you will learn how to create Swift functions with Default Parameters. This concept might sound a bit fancy, but don’t worry – I’ll break it down into bite-sized pieces to make it easier to understand. Understanding Default Parameters in Swift In Swift, a default parameter is like a safety net for your…
Read More Functions With Default Parameters in SwiftAdding items to a dictionary is easy, but understanding the options and best practices can make your code cleaner and more efficient. This tutorial will guide you through the various ways to add items to a Swift dictionary, from the simplest syntax to more advanced techniques. 1. Add Item to Dictionary Using Subscript Syntax This…
Read More Add Item to a Dictionary in SwiftDictionaries in Swift are like containers that hold pairs of information: a key and its corresponding value. Think of them as organized lists where each item has a unique label (key) associated with some data (value). In this tutorial, you will learn how to create a new, empty dictionary in Swift. There are a few…
Read More Create an Empty Dictionary in SwiftIn the previous tutorial, I explained how to create a function in Swift, and their importance in keeping the code modular and organized. Well, functions can also be written inside other functions, and Swift’s official documentation suggests this helps to encapsulate useful functionality within a nested function scope. In this tutorial you will learn how…
Read More Nested Functions in Swift: A Comprehensive GuideFunctions are a very important concept in programming. They allow us to write code once, and run it as many times as we want. As the official documentation states, “Functions are self-contained chunks of code that perform a specific task”. In this tutorial, you will learn how to create functions in Swift and how you can…
Read More Create a Function in SwiftIn this Swift tutorial, I’ll show you how to add new functionality to existing Swift classes using class extensions. It’s a powerful feature in Swift that lets you add your own methods or computed properties to already-defined classes, making them more versatile. Let’s start with a very simple example. Creating a Simple Extension In Swift,…
Read More Swift Class Extension ExplainedIn this short Swift code example, we will use the UIAlertController to create an alert dialog message with only one “OK” button. The code example below will demonstrate how to: Create UIAlertController with a Title and a Message to display, Add a UIAlertAction with the OK label to UIAlertController, Handle UIAlertAction to know when the user taps…
Read More Create UIAlertController with OK Button in SwiftThe following Swift code example demonstrates how to create a UIWebView programmatically and how to make it render HTML code. To break it into smaller steps, the below code snippet demonstrates how to: Create UIWebView programmatically, Implement UIWebViewDelegate functions webViewDidStartLoad and webViewDidFinishLoad, Make UIWebView render HTML Code. Render HTML in UIWebView import UIKit import WebKit class…
Read More Create UIWebView Programmatically and Render HTML CodeThe Swift code example below demonstrates how to customize the UINavigationBar appearance via the AppDelegate.swift file. The blow Swift code example covers: Set UINavigationBar tint color, Set Navigation bar Title color, Set navigation bar ItemButton tint color, Set Navigation bar background image, Set navigation bar Back button tint color. import UIKit @main class AppDelegate: UIResponder, UIApplicationDelegate…
Read More Customize UINavigationBar Appearance Programmatically via AppDelegate