In this tutorial, you’ll learn how to determine the main screen’s height and width in both UIKit and SwiftUI. You need to know this if you want your mobile apps to adapt to different screen sizes and orientations. If you are interested in learning how to determine device orientation and how to handle device rotation,…
Read More Determine Main Screen Height and Width in SwiftIn this tutorial, you will learn how to display a custom pin image on a MapView at the user’s current location. To do that, you will use the MKAnnotationView class. You also learn how to handle a user tap event on MKAnnotationView. MKAnnotationView is a way to show something on a map, like a pin…
Read More MKAnnotationView – Display Custom Pin ImageIn this tutorial, you will learn how to drop a MKPointAnnotation pin on a MapView at user’s current location programmatically in Swift. By the end of this tutorial, you will have a working Swift code example that you can use in your mobile application. Step 1: Import MapKit and CoreLocation Firstly, you need to import…
Read More Drop a MKPointAnnotation Pin on a MapView at User’s Current LocationIn this tutorial, you will learn how to create a MKMapView programmatically in Swift. By the end of this tutorial, you will have a complete code example with a map view that users can interact with, utilizing the built-in map capabilities of iOS. Let’s jump into the steps: Step 1: Import MapKit into Your Xcode…
Read More Creating MKMapView in Swift ProgrammaticallyIn this tutorial, I will show you how to validate an email address in Swift using regular expression. I will: Use a TextField for user input Use a regular expression for email validation, and Change the background color to indicate whether the email is valid. At the end of this tutorial you will find a…
Read More Validating Email in Swift Using Regular ExpressionIn this tutorial, you will learn how to fetch Facebook user profile details in Swift. First, you’ll implement sign-in with Facebook, and once logged in, you’ll fetch the user’s profile details using the Facebook SDK. Step 1: Register Your Facebook Developer Account Before integrating Facebook Login into your app, you must register as a Facebook…
Read More Fetch Facebook User Profile Details in SwiftLocal notifications are a powerful feature that allows you to engage with your users by sending timely reminders, updates, and alerts directly to their devices. In this tutorial, you’ll learn how to implement local notifications in SwiftUI, focusing on two types of triggers: time interval and calendar. I’ll start by explaining how to request notification…
Read More Create, Schedule and Receive Local Notifications in SwiftIn this tutorial, I will guide you through the process of integrating biometric authentication into your iOS application using Swift and the LocalAuthentication framework. By the end of this tutorial, you will have a functional app capable of authenticating users using the built-in biometric sensors of their devices. Step 1: Import Local Authentication Framework First,…
Read More Integrate Touch ID and Face ID for Biometric Security in iOSIn Swift, UIDatePicker is a user interface component that allows users to select a date or time. In this tutorial, I will show you how to create UIDatePicker programmatically. Step 1: Create an Instance of UIDatePicker and Set the Frame Inside your view controller’s viewDidLoad() method, instantiate a UIDatePicker and define the size of the frame. // Instance of…
Read More Create UIDatePicker programmatically in SwiftIn this tutorial, I’ll show you how to load an HTML file into a WKWebView programmatically in an iOS application. Step 1: Create WKWebView Programmatically First, let’s create an instance of WKWebView programmatically. Then initialize the WKWebView with a frame that matches the size of the device’s screen, and then add it to a view…
Read More Load HTML File Into WKWebView ProgrammaticallyIn this tutorial, you will learn how to customize UINavigationBar appearance programmatically within a UIViewController. You will use the new UINavigationBarAppearance introduced in iOS 15, but I will also provide a fallback for earlier versions. Set the Navigation Bar Background and Title Color For iOS 14 and Earlier Before iOS 15, you would have to…
Read More Customize Navigation Bar Programmatically in SwiftIn this tutorial, you will learn how to set the UITextField keyboard return button as the Done button and handle the Done button to dismiss the keyboard. Simply the UITextField is a control that displays editable text and sends an action message to a target object when the user presses the return button. If you are…
Read More Set UITextField Keyboard Return Key as Done button And Dismiss KeyboardIn this blog post, you will learn how to write a string value into a file in the Documents directory on an iOS device using Swift. This tutorial is designed for beginners who are interested in learning how to interact with the file system on iOS devices. By the end of this tutorial, you should…
Read More Write String Value Into a File in SwiftIn this blog post, you will learn how to read and write text into a file in Swift. You will first write a string value into a text file and then read the content of that text file to see if it contains the string you have written to it. So the code below includes…
Read More Read and Write Text Into a File in SwiftUserDefaults is a simple way to store small amounts of data persistently across app launches. It’s ideal for storing user preferences or other small pieces of data. However, it’s not suitable for storing large amounts of data, as it can slow down your app’s startup time. This is going to be a short tutorial with…
Read More UserDefaults example in Swift