SwiftUI Tip: Drawing a Border with Rounded Corners for Buttons and Text
With SwiftUI, you can easily draw a border around a button or text (and it actually works for all views) using the border modifier. Say, for example, you want to create a button like this: We can apply the border modifier on a...
A Beginner’s Guide to SwiftUI Buttons
I don’t think I need to explain what a button is. It’s a very basic UI control that you can find in all apps and has the ability to handle users’ touch, and trigger a certain action. If you have learned iOS...
How to Preview Your iOS Apps in Dark Mode Using Xcode 11
Earlier, Apple dropped the first beta of iOS 13 to the public. For a general user, dark mode is definitely the biggest visual change in this release. By flipping an option in Settings, iOS makes everything dark! In dark mode, the...
How to Build a Form UI with SwiftUI
In the introductory tutorial, we gave you an overview of SwiftUI and walked you through how to build a simple user interface. After exploring the framework for around a week, I really enjoy developing user interface with SwiftUI,...
How to Resolve “Couldn’t instantiate class named WKWebView” Error When Using WebKit
I got a question from a reader about the following error when using WKWebView in storyboard: Could not instantiate class named WKWebView because no class named WKWebView was found; the class needs to be defined in source code or...
Our Swift Books and Course are Updated for iOS 12, Swift 5, and Xcode 10
Our flagship course – Beginning iOS 12 Programming with Swift, which is now fully updated for Xcode 10, Swift 5, and iOS 12. As always, whether the course is delivered through eBooks or video tutorials, it is designed for...
How to Create Top/Bottom Rounded Corners for Views and Buttons
We are launching a new series of tutorials to answer some of the common questions. The questions can be simple ones from beginners and tough ones that require some works. One of the questions is: I know how to create rounded...
6 Years of AppCoda
Today we are celebrating our sixth year of AppCoda. As I always mention, when I came up with an idea to create an iOS programming blog, I never imagine it would allow me to quit my corporate job and working on AppCoda full-time....
Working with URL Schemes in iOS Apps
The URL scheme is an interesting feature provided by the iOS SDK that allows developers to launch system apps and third-party apps through URLs. For example, let’s say your app displays a phone number, and you want to make...
Building a Barcode and QR Code Reader in Swift 4 and Xcode 9
So, what’s QR code? I believe most of you know what a QR code is. In case you haven’t heard of it, just take a look at the above image – that’s a QR code. QR (short for Quick Response) code is a kind of...