Network Framework in iOS: How to Monitor Network Status Changes
Hello folks and welcome! Beyond any doubt, all apps that exchange data with servers need to know one thing all the time: Whether they are connected to Internet or not. When being offline, it’s usually desirable to alter the...
What’s New in Natural Language APIs in iOS 13
Last year, Apple debuted a new framework called NaturalLanguage. This was the next step in making text-based machine learning much more accessible to developers all around. This year, the progress has not stopped as Apple has...
macOS Programming: Working with Table Views
Welcome to a new macOS programming tutorial which I believe you will find quite interesting! Today we are going to talk about one of the most common Cocoa controls found in macOS applications: Table views. A table view in macOS...
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,...
SwiftUI First Look: Building a Simple Table View App
WWDC 2019 was one of the more exciting keynotes in terms of advancements in developer tools. One of the biggest and the best announcements was the release of SwiftUI. SwiftUI is a brand new framework that allows you to design and...
RESTful API Tutorial: How to Upload Files to a Server
Welcome to a new, hopefully exciting tutorial! In a previous post I showed to you the process of creating a custom class that manages web requests and RESTful APIs. Today, we will keep building on it, as I would like to focus on...
Advanced Animations with UIViewPropertyAnimator
Animations are cool. They are an important part of iOS Human Interface Guidelines. Animations help you to draw user’s attention to important things or just add some fun to your app. There are few ways to implement animations in...
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...
How USDZ Enables New Experiences for ARKit
At WWDC 2018, Apple announced various improvements to its support for Augmented Reality experiences and one of those was the support of a new file format, USDZ. USDZ enables new experiences and adds new ways in which users can...