Learn how to take a disaster of nested stack views and untangle it into a great user interface.

Strings get a massive power up in Swift 5.0.

Enumerations provide clarity and intent. Some change and yet others remain stagnant, and now we program effectively for either case.

TL;DR Executive summary : // open the app permission in Settings app UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!, options: [:], completionHandler: nil) From the previous Core Location tutorial, we need to prompt an authorization…

A detailed explanation of the required keyword. The keyword is often misunderstood and is used within classes, with protocols and more.

In this article we will be generating strong passwords with AutoFill and store them in the keychain so they can easily be used when logging in.

One really elegant aspect of Swift’s design is how it manages to hide much of its power behind much simpler programming constructs. Pattern matching is one source of that power, especially considering how it’s integrated into many different aspects of the…

What is a best-in-class iOS app? How are they built, and can we quantify what makes them great?

In iOS, the Responder Chain is the name given to an UIKit-generated linked list of UIResponder objects, and is the foundation for everything regarding events (like touch and motion) in iOS.

In this article you will learn how to dynamically size collection view cells based on their content.

Container view controllers are a way to combine the content from multiple ViewControllers into a single user interface. Child ViewControllers are one of the undervalued features of iOS SDK. We use it every day by use of UINavigationController or UITabBarController.…

Unit tests and memory leaks

Weak vs strong vs unowned – know the difference in closures

An easy way to add more structure to your classes by leveraging structs and enums

Learn how to create a pod from scratch and utilize Travis and Codecov to make the pod robust.

There might be occassion that your app got launched by user tapping push notification in the control center. Sometimes we might want to do a certain action if the app is launched from push notification, say move to a certain view controller or call a certain…

Unwind segues in iOS can be quite confusing. Unlike their forward counterpart, they are based on a more complicated mechanism and different rules. That usually complicates their setup. Moreover, many wonder why you should use an unwind segue when you can…

The UserDefaults API can at first glance appear to be somewhat limited. However, it turns out that the power of UserDefaults extends far beyond simply storing and loading basic value types. This week, let’s take a look at what some of that power comes from…

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