Every iOS developer needs to understand the possible states and lifecycle of an iOS application. Knowing when the state enables us to work behind the scenes.

A really elegant aspect of Swift's take on optionals is that they're largely implemented using the type system - since all optional values are actually represented using an enum under the hood. That gives us some interesting capabilities, since we can extend…

Have you wondered why your App doesn’t rotate to upside down on the iPhone but works fine on the iPad? How about preventing your App from rotating at all or restricting rotation for some view controllers but not all of them? Changing the orientations that…

There is a subtle way to overload software components, by making them both take decision and act on them. We can simplify these bloated components by separating the responsibility of taking decisions from the one action on them. This will result in leaner…

Someday you go to the office and immediately you get a message from you boss that telling you the app got some weird crashes with the logs look like below: Exception Type: EXC_CRASH (SIGKILL) Exception Codes: 0x0000000000000000, 0x0000000000000000 Exception…

A look at how we generate our screenshots for the iOS App Store.

Fight against massive view controllers with coordinators on iOS.

Make your TabBar a little more interesting

Alamofire is a popular framework and makes it easy to set up networking. Using the request adapter we can create a authentication layer using e.g. JWT.

Before your app even runs main and +applicationDidFinishLaunching, a considerable amount of work is done. Here’s a production-ready alternative to DYLD_PRINT_STATISTICS.

Frustrated with iOS localization? Our @jablair digs into the latest ways to tackle the task.

Bézier curves are, to me, one of the best examples of mathematical beauty

From constructing a Convolutional Neural Network to deploying an OCR to iOS

You can find it on npm as shortcuts-js, and find the documentation on GitHub.

Learn to leverage UITextContentType and UITextInputTraits to provide smart suggestions, helpful automation and useful keyboards on your UITextFields.

Signposts are a great tool to measure the performance of your code and in this article we'll set up signposts and show how to use them.

In this short article we'll go over how to set the state restoration in your apps and, ultimately, improve the user experience.

One of the most important roles of any software architecture is to make the relationships between the various objects and values within an application as clear as possible. This week, let's take a look at how we can do that by using the type system to set…