Learn how to add a header and footer declaratively into a UICollectionView list using SupplementaryRegistration and UICollectionViewListCell.

KeyPaths are widely used in Swift, and have their grounds in a powerful FP concept: optics.

One reason I like so much working on native mobile apps is to deliver the user experience based on their region and location. Although, for every update, it can be painful for developers to recapture screenshots foreach available language. Today, I’ll share…

Creating a serverless iOS app using relational data on AWS

How to customize the default Scribble experience to allow users to start writing anywhere.

Exploring iOS, SwiftUI & much more.

Scale and animate photos from a photo grid

Learn how we create 100% shareable iOS UI components and style them to be used in different parts of Bumble and Badoo apps.

When a design system goes dark, from Martin Charlotte and Victor Carmouze.

Learn how to handle the search bar in your mobile application for iOS 14!

Implement a more interesting custom Formatter in Swift.

NSManagedObject properties can be updated upon insert, modification, or deletion using methods like awakeFromInsert and prepareForDeletion.

How Combine’s operators for connecting and merging publishers can be used to solve real-world problems, such as nested network calls, handling multiple input sources, and more.

Learn four techniques of unit testing concurrent code in Swift using the XCTest framework: mocking, test before & after, XCTestExpectation, busy assertion.

How is it that 'Optional<AnyObject>' is the same size as 'AnyObject'?

App Store server notifications provide real-time updates on a subscriber’s status, so you can create customized user experiences. The following new notifications are now available in production:

DID_RENEW lets you know when a subscriber successfully auto…

Exploring iOS, SwiftUI & much more.

Learn how to deal with tricky situations when parsing JSON with Swift's Codable.

This post shows two ways of achieving dependency injection in SwiftUI: using @EnvironmentObject or a View Model Factory.