You may have seen some examples of fixed size modifier usage while trying to fix the issue with multiline text in SwiftUI. But do you know what exactly fixed size modifier does? How does it work? Today I want to talk about all the magic and power behind the…

Learn different ways to define Auto Layout constraints programmatically.

RocketSim enhances your Simulator by adding extra functionalities like recordings with touches and device bezels, or recent build actions.

This is a special post because I fully based on another researcher, s1guza’s 0day. All of this story began from the following tweet:
Siguza told us that his 0day was patched in the iOS 13.5 beta3. So this is actually a sandbox escape 0day for the newest,…

This article assumes your app will only have one scene all of the time. (ie. no multiple scenes at the same time in iPad).At the end of this post, you will be able to implement a login screen (a navigation controller which can push to registration view),…

Presenting an alert with SwiftUI is posible by defining a state property, which can bind to the isPresented parameter of an alert.

How to write a unit test that uses UIKit’s accessibility properties.

Learn to use @dynamicMemberLookup and @dynamicCallable in Swift.

Swift’s many protocols can, in general, be split up into four main categories. Let’s go through them, and how keeping them in mind can help us write well-formed protocols that are consistent with those found in the standard library.

You’ve come to realize your View Controller in your new project has become very huge…

Gui Rambo writes about his coding and reverse engineering adventures.

Explore testing SwiftUI views. What is snapshot testing? How to snapshot test SwiftUI views with code examples? Best practices of snapshot testing in SwiftUI using Swift and Xcode.

A look at how we can use arrays in mocks to write better quality and more readable unit tests.

One of the most expected features of SwiftUI 2.0 is a SwiftUI alternative to UICollectionView. UICollectionView provides us an easy way to build super custom interfaces like calendar or photos grid. But today, I want to show you that we can create a calendar…

VSCode is a cross-platform text and source code editor from Microsoft, and among the first tools to support Language Server Protocol. With LSP for Swift now shipping in Xcode, it’s a great time to see how this integration works for yourself.

Source code of the Beta of the NHS COVID-19 iOS app - ukhsa-collaboration/COVID-19-app-iOS-BETA