About
Hi, I am Mateusz. iOS developer since 2013. Currently @ Pegasystems, Kraków.
Welcome!
Recent posts
Bottom sheet on iOS15 using UISheetPresentationController and Xcode 13
With iOS15 and Xcode 13 we are getting an exciting new UI component: an UISheetPresentationController allowing to present Maps-style sheet with any kind of content. Let's see how to use it!
Finding closest locations with GKRTree in Swift
Recently, I have faced a problem of efficiently looking up locations that are geographically close to a specified point. Let's see how Apple-provided R-tree implementation can help us with such task.
Customizing Xcode file header comments
Header comments should be consistent across all project files. Let's see how Xcode and SwiftLint can help us to standardize them across the team.
Running Kotlin/Native unit tests on iOS Simulator
Developing a Kotlin/Native solution may require running unit test on iOS Simulator. How to do it?
Reading application entitlements with Swift
Application’s entitlements are an invaluable source of useful information. Is it possible to access them using Swift?
Kotlin/Native and Xcode integration insights
Kotlin/Native has become a truly considerable solution for the iOS and Android apps that share pieces of common business logic. Let's see how to make use of it in Xcode project.
Emitting errors and warnings in Xcode Run Script Phase
There are many reasons one could need to execute some arbitrary code while running a build from Xcode. This article shows how to add a simple Run Script Phase and emit log, warning and error messages from it.