Artur Gruchała

I started learning iOS development when Swift was introduced. Since then I've tried Xamarin, Flutter, and React Native. Nothing is better than native code:)

When debugger fails - true story

6 days ago 2 min read Testing Swift Debugging

Every developer has this one day, one day when he questions every life choice that leads to this moment. I had this day. I received a bug ticket - one of the requests

Sharing custom file types in iOS

a month ago 3 min read

If you are planning to share more than standard file types on iOS and make the system recognize the file and open it in your app you can use Document Types and Exported

Auto Layout, Xibs, and traits

2 months ago 2 min read

iOS and iPadOS Auto Layout are great. It helps build universal, good-looking apps for both screen sizes, provides a way to support portrait and landscape orientations without hassle. On rare occasions, it behaves

Most common Swift interview questions

2 months ago 1 min read Swift Foundation Misc UIKit

Here's my first compilation of the most common Swift and iOS interview questions. There'll be more, so follow me on Twitter & stay up to date. Have fun and try to answer the

Filtering camera preview with Metal

2 months ago 4 min read MetalKit CoreImage Metal Swift UIKit

In this post, we will use all knowledge acquired from the metal filtering lesson to filter camera preview on iPhone. I have created a starter project. It will display a camera preview using