When working with RxSwift, you should know how to prevent leaks and write tests on Rx memory leaks

Since Xcode 7, iOS developers can generate a code coverage for their app: a report showing which area of their app is covered by unit tests. However, this is isn’t always accurate, let’s see why you should not base your code health only on code coverage.

From nested menus to custom previews, use this guide to become a context menu wizard 🧙‍♂️

I promised myself once: “I will never write an article about architecture, cause it is the banalest topic”. I have never been so wrong in…

This week, let’s take a look at a few different ways that reducers can be used in Swift — ranging from transforming sequences, to accumulating asynchronous values using Apple’s new Combine framework, and beyond.

After waiting for what felt like an eternity (but was only, like, a year), Dark Mode is now finally coming to the iPhone and iPad iOS 13. But will your app be ready on launch day?

Get started and learn how to write unit tests to validate your code. Best practices help you to be more productive by writing better tests.

This week I want to talk to you about modeling data layer in SwiftUI. I already finished work on my very first app, which I build entirely with SwiftUI. And now I can share with you the way of architecting model layer using store objects which I used during…

Have you ever asked yourself which algorithm is used by Swift's sorting method? There are many sorting algorithms out there, and chances are that you'll rarely have to use something other than the language's builtin sort() method. However, knowing the properties…

This blog is for entrepreneurs & iOS developers. It is an iOS tutorial on integrating dual camera video recording feature while developing an iOS app.

In this post we'll look at a very specific but tricky interaction in UIKit, one which took me multiple days to work out how to implement. It's two view controllers of different sizes, pushed on a UINavigationController, which is presented as a popover. The…

This year Apple gives us UICollectionViewCompositionalLayout and this class continues the era of declarative programming. In this tutorial, I’ll show you everything you need to know about it!

Welcome to MakeML Tutorials.

There's a popular trend in recent iOS apps which when user tap a button, a card-like modal will appear from the bottom and user can drag to expand, contract, or dismiss it. Facebook and Slack app uses this UI design :In this tutorial, we will analyze how…

In Part 1, we have managed to implement the show and hide card animation when user tap on button or the dimmer view. In this part, we are going to implement the card dragging animation. This post assume that you already knew about Auto Layout and Delegate.In…

Protocol-oriented programming is an indispensable tool for any expert iOS developer. In this conclusive guide you will discover which problems it solves.

Let's learn best practices, tips and tricks of iOS unit testing with Swift and XCTest framework.