I was recently searching for onboarding journey in iOS, that succession of screens displayed at the first launch of a freshly installed mobile app. But regardless how beautiful the design can be, why so many people are tempted to skip it. I listed things to consider while creating an onboarding journey for your iOS app.

After some times creating different iOS apps following an MVVM pattern, I’m often not sure how to implement the navigation. If the View handles the rendering and user’s interactions and the ViewModel the service or business logic, where does the navigation sit? That’s where Coordinator pattern takes place.

Last year, I launched with a friend Japan Direct, an itinerary app for Japan travellers. Even if the first version came up quite quickly, I kept iterate but always staying focus on customer feedback first. Almost a year later, it’s good time for synthesis, see what worked and how we created a customer focused app.

Apple introduced in iOS8 trait variations that let developers create more adaptive design for their mobile apps, reducing code complexity and avoiding duplicated code between devices. But how to take advantage of variations for UICollectionView?

This post will cover how to setup variations via Interface Builder as well but also programatically, using AutoLayout and UITraitVariation with a UICollectionView to create a unique adaptive design.

For last couple weeks, I’ve worked a lot about how to integrate RxSwift into an iOS project but I wasn’t fully satisfied with the view model. After reading many documentation and trying on my side, I’ve finally found a structure I’m happy with.

Since WWDC18, Apple made it way easier to developers to create model for machine learning to integrate iOS apps. I have tried myself in the past different models, one for face detection and create another with Tensorflow to fashion classification during a hackathon. Today I’ll share with you how I create a model dedicated to fashion brands.

It took me quite some time to get into Reactive Programming and its variant adapted for iOS development with RxSwift and RxCocoa. However, being fan of MVVM architecture and using an observer design pattern with it, it was natural for me to revisit my approach and use RxSwift instead. Thats what I’m going to cover in this post.

The delegation pattern is one of the most common design pattern in iOS. You probably use it on daily basis without noticing, every time you create a UITableView or UICollectionView and implementing their delegates. Let’s see how it works and how to implement it in Swift.

Part of the journey in software development is testability. Regarding mobile development, testability for your iOS app goes through UI testing. Let’s see different way to inspect any UI elements and prepare your iOS app for UI automation testing.

While wishing a happy new year around me, people helped me realised how many good things happened to me this year. Funny enough, while listing my goals for 2019, I found the matching list for 2018 and here is what really happened.