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.
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.