Bump up your app’s security — Sometimes, logging users into your app with their e-mail and password is enough for security purposes. You need a way of authenticating the user, so it becomes impossible for someone else to enter their account. …

Aiming efficiency, the Set type in Swift comes as ideal when we just want a data structure where we need to know if a specific element of a given type belongs to the set or not and list all the elements that exist in there. Differently from arrays and lists…

Abstracting legacy and native dependencies from the Apple environment — Imagine you have an old part of your iOS app that requires new features and adaptations to certain flows for regulatory purposes. Additionally, you have a continuous integration system that blocks pull requests that do not contain enough tests, so every function and class must be unit tested in an…

Various ways to use the Observer class — If you work with object-oriented programming, certainly you are familiar with (or at least have already heard about) the Observer design pattern. This pattern consists of an Observable class that emits events with custom data attached to it. …

If you are applying to a software developer position, all the companies have their own technical interview templates and it’s impossible to have a preview about what will happen during the board. But something is certain: You will be given 10(or maybe a different quantity) minutes to ask anything you…

Declaring the data inside some computed properties — In the last series, I presented the first solution to organize your pipeline with three steps. At the same time, you will never be confused about which step should come first. Indeed it is a good coding practice. However, there is an issue regarding encapsulation. Since the methods for view…

An in-depth guide to best practices for your projects — Almost one hundred percent of iOS developers, except those conceived through SwiftUI API, started learning to build UI interfaces with storyboards. …

Resuming our iOS VIPER series, it's time to talk about the most important design patterns that fit a VIPER scene. Since VIPER is a complex architecture, there are multiple ways to create and bind its layers, establish a relationship between different sides and make your code more legible. I might…

I think one of the most relevant questions regarding VIPER is about the separation of tasks between its layers. Its's clear enough, according to our previous article that View is only responsible of displaying our UI with proper content and build hierarchy; Router takes care of all context changes(popups, modals…