In this post, I want to give you a clear explanation of type variance in Kotlin. We’ll cover the following topics: introduction to variance invariance, covariance, and contravariance declaration-site and use-site variance Let’s dive right in! 🤓 Introduction to variance When talking about variance, you can think about the relation between generic types…

Using the same language throughout your whole project can further streamline and speed up your development process. With the stable release announcement of the Kotlin DSL for Gradle, things got even more compelling for modern Android development considering Kotlin is now the preferred language for Android. …