You’ve heard a lot that Jetpack Compose is a declarative UI toolkit and it recomposes only the components that changed. But what does it exactly mean? How does it apply not only in the scale of one composable function but the entire app? Well, it turns out there is more than meets the eye when it comes to recomposition, and in this talk, we will deep dive into its benefits, costs, and gotchas. You’ll learn some practical tips to efficiently build functions in Jetpack Compose.