Jetpack Compose Tutorial #17: Performance — Making Your App Fast
Your app works. But it stutters when scrolling. The screen freezes for a split second when you type. Animations aren’t smooth. The problem isn’t Compose — it’s recomposition. Compose redraws parts of your UI when state changes. If it redraws too much, too often, your app feels slow. This tutorial will teach you why Compose gets slow and how to fix it. How Recomposition Works When state changes, Compose doesn’t redraw the entire screen. It redraws only the Composables that read the changed state. This is called recomposition. ...