Animations

The task manager works. You can add tasks, complete them, delete them, search, and filter. But it doesn’t feel polished. Screens change instantly. Deleting a task is jarring. There’s no feedback when you complete something. This tutorial adds the polish that makes the difference between a homework project and a real app. What We Add Feature What It Does Navigation transitions Screens slide in/out smoothly Swipe to delete Swipe a task left to delete it Animated task completion Checkbox animates, strikethrough fades in Animated list changes Tasks slide in/out when added or removed Empty state animations Gentle fade-in when list is empty Dark mode Follows system theme Snackbar with undo “Task deleted” with undo option Navigation Transitions By default, screens appear instantly. Add slide transitions: ...

Your app works. But it feels flat. Buttons appear instantly. Screens switch without transition. Content pops in and out like a slideshow from 2005. Animations fix that. They make your app feel smooth, polished, and alive — like a well-made product instead of a homework assignment. The good news: Compose makes animations surprisingly easy. You can add most animations with a single line of code. The Animation API at a Glance Compose has several animation APIs, each for a different use case: ...