Summary
This chapter showed you how easy it is to use Jetpack Compose to enrich your apps with animations and transitions. We started by using simple animations to visualize state changes. For example, I introduced you to animateColorAsState()
. We then used updateTransition()
to obtain Transition
instances and invoked extension functions, such as animateDp()
and animateFloat()
to animate several values based on state changes simultaneously.
The Showing and hiding UI elements with animations section introduced you to the AnimatedVisibility()
composable function, which allows you to apply enter and exit transitions. They are played back while the content appears or disappears. You also learned how to animate size changes using the animateContentSize()
modifier.
In the final main section, Spicing up transitions through visual effects, we used the Crossfade()
composable function to switch between two layouts with a crossfade animation. Furthermore, you learned about AnimationSpec...