composable

SizeTransformComposable

@Composable
fun SizeTransformComposable() {
    val navController = rememberNavController()
    Box {
        NavHost(navController, startDestination = Collapsed) {
            composable<Collapsed>(
                enterTransition = { EnterTransition.None },
                exitTransition = { ExitTransition.None },
                sizeTransform = {
                    SizeTransform { initialSize, targetSize ->
                        keyframes {
                            durationMillis = 500
                            IntSize(
                                initialSize.width,
                                (initialSize.height + targetSize.height) / 2,
                            ) at 150
                        }
                    }
                },
            ) {
                CollapsedScreen { navController.navigate(Expanded) }
            }
            composable<Expanded>(
                enterTransition = { EnterTransition.None },
                exitTransition = { ExitTransition.None },
                sizeTransform = {
                    SizeTransform { initialSize, targetSize ->
                        keyframes {
                            durationMillis = 500
                            IntSize(targetSize.width, initialSize.height + 400) at 150
                        }
                    }
                },
            ) {
                ExpandedScreen { navController.popBackStack() }
            }
        }
    }
}