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@Composable | |
fun ExpandableContent( | |
visible: Boolean = true, | |
initialVisibility: Boolean = false | |
) { | |
val enterTransition = remember { | |
expandVertically( | |
expandFrom = Alignment.Top, | |
animationSpec = tween(EXPANSTION_TRANSITION_DURATION) | |
) + fadeIn( | |
initialAlpha = 0.3f, | |
animationSpec = tween(EXPANSTION_TRANSITION_DURATION) | |
) | |
} | |
val exitTransition = remember { | |
shrinkVertically( | |
// Expand from the top. | |
shrinkTowards = Alignment.Top, | |
animationSpec = tween(EXPANSTION_TRANSITION_DURATION) | |
) + fadeOut( | |
// Fade in with the initial alpha of 0.3f. | |
animationSpec = tween(EXPANSTION_TRANSITION_DURATION) | |
) | |
} | |
AnimatedVisibility( | |
visible = visible, | |
initiallyVisible = initialVisibility, | |
enter = enterTransition, | |
exit = exitTransition | |
) { | |
Column(modifier = Modifier.padding(8.dp)) { | |
Spacer(modifier = Modifier.heightIn(100.dp)) | |
Text( | |
text = "Expandable content here", | |
textAlign = TextAlign.Center | |
) | |
} | |
} | |
} |
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