LayoutModifier

LayoutModifierSample

@Composable
fun LayoutModifierSample() {
    val verticalPadding =
        object : LayoutModifier {
            override fun MeasureScope.measure(
                measurable: Measurable,
                constraints: Constraints,
            ): MeasureResult {
                // an example modifier that adds 50 pixels of vertical padding.
                val padding = 50
                val placeable = measurable.measure(constraints.offset(vertical = -padding))
                return layout(placeable.width, placeable.height + padding) {
                    placeable.placeRelative(0, padding)
                }
            }
        }
    Box(Modifier.background(Color.Gray).then(verticalPadding)) {
        Box(Modifier.fillMaxSize().background(Color.DarkGray))
    }
}