LazyColumn

LazyColumnSample

@Sampled
@Composable
fun LazyColumnSample() {
    val itemsList = (0..5).toList()
    val itemsIndexedList = listOf("A", "B", "C")

    LazyColumn {
        items(itemsList) { Text("Item is $it") }

        item { Text("Single item") }

        itemsIndexed(itemsIndexedList) { index, item -> Text("Item at index $index is $item") }
    }
}

LazyColumnWithLazyRowsSample

@Sampled
@Preview
@Composable
fun LazyColumnWithLazyRowsSample() {
    LazyColumn {
        items(100) { row ->
            val color = if (row % 2 == 0) Color.Red else Color.Blue
            LazyRow(modifier = Modifier.background(color).padding(2.dp)) {
                items(20) { column ->
                    Box(Modifier.size(64.dp).padding(2.dp)) { Text("row=$row column=$column") }
                }
            }
        }
    }
}

LazyListCacheWindowSample

@Sampled
@Composable
fun LazyListCacheWindowSample() {
    val itemsList = (0..100).toList()

    LazyColumn(cacheWindow = LazyLayoutCacheWindow(aheadFraction = 0.5f, behindFraction = 0.2f)) {
        items(itemsList) { item -> Text("Item $item") }
    }
}