LazyLayoutMeasureScope - Interface in Compose Foundation

The receiver scope of a LazyLayout's measure lambda.

Source set: Common

Added in 1.11.0-rc01

sealed interface LazyLayoutMeasureScope : MeasureScope

The receiver scope of a LazyLayout's measure lambda. The return value of the measure lambda is MeasureResult, which should be returned by layout.

Call compose to compose items emitted in a content block for a given index.

Functions

Added in 1.11.0-rc01

fun compose(@AndroidXIntRange(from = 0) index: Int): List<Measurable>

Compose an item of lazy layout.


index	the item index. Should be no larger that LazyLayoutItemProvider.itemCount.


	List of Measurables. Note that if you emitted multiple children into the item composable you will receive multiple measurebles.

Added in 1.11.0-rc01

Deprecated in 1.11.0-rc01

@ExperimentalFoundationApi
    fun measure(index: Int, constraints: Constraints): List<Placeable>

Subcompose and measure the item of lazy layout.


index	the item index. Should be no larger that LazyLayoutItemProvider.itemCount.
constraints	Constraints to measure the children emitted into an item content composable specified via LazyLayoutItemProvider.Item.


	List of Placeables. Note that if you emitted multiple children into the item composable you will receive multiple placeables, each of them will be measured with the passed constraints.