findRootCoordinates API Reference in Compose UI

Walks up the LayoutCoordinates hierarchy to find the LayoutCoordinates whose LayoutCoordinates.parentCoordinates is null and returns it.

findRootCoordinates

Source set: Common

fun LayoutCoordinates.findRootCoordinates(): LayoutCoordinates

Walks up the LayoutCoordinates hierarchy to find the LayoutCoordinates whose LayoutCoordinates.parentCoordinates is null and returns it. If LayoutCoordinates.isAttached, this will have the size of the ComposeView.

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Last updated: 2026-06-18