ParentDataModifierNode

Artifact: androidx.compose.ui:ui

View Source

Added in 1.3.0

Common/AllAndroid/JVM

• Cmn

  interface ParentDataModifierNode : DelegatableNode

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A Modifier.Node that provides data to the parent Layout. This can be read from within the the Layout during measurement and positioning, via IntrinsicMeasurable.parentData. The parent data is commonly used to inform the parent how the child Layout should be measured and positioned.

This is the androidx.compose.ui.Modifier.Node equivalent of androidx.compose.ui.layout.ParentDataModifier

Summary

Public functions
Any?	Density.modifyParentData(parentData: Any?) Provides a parentData, given the parentData already provided through the modifier's chain.	Cmn

Extension functions
Unit	ParentDataModifierNode.invalidateParentData() This invalidates the current node's parent data, and ensures that layouts that utilize it will be scheduled to relayout for the next frame.	Cmn

Inherited functions
From androidx.compose.ui.node.DelegatableNode open Unit onDensityChange() Invoked when the density changes for this node. Cmn open Unit onLayoutDirectionChange() Invoked when the layout direction changes for this node. Cmn

Inherited properties
From androidx.compose.ui.node.DelegatableNode Modifier.Node node A reference of the Modifier.Node that holds this node's position in the node hierarchy. Cmn

Public functions

modifyParentData

Cmn

Artifact: androidx.compose.ui:ui

View Source

Added in 1.3.0

fun Density.modifyParentData(parentData: Any?): Any?

Provides a parentData, given the parentData already provided through the modifier's chain.

Extension functions

invalidateParentData

Cmn

Artifact: androidx.compose.ui:ui

View Source

fun ParentDataModifierNode.invalidateParentData(): Unit

This invalidates the current node's parent data, and ensures that layouts that utilize it will be scheduled to relayout for the next frame.