semantics

semantics

public fun SubspaceModifier.semantics(
    properties: (SubspaceSemanticsPropertyReceiver.() -> Unit)
): SubspaceModifier

Add semantics key/value pairs to the layout node, for use in testing, accessibility, etc.

Mental Model (Picture Frame vs. Canvas): When building a combined UI in Compose for XR, think of a Subspace node (such as SpatialPanel) as a "Picture Frame" existing in 3D space, and the standard 2D Compose UI elements inside it as the "Canvas".

(such as testTag and contentDescription) for 3D placement, anchoring, or testing.

• Use SubspaceModifier.semantics on the 3D container (the frame) to provide spatial properties

(the canvas) for fine-grained user interactions and TalkBack accessibility.

• Use standard androidx.compose.ui.semantics.semantics modifiers on the 2D Compose composables

Interop & Merging Guidance: The 3D Subspace semantics tree and the 2D foundational semantics tree operate as distinct hierarchies. Spatial containers do not support merging descendant semantics (mergeDescendants = true).

Parameters