Data displayAndroid

Tree

Browse hierarchical records with controlled disclosure and selection.

Public APILumenTreeAndroid / Compose

Native example

Use Tree

Use stable flat graph identities. Invalid graphs fail closed; state edits retain unknown host IDs. Read-only selection still permits disclosure. Localize depth and disclosure formatters.

Tree rendered in the Android phone emulator Lumen playground — Captured exampleAndroid phone emulator

LumenTree("Files", nodes, expanded, { expanded = it }, selectedIds = selected, onSelectionChange = { selected = it })

Reference

Public API

The primary shared and platform-specific options exposed by LumenTree.

API	Values or type	Default	Description
nodes	LumenTreeNode records	Required	Defines stable identity, parent, label and disabled/selectable state.
expandedIds / selectedIds	Controlled sets	Required expansion / optional selection	Preserves host state through hidden and unavailable nodes.
loading / error / readOnly	Platform state values	Ready / no error / editable	Hides stale controls during result states and guards mutations.

Native behavior

Design and accessibility

When to use it

Use stable flat graph identities. Invalid graphs fail closed; state edits retain unknown host IDs. Read-only selection still permits disclosure. Localize depth and disclosure formatters.

Accessibility

Localized disclosure and depth with native selection controls and inherited disabled state.

Shared component

Available on other platforms

React Native Apple / SwiftUI