LayoutAndroid

Disclosure

Reveal optional native content through a controlled, accessible disclosure trigger.

Public APILumenDisclosureAndroid / Compose

Native example

Use Disclosure

Use for optional supporting detail within the current screen. Keep navigation and multi-step application structure in platform navigation containers.

Disclosure rendered in the Android phone emulator Lumen playground — Verified runtime captureAndroid phone emulator

LumenDisclosure(
    title = "Implementation notes",
    expanded = expanded,
    onExpandedChange = ::setExpanded
) {
    LumenText("Native details")
}

Reference

Public API

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

API	Values or type	Default	Description
title	`String`	`Required`	Names the disclosure trigger.
expanded	`Boolean`	`Required`	Stores the controlled expanded state.
onExpandedChange	`(Boolean) -> Unit`	`Required`	Updates the controlled state.
description	`String?`	`nil`	Adds concise supporting copy to the trigger.
enabled	`Boolean`	`true`	Controls native disabled state.
content	`Native content`	`Required`	Provides content that is mounted only while expanded.

Native behavior

Design and accessibility

When to use it

Use for optional supporting detail within the current screen. Keep navigation and multi-step application structure in platform navigation containers.

Accessibility

The native trigger exposes expanded or collapsed state. Collapsed content leaves the accessibility and focus trees.

Shared component

Available on other platforms

React Native Apple / SwiftUI