ExpansionTile class

A widget that expands or collapses to reveal children below a title.

Press Enter or Space to toggle. Use ExpansionTileController for programmatic control over the expanded state.

Inheritance

Constructors

ExpansionTile({Key? key, required String title, List<Widget> children = const [], bool initiallyExpanded = false, ValueChanged<bool>? onExpansionChanged, ExpansionTileController? controller, Color? expandedColor, Color? collapsedColor, Color? iconColor, FocusNode? focusNode}): Creates an ExpansionTile with the given title and optional children.
const

children → List<Widget>: The child widgets revealed when expanded.
final
collapsedColor → Color?: The color of the title text when collapsed.
final
controller → ExpansionTileController?: An optional external controller for the expansion state.
final
expandedColor → Color?: The color of the title text when expanded.
final
focusNode → FocusNode?: An optional focus node for keyboard navigation.
final
hashCode → int: The hash code for this object.
no setterinherited
iconColor → Color?: The color of the expand/collapse arrow icon.
final
initiallyExpanded → bool: Whether the tile starts in the expanded state.
final
key → Key?: Controls how one widget replaces another in the tree.
finalinherited
onExpansionChanged → ValueChanged<bool>?: Called when the expansion state changes.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
title → String: The title text displayed in the header row.
final

createElement() → StatefulElement: Creates the Element for this widget.
inherited
createState() → State<ExpansionTile>: Creates the mutable state for this widget.
override
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
toString() → String: A string representation of this object.
inherited