ListView<T> class

A scrollable list of selectable items with keyboard navigation.

Supports custom selectedBuilder and unselectedBuilder for rendering each item. Arrow keys navigate, Enter/Space selects.

Inheritance

Constructors

ListView({Key? key, required List<T> items, Widget selectedBuilder(T item)?, Widget unselectedBuilder(T item)?, int initialSelectedIndex = 0, void onItemSelected(int index, T item)?, bool wrapAroundNavigation = false, ScrollController? controller, int? itemExtent})
Creates a ListView with the given items and optional builders.
const

Properties

controller → ScrollController?
An optional external scroll controller.
final
hashCode → int
The hash code for this object.
no setterinherited
initialSelectedIndex → int
The index of the item initially selected.
final
itemExtent → int?
An optional fixed height for each item row.
final
items → List<T>
The list of items to display.
final
key → Key?
Controls how one widget replaces another in the tree.
finalinherited
onItemSelected → void Function(int index, T item)?
A callback invoked when the user presses Enter or Space on an item.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
selectedBuilder → Widget Function(T item)
A builder that creates the widget for the currently selected item.
final
unselectedBuilder → Widget Function(T item)
A builder that creates the widget for unselected items.
final
wrapAroundNavigation → bool
Whether navigation wraps around at the top and bottom of the list.
final

Methods

createElement() → StatefulElement
Creates the Element for this widget.
inherited
createState() → State<ListView<T>>
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

Operators

operator ==(Object other) → bool
The equality operator.
inherited