GridView<T> class

A scrollable grid of selectable items with keyboard navigation.

Uses selectedBuilder and unselectedBuilder to customize the appearance of items. Supports arrow-key navigation and Enter to select.

Inheritance

Constructors

GridView({Key? key, required List<T> items, Widget selectedBuilder(T item)?, Widget unselectedBuilder(T item)?, int crossAxisCount = 2, int mainAxisSpacing = 0, int crossAxisSpacing = 0, int initialSelectedIndex = 0, void onItemSelected(int index, T item)?, bool wrapAroundNavigation = false}): Creates a GridView with the given items and optional builders.
const

crossAxisCount → int: The number of columns in the grid.
final
crossAxisSpacing → int: The horizontal spacing between columns.
final
hashCode → int: The hash code for this object.
no setterinherited
initialSelectedIndex → int: The index of the initially selected item.
final
items → List<T>: The list of data items to display in the grid.
final
key → Key?: Controls how one widget replaces another in the tree.
finalinherited
mainAxisSpacing → int: The vertical spacing between rows.
final
onItemSelected → void Function(int index, T item)?: Called when the user activates a selected item.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
selectedBuilder → Widget Function(T item): Builder for the currently selected item's appearance.
final
unselectedBuilder → Widget Function(T item): Builder for unselected items' appearance.
final
wrapAroundNavigation → bool: Whether navigation wraps around at grid boundaries.
final

createElement() → StatefulElement: Creates the Element for this widget.
inherited
createState() → State<GridView<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