GridTileBar class Null safety

A header used in a Material Design GridTile.

Typically used to add a one or two line header or footer on a GridTile.

For a one-line header, include a title widget. To add a second line, also include a subtitle widget. Use leading or trailing to add an icon.

Constructors

GridTileBar({Key? key, Color? backgroundColor, Widget? leading, Widget? title, Widget? subtitle, Widget? trailing}): Creates a grid tile bar.
const

backgroundColor → Color?: The color to paint behind the child widgets.
final
hashCode → int: The hash code for this object.
nonVirtual">@nonVirtualread-onlyinherited
key → Key?: Controls how one widget replaces another widget in the tree.
finalinherited
leading → Widget?: A widget to display before the title.
final
runtimeType → Type: A representation of the runtime type of the object.
read-onlyinherited
subtitle → Widget?: Additional content displayed below the title.
final
title → Widget?: The primary content of the list item.
final
trailing → Widget?: A widget to display after the title.
final

build(BuildContext context) → Widget: Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement: Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>: Returns a list of DiagnosticsNode objects describing this node's children.
protected">@protectedinherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void: Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a non-existent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode: Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String: A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String: Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String: Returns a one-line detailed description of the object.
inherited
toStringShort() → String: A short, textual description of this widget.
inherited

operator ==(Object other) → bool: The equality operator.
nonVirtual">@nonVirtualinherited