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.

See also:

Inheritance

Constructors

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

Properties

backgroundColor Color?
The color to paint behind the child widgets. [...]
final
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
leading Widget?
A widget to display before the title. [...]
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
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

Methods

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, inherited
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

Operators

operator ==(Object other) bool
The equality operator. [...]
@nonVirtual, inherited