Headline class
A widget that displays a section headline with a divider.
This widget is typically used to display section titles in the curriculum, with a consistent style and a divider underneath.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- Headline
Constructors
- Headline.new({Key? key, required String title, String? subtitle, TextStyle? titleStyle, double dividerThickness = 2.0, EdgeInsetsGeometry padding = EdgeInsets.zero, double spacingHeight = 12.0, bool? isDividerEnabled = true})
-
Creates a headline widget with a title and divider.
const
Properties
- dividerThickness → double
-
The thickness of the divider. Defaults to 2.0.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- isDividerEnabled → bool?
-
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- padding → EdgeInsetsGeometry
-
The padding around the headline. Defaults to zero.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- spacingHeight → double
-
The height between the title and the divider. Defaults to 12.0.
final
- subtitle → String?
-
final
- title → String
-
The text to display as the headline.
final
- titleStyle → TextStyle?
-
The text style for the headline. If null, displaySmall with primary color will be used.
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.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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, int wrapWidth = 65}) → 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.
inherited