ArnaHeaderBar class

An Arna-styled header bar.

The HeaderBar displays leading, middle, and actions widgets. leading widget is in the top left, the actions are in the top right, the middle is between them.

See also:

Inheritance
Implemented types

Constructors

ArnaHeaderBar({Key? key, Widget? leading, bool automaticallyImplyLeading = true, String? title, Widget? middle, List<ArnaHeaderBarItem>? actions, Border? border, Color? backgroundColor})
Creates a header bar in the Arna style.
const

Properties

actions → List<ArnaHeaderBarItem>?
A list of ArnaHeaderBarItem widgets to display in a row after the middle widget, as the header bar actions.
final
automaticallyImplyLeading → bool
Controls whether we should try to imply the leading widget if null.
final
backgroundColor → Color?
The background color of the header bar.
final
border → Border?
The border of the header bar.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
leading → Widget?
The leading widget laid out within the header bar.
final
middle → Widget?
The middle widget laid out within the header bar.
final
preferredSize → Size
The size this widget would prefer if it were otherwise unconstrained.
no setteroverride
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
title → String?
The title displayed in the header bar.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<ArnaHeaderBar>
Creates the mutable state for this widget at a given location in the tree.
override
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}) → 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