AppBarAction class Null safety

It must be used in a ResponsiveAppBar in actions.

Inheritance

Constructors

AppBarAction(Widget child, {Key? key, bool center = false, bool showInAllScreens = false, bool showInDesktop = true, bool showInPhone = false, bool showInTablet = false, bool showInWatch = false})
Define a AppBarAction widget.
const

Properties

center bool
Wrap child with Center widget.
final
child Widget
The primary widget displayed in the app bar action.
final
hashCode int
The hash code for this object.
@nonVirtualread-onlyinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
showInAllScreens bool
Indicates if the action should be shown in all screens.
final
showInDesktop bool
Indicates if the action should be shown on desktop screens.
final
showInPhone bool
Indicates if the action should be shown on phone screens.
final
showInTablet bool
Indicates if the action should be shown on tablet screens.
final
showInWatch bool
Indicates if the action should be shown on watch screens.
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.
@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

Operators

operator ==(Object other) bool
The equality operator.
@nonVirtualinherited