AppBarTheme class

Defines default property values for descendantAppBar widgets.

Descendant widgets obtain the currentAppBarThemeData object withAppBarTheme.of. Instances ofAppBarThemeData can be customizedwithAppBarThemeData.copyWith.

Typically anAppBarThemeData is specified as part of the overallTheme withThemeData.appBarTheme.

AllAppBarTheme properties arenull by default. When null, the

Constructors

AppBarTheme({Key?key,@Deprecated('Use backgroundColor instead. ' 'This feature was deprecated after v3.33.0-0.2.pre.')Color?color,Color?backgroundColor,Color?foregroundColor,double?elevation,double?scrolledUnderElevation,Color?shadowColor,Color?surfaceTintColor,ShapeBorder?shape,IconThemeData?iconTheme,IconThemeData?actionsIconTheme,bool?centerTitle,double?titleSpacing,double?leadingWidth,double?toolbarHeight,TextStyle?toolbarTextStyle,TextStyle?titleTextStyle,SystemUiOverlayStyle?systemOverlayStyle,EdgeInsetsGeometry?actionsPadding,AppBarThemeData?data,Widget?child}): Creates a theme that can be used forThemeData.appBarTheme.
const

Properties

actionsIconTheme→IconThemeData?: Overrides the default value ofAppBar.actionsIconTheme in alldescendantAppBar widgets.
no setter
actionsPadding→EdgeInsetsGeometry?: Overrides the default value ofAppBar.actionsPaddingproperty in all descendantAppBar widgets.
no setter
backgroundColor→Color?: Overrides the default value ofAppBar.backgroundColor in alldescendantAppBar widgets.
no setter
centerTitle→bool?: Overrides the default value ofAppBar.centerTitleproperty in all descendantAppBar widgets.
no setter
child→Widget: The widget below this widget in the tree.
finalinherited
data→AppBarThemeData: The properties used for all descendantAppBar widgets.
no setter
elevation→double?: Overrides the default value ofAppBar.elevation in alldescendantAppBar widgets.
no setter
foregroundColor→Color?: Overrides the default value ofAppBar.foregroundColor in alldescendantAppBar widgets.
no setter
hashCode→int: The hash code for this object.
no setterinherited
iconTheme→IconThemeData?: Overrides the default value ofAppBar.iconTheme in alldescendantAppBar widgets.
no setter
key→Key?: Controls how one widget replaces another widget in the tree.
finalinherited
leadingWidth→double?: Overrides the default value of theAppBar.leadingWidthproperty in all descendantAppBar widgets.
no setter
runtimeType→Type: A representation of the runtime type of the object.
no setterinherited
scrolledUnderElevation→double?: Overrides the default value ofAppBar.scrolledUnderElevation in alldescendantAppBar widgets.
no setter
shadowColor→Color?: Overrides the default value ofAppBar.shadowColor in alldescendantAppBar widgets.
no setter
shape→ShapeBorder?: Overrides the default value ofAppBar.shape in alldescendantAppBar widgets.
no setter
surfaceTintColor→Color?: Overrides the default value ofAppBar.surfaceTintColor in alldescendantAppBar widgets.
no setter
systemOverlayStyle→SystemUiOverlayStyle?: Overrides the default value ofAppBar.systemOverlayStyleproperty in all descendantAppBar widgets.
no setter
titleSpacing→double?: Overrides the default value of the obsoleteAppBar.titleSpacingproperty in all descendantAppBar widgets.
no setter
titleTextStyle→TextStyle?: Overrides the default value ofAppBar.titleTextStyleproperty in all descendantAppBar widgets.
no setter
toolbarHeight→double?: Overrides the default value of theAppBar.toolbarHeightproperty in all descendantAppBar widgets.
no setter
toolbarTextStyle→TextStyle?: Overrides the default value of the obsoleteAppBar.toolbarTextStyleproperty in all descendantAppBar widgets.
no setter

Methods

copyWith({IconThemeData?actionsIconTheme,Color?color,Color?backgroundColor,Color?foregroundColor,double?elevation,double?scrolledUnderElevation,Color?shadowColor,Color?surfaceTintColor,ShapeBorder?shape,IconThemeData?iconTheme,bool?centerTitle,double?titleSpacing,double?leadingWidth,double?toolbarHeight,TextStyle?toolbarTextStyle,TextStyle?titleTextStyle,SystemUiOverlayStyle?systemOverlayStyle,EdgeInsetsGeometry?actionsPadding})→AppBarTheme: Creates a copy of this object with the given fields replaced with thenew values.
createElement()→InheritedElement: Inflates this configuration to a concrete instance.
inherited
debugDescribeChildren()→List<DiagnosticsNode>: Returns a list ofDiagnosticsNode objects describing this node'schildren.
inherited
debugFillProperties(DiagnosticPropertiesBuilderproperties)→ void: Add additional properties associated with the node.
inherited
noSuchMethod(Invocationinvocation)→ 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 debuggingtools and byDiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevelminLevel =DiagnosticLevel.info})→String: A string representation of this object.
inherited
toStringDeep({StringprefixLineOne ='',String?prefixOtherLines,DiagnosticLevelminLevel =DiagnosticLevel.debug,intwrapWidth =65})→String: Returns a string representation of this node and its descendants.
inherited
toStringShallow({Stringjoiner =', ',DiagnosticLevelminLevel =DiagnosticLevel.debug})→String: Returns a one-line detailed description of the object.
inherited
toStringShort()→String: A brief description of this object, usually just theruntimeType and thehashCode.
inherited
updateShouldNotify(covariantAppBarThemeoldWidget)→bool: Whether the framework should notify widgets that inherit from this widget.
override
wrap(BuildContextcontext,Widgetchild)→Widget: Return a copy of this inherited theme with the specifiedchild.
override

Operators

operator ==(Objectother)→bool: The equality operator.
inherited

Static Methods

lerp(AppBarTheme?a,AppBarTheme?b,doublet)→AppBarTheme: Linearly interpolate between two AppBar themes.
of(BuildContextcontext)→AppBarThemeData: Retrieves theAppBarThemeData from the closest ancestorAppBarTheme.

Flutter
material
AppBarTheme class