Tab class Null safety

A Material Design TabBar tab.

If both icon and text are provided, the text is displayed below the icon.

See also:

Inheritance
Implemented types

Constructors

Tab({Key? key, String? text, Widget? icon, EdgeInsetsGeometry iconMargin = const EdgeInsets.only(bottom: 10.0), double? height, Widget? child})
Creates a Material Design TabBar tab.
const

Properties

child Widget?
The widget to be used as the tab's label.
final
hashCode int
The hash code for this object.
@nonVirtual, read-only, inherited
height double?
The height of the Tab.
final
icon Widget?
An icon to display as the tab's label.
final
iconMargin EdgeInsetsGeometry
The margin added around the tab's icon.
final
key Key?
Controls how one widget replaces another widget in the tree.
final, inherited
preferredSize Size
The size this widget would prefer if it were otherwise unconstrained.
read-only, override
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
text String?
The text to display as the tab's label.
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.
override
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