OptimusButton class

Buttons are an element that let users trigger or perform an action. Button labels should inform users about what will happen upon interaction.

There's a wide variety of actions a button can trigger, including saving, logging in, deleting, and resetting. Buttons are not a navigation element.

Inheritance

Constructors

OptimusButton({Key? key, VoidCallback? onPressed, required Widget child, double? minWidth, String? badgeLabel, IconData? leadingIcon, IconData? trailingIcon, OptimusWidgetSize size = OptimusWidgetSize.large, OptimusButtonVariant variant = OptimusButtonVariant.primary})
const

Properties

badgeLabel String?
Badge text. Typically used for the counter.
final
child Widget
Typically the button's label.
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
leadingIcon IconData?
The icon to the left of the child.
final
minWidth double?
The minimal width of the button.
final
onPressed VoidCallback?
Called when the button is tapped or otherwise activated.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
size OptimusWidgetSize
Size of the button widget.
final
trailingIcon IconData?
The icon to the right of the child.
final
variant OptimusButtonVariant
The variant of the button.
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}) 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