SnackBarAction class Null safety

A button for a SnackBar, known as an "action".

Snack bar actions are always enabled. If you want to disable a snack bar action, simply don't include it in the snack bar.

Snack bar actions can only be pressed once. Subsequent presses are ignored.

See also:

Inheritance

Constructors

SnackBarAction({Key? key, Color? textColor, Color? disabledTextColor, required String label, required VoidCallback onPressed})
Creates an action for a SnackBar.
const

Properties

disabledTextColor Color?
The button disabled label color. This color is shown after the SnackBarAction is dismissed.
final
hashCode int
The hash code for this object.
nonVirtual">@nonVirtualread-onlyinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label String
The button label.
final
onPressed VoidCallback
The callback to be called when the button is pressed. Must not be null.
final
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
textColor Color?
The button label color. If not provided, defaults to SnackBarThemeData.actionTextColor.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<SnackBarAction>
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.
protected">@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.
nonVirtual">@nonVirtualinherited