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, read-only, inherited
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
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-only, inherited
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, inherited
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, inherited