CupertinoDialogAction class Null safety

A button typically used in a CupertinoAlertDialog.

See also:

  • CupertinoAlertDialog, a dialog that informs the user about situations that require acknowledgement.
Inheritance

Constructors

CupertinoDialogAction({Key? key, VoidCallback? onPressed, bool isDefaultAction = false, bool isDestructiveAction = false, TextStyle? textStyle, required Widget child})
Creates an action for an iOS-style dialog.
const

Properties

child Widget
The widget below this widget in the tree.
final
enabled bool
Whether the button is enabled or disabled. Buttons are disabled by default. To enable a button, set its onPressed property to a non-null value.
read-only
hashCode int
The hash code for this object.
@nonVirtual, read-only, inherited
isDefaultAction bool
Set to true if button is the default choice in the dialog.
final
isDestructiveAction bool
Whether this action destroys an object.
final
key Key?
Controls how one widget replaces another widget in the tree.
final, inherited
onPressed VoidCallback?
The callback that is called when the button is tapped or otherwise activated.
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
textStyle TextStyle?
TextStyle to apply to any text that appears in this 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.
@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