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">@nonVirtualread-onlyinherited
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.
finalinherited
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-onlyinherited
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">@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