Dialog class Null safety

A Material Design dialog.

This dialog widget does not have any opinion about the contents of the dialog. Rather than using this widget directly, consider using AlertDialog or SimpleDialog, which implement specific kinds of Material Design dialogs.

See also:

Inheritance

Constructors

Dialog({Key? key, Color? backgroundColor, double? elevation, Duration insetAnimationDuration = const Duration(milliseconds: 100), Curve insetAnimationCurve = Curves.decelerate, EdgeInsets? insetPadding = _defaultInsetPadding, Clip clipBehavior = Clip.none, ShapeBorder? shape, AlignmentGeometry? alignment, Widget? child})
Creates a dialog.
const

Properties

alignment → AlignmentGeometry?
How to align the Dialog.
final
backgroundColor → Color?
The background color of the surface of this Dialog.
final
child → Widget?
The widget below this widget in the tree.
final
clipBehavior → Clip
Controls how the contents of the dialog are clipped (or not) to the given shape.
final
elevation → double?
The z-coordinate of this Dialog.
final
hashCode → int
The hash code for this object.
nonVirtual">@nonVirtualread-onlyinherited
insetAnimationCurve → Curve
The curve to use for the animation shown when the system keyboard intrudes into the space that the dialog is placed in.
final
insetAnimationDuration → Duration
The duration of the animation to show when the system keyboard intrudes into the space that the dialog is placed in.
final
insetPadding → EdgeInsets?
The amount of padding added to MediaQueryData.viewInsets on the outside of the dialog. This defines the minimum space between the screen's edges and the dialog.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited
shape → ShapeBorder?
The shape of this dialog's border.
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