EmptyStateWidget class

A reusable empty-state placeholder for "no results", "no data yet", or terminal error screens.

EmptyStateWidget(
  title: 'No transactions',
  description: 'When you make a payment it will appear here.',
  svgAsset: 'assets/illustrations/empty_wallet.svg',
  actionLabel: 'Add money',
  onAction: _addMoney,
)
Inheritance
Available extensions

Constructors

EmptyStateWidget({Key? key, required String title, String? description, String? svgAsset, double illustrationSize = 120, ColorModel? illustrationColor, String? actionLabel, VoidCallback? onAction, EdgeInsets? padding})
Creates an empty-state widget.
const

Properties

actionLabel → String?
Optional CTA button label. When null, no button is rendered.
final
defaultHorizontalSpace → SizedBox

Available on Widget, provided by the WidgetExtension extension

no setter
defaultVerticalSpace → SizedBox

Available on Widget, provided by the WidgetExtension extension

no setter
description → String?
Optional supporting copy shown under the title.
final
hashCode → int
The hash code for this object.
no setterinherited
illustrationColor → ColorModel?
Tint applied to the SVG.
final
illustrationSize → double
Logical pixel size for the SVG illustration. Defaults to 120.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onAction → VoidCallback?
Callback fired when the CTA is tapped. Required when actionLabel is provided.
final
padding → EdgeInsets?
Outer padding around the whole block. Defaults to 24px on all sides.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
svgAsset → String?
Optional SVG asset path used as the illustration. When null, no illustration is rendered.
final
title → String
Heading shown below the illustration.
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
center() → Center

Available on Widget, provided by the WidgetExtension extension

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.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
lightGreyBackground({required BuildContext context}) → Container

Available on Widget, provided by the WidgetExtension extension

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onTap(GestureTapCallback callback, {VoidCallback? onLongPress}) → InkWell

Available on Widget, provided by the WidgetExtension extension

padAll({double? value}) → Padding

Available on Widget, provided by the WidgetExtension extension

padBottom({double? bottom}) → Padding

Available on Widget, provided by the WidgetExtension extension

padHorizontal({double? horizontal}) → Padding

Available on Widget, provided by the WidgetExtension extension

padLeft({double? left}) → Padding

Available on Widget, provided by the WidgetExtension extension

padRight({double? right}) → Padding

Available on Widget, provided by the WidgetExtension extension

padTop({double? top}) → Padding

Available on Widget, provided by the WidgetExtension extension

padVertical({double? vertical}) → Padding

Available on Widget, provided by the WidgetExtension extension

padZero() → Padding

Available on Widget, provided by the WidgetExtension extension

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, int wrapWidth = 65}) → 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
visible(bool visible, {Widget? defaultWidget}) → Widget

Available on Widget, provided by the WidgetExtension extension

set visibility

Operators

operator ==(Object other) → bool
The equality operator.
inherited