EmptyComponent class
A widget that displays an empty state with an image, title, and optional subtitle.
This component is commonly used to indicate that a list or view has no data to display. It provides a centered layout with an image, title text, and optional subtitle text.
Usage:
// Default empty state
EmptyComponent()
// Custom empty state
EmptyComponent(
title: 'No items found',
subtitle: 'Try adjusting your filters',
imageUrl: 'assets/images/custom_empty.png',
width: 200,
height: 200,
)
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- EmptyComponent
Constructors
- EmptyComponent({Key? key, String title = 'Chưa có dữ liệu', String? subtitle = 'Keep up the good work!', String? imageUrl, double? width, double? height})
-
Creates an EmptyComponent widget.
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double?
-
The height of the empty state image in logical pixels.
final
- imageUrl → String?
-
The path to the image asset to display.
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.
no setterinherited
- subtitle → String?
-
Optional subtitle text displayed below the title.
final
- title → String
-
The title text displayed below the image.
final
- width → double?
-
The width of the empty state image in logical pixels.
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.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent 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, 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
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
setDefaultImage(
String defaultImage) → void - Sets the default image path for all EmptyComponent instances.