Avatar class
A circular or rounded rectangular widget for displaying user profile images or initials.
Avatar provides a versatile component for representing users in UI interfaces. It can display either an image (from network or other sources) or user initials, with automatic fallback to initials when image loading fails. The avatar supports optional badges for status indicators and integrates seamlessly with AvatarGroup for overlapping avatar layouts.
Key Features
- Flexible Content: Supports both images and text initials
- Automatic Fallback: Falls back to initials when images fail to load
- Badge Support: Optional badge overlay for status or notification indicators
- Network Images: Built-in support for network images with caching
- Theming: Comprehensive theming via AvatarTheme
- Group Integration: Works with AvatarGroup for overlapping layouts
Initials Generation
The avatar includes intelligent initials generation via getInitials:
- For single words: First two characters (e.g., "John" → "JO")
- For multiple words: First character of first two words (e.g., "John Doe" → "JD")
- Proper capitalization and fallback handling
Example:
Avatar(
initials: 'JD',
size: 48,
backgroundColor: Colors.blue.shade100,
badge: AvatarBadge(
color: Colors.green,
size: 12,
),
);
- Inheritance
- Implemented types
- Available extensions
Constructors
-
Avatar({Key? key, required String initials, Color? backgroundColor, double? size, double? borderRadius, AvatarWidget? badge, AlignmentGeometry? badgeAlignment, double? badgeGap, ImageProvider<
Object> ? provider}) -
Creates an Avatar widget with optional image provider.
const
- Avatar.network({Key? key, required String initials, Color? backgroundColor, double? size, double? borderRadius, AvatarWidget? badge, AlignmentGeometry? badgeAlignment, double? badgeGap, int? cacheWidth, int? cacheHeight, required String photoUrl})
- Creates an Avatar with a network image.
Properties
- asBuilder → NeverWidgetBuilder
-
Available on Widget, provided by the WidgetExtension extension
no setter - asSliver → Widget
-
Available on Widget, provided by the XWidgetArcane extension
no setter - backgroundColor → Color?
-
Background color for the avatar when displaying initials.
final
- badge → AvatarWidget?
-
Optional badge widget to overlay on the avatar.
final
- badgeAlignment → AlignmentGeometry?
-
Position of the badge relative to the avatar.
final
- badgeGap → double?
-
Spacing between the avatar and badge in logical pixels.
final
- base → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - black → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - blockQuote → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - blurIn → Widget
-
Available on Widget, provided by the XWidgetEffect extension
no setter - bold → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - borderRadius → double?
-
Border radius for avatar corners in logical pixels.
final
- centered → Widget
-
Available on Widget, provided by the XWidget extension
no setter - ellipsis → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - expand → Widget
-
Available on Widget, provided by the XWidget extension
no setter - extraBold → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - extraLight → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - firstP → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - flexible → Widget
-
Available on Widget, provided by the XWidget extension
no setter - foreground → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - h1 → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - h2 → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - h3 → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - h4 → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - hashCode → int
-
The hash code for this object.
no setterinherited
- ih → Widget
-
Available on Widget, provided by the XWidgetArcane extension
no setter - initials → String
-
User initials or text to display in the avatar.
final
- inlineCode → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - intrinsicHeight → Widget
-
Available on Widget, provided by the XWidget extension
no setter - intrinsicSize → Widget
-
Available on Widget, provided by the XWidget extension
no setter - intrinsicWidth → Widget
-
Available on Widget, provided by the XWidget extension
no setter - italic → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - iw → Widget
-
Available on Widget, provided by the XWidgetArcane extension
no setter - key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - lead → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - li → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - light → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - medium → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - modify → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - mono → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - muted → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - normal → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - p → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - primaryForeground → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter -
provider
→ ImageProvider<
Object> ? -
Image provider for displaying user photos.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- safeArea → Widget
-
Available on Widget, provided by the XWidget extension
no setter - sans → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - scrollable → Widget
-
Available on Widget, provided by the XWidget extension
no setter - scrollableHorizontal → Widget
-
Available on Widget, provided by the XWidget extension
no setter - secondaryForeground → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - semiBold → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - singleLine → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - size → double?
-
Size of the avatar in logical pixels.
final
- small → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textCenter → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textEnd → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textJustify → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textLarge → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textLeft → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textMuted → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textRight → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textSmall → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - textStart → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - thin → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - underline → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - x2Large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - x3Large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - x4Large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - x5Large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - x6Large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - x7Large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - x8Large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - x9Large → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - xLarge → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter - xSmall → TextModifier
-
Available on Widget, provided by the TextExtension extension
no setter
Methods
-
animate(
{Key? key, List< Effect> ? effects, AnimateCallback? onInit, AnimateCallback? onPlay, AnimateCallback? onComplete, bool? autoPlay, Duration? delay, AnimationController? controller, Adapter? adapter, double? target, double? value}) → Animate -
Available on Widget, provided by the AnimateWidgetExtensions extension
Wraps the target Widget in an Animate instance, and returns the instance for chaining calls. Ex.myWidget.animate()is equivalent toAnimate(child: myWidget). -
asSkeleton(
{bool enabled = true, bool leaf = false, Widget? replacement, bool unite = false, AsyncSnapshot? snapshot}) → Widget -
Available on Widget, provided by the SkeletonExtension extension
Converts the widget to a skeleton with advanced configuration options. -
asSkeletonSliver(
{bool enabled = true}) → Widget -
Available on Widget, provided by the SkeletonExtension extension
Converts the widget to a skeleton suitable for sliver layouts. -
ast(
int ml) → Widget -
center(
{Key? key}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
clip(
{Clip clipBehavior = Clip.hardEdge}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
clipOval(
{Clip clipBehavior = Clip.antiAlias}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
clipPath(
{Clip clipBehavior = Clip.antiAlias, required CustomClipper< Path> clipper}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
clipRRect(
{BorderRadiusGeometry borderRadius = BorderRadius.zero, Clip clipBehavior = Clip.antiAlias}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
constrained(
{double? minWidth, double? maxWidth, double? minHeight, double? maxHeight, double? width, double? height}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _AvatarState -
Creates the mutable state for this widget at a given location in the tree.
override
-
debugContainer(
[Color color = Colors.red]) → Widget -
Available on Widget, provided by the DebugContainer extension
-
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
-
excludeSkeleton(
{bool exclude = true}) → Widget -
Available on Widget, provided by the SkeletonExtension extension
Controls whether the widget should be preserved in skeleton mode. -
expanded(
{int flex = 1}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
iconDestructiveForeground(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconLarge(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconMedium(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconMutedForeground(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconPrimary(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconPrimaryForeground(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconSecondary(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconSecondaryForeground(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconSmall(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconX2Large(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconX2Small(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconX3Large(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconX3Small(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconX4Large(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconX4Small(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconXLarge(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
iconXSmall(
) → Widget -
Available on Widget, provided by the IconExtension extension
-
ignoreSkeleton(
) → Widget -
Available on Widget, provided by the SkeletonExtension extension
Excludes the widget from skeleton effects in its parent skeleton context. -
intrinsic(
{double? stepWidth, double? stepHeight}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
intrinsicHeight(
) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
intrinsicWidth(
{double? stepWidth, double? stepHeight}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
isSliver(
BuildContext context) → bool -
Available on Widget, provided by the XSliverWidget extension
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onDoublePressed(
VoidCallback action, {HitTestBehavior? behavior, Set< PointerDeviceKind> ? supportedDevices}) → Widget -
Available on Widget, provided by the XOnGestureWidget extension
Adds a handler for double press/tap gestures to this widget in Arcane UI. -
onHover(
void action(bool hovering)) → Widget -
Available on Widget, provided by the XOnGestureWidget extension
Adds a handler for hover events to this widget in Arcane UI. -
onLongPressed(
VoidCallback action, {HitTestBehavior? behavior, Set< PointerDeviceKind> ? supportedDevices}) → Widget -
Available on Widget, provided by the XOnGestureWidget extension
Adds a handler for long press gestures with the primary button to this widget in Arcane UI. -
onLongSecondaryPressed(
VoidCallback action, {HitTestBehavior? behavior, Set< PointerDeviceKind> ? supportedDevices}) → Widget -
Available on Widget, provided by the XOnGestureWidget extension
Adds a handler for long press gestures with the secondary button to this widget in Arcane UI. -
onLongTertiaryPressed(
VoidCallback action, {HitTestBehavior? behavior, Set< PointerDeviceKind> ? supportedDevices}) → Widget -
Available on Widget, provided by the XOnGestureWidget extension
Adds a handler for long press gestures with the tertiary button to this widget in Arcane UI. -
onPressed(
VoidCallback action, {HitTestBehavior? behavior, Set< PointerDeviceKind> ? supportedDevices}) → Widget -
Available on Widget, provided by the XOnGestureWidget extension
Adds a handler for primary press/tap gestures to this widget in Arcane UI. -
onSecondaryPressed(
VoidCallback action, {HitTestBehavior? behavior, Set< PointerDeviceKind> ? supportedDevices}) → Widget -
Available on Widget, provided by the XOnGestureWidget extension
Adds a handler for secondary press gestures (right-click) to this widget in Arcane UI. -
onTertiaryPressed(
VoidCallback action, {HitTestBehavior? behavior, Set< PointerDeviceKind> ? supportedDevices}) → Widget -
Available on Widget, provided by the XOnGestureWidget extension
Adds a handler for tertiary press gestures (middle-click) to this widget in Arcane UI. -
pad(
double all) → Widget -
padBottom(
double value) → Widget -
padBy(
{double? left, double? top, double? right, double? bottom, double? horizontal, double? vertical}) → Widget -
Available on Widget, provided by the XWidgetArcane extension
-
padHorizontal(
double value) → Widget -
Available on Widget, provided by the XWidgetArcane extension
-
padLeft(
double value) → Widget -
padOnly(
{double left = 0, double top = 0, double right = 0, double bottom = 0}) → Widget -
padRight(
double value) → Widget -
padSliverBy(
{double? left, double? top, double? right, double? bottom, double? horizontal, double? vertical}) → Widget -
Available on Widget, provided by the XWidgetArcane extension
-
padSliverHorizontal(
double value) → Widget -
Available on Widget, provided by the XWidgetArcane extension
-
padTop(
double value) → Widget -
positioned(
{Key? key, double? left, double? top, double? right, double? bottom}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
shadeEdge(
double radius) → Widget -
Available on Widget, provided by the XWidgetEdge extension
-
shadeFrost(
double value) → Widget -
Available on Widget, provided by the XWidgetFrost extension
-
shadeInvert(
) → Widget -
Available on Widget, provided by the XWidgetInvert extension
-
shadePixelate(
double radius) → Widget -
Available on Widget, provided by the XWidgetPixelate extension
-
shadePixelateBlur(
{int samples = 4, double pixelSize = 8, double radius = 2}) → Widget -
Available on Widget, provided by the XWidgetPixelateBlur extension
-
shadeRGB(
{double radius = 5, double spin = 1}) → Widget -
Available on Widget, provided by the XWidgetRGB extension
-
shadeWarp(
{double amplitude = 1, double frequency = 1, double z = 1, int octaves = 2}) → Widget -
Available on Widget, provided by the XWidgetWarp extension
-
shadeWarpAnimation(
{double amplitude = 1, double frequency = 1, double z = 1, double zSpeed = 1, int octaves = 2}) → Widget -
Available on Widget, provided by the XWidgetWarp extension
-
shimmer(
{bool loading = true}) → Widget -
Available on Widget, provided by the XWidgetArcane extension
-
sized(
{double? width, double? height}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
sized(
{double? width, double? height}) → Widget -
then(
InlineSpan span) → Widget -
Available on Widget, provided by the TextExtension extension
-
thenButton(
{required VoidCallback onPressed, required Widget child}) → Widget -
Available on Widget, provided by the TextExtension extension
-
thenInlineCode(
String text) → Widget -
Available on Widget, provided by the TextExtension extension
-
thenText(
String text) → Widget -
Available on Widget, provided by the TextExtension extension
-
toBox(
BuildContext context, {bool softWarn = true}) → Widget -
Available on Widget, provided by the XSliverWidget 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
-
toSliver(
BuildContext context, {bool fillRemaining = false, bool softWarn = true}) → Widget -
Available on Widget, provided by the XSliverWidget extension
-
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
-
transform(
{Key? key, required Matrix4 transform}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
withAlign(
AlignmentGeometry alignment) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
withMargin(
{double? top, double? bottom, double? left, double? right, double? horizontal, double? vertical, double? all}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
withOpacity(
double opacity) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
withPadding(
{double? top, double? bottom, double? left, double? right, double? horizontal, double? vertical, double? all, EdgeInsetsGeometry? padding}) → Widget -
Available on Widget, provided by the WidgetExtension extension
-
withTooltip(
String tooltip) → Widget -
Available on Widget, provided by the XWidgetArcane extension
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
getInitials(
String name) → String - Generates initials from a user's full name.