ImageWidget class final
The ImageWidget
class is a widget
that displays an image from a network URL, asset path, or bytes.
The widget supports displaying images of type png
, jpg
, jpeg
, and svg
.
The widget also supports customizing the image's box fit, placeholder, error, height, width, and fade in/out animations.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- ImageWidget
Constructors
- ImageWidget.asset({required String assetPath, BoxFit boxFit = BoxFit.cover, Widget placeholderBuilder(BuildContext)?, Widget errorBuilder(BuildContext)?, double? height, double? width, Duration fadeInDuration = _defaultFadeInDuration, Duration fadeOutDuration = _defaultFadeOutDuration, Curve fadeInCurve = Curves.easeIn, Curve fadeOutCurve = Curves.easeOut, Color? color, Alignment alignment = Alignment.center})
-
The
ImageWidget.asset
factory method creates anImageWidget
instance for displaying an image from an asset path, with optional customization options.factory - ImageWidget.bytes({required Uint8List bytes, BoxFit boxFit = BoxFit.cover, Widget placeholderBuilder(BuildContext)?, Widget errorBuilder(BuildContext)?, double? height, double? width, Duration fadeInDuration = _defaultFadeInDuration, Duration fadeOutDuration = _defaultFadeOutDuration, Curve fadeInCurve = Curves.easeIn, Curve fadeOutCurve = Curves.easeOut, Alignment alignment = Alignment.center})
-
The
ImageWidget.bytes
factory method creates anImageWidget
instance with the provided path, bytes, box fit, placeholder builder, error builder, height, and width.factory -
ImageWidget.network({required String imageUrl, BoxFit boxFit = BoxFit.cover, Map<
String, String> ? httpHeaders, Widget placeholderBuilder(BuildContext)?, Widget errorBuilder(BuildContext)?, double? height, double? width, Duration fadeInDuration = _defaultFadeInDuration, Duration fadeOutDuration = _defaultFadeOutDuration, Curve fadeInCurve = Curves.easeIn, Curve fadeOutCurve = Curves.easeOut, Color? color, Alignment alignment = Alignment.center}) -
The
ImageWidget.network
factory method creates anImageWidget
instance for displaying an image from a network URL, with optional customization options.factory
Properties
- alignment → Alignment
-
The
alignment
property is the alignment of the image within the widget.final - boxFit → BoxFit
-
The
boxFit
property is the fit of the image within the widget.final - bytes → Uint8List?
-
The
bytes
property is the bytes of the image being displayed.final - color → Color?
-
The
color
property is the color of the image.final - errorBuilder → Widget Function(BuildContext)?
-
The
errorBuilder
property is the builder for the error widget.final - fadeInCurve → Curve
-
The
fadeInCurve
property is the curve of the fade in animation.final - fadeInDuration → Duration
-
The
fadeInDuration
property is the duration of the fade in animation.final - fadeOutCurve → Curve
-
The
fadeOutCurve
property is the curve of the fade out animation.final - fadeOutDuration → Duration
-
The
fadeOutDuration
property is the duration of the fade out animation.final - hashCode → int
-
The hash code for this object.
no setterinherited
- height → double?
-
The
height
property is the height of the image widget.final -
httpHeaders
→ Map<
String, String> ? -
The
httpHeaders
property is the headers for the network request.final - imageAddress → String?
-
The
imageAddress
property is the path to the image being displayed.final - imageOrigin → ImageOrigin
-
The
imageOrigin
property is the origin of the image being displayed.final - imageType → ImageType?
-
The
imageType
property is the type of image being displayed.final - key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- placeholderBuilder → Widget Function(BuildContext)?
-
The
placeholderBuilder
property is the builder for the placeholder widget.final - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- width → double?
-
The
width
property is the width of the image widget.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