ImageViewer class

Easily show an image from assets, network, cached network, or svg images.

Inheritance
Available extensions

Constructors

ImageViewer.asset(String path, {Key? key, ErrorBuilder? errorBuilder, double? width, double? height, Color? color, BlendMode? colorBlendMode, BoxFit? fit = BoxFit.cover, AlignmentGeometry alignment = Alignment.center})
const
ImageViewer.cachedNetwork(String src, {Key? key, double? width, double? height, BoxFit? fit = BoxFit.cover, AlignmentGeometry alignment = Alignment.center, Color? color, BlendMode? colorBlendMode, ErrorBuilder? errorBuilder, PlaceholderBuilder? placeholderBuilder, ImageRenderMethodForWeb imageRenderMethodForWeb = ImageRenderMethodForWeb.HttpGet})
const
ImageViewer.file(File file, {Key? key, ErrorBuilder? errorBuilder, double? width, double? height, Color? color, BlendMode? colorBlendMode, BoxFit? fit = BoxFit.cover, AlignmentGeometry alignment = Alignment.center})
const
ImageViewer.icon(IconInfo iconInfo, {Key? key, double? width, double? height, BoxFit? fit = BoxFit.contain, AlignmentGeometry alignment = Alignment.center, Color? color, TextDirection? iconDirection, ImageRenderMethodForWeb imageRenderMethodForWeb = ImageRenderMethodForWeb.HttpGet})
const
ImageViewer.memory(Uint8List bytes, {Key? key, ErrorBuilder? errorBuilder, double? width, double? height, Color? color, BlendMode? colorBlendMode, BoxFit? fit = BoxFit.cover, AlignmentGeometry alignment = Alignment.center})
const
ImageViewer.network(String src, {Key? key, ErrorBuilder? errorBuilder, PlaceholderBuilder? placeholderBuilder, double? width, double? height, Color? color, BlendMode? colorBlendMode, BoxFit? fit = BoxFit.cover, AlignmentGeometry alignment = Alignment.center})
const
ImageViewer.svgAsset(String path, {Key? key, double? width, double? height, BoxFit? fit = BoxFit.contain, AlignmentGeometry alignment = Alignment.center, PlaceholderBuilder? placeholderBuilder, Clip? clipBehavior = Clip.hardEdge, Color? color, BlendMode? colorBlendMode})
const
ImageViewer.svgMemory(Uint8List bytes, {Key? key, double? width, double? height, BoxFit? fit = BoxFit.contain, AlignmentGeometry alignment = Alignment.center, PlaceholderBuilder? placeholderBuilder, Clip? clipBehavior = Clip.hardEdge, Color? color, BlendMode? colorBlendMode})
const
ImageViewer.svgNetwork(String src, {Key? key, double? width, double? height, BoxFit? fit = BoxFit.contain, AlignmentGeometry alignment = Alignment.center, PlaceholderBuilder? placeholderBuilder, Clip? clipBehavior = Clip.hardEdge, Color? color, BlendMode? colorBlendMode})
const

Properties

alignment → AlignmentGeometry
How to align the image within its bounds.
final
bytes → Uint8List?
final
clipBehavior → Clip?
The content will be clipped (or not) according to this option.
final
color → Color?
If non-null, this color is blended with each image pixel using colorBlendMode.
final
colorBlendMode → BlendMode?
Used to combine color with this image.
final
errorBuilder → ErrorBuilder?
A builder function that is called if an error occurs during image loading.
final
file → File?
final
fit → BoxFit?
How to inscribe the image into the space allocated during layout.
final
hashCode → int
The hash code for this object.
no setterinherited
height → double?
If non-null, require the image to have this height.
final
iconDirection → TextDirection?
final
iconInfo → IconInfo?
Icon info to be displayed.
final
imageRenderMethodForWeb → ImageRenderMethodForWeb
Render options for images on the web platform for ImageViewer.cachedNetwork.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
marginZero → Widget

Available on Widget, provided by the WidgetMarginX extension

no setter
paddingZero → Widget

Available on Widget, provided by the WidgetPaddingX extension

no setter
path → String?
final
placeholderBuilder → PlaceholderBuilder?
Widget displayed while the target is loading.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
sliverBox → Widget

Available on Widget, provided by the WidgetSliverBoxX extension

no setter
width → double?
If non-null, require the image to have this width.
final

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 to Animate(child: myWidget).
createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<ImageViewer>
Creates the mutable state for this widget at a given location in the tree.
override
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
marginAll(double margin) → Widget

Available on Widget, provided by the WidgetMarginX extension

marginOnly({double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0}) → Widget

Available on Widget, provided by the WidgetMarginX extension

marginSymmetric({double horizontal = 0.0, double vertical = 0.0}) → Widget

Available on Widget, provided by the WidgetMarginX extension

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
paddingAll(double padding) → Widget

Available on Widget, provided by the WidgetPaddingX extension

paddingOnly({double left = 0.0, double top = 0.0, double right = 0.0, double bottom = 0.0}) → Widget

Available on Widget, provided by the WidgetPaddingX extension

paddingSymmetric({double horizontal = 0.0, double vertical = 0.0}) → Widget

Available on Widget, provided by the WidgetPaddingX 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

Operators

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