LongPressImagePreview class

A LongPressPreview optimized for image thumbnails.

Long-pressing the child shows a larger version of imageProvider with optional zoom support.

LongPressImagePreview(
  imageProvider: NetworkImage('https://example.com/photo.jpg'),
  child: MyThumbnail(),
)
Inheritance

Constructors

LongPressImagePreview({Key? key, required ImageProvider<Object> imageProvider, required Widget child, PreviewConfig config = const PreviewConfig(), bool enableZoom = true, Object? heroTag, VoidCallback? onTap})
Creates a LongPressImagePreview.
const

Properties

child Widget
The thumbnail widget that triggers the preview.
final
config PreviewConfig
Appearance and behavior configuration.
final
enableZoom bool
Whether to enable pinch-to-zoom inside the preview.
final
hashCode int
The hash code for this object.
no setterinherited
heroTag Object?
Hero tag for transition animation. Set the same tag on the destination image for a seamless Hero animation when navigating.
final
imageProvider ImageProvider<Object>
The image to show in the preview.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onTap VoidCallback?
Called on normal tap.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

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