LinkPreviewBuilder class
A builder widget for creating link previews from a URL
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- LinkPreviewBuilder
Constructors
- LinkPreviewBuilder.new({required String url, Key? key, LinkPreviewController? controller, MetadataProvider? provider, LinkPreviewStyle style = LinkPreviewStyle.card, int titleMaxLines = 2, int descriptionMaxLines = 3, bool showImage = true, bool showFavicon = true, LinkPreviewTapCallBack? onTap, bool useCache = true, Duration? cacheDuration, bool forceRefresh = false, String? proxyUrl, Widget errorBuilder(BuildContext context, Object error)?, Widget loadingBuilder(BuildContext context)?, Widget emptyBuilder(BuildContext context)?})
-
Creates a LinkPreviewBuilder that extracts metadata from the given URL.
const
Properties
- cacheDuration → Duration?
-
Optional custom cache duration
final
- controller → LinkPreviewController?
-
Optional controller for managing the preview
final
- descriptionMaxLines → int
-
Maximum number of lines for the description
final
- emptyBuilder → Widget Function(BuildContext context)?
-
Builder for when no data is available
final
- errorBuilder → Widget Function(BuildContext context, Object error)?
-
Builder for handling errors
final
- forceRefresh → bool
-
Whether to force refresh the data
final
-
Whether to handle navigation when tapped
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- loadingBuilder → Widget Function(BuildContext context)?
-
Builder for customizing the loading state
final
- onTap → LinkPreviewTapCallBack?
-
Callback when the preview is tapped
final
- provider → MetadataProvider?
-
Optional metadata provider
final
- proxyUrl → String?
-
Optional CORS proxy URL for web platform
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- showFavicon → bool
-
Whether to show the favicon in the preview
final
- showImage → bool
-
Whether to show the image in the preview
final
- style → LinkPreviewStyle
-
Style of the preview
final
- titleMaxLines → int
-
Maximum number of lines for the title
final
- url → String
-
URL to load preview for
final
- useCache → bool
-
Whether to use caching
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< LinkPreviewBuilder> -
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
-
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