SliverVisibilityDetector class
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- RenderObjectWidget
- SingleChildRenderObjectWidget
- SliverVisibilityDetector
- Available extensions
Constructors
- SliverVisibilityDetector({required Key key, required Widget sliver, required VisibilityChangedCallback? onVisibilityChanged})
-
Constructor.
const
Properties
- child → Widget?
-
The widget below this widget in the tree.
finalinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- onVisibilityChanged → VisibilityChangedCallback?
-
The callback to invoke when this widget's visibility changes.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → SingleChildRenderObjectElement -
RenderObjectWidgets always inflate to a RenderObjectElement subclass.
inherited
-
createRenderObject(
BuildContext context) → RenderSliverVisibilityDetector -
See RenderObjectWidget.createRenderObject.
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
-
didUnmountRenderObject(
covariant RenderObject renderObject) → void -
This method is called when a RenderObject that was previously
associated with this widget is removed from the render tree.
The provided RenderObject will be of the same type as the one created by
this widget's createRenderObject method.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
onDoubleTap(
GestureTapCallback function) → Widget -
Available on Widget, provided by the GestureDetectorExtensions extension
-
onLongPress(
GestureTapCallback function) → Widget -
Available on Widget, provided by the GestureDetectorExtensions extension
-
onTap(
GestureTapCallback function) → Widget -
Available on Widget, provided by the GestureDetectorExtensions 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
-
updateRenderObject(
BuildContext context, covariant RenderSliverVisibilityDetector renderObject) → void -
See RenderObjectWidget.updateRenderObject.
override
-
withTooltip(
String message, {required Decoration decoration, required bool preferBelow, required EdgeInsetsGeometry padding, required TextStyle textStyle, required Duration waitDuration, required EdgeInsetsGeometry margin}) → Widget -
Available on Widget, provided by the WidgetsExtension extension
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited