ListViewObserverState class

Inheritance

Constructors

ListViewObserverState()

Properties

context → BuildContext
The location in the tree where this widget builds.
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
innerAutoTriggerObserveScrollNotifications → List<Type>
Mapping ObserverAutoTriggerObserveType to ScrollNotification.
no setterinherited
innerAutoTriggerObserveTypes → List<ObserverAutoTriggerObserveType>
Default values for the widget's autoTriggerObserveTypes property.
no setterinherited
innerCanHandleObserve ↔ bool
Whether can handle observe.
getter/setter pairinherited
innerListeners ↔ LinkedList<ObserverListenerEntry<ListViewObserveModel>>?
The listener list state for a ObserverWidget returned by ObserverWidget.of.
getter/setter pairinherited
lastResultMap ↔ Map<BuildContext, ListViewObserveModel>
The last observation result
getter/setter pairinherited
mounted → bool
Whether this State object is currently in a tree.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scopeContext ↔ BuildContext?
The BuildContext of the ObserverWidgetScope.
getter/setter pairinherited
targetSliverContexts ↔ List<BuildContext>
Target sliver BuildContext
getter/setter pairinherited
widget → ListViewObserver
The current configuration.
no setterinherited

Methods

activate() → void
Called when this object is reinserted into the tree after having been removed via deactivate.
inherited
addListener({BuildContext? context, OnObserveCallback<ListViewObserveModel>? onObserve, OnObserveAllCallback<ListViewObserveModel>? onObserveAll}) → void
Add OnObserveCallback and OnObserveAllCallback that will be called each time a result is observed.
inherited
build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
inherited
deactivate() → void
Called when this object is removed from the tree.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
didChangeDependencies() → void
Called when a dependency of this State object changes.
inherited
didUpdateWidget(covariant ListViewObserver oldWidget) → void
Called whenever the widget configuration changes.
inherited
dispose() → void
Called when this object is removed from the tree permanently.
inherited
fetchLeadingOffset() → double
Fetch offset from leadingOffset or dynamicLeadingOffset.
inherited
fetchTargetSliverContexts() → List<BuildContext>
Fetch target sliver BuildContexts
inherited
handleContexts({bool isForceObserve = false, bool isFromObserveNotification = false, bool isDependObserveCallback = true, bool isIgnoreInnerCanHandleObserve = true}) → ObserverHandleContextsResultModel<ListViewObserveModel>?
Handle all buildContext
inherited
handleObserve(BuildContext ctx) → ListViewObserveModel?
initState() → void
Called when this object is inserted into the tree.
inherited
isTargetSliverContextType(RenderObject? obj) → bool
Determine whether it is the type of the target sliver.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
reassemble() → void
Called whenever the application is reassembled during debugging, for example during hot reload.
inherited
removeListener({BuildContext? context, OnObserveCallback<ListViewObserveModel>? onObserve, OnObserveAllCallback<ListViewObserveModel>? onObserveAll}) → void
Remove the specified OnObserveCallback and OnObserveAllCallback.
inherited
setState(VoidCallback fn) → void
Notify the framework that the internal state of this object has changed.
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
toStringShort() → String
A brief description of this object, usually just the runtimeType and the hashCode.
inherited
updateInnerCanHandleObserve() → dynamic
Update innerCanHandleObserve according to the ObserverController.observeIntervalForScrolling.
inherited

Operators

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