TrackerScrollWidget class - flutter_tracker_widget library

Constructors

TrackerScrollWidget({Key? key, required ScrollView child, String? id, List<String> initHitIds = const [], Duration throttleDuration = const Duration(milliseconds: 200), HitViewPortCondition? hitViewPortCondition, ScrollStrategy scrollStrategy = ScrollStrategy.end, TrackerStrategy trackerStrategy = TrackerStrategy.only})

child → ScrollView: The widget that should be displayed in the InViewNotifier.
final
hashCode → int: The hash code for this object.
no setterinherited
hitViewPortCondition → HitViewPortCondition?: The function that defines the area within which the widgets should be notified as inView.
final
id → String?: 当TrackerScrollWidget出现嵌套时，需要指定id
final
initHitIds → List<String>: The String list of ids of the child widgets that should be initialized as inView when the list view is built for the first time.
final
key → Key?: Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
scrollStrategy → ScrollStrategy: scroll strategy
final
throttleDuration → Duration: The duration to be used for throttling the scroll notification. Defaults to 200 milliseconds.
final
trackerStrategy → TrackerStrategy: 曝光策略，只有一次、每次都曝光
final

createElement() → StatefulElement: Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _TrackerScrollWidgetState: 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}) → 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