NestedScrollUtil class

Constructors

NestedScrollUtil()

Properties

bodyScrollController ↔ ScrollController?

The inner ScrollController in the body of a NestedScrollView.

getter/setter pair

bodySliverContexts ↔ List<BuildContext>

Record the BuildContext corresponding to all body slivers of NestedScrollView.

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

headerSliverContexts ↔ List<BuildContext>

Record the BuildContext corresponding to all header slivers of NestedScrollView.

getter/setter pair

outerScrollController ↔ ScrollController?

The outer ScrollController of a NestedScrollView.

getter/setter pair

remainingSliverContext ↔ BuildContext?

Record the BuildContext of SliverFillRemaining.

getter/setter pair

remainingSliverRenderObj ↔ RenderSliverSingleBoxAdapter?

Record the RenderObject of SliverFillRemaining.

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

animateTo({required GlobalKey<State<StatefulWidget>> nestedScrollViewKey, required SliverObserverController observerController, required NestedScrollUtilPosition position, required int index, required Duration duration, required Curve curve, required BuildContext? sliverContext, bool isFixedHeight = false, double alignment = 0, EdgeInsets padding = EdgeInsets.zero, ObserverLocateIndexOffsetCallback? offset, ObserverRenderSliverType? renderSliverType}) → Future

Animate to the specified index position.

calcOverlap({required GlobalKey<State<StatefulWidget>> nestedScrollViewKey, required BuildContext sliverContext}) → double?

Calculate the overlap for the body sliver.

calcPrecedingScrollExtent({required GlobalKey<State<StatefulWidget>> nestedScrollViewKey, required BuildContext sliverContext}) → double?

Calculate the precedingScrollExtent for sliverContext.

fetchRemainingSliverContext({required GlobalKey<State<StatefulWidget>> nestedScrollViewKey}) → BuildContext?

Get SliverFillRemaining

handleOnPrepareScrollToIndex({required GlobalKey<State<StatefulWidget>> nestedScrollViewKey, required NestedScrollUtilPosition position, required ScrollController outerScrollController, Duration? duration, Curve? curve, ObserverLocateIndexOffsetCallback? offset}) → ObserverOnPrepareScrollToIndex?

Handle the onPrepareScrollToIndex callback.

jumpTo({required GlobalKey<State<StatefulWidget>> nestedScrollViewKey, required SliverObserverController observerController, required NestedScrollUtilPosition position, required int index, required BuildContext? sliverContext, bool isFixedHeight = false, double alignment = 0, EdgeInsets padding = EdgeInsets.zero, ObserverLocateIndexOffsetCallback? offset, ObserverRenderSliverType? renderSliverType}) → Future

Jump to the specified index position.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

reset() → dynamic

Reset all data.

switchScrollController({required SliverObserverController observerController, required NestedScrollUtilPosition position}) → dynamic

Switch the ScrollController of observerController according to the NestedScrollUtilPosition.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited