ItemPositionsListener class Null safety

Provides a listenable iterable of itemPositions of items that are on screen and their locations.

Constructors

ItemPositionsListener.create()
Creates an ItemPositionsListener that can be used by a ScrollablePositionedList to return the current position of items.
factory

Properties

hashCode int
The hash code for this object.
read-onlyinherited
itemPositions ValueListenable<Iterable<ItemPosition>>
The position of items that are at least partially visible in the viewport.
read-only
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited

Operators

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