LazyLoadScrollView class Null safety

Wrapper around a Scrollable which triggers onEndOfPage/onStartOfPage the Scrollable reaches to the start or end of the view extent.

Inheritance

Constructors

LazyLoadScrollView({Key? key, required Widget child, AsyncCallback? onStartOfPage, AsyncCallback? onEndOfPage, VoidCallback? onPageScrollStart, VoidCallback? onPageScrollEnd, VoidCallback? onInBetweenOfPage, double scrollOffset = 100})
Creates a new instance of LazyLoadScrollView. The parameter child must be supplied and not null.
const

Properties

child Widget
The Widget that this widget watches for changes on
final
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
key Key?
Controls how one widget replaces another widget in the tree. [...]
final, inherited
onEndOfPage AsyncCallback?
Called when the child reaches the end of the list
final
onInBetweenOfPage VoidCallback?
Called every time the child is in-between the list
final
onPageScrollEnd VoidCallback?
Called when the list scrolling ends
final
onPageScrollStart VoidCallback?
Called when the list scrolling starts
final
onStartOfPage AsyncCallback?
Called when the child reaches the start of the list
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
scrollOffset double
The offset to take into account when triggering onEndOfPage/onStartOfPage in pixels
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
createState() State<StatefulWidget>
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. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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

Operators

operator ==(Object other) bool
The equality operator. [...]
@nonVirtual, inherited