LazyLoadScrollView class
Wrapper around a Scrollable which triggers onEndOfPage/onStartOfPage the Scrollable reaches to the start or end of the view extent.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- LazyLoadScrollView
Constructors
- LazyLoadScrollView({Key? key, required Widget child, AsyncCallback? onStartOfPage, AsyncCallback? onEndOfPage, VoidCallback? onPageScrollStart, VoidCallback? onPageScrollEnd, VoidCallback? onInBetweenOfPage, double scrollOffset = 100, bool allowNotificationBubbling = false})
-
Creates a new instance of LazyLoadScrollView. The parameter
child
must be supplied and not null.const
Properties
- allowNotificationBubbling → bool
-
If true the notifications will keep bubbling up the tree
final
- child → Widget
-
The Widget that this widget watches for changes on
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- 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.
no setterinherited
- 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.
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, int wrapWidth = 65}) → 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.
inherited