PagedListViewFetcher<T, P> class

A widget that fetch a paginated list of data, page by page. Handle all states (loading, errors, onSuccess). Initially just fetch first page, then fetch next page when user scrolls. T is the type of the data. P is the type of the pageId (usually String or int).

Inheritance

Constructors

PagedListViewFetcher({Key? key, BasicFetchBuilderController<PagedData<T, P>>? controller, required ParameterizedAsyncTask<P, PagedData<T, P>> task, Widget? separator, required DataWidgetBuilder<T> itemBuilder, Widget? emptyWidget, EdgeInsetsGeometry? padding, double? itemExtent, bool reverse = false})
const

Properties

controller → BasicFetchBuilderController<PagedData<T, P>>?
A controller used to manually refresh data.
final
emptyWidget → Widget?
A widget to display when there is no data.
final
hashCode → int
The hash code for this object.
no setterinherited
itemBuilder → DataWidgetBuilder<T>
A builder that builds the widget for each item.
final
itemExtent → double?
The extent the item will have. Only work if separator is null.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
padding → EdgeInsetsGeometry?
The padding around the list.
final
reverse → bool
If true, the list will be reversed.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
separator → Widget?
A widget to display between each item.
final
task → ParameterizedAsyncTask<P, PagedData<T, P>>
Task that fetch and return the data, with pageId as parameter.
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<PagedListViewFetcher<T, P>>
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

Operators

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