AsyncTaskBuilder<T> class

A widget that allow to run an async task and handle all states (loading, errors, onSuccess).

Inheritance

Constructors

AsyncTaskBuilder({Key? key, FetcherConfig? config, Color? barrierColor, bool runTaskOnStart = false, AsyncValueGetter<T>? task, required AsyncTaskChildBuilder<T> builder, AsyncValueSetter<T>? onSuccess})
const

Properties

barrierColor Color?
Color of the barrier, displayed when running the task. Default to a translucent white. Use Colors.transparent to hide completely the barrier (still blocks interactions).
final
builder AsyncTaskChildBuilder<T>
Widget builder, that provides a runTask callback. You may pass a task to run, that will override widget's task.
final
config FetcherConfig?
Widget configuration, that will override the one provided by DefaultFetcherConfig
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onSuccess AsyncValueSetter<T>?
Called after task is successfully executed.
final
runTaskOnStart bool
Whether to run the task on start. Default to false.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
task AsyncValueGetter<T>?
Task to be executed. Will be overridden by task passed when calling runTask provided by builder.
final

Methods

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

Static Methods

runTask<T>({required BuildContext context, required AsyncValueGetter<T> task, FetcherConfig? config, AsyncValueSetter<T>? onSuccess}) Future<void>
Safely run a async task. Headless version of AsyncTaskBuilder.