ObservableConsumer<T> class
A Flutter widget that listens to an IObservable and rebuilds whenever the observable emits a new value.
Optionally, it can invoke a listener callback when updates occur, allowing side effects without requiring a full rebuild. To listen Stream use extension ObservableStreamAdapters.asObservable to convert Stream to IObservable, or use ObservableAsync
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ObservableConsumer
Constructors
-
ObservableConsumer({Key? key, required IObservable<
T> observable, required Widget builder(BuildContext context, T value), void listener(BuildContext context, T value)?}) -
Creates an ObservableConsumer that rebuilds when
observablechanges.const
Properties
- builder → Widget Function(BuildContext context, T value)
-
Builds the UI based on the current value of the observable.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- listener → void Function(BuildContext context, T value)?
-
Optional callback triggered when the observable updates.
final
-
observable
→ IObservable<
T> -
The observable to listen to.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< ObservableConsumer< 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, 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