ReactiveWidgetInterface<T extends ChangeNotifier> class
abstract
A widget that listens to a ChangeNotifier (called the view model) and updates when it does.
- If you're listening to an existing view model, use ReusableReactiveWidget.
- If you're listening to a view model created by this widget, use ReactiveWidget.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ReactiveWidgetInterface
- Implementers
Constructors
- ReactiveWidgetInterface({Key? key})
-
A const constructor.
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- shouldDispose → bool
-
Whether this widget should dispose the model after it's destroyed.
no setter
Methods
-
build(
BuildContext context, T model) → Widget -
Builds the UI according to the state in
model
. -
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createModel(
) → T - Creates the view model. This is only called once in the widget's lifetime.
-
createState(
) → ReactiveWidgetState< ChangeNotifier> -
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
-
didUpdateWidget(
covariant ReactiveWidgetInterface< T> oldWidget, T model) → void - This function gives you an opportunity to update the view model when the widget updates.
-
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