EventBusWidget class
Widget to provide EventBus into child widget tree
Typeically should be used as top widget above or right under application widget
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) =>
EventBusWidget(
child: MaterialApp(
home: MyHomeScreen()
)
);
}
- Inheritance
- Object
- DiagnosticableTree
- Widget
- ProxyWidget
- InheritedWidget
- EventBusWidget
Constructors
- EventBusWidget({Key key, @required Widget child, bool sync = false})
-
Default constructor that create a default EventBus and provided it to
child
widget and its children. Akey
can be provided if necessary Andsync
can be used to control whether EventBus issynchronized
orasynchronized
, default toasynchronized
. - EventBusWidget.bindEventBus(EventBus eventBus, {@required Widget child})
- Create widget with prebuilt EventBus [...]
Properties
- child → Widget
-
The widget below this widget in the tree. [...]
final, inherited
- eventBus → EventBus
-
EventBus that provided by this widget
final
- hashCode → int
-
The hash code for this object. [...]
@nonVirtual, read-only, inherited
- key → Key
-
Controls how one widget replaces another widget in the tree. [...]
final, inherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Methods
-
createElement(
) → InheritedElement -
Inflates this configuration to a concrete instance. [...]
inherited
-
debugDescribeChildren(
) → List< DiagnosticsNode> -
Returns a list of DiagnosticsNode objects describing this node's
children. [...]
@protected, inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node. [...]
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent 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
-
updateShouldNotify(
covariant EventBusWidget oldWidget) → bool -
Whether the framework should notify widgets that inherit from this widget. [...]
override
Operators
-
operator ==(
Object other) → bool -
The equality operator. [...]
@nonVirtual, inherited
Static Methods
-
of(
BuildContext context) → EventBusWidget - Find the closeset EventBusWidget from ancester tree.