ChangeNotifierProvider<T extends ChangeNotifier> class

Listens to a ChangeNotifier, expose it to its descendants and rebuilds dependents whenever the ChangeNotifier.notifyListeners is called.

See also:

Inheritance
Implemented types

Constructors

ChangeNotifierProvider({Key key, @required ValueBuilder<T> builder, Widget child })
Create a ChangeNotifier using the builder function and automatically dispose it when ChangeNotifierProvider is removed from the widget tree. [...]
ChangeNotifierProvider.value({Key key, @required T value, Widget child })
Listens to value and expose it to all of ChangeNotifierProvider descendants.

Properties

child Widget
The widget that is below the current ListenableProvider widget in the tree. [...]
final, inherited
delegate ValueStateDelegate<T>
The current state of DelegateWidget. [...]
@protected, read-only, inherited
hashCode → int
The hash code for this object.
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

build(BuildContext context) Widget
Describes the part of the user interface represented by this widget. [...]
inherited
cloneWithChild(Widget child) ListenableProvider<T>
Clones the current provider with a new child. [...]
inherited
createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree. [...]
inherited
createState() → _DelegateWidgetState
Creates the mutable state for this widget at a given location in the tree. [...]
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.debug }) → String
Returns 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 ==(dynamic other) → bool
The equality operator.
inherited