dependOnInheritedWidgetOfExactType<U extends InheritedWidget> method
U
dependOnInheritedWidgetOfExactType<U extends InheritedWidget>()
Returns the nearest parent InheritedWidget with the exact type U
.
Also, if U
is updated, dependenciesDidUpdate is called.
Implementation
U dependOnInheritedWidgetOfExactType<U extends InheritedWidget>() {
final inheritedNode = parentNodes.firstWhere(
(final parentNode) => parentNode.widget.runtimeType == U,
) as InheritedNode;
late final StreamSubscription<void> subscription;
subscription = inheritedNode.listen(() {
subscription.cancel();
dependenciesDidUpdate();
});
_dependencySubscriptions.add(subscription);
return inheritedNode.widget as U;
}