How to access Provided (Provider.of()) value inside showModalBottomSheet?

InheritedWidgets, and therefore Providers, are scoped to the widget tree. They cannot be accessed outside of that tree.

The thing is, using showDialog and similar functions, the dialog is located in a different widget tree – which may not have access to the desired provider.

It is therefore necessary to add the desired providers in that new widget tree:

void myShowDialog() {
  final myModel = Provider.of<MyModel>(context, listen: false);
  showDialog(
    context: context,
    builder: (_) {
      return Provider.value(value: myModel, child: SomeDialog());
    },
  );
}