didPop method
The Navigator popped route.
The route immediately below that one, and thus the newly active
route, is previousRoute.
Implementation
@override
void didPop(Route<dynamic> route, Route<dynamic>? previousRoute) {
final provider = navigator!.context.read<AnalyticsProvider>();
provider.addUserFlow(
previousRoute?.settings.name ?? previousRoute.runtimeType.toString(),
);
}