observer library
Classes
- FirebaseAnalyticsObserver
- A NavigatorObserver that sends events to Firebase Analytics when the currently active ModalRoute changes.
Functions
- 
  defaultNameExtractor(RouteSettings settings) → String? 
- 
  defaultRouteFilter(Route? route) → bool 
Typedefs
- RouteFilter = bool Function(Route? route)
- RouteFilter allows to filter out routes that should not be tracked.
- ScreenNameExtractor = String? Function(RouteSettings settings)
- Signature for a function that extracts a screen name from RouteSettings.