AnalyticRouteObserver constructor Null safety

AnalyticRouteObserver(
  1. {required AnalyticService analytic,
  2. ScreenNameExtractor nameExtractor = defaultNameExtractor,
  3. RouteFilter routeFilter = defaultRouteFilter,
  4. dynamic onError(
    1. PlatformException error
    )?}
)

Implementation

AnalyticRouteObserver({
  required this.analytic,
  this.nameExtractor = defaultNameExtractor,
  this.routeFilter = defaultRouteFilter,
  Function(PlatformException error)? onError,
}) : _onError = onError;