void OnError(Exception e)
 {
     if (LocalPreferencesHelper.HasNeverSuccessfullyFetchedFHIData)
     {
         AuthErrorUtils.GoToTechnicalErrorFHINumbers(this, LogSeverity.ERROR, e, "Could not load data for disease rate of the day, showing technical error page");
     }
     else
     {
         LogUtils.LogException(LogSeverity.ERROR, e, "Could not load data for disease rate of the day, showing old data");
         NavigationController?.PushViewController(DailyNumbersViewController.Create(), true);
     }
 }
 void OnSuccess()
 {
     Cleanup();
     NavigationController?.PushViewController(DailyNumbersViewController.Create(), true);
 }