private async void NavigateToHome()
        {
            // Upload review.
            await connectionHandler.UploadReview();

            // When upload is complete, refresh reviews on main page
            ReviewDoneEvent?.Invoke(this, EventArgs.Empty);

            // Pop navigation stack back to home page
            await navigation.PopToRootAsync();
        }
 public void InvokeEvent()
 {
     ReviewDoneEvent?.Invoke(this, EventArgs.Empty);
 }