private void NewSessionHelper()
{
StartTime = DateTime.UtcNow;
PreStartTime = DateTime.UtcNow;
StopTime = null;
SessionId = Guid.NewGuid().ToString();
Duration = 0;
CustomEvent sessionStartEvent = new CustomEvent(Constants.SESSION_START_EVENT_TYPE);
sessionStartEvent.StartTimestamp = StartTime;
sessionStartEvent.SessionId = SessionId;
MobileAnalyticsManager.GetInstance(_appID).RecordEvent(sessionStartEvent);
}