private void Awake()
{
if (instance != null)
{
throw new UnityException("Creating the second instance of UTNotificationsSample...");
}
instance = this;
}
private void OnDestroy()
{
Manager manager = Manager.Instance;
if (manager != null)
{
manager.OnSendRegistrationId -= SendRegistrationId;
manager.OnNotificationClicked -= OnNotificationClicked;
manager.OnNotificationsReceived -= OnNotificationsReceived;
}
if (instance == this)
{
instance = null;
}
}