OnGUI vs Update / events for UI changes?

quick question.

I've noticed that updating many UI elements (modifying images colors, etc) causes changes to be noticeable within Update() and within UI Events (IPointerClickEvent::OnPointerClick , etc).

but, when I defer these changes (via the use of flags) to OnGUI all this flickering goes away.

Yet, I read that OnGUI is the old method....

What is the proper way to update many UI elements at once?

 

Have you tried LateUpdate? In general, you want game logic to run in Update(), and anything that updates visuals-only to run in LateUpdate.

But yes, OnGUI is the old method, and the only reason it seems to work here is because, by sheer coincidence, OnGUI is run near the end of the frame cycle.

 

Thanks for the suggestion. Yes, LateUpdate works.

It seems that some of my problems stem from the use of gameObject.SetActive(true) during OnPointerClick events.

In this case, when a UI game object is set to active that has a toggle group, you can visually see the toggles flicker as it enumerates all the toggles.

At this point, I'm trying to hide / show the UI objects using the CanvasGroup, but the first time they load flicker occurs.

There must be something I'm not doing correctly.