[4.6 UI] Retina / Non-retina scale

Unity Engine
1

How is it possible to provide UI for Retina iPad automaticaly ?
It is a simple scaling of graphics and coordinates to x2, but the system doesn’t know anything about that.

Non-Retina

Retina

How to create a pixel perfect design by using an etalon ?

With the new UI I can’t figure it out how to place a single image from Photoshop as an etalon and then just overlay every object on top of it.
My main Canvas has Screen Space - Overlay property like in Unity examples, but what I see on the Scene is not the same that is in Game window.

2

I am having the same problem.

Okay figured it out just a “ResolutionRefence” to your canvas

3

In Unity 3d 4.6 how do you write a basic script to do some thing like maybe play a sound …I made a button in Unity 3d 4.6 and put a script in the oncick field and nothing happens… Can some one help me??? Please…
Just maybe a basic lay out for Unity 3d 4.6 script for the OnClick Event…
Thank you