How to Use Activity Indicator in Unity3d

Hi All, I am new bee in Unity 3d, I want to show Activity Indicator just like native ios Feature in Unity 3d, and my app for iPhone. I found a

iOSShowActivityIndicatorOnLoading

but don’t know how to make right use of it and show activity indicator on center of screen. Thanks in advance.

You need

Handheld.StartActivityIndicator();

see this for more information