Tuesday, 27 August 2013

Why must UIKit operations be performed on the main thread?

Why must UIKit operations be performed on the main thread?

I am trying to understand why UI operations can't be performed using
multiple threads. Is this also a requirement in other frameworks like
OpenGL or cocos2d?
How about other languages like C# and javascript? I tried looking in
google but people mention something about POSIX threads which I don't
understand.

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