Le 8 nov. 2010 à 06:04, Rick Mann <rm...@latencyzero.com> a écrit :

> I have a need to synchronize the actual display update of a UIView hierarchy 
> with real time. In my case, I update the display once per second, and I want 
> the display to update *on* the second.

Maybe you could set a timer to fire every second, and within the timer method 
call -[CALayer display] followed by -[CATransaction commit]?

Vincent

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