Probably looks at the touch history, calculates a velocity, and projects 
that a few ms into the future.

On Monday, August 6, 2012 7:18:23 PM UTC-7, ellis wrote:
>
> How to anticipating where your finger will be at the time of the screen 
> refresh on Android 4.1?
> Android 4.1 reduced touch latency through synchronizing touch to vsync, 
> anticipating finger position, and boosting CPU 
>
> Android 4.1 for developer :
> "Android 4.1 reduces touch latency not only by *synchronizing touch* to 
> vsync timing, but also by actually *anticipating *where your finger will 
> be at the time of the screen refresh. This results in a more reactive and 
> uniform touch response. In addition, after periods of inactivity, Android 
> applies a *CPU input boost* at the next touch event, to make sure there’s 
> no latency ."
>
>
>

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