[android-developers] Advice on Swipe Direction and Velocity

Hello all,

I'm looking for a starting point on this:

Here's a good example:
-When you create a 'ListView', as the user swipes up or down the
list scrolls
in accordance with how fast the user swiped. Give it a fast swipe, and
the list scrolls farther, faster.

Same thing is true within the web browser.

Now, I've downloaded the native source code for OS. So, I have that
as a resource to
poke around and see exactly how this is being accompished natively.

Question:

Is swipe direction/velocity documented anywhere. --Example code would
be helpful.

I'd like to start by applying an OnTouchEvent(); to a 2D canvas and
simply rotate
the canvas based on swipe velocity.

Any tips are appreciated.

Thanks,
Josh Beck

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