Re: How to indicate a touch on a touch screen

[Bill Swallow <techcommdood -at- gmail -dot- com>]

I can't find a cite for that claim. Does Apple also design for cash registers?

While I have an iPhone and agree they're cool and worth mimicing, I
don't believe Apple is yet officially acknowledged as the standard for
all touchscreen applications. Looking through many UI guideline
resources, I can't find a standard for touch. But, general theory of
user interaction should of course apply.

To answer the original question, any kind of rendering around
(highlight, glow, etc.) a touched object will work, and has been used
for many years in many different applications. The raised/depressed
button really was a cop-out taken from traditional UI design, which
even in traditional UIs doesn't entirely make sense since it's a
tactile expectation of interaction more than a visual one.

So whether you want to use a change in brightness/color, a halo, fill
of a wide region, or what have you, just be consistent so users see
and understand it as the machine's acknowledgement of the touch. I
would shy away from transparency unless you are moving the object (so
you can see under it and thus where you're moving it to); bring focus
to the selection.


On Fri, Oct 23, 2009 at 12:14 PM, Robert Lauriston <robert -at- lauriston -dot- com> wrote:
> Yeah, just like they stole the desktop UI from Xerox. iPhone's still
> the gold standard.

-- 
Bill Swallow

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