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Subject:Re: How to indicate a touch on a touch screen From:Robert Lauriston <robert -at- lauriston -dot- com> To:techwr-l -at- lists -dot- techwr-l -dot- com Date:Fri, 23 Oct 2009 08:56:49 -0700
Don't re-invent the wheel. The iPhone is the de-facto standard for
touchscreen UI. Copy it.
Android has a small white frame around thumbnails that turns yellow
when selected. Touch an image and the frame changes color; stop
touching and the color doesn't change (i.e. the image is still
selected); touch for longer than a second and you get a pop-up context
menu, similar to right-click in Windows.
On Fri, Oct 23, 2009 at 8:07 AM, Jan Axelson <jan -at- lvr -dot- com> wrote:
> I'm working on the design of a touch screen that will show several
> images (photos), about 1 in. x 1 in. each. Touching an image
> initiates an action on the device. It's not a commercial product but
> an example to demonstrate touch-screen programming.
>
> Any recommendations for how to indicate visually that a device has
> detected a touch? For example, I could briefly fade the image or
> change the color or width of the image's border. (I don't want to use
> raised/depressed button images.)
>
> Suggestions or references to sources welcome.
>
> Jan (long-time lurker and very occasional poster)
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