From: Carsten H. (T. R. <ra...@ra...> - 2012-03-23 08:06:57
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On Fri, 23 Mar 2012 08:51:02 +0100 Stefan Schmidt <st...@da...> said: > Hello. > > On Fri, 2012-03-23 at 09:59, Carsten Haitzler wrote: > > > > is that meant to be touch driven, or "hardware dial" driven? > > If I'm not mistaken the pictures have been from an Audi MMI system and > they use a hardware dial easily available for the driver. So the part > you can see here is only the visual feedback. (IIRC Audi did some > extensive research to compare this hardware dial concept with other > input system like a touchscreen and the hardware dial showed way less > cognitive load. But its some time that I heard about it in some > psychologie car UI courses). BMW has something similar with iDrive. > > But back to the technical UI problem at hand. I would also expect that > the widget would be more like and index and not like the volume > slider. While both have the "round knob" design this one selects from > dynamic content like an addressbook or streetnames for destinations. > You can't use static images, like used for the volume slider knob, for > this. yup - that's what index does.. but it's not round. what i'm thinking here is this: 1. andreas - u want index. you just want to augment its behavior so you can glue it into "key events" to drive it (when focused) that would come from such a knob (or up/down/left/right arrow keys etc.) 2. offer another layout option other than vertical or horizontal. this unfortunately has to be in the widget as it maintains the dataset displayed. -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) ra...@ra... |