I've been working on articulating some of the theory behind mobile UI
design, by examining current algorithms and heuristics from the entire
field. I'd like some feedback (blog post at ). I've got further
analysis with specific design recommendations at , but that is a
topic for a different message.
Mouse driven interfaces (software) – the "large" controls are the
edges of the screen, as they are really infinitely large in one
direction. Corners are larger still. Thus frequently used items should
go around the edges.
It's been a while since I've designed a touch screen interface, so... given a 15" LCD display and finger for stylus, what's the general consensus for the size of a discreet target? In the olden days on a CRT, it was typically about 20mm or 3/4". Given the reduction in paralax, improvements in touchscreen technologies, and such, what is a "standard" target size?