3 ms·

I think the comment is getting at the fact that a knob/dial actually has a physical affordance (being grabbed and twisted), which is absent on a smooth glass su

I think the comment is getting at the fact that a knob/dial actually has a physical affordance (being grabbed and twisted), which is absent on a smooth glass surface. Hence, aiming to create interactive dials on a touchscreen is an inherently challenging endeavor.

Nition 8y ago
The N9 would vibrate slightly as you turned the dial which helped make it feel tactile.
tuukkah 8y ago
I suppose the main solution in N9 was to make the dial big enough (not unlike a rotary telephone dial) as opposed to a small knob that you would wish to grab and twist.