an electronic visual display that can detect the presence and location of a touch within the display area

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12
votes
3answers
2k views

Smallest button size and spacing for a touchscreen

For a touch screen, such as the iPhone, what is the smallest size for a button you could get away with? And how closely could they be shoved together? I've got an app thats going to have a lot of ...
7
votes
2answers
239 views

Are there any design patterns for interacting with 3D objects on a multi touch surface?

I'm in a project were we would like users to interact with a 3D object. Users should be able to zoom, pan and rotate in all dimensions without using extra tools. I'm looking for best-practice design ...
1
vote
1answer
162 views

Do you know of any mobile websites that allows a user to crop a photo for uploading?

I'm curious to see how designers have addressed this problem on a touch-screen device given the size and technical constraints of mobile.
3
votes
2answers
613 views

iPhone (or Touch UI in general) version of limited multi-select?

I have a need to allow a user to select x of n from a list of elements. The specific example is 9 elements out of perhaps 20. This would be in the context of a settings context (rather than a form ...
7
votes
3answers
210 views

How will multi-touch computer design impact the future of User Experience? [closed]

Today I came across a video for a multi-touch, large screen user interface prototype, designed by a company called "Second Story" in Portland, Oregon. I am excited about the direction this will go. I ...
5
votes
1answer
428 views

Should an iPhone application scroll to the top of a table when resorting

My application has a table view with a segmented control in a navigation bar. When the users taps a segment in the segmented control, the application fades the table into it's newly sorted state. The ...
4
votes
2answers
4k views

Best ways to replace the combobox selection (aka single select) for touch interfaces.

The combobox has two benefits: a) fits in limited realestate and b) signals single selection to the user. What are the best alternatives for touch screens which minimize interacts? Combobox demands ...