Apr
5
Put Your Hands Up To Test Usability

Put Your Hands UpTouchscreen interfaces would be easier to use if we designed them with finger paints. We stop “designing” this way the day we graduate from kindergarten, but think about it. Can you be sure a button will be large enough for a user to push? Will her hand cover up anything important? …
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Aug
12
Touchscreen Button Dimensions and Spacing — Hell If Phi Know

TempWhen it comes to touchscreen buttons, size plays an important part in usability. ISO and ANSI standards recommend making them .75″ (3/4″) square, and this is reinforced by a Wright State University Department of Psychology study which showed that .75″ buttons were most effective at maximizing both …
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Jul
15
Labeling Touchscreen Interfaces

TempA picture may be worth a thousand words, but a user interface needs real words to clearly indicate what the user needs to do. The words we choose are as important as, if not more important than, the graphics that frame them. Here are four simple rules you can apply to instantly improve the usability of your …
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Jul
8
Optimizing Graphics for 16-Bit Touchscreens

TempDesigning a touchscreen interface can take a lot of time and hard work. Then you put it on the touchscreen and the colors shift and band. Yuck. Shifting is where the color on the touchscreen is different from the intended color. Banding is where you see abrupt changes between shades of the same color instead of a nice …
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Jul
1
Design Your Touchscreen Interfaces in Photoshop in True Life Size

TempWhen you’re designing a touchscreen interface in Photoshop, what you see onscreen is often a very different size than the way it will actually appear on the touchscreen display. This is problematic when you’re trying to size and space all the elements of a user-friendly interface. Fortunately, there is …
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