Posts Tagged: interaction

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8
Oct 06

Text input methods, again

Little Springs Design has put together a nice summary of different text input methods for mobile devices, including different hardware and software solutions.

“We have categorized various text input mechanisms for mobile devices based on usage scenario. We count not just the number of hands needed to press keys on the device, but also the number of hands and surfaces needed to control the device. Hence, a full-sized QWERTY keyboard is a two-handed device that requires a surface. We’ve included voice (speech recognition) as a separate category here.”

Link: Text Input on Mobile Devices (littlespringsdesign.com)

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3
Sep 06

Fitt’s Law for mobile devices

Little Springs Design have published a couple of short pieces on applying Fitt’s Law to mobile devices.

“Fitt’s Law (circa 1954) states that the time to acquire a target is a function of the distance to the target and the size of the target. The further the target is away from the user’s current position, the longer it takes to move to the target. The smaller the target, the more the user has to use fine muscle control and hence take more time to move.”

Link: Fitt’s Law for mobile devices and Fitts Law and softkey optimization (littlespringsdesign.com)

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13
Jul 06

Mobile game design process review

A post-mortem of the creation of the mobile game “Tower Bloxx”.

“As we discussed earlier, the original idea came from a mock-up image which was later turned into a prototype, which led to our core mechanics. After production started, we also needed something to fill the long-term gameplay demand, so we had several ideas of how the rules of the city mode could work, and we prototyped those using both pen-and-paper and Excel. In this way, we could test and tweak our ideas without the need for programming time, which helped us getting the game done faster.”

Link: Postmortem: Digital Chocolate’s Tower Bloxx (gamasutra.com)

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3
Jul 06

Is this device full or empty?

A flash USB drive that changes size depending on how much data is stored on it.

(image from the ever delightful infosthetics.com)

Link: usb flash bag (infosthetics.com)