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WebCenter User Experience and Interaction From iPads to Xbox

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o<br />

Other Libraries<br />

There are other libraries available like SenchaTouch, jQueryMobile, jQTouch, etc., however these provide a<br />

UI with the library for mobile devices <strong>and</strong> are not recommended for cross platform interfaces such as<br />

desk<strong>to</strong>p <strong>to</strong> Mobile.<br />

Example of some of the st<strong>and</strong>ardized <strong>to</strong>uch gestures<br />

o<br />

Touch points Device Support t <strong>and</strong> Considerations<br />

In iOS you can capture 11 points of simultaneous contact with the device (The eleventh is a mystery <strong>to</strong><br />

everyone…)<br />

Other operating systems capture a lot less, although this is improving. Currently when designing for <strong>to</strong>uch<br />

interfaces I do not apply support for more than 2 simultaneous <strong>to</strong>uch interaction due <strong>to</strong> support across<br />

devices <strong>and</strong> the requirements. I have never come across a requirement for more than this, <strong>and</strong> limiting <strong>to</strong> 2<br />

<strong>to</strong>uches also allows me <strong>to</strong> also reuse my methods for Motion Events as I st<strong>and</strong>ardize using only 2 h<strong>and</strong>s <strong>to</strong><br />

interact with a screen.<br />

The main JavaScript Touch Events are:<br />

• Touchstart – fires once<br />

• Touchmove – fires continuously<br />

• Touchend – fires once<br />

© 2012. Fishbowl Solutions, Inc.

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