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Direct Manipulation

Direct manipulation is an absolutely fundamental concept for any touch-driven UI. The basic concept is this: You directly touch the objects that you wish to interact with. Whereas with indirect manipulation you are dependent on an input device to indirectly navigate a cursor, or by other means to direct focus to an object with which you want to interact. But this is about more than fingers or mice. The key to direct manipulation is the notion that the result of your interaction with an object is so closely associated with your input that you perceive no barrier between the virtual and the real. This understanding is very important to the iOS experience. Many interactions that you may find exciting or novel on iOS devices are entirely depen....


  

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