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The next area of iOS touch screen event handling that we will look at in this book involves the detection of gestures involving movement. As covered in a previous chapter, a gesture refers the activity that takes place in the time between a finger touching the screen and the finger then being lifted from the screen. In the chapter entitled [[An Example iOS 5 iPad Touch, Multitouch and Tap Application]] we dealt with touches that did not involve any movement across the screen surface. We will now create an example that tracks the coordinates of a finger as it moves across the screen.
Note that the assumption is made throughout this chapter that the reader has already reviewed the [[An Overview of iOS 5 iPad Multitouch, Taps and Gestures]] chapter of this book.
== The Example iOS 5 iPad Gesture Application ==
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