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== Touch Notification Methods ==
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Touch screen events cause one of four methods on the first responder object to be called. The method that gets called for a specific event will depend on the nature of the interaction. In order to handle events, therefore, it is important to ensure that the appropriate methods from those outlined below are implemented within your responder chain. These methods will be used in the worked example contained in the iPhone Multitouch, Tap and Gesture Event Handling Tutorial chapter of this book:
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