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=== touchesCancelled method ===
When a gesture is interrupted due to a high level interrupt, such as the phone detecting an incoming call, the touchesCancelled method is called.
== Summary ==
In order to fully appreciate the mechanisms for handling touch screen events within an iOS 4 iPad application, it is first important to understand both the responder chain and the methods that are called on a responder depending on the type of interaction. We have covered these basics in this chapter. In the next chapter, entitled [[An Example iOS 4 iPad Touch, Multitouch and Tap Application (Xcode 4)|An Example iOS 4 iPad Touch, Multitouch and Tap Application]] we will use these concepts to create an example application that demonstrates touch screen event handling.
