Changes

}

</pre>

Declaring that the class implements the listener interfaces mandates that the corresponding methods also be implemented in the class:

== Testing the Application ==

Compile and run the application on either a physical Android device or an AVD emulator. Once launched, experiment with swipes, presses, scrolling motions and double and single taps. Note that the text view updates to reflect the events as illustrated in Figure 22-1:

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