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Designing the User Interface
Once the new project has been created, Eclipse should display the user interface layout associated with the activity_audio_app.xml file. Within the Graphical Layout tool, select the “Hello world!” TextView and delete it from the layout. Drag and drop three Button views onto the layout. The positioning of the buttons is not of paramount importance to this example, though Figure 39-1 shows a suggested layout.
 
Configure the buttons to display string resources that read Record, Play and Stop and give them view IDs of recordButton, playButton, and stopButton respectively.
[[Image:kindle_fire_audio_app_ui.png|The Ui for an example Android Audio app]]
Figure 39-1

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