Sams Teach Yourself Android™ Application Development in 24 Hours

Hour 12. Adding Application Logic

What You’ll Learn in This Hour

• Designing the game screen

• Working with ViewSwitcher Controls

• Data structures and parsing XML

• Wiring up the game logic and keeping game state

In this hour, you wire up the screen at the heart of the Been There, Done That! application—the game play screen. This screen prompts the user to answer a series of trivia questions and stores the resulting score information. Because the screen must display a dynamic series of images and text strings, you can use several new View controls, including ImageSwitcher and TextSwitcher, to help transition between questions in the quiz. You can also update QuizGameActivity with game logic and game state information, including the retrieval ...