App Inventor: Create Your Own Android Apps by David Wolber, Hal Abelson, Ellen Spertus and Liz Looney introduces App Inventor for Android, a powerful visual tool that lets anyone build apps for Android-based devices. Readers learn the basics of App Inventor with step-by-step instructions for more than a dozen fun projects, such as creating location-aware apps, data storage, and apps that include decision-making logic.
Computers have made a lot of progress in the last three decades. We have moved from machines that can only work with 80 column text using a fixed-width font to machines with sophisticated graphical user interfaces. This transition has been done piecemeal, starting with the transition from the Apple II to the Macintosh, followed by the transition from DOS to Windows for business computers, which was then followed by the transition of the Internet from Usenet and other text-only applications to graphical web browsers.
The only technology that hasn't made this transition is the interface used by programmers. Programs are still made using the paradigm of an 80-column terminal with a fixed-width font. App Inventor breaks this programming model. Programs are developed with a mouse; the program structure is described using graphical components resembling pieces of a jigsaw puzzle. The App Inventor book walks you through the process of using this platform, starting with a simple "Hello, world" application and finishing with advanced topics such as using Android's web API.
The second half of the book features an Inventor's manual to help you understand the fundamentals of app building and computer science. App Inventor makes an excellent textbook for beginners and experienced developers alike.
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