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Android Apps with App Inventor: The Fast and Easy Way to Build Android Apps by Jörg H. Kloss

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Chapter 10. Storage and Databases

Storing data is one of the most elementary tasks performed by a computer—and today, by a smartphone as well. You take it for granted that your smartphone still has all of your apps, icons, and phone book entries after you restart it from standby mode or after it was switched off. But if you have been trying the previous demo and sample apps in this book, you will have noticed that the data entered by the user disappeared after you stopped and restarted the example apps. This is particularly annoying if the user has entered data that he or she would like to reuse, expand, or change when next using the app, without having to enter all the data again—be it names, addresses, phone numbers, or words in a vocabulary ...

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