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Unlocking Android: A Developer’s Guide by Robi Sen, Charlie Collins, Frank Ableson

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Chapter 5. Storing and retrieving data

Anytime you are developing software, one of the most common and basic constructs you have to deal with is the means to store and retrieve data. It’s all about the data after all. Though there are many ways to pipe data into and out of various languages and technologies, there are typically only a few ways to persist it: in memory structures, the filesystem, databases, and network services.

Like other technologies, Android has its own concepts for getting and sharing data in applications, yet these concepts are ultimately implemented using familiar approaches ...

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