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CHAPTER

7

Using Web Services and the Local Database

What is an app without its data? Usually data provides information in context, and thus an application without data is an application without any useful information to share. The Mobile Application Framework offers several ways of retrieving and working with data. In this chapter you will learn how to get data into your application by calling web services, and how to work with an on-device database to store the data to survive application restarts. Finally, you will be introduced to the concept of property change events and provider change events that can be used to make the application’s UI ...

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