Chapter 21. Exploring Live Folders

Live folders, introduced in SDK 1.5, allow developers to expose content providers such as contacts, notes, and media on the device's default opening screen (which we will refer to as the device's home page). When a content provider such as Android's contacts content provider is exposed as a live folder on the home page, this live folder will be able to refresh itself as contacts are added, deleted, or modified in the contacts database. We will explain what these live folders are, how to implement them, and how to make them "live."

Exploring Live Folders

A live folder in Android is to a content provider what an RSS reader is to a publishing web site. We said in Chapter 4 that content providers are similar to web ...

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