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12. Slideshow App > 12.3. Technologies Overview

12.3. Technologies Overview

This section presents the new technologies that we use in the Slideshow app.

Launching Intents That Use Built-In Content Providers

Android does not provide storage that can be shared by all applications. Instead, it uses content providers that enable apps to save and retrieve data and to make data accessible across applications. You used this in Chapter 9 to save your drawings from the Doodlz app into the device’s Gallery.

Several content providers are built into Android for access to data such as images, audio, video, contact information and more. See the list of classes in the package android.provider for a complete list of built-in content providers:

developer.android.com/reference/android/provider/
   package-summary.html


  

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