<원문> This class provides applications access to the content model.
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<원문>Content providers manage access to a structured set of data. They encapsulate the data, and provide mechanisms for defining data security. Content providers are the standard interface that connects data in one process with code running in another process.
When you want to access data in a content provider, you use the
ContentResolverobject in your application's
Contextto communicate with the provider as a client. The
ContentResolverobject communicates with the provider object, an instance of a class that implements
ContentProvider. The provider object receives data requests from clients, performs the requested action, and returns the results.
You don't need to develop your own provider if you don't intend to share your data with other applications. However, you do need your own provider to provide custom search suggestions in your own application. You also need your own provider if you want to copy and paste complex data or files from your application to other applications.
Android itself includes content providers that manage data such as audio, video, images, and personal contact information. You can see some of them listed in the reference documentation for the
android.providerpackage. With some restrictions, these providers are accessible to any Android application.
The following topics describe content providers in more detail:
- Content Provider Basics
- How to access data in a content provider when the data is organized in tables.
- Creating a Content Provider
- How to create your own content provider.
- Calendar Provider
- How to access the Calendar Provider that is part of the Android platform.
- Contacts Provider
- How to access the Contacts Provider that is part of the Android platform.