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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
ContentResolver object in your application's Context to communicate with the provider as a client. The Content Resolver object communicates with the provider object, an instance of a class that implements Content Provider. 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.
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