Content Providers expose an application's data across all other applications,
you can use content providers to store or retrieve data of one application from
any other application. It is a
part of the building blocks of the Android platform, are the only way to share
data between applications. This article will focus on the data-sharing mechanism
offered by Android.
Android ships with a number of content providers for common data types
(audio, video, images, personal contact information, and so on). You can see
some of them listed in the below table:
Contacts Interfaces for Android 1.x Support
| Interface | Contents |
| Contacts.OrganizationColumns | Organization |
| Contacts.PeopleColumns | People |
| Contacts.SettingsColumns | Phone settings |
| Contacts.ContactMethodsColumns | Contact methods |
| Contacts.ExtensionsColumns | Phone extensions |
| Contacts.GroupsColumns | Groups |
| Contacts.PhonesColumns | Phone numbers |
| Contacts.PhotosColumns | Contact photographs |
| Contacts.PresenceColumns | IM presences |
Thank You....