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Summary: Constants

# BaseColumns

`public interface BaseColumns`
``

android.provider.BaseColumns

Known indirect subclasses CalendarContract.Attendees, CalendarContract.CalendarAlerts, CalendarContract.CalendarEntity, CalendarContract.Calendars, CalendarContract.Colors, CalendarContract.ColorsColumns, CalendarContract.Events, CalendarContract.EventsEntity, CalendarContract.ExtendedProperties, CalendarContract.Instances, CalendarContract.Reminders, CalendarContract.SyncState, CallLog.Calls, CallLog.Locations, Contacts.ContactMethods, and 104 others.
CalendarContract.Attendees | Fields and helpers for interacting with Attendees.
CalendarContract.CalendarAlerts | Fields and helpers for accessing calendar alerts information.
CalendarContract.CalendarEntity | Class that represents a Calendar Entity.
CalendarContract.Calendars | Constants and helpers for the Calendars table, which contains details for individual calendars.
CalendarContract.Colors | Fields for accessing colors available for a given account.
CalendarContract.ColorsColumns |
CalendarContract.Events | Constants and helpers for the Events table, which contains details for individual events.
CalendarContract.EventsEntity | Class that represents an Event Entity.
CalendarContract.ExtendedProperties | Fields for accessing the Extended Properties.
CalendarContract.Instances | Fields and helpers for interacting with Instances.
CalendarContract.Reminders | Fields and helpers for accessing reminders for an event.
CalendarContract.SyncState | A table provided for sync adapters to use for storing private sync state data.
CallLog.Calls | Contains the recent calls.
CallLog.Locations | Table that contains information on location data sent via call composer.
Contacts.ContactMethods | This class is deprecated. see `ContactsContract`
Contacts.Extensions | This class is deprecated. see `ContactsContract`
Contacts.GroupMembership | This class is deprecated. see `ContactsContract`
Contacts.Groups | This class is deprecated. see `ContactsContract`
Contacts.Organizations | This class is deprecated. see `ContactsContract`
Contacts.People | This class is deprecated. see `ContactsContract`
Contacts.People.ContactMethods | This class is deprecated. see `ContactsContract`
Contacts.People.Extensions | This class is deprecated. see `ContactsContract`
Contacts.People.Phones | This class is deprecated. see `ContactsContract`
Contacts.Phones | This class is deprecated. see `ContactsContract`
Contacts.Photos | This class is deprecated. see `ContactsContract`
Contacts.Settings | This class is deprecated. see `ContactsContract`
ContactsContract.AggregationExceptions | Constants for the contact aggregation exceptions table, which contains aggregation rules overriding those used by automatic aggregation.
ContactsContract.CommonDataKinds.Callable | Convenient functionalities for "callable" data.
ContactsContract.CommonDataKinds.Contactables | A special class of data items, used to refer to types of data that can be used to attempt to start communicating with a person (`Phone` and `Email`).
ContactsContract.CommonDataKinds.Email | A data kind representing an email address.
ContactsContract.CommonDataKinds.Event | A data kind representing an event.
ContactsContract.CommonDataKinds.GroupMembership | Group Membership.
ContactsContract.CommonDataKinds.Identity | A data kind representing an Identity related to the contact.
ContactsContract.CommonDataKinds.Im | A data kind representing an IM address You can use all columns defined for `ContactsContract.Data` as well as the following aliases.
ContactsContract.CommonDataKinds.Nickname | A data kind representing the contact's nickname.
ContactsContract.CommonDataKinds.Note | Notes about the contact.
ContactsContract.CommonDataKinds.Organization | A data kind representing an organization.
ContactsContract.CommonDataKinds.Phone | A data kind representing a telephone number.
ContactsContract.CommonDataKinds.Photo | A data kind representing a photo for the contact.
ContactsContract.CommonDataKinds.Relation | A data kind representing a relation.
ContactsContract.CommonDataKinds.SipAddress | A data kind representing a SIP address for the contact.
ContactsContract.CommonDataKinds.StructuredName | A data kind representing the contact's proper name.
ContactsContract.CommonDataKinds.StructuredPostal | A data kind representing a postal addresses.
ContactsContract.CommonDataKinds.Website | A data kind representing a website related to the contact.
ContactsContract.Contacts | Constants for the contacts table, which contains a record per aggregate of raw contacts representing the same person.
ContactsContract.Contacts.AggregationSuggestions | A read-only sub-directory of a single contact aggregate that contains all aggregation suggestions (other contacts).
ContactsContract.Contacts.Data | A sub-directory of a single contact that contains all of the constituent raw contact `ContactsContract.Data` rows.
ContactsContract.Contacts.Entity | A sub-directory of a contact that contains all of its `ContactsContract.RawContacts` as well as `ContactsContract.Data` rows.
ContactsContract.Contacts.Photo | A read-only sub-directory of a single contact that contains the contact's primary photo.
ContactsContract.Data | Constants for the data table, which contains data points tied to a raw contact.
ContactsContract.DataColumnsWithJoins | Combines all columns returned by `ContactsContract.Data` table queries.
ContactsContract.Directory | A Directory represents a contacts corpus, e.g. Local contacts, Google Apps Global Address List or Corporate Global Address List.
ContactsContract.Groups | Constants for the groups table.
ContactsContract.PhoneLookup | A table that represents the result of looking up a phone number, for example for caller ID.
ContactsContract.Profile | Constants for the user's profile data, which is represented as a single contact on the device that represents the user.
ContactsContract.ProfileSyncState | A table provided for sync adapters to use for storing private sync state data for the user's personal profile.
ContactsContract.RawContacts | Constants for the raw contacts table, which contains one row of contact information for each person in each synced account.
ContactsContract.RawContacts.Data | A sub-directory of a single raw contact that contains all of its `ContactsContract.Data` rows.
ContactsContract.RawContacts.Entity | A sub-directory of a single raw contact that contains all of its `ContactsContract.Data` rows.
ContactsContract.RawContactsEntity | Constants for the raw contacts entities table, which can be thought of as an outer join of the raw_contacts table with the data table.
ContactsContract.SyncState | A table provided for sync adapters to use for storing private sync state data for contacts.
FontsContract.Columns | This class is deprecated. Use the `FontsContractCompat.Columns` for consistent behavior across all devices.
LiveFolders | This class is deprecated. Live folders are no longer supported by Android. These have been replaced by the new AppWidget Collection APIs introduced in `Build.VERSION_CODES.HONEYCOMB`. These provide all of the features of live folders plus many more. The use of live folders is greatly discouraged because of security issues they introduce -- publishing a live folder requires making all data show for the live folder available to all applications with no permissions protecting it.
MediaStore.Audio.Albums | Contains artists for audio files
MediaStore.Audio.Artists | Contains artists for audio files
MediaStore.Audio.Artists.Albums | Sub-directory of each artist containing all albums on which a song by the artist appears.
MediaStore.Audio.AudioColumns | Audio metadata columns.
MediaStore.Audio.Genres | Contains all genres for audio files
MediaStore.Audio.Genres.Members | Sub-directory of each genre containing all members.
MediaStore.Audio.Media |
MediaStore.Audio.Playlists | This class is deprecated. Android playlists are now deprecated. We will keep the current functionality for compatibility resons, but we will no longer take feature request. We do not advise adding new usages of Android Playlists. M3U files can be used as an alternative.
MediaStore.Audio.Playlists.Members | Sub-directory of each playlist containing all members.
MediaStore.Audio.PlaylistsColumns | This interface is deprecated. Android playlists are now deprecated. We will keep the current functionality for compatibility reasons, but we will no longer take feature request. We do not advise adding new usages of Android Playlists. M3U files can be used as an alternative.
MediaStore.DownloadColumns | Download metadata columns.
MediaStore.Downloads | Collection of downloaded items.
MediaStore.Files.FileColumns | File metadata columns.
MediaStore.Images.ImageColumns | Image metadata columns.
MediaStore.Images.Media |
MediaStore.Images.Thumbnails | This class is deprecated. Callers should migrate to using `ContentResolver#loadThumbnail`, since it offers richer control over requested thumbnail sizes and cancellation behavior.
MediaStore.MediaColumns | Common media metadata columns.
MediaStore.Video.Media |
MediaStore.Video.Thumbnails | This class is deprecated. Callers should migrate to using `ContentResolver#loadThumbnail`, since it offers richer control over requested thumbnail sizes and cancellation behavior.
MediaStore.Video.VideoColumns | Video metadata columns.
Settings.Global | Global system settings, containing preferences that always apply identically to all defined users.
Settings.NameValueTable | Common base for tables of name/value settings.
Settings.Secure | Secure system settings, containing system preferences that applications can read but are not allowed to write.
Settings.System | System settings, containing miscellaneous system preferences.
SyncStateContract.Columns |
SyncStateContract.Constants |
Telephony.BaseMmsColumns | Base columns for tables that contain MMSs.
Telephony.CanonicalAddressesColumns | Columns for the "canonical_addresses" table used by MMS and SMS.
Telephony.CarrierId | Contains carrier identification information for the current subscriptions.
Telephony.Carriers | Carriers class contains information about APNs, including MMSC information.
Telephony.Mms | Contains all MMS messages.
Telephony.Mms.Addr | Contains address information for an MMS message.
Telephony.Mms.Draft | Contains all MMS messages in the MMS app drafts folder.
Telephony.Mms.Inbox | Contains all MMS messages in the MMS app inbox.
Telephony.Mms.Outbox | Contains all MMS messages in the MMS app outbox.
Telephony.Mms.Part | Contains message parts.
Telephony.Mms.Sent | Contains all MMS messages in the MMS app sent folder.
Telephony.MmsSms | Contains all MMS and SMS messages.
Telephony.MmsSms.PendingMessages | Contains pending messages info.
Telephony.Sms | Contains all text-based SMS messages.
Telephony.Sms.Conversations | Contains a view of SMS conversations (also referred to as threads).
Telephony.Sms.Draft | Contains all draft text-based SMS messages in the SMS app.
Telephony.Sms.Inbox | Contains all text-based SMS messages in the SMS app inbox.
Telephony.Sms.Outbox | Contains all pending outgoing text-based SMS messages.
Telephony.Sms.Sent | Contains all sent text-based SMS messages in the SMS app.
Telephony.Threads | Helper functions for the "threads" table used by MMS and SMS.
Telephony.ThreadsColumns | Columns for the "threads" table used by MMS and SMS.
TvContract.BaseTvColumns | Common base for the tables of TV channels/programs.
TvContract.Channels | Column definitions for the TV channels table.
TvContract.PreviewPrograms | Column definitions for the preview TV programs table.
TvContract.Programs | Column definitions for the TV programs table.
TvContract.RecordedPrograms | Column definitions for the recorded TV programs table.
TvContract.WatchNextPrograms | Column definitions for the "watch next" TV programs table.
UserDictionary.Words | Contains the user defined words.
VoicemailContract.Status | Defines fields exposed through the /status path of this content provider.
VoicemailContract.Voicemails | Defines fields exposed through the /voicemail path of this content provider.

## Summary

### Constants
`String` | `_COUNT` The count of rows in a directory.
`String` | `_ID` The unique ID for a row.

## Constants

### _COUNT

    public static final String _COUNT

The count of rows in a directory.

Type: INTEGER

Constant Value: "_count"

### _ID

    public static final String _ID

The unique ID for a row.

Type: INTEGER (long)

Constant Value: "_id"

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