IT. Expert System.

Android Reference

Downloads.Impl

android.provider

Class Downloads.Impl

java.lang.Object
- android.provider.Downloads.Impl

All Implemented Interfaces:

BaseColumns

Enclosing class:

Downloads
```
public static final class Downloads.Impl
extends Object
implements BaseColumns
```
Implementation details Exposes constants used to interact with the download manager's content provider. The constants URI ... STATUS are the names of columns in the downloads table.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class Downloads.Impl.RequestHeaders
Constants related to HTTP request headers associated with each download.

Nested Classes
Modifier and Type	Class and Description
`static class`	`Downloads.Impl.RequestHeaders` Constants related to HTTP request headers associated with each download.

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`_DATA` The name of the column containing the filename where the downloaded data was actually stored.
`static String`	`ACTION_DOWNLOAD_COMPLETED` Broadcast Action: this is sent by the download manager to the app that had initiated a download when that download completes.
`static String`	`ACTION_NOTIFICATION_CLICKED` Broadcast Action: this is sent by the download manager to the app that had initiated a download when the user selects the notification associated with that download.
`static Uri`	`ALL_DOWNLOADS_CONTENT_URI` The content URI for accessing all downloads across all UIDs (requires the ACCESS_ALL_DOWNLOADS permission).
`static String`	`COLUMN_ALLOW_METERED` The name of the column indicating whether metered connections can be used.
`static String`	`COLUMN_ALLOW_ROAMING` The name of the column indicating whether roaming connections can be used.
`static String`	`COLUMN_ALLOWED_NETWORK_TYPES` The name of the column holding a bitmask of allowed network types.
`static String`	`COLUMN_APP_DATA` The name of the column containing application-specific data.
`static String`	`COLUMN_BYPASS_RECOMMENDED_SIZE_LIMIT` If true, the user has confirmed that this download can proceed over the mobile network even though it exceeds the recommended maximum size.
`static String`	`COLUMN_CONTROL` The name of the column containing the current control state of the download.
`static String`	`COLUMN_COOKIE_DATA` The name of the column contain the values of the cookie to be used for the download.
`static String`	`COLUMN_CURRENT_BYTES` The name of the column containing the size of the part of the file that has been downloaded so far.
`static String`	`COLUMN_DELETED` Set to true if this download is deleted.
`static String`	`COLUMN_DESCRIPTION` The name of the column where the initiating application can provide the description of this download.
`static String`	`COLUMN_DESTINATION` The name of the column containing the flag that controls the destination of the download.
`static String`	`COLUMN_ERROR_MSG` The column with errorMsg for a failed downloaded.
`static String`	`COLUMN_FILE_NAME_HINT` The name of the column containing the filename that the initiating application recommends.
`static String`	`COLUMN_IS_PUBLIC_API` The name of the column indicating whether the download was requesting through the public API.
`static String`	`COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI` Whether or not this download should be displayed in the system's Downloads UI.
`static String`	`COLUMN_LAST_MODIFICATION` The name of the column containing the date at which some interesting status changed in the download.
`static String`	`COLUMN_LAST_UPDATESRC` This column stores the source of the last update to this row.
`static String`	`COLUMN_MEDIA_SCANNED` The column that is used to remember whether the media scanner was invoked.
`static String`	`COLUMN_MEDIAPROVIDER_URI` The URI to the corresponding entry in MediaProvider for this downloaded entry.
`static String`	`COLUMN_MIME_TYPE` The name of the column containing the MIME type of the downloaded data.
`static String`	`COLUMN_NO_INTEGRITY` The name of the column containing the flags that indicates whether the initiating application is capable of verifying the integrity of the downloaded file.
`static String`	`COLUMN_NOTIFICATION_CLASS` The name of the column containing the component name of the class that will receive notifications associated with the download.
`static String`	`COLUMN_NOTIFICATION_EXTRAS` If extras are specified when requesting a download they will be provided in the intent that is sent to the specified class and package when a download has finished.
`static String`	`COLUMN_NOTIFICATION_PACKAGE` The name of the column containing the package name of the application that initiating the download.
`static String`	`COLUMN_OTHER_UID` The name of the column where the initiating application can provide the UID of another application that is allowed to access this download.
`static String`	`COLUMN_REFERER` The name of the column containing the referer (sic) that the initiating application wants the download manager to use for this download.
`static String`	`COLUMN_STATUS` The name of the column containing the current status of the download.
`static String`	`COLUMN_TITLE` The name of the column where the initiating application can provided the title of this download.
`static String`	`COLUMN_TOTAL_BYTES` The name of the column containing the total size of the file being downloaded.
`static String`	`COLUMN_URI` The name of the column containing the URI of the data being downloaded.
`static String`	`COLUMN_USER_AGENT` The name of the column containing the user agent that the initiating application wants the download manager to use for this download.
`static String`	`COLUMN_VISIBILITY` The name of the column containing the flags that controls whether the download is displayed by the UI.
`static Uri`	`CONTENT_URI` The content:// URI to access downloads owned by the caller's UID.
`static int`	`CONTROL_PAUSED` This download must pause at the first opportunity.
`static int`	`CONTROL_RUN` This download is allowed to run.
`static int`	`DESTINATION_CACHE_PARTITION` This download will be saved to the download manager's private partition.
`static int`	`DESTINATION_CACHE_PARTITION_NOROAMING` This download will be saved to the download manager's private partition, as with DESTINATION_CACHE_PARTITION, but the download will not proceed if the user is on a roaming data connection.
`static int`	`DESTINATION_CACHE_PARTITION_PURGEABLE` This download will be saved to the download manager's private partition and will be purged as necessary to make space.
`static int`	`DESTINATION_EXTERNAL` This download will be saved to the external storage.
`static int`	`DESTINATION_FILE_URI` This download will be saved to the location given by the file URI in `COLUMN_FILE_NAME_HINT`.
`static int`	`DESTINATION_NON_DOWNLOADMANAGER_DOWNLOAD` This download was completed by the caller (i.e., NOT downloadmanager) and caller wants to have this download displayed in Downloads App.
`static int`	`DESTINATION_SYSTEMCACHE_PARTITION` This download will be saved to the system cache ("/cache") partition.
`static int`	`LAST_UPDATESRC_DONT_NOTIFY_DOWNLOADSVC` One of the values taken by `COLUMN_LAST_UPDATESRC`.
`static int`	`LAST_UPDATESRC_NOT_RELEVANT` default value for `COLUMN_LAST_UPDATESRC`.
`static int`	`MIN_ARTIFICIAL_ERROR_STATUS` The lowest-valued error status that is not an actual HTTP status code.
`static String`	`PERMISSION_ACCESS` The permission to access the download manager
`static String`	`PERMISSION_ACCESS_ADVANCED` The permission to access the download manager's advanced functions
`static String`	`PERMISSION_ACCESS_ALL` The permission to access the all the downloads in the manager.
`static String`	`PERMISSION_CACHE` The permission to directly access the download manager's cache directory
`static String`	`PERMISSION_CACHE_NON_PURGEABLE` The permission to download files to the cache partition that won't be automatically purged when space is needed.
`static String`	`PERMISSION_NO_NOTIFICATION` The permission to download files without any system notification being shown.
`static String`	`PERMISSION_SEND_INTENTS` The permission to send broadcasts on download completion
`static Uri`	`PUBLICLY_ACCESSIBLE_DOWNLOADS_URI` The content URI for accessing publicly accessible downloads (i.e., it requires no permissions to access this downloaded file)
`static String`	`PUBLICLY_ACCESSIBLE_DOWNLOADS_URI_SEGMENT` URI segment to access a publicly accessible downloaded file
`static int`	`STATUS_BAD_REQUEST` This request couldn't be parsed.
`static int`	`STATUS_BLOCKED` Deprecated. since behavior now uses `STATUS_WAITING_FOR_NETWORK`
`static int`	`STATUS_CANCELED` This download was canceled
`static int`	`STATUS_CANNOT_RESUME` Some possibly transient error occurred, but we can't resume the download.
`static int`	`STATUS_DEVICE_NOT_FOUND_ERROR` This download couldn't be completed because no external storage device was found.
`static int`	`STATUS_FILE_ALREADY_EXISTS_ERROR` The requested destination file already exists.
`static int`	`STATUS_FILE_ERROR` This download couldn't be completed because of a storage issue.
`static int`	`STATUS_HTTP_DATA_ERROR` This download couldn't be completed because of an error receiving or processing data at the HTTP level.
`static int`	`STATUS_HTTP_EXCEPTION` This download couldn't be completed because of an HttpException while setting up the request.
`static int`	`STATUS_INSUFFICIENT_SPACE_ERROR` This download couldn't be completed due to insufficient storage space.
`static int`	`STATUS_LENGTH_REQUIRED` This download cannot be performed because the length cannot be determined accurately.
`static int`	`STATUS_NOT_ACCEPTABLE` This download can't be performed because the content type cannot be handled.
`static int`	`STATUS_PAUSED_BY_APP` This download has been paused by the owning app.
`static int`	`STATUS_PENDING` This download hasn't stated yet
`static int`	`STATUS_PRECONDITION_FAILED` This download was interrupted and cannot be resumed.
`static int`	`STATUS_QUEUED_FOR_WIFI` This download exceeded a size limit for mobile networks and is waiting for a Wi-Fi connection to proceed.
`static int`	`STATUS_RUNNING` This download has started
`static int`	`STATUS_SUCCESS` This download has successfully completed.
`static int`	`STATUS_TOO_MANY_REDIRECTS` This download couldn't be completed because there were too many redirects.
`static int`	`STATUS_UNHANDLED_HTTP_CODE` This download couldn't be completed because of an unspecified unhandled HTTP code.
`static int`	`STATUS_UNHANDLED_REDIRECT` This download couldn't be completed because of an HTTP redirect response that the download manager couldn't handle.
`static int`	`STATUS_UNKNOWN_ERROR` This download has completed with an error.
`static int`	`STATUS_WAITING_FOR_NETWORK` This download is waiting for network connectivity to proceed.
`static int`	`STATUS_WAITING_TO_RETRY` This download encountered some network error and is waiting before retrying the request.
`static int`	`VISIBILITY_HIDDEN` This download doesn't show in the UI or in the notifications.
`static int`	`VISIBILITY_VISIBLE` This download is visible but only shows in the notifications while it's in progress.
`static int`	`VISIBILITY_VISIBLE_NOTIFY_COMPLETED` This download is visible and shows in the notifications while in progress and after completion.

Fields inherited from interface android.provider.BaseColumns
_COUNT, _ID

Method Summary

Methods
Modifier and Type	Method and Description
`static boolean`	`isNotificationToBeDisplayed(int visibility)` this method determines if a notification should be displayed for a given `COLUMN_VISIBILITY` value
`static boolean`	`isStatusClientError(int status)` Returns whether the status is a client error (i.e.
`static boolean`	`isStatusCompleted(int status)` Returns whether the download has completed (either with success or error).
`static boolean`	`isStatusError(int status)` Returns whether the status is an error (i.e.
`static boolean`	`isStatusInformational(int status)` Returns whether the status is informational (i.e.
`static boolean`	`isStatusServerError(int status)` Returns whether the status is a server error (i.e.
`static boolean`	`isStatusSuccess(int status)` Returns whether the status is a success (i.e.
`static String`	`statusToString(int status)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PERMISSION_ACCESS
```
public static final String PERMISSION_ACCESS
```
    The permission to access the download manager
    
    See Also:
    Constant Field Values
  - PERMISSION_ACCESS_ADVANCED
```
public static final String PERMISSION_ACCESS_ADVANCED
```
    The permission to access the download manager's advanced functions
    
    See Also:
    Constant Field Values
  - PERMISSION_ACCESS_ALL
```
public static final String PERMISSION_ACCESS_ALL
```
    The permission to access the all the downloads in the manager.
    
    See Also:
    Constant Field Values
  - PERMISSION_CACHE
```
public static final String PERMISSION_CACHE
```
    The permission to directly access the download manager's cache directory
    
    See Also:
    Constant Field Values
  - PERMISSION_SEND_INTENTS
```
public static final String PERMISSION_SEND_INTENTS
```
    The permission to send broadcasts on download completion
    
    See Also:
    Constant Field Values
  - PERMISSION_CACHE_NON_PURGEABLE
```
public static final String PERMISSION_CACHE_NON_PURGEABLE
```
    The permission to download files to the cache partition that won't be automatically purged when space is needed.
    
    See Also:
    Constant Field Values
  - PERMISSION_NO_NOTIFICATION
```
public static final String PERMISSION_NO_NOTIFICATION
```
    The permission to download files without any system notification being shown.
    
    See Also:
    Constant Field Values
  - CONTENT_URI
```
public static final Uri CONTENT_URI
```
    The content:// URI to access downloads owned by the caller's UID.
  - ALL_DOWNLOADS_CONTENT_URI
```
public static final Uri ALL_DOWNLOADS_CONTENT_URI
```
    The content URI for accessing all downloads across all UIDs (requires the ACCESS_ALL_DOWNLOADS permission).
  - PUBLICLY_ACCESSIBLE_DOWNLOADS_URI_SEGMENT
```
public static final String PUBLICLY_ACCESSIBLE_DOWNLOADS_URI_SEGMENT
```
    URI segment to access a publicly accessible downloaded file
    
    See Also:
    Constant Field Values
  - PUBLICLY_ACCESSIBLE_DOWNLOADS_URI
```
public static final Uri PUBLICLY_ACCESSIBLE_DOWNLOADS_URI
```
    The content URI for accessing publicly accessible downloads (i.e., it requires no permissions to access this downloaded file)
  - ACTION_DOWNLOAD_COMPLETED
```
public static final String ACTION_DOWNLOAD_COMPLETED
```
    Broadcast Action: this is sent by the download manager to the app that had initiated a download when that download completes. The download's content: uri is specified in the intent's data.
    
    See Also:
    Constant Field Values
  - ACTION_NOTIFICATION_CLICKED
```
public static final String ACTION_NOTIFICATION_CLICKED
```
    Broadcast Action: this is sent by the download manager to the app that had initiated a download when the user selects the notification associated with that download. The download's content: uri is specified in the intent's data if the click is associated with a single download, or Downloads.CONTENT_URI if the notification is associated with multiple downloads. Note: this is not currently sent for downloads that have completed successfully.
    
    See Also:
    Constant Field Values
  - COLUMN_URI
```
public static final String COLUMN_URI
```
    The name of the column containing the URI of the data being downloaded.
    Type: TEXT
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_APP_DATA
```
public static final String COLUMN_APP_DATA
```
    The name of the column containing application-specific data.
    Type: TEXT
    
    Owner can Init/Read/Write
    
    See Also:
    Constant Field Values
  - COLUMN_NO_INTEGRITY
```
public static final String COLUMN_NO_INTEGRITY
```
    The name of the column containing the flags that indicates whether the initiating application is capable of verifying the integrity of the downloaded file. When this flag is set, the download manager performs downloads and reports success even in some situations where it can't guarantee that the download has completed (e.g. when doing a byte-range request without an ETag, or when it can't determine whether a download fully completed).
    Type: BOOLEAN
    
    Owner can Init
    
    See Also:
    Constant Field Values
  - COLUMN_FILE_NAME_HINT
```
public static final String COLUMN_FILE_NAME_HINT
```
    The name of the column containing the filename that the initiating application recommends. When possible, the download manager will attempt to use this filename, or a variation, as the actual name for the file.
    Type: TEXT
    
    Owner can Init
    
    See Also:
    Constant Field Values
  - _DATA
```
public static final String _DATA
```
    The name of the column containing the filename where the downloaded data was actually stored.
    Type: TEXT
    
    Owner can Read
    
    See Also:
    Constant Field Values
  - COLUMN_MIME_TYPE
```
public static final String COLUMN_MIME_TYPE
```
    The name of the column containing the MIME type of the downloaded data.
    Type: TEXT
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_DESTINATION
```
public static final String COLUMN_DESTINATION
```
    The name of the column containing the flag that controls the destination of the download. See the DESTINATION_* constants for a list of legal values.
    Type: INTEGER
    
    Owner can Init
    
    See Also:
    Constant Field Values
  - COLUMN_VISIBILITY
```
public static final String COLUMN_VISIBILITY
```
    The name of the column containing the flags that controls whether the download is displayed by the UI. See the VISIBILITY_* constants for a list of legal values.
    Type: INTEGER
    
    Owner can Init/Read/Write
    
    See Also:
    Constant Field Values
  - COLUMN_CONTROL
```
public static final String COLUMN_CONTROL
```
    The name of the column containing the current control state of the download. Applications can write to this to control (pause/resume) the download. the CONTROL_* constants for a list of legal values.
    Type: INTEGER
    
    Owner can Read
    
    See Also:
    Constant Field Values
  - COLUMN_STATUS
```
public static final String COLUMN_STATUS
```
    The name of the column containing the current status of the download. Applications can read this to follow the progress of each download. See the STATUS_* constants for a list of legal values.
    Type: INTEGER
    
    Owner can Read
    
    See Also:
    Constant Field Values
  - COLUMN_LAST_MODIFICATION
```
public static final String COLUMN_LAST_MODIFICATION
```
    The name of the column containing the date at which some interesting status changed in the download. Stored as a System.currentTimeMillis() value.
    Type: BIGINT
    
    Owner can Read
    
    See Also:
    Constant Field Values
  - COLUMN_NOTIFICATION_PACKAGE
```
public static final String COLUMN_NOTIFICATION_PACKAGE
```
    The name of the column containing the package name of the application that initiating the download. The download manager will send notifications to a component in this package when the download completes.
    Type: TEXT
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_NOTIFICATION_CLASS
```
public static final String COLUMN_NOTIFICATION_CLASS
```
    The name of the column containing the component name of the class that will receive notifications associated with the download. The package/class combination is passed to Intent.setClassName(String,String).
    Type: TEXT
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_NOTIFICATION_EXTRAS
```
public static final String COLUMN_NOTIFICATION_EXTRAS
```
    If extras are specified when requesting a download they will be provided in the intent that is sent to the specified class and package when a download has finished.
    Type: TEXT
    
    Owner can Init
    
    See Also:
    Constant Field Values
  - COLUMN_COOKIE_DATA
```
public static final String COLUMN_COOKIE_DATA
```
    The name of the column contain the values of the cookie to be used for the download. This is used directly as the value for the Cookie: HTTP header that gets sent with the request.
    Type: TEXT
    
    Owner can Init
    
    See Also:
    Constant Field Values
  - COLUMN_USER_AGENT
```
public static final String COLUMN_USER_AGENT
```
    The name of the column containing the user agent that the initiating application wants the download manager to use for this download.
    Type: TEXT
    
    Owner can Init
    
    See Also:
    Constant Field Values
  - COLUMN_REFERER
```
public static final String COLUMN_REFERER
```
    The name of the column containing the referer (sic) that the initiating application wants the download manager to use for this download.
    Type: TEXT
    
    Owner can Init
    
    See Also:
    Constant Field Values
  - COLUMN_TOTAL_BYTES
```
public static final String COLUMN_TOTAL_BYTES
```
    The name of the column containing the total size of the file being downloaded.
    Type: INTEGER
    
    Owner can Read
    
    See Also:
    Constant Field Values
  - COLUMN_CURRENT_BYTES
```
public static final String COLUMN_CURRENT_BYTES
```
    The name of the column containing the size of the part of the file that has been downloaded so far.
    Type: INTEGER
    
    Owner can Read
    
    See Also:
    Constant Field Values
  - COLUMN_OTHER_UID
```
public static final String COLUMN_OTHER_UID
```
    The name of the column where the initiating application can provide the UID of another application that is allowed to access this download. If multiple applications share the same UID, all those applications will be allowed to access this download. This column can be updated after the download is initiated. This requires the permission android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED.
    Type: INTEGER
    
    Owner can Init
    
    See Also:
    Constant Field Values
  - COLUMN_TITLE
```
public static final String COLUMN_TITLE
```
    The name of the column where the initiating application can provided the title of this download. The title will be displayed ito the user in the list of downloads.
    Type: TEXT
    
    Owner can Init/Read/Write
    
    See Also:
    Constant Field Values
  - COLUMN_DESCRIPTION
```
public static final String COLUMN_DESCRIPTION
```
    The name of the column where the initiating application can provide the description of this download. The description will be displayed to the user in the list of downloads.
    Type: TEXT
    
    Owner can Init/Read/Write
    
    See Also:
    Constant Field Values
  - COLUMN_IS_PUBLIC_API
```
public static final String COLUMN_IS_PUBLIC_API
```
    The name of the column indicating whether the download was requesting through the public API. This controls some differences in behavior.
    Type: BOOLEAN
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_ALLOWED_NETWORK_TYPES
```
public static final String COLUMN_ALLOWED_NETWORK_TYPES
```
    The name of the column holding a bitmask of allowed network types. This is only used for public API downloads.
    Type: INTEGER
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_ALLOW_ROAMING
```
public static final String COLUMN_ALLOW_ROAMING
```
    The name of the column indicating whether roaming connections can be used. This is only used for public API downloads.
    Type: BOOLEAN
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_ALLOW_METERED
```
public static final String COLUMN_ALLOW_METERED
```
    The name of the column indicating whether metered connections can be used. This is only used for public API downloads.
    Type: BOOLEAN
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI
```
public static final String COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI
```
    Whether or not this download should be displayed in the system's Downloads UI. Defaults to true.
    Type: INTEGER
    
    Owner can Init/Read
    
    See Also:
    Constant Field Values
  - COLUMN_BYPASS_RECOMMENDED_SIZE_LIMIT
```
public static final String COLUMN_BYPASS_RECOMMENDED_SIZE_LIMIT
```
    If true, the user has confirmed that this download can proceed over the mobile network even though it exceeds the recommended maximum size.
    Type: BOOLEAN
    
    See Also:
    Constant Field Values
  - COLUMN_DELETED
```
public static final String COLUMN_DELETED
```
    Set to true if this download is deleted. It is completely removed from the database when MediaProvider database also deletes the metadata asociated with this downloaded file.
    Type: BOOLEAN
    
    Owner can Read
    
    See Also:
    Constant Field Values
  - COLUMN_MEDIAPROVIDER_URI
```
public static final String COLUMN_MEDIAPROVIDER_URI
```
    The URI to the corresponding entry in MediaProvider for this downloaded entry. It is used to delete the entries from MediaProvider database when it is deleted from the downloaded list.
    Type: TEXT
    
    Owner can Read
    
    See Also:
    Constant Field Values
  - COLUMN_MEDIA_SCANNED
```
public static final String COLUMN_MEDIA_SCANNED
```
    The column that is used to remember whether the media scanner was invoked. It can take the values: null or 0(not scanned), 1(scanned), 2 (not scannable).
    Type: TEXT
    
    See Also:
    Constant Field Values
  - COLUMN_ERROR_MSG
```
public static final String COLUMN_ERROR_MSG
```
    The column with errorMsg for a failed downloaded. Used only for debugging purposes.
    Type: TEXT
    
    See Also:
    Constant Field Values
  - COLUMN_LAST_UPDATESRC
```
public static final String COLUMN_LAST_UPDATESRC
```
    This column stores the source of the last update to this row. This column is only for internal use. Valid values are indicated by LAST_UPDATESRC_* constants.
    Type: INT
    
    See Also:
    Constant Field Values
  - LAST_UPDATESRC_NOT_RELEVANT
```
public static final int LAST_UPDATESRC_NOT_RELEVANT
```
    default value for COLUMN_LAST_UPDATESRC. This value is used when this column's value is not relevant.
    
    See Also:
    Constant Field Values
  - LAST_UPDATESRC_DONT_NOTIFY_DOWNLOADSVC
```
public static final int LAST_UPDATESRC_DONT_NOTIFY_DOWNLOADSVC
```
    One of the values taken by COLUMN_LAST_UPDATESRC. This value is used when the update is NOT to be relayed to the DownloadService (and thus spare DownloadService from scanning the database when this change occurs)
    
    See Also:
    Constant Field Values
  - DESTINATION_EXTERNAL
```
public static final int DESTINATION_EXTERNAL
```
    This download will be saved to the external storage. This is the default behavior, and should be used for any file that the user can freely access, copy, delete. Even with that destination, unencrypted DRM files are saved in secure internal storage. Downloads to the external destination only write files for which there is a registered handler. The resulting files are accessible by filename to all applications.
    
    See Also:
    Constant Field Values
  - DESTINATION_CACHE_PARTITION
```
public static final int DESTINATION_CACHE_PARTITION
```
    This download will be saved to the download manager's private partition. This is the behavior used by applications that want to download private files that are used and deleted soon after they get downloaded. All file types are allowed, and only the initiating application can access the file (indirectly through a content provider). This requires the android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED permission.
    
    See Also:
    Constant Field Values
  - DESTINATION_CACHE_PARTITION_PURGEABLE
```
public static final int DESTINATION_CACHE_PARTITION_PURGEABLE
```
    This download will be saved to the download manager's private partition and will be purged as necessary to make space. This is for private files (similar to CACHE_PARTITION) that aren't deleted immediately after they are used, and are kept around by the download manager as long as space is available.
    
    See Also:
    Constant Field Values
  - DESTINATION_CACHE_PARTITION_NOROAMING
```
public static final int DESTINATION_CACHE_PARTITION_NOROAMING
```
    This download will be saved to the download manager's private partition, as with DESTINATION_CACHE_PARTITION, but the download will not proceed if the user is on a roaming data connection.
    
    See Also:
    Constant Field Values
  - DESTINATION_FILE_URI
```
public static final int DESTINATION_FILE_URI
```
    This download will be saved to the location given by the file URI in COLUMN_FILE_NAME_HINT.
    
    See Also:
    Constant Field Values
  - DESTINATION_SYSTEMCACHE_PARTITION
```
public static final int DESTINATION_SYSTEMCACHE_PARTITION
```
    This download will be saved to the system cache ("/cache") partition. This option is only used by system apps and so it requires android.permission.ACCESS_CACHE_FILESYSTEM permission.
    
    See Also:
    Constant Field Values
  - DESTINATION_NON_DOWNLOADMANAGER_DOWNLOAD
```
public static final int DESTINATION_NON_DOWNLOADMANAGER_DOWNLOAD
```
    This download was completed by the caller (i.e., NOT downloadmanager) and caller wants to have this download displayed in Downloads App.
    
    See Also:
    Constant Field Values
  - CONTROL_RUN
```
public static final int CONTROL_RUN
```
    This download is allowed to run.
    
    See Also:
    Constant Field Values
  - CONTROL_PAUSED
```
public static final int CONTROL_PAUSED
```
    This download must pause at the first opportunity.
    
    See Also:
    Constant Field Values
  - STATUS_PENDING
```
public static final int STATUS_PENDING
```
    This download hasn't stated yet
    
    See Also:
    Constant Field Values
  - STATUS_RUNNING
```
public static final int STATUS_RUNNING
```
    This download has started
    
    See Also:
    Constant Field Values
  - STATUS_PAUSED_BY_APP
```
public static final int STATUS_PAUSED_BY_APP
```
    This download has been paused by the owning app.
    
    See Also:
    Constant Field Values
  - STATUS_WAITING_TO_RETRY
```
public static final int STATUS_WAITING_TO_RETRY
```
    This download encountered some network error and is waiting before retrying the request.
    
    See Also:
    Constant Field Values
  - STATUS_WAITING_FOR_NETWORK
```
public static final int STATUS_WAITING_FOR_NETWORK
```
    This download is waiting for network connectivity to proceed.
    
    See Also:
    Constant Field Values
  - STATUS_QUEUED_FOR_WIFI
```
public static final int STATUS_QUEUED_FOR_WIFI
```
    This download exceeded a size limit for mobile networks and is waiting for a Wi-Fi connection to proceed.
    
    See Also:
    Constant Field Values
  - STATUS_INSUFFICIENT_SPACE_ERROR
```
public static final int STATUS_INSUFFICIENT_SPACE_ERROR
```
    This download couldn't be completed due to insufficient storage space. Typically, this is because the SD card is full.
    
    See Also:
    Constant Field Values
  - STATUS_DEVICE_NOT_FOUND_ERROR
```
public static final int STATUS_DEVICE_NOT_FOUND_ERROR
```
    This download couldn't be completed because no external storage device was found. Typically, this is because the SD card is not mounted.
    
    See Also:
    Constant Field Values
  - STATUS_SUCCESS
```
public static final int STATUS_SUCCESS
```
    This download has successfully completed. Warning: there might be other status values that indicate success in the future. Use isSucccess() to capture the entire category.
    
    See Also:
    Constant Field Values
  - STATUS_BAD_REQUEST
```
public static final int STATUS_BAD_REQUEST
```
    This request couldn't be parsed. This is also used when processing requests with unknown/unsupported URI schemes.
    
    See Also:
    Constant Field Values
  - STATUS_NOT_ACCEPTABLE
```
public static final int STATUS_NOT_ACCEPTABLE
```
    This download can't be performed because the content type cannot be handled.
    
    See Also:
    Constant Field Values
  - STATUS_LENGTH_REQUIRED
```
public static final int STATUS_LENGTH_REQUIRED
```
    This download cannot be performed because the length cannot be determined accurately. This is the code for the HTTP error "Length Required", which is typically used when making requests that require a content length but don't have one, and it is also used in the client when a response is received whose length cannot be determined accurately (therefore making it impossible to know when a download completes).
    
    See Also:
    Constant Field Values
  - STATUS_PRECONDITION_FAILED
```
public static final int STATUS_PRECONDITION_FAILED
```
    This download was interrupted and cannot be resumed. This is the code for the HTTP error "Precondition Failed", and it is also used in situations where the client doesn't have an ETag at all.
    
    See Also:
    Constant Field Values
  - MIN_ARTIFICIAL_ERROR_STATUS
```
public static final int MIN_ARTIFICIAL_ERROR_STATUS
```
    The lowest-valued error status that is not an actual HTTP status code.
    
    See Also:
    Constant Field Values
  - STATUS_FILE_ALREADY_EXISTS_ERROR
```
public static final int STATUS_FILE_ALREADY_EXISTS_ERROR
```
    The requested destination file already exists.
    
    See Also:
    Constant Field Values
  - STATUS_CANNOT_RESUME
```
public static final int STATUS_CANNOT_RESUME
```
    Some possibly transient error occurred, but we can't resume the download.
    
    See Also:
    Constant Field Values
  - STATUS_CANCELED
```
public static final int STATUS_CANCELED
```
    This download was canceled
    
    See Also:
    Constant Field Values
  - STATUS_UNKNOWN_ERROR
```
public static final int STATUS_UNKNOWN_ERROR
```
    This download has completed with an error. Warning: there will be other status values that indicate errors in the future. Use isStatusError() to capture the entire category.
    
    See Also:
    Constant Field Values
  - STATUS_FILE_ERROR
```
public static final int STATUS_FILE_ERROR
```
    This download couldn't be completed because of a storage issue. Typically, that's because the filesystem is missing or full. Use the more specific STATUS_INSUFFICIENT_SPACE_ERROR and STATUS_DEVICE_NOT_FOUND_ERROR when appropriate.
    
    See Also:
    Constant Field Values
  - STATUS_UNHANDLED_REDIRECT
```
public static final int STATUS_UNHANDLED_REDIRECT
```
    This download couldn't be completed because of an HTTP redirect response that the download manager couldn't handle.
    
    See Also:
    Constant Field Values
  - STATUS_UNHANDLED_HTTP_CODE
```
public static final int STATUS_UNHANDLED_HTTP_CODE
```
    This download couldn't be completed because of an unspecified unhandled HTTP code.
    
    See Also:
    Constant Field Values
  - STATUS_HTTP_DATA_ERROR
```
public static final int STATUS_HTTP_DATA_ERROR
```
    This download couldn't be completed because of an error receiving or processing data at the HTTP level.
    
    See Also:
    Constant Field Values
  - STATUS_HTTP_EXCEPTION
```
public static final int STATUS_HTTP_EXCEPTION
```
    This download couldn't be completed because of an HttpException while setting up the request.
    
    See Also:
    Constant Field Values
  - STATUS_TOO_MANY_REDIRECTS
```
public static final int STATUS_TOO_MANY_REDIRECTS
```
    This download couldn't be completed because there were too many redirects.
    
    See Also:
    Constant Field Values
  - STATUS_BLOCKED
```
@Deprecated
public static final int STATUS_BLOCKED
```
    Deprecated. since behavior now uses STATUS_WAITING_FOR_NETWORK
    
    This download has failed because requesting application has been blocked by NetworkPolicyManager.
    
    See Also:
    Constant Field Values
  - VISIBILITY_VISIBLE
```
public static final int VISIBILITY_VISIBLE
```
    This download is visible but only shows in the notifications while it's in progress.
    
    See Also:
    Constant Field Values
  - VISIBILITY_VISIBLE_NOTIFY_COMPLETED
```
public static final int VISIBILITY_VISIBLE_NOTIFY_COMPLETED
```
    This download is visible and shows in the notifications while in progress and after completion.
    
    See Also:
    Constant Field Values
  - VISIBILITY_HIDDEN
```
public static final int VISIBILITY_HIDDEN
```
    This download doesn't show in the UI or in the notifications.
    
    See Also:
    Constant Field Values
- Method Detail
  - isStatusInformational
```
public static boolean isStatusInformational(int status)
```
    Returns whether the status is informational (i.e. 1xx).
  - isStatusSuccess
```
public static boolean isStatusSuccess(int status)
```
    Returns whether the status is a success (i.e. 2xx).
  - isStatusError
```
public static boolean isStatusError(int status)
```
    Returns whether the status is an error (i.e. 4xx or 5xx).
  - isStatusClientError
```
public static boolean isStatusClientError(int status)
```
    Returns whether the status is a client error (i.e. 4xx).
  - isStatusServerError
```
public static boolean isStatusServerError(int status)
```
    Returns whether the status is a server error (i.e. 5xx).
  - isNotificationToBeDisplayed
```
public static boolean isNotificationToBeDisplayed(int visibility)
```
    this method determines if a notification should be displayed for a given COLUMN_VISIBILITY value
    
    Parameters:
    visibility - the value of COLUMN_VISIBILITY.
    
    Returns:
    true if the notification should be displayed. false otherwise.
  - isStatusCompleted
```
public static boolean isStatusCompleted(int status)
```
    Returns whether the download has completed (either with success or error).
  - statusToString
```
public static String statusToString(int status)
```

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Android Reference

Downloads.Impl

Class Downloads.Impl

Nested Class Summary

Field Summary

Fields inherited from interface android.provider.BaseColumns

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PERMISSION_ACCESS

PERMISSION_ACCESS_ADVANCED

PERMISSION_ACCESS_ALL

PERMISSION_CACHE

PERMISSION_SEND_INTENTS

PERMISSION_CACHE_NON_PURGEABLE

PERMISSION_NO_NOTIFICATION

CONTENT_URI

ALL_DOWNLOADS_CONTENT_URI

PUBLICLY_ACCESSIBLE_DOWNLOADS_URI_SEGMENT

PUBLICLY_ACCESSIBLE_DOWNLOADS_URI

ACTION_DOWNLOAD_COMPLETED

ACTION_NOTIFICATION_CLICKED

COLUMN_URI

COLUMN_APP_DATA

COLUMN_NO_INTEGRITY

COLUMN_FILE_NAME_HINT

_DATA

COLUMN_MIME_TYPE

COLUMN_DESTINATION

COLUMN_VISIBILITY

COLUMN_CONTROL

COLUMN_STATUS

COLUMN_LAST_MODIFICATION

COLUMN_NOTIFICATION_PACKAGE

COLUMN_NOTIFICATION_CLASS

COLUMN_NOTIFICATION_EXTRAS

COLUMN_COOKIE_DATA

COLUMN_USER_AGENT

COLUMN_REFERER

COLUMN_TOTAL_BYTES

COLUMN_CURRENT_BYTES

COLUMN_OTHER_UID

COLUMN_TITLE

COLUMN_DESCRIPTION

COLUMN_IS_PUBLIC_API

COLUMN_ALLOWED_NETWORK_TYPES

COLUMN_ALLOW_ROAMING

COLUMN_ALLOW_METERED

COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI

COLUMN_BYPASS_RECOMMENDED_SIZE_LIMIT

COLUMN_DELETED

COLUMN_MEDIAPROVIDER_URI

COLUMN_MEDIA_SCANNED

COLUMN_ERROR_MSG

COLUMN_LAST_UPDATESRC

LAST_UPDATESRC_NOT_RELEVANT

LAST_UPDATESRC_DONT_NOTIFY_DOWNLOADSVC

DESTINATION_EXTERNAL

DESTINATION_CACHE_PARTITION

DESTINATION_CACHE_PARTITION_PURGEABLE

DESTINATION_CACHE_PARTITION_NOROAMING

DESTINATION_FILE_URI

DESTINATION_SYSTEMCACHE_PARTITION

DESTINATION_NON_DOWNLOADMANAGER_DOWNLOAD

CONTROL_RUN

CONTROL_PAUSED

STATUS_PENDING

STATUS_RUNNING

STATUS_PAUSED_BY_APP

STATUS_WAITING_TO_RETRY

STATUS_WAITING_FOR_NETWORK

STATUS_QUEUED_FOR_WIFI

STATUS_INSUFFICIENT_SPACE_ERROR

STATUS_DEVICE_NOT_FOUND_ERROR

STATUS_SUCCESS

STATUS_BAD_REQUEST

STATUS_NOT_ACCEPTABLE

STATUS_LENGTH_REQUIRED

STATUS_PRECONDITION_FAILED