| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.provider; |
| |
| import android.app.DownloadManager; |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.content.Context; |
| import android.net.NetworkPolicyManager; |
| import android.net.Uri; |
| |
| /** |
| * The Download Manager |
| * |
| * @pending |
| */ |
| public final class Downloads { |
| private Downloads() {} |
| |
| /** |
| * 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. |
| * |
| * @hide |
| */ |
| public static final class Impl implements BaseColumns { |
| private Impl() {} |
| |
| public static final String AUTHORITY = "downloads"; |
| |
| /** |
| * The permission to access the download manager |
| */ |
| public static final String PERMISSION_ACCESS = "android.permission.ACCESS_DOWNLOAD_MANAGER"; |
| |
| /** |
| * The permission to access the download manager's advanced functions |
| */ |
| public static final String PERMISSION_ACCESS_ADVANCED = |
| "android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED"; |
| |
| /** |
| * The permission to access the all the downloads in the manager. |
| */ |
| public static final String PERMISSION_ACCESS_ALL = |
| "android.permission.ACCESS_ALL_DOWNLOADS"; |
| |
| /** |
| * The permission to directly access the download manager's cache |
| * directory |
| */ |
| public static final String PERMISSION_CACHE = "android.permission.ACCESS_CACHE_FILESYSTEM"; |
| |
| /** |
| * The permission to send broadcasts on download completion |
| */ |
| public static final String PERMISSION_SEND_INTENTS = |
| "android.permission.SEND_DOWNLOAD_COMPLETED_INTENTS"; |
| |
| /** |
| * The permission to download files to the cache partition that won't be automatically |
| * purged when space is needed. |
| */ |
| public static final String PERMISSION_CACHE_NON_PURGEABLE = |
| "android.permission.DOWNLOAD_CACHE_NON_PURGEABLE"; |
| |
| /** |
| * The permission to download files without any system notification being shown. |
| */ |
| public static final String PERMISSION_NO_NOTIFICATION = |
| "android.permission.DOWNLOAD_WITHOUT_NOTIFICATION"; |
| |
| /** |
| * The content:// URI to access downloads owned by the caller's UID. |
| */ |
| @UnsupportedAppUsage |
| public static final Uri CONTENT_URI = |
| Uri.parse("content://downloads/my_downloads"); |
| |
| /** |
| * The content URI for accessing all downloads across all UIDs (requires the |
| * ACCESS_ALL_DOWNLOADS permission). |
| */ |
| @UnsupportedAppUsage |
| public static final Uri ALL_DOWNLOADS_CONTENT_URI = |
| Uri.parse("content://downloads/all_downloads"); |
| |
| /** URI segment to access a publicly accessible downloaded file */ |
| public static final String PUBLICLY_ACCESSIBLE_DOWNLOADS_URI_SEGMENT = "public_downloads"; |
| |
| /** |
| * The content URI for accessing publicly accessible downloads (i.e., it requires no |
| * permissions to access this downloaded file) |
| */ |
| @UnsupportedAppUsage |
| public static final Uri PUBLICLY_ACCESSIBLE_DOWNLOADS_URI = |
| Uri.parse("content://downloads/" + PUBLICLY_ACCESSIBLE_DOWNLOADS_URI_SEGMENT); |
| |
| /** |
| * 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. |
| */ |
| public static final String ACTION_DOWNLOAD_COMPLETED = |
| DownloadManager.ACTION_DOWNLOAD_COMPLETED; |
| |
| /** |
| * 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. |
| */ |
| public static final String ACTION_NOTIFICATION_CLICKED = |
| DownloadManager.ACTION_NOTIFICATION_CLICKED; |
| |
| /** |
| * The name of the column containing the URI of the data being downloaded. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_URI = "uri"; |
| |
| /** |
| * The name of the column containing application-specific data. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init/Read/Write</P> |
| */ |
| public static final String COLUMN_APP_DATA = "entity"; |
| |
| /** |
| * 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). |
| * <P>Type: BOOLEAN</P> |
| * <P>Owner can Init</P> |
| */ |
| public static final String COLUMN_NO_INTEGRITY = "no_integrity"; |
| |
| /** |
| * 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. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_FILE_NAME_HINT = "hint"; |
| |
| /** |
| * The name of the column containing the filename where the downloaded data |
| * was actually stored. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Read</P> |
| */ |
| public static final String _DATA = "_data"; |
| |
| /** |
| * The name of the column containing the MIME type of the downloaded data. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_MIME_TYPE = "mimetype"; |
| |
| /** |
| * 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. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Init</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_DESTINATION = "destination"; |
| |
| /** |
| * 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. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Init/Read/Write</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_VISIBILITY = "visibility"; |
| |
| /** |
| * 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. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Read</P> |
| */ |
| public static final String COLUMN_CONTROL = "control"; |
| |
| /** |
| * 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. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Read</P> |
| */ |
| public static final String COLUMN_STATUS = "status"; |
| |
| /** |
| * The name of the column containing the date at which some interesting |
| * status changed in the download. Stored as a System.currentTimeMillis() |
| * value. |
| * <P>Type: BIGINT</P> |
| * <P>Owner can Read</P> |
| */ |
| public static final String COLUMN_LAST_MODIFICATION = "lastmod"; |
| |
| /** |
| * 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. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_NOTIFICATION_PACKAGE = "notificationpackage"; |
| |
| /** |
| * 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). |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_NOTIFICATION_CLASS = "notificationclass"; |
| |
| /** |
| * 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. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_NOTIFICATION_EXTRAS = "notificationextras"; |
| |
| /** |
| * 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. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_COOKIE_DATA = "cookiedata"; |
| |
| /** |
| * The name of the column containing the user agent that the initiating |
| * application wants the download manager to use for this download. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init</P> |
| */ |
| public static final String COLUMN_USER_AGENT = "useragent"; |
| |
| /** |
| * The name of the column containing the referer (sic) that the initiating |
| * application wants the download manager to use for this download. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_REFERER = "referer"; |
| |
| /** |
| * The name of the column containing the total size of the file being |
| * downloaded. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Read</P> |
| */ |
| public static final String COLUMN_TOTAL_BYTES = "total_bytes"; |
| |
| /** |
| * The name of the column containing the size of the part of the file that |
| * has been downloaded so far. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Read</P> |
| */ |
| public static final String COLUMN_CURRENT_BYTES = "current_bytes"; |
| |
| /** |
| * 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. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Init</P> |
| */ |
| public static final String COLUMN_OTHER_UID = "otheruid"; |
| |
| /** |
| * 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. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init/Read/Write</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_TITLE = "title"; |
| |
| /** |
| * 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. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Init/Read/Write</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_DESCRIPTION = "description"; |
| |
| /** |
| * The name of the column indicating whether the download was requesting through the public |
| * API. This controls some differences in behavior. |
| * <P>Type: BOOLEAN</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_IS_PUBLIC_API = "is_public_api"; |
| |
| /** |
| * The name of the column holding a bitmask of allowed network types. This is only used for |
| * public API downloads. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_ALLOWED_NETWORK_TYPES = "allowed_network_types"; |
| |
| /** |
| * The name of the column indicating whether roaming connections can be used. This is only |
| * used for public API downloads. |
| * <P>Type: BOOLEAN</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_ALLOW_ROAMING = "allow_roaming"; |
| |
| /** |
| * The name of the column indicating whether metered connections can be used. This is only |
| * used for public API downloads. |
| * <P>Type: BOOLEAN</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| public static final String COLUMN_ALLOW_METERED = "allow_metered"; |
| |
| /** |
| * Whether or not this download should be displayed in the system's Downloads UI. Defaults |
| * to true. |
| * <P>Type: INTEGER</P> |
| * <P>Owner can Init/Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI = "is_visible_in_downloads_ui"; |
| |
| /** |
| * If true, the user has confirmed that this download can proceed over the mobile network |
| * even though it exceeds the recommended maximum size. |
| * <P>Type: BOOLEAN</P> |
| */ |
| public static final String COLUMN_BYPASS_RECOMMENDED_SIZE_LIMIT = |
| "bypass_recommended_size_limit"; |
| |
| /** |
| * 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. |
| * <P>Type: BOOLEAN</P> |
| * <P>Owner can Read</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_DELETED = "deleted"; |
| |
| /** |
| * 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. |
| * <P>Type: TEXT</P> |
| * <P>Owner can Read</P> |
| */ |
| public static final String COLUMN_MEDIAPROVIDER_URI = "mediaprovider_uri"; |
| |
| /** |
| * Similar to {@link #COLUMN_MEDIAPROVIDER_URI}, except this cannot be updated/queried |
| * by apps and will be the source of truth when updating/deleting download entries in |
| * MediaProvider database. |
| * |
| * <P>Type: TEXT</P> |
| */ |
| public static final String COLUMN_MEDIASTORE_URI = "mediastore_uri"; |
| |
| /** |
| * The column that is used to remember whether the media scanner was invoked. |
| * It can take the values: {@link #MEDIA_NOT_SCANNED}, {@link #MEDIA_SCANNED} or |
| * {@link #MEDIA_NOT_SCANNABLE} or {@code null}. If it's value is {@code null}, it will be |
| * treated as {@link #MEDIA_NOT_SCANNED}. |
| * |
| * <P>Type: TEXT</P> |
| */ |
| @UnsupportedAppUsage |
| public static final String COLUMN_MEDIA_SCANNED = "scanned"; |
| |
| /** Possible values for column {@link #COLUMN_MEDIA_SCANNED} */ |
| public static final int MEDIA_NOT_SCANNED = 0; |
| public static final int MEDIA_SCANNED = 1; |
| public static final int MEDIA_NOT_SCANNABLE = 2; |
| |
| /** |
| * The column with errorMsg for a failed downloaded. |
| * Used only for debugging purposes. |
| * <P>Type: TEXT</P> |
| */ |
| public static final String COLUMN_ERROR_MSG = "errorMsg"; |
| |
| /** |
| * 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. |
| * <P>Type: INT</P> |
| */ |
| public static final String COLUMN_LAST_UPDATESRC = "lastUpdateSrc"; |
| |
| /** The column that is used to count retries */ |
| public static final String COLUMN_FAILED_CONNECTIONS = "numfailed"; |
| |
| public static final String COLUMN_ALLOW_WRITE = "allow_write"; |
| |
| public static final int FLAG_REQUIRES_CHARGING = 1 << 0; |
| public static final int FLAG_REQUIRES_DEVICE_IDLE = 1 << 1; |
| |
| public static final String COLUMN_FLAGS = "flags"; |
| |
| /** |
| * default value for {@link #COLUMN_LAST_UPDATESRC}. |
| * This value is used when this column's value is not relevant. |
| */ |
| public static final int LAST_UPDATESRC_NOT_RELEVANT = 0; |
| |
| /** |
| * One of the values taken by {@link #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) |
| */ |
| public static final int LAST_UPDATESRC_DONT_NOTIFY_DOWNLOADSVC = 1; |
| |
| /* |
| * Lists the destinations that an application can specify for a download. |
| */ |
| |
| /** |
| * 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. |
| */ |
| public static final int DESTINATION_EXTERNAL = 0; |
| |
| /** |
| * 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. |
| */ |
| public static final int DESTINATION_CACHE_PARTITION = 1; |
| |
| /** |
| * 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. |
| */ |
| @UnsupportedAppUsage |
| public static final int DESTINATION_CACHE_PARTITION_PURGEABLE = 2; |
| |
| /** |
| * 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. |
| */ |
| public static final int DESTINATION_CACHE_PARTITION_NOROAMING = 3; |
| |
| /** |
| * This download will be saved to the location given by the file URI in |
| * {@link #COLUMN_FILE_NAME_HINT}. |
| */ |
| @UnsupportedAppUsage |
| public static final int DESTINATION_FILE_URI = 4; |
| |
| /** |
| * 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. |
| */ |
| @Deprecated |
| public static final int DESTINATION_SYSTEMCACHE_PARTITION = 5; |
| |
| /** |
| * This download was completed by the caller (i.e., NOT downloadmanager) |
| * and caller wants to have this download displayed in Downloads App. |
| */ |
| public static final int DESTINATION_NON_DOWNLOADMANAGER_DOWNLOAD = 6; |
| |
| /** |
| * This download is allowed to run. |
| */ |
| public static final int CONTROL_RUN = 0; |
| |
| /** |
| * This download must pause at the first opportunity. |
| */ |
| public static final int CONTROL_PAUSED = 1; |
| |
| /* |
| * Lists the states that the download manager can set on a download |
| * to notify applications of the download progress. |
| * The codes follow the HTTP families:<br> |
| * 1xx: informational<br> |
| * 2xx: success<br> |
| * 3xx: redirects (not used by the download manager)<br> |
| * 4xx: client errors<br> |
| * 5xx: server errors |
| */ |
| |
| /** |
| * Returns whether the status is informational (i.e. 1xx). |
| */ |
| public static boolean isStatusInformational(int status) { |
| return (status >= 100 && status < 200); |
| } |
| |
| /** |
| * Returns whether the status is a success (i.e. 2xx). |
| */ |
| @UnsupportedAppUsage |
| public static boolean isStatusSuccess(int status) { |
| return (status >= 200 && status < 300); |
| } |
| |
| /** |
| * Returns whether the status is an error (i.e. 4xx or 5xx). |
| */ |
| @UnsupportedAppUsage |
| public static boolean isStatusError(int status) { |
| return (status >= 400 && status < 600); |
| } |
| |
| /** |
| * Returns whether the status is a client error (i.e. 4xx). |
| */ |
| public static boolean isStatusClientError(int status) { |
| return (status >= 400 && status < 500); |
| } |
| |
| /** |
| * Returns whether the status is a server error (i.e. 5xx). |
| */ |
| public static boolean isStatusServerError(int status) { |
| return (status >= 500 && status < 600); |
| } |
| |
| /** |
| * this method determines if a notification should be displayed for a |
| * given {@link #COLUMN_VISIBILITY} value |
| * @param visibility the value of {@link #COLUMN_VISIBILITY}. |
| * @return true if the notification should be displayed. false otherwise. |
| */ |
| @UnsupportedAppUsage |
| public static boolean isNotificationToBeDisplayed(int visibility) { |
| return visibility == DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED || |
| visibility == DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_ONLY_COMPLETION; |
| } |
| |
| /** |
| * Returns whether the download has completed (either with success or |
| * error). |
| */ |
| @UnsupportedAppUsage |
| public static boolean isStatusCompleted(int status) { |
| return (status >= 200 && status < 300) || (status >= 400 && status < 600); |
| } |
| |
| /** |
| * This download hasn't stated yet |
| */ |
| public static final int STATUS_PENDING = 190; |
| |
| /** |
| * This download has started |
| */ |
| public static final int STATUS_RUNNING = 192; |
| |
| /** |
| * This download has been paused by the owning app. |
| */ |
| public static final int STATUS_PAUSED_BY_APP = 193; |
| |
| /** |
| * This download encountered some network error and is waiting before retrying the request. |
| */ |
| public static final int STATUS_WAITING_TO_RETRY = 194; |
| |
| /** |
| * This download is waiting for network connectivity to proceed. |
| */ |
| public static final int STATUS_WAITING_FOR_NETWORK = 195; |
| |
| /** |
| * This download exceeded a size limit for mobile networks and is waiting for a Wi-Fi |
| * connection to proceed. |
| */ |
| public static final int STATUS_QUEUED_FOR_WIFI = 196; |
| |
| /** |
| * This download couldn't be completed due to insufficient storage |
| * space. Typically, this is because the SD card is full. |
| */ |
| public static final int STATUS_INSUFFICIENT_SPACE_ERROR = 198; |
| |
| /** |
| * This download couldn't be completed because no external storage |
| * device was found. Typically, this is because the SD card is not |
| * mounted. |
| */ |
| public static final int STATUS_DEVICE_NOT_FOUND_ERROR = 199; |
| |
| /** |
| * This download has successfully completed. |
| * Warning: there might be other status values that indicate success |
| * in the future. |
| * Use isStatusSuccess() to capture the entire category. |
| */ |
| public static final int STATUS_SUCCESS = 200; |
| |
| /** |
| * This request couldn't be parsed. This is also used when processing |
| * requests with unknown/unsupported URI schemes. |
| */ |
| public static final int STATUS_BAD_REQUEST = 400; |
| |
| /** |
| * This download can't be performed because the content type cannot be |
| * handled. |
| */ |
| public static final int STATUS_NOT_ACCEPTABLE = 406; |
| |
| /** |
| * 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). |
| */ |
| public static final int STATUS_LENGTH_REQUIRED = 411; |
| |
| /** |
| * 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. |
| */ |
| public static final int STATUS_PRECONDITION_FAILED = 412; |
| |
| /** |
| * The lowest-valued error status that is not an actual HTTP status code. |
| */ |
| public static final int MIN_ARTIFICIAL_ERROR_STATUS = 488; |
| |
| /** |
| * The requested destination file already exists. |
| */ |
| public static final int STATUS_FILE_ALREADY_EXISTS_ERROR = 488; |
| |
| /** |
| * Some possibly transient error occurred, but we can't resume the download. |
| */ |
| public static final int STATUS_CANNOT_RESUME = 489; |
| |
| /** |
| * This download was canceled |
| */ |
| public static final int STATUS_CANCELED = 490; |
| |
| /** |
| * 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. |
| */ |
| public static final int STATUS_UNKNOWN_ERROR = 491; |
| |
| /** |
| * 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 {@link #STATUS_INSUFFICIENT_SPACE_ERROR} |
| * and {@link #STATUS_DEVICE_NOT_FOUND_ERROR} when appropriate. |
| */ |
| public static final int STATUS_FILE_ERROR = 492; |
| |
| /** |
| * This download couldn't be completed because of an HTTP |
| * redirect response that the download manager couldn't |
| * handle. |
| */ |
| public static final int STATUS_UNHANDLED_REDIRECT = 493; |
| |
| /** |
| * This download couldn't be completed because of an |
| * unspecified unhandled HTTP code. |
| */ |
| public static final int STATUS_UNHANDLED_HTTP_CODE = 494; |
| |
| /** |
| * This download couldn't be completed because of an |
| * error receiving or processing data at the HTTP level. |
| */ |
| public static final int STATUS_HTTP_DATA_ERROR = 495; |
| |
| /** |
| * This download couldn't be completed because of an |
| * HttpException while setting up the request. |
| */ |
| public static final int STATUS_HTTP_EXCEPTION = 496; |
| |
| /** |
| * This download couldn't be completed because there were |
| * too many redirects. |
| */ |
| public static final int STATUS_TOO_MANY_REDIRECTS = 497; |
| |
| /** |
| * This download has failed because requesting application has been |
| * blocked by {@link NetworkPolicyManager}. |
| * |
| * @hide |
| * @deprecated since behavior now uses |
| * {@link #STATUS_WAITING_FOR_NETWORK} |
| */ |
| @Deprecated |
| public static final int STATUS_BLOCKED = 498; |
| |
| /** {@hide} */ |
| public static String statusToString(int status) { |
| switch (status) { |
| case STATUS_PENDING: return "PENDING"; |
| case STATUS_RUNNING: return "RUNNING"; |
| case STATUS_PAUSED_BY_APP: return "PAUSED_BY_APP"; |
| case STATUS_WAITING_TO_RETRY: return "WAITING_TO_RETRY"; |
| case STATUS_WAITING_FOR_NETWORK: return "WAITING_FOR_NETWORK"; |
| case STATUS_QUEUED_FOR_WIFI: return "QUEUED_FOR_WIFI"; |
| case STATUS_INSUFFICIENT_SPACE_ERROR: return "INSUFFICIENT_SPACE_ERROR"; |
| case STATUS_DEVICE_NOT_FOUND_ERROR: return "DEVICE_NOT_FOUND_ERROR"; |
| case STATUS_SUCCESS: return "SUCCESS"; |
| case STATUS_BAD_REQUEST: return "BAD_REQUEST"; |
| case STATUS_NOT_ACCEPTABLE: return "NOT_ACCEPTABLE"; |
| case STATUS_LENGTH_REQUIRED: return "LENGTH_REQUIRED"; |
| case STATUS_PRECONDITION_FAILED: return "PRECONDITION_FAILED"; |
| case STATUS_FILE_ALREADY_EXISTS_ERROR: return "FILE_ALREADY_EXISTS_ERROR"; |
| case STATUS_CANNOT_RESUME: return "CANNOT_RESUME"; |
| case STATUS_CANCELED: return "CANCELED"; |
| case STATUS_UNKNOWN_ERROR: return "UNKNOWN_ERROR"; |
| case STATUS_FILE_ERROR: return "FILE_ERROR"; |
| case STATUS_UNHANDLED_REDIRECT: return "UNHANDLED_REDIRECT"; |
| case STATUS_UNHANDLED_HTTP_CODE: return "UNHANDLED_HTTP_CODE"; |
| case STATUS_HTTP_DATA_ERROR: return "HTTP_DATA_ERROR"; |
| case STATUS_HTTP_EXCEPTION: return "HTTP_EXCEPTION"; |
| case STATUS_TOO_MANY_REDIRECTS: return "TOO_MANY_REDIRECTS"; |
| case STATUS_BLOCKED: return "BLOCKED"; |
| default: return Integer.toString(status); |
| } |
| } |
| |
| /** |
| * This download is visible but only shows in the notifications |
| * while it's in progress. |
| */ |
| public static final int VISIBILITY_VISIBLE = DownloadManager.Request.VISIBILITY_VISIBLE; |
| |
| /** |
| * This download is visible and shows in the notifications while |
| * in progress and after completion. |
| */ |
| public static final int VISIBILITY_VISIBLE_NOTIFY_COMPLETED = |
| DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED; |
| |
| /** |
| * This download doesn't show in the UI or in the notifications. |
| */ |
| public static final int VISIBILITY_HIDDEN = DownloadManager.Request.VISIBILITY_HIDDEN; |
| |
| /** |
| * Constants related to HTTP request headers associated with each download. |
| */ |
| public static class RequestHeaders { |
| public static final String HEADERS_DB_TABLE = "request_headers"; |
| public static final String COLUMN_DOWNLOAD_ID = "download_id"; |
| public static final String COLUMN_HEADER = "header"; |
| public static final String COLUMN_VALUE = "value"; |
| |
| /** |
| * Path segment to add to a download URI to retrieve request headers |
| */ |
| public static final String URI_SEGMENT = "headers"; |
| |
| /** |
| * Prefix for ContentValues keys that contain HTTP header lines, to be passed to |
| * DownloadProvider.insert(). |
| */ |
| @UnsupportedAppUsage |
| public static final String INSERT_KEY_PREFIX = "http_header_"; |
| } |
| } |
| |
| /** @hide */ |
| public static final String CALL_MEDIASTORE_DOWNLOADS_DELETED = "mediastore_downloads_deleted"; |
| /** @hide */ |
| public static final String CALL_CREATE_EXTERNAL_PUBLIC_DIR = "create_external_public_dir"; |
| /** @hide */ |
| public static final String CALL_REVOKE_MEDIASTORE_URI_PERMS = "revoke_mediastore_uri_perms"; |
| |
| /** @hide */ |
| public static final String EXTRA_IDS = "ids"; |
| /** @hide */ |
| public static final String EXTRA_MIME_TYPES = "mime_types"; |
| /** @hide */ |
| public static final String DIR_TYPE = "dir_type"; |
| |
| /** |
| * Query where clause for general querying. |
| */ |
| private static final String QUERY_WHERE_CLAUSE = Impl.COLUMN_NOTIFICATION_PACKAGE + "=? AND " |
| + Impl.COLUMN_NOTIFICATION_CLASS + "=?"; |
| |
| /** |
| * Delete all the downloads for a package/class pair. |
| */ |
| public static final void removeAllDownloadsByPackage( |
| Context context, String notification_package, String notification_class) { |
| context.getContentResolver().delete(Impl.CONTENT_URI, QUERY_WHERE_CLAUSE, |
| new String[] { notification_package, notification_class }); |
| } |
| } |
