1216 lines
43 KiB
Java
1216 lines
43 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.provider;
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import android.net.Uri;
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/**
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* The Download Manager
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*
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* @pending
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*/
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public final class Downloads {
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/**
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* @hide
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*/
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private Downloads() {}
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/**
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* The permission to access the download manager
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* @hide
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*/
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public static final String PERMISSION_ACCESS = "android.permission.ACCESS_DOWNLOAD_MANAGER";
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/**
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* The permission to access the download manager's advanced functions
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* @hide
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*/
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public static final String PERMISSION_ACCESS_ADVANCED =
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"android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED";
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/**
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* The permission to directly access the download manager's cache directory
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* @hide
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*/
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public static final String PERMISSION_CACHE = "android.permission.ACCESS_CACHE_FILESYSTEM";
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/**
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* The permission to send broadcasts on download completion
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* @hide
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*/
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public static final String PERMISSION_SEND_INTENTS =
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"android.permission.SEND_DOWNLOAD_COMPLETED_INTENTS";
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/**
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* The content:// URI for the data table in the provider
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* @hide
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*/
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public static final Uri CONTENT_URI =
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Uri.parse("content://downloads/my_downloads");
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/**
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* Broadcast Action: this is sent by the download manager to the app
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* that had initiated a download when that download completes. The
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* download's content: uri is specified in the intent's data.
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* @hide
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*/
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public static final String ACTION_DOWNLOAD_COMPLETED =
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"android.intent.action.DOWNLOAD_COMPLETED";
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/**
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* Broadcast Action: this is sent by the download manager to the app
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* that had initiated a download when the user selects the notification
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* associated with that download. The download's content: uri is specified
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* in the intent's data if the click is associated with a single download,
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* or Downloads.CONTENT_URI if the notification is associated with
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* multiple downloads.
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* Note: this is not currently sent for downloads that have completed
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* successfully.
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* @hide
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*/
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public static final String ACTION_NOTIFICATION_CLICKED =
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"android.intent.action.DOWNLOAD_NOTIFICATION_CLICKED";
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/**
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* The name of the column containing the URI of the data being downloaded.
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* <P>Type: TEXT</P>
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* <P>Owner can Init/Read</P>
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* @hide
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*/
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public static final String COLUMN_URI = "uri";
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/**
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* The name of the column containing application-specific data.
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* <P>Type: TEXT</P>
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* <P>Owner can Init/Read/Write</P>
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* @hide
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*/
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public static final String COLUMN_APP_DATA = "entity";
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/**
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* The name of the column containing the flags that indicates whether
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* the initiating application is capable of verifying the integrity of
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* the downloaded file. When this flag is set, the download manager
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* performs downloads and reports success even in some situations where
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* it can't guarantee that the download has completed (e.g. when doing
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* a byte-range request without an ETag, or when it can't determine
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* whether a download fully completed).
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* <P>Type: BOOLEAN</P>
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* <P>Owner can Init</P>
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* @hide
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*/
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public static final String COLUMN_NO_INTEGRITY = "no_integrity";
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/**
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* The name of the column containing the filename that the initiating
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* application recommends. When possible, the download manager will attempt
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* to use this filename, or a variation, as the actual name for the file.
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* <P>Type: TEXT</P>
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* <P>Owner can Init</P>
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* @hide
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*/
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public static final String COLUMN_FILE_NAME_HINT = "hint";
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/**
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* The name of the column containing the filename where the downloaded data
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* was actually stored.
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* <P>Type: TEXT</P>
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* <P>Owner can Read</P>
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* @hide
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*/
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public static final String _DATA = "_data";
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/**
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* The name of the column containing the MIME type of the downloaded data.
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* <P>Type: TEXT</P>
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* <P>Owner can Init/Read</P>
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* @hide
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*/
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public static final String COLUMN_MIME_TYPE = "mimetype";
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/**
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* The name of the column containing the flag that controls the destination
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* of the download. See the DESTINATION_* constants for a list of legal values.
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* <P>Type: INTEGER</P>
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* <P>Owner can Init</P>
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* @hide
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*/
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public static final String COLUMN_DESTINATION = "destination";
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/**
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* The name of the column containing the flags that controls whether the
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* download is displayed by the UI. See the VISIBILITY_* constants for
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* a list of legal values.
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* <P>Type: INTEGER</P>
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* <P>Owner can Init/Read/Write</P>
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* @hide
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*/
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public static final String COLUMN_VISIBILITY = "visibility";
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/**
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* The name of the column containing the current control state of the download.
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* Applications can write to this to control (pause/resume) the download.
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* the CONTROL_* constants for a list of legal values.
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* <P>Type: INTEGER</P>
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* <P>Owner can Read</P>
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* @hide
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*/
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public static final String COLUMN_CONTROL = "control";
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/**
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* The name of the column containing the current status of the download.
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* Applications can read this to follow the progress of each download. See
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* the STATUS_* constants for a list of legal values.
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* <P>Type: INTEGER</P>
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* <P>Owner can Read</P>
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* @hide
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*/
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public static final String COLUMN_STATUS = "status";
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/**
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* The name of the column containing the date at which some interesting
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* status changed in the download. Stored as a System.currentTimeMillis()
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* value.
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* <P>Type: BIGINT</P>
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* <P>Owner can Read</P>
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* @hide
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*/
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public static final String COLUMN_LAST_MODIFICATION = "lastmod";
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/**
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* The name of the column containing the package name of the application
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* that initiating the download. The download manager will send
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* notifications to a component in this package when the download completes.
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* <P>Type: TEXT</P>
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* <P>Owner can Init/Read</P>
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* @hide
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*/
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public static final String COLUMN_NOTIFICATION_PACKAGE = "notificationpackage";
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/**
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* The name of the column containing the component name of the class that
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* will receive notifications associated with the download. The
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* package/class combination is passed to
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* Intent.setClassName(String,String).
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* <P>Type: TEXT</P>
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* <P>Owner can Init/Read</P>
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* @hide
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*/
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public static final String COLUMN_NOTIFICATION_CLASS = "notificationclass";
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/**
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* If extras are specified when requesting a download they will be provided in the intent that
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* is sent to the specified class and package when a download has finished.
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* <P>Type: TEXT</P>
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* <P>Owner can Init</P>
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* @hide
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*/
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public static final String COLUMN_NOTIFICATION_EXTRAS = "notificationextras";
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/**
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* The name of the column contain the values of the cookie to be used for
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* the download. This is used directly as the value for the Cookie: HTTP
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* header that gets sent with the request.
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* <P>Type: TEXT</P>
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* <P>Owner can Init</P>
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* @hide
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*/
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public static final String COLUMN_COOKIE_DATA = "cookiedata";
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/**
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* The name of the column containing the user agent that the initiating
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* application wants the download manager to use for this download.
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* <P>Type: TEXT</P>
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* <P>Owner can Init</P>
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* @hide
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*/
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public static final String COLUMN_USER_AGENT = "useragent";
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/**
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* The name of the column containing the referer (sic) that the initiating
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* application wants the download manager to use for this download.
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* <P>Type: TEXT</P>
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* <P>Owner can Init</P>
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* @hide
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*/
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public static final String COLUMN_REFERER = "referer";
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/**
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* The name of the column containing the total size of the file being
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* downloaded.
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* <P>Type: INTEGER</P>
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* <P>Owner can Read</P>
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* @hide
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*/
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public static final String COLUMN_TOTAL_BYTES = "total_bytes";
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/**
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* The name of the column containing the size of the part of the file that
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* has been downloaded so far.
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* <P>Type: INTEGER</P>
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* <P>Owner can Read</P>
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* @hide
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*/
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public static final String COLUMN_CURRENT_BYTES = "current_bytes";
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/**
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* The name of the column where the initiating application can provide the
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* UID of another application that is allowed to access this download. If
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* multiple applications share the same UID, all those applications will be
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* allowed to access this download. This column can be updated after the
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* download is initiated. This requires the permission
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* android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED.
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* <P>Type: INTEGER</P>
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* <P>Owner can Init</P>
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* @hide
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*/
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public static final String COLUMN_OTHER_UID = "otheruid";
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/**
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* The name of the column where the initiating application can provided the
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* title of this download. The title will be displayed ito the user in the
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* list of downloads.
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* <P>Type: TEXT</P>
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* <P>Owner can Init/Read/Write</P>
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* @hide
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*/
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public static final String COLUMN_TITLE = "title";
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/**
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* The name of the column where the initiating application can provide the
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* description of this download. The description will be displayed to the
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* user in the list of downloads.
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* <P>Type: TEXT</P>
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* <P>Owner can Init/Read/Write</P>
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* @hide
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*/
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public static final String COLUMN_DESCRIPTION = "description";
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/**
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* Set to true if this download is deleted. It is completely removed from the database
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* when MediaProvider database also deletes the metadata asociated with this downloaded file.
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* <P>Type: BOOLEAN</P>
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* <P>Owner can Read</P>
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* @hide
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*/
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public static final String COLUMN_DELETED = "deleted";
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/*
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* Lists the destinations that an application can specify for a download.
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*/
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/**
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* This download will be saved to the external storage. This is the
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* default behavior, and should be used for any file that the user
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* can freely access, copy, delete. Even with that destination,
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* unencrypted DRM files are saved in secure internal storage.
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* Downloads to the external destination only write files for which
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* there is a registered handler. The resulting files are accessible
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* by filename to all applications.
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* @hide
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*/
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public static final int DESTINATION_EXTERNAL = 0;
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/**
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* This download will be saved to the download manager's private
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* partition. This is the behavior used by applications that want to
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* download private files that are used and deleted soon after they
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* get downloaded. All file types are allowed, and only the initiating
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* application can access the file (indirectly through a content
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* provider). This requires the
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* android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED permission.
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* @hide
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*/
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public static final int DESTINATION_CACHE_PARTITION = 1;
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/**
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* This download will be saved to the download manager's private
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* partition and will be purged as necessary to make space. This is
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* for private files (similar to CACHE_PARTITION) that aren't deleted
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* immediately after they are used, and are kept around by the download
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* manager as long as space is available.
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* @hide
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*/
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public static final int DESTINATION_CACHE_PARTITION_PURGEABLE = 2;
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/**
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* This download will be saved to the download manager's private
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* partition, as with DESTINATION_CACHE_PARTITION, but the download
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* will not proceed if the user is on a roaming data connection.
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* @hide
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*/
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public static final int DESTINATION_CACHE_PARTITION_NOROAMING = 3;
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/**
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* This download is allowed to run.
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* @hide
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*/
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public static final int CONTROL_RUN = 0;
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/**
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* This download must pause at the first opportunity.
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* @hide
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*/
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public static final int CONTROL_PAUSED = 1;
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/*
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* Lists the states that the download manager can set on a download
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* to notify applications of the download progress.
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* The codes follow the HTTP families:<br>
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* 1xx: informational<br>
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* 2xx: success<br>
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* 3xx: redirects (not used by the download manager)<br>
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* 4xx: client errors<br>
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* 5xx: server errors
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*/
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/**
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* Returns whether the status is informational (i.e. 1xx).
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* @hide
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*/
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public static boolean isStatusInformational(int status) {
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return (status >= 100 && status < 200);
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}
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/**
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* Returns whether the status is a success (i.e. 2xx).
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* @hide
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*/
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public static boolean isStatusSuccess(int status) {
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return (status >= 200 && status < 300);
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}
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/**
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* Returns whether the status is an error (i.e. 4xx or 5xx).
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* @hide
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*/
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public static boolean isStatusError(int status) {
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return (status >= 400 && status < 600);
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}
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/**
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* Returns whether the status is a client error (i.e. 4xx).
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* @hide
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*/
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public static boolean isStatusClientError(int status) {
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return (status >= 400 && status < 500);
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}
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/**
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* Returns whether the status is a server error (i.e. 5xx).
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* @hide
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*/
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public static boolean isStatusServerError(int status) {
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return (status >= 500 && status < 600);
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}
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/**
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* Returns whether the download has completed (either with success or
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* error).
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* @hide
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*/
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public static boolean isStatusCompleted(int status) {
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return (status >= 200 && status < 300) || (status >= 400 && status < 600);
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}
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/**
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* This download hasn't stated yet
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* @hide
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*/
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public static final int STATUS_PENDING = 190;
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/**
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* This download has started
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* @hide
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*/
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public static final int STATUS_RUNNING = 192;
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/**
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* This download has successfully completed.
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* Warning: there might be other status values that indicate success
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* in the future.
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* Use isSucccess() to capture the entire category.
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* @hide
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*/
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public static final int STATUS_SUCCESS = 200;
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/**
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* This request couldn't be parsed. This is also used when processing
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* requests with unknown/unsupported URI schemes.
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* @hide
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*/
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public static final int STATUS_BAD_REQUEST = 400;
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/**
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* This download can't be performed because the content type cannot be
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* handled.
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* @hide
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*/
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public static final int STATUS_NOT_ACCEPTABLE = 406;
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/**
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* This download cannot be performed because the length cannot be
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* determined accurately. This is the code for the HTTP error "Length
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* Required", which is typically used when making requests that require
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* a content length but don't have one, and it is also used in the
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* client when a response is received whose length cannot be determined
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* accurately (therefore making it impossible to know when a download
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* completes).
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* @hide
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*/
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public static final int STATUS_LENGTH_REQUIRED = 411;
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/**
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* This download was interrupted and cannot be resumed.
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* This is the code for the HTTP error "Precondition Failed", and it is
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* also used in situations where the client doesn't have an ETag at all.
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* @hide
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*/
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public static final int STATUS_PRECONDITION_FAILED = 412;
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/**
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* This download was canceled
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* @hide
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*/
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public static final int STATUS_CANCELED = 490;
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/**
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* This download has completed with an error.
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* Warning: there will be other status values that indicate errors in
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* the future. Use isStatusError() to capture the entire category.
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* @hide
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*/
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public static final int STATUS_UNKNOWN_ERROR = 491;
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/**
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* This download couldn't be completed because of a storage issue.
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* Typically, that's because the filesystem is missing or full.
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* Use the more specific {@link #STATUS_INSUFFICIENT_SPACE_ERROR}
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* and {@link #STATUS_DEVICE_NOT_FOUND_ERROR} when appropriate.
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* @hide
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*/
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public static final int STATUS_FILE_ERROR = 492;
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/**
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* This download couldn't be completed because of an HTTP
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* redirect response that the download manager couldn't
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* handle.
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* @hide
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*/
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public static final int STATUS_UNHANDLED_REDIRECT = 493;
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/**
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* This download couldn't be completed because of an
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* unspecified unhandled HTTP code.
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* @hide
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*/
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public static final int STATUS_UNHANDLED_HTTP_CODE = 494;
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/**
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* This download couldn't be completed because of an
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* error receiving or processing data at the HTTP level.
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* @hide
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*/
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public static final int STATUS_HTTP_DATA_ERROR = 495;
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/**
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* This download couldn't be completed because of an
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* HttpException while setting up the request.
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* @hide
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*/
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public static final int STATUS_HTTP_EXCEPTION = 496;
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/**
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* This download couldn't be completed because there were
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* too many redirects.
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* @hide
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*/
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public static final int STATUS_TOO_MANY_REDIRECTS = 497;
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/**
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* This download couldn't be completed due to insufficient storage
|
|
* space. Typically, this is because the SD card is full.
|
|
* @hide
|
|
*/
|
|
public static final int STATUS_INSUFFICIENT_SPACE_ERROR = 498;
|
|
|
|
/**
|
|
* This download couldn't be completed because no external storage
|
|
* device was found. Typically, this is because the SD card is not
|
|
* mounted.
|
|
* @hide
|
|
*/
|
|
public static final int STATUS_DEVICE_NOT_FOUND_ERROR = 499;
|
|
|
|
/**
|
|
* This download is visible but only shows in the notifications
|
|
* while it's in progress.
|
|
* @hide
|
|
*/
|
|
public static final int VISIBILITY_VISIBLE = 0;
|
|
|
|
/**
|
|
* This download is visible and shows in the notifications while
|
|
* in progress and after completion.
|
|
* @hide
|
|
*/
|
|
public static final int VISIBILITY_VISIBLE_NOTIFY_COMPLETED = 1;
|
|
|
|
/**
|
|
* This download doesn't show in the UI or in the notifications.
|
|
* @hide
|
|
*/
|
|
public static final int VISIBILITY_HIDDEN = 2;
|
|
|
|
/**
|
|
* 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() {}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
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).
|
|
*/
|
|
public static final Uri ALL_DOWNLOADS_CONTENT_URI =
|
|
Uri.parse("content://downloads/all_downloads");
|
|
|
|
/**
|
|
* 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 =
|
|
"android.intent.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 =
|
|
"android.intent.action.DOWNLOAD_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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
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>
|
|
*/
|
|
public static final String COLUMN_IS_PUBLIC_API = "is_public_api";
|
|
|
|
/**
|
|
* 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>
|
|
*/
|
|
public static final String COLUMN_ALLOW_ROAMING = "allow_roaming";
|
|
|
|
/**
|
|
* 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>
|
|
*/
|
|
public static final String COLUMN_ALLOWED_NETWORK_TYPES = "allowed_network_types";
|
|
|
|
/**
|
|
* 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>
|
|
*/
|
|
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>
|
|
*/
|
|
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";
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
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}.
|
|
*/
|
|
public static final int DESTINATION_FILE_URI = 4;
|
|
|
|
/**
|
|
* 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).
|
|
*/
|
|
public static boolean isStatusSuccess(int status) {
|
|
return (status >= 200 && status < 300);
|
|
}
|
|
|
|
/**
|
|
* Returns whether the status is an error (i.e. 4xx or 5xx).
|
|
*/
|
|
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);
|
|
}
|
|
|
|
/**
|
|
* Returns whether the download has completed (either with success or
|
|
* error).
|
|
*/
|
|
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 has successfully completed.
|
|
* Warning: there might be other status values that indicate success
|
|
* in the future.
|
|
* Use isSucccess() 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 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 = 498;
|
|
|
|
/**
|
|
* 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 = 499;
|
|
|
|
/**
|
|
* This download is visible but only shows in the notifications
|
|
* while it's in progress.
|
|
*/
|
|
public static final int VISIBILITY_VISIBLE = 0;
|
|
|
|
/**
|
|
* This download is visible and shows in the notifications while
|
|
* in progress and after completion.
|
|
*/
|
|
public static final int VISIBILITY_VISIBLE_NOTIFY_COMPLETED = 1;
|
|
|
|
/**
|
|
* This download doesn't show in the UI or in the notifications.
|
|
*/
|
|
public static final int VISIBILITY_HIDDEN = 2;
|
|
|
|
/**
|
|
* 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().
|
|
*/
|
|
public static final String INSERT_KEY_PREFIX = "http_header_";
|
|
}
|
|
}
|
|
}
|