/core/java/android/provider/Downloads.java

https://github.com/phunkycow/android_frameworks_base · Java · 1215 lines · 197 code · 153 blank · 865 comment · 16 complexity · ec086234d31bcd4ee2f82fdf5fa271ec MD5 · raw file 

    

  1. /*
    2. 

  2.  * Copyright (C) 2008 The Android Open Source Project
    3. 

  3.  *
    4. 

  4.  * Licensed under the Apache License, Version 2.0 (the "License");
    5. 

  5.  * you may not use this file except in compliance with the License.
    6. 

  6.  * You may obtain a copy of the License at
    7. 

  7.  *
    8. 

  8.  *      http://www.apache.org/licenses/LICENSE-2.0
    9. 

  9.  *
    10. 

  10.  * Unless required by applicable law or agreed to in writing, software
    11. 

  11.  * distributed under the License is distributed on an "AS IS" BASIS,
    12. 

  12.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13. 

  13.  * See the License for the specific language governing permissions and
    14. 

  14.  * limitations under the License.
    15. 

  15.  */
    16. 

  16. 

  17. package android.provider;
    18. 

  18. 

  19. import android.net.Uri;
    20. 

  20. 

  21. /**
    22. 

  22.  * The Download Manager
    23. 

  23.  *
    24. 

  24.  * @pending
    25. 

  25.  */
    26. 

  26. public final class Downloads {
    27. 

  27.     /**
    28. 

  28.      * @hide
    29. 

  29.      */
    30. 

  30.     private Downloads() {}
    31. 

  31. 

  32.     /**
    33. 

  33.      * The permission to access the download manager
    34. 

  34.      * @hide
    35. 

  35.      */
    36. 

  36.     public static final String PERMISSION_ACCESS = "android.permission.ACCESS_DOWNLOAD_MANAGER";
    37. 

  37. 

  38.     /**
    39. 

  39.      * The permission to access the download manager's advanced functions
    40. 

  40.      * @hide
    41. 

  41.      */
    42. 

  42.     public static final String PERMISSION_ACCESS_ADVANCED =
    43. 

  43.             "android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED";
    44. 

  44. 

  45.     /**
    46. 

  46.      * The permission to directly access the download manager's cache directory
    47. 

  47.      * @hide
    48. 

  48.      */
    49. 

  49.     public static final String PERMISSION_CACHE = "android.permission.ACCESS_CACHE_FILESYSTEM";
    50. 

  50. 

  51.     /**
    52. 

  52.      * The permission to send broadcasts on download completion
    53. 

  53.      * @hide
    54. 

  54.      */
    55. 

  55.     public static final String PERMISSION_SEND_INTENTS =
    56. 

  56.             "android.permission.SEND_DOWNLOAD_COMPLETED_INTENTS";
    57. 

  57. 

  58.     /**
    59. 

  59.      * The content:// URI for the data table in the provider
    60. 

  60.      * @hide
    61. 

  61.      */
    62. 

  62.     public static final Uri CONTENT_URI =
    63. 

  63.         Uri.parse("content://downloads/my_downloads");
    64. 

  64. 

  65.     /**
    66. 

  66.      * Broadcast Action: this is sent by the download manager to the app
    67. 

  67.      * that had initiated a download when that download completes. The
    68. 

  68.      * download's content: uri is specified in the intent's data.
    69. 

  69.      * @hide
    70. 

  70.      */
    71. 

  71.     public static final String ACTION_DOWNLOAD_COMPLETED =
    72. 

  72.             "android.intent.action.DOWNLOAD_COMPLETED";
    73. 

  73. 

  74.     /**
    75. 

  75.      * Broadcast Action: this is sent by the download manager to the app
    76. 

  76.      * that had initiated a download when the user selects the notification
    77. 

  77.      * associated with that download. The download's content: uri is specified
    78. 

  78.      * in the intent's data if the click is associated with a single download,
    79. 

  79.      * or Downloads.CONTENT_URI if the notification is associated with
    80. 

  80.      * multiple downloads.
    81. 

  81.      * Note: this is not currently sent for downloads that have completed
    82. 

  82.      * successfully.
    83. 

  83.      * @hide
    84. 

  84.      */
    85. 

  85.     public static final String ACTION_NOTIFICATION_CLICKED =
    86. 

  86.             "android.intent.action.DOWNLOAD_NOTIFICATION_CLICKED";
    87. 

  87. 

  88.     /**
    89. 

  89.      * The name of the column containing the URI of the data being downloaded.
    90. 

  90.      * <P>Type: TEXT</P>
    91. 

  91.      * <P>Owner can Init/Read</P>
    92. 

  92.      * @hide
    93. 

  93.      */
    94. 

  94.     public static final String COLUMN_URI = "uri";
    95. 

  95. 

  96.     /**
    97. 

  97.      * The name of the column containing application-specific data.
    98. 

  98.      * <P>Type: TEXT</P>
    99. 

  99.      * <P>Owner can Init/Read/Write</P>
    100. 

  100.      * @hide
    101. 

  101.      */
    102. 

  102.     public static final String COLUMN_APP_DATA = "entity";
    103. 

  103. 

  104.     /**
    105. 

  105.      * The name of the column containing the flags that indicates whether
    106. 

  106.      * the initiating application is capable of verifying the integrity of
    107. 

  107.      * the downloaded file. When this flag is set, the download manager
    108. 

  108.      * performs downloads and reports success even in some situations where
    109. 

  109.      * it can't guarantee that the download has completed (e.g. when doing
    110. 

  110.      * a byte-range request without an ETag, or when it can't determine
    111. 

  111.      * whether a download fully completed).
    112. 

  112.      * <P>Type: BOOLEAN</P>
    113. 

  113.      * <P>Owner can Init</P>
    114. 

  114.      * @hide
    115. 

  115.      */
    116. 

  116.     public static final String COLUMN_NO_INTEGRITY = "no_integrity";
    117. 

  117. 

  118.     /**
    119. 

  119.      * The name of the column containing the filename that the initiating
    120. 

  120.      * application recommends. When possible, the download manager will attempt
    121. 

  121.      * to use this filename, or a variation, as the actual name for the file.
    122. 

  122.      * <P>Type: TEXT</P>
    123. 

  123.      * <P>Owner can Init</P>
    124. 

  124.      * @hide
    125. 

  125.      */
    126. 

  126.     public static final String COLUMN_FILE_NAME_HINT = "hint";
    127. 

  127. 

  128.     /**
    129. 

  129.      * The name of the column containing the filename where the downloaded data
    130. 

  130.      * was actually stored.
    131. 

  131.      * <P>Type: TEXT</P>
    132. 

  132.      * <P>Owner can Read</P>
    133. 

  133.      * @hide
    134. 

  134.      */
    135. 

  135.     public static final String _DATA = "_data";
    136. 

  136. 

  137.     /**
    138. 

  138.      * The name of the column containing the MIME type of the downloaded data.
    139. 

  139.      * <P>Type: TEXT</P>
    140. 

  140.      * <P>Owner can Init/Read</P>
    141. 

  141.      * @hide
    142. 

  142.      */
    143. 

  143.     public static final String COLUMN_MIME_TYPE = "mimetype";
    144. 

  144. 

  145.     /**
    146. 

  146.      * The name of the column containing the flag that controls the destination
    147. 

  147.      * of the download. See the DESTINATION_* constants for a list of legal values.
    148. 

  148.      * <P>Type: INTEGER</P>
    149. 

  149.      * <P>Owner can Init</P>
    150. 

  150.      * @hide
    151. 

  151.      */
    152. 

  152.     public static final String COLUMN_DESTINATION = "destination";
    153. 

  153. 

  154.     /**
    155. 

  155.      * The name of the column containing the flags that controls whether the
    156. 

  156.      * download is displayed by the UI. See the VISIBILITY_* constants for
    157. 

  157.      * a list of legal values.
    158. 

  158.      * <P>Type: INTEGER</P>
    159. 

  159.      * <P>Owner can Init/Read/Write</P>
    160. 

  160.      * @hide
    161. 

  161.      */
    162. 

  162.     public static final String COLUMN_VISIBILITY = "visibility";
    163. 

  163. 

  164.     /**
    165. 

  165.      * The name of the column containing the current control state  of the download.
    166. 

  166.      * Applications can write to this to control (pause/resume) the download.
    167. 

  167.      * the CONTROL_* constants for a list of legal values.
    168. 

  168.      * <P>Type: INTEGER</P>
    169. 

  169.      * <P>Owner can Read</P>
    170. 

  170.      * @hide
    171. 

  171.      */
    172. 

  172.     public static final String COLUMN_CONTROL = "control";
    173. 

  173. 

  174.     /**
    175. 

  175.      * The name of the column containing the current status of the download.
    176. 

  176.      * Applications can read this to follow the progress of each download. See
    177. 

  177.      * the STATUS_* constants for a list of legal values.
    178. 

  178.      * <P>Type: INTEGER</P>
    179. 

  179.      * <P>Owner can Read</P>
    180. 

  180.      * @hide
    181. 

  181.      */
    182. 

  182.     public static final String COLUMN_STATUS = "status";
    183. 

  183. 

  184.     /**
    185. 

  185.      * The name of the column containing the date at which some interesting
    186. 

  186.      * status changed in the download. Stored as a System.currentTimeMillis()
    187. 

  187.      * value.
    188. 

  188.      * <P>Type: BIGINT</P>
    189. 

  189.      * <P>Owner can Read</P>
    190. 

  190.      * @hide
    191. 

  191.      */
    192. 

  192.     public static final String COLUMN_LAST_MODIFICATION = "lastmod";
    193. 

  193. 

  194.     /**
    195. 

  195.      * The name of the column containing the package name of the application
    196. 

  196.      * that initiating the download. The download manager will send
    197. 

  197.      * notifications to a component in this package when the download completes.
    198. 

  198.      * <P>Type: TEXT</P>
    199. 

  199.      * <P>Owner can Init/Read</P>
    200. 

  200.      * @hide
    201. 

  201.      */
    202. 

  202.     public static final String COLUMN_NOTIFICATION_PACKAGE = "notificationpackage";
    203. 

  203. 

  204.     /**
    205. 

  205.      * The name of the column containing the component name of the class that
    206. 

  206.      * will receive notifications associated with the download. The
    207. 

  207.      * package/class combination is passed to
    208. 

  208.      * Intent.setClassName(String,String).
    209. 

  209.      * <P>Type: TEXT</P>
    210. 

  210.      * <P>Owner can Init/Read</P>
    211. 

  211.      * @hide
    212. 

  212.      */
    213. 

  213.     public static final String COLUMN_NOTIFICATION_CLASS = "notificationclass";
    214. 

  214. 

  215.     /**
    216. 

  216.      * If extras are specified when requesting a download they will be provided in the intent that
    217. 

  217.      * is sent to the specified class and package when a download has finished.
    218. 

  218.      * <P>Type: TEXT</P>
    219. 

  219.      * <P>Owner can Init</P>
    220. 

  220.      * @hide
    221. 

  221.      */
    222. 

  222.     public static final String COLUMN_NOTIFICATION_EXTRAS = "notificationextras";
    223. 

  223. 

  224.     /**
    225. 

  225.      * The name of the column contain the values of the cookie to be used for
    226. 

  226.      * the download. This is used directly as the value for the Cookie: HTTP
    227. 

  227.      * header that gets sent with the request.
    228. 

  228.      * <P>Type: TEXT</P>
    229. 

  229.      * <P>Owner can Init</P>
    230. 

  230.      * @hide
    231. 

  231.      */
    232. 

  232.     public static final String COLUMN_COOKIE_DATA = "cookiedata";
    233. 

  233. 

  234.     /**
    235. 

  235.      * The name of the column containing the user agent that the initiating
    236. 

  236.      * application wants the download manager to use for this download.
    237. 

  237.      * <P>Type: TEXT</P>
    238. 

  238.      * <P>Owner can Init</P>
    239. 

  239.      * @hide
    240. 

  240.      */
    241. 

  241.     public static final String COLUMN_USER_AGENT = "useragent";
    242. 

  242. 

  243.     /**
    244. 

  244.      * The name of the column containing the referer (sic) that the initiating
    245. 

  245.      * application wants the download manager to use for this download.
    246. 

  246.      * <P>Type: TEXT</P>
    247. 

  247.      * <P>Owner can Init</P>
    248. 

  248.      * @hide
    249. 

  249.      */
    250. 

  250.     public static final String COLUMN_REFERER = "referer";
    251. 

  251. 

  252.     /**
    253. 

  253.      * The name of the column containing the total size of the file being
    254. 

  254.      * downloaded.
    255. 

  255.      * <P>Type: INTEGER</P>
    256. 

  256.      * <P>Owner can Read</P>
    257. 

  257.      * @hide
    258. 

  258.      */
    259. 

  259.     public static final String COLUMN_TOTAL_BYTES = "total_bytes";
    260. 

  260. 

  261.     /**
    262. 

  262.      * The name of the column containing the size of the part of the file that
    263. 

  263.      * has been downloaded so far.
    264. 

  264.      * <P>Type: INTEGER</P>
    265. 

  265.      * <P>Owner can Read</P>
    266. 

  266.      * @hide
    267. 

  267.      */
    268. 

  268.     public static final String COLUMN_CURRENT_BYTES = "current_bytes";
    269. 

  269. 

  270.     /**
    271. 

  271.      * The name of the column where the initiating application can provide the
    272. 

  272.      * UID of another application that is allowed to access this download. If
    273. 

  273.      * multiple applications share the same UID, all those applications will be
    274. 

  274.      * allowed to access this download. This column can be updated after the
    275. 

  275.      * download is initiated. This requires the permission
    276. 

  276.      * android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED.
    277. 

  277.      * <P>Type: INTEGER</P>
    278. 

  278.      * <P>Owner can Init</P>
    279. 

  279.      * @hide
    280. 

  280.      */
    281. 

  281.     public static final String COLUMN_OTHER_UID = "otheruid";
    282. 

  282. 

  283.     /**
    284. 

  284.      * The name of the column where the initiating application can provided the
    285. 

  285.      * title of this download. The title will be displayed ito the user in the
    286. 

  286.      * list of downloads.
    287. 

  287.      * <P>Type: TEXT</P>
    288. 

  288.      * <P>Owner can Init/Read/Write</P>
    289. 

  289.      * @hide
    290. 

  290.      */
    291. 

  291.     public static final String COLUMN_TITLE = "title";
    292. 

  292. 

  293.     /**
    294. 

  294.      * The name of the column where the initiating application can provide the
    295. 

  295.      * description of this download. The description will be displayed to the
    296. 

  296.      * user in the list of downloads.
    297. 

  297.      * <P>Type: TEXT</P>
    298. 

  298.      * <P>Owner can Init/Read/Write</P>
    299. 

  299.      * @hide
    300. 

  300.      */
    301. 

  301.     public static final String COLUMN_DESCRIPTION = "description";
    302. 

  302. 

  303.     /**
    304. 

  304.      * Set to true if this download is deleted. It is completely removed from the database
    305. 

  305.      * when MediaProvider database also deletes the metadata asociated with this downloaded file.
    306. 

  306.      * <P>Type: BOOLEAN</P>
    307. 

  307.      * <P>Owner can Read</P>
    308. 

  308.      * @hide
    309. 

  309.      */
    310. 

  310.     public static final String COLUMN_DELETED = "deleted";
    311. 

  311. 

  312.     /*
    313. 

  313.      * Lists the destinations that an application can specify for a download.
    314. 

  314.      */
    315. 

  315. 

  316.     /**
    317. 

  317.      * This download will be saved to the external storage. This is the
    318. 

  318.      * default behavior, and should be used for any file that the user
    319. 

  319.      * can freely access, copy, delete. Even with that destination,
    320. 

  320.      * unencrypted DRM files are saved in secure internal storage.
    321. 

  321.      * Downloads to the external destination only write files for which
    322. 

  322.      * there is a registered handler. The resulting files are accessible
    323. 

  323.      * by filename to all applications.
    324. 

  324.      * @hide
    325. 

  325.      */
    326. 

  326.     public static final int DESTINATION_EXTERNAL = 0;
    327. 

  327. 

  328.     /**
    329. 

  329.      * This download will be saved to the download manager's private
    330. 

  330.      * partition. This is the behavior used by applications that want to
    331. 

  331.      * download private files that are used and deleted soon after they
    332. 

  332.      * get downloaded. All file types are allowed, and only the initiating
    333. 

  333.      * application can access the file (indirectly through a content
    334. 

  334.      * provider). This requires the
    335. 

  335.      * android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED permission.
    336. 

  336.      * @hide
    337. 

  337.      */
    338. 

  338.     public static final int DESTINATION_CACHE_PARTITION = 1;
    339. 

  339. 

  340.     /**
    341. 

  341.      * This download will be saved to the download manager's private
    342. 

  342.      * partition and will be purged as necessary to make space. This is
    343. 

  343.      * for private files (similar to CACHE_PARTITION) that aren't deleted
    344. 

  344.      * immediately after they are used, and are kept around by the download
    345. 

  345.      * manager as long as space is available.
    346. 

  346.      * @hide
    347. 

  347.      */
    348. 

  348.     public static final int DESTINATION_CACHE_PARTITION_PURGEABLE = 2;
    349. 

  349. 

  350.     /**
    351. 

  351.      * This download will be saved to the download manager's private
    352. 

  352.      * partition, as with DESTINATION_CACHE_PARTITION, but the download
    353. 

  353.      * will not proceed if the user is on a roaming data connection.
    354. 

  354.      * @hide
    355. 

  355.      */
    356. 

  356.     public static final int DESTINATION_CACHE_PARTITION_NOROAMING = 3;
    357. 

  357. 

  358.     /**
    359. 

  359.      * This download is allowed to run.
    360. 

  360.      * @hide
    361. 

  361.      */
    362. 

  362.     public static final int CONTROL_RUN = 0;
    363. 

  363. 

  364.     /**
    365. 

  365.      * This download must pause at the first opportunity.
    366. 

  366.      * @hide
    367. 

  367.      */
    368. 

  368.     public static final int CONTROL_PAUSED = 1;
    369. 

  369. 

  370.     /*
    371. 

  371.      * Lists the states that the download manager can set on a download
    372. 

  372.      * to notify applications of the download progress.
    373. 

  373.      * The codes follow the HTTP families:<br>
    374. 

  374.      * 1xx: informational<br>
    375. 

  375.      * 2xx: success<br>
    376. 

  376.      * 3xx: redirects (not used by the download manager)<br>
    377. 

  377.      * 4xx: client errors<br>
    378. 

  378.      * 5xx: server errors
    379. 

  379.      */
    380. 

  380. 

  381.     /**
    382. 

  382.      * Returns whether the status is informational (i.e. 1xx).
    383. 

  383.      * @hide
    384. 

  384.      */
    385. 

  385.     public static boolean isStatusInformational(int status) {
    386. 

  386.         return (status >= 100 && status < 200);
    387. 

  387.     }
    388. 

  388. 

  389.     /**
    390. 

  390.      * Returns whether the status is a success (i.e. 2xx).
    391. 

  391.      * @hide
    392. 

  392.      */
    393. 

  393.     public static boolean isStatusSuccess(int status) {
    394. 

  394.         return (status >= 200 && status < 300);
    395. 

  395.     }
    396. 

  396. 

  397.     /**
    398. 

  398.      * Returns whether the status is an error (i.e. 4xx or 5xx).
    399. 

  399.      * @hide
    400. 

  400.      */
    401. 

  401.     public static boolean isStatusError(int status) {
    402. 

  402.         return (status >= 400 && status < 600);
    403. 

  403.     }
    404. 

  404. 

  405.     /**
    406. 

  406.      * Returns whether the status is a client error (i.e. 4xx).
    407. 

  407.      * @hide
    408. 

  408.      */
    409. 

  409.     public static boolean isStatusClientError(int status) {
    410. 

  410.         return (status >= 400 && status < 500);
    411. 

  411.     }
    412. 

  412. 

  413.     /**
    414. 

  414.      * Returns whether the status is a server error (i.e. 5xx).
    415. 

  415.      * @hide
    416. 

  416.      */
    417. 

  417.     public static boolean isStatusServerError(int status) {
    418. 

  418.         return (status >= 500 && status < 600);
    419. 

  419.     }
    420. 

  420. 

  421.     /**
    422. 

  422.      * Returns whether the download has completed (either with success or
    423. 

  423.      * error).
    424. 

  424.      * @hide
    425. 

  425.      */
    426. 

  426.     public static boolean isStatusCompleted(int status) {
    427. 

  427.         return (status >= 200 && status < 300) || (status >= 400 && status < 600);
    428. 

  428.     }
    429. 

  429. 

  430.     /**
    431. 

  431.      * This download hasn't stated yet
    432. 

  432.      * @hide
    433. 

  433.      */
    434. 

  434.     public static final int STATUS_PENDING = 190;
    435. 

  435. 

  436.     /**
    437. 

  437.      * This download has started
    438. 

  438.      * @hide
    439. 

  439.      */
    440. 

  440.     public static final int STATUS_RUNNING = 192;
    441. 

  441. 

  442.     /**
    443. 

  443.      * This download has successfully completed.
    444. 

  444.      * Warning: there might be other status values that indicate success
    445. 

  445.      * in the future.
    446. 

  446.      * Use isSucccess() to capture the entire category.
    447. 

  447.      * @hide
    448. 

  448.      */
    449. 

  449.     public static final int STATUS_SUCCESS = 200;
    450. 

  450. 

  451.     /**
    452. 

  452.      * This request couldn't be parsed. This is also used when processing
    453. 

  453.      * requests with unknown/unsupported URI schemes.
    454. 

  454.      * @hide
    455. 

  455.      */
    456. 

  456.     public static final int STATUS_BAD_REQUEST = 400;
    457. 

  457. 

  458.     /**
    459. 

  459.      * This download can't be performed because the content type cannot be
    460. 

  460.      * handled.
    461. 

  461.      * @hide
    462. 

  462.      */
    463. 

  463.     public static final int STATUS_NOT_ACCEPTABLE = 406;
    464. 

  464. 

  465.     /**
    466. 

  466.      * This download cannot be performed because the length cannot be
    467. 

  467.      * determined accurately. This is the code for the HTTP error "Length
    468. 

  468.      * Required", which is typically used when making requests that require
    469. 

  469.      * a content length but don't have one, and it is also used in the
    470. 

  470.      * client when a response is received whose length cannot be determined
    471. 

  471.      * accurately (therefore making it impossible to know when a download
    472. 

  472.      * completes).
    473. 

  473.      * @hide
    474. 

  474.      */
    475. 

  475.     public static final int STATUS_LENGTH_REQUIRED = 411;
    476. 

  476. 

  477.     /**
    478. 

  478.      * This download was interrupted and cannot be resumed.
    479. 

  479.      * This is the code for the HTTP error "Precondition Failed", and it is
    480. 

  480.      * also used in situations where the client doesn't have an ETag at all.
    481. 

  481.      * @hide
    482. 

  482.      */
    483. 

  483.     public static final int STATUS_PRECONDITION_FAILED = 412;
    484. 

  484. 

  485.     /**
    486. 

  486.      * This download was canceled
    487. 

  487.      * @hide
    488. 

  488.      */
    489. 

  489.     public static final int STATUS_CANCELED = 490;
    490. 

  490. 

  491.     /**
    492. 

  492.      * This download has completed with an error.
    493. 

  493.      * Warning: there will be other status values that indicate errors in
    494. 

  494.      * the future. Use isStatusError() to capture the entire category.
    495. 

  495.      * @hide
    496. 

  496.      */
    497. 

  497.     public static final int STATUS_UNKNOWN_ERROR = 491;
    498. 

  498. 

  499.     /**
    500. 

  500.      * This download couldn't be completed because of a storage issue.
    501. 

  501.      * Typically, that's because the filesystem is missing or full.
    502. 

  502.      * Use the more specific {@link #STATUS_INSUFFICIENT_SPACE_ERROR}
    503. 

  503.      * and {@link #STATUS_DEVICE_NOT_FOUND_ERROR} when appropriate.
    504. 

  504.      * @hide
    505. 

  505.      */
    506. 

  506.     public static final int STATUS_FILE_ERROR = 492;
    507. 

  507. 

  508.     /**
    509. 

  509.      * This download couldn't be completed because of an HTTP
    510. 

  510.      * redirect response that the download manager couldn't
    511. 

  511.      * handle.
    512. 

  512.      * @hide
    513. 

  513.      */
    514. 

  514.     public static final int STATUS_UNHANDLED_REDIRECT = 493;
    515. 

  515. 

  516.     /**
    517. 

  517.      * This download couldn't be completed because of an
    518. 

  518.      * unspecified unhandled HTTP code.
    519. 

  519.      * @hide
    520. 

  520.      */
    521. 

  521.     public static final int STATUS_UNHANDLED_HTTP_CODE = 494;
    522. 

  522. 

  523.     /**
    524. 

  524.      * This download couldn't be completed because of an
    525. 

  525.      * error receiving or processing data at the HTTP level.
    526. 

  526.      * @hide
    527. 

  527.      */
    528. 

  528.     public static final int STATUS_HTTP_DATA_ERROR = 495;
    529. 

  529. 

  530.     /**
    531. 

  531.      * This download couldn't be completed because of an
    532. 

  532.      * HttpException while setting up the request.
    533. 

  533.      * @hide
    534. 

  534.      */
    535. 

  535.     public static final int STATUS_HTTP_EXCEPTION = 496;
    536. 

  536. 

  537.     /**
    538. 

  538.      * This download couldn't be completed because there were
    539. 

  539.      * too many redirects.
    540. 

  540.      * @hide
    541. 

  541.      */
    542. 

  542.     public static final int STATUS_TOO_MANY_REDIRECTS = 497;
    543. 

  543. 

  544.     /**
    545. 

  545.      * This download couldn't be completed due to insufficient storage
    546. 

  546.      * space.  Typically, this is because the SD card is full.
    547. 

  547.      * @hide
    548. 

  548.      */
    549. 

  549.     public static final int STATUS_INSUFFICIENT_SPACE_ERROR = 498;
    550. 

  550. 

  551.     /**
    552. 

  552.      * This download couldn't be completed because no external storage
    553. 

  553.      * device was found.  Typically, this is because the SD card is not
    554. 

  554.      * mounted.
    555. 

  555.      * @hide
    556. 

  556.      */
    557. 

  557.     public static final int STATUS_DEVICE_NOT_FOUND_ERROR = 499;
    558. 

  558. 

  559.     /**
    560. 

  560.      * This download is visible but only shows in the notifications
    561. 

  561.      * while it's in progress.
    562. 

  562.      * @hide
    563. 

  563.      */
    564. 

  564.     public static final int VISIBILITY_VISIBLE = 0;
    565. 

  565. 

  566.     /**
    567. 

  567.      * This download is visible and shows in the notifications while
    568. 

  568.      * in progress and after completion.
    569. 

  569.      * @hide
    570. 

  570.      */
    571. 

  571.     public static final int VISIBILITY_VISIBLE_NOTIFY_COMPLETED = 1;
    572. 

  572. 

  573.     /**
    574. 

  574.      * This download doesn't show in the UI or in the notifications.
    575. 

  575.      * @hide
    576. 

  576.      */
    577. 

  577.     public static final int VISIBILITY_HIDDEN = 2;
    578. 

  578. 

  579.     /**
    580. 

  580.      * Implementation details
    581. 

  581.      *
    582. 

  582.      * Exposes constants used to interact with the download manager's
    583. 

  583.      * content provider.
    584. 

  584.      * The constants URI ... STATUS are the names of columns in the downloads table.
    585. 

  585.      *
    586. 

  586.      * @hide
    587. 

  587.      */
    588. 

  588.     public static final class Impl implements BaseColumns {
    589. 

  589.         private Impl() {}
    590. 

  590. 

  591.         /**
    592. 

  592.          * The permission to access the download manager
    593. 

  593.          */
    594. 

  594.         public static final String PERMISSION_ACCESS = "android.permission.ACCESS_DOWNLOAD_MANAGER";
    595. 

  595. 

  596.         /**
    597. 

  597.          * The permission to access the download manager's advanced functions
    598. 

  598.          */
    599. 

  599.         public static final String PERMISSION_ACCESS_ADVANCED =
    600. 

  600.                 "android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED";
    601. 

  601. 

  602.         /**
    603. 

  603.          * The permission to access the all the downloads in the manager.
    604. 

  604.          */
    605. 

  605.         public static final String PERMISSION_ACCESS_ALL =
    606. 

  606.                 "android.permission.ACCESS_ALL_DOWNLOADS";
    607. 

  607. 

  608.         /**
    609. 

  609.          * The permission to directly access the download manager's cache
    610. 

  610.          * directory
    611. 

  611.          */
    612. 

  612.         public static final String PERMISSION_CACHE = "android.permission.ACCESS_CACHE_FILESYSTEM";
    613. 

  613. 

  614.         /**
    615. 

  615.          * The permission to send broadcasts on download completion
    616. 

  616.          */
    617. 

  617.         public static final String PERMISSION_SEND_INTENTS =
    618. 

  618.                 "android.permission.SEND_DOWNLOAD_COMPLETED_INTENTS";
    619. 

  619. 

  620.         /**
    621. 

  621.          * The permission to download files to the cache partition that won't be automatically
    622. 

  622.          * purged when space is needed.
    623. 

  623.          */
    624. 

  624.         public static final String PERMISSION_CACHE_NON_PURGEABLE =
    625. 

  625.                 "android.permission.DOWNLOAD_CACHE_NON_PURGEABLE";
    626. 

  626. 

  627.         /**
    628. 

  628.          * The permission to download files without any system notification being shown.
    629. 

  629.          */
    630. 

  630.         public static final String PERMISSION_NO_NOTIFICATION =
    631. 

  631.                 "android.permission.DOWNLOAD_WITHOUT_NOTIFICATION";
    632. 

  632. 

  633.         /**
    634. 

  634.          * The content:// URI to access downloads owned by the caller's UID.
    635. 

  635.          */
    636. 

  636.         public static final Uri CONTENT_URI =
    637. 

  637.                 Uri.parse("content://downloads/my_downloads");
    638. 

  638. 

  639.         /**
    640. 

  640.          * The content URI for accessing all downloads across all UIDs (requires the
    641. 

  641.          * ACCESS_ALL_DOWNLOADS permission).
    642. 

  642.          */
    643. 

  643.         public static final Uri ALL_DOWNLOADS_CONTENT_URI =
    644. 

  644.                 Uri.parse("content://downloads/all_downloads");
    645. 

  645. 

  646.         /**
    647. 

  647.          * Broadcast Action: this is sent by the download manager to the app
    648. 

  648.          * that had initiated a download when that download completes. The
    649. 

  649.          * download's content: uri is specified in the intent's data.
    650. 

  650.          */
    651. 

  651.         public static final String ACTION_DOWNLOAD_COMPLETED =
    652. 

  652.                 "android.intent.action.DOWNLOAD_COMPLETED";
    653. 

  653. 

  654.         /**
    655. 

  655.          * Broadcast Action: this is sent by the download manager to the app
    656. 

  656.          * that had initiated a download when the user selects the notification
    657. 

  657.          * associated with that download. The download's content: uri is specified
    658. 

  658.          * in the intent's data if the click is associated with a single download,
    659. 

  659.          * or Downloads.CONTENT_URI if the notification is associated with
    660. 

  660.          * multiple downloads.
    661. 

  661.          * Note: this is not currently sent for downloads that have completed
    662. 

  662.          * successfully.
    663. 

  663.          */
    664. 

  664.         public static final String ACTION_NOTIFICATION_CLICKED =
    665. 

  665.                 "android.intent.action.DOWNLOAD_NOTIFICATION_CLICKED";
    666. 

  666. 

  667.         /**
    668. 

  668.          * The name of the column containing the URI of the data being downloaded.
    669. 

  669.          * <P>Type: TEXT</P>
    670. 

  670.          * <P>Owner can Init/Read</P>
    671. 

  671.          */
    672. 

  672.         public static final String COLUMN_URI = "uri";
    673. 

  673. 

  674.         /**
    675. 

  675.          * The name of the column containing application-specific data.
    676. 

  676.          * <P>Type: TEXT</P>
    677. 

  677.          * <P>Owner can Init/Read/Write</P>
    678. 

  678.          */
    679. 

  679.         public static final String COLUMN_APP_DATA = "entity";
    680. 

  680. 

  681.         /**
    682. 

  682.          * The name of the column containing the flags that indicates whether
    683. 

  683.          * the initiating application is capable of verifying the integrity of
    684. 

  684.          * the downloaded file. When this flag is set, the download manager
    685. 

  685.          * performs downloads and reports success even in some situations where
    686. 

  686.          * it can't guarantee that the download has completed (e.g. when doing
    687. 

  687.          * a byte-range request without an ETag, or when it can't determine
    688. 

  688.          * whether a download fully completed).
    689. 

  689.          * <P>Type: BOOLEAN</P>
    690. 

  690.          * <P>Owner can Init</P>
    691. 

  691.          */
    692. 

  692.         public static final String COLUMN_NO_INTEGRITY = "no_integrity";
    693. 

  693. 

  694.         /**
    695. 

  695.          * The name of the column containing the filename that the initiating
    696. 

  696.          * application recommends. When possible, the download manager will attempt
    697. 

  697.          * to use this filename, or a variation, as the actual name for the file.
    698. 

  698.          * <P>Type: TEXT</P>
    699. 

  699.          * <P>Owner can Init</P>
    700. 

  700.          */
    701. 

  701.         public static final String COLUMN_FILE_NAME_HINT = "hint";
    702. 

  702. 

  703.         /**
    704. 

  704.          * The name of the column containing the filename where the downloaded data
    705. 

  705.          * was actually stored.
    706. 

  706.          * <P>Type: TEXT</P>
    707. 

  707.          * <P>Owner can Read</P>
    708. 

  708.          */
    709. 

  709.         public static final String _DATA = "_data";
    710. 

  710. 

  711.         /**
    712. 

  712.          * The name of the column containing the MIME type of the downloaded data.
    713. 

  713.          * <P>Type: TEXT</P>
    714. 

  714.          * <P>Owner can Init/Read</P>
    715. 

  715.          */
    716. 

  716.         public static final String COLUMN_MIME_TYPE = "mimetype";
    717. 

  717. 

  718.         /**
    719. 

  719.          * The name of the column containing the flag that controls the destination
    720. 

  720.          * of the download. See the DESTINATION_* constants for a list of legal values.
    721. 

  721.          * <P>Type: INTEGER</P>
    722. 

  722.          * <P>Owner can Init</P>
    723. 

  723.          */
    724. 

  724.         public static final String COLUMN_DESTINATION = "destination";
    725. 

  725. 

  726.         /**
    727. 

  727.          * The name of the column containing the flags that controls whether the
    728. 

  728.          * download is displayed by the UI. See the VISIBILITY_* constants for
    729. 

  729.          * a list of legal values.
    730. 

  730.          * <P>Type: INTEGER</P>
    731. 

  731.          * <P>Owner can Init/Read/Write</P>
    732. 

  732.          */
    733. 

  733.         public static final String COLUMN_VISIBILITY = "visibility";
    734. 

  734. 

  735.         /**
    736. 

  736.          * The name of the column containing the current control state  of the download.
    737. 

  737.          * Applications can write to this to control (pause/resume) the download.
    738. 

  738.          * the CONTROL_* constants for a list of legal values.
    739. 

  739.          * <P>Type: INTEGER</P>
    740. 

  740.          * <P>Owner can Read</P>
    741. 

  741.          */
    742. 

  742.         public static final String COLUMN_CONTROL = "control";
    743. 

  743. 

  744.         /**
    745. 

  745.          * The name of the column containing the current status of the download.
    746. 

  746.          * Applications can read this to follow the progress of each download. See
    747. 

  747.          * the STATUS_* constants for a list of legal values.
    748. 

  748.          * <P>Type: INTEGER</P>
    749. 

  749.          * <P>Owner can Read</P>
    750. 

  750.          */
    751. 

  751.         public static final String COLUMN_STATUS = "status";
    752. 

  752. 

  753.         /**
    754. 

  754.          * The name of the column containing the date at which some interesting
    755. 

  755.          * status changed in the download. Stored as a System.currentTimeMillis()
    756. 

  756.          * value.
    757. 

  757.          * <P>Type: BIGINT</P>
    758. 

  758.          * <P>Owner can Read</P>
    759. 

  759.          */
    760. 

  760.         public static final String COLUMN_LAST_MODIFICATION = "lastmod";
    761. 

  761. 

  762.         /**
    763. 

  763.          * The name of the column containing the package name of the application
    764. 

  764.          * that initiating the download. The download manager will send
    765. 

  765.          * notifications to a component in this package when the download completes.
    766. 

  766.          * <P>Type: TEXT</P>
    767. 

  767.          * <P>Owner can Init/Read</P>
    768. 

  768.          */
    769. 

  769.         public static final String COLUMN_NOTIFICATION_PACKAGE = "notificationpackage";
    770. 

  770. 

  771.         /**
    772. 

  772.          * The name of the column containing the component name of the class that
    773. 

  773.          * will receive notifications associated with the download. The
    774. 

  774.          * package/class combination is passed to
    775. 

  775.          * Intent.setClassName(String,String).
    776. 

  776.          * <P>Type: TEXT</P>
    777. 

  777.          * <P>Owner can Init/Read</P>
    778. 

  778.          */
    779. 

  779.         public static final String COLUMN_NOTIFICATION_CLASS = "notificationclass";
    780. 

  780. 

  781.         /**
    782. 

  782.          * If extras are specified when requesting a download they will be provided in the intent that
    783. 

  783.          * is sent to the specified class and package when a download has finished.
    784. 

  784.          * <P>Type: TEXT</P>
    785. 

  785.          * <P>Owner can Init</P>
    786. 

  786.          */
    787. 

  787.         public static final String COLUMN_NOTIFICATION_EXTRAS = "notificationextras";
    788. 

  788. 

  789.         /**
    790. 

  790.          * The name of the column contain the values of the cookie to be used for
    791. 

  791.          * the download. This is used directly as the value for the Cookie: HTTP
    792. 

  792.          * header that gets sent with the request.
    793. 

  793.          * <P>Type: TEXT</P>
    794. 

  794.          * <P>Owner can Init</P>
    795. 

  795.          */
    796. 

  796.         public static final String COLUMN_COOKIE_DATA = "cookiedata";
    797. 

  797. 

  798.         /**
    799. 

  799.          * The name of the column containing the user agent that the initiating
    800. 

  800.          * application wants the download manager to use for this download.
    801. 

  801.          * <P>Type: TEXT</P>
    802. 

  802.          * <P>Owner can Init</P>
    803. 

  803.          */
    804. 

  804.         public static final String COLUMN_USER_AGENT = "useragent";
    805. 

  805. 

  806.         /**
    807. 

  807.          * The name of the column containing the referer (sic) that the initiating
    808. 

  808.          * application wants the download manager to use for this download.
    809. 

  809.          * <P>Type: TEXT</P>
    810. 

  810.          * <P>Owner can Init</P>
    811. 

  811.          */
    812. 

  812.         public static final String COLUMN_REFERER = "referer";
    813. 

  813. 

  814.         /**
    815. 

  815.          * The name of the column containing the total size of the file being
    816. 

  816.          * downloaded.
    817. 

  817.          * <P>Type: INTEGER</P>
    818. 

  818.          * <P>Owner can Read</P>
    819. 

  819.          */
    820. 

  820.         public static final String COLUMN_TOTAL_BYTES = "total_bytes";
    821. 

  821. 

  822.         /**
    823. 

  823.          * The name of the column containing the size of the part of the file that
    824. 

  824.          * has been downloaded so far.
    825. 

  825.          * <P>Type: INTEGER</P>
    826. 

  826.          * <P>Owner can Read</P>
    827. 

  827.          */
    828. 

  828.         public static final String COLUMN_CURRENT_BYTES = "current_bytes";
    829. 

  829. 

  830.         /**
    831. 

  831.          * The name of the column where the initiating application can provide the
    832. 

  832.          * UID of another application that is allowed to access this download. If
    833. 

  833.          * multiple applications share the same UID, all those applications will be
    834. 

  834.          * allowed to access this download. This column can be updated after the
    835. 

  835.          * download is initiated. This requires the permission
    836. 

  836.          * android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED.
    837. 

  837.          * <P>Type: INTEGER</P>
    838. 

  838.          * <P>Owner can Init</P>
    839. 

  839.          */
    840. 

  840.         public static final String COLUMN_OTHER_UID = "otheruid";
    841. 

  841. 

  842.         /**
    843. 

  843.          * The name of the column where the initiating application can provided the
    844. 

  844.          * title of this download. The title will be displayed ito the user in the
    845. 

  845.          * list of downloads.
    846. 

  846.          * <P>Type: TEXT</P>
    847. 

  847.          * <P>Owner can Init/Read/Write</P>
    848. 

  848.          */
    849. 

  849.         public static final String COLUMN_TITLE = "title";
    850. 

  850. 

  851.         /**
    852. 

  852.          * The name of the column where the initiating application can provide the
    853. 

  853.          * description of this download. The description will be displayed to the
    854. 

  854.          * user in the list of downloads.
    855. 

  855.          * <P>Type: TEXT</P>
    856. 

  856.          * <P>Owner can Init/Read/Write</P>
    857. 

  857.          */
    858. 

  858.         public static final String COLUMN_DESCRIPTION = "description";
    859. 

  859. 

  860.         /**
    861. 

  861.          * The name of the column indicating whether the download was requesting through the public
    862. 

  862.          * API.  This controls some differences in behavior.
    863. 

  863.          * <P>Type: BOOLEAN</P>
    864. 

  864.          * <P>Owner can Init/Read</P>
    865. 

  865.          */
    866. 

  866.         public static final String COLUMN_IS_PUBLIC_API = "is_public_api";
    867. 

  867. 

  868.         /**
    869. 

  869.          * The name of the column indicating whether roaming connections can be used.  This is only
    870. 

  870.          * used for public API downloads.
    871. 

  871.          * <P>Type: BOOLEAN</P>
    872. 

  872.          * <P>Owner can Init/Read</P>
    873. 

  873.          */
    874. 

  874.         public static final String COLUMN_ALLOW_ROAMING = "allow_roaming";
    875. 

  875. 

  876.         /**
    877. 

  877.          * The name of the column holding a bitmask of allowed network types.  This is only used for
    878. 

  878.          * public API downloads.
    879. 

  879.          * <P>Type: INTEGER</P>
    880. 

  880.          * <P>Owner can Init/Read</P>
    881. 

  881.          */
    882. 

  882.         public static final String COLUMN_ALLOWED_NETWORK_TYPES = "allowed_network_types";
    883. 

  883. 

  884.         /**
    885. 

  885.          * Whether or not this download should be displayed in the system's Downloads UI.  Defaults
    886. 

  886.          * to true.
    887. 

  887.          * <P>Type: INTEGER</P>
    888. 

  888.          * <P>Owner can Init/Read</P>
    889. 

  889.          */
    890. 

  890.         public static final String COLUMN_IS_VISIBLE_IN_DOWNLOADS_UI = "is_visible_in_downloads_ui";
    891. 

  891. 

  892.         /**
    893. 

  893.          * If true, the user has confirmed that this download can proceed over the mobile network
    894. 

  894.          * even though it exceeds the recommended maximum size.
    895. 

  895.          * <P>Type: BOOLEAN</P>
    896. 

  896.          */
    897. 

  897.         public static final String COLUMN_BYPASS_RECOMMENDED_SIZE_LIMIT =
    898. 

  898.             "bypass_recommended_size_limit";
    899. 

  899. 

  900.         /**
    901. 

  901.          * Set to true if this download is deleted. It is completely removed from the database
    902. 

  902.          * when MediaProvider database also deletes the metadata asociated with this downloaded file.
    903. 

  903.          * <P>Type: BOOLEAN</P>
    904. 

  904.          * <P>Owner can Read</P>
    905. 

  905.          */
    906. 

  906.         public static final String COLUMN_DELETED = "deleted";
    907. 

  907. 

  908.         /**
    909. 

  909.          * The URI to the corresponding entry in MediaProvider for this downloaded entry. It is
    910. 

  910.          * used to delete the entries from MediaProvider database when it is deleted from the
    911. 

  911.          * downloaded list.
    912. 

  912.          * <P>Type: TEXT</P>
    913. 

  913.          * <P>Owner can Read</P>
    914. 

  914.          */
    915. 

  915.         public static final String COLUMN_MEDIAPROVIDER_URI = "mediaprovider_uri";
    916. 

  916. 

  917.         /*
    918. 

  918.          * Lists the destinations that an application can specify for a download.
    919. 

  919.          */
    920. 

  920. 

  921.         /**
    922. 

  922.          * This download will be saved to the external storage. This is the
    923. 

  923.          * default behavior, and should be used for any file that the user
    924. 

  924.          * can freely access, copy, delete. Even with that destination,
    925. 

  925.          * unencrypted DRM files are saved in secure internal storage.
    926. 

  926.          * Downloads to the external destination only write files for which
    927. 

  927.          * there is a registered handler. The resulting files are accessible
    928. 

  928.          * by filename to all applications.
    929. 

  929.          */
    930. 

  930.         public static final int DESTINATION_EXTERNAL = 0;
    931. 

  931. 

  932.         /**
    933. 

  933.          * This download will be saved to the download manager's private
    934. 

  934.          * partition. This is the behavior used by applications that want to
    935. 

  935.          * download private files that are used and deleted soon after they
    936. 

  936.          * get downloaded. All file types are allowed, and only the initiating
    937. 

  937.          * application can access the file (indirectly through a content
    938. 

  938.          * provider). This requires the
    939. 

  939.          * android.permission.ACCESS_DOWNLOAD_MANAGER_ADVANCED permission.
    940. 

  940.          */
    941. 

  941.         public static final int DESTINATION_CACHE_PARTITION = 1;
    942. 

  942. 

  943.         /**
    944. 

  944.          * This download will be saved to the download manager's private
    945. 

  945.          * partition and will be purged as necessary to make space. This is
    946. 

  946.          * for private files (similar to CACHE_PARTITION) that aren't deleted
    947. 

  947.          * immediately after they are used, and are kept around by the download
    948. 

  948.          * manager as long as space is available.
    949. 

  949.          */
    950. 

  950.         public static final int DESTINATION_CACHE_PARTITION_PURGEABLE = 2;
    951. 

  951. 

  952.         /**
    953. 

  953.          * This download will be saved to the download manager's private
    954. 

  954.          * partition, as with DESTINATION_CACHE_PARTITION, but the download
    955. 

  955.          * will not proceed if the user is on a roaming data connection.
    956. 

  956.          */
    957. 

  957.         public static final int DESTINATION_CACHE_PARTITION_NOROAMING = 3;
    958. 

  958. 

  959.         /**
    960. 

  960.          * This download will be saved to the location given by the file URI in
    961. 

  961.          * {@link #COLUMN_FILE_NAME_HINT}.
    962. 

  962.          */
    963. 

  963.         public static final int DESTINATION_FILE_URI = 4;
    964. 

  964. 

  965.         /**
    966. 

  966.          * This download is allowed to run.
    967. 

  967.          */
    968. 

  968.         public static final int CONTROL_RUN = 0;
    969. 

  969. 

  970.         /**
    971. 

  971.          * This download must pause at the first opportunity.
    972. 

  972.          */
    973. 

  973.         public static final int CONTROL_PAUSED = 1;
    974. 

  974. 

  975.         /*
    976. 

  976.          * Lists the states that the download manager can set on a download
    977. 

  977.          * to notify applications of the download progress.
    978. 

  978.          * The codes follow the HTTP families:<br>
    979. 

  979.          * 1xx: informational<br>
    980. 

  980.          * 2xx: success<br>
    981. 

  981.          * 3xx: redirects (not used by the download manager)<br>
    982. 

  982.          * 4xx: client errors<br>
    983. 

  983.          * 5xx: server errors
    984. 

  984.          */
    985. 

  985. 

  986.         /**
    987. 

  987.          * Returns whether the status is informational (i.e. 1xx).
    988. 

  988.          */
    989. 

  989.         public static boolean isStatusInformational(int status) {
    990. 

  990.             return (status >= 100 && status < 200);
    991. 

  991.         }
    992. 

  992. 

  993.         /**
    994. 

  994.          * Returns whether the status is a success (i.e. 2xx).
    995. 

  995.          */
    996. 

  996.         public static boolean isStatusSuccess(int status) {
    997. 

  997.             return (status >= 200 && status < 300);
    998. 

  998.         }
    999. 

  999. 

  1000.         /**
    1001. 

  1001.          * Returns whether the status is an error (i.e. 4xx or 5xx).
    1002. 

  1002.          */
    1003. 

  1003.         public static boolean isStatusError(int status) {
    1004. 

  1004.             return (status >= 400 && status < 600);
    1005. 

  1005.         }
    1006. 

  1006. 

  1007.         /**
    1008. 

  1008.          * Returns whether the status is a client error (i.e. 4xx).
    1009. 

  1009.          */
    1010. 

  1010.         public static boolean isStatusClientError(int status) {
    1011. 

  1011.             return (status >= 400 && status < 500);
    1012. 

  1012.         }
    1013. 

  1013. 

  1014.         /**
    1015. 

  1015.          * Returns whether the status is a server error (i.e. 5xx).
    1016. 

  1016.          */
    1017. 

  1017.         public static boolean isStatusServerError(int status) {
    1018. 

  1018.             return (status >= 500 && status < 600);
    1019. 

  1019.         }
    1020. 

  1020. 

  1021.         /**
    1022. 

  1022.          * Returns whether the download has completed (either with success or
    1023. 

  1023.          * error).
    1024. 

  1024.          */
    1025. 

  1025.         public static boolean isStatusCompleted(int status) {
    1026. 

  1026.             return (status >= 200 && status < 300) || (status >= 400 && status < 600);
    1027. 

  1027.         }
    1028. 

  1028. 

  1029.         /**
    1030. 

  1030.          * This download hasn't stated yet
    1031. 

  1031.          */
    1032. 

  1032.         public static final int STATUS_PENDING = 190;
    1033. 

  1033. 

  1034.         /**
    1035. 

  1035.          * This download has started
    1036. 

  1036.          */
    1037. 

  1037.         public static final int STATUS_RUNNING = 192;
    1038. 

  1038. 

  1039.         /**
    1040. 

  1040.          * This download has been paused by the owning app.
    1041. 

  1041.          */
    1042. 

  1042.         public static final int STATUS_PAUSED_BY_APP = 193;
    1043. 

  1043. 

  1044.         /**
    1045. 

  1045.          * This download encountered some network error and is waiting before retrying the request.
    1046. 

  1046.          */
    1047. 

  1047.         public static final int STATUS_WAITING_TO_RETRY = 194;
    1048. 

  1048. 

  1049.         /**
    1050. 

  1050.          * This download is waiting for network connectivity to proceed.
    1051. 

  1051.          */
    1052. 

  1052.         public static final int STATUS_WAITING_FOR_NETWORK = 195;
    1053. 

  1053. 

  1054.         /**
    1055. 

  1055.          * This download exceeded a size limit for mobile networks and is waiting for a Wi-Fi
    1056. 

  1056.          * connection to proceed.
    1057. 

  1057.          */
    1058. 

  1058.         public static final int STATUS_QUEUED_FOR_WIFI = 196;
    1059. 

  1059. 

  1060.         /**
    1061. 

  1061.          * This download has successfully completed.
    1062. 

  1062.          * Warning: there might be other status values that indicate success
    1063. 

  1063.          * in the future.
    1064. 

  1064.          * Use isSucccess() to capture the entire category.
    1065. 

  1065.          */
    1066. 

  1066.         public static final int STATUS_SUCCESS = 200;
    1067. 

  1067. 

  1068.         /**
    1069. 

  1069.          * This request couldn't be parsed. This is also used when processing
    1070. 

  1070.          * requests with unknown/unsupported URI schemes.
    1071. 

  1071.          */
    1072. 

  1072.         public static final int STATUS_BAD_REQUEST = 400;
    1073. 

  1073. 

  1074.         /**
    1075. 

  1075.          * This download can't be performed because the content type cannot be
    1076. 

  1076.          * handled.
    1077. 

  1077.          */
    1078. 

  1078.         public static final int STATUS_NOT_ACCEPTABLE = 406;
    1079. 

  1079. 

  1080.         /**
    1081. 

  1081.          * This download cannot be performed because the length cannot be
    1082. 

  1082.          * determined accurately. This is the code for the HTTP error "Length
    1083. 

  1083.          * Required", which is typically used when making requests that require
    1084. 

  1084.          * a content length but don't have one, and it is also used in the
    1085. 

  1085.          * client when a response is received whose length cannot be determined
    1086. 

  1086.          * accurately (therefore making it impossible to know when a download
    1087. 

  1087.          * completes).
    1088. 

  1088.          */
    1089. 

  1089.         public static final int STATUS_LENGTH_REQUIRED = 411;
    1090. 

  1090. 

  1091.         /**
    1092. 

  1092.          * This download was interrupted and cannot be resumed.
    1093. 

  1093.          * This is the code for the HTTP error "Precondition Failed", and it is
    1094. 

  1094.          * also used in situations where the client doesn't have an ETag at all.
    1095. 

  1095.          */
    1096. 

  1096.         public static final int STATUS_PRECONDITION_FAILED = 412;
    1097. 

  1097. 

  1098.         /**
    1099. 

  1099.          * The lowest-valued error status that is not an actual HTTP status code.
    1100. 

  1100.          */
    1101. 

  1101.         public static final int MIN_ARTIFICIAL_ERROR_STATUS = 488;
    1102. 

  1102. 

  1103.         /**
    1104. 

  1104.          * The requested destination file already exists.
    1105. 

  1105.          */
    1106. 

  1106.         public static final int STATUS_FILE_ALREADY_EXISTS_ERROR = 488;
    1107. 

  1107. 

  1108.         /**
    1109. 

  1109.          * Some possibly transient error occurred, but we can't resume the download.
    1110. 

  1110.          */
    1111. 

  1111.         public static final int STATUS_CANNOT_RESUME = 489;
    1112. 

  1112. 

  1113.         /**
    1114. 

  1114.          * This download was canceled
    1115. 

  1115.          */
    1116. 

  1116.         public static final int STATUS_CANCELED = 490;
    1117. 

  1117. 

  1118.         /**
    1119. 

  1119.          * This download has completed with an error.
    1120. 

  1120.          * Warning: there will be other status values that indicate errors in
    1121. 

  1121.          * the future. Use isStatusError() to capture the entire category.
    1122. 

  1122.          */
    1123. 

  1123.         public static final int STATUS_UNKNOWN_ERROR = 491;
    1124. 

  1124. 

  1125.         /**
    1126. 

  1126.          * This download couldn't be completed because of a storage issue.
    1127. 

  1127.          * Typically, that's because the filesystem is missing or full.
    1128. 

  1128.          * Use the more specific {@link #STATUS_INSUFFICIENT_SPACE_ERROR}
    1129. 

  1129.          * and {@link #STATUS_DEVICE_NOT_FOUND_ERROR} when appropriate.
    1130. 

  1130.          */
    1131. 

  1131.         public static final int STATUS_FILE_ERROR = 492;
    1132. 

  1132. 

  1133.         /**
    1134. 

  1134.          * This download couldn't be completed because of an HTTP
    1135. 

  1135.          * redirect response that the download manager couldn't
    1136. 

  1136.          * handle.
    1137. 

  1137.          */
    1138. 

  1138.         public static final int STATUS_UNHANDLED_REDIRECT = 493;
    1139. 

  1139. 

  1140.         /**
    1141. 

  1141.          * This download couldn't be completed because of an
    1142. 

  1142.          * unspecified unhandled HTTP code.
    1143. 

  1143.          */
    1144. 

  1144.         public static final int STATUS_UNHANDLED_HTTP_CODE = 494;
    1145. 

  1145. 

  1146.         /**
    1147. 

  1147.          * This download couldn't be completed because of an
    1148. 

  1148.          * error receiving or processing data at the HTTP level.
    1149. 

  1149.          */
    1150. 

  1150.         public static final int STATUS_HTTP_DATA_ERROR = 495;
    1151. 

  1151. 

  1152.         /**
    1153. 

  1153.          * This download couldn't be completed because of an
    1154. 

  1154.          * HttpException while setting up the request.
    1155. 

  1155.          */
    1156. 

  1156.         public static final int STATUS_HTTP_EXCEPTION = 496;
    1157. 

  1157. 

  1158.         /**
    1159. 

  1159.          * This download couldn't be completed because there were
    1160. 

  1160.          * too many redirects.
    1161. 

  1161.          */
    1162. 

  1162.         public static final int STATUS_TOO_MANY_REDIRECTS = 497;
    1163. 

  1163. 

  1164.         /**
    1165. 

  1165.          * This download couldn't be completed due to insufficient storage
    1166. 

  1166.          * space.  Typically, this is because the SD card is full.
    1167. 

  1167.          */
    1168. 

  1168.         public static final int STATUS_INSUFFICIENT_SPACE_ERROR = 498;
    1169. 

  1169. 

  1170.         /**
    1171. 

  1171.          * This download couldn't be completed because no external storage
    1172. 

  1172.          * device was found.  Typically, this is because the SD card is not
    1173. 

  1173.          * mounted.
    1174. 

  1174.          */
    1175. 

  1175.         public static final int STATUS_DEVICE_NOT_FOUND_ERROR = 499;
    1176. 

  1176. 

  1177.         /**
    1178. 

  1178.          * This download is visible but only shows in the notifications
    1179. 

  1179.          * while it's in progress.
    1180. 

  1180.          */
    1181. 

  1181.         public static final int VISIBILITY_VISIBLE = 0;
    1182. 

  1182. 

  1183.         /**
    1184. 

  1184.          * This download is visible and shows in the notifications while
    1185. 

  1185.          * in progress and after completion.
    1186. 

  1186.          */
    1187. 

  1187.         public static final int VISIBILITY_VISIBLE_NOTIFY_COMPLETED = 1;
    1188. 

  1188. 

  1189.         /**
    1190. 

  1190.          * This download doesn't show in the UI or in the notifications.
    1191. 

  1191.          */
    1192. 

  1192.         public static final int VISIBILITY_HIDDEN = 2;
    1193. 

  1193. 

  1194.         /**
    1195. 

  1195.          * Constants related to HTTP request headers associated with each download.
    1196. 

  1196.          */
    1197. 

  1197.         public static class RequestHeaders {
    1198. 

  1198.             public static final String HEADERS_DB_TABLE = "request_headers";
    1199. 

  1199.             public static final String COLUMN_DOWNLOAD_ID = "download_id";
    1200. 

  1200.             public static final String COLUMN_HEADER = "header";
    1201. 

  1201.             public static final String COLUMN_VALUE = "value";
    1202. 

  1202. 

  1203.             /**
    1204. 

  1204.              * Path segment to add to a download URI to retrieve request headers
    1205. 

  1205.              */
    1206. 

  1206.             public static final String URI_SEGMENT = "headers";
    1207. 

  1207. 

  1208.             /**
    1209. 

  1209.              * Prefix for ContentValues keys that contain HTTP header lines, to be passed to
    1210. 

  1210.              * DownloadProvider.insert().
    1211. 

  1211.              */
    1212. 

  1212.             public static final String INSERT_KEY_PREFIX = "http_header_";
    1213. 

  1213.         }
    1214. 

  1214.     }
    1215. 

  1215. }
    1216.