UserManager.java revision b3b9258ab6a01af5e0df4b8385b73084cd9ec530
1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16package android.os; 17 18import android.Manifest; 19import android.accounts.AccountManager; 20import android.annotation.Nullable; 21import android.annotation.RequiresPermission; 22import android.annotation.SystemApi; 23import android.app.ActivityManager; 24import android.app.ActivityManagerNative; 25import android.app.admin.DevicePolicyManager; 26import android.content.ComponentName; 27import android.content.Context; 28import android.content.pm.UserInfo; 29import android.content.res.Resources; 30import android.graphics.Bitmap; 31import android.graphics.BitmapFactory; 32import android.graphics.Rect; 33import android.graphics.drawable.Drawable; 34import android.provider.Settings; 35import android.util.Log; 36import android.view.WindowManager.LayoutParams; 37 38import com.android.internal.R; 39 40import java.io.IOException; 41import java.util.ArrayList; 42import java.util.List; 43 44/** 45 * Manages users and user details on a multi-user system. 46 */ 47public class UserManager { 48 49 private static String TAG = "UserManager"; 50 private final IUserManager mService; 51 private final Context mContext; 52 53 /** 54 * Specifies if a user is disallowed from adding and removing accounts, unless they are 55 * {@link android.accounts.AccountManager#addAccountExplicitly programmatically} added by 56 * Authenticator. 57 * The default value is <code>false</code>. 58 * 59 * <p/>Key for user restrictions. 60 * <p/>Type: Boolean 61 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 62 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 63 * @see #getUserRestrictions() 64 */ 65 public static final String DISALLOW_MODIFY_ACCOUNTS = "no_modify_accounts"; 66 67 /** 68 * Specifies if a user is disallowed from changing Wi-Fi 69 * access points. The default value is <code>false</code>. 70 * <p/>This restriction has no effect in a managed profile. 71 * 72 * <p/>Key for user restrictions. 73 * <p/>Type: Boolean 74 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 75 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 76 * @see #getUserRestrictions() 77 */ 78 public static final String DISALLOW_CONFIG_WIFI = "no_config_wifi"; 79 80 /** 81 * Specifies if a user is disallowed from installing applications. 82 * The default value is <code>false</code>. 83 * 84 * <p/>Key for user restrictions. 85 * <p/>Type: Boolean 86 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 87 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 88 * @see #getUserRestrictions() 89 */ 90 public static final String DISALLOW_INSTALL_APPS = "no_install_apps"; 91 92 /** 93 * Specifies if a user is disallowed from uninstalling applications. 94 * The default value is <code>false</code>. 95 * 96 * <p/>Key for user restrictions. 97 * <p/>Type: Boolean 98 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 99 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 100 * @see #getUserRestrictions() 101 */ 102 public static final String DISALLOW_UNINSTALL_APPS = "no_uninstall_apps"; 103 104 /** 105 * Specifies if a user is disallowed from turning on location sharing. 106 * The default value is <code>false</code>. 107 * <p/>In a managed profile, location sharing always reflects the primary user's setting, but 108 * can be overridden and forced off by setting this restriction to true in the managed profile. 109 * 110 * <p/>Key for user restrictions. 111 * <p/>Type: Boolean 112 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 113 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 114 * @see #getUserRestrictions() 115 */ 116 public static final String DISALLOW_SHARE_LOCATION = "no_share_location"; 117 118 /** 119 * Specifies if a user is disallowed from enabling the 120 * "Unknown Sources" setting, that allows installation of apps from unknown sources. 121 * The default value is <code>false</code>. 122 * 123 * <p/>Key for user restrictions. 124 * <p/>Type: Boolean 125 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 126 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 127 * @see #getUserRestrictions() 128 */ 129 public static final String DISALLOW_INSTALL_UNKNOWN_SOURCES = "no_install_unknown_sources"; 130 131 /** 132 * Specifies if a user is disallowed from configuring bluetooth. 133 * This does <em>not</em> restrict the user from turning bluetooth on or off. 134 * The default value is <code>false</code>. 135 * <p/>This restriction has no effect in a managed profile. 136 * 137 * <p/>Key for user restrictions. 138 * <p/>Type: Boolean 139 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 140 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 141 * @see #getUserRestrictions() 142 */ 143 public static final String DISALLOW_CONFIG_BLUETOOTH = "no_config_bluetooth"; 144 145 /** 146 * Specifies if a user is disallowed from transferring files over 147 * USB. This can only be set by device owners and profile owners on the primary user. 148 * The default value is <code>false</code>. 149 * 150 * <p/>Key for user restrictions. 151 * <p/>Type: Boolean 152 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 153 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 154 * @see #getUserRestrictions() 155 */ 156 public static final String DISALLOW_USB_FILE_TRANSFER = "no_usb_file_transfer"; 157 158 /** 159 * Specifies if a user is disallowed from configuring user 160 * credentials. The default value is <code>false</code>. 161 * 162 * <p/>Key for user restrictions. 163 * <p/>Type: Boolean 164 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 165 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 166 * @see #getUserRestrictions() 167 */ 168 public static final String DISALLOW_CONFIG_CREDENTIALS = "no_config_credentials"; 169 170 /** 171 * When set on the primary user this specifies if the user can remove other users. 172 * When set on a secondary user, this specifies if the user can remove itself. 173 * This restriction has no effect on managed profiles. 174 * The default value is <code>false</code>. 175 * 176 * <p/>Key for user restrictions. 177 * <p/>Type: Boolean 178 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 179 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 180 * @see #getUserRestrictions() 181 */ 182 public static final String DISALLOW_REMOVE_USER = "no_remove_user"; 183 184 /** 185 * Specifies if a user is disallowed from enabling or 186 * accessing debugging features. The default value is <code>false</code>. 187 * 188 * <p/>Key for user restrictions. 189 * <p/>Type: Boolean 190 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 191 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 192 * @see #getUserRestrictions() 193 */ 194 public static final String DISALLOW_DEBUGGING_FEATURES = "no_debugging_features"; 195 196 /** 197 * Specifies if a user is disallowed from configuring VPN. 198 * The default value is <code>false</code>. 199 * This restriction has an effect in a managed profile only from 200 * {@link android.os.Build.VERSION_CODES#M} 201 * 202 * <p/>Key for user restrictions. 203 * <p/>Type: Boolean 204 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 205 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 206 * @see #getUserRestrictions() 207 */ 208 public static final String DISALLOW_CONFIG_VPN = "no_config_vpn"; 209 210 /** 211 * Specifies if a user is disallowed from configuring Tethering 212 * & portable hotspots. This can only be set by device owners and profile owners on the 213 * primary user. The default value is <code>false</code>. 214 * 215 * <p/>Key for user restrictions. 216 * <p/>Type: Boolean 217 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 218 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 219 * @see #getUserRestrictions() 220 */ 221 public static final String DISALLOW_CONFIG_TETHERING = "no_config_tethering"; 222 223 /** 224 * Specifies if a user is disallowed from resetting network settings 225 * from Settings. This can only be set by device owners and profile owners on the primary user. 226 * The default value is <code>false</code>. 227 * <p/>This restriction has no effect on secondary users and managed profiles since only the 228 * primary user can reset the network settings of the device. 229 * 230 * <p/>Key for user restrictions. 231 * <p/>Type: Boolean 232 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 233 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 234 * @see #getUserRestrictions() 235 */ 236 public static final String DISALLOW_NETWORK_RESET = "no_network_reset"; 237 238 /** 239 * Specifies if a user is disallowed from factory resetting 240 * from Settings. This can only be set by device owners and profile owners on the primary user. 241 * The default value is <code>false</code>. 242 * <p/>This restriction has no effect on secondary users and managed profiles since only the 243 * primary user can factory reset the device. 244 * 245 * <p/>Key for user restrictions. 246 * <p/>Type: Boolean 247 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 248 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 249 * @see #getUserRestrictions() 250 */ 251 public static final String DISALLOW_FACTORY_RESET = "no_factory_reset"; 252 253 /** 254 * Specifies if a user is disallowed from adding new users and 255 * profiles. This can only be set by device owners and profile owners on the primary user. 256 * The default value is <code>false</code>. 257 * <p/>This restriction has no effect on secondary users and managed profiles since only the 258 * primary user can add other users. 259 * 260 * <p/>Key for user restrictions. 261 * <p/>Type: Boolean 262 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 263 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 264 * @see #getUserRestrictions() 265 */ 266 public static final String DISALLOW_ADD_USER = "no_add_user"; 267 268 /** 269 * Specifies if a user is disallowed from disabling application 270 * verification. The default value is <code>false</code>. 271 * 272 * <p/>Key for user restrictions. 273 * <p/>Type: Boolean 274 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 275 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 276 * @see #getUserRestrictions() 277 */ 278 public static final String ENSURE_VERIFY_APPS = "ensure_verify_apps"; 279 280 /** 281 * Specifies if a user is disallowed from configuring cell 282 * broadcasts. This can only be set by device owners and profile owners on the primary user. 283 * The default value is <code>false</code>. 284 * <p/>This restriction has no effect on secondary users and managed profiles since only the 285 * primary user can configure cell broadcasts. 286 * 287 * <p/>Key for user restrictions. 288 * <p/>Type: Boolean 289 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 290 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 291 * @see #getUserRestrictions() 292 */ 293 public static final String DISALLOW_CONFIG_CELL_BROADCASTS = "no_config_cell_broadcasts"; 294 295 /** 296 * Specifies if a user is disallowed from configuring mobile 297 * networks. This can only be set by device owners and profile owners on the primary user. 298 * The default value is <code>false</code>. 299 * <p/>This restriction has no effect on secondary users and managed profiles since only the 300 * primary user can configure mobile networks. 301 * 302 * <p/>Key for user restrictions. 303 * <p/>Type: Boolean 304 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 305 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 306 * @see #getUserRestrictions() 307 */ 308 public static final String DISALLOW_CONFIG_MOBILE_NETWORKS = "no_config_mobile_networks"; 309 310 /** 311 * Specifies if a user is disallowed from modifying 312 * applications in Settings or launchers. The following actions will not be allowed when this 313 * restriction is enabled: 314 * <li>uninstalling apps</li> 315 * <li>disabling apps</li> 316 * <li>clearing app caches</li> 317 * <li>clearing app data</li> 318 * <li>force stopping apps</li> 319 * <li>clearing app defaults</li> 320 * <p> 321 * The default value is <code>false</code>. 322 * 323 * <p/>Key for user restrictions. 324 * <p/>Type: Boolean 325 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 326 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 327 * @see #getUserRestrictions() 328 */ 329 public static final String DISALLOW_APPS_CONTROL = "no_control_apps"; 330 331 /** 332 * Specifies if a user is disallowed from mounting 333 * physical external media. This can only be set by device owners and profile owners on the 334 * primary user. The default value is <code>false</code>. 335 * 336 * <p/>Key for user restrictions. 337 * <p/>Type: Boolean 338 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 339 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 340 * @see #getUserRestrictions() 341 */ 342 public static final String DISALLOW_MOUNT_PHYSICAL_MEDIA = "no_physical_media"; 343 344 /** 345 * Specifies if a user is disallowed from adjusting microphone 346 * volume. If set, the microphone will be muted. This can only be set by device owners 347 * and profile owners on the primary user. The default value is <code>false</code>. 348 * 349 * <p/>Key for user restrictions. 350 * <p/>Type: Boolean 351 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 352 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 353 * @see #getUserRestrictions() 354 */ 355 public static final String DISALLOW_UNMUTE_MICROPHONE = "no_unmute_microphone"; 356 357 /** 358 * Specifies if a user is disallowed from adjusting the master 359 * volume. If set, the master volume will be muted. This can only be set by device owners 360 * and profile owners on the primary user. The default value is <code>false</code>. 361 * 362 * <p/>Key for user restrictions. 363 * <p/>Type: Boolean 364 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 365 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 366 * @see #getUserRestrictions() 367 */ 368 public static final String DISALLOW_ADJUST_VOLUME = "no_adjust_volume"; 369 370 /** 371 * Specifies that the user is not allowed to make outgoing 372 * phone calls. Emergency calls are still permitted. 373 * The default value is <code>false</code>. 374 * <p/>This restriction has no effect on managed profiles since call intents are normally 375 * forwarded to the primary user. 376 * 377 * <p/>Key for user restrictions. 378 * <p/>Type: Boolean 379 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 380 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 381 * @see #getUserRestrictions() 382 */ 383 public static final String DISALLOW_OUTGOING_CALLS = "no_outgoing_calls"; 384 385 /** 386 * Specifies that the user is not allowed to send or receive 387 * SMS messages. The default value is <code>false</code>. 388 * 389 * <p/>Key for user restrictions. 390 * <p/>Type: Boolean 391 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 392 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 393 * @see #getUserRestrictions() 394 */ 395 public static final String DISALLOW_SMS = "no_sms"; 396 397 /** 398 * Specifies if the user is not allowed to have fun. In some cases, the 399 * device owner may wish to prevent the user from experiencing amusement or 400 * joy while using the device. The default value is <code>false</code>. 401 * 402 * <p/>Key for user restrictions. 403 * <p/>Type: Boolean 404 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 405 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 406 * @see #getUserRestrictions() 407 */ 408 public static final String DISALLOW_FUN = "no_fun"; 409 410 /** 411 * Specifies that windows besides app windows should not be 412 * created. This will block the creation of the following types of windows. 413 * <li>{@link LayoutParams#TYPE_TOAST}</li> 414 * <li>{@link LayoutParams#TYPE_PHONE}</li> 415 * <li>{@link LayoutParams#TYPE_PRIORITY_PHONE}</li> 416 * <li>{@link LayoutParams#TYPE_SYSTEM_ALERT}</li> 417 * <li>{@link LayoutParams#TYPE_SYSTEM_ERROR}</li> 418 * <li>{@link LayoutParams#TYPE_SYSTEM_OVERLAY}</li> 419 * 420 * <p>This can only be set by device owners and profile owners on the primary user. 421 * The default value is <code>false</code>. 422 * 423 * <p/>Key for user restrictions. 424 * <p/>Type: Boolean 425 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 426 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 427 * @see #getUserRestrictions() 428 */ 429 public static final String DISALLOW_CREATE_WINDOWS = "no_create_windows"; 430 431 /** 432 * Specifies if what is copied in the clipboard of this profile can 433 * be pasted in related profiles. Does not restrict if the clipboard of related profiles can be 434 * pasted in this profile. 435 * The default value is <code>false</code>. 436 * 437 * <p/>Key for user restrictions. 438 * <p/>Type: Boolean 439 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 440 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 441 * @see #getUserRestrictions() 442 */ 443 public static final String DISALLOW_CROSS_PROFILE_COPY_PASTE = "no_cross_profile_copy_paste"; 444 445 /** 446 * Specifies if the user is not allowed to use NFC to beam out data from apps. 447 * The default value is <code>false</code>. 448 * 449 * <p/>Key for user restrictions. 450 * <p/>Type: Boolean 451 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 452 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 453 * @see #getUserRestrictions() 454 */ 455 public static final String DISALLOW_OUTGOING_BEAM = "no_outgoing_beam"; 456 457 /** 458 * Hidden user restriction to disallow access to wallpaper manager APIs. This user restriction 459 * is always set for managed profiles. 460 * @hide 461 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 462 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 463 * @see #getUserRestrictions() 464 */ 465 public static final String DISALLOW_WALLPAPER = "no_wallpaper"; 466 467 /** 468 * Specifies if the user is not allowed to reboot the device into safe boot mode. 469 * This can only be set by device owners and profile owners on the primary user. 470 * The default value is <code>false</code>. 471 * 472 * <p/>Key for user restrictions. 473 * <p/>Type: Boolean 474 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 475 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 476 * @see #getUserRestrictions() 477 */ 478 public static final String DISALLOW_SAFE_BOOT = "no_safe_boot"; 479 480 /** 481 * Specifies if a user is not allowed to record audio. This restriction is always enabled for 482 * background users. The default value is <code>false</code>. 483 * 484 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 485 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 486 * @see #getUserRestrictions() 487 * @hide 488 */ 489 public static final String DISALLOW_RECORD_AUDIO = "no_record_audio"; 490 491 /** 492 * Specifies if a user is not allowed to run in the background and should be stopped during 493 * user switch. The default value is <code>false</code>. 494 * 495 * <p>This restriction can be set by device owners and profile owners. 496 * 497 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 498 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 499 * @see #getUserRestrictions() 500 * @hide 501 */ 502 public static final String DISALLOW_RUN_IN_BACKGROUND = "no_run_in_background"; 503 504 /** 505 * Specifies if a user is not allowed to use the camera. 506 * 507 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 508 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 509 * @see #getUserRestrictions() 510 * @hide 511 */ 512 public static final String DISALLOW_CAMERA = "no_camera"; 513 514 /** 515 * Allows apps in the parent profile to handle web links from the managed profile. 516 * 517 * This user restriction has an effect only in a managed profile. 518 * If set: 519 * Intent filters of activities in the parent profile with action 520 * {@link android.content.Intent#ACTION_VIEW}, 521 * category {@link android.content.Intent#CATEGORY_BROWSABLE}, scheme http or https, and which 522 * define a host can handle intents from the managed profile. 523 * The default value is <code>false</code>. 524 * 525 * <p/>Key for user restrictions. 526 * <p/>Type: Boolean 527 * @see DevicePolicyManager#addUserRestriction(ComponentName, String) 528 * @see DevicePolicyManager#clearUserRestriction(ComponentName, String) 529 * @see #getUserRestrictions() 530 */ 531 public static final String ALLOW_PARENT_PROFILE_APP_LINKING 532 = "allow_parent_profile_app_linking"; 533 534 /** 535 * Application restriction key that is used to indicate the pending arrival 536 * of real restrictions for the app. 537 * 538 * <p> 539 * Applications that support restrictions should check for the presence of this key. 540 * A <code>true</code> value indicates that restrictions may be applied in the near 541 * future but are not available yet. It is the responsibility of any 542 * management application that sets this flag to update it when the final 543 * restrictions are enforced. 544 * 545 * <p/>Key for application restrictions. 546 * <p/>Type: Boolean 547 * @see android.app.admin.DevicePolicyManager#setApplicationRestrictions( 548 * android.content.ComponentName, String, Bundle) 549 * @see android.app.admin.DevicePolicyManager#getApplicationRestrictions( 550 * android.content.ComponentName, String) 551 */ 552 public static final String KEY_RESTRICTIONS_PENDING = "restrictions_pending"; 553 554 /** @hide */ 555 public static final int PIN_VERIFICATION_FAILED_INCORRECT = -3; 556 /** @hide */ 557 public static final int PIN_VERIFICATION_FAILED_NOT_SET = -2; 558 /** @hide */ 559 public static final int PIN_VERIFICATION_SUCCESS = -1; 560 561 /** @hide */ 562 public static UserManager get(Context context) { 563 return (UserManager) context.getSystemService(Context.USER_SERVICE); 564 } 565 566 /** @hide */ 567 public UserManager(Context context, IUserManager service) { 568 mService = service; 569 mContext = context; 570 } 571 572 /** 573 * Returns whether the system supports multiple users. 574 * @return true if multiple users can be created by user, false if it is a single user device. 575 * @hide 576 */ 577 public static boolean supportsMultipleUsers() { 578 return getMaxSupportedUsers() > 1 579 && SystemProperties.getBoolean("fw.show_multiuserui", 580 Resources.getSystem().getBoolean(R.bool.config_enableMultiUserUI)); 581 } 582 583 /** 584 * @hide 585 * @return Whether the device is running with split system user. It means the system user and 586 * primary user are two separate users. Previously system user and primary user are combined as 587 * a single owner user. see @link {android.os.UserHandle#USER_OWNER} 588 */ 589 public static boolean isSplitSystemUser() { 590 return SystemProperties.getBoolean("ro.fw.system_user_split", false); 591 } 592 593 /** 594 * Returns the user handle for the user that this process is running under. 595 * 596 * @return the user handle of this process. 597 * @hide 598 */ 599 public int getUserHandle() { 600 return UserHandle.myUserId(); 601 } 602 603 /** 604 * Returns the user name of the user making this call. This call is only 605 * available to applications on the system image; it requires the 606 * MANAGE_USERS permission. 607 * @return the user name 608 */ 609 public String getUserName() { 610 try { 611 return mService.getUserInfo(getUserHandle()).name; 612 } catch (RemoteException re) { 613 Log.w(TAG, "Could not get user name", re); 614 return ""; 615 } 616 } 617 618 /** 619 * Used to determine whether the user making this call is subject to 620 * teleportations. 621 * 622 * <p>As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method can 623 * now automatically identify goats using advanced goat recognition technology.</p> 624 * 625 * @return Returns true if the user making this call is a goat. 626 */ 627 public boolean isUserAGoat() { 628 return mContext.getPackageManager() 629 .isPackageAvailable("com.coffeestainstudios.goatsimulator"); 630 } 631 632 /** 633 * Used to check if this process is running under the primary user. The primary user 634 * is the first human user on a device. 635 * 636 * @return whether this process is running under the primary user. 637 * @hide 638 */ 639 public boolean isPrimaryUser() { 640 UserInfo user = getUserInfo(UserHandle.myUserId()); 641 return user != null ? user.isPrimary() : false; 642 } 643 644 /** 645 * Used to check if this process is running under the system user. The system user 646 * is the initial user that is implicitly created on first boot and hosts most of the 647 * system services. 648 * 649 * @return whether this process is running under the system user. 650 */ 651 public boolean isSystemUser() { 652 return UserHandle.myUserId() == UserHandle.USER_SYSTEM; 653 } 654 655 /** 656 * @hide 657 * Returns whether the caller is running as an admin user. There can be more than one admin 658 * user. 659 */ 660 public boolean isAdminUser() { 661 return isUserAdmin(UserHandle.myUserId()); 662 } 663 664 /** 665 * @hide 666 * Returns whether the provided user is an admin user. There can be more than one admin 667 * user. 668 */ 669 public boolean isUserAdmin(int userId) { 670 UserInfo user = getUserInfo(userId); 671 return user != null && user.isAdmin(); 672 } 673 674 /** 675 * Used to check if the user making this call is linked to another user. Linked users may have 676 * a reduced number of available apps, app restrictions and account restrictions. 677 * @return whether the user making this call is a linked user 678 * @hide 679 */ 680 public boolean isLinkedUser() { 681 try { 682 return mService.isRestricted(); 683 } catch (RemoteException re) { 684 Log.w(TAG, "Could not check if user is limited ", re); 685 return false; 686 } 687 } 688 689 /** 690 * Checks if specified user can have restricted profile. 691 * @hide 692 */ 693 public boolean canHaveRestrictedProfile(int userId) { 694 try { 695 return mService.canHaveRestrictedProfile(userId); 696 } catch (RemoteException re) { 697 Log.w(TAG, "Could not check if user can have restricted profile", re); 698 return false; 699 } 700 } 701 702 /** 703 * Checks if the calling app is running as a guest user. 704 * @return whether the caller is a guest user. 705 * @hide 706 */ 707 public boolean isGuestUser() { 708 UserInfo user = getUserInfo(UserHandle.myUserId()); 709 return user != null ? user.isGuest() : false; 710 } 711 712 /** 713 * Checks if the calling app is running in a managed profile. 714 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 715 * 716 * @return whether the caller is in a managed profile. 717 * @hide 718 */ 719 @SystemApi 720 public boolean isManagedProfile() { 721 UserInfo user = getUserInfo(UserHandle.myUserId()); 722 return user != null ? user.isManagedProfile() : false; 723 } 724 725 /** 726 * Return whether the given user is actively running. This means that 727 * the user is in the "started" state, not "stopped" -- it is currently 728 * allowed to run code through scheduled alarms, receiving broadcasts, 729 * etc. A started user may be either the current foreground user or a 730 * background user; the result here does not distinguish between the two. 731 * @param user The user to retrieve the running state for. 732 */ 733 public boolean isUserRunning(UserHandle user) { 734 try { 735 return ActivityManagerNative.getDefault().isUserRunning( 736 user.getIdentifier(), 0); 737 } catch (RemoteException e) { 738 return false; 739 } 740 } 741 742 /** 743 * Return whether the given user is actively running <em>or</em> stopping. 744 * This is like {@link #isUserRunning(UserHandle)}, but will also return 745 * true if the user had been running but is in the process of being stopped 746 * (but is not yet fully stopped, and still running some code). 747 * @param user The user to retrieve the running state for. 748 */ 749 public boolean isUserRunningOrStopping(UserHandle user) { 750 try { 751 // TODO: reconcile stopped vs stopping? 752 return ActivityManagerNative.getDefault().isUserRunning( 753 user.getIdentifier(), ActivityManager.FLAG_OR_STOPPED); 754 } catch (RemoteException e) { 755 return false; 756 } 757 } 758 759 /** 760 * Return whether the given user is running in a "locked" state. A user 761 * is unlocked only after they've entered their credentials (such as a lock 762 * pattern or PIN), and credential-encrypted private app data storage is 763 * available. 764 * 765 * @param user to retrieve the unlocked state for. 766 */ 767 public boolean isUserRunningAndLocked(UserHandle user) { 768 try { 769 return ActivityManagerNative.getDefault().isUserRunning( 770 user.getIdentifier(), ActivityManager.FLAG_AND_LOCKED); 771 } catch (RemoteException e) { 772 return false; 773 } 774 } 775 776 /** 777 * Return whether the given user is running in an "unlocked" state. A user 778 * is unlocked only after they've entered their credentials (such as a lock 779 * pattern or PIN), and credential-encrypted private app data storage is 780 * available. 781 * 782 * @param user to retrieve the unlocked state for. 783 */ 784 public boolean isUserRunningAndUnlocked(UserHandle user) { 785 try { 786 return ActivityManagerNative.getDefault().isUserRunning( 787 user.getIdentifier(), ActivityManager.FLAG_AND_UNLOCKED); 788 } catch (RemoteException e) { 789 return false; 790 } 791 } 792 793 /** 794 * Returns the UserInfo object describing a specific user. 795 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 796 * @param userHandle the user handle of the user whose information is being requested. 797 * @return the UserInfo object for a specific user. 798 * @hide 799 */ 800 public UserInfo getUserInfo(int userHandle) { 801 try { 802 return mService.getUserInfo(userHandle); 803 } catch (RemoteException re) { 804 Log.w(TAG, "Could not get user info", re); 805 return null; 806 } 807 } 808 809 /** 810 * Returns the user-wide restrictions imposed on this user. 811 * @return a Bundle containing all the restrictions. 812 */ 813 public Bundle getUserRestrictions() { 814 return getUserRestrictions(Process.myUserHandle()); 815 } 816 817 /** 818 * Returns the user-wide restrictions imposed on the user specified by <code>userHandle</code>. 819 * @param userHandle the UserHandle of the user for whom to retrieve the restrictions. 820 * @return a Bundle containing all the restrictions. 821 */ 822 public Bundle getUserRestrictions(UserHandle userHandle) { 823 try { 824 return mService.getUserRestrictions(userHandle.getIdentifier()); 825 } catch (RemoteException re) { 826 Log.w(TAG, "Could not get user restrictions", re); 827 return Bundle.EMPTY; 828 } 829 } 830 831 /** 832 * This will no longer work. Device owners and profile owners should use 833 * {@link DevicePolicyManager#addUserRestriction(ComponentName, String)} instead. 834 */ 835 // System apps should use UserManager.setUserRestriction() instead. 836 @Deprecated 837 public void setUserRestrictions(Bundle restrictions) { 838 throw new UnsupportedOperationException("This method is no longer supported"); 839 } 840 841 /** 842 * This will no longer work. Device owners and profile owners should use 843 * {@link DevicePolicyManager#addUserRestriction(ComponentName, String)} instead. 844 */ 845 // System apps should use UserManager.setUserRestriction() instead. 846 @Deprecated 847 public void setUserRestrictions(Bundle restrictions, UserHandle userHandle) { 848 throw new UnsupportedOperationException("This method is no longer supported"); 849 } 850 851 /** 852 * Sets the value of a specific restriction. 853 * Requires the MANAGE_USERS permission. 854 * @param key the key of the restriction 855 * @param value the value for the restriction 856 * @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction( 857 * android.content.ComponentName, String)} or 858 * {@link android.app.admin.DevicePolicyManager#clearUserRestriction( 859 * android.content.ComponentName, String)} instead. 860 */ 861 @Deprecated 862 public void setUserRestriction(String key, boolean value) { 863 setUserRestriction(key, value, Process.myUserHandle()); 864 } 865 866 /** 867 * @hide 868 * Sets the value of a specific restriction on a specific user. 869 * Requires the MANAGE_USERS permission. 870 * @param key the key of the restriction 871 * @param value the value for the restriction 872 * @param userHandle the user whose restriction is to be changed. 873 * @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction( 874 * android.content.ComponentName, String)} or 875 * {@link android.app.admin.DevicePolicyManager#clearUserRestriction( 876 * android.content.ComponentName, String)} instead. 877 */ 878 @Deprecated 879 public void setUserRestriction(String key, boolean value, UserHandle userHandle) { 880 try { 881 mService.setUserRestriction(key, value, userHandle.getIdentifier()); 882 } catch (RemoteException re) { 883 Log.w(TAG, "Could not set user restriction", re); 884 } 885 } 886 887 /** 888 * Returns whether the current user has been disallowed from performing certain actions 889 * or setting certain settings. 890 * 891 * @param restrictionKey The string key representing the restriction. 892 * @return {@code true} if the current user has the given restriction, {@code false} otherwise. 893 */ 894 public boolean hasUserRestriction(String restrictionKey) { 895 return hasUserRestriction(restrictionKey, Process.myUserHandle()); 896 } 897 898 /** 899 * @hide 900 * Returns whether the given user has been disallowed from performing certain actions 901 * or setting certain settings. 902 * @param restrictionKey the string key representing the restriction 903 * @param userHandle the UserHandle of the user for whom to retrieve the restrictions. 904 */ 905 public boolean hasUserRestriction(String restrictionKey, UserHandle userHandle) { 906 try { 907 return mService.hasUserRestriction(restrictionKey, 908 userHandle.getIdentifier()); 909 } catch (RemoteException re) { 910 Log.w(TAG, "Could not check user restrictions", re); 911 return false; 912 } 913 } 914 915 /** 916 * Return the serial number for a user. This is a device-unique 917 * number assigned to that user; if the user is deleted and then a new 918 * user created, the new users will not be given the same serial number. 919 * @param user The user whose serial number is to be retrieved. 920 * @return The serial number of the given user; returns -1 if the 921 * given UserHandle does not exist. 922 * @see #getUserForSerialNumber(long) 923 */ 924 public long getSerialNumberForUser(UserHandle user) { 925 return getUserSerialNumber(user.getIdentifier()); 926 } 927 928 /** 929 * Return the user associated with a serial number previously 930 * returned by {@link #getSerialNumberForUser(UserHandle)}. 931 * @param serialNumber The serial number of the user that is being 932 * retrieved. 933 * @return Return the user associated with the serial number, or null 934 * if there is not one. 935 * @see #getSerialNumberForUser(UserHandle) 936 */ 937 public UserHandle getUserForSerialNumber(long serialNumber) { 938 int ident = getUserHandle((int) serialNumber); 939 return ident >= 0 ? new UserHandle(ident) : null; 940 } 941 942 /** 943 * Creates a user with the specified name and options. For non-admin users, default user 944 * restrictions are going to be applied. 945 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 946 * 947 * @param name the user's name 948 * @param flags flags that identify the type of user and other properties. 949 * @see UserInfo 950 * 951 * @return the UserInfo object for the created user, or null if the user could not be created. 952 * @hide 953 */ 954 public UserInfo createUser(String name, int flags) { 955 UserInfo user = null; 956 try { 957 user = mService.createUser(name, flags); 958 if (user != null && !user.isAdmin()) { 959 mService.setUserRestriction(DISALLOW_SMS, true, user.id); 960 mService.setUserRestriction(DISALLOW_OUTGOING_CALLS, true, user.id); 961 } 962 } catch (RemoteException re) { 963 Log.w(TAG, "Could not create a user", re); 964 } 965 return user; 966 } 967 968 /** 969 * Creates a guest user and configures it. 970 * @param context an application context 971 * @param name the name to set for the user 972 * @hide 973 */ 974 public UserInfo createGuest(Context context, String name) { 975 UserInfo guest = null; 976 try { 977 guest = mService.createUser(name, UserInfo.FLAG_GUEST); 978 if (guest != null) { 979 Settings.Secure.putStringForUser(context.getContentResolver(), 980 Settings.Secure.SKIP_FIRST_USE_HINTS, "1", guest.id); 981 } 982 } catch (RemoteException re) { 983 Log.w(TAG, "Could not create a user", re); 984 } 985 return guest; 986 } 987 988 /** 989 * Creates a user with the specified name and options as a profile of another user. 990 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 991 * 992 * @param name the user's name 993 * @param flags flags that identify the type of user and other properties. 994 * @see UserInfo 995 * @param userHandle new user will be a profile of this use. 996 * 997 * @return the UserInfo object for the created user, or null if the user could not be created. 998 * @hide 999 */ 1000 public UserInfo createProfileForUser(String name, int flags, int userHandle) { 1001 try { 1002 return mService.createProfileForUser(name, flags, userHandle); 1003 } catch (RemoteException re) { 1004 Log.w(TAG, "Could not create a user", re); 1005 return null; 1006 } 1007 } 1008 1009 /** 1010 * Creates a restricted profile with the specified name. This method also sets necessary 1011 * restrictions and adds shared accounts. 1012 * 1013 * @param name profile's name 1014 * @return UserInfo object for the created user, or null if the user could not be created. 1015 * @hide 1016 */ 1017 public UserInfo createRestrictedProfile(String name) { 1018 try { 1019 UserHandle parentUserHandle = Process.myUserHandle(); 1020 UserInfo user = mService.createRestrictedProfile(name, 1021 parentUserHandle.getIdentifier()); 1022 if (user != null) { 1023 AccountManager.get(mContext).addSharedAccountsFromParentUser(parentUserHandle, 1024 UserHandle.of(user.id)); 1025 } 1026 return user; 1027 } catch (RemoteException e) { 1028 Log.w(TAG, "Could not create a restricted profile", e); 1029 } 1030 return null; 1031 } 1032 1033 /** 1034 * @hide 1035 * Marks the guest user for deletion to allow a new guest to be created before deleting 1036 * the current user who is a guest. 1037 * @param userHandle 1038 * @return 1039 */ 1040 public boolean markGuestForDeletion(int userHandle) { 1041 try { 1042 return mService.markGuestForDeletion(userHandle); 1043 } catch (RemoteException re) { 1044 Log.w(TAG, "Could not mark guest for deletion", re); 1045 return false; 1046 } 1047 } 1048 1049 /** 1050 * Sets the user as enabled, if such an user exists. 1051 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1052 * Note that the default is true, it's only that managed profiles might not be enabled. 1053 * 1054 * @param userHandle the id of the profile to enable 1055 * @hide 1056 */ 1057 public void setUserEnabled(int userHandle) { 1058 try { 1059 mService.setUserEnabled(userHandle); 1060 } catch (RemoteException e) { 1061 Log.w(TAG, "Could not enable the profile", e); 1062 } 1063 } 1064 1065 /** 1066 * Return the number of users currently created on the device. 1067 */ 1068 public int getUserCount() { 1069 List<UserInfo> users = getUsers(); 1070 return users != null ? users.size() : 1; 1071 } 1072 1073 /** 1074 * Returns information for all users on this device. 1075 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1076 * @return the list of users that were created. 1077 * @hide 1078 */ 1079 public List<UserInfo> getUsers() { 1080 try { 1081 return mService.getUsers(false); 1082 } catch (RemoteException re) { 1083 Log.w(TAG, "Could not get user list", re); 1084 return null; 1085 } 1086 } 1087 1088 /** 1089 * @return the user's account name, null if not found. 1090 * @hide 1091 */ 1092 @RequiresPermission( allOf = { 1093 Manifest.permission.INTERACT_ACROSS_USERS_FULL, 1094 Manifest.permission.MANAGE_USERS 1095 }) 1096 public @Nullable String getUserAccount(int userHandle) { 1097 try { 1098 return mService.getUserAccount(userHandle); 1099 } catch (RemoteException re) { 1100 Log.w(TAG, "Could not get user account", re); 1101 return null; 1102 } 1103 } 1104 1105 /** 1106 * Set account name for the given user. 1107 * @hide 1108 */ 1109 @RequiresPermission( allOf = { 1110 Manifest.permission.INTERACT_ACROSS_USERS_FULL, 1111 Manifest.permission.MANAGE_USERS 1112 }) 1113 public void setUserAccount(int userHandle, @Nullable String accountName) { 1114 try { 1115 mService.setUserAccount(userHandle, accountName); 1116 } catch (RemoteException re) { 1117 Log.w(TAG, "Could not set user account", re); 1118 } 1119 } 1120 1121 /** 1122 * Returns information for Primary user. 1123 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1124 * 1125 * @return the Primary user, null if not found. 1126 * @hide 1127 */ 1128 public @Nullable UserInfo getPrimaryUser() { 1129 try { 1130 return mService.getPrimaryUser(); 1131 } catch (RemoteException re) { 1132 Log.w(TAG, "Could not get Primary user", re); 1133 return null; 1134 } 1135 } 1136 1137 /** 1138 * Checks whether it's possible to add more users. Caller must hold the MANAGE_USERS 1139 * permission. 1140 * 1141 * @return true if more users can be added, false if limit has been reached. 1142 * @hide 1143 */ 1144 public boolean canAddMoreUsers() { 1145 final List<UserInfo> users = getUsers(true); 1146 final int totalUserCount = users.size(); 1147 int aliveUserCount = 0; 1148 for (int i = 0; i < totalUserCount; i++) { 1149 UserInfo user = users.get(i); 1150 if (!user.isGuest()) { 1151 aliveUserCount++; 1152 } 1153 } 1154 return aliveUserCount < getMaxSupportedUsers(); 1155 } 1156 1157 /** 1158 * Checks whether it's possible to add more managed profiles. Caller must hold the MANAGE_USERS 1159 * permission. 1160 * if allowedToRemoveOne is true and if the user already has a managed profile, then return if 1161 * we could add a new managed profile to this user after removing the existing one. 1162 * 1163 * @return true if more managed profiles can be added, false if limit has been reached. 1164 * @hide 1165 */ 1166 public boolean canAddMoreManagedProfiles(int userId, boolean allowedToRemoveOne) { 1167 try { 1168 return mService.canAddMoreManagedProfiles(userId, allowedToRemoveOne); 1169 } catch (RemoteException re) { 1170 Log.w(TAG, "Could not check if we can add more managed profiles", re); 1171 return false; 1172 } 1173 } 1174 1175 /** 1176 * Returns list of the profiles of userHandle including 1177 * userHandle itself. 1178 * Note that this returns both enabled and not enabled profiles. See 1179 * {@link #getEnabledProfiles(int)} if you need only the enabled ones. 1180 * 1181 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1182 * @param userHandle profiles of this user will be returned. 1183 * @return the list of profiles. 1184 * @hide 1185 */ 1186 public List<UserInfo> getProfiles(int userHandle) { 1187 try { 1188 return mService.getProfiles(userHandle, false /* enabledOnly */); 1189 } catch (RemoteException re) { 1190 Log.w(TAG, "Could not get user list", re); 1191 return null; 1192 } 1193 } 1194 1195 /** 1196 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1197 * @param userId one of the two user ids to check. 1198 * @param otherUserId one of the two user ids to check. 1199 * @return true if the two user ids are in the same profile group. 1200 * @hide 1201 */ 1202 public boolean isSameProfileGroup(int userId, int otherUserId) { 1203 try { 1204 return mService.isSameProfileGroup(userId, otherUserId); 1205 } catch (RemoteException re) { 1206 Log.w(TAG, "Could not get user list", re); 1207 return false; 1208 } 1209 } 1210 1211 /** 1212 * Returns list of the profiles of userHandle including 1213 * userHandle itself. 1214 * Note that this returns only enabled. 1215 * 1216 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1217 * @param userHandle profiles of this user will be returned. 1218 * @return the list of profiles. 1219 * @hide 1220 */ 1221 public List<UserInfo> getEnabledProfiles(int userHandle) { 1222 try { 1223 return mService.getProfiles(userHandle, true /* enabledOnly */); 1224 } catch (RemoteException re) { 1225 Log.w(TAG, "Could not get user list", re); 1226 return null; 1227 } 1228 } 1229 1230 /** 1231 * Returns a list of UserHandles for profiles associated with the user that the calling process 1232 * is running on, including the user itself. 1233 * 1234 * @return A non-empty list of UserHandles associated with the calling user. 1235 */ 1236 public List<UserHandle> getUserProfiles() { 1237 ArrayList<UserHandle> profiles = new ArrayList<UserHandle>(); 1238 List<UserInfo> users; 1239 try { 1240 users = mService.getProfiles(UserHandle.myUserId(), true /* enabledOnly */); 1241 } catch (RemoteException re) { 1242 Log.w(TAG, "Could not get user list", re); 1243 return null; 1244 } 1245 for (UserInfo info : users) { 1246 UserHandle userHandle = new UserHandle(info.id); 1247 profiles.add(userHandle); 1248 } 1249 return profiles; 1250 } 1251 1252 /** 1253 * Returns the device credential owner id of the profile from 1254 * which this method is called, or userHandle if called from a user that 1255 * is not a profile. 1256 * 1257 * @hide 1258 */ 1259 public int getCredentialOwnerProfile(int userHandle) { 1260 try { 1261 return mService.getCredentialOwnerProfile(userHandle); 1262 } catch (RemoteException re) { 1263 Log.w(TAG, "Could not get credential owner", re); 1264 return -1; 1265 } 1266 } 1267 1268 /** 1269 * Returns the parent of the profile which this method is called from 1270 * or null if called from a user that is not a profile. 1271 * 1272 * @hide 1273 */ 1274 public UserInfo getProfileParent(int userHandle) { 1275 try { 1276 return mService.getProfileParent(userHandle); 1277 } catch (RemoteException re) { 1278 Log.w(TAG, "Could not get profile parent", re); 1279 return null; 1280 } 1281 } 1282 1283 /** 1284 * If the target user is a managed profile of the calling user or the caller 1285 * is itself a managed profile, then this returns a badged copy of the given 1286 * icon to be able to distinguish it from the original icon. For badging an 1287 * arbitrary drawable use {@link #getBadgedDrawableForUser( 1288 * android.graphics.drawable.Drawable, UserHandle, android.graphics.Rect, int)}. 1289 * <p> 1290 * If the original drawable is a BitmapDrawable and the backing bitmap is 1291 * mutable as per {@link android.graphics.Bitmap#isMutable()}, the bading 1292 * is performed in place and the original drawable is returned. 1293 * </p> 1294 * 1295 * @param icon The icon to badge. 1296 * @param user The target user. 1297 * @return A drawable that combines the original icon and a badge as 1298 * determined by the system. 1299 * @removed 1300 */ 1301 public Drawable getBadgedIconForUser(Drawable icon, UserHandle user) { 1302 return mContext.getPackageManager().getUserBadgedIcon(icon, user); 1303 } 1304 1305 /** 1306 * If the target user is a managed profile of the calling user or the caller 1307 * is itself a managed profile, then this returns a badged copy of the given 1308 * drawable allowing the user to distinguish it from the original drawable. 1309 * The caller can specify the location in the bounds of the drawable to be 1310 * badged where the badge should be applied as well as the density of the 1311 * badge to be used. 1312 * <p> 1313 * If the original drawable is a BitmapDrawable and the backing bitmap is 1314 * mutable as per {@link android.graphics.Bitmap#isMutable()}, the bading 1315 * is performed in place and the original drawable is returned. 1316 * </p> 1317 * 1318 * @param badgedDrawable The drawable to badge. 1319 * @param user The target user. 1320 * @param badgeLocation Where in the bounds of the badged drawable to place 1321 * the badge. If not provided, the badge is applied on top of the entire 1322 * drawable being badged. 1323 * @param badgeDensity The optional desired density for the badge as per 1324 * {@link android.util.DisplayMetrics#densityDpi}. If not provided, 1325 * the density of the display is used. 1326 * @return A drawable that combines the original drawable and a badge as 1327 * determined by the system. 1328 * @removed 1329 */ 1330 public Drawable getBadgedDrawableForUser(Drawable badgedDrawable, UserHandle user, 1331 Rect badgeLocation, int badgeDensity) { 1332 return mContext.getPackageManager().getUserBadgedDrawableForDensity(badgedDrawable, user, 1333 badgeLocation, badgeDensity); 1334 } 1335 1336 /** 1337 * If the target user is a managed profile of the calling user or the caller 1338 * is itself a managed profile, then this returns a copy of the label with 1339 * badging for accessibility services like talkback. E.g. passing in "Email" 1340 * and it might return "Work Email" for Email in the work profile. 1341 * 1342 * @param label The label to change. 1343 * @param user The target user. 1344 * @return A label that combines the original label and a badge as 1345 * determined by the system. 1346 * @removed 1347 */ 1348 public CharSequence getBadgedLabelForUser(CharSequence label, UserHandle user) { 1349 return mContext.getPackageManager().getUserBadgedLabel(label, user); 1350 } 1351 1352 /** 1353 * Returns information for all users on this device. Requires 1354 * {@link android.Manifest.permission#MANAGE_USERS} permission. 1355 * 1356 * @param excludeDying specify if the list should exclude users being 1357 * removed. 1358 * @return the list of users that were created. 1359 * @hide 1360 */ 1361 public List<UserInfo> getUsers(boolean excludeDying) { 1362 try { 1363 return mService.getUsers(excludeDying); 1364 } catch (RemoteException re) { 1365 Log.w(TAG, "Could not get user list", re); 1366 return null; 1367 } 1368 } 1369 1370 /** 1371 * Removes a user and all associated data. 1372 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1373 * @param userHandle the integer handle of the user, where 0 is the primary user. 1374 * @hide 1375 */ 1376 public boolean removeUser(int userHandle) { 1377 try { 1378 return mService.removeUser(userHandle); 1379 } catch (RemoteException re) { 1380 Log.w(TAG, "Could not remove user ", re); 1381 return false; 1382 } 1383 } 1384 1385 /** 1386 * Updates the user's name. 1387 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1388 * 1389 * @param userHandle the user's integer handle 1390 * @param name the new name for the user 1391 * @hide 1392 */ 1393 public void setUserName(int userHandle, String name) { 1394 try { 1395 mService.setUserName(userHandle, name); 1396 } catch (RemoteException re) { 1397 Log.w(TAG, "Could not set the user name ", re); 1398 } 1399 } 1400 1401 /** 1402 * Sets the user's photo. 1403 * @param userHandle the user for whom to change the photo. 1404 * @param icon the bitmap to set as the photo. 1405 * @hide 1406 */ 1407 public void setUserIcon(int userHandle, Bitmap icon) { 1408 try { 1409 mService.setUserIcon(userHandle, icon); 1410 } catch (RemoteException re) { 1411 Log.w(TAG, "Could not set the user icon ", re); 1412 } 1413 } 1414 1415 /** 1416 * Returns a file descriptor for the user's photo. PNG data can be read from this file. 1417 * @param userHandle the user whose photo we want to read. 1418 * @return a {@link Bitmap} of the user's photo, or null if there's no photo. 1419 * @see com.android.internal.util.UserIcons#getDefaultUserIcon for a default. 1420 * @hide 1421 */ 1422 public Bitmap getUserIcon(int userHandle) { 1423 try { 1424 ParcelFileDescriptor fd = mService.getUserIcon(userHandle); 1425 if (fd != null) { 1426 try { 1427 return BitmapFactory.decodeFileDescriptor(fd.getFileDescriptor()); 1428 } finally { 1429 try { 1430 fd.close(); 1431 } catch (IOException e) { 1432 } 1433 } 1434 } 1435 } catch (RemoteException re) { 1436 Log.w(TAG, "Could not get the user icon ", re); 1437 } 1438 return null; 1439 } 1440 1441 /** 1442 * Returns the maximum number of users that can be created on this device. A return value 1443 * of 1 means that it is a single user device. 1444 * @hide 1445 * @return a value greater than or equal to 1 1446 */ 1447 public static int getMaxSupportedUsers() { 1448 // Don't allow multiple users on certain builds 1449 if (android.os.Build.ID.startsWith("JVP")) return 1; 1450 // Svelte devices don't get multi-user. 1451 if (ActivityManager.isLowRamDeviceStatic()) return 1; 1452 return SystemProperties.getInt("fw.max_users", 1453 Resources.getSystem().getInteger(R.integer.config_multiuserMaximumUsers)); 1454 } 1455 1456 /** 1457 * Returns true if the user switcher should be shown, this will be if device supports multi-user 1458 * and there are at least 2 users available that are not managed profiles. 1459 * @hide 1460 * @return true if user switcher should be shown. 1461 */ 1462 public boolean isUserSwitcherEnabled() { 1463 if (!supportsMultipleUsers()) { 1464 return false; 1465 } 1466 List<UserInfo> users = getUsers(true); 1467 if (users == null) { 1468 return false; 1469 } 1470 int switchableUserCount = 0; 1471 for (UserInfo user : users) { 1472 if (user.supportsSwitchToByUser()) { 1473 ++switchableUserCount; 1474 } 1475 } 1476 final boolean guestEnabled = !mContext.getSystemService(DevicePolicyManager.class) 1477 .getGuestUserDisabled(null); 1478 return switchableUserCount > 1 || guestEnabled; 1479 } 1480 1481 /** 1482 * Returns a serial number on this device for a given userHandle. User handles can be recycled 1483 * when deleting and creating users, but serial numbers are not reused until the device is wiped. 1484 * @param userHandle 1485 * @return a serial number associated with that user, or -1 if the userHandle is not valid. 1486 * @hide 1487 */ 1488 public int getUserSerialNumber(int userHandle) { 1489 try { 1490 return mService.getUserSerialNumber(userHandle); 1491 } catch (RemoteException re) { 1492 Log.w(TAG, "Could not get serial number for user " + userHandle); 1493 } 1494 return -1; 1495 } 1496 1497 /** 1498 * Returns a userHandle on this device for a given user serial number. User handles can be 1499 * recycled when deleting and creating users, but serial numbers are not reused until the device 1500 * is wiped. 1501 * @param userSerialNumber 1502 * @return the userHandle associated with that user serial number, or -1 if the serial number 1503 * is not valid. 1504 * @hide 1505 */ 1506 public int getUserHandle(int userSerialNumber) { 1507 try { 1508 return mService.getUserHandle(userSerialNumber); 1509 } catch (RemoteException re) { 1510 Log.w(TAG, "Could not get userHandle for user " + userSerialNumber); 1511 } 1512 return -1; 1513 } 1514 1515 /** 1516 * Returns a Bundle containing any saved application restrictions for this user, for the 1517 * given package name. Only an application with this package name can call this method. 1518 * @param packageName the package name of the calling application 1519 * @return a Bundle with the restrictions as key/value pairs, or null if there are no 1520 * saved restrictions. The values can be of type Boolean, String or String[], depending 1521 * on the restriction type, as defined by the application. 1522 */ 1523 public Bundle getApplicationRestrictions(String packageName) { 1524 try { 1525 return mService.getApplicationRestrictions(packageName); 1526 } catch (RemoteException re) { 1527 Log.w(TAG, "Could not get application restrictions for package " + packageName); 1528 } 1529 return null; 1530 } 1531 1532 /** 1533 * @hide 1534 */ 1535 public Bundle getApplicationRestrictions(String packageName, UserHandle user) { 1536 try { 1537 return mService.getApplicationRestrictionsForUser(packageName, user.getIdentifier()); 1538 } catch (RemoteException re) { 1539 Log.w(TAG, "Could not get application restrictions for user " + user.getIdentifier()); 1540 } 1541 return null; 1542 } 1543 1544 /** 1545 * @hide 1546 */ 1547 public void setApplicationRestrictions(String packageName, Bundle restrictions, 1548 UserHandle user) { 1549 try { 1550 mService.setApplicationRestrictions(packageName, restrictions, user.getIdentifier()); 1551 } catch (RemoteException re) { 1552 Log.w(TAG, "Could not set application restrictions for user " + user.getIdentifier()); 1553 } 1554 } 1555 1556 /** 1557 * Sets a new challenge PIN for restrictions. This is only for use by pre-installed 1558 * apps and requires the MANAGE_USERS permission. 1559 * @param newPin the PIN to use for challenge dialogs. 1560 * @return Returns true if the challenge PIN was set successfully. 1561 * @deprecated The restrictions PIN functionality is no longer provided by the system. 1562 * This method is preserved for backwards compatibility reasons and always returns false. 1563 */ 1564 public boolean setRestrictionsChallenge(String newPin) { 1565 return false; 1566 } 1567 1568 /** 1569 * @hide 1570 * Set restrictions that should apply to any future guest user that's created. 1571 */ 1572 public void setDefaultGuestRestrictions(Bundle restrictions) { 1573 try { 1574 mService.setDefaultGuestRestrictions(restrictions); 1575 } catch (RemoteException re) { 1576 Log.w(TAG, "Could not set guest restrictions"); 1577 } 1578 } 1579 1580 /** 1581 * @hide 1582 * Gets the default guest restrictions. 1583 */ 1584 public Bundle getDefaultGuestRestrictions() { 1585 try { 1586 return mService.getDefaultGuestRestrictions(); 1587 } catch (RemoteException re) { 1588 Log.w(TAG, "Could not set guest restrictions"); 1589 } 1590 return new Bundle(); 1591 } 1592 1593 /** 1594 * Returns creation time of the user or of a managed profile associated with the calling user. 1595 * @param userHandle user handle of the user or a managed profile associated with the 1596 * calling user. 1597 * @return creation time in milliseconds since Epoch time. 1598 */ 1599 public long getUserCreationTime(UserHandle userHandle) { 1600 try { 1601 return mService.getUserCreationTime(userHandle.getIdentifier()); 1602 } catch (RemoteException re) { 1603 Log.w(TAG, "Could not get user creation time", re); 1604 return 0; 1605 } 1606 } 1607} 1608