UserManager.java revision 462ac3a2aa5e1c974d056dc7221805e2b8ac7823
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.annotation.SystemApi; 19import android.app.ActivityManager; 20import android.app.ActivityManagerNative; 21import android.content.Context; 22import android.content.pm.UserInfo; 23import android.content.res.Resources; 24import android.graphics.Bitmap; 25import android.graphics.BitmapFactory; 26import android.graphics.Rect; 27import android.graphics.drawable.Drawable; 28import android.provider.Settings; 29import android.util.Log; 30import android.view.WindowManager.LayoutParams; 31 32import com.android.internal.R; 33 34import java.io.IOException; 35import java.util.ArrayList; 36import java.util.List; 37 38/** 39 * Manages users and user details on a multi-user system. 40 */ 41public class UserManager { 42 43 private static String TAG = "UserManager"; 44 private final IUserManager mService; 45 private final Context mContext; 46 47 /** 48 * Specifies if a user is disallowed from adding and removing accounts. 49 * The default value is <code>false</code>. 50 * 51 * <p/>Key for user restrictions. 52 * <p/>Type: Boolean 53 * @see #setUserRestrictions(Bundle) 54 * @see #getUserRestrictions() 55 */ 56 public static final String DISALLOW_MODIFY_ACCOUNTS = "no_modify_accounts"; 57 58 /** 59 * Specifies if a user is disallowed from changing Wi-Fi 60 * access points. The default value is <code>false</code>. 61 * <p/>This restriction has no effect in a managed profile. 62 * 63 * <p/>Key for user restrictions. 64 * <p/>Type: Boolean 65 * @see #setUserRestrictions(Bundle) 66 * @see #getUserRestrictions() 67 */ 68 public static final String DISALLOW_CONFIG_WIFI = "no_config_wifi"; 69 70 /** 71 * Specifies if a user is disallowed from installing applications. 72 * The default value is <code>false</code>. 73 * 74 * <p/>Key for user restrictions. 75 * <p/>Type: Boolean 76 * @see #setUserRestrictions(Bundle) 77 * @see #getUserRestrictions() 78 */ 79 public static final String DISALLOW_INSTALL_APPS = "no_install_apps"; 80 81 /** 82 * Specifies if a user is disallowed from uninstalling applications. 83 * The default value is <code>false</code>. 84 * 85 * <p/>Key for user restrictions. 86 * <p/>Type: Boolean 87 * @see #setUserRestrictions(Bundle) 88 * @see #getUserRestrictions() 89 */ 90 public static final String DISALLOW_UNINSTALL_APPS = "no_uninstall_apps"; 91 92 /** 93 * Specifies if a user is disallowed from turning on location sharing. 94 * The default value is <code>false</code>. 95 * <p/>In a managed profile, location sharing always reflects the primary user's setting, but 96 * can be overridden and forced off by setting this restriction to true in the managed profile. 97 * 98 * <p/>Key for user restrictions. 99 * <p/>Type: Boolean 100 * @see #setUserRestrictions(Bundle) 101 * @see #getUserRestrictions() 102 */ 103 public static final String DISALLOW_SHARE_LOCATION = "no_share_location"; 104 105 /** 106 * Specifies if a user is disallowed from enabling the 107 * "Unknown Sources" setting, that allows installation of apps from unknown sources. 108 * The default value is <code>false</code>. 109 * 110 * <p/>Key for user restrictions. 111 * <p/>Type: Boolean 112 * @see #setUserRestrictions(Bundle) 113 * @see #getUserRestrictions() 114 */ 115 public static final String DISALLOW_INSTALL_UNKNOWN_SOURCES = "no_install_unknown_sources"; 116 117 /** 118 * Specifies if a user is disallowed from configuring bluetooth. 119 * This does <em>not</em> restrict the user from turning bluetooth on or off. 120 * The default value is <code>false</code>. 121 * <p/>This restriction has no effect in a managed profile. 122 * 123 * <p/>Key for user restrictions. 124 * <p/>Type: Boolean 125 * @see #setUserRestrictions(Bundle) 126 * @see #getUserRestrictions() 127 */ 128 public static final String DISALLOW_CONFIG_BLUETOOTH = "no_config_bluetooth"; 129 130 /** 131 * Specifies if a user is disallowed from transferring files over 132 * USB. This can only be set by device owners and profile owners on the primary user. 133 * The default value is <code>false</code>. 134 * 135 * <p/>Key for user restrictions. 136 * <p/>Type: Boolean 137 * @see #setUserRestrictions(Bundle) 138 * @see #getUserRestrictions() 139 */ 140 public static final String DISALLOW_USB_FILE_TRANSFER = "no_usb_file_transfer"; 141 142 /** 143 * Specifies if a user is disallowed from configuring user 144 * credentials. The default value is <code>false</code>. 145 * 146 * <p/>Key for user restrictions. 147 * <p/>Type: Boolean 148 * @see #setUserRestrictions(Bundle) 149 * @see #getUserRestrictions() 150 */ 151 public static final String DISALLOW_CONFIG_CREDENTIALS = "no_config_credentials"; 152 153 /** 154 * When set on the primary user this specifies if the user can remove other users. 155 * When set on a secondary user, this specifies if the user can remove itself. 156 * This restriction has no effect on managed profiles. 157 * The default value is <code>false</code>. 158 * 159 * <p/>Key for user restrictions. 160 * <p/>Type: Boolean 161 * @see #setUserRestrictions(Bundle) 162 * @see #getUserRestrictions() 163 */ 164 public static final String DISALLOW_REMOVE_USER = "no_remove_user"; 165 166 /** 167 * Specifies if a user is disallowed from enabling or 168 * accessing debugging features. The default value is <code>false</code>. 169 * 170 * <p/>Key for user restrictions. 171 * <p/>Type: Boolean 172 * @see #setUserRestrictions(Bundle) 173 * @see #getUserRestrictions() 174 */ 175 public static final String DISALLOW_DEBUGGING_FEATURES = "no_debugging_features"; 176 177 /** 178 * Specifies if a user is disallowed from configuring VPN. 179 * The default value is <code>false</code>. 180 * This restriction has an effect in a managed profile only from 181 * {@link android.os.Build.VERSION_CODES#MNC} 182 * 183 * <p/>Key for user restrictions. 184 * <p/>Type: Boolean 185 * @see #setUserRestrictions(Bundle) 186 * @see #getUserRestrictions() 187 */ 188 public static final String DISALLOW_CONFIG_VPN = "no_config_vpn"; 189 190 /** 191 * Specifies if a user is disallowed from configuring Tethering 192 * & portable hotspots. This can only be set by device owners and profile owners on the 193 * primary user. The default value is <code>false</code>. 194 * 195 * <p/>Key for user restrictions. 196 * <p/>Type: Boolean 197 * @see #setUserRestrictions(Bundle) 198 * @see #getUserRestrictions() 199 */ 200 public static final String DISALLOW_CONFIG_TETHERING = "no_config_tethering"; 201 202 /** 203 * Specifies if a user is disallowed from resetting network settings 204 * from Settings. This can only be set by device owners and profile owners on the primary user. 205 * The default value is <code>false</code>. 206 * <p/>This restriction has no effect on secondary users and managed profiles since only the 207 * primary user can reset the network settings of the device. 208 * 209 * <p/>Key for user restrictions. 210 * <p/>Type: Boolean 211 * @see #setUserRestrictions(Bundle) 212 * @see #getUserRestrictions() 213 */ 214 public static final String DISALLOW_NETWORK_RESET = "no_network_reset"; 215 216 /** 217 * Specifies if a user is disallowed from factory resetting 218 * from Settings. This can only be set by device owners and profile owners on the primary user. 219 * The default value is <code>false</code>. 220 * <p/>This restriction has no effect on secondary users and managed profiles since only the 221 * primary user can factory reset the device. 222 * 223 * <p/>Key for user restrictions. 224 * <p/>Type: Boolean 225 * @see #setUserRestrictions(Bundle) 226 * @see #getUserRestrictions() 227 */ 228 public static final String DISALLOW_FACTORY_RESET = "no_factory_reset"; 229 230 /** 231 * Specifies if a user is disallowed from adding new users and 232 * profiles. This can only be set by device owners and profile owners on the primary user. 233 * The default value is <code>false</code>. 234 * <p/>This restriction has no effect on secondary users and managed profiles since only the 235 * primary user can add other users. 236 * 237 * <p/>Key for user restrictions. 238 * <p/>Type: Boolean 239 * @see #setUserRestrictions(Bundle) 240 * @see #getUserRestrictions() 241 */ 242 public static final String DISALLOW_ADD_USER = "no_add_user"; 243 244 /** 245 * Specifies if a user is disallowed from disabling application 246 * verification. The default value is <code>false</code>. 247 * 248 * <p/>Key for user restrictions. 249 * <p/>Type: Boolean 250 * @see #setUserRestrictions(Bundle) 251 * @see #getUserRestrictions() 252 */ 253 public static final String ENSURE_VERIFY_APPS = "ensure_verify_apps"; 254 255 /** 256 * Specifies if a user is disallowed from configuring cell 257 * broadcasts. This can only be set by device owners and profile owners on the primary user. 258 * The default value is <code>false</code>. 259 * <p/>This restriction has no effect on secondary users and managed profiles since only the 260 * primary user can configure cell broadcasts. 261 * 262 * <p/>Key for user restrictions. 263 * <p/>Type: Boolean 264 * @see #setUserRestrictions(Bundle) 265 * @see #getUserRestrictions() 266 */ 267 public static final String DISALLOW_CONFIG_CELL_BROADCASTS = "no_config_cell_broadcasts"; 268 269 /** 270 * Specifies if a user is disallowed from configuring mobile 271 * networks. This can only be set by device owners and profile owners on the primary user. 272 * The default value is <code>false</code>. 273 * <p/>This restriction has no effect on secondary users and managed profiles since only the 274 * primary user can configure mobile networks. 275 * 276 * <p/>Key for user restrictions. 277 * <p/>Type: Boolean 278 * @see #setUserRestrictions(Bundle) 279 * @see #getUserRestrictions() 280 */ 281 public static final String DISALLOW_CONFIG_MOBILE_NETWORKS = "no_config_mobile_networks"; 282 283 /** 284 * Specifies if a user is disallowed from modifying 285 * applications in Settings or launchers. The following actions will not be allowed when this 286 * restriction is enabled: 287 * <li>uninstalling apps</li> 288 * <li>disabling apps</li> 289 * <li>clearing app caches</li> 290 * <li>clearing app data</li> 291 * <li>force stopping apps</li> 292 * <li>clearing app defaults</li> 293 * <p> 294 * The default value is <code>false</code>. 295 * 296 * <p/>Key for user restrictions. 297 * <p/>Type: Boolean 298 * @see #setUserRestrictions(Bundle) 299 * @see #getUserRestrictions() 300 */ 301 public static final String DISALLOW_APPS_CONTROL = "no_control_apps"; 302 303 /** 304 * Specifies if a user is disallowed from mounting 305 * physical external media. This can only be set by device owners and profile owners on the 306 * primary user. The default value is <code>false</code>. 307 * 308 * <p/>Key for user restrictions. 309 * <p/>Type: Boolean 310 * @see #setUserRestrictions(Bundle) 311 * @see #getUserRestrictions() 312 */ 313 public static final String DISALLOW_MOUNT_PHYSICAL_MEDIA = "no_physical_media"; 314 315 /** 316 * Specifies if a user is disallowed from adjusting microphone 317 * volume. If set, the microphone will be muted. This can only be set by device owners 318 * and profile owners on the primary user. The default value is <code>false</code>. 319 * 320 * <p/>Key for user restrictions. 321 * <p/>Type: Boolean 322 * @see #setUserRestrictions(Bundle) 323 * @see #getUserRestrictions() 324 */ 325 public static final String DISALLOW_UNMUTE_MICROPHONE = "no_unmute_microphone"; 326 327 /** 328 * Specifies if a user is disallowed from adjusting the master 329 * volume. If set, the master volume will be muted. This can only be set by device owners 330 * and profile owners on the primary user. The default value is <code>false</code>. 331 * 332 * <p/>Key for user restrictions. 333 * <p/>Type: Boolean 334 * @see #setUserRestrictions(Bundle) 335 * @see #getUserRestrictions() 336 */ 337 public static final String DISALLOW_ADJUST_VOLUME = "no_adjust_volume"; 338 339 /** 340 * Specifies that the user is not allowed to make outgoing 341 * phone calls. Emergency calls are still permitted. 342 * The default value is <code>false</code>. 343 * <p/>This restriction has no effect on managed profiles since call intents are normally 344 * forwarded to the primary user. 345 * 346 * <p/>Key for user restrictions. 347 * <p/>Type: Boolean 348 * @see #setUserRestrictions(Bundle) 349 * @see #getUserRestrictions() 350 */ 351 public static final String DISALLOW_OUTGOING_CALLS = "no_outgoing_calls"; 352 353 /** 354 * Specifies that the user is not allowed to send or receive 355 * SMS messages. The default value is <code>false</code>. 356 * 357 * <p/>Key for user restrictions. 358 * <p/>Type: Boolean 359 * @see #setUserRestrictions(Bundle) 360 * @see #getUserRestrictions() 361 */ 362 public static final String DISALLOW_SMS = "no_sms"; 363 364 /** 365 * Specifies if the user is not allowed to have fun. In some cases, the 366 * device owner may wish to prevent the user from experiencing amusement or 367 * joy while using the device. The default value is <code>false</code>. 368 * 369 * <p/>Key for user restrictions. 370 * <p/>Type: Boolean 371 * @see #setUserRestrictions(Bundle) 372 * @see #getUserRestrictions() 373 */ 374 public static final String DISALLOW_FUN = "no_fun"; 375 376 /** 377 * Specifies that windows besides app windows should not be 378 * created. This will block the creation of the following types of windows. 379 * <li>{@link LayoutParams#TYPE_TOAST}</li> 380 * <li>{@link LayoutParams#TYPE_PHONE}</li> 381 * <li>{@link LayoutParams#TYPE_PRIORITY_PHONE}</li> 382 * <li>{@link LayoutParams#TYPE_SYSTEM_ALERT}</li> 383 * <li>{@link LayoutParams#TYPE_SYSTEM_ERROR}</li> 384 * <li>{@link LayoutParams#TYPE_SYSTEM_OVERLAY}</li> 385 * 386 * <p>This can only be set by device owners and profile owners on the primary user. 387 * The default value is <code>false</code>. 388 * 389 * <p/>Key for user restrictions. 390 * <p/>Type: Boolean 391 * @see #setUserRestrictions(Bundle) 392 * @see #getUserRestrictions() 393 */ 394 public static final String DISALLOW_CREATE_WINDOWS = "no_create_windows"; 395 396 /** 397 * Specifies if what is copied in the clipboard of this profile can 398 * be pasted in related profiles. Does not restrict if the clipboard of related profiles can be 399 * pasted in this profile. 400 * The default value is <code>false</code>. 401 * 402 * <p/>Key for user restrictions. 403 * <p/>Type: Boolean 404 * @see #setUserRestrictions(Bundle) 405 * @see #getUserRestrictions() 406 */ 407 public static final String DISALLOW_CROSS_PROFILE_COPY_PASTE = "no_cross_profile_copy_paste"; 408 409 /** 410 * Specifies if the user is not allowed to use NFC to beam out data from apps. 411 * The default value is <code>false</code>. 412 * 413 * <p/>Key for user restrictions. 414 * <p/>Type: Boolean 415 * @see #setUserRestrictions(Bundle) 416 * @see #getUserRestrictions() 417 */ 418 public static final String DISALLOW_OUTGOING_BEAM = "no_outgoing_beam"; 419 420 /** 421 * Hidden user restriction to disallow access to wallpaper manager APIs. This user restriction 422 * is always set for managed profiles. 423 * @hide 424 * @see #setUserRestrictions(Bundle) 425 * @see #getUserRestrictions() 426 */ 427 public static final String DISALLOW_WALLPAPER = "no_wallpaper"; 428 429 /** 430 * Specifies if the user is not allowed to reboot the device into safe boot mode. 431 * This can only be set by device owners and profile owners on the primary user. 432 * The default value is <code>false</code>. 433 * 434 * <p/>Key for user restrictions. 435 * <p/>Type: Boolean 436 * @see #setUserRestrictions(Bundle) 437 * @see #getUserRestrictions() 438 */ 439 public static final String DISALLOW_SAFE_BOOT = "no_safe_boot"; 440 441 /** 442 * Specifies if a user is not allowed to record audio. This restriction is always enabled for 443 * background users. The default value is <code>false</code>. 444 * 445 * @see #setUserRestrictions(Bundle) 446 * @see #getUserRestrictions() 447 * @hide 448 */ 449 public static final String DISALLOW_RECORD_AUDIO = "no_record_audio"; 450 451 /** 452 * Allows apps in the parent profile to handle web links from the managed profile. 453 * 454 * This user restriction has an effect only in a managed profile. 455 * If set: 456 * Intent filters of activities in the parent profile with action 457 * {@link android.content.Intent#ACTION_VIEW}, 458 * category {@link android.content.Intent#CATEGORY_BROWSABLE}, scheme http or https, and which 459 * define a host can handle intents from the managed profile. 460 * The default value is <code>false</code>. 461 * 462 * <p/>Key for user restrictions. 463 * <p/>Type: Boolean 464 * @see #setUserRestrictions(Bundle) 465 * @see #getUserRestrictions() 466 */ 467 public static final String ALLOW_PARENT_PROFILE_APP_LINKING 468 = "allow_parent_profile_app_linking"; 469 470 /** 471 * Application restriction key that is used to indicate the pending arrival 472 * of real restrictions for the app. 473 * 474 * <p> 475 * Applications that support restrictions should check for the presence of this key. 476 * A <code>true</code> value indicates that restrictions may be applied in the near 477 * future but are not available yet. It is the responsibility of any 478 * management application that sets this flag to update it when the final 479 * restrictions are enforced. 480 * 481 * <p/>Key for application restrictions. 482 * <p/>Type: Boolean 483 * @see android.app.admin.DevicePolicyManager#setApplicationRestrictions( 484 * android.content.ComponentName, String, Bundle) 485 * @see android.app.admin.DevicePolicyManager#getApplicationRestrictions( 486 * android.content.ComponentName, String) 487 */ 488 public static final String KEY_RESTRICTIONS_PENDING = "restrictions_pending"; 489 490 /** @hide */ 491 public static final int PIN_VERIFICATION_FAILED_INCORRECT = -3; 492 /** @hide */ 493 public static final int PIN_VERIFICATION_FAILED_NOT_SET = -2; 494 /** @hide */ 495 public static final int PIN_VERIFICATION_SUCCESS = -1; 496 497 private static UserManager sInstance = null; 498 499 /** @hide */ 500 public synchronized static UserManager get(Context context) { 501 if (sInstance == null) { 502 sInstance = (UserManager) context.getSystemService(Context.USER_SERVICE); 503 } 504 return sInstance; 505 } 506 507 /** @hide */ 508 public UserManager(Context context, IUserManager service) { 509 mService = service; 510 mContext = context; 511 } 512 513 /** 514 * Returns whether the system supports multiple users. 515 * @return true if multiple users can be created by user, false if it is a single user device. 516 * @hide 517 */ 518 public static boolean supportsMultipleUsers() { 519 return getMaxSupportedUsers() > 1 520 && SystemProperties.getBoolean("fw.show_multiuserui", 521 Resources.getSystem().getBoolean(R.bool.config_enableMultiUserUI)); 522 } 523 524 /** 525 * Returns the user handle for the user that this process is running under. 526 * 527 * @return the user handle of this process. 528 * @hide 529 */ 530 public int getUserHandle() { 531 return UserHandle.myUserId(); 532 } 533 534 /** 535 * Returns the user name of the user making this call. This call is only 536 * available to applications on the system image; it requires the 537 * MANAGE_USERS permission. 538 * @return the user name 539 */ 540 public String getUserName() { 541 try { 542 return mService.getUserInfo(getUserHandle()).name; 543 } catch (RemoteException re) { 544 Log.w(TAG, "Could not get user name", re); 545 return ""; 546 } 547 } 548 549 /** 550 * Used to determine whether the user making this call is subject to 551 * teleportations. 552 * 553 * <p>As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method can 554 * now automatically identify goats using advanced goat recognition technology.</p> 555 * 556 * @return Returns true if the user making this call is a goat. 557 */ 558 public boolean isUserAGoat() { 559 return mContext.getPackageManager() 560 .isPackageAvailable("com.coffeestainstudios.goatsimulator"); 561 } 562 563 /** 564 * Used to check if this process is running under the system user. The system user 565 * is the initial user that is implicitly created on first boot and hosts most of the 566 * system services. 567 * 568 * @return whether this process is running under the system user. 569 */ 570 public boolean isSystemUser() { 571 return UserHandle.myUserId() == UserHandle.USER_OWNER; 572 } 573 574 /** 575 * @hide 576 * Returns whether the caller is running as an admin user. There can be more than one admin 577 * user. 578 */ 579 public boolean isAdminUser() { 580 UserInfo user = getUserInfo(UserHandle.myUserId()); 581 return user != null ? user.isAdmin() : false; 582 } 583 584 /** 585 * Used to check if the user making this call is linked to another user. Linked users may have 586 * a reduced number of available apps, app restrictions and account restrictions. 587 * @return whether the user making this call is a linked user 588 * @hide 589 */ 590 public boolean isLinkedUser() { 591 try { 592 return mService.isRestricted(); 593 } catch (RemoteException re) { 594 Log.w(TAG, "Could not check if user is limited ", re); 595 return false; 596 } 597 } 598 599 /** 600 * Checks if the calling app is running as a guest user. 601 * @return whether the caller is a guest user. 602 * @hide 603 */ 604 public boolean isGuestUser() { 605 UserInfo user = getUserInfo(UserHandle.myUserId()); 606 return user != null ? user.isGuest() : false; 607 } 608 609 /** 610 * Checks if the calling app is running in a managed profile. 611 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 612 * 613 * @return whether the caller is in a managed profile. 614 * @hide 615 */ 616 @SystemApi 617 public boolean isManagedProfile() { 618 UserInfo user = getUserInfo(UserHandle.myUserId()); 619 return user != null ? user.isManagedProfile() : false; 620 } 621 622 /** 623 * Return whether the given user is actively running. This means that 624 * the user is in the "started" state, not "stopped" -- it is currently 625 * allowed to run code through scheduled alarms, receiving broadcasts, 626 * etc. A started user may be either the current foreground user or a 627 * background user; the result here does not distinguish between the two. 628 * @param user The user to retrieve the running state for. 629 */ 630 public boolean isUserRunning(UserHandle user) { 631 try { 632 return ActivityManagerNative.getDefault().isUserRunning( 633 user.getIdentifier(), false); 634 } catch (RemoteException e) { 635 return false; 636 } 637 } 638 639 /** 640 * Return whether the given user is actively running <em>or</em> stopping. 641 * This is like {@link #isUserRunning(UserHandle)}, but will also return 642 * true if the user had been running but is in the process of being stopped 643 * (but is not yet fully stopped, and still running some code). 644 * @param user The user to retrieve the running state for. 645 */ 646 public boolean isUserRunningOrStopping(UserHandle user) { 647 try { 648 return ActivityManagerNative.getDefault().isUserRunning( 649 user.getIdentifier(), true); 650 } catch (RemoteException e) { 651 return false; 652 } 653 } 654 655 /** 656 * Returns the UserInfo object describing a specific user. 657 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 658 * @param userHandle the user handle of the user whose information is being requested. 659 * @return the UserInfo object for a specific user. 660 * @hide 661 */ 662 public UserInfo getUserInfo(int userHandle) { 663 try { 664 return mService.getUserInfo(userHandle); 665 } catch (RemoteException re) { 666 Log.w(TAG, "Could not get user info", re); 667 return null; 668 } 669 } 670 671 /** 672 * Returns the user-wide restrictions imposed on this user. 673 * @return a Bundle containing all the restrictions. 674 */ 675 public Bundle getUserRestrictions() { 676 return getUserRestrictions(Process.myUserHandle()); 677 } 678 679 /** 680 * Returns the user-wide restrictions imposed on the user specified by <code>userHandle</code>. 681 * @param userHandle the UserHandle of the user for whom to retrieve the restrictions. 682 * @return a Bundle containing all the restrictions. 683 */ 684 public Bundle getUserRestrictions(UserHandle userHandle) { 685 try { 686 return mService.getUserRestrictions(userHandle.getIdentifier()); 687 } catch (RemoteException re) { 688 Log.w(TAG, "Could not get user restrictions", re); 689 return Bundle.EMPTY; 690 } 691 } 692 693 /** 694 * Sets all the user-wide restrictions for this user. 695 * Requires the MANAGE_USERS permission. 696 * @param restrictions the Bundle containing all the restrictions. 697 * @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction( 698 * android.content.ComponentName, String)} or 699 * {@link android.app.admin.DevicePolicyManager#clearUserRestriction( 700 * android.content.ComponentName, String)} instead. 701 */ 702 @Deprecated 703 public void setUserRestrictions(Bundle restrictions) { 704 setUserRestrictions(restrictions, Process.myUserHandle()); 705 } 706 707 /** 708 * Sets all the user-wide restrictions for the specified user. 709 * Requires the MANAGE_USERS permission. 710 * @param restrictions the Bundle containing all the restrictions. 711 * @param userHandle the UserHandle of the user for whom to set the restrictions. 712 * @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction( 713 * android.content.ComponentName, String)} or 714 * {@link android.app.admin.DevicePolicyManager#clearUserRestriction( 715 * android.content.ComponentName, String)} instead. 716 */ 717 @Deprecated 718 public void setUserRestrictions(Bundle restrictions, UserHandle userHandle) { 719 try { 720 mService.setUserRestrictions(restrictions, userHandle.getIdentifier()); 721 } catch (RemoteException re) { 722 Log.w(TAG, "Could not set user restrictions", re); 723 } 724 } 725 726 /** 727 * Sets the value of a specific restriction. 728 * Requires the MANAGE_USERS permission. 729 * @param key the key of the restriction 730 * @param value the value for the restriction 731 * @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction( 732 * android.content.ComponentName, String)} or 733 * {@link android.app.admin.DevicePolicyManager#clearUserRestriction( 734 * android.content.ComponentName, String)} instead. 735 */ 736 @Deprecated 737 public void setUserRestriction(String key, boolean value) { 738 Bundle bundle = getUserRestrictions(); 739 bundle.putBoolean(key, value); 740 setUserRestrictions(bundle); 741 } 742 743 /** 744 * @hide 745 * Sets the value of a specific restriction on a specific user. 746 * Requires the MANAGE_USERS permission. 747 * @param key the key of the restriction 748 * @param value the value for the restriction 749 * @param userHandle the user whose restriction is to be changed. 750 * @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction( 751 * android.content.ComponentName, String)} or 752 * {@link android.app.admin.DevicePolicyManager#clearUserRestriction( 753 * android.content.ComponentName, String)} instead. 754 */ 755 @Deprecated 756 public void setUserRestriction(String key, boolean value, UserHandle userHandle) { 757 try { 758 mService.setUserRestriction(key, value, userHandle.getIdentifier()); 759 } catch (RemoteException re) { 760 Log.w(TAG, "Could not set user restriction", re); 761 } 762 } 763 764 /** 765 * Returns whether the current user has been disallowed from performing certain actions 766 * or setting certain settings. 767 * 768 * @param restrictionKey The string key representing the restriction. 769 * @return {@code true} if the current user has the given restriction, {@code false} otherwise. 770 */ 771 public boolean hasUserRestriction(String restrictionKey) { 772 return hasUserRestriction(restrictionKey, Process.myUserHandle()); 773 } 774 775 /** 776 * @hide 777 * Returns whether the given user has been disallowed from performing certain actions 778 * or setting certain settings. 779 * @param restrictionKey the string key representing the restriction 780 * @param userHandle the UserHandle of the user for whom to retrieve the restrictions. 781 */ 782 public boolean hasUserRestriction(String restrictionKey, UserHandle userHandle) { 783 try { 784 return mService.hasUserRestriction(restrictionKey, 785 userHandle.getIdentifier()); 786 } catch (RemoteException re) { 787 Log.w(TAG, "Could not check user restrictions", re); 788 return false; 789 } 790 } 791 792 /** 793 * Return the serial number for a user. This is a device-unique 794 * number assigned to that user; if the user is deleted and then a new 795 * user created, the new users will not be given the same serial number. 796 * @param user The user whose serial number is to be retrieved. 797 * @return The serial number of the given user; returns -1 if the 798 * given UserHandle does not exist. 799 * @see #getUserForSerialNumber(long) 800 */ 801 public long getSerialNumberForUser(UserHandle user) { 802 return getUserSerialNumber(user.getIdentifier()); 803 } 804 805 /** 806 * Return the user associated with a serial number previously 807 * returned by {@link #getSerialNumberForUser(UserHandle)}. 808 * @param serialNumber The serial number of the user that is being 809 * retrieved. 810 * @return Return the user associated with the serial number, or null 811 * if there is not one. 812 * @see #getSerialNumberForUser(UserHandle) 813 */ 814 public UserHandle getUserForSerialNumber(long serialNumber) { 815 int ident = getUserHandle((int) serialNumber); 816 return ident >= 0 ? new UserHandle(ident) : null; 817 } 818 819 /** 820 * Creates a user with the specified name and options. 821 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 822 * 823 * @param name the user's name 824 * @param flags flags that identify the type of user and other properties. 825 * @see UserInfo 826 * 827 * @return the UserInfo object for the created user, or null if the user could not be created. 828 * @hide 829 */ 830 public UserInfo createUser(String name, int flags) { 831 try { 832 return mService.createUser(name, flags); 833 } catch (RemoteException re) { 834 Log.w(TAG, "Could not create a user", re); 835 return null; 836 } 837 } 838 839 /** 840 * Creates a guest user and configures it. 841 * @param context an application context 842 * @param name the name to set for the user 843 * @hide 844 */ 845 public UserInfo createGuest(Context context, String name) { 846 UserInfo guest = createUser(name, UserInfo.FLAG_GUEST); 847 if (guest != null) { 848 Settings.Secure.putStringForUser(context.getContentResolver(), 849 Settings.Secure.SKIP_FIRST_USE_HINTS, "1", guest.id); 850 try { 851 Bundle guestRestrictions = mService.getDefaultGuestRestrictions(); 852 guestRestrictions.putBoolean(DISALLOW_SMS, true); 853 guestRestrictions.putBoolean(DISALLOW_INSTALL_UNKNOWN_SOURCES, true); 854 mService.setUserRestrictions(guestRestrictions, guest.id); 855 } catch (RemoteException re) { 856 Log.w(TAG, "Could not update guest restrictions"); 857 } 858 } 859 return guest; 860 } 861 862 /** 863 * Creates a secondary user with the specified name and options and configures it with default 864 * restrictions. 865 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 866 * 867 * @param name the user's name 868 * @param flags flags that identify the type of user and other properties. 869 * @see UserInfo 870 * 871 * @return the UserInfo object for the created user, or null if the user could not be created. 872 * @hide 873 */ 874 public UserInfo createSecondaryUser(String name, int flags) { 875 try { 876 UserInfo user = mService.createUser(name, flags); 877 if (user == null) { 878 return null; 879 } 880 Bundle userRestrictions = mService.getUserRestrictions(user.id); 881 addDefaultUserRestrictions(userRestrictions); 882 mService.setUserRestrictions(userRestrictions, user.id); 883 return user; 884 } catch (RemoteException re) { 885 Log.w(TAG, "Could not create a user", re); 886 return null; 887 } 888 } 889 890 private static void addDefaultUserRestrictions(Bundle restrictions) { 891 restrictions.putBoolean(DISALLOW_OUTGOING_CALLS, true); 892 restrictions.putBoolean(DISALLOW_SMS, true); 893 } 894 895 /** 896 * Creates a user with the specified name and options as a profile of another user. 897 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 898 * 899 * @param name the user's name 900 * @param flags flags that identify the type of user and other properties. 901 * @see UserInfo 902 * @param userHandle new user will be a profile of this use. 903 * 904 * @return the UserInfo object for the created user, or null if the user could not be created. 905 * @hide 906 */ 907 public UserInfo createProfileForUser(String name, int flags, int userHandle) { 908 try { 909 return mService.createProfileForUser(name, flags, userHandle); 910 } catch (RemoteException re) { 911 Log.w(TAG, "Could not create a user", re); 912 return null; 913 } 914 } 915 916 /** 917 * @hide 918 * Marks the guest user for deletion to allow a new guest to be created before deleting 919 * the current user who is a guest. 920 * @param userHandle 921 * @return 922 */ 923 public boolean markGuestForDeletion(int userHandle) { 924 try { 925 return mService.markGuestForDeletion(userHandle); 926 } catch (RemoteException re) { 927 Log.w(TAG, "Could not mark guest for deletion", re); 928 return false; 929 } 930 } 931 932 /** 933 * Sets the user as enabled, if such an user exists. 934 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 935 * Note that the default is true, it's only that managed profiles might not be enabled. 936 * 937 * @param userHandle the id of the profile to enable 938 * @hide 939 */ 940 public void setUserEnabled(int userHandle) { 941 try { 942 mService.setUserEnabled(userHandle); 943 } catch (RemoteException e) { 944 Log.w(TAG, "Could not enable the profile", e); 945 } 946 } 947 948 /** 949 * Return the number of users currently created on the device. 950 */ 951 public int getUserCount() { 952 List<UserInfo> users = getUsers(); 953 return users != null ? users.size() : 1; 954 } 955 956 /** 957 * Returns information for all users on this device. 958 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 959 * @return the list of users that were created. 960 * @hide 961 */ 962 public List<UserInfo> getUsers() { 963 try { 964 return mService.getUsers(false); 965 } catch (RemoteException re) { 966 Log.w(TAG, "Could not get user list", re); 967 return null; 968 } 969 } 970 971 /** 972 * Checks whether it's possible to add more users. Caller must hold the MANAGE_USERS 973 * permission. 974 * 975 * @return true if more users can be added, false if limit has been reached. 976 * @hide 977 */ 978 public boolean canAddMoreUsers() { 979 final List<UserInfo> users = getUsers(true); 980 final int totalUserCount = users.size(); 981 int aliveUserCount = 0; 982 for (int i = 0; i < totalUserCount; i++) { 983 UserInfo user = users.get(i); 984 if (!user.isGuest()) { 985 aliveUserCount++; 986 } 987 } 988 return aliveUserCount < getMaxSupportedUsers(); 989 } 990 991 /** 992 * Checks whether it's possible to add more managed profiles. Caller must hold the MANAGE_USERS 993 * permission. 994 * 995 * @return true if more managed profiles can be added, false if limit has been reached. 996 * @hide 997 */ 998 public boolean canAddMoreManagedProfiles() { 999 try { 1000 return mService.canAddMoreManagedProfiles(); 1001 } catch (RemoteException re) { 1002 Log.w(TAG, "Could not check if we can add more managed profiles", re); 1003 return false; 1004 } 1005 } 1006 1007 /** 1008 * Returns list of the profiles of userHandle including 1009 * userHandle itself. 1010 * Note that this returns both enabled and not enabled profiles. See 1011 * {@link #getEnabledProfiles(int)} if you need only the enabled ones. 1012 * 1013 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1014 * @param userHandle profiles of this user will be returned. 1015 * @return the list of profiles. 1016 * @hide 1017 */ 1018 public List<UserInfo> getProfiles(int userHandle) { 1019 try { 1020 return mService.getProfiles(userHandle, false /* enabledOnly */); 1021 } catch (RemoteException re) { 1022 Log.w(TAG, "Could not get user list", re); 1023 return null; 1024 } 1025 } 1026 1027 /** 1028 * Returns list of the profiles of userHandle including 1029 * userHandle itself. 1030 * Note that this returns only enabled. 1031 * 1032 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1033 * @param userHandle profiles of this user will be returned. 1034 * @return the list of profiles. 1035 * @hide 1036 */ 1037 public List<UserInfo> getEnabledProfiles(int userHandle) { 1038 try { 1039 return mService.getProfiles(userHandle, true /* enabledOnly */); 1040 } catch (RemoteException re) { 1041 Log.w(TAG, "Could not get user list", re); 1042 return null; 1043 } 1044 } 1045 1046 /** 1047 * Returns a list of UserHandles for profiles associated with the user that the calling process 1048 * is running on, including the user itself. 1049 * 1050 * @return A non-empty list of UserHandles associated with the calling user. 1051 */ 1052 public List<UserHandle> getUserProfiles() { 1053 ArrayList<UserHandle> profiles = new ArrayList<UserHandle>(); 1054 List<UserInfo> users = new ArrayList<UserInfo>(); 1055 try { 1056 users = mService.getProfiles(UserHandle.myUserId(), true /* enabledOnly */); 1057 } catch (RemoteException re) { 1058 Log.w(TAG, "Could not get user list", re); 1059 return null; 1060 } 1061 for (UserInfo info : users) { 1062 UserHandle userHandle = new UserHandle(info.id); 1063 profiles.add(userHandle); 1064 } 1065 return profiles; 1066 } 1067 1068 /** 1069 * Returns the parent of the profile which this method is called from 1070 * or null if called from a user that is not a profile. 1071 * 1072 * @hide 1073 */ 1074 public UserInfo getProfileParent(int userHandle) { 1075 try { 1076 return mService.getProfileParent(userHandle); 1077 } catch (RemoteException re) { 1078 Log.w(TAG, "Could not get profile parent", re); 1079 return null; 1080 } 1081 } 1082 1083 /** 1084 * If the target user is a managed profile of the calling user or the caller 1085 * is itself a managed profile, then this returns a badged copy of the given 1086 * icon to be able to distinguish it from the original icon. For badging an 1087 * arbitrary drawable use {@link #getBadgedDrawableForUser( 1088 * android.graphics.drawable.Drawable, UserHandle, android.graphics.Rect, int)}. 1089 * <p> 1090 * If the original drawable is a BitmapDrawable and the backing bitmap is 1091 * mutable as per {@link android.graphics.Bitmap#isMutable()}, the bading 1092 * is performed in place and the original drawable is returned. 1093 * </p> 1094 * 1095 * @param icon The icon to badge. 1096 * @param user The target user. 1097 * @return A drawable that combines the original icon and a badge as 1098 * determined by the system. 1099 * @removed 1100 */ 1101 public Drawable getBadgedIconForUser(Drawable icon, UserHandle user) { 1102 return mContext.getPackageManager().getUserBadgedIcon(icon, user); 1103 } 1104 1105 /** 1106 * If the target user is a managed profile of the calling user or the caller 1107 * is itself a managed profile, then this returns a badged copy of the given 1108 * drawable allowing the user to distinguish it from the original drawable. 1109 * The caller can specify the location in the bounds of the drawable to be 1110 * badged where the badge should be applied as well as the density of the 1111 * badge to be used. 1112 * <p> 1113 * If the original drawable is a BitmapDrawable and the backing bitmap is 1114 * mutable as per {@link android.graphics.Bitmap#isMutable()}, the bading 1115 * is performed in place and the original drawable is returned. 1116 * </p> 1117 * 1118 * @param badgedDrawable The drawable to badge. 1119 * @param user The target user. 1120 * @param badgeLocation Where in the bounds of the badged drawable to place 1121 * the badge. If not provided, the badge is applied on top of the entire 1122 * drawable being badged. 1123 * @param badgeDensity The optional desired density for the badge as per 1124 * {@link android.util.DisplayMetrics#densityDpi}. If not provided, 1125 * the density of the display is used. 1126 * @return A drawable that combines the original drawable and a badge as 1127 * determined by the system. 1128 * @removed 1129 */ 1130 public Drawable getBadgedDrawableForUser(Drawable badgedDrawable, UserHandle user, 1131 Rect badgeLocation, int badgeDensity) { 1132 return mContext.getPackageManager().getUserBadgedDrawableForDensity(badgedDrawable, user, 1133 badgeLocation, badgeDensity); 1134 } 1135 1136 /** 1137 * If the target user is a managed profile of the calling user or the caller 1138 * is itself a managed profile, then this returns a copy of the label with 1139 * badging for accessibility services like talkback. E.g. passing in "Email" 1140 * and it might return "Work Email" for Email in the work profile. 1141 * 1142 * @param label The label to change. 1143 * @param user The target user. 1144 * @return A label that combines the original label and a badge as 1145 * determined by the system. 1146 * @removed 1147 */ 1148 public CharSequence getBadgedLabelForUser(CharSequence label, UserHandle user) { 1149 return mContext.getPackageManager().getUserBadgedLabel(label, user); 1150 } 1151 1152 /** 1153 * Returns information for all users on this device. Requires 1154 * {@link android.Manifest.permission#MANAGE_USERS} permission. 1155 * 1156 * @param excludeDying specify if the list should exclude users being 1157 * removed. 1158 * @return the list of users that were created. 1159 * @hide 1160 */ 1161 public List<UserInfo> getUsers(boolean excludeDying) { 1162 try { 1163 return mService.getUsers(excludeDying); 1164 } catch (RemoteException re) { 1165 Log.w(TAG, "Could not get user list", re); 1166 return null; 1167 } 1168 } 1169 1170 /** 1171 * Removes a user and all associated data. 1172 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1173 * @param userHandle the integer handle of the user, where 0 is the primary user. 1174 * @hide 1175 */ 1176 public boolean removeUser(int userHandle) { 1177 try { 1178 return mService.removeUser(userHandle); 1179 } catch (RemoteException re) { 1180 Log.w(TAG, "Could not remove user ", re); 1181 return false; 1182 } 1183 } 1184 1185 /** 1186 * Updates the user's name. 1187 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 1188 * 1189 * @param userHandle the user's integer handle 1190 * @param name the new name for the user 1191 * @hide 1192 */ 1193 public void setUserName(int userHandle, String name) { 1194 try { 1195 mService.setUserName(userHandle, name); 1196 } catch (RemoteException re) { 1197 Log.w(TAG, "Could not set the user name ", re); 1198 } 1199 } 1200 1201 /** 1202 * Sets the user's photo. 1203 * @param userHandle the user for whom to change the photo. 1204 * @param icon the bitmap to set as the photo. 1205 * @hide 1206 */ 1207 public void setUserIcon(int userHandle, Bitmap icon) { 1208 try { 1209 mService.setUserIcon(userHandle, icon); 1210 } catch (RemoteException re) { 1211 Log.w(TAG, "Could not set the user icon ", re); 1212 } 1213 } 1214 1215 /** 1216 * Returns a file descriptor for the user's photo. PNG data can be read from this file. 1217 * @param userHandle the user whose photo we want to read. 1218 * @return a {@link Bitmap} of the user's photo, or null if there's no photo. 1219 * @see com.android.internal.util.UserIcons#getDefaultUserIcon for a default. 1220 * @hide 1221 */ 1222 public Bitmap getUserIcon(int userHandle) { 1223 try { 1224 ParcelFileDescriptor fd = mService.getUserIcon(userHandle); 1225 if (fd != null) { 1226 try { 1227 return BitmapFactory.decodeFileDescriptor(fd.getFileDescriptor()); 1228 } finally { 1229 try { 1230 fd.close(); 1231 } catch (IOException e) { 1232 } 1233 } 1234 } 1235 } catch (RemoteException re) { 1236 Log.w(TAG, "Could not get the user icon ", re); 1237 } 1238 return null; 1239 } 1240 1241 /** 1242 * Returns the maximum number of users that can be created on this device. A return value 1243 * of 1 means that it is a single user device. 1244 * @hide 1245 * @return a value greater than or equal to 1 1246 */ 1247 public static int getMaxSupportedUsers() { 1248 // Don't allow multiple users on certain builds 1249 if (android.os.Build.ID.startsWith("JVP")) return 1; 1250 // Svelte devices don't get multi-user. 1251 if (ActivityManager.isLowRamDeviceStatic()) return 1; 1252 return SystemProperties.getInt("fw.max_users", 1253 Resources.getSystem().getInteger(R.integer.config_multiuserMaximumUsers)); 1254 } 1255 1256 /** 1257 * Returns true if the user switcher should be shown, this will be if there 1258 * are multiple users that aren't managed profiles. 1259 * @hide 1260 * @return true if user switcher should be shown. 1261 */ 1262 public boolean isUserSwitcherEnabled() { 1263 List<UserInfo> users = getUsers(true); 1264 if (users == null) { 1265 return false; 1266 } 1267 int switchableUserCount = 0; 1268 for (UserInfo user : users) { 1269 if (user.supportsSwitchTo()) { 1270 ++switchableUserCount; 1271 } 1272 } 1273 final boolean guestEnabled = Settings.Global.getInt(mContext.getContentResolver(), 1274 Settings.Global.GUEST_USER_ENABLED, 0) == 1; 1275 return switchableUserCount > 1 || guestEnabled; 1276 } 1277 1278 /** 1279 * Returns a serial number on this device for a given userHandle. User handles can be recycled 1280 * when deleting and creating users, but serial numbers are not reused until the device is wiped. 1281 * @param userHandle 1282 * @return a serial number associated with that user, or -1 if the userHandle is not valid. 1283 * @hide 1284 */ 1285 public int getUserSerialNumber(int userHandle) { 1286 try { 1287 return mService.getUserSerialNumber(userHandle); 1288 } catch (RemoteException re) { 1289 Log.w(TAG, "Could not get serial number for user " + userHandle); 1290 } 1291 return -1; 1292 } 1293 1294 /** 1295 * Returns a userHandle on this device for a given user serial number. User handles can be 1296 * recycled when deleting and creating users, but serial numbers are not reused until the device 1297 * is wiped. 1298 * @param userSerialNumber 1299 * @return the userHandle associated with that user serial number, or -1 if the serial number 1300 * is not valid. 1301 * @hide 1302 */ 1303 public int getUserHandle(int userSerialNumber) { 1304 try { 1305 return mService.getUserHandle(userSerialNumber); 1306 } catch (RemoteException re) { 1307 Log.w(TAG, "Could not get userHandle for user " + userSerialNumber); 1308 } 1309 return -1; 1310 } 1311 1312 /** 1313 * Returns a Bundle containing any saved application restrictions for this user, for the 1314 * given package name. Only an application with this package name can call this method. 1315 * @param packageName the package name of the calling application 1316 * @return a Bundle with the restrictions as key/value pairs, or null if there are no 1317 * saved restrictions. The values can be of type Boolean, String or String[], depending 1318 * on the restriction type, as defined by the application. 1319 */ 1320 public Bundle getApplicationRestrictions(String packageName) { 1321 try { 1322 return mService.getApplicationRestrictions(packageName); 1323 } catch (RemoteException re) { 1324 Log.w(TAG, "Could not get application restrictions for package " + packageName); 1325 } 1326 return null; 1327 } 1328 1329 /** 1330 * @hide 1331 */ 1332 public Bundle getApplicationRestrictions(String packageName, UserHandle user) { 1333 try { 1334 return mService.getApplicationRestrictionsForUser(packageName, user.getIdentifier()); 1335 } catch (RemoteException re) { 1336 Log.w(TAG, "Could not get application restrictions for user " + user.getIdentifier()); 1337 } 1338 return null; 1339 } 1340 1341 /** 1342 * @hide 1343 */ 1344 public void setApplicationRestrictions(String packageName, Bundle restrictions, 1345 UserHandle user) { 1346 try { 1347 mService.setApplicationRestrictions(packageName, restrictions, user.getIdentifier()); 1348 } catch (RemoteException re) { 1349 Log.w(TAG, "Could not set application restrictions for user " + user.getIdentifier()); 1350 } 1351 } 1352 1353 /** 1354 * Sets a new challenge PIN for restrictions. This is only for use by pre-installed 1355 * apps and requires the MANAGE_USERS permission. 1356 * @param newPin the PIN to use for challenge dialogs. 1357 * @return Returns true if the challenge PIN was set successfully. 1358 * @deprecated The restrictions PIN functionality is no longer provided by the system. 1359 * This method is preserved for backwards compatibility reasons and always returns false. 1360 */ 1361 public boolean setRestrictionsChallenge(String newPin) { 1362 return false; 1363 } 1364 1365 /** @hide */ 1366 public void removeRestrictions() { 1367 try { 1368 mService.removeRestrictions(); 1369 } catch (RemoteException re) { 1370 Log.w(TAG, "Could not change restrictions pin"); 1371 } 1372 } 1373 1374 /** 1375 * @hide 1376 * Set restrictions that should apply to any future guest user that's created. 1377 */ 1378 public void setDefaultGuestRestrictions(Bundle restrictions) { 1379 try { 1380 mService.setDefaultGuestRestrictions(restrictions); 1381 } catch (RemoteException re) { 1382 Log.w(TAG, "Could not set guest restrictions"); 1383 } 1384 } 1385 1386 /** 1387 * @hide 1388 * Gets the default guest restrictions. 1389 */ 1390 public Bundle getDefaultGuestRestrictions() { 1391 try { 1392 return mService.getDefaultGuestRestrictions(); 1393 } catch (RemoteException re) { 1394 Log.w(TAG, "Could not set guest restrictions"); 1395 } 1396 return new Bundle(); 1397 } 1398 1399 /** 1400 * Returns creation time of the user or of a managed profile associated with the calling user. 1401 * @param userHandle user handle of the user or a managed profile associated with the 1402 * calling user. 1403 * @return creation time in milliseconds since Epoch time. 1404 */ 1405 public long getUserCreationTime(UserHandle userHandle) { 1406 try { 1407 return mService.getUserCreationTime(userHandle.getIdentifier()); 1408 } catch (RemoteException re) { 1409 Log.w(TAG, "Could not get user creation time", re); 1410 return 0; 1411 } 1412 } 1413} 1414