UserManager.java revision 5b8224901b5de0cfe7b4a1d3cb158e38243ef99f
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.app.ActivityManager; 19import android.app.ActivityManagerNative; 20import android.content.Context; 21import android.content.pm.UserInfo; 22import android.content.res.Resources; 23import android.graphics.Bitmap; 24import android.graphics.Canvas; 25import android.graphics.Bitmap.Config; 26import android.graphics.Rect; 27import android.graphics.drawable.BitmapDrawable; 28import android.graphics.drawable.Drawable; 29import android.provider.Settings; 30import android.util.Log; 31import android.view.WindowManager.LayoutParams; 32 33import com.android.internal.R; 34 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 * Key for user restrictions. Specifies if a user is disallowed from adding and removing 49 * accounts. 50 * The default value is <code>false</code>. 51 * <p/> 52 * Type: Boolean 53 * @see #setUserRestrictions(Bundle) 54 * @see #getUserRestrictions() 55 */ 56 public static final String DISALLOW_MODIFY_ACCOUNTS = "no_modify_accounts"; 57 58 /** 59 * Key for user restrictions. Specifies if a user is disallowed from changing Wi-Fi 60 * access points. 61 * The default value is <code>false</code>. 62 * <p/> 63 * Type: Boolean 64 * @see #setUserRestrictions(Bundle) 65 * @see #getUserRestrictions() 66 */ 67 public static final String DISALLOW_CONFIG_WIFI = "no_config_wifi"; 68 69 /** 70 * Key for user restrictions. Specifies if a user is disallowed from installing applications. 71 * The default value is <code>false</code>. 72 * <p/> 73 * Type: Boolean 74 * @see #setUserRestrictions(Bundle) 75 * @see #getUserRestrictions() 76 */ 77 public static final String DISALLOW_INSTALL_APPS = "no_install_apps"; 78 79 /** 80 * Key for user restrictions. Specifies if a user is disallowed from uninstalling applications. 81 * The default value is <code>false</code>. 82 * <p/> 83 * Type: Boolean 84 * @see #setUserRestrictions(Bundle) 85 * @see #getUserRestrictions() 86 */ 87 public static final String DISALLOW_UNINSTALL_APPS = "no_uninstall_apps"; 88 89 /** 90 * Key for user restrictions. Specifies if a user is disallowed from toggling location sharing. 91 * The default value is <code>false</code>. 92 * <p/> 93 * Type: Boolean 94 * @see #setUserRestrictions(Bundle) 95 * @see #getUserRestrictions() 96 */ 97 public static final String DISALLOW_SHARE_LOCATION = "no_share_location"; 98 99 /** 100 * Key for user restrictions. Specifies if a user is disallowed from enabling the 101 * "Unknown Sources" setting, that allows installation of apps from unknown sources. 102 * The default value is <code>false</code>. 103 * <p/> 104 * Type: Boolean 105 * @see #setUserRestrictions(Bundle) 106 * @see #getUserRestrictions() 107 */ 108 public static final String DISALLOW_INSTALL_UNKNOWN_SOURCES = "no_install_unknown_sources"; 109 110 /** 111 * Key for user restrictions. Specifies if a user is disallowed from configuring bluetooth. 112 * The default value is <code>false</code>. 113 * <p/> 114 * Type: Boolean 115 * @see #setUserRestrictions(Bundle) 116 * @see #getUserRestrictions() 117 */ 118 public static final String DISALLOW_CONFIG_BLUETOOTH = "no_config_bluetooth"; 119 120 /** 121 * Key for user restrictions. Specifies if a user is disallowed from transferring files over 122 * USB. The default value is <code>false</code>. 123 * <p/> 124 * Type: Boolean 125 * @see #setUserRestrictions(Bundle) 126 * @see #getUserRestrictions() 127 */ 128 public static final String DISALLOW_USB_FILE_TRANSFER = "no_usb_file_transfer"; 129 130 /** 131 * Key for user restrictions. Specifies if a user is disallowed from configuring user 132 * credentials. The default value is <code>false</code>. 133 * <p/> 134 * Type: Boolean 135 * @see #setUserRestrictions(Bundle) 136 * @see #getUserRestrictions() 137 */ 138 public static final String DISALLOW_CONFIG_CREDENTIALS = "no_config_credentials"; 139 140 /** 141 * Key for user restrictions. Specifies if a user is disallowed from removing itself and other 142 * users. 143 * The default value is <code>false</code>. 144 * <p/> 145 * Type: Boolean 146 * @see #setUserRestrictions(Bundle) 147 * @see #getUserRestrictions() 148 */ 149 public static final String DISALLOW_REMOVE_USER = "no_remove_user"; 150 151 /** 152 * Key for user restrictions. Specifies if a user is disallowed from enabling or 153 * accessing debugging features. The default value is <code>false</code>. 154 * <p/> 155 * Type: Boolean 156 * @see #setUserRestrictions(Bundle) 157 * @see #getUserRestrictions() 158 */ 159 public static final String DISALLOW_DEBUGGING_FEATURES = "no_debugging_features"; 160 161 /** 162 * Key for user restrictions. Specifies if a user is disallowed from configuring VPN. 163 * The default value is <code>false</code>. 164 * <p/> 165 * Type: Boolean 166 * @see #setUserRestrictions(Bundle) 167 * @see #getUserRestrictions() 168 */ 169 public static final String DISALLOW_CONFIG_VPN = "no_config_vpn"; 170 171 /** 172 * Key for user restrictions. Specifies if a user is disallowed from configuring Tethering 173 * & portable hotspots. The default value is <code>false</code>. 174 * <p/> 175 * Type: Boolean 176 * @see #setUserRestrictions(Bundle) 177 * @see #getUserRestrictions() 178 */ 179 public static final String DISALLOW_CONFIG_TETHERING = "no_config_tethering"; 180 181 /** 182 * Key for user restrictions. Specifies if a user is disallowed from factory resetting 183 * from Settings. 184 * The default value is <code>false</code>. 185 * <p> 186 * @see #setUserRestrictions(Bundle) 187 * @see #getUserRestrictions() 188 */ 189 public static final String DISALLOW_FACTORY_RESET = "no_factory_reset"; 190 191 /** 192 * Key for user restrictions. Specifies if a user is disallowed from adding new users and 193 * profiles. The default value is <code>false</code>. 194 * <p> 195 * Type: Boolean 196 * @see #setUserRestrictions(Bundle) 197 * @see #getUserRestrictions() 198 */ 199 public static final String DISALLOW_ADD_USER = "no_add_user"; 200 201 /** 202 * Key for user restrictions. Specifies if a user is disallowed from disabling application 203 * verification. The default value is <code>false</code>. 204 * <p> 205 * Type: Boolean 206 * @see #setUserRestrictions(Bundle) 207 * @see #getUserRestrictions() 208 */ 209 public static final String ENSURE_VERIFY_APPS = "ensure_verify_apps"; 210 211 /** 212 * Key for user restrictions. Specifies if a user is disallowed from configuring cell 213 * broadcasts. The default value is <code>false</code>. 214 * <p> 215 * Type: Boolean 216 * @see #setUserRestrictions(Bundle) 217 * @see #getUserRestrictions() 218 */ 219 public static final String DISALLOW_CONFIG_CELL_BROADCASTS = "no_config_cell_broadcasts"; 220 221 /** 222 * Key for user restrictions. Specifies if a user is disallowed from configuring mobile 223 * networks. The default value is <code>false</code>. 224 * <p> 225 * Type: Boolean 226 * @see #setUserRestrictions(Bundle) 227 * @see #getUserRestrictions() 228 */ 229 public static final String DISALLOW_CONFIG_MOBILE_NETWORKS = "no_config_mobile_networks"; 230 231 /** 232 * Key for user restrictions. Specifies if a user is disallowed from controlling 233 * applications in Settings. The default value is <code>false</code>. 234 * <p> 235 * Type: Boolean 236 * @see #setUserRestrictions(Bundle) 237 * @see #getUserRestrictions() 238 */ 239 public static final String DISALLOW_APPS_CONTROL = "no_control_apps"; 240 241 /** 242 * Key for user restrictions. Specifies if a user is disallowed from mounting 243 * physical external media. The default value is <code>false</code>. 244 * <p/> 245 * Type: Boolean 246 * @see #setUserRestrictions(Bundle) 247 * @see #getUserRestrictions() 248 */ 249 public static final String DISALLOW_MOUNT_PHYSICAL_MEDIA = "no_physical_media"; 250 251 /** 252 * Key for user restrictions. Specifies if a user is disallowed from adjusting microphone 253 * volume. 254 * The default value is <code>false</code>. 255 * <p/> 256 * Type: Boolean 257 * @see #setUserRestrictions(Bundle) 258 * @see #getUserRestrictions() 259 */ 260 public static final String DISALLOW_UNMUTE_MICROPHONE = "no_unmute_microphone"; 261 262 /** 263 * Key for user restrictions. Specifies if a user is disallowed from adjusting the master 264 * volume. 265 * The default value is <code>false</code>. 266 * <p/> 267 * Type: Boolean 268 * @see #setUserRestrictions(Bundle) 269 * @see #getUserRestrictions() 270 */ 271 public static final String DISALLOW_ADJUST_VOLUME = "no_adjust_volume"; 272 273 /** 274 * Key for user restrictions. Specifies that the user is not allowed to send or receive 275 * phone calls or text messages. Emergency calls may still be permitted. 276 * The default value is <code>false</code>. 277 * <p/> 278 * Type: Boolean 279 * @see #setUserRestrictions(Bundle) 280 * @see #getUserRestrictions() 281 */ 282 public static final String DISALLOW_TELEPHONY = "no_telephony"; 283 284 /** 285 * Key for user restrictions. Specifies that windows besides app windows should not be 286 * created. This will block the creation of the following types of windows. 287 * <li>{@link LayoutParams#TYPE_TOAST}</li> 288 * <li>{@link LayoutParams#TYPE_PHONE}</li> 289 * <li>{@link LayoutParams#TYPE_PRIORITY_PHONE}</li> 290 * <li>{@link LayoutParams#TYPE_SYSTEM_ALERT}</li> 291 * <li>{@link LayoutParams#TYPE_SYSTEM_ERROR}</li> 292 * <li>{@link LayoutParams#TYPE_SYSTEM_OVERLAY}</li> 293 * 294 * <p>The default value is <code>false</code>. 295 * <p/> 296 * Type: Boolean 297 * @see #setUserRestrictions(Bundle) 298 * @see #getUserRestrictions() 299 */ 300 public static final String DISALLOW_CREATE_WINDOWS = "no_create_windows"; 301 302 /** @hide */ 303 public static final int PIN_VERIFICATION_FAILED_INCORRECT = -3; 304 /** @hide */ 305 public static final int PIN_VERIFICATION_FAILED_NOT_SET = -2; 306 /** @hide */ 307 public static final int PIN_VERIFICATION_SUCCESS = -1; 308 309 private static UserManager sInstance = null; 310 311 /** @hide */ 312 public synchronized static UserManager get(Context context) { 313 if (sInstance == null) { 314 sInstance = (UserManager) context.getSystemService(Context.USER_SERVICE); 315 } 316 return sInstance; 317 } 318 319 /** @hide */ 320 public UserManager(Context context, IUserManager service) { 321 mService = service; 322 mContext = context; 323 } 324 325 /** 326 * Returns whether the system supports multiple users. 327 * @return true if multiple users can be created by user, false if it is a single user device. 328 * @hide 329 */ 330 public static boolean supportsMultipleUsers() { 331 return getMaxSupportedUsers() > 1 332 && SystemProperties.getBoolean("fw.show_multiuserui", 333 Resources.getSystem().getBoolean(R.bool.config_enableMultiUserUI)); 334 } 335 336 /** 337 * Returns the user handle for the user that the calling process is running on. 338 * 339 * @return the user handle of the user making this call. 340 * @hide 341 */ 342 public int getUserHandle() { 343 return UserHandle.myUserId(); 344 } 345 346 /** 347 * Returns the user name of the user making this call. This call is only 348 * available to applications on the system image; it requires the 349 * MANAGE_USERS permission. 350 * @return the user name 351 */ 352 public String getUserName() { 353 try { 354 return mService.getUserInfo(getUserHandle()).name; 355 } catch (RemoteException re) { 356 Log.w(TAG, "Could not get user name", re); 357 return ""; 358 } 359 } 360 361 /** 362 * Used to determine whether the user making this call is subject to 363 * teleportations. 364 * @return whether the user making this call is a goat 365 */ 366 public boolean isUserAGoat() { 367 return false; 368 } 369 370 /** 371 * Used to check if the user making this call is linked to another user. Linked users may have 372 * a reduced number of available apps, app restrictions and account restrictions. 373 * @return whether the user making this call is a linked user 374 * @hide 375 */ 376 public boolean isLinkedUser() { 377 try { 378 return mService.isRestricted(); 379 } catch (RemoteException re) { 380 Log.w(TAG, "Could not check if user is limited ", re); 381 return false; 382 } 383 } 384 385 /** 386 * Checks if the calling app is running as a guest user. 387 * @return whether the caller is a guest user. 388 * @hide 389 */ 390 public boolean isGuestUser() { 391 UserInfo user = getUserInfo(UserHandle.myUserId()); 392 return user != null ? user.isGuest() : false; 393 } 394 395 /** 396 * Return whether the given user is actively running. This means that 397 * the user is in the "started" state, not "stopped" -- it is currently 398 * allowed to run code through scheduled alarms, receiving broadcasts, 399 * etc. A started user may be either the current foreground user or a 400 * background user; the result here does not distinguish between the two. 401 * @param user The user to retrieve the running state for. 402 */ 403 public boolean isUserRunning(UserHandle user) { 404 try { 405 return ActivityManagerNative.getDefault().isUserRunning( 406 user.getIdentifier(), false); 407 } catch (RemoteException e) { 408 return false; 409 } 410 } 411 412 /** 413 * Return whether the given user is actively running <em>or</em> stopping. 414 * This is like {@link #isUserRunning(UserHandle)}, but will also return 415 * true if the user had been running but is in the process of being stopped 416 * (but is not yet fully stopped, and still running some code). 417 * @param user The user to retrieve the running state for. 418 */ 419 public boolean isUserRunningOrStopping(UserHandle user) { 420 try { 421 return ActivityManagerNative.getDefault().isUserRunning( 422 user.getIdentifier(), true); 423 } catch (RemoteException e) { 424 return false; 425 } 426 } 427 428 /** 429 * Returns the UserInfo object describing a specific user. 430 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 431 * @param userHandle the user handle of the user whose information is being requested. 432 * @return the UserInfo object for a specific user. 433 * @hide 434 */ 435 public UserInfo getUserInfo(int userHandle) { 436 try { 437 return mService.getUserInfo(userHandle); 438 } catch (RemoteException re) { 439 Log.w(TAG, "Could not get user info", re); 440 return null; 441 } 442 } 443 444 /** 445 * Returns the user-wide restrictions imposed on this user. 446 * @return a Bundle containing all the restrictions. 447 */ 448 public Bundle getUserRestrictions() { 449 return getUserRestrictions(Process.myUserHandle()); 450 } 451 452 /** 453 * Returns the user-wide restrictions imposed on the user specified by <code>userHandle</code>. 454 * @param userHandle the UserHandle of the user for whom to retrieve the restrictions. 455 * @return a Bundle containing all the restrictions. 456 */ 457 public Bundle getUserRestrictions(UserHandle userHandle) { 458 try { 459 return mService.getUserRestrictions(userHandle.getIdentifier()); 460 } catch (RemoteException re) { 461 Log.w(TAG, "Could not get user restrictions", re); 462 return Bundle.EMPTY; 463 } 464 } 465 466 /** 467 * Sets all the user-wide restrictions for this user. 468 * Requires the MANAGE_USERS permission. 469 * @param restrictions the Bundle containing all the restrictions. 470 */ 471 public void setUserRestrictions(Bundle restrictions) { 472 setUserRestrictions(restrictions, Process.myUserHandle()); 473 } 474 475 /** 476 * Sets all the user-wide restrictions for the specified user. 477 * Requires the MANAGE_USERS permission. 478 * @param restrictions the Bundle containing all the restrictions. 479 * @param userHandle the UserHandle of the user for whom to set the restrictions. 480 */ 481 public void setUserRestrictions(Bundle restrictions, UserHandle userHandle) { 482 try { 483 mService.setUserRestrictions(restrictions, userHandle.getIdentifier()); 484 } catch (RemoteException re) { 485 Log.w(TAG, "Could not set user restrictions", re); 486 } 487 } 488 489 /** 490 * Sets the value of a specific restriction. 491 * Requires the MANAGE_USERS permission. 492 * @param key the key of the restriction 493 * @param value the value for the restriction 494 */ 495 public void setUserRestriction(String key, boolean value) { 496 Bundle bundle = getUserRestrictions(); 497 bundle.putBoolean(key, value); 498 setUserRestrictions(bundle); 499 } 500 501 /** 502 * @hide 503 * Sets the value of a specific restriction on a specific user. 504 * Requires the MANAGE_USERS permission. 505 * @param key the key of the restriction 506 * @param value the value for the restriction 507 * @param userHandle the user whose restriction is to be changed. 508 */ 509 public void setUserRestriction(String key, boolean value, UserHandle userHandle) { 510 Bundle bundle = getUserRestrictions(userHandle); 511 bundle.putBoolean(key, value); 512 setUserRestrictions(bundle, userHandle); 513 } 514 515 /** 516 * Returns whether the current user has been disallowed from performing certain actions 517 * or setting certain settings. 518 * 519 * @param restrictionKey The string key representing the restriction. 520 * @return {@code true} if the current user has the given restriction, {@code false} otherwise. 521 */ 522 public boolean hasUserRestriction(String restrictionKey) { 523 return hasUserRestriction(restrictionKey, Process.myUserHandle()); 524 } 525 526 /** 527 * @hide 528 * Returns whether the given user has been disallowed from performing certain actions 529 * or setting certain settings. 530 * @param restrictionKey the string key representing the restriction 531 * @param userHandle the UserHandle of the user for whom to retrieve the restrictions. 532 */ 533 public boolean hasUserRestriction(String restrictionKey, UserHandle userHandle) { 534 return getUserRestrictions(userHandle).getBoolean(restrictionKey, false); 535 } 536 537 /** 538 * Return the serial number for a user. This is a device-unique 539 * number assigned to that user; if the user is deleted and then a new 540 * user created, the new users will not be given the same serial number. 541 * @param user The user whose serial number is to be retrieved. 542 * @return The serial number of the given user; returns -1 if the 543 * given UserHandle does not exist. 544 * @see #getUserForSerialNumber(long) 545 */ 546 public long getSerialNumberForUser(UserHandle user) { 547 return getUserSerialNumber(user.getIdentifier()); 548 } 549 550 /** 551 * Return the user associated with a serial number previously 552 * returned by {@link #getSerialNumberForUser(UserHandle)}. 553 * @param serialNumber The serial number of the user that is being 554 * retrieved. 555 * @return Return the user associated with the serial number, or null 556 * if there is not one. 557 * @see #getSerialNumberForUser(UserHandle) 558 */ 559 public UserHandle getUserForSerialNumber(long serialNumber) { 560 int ident = getUserHandle((int)serialNumber); 561 return ident >= 0 ? new UserHandle(ident) : null; 562 } 563 564 /** 565 * Creates a user with the specified name and options. 566 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 567 * 568 * @param name the user's name 569 * @param flags flags that identify the type of user and other properties. 570 * @see UserInfo 571 * 572 * @return the UserInfo object for the created user, or null if the user could not be created. 573 * @hide 574 */ 575 public UserInfo createUser(String name, int flags) { 576 try { 577 return mService.createUser(name, flags); 578 } catch (RemoteException re) { 579 Log.w(TAG, "Could not create a user", re); 580 return null; 581 } 582 } 583 584 /** 585 * Creates a guest user and configures it. 586 * @param context an application context 587 * @param name the name to set for the user 588 * @hide 589 */ 590 public UserInfo createGuest(Context context, String name) { 591 UserInfo guest = createUser(name, UserInfo.FLAG_GUEST); 592 if (guest != null) { 593 Settings.Secure.putStringForUser(context.getContentResolver(), 594 Settings.Secure.SKIP_FIRST_USE_HINTS, "1", guest.id); 595 } 596 return guest; 597 } 598 599 /** 600 * Creates a user with the specified name and options as a profile of another user. 601 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 602 * 603 * @param name the user's name 604 * @param flags flags that identify the type of user and other properties. 605 * @see UserInfo 606 * @param userHandle new user will be a profile of this use. 607 * 608 * @return the UserInfo object for the created user, or null if the user could not be created. 609 * @hide 610 */ 611 public UserInfo createProfileForUser(String name, int flags, int userHandle) { 612 try { 613 return mService.createProfileForUser(name, flags, userHandle); 614 } catch (RemoteException re) { 615 Log.w(TAG, "Could not create a user", re); 616 return null; 617 } 618 } 619 620 /** 621 * Sets the user as enabled, if such an user exists. 622 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 623 * Note that the default is true, it's only that managed profiles might not be enabled. 624 * 625 * @param userHandle the id of the profile to enable 626 * @hide 627 */ 628 public void setUserEnabled(int userHandle) { 629 try { 630 mService.setUserEnabled(userHandle); 631 } catch (RemoteException e) { 632 Log.w(TAG, "Could not enable the profile", e); 633 } 634 } 635 636 /** 637 * Return the number of users currently created on the device. 638 */ 639 public int getUserCount() { 640 List<UserInfo> users = getUsers(); 641 return users != null ? users.size() : 1; 642 } 643 644 /** 645 * Returns information for all users on this device. 646 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 647 * @return the list of users that were created. 648 * @hide 649 */ 650 public List<UserInfo> getUsers() { 651 try { 652 return mService.getUsers(false); 653 } catch (RemoteException re) { 654 Log.w(TAG, "Could not get user list", re); 655 return null; 656 } 657 } 658 659 /** 660 * Returns list of the profiles of userHandle including 661 * userHandle itself. 662 * Note that it this returns both enabled and not enabled profiles. See 663 * {@link #getUserProfiles()} if you need only the enabled ones. 664 * 665 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 666 * @param userHandle profiles of this user will be returned. 667 * @return the list of profiles. 668 * @hide 669 */ 670 public List<UserInfo> getProfiles(int userHandle) { 671 try { 672 return mService.getProfiles(userHandle, false /* enabledOnly */); 673 } catch (RemoteException re) { 674 Log.w(TAG, "Could not get user list", re); 675 return null; 676 } 677 } 678 679 /** 680 * Returns a list of UserHandles for profiles associated with the user that the calling process 681 * is running on, including the user itself. 682 * 683 * @return A non-empty list of UserHandles associated with the calling user. 684 */ 685 public List<UserHandle> getUserProfiles() { 686 ArrayList<UserHandle> profiles = new ArrayList<UserHandle>(); 687 List<UserInfo> users = new ArrayList<UserInfo>(); 688 try { 689 users = mService.getProfiles(UserHandle.myUserId(), true /* enabledOnly */); 690 } catch (RemoteException re) { 691 Log.w(TAG, "Could not get user list", re); 692 return null; 693 } 694 for (UserInfo info : users) { 695 UserHandle userHandle = new UserHandle(info.id); 696 profiles.add(userHandle); 697 } 698 return profiles; 699 } 700 701 /** 702 * Returns the parent of the profile which this method is called from 703 * or null if called from a user that is not a profile. 704 * 705 * @hide 706 */ 707 public UserInfo getProfileParent(int userHandle) { 708 try { 709 return mService.getProfileParent(userHandle); 710 } catch (RemoteException re) { 711 Log.w(TAG, "Could not get profile parent", re); 712 return null; 713 } 714 } 715 716 /** 717 * If the target user is a managed profile of the calling user or the caller 718 * is itself a managed profile, then this returns a badged copy of the given 719 * icon to be able to distinguish it from the original icon. 720 * <P> 721 * If the original drawable is not a BitmapDrawable, then the original 722 * drawable is returned. 723 * </P> 724 * 725 * @param icon The icon to badge. 726 * @param user The target user. 727 * @return A drawable that combines the original icon and a badge as 728 * determined by the system. 729 */ 730 public Drawable getBadgedDrawableForUser(Drawable icon, UserHandle user) { 731 int badgeResId = getBadgeResIdForUser(user.getIdentifier()); 732 if (badgeResId == 0) { 733 return icon; 734 } else { 735 Drawable badgeIcon = mContext.getPackageManager() 736 .getDrawable("system", badgeResId, null); 737 return getMergedDrawable(icon, badgeIcon); 738 } 739 } 740 741 /** 742 * If the target user is a managed profile of the calling user or the caller 743 * is itself a managed profile, then this returns a copy of the label with 744 * badging for accessibility services like talkback. E.g. passing in "Email" 745 * and it might return "Work Email" for Email in the work profile. 746 * 747 * @param label The label to change. 748 * @param user The target user. 749 * @return A label that combines the original label and a badge as 750 * determined by the system. 751 */ 752 public String getBadgedLabelForUser(String label, UserHandle user) { 753 UserInfo userInfo = getUserIfProfile(user.getIdentifier()); 754 if (userInfo != null && userInfo.isManagedProfile()) { 755 return Resources.getSystem().getString( 756 R.string.managed_profile_label_badge, label); 757 } 758 return label; 759 } 760 761 /** 762 * If the target user is a managed profile of the calling user or the caller 763 * is itself a managed profile, then this returns a drawable to use as a small 764 * icon to include in a view to distinguish it from the original icon. 765 * 766 * @param user The target user. 767 * @return the drawable or null if no drawable is required. 768 * @hide 769 */ 770 public Drawable getBadgeForUser(UserHandle user) { 771 UserInfo userInfo = getUserIfProfile(user.getIdentifier()); 772 if (userInfo != null && userInfo.isManagedProfile()) { 773 return Resources.getSystem().getDrawable( 774 com.android.internal.R.drawable.ic_corp_badge); 775 } 776 return null; 777 } 778 779 private int getBadgeResIdForUser(int userHandle) { 780 // Return the framework-provided badge. 781 UserInfo userInfo = getUserIfProfile(userHandle); 782 if (userInfo != null && userInfo.isManagedProfile()) { 783 return com.android.internal.R.drawable.ic_corp_icon_badge; 784 } 785 return 0; 786 } 787 788 /** 789 * @return UserInfo for userHandle if it exists and is a profile of the current 790 * user or null. 791 */ 792 private UserInfo getUserIfProfile(int userHandle) { 793 List<UserInfo> userProfiles = getProfiles(getUserHandle()); 794 for (UserInfo user : userProfiles) { 795 if (user.id == userHandle) { 796 return user; 797 } 798 } 799 return null; 800 } 801 802 private Drawable getMergedDrawable(Drawable icon, Drawable badge) { 803 final int width = icon.getIntrinsicWidth(); 804 final int height = icon.getIntrinsicHeight(); 805 Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888); 806 Canvas canvas = new Canvas(bitmap); 807 icon.setBounds(0, 0, width, height); 808 icon.draw(canvas); 809 badge.setBounds(0, 0, width, height); 810 badge.draw(canvas); 811 BitmapDrawable merged = new BitmapDrawable(bitmap); 812 if (icon instanceof BitmapDrawable) { 813 merged.setTargetDensity(((BitmapDrawable) icon).getBitmap().getDensity()); 814 } 815 return merged; 816 } 817 818 /** 819 * Returns information for all users on this device. Requires 820 * {@link android.Manifest.permission#MANAGE_USERS} permission. 821 * 822 * @param excludeDying specify if the list should exclude users being 823 * removed. 824 * @return the list of users that were created. 825 * @hide 826 */ 827 public List<UserInfo> getUsers(boolean excludeDying) { 828 try { 829 return mService.getUsers(excludeDying); 830 } catch (RemoteException re) { 831 Log.w(TAG, "Could not get user list", re); 832 return null; 833 } 834 } 835 836 /** 837 * Removes a user and all associated data. 838 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 839 * @param userHandle the integer handle of the user, where 0 is the primary user. 840 * @hide 841 */ 842 public boolean removeUser(int userHandle) { 843 try { 844 return mService.removeUser(userHandle); 845 } catch (RemoteException re) { 846 Log.w(TAG, "Could not remove user ", re); 847 return false; 848 } 849 } 850 851 /** 852 * Updates the user's name. 853 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 854 * 855 * @param userHandle the user's integer handle 856 * @param name the new name for the user 857 * @hide 858 */ 859 public void setUserName(int userHandle, String name) { 860 try { 861 mService.setUserName(userHandle, name); 862 } catch (RemoteException re) { 863 Log.w(TAG, "Could not set the user name ", re); 864 } 865 } 866 867 /** 868 * Sets the user's photo. 869 * @param userHandle the user for whom to change the photo. 870 * @param icon the bitmap to set as the photo. 871 * @hide 872 */ 873 public void setUserIcon(int userHandle, Bitmap icon) { 874 try { 875 mService.setUserIcon(userHandle, icon); 876 } catch (RemoteException re) { 877 Log.w(TAG, "Could not set the user icon ", re); 878 } 879 } 880 881 /** 882 * Returns a file descriptor for the user's photo. PNG data can be read from this file. 883 * @param userHandle the user whose photo we want to read. 884 * @return a {@link Bitmap} of the user's photo, or null if there's no photo. 885 * @hide 886 */ 887 public Bitmap getUserIcon(int userHandle) { 888 try { 889 return mService.getUserIcon(userHandle); 890 } catch (RemoteException re) { 891 Log.w(TAG, "Could not get the user icon ", re); 892 return null; 893 } 894 } 895 896 /** 897 * Returns the maximum number of users that can be created on this device. A return value 898 * of 1 means that it is a single user device. 899 * @hide 900 * @return a value greater than or equal to 1 901 */ 902 public static int getMaxSupportedUsers() { 903 // Don't allow multiple users on certain builds 904 if (android.os.Build.ID.startsWith("JVP")) return 1; 905 // Svelte devices don't get multi-user. 906 if (ActivityManager.isLowRamDeviceStatic()) return 1; 907 return SystemProperties.getInt("fw.max_users", 908 Resources.getSystem().getInteger(R.integer.config_multiuserMaximumUsers)); 909 } 910 911 /** 912 * Returns true if the user switcher should be shown, this will be if there 913 * are multiple users that aren't managed profiles. 914 * @hide 915 * @return true if user switcher should be shown. 916 */ 917 public boolean isUserSwitcherEnabled() { 918 List<UserInfo> users = getUsers(true); 919 if (users == null) { 920 return false; 921 } 922 int switchableUserCount = 0; 923 for (UserInfo user : users) { 924 if (user.supportsSwitchTo()) { 925 ++switchableUserCount; 926 } 927 } 928 final boolean guestEnabled = Settings.Global.getInt(mContext.getContentResolver(), 929 Settings.Global.GUEST_USER_ENABLED, 0) == 1; 930 return switchableUserCount > 1 || guestEnabled; 931 } 932 933 /** 934 * Returns a serial number on this device for a given userHandle. User handles can be recycled 935 * when deleting and creating users, but serial numbers are not reused until the device is wiped. 936 * @param userHandle 937 * @return a serial number associated with that user, or -1 if the userHandle is not valid. 938 * @hide 939 */ 940 public int getUserSerialNumber(int userHandle) { 941 try { 942 return mService.getUserSerialNumber(userHandle); 943 } catch (RemoteException re) { 944 Log.w(TAG, "Could not get serial number for user " + userHandle); 945 } 946 return -1; 947 } 948 949 /** 950 * Returns a userHandle on this device for a given user serial number. User handles can be 951 * recycled when deleting and creating users, but serial numbers are not reused until the device 952 * is wiped. 953 * @param userSerialNumber 954 * @return the userHandle associated with that user serial number, or -1 if the serial number 955 * is not valid. 956 * @hide 957 */ 958 public int getUserHandle(int userSerialNumber) { 959 try { 960 return mService.getUserHandle(userSerialNumber); 961 } catch (RemoteException re) { 962 Log.w(TAG, "Could not get userHandle for user " + userSerialNumber); 963 } 964 return -1; 965 } 966 967 /** 968 * Returns a Bundle containing any saved application restrictions for this user, for the 969 * given package name. Only an application with this package name can call this method. 970 * @param packageName the package name of the calling application 971 * @return a Bundle with the restrictions as key/value pairs, or null if there are no 972 * saved restrictions. The values can be of type Boolean, String or String[], depending 973 * on the restriction type, as defined by the application. 974 */ 975 public Bundle getApplicationRestrictions(String packageName) { 976 try { 977 return mService.getApplicationRestrictions(packageName); 978 } catch (RemoteException re) { 979 Log.w(TAG, "Could not get application restrictions for package " + packageName); 980 } 981 return null; 982 } 983 984 /** 985 * @hide 986 */ 987 public Bundle getApplicationRestrictions(String packageName, UserHandle user) { 988 try { 989 return mService.getApplicationRestrictionsForUser(packageName, user.getIdentifier()); 990 } catch (RemoteException re) { 991 Log.w(TAG, "Could not get application restrictions for user " + user.getIdentifier()); 992 } 993 return null; 994 } 995 996 /** 997 * @hide 998 */ 999 public void setApplicationRestrictions(String packageName, Bundle restrictions, 1000 UserHandle user) { 1001 try { 1002 mService.setApplicationRestrictions(packageName, restrictions, user.getIdentifier()); 1003 } catch (RemoteException re) { 1004 Log.w(TAG, "Could not set application restrictions for user " + user.getIdentifier()); 1005 } 1006 } 1007 1008 /** 1009 * Sets a new challenge PIN for restrictions. This is only for use by pre-installed 1010 * apps and requires the MANAGE_USERS permission. 1011 * @param newPin the PIN to use for challenge dialogs. 1012 * @return Returns true if the challenge PIN was set successfully. 1013 */ 1014 public boolean setRestrictionsChallenge(String newPin) { 1015 try { 1016 return mService.setRestrictionsChallenge(newPin); 1017 } catch (RemoteException re) { 1018 Log.w(TAG, "Could not change restrictions pin"); 1019 } 1020 return false; 1021 } 1022 1023 /** 1024 * @hide 1025 * @param pin The PIN to verify, or null to get the number of milliseconds to wait for before 1026 * allowing the user to enter the PIN. 1027 * @return Returns a positive number (including zero) for how many milliseconds before 1028 * you can accept another PIN, when the input is null or the input doesn't match the saved PIN. 1029 * Returns {@link #PIN_VERIFICATION_SUCCESS} if the input matches the saved PIN. Returns 1030 * {@link #PIN_VERIFICATION_FAILED_NOT_SET} if there is no PIN set. 1031 */ 1032 public int checkRestrictionsChallenge(String pin) { 1033 try { 1034 return mService.checkRestrictionsChallenge(pin); 1035 } catch (RemoteException re) { 1036 Log.w(TAG, "Could not check restrictions pin"); 1037 } 1038 return PIN_VERIFICATION_FAILED_INCORRECT; 1039 } 1040 1041 /** 1042 * @hide 1043 * Checks whether the user has restrictions that are PIN-protected. An application that 1044 * participates in restrictions can check if the owner has requested a PIN challenge for 1045 * any restricted operations. If there is a PIN in effect, the application should launch 1046 * the PIN challenge activity {@link android.content.Intent#ACTION_RESTRICTIONS_CHALLENGE}. 1047 * @see android.content.Intent#ACTION_RESTRICTIONS_CHALLENGE 1048 * @return whether a restrictions PIN is in effect. 1049 */ 1050 public boolean hasRestrictionsChallenge() { 1051 try { 1052 return mService.hasRestrictionsChallenge(); 1053 } catch (RemoteException re) { 1054 Log.w(TAG, "Could not change restrictions pin"); 1055 } 1056 return false; 1057 } 1058 1059 /** @hide */ 1060 public void removeRestrictions() { 1061 try { 1062 mService.removeRestrictions(); 1063 } catch (RemoteException re) { 1064 Log.w(TAG, "Could not change restrictions pin"); 1065 } 1066 } 1067 1068 /** 1069 * @hide 1070 * Set restrictions that should apply to any future guest user that's created. 1071 */ 1072 public void setDefaultGuestRestrictions(Bundle restrictions) { 1073 try { 1074 mService.setDefaultGuestRestrictions(restrictions); 1075 } catch (RemoteException re) { 1076 Log.w(TAG, "Could not set guest restrictions"); 1077 } 1078 } 1079 1080 /** 1081 * @hide 1082 * Gets the default guest restrictions. 1083 */ 1084 public Bundle getDefaultGuestRestrictions() { 1085 try { 1086 return mService.getDefaultGuestRestrictions(); 1087 } catch (RemoteException re) { 1088 Log.w(TAG, "Could not set guest restrictions"); 1089 } 1090 return new Bundle(); 1091 } 1092} 1093