UserManager.java revision 2b2cf72f10f13d9314a1c53386188ed48e12d47c
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.ActivityManagerNative; 19import android.content.Context; 20import android.content.pm.UserInfo; 21import android.content.res.Resources; 22import android.graphics.Bitmap; 23import android.graphics.Canvas; 24import android.graphics.Bitmap.Config; 25import android.graphics.Rect; 26import android.graphics.drawable.BitmapDrawable; 27import android.graphics.drawable.Drawable; 28import android.util.Log; 29 30import com.android.internal.R; 31 32import java.util.ArrayList; 33import java.util.List; 34 35/** 36 * Manages users and user details on a multi-user system. 37 */ 38public class UserManager { 39 40 private static String TAG = "UserManager"; 41 private final IUserManager mService; 42 private final Context mContext; 43 44 /** 45 * Key for user restrictions. Specifies if a user is disallowed from adding and removing 46 * accounts. 47 * The default value is <code>false</code>. 48 * <p/> 49 * Type: Boolean 50 * @see #setUserRestrictions(Bundle) 51 * @see #getUserRestrictions() 52 */ 53 public static final String DISALLOW_MODIFY_ACCOUNTS = "no_modify_accounts"; 54 55 /** 56 * Key for user restrictions. Specifies if a user is disallowed from changing Wi-Fi 57 * access points. 58 * The default value is <code>false</code>. 59 * <p/> 60 * Type: Boolean 61 * @see #setUserRestrictions(Bundle) 62 * @see #getUserRestrictions() 63 */ 64 public static final String DISALLOW_CONFIG_WIFI = "no_config_wifi"; 65 66 /** 67 * Key for user restrictions. Specifies if a user is disallowed from installing applications. 68 * The default value is <code>false</code>. 69 * <p/> 70 * Type: Boolean 71 * @see #setUserRestrictions(Bundle) 72 * @see #getUserRestrictions() 73 */ 74 public static final String DISALLOW_INSTALL_APPS = "no_install_apps"; 75 76 /** 77 * Key for user restrictions. Specifies if a user is disallowed from uninstalling applications. 78 * The default value is <code>false</code>. 79 * <p/> 80 * Type: Boolean 81 * @see #setUserRestrictions(Bundle) 82 * @see #getUserRestrictions() 83 */ 84 public static final String DISALLOW_UNINSTALL_APPS = "no_uninstall_apps"; 85 86 /** 87 * Key for user restrictions. Specifies if a user is disallowed from toggling location sharing. 88 * The default value is <code>false</code>. 89 * <p/> 90 * Type: Boolean 91 * @see #setUserRestrictions(Bundle) 92 * @see #getUserRestrictions() 93 */ 94 public static final String DISALLOW_SHARE_LOCATION = "no_share_location"; 95 96 /** 97 * Key for user restrictions. Specifies if a user is disallowed from enabling the 98 * "Unknown Sources" setting, that allows installation of apps from unknown sources. 99 * The default value is <code>false</code>. 100 * <p/> 101 * Type: Boolean 102 * @see #setUserRestrictions(Bundle) 103 * @see #getUserRestrictions() 104 */ 105 public static final String DISALLOW_INSTALL_UNKNOWN_SOURCES = "no_install_unknown_sources"; 106 107 /** 108 * Key for user restrictions. Specifies if a user is disallowed from configuring bluetooth. 109 * The default value is <code>false</code>. 110 * <p/> 111 * Type: Boolean 112 * @see #setUserRestrictions(Bundle) 113 * @see #getUserRestrictions() 114 */ 115 public static final String DISALLOW_CONFIG_BLUETOOTH = "no_config_bluetooth"; 116 117 /** 118 * Key for user restrictions. Specifies if a user is disallowed from transferring files over 119 * USB. The default value is <code>false</code>. 120 * <p/> 121 * Type: Boolean 122 * @see #setUserRestrictions(Bundle) 123 * @see #getUserRestrictions() 124 */ 125 public static final String DISALLOW_USB_FILE_TRANSFER = "no_usb_file_transfer"; 126 127 /** 128 * Key for user restrictions. Specifies if a user is disallowed from configuring user 129 * credentials. The default value is <code>false</code>. 130 * <p/> 131 * Type: Boolean 132 * @see #setUserRestrictions(Bundle) 133 * @see #getUserRestrictions() 134 */ 135 public static final String DISALLOW_CONFIG_CREDENTIALS = "no_config_credentials"; 136 137 /** 138 * Key for user restrictions. Specifies if a user is disallowed from removing users. 139 * The default value is <code>false</code>. 140 * <p/> 141 * Type: Boolean 142 * @see #setUserRestrictions(Bundle) 143 * @see #getUserRestrictions() 144 */ 145 public static final String DISALLOW_REMOVE_USER = "no_remove_user"; 146 147 /** 148 * Key for user restrictions. Specifies if a user is disallowed from enabling or 149 * accessing debugging features. The default value is <code>false</code>. 150 * <p/> 151 * Type: Boolean 152 * @see #setUserRestrictions(Bundle) 153 * @see #getUserRestrictions() 154 */ 155 public static final String DISALLOW_DEBUGGING_FEATURES = "no_debugging_features"; 156 157 /** 158 * Key for user restrictions. Specifies if a user is disallowed from configuring VPN. 159 * The default value is <code>false</code>. 160 * <p/> 161 * Type: Boolean 162 * @see #setUserRestrictions(Bundle) 163 * @see #getUserRestrictions() 164 */ 165 public static final String DISALLOW_CONFIG_VPN = "no_config_vpn"; 166 167 /** 168 * Key for user restrictions. Specifies if a user is disallowed from configuring Tethering 169 * & portable hotspots. The default value is <code>false</code>. 170 * <p/> 171 * Type: Boolean 172 * @see #setUserRestrictions(Bundle) 173 * @see #getUserRestrictions() 174 */ 175 public static final String DISALLOW_CONFIG_TETHERING = "no_config_tethering"; 176 177 /** 178 * Key for user restrictions. Specifies if a user is disallowed from factory resetting 179 * from Settings. 180 * The default value is <code>false</code>. 181 * <p> 182 * @see #setUserRestrictions(Bundle) 183 * @see #getUserRestrictions() 184 */ 185 public static final String DISALLOW_FACTORY_RESET = "no_factory_reset"; 186 187 /** 188 * Key for user restrictions. Specifies if a user is disallowed from adding new users and 189 * profiles. The default value is <code>false</code>. 190 * <p> 191 * Type: Boolean 192 * @see #setUserRestrictions(Bundle) 193 * @see #getUserRestrictions() 194 */ 195 public static final String DISALLOW_ADD_USER = "no_add_user"; 196 197 /** 198 * Key for user restrictions. Specifies if a user is disallowed from disabling application 199 * verification. The default value is <code>false</code>. 200 * <p> 201 * Type: Boolean 202 * @see #setUserRestrictions(Bundle) 203 * @see #getUserRestrictions() 204 */ 205 public static final String ENSURE_VERIFY_APPS = "ensure_verify_apps"; 206 207 /** 208 * Key for user restrictions. Specifies if a user is disallowed from configuring cell 209 * broadcasts. The default value is <code>false</code>. 210 * <p> 211 * Type: Boolean 212 * @see #setUserRestrictions(Bundle) 213 * @see #getUserRestrictions() 214 */ 215 public static final String DISALLOW_CONFIG_CELL_BROADCASTS = "no_config_cell_broadcasts"; 216 217 /** 218 * Key for user restrictions. Specifies if a user is disallowed from configuring mobile 219 * networks. The default value is <code>false</code>. 220 * <p> 221 * Type: Boolean 222 * @see #setUserRestrictions(Bundle) 223 * @see #getUserRestrictions() 224 */ 225 public static final String DISALLOW_CONFIG_MOBILE_NETWORKS = "no_config_mobile_networks"; 226 227 /** 228 * Key for user restrictions. Specifies if a user is disallowed from configuring 229 * applications in Settings. The default value is <code>false</code>. 230 * <p> 231 * Type: Boolean 232 * @see #setUserRestrictions(Bundle) 233 * @see #getUserRestrictions() 234 */ 235 public static final String DISALLOW_CONFIG_APPS = "no_config_apps"; 236 237 /** 238 * Key for user restrictions. Specifies if a user is disallowed from mounting 239 * physical external media. The default value is <code>false</code>. 240 * <p/> 241 * Type: Boolean 242 * @see #setUserRestrictions(Bundle) 243 * @see #getUserRestrictions() 244 */ 245 public static final String DISALLOW_MOUNT_PHYSICAL_MEDIA = "no_physical_media"; 246 247 /** 248 * Key for user restrictions. Specifies if a user is disallowed from adjusting microphone 249 * volume. 250 * The default value is <code>false</code>. 251 * <p/> 252 * Type: Boolean 253 * @see #setUserRestrictions(Bundle) 254 * @see #getUserRestrictions() 255 */ 256 public static final String DISALLOW_UNMUTE_MICROPHONE = "no_unmute_microphone"; 257 258 /** 259 * Key for user restrictions. Specifies if a user is disallowed from adjusting the master 260 * volume. 261 * The default value is <code>false</code>. 262 * <p/> 263 * Type: Boolean 264 * @see #setUserRestrictions(Bundle) 265 * @see #getUserRestrictions() 266 */ 267 public static final String DISALLOW_ADJUST_VOLUME = "no_adjust_volume"; 268 269 /** 270 * Key for user restrictions. Specifies that the user is not allowed to send or receive 271 * phone calls or text messages. Emergency calls may still be permitted. 272 * The default value is <code>false</code>. 273 * <p/> 274 * Type: Boolean 275 * @see #setUserRestrictions(Bundle) 276 * @see #getUserRestrictions() 277 */ 278 public static final String DISALLOW_TELEPHONY = "no_telephony"; 279 280 /** @hide */ 281 public static final int PIN_VERIFICATION_FAILED_INCORRECT = -3; 282 /** @hide */ 283 public static final int PIN_VERIFICATION_FAILED_NOT_SET = -2; 284 /** @hide */ 285 public static final int PIN_VERIFICATION_SUCCESS = -1; 286 287 private static UserManager sInstance = null; 288 289 /** @hide */ 290 public synchronized static UserManager get(Context context) { 291 if (sInstance == null) { 292 sInstance = (UserManager) context.getSystemService(Context.USER_SERVICE); 293 } 294 return sInstance; 295 } 296 297 /** @hide */ 298 public UserManager(Context context, IUserManager service) { 299 mService = service; 300 mContext = context; 301 } 302 303 /** 304 * Returns whether the system supports multiple users. 305 * @return true if multiple users can be created by user, false if it is a single user device. 306 * @hide 307 */ 308 public static boolean supportsMultipleUsers() { 309 return getMaxSupportedUsers() > 1 310 && SystemProperties.getBoolean("fw.show_multiuserui", 311 Resources.getSystem().getBoolean(R.bool.config_enableMultiUserUI)); 312 } 313 314 /** 315 * Returns the user handle for the user that the calling process is running on. 316 * 317 * @return the user handle of the user making this call. 318 * @hide 319 */ 320 public int getUserHandle() { 321 return UserHandle.myUserId(); 322 } 323 324 /** 325 * Returns the user name of the user making this call. This call is only 326 * available to applications on the system image; it requires the 327 * MANAGE_USERS permission. 328 * @return the user name 329 */ 330 public String getUserName() { 331 try { 332 return mService.getUserInfo(getUserHandle()).name; 333 } catch (RemoteException re) { 334 Log.w(TAG, "Could not get user name", re); 335 return ""; 336 } 337 } 338 339 /** 340 * Used to determine whether the user making this call is subject to 341 * teleportations. 342 * @return whether the user making this call is a goat 343 */ 344 public boolean isUserAGoat() { 345 return false; 346 } 347 348 /** 349 * Used to check if the user making this call is linked to another user. Linked users may have 350 * a reduced number of available apps, app restrictions and account restrictions. 351 * @return whether the user making this call is a linked user 352 * @hide 353 */ 354 public boolean isLinkedUser() { 355 try { 356 return mService.isRestricted(); 357 } catch (RemoteException re) { 358 Log.w(TAG, "Could not check if user is limited ", re); 359 return false; 360 } 361 } 362 363 /** 364 * Return whether the given user is actively running. This means that 365 * the user is in the "started" state, not "stopped" -- it is currently 366 * allowed to run code through scheduled alarms, receiving broadcasts, 367 * etc. A started user may be either the current foreground user or a 368 * background user; the result here does not distinguish between the two. 369 * @param user The user to retrieve the running state for. 370 */ 371 public boolean isUserRunning(UserHandle user) { 372 try { 373 return ActivityManagerNative.getDefault().isUserRunning( 374 user.getIdentifier(), false); 375 } catch (RemoteException e) { 376 return false; 377 } 378 } 379 380 /** 381 * Return whether the given user is actively running <em>or</em> stopping. 382 * This is like {@link #isUserRunning(UserHandle)}, but will also return 383 * true if the user had been running but is in the process of being stopped 384 * (but is not yet fully stopped, and still running some code). 385 * @param user The user to retrieve the running state for. 386 */ 387 public boolean isUserRunningOrStopping(UserHandle user) { 388 try { 389 return ActivityManagerNative.getDefault().isUserRunning( 390 user.getIdentifier(), true); 391 } catch (RemoteException e) { 392 return false; 393 } 394 } 395 396 /** 397 * Returns the UserInfo object describing a specific user. 398 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 399 * @param userHandle the user handle of the user whose information is being requested. 400 * @return the UserInfo object for a specific user. 401 * @hide 402 */ 403 public UserInfo getUserInfo(int userHandle) { 404 try { 405 return mService.getUserInfo(userHandle); 406 } catch (RemoteException re) { 407 Log.w(TAG, "Could not get user info", re); 408 return null; 409 } 410 } 411 412 /** 413 * Returns the user-wide restrictions imposed on this user. 414 * @return a Bundle containing all the restrictions. 415 */ 416 public Bundle getUserRestrictions() { 417 return getUserRestrictions(Process.myUserHandle()); 418 } 419 420 /** 421 * Returns the user-wide restrictions imposed on the user specified by <code>userHandle</code>. 422 * @param userHandle the UserHandle of the user for whom to retrieve the restrictions. 423 * @return a Bundle containing all the restrictions. 424 */ 425 public Bundle getUserRestrictions(UserHandle userHandle) { 426 try { 427 return mService.getUserRestrictions(userHandle.getIdentifier()); 428 } catch (RemoteException re) { 429 Log.w(TAG, "Could not get user restrictions", re); 430 return Bundle.EMPTY; 431 } 432 } 433 434 /** 435 * Sets all the user-wide restrictions for this user. 436 * Requires the MANAGE_USERS permission. 437 * @param restrictions the Bundle containing all the restrictions. 438 */ 439 public void setUserRestrictions(Bundle restrictions) { 440 setUserRestrictions(restrictions, Process.myUserHandle()); 441 } 442 443 /** 444 * Sets all the user-wide restrictions for the specified user. 445 * Requires the MANAGE_USERS permission. 446 * @param restrictions the Bundle containing all the restrictions. 447 * @param userHandle the UserHandle of the user for whom to set the restrictions. 448 */ 449 public void setUserRestrictions(Bundle restrictions, UserHandle userHandle) { 450 try { 451 mService.setUserRestrictions(restrictions, userHandle.getIdentifier()); 452 } catch (RemoteException re) { 453 Log.w(TAG, "Could not set user restrictions", re); 454 } 455 } 456 457 /** 458 * Sets the value of a specific restriction. 459 * Requires the MANAGE_USERS permission. 460 * @param key the key of the restriction 461 * @param value the value for the restriction 462 */ 463 public void setUserRestriction(String key, boolean value) { 464 Bundle bundle = getUserRestrictions(); 465 bundle.putBoolean(key, value); 466 setUserRestrictions(bundle); 467 } 468 469 /** 470 * @hide 471 * Sets the value of a specific restriction on a specific user. 472 * Requires the MANAGE_USERS permission. 473 * @param key the key of the restriction 474 * @param value the value for the restriction 475 * @param userHandle the user whose restriction is to be changed. 476 */ 477 public void setUserRestriction(String key, boolean value, UserHandle userHandle) { 478 Bundle bundle = getUserRestrictions(userHandle); 479 bundle.putBoolean(key, value); 480 setUserRestrictions(bundle, userHandle); 481 } 482 483 /** 484 * Returns whether the current user has been disallowed from performing certain actions 485 * or setting certain settings. 486 * 487 * @param restrictionKey The string key representing the restriction. 488 * @return {@code true} if the current user has the given restriction, {@code false} otherwise. 489 */ 490 public boolean hasUserRestriction(String restrictionKey) { 491 return hasUserRestriction(restrictionKey, Process.myUserHandle()); 492 } 493 494 /** 495 * @hide 496 * Returns whether the given user has been disallowed from performing certain actions 497 * or setting certain settings. 498 * @param restrictionKey the string key representing the restriction 499 * @param userHandle the UserHandle of the user for whom to retrieve the restrictions. 500 */ 501 public boolean hasUserRestriction(String restrictionKey, UserHandle userHandle) { 502 return getUserRestrictions(userHandle).getBoolean(restrictionKey, false); 503 } 504 505 /** 506 * Return the serial number for a user. This is a device-unique 507 * number assigned to that user; if the user is deleted and then a new 508 * user created, the new users will not be given the same serial number. 509 * @param user The user whose serial number is to be retrieved. 510 * @return The serial number of the given user; returns -1 if the 511 * given UserHandle does not exist. 512 * @see #getUserForSerialNumber(long) 513 */ 514 public long getSerialNumberForUser(UserHandle user) { 515 return getUserSerialNumber(user.getIdentifier()); 516 } 517 518 /** 519 * Return the user associated with a serial number previously 520 * returned by {@link #getSerialNumberForUser(UserHandle)}. 521 * @param serialNumber The serial number of the user that is being 522 * retrieved. 523 * @return Return the user associated with the serial number, or null 524 * if there is not one. 525 * @see #getSerialNumberForUser(UserHandle) 526 */ 527 public UserHandle getUserForSerialNumber(long serialNumber) { 528 int ident = getUserHandle((int)serialNumber); 529 return ident >= 0 ? new UserHandle(ident) : null; 530 } 531 532 /** 533 * Creates a user with the specified name and options. 534 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 535 * 536 * @param name the user's name 537 * @param flags flags that identify the type of user and other properties. 538 * @see UserInfo 539 * 540 * @return the UserInfo object for the created user, or null if the user could not be created. 541 * @hide 542 */ 543 public UserInfo createUser(String name, int flags) { 544 try { 545 return mService.createUser(name, flags); 546 } catch (RemoteException re) { 547 Log.w(TAG, "Could not create a user", re); 548 return null; 549 } 550 } 551 552 /** 553 * Creates a user with the specified name and options as a profile of another user. 554 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 555 * 556 * @param name the user's name 557 * @param flags flags that identify the type of user and other properties. 558 * @see UserInfo 559 * @param userHandle new user will be a profile of this use. 560 * 561 * @return the UserInfo object for the created user, or null if the user could not be created. 562 * @hide 563 */ 564 public UserInfo createProfileForUser(String name, int flags, int userHandle) { 565 try { 566 return mService.createProfileForUser(name, flags, userHandle); 567 } catch (RemoteException re) { 568 Log.w(TAG, "Could not create a user", re); 569 return null; 570 } 571 } 572 573 /** 574 * Sets the user as enabled, if such an user exists. 575 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 576 * Note that the default is true, it's only that managed profiles might not be enabled. 577 * 578 * @param userHandle the id of the profile to enable 579 * @hide 580 */ 581 public void setUserEnabled(int userHandle) { 582 try { 583 mService.setUserEnabled(userHandle); 584 } catch (RemoteException e) { 585 Log.w(TAG, "Could not enable the profile", e); 586 } 587 } 588 589 /** 590 * Return the number of users currently created on the device. 591 */ 592 public int getUserCount() { 593 List<UserInfo> users = getUsers(); 594 return users != null ? users.size() : 1; 595 } 596 597 /** 598 * Returns information for all users on this device. 599 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 600 * @return the list of users that were created. 601 * @hide 602 */ 603 public List<UserInfo> getUsers() { 604 try { 605 return mService.getUsers(false); 606 } catch (RemoteException re) { 607 Log.w(TAG, "Could not get user list", re); 608 return null; 609 } 610 } 611 612 /** 613 * Returns list of the profiles of userHandle including 614 * userHandle itself. 615 * Note that it this returns both enabled and not enabled profiles. See 616 * {@link #getUserProfiles()} if you need only the enabled ones. 617 * 618 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 619 * @param userHandle profiles of this user will be returned. 620 * @return the list of profiles. 621 * @hide 622 */ 623 public List<UserInfo> getProfiles(int userHandle) { 624 try { 625 return mService.getProfiles(userHandle, false /* enabledOnly */); 626 } catch (RemoteException re) { 627 Log.w(TAG, "Could not get user list", re); 628 return null; 629 } 630 } 631 632 /** 633 * Returns a list of UserHandles for profiles associated with the user that the calling process 634 * is running on, including the user itself. 635 * 636 * @return A non-empty list of UserHandles associated with the calling user. 637 */ 638 public List<UserHandle> getUserProfiles() { 639 ArrayList<UserHandle> profiles = new ArrayList<UserHandle>(); 640 List<UserInfo> users = new ArrayList<UserInfo>(); 641 try { 642 users = mService.getProfiles(UserHandle.myUserId(), true /* enabledOnly */); 643 } catch (RemoteException re) { 644 Log.w(TAG, "Could not get user list", re); 645 return null; 646 } 647 for (UserInfo info : users) { 648 UserHandle userHandle = new UserHandle(info.id); 649 profiles.add(userHandle); 650 } 651 return profiles; 652 } 653 654 /** 655 * Returns the parent of the profile which this method is called from 656 * or null if called from a user that is not a profile. 657 * 658 * @hide 659 */ 660 public UserInfo getProfileParent(int userHandle) { 661 try { 662 return mService.getProfileParent(userHandle); 663 } catch (RemoteException re) { 664 Log.w(TAG, "Could not get profile parent", re); 665 return null; 666 } 667 } 668 669 /** 670 * If the target user is a managed profile of the calling user or the caller 671 * is itself a managed profile, then this returns a badged copy of the given 672 * icon to be able to distinguish it from the original icon. 673 * <P> 674 * If the original drawable is not a BitmapDrawable, then the original 675 * drawable is returned. 676 * </P> 677 * 678 * @param icon The icon to badge. 679 * @param user The target user. 680 * @return A drawable that combines the original icon and a badge as 681 * determined by the system. 682 */ 683 public Drawable getBadgedDrawableForUser(Drawable icon, UserHandle user) { 684 int badgeResId = getBadgeResIdForUser(user.getIdentifier()); 685 if (badgeResId == 0) { 686 return icon; 687 } else { 688 Drawable badgeIcon = mContext.getPackageManager() 689 .getDrawable("system", badgeResId, null); 690 return getMergedDrawable(icon, badgeIcon); 691 } 692 } 693 694 private int getBadgeResIdForUser(int userHandle) { 695 // Return the framework-provided badge. 696 List<UserInfo> userProfiles = getProfiles(getUserHandle()); 697 for (UserInfo user : userProfiles) { 698 if (user.id == userHandle 699 && user.isManagedProfile()) { 700 return com.android.internal.R.drawable.ic_corp_badge; 701 } 702 } 703 return 0; 704 } 705 706 private Drawable getMergedDrawable(Drawable icon, Drawable badge) { 707 final int width = icon.getIntrinsicWidth(); 708 final int height = icon.getIntrinsicHeight(); 709 Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888); 710 Canvas canvas = new Canvas(bitmap); 711 icon.setBounds(0, 0, width, height); 712 icon.draw(canvas); 713 badge.setBounds(0, 0, width, height); 714 badge.draw(canvas); 715 BitmapDrawable merged = new BitmapDrawable(bitmap); 716 if (icon instanceof BitmapDrawable) { 717 merged.setTargetDensity(((BitmapDrawable) icon).getBitmap().getDensity()); 718 } 719 return merged; 720 } 721 722 /** 723 * Returns information for all users on this device. Requires 724 * {@link android.Manifest.permission#MANAGE_USERS} permission. 725 * 726 * @param excludeDying specify if the list should exclude users being 727 * removed. 728 * @return the list of users that were created. 729 * @hide 730 */ 731 public List<UserInfo> getUsers(boolean excludeDying) { 732 try { 733 return mService.getUsers(excludeDying); 734 } catch (RemoteException re) { 735 Log.w(TAG, "Could not get user list", re); 736 return null; 737 } 738 } 739 740 /** 741 * Removes a user and all associated data. 742 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 743 * @param userHandle the integer handle of the user, where 0 is the primary user. 744 * @hide 745 */ 746 public boolean removeUser(int userHandle) { 747 try { 748 return mService.removeUser(userHandle); 749 } catch (RemoteException re) { 750 Log.w(TAG, "Could not remove user ", re); 751 return false; 752 } 753 } 754 755 /** 756 * Updates the user's name. 757 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 758 * 759 * @param userHandle the user's integer handle 760 * @param name the new name for the user 761 * @hide 762 */ 763 public void setUserName(int userHandle, String name) { 764 try { 765 mService.setUserName(userHandle, name); 766 } catch (RemoteException re) { 767 Log.w(TAG, "Could not set the user name ", re); 768 } 769 } 770 771 /** 772 * Sets the user's photo. 773 * @param userHandle the user for whom to change the photo. 774 * @param icon the bitmap to set as the photo. 775 * @hide 776 */ 777 public void setUserIcon(int userHandle, Bitmap icon) { 778 try { 779 mService.setUserIcon(userHandle, icon); 780 } catch (RemoteException re) { 781 Log.w(TAG, "Could not set the user icon ", re); 782 } 783 } 784 785 /** 786 * Returns a file descriptor for the user's photo. PNG data can be read from this file. 787 * @param userHandle the user whose photo we want to read. 788 * @return a {@link Bitmap} of the user's photo, or null if there's no photo. 789 * @hide 790 */ 791 public Bitmap getUserIcon(int userHandle) { 792 try { 793 return mService.getUserIcon(userHandle); 794 } catch (RemoteException re) { 795 Log.w(TAG, "Could not get the user icon ", re); 796 return null; 797 } 798 } 799 800 /** 801 * Enable or disable the use of a guest account. If disabled, the existing guest account 802 * will be wiped. 803 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 804 * @param enable whether to enable a guest account. 805 * @hide 806 */ 807 public void setGuestEnabled(boolean enable) { 808 try { 809 mService.setGuestEnabled(enable); 810 } catch (RemoteException re) { 811 Log.w(TAG, "Could not change guest account availability to " + enable); 812 } 813 } 814 815 /** 816 * Checks if a guest user is enabled for this device. 817 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 818 * @return whether a guest user is enabled 819 * @hide 820 */ 821 public boolean isGuestEnabled() { 822 try { 823 return mService.isGuestEnabled(); 824 } catch (RemoteException re) { 825 Log.w(TAG, "Could not retrieve guest enabled state"); 826 return false; 827 } 828 } 829 830 /** 831 * Wipes all the data for a user, but doesn't remove the user. 832 * Requires {@link android.Manifest.permission#MANAGE_USERS} permission. 833 * @param userHandle 834 * @hide 835 */ 836 public void wipeUser(int userHandle) { 837 try { 838 mService.wipeUser(userHandle); 839 } catch (RemoteException re) { 840 Log.w(TAG, "Could not wipe user " + userHandle); 841 } 842 } 843 844 /** 845 * Returns the maximum number of users that can be created on this device. A return value 846 * of 1 means that it is a single user device. 847 * @hide 848 * @return a value greater than or equal to 1 849 */ 850 public static int getMaxSupportedUsers() { 851 // Don't allow multiple users on certain builds 852 if (android.os.Build.ID.startsWith("JVP")) return 1; 853 return SystemProperties.getInt("fw.max_users", 854 Resources.getSystem().getInteger(R.integer.config_multiuserMaximumUsers)); 855 } 856 857 /** 858 * Returns true if the user switcher should be shown, this will be if there 859 * are multiple users that aren't managed profiles. 860 * @hide 861 * @return true if user switcher should be shown. 862 */ 863 public boolean isUserSwitcherEnabled() { 864 List<UserInfo> users = getUsers(true); 865 if (users == null) { 866 return false; 867 } 868 int switchableUserCount = 0; 869 for (UserInfo user : users) { 870 if (user.supportsSwitchTo()) { 871 ++switchableUserCount; 872 } 873 } 874 return switchableUserCount > 1; 875 } 876 877 /** 878 * Returns a serial number on this device for a given userHandle. User handles can be recycled 879 * when deleting and creating users, but serial numbers are not reused until the device is wiped. 880 * @param userHandle 881 * @return a serial number associated with that user, or -1 if the userHandle is not valid. 882 * @hide 883 */ 884 public int getUserSerialNumber(int userHandle) { 885 try { 886 return mService.getUserSerialNumber(userHandle); 887 } catch (RemoteException re) { 888 Log.w(TAG, "Could not get serial number for user " + userHandle); 889 } 890 return -1; 891 } 892 893 /** 894 * Returns a userHandle on this device for a given user serial number. User handles can be 895 * recycled when deleting and creating users, but serial numbers are not reused until the device 896 * is wiped. 897 * @param userSerialNumber 898 * @return the userHandle associated with that user serial number, or -1 if the serial number 899 * is not valid. 900 * @hide 901 */ 902 public int getUserHandle(int userSerialNumber) { 903 try { 904 return mService.getUserHandle(userSerialNumber); 905 } catch (RemoteException re) { 906 Log.w(TAG, "Could not get userHandle for user " + userSerialNumber); 907 } 908 return -1; 909 } 910 911 /** 912 * Returns a Bundle containing any saved application restrictions for this user, for the 913 * given package name. Only an application with this package name can call this method. 914 * @param packageName the package name of the calling application 915 * @return a Bundle with the restrictions as key/value pairs, or null if there are no 916 * saved restrictions. The values can be of type Boolean, String or String[], depending 917 * on the restriction type, as defined by the application. 918 */ 919 public Bundle getApplicationRestrictions(String packageName) { 920 try { 921 return mService.getApplicationRestrictions(packageName); 922 } catch (RemoteException re) { 923 Log.w(TAG, "Could not get application restrictions for package " + packageName); 924 } 925 return null; 926 } 927 928 /** 929 * @hide 930 */ 931 public Bundle getApplicationRestrictions(String packageName, UserHandle user) { 932 try { 933 return mService.getApplicationRestrictionsForUser(packageName, user.getIdentifier()); 934 } catch (RemoteException re) { 935 Log.w(TAG, "Could not get application restrictions for user " + user.getIdentifier()); 936 } 937 return null; 938 } 939 940 /** 941 * @hide 942 */ 943 public void setApplicationRestrictions(String packageName, Bundle restrictions, 944 UserHandle user) { 945 try { 946 mService.setApplicationRestrictions(packageName, restrictions, user.getIdentifier()); 947 } catch (RemoteException re) { 948 Log.w(TAG, "Could not set application restrictions for user " + user.getIdentifier()); 949 } 950 } 951 952 /** 953 * Sets a new challenge PIN for restrictions. This is only for use by pre-installed 954 * apps and requires the MANAGE_USERS permission. 955 * @param newPin the PIN to use for challenge dialogs. 956 * @return Returns true if the challenge PIN was set successfully. 957 */ 958 public boolean setRestrictionsChallenge(String newPin) { 959 try { 960 return mService.setRestrictionsChallenge(newPin); 961 } catch (RemoteException re) { 962 Log.w(TAG, "Could not change restrictions pin"); 963 } 964 return false; 965 } 966 967 /** 968 * @hide 969 * @param pin The PIN to verify, or null to get the number of milliseconds to wait for before 970 * allowing the user to enter the PIN. 971 * @return Returns a positive number (including zero) for how many milliseconds before 972 * you can accept another PIN, when the input is null or the input doesn't match the saved PIN. 973 * Returns {@link #PIN_VERIFICATION_SUCCESS} if the input matches the saved PIN. Returns 974 * {@link #PIN_VERIFICATION_FAILED_NOT_SET} if there is no PIN set. 975 */ 976 public int checkRestrictionsChallenge(String pin) { 977 try { 978 return mService.checkRestrictionsChallenge(pin); 979 } catch (RemoteException re) { 980 Log.w(TAG, "Could not check restrictions pin"); 981 } 982 return PIN_VERIFICATION_FAILED_INCORRECT; 983 } 984 985 /** 986 * @hide 987 * Checks whether the user has restrictions that are PIN-protected. An application that 988 * participates in restrictions can check if the owner has requested a PIN challenge for 989 * any restricted operations. If there is a PIN in effect, the application should launch 990 * the PIN challenge activity {@link android.content.Intent#ACTION_RESTRICTIONS_CHALLENGE}. 991 * @see android.content.Intent#ACTION_RESTRICTIONS_CHALLENGE 992 * @return whether a restrictions PIN is in effect. 993 */ 994 public boolean hasRestrictionsChallenge() { 995 try { 996 return mService.hasRestrictionsChallenge(); 997 } catch (RemoteException re) { 998 Log.w(TAG, "Could not change restrictions pin"); 999 } 1000 return false; 1001 } 1002 1003 /** @hide */ 1004 public void removeRestrictions() { 1005 try { 1006 mService.removeRestrictions(); 1007 } catch (RemoteException re) { 1008 Log.w(TAG, "Could not change restrictions pin"); 1009 } 1010 } 1011} 1012