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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.os;
import android.annotation.SystemApi;
import android.app.ActivityManager;
import android.app.ActivityManagerNative;
import android.content.Context;
import android.content.pm.UserInfo;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.provider.Settings;
import android.util.Log;
import android.view.WindowManager.LayoutParams;
import com.android.internal.R;
import java.util.ArrayList;
import java.util.List;
/**
* Manages users and user details on a multi-user system.
*/
public class UserManager {
private static String TAG = "UserManager";
private final IUserManager mService;
private final Context mContext;
/**
* Specifies if a user is disallowed from adding and removing accounts.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_MODIFY_ACCOUNTS = "no_modify_accounts";
/**
* Specifies if a user is disallowed from changing Wi-Fi
* access points. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CONFIG_WIFI = "no_config_wifi";
/**
* Specifies if a user is disallowed from installing applications.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_INSTALL_APPS = "no_install_apps";
/**
* Specifies if a user is disallowed from uninstalling applications.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_UNINSTALL_APPS = "no_uninstall_apps";
/**
* Specifies if a user is disallowed from toggling location sharing.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_SHARE_LOCATION = "no_share_location";
/**
* Specifies if a user is disallowed from enabling the
* "Unknown Sources" setting, that allows installation of apps from unknown sources.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_INSTALL_UNKNOWN_SOURCES = "no_install_unknown_sources";
/**
* Specifies if a user is disallowed from configuring bluetooth.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CONFIG_BLUETOOTH = "no_config_bluetooth";
/**
* Specifies if a user is disallowed from transferring files over
* USB. This can only be set by device owners and profile owners on the primary user.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_USB_FILE_TRANSFER = "no_usb_file_transfer";
/**
* Specifies if a user is disallowed from configuring user
* credentials. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CONFIG_CREDENTIALS = "no_config_credentials";
/**
* Specifies if a user is disallowed from removing itself and other
* users. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_REMOVE_USER = "no_remove_user";
/**
* Specifies if a user is disallowed from enabling or
* accessing debugging features. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_DEBUGGING_FEATURES = "no_debugging_features";
/**
* Specifies if a user is disallowed from configuring VPN.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CONFIG_VPN = "no_config_vpn";
/**
* Specifies if a user is disallowed from configuring Tethering
* & portable hotspots. This can only be set by device owners and profile owners on the
* primary user. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CONFIG_TETHERING = "no_config_tethering";
/**
* Specifies if a user is disallowed from factory resetting
* from Settings. This can only be set by device owners and profile owners on the primary user.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_FACTORY_RESET = "no_factory_reset";
/**
* Specifies if a user is disallowed from adding new users and
* profiles. This can only be set by device owners and profile owners on the primary user.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_ADD_USER = "no_add_user";
/**
* Specifies if a user is disallowed from disabling application
* verification. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String ENSURE_VERIFY_APPS = "ensure_verify_apps";
/**
* Specifies if a user is disallowed from configuring cell
* broadcasts. This can only be set by device owners and profile owners on the primary user.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CONFIG_CELL_BROADCASTS = "no_config_cell_broadcasts";
/**
* Specifies if a user is disallowed from configuring mobile
* networks. This can only be set by device owners and profile owners on the primary user.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CONFIG_MOBILE_NETWORKS = "no_config_mobile_networks";
/**
* Specifies if a user is disallowed from modifying
* applications in Settings or launchers. The following actions will not be allowed when this
* restriction is enabled:
* uninstalling apps
* disabling apps
* clearing app caches
* clearing app data
* force stopping apps
* clearing app defaults
*
* The default value is false.
*
*
Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_APPS_CONTROL = "no_control_apps";
/**
* Specifies if a user is disallowed from mounting
* physical external media. This can only be set by device owners and profile owners on the
* primary user. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_MOUNT_PHYSICAL_MEDIA = "no_physical_media";
/**
* Specifies if a user is disallowed from adjusting microphone
* volume. If set, the microphone will be muted. This can only be set by device owners
* and profile owners on the primary user. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_UNMUTE_MICROPHONE = "no_unmute_microphone";
/**
* Specifies if a user is disallowed from adjusting the master
* volume. If set, the master volume will be muted. This can only be set by device owners
* and profile owners on the primary user. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_ADJUST_VOLUME = "no_adjust_volume";
/**
* Specifies that the user is not allowed to make outgoing
* phone calls. Emergency calls are still permitted.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_OUTGOING_CALLS = "no_outgoing_calls";
/**
* Specifies that the user is not allowed to send or receive
* SMS messages. The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_SMS = "no_sms";
/**
* Specifies that windows besides app windows should not be
* created. This will block the creation of the following types of windows.
* {@link LayoutParams#TYPE_TOAST}
* {@link LayoutParams#TYPE_PHONE}
* {@link LayoutParams#TYPE_PRIORITY_PHONE}
* {@link LayoutParams#TYPE_SYSTEM_ALERT}
* {@link LayoutParams#TYPE_SYSTEM_ERROR}
* {@link LayoutParams#TYPE_SYSTEM_OVERLAY}
*
* This can only be set by device owners and profile owners on the primary user.
* The default value is false.
*
*
Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CREATE_WINDOWS = "no_create_windows";
/**
* Specifies if what is copied in the clipboard of this profile can
* be pasted in related profiles. Does not restrict if the clipboard of related profiles can be
* pasted in this profile.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
*/
public static final String DISALLOW_CROSS_PROFILE_COPY_PASTE = "no_cross_profile_copy_paste";
/**
* Specifies if the user is not allowed to use NFC to beam out data from apps.
* The default value is false.
*
* Key for user restrictions.
* Type: Boolean
* @see #setUserRestrictions(Bundle)
* @see #getUserRestrictions()
* @hide
*/
public static final String DISALLOW_OUTGOING_BEAM = "no_outgoing_beam";
/** @hide */
public static final int PIN_VERIFICATION_FAILED_INCORRECT = -3;
/** @hide */
public static final int PIN_VERIFICATION_FAILED_NOT_SET = -2;
/** @hide */
public static final int PIN_VERIFICATION_SUCCESS = -1;
private static UserManager sInstance = null;
/** @hide */
public synchronized static UserManager get(Context context) {
if (sInstance == null) {
sInstance = (UserManager) context.getSystemService(Context.USER_SERVICE);
}
return sInstance;
}
/** @hide */
public UserManager(Context context, IUserManager service) {
mService = service;
mContext = context;
}
/**
* Returns whether the system supports multiple users.
* @return true if multiple users can be created by user, false if it is a single user device.
* @hide
*/
public static boolean supportsMultipleUsers() {
return getMaxSupportedUsers() > 1
&& SystemProperties.getBoolean("fw.show_multiuserui",
Resources.getSystem().getBoolean(R.bool.config_enableMultiUserUI));
}
/**
* Returns the user handle for the user that the calling process is running on.
*
* @return the user handle of the user making this call.
* @hide
*/
public int getUserHandle() {
return UserHandle.myUserId();
}
/**
* Returns the user name of the user making this call. This call is only
* available to applications on the system image; it requires the
* MANAGE_USERS permission.
* @return the user name
*/
public String getUserName() {
try {
return mService.getUserInfo(getUserHandle()).name;
} catch (RemoteException re) {
Log.w(TAG, "Could not get user name", re);
return "";
}
}
/**
* Used to determine whether the user making this call is subject to
* teleportations.
*
* As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method can
* now automatically identify goats using advanced goat recognition technology.
*
* @return Returns true if the user making this call is a goat.
*/
public boolean isUserAGoat() {
return mContext.getPackageManager()
.isPackageAvailable("com.coffeestainstudios.goatsimulator");
}
/**
* Used to check if the user making this call is linked to another user. Linked users may have
* a reduced number of available apps, app restrictions and account restrictions.
* @return whether the user making this call is a linked user
* @hide
*/
public boolean isLinkedUser() {
try {
return mService.isRestricted();
} catch (RemoteException re) {
Log.w(TAG, "Could not check if user is limited ", re);
return false;
}
}
/**
* Checks if the calling app is running as a guest user.
* @return whether the caller is a guest user.
* @hide
*/
public boolean isGuestUser() {
UserInfo user = getUserInfo(UserHandle.myUserId());
return user != null ? user.isGuest() : false;
}
/**
* Checks if the calling app is running in a managed profile.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
*
* @return whether the caller is in a managed profile.
* @hide
*/
@SystemApi
public boolean isManagedProfile() {
UserInfo user = getUserInfo(UserHandle.myUserId());
return user != null ? user.isManagedProfile() : false;
}
/**
* Return whether the given user is actively running. This means that
* the user is in the "started" state, not "stopped" -- it is currently
* allowed to run code through scheduled alarms, receiving broadcasts,
* etc. A started user may be either the current foreground user or a
* background user; the result here does not distinguish between the two.
* @param user The user to retrieve the running state for.
*/
public boolean isUserRunning(UserHandle user) {
try {
return ActivityManagerNative.getDefault().isUserRunning(
user.getIdentifier(), false);
} catch (RemoteException e) {
return false;
}
}
/**
* Return whether the given user is actively running or stopping.
* This is like {@link #isUserRunning(UserHandle)}, but will also return
* true if the user had been running but is in the process of being stopped
* (but is not yet fully stopped, and still running some code).
* @param user The user to retrieve the running state for.
*/
public boolean isUserRunningOrStopping(UserHandle user) {
try {
return ActivityManagerNative.getDefault().isUserRunning(
user.getIdentifier(), true);
} catch (RemoteException e) {
return false;
}
}
/**
* Returns the UserInfo object describing a specific user.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
* @param userHandle the user handle of the user whose information is being requested.
* @return the UserInfo object for a specific user.
* @hide
*/
public UserInfo getUserInfo(int userHandle) {
try {
return mService.getUserInfo(userHandle);
} catch (RemoteException re) {
Log.w(TAG, "Could not get user info", re);
return null;
}
}
/**
* Returns the user-wide restrictions imposed on this user.
* @return a Bundle containing all the restrictions.
*/
public Bundle getUserRestrictions() {
return getUserRestrictions(Process.myUserHandle());
}
/**
* Returns the user-wide restrictions imposed on the user specified by userHandle.
* @param userHandle the UserHandle of the user for whom to retrieve the restrictions.
* @return a Bundle containing all the restrictions.
*/
public Bundle getUserRestrictions(UserHandle userHandle) {
try {
return mService.getUserRestrictions(userHandle.getIdentifier());
} catch (RemoteException re) {
Log.w(TAG, "Could not get user restrictions", re);
return Bundle.EMPTY;
}
}
/**
* Sets all the user-wide restrictions for this user.
* Requires the MANAGE_USERS permission.
* @param restrictions the Bundle containing all the restrictions.
* @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction(
* android.content.ComponentName, String)} or
* {@link android.app.admin.DevicePolicyManager#clearUserRestriction(
* android.content.ComponentName, String)} instead.
*/
@Deprecated
public void setUserRestrictions(Bundle restrictions) {
setUserRestrictions(restrictions, Process.myUserHandle());
}
/**
* Sets all the user-wide restrictions for the specified user.
* Requires the MANAGE_USERS permission.
* @param restrictions the Bundle containing all the restrictions.
* @param userHandle the UserHandle of the user for whom to set the restrictions.
* @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction(
* android.content.ComponentName, String)} or
* {@link android.app.admin.DevicePolicyManager#clearUserRestriction(
* android.content.ComponentName, String)} instead.
*/
@Deprecated
public void setUserRestrictions(Bundle restrictions, UserHandle userHandle) {
try {
mService.setUserRestrictions(restrictions, userHandle.getIdentifier());
} catch (RemoteException re) {
Log.w(TAG, "Could not set user restrictions", re);
}
}
/**
* Sets the value of a specific restriction.
* Requires the MANAGE_USERS permission.
* @param key the key of the restriction
* @param value the value for the restriction
* @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction(
* android.content.ComponentName, String)} or
* {@link android.app.admin.DevicePolicyManager#clearUserRestriction(
* android.content.ComponentName, String)} instead.
*/
@Deprecated
public void setUserRestriction(String key, boolean value) {
Bundle bundle = getUserRestrictions();
bundle.putBoolean(key, value);
setUserRestrictions(bundle);
}
/**
* @hide
* Sets the value of a specific restriction on a specific user.
* Requires the MANAGE_USERS permission.
* @param key the key of the restriction
* @param value the value for the restriction
* @param userHandle the user whose restriction is to be changed.
* @deprecated use {@link android.app.admin.DevicePolicyManager#addUserRestriction(
* android.content.ComponentName, String)} or
* {@link android.app.admin.DevicePolicyManager#clearUserRestriction(
* android.content.ComponentName, String)} instead.
*/
@Deprecated
public void setUserRestriction(String key, boolean value, UserHandle userHandle) {
Bundle bundle = getUserRestrictions(userHandle);
bundle.putBoolean(key, value);
setUserRestrictions(bundle, userHandle);
}
/**
* Returns whether the current user has been disallowed from performing certain actions
* or setting certain settings.
*
* @param restrictionKey The string key representing the restriction.
* @return {@code true} if the current user has the given restriction, {@code false} otherwise.
*/
public boolean hasUserRestriction(String restrictionKey) {
return hasUserRestriction(restrictionKey, Process.myUserHandle());
}
/**
* @hide
* Returns whether the given user has been disallowed from performing certain actions
* or setting certain settings.
* @param restrictionKey the string key representing the restriction
* @param userHandle the UserHandle of the user for whom to retrieve the restrictions.
*/
public boolean hasUserRestriction(String restrictionKey, UserHandle userHandle) {
try {
return mService.hasUserRestriction(restrictionKey,
userHandle.getIdentifier());
} catch (RemoteException re) {
Log.w(TAG, "Could not check user restrictions", re);
return false;
}
}
/**
* Return the serial number for a user. This is a device-unique
* number assigned to that user; if the user is deleted and then a new
* user created, the new users will not be given the same serial number.
* @param user The user whose serial number is to be retrieved.
* @return The serial number of the given user; returns -1 if the
* given UserHandle does not exist.
* @see #getUserForSerialNumber(long)
*/
public long getSerialNumberForUser(UserHandle user) {
return getUserSerialNumber(user.getIdentifier());
}
/**
* Return the user associated with a serial number previously
* returned by {@link #getSerialNumberForUser(UserHandle)}.
* @param serialNumber The serial number of the user that is being
* retrieved.
* @return Return the user associated with the serial number, or null
* if there is not one.
* @see #getSerialNumberForUser(UserHandle)
*/
public UserHandle getUserForSerialNumber(long serialNumber) {
int ident = getUserHandle((int)serialNumber);
return ident >= 0 ? new UserHandle(ident) : null;
}
/**
* Creates a user with the specified name and options.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
*
* @param name the user's name
* @param flags flags that identify the type of user and other properties.
* @see UserInfo
*
* @return the UserInfo object for the created user, or null if the user could not be created.
* @hide
*/
public UserInfo createUser(String name, int flags) {
try {
return mService.createUser(name, flags);
} catch (RemoteException re) {
Log.w(TAG, "Could not create a user", re);
return null;
}
}
/**
* Creates a guest user and configures it.
* @param context an application context
* @param name the name to set for the user
* @hide
*/
public UserInfo createGuest(Context context, String name) {
UserInfo guest = createUser(name, UserInfo.FLAG_GUEST);
if (guest != null) {
Settings.Secure.putStringForUser(context.getContentResolver(),
Settings.Secure.SKIP_FIRST_USE_HINTS, "1", guest.id);
try {
Bundle guestRestrictions = mService.getDefaultGuestRestrictions();
guestRestrictions.putBoolean(DISALLOW_SMS, true);
guestRestrictions.putBoolean(DISALLOW_INSTALL_UNKNOWN_SOURCES, true);
mService.setUserRestrictions(guestRestrictions, guest.id);
} catch (RemoteException re) {
Log.w(TAG, "Could not update guest restrictions");
}
}
return guest;
}
/**
* Creates a secondary user with the specified name and options and configures it with default
* restrictions.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
*
* @param name the user's name
* @param flags flags that identify the type of user and other properties.
* @see UserInfo
*
* @return the UserInfo object for the created user, or null if the user could not be created.
* @hide
*/
public UserInfo createSecondaryUser(String name, int flags) {
try {
UserInfo user = mService.createUser(name, flags);
if (user == null) {
return null;
}
Bundle userRestrictions = mService.getUserRestrictions(user.id);
addDefaultUserRestrictions(userRestrictions);
mService.setUserRestrictions(userRestrictions, user.id);
return user;
} catch (RemoteException re) {
Log.w(TAG, "Could not create a user", re);
return null;
}
}
private static void addDefaultUserRestrictions(Bundle restrictions) {
restrictions.putBoolean(DISALLOW_OUTGOING_CALLS, true);
restrictions.putBoolean(DISALLOW_SMS, true);
}
/**
* Creates a user with the specified name and options as a profile of another user.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
*
* @param name the user's name
* @param flags flags that identify the type of user and other properties.
* @see UserInfo
* @param userHandle new user will be a profile of this use.
*
* @return the UserInfo object for the created user, or null if the user could not be created.
* @hide
*/
public UserInfo createProfileForUser(String name, int flags, int userHandle) {
try {
return mService.createProfileForUser(name, flags, userHandle);
} catch (RemoteException re) {
Log.w(TAG, "Could not create a user", re);
return null;
}
}
/**
* @hide
* Marks the guest user for deletion to allow a new guest to be created before deleting
* the current user who is a guest.
* @param userHandle
* @return
*/
public boolean markGuestForDeletion(int userHandle) {
try {
return mService.markGuestForDeletion(userHandle);
} catch (RemoteException re) {
Log.w(TAG, "Could not mark guest for deletion", re);
return false;
}
}
/**
* Sets the user as enabled, if such an user exists.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
* Note that the default is true, it's only that managed profiles might not be enabled.
*
* @param userHandle the id of the profile to enable
* @hide
*/
public void setUserEnabled(int userHandle) {
try {
mService.setUserEnabled(userHandle);
} catch (RemoteException e) {
Log.w(TAG, "Could not enable the profile", e);
}
}
/**
* Return the number of users currently created on the device.
*/
public int getUserCount() {
List users = getUsers();
return users != null ? users.size() : 1;
}
/**
* Returns information for all users on this device.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
* @return the list of users that were created.
* @hide
*/
public List getUsers() {
try {
return mService.getUsers(false);
} catch (RemoteException re) {
Log.w(TAG, "Could not get user list", re);
return null;
}
}
/**
* Checks whether it's possible to add more users. Caller must hold the MANAGE_USERS
* permission.
*
* @return true if more users can be added, false if limit has been reached.
* @hide
*/
public boolean canAddMoreUsers() {
final List users = getUsers(true);
final int totalUserCount = users.size();
int aliveUserCount = 0;
for (int i = 0; i < totalUserCount; i++) {
UserInfo user = users.get(i);
if (!user.isGuest()) {
aliveUserCount++;
}
}
return aliveUserCount < getMaxSupportedUsers();
}
/**
* Returns list of the profiles of userHandle including
* userHandle itself.
* Note that this returns both enabled and not enabled profiles. See
* {@link #getUserProfiles()} if you need only the enabled ones.
*
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
* @param userHandle profiles of this user will be returned.
* @return the list of profiles.
* @hide
*/
public List getProfiles(int userHandle) {
try {
return mService.getProfiles(userHandle, false /* enabledOnly */);
} catch (RemoteException re) {
Log.w(TAG, "Could not get user list", re);
return null;
}
}
/**
* Returns a list of UserHandles for profiles associated with the user that the calling process
* is running on, including the user itself.
*
* @return A non-empty list of UserHandles associated with the calling user.
*/
public List getUserProfiles() {
ArrayList profiles = new ArrayList();
List users = new ArrayList();
try {
users = mService.getProfiles(UserHandle.myUserId(), true /* enabledOnly */);
} catch (RemoteException re) {
Log.w(TAG, "Could not get user list", re);
return null;
}
for (UserInfo info : users) {
UserHandle userHandle = new UserHandle(info.id);
profiles.add(userHandle);
}
return profiles;
}
/**
* Returns the parent of the profile which this method is called from
* or null if called from a user that is not a profile.
*
* @hide
*/
public UserInfo getProfileParent(int userHandle) {
try {
return mService.getProfileParent(userHandle);
} catch (RemoteException re) {
Log.w(TAG, "Could not get profile parent", re);
return null;
}
}
/**
* If the target user is a managed profile of the calling user or the caller
* is itself a managed profile, then this returns a badged copy of the given
* icon to be able to distinguish it from the original icon. For badging an
* arbitrary drawable use {@link #getBadgedDrawableForUser(
* android.graphics.drawable.Drawable, UserHandle, android.graphics.Rect, int)}.
*
* If the original drawable is a BitmapDrawable and the backing bitmap is
* mutable as per {@link android.graphics.Bitmap#isMutable()}, the bading
* is performed in place and the original drawable is returned.
*
*
* @param icon The icon to badge.
* @param user The target user.
* @return A drawable that combines the original icon and a badge as
* determined by the system.
* @removed
*/
public Drawable getBadgedIconForUser(Drawable icon, UserHandle user) {
return mContext.getPackageManager().getUserBadgedIcon(icon, user);
}
/**
* If the target user is a managed profile of the calling user or the caller
* is itself a managed profile, then this returns a badged copy of the given
* drawable allowing the user to distinguish it from the original drawable.
* The caller can specify the location in the bounds of the drawable to be
* badged where the badge should be applied as well as the density of the
* badge to be used.
*
* If the original drawable is a BitmapDrawable and the backing bitmap is
* mutable as per {@link android.graphics.Bitmap#isMutable()}, the bading
* is performed in place and the original drawable is returned.
*
*
* @param badgedDrawable The drawable to badge.
* @param user The target user.
* @param badgeLocation Where in the bounds of the badged drawable to place
* the badge. If not provided, the badge is applied on top of the entire
* drawable being badged.
* @param badgeDensity The optional desired density for the badge as per
* {@link android.util.DisplayMetrics#densityDpi}. If not provided,
* the density of the display is used.
* @return A drawable that combines the original drawable and a badge as
* determined by the system.
* @removed
*/
public Drawable getBadgedDrawableForUser(Drawable badgedDrawable, UserHandle user,
Rect badgeLocation, int badgeDensity) {
return mContext.getPackageManager().getUserBadgedDrawableForDensity(badgedDrawable, user,
badgeLocation, badgeDensity);
}
/**
* If the target user is a managed profile of the calling user or the caller
* is itself a managed profile, then this returns a copy of the label with
* badging for accessibility services like talkback. E.g. passing in "Email"
* and it might return "Work Email" for Email in the work profile.
*
* @param label The label to change.
* @param user The target user.
* @return A label that combines the original label and a badge as
* determined by the system.
* @removed
*/
public CharSequence getBadgedLabelForUser(CharSequence label, UserHandle user) {
return mContext.getPackageManager().getUserBadgedLabel(label, user);
}
/**
* Returns information for all users on this device. Requires
* {@link android.Manifest.permission#MANAGE_USERS} permission.
*
* @param excludeDying specify if the list should exclude users being
* removed.
* @return the list of users that were created.
* @hide
*/
public List getUsers(boolean excludeDying) {
try {
return mService.getUsers(excludeDying);
} catch (RemoteException re) {
Log.w(TAG, "Could not get user list", re);
return null;
}
}
/**
* Removes a user and all associated data.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
* @param userHandle the integer handle of the user, where 0 is the primary user.
* @hide
*/
public boolean removeUser(int userHandle) {
try {
return mService.removeUser(userHandle);
} catch (RemoteException re) {
Log.w(TAG, "Could not remove user ", re);
return false;
}
}
/**
* Updates the user's name.
* Requires {@link android.Manifest.permission#MANAGE_USERS} permission.
*
* @param userHandle the user's integer handle
* @param name the new name for the user
* @hide
*/
public void setUserName(int userHandle, String name) {
try {
mService.setUserName(userHandle, name);
} catch (RemoteException re) {
Log.w(TAG, "Could not set the user name ", re);
}
}
/**
* Sets the user's photo.
* @param userHandle the user for whom to change the photo.
* @param icon the bitmap to set as the photo.
* @hide
*/
public void setUserIcon(int userHandle, Bitmap icon) {
try {
mService.setUserIcon(userHandle, icon);
} catch (RemoteException re) {
Log.w(TAG, "Could not set the user icon ", re);
}
}
/**
* Returns a file descriptor for the user's photo. PNG data can be read from this file.
* @param userHandle the user whose photo we want to read.
* @return a {@link Bitmap} of the user's photo, or null if there's no photo.
* @see com.android.internal.util.UserIcons#getDefaultUserIcon for a default.
* @hide
*/
public Bitmap getUserIcon(int userHandle) {
try {
return mService.getUserIcon(userHandle);
} catch (RemoteException re) {
Log.w(TAG, "Could not get the user icon ", re);
return null;
}
}
/**
* Returns the maximum number of users that can be created on this device. A return value
* of 1 means that it is a single user device.
* @hide
* @return a value greater than or equal to 1
*/
public static int getMaxSupportedUsers() {
// Don't allow multiple users on certain builds
if (android.os.Build.ID.startsWith("JVP")) return 1;
// Svelte devices don't get multi-user.
if (ActivityManager.isLowRamDeviceStatic()) return 1;
return SystemProperties.getInt("fw.max_users",
Resources.getSystem().getInteger(R.integer.config_multiuserMaximumUsers));
}
/**
* Returns true if the user switcher should be shown, this will be if there
* are multiple users that aren't managed profiles.
* @hide
* @return true if user switcher should be shown.
*/
public boolean isUserSwitcherEnabled() {
List users = getUsers(true);
if (users == null) {
return false;
}
int switchableUserCount = 0;
for (UserInfo user : users) {
if (user.supportsSwitchTo()) {
++switchableUserCount;
}
}
final boolean guestEnabled = Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.GUEST_USER_ENABLED, 0) == 1;
return switchableUserCount > 1 || guestEnabled;
}
/**
* Returns a serial number on this device for a given userHandle. User handles can be recycled
* when deleting and creating users, but serial numbers are not reused until the device is wiped.
* @param userHandle
* @return a serial number associated with that user, or -1 if the userHandle is not valid.
* @hide
*/
public int getUserSerialNumber(int userHandle) {
try {
return mService.getUserSerialNumber(userHandle);
} catch (RemoteException re) {
Log.w(TAG, "Could not get serial number for user " + userHandle);
}
return -1;
}
/**
* Returns a userHandle on this device for a given user serial number. User handles can be
* recycled when deleting and creating users, but serial numbers are not reused until the device
* is wiped.
* @param userSerialNumber
* @return the userHandle associated with that user serial number, or -1 if the serial number
* is not valid.
* @hide
*/
public int getUserHandle(int userSerialNumber) {
try {
return mService.getUserHandle(userSerialNumber);
} catch (RemoteException re) {
Log.w(TAG, "Could not get userHandle for user " + userSerialNumber);
}
return -1;
}
/**
* Returns a Bundle containing any saved application restrictions for this user, for the
* given package name. Only an application with this package name can call this method.
* @param packageName the package name of the calling application
* @return a Bundle with the restrictions as key/value pairs, or null if there are no
* saved restrictions. The values can be of type Boolean, String or String[], depending
* on the restriction type, as defined by the application.
*/
public Bundle getApplicationRestrictions(String packageName) {
try {
return mService.getApplicationRestrictions(packageName);
} catch (RemoteException re) {
Log.w(TAG, "Could not get application restrictions for package " + packageName);
}
return null;
}
/**
* @hide
*/
public Bundle getApplicationRestrictions(String packageName, UserHandle user) {
try {
return mService.getApplicationRestrictionsForUser(packageName, user.getIdentifier());
} catch (RemoteException re) {
Log.w(TAG, "Could not get application restrictions for user " + user.getIdentifier());
}
return null;
}
/**
* @hide
*/
public void setApplicationRestrictions(String packageName, Bundle restrictions,
UserHandle user) {
try {
mService.setApplicationRestrictions(packageName, restrictions, user.getIdentifier());
} catch (RemoteException re) {
Log.w(TAG, "Could not set application restrictions for user " + user.getIdentifier());
}
}
/**
* Sets a new challenge PIN for restrictions. This is only for use by pre-installed
* apps and requires the MANAGE_USERS permission.
* @param newPin the PIN to use for challenge dialogs.
* @return Returns true if the challenge PIN was set successfully.
*/
public boolean setRestrictionsChallenge(String newPin) {
try {
return mService.setRestrictionsChallenge(newPin);
} catch (RemoteException re) {
Log.w(TAG, "Could not change restrictions pin");
}
return false;
}
/**
* @hide
* @param pin The PIN to verify, or null to get the number of milliseconds to wait for before
* allowing the user to enter the PIN.
* @return Returns a positive number (including zero) for how many milliseconds before
* you can accept another PIN, when the input is null or the input doesn't match the saved PIN.
* Returns {@link #PIN_VERIFICATION_SUCCESS} if the input matches the saved PIN. Returns
* {@link #PIN_VERIFICATION_FAILED_NOT_SET} if there is no PIN set.
*/
public int checkRestrictionsChallenge(String pin) {
try {
return mService.checkRestrictionsChallenge(pin);
} catch (RemoteException re) {
Log.w(TAG, "Could not check restrictions pin");
}
return PIN_VERIFICATION_FAILED_INCORRECT;
}
/**
* @hide
* Checks whether the user has restrictions that are PIN-protected. An application that
* participates in restrictions can check if the owner has requested a PIN challenge for
* any restricted operations. If there is a PIN in effect, the application should launch
* the PIN challenge activity {@link android.content.Intent#ACTION_RESTRICTIONS_CHALLENGE}.
* @see android.content.Intent#ACTION_RESTRICTIONS_CHALLENGE
* @return whether a restrictions PIN is in effect.
*/
public boolean hasRestrictionsChallenge() {
try {
return mService.hasRestrictionsChallenge();
} catch (RemoteException re) {
Log.w(TAG, "Could not change restrictions pin");
}
return false;
}
/** @hide */
public void removeRestrictions() {
try {
mService.removeRestrictions();
} catch (RemoteException re) {
Log.w(TAG, "Could not change restrictions pin");
}
}
/**
* @hide
* Set restrictions that should apply to any future guest user that's created.
*/
public void setDefaultGuestRestrictions(Bundle restrictions) {
try {
mService.setDefaultGuestRestrictions(restrictions);
} catch (RemoteException re) {
Log.w(TAG, "Could not set guest restrictions");
}
}
/**
* @hide
* Gets the default guest restrictions.
*/
public Bundle getDefaultGuestRestrictions() {
try {
return mService.getDefaultGuestRestrictions();
} catch (RemoteException re) {
Log.w(TAG, "Could not set guest restrictions");
}
return new Bundle();
}
}