| /* |
| * 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 com.android.internal.R; |
| import android.content.Context; |
| import android.content.pm.UserInfo; |
| import android.util.Log; |
| |
| 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; |
| |
| /** @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, false if it is a single user device. |
| */ |
| public boolean supportsMultipleUsers() { |
| return getMaxSupportedUsers() > 1; |
| } |
| |
| /** |
| * Returns the user handle for the user that this application is running for. |
| * @return the user handle of the user making this call. |
| * @hide |
| * */ |
| public int getUserHandle() { |
| return Process.myUserHandle(); |
| } |
| |
| /** |
| * Returns the user name of the user making this call. |
| * @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 ""; |
| } |
| } |
| |
| /** |
| * Returns the UserInfo object describing a specific user. |
| * @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; |
| } |
| } |
| |
| /** |
| * Creates a user with the specified name and options. |
| * |
| * @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; |
| } |
| } |
| |
| /** |
| * Returns information for all users on this device. |
| * @return the list of users that were created. |
| * @hide |
| */ |
| public List<UserInfo> getUsers() { |
| try { |
| return mService.getUsers(); |
| } catch (RemoteException re) { |
| Log.w(TAG, "Could not get user list", re); |
| return null; |
| } |
| } |
| |
| /** |
| * Removes a user and all associated data. |
| * @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. |
| * |
| * @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); |
| } |
| } |
| |
| /** |
| * Returns a file descriptor for the user's photo. PNG data can be written into this file. |
| * @param userHandle the user for whom to change the photo. |
| * @return a {@link ParcelFileDescriptor} to which to write the photo. |
| * @hide |
| */ |
| public ParcelFileDescriptor setUserIcon(int userHandle) { |
| try { |
| return mService.setUserIcon(userHandle); |
| } catch (RemoteException re) { |
| Log.w(TAG, "Could not set the user icon ", re); |
| return null; |
| } |
| } |
| |
| /** |
| * Enable or disable the use of a guest account. If disabled, the existing guest account |
| * will be wiped. |
| * @param enable whether to enable a guest account. |
| * @hide |
| */ |
| public void setGuestEnabled(boolean enable) { |
| try { |
| mService.setGuestEnabled(enable); |
| } catch (RemoteException re) { |
| Log.w(TAG, "Could not change guest account availability to " + enable); |
| } |
| } |
| |
| /** |
| * Checks if a guest user is enabled for this device. |
| * @return whether a guest user is enabled |
| * @hide |
| */ |
| public boolean isGuestEnabled() { |
| try { |
| return mService.isGuestEnabled(); |
| } catch (RemoteException re) { |
| Log.w(TAG, "Could not retrieve guest enabled state"); |
| return false; |
| } |
| } |
| |
| /** |
| * Wipes all the data for a user, but doesn't remove the user. |
| * @param userHandle |
| * @hide |
| */ |
| public void wipeUser(int userHandle) { |
| try { |
| mService.wipeUser(userHandle); |
| } catch (RemoteException re) { |
| Log.w(TAG, "Could not wipe user " + userHandle); |
| } |
| } |
| |
| /** |
| * 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 int getMaxSupportedUsers() { |
| return mContext.getResources().getInteger(R.integer.config_multiuserMaximumUsers); |
| } |
| } |