Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | */ |
| 16 | |
| 17 | package android.os; |
| 18 | |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 19 | import android.annotation.AppIdInt; |
Christopher Tate | cbd7a6e | 2014-08-06 14:24:14 -0700 | [diff] [blame] | 20 | import android.annotation.SystemApi; |
Jeff Sharkey | a73b8fd | 2016-01-06 17:02:08 -0700 | [diff] [blame] | 21 | import android.annotation.TestApi; |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 22 | import android.annotation.UserIdInt; |
Alexandra Gherghina | c1cf161 | 2014-06-05 10:49:14 +0100 | [diff] [blame] | 23 | |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 24 | import java.io.PrintWriter; |
| 25 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 26 | /** |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 27 | * Representation of a user on the device. |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 28 | */ |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 29 | public final class UserHandle implements Parcelable { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 30 | /** |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 31 | * @hide Range of uids allocated for a user. |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 32 | */ |
| 33 | public static final int PER_USER_RANGE = 100000; |
| 34 | |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 35 | /** @hide A user id to indicate all users on the device */ |
Jeff Sharkey | cd65448 | 2016-01-08 17:42:11 -0700 | [diff] [blame] | 36 | public static final @UserIdInt int USER_ALL = -1; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 37 | |
Dianne Hackborn | 7767eac | 2012-08-23 18:25:40 -0700 | [diff] [blame] | 38 | /** @hide A user handle to indicate all users on the device */ |
| 39 | public static final UserHandle ALL = new UserHandle(USER_ALL); |
| 40 | |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 41 | /** @hide A user id to indicate the currently active user */ |
Jeff Sharkey | cd65448 | 2016-01-08 17:42:11 -0700 | [diff] [blame] | 42 | public static final @UserIdInt int USER_CURRENT = -2; |
Amith Yamasani | 8264408 | 2012-08-03 13:09:11 -0700 | [diff] [blame] | 43 | |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 44 | /** @hide A user handle to indicate the current user of the device */ |
| 45 | public static final UserHandle CURRENT = new UserHandle(USER_CURRENT); |
| 46 | |
| 47 | /** @hide A user id to indicate that we would like to send to the current |
| 48 | * user, but if this is calling from a user process then we will send it |
Alan Viverette | b6e0cb9 | 2014-11-24 15:13:43 -0800 | [diff] [blame] | 49 | * to the caller's user instead of failing with a security exception */ |
Jeff Sharkey | cd65448 | 2016-01-08 17:42:11 -0700 | [diff] [blame] | 50 | public static final @UserIdInt int USER_CURRENT_OR_SELF = -3; |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 51 | |
| 52 | /** @hide A user handle to indicate that we would like to send to the current |
| 53 | * user, but if this is calling from a user process then we will send it |
Alan Viverette | b6e0cb9 | 2014-11-24 15:13:43 -0800 | [diff] [blame] | 54 | * to the caller's user instead of failing with a security exception */ |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 55 | public static final UserHandle CURRENT_OR_SELF = new UserHandle(USER_CURRENT_OR_SELF); |
| 56 | |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 57 | /** @hide An undefined user id */ |
Jeff Sharkey | cd65448 | 2016-01-08 17:42:11 -0700 | [diff] [blame] | 58 | public static final @UserIdInt int USER_NULL = -10000; |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 59 | |
Xiaohui Chen | 70f6c38 | 2015-04-28 14:21:43 -0700 | [diff] [blame] | 60 | /** |
| 61 | * @hide A user id constant to indicate the "owner" user of the device |
Xiaohui Chen | 7c69636 | 2015-09-16 09:56:14 -0700 | [diff] [blame] | 62 | * @deprecated Consider using either {@link UserHandle#USER_SYSTEM} constant or |
| 63 | * check the target user's flag {@link android.content.pm.UserInfo#isAdmin}. |
Xiaohui Chen | 70f6c38 | 2015-04-28 14:21:43 -0700 | [diff] [blame] | 64 | */ |
Jeff Sharkey | cd65448 | 2016-01-08 17:42:11 -0700 | [diff] [blame] | 65 | public static final @UserIdInt int USER_OWNER = 0; |
Amith Yamasani | 8264408 | 2012-08-03 13:09:11 -0700 | [diff] [blame] | 66 | |
Xiaohui Chen | 70f6c38 | 2015-04-28 14:21:43 -0700 | [diff] [blame] | 67 | /** |
| 68 | * @hide A user handle to indicate the primary/owner user of the device |
Xiaohui Chen | 7c69636 | 2015-09-16 09:56:14 -0700 | [diff] [blame] | 69 | * @deprecated Consider using either {@link UserHandle#SYSTEM} constant or |
| 70 | * check the target user's flag {@link android.content.pm.UserInfo#isAdmin}. |
Xiaohui Chen | 70f6c38 | 2015-04-28 14:21:43 -0700 | [diff] [blame] | 71 | */ |
Dianne Hackborn | 5ac72a2 | 2012-08-29 18:32:08 -0700 | [diff] [blame] | 72 | public static final UserHandle OWNER = new UserHandle(USER_OWNER); |
| 73 | |
Xiaohui Chen | 70f6c38 | 2015-04-28 14:21:43 -0700 | [diff] [blame] | 74 | /** @hide A user id constant to indicate the "system" user of the device */ |
Jeff Sharkey | cd65448 | 2016-01-08 17:42:11 -0700 | [diff] [blame] | 75 | public static final @UserIdInt int USER_SYSTEM = 0; |
Xiaohui Chen | 70f6c38 | 2015-04-28 14:21:43 -0700 | [diff] [blame] | 76 | |
Jeff Sharkey | 47f7108 | 2016-02-01 17:03:54 -0700 | [diff] [blame] | 77 | /** @hide A user serial constant to indicate the "system" user of the device */ |
| 78 | public static final int USER_SERIAL_SYSTEM = 0; |
| 79 | |
Xiaohui Chen | 70f6c38 | 2015-04-28 14:21:43 -0700 | [diff] [blame] | 80 | /** @hide A user handle to indicate the "system" user of the device */ |
| 81 | public static final UserHandle SYSTEM = new UserHandle(USER_SYSTEM); |
| 82 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 83 | /** |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 84 | * @hide Enable multi-user related side effects. Set this to false if |
| 85 | * there are problems with single user use-cases. |
| 86 | */ |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 87 | public static final boolean MU_ENABLED = true; |
| 88 | |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 89 | final int mHandle; |
| 90 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 91 | /** |
| 92 | * Checks to see if the user id is the same for the two uids, i.e., they belong to the same |
| 93 | * user. |
| 94 | * @hide |
| 95 | */ |
Xiaohui Chen | eecb981 | 2015-09-16 11:02:18 -0700 | [diff] [blame] | 96 | public static boolean isSameUser(int uid1, int uid2) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 97 | return getUserId(uid1) == getUserId(uid2); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Checks to see if both uids are referring to the same app id, ignoring the user id part of the |
| 102 | * uids. |
| 103 | * @param uid1 uid to compare |
| 104 | * @param uid2 other uid to compare |
| 105 | * @return whether the appId is the same for both uids |
| 106 | * @hide |
| 107 | */ |
Xiaohui Chen | eecb981 | 2015-09-16 11:02:18 -0700 | [diff] [blame] | 108 | public static boolean isSameApp(int uid1, int uid2) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 109 | return getAppId(uid1) == getAppId(uid2); |
| 110 | } |
| 111 | |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 112 | /** @hide */ |
Xiaohui Chen | eecb981 | 2015-09-16 11:02:18 -0700 | [diff] [blame] | 113 | public static boolean isIsolated(int uid) { |
Jeff Sharkey | d0c6ccb | 2012-09-14 16:26:37 -0700 | [diff] [blame] | 114 | if (uid > 0) { |
| 115 | final int appId = getAppId(uid); |
| 116 | return appId >= Process.FIRST_ISOLATED_UID && appId <= Process.LAST_ISOLATED_UID; |
| 117 | } else { |
| 118 | return false; |
| 119 | } |
Dianne Hackborn | a573f6a | 2012-02-09 16:12:18 -0800 | [diff] [blame] | 120 | } |
| 121 | |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 122 | /** @hide */ |
Jeff Sharkey | 8a8b581 | 2012-03-21 18:13:36 -0700 | [diff] [blame] | 123 | public static boolean isApp(int uid) { |
| 124 | if (uid > 0) { |
Jeff Sharkey | d0c6ccb | 2012-09-14 16:26:37 -0700 | [diff] [blame] | 125 | final int appId = getAppId(uid); |
| 126 | return appId >= Process.FIRST_APPLICATION_UID && appId <= Process.LAST_APPLICATION_UID; |
Jeff Sharkey | 8a8b581 | 2012-03-21 18:13:36 -0700 | [diff] [blame] | 127 | } else { |
| 128 | return false; |
| 129 | } |
| 130 | } |
| 131 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 132 | /** |
Jeff Davidson | 48aa86b | 2016-02-10 14:15:42 -0800 | [diff] [blame] | 133 | * Returns the user for a given uid. |
| 134 | * @param uid A uid for an application running in a particular user. |
| 135 | * @return A {@link UserHandle} for that user. |
| 136 | */ |
| 137 | public static UserHandle getUserHandleForUid(int uid) { |
| 138 | return of(getUserId(uid)); |
| 139 | } |
| 140 | |
| 141 | /** |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 142 | * Returns the user id for a given uid. |
| 143 | * @hide |
| 144 | */ |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 145 | public static @UserIdInt int getUserId(int uid) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 146 | if (MU_ENABLED) { |
| 147 | return uid / PER_USER_RANGE; |
| 148 | } else { |
Xiaohui Chen | 70f6c38 | 2015-04-28 14:21:43 -0700 | [diff] [blame] | 149 | return UserHandle.USER_SYSTEM; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 150 | } |
| 151 | } |
| 152 | |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 153 | /** @hide */ |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 154 | public static @UserIdInt int getCallingUserId() { |
Amith Yamasani | 37ce3a8 | 2012-02-06 12:04:42 -0800 | [diff] [blame] | 155 | return getUserId(Binder.getCallingUid()); |
| 156 | } |
| 157 | |
Alexandra Gherghina | c1cf161 | 2014-06-05 10:49:14 +0100 | [diff] [blame] | 158 | /** @hide */ |
Fyodor Kupolov | 940e857 | 2016-01-26 12:03:51 -0800 | [diff] [blame] | 159 | @SystemApi |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 160 | public static UserHandle of(@UserIdInt int userId) { |
Fyodor Kupolov | 02cb6e7 | 2015-09-18 18:20:55 -0700 | [diff] [blame] | 161 | return userId == USER_SYSTEM ? SYSTEM : new UserHandle(userId); |
Alexandra Gherghina | c1cf161 | 2014-06-05 10:49:14 +0100 | [diff] [blame] | 162 | } |
| 163 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 164 | /** |
| 165 | * Returns the uid that is composed from the userId and the appId. |
| 166 | * @hide |
| 167 | */ |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 168 | public static int getUid(@UserIdInt int userId, @AppIdInt int appId) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 169 | if (MU_ENABLED) { |
| 170 | return userId * PER_USER_RANGE + (appId % PER_USER_RANGE); |
| 171 | } else { |
| 172 | return appId; |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Returns the app id (or base uid) for a given uid, stripping out the user id from it. |
| 178 | * @hide |
| 179 | */ |
Jeff Sharkey | a73b8fd | 2016-01-06 17:02:08 -0700 | [diff] [blame] | 180 | @TestApi |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 181 | public static @AppIdInt int getAppId(int uid) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 182 | return uid % PER_USER_RANGE; |
| 183 | } |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 184 | |
| 185 | /** |
Robin Lee | e66b689 | 2014-04-29 12:36:47 +0100 | [diff] [blame] | 186 | * Returns the gid shared between all apps with this userId. |
| 187 | * @hide |
| 188 | */ |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 189 | public static int getUserGid(@UserIdInt int userId) { |
Robin Lee | e66b689 | 2014-04-29 12:36:47 +0100 | [diff] [blame] | 190 | return getUid(userId, Process.SHARED_USER_GID); |
| 191 | } |
| 192 | |
| 193 | /** |
Kenny Root | e091f22 | 2012-09-11 15:01:26 -0700 | [diff] [blame] | 194 | * Returns the shared app gid for a given uid or appId. |
| 195 | * @hide |
| 196 | */ |
Xiaohui Chen | eecb981 | 2015-09-16 11:02:18 -0700 | [diff] [blame] | 197 | public static int getSharedAppGid(int id) { |
Kenny Root | e091f22 | 2012-09-11 15:01:26 -0700 | [diff] [blame] | 198 | return Process.FIRST_SHARED_APPLICATION_GID + (id % PER_USER_RANGE) |
| 199 | - Process.FIRST_APPLICATION_UID; |
| 200 | } |
| 201 | |
| 202 | /** |
Adam Lesinski | 621e06a | 2015-08-13 22:06:31 -0700 | [diff] [blame] | 203 | * Returns the app id for a given shared app gid. Returns -1 if the ID is invalid. |
Adam Lesinski | f4216d3 | 2015-06-26 16:33:24 -0700 | [diff] [blame] | 204 | * @hide |
| 205 | */ |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 206 | public static @AppIdInt int getAppIdFromSharedAppGid(int gid) { |
Adam Lesinski | 621e06a | 2015-08-13 22:06:31 -0700 | [diff] [blame] | 207 | final int appId = getAppId(gid) + Process.FIRST_APPLICATION_UID |
| 208 | - Process.FIRST_SHARED_APPLICATION_GID; |
| 209 | if (appId < 0 || appId >= Process.FIRST_SHARED_APPLICATION_GID) { |
| 210 | return -1; |
Adam Lesinski | f4216d3 | 2015-06-26 16:33:24 -0700 | [diff] [blame] | 211 | } |
Adam Lesinski | 621e06a | 2015-08-13 22:06:31 -0700 | [diff] [blame] | 212 | return appId; |
Adam Lesinski | f4216d3 | 2015-06-26 16:33:24 -0700 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | /** |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 216 | * Generate a text representation of the uid, breaking out its individual |
| 217 | * components -- user, app, isolated, etc. |
| 218 | * @hide |
| 219 | */ |
| 220 | public static void formatUid(StringBuilder sb, int uid) { |
| 221 | if (uid < Process.FIRST_APPLICATION_UID) { |
| 222 | sb.append(uid); |
| 223 | } else { |
| 224 | sb.append('u'); |
| 225 | sb.append(getUserId(uid)); |
| 226 | final int appId = getAppId(uid); |
| 227 | if (appId >= Process.FIRST_ISOLATED_UID && appId <= Process.LAST_ISOLATED_UID) { |
| 228 | sb.append('i'); |
| 229 | sb.append(appId - Process.FIRST_ISOLATED_UID); |
Dianne Hackborn | a4cc205 | 2013-07-08 17:31:25 -0700 | [diff] [blame] | 230 | } else if (appId >= Process.FIRST_APPLICATION_UID) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 231 | sb.append('a'); |
Dianne Hackborn | a4cc205 | 2013-07-08 17:31:25 -0700 | [diff] [blame] | 232 | sb.append(appId - Process.FIRST_APPLICATION_UID); |
| 233 | } else { |
| 234 | sb.append('s'); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 235 | sb.append(appId); |
| 236 | } |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * Generate a text representation of the uid, breaking out its individual |
| 242 | * components -- user, app, isolated, etc. |
| 243 | * @hide |
| 244 | */ |
Dianne Hackborn | 3b16cf4 | 2015-07-01 15:05:04 -0700 | [diff] [blame] | 245 | public static String formatUid(int uid) { |
| 246 | StringBuilder sb = new StringBuilder(); |
| 247 | formatUid(sb, uid); |
| 248 | return sb.toString(); |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Generate a text representation of the uid, breaking out its individual |
| 253 | * components -- user, app, isolated, etc. |
| 254 | * @hide |
| 255 | */ |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 256 | public static void formatUid(PrintWriter pw, int uid) { |
| 257 | if (uid < Process.FIRST_APPLICATION_UID) { |
| 258 | pw.print(uid); |
| 259 | } else { |
| 260 | pw.print('u'); |
| 261 | pw.print(getUserId(uid)); |
| 262 | final int appId = getAppId(uid); |
| 263 | if (appId >= Process.FIRST_ISOLATED_UID && appId <= Process.LAST_ISOLATED_UID) { |
| 264 | pw.print('i'); |
| 265 | pw.print(appId - Process.FIRST_ISOLATED_UID); |
Dianne Hackborn | a4cc205 | 2013-07-08 17:31:25 -0700 | [diff] [blame] | 266 | } else if (appId >= Process.FIRST_APPLICATION_UID) { |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 267 | pw.print('a'); |
Dianne Hackborn | a4cc205 | 2013-07-08 17:31:25 -0700 | [diff] [blame] | 268 | pw.print(appId - Process.FIRST_APPLICATION_UID); |
| 269 | } else { |
| 270 | pw.print('s'); |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 271 | pw.print(appId); |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | |
Dianne Hackborn | 3cdb56e | 2015-11-11 12:45:44 -0800 | [diff] [blame] | 276 | /** @hide */ |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 277 | public static @UserIdInt int parseUserArg(String arg) { |
Dianne Hackborn | 3cdb56e | 2015-11-11 12:45:44 -0800 | [diff] [blame] | 278 | int userId; |
| 279 | if ("all".equals(arg)) { |
| 280 | userId = UserHandle.USER_ALL; |
| 281 | } else if ("current".equals(arg) || "cur".equals(arg)) { |
| 282 | userId = UserHandle.USER_CURRENT; |
| 283 | } else { |
| 284 | try { |
| 285 | userId = Integer.parseInt(arg); |
| 286 | } catch (NumberFormatException e) { |
| 287 | throw new IllegalArgumentException("Bad user number: " + arg); |
| 288 | } |
| 289 | } |
| 290 | return userId; |
| 291 | } |
| 292 | |
Dianne Hackborn | a06de0f | 2012-12-11 16:34:47 -0800 | [diff] [blame] | 293 | /** |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 294 | * Returns the user id of the current process |
| 295 | * @return user id of the current process |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 296 | * @hide |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 297 | */ |
Amith Yamasani | 0e8d7d6 | 2014-09-03 13:17:28 -0700 | [diff] [blame] | 298 | @SystemApi |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 299 | public static @UserIdInt int myUserId() { |
Andreas Gampe | d281b42 | 2016-07-08 03:50:27 +0000 | [diff] [blame] | 300 | return getUserId(Process.myUid()); |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 301 | } |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 302 | |
Christopher Tate | cbd7a6e | 2014-08-06 14:24:14 -0700 | [diff] [blame] | 303 | /** |
| 304 | * Returns true if this UserHandle refers to the owner user; false otherwise. |
| 305 | * @return true if this UserHandle refers to the owner user; false otherwise. |
| 306 | * @hide |
Xiaohui Chen | 1fa7680 | 2015-10-12 15:56:25 -0700 | [diff] [blame] | 307 | * @deprecated please use {@link #isSystem()} or check for |
| 308 | * {@link android.content.pm.UserInfo#isPrimary()} |
| 309 | * {@link android.content.pm.UserInfo#isAdmin()} based on your particular use case. |
Christopher Tate | cbd7a6e | 2014-08-06 14:24:14 -0700 | [diff] [blame] | 310 | */ |
| 311 | @SystemApi |
Xiaohui Chen | eecb981 | 2015-09-16 11:02:18 -0700 | [diff] [blame] | 312 | public boolean isOwner() { |
Christopher Tate | cbd7a6e | 2014-08-06 14:24:14 -0700 | [diff] [blame] | 313 | return this.equals(OWNER); |
| 314 | } |
| 315 | |
Xiaohui Chen | 1fa7680 | 2015-10-12 15:56:25 -0700 | [diff] [blame] | 316 | /** |
| 317 | * @return true if this UserHandle refers to the system user; false otherwise. |
| 318 | * @hide |
| 319 | */ |
| 320 | @SystemApi |
| 321 | public boolean isSystem() { |
| 322 | return this.equals(SYSTEM); |
| 323 | } |
| 324 | |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 325 | /** @hide */ |
| 326 | public UserHandle(int h) { |
| 327 | mHandle = h; |
| 328 | } |
| 329 | |
Amith Yamasani | 0e8d7d6 | 2014-09-03 13:17:28 -0700 | [diff] [blame] | 330 | /** |
| 331 | * Returns the userId stored in this UserHandle. |
| 332 | * @hide |
| 333 | */ |
| 334 | @SystemApi |
Jeff Sharkey | 8588bc1 | 2016-01-06 16:47:42 -0700 | [diff] [blame] | 335 | public @UserIdInt int getIdentifier() { |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 336 | return mHandle; |
| 337 | } |
| 338 | |
| 339 | @Override |
| 340 | public String toString() { |
| 341 | return "UserHandle{" + mHandle + "}"; |
| 342 | } |
| 343 | |
| 344 | @Override |
| 345 | public boolean equals(Object obj) { |
| 346 | try { |
| 347 | if (obj != null) { |
| 348 | UserHandle other = (UserHandle)obj; |
| 349 | return mHandle == other.mHandle; |
| 350 | } |
| 351 | } catch (ClassCastException e) { |
| 352 | } |
| 353 | return false; |
| 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public int hashCode() { |
| 358 | return mHandle; |
| 359 | } |
| 360 | |
| 361 | public int describeContents() { |
| 362 | return 0; |
| 363 | } |
| 364 | |
| 365 | public void writeToParcel(Parcel out, int flags) { |
| 366 | out.writeInt(mHandle); |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * Write a UserHandle to a Parcel, handling null pointers. Must be |
| 371 | * read with {@link #readFromParcel(Parcel)}. |
| 372 | * |
| 373 | * @param h The UserHandle to be written. |
| 374 | * @param out The Parcel in which the UserHandle will be placed. |
| 375 | * |
| 376 | * @see #readFromParcel(Parcel) |
| 377 | */ |
| 378 | public static void writeToParcel(UserHandle h, Parcel out) { |
| 379 | if (h != null) { |
| 380 | h.writeToParcel(out, 0); |
| 381 | } else { |
| 382 | out.writeInt(USER_NULL); |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * Read a UserHandle from a Parcel that was previously written |
| 388 | * with {@link #writeToParcel(UserHandle, Parcel)}, returning either |
| 389 | * a null or new object as appropriate. |
| 390 | * |
| 391 | * @param in The Parcel from which to read the UserHandle |
| 392 | * @return Returns a new UserHandle matching the previously written |
| 393 | * object, or null if a null had been written. |
| 394 | * |
| 395 | * @see #writeToParcel(UserHandle, Parcel) |
| 396 | */ |
| 397 | public static UserHandle readFromParcel(Parcel in) { |
| 398 | int h = in.readInt(); |
| 399 | return h != USER_NULL ? new UserHandle(h) : null; |
| 400 | } |
| 401 | |
| 402 | public static final Parcelable.Creator<UserHandle> CREATOR |
| 403 | = new Parcelable.Creator<UserHandle>() { |
| 404 | public UserHandle createFromParcel(Parcel in) { |
| 405 | return new UserHandle(in); |
| 406 | } |
| 407 | |
| 408 | public UserHandle[] newArray(int size) { |
| 409 | return new UserHandle[size]; |
| 410 | } |
| 411 | }; |
| 412 | |
| 413 | /** |
| 414 | * Instantiate a new UserHandle from the data in a Parcel that was |
| 415 | * previously written with {@link #writeToParcel(Parcel, int)}. Note that you |
| 416 | * must not use this with data written by |
| 417 | * {@link #writeToParcel(UserHandle, Parcel)} since it is not possible |
| 418 | * to handle a null UserHandle here. |
| 419 | * |
| 420 | * @param in The Parcel containing the previously written UserHandle, |
| 421 | * positioned at the location in the buffer where it was written. |
| 422 | */ |
| 423 | public UserHandle(Parcel in) { |
| 424 | mHandle = in.readInt(); |
| 425 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 426 | } |