Rename UserId to UserHandle.

This is the start of turning this into a formal public API.

Change-Id: I5786d2c320f1de41a06ed5d0f65adb68967287a0
diff --git a/core/java/android/accounts/AccountManagerService.java b/core/java/android/accounts/AccountManagerService.java
index 935d647..a4d28b0 100644
--- a/core/java/android/accounts/AccountManagerService.java
+++ b/core/java/android/accounts/AccountManagerService.java
@@ -50,7 +50,7 @@
 import android.os.Message;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.text.TextUtils;
 import android.util.Log;
@@ -354,7 +354,7 @@
     }
 
     private UserAccounts getUserAccountsForCaller() {
-        return getUserAccounts(UserId.getCallingUserId());
+        return getUserAccounts(UserHandle.getCallingUserId());
     }
 
     protected UserAccounts getUserAccounts(int userId) {
@@ -1004,7 +1004,7 @@
         if (callingUid != android.os.Process.SYSTEM_UID) {
             throw new SecurityException("can only call from system");
         }
-        UserAccounts accounts = getUserAccounts(UserId.getUserId(callingUid));
+        UserAccounts accounts = getUserAccounts(UserHandle.getUserId(callingUid));
         long identityToken = clearCallingIdentity();
         try {
             new Session(accounts, response, accountType, false,
@@ -1222,7 +1222,7 @@
     private Integer getCredentialPermissionNotificationId(Account account, String authTokenType,
             int uid) {
         Integer id;
-        UserAccounts accounts = getUserAccounts(UserId.getUserId(uid));
+        UserAccounts accounts = getUserAccounts(UserHandle.getUserId(uid));
         synchronized (accounts.credentialsPermissionNotificationIds) {
             final Pair<Pair<Account, String>, Integer> key =
                     new Pair<Pair<Account, String>, Integer>(
@@ -2269,7 +2269,7 @@
             Log.e(TAG, "grantAppPermission: called with invalid arguments", new Exception());
             return;
         }
-        UserAccounts accounts = getUserAccounts(UserId.getUserId(uid));
+        UserAccounts accounts = getUserAccounts(UserHandle.getUserId(uid));
         synchronized (accounts.cacheLock) {
             final SQLiteDatabase db = accounts.openHelper.getWritableDatabase();
             db.beginTransaction();
@@ -2303,7 +2303,7 @@
             Log.e(TAG, "revokeAppPermission: called with invalid arguments", new Exception());
             return;
         }
-        UserAccounts accounts = getUserAccounts(UserId.getUserId(uid));
+        UserAccounts accounts = getUserAccounts(UserHandle.getUserId(uid));
         synchronized (accounts.cacheLock) {
             final SQLiteDatabase db = accounts.openHelper.getWritableDatabase();
             db.beginTransaction();
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index c74f823..2c6d5d9 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -40,7 +40,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemProperties;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -529,7 +529,7 @@
             throws SecurityException {
         try {
             return ActivityManagerNative.getDefault().getRecentTasks(maxNum,
-                    flags, UserId.myUserId());
+                    flags, UserHandle.myUserId());
         } catch (RemoteException e) {
             // System dead, we will be dead too soon!
             return null;
@@ -1843,12 +1843,12 @@
             return PackageManager.PERMISSION_GRANTED;
         }
         // Isolated processes don't get any permissions.
-        if (UserId.isIsolated(uid)) {
+        if (UserHandle.isIsolated(uid)) {
             return PackageManager.PERMISSION_DENIED;
         }
         // If there is a uid that owns whatever is being accessed, it has
         // blanket access to it regardless of the permissions it requires.
-        if (owningUid >= 0 && UserId.isSameApp(uid, owningUid)) {
+        if (owningUid >= 0 && UserHandle.isSameApp(uid, owningUid)) {
             return PackageManager.PERMISSION_GRANTED;
         }
         // If the target is not exported, then nobody else can get to it.
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index 88e7344..3197a63 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -39,7 +39,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.StrictMode;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Singleton;
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 0789c60..7eb86f4 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -62,7 +62,7 @@
 import android.os.StrictMode;
 import android.os.SystemClock;
 import android.os.Trace;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.AndroidRuntimeException;
 import android.util.DisplayMetrics;
 import android.util.EventLog;
@@ -1696,7 +1696,7 @@
         ApplicationInfo ai = null;
         try {
             ai = getPackageManager().getApplicationInfo(packageName,
-                    PackageManager.GET_SHARED_LIBRARY_FILES, UserId.myUserId());
+                    PackageManager.GET_SHARED_LIBRARY_FILES, UserHandle.myUserId());
         } catch (RemoteException e) {
             // Ignore
         }
@@ -1713,7 +1713,7 @@
         boolean includeCode = (flags&Context.CONTEXT_INCLUDE_CODE) != 0;
         boolean securityViolation = includeCode && ai.uid != 0
                 && ai.uid != Process.SYSTEM_UID && (mBoundApplication != null
-                        ? !UserId.isSameApp(ai.uid, mBoundApplication.appInfo.uid)
+                        ? !UserHandle.isSameApp(ai.uid, mBoundApplication.appInfo.uid)
                         : true);
         if ((flags&(Context.CONTEXT_INCLUDE_CODE
                 |Context.CONTEXT_IGNORE_SECURITY))
diff --git a/core/java/android/app/ApplicationPackageManager.java b/core/java/android/app/ApplicationPackageManager.java
index 9b59e2c..115c867 100644
--- a/core/java/android/app/ApplicationPackageManager.java
+++ b/core/java/android/app/ApplicationPackageManager.java
@@ -50,7 +50,7 @@
 import android.net.Uri;
 import android.os.Process;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Log;
 
 import java.lang.ref.WeakReference;
@@ -69,7 +69,7 @@
     public PackageInfo getPackageInfo(String packageName, int flags)
             throws NameNotFoundException {
         try {
-            PackageInfo pi = mPM.getPackageInfo(packageName, flags, UserId.myUserId());
+            PackageInfo pi = mPM.getPackageInfo(packageName, flags, UserHandle.myUserId());
             if (pi != null) {
                 return pi;
             }
@@ -199,7 +199,7 @@
     public ApplicationInfo getApplicationInfo(String packageName, int flags)
             throws NameNotFoundException {
         try {
-            ApplicationInfo ai = mPM.getApplicationInfo(packageName, flags, UserId.myUserId());
+            ApplicationInfo ai = mPM.getApplicationInfo(packageName, flags, UserHandle.myUserId());
             if (ai != null) {
                 return ai;
             }
@@ -214,7 +214,7 @@
     public ActivityInfo getActivityInfo(ComponentName className, int flags)
             throws NameNotFoundException {
         try {
-            ActivityInfo ai = mPM.getActivityInfo(className, flags, UserId.myUserId());
+            ActivityInfo ai = mPM.getActivityInfo(className, flags, UserHandle.myUserId());
             if (ai != null) {
                 return ai;
             }
@@ -229,7 +229,7 @@
     public ActivityInfo getReceiverInfo(ComponentName className, int flags)
             throws NameNotFoundException {
         try {
-            ActivityInfo ai = mPM.getReceiverInfo(className, flags, UserId.myUserId());
+            ActivityInfo ai = mPM.getReceiverInfo(className, flags, UserHandle.myUserId());
             if (ai != null) {
                 return ai;
             }
@@ -244,7 +244,7 @@
     public ServiceInfo getServiceInfo(ComponentName className, int flags)
             throws NameNotFoundException {
         try {
-            ServiceInfo si = mPM.getServiceInfo(className, flags, UserId.myUserId());
+            ServiceInfo si = mPM.getServiceInfo(className, flags, UserHandle.myUserId());
             if (si != null) {
                 return si;
             }
@@ -259,7 +259,7 @@
     public ProviderInfo getProviderInfo(ComponentName className, int flags)
             throws NameNotFoundException {
         try {
-            ProviderInfo pi = mPM.getProviderInfo(className, flags, UserId.myUserId());
+            ProviderInfo pi = mPM.getProviderInfo(className, flags, UserHandle.myUserId());
             if (pi != null) {
                 return pi;
             }
@@ -424,7 +424,7 @@
     @SuppressWarnings("unchecked")
     @Override
     public List<ApplicationInfo> getInstalledApplications(int flags) {
-        int userId = UserId.getUserId(Process.myUid());
+        int userId = UserHandle.getUserId(Process.myUid());
         try {
             final List<ApplicationInfo> applicationInfos = new ArrayList<ApplicationInfo>();
             ApplicationInfo lastItem = null;
@@ -448,7 +448,7 @@
             return mPM.resolveIntent(
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
-                    flags, UserId.myUserId());
+                    flags, UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new RuntimeException("Package manager has died", e);
         }
@@ -462,7 +462,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                UserId.myUserId());
+                UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new RuntimeException("Package manager has died", e);
         }
@@ -494,7 +494,7 @@
         try {
             return mPM.queryIntentActivityOptions(caller, specifics,
                                                   specificTypes, intent, intent.resolveTypeIfNeeded(resolver),
-                                                  flags, UserId.myUserId());
+                                                  flags, UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new RuntimeException("Package manager has died", e);
         }
@@ -507,7 +507,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                UserId.myUserId());
+                UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new RuntimeException("Package manager has died", e);
         }
@@ -520,7 +520,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                UserId.myUserId());
+                UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new RuntimeException("Package manager has died", e);
         }
@@ -533,7 +533,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                UserId.myUserId());
+                UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new RuntimeException("Package manager has died", e);
         }
@@ -543,7 +543,7 @@
     public ProviderInfo resolveContentProvider(String name,
                                                int flags) {
         try {
-            return mPM.resolveContentProvider(name, flags, UserId.myUserId());
+            return mPM.resolveContentProvider(name, flags, UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new RuntimeException("Package manager has died", e);
         }
@@ -1033,7 +1033,7 @@
     public void clearApplicationUserData(String packageName,
                                          IPackageDataObserver observer) {
         try {
-            mPM.clearApplicationUserData(packageName, observer, UserId.myUserId());
+            mPM.clearApplicationUserData(packageName, observer, UserHandle.myUserId());
         } catch (RemoteException e) {
             // Should never happen!
         }
@@ -1146,7 +1146,7 @@
     public void setComponentEnabledSetting(ComponentName componentName,
                                            int newState, int flags) {
         try {
-            mPM.setComponentEnabledSetting(componentName, newState, flags, UserId.myUserId());
+            mPM.setComponentEnabledSetting(componentName, newState, flags, UserHandle.myUserId());
         } catch (RemoteException e) {
             // Should never happen!
         }
@@ -1155,7 +1155,7 @@
     @Override
     public int getComponentEnabledSetting(ComponentName componentName) {
         try {
-            return mPM.getComponentEnabledSetting(componentName, UserId.myUserId());
+            return mPM.getComponentEnabledSetting(componentName, UserHandle.myUserId());
         } catch (RemoteException e) {
             // Should never happen!
         }
@@ -1166,7 +1166,7 @@
     public void setApplicationEnabledSetting(String packageName,
                                              int newState, int flags) {
         try {
-            mPM.setApplicationEnabledSetting(packageName, newState, flags, UserId.myUserId());
+            mPM.setApplicationEnabledSetting(packageName, newState, flags, UserHandle.myUserId());
         } catch (RemoteException e) {
             // Should never happen!
         }
@@ -1175,7 +1175,7 @@
     @Override
     public int getApplicationEnabledSetting(String packageName) {
         try {
-            return mPM.getApplicationEnabledSetting(packageName, UserId.myUserId());
+            return mPM.getApplicationEnabledSetting(packageName, UserHandle.myUserId());
         } catch (RemoteException e) {
             // Should never happen!
         }
diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java
index fd4c304..ed4f0a7 100644
--- a/core/java/android/app/ContextImpl.java
+++ b/core/java/android/app/ContextImpl.java
@@ -87,7 +87,7 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.SystemVibrator;
 import android.os.UserManager;
 import android.os.storage.StorageManager;
@@ -1259,7 +1259,7 @@
     @Override
     public boolean bindService(Intent service, ServiceConnection conn,
             int flags) {
-        return bindService(service, conn, flags, UserId.getUserId(Process.myUid()));
+        return bindService(service, conn, flags, UserHandle.getUserId(Process.myUid()));
     }
 
     /** @hide */
diff --git a/core/java/android/app/LoadedApk.java b/core/java/android/app/LoadedApk.java
index f4195d6..1e89bb2 100644
--- a/core/java/android/app/LoadedApk.java
+++ b/core/java/android/app/LoadedApk.java
@@ -37,7 +37,7 @@
 import android.os.RemoteException;
 import android.os.StrictMode;
 import android.os.Trace;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.AndroidRuntimeException;
 import android.util.Slog;
 import android.view.CompatibilityInfoHolder;
@@ -120,8 +120,8 @@
         final int myUid = Process.myUid();
         mResDir = aInfo.uid == myUid ? aInfo.sourceDir
                 : aInfo.publicSourceDir;
-        if (!UserId.isSameUser(aInfo.uid, myUid) && !Process.isIsolated()) {
-            aInfo.dataDir = PackageManager.getDataDirForUser(UserId.getUserId(myUid),
+        if (!UserHandle.isSameUser(aInfo.uid, myUid) && !Process.isIsolated()) {
+            aInfo.dataDir = PackageManager.getDataDirForUser(UserHandle.getUserId(myUid),
                     mPackageName);
         }
         mSharedLibraries = aInfo.sharedLibraryFiles;
@@ -195,7 +195,7 @@
         ApplicationInfo ai = null;
         try {
             ai = ActivityThread.getPackageManager().getApplicationInfo(packageName,
-                    PackageManager.GET_SHARED_LIBRARY_FILES, UserId.myUserId());
+                    PackageManager.GET_SHARED_LIBRARY_FILES, UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new AssertionError(e);
         }
@@ -358,7 +358,7 @@
         IPackageManager pm = ActivityThread.getPackageManager();
         android.content.pm.PackageInfo pi;
         try {
-            pi = pm.getPackageInfo(mPackageName, 0, UserId.myUserId());
+            pi = pm.getPackageInfo(mPackageName, 0, UserHandle.myUserId());
         } catch (RemoteException e) {
             throw new AssertionError(e);
         }
diff --git a/core/java/android/app/PendingIntent.java b/core/java/android/app/PendingIntent.java
index c320ee3..f638f7e 100644
--- a/core/java/android/app/PendingIntent.java
+++ b/core/java/android/app/PendingIntent.java
@@ -27,7 +27,7 @@
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.AndroidException;
 
 /**
@@ -651,7 +651,7 @@
         try {
             int uid = ActivityManagerNative.getDefault()
                 .getUidForIntentSender(mTarget);
-            return uid > 0 ? UserId.getUserId(uid) : -1;
+            return uid > 0 ? UserHandle.getUserId(uid) : -1;
         } catch (RemoteException e) {
             // Should never happen.
             return -1;
diff --git a/core/java/android/app/SearchManager.java b/core/java/android/app/SearchManager.java
index b8c9937..43a163d 100644
--- a/core/java/android/app/SearchManager.java
+++ b/core/java/android/app/SearchManager.java
@@ -31,7 +31,7 @@
 import android.os.Handler;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Slog;
@@ -847,7 +847,7 @@
      * @hide
      */
     public Intent getAssistIntent(Context context) {
-        return getAssistIntent(context, UserId.myUserId());
+        return getAssistIntent(context, UserHandle.myUserId());
     }
 
     /**
diff --git a/core/java/android/content/ContentProvider.java b/core/java/android/content/ContentProvider.java
index b22179e..8a69c3a 100644
--- a/core/java/android/content/ContentProvider.java
+++ b/core/java/android/content/ContentProvider.java
@@ -35,7 +35,7 @@
 import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Log;
 
 import java.io.File;
diff --git a/core/java/android/content/ContentService.java b/core/java/android/content/ContentService.java
index 1a07504..472fe94 100644
--- a/core/java/android/content/ContentService.java
+++ b/core/java/android/content/ContentService.java
@@ -26,7 +26,7 @@
 import android.os.Parcel;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Log;
 import android.util.SparseIntArray;
 import android.Manifest;
@@ -168,7 +168,7 @@
                     + ", syncToNetwork " + syncToNetwork);
         }
 
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
         // This makes it so that future permission checks will be in the context of this
         // process rather than the caller's process. We will restore this before returning.
         long identityToken = clearCallingIdentity();
@@ -236,7 +236,7 @@
 
     public void requestSync(Account account, String authority, Bundle extras) {
         ContentResolver.validateSyncExtrasBundle(extras);
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         // This makes it so that future permission checks will be in the context of this
         // process rather than the caller's process. We will restore this before returning.
@@ -259,7 +259,7 @@
      * @param authority filter the pending and active syncs to cancel using this authority
      */
     public void cancelSync(Account account, String authority) {
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         // This makes it so that future permission checks will be in the context of this
         // process rather than the caller's process. We will restore this before returning.
@@ -294,7 +294,7 @@
     public boolean getSyncAutomatically(Account account, String providerName) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_SYNC_SETTINGS,
                 "no permission to read the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -312,7 +312,7 @@
     public void setSyncAutomatically(Account account, String providerName, boolean sync) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.WRITE_SYNC_SETTINGS,
                 "no permission to write the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -330,7 +330,7 @@
             long pollFrequency) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.WRITE_SYNC_SETTINGS,
                 "no permission to write the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -344,7 +344,7 @@
     public void removePeriodicSync(Account account, String authority, Bundle extras) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.WRITE_SYNC_SETTINGS,
                 "no permission to write the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -358,7 +358,7 @@
     public List<PeriodicSync> getPeriodicSyncs(Account account, String providerName) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_SYNC_SETTINGS,
                 "no permission to read the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -372,7 +372,7 @@
     public int getIsSyncable(Account account, String providerName) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_SYNC_SETTINGS,
                 "no permission to read the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -390,7 +390,7 @@
     public void setIsSyncable(Account account, String providerName, int syncable) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.WRITE_SYNC_SETTINGS,
                 "no permission to write the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -407,7 +407,7 @@
     public boolean getMasterSyncAutomatically() {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_SYNC_SETTINGS,
                 "no permission to read the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -424,7 +424,7 @@
     public void setMasterSyncAutomatically(boolean flag) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.WRITE_SYNC_SETTINGS,
                 "no permission to write the sync settings");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -440,7 +440,7 @@
     public boolean isSyncActive(Account account, String authority) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_SYNC_STATS,
                 "no permission to read the sync stats");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -458,7 +458,7 @@
     public List<SyncInfo> getCurrentSyncs() {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_SYNC_STATS,
                 "no permission to read the sync stats");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -471,7 +471,7 @@
     public SyncStatusInfo getSyncStatus(Account account, String authority) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_SYNC_STATS,
                 "no permission to read the sync stats");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
@@ -489,7 +489,7 @@
     public boolean isSyncPending(Account account, String authority) {
         mContext.enforceCallingOrSelfPermission(Manifest.permission.READ_SYNC_STATS,
                 "no permission to read the sync stats");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         long identityToken = clearCallingIdentity();
         try {
diff --git a/core/java/android/content/IntentSender.java b/core/java/android/content/IntentSender.java
index 9618645..1801488 100644
--- a/core/java/android/content/IntentSender.java
+++ b/core/java/android/content/IntentSender.java
@@ -27,7 +27,7 @@
 import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.AndroidException;
 
 
@@ -257,7 +257,7 @@
         try {
             int uid = ActivityManagerNative.getDefault()
                 .getUidForIntentSender(mTarget);
-            return uid > 0 ? UserId.getUserId(uid) : -1;
+            return uid > 0 ? UserHandle.getUserId(uid) : -1;
         } catch (RemoteException e) {
             // Should never happen.
             return -1;
diff --git a/core/java/android/content/SyncManager.java b/core/java/android/content/SyncManager.java
index e6303b9..3d3ff51 100644
--- a/core/java/android/content/SyncManager.java
+++ b/core/java/android/content/SyncManager.java
@@ -52,7 +52,7 @@
 import android.os.RemoteException;
 import android.os.SystemClock;
 import android.os.SystemProperties;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.os.WorkSource;
 import android.provider.Settings;
@@ -174,7 +174,7 @@
                             Log.v(TAG, "Internal storage is low.");
                         }
                         mStorageIsLow = true;
-                        cancelActiveSync(null /* any account */, UserId.USER_ALL,
+                        cancelActiveSync(null /* any account */, UserHandle.USER_ALL,
                                 null /* any authority */);
                     } else if (Intent.ACTION_DEVICE_STORAGE_OK.equals(action)) {
                         if (Log.isLoggable(TAG, Log.VERBOSE)) {
@@ -195,7 +195,7 @@
     private BroadcastReceiver mBackgroundDataSettingChanged = new BroadcastReceiver() {
         public void onReceive(Context context, Intent intent) {
             if (getConnectivityManager().getBackgroundDataSetting()) {
-                scheduleSync(null /* account */, UserId.USER_ALL, null /* authority */,
+                scheduleSync(null /* account */, UserHandle.USER_ALL, null /* authority */,
                         new Bundle(), 0 /* delay */,
                         false /* onlyThoseWithUnknownSyncableState */);
             }
@@ -287,7 +287,7 @@
             // a chance to set their syncable state.
 
             boolean onlyThoseWithUnkownSyncableState = justBootedUp;
-            scheduleSync(null, UserId.USER_ALL, null, null, 0 /* no delay */,
+            scheduleSync(null, UserHandle.USER_ALL, null, null, 0 /* no delay */,
                     onlyThoseWithUnkownSyncableState);
         }
     }
@@ -371,7 +371,7 @@
         mSyncAdapters.setListener(new RegisteredServicesCacheListener<SyncAdapterType>() {
             public void onServiceChanged(SyncAdapterType type, boolean removed) {
                 if (!removed) {
-                    scheduleSync(null, UserId.USER_ALL, type.authority, null, 0 /* no delay */,
+                    scheduleSync(null, UserHandle.USER_ALL, type.authority, null, 0 /* no delay */,
                             false /* onlyThoseWithUnkownSyncableState */);
                 }
             }
@@ -517,7 +517,7 @@
         }
 
         AccountAndUser[] accounts;
-        if (requestedAccount != null && userId != UserId.USER_ALL) {
+        if (requestedAccount != null && userId != UserHandle.USER_ALL) {
             accounts = new AccountAndUser[] { new AccountAndUser(requestedAccount, userId) };
         } else {
             // if the accounts aren't configured yet then we can't support an account-less
@@ -2180,7 +2180,7 @@
                         }
                     }
                     // check if the userid matches
-                    if (userId != UserId.USER_ALL
+                    if (userId != UserHandle.USER_ALL
                             && userId != activeSyncContext.mSyncOperation.userId) {
                         continue;
                     }
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index d906401..ac75040 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -28,7 +28,7 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.PatternMatcher;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.AttributeSet;
 import android.util.Base64;
 import android.util.DisplayMetrics;
@@ -249,7 +249,7 @@
 
         return generatePackageInfo(p, gids, flags, firstInstallTime, lastUpdateTime,
                 grantedPermissions, false, PackageManager.COMPONENT_ENABLED_STATE_DEFAULT,
-                UserId.getCallingUserId());
+                UserHandle.getCallingUserId());
     }
 
     /**
@@ -263,7 +263,7 @@
             HashSet<String> grantedPermissions, boolean stopped, int enabledState) {
 
         return generatePackageInfo(p, gids, flags, firstInstallTime, lastUpdateTime,
-                grantedPermissions, stopped, enabledState, UserId.getCallingUserId());
+                grantedPermissions, stopped, enabledState, UserHandle.getCallingUserId());
     }
 
     public static PackageInfo generatePackageInfo(PackageParser.Package p,
@@ -3478,7 +3478,7 @@
 
     public static ApplicationInfo generateApplicationInfo(Package p, int flags, boolean stopped,
             int enabledState) {
-        return generateApplicationInfo(p, flags, stopped, enabledState, UserId.getCallingUserId());
+        return generateApplicationInfo(p, flags, stopped, enabledState, UserHandle.getCallingUserId());
     }
 
     public static ApplicationInfo generateApplicationInfo(Package p, int flags,
@@ -3508,7 +3508,7 @@
         // Make shallow copy so we can store the metadata/libraries safely
         ApplicationInfo ai = new ApplicationInfo(p.applicationInfo);
         if (userId != 0) {
-            ai.uid = UserId.getUid(userId, ai.uid);
+            ai.uid = UserHandle.getUid(userId, ai.uid);
             ai.dataDir = PackageManager.getDataDirForUser(userId, ai.packageName);
         }
         if ((flags & PackageManager.GET_META_DATA) != 0) {
@@ -3616,7 +3616,7 @@
             int enabledState, int userId) {
         if (s == null) return null;
         if (!copyNeeded(flags, s.owner, enabledState, s.metaData)
-                && userId == UserId.getUserId(s.info.applicationInfo.uid)) {
+                && userId == UserHandle.getUserId(s.info.applicationInfo.uid)) {
             return s.info;
         }
         // Make shallow copies so we can store the metadata safely
diff --git a/core/java/android/os/Binder.java b/core/java/android/os/Binder.java
index 7b51119..5d40456 100644
--- a/core/java/android/os/Binder.java
+++ b/core/java/android/os/Binder.java
@@ -82,7 +82,7 @@
      * @hide
      */
     public static final int getOrigCallingUid() {
-        if (UserId.MU_ENABLED) {
+        if (UserHandle.MU_ENABLED) {
             return getOrigCallingUidNative();
         } else {
             return getCallingUid();
@@ -97,7 +97,7 @@
      * @hide
      */
     public static final int getOrigCallingUser() {
-        return UserId.getUserId(getOrigCallingUid());
+        return UserHandle.getUserId(getOrigCallingUid());
     }
 
     /**
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 93860aa..5118f1a 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -654,7 +654,7 @@
      * distinct apps running under it each with their own uid.
      */
     public static final int myUserHandle() {
-        return UserId.getUserId(myUid());
+        return UserHandle.getUserId(myUid());
     }
 
     /**
@@ -662,7 +662,7 @@
      * @hide
      */
     public static final boolean isIsolated() {
-        int uid = UserId.getAppId(myUid());
+        int uid = UserHandle.getAppId(myUid());
         return uid >= FIRST_ISOLATED_UID && uid <= LAST_ISOLATED_UID;
     }
 
diff --git a/core/java/android/os/UserId.java b/core/java/android/os/UserHandle.java
similarity index 96%
rename from core/java/android/os/UserId.java
rename to core/java/android/os/UserHandle.java
index 18a3062..577a8c6 100644
--- a/core/java/android/os/UserId.java
+++ b/core/java/android/os/UserHandle.java
@@ -17,9 +17,10 @@
 package android.os;
 
 /**
+ * Representation of a user on the device.
  * @hide
  */
-public final class UserId {
+public final class UserHandle {
     /**
      * Range of IDs allocated for a user.
      *
@@ -70,7 +71,7 @@
 
     public static boolean isApp(int uid) {
         if (uid > 0) {
-            uid = UserId.getAppId(uid);
+            uid = UserHandle.getAppId(uid);
             return uid >= Process.FIRST_APPLICATION_UID && uid <= Process.LAST_APPLICATION_UID;
         } else {
             return false;
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index e08ec1f..6dbba46 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -41,7 +41,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemProperties;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.speech.tts.TextToSpeech;
 import android.text.TextUtils;
 import android.util.AndroidException;
@@ -2336,7 +2336,7 @@
             if (sLockSettings != null && !sIsSystemProcess
                     && MOVED_TO_LOCK_SETTINGS.contains(name)) {
                 try {
-                    return sLockSettings.getString(name, "0", UserId.getCallingUserId());
+                    return sLockSettings.getString(name, "0", UserHandle.getCallingUserId());
                 } catch (RemoteException re) {
                     // Fall through
                 }
diff --git a/core/java/android/server/search/SearchManagerService.java b/core/java/android/server/search/SearchManagerService.java
index b4f5e12..df85b2f 100644
--- a/core/java/android/server/search/SearchManagerService.java
+++ b/core/java/android/server/search/SearchManagerService.java
@@ -37,7 +37,7 @@
 import android.os.Binder;
 import android.os.Process;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.util.Log;
@@ -186,45 +186,45 @@
             Log.e(TAG, "getSearchableInfo(), activity == null");
             return null;
         }
-        return getSearchables(UserId.getCallingUserId()).getSearchableInfo(launchActivity);
+        return getSearchables(UserHandle.getCallingUserId()).getSearchableInfo(launchActivity);
     }
 
     /**
      * Returns a list of the searchable activities that can be included in global search.
      */
     public List<SearchableInfo> getSearchablesInGlobalSearch() {
-        return getSearchables(UserId.getCallingUserId()).getSearchablesInGlobalSearchList();
+        return getSearchables(UserHandle.getCallingUserId()).getSearchablesInGlobalSearchList();
     }
 
     public List<ResolveInfo> getGlobalSearchActivities() {
-        return getSearchables(UserId.getCallingUserId()).getGlobalSearchActivities();
+        return getSearchables(UserHandle.getCallingUserId()).getGlobalSearchActivities();
     }
 
     /**
      * Gets the name of the global search activity.
      */
     public ComponentName getGlobalSearchActivity() {
-        return getSearchables(UserId.getCallingUserId()).getGlobalSearchActivity();
+        return getSearchables(UserHandle.getCallingUserId()).getGlobalSearchActivity();
     }
 
     /**
      * Gets the name of the web search activity.
      */
     public ComponentName getWebSearchActivity() {
-        return getSearchables(UserId.getCallingUserId()).getWebSearchActivity();
+        return getSearchables(UserHandle.getCallingUserId()).getWebSearchActivity();
     }
 
     @Override
     public ComponentName getAssistIntent(int userHandle) {
         try {
-            if (userHandle != UserId.getCallingUserId()) {
+            if (userHandle != UserHandle.getCallingUserId()) {
                 // Requesting a different user, make sure that they have the permission
                 if (ActivityManager.checkComponentPermission(
                         android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
                         Binder.getCallingUid(), -1, true)
                         == PackageManager.PERMISSION_GRANTED) {
                     // Translate to the current user id, if caller wasn't aware
-                    if (userHandle == UserId.USER_CURRENT) {
+                    if (userHandle == UserHandle.USER_CURRENT) {
                         long identity = Binder.clearCallingIdentity();
                         userHandle = ActivityManagerNative.getDefault().getCurrentUser().id;
                         Binder.restoreCallingIdentity(identity);
@@ -232,7 +232,7 @@
                 } else {
                     String msg = "Permission Denial: "
                             + "Request to getAssistIntent for " + userHandle
-                            + " but is calling from user " + UserId.getCallingUserId()
+                            + " but is calling from user " + UserHandle.getCallingUserId()
                             + "; this requires "
                             + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL;
                     Slog.w(TAG, msg);
diff --git a/core/java/com/android/internal/app/ResolverActivity.java b/core/java/com/android/internal/app/ResolverActivity.java
index 84fe8ce..e63c57f 100644
--- a/core/java/com/android/internal/app/ResolverActivity.java
+++ b/core/java/com/android/internal/app/ResolverActivity.java
@@ -37,7 +37,7 @@
 import android.os.PatternMatcher;
 import android.os.Process;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -133,7 +133,7 @@
         mAdapter = new ResolveListAdapter(this, intent, initialIntents, rList,
                 mLaunchedFromUid);
         int count = mAdapter.getCount();
-        if (mLaunchedFromUid < 0 || UserId.isIsolated(mLaunchedFromUid)) {
+        if (mLaunchedFromUid < 0 || UserHandle.isIsolated(mLaunchedFromUid)) {
             // Gulp!
             finish();
             return;
diff --git a/core/java/com/android/internal/statusbar/StatusBarNotification.java b/core/java/com/android/internal/statusbar/StatusBarNotification.java
index 540d134..cb87ac4 100644
--- a/core/java/com/android/internal/statusbar/StatusBarNotification.java
+++ b/core/java/com/android/internal/statusbar/StatusBarNotification.java
@@ -19,7 +19,7 @@
 import android.app.Notification;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.widget.RemoteViews;
 
 
@@ -136,7 +136,7 @@
 
     /** Returns a userHandle for the instance of the app that posted this notification. */
     public int getUserId() {
-        return UserId.getUserId(this.uid);
+        return UserHandle.getUserId(this.uid);
     }
 }
 
diff --git a/core/java/com/android/internal/widget/LockPatternUtils.java b/core/java/com/android/internal/widget/LockPatternUtils.java
index f77e8f3..4777c16 100644
--- a/core/java/com/android/internal/widget/LockPatternUtils.java
+++ b/core/java/com/android/internal/widget/LockPatternUtils.java
@@ -34,7 +34,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.storage.IMountService;
 import android.provider.Settings;
 import android.security.KeyStore;
@@ -246,7 +246,7 @@
         if (callingUid == android.os.Process.SYSTEM_UID) {
             return mCurrentUserId;
         } else {
-            return UserId.getUserId(callingUid);
+            return UserHandle.getUserId(callingUid);
         }
     }
 
diff --git a/core/java/com/android/internal/widget/LockSettingsService.java b/core/java/com/android/internal/widget/LockSettingsService.java
index 2fb81ac..350e006 100644
--- a/core/java/com/android/internal/widget/LockSettingsService.java
+++ b/core/java/com/android/internal/widget/LockSettingsService.java
@@ -25,7 +25,7 @@
 import android.os.Binder;
 import android.os.RemoteException;
 import android.os.SystemProperties;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.provider.Settings;
 import android.provider.Settings.Secure;
 import android.text.TextUtils;
@@ -97,7 +97,7 @@
 
     private static final void checkWritePermission(int userId) {
         final int callingUid = Binder.getCallingUid();
-        if (UserId.getAppId(callingUid) != android.os.Process.SYSTEM_UID) {
+        if (UserHandle.getAppId(callingUid) != android.os.Process.SYSTEM_UID) {
             throw new SecurityException("uid=" + callingUid
                     + " not authorized to write lock settings");
         }
@@ -105,7 +105,7 @@
 
     private static final void checkPasswordReadPermission(int userId) {
         final int callingUid = Binder.getCallingUid();
-        if (UserId.getAppId(callingUid) != android.os.Process.SYSTEM_UID) {
+        if (UserHandle.getAppId(callingUid) != android.os.Process.SYSTEM_UID) {
             throw new SecurityException("uid=" + callingUid
                     + " not authorized to read lock password");
         }
@@ -113,8 +113,8 @@
 
     private static final void checkReadPermission(int userId) {
         final int callingUid = Binder.getCallingUid();
-        if (UserId.getAppId(callingUid) != android.os.Process.SYSTEM_UID
-                && UserId.getUserId(callingUid) != userId) {
+        if (UserHandle.getAppId(callingUid) != android.os.Process.SYSTEM_UID
+                && UserHandle.getUserId(callingUid) != userId) {
             throw new SecurityException("uid=" + callingUid
                     + " not authorized to read settings of user " + userId);
         }
diff --git a/core/tests/coretests/src/android/content/pm/AppCacheTest.java b/core/tests/coretests/src/android/content/pm/AppCacheTest.java
index 0c31e2d..8d53db9 100755
--- a/core/tests/coretests/src/android/content/pm/AppCacheTest.java
+++ b/core/tests/coretests/src/android/content/pm/AppCacheTest.java
@@ -24,7 +24,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.StatFs;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.LargeTest;
 import android.test.suitebuilder.annotation.MediumTest;
@@ -719,7 +719,7 @@
     File getDataDir() {
         try {
             ApplicationInfo appInfo = getPm().getApplicationInfo(mContext.getPackageName(), 0,
-                    UserId.myUserId());
+                    UserHandle.myUserId());
             return new File(appInfo.dataDir);
         } catch (RemoteException e) {
             throw new RuntimeException("Pacakge manager dead", e);
@@ -748,7 +748,7 @@
     
     @LargeTest
     public void testClearApplicationUserDataNoObserver() throws Exception {
-        getPm().clearApplicationUserData(mContext.getPackageName(), null, UserId.myUserId());
+        getPm().clearApplicationUserData(mContext.getPackageName(), null, UserHandle.myUserId());
         //sleep for 1 minute
         Thread.sleep(60*1000);
         //confirm files dont exist
diff --git a/core/tests/coretests/src/android/os/ProcessTest.java b/core/tests/coretests/src/android/os/ProcessTest.java
index 598a8d2..1f5b7c8 100644
--- a/core/tests/coretests/src/android/os/ProcessTest.java
+++ b/core/tests/coretests/src/android/os/ProcessTest.java
@@ -18,7 +18,7 @@
 package android.os;
 
 import android.os.Process;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.test.suitebuilder.annotation.MediumTest;
 import android.test.suitebuilder.annotation.SmallTest;
 
@@ -32,10 +32,10 @@
         assertEquals(android.os.Process.SYSTEM_UID, Process.getUidForName("system"));
         assertEquals(Process.BLUETOOTH_UID, Process.getUidForName("bluetooth"));
         assertEquals(Process.FIRST_APPLICATION_UID, Process.getUidForName("u0_a0"));
-        assertEquals(UserId.getUid(1, Process.SYSTEM_UID), Process.getUidForName("u1_system"));
-        assertEquals(UserId.getUid(2, Process.FIRST_ISOLATED_UID),
+        assertEquals(UserHandle.getUid(1, Process.SYSTEM_UID), Process.getUidForName("u1_system"));
+        assertEquals(UserHandle.getUid(2, Process.FIRST_ISOLATED_UID),
                 Process.getUidForName("u2_i0"));
-        assertEquals(UserId.getUid(3, Process.FIRST_APPLICATION_UID + 100),
+        assertEquals(UserHandle.getUid(3, Process.FIRST_APPLICATION_UID + 100),
                 Process.getUidForName("u3_a100"));
     }
 
diff --git a/opengl/java/com/google/android/gles_jni/GLImpl.java b/opengl/java/com/google/android/gles_jni/GLImpl.java
index 07f9e91..6b23be9 100644
--- a/opengl/java/com/google/android/gles_jni/GLImpl.java
+++ b/opengl/java/com/google/android/gles_jni/GLImpl.java
@@ -23,7 +23,7 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
 import android.os.Build;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Log;
 
 import java.nio.Buffer;
@@ -68,7 +68,7 @@
         int version = 0;
         IPackageManager pm = AppGlobals.getPackageManager();
         try {
-            ApplicationInfo applicationInfo = pm.getApplicationInfo(appName, 0, UserId.myUserId());
+            ApplicationInfo applicationInfo = pm.getApplicationInfo(appName, 0, UserHandle.myUserId());
             if (applicationInfo != null) {
                 version = applicationInfo.targetSdkVersion;
             }
diff --git a/packages/SystemUI/src/com/android/systemui/SearchPanelView.java b/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
index b36e71a..a2f43fd 100644
--- a/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
@@ -24,7 +24,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Resources;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.Vibrator;
 import android.provider.Settings;
 import android.util.AttributeSet;
@@ -75,14 +75,14 @@
         mBar.animateCollapse(CommandQueue.FLAG_EXCLUDE_SEARCH_PANEL);
         // Launch Assist
         Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
-                .getAssistIntent(mContext, UserId.USER_CURRENT);
+                .getAssistIntent(mContext, UserHandle.USER_CURRENT);
         if (intent == null) return;
         try {
             ActivityOptions opts = ActivityOptions.makeCustomAnimation(mContext,
                     R.anim.search_launch_enter, R.anim.search_launch_exit,
                     getHandler(), this);
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            mContext.startActivityAsUser(intent, opts.toBundle(), UserId.USER_CURRENT);
+            mContext.startActivityAsUser(intent, opts.toBundle(), UserHandle.USER_CURRENT);
         } catch (ActivityNotFoundException e) {
             Slog.w(TAG, "Activity not found for " + intent.getAction());
             onAnimationStarted();
@@ -143,7 +143,7 @@
 
     private void maybeSwapSearchIcon() {
         Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
-                .getAssistIntent(mContext, UserId.USER_CURRENT);
+                .getAssistIntent(mContext, UserHandle.USER_CURRENT);
         if (intent != null) {
             ComponentName component = intent.getComponent();
             if (component == null || !mGlowPadView.replaceTargetDrawablesIfPresent(component,
@@ -281,6 +281,6 @@
 
     public boolean isAssistantAvailable() {
         return ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
-                .getAssistIntent(mContext, UserId.USER_CURRENT) != null;
+                .getAssistIntent(mContext, UserHandle.USER_CURRENT) != null;
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentTasksLoader.java b/packages/SystemUI/src/com/android/systemui/recent/RecentTasksLoader.java
index 3e03f85..4d8c168 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentTasksLoader.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentTasksLoader.java
@@ -30,7 +30,7 @@
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.Process;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Log;
 
 import com.android.systemui.R;
@@ -245,7 +245,7 @@
 
                 final List<ActivityManager.RecentTaskInfo> recentTasks =
                         am.getRecentTasksForUser(MAX_TASKS,
-                                ActivityManager.RECENT_IGNORE_UNAVAILABLE, UserId.USER_CURRENT);
+                                ActivityManager.RECENT_IGNORE_UNAVAILABLE, UserHandle.USER_CURRENT);
                 int numTasks = recentTasks.size();
                 ActivityInfo homeInfo = new Intent(Intent.ACTION_MAIN)
                         .addCategory(Intent.CATEGORY_HOME).resolveActivityInfo(pm, 0);
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
index bb647c3..7d36152 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
@@ -36,7 +36,7 @@
 import android.net.Uri;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -790,7 +790,7 @@
                     | Intent.FLAG_ACTIVITY_TASK_ON_HOME
                     | Intent.FLAG_ACTIVITY_NEW_TASK);
             if (DEBUG) Log.v(TAG, "Starting activity " + intent);
-            context.startActivityAsUser(intent, opts.toBundle(), UserId.USER_CURRENT);
+            context.startActivityAsUser(intent, opts.toBundle(), UserHandle.USER_CURRENT);
         }
         if (usingDrawingCache) {
             holder.thumbnailViewImage.setDrawingCacheEnabled(false);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index c9c7753..7598537 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -49,7 +49,7 @@
 import android.os.Message;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.provider.Settings;
 import android.text.TextUtils;
 import android.util.Log;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 8884179..ad06c1b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -46,7 +46,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.provider.Settings;
 import android.service.dreams.IDreamManager;
 import android.util.DisplayMetrics;
@@ -1783,7 +1783,7 @@
             } catch (RemoteException e) {
             }
             v.getContext().startActivityAsUser(new Intent(Settings.ACTION_SETTINGS)
-                    .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK), UserId.USER_CURRENT);
+                    .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK), UserHandle.USER_CURRENT);
             animateCollapse();
         }
     };
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java
index da161a9..ffe69e2 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java
@@ -19,7 +19,7 @@
 import android.app.StatusBarManager;
 import android.content.Context;
 import android.content.Intent;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.Slog;
@@ -119,7 +119,7 @@
     // ----------------------------
     private void onClickSettings() {
         getContext().startActivityAsUser(new Intent(Settings.ACTION_SETTINGS)
-                .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK), UserId.USER_CURRENT);
+                .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK), UserHandle.USER_CURRENT);
         getStatusBarManager().collapse();
     }
 }
diff --git a/policy/src/com/android/internal/policy/impl/LockScreen.java b/policy/src/com/android/internal/policy/impl/LockScreen.java
index 8645172..5f5c105 100644
--- a/policy/src/com/android/internal/policy/impl/LockScreen.java
+++ b/policy/src/com/android/internal/policy/impl/LockScreen.java
@@ -32,7 +32,7 @@
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.content.res.Resources;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.Vibrator;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
@@ -277,7 +277,7 @@
             // Update the search icon with drawable from the search .apk
             if (!mSearchDisabled) {
                 Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
-                        .getAssistIntent(mContext, UserId.USER_CURRENT);
+                        .getAssistIntent(mContext, UserHandle.USER_CURRENT);
                 if (intent != null) {
                     // XXX Hack. We need to substitute the icon here but haven't formalized
                     // the public API. The "_google" metadata will be going away, so
@@ -313,7 +313,7 @@
                 case com.android.internal.R.drawable.ic_action_assist_generic:
                     Intent assistIntent =
                             ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
-                            .getAssistIntent(mContext, UserId.USER_CURRENT);
+                            .getAssistIntent(mContext, UserHandle.USER_CURRENT);
                     if (assistIntent != null) {
                         launchActivity(assistIntent);
                     } else {
@@ -354,7 +354,7 @@
                 Log.w(TAG, "can't dismiss keyguard on launch");
             }
             try {
-                mContext.startActivityAsUser(intent, UserId.USER_CURRENT);
+                mContext.startActivityAsUser(intent, UserHandle.USER_CURRENT);
             } catch (ActivityNotFoundException e) {
                 Log.w(TAG, "Activity not found for intent + " + intent.getAction());
             }
@@ -532,7 +532,7 @@
         }
         boolean searchActionAvailable =
                 ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
-                .getAssistIntent(mContext, UserId.USER_CURRENT) != null;
+                .getAssistIntent(mContext, UserHandle.USER_CURRENT) != null;
         mCameraDisabled = disabledByAdmin || disabledBySimState || !cameraTargetPresent;
         mSearchDisabled = disabledBySimState || !searchActionAvailable || !searchTargetPresent;
         mUnlockWidgetMethods.updateResources();
diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index c036e1b..b91eb00 100755
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -54,7 +54,7 @@
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.os.UEventObserver;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.Vibrator;
 import android.provider.Settings;
 
@@ -2064,7 +2064,7 @@
             if (searchManager != null) {
                 searchManager.stopSearch();
             }
-            mContext.startActivityAsUser(intent, UserId.USER_CURRENT);
+            mContext.startActivityAsUser(intent, UserHandle.USER_CURRENT);
         } catch (ActivityNotFoundException e) {
             Slog.w(TAG, "No activity to handle assist long press action.", e);
         }
@@ -2073,13 +2073,13 @@
     private void launchAssistAction() {
         sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
         Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
-                .getAssistIntent(mContext, UserId.USER_CURRENT);
+                .getAssistIntent(mContext, UserHandle.USER_CURRENT);
         if (intent != null) {
             intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
                     | Intent.FLAG_ACTIVITY_SINGLE_TOP
                     | Intent.FLAG_ACTIVITY_CLEAR_TOP);
             try {
-                mContext.startActivityAsUser(intent, UserId.USER_CURRENT);
+                mContext.startActivityAsUser(intent, UserHandle.USER_CURRENT);
             } catch (ActivityNotFoundException e) {
                 Slog.w(TAG, "No activity to handle assist action.", e);
             }
diff --git a/services/java/com/android/server/AppWidgetServiceImpl.java b/services/java/com/android/server/AppWidgetServiceImpl.java
index 48f967c..5250dfc 100644
--- a/services/java/com/android/server/AppWidgetServiceImpl.java
+++ b/services/java/com/android/server/AppWidgetServiceImpl.java
@@ -43,7 +43,7 @@
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.AtomicFile;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -593,7 +593,7 @@
     private boolean callerHasBindAppWidgetPermission(String packageName) {
         int callingUid = Binder.getCallingUid();
         try {
-            if (!UserId.isSameApp(callingUid, getUidForPackage(packageName))) {
+            if (!UserHandle.isSameApp(callingUid, getUidForPackage(packageName))) {
                 return false;
             }
         } catch (Exception e) {
@@ -665,7 +665,7 @@
                 mBoundRemoteViewsServices.remove(key);
             }
 
-            int userId = UserId.getUserId(id.provider.uid);
+            int userId = UserHandle.getUserId(id.provider.uid);
             // Bind to the RemoteViewsService (which will trigger a callback to the
             // RemoteViewsAdapter.onServiceConnected())
             final long token = Binder.clearCallingIdentity();
@@ -756,7 +756,7 @@
             }
         };
 
-        int userId = UserId.getUserId(id.provider.uid);
+        int userId = UserHandle.getUserId(id.provider.uid);
         // Bind to the service and remove the static intent->factory mapping in the
         // RemoteViewsService.
         final long token = Binder.clearCallingIdentity();
@@ -1026,7 +1026,7 @@
                             }
                         };
 
-                        int userId = UserId.getUserId(id.provider.uid);
+                        int userId = UserHandle.getUserId(id.provider.uid);
                         // Bind to the service and call onDataSetChanged()
                         final long token = Binder.clearCallingIdentity();
                         try {
@@ -1375,7 +1375,7 @@
             throw new IllegalArgumentException("packageName and uid don't match packageName="
                     + packageName);
         }
-        if (!UserId.isSameApp(callingUid, packageUid)) {
+        if (!UserHandle.isSameApp(callingUid, packageUid)) {
             throw new IllegalArgumentException("packageName and uid don't match packageName="
                     + packageName);
         }
diff --git a/services/java/com/android/server/BackupManagerService.java b/services/java/com/android/server/BackupManagerService.java
index 4542840..8be0ba8 100644
--- a/services/java/com/android/server/BackupManagerService.java
+++ b/services/java/com/android/server/BackupManagerService.java
@@ -65,7 +65,7 @@
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.WorkSource;
 import android.os.storage.IMountService;
 import android.provider.Settings;
@@ -4846,8 +4846,8 @@
     // ----- IBackupManager binder interface -----
 
     public void dataChanged(final String packageName) {
-        final int callingUserHandle = UserId.getCallingUserId();
-        if (callingUserHandle != UserId.USER_OWNER) {
+        final int callingUserHandle = UserHandle.getCallingUserId();
+        if (callingUserHandle != UserHandle.USER_OWNER) {
             // App is running under a non-owner user profile.  For now, we do not back
             // up data from secondary user profiles.
             // TODO: backups for all user profiles.
@@ -4950,8 +4950,8 @@
             boolean doAllApps, boolean includeSystem, String[] pkgList) {
         mContext.enforceCallingPermission(android.Manifest.permission.BACKUP, "fullBackup");
 
-        final int callingUserHandle = UserId.getCallingUserId();
-        if (callingUserHandle != UserId.USER_OWNER) {
+        final int callingUserHandle = UserHandle.getCallingUserId();
+        if (callingUserHandle != UserHandle.USER_OWNER) {
             throw new IllegalStateException("Backup supported only for the device owner");
         }
 
@@ -5019,8 +5019,8 @@
     public void fullRestore(ParcelFileDescriptor fd) {
         mContext.enforceCallingPermission(android.Manifest.permission.BACKUP, "fullRestore");
 
-        final int callingUserHandle = UserId.getCallingUserId();
-        if (callingUserHandle != UserId.USER_OWNER) {
+        final int callingUserHandle = UserHandle.getCallingUserId();
+        if (callingUserHandle != UserHandle.USER_OWNER) {
             throw new IllegalStateException("Restore supported only for the device owner");
         }
 
diff --git a/services/java/com/android/server/ClipboardService.java b/services/java/com/android/server/ClipboardService.java
index 8a6a550..baf33a9 100644
--- a/services/java/com/android/server/ClipboardService.java
+++ b/services/java/com/android/server/ClipboardService.java
@@ -36,7 +36,7 @@
 import android.os.Process;
 import android.os.RemoteCallbackList;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Pair;
 import android.util.Slog;
 import android.util.SparseArray;
@@ -115,7 +115,7 @@
     }
 
     private PerUserClipboard getClipboard() {
-        return getClipboard(UserId.getCallingUserId());
+        return getClipboard(UserHandle.getCallingUserId());
     }
 
     private PerUserClipboard getClipboard(int userId) {
@@ -258,7 +258,7 @@
         PackageInfo pi;
         try {
             pi = mPm.getPackageInfo(pkg, 0);
-            if (!UserId.isSameApp(pi.applicationInfo.uid, uid)) {
+            if (!UserHandle.isSameApp(pi.applicationInfo.uid, uid)) {
                 throw new SecurityException("Calling uid " + uid
                         + " does not own package " + pkg);
             }
diff --git a/services/java/com/android/server/MountService.java b/services/java/com/android/server/MountService.java
index 04267a3..bb5d552 100644
--- a/services/java/com/android/server/MountService.java
+++ b/services/java/com/android/server/MountService.java
@@ -48,7 +48,7 @@
 import android.os.ServiceManager;
 import android.os.SystemClock;
 import android.os.SystemProperties;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.storage.IMountService;
 import android.os.storage.IMountServiceListener;
 import android.os.storage.IMountShutdownObserver;
@@ -1713,7 +1713,7 @@
             return false;
         }
 
-        final int packageUid = mPms.getPackageUid(packageName, UserId.getUserId(callerUid));
+        final int packageUid = mPms.getPackageUid(packageName, UserHandle.getUserId(callerUid));
 
         if (DEBUG_OBB) {
             Slog.d(TAG, "packageName = " + packageName + ", packageUid = " +
diff --git a/services/java/com/android/server/NotificationManagerService.java b/services/java/com/android/server/NotificationManagerService.java
index 798915b..a565d08 100755
--- a/services/java/com/android/server/NotificationManagerService.java
+++ b/services/java/com/android/server/NotificationManagerService.java
@@ -48,7 +48,7 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.ServiceManager;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.Vibrator;
 import android.provider.Settings;
 import android.service.dreams.IDreamManager;
@@ -1286,7 +1286,7 @@
         try {
             ApplicationInfo ai = mContext.getPackageManager().getApplicationInfo(
                     pkg, 0);
-            if (!UserId.isSameApp(ai.uid, uid)) {
+            if (!UserHandle.isSameApp(ai.uid, uid)) {
                 throw new SecurityException("Calling uid " + uid + " gave package"
                         + pkg + " which is owned by uid " + ai.uid);
             }
diff --git a/services/java/com/android/server/WallpaperManagerService.java b/services/java/com/android/server/WallpaperManagerService.java
index d97d335..c5243a2 100644
--- a/services/java/com/android/server/WallpaperManagerService.java
+++ b/services/java/com/android/server/WallpaperManagerService.java
@@ -47,7 +47,7 @@
 import android.os.RemoteCallbackList;
 import android.os.ServiceManager;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.service.wallpaper.IWallpaperConnection;
 import android.service.wallpaper.IWallpaperEngine;
 import android.service.wallpaper.IWallpaperService;
@@ -483,7 +483,7 @@
     public void clearWallpaper() {
         if (DEBUG) Slog.v(TAG, "clearWallpaper");
         synchronized (mLock) {
-            clearWallpaperLocked(false, UserId.getCallingUserId());
+            clearWallpaperLocked(false, UserHandle.getCallingUserId());
         }
     }
 
@@ -520,7 +520,7 @@
     public void setDimensionHints(int width, int height) throws RemoteException {
         checkPermission(android.Manifest.permission.SET_WALLPAPER_HINTS);
 
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
         WallpaperData wallpaper = mWallpaperMap.get(userId);
         if (wallpaper == null) {
             throw new IllegalStateException("Wallpaper not yet initialized for user " + userId);
@@ -551,14 +551,14 @@
 
     public int getWidthHint() throws RemoteException {
         synchronized (mLock) {
-            WallpaperData wallpaper = mWallpaperMap.get(UserId.getCallingUserId());
+            WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId());
             return wallpaper.width;
         }
     }
 
     public int getHeightHint() throws RemoteException {
         synchronized (mLock) {
-            WallpaperData wallpaper = mWallpaperMap.get(UserId.getCallingUserId());
+            WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId());
             return wallpaper.height;
         }
     }
@@ -573,7 +573,7 @@
             if (callingUid == android.os.Process.SYSTEM_UID) {
                 wallpaperUserId = mCurrentUserId;
             } else {
-                wallpaperUserId = UserId.getUserId(callingUid);
+                wallpaperUserId = UserHandle.getUserId(callingUid);
             }
             WallpaperData wallpaper = mWallpaperMap.get(wallpaperUserId);
             try {
@@ -596,7 +596,7 @@
     }
 
     public WallpaperInfo getWallpaperInfo() {
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
         synchronized (mLock) {
             WallpaperData wallpaper = mWallpaperMap.get(userId);
             if (wallpaper.connection != null) {
@@ -608,7 +608,7 @@
 
     public ParcelFileDescriptor setWallpaper(String name) {
         if (DEBUG) Slog.v(TAG, "setWallpaper");
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
         WallpaperData wallpaper = mWallpaperMap.get(userId);
         if (wallpaper == null) {
             throw new IllegalStateException("Wallpaper not yet initialized for user " + userId);
@@ -651,7 +651,7 @@
 
     public void setWallpaperComponent(ComponentName name) {
         if (DEBUG) Slog.v(TAG, "setWallpaperComponent name=" + name);
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
         WallpaperData wallpaper = mWallpaperMap.get(userId);
         if (wallpaper == null) {
             throw new IllegalStateException("Wallpaper not yet initialized for user " + userId);
diff --git a/services/java/com/android/server/am/ActiveServices.java b/services/java/com/android/server/am/ActiveServices.java
index 632c2f2..d8ccabb 100644
--- a/services/java/com/android/server/am/ActiveServices.java
+++ b/services/java/com/android/server/am/ActiveServices.java
@@ -51,7 +51,7 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.EventLog;
 import android.util.Log;
 import android.util.Slog;
@@ -226,7 +226,7 @@
 
         ServiceLookupResult res =
             retrieveServiceLocked(service, resolvedType,
-                    callingPid, callingUid, UserId.getUserId(callingUid), true);
+                    callingPid, callingUid, UserHandle.getUserId(callingUid), true);
         if (res == null) {
             return null;
         }
@@ -279,7 +279,7 @@
         // If this service is active, make sure it is stopped.
         ServiceLookupResult r = retrieveServiceLocked(service, resolvedType,
                 Binder.getCallingPid(), Binder.getCallingUid(),
-                callerApp == null ? UserId.getCallingUserId() : callerApp.userId,
+                callerApp == null ? UserHandle.getCallingUserId() : callerApp.userId,
                 false);
         if (r != null) {
             if (r.record != null) {
@@ -300,7 +300,7 @@
     IBinder peekServiceLocked(Intent service, String resolvedType) {
         ServiceLookupResult r = retrieveServiceLocked(service, resolvedType,
                 Binder.getCallingPid(), Binder.getCallingUid(),
-                UserId.getCallingUserId(), false);
+                UserHandle.getCallingUserId(), false);
 
         IBinder ret = null;
         if (r != null) {
@@ -759,8 +759,8 @@
                     }
                     r = new ServiceRecord(mAm, ss, name, filter, sInfo, res);
                     res.setService(r);
-                    mServiceMap.putServiceByName(name, UserId.getUserId(r.appInfo.uid), r);
-                    mServiceMap.putServiceByIntent(filter, UserId.getUserId(r.appInfo.uid), r);
+                    mServiceMap.putServiceByName(name, UserHandle.getUserId(r.appInfo.uid), r);
+                    mServiceMap.putServiceByIntent(filter, UserHandle.getUserId(r.appInfo.uid), r);
 
                     // Make sure this component isn't in the pending list.
                     int N = mPendingServices.size();
@@ -1725,7 +1725,7 @@
         ArrayList<ActivityManager.RunningServiceInfo> res
                 = new ArrayList<ActivityManager.RunningServiceInfo>();
 
-        int userId = UserId.getUserId(Binder.getCallingUid());
+        int userId = UserHandle.getUserId(Binder.getCallingUid());
         if (mServiceMap.getAllServices(userId).size() > 0) {
             Iterator<ServiceRecord> it
                     = mServiceMap.getAllServices(userId).iterator();
@@ -1746,7 +1746,7 @@
     }
 
     public PendingIntent getRunningServiceControlPanelLocked(ComponentName name) {
-        int userId = UserId.getUserId(Binder.getCallingUid());
+        int userId = UserHandle.getUserId(Binder.getCallingUid());
         ServiceRecord r = mServiceMap.getServiceByName(name, userId);
         if (r != null) {
             for (ArrayList<ConnectionRecord> conn : r.connections.values()) {
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 0c378c9..0eb9983 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -111,7 +111,7 @@
 import android.os.StrictMode;
 import android.os.SystemClock;
 import android.os.SystemProperties;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.text.format.Time;
@@ -1084,7 +1084,7 @@
                     boolean restart = (msg.arg2 == 1);
                     String pkg = (String) msg.obj;
                     forceStopPackageLocked(pkg, uid, restart, false, true, false,
-                            UserId.getUserId(uid));
+                            UserHandle.getUserId(uid));
                 }
             } break;
             case FINALIZE_PENDING_INTENT_MSG: {
@@ -1829,7 +1829,7 @@
             if (procs == null) return null;
             final int N = procs.size();
             for (int i = 0; i < N; i++) {
-                if (UserId.isSameUser(procs.keyAt(i), uid)) return procs.valueAt(i);
+                if (UserHandle.isSameUser(procs.keyAt(i), uid)) return procs.valueAt(i);
             }
         }
         ProcessRecord proc = mProcessNames.get(processName, uid);
@@ -2195,7 +2195,7 @@
     }
 
     void enforceNotIsolatedCaller(String caller) {
-        if (UserId.isIsolated(Binder.getCallingUid())) {
+        if (UserHandle.isIsolated(Binder.getCallingUid())) {
             throw new SecurityException("Isolated process not allowed to call " + caller);
         }
     }
@@ -2324,7 +2324,7 @@
             String resultWho, int requestCode, int startFlags,
             String profileFile, ParcelFileDescriptor profileFd, Bundle options) {
         return startActivityAsUser(caller, intent, resolvedType, resultTo, resultWho, requestCode,
-                startFlags, profileFile, profileFd, options, UserId.getCallingUserId());
+                startFlags, profileFile, profileFd, options, UserHandle.getCallingUserId());
     }
 
     public final int startActivityAsUser(IApplicationThread caller,
@@ -2332,20 +2332,20 @@
             String resultWho, int requestCode, int startFlags,
             String profileFile, ParcelFileDescriptor profileFd, Bundle options, int userId) {
         enforceNotIsolatedCaller("startActivity");
-        if (userId != UserId.getCallingUserId()) {
+        if (userId != UserHandle.getCallingUserId()) {
             // Requesting a different user, make sure that they have the permission
             if (checkComponentPermission(
                     android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
                     Binder.getCallingPid(), Binder.getCallingUid(), -1, true)
                     == PackageManager.PERMISSION_GRANTED) {
                 // Translate to the current user id, if caller wasn't aware
-                if (userId == UserId.USER_CURRENT) {
+                if (userId == UserHandle.USER_CURRENT) {
                     userId = mCurrentUserId;
                 }
             } else {
                 String msg = "Permission Denial: "
                         + "Request to startActivity as user " + userId
-                        + " but is calling from user " + UserId.getCallingUserId()
+                        + " but is calling from user " + UserHandle.getCallingUserId()
                         + "; this requires "
                         + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL;
                 Slog.w(TAG, msg);
@@ -2457,7 +2457,7 @@
                     AppGlobals.getPackageManager().queryIntentActivities(
                             intent, r.resolvedType,
                             PackageManager.MATCH_DEFAULT_ONLY | STOCK_PM_FLAGS,
-                            UserId.getCallingUserId());
+                            UserHandle.getCallingUserId());
 
                 // Look for the original activity in the list...
                 final int N = resolves != null ? resolves.size() : 0;
@@ -2562,7 +2562,7 @@
                     "startActivityInPackage only available to the system");
         }
         int ret = mMainStack.startActivities(null, uid, intents, resolvedTypes, resultTo,
-                options, UserId.getUserId(uid));
+                options, UserHandle.getUserId(uid));
         return ret;
     }
 
@@ -3428,7 +3428,7 @@
             throw new SecurityException(msg);
         }
         
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
         long callingId = Binder.clearCallingIdentity();
         try {
             IPackageManager pm = AppGlobals.getPackageManager();
@@ -3502,7 +3502,7 @@
             Slog.w(TAG, msg);
             throw new SecurityException(msg);
         }
-        final int userId = UserId.getCallingUserId();
+        final int userId = UserHandle.getCallingUserId();
         long callingId = Binder.clearCallingIdentity();
         try {
             IPackageManager pm = AppGlobals.getPackageManager();
@@ -3638,7 +3638,7 @@
     }
 
     private void forceStopPackageLocked(final String packageName, int uid) {
-        forceStopPackageLocked(packageName, uid, false, false, true, false, UserId.getUserId(uid));
+        forceStopPackageLocked(packageName, uid, false, false, true, false, UserHandle.getUserId(uid));
         Intent intent = new Intent(Intent.ACTION_PACKAGE_RESTARTED,
                 Uri.fromParts("package", packageName, null));
         if (!mProcessesReady) {
@@ -3648,7 +3648,7 @@
         broadcastIntentLocked(null, null, intent,
                 null, null, 0, null, null, null,
                 false, false,
-                MY_PID, Process.SYSTEM_UID, UserId.getUserId(uid));
+                MY_PID, Process.SYSTEM_UID, UserHandle.getUserId(uid));
     }
     
     private final boolean killPackageProcessesLocked(String packageName, int uid,
@@ -4369,8 +4369,8 @@
             try {
                 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
                     int uid = AppGlobals.getPackageManager()
-                            .getPackageUid(packageName, UserId.getUserId(callingUid));
-                    if (!UserId.isSameApp(callingUid, uid)) {
+                            .getPackageUid(packageName, UserHandle.getUserId(callingUid));
+                    if (!UserHandle.isSameApp(callingUid, uid)) {
                         String msg = "Permission Denial: getIntentSender() from pid="
                             + Binder.getCallingPid()
                             + ", uid=" + Binder.getCallingUid()
@@ -4466,8 +4466,8 @@
             PendingIntentRecord rec = (PendingIntentRecord)sender;
             try {
                 int uid = AppGlobals.getPackageManager()
-                        .getPackageUid(rec.key.packageName, UserId.getCallingUserId());
-                if (!UserId.isSameApp(uid, Binder.getCallingUid())) {
+                        .getPackageUid(rec.key.packageName, UserHandle.getCallingUserId());
+                if (!UserHandle.isSameApp(uid, Binder.getCallingUid())) {
                     String msg = "Permission Denial: cancelIntentSender() from pid="
                         + Binder.getCallingPid()
                         + ", uid=" + Binder.getCallingUid()
@@ -4686,7 +4686,7 @@
         if (permission == null) {
             return PackageManager.PERMISSION_DENIED;
         }
-        return checkComponentPermission(permission, pid, UserId.getAppId(uid), -1, true);
+        return checkComponentPermission(permission, pid, UserHandle.getAppId(uid), -1, true);
     }
 
     /**
@@ -4696,7 +4696,7 @@
     int checkCallingPermission(String permission) {
         return checkPermission(permission,
                 Binder.getCallingPid(),
-                UserId.getAppId(Binder.getCallingUid()));
+                UserHandle.getAppId(Binder.getCallingUid()));
     }
 
     /**
@@ -4827,7 +4827,7 @@
             pid = tlsIdentity.pid;
         }
 
-        uid = UserId.getAppId(uid);
+        uid = UserHandle.getAppId(uid);
         // Our own process gets to do everything.
         if (pid == MY_PID) {
             return PackageManager.PERMISSION_GRANTED;
@@ -4873,13 +4873,13 @@
         String name = uri.getAuthority();
         ProviderInfo pi = null;
         ContentProviderRecord cpr = mProviderMap.getProviderByName(name,
-                UserId.getUserId(callingUid));
+                UserHandle.getUserId(callingUid));
         if (cpr != null) {
             pi = cpr.info;
         } else {
             try {
                 pi = pm.resolveContentProvider(name,
-                        PackageManager.GET_URI_PERMISSION_PATTERNS, UserId.getUserId(callingUid));
+                        PackageManager.GET_URI_PERMISSION_PATTERNS, UserHandle.getUserId(callingUid));
             } catch (RemoteException ex) {
             }
         }
@@ -4891,7 +4891,7 @@
         int targetUid = lastTargetUid;
         if (targetUid < 0 && targetPkg != null) {
             try {
-                targetUid = pm.getPackageUid(targetPkg, UserId.getUserId(callingUid));
+                targetUid = pm.getPackageUid(targetPkg, UserHandle.getUserId(callingUid));
                 if (targetUid < 0) {
                     if (DEBUG_URI_PERMISSION) Slog.v(TAG,
                             "Can't grant URI permission no uid for: " + targetPkg);
@@ -5183,7 +5183,7 @@
 
         final String authority = uri.getAuthority();
         ProviderInfo pi = null;
-        int userId = UserId.getUserId(callingUid);
+        int userId = UserHandle.getUserId(callingUid);
         ContentProviderRecord cpr = mProviderMap.getProviderByName(authority, userId);
         if (cpr != null) {
             pi = cpr.info;
@@ -5521,7 +5521,7 @@
     public List<ActivityManager.RecentTaskInfo> getRecentTasks(int maxNum,
             int flags, int userId) {
         final int callingUid = Binder.getCallingUid();
-        if (userId != UserId.getCallingUserId()) {
+        if (userId != UserHandle.getCallingUserId()) {
             // Check if the caller is holding permissions for cross-user requests.
             if (checkComponentPermission(
                     android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
@@ -5529,13 +5529,13 @@
                     != PackageManager.PERMISSION_GRANTED) {
                 String msg = "Permission Denial: "
                         + "Request to get recent tasks for user " + userId
-                        + " but is calling from user " + UserId.getUserId(callingUid)
+                        + " but is calling from user " + UserHandle.getUserId(callingUid)
                         + "; this requires "
                         + android.Manifest.permission.INTERACT_ACROSS_USERS_FULL;
                 Slog.w(TAG, msg);
                 throw new SecurityException(msg);
             } else {
-                if (userId == UserId.USER_CURRENT) {
+                if (userId == UserHandle.USER_CURRENT) {
                     userId = mCurrentUserId;
                 }
             }
@@ -6006,7 +6006,7 @@
                     (ProviderInfo)providers.get(i);
                 boolean singleton = isSingleton(cpi.processName, cpi.applicationInfo,
                         cpi.name, cpi.flags);
-                if (singleton && UserId.getUserId(app.uid) != 0) {
+                if (singleton && UserHandle.getUserId(app.uid) != 0) {
                     // This is a singleton provider, but a user besides the
                     // default user is asking to initialize a process it runs
                     // in...  well, no, it doesn't actually run in this process,
@@ -6177,7 +6177,7 @@
             }
 
             // First check if this content provider has been published...
-            int userId = UserId.getUserId(r != null ? r.uid : Binder.getCallingUid());
+            int userId = UserHandle.getUserId(r != null ? r.uid : Binder.getCallingUid());
             cpr = mProviderMap.getProviderByName(name, userId);
             boolean providerRunning = cpr != null;
             if (providerRunning) {
@@ -6725,7 +6725,7 @@
         BatteryStatsImpl stats = mBatteryStatsService.getActiveStatistics();
         int uid = info.uid;
         if (isolated) {
-            int userId = UserId.getUserId(uid);
+            int userId = UserHandle.getUserId(uid);
             int stepsLeft = Process.LAST_ISOLATED_UID - Process.FIRST_ISOLATED_UID + 1;
             uid = 0;
             while (true) {
@@ -6733,7 +6733,7 @@
                         || mNextIsolatedProcessUid > Process.LAST_ISOLATED_UID) {
                     mNextIsolatedProcessUid = Process.FIRST_ISOLATED_UID;
                 }
-                uid = UserId.getUid(userId, mNextIsolatedProcessUid);
+                uid = UserHandle.getUid(userId, mNextIsolatedProcessUid);
                 mNextIsolatedProcessUid++;
                 if (mIsolatedProcesses.indexOfKey(uid) < 0) {
                     // No process for this uid, use it.
@@ -6771,7 +6771,7 @@
         // This package really, really can not be stopped.
         try {
             AppGlobals.getPackageManager().setPackageStoppedState(
-                    info.packageName, false, UserId.getUserId(app.uid));
+                    info.packageName, false, UserHandle.getUserId(app.uid));
         } catch (RemoteException e) {
         } catch (IllegalArgumentException e) {
             Slog.w(TAG, "Failed trying to unstop package "
@@ -8509,7 +8509,7 @@
             IPackageManager pm = AppGlobals.getPackageManager();
             for (String pkg : extList) {
                 try {
-                    ApplicationInfo info = pm.getApplicationInfo(pkg, 0, UserId.getCallingUserId());
+                    ApplicationInfo info = pm.getApplicationInfo(pkg, 0, UserHandle.getCallingUserId());
                     if ((info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) {
                         retList.add(info);
                     }
@@ -10258,10 +10258,10 @@
                 cpr.launchingApp = null;
                 cpr.notifyAll();
             }
-            mProviderMap.removeProviderByClass(cpr.name, UserId.getUserId(cpr.uid));
+            mProviderMap.removeProviderByClass(cpr.name, UserHandle.getUserId(cpr.uid));
             String names[] = cpr.info.authority.split(";");
             for (int j = 0; j < names.length; j++) {
-                mProviderMap.removeProviderByName(names[j], UserId.getUserId(cpr.uid));
+                mProviderMap.removeProviderByName(names[j], UserHandle.getUserId(cpr.uid));
             }
         }
 
@@ -10599,7 +10599,7 @@
     boolean isSingleton(String componentProcessName, ApplicationInfo aInfo,
             String className, int flags) {
         boolean result = false;
-        if (UserId.getAppId(aInfo.uid) >= Process.FIRST_APPLICATION_UID) {
+        if (UserHandle.getAppId(aInfo.uid) >= Process.FIRST_APPLICATION_UID) {
             if ((flags&ServiceInfo.FLAG_SINGLE_USER) != 0) {
                 if (ActivityManager.checkUidPermission(
                         android.Manifest.permission.INTERACT_ACROSS_USERS,
@@ -10704,7 +10704,7 @@
             // Backup agent is now in use, its package can't be stopped.
             try {
                 AppGlobals.getPackageManager().setPackageStoppedState(
-                        app.packageName, false, UserId.getUserId(app.uid));
+                        app.packageName, false, UserHandle.getUserId(app.uid));
             } catch (RemoteException e) {
             } catch (IllegalArgumentException e) {
                 Slog.w(TAG, "Failed trying to unstop package "
@@ -11046,7 +11046,7 @@
 
         // If the caller is trying to send this broadcast to a different
         // user, verify that is allowed.
-        if (UserId.getUserId(callingUid) != userId) {
+        if (UserHandle.getUserId(callingUid) != userId) {
             if (checkComponentPermission(
                     android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
                     callingPid, callingUid, -1, true)
@@ -11060,7 +11060,7 @@
                     String msg = "Permission Denial: " + intent.getAction()
                             + " broadcast from " + callerPackage
                             + " asks to send as user " + userId
-                            + " but is calling from user " + UserId.getUserId(callingUid)
+                            + " but is calling from user " + UserHandle.getUserId(callingUid)
                             + "; this requires "
                             + android.Manifest.permission.INTERACT_ACROSS_USERS;
                     Slog.w(TAG, msg);
@@ -11553,7 +11553,7 @@
                 throw new SecurityException(msg);
             }
 
-            int userId = UserId.getCallingUserId();
+            int userId = UserHandle.getCallingUserId();
             final long origId = Binder.clearCallingIdentity();
             // Instrumentation can kill and relaunch even persistent processes
             forceStopPackageLocked(ii.targetPackage, -1, true, false, true, true, userId);
@@ -11616,7 +11616,7 @@
 
     public void finishInstrumentation(IApplicationThread target,
             int resultCode, Bundle results) {
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
         // Refuse possible leaked file descriptors
         if (results != null && results.hasFileDescriptors()) {
             throw new IllegalArgumentException("File descriptors passed in Intent");
@@ -11929,7 +11929,7 @@
                 } else {
                     try {
                         ActivityInfo aInfo = AppGlobals.getPackageManager().getActivityInfo(
-                                destIntent.getComponent(), 0, UserId.getCallingUserId());
+                                destIntent.getComponent(), 0, UserHandle.getCallingUserId());
                         int res = mMainStack.startActivityLocked(srec.app.thread, destIntent,
                                 null, aInfo, parent.appToken, null,
                                 0, -1, parent.launchedFromUid, 0, null, true, null);
@@ -13509,7 +13509,7 @@
             for (Entry<String, SparseArray<ProcessRecord>> uidMap : map.entrySet()) {
                 SparseArray<ProcessRecord> uids = uidMap.getValue();
                 for (int i = 0; i < uids.size(); i++) {
-                    if (UserId.getUserId(uids.keyAt(i)) == extraUserId) {
+                    if (UserHandle.getUserId(uids.keyAt(i)) == extraUserId) {
                         pkgAndUids.add(new Pair<String,Integer>(uidMap.getKey(), uids.keyAt(i)));
                     }
                 }
@@ -13535,14 +13535,14 @@
     }
 
     private void checkValidCaller(int uid, int userId) {
-        if (UserId.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) return;
+        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) return;
 
         throw new SecurityException("Caller uid=" + uid
                 + " is not privileged to communicate with user=" + userId);
     }
 
     private int applyUserId(int uid, int userId) {
-        return UserId.getUid(userId, uid);
+        return UserHandle.getUid(userId, uid);
     }
 
     ApplicationInfo getAppInfoForUser(ApplicationInfo info, int userId) {
@@ -13556,7 +13556,7 @@
 
     ActivityInfo getActivityInfoForUser(ActivityInfo aInfo, int userId) {
         if (aInfo == null
-                || (userId < 1 && aInfo.applicationInfo.uid < UserId.PER_USER_RANGE)) {
+                || (userId < 1 && aInfo.applicationInfo.uid < UserHandle.PER_USER_RANGE)) {
             return aInfo;
         }
 
diff --git a/services/java/com/android/server/am/ActivityRecord.java b/services/java/com/android/server/am/ActivityRecord.java
index c40abb7..b0d480c 100644
--- a/services/java/com/android/server/am/ActivityRecord.java
+++ b/services/java/com/android/server/am/ActivityRecord.java
@@ -37,7 +37,7 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.EventLog;
 import android.util.Log;
 import android.util.Slog;
@@ -321,7 +321,7 @@
         appToken = new Token(this);
         info = aInfo;
         launchedFromUid = _launchedFromUid;
-        userId = UserId.getUserId(aInfo.applicationInfo.uid);
+        userId = UserHandle.getUserId(aInfo.applicationInfo.uid);
         intent = _intent;
         shortComponentName = _intent.getComponent().flattenToShortString();
         resolvedType = _resolvedType;
diff --git a/services/java/com/android/server/am/ActivityStack.java b/services/java/com/android/server/am/ActivityStack.java
index 196a259..1e0827f 100755
--- a/services/java/com/android/server/am/ActivityStack.java
+++ b/services/java/com/android/server/am/ActivityStack.java
@@ -55,7 +55,7 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.EventLog;
 import android.util.Log;
 import android.util.Slog;
@@ -501,7 +501,7 @@
 
         TaskRecord cp = null;
 
-        final int userId = UserId.getUserId(info.applicationInfo.uid);
+        final int userId = UserHandle.getUserId(info.applicationInfo.uid);
         final int N = mHistory.size();
         for (int i=(N-1); i>=0; i--) {
             ActivityRecord r = mHistory.get(i);
@@ -545,7 +545,7 @@
         if (info.targetActivity != null) {
             cls = new ComponentName(info.packageName, info.targetActivity);
         }
-        final int userId = UserId.getUserId(info.applicationInfo.uid);
+        final int userId = UserHandle.getUserId(info.applicationInfo.uid);
 
         final int N = mHistory.size();
         for (int i=(N-1); i>=0; i--) {
@@ -2406,7 +2406,7 @@
         }
 
         if (err == ActivityManager.START_SUCCESS) {
-            final int userId = aInfo != null ? UserId.getUserId(aInfo.applicationInfo.uid) : 0;
+            final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0;
             Slog.i(TAG, "START {" + intent.toShortString(true, true, true, false)
                     + " u=" + userId + "} from pid " + (callerApp != null ? callerApp.pid : callingPid));
         }
diff --git a/services/java/com/android/server/am/BroadcastQueue.java b/services/java/com/android/server/am/BroadcastQueue.java
index 76ddb96..7873dd8 100644
--- a/services/java/com/android/server/am/BroadcastQueue.java
+++ b/services/java/com/android/server/am/BroadcastQueue.java
@@ -36,7 +36,7 @@
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.EventLog;
 import android.util.Slog;
 
@@ -373,7 +373,7 @@
             BroadcastFilter filter, boolean ordered) {
         boolean skip = false;
         if (r.onlySendToCaller) {
-            if (!UserId.isSameApp(r.callingUid, filter.owningUid)) {
+            if (!UserHandle.isSameApp(r.callingUid, filter.owningUid)) {
                 Slog.w(TAG, "Permission Denial: broadcasting "
                         + r.intent.toString()
                         + " from " + r.callerPackage + " (pid="
@@ -668,7 +668,7 @@
 
             boolean skip = false;
             if (r.onlySendToCaller) {
-                if (!UserId.isSameApp(r.callingUid, info.activityInfo.applicationInfo.uid)) {
+                if (!UserHandle.isSameApp(r.callingUid, info.activityInfo.applicationInfo.uid)) {
                     Slog.w(TAG, "Permission Denial: broadcasting "
                             + r.intent.toString()
                             + " from " + r.callerPackage + " (pid="
@@ -766,7 +766,7 @@
                 info.activityInfo = mService.getActivityInfoForUser(info.activityInfo, 0);
             }
             r.curReceiver = info.activityInfo;
-            if (DEBUG_MU && r.callingUid > UserId.PER_USER_RANGE) {
+            if (DEBUG_MU && r.callingUid > UserHandle.PER_USER_RANGE) {
                 Slog.v(TAG_MU, "Updated broadcast record activity info for secondary user, "
                         + info.activityInfo + ", callingUid = " + r.callingUid + ", uid = "
                         + info.activityInfo.applicationInfo.uid);
@@ -775,7 +775,7 @@
             // Broadcast is being executed, its package can't be stopped.
             try {
                 AppGlobals.getPackageManager().setPackageStoppedState(
-                        r.curComponent.getPackageName(), false, UserId.getUserId(r.callingUid));
+                        r.curComponent.getPackageName(), false, UserHandle.getUserId(r.callingUid));
             } catch (RemoteException e) {
             } catch (IllegalArgumentException e) {
                 Slog.w(TAG, "Failed trying to unstop package "
diff --git a/services/java/com/android/server/am/PendingIntentRecord.java b/services/java/com/android/server/am/PendingIntentRecord.java
index ad15da1..d3b8510 100644
--- a/services/java/com/android/server/am/PendingIntentRecord.java
+++ b/services/java/com/android/server/am/PendingIntentRecord.java
@@ -25,7 +25,7 @@
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Slog;
 
 import java.io.PrintWriter;
@@ -259,7 +259,7 @@
                             owner.broadcastIntentInPackage(key.packageName, uid,
                                     finalIntent, resolvedType,
                                     finishedReceiver, code, null, null,
-                                requiredPermission, (finishedReceiver != null), false, UserId
+                                requiredPermission, (finishedReceiver != null), false, UserHandle
                                         .getUserId(uid));
                             sendFinish = false;
                         } catch (RuntimeException e) {
diff --git a/services/java/com/android/server/am/ProcessRecord.java b/services/java/com/android/server/am/ProcessRecord.java
index 42b7708..d372422 100644
--- a/services/java/com/android/server/am/ProcessRecord.java
+++ b/services/java/com/android/server/am/ProcessRecord.java
@@ -30,7 +30,7 @@
 import android.os.IBinder;
 import android.os.Process;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.PrintWriterPrinter;
 import android.util.TimeUtils;
 
@@ -313,7 +313,7 @@
         info = _info;
         isolated = _info.uid != _uid;
         uid = _uid;
-        userId = UserId.getUserId(_uid);
+        userId = UserHandle.getUserId(_uid);
         processName = _processName;
         pkgList.add(_info.packageName);
         thread = _thread;
@@ -396,7 +396,7 @@
             sb.append(info.uid%Process.FIRST_APPLICATION_UID);
             if (uid != info.uid) {
                 sb.append('i');
-                sb.append(UserId.getAppId(uid) - Process.FIRST_ISOLATED_UID);
+                sb.append(UserHandle.getAppId(uid) - Process.FIRST_ISOLATED_UID);
             }
         }
     }
diff --git a/services/java/com/android/server/am/ProviderMap.java b/services/java/com/android/server/am/ProviderMap.java
index 405718f..ab2e428 100644
--- a/services/java/com/android/server/am/ProviderMap.java
+++ b/services/java/com/android/server/am/ProviderMap.java
@@ -20,7 +20,7 @@
 import android.os.Binder;
 import android.os.Process;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Slog;
 import android.util.SparseArray;
 
@@ -98,7 +98,7 @@
         if (record.singleton) {
             mSingletonByName.put(name, record);
         } else {
-            final int userId = UserId.getUserId(record.appInfo.uid);
+            final int userId = UserHandle.getUserId(record.appInfo.uid);
             getProvidersByName(userId).put(name, record);
         }
     }
@@ -111,7 +111,7 @@
         if (record.singleton) {
             mSingletonByClass.put(name, record);
         } else {
-            final int userId = UserId.getUserId(record.appInfo.uid);
+            final int userId = UserHandle.getUserId(record.appInfo.uid);
             getProvidersByClass(userId).put(name, record);
         }
     }
diff --git a/services/java/com/android/server/am/ServiceRecord.java b/services/java/com/android/server/am/ServiceRecord.java
index 828eef7..41386e4 100644
--- a/services/java/com/android/server/am/ServiceRecord.java
+++ b/services/java/com/android/server/am/ServiceRecord.java
@@ -31,7 +31,7 @@
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Slog;
 import android.util.TimeUtils;
 
@@ -296,7 +296,7 @@
         this.restarter = restarter;
         createTime = SystemClock.elapsedRealtime();
         lastActivity = SystemClock.uptimeMillis();
-        userId = UserId.getUserId(appInfo.uid);
+        userId = UserHandle.getUserId(appInfo.uid);
     }
 
     public AppBindRecord retrieveAppBindingLocked(Intent intent,
diff --git a/services/java/com/android/server/am/TaskRecord.java b/services/java/com/android/server/am/TaskRecord.java
index 3a767c2..1bae9ca 100644
--- a/services/java/com/android/server/am/TaskRecord.java
+++ b/services/java/com/android/server/am/TaskRecord.java
@@ -19,7 +19,7 @@
 import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Slog;
 
 import java.io.PrintWriter;
@@ -101,7 +101,7 @@
         }
 
         if (info.applicationInfo != null) {
-            userId = UserId.getUserId(info.applicationInfo.uid);
+            userId = UserHandle.getUserId(info.applicationInfo.uid);
         }
     }
     
diff --git a/services/java/com/android/server/net/NetworkPolicyManagerService.java b/services/java/com/android/server/net/NetworkPolicyManagerService.java
index 46c24b0..a7cba5a 100644
--- a/services/java/com/android/server/net/NetworkPolicyManagerService.java
+++ b/services/java/com/android/server/net/NetworkPolicyManagerService.java
@@ -112,7 +112,7 @@
 import android.os.MessageQueue.IdleHandler;
 import android.os.RemoteCallbackList;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
 import android.telephony.TelephonyManager;
@@ -426,7 +426,7 @@
 
             final String action = intent.getAction();
             final int uid = intent.getIntExtra(EXTRA_UID, 0);
-            final int appId = UserId.getAppId(uid);
+            final int appId = UserHandle.getAppId(uid);
             synchronized (mRulesLock) {
                 if (ACTION_PACKAGE_ADDED.equals(action)) {
                     // NOTE: PACKAGE_ADDED is currently only sent once, and is
@@ -1188,8 +1188,8 @@
                         final int uid = readIntAttribute(in, ATTR_UID);
                         final int policy = readIntAttribute(in, ATTR_POLICY);
 
-                        final int appId = UserId.getAppId(uid);
-                        if (UserId.isApp(appId)) {
+                        final int appId = UserHandle.getAppId(uid);
+                        if (UserHandle.isApp(appId)) {
                             setAppPolicyUnchecked(appId, policy, false);
                         } else {
                             Slog.w(TAG, "unable to apply policy to UID " + uid + "; ignoring");
@@ -1198,7 +1198,7 @@
                         final int appId = readIntAttribute(in, ATTR_APP_ID);
                         final int policy = readIntAttribute(in, ATTR_POLICY);
 
-                        if (UserId.isApp(appId)) {
+                        if (UserHandle.isApp(appId)) {
                             setAppPolicyUnchecked(appId, policy, false);
                         } else {
                             Slog.w(TAG, "unable to apply policy to appId " + appId + "; ignoring");
@@ -1304,7 +1304,7 @@
     public void setAppPolicy(int appId, int policy) {
         mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG);
 
-        if (!UserId.isApp(appId)) {
+        if (!UserHandle.isApp(appId)) {
             throw new IllegalArgumentException("cannot apply policy to appId " + appId);
         }
 
@@ -1698,7 +1698,7 @@
         final PackageManager pm = mContext.getPackageManager();
         final List<ApplicationInfo> apps = pm.getInstalledApplications(0);
         for (ApplicationInfo app : apps) {
-            final int appId = UserId.getAppId(app.uid);
+            final int appId = UserHandle.getAppId(app.uid);
             updateRulesForAppLocked(appId);
         }
 
@@ -1710,7 +1710,7 @@
     private void updateRulesForAppLocked(int appId) {
         UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
         for (UserInfo user : um.getUsers()) {
-            final int uid = UserId.getUid(user.id, appId);
+            final int uid = UserHandle.getUid(user.id, appId);
             updateRulesForUidLocked(uid);
         }
     }
@@ -1718,7 +1718,7 @@
     private static boolean isUidValidForRules(int uid) {
         // allow rules on specific system services, and any apps
         if (uid == android.os.Process.MEDIA_UID || uid == android.os.Process.DRM_UID
-                || UserId.isApp(uid)) {
+                || UserHandle.isApp(uid)) {
             return true;
         }
 
@@ -1728,7 +1728,7 @@
     private void updateRulesForUidLocked(int uid) {
         if (!isUidValidForRules(uid)) return;
 
-        final int appId = UserId.getAppId(uid);
+        final int appId = UserHandle.getAppId(uid);
         final int appPolicy = getAppPolicy(appId);
         final boolean uidForeground = isUidForeground(uid);
 
diff --git a/services/java/com/android/server/pm/PackageManagerService.java b/services/java/com/android/server/pm/PackageManagerService.java
index 4befb9e..9e94333 100644
--- a/services/java/com/android/server/pm/PackageManagerService.java
+++ b/services/java/com/android/server/pm/PackageManagerService.java
@@ -100,7 +100,7 @@
 import android.os.ServiceManager;
 import android.os.SystemClock;
 import android.os.SystemProperties;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings.Secure;
 import android.security.SystemKeyStore;
@@ -691,15 +691,15 @@
                             }
                             sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
                                     res.pkg.applicationInfo.packageName,
-                                    extras, null, null, UserId.USER_ALL);
+                                    extras, null, null, UserHandle.USER_ALL);
                             if (update) {
                                 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
                                         res.pkg.applicationInfo.packageName,
-                                        extras, null, null, UserId.USER_ALL);
+                                        extras, null, null, UserHandle.USER_ALL);
                                 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
                                         null, null,
                                         res.pkg.applicationInfo.packageName, null,
-                                        UserId.USER_ALL);
+                                        UserHandle.USER_ALL);
                             }
                             if (res.removedInfo.args != null) {
                                 // Remove the replaced package's older resources safely now
@@ -1630,14 +1630,14 @@
         synchronized (mPackages) {
             PackageParser.Package p = mPackages.get(packageName);
             if(p != null) {
-                return UserId.getUid(userId, p.applicationInfo.uid);
+                return UserHandle.getUid(userId, p.applicationInfo.uid);
             }
             PackageSetting ps = mSettings.mPackages.get(packageName);
             if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
                 return -1;
             }
             p = ps.pkg;
-            return p != null ? UserId.getUid(userId, p.applicationInfo.uid) : -1;
+            return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
         }
     }
 
@@ -1961,7 +1961,7 @@
     }
 
     private void checkValidCaller(int uid, int userId) {
-        if (UserId.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
+        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
             return;
 
         throw new SecurityException("Caller uid=" + uid
@@ -1990,7 +1990,7 @@
 
     public int checkUidPermission(String permName, int uid) {
         synchronized (mPackages) {
-            Object obj = mSettings.getUserIdLPr(UserId.getAppId(uid));
+            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
             if (obj != null) {
                 GrantedPermissions gp = (GrantedPermissions)obj;
                 if (gp.grantedPermissions.contains(permName)) {
@@ -2024,7 +2024,7 @@
         if (permName != null) {
             BasePermission bp = findPermissionTreeLP(permName);
             if (bp != null) {
-                if (bp.uid == UserId.getAppId(Binder.getCallingUid())) {
+                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
                     return bp;
                 }
                 throw new SecurityException("Calling uid "
@@ -2227,8 +2227,8 @@
 
     public int checkUidSignatures(int uid1, int uid2) {
         // Map to base uids.
-        uid1 = UserId.getAppId(uid1);
-        uid2 = UserId.getAppId(uid2);
+        uid1 = UserHandle.getAppId(uid1);
+        uid2 = UserHandle.getAppId(uid2);
         // reader
         synchronized (mPackages) {
             Signature[] s1;
@@ -2286,7 +2286,7 @@
     }
 
     public String[] getPackagesForUid(int uid) {
-        uid = UserId.getAppId(uid);
+        uid = UserHandle.getAppId(uid);
         // reader
         synchronized (mPackages) {
             Object obj = mSettings.getUserIdLPr(uid);
@@ -2311,7 +2311,7 @@
     public String getNameForUid(int uid) {
         // reader
         synchronized (mPackages) {
-            Object obj = mSettings.getUserIdLPr(UserId.getAppId(uid));
+            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
             if (obj instanceof SharedUserSetting) {
                 final SharedUserSetting sus = (SharedUserSetting) obj;
                 return sus.name + ":" + sus.userId;
@@ -2791,7 +2791,7 @@
         final ParceledListSlice<PackageInfo> list = new ParceledListSlice<PackageInfo>();
         final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
         final String[] keys;
-        int userId = UserId.getCallingUserId();
+        int userId = UserHandle.getCallingUserId();
 
         // writer
         synchronized (mPackages) {
@@ -2890,7 +2890,7 @@
         // reader
         synchronized (mPackages) {
             final Iterator<PackageParser.Package> i = mPackages.values().iterator();
-            final int userId = UserId.getCallingUserId();
+            final int userId = UserHandle.getCallingUserId();
             while (i.hasNext()) {
                 final PackageParser.Package p = i.next();
                 if (p.applicationInfo != null
@@ -2938,7 +2938,7 @@
         synchronized (mPackages) {
             final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProviders.entrySet()
                     .iterator();
-            final int userId = UserId.getCallingUserId();
+            final int userId = UserHandle.getCallingUserId();
             while (i.hasNext()) {
                 Map.Entry<String, PackageParser.Provider> entry = i.next();
                 PackageParser.Provider p = entry.getValue();
@@ -2965,14 +2965,14 @@
         synchronized (mPackages) {
             final Iterator<PackageParser.Provider> i = mProvidersByComponent.values().iterator();
             final int userId = processName != null ?
-                    UserId.getUserId(uid) : UserId.getCallingUserId();
+                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
             while (i.hasNext()) {
                 final PackageParser.Provider p = i.next();
                 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
                 if (p.info.authority != null
                         && (processName == null
                                 || (p.info.processName.equals(processName)
-                                        && UserId.isSameApp(p.info.applicationInfo.uid, uid)))
+                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
                         && mSettings.isEnabledLPr(p.info, flags, userId)
                         && (!mSafeMode
                                 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
@@ -5148,7 +5148,7 @@
         IActivityManager am = ActivityManagerNative.getDefault();
         if (am != null) {
             try {
-                int[] userIds = userId == UserId.USER_ALL
+                int[] userIds = userId == UserHandle.USER_ALL
                         ? sUserManager.getUserIds() 
                         : new int[] {userId};
                 for (int id : userIds) {
@@ -5163,7 +5163,7 @@
                     // Modify the UID when posting to other users
                     int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
                     if (uid > 0 && id > 0) {
-                        uid = UserId.getUid(id, UserId.getAppId(uid));
+                        uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
                         intent.putExtra(Intent.EXTRA_UID, uid);
                     }
                     intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
@@ -5312,13 +5312,13 @@
                 extras.putInt(Intent.EXTRA_UID, removedUid);
                 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false);
                 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
-                        extras, null, null, UserId.USER_ALL);
+                        extras, null, null, UserHandle.USER_ALL);
             }
             if (addedPackage != null) {
                 Bundle extras = new Bundle(1);
                 extras.putInt(Intent.EXTRA_UID, addedUid);
                 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage,
-                        extras, null, null, UserId.USER_ALL);
+                        extras, null, null, UserHandle.USER_ALL);
             }
         }
 
@@ -7539,11 +7539,11 @@
                 extras.putBoolean(Intent.EXTRA_REPLACING, true);
 
                 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
-                        extras, null, null, UserId.USER_ALL);
+                        extras, null, null, UserHandle.USER_ALL);
                 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
-                        extras, null, null, UserId.USER_ALL);
+                        extras, null, null, UserHandle.USER_ALL);
                 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
-                        null, packageName, null, UserId.USER_ALL);
+                        null, packageName, null, UserHandle.USER_ALL);
             }
         }
         // Force a gc here.
@@ -7576,15 +7576,15 @@
             }
             if (removedPackage != null) {
                 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
-                        extras, null, null, UserId.USER_ALL);
+                        extras, null, null, UserHandle.USER_ALL);
                 if (fullRemove && !replacing) {
                     sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
-                            extras, null, null, UserId.USER_ALL);
+                            extras, null, null, UserHandle.USER_ALL);
                 }
             }
             if (removedUid >= 0) {
                 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
-                        UserId.getUserId(removedUid));
+                        UserHandle.getUserId(removedUid));
             }
         }
     }
@@ -7948,7 +7948,7 @@
         mContext.enforceCallingOrSelfPermission(
                 android.Manifest.permission.DELETE_CACHE_FILES, null);
         // Queue up an async operation since the package deletion may take a little while.
-        final int userId = UserId.getCallingUserId();
+        final int userId = UserHandle.getCallingUserId();
         mHandler.post(new Runnable() {
             public void run() {
                 mHandler.removeCallbacks(this);
@@ -8303,7 +8303,7 @@
                         + "/" + className);
             }
             // Allow root and verify that userId is not being specified by a different user
-            if (!allowedByPermission && !UserId.isSameApp(uid, pkgSetting.appId)) {
+            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
                 throw new SecurityException(
                         "Permission Denial: attempt to change component state from pid="
                         + Binder.getCallingPid()
@@ -8352,7 +8352,7 @@
                 }
             }
             mSettings.writePackageRestrictionsLPr(userId);
-            packageUid = UserId.getUid(userId, pkgSetting.appId);
+            packageUid = UserHandle.getUid(userId, pkgSetting.appId);
             components = mPendingBroadcasts.get(packageName);
             final boolean newPackage = components == null;
             if (newPackage) {
@@ -8401,7 +8401,7 @@
         extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
         extras.putInt(Intent.EXTRA_UID, packageUid);
         sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
-                UserId.getUserId(packageUid));
+                UserHandle.getUserId(packageUid));
     }
 
     public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
@@ -9027,7 +9027,7 @@
             }
             String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
                     : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
-            sendPackageBroadcast(action, null, extras, null, finishedReceiver, UserId.USER_ALL);
+            sendPackageBroadcast(action, null, extras, null, finishedReceiver, UserHandle.USER_ALL);
         }
     }
 
diff --git a/services/java/com/android/server/pm/Settings.java b/services/java/com/android/server/pm/Settings.java
index add91d3..cfc0f5c 100644
--- a/services/java/com/android/server/pm/Settings.java
+++ b/services/java/com/android/server/pm/Settings.java
@@ -49,7 +49,7 @@
 import android.os.FileUtils;
 import android.os.Process;
 import android.os.RemoteException;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Log;
 import android.util.Slog;
 import android.util.SparseArray;
@@ -2353,7 +2353,7 @@
 
     boolean setPackageStoppedStateLPw(String packageName, boolean stopped,
             boolean allowedByPermission, int uid, int userId) {
-        int appId = UserId.getAppId(uid);
+        int appId = UserHandle.getAppId(uid);
         final PackageSetting pkgSetting = mPackages.get(packageName);
         if (pkgSetting == null) {
             throw new IllegalArgumentException("Unknown package: " + packageName);
diff --git a/services/java/com/android/server/pm/UserManagerService.java b/services/java/com/android/server/pm/UserManagerService.java
index b55dd24..725d67d3 100644
--- a/services/java/com/android/server/pm/UserManagerService.java
+++ b/services/java/com/android/server/pm/UserManagerService.java
@@ -34,7 +34,7 @@
 import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.os.SystemClock;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.util.Log;
 import android.util.Slog;
 import android.util.SparseArray;
@@ -539,7 +539,7 @@
             // Don't do it for the primary user, it will become recursive.
             if (userId == 0)
                 continue;
-            mInstaller.createUserData(packageName, UserId.getUid(userId, uid),
+            mInstaller.createUserData(packageName, UserHandle.getUid(userId, uid),
                     userId);
         }
     }
diff --git a/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
index f6f9aa0..3373fd4 100644
--- a/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
+++ b/services/tests/servicestests/src/com/android/server/NetworkPolicyManagerServiceTest.java
@@ -71,7 +71,7 @@
 import android.os.INetworkManagementService;
 import android.os.IPowerManager;
 import android.os.MessageQueue.IdleHandler;
-import android.os.UserId;
+import android.os.UserHandle;
 import android.test.AndroidTestCase;
 import android.test.mock.MockPackageManager;
 import android.test.suitebuilder.annotation.LargeTest;
@@ -138,10 +138,10 @@
     private static final int APP_ID_A = android.os.Process.FIRST_APPLICATION_UID + 800;
     private static final int APP_ID_B = android.os.Process.FIRST_APPLICATION_UID + 801;
 
-    private static final int UID_A = UserId.getUid(USER_ID, APP_ID_A);
-    private static final int UID_B = UserId.getUid(USER_ID, APP_ID_B);
-    private static final int UID_A_GUEST = UserId.getUid(USER_ID_GUEST, APP_ID_A);
-    private static final int UID_B_GUEST = UserId.getUid(USER_ID_GUEST, APP_ID_B);
+    private static final int UID_A = UserHandle.getUid(USER_ID, APP_ID_A);
+    private static final int UID_B = UserHandle.getUid(USER_ID, APP_ID_B);
+    private static final int UID_A_GUEST = UserHandle.getUid(USER_ID_GUEST, APP_ID_A);
+    private static final int UID_B_GUEST = UserHandle.getUid(USER_ID_GUEST, APP_ID_B);
 
     private static final int PID_1 = 400;
     private static final int PID_2 = 401;