diff --git a/api/current.txt b/api/current.txt
index 84132c2..b489dfd 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -3872,7 +3872,7 @@
     method public static android.app.PendingIntent getService(android.content.Context, int, android.content.Intent, int);
     method public java.lang.String getTargetPackage();
     method public int getTargetUid();
-    method public int getTargetUserHandle();
+    method public android.os.UserHandle getTargetUserHandle();
     method public static android.app.PendingIntent readPendingIntentOrNullFromParcel(android.os.Parcel);
     method public void send() throws android.app.PendingIntent.CanceledException;
     method public void send(int) throws android.app.PendingIntent.CanceledException;
@@ -5324,10 +5324,10 @@
     method public abstract void revokeUriPermission(android.net.Uri, int);
     method public abstract void sendBroadcast(android.content.Intent);
     method public abstract void sendBroadcast(android.content.Intent, java.lang.String);
-    method public abstract void sendBroadcastToUser(android.content.Intent, int);
+    method public abstract void sendBroadcastAsUser(android.content.Intent, android.os.UserHandle);
     method public abstract void sendOrderedBroadcast(android.content.Intent, java.lang.String);
     method public abstract void sendOrderedBroadcast(android.content.Intent, java.lang.String, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
-    method public abstract void sendOrderedBroadcastToUser(android.content.Intent, int, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
+    method public abstract void sendOrderedBroadcastAsUser(android.content.Intent, android.os.UserHandle, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
     method public abstract void sendStickyBroadcast(android.content.Intent);
     method public abstract void sendStickyOrderedBroadcast(android.content.Intent, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
     method public abstract void setTheme(int);
@@ -5461,10 +5461,10 @@
     method public void revokeUriPermission(android.net.Uri, int);
     method public void sendBroadcast(android.content.Intent);
     method public void sendBroadcast(android.content.Intent, java.lang.String);
-    method public void sendBroadcastToUser(android.content.Intent, int);
+    method public void sendBroadcastAsUser(android.content.Intent, android.os.UserHandle);
     method public void sendOrderedBroadcast(android.content.Intent, java.lang.String);
     method public void sendOrderedBroadcast(android.content.Intent, java.lang.String, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
-    method public void sendOrderedBroadcastToUser(android.content.Intent, int, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
+    method public void sendOrderedBroadcastAsUser(android.content.Intent, android.os.UserHandle, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
     method public void sendStickyBroadcast(android.content.Intent);
     method public void sendStickyOrderedBroadcast(android.content.Intent, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
     method public void setTheme(int);
@@ -5990,7 +5990,7 @@
     method public int describeContents();
     method public java.lang.String getTargetPackage();
     method public int getTargetUid();
-    method public int getTargetUserHandle();
+    method public android.os.UserHandle getTargetUserHandle();
     method public static android.content.IntentSender readIntentSenderOrNullFromParcel(android.os.Parcel);
     method public void sendIntent(android.content.Context, int, android.content.Intent, android.content.IntentSender.OnFinished, android.os.Handler) throws android.content.IntentSender.SendIntentException;
     method public void sendIntent(android.content.Context, int, android.content.Intent, android.content.IntentSender.OnFinished, android.os.Handler, java.lang.String) throws android.content.IntentSender.SendIntentException;
@@ -16302,7 +16302,7 @@
     method public static final int myPid();
     method public static final int myTid();
     method public static final int myUid();
-    method public static final int myUserHandle();
+    method public static final android.os.UserHandle myUserHandle();
     method public static final void sendSignal(int, int);
     method public static final void setThreadPriority(int, int) throws java.lang.IllegalArgumentException, java.lang.SecurityException;
     method public static final void setThreadPriority(int) throws java.lang.IllegalArgumentException, java.lang.SecurityException;
@@ -16457,6 +16457,15 @@
     ctor public TransactionTooLargeException();
   }
 
+  public final class UserHandle implements android.os.Parcelable {
+    ctor public UserHandle(android.os.Parcel);
+    method public int describeContents();
+    method public static android.os.UserHandle readFromParcel(android.os.Parcel);
+    method public void writeToParcel(android.os.Parcel, int);
+    method public static void writeToParcel(android.os.UserHandle, android.os.Parcel);
+    field public static final android.os.Parcelable.Creator CREATOR;
+  }
+
   public class UserManager {
     method public java.lang.String getUserName();
     method public boolean supportsMultipleUsers();
@@ -21206,10 +21215,10 @@
     method public void revokeUriPermission(android.net.Uri, int);
     method public void sendBroadcast(android.content.Intent);
     method public void sendBroadcast(android.content.Intent, java.lang.String);
-    method public void sendBroadcastToUser(android.content.Intent, int);
+    method public void sendBroadcastAsUser(android.content.Intent, android.os.UserHandle);
     method public void sendOrderedBroadcast(android.content.Intent, java.lang.String);
     method public void sendOrderedBroadcast(android.content.Intent, java.lang.String, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
-    method public void sendOrderedBroadcastToUser(android.content.Intent, int, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
+    method public void sendOrderedBroadcastAsUser(android.content.Intent, android.os.UserHandle, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
     method public void sendStickyBroadcast(android.content.Intent);
     method public void sendStickyOrderedBroadcast(android.content.Intent, android.content.BroadcastReceiver, android.os.Handler, int, java.lang.String, android.os.Bundle);
     method public void setTheme(int);
diff --git a/core/java/android/accounts/AccountManagerService.java b/core/java/android/accounts/AccountManagerService.java
index d61d9da..7a9f285 100644
--- a/core/java/android/accounts/AccountManagerService.java
+++ b/core/java/android/accounts/AccountManagerService.java
@@ -900,7 +900,7 @@
     private void sendAccountsChangedBroadcast(int userId) {
         Log.i(TAG, "the accounts changed, sending broadcast of "
                 + ACCOUNTS_CHANGED_INTENT.getAction());
-        mContext.sendBroadcastToUser(ACCOUNTS_CHANGED_INTENT, userId);
+        mContext.sendBroadcastAsUser(ACCOUNTS_CHANGED_INTENT, new UserHandle(userId));
     }
 
     public void clearPassword(Account account) {
diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java
index ed4f0a7..08947a4 100644
--- a/core/java/android/app/ContextImpl.java
+++ b/core/java/android/app/ContextImpl.java
@@ -906,12 +906,13 @@
 
     /** @hide */
     @Override
-    public void startActivityAsUser(Intent intent, int userId) {
+    public void startActivityAsUser(Intent intent, UserHandle user) {
         try {
             ActivityManagerNative.getDefault().startActivityAsUser(
                 mMainThread.getApplicationThread(), intent,
                 intent.resolveTypeIfNeeded(getContentResolver()),
-                null, null, 0, Intent.FLAG_ACTIVITY_NEW_TASK, null, null, null, userId);
+                null, null, 0, Intent.FLAG_ACTIVITY_NEW_TASK, null, null, null,
+                user.getIdentifier());
         } catch (RemoteException re) {
         }
     }
@@ -931,12 +932,13 @@
 
     /** @hide */
     @Override
-    public void startActivityAsUser(Intent intent, Bundle options, int userId) {
+    public void startActivityAsUser(Intent intent, Bundle options, UserHandle user) {
         try {
             ActivityManagerNative.getDefault().startActivityAsUser(
                 mMainThread.getApplicationThread(), intent,
                 intent.resolveTypeIfNeeded(getContentResolver()),
-                null, null, 0, Intent.FLAG_ACTIVITY_NEW_TASK, null, null, options, userId);
+                null, null, 0, Intent.FLAG_ACTIVITY_NEW_TASK, null, null, options,
+                user.getIdentifier());
         } catch (RemoteException re) {
         }
     }
@@ -1062,19 +1064,19 @@
     }
 
     @Override
-    public void sendBroadcastToUser(Intent intent, int userHandle) {
+    public void sendBroadcastAsUser(Intent intent, UserHandle user) {
         String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
         try {
             intent.setAllowFds(false);
             ActivityManagerNative.getDefault().broadcastIntent(mMainThread.getApplicationThread(),
                     intent, resolvedType, null, Activity.RESULT_OK, null, null, null, false, false,
-                    userHandle);
+                    user.getIdentifier());
         } catch (RemoteException e) {
         }
     }
 
     @Override
-    public void sendOrderedBroadcastToUser(Intent intent, int userHandle,
+    public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
             BroadcastReceiver resultReceiver, Handler scheduler,
             int initialCode, String initialData, Bundle initialExtras) {
         IIntentReceiver rd = null;
@@ -1100,7 +1102,7 @@
             ActivityManagerNative.getDefault().broadcastIntent(
                 mMainThread.getApplicationThread(), intent, resolvedType, rd,
                 initialCode, initialData, initialExtras, null,
-                true, false, userHandle);
+                true, false, user.getIdentifier());
         } catch (RemoteException e) {
         }
     }
diff --git a/core/java/android/app/PendingIntent.java b/core/java/android/app/PendingIntent.java
index f638f7e..a57c516 100644
--- a/core/java/android/app/PendingIntent.java
+++ b/core/java/android/app/PendingIntent.java
@@ -639,22 +639,22 @@
     /**
      * Return the user handle of the application that created this
      * PendingIntent, that is the user under which you will actually be
-     * sending the Intent.  The returned integer is supplied by the system, so
+     * sending the Intent.  The returned UserHandle is supplied by the system, so
      * that an application can not spoof its user.  See
      * {@link android.os.Process#myUserHandle() Process.myUserHandle()} for
      * more explanation of user handles.
      *
-     * @return The user handle of the PendingIntent, or -1 if there is
+     * @return The user handle of the PendingIntent, or null if there is
      * none associated with it.
      */
-    public int getTargetUserHandle() {
+    public UserHandle getTargetUserHandle() {
         try {
             int uid = ActivityManagerNative.getDefault()
                 .getUidForIntentSender(mTarget);
-            return uid > 0 ? UserHandle.getUserId(uid) : -1;
+            return uid > 0 ? new UserHandle(UserHandle.getUserId(uid)) : null;
         } catch (RemoteException e) {
             // Should never happen.
-            return -1;
+            return null;
         }
     }
 
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index a90142a..a70bf6c 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -32,6 +32,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
+import android.os.UserHandle;
 import android.util.AttributeSet;
 
 import java.io.File;
@@ -855,11 +856,11 @@
      * Same as {@link #startActivity(Intent)}, but for a specific user. It requires holding
      * the {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} permission.
      * @param intent The description of the activity to start.
-     * @param userId The user id of the user to start this activity for.
+     * @param user The UserHandle of the user to start this activity for.
      * @throws ActivityNotFoundException
      * @hide
      */
-    public void startActivityAsUser(Intent intent, int userId) {
+    public void startActivityAsUser(Intent intent, UserHandle user) {
         throw new RuntimeException("Not implemented. Must override in a subclass.");
     }
 
@@ -898,11 +899,11 @@
      * May be null if there are no options.  See {@link android.app.ActivityOptions}
      * for how to build the Bundle supplied here; there are no supported definitions
      * for building it manually.
-     * @param userId The user id of the user to start this activity for.
+     * @param user The UserHandle of the user to start this activity for.
      * @throws ActivityNotFoundException
      * @hide
      */
-    public void startActivityAsUser(Intent intent, Bundle options, int userId) {
+    public void startActivityAsUser(Intent intent, Bundle options, UserHandle userId) {
         throw new RuntimeException("Not implemented. Must override in a subclass.");
     }
 
@@ -1119,10 +1120,10 @@
      * requires holding the {@link android.Manifest.permission#INTERACT_ACROSS_USERS}
      * permission.
      * @param intent The intent to broadcast
-     * @param userHandle User to send the intent to.
+     * @param user UserHandle to send the intent to.
      * @see #sendBroadcast(Intent)
      */
-    public abstract void sendBroadcastToUser(Intent intent, int userHandle);
+    public abstract void sendBroadcastAsUser(Intent intent, UserHandle user);
 
     /**
      * Same as
@@ -1136,7 +1137,7 @@
      *
      * @param intent The Intent to broadcast; all receivers matching this
      *               Intent will receive the broadcast.
-     * @param userHandle User to send the intent to.
+     * @param user UserHandle to send the intent to.
      * @param resultReceiver Your own BroadcastReceiver to treat as the final
      *                       receiver of the broadcast.
      * @param scheduler A custom Handler with which to schedule the
@@ -1151,7 +1152,7 @@
      *
      * @see #sendOrderedBroadcast(Intent, String, BroadcastReceiver, Handler, int, String, Bundle)
      */
-    public abstract void sendOrderedBroadcastToUser(Intent intent, int userHandle,
+    public abstract void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
             BroadcastReceiver resultReceiver, Handler scheduler,
             int initialCode, String initialData, Bundle initialExtras);
 
diff --git a/core/java/android/content/ContextWrapper.java b/core/java/android/content/ContextWrapper.java
index fdf60ab..75842be 100644
--- a/core/java/android/content/ContextWrapper.java
+++ b/core/java/android/content/ContextWrapper.java
@@ -30,6 +30,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
+import android.os.UserHandle;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -279,8 +280,8 @@
 
     /** @hide */
     @Override
-    public void startActivityAsUser(Intent intent, int userId) {
-        mBase.startActivityAsUser(intent, userId);
+    public void startActivityAsUser(Intent intent, UserHandle user) {
+        mBase.startActivityAsUser(intent, user);
     }
 
     @Override
@@ -290,8 +291,8 @@
 
     /** @hide */
     @Override
-    public void startActivityAsUser(Intent intent, Bundle options, int userId) {
-        mBase.startActivityAsUser(intent, options, userId);
+    public void startActivityAsUser(Intent intent, Bundle options, UserHandle user) {
+        mBase.startActivityAsUser(intent, options, user);
     }
 
     @Override
@@ -347,15 +348,15 @@
     }
 
     @Override
-    public void sendBroadcastToUser(Intent intent, int userHandle) {
-        mBase.sendBroadcastToUser(intent, userHandle);
+    public void sendBroadcastAsUser(Intent intent, UserHandle user) {
+        mBase.sendBroadcastAsUser(intent, user);
     }
 
     @Override
-    public void sendOrderedBroadcastToUser(Intent intent, int userHandle,
+    public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
             BroadcastReceiver resultReceiver, Handler scheduler,
             int initialCode, String initialData, Bundle initialExtras) {
-        mBase.sendOrderedBroadcastToUser(intent, userHandle, resultReceiver,
+        mBase.sendOrderedBroadcastAsUser(intent, user, resultReceiver,
                 scheduler, initialCode, initialData, initialExtras);
     }
 
diff --git a/core/java/android/content/IntentSender.java b/core/java/android/content/IntentSender.java
index 1801488..079241a 100644
--- a/core/java/android/content/IntentSender.java
+++ b/core/java/android/content/IntentSender.java
@@ -245,22 +245,22 @@
     /**
      * Return the user handle of the application that created this
      * PendingIntent, that is the user under which you will actually be
-     * sending the Intent.  The returned integer is supplied by the system, so
+     * sending the Intent.  The returned UserHandle is supplied by the system, so
      * that an application can not spoof its user.  See
      * {@link android.os.Process#myUserHandle() Process.myUserHandle()} for
      * more explanation of user handles.
      *
-     * @return The user handle of the PendingIntent, or -1 if there is
+     * @return The user handle of the PendingIntent, or null if there is
      * none associated with it.
      */
-    public int getTargetUserHandle() {
+    public UserHandle getTargetUserHandle() {
         try {
             int uid = ActivityManagerNative.getDefault()
                 .getUidForIntentSender(mTarget);
-            return uid > 0 ? UserHandle.getUserId(uid) : -1;
+            return uid > 0 ? new UserHandle(UserHandle.getUserId(uid)) : null;
         } catch (RemoteException e) {
             // Should never happen.
-            return -1;
+            return null;
         }
     }
 
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 0553384..3513bdc 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -655,13 +655,13 @@
     public static final native int myUid();
 
     /**
-     * Returns the identifier of this process's user handle.  This is the
+     * Returns this process's user handle.  This is the
      * user the process is running under.  It is distinct from
      * {@link #myUid()} in that a particular user will have multiple
      * distinct apps running under it each with their own uid.
      */
-    public static final int myUserHandle() {
-        return UserHandle.getUserId(myUid());
+    public static final UserHandle myUserHandle() {
+        return new UserHandle(UserHandle.getUserId(myUid()));
     }
 
     /**
diff --git a/core/java/android/os/UserHandle.java b/core/java/android/os/UserHandle.java
index 577a8c6..0843d85 100644
--- a/core/java/android/os/UserHandle.java
+++ b/core/java/android/os/UserHandle.java
@@ -18,31 +18,33 @@
 
 /**
  * Representation of a user on the device.
- * @hide
  */
-public final class UserHandle {
+public final class UserHandle implements Parcelable {
     /**
-     * Range of IDs allocated for a user.
-     *
-     * @hide
+     * @hide Range of uids allocated for a user.
      */
     public static final int PER_USER_RANGE = 100000;
 
-    /** A user id to indicate all users on the device */
+    /** @hide A user id to indicate all users on the device */
     public static final int USER_ALL = -1;
 
-    /** A user id to indicate the currently active user */
+    /** @hide A user id to indicate the currently active user */
     public static final int USER_CURRENT = -2;
 
-    /** A user id constant to indicate the "owner" user of the device */
+    /** @hide An undefined user id */
+    public static final int USER_NULL = -10000;
+
+    /** @hide A user id constant to indicate the "owner" user of the device */
     public static final int USER_OWNER = 0;
 
     /**
-     * Enable multi-user related side effects. Set this to false if there are problems with single
-     * user usecases.
-     * */
+     * @hide Enable multi-user related side effects. Set this to false if
+     * there are problems with single user use-cases.
+     */
     public static final boolean MU_ENABLED = true;
 
+    final int mHandle;
+
     /**
      * Checks to see if the user id is the same for the two uids, i.e., they belong to the same
      * user.
@@ -64,11 +66,13 @@
         return getAppId(uid1) == getAppId(uid2);
     }
 
+    /** @hide */
     public static final boolean isIsolated(int uid) {
         uid = getAppId(uid);
         return uid >= Process.FIRST_ISOLATED_UID && uid <= Process.LAST_ISOLATED_UID;
     }
 
+    /** @hide */
     public static boolean isApp(int uid) {
         if (uid > 0) {
             uid = UserHandle.getAppId(uid);
@@ -90,6 +94,7 @@
         }
     }
 
+    /** @hide */
     public static final int getCallingUserId() {
         return getUserId(Binder.getCallingUid());
     }
@@ -117,8 +122,107 @@
     /**
      * Returns the user id of the current process
      * @return user id of the current process
+     * @hide
      */
     public static final int myUserId() {
         return getUserId(Process.myUid());
     }
+
+    /** @hide */
+    public UserHandle(int h) {
+        mHandle = h;
+    }
+
+    /** @hide */
+    public int getIdentifier() {
+        return mHandle;
+    }
+
+    @Override
+    public String toString() {
+        return "UserHandle{" + mHandle + "}";
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        try {
+            if (obj != null) {
+                UserHandle other = (UserHandle)obj;
+                return mHandle == other.mHandle;
+            }
+        } catch (ClassCastException e) {
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return mHandle;
+    }
+    
+    public int describeContents() {
+        return 0;
+    }
+
+    public void writeToParcel(Parcel out, int flags) {
+        out.writeInt(mHandle);
+    }
+
+    /**
+     * Write a UserHandle to a Parcel, handling null pointers.  Must be
+     * read with {@link #readFromParcel(Parcel)}.
+     * 
+     * @param h The UserHandle to be written.
+     * @param out The Parcel in which the UserHandle will be placed.
+     * 
+     * @see #readFromParcel(Parcel)
+     */
+    public static void writeToParcel(UserHandle h, Parcel out) {
+        if (h != null) {
+            h.writeToParcel(out, 0);
+        } else {
+            out.writeInt(USER_NULL);
+        }
+    }
+    
+    /**
+     * Read a UserHandle from a Parcel that was previously written
+     * with {@link #writeToParcel(UserHandle, Parcel)}, returning either
+     * a null or new object as appropriate.
+     * 
+     * @param in The Parcel from which to read the UserHandle
+     * @return Returns a new UserHandle matching the previously written
+     * object, or null if a null had been written.
+     * 
+     * @see #writeToParcel(UserHandle, Parcel)
+     */
+    public static UserHandle readFromParcel(Parcel in) {
+        int h = in.readInt();
+        return h != USER_NULL ? new UserHandle(h) : null;
+    }
+    
+    public static final Parcelable.Creator<UserHandle> CREATOR
+            = new Parcelable.Creator<UserHandle>() {
+        public UserHandle createFromParcel(Parcel in) {
+            return new UserHandle(in);
+        }
+
+        public UserHandle[] newArray(int size) {
+            return new UserHandle[size];
+        }
+    };
+
+    /**
+     * Instantiate a new UserHandle from the data in a Parcel that was
+     * previously written with {@link #writeToParcel(Parcel, int)}.  Note that you
+     * must not use this with data written by
+     * {@link #writeToParcel(UserHandle, Parcel)} since it is not possible
+     * to handle a null UserHandle here.
+     * 
+     * @param in The Parcel containing the previously written UserHandle,
+     * positioned at the location in the buffer where it was written.
+     */
+    public UserHandle(Parcel in) {
+        mHandle = in.readInt();
+    }
 }
diff --git a/core/java/android/os/UserManager.java b/core/java/android/os/UserManager.java
index 93da44a..0338ee7 100644
--- a/core/java/android/os/UserManager.java
+++ b/core/java/android/os/UserManager.java
@@ -51,7 +51,7 @@
      * @hide
      * */
     public int getUserHandle() {
-        return Process.myUserHandle();
+        return UserHandle.myUserId();
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/SearchPanelView.java b/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
index a2f43fd..281f25f 100644
--- a/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
@@ -82,7 +82,8 @@
                     R.anim.search_launch_enter, R.anim.search_launch_exit,
                     getHandler(), this);
             intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            mContext.startActivityAsUser(intent, opts.toBundle(), UserHandle.USER_CURRENT);
+            mContext.startActivityAsUser(intent, opts.toBundle(),
+                    new UserHandle(UserHandle.USER_CURRENT));
         } catch (ActivityNotFoundException e) {
             Slog.w(TAG, "Activity not found for " + intent.getAction());
             onAnimationStarted();
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
index 7d36152..7738f81 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
@@ -790,7 +790,8 @@
                     | Intent.FLAG_ACTIVITY_TASK_ON_HOME
                     | Intent.FLAG_ACTIVITY_NEW_TASK);
             if (DEBUG) Log.v(TAG, "Starting activity " + intent);
-            context.startActivityAsUser(intent, opts.toBundle(), UserHandle.USER_CURRENT);
+            context.startActivityAsUser(intent, opts.toBundle(),
+                    new UserHandle(UserHandle.USER_CURRENT));
         }
         if (usingDrawingCache) {
             holder.thumbnailViewImage.setDrawingCacheEnabled(false);
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 a20576f..49e4760 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -1783,7 +1783,8 @@
             } catch (RemoteException e) {
             }
             v.getContext().startActivityAsUser(new Intent(Settings.ACTION_SETTINGS)
-                    .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK), UserHandle.USER_CURRENT);
+                    .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK),
+                    new UserHandle(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 ffe69e2..c45ac3f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java
@@ -119,7 +119,8 @@
     // ----------------------------
     private void onClickSettings() {
         getContext().startActivityAsUser(new Intent(Settings.ACTION_SETTINGS)
-                .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK), UserHandle.USER_CURRENT);
+                .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK),
+                new UserHandle(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 5f5c105..91b5ca1 100644
--- a/policy/src/com/android/internal/policy/impl/LockScreen.java
+++ b/policy/src/com/android/internal/policy/impl/LockScreen.java
@@ -354,7 +354,7 @@
                 Log.w(TAG, "can't dismiss keyguard on launch");
             }
             try {
-                mContext.startActivityAsUser(intent, UserHandle.USER_CURRENT);
+                mContext.startActivityAsUser(intent, new UserHandle(UserHandle.USER_CURRENT));
             } catch (ActivityNotFoundException e) {
                 Log.w(TAG, "Activity not found for intent + " + intent.getAction());
             }
diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index 40db612..737df7f 100755
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -2066,7 +2066,7 @@
             if (searchManager != null) {
                 searchManager.stopSearch();
             }
-            mContext.startActivityAsUser(intent, UserHandle.USER_CURRENT);
+            mContext.startActivityAsUser(intent, new UserHandle(UserHandle.USER_CURRENT));
         } catch (ActivityNotFoundException e) {
             Slog.w(TAG, "No activity to handle assist long press action.", e);
         }
@@ -2081,7 +2081,7 @@
                     | Intent.FLAG_ACTIVITY_SINGLE_TOP
                     | Intent.FLAG_ACTIVITY_CLEAR_TOP);
             try {
-                mContext.startActivityAsUser(intent, UserHandle.USER_CURRENT);
+                mContext.startActivityAsUser(intent, new UserHandle(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 5250dfc..539e561 100644
--- a/services/java/com/android/server/AppWidgetServiceImpl.java
+++ b/services/java/com/android/server/AppWidgetServiceImpl.java
@@ -499,7 +499,7 @@
                 Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_DELETED);
                 intent.setComponent(p.info.provider);
                 intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, id.appWidgetId);
-                mContext.sendBroadcastToUser(intent, mUserId);
+                mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId));
                 if (p.instances.size() == 0) {
                     // cancel the future updates
                     cancelBroadcasts(p);
@@ -507,7 +507,7 @@
                     // send the broacast saying that the provider is not in use any more
                     intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_DISABLED);
                     intent.setComponent(p.info.provider);
-                    mContext.sendBroadcastToUser(intent, mUserId);
+                    mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId));
                 }
             }
         }
@@ -880,7 +880,7 @@
             intent.setComponent(p.info.provider);
             intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, id.appWidgetId);
             intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS, options);
-            mContext.sendBroadcastToUser(intent, mUserId);
+            mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId));
         }
     }
 
@@ -1205,7 +1205,7 @@
     void sendEnableIntentLocked(Provider p) {
         Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_ENABLED);
         intent.setComponent(p.info.provider);
-        mContext.sendBroadcastToUser(intent, mUserId);
+        mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId));
     }
 
     void sendUpdateIntentLocked(Provider p, int[] appWidgetIds) {
@@ -1213,7 +1213,7 @@
             Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
             intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds);
             intent.setComponent(p.info.provider);
-            mContext.sendBroadcastToUser(intent, mUserId);
+            mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId));
         }
     }
 
diff --git a/test-runner/src/android/test/mock/MockContext.java b/test-runner/src/android/test/mock/MockContext.java
index 36f2c14..02d0b45 100644
--- a/test-runner/src/android/test/mock/MockContext.java
+++ b/test-runner/src/android/test/mock/MockContext.java
@@ -38,6 +38,7 @@
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
+import android.os.UserHandle;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -304,12 +305,12 @@
     }
 
     @Override
-    public void sendBroadcastToUser(Intent intent, int userId) {
+    public void sendBroadcastAsUser(Intent intent, UserHandle user) {
         throw new UnsupportedOperationException();
     }
 
     @Override
-    public void sendOrderedBroadcastToUser(Intent intent, int userId,
+    public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
             BroadcastReceiver resultReceiver, Handler scheduler,
             int initialCode, String initialData, Bundle initialExtras) {
         throw new UnsupportedOperationException();
diff --git a/tests/ActivityTests/src/com/google/android/test/activity/ActivityTestMain.java b/tests/ActivityTests/src/com/google/android/test/activity/ActivityTestMain.java
index 0577dbb..9599b19 100644
--- a/tests/ActivityTests/src/com/google/android/test/activity/ActivityTestMain.java
+++ b/tests/ActivityTests/src/com/google/android/test/activity/ActivityTestMain.java
@@ -30,6 +30,7 @@
 import android.os.Bundle;
 import android.os.IBinder;
 import android.os.RemoteException;
+import android.os.UserHandle;
 import android.graphics.Bitmap;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
@@ -187,7 +188,7 @@
         menu.add("Send to user 1!").setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
             @Override public boolean onMenuItemClick(MenuItem item) {
                 Intent intent = new Intent(ActivityTestMain.this, UserTarget.class);
-                sendOrderedBroadcastToUser(intent, 1, new BroadcastResultReceiver(), 
+                sendOrderedBroadcastAsUser(intent, new UserHandle(1), new BroadcastResultReceiver(), 
                         null, Activity.RESULT_OK, null, null);
                 return true;
             }
diff --git a/tests/ActivityTests/src/com/google/android/test/activity/SingleUserProvider.java b/tests/ActivityTests/src/com/google/android/test/activity/SingleUserProvider.java
index 83785e4..1e7b8f4 100644
--- a/tests/ActivityTests/src/com/google/android/test/activity/SingleUserProvider.java
+++ b/tests/ActivityTests/src/com/google/android/test/activity/SingleUserProvider.java
@@ -21,7 +21,7 @@
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
-import android.os.Process;
+import android.os.UserHandle;
 
 public class SingleUserProvider extends ContentProvider {
     static final String AUTHORITY = "com.google.android.test.activity.single_user";
@@ -60,7 +60,7 @@
     @Override
     public Bundle call(String method, String arg, Bundle extras) {
         Bundle res = new Bundle();
-        res.putInt("user", Process.myUserHandle());
+        res.putInt("user", UserHandle.myUserId());
         return res;
     }
 }
diff --git a/tests/ActivityTests/src/com/google/android/test/activity/SingleUserReceiver.java b/tests/ActivityTests/src/com/google/android/test/activity/SingleUserReceiver.java
index 9295cf4..8afa478 100644
--- a/tests/ActivityTests/src/com/google/android/test/activity/SingleUserReceiver.java
+++ b/tests/ActivityTests/src/com/google/android/test/activity/SingleUserReceiver.java
@@ -21,12 +21,13 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Process;
+import android.os.UserHandle;
 
 public class SingleUserReceiver extends BroadcastReceiver {
     @Override
     public void onReceive(Context context, Intent intent) {
         Bundle res = getResultExtras(true);
-        res.putInt("user", Process.myUserHandle());
+        res.putInt("user", UserHandle.myUserId());
         setResultExtras(res);
     }
 }
diff --git a/tests/ActivityTests/src/com/google/android/test/activity/UserTarget.java b/tests/ActivityTests/src/com/google/android/test/activity/UserTarget.java
index 9c6a9f1..47539a1 100644
--- a/tests/ActivityTests/src/com/google/android/test/activity/UserTarget.java
+++ b/tests/ActivityTests/src/com/google/android/test/activity/UserTarget.java
@@ -21,6 +21,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Process;
+import android.os.UserHandle;
 import android.util.Log;
 
 public class UserTarget extends BroadcastReceiver {
@@ -28,7 +29,7 @@
     public void onReceive(Context context, Intent intent) {
         Log.i("ActivityTest", "Received: " + intent);
         Bundle res = getResultExtras(true);
-        res.putInt("user", Process.myUserHandle());
+        res.putInt("user", UserHandle.myUserId());
         setResultExtras(res);
     }
 }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
index 292e4fc..943357a 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContext.java
@@ -61,6 +61,7 @@
 import android.os.Handler;
 import android.os.Looper;
 import android.os.PowerManager;
+import android.os.UserHandle;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
 import android.util.TypedValue;
@@ -1193,12 +1194,12 @@
     }
 
     @Override
-    public void sendBroadcastToUser(Intent intent, int userId) {
+    public void sendBroadcastAsUser(Intent intent, UserHandle user) {
         // pass
     }
 
     @Override
-    public void sendOrderedBroadcastToUser(Intent intent, int userId,
+    public void sendOrderedBroadcastAsUser(Intent intent, UserHandle user,
             BroadcastReceiver resultReceiver, Handler scheduler,
             int initialCode, String initialData, Bundle initialExtras) {
         // pass