Package manager changes to store and update user information.

Some API stubs for managing users and storing their details.
List of users is stored in an xml file.
Each user's properties are stored in a separate xml file.

Some unit tests for modifying the XML files.

Change-Id: If2ce2420723111bd426f6762def3c2afc19a0ae5

1 files changed, 18 insertions, 4 deletions

diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index b6581e9..d57ffc0 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -16,6 +16,9 @@
 
 package android.app;
 
+import com.android.internal.app.IUsageStats;
+import com.android.internal.os.PkgUsageStats;
+
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -26,17 +29,15 @@ import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.os.Debug;
-import android.os.RemoteException;
 import android.os.Handler;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.SystemProperties;
 import android.text.TextUtils;
 import android.util.DisplayMetrics;
 import android.util.Log;
-import com.android.internal.app.IUsageStats;
-import com.android.internal.os.PkgUsageStats;
 
 import java.util.HashMap;
 import java.util.List;
@@ -614,7 +615,7 @@ public class ActivityManager {
     public List<RunningServiceInfo> getRunningServices(int maxNum)
             throws SecurityException {
         try {
-            return (List<RunningServiceInfo>)ActivityManagerNative.getDefault()
+            return ActivityManagerNative.getDefault()
                     .getServices(maxNum, 0);
         } catch (RemoteException e) {
             // System dead, we will be dead too soon!
@@ -1269,4 +1270,17 @@ public class ActivityManager {
             return new HashMap<String, Integer>();
         }
     }
+
+    /**
+     * @param userid the user's id. Zero indicates the default user 
+     * @hide
+     */
+    public boolean switchUser(int userid) {
+        try {
+            return ActivityManagerNative.getDefault().switchUser(userid);
+        } catch (RemoteException e) {
+            return false;
+        }
+    }
+
 }