2 files changed, 23 insertions, 2 deletions
diff --git a/core/java/android/app/IAlarmManager.aidl b/core/java/android/app/IAlarmManager.aidl
index 8476609..ef9f26e 100644
--- a/core/java/android/app/IAlarmManager.aidl
+++ b/core/java/android/app/IAlarmManager.aidl
@@ -28,7 +28,7 @@ interface IAlarmManager {
 	/** windowLength == 0 means exact; windowLength < 0 means the let the OS decide */
     void set(int type, long triggerAtTime, long windowLength,
             long interval, in PendingIntent operation, in WorkSource workSource);
-    void setTime(long millis);
+    boolean setTime(long millis);
     void setTimeZone(String zone);
     void remove(in PendingIntent operation);
 }
diff --git a/core/java/android/os/SystemClock.java b/core/java/android/os/SystemClock.java
index 729c64b..672df6d 100644
--- a/core/java/android/os/SystemClock.java
+++ b/core/java/android/os/SystemClock.java
@@ -16,6 +16,9 @@
 
 package android.os;
 
+import android.app.IAlarmManager;
+import android.content.Context;
+import android.util.Slog;
 
 /**
  * Core timekeeping facilities.
@@ -89,6 +92,8 @@ package android.os;
  * </ul>
  */
 public final class SystemClock {
+    private static final String TAG = "SystemClock";
+
     /**
      * This class is uninstantiable.
      */
@@ -134,7 +139,23 @@ public final class SystemClock {
      *
      * @return if the clock was successfully set to the specified time.
      */
-    native public static boolean setCurrentTimeMillis(long millis);
+    public static boolean setCurrentTimeMillis(long millis) {
+        IBinder b = ServiceManager.getService(Context.ALARM_SERVICE);
+        IAlarmManager mgr = IAlarmManager.Stub.asInterface(b);
+        if (mgr == null) {
+            return false;
+        }
+
+        try {
+            return mgr.setTime(millis);
+        } catch (RemoteException e) {
+            Slog.e(TAG, "Unable to set RTC", e);
+        } catch (SecurityException e) {
+            Slog.e(TAG, "Unable to set RTC", e);
+        }
+
+        return false;
+    }
 
     /**
      * Returns milliseconds since boot, not counting time spent in deep sleep.