am 816e19eb: Merge "Revert "Additional changes to SubscriptionManager API as per API council."" into lmp-mr1-dev
automerge: 1caab41

* commit '1caab41f31b2fd1129dff58fc678361b691af9db':
  Revert "Additional changes to SubscriptionManager API as per API council."
diff --git a/Android.mk b/Android.mk
index 8b16326..a596ee7 100644
--- a/Android.mk
+++ b/Android.mk
@@ -372,8 +372,8 @@
 	telephony/java/com/android/internal/telephony/IPhoneSubInfo.aidl \
 	telephony/java/com/android/internal/telephony/ITelephony.aidl \
 	telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl \
-	telephony/java/com/android/internal/telephony/IOnSubscriptionsChangedListener.aidl \
 	telephony/java/com/android/internal/telephony/ISms.aidl \
+	telephony/java/com/android/internal/telephony/ISubscriptionListener.aidl \
 	telephony/java/com/android/internal/telephony/IWapPushManager.aidl \
 	telephony/java/com/android/internal/telephony/ISub.aidl \
 	telephony/java/com/android/internal/telephony/IMms.aidl \
diff --git a/api/current.txt b/api/current.txt
index fc9ffdd..fb26daf 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -7270,7 +7270,6 @@
     field public static final java.lang.String STORAGE_SERVICE = "storage";
     field public static final java.lang.String TELECOM_SERVICE = "telecom";
     field public static final java.lang.String TELEPHONY_SERVICE = "phone";
-    field public static final java.lang.String TELEPHONY_SUBSCRIPTION_SERVICE = "telephony_subscription_service";
     field public static final java.lang.String TEXT_SERVICES_MANAGER_SERVICE = "textservices";
     field public static final java.lang.String TV_INPUT_SERVICE = "tv_input";
     field public static final java.lang.String UI_MODE_SERVICE = "uimode";
@@ -25577,7 +25576,7 @@
     field public static final java.lang.String STATUS = "st";
     field public static final java.lang.String SUBJECT = "sub";
     field public static final java.lang.String SUBJECT_CHARSET = "sub_cs";
-    field public static final java.lang.String SUBSCRIPTION_ID = "sub_id";
+    field public static final java.lang.String SUB_ID = "sub_id";
     field public static final java.lang.String TEXT_ONLY = "text_only";
     field public static final java.lang.String THREAD_ID = "thread_id";
     field public static final java.lang.String TRANSACTION_ID = "tr_id";
@@ -25610,7 +25609,7 @@
     field public static final java.lang.String PROXY = "proxy";
     field public static final java.lang.String ROAMING_PROTOCOL = "roaming_protocol";
     field public static final java.lang.String SERVER = "server";
-    field public static final java.lang.String SUBSCRIPTION_ID = "sub_id";
+    field public static final java.lang.String SUB_ID = "sub_id";
     field public static final java.lang.String TYPE = "type";
     field public static final java.lang.String USER = "user";
   }
@@ -25711,7 +25710,7 @@
     field public static final java.lang.String MSG_TYPE = "msg_type";
     field public static final java.lang.String PROTO_TYPE = "proto_type";
     field public static final java.lang.String RETRY_INDEX = "retry_index";
-    field public static final java.lang.String SUBSCRIPTION_ID = "pending_sub_id";
+    field public static final java.lang.String SUB_ID = "pending_sub_id";
   }
 
   public static final class Telephony.Sms implements android.provider.BaseColumns android.provider.Telephony.TextBasedSmsColumns {
@@ -25797,7 +25796,7 @@
     field public static final int STATUS_NONE = -1; // 0xffffffff
     field public static final int STATUS_PENDING = 32; // 0x20
     field public static final java.lang.String SUBJECT = "subject";
-    field public static final java.lang.String SUBSCRIPTION_ID = "sub_id";
+    field public static final java.lang.String SUB_ID = "sub_id";
     field public static final java.lang.String THREAD_ID = "thread_id";
     field public static final java.lang.String TYPE = "type";
   }
@@ -28650,19 +28649,20 @@
     field public static final android.os.Parcelable.Creator<android.telephony.SubscriptionInfo> CREATOR;
   }
 
-  public class SubscriptionManager {
-    method public static android.telephony.SubscriptionManager from(android.content.Context);
-    method public android.telephony.SubscriptionInfo getActiveSubscriptionInfo(int);
-    method public android.telephony.SubscriptionInfo getActiveSubscriptionInfoForSimSlotIndex(int);
-    method public java.util.List<android.telephony.SubscriptionInfo> getActiveSubscriptionInfoList();
-    method public void registerOnSubscriptionsChangedListener(android.telephony.SubscriptionManager.OnSubscriptionsChangedListener);
-    method public void unregisterOnSubscriptionsChangedListener(android.telephony.SubscriptionManager.OnSubscriptionsChangedListener);
-    field public static final int INVALID_SUBSCRIPTION_ID = -1; // 0xffffffff
+  public class SubscriptionListener {
+    ctor public SubscriptionListener();
+    ctor public SubscriptionListener(android.os.Looper);
+    method public void onSubscriptionInfoChanged();
+    field public static final int LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED = 1; // 0x1
   }
 
-  public static class SubscriptionManager.OnSubscriptionsChangedListener {
-    ctor public SubscriptionManager.OnSubscriptionsChangedListener();
-    method public void onSubscriptionsChanged();
+  public class SubscriptionManager implements android.provider.BaseColumns {
+    method public static java.util.List<android.telephony.SubscriptionInfo> getActiveSubscriptionInfoList();
+    method public static android.telephony.SubscriptionInfo getSubscriptionInfoForSubscriber(int);
+    method public static java.util.List<android.telephony.SubscriptionInfo> getSubscriptionInfoUsingSlotId(int);
+    method public static void register(android.content.Context, android.telephony.SubscriptionListener, int);
+    method public static void unregister(android.content.Context, android.telephony.SubscriptionListener);
+    field public static final int INVALID_SUB_ID = -1000; // 0xfffffc18
   }
 
   public class TelephonyManager {
diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java
index 2df35df..1de9b47 100644
--- a/core/java/android/app/ContextImpl.java
+++ b/core/java/android/app/ContextImpl.java
@@ -20,9 +20,9 @@
 import android.app.usage.UsageStatsManager;
 import android.appwidget.AppWidgetManager;
 import android.os.Build;
+
 import android.service.persistentdata.IPersistentDataBlockService;
 import android.service.persistentdata.PersistentDataBlockManager;
-
 import com.android.internal.appwidget.IAppWidgetService;
 import com.android.internal.policy.PolicyManager;
 import com.android.internal.util.Preconditions;
@@ -125,7 +125,6 @@
 import android.service.fingerprint.IFingerprintService;
 import android.service.fingerprint.FingerprintManager;
 import android.telecom.TelecomManager;
-import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.content.ClipboardManager;
 import android.util.AndroidRuntimeException;
@@ -562,11 +561,6 @@
                     return new TelephonyManager(ctx.getOuterContext());
                 }});
 
-        registerService(TELEPHONY_SUBSCRIPTION_SERVICE, new ServiceFetcher() {
-            public Object createService(ContextImpl ctx) {
-                return new SubscriptionManager(ctx.getOuterContext());
-            }});
-
         registerService(TELECOM_SERVICE, new ServiceFetcher() {
                 public Object createService(ContextImpl ctx) {
                     return new TelecomManager(ctx.getOuterContext());
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 0daa8e2..a73ba74 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -2245,8 +2245,6 @@
      * @see android.media.MediaRouter
      * @see #TELEPHONY_SERVICE
      * @see android.telephony.TelephonyManager
-     * @see #TELEPHONY_SUBSCRIPTION_SERVICE
-     * @see android.telephony.SubscriptionManager
      * @see #INPUT_METHOD_SERVICE
      * @see android.view.inputmethod.InputMethodManager
      * @see #UI_MODE_SERVICE
@@ -2591,16 +2589,6 @@
 
     /**
      * Use with {@link #getSystemService} to retrieve a
-     * {@link android.telephony.SubscriptionManager} for handling management the
-     * telephony subscriptions of the device.
-     *
-     * @see #getSystemService
-     * @see android.telephony.SubscriptionManager
-     */
-    public static final String TELEPHONY_SUBSCRIPTION_SERVICE = "telephony_subscription_service";
-
-    /**
-     * Use with {@link #getSystemService} to retrieve a
      * {@link android.telecom.TelecomManager} to manage telecom-related features
      * of the device.
      *
diff --git a/core/java/android/provider/CallLog.java b/core/java/android/provider/CallLog.java
index f023df7..3ec45e9 100644
--- a/core/java/android/provider/CallLog.java
+++ b/core/java/android/provider/CallLog.java
@@ -387,6 +387,7 @@
         public static Uri addCall(CallerInfo ci, Context context, String number,
                 int presentation, int callType, int features, PhoneAccountHandle accountHandle,
                 long start, int duration, Long dataUsage) {
+            // FIXME using -1 as subId instead of SubscriptionManager.INVALID_SUB_ID
             return addCall(ci, context, number, presentation, callType, features, accountHandle,
                     start, duration, dataUsage, false);
         }
diff --git a/services/core/java/com/android/server/NetworkManagementService.java b/services/core/java/com/android/server/NetworkManagementService.java
index 5fe0d1c..0f033d7 100644
--- a/services/core/java/com/android/server/NetworkManagementService.java
+++ b/services/core/java/com/android/server/NetworkManagementService.java
@@ -239,7 +239,7 @@
 
         mDaemonHandler = new Handler(FgThread.get().getLooper());
 
-        mPhoneStateListener = new PhoneStateListener(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID,
+        mPhoneStateListener = new PhoneStateListener(SubscriptionManager.DEFAULT_SUB_ID,
                 mDaemonHandler.getLooper()) {
             @Override
             public void onDataConnectionRealTimeInfoChanged(
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index 9b5b38d..2ed021a 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -34,6 +34,8 @@
 import android.telephony.CellLocation;
 import android.telephony.DataConnectionRealTimeInfo;
 import android.telephony.Rlog;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionListener;
 import android.telephony.TelephonyManager;
 import android.telephony.SubscriptionManager;
 import android.telephony.PhoneStateListener;
@@ -41,6 +43,7 @@
 import android.telephony.SignalStrength;
 import android.telephony.CellInfo;
 import android.telephony.VoLteServiceState;
+import android.telephony.TelephonyManager;
 import android.telephony.DisconnectCause;
 import android.telephony.PreciseCallState;
 import android.telephony.PreciseDataConnectionState;
@@ -49,12 +52,13 @@
 import android.text.format.Time;
 
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.List;
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
 
 import com.android.internal.app.IBatteryStats;
-import com.android.internal.telephony.IOnSubscriptionsChangedListener;
+import com.android.internal.telephony.ISubscriptionListener;
 import com.android.internal.telephony.ITelephonyRegistry;
 import com.android.internal.telephony.IPhoneStateListener;
 import com.android.internal.telephony.DefaultPhoneNotifier;
@@ -89,29 +93,28 @@
         IBinder binder;
 
         IPhoneStateListener callback;
-        IOnSubscriptionsChangedListener onSubscriptionsChangedListenerCallback;
+        ISubscriptionListener subscriptionListenerCallback;
 
         int callerUid;
 
         int events;
 
-        int subId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+        int subId = SubscriptionManager.INVALID_SUB_ID;
 
-        int phoneId = SubscriptionManager.INVALID_PHONE_INDEX;
+        int phoneId = SubscriptionManager.INVALID_PHONE_ID;
 
         boolean matchPhoneStateListenerEvent(int events) {
             return (callback != null) && ((events & this.events) != 0);
         }
 
-        boolean matchOnSubscriptionsChangedListener() {
-            return (onSubscriptionsChangedListenerCallback != null);
+        boolean matchSubscriptionListenerEvent(int events) {
+            return (subscriptionListenerCallback != null) && ((events & this.events) != 0);
         }
 
         @Override
         public String toString() {
             return "{pkgForDebug=" + pkgForDebug + " binder=" + binder + " callback=" + callback
-                    + " onSubscriptionsChangedListenererCallback="
-                                            + onSubscriptionsChangedListenerCallback
+                    + " subscriptionListenererCallback=" + subscriptionListenerCallback
                     + " callerUid=" + callerUid + " subId=" + subId + " phoneId=" + phoneId
                     + " events=" + Integer.toHexString(events) + "}";
         }
@@ -125,8 +128,6 @@
 
     private final IBatteryStats mBatteryStats;
 
-    private boolean hasNotifySubscriptionInfoChangedOccurred = false;
-
     private int mNumPhones;
 
     private int[] mCallState;
@@ -167,9 +168,9 @@
 
     private VoLteServiceState mVoLteServiceState = new VoLteServiceState();
 
-    private int mDefaultSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+    private int mDefaultSubId = SubscriptionManager.INVALID_SUB_ID;
 
-    private int mDefaultPhoneId = SubscriptionManager.INVALID_PHONE_INDEX;
+    private int mDefaultPhoneId = SubscriptionManager.INVALID_PHONE_ID;
 
     private DataConnectionRealTimeInfo mDcRtInfo = new DataConnectionRealTimeInfo();
 
@@ -226,7 +227,7 @@
                     //possible missed notify callback
                     synchronized (mRecords) {
                         for (Record r : mRecords) {
-                            if(r.subId == SubscriptionManager.DEFAULT_SUBSCRIPTION_ID) {
+                            if(r.subId == SubscriptionManager.DEFAULT_SUB_ID) {
                                 checkPossibleMissNotify(r, newDefaultPhoneId);
                             }
                         }
@@ -338,85 +339,90 @@
     }
 
     @Override
-    public void registerOnSubscriptionsChangedListener(String pkgForDebug,
-            IOnSubscriptionsChangedListener callback) {
+    public void registerSubscriptionListener(String pkgForDebug, ISubscriptionListener callback,
+            int events) {
         int callerUid = UserHandle.getCallingUserId();
         int myUid = UserHandle.myUserId();
         if (VDBG) {
-            log("listen oscl: E pkg=" + pkgForDebug + " myUid=" + myUid
-                + " callerUid="  + callerUid + " callback=" + callback
+            log("listen sl: E pkg=" + pkgForDebug + " events=0x" + Integer.toHexString(events)
+                + " myUid=" + myUid + " callerUid=" + callerUid + " callback=" + callback
                 + " callback.asBinder=" + callback.asBinder());
         }
 
-        /* Checks permission and throws Security exception */
-        checkOnSubscriptionsChangedListenerPermission();
-        Record r = null;
+        if (events != 0) {
+            /* Checks permission and throws Security exception */
+            checkSubscriptionListenerPermission(events);
+            Record r = null;
 
-        synchronized (mRecords) {
-            // register
-            find_and_add: {
-                IBinder b = callback.asBinder();
-                final int N = mRecords.size();
-                for (int i = 0; i < N; i++) {
-                    r = mRecords.get(i);
-                    if (b == r.binder) {
-                        break find_and_add;
+            synchronized (mRecords) {
+                // register
+                find_and_add: {
+                    IBinder b = callback.asBinder();
+                    final int N = mRecords.size();
+                    for (int i = 0; i < N; i++) {
+                        r = mRecords.get(i);
+                        if (b == r.binder) {
+                            break find_and_add;
+                        }
                     }
+                    r = new Record();
+                    r.binder = b;
+                    mRecords.add(r);
+                    if (DBG) log("listen sl: add new record");
                 }
-                r = new Record();
-                r.binder = b;
-                mRecords.add(r);
-                if (DBG) log("listen oscl: add new record");
+
+                r.subscriptionListenerCallback = callback;
+                r.pkgForDebug = pkgForDebug;
+                r.callerUid = callerUid;
+                r.events = events;
+                if (DBG) {
+                    log("listen sl:  Register r=" + r);
+                }
             }
 
-            r.onSubscriptionsChangedListenerCallback = callback;
-            r.pkgForDebug = pkgForDebug;
-            r.callerUid = callerUid;
-            r.events = 0;
-            if (DBG) {
-                log("listen oscl:  Register r=" + r);
-            }
-            // Always notify when registration occurs if there has been a notification.
-            if (hasNotifySubscriptionInfoChangedOccurred) {
+            // Always notify when a listen is established.
+            if (r.matchSubscriptionListenerEvent(
+                    SubscriptionListener.LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED)) {
                 try {
-                    if (VDBG) log("listen oscl: send to r=" + r);
-                    r.onSubscriptionsChangedListenerCallback.onSubscriptionsChanged();
-                    if (VDBG) log("listen oscl: sent to r=" + r);
+                    if (VDBG) log("listen sl: send to r=" + r);
+                    r.subscriptionListenerCallback.onSubscriptionInfoChanged();
+                    if (VDBG) log("listen sl: sent to r=" + r);
                 } catch (RemoteException e) {
-                    if (VDBG) log("listen oscl: remote exception sending to r=" + r + " e=" + e);
+                    if (VDBG) log("listen sl: remote exception sending to r=" + r + " e=" + e);
                     remove(r.binder);
                 }
-            } else {
-                log("listen oscl: hasNotifySubscriptionInfoChangedOccurred==false no callback");
             }
+        } else {
+            if (DBG) log("listen sl: Unregister as event is LISTEN_NONE");
+            unregisterSubscriptionListener(pkgForDebug, callback);
         }
     }
 
     @Override
-    public void unregisterOnSubscriptionsChangedListener(String pkgForDebug,
-            IOnSubscriptionsChangedListener callback) {
-        if (DBG) log("listen oscl: Unregister");
+    public void unregisterSubscriptionListener(String pkgForDebug, ISubscriptionListener callback) {
+        if (DBG) log("listen sl: Unregister as event is LISTEN_NONE");
         remove(callback.asBinder());
     }
 
-    private void checkOnSubscriptionsChangedListenerPermission() {
-        mContext.enforceCallingOrSelfPermission(
-                SubscriptionManager.OnSubscriptionsChangedListener
-                    .PERMISSION_ON_SUBSCRIPTIONS_CHANGED, null);
+    private void checkSubscriptionListenerPermission(int events) {
+        if ((events & SubscriptionListener.LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED) != 0) {
+            mContext.enforceCallingOrSelfPermission(
+                    SubscriptionListener.PERMISSION_LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED, null);
+        }
     }
 
     @Override
     public void notifySubscriptionInfoChanged() {
         if (VDBG) log("notifySubscriptionInfoChanged:");
         synchronized (mRecords) {
-            hasNotifySubscriptionInfoChangedOccurred = true;
             mRemoveList.clear();
             for (Record r : mRecords) {
-                if (r.matchOnSubscriptionsChangedListener()) {
+                if (r.matchSubscriptionListenerEvent(
+                        SubscriptionListener.LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED)) {
                     try {
-                        if (VDBG) log("notifySubscriptionInfoChanged: call osc to r=" + r);
-                        r.onSubscriptionsChangedListenerCallback.onSubscriptionsChanged();
-                        if (VDBG) log("notifySubscriptionInfoChanged: call osc to r=" + r);
+                        if (VDBG) log("notifySubscriptionInfoChanged: send to r=" + r);
+                        r.subscriptionListenerCallback.onSubscriptionInfoChanged();
+                        if (VDBG) log("notifySubscriptionInfoChanged: sent to r=" + r);
                     } catch (RemoteException ex) {
                         if (VDBG) log("notifySubscriptionInfoChanged: RemoteException r=" + r);
                         mRemoveList.add(r.binder);
@@ -430,8 +436,8 @@
     @Override
     public void listen(String pkgForDebug, IPhoneStateListener callback, int events,
             boolean notifyNow) {
-        listenForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, pkgForDebug, callback,
-                events, notifyNow);
+        listenForSubscriber(SubscriptionManager.DEFAULT_SUB_ID, pkgForDebug, callback, events,
+            notifyNow);
     }
 
     @Override
@@ -477,7 +483,7 @@
                 // Legacy applications pass SubscriptionManager.DEFAULT_SUB_ID,
                 // force all illegal subId to SubscriptionManager.DEFAULT_SUB_ID
                 if (!SubscriptionManager.isValidSubId(subId)) {
-                    r.subId = SubscriptionManager.DEFAULT_SUBSCRIPTION_ID;
+                    r.subId = SubscriptionManager.DEFAULT_SUB_ID;
                  } else {//APP specify subID
                     r.subId = subId;
                 }
@@ -636,7 +642,7 @@
         synchronized (mRecords) {
             for (Record r : mRecords) {
                 if (r.matchPhoneStateListenerEvent(PhoneStateListener.LISTEN_CALL_STATE) &&
-                        (r.subId == SubscriptionManager.DEFAULT_SUBSCRIPTION_ID)) {
+                        (r.subId == SubscriptionManager.DEFAULT_SUB_ID)) {
                     try {
                         r.callback.onCallStateChanged(state, incomingNumber);
                     } catch (RemoteException ex) {
@@ -646,8 +652,7 @@
             }
             handleRemoveListLocked();
         }
-        broadcastCallStateChanged(state, incomingNumber,
-                SubscriptionManager.DEFAULT_SUBSCRIPTION_ID);
+        broadcastCallStateChanged(state, incomingNumber, SubscriptionManager.DEFAULT_SUB_ID);
     }
 
     public void notifyCallStateForSubscriber(int subId, int state, String incomingNumber) {
@@ -666,7 +671,7 @@
                 for (Record r : mRecords) {
                     if (r.matchPhoneStateListenerEvent(PhoneStateListener.LISTEN_CALL_STATE) &&
                             (r.subId == subId) &&
-                            (r.subId != SubscriptionManager.DEFAULT_SUBSCRIPTION_ID)) {
+                            (r.subId != SubscriptionManager.DEFAULT_SUB_ID)) {
                         try {
                             r.callback.onCallStateChanged(state, incomingNumber);
                         } catch (RemoteException ex) {
@@ -723,8 +728,7 @@
     }
 
     public void notifySignalStrength(SignalStrength signalStrength) {
-        notifySignalStrengthForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID,
-                signalStrength);
+        notifySignalStrengthForSubscriber(SubscriptionManager.DEFAULT_SUB_ID, signalStrength);
     }
 
     public void notifySignalStrengthForSubscriber(int subId, SignalStrength signalStrength) {
@@ -785,7 +789,7 @@
     }
 
     public void notifyCellInfo(List<CellInfo> cellInfo) {
-         notifyCellInfoForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, cellInfo);
+         notifyCellInfoForSubscriber(SubscriptionManager.DEFAULT_SUB_ID, cellInfo);
     }
 
     public void notifyCellInfoForSubscriber(int subId, List<CellInfo> cellInfo) {
@@ -873,7 +877,7 @@
     }
 
     public void notifyCallForwardingChanged(boolean cfi) {
-        notifyCallForwardingChangedForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, cfi);
+        notifyCallForwardingChangedForSubscriber(SubscriptionManager.DEFAULT_SUB_ID, cfi);
     }
 
     public void notifyCallForwardingChangedForSubscriber(int subId, boolean cfi) {
@@ -905,7 +909,7 @@
     }
 
     public void notifyDataActivity(int state) {
-        notifyDataActivityForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, state);
+        notifyDataActivityForSubscriber(SubscriptionManager.DEFAULT_SUB_ID, state);
     }
 
     public void notifyDataActivityForSubscriber(int subId, int state) {
@@ -914,15 +918,13 @@
         }
         synchronized (mRecords) {
             int phoneId = SubscriptionManager.getPhoneId(subId);
-            if (validatePhoneId(phoneId)) {
-                mDataActivity[phoneId] = state;
-                for (Record r : mRecords) {
-                    if (r.matchPhoneStateListenerEvent(PhoneStateListener.LISTEN_DATA_ACTIVITY)) {
-                        try {
-                            r.callback.onDataActivity(state);
-                        } catch (RemoteException ex) {
-                            mRemoveList.add(r.binder);
-                        }
+            mDataActivity[phoneId] = state;
+            for (Record r : mRecords) {
+                if (r.matchPhoneStateListenerEvent(PhoneStateListener.LISTEN_DATA_ACTIVITY)) {
+                    try {
+                        r.callback.onDataActivity(state);
+                    } catch (RemoteException ex) {
+                        mRemoveList.add(r.binder);
                     }
                 }
             }
@@ -933,7 +935,7 @@
     public void notifyDataConnection(int state, boolean isDataConnectivityPossible,
             String reason, String apn, String apnType, LinkProperties linkProperties,
             NetworkCapabilities networkCapabilities, int networkType, boolean roaming) {
-        notifyDataConnectionForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, state,
+        notifyDataConnectionForSubscriber(SubscriptionManager.DEFAULT_SUB_ID, state,
             isDataConnectivityPossible,reason, apn, apnType, linkProperties,
             networkCapabilities, networkType, roaming);
     }
@@ -954,69 +956,67 @@
         }
         synchronized (mRecords) {
             int phoneId = SubscriptionManager.getPhoneId(subId);
-            if (validatePhoneId(phoneId)) {
-                boolean modified = false;
-                if (state == TelephonyManager.DATA_CONNECTED) {
-                    if (!mConnectedApns.contains(apnType)) {
-                        mConnectedApns.add(apnType);
-                        if (mDataConnectionState[phoneId] != state) {
-                            mDataConnectionState[phoneId] = state;
-                            modified = true;
-                        }
-                    }
-                } else {
-                    if (mConnectedApns.remove(apnType)) {
-                        if (mConnectedApns.isEmpty()) {
-                            mDataConnectionState[phoneId] = state;
-                            modified = true;
-                        } else {
-                            // leave mDataConnectionState as is and
-                            // send out the new status for the APN in question.
-                        }
+            boolean modified = false;
+            if (state == TelephonyManager.DATA_CONNECTED) {
+                if (!mConnectedApns.contains(apnType)) {
+                    mConnectedApns.add(apnType);
+                    if (mDataConnectionState[phoneId] != state) {
+                        mDataConnectionState[phoneId] = state;
+                        modified = true;
                     }
                 }
-                mDataConnectionPossible[phoneId] = isDataConnectivityPossible;
-                mDataConnectionReason[phoneId] = reason;
-                mDataConnectionLinkProperties[phoneId] = linkProperties;
-                mDataConnectionNetworkCapabilities[phoneId] = networkCapabilities;
-                if (mDataConnectionNetworkType[phoneId] != networkType) {
-                    mDataConnectionNetworkType[phoneId] = networkType;
-                    // need to tell registered listeners about the new network type
-                    modified = true;
-                }
-                if (modified) {
-                    if (DBG) {
-                        log("onDataConnectionStateChanged(" + mDataConnectionState[phoneId]
-                            + ", " + mDataConnectionNetworkType[phoneId] + ")");
+            } else {
+                if (mConnectedApns.remove(apnType)) {
+                    if (mConnectedApns.isEmpty()) {
+                        mDataConnectionState[phoneId] = state;
+                        modified = true;
+                    } else {
+                        // leave mDataConnectionState as is and
+                        // send out the new status for the APN in question.
                     }
-                    for (Record r : mRecords) {
-                        if (r.matchPhoneStateListenerEvent(
-                                PhoneStateListener.LISTEN_DATA_CONNECTION_STATE) &&
-                                idMatch(r.subId, subId, phoneId)) {
-                            try {
-                                log("Notify data connection state changed on sub: " +
-                                        subId);
-                                r.callback.onDataConnectionStateChanged(mDataConnectionState[phoneId],
-                                        mDataConnectionNetworkType[phoneId]);
-                            } catch (RemoteException ex) {
-                                mRemoveList.add(r.binder);
-                            }
-                        }
-                    }
-                    handleRemoveListLocked();
                 }
-                mPreciseDataConnectionState = new PreciseDataConnectionState(state, networkType,
-                        apnType, apn, reason, linkProperties, "");
+            }
+            mDataConnectionPossible[phoneId] = isDataConnectivityPossible;
+            mDataConnectionReason[phoneId] = reason;
+            mDataConnectionLinkProperties[phoneId] = linkProperties;
+            mDataConnectionNetworkCapabilities[phoneId] = networkCapabilities;
+            if (mDataConnectionNetworkType[phoneId] != networkType) {
+                mDataConnectionNetworkType[phoneId] = networkType;
+                // need to tell registered listeners about the new network type
+                modified = true;
+            }
+            if (modified) {
+                if (DBG) {
+                    log("onDataConnectionStateChanged(" + mDataConnectionState[phoneId]
+                        + ", " + mDataConnectionNetworkType[phoneId] + ")");
+                }
                 for (Record r : mRecords) {
                     if (r.matchPhoneStateListenerEvent(
-                            PhoneStateListener.LISTEN_PRECISE_DATA_CONNECTION_STATE)) {
+                            PhoneStateListener.LISTEN_DATA_CONNECTION_STATE) &&
+                            idMatch(r.subId, subId, phoneId)) {
                         try {
-                            r.callback.onPreciseDataConnectionStateChanged(mPreciseDataConnectionState);
+                            log("Notify data connection state changed on sub: " +
+                                    subId);
+                            r.callback.onDataConnectionStateChanged(mDataConnectionState[phoneId],
+                                    mDataConnectionNetworkType[phoneId]);
                         } catch (RemoteException ex) {
                             mRemoveList.add(r.binder);
                         }
                     }
                 }
+                handleRemoveListLocked();
+            }
+            mPreciseDataConnectionState = new PreciseDataConnectionState(state, networkType,
+                    apnType, apn, reason, linkProperties, "");
+            for (Record r : mRecords) {
+                if (r.matchPhoneStateListenerEvent(
+                        PhoneStateListener.LISTEN_PRECISE_DATA_CONNECTION_STATE)) {
+                    try {
+                        r.callback.onPreciseDataConnectionStateChanged(mPreciseDataConnectionState);
+                    } catch (RemoteException ex) {
+                        mRemoveList.add(r.binder);
+                    }
+                }
             }
             handleRemoveListLocked();
         }
@@ -1027,7 +1027,7 @@
     }
 
     public void notifyDataConnectionFailed(String reason, String apnType) {
-         notifyDataConnectionFailedForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID,
+         notifyDataConnectionFailedForSubscriber(SubscriptionManager.DEFAULT_SUB_ID,
                  reason, apnType);
     }
 
@@ -1062,7 +1062,7 @@
     }
 
     public void notifyCellLocation(Bundle cellLocation) {
-         notifyCellLocationForSubscriber(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, cellLocation);
+         notifyCellLocationForSubscriber(SubscriptionManager.DEFAULT_SUB_ID, cellLocation);
     }
 
     public void notifyCellLocationForSubscriber(int subId, Bundle cellLocation) {
@@ -1226,7 +1226,7 @@
                 if ((r.matchPhoneStateListenerEvent(
                         PhoneStateListener.LISTEN_OEM_HOOK_RAW_EVENT)) &&
                         ((r.subId == subId) ||
-                        (r.subId == SubscriptionManager.DEFAULT_SUBSCRIPTION_ID))) {
+                        (r.subId == SubscriptionManager.DEFAULT_SUB_ID))) {
                     try {
                         r.callback.onOemHookRawEvent(rawData);
                     } catch (RemoteException ex) {
@@ -1399,17 +1399,14 @@
     }
 
     private void broadcastPreciseDataConnectionStateChanged(int state, int networkType,
-            String apnType, String apn, String reason, LinkProperties linkProperties,
-            String failCause) {
+            String apnType, String apn, String reason, LinkProperties linkProperties, String failCause) {
         Intent intent = new Intent(TelephonyManager.ACTION_PRECISE_DATA_CONNECTION_STATE_CHANGED);
         intent.putExtra(PhoneConstants.STATE_KEY, state);
         intent.putExtra(PhoneConstants.DATA_NETWORK_TYPE_KEY, networkType);
         if (reason != null) intent.putExtra(PhoneConstants.STATE_CHANGE_REASON_KEY, reason);
         if (apnType != null) intent.putExtra(PhoneConstants.DATA_APN_TYPE_KEY, apnType);
         if (apn != null) intent.putExtra(PhoneConstants.DATA_APN_KEY, apn);
-        if (linkProperties != null) {
-            intent.putExtra(PhoneConstants.DATA_LINK_PROPERTIES_KEY,linkProperties);
-        }
+        if (linkProperties != null) intent.putExtra(PhoneConstants.DATA_LINK_PROPERTIES_KEY, linkProperties);
         if (failCause != null) intent.putExtra(PhoneConstants.DATA_FAILURE_CAUSE_KEY, failCause);
 
         mContext.sendBroadcastAsUser(intent, UserHandle.ALL,
@@ -1509,8 +1506,7 @@
 
         @Override
         public String toString() {
-            return mS + " Time " + mTime.toString() + " mSubId " + mSubId + " mPhoneId "
-                    + mPhoneId + "  mState " + mState;
+            return mS + " Time " + mTime.toString() + " mSubId " + mSubId + " mPhoneId " + mPhoneId + "  mState " + mState;
         }
     }
 
@@ -1554,7 +1550,7 @@
     }
 
     boolean idMatch(int rSubId, int subId, int phoneId) {
-        if(rSubId == SubscriptionManager.DEFAULT_SUBSCRIPTION_ID) {
+        if(rSubId == SubscriptionManager.DEFAULT_SUB_ID) {
             if(subId < 0) {
                 // Invalid case, we need compare phoneId with default one.
                 return (mDefaultPhoneId == phoneId);
diff --git a/services/core/java/com/android/server/location/GpsLocationProvider.java b/services/core/java/com/android/server/location/GpsLocationProvider.java
index 7e2b970..2c9a468 100644
--- a/services/core/java/com/android/server/location/GpsLocationProvider.java
+++ b/services/core/java/com/android/server/location/GpsLocationProvider.java
@@ -73,8 +73,8 @@
 import android.provider.Telephony.Sms.Intents;
 import android.telephony.SmsMessage;
 import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionListener;
 import android.telephony.SubscriptionManager;
-import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener;
 import android.telephony.TelephonyManager;
 import android.telephony.gsm.GsmCellLocation;
 import android.text.TextUtils;
@@ -462,10 +462,9 @@
         }
     };
 
-    private final OnSubscriptionsChangedListener mOnSubscriptionsChangedListener =
-            new OnSubscriptionsChangedListener() {
+    private final SubscriptionListener mSubscriptionListener = new SubscriptionListener() {
         @Override
-        public void onSubscriptionsChanged() {
+        public void onSubscriptionInfoChanged() {
             subscriptionOrSimChanged(mContext);
         }
     };
@@ -641,14 +640,14 @@
                                                 mSuplEsEnabled);
 
         // TODO: When this object "finishes" we should unregister by invoking
-        // SubscriptionManager.getInstance(mContext).unregister(mOnSubscriptionsChangedListener);
+        // SubscriptionManager.unregister(mContext, mSubscriptionListener);
         // This is not strictly necessary because it will be unregistered if the
         // notification fails but it is good form.
 
         // Register for SubscriptionInfo list changes which is guaranteed
-        // to invoke onSubscriptionsChanged the first time.
-        SubscriptionManager.from(mContext)
-            .registerOnSubscriptionsChangedListener(mOnSubscriptionsChangedListener);
+        // to invoke onSubscriptionInfoChanged the first time.
+        SubscriptionManager.register(mContext, mSubscriptionListener,
+                SubscriptionListener.LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED);
 
         // construct handler, listen for events
         mHandler = new ProviderHandler(looper);
diff --git a/telephony/java/android/telephony/PhoneStateListener.java b/telephony/java/android/telephony/PhoneStateListener.java
index 8f4a92b..2f1a8da 100644
--- a/telephony/java/android/telephony/PhoneStateListener.java
+++ b/telephony/java/android/telephony/PhoneStateListener.java
@@ -227,7 +227,7 @@
      * @hide
      */
     /** @hide */
-    protected int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+    protected int mSubId = SubscriptionManager.INVALID_SUB_ID;
 
     private final Handler mHandler;
 
@@ -237,7 +237,7 @@
      * own non-null looper use PhoneStateListener(Looper looper) below.
      */
     public PhoneStateListener() {
-        this(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, Looper.myLooper());
+        this(SubscriptionManager.DEFAULT_SUB_ID, Looper.myLooper());
     }
 
     /**
@@ -246,7 +246,7 @@
      * @hide
      */
     public PhoneStateListener(Looper looper) {
-        this(SubscriptionManager.DEFAULT_SUBSCRIPTION_ID, looper);
+        this(SubscriptionManager.DEFAULT_SUB_ID, looper);
     }
 
     /**
diff --git a/telephony/java/android/telephony/SubscriptionListener.java b/telephony/java/android/telephony/SubscriptionListener.java
new file mode 100644
index 0000000..5c65333
--- /dev/null
+++ b/telephony/java/android/telephony/SubscriptionListener.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.telephony;
+
+import com.android.internal.telephony.ISub;
+import com.android.internal.telephony.ISubscriptionListener;
+
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Looper;
+import android.os.Message;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.telephony.Rlog;
+
+import java.util.List;
+
+/**
+ * A listener class for monitoring changes to Subscription state
+ * changes on the device.
+ * <p>
+ * Override the onXxxx methods in this class and passing to the listen method
+ * bitwise-or of the corresponding LISTEN_Xxxx bit flags below.
+ * <p>
+ * Note that access to some of the information is permission-protected. Your
+ * application won't receive updates for protected information unless it has
+ * the appropriate permissions declared in its manifest file. Where permissions
+ * apply, they are noted in the appropriate LISTEN_ flags.
+ */
+public class SubscriptionListener {
+    private static final String LOG_TAG = "SubscriptionListener";
+    private static final boolean DBG = false; // STOPSHIP if true
+
+    /**
+     * Permission for LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED
+     *
+     * @hide
+     */
+    public static final String PERMISSION_LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED =
+            android.Manifest.permission.READ_PHONE_STATE;
+
+    /**
+     *  Listen for changes to the SubscriptionInoList when listening for this event
+     *  it is guaranteed that on #onSubscriptionInfoChanged will be invoked. This initial
+     *  invocation should be used to call SubscriptionManager.getActiveSubscriptionInfoList()
+     *  to get the initial list.
+     *
+     *  Permissions: android.Manifest.permission.READ_PHONE_STATE
+     *  @see #onSubscriptionInfoChanged
+     */
+    public static final int LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED = 0x00000001;
+
+    private final Handler mHandler;
+
+    /**
+     * Create a SubscriptionLitener for the device.
+     *
+     * This class requires Looper.myLooper() not return null. To supply your
+     * own non-null looper use PhoneStateListener(Looper looper) below.
+     */
+    public SubscriptionListener() {
+        this(Looper.myLooper());
+    }
+
+    /**
+     * Create a PhoneStateListener for the Phone using the specified subscription
+     * and non-null Looper.
+     */
+    public SubscriptionListener(Looper looper) {
+        if (DBG) log("ctor:  looper=" + looper);
+
+        ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
+        mHandler = new Handler(looper) {
+            @Override
+            public void handleMessage(Message msg) {
+                if (DBG) {
+                    log("what=0x" + Integer.toHexString(msg.what) + " msg=" + msg);
+                }
+                switch (msg.what) {
+                    case LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED:
+                        SubscriptionListener.this.onSubscriptionInfoChanged();
+                        break;
+                }
+            }
+        };
+    }
+
+    /**
+     * Callback invoked when there is any change to any SubscriptionInfo.
+     */
+    public void onSubscriptionInfoChanged() {
+        // default implementation empty
+    }
+
+    /**
+     * The callback methods need to be called on the handler thread where
+     * this object was created.  If the binder did that for us it'd be nice.
+     */
+    ISubscriptionListener callback = new ISubscriptionListener.Stub() {
+        @Override
+        public void onSubscriptionInfoChanged() {
+            Message msg = Message.obtain(mHandler, LISTEN_SUBSCRIPTION_INFO_LIST_CHANGED);
+            msg.sendToTarget();
+        }
+    };
+
+    private void log(String s) {
+        Rlog.d(LOG_TAG, s);
+    }
+}
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index 43ce51f..78ab6870 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -21,14 +21,12 @@
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
+import android.provider.BaseColumns;
 import android.telephony.Rlog;
-import android.os.Handler;
-import android.os.Message;
 import android.os.ServiceManager;
 import android.os.RemoteException;
 
 import com.android.internal.telephony.ISub;
-import com.android.internal.telephony.IOnSubscriptionsChangedListener;
 import com.android.internal.telephony.ITelephonyRegistry;
 import com.android.internal.telephony.PhoneConstants;
 
@@ -38,79 +36,62 @@
 /**
  * SubscriptionManager is the application interface to SubscriptionController
  * and provides information about the current Telephony Subscriptions.
- * * <p>
- * You do not instantiate this class directly; instead, you retrieve
- * a reference to an instance through {@link #from}.
- * <p>
- * All SDK public methods require android.Manifest.permission.READ_PHONE_STATE.
+ *
+ * The android.Manifest.permission.READ_PHONE_STATE to retrieve the information, except
+ * getActiveSubIdList and getActiveSubIdCount for which no permission is needed.
  */
-public class SubscriptionManager {
-    private static final String LOG_TAG = "SubscriptionManager";
+public class SubscriptionManager implements BaseColumns {
+    private static final String LOG_TAG = "SUB";
     private static final boolean DBG = true;
     private static final boolean VDBG = false;
 
     /** An invalid subscription identifier */
-    public static final int INVALID_SUBSCRIPTION_ID = -1;
-
-    /** Base value for Dummy SUBSCRIPTION_ID's. */
-    /** FIXME: Remove DummySubId's, but for now have them map just below INVALID_SUBSCRIPTION_ID
-    /** @hide */
-    public static final int DUMMY_SUBSCRIPTION_ID_BASE = INVALID_SUBSCRIPTION_ID - 1;
+    public static final int INVALID_SUB_ID = -1000;
 
     /** An invalid phone identifier */
     /** @hide */
-    public static final int INVALID_PHONE_INDEX = -1;
+    public static final int INVALID_PHONE_ID = -1;
 
     /** An invalid slot identifier */
     /** @hide */
-    public static final int INVALID_SIM_SLOT_INDEX = -1;
+    public static final int INVALID_SLOT_ID = -1;
 
     /** Indicates the caller wants the default sub id. */
     /** @hide */
-    public static final int DEFAULT_SUBSCRIPTION_ID = Integer.MAX_VALUE;
+    public static final int DEFAULT_SUB_ID = Integer.MAX_VALUE;
 
-    /**
-     * Indicates the caller wants the default phone id.
-     * Used in SubscriptionController and PhoneBase but do we really need it???
-     * @hide
-     */
-    public static final int DEFAULT_PHONE_INDEX = Integer.MAX_VALUE;
-
-    /** Indicates the caller wants the default slot id. NOT used remove? */
+    /** Indicates the caller wants the default phone id. */
     /** @hide */
-    public static final int DEFAULT_SIM_SLOT_INDEX = Integer.MAX_VALUE;
+    public static final int DEFAULT_PHONE_ID = Integer.MAX_VALUE;
+
+    /** Indicates the caller wants the default slot id. */
+    /** @hide */
+    public static final int DEFAULT_SLOT_ID = Integer.MAX_VALUE;
 
     /** Minimum possible subid that represents a subscription */
     /** @hide */
-    public static final int MIN_SUBSCRIPTION_ID_VALUE = 0;
+    public static final int MIN_SUB_ID_VALUE = 0;
 
     /** Maximum possible subid that represents a subscription */
     /** @hide */
-    public static final int MAX_SUBSCRIPTION_ID_VALUE = DEFAULT_SUBSCRIPTION_ID - 1;
+    public static final int MAX_SUB_ID_VALUE = DEFAULT_SUB_ID - 1;
+
 
     /** @hide */
     public static final Uri CONTENT_URI = Uri.parse("content://telephony/siminfo");
 
     /**
-     * TelephonyProvider unique key column name is the subscription id.
-     * <P>Type: TEXT (String)</P>
-     */
-    /** @hide */
-    public static final String UNIQUE_KEY_SUBSCRIPTION_ID = "_id";
-
-    /**
-     * TelephonyProvider column name for SIM ICC Identifier
+     * The ICC ID of a SIM.
      * <P>Type: TEXT (String)</P>
      */
     /** @hide */
     public static final String ICC_ID = "icc_id";
 
     /**
-     * TelephonyProvider column name for user SIM_SlOT_INDEX
      * <P>Type: INTEGER (int)</P>
      */
     /** @hide */
-    public static final String SIM_SLOT_INDEX = "sim_id";
+    public static final String SIM_ID = "sim_id";
 
     /** SIM is not inserted */
     /** @hide */
@@ -249,107 +230,39 @@
     /**
      * Broadcast Action: The user has changed one of the default subs related to
      * data, phone calls, or sms</p>
-     *
-     * TODO: Change to a listener
      * @hide
      */
     @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
     public static final String SUB_DEFAULT_CHANGED_ACTION =
         "android.intent.action.SUB_DEFAULT_CHANGED";
 
-    private final Context mContext;
-
-    /**
-     * A listener class for monitoring changes to {@link SubscriptionInfo} records.
-     * <p>
-     * Override the onSubscriptionsChanged method in the object that extends this
-     * class and pass it to {@link #registerOnSubscriptionsChangedListener(OnSubscriptionsChangedListener)}
-     * to register your listener and to unregister invoke
-     * {@link #unregisterOnSubscriptionsChangedListener(OnSubscriptionsChangedListener)}
-     * <p>
-     * Permissions android.Manifest.permission.READ_PHONE_STATE is required
-     * for #onSubscriptionsChanged to be invoked.
-     */
-    public static class OnSubscriptionsChangedListener {
-        /** @hide */
-        public static final String PERMISSION_ON_SUBSCRIPTIONS_CHANGED =
-                android.Manifest.permission.READ_PHONE_STATE;
-
-        private final Handler mHandler  = new Handler() {
-            @Override
-            public void handleMessage(Message msg) {
-                if (DBG) {
-                    log("handleMessage: invoke the overriden onSubscriptionsChanged()");
-                }
-                OnSubscriptionsChangedListener.this.onSubscriptionsChanged();
-            }
-        };
-
-        /**
-         * Callback invoked when there is any change to any SubscriptionInfo. Typically
-         * this method would invoke {@link #getActiveSubscriptionInfoList}
-         */
-        public void onSubscriptionsChanged() {
-            if (DBG) log("onSubscriptionsChanged: NOT OVERRIDDEN");
-        }
-
-        /**
-         * The callback methods need to be called on the handler thread where
-         * this object was created.  If the binder did that for us it'd be nice.
-         */
-        IOnSubscriptionsChangedListener callback = new IOnSubscriptionsChangedListener.Stub() {
-            @Override
-            public void onSubscriptionsChanged() {
-                if (DBG) log("callbad: received, sendEmptyMessage(0) to handler");
-                mHandler.sendEmptyMessage(0);
-            }
-        };
-
-        private void log(String s) {
-            Rlog.d(LOG_TAG, s);
-        }
-    }
-
     /** @hide */
-    public SubscriptionManager(Context context) {
+    public SubscriptionManager() {
         if (DBG) logd("SubscriptionManager created");
-        mContext = context;
     }
 
     /**
-     * Get an instance of the SubscriptionManager from the Context.
-     * This invokes {@link android.content.Context#getSystemService
-     * Context.getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE)}.
+     * Register for changes to events defined by SubscriptionListener.LISTEN_Xxx. Some of
+     * the events will fire as registration completes, this could be before or after
+     * this method returns.
      *
-     * @param context to use.
-     * @return SubscriptionManager instance
+     * @param listener an instance of SubscriptionListner with overridden methods the
+     *                 overridden method should match the bits defined in events.
+     * @param events is one or more of the SubscriptionListener.LISTEN_Xxx bits
      */
-    public static SubscriptionManager from(Context context) {
-        return (SubscriptionManager) context.getSystemService(
-                Context.TELEPHONY_SUBSCRIPTION_SERVICE);
-    }
-
-    /**
-     * Register for changes to the list of active {@link SubscriptionInfo} records or to the
-     * individual records themselves. When a change occurs the onSubscriptionsChanged method of
-     * the listener will be invoked immediately if there has been a notification.
-     *
-     * @param listener an instance of {@link OnSubscriptionsChangedListener} with
-     *                 onSubscriptionsChanged overridden.
-     */
-    public void registerOnSubscriptionsChangedListener(OnSubscriptionsChangedListener listener) {
-        String pkgForDebug = mContext != null ? mContext.getPackageName() : "<unknown>";
+    public static void register(Context context, SubscriptionListener listener, int events) {
+        String pkgForDebug = context != null ? context.getPackageName() : "<unknown>";
         if (DBG) {
-            logd("register OnSubscriptionsChangedListener pkgForDebug=" + pkgForDebug
-                    + " listener=" + listener);
+            logd("SubscriptionManager listen pkgForDebug=" + pkgForDebug
+                    + " events=0x" + Integer.toHexString(events) + " listener=" + listener);
         }
         try {
-            // We use the TelephonyRegistry as it runs in the system and thus is always
-            // available. Where as SubscriptionController could crash and not be available
+            // We use the TelephonyRegistry as its runs in the system and thus is always
+            // available where as SubscriptionController could crash and not be available
             ITelephonyRegistry tr = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService(
                     "telephony.registry"));
             if (tr != null) {
-                tr.registerOnSubscriptionsChangedListener(pkgForDebug, listener.callback);
+                tr.registerSubscriptionListener(pkgForDebug, listener.callback, events);
             }
         } catch (RemoteException ex) {
             // Should not happen
@@ -357,16 +270,15 @@
     }
 
     /**
-     * Unregister the {@link OnSubscriptionsChangedListener}. This is not strictly necessary
-     * as the listener will automatically be unregistered if an attempt to invoke the listener
-     * fails.
+     * Unregister the listener.
      *
-     * @param listener that is to be unregistered.
+     * @param context
+     * @param listener
      */
-    public void unregisterOnSubscriptionsChangedListener(OnSubscriptionsChangedListener listener) {
-        String pkgForDebug = mContext != null ? mContext.getPackageName() : "<unknown>";
+    public static void unregister(Context context, SubscriptionListener listener) {
+        String pkgForDebug = context != null ? context.getPackageName() : "<unknown>";
         if (DBG) {
-            logd("unregister OnSubscriptionsChangedListener pkgForDebug=" + pkgForDebug
+            logd("SubscriptionManager unregister pkgForDebug=" + pkgForDebug
                     + " listener=" + listener);
         }
         try {
@@ -375,7 +287,7 @@
             ITelephonyRegistry tr = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService(
                     "telephony.registry"));
             if (tr != null) {
-                tr.unregisterOnSubscriptionsChangedListener(pkgForDebug, listener.callback);
+                tr.unregisterSubscriptionListener(pkgForDebug, listener.callback);
             }
         } catch (RemoteException ex) {
             // Should not happen
@@ -383,14 +295,13 @@
     }
 
     /**
-     * Get the active SubscriptionInfo with the subId key
-     * @param subId The unique SubscriptionInfo key in database
-     * @return SubscriptionInfo, maybe null if its not active.
+     * Get the SubscriptionInfo associated with the subId
+     * @param subId The unique SubscriptionInfo index in database
+     * @return SubscriptionInfo, maybe null
      */
-    public SubscriptionInfo getActiveSubscriptionInfo(int subId) {
-        if (VDBG) logd("[getActiveSubscriptionInfo]+ subId=" + subId);
+    public static SubscriptionInfo getSubscriptionInfoForSubscriber(int subId) {
         if (!isValidSubId(subId)) {
-            logd("[getActiveSubscriptionInfo]- invalid subId");
+            logd("[getSubscriptionInfoForSubscriber]- invalid subId");
             return null;
         }
 
@@ -399,7 +310,7 @@
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
             if (iSub != null) {
-                subInfo = iSub.getActiveSubscriptionInfo(subId);
+                subInfo = iSub.getSubInfoForSubscriber(subId);
             }
         } catch (RemoteException ex) {
             // ignore it
@@ -410,64 +321,73 @@
     }
 
     /**
-     * Get the active SubscriptionInfo associated with the iccId
+     * Get the SubscriptionInfo according to an IccId
      * @param iccId the IccId of SIM card
-     * @return SubscriptionInfo, maybe null if its not active
+     * @return SubscriptionInfo List, maybe empty but not null
      * @hide
      */
-    public SubscriptionInfo getActiveSubscriptionInfoForIccIndex(String iccId) {
-        if (VDBG) logd("[getActiveSubscriptionInfoForIccIndex]+ iccId=" + iccId);
+    public static List<SubscriptionInfo> getSubscriptionInfoUsingIccId(String iccId) {
+        if (VDBG) logd("[getSubscriptionInfoUsingIccId]+ iccId=" + iccId);
         if (iccId == null) {
-            logd("[getActiveSubscriptionInfoForIccIndex]- null iccid");
+            logd("[getSubscriptionInfoUsingIccId]- null iccid");
             return null;
         }
 
-        SubscriptionInfo result = null;
+        List<SubscriptionInfo> result = null;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
             if (iSub != null) {
-                result = iSub.getActiveSubscriptionInfoForIccId(iccId);
+                result = iSub.getSubInfoUsingIccId(iccId);
             }
         } catch (RemoteException ex) {
             // ignore it
         }
 
+
+        if (result == null) {
+            result = new ArrayList<SubscriptionInfo>();
+        }
         return result;
     }
 
     /**
-     * Get the active SubscriptionInfo associated with the slotIdx
-     * @param slotIdx the slot which the subscription is inserted
-     * @return SubscriptionInfo, maybe null if its not active
+     * Get the SubscriptionInfo according to slotId
+     * @param slotId the slot which the SIM is inserted
+     * @return SubscriptionInfo list, maybe empty but not null
      */
-    public SubscriptionInfo getActiveSubscriptionInfoForSimSlotIndex(int slotIdx) {
-        if (VDBG) logd("[getActiveSubscriptionInfoForSimSlotIndex]+ slotIdx=" + slotIdx);
-        if (!isValidSlotId(slotIdx)) {
-            logd("[getActiveSubscriptionInfoForSimSlotIndex]- invalid slotIdx");
+    public static List<SubscriptionInfo> getSubscriptionInfoUsingSlotId(int slotId) {
+        // FIXME: Consider never returning null
+        if (!isValidSlotId(slotId)) {
+            logd("[getSubscriptionInfoUsingSlotId]- invalid slotId");
             return null;
         }
 
-        SubscriptionInfo result = null;
+        List<SubscriptionInfo> result = null;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
             if (iSub != null) {
-                result = iSub.getActiveSubscriptionInfoForSimSlotIndex(slotIdx);
+                result = iSub.getSubInfoUsingSlotId(slotId);
             }
         } catch (RemoteException ex) {
             // ignore it
         }
 
+
+        if (result == null) {
+            result = new ArrayList<SubscriptionInfo>();
+        }
         return result;
     }
 
     /**
-     * @return List of all SubscriptionInfo records in database,
-     * include those that were inserted before, maybe empty but not null.
+     * Get all the SubscriptionInfo(s) in subInfo database
+     * @return List of all SubscriptionInfos in database, include those that were inserted before
+     * maybe empty but not null.
      * @hide
      */
-    public List<SubscriptionInfo> getAllSubscriptionInfoList() {
+    public static List<SubscriptionInfo> getAllSubscriptionInfoList() {
         if (VDBG) logd("[getAllSubscriptionInfoList]+");
 
         List<SubscriptionInfo> result = null;
@@ -488,45 +408,33 @@
     }
 
     /**
-     * Get the SubscriptionInfo(s) of the currently inserted SIM(s). The records will be sorted
-     * by {@link SubscriptionInfo#getSimSlotIndex} then by {@link SubscriptionInfo#getSubscriptionId}.
-     *
-     * @return Sorted list of the currently {@link SubscriptionInfo} records available on the device.
-     * <ul>
-     * <li>
-     * If null is returned the current state is unknown but if a {@link OnSubscriptionsChangedListener}
-     * has been registered {@link OnSubscriptionsChangedListener#onSubscriptionsChanged} will be
-     * invoked in the future.
-     * </li>
-     * <li>
-     * If the list is empty then there are no {@link SubscriptionInfo} records currently available.
-     * </li>
-     * <li>
-     * if the list is non-empty the list is sorted by {@link SubscriptionInfo#getSimSlotIndex}
-     * then by {@link SubscriptionInfo#getSubscriptionId}.
-     * </li>
-     * </ul>
+     * Get the SubscriptionInfo(s) of the currently inserted SIM(s)
+     * @return Array list of currently inserted SubscriptionInfo(s) maybe empty but not null
      */
-    public List<SubscriptionInfo> getActiveSubscriptionInfoList() {
+    public static List<SubscriptionInfo> getActiveSubscriptionInfoList() {
         List<SubscriptionInfo> result = null;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
             if (iSub != null) {
-                result = iSub.getActiveSubscriptionInfoList();
+                result = iSub.getActiveSubInfoList();
             }
         } catch (RemoteException ex) {
             // ignore it
         }
+
+        if (result == null) {
+            result = new ArrayList<SubscriptionInfo>();
+        }
         return result;
     }
 
     /**
-     * @return the count of all subscriptions in the database, this includes
-     * all subscriptions that have been seen.
+     * Get the SUB count of all SUB(s) in subinfo database
+     * @return all SIM count in database, include what was inserted before
      * @hide
      */
-    public int getAllSubscriptionInfoCount() {
+    public static int getAllSubscriptionInfoCount() {
         if (VDBG) logd("[getAllSubscriptionInfoCount]+");
 
         int result = 0;
@@ -544,10 +452,11 @@
     }
 
     /**
-     * @return the number of active subscriptions
+     * Get the count of active SUB(s)
+     * @return active SIM count
      * @hide
      */
-    public int getActiveSubscriptionInfoCount() {
+    public static int getActiveSubscriptionInfoCount() {
         int result = 0;
 
         try {
@@ -563,32 +472,13 @@
     }
 
     /**
-     * @return the maximum number of subscriptions this device will support at any one time.
-     * @hide
-     */
-    public int getActiveSubscriptionInfoCountMax() {
-        int result = 0;
-
-        try {
-            ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
-            if (iSub != null) {
-                result = iSub.getActiveSubInfoCountMax();
-            }
-        } catch (RemoteException ex) {
-            // ignore it
-        }
-
-        return result;
-    }
-
-    /**
      * Add a new SubscriptionInfo to subinfo database if needed
      * @param iccId the IccId of the SIM card
      * @param slotId the slot which the SIM is inserted
      * @return the URL of the newly created row or the updated row
      * @hide
      */
-    public Uri addSubscriptionInfoRecord(String iccId, int slotId) {
+    public static Uri addSubscriptionInfoRecord(String iccId, int slotId) {
         if (VDBG) logd("[addSubscriptionInfoRecord]+ iccId:" + iccId + " slotId:" + slotId);
         if (iccId == null) {
             logd("[addSubscriptionInfoRecord]- null iccId");
@@ -619,7 +509,7 @@
      * @return the number of records updated
      * @hide
      */
-    public int setIconTint(int tint, int subId) {
+    public static int setIconTint(int tint, int subId) {
         if (VDBG) logd("[setIconTint]+ tint:" + tint + " subId:" + subId);
         if (!isValidSubId(subId)) {
             logd("[setIconTint]- fail");
@@ -648,7 +538,7 @@
      * @return the number of records updated
      * @hide
      */
-    public int setDisplayName(String displayName, int subId) {
+    public static int setDisplayName(String displayName, int subId) {
         return setDisplayName(displayName, subId, NAME_SOURCE_UNDEFINDED);
     }
 
@@ -661,7 +551,7 @@
      * @return the number of records updated or -1 if invalid subId
      * @hide
      */
-    public int setDisplayName(String displayName, int subId, long nameSource) {
+    public static int setDisplayName(String displayName, int subId, long nameSource) {
         if (VDBG) {
             logd("[setDisplayName]+  displayName:" + displayName + " subId:" + subId
                     + " nameSource:" + nameSource);
@@ -693,7 +583,7 @@
      * @return the number of records updated
      * @hide
      */
-    public int setDisplayNumber(String number, int subId) {
+    public static int setDisplayNumber(String number, int subId) {
         if (number == null || !isValidSubId(subId)) {
             logd("[setDisplayNumber]- fail");
             return -1;
@@ -721,7 +611,7 @@
      * @return the number of records updated
      * @hide
      */
-    public int setDataRoaming(int roaming, int subId) {
+    public static int setDataRoaming(int roaming, int subId) {
         if (VDBG) logd("[setDataRoaming]+ roaming:" + roaming + " subId:" + subId);
         if (roaming < 0 || !isValidSubId(subId)) {
             logd("[setDataRoaming]- fail");
@@ -753,7 +643,7 @@
             logd("[getSlotId]- fail");
         }
 
-        int result = INVALID_SIM_SLOT_INDEX;
+        int result = INVALID_SLOT_ID;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -793,10 +683,10 @@
     public static int getPhoneId(int subId) {
         if (!isValidSubId(subId)) {
             logd("[getPhoneId]- fail");
-            return INVALID_PHONE_INDEX;
+            return INVALID_PHONE_ID;
         }
 
-        int result = INVALID_PHONE_INDEX;
+        int result = INVALID_PHONE_ID;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -813,7 +703,7 @@
     }
 
     private static void logd(String msg) {
-        Rlog.d(LOG_TAG, msg);
+        Rlog.d(LOG_TAG, "[SubManager] " + msg);
     }
 
     /**
@@ -823,7 +713,7 @@
      * @hide
      */
     public static int getDefaultSubId() {
-        int subId = INVALID_SUBSCRIPTION_ID;
+        int subId = INVALID_SUB_ID;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -840,7 +730,7 @@
 
     /** @hide */
     public static int getDefaultVoiceSubId() {
-        int subId = INVALID_SUBSCRIPTION_ID;
+        int subId = INVALID_SUB_ID;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -856,7 +746,7 @@
     }
 
     /** @hide */
-    public void setDefaultVoiceSubId(int subId) {
+    public static void setDefaultVoiceSubId(int subId) {
         if (VDBG) logd("setDefaultVoiceSubId sub id = " + subId);
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -869,8 +759,8 @@
     }
 
     /** @hide */
-    public SubscriptionInfo getDefaultVoiceSubscriptionInfo() {
-        return getActiveSubscriptionInfo(getDefaultVoiceSubId());
+    public static SubscriptionInfo getDefaultVoiceSubscriptionInfo() {
+        return getSubscriptionInfoForSubscriber(getDefaultVoiceSubId());
     }
 
     /** @hide */
@@ -879,13 +769,11 @@
     }
 
     /**
-     * @return subId of the DefaultSms subscription or
-     * the value INVALID_SUBSCRIPTION_ID if an error.
-     *
+     * @return subId of the DefaultSms subscription or the value INVALID_SUB_ID if an error.
      * @hide
      */
     public static int getDefaultSmsSubId() {
-        int subId = INVALID_SUBSCRIPTION_ID;
+        int subId = INVALID_SUB_ID;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -901,7 +789,7 @@
     }
 
     /** @hide */
-    public void setDefaultSmsSubId(int subId) {
+    public static void setDefaultSmsSubId(int subId) {
         if (VDBG) logd("setDefaultSmsSubId sub id = " + subId);
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -914,18 +802,18 @@
     }
 
     /** @hide */
-    public SubscriptionInfo getDefaultSmsSubscriptionInfo() {
-        return getActiveSubscriptionInfo(getDefaultSmsSubId());
+    public static SubscriptionInfo getDefaultSmsSubscriptionInfo() {
+        return getSubscriptionInfoForSubscriber(getDefaultSmsSubId());
     }
 
     /** @hide */
-    public int getDefaultSmsPhoneId() {
+    public static int getDefaultSmsPhoneId() {
         return getPhoneId(getDefaultSmsSubId());
     }
 
     /** @hide */
     public static int getDefaultDataSubId() {
-        int subId = INVALID_SUBSCRIPTION_ID;
+        int subId = INVALID_SUB_ID;
 
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -941,7 +829,7 @@
     }
 
     /** @hide */
-    public void setDefaultDataSubId(int subId) {
+    public static void setDefaultDataSubId(int subId) {
         if (VDBG) logd("setDataSubscription sub id = " + subId);
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -954,17 +842,17 @@
     }
 
     /** @hide */
-    public SubscriptionInfo getDefaultDataSubscriptionInfo() {
-        return getActiveSubscriptionInfo(getDefaultDataSubId());
+    public static SubscriptionInfo getDefaultDataSubscriptionInfo() {
+        return getSubscriptionInfoForSubscriber(getDefaultDataSubId());
     }
 
     /** @hide */
-    public int getDefaultDataPhoneId() {
+    public static int getDefaultDataPhoneId() {
         return getPhoneId(getDefaultDataSubId());
     }
 
     /** @hide */
-    public void clearSubscriptionInfo() {
+    public static void clearSubscriptionInfo() {
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
             if (iSub != null) {
@@ -979,14 +867,14 @@
 
     //FIXME this is vulnerable to race conditions
     /** @hide */
-    public boolean allDefaultsSelected() {
-        if (getDefaultDataSubId() == INVALID_SUBSCRIPTION_ID) {
+    public static boolean allDefaultsSelected() {
+        if (getDefaultDataSubId() == INVALID_SUB_ID) {
             return false;
         }
-        if (getDefaultSmsSubId() == INVALID_SUBSCRIPTION_ID) {
+        if (getDefaultSmsSubId() == INVALID_SUB_ID) {
             return false;
         }
-        if (getDefaultVoiceSubId() == INVALID_SUBSCRIPTION_ID) {
+        if (getDefaultVoiceSubId() == INVALID_SUB_ID) {
             return false;
         }
         return true;
@@ -994,10 +882,10 @@
 
     /**
      * If a default is set to subscription which is not active, this will reset that default back to
-     * INVALID_SUBSCRIPTION_ID.
+     * INVALID_SUB_ID.
      * @hide
      */
-    public void clearDefaultsForInactiveSubIds() {
+    public static void clearDefaultsForInactiveSubIds() {
         if (VDBG) logd("clearDefaultsForInactiveSubIds");
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
@@ -1014,26 +902,34 @@
      * @hide
      */
     public static boolean isValidSubId(int subId) {
-        return subId > INVALID_SUBSCRIPTION_ID ;
+        return subId > INVALID_SUB_ID ;
     }
 
     /**
      * @return true if subId is an usable subId value else false. A
-     * usable subId means its neither a INVALID_SUBSCRIPTION_ID nor a DEFAUL_SUB_ID.
+     * usable subId means its neither a INVALID_SUB_ID nor a DEFAUL_SUB_ID.
      * @hide
      */
     public static boolean isUsableSubIdValue(int subId) {
-        return subId >= MIN_SUBSCRIPTION_ID_VALUE && subId <= MAX_SUBSCRIPTION_ID_VALUE;
+        return subId >= MIN_SUB_ID_VALUE && subId <= MAX_SUB_ID_VALUE;
     }
 
     /** @hide */
     public static boolean isValidSlotId(int slotId) {
-        return slotId >= 0 && slotId < TelephonyManager.getDefault().getSimCount();
+        // We are testing INVALID_SLOT_ID and slotId >= 0 independently because we should
+        // not assume that INVALID_SLOT_ID will always be a negative value.  Any negative
+        // value is invalid.
+        return slotId != INVALID_SLOT_ID && slotId >= 0 &&
+                slotId < TelephonyManager.getDefault().getSimCount();
     }
 
     /** @hide */
     public static boolean isValidPhoneId(int phoneId) {
-        return phoneId >= 0 && phoneId < TelephonyManager.getDefault().getPhoneCount();
+        // We are testing INVALID_PHONE_ID and phoneId >= 0 independently because we should
+        // not assume that INVALID_PHONE_ID will always be a negative value.  Any negative
+        // value is invalid.
+        return phoneId != INVALID_PHONE_ID && phoneId >= 0 &&
+                phoneId < TelephonyManager.getDefault().getPhoneCount();
     }
 
     /** @hide */
@@ -1061,7 +957,7 @@
      *         is never null but the length maybe 0.
      * @hide
      */
-    public int[] getActiveSubscriptionIdList() {
+    public static int[] getActiveSubIdList() {
         int[] subId = null;
 
         try {
@@ -1078,6 +974,7 @@
         }
 
         return subId;
+
     }
 }
 
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 87dcc61..dcc8ae1 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -79,7 +79,6 @@
     }
 
     private final Context mContext;
-    private SubscriptionManager mSubscriptionManager;
 
     private static String multiSimConfig =
             SystemProperties.get(TelephonyProperties.PROPERTY_MULTI_SIM_CONFIG);
@@ -105,7 +104,6 @@
         } else {
             mContext = context;
         }
-        mSubscriptionManager = SubscriptionManager.from(mContext);
 
         if (sRegistry == null) {
             sRegistry = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService(
@@ -159,9 +157,6 @@
     public int getPhoneCount() {
         int phoneCount = 1;
         switch (getMultiSimConfiguration()) {
-            case UNKNOWN:
-                phoneCount = 1;
-                break;
             case DSDS:
             case DSDA:
                 phoneCount = PhoneConstants.MAX_PHONE_COUNT_DUAL_SIM;
@@ -1532,7 +1527,7 @@
      * @see #getSimState
      */
     public String getSimOperator() {
-        int subId = mSubscriptionManager.getDefaultDataSubId();
+        int subId = SubscriptionManager.getDefaultDataSubId();
         if (!SubscriptionManager.isUsableSubIdValue(subId)) {
             subId = SubscriptionManager.getDefaultSmsSubId();
             if (!SubscriptionManager.isUsableSubIdValue(subId)) {
@@ -1994,7 +1989,7 @@
      * <p>Requires that the calling app has carrier privileges.
      * @see #hasCarrierPrivileges
      *
-     * @param subId The subscription id.
+     * @param subId The subscriber id.
      * @param alphaTag The alpha tag to display.
      * @param number The voicemail number.
      */
diff --git a/telephony/java/com/android/internal/telephony/IOnSubscriptionsChangedListener.aidl b/telephony/java/com/android/internal/telephony/IOnSubscriptionsChangedListener.aidl
deleted file mode 100644
index 493b1ff..0000000
--- a/telephony/java/com/android/internal/telephony/IOnSubscriptionsChangedListener.aidl
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.internal.telephony;
-
-oneway interface IOnSubscriptionsChangedListener {
-    void onSubscriptionsChanged();
-}
-
diff --git a/telephony/java/com/android/internal/telephony/ISub.aidl b/telephony/java/com/android/internal/telephony/ISub.aidl
index ca82083..d82c492 100755
--- a/telephony/java/com/android/internal/telephony/ISub.aidl
+++ b/telephony/java/com/android/internal/telephony/ISub.aidl
@@ -22,71 +22,51 @@
 
 interface ISub {
     /**
-     * @return a list of all subscriptions in the database, this includes
-     * all subscriptions that have been seen.
+     * Get the SubscriptionInfo according to an index
+     * @param subId The unique SubscriptionInfo index in database
+     * @return SubscriptionInfo, maybe null
+     */
+    SubscriptionInfo getSubInfoForSubscriber(int subId);
+
+    /**
+     * Get the SubscriptionInfo according to an IccId
+     * @param iccId the IccId of SIM card
+     * @return SubscriptionInfo, maybe null
+     */
+    List<SubscriptionInfo> getSubInfoUsingIccId(String iccId);
+
+    /**
+     * Get the SubscriptionInfo according to slotId
+     * @param slotId the slot which the SIM is inserted
+     * @return SubscriptionInfo, maybe null
+     */
+    List<SubscriptionInfo> getSubInfoUsingSlotId(int slotId);
+
+    /**
+     * Get all the SubscriptionInfo(s) in subinfo database
+     * @return Array list of all SubInfoRecords in database, include thsoe that were inserted before
      */
     List<SubscriptionInfo> getAllSubInfoList();
 
     /**
-     * @return the count of all subscriptions in the database, this includes
-     * all subscriptions that have been seen.
+     * Get the SubscriptionInfo(s) of the currently inserted SIM(s)
+     * @return Array list of currently inserted SubscriptionInfo(s)
+     */
+    List<SubscriptionInfo> getActiveSubInfoList();
+
+    /**
+     * Get the SUB count of all SUB(s) in subinfo database
+     * @return all SIM count in database, include what was inserted before
      */
     int getAllSubInfoCount();
 
     /**
-     * Get the active SubscriptionInfo with the subId key
-     * @param subId The unique SubscriptionInfo key in database
-     * @return SubscriptionInfo, maybe null if its not active
-     */
-    SubscriptionInfo getActiveSubscriptionInfo(int subId);
-
-    /**
-     * Get the active SubscriptionInfo associated with the iccId
-     * @param iccId the IccId of SIM card
-     * @return SubscriptionInfo, maybe null if its not active
-     */
-    SubscriptionInfo getActiveSubscriptionInfoForIccId(String iccId);
-
-    /**
-     * Get the active SubscriptionInfo associated with the slotIdx
-     * @param slotIdx the slot which the subscription is inserted
-     * @return SubscriptionInfo, maybe null if its not active
-     */
-    SubscriptionInfo getActiveSubscriptionInfoForSimSlotIndex(int slotIdx);
-
-    /**
-     * Get the SubscriptionInfo(s) of the active subscriptions. The records will be sorted
-     * by {@link SubscriptionInfo#getSimSlotIndex} then by {@link SubscriptionInfo#getSubscriptionId}.
-     *
-     * @return Sorted list of the currently {@link SubscriptionInfo} records available on the device.
-     * <ul>
-     * <li>
-     * If null is returned the current state is unknown but if a {@link OnSubscriptionsChangedListener}
-     * has been registered {@link OnSubscriptionsChangedListener#onSubscriptionsChanged} will be
-     * invoked in the future.
-     * </li>
-     * <li>
-     * If the list is empty then there are no {@link SubscriptionInfo} records currently available.
-     * </li>
-     * <li>
-     * if the list is non-empty the list is sorted by {@link SubscriptionInfo#getSimSlotIndex}
-     * then by {@link SubscriptionInfo#getSubscriptionId}.
-     * </li>
-     * </ul>
-     */
-    List<SubscriptionInfo> getActiveSubscriptionInfoList();
-
-    /**
-     * @return the number of active subscriptions
+     * Get the count of active SUB(s)
+     * @return active SIM count
      */
     int getActiveSubInfoCount();
 
     /**
-     * @return the maximum number of subscriptions this device will support at any one time.
-     */
-    int getActiveSubInfoCountMax();
-
-    /**
      * Add a new SubscriptionInfo to subinfo database if needed
      * @param iccId the IccId of the SIM card
      * @param slotId the slot which the SIM is inserted
diff --git a/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl b/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
index ba62f5f..1a1f8fe 100644
--- a/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephonyRegistry.aidl
@@ -27,13 +27,11 @@
 import android.telephony.CellInfo;
 import android.telephony.VoLteServiceState;
 import com.android.internal.telephony.IPhoneStateListener;
-import com.android.internal.telephony.IOnSubscriptionsChangedListener;
+import com.android.internal.telephony.ISubscriptionListener;
 
 interface ITelephonyRegistry {
-    void registerOnSubscriptionsChangedListener(String pkg,
-            IOnSubscriptionsChangedListener callback);
-    void unregisterOnSubscriptionsChangedListener(String pkg,
-            IOnSubscriptionsChangedListener callback);
+    void registerSubscriptionListener(String pkg, ISubscriptionListener callback, int events);
+    void unregisterSubscriptionListener(String pkg, ISubscriptionListener callback);
     void listen(String pkg, IPhoneStateListener callback, int events, boolean notifyNow);
     void listenForSubscriber(in int subId, String pkg, IPhoneStateListener callback, int events,
             boolean notifyNow);