Merge "new carrier id APIs" am: 3d23b90874
am: 7537309843

Change-Id: I8b64968ddb59304543eee89eb1e2dcb4d66517e3
diff --git a/api/current.txt b/api/current.txt
index 8b583fe..56d30dd 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -40772,6 +40772,8 @@
     method public int getSimState();
     method public int getSimState(int);
     method public java.lang.String getSubscriberId();
+    method public int getSubscriptionCarrierId();
+    method public java.lang.String getSubscriptionCarrierName();
     method public java.lang.String getVisualVoicemailPackageName();
     method public java.lang.String getVoiceMailAlphaTag();
     method public java.lang.String getVoiceMailNumber();
@@ -40816,6 +40818,7 @@
     field public static final java.lang.String ACTION_PHONE_STATE_CHANGED = "android.intent.action.PHONE_STATE";
     field public static final java.lang.String ACTION_RESPOND_VIA_MESSAGE = "android.intent.action.RESPOND_VIA_MESSAGE";
     field public static final java.lang.String ACTION_SHOW_VOICEMAIL_NOTIFICATION = "android.telephony.action.SHOW_VOICEMAIL_NOTIFICATION";
+    field public static final java.lang.String ACTION_SUBSCRIPTION_CARRIER_IDENTITY_CHANGED = "android.telephony.action.SUBSCRIPTION_CARRIER_IDENTITY_CHANGED";
     field public static final int APPTYPE_CSIM = 4; // 0x4
     field public static final int APPTYPE_ISIM = 5; // 0x5
     field public static final int APPTYPE_RUIM = 3; // 0x3
@@ -40836,6 +40839,8 @@
     field public static final int DATA_DISCONNECTED = 0; // 0x0
     field public static final int DATA_SUSPENDED = 3; // 0x3
     field public static final java.lang.String EXTRA_CALL_VOICEMAIL_INTENT = "android.telephony.extra.CALL_VOICEMAIL_INTENT";
+    field public static final java.lang.String EXTRA_CARRIER_ID = "android.telephony.extra.CARRIER_ID";
+    field public static final java.lang.String EXTRA_CARRIER_NAME = "android.telephony.extra.CARRIER_NAME";
     field public static final java.lang.String EXTRA_HIDE_PUBLIC_SETTINGS = "android.telephony.extra.HIDE_PUBLIC_SETTINGS";
     field public static final java.lang.String EXTRA_INCOMING_NUMBER = "incoming_number";
     field public static final java.lang.String EXTRA_IS_REFRESH = "android.telephony.extra.IS_REFRESH";
@@ -40846,6 +40851,7 @@
     field public static final java.lang.String EXTRA_STATE_IDLE;
     field public static final java.lang.String EXTRA_STATE_OFFHOOK;
     field public static final java.lang.String EXTRA_STATE_RINGING;
+    field public static final java.lang.String EXTRA_SUBSCRIPTION_ID = "android.telephony.extra.SUBSCRIPTION_ID";
     field public static final java.lang.String EXTRA_VOICEMAIL_NUMBER = "android.telephony.extra.VOICEMAIL_NUMBER";
     field public static final java.lang.String METADATA_HIDE_VOICEMAIL_SETTINGS_MENU = "android.telephony.HIDE_VOICEMAIL_SETTINGS_MENU";
     field public static final int NETWORK_TYPE_1xRTT = 7; // 0x7
@@ -40881,6 +40887,7 @@
     field public static final int SIM_STATE_PUK_REQUIRED = 3; // 0x3
     field public static final int SIM_STATE_READY = 5; // 0x5
     field public static final int SIM_STATE_UNKNOWN = 0; // 0x0
+    field public static final int UNKNOWN_CARRIER_ID = -1; // 0xffffffff
     field public static final int USSD_ERROR_SERVICE_UNAVAIL = -2; // 0xfffffffe
     field public static final int USSD_RETURN_FAILURE = -1; // 0xffffffff
     field public static final java.lang.String VVM_TYPE_CVVM = "vvm_type_cvvm";
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 4328bc08a..332562e 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -968,6 +968,64 @@
      */
     public static final int USSD_ERROR_SERVICE_UNAVAIL = -2;
 
+    /**
+     * An unknown carrier id. It could either be subscription unavailable or the subscription
+     * carrier cannot be recognized. Unrecognized carriers here means
+     * {@link #getSimOperator() MCC+MNC} cannot be identified.
+     */
+    public static final int UNKNOWN_CARRIER_ID = -1;
+
+    /**
+     * Broadcast Action: The subscription carrier identity has changed.
+     * This intent could be sent on the following events:
+     * <ul>
+     *   <li>Subscription absent. Carrier identity could change from a valid id to
+     *   {@link TelephonyManager#UNKNOWN_CARRIER_ID}.</li>
+     *   <li>Subscription loaded. Carrier identity could change from
+     *   {@link TelephonyManager#UNKNOWN_CARRIER_ID} to a valid id.</li>
+     *   <li>The subscription carrier is recognized after a remote update.</li>
+     * </ul>
+     * The intent will have the following extra values:
+     * <ul>
+     *   <li>{@link #EXTRA_CARRIER_ID} The up-to-date carrier id of the current subscription id.
+     *   </li>
+     *   <li>{@link #EXTRA_CARRIER_NAME} The up-to-date carrier name of the current subscription.
+     *   </li>
+     *   <li>{@link #EXTRA_SUBSCRIPTION_ID} The subscription id associated with the changed carrier
+     *   identity.
+     *   </li>
+     * </ul>
+     * <p class="note">This is a protected intent that can only be sent by the system.
+     */
+    @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+    public static final String ACTION_SUBSCRIPTION_CARRIER_IDENTITY_CHANGED =
+            "android.telephony.action.SUBSCRIPTION_CARRIER_IDENTITY_CHANGED";
+
+    /**
+     * An int extra used with {@link #ACTION_SUBSCRIPTION_CARRIER_IDENTITY_CHANGED} which indicates
+     * the updated carrier id {@link TelephonyManager#getSubscriptionCarrierId()} of the current
+     * subscription.
+     * <p>Will be {@link TelephonyManager#UNKNOWN_CARRIER_ID} if the subscription is unavailable or
+     * the carrier cannot be identified.
+     */
+    public static final String EXTRA_CARRIER_ID = "android.telephony.extra.CARRIER_ID";
+
+    /**
+     * An string extra used with {@link #ACTION_SUBSCRIPTION_CARRIER_IDENTITY_CHANGED} which
+     * indicates the updated carrier name of the current subscription.
+     * {@see TelephonyManager#getSubscriptionCarrierName()}
+     * <p>Carrier name is a user-facing name of the carrier id {@link #EXTRA_CARRIER_ID},
+     * usually the brand name of the subsidiary (e.g. T-Mobile).
+     */
+    public static final String EXTRA_CARRIER_NAME = "android.telephony.extra.CARRIER_NAME";
+
+    /**
+     * An int extra used with {@link #ACTION_SUBSCRIPTION_CARRIER_IDENTITY_CHANGED} to indicate the
+     * subscription which has changed.
+     */
+    public static final String EXTRA_SUBSCRIPTION_ID = "android.telephony.extra.SUBSCRIPTION_ID";
+
+
     //
     //
     // Device Info
@@ -6559,6 +6617,55 @@
     }
 
     /**
+     * Returns carrier id of the current subscription.
+     * <p>To recognize a carrier (including MVNO) as a first class identity, assign each carrier
+     * with a canonical integer a.k.a carrier id.
+     *
+     * @return Carrier id of the current subscription. Return {@link #UNKNOWN_CARRIER_ID} if the
+     * subscription is unavailable or the carrier cannot be identified.
+     * @throws IllegalStateException if telephony service is unavailable.
+     */
+    public int getSubscriptionCarrierId() {
+        try {
+            ITelephony service = getITelephony();
+            return service.getSubscriptionCarrierId(getSubId());
+        } catch (RemoteException ex) {
+            // This could happen if binder process crashes.
+            ex.rethrowAsRuntimeException();
+        } catch (NullPointerException ex) {
+            // This could happen before phone restarts due to crashing.
+            throw new IllegalStateException("Telephony service unavailable");
+        }
+        return UNKNOWN_CARRIER_ID;
+    }
+
+    /**
+     * Returns carrier name of the current subscription.
+     * <p>Carrier name is a user-facing name of carrier id {@link #getSubscriptionCarrierId()},
+     * usually the brand name of the subsidiary (e.g. T-Mobile). Each carrier could configure
+     * multiple {@link #getSimOperatorName() SPN} but should have a single carrier name.
+     * Carrier name is not a canonical identity, use {@link #getSubscriptionCarrierId()} instead.
+     * <p>The returned carrier name is unlocalized.
+     *
+     * @return Carrier name of the current subscription. Return {@code null} if the subscription is
+     * unavailable or the carrier cannot be identified.
+     * @throws IllegalStateException if telephony service is unavailable.
+     */
+    public String getSubscriptionCarrierName() {
+        try {
+            ITelephony service = getITelephony();
+            return service.getSubscriptionCarrierName(getSubId());
+        } catch (RemoteException ex) {
+            // This could happen if binder process crashes.
+            ex.rethrowAsRuntimeException();
+        } catch (NullPointerException ex) {
+            // This could happen before phone restarts due to crashing.
+            throw new IllegalStateException("Telephony service unavailable");
+        }
+        return null;
+    }
+
+    /**
      * Return the application ID for the app type like {@link APPTYPE_CSIM}.
      *
      * Requires that the calling app has READ_PRIVILEGED_PHONE_STATE permission
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index b0af9a8..416146f 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -1317,6 +1317,34 @@
      */
     List<CarrierIdentifier> getAllowedCarriers(int slotIndex);
 
+   /**
+     * Returns carrier id of the given subscription.
+     * <p>To recognize carrier as a first class identity, assign each carrier with a canonical
+     * integer a.k.a carrier id.
+     *
+     * @param subId The subscription id
+     * @return Carrier id of given subscription id. return {@link #UNKNOWN_CARRIER_ID} if
+     * subscription is unavailable or carrier cannot be identified.
+     * @throws IllegalStateException if telephony service is unavailable.
+     * @hide
+     */
+    int getSubscriptionCarrierId(int subId);
+
+    /**
+     * Returns carrier name of the given subscription.
+     * <p>Carrier name is a user-facing name of carrier id {@link #getSubscriptionCarrierId(int)},
+     * usually the brand name of the subsidiary (e.g. T-Mobile). Each carrier could configure
+     * multiple {@link #getSimOperatorName() SPN} but should have a single carrier name.
+     * Carrier name is not canonical identity, use {@link #getSubscriptionCarrierId(int)} instead.
+     * <p>Returned carrier name is unlocalized.
+     *
+     * @return Carrier name of given subscription id. return {@code null} if subscription is
+     * unavailable or carrier cannot be identified.
+     * @throws IllegalStateException if telephony service is unavailable.
+     * @hide
+     */
+    String getSubscriptionCarrierName(int subId);
+
     /**
      * Action set from carrier signalling broadcast receivers to enable/disable metered apns
      * Permissions android.Manifest.permission.MODIFY_PHONE_STATE is required