From 61aa8cd9491ec43b15bf5538b0ed192b9edccc6e Mon Sep 17 00:00:00 2001
From: chen xu <fionaxu@google.com>
Date: Mon, 21 Jan 2019 23:28:28 -0800
Subject: new SystemAPI to getSimLocale

1. expose to system API
2. refactor to support passing subId instead of read from defaultSIM and
previously inserted SIM.

Bug: 122620985
Test: cts
Merged-In: I8f78ba00abf0ef74bd2b2147755596edaee156cf
Change-Id: I8f78ba00abf0ef74bd2b2147755596edaee156cf
---
 api/system-current.txt                             |  1 +
 .../java/android/telephony/TelephonyManager.java   | 34 ++++++++++++++++++++--
 .../com/android/internal/telephony/ITelephony.aidl |  4 +--
 3 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/api/system-current.txt b/api/system-current.txt
index dae0049cfbb0..813e2454cd5d 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -6166,6 +6166,7 @@ package android.telephony {
     method @RequiresPermission(anyOf={android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE, android.Manifest.permission.READ_PHONE_STATE}) public int getRadioPowerState();
     method public int getSimApplicationState();
     method public int getSimCardState();
+    method @Nullable @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public String getSimLocale();
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public int getSupportedRadioAccessFamily();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public java.util.List<android.telephony.TelephonyHistogram> getTelephonyHistograms();
     method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public android.telephony.UiccCardInfo[] getUiccCardsInfo();
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 51242051eb57..6fe089aedc50 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -93,6 +93,7 @@ import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.Executor;
 import java.util.regex.Matcher;
@@ -8435,18 +8436,47 @@ public class TelephonyManager {
     }
 
 
-    /** @hide */
+    /**
+     * Returns a well-formed IETF BCP 47 language tag representing the locale from the SIM, e.g,
+     * en-US. Returns {@code null} if no locale could be derived from subscriptions.
+     *
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE READ_PRIVILEGED_PHONE_STATE}
+     *
+     * @see Locale#toLanguageTag()
+     * @see Locale#forLanguageTag(String)
+     *
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
+    @Nullable public String getSimLocale() {
+        try {
+            final ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                return telephony.getSimLocaleForSubscriber(getSubId());
+            }
+        } catch (RemoteException ex) {
+        }
+        return null;
+    }
+
+    /**
+     * TODO delete after SuW migrates to new API.
+     * @hide
+     */
     public String getLocaleFromDefaultSim() {
         try {
             final ITelephony telephony = getITelephony();
             if (telephony != null) {
-                return telephony.getLocaleFromDefaultSim();
+                return telephony.getSimLocaleForSubscriber(getSubId());
             }
         } catch (RemoteException ex) {
         }
         return null;
     }
 
+
     /**
      * Requests the modem activity info. The recipient will place the result
      * in `result`.
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index db76e9ed27bb..85d29901cf4e 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -1177,12 +1177,12 @@ interface ITelephony {
     void factoryReset(int subId);
 
     /**
-     * An estimate of the users's current locale based on the default SIM.
+     * Returns users's current locale based on the SIM.
      *
      * The returned string will be a well formed BCP-47 language tag, or {@code null}
      * if no locale could be derived.
      */
-    String getLocaleFromDefaultSim();
+    String getSimLocaleForSubscriber(int subId);
 
     /**
      * Requests the modem activity info asynchronously.
-- 
cgit v1.2.3-59-g8ed1b