Fix CountryDetector NPE

Fix CountryDetector NPE by calling CallerInfo.getCurrentCountryIso() which
checks for potential nulls.

Bug:11291034
Change-Id: I0a4412c432551c64ec30652d69636442653ee337

2 files changed, 5 insertions, 4 deletions

diff --git a/telephony/java/com/android/internal/telephony/CallerInfo.java b/telephony/java/com/android/internal/telephony/CallerInfo.java
index e3c664b..f6143ed 100644
--- a/telephony/java/com/android/internal/telephony/CallerInfo.java
+++ b/telephony/java/com/android/internal/telephony/CallerInfo.java
@@ -581,6 +581,10 @@ public class CallerInfo {
         return countryIso;
     }
 
+    protected static String getCurrentCountryIso(Context context) {
+        return getCurrentCountryIso(context, Locale.getDefault());
+    }
+
     /**
      * @return a string debug representation of this instance.
      */
diff --git a/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java b/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java
index dd5f644..c63be91 100644
--- a/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java
+++ b/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java
@@ -20,7 +20,6 @@ import android.content.AsyncQueryHandler;
 import android.content.Context;
 import android.database.Cursor;
 import android.database.SQLException;
-import android.location.CountryDetector;
 import android.net.Uri;
 import android.os.Handler;
 import android.os.Looper;
@@ -271,11 +270,9 @@ public class CallerInfoAsyncQuery {
 
                     // Use the number entered by the user for display.
                     if (!TextUtils.isEmpty(cw.number)) {
-                        CountryDetector detector = (CountryDetector) mQueryContext.getSystemService(
-                                Context.COUNTRY_DETECTOR);
                         mCallerInfo.phoneNumber = PhoneNumberUtils.formatNumber(cw.number,
                                 mCallerInfo.normalizedNumber,
-                                detector.detectCountry().getCountryIso());
+                                CallerInfo.getCurrentCountryIso(mQueryContext));
                     }
                 }