Android6以下バージョンでのLocale取得対応

ABVJE_UI_Android/src/jp/agentec/abook/abv/ui/home/helper/ActivityHandlingHelper.java

@@ -1552,7 +1552,12 @@ public class ActivityHandlingHelper extends ABookHelper implements RemoteObserve
     }
 
     public String getLocaleFileName() {
-        Locale primaryLocale = mContext.getResources().getConfiguration().getLocales().get(0);
+        Locale primaryLocale;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            primaryLocale = mContext.getResources().getConfiguration().getLocales().get(0);
+        } else {
+            primaryLocale = mContext.getResources().getConfiguration().locale;
+        }
         String locale = primaryLocale.getDisplayName();
         String localeLanguage = "en";
         if (primaryLocale.equals(Locale.JAPAN) || primaryLocale.equals(Locale.JAPANESE)) {