Flush the clock format when the locale changes.

Bug: 7569120
Change-Id: If85ff36c7fac8b07f10b7077afd23255a145db1c

Author: dsandler

packages/SystemUI/src/com/android/systemui/statusbar/policy/Clock.java

@@ -40,6 +40,7 @@
 
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
+import java.util.Locale;
 import java.util.TimeZone;
 
 import com.android.internal.R;
@@ -52,6 +53,7 @@ public class Clock extends TextView {
     private Calendar mCalendar;
     private String mClockFormatString;
     private SimpleDateFormat mClockFormat;
+    private Locale mLocale;
 
     private static final int AM_PM_STYLE_NORMAL  = 0;
     private static final int AM_PM_STYLE_SMALL   = 1;
@@ -117,6 +119,12 @@ public void onReceive(Context context, Intent intent) {
                 if (mClockFormat != null) {
                     mClockFormat.setTimeZone(mCalendar.getTimeZone());
                 }
+            } else if (action.equals(Intent.ACTION_CONFIGURATION_CHANGED)) {
+                final Locale newLocale = getResources().getConfiguration().locale;
+                if (! newLocale.equals(mLocale)) {
+                    mLocale = newLocale;
+                    mClockFormatString = ""; // force refresh
+                }
             }
             updateClock();
         }