android - How to change locale of the Application from SettingsActivity? -

i want change language of application settings.

    public boolean onpreferencechange(preference preference, object value) {                 string stringvalue = value.tostring();                  if (preference instanceof listpreference) {                     // list preferences, correct display value in                     // preference's 'entries' list.                     listpreference listpreference = (listpreference) preference;                     int index = listpreference.findindexofvalue(stringvalue);                      // set summary reflect new value.                     preference.setsummary(index >= 0 ? listpreference.getentries()[index]: null);                      ............. 

here, inside settings activity how can access configurations , locale of application change it's language.

fyi, have translated strings in values.

check code

  public static final string arabic = "ar";     public static final string english = "en";  public static void changeloc(activity context, int flaglang)     {         resources res = context.getresources();         // change locale settings in app.         displaymetrics dm = res.getdisplaymetrics();         android.content.res.configuration conf = res.getconfiguration();          if(flaglang == 0)         {             //english             conf.locale = new locale(english);          }         else         {             //arabic             conf.locale = new locale(arabic);         }         res.updateconfiguration(conf, dm);     }