DisplayMetrics metrics = getResources().getDisplayMetrics();
        Configuration configuration = getResources().getConfiguration();
        configuration.setLocale(locale);
        getResources().updateConfiguration(configuration, metrics);
        
        //重新啟動 Activity
        Intent intent = new Intent(this, MainActivity.class);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
        startActivity(intent);