private void saveSettings(KindlePreference pref, SettingsViewHelper viewHelper) { pref.set(KeyStr.EMAIL_FROM, viewHelper.getEmailFrom()) .set(KeyStr.EMAIL_SEND_TO, viewHelper.getEmailTo()) .set(KeyInt.EMAIL_SEND_DOMAIN_INDEX, viewHelper.getEmailDomainIndex()) .set(KeyBool.SEND_IMMEDIATE, viewHelper.isImmediateSend()) .set(KeyBool.IMAGE_ENABLED_IN_WEB_PAGE, viewHelper.isNoImage()); }