private void retrieveHomeLocation() {
        homeLng_ = SettingsDBUtility.retrieveHome(dbHelper_, SettingsContract.SettingsEntry.COLUMN_SETTINGS_HOME_LONGITUDE, id_);
        homeLat_ = SettingsDBUtility.retrieveHome(dbHelper_, SettingsContract.SettingsEntry.COLUMN_SETTINGS_HOME_LATITUDE, id_);
    }