Method trim

app/src/main/java/com/client/QR/QRCodeEncode.java:227–233

(String s)

    }

    private static String trim(String s) {
        if (s == null) {
            return null;
        }
        String result = s.trim();
        return result.length() == 0 ? null : result;
    }

    private static String escapeMECARD(String input) {
        if (input == null || (input.indexOf(':') < 0 && input.indexOf(';') < 0)) {