Method formatNumber

app/src/main/java/eu/faircode/email/Helper.java:2535–2539

(Integer number, long max, NumberFormat nf)

    }

    static String formatNumber(Integer number, long max, NumberFormat nf) {
        if (number == null)
            return null;
        return nf.format(Math.min(number, max)) + (number > max ? "+" : "");
    }

    static void linkPro(final TextView tv) {
        if (ActivityBilling.isPro(tv.getContext()) && !BuildConfig.DEBUG)