Method substring

app/src/main/java/com/fongmi/android/tv/utils/Util.java:155–157

(String text)

    }

    public static String substring(String text) {
        return substring(text, 1);
    }

    public static String substring(String text, int num) {
        if (text != null && text.length() > num) return text.substring(0, text.length() - num);