Android Utililty Methods String Shorten

List of utility methods to do String Shorten

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Description

The list of methods to do String Shorten are organized into topic(s).

Method

StringaddEllipsis(String src, String ellipsis, int maxLength)
add Ellipsis 
if (maxLength < 0) {
    throw new IllegalArgumentException(
            "maxLength could not less than zero");
int srcLength = src.length();
if (srcLength <= maxLength) {
    return src;
int ellipsisLength = ellipsis.length();
int dis = srcLength + ellipsisLength - maxLength;
if (dis < srcLength) {
    return src.substring(0, srcLength - dis) + ellipsis;
return ellipsis.substring(dis - srcLength);
StringtoLength(String str, int length)
to Length 
if (str == null) {
    return null;
if (length <= 0) {
    return "";
try {
    if (str.getBytes("GBK").length <= length) {
...
Stringtruncate(String text, int length)
Truncates the string to a particular length while appending ... 
if (text == null || text.length() <= length) {
    return text;
return text.substring(0, length - 3) + "...";
StringtruncateAt(String string, int length)
truncate At 
return string.length() > length ? string.substring(0, length)
        : string;
Stringcurtail(String str, int size, String tail)
curtail 
if (str == null) {
    return null;
int strLen = str.length();
int tailLen = (tail != null) ? tail.length() : 0;
int maxLen = size - tailLen;
int curLen = 0;
int index = 0;
...
StringtruncateString(String resource, String startTag, String endTag)
truncate String 
int start = resource.indexOf(startTag);
int end = resource.indexOf(endTag, start + startTag.length());
if (start != -1 && end != -1) {
    resource = resource.substring(start + startTag.length(), end);
    return resource;
return null;
StringtruncateAtMaxLength(String source, int maxLength, boolean addEllipsis)
If this given string is of length maxLength or less, it will be returned as-is. 
if (source.length() <= maxLength) {
    return source;
if (addEllipsis && maxLength > 3) {
    return unicodePreservingSubstring(source, 0, maxLength - 3)
            + "...";
return unicodePreservingSubstring(source, 0, maxLength);
...
StringshortenString(String str, int length)
shorten String 
if (str.length() > length) {
    String newStr = str.substring(0, length);
    return newStr.concat("...");
return str;
StringellipsizeString(String string, int limit)
ellipsize String 
String retValue = "";
if (string != null) {
    if (string.length() > limit) {
        retValue = string.substring(0, limit) + "...";
    } else {
        retValue = string;
return retValue;
Stringellipsize(final String text, final int length)
Ellipsizes a text 
String result;
if (TextUtils.isEmpty(text)) {
    result = "";
} else {
    result = text;
    if (result.length() > length) {
        result = result.substring(0, length - 6) + " [...]";
return result;