Android Utililty Methods String Case Convert

List of utility methods to do String Case Convert

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Description

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

Method

StringCoverFirstWordUp(String string)
Cover First Word Up 
String str = null;
if (string != null && !"".equals(string)) {
    str = string.substring(0, 1).toUpperCase()
            + string.substring(1);
return str;
StringtoLowerCase(String src)
Safely convert the string to lowercase. 
if (src == null) {
    return null;
} else {
    return src.toLowerCase();
StringswapCase(String str)
swap Case 
if (str == null) {
    return null;
char[] charArray = str.toCharArray();
for (int i = 0; i < charArray.length; i++) {
    if (Character.isLowerCase(charArray[i])) {
        charArray[i] = Character.toUpperCase(charArray[i]);
    } else {
...
StringtoLowerCase(String str)
to Lower Case 
if (str == null) {
    return null;
return str.toLowerCase();
StringtoLowerCase(String str, int beginIndex, int endIndex)
to Lower Case 
if (str == null) {
    return null;
StringBuilder sb = new StringBuilder();
if (beginIndex < 0) {
    beginIndex = 0;
if (endIndex > str.length()) {
...
StringtoUpperCase(String str)
to Upper Case 
if (str == null) {
    return null;
return str.toUpperCase();
StringtoUpperCase(String str, int beginIndex, int endIndex)
to Upper Case 
if (str == null) {
    return null;
StringBuilder sb = new StringBuilder();
if (beginIndex < 0) {
    beginIndex = 0;
if (endIndex > str.length()) {
...
booleanendsWithIgnoreCase(String str, String suffix)
Examine a string to see if it ends with a given suffix (case insensitive). 
int len = suffix.length();
return str.regionMatches(true, str.length() - len, suffix, 0, len);
MaplowercaseKeys(Map map)
Given a map, creates and returns a new map in which all keys are the lower-cased version of each key. 
Map<String, V> result = new HashMap<String, V>(map.size());
for (Map.Entry<String, V> entry : map.entrySet()) {
    String key = entry.getKey();
    if (result.containsKey(key.toLowerCase())) {
        throw new IllegalArgumentException(
                "Duplicate string key in map when lower casing");
    result.put(key.toLowerCase(), entry.getValue());
...
booleanstartsWithIgnoreCase(String str, String prefix)
Examine a string to see if it starts with a given prefix (case insensitive). 
return str.regionMatches(true, 0, prefix, 0, prefix.length());