Android Utililty Methods Hash Code Calculate

List of utility methods to do Hash Code Calculate

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Description

The list of methods to do Hash Code Calculate are organized into topic(s).

Method

inthashCode(int x, int y, int z, int w)
hash Code 
return hashCode(new int[] { x, y, z, w });
inthashCode(int x, int y, int z, int w, int t)
hash Code 
return hashCode(new int[] { x, y, z, w, t });
inthashCode(int[] array)
Hash every element uniformly using the Modified Bernstein hash. 
if (array == null) {
    return 0;
int h = 1;
for (int x : array) {
    h = ((h << 5) - h) ^ x; 
return h;
...
StringhashLocationMessage(String phone, double latitude, double longitude, long time)
generate a hash of a location message 
String mToHash = phone + Double.toString(latitude)
        + Double.toString(longitude) + Long.toString(time);
return createHash(mToHash);
StringhashPointOfInterestMessage(String phone, double latitude, double longitude, String title, String description)
generate a hash of a point of interest message 
String mToHash = phone + Double.toString(latitude)
        + Double.toString(longitude) + title + description;
return createHash(mToHash);
StringcomputeWeakHash(String string)
compute Weak Hash 
return String.format(Locale.CHINA, "%08x%08x", string.hashCode(),
        string.length());
StringcomputeWeakHash(String string)
compute Weak Hash 
return String.format(Locale.US, "%08x%08x", string.hashCode(),
        string.length());
StringgetHash(String text)
get Hash 
try {
    return SHA1(text);
} catch (NoSuchAlgorithmException e) {
    Log.e(LOGTAG, "NoSuchAlgorithmException: " + e.toString(), e);
    return null;
intgetHashCode(final Object... pObjects)
get Hash Code 
final int prime = 31;
int result = 1;
for (int i = 0; i < pObjects.length; i++) {
    final Object object = pObjects[i];
    result = prime * result
            + ((object == null) ? 0 : object.hashCode());
return result;
...
intgetHashCode(final byte... pBytes)
get Hash Code 
final int prime = 31;
int result = 1;
for (int i = 0; i < pBytes.length; i++) {
    result = prime * result + pBytes[i];
return result;