Android Utililty Methods Byte Array to Hex Convert

List of utility methods to do Byte Array to Hex Convert

Description

The list of methods to do Byte Array to Hex Convert are organized into topic(s).

Method

StringtoHex(byte[] bytes, String separator)
Encodes an array of bytes as hex symbols.
return toHex(bytes, 0, bytes.length, separator);
StringtoHex(byte[] bytes, int offset, int length)
Encodes an array of bytes as hex symbols.
return toHex(bytes, offset, length, null);
StringtoHex(byte[] bytes, int offset, int length, String separator)
Encodes an array of bytes as hex symbols.
StringBuffer result = new StringBuffer();
for (int i = 0; i < length; i++) {
    int unsignedByte = bytes[i + offset] & 0xff;
    if (unsignedByte < 16) {
        result.append("0");
    result.append(Integer.toHexString(unsignedByte));
    if (separator != null && i + 1 < length) {
...
StringtoHex(byte[] dataBytes)
Encode a byte array to a hexadecimal string.
if (dataBytes == null || dataBytes.length == 0) {
    return "";
byte[] dataPlus1Bytes = new byte[dataBytes.length + 1];
System.arraycopy(dataBytes, 0, dataPlus1Bytes, 1, dataBytes.length);
dataPlus1Bytes[0] = 1;
BigInteger dataPlus1BigInteger = new BigInteger(dataPlus1Bytes);
return dataPlus1BigInteger.toString(16).substring(1);
...
StringtoHexString(byte[] ba)
to Hex String
StringBuffer sbuf = new StringBuffer();
for (byte b : ba) {
    String s = Integer.toHexString((int) (b & 0xff));
    if (s.length() == 1) {
        sbuf.append('0');
    sbuf.append(s);
return sbuf.toString();
StringtoHexString(byte[] bytes)
to Hex String
StringBuilder sb = new StringBuilder();
for (byte b : bytes) {
    int unsignedB = b & 0xff;
    if (unsignedB < 0x10)
        sb.append("0");
    sb.append(Integer.toHexString(unsignedB));
return sb.toString();
...
StringtoHexString(byte[] bytes)
to Hex String
StringBuilder sb = new StringBuilder();
for (int i = 0; i < bytes.length; i++) {
    sb.append(toHexString(bytes[i]));
return sb.toString();
StringtoHexString(byte[] bytes)
to Hex String
StringBuilder builder = new StringBuilder();
for (byte b : bytes) {
    builder.append(Integer.toHexString((b >> 4) & 0xf));
    builder.append(Integer.toHexString(b & 0xf));
return builder.toString();
StringtoHexString(byte[] bytes, int offset, int length)
to Hex String
return toHexString(copyOfRange(bytes, offset, length));
StringtoHexString(byte[] keyData)
to hex string
if (keyData == null) {
    return null;
int expectedStringLen = keyData.length * 2;
StringBuilder sb = new StringBuilder(expectedStringLen);
for (int i = 0; i < keyData.length; i++) {
    String hexStr = Integer.toString(keyData[i] & 0x00FF, 16);
    if (hexStr.length() == 1) {
...