Android Utililty Methods Byte Array to Int Convert

List of utility methods to do Byte Array to Int Convert

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Description

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

Method

intbytes2uint(byte[] bytes, int from, int to)
bytesuint 
int result = 0;
int len = to - from;
for (int i = from; i < to; i++) {
    int shiftValue = (to - i - 1) * 8;
    result += (bytes[i] << shiftValue)
            & (0x0000FFFF >>> ((len - 1) * 8 - shiftValue));
return result;
...
intbytesBE2int(byte[] b, int off)
bytes B Eint 
return ((b[off] & 0xff) << 24) | ((b[off + 1] & 0xff) << 16)
        | ((b[off + 2] & 0xff) << 8) | (b[off + 3] & 0xff);
int[]bytesBE2ints(byte[] b)
bytes B Eints 
if (b == null)
    return null;
if ((b.length & 0x3) != 0)
    throw new IllegalArgumentException("byte[" + b.length + "]");
int[] val = new int[b.length >> 2];
for (int i = 0; i < val.length; i++)
    val[i] = bytesBE2int(b, i << 2);
return val;
...
intgetInt(byte b)
get Int 
return (0xff & b);
intgetInt(byte[] bb, int index)
get Int 
return (int) ((((bb[index + 0] & 0xff) << 24)
        | ((bb[index + 1] & 0xff) << 16)
        | ((bb[index + 2] & 0xff) << 8) | ((bb[index + 3] & 0xff) << 0)));
intgetInt(byte[] bb, int index)
get Int 
return (int) ((((bb[index + 0] & 0xff) << 24)
        | ((bb[index + 1] & 0xff) << 16)
        | ((bb[index + 2] & 0xff) << 8) | ((bb[index + 3] & 0xff) << 0)));
intgetInt(byte[] bb, int index)
get Int 
return (int) ((((bb[index + 3] & 0xff) << 24)
        | ((bb[index + 2] & 0xff) << 16)
        | ((bb[index + 1] & 0xff) << 8) | ((bb[index + 0] & 0xff) << 0)));
intgetInt(byte[] buf, boolean bigEndian)
Convert byte sequence into java short from first 4 bytes 
return getInt(buf, 0, bigEndian);
intgetInt(byte[] buf, int pos, boolean bigEndian)
Convert byte sequence into java int. 
if (bigEndian) {
    return ((buf[pos] & 0xff) << 24)
            | ((buf[pos + 1] & 0xff) << 16)
            | ((buf[pos + 2] & 0xff) << 8) | (buf[pos + 3] & 0xff);
} else {
    return ((buf[pos + 3] & 0xff) << 24)
            | ((buf[pos + 2] & 0xff) << 16)
            | ((buf[pos + 1] & 0xff) << 8) | (buf[pos] & 0xff);
...
intgetInt(byte[] buffer, int pos, int count)
Get integer? 
int ret = 0;
for (int i = 0; i < 4 && i < count && (i + pos) < buffer.length; i++) {
    ret *= 256;
    ret += toUnsignedInteger(buffer[i + pos]);
return ret;