Android Utililty Methods Byte Array Bit Get

List of utility methods to do Byte Array Bit Get

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Description

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

Method

bytegetBitData(byte[] src, int index)
new byte[]{13, 0} => 00001101, 00000000 => 8 = 1, 10 = 1, 11 = 1 
return getBitData(src, index, true);
bytegetBitData(byte[] src, int index, boolean isLH)
get Bit Data 
return getBitData(src, index, index + 1, isLH)[0];
byte[]getBitData(byte[] src, int start, int end)
new byte[]{13, 0} => 00001101, 00000000 => 8-11 = new byte[]{1, 0, 1, 1} 
return getBitData(src, start, end, true);
byte[]getBitData(byte[] src, int start, int end, boolean isLH)
get Bit Data 
byte[] result = null;
StringBuffer sb = new StringBuffer();
for (byte b : src) {
    sb.append(getBinaryString(b));
String bitString = (isLH ? sb : sb.reverse()).substring(start, end);
result = new byte[bitString.length()];
for (int i = 0; i < bitString.length(); i++) {
...
longgetByteNetOrder(byte[] theBytes, int idx, int size)
Limited to max of 8 bytes long 
long sum = 0;
for (int i = 0; i < size; i++) {
    sum = sum * 256 + (0xff & theBytes[i + idx]);
return sum;
intgetByteNetOrderTo_unit16(byte[] theBytes, int idx)
pull out unsigned 16 bits integer out of the array. 
int sum = 0;
for (int i = 0; i < 2; i++) {
    sum = (sum << 8) + (0xff & theBytes[i + idx]);
return sum;
longgetByteNetOrderTo_unit32(byte[] theBytes, int idx)
pull out unsigned 32 bits int out of the array. 
long sum = 0;
for (int i = 0; i < 4; i++) {
    sum = sum * 256 + (0xff & theBytes[i + idx]);
return sum;
byte[]bitwiseAndByteArrays(byte[] arr0, byte[] arr1)
bitwise And Byte Arrays 
byte[] returnArray = new byte[arr0.length];
for (int i = 0; i < arr0.length; i++) {
    returnArray[i] = (byte) (arr0[i] & arr1[i]);
return returnArray;
byte[]bitwiseOrByteArrays(byte[] arr0, byte[] arr1)
bitwise Or Byte Arrays 
byte[] returnArray = new byte[arr0.length];
for (int i = 0; i < arr0.length; i++) {
    returnArray[i] = (byte) (arr0[i] | arr1[i]);
return returnArray;
byte[]inverseByteArrayBits(byte[] arr0)
inverse Byte Array Bits 
byte[] returnArray = new byte[arr0.length];
for (int i = 0; i < arr0.length; i++) {
    returnArray[i] = (byte) ~arr0[i];
return returnArray;