Android Utililty Methods Byte Array Copy

List of utility methods to do Byte Array Copy

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Description

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

Method

byte[]copy(byte[] from)
Create a copy of the given array - or return null if the argument is null. 
if (from != null) {
    byte[] to = new byte[from.length];
    System.arraycopy(from, 0, to, 0, to.length);
    return to;
return null;
byte[]copy(byte[] rSource)
copy 
byte[] aResult = new byte[rSource.length];
System.arraycopy(rSource, 0, aResult, 0, aResult.length);
return aResult;
byte[]copy(byte[] source, byte[] target)
Copy the contents of the source array to the target array. 
int len = source.length;
if (len > target.length) {
    target = new byte[len];
System.arraycopy(source, 0, target, 0, len);
return target;
byte[]copyByteArray(byte[] source)
copy Byte Array 
byte[] buf = new byte[source.length];
System.arraycopy(source, 0, buf, 0, buf.length);
return buf;
byte[]getCopyByteArray(byte[] src, int start, int length)
get Copy Byte Array 
byte[] dest = new byte[length];
System.arraycopy(src, start, dest, 0, length);
return dest;
byte[][]getCopyByteArrayArray(byte[] src, int start, int length, int subArrayLength)
new byte[] { 8, 4, 2, 1 }, 0, 4, 2 => new byte[][]{{8,4}, {2,1}} 
byte[][] dest = new byte[length / subArrayLength][subArrayLength];
byte[] temp = new byte[length];
System.arraycopy(src, start, temp, 0, length);
for (int i = 0; i < dest.length; i++) {
    System.arraycopy(temp, i * subArrayLength, dest[i], 0,
            subArrayLength);
return dest;
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