Android Utililty Methods Base64 Byte Array Encode

List of utility methods to do Base64 Byte Array Encode

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Description

The list of methods to do Base64 Byte Array Encode are organized into topic(s).

Method

Stringbase64(byte[] target)
base 
String temp = android.util.Base64.encodeToString(target, 0);
return temp.replace('+', '-').replace('/', '_');
StringtoBase64(byte[] data)
Converts a byte array into a base 64 encoded string. 
if (data == null) {
    return null;
int len = data.length;
if (len == 0) {
    return "";
int olen = 4 * ((len + 2) / 3);
...
char[]encodeBlock(byte raw[], int offset)
encode Block 
int block = 0;
int slack = raw.length - offset - 1;
int end = slack < 2 ? slack : 2;
for (int i = 0; i <= end; i++) {
    byte b = raw[offset + i];
    int neuter = b >= 0 ? ((int) (b)) : b + 256;
    block += neuter << 8 * (2 - i);
char base64[] = new char[4];
for (int i = 0; i < 4; i++) {
    int sixbit = block >>> 6 * (3 - i) & 0x3f;
    base64[i] = getChar(sixbit);
if (slack < 1) {
    base64[2] = '=';
if (slack < 2) {
    base64[3] = '=';
return base64;