Android获取String的MD5值

Android获取String的MD5值
http://blog.csdn.net/cnnumen/article/details/8286536
/**
* 将字符串转成MD5值
*
* @param string
* @return
*/
public static String stringToMD5(String string) {
byte[] hash;

try {
hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8"));
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
return null;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
return null;
}

StringBuilder hex = new StringBuilder(hash.length * 2);
for (byte b : hash) {
if ((b & 0xFF) < 0x10)
hex.append("0");
hex.append(Integer.toHexString(b & 0xFF));
}

return hex.toString();
}