Convert byte array To Hex String via bit and 0xFF - Android java.lang

Android examples for java.lang:Byte Array

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Description

Convert byte array To Hex String via bit and 0xFF

Demo Code

import android.annotation.SuppressLint;
import java.io.UnsupportedEncodingException;
import java.util.regex.Pattern;

public class Main{


        public static String bytesToHexString(byte[] bytes) {
            StringBuilder sb = new StringBuilder("");

            if (bytes == null || bytes.length <= 0) {
                return null;
            }/*from  w  ww.  j  a  va 2s  .  c  om*/

            for (int i = 0; i < bytes.length; i++) {
                int v = bytes[i] & 0xFF;
                String hv = Integer.toHexString(v);
                if (hv.length() < 2) {
                    sb.append(0);
                }
                sb.append(hv);
            }

            return sb.toString();
        }

}

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