How to convert special characters to hex? ( in Android )

Question

Convert some special characters into hex value.

For example :

Hex value of "ㅂ" is "e3 85 82"

Hex value of "ㅈ", "ㄷ", and "ㄱ" are "e3 85 88", "e3 84 b7", and "e3 84 b1" respectively.

I tried below method but it works only for ";", "#" etc

Integer.toHexString("ㅂ") , gives "3142" value. But correct hex value should be "e3 85 82".

String to Hex

Dharmendra Pratap Singh · Accepted Answer · 2014-08-05T07:41:12.300

1

Your answer encoding is in UNICODE(hex) and you need to convert it into UTF8(hex)

Convert String to hex.

public static void main(String[] args) throws UnsupportedEncodingException {
    String chr = "ㅂ";
    System.out.print(toHex(chr));
}
//String to hex
public static String toHex(String arg) throws UnsupportedEncodingException {
    //Change encoding according to your need 
    return String.format("%04x", new BigInteger(1, arg.getBytes("UTF8")));
}

Output:- e38582

edited Aug 05 '14 at 07:41

answered Aug 04 '14 at 14:30

Dharmendra Pratap Singh

1,332
1
11
22

String.format("%04x", 'ㅂ') also gives the same result 3142, but the correct hex value is **e3 85 82**. – Sandeep Aug 05 '14 at 06:52
I converted it into Unicode(hex) but you need UTF8(hex). Edited the answer have a look on it. – Dharmendra Pratap Singh Aug 05 '14 at 07:36
**String.format("%x", new BigInteger(1, "ㅂ".getBytes("UTF8"))** It works fine. Thanks – Sandeep Aug 05 '14 at 11:06
How to get back the original String. See this, http://stackoverflow.com/questions/25138514/how-to-convert-hex-value-to-special-char-in-unicode – Sandeep Aug 05 '14 at 12:13

How to convert special characters to hex? ( in Android )

1 Answers1

Linked