Android : SMS Text Message couning

for counting sms length i saw this algorithm(Ask) :

i convert it to java in this form :

     String text =EtMsMessage.getText().toString();
                Boolean ucs2=false;

                for (char character : text.toCharArray())
                {
                    if (character >= 0x600 && character <= 0x6ff)
                        ucs2=true;
                    if (character >= 0x750 && character <= 0x77f)
                        ucs2=true;
                    if (character >= 0xfb50 && character <= 0xfc3f)
                        ucs2=true;
                    if (character >= 0xfe70 && character <= 0xfefc)
                        ucs2=true;
                }

    int unitLength=ucs2 ? 70 : 160;


     if (text.length > unitLength) 
     {
        if (ucs2)
            unitLength = unitLength - 4;
        else
            unitLength = unitLength - 8;
     }
   intcount = (int)Math.max(Math.ceil(text.length / unitLength), 1);

  TvMS.setText("("+Integer.toString(count)+")"+Integer.toString(unitLength * count - text.length));

but it not return correct value:

i tried too ways to counting SMS lenght , but not work right any way.

what i should to do for counting sms in ucs2 form?