Search for existing user using xmpp/UserSearchManager in Android

Question

I have gone through this1, this2 and this3 but still cannot find the solution of the problem.

I could know where my problem is what I am doing in this code is:

Answer 1

Try this. It solves my problem.

UserSearchManager search = new UserSearchManager(mXMPPConnection);  

Form searchForm = search.getSearchForm("search."+mXMPPConnection.getServiceName());

Form answerForm = searchForm.createAnswerForm();  
answerForm.setAnswer("Username", true);  

answerForm.setAnswer("search", user);  

org.jivesoftware.smackx.ReportedData data = search.getSearchResults(answerForm,"search."+mXMPPConnection.getServiceName());  

if(data.getRows() != null)
{
    Iterator it = data.getRows();
    while(it.hasNext())
    {
        Row row = it.next();
        Iterator iterator = row.getValues("jid");
        if(iterator.hasNext())
        {
            String value = iterator.next().toString();
            Log.i("Iteartor values......"," "+value);
        }
        //Log.i("Iteartor values......"," "+value);
    }
    Toast.makeText(_service,"Username Exists",Toast.LENGTH_SHORT).show();
    );
}

If Server has not any entery with that specified name then Itearator it has no value and code will not go inside while(it.hasNext).