[android-developers] Updating row dynamically in ListView

Hi all, I am developing an application in that I am receiving
continous data through socket. Now I want to display this data in list
view. Suppose I got data of 3 records and I am showing this data in
listview as

EmpName EmpId MobNo
Pramod 12 789
Tom 11 456
Harry 45 123

Now suppose record for Pramod changes now it must be visible as

EmpName EmpId MobNo
Pramod 22 723
Tom 11 456
Harry 45 123

Here Name will never change only other filed will change. Now I want
to check whether EmpName is exist or not if Name is already exist then
update other filed of that record and if Name is not exist then create
new row.

I had tried something like this as:

TreeSet ts = new TreeSet<String>();
.....
......

if(ts.add(tokens[5])) //I am checking this for record is exist or
not? If record is not exist then create row.But I am not able to write
else part where if record existed but I want to update that row.
{
showList();
}

public void showList()
{

mylist = new ArrayList<HashMap<String, String>>();
map = new HashMap<String, String>();
map.put("Name", tokens[2]);
map.put("EmpId", tokens[4]);
map.put("MobNo", tokens[5]);

mylist.add(map);

SimpleAdapter mSchedule = new SimpleAdapter(this, mylist,
R.layout.listcolumns,
new String[] {"Name", "EmpId", "MobNo"}, new int[]
{R.id.Name, R.id.EmpId, R.id.MobNo});
list.setAdapter(mSchedule);
}

But using this it create only one row. Please help me to solve this
issue. Thanks in advance.

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