Hi Ravi thanks for reply. actually it will becomes more complicated. Because server is sending data 2-3 times within a second And it will not be good idea to store data such a frequently.
Can somebody please provide me a guideline How I can check whether some key (here Name ) is already exist in listview? On May 25, 11:46 am, Ravi <[email protected]> wrote: > You could store the new data form the socket into a DB or content > provider and on every update just call notifiyDatasetchanged on the > list adapter. > > On May 25, 9:13 am, "pramod.deore" <[email protected]> wrote: > > > > > 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.- Hide quoted text - > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
