Even I have same problem

Cant clear all list view items,,when i add new items,,it will add to old
ones

Can anybody help please

On Sat, Mar 20, 2010 at 7:32 PM, Tatyana Ulyanova <levkat...@gmail.com>wrote:

> Hello, Kumar!
>
> I have a problem when I try to add items to my custom adapter.
> Everytime when i add new item to adapter
>
>  for(int i=0;i<m_orders.size();i++)
>                m_adapter.add(m_orders.get(i));
>
> the size of m_orders (ArrayList joined to ListAdapter) also increase
> and application hangs.
>
> For example, i add to m_oders 20 items i need to display, than i must
> add this items to adapter. Everytime when I add new item to adapter,
> size of m_orders becomes 21, 22, 23, ... I don't understand why.
>
> If i don't add items to adapter, i have empty listview.
>
> I hope i explain my problem :)
>
> Much appreciate for your time, Kumar :)))
>
> On 19 Бер, 20:06, Kumar Bibek <coomar....@gmail.com> wrote:
> > What errors or problem do you get?
> >
> > Thanks and Regards,
> > Kumar Bibek
> >
> > On Mar 19, 8:07 pm, Tatyana Ulyanova <levkat...@gmail.com> wrote:
> >
> > > Hello, friends!
> >
> > > I have a problem with adding new items to ListView.
> >
> > > I use custom adapter MyListAdapter. I do that way:
> >
> > > public class MyView extends ListActivity{
> >
> > >     private ArrayList<Order> m_orders = null;
> > >     privateMyListAdapter m_adapter;
> > >     private Runnable viewOrders;
> >
> > >     @Override
> > >     public void onCreate(Bundle savedInstanceState) {
> > >         super.onCreate(savedInstanceState);
> > >         setContentView(R.layout.main);
> > >         m_orders = new ArrayList<Order>();
> > >         this.m_adapter = new OrderAdapter(this, R.layout.row,
> > > m_orders);
> > >         setListAdapter(this.m_adapter);
> >
> > >         viewOrders = new Runnable(){
> > >             @Override
> > >             public void run() {
> > >                 getOrders();
> > >             }
> > >         };
> > >         Thread thread =  new Thread(null, viewOrders,
> > > "MagentoBackground");
> > >         thread.start();
> > >         m_ProgressDialog = ProgressDialog.show(MyView.this,
> > >               "Please wait...", "Retrieving data ...", true);
> > >     }
> > >     private Runnable returnRes = new Runnable() {
> >
> > >         @Override
> > >         public void run() {
> > >             if(m_orders != null && m_orders.size() > 0){
> > >                 m_adapter.notifyDataSetChanged();
> > >                 for(int i=0;i<m_orders.size();i++)
> > >                 m_adapter.add(m_orders.get(i));
> > >             }
> > >             m_adapter.notifyDataSetChanged();
> > >         }
> > >     };
> >
> > >     private void getOrders(){
> > >           try{
> > >             m_orders.addAll(/*some order collection*/)
> > >             runOnUiThread(returnRes);
> > >         }
> >
> > >     private class OrderAdapter extends ArrayAdapter<Order> {
> > >         //code about how to get view
> >
> > > }
> > > }
> >
> > > But when I add items to my adapter:
> > >  for(int i=0;i<m_orders.size();i++)
> > >                 m_adapter.add(m_orders.get(i));
> > > the application hangs because of m_orders increase there size,
> > > everytime where new item adds to adapter.
> >
> > > Friends, do you have any ideas how to implement dynamically adding
> > > items to custom ListAdapter? Do you see any errors in my code?
> >
> > > Thank you very much :)))
>
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