i cudn exactly understand ur prob ,U jus add items to array list tht u
r using fir adapter properly..its getcount 'll take care of items
display.. also wen ever u remove an item from list it;ll atomatically
updated.. use arraylist...length in get count..reload the list.. i
suppose am convincing u..
On Mar 22, 10:19 am, kavitha <kavith...@gmail.com> wrote:
> 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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