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QuestionAdd new listitem in Listview dynamically [modified] Pinmemberklaydze18-Oct-12 21:29 
Hi Guys,
I populated my listview in android using ArrayAdapter. Populating my listview is easy BUT I'm having trouble adding new item on it dynamically.
Kindly check my code.
[Activity(Label = "Country List", MainLauncher = true)]
    public class MyListViewActivity : Activity
        List<string> countries = new List<string>();
        ArrayAdapter<string> adapter;
        ListView lvw;
        protected override void OnCreate(Bundle bundle)
            lvw = FindViewById<ListView>(Resource.Id.lvwCountry);
            EditText txtMsg = FindViewById<EditText>(Resource.Id.edit_text_out);
            Button btnSend = FindViewById<Button>(Resource.Id.button_send);
            adapter = new ArrayAdapter<string>(this, Android.Resource.Layout.SimpleListItem1, countries);
            lvw.Adapter = adapter;
            lvw.TextFilterEnabled = true;
            lvw.FastScrollEnabled = true;
            btnSend.Click += delegate(object sender, EventArgs e)
void InitCounties()
        countries.Add("Hong Kong");
        countries.Add("American Samoa");
public void addItems(string newItem)
Actually the newitem will add in the collection but when I break and check the adapter, the property Count does not changed and my listview is still the same.
I know I'm missing somewhere in my code but I don't know where exactly it is.
BTW, I'm using Visual Studio 2010 (Mono for Android) in my code.
if(you type your code here) {
Messagebox.Show("You help me a lot!");
else {
You help me = null;

modified 19-Oct-12 3:39am.

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