protected override void OnAppearing()
{
base.OnAppearing();
ChatEntry.keepOpen = true;
lblUsername.Text = _name;
imgProfile.Source = _profile;
getConversation(_userid).Wait();
MessagingCenter.Subscribe <object, NotificatonModel.RemoteNoti>(this, "NotificationRecieved", (object arg1, NotificatonModel.RemoteNoti arg2) =>
{
var cm = new ChatModel
{
Incoming = true,
Outgoing = false,
msg_desc = arg2.msg,
msg_datetime = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss")
};
if (_list == null)
{
_list = new List <ChatModel>();
}
_list.Add(cm);
items = new ChatItemList(_list);
flowlistview.FlowItemsSource = items.Items;
var lastItem = flowlistview.FlowItemsSource.OfType <object>().Last();
Device.BeginInvokeOnMainThread(() => flowlistview.ScrollTo(lastItem, ScrollToPosition.End, false));
});
}
private void processMessasge(string obj)
{
try
{
var data = JObject.Parse(obj);
var type = data["type"].ToString();
var sender_id = data["sender_id"].ToString();
var msg = data["msg"].ToString();
var reciever_id = data["reciever_id"].ToString();
if (!string.IsNullOrEmpty(sender_id))
{
if (Convert.ToInt32(sender_id) != StaticDataModel.UserId)
{
if (type == "message")
{
_list.Add(new ChatModel
{
Incoming = true,
Outgoing = false,
msg_desc = msg
});
items = new ChatItemList(_list);
flowlistview.FlowItemsSource = items.Items;
}
}
}
}
catch (Exception ex)
{
}
}
private async Task getConversation(int u_id)
{
string ret = string.Empty;
StaticMethods.ShowLoader();
Task.Factory.StartNew(
// tasks allow you to use the lambda syntax to pass wor
() =>
{
_list = WebService.GetChatConversation(u_id);
}).ContinueWith(
t =>
{
Device.BeginInvokeOnMainThread(() =>
{
if (_list != null)
{
for (int i = 0; i < _list.Count; i++)
{
if (!string.IsNullOrEmpty(_list[i].profile_pic))
{
_list[i].profile_pic = Constants.PRO_PIC_IMG_URL + _list[i].profile_pic;
}
else
{
_list[i].profile_pic = "defaultprofile.png";
}
if (_list[i].users_id == StaticDataModel.UserId.ToString())
{
_list[i].Outgoing = true;
_list[i].Incoming = false;
}
else
{
_list[i].Incoming = true;
_list[i].Outgoing = false;
}
//_list[i].profile_pic = Constants.PRO_PIC_IMG_URL + _list[i].profile_pic;
}
var list = _list.OrderBy(x => x.msg_id).ToList();
items = new ChatItemList(list);
flowlistview.FlowItemsSource = items.Items;
var lastItem = flowlistview.ItemsSource.OfType <object>().Last();
//System.Threading.Tasks.Task.Factory.StartNew(() =>
//{
flowlistview.ScrollTo(lastItem, ScrollToPosition.End, false);
//});
}
});
}, TaskScheduler.FromCurrentSynchronizationContext()
);
}
void Send()
{
try
{
JObject jsonObject = new JObject();
jsonObject.Add("msg", txtComment.Text);
jsonObject.Add("type", "message");
jsonObject.Add("sender_id", StaticDataModel.UserId);
jsonObject.Add("reciever_id", _userid);
var json = jsonObject.ToString();
connection.Send(json);
cm = new ChatModel
{
Incoming = false,
Outgoing = true,
msg_desc = txtComment.Text
,
msg_datetime = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss")
};
if (_list == null)
{
_list = new List <ChatModel>();
}
_list.Add(cm);
items = new ChatItemList(_list);
flowlistview.FlowItemsSource = items.Items;
var lastItem = flowlistview.FlowItemsSource.OfType <object>().Last();
Device.BeginInvokeOnMainThread(() => flowlistview.ScrollTo(lastItem, ScrollToPosition.End, false));
sendMessage().Wait();
}
catch (Exception ex)
{
}
}
