public override View GetView(int position, View convertView, ViewGroup parent)
{
MessageBean item = MsgList.ElementAt(position);
int type = item.Type;
SendTextViewHolder sendTextViewHolder = null;
ReceiveTextViewHolder receiveTextViewHolder = null;
switch (type)
{
case MessageBean.TYPE_SEND_TEXT:
sendTextViewHolder = new SendTextViewHolder();
var inflater1 = Context.GetSystemService(Context.LayoutInflaterService).JavaCast <LayoutInflater>();
convertView = inflater1.Inflate(Resource.Layout.send_message_item, parent, false);
sendTextViewHolder.SendTextView = (TextView)convertView.FindViewById(Resource.Id.tv_send);
sendTextViewHolder.SendTextView.Text = item.Msg;
convertView.Tag = sendTextViewHolder;
break;
case MessageBean.TYPE_RECEIVE_TEXT:
receiveTextViewHolder = new ReceiveTextViewHolder();
var inflater2 = Context.GetSystemService(Context.LayoutInflaterService).JavaCast <LayoutInflater>();
convertView = inflater2.Inflate(Resource.Layout.receive_message_item, parent, false);
receiveTextViewHolder.ReceiveTextView = (TextView)convertView.FindViewById(Resource.Id.tv_receive);
receiveTextViewHolder.ReceiveTextView.Text = item.Msg;
convertView.Tag = receiveTextViewHolder;
break;
default:
break;
}
return(convertView);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.ChatLayout);
FriendName = (TextView)FindViewById(Resource.Id.textView1);
send = (Button)FindViewById(Resource.Id.btn_send);
input = (EditText)FindViewById(Resource.Id.chat_text);
device = MainActivity.AvaliableDevicesList.ElementAt(Intent.GetIntExtra("DeviceID", 0));
ChatList = (ListView)FindViewById(Resource.Id.listChat);
if (!FriendName.Text.Equals("Chatting with") && !FriendName.Text.Equals(device.Name))
{
MessageBean message = MainActivity.MsgList.ElementAt(MainActivity.MsgList.Count() - 1);
MainActivity.MsgList.Clear();
MainActivity.MsgList.Add(message);
}
FriendName.Text = device.Name;
adapter = new ChatAdapter(this, MainActivity.MsgList);
ChatList.Adapter = adapter;
adapter.NotifyDataSetChanged();
ChatList.SetSelection(ChatList.Bottom);
send.Click += delegate
{
if (device.Status)
{
if (!input.Text.Equals(""))
{
Message = input.Text + ":msg input";
Data data = Data.FromBytes(System.Text.Encoding.UTF8.GetBytes(Message));
Log.Debug(TAG, "myEndpointId " + device.EndPoint);
MainActivity.mTransferEngine.SendData(device.EndPoint, data).AddOnSuccessListener(new TaskListener(this, "Send Message ")).AddOnFailureListener(new TaskListener(this, "Send Message"));
MessageBean item = new MessageBean();
item.MyName = MainActivity.MyEndPoint;
item.FriendName = device.Name;
item.Msg = Message.Split(":")[0];
item.Type = (MessageBean.TYPE_SEND_TEXT);
MainActivity.MsgList.Add(item);
adapter.NotifyDataSetChanged();
input.Text = "";
ChatList.SetSelection(ChatList.Bottom);
}
else
{
Toast.MakeText(this, "Enter a Message", ToastLength.Long).Show();
}
}
else
{
Toast.MakeText(this, "The device is not connected, try again", ToastLength.Long).Show();
MainActivity.InitiateConnection(device);
}
};
}
public void ReceiveMessage(Data data, string Endpoint)
{
if (MsgList.Count == 0 || !ChatActivity.device.EndPoint.Equals(Endpoint))
{
MsgList.Clear();
Android.App.AlertDialog.Builder builder = new Android.App.AlertDialog.Builder(this);
builder.SetTitle("You got a message !");
builder.SetMessage(Endpoint + " is trying to send a message to you. do you want to accept?");
builder.SetNegativeButton("Cancel", (senderAlert, args) =>
{
string msgStr = "Refuse";
Data data = Data.FromBytes(System.Text.Encoding.UTF8.GetBytes(msgStr));
mTransferEngine.SendData(Endpoint, data).AddOnSuccessListener(new TaskListener(this, "Refuse Connection")).AddOnFailureListener(new TaskListener(this, "Refuse Connection"));
return;
});
builder.SetPositiveButton("Yes", (senderAlert, args) =>
{
string str = System.Text.Encoding.UTF8.GetString(data.AsBytes());
Log.Debug(TAG, "OnReceived [Message] success. msgStr-------->>>>" + str);
if (!str.EndsWith(":msg input"))
{
return;
}
str = str.Split(":")[0];
MessageBean item = new MessageBean();
item.MyName = MyEndPoint;
item.FriendName = FindDevice(Endpoint).Name;
item.Msg = str;
item.Type = (MessageBean.TYPE_RECEIVE_TEXT);
MsgList.Add(item);
Intent chat = new Intent();
chat.SetClass(this, typeof(ChatActivity));
chat.SetFlags(ActivityFlags.ClearTop);
chat.PutExtra("DeviceID", AvaliableDevicesList.IndexOf(FindDevice(Endpoint)));
StartActivity(chat);
});
Dialog dialog = builder.Create();
dialog.Show();
}
else
{
string str = System.Text.Encoding.UTF8.GetString(data.AsBytes());
Log.Debug(TAG, "OnReceived [Message] success. msgStr-------->>>>" + str);
if (!str.EndsWith(":msg input"))
{
return;
}
str = str.Split(":")[0];
MessageBean item = new MessageBean();
item.MyName = MyEndPoint;
item.FriendName = FindDevice(Endpoint).Name;
item.Msg = str;
item.Type = (MessageBean.TYPE_RECEIVE_TEXT);
MsgList.Add(item);
Intent chat = new Intent();
chat.SetClass(this, typeof(ChatActivity));
chat.SetFlags(ActivityFlags.ClearTop);
chat.PutExtra("DeviceID", AvaliableDevicesList.IndexOf(FindDevice(Endpoint)));
StartActivity(chat);
}
}
