public override View GetView(int position, View convertView, ViewGroup parent)
{
ViewHolder viewHolder = null;
Object item = this [position];
if (convertView == null || (convertView.Tag as ViewHolder).GetViewType() != GetItemViewType(position))
{
viewHolder = new ViewHolder();
viewHolder.SetViewType(GetItemViewType(position));
switch (GetItemViewType(position))
{
case TYPE_UNSUPPORTED:
{
convertView = new View(mInflater.Context);
convertView.Tag = viewHolder;
break;
}
case TYPE_MESSAGE:
{
convertView = mInflater.Inflate(Resource.Layout.SendBirdViewMessage, parent, false);
viewHolder.SetView("message", convertView.FindViewById(Resource.Id.txt_message) as TextView);
viewHolder.SetView("img_op_icon", (ImageView)convertView.FindViewById(Resource.Id.img_op_icon));
convertView.Tag = viewHolder;
break;
}
case TYPE_SYSTEM_MESSAGE:
{
convertView = mInflater.Inflate(Resource.Layout.SendBirdViewSystemMessage, parent, false);
viewHolder.SetView("message", convertView.FindViewById(Resource.Id.txt_message) as TextView);
convertView.Tag = viewHolder;
break;
}
case TYPE_BROADCAST_MESSAGE:
{
convertView = mInflater.Inflate(Resource.Layout.SendBirdViewSystemMessage, parent, false);
viewHolder.SetView("message", convertView.FindViewById(Resource.Id.txt_message) as TextView);
convertView.Tag = viewHolder;
break;
}
case TYPE_FILELINK:
{
TextView tv;
convertView = mInflater.Inflate(Resource.Layout.SendBirdViewFileLink, parent, false);
tv = convertView.FindViewById(Resource.Id.txt_sender_name) as TextView;
viewHolder.SetView("txt_sender_name", tv);
viewHolder.SetView("img_op_icon", convertView.FindViewById(Resource.Id.img_op_icon) as ImageView);
viewHolder.SetView("img_file_container", convertView.FindViewById(Resource.Id.img_file_container));
viewHolder.SetView("image_container", convertView.FindViewById(Resource.Id.image_container));
viewHolder.SetView("img_thumbnail", convertView.FindViewById(Resource.Id.img_thumbnail));
viewHolder.SetView("txt_image_name", convertView.FindViewById(Resource.Id.txt_image_name));
viewHolder.SetView("txt_image_size", convertView.FindViewById(Resource.Id.txt_image_size));
viewHolder.SetView("file_container", convertView.FindViewById(Resource.Id.file_container));
viewHolder.SetView("txt_file_name", convertView.FindViewById(Resource.Id.txt_file_name));
viewHolder.SetView("txt_file_size", convertView.FindViewById(Resource.Id.txt_file_size));
convertView.Tag = viewHolder;
break;
}
}
}
viewHolder = convertView.Tag as ViewHolder;
switch (GetItemViewType(position))
{
case TYPE_UNSUPPORTED:
break;
case TYPE_MESSAGE:
{
SendBird.Model.Message message = item as SendBird.Model.Message;
viewHolder.GetView <ImageView> ("img_op_icon").Visibility = ViewStates.Gone;
var messageView = viewHolder.GetView <TextView> ("message");
messageView.TextFormatted = Html.FromHtml("<font color='#824096'><b>" + message.GetSenderName() + "</b></font>: " + message.message);
if (!messageView.HasOnClickListeners)
{
// To prevent mutiple click listners
messageView.Click += (sender, e) => {
var builder = new Android.App.AlertDialog.Builder(mContext);
builder.SetTitle("SENDBIRD");
builder.SetMessage("Do you want to start 1:1 messaging with " + message.GetSenderName() + "?");
builder.SetPositiveButton("OK", (s, ev) => {
Intent data = new Intent();
data.PutExtra("userIds", new string[] { message.GetSenderId() });
((SendBirdChatActivity)mContext).SetResult(Android.App.Result.Ok, data);
((SendBirdChatActivity)mContext).mDoNotDisconnect = true;
((SendBirdChatActivity)mContext).Finish();
});
builder.SetNegativeButton("Cancel", (EventHandler <DialogClickEventArgs>)null);
var dialog = builder.Create();
dialog.Show();
};
}
break;
}
case TYPE_SYSTEM_MESSAGE:
{
SendBird.Model.SystemMessage systemMessage = item as SendBird.Model.SystemMessage;
viewHolder.GetView <TextView> ("message").TextFormatted = Html.FromHtml(systemMessage.message);
break;
}
case TYPE_BROADCAST_MESSAGE:
{
SendBird.Model.BroadcastMessage broadcastMessage = item as SendBird.Model.BroadcastMessage;
viewHolder.GetView <TextView> ("message").TextFormatted = Html.FromHtml(broadcastMessage.message);
break;
}
case TYPE_FILELINK:
{
FileLink fileLink = item as FileLink;
if (fileLink.isOpMessage)
{
viewHolder.GetView <ImageView> ("img_op_icon").Visibility = ViewStates.Visible;
viewHolder.GetView <TextView> ("txt_sender_name").TextFormatted = Html.FromHtml(" <font color='#824096'><b>" + fileLink.GetSenderName() + "</b></font>: ");
}
else
{
viewHolder.GetView <ImageView> ("img_op_icon").Visibility = ViewStates.Gone;
viewHolder.GetView <TextView>("txt_sender_name").TextFormatted = Html.FromHtml("<font color='#824096'><b>" + fileLink.GetSenderName() + "</b></font>: ");
}
if (fileLink.fileInfo.type.ToLower().StartsWith("image"))
{
viewHolder.GetView("file_container").Visibility = ViewStates.Gone;
viewHolder.GetView("image_container").Visibility = ViewStates.Visible;
viewHolder.GetView <TextView>("txt_image_name").Text = fileLink.fileInfo.name;
viewHolder.GetView <TextView>("txt_image_size").Text = fileLink.fileInfo.size.ToString();
if (fileLink.fileInfo.url != null && fileLink.fileInfo.url != "null")
{
DisplayUrlImage(viewHolder.GetView <ImageView> ("img_thumbnail"), fileLink.fileInfo.url);
}
}
else
{
viewHolder.GetView("image_container").Visibility = ViewStates.Gone;
viewHolder.GetView("file_container").Visibility = ViewStates.Visible;
viewHolder.GetView <TextView>("txt_file_name").Text = fileLink.fileInfo.name;
viewHolder.GetView <TextView>("txt_file_size").Text = "" + fileLink.fileInfo.size.ToString();
}
viewHolder.GetView("txt_sender_name").Click += (sender, e) => {
var builder = new Android.App.AlertDialog.Builder(mContext);
builder.SetTitle("SENDBIRD");
builder.SetMessage("Do you want to start 1:1 messaging with " + fileLink.GetSenderName() + "?");
builder.SetPositiveButton("OK", (s, ev) => {
Intent data = new Intent();
data.PutExtra("userIds", new string[] { fileLink.GetSenderId() });
((SendBirdChatActivity)mContext).SetResult(Android.App.Result.Ok, data);
((SendBirdChatActivity)mContext).mDoNotDisconnect = true;
((SendBirdChatActivity)mContext).Finish();
});
builder.SetNegativeButton("Cancel", (EventHandler <DialogClickEventArgs>)null);
var dialog = builder.Create();
dialog.Show();
};
break;
}
}
return(convertView);
}