public override RecyclerView.ViewHolder OnCreateViewHolder(ViewGroup parent, int viewType)
{
View itemView = LayoutInflater.From(parent.Context).Inflate(Resource.Layout.ConversationMessageRowView, parent, false);
ConversationMessageViewHolder vh = new ConversationMessageViewHolder(itemView);
return(vh);
}
public override void OnBindViewHolder(RecyclerView.ViewHolder holder, int position)
{
var currentItem = this.Messages[position];
ConversationMessageViewHolder vh = holder as ConversationMessageViewHolder;
SetLayotParameters(currentItem, vh);
vh.MessageHeader.Text = currentItem.MessageHeader;
vh.MessageContent.Text = currentItem.MessageContent;
RaiseOnInfiniteScrollWhenItemIsLastInList(currentItem, vh);
}
private static void SetLayotParameters(ConversationMessage currentItem, ConversationMessageViewHolder vh)
{
RelativeLayout.LayoutParams parameters = new RelativeLayout.LayoutParams(LinearLayout.LayoutParams.WrapContent, LinearLayout.LayoutParams.WrapContent);
if (currentItem.UserWasSender)
{
parameters.AddRule(LayoutRules.AlignParentLeft);
parameters.SetMargins(10, 5, 50, 15);
vh.MessageLayout.Background = ContextCompat.GetDrawable(Application.Context, Resource.Drawable.conversation_user_message_background_border);
var color = new Color(141, 110, 99);
vh.MessageHeader.SetTextColor(color);
vh.MessageContent.SetTextColor(color);
}
else
{
parameters.AddRule(LayoutRules.AlignParentRight);
parameters.SetMargins(50, 5, 10, 15);
vh.MessageLayout.Background = ContextCompat.GetDrawable(Application.Context, Resource.Drawable.conversation_sender_message_background_border);
var color = new Color(239, 235, 233);
vh.MessageHeader.SetTextColor(color);
vh.MessageContent.SetTextColor(color);
}
vh.MessageLayout.LayoutParameters = parameters;
}
private void RaiseOnInfiniteScrollWhenItemIsLastInList(ConversationMessage currentItem, ConversationMessageViewHolder viewHolder)
{
if (this.Messages.IndexOf(currentItem) == (this.Messages.Count - 1) && !InfiniteScrollDisabled)
{
this.infiniteScrollListener.OnInfiniteScroll();
}
}