private void Update()
{
var contentItem = _sourcePropertyFunc();
var view = _targetPropertyFunc();
if (contentItem == null || view == null)
{
return;
}
_contentItemViewHolder?.Dispose();
var contentItemContainer = view.FindViewById <ViewGroup>(Resource.Id.contentItem_container);
if (contentItemContainer == null)
{
throw new ArgumentException("ContentItemBinding requires a view with a ViewGroup with id contentItem_container");
}
var displayContext = new DisplayContext();
displayContext.Activity = _activity;
displayContext.Inflater = _activity.LayoutInflater;
displayContext.Messenger = Messenger.Default;
displayContext.RootContainer = contentItemContainer;
displayContext.RootContentItem = contentItem;
displayContext.ViewHolderFactory = new DefaultViewHolderFactory(displayContext);
displayContext.Messenger.Send(new ContentItemDisplayingMessage(displayContext));
_contentItemViewHolder = displayContext.RootContentItemViewHolder();
contentItemContainer.AddView(_contentItemViewHolder.View);
}
public void Bind(IContentItem contentItem)
{
_contentItemViewHolder?.Dispose();
var container = ItemView.FindViewById <ViewGroup>(Resource.Id.contentItem_container);
_contentItemViewHolder = _displayContext.ViewHolderFactory.CreateContentItemViewHolder(container, contentItem);
container.AddView(_contentItemViewHolder.View);
}
public override void Dispose()
{
base.Dispose();
_contentItemViewHolder?.Dispose();
}