private void SetIndicator(TabHost.TabSpec tabSpec, object item)
{
(item as IViewModel)?.Settings.Metadata.AddOrUpdate(ViewModelConstants.StateNotNeeded, true);
var templateId = _itemTemplateProvider.GetTemplateId();
var selector = _itemTemplateProvider.GetDataTemplateSelector();
if (templateId == null && selector == null)
{
selector = EmptyTemplateSelector.Instance;
}
object content = AndroidToolkitExtensions.GetContentView(TabHost, TabHost.Context, item, templateId, selector);
if (content == EmptyTemplateSelector.EmptyView)
{
content = null;
if (item is IHasDisplayName)
{
BindingServiceProvider.BindingProvider.CreateBindingsFromString(tabSpec, "Title DisplayName", null);
}
else
{
tabSpec.SetIndicator(item.ToStringSafe("(null)"));
}
}
var view = content as View;
if (view == null)
{
tabSpec.SetIndicator(content.ToStringSafe("(null)"));
}
else
{
tabSpec.SetIndicator(view);
}
}
public override int GetItemViewType(int position)
{
if (ItemsSource == null)
{
return(Adapter.IgnoreItemViewType);
}
var selector = _itemTemplateProvider.GetDataTemplateSelector() as IResourceDataTemplateSelector;
if (selector == null)
{
return(0);
}
if (_resourceTypeToItemType == null)
{
_resourceTypeToItemType = new Dictionary <int, int>();
}
var id = selector.SelectTemplate(GetRawItem(position), _container);
int type;
if (!_resourceTypeToItemType.TryGetValue(id, out type))
{
type = _currentTypeIndex++;
_resourceTypeToItemType[id] = type;
}
return(type);
}
private object GetContent(object item)
{
return(PlatformExtensions.GetContentView(TabHost, TabHost.Context,
item, _contentTemplateProvider.GetTemplateId(), _contentTemplateProvider.GetDataTemplateSelector()));
}