void DisposeOfConditionalFocusLayout(ConditionalFocusLayout layout)
{
var renderedView = layout?.GetChildAt(0);
var element = (renderedView as INativeElementView)?.Element;
var view = (element as ViewCell)?.View;
if (view != null)
{
var renderer = AppCompat.Platform.GetRenderer(view);
if (renderer == renderedView)
{
element.ClearValue(AppCompat.Platform.RendererProperty);
}
renderer?.Dispose();
renderer = null;
}
renderedView?.Dispose();
renderedView = null;
}
public override AView GetView(int position, AView convertView, ViewGroup parent)
{
bool isHeader, nextIsHeader;
Cell item = GetCellForPosition(position, out isHeader, out nextIsHeader);
if (item == null)
{
return(new AView(Context));
}
var makeBline = true;
var layout = convertView as ConditionalFocusLayout;
if (layout != null)
{
makeBline = false;
convertView = layout.GetChildAt(0);
}
else
{
layout = new ConditionalFocusLayout(Context)
{
Orientation = Orientation.Vertical
}
};
AView aview = CellFactory.GetCell(item, convertView, parent, Context, _view);
if (!makeBline)
{
if (convertView != aview)
{
layout.RemoveViewAt(0);
layout.AddView(aview, 0);
}
}
else
{
layout.AddView(aview, 0);
}
AView bline;
if (makeBline)
{
bline = new AView(Context)
{
LayoutParameters = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, 1)
};
layout.AddView(bline);
}
else
{
bline = layout.GetChildAt(1);
}
if (isHeader)
{
bline.SetBackgroundColor(Color.Accent.ToAndroid());
}
else if (nextIsHeader)
{
bline.SetBackgroundColor(global::Android.Graphics.Color.Transparent);
}
else
{
using (var value = new TypedValue())
{
int id = global::Android.Resource.Drawable.DividerHorizontalDark;
if (Context.Theme.ResolveAttribute(global::Android.Resource.Attribute.ListDivider, value, true))
{
id = value.ResourceId;
}
else if (Context.Theme.ResolveAttribute(global::Android.Resource.Attribute.Divider, value, true))
{
id = value.ResourceId;
}
bline.SetBackgroundResource(id);
}
}
layout.ApplyTouchListenersToSpecialCells(item);
if (_restoreFocus == item)
{
if (!aview.HasFocus)
{
aview.RequestFocus();
}
_restoreFocus = null;
}
else if (aview.HasFocus)
{
aview.ClearFocus();
}
return(layout);
}