protected override void OnElementPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == "ItemsSource")
{
_adapter.Items = Element.ItemsSource;
}
else if (e.PropertyName == FormsGridView.PaddingProperty.PropertyName)
{
var grid = sender as FormsGridView;
int pad = (int)((double)grid.GetValue(JWChinese.GridView.PaddingProperty));
_recyclerView.SetPadding(pad, 0, pad, pad);
}
// if (e.PropertyName == "IsScrollEnabled") {
// Device.BeginInvokeOnMainThread (() => {
// _recyclerView.Enabled = Element.IsScrollEnabled;
//// Debug.WriteLine ("scroll enabled changed to " + _gridCollectionView.ScrollEnabled);
// }
// );
// }
}
void CreateRecyclerView()
{
_recyclerView = new ScrollRecyclerView(global::Android.App.Application.Context);
_recyclerView.SetClipToPadding(false);
_recyclerView.Touch += _recyclerView_Touch;
var scrollListener = new GridViewScrollListener(Element, _recyclerView);
_recyclerView.AddOnScrollListener(scrollListener);
var grid = Element as FormsGridView;
int pad = (int)((double)grid.GetValue(JWChinese.GridView.PaddingProperty));
_recyclerView.SetPadding(pad, 0, pad, pad);
_recyclerView.SetItemAnimator(null);
_recyclerView.HorizontalScrollBarEnabled = false;
_recyclerView.VerticalScrollBarEnabled = true;
_adapter = new GridViewAdapter(Element.ItemsSource, _recyclerView, Element, Resources.DisplayMetrics);
_recyclerView.SetAdapter(_adapter);
UpdateGridLayout();
}