protected virtual void InitializeListView()
{
OnBeforeSetListViewSource();
_listViewSource = CreateListViewSource();
ListView.Source = _listViewSource;
}
public static void ScrollOutHeaderAfterReload(
UIScrollView scrollView,
nfloat headerHeight,
IListViewSource viewSource,
bool animated)
{
var existingKey = GetTimerKey(scrollView);
if (viewSource.ItemsSource != null &&
viewSource.ItemsSource.Cast <object>().Any())
{
if (existingKey == null)
{
var newKey = new WeakReference <UIScrollView>(scrollView);
_timers[newKey] =
NSTimer.CreateRepeatingScheduledTimer(
TimeSpan.MinValue,
t =>
{
if (scrollView.ContentSize.Height > headerHeight)
{
ScrollOutHeader(scrollView, headerHeight, animated);
DisposeTimer(newKey);
}
});
}
}
else
{
DisposeTimer(existingKey);
}
}
