void OnScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
var view = (AbsListView)sender;
switch (e.ScrollState)
{
case ScrollState.Idle:
mBusy = false;
int first = view.FirstVisiblePosition;
int count = view.ChildCount;
for (int i = 0; i < count; i++)
{
TextView t = (TextView)view.GetChildAt(i);
if (t.Tag != null)
{
t.Text = (Cheeses.CheeseStrings[first + i]);
t.Tag = null;
}
}
mStatus.Text = "Idle";
break;
case ScrollState.TouchScroll:
mBusy = true;
mStatus.Text = "Touch scroll";
break;
case ScrollState.Fling:
mBusy = true;
mStatus.Text = "Fling";
break;
}
}
/// <summary>
/// Handles the scroll state changed.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="AbsListView.ScrollStateChangedEventArgs"/> instance containing the event data.</param>
void HandleScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
//if (e.View.Id == _listview.Id) {
// switch (e.ScrollState) {
// case ScrollState.Fling:
// case ScrollState.TouchScroll:
// // Scrolled down
// int currentTopVisibleItem = _listview.FirstVisiblePosition;
// if (currentTopVisibleItem > _lastTopVisibleItem) {
// _isScrollingDown = false;
// if (_searchBarIsVisible) {
// HideSearchBar ();
// }
// } else if (currentTopVisibleItem < _lastTopVisibleItem) {
// _isScrollingDown = true;
// if (!_searchBarIsVisible) {
// ShowSearchBar ();
// }
// }
// _lastTopVisibleItem = currentTopVisibleItem;
// break;
// }
//}
}
void OnParentScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
if (e.ScrollState == ScrollState.Fling || e.ScrollState == ScrollState.TouchScroll)
{
ResetSwipe();
}
}
private void View_ScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
if (e.ScrollState == ScrollState.TouchScroll)
{
View currentFocus = Activity.CurrentFocus;
if (currentFocus != null)
{
currentFocus.ClearFocus();
}
}
}
private void OnScrollStateChanged(object o, AbsListView.ScrollStateChangedEventArgs e)
{
DescendantFocusability = DescendantFocusability.BeforeDescendants;
DroidFactory.HideKeyboard();
var fragment = Parent as BaseFragment;
if (fragment != null)
{
fragment.RequestFocusHomeUp = false;
}
}
private void Lw_ScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
var currentScrollState = Controls.Actions.ScrollStateChangedEventArgs.ScrollState.Idle;
if (e.ScrollState == Android.Widget.ScrollState.Idle)
{
currentScrollState = Controls.Actions.ScrollStateChangedEventArgs.ScrollState.Idle;
}
else
{
currentScrollState = Controls.Actions.ScrollStateChangedEventArgs.ScrollState.Running;
}
CustomListview.OnScrollStateChanged(Source, new Controls.Actions.ScrollStateChangedEventArgs(currentScrollState));
}
private void ScrollChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
switch (e.ScrollState)
{
case ScrollState.Fling:
ImageService.Instance.SetPauseWork(true); // all image loading requests will be silently canceled
break;
case ScrollState.Idle:
ImageService.Instance.SetPauseWork(false); // loading requests are allowed again
break;
default:
break;
}
}
private void OnControlScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
switch (e.ScrollState)
{
case ScrollState.Fling:
ImageService.Instance.SetPauseWork(true);
break;
case ScrollState.Idle:
ImageService.Instance.SetPauseWork(false);
break;
case ScrollState.TouchScroll:
break;
default:
break;
}
}
private async void Listview_ScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
var listview = sender as ListView;
var adapter = listview.Adapter as ArticleThreadAdapter;
//System.Diagnostics.Debug.WriteLine(e.ScrollState);
int last = listview.LastVisiblePosition + 1;
int totalItemCount = listview.Adapter.Count - 1;
if (IsLoading && totalItemCount > PreviousTotalItemCount)
{
IsLoading = false;
PreviousTotalItemCount = totalItemCount;
++currentPage;
}
if ((last + visibleThreshold) > totalItemCount && !IsLoading && _footer.WindowVisibility == ViewStates.Visible && !isWorking)
{
isWorking = true;
System.Diagnostics.Debug.WriteLine(e.ScrollState + "\t@@@\t" + " more" + last + "\t" + _footer.WindowVisibility);
//var pr = new Android.App.ProgressDialog(_context);
//pr.SetMessage("Login...");
//pr.SetCancelable(false);
//pr.Show();
_progressBar.Visibility = ViewStates.Visible;
await Task.Factory.StartNew(() => BigLongImportantMethodAsync());
var threads = JsonConvert.DeserializeObject <List <ArticleThread> >(ResourceData.Thread);
threads.ForEach(item => item.Body = item.Body.Length > 100 ? item.Body.Substring(1, 99) : item.Body);
var count = _listView.Adapter.Count - 1;
threads.ForEach(item => item.AttachmentCount = (++count).ToString());
_adapter.Add(threads);
_adapter.NotifyDataSetChanged();
_progressBar.Visibility = ViewStates.Invisible;
isWorking = false;
//pr.Hide();
//Callback(ItemsPerRequest * currentPage);
//IsLoading = true;
}
}
protected void OnScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
}
void ListScrollStateChanged(object sender, AbsListView.ScrollStateChangedEventArgs e)
{
ScrollStatus = e.ScrollState;
}