private void ListViewOnOnOverscrolled(object sender, OverscrollListenerListViewEventArgs overscrollListenerListViewEventArgs)
{
if (overscrollListenerListViewEventArgs.DeltaY < 0)
{
_overscrolling = true;
vT.ComputeCurrentVelocity(1);
if (_header != null && (int)Math.Ceiling(_header.GetY()) != 0 && _historyEvent.Action == MotionEventActions.Up || _historyEvent.Action == MotionEventActions.Cancel)
{
long duration = (long)Math.Ceiling(Math.Abs(_header.Height) / vT.GetYVelocity(0));
_header.Animate().Y(0).SetDuration(duration).SetInterpolator(new DecelerateInterpolator(1.0f)).Start();
_listView.Animate().Y(_header.Height).SetDuration(duration).SetInterpolator(new DecelerateInterpolator(1.0f)).Start();
}
}
else
{
_overscrolling = false;
}
}
private void ListViewOnOnOverscrolled(object sender, OverscrollListenerListViewEventArgs overscrollListenerListViewEventArgs)
{
if (overscrollListenerListViewEventArgs.DeltaY < 0)
{
_overscrolling = true;
vT.ComputeCurrentVelocity(1);
if (_header != null && (int)Math.Ceiling(_header.GetY()) != 0 &&_historyEvent.Action == MotionEventActions.Up || _historyEvent.Action == MotionEventActions.Cancel)
{
long duration = (long)Math.Ceiling(Math.Abs(_header.Height) / vT.GetYVelocity(0));
_header.Animate().Y(0).SetDuration(duration).SetInterpolator(new DecelerateInterpolator(1.0f)).Start();
_listView.Animate().Y(_header.Height).SetDuration(duration).SetInterpolator(new DecelerateInterpolator(1.0f)).Start();
}
}
else
{
_overscrolling = false;
}
}
