public void OnAnimationEnd(Animation animation)
{
_adapter.StopAnimation(_groupPosition);
_listView.CollapseGroup(_groupPosition);
_adapter.NotifyDataSetChanged();
_info.DummyHeight = -1;
_dummyView.Tag = AnimatedExpandableListAdapter.STATE_IDLE;
}
/**
* Collapses the given group with an animation.
* @param groupPos The position of the group to collapse
* @return Returns true if the group was collapsed. False if the group was
* already collapsed.
*/
public bool CollapseGroupWithAnimation(int groupPosition)
{
int groupFlatPos = GetFlatListPosition(GetPackedPositionForGroup(groupPosition));
if (groupFlatPos != -1)
{
int childIndex = groupFlatPos - FirstVisiblePosition;
if (childIndex >= 0 && childIndex < ChildCount)
{
// Get the view for the group is it is on screen...
View v = GetChildAt(childIndex);
if (v.Bottom >= Bottom)
{
// If the user is not going to be able to see the animation
// we just collapse the group without an animation.
// This resolves the case where getChildView will not be
// called if the children of the group is not on screen
return(CollapseGroup(groupPosition));
}
}
else
{
// If the group is offscreen, we can just collapse it without an
// animation...
return(CollapseGroup(groupPosition));
}
}
// Get the position of the firstChild visible from the top of the screen
long packedPos = GetExpandableListPosition(FirstVisiblePosition);
int firstChildPosition = GetPackedPositionChild(packedPos);
int firstGroupPosition = GetPackedPositionGroup(packedPos);
// If the first visible view on the screen is a child view AND it's a
// child of the group we are trying to collapse, then set that
// as the first child position of the group... see
// {@link #startCollapseAnimation(int, int)} for why this is necessary
firstChildPosition = firstChildPosition == -1 || firstGroupPosition != groupPosition ? 0 : firstChildPosition;
// Let the adapter know that we are going to start animating the
// collapse animation.
_adapter.StartCollapseAnimation(groupPosition, firstChildPosition);
// Force the listview to refresh it's views
_adapter.NotifyDataSetChanged();
return(IsGroupExpanded(groupPosition));
}
public void OnAnimationEnd(Animation animation)
{
_adapter.StopAnimation(_groupPosition);
_adapter.NotifyDataSetChanged();
_dummyView.Tag = AnimatedExpandableListAdapter.STATE_IDLE;
}