public override int FindTargetSnapPosition(RecyclerView.LayoutManager layoutManager, int velocityX, int velocityY)
{
var ll = (layoutManager as RecyclerView.SmoothScroller.IScrollVectorProvider);
if (ll == null)
{
return(RecyclerView.NoPosition);
}
View centerView = FindSnapView(layoutManager);
if (centerView == null)
{
return(RecyclerView.NoPosition);
}
int currentPosition = layoutManager.GetPosition(centerView);
if (currentPosition == RecyclerView.NoPosition)
{
return(RecyclerView.NoPosition);
}
return(currentPosition);
}
public override int[] CalculateDistanceToFinalSnap(RecyclerView.LayoutManager layoutManager, View targetView)
{
//throw new NotImplementedException();
int pos = layoutManager.GetPosition(targetView);
Loge("findTargetSnapPosition, pos = " + pos);
int[] offset = new int[2];
if (layoutManager is PagerGridLayoutManager)
{
PagerGridLayoutManager manager = (PagerGridLayoutManager)layoutManager;
offset = manager.GetSnapOffset(pos);
}
return(offset);
}