public override void OnDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state)
{
for (int i = 0; i < state.ItemCount - 1; i++)
{
if (!adapter.AreIndicesLinked(i, i + 1))
{
continue;
}
var view = parent.GetChildAt(i);
parent.GetDecoratedBoundsWithMargins(view, drawRect);
var position = parent.GetChildAdapterPosition(view);
var colSize = adapter.colSize;
var row = position / colSize;
var col = position % colSize;
var padding = initializationWidth / 8;
var x = drawRect.Right - (initializationWidth / 2);
var y = (drawRect.Top + drawRect.Bottom) / 2;
c.DrawBitmap(rightArrow, x, y - initializationWidth - padding, null);
c.DrawBitmap(leftArrow, x, y + padding, null);
}
}