recyclerView.addItemDecoration 之后无法下拉刷新 about bgarefreshlayout-android HOT 4 CLOSED

public class SpacesItemDecoration extends RecyclerView.ItemDecoration {

private int space;

public SpacesItemDecoration(int space) {
    this.space = space;
}

@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
    outRect.left = space;
    outRect.right = space;
    outRect.bottom = space;

    // Add top margin only for the first item to avoid double space between items
    if(parent.getChildPosition(view) == 0)
        outRect.top = space;
}