An empty header (or footer) decoration for RecyclerView, since RecyclerView can't clipToPadding

SimpleHeaderDecoration.java

import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.view.View;

/**
 * An empty header (or footer) decoration for RecyclerView, since RecyclerView can't clipToPadding
 */
public class SimpleHeaderDecoration extends RecyclerView.ItemDecoration {
  private final int headerHeight;
  private final int footerHeight;

  public SimpleHeaderDecoration(int headerHeight, int footerHeight) {
    this.headerHeight = headerHeight;
    this.footerHeight = footerHeight;
  }

  @Override public void getItemOffsets(Rect outRect, View view, RecyclerView parent,
      RecyclerView.State state) {
    int childAdapterPosition = parent.getChildAdapterPosition(view);
    if (childAdapterPosition == 0) {
      outRect.top = headerHeight;
    } else if (childAdapterPosition == parent.getAdapter().getItemCount() - 1) {
      outRect.bottom = footerHeight;
    } else {
      outRect.set(0, 0, 0, 0);
    }
  }
}