title: How to implement horizontal gridlayoutmanager
body: <p>How to implement horizontal gridlayoutmanager with recyclerview.
  Fixed row count. and horizontal scroll.
  Like this...</p>
  
  <p><a href="https://i.stack.imgur.com/pJNeq.png" rel="noreferrer"><img src="https://i.stack.imgur.com/pJNeq.png" alt="horizontal scroll diagram"></a></p>
  
  <pre><code>        gridLayoutManager = new GridLayoutManager(getContext(), 1, GridLayoutManager.HORIZONTAL, false);
      recyclerView.setLayoutManager(gridLayoutManager);
      recyclerView.setHasFixedSize(true);
  </code></pre>
  
  <p>I try do this. but this is not show anything in item.</p>