title: How to set RecyclerView Max Height
body: <p>I want to set Max Height of RecylerView.I am able to set max height using below code.Below code makes height 60% of current screen.</p>
  
  <pre><code>     DisplayMetrics displaymetrics = new DisplayMetrics();
      getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
      int a = (displaymetrics.heightPixels * 60) / 100;
      recyclerview1.getLayoutParams().height = a;
  </code></pre>
  
  <p>But now problem is that, if it have no item then also its height is 60%.
  So I want to set its height 0 when no item in it.</p>
  
  <p>I want to achieve like something.</p>
  
  <pre><code>    if(recyclerview's height &gt; maxHeight)
  then set recyclerview's height to maxHeight
      else dont change the height of recyclerview.
  </code></pre>
  
  <p>How can i set it?
  Please help me, I am stuck with it</p>