title: Option Menu Animation
body: <p>How can i give a slide down animation like this :</p>
  
  <pre><code>&lt;set xmlns:android="http://schemas.android.com/apk/res/android" &gt;
      &lt;translate
          android:duration="1000"
          android:fromYDelta="0"
          android:toYDelta="100%" /&gt;
  &lt;/set&gt;
  </code></pre>
  
  <p>for " Option Menu " Opening .like this animation :</p>
  
  <p><a href="https://i.stack.imgur.com/MCbin.gif" rel="noreferrer"><img src="https://i.stack.imgur.com/MCbin.gif" alt="enter image description here"></a></p>