title: Ripple requires API level 21 (current min is 11), android?
body: <p>I have the below drawable</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;ripple xmlns:android="http://schemas.android.com/apk/res/android"
  android:color="?android:colorControlHighlight" &gt;
  
  &lt;item&gt;
      &lt;shape android:shape="oval" &gt;
          &lt;solid android:color="?android:colorAccent" /&gt;
      &lt;/shape&gt;
  &lt;/item&gt;
  </code></pre>
  
  <p></p>
  
  <p>And I am getting this error</p>
  
  <pre><code>&lt;ripple&gt; requires API level 21 (current min is 11)
  </code></pre>
  
  <p>How do I solve it?</p>