title: Android Listview scroll with HorizontalScrollView
body: <p>I am develop a small app which is display the image with timeline like this "<a href="https://play.google.com/store/apps/details?id=com.dropbox.carousel&amp;hl=en" rel="nofollow noreferrer">https://play.google.com/store/apps/details?id=com.dropbox.carousel&amp;hl=en</a>": </p>
  
  <p>Picture: </p>
  
  <p><img src="https://i.stack.imgur.com/OWeUD.png" alt="enter image description here"></p>
  
  <p>When user scrolls A, app should programmatically scroll B and vice versa.</p>
  
  <p>here was my layout: 
      
      </p>
  
  <pre><code>    &lt;ListView
          android:id="@+id/list"
          android:layout_width="match_parent"
          android:layout_height="250dp" &gt;
  
      &lt;/ListView&gt;
  
      &lt;com.example.carousel_test.widget.HorizontalListView
        android:id="@+id/hl"
        android:layout_width="fill_parent"
        android:layout_height="50dp"
        android:background="#ddd"
      /&gt;
  
  &lt;/LinearLayout&gt;
  </code></pre>