title: Missing Button Placed after ListView
body: <p>I have a layout with 3 button at the top in a row and then a ListView followed by a button below the listView.
  This is my layout.xml file</p>
  
  <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  &gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"&gt;
  
      &lt;Button android:id="@+id/btn_top10"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="TOP 10"/&gt;
  
      &lt;Button android:id="@+id/btn_top100"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="TOP 100"
          android:layout_toRightOf="@id/btn_top10"/&gt;
  
      &lt;Button android:id="@+id/btn_showAll"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="Show All"
          android:layout_toRightOf="@id/btn_top100"/&gt;
  
      &lt;ListView android:id="@+id/LV_Device"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:layout_below="@id/btn_top10"
          android:layout_above="@id/LV_Device"/&gt;
  
      &lt;Button android:id="@+id/btn_clearResult"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:text="Clear Results"
          android:layout_below="@id/LV_Device"/&gt;  
  
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p></p>
  
  <p>This will give a result like this </p>
  
  <p><img src="https://i.stack.imgur.com/fCV5W.png" alt="enter image description here"></p>
  
  <p>If i add some values to the ListView then its ok, the button below will be show</p>
  
  <p><img src="https://i.stack.imgur.com/yA2XV.png" alt="enter image description here"></p>
  
  <p>But if the listview becomes larger than the screen size then the button below that will not be visible even after scrolling to the bottom of the listView</p>
  
  <p><img src="https://i.stack.imgur.com/5WM5I.png" alt="enter image description here"></p>
  
  <p>How to solve this issue?? I don't want button to be fixed at the bottom of the screen. I want the button to be show at the end of the ListView only</p>