title: How to change Android ViewPager page title text size depending on the screen size
body: <p>Having 3 pages in the <code>ViewPager</code> and running on a tablet vs running on a smartphone the text size for the page title must change.</p>
  
  <p>any ide? </p>
  
  <p>I try to set <code>PagerTabStrip</code> text size in the xml but that was not possible</p>
  
  <pre><code>&lt;android.support.v4.view.ViewPager
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:id="@+id/pager"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:background="?android:attr/windowBackground"&gt;
  
      &lt;android.support.v4.view.PagerTabStrip
          android:layout_width="match_parent"
          android:layout_height="wrap_content"/&gt;
  
  &lt;/android.support.v4.view.ViewPager&gt;
  </code></pre>