title: SmartTabLayout thickness
body: <p>I'm using <code>SmartTabLayout</code>. And I want to use indicator like this (like a circle). I couldn't find some appropriate argument in <code>xml</code>.
  Any ideas?</p>
  <p>Want this:</p>
  <p><a href="https://i.stack.imgur.com/anrcF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/anrcF.png" alt="enter image description here" /></a></p>
  <p>I have this:</p>
  <p><a href="https://i.stack.imgur.com/kVRTC.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/kVRTC.png" alt="enter image description here" /></a></p>
  <p>XML code:</p>
  <pre><code> &lt;com.ogaclejapan.smarttablayout.SmartTabLayout
          android:id=&quot;@+id/tabs&quot;
          android:layout_width=&quot;match_parent&quot;
          android:layout_height=&quot;48dp&quot;
          app:stl_clickable=&quot;true&quot;
          app:stl_defaultTabBackground=&quot;?attr/selectableItemBackground&quot;
          app:stl_defaultTabTextAllCaps=&quot;true&quot;
          app:stl_defaultTabTextColor=&quot;#FC000000&quot;
          app:stl_defaultTabTextHorizontalPadding=&quot;16dp&quot;
          app:stl_defaultTabTextMinWidth=&quot;0dp&quot;
          app:stl_defaultTabTextSize=&quot;12sp&quot;
          app:stl_distributeEvenly=&quot;false&quot;
          app:stl_dividerColor=&quot;#4D000000&quot;
          app:stl_dividerThickness=&quot;1dp&quot;
          app:stl_drawDecorationAfterTab=&quot;false&quot;
          app:stl_indicatorAlwaysInCenter=&quot;false&quot;
          app:stl_indicatorColor=&quot;#40C4FF&quot;
          app:stl_indicatorCornerRadius=&quot;2dp&quot;
          app:stl_indicatorGravity=&quot;bottom&quot;
          app:stl_indicatorInFront=&quot;false&quot;
          app:stl_indicatorInterpolation=&quot;smart&quot;
          app:stl_indicatorThickness=&quot;4dp&quot;
          app:stl_indicatorWidth=&quot;auto&quot;
          app:stl_indicatorWithoutPadding=&quot;false&quot;
          app:stl_overlineColor=&quot;#4D000000&quot;
          app:stl_overlineThickness=&quot;0dp&quot;
          app:stl_titleOffset=&quot;24dp&quot;
          app:stl_underlineColor=&quot;#4D000000&quot;
          app:stl_underlineThickness=&quot;1dp&quot; /&gt;
  </code></pre>