title: tablayout change tab selected textsize
body: <p><a href="https://i.stack.imgur.com/P8h0a.png" rel="nofollow"><img src="https://i.stack.imgur.com/P8h0a.png" alt="enter image description here"></a></p>
  
  <blockquote>
    <p>Tablayout.tab cant change selected textsize in code</p>
  </blockquote>
  
  <p>.</p>
  
  <p><a href="https://i.stack.imgur.com/cq38k.png" rel="nofollow"><img src="https://i.stack.imgur.com/cq38k.png" alt="enter image description here"></a></p>
  
  <blockquote>
    <p>textAppearance can't set selectTextsize too.so how complete it?</p>
  </blockquote>