title: How to reduce the font size in NumberPicker
body: <p>All, I'm customizing a city picker, which uses three numberPicker inside,like this:
  <img src="https://i.stack.imgur.com/ITWQ3.png" alt="enter image description here"></p>
  
  <p>Its a Chinese province-city-area picker.</p>
  
  <p>The code:</p>
  
  <pre><code>String[] areas = get_from_somewhere();
  areaPicker.setDisplayedValues(areas);
  </code></pre>
  
  <p>I want to reduce the font size,any advice?</p>
  
  <p><strong>Solution</strong>: <a href="https://stackoverflow.com/questions/6958460/android-can-i-increase-the-textsize-for-the-numberpicker-widget/12084420#12084420">Refer to this</a></p>