title: How to customize the NumberPicker
body: <p>I found 2 built-in NumberPickers:</p>
  
  <p><a href="https://i.stack.imgur.com/3dXC3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/3dXC3.png" height="300"></a><br>
  <sub>(source: <a href="http://techbooster.org/wp-content/uploads/2011/12/NumberPicker_SS_1.png" rel="nofollow noreferrer">techbooster.org</a>)</sub>  </p>
  
  <p><img src="https://i.stack.imgur.com/A2hPd.png" height="300"></p>
  
  <p>By default, it's the first one, but when I add <code>android:theme="@android:style/Theme.NoTitleBar"</code> in AndroidManifest.xml, it becomes the second one.</p>
  
  <p>How can I put this line (I need it) and still get the first NumberPicker?</p>