title: Android Failed to find style in current theme
body: <p>in this simple designed Theme, Android could not find <code>numberPickerStyle</code> ino that and i get this error:</p>
  
  <pre><code> Failed to find 'numberPickerStyle' style in current theme
  </code></pre>
  
  <p>My theme is:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;resources&gt;
  
      &lt;style name="Theme.Tsms" parent="@style/Theme.AppCompat.Light"&gt;
          &lt;item name="numberPickerStyle"&gt;@style/SampleTheme.Tsms&lt;/item&gt;
      &lt;/style&gt;
  
      &lt;style name="SampleTheme.Tsms" parent="@style/Theme.AppCompat"&gt;
          &lt;item name="numberPickerStyle"&gt;@style/NPWidget.Holo.Light.NumberPicker&lt;/item&gt;
      &lt;/style&gt;
  
  &lt;/resources&gt;
  </code></pre>
  
  <p>how to fix and resolve this problem?</p>