title: Flat action bar with Theme.Material
body: <p>can someone help me with Material theming?</p>
  
  <p>I want actionbar be flat. 
  Here is code I try to use.</p>
  
  <pre><code>&lt;style name="Theme.Kpi_Schedule.full" parent="android:Theme.Material.Light.DarkActionBar"&gt;
     &lt;item name="android:windowContentOverlay"&gt;@null&lt;/item&gt;
     &lt;item name="android:colorPrimaryDark"&gt;#1E88E5&lt;/item&gt;
     &lt;item name="android:popupBackground"&gt;#fff&lt;/item&gt;
     &lt;item name="android:windowTranslucentNavigation"&gt;true&lt;/item&gt;
     &lt;item name="android:navigationBarColor"&gt;@android:color/transparent&lt;/item&gt;
     &lt;item name="android:actionBarStyle"&gt;@style/ActionBar.Solid.Kpi_Schedule.full&lt;/item&gt;
  &lt;/style&gt;
  
  &lt;style name="ActionBar.Solid.Kpi_Schedule.full" parent="android:Widget.Material.ActionBar.Solid"&gt;
     &lt;item name="android:windowActionBarOverlay"&gt;true&lt;/item&gt;
     &lt;item name="android:background"&gt;#03A9F4&lt;/item&gt;
     &lt;item name="android:displayOptions"&gt;homeAsUp&lt;/item&gt;
  &lt;/style&gt;
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/Ftixn.png" alt="Problem here"></p>