title: Change listpreference Summary text color and size
body: <p>I have listpreference in my app , i want to customize it , i can set theme to prefs activity as bellow :</p>
  
  <pre><code> &lt;activity 
       android:name=".Prefs" 
       android:label="@string/app_name" 
       android:theme="@style/PreferencesTheme"&gt;
  </code></pre>
  
  <p>preference style:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8" ?&gt; 
  &lt;resources xmlns:android="http://schemas.android.com/apk/res/android"&gt;
   &lt;style name="PreferencesTheme" parent="android:Theme"&gt;
   &lt;item name="android:background"&gt;#FFDAB9&lt;/item&gt; 
   &lt;item name="android:textColor"&gt;@color/red_color&lt;/item&gt; 
   &lt;item name="android:textSize"&gt;20sp&lt;/item&gt; 
  &lt;/style&gt;
  &lt;/resources&gt;
  </code></pre>
  
  <p>The above style changes the ListPreference background and ListPreference title text size and text color <strong>BUT</strong> it doesn't change ListPreference summary text color or size any way to do that ,</p>
  
  <p>i tried this code but it doesn't work:</p>
  
  <pre><code> &lt;item name="android:textColorSecondary"&gt;@color/red_color&lt;/item&gt;   
  </code></pre>
  
  <p>any help will be appreciated, thanks    </p>