title: How to create custom window title on preference activity android?
body: <p>When building an application, sometimes we need to create a custom window title to suit  our needs and make our application differs from  others. I've problem on create icon window title on preference activity by this code:</p>
  
  <pre><code>public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          requestWindowFeature(Window.FEATURE_LEFT_ICON);
          addPreferencesFromResource(R.layout.setting);
          setFeatureDrawableResource(Window.FEATURE_LEFT_ICON, R.drawable.setting);
      }
  </code></pre>
  
  <p>Can anybody help me?</p>