title: Sherlock action bar's menu item background
body: <p>i am having issue with rendering custom view in Sherlock action bar. what happen is i've successfully set the custom view in action bar designed to set the Title textview in center, but when i set the other menu items like refresh then it's background appears with black color. same things happens with home button. please go through the following snapshot.</p>
  
  <p><img src="https://i.stack.imgur.com/ue5TY.png" alt="Custom Sherlock Action Bar"></p>
  
  <p>as you can see in this image when i set home button visible or set the refresh menu item it should not displayed like this with black background.</p>
  
  <p>in my Activity screen</p>
  
  <pre><code>protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     setContentView(R.layout.menu_activity);
     .... 
     View customNav = LayoutInflater.from(this).inflate(R.layout.custom_navigation, null);
     TextView textView = (TextView)customNav.findViewById(R.id.screen_title);
     textView.setText("Category");
     getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
     getSupportActionBar().setCustomView(customNav);
     getSupportActionBar().setDisplayHomeAsUpEnabled(true);
     getSupportActionBar().setDisplayShowHomeEnabled(true);   
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
      menu.add(0,Constants.REFRESH_ITEM_ID,0,Constants.LABEL_REFRESH)
          .setIcon(R.drawable.ic_refresh)
          .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
      return true;
  }
  </code></pre>
  
  <p>I've tried a lot but fail to fix it.Please help me.
  Thanks in Advance.</p>