title: showInfoWindow can not show info of all markers
body: <p>I'm developing an Android application about google map v2. My problem is that I can not show infoWindow of all marker that had been added. </p>
  
  <p>Here's my code : </p>
  
  <pre><code>//define my Marker[] marker;
  for (int i = 0; i &lt; 10; i++) 
          // add my Marker[]
                       marker[i].showInfoWindow();
                  }
              }
  </code></pre>
  
  <p>When I run my app. Only one marker showed on screen. </p>
  
  <p>I don't know how to solve it. Please help me! 
  Thank everyone!</p>