docs: add developer dashboard page and add topic link

to it from the homepage (replacing the video topic)

docs/html/index.jd

@@ -76,11 +76,17 @@ home=true
                                       <td colspan="2"><div class="seperator">&nbsp;</div></td>
                               </tr>
                               <tr>
-                                      <td class="imageCell"><a href="http://www.youtube.com/user/androiddevelopers"><img src="{@docRoot}assets/images/video-droid.png" style="padding:0" /></a></td>
+                                      <td class="imageCell"><a
+href="{@docRoot}resources/dashboard/platform-versions.html"><img
+src="{@docRoot}images/icon_dashboard.png" style="padding:0" /></a></td>
                                       <td>
-                                              <h2 class="green">Watch</h2>
-                                              <object width="150" height="140"><param name="movie" value="http://www.youtube.com/v/N6YdwzAvwOA&hl=en&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/N6YdwzAvwOA&hl=en&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="150" height="140"></embed></object>
-                                              <p style="margin-top:1em"><a href="{@docRoot}videos/index.html">More Android videos &raquo;</a></p>
+                                              <h2 class="green">Target Devices</h2>
+                                              <p>The Device Dashboard
+provides information about deployed Android devices to
+help you target suitable device configurations as you build and update your
+apps.</p>
+                                              <p><a
+href="{@docRoot}resources/dashboard/platform-versions.html">Learn more &raquo;</a></p>
                                       </td>
                               </tr>
 

docs/html/resources/dashboard/platform-versions.jd

@@ -0,0 +1,79 @@
+page.title=Platform Versions
+@jd:body
+
+<style type="text/css">
+div.dashboard-panel {
+  max-width:928px;
+  margin:0 0 1em 0;
+  padding:20px 20px 0 20px;
+  border:1px solid #d3ecf5;
+  border-radius:7px;
+  -moz-border-radius:7px;
+  -webkit-border-radius:7px;
+  background-color: #DAF3FC;
+  box-shadow:2px 3px 1px #eee;
+  -moz-box-shadow:2px 3px 1px #eee;
+  -webkit-box-shadow:2px 3px 1px #eee;
+  overflow:hidden;
+}
+#jd-content div.dashboard-panel img {
+  margin:0 20px 20px 0;
+  padding:0;
+  border:1px solid #ccc;
+  float:left;
+}
+div.dashboard-panel table {
+  margin:0 0 20px 0;
+  float:left;
+  background-color:#fff;
+}
+div.dashboard-panel th {
+  white-space:nowrap;
+}
+</style>
+
+<p>This page provides data about the relative number of active devices
+running a given version of the Android platform. This can help you
+understand the landscape of device distribution and decide how to prioritize
+the development of your application features for the devices currently in the
+the hands of users.</p>
+
+<p class="note"><strong>Note:</strong> This data is based on the number
+of Android devices that have accessed Android Market within a 14-day period
+ending on the data collection date noted below.</p>
+
+<div class="dashboard-panel">
+
+<img alt="" width="400" height="250"
+src="http://chart.apis.google.com/chart?cht=p&chs=400x250&chd=t:0.3,27.7,54.2,2.9,14.8&chl=Android%201.1|Android%201.5|Android%201.6|Android%202.0|Android%202.0.1&chco=c4df9b,6fad0c" />
+
+<!-- f6faf2,a3c539 -->
+
+<table>
+<tr>
+  <th>Android Platform</th>
+  <th>Percent of Devices</th>
+</tr>
+<tr>
+  <td>Android 1.1</td>
+  <td>0.3%</td>
+</tr>
+<tr>
+  <td>Android 1.5</td>
+  <td>27.7%</td>
+</tr>
+<tr>
+  <td>Android 1.6</td>
+  <td>54.2%</td></tr>
+<tr>
+  <td>Android 2.0</td>
+  <td>2.9%</td>
+</tr>
+<tr>
+  <td>Android 2.0.1</td>
+  <td>14.8%</td>
+</tr>
+</table>
+</div>
+
+<p><em>Data collected during two weeks ending on 12/14/2009</em></p>

docs/html/resources/resources_toc.cs

@@ -19,6 +19,16 @@
     </ul>
   </li>
 
+  <li>
+    <h2><span class="en">Device Dashboard</span>
+    </h2>
+    <ul>
+      <li><a href="<?cs var:toroot ?>resources/dashboard/platform-versions.html">
+            <span class="en">Platform Versions</span>
+          </a>  <span class="new">new!</span></li>
+    </ul>
+  </li>
+
   <li>
     <h2><span class="en">Technical Articles</span>
     </h2>