Doc change: Add revision notes for Android 2.2_r2 development platform. Fix some umappable characters in WebView class doc.

Change-Id: I5522406335fbf96164a5b812ec4891c499343d1e

Author: ddougherty

core/java/android/webkit/WebView.java

@@ -236,14 +236,14 @@
  *
  * <h3>Building web pages to support different screen densities</h3>
  *
- * <p>The screen density of a device is based on the screen resolution. A screen with low density
- * has fewer available pixels per inch, where a screen with high density
- * has more — sometimes significantly more — pixels per inch. The density of a
+ * <p>A screen's density is based on it's screen resolution and physical size. A screen with low
+ * density has fewer available pixels per inch, where a screen with high density
+ * has more -- sometimes significantly more -- pixels per inch. The density of a
  * screen is important because, other things being equal, a UI element (such as a button) whose
  * height and width are defined in terms of screen pixels will appear larger on the lower density
- * screen and smaller on the higher density screen.
- * For simplicity, Android collapses all actual screen densities into three generalized densities:
- * high, medium, and low.</p>
+ * screen and smaller on the higher density screen. For simplicity, Android collapses all
+ * actual screen densities into three generalized densities:high, medium, and low. </p>
+ *
  * <p>By default, WebView scales a web page so that it is drawn at a size that matches the default
  * appearance on a medium density screen. So, it applies 1.5x scaling on a high density screen
  * (because its pixels are smaller) and 0.75x scaling on a low density screen (because its pixels

docs/html/sdk/android-2.2.jd

@@ -2,7 +2,6 @@ page.title=Android 2.2 Platform
 sdk.platform.version=2.2
 sdk.platform.apiLevel=8
 sdk.platform.majorMinor=minor
-sdk.platform.deployableDate=May 2010
 
 @jd:body
 
@@ -116,6 +115,30 @@ function toggleDiv(link) {
 </style>
 
 <div class="toggleable opened">
+  <a href="#" onclick="return toggleDiv(this)">
+        <img src="{@docRoot}assets/images/triangle-opened.png" class="toggle-img" height="9px" width="9px" />
+        Android {@sdkPlatformVersion}, Revision 2</a> <em>(July 2010)</em></a>
+  <div class="toggleme">
+<dl>
+<dt>Dependencies:</dt>
+<dd>
+<p>Requires SDK Tools r6 or higher.</p>
+</dd>
+
+<dt>System Image:</dt>
+<dd>
+<ul>
+<li>Adds default Search Widget.</li>
+<li>Includes proper provisioning for the platform's Backup Manager. For more information about how to use the Backup Manager, see <a href="{@docRoot}guide/topics/data/backup.html">Data Backup</a>.</li>
+<li>Updates the Android 2.2 system image to FRF91.</li>
+</ul>
+</dd>
+
+</dl>
+ </div>
+</div>
+
+<div class="toggleable closed">
   <a href="#" onclick="return toggleDiv(this)">
         <img src="{@docRoot}assets/images/triangle-opened.png" class="toggle-img" height="9px" width="9px" />
         Android {@sdkPlatformVersion}, Revision 1</a> <em>(May 2010)</em></a>
@@ -135,7 +158,6 @@ function toggleDiv(link) {
  </div>
 </div>
 
-
 <h2 id="api-level">API Level</h2>
 
 <p>The Android {@sdkPlatformVersion} platform delivers an updated version of