Problem installing the ADT Plugin for Eclipse
<p>I am trying to build an Android development environment on my PC. But I'm encountering some problems, and desperately need help.
Operating System: <strong>Windows 7 (64 bit)</strong><br>
Installed components:</p>

<ul>
<li>Android SDK  (installer_r12-windows) </li>
<li>Eclipse Classic 3.7 for Windows 64 bit </li>
</ul>

<p>I am trying to install the ADT Plugin for Eclipse but I'm having some trouble with it.
I tried following the instructions listed on the official site (http://developer.android.com/sdk/eclipse-adt.html) but without success.
I first tried setting the location for the new repository to </p>

<p><a href="https://dl-ssl.google.com/android/eclipse/" rel="nofollow">https://dl-ssl.google.com/android/eclipse/</a></p>

<p>as suggested, but I got the following error message:</p>

<blockquote>
  <p>Unable to connect to repository
  <a href="https://dl-ssl.google.com/android/eclipse/content.xml" rel="nofollow">https://dl-ssl.google.com/android/eclipse/content.xml</a></p>
</blockquote>

<p>(I tried using "http" instead of "https" but got the same results).</p>

<p>I then tried as suggested to download the ADT Plugin zip file, and set the location of the new repository to the local copy I downloaded. But, this time I couldn't go through with the installation because 'Android DDMS' caused the following problem:</p>

<blockquote>
  <p>Cannot complete the install because one or more required items could
  not be found.   Software being installed: Android Development Tools
  12.0.0.v201106281929-138431 (com.android.ide.eclipse.adt.feature.group
  12.0.0.v201106281929-138431)</p>
</blockquote>

<p>Can someone help?</p>
