ADTr20 doesnt get installed in my eclipse
<p>I have updated my android sdk to sdkr20, before i used r16 and my eclipse version is </p>

<p>Version: Indigo Service Release 1
Build id: 20110916-0149</p>

<p>but when I try to install ADTr20 it doesnt get installed and says</p>

<pre><code>Cannot complete the install because one or more required items could not be found.
  Software being installed: Android Native Development Tools 20.0.0.v201206242043-391819 (com.android.ide.eclipse.ndk.feature.group 20.0.0.v201206242043-391819)
</code></pre>

<p>What should I do now?</p>
