w for the notification.
<DT><B>Throws:</B>
<DD><CODE><A target="_top" HREF="http://developer.android.com/reference/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the channel name is not valid.</DL>
</DD>
</DL>
<HR>

<A NAME="unsubscribe(android.content.Context, java.lang.String)"><!-- --></A><H3>
unsubscribe</H3>
<PRE>
public static void <B>unsubscribe</B>(<A target="_top" HREF="http://developer.android.com/reference