. The
priority is designated by a signed 32-bit integer.
The higher the number, the higher the priority.
All listeners with priority <em>n</em> are processed
before listeners of priority <em>n</em>-1. If two or
more listeners share the same priority, they are
processed in the order in which they were added.
The default priority is 0.</p></td></tr><tr><th style="width:25%;"><code>useWeakReference</code></th><td><p>Determines whether the reference to the listener
is strong or weak. A strong reference(the
defa