how can I open a screen in flex, swf, by a menu primefaces? I tried to open a file inside with pure html and it worked, but failed to open within a file tagged < ui:composition>
Use Primeface's Media tag to load swf. have a look at primefaces showcase
<p:media value="http://www.youtube.com/v/KZnUr8lcqjo" width="420" height="315" player="flash"/>
https://www.primefaces.org/showcase/ui/multimedia/media.xhtml