how to use global Event listener?

Question

hi, i want to communicate between two applications, whenever blackberry messenger is open then at that time my application can notified that,this blackberry messenger is started.

how could i do with the use of global event listener..

thanks a lot.

Answer 1

Have you read this primer here

http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/800620/What_Is_-_Global_Events_and_Global_Event_Listeners.html?nodeid=800527&vernum=0