Introduction - If you have any usage issues, please Google them yourself
AS novice easily because the listener a global event, but forgot to release and lead to memory leaks. The event bus mechanism provides an idea of a global management event listener, all listening event that a method can be freed for the object. Code contains detailed notes, the equivalent of a full API, another interested person can add not only the type of event they need to modify their habits more use and can be more, release more convenient