title: Event Bus Register And Unregister in Application Class
body: <p>Should i register and unregister the event bus in application class? If yes then where should i register and unregister it?</p>
  
  <p>Once Register of event bus is done in application class then should i need to register the event bus in suscriber class? </p>
  
  <p>Is there any problem occurs if i put some methods in Application class as a suscriber methods?</p>