android - How to make the JAVA interface being "implements" by other class after exporting as JAR? -

android - How to make the JAVA interface being "implements" by other class after exporting as JAR? -

i’m building app using java/eclipse, , app contains custom event , listener, means have defined interface, event, event source(the class triggers event), event handler(the class “implements” interface , handles event) in android project. works fine in own app. however, want create source code .jar other source project can import it. i’m trying making project imports .jar can see , “implements” interface, receive event , handles event .jar own method . don’t know how , if there’s simple sample code or guide appreciated.

try: right click project --> export --> java --> jar file

java android eclipse jar