How to attach source or JavaDoc in eclipse for any jar file e.g. JavaFX?

Question

Presently I\'m working with JavaFX. Whenever I hover over a method of JavaFX its gives me the following error:

\'Note: This element neither has attached sourc

Answer 1

Neither Project/Properties/Javadoc Location nor Project/Properties/Java Build Path/Libraries had not helped me until I picked and moved up in "Order and Export" tab of "Java Build Path" "Android Dependencies" and added-in-library.jar. I hope it will be useful.