Email extractor app!

Hey, I am trying to build an email extractor in java.

Step 1. I have already imported my facebook sdk to android. Step 2. How to input the facebook groups link. Step 3. How to code output what contains 1row email adress 2nd row first name 3rd name surname separated by commas ","?

Sorry i can not help you

Looks like you're just asking for all the steps to building an extractor.