Android post JSON to web service php and recieving JSON from service

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http://stackoverflow.com – Im trying to write a login service in the android by sending JSON to the web service i have in PHP after its processed in the web service JSON is returned back. My problem is sending JSON and then reading JSON in the android app. I have figured out basic posting in the app using ASyncTask but im not sure where to go from there, iv been doing a lot of searching on this and im kind of stumped right now. Any help is very appreciated! Heres my .java file package com.example.logintest; import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.net.UR (HowTos)