send json object using http post method for android application
<p>i am trying to send JSON object to my php webservice.</p>

<p>I have referred this url :- <a href="http://www.josecgomez.com/2010/04/30/android-accessing-restfull-web-services-using-json/" rel="nofollow">http://www.josecgomez.com/2010/04/30/android-accessing-restfull-web-services-using-json/</a></p>

<p>In my web service,  I have to pass username and password but i don't know, </p>

<p>what is the  GSON. can you tell why GSON use in this.????</p>

<p>I am new in json. if you know about json please guide me to solve this problem.</p>
