Parsing JSON using Gson-1.6.jar

Package Com.example.mars_2900_json01;import Java.io.stringreader;import Java.lang.reflect.type;import Java.util.iterator;import Java.util.linkedlist;import Com.google.gson.gson;import Com.google.gson.reflect.typetoken;import Com.google.gson.stream.jsonreader;public class JsonUtils {public static void Parsejson (String jsondata) {try {///If you need to parse JSON data, first generate a Jsonreader object//"[{\" name\ ": \" M Ichael\ ", \" age\ ": 20},{\" name\ ": \" mike\ ", \" age\ ": Up}]" Jsonreader reader = new Jsonreader (New StringReader (Jsond            ATA));                Reader.beginarray ();//Start parsing array while (Reader.hasnext ()) {reader.beginobject ();//Start parsing objects                    while (Reader.hasnext ()) {String tagName = Reader.nextname ();                    if (tagname.equals ("name")) {System.out.println ("Name--->" + reader.nextstring ()); } else if (Tagname.equals ("Age")) {System.out.println ("aGE---> "+ reader.nextint ());            }} reader.endobject ();        } reader.endarray ();        } catch (Exception e) {e.printstacktrace ();        }} public static void Parseuserfromjson (String jsondata) {Gson Gson = new Gson ();        User user = Gson.fromjson (jsondata, User.class);        SYSTEM.OUT.PRINTLN ("Name--->" + user.getname ());    System.out.println ("Age---->" + user.getage ()); public static void Parseuserlistfromjson (String jsondata) {Type ListType = new typetoken<linkedlist<        User>> () {}.gettype ();        Gson Gson = new Gson ();        linkedlist<user> users = Gson.fromjson (Jsondata, ListType); for (Iterator Iterator = Users.iterator (); Iterator.hasnext ();)            {User user = (user) iterator.next ();            SYSTEM.OUT.PRINTLN ("Name--->" + user.getname ());        System.out.println ("Age---->" + user.getage ());   } }} 

Package Com.example.mars_2900_json01;import Android.support.v7.app.actionbaractivity;import Android.support.v7.app.actionbar;import Android.support.v4.app.fragment;import Android.os.Bundle;import Android.view.layoutinflater;import Android.view.menu;import Android.view.menuitem;import Android.view.View;import Android.view.viewgroup;import Android.view.view.onclicklistener;import Android.widget.button;import Android.os.build;public class Mainactivity extends Actionbaractivity {private String jsondata = "[{\" name\ ": \" michael\    ", \" age\ ": 20},{\" name\ ": \" mike\ ", \" age\ ": 21}]";    Private String jsonData2 = "{\" name\ ": \" json\ ", \" age\ ": 21}";    Private button button;        @Override protected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);        Setcontentview (R.layout.activity_main);        Button = (button) Findviewbyid (R.id.buttonid);    Button.setonclicklistener (New Buttonlistener ()); } Private class Buttonlistener implements OnclicklistenER {@Override public void OnClick (View v) {Jsonutils.parsejson (jsondata);            Jsonutils.parseuserfromjson (JSONDATA2);                    Jsonutils.parseuserlistfromjson (Jsondata); }} @Override public boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu, this adds items to the        Action Bar if it is present.        Getmenuinflater (). Inflate (R.menu.main, menu);    return true; } @Override public boolean onoptionsitemselected (MenuItem Item) {//Handle Action Bar item clicks here.  The action bar would//automatically handle clicks on the Home/up button, so long/As you specify a parent        Activity in Androidmanifest.xml.        int id = item.getitemid ();        if (id = = r.id.action_settings) {return true;    } return super.onoptionsitemselected (item);     }/** * A placeholder fragment containing a simple view. */public static class PlaceholderfragmentExtends Fragment {public placeholderfragment () {} @Override public View Oncreateview (Layouti Nflater inflater, ViewGroup container, Bundle savedinstancestate) {View Rootview = Inflater.inf            Late (R.layout.fragment_main, container, false);        return rootview; }    }}

Parsing json with Gson-1.6.jar