#ANDROID - JSON Parse (ayrıştırma) İşlemi

package com.example.jsonparsing1;
 
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.List;
 
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

public class ServiceHandler {

 static String response = null;
    public final static int GET = 1;
    public final static int POST = 2;
 
    public ServiceHandler() {
 
    }
 
    /**
     * Making service call
     * @url - url to make request
     * @method - http request method
     * */
    public String makeServiceCall(String url, int method) {
        return this.makeServiceCall(url, method, null);
    }
 
    /**
     * Making service call
     * @url - url to make request
     * @method - http request method
     * @params - http request params
     * */
    public String makeServiceCall(String url, int method,
            List<NameValuePair> params) {
        try {
            // http client
            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpEntity httpEntity = null;
            HttpResponse httpResponse = null;
             
            // Checking http request method type
            if (method == POST) {
                HttpPost httpPost = new HttpPost(url);
                // adding post params
                if (params != null) {
                    httpPost.setEntity(new UrlEncodedFormEntity(params));
                }
 
                httpResponse = httpClient.execute(httpPost);
 
            } else if (method == GET) {
                // appending params to url
                if (params != null) {
                    String paramString = URLEncodedUtils
                            .format(params, "utf-8");
                    url += "?" + paramString;
                }
                HttpGet httpGet = new HttpGet(url);
 
                httpResponse = httpClient.execute(httpGet);
 
            }
            httpEntity = httpResponse.getEntity();
            response = EntityUtils.toString(httpEntity);
 
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
         
        return response;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="10dp"
    android:paddingLeft="10dp"
    android:paddingRight="10dp" >
 
    <!-- Name Label -->
 
    <TextView
        android:id="@+id/name"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:paddingBottom="2dip"
        android:paddingTop="6dip"
        android:textColor="#43bd00"
        android:textSize="16sp"
        android:textStyle="bold" />
 
    <!-- Email label -->
    <TextView
        android:id="@+id/email"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:paddingBottom="2dip"
        android:textColor="#acacac" />
 
    <!-- Mobile number label -->
    <TextView
        android:id="@+id/mobile"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="left"
        android:text="Mobile: "
        android:textColor="#5d5d5d"
        android:textStyle="bold" />
 
</LinearLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical">
    <!-- Main ListView 
         Always give id value as list(@android:id/list)
    -->
    <ListView
        android:id="@android:id/list"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"/>
 
</LinearLayout>

package com.example.jsonparsing1;

import java.util.ArrayList;
import java.util.HashMap;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ListActivity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;


public class MainActivity extends ListActivity {

 private ProgressDialog pDialog;
  
    // URL to get contacts JSON
    private static String url = "http://minibusyollari.com/MinibusApi/";
 
    // JSON Node names
    private static final String TAG_HATLAR = "hatlar";
    private static final String TAG_ID = "id";
    private static final String TAG_NAME = "name";
    private static final String TAG_URL = "url";
 
    // contacts JSONArray
    JSONArray contacts = null;
 
    // Hashmap for ListView
    ArrayList<HashMap<String, String>> contactList;
 
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        contactList = new ArrayList<HashMap<String, String>>();
 
        ListView lv = getListView();
     // Calling async task to get json
        new GetContacts().execute();
    }
 
    /**
     * Async task class to get json by making HTTP call
     * */
    private class GetContacts extends AsyncTask<Void, Void, Void> {
 
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            // Showing progress dialog
            pDialog = new ProgressDialog(MainActivity.this);
            pDialog.setMessage("Lütfen bekleyin...");
            pDialog.setCancelable(false);
            pDialog.show();
 
        }
 
        @Override
        protected Void doInBackground(Void... arg0) {
            // Creating service handler class instance
            ServiceHandler sh = new ServiceHandler();
 
            // Making a request to url and getting response
            String jsonStr = sh.makeServiceCall(url, ServiceHandler.GET);
 
            Log.d("Response: ", "> " + jsonStr);
 
            if (jsonStr != null) {
                try {
                    JSONObject jsonObj = new JSONObject(jsonStr);
                     
                    // Getting JSON Array node
                    contacts = jsonObj.getJSONArray(TAG_HATLAR);
 
                    // looping through All Contacts
                    for (int i = 0; i < contacts.length(); i++) {
                        JSONObject c = contacts.getJSONObject(i);
                         
                        String id = c.getString(TAG_ID);
                        String name = c.getString(TAG_NAME);
                        String url = c.getString(TAG_URL);
 
                        // tmp hashmap for single contact
                        HashMap<String, String> contact = new HashMap<String, String>();
 
                        // adding each child node to HashMap key => value
                        contact.put(TAG_ID, id);
                        contact.put(TAG_NAME, name);
                        contact.put(TAG_URL, url);
 
                        // adding contact to contact list
                        contactList.add(contact);
                    }
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            } else {
                Log.e("ServiceHandler", "Bu url'de veri yok.");
            }
 
            return null;
        }
 
        @Override
        protected void onPostExecute(Void result) {
            super.onPostExecute(result);
            // Dismiss the progress dialog
            if (pDialog.isShowing())
                pDialog.dismiss();
            /**
             * Updating parsed JSON data into ListView
             * */
            ListAdapter adapter = new SimpleAdapter(
                    MainActivity.this, contactList,
                    R.layout.list_item, new String[] { TAG_ID, TAG_NAME,
                            TAG_URL }, new int[] { R.id.name,
                            R.id.email, R.id.mobile });
 
            setListAdapter(adapter);
        }
 
    }

}