JsonGetterActivity.java

package com.godoro.androidclients;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;


import org.json.JSONObject;

import java.io.*;
import java.net.*;


public class JsonGetterActivity extends Activity {

    private TextView outputView ;
    private String uri="http://echo.jsontest.com/id/123/name/Telefon";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_json_getter);
        outputView= (TextView) findViewById(R.id.outputView);
    }
    public void onClickDownload(View view) {
        Toast.makeText(this, "İndiriliyor", Toast.LENGTH_LONG).show();
        Runnable runnable=new Runnable() {

            public void run() {
                downloadContent();
            }
        };
        Thread thread=new Thread(runnable);
        thread.start();
    }
    private void downloadContent(){
        try {
            String content = get(uri);
            handleContent(content);
        } catch (Exception e) {
            handleException(e);
        }
    }
    private void handleContent(final String content) throws Exception{
        JSONObject object=new JSONObject(content);
        final String id=object.getString("id");
        final String name=object.getString("name");
        Runnable runnable=new Runnable() {

            public void run() {
                outputView.setText(" Kimlik : "+id+"\r\n"
                        +" Ad : "+name);
            }
        };
        runOnUiThread(runnable);

    }
    private void handleException(final Exception e){
        Runnable runnable=new Runnable() {

            public void run() {
                Log.e(e.getClass().getName(), e.getMessage());
                outputView.setText("HATA "+e.getClass().getName()+" "+e.getMessage());
            }
        };
        runOnUiThread(runnable);

    }
    private static String get(String address) throws IOException {
        URL url = new URL(address);
        URLConnection connection = url.openConnection();
        InputStream in = connection.getInputStream();
        String result = read(in);
        return result;
    }

    private static String read(InputStream in)
            throws  IOException {

        BufferedReader reader = new BufferedReader(new InputStreamReader(in));
        StringBuilder builder = new StringBuilder();
        String line = null;
        while ((line = reader.readLine()) != null) {
            builder.append(line).append("\r\n");
        }
        in.close();
        return builder.toString();
    }
}