DownloadIntentService

package com.sajmon.imagedownload;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.app.IntentService;
import android.content.Intent;
import android.os.Bundle;
import android.os.ResultReceiver;

public class DownloadService extends IntentService {

    protected final byte[] BUFFER = new byte[1024];
    protected static final int PROGRESS_UPDATE = 1345;

    public DownloadService() {
        super("DownloadService");
    }

    protected void onHandleIntent(Intent intent) {
        String urlLink = intent.getStringExtra("url");
        ResultReceiver receiver = intent.getParcelableExtra("receiver");
        HttpURLConnection con = null;
        InputStream input = null;
        long contentLength;
        long total = 0;
        int downloaded = 0;
        long start = 0, end = 0;
        start = System.currentTimeMillis();
        try {
            URL url = new URL(urlLink);
            con = (HttpURLConnection) url.openConnection();
            con.connect();
            if (con.getResponseCode() == HttpURLConnection.HTTP_OK) {
                contentLength = con.getContentLength();
                input = con.getInputStream();
                while ((downloaded = input.read(BUFFER)) != -1) {
                    total += downloaded;
                    Bundle data = new Bundle();
                    data.putInt("progress", (int) (total * 100 / contentLength));
                    //publishing progress
                    receiver.send(PROGRESS_UPDATE, data);
                }
                end = System.currentTimeMillis();
                Bundle data = new Bundle();
                data.putInt("progress", 100);
                data.putLong("time", end - start);
                receiver.send(PROGRESS_UPDATE, data);
            }
        }
        catch (MalformedURLException e) {
            e.printStackTrace();
        }
        catch (IOException e) {
            e.printStackTrace();
        }
        finally {
            if (input != null) {
                try {
                    input.close();
                }
                catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (con != null) {
                con.disconnect();
            }
        }
    }
}