Service_HTTP_URL.java

package com.example.hassansbeity.testingsevices;

import android.app.IntentService;
import android.content.Intent;
import android.support.annotation.Nullable;
import android.util.Log;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;

/**
 * Created by hassansbeity on 4/23/17.
 * Service_HTTP_URL: Retrieve an HTML page from the internet and store it locally
 */

public class Service_HTTP_URL  extends IntentService{

    public static final String CONSTANT_COM="com.Sbeyti.URL";
    public Service_HTTP_URL(){super("'HTTP_URL");}
    @Override
    protected void onHandleIntent(@Nullable Intent intent) {

        Log.v("ServiceStatus","Service Started");

        final String message= intent.getStringExtra("data");
        Thread thread = new Thread(new Runnable() {
            public void run() {
                // do the work that the service needs to do
                doInBackground();
                Intent backIntent= new Intent();
                backIntent.putExtra("data",message+" Back from Service");
                backIntent.setAction(CONSTANT_COM);
                sendBroadcast(backIntent);
            }
        });
        thread.start();
    }

    public void doInBackground() {
        URL url;
        HttpURLConnection urlConnection = null;
        File myFile=null;
        PrintWriter pr=null;
        try {
            url = new URL("http://www.android.com/");
            Log.v("ServiceStatus","Trying to Connect");

           urlConnection = (HttpURLConnection) url.openConnection();
            Log.v("ServiceStatus","Connected");

           InputStream in = urlConnection.getInputStream();

            InputStreamReader isw = new InputStreamReader(in);

           try {
               myFile = new File(getFilesDir()+"/dataRecieved.txt");
               pr = new PrintWriter(myFile);
            }catch(IOException e){
                Log.v("ServiceStatus",e.getMessage());
            }
            int data = isw.read();
            Log.v("ServiceStatus","downloading");
            while (data != -1) {
                char current = (char) data;
                data = isw.read();
               pr.print(current);
            }
        } catch (Exception e) {
            Log.v("ServiceStatus",e.getMessage());
        } finally {
            if (urlConnection != null) {
                urlConnection.disconnect();
                pr.close();
           }
       }

    }
}