Imanol-Mikel Barba Sabariego / upcnews · Files

package com.upc.pbe.upcnews;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;

import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.Toast;

public class Descarrega extends AsyncTask<URL, Integer, String> {

	final static String TAG = "Descarrega";
	private Context ctx;

	boolean failed = false;

	public Descarrega(Context c) {

		ctx = c;
	}

	@Override

	protected String doInBackground(URL... urls) {
		// Codi de la tasca en background

		String html = "";

		// Iniciem la connexió i creem els Streams

		try {

			URLConnection conn = urls[0].openConnection();

			BufferedReader in = new BufferedReader(new InputStreamReader(
					conn.getInputStream()));
			// Iniciem la descarrega, anem guardant al String i actualitzant la
			// barra de progrés

			int totalLength = conn.getContentLength();

			String inputLine;

			Log.d(TAG, "\nDescarregant: \n");

			Log.d(TAG, ">> URL: " + urls[0] + " >> Tamany: " + totalLength
					+ " bytes");

			while ((inputLine = in.readLine()) != null) {

				html += inputLine + "\n";
			}
			in.close();
			Log.d(TAG, "Descarrega finalitzada");

		} catch (IOException e) {

			failed = true;
			return urls[0].toString();

		}
		return html;

	}

	protected void onPostExecute(String url) 
	 {
		if(failed)
		{
			failed = false;
			this.cancel(true);
			Toast.makeText(ctx, "No s'ha pogut connectar a " + url, Toast.LENGTH_LONG).show();
		}
	}

}