Android - Leer un fichero de internet.

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLConnection;

public static String getContenidoUrl(String url) {

    String contents ="";

    try {

        URLConnection conn = new URL(url).openConnection();

        InputStream in = conn.getInputStream();

        contents = convertStreamToString(in);

    } catch (MalformedURLException e) {

        Log.v("MALFORMED URL EXCEPTION");

    } catch (IOException e) {

        Log.e(e.getMessage(), e);

    }

    return contents;

}

protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		  String contents ="";

		  EditText t = (EditText)findViewById(R.id.editText1);

		  t.setText("probando");

		  try {

			   URLConnection conn = new URL("http://www.android.com/").openConnection();

		        InputStream in = conn.getInputStream();

		        contents = readStream(in);

		    } catch (MalformedURLException e) {

		        Log.w("","MALFORMED URL EXCEPTION");

		    } catch (IOException e) {

		        Log.w(e.getMessage(), e);

		    }

		  t.setText(" mas.." + contents + "final");

	}