Downloading and displaying file doesn't work

1URL url = new URL("http://192.168.20.42/temp/filelist.xml");
2 urlConnection = (HttpURLConnection) url.openConnection();
3 //InputStream in = new BufferedInputStream(urlConnection.getInputStream());
4 BufferedReader r = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
5
6 StringBuilder total = new StringBuilder();
7 String line;
8 while ((line = r.readLine()) != null) {
9 total.append(line);
10 }
11 EditText text = (EditText) findViewById(R.id.editText1);
12 text.setText(total);
13 }catch(IOException e)
14 {
15
16 }
17 finally {
18 urlConnection.disconnect();
19 }