Fetch the data from website using AsyncTask in Android

gistfile1.txt

<uses-permission android:name="android.permission.INTERNET"/>

HomeActivity.java

public class HomeActivity extends ActionBarActivity {

    String fetchurl = "http://www.vogella.com";
    TextView tvBasicView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_home);
        init();
        new ReadtheURlTask().execute(fetchurl);
    }

    private void init() {
        tvBasicView = (TextView) findViewById(R.id.tvBasicTextView);
    }

    private class ReadtheURlTask extends AsyncTask<String,Void,String>{


        @Override
        protected String doInBackground(String... strings) {
            String response = "";
            for (String url : strings) {
                DefaultHttpClient client = new DefaultHttpClient();
                HttpGet httpGet = new HttpGet(url);
                try {
                    HttpResponse execute = client.execute(httpGet);
                    InputStream content = execute.getEntity().getContent();

                    BufferedReader buffer = new BufferedReader(new InputStreamReader(content));
                    String s = "";
                    while ((s = buffer.readLine()) != null) {
                        response += s;
                    }

                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
            return response;
        }

        @Override
        protected void onPostExecute(String result) {
            tvBasicView.setText(result);
        }
    }
}