HAHA

package com.example.jsoup1;

import java.io.IOException;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity {
    String url = "http://dantri.com.vn/chuyen-la.rss";
    ProgressDialog dialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button btten = (Button) findViewById(R.id.btten);
        btten.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View arg0) {
                // TODO Auto-generated method stub
                new Title().execute();
            }
        });
    }

    public class Title extends AsyncTask<Void, Void, Void> {
        String title;
        @Override
        protected Void doInBackground(Void... params) {
            // TODO Auto-generated method stub
            try {
                Document document = Jsoup.connect(url).get();
                title = document.title();
            } catch (IOException e) {
                // TODO: handle exception
                e.printStackTrace();
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            // TODO Auto-generated method stub
            TextView tv = (TextView)findViewById(R.id.tvten);
            tv.setText(title);
            dialog.dismiss();
//          super.onPostExecute(result);
        }

        @Override
        protected void onPreExecute() {
            // TODO Auto-generated method stub
            super.onPreExecute();
            dialog = new ProgressDialog(MainActivity.this);
            dialog.setTitle("Hoang Anh");
            dialog.setMessage("Loading... ");
            dialog.setIndeterminate(false);
            dialog.show();
        }

    }
}