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

public class TestActivity extends Activity implements OnClickListener{
    /** Called when the activity is first created. */
  TextView Text1;
  Button button1;
  
    
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        button1 = (Button)findViewById(android.R.id.button1);
        button1.setOnClickListener(this);
        
    }



    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        
        URL url_;
        try {
            url_ = new URL("http://www.google.de");
            URLConnection conn = url_.openConnection();
            DataInputStream in = new DataInputStream ( conn.getInputStream (  )  ) ;
            BufferedReader d = new BufferedReader(new InputStreamReader(in, "iso-8859-15"));
            String content = "";
            while(d.ready())
            {
            content += d.readLine();
            Text1.setText(content.toString());
            
            }
        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
            

    
        
    }
}

button1 = (Button)findViewById(android.R.id.button1);

Text1.setText(content.toString());