Android TextView set text

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;

public class Main extends Activity {
   private TextView textView;
   @Override/*from ww w .  j  a  v a2  s.c  om*/
   public void onCreate(Bundle savedInstanceState) {
      String displayText = null;
      super.onCreate(savedInstanceState);

      setContentView(1);// R.layout.displayinformation

      Intent startingIntent = getIntent();

      if (startingIntent != null) {
         Bundle b = startingIntent.getBundleExtra("android.intent.extra.INTENT");
         if (b == null) {
            displayText = "No data.";
         } else {
            displayText = b.getString("name") + ",\n\n";
            displayText += "You are a " + b.getString("level") + "\n\n";
            displayText += "Android developer.\n";
         }
      } else {
         displayText = "Information Not Found.";
      }
      textView = (TextView) this.findViewById(0);// R.id.displaytext
      textView.setText(displayText);
   }
}