ListViewフォントサイズの変更

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class AndroidListViewActivity extends Activity {
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  
   String[] data = {"太陽", "水星", "金星"};
  
  ArrayAdapter<String> adapter = new ArrayAdapter<String>(this
             , android.R.layout.simple_list_item_1, data ) {
    
   @Override
            public View getView(int position, View convertView, ViewGroup parent) {
                TextView view = (TextView)super.getView(position, convertView, parent);
                view.setTextSize( 30 );
                return view;
            }
  };
  
  ListView listView = (ListView) findViewById(R.id.listView1);
  
  // アダプターを設定します
  listView.setAdapter(adapter);
 }
}