ListView 按下去 切換頁面

不好意思，問一個簡單的問題 ..

要怎麼能夠按下第一個list 換頁到page1

按下第二個list 換頁到page2

按下第三個list 換頁到page3

package tw.brad.android;

import java.util.ArrayList;
import java.util.HashMap;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;

public class HotB extends Activity implements OnItemClickListener{
/** Called when the activity is first created. */
private ArrayList> list;
private String[][] items = new String[][]{
{"第0個","number0"},
{"第1個","number1"},
{"第2個","number2"},
{"第3個","number3"},
};
private SimpleAdapter adapter;
private ListView lv;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

list = new ArrayList>();
for (int i = 0; i < items.length; i++){
HashMap map = new HashMap();
map.put("tv1", items[i][0]);
map.put("tv2", items[i][1]);
list.add(map);
}
adapter = new SimpleAdapter(this, list, R.layout.menuitem, new String[]{"tv1", "tv2"},new int[] {R.id.tv1, R.id.tv2});
lv = (ListView)findViewById(R.id.lv);
lv.setAdapter(adapter);
lv.setOnItemClickListener(this);
}

public void onItemClick(AdapterView arg0, View arg1,int arg2, long arg3) {
//Toast.makeText(this, "選中第" +arg2+ "個",4000).show();
}
}

==============================================================

紅色這邊  要怎麼寫

我知道Button 是

Button button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new Button.OnClickListener()
{
public void onClick(View v)
{

Intent intent_button1 = new Intent();
intent_button1.setClass(abced.this,a1.class);
startActivity(intent_button1);
}

});

那List 怎寫 .. 想好久