单击ListItem时如何进入另一个活动？每个列表项都需要进行不同的活动。在这里我到目前为止

Question

这是我的代码，当点击项目0（＆＃34;字母＆＃34;）时，我需要去TESTCLASS，当点击列表项目1（＆＃34;数字＆＃34;）时，我需要去TESTCLASS1。列表项存储在名为LesssonCategories的2D数组中。请帮忙。先谢谢你。

    import android.app.Activity;
    import android.content.Intent;
    import android.os.Bundle;
    import java.util.ArrayList;
    import java.util.HashMap;

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

    public class Lesson extends ListActivity {

        //ArrayList holds the data (as HashMaps) to load into the ListView
        ArrayList<HashMap<String,String>> list = new ArrayList<HashMap<String,String>>();
        //SimpleAdapter does the work to load the data in to the ListView
        private SimpleAdapter sa;
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.lesson_layout);

            //HashMap links each line of data to the correct TextView
            HashMap<String,String> item;
            for(int i=0;i<LesssonCategories.length;i++){
                item = new HashMap<String,String>();
                item.put( "line1", LesssonCategories[i][0]);
                item.put( "line2", LesssonCategories[i][1]);
                list.add( item );
            }

            sa = new SimpleAdapter(this, list,
            R.layout.lesson_two_lines,
            new String[] { "line1","line2" },
            new int[] {R.id.line_a, R.id.line_b});

            setListAdapter(sa);
        }

        private String[][] LesssonCategories =
                {{"Alphabets","Abjad"},
                {"Numbers","Angka"},
                {"Colours","Warna"},
                {"Day","Hari"},
                {"Month","Bulan"},
                {"Time","Masa"},
                {"Questions","Kata Tanya"},
                {"Family","Keluarga"},
                {"Home","Rumah"},
                {"Race & Religion","Bangsa & Agama"},
                {"Festivals","Perayaan"},
                {"Animals","Haiwan"},
                {"Food & Drink","Makanan & Minuman"},
                {"Clothes","Pakaian"},
                {"Building","Bangunan"},
                {"School","Sekolah"},
                {"Feelings","Perasaan"},
                {"Greetings","Ucapan"},
                {"Malaysia States","Negeri dalam Malaysia"},
                {"State Capitals","Ibu Negeri"}};


        protected void onListItemClick(ListView listView, View view, int position, long        id) {
            switch( position )
            {
                case 0:  Intent newActivity0 = new Intent(this, TESTCLASS.class);
                startActivity(newActivity0);
                    break;
                case 1:  Intent newActivity1 = new Intent(this, TESTCLASS.class);
                    startActivity(newActivity1);
                    break;
                case 2:  Intent newActivity2 = new Intent(this, TESTCLASS.class);
                    startActivity(newActivity2);
                    break;
            }
        }
    }