List_View.java
package com.Most_It;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.widget.BaseAdapter;
import android.widget.SimpleAdapter;
public class TodoList {
 public BaseAdapter Adapter = null; //ADAPTER 객체 생성
 private ArrayList<HashMap <String, String> > _DataSource = new ArrayList<HashMap <String, String> > ();
 private SQLiteDatabase _DB = null; //SQLite을 사용하기 위한 객체 생성
 private Activity _Activity = null; //Main ACTIVITY 의미하는 ACTIVITY 객체 생성
 private String msg = null;
 
 public TodoList(Activity  AActivity) {
  super();
  _Activity = AActivity;  
  _DB = _Activity.openOrCreateDatabase("Natest", Context.MODE_PRIVATE, null);
  //_DB.execSQL("Create Table IF NOT EXISTS List (Num Integer Primary Key AUTOINCREMENT, Message varchar, Date varchar)");
  _DB.execSQL("Create Table IF NOT EXISTS List ( Message varchar, Date varchar)");
  
  Adapter = new SimpleAdapter (
    _Activity, _DataSource, android.R.layout.simple_list_item_2,
    //new String[] {"SN", "Title"},
    new String[] {"Message", "Date"},
    new int[] { android.R.id.text1, android.R.id.text2 }
  );
  
  Refresh();
 }
 //SN필드의 마지막 레코드 값을 가져오기 위한 함수
 /*public int getLastRowId() {
  Cursor _Cursor = _DB.rawQuery("Select last_insert_rowid() from List", null);
  if(_Cursor.moveToFirst()){ 
   return _Cursor.getInt(0); //첫번째 필드를 가져옴
  }else{
   return -1;
  }
 }*/
 
 public void Append(String text) { 
  Calendar calendar = Calendar.getInstance();
  String stime = String.format("%d년 %d월 %d일 %d시 %d분 %d초", 
    calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DATE),
    calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), calendar.get(Calendar.SECOND));
 
  _DB.execSQL("Insert into List values ('"+text+"', '"+stime+"')");
  
  //Hashmap으로 값저장
  HashMap<String, String> _Item = new HashMap<String, String> ();
  //_Item.put("SN", Integer.toString(getLastRowId()));
  _Item.put("Message", text);
  _Item.put("Date", stime);
  
  _DataSource.add(_Item);
  Adapter.notifyDataSetChanged(); //값이 변경되면 UI에 바로 적용
 } 
 //Refresh
 
 //DB에 있는 DATA를 LISTVIEW로 출력해주기 위해 DATA를 가져오는 함수
 public void Refresh() {
  Cursor _Cursor = _DB.rawQuery("Select * from List", null);  
  if (_Cursor.moveToFirst()) {
   do{ 
    HashMap<String, String> _Item = new HashMap<String, String> ();
    //_Item.put("SN", _Cursor.getString(0).toString());
    //_Item.put("Title", _Cursor.getString(1).toString());
    _Item.put("Message", _Cursor.getString(0).toString());
    _Item.put("Date", _Cursor.getString(1).toString());    
    _DataSource.add(_Item);
    
   }while (_Cursor.moveToNext()); //레코드끝까지 커서 이동
  }
  Adapter.notifyDataSetChanged(); //값이 변경되면 UI에 바로 적용
 }
 
}


TodiList.java
package com.Most_It;
//import com.Most_It.R;
import com.Most_It.TodoList;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.AdapterView.OnItemClickListener;
import android.app.*;
import android.database.sqlite.SQLiteDatabase;
import android.view.View.OnClickListener;
/*
import java.util.ArrayList;
import java.util.HashMap;
import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.widget.BaseAdapter;
import android.widget.SimpleAdapter;
 */
public class List_view extends Activity {
 private ListView _ListView = null;
 private TodoList _TodoList = null;
 //private String msg = "lagunia";
 private SQLiteDatabase _DB = null; //SQLite을 사용하기 위한 객체 생성
 public void onCreate(Bundle savedInstanceState){
     super.onCreate(savedInstanceState);
     setContentView(R.layout.list_view);
     
     _TodoList = new TodoList(this); //TodoList 객체 생성
     
        //Button cancle_bt = (Button)findViewById(R.id.cancle);
        
        _ListView = (ListView) findViewById(R.id.ListView); //ListView 객체 생성
        _ListView.setAdapter(_TodoList.Adapter); //ListView에 DB Adapter를 연결해 출력해줌
          
        _ListView.setOnItemClickListener(new OnItemClickListener() {
         
   public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
       
       new AlertDialog.Builder(List_view.this)
       .setTitle("날짜 입력부분")
       .setMessage("")              
       //.setIcon(R.drawable.icon)
       .setPositiveButton("닫기", null)
       .show();
   }
        });
 }
}
TodoList 클래스에서 ListView에 저장된 부분을 클릭시 

ArrayList<HashMap <String, String> >형태로 선언된 

 _DataSource 에 저장된 Message부분에 저장된 값을 

다이얼로그로 뛰우고 싶은데 ArrayList<HashMap <String, String> >형태에선

 어떻게 뛰워야 할지 난감하네요 좀 알려주세요 ^ㅡ^