public class ScoreDB extends Activity {
 private final static String DB_NAME = "score.db";
 private final static String DB_TABLE="rps";
 private final static int DB_VERSION=1;
 private SQLiteDatabase db;
 private static int w,l,d;
 private static String namestr;
 
 //Initiate
 public void onCreate(Bundle SavedInstanceState){
  super.onCreate(SavedInstanceState);
  
  //Create DB 
  DBHelper dbHelper=new DBHelper(this);
  db=dbHelper.getWritableDatabase();
    
 }
 
 
  

  
 //Write DataBase
 private void writeDB(String Username1, int win, int lose, int draw)throws Exception{
  ContentValues values=new ContentValues();
  values.put("DB_ID",0);
  values.put("USERNAME",Username1);
  values.put("WIN", win);
  values.put("LOSE",lose);
  values.put("DRAW",draw);
  long colNum=db.update(DB_TABLE,values,null,null);
  
  if(colNum==0) db.insert(DB_TABLE, "",values);
 }
 
  
 //DB Read
 private void readDB() throws Exception{
  Cursor c=db.query(DB_TABLE,new String[]{"DB_ID", "USERNAME", "WIN", "LOSE", "DRAW"}, null, null, null, null, null);
  if(c.getCount()==0) throw new Exception();
     
  c.moveToFirst();
   
  namestr=c.getString(0);
 ///////////////////////이부분이 문제  namestr에 값 저장이 안됩니다. ///////////////// Text 값 저장
  w=c.getInt(1);
  l=c.getInt(2);
  d=c.getInt(3);
  c.close();
 }
 
 
 //DataBase Helper
 private static  class DBHelper extends SQLiteOpenHelper{
  //DB Helper
  public DBHelper (Context context){
   super(context, DB_NAME, null, DB_VERSION);
  }
  
  //DB Create
  public void onCreate(SQLiteDatabase db){
   db.execSQL("create table if not exists " + DB_TABLE + "(DB_ID primary key,USERNAME TEXT, WIN INTEGER, LOSE INTEGER, DRAW INTEGER )");      
////////////////////DB ( USERNAME(TEXT)   || WIN(Int)   ||  LOSE(Int)  || DRAW(Int)  ) 형식으로 생성
    }
  
  //DB Upgrade
  public void onUpgrade (SQLiteDatabase db, int oldVersion, int newVersion){
   db.execSQL("drop table if exists " + DB_TABLE );
   onCreate(db);
  }//End of onUpgrade
 
 }//End of DBHelper
 
}//End of Class