import android.app.*;
import android.content.*;
import android.os.*;
import android.view.*;
import android.view.View.OnClickListener;
import android.widget.*;

public class NewActivity extends Activity implements OnClickListener{
 TextView textview;
 
 DBHandler handler;
 EditText sname;
 EditText sold;
 EditText sweight;
 EditText shight;
 EditText syear;
 EditText smonth;
 EditText sday;
 
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_new);
         

   handler = DBHandler.open(this);
   findViewById(R.id.button3).setOnClickListener(this);
   sname = (EditText)findViewById(R.id.editText1);
   sold = (EditText)findViewById(R.id.editText2);
   shight=(EditText)findViewById(R.id.editText3);
   sweight=(EditText)findViewById(R.id.editText4);       
   syear=(EditText)findViewById(R.id.editText5);
   smonth=(EditText)findViewById(R.id.editText6);
   sday=(EditText)findViewById(R.id.editText7);

  //완료 버튼
  Button result = (Button) findViewById(R.id.button2);
  result.setOnClickListener(new Button.OnClickListener() {
   public void onClick(View v) {
    // 인텐트를 객체화 하여 페이지 전환 이벤트를 부여한다.
    Intent intent = new Intent(NewActivity.this, SelectActivity.class);
    startActivity(intent); // 인텐트를 시작하라는 명령어
   }
  });  
       
       
    }
   
   
  public void onClick(View v){
  if(v.getId()==R.id.button3){
  
        String name=sname.getText().toString();
        if(name.equals("")){
         return;
        }
        
        int old = Integer.parseInt(sold.getText().toString());
        int hight = Integer.parseInt(shight.getText().toString());    
        int weight = Integer.parseInt(sweight.getText().toString());
        int fac = (int) (weight/(hight-100)*0.9*100);
        String year= syear.getText().toString();
        String month= smonth.getText().toString();
        String day= sday.getText().toString();
        
        String sdate = year+"-"+month+"-"+day;
        
        handler.insert(name,old,fac,sdate);
        Toast.makeText(NewActivity.this, "저장성공", Toast.LENGTH_SHORT).show();
  }
    }
  

}

입력받아서 데이터베이스에 저장하는부분 ------------------------------------------------------------------↑

DB핸들러

------------------------------------------------------------------------------------------------------------

public class DBHandler {
 private Context context;
 private DBHelper helper;
 private SQLiteDatabase db;
 private DBHandler(Context context){
  this.context=context;
  helper = new DBHelper(context);
  db=helper.getWritableDatabase();
  
 }
public static DBHandler open(Context context){
 DBHandler handler = new DBHandler(context);
 return handler;
}

public void close(){
 helper.close();
 
}

public Cursor selectAlldata(){
 
 Cursor c = db.query("users",new String[]{"_id","name","old","fac","sdate"},null,null,null,null,null,null);
 return c;
 
}

public void insert(String name,int old,int fac,String sdate){
 try{
  ContentValues values=new ContentValues();
  values.put("name", name);
  values.put("old", old );
  values.put("fac", fac);
  values.put("sdate",sdate);
  
  
  /*values.put("year", year);
  values.put("month", month);
  values.put("day", day);   ,"year","month","day"*/
  
  long result = db.insert("users", null,values);
  Log.d("BB","삽입성공!!:"+result);
  
 }catch(Exception e){
  Log.d("BB","에러메세지"+e);
 }
 }

}

DB헬퍼-------------------------------------------------------------------------

public class DBHelper extends SQLiteOpenHelper {
 

 private static final String DB_NAME = "users.db";
 private static final int DB_VER = 1;
 
  
 public DBHelper(Context context){
  
  super(context,DB_NAME,null,DB_VER);
 }
 

 @Override
 public void onCreate(SQLiteDatabase db) {
  // TODO Auto-generated method stub
  String sql="create table users("+"_id integer primary key autoincrement,"+" name text not null," +" old integer not null,"+" fac integer not null,"+" sdate text not null,)";
 db.execSQL(sql);
 //,"+"year integer not null,"+"month integer not null,"+"day integer not null 
 }

 @Override
 public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
  // TODO Auto-generated method stub
  db.execSQL("drop table if exists users");
  onCreate(db);
  
 }
}

이렇게했는데 실행하니 첨부된 그림처럼애러가 나는데 ㅜㅠㅜ어떻게해야될까요 도와주세요 ㅜㅜ