public class findFood extends Activity {
    FoodDBHelper mHelper;
    EditText changeData;
    public void onCreate(Bundle savedInstanceState) 
    {
     super.onCreate(savedInstanceState);
     setContentView(R.layout.main);
        
     mHelper = new FoodDBHelper(this);
     Cursor c;
     SQLiteDatabase db = mHelper.getWritableDatabase();
     
     c = db.rawQuery("SELECT * FROM food", null);
     startManagingCursor(c);
     
     SimpleCursorAdapter adapter = null;
     adapter = new SimpleCursorAdapter(this, android.R.layout.simple_list_item_2, c, new String[] {"name", "num"}, new int[] {android.R.id.text1, android.R.id.text2});
     ListView list = (ListView)findViewById(R.id.DataList);
     list.setAdapter(adapter);
     
     changeData = (EditText)findViewById(R.id.InData);
     changeData.addTextChangedListener(mWatch);
    }
    
    TextWatcher mWatch = new TextWatcher()
    {
     public void afterTextChanged(Editable s)
     {
      Toast.makeText(findFood.this, "검색 완료", Toast.LENGTH_SHORT).show();
     }
     
     public void beforeTextChanged(CharSequence s, int start, int count, int after)
     {   }
     
     public void onTextChanged(CharSequence s, int start, int before, int count)
     {
      String stn = s.toString();
         try {
    Display(stn);
   } catch (Exception e) {}
     }

  private void Display(String ss) throws Exception{
   // TODO Auto-generated method stub
   mHelper = new FoodDBHelper(findFood.this);
         Cursor c;
         SQLiteDatabase db = mHelper.getWritableDatabase();
         try{
          Log.v("test", "Test1");
          c = db.rawQuery("SELECT * FROM food WHRER " + ss, null);
          Log.v("test", "Test2");
          startManagingCursor(c);
          Log.v("test", "Test3");
         
          SimpleCursorAdapter adapter = null;
          adapter = new SimpleCursorAdapter(findFood.this, android.R.layout.simple_list_item_2, c, new String[] {"name", "num"}, new int[] {android.R.id.text1, android.R.id.text2});
          ListView list = (ListView)findViewById(R.id.DataList);
          list.setAdapter(adapter);
         }
         catch(Exception e){
          Toast.makeText(findFood.this, "검색 실패", Toast.LENGTH_SHORT).show();
         }
  }
    };
}