title: Dex Loader Unable to execute Multiple dex files define
body: <p>Okay, now i'm really stuck here. I don't know what to do, where to go or ANYTHING!</p>
  
  <p>I have been trying to uninstall, reinstall, both SDK and Eclipse-versions, trying to Google this out, but nu-uh... Nothing!!!</p>
  
  <p>I CAN run my app in emulator, but i cant EXPORT it...</p>
  
  <blockquote>
    <p>[2011-10-07 16:35:30 - Dex Loader] Unable to execute dex: Multiple dex files define Lcom/dreamhawk/kalori/DataBaseHelper;</p>
  </blockquote>
  
  <p>this is dataBaseHelper</p>
  
  <pre><code>package com.dreamhawk.kalori;
  
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  
  import android.content.Context;
  import android.database.Cursor;
  import android.database.SQLException;
  import android.database.sqlite.SQLiteDatabase;
  import android.database.sqlite.SQLiteException;
  import android.database.sqlite.SQLiteOpenHelper;
  import android.util.Log;
  import android.widget.Toast;
  
  
  
  public class DataBaseHelper extends SQLiteOpenHelper {
  
      // The Android's default system path of your application database.
      private static String DB_PATH = "/data/data/com.dreamhawk.kalori/databases/";
  
      private static String DB_NAME = "livsmedel_db";
      private DataBaseHelper myDBHelper;
      private SQLiteDatabase myDb;
  
      private final Context myContext;
  
      private static final String DATABASE_TABLE = "Livsmedel";
      public static String DB_FILEPATH = "/data/data/com.dreamhawk.kalori/databases/lifemedel_db";
      public static final String KEY_TITLE = "Namn";
      public static final String KEY_BODY = "Kcal";
      public static final String KEY_ROWID = "_id";
      private static final int DATABASE_VERSION = 2;
  
      /**
       * Constructor Takes and keeps a reference of the passed context in order to
       * access to the application assets and resources.
       * 
       * @param context
       */
      public DataBaseHelper(Context context) {
  
          super(context, DB_NAME, null, 1);
          this.myContext = context;
  
          // checking database and open it if exists
          if (checkDataBase()) {
              openDataBase();
          } else {
              try {
                  this.getReadableDatabase();
                  createDatabase();
                  this.close();
                  openDataBase();
  
              } catch (IOException e) {
                  throw new Error("Error copying database");
              }
              Toast.makeText(context, "Livsmedelsdatabasen importerad",
                      Toast.LENGTH_LONG).show();
          }
  
      }
  
      private boolean checkDataBase() {
          SQLiteDatabase checkDB = null;
          boolean exist = false;
          try {
              String dbPath = DB_PATH + DB_NAME;
              checkDB = SQLiteDatabase.openDatabase(dbPath, null,
                      SQLiteDatabase.OPEN_READONLY);
          } catch (SQLiteException e) {
              Log.v("db log", "database does't exist");
          }
  
          if (checkDB != null) {
              exist = true;
              checkDB.close();
          }
          return exist;
      }
  
      @Override
      public void onCreate(SQLiteDatabase db) {
          // db.execSQL(DATABASE_CREATE);
      }
  
       @Override
       public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
  
             Log.w("Kalori", "Upgrading database from version " + oldVersion + " to "
                 + newVersion + ", which will destroy all old data");
             db.execSQL("DROP TABLE IF EXISTS Livsmedel");
             onCreate(db);
  
         }
  
      public DataBaseHelper open() throws SQLException {
          myDBHelper = new DataBaseHelper(myContext);
          myDb = myDBHelper.getWritableDatabase();
          return this;
      }
  
      public void createDatabase() throws IOException {
  
          InputStream assetsDB = myContext.getAssets().open("livsmedel_db");
          // OutputStream dbOut = new FileOutputStream(DB_PATH);
          String outFileName = DB_PATH + DB_NAME;
          OutputStream dbOut = new FileOutputStream(outFileName);
  
          Log.d("DH", "index=" + assetsDB);
          byte[] buffer = new byte[1024];
          int length;
          while ((length = assetsDB.read(buffer)) &gt; 0) {
              dbOut.write(buffer, 0, length);
          }
  
          dbOut.flush();
          dbOut.close();
          assetsDB.close();
      }
  
      public Cursor fetchAllNotes() {
  
          return myDb.query(DATABASE_TABLE, new String[] { KEY_ROWID, KEY_TITLE,
                  KEY_BODY }, null, null, null, null, null);
      }
  
      public void openDataBase() throws SQLException {
          String dbPath = DB_PATH + DB_NAME;
          myDb = SQLiteDatabase.openDatabase(dbPath, null,
                  SQLiteDatabase.OPEN_READWRITE);
      }
  
  }
  </code></pre>
  
  <p>I suspect:</p>
  
  <pre><code>import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  </code></pre>
  
  <p>But I don't know what to do... Please help !!! :'(</p>