// Only run this code when the app is first installed
        SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
        boolean isFirstRun = pref.getBoolean("FIRSTRUN", true);
        if (isFirstRun)
        {
            // insert information into the local databases using different db managers
            db1 = new LocalDbManager(this);
            db1.openLocsToWrite();
            db1.insertLocations();
            db1.close();

            db2 = new LocalDbManager(this);
            db2.openFoodToWrite();
            db2.insertFood();
            db2.close();

            db3 = new LocalDbManager(this);
            db3.openParkingToWrite();
            db3.insertPark();
            db3.close();

            // change the flag to false now that the app has been run more than once
            SharedPreferences.Editor editor = pref.edit();
            editor.putBoolean("FIRSTRUN", false);
            editor.commit();
        }