@Override
    protected void onSaveInstanceState(Bundle outState) {
        outState.putInt("currentPosition", lvData.getFirstVisiblePosition());
        super.onSaveInstanceState(outState);
    }

    @Override
    protected void onRestoreInstanceState(Bundle savedInstanceState) {
        if( savedInstanceState != null ) {
            OpenDB();
            lvData.setSelection(savedInstanceState.getInt("currentPosition"));
        }
        super.onRestoreInstanceState(savedInstanceState);
    }

    @InstanceState
    String  stateToSave;