public void excelWriter(){
    TextView text = (TextView) findViewById(R.id.info);
    String filename = "save.csv";
    text.setText(baseDir);
    try {
        String[] array = values.toArray(new String[values.size()]);
        CSVWriter writer = new CSVWriter((new FileWriter(filename)));
        writer.writeNext(array);
        writer.close();
    }
    catch (IOException e)
    {

    }
}