String filename = "kontaktebi123.vcf";
    FileOutputStream outputStream;

    try {
        outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
        PrintWriter osw = new PrintWriter(outputStream);
        ArrayList<String> nomrebi = numberGenerator(view);
        osw.printf("blablabla")
        osw.flush();
        osw.close();

    } catch (Exception e) {
        e.printStackTrace();
    }

String fileDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath();
String fileName = "kontaktebi123.vcf";

File file = new File(fileDir + "/" + fileName);