private List<String> fontNames;
    private Spinner fontNameSpinner;
    private ArrayAdapter<String> fontPackAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_note);
        LayoutInflater inflater = this.getLayoutInflater();
        fontFormat = new AlertDialog.Builder(this);
        fontFormat.setView(inflater.inflate(R.layout.fontformat_layout,(ViewGroup)findViewById(R.id.ffViewGroup)));
        gcode = new Gcode(this);
        Button stt = findViewById(R.id.speech);
        Button write = findViewById(R.id.writetofile);
        Button translate = findViewById(R.id.translate);
        Button format = findViewById(R.id.formatting);
        ffontSize = findViewById(R.id.fontsizefield);
        fontNames = new ArrayList<>();
        myFontPack();
        fontNameSpinner = findViewById(R.id.fonts);
        fontPackAdapter = new ArrayAdapter<String>(this, R.layout.support_simple_spinner_dropdown_item, fontNames);
        fontPackAdapter.setDropDownViewResource(R.layout.support_simple_spinner_dropdown_item);
        fontNameSpinner.setAdapter(fontPackAdapter);
}

<p>