Android 日期对话框 DatePickerDialog

    private int year;
    private int monthofyear;
    private int dayofmonth;

    @override
    protected void oncreate(bundle savedinstancestate) {
        super.oncreate(savedinstancestate);
        setcontentview(r.layout.activity_main);

        button = (button) findviewbyid(r.id.button);

        calendar calendar = calendar.getinstance();
        year = calendar.get(calendar.year);
        monthofyear = calendar.get(calendar.month);
        dayofmonth = calendar.get(calendar.day_of_month);

        button.setonclicklistener(new onclicklistener() {

            @override
            public void onclick(view v) {
                // todo auto-generated method stub

                datepickerdialog pickerdialog = new datepickerdialog(mainactivity.this, new ondatesetlistener() {

                    @override
                    public void ondateset(datepicker view, int year, int monthofyear, int dayofmonth) {
                        // todo auto-generated method stub
                        toast.maketext(mainactivity.this, year + "年" + monthofyear + "月" + dayofmonth + "日", 1).show();
                    }
                }, year, monthofyear, dayofmonth);

                pickerdialog.show();
            }
        });
    }