如何显示通过按钮

Question

我有代码，日期用于通过按钮自动存储 现在，按下此按钮后，我还需要显示日期。如何做到这一点

    public class datebutton extends Activity {
protected void onCreate(Bundle icicle) {
    super.onCreate(icicle);

    final Button button = (Button) findViewById(R.id.date);
    button.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Date today = new Date();

            //Convert to calendar Object
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(today);

            int year = calendar.get(Calendar.YEAR);
            int month = calendar.get(Calendar.MONTH);
            int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
        }
    });
}

}

我的活动xml代码是

    <Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="DAte"
android:text="DATE"
android:textSize="27sp"
android:id="@+id/date" />

提前帮助我