package com.example.test;
import androidx.appcompat.app.AppCompatActivity;
import android.app.DatePickerDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import java.util.Calendar;
public class MainActivity extends AppCompatActivity {
Button b1;
DatePickerDialog d1;
Calendar c1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
b1 = (Button) findViewById(R.id.button1);
}
public void onClick(View view) {
c1 = Calendar.getInstance();
int year = c1.get(Calendar.YEAR);
int month = c1.get(Calendar.MONTH);
int day = c1.get(Calendar.DAY_OF_MONTH);
showTime(year, month, day);
}
public void showTime(int year,int month, int day){
b1.setText(new StringBuilder().append(year).append(" . ").append(month).append(" . ").append(day));
}
} 이렇게 만들어 봤는데 달력이 호출이 안되는데 어떤걸 추가 해야할까요??