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package your.pack;
import java.util.Calendar;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
public class DatecalActivity extends Activity {
/** Called when the activity is first created. */
private TextView ddayText;
private TextView todayText;
private TextView resultText;
private Button dateButton;
private int tYear; //오늘 연월일 변수
private int tMonth;
private int tDay;
private int dYear=1; //디데이 연월일 변수
private int dMonth=1;
private int dDay=1;
private long d;
private long t;
private long r;
private int resultNumber=0;
static final int DATE_DIALOG_ID=0;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ddayText=(TextView)findViewById(R.id.dday);
todayText=(TextView)findViewById(R.id.today);
resultText=(TextView)findViewById(R.id.result);
dateButton=(Button)findViewById(R.id.dateButton);
dateButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
showDialog(0);//----------------
}
});
Calendar calendar =Calendar.getInstance(); //현재 날짜 불러옴
tYear = calendar.get(Calendar.YEAR);
tMonth = calendar.get(Calendar.MONTH);
tDay = calendar.get(Calendar.DAY_OF_MONTH);
Calendar dCalendar =Calendar.getInstance();
dCalendar.set(dYear,dMonth, dDay);
t=calendar.getTimeInMillis(); //오늘 날짜를 밀리타임으로 바꿈
d=dCalendar.getTimeInMillis(); //디데이날짜를 밀리타임으로 바꿈
r=(d-t)/(24*60*60*1000); //디데이 날짜에서 오늘 날짜를 뺀 값을 '일'단위로 바꿈
resultNumber=(int)r+1;
updateDisplay();
}//OnCreate end
private void updateDisplay(){
todayText.setText(String.format("%d년 %d월 %d일",tYear, tMonth+1,tDay));
ddayText.setText(String.format("%d년 %d월 %d일",dYear, dMonth+1,dDay));
if(resultNumber>=0){
resultText.setText(String.format("D-%d", resultNumber));
}
else{
int absR=Math.abs(resultNumber);
resultText.setText(String.format("D+%d", absR));
}
}//디데이 날짜가 오늘날짜보다 뒤에오면 '-', 앞에오면 '+'를 붙인다
private DatePickerDialog.OnDateSetListener dDateSetListener=new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
dYear=year;
dMonth=monthOfYear;
dDay=dayOfMonth;
final Calendar dCalendar =Calendar.getInstance();
dCalendar.set(dYear,dMonth, dDay);
d=dCalendar.getTimeInMillis();
r=(d-t)/(24*60*60*1000);
resultNumber=(int)r;
updateDisplay();
}
};
@Override
protected Dialog onCreateDialog(int id){
if(id==DATE_DIALOG_ID){
return new DatePickerDialog(this,dDateSetListener,tYear,tMonth,tDay);
}
return null;
}
}//DatecalActivity end
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