当用户在date之间选择date时。如何calculate在Android中的第3 Edittext个晚上？
按照我的datepicker
3 edittext box
1起日期 2迄今为止 3夜数=？
CheckInDate = (EditText) rootView.findViewById(R.id.CheckInDate);
CheckOutDate = (EditText) rootView.findViewById(R.id.CheckOutDate);
CheckInDate.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v) {
if (v == CheckInDate) {
final Calendar c = Calendar.getInstance();
int mYear = c.get(Calendar.YEAR);
int mMonth = c.get(Calendar.MONTH);
int mDay = c.get(Calendar.DAY_OF_MONTH);
c.set(Calendar.DAY_OF_MONTH, mDay);
DatePickerDialog dpd = new DatePickerDialog(getActivity(),
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.MONTH, monthOfYear);
cal.set(Calendar.DAY_OF_MONTH, dayOfMonth);
cal.set(Calendar.YEAR, year);
if(cal.before(c)) {
Toast.makeText(getActivity(), "Select valid date please.", Toast.LENGTH_LONG).show();
return;
}
StringBuilder date = new StringBuilder();
date.delete(0, date.length());
date.append((dayOfMonth<10?"0":"")).append(dayOfMonth)
.append("/").append((monthOfYear + 1) < 10 ? "0" : "")
.append((monthOfYear+1)).append("/").append(year);
CheckInDate.setText(date.toString());
}
}, mYear, mMonth, mDay);
dpd.getDatePicker().setMinDate(c.getTimeInMillis());
dpd.show();
}
}
});
CheckOutDate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (v == CheckOutDate) {
final Calendar c = Calendar.getInstance();
int mYear = c.get(Calendar.YEAR);
int mMonth = c.get(Calendar.MONTH);
int mDay = c.get(Calendar.DAY_OF_MONTH);
c.set(Calendar.DAY_OF_MONTH, mDay);
DatePickerDialog dpd = new DatePickerDialog(getActivity(),
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.MONTH, monthOfYear);
cal.set(Calendar.DAY_OF_MONTH, dayOfMonth);
cal.set(Calendar.YEAR, year);
if(cal.before(c)) {
Toast.makeText(getActivity(), "Select valid date please.", Toast.LENGTH_LONG).show();
return;
}
StringBuilder date = new StringBuilder();
date.delete(0, date.length());
date.append((dayOfMonth<10?"0":"")).append(dayOfMonth)
.append("/").append((monthOfYear + 1) < 10 ? "0" : "")
.append((monthOfYear+1)).append("/").append(year);
CheckOutDate.setText(date.toString());
}
}, mYear, mMonth, mDay);
dpd.getDatePicker().setMinDate(c.getTimeInMillis());
dpd.show(); }
}
});
答案 0 :(得分：0)
试试这个 -
Date checkInTime, checkOutTime;
private void checkDiff() {
long duration = checkOutTime.getTime() - checkInTime.getTime();
long diffInSeconds = TimeUnit.MILLISECONDS.toSeconds(duration);
long diffInMinutes = TimeUnit.MILLISECONDS.toMinutes(duration);
long diffInHours = TimeUnit.MILLISECONDS.toHours(duration);
//Now Code as per requirement
}
CheckInDate = (EditText) rootView.findViewById(R.id.CheckInDate);
CheckOutDate = (EditText) rootView.findViewById(R.id.CheckOutDate);
CheckInDate.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v) {
if (v == CheckInDate) {
final Calendar c = Calendar.getInstance();
int mYear = c.get(Calendar.YEAR);
int mMonth = c.get(Calendar.MONTH);
int mDay = c.get(Calendar.DAY_OF_MONTH);
c.set(Calendar.DAY_OF_MONTH, mDay);
DatePickerDialog dpd = new DatePickerDialog(getActivity(),
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.MONTH, monthOfYear);
cal.set(Calendar.DAY_OF_MONTH, dayOfMonth);
cal.set(Calendar.YEAR, year);
if (cal.before(c)) {
Toast.makeText(getActivity(), "Select valid date please.", Toast.LENGTH_LONG).show();
return;
}
checkInTime = cal.getTime();
StringBuilder date = new StringBuilder();
date.delete(0, date.length());
date.append((dayOfMonth < 10 ? "0" : "")).append(dayOfMonth)
.append("/").append((monthOfYear + 1) < 10 ? "0" : "")
.append((monthOfYear + 1)).append("/").append(year);
CheckInDate.setText(date.toString());
}
}, mYear, mMonth, mDay);
dpd.getDatePicker().setMinDate(c.getTimeInMillis());
dpd.show();
}
}
});
CheckOutDate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (v == CheckOutDate) {
final Calendar c = Calendar.getInstance();
int mYear = c.get(Calendar.YEAR);
int mMonth = c.get(Calendar.MONTH);
int mDay = c.get(Calendar.DAY_OF_MONTH);
c.set(Calendar.DAY_OF_MONTH, mDay);
checkOutTime = c.getTime();
DatePickerDialog dpd = new DatePickerDialog(getActivity(),
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.MONTH, monthOfYear);
cal.set(Calendar.DAY_OF_MONTH, dayOfMonth);
cal.set(Calendar.YEAR, year);
if (cal.before(c)) {
Toast.makeText(getActivity(), "Select valid date please.", Toast.LENGTH_LONG).show();
return;
}
StringBuilder date = new StringBuilder();
date.delete(0, date.length());
date.append((dayOfMonth < 10 ? "0" : "")).append(dayOfMonth)
.append("/").append((monthOfYear + 1) < 10 ? "0" : "")
.append((monthOfYear + 1)).append("/").append(year);
CheckOutDate.setText(date.toString());
checkOutTime = cal.getTime();
checkDiff();
}
}, mYear, mMonth, mDay);
dpd.getDatePicker().setMinDate(c.getTimeInMillis());
dpd.show();
}
}
});
}
答案 1 :(得分：0)
尝试使用此代码获取总天数：
Calendar cal1 = new GregorianCalendar();
Calendar cal2 = new GregorianCalendar();
SimpleDateFormat sdf = new SimpleDateFormat("ddMMyyyy");
Date date = sdf.parse("your first date");
cal1.setTime(date)
date = sdf.parse("your second date");
cal2.setTime(date);
System.out.println("Days= "+daysBetween(cal1.getTime(),cal2.getTime()));
在此处检查您的天数代码：
CheckOutDate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (v == CheckOutDate) {
final Calendar c = Calendar.getInstance();
int mYear = c.get(Calendar.YEAR);
int mMonth = c.get(Calendar.MONTH);
int mDay = c.get(Calendar.DAY_OF_MONTH);
c.set(Calendar.DAY_OF_MONTH, mDay);
DatePickerDialog dpd = new DatePickerDialog(getActivity(),
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.MONTH, monthOfYear);
cal.set(Calendar.DAY_OF_MONTH, dayOfMonth);
cal.set(Calendar.YEAR, year);
if(cal.before(c)) {
Toast.makeText(getActivity(), "Select valid date please.", Toast.LENGTH_LONG).show();
return;
}
StringBuilder date = new StringBuilder();
date.delete(0, date.length());
date.append((dayOfMonth<10?"0":"")).append(dayOfMonth)
.append("/").append((monthOfYear + 1) < 10 ? "0" : "")
.append((monthOfYear+1)).append("/").append(year);
CheckOutDate.setText(date.toString());
/************* Check you days HERE ***************/
try {
Calendar calCheckIn = new GregorianCalendar();
\ Calendar calCheckOut = new GregorianCalendar();
SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
Date dateCheckIn = sdf.parse(CheckInDate.getText().toString());
calCheckIn.setTime(dateCheckIn);
Date dateCheckOut = sdf.parse(CheckOutDate.getText().toString());
calCheckOut.setTime(dateCheckOut);
System.out.println("Days= "+daysBetween(dateCheckIn.getTime(),dateCheckOut.getTime()));
EditText Night = (EditText) rootView.findViewById(R.id.Noofnights);
Night.setText(daysBetween(dateCheckIn.getTime(),dateCheckOut.getTime()) + "");
} catch (Exception e) {
e.printStackTrace();
}
/***************************************/
}
}, mYear, mMonth, mDay);
dpd.getDatePicker().setMinDate(c.getTimeInMillis());
dpd.show(); }
}
});
将此方法放在课堂上的任何位置：
public int daysBetween(Date d1, Date d2){
return (int)( (d2.getTime() - d1.getTime()) / (1000 * 60 * 60 * 24));
}