我有两个日期选择器From和To
,在这里我可以将From datepicker
值设置为to datepicker
的最小日期。
现在我的要求是,如果我选择To datepicker
日期,我想将其设置为From datepicker date
的最大日期。我尝试了一种解决方案,但它不适用于我的情况。
private String fromDate;
private DatePickerDialog fromDatePicker;
private DatePickerDialog.OnDateSetListener fromDatePickerListener;
private Calendar fromDateCalendar;
private String toDate;
private DatePickerDialog toDatePicker;
private DatePickerDialog.OnDateSetListener toDatePickerListener;
private Calendar toDateCalendar;
Fromdatepicker OnDateSetListener方法
fromDateCalendar = Calendar.getInstance();
fromDatePickerListener = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
fromDateCalendar.set(Calendar.YEAR, year);
fromDateCalendar.set(Calendar.MONTH, monthOfYear);
fromDateCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
fromDate = fromDateCalendar.get(Calendar.YEAR) + "-" +
(fromDateCalendar.get(Calendar.MONTH)+1) + "-" +
fromDateCalendar.get(Calendar.DAY_OF_MONTH);
textviewFrom.setText(fromDate);
toDatePicker.getDatePicker().setMinDate(fromDateCalendar.getTimeInMillis());
}
};
到日期选择器的OnDateSetListener方法
toDateCalendar = Calendar.getInstance();
toDatePickerListener = new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
toDateCalendar.set(Calendar.YEAR, year);
toDateCalendar.set(Calendar.MONTH, monthOfYear);
toDateCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
toDate = toDateCalendar.get(Calendar.YEAR) + "-" +
(toDateCalendar.get(Calendar.MONTH)+1) + "-" +
toDateCalendar.get(Calendar.DAY_OF_MONTH);
textviewTo.setText(toDate);
todatepicker.getDatePicker().setMinDate(-2208902400000L);
fromdatePicker.getDatePicker().setMaxDate(toDateCalendar.getTimeInMillis());
}
};
toDatePicker = new DatePickerDialog(getContext(),toDatePickerListener,
toDateCalendar.get(Calendar.YEAR), toDateCalendar.get(Calendar.MONTH),
toDateCalendar.get(Calendar.DAY_OF_MONTH));
fromDatePicker = new DatePickerDialog(getContext(),fromDatePickerListener,
fromDateCalendar.get(Calendar.YEAR), fromDateCalendar.get(Calendar.MONTH),
fromDateCalendar.get(Calendar.DAY_OF_MONTH));
用于调用日期选择器对话框的 TextView 监听器
textviewFrom.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
fromDatePicker.show();
}
});
textviewTo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
toDatePicker.show();
}
});
我试过了
fromDatePicker.getDatePicker().setMaxDate(toDateCalendar.getTimeInMillis());
在toDatePickerListener的onDateSet方法中,但它不是 工作
最佳答案
我尝试了以下方法,希望对你有帮助。
private String selectedToDate = "";
private String selectedFromDate = "";
private Calendar calToDate, calFromDate;
将此代码写入 onCreate() 方法
calFromDate = convertToCalender(selectedFromDate);
calToDate = convertToCalender(selectedToDate);
Todate 和 FromDate TextView 点击次数
textviewFrom.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
showFromDatePicker(fromdateListener, calFromDate, calToDate);
}
});
textviewTo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
showToDatePicker(todateListener, calToDate, calFromDate);
}
});
toDate 和 fromDate 监听器
public DatePickerDialog.OnDateSetListener fromdateListener =
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
calFromDate.set(year, monthOfYear, dayOfMonth);
selectedFromDate = returnFormattedDate(calFromDate.getTimeInMillis());
textviewFrom.setText(selectedFromDate);
}
};
DatePickerDialog.OnDateSetListener todateListener =
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
calToDate.set(year, monthOfYear, dayOfMonth);
selectedToDate = returnFormattedDate(calToDate.getTimeInMillis());
textviewTo.setText(selectedToDate);
}
};
private String returnFormattedDate(long timeInMilliSec) {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd",
Locale.getDefault());
return dateFormat.format(new Date(timeInMilliSec));
}
显示日期选择器的方法
private void showFromDatePicker(DatePickerDialog.OnDateSetListener listener,
Calendar calendar,
Calendar minDateCalender) {
DatePickerDialog dialog = new DatePickerDialog(getActivity(),
listener,
calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH),
calendar.get(Calendar.DAY_OF_MONTH));
if (minDateCalender != null) {
dialog.getDatePicker().setMinDate(minDateCalender.getTimeInMillis());
}
dialog.show();
}
private void showToDatePicker(DatePickerDialog.OnDateSetListener listener,
Calendar calendar,
Calendar maxDateCalender) {
DatePickerDialog dialog = new DatePickerDialog(getActivity(),
listener,
calendar.get(Calendar.YEAR),
calendar.get(Calendar.MONTH),
calendar.get(Calendar.DAY_OF_MONTH));
dialog.getDatePicker().setMaxDate(maxDateCalender.getTimeInMillis());
dialog.show();
}
将字符串日期转换为日历的方法
private Calendar convertToCalender(String date) {
Calendar mCalender = Calendar.getInstance();
if (date == null) {
return mCalender;
} else {
try {
DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
Date returnDate = formatter.parse(date);
mCalender = Calendar.getInstance();
mCalender.setTime(returnDate);
return mCalender;
} catch (ParseException e) {
e.printStackTrace();
return mCalender;
}
}
}
关于java - 如何将 "todate picker"选定日期设置为 "from datepicker"日期的最大日期,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/47471785/