Android show the datepicker(end date) greater than the start date?

Question

Hello guys i want to show the date picker(end date) after the date select from the start date.The end date picker will display date after the from date.End date will display date picker after the from date and before from date will not gonna show .what i got to do? What i am trying is

       fromdate = (EditText) findViewById(fromDate);
       todate = (EditText) findViewById(R.id.todate);
       fromdate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            showTruitonDatePickerDialog(view);
        }
    });
    todate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            showToDatePickerDialog(view);
        }
    });
    }
public void showTruitonDatePickerDialog(View v) {
    DialogFragment newFragment = new DatePickerFragment();
    newFragment.show(getSupportFragmentManager(), "datePicker");
   }
 public void showToDatePickerDialog(View v) {
    DialogFragment newFragment = new ToDatePickerFragment();
    newFragment.show(getSupportFragmentManager(), "datePicker");
}
 public static class DatePickerFragment extends DialogFragment implements
        DatePickerDialog.OnDateSetListener {

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        // Use the current date as the default date in the picker
        final Calendar c = Calendar.getInstance();
        int year = c.get(Calendar.YEAR);
        int month = c.get(Calendar.MONTH);
        int day = c.get(Calendar.DAY_OF_MONTH);

        // Create a new instance of DatePickerDialog and return it
        return new DatePickerDialog(getActivity(), this, year, month, day);
    }

    public void onDateSet(DatePicker view, int year, int month, int day) {
        // Do something with the date chosen by the user

        fromdate.setText(day + "/" + (month + 1) + "/" + year);
           }   }

public static class ToDatePickerFragment extends DialogFragment implements
       DatePickerDialog.OnDateSetListener {

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        // Use the current date as the default date in the picker
        final Calendar c = Calendar.getInstance();
        int year = c.get(Calendar.YEAR);
        int month = c.get(Calendar.MONTH);
        int day = c.get(Calendar.DAY_OF_MONTH);

        // Create a new instance of DatePickerDialog and return it
        return new DatePickerDialog(getActivity(), this, year, month, day);
    }
   public void onDateSet(DatePicker view, int year, int month, int day) {
        // Do something with the date chosen by the user
        view.setMinDate(fromDate);
        todate.setText(day + "/" + (month + 1) + "/" + year); } }

Answer 1

try to use this code

    public static boolean isDateAfter(String startDate,String endDate)
    {
    try
    {
        String myFormatString = "yyyy-M-dd"; // for example
        SimpleDateFormat df = new SimpleDateFormat(myFormatString);
        Date date1 = df.parse(endDate));
        Date startingDate = df.parse(startDate);

        if (date1.after(startingDate))
            return true;
        else
            return false;
    }
    catch (Exception e) 
    {

        return false;
    }
}

It return true if enddate is after start date.

Answer 2

     fromdate = (EditText) findViewById(fromDate);
    todate = (EditText) findViewById(R.id.todate);
    fromdate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            showTruitonDatePickerDialog(view);
        }
    });
    todate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            showToDatePickerDialog(view);
        }
    });
}
public void showTruitonDatePickerDialog(View v) {
    DialogFragment newFragment = new DatePickerFragment();
    newFragment.show(getSupportFragmentManager(), "datePicker");
}

public void showToDatePickerDialog(View v) {
    DialogFragment newFragment = new ToDatePickerFragment();
    newFragment.show(getSupportFragmentManager(), "datePicker");
}

public static class DatePickerFragment extends DialogFragment implements
        DatePickerDialog.OnDateSetListener {
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        // Use the current date as the default date in the picker
        final Calendar c = Calendar.getInstance();
        int year = c.get(Calendar.YEAR);
        int month = c.get(Calendar.MONTH);
        int day = c.get(Calendar.DAY_OF_MONTH);
        DatePickerDialog datePickerDialog;
        datePickerDialog = new DatePickerDialog(getActivity(),this, year, 
        month,day);
        return datePickerDialog;
    }

    public void onDateSet(DatePicker view, int year, int month, int day) {
        // Do something with the date chosen by the user
        fromdate.setText(day + "/" + month  + "/" + year);
    }

}

public static class ToDatePickerFragment extends DialogFragment implements
        DatePickerDialog.OnDateSetListener {
   // Calendar startDateCalendar=Calendar.getInstance();
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        // Use the current date as the default date in the picker
          String getfromdate = fromdate.getText().toString().trim();
          String getfrom[] = getfromdate.split("/");
        int year,month,day;
             year= Integer.parseInt(getfrom[2]);
             month = Integer.parseInt(getfrom[1]);
            day = Integer.parseInt(getfrom[0]);
        final Calendar c = Calendar.getInstance();
        c.set(year,month,day+1);
        DatePickerDialog datePickerDialog = new DatePickerDialog(getActivity(),this, year,month,day);
       datePickerDialog.getDatePicker().setMinDate(c.getTimeInMillis());
        return datePickerDialog;
    }
    public void onDateSet(DatePicker view, int year, int month, int day) {

        todate.setText(day + "/" + month  + "/" + year);
    }
}

I choose a start date as....1/09/2017 Then i open a end date it displays from....2/09/2017

Answer 3

Define startDateCalendar like

Calendar startDateCalendar=Callendar.getInstance();

And update fragments code

public static class DatePickerFragment extends DialogFragment implements
            DatePickerDialog.OnDateSetListener {

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            // Use the current date as the default date in the picker
            final Calendar c = Calendar.getInstance();
            int year = c.get(Calendar.YEAR);
            int month = c.get(Calendar.MONTH);
            int day = c.get(Calendar.DAY_OF_MONTH);
            DatePickerDialog datePickerDialog = new DatePickerDialog(mActivity,this, year, month,day);
            datePickerDialog.getDatePicker().setMinDate(System.currentTimeMillis());
            // Create a new instance of DatePickerDialog and return it
            return datePickerDialog;
        }

        public void onDateSet(DatePicker view, int year, int month, int day) {
            // Do something with the date chosen by the user

            fromdate.setText(day + "/" + (month + 1) + "/" + year);
            startDateCalendar.set(Calendar.YEAR, year);
            startDateCalendar.set(Calendar.MONTH, month);
            startDateCalendar.set(Calendar.DAY_OF_MONTH, day);
        }   }

    public static class ToDatePickerFragment extends DialogFragment implements
            DatePickerDialog.OnDateSetListener {

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            // Use the current date as the default date in the picker
            final Calendar c = Calendar.getInstance();
            int year = c.get(Calendar.YEAR);
            int month = c.get(Calendar.MONTH);
            int day = c.get(Calendar.DAY_OF_MONTH);

            DatePickerDialog datePickerDialog = new DatePickerDialog(getActivity(),this, startDateCalendar.get(Calendar.YEAR), startDateCalendar.get(Calendar.MONTH), startDateCalendar.get(Calendar.DAY_OF_MONTH));
            datePickerDialog.getDatePicker().setMinDate(startDateCalendar.getTimeInMillis());
            // Create a new instance of DatePickerDialog and return it
            return datePickerDialog;
        }
        public void onDateSet(DatePicker view, int year, int month, int day) {
            // Do something with the date chosen by the user
            view.setMinDate(fromDate);
            todate.setText(day + "/" + (month + 1) + "/" + year); } }

Answer 4

you can use setMinDate and setMaxDate methods to the datepickerdialog.

eg: DatePicker toPicker = Util.getDatePicker(getActivity(), toDateSetListener, toYear, toMonth, toDay) .getDatePicker(); toPicker.setMinDate(getToMinDate()); toPicker.setMaxDate(System.currentTimeMillis());

Answer 5

So when you close your fromDate Dialog just store the variables in class level.

fromYear fromMonth fromDay

then when you launch toDate(fromYear, fromMonth, fromDay) to the dialog then instead of calendar. get current dates, just use the from and add +1 to the day for starting the picker at the next day. Make sense?

Answer 6

有一个名为MaterialDateRangePicker的库可以完全解决您的问题，请找到链接https://github.com/borax12/MaterialDateRangePicker