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How to select a week in the Flutter Date Range Picker (SfDateRangePicker)

Platform: Flutter |
Control: SfDateRangePicker

In the Flutter Date Range Picker, you can select the entire week when selecting a single day using the `onSelectionChanged` callback and `enableSwipeSelection` property.

Step 1:

Inside the state, initialize the controller for date range picker.

final DateRangePickerController _controller = DateRangePickerController();


Step 2:

Place the date range picker inside the body of the Scaffold widget, set the `selectionMode` as range selection and trigger the `onSelectionChanged` callback of the flutter date picker.

return Scaffold(
  body: Column(
    children: <Widget>[
        margin: const EdgeInsets.fromLTRB(50, 100, 50, 100),
        child: SfDateRangePicker(
          controller: _controller,
          view: DateRangePickerView.month,
          selectionMode: DateRangePickerSelectionMode.range,
          onSelectionChanged: selectionChanged,
          monthViewSettings: DateRangePickerMonthViewSettings(enableSwipeSelection: false),


Step 3:

Find the `startDate` and `endDate` from the `onSelectionChanged` event args. Calculate the first day of the week for `startDate`, `endDate`, and add the remaining dates to the start and end dates for the week selection. And assign those dates to the `selectedRange` property of controller. Please find the code for the same.

void selectionChanged(DateRangePickerSelectionChangedArgs args) {
  int firstDayOfWeek = DateTime.sunday % 7;
  int endDayOfWeek = (firstDayOfWeek - 1) % 7;
  endDayOfWeek = endDayOfWeek < 0? 7 + endDayOfWeek : endDayOfWeek;
  PickerDateRange ranges = args.value;
  DateTime date1 = ranges.startDate!;
  DateTime date2 = (ranges.endDate?? ranges.startDate)!;
      var date=date1;
  int day1 = date1.weekday % 7;
  int day2 = date2.weekday % 7;
  DateTime dat1 = date1.add(Duration(days: (firstDayOfWeek - day1)));
  DateTime dat2 = date2.add(Duration(days: (endDayOfWeek - day2)));
  if( !isSameDate(dat1, ranges.startDate)|| !isSameDate(dat2,ranges.endDate))
    _controller.selectedRange = PickerDateRange(dat1, dat2);


View sample in Github.


week selection



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