How to restrict date range picker within the date limit in Flutter date range picker (SfDateRangePicker)?

In the flutter date range picker, you can restrict the swiping behavior using the minDate and maxDate property.

Step 1:

In initState(), set the default values for min and max dates.

late DateTime _minDate, _maxDate;

@override
void initState() {
  _minDate = DateTime(2020, 3, 5, 9, 0, 0);
  _maxDate = DateTime(2020, 3, 25, 9, 0, 0);
  super.initState();
}

Step 2:

Place the date picker inside the body of the Scaffold widget with the mentioned min and max date.

body: Card(
  margin: const EdgeInsets.fromLTRB(50, 150, 50, 150),
  child: SfDateRangePicker(
    view: DateRangePickerView.month,
    minDate: _minDate,
    maxDate: _maxDate,
  ),
)

Step 3:

Please find the entire code for the date restriction as follows.

import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_datepicker/datepicker.dart';
 
void main() => runApp(SwipeRestriction());
 
class SwipeRestriction extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false ,
      home: ViewRestriction(),
    );
  }
}
 
class ViewRestriction extends StatefulWidget {
  @override
  _ViewRestrictionState createState() => _ViewRestrictionState();
}
 
class _ViewRestrictionState extends State<ViewRestriction> {
  late DateTime _minDate, _maxDate;

  @override
  void initState() {
    _minDate = DateTime(2020, 3, 5, 9, 0, 0);
    _maxDate = DateTime(2020, 3, 25, 9, 0, 0);
    super.initState();
  }
 
  @override
  Widget build(BuildContext context) {
    return Scaffold(
        body: Card(
          margin: const EdgeInsets.fromLTRB(40, 150, 40, 150),
          child: SfDateRangePicker(
            view: DateRangePickerView.month,
            minDate: _minDate,
            maxDate: _maxDate,
          ),
        )
    );
  }
}

View document in Syncfusion Flutter Knowledge base

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