Flutter date range pickers use a dialog window to select a range of date on mobile.
Add to pubspec.yaml
in dependencies
date_range_picker: ^1.0.5
import 'package:date_range_picker/date_range_picker.dart' as DateRagePicker;
...
new MaterialButton(
color: Colors.deepOrangeAccent,
onPressed: () async {
final List<DateTime> picked = await DateRagePicker.showDatePicker(
context: context,
initialFirstDate: new DateTime.now(),
initialLastDate: (new DateTime.now()).add(new Duration(days: 7)),
firstDate: new DateTime(2015),
lastDate: new DateTime(2020)
);
if (picked != null && picked.length == 2) {
print(picked);
}
},
child: new Text("Pick date range")
)