getPresentationWidgetsCommonDatePickerTemplate function

String getPresentationWidgetsCommonDatePickerTemplate(String projectName)

Implementation

String getPresentationWidgetsCommonDatePickerTemplate(String projectName) {
  return '''
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

class CommonDatePicker {
  /// Returns formatted date (dd/MM/yyyy)
  static Future<String?> pickBirthDate(BuildContext context) async {
    final DateTime today = DateTime.now();

    /// Minimum age = 18
    final DateTime lastDate = DateTime(today.year - 18, today.month, today.day);

    /// Maximum age = 100
    final DateTime firstDate = DateTime(
      today.year - 100,
      today.month,
      today.day,
    );

    final DateTime? pickedDate = await showDatePicker(
      context: context,
      initialDate: lastDate,
      firstDate: firstDate,
      lastDate: lastDate,
      builder: (context, child) {
        return Theme(
          data: Theme.of(context).copyWith(
            colorScheme: const ColorScheme.light(
              primary: Colors.black,
              onPrimary: Colors.white,
              onSurface: Colors.black,
            ),
          ),
          child: child!,
        );
      },
    );

    if (pickedDate != null) {
      /// Format date dd/MM/yyyy
      return DateFormat('dd/MM/yyyy').format(pickedDate);
    }

    return null;
  }

  /// Optional method if you need raw DateTime
  static Future<DateTime?> pickBirthDateRaw(BuildContext context) async {
    final DateTime today = DateTime.now();

    final DateTime lastDate = DateTime(today.year - 18, today.month, today.day);

    final DateTime firstDate = DateTime(
      today.year - 100,
      today.month,
      today.day,
    );

    return await showDatePicker(
      context: context,
      initialDate: lastDate,
      firstDate: firstDate,
      lastDate: lastDate,
    );
  }
}
''';
}