Dialog Delete Confirmation

import 'package:flutter/material.dart';
import 'package:gap/gap.dart';

void showDialogConfirmation() async {
  final result = await showDialog(
    context: context,
    builder: (context) {
      return SimpleDialog(
        contentPadding: const EdgeInsets.all(20),
        children: [
          const Icon(Icons.info_outline_rounded,
              size: 50, color: Colors.black38),
          const Gap(16),
          const Text(
            'Are you sure you want to delete this product?',
            textAlign: TextAlign.center,
            style: TextStyle(
              fontWeight: FontWeight.w400,
              fontSize: 16,
            ),
          ),
          const Gap(20),
          Row(
            children: [
              Expanded(
                child: FilledButton(
                  onPressed: () {
                    Navigator.pop(context, 'yes');
                  },
                  style: ButtonStyle(
                    backgroundColor: const WidgetStatePropertyAll(Colors.red),
                    foregroundColor:
                        const WidgetStatePropertyAll(Colors.white),
                    shape: WidgetStatePropertyAll(
                      RoundedRectangleBorder(
                        borderRadius: BorderRadius.circular(12),
                      ),
                    ),
                  ),
                  child: const Text('Yes, I\'m sure'),
                ),
              ),
              const Gap(16),
              Expanded(
                child: OutlinedButton(
                  onPressed: () {
                    Navigator.pop(context, 'no');
                  },
                  style: ButtonStyle(
                    foregroundColor:
                        const WidgetStatePropertyAll(Colors.black54),
                    shape: WidgetStatePropertyAll(
                      RoundedRectangleBorder(
                        borderRadius: BorderRadius.circular(12),
                      ),
                    ),
                  ),
                  child: const Text('No, cancel'),
                ),
              ),
            ],
          ),
        ],
      );
    },
  );
  print('result: $result');
  if (result == null) return;
  if (result is! String) return;
  if (result == 'no') {
    print('cancelling...');
    return;
  }
  if (result == 'yes') {
    print('deleting...');
    return;
  }
}