cpd/lib/pages/iconpage.dart

import 'package:flutter/material.dart';

class IconPage extends StatelessWidget {
  final IconData selectedIcon;
  final ValueChanged<IconData> onIconSelected;

  const IconPage({Key? key, required this.selectedIcon, required this.onIconSelected}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final List<IconData> icons = [
      Icons.star,
      Icons.favorite,
      Icons.check,
      Icons.home,
      Icons.access_alarm,
      Icons.import_contacts_rounded,
      Icons.code,
      Icons.face,
      Icons.format_paint,
      Icons.book,
      Icons.event_busy,
      Icons.self_improvement_outlined,
      Icons.snowshoeing,
      Icons.family_restroom,
      Icons.notification_important,
      Icons.local_drink,
      Icons.music_note,
      Icons.edit_note,
      Icons.healing,
      Icons.tv
    ];

    return Scaffold(
      appBar: AppBar(
        title: const Text('Choose your icon'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(10.0),
        child: GridView.builder(
          gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
            crossAxisCount: 4,
            crossAxisSpacing: 8.0,
            mainAxisSpacing: 8.0,
          ),
          itemCount: icons.length,
          itemBuilder: (context, index) {
            return InkWell(
              onTap: () {
                onIconSelected(icons[index]);
                Navigator.pop(context, icons[index]);
              },
              child: Container(
                decoration: BoxDecoration(
                  color: Colors.grey[200],
                  borderRadius: BorderRadius.circular(10.0),
                ),
                child: Icon(
                  icons[index],
                  size: 35.0,
                  color: selectedIcon == icons[index] ? Colors.purple : Colors.black,
                ),
              ),
            );
          },
        ),
      ),
    );
  }
}