PMU/lib/main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});


  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple.shade300),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Энциклопедия кошек'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final Color _color = Colors.deepPurple.shade300;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: _color,
        title: Text(widget.title),
      ),
      body: const MyWidget(),
    );
  }
}

class _CardData {
  final String text;
  final String descriptionText;
  final IconData icon;
  final String? imageUrl;

  _CardData(
    this.text, {
    required this.descriptionText,
    this.icon = Icons.ac_unit_outlined,
    this.imageUrl,
  });
}

class MyWidget extends StatelessWidget {
  const MyWidget({super.key}); // ключи

@override
  Widget build(BuildContext context) {
  final data = [
    _CardData(
      'Абиссинская',
      descriptionText: 'Эфиопия',
      imageUrl: 'https://ajo-pet.ru/u/ckupload/files/abissinskaya-koshka-sorrel.jpg'
    ),
    _CardData(
      'Британская',
      descriptionText: 'Великобритания',
      imageUrl: 'https://zoopt.ru/upload/iblock/ce2/britan.png',
    ),
    _CardData(
      'Невская Маскарадная',
      descriptionText: 'СССР',
      imageUrl: 'https://wikipet.ru/wp-content/uploads/2018-10/1539243031_1491312430_nev_mask_info.jpg',
    ),
  ];

  return Center(
    child: SingleChildScrollView(
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        children: data.map((e) => _Card.fromData(e)).toList(),
      ),
    ),
  );
}
}

class _Card extends StatelessWidget {
  final String text;
  final String descriptionText;
  final IconData icon;
  final String? imageUrl;

  const _Card(this.text, {
    this.icon = Icons.ac_unit_outlined,
    required this.descriptionText,
    this.imageUrl,
  });

  factory _Card.fromData(_CardData data) =>
      _Card(
        data.text,
        descriptionText: data.descriptionText,
        icon: data.icon,
        imageUrl: data.imageUrl,
      );

  @override
  Widget build(BuildContext context) {
    return Container(
      margin: const EdgeInsets.only(top: 16),
      padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(
          color: Colors.white70,
          borderRadius: BorderRadius.circular(20),
          border: Border.all(color: Colors.grey),
          boxShadow: [
            BoxShadow(
              color: Colors.grey.withOpacity(.5),
              spreadRadius: 4,
              offset:  const Offset(0, 5),
              blurRadius: 8,
            ),
        ],
      ),
      child: Row(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          ClipRRect(
            borderRadius: BorderRadius.circular(20),
            child: SizedBox(
              height: 140,
              width: 140,
              child: Image.network(
                imageUrl ?? '',
                fit: BoxFit.cover,
                errorBuilder: (_, __, ___) => const Placeholder(),
              ),
            ),
          ),
          Expanded(
            child: Padding(
              padding: const EdgeInsets.only(left: 8.0),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    text,
                    style: TextStyle(fontSize: 25),
                  ),
                  Text(
                    descriptionText,
                    style: TextStyle(fontSize: 19),
                  ),
                ],
              ),
            ),
          ),
          Padding(
            padding: const EdgeInsets.only(left: 8.0),
            child: Icon(icon),
          ),
        ],
      ),
    );
  }
}