lab3_4 ready

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:testlab/presentaition/home_page/home_page.dart';
 
 void main() {
   runApp(const MyApp());
@@ -7,64 +8,16 @@ void main() {
 class MyApp extends StatelessWidget {
   const MyApp({super.key});
 
-    @override
+  @override
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Flutter Demo',
+      debugShowCheckedModeBanner: false,
       theme: ThemeData(
-                                                                                                                                colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.pink),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+      home: const MyHomePage(title: 'Фирсов Кирилл Алексеевич'),
     );
   }
 }
-
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
-
-      
-        
-  final String title;
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-                                    _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-                            return Scaffold(
-      appBar: AppBar(
-                                backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-                        title: Text(widget.title),
-      ),
-      body: Center(
-                        child: Column(
-                                                                                                                                            mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ),     );
-  }
-}

lib/models/card.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class CardData {
+  final String text;
+  final String descriptionText;
+  final IconData icon;
+  final String? imageUrl;
+
+  CardData(
+      this.text, {
+        required this.descriptionText,
+        this.icon = Icons.cake,
+        this.imageUrl,
+      });
+}

lib/presentaition/details_page/details_page.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:testlab/models/card.dart';
+
+class DetailsPage extends StatelessWidget {
+  final CardData data;
+
+  const DetailsPage(this.data, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Colors.grey.shade600,
+      ),
+      body: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+            padding: const EdgeInsets.all( 16.0),
+            child: ClipRRect(
+              borderRadius: BorderRadius.circular(15),
+              child: Image.network(
+              data.imageUrl ?? '',
+                width: double.infinity,
+                fit: BoxFit.cover,
+              ),
+            ),
+          ),
+          Padding(
+            padding: const EdgeInsets.all(5.0),
+            child: Center(
+              child: Text(
+                data.text,
+                style: const TextStyle(
+                  color: Colors.white,
+                  fontSize: 22,
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+            ),
+          ),
+          Padding(
+            padding: const EdgeInsets.all(5.0),
+              child: Center(
+                  child: Text(
+                    data.descriptionText,
+                    style: const TextStyle(
+                      color: Colors.white,
+                      fontSize: 18,
+                    ),
+                  )
+                ),
+            ),
+        ],
+      ),
+      backgroundColor: Colors.black,
+    );
+  }
+}

lib/presentaition/home_page/card.dart

@@ -0,0 +1,173 @@
+part of 'home_page.dart';
+
+typedef OnLikeCallback = void Function(String title, bool isLiked)?;
+
+class _Card extends StatefulWidget {
+  final String text;
+  final String descriptionText;
+  final IconData icon;
+  final String? imageUrl;
+  final OnLikeCallback onLike;
+  final VoidCallback? onTap;
+
+  const _Card(
+      this.text, {
+        this.icon = Icons.catching_pokemon,
+        required this.descriptionText,
+        this.imageUrl,
+        this.onLike,
+        this.onTap,
+      });
+
+  factory _Card.fromData(
+      CardData data, {
+    OnLikeCallback onLike,
+    VoidCallback? onTap,
+  }) =>
+      _Card(
+        data.text,
+        descriptionText: data.descriptionText,
+        icon: data.icon,
+        imageUrl: data.imageUrl,
+        onLike: onLike,
+        onTap: onTap,
+      );
+
+  @override
+  State<_Card> createState() => _CardState();
+}
+
+class _CardState extends State<_Card> {
+  bool isLiked = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onLongPress: widget.onTap,
+      onDoubleTap: () {
+        setState(() {
+          isLiked = !isLiked;
+        });
+        widget.onLike?.call(widget.text, isLiked);
+      },
+      child: Container(
+        margin: const EdgeInsets.all(16),
+        constraints: const BoxConstraints(minHeight: 170),
+        decoration: BoxDecoration(
+          color: Colors.grey,
+          borderRadius: BorderRadius.circular(20),
+          boxShadow: [
+            BoxShadow(
+              color: Colors.grey.withOpacity(.5),
+              spreadRadius: 4,
+              offset: const Offset(0, 5),
+              blurRadius: 8,
+            ),
+          ],
+        ),
+        child: IntrinsicHeight(
+          child: Row(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+                Padding(
+                  padding: const EdgeInsets.only(
+                      left: 10,
+                      top: 10,
+                      right: 3,
+                      bottom: 10
+                  ),
+                  child: ClipRRect(
+                    borderRadius: BorderRadius.circular(15),
+                    child: SizedBox(
+                      height: double.infinity,
+                      width: 150,
+                      child: Image.network(
+                        widget.imageUrl ?? '',
+                        fit: BoxFit.cover,
+                        errorBuilder: (_, __, ___) => const Placeholder(),
+                      ),
+                    ),
+                ),
+              ),
+
+              Expanded(
+                child: Stack(
+                  children: [
+                    Align(
+                      alignment: Alignment.bottomLeft,
+                      child: Padding(
+                        padding: const EdgeInsets.only(
+                          left: 8.0,
+                          right: 8.0,
+                          bottom: 16.0,
+                        ),
+                        child: Icon(
+                          widget.icon,
+                        ),
+                      ),
+                    ),
+
+              Padding(
+                padding: const EdgeInsets.only(left: 3.0, top: 3.0),
+                child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Text(
+                        widget.text,
+                        style: const TextStyle(
+                          color: Colors.white,
+                          fontSize: 14,
+                          fontWeight: FontWeight.bold,
+                        ),
+                      ),
+                      Text(
+                        widget.descriptionText,
+                        style: const TextStyle(
+                          color: Colors.white,
+                          fontSize: 13,
+                            ),
+                          ),
+                        ]
+                      ),
+                    ),
+                  ],
+                )
+              ),
+              Align(
+                alignment: Alignment.bottomRight,
+                child: Padding(
+                  padding: const EdgeInsets.only(
+                    left: 8.0,
+                    right: 16.0,
+                    bottom: 16.0,
+                  ),
+                  child: GestureDetector(
+                    onTap: () {
+                      setState(() {
+                        isLiked = !isLiked;
+                      });
+                      widget.onLike?.call(widget.text, isLiked);
+                    },
+                    child: AnimatedSwitcher(
+                      duration: const Duration(milliseconds: 300),
+                      child: isLiked
+                          ? const Icon(
+                        Icons.thumb_up,
+                        color: Colors.redAccent,
+                        key: ValueKey<int>(0),
+                      )
+                          : const Icon(
+                        Icons.thumb_up_off_alt,
+                        key: ValueKey<int>(1),
+                      ),
+                    ),
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/presentaition/home_page/home_page.dart

@@ -0,0 +1,124 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:testlab/models/card.dart';
+import 'package:testlab/presentaition/details_page/details_page.dart';
+
+part 'card.dart';
+
+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.grey.shade600;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.black,
+      appBar: AppBar(
+          backgroundColor: _color,
+          title: Text(
+            widget.title,
+            style: const TextStyle(
+              color: Colors.white,
+              fontSize: 20,
+            ),
+          ),
+      ),
+      body: const Body(),
+    );
+  }
+}
+
+class Body extends StatelessWidget {
+  const Body({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final data = [
+      CardData(
+        'Mobile dev',
+        descriptionText: 'И когда ты успел стать экспертом в мобильной разработке?',
+        imageUrl:
+        'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQtsv2O-lLpxro9HH9CUejcymOOnGdQJwjasg&s',
+      ),
+      CardData(
+        'Грустный кот',
+        descriptionText: 'Котик грустит, аж плачет',
+        icon: Icons.star,
+        imageUrl:
+        'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcT--ZMDGsa_8y9r9u0RjAn576ajsVVfsOIcDA&s',
+      ),
+      CardData(
+        'Веселый кот',
+        descriptionText: 'Котик стал очень веселый, аж улыбается',
+        icon: Icons.work,
+        imageUrl:
+        'https://img-webcalypt.ru/storage/memes/YhGTdxW7HnbmhqAd37XjsMCTj1fHUW7AADagYMDbmyU9VBEhDBbq4d3XNGDWo34FibwtjyeVsyxudpzeViSmHdJ7e6C50tLbZnkZZAP81AV7aM0R8VSi4YEnqgcZ1EtE-md.jpeg',
+      ),
+      CardData(
+        'Кот накачаля',
+        descriptionText: 'Кот накачался, аж широкий',
+        icon: Icons.question_answer,
+        imageUrl:
+        'https://s00.yaplakal.com/pics/pics_original/9/1/8/11586819.jpg',
+      ),
+      CardData(
+        'Кот крутой',
+        descriptionText: 'Кот стал очень крутым, аж в очках',
+        icon: Icons.favorite_border,
+        imageUrl:
+        'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSmwxp_mc1c8Rukc6Dg4GLNv1JLZbO7DKqF4w&s',
+      ),
+    ];
+    return Center(
+      child: SingleChildScrollView(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: data.map((data) {
+            return _Card.fromData(
+              data,
+              onLike: (String title, bool isLiked) =>
+                  _showSnackBar(context, title, isLiked),
+              onTap: () => _navToDetails(context, data),
+            );
+          }).toList(),
+        ),
+      ),
+    );
+  }
+
+  void _navToDetails(BuildContext context, CardData data) {
+    Navigator.push(
+      context,
+      CupertinoPageRoute(builder: (context) => DetailsPage(data)),
+    );
+  }
+
+  void _showSnackBar(BuildContext context, String title, bool isLiked) {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+        content: Text(
+          'You ${isLiked ? 'like!' : 'disliked :('} $title ',
+          style: const TextStyle(
+            color: Colors.white,
+            fontSize: 18,
+            fontWeight: FontWeight.bold,
+          ),
+        ),
+        backgroundColor: Colors.black,
+        duration: const Duration(seconds: 1),
+      ));
+    });
+  }}