end lab2
This commit is contained in:
160
lib/main.dart
160
lib/main.dart
@@ -1,8 +1,5 @@
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import 'dart:math';
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import 'package:flutter/material.dart';
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void main() {
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runApp(const MyApp());
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}
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@@ -25,56 +22,147 @@ class MyApp extends StatelessWidget {
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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final String title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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int _counter = 0;
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Color _color = Colors.orangeAccent;
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void _incrementCounter() {
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setState(() {
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_counter++;
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_color = Color((Random().nextDouble() * 0xFFFFFF).toInt()).withOpacity(1.0);
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});
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}
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final Color _color = Colors.orangeAccent;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: _color,
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title: Text('Катышева Наталья Евгеньевна'),
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title: Text(widget.title),
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),
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body: Center(
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child: Column(
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body: const MyWidget(),
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);
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}
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}
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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const Text(
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'You have pushed the button this many times:',
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),
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Text(
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'$_counter',
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style: Theme.of(context).textTheme.headlineMedium,
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),
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if (_counter > 10)
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Text(
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'Why are you clicking?',
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style: Theme.of(context).textTheme.headlineMedium,
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),
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class MyWidget extends StatelessWidget {
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const MyWidget({super.key});
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],
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@override
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Widget build(BuildContext context) {
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final data = [
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_CardDate(
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'Какая-то новость',
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description: 'В данном блоке рекомендуем разместить краткую информацию',
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imgUrl:
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'https://universal.revengel.ru/assets/cache_image/images/services/3_731x487_1cb.png',
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),
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_CardDate(
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'Ещё какая-то новость',
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description: 'В данном блоке рекомендуем разместить краткую информацию',
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imgUrl:
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"https://universal.revengel.ru/assets/cache_image/images/services/2_731x487_1cb.png",
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),
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_CardDate(
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'Ещё одна новость',
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description: 'В данном блоке рекомендуем разместить краткую информацию',
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imgUrl:
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"https://universal.revengel.ru/assets/cache_image/images/services/1_731x487_1cb.png",
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)
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];
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return Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.only(left: 20, right: 20, top: 20),
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child: Column(
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children: data.map((e) => _Card.fromData(e)).toList(),
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),
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),
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floatingActionButton: FloatingActionButton(
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backgroundColor: _color,
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onPressed: _incrementCounter,
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tooltip: 'Increment',
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child: const Icon(Icons.add),
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),
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);
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}
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}
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class _CardDate {
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final String text;
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final String description;
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final String? imgUrl;
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_CardDate(
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this.text, {
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required this.description,
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this.imgUrl,
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});
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}
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class _Card extends StatelessWidget {
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final String text;
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final String description;
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final String? imgUrl;
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const _Card(
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this.text, {
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required this.description,
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this.imgUrl,
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});
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factory _Card.fromData(_CardDate data) => _Card(
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data.text,
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description: data.description,
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imgUrl: data.imgUrl,
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);
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@override
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Widget build(BuildContext context) {
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return Container(
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margin: const EdgeInsets.only(bottom: 20),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(20),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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spreadRadius: 1,
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offset: const Offset(0, 0),
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blurRadius: 15,
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)
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]),
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child: Column(children: [
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ClipRRect(
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borderRadius: const BorderRadius.only(
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topLeft: Radius.circular(20), topRight: Radius.circular(20)),
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child: Image.network(
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imgUrl ?? '',
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errorBuilder: (_, __, ___) => const Placeholder(),
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fit: BoxFit.fitWidth,
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),
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),
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Padding(
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.only(bottom:10),
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child: Text(
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text,
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style: const TextStyle(
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color: Color(0xff4c4c4c),
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fontSize: 30,
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fontWeight: FontWeight.bold,
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),
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),
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),
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Text(
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description,
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style: const TextStyle(
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color: Color(0xff9c9c9c),
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fontSize: 20,
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fontWeight: FontWeight.normal,
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),
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),
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],
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),
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),
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]),
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);
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}
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}
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