64 lines
1.5 KiB
Dart
64 lines
1.5 KiB
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'guess_app_bar.dart';
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import 'result_notice.dart';
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class GuessPage extends StatefulWidget {
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const GuessPage({super.key, required this.title});
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final String title;
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@override
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State<GuessPage> createState() => _GuessPageState();
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}
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class _GuessPageState extends State<GuessPage> {
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int _value = 0;
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Random _random = Random();
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void _generateRandomValue() {
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setState(() {
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_value = _random.nextInt(100);
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: GuessAppBar(),
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body: Stack(
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children: [
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Column(
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children: [
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ResultNotice(color:Colors.redAccent,info:'大了'),
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ResultNotice(color:Colors.blueAccent,info:'小了'),
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],
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),
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Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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const Text(
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'点击生成随机数值',
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),
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Text(
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'$_value',
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style: Theme.of(context).textTheme.headlineMedium,
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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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floatingActionButton: FloatingActionButton(
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onPressed: _generateRandomValue,
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tooltip: 'Increment',
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child: const Icon(Icons.generating_tokens_outlined),
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),
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);
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}
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}
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