126 lines
3.0 KiB
Dart
126 lines
3.0 KiB
Dart
import 'dart:math';
|
|
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter/services.dart';
|
|
import 'guess_app_bar.dart';
|
|
import 'result_notice.dart';
|
|
|
|
class GuessPage extends StatefulWidget {
|
|
const GuessPage({super.key});
|
|
|
|
@override
|
|
State<GuessPage> createState() => _GuessPageState();
|
|
}
|
|
|
|
class _GuessPageState extends State<GuessPage> with SingleTickerProviderStateMixin,AutomaticKeepAliveClientMixin{
|
|
|
|
late AnimationController controller;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
controller = AnimationController(
|
|
vsync: this,
|
|
duration: const Duration(milliseconds: 200),
|
|
);
|
|
}
|
|
|
|
|
|
int _value = 0;
|
|
|
|
final Random _random = Random();
|
|
bool _guessing = false;
|
|
bool? _isBig;
|
|
|
|
|
|
@override
|
|
void dispose() {
|
|
_guessCtrl.dispose();
|
|
controller.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
void _generateRandomValue() {
|
|
setState(() {
|
|
_guessing = true;
|
|
_value = _random.nextInt(100);
|
|
print(_value);
|
|
});
|
|
}
|
|
|
|
TextEditingController _guessCtrl = TextEditingController();
|
|
|
|
void _onCheck() {
|
|
print("=====Check:目标数值:$_value=====${_guessCtrl.text}============");
|
|
int? guessValue = int.tryParse(_guessCtrl.text);
|
|
// 游戏未开始，或者输入非整数，无视
|
|
if (!_guessing || guessValue == null) return;
|
|
controller.forward(from: 0);
|
|
//猜对了
|
|
if (guessValue == _value) {
|
|
setState(() {
|
|
_isBig = null;
|
|
_guessing = false;
|
|
});
|
|
return;
|
|
}
|
|
// 猜错了
|
|
setState(() {
|
|
_isBig = guessValue > _value;
|
|
});
|
|
_guessCtrl.clear();
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Scaffold(
|
|
appBar: GuessAppBar(
|
|
controller: _guessCtrl,
|
|
onCheck: _onCheck,
|
|
),
|
|
body: Stack(
|
|
children: [
|
|
if(_isBig!=null)
|
|
Column(
|
|
children: [
|
|
if(_isBig!)
|
|
ResultNotice(color:Colors.redAccent,info:'大了',controller: controller,),
|
|
Spacer(),
|
|
if(!_isBig!)
|
|
ResultNotice(color:Colors.blueAccent,info:'小了',controller: controller,),
|
|
],
|
|
),
|
|
Center(
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: <Widget>[
|
|
if (!_guessing)
|
|
const Text(
|
|
'点击生成随机数值',
|
|
),
|
|
Text(
|
|
_guessing ? '**' : '$_value',
|
|
style: const TextStyle(
|
|
fontSize: 68, fontWeight: FontWeight.bold),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
floatingActionButton: FloatingActionButton(
|
|
onPressed: _guessing ? null : _generateRandomValue,
|
|
backgroundColor: _guessing ? Colors.grey : Colors.blue,
|
|
tooltip: 'Increment',
|
|
child: const Icon(Icons.generating_tokens_outlined),
|
|
),
|
|
);
|
|
}
|
|
|
|
@override
|
|
// TODO: implement wantKeepAlive
|
|
bool get wantKeepAlive => true;
|
|
|
|
|
|
}
|