116 lines
2.8 KiB
Dart
116 lines
2.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:sensors_plus/sensors_plus.dart';
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import 'package:vibration/vibration.dart';
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import 'dart:async';
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import './record_page.dart';
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class HomePage extends StatefulWidget {
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const HomePage({Key? key}) : super(key: key);
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@override
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State<HomePage> createState() => _HomePageState();
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}
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class _HomePageState extends State<HomePage> {
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StreamSubscription? _accelerometerSubscription;
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DateTime? _lastShakeTime;
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int _shakeCount = 0;
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bool _isNavigating = false;
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@override
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void initState() {
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super.initState();
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_initShakeDetection();
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}
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/// 初始化摇晃检测
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void _initShakeDetection() {
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_accelerometerSubscription = accelerometerEvents.listen((event) {
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// 主要检测左右摇晃（x轴）
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if (event.x.abs() > 25) {
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final now = DateTime.now();
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if (_lastShakeTime == null) {
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_lastShakeTime = now;
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_shakeCount = 1;
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} else {
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// 缩短有效时间窗口，要求更快的摇晃
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if (now.difference(_lastShakeTime!) < const Duration(milliseconds: 500)) {
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_shakeCount++;
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if (_shakeCount >= 2) {
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_navigateToRecordPageWithVibration();
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_shakeCount = 0;
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_lastShakeTime = null;
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}
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} else {
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// 重置计数
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_shakeCount = 1;
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}
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_lastShakeTime = now;
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}
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}
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});
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}
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/// 通过摇晃触发的导航（带震动）
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void _navigateToRecordPageWithVibration() async {
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if (_isNavigating) return;
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_isNavigating = true;
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// 添加震动反馈
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if (await Vibration.hasVibrator() ?? false) {
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Vibration.vibrate(duration: 200);
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}
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => const RecordPage(),
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maintainState: false,
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),
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).then((_) {
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_isNavigating = false;
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});
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}
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/// 通过按钮触发的导航（无震动）
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void _navigateToRecordPage() {
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if (_isNavigating) return;
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_isNavigating = true;
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => const RecordPage(),
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maintainState: false,
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),
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).then((_) {
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_isNavigating = false;
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});
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}
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@override
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void dispose() {
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_accelerometerSubscription?.cancel();
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super.dispose();
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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: AppBar(
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title: const Text('记账本'),
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),
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body: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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ElevatedButton(
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onPressed: _navigateToRecordPage,
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child: const Text('记账'),
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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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} |