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晃动待优化 键盘小数点逻辑待优化 时间显示ok

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daodaoshi 2024-12-19 00:44:34 +08:00
parent 211fa195cb
commit 00e5316b52
7 changed files with 440 additions and 112 deletions
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2
android/app/build.gradle
View File

@ -46,7 +46,7 @@ android {
// You can update the following values to match your application needs.
// For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
minSdkVersion flutter.minSdkVersion
targetSdkVersion flutter.targetSdkVersion
targetSdkVersion 33
versionCode flutterVersionCode.toInteger()
versionName flutterVersionName
}

5
android/app/src/main/AndroidManifest.xml
View File

@ -1,9 +1,10 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<uses-permission android:name="android.permission.VIBRATE"/>
<application
android:label="swing_account"
android:label="摇晃记账"
android:name="${applicationName}"
android:icon="@mipmap/ic_launcher">
android:icon="@mipmap/ic_launcher"
android:enableOnBackInvokedCallback="true">
<activity
android:name=".MainActivity"
android:exported="true"

109
lib/pages/home_page.dart
View File

@ -18,11 +18,41 @@ class HomePage extends StatefulWidget {
class _HomePageState extends State<HomePage> {
StreamSubscription? _accelerometerSubscription;
DateTime? _lastShakeTime;
int _shakeCount = 0;
List<double> _recentXValues = []; // 存储原始x轴加速度值（不取绝对值）
bool _isNavigating = false;
final _dbService = DatabaseService();
List<Record> records = [];
// 定义摇晃检测的常量
static const double _shakeThreshold = 8.0; // 单次摇晃的加速度阈值
static const double _directionThreshold = 2.0; // 方向改变的最小加速度
static const int _sampleSize = 3; // 采样数量
static const Duration _shakeWindow = Duration(milliseconds: 800);
static const Duration _cooldown = Duration(milliseconds: 50);
/// 检测有效的摇晃
bool _isValidShake() {
if (_recentXValues.length < _sampleSize) return false;
// 检查是否有足够大的加速度
bool hasStrongShake = _recentXValues.any((x) => x.abs() > _shakeThreshold);
if (!hasStrongShake) return false;
// 检查方向变化
bool hasDirectionChange = false;
for (int i = 1; i < _recentXValues.length; i++) {
// 如果相邻两个值的符号相反，且都超过方向阈值，说明发生了方向改变
if (_recentXValues[i].abs() > _directionThreshold &&
_recentXValues[i - 1].abs() > _directionThreshold &&
_recentXValues[i].sign != _recentXValues[i - 1].sign) {
hasDirectionChange = true;
break;
}
}
return hasDirectionChange;
}
@override
void initState() {
super.initState();
@ -30,6 +60,17 @@ class _HomePageState extends State<HomePage> {
_loadRecords();
}
/// 重置摇晃检测状态
void _resetShakeDetection() {
_lastShakeTime = null;
_recentXValues.clear();
_isNavigating = false;
// 重新初始化传感器监听
_accelerometerSubscription?.cancel();
_initShakeDetection();
}
/// 加载记录
Future<void> _loadRecords() async {
final loadedRecords = await _dbService.getAllRecords();
@ -41,30 +82,48 @@ class _HomePageState extends State<HomePage> {
/// 初始化摇晃检测
void _initShakeDetection() {
_accelerometerSubscription = accelerometerEvents.listen((event) {
// 主要检测左右摇晃（x轴）
if (event.x.abs() > 25) {
_accelerometerSubscription = accelerometerEvents.listen(
(event) {
if (_isNavigating) return; // 如果正在导航，忽略摇晃检测
final now = DateTime.now();
if (_lastShakeTime == null) {
_lastShakeTime = now;
_shakeCount = 1;
} else {
// 缩短有效时间窗口，要求更快的摇晃
if (now.difference(_lastShakeTime!) < const Duration(milliseconds: 500)) {
_shakeCount++;
if (_shakeCount >= 2) {
_navigateToRecordPageWithVibration();
_shakeCount = 0;
_lastShakeTime = null;
}
} else {
// 重置计数
_shakeCount = 1;
}
_lastShakeTime = now;
// 添加新的x轴值（保留正负号）
_recentXValues.add(event.x);
if (_recentXValues.length > _sampleSize) {
_recentXValues.removeAt(0);
}
}
});
// 检查是否处于冷却期
if (_lastShakeTime != null &&
now.difference(_lastShakeTime!) < _cooldown) {
return;
}
// 检测有效的摇晃
if (_isValidShake()) {
if (_lastShakeTime == null) {
_lastShakeTime = now;
_recentXValues.clear();
} else {
final timeDiff = now.difference(_lastShakeTime!);
if (timeDiff < _shakeWindow) {
_navigateToRecordPageWithVibration();
_lastShakeTime = null;
_recentXValues.clear();
} else {
_lastShakeTime = now;
_recentXValues.clear();
}
}
}
},
onError: (error) {
debugPrint('Accelerometer error: $error');
_resetShakeDetection(); // 发生错误时重置检测
},
cancelOnError: false, // 错误时不取消订阅，而是重置
);
}
/// 带震动的记账页面导航
@ -82,6 +141,7 @@ class _HomePageState extends State<HomePage> {
/// 导航到记账页面
void _navigateToRecordPage([Record? record]) {
_isNavigating = true; // 设置导航标志
Navigator.push(
context,
MaterialPageRoute(
@ -99,7 +159,8 @@ class _HomePageState extends State<HomePage> {
maintainState: false,
),
).then((_) {
_isNavigating = false;
// 返回时重置检测状态
_resetShakeDetection();
});
}

341
lib/pages/record_page.dart
View File

@ -1,4 +1,5 @@
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import '../models/record.dart';
import '../data/categories.dart';
import 'package:uuid/uuid.dart';
@ -24,30 +25,43 @@ class _RecordPageState extends State<RecordPage> with SingleTickerProviderStateM
double _amount = 0.0;
DateTime _selectedDate = DateTime.now();
final _uuid = const Uuid();
String _inputBuffer = '0.0'; // 用于显示的字符串
String? _pendingOperation; // 等待执行的运算符
double? _pendingValue; // 等待计算的第一个值
bool _isNewInput = true; // 是否开始新的输入
@override
void initState() {
super.initState();
// 如果是编辑模式，初始化现有记录的数据
if (widget.record != null) {
_selectedCategoryId = widget.record!.categoryId;
_note = widget.record!.note ?? '';
_amount = widget.record!.amount;
_selectedDate = widget.record!.createTime;
}
// 先初始化 TabController
_tabController = TabController(
length: 2,
vsync: this,
initialIndex: widget.record?.type == RecordType.income ? 1 : 0,
);
_tabController.addListener(_onTabChanged);
// 初始化数据
if (widget.record != null) {
// 编辑模式：初始化现有记录的数据
_selectedCategoryId = widget.record!.categoryId;
_note = widget.record!.note ?? '';
_amount = widget.record!.amount;
_selectedDate = widget.record!.createTime;
// 设置输入缓冲区为当前金额的格式化字符串
_inputBuffer = _formatNumberForDisplay(widget.record!.amount);
_isNewInput = false;
} else {
// 新建模式：默认选中第一个分类
_selectedCategoryId = _currentCategories.first.id;
}
}
/// 标签切换监听
void _onTabChanged() {
setState(() {
_selectedCategoryId = null; // 切换类型时重置选中的分类
// 切换类型时选中新类型的第一个分类
_selectedCategoryId = _currentCategories.first.id;
});
}
@ -87,6 +101,234 @@ class _RecordPageState extends State<RecordPage> with SingleTickerProviderStateM
Navigator.of(context).pop();
}
/// 格式化显示金额
String get _displayAmount {
if (_pendingOperation != null && _pendingValue != null) {
return '$_pendingValue $_pendingOperation ${_isNewInput ? "" : _inputBuffer}';
}
return _inputBuffer;
}
/// 处理数字输入
void _handleNumber(String digit) {
setState(() {
if (_isNewInput) {
// 新输入时直接替换
_inputBuffer = digit;
_isNewInput = false;
} else if (_inputBuffer == '0' && !_inputBuffer.contains('.')) {
// 当前是0且没有小数点时，直接替换0
_inputBuffer = digit;
} else if (_inputBuffer == '0.0') {
// 如果是默认状态，直接替换为新数字
_inputBuffer = digit;
_isNewInput = false;
} else {
// 其他情况追加数字
_inputBuffer = _inputBuffer + digit;
}
_amount = double.parse(_inputBuffer);
});
}
/// 处理小数点
void _handleDecimal() {
setState(() {
if (!_inputBuffer.contains('.')) {
// 如果是默认状态(0.0)或只有0，直接显示0.
if (_inputBuffer == '0.0' || _inputBuffer == '0') {
_inputBuffer = '0.';
_isNewInput = false;
} else {
// 其他数字直接加小数点
_inputBuffer = '$_inputBuffer.';
}
} else {
// 已有小数点时震动反馈
HapticFeedback.heavyImpact();
}
});
}
/// 处理删除
void _handleDelete() {
setState(() {
if (_pendingOperation != null && !_isNewInput) {
// 删除第二个数字
if (_inputBuffer.length > 1) {
_inputBuffer = _inputBuffer.substring(0, _inputBuffer.length - 1);
if (_inputBuffer.isEmpty || _inputBuffer == '0') {
_inputBuffer = '0.0';
_isNewInput = true;
}
} else {
_inputBuffer = '0.0';
_isNewInput = true;
}
} else if (_pendingOperation != null) {
// 删除运算符
_inputBuffer = _pendingValue.toString();
_pendingOperation = null;
_pendingValue = null;
_isNewInput = false;
} else {
// 删除普通数字
if (_inputBuffer.length > 1) {
_inputBuffer = _inputBuffer.substring(0, _inputBuffer.length - 1);
if (_inputBuffer.isEmpty || _inputBuffer == '0') {
_inputBuffer = '0.0';
}
} else {
_inputBuffer = '0.0';
}
}
_amount = double.parse(_inputBuffer);
});
}
/// 处理运算符
void _handleOperator(String operator) {
// 如果有待处理的运算，先计算结果
if (_pendingOperation != null && !_isNewInput) {
// 先保存当前运算符，因为计算可能会重置状态
final newOperator = operator;
_calculateResult();
// 如果计算导致重置（结果为0），不添加新的运算符
if (_inputBuffer == '0.0') {
return;
}
// 计算完成后，设置新的运算符
setState(() {
_pendingOperation = newOperator;
_pendingValue = double.parse(_inputBuffer);
_isNewInput = true;
});
} else {
// 正常设置运算符
setState(() {
_pendingOperation = operator;
_pendingValue = double.parse(_inputBuffer);
_isNewInput = true;
});
}
}
/// 计算结果
void _calculateResult() {
if (_pendingOperation != null && _pendingValue != null && !_isNewInput) {
final currentValue = double.parse(_inputBuffer);
double result;
switch (_pendingOperation) {
case '+':
result = _pendingValue! + currentValue;
if (result == 0) {
_resetToDefault();
return;
}
break;
case '-':
result = _pendingValue! - currentValue;
if (result <= 0) {
_resetToDefault();
return;
}
break;
default:
return;
}
setState(() {
// 格式化结果，去掉不必要的小数位
_inputBuffer = _formatNumberForDisplay(result);
_amount = result;
_pendingOperation = null;
_pendingValue = null;
_isNewInput = true;
});
}
}
/// 重置到默认状态
void _resetToDefault() {
setState(() {
_inputBuffer = '0.0';
_amount = 0;
_pendingOperation = null;
_pendingValue = null;
_isNewInput = true;
});
}
/// 格式化数字用于显示
String _formatNumberForDisplay(double number) {
// 如果是整数，直接返回整数部分
if (number % 1 == 0) {
return number.toInt().toString();
}
// 如果是小数，去掉末尾的0
String numStr = number.toString();
while (numStr.endsWith('0')) {
numStr = numStr.substring(0, numStr.length - 1);
}
if (numStr.endsWith('.')) {
numStr = numStr.substring(0, numStr.length - 1);
}
return numStr;
}
/// 修改键盘按钮处理逻辑
void _onKeyboardButtonPressed(String value) {
switch (value) {
case '删除':
_handleDelete();
break;
case '保存':
_calculateResult();
_saveRecord();
break;
case 'again':
// TODO: 实现again功能
break;
case '+':
case '-':
_handleOperator(value);
break;
case '.':
_handleDecimal();
break;
default:
_handleNumber(value);
}
}
/// 格式化日期显示
String _formatDate(DateTime date) {
final now = DateTime.now();
final today = DateTime(now.year, now.month, now.day);
final dateToCheck = DateTime(date.year, date.month, date.day);
final difference = today.difference(dateToCheck).inDays;
// 检查是否是今天、昨天、前天
switch (difference) {
case 0:
return '今天';
case 1:
return '昨天';
case 2:
return '前天';
default:
// 如果是当年
if (date.year == now.year) {
return '${date.month}/${date.day}';
}
// 不是当年
return '${date.year}/${date.month}/${date.day}';
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
@ -175,26 +417,7 @@ class _RecordPageState extends State<RecordPage> with SingleTickerProviderStateM
mainAxisSize: MainAxisSize.min,
children: [
// 备注和金额
Row(
children: [
Expanded(
child: TextField(
decoration: const InputDecoration(
hintText: '添加备注',
border: InputBorder.none,
),
onChanged: (value) => setState(() => _note = value),
),
),
Text(
'¥${_amount.toStringAsFixed(2)}',
style: const TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
],
),
_buildNoteAndAmount(),
// 配置按钮
Row(
children: [
@ -218,9 +441,7 @@ class _RecordPageState extends State<RecordPage> with SingleTickerProviderStateM
}
},
icon: const Icon(Icons.calendar_today),
label: Text(_selectedDate == DateTime.now()
? '今天'
: '${_selectedDate.month}月${_selectedDate.day}日'),
label: Text(_formatDate(_selectedDate)),
),
TextButton.icon(
onPressed: () {
@ -279,39 +500,29 @@ class _RecordPageState extends State<RecordPage> with SingleTickerProviderStateM
);
}
/// 处理键盘按钮点击
void _onKeyboardButtonPressed(String value) {
switch (value) {
case '删除':
setState(() {
final amountStr = _amount.toStringAsFixed(2);
if (amountStr.length > 1) {
_amount = double.parse(amountStr.substring(0, amountStr.length - 1));
} else {
_amount = 0;
}
});
break;
case '保存':
_saveRecord();
break;
case 'again':
// TODO: 实现again功能
break;
case '+':
case '-':
// TODO: 实现加减功能
break;
case '.':
// TODO: 实现小数点功能
break;
default:
if (_amount == 0) {
setState(() => _amount = double.parse(value));
} else {
setState(() => _amount = double.parse('$_amount$value'));
}
}
/// 构建底部编辑区域中的备注和金额行
Widget _buildNoteAndAmount() {
return Row(
children: [
Expanded(
child: TextField(
controller: TextEditingController(text: _note), // 使用控制器设置初始值
decoration: const InputDecoration(
hintText: '添加备注',
border: InputBorder.none,
),
onChanged: (value) => setState(() => _note = value),
),
),
Text(
_displayAmount,
style: const TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
],
);
}
@override

49
lib/utils/date_formatter.dart Normal file
View File

@ -0,0 +1,49 @@
class DateFormatter {
/// 格式化日期显示
static String formatDate(DateTime date) {
final now = DateTime.now();
final today = DateTime(now.year, now.month, now.day);
final dateToCheck = DateTime(date.year, date.month, date.day);
final difference = today.difference(dateToCheck).inDays;
// 格式化日期部分
String dateStr;
if (date.year == now.year) {
// 当年日期显示 月-日
dateStr = '${_padZero(date.month)}-${_padZero(date.day)}';
} else {
// 非当年日期显示 年-月-日
dateStr = '${date.year}-${_padZero(date.month)}-${_padZero(date.day)}';
}
// 获取提示文案
String hint;
switch (difference) {
case 0:
hint = '今天';
break;
case 1:
hint = '昨天';
break;
case 2:
hint = '前天';
break;
default:
// 获取星期几
hint = _getWeekDay(date);
}
return '$dateStr $hint';
}
/// 数字补零
static String _padZero(int number) {
return number.toString().padLeft(2, '0');
}
/// 获取星期几
static String _getWeekDay(DateTime date) {
final weekDays = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
return weekDays[date.weekday % 7];
}
}

44
lib/widgets/record_list.dart
View File

@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
import '../models/record.dart';
import '../data/categories.dart';
import './record_detail_dialog.dart';
import '../utils/date_formatter.dart';
class RecordList extends StatelessWidget {
final List<Record> records;
@ -22,23 +23,22 @@ class RecordList extends StatelessWidget {
}
/// 按日期分组记录
Map<String, List<Record>> _groupByDate() {
final groups = <String, List<Record>>{};
Map<DateTime, List<Record>> _groupByDate() {
final groups = <DateTime, List<Record>>{};
for (final record in records) {
final date = _formatDate(record.createTime);
if (!groups.containsKey(date)) {
groups[date] = [];
final dateKey = DateTime(
record.createTime.year,
record.createTime.month,
record.createTime.day,
);
if (!groups.containsKey(dateKey)) {
groups[dateKey] = [];
}
groups[date]!.add(record);
groups[dateKey]!.add(record);
}
return groups;
}
/// 格式化日期
String _formatDate(DateTime date) {
return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
}
/// 计算日汇总
String _getDailySummary(List<Record> dayRecords) {
double expense = 0;
@ -60,13 +60,15 @@ class RecordList extends StatelessWidget {
@override
Widget build(BuildContext context) {
final groups = _groupByDate();
final dates = groups.keys.toList()..sort((a, b) => b.compareTo(a));
final dates = groups.keys.toList()
..sort((a, b) => b.compareTo(a));
return ListView.builder(
itemCount: dates.length,
itemBuilder: (context, index) {
final date = dates[index];
final dayRecords = groups[date]!;
final dateKey = dates[index];
final dayRecords = groups[dateKey]!;
final formattedDate = DateFormatter.formatDate(dateKey);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
@ -78,13 +80,17 @@ class RecordList extends StatelessWidget {
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
date,
style: const TextStyle(
fontWeight: FontWeight.bold,
fontSize: 16,
formattedDate,
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w500,
),
),
Text(
_getDailySummary(dayRecords),
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Colors.grey[600],
),
),
Text(_getDailySummary(dayRecords)),
],
),
),

2
pubspec.lock
View File

@ -359,4 +359,4 @@ packages:
version: "1.1.2"
sdks:
dart: ">=3.2.5 <4.0.0"
flutter: ">=3.3.0"
flutter: ">=3.7.0"