플러터오류질문

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import 'dart:async';import 'package:flutter/material.dart';import 'package:shared_preferences/shared_preferences.dart';import 'package:flutter_local_notifications/flutter_local_notifications.dart';void main() {runApp(MyApp());}class MyApp extends StatelessWidget {@overrideWidget build(BuildContext context) {return MaterialApp(home: PhoneUsageTracker(),);}}class PhoneUsageTracker extends StatefulWidget {@overridePhoneUsageTrackerState createState() => PhoneUsageTrackerState();}class _PhoneUsageTrackerState extends State {late FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin;late SharedPreferences prefs;int usageTime = 0;@overridevoid initState() {super.initState();// SharedPreferences 초기화_initSharedPreferences();// Local Notifications 초기화flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();var initializationSettingsAndroid =AndroidInitializationSettings('app_icon');var initializationSettingsIOS = IOSInitializationSettings();var initializationSettings = InitializationSettings(android: initializationSettingsAndroid, iOS: initializationSettingsIOS);flutterLocalNotificationsPlugin.initialize(initializationSettings,onSelectNotification: _onSelectNotification);// 10초마다 사용 시간을 체크하고 알람을 보내기Timer.periodic(Duration(seconds: 10), (Timer timer) {_checkUsageTime();});}Future _initSharedPreferences() async {prefs = await SharedPreferences.getInstance();usageTime = prefs.getInt('usage_time') ?? 0;}Future _checkUsageTime() async {usageTime += 10;prefs.setInt('usage_time', usageTime);// 60초 이상 사용되면 알람 보내기if (usageTime >= 60) {_showNotification();}}Future _showNotification() async {var androidPlatformChannelSpecifics = AndroidNotificationDetails('usage_notification','Phone Usage Notification','Notification for phone usage tracking',importance: Importance.high,priority: Priority.high,playSound: true,enableVibration: true,visibility: NotificationVisibility.public,);var iOSPlatformChannelSpecifics = IOSNotificationDetails();var platformChannelSpecifics = NotificationDetails(android: androidPlatformChannelSpecifics, iOS: iOSPlatformChannelSpecifics);await flutterLocalNotificationsPlugin.show(0,'Phone Usage Alert','You have been using your phone for $usageTime seconds. Take a break!',platformChannelSpecifics,payload: 'usage_notification',);}Future _onSelectNotification(String? payload) async {// 알림을 눌렀을 때의 동작 설정print('Notification Clicked with payload: $payload');}@overrideWidget build(BuildContext context) {return Scaffold(appBar: AppBar(title: Text('Phone Usage Tracker'),),body: Center(child: Column(mainAxisAlignment: MainAxisAlignment.center,children: [Text('Total Usage Time: $usageTime seconds',style: TextStyle(fontSize: 20),),],),),);}}위의코드의Future _showNotification() async {var androidPlatformChannelSpecifics = AndroidNotificationDetails('usage_notification','Phone Usage Notification','Notification for phone usage tracking',importance: Importance.high,priority: Priority.high,playSound: true,enableVibration: true,visibility: NotificationVisibility.public,);부분에서 too many positional arguments 오류가 뜹니다.

플러터오류질문

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