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Feature/#1-ringing_alarm ありがとうございます。マージします。 - スリープのバグについて 間違いなく他にもあると思いますが、おそらく改良は難しくないかと - アプリ表示時の音 アプリ表示時にも通知を送るなら簡単です。アプリ表示時は通知を送らず音を鳴らすなら単にアプリ内でmp3を再生する方法になると思います。この場合同時に画面切り替えも行いたいですね。
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,161 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'dart:async'; | ||
| import 'package:intl/intl.dart'; | ||
| import 'package:flutter_local_notifications/flutter_local_notifications.dart'; | ||
| import 'package:timezone/data/latest.dart' as tz; | ||
| import 'package:timezone/timezone.dart' as tz; | ||
|
|
||
| /// RingingAlarm の初期化をする。mainで呼ぶ。 | ||
| void setupRingingAlarm() { | ||
| _setupTimeZone(); | ||
| } | ||
|
|
||
| // タイムゾーンを設定する | ||
| Future<void> _setupTimeZone() async { | ||
| tz.initializeTimeZones(); | ||
| var tokyo = tz.getLocation('Asia/Tokyo'); | ||
| tz.setLocalLocation(tokyo); | ||
| } | ||
|
|
||
| ///ミリ秒まで表示するフォーマッター | ||
| ///- 返り値は hh:mm:ss.x の形の String | ||
| String formatTime(DateTime dt) { | ||
| return "${DateFormat.Hms().format(dt)}.${dt.millisecond.toString().padRight(2, '0').substring(0, 1)}"; | ||
| } | ||
|
|
||
| ///アラームの管理をするクラス | ||
| class RingingAlarm { | ||
| final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin = | ||
| FlutterLocalNotificationsPlugin(); | ||
| Timer? _timer; // タイマーオブジェクト | ||
| DateTime _time = DateTime.utc(0, 0, 0) | ||
| .add(const Duration(seconds: 10)); // タイマーで管理している時間。10秒をカウントダウンする設定 | ||
| bool _isTimerActive = false; // バックグラウンドに遷移した際にタイマーが起動中かどうか | ||
| DateTime? _pausedTime; // バックグラウンドに遷移した時間 | ||
| int? _notificationId; // 通知ID | ||
| bool _notificationOnceFlag = false; //連続して通知ができないようにするフラグ | ||
|
|
||
| DateTime get displayTime => _time; | ||
|
|
||
| ///コンストラクタ | ||
| RingingAlarm(); | ||
|
|
||
| /// アプリがバックグラウンドに遷移した際のハンドラ | ||
| void handleOnPaused() { | ||
| if (_timer != null && _timer!.isActive) { | ||
| _isTimerActive = true; | ||
| _timer!.cancel(); // タイマーを停止する | ||
| } | ||
| _pausedTime = DateTime.now(); // バックグラウンドに遷移した時間を記録 | ||
| if (_isTimerActive) { | ||
| if (_notificationOnceFlag) { | ||
| _notificationOnceFlag = false; | ||
| if (_time | ||
| .difference(DateTime.utc(0, 0, 0)) | ||
| .compareTo(const Duration(seconds: 1)) > | ||
| 0) { | ||
| //タイマーの停止直後に再度通知を作りたがるので間隔を制限 | ||
| _notificationId = _scheduleLocalNotification( | ||
| _time.difference(DateTime.utc(0, 0, 0))); // ローカル通知をスケジュール登録 | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // フォアグラウンドに復帰した時のハンドラ | ||
| void handleOnResumed() { | ||
| if (_isTimerActive == false) return; // タイマーが動いてなければ何もしない | ||
| Duration backgroundDuration = | ||
| DateTime.now().difference(_pausedTime!); // バックグラウンドでの経過時間 | ||
| // バックグラウンドでの経過時間が終了予定を超えていた場合（この場合は通知実行済みのはず） | ||
| if (_time.difference(DateTime.utc(0, 0, 0)).compareTo(backgroundDuration) < | ||
| 0) { | ||
| _time = DateTime.utc(0, 0, 0); // 時間をリセットする | ||
| } else { | ||
| _time = _time.add(-backgroundDuration); // バックグラウンド経過時間分時間を進める | ||
| startTimer(); // タイマーを再開する | ||
| } | ||
| } | ||
|
|
||
| //鳴っている通知を消す(正確には最新の通知) | ||
| void resetNotification() { | ||
| if (_notificationId != null) { | ||
| flutterLocalNotificationsPlugin.cancel(_notificationId!); // 通知をキャンセル | ||
| } | ||
| _isTimerActive = false; // リセット | ||
| _notificationId = null; // リセット | ||
| _pausedTime = null; | ||
| _notificationOnceFlag = false; | ||
| } | ||
|
|
||
| // タイマーを開始する | ||
| void startTimer() { | ||
| _notificationOnceFlag = true; | ||
| _timer = Timer.periodic(const Duration(milliseconds: 100), (Timer timer) { | ||
| _time = _time.add(const Duration(milliseconds: -100)); | ||
| _handleTimeIsOver(); | ||
| }); // 1秒ずつ時間を減らす | ||
| } | ||
|
|
||
| // タイマーを初期化してから開始する | ||
| void restartTimer() { | ||
| if (_timer != null) _timer!.cancel(); | ||
| _time = DateTime.utc(0, 0, 0); | ||
| _time = _time.add(const Duration(seconds: 10)); | ||
| startTimer(); | ||
| } | ||
|
|
||
| // 時間がゼロになったらタイマーを止める | ||
| void _handleTimeIsOver() { | ||
| if (_timer != null && | ||
| _timer!.isActive && | ||
| //_time != null && | ||
| _time == DateTime.utc(0, 0, 0)) { | ||
| _timer!.cancel(); | ||
| _notificationOnceFlag = false; | ||
| } | ||
| } | ||
|
|
||
| //タイマーを止める | ||
| void cancelTimer() { | ||
| if (_timer != null && _timer!.isActive) { | ||
| _timer!.cancel(); | ||
| } | ||
| } | ||
|
|
||
| /// タイマー終了をローカル通知。実質メイン | ||
| int _scheduleLocalNotification(Duration duration) { | ||
| flutterLocalNotificationsPlugin.initialize( | ||
| const InitializationSettings( | ||
| android: | ||
| AndroidInitializationSettings('@mipmap/ic_launcher'), //通知アイコン | ||
| iOS: IOSInitializationSettings()), | ||
| ); | ||
| int notificationId = | ||
| DateTime.now().hashCode; //現在時刻から生成しているが、通知を管理するIDを指定できる | ||
| DateTime tzDT = tz.TZDateTime.now(tz.local).add(duration); | ||
| flutterLocalNotificationsPlugin.zonedSchedule( | ||
| notificationId, //通知のID | ||
| 'Time is over', //通知のタイトル | ||
| 'Wake up! It\'s ${formatTime(tzDT)}', //通知の本文 | ||
| tz.TZDateTime.now(tz.local).add(duration), //通知の予約時間 | ||
| const NotificationDetails( | ||
| android: AndroidNotificationDetails( | ||
| 'your channel id', 'your channel name', | ||
| channelDescription: 'your channel description', | ||
| importance: Importance.high, | ||
| priority: Priority.high, | ||
| //https://esffects.net/361.html からとってきた音源。 | ||
| //alarm2022\android\app\src\main\res\raw\simple_alarm_music.mp3 に配置。 | ||
| sound: | ||
| RawResourceAndroidNotificationSound('simple_alarm_music'), | ||
| fullScreenIntent: true), | ||
| iOS: IOSNotificationDetails()), | ||
| uiLocalNotificationDateInterpretation: | ||
| UILocalNotificationDateInterpretation.absoluteTime, | ||
| androidAllowWhileIdle: true); | ||
| debugPrint("■■■Scheduled for ${formatTime(tzDT)}"); | ||
| debugPrint("■■■ from ${formatTime(tz.TZDateTime.now(tz.local))}"); | ||
| return notificationId; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'dart:async'; | ||
| import '../model/ringing_alarm_model.dart'; | ||
|
|
||
| //新しく作り直すと考えTestとつけている | ||
| class RingingAlarmTestPage extends StatefulWidget { | ||
| const RingingAlarmTestPage({Key? key, this.title}) : super(key: key); | ||
| final String? title; | ||
| @override | ||
| // ignore: library_private_types_in_public_api | ||
| _RingingAlarmTestPageState createState() => _RingingAlarmTestPageState(); | ||
| } | ||
|
|
||
| class _RingingAlarmTestPageState extends State<RingingAlarmTestPage> | ||
| with WidgetsBindingObserver { | ||
| //modelの方の実体 | ||
| final RingingAlarm _ringingAlarm = RingingAlarm(); | ||
| //現在時刻表示用のTimer | ||
| Timer? _clockTimer; | ||
|
|
||
| //ページ遷移時にlogがバグったので。 | ||
| //参照：https://stackoverflow.com/questions/49340116/setstate-called-after-dispose | ||
| @override | ||
| void setState(fn) { | ||
| if (mounted) { | ||
| super.setState(fn); | ||
| } | ||
| } | ||
|
|
||
| /// 初期化処理 | ||
| @override | ||
| void initState() { | ||
| super.initState(); | ||
| WidgetsBinding.instance.addObserver(this); | ||
| //現在時刻表示用だが画面の更新処理も担っている | ||
| _clockTimer = | ||
| Timer.periodic(const Duration(milliseconds: 100), (Timer clockTimer) { | ||
| setState(() {}); | ||
| }); | ||
| } | ||
|
|
||
| /// ライフサイクルが変更された際に呼び出される関数をoverrideして、変更を検知 | ||
| @override | ||
| void didChangeAppLifecycleState(AppLifecycleState state) { | ||
| if (state == AppLifecycleState.paused) { | ||
| // バックグラウンドに遷移した時 | ||
| setState(() { | ||
| _ringingAlarm.handleOnPaused(); | ||
| }); | ||
| } else if (state == AppLifecycleState.resumed) { | ||
| // フォアグラウンドに復帰した時 | ||
| setState(() { | ||
| _ringingAlarm.handleOnResumed(); | ||
| }); | ||
| } | ||
| super.didChangeAppLifecycleState(state); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| body: Column(mainAxisAlignment: MainAxisAlignment.center, children: [ | ||
| Text( | ||
| //現在時刻表示 | ||
| "Now : ${formatTime(DateTime.now())}", | ||
| ), | ||
| Text( | ||
| //タイマー表示 | ||
| formatTime(_ringingAlarm.displayTime), | ||
| style: Theme.of(context).textTheme.headline2, | ||
| ), | ||
| Row( | ||
| //各種ボタンの配置 | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| children: [ | ||
| FloatingActionButton( | ||
| //前の画面に戻る | ||
| heroTag: 'back_button', | ||
| onPressed: () { | ||
| if (_clockTimer != null) _clockTimer!.cancel(); | ||
| Navigator.of(context).pop(); | ||
| }, | ||
| child: const Text("Back"), | ||
| ), | ||
| FloatingActionButton( | ||
| //タイマーの一時停止 | ||
| heroTag: 'stop_button', | ||
| onPressed: () { | ||
| _ringingAlarm.cancelTimer(); | ||
| }, | ||
| child: const Text("Stop"), | ||
| ), | ||
| FloatingActionButton( | ||
| //タイマーのカウントダウン再開 | ||
| heroTag: 'start_button', | ||
| onPressed: () { | ||
| _ringingAlarm.startTimer(); | ||
| }, | ||
| child: const Text("Start"), | ||
| ), | ||
| FloatingActionButton( | ||
| //タイマーの時間をリセットしてスタート | ||
| heroTag: 'restart_button', | ||
| onPressed: () { | ||
| _ringingAlarm.restartTimer(); | ||
| }, | ||
| child: const Text("Restart"), | ||
| ), | ||
| FloatingActionButton( | ||
| //鳴ってるアラームを止める | ||
| heroTag: 'reset_button', | ||
| onPressed: () { | ||
| _ringingAlarm.resetNotification(); | ||
| }, | ||
| child: const Text("Reset"), | ||
| ), | ||
| ], | ||
| ) | ||
| ])); | ||
| } | ||
| } |
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