sound works and intervall needs improfmends

lib/pages/main_page.dart

@@ -24,7 +24,7 @@ class MyHomePageState extends State<MyHomePage> {
   static const List<Widget> _widgetOptions = <Widget>[
     MoodPage(),
     SleepPage(),
-    StopWatchTimerPage(),
+    IntervalTimerPage(),
     RelapsePage(),
     SettingsPage(),
   ];

lib/pages/timer_page.dart

@@ -1,136 +1,160 @@
 import 'dart:async';
+import 'package:audioplayers/audioplayers.dart';
 import 'package:flutter/material.dart';
-import 'package:smoke_cess_app/service/settings_service.dart';
-import 'package:smoke_cess_app/widgets/timer_button.dart';
 
-class StopWatchTimerPage extends StatefulWidget {
-  const StopWatchTimerPage({super.key});
+class IntervalTimerPage extends StatefulWidget {
+  const IntervalTimerPage({Key? key}) : super(key: key);
 
   @override
-  StopWatchTimerPageState createState() => StopWatchTimerPageState();
+  _IntervalTimerPageState createState() => _IntervalTimerPageState();
 }
 
-class StopWatchTimerPageState extends State<StopWatchTimerPage> {
-  SettingsService settings = SettingsService();
-  Duration duration = const Duration(minutes: 1);
-  Timer? timer;
-
-  bool countDown = true;
+class _IntervalTimerPageState extends State<IntervalTimerPage> {
+  final Duration _warmupDuration = const Duration(seconds: 5);
+  final Duration _cooldownDuration = const Duration(seconds: 5);
+  final Duration _highIntensityDuration = const Duration(seconds: 4);
+  final Duration _lowIntensityDuration = const Duration(seconds: 3);
+  late Duration _totalDuration = const Duration(seconds: 35);
+  final int _numHighIntensityBlocks = 4;
+  final int _numLowIntensityBlocks = 3;
+  Timer? _timer;
+  int _currentBlock = 0;
+  Duration _currentDuration = const Duration();
+  bool _isPaused = true;
 
   @override
   void initState() {
-    setDurationWithSetting();
+    _currentDuration = _warmupDuration;
     super.initState();
   }
 
-  void setDurationWithSetting() {
-    settings.getIntSetting('workout_duration_minutes').then((workoutMinutes) =>
-        {setState(() => duration = Duration(minutes: workoutMinutes ?? 10))});
+  @override
+  void dispose() {
+    _timer?.cancel();
+    super.dispose();
   }
 
-  void reset() {
-    if (countDown) {
-      setDurationWithSetting();
-    } else {
-      setState(() => duration = const Duration());
-    }
+  void _startTimer() {
+    _isPaused = false;
+    _timer = Timer.periodic(const Duration(seconds: 1), (_) => _tick());
   }
 
-  void startTimer() {
-    timer = Timer.periodic(const Duration(seconds: 1), (_) => addTime());
+  void _pauseTimer() {
+    _isPaused = true;
+    _timer?.cancel();
   }
 
-  void addTime() {
-    final addSeconds = countDown ? -1 : 1;
+  void _resetTimer() {
+    _isPaused = true;
+    _timer?.cancel();
+    _currentBlock = 0;
+    _currentDuration = _warmupDuration;
+    _totalDuration = const Duration(minutes: 35);
+    setState(() {});
+  }
+
+  Future<void> _playSoundEffect() async {
+    final player = AudioPlayer();
+    await player.play(UrlSource('assets/beep.mp3'));
+  }
+
+  void _tick() {
     setState(() {
-      final seconds = duration.inSeconds + addSeconds;
-      if (seconds < 0) {
-        timer?.cancel();
+      _currentDuration = Duration(
+        seconds: _currentDuration.inSeconds - 1,
+      );
+      _totalDuration = Duration(
+        seconds: _totalDuration.inSeconds - 1,
+      );
+      if (_currentDuration.inSeconds == 0) {
+        _playSoundEffect();
+      }
+      if (_currentDuration.inSeconds < 0) {
+        if (_currentBlock == 0) {
+          // Start high intensity blocks.
+          _currentBlock++;
+          _currentDuration = _highIntensityDuration;
+        } else if (_currentBlock <= _numHighIntensityBlocks) {
+          // Start low intensity blocks.
+          _currentBlock++;
+          _currentDuration = _lowIntensityDuration;
+        } else if (_currentBlock <=
+            _numHighIntensityBlocks + _numLowIntensityBlocks) {
+          // Start high intensity blocks again.
+          _currentBlock++;
+          _currentDuration = _highIntensityDuration;
         } else {
-        duration = Duration(seconds: seconds);
+          // End workout.
+          _currentDuration = _cooldownDuration;
+          _pauseTimer();
+        }
       }
     });
   }
 
-  void stopTimer({bool resets = true}) {
-    if (resets) {
-      reset();
-    }
-    setState(() => timer?.cancel());
-  }
-
-  @override
-  Widget build(BuildContext context) => Center(
-        child: Column(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            buildTime(),
-            const SizedBox(
-              height: 80,
-            ),
-            buildButtons()
-          ],
-        ),
-      );
-
-  Widget buildTime() {
+  String _formatDuration(Duration duration) {
     String twoDigits(int n) => n.toString().padLeft(2, '0');
     final minutes = twoDigits(duration.inMinutes.remainder(60));
     final seconds = twoDigits(duration.inSeconds.remainder(60));
-    return Row(mainAxisAlignment: MainAxisAlignment.center, children: [
-      const SizedBox(
-        width: 8,
-      ),
-      buildTimeCard(time: minutes, header: 'MINUTEN'),
-      const SizedBox(
-        width: 8,
-      ),
-      buildTimeCard(time: seconds, header: 'SEKUNDEN'),
-    ]);
+    return '$minutes:$seconds';
   }
 
-  Widget buildTimeCard({required String time, required String header}) =>
-      Column(
+  String _formatTotalDuration(Duration duration) {
+    final minutes = duration.inMinutes;
+    final seconds = duration.inSeconds.remainder(60);
+    return _formatDuration(Duration(minutes: minutes, seconds: seconds));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+        appBar: AppBar(
+          title: const Text('Interval Timer'),
+        ),
+        body: Center(
+            child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-          Container(
-            padding: const EdgeInsets.all(8),
-            decoration: BoxDecoration(
-                color: Colors.white, borderRadius: BorderRadius.circular(20)),
-            child: Text(
-              time,
-              style: const TextStyle(
-                  fontWeight: FontWeight.bold,
-                  color: Colors.black,
-                  fontSize: 50),
+            Text(
+              _currentBlock == 0
+                  ? 'Warm-up'
+                  : _currentBlock <= _numHighIntensityBlocks
+                      ? 'High Intensity'
+                      : 'Low Intensity',
+              style: const TextStyle(fontSize: 32.0),
             ),
+            const SizedBox(height: 16.0),
+            Text(
+              _formatDuration(_currentDuration),
+              style: const TextStyle(fontSize: 80.0),
             ),
-          const SizedBox(
-            height: 24,
+            const SizedBox(height: 32.0),
+            Text(
+              'Total: ${_formatTotalDuration(_totalDuration)}',
+              style: const TextStyle(fontSize: 24.0),
             ),
-          Text(header, style: const TextStyle(color: Colors.black45)),
+            const SizedBox(height: 32.0),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                IconButton(
+                  icon: Icon(_isPaused
+                      ? Icons.play_arrow_rounded
+                      : Icons.stop_rounded),
+                  iconSize: 48.0,
+                  onPressed: () {
+                    if (_isPaused) {
+                      _startTimer();
+                    } else {
+                      _pauseTimer();
+                      _resetTimer();
+                    }
+                  },
+                ),
+                // ),
               ],
-      );
-
-  Widget buildButtons() {
-    final isRunning = timer == null ? false : timer!.isActive;
-    final isCompleted = duration.inSeconds == 0;
-    return isRunning || isCompleted
-        ? TimerButton(
-            onClicked: stopTimer,
-            icon: const Icon(
-              Icons.stop,
-              size: 50,
-              color: Colors.white,
             ),
-            color: Colors.red)
-        : TimerButton(
-            onClicked: startTimer,
-            icon: const Icon(
-              Icons.play_arrow,
-              size: 50,
-              color: Colors.white,
-            ),
-            color: Colors.green);
+          ],
+        )));
   }
 }

lib/service/settings_service.dart

@@ -3,10 +3,6 @@ import 'package:shared_preferences/shared_preferences.dart';
 class SettingsService {
   final Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
 
-  SettingsService() {
-    setIntSetting('workout_duration_minutes', 5);
-  }
-
   void setStringSetting(String settingKey, String settingValue) =>
       _prefs.then((pref) => pref.setString(settingKey, settingValue));
 

pubspec.lock

@@ -8,6 +8,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.9.0"
+  audio_session:
+    dependency: transitive
+    description:
+      name: audio_session
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.13"
+  audioplayers:
+    dependency: "direct main"
+    description:
+      name: audioplayers
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  audioplayers_android:
+    dependency: transitive
+    description:
+      name: audioplayers_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  audioplayers_darwin:
+    dependency: transitive
+    description:
+      name: audioplayers_darwin
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  audioplayers_linux:
+    dependency: transitive
+    description:
+      name: audioplayers_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.4"
+  audioplayers_platform_interface:
+    dependency: transitive
+    description:
+      name: audioplayers_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
+  audioplayers_web:
+    dependency: transitive
+    description:
+      name: audioplayers_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  audioplayers_windows:
+    dependency: transitive
+    description:
+      name: audioplayers_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.3"
   boolean_selector:
     dependency: transitive
     description:
@@ -36,6 +92,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.16.0"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -86,6 +149,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.13.5"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.2"
   js:
     dependency: transitive
     description:
@@ -93,6 +170,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.6.4"
+  just_audio:
+    dependency: "direct main"
+    description:
+      name: just_audio
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.31"
+  just_audio_platform_interface:
+    dependency: transitive
+    description:
+      name: just_audio_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.0"
+  just_audio_web:
+    dependency: transitive
+    description:
+      name: just_audio_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.7"
   lints:
     dependency: transitive
     description:
@@ -128,6 +226,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.2"
+  path_provider:
+    dependency: transitive
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.12"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.22"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
   path_provider_linux:
     dependency: transitive
     description:
@@ -170,6 +289,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.2.4"
+  rxdart:
+    dependency: transitive
+    description:
+      name: rxdart
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.27.7"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -266,6 +392,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.12"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.7"
   vector_math:
     dependency: transitive
     description:

pubspec.yaml

@@ -3,7 +3,7 @@ description: A new Flutter project.
 
 # The following line prevents the package from being accidentally published to
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
-publish_to: 'none' # Remove this line if you wish to publish to pub.dev
+publish_to: "none" # Remove this line if you wish to publish to pub.dev
 
 # The following defines the version and build number for your application.
 # A version number is three numbers separated by dots, like 1.2.43
@@ -20,7 +20,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: '>=2.18.2 <3.0.0'
+  sdk: ">=2.18.2 <3.0.0"
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions
@@ -36,6 +36,8 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
   shared_preferences: ^2.0.17
+  audioplayers: ^3.0.1
+  just_audio: ^0.9.31
 
 dev_dependencies:
   flutter_test:
@@ -59,7 +61,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
+  assets:
+    - beep.mp3
   #   - images/a_dot_burr.jpeg
   #   - images/a_dot_ham.jpeg