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Source code

We have made the main source code publicly available. We hope it will be helpful as a reference for app development.

● Japanese ● ご注意 ● このページで公開しているのはDartコードのみです。アプリの動作には画像・音声・多言語テキストなどの追加データが必要なため、ここに掲載している情報だけではアプリを完全に再現することはできません。 ● アプリは継続的に機能拡張しているため、ストアで公開している最新版とコード内容が異なる場合があります。 ● コードはコピーして自由にご利用いただけますが、著作権は放棄していません。そのため、コード全体の再掲載はご遠慮ください。一部の引用や改変しての再掲載は問題ありません。個人利用・商用利用を問わず、アプリ開発の参考として自由にお使いください。 ● このコードは「お手本」として公開しているものではありません。ミニアプリとして作成しているため、変数名など細部に配慮していない箇所や誤りが含まれる可能性があります。参考程度にご覧ください。 ● 他の開発者の公開コードを参考にした部分も含まれています。アプリ開発の熟練者が書いたコードではない点もご了承ください。 ● ここはエンジニア向けの技術情報共有サービスではないため、詳細な説明は省略しています。 ● 本コードは無保証であり、動作や品質を保証するものではありません。
Copyright© エーオーシステム株式会社

● English ● Notice ● Only the Dart source code is provided on this page. Additional assets such as images, audio files, and multilingual text are required for the application to function. Therefore, the information here alone is not sufficient to fully reproduce the app. ● The app is continuously being improved, so the code published here may differ from the latest version available on the app stores. ● You are free to copy and use the code, but the copyright is not waived. For this reason, please refrain from redistributing (reposting) the entire code. Partial quotation or redistribution of modified portions is allowed. You may use the code freely for reference in your own app development, whether for personal or commercial use. ● This code is not intended to serve as a coding example or best practice. As this is a small sample app, some variable names and details may lack refinement, and there may be mistakes. Please use it only as a reference. ● Some parts of the code are based on publicly available examples from other developers. Please note that this code was not written by an expert in Android app development. ● This is not a technical knowledge-sharing service for engineers, so detailed explanations are omitted. ● The code is provided "as is" without any warranty of any kind.
Copyright© ao-system, Inc.

Last build date: 2026-05-15

name: compassretro
description: "compassretro"

publish_to: 'none'

version: 1.6.1+9

environment:
  sdk: ^3.11.5

dependencies:    # flutter pub upgrade --major-versions
  flutter:
    sdk: flutter
  cupertino_icons: ^1.0.8
  shared_preferences: ^2.5.2
  flutter_localizations:    # flutter gen-l10n
    sdk: flutter
  intl: ^0.20.2
  google_mobile_ads: ^8.0.0
  flutter_compass: ^0.8.1
  provider: ^6.1.1
  wakelock_plus: ^1.4.0
  in_app_review: ^2.0.11
  app_tracking_transparency: ^2.0.4

dev_dependencies:
  flutter_lints: ^6.0.0

  flutter_launcher_icons: ^0.14.3    #flutter pub run flutter_launcher_icons
  flutter_native_splash: ^2.3.6     #flutter pub run flutter_native_splash:create

flutter_launcher_icons:
  android: "launcher_icon"
  ios: true
  image_path: "assets/icon/icon.png"
  adaptive_icon_background: "assets/icon/icon_back.png"
  adaptive_icon_foreground: "assets/icon/icon_fore.png"

flutter_native_splash:
  color: '#341908'
  image: 'assets/image/splash.png'
  color_dark: '#341908'
  image_dark: 'assets/image/splash.png'
  fullscreen: true
  android_12:
    icon_background_color: '#341908'
    image: 'assets/image/splash.png'
    icon_background_color_dark: '#341908'
    image_dark: 'assets/image/splash.png'

flutter:
  generate: true
  uses-material-design: true

  assets:
    - assets/image/

import 'package:flutter/cupertino.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';

import 'package:compassretro/ad_manager.dart';

class AdBannerWidget extends StatefulWidget {
  final AdManager adManager;
  const AdBannerWidget({super.key, required this.adManager});
  @override
  State<AdBannerWidget> createState() => _AdBannerWidgetState();
}

class _AdBannerWidgetState extends State<AdBannerWidget> {
  int _lastBannerWidthDp = 0;
  bool _isAdLoaded = false;
  bool _isLoading = false;
  @override
  Widget build(BuildContext context) {
    return SafeArea(
      child: LayoutBuilder(
        builder: (context, constraints) {
          final int width = constraints.maxWidth.isFinite ? constraints.maxWidth.truncate() : MediaQuery.of(context).size.width.truncate();
          final bannerAd = widget.adManager.bannerAd;
          if (width > 0) {
            WidgetsBinding.instance.addPostFrameCallback((_) {
              if (mounted) {
                final bannerAd = widget.adManager.bannerAd;
                final bool widthChanged = _lastBannerWidthDp != width;
                final bool sizeMismatch = bannerAd == null || bannerAd.size.width != width;
                if ((widthChanged || !_isAdLoaded || sizeMismatch) && !_isLoading) {
                  _lastBannerWidthDp = width;
                  setState(() { _isAdLoaded = false; _isLoading = true; });
                  widget.adManager.loadAdaptiveBannerAd(width, () {
                    if (mounted) {
                      setState(() { _isAdLoaded = true; _isLoading = false; });
                    }
                  });
                }
              }
            });
          }
          if (_isAdLoaded && bannerAd != null) {
            return Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                SizedBox(height: 10),
                Row(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    SizedBox(
                      width: bannerAd.size.width.toDouble(),
                      height: bannerAd.size.height.toDouble(),
                      child: AdWidget(ad: bannerAd),
                    ),
                  ],
                )
              ]
            );
          } else {
            return const SizedBox.shrink();
          }
        },
      ),
    );
  }
}

import 'dart:async';
import 'dart:io' show Platform;
import 'dart:ui';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:flutter/widgets.dart';

import 'package:compassretro/_secrets.dart';

class AdManager {
  static String get _adUnitId => Platform.isIOS ? Secrets.adUnitIdIos : Secrets.adUnitIdAndroid;
  BannerAd? _bannerAd;
  int _lastWidthPx = 0;
  VoidCallback? _onLoadedCb;
  Timer? _retryTimer;
  int _retryAttempt = 0;

  BannerAd? get bannerAd => _bannerAd;

  /// アプリ起動時の設定
  /// UMP(同意管理)を導入したため、手動のNPA設定は不要になった。
  static Future<void> initForNPA() async {
    if (kIsWeb) {
      return;
    }
    // UMP SDK が保存した同意情報を MobileAds SDK が自動で読み取るため、
    // ここで RequestConfiguration を使って NPA を強制する必要はない。
    await MobileAds.instance.updateRequestConfiguration(
      RequestConfiguration(
        tagForChildDirectedTreatment: TagForChildDirectedTreatment.unspecified,
        testDeviceIds: Secrets.umpConsentTestDeviceIds, //テストデバイスID:広告の誤クリック防止
      ),
    );
  }

  Future<void> loadAdaptiveBannerAd(int widthPx, VoidCallback onAdLoaded) async {
    if (kIsWeb) {
      return;
    }
    _onLoadedCb = onAdLoaded;
    _lastWidthPx = widthPx;
    _retryAttempt = 0;
    _retryTimer?.cancel();
    _startLoad(widthPx);
  }

  static AdRequest getAdRequest() {
    // ユーザーの同意状態(TCF信号)は、SDKによって自動的に付与される。
    // 手動で npa: 1 を送ると、UMPでのユーザーの選択と競合する可能性があるため、空で返す。
    // AdRequest(nonPersonalizedAds: true);にはしない
    return const AdRequest();
  }

  Future<void> _startLoad(int widthPx) async {
    if (kIsWeb) {
      return;
    }
    _bannerAd?.dispose();
    AnchoredAdaptiveBannerAdSize? adaptiveSize;
    try {
      adaptiveSize = await AdSize.getCurrentOrientationAnchoredAdaptiveBannerAdSize(widthPx);
    } catch (_) {
      adaptiveSize = null;
    }
    final AdSize size = adaptiveSize ?? AdSize.fullBanner;
    _bannerAd = BannerAd(
      adUnitId: _adUnitId,
      request: getAdRequest(),
      size: size,
      listener: BannerAdListener(
        onAdLoaded: (ad) {
          _retryTimer?.cancel();
          _retryAttempt = 0;
          final cb = _onLoadedCb;
          if (cb != null) {
            cb();
          }
        },
        onAdFailedToLoad: (ad, err) {
          ad.dispose();
          _scheduleRetry();
        },
      ),
    )..load();
  }

  void _scheduleRetry() {
    if (kIsWeb) return;
    _retryTimer?.cancel();
    _retryAttempt = (_retryAttempt + 1).clamp(1, 5);
    final seconds = _retryAttempt >= 4 ? 30 : (3 << (_retryAttempt - 1));
    _retryTimer = Timer(Duration(seconds: seconds), () {
      _startLoad(_lastWidthPx > 0 ? _lastWidthPx : 320);
    });
  }

  void dispose() {
    _bannerAd?.dispose();
    _retryTimer?.cancel();
  }
}

import 'dart:async';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:flutter/widgets.dart';

import 'package:compassretro/l10n/app_localizations.dart';
import 'package:compassretro/_secrets.dart';

/// UMP状態格納用
class AdUmpState {
  final PrivacyOptionsRequirementStatus privacyStatus;
  final ConsentStatus consentStatus;
  final bool privacyOptionsRequired;
  final bool isChecking;
  const AdUmpState({
    required this.privacyStatus,
    required this.consentStatus,
    required this.privacyOptionsRequired,
    required this.isChecking,
  });

  AdUmpState copyWith({
    PrivacyOptionsRequirementStatus? privacyStatus,
    ConsentStatus? consentStatus,
    bool? privacyOptionsRequired,
    bool? isChecking,
  }) {
    return AdUmpState(
      privacyStatus: privacyStatus ?? this.privacyStatus,
      consentStatus: consentStatus ?? this.consentStatus,
      privacyOptionsRequired:
      privacyOptionsRequired ?? this.privacyOptionsRequired,
      isChecking: isChecking ?? this.isChecking,
    );
  }

  static const initial = AdUmpState(
    privacyStatus: PrivacyOptionsRequirementStatus.unknown,
    consentStatus: ConsentStatus.unknown,
    privacyOptionsRequired: false,
    isChecking: false,
  );
}

//UMPコントローラ
class UmpConsentController {
  //デバッグ用：同意フォームの表示テスト：EEA地域を強制する(本番ではfalseにすること)
  final bool forceEeaForDebug = false;
  //デバッグ用：同意フォームの表示テスト：EEA地域を強制するテストデバイスID
  static final List<String> _testDeviceIds = Secrets.umpConsentTestDeviceIds;

  ConsentRequestParameters _buildParams() {
    if (forceEeaForDebug && _testDeviceIds.isNotEmpty) {
      return ConsentRequestParameters(
        consentDebugSettings: ConsentDebugSettings(
          debugGeography: DebugGeography.debugGeographyEea,
          testIdentifiers: _testDeviceIds,
        ),
      );
    }
    return ConsentRequestParameters();
  }

  //同意情報を更新して状態を返す
  Future<AdUmpState> updateConsentInfo({AdUmpState current = AdUmpState.initial}) async {
    if (kIsWeb) {
      return current;
    }
    var state = current.copyWith(isChecking: true);

    try {
      final params = _buildParams();
      final completer = Completer<AdUmpState>();

      ConsentInformation.instance.requestConsentInfoUpdate(
        params,
        () async {
          //同意フォームが必要なら表示する
          ConsentForm.loadAndShowConsentFormIfRequired((formError) async {
            final s = await ConsentInformation.instance.getPrivacyOptionsRequirementStatus();
            final c = await ConsentInformation.instance.getConsentStatus();
            completer.complete(
              state.copyWith(
                privacyStatus: s,
                consentStatus: c,
                privacyOptionsRequired: s == PrivacyOptionsRequirementStatus.required,
                isChecking: false,
              ),
            );
          });
        },
        (FormError e) {
          completer.complete(state.copyWith(isChecking: false));
        },
      );
      return await completer.future;
    } catch (_) {
      return state.copyWith(isChecking: false);
    }
  }
  //プライバシーオプションフォームを表示
  Future<FormError?> showPrivacyOptions() async {
    if (kIsWeb) return null;
    final completer = Completer<FormError?>();
    ConsentForm.showPrivacyOptionsForm((FormError? e) {
      completer.complete(e);
    });
    return completer.future;
  }
}

extension ConsentStatusL10n on ConsentStatus {
  String localized(BuildContext context) {
    final l = AppLocalizations.of(context)!;
    switch (this) {
      case ConsentStatus.obtained:
        return l.cmpConsentStatusObtained;
      case ConsentStatus.required:
        return l.cmpConsentStatusRequired;
      case ConsentStatus.notRequired:
        return l.cmpConsentStatusNotRequired;
      case ConsentStatus.unknown:
        return l.cmpConsentStatusUnknown;
    }
  }
}

import 'dart:async';
import 'package:flutter/cupertino.dart';
import 'package:flutter_compass/flutter_compass.dart';

class Compass with ChangeNotifier {
  StreamSubscription<CompassEvent>? _subscription;
  double _angle = 0;

  double get angle => _angle;

  void start() {
    if (_subscription != null) {
      return;
    }
    _subscription = FlutterCompass.events?.listen((event) {
      _angle = -1 * 3.141592 * (event.heading! / 180);
      notifyListeners();
    });
  }

  void stop() {
    _subscription?.cancel();
    _subscription = null;
  }

  @override
  void dispose() {
    stop();
    super.dispose();
  }

}


class ConstValue {
  ConstValue._();

  static const Map<String,String> compassBodies = {
    'Retro Daytime': 'assets/image/compass_body0.webp',
    'Retro Evening': 'assets/image/compass_body1.webp',
    'Flower White': 'assets/image/compass_body2.webp',
    'Flower Red': 'assets/image/compass_body3.webp',
    'Leaf': 'assets/image/compass_body4.webp',
    'Forest': 'assets/image/compass_body5.webp',
    'Metal Light': 'assets/image/compass_body6.webp',
    'Metal Dark': 'assets/image/compass_body7.webp',
  };

}

import 'dart:math';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:wakelock_plus/wakelock_plus.dart';

import 'package:compassretro/theme_color.dart';
import 'package:compassretro/setting_page.dart';
import 'package:compassretro/ad_banner_widget.dart';
import 'package:compassretro/ad_manager.dart';
import 'package:compassretro/model.dart';
import 'package:compassretro/compass.dart';
import 'package:compassretro/loading_screen.dart';
import 'package:compassretro/main.dart';

class MainHomePage extends StatefulWidget {
  const MainHomePage({super.key});
  @override
  State<MainHomePage> createState() => _MainHomePageState();
}

class _MainHomePageState extends State<MainHomePage> with SingleTickerProviderStateMixin, WidgetsBindingObserver {
  final AdManager _adManager = AdManager();
  final Compass _compass = Compass();
  late ThemeColor _themeColor;
  bool _isReady = false;

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    _initState();
  }

  void _initState() async {
    _compass.start();
    _wakelock();
    if (mounted) {
      setState(() {
        _isReady = true;
      });
    }
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    _compass.dispose();
    _adManager.dispose();
    WakelockPlus.disable();
    super.dispose();
  }

  //need with WidgetsBindingObserver
  //WidgetsBinding.instance.addObserver(this);
  //WidgetsBinding.instance.removeObserver(this);
  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    switch (state) {
      case AppLifecycleState.resumed:
        _compass.start();
        _wakelock();
        break;
      case AppLifecycleState.inactive:
      case AppLifecycleState.paused:
      case AppLifecycleState.detached:
      case AppLifecycleState.hidden:
        _compass.stop();
        WakelockPlus.disable();
        break;
    }
  }

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    _themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
  }

  void _wakelock() {
    if (Model.wakelockEnabled) {
      WakelockPlus.enable();
    } else {
      WakelockPlus.disable();
    }
  }

  Future<void> _onOpenSetting() async {
    final updated = await Navigator.push<bool>(
      context,
      MaterialPageRoute(builder: (_) => const SettingPage()),
    );
    if (mounted && updated == true) {
      MainApp.of(context).rebuildApp();
      _wakelock();
    }
    if (mounted) {
      setState(() {});
    }
  }

  @override
  Widget build(BuildContext context) {
    if (!_isReady) {
      return Scaffold(body: LoadingScreen());
    }
    final screenWidth = MediaQuery.of(context).size.width;
    final screenHeight = MediaQuery.of(context).size.height;
    final double bgSize = max(screenWidth, screenHeight);
    return ChangeNotifierProvider<Compass>.value(
      value: _compass,
      child: Consumer<Compass>(
        builder: (context, compass, child) {
          return Stack(
            children: [
              Positioned.fill(
                child: Image.asset(_themeColor.compassBody,
                  fit: BoxFit.cover,
                ),
              ),
              Positioned.fill(
                child: Center(
                  child: RepaintBoundary(
                    child: Transform.rotate(
                      angle: compass.angle,
                      child: SizedBox(
                        width: bgSize,
                        height: bgSize,
                        child: FittedBox(
                          fit: BoxFit.cover,
                          child: Image.asset(_themeColor.compassNeedle),
                        )
                      )
                    )
                  )
                )
              ),
              Scaffold(
                backgroundColor: Colors.transparent,
                appBar: AppBar(
                  backgroundColor: Colors.transparent,
                  foregroundColor: _themeColor.mainForeColor,
                  actions: [
                    IconButton(
                      icon: const Icon(Icons.settings),
                      onPressed: _onOpenSetting,
                    ),
                    const SizedBox(width: 10),
                  ],
                ),
                body: Container(),
                bottomNavigationBar: AdBannerWidget(adManager: _adManager),
              ),
            ],
          );
        },
      ),
    );
  }

}

import 'package:flutter/material.dart';

class LoadingScreen extends StatelessWidget {
  const LoadingScreen({super.key});
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Color.fromRGBO(70,50,30,1),
      body: const Center(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            CircularProgressIndicator(
              valueColor: AlwaysStoppedAnimation<Color>(Color.fromRGBO(150,120,100,1)),
              backgroundColor: Colors.white,
            ),
            SizedBox(height: 16),
            Text(
              'Loading...',
              style: TextStyle(
                color: Colors.white,
                fontSize: 16,
              ),
            ),
          ],
        ),
      ),
    );
  }
}

import 'dart:io';
import 'package:app_tracking_transparency/app_tracking_transparency.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';

import 'package:compassretro/l10n/app_localizations.dart';
import 'package:compassretro/home_page.dart';
import 'package:compassretro/model.dart';
import 'package:compassretro/parse_locale_tag.dart';
import 'package:compassretro/theme_mode_number.dart';
import 'package:compassretro/loading_screen.dart';
import 'package:compassretro/ad_ump_status.dart';
import 'package:compassretro/ad_manager.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  //ATTを最優先で呼ぶ(広告SDKより前)
  if (!kIsWeb && Platform.isIOS) {
    final status = await AppTrackingTransparency.trackingAuthorizationStatus;
    if (status == TrackingStatus.notDetermined) {
      await Future.delayed(const Duration(milliseconds: 300));
      await AppTrackingTransparency.requestTrackingAuthorization();
    }
  }
  //UI設定
  SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
  SystemChrome.setSystemUIOverlayStyle(
    const SystemUiOverlayStyle(
      systemNavigationBarColor: Colors.transparent,
      statusBarColor: Colors.transparent,
      systemNavigationBarContrastEnforced: false,
      systemStatusBarContrastEnforced: false,
    ),
  );
  runApp(const MainApp());
}

class MainApp extends StatefulWidget {
  const MainApp({super.key});

  static MainAppState of(BuildContext context) {
    return context.findAncestorStateOfType<MainAppState>()!;
  }

  @override
  State<MainApp> createState() => MainAppState();
}

class MainAppState extends State<MainApp> {
  ThemeMode _themeMode = ThemeMode.system;
  Locale? _locale;
  bool _hasError = false;
  bool _isReady = false;

  @override
  void initState() {
    super.initState();
    _initState();
  }

  void _initState() async {
    try {
      //アプリの基本データ
      await Model.ensureReady();
      //UMP(ATTの後)
      final umpController = UmpConsentController();
      await umpController.updateConsentInfo();
      //Mobile Ads SDK(同意確定後)
      await MobileAds.instance.initialize();
      //自前の広告設定
      await AdManager.initForNPA();
      //UI更新
      if (mounted) {
        setState(() {
          _themeMode = ThemeModeNumber.numberToThemeMode(Model.themeNumber);
          _locale = parseLocaleTag(Model.languageCode);
          _isReady = true;
        });
      }
    } catch (e) {
      if (mounted) {
        setState(() {
          _hasError = true;
        });
      }
    }
  }

  void rebuildApp() {
    setState(() {
      _themeMode = ThemeModeNumber.numberToThemeMode(Model.themeNumber);
      _locale = parseLocaleTag(Model.languageCode);
    });
  }

  Color _getRainbowAccentColor(int hue) {
    return HSVColor.fromAHSV(1.0, hue.toDouble(), 1.0, 1.0).toColor();
  }

  ThemeData _createTheme(Brightness brightness, Color seed) {
    return ThemeData(
      useMaterial3: true,
      colorScheme: ColorScheme.fromSeed(seedColor: seed, brightness: brightness),
      appBarTheme: const AppBarTheme(backgroundColor: Colors.transparent),
      elevatedButtonTheme: ElevatedButtonThemeData(
        style: ElevatedButton.styleFrom(
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
        ),
      ),
      sliderTheme: SliderThemeData(
        showValueIndicator: ShowValueIndicator.onDrag,
        valueIndicatorTextStyle: TextStyle(
          color: brightness == Brightness.light ? Colors.white : Colors.black,
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    if (_hasError) {
      return _buildErrorMessage();
    }
    Color seed = _getRainbowAccentColor(Model.schemeColor);
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      localizationsDelegates: AppLocalizations.localizationsDelegates,
      supportedLocales: AppLocalizations.supportedLocales,
      locale: _locale,
      themeMode: _themeMode,
      theme: _createTheme(Brightness.light, seed),
      darkTheme: _createTheme(Brightness.dark, seed),
      home: _isReady ? const MainHomePage() : const Scaffold(body: LoadingScreen()),
    );
  }

  Widget _buildErrorMessage() {
    return const MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: Padding(
            padding: EdgeInsets.all(24.0),
            child: Text(
              'Initialization failed. Please restart the app.',
              textAlign: TextAlign.center,
            ),
          ),
        ),
      ),
    );
  }

}


import 'dart:ui' as ui;
import 'package:shared_preferences/shared_preferences.dart';

import 'package:compassretro/l10n/app_localizations.dart';
import 'package:compassretro/const_value.dart';

class Model {
  Model._();

  static const String _prefThemeImage = 'themeImage';
  static const String _prefWakelockEnabled = 'wakelockEnabled';
  static const String _prefSchemeColor = 'schemeColor';
  static const String _prefThemeNumber = 'themeNumber';
  static const String _prefLanguageCode = 'languageCode';

  static bool _ready = false;
  static int _themeImage = 1;
  static bool _wakelockEnabled = false;
  static int _schemeColor = 260;
  static int _themeNumber = 0;
  static String _languageCode = '';

  static int get themeImage => _themeImage;
  static bool get wakelockEnabled => _wakelockEnabled;
  static int get schemeColor => _schemeColor;
  static int get themeNumber => _themeNumber;
  static String get languageCode => _languageCode;

  static Future<void> ensureReady() async {
    if (_ready) {
      return;
    }
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    //
    _themeImage = (prefs.getInt(_prefThemeImage) ?? 0).clamp(0, ConstValue.compassBodies.length - 1);
    _wakelockEnabled = prefs.getBool(_prefWakelockEnabled) ?? false;
    _schemeColor = (prefs.getInt(_prefSchemeColor) ?? 260).clamp(0, 360);
    _themeNumber = (prefs.getInt(_prefThemeNumber) ?? 0).clamp(0, 2);
    _languageCode = prefs.getString(_prefLanguageCode) ?? ui.PlatformDispatcher.instance.locale.languageCode;
    _languageCode = _resolveLanguageCode(_languageCode);
    _ready = true;
  }

  static String _resolveLanguageCode(String code) {
    final supported = AppLocalizations.supportedLocales;
    if (supported.any((l) => l.languageCode == code)) {
      return code;
    } else {
      return '';
    }
  }

  static Future<void> setThemeImage(int value) async {
    _themeImage = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefThemeImage, value);
  }

  static Future<void> setWakelockEnabled(bool value) async {
    _wakelockEnabled = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setBool(_prefWakelockEnabled, value);
  }

  static Future<void> setSchemeColor(int value) async {
    _schemeColor = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefSchemeColor, value);
  }

  static Future<void> setThemeNumber(int value) async {
    _themeNumber = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setInt(_prefThemeNumber, value);
  }

  static Future<void> setLanguageCode(String value) async {
    _languageCode = value;
    final SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setString(_prefLanguageCode, value);
  }

}

import 'dart:ui';

Locale? parseLocaleTag(String tag) {
  if (tag.isEmpty) {
    return null;
  }
  final parts = tag.split('-');
  final language = parts[0];
  String? script, country;
  if (parts.length >= 2) {
    parts[1].length == 4 ? script = parts[1] : country = parts[1];
  }
  if (parts.length >= 3) {
    parts[2].length == 4 ? script = parts[2] : country = parts[2];
  }
  return Locale.fromSubtags(
    languageCode: language,
    scriptCode: script,
    countryCode: country,
  );
}

import 'package:flutter/material.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:in_app_review/in_app_review.dart';

import 'package:compassretro/l10n/app_localizations.dart';
import 'package:compassretro/model.dart';
import 'package:compassretro/ad_manager.dart';
import 'package:compassretro/ad_banner_widget.dart';
import 'package:compassretro/loading_screen.dart';
import 'package:compassretro/theme_color.dart';
import 'package:compassretro/ad_ump_status.dart';
import 'package:compassretro/const_value.dart';
import 'package:compassretro/_secrets.dart';

class SettingPage extends StatefulWidget {
  const SettingPage({super.key});
  @override
  State<SettingPage> createState() => _SettingPageState();
}

class _SettingPageState extends State<SettingPage> {
  late AdManager _adManager;
  late UmpConsentController _adUmp;
  AdUmpState _adUmpState = AdUmpState.initial;
  int _themeNumber = 0;
  String _languageCode = '';
  late ThemeColor _themeColor;
  final _inAppReview = InAppReview.instance;
  bool _isReady = false;
  bool _isFirst = true;
  //
  int _themeImage = 0;
  bool _wakelockEnabled = false;
  int _schemeColor = 0;
  Color _accentColor = Colors.red;

  @override
  void initState() {
    super.initState();
    _initState();
  }

  void _initState() async {
    _adManager = AdManager();
    _themeNumber = Model.themeNumber;
    _languageCode = Model.languageCode;
    //
    _themeImage = Model.themeImage;
    _wakelockEnabled = Model.wakelockEnabled;
    _schemeColor = Model.schemeColor;
    _accentColor = _getRainbowAccentColor(_schemeColor);
    //
    _adUmp = UmpConsentController();
    _refreshConsentInfo();
    //
    setState(() {
      _isReady = true;
    });
  }

  @override
  void dispose() {
    _adManager.dispose();
    super.dispose();
  }

  Future<void> _refreshConsentInfo() async {
    _adUmpState = await _adUmp.updateConsentInfo(current: _adUmpState);
    if (mounted) {
      setState(() {});
    }
  }

  Future<void> _onTapPrivacyOptions() async {
    final err = await _adUmp.showPrivacyOptions();
    await _refreshConsentInfo();
    if (err != null && mounted) {
      final l = AppLocalizations.of(context)!;
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('${l.cmpErrorOpeningSettings} ${err.message}')),
      );
    }
  }

  Color _getRainbowAccentColor(int hue) {
    return HSVColor.fromAHSV(1.0, hue.toDouble(), 1.0, 1.0).toColor();
  }

  Future<void> _onApply() async {
    await Model.setWakelockEnabled(_wakelockEnabled);
    await Model.setThemeImage(_themeImage);
    await Model.setSchemeColor(_schemeColor);
    await Model.setThemeNumber(_themeNumber);
    await Model.setLanguageCode(_languageCode);
    if (!mounted) {
      return;
    }
    Navigator.of(context).pop(true);
  }

  @override
  Widget build(BuildContext context) {
    if (_isReady == false) {
      return LoadingScreen();
    }
    if (_isFirst) {
      _isFirst = false;
      _themeColor = ThemeColor(themeNumber: _themeNumber, context: context);
    }
    final AppLocalizations l = AppLocalizations.of(context)!;
    return Scaffold(
      backgroundColor: _themeColor.backColor,
      appBar: AppBar(
        backgroundColor: Colors.transparent,
        elevation: 0,
        leading: IconButton(
          icon: const Icon(Icons.close),
          onPressed: () => Navigator.of(context).pop(false),
        ),
        title: Text(l.setting),
        centerTitle: true,
        actions: [
          Padding(
            padding: const EdgeInsets.only(right: 10),
            child:IconButton(
              icon: const Icon(Icons.check),
              onPressed: _onApply,
            )
          ),
        ],
      ),
      body: SafeArea(
        child: Column(children:[
          Expanded(
            child: GestureDetector(
              onTap: () => FocusScope.of(context).unfocus(),  //背景タップでキーボードを仕舞う
              child: SingleChildScrollView(
                child: Padding(
                  padding: const EdgeInsets.only(left: 12, right: 12, top: 4, bottom: 100),
                  child: Column(children: [
                    _buildThemeImage(l),
                    _buildWakelockEnabled(l),
                    _buildSchemeColor(l),
                    _buildTheme(l),
                    _buildLanguage(l),
                    _buildReview(l),
                    _buildCmp(l),
                    _buildUsage(l),
                  ]),
                ),
              ),
            ),
          ),
        ]),
      ),
      bottomNavigationBar: AdBannerWidget(adManager: _adManager),
    );
  }

  Widget _buildThemeImage(AppLocalizations l) {
    return Card(
      margin: const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
      color: _themeColor.cardColor,
      elevation: 0,
      shadowColor: Colors.transparent,
      surfaceTintColor: Colors.transparent,
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            ListTile(
              title: Text(l.themeImage, style: Theme.of(context).textTheme.bodyMedium),
              contentPadding: EdgeInsets.zero,
              trailing: DropdownButton<int>(
                value: _themeImage,
                items: [
                  for (int i = 0; i < ConstValue.compassBodies.length; i++)
                    DropdownMenuItem(
                      value: i,
                      child: Text(ConstValue.compassBodies.keys.elementAt(i)),
                    ),
                ],
                onChanged: (value) {
                  if (value != null) {
                    setState(() {
                      _themeImage = value;
                    });
                  }
                },
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildWakelockEnabled(AppLocalizations l) {
    final TextTheme t = Theme.of(context).textTheme;
    return Card(
      margin: const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
      color: _themeColor.cardColor,
      elevation: 0,
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
        child: Row(
          children: [
            Expanded(
              child: Text(
                l.wakelockEnabled,
                style: t.bodyMedium,
              ),
            ),
            Switch(
              value: _wakelockEnabled,
              onChanged: (value) {
                setState(() {
                  _wakelockEnabled = value;
                });
              },
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildSchemeColor(AppLocalizations l) {
    return Card(
        margin: const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
        color: _themeColor.cardColor,
        elevation: 0,
        shadowColor: Colors.transparent,
        surfaceTintColor: Colors.transparent,
        child: Column(
          children: [
            Padding(
              padding: const EdgeInsets.only(left: 16, right: 16, top: 16),
              child: Row(
                children: [
                  Text(l.colorScheme),
                  const Spacer(),
                ],
              ),
            ),
            Padding(
              padding: const EdgeInsets.only(left: 16, right: 16),
              child: Row(
                children: <Widget>[
                  Text(_schemeColor.toStringAsFixed(0)),
                  Expanded(
                      child: SliderTheme(
                          data: SliderTheme.of(context).copyWith(
                            activeTrackColor: _accentColor,
                            inactiveTrackColor: _accentColor.withValues(alpha: 0.3),
                            thumbColor: _accentColor,
                            overlayColor: _accentColor.withValues(alpha: 0.2),
                            valueIndicatorColor: _accentColor,
                          ),
                          child: Slider(
                              value: _schemeColor.toDouble(),
                              min: 0,
                              max: 360,
                              divisions: 360,
                              label: _schemeColor.toString(),
                              onChanged: (double value) {
                                setState(() {
                                  _schemeColor = value.toInt();
                                  _accentColor = _getRainbowAccentColor(_schemeColor);
                                });
                              }
                          )
                      )
                  ),
                ],
              ),
            ),
          ],
        )
    );
  }

  Widget _buildTheme(AppLocalizations l) {
    final TextTheme t = Theme.of(context).textTheme;
    return Card(
      margin: const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
      color: _themeColor.cardColor,
      elevation: 0,
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
        child: Row(
          children: [
            Expanded(
              child: Text(
                l.theme,
                style: t.bodyMedium,
              ),
            ),
            DropdownButton<int>(
              value: _themeNumber,
              items: [
                DropdownMenuItem(value: 0, child: Text(l.systemSetting)),
                DropdownMenuItem(value: 1, child: Text(l.lightTheme)),
                DropdownMenuItem(value: 2, child: Text(l.darkTheme)),
              ],
              onChanged: (value) {
                if (value != null) {
                  setState(() {
                    _themeNumber = value;
                  });
                }
              },
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildLanguage(AppLocalizations l) {
    final Map<String,String> languageNames = {
      'af': 'af: Afrikaans',
      'ar': 'ar: العربية',
      'bg': 'bg: Български',
      'bn': 'bn: বাংলা',
      'bs': 'bs: Bosanski',
      'ca': 'ca: Català',
      'cs': 'cs: Čeština',
      'da': 'da: Dansk',
      'de': 'de: Deutsch',
      'el': 'el: Ελληνικά',
      'en': 'en: English',
      'es': 'es: Español',
      'et': 'et: Eesti',
      'fa': 'fa: فارسی',
      'fi': 'fi: Suomi',
      'fil': 'fil: Filipino',
      'fr': 'fr: Français',
      'gu': 'gu: ગુજરાતી',
      'he': 'he: עברית',
      'hi': 'hi: हिन्दी',
      'hr': 'hr: Hrvatski',
      'hu': 'hu: Magyar',
      'id': 'id: Bahasa Indonesia',
      'it': 'it: Italiano',
      'ja': 'ja: 日本語',
      //'jv': 'jv: Basa Jawa',    //flutterのサポート外
      'km': 'km: ខ្មែរ',
      'kn': 'kn: ಕನ್ನಡ',
      'ko': 'ko: 한국어',
      'lt': 'lt: Lietuvių',
      'lv': 'lv: Latviešu',
      'ml': 'ml: മലയാളം',
      'mr': 'mr: मराठी',
      'ms': 'ms: Bahasa Melayu',
      'my': 'my: မြန်မာ',
      'ne': 'ne: नेपाली',
      'nl': 'nl: Nederlands',
      'or': 'or: ଓଡ଼ିଆ',
      'pa': 'pa: ਪੰਜਾਬੀ',
      'pl': 'pl: Polski',
      'pt': 'pt: Português',
      'ro': 'ro: Română',
      'ru': 'ru: Русский',
      'si': 'si: සිංහල',
      'sk': 'sk: Slovenčina',
      'sr': 'sr: Српски',
      'sv': 'sv: Svenska',
      'sw': 'sw: Kiswahili',
      'ta': 'ta: தமிழ்',
      'te': 'te: తెలుగు',
      'th': 'th: ไทย',
      'tl': 'tl: Tagalog',
      'tr': 'tr: Türkçe',
      'uk': 'uk: Українська',
      'ur': 'ur: اردو',
      'uz': 'uz: Oʻzbekcha',
      'vi': 'vi: Tiếng Việt',
      'zh': 'zh: 中文',
      'zu': 'zu: isiZulu',
    };
    final TextTheme t = Theme.of(context).textTheme;
    return Card(
      margin: const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
      color: _themeColor.cardColor,
      elevation: 0,
      shadowColor: Colors.transparent,
      surfaceTintColor: Colors.transparent,
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
        child: Row(
          children: [
            Expanded(
              child: Text(
                l.language,
                style: t.bodyMedium,
              ),
            ),
            DropdownButton<String?>(
              value: _languageCode,
              items: [
                DropdownMenuItem(value: '', child: Text('Default')),
                ...languageNames.entries.map((entry) => DropdownMenuItem<String?>(
                  value: entry.key,
                  child: Text(entry.value),
                )),
              ],
              onChanged: (String? value) {
                setState(() {
                  _languageCode = value ?? '';
                });
              },
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildReview(AppLocalizations l) {
    final TextTheme t = Theme.of(context).textTheme;
    return Card(
      margin: const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
      color: _themeColor.cardColor,
      elevation: 0,
      child: Padding(
        padding: const EdgeInsets.all(16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(l.reviewApp, style: t.bodyMedium),
            const SizedBox(height: 8),
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                OutlinedButton.icon(
                  icon: Icon(Icons.open_in_new, size: 16),
                  label: Text(l.reviewStore, style: t.bodySmall),
                  style: OutlinedButton.styleFrom(
                    padding: const EdgeInsets.symmetric(vertical: 1, horizontal: 12),
                    side: BorderSide(color: Theme.of(context).colorScheme.primary),
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(8),
                    ),
                  ),
                  onPressed: () async {
                    await _inAppReview.openStoreListing(
                      appStoreId: Secrets.appStoreId,
                    );
                  },
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildCmp(AppLocalizations l) {
    final TextTheme t = Theme.of(context).textTheme;
    final showButton = _adUmpState.privacyStatus == PrivacyOptionsRequirementStatus.required;
    String statusLabel = l.cmpCheckingRegion;
    IconData statusIcon = Icons.help_outline;
    switch (_adUmpState.privacyStatus) {
      case PrivacyOptionsRequirementStatus.required:
        statusLabel = l.cmpRegionRequiresSettings;
        statusIcon = Icons.privacy_tip_outlined;
        break;
      case PrivacyOptionsRequirementStatus.notRequired:
        statusLabel = l.cmpRegionNoSettingsRequired;
        statusIcon = Icons.check_circle_outline;
        break;
      case PrivacyOptionsRequirementStatus.unknown:
        statusLabel = l.cmpRegionCheckFailed;
        statusIcon = Icons.error_outline;
        break;
    }
    return Card(
      margin: const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
      color: _themeColor.cardColor,
      elevation: 0,
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              l.cmpSettingsTitle,
              style: t.bodyMedium,
            ),
            const SizedBox(height: 8),
            Text(
              l.cmpConsentDescription,
              style: t.bodySmall,
            ),
            const SizedBox(height: 16),
            Center(
              child: Column(
                children: [
                  Chip(
                    avatar: Icon(statusIcon, size: 18),
                    label: Text(statusLabel),
                  ),
                  const SizedBox(height: 6),
                  Text(
                    '${l.cmpConsentStatusLabel} ${_adUmpState.consentStatus.localized(context)}',
                    style: t.bodySmall,
                  ),
                  if (showButton) ...[
                    const SizedBox(height: 16),
                    ElevatedButton.icon(
                      onPressed: _adUmpState.isChecking
                          ? null
                          : _onTapPrivacyOptions,
                      icon: const Icon(Icons.settings),
                      label: Text(
                        _adUmpState.isChecking
                            ? l.cmpConsentStatusChecking
                            : l.cmpOpenConsentSettings,
                      ),
                    ),
                    const SizedBox(height: 12),
                    OutlinedButton.icon(
                      onPressed: _adUmpState.isChecking
                          ? null
                          : _refreshConsentInfo,
                      icon: const Icon(Icons.refresh),
                      label: Text(l.cmpRefreshStatus),
                    ),
                    const SizedBox(height: 12),
                    OutlinedButton.icon(
                      onPressed: () async {
                        final messenger = ScaffoldMessenger.of(context);
                        final message = l.cmpResetStatusDone;
                        await ConsentInformation.instance.reset();
                        await _refreshConsentInfo();
                        if (!mounted) {
                          return;
                        }
                        messenger.showSnackBar(
                          SnackBar(content: Text(message)),
                        );
                      },
                      icon: const Icon(Icons.delete_sweep_outlined),
                      label: Text(l.cmpResetStatus),
                    ),
                  ],
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildUsage(AppLocalizations l) {
    final TextTheme t = Theme.of(context).textTheme;
    return SizedBox(
      width: double.infinity,
      child: Card(
        margin: const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
        color: _themeColor.cardColor,
        elevation: 0,
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(l.usage1, style: t.bodySmall),
              const SizedBox(height: 12),
              Text(l.usage2, style: t.bodySmall),
            ],
          ),
        ),
      )
    );
  }

}

import 'package:flutter/material.dart';

import 'package:compassretro/model.dart';
import 'package:compassretro/const_value.dart';

class ThemeColor {
  final int? themeNumber;
  final BuildContext context;

  ThemeColor({this.themeNumber, required this.context});

  Brightness get _effectiveBrightness {
    switch (themeNumber) {
      case 1:
        return Brightness.light;
      case 2:
        return Brightness.dark;
      default:
        return Theme.of(context).brightness;
    }
  }

  bool get _isLight => _effectiveBrightness == Brightness.light;

  //main
  Color get mainForeColor => _isLight ? Color.fromRGBO(255, 255, 255, 1) : Color.fromRGBO(255, 255, 255, 0.7);
  //main image
  String get compassBody => ConstValue.compassBodies.values.elementAt(Model.themeImage);
  String get compassNeedle {
    String needle = 'assets/image/compass_needle02.webp';
    if (Model.themeImage == 0) {
      needle = 'assets/image/compass_needle.webp';
    } else if (Model.themeImage == 1) {
      needle = 'assets/image/compass_needle_dark.webp';
    }
    return needle;
  }
  //setting
  Color get backColor => _isLight ? Colors.grey[200]! : Colors.grey[900]!;
  Color get cardColor => _isLight ? Colors.white : Colors.grey[800]!;
  Color get appBarForegroundColor => _isLight ? Colors.grey[700]! : Colors.white70;
  Color get dropdownColor => cardColor;
  Color get backColorMono => _isLight ? Colors.white : Colors.black;
  Color get foreColorMono => _isLight ? Colors.black : Colors.white;

}

import 'package:flutter/material.dart';

class ThemeModeNumber {
  static ThemeMode numberToThemeMode(int value) {
    switch (value) {
      case 1:
        return ThemeMode.light;
      case 2:
        return ThemeMode.dark;
      default:
        return ThemeMode.system;
    }
  }
}