This page showcases a very simple Flutter-developed app that I created as a hobby.
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.
name: soundgenerator
description: "soundgenerator"
publish_to: 'none'
version: 1.5.0+12
environment:
sdk: ^3.11.5
dependencies:
flutter:
sdk: flutter
flutter_localizations: #flutter gen-l10n
sdk: flutter
cupertino_icons: ^1.0.8
intl: ^0.20.2
shared_preferences: ^2.3.2
google_mobile_ads: ^9.0.0
flutter_pcm_sound: ^3.3.3
wakelock_plus: ^1.4.0
in_app_review: ^2.0.11
app_settings: ^7.0.0
in_app_purchase: ^3.2.0
dev_dependencies:
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_lints: ^6.0.0
flutter_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: '#131313'
image: 'assets/image/splash.png'
color_dark: '#131313'
image_dark: 'assets/image/splash.png'
fullscreen: true
android_12:
icon_background_color: '#131313'
image: 'assets/image/splash.png'
icon_background_color_dark: '#131313'
image_dark: 'assets/image/splash.png'
flutter:
generate: true
uses-material-design: true
config:
enable-swift-package-manager: true
assets:
- assets/icon/
- assets/image/
/// Copyright© ao-system, Inc.
import 'package:flutter/cupertino.dart';
import 'package:google_mobile_ads/google_mobile_ads.dart';
import 'package:soundgenerator/ad_manager.dart';
import 'package:soundgenerator/purchase_service.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) {
//購入済み(広告削除)の場合は何も表示しない
return ValueListenableBuilder<bool>(
valueListenable: PurchaseService.instance.isAdsRemovedNotifier,
builder: (context, isAdsRemoved, _) {
if (isAdsRemoved) {
return const SizedBox.shrink();
}
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();
}
},
),
);
},
);
}
}
/// Copyright© ao-system, Inc.
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:soundgenerator/_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();
_retryTimer = null;
_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();
_retryTimer = null;
_retryAttempt = 0;
final cb = _onLoadedCb;
if (cb != null) {
cb();
}
},
onAdFailedToLoad: (ad, err) {
ad.dispose();
_scheduleRetry();
},
),
)..load();
}
void _scheduleRetry() {
if (kIsWeb) return;
_retryTimer?.cancel();
_retryTimer = null;
_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();
_retryTimer = null;
}
}
/// Copyright© ao-system, Inc.
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:soundgenerator/l10n/app_localizations.dart';
import 'package:soundgenerator/_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 AdUmpConsentController {
//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;
}
}
class AdUmpService {
final AdUmpConsentController _adUmpConsentController = AdUmpConsentController();
Future<AdUmpState> updateConsentInfo(AdUmpState current) async {
return await _adUmpConsentController.updateConsentInfo(current: current);
}
Future<void> requestConsentInfoUpdate(ConsentRequestParameters params) async {
final completer = Completer<void>();
ConsentInformation.instance.requestConsentInfoUpdate(
params,
() => completer.complete(),
(FormError error) => completer.completeError(error),
);
return completer.future;
}
Future<FormError?> showPrivacyOptions() async {
return await _adUmpConsentController.showPrivacyOptions();
}
}
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;
}
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/services.dart';
///App Tracking Transparency サービス
///iOS 14以降で広告トラッキングの許可をリクエストする
class AttService {
//チャンネル名をiOS側と一致させる
static const _channel = MethodChannel('aosystem.att');
static final AttService _instance = AttService._internal();
factory AttService() => _instance;
AttService._internal();
///トラッキング許可をリクエスト
///戻り値: AttStatus (enum)
Future<AttStatus> requestTracking() async {
try {
//iOS側からInt値を受け取る
final result = await _channel.invokeMethod<int>('requestTracking');
//enumに変換して返却
return parseAttStatus(result);
} on MissingPluginException catch (_) {
//ハンドラ未登録(iOS以外/旧バイナリ等)はアプリ全体を落とさない
return AttStatus.unknown;
} on PlatformException catch (_) {
return AttStatus.unknown;
}
}
///現在のトラッキング許可状態を取得
///戻り値:AttStatus(enum)
Future<AttStatus> getTrackingStatus() async {
try {
//iOS側からInt値を受け取る
final result = await _channel.invokeMethod<int>('getTrackingStatus');
//enumに変換して返却
return parseAttStatus(result);
} on MissingPluginException catch (_) {
return AttStatus.unknown;
} on PlatformException catch (_) {
return AttStatus.unknown;
}
}
///トラッキングが許可されているか
Future<bool> isTrackingAuthorized() async {
final status = await getTrackingStatus();
return status == AttStatus.authorized;
}
}
//一緒に利用する enum とヘルパー関数
enum AttStatus {
notDetermined, // 0
restricted, // 1
denied, // 2
authorized, // 3
unknown, // 4
}
AttStatus parseAttStatus(int? value) {
switch (value) {
case 0:
return AttStatus.notDetermined;
case 1:
return AttStatus.restricted;
case 2:
return AttStatus.denied;
case 3:
return AttStatus.authorized;
default:
return AttStatus.unknown;
}
}
/// Copyright© ao-system, Inc.
import 'dart:async';
import 'dart:math';
import 'dart:ui' as ui;
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_pcm_sound/flutter_pcm_sound.dart';
import 'package:wakelock_plus/wakelock_plus.dart';
import 'package:soundgenerator/parse_locale_tag.dart';
import 'package:soundgenerator/setting_page.dart';
import 'package:soundgenerator/theme_color.dart';
import 'package:soundgenerator/theme_mode_number.dart';
import 'package:soundgenerator/waveform_painter.dart';
import 'package:soundgenerator/ad_manager.dart';
import 'package:soundgenerator/loading_screen.dart';
import 'package:soundgenerator/model.dart';
import 'package:soundgenerator/main.dart';
import 'package:soundgenerator/ad_banner_widget.dart';
class MainHomePage extends StatefulWidget {
const MainHomePage({super.key});
@override
State<MainHomePage> createState() => _MainHomePageState();
}
class _MainHomePageState extends State<MainHomePage>with WidgetsBindingObserver {
late ThemeColor _themeColor;
bool _isReady = false;
//
final TextEditingController _freqController = TextEditingController();
String _waveType = 'Sine';
double _gain = 0.5;
double _frequency = 440.0;
double _lfoFreq = 0.0;
double _lfoDepth = 0.0;
double _panner = 0.0;
bool _isPlaying = false;
int _octave = 0;
double _currentBaseFreq = 440.0;
//内部状態
double _phase = 0.0;
double _lfoPhase = 0.0;
static const int _sampleRate = 44100;
//オシロスコープ用データ
List<double> _leftSamples = [];
List<double> _rightSamples = [];
//ピアノ音階データ(C4〜B4)
final Map<String, double> _notes = {
'C': 261.63, 'C#': 277.18, 'D': 293.66, 'D#': 311.13,
'E': 329.63, 'F': 349.23, 'F#': 369.99, 'G': 392.00,
'G#': 415.30, 'A': 440.00, 'A#': 466.16, 'B': 493.88,
'C5': 523.25,
};
// フェード用変数
double _envelope = 0.0;
bool _isStopping = false;
static const double _fadeDuration = 0.3; //秒
static const double _fadeStep = 1.0 / (_sampleRate * _fadeDuration); // 1サンプルあたりの変化量
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
_initState();
}
void _initState() async {
_themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
_freqController.text = _frequency.toStringAsFixed(2);
_initAudio();
if (mounted) {
setState(() {
_isReady = true;
});
}
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
WakelockPlus.disable();
_freqController.dispose();
FlutterPcmSound.release();
super.dispose();
}
//need with WidgetsBindingObserver
//WidgetsBinding.instance.addObserver(this);
//WidgetsBinding.instance.removeObserver(this);
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
switch (state) {
case AppLifecycleState.resumed:
_wakelock();
break;
case AppLifecycleState.inactive:
case AppLifecycleState.paused:
case AppLifecycleState.detached:
case AppLifecycleState.hidden:
WakelockPlus.disable();
break;
}
}
void _wakelock() {
if (Model.wakelockEnabled) {
WakelockPlus.enable();
} else {
WakelockPlus.disable();
}
}
void _initAudio() async {
await FlutterPcmSound.setup(sampleRate: _sampleRate, channelCount: 2);
await FlutterPcmSound.setFeedThreshold(_sampleRate ~/ 20);
FlutterPcmSound.setFeedCallback(_onFeed);
}
void _onFeed(int remainingFrames) async {
// 再生中ではない、かつフェードも終わっている（無音）なら何もしない
if (!_isPlaying && _envelope <= 0) {
return;
}
const int framesToGenerate = 2048;
final List<int> buffer = [];
final List<double> currentL = [];
final List<double> currentR = [];
for (int i = 0; i < framesToGenerate; i++) {
// --- エンベロープ処理 ---
if (_isPlaying && !_isStopping) {
// フェードイン
_envelope = (_envelope + _fadeStep).clamp(0.0, 1.0);
} else if (_isStopping) {
// フェードアウト
_envelope = (_envelope - _fadeStep).clamp(0.0, 1.0);
if (_envelope <= 0) {
// 完全に消音したら状態をリセット
_isPlaying = false;
_isStopping = false;
}
}
// 位相計算
_lfoPhase += 2 * pi * _lfoFreq / _sampleRate;
double vibrato = sin(_lfoPhase) * _lfoDepth;
double currentFreq = (_frequency + vibrato).clamp(20.0, 20000.0);
_phase += 2 * pi * currentFreq / _sampleRate;
_phase %= 2 * pi;
double sample = _calcSample(_phase, _waveType);
// エンベロープ（_envelope）を音量に乗算
double leftVol = _gain * _envelope * (1.0 - _panner).clamp(0.0, 1.0);
double rightVol = _gain * _envelope * (1.0 + _panner).clamp(0.0, 1.0);
buffer.add((sample * leftVol * 32767).toInt());
buffer.add((sample * rightVol * 32767).toInt());
if (i < 256) {
currentL.add(sample * leftVol);
currentR.add(sample * rightVol);
}
}
// まだ再生中、またはフェードアウトが終わっていない間だけ feed する
if (_isPlaying || _envelope > 0) {
await FlutterPcmSound.feed(PcmArrayInt16.fromList(buffer));
}
// グラフは常に最新の状態（フェード中も含む）を表示
setState(() {
_leftSamples = currentL;
_rightSamples = currentR;
});
}
void _togglePlay() async {
if (_isPlaying && !_isStopping) {
// STOPボタン押下：フェードアウト開始フラグを立てる
setState(() => _isStopping = true);
} else if (!_isPlaying) {
// PLAYボタン押下：再生開始
setState(() {
_isPlaying = true;
_isStopping = false;
_envelope = 0.0; // 0からフェードイン開始
});
FlutterPcmSound.start();
}
}
double _calcSample(double phase, String type) {
switch (type) {
case 'Sine': return sin(phase);
case 'Square': return sin(phase) >= 0 ? 1.0 : -1.0;
case 'Sawtooth': return 2.0 * (phase / (2 * pi) - (phase / (2 * pi)).floor()) - 1.0;
case 'Triangle': return (2.0 * (phase / (2 * pi) - (phase / (2 * pi) + 0.5).floor())).abs() * 2.0 - 1.0;
default: return 0.0;
}
}
//オクターブ変更処理
void _updateOctave(int delta) {
setState(() {
_octave += delta;
// 現在のベース音 × 2のオクターブ乗 でリアルタイムに周波数を更新
_frequency = (_currentBaseFreq * pow(2, _octave)).clamp(20.0, 20000.0);
});
}
void _playNote(double baseFreq) {
setState(() {
_currentBaseFreq = baseFreq; // 押した鍵盤の基本周波数を記憶
_frequency = (baseFreq * pow(2, _octave)).clamp(20.0, 20000.0);
});
}
void _resetOctave() {
setState(() {
_octave = 0;
_frequency = _currentBaseFreq;
});
}
Future<void> _openSetting() async {
final updated = await Navigator.push<bool>(
context,
MaterialPageRoute(builder: (_) => const SettingPage()),
);
if (mounted && updated == true) {
MainApp.of(context).rebuildApp();
_themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
_wakelock();
}
if (mounted) {
setState(() {});
}
}
@override
Widget build(BuildContext context) {
if (!_isReady) {
return LoadingScreen();
}
final t = Theme.of(context).textTheme;
return Scaffold(
backgroundColor: _themeColor.mainBackColor,
body: Stack(children:[
Container(
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [_themeColor.mainBack2Color, _themeColor.mainBackColor],
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
),
image: DecorationImage(
image: AssetImage('assets/image/tile.png'),
repeat: ImageRepeat.repeat,
opacity: 0.1,
),
),
),
SafeArea(
child: Column(
children: [
SizedBox(
height: 36,
child: Row(
children: [
const SizedBox(width: 10),
Text('SOUND GENERATOR', style: t.titleSmall?.copyWith(color: _themeColor.mainForeColor)),
const Spacer(),
IconButton(
onPressed: _openSetting,
icon: Icon(Icons.settings,color: _themeColor.mainForeColor.withValues(alpha: 0.6)),
),
],
)
),
Expanded(
child: GestureDetector(
onTap: () => FocusScope.of(context).unfocus(),
child: SingleChildScrollView(
padding: const EdgeInsets.only(left: 8, right: 8, top: 1, bottom: 100),
child: Column(
children: [
_buildOscilloscope(),
_buildOctavePianoKeyboard(),
_buildSelector(),
_buildPlayButton(),
]
)
)
)
)
]
)
)
]),
bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
);
}
Widget _buildOscilloscope() {
return Container(
height: 80,
width: double.infinity,
decoration: BoxDecoration(
color: _themeColor.mainCardColor,
borderRadius: BorderRadius.circular(12),
),
child: CustomPaint(
painter: WaveformPainter(left: _leftSamples, right: _rightSamples),
),
);
}
Widget _buildOctavePianoKeyboard() {
return SizedBox(
width: double.infinity,
child: Card(
margin: const EdgeInsets.only(left: 0, top: 8, right: 0, bottom: 0),
color: _themeColor.cardColor,
elevation: 0,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 1),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildOctave(),
_buildPianoKeyboard()
],
),
),
)
);
}
Widget _buildOctave() {
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text("Octave: ", style: TextStyle(color: _themeColor.mainForeColor)),
IconButton(
icon: const Icon(Icons.remove_circle_outline),
onPressed: () => _updateOctave(-1),
),
Text("$_octave", style: TextStyle(color: _themeColor.mainForeColor, fontSize: 20, fontWeight: FontWeight.bold)),
IconButton(
icon: const Icon(Icons.add_circle_outline),
onPressed: () => _updateOctave(1),
),
TextButton(
onPressed: _resetOctave,
child: const Text("Reset"),
)
],
);
}
Widget _buildPianoKeyboard() {
return LayoutBuilder(
builder: (context, constraints) {
// 画面の横幅を8分割して白鍵1枚の幅を決める
final double totalWidth = constraints.maxWidth;
final double whiteKeyWidth = totalWidth / 8;
// 高さは幅に合わせてバランス調整（例：幅の2.5倍）
final double whiteKeyHeight = whiteKeyWidth * 1.3;
final double blackKeyWidth = whiteKeyWidth * 0.8;
final double blackKeyHeight = whiteKeyHeight * 0.5;
final List<String> whiteNotes = ['C', 'D', 'E', 'F', 'G', 'A', 'B', 'C5'];
final Map<int, String> blackNotes = {0: 'C#', 1: 'D#', 3: 'F#', 4: 'G#', 5: 'A#'};
return SizedBox(
height: whiteKeyHeight + 10,
width: totalWidth, // 親要素（画面幅）いっぱいに広げる
child: Stack(
clipBehavior: Clip.none,
children: [
// 1. 白鍵を並べる
Row(
children: whiteNotes.map((note) {
return SizedBox(
width: whiteKeyWidth,
height: whiteKeyHeight,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.white,
foregroundColor: Colors.black,
elevation: 4,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(bottom: Radius.circular(5)),
),
side: const BorderSide(color: Colors.black26, width: 0.5),
padding: const EdgeInsets.only(bottom: 10),
),
onPressed: () => _playNote(_notes[note]!),
child: Align(
alignment: Alignment.bottomCenter,
child: Text(note, style: const TextStyle(fontSize: 10, fontWeight: FontWeight.bold)),
),
),
);
}).toList(),
),
// 2. 黒鍵を重ねる
...blackNotes.entries.map((entry) {
int index = entry.key;
String note = entry.value;
// 白鍵の境界線上に配置
double leftPosition = (index + 1) * whiteKeyWidth - (blackKeyWidth / 2);
return Positioned(
left: leftPosition,
top: 0,
child: SizedBox(
width: blackKeyWidth,
height: blackKeyHeight,
child: ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: Colors.black,
foregroundColor: Colors.white,
elevation: 6,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(bottom: Radius.circular(3)),
),
padding: EdgeInsets.zero,
),
onPressed: () => _playNote(_notes[note]!),
child: Align(
alignment: Alignment.bottomCenter,
child: Padding(
padding: const EdgeInsets.only(bottom: 8),
child: Text(note, style: const TextStyle(fontSize: 8, color: Colors.white70)),
),
),
),
),
);
}),
],
),
);
},
);
}
Widget _buildSelector() {
return SizedBox(
width: double.infinity,
child: Card(
margin: const EdgeInsets.only(left: 0, top: 8, right: 0, bottom: 0),
color: _themeColor.cardColor,
elevation: 0,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 2),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Expanded(
child: _buildWaveTypeSelector(),
),
Expanded(
child: _buildTextFrequency(),
),
],
),
_buildSlider("Frequency (Hz)",
_frequency.clamp(20.0, 20000.0), 20.0, 20000.0, (v) => setState(() {
_frequency = v;
_currentBaseFreq = v / pow(2, _octave); //スライダーを動かした時もベース音を逆算して同期
_freqController.text = v.toStringAsFixed(2);
}),
),
_buildSlider("Gain", _gain, 0.0, 1.0, (v) => setState(() => _gain = v)),
_buildSlider("LFO Freq", _lfoFreq, 0.0, 20.0, (v) => setState(() => _lfoFreq = v)),
_buildSlider("LFO Depth", _lfoDepth, 0.0, 100.0, (v) => setState(() => _lfoDepth = v)),
_buildSlider("Panner", _panner, -1.0, 1.0, (v) => setState(() => _panner = v)),
],
),
),
)
);
}
Widget _buildTextFrequency() {
return SizedBox(
height: 35,
child: TextFormField(
controller: _freqController,
keyboardType: TextInputType.number,
style: TextStyle(color: _themeColor.mainForeColor, fontWeight: FontWeight.bold, fontSize: 14),
textAlign: TextAlign.center,
decoration: InputDecoration(
contentPadding: const EdgeInsets.symmetric(horizontal: 4),
filled: true,
fillColor: Colors.white10,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: BorderSide.none,
),
),
onFieldSubmitted: (value) {
double? newValue = double.tryParse(value);
if (newValue != null) {
setState(() {
_frequency = newValue.clamp(20.0, 20000.0);
_currentBaseFreq = _frequency / pow(2, _octave);
_freqController.text = _frequency.toStringAsFixed(2);
});
}
},
),
);
}
Widget _buildWaveTypeSelector() {
final ColorScheme t = Theme.of(context).colorScheme;
return Container(
margin: const EdgeInsets.only(bottom: 10),
padding: const EdgeInsets.symmetric(horizontal: 16),
decoration: BoxDecoration(borderRadius: BorderRadius.circular(10)),
child: DropdownButton<String>(
value: _waveType,
isExpanded: true,
dropdownColor: _themeColor.mainDropdownColor,
style: TextStyle(color: t.primary, fontSize: 18),
items: ['Sine', 'Square', 'Sawtooth', 'Triangle']
.map((t) => DropdownMenuItem(value: t, child: Text(t))).toList(),
onChanged: (v) => setState(() => _waveType = v!),
),
);
}
Widget _buildSlider(String label, double value, double min, double max, ValueChanged<double> onChanged) {
return Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(label, style: TextStyle(color: _themeColor.mainForeColor)),
Text(value.toStringAsFixed(2), style: TextStyle(color: _themeColor.mainForeColor, fontWeight: FontWeight.bold)),
],
),
Slider(value: value, min: min, max: max, onChanged: onChanged, label: value.toStringAsFixed(2)),
],
);
}
Widget _buildPlayButton() {
final ColorScheme t = Theme.of(context).colorScheme;
return Padding(
padding: const EdgeInsets.only(top: 8.0),
child: Row(
children: [
// PLAY ボタン
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: _isPlaying ? null : _togglePlay,
style: ElevatedButton.styleFrom(
elevation: 0,
backgroundColor: _isPlaying ? t.secondary : t.primary,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
child: Text("PLAY",
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.bold,
color: _isPlaying ? _themeColor.mainForeColor : _themeColor.mainButtonForeColor
)
),
),
),
),
const SizedBox(width: 8),
// STOP ボタン
Expanded(
child: SizedBox(
height: 40,
child: ElevatedButton(
onPressed: !_isPlaying ? null : _togglePlay,
style: ElevatedButton.styleFrom(
elevation: 0,
backgroundColor: !_isPlaying ? t.secondary : t.primary,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
child: Text("STOP",
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.bold,
color: !_isPlaying ? _themeColor.mainForeColor : _themeColor.mainButtonForeColor
)
),
),
),
),
],
),
);
}
}
/// Copyright© ao-system, Inc.
import 'dart:math';
import 'package:flutter/material.dart';
class LoadingScreen extends StatefulWidget {
final String message;
const LoadingScreen({
super.key,
this.message = '',
});
@override
State<LoadingScreen> createState() => _LoadingScreenState();
}
class _LoadingScreenState extends State<LoadingScreen> with SingleTickerProviderStateMixin {
late AnimationController _animationController;
@override
void initState() {
super.initState();
final randomStart = Random().nextDouble();
_animationController = AnimationController(
vsync: this,
duration: const Duration(seconds: 6),
value: randomStart,
)..repeat();
}
@override
void dispose() {
_animationController.dispose();
super.dispose();
}
Color _rainbowColor(double value) {
final hue = _animationController.value * 360;
return HSVColor.fromAHSV(1, hue, 1, value).toColor();
}
@override
Widget build(BuildContext context) {
final barHeight = MediaQuery.of(context).size.height * 0.4;
return AnimatedBuilder(
animation: _animationController,
builder: (context, _) {
final foreColor = _rainbowColor(1.0);
final backColor = _rainbowColor(0.08);
return Scaffold(
backgroundColor: backColor,
body: Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
SizedBox(
height: barHeight,
child: RotatedBox(
quarterTurns: -1,
child: LinearProgressIndicator(
minHeight: 1,
valueColor: AlwaysStoppedAnimation(foreColor),
backgroundColor: Colors.transparent,
),
),
),
const SizedBox(height: 5),
Text(
'LOADING',
style: TextStyle(
color: foreColor,
fontSize: 18,
letterSpacing: 16,
),
),
//メッセージが空でない場合のみ、LOADINGの下に小さく表示する
if (widget.message.isNotEmpty) ...[
const SizedBox(height: 8),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 24.0),
child: Text(
widget.message,
textAlign: TextAlign.center,
style: TextStyle(
color: Colors.white60,
fontSize: 14,
),
),
),
],
const SizedBox(height: 5),
SizedBox(
height: barHeight,
child: RotatedBox(
quarterTurns: 1,
child: LinearProgressIndicator(
minHeight: 1,
valueColor: AlwaysStoppedAnimation(foreColor),
backgroundColor: Colors.transparent,
),
),
),
],
),
),
);
},
);
}
}
/// Copyright© ao-system, Inc.
import 'dart:async';
import 'dart:io';
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:soundgenerator/home_page.dart";
import 'package:soundgenerator/l10n/app_localizations.dart';
import 'package:soundgenerator/loading_screen.dart';
import 'package:soundgenerator/model.dart';
import 'package:soundgenerator/parse_locale_tag.dart';
import 'package:soundgenerator/theme_mode_number.dart';
import 'package:soundgenerator/ad_ump_status.dart';
import 'package:soundgenerator/att_service.dart';
import 'package:soundgenerator/ad_manager.dart';
import 'package:soundgenerator/purchase_service.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
//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> with WidgetsBindingObserver {
late final AdManager adManager;
ThemeMode _themeMode = ThemeMode.system;
Locale? _locale;
bool _hasError = false;
bool _isReady = false;
String _loadingMessage = 'Loading...';
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
_initState();
}
void _initState() async {
try {
adManager = AdManager();
// 1. ローカルデータ初期化
if (mounted) {
setState(() => _loadingMessage = 'Loading local data...');
}
await Model.ensureReady();
// 2. 外部初期化の初期メッセージ（並列処理が始まるため初期メッセージを設定）
if (mounted) {
setState(() => _loadingMessage = 'Preparing payment and ad systems...');
}
// 各処理の完了を個別に検知してメッセージを更新するためのフラグ
bool isPurchaseDone = false;
bool isAdsDone = false;
// メッセージを動的に更新するためのヘルパー関数
void updateParallelStatus() {
if (!mounted) {
return;
}
if (isPurchaseDone && !isAdsDone) {
setState(() => _loadingMessage = 'Preparing ad system...');
} else if (!isPurchaseDone && isAdsDone) {
setState(() => _loadingMessage = 'Preparing payment system...');
}
}
await Future.wait([
//【課金初期化】
() async {
try {
await PurchaseService.instance.init().timeout(
const Duration(seconds: 10),
onTimeout: () => debugPrint('Purchase init timeout'),
);
} catch (e) {
debugPrint('Purchase init error: $e');
} finally {
isPurchaseDone = true;
updateParallelStatus(); //状態が変わったらメッセージ更新
}
}(),
//【広告初期化一式】
() async {
try {
//進行状況を細かく出したい場合は、包括タイムアウトの「中」で更新する
await () async {
final adUmpConsentController = AdUmpConsentController();
if (!kIsWeb && Platform.isIOS) {
if (mounted) {
setState(() => _loadingMessage = 'Waiting for iOS startup status...');
}
if (await _waitForResumed()) {
final attService = AttService();
AttStatus attStatus = await attService.getTrackingStatus();
if (attStatus == AttStatus.notDetermined) {
if (mounted) {
setState(() => _loadingMessage = 'Requesting tracking permission...');
}
attStatus = await attService.requestTracking();
}
if (attStatus == AttStatus.denied || attStatus == AttStatus.restricted) {
if (mounted) {
setState(() => _loadingMessage = 'Initializing ad services...');
}
await MobileAds.instance.initialize();
await AdManager.initForNPA();
return; //iOSで拒否の場合はここで終了してUMPをスキップ
}
}
}
//通常フロー（Android / iOS許可時）
if (mounted) {
setState(() => _loadingMessage = 'Checking user consent status...');
}
await adUmpConsentController.updateConsentInfo();
if (mounted) {
setState(() => _loadingMessage = 'Initializing ad services...');
}
await MobileAds.instance.initialize();
await AdManager.initForNPA();
}().timeout(
(!kIsWeb && Platform.isIOS) ? const Duration(seconds: 30) : const Duration(seconds: 10),
onTimeout: () {
debugPrint('Ads initialization comprehensive timeout (${Platform.operatingSystem})');
},
);
} catch (e) {
debugPrint('Ads initialization error: $e');
} finally {
isAdsDone = true;
updateParallelStatus(); //状態が変わったらメッセージ更新
}
}(),
]);
} catch (e) {
debugPrint('Critical init error: $e');
//ここでエラー状態をセットしてエラー画面へ切り替える
if (mounted) {
setState(() {
_hasError = true;
});
return; //エラー時はここで処理を終え、下の home_page への遷移を防ぐ
}
}
//画面遷移
if (mounted) {
setState(() {
_loadingMessage = 'Starting app...';
_themeMode = ThemeModeNumber.numberToThemeMode(Model.themeNumber);
_locale = parseLocaleTag(Model.languageCode);
_isReady = true;
});
}
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
adManager.dispose();
PurchaseService.instance.dispose();
super.dispose();
}
//アプリがactive/resumed状態になるまで待つ。すでにresumedならすぐにtrueを返す。タイムアウト時はfalse。
Future<bool> _waitForResumed({
Duration timeout = const Duration(seconds: 8),
}) async {
final binding = WidgetsBinding.instance;
if (binding.lifecycleState == AppLifecycleState.resumed) {
return true;
}
final completer = Completer<bool>();
late final AppLifecycleListener listener;
listener = AppLifecycleListener(
onStateChange: (state) {
if (state == AppLifecycleState.resumed && !completer.isCompleted) {
completer.complete(true);
}
},
);
try {
return await completer.future.timeout(timeout, onTimeout: () => false);
} finally {
listener.dispose();
}
}
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) {
final colorScheme = ColorScheme.fromSeed(seedColor: seed, brightness: brightness);
return ThemeData(
useMaterial3: true,
colorScheme: colorScheme,
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,
),
),
outlinedButtonTheme: OutlinedButtonThemeData(
style: OutlinedButton.styleFrom(
side: BorderSide(color: colorScheme.primary),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
),
),
);
}
@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() : Scaffold(body: LoadingScreen(message: _loadingMessage)),
);
}
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,
),
),
),
),
);
}
}
/// Copyright© ao-system, Inc.
import 'dart:ui' as ui;
import 'package:shared_preferences/shared_preferences.dart';
import 'package:soundgenerator/l10n/app_localizations.dart';
class Model {
Model._();
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 bool _wakelockEnabled = false;
static int _schemeColor = 250;
static int _themeNumber = 0;
static String _languageCode = '';
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();
//
_wakelockEnabled = prefs.getBool(_prefWakelockEnabled) ?? false;
_schemeColor = (prefs.getInt(_prefSchemeColor) ?? 250).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> 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);
}
}
/// Copyright© ao-system, Inc.
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,
);
}
/// Copyright© ao-system, Inc.
import 'dart:async';
import 'dart:io' show Platform;
import 'package:flutter/foundation.dart';
import 'package:in_app_purchase/in_app_purchase.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:soundgenerator/_secrets.dart';
/// 課金イベントの種別(UI 側のスナックバー等に利用)
enum PurchaseEventType {
pending, //購入処理中(承認待ち等)
purchased, //購入成功
restored, //復元成功
canceled, //ユーザーキャンセル
error, //エラー
notFound, //商品 ID が見つからない
unavailable,//ストア利用不可
}
class PurchaseEvent {
final PurchaseEventType type;
final String productId;
final String? message;
const PurchaseEvent(this.type, this.productId, [this.message]);
@override
String toString() => 'PurchaseEvent($type, $productId, $message)';
}
/// 非消費型(Non-Consumable)IAP の汎用サービス。
/// 他アプリに流用するときは [productId] と [prefKey] を差し替えるだけで動く。
/// 「広告削除」だけでなく汎用「機能解放」用途にも使える。
class PurchaseService {
PurchaseService._({
required this.productId,
required this.prefKey,
});
/// シングルトン。アプリ起動時に [init] を呼ぶ。
/// productId / prefKey を変えたい場合はこのファイルの末尾、もしくは init 前にこの行を書き換える。
static final PurchaseService instance = PurchaseService._(
productId: Secrets.purchaseServiceProductId,
prefKey: 'isAdsRemoved', //preferences
);
/// ストアに登録した Product ID(iOS: App Store Non-Consumable / Android: Play One-time)
final String productId;
/// SharedPreferences に保存するキー
final String prefKey;
final InAppPurchase _iap = InAppPurchase.instance;
StreamSubscription<List<PurchaseDetails>>? _subscription;
final StreamController<PurchaseEvent> _eventController =
StreamController<PurchaseEvent>.broadcast();
/// 購入状態。広告ウィジェット側は ValueListenableBuilder で監視できる。
final ValueNotifier<bool> isAdsRemovedNotifier = ValueNotifier<bool>(false);
/// 商品情報。価格表示用 UI は ValueListenableBuilder で監視すれば
/// ストアから取得され次第ローカライズ価格(例: ¥450, \$2.99, €3.19)に自動更新される。
final ValueNotifier<ProductDetails?> productNotifier =
ValueNotifier<ProductDetails?>(null);
bool _isAvailable = false;
bool _initialized = false;
/// 課金イベント(購入成功・失敗・キャンセル等)を UI 側へ通知するストリーム
Stream<PurchaseEvent> get events => _eventController.stream;
/// ストアが利用可能かどうか
bool get isAvailable => _isAvailable;
/// 商品情報(価格表示などに利用)。リアクティブに監視したい場合は [productNotifier] を使う。
ProductDetails? get product => productNotifier.value;
/// 現在の購入状態(広告非表示状態)
bool get isAdsRemoved => isAdsRemovedNotifier.value;
/// アプリ起動時に一度だけ呼ぶ。SharedPreferences から購入状態を読み、
/// 購入ストリームの購読、商品情報の取得まで行う。
Future<void> init() async {
if (_initialized) {
return;
}
_initialized = true;
//SharedPreferences から購入状態を復元
final prefs = await SharedPreferences.getInstance();
final saved = prefs.getBool(prefKey) ?? false;
isAdsRemovedNotifier.value = saved;
_log('init: persisted isAdsRemoved=$saved');
//ストア利用可否
try {
_isAvailable = await _iap.isAvailable();
} catch (e) {
_isAvailable = false;
_log('isAvailable check failed: $e');
}
if (!_isAvailable) {
_log('Store is NOT available on this device.');
return;
}
_log('Store is available. platform=${Platform.operatingSystem}');
//購入ストリームを購読(購入処理は非同期にここへ流れてくる)
_subscription = _iap.purchaseStream.listen(
_onPurchaseUpdated,
onDone: () {
_log('purchaseStream done');
_subscription?.cancel();
_subscription = null;
},
onError: (Object e) {
_log('purchaseStream error: $e');
},
);
//商品情報の取得(価格表示などに利用)
await _loadProduct();
}
Future<void> _loadProduct() async {
try {
final response = await _iap.queryProductDetails(<String>{productId});
if (response.error != null) {
_log('queryProductDetails error: ${response.error}');
}
if (response.notFoundIDs.isNotEmpty) {
_log('Product NOT FOUND in store: ${response.notFoundIDs}. '
'ストア側の登録漏れ・申請待ち・テストアカウント未設定の可能性があります。');
_eventController.add(
PurchaseEvent(PurchaseEventType.notFound, productId, 'Product not found on store.'),
);
}
if (response.productDetails.isNotEmpty) {
final loaded = response.productDetails.first;
productNotifier.value = loaded;
_log('Loaded product: id=${loaded.id} '
'title="${loaded.title}" price=${loaded.price} '
'(${loaded.currencyCode})');
}
} catch (e) {
_log('queryProductDetails exception: $e');
}
}
/// 広告削除の購入を開始する。
/// 実際の購入成否は [events] ストリームに流れてくる。
/// 戻り値はストアに購入リクエストを「投げられたか」のみ。
Future<bool> purchaseRemoveAds() async {
if (!_isAvailable) {
_log('purchaseRemoveAds: store unavailable');
_eventController.add(
PurchaseEvent(PurchaseEventType.unavailable, productId, 'Store is not available.'),
);
return false;
}
//既に購入済みなら何もしない
if (isAdsRemoved) {
_log('purchaseRemoveAds: already purchased — skipping');
_eventController.add(
PurchaseEvent(PurchaseEventType.restored, productId,'Already purchased.'),
);
return true;
}
//商品情報がまだ無ければ再取得
if (productNotifier.value == null) {
_log('purchaseRemoveAds: product not loaded yet — retrying load');
await _loadProduct();
}
final product = productNotifier.value;
if (product == null) {
_log('purchaseRemoveAds: product still null — abort');
_eventController.add(
PurchaseEvent(PurchaseEventType.notFound, productId, 'Product not loaded.'),
);
return false;
}
try {
final param = PurchaseParam(productDetails: product);
_log('Calling buyNonConsumable for ${product.id}');
final ok = await _iap.buyNonConsumable(purchaseParam: param);
_log('buyNonConsumable accepted=$ok');
return ok;
} catch (e) {
_log('purchaseRemoveAds exception: $e');
_eventController.add(
PurchaseEvent(PurchaseEventType.error, productId, e.toString()),
);
return false;
}
}
/// 購入の復元。iOS は明示呼び出しが必須。Android も明示的に対応するために用意。
Future<void> restorePurchases() async {
if (!_isAvailable) {
_log('restorePurchases: store unavailable');
_eventController.add(
PurchaseEvent(PurchaseEventType.unavailable, productId, 'Store is not available.'),
);
return;
}
try {
_log('restorePurchases: requesting…');
await _iap.restorePurchases();
_log('restorePurchases: request issued (results come via purchaseStream)');
} catch (e) {
_log('restorePurchases exception: $e');
_eventController.add(
PurchaseEvent(PurchaseEventType.error, productId, e.toString()),
);
}
}
Future<void> _onPurchaseUpdated(List<PurchaseDetails> list) async {
for (final p in list) {
_log('purchaseStream update: id=${p.productID} status=${p.status} '
'pendingComplete=${p.pendingCompletePurchase} '
'error=${p.error?.message}');
switch (p.status) {
case PurchaseStatus.pending:
_eventController.add(
PurchaseEvent(PurchaseEventType.pending, p.productID));
break;
case PurchaseStatus.purchased:
case PurchaseStatus.restored:
if (p.productID == productId) {
//ここで本来はサーバーレシート検証を行うのが望ましいが、
//本アプリは単純な広告削除のみのためローカル保存で完結させる。
await _setAdsRemoved(true);
final type = p.status == PurchaseStatus.purchased
? PurchaseEventType.purchased
: PurchaseEventType.restored;
_log(type == PurchaseEventType.purchased
? '✅ 購入成功 (${p.productID})'
: '✅ 購入を復元 (${p.productID})');
_eventController.add(PurchaseEvent(type, p.productID));
}
break;
case PurchaseStatus.error:
_log('❌ 購入エラー: ${p.error?.code} ${p.error?.message}');
_eventController.add(
PurchaseEvent(PurchaseEventType.error, p.productID,
p.error?.message),
);
break;
case PurchaseStatus.canceled:
_log('⚠️ 購入キャンセル (${p.productID})');
_eventController.add(
PurchaseEvent(PurchaseEventType.canceled, p.productID));
break;
}
//ストアに「処理完了」を通知。これを呼ばないと再起動時に同じ購入がループする。
if (p.pendingCompletePurchase) {
try {
await _iap.completePurchase(p);
_log('completePurchase done for ${p.productID}');
} catch (e) {
_log('completePurchase exception: $e');
}
}
}
}
Future<void> _setAdsRemoved(bool value) async {
isAdsRemovedNotifier.value = value;
final prefs = await SharedPreferences.getInstance();
await prefs.setBool(prefKey, value);
_log('SharedPreferences saved: $prefKey=$value');
}
/// テスト用:購入状態をクリアして初期状態に戻す(配布版では絶対に呼ばないこと)
@visibleForTesting
Future<void> debugResetPurchase() async {
await _setAdsRemoved(false);
_log('debugResetPurchase: cleared');
}
void dispose() {
_subscription?.cancel();
_subscription = null;
_eventController.close();
productNotifier.dispose();
isAdsRemovedNotifier.dispose();
}
void _log(String msg) {
assert(() { //assert は Debug でしか動かない
debugPrint('[PurchaseService] $msg');
return true;
}());
}
}
/// Copyright© ao-system, Inc.
import 'dart:async';
import 'dart:io' show Platform;
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
import 'package:in_app_purchase/in_app_purchase.dart' show ProductDetails;
import 'package:soundgenerator/purchase_service.dart';
import 'package:soundgenerator/l10n/app_localizations.dart';
/// 広告削除(IAP)の説明・購入・復元 ページ。
/// PurchaseService と組み合わせるだけで他アプリでも流用できる単独ページ。
class RemoveAdsPage extends StatefulWidget {
const RemoveAdsPage({super.key});
@override
State<RemoveAdsPage> createState() => _RemoveAdsPageState();
}
class _RemoveAdsPageState extends State<RemoveAdsPage> {
StreamSubscription<PurchaseEvent>? _eventSub;
bool _busy = false;
@override
void initState() {
super.initState();
//購入イベントを購読して SnackBar 表示
_eventSub = PurchaseService.instance.events.listen(_onPurchaseEvent);
}
@override
void dispose() {
_eventSub?.cancel();
super.dispose();
}
void _onPurchaseEvent(PurchaseEvent e) {
if (!mounted) return;
final AppLocalizations l = AppLocalizations.of(context)!;
String? text;
switch (e.type) {
case PurchaseEventType.pending:
text = l.removeAdProcessing;
break;
case PurchaseEventType.purchased:
text = l.removeAdSuccess;
break;
case PurchaseEventType.restored:
text = l.removeAdRestored;
break;
case PurchaseEventType.canceled:
text = l.removeAdCanceled;
break;
case PurchaseEventType.error:
text = '${l.removeAdFailed} ${e.message ?? ""}';
break;
case PurchaseEventType.notFound:
text = l.removeAdProductNotFound;
break;
case PurchaseEventType.unavailable:
text = l.removeAdStoreUnavailable;
break;
}
setState(() => _busy = false);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(text)),
);
}
Future<void> _onPurchase() async {
setState(() => _busy = true);
final accepted = await PurchaseService.instance.purchaseRemoveAds();
//accepted は「リクエストを投げられたか」のみ。結果は events から届く。
if (!accepted && mounted) {
setState(() => _busy = false);
}
}
Future<void> _onRestore() async {
setState(() => _busy = true);
await PurchaseService.instance.restorePurchases();
//復元結果も events から届く。一定時間後に busy を戻すフォールバック。
Future.delayed(const Duration(seconds: 4), () {
if (mounted && _busy) {
setState(() => _busy = false);
}
});
}
bool get _isIOS => !kIsWeb && Platform.isIOS;
bool get _isAndroid => !kIsWeb && Platform.isAndroid;
@override
Widget build(BuildContext context) {
final AppLocalizations l = AppLocalizations.of(context)!;
final TextTheme t = Theme.of(context).textTheme;
return Scaffold(
appBar: AppBar(
title: Text(l.removeAdTitle,style: t.titleMedium),
centerTitle: true,
leading: IconButton(
icon: const Icon(Icons.arrow_back),
onPressed: () => Navigator.of(context).pop(),
),
),
body: SafeArea(
child: ValueListenableBuilder<bool>(
valueListenable: PurchaseService.instance.isAdsRemovedNotifier,
builder: (context, isAdsRemoved, _) {
//商品情報(価格)はストアから非同期に届くので、productNotifier でも再ビルド。
//ProductDetails.price はストア側でローカライズ済み(例: ¥450, $2.99, €3.19)。
return ValueListenableBuilder<ProductDetails?>(
valueListenable: PurchaseService.instance.productNotifier,
builder: (context, product, _) {
final priceText = product?.price;
return SingleChildScrollView(
padding: const EdgeInsets.only(left: 20, right: 20, top: 16, bottom: 100),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_statusBanner(isAdsRemoved, priceText, l, t),
const SizedBox(height: 20),
_section(
title: l.removeAdWhatIs,
body: l.removeAdDescription,
t: t,
),
const SizedBox(height: 16),
_section(
title: l.removeAdPriceSection,
body: _priceSectionBody(priceText, l),
t: t,
),
const SizedBox(height: 16),
_section(
title: l.removeAdCaution,
body: l.removeAdCautionText,
t: t,
),
const SizedBox(height: 16),
_platformSection(l, t),
const SizedBox(height: 16),
_section(
title: l.removeAdDeviceChange,
body: _isIOS
? l.removeAdDeviceChangeIOS
: _isAndroid
? l.removeAdDeviceChangeAndroid
: l.removeAdRestoreNote,
t: t,
),
const SizedBox(height: 16),
_section(
title: l.removeAdNotReflected,
body: l.removeAdNotReflectedText,
t: t,
),
const SizedBox(height: 24),
_purchaseActions(isAdsRemoved, product, l),
],
),
);
},
);
},
),
),
);
}
String _storeName() {
if (_isIOS) {
return 'App Store';
}
if (_isAndroid) {
return 'Google Play';
}
return 'Application Store';
}
//ストアから取得したローカライズ価格(例: ¥450, $2.99, €3.19)を埋め込む。
//未取得時はフォールバック表示。
String _priceSectionBody(String? priceText, AppLocalizations l) {
final priceLine = priceText != null
? '${l.removeAdPriceLabel}: ${priceText} ${l.removeAdPriceNote}'
: '${l.removeAdPriceLabel}: ${l.removeAdPriceFallback}';
return '$priceLine\n${l.removeAdBillingType} ${_storeName()}';
}
Widget _statusBanner(bool isAdsRemoved, String? priceText, AppLocalizations l, TextTheme t) {
if (isAdsRemoved) {
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.green.withValues(alpha: 0.12),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.green.withValues(alpha: 0.4)),
),
child: Row(
children: [
const Icon(Icons.check_circle, color: Colors.green),
const SizedBox(width: 12),
Expanded(
child: Text(l.removeAdAlreadyPurchased, style: t.bodyMedium),
),
],
),
);
}
return Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.primary.withValues(alpha: 0.08),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: Theme.of(context).colorScheme.primary.withValues(alpha: 0.3)),
),
child: Center(
child: Text(
priceText != null ? '${l.removeAdOneTime} $priceText' : '${l.removeAdOneTime}',
style: t.titleMedium,
)
)
);
}
Widget _section({
required String title,
required String body,
required TextTheme t,
}) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(title, style: t.titleMedium),
const SizedBox(height: 8),
Text(body, style: t.bodyMedium?.copyWith(height: 1.6)),
],
);
}
Widget _platformSection(AppLocalizations l, TextTheme t) {
if (_isIOS) {
return _section(
title: l.removeAdIOS,
body: l.removeAdIOSText,
t: t,
);
}
if (_isAndroid) {
return _section(
title: l.removeAdAndroid,
body: l.removeAdAndroidText,
t: t,
);
}
return _section(
title: l.removeAdPlatform,
body: l.removeAdPlatformNote,
t: t,
);
}
Widget _purchaseActions(bool isAdsRemoved, ProductDetails? product, AppLocalizations l) {
if (isAdsRemoved) {
return OutlinedButton.icon(
onPressed: _busy ? null : _onRestore,
icon: const Icon(Icons.restore),
label: Text(l.removeAdRestore),
);
}
final svc = PurchaseService.instance;
final price = product?.price;
final canBuy = svc.isAvailable && product != null && !_busy;
return Column(
children: [
SizedBox(
width: double.infinity,
child: ElevatedButton.icon(
onPressed: canBuy ? _onPurchase : null,
icon: _busy
? const SizedBox(
width: 18,
height: 18,
child: CircularProgressIndicator(strokeWidth: 2),
)
: const Icon(Icons.shopping_cart),
label: Text(price != null ? '${l.removeAdBuy} (${price})' : '${l.removeAdBuy}'),
style: ElevatedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 14),
),
),
),
const SizedBox(height: 12),
SizedBox(
width: double.infinity,
child: OutlinedButton.icon(
onPressed: _busy ? null : _onRestore,
icon: const Icon(Icons.restore),
label: Text(l.removeAdRestore),
style: OutlinedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 14),
),
),
),
if (!svc.isAvailable) ...[
const SizedBox(height: 12),
Text(l.removeAdStoreUnavailableNetwork,
style: Theme.of(context).textTheme.bodySmall,
textAlign: TextAlign.center,
),
] else if (product == null) ...[
const SizedBox(height: 12),
Text(l.removeAdLoadingProduct,
style: Theme.of(context).textTheme.bodySmall,
textAlign: TextAlign.center,
),
],
],
);
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:soundgenerator/theme_color.dart';
import 'package:soundgenerator/model.dart';
/// 設定画面専用のカスタムCardウィジェット
class SettingCard extends StatelessWidget {
final Widget child;
final ShapeBorder shape;
final EdgeInsetsGeometry margin;
const SettingCard({
super.key,
required this.child,
this.margin = const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
}) : shape = const RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(12)),
);
const SettingCard.top({
super.key,
required this.child,
this.margin = const EdgeInsets.only(left: 0, top: 12, right: 0, bottom: 0),
}) : shape = const RoundedRectangleBorder(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(12),
topRight: Radius.circular(12),
bottomLeft: Radius.circular(0),
bottomRight: Radius.circular(0),
),
);
const SettingCard.flat({
super.key,
required this.child,
this.margin = const EdgeInsets.only(left: 0, top: 2, right: 0, bottom: 0),
}) : shape = const RoundedRectangleBorder(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(0),
topRight: Radius.circular(0),
bottomLeft: Radius.circular(0),
bottomRight: Radius.circular(0),
),
);
const SettingCard.bottom({
super.key,
required this.child,
this.margin = const EdgeInsets.only(left: 0, top: 2, right: 0, bottom: 0),
}) : shape = const RoundedRectangleBorder(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(0),
topRight: Radius.circular(0),
bottomLeft: Radius.circular(12),
bottomRight: Radius.circular(12),
),
);
@override
Widget build(BuildContext context) {
final themeColor = ThemeColor(
themeNumber: Model.themeNumber,
context: context,
);
return SizedBox(
width: double.infinity,
child: Card(
elevation: 0,
margin: margin,
surfaceTintColor: Colors.transparent,
shadowColor: Colors.transparent,
color: themeColor.cardColor,
shape: shape,
child: child,
),
);
}
}/// Copyright© ao-system, Inc.
import "dart:async";
import "dart:io";
import "package:app_settings/app_settings.dart";
import "package:flutter/foundation.dart";
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:soundgenerator/setting_card.dart";
import "package:soundgenerator/l10n/app_localizations.dart";
import "package:soundgenerator/ad_banner_widget.dart";
import "package:soundgenerator/ad_ump_status.dart";
import 'package:soundgenerator/loading_screen.dart';
import 'package:soundgenerator/theme_color.dart';
import 'package:soundgenerator/model.dart';
import 'package:soundgenerator/_secrets.dart';
import "package:soundgenerator/main.dart";
import 'package:soundgenerator/att_service.dart';
import 'package:soundgenerator/purchase_service.dart';
import 'package:soundgenerator/remove_ads_page.dart';
class SettingPage extends StatefulWidget {
const SettingPage({super.key});
@override
State<SettingPage> createState() => _SettingPageState();
}
class _SettingPageState extends State<SettingPage> {
AdUmpState _adUmpState = AdUmpState.initial;
late final AdUmpService _adUmpService;
late ThemeColor _themeColor;
final _inAppReview = InAppReview.instance;
bool _wakelockEnabled = true;
int _themeNumber = 0;
String _languageCode = '';
bool _isReady = false;
int _schemeColor = 0;
Color _accentColor = Colors.red;
@override
void initState() {
super.initState();
_initState();
}
void _initState() async {
//ump
_adUmpService = AdUmpService();
await _refreshConsentInfo();
//model
_wakelockEnabled = Model.wakelockEnabled;
_schemeColor = Model.schemeColor;
_accentColor = _getRainbowAccentColor(_schemeColor);
_themeNumber = Model.themeNumber;
_languageCode = Model.languageCode;
setState(() {
_isReady = true;
});
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
_themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
}
Future<void> _refreshConsentInfo() async {
final AdUmpState newState = await _adUmpService.updateConsentInfo(_adUmpState);
if (mounted) {
setState(() { _adUmpState = newState; });
}
}
Color _getRainbowAccentColor(int hue) {
return HSVColor.fromAHSV(1.0, hue.toDouble(), 1.0, 1.0).toColor();
}
void _onApply() async {
await Model.setWakelockEnabled(_wakelockEnabled);
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) {
return LoadingScreen();
}
final l = AppLocalizations.of(context)!;
final TextTheme t = Theme.of(context).textTheme;
return Scaffold(
backgroundColor: _themeColor.mainBackColor,
appBar: AppBar(
backgroundColor: Colors.transparent,
leading: IconButton(
icon: const Icon(Icons.close),
onPressed: () => Navigator.of(context).pop(false)
),
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(),
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.only(left: 16, right: 16, top: 0, bottom: 100),
child: Column(children: [
_buildBackgroundColor(l, t),
_buildWakelockEnabled(l, t),
_buildTheme(l, t),
_buildLanguage(l, t),
_buildRemoveAds(l, t),
_buildReview(l, t),
_buildCmp(l, t),
_buildAtt(l, t),
]),
),
),
),
),
])
),
bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
);
}
Widget _buildBackgroundColor(AppLocalizations l, TextTheme t) {
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Text(l.colorScheme, style: t.bodyMedium),
subtitle: Row(
children: [
Text(_schemeColor.toStringAsFixed(0)),
const SizedBox(width: 12),
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: (value) {
setState(() {
_schemeColor = value.toInt();
_accentColor = _getRainbowAccentColor(_schemeColor);
});
},
),
),
),
],
),
),
);
}
Widget _buildWakelockEnabled(AppLocalizations l, TextTheme t) {
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Text(l.wakelockEnabled, style: t.bodyMedium),
trailing: Switch(
value: _wakelockEnabled,
onChanged: (value) => setState(() => _wakelockEnabled = value),
),
),
);
}
Widget _buildTheme(AppLocalizations l, TextTheme t) {
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Text(l.theme, style: t.bodyMedium),
trailing: 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, TextTheme t) {
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',
};
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Text(l.language, style: t.bodyMedium),
trailing: 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 _buildRemoveAds(AppLocalizations l, TextTheme t) {
return ValueListenableBuilder<bool>(
valueListenable: PurchaseService.instance.isAdsRemovedNotifier,
builder: (context, isAdsRemoved, _) {
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Text(l.removeAdTitle, style: t.bodyMedium),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const SizedBox(height: 8),
if (isAdsRemoved)
Chip(
avatar: const Icon(Icons.check_circle, size: 18),
label: Text(l.removeAdPurchased),
),
if (isAdsRemoved) const SizedBox(height: 8),
OutlinedButton.icon(
icon: const Icon(Icons.info_outline, size: 16),
label: Text(l.removeAdHowTo, style: t.bodySmall),
onPressed: () {
Navigator.of(context).push(
MaterialPageRoute(
builder: (_) => const RemoveAdsPage(),
),
);
},
),
],
),
),
);
},
);
}
Widget _buildReview(AppLocalizations l, TextTheme t) {
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Text(l.reviewApp, style: t.bodyMedium),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const SizedBox(height: 8),
OutlinedButton.icon(
icon: const Icon(Icons.open_in_new, size: 16),
label: Text(l.reviewStore, style: t.bodySmall),
onPressed: () async {
await _inAppReview.openStoreListing(
appStoreId: Secrets.appStoreId,
);
},
),
],
),
),
);
}
Widget _buildCmp(AppLocalizations l, TextTheme t) {
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 SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Text(l.cmpSettingsTitle, style: t.bodyMedium),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
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 (_adUmpState.consentStatus == ConsentStatus.obtained) ...[
const SizedBox(height: 6),
Text(l.cmpConsentStatusObtainedNote, style: t.bodySmall),
],
if (showButton) ...[
const SizedBox(height: 8),
ElevatedButton.icon(
onPressed: _adUmpState.isChecking
? null
: () async {
try {
await _adUmpService.showPrivacyOptions();
} catch (e) {
//debugPrint('Privacy options error ignored: $e');
}
await _refreshConsentInfo();
},
icon: const Icon(Icons.settings),
label: Text(
_adUmpState.isChecking
? l.cmpConsentStatusChecking
: l.cmpOpenConsentSettings,
),
),
const SizedBox(height: 8),
OutlinedButton.icon(
onPressed: _adUmpState.isChecking ? null : _refreshConsentInfo,
icon: const Icon(Icons.refresh),
label: Text(l.cmpRefreshStatus),
),
const SizedBox(height: 8),
OutlinedButton.icon(
onPressed: () async {
final messenger = ScaffoldMessenger.of(context);
final message = l.cmpResetStatusDone;
await ConsentInformation.instance.reset();
if (!mounted) {
return;
}
setState(() {
_adUmpState = _adUmpState.copyWith(
consentStatus: ConsentStatus.unknown,
);
});
messenger.showSnackBar(SnackBar(content: Text(message)));
},
icon: const Icon(Icons.delete_sweep_outlined),
label: Text(l.cmpResetStatus),
),
],
],
),
),
],
),
),
);
}
Widget _buildAtt(AppLocalizations l, TextTheme t) {
if (kIsWeb || !Platform.isIOS) {
return const SizedBox.shrink();
}
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Text(l.attSettingsTitle, style: t.bodyMedium),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SizedBox(height: 8),
Text(l.attDescription, style: t.bodySmall),
const SizedBox(height: 8),
FutureBuilder<AttStatus>(
future: AttService().getTrackingStatus(),
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return Center(
child: Column(
children: [
Chip(
avatar: const Icon(Icons.hourglass_empty),
label: Text(l.attStatusChecking),
),
const SizedBox(height: 8),
OutlinedButton.icon(
onPressed: null,
icon: const Icon(Icons.open_in_new),
label: Text(l.attOpenSettings),
),
],
),
);
}
final status = snapshot.data ?? AttStatus.unknown;
final label = status.name;
return Center(
child: Column(
children: [
Chip(
avatar: const Icon(Icons.track_changes),
label: Text('${l.attStatusLabel} $label'),
),
const SizedBox(height: 8),
OutlinedButton.icon(
onPressed: () => AppSettings.openAppSettings(),
icon: const Icon(Icons.open_in_new, size: 16),
label: Text(l.attOpenSettings, style: t.bodySmall),
),
],
),
);
},
),
],
),
),
);
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.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 page
Color get mainBackColor => _isLight ? Color.fromRGBO(210,210,210, 1.0) : Color.fromRGBO(40,40,40, 1.0);
Color get mainBack2Color => _isLight ? Color.fromRGBO(240,240,240, 1.0) : Color.fromRGBO(0, 0, 0, 1.0);
Color get mainCardColor => _isLight ? Color.fromRGBO(255, 255, 255, 1.0) : Color.fromRGBO(51, 51, 51, 1.0);
Color get mainForeColor => _isLight ? Color.fromRGBO(34, 34, 34, 1.0) : Color.fromRGBO(200, 200, 200, 1.0);
Color get mainDropdownColor => mainCardColor;
Color get mainButtonForeColor => _isLight ? Color.fromRGBO(255, 255, 255, 1.0) : Color.fromRGBO(34, 34, 34, 1.0);
//setting page
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 borderColor => _isLight ? Colors.grey[300]! : Colors.grey[700]!;
Color get inputFillColor => _isLight ? Colors.grey[50]! : Colors.grey[900]!;
}
/// Copyright© ao-system, Inc.
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;
}
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
class WaveformPainter extends CustomPainter {
final List<double> left;
final List<double> right;
WaveformPainter({required this.left, required this.right});
@override
void paint(Canvas canvas, Size size) {
if (left.isEmpty || right.isEmpty) {
return;
}
final double h = size.height / 2;
final double w = size.width / left.length;
// 左チャンネルのペイント設定(水色)
final paintL = Paint()
..color = Colors.cyanAccent.withValues(alpha: 0.6)
..style = PaintingStyle.stroke
..strokeWidth = 2;
// 右チャンネルのペイント設定(赤色)
final paintR = Paint()
..color = Colors.redAccent.withValues(alpha: 0.6)
..style = PaintingStyle.stroke
..strokeWidth = 2;
_drawPath(canvas, left, paintL, w, h);
_drawPath(canvas, right, paintR, w, h);
}
void _drawPath(Canvas canvas, List<double> samples, Paint paint, double w, double h) {
Path path = Path();
if (samples.isEmpty) {
return;
}
path.moveTo(0, h - samples[0] * h);
for (int i = 1; i < samples.length; i++) {
path.lineTo(i * w, h - samples[i] * h);
}
canvas.drawPath(path, paint);
}
@override
bool shouldRepaint(covariant WaveformPainter oldDelegate) {
// データが更新されたら再描画する
return oldDelegate.left != left || oldDelegate.right != right;
}
}
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