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: qranalyzer
description: "qranalyzer"
publish_to: 'none'
version: 1.2.3+10
environment:
sdk: ^3.11.5
dependencies: # flutter pub upgrade --major-versions
flutter:
sdk: flutter
cupertino_icons: ^1.0.8
flutter_localizations: #flutter gen-l10n
sdk: flutter
intl: ^0.20.2
shared_preferences: ^2.3.2
google_mobile_ads: ^8.0.0
camera: ^0.12.0
image: ^4.1.3
zxing_lib: ^1.1.4
image_picker: ^1.1.2
wakelock_plus: ^1.4.0
in_app_review: ^2.0.11
app_settings: ^7.0.0
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_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: '#10005f'
image: 'assets/image/splash.png'
color_dark: '#10005f'
image_dark: 'assets/image/splash.png'
fullscreen: true
android_12:
icon_background_color: '#10005f'
image: 'assets/image/splash.png'
icon_background_color_dark: '#10005f'
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:qranalyzer/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();
}
},
),
);
}
}
/// 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:qranalyzer/_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:qranalyzer/l10n/app_localizations.dart';
import 'package:qranalyzer/_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 'package:flutter/material.dart';
import 'package:camera/camera.dart';
class CameraPage extends StatefulWidget {
const CameraPage({super.key});
@override
State<CameraPage> createState() => _CameraPageState();
}
class _CameraPageState extends State<CameraPage> {
CameraController? _controller;
bool _isReady = false;
double _currentZoom = 1.0;
double _baseZoom = 1.0;
double _maxZoom = 1.0;
double _minZoom = 1.0;
@override
void initState() {
super.initState();
_initCamera();
}
@override
void dispose() {
_controller?.dispose();
super.dispose();
}
Future<void> _initCamera() async {
try {
final cameras = await availableCameras();
final camera = cameras.first;
final controller = CameraController(
camera,
ResolutionPreset.medium,
enableAudio: false,
);
await controller.initialize();
_maxZoom = await controller.getMaxZoomLevel();
_minZoom = await controller.getMinZoomLevel();
setState(() {
_controller = controller;
_isReady = true;
});
} catch (e) {
debugPrint("カメラ初期化エラー: $e");
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: const Text('Camera')),
body: _isReady
? GestureDetector(
onScaleStart: (details) {
_baseZoom = _currentZoom;
},
onScaleUpdate: (details) async {
if (_controller == null) return;
final newZoom = (_baseZoom * details.scale)
.clamp(_minZoom, _maxZoom);
await _controller!.setZoomLevel(newZoom);
setState(() {
_currentZoom = newZoom;
});
},
child: CameraPreview(_controller!),
)
: const Center(child: CircularProgressIndicator()),
floatingActionButton: _isReady
? FloatingActionButton(
onPressed: _takePhoto,
child: const Icon(Icons.camera_alt),
)
: null,
floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
);
}
Future<void> _takePhoto() async {
if (_controller == null || !_controller!.value.isInitialized) {
return;
}
try {
final XFile file = await _controller!.takePicture();
Navigator.pop(context, file);
} catch (e) {
debugPrint('撮影エラー: $e');
}
}
}
/// Copyright© ao-system, Inc.
import 'dart:async';
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:camera/camera.dart';
import 'package:image/image.dart' as img;
import 'package:wakelock_plus/wakelock_plus.dart';
import 'package:qranalyzer/instruction_panel.dart';
import 'package:qranalyzer/qr_info.dart';
import 'package:qranalyzer/qr_matrix_painter.dart';
import 'package:qranalyzer/qr_original_painter.dart';
import 'package:qranalyzer/setting_page.dart';
import 'package:qranalyzer/theme_color.dart';
import 'package:qranalyzer/loading_screen.dart';
import 'package:qranalyzer/model.dart';
import 'package:qranalyzer/main.dart';
import 'package:qranalyzer/ad_banner_widget.dart';
import 'package:qranalyzer/qr_region.dart';
import 'package:qranalyzer/legend_panel.dart';
import 'package:qranalyzer/qr_unmasked_painter.dart';
import 'package:qranalyzer/qr_mask_painter.dart';
import 'package:qranalyzer/camera_page.dart';
import 'package:qranalyzer/info_panel.dart';
import 'package:qranalyzer/image_select_page.dart';
import 'package:qranalyzer/qr_processor.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 QrProcessor _processor = QrProcessor();
bool _isProcessing = false;
List<List<bool>>? _matrix;
String? _error;
QrInfo? _info;
List<List<QrRegion>>? _regionMap;
List<List<bool>>? _unmasked;
int? _maskPattern;
int _currentBitIndex = 0;
List<Point<int>> _bitOrder = [];
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
_initState();
}
void _initState() async {
_themeColor = ThemeColor(themeNumber: Model.themeNumber, context: context);
_wakelock();
if (mounted) {
setState(() {
_isReady = true;
});
}
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
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:
_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();
}
}
Future<void> _captureAndAnalyze(XFile photo) async {
//解析開始前にすべての結果をクリアする
setState(() {
_isProcessing = true;
_matrix = null; // QR行列をクリア
_info = null; // 解析情報をクリア
_regionMap = null; // 領域マップをクリア
_unmasked = null; // マスク解除ビットをクリア
_maskPattern = null; // マスクパターンをクリア
_error = null; // エラーメッセージをクリア
});
try {
final bytes = await photo.readAsBytes();
img.Image? image = img.decodeImage(bytes);
if (image == null) {
throw Exception("Decode failed");
}
if (image.width > 1000) {
image = img.copyResize(image, width: 1000, interpolation: img.Interpolation.nearest);
}
// 1. ビット抽出
final (matrix, info) = await _processor.extractRawPattern(image);
// 2. 領域分類
final regionMap = _processor.classifyModules(info.version, info.dataCodewords, info.eccCodewords);
// 3. マスク解除
final unmasked = _processor.unmaskMatrix(matrix, regionMap, info.maskPattern);
if (!mounted) {
return;
}
// 4. 解析完了後に新しい結果をセットする
setState(() {
_matrix = matrix;
_info = info;
_regionMap = regionMap;
_unmasked = unmasked;
_maskPattern = info.maskPattern;
_bitOrder = _processor.getBitOrder(info.version, regionMap);
});
} catch (e) {
if (!mounted) {
return;
}
setState(() {
final String errorStr = e.toString();
//メッセージをカスタマイズ
if (errorStr.contains('NotFoundException')) {
_error = 'No QR code found.';
} else if (errorStr.contains('Format not found')) {
_error = 'QR code detected, but data reading failed.';
} else {
_error = 'Analysis failed.';
}
});
} finally {
if (mounted) {
setState(() => _isProcessing = false);
}
}
}
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 == false) {
return const LoadingScreen();
}
return Scaffold(
backgroundColor: _themeColor.mainBackColor,
body: Stack(children:[
_buildBackground(),
SafeArea(
child: Column(
children: [
_buildAppBar(),
_buildButton(),
const SizedBox(height: 16),
Expanded(
child: SingleChildScrollView(
padding: const EdgeInsets.all(8),
child: Column(
children: [
_buildMatrixWidget(),
_buildQrUnmaskedPainterAndSeekBar(),
InfoPanel(info: _info),
InstructionPanel(),
]
)
)
)
]
)
)
]),
bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager)
);
}
Widget _buildBackground() {
return 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,
),
),
);
}
Widget _buildAppBar() {
final t = Theme.of(context).textTheme;
return SizedBox(
height: 52,
child: Row(
children: [
const SizedBox(width: 16),
Text('QR Analyzer', style: t.titleSmall?.copyWith(color: _themeColor.mainForeColor)),
const Spacer(),
IconButton(
onPressed: _openSetting,
icon: Icon(Icons.settings,color: _themeColor.mainForeColor.withValues(alpha: 0.6)),
),
],
)
);
}
Widget _buildButton() {
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Row(
children: [
Expanded(
child: ElevatedButton(
style: ElevatedButton.styleFrom(
elevation: 0,
side: const BorderSide(color: Colors.grey, width: 1),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
padding: const EdgeInsets.symmetric(vertical: 6),
),
onPressed: _isProcessing ? null : () async {
final XFile? photo = await Navigator.push(
context,
MaterialPageRoute(builder: (_) => const CameraPage()),
);
if (photo != null) _captureAndAnalyze(photo);
},
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.camera_alt),
const SizedBox(width: 8),
Text(_isProcessing ? 'Analyzing...' : 'Capture\nQR code'),
],
),
),
),
const SizedBox(width: 6),
Expanded(
child: ElevatedButton(
style: ElevatedButton.styleFrom(
elevation: 0,
side: const BorderSide(color: Colors.grey, width: 1),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8),
),
padding: const EdgeInsets.symmetric(vertical: 6),
),
onPressed: _isProcessing ? null : () async {
final XFile? photo = await Navigator.push(
context,
MaterialPageRoute(builder: (_) => const ImageSelectPage()),
);
if (photo != null) _captureAndAnalyze(photo);
},
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.image_search),
const SizedBox(width: 8),
Text(_isProcessing ? 'Analyzing...' : 'Choose\nimage'),
],
),
),
),
],
),
);
}
Widget _buildMatrixWidget() {
return Column(children: [
if (_matrix != null) ...[
_buildQrOriginalPainter(),
const LegendPanel(),
_buildQrMatrixPainter(), // QR本体
_buildQrMaskPainter(), //マスクパターン
]
else if (_error != null)
Container(
margin: const EdgeInsets.only(left: 12, right: 12),
child: Text(_error!),
)
else
const SizedBox.shrink()
]);
}
Widget _buildQrOriginalPainter() {
if (_matrix == null || _regionMap == null) {
return const SizedBox.shrink();
}
return Padding(
padding: const EdgeInsets.only(left: 12, right: 12, top: 8),
child: AspectRatio(
aspectRatio: 1,
child: LayoutBuilder(
builder: (context, constraints) {
final size = constraints.biggest; // 最大サイズを取得
return CustomPaint(
size: size,
painter: QrOriginalPainter(
_matrix!,
_regionMap!,
),
);
},
),
),
);
}
Widget _buildQrMatrixPainter() {
if (_matrix == null || _regionMap == null) {
return const SizedBox.shrink();
}
return Padding(
padding: const EdgeInsets.only(left: 12, right: 12, top: 8),
child: AspectRatio(
aspectRatio: 1,
child: LayoutBuilder(
builder: (context, constraints) {
final size = constraints.biggest; // 最大サイズを取得
return CustomPaint(
size: size,
painter: QrMatrixPainter(
_matrix!,
_regionMap!,
),
);
},
),
),
);
}
Widget _buildQrMaskPainter() {
return Padding(
padding: const EdgeInsets.only(left: 12, right: 12, top: 8),
child: AspectRatio(
aspectRatio: 1,
child: LayoutBuilder(
builder: (context, constraints) {
final size = constraints.biggest;
return CustomPaint(
size: size,
painter: QrMaskPainter(
_maskPattern!,
_matrix!.length,
),
);
},
),
),
);
}
Widget _buildQrUnmaskedPainterAndSeekBar() {
if (_unmasked == null) {
return const SizedBox.shrink();
}
return Column(children:[
_buildQrUnmaskedPainter(),
_buildSeekBar()
]);
}
Widget _buildQrUnmaskedPainter() {
if (_unmasked == null || _regionMap == null || _bitOrder.isEmpty || _info == null) {
return const SizedBox.shrink();
}
// データ領域のビット総数を計算
final int dataBitLimit = _info!.dataCodewords * 8;
return Padding(
padding: const EdgeInsets.only(left: 12, right: 12, top: 8),
child: AspectRatio(
aspectRatio: 1,
child: LayoutBuilder(
builder: (context, constraints) {
final size = constraints.biggest;
return CustomPaint(
size: size,
painter: QrUnmaskedPainter(
_unmasked!,
_regionMap!,
_bitOrder,
_currentBitIndex,
dataBitLimit,
),
);
},
),
),
);
}
Widget _buildSeekBar() {
if (_bitOrder.isEmpty || _info == null || _unmasked == null) {
return const SizedBox.shrink();
}
final int dataBitLimit = _info!.dataCodewords * 8;
final bool isDataRegion = _currentBitIndex < dataBitLimit;
final currentPoint = _bitOrder[_currentBitIndex];
final Color regionColor = isDataRegion ? Colors.blue : Colors.red;
// 現在のビット値を取得 (true -> 1, false -> 0)
final bool isDark = _unmasked![currentPoint.y][currentPoint.x];
final String bitValue = isDark ? "1" : "0";
return Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
child: Column(
children: [
// 情報表示行
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
// 座標とビット値
Row(
children: [
const Icon(Icons.location_on, size: 14, color: Colors.grey),
const SizedBox(width: 2),
Text(
"(${currentPoint.x},${currentPoint.y})",
style: const TextStyle(fontFamily: 'monospace'),
),
const SizedBox(width: 8),
// ビット値表示バッジ
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
decoration: BoxDecoration(
color: isDark ? Colors.white.withValues(alpha: 0.5) : Colors.black.withValues(alpha: 0.5),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.grey.withValues(alpha: 0.5)),
),
child: Text(
"Bit:$bitValue",
style: TextStyle(
color: isDark ? Colors.black : Colors.white,
fontFamily: 'monospace',
fontWeight: FontWeight.bold,
fontSize: 10,
),
),
),
],
),
// 領域ラベル
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
decoration: BoxDecoration(
color: regionColor.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: regionColor.withValues(alpha: 0.5)),
),
child: Text(
isDataRegion ? "DATA" : "ECC",
style: TextStyle(color: regionColor, fontWeight: FontWeight.bold, fontSize: 10),
),
),
// インデックス
Text(
"Index:$_currentBitIndex",
style: const TextStyle(fontSize: 12, fontFamily: 'monospace'),
),
],
),
// シークバー
SliderTheme(
data: SliderTheme.of(context).copyWith(
trackHeight: 4,
),
child: Slider(
value: _currentBitIndex.toDouble(),
min: 0,
max: (_bitOrder.length - 1).toDouble(),
onChanged: (v) => setState(() => _currentBitIndex = v.toInt()),
),
),
],
),
);
}
}
/// Copyright© ao-system, Inc.
import 'dart:async';
import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:image/image.dart' as img;
class ImageSelectPage extends StatefulWidget {
const ImageSelectPage({super.key});
@override
State<ImageSelectPage> createState() => _ImageSelectPageState();
}
class _ImageSelectPageState extends State<ImageSelectPage> {
XFile? _selectedImage;
bool _isProcessing = false;
int? _imgWidth;
int? _imgHeight;
Future<void> _pickImage() async {
if (kIsWeb) return;
final picker = ImagePicker();
final XFile? image = await picker.pickImage(source: ImageSource.gallery);
if (image == null) return;
// Read image size
final bytes = await image.readAsBytes();
final decoded = img.decodeImage(bytes);
if (decoded != null) {
_imgWidth = decoded.width;
_imgHeight = decoded.height;
}
setState(() {
_selectedImage = image;
});
}
Future<void> _returnImage() async {
if (_selectedImage == null) return;
setState(() => _isProcessing = true);
try {
Navigator.pop(context, _selectedImage);
} finally {
setState(() => _isProcessing = false);
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text("Select Image"),
centerTitle: true,
),
body: SafeArea(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
children: [
Row(
children: [
Expanded(
child: FilledButton.icon(
onPressed: _isProcessing ? null : _pickImage,
icon: const Icon(Icons.photo_library_outlined),
label: const Text("Choose Image"),
),
),
const SizedBox(width: 8),
Expanded(
child: FilledButton.icon(
onPressed: _selectedImage == null || _isProcessing
? null
: _returnImage,
icon: const Icon(Icons.check),
label: const Text("Confirm"),
),
),
],
),
const SizedBox(height: 16),
if (_isProcessing) const LinearProgressIndicator(),
const SizedBox(height: 16),
Expanded(
child: _selectedImage == null
? const Center(child: Text("No image selected"))
: Column(
children: [
Expanded(
child: ClipRRect(
borderRadius: BorderRadius.circular(12),
child: Image.file(
File(_selectedImage!.path),
fit: BoxFit.contain,
),
),
),
if (_imgWidth != null && _imgHeight != null)
Padding(
padding: const EdgeInsets.only(top: 8),
child: Text(
"Image size: ${_imgWidth} × ${_imgHeight}",
style: const TextStyle(fontSize: 14),
),
),
],
),
),
],
),
),
),
);
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:qranalyzer/qr_info.dart';
import 'package:qranalyzer/l10n/app_localizations.dart';
class InfoPanel extends StatelessWidget {
final QrInfo? info;
const InfoPanel({super.key, required this.info});
@override
Widget build(BuildContext context) {
if (info == null) {
return const SizedBox.shrink();
}
final l = AppLocalizations.of(context)!;
return Column(children:[
Card(
elevation: 0,
margin: const EdgeInsets.only(left: 12, right: 12, top: 12),
child: Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(horizontal: 12,vertical: 8),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Decoded Result: ${info!.decodedText ?? ''}"),
Text("Version: ${info!.version}"),
Text("Error Correction Level: ${info!.ecLevel}"),
Text("Mask Pattern: ${info!.maskPattern}"),
Text("Size: ${info!.size} × ${info!.size}"),
Text("Data Codewords: ${info!.dataCodewords}"),
Text("ECC Codewords: ${info!.eccCodewords}"),
],
)
)
),
Card(
margin: const EdgeInsets.only(left: 12, right: 12, top: 12),
elevation: 0,
child: Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(horizontal: 12,vertical: 8),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(l.infoImageFirst),
const SizedBox(height: 12),
Text(l.infoImageSecond),
const SizedBox(height: 12),
Text(l.infoImageThird),
const SizedBox(height: 12),
Text(l.infoImageFourth),
],
)
)
),
]);
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:qranalyzer/l10n/app_localizations.dart';
class InstructionPanel extends StatelessWidget {
const InstructionPanel({super.key});
@override
Widget build(BuildContext context) {
final l = AppLocalizations.of(context)!;
return Column(children:[
_buildCard("Version:\n${l.infoVersion}"),
_buildCard("Error Correction Level:\n${l.infoECL}"),
_buildCard("Finder Pattern:\n${l.infoFinderPattern}"),
_buildCard("Alignment Pattern:\n${l.infoAlignmentPattern}"),
_buildCard("Timing Pattern:\n${l.infoTimingPattern}"),
_buildCard("Format Info:\n${l.infoFormatInfo}"),
_buildCard("Version Info:\n${l.infoVersionInfo}"),
_buildCard("Data:\n${l.infoData}"),
_buildCard("ECC: Error Correction Code\n${l.infoECC}"),
_buildCard("Unused:\n${l.infoUnused}"),
_buildCard("Dark Module:\n${l.infoDarkModule}"),
const SizedBox(height: 100),
]);
}
Widget _buildCard(String text) {
return Card(
margin: const EdgeInsets.only(left: 12, right: 12, top: 12),
elevation: 0,
child: Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(horizontal: 12,vertical: 8),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(text),
],
)
)
);
}
}
/// Copyright© ao-system, Inc.
bool isMasked(int maskPattern, int x, int y) {
switch (maskPattern) {
case 0:
return (y + x) % 2 == 0;
case 1:
return y % 2 == 0;
case 2:
return x % 3 == 0;
case 3:
return (y + x) % 3 == 0;
case 4:
return ((y ~/ 2) + (x ~/ 3)) % 2 == 0;
case 5:
return ((y * x) % 2 + (y * x) % 3) == 0;
case 6:
return (((y * x) % 2) + ((y * x) % 3)) % 2 == 0;
case 7:
return (((y + x) % 2) + ((y * x) % 3)) % 2 == 0;
default:
return false;
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
class LegendItem extends StatelessWidget {
final Color color;
final String label;
const LegendItem({super.key, required this.color, required this.label});
@override
Widget build(BuildContext context) {
return Row(
children: [
Container(
width: 16,
height: 16,
color: color,
),
const SizedBox(width: 8),
Text(label),
],
);
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:qranalyzer/legend_item.dart';
class LegendPanel extends StatelessWidget {
const LegendPanel({super.key});
@override
Widget build(BuildContext context) {
return Card(
elevation: 0,
margin: const EdgeInsets.only(left: 12, right: 12, top: 8),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12,vertical: 4),
child: GridView.count(
shrinkWrap: true,
physics: NeverScrollableScrollPhysics(),
crossAxisCount: 2,
mainAxisSpacing: 1,
crossAxisSpacing: 0,
childAspectRatio: 6,
children: const [
LegendItem(color: Colors.green, label: "Finder Pattern"),
LegendItem(color: Colors.cyan, label: "Alignment Pattern"),
LegendItem(color: Colors.yellow, label: "Timing Pattern"),
LegendItem(color: Colors.purple, label: "Format Info"),
LegendItem(color: Colors.orange, label: "Version Info"),
LegendItem(color: Colors.blue, label: "Data"),
LegendItem(color: Colors.red, label: "ECC"),
LegendItem(color: Colors.white, label: "Unused"),
LegendItem(color: Colors.black, label: "Dark Module"),
],
),
),
);
}
}
/// Copyright© ao-system, Inc.
import 'dart:math';
import 'package:flutter/material.dart';
class LoadingScreen extends StatefulWidget {
const LoadingScreen({super.key});
@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,
),
),
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:qranalyzer/home_page.dart";
import 'package:qranalyzer/l10n/app_localizations.dart';
import 'package:qranalyzer/loading_screen.dart';
import 'package:qranalyzer/model.dart';
import 'package:qranalyzer/parse_locale_tag.dart';
import 'package:qranalyzer/theme_mode_number.dart';
import 'package:qranalyzer/ad_ump_status.dart';
import 'package:qranalyzer/att_service.dart';
import 'package:qranalyzer/ad_manager.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> {
late final AdManager adManager;
ThemeMode _themeMode = ThemeMode.system;
Locale? _locale;
bool _hasError = false;
bool _isReady = false;
@override
void initState() {
super.initState();
_initState();
}
void _initState() async {
try {
//ad
adManager = AdManager();
//アプリの基本データ
await Model.ensureReady();
//ATT
//iOSは「アプリがactive/resumed状態」でないとrequestTrackingがダイアログを出さず即座にnotDeterminedを返すため、ライフサイクルがresumedになるまで待つ。
//(iOSは「設定→トラッキング」でトグルを変えるとアプリプロセスをkillして再起動するので、起動時にgetTrackingStatusを読めば常に最新の値が手に入る)
if (!kIsWeb && Platform.isIOS) {
if (await _waitForResumed()) {
final attService = AttService();
//未決定(初回起動)のときだけダイアログ表示。既に決定済みならスキップ。
if (await attService.getTrackingStatus() == AttStatus.notDetermined) {
await attService.requestTracking();
}
}
}
//UMP(ATTの後)
final adUmpConsentController = AdUmpConsentController();
await adUmpConsentController.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;
});
}
}
}
@override
void dispose() {
adManager.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: 5),
}) 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() : 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,
),
),
),
),
);
}
}
/// Copyright© ao-system, Inc.
import 'dart:ui' as ui;
import 'package:shared_preferences/shared_preferences.dart';
import 'package:qranalyzer/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 = 260;
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.
class QrInfo {
final int version;
final String ecLevel;
final int maskPattern;
final int size;
final int dataCodewords;
final int eccCodewords;
final String? decodedText;
QrInfo({
required this.version,
required this.ecLevel,
required this.maskPattern,
required this.size,
required this.dataCodewords,
required this.eccCodewords,
required this.decodedText,
});
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:qranalyzer/is_masked.dart';
class QrMaskPainter extends CustomPainter {
final int maskPattern;
final int size;
QrMaskPainter(this.maskPattern, this.size);
@override
void paint(Canvas canvas, Size s) {
final cell = s.width / size;
final paintMask = Paint()..color = Colors.grey.withValues(alpha: 0.5);
for (int y = 0; y < size; y++) {
for (int x = 0; x < size; x++) {
if (isMasked(maskPattern, x, y)) {
final rect = Rect.fromLTWH(x * cell, y * cell, cell, cell);
canvas.drawRect(rect, paintMask);
}
}
}
}
@override
bool shouldRepaint(_) => true;
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:qranalyzer/qr_region.dart';
class QrMatrixPainter extends CustomPainter {
final List<List<bool>> matrix;
final List<List<QrRegion>> regionMap;
QrMatrixPainter(this.matrix, this.regionMap);
@override
void paint(Canvas canvas, Size size) {
final paintData = Paint()..color = Colors.blue;
final paintECC = Paint()..color = Colors.red;
final paintOther = Paint()..color = Colors.white;
final paintDark = Paint()..color = Colors.black;
final paintFinder = Paint()..color = Colors.green;
final paintTiming = Paint()..color = Colors.yellow;
final paintFormat = Paint()..color = Colors.purple;
final paintVersion = Paint()..color = Colors.orange;
final paintAlignment = Paint()..color = Colors.cyan;
final n = matrix.length;
final cell = size.width / n;
for (int y = 0; y < n; y++) {
for (int x = 0; x < n; x++) {
final rect = Rect.fromLTWH(x * cell, y * cell, cell, cell);
Paint bg;
switch (regionMap[y][x]) {
case QrRegion.data:
bg = paintData;
break;
case QrRegion.ecc:
bg = paintECC;
break;
case QrRegion.finder:
bg = paintFinder;
break;
case QrRegion.timing:
bg = paintTiming;
break;
case QrRegion.format:
bg = paintFormat;
break;
case QrRegion.version:
bg = paintVersion;
break;
case QrRegion.alignment:
bg = paintAlignment;
break;
default:
bg = paintOther;
}
canvas.drawRect(rect, matrix[y][x] ? paintDark : bg);
}
}
}
@override
bool shouldRepaint(_) => true;
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:qranalyzer/qr_region.dart';
class QrOriginalPainter extends CustomPainter {
final List<List<bool>> matrix;
final List<List<QrRegion>> regionMap;
QrOriginalPainter(this.matrix, this.regionMap);
@override
void paint(Canvas canvas, Size size) {
final paintWhite = Paint()..color = Colors.white;
final paintBlack = Paint()..color = Colors.black;
final n = matrix.length;
final cell = size.width / n;
for (int y = 0; y < n; y++) {
for (int x = 0; x < n; x++) {
final rect = Rect.fromLTWH(x * cell, y * cell, cell, cell);
Paint bg = paintBlack;
switch (regionMap[y][x]) {
case QrRegion.data:
case QrRegion.ecc:
case QrRegion.finder:
case QrRegion.timing:
case QrRegion.format:
case QrRegion.version:
case QrRegion.alignment:
case QrRegion.unused:
bg = paintWhite;
}
canvas.drawRect(rect, matrix[y][x] ? paintBlack : bg);
}
}
}
@override
bool shouldRepaint(_) => true;
}
/// Copyright© ao-system, Inc.
import 'dart:math';
import 'dart:typed_data';
import 'package:image/image.dart' as img;
import 'package:zxing_lib/zxing.dart';
import 'package:zxing_lib/qrcode.dart';
import 'package:zxing_lib/common.dart';
import 'package:qranalyzer/qr_info.dart';
import 'package:qranalyzer/qr_region.dart';
import 'package:qranalyzer/qr_spec.dart';
import 'package:qranalyzer/is_masked.dart';
class QrProcessor {
static const Map<int, List<int>> _alignmentTable = {
2: [6, 18],
3: [6, 22],
4: [6, 26],
5: [6, 30],
6: [6, 34],
7: [6, 22, 38],
8: [6, 24, 42],
9: [6, 26, 46],
10: [6, 28, 50],
11: [6, 30, 54],
12: [6, 32, 58],
13: [6, 34, 62],
14: [6, 26, 46, 66],
15: [6, 26, 48, 70],
16: [6, 26, 50, 74],
17: [6, 30, 54, 78],
18: [6, 30, 56, 82],
19: [6, 30, 58, 86],
20: [6, 34, 62, 90],
21: [6, 28, 50, 72, 94],
22: [6, 26, 50, 74, 98],
23: [6, 30, 54, 78, 102],
24: [6, 28, 54, 80, 106],
25: [6, 32, 58, 84, 110],
26: [6, 30, 58, 86, 114],
27: [6, 34, 62, 90, 118],
28: [6, 26, 50, 74, 98, 122],
29: [6, 30, 54, 78, 102, 126],
30: [6, 26, 52, 78, 104, 130],
31: [6, 30, 56, 82, 108, 134],
32: [6, 34, 60, 86, 112, 138],
33: [6, 30, 58, 86, 114, 142],
34: [6, 34, 62, 90, 118, 146],
35: [6, 30, 54, 78, 102, 126, 150],
36: [6, 24, 50, 76, 102, 128, 154],
37: [6, 28, 54, 80, 106, 132, 158],
38: [6, 32, 58, 84, 110, 136, 162],
39: [6, 26, 54, 82, 110, 138, 166],
40: [6, 30, 58, 86, 114, 142, 170],
};
/// メイン解析フロー (前処理リトライ機能付き)
Future<(List<List<bool>> matrix, QrInfo info)> extractRawPattern(img.Image originalImage) async {
Object? lastError;
for (int attempt = 0; attempt < 3; attempt++) {
try {
img.Image processed = _applyPreprocess(originalImage, attempt);
final Int32List argb = _convertToArgb(processed);
final source = RGBLuminanceSource(processed.width, processed.height, argb);
final bitmap = BinaryBitmap(HybridBinarizer(source));
// 検出の実行
final detectorResult = Detector(bitmap.blackMatrix).detect();
final bm = detectorResult.bits;
final int size = bm.width;
final matrix = List.generate(
size, (y) => List.generate(size, (x) => bm.get(x, y)),
);
// フォーマット情報の読み取り
final int raw1 = _readFormatLocation1(matrix);
final int raw2 = _readFormatLocation2(matrix);
// zxing_lib の標準デコーダーに丸投げする (これが最も堅牢です)
final formatInfo = FormatInformation.decodeFormatInformation(raw1, raw2);
if (formatInfo == null) {
//print("Warning: BCH error correction failed. Falling back to raw bit read.");
}
// 2. 失敗した場合、生データを 0x5412 で XOR して強引に EC を引っこ抜く (デバッグ用)
String ecLevel;
int maskPattern;
if (formatInfo != null) {
ecLevel = formatInfo.errorCorrectionLevel.name;
maskPattern = formatInfo.dataMask.toInt();
} else {
// BCH訂正が効かないほど汚れているか、座標がズレている
// 暫定的に raw1 からマスクを剥がして EC を推測する
final unmasked = raw1 ^ 0x5412;
final ecBits = (unmasked >> 13) & 0x03;
ecLevel = ["M", "L", "H", "Q"][ecBits]; // 規格順: 00, 01, 10, 11
maskPattern = (unmasked >> 10) & 0x07;
}
final int version = ((size - 21) ~/ 4) + 1;
if (version < 1 || version > 40) {
throw Exception("Invalid version: $version");
}
final (int dataCW, int eccCW) = QrSpec.get(version, ecLevel);
return (matrix, QrInfo(
version: version,
ecLevel: ecLevel,
maskPattern: maskPattern,
size: size,
dataCodewords: dataCW,
eccCodewords: eccCW,
decodedText: _tryDecodeText(bitmap),
));
} catch (e) {
lastError = e;
continue; // 次の前処理 attempt へ
}
}
throw lastError ?? Exception("Analysis failed after 3 attempts.");
}
/// 試行回数（attempt）に応じて画像の前処理を切り替える
img.Image _applyPreprocess(img.Image originalImage, int attempt) {
switch (attempt) {
case 0:
// 1回目: そのまま（リサイズのみ済みの状態）
return originalImage;
case 1:
// 2回目: コントラスト強調 + シャープ化
// 境界線をはっきりさせて検出率を上げる
var processed = img.contrast(originalImage.clone(), contrast: 1.5);
return img.convolution(processed, filter: [0, -1, 0, -1, 5, -1, 0, -1, 0]);
case 2:
// 3回目: 輝度による二値化
// 露出オーバーや影が強い場合に有効
return img.luminanceThreshold(originalImage.clone(), threshold: 0.5);
default:
return originalImage;
}
}
/// 領域の分類（Painter用）
List<List<QrRegion>> classifyModules(int version, int dataCW, int eccCW) {
final size = 21 + 4 * (version - 1);
final map = List.generate(size, (_) => List.filled(size, QrRegion.unused));
// 1. 各種機能パターンのマーク（順番が重要：上書きを許容）
_markFinderPatterns(map);
_markTimingPatterns(map);
_markFormatInfo(map);
_markVersionInfo(map, version);
_markAlignmentPatterns(map, version);
_markDarkModule(map, version);
// 2. データ+ECCの総ビット数
final int totalBits = (dataCW + eccCW) * 8;
final int dataBits = dataCW * 8;
int bitIndex = 0;
int col = size - 1;
bool upward = true;
// 3. ジグザグスキャンでデータとECCを流し込む
while (col > 0) {
if (col == 6) col--; // タイミングパターンの列を避ける
for (int i = 0; i < size; i++) {
int row = upward ? (size - 1 - i) : i;
for (int c = col; c >= col - 1; c--) {
// 未使用の場所（機能パターンが置かれていない場所）にビットを配置
if (map[row][c] == QrRegion.unused) {
if (bitIndex < totalBits) {
map[row][c] = (bitIndex < dataBits) ? QrRegion.data : QrRegion.ecc;
bitIndex++;
} else {
// 1568ビットを配置しきった後に、まだ unused の場所がある場合
// それが「剰余ビット（Remainder Bits）」です。
// 明示的に別領域として扱うことで、データ/ECCとの混同を避けます。
map[row][c] = QrRegion.unused;
}
}
}
}
col -= 2;
upward = !upward;
}
//デバッグ用：最終的な未使用マスの数を出力（V7なら0になるべき）
//int remainUnused = 0;
//for (var r in map) {
// for (var cell in r) {
// if (cell == QrRegion.unused) remainUnused++;
// }
//}
//debug print("####################Total bits placed: $bitIndex / $totalBits");
//debug print("####################Remaining Unused (Remainder): $remainUnused");
return map;
}
/// マスク解除
List<List<bool>> unmaskMatrix(List<List<bool>> matrix, List<List<QrRegion>> regionMap, int mask) {
final n = matrix.length;
return List.generate(n, (y) => List.generate(n, (x) {
final isData = regionMap[y][x] == QrRegion.data || regionMap[y][x] == QrRegion.ecc;
if (!isData) return matrix[y][x];
return isMasked(mask, x, y) ? !matrix[y][x] : matrix[y][x];
}));
}
///ビットの読み取り順序をリスト化
List<Point<int>> getBitOrder(int version, List<List<QrRegion>> regionMap) {
final size = regionMap.length;
List<Point<int>> order = [];
int col = size - 1;
bool upward = true;
while (col > 0) {
if (col == 6) col--; // タイミングパターンの列をスキップ
for (int i = 0; i < size; i++) {
int row = upward ? (size - 1 - i) : i;
for (int c = col; c >= col - 1; c--) {
// データまたはECCの領域のみを順番に追加
if (regionMap[row][c] == QrRegion.data || regionMap[row][c] == QrRegion.ecc) {
order.add(Point(c, row));
}
}
}
col -= 2;
upward = !upward;
}
return order;
}
void _markAlignmentPatterns(List<List<QrRegion>> map, int version) {
final positions = _alignmentTable[version];
if (positions == null || positions.isEmpty) {
return;
}
final n = map.length;
for (final cy in positions) {
for (final cx in positions) {
// 既存の Finder Pattern 領域（周辺1セル含む）を避ける判定
// 0〜8 (左上), n-9〜n-1 (右上/左下) あたりをカバー
if ((cx <= 8 && cy <= 8) ||
(cx >= n - 9 && cy <= 8) ||
(cx <= 8 && cy >= n - 9)) {
continue;
}
// 5x5 の範囲をマーク
for (int dy = -2; dy <= 2; dy++) {
for (int dx = -2; dx <= 2; dx++) {
final y = cy + dy;
final x = cx + dx;
if (x >= 0 && x < n && y >= 0 && y < n) {
map[y][x] = QrRegion.alignment;
}
}
}
}
}
}
// 型番情報のマーク（Version 7以上）
void _markVersionInfo(List<List<QrRegion>> map, int version) {
if (version < 7) return;
final size = map.length;
// 左下の 6x3 ブロック (縦6 x 横3)
for (int x = 0; x < 6; x++) {
for (int y = size - 11; y < size - 8; y++) {
map[y][x] = QrRegion.version;
}
}
// 右上の 3x6 ブロック (縦3 x 横6)
for (int y = 0; y < 6; y++) {
for (int x = size - 11; x < size - 8; x++) {
map[y][x] = QrRegion.version;
}
}
}
// ダークモジュールのマーク（Versionに関わらず固定位置）
void _markDarkModule(List<List<QrRegion>> map, int version) {
// 座標は常に (size - 8, 8)
final size = map.length;
map[size - 8][8] = QrRegion.format; // 役割としてはフォーマット情報に近い
}
Int32List _convertToArgb(img.Image image) {
final length = image.width * image.height;
final result = Int32List(length);
int i = 0;
for (final pixel in image) {
final r = pixel.r.toInt();
final g = pixel.g.toInt();
final b = pixel.b.toInt();
result[i++] = (0xFF << 24) | (r << 16) | (g << 8) | b;
}
return result;
}
/// Location 1 (左上) の読み取り: Bit 14 (MSB) -> Bit 0 (LSB)
int _readFormatLocation1(List<List<bool>> m) {
final List<List<int>> pixelCoordinates = [
[0, 8], [1, 8], [2, 8], [3, 8], [4, 8], [5, 8], [7, 8], [8, 8], // 14-7
[8, 7], [8, 5], [8, 4], [8, 3], [8, 2], [8, 1], [8, 0] // 6-0
];
int v = 0;
for (final c in pixelCoordinates) {
v = (v << 1) | (m[c[0]][c[1]] ? 1 : 0);
}
return v;
}
/// Location 2 (右上・左下) の読み取り: Bit 14 (MSB) -> Bit 0 (LSB)
int _readFormatLocation2(List<List<bool>> m) {
final int size = m.length;
final List<List<int>> pixelCoordinates = [
// 左下の垂直ライン (Bit 14-8)
[size - 1, 8], [size - 2, 8], [size - 3, 8], [size - 4, 8],
[size - 5, 8], [size - 6, 8], [size - 7, 8],
// 右上の水平ライン (Bit 7-0)
[8, size - 8], [8, size - 7], [8, size - 6], [8, size - 5],
[8, size - 4], [8, size - 3], [8, size - 2], [8, size - 1]
];
int v = 0;
for (final c in pixelCoordinates) {
v = (v << 1) | (m[c[0]][c[1]] ? 1 : 0);
}
return v;
}
String? _tryDecodeText(BinaryBitmap bitmap) {
try {
return QRCodeReader().decode(bitmap).text;
} catch (_) {
return null;
}
}
void _markFinderPatterns(List<List<QrRegion>> map) {
final size = map.length;
void mark(int ox, int oy) {
// 7x7ではなく8x8（セパレータ含む）をスキャン
for (int y = oy; y < oy + 8; y++) {
for (int x = ox; x < ox + 8; x++) {
// 配列の範囲内のみマーク
if (x >= 0 && x < size && y >= 0 && y < size) {
map[y][x] = QrRegion.finder; // 分類上はfinderまたはseparatorとして予約
}
}
}
}
mark(0, 0); // 左上
mark(size - 8, 0); // 右上（起点をsize-8に修正）
mark(0, size - 8); // 左下（起点をsize-8に修正）
}
void _markTimingPatterns(List<List<QrRegion>> map) {
final size = map.length;
for (int i = 0; i < size; i++) {
map[6][i] = QrRegion.timing;
map[i][6] = QrRegion.timing;
}
}
void _markFormatInfo(List<List<QrRegion>> map) {
final size = map.length;
// 左上周辺
for (int i = 0; i <= 8; i++) {
if (i != 6) map[8][i] = QrRegion.format; // 水平
if (i != 6) map[i][8] = QrRegion.format; // 垂直
}
// 右上と左下
for (int i = 0; i < 8; i++) {
map[8][size - 1 - i] = QrRegion.format; // 右上水平
map[size - 1 - i][8] = QrRegion.format; // 左下垂直
}
}
}/// Copyright© ao-system, Inc.
enum QrRegion {
finder,
alignment,
timing,
format,
version,
data,
ecc,
unused,
}
/// Copyright© ao-system, Inc.
class QrSpec {
// 形式: version -> ecLevel -> (dataCodewords, eccCodewords)
static const Map<int, Map<String, (int, int)>> table = {
1: {"L": (19, 7), "M": (16, 10), "Q": (13, 13), "H": (9, 17)},
2: {"L": (34, 10), "M": (28, 16), "Q": (22, 22), "H": (16, 28)},
3: {"L": (55, 15), "M": (44, 26), "Q": (34, 18), "H": (26, 22)},
4: {"L": (80, 20), "M": (64, 18), "Q": (48, 26), "H": (36, 16)},
5: {"L": (108, 26), "M": (86, 24), "Q": (62, 36), "H": (46, 44)},
6: {"L": (136, 18), "M": (108, 16), "Q": (76, 48), "H": (60, 56)},
7: {"L": (156, 40), "M": (124, 72), "Q": (88, 108), "H": (66, 130)},
8: {"L": (194, 48), "M": (154, 88), "Q": (110, 132), "H": (86, 156)},
9: {"L": (232, 60), "M": (182, 110), "Q": (132, 160), "H": (100, 192)},
10: {"L": (274, 72), "M": (216, 144), "Q": (154, 192), "H": (122, 224)},
11: {"L": (324, 80), "M": (254, 174), "Q": (180, 224), "H": (140, 264)},
12: {"L": (370, 96), "M": (290, 196), "Q": (206, 260), "H": (158, 308)},
13: {"L": (428, 104), "M": (334, 224), "Q": (244, 288), "H": (180, 352)},
14: {"L": (461, 120), "M": (365, 272), "Q": (261, 320), "H": (197, 384)},
15: {"L": (523, 132), "M": (415, 306), "Q": (295, 360), "H": (223, 432)},
16: {"L": (589, 144), "M": (453, 344), "Q": (325, 408), "H": (253, 480)},
17: {"L": (647, 168), "M": (507, 384), "Q": (367, 448), "H": (283, 532)},
18: {"L": (721, 180), "M": (563, 432), "Q": (397, 504), "H": (313, 588)},
19: {"L": (795, 196), "M": (627, 476), "Q": (445, 560), "H": (341, 650)},
20: {"L": (861, 224), "M": (669, 528), "Q": (485, 632), "H": (385, 700)},
21: {"L": (932, 224), "M": (714, 576), "Q": (512, 720), "H": (406, 784)},
22: {"L": (1006, 252), "M": (782, 644), "Q": (568, 784), "H": (442, 864)},
23: {"L": (1094, 270), "M": (860, 700), "Q": (614, 840), "H": (464, 948)},
24: {"L": (1174, 300), "M": (914, 760), "Q": (664, 912), "H": (514, 1020)},
25: {"L": (1276, 312), "M": (1000, 840), "Q": (718, 1020), "H": (538, 1140)},
26: {"L": (1370, 336), "M": (1062, 896), "Q": (754, 1088), "H": (596, 1216)},
27: {"L": (1468, 360), "M": (1128, 952), "Q": (808, 1152), "H": (628, 1280)},
28: {"L": (1531, 390), "M": (1193, 1020), "Q": (871, 1240), "H": (661, 1380)},
29: {"L": (1631, 420), "M": (1267, 1080), "Q": (911, 1320), "H": (701, 1470)},
30: {"L": (1735, 450), "M": (1373, 1140), "Q": (985, 1410), "H": (745, 1560)},
31: {"L": (1843, 480), "M": (1455, 1230), "Q": (1033, 1500), "H": (793, 1680)},
32: {"L": (1955, 510), "M": (1541, 1290), "Q": (1115, 1590), "H": (845, 1770)},
33: {"L": (2071, 540), "M": (1631, 1380), "Q": (1171, 1680), "H": (901, 1890)},
34: {"L": (2191, 570), "M": (1725, 1470), "Q": (1231, 1770), "H": (961, 1980)},
35: {"L": (2306, 600), "M": (1812, 1560), "Q": (1286, 1860), "H": (986, 2100)},
36: {"L": (2434, 630), "M": (1914, 1650), "Q": (1354, 1950), "H": (1054, 2220)},
37: {"L": (2566, 660), "M": (1992, 1740), "Q": (1426, 2040), "H": (1096, 2310)},
38: {"L": (2702, 720), "M": (2102, 1830), "Q": (1502, 2130), "H": (1142, 2430)},
39: {"L": (2812, 750), "M": (2216, 1920), "Q": (1582, 2220), "H": (1222, 2520)},
40: {"L": (2956, 780), "M": (2334, 2010), "Q": (1666, 2310), "H": (1276, 2610)},
};
static (int dataCW, int eccCW) get(int version, String ec) {
final versionData = table[version];
if (versionData == null) {
throw Exception("Unsupported QR Version: $version.");
}
final spec = versionData[ec];
if (spec == null) {
throw Exception("Unsupported EC Level: $ec for Version $version.");
}
return spec;
}
}
/// Copyright© ao-system, Inc.
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:qranalyzer/qr_region.dart';
class QrUnmaskedPainter extends CustomPainter {
final List<List<bool>> matrix;
final List<List<QrRegion>> regionMap;
final List<Point<int>> bitOrder;
final int highlightIndex;
final int dataBitLimit; // データビットの総数 (dataCodewords * 8)
QrUnmaskedPainter(
this.matrix,
this.regionMap,
this.bitOrder,
this.highlightIndex,
this.dataBitLimit,
);
@override
void paint(Canvas canvas, Size size) {
final int n = matrix.length;
final double cell = size.width / n;
// --- 色の定義 ---
// 1. 基本（データ・ECC）
final Paint paintDark = Paint()..color = Colors.black.withValues(alpha: 0.8);
final Paint paintLight = Paint()..color = Colors.white.withValues(alpha: 0.8);
// 2. 機能パターン（デバッグ用に色分け）
final Paint paintFinder = Paint()..color = Colors.green.withValues(alpha: 0.4);
final Paint paintTiming = Paint()..color = Colors.orange.withValues(alpha: 0.4);
final Paint paintAlignment = Paint()..color = Colors.purple.withValues(alpha: 0.4);
final Paint paintVersionFormat = Paint()..color = Colors.teal.withValues(alpha: 0.4);
// 3. 未使用（剰余ビット）
final Paint paintUnused = Paint()..color = Colors.grey.withValues(alpha: 0.2);
// 4. ハイライト用
final Paint paintDataHighlight = Paint()..color = Colors.blue;
final Paint paintEccHighlight = Paint()..color = Colors.red;
final Paint paintDataPassed = Paint()..color = Colors.blue.withValues(alpha: 0.4);
final Paint paintEccPassed = Paint()..color = Colors.red.withValues(alpha: 0.4);
// --- 1. ベースのQRと領域の描画 ---
for (int y = 0; y < n; y++) {
for (int x = 0; x < n; x++) {
final region = regionMap[y][x];
final rect = Rect.fromLTWH(x * cell, y * cell, cell, cell);
// まずはセル自体の色（黒/白）を塗る（データ/ECC領域のみ）
if (region == QrRegion.data || region == QrRegion.ecc) {
canvas.drawRect(rect, matrix[y][x] ? paintDark : paintLight);
} else {
// 機能パターンや未使用領域を色分け描画
Paint p;
switch (region) {
case QrRegion.finder:
p = paintFinder;
break;
case QrRegion.timing:
p = paintTiming;
break;
case QrRegion.alignment:
p = paintAlignment;
break;
case QrRegion.version:
case QrRegion.format:
p = paintVersionFormat;
break;
case QrRegion.unused:
default:
p = paintUnused;
break;
}
canvas.drawRect(rect, p);
}
}
}
// --- 2. シーク位置までのビットをハイライト ---
for (int i = 0; i <= highlightIndex && i < bitOrder.length; i++) {
final p = bitOrder[i];
final rect = Rect.fromLTWH(p.x * cell, p.y * cell, cell, cell);
bool isData = i < dataBitLimit;
Paint highlightPaint;
if (i == highlightIndex) {
// 現在フォーカスされているビット
highlightPaint = isData ? paintDataHighlight : paintEccHighlight;
} else {
// 通過済みのビット
highlightPaint = isData ? paintDataPassed : paintEccPassed;
}
canvas.drawRect(rect, highlightPaint);
}
}
@override
bool shouldRepaint(covariant QrUnmaskedPainter oldDelegate) =>
oldDelegate.highlightIndex != highlightIndex ||
oldDelegate.dataBitLimit != dataBitLimit ||
oldDelegate.matrix != matrix; // 行列が変わった際も再描画
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:qranalyzer/theme_color.dart';
import 'package:qranalyzer/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:qranalyzer/setting_card.dart";
import "package:qranalyzer/l10n/app_localizations.dart";
import "package:qranalyzer/ad_banner_widget.dart";
import "package:qranalyzer/ad_ump_status.dart";
import 'package:qranalyzer/loading_screen.dart';
import 'package:qranalyzer/theme_color.dart';
import 'package:qranalyzer/model.dart';
import 'package:qranalyzer/_secrets.dart';
import "package:qranalyzer/main.dart";
import 'package:qranalyzer/att_service.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 _schemeColor = 0;
Color _accentColor = Colors.red;
int _themeNumber = 0;
String _languageCode = '';
bool _isReady = false;
@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.backColor,
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(), //背景タップでキーボードを仕舞う
child: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.only(left: 16, right: 16, top: 0, bottom: 100),
child: Column(children: [
_buildWakelockEnabled(l, t),
_buildSchemeColor(l, t),
_buildTheme(l, t),
_buildLanguage(l, t),
_buildReview(l, t),
_buildCmp(l, t),
_buildAtt(l, t),
_buildUsage(l, t),
]),
),
),
),
),
])
),
bottomNavigationBar: AdBannerWidget(adManager: MainApp.of(context).adManager),
);
}
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 _buildSchemeColor(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: <Widget>[
Text(_schemeColor.toStringAsFixed(0), style: t.bodyMedium),
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, TextTheme t) {
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
minVerticalPadding: 0,
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),
minVerticalPadding: 0,
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 _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),
),
],
),
);
},
),
],
),
),
);
}
Widget _buildUsage(AppLocalizations l, TextTheme t) {
return SettingCard(
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
title: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(l.usage1, style: t.bodyMedium),
],
),
),
);
}
}
/// Copyright© ao-system, Inc.
import 'package:flutter/material.dart';
import 'package:qranalyzer/model.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;
}
}
Color _getRainbowAccentColor(int hue, double saturation) {
return HSVColor.fromAHSV(1.0, hue.toDouble(), saturation, 1.0).toColor();
}
bool get _isLight => _effectiveBrightness == Brightness.light;
//main page
Color get mainBackColor => _isLight ? Color.fromRGBO(200,200,200, 1.0) : Color.fromRGBO(30,30,30, 1.0);
Color get mainBack2Color => _isLight ? Color.fromRGBO(255,255,255, 1.0) : Color.fromRGBO(50,50,50, 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(17, 17, 17, 1.0) : Color.fromRGBO(200, 200, 200, 1.0);
Color get mainAccentForeColor => _getRainbowAccentColor(Model.schemeColor,0.6);
//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;
}
}
}
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