Files
SpotiFLAC-Mobile/lib/main.dart
T
zarzet 040c328479 feat(widgets): add native Android and iOS home screen players
Publish artwork, metadata, and transport state through a shared Dart bridge. Add configurable Android RemoteViews and iOS WidgetKit players with controls and links into the full player.

Serialize widget commands and session restoration, and share one headless-capable iOS Flutter engine with the foreground scene. Include native integration tests, Dart bridge tests, and widget setup documentation.
2026-09-25 01:22:58 +07:00

567 lines
19 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:crypto/crypto.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart' show rootBundle;
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:path_provider/path_provider.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:spotiflac_android/app.dart';
import 'package:spotiflac_android/models/settings.dart';
import 'package:spotiflac_android/providers/download_queue_provider.dart';
import 'package:spotiflac_android/providers/extension_provider.dart';
import 'package:spotiflac_android/providers/local_library_provider.dart';
import 'package:spotiflac_android/providers/runtime_profile_provider.dart';
import 'package:spotiflac_android/providers/settings_provider.dart';
import 'package:spotiflac_android/providers/theme_provider.dart';
import 'package:spotiflac_android/services/notification_service.dart';
import 'package:spotiflac_android/services/platform_bridge.dart';
import 'package:spotiflac_android/services/share_intent_service.dart';
import 'package:spotiflac_android/services/cover_cache_manager.dart';
import 'package:spotiflac_android/services/app_state_database.dart';
import 'package:spotiflac_android/services/app_navigation_service.dart';
import 'package:spotiflac_android/services/music_player_service.dart';
import 'package:spotiflac_android/services/player_widget_service.dart';
import 'package:spotiflac_android/screens/now_playing_screen.dart';
import 'package:spotiflac_android/utils/local_library_scan_prefs.dart';
import 'package:spotiflac_android/utils/logger.dart';
import 'package:spotiflac_android/utils/extension_auth_launcher.dart';
final _log = AppLogger('Main');
_StartupBenchmark? _startupBenchmark;
void main() {
if (const bool.fromEnvironment('CORE_BACKEND_STARTUP_BENCHMARK')) {
_startupBenchmark = _StartupBenchmark();
}
// Catch uncaught Dart errors so a failing async path is logged, not fatal.
// Native (Go) crashes still can't be caught here.
runZonedGuarded(
() async {
WidgetsFlutterBinding.ensureInitialized();
LicenseRegistry.addLicense(() async* {
yield LicenseEntryWithLineBreaks(const [
'Inter',
], await rootBundle.loadString('assets/fonts/Inter-LICENSE.txt'));
});
_startupBenchmark?.observeFirstFrame();
final previousOnError = FlutterError.onError;
FlutterError.onError = (details) {
previousOnError?.call(details);
_log.e('Uncaught Flutter error: ${details.exceptionAsString()}');
};
WidgetsBinding.instance.platformDispatcher.onError = (error, stack) {
_log.e('Uncaught platform error: $error');
return true;
};
final prefs = await SharedPreferences.getInstance();
await _prepareAndroidInstallationState(prefs);
final bootstrapSettings = loadBootstrapSettings(prefs);
final bootstrapTheme = loadBootstrapThemeSettings(prefs);
final initialSafAccessLost = await _detectInitialSafAccessLoss(
bootstrapSettings,
);
final runtimeProfile = await _resolveRuntimeProfile(prefs);
_configureImageCache(runtimeProfile);
runApp(
ProviderScope(
overrides: [
lowEndDeviceProvider.overrideWithValue(
runtimeProfile.disableOverscrollEffects,
),
deviceSupportsBackdropBlurProvider.overrideWithValue(
runtimeProfile.enableBackdropBlur,
),
initialSettingsProvider.overrideWithValue(bootstrapSettings),
initialSafAccessLostProvider.overrideWithValue(
initialSafAccessLost,
),
initialThemeSettingsProvider.overrideWithValue(bootstrapTheme),
],
child: EagerInitialization(
child: SpotiFLACApp(
disableOverscrollEffects: runtimeProfile.disableOverscrollEffects,
),
),
),
);
if (Platform.isAndroid || Platform.isIOS) {
unawaited(
PlayerWidgetService.instance.initialize((command) async {
await restorePersistedPlaybackSession();
final handler = await initMusicPlayer();
if (command == 'open') {
await WidgetsBinding.instance.endOfFrame;
final navigator =
AppNavigationService.rootNavigatorKey.currentState;
if (navigator != null && handler.mediaItem.value != null) {
unawaited(navigator.push<void>(NowPlayingRoute()));
}
} else {
await PlayerWidgetService.control(handler, command);
}
}),
);
}
},
(error, stack) {
_log.e('Uncaught zone error: $error');
},
);
}
// Opt-in release measurement. The ordinary startup path owns initialization;
// reporting and validation happen after both measured boundaries are captured.
class _StartupBenchmark {
final _watch = Stopwatch()..start();
late final Future<int> _firstFrame;
void observeFirstFrame() {
_firstFrame = WidgetsBinding.instance.waitUntilFirstFrameRasterized.then(
(_) => _watch.elapsedMicroseconds,
);
}
void extensionsReady(ExtensionState state, AppSettings settings) {
final ready = _watch.elapsedMicroseconds;
unawaited(_report(state, settings, ready));
}
Future<void> _report(
ExtensionState state,
AppSettings settings,
int ready,
) async {
try {
if (!kReleaseMode) throw StateError('Startup benchmark requires release');
final firstFrame = await _firstFrame.timeout(const Duration(seconds: 30));
if (!state.isInitialized || state.error != null) {
throw StateError('Extensions are not ready: ${state.error}');
}
final backends = await PlatformBridge.getBackendImplementations();
const backend = String.fromEnvironment('EXPECTED_CORE_BACKEND');
if (!const ['go', 'rust'].contains(backend) ||
backends.length != 4 ||
backends.values.any((value) => value != backend)) {
throw StateError('Unexpected backend ownership: $backends');
}
await _write({
'result': 'CORE_BACKEND_STARTUP_PASS backend=$backend',
'startup': {
'schema': 1,
'backend': backend,
'mode': 'release',
'start_boundary': 'Dart main entry before bindings',
'first_frame_boundary': 'first rasterized frame observed',
'ready_boundary': 'production ensureInitialized completed',
'cache': 'fresh process; warm filesystem',
'first_frame_us': firstFrame,
'extensions_ready_us': ready,
'settings_sha256': sha256
.convert(utf8.encode(jsonEncode(settings.toJson())))
.toString(),
'extensions': [
for (final extension in state.extensions)
{
'id': extension.id,
'enabled': extension.enabled,
'status': extension.status,
},
],
},
});
} catch (error) {
await _write({'result': 'CORE_BACKEND_STARTUP_FAIL $error'});
}
}
Future<void> _write(Map<String, Object?> result) async {
final support = await getApplicationSupportDirectory();
await File(
'${support.path}/core-backend-probe-result.json',
).writeAsString(jsonEncode({'pid': pid, ...result}), flush: true);
}
}
const _runtimeProfileTierKey = 'runtime_profile_tier_v1';
Future<void> _prepareAndroidInstallationState(SharedPreferences prefs) async {
if (!Platform.isAndroid) return;
try {
final hasPersistedSettings = hasPersistedAppSettings(prefs);
final installState = await PlatformBridge.ensureInstallMarker();
final shouldReset = shouldResetRestoredInstallation(
hasPersistedSettings: hasPersistedSettings,
installState: installState,
);
if (!shouldReset) return;
_log.w(
'Android restored state into a fresh installation; resetting '
'installation-bound settings',
);
await resetRestoredInstallationSettings(prefs);
await prefs.remove(_runtimeProfileTierKey);
await prefs.remove(localLibraryLastScannedAtKey);
await AppStateDatabase.instance.clearPendingQueueAfterInstallationRestore();
} catch (e) {
// Startup SAF validation remains the second line of defense if an OEM or
// bridge implementation prevents install-marker inspection.
_log.w('Failed to inspect restored installation state: $e');
}
}
Future<bool> _detectInitialSafAccessLoss(AppSettings settings) async {
if (!Platform.isAndroid ||
settings.isFirstLaunch ||
settings.storageMode != 'saf' ||
settings.downloadTreeUri.isEmpty) {
return false;
}
try {
return !await PlatformBridge.validateSafTreeAccess(
settings.downloadTreeUri,
);
} catch (e) {
// A transient bridge failure must not trap the user at launch. Download
// preflight validates strictly again before any write starts.
_log.w('Failed to validate SAF access during startup: $e');
return false;
}
}
Future<_RuntimeProfile> _resolveRuntimeProfile(SharedPreferences prefs) async {
final cachedTier = prefs.getString(_runtimeProfileTierKey);
if (cachedTier != null) {
final cached = _RuntimeProfile.fromTier(cachedTier);
if (cached != null) return cached;
}
const defaults = _RuntimeProfile.standard();
if (!Platform.isAndroid) {
await prefs.setString(_runtimeProfileTierKey, defaults.tier);
return defaults;
}
try {
final androidInfo = await DeviceInfoPlugin().androidInfo;
final isArm32Only = androidInfo.supported64BitAbis.isEmpty;
final isLowRamDevice =
androidInfo.isLowRamDevice || androidInfo.physicalRamSize <= 2500;
final profile = (isArm32Only || isLowRamDevice)
? const _RuntimeProfile.low()
: androidInfo.physicalRamSize >= 6000
? const _RuntimeProfile.high()
: defaults;
await prefs.setString(_runtimeProfileTierKey, profile.tier);
return profile;
} catch (e) {
debugPrint('Failed to resolve runtime profile: $e');
return defaults;
}
}
void _configureImageCache(_RuntimeProfile runtimeProfile) {
final imageCache = PaintingBinding.instance.imageCache;
// Keep memory cache bounded so cover-heavy pages don't retain too many
// full-resolution images simultaneously.
imageCache.maximumSize = runtimeProfile.imageCacheMaximumSize;
imageCache.maximumSizeBytes = runtimeProfile.imageCacheMaximumSizeBytes;
}
class _RuntimeProfile {
final String tier;
final int imageCacheMaximumSize;
final int imageCacheMaximumSizeBytes;
final bool disableOverscrollEffects;
final bool enableBackdropBlur;
const _RuntimeProfile._({
required this.tier,
required this.imageCacheMaximumSize,
required this.imageCacheMaximumSizeBytes,
required this.disableOverscrollEffects,
required this.enableBackdropBlur,
});
const _RuntimeProfile.low()
: this._(
tier: 'low',
imageCacheMaximumSize: 120,
imageCacheMaximumSizeBytes: 24 << 20,
disableOverscrollEffects: true,
enableBackdropBlur: false,
);
const _RuntimeProfile.standard()
: this._(
tier: 'standard',
imageCacheMaximumSize: 240,
imageCacheMaximumSizeBytes: 60 << 20,
disableOverscrollEffects: false,
enableBackdropBlur: false,
);
const _RuntimeProfile.high()
: this._(
tier: 'high',
imageCacheMaximumSize: 320,
imageCacheMaximumSizeBytes: 80 << 20,
disableOverscrollEffects: false,
enableBackdropBlur: true,
);
static _RuntimeProfile? fromTier(String tier) => switch (tier) {
'low' => const _RuntimeProfile.low(),
'standard' => const _RuntimeProfile.standard(),
'high' => const _RuntimeProfile.high(),
_ => null,
};
}
class EagerInitialization extends ConsumerStatefulWidget {
const EagerInitialization({super.key, required this.child});
final Widget child;
@override
ConsumerState<EagerInitialization> createState() =>
_EagerInitializationState();
}
class _EagerInitializationState extends ConsumerState<EagerInitialization>
with WidgetsBindingObserver {
ProviderSubscription<bool>? _localLibraryEnabledSub;
Timer? _downloadHistoryWarmupTimer;
Timer? _localLibraryWarmupTimer;
bool _localLibraryWarmupScheduled = false;
bool _autoScanTriggeredOnLaunch = false;
StreamSubscription<void>? _verificationNotificationSubscription;
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
WidgetsBinding.instance.addPostFrameCallback((_) {
if (!mounted) return;
_verificationNotificationSubscription =
PlatformBridge.verificationNotificationEvents().listen(
(_) => unawaited(_consumeVerificationNotification()),
);
_initializeAppServices();
_initializeExtensions();
_initializeDeferredProviders();
});
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
CoverCacheManager.stopMaintenance();
_localLibraryEnabledSub?.close();
_downloadHistoryWarmupTimer?.cancel();
_localLibraryWarmupTimer?.cancel();
_verificationNotificationSubscription?.cancel();
NotificationService().verificationNotifications.setHandler(null);
super.dispose();
}
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
if (state == AppLifecycleState.resumed) {
unawaited(_consumeVerificationNotification());
CoverCacheManager.scheduleMaintenance();
_maybeAutoScanLocalLibrary();
if (ref.exists(localLibraryProvider)) {
unawaited(
ref
.read(localLibraryProvider.notifier)
.refreshSourceAvailability(scanReconnected: true),
);
}
if (ref.exists(downloadQueueProvider)) {
ref
.read(downloadQueueProvider.notifier)
.resumePendingDownloadsOnForeground();
}
} else if (state == AppLifecycleState.paused) {
CoverCacheManager.stopMaintenance();
// Last reliable moment before the OS may kill the process: make sure
// any debounced download-queue persistence reaches disk.
if (ref.exists(downloadQueueProvider)) {
unawaited(
ref.read(downloadQueueProvider.notifier).flushQueuePersistence(),
);
}
// Backgrounded: release idle native runtimes and connections.
unawaited(PlatformBridge.releaseNativeMemory());
}
}
@override
void didHaveMemoryPressure() {
// OS memory pressure: drop decoded bitmaps (disk caches stay intact) and
// ask the native backend to release disposable runtimes and caches.
final imageCache = PaintingBinding.instance.imageCache;
imageCache.clear();
imageCache.clearLiveImages();
if (CoverCacheManager.isInitialized) {
CoverCacheManager.instance.store.emptyMemoryCache();
}
unawaited(PlatformBridge.releaseNativeMemory(underPressure: true));
}
void _initializeDeferredProviders() {
_downloadHistoryWarmupTimer = _scheduleProviderWarmup(
const Duration(milliseconds: 400),
() => ref.read(downloadHistoryProvider),
);
_maybeScheduleLocalLibraryWarmup(
ref.read(
settingsProvider.select((settings) => settings.localLibraryEnabled),
),
);
_localLibraryEnabledSub = ref.listenManual<bool>(
settingsProvider.select((settings) => settings.localLibraryEnabled),
(previous, next) {
if (next == true) {
_maybeScheduleLocalLibraryWarmup(true);
}
},
);
}
Timer _scheduleProviderWarmup(Duration delay, VoidCallback action) {
return Timer(delay, () {
if (!mounted) return;
action();
});
}
void _maybeScheduleLocalLibraryWarmup(bool enabled) {
if (!enabled || _localLibraryWarmupScheduled) return;
_localLibraryWarmupScheduled = true;
_localLibraryWarmupTimer = _scheduleProviderWarmup(
const Duration(milliseconds: 1600),
() {
ref.read(localLibraryProvider);
if (!_autoScanTriggeredOnLaunch) {
_autoScanTriggeredOnLaunch = true;
Future.delayed(const Duration(milliseconds: 500), () {
if (mounted) _maybeAutoScanLocalLibrary();
});
}
},
);
}
Future<void> _maybeAutoScanLocalLibrary() async {
if (!mounted) return;
final settings = ref.read(settingsProvider);
if (!settings.localLibraryEnabled) return;
if (settings.localLibraryAutoScan == 'off') return;
final libraryState = ref.read(localLibraryProvider);
if (libraryState.isScanning) return;
final now = DateTime.now();
final prefs = await SharedPreferences.getInstance();
final pendingSourceId = prefs.getString(localLibraryActiveScanSourceKey);
if (pendingSourceId != null && pendingSourceId.trim().isNotEmpty) {
await ref
.read(localLibraryProvider.notifier)
.startSourceScan(pendingSourceId.trim());
return;
}
final lastScanned = readLocalLibraryLastScannedAt(prefs);
if (lastScanned != null) {
final elapsed = now.difference(lastScanned);
switch (settings.localLibraryAutoScan) {
case 'on_open':
if (elapsed.inMinutes < 10) return;
break;
case 'daily':
if (elapsed.inHours < 24) return;
break;
case 'weekly':
if (elapsed.inDays < 7) return;
break;
default:
return;
}
}
await ref.read(localLibraryProvider.notifier).scanAllSources();
}
Future<void> _initializeAppServices() async {
try {
await CoverCacheManager.initialize();
CoverCacheManager.scheduleMaintenance();
await Future.wait([
NotificationService().initialize(),
ShareIntentService().initialize(),
]);
} catch (e) {
debugPrint('Failed to initialize app services: $e');
}
}
Future<void> _initializeExtensions() async {
try {
await ref.read(extensionProvider.notifier).ensureInitialized();
_startupBenchmark?.extensionsReady(
ref.read(extensionProvider),
ref.read(settingsProvider),
);
if (!mounted) return;
NotificationService().verificationNotifications.setHandler((
target,
) async {
if (!mounted) return;
try {
await ref
.read(downloadQueueProvider.notifier)
.handleVerificationNotificationTap(target);
} catch (error) {
_log.w('Could not open verification notification: $error');
if (mounted) showExtensionVerificationUnavailable(target.extensionId);
}
});
await _consumeVerificationNotification();
} catch (e) {
debugPrint('Failed to initialize extensions: $e');
}
}
Future<void> _consumeVerificationNotification() async {
if (!mounted || !Platform.isAndroid) return;
try {
final payload = await PlatformBridge.consumeVerificationNotification();
if (mounted) {
NotificationService().verificationNotifications.receive(payload);
}
} catch (error) {
_log.w('Could not read pending verification notification: $error');
}
}
@override
Widget build(BuildContext context) {
return widget.child;
}
}