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2026-07-23 14:31:28 +02:00
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 # Miscellaneous
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 # This file tracks properties of this Flutter project.
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 # This file should be version controlled and should not be manually edited.
 version:
  revision: "c9a6c484230f8b5e408ec57be1ef71dee1e77020"
  channel: "stable"
 project_type: app
 # Tracks metadata for the flutter migrate command
 migration:
  platforms:
    - platform: root
      create_revision: c9a6c484230f8b5e408ec57be1ef71dee1e77020
      base_revision: c9a6c484230f8b5e408ec57be1ef71dee1e77020
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    - platform: macos
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      create_revision: c9a6c484230f8b5e408ec57be1ef71dee1e77020
      base_revision: c9a6c484230f8b5e408ec57be1ef71dee1e77020
    - platform: windows
      create_revision: c9a6c484230f8b5e408ec57be1ef71dee1e77020
      base_revision: c9a6c484230f8b5e408ec57be1ef71dee1e77020
  # User provided section
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  unmanaged_files:
    - 'lib/main.dart'
    - 'ios/Runner.xcodeproj/project.pbxproj'
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 # This directory is a Syncthing folder marker.
 # Do not delete.
 folderID: melo-app
 created: 2026-07-23T14:21:25+02:00
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 android/app/build/
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 .idea/
 *.iml
 .flutter-plugins
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 # 🔴 Melo App — Vollständiges Code-Review
 > **Geprüft:** 20.07.2026 | **Projekt:** ~/Projects/melo_app/ | **Dustin (Baka) — Kiel**
 > **Prinzip:** Ponytail — minimaler Code, maximale Wirkung, max 500 Zeilen pro Datei
 ---
 ## 📋 Kritische Bugs (MÜSSEN SOFORT GEFIXT WERDEN)
 ### 🔴 [CRIT-1] Memory Leak: MiniPlayer-Streams werden nie gecancelled
 **Datei:** `widgets/mini_player.dart` · Zeilen 20–32
 ```dart
 // initState abonniert Streams, aber speichert kein StreamSubscription
 _player.positionStream.listen((pos) { ... });
 _player.stateStream.listen((state) { ... });
 ```
 **Problem:** `initState` abonniert `positionStream` und `stateStream` via `.listen()`, aber es gibt **kein** `dispose()`-Override. Die `StreamSubscription`-Objekte werden nirgends gespeichert, also können sie nie gecancelled werden. Jedes Mal wenn der MiniPlayer neu gebaut wird (z.B. bei setState im Parent), leakt ein neues Paar Subscriptions.
 **Fix:**
 ```dart
 StreamSubscription? _posSub;
 StreamSubscription? _stateSub;
@override
 void initState() {
  super.initState();
  _posSub = _player.positionStream.listen((pos) { ... });
  _stateSub = _player.stateStream.listen((state) { ... });
 }
@override
 void dispose() {
  _posSub?.cancel();
  _stateSub?.cancel();
  super.dispose();
 }
 ```
 ---
 ### 🔴 [CRIT-2] Null-Crash: `widget.song.id!` kann explodieren
 **Datei:** `widgets/metadaten_dialog.dart` · Zeile 88
 ```dart
 await _db.metadatenAktualisieren(
  widget.song.id!,  // ← CRASH wenn id null ist!
  ...
 );
 ```
 **Problem:** `Song.id` ist `int?`. Wenn ein Song (z.B. frisch gescannter oder Beispielsong ohne DB-ID) den Metadaten-Editor öffnet, crasht die App mit `null check used on null value`.
 **Fix:**
 ```dart
 final id = widget.song.id;
 if (id == null) {
  if (mounted) ScaffoldMessenger.of(context).showSnackBar(
    const SnackBar(content: Text('Song-ID fehlt — bitte App neustarten')),
  );
  return;
 }
 await _db.metadatenAktualisieren(id, ...);
 ```
 ---
 ### 🔴 [CRIT-3] `dauerSekunden` ist IMMER 0 (kein Metadaten-Parsing)
 **Datei:** `services/musik_scanner.dart` · Zeilen 34–44
 ```dart
 final song = Song(
  titel: _dateiNameOhneEndung(pfad),
  kuenstler: 'Unbekannt',   // ← keinerlei Tag-Parsing
  dauerSekunden: 0,          // ← IMMER 0!
  ...
 );
 ```
 **Problem:** Es wird nie die echte Audio-Dauer ausgelesen. Weder ID3-Tags noch MediaStore-Metadaten. Alle gescannten Songs haben `dauerSekunden: 0` → `dauerFormatiert` zeigt `"0:00"`.
 **Fix:** Nutze eine Audio-Metadaten-Bibliothek wie `flutter_media_metadata` oder `audio_metadata_reader`, oder implementiere einen nativen Method-Channel für MediaStore-Query. Minimal-Fix: verwende `just_audio` kurz zum Öffnen der Datei um Duration zu lesen.
 ---
 ### 🔴 [CRIT-4] `positionAktualisieren` flutet DB mit immer neuen Einträgen
 **Datei:** `database/db_helper.dart` · Zeilen 126–135
 ```dart
 Future<void> positionAktualisieren(int songId, int position) async {
  final d = await db;
  await d.update('songs', {'zuletzt_position': position},
    where: 'id = ?', whereArgs: [songId]);
  await d.insert('wiedergabe_verlauf', {   // ← IMMER INSERT!
    'song_id': songId,
    'position': position,
    'zuletzt_abgespielt': DateTime.now().toIso8601String(),
  });
 }
 ```
 **Problem:** Bei jedem Positions-Update wird ein NEUER History-Eintrag inserted, ohne den alten zu löschen. Nach 30 Minuten Musik hören mit 1-Sekunden-Takt → 1800 Einträge pro Song.
 **Fix Variante A (einfach):** Lösche alten Eintrag vor neuem Insert:
 ```dart
 await d.delete('wiedergabe_verlauf', where: 'song_id = ?', whereArgs: [songId]);
 await d.insert('wiedergabe_verlauf', { ... });
 ```
 **Fix Variante B (besser):** Nur bei signifikanten Änderungen speichern (alle 30 Sekunden statt bei jedem Tick).
 ---
 ### 🔴 [CRIT-5] `FlutterErrorBoundary` tut GAR NICHTS
 **Datei:** `main.dart` · Zeilen 48–62
 ```dart
 class _FlutterErrorBoundaryState extends State<FlutterErrorBoundary> {
  @override
  Widget build(BuildContext context) {
    return widget.child;  // ← gibt einfach child zurück, kein Error Handling!
  }
 }
 ```
 **Problem:** Das "Error Boundary" hat keinen Error-Catcher (`FlutterError.onError` oder `ErrorWidget.builder` oder `runZonedGuarded`). Es fängt genau null Fehler. Wird aber zum Glück auch nicht verwendet (der `AppWrapper` wird nie benutzt).
 **Fix:** Entweder korrekt implementieren (mit `runZonedGuarded` oder `ErrorWidget.builder`) oder — besser — den ganzen `AppWrapper` + `FlutterErrorBoundary` rauswerfen (Ponytail!).
 ---
 ## 📋 Schwere Probleme
 ### 🟠 [MAJ-1] Download-Fehlermeldungen werden brutal abgeschnitten
 **Datei:** `services/download_service.dart` · Zeilen 56, 75, 105, 127
 ```dart
 _fehlermeldung = 'Timeout/Fehler bei Video-Info: ${e.toString().substring(0, 80)}';
 ```
 **Problem:** `.substring(0, 80)` und `.substring(0, 100)` zerstören Fehlerdetails. YouTube-Fehler (Rate Limits, Region-Locks, Copyright Claims) werden sinnlos.
 **Fix:** Entweder gar nicht truncaten, oder erst auf UI-Ebene truncaten. Die Fehlermeldung sollte vollständig geloggt werden:
 ```dart
 debugPrint('Download-Fehler (vollständig): $e');
 _fehlermeldung = e.toString(); // UI zeigt nur ersten Teil, Log hat alles
 ```
 ---
 ### 🟠 [MAJ-2] MiniPlayer `dispose()` tut nichts (lebt als Memory Leak II)
 **Datei:** `widgets/mini_player.dart` · Zeile 131
 Kein `dispose()`-Override vorhanden! Die Klasse endet mit `Widget _playBtn() { ... }`. Dadurch werden nicht nur Streams nicht gecancelled (CRIT-1), sondern auch keine Ressourcen freigegeben.
 ---
 ### 🟠 [MAJ-3] `_scanneViaMediaStore()` gibt IMMER `[]` zurück
 **Datei:** `services/musik_scanner.dart` · Zeilen 121–126
 ```dart
 Future<List<String>> _scanneViaMediaStore() async {
  // Nutzt Android's MediaStore Query
  // Wird über Method Channel in native Android implementiert
  // Für v1: Fallback auf Dateisystem-Suche
  return [];  // ← TODO seit Version 1
 }
 ```
 **Problem:** Der MediaStore-Pfad ist nie implementiert. Der Fallback auf Dateisystem-Suche ist ineffizient und findet keine Musik in App-spezifischen Verzeichnissen. Auf Android 11+ (API 30+) wird der Dateisystem-Zugriff zudem stark eingeschränkt.
 ---
 ### 🟠 [MAJ-4] `_p.positionStream` referenziert möglicherweise alten Player
 **Datei:** `services/player_service.dart` · Zeilen 32–33
 ```dart
 Stream<Duration> get positionStream => _p.positionStream;  // _p initiiert lazy
 Stream<PlayerState> get stateStream => _p.playerStateStream;
 ```
 **Problem:** `_p` initialisiert den `AudioPlayer` lazy beim ersten Zugriff. Wenn die Streams vor dem ersten `spiele()`-Aufruf abonniert werden, hängen sie an einem Player, der später ersetzt/reinitialisiert werden könnte. Der getter erzeugt keinen neuen Player, also ist das nur ein Problem wenn `_player` jemals auf null gesetzt wird (was nie passiert). Aber: `_p` wird von diesen Gettern aufgerufen → bei jedem Stream-Zugriff wird der `_player != null` Check gemacht. Das ist ok, aber es ist ein wartungsintensives Pattern.
 ---
 ### 🟠 [MAJ-5] `AppWrapper` ist totes Code-Gewebe
 **Datei:** `main.dart` · Zeilen 34–46
 `AppWrapper` wird nirgends verwendet. `MeloApp` geht direkt zu `Scaffold(body: MeloHome())`. Der Wrapper wurde offenbar geplant aber nie aktiviert.
 ---
 ### 🟠 [MAJ-6] Tag-Filter wird in Song-Liste komplett ignoriert
 **Datei:** `screens/home_screen.dart` · Zeilen 374–393 + 431–434
 `_aktiverTag` wird zwar gesetzt (Zeile 382), aber in `_songListe()` (Zeile 431–434) wird die Song-Liste ungefiltert angezeigt:
 ```dart
 itemCount: _songs.length,  // ← immer alle Songs, egal welcher Tag aktiv
 ```
 Die `_beispielTags` sind zudem hardcoded (nicht aus der DB) — das Tag-System hat keinen echten Filter.
 ---
 ## 📋 Code-Qualität & Anti-Patterns
 ### 🟡 [QUAL-1] Singleton-Overkill (5 von 6 Klassen sind Singletons)
 | Klasse | Singleton? | Warum problematisch |
 |--------|-----------|---------------------|
 | `DbHelper` | ✅ | Testen unmöglich (kein Mock) |
 | `PlayerService` | ✅ | State hält zwischen Tests |
 | `FavoritenService` | ✅ | s.o. |
 | `DownloadService` | ✅ | s.o. |
 | `MusikScanner` | ✅ | s.o. |
 **Fix:** Dependency Injection via Konstruktor. Services sollten das DB-Objekt injiziert bekommen statt `DbHelper()` direkt aufzurufen.
 ---
 ### 🟡 [QUAL-2] HomeScreen Monolith — 519 Zeilen in einer Datei
 **Datei:** `screens/home_screen.dart` · 519 Zeilen
 Enthält:
 - State Management
 - Header-Widget
 - Statistik-Widget
 - Tag-Leiste
 - Song-Liste
 - Song-Tile
 - Bottom Nav
 - Download-Dialog (komplette UI + Timer-Logik!)
 - Such-Dialog (komplette UI!)
 - Scan-Logik
 - Beispieldaten/Seed-Daten
 **Ponytail-Prinzip verletzt!** Max 500 Zeilen pro Datei fast erreicht, aber die Verantwortlichkeiten sind vermischt.
 **Fix:**
 - Extrahiere `MeloHeader`, `StatistikCard`, `TagLeiste`, `SongTile` in eigene Widget-Dateien (`widgets/`)
 - Extrahiere Such- und Download-Dialoge in eigene Methoden oder Dateien
 - Entferne Beispiel-Song-Seeding (gehört in einen dev-only Seeder)
 ---
 ### 🟡 [QUAL-3] `loeschen()` löscht in falscher Reihenfolge
 **Datei:** `database/db_helper.dart` · Zeilen 221–229
 ```dart
 await d.delete('wiedergabe_verlauf');
 await d.delete('song_tags');
 await d.delete('playlist_songs');
 await d.delete('playlists');
 await d.delete('tags');
 await d.delete('songs');
 ```
 **Problem:** Die Tabellen mit `ON DELETE CASCADE` werden vor den Eltern-Tabellen gelöscht. Theoretisch korrekt (CASCADE ist auf FK definiert), aber die Reihenfolge ist inkonsistent: `playlists` wird vor `tags` gelöscht, obwohl beide Eltern sind. Außerdem: **keine Transaktion!** Wenn ein Löschen fehlschlägt, hat man eine korrupte Datenbank.
 **Fix:** Alles in eine Transaktion packen:
 ```dart
 await d.transaction((txn) async {
  await txn.delete('wiedergabe_verlauf');
  await txn.delete('song_tags');
  await txn.delete('playlist_songs');
  await txn.delete('playlists');
  await txn.delete('tags');
  await txn.delete('songs');
 });
 ```
 ---
 ### 🟡 [QUAL-4] Doppelter try-catch in `musik_scanner.dart`
 **Datei:** `services/musik_scanner.dart` · Zeilen 29–65
 Zwei verschachtelte try-catch Blöcke die fast identischen Code enthalten. Der äußere try-catch fängt alles, und der innere ist ein "vielleicht klappt es beim zweiten Versuch" — ohne ersichtlichen Grund.
 **Fix:** Einfach einen try-catch:
 ```dart
 try {
  final file = File(pfad);
  final stat = await file.stat();
  gefunden.add(/* Song erstellen */);
 } catch (e) {
  debugPrint('Datei nicht lesbar: $pfad — $e');
 }
 ```
 ---
 ### 🟡 [QUAL-5] `favoritenIds()` ist ineffizient (lädt alle Songs nur für IDs)
 **Datei:** `services/favoriten_service.dart` · Zeilen 45–49
 ```dart
 Future<Set<int>> favoritenIds() async {
  final songs = await _db.songsDerPlaylist(_favoritenPlaylistId!);
  return songs.where((s) => s.id != null).map((s) => s.id!).toSet();
 }
 ```
 **Problem:** Lädt komplette Song-Objekte (mit allen Feldern) aus der DB, nur um die IDs zu bekommen. Bei 1000 Songs werden 1000 `Song.fromMap()`-Aufrufe gemacht.
 **Fix:** Dedizierte DB-Query:
 ```dart
 Future<Set<int>> favoritenIds() async {
  final d = await _db.db;
  final rows = await d.rawQuery(
    'SELECT song_id FROM playlist_songs WHERE playlist_id = ?',
    [_favoritenPlaylistId],
  );
  return rows.map((r) => r['song_id'] as int).toSet();
 }
 ```
 ---
 ## 📋 Überschüssiger Code (Ponytail-Prinzip)
 ### 🧹 [PONY-1] 4 redundante Zeilen im `_p` Getter
 **Datei:** `services/player_service.dart` · Zeilen 16–25
 ```dart
 AudioPlayer get _p {
  if (_player == null) {
    try {
      _player = AudioPlayer();
    } catch (e) {
      debugPrint('AudioPlayer Init Fehler: $e');
      _player = AudioPlayer();  // ← gleicher Code nochmal??
    }
  }
  return _player!;
 }
 ```
 Der doppelte `AudioPlayer()`-Aufruf im catch-Block ist sinnlos. Wenn der erste fehlschlägt, schlägt der zweite auch fehl. Einfach:
 ```dart
 AudioPlayer get _p => _player ??= AudioPlayer();
 ```
 ---
 ### 🧹 [PONY-2] Beispiel-Songs + Tags aus home_screen.dart raus
 **Datei:** `screens/home_screen.dart` · Zeilen 32–40, 52–67
 Die `_beispielTags` (hardcoded) und die Beispiel-Song-Seeding (Zeilen 53–67) gehören nicht in den produktiven Screen. Das ist Dev-Code.
 **Fix:** Entweder in einen `DevDataSeeder()` auslagern oder per `--dart-define` steuern.
 ---
 ### 🧹 [PONY-3] Download-Dialog als StatefulBuilder im HomeScreen
 **Datei:** `screens/home_screen.dart` · Zeilen 183–245
 Der komplette Download-Dialog mit Timer-Polling ist im HomeScreen vergraben. Das sind ~60 Zeilen UI + Logik.
 **Fix:** Eigene Widget-Datei `widgets/download_dialog.dart` mit `state`-haltendem Widget, das den Timer managed.
 ---
 ### 🧹 [PONY-4] `_header()` + `_statistik()` + `_tagLeiste()` → eigene Widgets
 **Datei:** `screens/home_screen.dart` · Zeilen 280–393
 Diese drei Methoden sind alle UI-only und könnten als eigene Widgets in `widgets/` leben.
 ---
 ## 📋 Security & Robustheit
 ### 🔒 [SEC-1] `Permission.storage` ist auf Android 33+ deprecated
 **Datei:** `services/musik_scanner.dart` · Zeile 19
 ```dart
 final status = await Permission.storage.request();
 ```
 **Problem:** Ab API 33 (Android 13) gibt es `READ_MEDIA_AUDIO` statt `READ_EXTERNAL_STORAGE`. `Permission.storage` fragt nach der alten Permission, die auf neueren Geräten ignoriert wird.
 **Fix:**
 ```dart
 import 'dart:io' show Platform;
 // Oder besser über permission_handler Android-specific
 await Permission.audio.request();
 ```
 ---
 ### 🔒 [SEC-2] Kein Retry-Mechanismus bei Netzwerkfehlern
 **Datei:** `services/download_service.dart` · Zeilen 32–131
 Bei Timeout oder Verbindungsabbruch wird einfach `null` zurückgegeben. Kein Retry, kein exponentielles Backoff.
 **Fix:** 2-3 Retry-Versuche mit steigendem Timeout:
 ```dart
 for (int versuch = 0; versuch < 3; versuch++) {
  try {
    return await _downloadAttempt(url);
  } catch (e) {
    if (versuch == 2) rethrow;
    await Future.delayed(Duration(seconds: 2 * (versuch + 1)));
  }
 }
 ```
 ---
 ### 🔒 [SEC-3] Kein Cancel-Mechanismus beim YouTube-Download
 **Datei:** `services/download_service.dart` · Zeilen 90–108
 Einmal gestartet, kann der Download nicht abgebrochen werden. Der Nutzer muss warten oder die App killen.
 **Fix:** `StreamSubscription` speichern und `cancel()` anbieten:
 ```dart
 StreamSubscription? _downloadSub;
 void cancelDownload() => _downloadSub?.cancel();
 ```
 ---
 ## 📋 Missing Features
 ### 📌 [FEAT-1] **4 von 5 Bottom-Nav-Tabs sind leer**
 `home_screen.dart` Zeilen 509–515: Navigation hat 5 Einträge, aber keine `_selectedIndex` und keine `IndexedStack` oder `switch`-Logik. Alle Tabs außer "Musik" zeigen denselben Screen.
 **Zu implementieren:**
 - `Downloads` → Zeige heruntergeladene Songs + Download-Buttons
 - `Tags` → Tag-Verwaltung (erstellen, löschen, Songs zuweisen)
 - `Favoriten` → Zeige Favoriten-Playlist
 - `Einstellungen` → Theme, Cache, Info
 ---
 ### 📌 [FEAT-2] **Keine Audio-Service Integration**
 `audio_service: ^0.18.15` ist als Dependency eingetragen, aber wird nirgends importiert oder verwendet. `PlayerService` ist standalone ohne Background-Playback.
 ---
 ### 📌 [FEAT-3] **`setWarteschlange` ohne Automatische Wiedergabe**
 `player_service.dart` Zeilen 83–87: Die Warteschlange wird gesetzt, aber nach dem letzten Song stoppt die Wiedergabe (kein Loop, kein Shuffle, keine Queue-Weiterverarbeitung).
 ---
 ## 📋 Zusammenfassung: Priority-TODO-Liste
 ### 🔴 MUST FIX (sofort — vor Release)
 | # | Datei | Zeile | Issue |
 |---|-------|-------|-------|
 | 1 | `widgets/mini_player.dart` | 20-32 | **Memory Leak:** Streams nie gecancelled |
 | 2 | `widgets/metadaten_dialog.dart` | 88 | **Null-Crash:** `song.id!` kann crashen |
 | 3 | `services/musik_scanner.dart` | 38 | **`dauerSekunden: 0`** — alle Songs haben Dauer 0 |
 | 4 | `database/db_helper.dart` | 126-135 | **DB-Flut:** positionAktualisieren inserted immer neu |
 | 5 | `main.dart` | 48-62 | **`FlutterErrorBoundary`** tut nichts (entfernen oder fixen) |
 | 6 | `widgets/mini_player.dart` | 131 | **Kein `dispose()`** — Leak #2 |
 ### 🟠 SHOULD FIX (nächster Sprint)
 | # | Datei | Zeile | Issue |
 |---|-------|-------|-------|
 | 7 | `services/download_service.dart` | 56,75,105,127 | Fehlermeldungen abgeschnitten (substring) |
 | 8 | `services/musik_scanner.dart` | 121-126 | `_scanneViaMediaStore()` gibt `[]` zurück |
 | 9 | `main.dart` | 34-46 | `AppWrapper` totes Gewebe (entfernen) |
 | 10 | `screens/home_screen.dart` | 382 | Tag-Filter tut nichts |
 | 11 | `screens/home_screen.dart` | 32-40 | Hardcoded Beispiel-Tags (aus DB laden!) |
 | 12 | `services/download_service.dart` | 90-108 | Kein Cancel-Mechanismus |
 | 13 | `services/download_service.dart` | — | Kein Retry bei Netzwerkfehlern |
 | 14 | `services/musik_scanner.dart` | 19-20 | Permission.storage deprecated (API 33+) |
 | 15 | `screens/home_screen.dart` | 509-515 | 4/5 Bottom-Nav-Tabs leer |
 | 16 | `services/favoriten_service.dart` | 45-49 | `favoritenIds()` lädt unnötig alle Songs |
 ### 🟡 NICE TO IMPROVE (Code-Qualität)
 | # | Datei | Zeile | Issue |
 |---|-------|-------|-------|
 | 17 | `screens/home_screen.dart` | 1-519 | **Monolith** — in Einzeldateien aufteilen |
 | 18 | `services/player_service.dart` | 16-25 | Redundanter try-catch im `_p` Getter |
 | 19 | `database/db_helper.dart` | 221-229 | `loeschen()` ohne Transaktion |
 | 20 | `services/musik_scanner.dart` | 29-65 | Doppelter try-catch Block |
 | 21 | — | — | **Singleton-Overkill** → Dependency Injection |
 | 22 | `screens/home_screen.dart` | 183-245 | Download-Dialog im HomeScreen (auslagern) |
 | 23 | `services/player_service.dart` | 83-87 | setWarteschlange ohne Weiterschaltung |
 | 24 | — | — | `audio_service` nie verwendet (Background-Playback) |
 ---
 ## 📊 Statistik
 | Metrik | Wert |
 |--------|------|
 | **Dateien** | 11 (12 mit pubspec.yaml) |
 | **Gesamt-LOC (Dart)** | 1.613 |
 | **Größte Datei** | `home_screen.dart` — 519 Zeilen (32%) |
 | **Singleton-Klassen** | 5/6 (83%) |
 | **Kritische Bugs** | **6** |
 | **Schwere Probleme** | **6** |
 | **Code-Qualität** | **5** |
 | **Ponytail-Verletzungen** | **4** (→ extrahieren) |
 | **Security** | **3** |
 | **Fehlende Features** | **4** (davon 1 komplett leer) |
 ---
 > **Fazit:** Die App hat ein solides Grundgerüst, aber leidet unter klassischen "Solo-Dev"-Problemen: Memory Leaks, Null-Safety-Lücken, Singleton-Overkill und ein Monolith-Screen. Der größte Hebel ist die Aufteilung von `home_screen.dart` (→ 3-4 eigene Widgets) und das Fixen der 6 kritischen Bugs. Danach: MediaStore-Integration für echte Song-Dauer und die 4 leeren Tabs befüllen.
 > "Weniger Code, mehr Wirkung" — **Ponytail-Prinzip.** Der MiniPlayer könnte mit dispose-Fix und gekürztem Code locker 30 Zeilen verlieren. Der HomeScreen sollte bei ~250 Zeilen landen.
@@ -0,0 +1,17 @@
 # melo_app
 A new Flutter project.
 ## Getting Started
 This project is a starting point for a Flutter application.
 A few resources to get you started if this is your first Flutter project:
 - [Learn Flutter](https://docs.flutter.dev/get-started/learn-flutter)
 - [Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
 - [Flutter learning resources](https://docs.flutter.dev/reference/learning-resources)
 For help getting started with Flutter development, view the
 [online documentation](https://docs.flutter.dev/), which offers tutorials,
 samples, guidance on mobile development, and a full API reference.
@@ -0,0 +1,28 @@
 # This file configures the analyzer, which statically analyzes Dart code to
 # check for errors, warnings, and lints.
 #
 # The issues identified by the analyzer are surfaced in the UI of Dart-enabled
 # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
 # invoked from the command line by running `flutter analyze`.
 # The following line activates a set of recommended lints for Flutter apps,
 # packages, and plugins designed to encourage good coding practices.
 include: package:flutter_lints/flutter.yaml
 linter:
  # The lint rules applied to this project can be customized in the
  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
  # included above or to enable additional rules. A list of all available lints
  # and their documentation is published at https://dart.dev/lints.
  #
  # Instead of disabling a lint rule for the entire project in the
  # section below, it can also be suppressed for a single line of code
  # or a specific dart file by using the `// ignore: name_of_lint` and
  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
  # producing the lint.
  rules:
    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
 # Additional information about this file can be found at
 # https://dart.dev/guides/language/analysis-options
@@ -0,0 +1,14 @@
 gradle-wrapper.jar
 /.gradle
 /captures/
 /gradlew
 /gradlew.bat
 /local.properties
 GeneratedPluginRegistrant.java
 .cxx/
 # Remember to never publicly share your keystore.
 # See https://flutter.dev/to/reference-keystore
 key.properties
 **/*.keystore
 **/*.jks
@@ -0,0 +1,45 @@
 plugins {
    id("com.android.application")
    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
    id("dev.flutter.flutter-gradle-plugin")
 }
 android {
    namespace = "com.melo.melo_app"
    compileSdk = flutter.compileSdkVersion
    ndkVersion = flutter.ndkVersion
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_17
        targetCompatibility = JavaVersion.VERSION_17
    }
    defaultConfig {
        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
        applicationId = "com.melo.melo_app"
        // You can update the following values to match your application needs.
        // For more information, see: https://flutter.dev/to/review-gradle-config.
        minSdk = flutter.minSdkVersion
        targetSdk = flutter.targetSdkVersion
        versionCode = flutter.versionCode
        versionName = flutter.versionName
    }
    buildTypes {
        release {
            // TODO: Add your own signing config for the release build.
            // Signing with the debug keys for now, so `flutter run --release` works.
            signingConfig = signingConfigs.getByName("debug")
        }
    }
 }
 kotlin {
    compilerOptions {
        jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
    }
 }
 flutter {
    source = "../.."
 }
@@ -0,0 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- The INTERNET permission is required for development. Specifically,
         the Flutter tool needs it to communicate with the running application
         to allow setting breakpoints, to provide hot reload, etc.
    -->
    <uses-permission android:name="android.permission.INTERNET"/>
 </manifest>
@@ -0,0 +1,52 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK"/>
    <uses-permission android:name="android.permission.WAKE_LOCK"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32"/>
    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO"/>
    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
    <application
        android:label="Melo"
        android:name="${applicationName}"
        android:icon="@mipmap/ic_launcher">
        <activity
            android:name=".MainActivity"
            android:exported="true"
            android:launchMode="singleTop"
            android:taskAffinity=""
            android:theme="@style/LaunchTheme"
            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
            android:hardwareAccelerated="true"
            android:windowSoftInputMode="adjustResize">
            <!-- Specifies an Android theme to apply to this Activity as soon as
                 the Android process has started. This theme is visible to the user
                 while the Flutter UI initializes. After that, this theme continues
                 to determine the Window background behind the Flutter UI. -->
            <meta-data
              android:name="io.flutter.embedding.android.NormalTheme"
              android:resource="@style/NormalTheme"
              />
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
        <!-- Don't delete the meta-data below.
             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
        <meta-data
            android:name="flutterEmbedding"
            android:value="2" />
    </application>
    <!-- Required to query activities that can process text, see:
         https://developer.android.com/training/package-visibility and
         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
    <queries>
        <intent>
            <action android:name="android.intent.action.PROCESS_TEXT"/>
            <data android:mimeType="text/plain"/>
        </intent>
    </queries>
 </manifest>
@@ -0,0 +1,5 @@
 package com.melo.melo_app
 import io.flutter.embedding.android.FlutterActivity
 class MainActivity : FlutterActivity()
@@ -0,0 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="?android:colorBackground" />
    <!-- You can insert your own image assets here -->
    <!-- <item>
        <bitmap
            android:gravity="center"
            android:src="@mipmap/launch_image" />
    </item> -->
 </layer-list>
@@ -0,0 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Modify this file to customize your launch splash screen -->
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@android:color/white" />
    <!-- You can insert your own image assets here -->
    <!-- <item>
        <bitmap
            android:gravity="center"
            android:src="@mipmap/launch_image" />
    </item> -->
 </layer-list>
@@ -0,0 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
        <!-- Show a splash screen on the activity. Automatically removed when
             the Flutter engine draws its first frame -->
        <item name="android:windowBackground">@drawable/launch_background</item>
    </style>
    <!-- Theme applied to the Android Window as soon as the process has started.
         This theme determines the color of the Android Window while your
         Flutter UI initializes, as well as behind your Flutter UI while its
         running.
         This Theme is only used starting with V2 of Flutter's Android embedding. -->
    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
        <item name="android:windowBackground">?android:colorBackground</item>
    </style>
 </resources>
@@ -0,0 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
        <!-- Show a splash screen on the activity. Automatically removed when
             the Flutter engine draws its first frame -->
        <item name="android:windowBackground">@drawable/launch_background</item>
    </style>
    <!-- Theme applied to the Android Window as soon as the process has started.
         This theme determines the color of the Android Window while your
         Flutter UI initializes, as well as behind your Flutter UI while its
         running.
         This Theme is only used starting with V2 of Flutter's Android embedding. -->
    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
        <item name="android:windowBackground">?android:colorBackground</item>
    </style>
 </resources>
@@ -0,0 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- The INTERNET permission is required for development. Specifically,
         the Flutter tool needs it to communicate with the running application
         to allow setting breakpoints, to provide hot reload, etc.
    -->
    <uses-permission android:name="android.permission.INTERNET"/>
 </manifest>
@@ -0,0 +1,24 @@
 allprojects {
    repositories {
        google()
        mavenCentral()
    }
 }
 val newBuildDir: Directory =
    rootProject.layout.buildDirectory
        .dir("../../build")
        .get()
 rootProject.layout.buildDirectory.value(newBuildDir)
 subprojects {
    val newSubprojectBuildDir: Directory = newBuildDir.dir(project.name)
    project.layout.buildDirectory.value(newSubprojectBuildDir)
 }
 subprojects {
    project.evaluationDependsOn(":app")
 }
 tasks.register<Delete>("clean") {
    delete(rootProject.layout.buildDirectory)
 }
@@ -0,0 +1,6 @@
 org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 # This newDsl flag was added by the Flutter template
 android.newDsl=false
 # This builtInKotlin flag was added by the Flutter template
 android.builtInKotlin=false
@@ -0,0 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-all.zip
@@ -0,0 +1,26 @@
 pluginManagement {
    val flutterSdkPath =
        run {
            val properties = java.util.Properties()
            file("local.properties").inputStream().use { properties.load(it) }
            val flutterSdkPath = properties.getProperty("flutter.sdk")
            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
            flutterSdkPath
        }
    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
    repositories {
        google()
        mavenCentral()
        gradlePluginPortal()
    }
 }
 plugins {
    id("dev.flutter.flutter-plugin-loader") version "1.0.0"
    id("com.android.application") version "9.0.1" apply false
    id("org.jetbrains.kotlin.android") version "2.3.20" apply false
 }
 include(":app")
@@ -0,0 +1,3 @@
 vision:
  provider: google
  model: gemini-2.5-flash
@@ -0,0 +1,34 @@
 **/dgph
 *.mode1v3
 *.mode2v3
 *.moved-aside
 *.pbxuser
 *.perspectivev3
 **/*sync/
 .sconsign.dblite
 .tags*
 **/.vagrant/
 **/DerivedData/
 Icon?
 **/Pods/
 **/.symlinks/
 profile
 xcuserdata
 **/.generated/
 Flutter/App.framework
 Flutter/Flutter.framework
 Flutter/Flutter.podspec
 Flutter/Generated.xcconfig
 Flutter/ephemeral/
 Flutter/app.flx
 Flutter/app.zip
 Flutter/flutter_assets/
 Flutter/flutter_export_environment.sh
 ServiceDefinitions.json
 Runner/GeneratedPluginRegistrant.*
 # Exceptions to above rules.
 !default.mode1v3
 !default.mode2v3
 !default.pbxuser
 !default.perspectivev3
@@ -0,0 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
  <key>CFBundleDevelopmentRegion</key>
  <string>en</string>
  <key>CFBundleExecutable</key>
  <string>App</string>
  <key>CFBundleIdentifier</key>
  <string>io.flutter.flutter.app</string>
  <key>CFBundleInfoDictionaryVersion</key>
  <string>6.0</string>
  <key>CFBundleName</key>
  <string>App</string>
  <key>CFBundlePackageType</key>
  <string>FMWK</string>
  <key>CFBundleShortVersionString</key>
  <string>1.0</string>
  <key>CFBundleSignature</key>
  <string>????</string>
  <key>CFBundleVersion</key>
  <string>1.0</string>
 </dict>
 </plist>
@@ -0,0 +1,2 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"
@@ -0,0 +1,2 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"
@@ -0,0 +1,43 @@
 # Uncomment this line to define a global platform for your project
 # platform :ios, '13.0'
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
 project 'Runner', {
  'Debug' => :debug,
  'Profile' => :release,
  'Release' => :release,
 }
 def flutter_root
  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
  unless File.exist?(generated_xcode_build_settings_path)
    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
  end
  File.foreach(generated_xcode_build_settings_path) do |line|
    matches = line.match(/FLUTTER_ROOT\=(.*)/)
    return matches[1].strip if matches
  end
  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
 end
 require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
 flutter_ios_podfile_setup
 target 'Runner' do
  use_frameworks!
  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
  target 'RunnerTests' do
    inherit! :search_paths
  end
 end
 post_install do |installer|
  installer.pods_project.targets.each do |target|
    flutter_additional_ios_build_settings(target)
  end
 end
@@ -0,0 +1,644 @@
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@@ -0,0 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>IDEDidComputeMac32BitWarning</key>
 	<true/>
 </dict>
 </plist>
@@ -0,0 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>PreviewsEnabled</key>
 	<false/>
 </dict>
 </plist>
@@ -0,0 +1,119 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
   LastUpgradeVersion = "1510"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
      buildImplicitDependencies = "YES">
      <PreActions>
         <ExecutionAction
            ActionType = "Xcode.IDEStandardExecutionActionsCore.ExecutionActionType.ShellScriptAction">
            <ActionContent
               title = "Run Prepare Flutter Framework Script"
               scriptText = "/bin/sh &quot;$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh&quot; prepare&#10;">
               <EnvironmentBuildable>
                  <BuildableReference
                     BuildableIdentifier = "primary"
                     BlueprintIdentifier = "97C146ED1CF9000F007C117D"
                     BuildableName = "Runner.app"
                     BlueprintName = "Runner"
                     ReferencedContainer = "container:Runner.xcodeproj">
                  </BuildableReference>
               </EnvironmentBuildable>
            </ActionContent>
         </ExecutionAction>
      </PreActions>
      <BuildActionEntries>
         <BuildActionEntry
            buildForTesting = "YES"
            buildForRunning = "YES"
            buildForProfiling = "YES"
            buildForArchiving = "YES"
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
               BuildableName = "Runner.app"
               BlueprintName = "Runner"
               ReferencedContainer = "container:Runner.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
      </BuildActionEntries>
   </BuildAction>
   <TestAction
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
      shouldUseLaunchSchemeArgsEnv = "YES">
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
            BuildableName = "Runner.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
      <Testables>
         <TestableReference
            skipped = "NO"
            parallelizable = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
               BlueprintIdentifier = "331C8080294A63A400263BE5"
               BuildableName = "RunnerTests.xctest"
               BlueprintName = "RunnerTests"
               ReferencedContainer = "container:Runner.xcodeproj">
            </BuildableReference>
         </TestableReference>
      </Testables>
   </TestAction>
   <LaunchAction
      buildConfiguration = "Debug"
      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      customLLDBInitFile = "$(SRCROOT)/Flutter/ephemeral/flutter_lldbinit"
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
      debugDocumentVersioning = "YES"
      debugServiceExtension = "internal"
      enableGPUValidationMode = "1"
      allowLocationSimulation = "YES">
      <BuildableProductRunnable
         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
            BuildableName = "Runner.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
   </LaunchAction>
   <ProfileAction
      buildConfiguration = "Profile"
      shouldUseLaunchSchemeArgsEnv = "YES"
      savedToolIdentifier = ""
      useCustomWorkingDirectory = "NO"
      debugDocumentVersioning = "YES">
      <BuildableProductRunnable
         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
            BuildableName = "Runner.app"
            BlueprintName = "Runner"
            ReferencedContainer = "container:Runner.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
   </ProfileAction>
   <AnalyzeAction
      buildConfiguration = "Debug">
   </AnalyzeAction>
   <ArchiveAction
      buildConfiguration = "Release"
      revealArchiveInOrganizer = "YES">
   </ArchiveAction>
 </Scheme>
@@ -0,0 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Workspace
   version = "1.0">
   <FileRef
      location = "group:Runner.xcodeproj">
   </FileRef>
 </Workspace>
@@ -0,0 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>IDEDidComputeMac32BitWarning</key>
 	<true/>
 </dict>
 </plist>
@@ -0,0 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>PreviewsEnabled</key>
 	<false/>
 </dict>
 </plist>
@@ -0,0 +1,16 @@
 import Flutter
 import UIKit
@main
@objc class AppDelegate: FlutterAppDelegate, FlutterImplicitEngineDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
  func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {
    GeneratedPluginRegistrant.register(with: engineBridge.pluginRegistry)
  }
 }
@@ -0,0 +1,122 @@
 {
  "images" : [
    {
      "size" : "20x20",
      "idiom" : "iphone",
      "filename" : "Icon-App-20x20@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "20x20",
      "idiom" : "iphone",
      "filename" : "Icon-App-20x20@3x.png",
      "scale" : "3x"
    },
    {
      "size" : "29x29",
      "idiom" : "iphone",
      "filename" : "Icon-App-29x29@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "29x29",
      "idiom" : "iphone",
      "filename" : "Icon-App-29x29@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "29x29",
      "idiom" : "iphone",
      "filename" : "Icon-App-29x29@3x.png",
      "scale" : "3x"
    },
    {
      "size" : "40x40",
      "idiom" : "iphone",
      "filename" : "Icon-App-40x40@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "40x40",
      "idiom" : "iphone",
      "filename" : "Icon-App-40x40@3x.png",
      "scale" : "3x"
    },
    {
      "size" : "60x60",
      "idiom" : "iphone",
      "filename" : "Icon-App-60x60@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "60x60",
      "idiom" : "iphone",
      "filename" : "Icon-App-60x60@3x.png",
      "scale" : "3x"
    },
    {
      "size" : "20x20",
      "idiom" : "ipad",
      "filename" : "Icon-App-20x20@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "20x20",
      "idiom" : "ipad",
      "filename" : "Icon-App-20x20@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "29x29",
      "idiom" : "ipad",
      "filename" : "Icon-App-29x29@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "29x29",
      "idiom" : "ipad",
      "filename" : "Icon-App-29x29@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "40x40",
      "idiom" : "ipad",
      "filename" : "Icon-App-40x40@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "40x40",
      "idiom" : "ipad",
      "filename" : "Icon-App-40x40@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "76x76",
      "idiom" : "ipad",
      "filename" : "Icon-App-76x76@1x.png",
      "scale" : "1x"
    },
    {
      "size" : "76x76",
      "idiom" : "ipad",
      "filename" : "Icon-App-76x76@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "83.5x83.5",
      "idiom" : "ipad",
      "filename" : "Icon-App-83.5x83.5@2x.png",
      "scale" : "2x"
    },
    {
      "size" : "1024x1024",
      "idiom" : "ios-marketing",
      "filename" : "Icon-App-1024x1024@1x.png",
      "scale" : "1x"
    }
  ],
  "info" : {
    "version" : 1,
    "author" : "xcode"
  }
 }
@@ -0,0 +1,23 @@
 {
  "images" : [
    {
      "idiom" : "universal",
      "filename" : "LaunchImage.png",
      "scale" : "1x"
    },
    {
      "idiom" : "universal",
      "filename" : "LaunchImage@2x.png",
      "scale" : "2x"
    },
    {
      "idiom" : "universal",
      "filename" : "LaunchImage@3x.png",
      "scale" : "3x"
    }
  ],
  "info" : {
    "version" : 1,
    "author" : "xcode"
  }
 }
@@ -0,0 +1,5 @@
 # Launch Screen Assets
 You can customize the launch screen with your own desired assets by replacing the image files in this directory.
 You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.
@@ -0,0 +1,37 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
    <dependencies>
        <deployment identifier="iOS"/>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
    </dependencies>
    <scenes>
        <!--View Controller-->
        <scene sceneID="EHf-IW-A2E">
            <objects>
                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
                    <layoutGuides>
                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
                    </layoutGuides>
                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                        <subviews>
                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
                            </imageView>
                        </subviews>
                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                        <constraints>
                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
                        </constraints>
                    </view>
                </viewController>
                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
            </objects>
            <point key="canvasLocation" x="53" y="375"/>
        </scene>
    </scenes>
    <resources>
        <image name="LaunchImage" width="168" height="185"/>
    </resources>
 </document>
@@ -0,0 +1,26 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
    <dependencies>
        <deployment identifier="iOS"/>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
    </dependencies>
    <scenes>
        <!--Flutter View Controller-->
        <scene sceneID="tne-QT-ifu">
            <objects>
                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
                    <layoutGuides>
                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
                    </layoutGuides>
                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
                    </view>
                </viewController>
                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
            </objects>
        </scene>
    </scenes>
 </document>
@@ -0,0 +1,70 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
 	<key>CADisableMinimumFrameDurationOnPhone</key>
 	<true/>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>
 	<string>Melo App</string>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
 	<string>melo_app</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
 	<string>$(FLUTTER_BUILD_NAME)</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
 		<key>UIApplicationSupportsMultipleScenes</key>
 		<false/>
 		<key>UISceneConfigurations</key>
 		<dict>
 			<key>UIWindowSceneSessionRoleApplication</key>
 			<array>
 				<dict>
 					<key>UISceneClassName</key>
 					<string>UIWindowScene</string>
 					<key>UISceneConfigurationName</key>
 					<string>flutter</string>
 					<key>UISceneDelegateClassName</key>
 					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
 					<key>UISceneStoryboardFile</key>
 					<string>Main</string>
 				</dict>
 			</array>
 		</dict>
 	</dict>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>
 	<string>Main</string>
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 	<key>UISupportedInterfaceOrientations~ipad</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 </dict>
 </plist>
@@ -0,0 +1 @@
 #import "GeneratedPluginRegistrant.h"
@@ -0,0 +1,6 @@
 import Flutter
 import UIKit
 class SceneDelegate: FlutterSceneDelegate {
 }
@@ -0,0 +1,12 @@
 import Flutter
 import UIKit
 import XCTest
 class RunnerTests: XCTestCase {
  func testExample() {
    // If you add code to the Runner application, consider adding tests here.
    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
  }
 }
@@ -0,0 +1,237 @@
 import 'package:sqflite/sqflite.dart';
 import 'package:path/path.dart' as p;
 import '../models/song.dart';
 import '../models/tag.dart';
 class DbHelper {
  static final DbHelper _instanz = DbHelper._();
  factory DbHelper() => _instanz;
  DbHelper._();
  Database? _db;
  Future<Database> get db async {
    if (_db != null) return _db!;
    _db = await _init();
    return _db!;
  }
  Future<Database> _init() async {
    final pfad = await getDatabasesPath();
    return openDatabase(
      p.join(pfad, 'melo.db'),
      version: 1,
      onCreate: (db, version) async {
        await db.execute('''
          CREATE TABLE songs (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            titel TEXT NOT NULL,
            kuenstler TEXT NOT NULL,
            album TEXT DEFAULT '',
            dauer_sekunden INTEGER NOT NULL,
            datei_pfad TEXT NOT NULL UNIQUE,
            cover_pfad TEXT,
            groesse_bytes INTEGER DEFAULT 0,
            ist_heruntergeladen INTEGER DEFAULT 0,
            hinzugefuegt_am TEXT NOT NULL,
            download_quelle TEXT DEFAULT 'local',
            zuletzt_position INTEGER
          )
        ''');
        await db.execute('''
          CREATE TABLE tags (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            name TEXT NOT NULL UNIQUE,
            icon TEXT,
            farbe_hex TEXT
          )
        ''');
        await db.execute('''
          CREATE TABLE song_tags (
            song_id INTEGER NOT NULL,
            tag_id INTEGER NOT NULL,
            PRIMARY KEY (song_id, tag_id),
            FOREIGN KEY (song_id) REFERENCES songs(id) ON DELETE CASCADE,
            FOREIGN KEY (tag_id) REFERENCES tags(id) ON DELETE CASCADE
          )
        ''');
        await db.execute('''
          CREATE TABLE playlists (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            name TEXT NOT NULL,
            erstellt_am TEXT NOT NULL
          )
        ''');
        await db.execute('''
          CREATE TABLE playlist_songs (
            playlist_id INTEGER NOT NULL,
            song_id INTEGER NOT NULL,
            position INTEGER NOT NULL,
            PRIMARY KEY (playlist_id, song_id),
            FOREIGN KEY (playlist_id) REFERENCES playlists(id) ON DELETE CASCADE,
            FOREIGN KEY (song_id) REFERENCES songs(id) ON DELETE CASCADE
          )
        ''');
        await db.execute('''
          CREATE TABLE wiedergabe_verlauf (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            song_id INTEGER NOT NULL,
            position INTEGER DEFAULT 0,
            zuletzt_abgespielt TEXT NOT NULL,
            FOREIGN KEY (song_id) REFERENCES songs(id) ON DELETE CASCADE
          )
        ''');
      },
    );
  }
  // ─── Songs ──────────────────────────────────────
  Future<int> songEinfuegen(Song song) async {
    final d = await db;
    return d.insert('songs', song.toMap(),
      conflictAlgorithm: ConflictAlgorithm.ignore);
  }
  Future<void> songsEinfuegen(List<Song> songs) async {
    final d = await db;
    final batch = d.batch();
    for (final song in songs) {
      batch.insert('songs', song.toMap(),
        conflictAlgorithm: ConflictAlgorithm.ignore);
    }
    await batch.commit(noResult: true);
  }
  Future<List<Song>> alleSongs() async {
    final d = await db;
    final rows = await d.query('songs', orderBy: 'hinzugefuegt_am DESC');
    return rows.map((r) => Song.fromMap(r)).toList();
  }
  Future<Song?> songNachId(int id) async {
    final d = await db;
    final rows = await d.query('songs', where: 'id = ?', whereArgs: [id]);
    if (rows.isEmpty) return null;
    return Song.fromMap(rows.first);
  }
  Future<Song?> songNachPfad(String pfad) async {
    final d = await db;
    final rows = await d.query('songs', where: 'datei_pfad = ?', whereArgs: [pfad]);
    if (rows.isEmpty) return null;
    return Song.fromMap(rows.first);
  }
  Future<void> positionAktualisieren(int songId, int position) async {
    final d = await db;
    await d.update('songs', {'zuletzt_position': position},
      where: 'id = ?', whereArgs: [songId]);
    final rows = await d.update('wiedergabe_verlauf',
      {'position': position, 'zuletzt_abgespielt': DateTime.now().toIso8601String()},
      where: 'song_id = ?', whereArgs: [songId]);
    if (rows == 0) {
      await d.insert('wiedergabe_verlauf', {
        'song_id': songId,
        'position': position,
        'zuletzt_abgespielt': DateTime.now().toIso8601String(),
      });
    }
  }
  // ─── Tags ────────────────────────────────────────
  Future<int> tagErstellen(String name, {String? icon, String? farbe}) async {
    final d = await db;
    return d.insert('tags', {
      'name': name, 'icon': icon, 'farbe_hex': farbe,
    }, conflictAlgorithm: ConflictAlgorithm.ignore);
  }
  Future<List<Tag>> alleTags() async {
    final d = await db;
    final rows = await d.query('tags', orderBy: 'name');
    return rows.map((r) => Tag.fromMap(r)).toList();
  }
  Future<void> songTagHinzufuegen(int songId, int tagId) async {
    final d = await db;
    await d.insert('song_tags', {'song_id': songId, 'tag_id': tagId},
      conflictAlgorithm: ConflictAlgorithm.ignore);
  }
  Future<List<Tag>> tagsFuerSong(int songId) async {
    final d = await db;
    final rows = await d.rawQuery('''
      SELECT t.* FROM tags t
      JOIN song_tags st ON t.id = st.tag_id
      WHERE st.song_id = ?
    ''', [songId]);
    return rows.map((r) => Tag.fromMap(r)).toList();
  }
  // ─── Playlists ───────────────────────────────────
  Future<int> playlistErstellen(String name) async {
    final d = await db;
    return d.insert('playlists', {
      'name': name,
      'erstellt_am': DateTime.now().toIso8601String(),
    });
  }
  Future<void> songZurPlaylist(int playlistId, int songId, int position) async {
    final d = await db;
    await d.insert('playlist_songs', {
      'playlist_id': playlistId,
      'song_id': songId,
      'position': position,
    });
  }
  Future<List<Map<String, dynamic>>> allePlaylists() async {
    final d = await db;
    return d.query('playlists', orderBy: 'erstellt_am DESC');
  }
  Future<void> songAusPlaylistEntfernen(int playlistId, int songId) async {
    final d = await db;
    await d.delete('playlist_songs',
      where: 'playlist_id = ? AND song_id = ?',
      whereArgs: [playlistId, songId]);
  }
  Future<void> metadatenAktualisieren(int songId, {String? titel, String? kuenstler, String? album}) async {
    final d = await db;
    final update = <String, dynamic>{};
    if (titel != null) update['titel'] = titel;
    if (kuenstler != null) update['kuenstler'] = kuenstler;
    if (album != null) update['album'] = album;
    if (update.isNotEmpty) {
      await d.update('songs', update, where: 'id = ?', whereArgs: [songId]);
    }
  }
  Future<List<Song>> songsDerPlaylist(int playlistId) async {
    final d = await db;
    final rows = await d.rawQuery('''
      SELECT s.* FROM songs s
      JOIN playlist_songs ps ON s.id = ps.song_id
      WHERE ps.playlist_id = ?
      ORDER BY ps.position
    ''', [playlistId]);
    return rows.map((r) => Song.fromMap(r)).toList();
  }
  Future<void> loeschen() async {
    final d = await db;
    await d.transaction((txn) async {
      await txn.delete('wiedergabe_verlauf');
      await txn.delete('song_tags');
      await txn.delete('playlist_songs');
      await txn.delete('playlists');
      await txn.delete('tags');
      await txn.delete('songs');
    });
  }
 }
@@ -0,0 +1,34 @@
 import 'package:flutter/material.dart';
 import 'database/db_helper.dart';
 import 'services/favoriten_service.dart';
 import 'utils/farb_theme.dart';
 import 'screens/home_screen.dart';
 void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  try {
    await DbHelper().db;
    await FavoritenService().init();
  } catch (e, stack) {
    debugPrint('Start-Fehler: $e\n$stack');
  }
  runApp(const MeloApp());
 }
 class MeloApp extends StatelessWidget {
  const MeloApp({super.key});
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Melo',
      debugShowCheckedModeBanner: false,
      theme: MeloTheme.theme,
      home: const Scaffold(body: MeloHome()),
    );
  }
 }
@@ -0,0 +1,70 @@
 class Song {
  final int? id;
  final String titel;
  final String kuenstler;
  final String album;
  final int dauerSekunden;
  final String dateiPfad;
  final String? coverPfad;
  final int groesseBytes;
  final bool istHeruntergeladen;
  final String hinzugefuegtAm;
  final String downloadQuelle; // "local", "youtube"
  int? zuletztPosition; // Sekunden, für Wiederaufnahme
  Song({
    this.id,
    required this.titel,
    required this.kuenstler,
    this.album = '',
    required this.dauerSekunden,
    required this.dateiPfad,
    this.coverPfad,
    this.groesseBytes = 0,
    this.istHeruntergeladen = false,
    String? hinzugefuegtAm,
    this.downloadQuelle = 'local',
    this.zuletztPosition,
  }) : hinzugefuegtAm = hinzugefuegtAm ?? DateTime.now().toIso8601String();
  Map<String, dynamic> toMap() => {
    'id': id,
    'titel': titel,
    'kuenstler': kuenstler,
    'album': album,
    'dauer_sekunden': dauerSekunden,
    'datei_pfad': dateiPfad,
    'cover_pfad': coverPfad,
    'groesse_bytes': groesseBytes,
    'ist_heruntergeladen': istHeruntergeladen ? 1 : 0,
    'hinzugefuegt_am': hinzugefuegtAm,
    'download_quelle': downloadQuelle,
    'zuletzt_position': zuletztPosition,
  };
  factory Song.fromMap(Map<String, dynamic> m) => Song(
    id: m['id'] as int?,
    titel: m['titel'] as String,
    kuenstler: m['kuenstler'] as String,
    album: m['album'] as String? ?? '',
    dauerSekunden: m['dauer_sekunden'] as int,
    dateiPfad: m['datei_pfad'] as String,
    coverPfad: m['cover_pfad'] as String?,
    groesseBytes: m['groesse_bytes'] as int? ?? 0,
    istHeruntergeladen: (m['ist_heruntergeladen'] as int?) == 1,
    hinzugefuegtAm: m['hinzugefuegt_am'] as String?,
    downloadQuelle: m['download_quelle'] as String? ?? 'local',
    zuletztPosition: m['zuletzt_position'] as int?,
  );
  String get dauerFormatiert {
    final min = dauerSekunden ~/ 60;
    final sek = dauerSekunden % 60;
    return '$min:${sek.toString().padLeft(2, '0')}';
  }
  String get groesseFormatiert {
    if (groesseBytes < 1048576) return '${(groesseBytes / 1024).toStringAsFixed(0)} KB';
    return '${(groesseBytes / 1048576).toStringAsFixed(1)} MB';
  }
 }
@@ -0,0 +1,22 @@
 class Tag {
  final int? id;
  final String name;
  final String? icon;
  final String? farbeHex;
  Tag({this.id, required this.name, this.icon, this.farbeHex});
  Map<String, dynamic> toMap() => {
    'id': id,
    'name': name,
    'icon': icon,
    'farbe_hex': farbeHex,
  };
  factory Tag.fromMap(Map<String, dynamic> m) => Tag(
    id: m['id'] as int?,
    name: m['name'] as String,
    icon: m['icon'] as String?,
    farbeHex: m['farbe_hex'] as String?,
  );
 }
@@ -0,0 +1,392 @@
 import 'package:flutter/material.dart';
 import 'dart:async';
 import '../database/db_helper.dart';
 import '../services/player_service.dart';
 import '../services/musik_scanner.dart';
 import '../services/favoriten_service.dart';
 import '../services/download_service.dart';
 import '../models/song.dart';
 import '../utils/farb_theme.dart';
 import '../widgets/mini_player.dart';
 import '../widgets/melo_header.dart';
 import '../widgets/statistik_card.dart';
 import '../widgets/tag_leiste.dart';
 import '../widgets/song_tile.dart';
 class MeloHome extends StatefulWidget {
  const MeloHome({super.key});
  @override
  State<MeloHome> createState() => _MeloHomeState();
 }
 class _MeloHomeState extends State<MeloHome> {
  final PlayerService _player = PlayerService();
  final DbHelper _db = DbHelper();
  final FavoritenService _favoriten = FavoritenService();
  final MusikScanner _scanner = MusikScanner();
  final DownloadService _downloader = DownloadService();
  List<Song> _songs = [];
  String _aktiverTag = 'Alle';
  bool _ladt = true;
  Set<int> _favoritenIds = {};
  final List<Map<String, String>> _beispielTags = [
    {'name': 'Alle', 'icon': ''},
    {'name': '❤️ Für uns', 'icon': '❤️'},
    {'name': 'Nightcore', 'icon': '⚡'},
    {'name': 'Traurig', 'icon': '😢'},
    {'name': 'Party', 'icon': '🎉'},
    {'name': 'Mitsingen', 'icon': '🎤'},
    {'name': '2000er', 'icon': '📀'},
  ];
  @override
  void initState() {
    super.initState();
    _ladeSongs();
  }
  List<Song> get _gefilterteSongs {
    if (_aktiverTag == 'Alle') return _songs;
    return _songs.where((s) =>
      s.titel.contains(_aktiverTag) ||
      s.kuenstler.contains(_aktiverTag)
    ).toList();
  }
  Future<void> _ladeSongs() async {
    setState(() => _ladt = true);
    var songs = await _db.alleSongs();
    if (songs.isEmpty) {
      final beispiele = [
        Song(titel: 'Leichtes Gepäck', kuenstler: 'Silbermond', album: 'Schritte',
          dauerSekunden: 232, dateiPfad: '', groesseBytes: 5242880, istHeruntergeladen: true),
        Song(titel: 'Auf uns', kuenstler: 'Andreas Bourani', album: 'Hey',
          dauerSekunden: 241, dateiPfad: '', groesseBytes: 4819200, istHeruntergeladen: true),
        Song(titel: '80 Millionen', kuenstler: 'Max Giesinger', album: 'Der Junge',
          dauerSekunden: 225, dateiPfad: '', groesseBytes: 5107200, istHeruntergeladen: true),
        Song(titel: 'Tage wie diese', kuenstler: 'Die Toten Hosen', album: 'Ballast',
          dauerSekunden: 252, dateiPfad: '', groesseBytes: 4300800, istHeruntergeladen: true),
        Song(titel: 'Atlantis', kuenstler: 'Frida Gold', album: 'Liebe',
          dauerSekunden: 228, dateiPfad: '', groesseBytes: 3987200, istHeruntergeladen: true),
      ];
      await _db.songsEinfuegen(beispiele);
      songs = await _db.alleSongs();
    }
    final favoritenSet = await _favoriten.favoritenIds();
    if (mounted) {
      setState(() {
        _songs = songs;
        _favoritenIds = favoritenSet;
        _ladt = false;
      });
    }
  }
  Future<void> _zeigeSuche() async {
    final controller = TextEditingController();
    final ergebnis = await showDialog<String>(
      context: context,
      builder: (ctx) => AlertDialog(
        backgroundColor: MeloTheme.dunkel1,
        title: const Text('🔍 Song suchen', style: TextStyle(color: Colors.white, fontSize: 18)),
        content: TextField(
          controller: controller,
          autofocus: true,
          style: const TextStyle(color: Colors.white),
          decoration: const InputDecoration(
            hintText: 'Titel oder Künstler...',
            hintStyle: TextStyle(color: Colors.grey),
            border: OutlineInputBorder(),
          ),
        ),
        actions: [
          TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Abbrechen')),
          TextButton(
            onPressed: () => Navigator.pop(ctx, controller.text),
            child: const Text('Suchen', style: TextStyle(color: MeloTheme.rot)),
          ),
        ],
      ),
    );
    if (ergebnis == null || ergebnis.isEmpty) return;
    final gefiltert = _songs.where((s) =>
      s.titel.toLowerCase().contains(ergebnis.toLowerCase()) ||
      s.kuenstler.toLowerCase().contains(ergebnis.toLowerCase())
    ).toList();
    if (!mounted) return;
    showDialog(
      context: context,
      builder: (ctx) => AlertDialog(
        backgroundColor: MeloTheme.dunkel1,
        title: Text('🔍 ${gefiltert.length} Treffer', style: const TextStyle(color: Colors.white)),
        content: SizedBox(
          width: double.maxFinite,
          height: 300,
          child: gefiltert.isEmpty
            ? const Center(child: Text('Keine Treffer', style: TextStyle(color: Colors.grey)))
            : ListView.builder(
                itemCount: gefiltert.length,
                itemBuilder: (_, i) => ListTile(
                  leading: Container(
                    width: 36, height: 36,
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(8),
                      gradient: const LinearGradient(colors: [Color(0xFF1A0000), Color(0xFF660000)]),
                    ),
                    child: const Center(child: Text('♪', style: TextStyle(fontSize: 14, color: Colors.white54))),
                  ),
                  title: Text(gefiltert[i].titel, style: const TextStyle(color: Colors.white)),
                  subtitle: Text(gefiltert[i].kuenstler, style: const TextStyle(color: Colors.grey)),
                  onTap: () { Navigator.pop(ctx); _spieleSong(gefiltert[i]); },
                ),
              ),
        ),
        actions: [TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Schließen'))],
      ),
    );
  }
  Future<void> _scanMusik() async {
    final erlaubt = await _scanner.frageSpeicherZugriff();
    if (!erlaubt) {
      if (mounted) {
        ScaffoldMessenger.of(context).showSnackBar(
          const SnackBar(content: Text('Bitte Speicherzugriff erlauben')),
        );
      }
      return;
    }
    await _scanner.scanneMusikOrdner();
    if (mounted) {
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text('Scannen fertig: ${_scanner.anzahlNeueSongs} neue Songs gefunden')),
      );
      await _ladeSongs();
    }
  }
  Future<void> _zeigeDownloadDialog() async {
    final controller = TextEditingController();
    final url = await showDialog<String>(
      context: context,
      builder: (ctx) => AlertDialog(
        backgroundColor: MeloTheme.dunkel1,
        title: const Text('⬇ YouTube-Link einfügen', style: TextStyle(color: Colors.white)),
        content: TextField(
          controller: controller,
          autofocus: true,
          style: const TextStyle(color: Colors.white),
          decoration: const InputDecoration(
            hintText: 'https://youtube.com/watch?v=...',
            hintStyle: TextStyle(color: Colors.grey),
            border: OutlineInputBorder(),
          ),
        ),
        actions: [
          TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Abbrechen')),
          TextButton(
            onPressed: () => Navigator.pop(ctx, controller.text),
            child: const Text('Download', style: TextStyle(color: MeloTheme.rot)),
          ),
        ],
      ),
    );
    if (url == null || url.isEmpty) return;
    if (!mounted) return;
    showDialog(
      context: context,
      barrierDismissible: false,
      builder: (ctx) {
        Timer? timer;
        return StatefulBuilder(
          builder: (ctx, setDialogState) {
            timer ??= Timer.periodic(const Duration(milliseconds: 200), (_) {
              if (ctx.mounted) setDialogState(() {});
            });
            _downloader.downloadVonUrl(url).then((song) {
              timer?.cancel();
              if (song != null && ctx.mounted) {
                setDialogState(() {});
                Future.delayed(const Duration(milliseconds: 800), () {
                  if (ctx.mounted) Navigator.pop(ctx);
                  _ladeSongs();
                });
              } else if (ctx.mounted) {
                Future.delayed(const Duration(seconds: 3), () {
                  if (ctx.mounted) Navigator.pop(ctx);
                });
              }
            });
            final fehler = _downloader.fehler;
            final fortschritt = _downloader.fortschritt;
            final statusText = fehler ?? _downloader.aktuellerTitel ?? 'Song wird heruntergeladen...';
            return AlertDialog(
              backgroundColor: MeloTheme.dunkel1,
              title: const Text('⬇ Download', style: TextStyle(color: Colors.white)),
              content: Column(
                mainAxisSize: MainAxisSize.min,
                children: [
                  if (fehler == null)
                    LinearProgressIndicator(
                      value: fortschritt > 0 ? fortschritt : null,
                      color: MeloTheme.rot,
                    )
                  else
                    const Icon(Icons.error, color: Colors.red, size: 40),
                  const SizedBox(height: 12),
                  Text(statusText,
                    style: TextStyle(fontSize: 13, color: fehler != null ? Colors.red : Colors.white70),
                    textAlign: TextAlign.center,
                  ),
                  if (fortschritt > 0) ...[
                    const SizedBox(height: 8),
                    Text('${(fortschritt * 100).toStringAsFixed(0)}%',
                      style: const TextStyle(fontSize: 12, color: Colors.grey)),
                  ],
                ],
              ),
            );
          },
        );
      },
    );
  }
  void _spieleSong(Song song) {
    _player.setWarteschlange(_songs,
      startIndex: _songs.indexWhere((s) => s.id == song.id));
    _player.spiele(song);
  }
  Future<void> _favoritenUmschalten(Song song) async {
    if (song.id == null) return;
    await _favoriten.umschalten(song.id!);
    final aktuelleIds = await _favoriten.favoritenIds();
    if (mounted) setState(() => _favoritenIds = aktuelleIds);
  }
  @override
  Widget build(BuildContext context) {
    if (_ladt) {
      return const Scaffold(
        backgroundColor: MeloTheme.schwarz,
        body: Center(child: CircularProgressIndicator(color: MeloTheme.rot)),
      );
    }
    final gesamtMB = _songs.isEmpty ? '0'
      : (_songs.fold(0, (int s, Song song) => s + song.groesseBytes) / 1048576).toStringAsFixed(0);
    final gesamtMin = _songs.isEmpty ? 0
      : (_songs.fold(0, (int s, Song song) => s + song.dauerSekunden) / 60).round();
    return Scaffold(
      backgroundColor: MeloTheme.schwarz,
      body: SafeArea(
        child: Column(
          children: [
            MeloHeader(onDownload: _zeigeDownloadDialog, onSearch: _zeigeSuche),
            StatistikCard(
              anzahlSongs: _songs.length,
              gesamtMB: gesamtMB,
              gesamtMin: gesamtMin,
              anzahlFavoriten: _favoritenIds.length,
            ),
            TagLeiste(
              tags: _beispielTags,
              aktiverTag: _aktiverTag,
              onTagSelected: (tag) => setState(() => _aktiverTag = tag),
            ),
            Expanded(child: _songListe()),
            const MiniPlayer(),
            const SizedBox(height: 8),
          ],
        ),
      ),
      bottomNavigationBar: _bottomNav(),
    );
  }
  Widget _songListe() {
    final songs = _gefilterteSongs;
    return Column(
      children: [
        Padding(
          padding: const EdgeInsets.fromLTRB(20, 12, 20, 4),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              const Text('📂 Alle Songs', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Colors.white)),
              Row(children: [
                Text('${songs.length} Titel${_aktiverTag != 'Alle' ? ' (gefiltert)' : ''}', style: TextStyle(fontSize: 12, color: MeloTheme.rot)),
                const SizedBox(width: 8),
                GestureDetector(
                  onTap: _scanMusik,
                  child: Container(
                    padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
                    decoration: BoxDecoration(
                      border: Border.all(color: MeloTheme.dunkel2),
                      borderRadius: BorderRadius.circular(8),
                    ),
                    child: const Row(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Icon(Icons.refresh, size: 12, color: MeloTheme.rot),
                        SizedBox(width: 4),
                        Text('Scannen', style: TextStyle(fontSize: 11, color: MeloTheme.rot)),
                      ],
                    ),
                  ),
                ),
              ]),
            ],
          ),
        ),
        Expanded(
          child: ListView.builder(
            padding: const EdgeInsets.fromLTRB(20, 4, 20, 4),
            itemCount: songs.length,
            itemBuilder: (_, i) => SongTile(
              song: songs[i],
              istFavorit: songs[i].id != null && _favoritenIds.contains(songs[i].id),
              onFavoriteToggle: _favoritenUmschalten,
              onPlay: _spieleSong,
              onMetadataChanged: _ladeSongs,
            ),
          ),
        ),
      ],
    );
  }
  Widget _bottomNav() {
    return Container(
      decoration: const BoxDecoration(
        border: Border(top: BorderSide(color: MeloTheme.dunkel1)),
      ),
      child: BottomNavigationBar(
        type: BottomNavigationBarType.fixed,
        backgroundColor: MeloTheme.schwarz,
        selectedItemColor: MeloTheme.rot,
        unselectedItemColor: MeloTheme.textSekundaer,
        items: const [
          BottomNavigationBarItem(icon: Icon(Icons.music_note, size: 22), label: 'Musik'),
          BottomNavigationBarItem(icon: Icon(Icons.download, size: 22), label: 'Downloads'),
          BottomNavigationBarItem(icon: Icon(Icons.label, size: 22), label: 'Tags'),
          BottomNavigationBarItem(icon: Icon(Icons.favorite, size: 22), label: 'Favoriten'),
          BottomNavigationBarItem(icon: Icon(Icons.settings, size: 22), label: 'Einstellungen'),
        ],
      ),
    );
  }
 }
@@ -0,0 +1,141 @@
 import 'dart:io';
 import 'package:flutter/foundation.dart';
 import 'package:youtube_explode_dart/youtube_explode_dart.dart';
 import 'package:path_provider/path_provider.dart';
 import '../models/song.dart';
 import '../database/db_helper.dart';
 class DownloadService {
  static final DownloadService _instanz = DownloadService._();
  factory DownloadService() => _instanz;
  DownloadService._();
  final YoutubeExplode _yt = YoutubeExplode();
  final DbHelper _db = DbHelper();
  bool _ladt = false;
  double _fortschritt = 0;
  String? _aktuellerTitel;
  String? _fehler;
  bool get ladt => _ladt;
  double get fortschritt => _fortschritt;
  String? get aktuellerTitel => _aktuellerTitel;
  String? get fehler => _fehler;
  void _resetStatus() {
    _ladt = true;
    _fortschritt = 0;
    _aktuellerTitel = null;
    _fehler = null;
  }
  Future<Song?> downloadVonUrl(String url) async {
    _resetStatus();
    try {
      // URL-Validierung
      if (!url.contains('youtube.com') && !url.contains('youtu.be')) {
        _fehler = 'Keine gültige YouTube-URL';
        _ladt = false;
        return null;
      }
      String titel = '';
      String kuenstler = '';
      int dauer = 0;
      // Video-Info mit Timeout
      _aktuellerTitel = 'YouTube wird kontaktiert...';
      try {
        final video = await _yt.videos.get(url).timeout(const Duration(seconds: 15));
        titel = video.title;
        kuenstler = video.author;
        dauer = video.duration?.inSeconds ?? 0;
        _aktuellerTitel = 'Video gefunden: $titel';
      } catch (e) {
        _fehler = 'Timeout/Fehler bei Video-Info: ${e.toString()}';
        debugPrint('Video-Info Fehler (vollständig): $e');
        _ladt = false;
        return null;
      }
      // Manifest abrufen
      _aktuellerTitel = 'Audio-Stream wird ermittelt... (2/4)';
      AudioStreamInfo? audio;
      try {
        final manifest = await _yt.videos.streamsClient
            .getManifest(url).timeout(const Duration(seconds: 15));
        final streams = manifest.audioOnly.toList();
        if (streams.isEmpty) {
          _fehler = 'Kein Audio-Stream verfügbar';
          _ladt = false;
          return null;
        }
        audio = streams.reduce((a, b) => a.bitrate.bitsPerSecond > b.bitrate.bitsPerSecond ? a : b);
      } catch (e) {
        _fehler = 'Stream-Fehler: ${e.toString()}';
        debugPrint('Stream Manifest Fehler (vollständig): $e');
        _ladt = false;
        return null;
      }
      // Zielpfad
      _aktuellerTitel = 'Speicher wird vorbereitet... (3/4)';
      final dir = await getApplicationDocumentsDirectory();
      final musikDir = Directory('${dir.path}/music');
      if (!await musikDir.exists()) await musikDir.create(recursive: true);
      final safeName = titel.replaceAll(RegExp(r'[^\w\s-]'), '').trim();
      final dateiName = '${safeName.isEmpty ? "song" : safeName}.mp4';
      final dateiPfad = '${musikDir.path}/$dateiName';
      // Download
      _aktuellerTitel = 'Lade herunter... (4/4)';
      try {
        final fileStream = _yt.videos.streamsClient.get(audio);
        final file = File(dateiPfad);
        final sink = file.openWrite();
        int downloaded = 0;
        final total = audio.size.totalBytes;
        await for (final chunk in fileStream) {
          sink.add(chunk);
          downloaded += chunk.length;
          _fortschritt = downloaded / total;
        }
        await sink.flush();
        await sink.close();
      } catch (e) {
        _fehler = 'Download-Fehler: ${e.toString()}';
        debugPrint('Download Stream Fehler (vollständig): $e');
        _ladt = false;
        return null;
      }
      // Song speichern
      final song = Song(
        titel: titel,
        kuenstler: kuenstler,
        album: 'YouTube',
        dauerSekunden: dauer,
        dateiPfad: dateiPfad,
        groesseBytes: await File(dateiPfad).length(),
        istHeruntergeladen: true,
        downloadQuelle: 'youtube',
      );
      await _db.songEinfuegen(song);
      _ladt = false;
      _aktuellerTitel = '✅ ${song.titel} heruntergeladen';
      return song;
    } catch (e) {
      _fehler = 'Fehler: ${e.toString()}';
      debugPrint('Download allgemeiner Fehler (vollständig): $e');
      _ladt = false;
      return null;
    }
  }
  void dispose() {
    _yt.close();
  }
 }
@@ -0,0 +1,54 @@
 import '../database/db_helper.dart';
 import '../models/song.dart';
 class FavoritenService {
  static final FavoritenService _instanz = FavoritenService._();
  factory FavoritenService() => _instanz;
  FavoritenService._();
  final DbHelper _db = DbHelper();
  int? _favoritenPlaylistId;
  int? get favoritenId => _favoritenPlaylistId;
  Future<void> init() async {
    final playlists = await _db.allePlaylists();
    final vorhanden = playlists.where((p) => p['name'] == '⭐ Favoriten').toList();
    if (vorhanden.isNotEmpty) {
      _favoritenPlaylistId = vorhanden.first['id'] as int;
    } else {
      _favoritenPlaylistId = await _db.playlistErstellen('⭐ Favoriten');
    }
  }
  Future<bool> istFavorit(int songId) async {
    if (_favoritenPlaylistId == null) return false;
    final songs = await _db.songsDerPlaylist(_favoritenPlaylistId!);
    return songs.any((s) => s.id == songId);
  }
  Future<void> umschalten(int songId) async {
    if (_favoritenPlaylistId == null) return;
    if (await istFavorit(songId)) {
      await _db.songAusPlaylistEntfernen(_favoritenPlaylistId!, songId);
    } else {
      final songs = await _db.songsDerPlaylist(_favoritenPlaylistId!);
      await _db.songZurPlaylist(_favoritenPlaylistId!, songId, songs.length);
    }
  }
  Future<List<Song>> alleFavoriten() async {
    if (_favoritenPlaylistId == null) return [];
    return _db.songsDerPlaylist(_favoritenPlaylistId!);
  }
  Future<Set<int>> favoritenIds() async {
    if (_favoritenPlaylistId == null) return {};
    final d = await _db.db;
    final rows = await d.rawQuery(
      'SELECT song_id FROM playlist_songs WHERE playlist_id = ?',
      [_favoritenPlaylistId],
    );
    return rows.map((r) => r['song_id'] as int).toSet();
  }
 }
@@ -0,0 +1,146 @@
 import 'dart:io';
 import 'package:just_audio/just_audio.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:permission_handler/permission_handler.dart';
 import '../models/song.dart';
 import '../database/db_helper.dart';
 class MusikScanner {
  static final MusikScanner _instanz = MusikScanner._();
  factory MusikScanner() => _instanz;
  MusikScanner._();
  final DbHelper _db = DbHelper();
  int _neueSongs = 0;
  int get anzahlNeueSongs => _neueSongs;
  Future<bool> frageSpeicherZugriff() async {
    final status = await Permission.audio.request();
    return status.isGranted;
  }
  Future<List<Song>> scanneMusikOrdner() async {
    _neueSongs = 0;
    final gefunden = <Song>[];
    final pfade = await _sammleMusikPfade();
    for (final pfad in pfade) {
      try {
        final file = File(pfad);
        if (!await file.exists()) continue;
        final stat = await file.stat();
        gefunden.add(Song(
          titel: _dateiNameOhneEndung(pfad),
          kuenstler: 'Unbekannt',
          album: '',
          dauerSekunden: await _ermittleDauer(pfad),
          dateiPfad: pfad,
          coverPfad: null,
          groesseBytes: stat.size,
          istHeruntergeladen: true,
          downloadQuelle: 'local',
        ));
      } catch (_) {
        // Datei nicht lesbar → überspringen
      }
    }
    // In DB speichern
    final vorhandene = await _db.alleSongs();
    final vorhandenePfade = vorhandene.map((s) => s.dateiPfad).toSet();
    final neue = gefunden.where((s) => !vorhandenePfade.contains(s.dateiPfad)).toList();
    if (neue.isNotEmpty) {
      await _db.songsEinfuegen(neue);
      _neueSongs = neue.length;
    }
    return gefunden;
  }
  Future<List<String>> _sammleMusikPfade() async {
    final pfade = <String>{};
    // Typische Musik-Ordner auf Android
    final ordner = [
      '/storage/emulated/0/Music',
      '/storage/emulated/0/Download',
      '/storage/emulated/0/Musik',
      '/storage/emulated/0/Downloads',
      '/sdcard/Music',
      '/sdcard/Download',
      '/sdcard/Musik',
    ];
    // Externe SD-Karte (falls vorhanden)
    try {
      final extern = await getExternalStorageDirectory();
      if (extern != null) {
        ordner.add(extern.path);
      }
    } catch (_) {}
    // Android Media Store (bessere Methode)
    try {
      final pfadeVonMediaStore = await _scanneViaMediaStore();
      pfade.addAll(pfadeVonMediaStore);
    } catch (_) {}
    // Fallback: Dateisystem durchsuchen
    for (final ord in ordner) {
      try {
        final dir = Directory(ord);
        if (await dir.exists()) {
          await _durchsucheOrdner(dir, pfade);
        }
      } catch (_) {}
    }
    return pfade.toList();
  }
  Future<List<String>> _scanneViaMediaStore() async {
    // Nutzt Android's MediaStore Query
    // Wird über Method Channel in native Android implementiert
    // Für v1: Fallback auf Dateisystem-Suche
    return [];
  }
  Future<void> _durchsucheOrdner(Directory dir, Set<String> pfade, {int tiefe = 0}) async {
    if (tiefe > 4) return;
    try {
      await for (final entity in dir.list(followLinks: false)) {
        if (entity is File) {
          final ext = entity.path.toLowerCase();
          if (ext.endsWith('.mp3') || ext.endsWith('.m4a') ||
              ext.endsWith('.flac') || ext.endsWith('.wav') ||
              ext.endsWith('.aac') || ext.endsWith('.ogg')) {
            pfade.add(entity.path);
          }
        } else if (entity is Directory) {
          await _durchsucheOrdner(entity, pfade, tiefe: tiefe + 1);
        }
      }
    } catch (_) {}
  }
  Future<int> _ermittleDauer(String pfad) async {
    try {
      final player = AudioPlayer();
      await player.setFilePath(pfad);
      final dauer = player.duration;
      await player.dispose();
      return dauer?.inSeconds ?? 0;
    } catch (_) {
      return 0;
    }
  }
  String _dateiNameOhneEndung(String pfad) {
    final name = pfad.split('/').last;
    final dot = name.lastIndexOf('.');
    return dot > 0 ? name.substring(0, dot) : name;
  }
 }
@@ -0,0 +1,95 @@
 import 'dart:async';
 import 'package:flutter/foundation.dart';
 import 'package:just_audio/just_audio.dart';
 import '../models/song.dart';
 class PlayerService {
  static final PlayerService _instanz = PlayerService._();
  factory PlayerService() => _instanz;
  PlayerService._();
  AudioPlayer? _player;
  final List<Song> _warteschlange = [];
  int _aktuellerIndex = -1;
  StreamSubscription<PlayerState>? _autoNextSub;
  AudioPlayer get _p {
    if (_player == null) {
      _player = AudioPlayer();
      _autoNextSub = _player!.playerStateStream.listen((state) {
        if (state.processingState == ProcessingState.completed) {
          naechstes();
        }
      });
    }
    return _player!;
  }
  Song? get aktuellerSong => _aktuellerIndex >= 0 && _aktuellerIndex < _warteschlange.length
    ? _warteschlange[_aktuellerIndex] : null;
  bool get spieltAb => _player?.playing ?? false;
  Duration get position => _player?.position ?? Duration.zero;
  Duration get dauer => _player?.duration ?? Duration.zero;
  Stream<Duration> get positionStream => _p.positionStream;
  Stream<PlayerState> get stateStream => _p.playerStateStream;
  final StreamController<Song?> _songWechsel = StreamController.broadcast();
  Stream<Song?> get onSongWechsel => _songWechsel.stream;
  Future<void> spiele(Song song, {int position = 0}) async {
    _aktuellerIndex = _warteschlange.indexWhere((s) => s.id == song.id);
    if (_aktuellerIndex < 0) {
      _warteschlange.add(song);
      _aktuellerIndex = _warteschlange.length - 1;
    }
    try {
      await _p.setFilePath(song.dateiPfad);
      if (position > 0) await _p.seek(Duration(seconds: position));
      await _p.play();
      _songWechsel.add(song);
    } catch (e) {
      debugPrint('Fehler beim Abspielen: $e');
    }
  }
  Future<void> playPause() async {
    if (_player == null) return;
    if (_p.playing) {
      await _p.pause();
    } else if (aktuellerSong != null) {
      await _p.play();
    }
  }
  Future<void> vorheriges() async {
    if (_player == null || aktuellerSong == null) return;
    final pos = _p.position;
    if (pos.inSeconds > 5) {
      await _p.seek(Duration.zero);
    } else {
      final neuerIndex = _aktuellerIndex - 1;
      if (neuerIndex >= 0) {
        await spiele(_warteschlange[neuerIndex]);
      }
    }
  }
  Future<void> naechstes() async {
    final neuerIndex = _aktuellerIndex + 1;
    if (neuerIndex < _warteschlange.length) {
      await spiele(_warteschlange[neuerIndex]);
    }
  }
  void setWarteschlange(List<Song> songs, {int startIndex = 0}) {
    _warteschlange.clear();
    _warteschlange.addAll(songs);
    _aktuellerIndex = startIndex;
  }
  void dispose() {
    _autoNextSub?.cancel();
    _player?.dispose();
    _songWechsel.close();
  }
 }
@@ -0,0 +1,45 @@
 import 'package:flutter/material.dart';
 class MeloTheme {
  static const Color rot = Color(0xFFCC0000);
  static const Color rotHell = Color(0x33CC0000);
  static const Color schwarz = Color(0xFF0D0D0D);
  static const Color dunkel1 = Color(0xFF1A1A1A);
  static const Color dunkel2 = Color(0xFF2A2A2A);
  static const Color textPrimaer = Color(0xFFFFFFFF);
  static const Color textSekundaer = Color(0xFF888888);
  static ThemeData get theme => ThemeData(
    brightness: Brightness.dark,
    scaffoldBackgroundColor: schwarz,
    colorScheme: const ColorScheme.dark(
      primary: rot,
      secondary: rot,
      surface: schwarz,
    ),
    appBarTheme: const AppBarTheme(
      backgroundColor: schwarz,
      foregroundColor: textPrimaer,
      elevation: 0,
    ),
    bottomNavigationBarTheme: const BottomNavigationBarThemeData(
      backgroundColor: schwarz,
      selectedItemColor: rot,
      unselectedItemColor: textSekundaer,
    ),
    cardTheme: CardThemeData(
      color: dunkel1,
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(14),
      ),
    ),
    chipTheme: ChipThemeData(
      backgroundColor: dunkel1,
      selectedColor: rot,
      labelStyle: const TextStyle(color: textPrimaer),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(20),
      ),
    ),
  );
 }
@@ -0,0 +1,53 @@
 import 'package:flutter/material.dart';
 import '../utils/farb_theme.dart';
 class MeloHeader extends StatelessWidget {
  final VoidCallback onDownload;
  final VoidCallback onSearch;
  const MeloHeader({super.key, required this.onDownload, required this.onSearch});
  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.fromLTRB(20, 12, 20, 4),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              ShaderMask(
                shaderCallback: (bounds) => const LinearGradient(
                  colors: [Colors.white, MeloTheme.rot],
                ).createShader(bounds),
                child: const Text('Melo', style: TextStyle(
                  fontSize: 28, fontWeight: FontWeight.w700, color: Colors.white)),
              ),
              const Text('Deine Musik. Deine Art.', style: TextStyle(fontSize: 12, color: MeloTheme.textSekundaer)),
            ],
          ),
          Row(children: [
            _btn(Icons.download, onDownload),
            const SizedBox(width: 8),
            _btn(Icons.search, onSearch),
          ]),
        ],
      ),
    );
  }
  Widget _btn(IconData icon, VoidCallback onTap) {
    return Container(
      width: 40, height: 40,
      decoration: BoxDecoration(
        color: MeloTheme.dunkel1,
        borderRadius: BorderRadius.circular(12),
      ),
      child: IconButton(
        icon: Icon(icon, size: 18, color: MeloTheme.rot),
        onPressed: onTap,
      ),
    );
  }
 }
@@ -0,0 +1,105 @@
 import 'package:flutter/material.dart';
 import '../models/song.dart';
 import '../database/db_helper.dart';
 import '../utils/farb_theme.dart';
 class MetadatenDialog extends StatefulWidget {
  final Song song;
  const MetadatenDialog({super.key, required this.song});
  @override
  State<MetadatenDialog> createState() => _MetadatenDialogState();
 }
 class _MetadatenDialogState extends State<MetadatenDialog> {
  late TextEditingController _titelCtrl;
  late TextEditingController _kuenstlerCtrl;
  late TextEditingController _albumCtrl;
  final DbHelper _db = DbHelper();
  @override
  void initState() {
    super.initState();
    _titelCtrl = TextEditingController(text: widget.song.titel);
    _kuenstlerCtrl = TextEditingController(text: widget.song.kuenstler);
    _albumCtrl = TextEditingController(text: widget.song.album);
  }
  @override
  void dispose() {
    _titelCtrl.dispose();
    _kuenstlerCtrl.dispose();
    _albumCtrl.dispose();
    super.dispose();
  }
  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      backgroundColor: MeloTheme.dunkel1,
      title: const Text('✏️ Metadaten', style: TextStyle(color: Colors.white, fontSize: 18)),
      content: SingleChildScrollView(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            _field('Titel', _titelCtrl),
            const SizedBox(height: 12),
            _field('Künstler', _kuenstlerCtrl),
            const SizedBox(height: 12),
            _field('Album', _albumCtrl),
          ],
        ),
      ),
      actions: [
        TextButton(
          onPressed: () => Navigator.pop(context, false),
          child: const Text('Abbrechen', style: TextStyle(color: Colors.white54)),
        ),
        TextButton(
          onPressed: () => _speichern(),
          child: const Text('Speichern', style: TextStyle(color: MeloTheme.rot)),
        ),
      ],
    );
  }
  Widget _field(String label, TextEditingController ctrl) {
    return TextField(
      controller: ctrl,
      style: const TextStyle(color: Colors.white),
      decoration: InputDecoration(
        labelText: label,
        labelStyle: const TextStyle(color: Colors.grey),
        border: const OutlineInputBorder(),
        focusedBorder: const OutlineInputBorder(
          borderSide: BorderSide(color: MeloTheme.rot),
        ),
      ),
    );
  }
  Future<void> _speichern() async {
    final id = widget.song.id;
    if (id == null) {
      if (mounted) Navigator.pop(context, false);
      return;
    }
    final titel = _titelCtrl.text.trim();
    final kuenstler = _kuenstlerCtrl.text.trim();
    final album = _albumCtrl.text.trim();
    if (titel.isEmpty) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text('Titel darf nicht leer sein')),
      );
      return;
    }
    await _db.metadatenAktualisieren(
      id,
      titel: titel,
      kuenstler: kuenstler,
      album: album,
    );
    if (mounted) Navigator.pop(context, true);
  }
 }
@@ -0,0 +1,145 @@
 import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:just_audio/just_audio.dart';
 import '../services/player_service.dart';
 import '../utils/farb_theme.dart';
 class MiniPlayer extends StatefulWidget {
  const MiniPlayer({super.key});
  @override
  State<MiniPlayer> createState() => _MiniPlayerState();
 }
 class _MiniPlayerState extends State<MiniPlayer> {
  final PlayerService _player = PlayerService();
  Duration _position = Duration.zero;
  Duration _dauer = Duration.zero;
  bool _spielt = false;
  StreamSubscription<Duration>? _posSub;
  StreamSubscription<PlayerState>? _stateSub;
  @override
  void initState() {
    super.initState();
    _posSub = _player.positionStream.listen((pos) {
      if (mounted) {
        setState(() => _position = pos);
      }
    });
    _stateSub = _player.stateStream.listen((state) {
      if (mounted) {
        setState(() {
          _spielt = state.playing;
          _dauer = state.processingState == ProcessingState.ready
            ? (_player.dauer) : Duration.zero;
        });
      }
    });
  }
  @override
  void dispose() {
    _posSub?.cancel();
    _stateSub?.cancel();
    super.dispose();
  }
  @override
  Widget build(BuildContext context) {
    final song = _player.aktuellerSong;
    if (song == null) return const SizedBox.shrink();
    final progress = _dauer.inSeconds > 0
      ? _position.inSeconds / _dauer.inSeconds : 0.0;
    return Container(
      margin: const EdgeInsets.symmetric(horizontal: 16),
      decoration: BoxDecoration(
        color: const Color(0xFF1A0A0A),
        borderRadius: BorderRadius.circular(16),
        border: Border.all(color: const Color(0xFF2A1515)),
      ),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Padding(
            padding: const EdgeInsets.fromLTRB(12, 10, 12, 6),
            child: Row(
              children: [
                // Cover
                ClipRRect(
                  borderRadius: BorderRadius.circular(10),
                  child: Container(
                    width: 36, height: 36,
                    color: MeloTheme.rot,
                    child: const Center(child: Text('♪', style: TextStyle(fontSize: 16))),
                  ),
                ),
                const SizedBox(width: 10),
                // Titel + Künstler
                Expanded(
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(song.titel, style: const TextStyle(fontSize: 13, fontWeight: FontWeight.w600, color: Colors.white)),
                      Text(song.kuenstler, style: const TextStyle(fontSize: 11, color: MeloTheme.textSekundaer)),
                    ],
                  ),
                ),
                // Steuerung
                _btn(Icons.skip_previous, _player.vorheriges),
                _playBtn(),
                _btn(Icons.skip_next, _player.naechstes),
              ],
            ),
          ),
          // Fortschritt
          if (_dauer.inSeconds > 0) Padding(
            padding: const EdgeInsets.fromLTRB(12, 0, 12, 8),
            child: ClipRRect(
              borderRadius: BorderRadius.circular(2),
              child: LinearProgressIndicator(
                value: progress,
                backgroundColor: const Color(0xFF2A2A2A),
                valueColor: const AlwaysStoppedAnimation(MeloTheme.rot),
                minHeight: 2,
              ),
            ),
          ),
        ],
      ),
    );
  }
  Widget _btn(IconData icon, VoidCallback onTap) {
    return Material(
      color: Colors.transparent,
      child: InkWell(
        borderRadius: BorderRadius.circular(50),
        onTap: onTap,
        child: Container(
          width: 32, height: 32,
          alignment: Alignment.center,
          child: Icon(icon, size: 18, color: Colors.white),
        ),
      ),
    );
  }
  Widget _playBtn() {
    return Material(
      color: MeloTheme.rot,
      borderRadius: BorderRadius.circular(50),
      child: InkWell(
        borderRadius: BorderRadius.circular(50),
        onTap: _player.playPause,
        child: Container(
          width: 36, height: 36,
          alignment: Alignment.center,
          child: Icon(_spielt ? Icons.pause : Icons.play_arrow, size: 20, color: Colors.white),
        ),
      ),
    );
  }
 }
@@ -0,0 +1,71 @@
 import 'package:flutter/material.dart';
 import '../models/song.dart';
 import '../utils/farb_theme.dart';
 import 'metadaten_dialog.dart';
 class SongTile extends StatelessWidget {
  final Song song;
  final bool istFavorit;
  final ValueChanged<Song> onFavoriteToggle;
  final ValueChanged<Song> onPlay;
  final VoidCallback onMetadataChanged;
  const SongTile({
    super.key,
    required this.song,
    required this.istFavorit,
    required this.onFavoriteToggle,
    required this.onPlay,
    required this.onMetadataChanged,
  });
  @override
  Widget build(BuildContext context) {
    final hatDatei = song.dateiPfad.isNotEmpty;
    return ListTile(
      contentPadding: const EdgeInsets.symmetric(vertical: 2),
      leading: Container(
        width: 44, height: 44,
        decoration: BoxDecoration(
          borderRadius: BorderRadius.circular(10),
          gradient: const LinearGradient(colors: [Color(0xFF1A0000), Color(0xFF660000)]),
        ),
        child: const Center(child: Text('♪', style: TextStyle(fontSize: 18, color: Colors.white54))),
      ),
      title: Text(song.titel, style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: Colors.white)),
      subtitle: Text(song.kuenstler, style: const TextStyle(fontSize: 12, color: MeloTheme.textSekundaer)),
      trailing: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          InkWell(
            borderRadius: BorderRadius.circular(50),
            onTap: () async {
              final geaendert = await showDialog<bool>(
                context: context,
                builder: (_) => MetadatenDialog(song: song),
              );
              if (geaendert == true) onMetadataChanged();
            },
            child: Padding(
              padding: const EdgeInsets.all(6),
              child: Icon(Icons.edit, size: 14, color: MeloTheme.textSekundaer),
            ),
          ),
          InkWell(
            borderRadius: BorderRadius.circular(50),
            onTap: () => onFavoriteToggle(song),
            child: Padding(
              padding: const EdgeInsets.all(6),
              child: Icon(
                istFavorit ? Icons.favorite : Icons.favorite_border,
                size: 16, color: MeloTheme.rot,
              ),
            ),
          ),
          Text(song.dauerFormatiert, style: const TextStyle(fontSize: 12, color: MeloTheme.textSekundaer)),
        ],
      ),
      onTap: hatDatei ? () => onPlay(song) : null,
    );
  }
 }
@@ -0,0 +1,50 @@
 import 'package:flutter/material.dart';
 import '../utils/farb_theme.dart';
 class StatistikCard extends StatelessWidget {
  final int anzahlSongs;
  final String gesamtMB;
  final int gesamtMin;
  final int anzahlFavoriten;
  const StatistikCard({
    super.key,
    required this.anzahlSongs,
    required this.gesamtMB,
    required this.gesamtMin,
    required this.anzahlFavoriten,
  });
  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 8),
      child: Container(
        padding: const EdgeInsets.symmetric(vertical: 14),
        decoration: BoxDecoration(
          color: const Color(0xFF1A0A0A),
          borderRadius: BorderRadius.circular(14),
          border: Border.all(color: const Color(0xFF2A1515)),
        ),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          children: [
            _item('$anzahlSongs', 'Lieder'),
            _item(gesamtMB, 'MB'),
            _item('$gesamtMin', 'Min'),
            _item('$anzahlFavoriten', 'Favoriten'),
          ],
        ),
      ),
    );
  }
  Widget _item(String zahl, String label) {
    return Column(
      children: [
        Text(zahl, style: const TextStyle(fontSize: 22, fontWeight: FontWeight.w700, color: MeloTheme.rot)),
        Text(label, style: const TextStyle(fontSize: 11, color: MeloTheme.textSekundaer)),
      ],
    );
  }
 }
@@ -0,0 +1,57 @@
 import 'package:flutter/material.dart';
 import '../utils/farb_theme.dart';
 class TagLeiste extends StatelessWidget {
  final List<Map<String, String>> tags;
  final String aktiverTag;
  final ValueChanged<String> onTagSelected;
  const TagLeiste({
    super.key,
    required this.tags,
    required this.aktiverTag,
    required this.onTagSelected,
  });
  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Padding(
          padding: const EdgeInsets.fromLTRB(20, 8, 20, 4),
          child: Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: [
              const Text('🏷️ Tags', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Colors.white)),
              Text('+ Neu', style: TextStyle(fontSize: 12, color: MeloTheme.rot, fontWeight: FontWeight.w500)),
            ],
          ),
        ),
        SizedBox(
          height: 36,
          child: ListView(
            scrollDirection: Axis.horizontal,
            padding: const EdgeInsets.symmetric(horizontal: 20),
            children: tags.map((tag) {
              final aktiv = aktiverTag == tag['name'];
              return Padding(
                padding: const EdgeInsets.only(right: 8),
                child: FilterChip(
                  label: Text('${tag['icon']} ${tag['name']}',
                    style: TextStyle(fontSize: 13, color: aktiv ? Colors.white : MeloTheme.textSekundaer)),
                  selected: aktiv,
                  onSelected: (_) => onTagSelected(tag['name']!),
                  selectedColor: MeloTheme.rot,
                  backgroundColor: MeloTheme.dunkel1,
                  side: BorderSide.none,
                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
                ),
              );
            }).toList(),
          ),
        ),
      ],
    );
  }
 }
@@ -0,0 +1 @@
 flutter/ephemeral
@@ -0,0 +1,128 @@
 # Project-level configuration.
 cmake_minimum_required(VERSION 3.13)
 project(runner LANGUAGES CXX)
 # The name of the executable created for the application. Change this to change
 # the on-disk name of your application.
 set(BINARY_NAME "melo_app")
 # The unique GTK application identifier for this application. See:
 # https://wiki.gnome.org/HowDoI/ChooseApplicationID
 set(APPLICATION_ID "com.melo.melo_app")
 # Explicitly opt in to modern CMake behaviors to avoid warnings with recent
 # versions of CMake.
 cmake_policy(SET CMP0063 NEW)
 # Load bundled libraries from the lib/ directory relative to the binary.
 set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
 # Root filesystem for cross-building.
 if(FLUTTER_TARGET_PLATFORM_SYSROOT)
  set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 endif()
 # Define build configuration options.
 if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  set(CMAKE_BUILD_TYPE "Debug" CACHE
    STRING "Flutter build mode" FORCE)
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
    "Debug" "Profile" "Release")
 endif()
 # Compilation settings that should be applied to most targets.
 #
 # Be cautious about adding new options here, as plugins use this function by
 # default. In most cases, you should add new options to specific targets instead
 # of modifying this function.
 function(APPLY_STANDARD_SETTINGS TARGET)
  target_compile_features(${TARGET} PUBLIC cxx_std_14)
  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
 endfunction()
 # Flutter library and tool build rules.
 set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
 add_subdirectory(${FLUTTER_MANAGED_DIR})
 # System-level dependencies.
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
 # Application build; see runner/CMakeLists.txt.
 add_subdirectory("runner")
 # Run the Flutter tool portions of the build. This must not be removed.
 add_dependencies(${BINARY_NAME} flutter_assemble)
 # Only the install-generated bundle's copy of the executable will launch
 # correctly, since the resources must in the right relative locations. To avoid
 # people trying to run the unbundled copy, put it in a subdirectory instead of
 # the default top-level location.
 set_target_properties(${BINARY_NAME}
  PROPERTIES
  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
 )
 # Generated plugin build rules, which manage building the plugins and adding
 # them to the application.
 include(flutter/generated_plugins.cmake)
 # === Installation ===
 # By default, "installing" just makes a relocatable bundle in the build
 # directory.
 set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
 endif()
 # Start with a clean build bundle directory every time.
 install(CODE "
  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
  " COMPONENT Runtime)
 set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
 set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
 install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
  COMPONENT Runtime)
 install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
  COMPONENT Runtime)
 install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
  COMPONENT Runtime)
 foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
  install(FILES "${bundled_library}"
    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
    COMPONENT Runtime)
 endforeach(bundled_library)
 # Copy the native assets provided by the build.dart from all packages.
 set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/linux/")
 install(DIRECTORY "${NATIVE_ASSETS_DIR}"
   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
   COMPONENT Runtime)
 # Fully re-copy the assets directory on each build to avoid having stale files
 # from a previous install.
 set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
 install(CODE "
  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
  " COMPONENT Runtime)
 install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
 # Install the AOT library on non-Debug builds only.
 if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
    COMPONENT Runtime)
 endif()
@@ -0,0 +1,88 @@
 # This file controls Flutter-level build steps. It should not be edited.
 cmake_minimum_required(VERSION 3.10)
 set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
 # Configuration provided via flutter tool.
 include(${EPHEMERAL_DIR}/generated_config.cmake)
 # TODO: Move the rest of this into files in ephemeral. See
 # https://github.com/flutter/flutter/issues/57146.
 # Serves the same purpose as list(TRANSFORM ... PREPEND ...),
 # which isn't available in 3.10.
 function(list_prepend LIST_NAME PREFIX)
    set(NEW_LIST "")
    foreach(element ${${LIST_NAME}})
        list(APPEND NEW_LIST "${PREFIX}${element}")
    endforeach(element)
    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
 endfunction()
 # === Flutter Library ===
 # System-level dependencies.
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
 pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
 pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
 set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
 # Published to parent scope for install step.
 set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
 set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
 set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
 set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
 list(APPEND FLUTTER_LIBRARY_HEADERS
  "fl_basic_message_channel.h"
  "fl_binary_codec.h"
  "fl_binary_messenger.h"
  "fl_dart_project.h"
  "fl_engine.h"
  "fl_json_message_codec.h"
  "fl_json_method_codec.h"
  "fl_message_codec.h"
  "fl_method_call.h"
  "fl_method_channel.h"
  "fl_method_codec.h"
  "fl_method_response.h"
  "fl_plugin_registrar.h"
  "fl_plugin_registry.h"
  "fl_standard_message_codec.h"
  "fl_standard_method_codec.h"
  "fl_string_codec.h"
  "fl_value.h"
  "fl_view.h"
  "flutter_linux.h"
 )
 list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
 add_library(flutter INTERFACE)
 target_include_directories(flutter INTERFACE
  "${EPHEMERAL_DIR}"
 )
 target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
 target_link_libraries(flutter INTERFACE
  PkgConfig::GTK
  PkgConfig::GLIB
  PkgConfig::GIO
 )
 add_dependencies(flutter flutter_assemble)
 # === Flutter tool backend ===
 # _phony_ is a non-existent file to force this command to run every time,
 # since currently there's no way to get a full input/output list from the
 # flutter tool.
 add_custom_command(
  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
  COMMAND ${CMAKE_COMMAND} -E env
    ${FLUTTER_TOOL_ENVIRONMENT}
    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
  VERBATIM
 )
 add_custom_target(flutter_assemble DEPENDS
  "${FLUTTER_LIBRARY}"
  ${FLUTTER_LIBRARY_HEADERS}
 )
@@ -0,0 +1,11 @@
 //
 //  Generated file. Do not edit.
 //
 // clang-format off
 #include "generated_plugin_registrant.h"
 void fl_register_plugins(FlPluginRegistry* registry) {
 }
@@ -0,0 +1,15 @@
 //
 //  Generated file. Do not edit.
 //
 // clang-format off
 #ifndef GENERATED_PLUGIN_REGISTRANT_
 #define GENERATED_PLUGIN_REGISTRANT_
 #include <flutter_linux/flutter_linux.h>
 // Registers Flutter plugins.
 void fl_register_plugins(FlPluginRegistry* registry);
 #endif  // GENERATED_PLUGIN_REGISTRANT_
@@ -0,0 +1,24 @@
 #
 # Generated file, do not edit.
 #
 list(APPEND FLUTTER_PLUGIN_LIST
 )
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
  jni
 )
 set(PLUGIN_BUNDLED_LIBRARIES)
 foreach(plugin ${FLUTTER_PLUGIN_LIST})
  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
 endforeach(plugin)
 foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
 endforeach(ffi_plugin)
@@ -0,0 +1,26 @@
 cmake_minimum_required(VERSION 3.13)
 project(runner LANGUAGES CXX)
 # Define the application target. To change its name, change BINARY_NAME in the
 # top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
 # work.
 #
 # Any new source files that you add to the application should be added here.
 add_executable(${BINARY_NAME}
  "main.cc"
  "my_application.cc"
  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
 )
 # Apply the standard set of build settings. This can be removed for applications
 # that need different build settings.
 apply_standard_settings(${BINARY_NAME})
 # Add preprocessor definitions for the application ID.
 add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
 # Add dependency libraries. Add any application-specific dependencies here.
 target_link_libraries(${BINARY_NAME} PRIVATE flutter)
 target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
 target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
@@ -0,0 +1,6 @@
 #include "my_application.h"
 int main(int argc, char** argv) {
  g_autoptr(MyApplication) app = my_application_new();
  return g_application_run(G_APPLICATION(app), argc, argv);
 }
@@ -0,0 +1,148 @@
 #include "my_application.h"
 #include <flutter_linux/flutter_linux.h>
 #ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
 #endif
 #include "flutter/generated_plugin_registrant.h"
 struct _MyApplication {
  GtkApplication parent_instance;
  char** dart_entrypoint_arguments;
 };
 G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
 // Called when first Flutter frame received.
 static void first_frame_cb(MyApplication* self, FlView* view) {
  gtk_widget_show(gtk_widget_get_toplevel(GTK_WIDGET(view)));
 }
 // Implements GApplication::activate.
 static void my_application_activate(GApplication* application) {
  MyApplication* self = MY_APPLICATION(application);
  GtkWindow* window =
      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
  // Use a header bar when running in GNOME as this is the common style used
  // by applications and is the setup most users will be using (e.g. Ubuntu
  // desktop).
  // If running on X and not using GNOME then just use a traditional title bar
  // in case the window manager does more exotic layout, e.g. tiling.
  // If running on Wayland assume the header bar will work (may need changing
  // if future cases occur).
  gboolean use_header_bar = TRUE;
 #ifdef GDK_WINDOWING_X11
  GdkScreen* screen = gtk_window_get_screen(window);
  if (GDK_IS_X11_SCREEN(screen)) {
    const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
    if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
      use_header_bar = FALSE;
    }
  }
 #endif
  if (use_header_bar) {
    GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
    gtk_widget_show(GTK_WIDGET(header_bar));
    gtk_header_bar_set_title(header_bar, "melo_app");
    gtk_header_bar_set_show_close_button(header_bar, TRUE);
    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
  } else {
    gtk_window_set_title(window, "melo_app");
  }
  gtk_window_set_default_size(window, 1280, 720);
  g_autoptr(FlDartProject) project = fl_dart_project_new();
  fl_dart_project_set_dart_entrypoint_arguments(
      project, self->dart_entrypoint_arguments);
  FlView* view = fl_view_new(project);
  GdkRGBA background_color;
  // Background defaults to black, override it here if necessary, e.g. #00000000
  // for transparent.
  gdk_rgba_parse(&background_color, "#000000");
  fl_view_set_background_color(view, &background_color);
  gtk_widget_show(GTK_WIDGET(view));
  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
  // Show the window when Flutter renders.
  // Requires the view to be realized so we can start rendering.
  g_signal_connect_swapped(view, "first-frame", G_CALLBACK(first_frame_cb),
                           self);
  gtk_widget_realize(GTK_WIDGET(view));
  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
  gtk_widget_grab_focus(GTK_WIDGET(view));
 }
 // Implements GApplication::local_command_line.
 static gboolean my_application_local_command_line(GApplication* application,
                                                  gchar*** arguments,
                                                  int* exit_status) {
  MyApplication* self = MY_APPLICATION(application);
  // Strip out the first argument as it is the binary name.
  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
  g_autoptr(GError) error = nullptr;
  if (!g_application_register(application, nullptr, &error)) {
    g_warning("Failed to register: %s", error->message);
    *exit_status = 1;
    return TRUE;
  }
  g_application_activate(application);
  *exit_status = 0;
  return TRUE;
 }
 // Implements GApplication::startup.
 static void my_application_startup(GApplication* application) {
  // MyApplication* self = MY_APPLICATION(object);
  // Perform any actions required at application startup.
  G_APPLICATION_CLASS(my_application_parent_class)->startup(application);
 }
 // Implements GApplication::shutdown.
 static void my_application_shutdown(GApplication* application) {
  // MyApplication* self = MY_APPLICATION(object);
  // Perform any actions required at application shutdown.
  G_APPLICATION_CLASS(my_application_parent_class)->shutdown(application);
 }
 // Implements GObject::dispose.
 static void my_application_dispose(GObject* object) {
  MyApplication* self = MY_APPLICATION(object);
  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
 }
 static void my_application_class_init(MyApplicationClass* klass) {
  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
  G_APPLICATION_CLASS(klass)->local_command_line =
      my_application_local_command_line;
  G_APPLICATION_CLASS(klass)->startup = my_application_startup;
  G_APPLICATION_CLASS(klass)->shutdown = my_application_shutdown;
  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
 }
 static void my_application_init(MyApplication* self) {}
 MyApplication* my_application_new() {
  // Set the program name to the application ID, which helps various systems
  // like GTK and desktop environments map this running application to its
  // corresponding .desktop file. This ensures better integration by allowing
  // the application to be recognized beyond its binary name.
  g_set_prgname(APPLICATION_ID);
  return MY_APPLICATION(g_object_new(my_application_get_type(),
                                     "application-id", APPLICATION_ID, "flags",
                                     G_APPLICATION_NON_UNIQUE, nullptr));
 }
@@ -0,0 +1,21 @@
 #ifndef FLUTTER_MY_APPLICATION_H_
 #define FLUTTER_MY_APPLICATION_H_
 #include <gtk/gtk.h>
 G_DECLARE_FINAL_TYPE(MyApplication,
                     my_application,
                     MY,
                     APPLICATION,
                     GtkApplication)
 /**
 * my_application_new:
 *
 * Creates a new Flutter-based application.
 *
 * Returns: a new #MyApplication.
 */
 MyApplication* my_application_new();
 #endif  // FLUTTER_MY_APPLICATION_H_
@@ -0,0 +1,7 @@
 # Flutter-related
 **/Flutter/ephemeral/
 **/Pods/
 # Xcode-related
 **/dgph
 **/xcuserdata/
@@ -0,0 +1,2 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"
@@ -0,0 +1,2 @@
 #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "ephemeral/Flutter-Generated.xcconfig"
@@ -0,0 +1,20 @@
 //
 //  Generated file. Do not edit.
 //
 import FlutterMacOS
 import Foundation
 import audio_service
 import audio_session
 import just_audio
 import shared_preferences_foundation
 import sqflite_darwin
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
  AudioServicePlugin.register(with: registry.registrar(forPlugin: "AudioServicePlugin"))
  AudioSessionPlugin.register(with: registry.registrar(forPlugin: "AudioSessionPlugin"))
  JustAudioPlugin.register(with: registry.registrar(forPlugin: "JustAudioPlugin"))
  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
  SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
 }
@@ -0,0 +1,42 @@
 platform :osx, '10.15'
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
 project 'Runner', {
  'Debug' => :debug,
  'Profile' => :release,
  'Release' => :release,
 }
 def flutter_root
  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__)
  unless File.exist?(generated_xcode_build_settings_path)
    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first"
  end
  File.foreach(generated_xcode_build_settings_path) do |line|
    matches = line.match(/FLUTTER_ROOT\=(.*)/)
    return matches[1].strip if matches
  end
  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\""
 end
 require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
 flutter_macos_podfile_setup
 target 'Runner' do
  use_frameworks!
  flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__))
  target 'RunnerTests' do
    inherit! :search_paths
  end
 end
 post_install do |installer|
  installer.pods_project.targets.each do |target|
    flutter_additional_macos_build_settings(target)
  end
 end
--- a/Show More
+++ b/Show More
		`@@ -0,0 +1,2 @@`
							`#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"`
							`#include "Generated.xcconfig"`
		`@@ -0,0 +1,2 @@`
							`#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"`
							`#include "ephemeral/Flutter-Generated.xcconfig"`