import 'package:flutter_hooks/flutter_hooks.dart'; import 'package:flutter_riverpod/flutter_riverpod.dart'; import 'package:spotube/provider/Playback.dart'; useSyncedLyrics(WidgetRef ref, Map lyricsMap) { final player = ref.watch(playbackProvider.select( (value) => (value.player), )); final stream = player.core.onPositionChanged; final currentTime = useState(0); useEffect(() { final lol = stream.listen((pos) { if (lyricsMap.containsKey(pos.inSeconds)) { currentTime.value = pos.inSeconds; } }); return () => lol.cancel(); }, [lyricsMap]); return currentTime.value; }