72 lines
2.0 KiB
Dart
72 lines
2.0 KiB
Dart
// lib/audio/playback_state_manager.dart
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import 'package:audio_service/audio_service.dart' as audio_service;
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class PlaybackStateManager {
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static final PlaybackStateManager _instance =
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PlaybackStateManager._internal();
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factory PlaybackStateManager() => _instance;
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PlaybackStateManager._internal();
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bool _playing = false;
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bool get playing => _playing;
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Duration _position = Duration.zero;
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Duration get position => _position;
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Duration _duration = Duration.zero;
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Duration get duration => _duration;
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// ⭐ 核心改动：使用 playPause 替代 play/pause 分离
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// lib/audio/playback_state_manager.dart
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audio_service.PlaybackState get playbackState {
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final playControl = audio_service.MediaControl(
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androidIcon: _playing ? 'drawable/ic_pause' : 'drawable/ic_play',
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label: _playing ? '暂停' : '播放',
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action: audio_service.MediaAction.playPause,
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);
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final controls = [
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audio_service.MediaControl(
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androidIcon: 'drawable/ic_previous', // 上一首
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label: '上一曲',
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action: audio_service.MediaAction.skipToPrevious,
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),
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playControl,
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audio_service.MediaControl(
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androidIcon: 'drawable/ic_next', // 下一首
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label: '下一曲',
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action: audio_service.MediaAction.skipToNext,
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),
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];
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return audio_service.PlaybackState(
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controls: controls,
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processingState: audio_service.AudioProcessingState.ready,
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playing: _playing,
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androidCompactActionIndices: const [0, 1, 2], // 显示全部三个
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updateTime: DateTime.now(),
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);
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}
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// ---- 状态更新方法保持不变 ----
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void updatePlaying(bool playing) {
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if (_playing != playing) {
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_playing = playing;
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}
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}
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void updatePosition(Duration position) {
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_position = position;
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}
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void updateDuration(Duration duration) {
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_duration = duration;
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}
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void reset() {
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_playing = false;
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_position = Duration.zero;
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_duration = Duration.zero;
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}
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}
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