当前固定audio_service为0.18.19,同时已优化媒体信息推送的部分能力,尚在进行媒体信息-播放进度的更新
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@@ -51,6 +51,9 @@ class AudioService extends ChangeNotifier {
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// ⭐ 防重入标志
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bool _handlingCompletion = false;
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// ⭐ 歌曲切换回调(用于通知 Handler 更新 MediaItem)
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void Function(Song)? _onSongChanged;
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// ---- Getter(高频字段不走 ChangeNotifier) ----
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Song? get currentSong => _currentSong;
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bool get isPlaying => _isPlaying;
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@@ -75,6 +78,11 @@ class AudioService extends ChangeNotifier {
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}
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}
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// ---- 注册歌曲切换回调 ----
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void setOnSongChanged(void Function(Song) callback) {
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_onSongChanged = callback;
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}
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// ---- 切换播放模式 ----
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void togglePlayMode() {
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switch (_playMode) {
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@@ -138,6 +146,9 @@ class AudioService extends ChangeNotifier {
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final song = _queue[_currentIndex];
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_currentSong = song;
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// ⭐ 切歌时触发回调(通知 Handler 更新 MediaItem)
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_onSongChanged?.call(song);
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// ⭐ 重置进度(用 ValueNotifier)
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positionNotifier.value = Duration.zero;
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durationNotifier.value = Duration.zero;
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@@ -266,7 +277,7 @@ class AudioService extends ChangeNotifier {
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}),
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);
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// ⭐ 唯一监听 completed 的地方
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// ⭐ 唯一监听 completed 的地方(带防重入)
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_subscriptions.add(
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player.stream.completed.listen((_) {
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_onPlaybackCompleted();
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@@ -282,7 +293,7 @@ class AudioService extends ChangeNotifier {
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_subscriptions.clear();
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}
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// ⭐ 防重入
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// ⭐ 防重入的完成事件处理
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void _onPlaybackCompleted() {
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if (_handlingCompletion) {
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debugPrint('⚠️ [service] completed ignored: already handling');
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