现在播放页的实时效果有了
This commit is contained in:
+153
-102
@@ -43,6 +43,41 @@ class _PlayerPageState extends State<PlayerPage> {
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}
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}
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@override
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void initState() {
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super.initState();
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// ⭐ 页面加载时主动拉取状态(多次重试)
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_syncStateWithRetry();
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}
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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// ⭐ 依赖变化时(如从后台返回)重新同步
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (mounted) {
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context.read<AudioService>().syncPlayerStateNow();
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}
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});
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}
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void _syncStateWithRetry() {
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final service = context.read<AudioService>();
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// 立即同步
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service.syncPlayerStateNow();
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// 延迟重试
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const delays = [200, 500, 800, 1200];
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for (final delay in delays) {
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Future.delayed(Duration(milliseconds: delay), () {
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if (mounted) {
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service.syncPlayerStateNow();
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}
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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final service = context.watch<AudioService>();
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@@ -75,7 +110,6 @@ class _PlayerPageState extends State<PlayerPage> {
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}
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final isPlaying = service.isPlaying;
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final duration = service.duration;
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return Scaffold(
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backgroundColor: const Color(0xFF0E1211),
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@@ -156,7 +190,7 @@ class _PlayerPageState extends State<PlayerPage> {
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],
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),
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const SizedBox(height: 40),
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_buildProgressSection(service, duration),
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_buildProgressSection(service),
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const SizedBox(height: 32),
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_buildControlButtons(service, isPlaying),
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const SizedBox(height: 16),
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@@ -166,120 +200,137 @@ class _PlayerPageState extends State<PlayerPage> {
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);
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}
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Widget _buildProgressSection(AudioService service, Duration duration) {
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debugPrint('🎯 [PlayerPage] duration=$duration');
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Widget _buildProgressSection(AudioService service) {
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return ValueListenableBuilder(
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valueListenable: service.positionNotifier,
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builder: (context, position, _) {
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debugPrint('🎯 [PlayerPage] position=$position, duration=$duration');
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final progress = duration.inMilliseconds > 0
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? position.inMilliseconds / duration.inMilliseconds
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: 0.0;
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return ValueListenableBuilder(
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valueListenable: service.durationNotifier,
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builder: (context, duration, _) {
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// ⭐ 如果 duration 为 0,显示加载指示器
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if (duration.inMilliseconds == 0) {
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return const Padding(
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padding: EdgeInsets.symmetric(vertical: 8),
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child: LinearProgressIndicator(
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color: Color(0xFFB8D4D0),
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backgroundColor: Color(0xFF2A3332),
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),
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);
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}
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final bufferProgress = duration.inMilliseconds > 0
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? (service.bufferedNotifier.value.inMilliseconds /
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duration.inMilliseconds)
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.clamp(0.0, 1.0)
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: 0.0;
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final progress = duration.inMilliseconds > 0
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? position.inMilliseconds / duration.inMilliseconds
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: 0.0;
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final displayProgress = _dragProgress ?? progress;
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final bufferProgress = duration.inMilliseconds > 0
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? (service.bufferedNotifier.value.inMilliseconds /
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duration.inMilliseconds)
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.clamp(0.0, 1.0)
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: 0.0;
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return Column(
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children: [
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SizedBox(
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height: 20,
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child: LayoutBuilder(
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builder: (context, constraints) {
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final width = constraints.maxWidth;
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final bufferWidth = width * bufferProgress.clamp(0.0, 1.0);
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final progressWidth = width * displayProgress.clamp(0.0, 1.0);
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final displayProgress = _dragProgress ?? progress;
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return Stack(
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alignment: Alignment.centerLeft,
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children: [
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Container(
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width: width,
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height: 4,
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decoration: BoxDecoration(
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color: Colors.grey[800],
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borderRadius: BorderRadius.circular(2),
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),
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),
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Container(
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width: bufferWidth,
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height: 4,
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decoration: BoxDecoration(
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color: const Color(0xFF4A7A7A),
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borderRadius: BorderRadius.circular(2),
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),
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),
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Container(
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width: progressWidth,
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height: 4,
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decoration: BoxDecoration(
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color: const Color(0xFFB8D4D0),
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borderRadius: BorderRadius.circular(2),
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),
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),
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Positioned.fill(
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child: SliderTheme(
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data: SliderTheme.of(context).copyWith(
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trackHeight: 0,
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activeTrackColor: Colors.transparent,
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inactiveTrackColor: Colors.transparent,
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thumbColor: Colors.transparent,
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overlayColor: Colors.transparent,
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thumbShape: const RoundSliderThumbShape(
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enabledThumbRadius: 0,
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return Column(
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children: [
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SizedBox(
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height: 20,
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child: LayoutBuilder(
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builder: (context, constraints) {
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final width = constraints.maxWidth;
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final bufferWidth =
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width * bufferProgress.clamp(0.0, 1.0);
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final progressWidth =
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width * displayProgress.clamp(0.0, 1.0);
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return Stack(
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alignment: Alignment.centerLeft,
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children: [
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Container(
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width: width,
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height: 4,
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decoration: BoxDecoration(
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color: Colors.grey[800],
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borderRadius: BorderRadius.circular(2),
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),
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),
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child: Slider(
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value: displayProgress.clamp(0.0, 1.0),
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min: 0.0,
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max: 1.0,
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onChanged: (value) {
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setState(() {
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_dragProgress = value;
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});
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},
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onChangeEnd: (value) {
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final newPosition = Duration(
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milliseconds:
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(value * duration.inMilliseconds).round(),
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);
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service.seekTo(newPosition);
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setState(() {
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_dragProgress = null;
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});
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},
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Container(
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width: bufferWidth,
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height: 4,
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decoration: BoxDecoration(
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color: const Color(0xFF4A7A7A),
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borderRadius: BorderRadius.circular(2),
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),
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),
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),
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),
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],
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);
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},
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),
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),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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_formatDuration(position),
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[500],
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Container(
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width: progressWidth,
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height: 4,
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decoration: BoxDecoration(
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color: const Color(0xFFB8D4D0),
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borderRadius: BorderRadius.circular(2),
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),
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),
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Positioned.fill(
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child: SliderTheme(
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data: SliderTheme.of(context).copyWith(
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trackHeight: 0,
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activeTrackColor: Colors.transparent,
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inactiveTrackColor: Colors.transparent,
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thumbColor: Colors.transparent,
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overlayColor: Colors.transparent,
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thumbShape: const RoundSliderThumbShape(
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enabledThumbRadius: 0,
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),
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),
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child: Slider(
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value: displayProgress.clamp(0.0, 1.0),
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min: 0.0,
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max: 1.0,
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onChanged: (value) {
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setState(() {
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_dragProgress = value;
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});
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},
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onChangeEnd: (value) {
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final newPosition = Duration(
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milliseconds:
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(value * duration.inMilliseconds)
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.round(),
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);
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service.seekTo(newPosition);
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setState(() {
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_dragProgress = null;
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});
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},
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),
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),
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),
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],
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);
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},
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),
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),
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Text(
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_formatDuration(duration),
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[500],
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),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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_formatDuration(position),
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[500],
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),
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),
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Text(
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_formatDuration(duration),
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[500],
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),
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),
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],
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),
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],
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),
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],
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);
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},
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);
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},
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);
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