624 lines
24 KiB
Dart
624 lines
24 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'dart:typed_data';
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import 'package:provider/provider.dart';
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import 'package:audiofileplayer/audiofileplayer.dart';
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import 'package:audiofileplayer/audio_system.dart';
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import 'package:logging/logging.dart';
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import 'package:flutter/material.dart';
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import 'package:marquee/marquee.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:flutter_downloader/flutter_downloader.dart';
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import 'package:tsacdop/class/audiostate.dart';
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import 'package:tsacdop/home/audiopanel.dart';
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final Logger _logger = Logger('audiofileplayer');
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class PlayerWidget extends StatefulWidget {
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@override
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_PlayerWidgetState createState() => _PlayerWidgetState();
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}
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class _PlayerWidgetState extends State<PlayerWidget> {
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static const String replay10ButtonId = 'replay10ButtonId';
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static const String newReleasesButtonId = 'newReleasesButtonId';
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static const String likeButtonId = 'likeButtonId';
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static const String pausenowButtonId = 'pausenowButtonId';
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static const String forwardButtonId = 'forwardButtonId';
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Audio _backgroundAudio;
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bool _backgroundAudioPlaying;
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double _backgroundAudioDurationSeconds;
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double _backgroundAudioPositionSeconds = 0;
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bool _remoteAudioLoading;
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String _remoteErrorMessage;
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double _seekSliderValue = 0.0;
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String url;
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String _title;
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String _feedtitle;
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bool _isLoading;
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String _primaryColor;
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Color _c;
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@override
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void initState() {
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super.initState();
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AudioSystem.instance.addMediaEventListener(_mediaEventListener);
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_isLoading = false;
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_remoteAudioLoading = true;
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}
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void _initbackgroundAudioPlayer(String url) {
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_remoteErrorMessage = null;
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_remoteAudioLoading = true;
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Provider.of<Urlchange>(context, listen: false).audioState = AudioState.load;
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if (_backgroundAudioPlaying == true) _backgroundAudio?.pause();
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_backgroundAudio?.dispose();
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_backgroundAudio = Audio.loadFromRemoteUrl(url,
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onDuration: (double durationSeconds) {
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setState(() {
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_backgroundAudioDurationSeconds = durationSeconds;
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_remoteAudioLoading = false;
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Provider.of<Urlchange>(context, listen: false).audioState =
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AudioState.play;
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});
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_setNotification();
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},
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onPosition: (double positionSeconds) {
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setState(() {
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if (_backgroundAudioPositionSeconds <
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_backgroundAudioDurationSeconds) {
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_seekSliderValue = _backgroundAudioPositionSeconds /
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_backgroundAudioDurationSeconds;
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_backgroundAudioPositionSeconds = positionSeconds;
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} else {
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_seekSliderValue = 1;
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_backgroundAudioPositionSeconds = _backgroundAudioDurationSeconds;
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}
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});
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},
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onError: (String message) => setState(() {
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_remoteErrorMessage = message;
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_backgroundAudio.dispose();
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_backgroundAudio = null;
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_backgroundAudioPlaying = false;
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_remoteAudioLoading = false;
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Provider.of<Urlchange>(context, listen: false).audioState =
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AudioState.error;
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}),
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onComplete: () => setState(() {
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_backgroundAudioPlaying = false;
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_remoteAudioLoading = false;
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Provider.of<Urlchange>(context, listen: false).audioState =
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AudioState.complete;
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}),
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looping: false,
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playInBackground: true)
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..play();
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}
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void _initbackgroundAudioPlayerLocal(String path) {
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_remoteErrorMessage = null;
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_remoteAudioLoading = true;
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ByteData audio = getAudio(path);
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Provider.of<Urlchange>(context, listen: false).audioState = AudioState.load;
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if (_backgroundAudioPlaying == true) _backgroundAudio?.pause();
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_backgroundAudio?.dispose();
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_backgroundAudio = Audio.loadFromByteData(audio,
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onDuration: (double durationSeconds) {
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setState(() {
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_backgroundAudioDurationSeconds = durationSeconds;
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_remoteAudioLoading = false;
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});
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_setNotification();
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Provider.of<Urlchange>(context, listen: false).audioState =
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AudioState.play;
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},
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onPosition: (double positionSeconds) {
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setState(() {
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if (_backgroundAudioPositionSeconds <
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_backgroundAudioDurationSeconds) {
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_seekSliderValue = _backgroundAudioPositionSeconds /
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_backgroundAudioDurationSeconds;
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_backgroundAudioPositionSeconds = positionSeconds;
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} else {
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_seekSliderValue = 1;
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_backgroundAudioPositionSeconds = _backgroundAudioDurationSeconds;
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}
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});
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},
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onError: (String message) => setState(() {
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_remoteErrorMessage = message;
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_backgroundAudio.dispose();
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_backgroundAudio = null;
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_backgroundAudioPlaying = false;
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_remoteAudioLoading = false;
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Provider.of<Urlchange>(context, listen: false).audioState =
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AudioState.error;
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}),
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onComplete: () => setState(() {
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_backgroundAudioPlaying = false;
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_remoteAudioLoading = false;
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Provider.of<Urlchange>(context, listen: false).audioState =
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AudioState.complete;
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}),
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looping: false,
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playInBackground: true)
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..play();
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}
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Future<String> _getFile(String url) async {
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final task = await FlutterDownloader.loadTasksWithRawQuery(
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query: "SELECT * FROM task WHERE url = '$url' AND status = 3");
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if (task.length != 0) {
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String _filePath = task.first.savedDir + '/' + task.first.filename;
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return _filePath;
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}
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return 'NotDownload';
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}
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ByteData getAudio(String path) {
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File audioFile = File(path);
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Uint8List audio = audioFile.readAsBytesSync();
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return ByteData.view(audio.buffer);
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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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final url = Provider.of<Urlchange>(context).audiourl;
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if (url != this.url) {
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setState(() {
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this.url = url;
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_title = Provider.of<Urlchange>(context).title;
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_feedtitle = Provider.of<Urlchange>(context).feedtitle;
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_primaryColor = Provider.of<Urlchange>(context).primarycolor;
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var color = json.decode(_primaryColor);
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(color[0] > 200 && color[1] > 200 && color[2] > 200)
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? _c = Color.fromRGBO(
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(255 - color[0]), 255 - color[1], 255 - color[2], 1.0)
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: _c = Color.fromRGBO(color[0], color[1], color[2], 1.0);
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_backgroundAudioPlaying = true;
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_isLoading = true;
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_getFile(url).then((result) {
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result == 'NotDownload'
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? _initbackgroundAudioPlayer(url)
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: _initbackgroundAudioPlayerLocal(result);
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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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void dispose() {
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AudioSystem.instance.removeMediaEventListener(_mediaEventListener);
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_backgroundAudio?.dispose();
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super.dispose();
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}
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static String _stringForSeconds(double seconds) {
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if (seconds == null) return null;
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return '${(seconds ~/ 60)}:${(seconds.truncate() % 60).toString().padLeft(2, '0')}';
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}
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void _mediaEventListener(MediaEvent mediaEvent) {
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_logger.info('App received media event of type: ${mediaEvent.type}');
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final MediaActionType type = mediaEvent.type;
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if (type == MediaActionType.play) {
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_resumeBackgroundAudio();
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} else if (type == MediaActionType.pause) {
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_pauseBackgroundAudio();
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} else if (type == MediaActionType.playPause) {
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_backgroundAudioPlaying
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? _pauseBackgroundAudio()
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: _resumeBackgroundAudio();
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} else if (type == MediaActionType.stop) {
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_stopBackgroundAudio();
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} else if (type == MediaActionType.seekTo) {
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_backgroundAudio.seek(mediaEvent.seekToPositionSeconds);
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AudioSystem.instance
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.setPlaybackState(true, mediaEvent.seekToPositionSeconds);
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} else if (type == MediaActionType.skipForward) {
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final double skipIntervalSeconds = mediaEvent.skipIntervalSeconds;
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_forwardBackgroundAudio(skipIntervalSeconds);
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_logger.info(
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'Skip-forward event had skipIntervalSeconds $skipIntervalSeconds.');
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} else if (type == MediaActionType.skipBackward) {
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final double skipIntervalSeconds = mediaEvent.skipIntervalSeconds;
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_forwardBackgroundAudio(skipIntervalSeconds);
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_logger.info(
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'Skip-backward event had skipIntervalSeconds $skipIntervalSeconds.');
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} else if (type == MediaActionType.custom) {
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if (mediaEvent.customEventId == replay10ButtonId) {
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_forwardBackgroundAudio(-10.0);
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} else if (mediaEvent.customEventId == likeButtonId) {
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_resumeBackgroundAudio();
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} else if (mediaEvent.customEventId == forwardButtonId) {
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_forwardBackgroundAudio(30.0);
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} else if (mediaEvent.customEventId == pausenowButtonId) {
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_pauseBackgroundAudio();
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}
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}
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}
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final _pauseButton = AndroidCustomMediaButton(
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'pausenow', pausenowButtonId, 'ic_stat_pause_circle_filled');
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final _replay10Button = AndroidCustomMediaButton(
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'replay10', replay10ButtonId, 'ic_stat_replay_10');
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final _forwardButton = AndroidCustomMediaButton(
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'forward', forwardButtonId, 'ic_stat_forward_30');
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final _playnowButton = AndroidCustomMediaButton(
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'playnow', likeButtonId, 'ic_stat_play_circle_filled');
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Future<void> _setNotification() async {
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var dir = await getApplicationDocumentsDirectory();
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final Uint8List imageBytes =
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File('${dir.path}/$_feedtitle.png').readAsBytesSync();
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AudioSystem.instance.setMetadata(AudioMetadata(
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title: _title,
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artist: _feedtitle,
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album: _feedtitle,
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genre: "Podcast",
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durationSeconds: _backgroundAudioDurationSeconds,
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artBytes: imageBytes));
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AudioSystem.instance
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.setPlaybackState(true, _backgroundAudioPositionSeconds);
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AudioSystem.instance.setAndroidNotificationButtons(<dynamic>[
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AndroidMediaButtonType.pause,
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_forwardButton,
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AndroidMediaButtonType.stop,
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], androidCompactIndices: <int>[
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0,
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1
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]);
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AudioSystem.instance.setSupportedMediaActions(<MediaActionType>{
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MediaActionType.playPause,
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MediaActionType.pause,
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MediaActionType.next,
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MediaActionType.previous,
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MediaActionType.skipForward,
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MediaActionType.skipBackward,
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MediaActionType.seekTo,
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MediaActionType.custom,
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}, skipIntervalSeconds: 30);
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}
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Future<void> _resumeBackgroundAudio() async {
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_backgroundAudio.resume();
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setState(() {
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_backgroundAudioPlaying = true;
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Provider.of<Urlchange>(context, listen: false).audioState =
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AudioState.play;
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});
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var dir = await getApplicationDocumentsDirectory();
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final Uint8List imageBytes =
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File('${dir.path}/$_feedtitle.png').readAsBytesSync();
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AudioSystem.instance.setMetadata(AudioMetadata(
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title: _title,
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artist: _feedtitle,
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album: _feedtitle,
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genre: "Podcast",
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durationSeconds: _backgroundAudioDurationSeconds,
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artBytes: imageBytes));
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AudioSystem.instance
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.setPlaybackState(true, _backgroundAudioPositionSeconds);
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AudioSystem.instance.setAndroidNotificationButtons(<dynamic>[
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AndroidMediaButtonType.pause,
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_forwardButton,
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AndroidMediaButtonType.stop,
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], androidCompactIndices: <int>[
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0,
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1
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]);
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AudioSystem.instance.setSupportedMediaActions(<MediaActionType>{
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MediaActionType.playPause,
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MediaActionType.pause,
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MediaActionType.next,
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MediaActionType.previous,
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MediaActionType.skipForward,
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MediaActionType.skipBackward,
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MediaActionType.seekTo,
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MediaActionType.custom,
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}, skipIntervalSeconds: 30);
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}
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void _pauseBackgroundAudio() {
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_backgroundAudio.pause();
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setState(() {
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_backgroundAudioPlaying = false;
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Provider.of<Urlchange>(context, listen: false).audioState =
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AudioState.pause;
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});
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AudioSystem.instance
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.setPlaybackState(false, _backgroundAudioPositionSeconds);
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AudioSystem.instance.setAndroidNotificationButtons(<dynamic>[
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AndroidMediaButtonType.play,
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_forwardButton,
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AndroidMediaButtonType.stop,
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], androidCompactIndices: <int>[
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0,
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1,
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]);
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AudioSystem.instance.setSupportedMediaActions(<MediaActionType>{
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MediaActionType.playPause,
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MediaActionType.play,
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MediaActionType.next,
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MediaActionType.previous,
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});
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}
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void _stopBackgroundAudio() {
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_backgroundAudio.pause();
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setState(() => _backgroundAudioPlaying = false);
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AudioSystem.instance.stopBackgroundDisplay();
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}
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void _forwardBackgroundAudio(double seconds) {
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final double forwardposition = _backgroundAudioPositionSeconds + seconds;
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_backgroundAudio.seek(forwardposition);
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AudioSystem.instance.setPlaybackState(true, forwardposition);
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}
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Widget _expandedPanel() => Container(
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height: 300,
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color: Colors.grey[100],
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padding: EdgeInsets.symmetric(horizontal: 10.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Container(
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padding: EdgeInsets.all(30),
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alignment: Alignment.center,
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child: (_title.length > 50)
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? Marquee(
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text: _title,
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style: TextStyle(
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fontWeight: FontWeight.bold, fontSize: 35),
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scrollAxis: Axis.horizontal,
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crossAxisAlignment: CrossAxisAlignment.start,
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blankSpace: 30.0,
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velocity: 50.0,
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pauseAfterRound: Duration(seconds: 1),
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startPadding: 30.0,
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accelerationDuration: Duration(seconds: 1),
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accelerationCurve: Curves.linear,
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decelerationDuration: Duration(milliseconds: 500),
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decelerationCurve: Curves.easeOut,
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)
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: Text(
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_title,
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style: TextStyle(
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fontWeight: FontWeight.bold, fontSize: 20),
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),
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),
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Container(
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padding: EdgeInsets.only(left: 40, right: 40, top: 20),
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child: SliderTheme(
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data: SliderTheme.of(context).copyWith(
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activeTrackColor: Colors.blue[100],
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inactiveTrackColor: Colors.grey[300],
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trackHeight: 3.0,
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thumbColor: Colors.blue[400],
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thumbShape:
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RoundSliderThumbShape(enabledThumbRadius: 6.0),
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overlayColor: Colors.blue.withAlpha(32),
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overlayShape:
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RoundSliderOverlayShape(overlayRadius: 14.0),
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),
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child: Slider(
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value: _seekSliderValue,
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onChanged: (double val) {
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setState(() => _seekSliderValue = val);
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final double positionSeconds =
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val * _backgroundAudioDurationSeconds;
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_backgroundAudio.seek(positionSeconds);
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AudioSystem.instance
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.setPlaybackState(true, positionSeconds);
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}),
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),
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),
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Container(
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height: 20.0,
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padding: EdgeInsets.symmetric(horizontal: 50.0),
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child: Row(
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children: <Widget>[
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Text(
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_stringForSeconds(_backgroundAudioPositionSeconds) ??
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'',
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style: TextStyle(fontSize: 10),
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),
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Expanded(
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child: Container(
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alignment: Alignment.center,
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child: _remoteErrorMessage != null
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? Text(_remoteErrorMessage,
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style: const TextStyle(
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color: const Color(0xFFFF0000)))
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: Text(
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_remoteAudioLoading ? 'Buffring...' : '',
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style: TextStyle(color: Colors.blue),
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),
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),
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),
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Text(
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_stringForSeconds(_backgroundAudioDurationSeconds) ??
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'',
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style: TextStyle(fontSize: 10),
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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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mainAxisSize: MainAxisSize.min,
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children: [
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IconButton(
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padding: EdgeInsets.symmetric(horizontal: 30.0),
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onPressed: _backgroundAudioPlaying
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? () => _forwardBackgroundAudio(-10)
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: null,
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iconSize: 32.0,
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icon: Icon(Icons.replay_10),
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color: Colors.black),
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_backgroundAudioPlaying
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? IconButton(
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padding: EdgeInsets.symmetric(horizontal: 30.0),
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onPressed: _backgroundAudioPlaying
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? () {
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_pauseBackgroundAudio();
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}
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: null,
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iconSize: 40.0,
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icon: Icon(Icons.pause_circle_filled),
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color: Colors.black)
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: IconButton(
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padding: EdgeInsets.symmetric(horizontal: 30.0),
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onPressed: _backgroundAudioPlaying
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? null
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: () {
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_resumeBackgroundAudio();
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},
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iconSize: 40.0,
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icon: Icon(Icons.play_circle_filled),
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color: Colors.black),
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IconButton(
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padding: EdgeInsets.symmetric(horizontal: 30.0),
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onPressed: _backgroundAudioPlaying
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? () => _forwardBackgroundAudio(30)
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: null,
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iconSize: 32.0,
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icon: Icon(Icons.forward_30),
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color: Colors.black),
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],
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),
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]),
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);
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Widget _miniPanel() => Container(
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height: 60,
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color: Colors.grey[100],
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child: Column(mainAxisAlignment: MainAxisAlignment.start, children: <
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Widget>[
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SizedBox(
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height: 2,
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child: LinearProgressIndicator(
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value: _seekSliderValue,
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backgroundColor: Colors.grey[100],
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valueColor: AlwaysStoppedAnimation<Color>(_c),
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)),
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Expanded(
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child: Container(
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padding: EdgeInsets.only(left: 30.0, right: 10.0),
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alignment: Alignment.center,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: <Widget>[
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Container(
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width: 220,
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child: (_title.length > 30)
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? Marquee(
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text: _title,
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style: TextStyle(fontWeight: FontWeight.bold),
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scrollAxis: Axis.horizontal,
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crossAxisAlignment: CrossAxisAlignment.start,
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blankSpace: 30.0,
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velocity: 50.0,
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|
pauseAfterRound: Duration(seconds: 1),
|
|
startPadding: 30.0,
|
|
accelerationDuration: Duration(seconds: 1),
|
|
accelerationCurve: Curves.linear,
|
|
decelerationDuration: Duration(milliseconds: 500),
|
|
decelerationCurve: Curves.easeOut,
|
|
)
|
|
: Text(
|
|
_title,
|
|
style: TextStyle(fontWeight: FontWeight.bold),
|
|
),
|
|
),
|
|
Spacer(),
|
|
Container(
|
|
padding: EdgeInsets.symmetric(horizontal: 20.0),
|
|
child: Row(
|
|
children: <Widget>[
|
|
Text(
|
|
_stringForSeconds(_backgroundAudioDurationSeconds -
|
|
_backgroundAudioPositionSeconds) ??
|
|
'',
|
|
style: TextStyle(color: _c),
|
|
),
|
|
Text(
|
|
' Left',
|
|
style: TextStyle(color: _c),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
_backgroundAudioPlaying
|
|
? Material(
|
|
color: Colors.transparent,
|
|
child: IconButton(
|
|
padding:
|
|
EdgeInsets.symmetric(horizontal: 10.0),
|
|
onPressed: _backgroundAudioPlaying
|
|
? () {
|
|
_pauseBackgroundAudio();
|
|
}
|
|
: null,
|
|
iconSize: 28.0,
|
|
icon: Icon(Icons.pause_circle_filled),
|
|
color: Colors.black),
|
|
)
|
|
: Material(
|
|
color: Colors.transparent,
|
|
child: IconButton(
|
|
padding:
|
|
EdgeInsets.symmetric(horizontal: 10.0),
|
|
onPressed: _backgroundAudioPlaying
|
|
? null
|
|
: () {
|
|
_resumeBackgroundAudio();
|
|
},
|
|
iconSize: 25.0,
|
|
icon: Icon(Icons.play_circle_filled),
|
|
color: Colors.black),
|
|
),
|
|
Material(
|
|
color: Colors.transparent,
|
|
child: IconButton(
|
|
padding: EdgeInsets.symmetric(horizontal: 10.0),
|
|
onPressed: _backgroundAudioPlaying
|
|
? () => _forwardBackgroundAudio(30)
|
|
: null,
|
|
iconSize: 25.0,
|
|
icon: Icon(Icons.forward_30),
|
|
color: Colors.black),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
]),
|
|
);
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return !_isLoading
|
|
? Center()
|
|
: AudioPanel(miniPanel: _miniPanel(), expandedPanel: _expandedPanel());
|
|
}
|
|
}
|