new file: lib/class/podcast_group.dart

modified:   lib/class/podcastlocal.dart
	modified:   lib/class/settingstate.dart
	modified:   lib/episodes/episodedetail.dart
	modified:   lib/episodes/episodedownload.dart
	modified:   lib/home/appbar/addpodcast.dart
	modified:   lib/home/appbar/popupmenu.dart
	modified:   lib/home/audio_player.dart
	modified:   lib/home/home.dart
	modified:   lib/home/homescroll.dart
	modified:   lib/home/hometab.dart
	new file:   lib/local_storage/key_value_storage.dart
	renamed:    lib/class/sqflite_localpodcast.dart -> lib/local_storage/sqflite_localpodcast.dart
	modified:   lib/main.dart
	modified:   lib/podcasts/podcastdetail.dart
	new file:   lib/podcasts/podcastgroup.dart
	modified:   lib/podcasts/podcastlist.dart
	modified:   lib/podcasts/podcastmanage.dart
	modified:   lib/util/episodegrid.dart
	modified:   lib/webfeed/domain/rss_item.dart
	modified:   lib/webfeed/domain/rss_itunes.dart
	modified:   pubspec.lock
	modified:   pubspec.yaml
Add podcast group support
Manage group with provider

lib/class/podcast_group.dart

@@ -0,0 +1,158 @@
+import 'dart:collection';
+import 'dart:core';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:tsacdop/local_storage/key_value_storage.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
+import 'package:uuid/uuid.dart';
+import 'package:tsacdop/class/podcastlocal.dart';
+
+class GroupEntity {
+  final String name;
+  final String id;
+  final String color;
+  final List<String> podcastList;
+
+  GroupEntity(this.name, this.id, this.color, this.podcastList);
+
+  Map<String, Object> toJson() {
+    return {'name': name, 'id': id, 'color': color, 'podcastList': podcastList};
+  }
+
+  static GroupEntity fromJson(Map<String, Object> json) {
+    List<String> list = List.from(json['podcastList']);
+    print(json['[podcastList']);
+    return 
+    GroupEntity(
+        json['name'] as String, 
+        json['id'] as String,
+        json['color'] as String, 
+        list);
+  }
+}
+
+class PodcastGroup {
+  final String name;
+  final String id;
+  final String color;
+  final List<String> podcastList;
+
+  PodcastGroup(this.name,
+      {this.color = '#000000', String id, List<String> podcastList})
+      : id = id ?? Uuid().v4(),
+        podcastList = podcastList ?? [];
+
+  Future getPodcasts() async {
+    var dbHelper = DBHelper();
+    if (podcastList != []) {
+      _podcasts = await dbHelper.getPodcastLocal(podcastList, 0);
+    }
+  }
+
+  List<PodcastLocal> _podcasts;
+
+  List<PodcastLocal> get podcasts => _podcasts;
+
+  GroupEntity toEntity() {
+    return GroupEntity(name, id, color, podcastList);
+  }
+
+  static PodcastGroup fromEntity(GroupEntity entity) {
+    return PodcastGroup(
+      entity.name,
+      id: entity.id,
+      color: entity.color,
+      podcastList: entity.podcastList,
+    );
+  }
+}
+
+class GroupList extends ChangeNotifier {
+  List<PodcastGroup> _groups;
+  DBHelper dbHelper = DBHelper();
+  UnmodifiableListView<PodcastGroup> get groups =>
+      UnmodifiableListView(_groups);
+
+  KeyValueStorage storage = KeyValueStorage('groups');
+  GroupList({List<PodcastGroup> groups}) : _groups = groups ?? [];
+
+  bool _isLoading = false;
+
+  bool get isLoading => _isLoading;
+
+  @override
+  void addListener(VoidCallback listener) {
+    super.addListener(listener);
+    loadGroups();
+  }
+
+  Future loadGroups() async {
+    _isLoading = true;
+    notifyListeners();
+    storage.getGroups().then((loadgroups) async {
+      _groups.addAll(loadgroups.map((e) => PodcastGroup.fromEntity(e)));
+    await Future.forEach(_groups, (group) async {
+        await group.getPodcasts();
+      });
+   _isLoading = false;
+    notifyListeners();
+    });
+  }
+
+  Future addGroup(PodcastGroup podcastGroup) async {
+    _groups.add(podcastGroup);
+    _saveGroup();
+    notifyListeners();
+  }
+
+  Future delGroup(PodcastGroup podcastGroup) async {
+    _groups.remove(podcastGroup);
+    notifyListeners();
+    _saveGroup();
+  }
+
+  void updateGroup(PodcastGroup podcastGroup) {
+    var oldGroup = _groups.firstWhere((it) => it.id == podcastGroup.id);
+    var index = _groups.indexOf(oldGroup);
+    _groups.replaceRange(index, index + 1, [podcastGroup]);
+    notifyListeners();
+    _saveGroup();
+  }
+
+  void _saveGroup() {
+    storage.saveGroup(_groups.map((it) => it.toEntity()).toList());
+  }
+
+  Future subscribe(PodcastLocal podcastLocal) async {
+    _groups[0].podcastList.add(podcastLocal.id);
+    _saveGroup();
+    await dbHelper.savePodcastLocal(podcastLocal);
+    await _groups[0].getPodcasts();
+    notifyListeners();
+  }
+
+  List<PodcastGroup> getPodcastGroup(String id) {
+    List<PodcastGroup> result =[];
+    _groups.forEach((group) {
+      if (group.podcastList.contains(id)) {
+        result.add(group);
+      }
+    });
+    return result;
+  }
+
+  changeGroup(String id, List<String> l) {
+    _groups.forEach((group) {
+      if (group.podcastList.contains(id)) {
+        group.podcastList.remove(id);
+      }
+    });
+    l.forEach((s) {
+      _groups.forEach((group) {
+        if (group.name == s) group.podcastList.add(id);
+      });
+    });
+    notifyListeners();
+    _saveGroup();
+  }
+}

lib/class/podcastlocal.dart

@@ -1,4 +1,6 @@
 
+import 'package:uuid/uuid.dart';
+
 class PodcastLocal {
   final String title;
   final String imageUrl;
@@ -6,5 +8,7 @@ class PodcastLocal {
   final String author;
   String description;
   final String primaryColor;
-  PodcastLocal(this.title, this.imageUrl, this.rssUrl, this.primaryColor, this.author);
+  final String id; 
+  PodcastLocal(this.title, this.imageUrl, this.rssUrl, this.primaryColor, this.author,{String id}) : id = id ?? Uuid().v4();
 }
+

lib/class/settingstate.dart

@@ -1,19 +1,13 @@
 import 'package:flutter/foundation.dart';
 
-enum Setting {start, stop}
+//two types podcast update, backhome nedd to back to default grooup.
+enum Update {backhome, justupdate}
 class SettingState extends ChangeNotifier{
-  Setting _subscribeupdate;
+  Update _subscribeupdate;
-  Setting get subscribeupdate => _subscribeupdate;
+  Update get subscribeupdate => _subscribeupdate;
-  set subscribeUpdate(Setting s){
+  set subscribeUpdate(Update s){
     _subscribeupdate = s;
     notifyListeners();
   }
-  Setting _themeupdate;
-  Setting get themeUpdate => _themeupdate;
-  set themeUpdate(Setting s){
-    _themeupdate = s;
-    notifyListeners();
-  }
-
 }
 

lib/episodes/episodedetail.dart

@@ -1,22 +1,23 @@
+import 'dart:io';
 import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:flutter_html/flutter_html.dart';
-import 'package:cached_network_image/cached_network_image.dart';
 import 'package:url_launcher/url_launcher.dart';
+import 'package:path_provider/path_provider.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:tsacdop/class/audiostate.dart';
 import 'package:tsacdop/class/episodebrief.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 import 'episodedownload.dart';
 
-enum DownloadState { stop, load, donwload, complete, error }
-
 class EpisodeDetail extends StatefulWidget {
   final EpisodeBrief episodeItem;
   final String heroTag;
-  EpisodeDetail({this.episodeItem, this.heroTag, Key key}) : super(key: key);
+  final String path;
+  EpisodeDetail({this.episodeItem, this.heroTag, this.path, Key key})
+      : super(key: key);
 
   @override
   _EpisodeDetailState createState() => _EpisodeDetailState();
@@ -26,7 +27,10 @@ class _EpisodeDetailState extends State<EpisodeDetail> {
   final textstyle = TextStyle(fontSize: 15.0, color: Colors.black);
   double downloadProgress;
   bool _loaddes;
+  String path;
   Future getSDescription(String title) async {
+    var dir = await getApplicationDocumentsDirectory();
+    path = dir.path;
     var dbHelper = DBHelper();
     widget.episodeItem.description = await dbHelper.getDescription(title);
     if (mounted)
@@ -62,7 +66,7 @@ class _EpisodeDetailState extends State<EpisodeDetail> {
       ),
       body: Container(
         color: Colors.grey[100],
-        padding: EdgeInsets.all(12.0),
+        padding: EdgeInsets.all(10.0),
         child: Column(
           mainAxisAlignment: MainAxisAlignment.start,
           mainAxisSize: MainAxisSize.min,
@@ -77,7 +81,7 @@ class _EpisodeDetailState extends State<EpisodeDetail> {
                     alignment: Alignment.topLeft,
                     child: Text(
                       widget.episodeItem.title,
-                      style: Theme.of(context).textTheme.title,
+                      style: Theme.of(context).textTheme.headline5,
                     ),
                   ),
                   Container(
@@ -144,7 +148,8 @@ class _EpisodeDetailState extends State<EpisodeDetail> {
               child: Container(
                 padding: EdgeInsets.only(left: 12.0, right: 12.0, top: 5.0),
                 child: SingleChildScrollView(
-                  child: (widget.episodeItem.description != null && _loaddes)
+                  child:  _loaddes
+                      ? (widget.episodeItem.description.contains('<'))
                           ? Html(
                               data: widget.episodeItem.description,
                               onLinkTap: (url) {
@@ -152,6 +157,9 @@ class _EpisodeDetailState extends State<EpisodeDetail> {
                               },
                               useRichText: true,
                             )
+                          : Container(
+                              alignment: Alignment.topLeft,
+                              child: Text(widget.episodeItem.description))
                       : Center(),
                 ),
               ),
@@ -159,7 +167,7 @@ class _EpisodeDetailState extends State<EpisodeDetail> {
             MenuBar(
                 episodeItem: widget.episodeItem,
                 heroTag: widget.heroTag,
-            ),
+                path: widget.path),
           ],
         ),
       ),
@@ -168,9 +176,11 @@ class _EpisodeDetailState extends State<EpisodeDetail> {
 }
 
 class MenuBar extends StatefulWidget {
+  final String path;
   final EpisodeBrief episodeItem;
   final String heroTag;
-  MenuBar({this.episodeItem, this.heroTag, Key key}) : super(key: key);
+  MenuBar({this.episodeItem, this.heroTag, this.path, Key key})
+      : super(key: key);
   @override
   _MenuBarState createState() => _MenuBarState();
 }
@@ -204,7 +214,7 @@ class _MenuBarState extends State<MenuBar> {
     _like = widget.episodeItem.liked;
   }
 
-  Widget _buttonOnMenu(Widget widget, Function() onTap) => Material(
+  Widget _buttonOnMenu(Widget widget, VoidCallback onTap) => Material(
         color: Colors.transparent,
         child: InkWell(
           onTap: onTap,
@@ -232,7 +242,8 @@ class _MenuBarState extends State<MenuBar> {
             (widget.episodeItem.title == urlChange.title &&
                     urlChange.audioState == AudioState.play)
                 ? ImageRotate(
-                    url: widget.episodeItem.imageUrl,
+                    title: widget.episodeItem.feedTitle,
+                    path: widget.path,
                   )
                 : Hero(
                     tag: widget.episodeItem.enclosureUrl + widget.heroTag,
@@ -244,9 +255,8 @@ class _MenuBarState extends State<MenuBar> {
                           height: 30.0,
                           width: 30.0,
                           color: Colors.white,
-                          child: CachedNetworkImage(
+                          child: Image.file(File(
-                            imageUrl: widget.episodeItem.imageUrl,
+                              "${widget.path}/${widget.episodeItem.feedTitle}.png")),
-                          ),
                         ),
                       ),
                     ),
@@ -300,8 +310,16 @@ class _MenuBarState extends State<MenuBar> {
                         padding: EdgeInsets.symmetric(horizontal: 20.0),
                         child: Row(
                           children: <Widget>[
-                            Text('Play Now', style: TextStyle(color: Colors.blue, fontSize: 15, fontWeight: FontWeight.bold,)),
+                            Text('Play Now',
-                            Icon(Icons.play_arrow, color: Colors.blue,),
+                                style: TextStyle(
+                                  color: Colors.blue,
+                                  fontSize: 15,
+                                  fontWeight: FontWeight.bold,
+                                )),
+                            Icon(
+                              Icons.play_arrow,
+                              color: Colors.blue,
+                            ),
                           ],
                         ),
                       ),
@@ -487,8 +505,9 @@ class _WaveLoaderState extends State<WaveLoader>
 }
 
 class ImageRotate extends StatefulWidget {
-  final String url;
+  final String title;
-  ImageRotate({this.url, Key key}) : super(key: key);
+  final String path;
+  ImageRotate({this.title, this.path, Key key}) : super(key: key);
   @override
   _ImageRotateState createState() => _ImageRotateState();
 }
@@ -541,9 +560,7 @@ class _ImageRotateState extends State<ImageRotate>
             height: 30.0,
             width: 30.0,
             color: Colors.white,
-            child: CachedNetworkImage(
+            child: Image.file(File("${widget.path}/${widget.title}.png")),
-              imageUrl: widget.url,
-            ),
           ),
         ),
       ),
@@ -590,29 +607,20 @@ class LoveOpen extends StatefulWidget {
 class _LoveOpenState extends State<LoveOpen>
     with SingleTickerProviderStateMixin {
   Animation _animationA;
-  Animation _animationB;
   AnimationController _controller;
 
-  var rect = RelativeRect.fromLTRB(100, 100, 100, 100);
-  var rectend = RelativeRect.fromLTRB(0, 0, 0, 0);
-
   @override
   void initState() {
     super.initState();
     _controller = AnimationController(
       vsync: this,
-      duration: Duration(milliseconds: 500),
+      duration: Duration(milliseconds: 100),
     );
 
     _animationA = Tween(begin: 0.0, end: 1.0).animate(_controller)
       ..addListener(() {
         if (mounted) setState(() {});
       });
-    _animationB =
-        RelativeRectTween(begin: rect, end: rectend).animate(_controller)
-          ..addListener(() {
-            if (mounted) setState(() {});
-          });
 
     _controller.forward();
     _controller.addStatusListener((status) {
@@ -658,22 +666,22 @@ class _LoveOpenState extends State<LoveOpen>
         children: <Widget>[
           Row(
             children: <Widget>[
-              _littleHeart(1.3, 10, -math.pi/6),
+              _littleHeart(0.5, 10, -math.pi / 6),
-              _littleHeart(1.5, 3, 0),
+              _littleHeart(1.2, 3, 0),
             ],
           ),
           Row(
             children: <Widget>[
               _littleHeart(0.8, 6, math.pi * 1.5),
-              _littleHeart(1.2, 24, math.pi/2),
+              _littleHeart(0.9, 24, math.pi / 2),
             ],
           ),
           Row(
             mainAxisAlignment: MainAxisAlignment.start,
             children: <Widget>[
               _littleHeart(1, 8, -math.pi * 0.7),
-              _littleHeart(1.3, 8, math.pi),
+              _littleHeart(0.8, 8, math.pi),
-              _littleHeart(1.1, 3, -math.pi*1.2)
+              _littleHeart(0.6, 3, -math.pi * 1.2)
             ],
           ),
         ],

lib/episodes/episodedownload.dart

@@ -8,8 +8,9 @@ import 'package:path_provider/path_provider.dart';
 import 'package:flutter_downloader/flutter_downloader.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+import 'package:tsacdop/class/downloadstate.dart';
 import 'package:tsacdop/class/episodebrief.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 
 class DownloadButton extends StatefulWidget {
   final EpisodeBrief episodeBrief;
@@ -151,8 +152,8 @@ class _DownloadButtonState extends State<DownloadButton> {
 
     _task = _TaskInfo(
       name: widget.episodeBrief.title,
-        link: widget.episodeBrief.enclosureUrl);
+      link: widget.episodeBrief.enclosureUrl,
-
+    );
     tasks?.forEach((task) {
       if (_task.link == task.url) {
         _task.taskId = task.taskId;
@@ -203,13 +204,28 @@ class _DownloadButtonState extends State<DownloadButton> {
 
   @override
   Widget build(BuildContext context) {
-    return _downloadButton(_task);
+    return _isLoading
+        ? Center()
+        : Row(
+            children: <Widget>[
+              _downloadButton(_task),
+              AnimatedContainer(
+                  duration: Duration(seconds: 1),
+                  decoration: BoxDecoration(
+                      color: Colors.cyan[300],
+                      borderRadius: BorderRadius.all(Radius.circular(15.0))),
+                  height: 20.0,
+                  width:
+                      (_task.status == DownloadTaskStatus.running) ? 50.0 : 0,
+                  alignment: Alignment.center,
+                  child: Text('${_task.progress}%',
+                      style: TextStyle(color: Colors.white))),
+            ],
+          );
   }
 
   Widget _downloadButton(_TaskInfo task) {
-    if (_isLoading)
+    if (task.status == DownloadTaskStatus.undefined) {
-      return Center();
-    else if (task.status == DownloadTaskStatus.undefined) {
       return _buttonOnMenu(
           Icon(
             Icons.arrow_downward,
@@ -217,13 +233,11 @@ class _DownloadButtonState extends State<DownloadButton> {
           ),
           () => _requestDownload(task));
     } else if (task.status == DownloadTaskStatus.running) {
-      return Row(
+      return Material(
-        children: <Widget>[
-          Material(
         color: Colors.transparent,
         child: InkWell(
           onTap: () {
-                _pauseDownload(task);
+            (task.progress > 0) ? _pauseDownload(task) : null;
           },
           child: Container(
             height: 50.0,
@@ -235,15 +249,12 @@ class _DownloadButtonState extends State<DownloadButton> {
               child: CircularProgressIndicator(
                 backgroundColor: Colors.grey[500],
                 strokeWidth: 2,
-                    valueColor: AlwaysStoppedAnimation<Color>(Colors.blue),
+                valueColor: AlwaysStoppedAnimation<Color>(Colors.cyan[300]),
                 value: task.progress / 100,
               ),
             ),
           ),
         ),
-          ),
-          Text('${task.progress}%', style: TextStyle(color: Colors.blue,),),
-        ],
       );
     } else if (task.status == DownloadTaskStatus.paused) {
       return Material(

lib/home/appbar/addpodcast.dart

@@ -11,9 +11,11 @@ import 'package:image/image.dart' as img;
 import 'package:fluttertoast/fluttertoast.dart';
 
 import 'package:tsacdop/class/importompl.dart';
+import 'package:tsacdop/class/podcast_group.dart';
 import 'package:tsacdop/class/searchpodcast.dart';
 import 'package:tsacdop/class/podcastlocal.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/class/settingstate.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 import 'package:tsacdop/home/home.dart';
 import 'package:tsacdop/home/appbar/popupmenu.dart';
 import 'package:tsacdop/webfeed/webfeed.dart';
@@ -211,7 +213,8 @@ class _SearchResultState extends State<SearchResult> {
   @override
   Widget build(BuildContext context) {
     ImportOmpl importOmpl = Provider.of<ImportOmpl>(context);
-
+    var groupList = Provider.of<GroupList>(context);
+     var _settingState = Provider.of<SettingState>(context);
     savePodcast(String rss) async {
       print(rss);
       if (mounted) setState(() => _adding = true);
@@ -240,17 +243,19 @@ class _SearchResultState extends State<SearchResult> {
         PodcastLocal podcastLocal = PodcastLocal(
             _p.title, _p.itunes.image.href, rss, _primaryColor, _p.author);
         podcastLocal.description = _p.description;
-        var dbHelper = DBHelper();
+        groupList.subscribe(podcastLocal);
-        await dbHelper.savePodcastLocal(podcastLocal);
 
         importOmpl.importState = ImportState.parse;
-
+        var dbHelper = DBHelper();
         await dbHelper.savePodcastRss(_p);
 
         importOmpl.importState = ImportState.complete;
-        importOmpl.importState = ImportState.stop;
+
+        _settingState.subscribeUpdate = Update.backhome;
+
         print('fatch data');
       } catch (e) {
+        importOmpl.importState = ImportState.error;
         Fluttertoast.showToast(
           msg: 'Network error, Subscribe failed',
           gravity: ToastGravity.BOTTOM,

lib/home/appbar/popupmenu.dart

@@ -4,6 +4,7 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:dio/dio.dart';
 import 'package:provider/provider.dart';
+import 'package:tsacdop/class/settingstate.dart';
 import 'package:xml/xml.dart' as xml;
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/services.dart';
@@ -13,7 +14,7 @@ import 'package:image/image.dart' as img;
 
 import 'about.dart';
 import 'package:tsacdop/class/podcastlocal.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 import 'package:tsacdop/class/importompl.dart';
 import 'package:tsacdop/webfeed/webfeed.dart';
 
@@ -43,10 +44,11 @@ class PopupMenu extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     ImportOmpl importOmpl = Provider.of<ImportOmpl>(context);
-
+    var _settingState = Provider.of<SettingState>(context);
     _refreshAll() async {
       var dbHelper = DBHelper();
-      List<PodcastLocal> podcastList = await dbHelper.getPodcastLocal();
+      List<PodcastLocal> podcastList =
+          await dbHelper.getPodcastLocalAll();
       await Future.forEach(podcastList, (podcastLocal) async {
         importOmpl.rssTitle = podcastLocal.title;
         importOmpl.importState = ImportState.parse;
@@ -83,12 +85,16 @@ class PopupMenu extends StatelessWidget {
             _p.title, _p.itunes.image.href, rss, _primaryColor, _p.author);
 
         podcastLocal.description = _p.description;
-        print('_p.description');
+        
         await dbHelper.savePodcastLocal(podcastLocal);
 
         importOmpl.importState = ImportState.parse;
 
         await dbHelper.savePodcastRss(_p);
+
+        importOmpl.importState = ImportState.complete;
+
+        _settingState.subscribeUpdate = Update.backhome;
       } catch (e) {
         importOmpl.importState = ImportState.error;
       }
@@ -110,8 +116,6 @@ class PopupMenu extends StatelessWidget {
             print(total[i].text);
           }
         }
-        importOmpl.importState = ImportState.complete;
-        importOmpl.importState = ImportState.stop;
         print('Import fisnished');
       } catch (e) {
         importOmpl.importState = ImportState.error;

lib/home/audio_player.dart

@@ -15,7 +15,7 @@ import 'package:tsacdop/class/audiostate.dart';
 import 'package:tsacdop/class/episodebrief.dart';
 import 'package:tsacdop/episodes/episodedetail.dart';
 import 'package:tsacdop/home/audiopanel.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 import 'package:tsacdop/util/pageroute.dart';
 
 final Logger _logger = Logger('audiofileplayer');
@@ -84,7 +84,9 @@ class _PlayerWidgetState extends State<PlayerWidget> {
     _remoteAudioLoading = true;
     Provider.of<Urlchange>(context, listen: false).audioState = AudioState.load;
 
-    if (_backgroundAudioPlaying == true) _backgroundAudio?.pause();
+    if (_backgroundAudioPlaying == true)
+    { _backgroundAudio?.pause();
+    AudioSystem.instance.stopBackgroundDisplay();}
     _backgroundAudio?.dispose();
     _backgroundAudio = Audio.loadFromRemoteUrl(url,
         onDuration: (double durationSeconds) {
@@ -135,7 +137,9 @@ class _PlayerWidgetState extends State<PlayerWidget> {
     _remoteAudioLoading = true;
     ByteData audio = getAudio(path);
     Provider.of<Urlchange>(context, listen: false).audioState = AudioState.load;
-    if (_backgroundAudioPlaying == true) _backgroundAudio?.pause();
+    if (_backgroundAudioPlaying == true) 
+    {_backgroundAudio?.pause();
+    AudioSystem.instance.stopBackgroundDisplay();}
     _backgroundAudio?.dispose();
     _backgroundAudio = Audio.loadFromByteData(audio,
         onDuration: (double durationSeconds) {

lib/home/home.dart

@@ -1,13 +1,10 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
-import 'package:tsacdop/podcasts/podcastlist.dart';
 import 'hometab.dart';
 import 'package:tsacdop/home/appbar/importompl.dart';
 import 'package:tsacdop/home/audio_player.dart';
 import 'homescroll.dart';
-import 'package:tsacdop/util/pageroute.dart';
-import 'package:tsacdop/podcasts/podcastmanage.dart';
 
 class Home extends StatelessWidget {
 
@@ -19,28 +16,6 @@ class Home extends StatelessWidget {
         mainAxisSize: MainAxisSize.min,
         children: <Widget>[
           Import(),
-          Container(
-            height: 30,
-            padding: EdgeInsets.symmetric(horizontal: 15),
-            alignment: Alignment.bottomRight,
-            child: GestureDetector(
-              onTap: () {
-                Navigator.push(
-                  context,
-                  SlideLeftRoute(page: PodcastManage()),
-                );
-              },
-              child: Container(
-                height: 30,
-                padding: EdgeInsets.all(5.0),
-                child: Text('See All',
-                    style: TextStyle(
-                      color: Colors.red[300],
-                      fontWeight: FontWeight.bold,
-                    )),
-              ),
-            ),
-          ),
           Container(child: ScrollPodcasts()),
           Expanded(
             child: MainTab(),

lib/home/homescroll.dart

@@ -6,15 +6,17 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:fluttertoast/fluttertoast.dart';
 
 import 'package:tsacdop/class/episodebrief.dart';
+import 'package:tsacdop/class/podcast_group.dart';
 import 'package:tsacdop/class/podcastlocal.dart';
 import 'package:tsacdop/class/importompl.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 
 import 'package:tsacdop/episodes/episodedetail.dart';
 import 'package:tsacdop/podcasts/podcastdetail.dart';
-import 'package:tsacdop/podcasts/podcastlist.dart';
+import 'package:tsacdop/podcasts/podcastmanage.dart';
 import 'package:tsacdop/util/pageroute.dart';
 import 'package:tsacdop/class/settingstate.dart';
 
@@ -25,78 +27,160 @@ class ScrollPodcasts extends StatefulWidget {
 
 class _ScrollPodcastsState extends State<ScrollPodcasts> {
   var dir;
-  bool _loading;
+  int _groupIndex;
-  List<PodcastLocal> podcastList;
+  bool _loaded;
-
-  getPodcastLocal() async {
-    var dbHelper = DBHelper();
-    podcastList = await dbHelper.getPodcastLocal();
-    dir = await getApplicationDocumentsDirectory();
-    setState(() {
-      _loading = true;
-    });
-  }
 
   ImportState importState;
-  Setting subscribeUpdate;
+  Update subscribeUpdate;
 
   @override
   void didChangeDependencies() {
     super.didChangeDependencies();
-    final importState = Provider.of<ImportOmpl>(context).importState;
+    subscribeUpdate = Provider.of<SettingState>(context).subscribeupdate;
-    final subscribeUpdate = Provider.of<SettingState>(context).subscribeupdate;
+    if (subscribeUpdate == Update.backhome) {
-    if (importState == ImportState.complete ||
-        subscribeUpdate == Setting.start) {
       setState(() {
-         getPodcastLocal();
+        _groupIndex = 0;
       });
+    } else if (subscribeUpdate == Update.justupdate) {
+      setState(() {});
     }
   }
 
   @override
   void initState() {
     super.initState();
-    _loading = false;
+    _loaded = false;
-    getPodcastLocal();
+    _groupIndex = 0;
+    getApplicationDocumentsDirectory().then((value) {
+      dir = value.path;
+      setState(() => _loaded = true);
+    });
   }
 
   @override
   Widget build(BuildContext context) {
     double _width = MediaQuery.of(context).size.width;
-    return !_loading
+    return Consumer<GroupList>(builder: (_, groupList, __) {
+      var groups = groupList.groups;
+      bool isLoading = groupList.isLoading;
+      return isLoading
           ? Container(
               height: (_width - 20) / 3 + 110,
+              child: SizedBox(
+                height: 20.0,
+                width: 20.0,
+                child: CircularProgressIndicator()),
             )
           : DefaultTabController(
-            length: podcastList.length,
+              length: groups[_groupIndex].podcastList.length,
               child: Column(
                 mainAxisAlignment: MainAxisAlignment.start,
                 mainAxisSize: MainAxisSize.min,
+                children: <Widget>[
+                  GestureDetector(
+                    onVerticalDragEnd: (event) {
+                      if (event.primaryVelocity > 200) {
+                        if (groups.length == 1) {
+                          Fluttertoast.showToast(
+                            msg: 'Add some groups',
+                            gravity: ToastGravity.BOTTOM,
+                          );
+                        } else {
+                          if (mounted)
+                            setState(() {
+                              (_groupIndex != 0)
+                                  ? _groupIndex--
+                                  : _groupIndex = groups.length - 1;
+                            });
+                        }
+                      } else if (event.primaryVelocity < -200) {
+                        if (groups.length == 1) {
+                          Fluttertoast.showToast(
+                            msg: 'Add some groups',
+                            gravity: ToastGravity.BOTTOM,
+                          );
+                        } else {
+                          setState(() {
+                            (_groupIndex < groups.length - 1)
+                                ? _groupIndex++
+                                : _groupIndex = 0;
+                          });
+                        }
+                      }
+                    },
+                    child: Column(
                       children: <Widget>[
                         Container(
+                          child: Row(
+                            children: <Widget>[
+                              Container(
+                                  padding:
+                                      EdgeInsets.symmetric(horizontal: 15.0),
+                                  child: Text(
+                                    groups[_groupIndex].name,
+                                    style: TextStyle(
+                                        fontWeight: FontWeight.bold,
+                                        color: Colors.red[300]),
+                                  )),
+                              Spacer(),
+                              Container(
+                                height: 30,
+                                padding: EdgeInsets.symmetric(horizontal: 15),
+                                alignment: Alignment.bottomRight,
+                                child: InkWell(
+                                  onTap: () {
+                                    Navigator.push(
+                                      context,
+                                      SlideLeftRoute(page: PodcastManage()),
+                                    );
+                                  },
+                                  child: Container(
+                                    height: 30,
+                                    padding: EdgeInsets.all(5.0),
+                                    child: Text('See All',
+                                        style: TextStyle(
+                                          color: Colors.red[300],
+                                          fontWeight: FontWeight.bold,
+                                        )),
+                                  ),
+                                ),
+                              ),
+                            ],
+                          ),
+                        ),
+                        Container(
+                          color: Colors.white10,
                           height: 70,
+                          width: _width,
                           alignment: Alignment.centerLeft,
                           child: TabBar(
                             labelPadding: EdgeInsets.only(
                                 top: 5.0, bottom: 10.0, left: 6.0, right: 6.0),
-                    indicator:
+                            indicator: CircleTabIndicator(
-                        CircleTabIndicator(color: Colors.blue, radius: 3),
+                                color: Colors.blue, radius: 3),
                             isScrollable: true,
-                    tabs: podcastList.map<Tab>((PodcastLocal podcastLocal) {
+                            tabs: groups[_groupIndex].podcasts
+                                .map<Tab>((PodcastLocal podcastLocal) {
                               return Tab(
                                 child: ClipRRect(
-                          borderRadius: BorderRadius.all(Radius.circular(25.0)),
+                                  borderRadius:
+                                      BorderRadius.all(Radius.circular(25.0)),
                                   child: LimitedBox(
                                     maxHeight: 50,
                                     maxWidth: 50,
-                            child: Image.file(
+                                    child: !_loaded
-                                File("${dir.path}/${podcastLocal.title}.png")),
+                                        ? CircularProgressIndicator()
+                                        : Image.file(File(
+                                            "$dir/${podcastLocal.title}.png")),
                                   ),
                                 ),
                               );
                             }).toList(),
                           ),
                         ),
+                      ],
+                    ),
+                  ),
                   Container(
                     height: (_width - 20) / 3 + 40,
                     margin: EdgeInsets.only(left: 10, right: 10),
@@ -104,8 +188,8 @@ class _ScrollPodcastsState extends State<ScrollPodcasts> {
                       color: Colors.white,
                     ),
                     child: TabBarView(
-                    children:
+                      children: groups[_groupIndex].podcasts
-                        podcastList.map<Widget>((PodcastLocal podcastLocal) {
+                          .map<Widget>((PodcastLocal podcastLocal) {
                         return Container(
                           decoration: BoxDecoration(color: Colors.grey[100]),
                           margin: EdgeInsets.symmetric(horizontal: 5.0),
@@ -120,6 +204,7 @@ class _ScrollPodcastsState extends State<ScrollPodcasts> {
                 ],
               ),
             );
+    });
   }
 }
 
@@ -250,6 +335,7 @@ class ShowEpisode extends StatelessWidget {
                         episodeItem: podcast[index],
                         heroTag: 'scroll',
                         //unique hero tag
+                        path: path,
                       )),
                     );
                   },

lib/home/hometab.dart

@@ -2,7 +2,7 @@ import 'dart:ui';
 
 import 'package:flutter/material.dart';
 import 'package:tsacdop/class/episodebrief.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 import 'package:tsacdop/util/episodegrid.dart';
 
 class MainTab extends StatefulWidget {

lib/local_storage/key_value_storage.dart

@@ -0,0 +1,34 @@
+import 'dart:async';
+import 'dart:convert';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:tsacdop/class/podcast_group.dart';
+
+class KeyValueStorage {
+  final String key;
+  KeyValueStorage(this.key);
+
+  Future<List<GroupEntity>> getGroups() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    if (prefs.getString(key) == null) {
+      PodcastGroup home = PodcastGroup('Home');
+      await prefs.setString(
+          key,
+          json.encode({
+            'groups': [home.toEntity().toJson()]
+          }));}
+      print(prefs.getString(key));
+      return json
+          .decode(prefs.getString(key))['groups']
+          .cast<Map<String, Object>>()
+          .map<GroupEntity>(GroupEntity.fromJson)
+          .toList(growable: false);
+    }
+  
+  Future<bool> saveGroup(List<GroupEntity> groupList) async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    return prefs.setString(
+        key,
+        json.encode(
+            {'groups': groupList.map((group) => group.toJson()).toList()}));
+  }
+}

lib/local_storage/sqflite_localpodcast.dart

@@ -5,8 +5,8 @@ import 'package:path/path.dart';
 import 'package:intl/intl.dart';
 import 'package:flutter_downloader/flutter_downloader.dart';
 import 'package:path_provider/path_provider.dart';
-import 'podcastlocal.dart';
+import 'package:tsacdop/class/podcastlocal.dart';
-import 'episodebrief.dart';
+import 'package:tsacdop/class/episodebrief.dart';
 import 'package:tsacdop/webfeed/webfeed.dart';
 
 class DBHelper {
@@ -25,49 +25,59 @@ class DBHelper {
   }
 
   void _onCreate(Database db, int version) async {
-    await db.execute(
+    await db
-        """CREATE TABLE PodcastLocal(id INTEGER PRIMARY KEY,title TEXT, 
+        .execute("""CREATE TABLE PodcastLocal(id TEXT PRIMARY KEY,title TEXT, 
         imageUrl TEXT,rssUrl TEXT UNIQUE,primaryColor TEXT,author TEXT, 
-        description TEXT, add_date INTEGER, order_id INTEGER default 0)""");
+        description TEXT, add_date INTEGER, order_id INTEGER DEFAULT 0)""");
     await db
         .execute("""CREATE TABLE Episodes(id INTEGER PRIMARY KEY,title TEXT, 
         enclosure_url TEXT UNIQUE, enclosure_length INTEGER, pubDate TEXT, 
         description TEXT, feed_title TEXT, feed_link TEXT, milliseconds INTEGER, 
         duration INTEGER DEFAULT 0, explicit INTEGER DEFAULT 0, liked INTEGER DEFAULT 0, 
         downloaded TEXT DEFAULT 'ND', download_date INTEGER DEFAULT 0)""");
-    await db.execute(
-        """CREATE TABLE Setting(id INTEGER PRIMARY KEY, setting TEXT, setting_value INTEGER DEFAULT 0)""");
-    await db
-        .execute("""INSERT INTO Setting (setting) VALUES('podcasts_order') """);
   }
 
-  Future<List<PodcastLocal>> getPodcastLocal() async {
+  Future<List<PodcastLocal>> getPodcastLocal(
+      List<String> podcasts, int podcastsOrder) async {
     var dbClient = await database;
-    //query podcasts order setting
+    List<PodcastLocal> podcastLocal = List();
-    List<Map> setting = await dbClient.rawQuery("SELECT setting_value FROM Setting WHERE setting = 'podcasts_order'");
-    int podcastsOrder = setting.first['setting_value'];
-    List<Map> list;
-    if (podcastsOrder == 0)
-     { list = await dbClient.rawQuery(
-        'SELECT title, imageUrl, rssUrl, primaryColor, author FROM PodcastLocal ORDER BY add_date DESC');
-        print('Get podcasts list Ordered by 0');}
-    else if (podcastsOrder == 1)
-     { list = await dbClient.rawQuery(
-        'SELECT title, imageUrl, rssUrl, primaryColor, author FROM PodcastLocal ORDER BY add_date');}
-    else if (podcastsOrder ==2)
-     { list = await dbClient.rawQuery(
-        'SELECT title, imageUrl, rssUrl, primaryColor, author FROM PodcastLocal ORDER BY order_id');
-        print('Get podcasts list Ordered by 2');}
 
+    await Future.forEach(podcasts, (s) async {
+      List<Map> list;
+      if (podcastsOrder == 0) {
+        list = await dbClient.rawQuery(
+            'SELECT id, title, imageUrl, rssUrl, primaryColor, author FROM PodcastLocal WHERE id = ? ORDER BY add_date DESC',
+            [s]);
+      } else if (podcastsOrder == 1) {
+        list = await dbClient.rawQuery(
+            'SELECT id, title, imageUrl, rssUrl, primaryColor, author FROM PodcastLocal WHERE id = ? ORDER BY add_date',
+            [s]);
+      } else if (podcastsOrder == 2) {
+        list = await dbClient.rawQuery(
+            'SELECT id, title, imageUrl, rssUrl, primaryColor, author FROM PodcastLocal WHERE id = ? ORDER BY order_id , add_date DESC',
+            [s]);
+        print('Get podcasts list Ordered by 2');
+      }
+      podcastLocal.add(PodcastLocal(
+          list.first['title'],
+          list.first['imageUrl'],
+          list.first['rssUrl'],
+          list.first['primaryColor'],
+          list.first['author'],
+          id: list.first['id']));
+    });
+    return podcastLocal;
+  }
+
+  Future<List<PodcastLocal>> getPodcastLocalAll() async {
+    var dbClient = await database;
+    List<Map> list = await dbClient.rawQuery(
+        'SELECT title, imageUrl, rssUrl, primaryColor, author FROM PodcastLocal ORDER BY add_date DESC');
     List<PodcastLocal> podcastLocal = List();
     for (int i = 0; i < list.length; i++) {
-      podcastLocal.add(PodcastLocal(
+      podcastLocal.add(PodcastLocal(list[i]['title'], list[i]['imageUrl'],
-        list[i]['title'],
+          list[i]['rssUrl'], list[i]['primaryColor'], list[i]['author'],
-        list[i]['imageUrl'],
+          id: list[i]['id']));
-        list[i]['rssUrl'],
-        list[i]['primaryColor'],
-        list[i]['author'],
-      ));
     }
     return podcastLocal;
   }
@@ -81,16 +91,6 @@ class DBHelper {
           [i, podcastList[i].title]);
       print(podcastList[i].title);
     }
-    await dbClient.rawUpdate(
-        "UPDATE OR IGNORE Setting SET setting_value = 2 WHERE setting = 'podcasts_order' ");
-    print('Changed order');
-  }
-  
-  updateOrderSetting(int value) async{
-      var dbClient = await database;
-      await dbClient.rawUpdate(
-        "UPDATE OR IGNORE Setting SET setting_value = ? WHERE setting = 'podcasts_order'",[value]);
-      
   }
 
   Future savePodcastLocal(PodcastLocal podcastLocal) async {
@@ -99,9 +99,10 @@ class DBHelper {
     var dbClient = await database;
     await dbClient.transaction((txn) async {
       return await txn.rawInsert(
-          """INSERT OR IGNORE INTO PodcastLocal (title, imageUrl, rssUrl, 
+          """INSERT OR IGNORE INTO PodcastLocal (id, title, imageUrl, rssUrl, 
-          primaryColor, author, description, add_date) VALUES(?, ?, ?, ?, ?, ?, ?)""",
+          primaryColor, author, description, add_date) VALUES(?, ?, ?, ?, ?, ?, ?, ?)""",
           [
+            podcastLocal.id,
             podcastLocal.title,
             podcastLocal.imageUrl,
             podcastLocal.rssUrl,
@@ -188,22 +189,22 @@ class DBHelper {
     } else {
       for (int i = 0; i < (_result - _count); i++) {
         print(_p.items[i].title);
-        _p.items[i].itunes.title != null
+        _title = _p.items[i].itunes.title ?? _p.items[i].title;
-            ? _title = _p.items[i].itunes.title
+        _p.items[i].itunes.summary.contains('<')
-            : _title = _p.items[i].title;
-        _p.items[i].itunes.summary != null
             ? _description = _p.items[i].itunes.summary
             : _description = _p.items[i].description;
+
         isXimalaya(_p.items[i].enclosure.url)
             ? _url = _p.items[i].enclosure.url.split('=').last
             : _url = _p.items[i].enclosure.url;
+
         final _length = _p.items[i].enclosure.length;
         final _pubDate = _p.items[i].pubDate;
         final _date = _parsePubDate(_pubDate);
         final _milliseconds = _date.millisecondsSinceEpoch;
-        (_p.items[i].itunes.duration != null)
+
-            ? _duration = _p.items[i].itunes.duration.inMinutes
+        _duration = _p.items[i].itunes.duration?.inMinutes ?? 0;
-            : _duration = 0;
+
         final _explicit = getExplicit(_p.items[i].itunes.explicit);
         if (_p.items[i].enclosure.url != null) {
           await dbClient.transaction((txn) {
@@ -384,7 +385,6 @@ class DBHelper {
     int count = await dbClient.rawUpdate(
         "UPDATE Episodes SET downloaded = ?, download_date = ? WHERE enclosure_url = ?",
         [id, _milliseconds, url]);
-    print('Downloaded ' + url);
     return count;
   }
 

lib/main.dart

@@ -1,8 +1,12 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_statusbarcolor/flutter_statusbarcolor.dart';
 import 'package:provider/provider.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_downloader/flutter_downloader.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:tsacdop/class/podcast_group.dart';
 import 'package:tsacdop/home/appbar/addpodcast.dart';
 import 'package:tsacdop/class/audiostate.dart';
 import 'package:tsacdop/class/importompl.dart';
@@ -15,6 +19,7 @@ void main() async {
         ChangeNotifierProvider(create: (context) => Urlchange()),
         ChangeNotifierProvider(create: (context) => ImportOmpl()),
         ChangeNotifierProvider(create: (context) => SettingState()),
+        ChangeNotifierProvider(create: (context) => GroupList()),
       ],
       child: MyApp(),
     ),
@@ -23,22 +28,13 @@ void main() async {
   await FlutterDownloader.initialize();
   await SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
   await FlutterStatusbarcolor.setStatusBarColor(Colors.grey[100]);
-  if (useWhiteForeground(Colors.grey[100])) {
-  FlutterStatusbarcolor.setStatusBarWhiteForeground(true);
-} else {
-  FlutterStatusbarcolor.setStatusBarWhiteForeground(false);
-}
   await FlutterStatusbarcolor.setNavigationBarColor(Colors.grey[100]);
-  if (useWhiteForeground(Colors.grey[100])) {
-  FlutterStatusbarcolor.setNavigationBarWhiteForeground(true);
-} else {
-  FlutterStatusbarcolor.setNavigationBarWhiteForeground(false);
-}
 }
 
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
+   
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       title: 'TsacDop',

lib/podcasts/podcastdetail.dart

@@ -5,7 +5,7 @@ import 'dart:async';
 
 import 'package:tsacdop/class/podcastlocal.dart';
 import 'package:tsacdop/class/episodebrief.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 import 'package:tsacdop/util/episodegrid.dart';
 import 'package:tsacdop/webfeed/webfeed.dart';
 

lib/podcasts/podcastgroup.dart

@@ -0,0 +1,398 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:fluttertoast/fluttertoast.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:provider/provider.dart';
+import 'package:tsacdop/class/podcast_group.dart';
+import 'package:tsacdop/class/podcastlocal.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
+import 'package:tsacdop/class/settingstate.dart';
+
+class PodcastGroupList extends StatefulWidget {
+  final PodcastGroup group;
+  PodcastGroupList({this.group, Key key}) : super(key: key);
+  @override
+  _PodcastGroupListState createState() => _PodcastGroupListState();
+}
+
+class _PodcastGroupListState extends State<PodcastGroupList> {
+  bool _loading;
+  bool _loadSave;
+  String dir;
+
+  @override
+  void initState() {
+    super.initState();
+    _loading = false;
+    _loadSave = false;
+    getApplicationDocumentsDirectory().then((value) {
+      dir = value.path;
+      setState(() {
+        _loading = true;
+      });
+    });
+  }
+
+  Widget _saveButton(BuildContext context) {
+    var _settingState = Provider.of<SettingState>(context);
+    _saveOrder(List<PodcastLocal> podcastList) async {
+      var dbHelper = DBHelper();
+      await dbHelper.saveOrder(podcastList);
+    }
+
+    var podcastList = widget.group.podcasts;
+    return Container(
+      child: InkWell(
+        child: AnimatedContainer(
+            duration: Duration(milliseconds: 800),
+            width: _loadSave ? 70 : 0,
+            height: 40,
+            decoration: BoxDecoration(
+                color: Colors.blue,
+                borderRadius: BorderRadius.all(Radius.circular(5.0))),
+            alignment: Alignment.center,
+            child: Text(
+              'Save',
+              style: TextStyle(color: Colors.white),
+              maxLines: 1,
+            )),
+        onTap: () async {
+          await _saveOrder(podcastList);
+          Fluttertoast.showToast(
+            msg: 'Setting Saved',
+            gravity: ToastGravity.BOTTOM,
+          );
+          _settingState.subscribeUpdate = Update.justupdate;
+          setState(() {
+            _loadSave = false;
+          });
+        },
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return widget.group.podcastList.length == 0
+    ? Center()
+    : Container(
+      color: Colors.grey[100],
+      child: Stack(
+        children: <Widget>[
+          ReorderableListView(
+            onReorder: (int oldIndex, int newIndex) {
+              setState(() {
+                if (newIndex > oldIndex) {
+                  newIndex -= 1;
+                }
+                final PodcastLocal podcast =
+                    widget.group.podcasts.removeAt(oldIndex);
+                widget.group.podcasts.insert(newIndex, podcast);
+                _loadSave = true;
+              });
+            },
+            children:
+                widget.group.podcasts.map<Widget>((PodcastLocal podcastLocal) {
+              return Container(
+                decoration: BoxDecoration(color: Colors.grey[100]),
+                key: ObjectKey(podcastLocal.title),
+                child: !_loading
+                    ? CircularProgressIndicator()
+                    : PodcastCard(
+                        path: dir,
+                        podcastLocal: podcastLocal,
+                        group: widget.group.name,
+                      ),
+              );
+            }).toList(),
+          ),
+          AnimatedPositioned(
+            duration: Duration(seconds: 1),
+            bottom: 30,
+            right: _loadSave ? 50 : 0,
+            child: Center(),
+            //_saveButton(context),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class PodcastCard extends StatefulWidget {
+  final PodcastLocal podcastLocal;
+  final String path;
+  final String group;
+  PodcastCard({this.podcastLocal, this.path, this.group, Key key})
+      : super(key: key);
+  @override
+  _PodcastCardState createState() => _PodcastCardState();
+}
+
+class _PodcastCardState extends State<PodcastCard> {
+  bool _loadMenu;
+  bool _remove;
+  bool _addGroup;
+  bool _loadGroup;
+  List<String> _selectedGroups;
+  List<String> _belongGroups;
+  Color _c;
+
+  _unSubscribe(String title) async {
+    var dbHelper = DBHelper();
+    await dbHelper.delPodcastLocal(title);
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _loadMenu = false;
+    _remove = false;
+    _addGroup = false;
+    _loadGroup = false;
+  }
+
+  Widget _buttonOnMenu(Widget widget, VoidCallback onTap) => Material(
+        color: Colors.transparent,
+        child: InkWell(
+          onTap: onTap,
+          child: Container(
+              height: 50.0,
+              padding: EdgeInsets.symmetric(horizontal: 15.0),
+              child: widget),
+        ),
+      );
+
+  @override
+  Widget build(BuildContext context) {
+    var color = json.decode(widget.podcastLocal.primaryColor);
+    (color[0] > 200 && color[1] > 200 && color[2] > 200)
+        ? _c = Color.fromRGBO(
+            (255 - color[0]), 255 - color[1], 255 - color[2], 1.0)
+        : _c = Color.fromRGBO(color[0], color[1], color[2], 1.0);
+    double _width = MediaQuery.of(context).size.width;
+    var _settingState = Provider.of<SettingState>(context);
+    var _groupList = Provider.of<GroupList>(context);
+    _selectedGroups = _groupList.groups.map((e) => e.name).toList();
+    _belongGroups = _groupList
+        .getPodcastGroup(widget.podcastLocal.id)
+        .map((e) => e.name)
+        .toList();
+    return _remove
+        ? Center()
+        : Column(
+            mainAxisSize: MainAxisSize.min,
+            children: <Widget>[
+              InkWell(
+                onTap: () => setState(() => _loadMenu = !_loadMenu),
+                child: Container(
+                  padding: EdgeInsets.symmetric(horizontal: 12),
+                  height: 100,
+                  child: Row(children: <Widget>[
+                    Container(
+                      child: Icon(
+                        Icons.unfold_more,
+                        color: _c,
+                      ),
+                    ),
+                    Container(
+                      child: ClipRRect(
+                        borderRadius: BorderRadius.all(Radius.circular(30)),
+                        child: Container(
+                          height: 60,
+                          width: 60,
+                          child: Image.file(File(
+                              "${widget.path}/${widget.podcastLocal.title}.png")),
+                        ),
+                      ),
+                    ),
+                    Container(
+                        width: _width / 2,
+                        padding: EdgeInsets.symmetric(horizontal: 10),
+                        alignment: Alignment.centerLeft,
+                        child: Column(
+                          mainAxisAlignment: MainAxisAlignment.start,
+                          mainAxisSize: MainAxisSize.min,
+                          children: <Widget>[
+                            Container(
+                              alignment: Alignment.centerLeft,
+                              child: Text(
+                                widget.podcastLocal.title,
+                                maxLines: 2,
+                                overflow: TextOverflow.fade,
+                                style: TextStyle(
+                                    fontWeight: FontWeight.bold, fontSize: 15),
+                              ),
+                            ),
+                            !_loadGroup
+                                ? Center()
+                                : Row(
+                                    children: _belongGroups.map((group) {
+                                      return Container(
+                                          padding: EdgeInsets.only(right: 5.0),
+                                          child: Text(group));
+                                    }).toList(),
+                                  ),
+                          ],
+                        )),
+                    Spacer(),
+                    Icon(_loadMenu
+                        ? Icons.keyboard_arrow_up
+                        : Icons.keyboard_arrow_down),
+                    Padding(
+                      padding: EdgeInsets.symmetric(horizontal: 5.0),
+                    ),
+                    OutlineButton(
+                      child: Text('Remove'),
+                      onPressed: () {
+                        showDialog(
+                            context: context,
+                            child: AlertDialog(
+                              title: Text('Remove confirm'),
+                              content: Text(
+                                  '${widget.podcastLocal.title} will be removed from device.'),
+                              actions: <Widget>[
+                                FlatButton(
+                                  onPressed: () => Navigator.of(context).pop(),
+                                  child: Text('CANCEL'),
+                                ),
+                                FlatButton(
+                                  onPressed: () {
+                                    _unSubscribe(widget.podcastLocal.title);
+                                    _settingState.subscribeUpdate =
+                                        Update.justupdate;
+                                    Navigator.of(context).pop();
+                                  },
+                                  child: Text(
+                                    'CONFIRM',
+                                    style: TextStyle(color: Colors.red),
+                                  ),
+                                )
+                              ],
+                            ));
+                      },
+                    ),
+                  ]),
+                ),
+              ),
+              !_loadMenu
+                  ? Center()
+                  : Container(
+                      child: Container(
+                        decoration: BoxDecoration(
+                            color: Colors.grey[100],
+                            border: Border(
+                                bottom: BorderSide(color: Colors.grey[300]),
+                                top: BorderSide(color: Colors.grey[300]))),
+                        height: 50,
+                        child: _addGroup
+                            ? Row(
+                                mainAxisAlignment: MainAxisAlignment.start,
+                                mainAxisSize: MainAxisSize.min,
+                                children: <Widget>[
+                                  Expanded(
+                                    flex: 4,
+                                    child: SingleChildScrollView(
+                                      scrollDirection: Axis.horizontal,
+                                      child: Consumer<GroupList>(
+                                        builder: (_, groupList, __) => Row(
+                                            children: groupList.groups
+                                                .map<Widget>(
+                                                    (PodcastGroup group) {
+                                          return Container(
+                                            padding: EdgeInsets.only(left: 5.0),
+                                            child: FilterChip(
+                                              key: ValueKey<String>(group.name),
+                                              label: Text(group.name),
+                                              selected: _belongGroups
+                                                      .contains(group.name) &&
+                                                  _selectedGroups
+                                                      .contains(group.name),
+                                              onSelected: (bool value) {
+                                                setState(() {
+                                                  if (!value) {
+                                                    _selectedGroups
+                                                        .remove(group.name);
+                                                  } else {
+                                                    _selectedGroups
+                                                        .add(group.name);
+                                                  }
+                                                });
+                                              },
+                                            ),
+                                          );
+                                        }).toList()),
+                                      ),
+                                    ),
+                                  ),
+                                  Expanded(
+                                    flex: 1,
+                                    child: Row(
+                                      children: <Widget>[
+                                        IconButton(
+                                          icon: Icon(Icons.clear),
+                                          onPressed: () => setState(() {
+                                            _addGroup = false;
+                                          }),
+                                        ),
+                                        IconButton(
+                                          onPressed: () async {
+                                            print(_selectedGroups);
+                                            if (_selectedGroups.length > 0) {
+                                              setState(() {
+                                                _addGroup = false;
+                                              });
+                                              await _groupList.changeGroup(
+                                                widget.podcastLocal.id,
+                                                _selectedGroups,
+                                              );
+                                              _settingState.subscribeUpdate =
+                                                  Update.justupdate;
+                                              Fluttertoast.showToast(
+                                                msg: 'Setting Saved',
+                                                gravity: ToastGravity.BOTTOM,
+                                              );
+                                              if (!_selectedGroups
+                                                  .contains(widget.group)) {
+                                                print(widget.group);
+                                                setState(() {
+                                                  _remove = true;
+                                                });
+                                              }
+                                            } else
+                                              Fluttertoast.showToast(
+                                                msg:
+                                                    'At least select one group',
+                                                gravity: ToastGravity.BOTTOM,
+                                              );
+                                          },
+                                          icon: Icon(Icons.done),
+                                        ),
+                                      ],
+                                    ),
+                                  )
+                                ],
+                              )
+                            : Row(
+                                mainAxisAlignment:
+                                    MainAxisAlignment.spaceEvenly,
+                                children: <Widget>[
+                                  _buttonOnMenu(Icon(Icons.fullscreen), () {}),
+                                  _buttonOnMenu(Icon(Icons.add), () {
+                                    setState(() {
+                                      _addGroup = true;
+                                    });
+                                  }),
+                                  _buttonOnMenu(
+                                      Icon(Icons.notifications), () {})
+                                ],
+                              ),
+                      ),
+                    ),
+            ],
+          );
+  }
+}

lib/podcasts/podcastlist.dart

@@ -6,9 +6,11 @@ import 'dart:async';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_html/flutter_html.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:provider/provider.dart';
 
 import 'package:tsacdop/class/podcastlocal.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/class/settingstate.dart';
+import 'package:tsacdop/local_storage/sqflite_localpodcast.dart';
 import 'package:tsacdop/podcasts/podcastdetail.dart';
 import 'package:tsacdop/util/pageroute.dart';
 
@@ -48,12 +50,14 @@ class _AboutPodcastState extends State<AboutPodcast> {
 
   @override
   Widget build(BuildContext context) {
+    var _settingState = Provider.of<SettingState>(context);
     return AlertDialog(
       actions: <Widget>[
         FlatButton(
           padding: EdgeInsets.all(10.0),
           onPressed: () {
             _unSubscribe(widget.podcastLocal.title);
+            _settingState.subscribeUpdate = Update.justupdate;
             Navigator.of(context).pop();
           },
           color: Colors.grey[200],
@@ -88,17 +92,25 @@ class PodcastList extends StatefulWidget {
 
 class _PodcastListState extends State<PodcastList> {
   var dir;
+
   Future<List<PodcastLocal>> getPodcastLocal() async {
     dir = await getApplicationDocumentsDirectory();
     var dbHelper = DBHelper();
-    var podcastList = await dbHelper.getPodcastLocal();
+    var podcastList = await dbHelper.getPodcastLocalAll();
     return podcastList;
   }
 
   @override
   Widget build(BuildContext context) {
     double _width = MediaQuery.of(context).size.width;
-    return Container(
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Podcasts'),
+        centerTitle: true,
+        backgroundColor: Colors.grey[100],
+        elevation: 0,
+      ),
+      body: Container(
         color: Colors.grey[100],
         child: FutureBuilder<List<PodcastLocal>>(
           future: getPodcastLocal(),
@@ -142,8 +154,8 @@ class _PodcastListState extends State<PodcastList> {
                                     height: 10.0,
                                   ),
                                   ClipRRect(
-                                  borderRadius:
+                                    borderRadius: BorderRadius.all(
-                                      BorderRadius.all(Radius.circular(_width/8)),
+                                        Radius.circular(_width / 8)),
                                     child: Container(
                                       height: _width / 4,
                                       width: _width / 4,
@@ -178,6 +190,7 @@ class _PodcastListState extends State<PodcastList> {
             return Text('NoData');
           },
         ),
+      ),
     );
   }
 }

lib/podcasts/podcastmanage.dart

@@ -1,13 +1,9 @@
-import 'dart:convert';
-import 'dart:io';
-
 import 'package:flutter/material.dart';
-import 'package:fluttertoast/fluttertoast.dart';
-import 'package:path_provider/path_provider.dart';
 import 'package:provider/provider.dart';
-import 'package:tsacdop/class/podcastlocal.dart';
+import 'package:tsacdop/class/podcast_group.dart';
-import 'package:tsacdop/class/sqflite_localpodcast.dart';
+import 'package:tsacdop/podcasts/podcastgroup.dart';
-import 'package:tsacdop/class/settingstate.dart';
+import 'package:tsacdop/podcasts/podcastlist.dart';
+import 'package:tsacdop/util/pageroute.dart';
 
 class PodcastManage extends StatefulWidget {
   @override
@@ -15,153 +11,209 @@ class PodcastManage extends StatefulWidget {
 }
 
 class _PodcastManageState extends State<PodcastManage> {
-  var dir;
+  Decoration getIndicator() {
-  bool _loading;
+    return const UnderlineTabIndicator(
-  bool _loadSave;
+        borderSide: BorderSide(color: Colors.red, width: 2),
-  Color _c;
+        insets: EdgeInsets.only(
-  double _width;
+          top: 10.0,
-  List<PodcastLocal> podcastList;
+        ));
-  getPodcastLocal() async {
-    dir = await getApplicationDocumentsDirectory();
-    var dbHelper = DBHelper();
-    podcastList = await dbHelper.getPodcastLocal();
-    setState(() {
-      _loading = true;
-    });
-  }
-
-  _unSubscribe(String title) async {
-    var dbHelper = DBHelper();
-    await dbHelper.delPodcastLocal(title);
-    print('Unsubscribe');
   }
 
   @override
   void initState() {
     super.initState();
-    _loading = false;
-    _loadSave = false;
-    getPodcastLocal();
-  }
-
-  void _onReorder(int oldIndex, int newIndex) {
-    setState(() {
-      if (newIndex > oldIndex) {
-        newIndex -= 1;
-      }
-      final PodcastLocal podcast = podcastList.removeAt(oldIndex);
-      podcastList.insert(newIndex, podcast);
-      _loadSave = true;
-    });
-  }
-
-  _saveOrder(List<PodcastLocal> podcastList) async {
-    var dbHelper = DBHelper();
-    await dbHelper.saveOrder(podcastList);
-  }
-
-  Widget _podcastCard(BuildContext context, PodcastLocal podcastLocal) {
-    var _settingState = Provider.of<SettingState>(context);
-    return Container(
-      padding: EdgeInsets.symmetric(horizontal: 12),
-      height: 100,
-      child: Row(children: <Widget>[
-        Container(
-          child: Icon(
-            Icons.unfold_more,
-            color: _c,
-          ),
-        ),
-        Container(
-          child: ClipRRect(
-            borderRadius: BorderRadius.all(Radius.circular(30)),
-            child: Container(
-              height: 60,
-              width: 60,
-              child: Image.file(File("${dir.path}/${podcastLocal.title}.png")),
-            ),
-          ),
-        ),
-        Container(
-            width: _width / 2,
-            padding: EdgeInsets.symmetric(horizontal: 10),
-            child: Text(
-              podcastLocal.title,
-              maxLines: 2,
-              overflow: TextOverflow.fade,
-            )),
-        Spacer(),
-        OutlineButton(
-          child: Text('Unsubscribe'),
-          onPressed: () {
-            _unSubscribe(podcastLocal.title);
-            _settingState.subscribeUpdate = Setting.start;
-            setState(() {
-              getPodcastLocal();
-            });
-          },
-        ),
-      ]),
-    );
   }
 
   @override
   Widget build(BuildContext context) {
-    _width = MediaQuery.of(context).size.width;
-    var _settingState = Provider.of<SettingState>(context);
     return Scaffold(
       appBar: AppBar(
-        title: Text('Podcasts'),
-        backgroundColor: Colors.grey[100],
         elevation: 0,
         centerTitle: true,
+        backgroundColor: Colors.grey[100],
+        title: Text('Groups'),
         actions: <Widget>[
-          !_loadSave
+          OrderMenu(),
-              ? Center()
-              : InkWell(
-                  child: Container(
-                      padding: EdgeInsets.all(20.0),
-                      alignment: Alignment.center,
-                      child: Text('Save')),
-                  onTap: () async{
-                    await _saveOrder(podcastList);
-                    Fluttertoast.showToast(
-                      msg: 'Saved',
-                      gravity: ToastGravity.BOTTOM,
-                    );
-                    _settingState.subscribeUpdate = Setting.start;
-                    setState(() {
-                      _loadSave = false;
-                    });
-                  },
-                ),
-          IconButton(
-            icon: Icon(Icons.menu),
-            onPressed: () {},
-          ),
         ],
       ),
-      body: Container(
+      body: Consumer<GroupList>(builder: (_, groupList, __) {
-        color: Colors.grey[100],
+        bool _isLoading = groupList.isLoading;
-        child: !_loading
+        List<PodcastGroup> _groups = groupList.groups;
-            ? CircularProgressIndicator()
+        return _isLoading
-            : ReorderableListView(
+            ? Center()
-                onReorder: _onReorder,
+            : DefaultTabController(
-                children: podcastList.map<Widget>((PodcastLocal podcastLocal) {
+                length: _groups.length,
-                  var color = json.decode(podcastLocal.primaryColor);
+                child: Column(
-                  (color[0] > 200 && color[1] > 200 && color[2] > 200)
+                  mainAxisAlignment: MainAxisAlignment.start,
-                      ? _c = Color.fromRGBO(
+                  mainAxisSize: MainAxisSize.min,
-                          (255 - color[0]), 255 - color[1], 255 - color[2], 1.0)
+                  children: <Widget>[
-                      : _c = Color.fromRGBO(color[0], color[1], color[2], 1.0);
+                    Row(
-                  return Container(
+                      children: <Widget>[
-                    decoration: BoxDecoration(color: Colors.grey[100]),
+                        Expanded(
-                    margin: EdgeInsets.symmetric(horizontal: 5.0),
+                          child: Container(
-                    key: ObjectKey(podcastLocal.title),
+                            height: 50,
-                    child: _podcastCard(context, podcastLocal),
+                            padding: EdgeInsets.symmetric(horizontal: 10.0),
+                            alignment: Alignment.centerLeft,
+                            child: TabBar(
+                              labelPadding: EdgeInsets.only(
+                                  top: 5.0,
+                                  bottom: 6.0,
+                                  left: 10.0,
+                                  right: 10.0),
+                              indicator: getIndicator(),
+                              isScrollable: true,
+                              tabs: _groups.map<Tab>((group) {
+                                return Tab(
+                                  child: Text(group.name),
                                 );
                               }).toList(),
                             ),
                           ),
+                        ),
+                        Container(
+                          child: FlatButton(
+                              onPressed: () => showDialog(
+                                  context: context,
+                                  builder: (BuildContext context) =>
+                                      AddGroup()),
+                              child: Icon(Icons.add)),
+                        ),
+                      ],
+                    ),
+                    Expanded(
+                      child: Container(
+                        child: TabBarView(
+                            children: _groups.map<Widget>((group) {
+                          return Container(
+                              key: ObjectKey(group),
+                              child: PodcastGroupList(group: group));
+                        }).toList(),),
+                      ),
+                    )
+                  ],
+                ));
+      }),
+    );
+  }
+}
+
+class OrderMenu extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return PopupMenuButton(
+      elevation: 3,
+      tooltip: 'Menu',
+      itemBuilder: (context) => [
+        PopupMenuItem(
+          value: 1,
+          child: Text('All Podcasts'),
+        ),
+        PopupMenuItem(
+          value: 2,
+          child: Text('New group'),
+        )
+      ],
+      onSelected: (value) {
+        if (value == 1) {
+          Navigator.push(context, ScaleRoute(page: PodcastList()));
+        }
+        if (value == 2) {
+          showDialog(
+              context: context, builder: (BuildContext context) => AddGroup());
+        }
+      },
+    );
+  }
+}
+
+class AddGroup extends StatefulWidget {
+  @override
+  _AddGroupState createState() => _AddGroupState();
+}
+
+class _AddGroupState extends State<AddGroup> {
+  TextEditingController _controller;
+  String _newGroup;
+  int _error;
+
+  @override
+  void initState() {
+    super.initState();
+    _error = 0;
+    _controller = TextEditingController();
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    var groupList = Provider.of<GroupList>(context);
+    List list = groupList.groups.map((e) => e.name).toList();
+    return AlertDialog(
+      elevation: 1,
+      contentPadding: EdgeInsets.symmetric(horizontal: 20),
+      titlePadding: EdgeInsets.only(top: 20, left: 20, right: 20, bottom: 20),
+      actionsPadding: EdgeInsets.all(0),
+      actions: <Widget>[
+        FlatButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: Text(
+            'CANCEL',
+            style: TextStyle(color: Colors.grey[700]),
+          ),
+        ),
+        FlatButton(
+          onPressed: () async {
+            if (list.contains(_newGroup)) {
+              setState(() => _error = 1);
+            } else {
+              groupList.addGroup(PodcastGroup(_newGroup));
+              Navigator.of(context).pop();
+            }
+          },
+          child: Text('DONE'),
+        )
+      ],
+      title: Text('Create new group'),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[
+          TextField(
+            decoration: InputDecoration(
+              contentPadding: EdgeInsets.symmetric(horizontal: 10),
+              hintText: 'New Group',
+              hintStyle: TextStyle(fontSize: 18),
+              filled: true,
+              focusedBorder: UnderlineInputBorder(
+                borderSide: BorderSide(color: Colors.white, width: 2.0),
+              ),
+              enabledBorder: UnderlineInputBorder(
+                borderSide: BorderSide(color: Colors.blue, width: 2.0),
+              ),
+            ),
+            cursorRadius: Radius.circular(2),
+            autofocus: true,
+            maxLines: 1,
+            controller: _controller,
+            onChanged: (value) {
+              _newGroup = value;
+            },
+          ),
+          Container(
+            alignment: Alignment.centerLeft,
+            child: (_error == 1)
+                ? Text(
+                    'Group existed',
+                    style: TextStyle(color: Colors.red[400]),
+                  )
+                : Center(),
+          ),
+        ],
+      ),
     );
   }
 }

lib/util/episodegrid.dart

@@ -25,7 +25,6 @@ class EpisodeGrid extends StatelessWidget {
       this.showNumber,
       this.heroTag})
       : super(key: key);
-  double _width;
   Future<String> _getPath() async {
     var dir = await getApplicationDocumentsDirectory();
     return dir.path;
@@ -33,7 +32,7 @@ class EpisodeGrid extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    _width = MediaQuery.of(context).size.width;
+    double _width = MediaQuery.of(context).size.width;
     return FutureBuilder(
         future: _getPath(),
         builder: (context, snapshot) {
@@ -67,7 +66,8 @@ class EpisodeGrid extends StatelessWidget {
                               ScaleRoute(
                                   page: EpisodeDetail(
                                       episodeItem: podcast[index],
-                                      heroTag: heroTag)),
+                                      heroTag: heroTag,
+                                      path: snapshot.data,)),
                             );
                           },
                           child: Container(

lib/webfeed/domain/rss_item.dart

@@ -46,14 +46,14 @@ class RssItem {
   factory RssItem.parse(XmlElement element) {
     return RssItem(
       title: findElementOrNull(element, "title")?.text,
-      description: findElementOrNull(element, "description")?.text,
+      description: findElementOrNull(element, "description")?.text?.trim() ?? 'No shownote provided for this episode',
-      link: findElementOrNull(element, "link")?.text,
+      link: findElementOrNull(element, "link")?.text?.trim(),
       categories: element.findElements("category").map((element) {
         return RssCategory.parse(element);
       }).toList(),
-      guid: findElementOrNull(element, "guid")?.text,
+     //guid: findElementOrNull(element, "guid")?.text,
-      pubDate: findElementOrNull(element, "pubDate")?.text,
+      pubDate: findElementOrNull(element, "pubDate")?.text?.trim(),
-      author: findElementOrNull(element, "author")?.text,
+      author: findElementOrNull(element, "author")?.text?.trim(),
      // comments: findElementOrNull(element, "comments")?.text,
      // source: RssSource.parse(findElementOrNull(element, "source")),
      // content: RssContent.parse(findElementOrNull(element, "content:encoded")),

lib/webfeed/domain/rss_itunes.dart

@@ -45,7 +45,7 @@ class RssItunes {
     }
     return RssItunes(
       author: findElementOrNull(element, "itunes:author")?.text?.trim(),
-      summary: findElementOrNull(element, "itunes:summary")?.text?.trim(),
+      summary: findElementOrNull(element, "itunes:summary")?.text?.trim() ?? '',
       explicit: parseBoolLiteral(element, "itunes:explicit"),
       title: findElementOrNull(element, "itunes:title")?.text?.trim(),
      // subtitle: findElementOrNull(element, "itunes:subtitle")?.text?.trim(),

pubspec.lock

@@ -36,13 +36,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.5"
-  cached_network_image:
-    dependency: "direct dev"
-    description:
-      name: cached_network_image
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "2.0.0"
   charcode:
     dependency: transitive
     description:
@@ -111,13 +104,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  flutter_cache_manager:
-    dependency: transitive
-    description:
-      name: flutter_cache_manager
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.1.3"
   flutter_downloader:
     dependency: "direct dev"
     description:
@@ -240,13 +226,6 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.0.4"
-  network_image_to_byte:
-    dependency: "direct dev"
-    description:
-      name: network_image_to_byte
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.0.1"
   path:
     dependency: transitive
     description:
@@ -317,6 +296,34 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.5"
+  shared_preferences:
+    dependency: "direct dev"
+    description:
+      name: shared_preferences
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.5.6+1"
+  shared_preferences_macos:
+    dependency: transitive
+    description:
+      name: shared_preferences_macos
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.0.1+5"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.0.1"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.1.2+3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -414,7 +421,7 @@ packages:
     source: hosted
     version: "0.1.1"
   uuid:
-    dependency: transitive
+    dependency: "direct dev"
     description:
       name: uuid
       url: "https://pub.flutter-io.cn"
@@ -443,4 +450,4 @@ packages:
     version: "3.5.0"
 sdks:
   dart: ">=2.6.0 <3.0.0"
-  flutter: ">=1.12.13 <2.0.0"
+  flutter: ">=1.12.13+hotfix.4 <2.0.0"

pubspec.yaml

@@ -29,16 +29,14 @@ dev_dependencies:
     sdk: flutter
   flutter_statusbarcolor: ^0.2.3
   json_annotation: any
-  cached_network_image: any
   sqflite: any
-  flutter_html: any
+  flutter_html: ^0.11.1 
   webfeed: any
   path_provider: any
   color_thief_flutter: ^1.0.1
   provider: ^4.0.1
   google_fonts: ^0.3.2
   dio: ^3.0.8
-  network_image_to_byte: ^0.0.1
   file_picker: ^1.2.0
   xml: ^3.5.0
   marquee: ^1.3.1
@@ -49,6 +47,10 @@ dev_dependencies:
   intl: ^0.16.1
   url_launcher: ^5.4.1
   image: ^2.1.4
+  shared_preferences: ^0.5.6+1
+  uuid: ^2.0.4
+
+
 
 
 # For information on the generic Dart part of this file, see the