340 lines
12 KiB
Dart
340 lines
12 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'dart:async';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:tsacdop/class/episodebrief.dart';
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import 'package:tsacdop/class/podcastlocal.dart';
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import 'package:tsacdop/class/importompl.dart';
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import 'package:tsacdop/class/sqflite_localpodcast.dart';
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import 'package:tsacdop/episodes/episodedetail.dart';
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import 'package:tsacdop/podcasts/podcastdetail.dart';
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import 'package:tsacdop/util/pageroute.dart';
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class ScrollPodcasts extends StatefulWidget {
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@override
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_ScrollPodcastsState createState() => _ScrollPodcastsState();
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}
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class _ScrollPodcastsState extends State<ScrollPodcasts> {
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var dir;
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Future<List<PodcastLocal>> getPodcastLocal() async {
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var dbHelper = DBHelper();
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List<PodcastLocal> podcastList = await dbHelper.getPodcastLocal();
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dir = await getApplicationDocumentsDirectory();
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return podcastList;
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}
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ImportState importState;
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didChangeDependencies() {
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super.didChangeDependencies();
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final importState = Provider.of<ImportOmpl>(context).importState;
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if (importState == ImportState.complete) {
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setState(() {});
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}
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}
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@override
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Widget build(BuildContext context) {
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return FutureBuilder<List<PodcastLocal>>(
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future: getPodcastLocal(),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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return DefaultTabController(
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length: snapshot.data.length,
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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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height: 70,
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alignment: Alignment.centerLeft,
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child: TabBar(
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labelPadding: EdgeInsets.only(
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top: 5.0, bottom: 10.0, left: 6.0, right: 6.0),
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indicator:
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CircleTabIndicator(color: Colors.blue, radius: 3),
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isScrollable: true,
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tabs: snapshot.data.map<Tab>((PodcastLocal podcastLocal) {
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return Tab(
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child: ClipRRect(
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borderRadius: BorderRadius.all(Radius.circular(25.0)),
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child: LimitedBox(
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maxHeight: 50,
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maxWidth: 50,
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child: Image.file(
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File("${dir.path}/${podcastLocal.title}.png")),
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),
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),
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);
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}).toList(),
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),
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),
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Container(
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height: 195,
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margin: EdgeInsets.only(left: 10, right: 10),
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decoration: BoxDecoration(
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color: Colors.white,
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),
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child: TabBarView(
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children:
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snapshot.data.map<Widget>((PodcastLocal podcastLocal) {
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return Container(
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decoration: BoxDecoration(color: Colors.grey[100]),
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margin: EdgeInsets.symmetric(horizontal: 5.0),
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key: ObjectKey(podcastLocal.title),
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child: PodcastPreview(
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podcastLocal: podcastLocal,
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),
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);
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}).toList(),
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),
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),
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],
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),
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);
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}
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return Container(
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height: 250.0,
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);
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},
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);
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}
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}
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class PodcastPreview extends StatefulWidget {
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final PodcastLocal podcastLocal;
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PodcastPreview({this.podcastLocal, Key key}) : super(key: key);
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@override
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_PodcastPreviewState createState() => _PodcastPreviewState();
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}
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class _PodcastPreviewState extends State<PodcastPreview> {
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Future<List<EpisodeBrief>> _getRssItemTop(PodcastLocal podcastLocal) async {
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var dbHelper = DBHelper();
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Future<List<EpisodeBrief>> episodes =
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dbHelper.getRssItemTop(podcastLocal.title);
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return episodes;
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}
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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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var color = json.decode(widget.podcastLocal.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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}
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@override
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Widget build(BuildContext context) {
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return Column(
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children: <Widget>[
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Expanded(
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child: Container(
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child: FutureBuilder<List<EpisodeBrief>>(
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future: _getRssItemTop(widget.podcastLocal),
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builder: (context, snapshot) {
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if (snapshot.hasError) {
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print(snapshot.error);
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Center(child: CircularProgressIndicator());
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}
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return (snapshot.hasData)
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? ShowEpisode(
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podcast: snapshot.data,
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podcastLocal: widget.podcastLocal)
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: Center(child: CircularProgressIndicator());
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},
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),
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),
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),
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Container(
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height: 40,
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padding: EdgeInsets.symmetric(horizontal: 10.0),
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alignment: Alignment.center,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.start,
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children: <Widget>[
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Text(widget.podcastLocal.title,
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style: TextStyle(fontWeight: FontWeight.bold, color: _c)),
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Spacer(),
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IconButton(
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icon: Icon(Icons.arrow_forward),
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splashColor: Colors.transparent,
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tooltip: 'See All',
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onPressed: () {
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Navigator.push(
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context,
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SlideLeftRoute(
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page: PodcastDetail(
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podcastLocal: widget.podcastLocal,
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)),
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);
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},
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),
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],
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),
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),
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],
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);
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}
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}
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class ShowEpisode extends StatelessWidget {
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final List<EpisodeBrief> podcast;
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final PodcastLocal podcastLocal;
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ShowEpisode({Key key, this.podcast, this.podcastLocal}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return CustomScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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primary: false,
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slivers: <Widget>[
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SliverPadding(
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padding: const EdgeInsets.all(5.0),
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sliver: SliverGrid(
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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childAspectRatio: 1.0,
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crossAxisCount: 3,
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mainAxisSpacing: 6.0,
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crossAxisSpacing: 6.0,
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),
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delegate: SliverChildBuilderDelegate(
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(BuildContext context, int index) {
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Color _c;
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var color = json.decode(podcast[index].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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return InkWell(
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onTap: () {
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Navigator.push(
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context,
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ScaleRoute(
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page: EpisodeDetail(
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episodeItem: podcast[index],
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heroTag: 'scroll',
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)),
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);
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},
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.all(Radius.circular(5.0)),
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color: Theme.of(context).scaffoldBackgroundColor,
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border: Border.all(
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color: Colors.grey[100],
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width: 3.0,
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),
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boxShadow: [
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BoxShadow(
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color: Colors.grey[100],
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blurRadius: 1.0,
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spreadRadius: 0.5,
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),
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]),
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alignment: Alignment.center,
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padding: EdgeInsets.all(10.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Expanded(
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flex: 2,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.start,
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children: <Widget>[
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Hero(
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tag: podcast[index].enclosureUrl + 'scroll',
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child: Container(
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child: ClipRRect(
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borderRadius:
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BorderRadius.all(Radius.circular(15.0)),
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child: Container(
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height: 30.0,
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width: 30.0,
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child: CachedNetworkImage(
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imageUrl: podcastLocal.imageUrl,
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),
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),
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),
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),
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),
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Spacer(),
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],
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),
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),
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Expanded(
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flex: 5,
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child: Container(
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padding: EdgeInsets.only(top: 2.0),
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alignment: Alignment.topLeft,
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child: Text(
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podcast[index].title,
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style: TextStyle(
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fontSize: 15.0,
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),
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maxLines: 4,
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),
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),
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),
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Expanded(
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flex: 1,
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child: Container(
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alignment: Alignment.bottomLeft,
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child: Text(
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podcast[index].pubDate.substring(4, 16),
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style: TextStyle(
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color: _c,
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fontStyle: FontStyle.italic,
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),
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),
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),
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),
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],
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),
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),
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);
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},
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childCount: (podcast.length > 3) ? 3 : podcast.length,
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),
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),
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),
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],
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);
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}
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}
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//Circle Indicator
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class CircleTabIndicator extends Decoration {
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final BoxPainter _painter;
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CircleTabIndicator({@required Color color, @required double radius})
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: _painter = _CirclePainter(color, radius);
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@override
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BoxPainter createBoxPainter([onChanged]) => _painter;
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}
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class _CirclePainter extends BoxPainter {
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final Paint _paint;
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final double radius;
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_CirclePainter(Color color, this.radius)
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: _paint = Paint()
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..color = color
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..isAntiAlias = true;
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@override
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void paint(Canvas canvas, Offset offset, ImageConfiguration cfg) {
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final Offset circleOffset =
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offset + Offset(cfg.size.width / 2, cfg.size.height - radius);
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canvas.drawCircle(circleOffset, radius, _paint);
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}
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}
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