522 lines
16 KiB
Dart
522 lines
16 KiB
Dart
import 'dart:math' as math;
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:flutter_html/flutter_html.dart';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:url_launcher/url_launcher.dart';
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import 'package:tsacdop/class/audiostate.dart';
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import 'package:tsacdop/class/episodebrief.dart';
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import 'package:tsacdop/class/sqflite_localpodcast.dart';
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import 'episodedownload.dart';
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enum DownloadState { stop, load, donwload, complete, error }
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class EpisodeDetail extends StatefulWidget {
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final EpisodeBrief episodeItem;
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final String heroTag;
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EpisodeDetail({this.episodeItem, this.heroTag, Key key}) : super(key: key);
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@override
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_EpisodeDetailState createState() => _EpisodeDetailState();
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}
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class _EpisodeDetailState extends State<EpisodeDetail> {
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final textstyle = TextStyle(fontSize: 15.0, color: Colors.black);
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double downloadProgress;
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bool _loaddes;
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Future getSDescription(String title) async {
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var dbHelper = DBHelper();
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widget.episodeItem.description = await dbHelper.getDescription(title);
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if (mounted)
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setState(() {
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_loaddes = true;
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});
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}
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_launchUrl(String url) async {
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if (await canLaunch(url)) {
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await launch(url);
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} else {
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throw 'Could not launch $url';
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}
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}
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@override
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void initState() {
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super.initState();
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_loaddes = false;
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getSDescription(widget.episodeItem.title);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.grey[100],
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appBar: AppBar(
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title: Text(widget.episodeItem.feedTitle),
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elevation: 0.0,
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centerTitle: true,
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backgroundColor: Colors.grey[100],
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),
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body: Container(
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color: Colors.grey[100],
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padding: EdgeInsets.all(12.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Container(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Container(
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padding: EdgeInsets.symmetric(horizontal: 12.0),
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alignment: Alignment.topLeft,
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child: Text(
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widget.episodeItem.title,
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style: Theme.of(context).textTheme.title,
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),
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),
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Container(
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alignment: Alignment.centerLeft,
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padding: EdgeInsets.symmetric(horizontal: 12.0),
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height: 30.0,
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child: Text(
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'Published ' +
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widget.episodeItem.pubDate.substring(0, 16),
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style: TextStyle(color: Colors.blue[500])),
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),
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Container(
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padding: EdgeInsets.all(12.0),
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height: 50.0,
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child: Row(
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children: <Widget>[
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(widget.episodeItem.explicit == 1)
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? Container(
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decoration: BoxDecoration(
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color: Colors.red[800],
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shape: BoxShape.circle),
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height: 25.0,
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width: 25.0,
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margin: EdgeInsets.only(right: 10.0),
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alignment: Alignment.center,
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child: Text('E',
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style: TextStyle(color: Colors.white)))
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: Center(),
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Container(
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decoration: BoxDecoration(
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color: Colors.cyan[300],
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borderRadius:
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BorderRadius.all(Radius.circular(15.0))),
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height: 30.0,
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margin: EdgeInsets.only(right: 10.0),
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padding: EdgeInsets.symmetric(horizontal: 10.0),
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alignment: Alignment.center,
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child: Text(
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(widget.episodeItem.duration).toString() + 'mins',
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style: textstyle),
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),
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Container(
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decoration: BoxDecoration(
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color: Colors.lightBlue[300],
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borderRadius:
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BorderRadius.all(Radius.circular(15.0))),
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height: 30.0,
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margin: EdgeInsets.only(right: 10.0),
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padding: EdgeInsets.symmetric(horizontal: 10.0),
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alignment: Alignment.center,
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child: Text(
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((widget.episodeItem.enclosureLength) ~/ 1000000)
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.toString() +
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'MB',
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style: textstyle),
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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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Expanded(
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child: Container(
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padding: EdgeInsets.only(left: 12.0, right: 12.0, top: 5.0),
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child: SingleChildScrollView(
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child: (widget.episodeItem.description != null && _loaddes)
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? Html(
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data: widget.episodeItem.description,
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onLinkTap: (url) {
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_launchUrl(url);
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},
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useRichText: true,
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)
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: Center(),
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),
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),
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),
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MenuBar(
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episodeItem: widget.episodeItem,
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heroTag: widget.heroTag,
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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 MenuBar extends StatefulWidget {
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final EpisodeBrief episodeItem;
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final String heroTag;
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MenuBar({this.episodeItem, this.heroTag, Key key}) : super(key: key);
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@override
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_MenuBarState createState() => _MenuBarState();
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}
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class _MenuBarState extends State<MenuBar> {
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bool _liked;
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int _like;
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Future<int> saveLiked(String title) async {
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var dbHelper = DBHelper();
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int result = await dbHelper.setLiked(title);
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if (result == 1 && mounted) setState(() => _liked = true);
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return result;
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}
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Future<int> setUnliked(String title) async {
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var dbHelper = DBHelper();
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int result = await dbHelper.setUniked(title);
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if (result == 1 && mounted)
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setState(() {
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_liked = false;
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_like = 0;
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});
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return result;
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}
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@override
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void initState() {
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super.initState();
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_liked = false;
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_like = widget.episodeItem.liked;
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}
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@override
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Widget build(BuildContext context) {
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final urlChange = Provider.of<Urlchange>(context);
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return Consumer<Urlchange>(
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builder: (context, urlchange, _) => Container(
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height: 50.0,
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.all(Radius.circular(10.0)),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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(widget.episodeItem.title == urlChange.title &&
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urlChange.audioState == AudioState.play)
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? ImageRotate(
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url: widget.episodeItem.imageUrl,
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)
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: Hero(
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tag: widget.episodeItem.enclosureUrl + widget.heroTag,
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child: Container(
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padding: EdgeInsets.all(10.0),
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child: ClipRRect(
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borderRadius: 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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color: Colors.white,
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child: CachedNetworkImage(
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imageUrl: widget.episodeItem.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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(_like == 0 && !_liked)
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? IconButton(
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icon: Icon(
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Icons.favorite_border,
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color: Colors.grey[700],
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),
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onPressed: () {
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saveLiked(widget.episodeItem.title);
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},
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)
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: IconButton(
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icon: Icon(
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Icons.favorite,
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color: Colors.red,
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),
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onPressed: () {
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setUnliked(widget.episodeItem.title);
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},
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),
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DownloadButton(episodeBrief: widget.episodeItem),
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IconButton(
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icon: Icon(Icons.playlist_add, color: Colors.grey[700]),
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onPressed: () {/*TODO*/},
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),
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Spacer(),
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(widget.episodeItem.title != urlchange.title)
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? IconButton(
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icon: Icon(
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Icons.play_arrow,
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color: Colors.grey[700],
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),
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onPressed: () {
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urlChange.audioUrl = widget.episodeItem.enclosureUrl;
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urlChange.rssTitle = widget.episodeItem.title;
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urlChange.feedTitle = widget.episodeItem.feedTitle;
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urlChange.imageUrl = widget.episodeItem.imageUrl;
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},
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)
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: (widget.episodeItem.title == urlchange.title &&
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urlchange.audioState == AudioState.play)
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? Container(
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padding: EdgeInsets.only(right: 15),
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child: SizedBox(
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width: 15, height: 15, child: WaveLoader()))
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: Container(
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padding: EdgeInsets.only(right: 15),
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child: SizedBox(
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width: 15,
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height: 15,
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child: LineLoader(),
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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 LinePainter extends CustomPainter {
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double _fraction;
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Paint _paint;
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LinePainter(this._fraction) {
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_paint = Paint()
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..color = Colors.blue
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..strokeWidth = 2.0
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..strokeCap = StrokeCap.round;
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}
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@override
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void paint(Canvas canvas, Size size) {
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canvas.drawLine(Offset(0, size.height / 2.0),
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Offset(size.width * _fraction, size.height / 2.0), _paint);
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}
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@override
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bool shouldRepaint(LinePainter oldDelegate) {
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return oldDelegate._fraction != _fraction;
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}
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}
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class LineLoader extends StatefulWidget {
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@override
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_LineLoaderState createState() => _LineLoaderState();
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}
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class _LineLoaderState extends State<LineLoader>
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with SingleTickerProviderStateMixin {
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double _fraction = 0.0;
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Animation animation;
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AnimationController controller;
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@override
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void initState() {
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super.initState();
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controller = AnimationController(
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vsync: this, duration: Duration(milliseconds: 1000));
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animation = Tween(begin: 0.0, end: 1.0).animate(controller)
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..addListener(() {
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if (mounted)
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setState(() {
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_fraction = animation.value;
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});
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});
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controller.forward();
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controller.addStatusListener((status) {
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if (status == AnimationStatus.completed) {
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controller.reset();
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} else if (status == AnimationStatus.dismissed) {
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controller.forward();
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}
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});
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}
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@override
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void dispose() {
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controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return CustomPaint(painter: LinePainter(_fraction));
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}
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}
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class WavePainter extends CustomPainter {
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double _fraction;
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double _value;
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WavePainter(this._fraction);
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@override
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void paint(Canvas canvas, Size size) {
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if (_fraction < 0.5) {
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_value = _fraction;
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} else {
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_value = 1 - _fraction;
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}
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Path _path = Path();
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Paint _paint = Paint()
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..color = Colors.blue
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..strokeWidth = 2.0
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..strokeCap = StrokeCap.round
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..style = PaintingStyle.stroke;
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_path.moveTo(0, size.height / 2);
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_path.lineTo(0, size.height / 2 + size.height * _value * 0.2);
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_path.moveTo(0, size.height / 2);
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_path.lineTo(0, size.height / 2 - size.height * _value * 0.2);
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_path.moveTo(size.width / 4, size.height / 2);
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_path.lineTo(size.width / 4, size.height / 2 + size.height * _value * 0.8);
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_path.moveTo(size.width / 4, size.height / 2);
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_path.lineTo(size.width / 4, size.height / 2 - size.height * _value * 0.8);
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_path.moveTo(size.width / 2, size.height / 2);
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_path.lineTo(size.width / 2, size.height / 2 + size.height * _value * 0.5);
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_path.moveTo(size.width / 2, size.height / 2);
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_path.lineTo(size.width / 2, size.height / 2 - size.height * _value * 0.5);
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_path.moveTo(size.width * 3 / 4, size.height / 2);
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_path.lineTo(
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size.width * 3 / 4, size.height / 2 + size.height * _value * 0.6);
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_path.moveTo(size.width * 3 / 4, size.height / 2);
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_path.lineTo(
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size.width * 3 / 4, size.height / 2 - size.height * _value * 0.6);
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_path.moveTo(size.width, size.height / 2);
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_path.lineTo(size.width, size.height / 2 + size.height * _value * 0.2);
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_path.moveTo(size.width, size.height / 2);
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_path.lineTo(size.width, size.height / 2 - size.height * _value * 0.2);
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canvas.drawPath(_path, _paint);
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}
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@override
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bool shouldRepaint(WavePainter oldDelegate) {
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return oldDelegate._fraction != _fraction;
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}
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}
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class WaveLoader extends StatefulWidget {
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@override
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_WaveLoaderState createState() => _WaveLoaderState();
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}
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class _WaveLoaderState extends State<WaveLoader>
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with SingleTickerProviderStateMixin {
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double _fraction = 0.0;
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Animation animation;
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AnimationController _controller;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this, duration: Duration(milliseconds: 1000));
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animation = Tween(begin: 0.0, end: 1.0).animate(_controller)
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..addListener(() {
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if (mounted)
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setState(() {
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_fraction = animation.value;
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});
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});
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_controller.forward();
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_controller.addStatusListener((status) {
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if (status == AnimationStatus.completed) {
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_controller.reset();
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} else if (status == AnimationStatus.dismissed) {
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_controller.forward();
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}
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});
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return CustomPaint(painter: WavePainter(_fraction));
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}
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}
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class ImageRotate extends StatefulWidget {
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final String url;
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ImageRotate({this.url, Key key}) : super(key: key);
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@override
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_ImageRotateState createState() => _ImageRotateState();
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}
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class _ImageRotateState extends State<ImageRotate>
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with SingleTickerProviderStateMixin {
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Animation _animation;
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AnimationController _controller;
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double _value;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this,
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duration: Duration(milliseconds: 2000),
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);
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_animation = Tween(begin: 0.0, end: 1.0).animate(_controller)
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..addListener(() {
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if (mounted)
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setState(() {
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_value = _animation.value;
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});
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});
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_controller.forward();
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_controller.addStatusListener((status) {
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if (status == AnimationStatus.completed) {
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_controller.reset();
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} else if (status == AnimationStatus.dismissed) {
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_controller.forward();
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}
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});
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Transform.rotate(
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angle: 2 * math.pi * _value,
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child: Container(
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padding: EdgeInsets.all(10.0),
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child: ClipRRect(
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borderRadius: 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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color: Colors.white,
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child: CachedNetworkImage(
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imageUrl: widget.url,
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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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} |