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neonime-app/lib/pages/anime.dart

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2020-08-11 14:01:26 +02:00
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:async_loader/async_loader.dart';
import 'package:neonime_app/scrapper/anime.dart';
import 'anime-detail.dart';
class Anime extends StatefulWidget {
@override
_AnimeState createState() => _AnimeState();
}
class _AnimeState extends State<Anime>
with AutomaticKeepAliveClientMixin<Anime> {
final GlobalKey<AsyncLoaderState> asyncLoaderState =
new GlobalKey<AsyncLoaderState>();
ScrollController _scrollController = new ScrollController();
List listData;
Future<Null> _handleRefresh() async {
asyncLoaderState.currentState.reloadState();
return null;
}
@override
void initState() {
super.initState();
_scrollController.addListener(() {
if (_scrollController.position.pixels ==
_scrollController.position.maxScrollExtent) {
_getMoreData();
}
});
}
@override
void dispose() {
_scrollController.dispose();
super.dispose();
}
void _getMoreData() async {
final nextPage = (listData.length / 15) + 1;
List newData = await getAnime(nextPage.round().toString()).then((x) {
return x;
});
setState(() {
listData.addAll(newData);
});
}
@override
Widget build(BuildContext context) {
super.build(context);
return RefreshIndicator(
onRefresh: () => _handleRefresh(),
child: AsyncLoader(
key: asyncLoaderState,
initState: () async => await getAnime('1'),
renderLoad: () => new CircularProgressIndicator(),
renderError: ([error]) {
print(error);
return Text(error.toString());
},
renderSuccess: ({data}) {
listData = data;
return ListView.builder(
controller: _scrollController,
itemCount: data.length,
itemBuilder: (context, index) {
return Card(
margin: EdgeInsets.all(10),
child: InkWell(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => AnimeDetail(),
settings: RouteSettings(arguments: {
'title': listData[index]['title'],
'url': listData[index]['link']
})));
},
child: Column(
children: [
Container(
child: CachedNetworkImage(
imageUrl: listData[index]['image'],
placeholder: (context, url) => CupertinoActivityIndicator(),
errorWidget: (context, url, error) => Image.asset('lib/assets/image-error.jpg'),
fadeOutDuration: Duration(milliseconds: 5),
imageBuilder: (context, imageProvider) => Container(
width: 400,
height: 210,
decoration: BoxDecoration(
image: DecorationImage(
image: imageProvider,
fit: BoxFit.cover
),
),
),
)
),
Container(
margin: EdgeInsets.all(10),
child: Text(
listData[index]['title'],
style: TextStyle(fontSize: 20),
textAlign: TextAlign.center,
),
)
],
),
),
);
},
);
}),
);
}
@override
bool get wantKeepAlive => true;
}