OpenMediacenterMobileFlutter/lib/shufflescreen.dart
lukas-heiligenbrunner bf070ff99a make all possible fields private
update dependencies
try to infer the prefix of the server url
display display size dependent amount on shuffle page
2022-08-25 19:48:09 +02:00

93 lines
2.7 KiB
Dart

import 'dart:convert';
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
import 'preview_tile.dart';
import 'api/api.dart';
import 'platform.dart';
class ShuffleScreen extends StatefulWidget {
const ShuffleScreen({Key? key}) : super(key: key);
@override
State<ShuffleScreen> createState() => _ShuffleScreenState();
}
class _ShuffleScreenState extends State<ShuffleScreen> {
late Future<List<VideoT>> _data;
Future<List<VideoT>> loadData(int nr) async {
final data = await API.query("video", "getRandomMovies", {'Number': nr, 'Seed': Random().nextInt(0x7fffffff)});
final d = jsonDecode(data);
List<VideoT> dta = (d['Videos'] as List).map((e) => VideoT.fromJson(e)).toList();
return dta;
}
@override
void initState() {
super.initState();
_data = Future.delayed(Duration.zero).then((_) {
double width = MediaQuery.of(context).size.width;
return loadData((isTV() ? width ~/ 200 : width ~/ 330) * 2);
});
}
@override
Widget build(BuildContext context) {
double width = MediaQuery.of(context).size.width;
return FutureBuilder<List<VideoT>>(
future: _data, // a previously-obtained Future<String> or null
builder: (BuildContext context, AsyncSnapshot<List<VideoT>> snapshot) {
if (snapshot.hasError) {
return Text("Error");
} else if (snapshot.hasData) {
return Column(children: [
MasonryGridView.count(
shrinkWrap: true,
// every tile should be at max 330 pixels long...
crossAxisCount: isTV() ? width ~/ 200 : width ~/ 330,
mainAxisSpacing: 4,
crossAxisSpacing: 4,
padding: EdgeInsets.all(5),
itemCount: snapshot.data!.length,
itemBuilder: (context, index) {
return PreviewTile(dta: snapshot.data![index]);
},
),
const SizedBox(
height: 25,
),
TextButton.icon(
onPressed: () {
setState(() {
_data = loadData((isTV() ? width ~/ 200 : width ~/ 330) * 2);
});
},
icon: const Icon(Icons.update),
label: const Text("Shuffle"))
]);
} else {
return Column(children: const <Widget>[
SizedBox(
width: 60,
height: 60,
child: CircularProgressIndicator(),
),
Padding(
padding: EdgeInsets.only(top: 16),
child: Text('Awaiting result...'),
)
]);
}
},
);
}
}