ui_background_task 0.0.2 ui_background_task: ^0.0.2 copied to clipboard
A Flutter iOS plugin to begin/end a ui background task.
import 'package:flutter/material.dart';
import 'package:ui_background_task/ui_background_task.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
int? _taskId;
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Background Task Example app'),
),
body: Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
ElevatedButton(
onPressed: () async {
_taskId = await UiBackgroundTask.instance.beginBackgroundTask();
setState(() {});
},
child: const Text('Begin background task')),
const SizedBox(
width: 24,
),
if (_taskId != null)
ElevatedButton(
onPressed: () {
UiBackgroundTask.instance.endBackgroundTask(_taskId!);
setState(() {
_taskId = null;
});
},
child: Text(
'End background task: $_taskId',
),
)
],
),
),
),
);
}
@override
void dispose() {
super.dispose();
WidgetsBinding.instance.removeObserver(this);
}
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
super.didChangeAppLifecycleState(state);
UiBackgroundTask.instance.appLifeCycleUpdate(state);
}
}