background_refresh_status 0.0.3

A Flutter plugin to retrieve backgroundRefreshStatus on iOS.

example/lib/main.dart

import 'package:background_refresh_status/status.dart';
import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:background_refresh_status/background_refresh_status.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 {
  Status? _status;

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    if (state == AppLifecycleState.resumed) {
      initBackgroundStatus();
    }
  }

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
    initBackgroundStatus();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initBackgroundStatus() async {
    Status status;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      status = await BackgroundRefreshStatus.status;
    } on PlatformException catch (e) {
      print(e);
      return;
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _status = status;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Text(
              'Background status: ${_status?.toString().split('.')[1] ?? 'Unknown'}\n'),
        ),
      ),
    );
  }
}