is_lock_screen 1.0.0

Detects if device is in lock screen. Useful for determining whether app entered background due to locking screen or leaving app.

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:is_lock_screen/is_lock_screen.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
  String _platformVersion = 'Unknown';

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

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) async {
    super.didChangeAppLifecycleState(state);
    if (state == AppLifecycleState.inactive) {
      print('app inactive, is lock screen: ${await isLockScreen()}');
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Text('Test by changing app lifecycle (locking device / exiting app). Result will be print in console.'),
        ),
      ),
    );
  }
}