New Text Document.txt

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

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

class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addObserver(this);
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    DatabaseHelper().closeDatabase();
    super.dispose();
  }

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    if (state == AppLifecycleState.paused) {
      // Close the database when the app is going to the background
      DatabaseHelper().closeDatabase();
    } else if (state == AppLifecycleState.resumed) {
      // Optionally, reopen the database when the app is resumed
      DatabaseHelper().database;
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text('SQLite Database Example'),
        ),
        body: Center(
          child: Text('Database management in Flutter'),
        ),
      ),
    );
  }
}

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