Regroup/lib/main.dart

import 'dart:async';
import 'dart:developer';

import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:regroup/Utils/dialogs.dart';
import 'package:regroup/resources/routes/route_name.dart';
import 'package:regroup/resources/routes/routes.dart';
import 'package:shared_preferences/shared_preferences.dart';

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

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  SharedPreferences prefs = await SharedPreferences.getInstance();
  // GlobalVariables globalVariables = GlobalVariables();

  // token = prefs.getString('token');
//   await Firebase.initializeApp(
//     options: DefaultFirebaseOptions.currentPlatform,
// );
//  FlutterError.onError = FirebaseCrashlytics.instance.recordFlutterFatalError;
//   PlatformDispatcher.instance.onError = (error, stack) {
//       FirebaseCrashlytics.instance.recordError(error, stack, fatal: true);
//       return true;
//     };
//  OnBoard = prefs.getBool("OnBoard");
  SystemChrome.setPreferredOrientations([
    DeviceOrientation.portraitUp,
  ]).then((value) => runApp(const MyApp()));
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> with WidgetsBindingObserver {
  // var _connectionStatus = ConnectivityResult.values.toString();
  // late StreamSubscription<List<ConnectivityResult>> subscription;
  // Connectivity connectivity = Connectivity();

  List<ConnectivityResult> _connectionStatus = [ConnectivityResult.none];
  final Connectivity _connectivity = Connectivity();
  late StreamSubscription<List<ConnectivityResult>> _connectivitySubscription;

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

    _connectivitySubscription =
        _connectivity.onConnectivityChanged.listen(_updateConnectionStatus);

    // connectivity = Connectivity();
    // checkInternet();
    //    if (Platform.isAndroid) {
    //   _getStoragePermission();
    // }
    // _getStoragePermission();
    // subscription = connectivity.onConnectivityChanged
    //     .listen((List<ConnectivityResult> result) {
    //   _connectionStatus = result.toString();
    //   if (result == ConnectivityResult.wifi ||
    //       result == ConnectivityResult.mobile) {
    //     setState(() {
    //       _connectionStatus = result.toString();

    //       Get.back(result: true);
    //     });
    //   } else if (result == ConnectivityResult.none) {
    //     setState(() {
    //       _connectionStatus = result.toString();
    //       Get.toNamed(RouteName.nointernet);
    //     });
    //   }
    // });
    // print(_connectionStatus);
  }

  Future<void> initConnectivity() async {
    late List<ConnectivityResult> result;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      result = await _connectivity.checkConnectivity();
    } on PlatformException catch (e) {
      log('Couldn\'t check connectivity status', error: 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 Future.value(null);
    }

    return _updateConnectionStatus(result);
  }

  Future<void> _updateConnectionStatus(List<ConnectivityResult> result) async {
    // setState(() {
    //   _connectionStatus = result;
    // });
    
    if (result.contains(ConnectivityResult.wifi) || result.contains(ConnectivityResult.mobile)) {
        setState(() {
      _connectionStatus = result;
      Get.back(result: true);

    });
    } else {
         setState(() {
          _connectionStatus = result;
          Get.toNamed(RouteName.nointernet);
        });
      // Get.toNamed(RouteName.nointernet);
    }
    // ignore: avoid_print
    print('Connectivity changed: $_connectionStatus');
  }

  Future<void> _getStoragePermission() async {
    DeviceInfoPlugin plugin = DeviceInfoPlugin();
    AndroidDeviceInfo android = await plugin.androidInfo;
    if (android.version.sdkInt < 33) {
      if (await Permission.storage.request().isGranted) {
        //  setState(() {
        //    permissionGranted = true;
        //  });
      } else if (await Permission.storage.request().isPermanentlyDenied) {
        await openAppSettings();
        await utils.showToast("Permission denied.");
      }
      // else if (await Permission.audio.request().isDenied) {
      //   //  setState(() {
      //   //    permissionGranted = false;
      //   //  });
      // }
    } else {
      if (await Permission.photos.request().isGranted) {
        // await utils.showToast("Permission granted.");
        // setState(() {
        //    permissionGranted = true;
        // });
      } else if (await Permission.photos.request().isPermanentlyDenied) {
        await openAppSettings();
        await utils.showToast("Permission denied.");
      } else if (await Permission.photos.request().isDenied) {
        await openAppSettings();
        await utils.showToast("Permission denied.");
        //  setState(() {
        //      permissionGranted = false;
        //  });
      }
    }
  }

  // Future<void> checkInternet() async {
  //   final connectivityResult = await (Connectivity().checkConnectivity());

  //   if (connectivityResult == ConnectivityResult.wifi ||
  //       connectivityResult == ConnectivityResult.mobile) {
  //     setState(() {
  //       _connectionStatus = connectivityResult.toString();
  //     });
  //   } else {
  //     setState(() {
  //       _connectionStatus = connectivityResult.toString();
  //       print(_connectionStatus.toString());
  //       Get.toNamed(RouteName.nointernet);

  //       //  Navigator.pushReplacementNamed(context, "/noInternet");
  //     });
  //   }
  // }

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

    // subscription.cancel();
    _connectivitySubscription.cancel();
  }

  @override
  Widget build(BuildContext context) {
    return 
    ScreenUtilInit(
      builder: (BuildContext context, Widget? child) => GetMaterialApp(
        title: 'Regroup',
        theme: ThemeData(
          primarySwatch: 
          // createPrimarySwatch(Color(0xFF737373)),
           Colors.grey,
          fontFamily: 'Cambria',
        ),
        debugShowCheckedModeBanner: false,
        initialRoute: RouteName.splashScreen,

        //initialRoute: RouteName.mainScreen,
        getPages: AppRoutes.appRoutes(),
      ),
      designSize: const Size(390, 848),
    );
  }
}