Regroup/lib/main.dart

import 'dart:async';

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();

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

    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 {
        setState(() {
          _connectionStatus = result.toString();
          Get.toNamed(RouteName.nointernet);
        });
      }
    });
    // print(_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();
  }

  @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, 844),
    );
  }
}