HMG_Patient_App_New/lib/main.dart

import 'dart:io';

import 'package:easy_localization/easy_localization.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:hmg_patient_app_new/core/app_state.dart';
import 'package:hmg_patient_app_new/routes/app_routes.dart';
import 'package:hmg_patient_app_new/theme/app_theme.dart';
import 'package:logger/logger.dart';

import 'core/utils/size_utils.dart';
import 'firebase_options.dart';

var globalMessengerKey = GlobalKey<ScaffoldMessengerState>();
final navigatorKey = GlobalKey<NavigatorState>();

Logger logger = Logger(
  printer: PrettyPrinter(
    lineLength: 0,
  ),
);

late AppState appState;

@pragma('vm:entry-point')
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
  await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
  print("Firebase backgroundMessageHandler Main!!!");
  // debugPrint('backgroundMessage: message => ${message.notification!.title.toString()}');
  // messagesOpended = message.notification!.title.toString();
  var payload = message.data;
  // showCallkitIncoming(payload);
  // await backgroundCallHandler(payload);
}

class MyHttpOverrides extends HttpOverrides {
  @override
  HttpClient createHttpClient(SecurityContext? context) {
    return super.createHttpClient(context)..badCertificateCallback = (X509Certificate cert, String host, int port) => true;
  }
}

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await EasyLocalization.ensureInitialized();
  await Firebase.initializeApp(name: "hmg-patient-app", options: DefaultFirebaseOptions.currentPlatform);
  SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
  HttpOverrides.global = MyHttpOverrides();
  runApp(
    EasyLocalization(
      supportedLocales: const <Locale>[
        Locale('en', 'US'),
        Locale('ar', 'SA'),
      ],
      path: 'assets/langs',
      fallbackLocale: Locale('en', 'US'),
      // assetLoader: const CodegenLoader(),
      child: MyApp(),
    ),
  );
}

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return SafeArea(
        top: false, // Set to true if you want to avoid the notch area as well
        bottom: Platform.isIOS ? false : true,
        child: LayoutBuilder(builder: (context, constraints) {
          return Sizer(
            builder: (context, orientation, deviceType) {
              // SizeConfig().init(constraints, orientation);
              return MaterialApp(
                title: 'Dr. AlHabib',
                builder: (context, mchild) {
                  return MediaQuery(
                      data: MediaQuery.of(context).copyWith(
                        textScaler: TextScaler.linear(1.0),
                      ), //set desired text scale factor here
                      child: mchild!);
                },
                showSemanticsDebugger: false,
                debugShowCheckedModeBanner: false,
                localizationsDelegates: context.localizationDelegates,
                supportedLocales: context.supportedLocales,
                locale: context.locale,
                initialRoute: AppRoutes.initialRoute,
                routes: AppRoutes.routes,
                theme: AppTheme.getTheme(
                  EasyLocalization.of(context)?.locale.languageCode == "ar",
                ),
                navigatorKey: navigatorKey,
              );
            },
          );
        }));
  }
}