didvan-app/lib/main.dart

import 'package:android_intent_plus/android_intent.dart';
import 'package:bot_toast/bot_toast.dart';
import 'package:didvan/config/theme_data.dart';
import 'package:didvan/models/notification_message.dart';
import 'package:didvan/providers/media.dart';
import 'package:didvan/providers/theme.dart';
import 'package:didvan/providers/user.dart';
import 'package:didvan/routes/route_generator.dart';
import 'package:didvan/routes/routes.dart';
import 'package:didvan/services/app_home_widget/home_widget_repository.dart';
import 'package:didvan/services/app_initalizer.dart';
import 'package:didvan/services/notification/awsome/awsome_notification_handler.dart';
import 'package:didvan/views/podcasts/podcasts_state.dart';
import 'package:didvan/views/podcasts/studio_details/studio_details_state.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:home_widget/home_widget.dart';
import 'package:provider/provider.dart';

final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();

@pragma('vm:entry-point')
Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
  WidgetsFlutterBinding.ensureInitialized();
  await AppInitializer.initializeFirebase();
  await AwsomeNotificationHandler.startListeningNotificationEvents();
  await AwsomeNotificationHandler().show(message);

  return;
}

@pragma('vm:entry-point')
Future<void> _backgroundCallbackHomeWidget(Uri? uri) async {
  await HomeWidget.saveWidgetData("uri", uri!.host);
  AndroidIntent intent = const AndroidIntent(
    action: 'android.intent.action.RUN',
    package: 'com.didvan.didvanapp',
    componentName: 'com.didvan.didvanapp.MainActivity',
  );
  await intent.launch();
  return;
}

void main() async {
  try {
    WidgetsFlutterBinding.ensureInitialized();
    FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
    FirebaseMessaging.onMessage.listen(
        (RemoteMessage message) => AwsomeNotificationHandler().show(message));
    //ignore: deprecated_member_use
    HomeWidget.registerBackgroundCallback(_backgroundCallbackHomeWidget);
    HomeWidget.registerInteractivityCallback(_backgroundCallbackHomeWidget);
    await AwsomeNotificationHandler().alarm();
    await AppInitializer.initializeFirebase();
  } catch (e) {
    debugPrintStack();
  }

  runApp(const Didvan());
}

class Didvan extends StatefulWidget {
  const Didvan({Key? key}) : super(key: key);

  @override
  State<Didvan> createState() => _DidvanState();
}

class _DidvanState extends State<Didvan> with WidgetsBindingObserver {
  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
  }

  @override
  void initState() {
    AwsomeNotificationHandler.startListeningNotificationEvents();

    super.initState();
    WidgetsBinding.instance.addObserver(this);
  }

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

  bool b = true;

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) async {
    if (state == AppLifecycleState.resumed) {
      var r = await HomeWidget.getWidgetData("cRoute", defaultValue: '');
      if (r!.toString() != Routes.splash) {
        await HomeWidgetRepository.decideWhereToGo();

        NotificationMessage? data = HomeWidgetRepository.data;

        if (data != null) {
          await HomeWidgetRepository.decideWhereToGoNotif();
        }
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    return MultiProvider(
      providers: [
        ChangeNotifierProvider<PodcastsState>(
          create: (context) => PodcastsState(),
        ),
        ChangeNotifierProvider<MediaProvider>(
          create: (context) => MediaProvider(),
        ),
        ChangeNotifierProvider<UserProvider>(
          create: (context) => UserProvider(),
        ),
        ChangeNotifierProvider<ThemeProvider>(
          create: (context) => ThemeProvider(),
        ),
        ChangeNotifierProvider<StudioDetailsState>(
          create: (context) => StudioDetailsState(),
        ),
      ],
      child: Consumer<ThemeProvider>(
        builder: (context, themeProvider, child) => Container(
          color: Theme.of(context).colorScheme.surface,
          child: SafeArea(
              child: MaterialApp(
            navigatorKey: navigatorKey,
            debugShowCheckedModeBanner: false,
            title: 'Didvan',
            theme: LightThemeConfig.themeData.copyWith(
                textTheme: LightThemeConfig.themeData.textTheme.apply(
              fontFamily: themeProvider.fontFamily,
            )),
            darkTheme: DarkThemeConfig.themeData.copyWith(
                textTheme: DarkThemeConfig.themeData.textTheme.apply(
              fontFamily: themeProvider.fontFamily,
            )),
            color: LightThemeConfig.themeData.primaryColor,
            themeMode: themeProvider.themeMode,
            onGenerateRoute: (settings) =>
                RouteGenerator.generateRoute(settings),
            builder: BotToastInit(),
            //1. call BotToastInit
            navigatorObservers: [BotToastNavigatorObserver()],
            initialRoute: "/",
            localizationsDelegates: const [
              GlobalCupertinoLocalizations.delegate,
              GlobalMaterialLocalizations.delegate,
              GlobalWidgetsLocalizations.delegate,
            ],
            supportedLocales: const [
              Locale("fa", "IR"),
            ],
            locale: const Locale("fa", "IR"),
          )),
        ),
      ),
    );
  }
}