migração flutter 2.2.1

lib/main.dart

@@ -1,11 +1,21 @@
 import 'package:decpisos/funcoes_gerais.dart';
+import 'package:firebase_core/firebase_core.dart';
+//import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:get/get.dart';
 
 import 'splash/splash.dart';
 
-void main() {
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await Firebase.initializeApp();
+  // Set the background messaging handler early on, as a named top-level function
+  // FirebaseMessaging.onBackgroundMessage((RemoteMessage message) async {
+  //   await Firebase.initializeApp();
+  //   print('Handling a background message ${message.messageId}');
+  // });
+
   runApp(GetMaterialApp(
   title: FuncoesGerais.nomeApp,
   localizationsDelegates: [
@@ -17,11 +27,14 @@ void main() {
   supportedLocales: [
     const Locale('pt'),
   ],  
+  theme: ThemeData.light().copyWith(primaryColor: Color(0xFF05578e)),
+  darkTheme: ThemeData.dark().copyWith(primaryColor: Colors.black87),  
+  // theme: ThemeData(
+  //   //brightness: Brightness.dark,
+  //   visualDensity: VisualDensity.adaptivePlatformDensity,
+  //   primarySwatch: Colors.blueGrey
+  // ),
   themeMode: ThemeMode.dark,
-  theme: ThemeData(
-    brightness: Brightness.dark,
-    visualDensity: VisualDensity.adaptivePlatformDensity,
-  ),
   home: SplashScreen()    
   ));
 }