PeterHdd

class Navigate {
  static Map<String, Widget Function(BuildContext)> routes =   {
    '/' : (context) => WelcomePage(),
    '/sign-in' : (context) => SignInPage(),
    '/home'  : (context) => HomePage()
  };
}

PeterHdd

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: Constants.title,
      initialRoute: '/',
      routes: Navigate.routes,
      theme: ThemeData(
        primarySwatch: Colors.blue,

PeterHdd

void main() async{
  WidgetsFlutterBinding.ensureInitialized();
  await Firebase.initializeApp();
  runApp(MyApp());
}

PeterHdd

PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null)

PeterHdd

> Task :app:signingReport
Variant: debug
Config: debug
Store: /Users/peter/.android/debug.keystore
Alias: AndroidDebugKey
MD5: <md5-key>
SHA1: <sha1-key>
SHA-256: <sha256-key>
Valid until: Tuesday, December 1, 2048

PeterHdd

cd android
./gradlew signingReport

PeterHdd

POST https://fcm.googleapis.com/fcm/send
Authoritzation key="your_server_key"

{
  "registration_ids": ["device_token"],
  "notification": {
    "title": "FCM",
    "body": "messaging tutorial"
  },
  "data": {

PeterHdd

FirebaseMessaging.onMessage.listen((RemoteMessage event) {
    print("message recieved");
    print(event.notification!.body);
    print(event.data.values);

PeterHdd

POST https://fcm.googleapis.com/fcm/send
Authoritzation key="your_server_key"

{
  "to": "/topics/messaging",
  "notification": {
    "title": "FCM",
    "body": "messaging tutorial"
  },
  "data": {

PeterHdd

messaging.unsubscribeFromTopic("messaging");