initializeApp static method
Initializes a new FirebaseApp
instance by name
and options
and returns
the created app.
Implementation
static Future<FirebaseApp> initializeApp(
{String? name, required FirebaseOptions options}) async {
name ??= defaultFirebaseAppName;
if (_apps.containsKey(name)) {
throw FirebaseCoreException.duplicateApp(name);
}
var app =
await FirebaseImplementation.installation.createApp(name, options);
return _apps[name] = app;
}