How can I use the existing firebase-ios-sdk dependency in my native swift code?

Question

I am working on a Flutter app that uses the FlutterFire firebase_messaging package.

I need to add delivery reports to my app, but the FlutterFire library does not support this.

So I must implement this native swift code.

But for this code to compile I must add the firebase-ios-sdk package to my 'Runner' project.

When building I now get the error...

Error (Xcode): redefinition of module 'Firebase'

Because both my Runner project and the FlutterFire dependency are both including the firebase-ios-sdk.

How can I import FirebaseMessaging in native swift code, while using the firebase-ios-sdk dependency that FlutterFire already imports?

If I try to add a library dependency from the existing flutter dependency (I go to General > Library Dependency > select "Pods > firebase_messaging"), the swift code is not able to resolve the 'import FirebaseMessaging' statement.

you have firebase messaging in flutter: pub.dev/packages/firebase_messaging/install if you want to use in appdelegate you must add it to pubspec.yaml and just use it to appdelegate, but you must have a copy from appdelegate. — Maziar Saadatfar
– Maziar Saadatfar, Commented May 3, 2022 at 12:23
clone FlutterFire and add your code in that package and refer cloned package in pubspec.yaml file. Now FlutterFire contain your code as well as FlutterFire original code — nitishk72
– nitishk72, Commented May 5, 2022 at 16:36

Maziar Saadatfar · Accepted Answer · 2022-05-03 12:53:09Z

0

this works for me:

add your firebase package to pubspec.yaml

such as :

  firebase_messaging: ^11.2.14

after that if you want to add "this native swift code" implementation you must just import below to AppDelegate file:

import Firebase
import FirebaseMessaging

and

Messaging.serviceExtension().exportDeliveryMetricsToBigQuery(withMessageInfo:request.content.userInfo)

instead of

Messaging.extensionHelper()
      .exportDeliveryMetricsToBigQuery(withMessageInfo:request.content.userInfo)
  }

edited May 3, 2022 at 12:53

answered May 3, 2022 at 12:44

Maziar Saadatfar

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2 Comments

Scorb Over a year ago

This does not work for me because my swift code is in a new App Extension target. Add a new target App Extension of type notification service extension, and try. This approach should not work in this case.

Maziar Saadatfar Over a year ago

@Scorb you didn't mention it in the question.

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