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Generating push token for device using expo push-notification in bare react native

I am using expo push-notification library to generate device push token and using it to send the notifications to the devices. It is working fine in expo managed workflow but when i am using the function

token = await Notifications.getExpoPushTokenAsync({});

i am getting an error which says :-
[Error: Call to function ‘ExpoPushTokenManager.getDevicePushTokenAsync’ has been rejected.
→ Caused by: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.notifications. Make sure to call FirebaseApp.initializeApp(Context) first.]

Can anyone please tell how to solve this error? I have tried everything but nothing seems to work.

I have tried to initialize the firebase app using the docs but it did not work as expected and it was giving the same error.

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2

Answers


  1. 0

    You need to pass the projectId in the object. You can find your projectId in app.json.

    docs: https://docs.expo.dev/push-notifications/push-notifications-setup/

      await getExpoPushTokenAsync({
    projectId: "your-project-id"
  })
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  2. 0

    The error says it all, you missing firebase app initialization :
    in the root of your app:

    import { initializeApp } from "firebase/app";

// Initialize Firebase
export const app = initializeApp({ pass your firebase config });

    also make sure to correctly get your token:

    const {data: token} = await Notifications.getExpoPushTokenAsync({
  projectId : // your projectId
})
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