Question 120079 in Firebase Question posted in
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Flutter Firebase – Not able to fetch data from Firestore

I am trying to get the data from "savedGoal" collection and somehow it is throwing error (NoSuchMethodError). However same script/syntax of code is working absolutely fine for another collection on same firebase project. Please let me know what could be wrong here. Here is the script that I am running in ininState()-

FirebaseFirestore.instance
        .collection("savedGoals")
        .where('uid', isEqualTo: FirebaseAuth.instance.currentUser.uid)
        .get()
        .then((value) {
      value.docs.forEach((result) async {
        if (result.data().isNotEmpty) {
          setState(() {
            goalAmount = result.data()['goalAmountFixed'];
          });
        }

Here is the screenshot of error that I am receiving while using "savedGoal" collection –
enter image description here

Here is the firebase document screenshot-
enter image description here

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2

Answers


  1. 0

    Check main.dart to ensure that you have initialized Firebase correctly. In case you have not initialized Firebase in your project then try initializing it by adding this in main:

    main() async {
    await Firebase.initializeApp(
      options: DefaultFirebaseOptions.currentPlatform,
    );
}

    If that’s not the case then can you please send add the logs related to this issue. Also cross check the format of the code. Use results.isNotEmpty() instead of results().data.isNotEmpity().

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  2. 0

    Then probably because .where('uid', isEqualTo: FirebaseAuth.instance.currentUser.uid) returning null because no matching documents are available.

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