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Why is the reference crossed out when getting a reference when using a firebase database in Flutter?

enter image description here

this is the problem.

I want to use realtime database with firebase and this problem is preventing me.
I think I’m using the old technique.

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2

Answers


  1. 0

    The code snippet in the image shows an older way to connect to Firebase Realtime Database.

    Here’s what you can do to update it:

    Create a DatabaseReference:

    Get a reference to the location in your database where you want to store or retrieve data:

    final database = FirebaseDatabase.instance;
final myRef = database.reference().child("path/to/your/data");

    Replace "path/to/your/data" with the actual path to your desired location.

    Write data to the database:

    Use the set method on the DatabaseReference to write data:

    myRef.set("Hello, World!");

    Read data from the database:

    Use the once method to get a snapshot of the data at a specific point in time:

    myRef.once().then((snapshot) {
  print(snapshot.value);
});
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  2. 0

    From the documentation of reference:

    @Deprecated('Deprecated in favor of calling ref().')
    DatabaseReference reference()
    Returns a DatabaseReference accessing the root of the database.

    So, use ref() instead of reference.

    This exact use-case is also covered in the documentation on getting a database reference.

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