How should I use ObservableObject

Question

Created Dec ’20

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Hi Devs! I have my Firestore database set up and I want to have a reusable SwiftUI view for it. I asked a question about this and someone said use ObservableObject. I surfed the web and could not find any tutorials.

I would like it so my view's title changes to a value from the database.
This is the code to read the database:

Code Block languagelet docRef = db.collection("houses").document("\(houseId)")
  docRef.getDocument { (document, error) in
            if let document = document, document.exists {
                let dataDescription = document.data().map(String.init(describing:)) ?? "nil"
                print("Document data: \(dataDescription)")
                self.title = dataDescription
            
            } else {
                print("Document does not exist")
            }
}

How can I make dataDescription the text of a label?

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Answer 1

OOPer OP

Dec ’20

This is the code to read the database:

Where does that code exist?

0