I am trying to fetch data from firebase while the user is typing and I want to display that data in a tableview, but when I run my code I get this error: Thread 1: EXC_BAD_ACCESS (code=2, address=0x7ffeed614ff8)

This is how the structure of my database looks like.

  • users

    • uid

      • email

      • emailNotifications

      • username

      • fullName

This is what my code looks like. Instead of searching via the searchbar I just entered my own value(There is a user who has the username ginger) for this test.

//MARK: - Tableview Datasource Methods

    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return findFriends(text: "gin").count

    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

        let cell = tableView.dequeueReusableCell(withIdentifier: "addFriendCell", for: indexPath) as! AddFriendTableViewCell

        cell.lblName?.text =  findFriends(text: "gin")[indexPath.row].name

        cell.lbluserName?.text = findFriends(text: "gin")[indexPath.row].username

        return cell

    func findFriends(text: String) -> [User] {

        let user = User()
        var userArray = [User]()

        let ref = Database.database().reference()
        ref.child("users").queryOrdered(byChild: "username").queryStarting(atValue: text).queryEnding(atValue: text+"\u{f8ff}").observe(.value, with: { snapshot in

            for userSnapshot in snapshot.children{

                let userSnapshot = userSnapshot as! DataSnapshot
                guard let dictionary = userSnapshot.value as? [String: Any] else { return }

                user.name = (dictionary["name"] as? String)!
                user.username = (dictionary["username"] as? String)!

        return userArray


0 Answers