Busca DB Firebase

ViewController.swift

//
//  ViewController.swift
//  TesteFirebase
//
//  Created by Pedro Gaya on 07/07/17.
//  Copyright © 2017 GayaSolutions. All rights reserved.
//

import UIKit
import FirebaseDatabase

class ViewController: UIViewController {

    @IBOutlet weak var labelPontuacao: UILabel!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        let database = Database.database().reference().child("usuarios")
        database.queryStarting(atValue: "Me", childKey: "nome").queryEnding(atValue: "Z"+"\u{F8FF}", childKey: "nome").queryOrdered(byChild: "nome").observe(DataEventType.value, with: { (dados) in
            for nomes in dados.children.allObjects as! [DataSnapshot] {
                let objeto = nomes.value as! [String: AnyObject]
                let idade = objeto["idade"]!
                let nome = objeto["nome"]!
                print("-----")
                print(idade)
                print (nome)
                print("-----")
            }
        })
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


}



let database = Database.database().reference().child("medicamentos")
        database.queryOrdered(byChild: "nome").observe(DataEventType.value, with: { (dados) in
            for nomes in dados.children.allObjects as! [DataSnapshot] {
                let objeto = nomes.value as! [String: AnyObject]
                let nome = objeto["nome"]!
                print("-----")
                print (nome)
                print("-----")
            }
        })

"auth != null"