스위프트 파이어베이스 카카오톡 #1 [ splash 만들기 ] swift firebase

//

//  ViewController.swift

//  FreeTalk

//

//  Created by stayfoolish on 2018. 8. 30..

//  Copyright © 2018년 stayfoolish. All rights reserved.

//

import UIKit

import SnapKit

import Firebase

class ViewController: UIViewController {

    var box = UIImageView()

    var remoteConfig: RemoteConfig!

    

    override func viewDidLoad() {

        super.viewDidLoad()

        

        remoteConfig = RemoteConfig.remoteConfig()

        let remoteConfigSettings = RemoteConfigSettings(developerModeEnabled: true)

        remoteConfig.configSettings = remoteConfigSettings!

        remoteConfig.setDefaults(fromPlist: "RemoteConfigDefaults")

        remoteConfig.fetch(withExpirationDuration: TimeInterval(0)) { (status, error) -> Void in

            if status == .success {

                print("Config fetched!")

                self.remoteConfig.activateFetched()

            } else {

                print("Config not fetched")

                print("Error: \(error!.localizedDescription)")

            }

            self.displayWelcome()

        }

        

        

        self.view.addSubview(box)

        box.snp.makeConstraints{(make) in

            make.center.equalTo(self.view)

        }

        box.image =  imageLiteral(resourceName: "loading_icon")

        self.view.backgroundColor = UIColor(hex: "#000000")

    }

    func displayWelcome(){

        let color = remoteConfig["splash_background"].stringValue

        let caps = remoteConfig["splash_message_caps"].boolValue

        let message = remoteConfig["splash_message"].stringValue

        

        if(caps){

            let alert = UIAlertController(title: "공지사항", message: message, preferredStyle: UIAlertControllerStyle.alert)

            alert.addAction(UIAlertAction(title: "확인", style: UIAlertActionStyle.default, handler: { (action) in

                exit(0)

            }))

            self.present(alert, animated: true, completion: nil)

        }

        self.view.backgroundColor = UIColor(hex: color!)

    }

    

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

}

extension UIColor {

    convenience init(hex: String) {

        let scanner = Scanner(string: hex)

        

        scanner.scanLocation = 1

        

        var rgbValue: UInt64 = 0

        

        scanner.scanHexInt64(&rgbValue)

        

        let r = (rgbValue & 0xff0000) >> 16

        let g = (rgbValue & 0xff00) >> 8

        let b = rgbValue & 0xff

        

        self.init(

            red: CGFloat(r) / 0xff,

            green: CGFloat(g) / 0xff,

            blue: CGFloat(b) / 0xff, alpha: 1

        )

    }

}