login

//
//  loginController.swift
//  MyFlags
//
//  Created by Hackeru_Student on 8/15/18.
//  Copyright © 2018 Hackeru_Student. All rights reserved.
//

import UIKit

class loginController: UIViewController {

    @IBOutlet weak var txtUser: UITextField!
    @IBOutlet weak var txtPassword: UITextField!
    override func viewDidLoad() {
        super.viewDidLoad()

    }

    @IBAction func btnLogin(_ sender: Any) {
        let myUser = txtUser.text!
        let myPass = txtPassword.text!
        if myUser == "zeev" && myPass == "12345"
        {
            //intent
            let flagVC = storyboard?.instantiateViewController(withIdentifier: "vcFlag")
            //startActivity
            present(flagVC!, animated: true, completion: nil)
        }
        else
        {
            self.showToast(message: "error in user name or password")
        }
        txtUser.text = ""
        txtPassword.text = ""
    }
}

extension UIViewController{
    func showToast(message: String)
    {
        let toastLabel = UILabel(frame: CGRect(x: self.view.frame.size.width/2, y: self.view.frame.size.height-100, width: 150, height: 35))
        toastLabel.backgroundColor = UIColor.black.withAlphaComponent(0.6)
        toastLabel.textColor = UIColor.white
        toastLabel.textAlignment = .center
        toastLabel.text = message
        toastLabel.alpha = 1
        toastLabel.layer.cornerRadius = 10
        toastLabel.clipsToBounds = true
        self.view.addSubview(toastLabel)
        UIView.animate(withDuration: 4.0, delay: 0.1, options: .curveEaseOut, animations: {
            toastLabel.alpha = 0.0
        }, completion: { (isCompleted) in
            toastLabel.alpha = CGFloat(0.0)
            })
    }
}