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Hello World IOS App Using Swift

ViewController.swift
//
//  ViewController.swift
//  ViewCtrlSwift
//

import UIKit

class ViewController: UIViewController {
    
    @IBOutlet var myTxtField: UITextField!
    

    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    @IBAction func enterButtonPressed(obj:AnyObject){
        print("Button clicked")
        myTxtField.text = "Hello World"
        
        let alert:UIAlertController = UIAlertController(title: "Alert", message: "Do you want to go to Next ViewController?", preferredStyle: UIAlertControllerStyle.Alert)
        
        let okAction:UIAlertAction = UIAlertAction(title: "OK", style: UIAlertActionStyle.Default, handler: handleOK)
        
        let cancelAction:UIAlertAction = UIAlertAction(title: "Cancel", style: UIAlertActionStyle.Cancel, handler: nil)
        
        alert.addAction(okAction)
        alert.addAction(cancelAction)
        
        self.presentViewController(alert, animated: true, completion: nil)
    
        
    }
    
    func handleOK(action:UIAlertAction){
        print("OK Pressed")
        self.performSegueWithIdentifier("oksegue", sender: self)
    
    }
    
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        
        if segue.identifier == "oksegue"{
            
            let newViewCtrl:NewViewController = segue.destinationViewController as! NewViewController
            
            newViewCtrl.aText = myTxtField.text
        }
        
    }
    
    @IBAction func getCallBackSegue(unwindSegue:UIStoryboardSegue){
        
        if unwindSegue.identifier == "backsegue"{
            
            let newViewCtrl:NewViewController = unwindSegue.sourceViewController as! NewViewController
            myTxtField.text = newViewCtrl.myNewField.text
            
        
        }
    
    }

}

NewViewController.swift

//
//  NewViewController.swift
//  ViewCtrlSwift
//

import UIKit

class NewViewController: UIViewController {

    @IBOutlet var myLbl: UILabel!
    var aText:String!
    
    @IBOutlet var myNewField: UITextField!
    override func viewDidLoad() {
        super.viewDidLoad()
        myLbl.text = aText
        // Do any additional setup after loading the view.
    }

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

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}

iOS

2017-12-19 00:07:26
1) CoreData - UIDatePicker - Part2 - Final
2017-12-18 23:29:30
2) CoreData - UIDatePicker - Part1
2017-12-18 05:09:33
3) Shopping List App - Swift Part 2 - ActionSheet
2017-12-18 03:22:51
4) Shopping List App - Swift Part 1
2017-12-17 23:34:49
5) Swift - Introduction - WebService
2017-12-15 03:30:23
6) Shopping List IOS App - Part 2
2017-12-15 01:21:10
7) Shopping List IOS App - Part 1
2017-12-14 21:58:22
8) Shopping List IOS App - API Calls
2017-12-14 03:48:37
9) Delegate - Protocols - WebService
2017-12-13 04:28:23
10) NSMutableArray - NSMutableDictionary - TableViewController
2017-12-13 02:47:13
11) UITableViewController
2017-12-12 22:59:32
12) Segue Forward And Unwind
2016-02-27 03:20:22
13) GoogleMap Addon
2016-02-26 04:06:38
14) UILocalNotification With NSNotificationCenter
2016-02-25 03:51:07
15) CLLocationManager Example
2016-02-24 03:27:59
16) UIImagePickerController Using Camera And PhotoLibrary
2016-02-23 02:08:19
17) Multi Section UITableView - UIPickerView
2016-02-18 03:16:09
18) Hello World IOS App Using Swift
2016-02-17 03:10:24
19) Swift Programming Language - Playground
2016-02-15 02:06:55
20) TabBar Controller
2016-02-15 02:06:55
21) Understanding Auto Layout and Layout Constraints
2016-02-10 22:56:12
22) Shopping List App - Cloud - Part 3 - Final
2016-02-09 04:12:06
23) Shopping List App - Cloud - Part 2
2016-02-08 03:21:52
24) Shopping List App - Cloud - Part 1
2016-02-05 03:24:01
25) Protocol And Delegates With NSURLSession
2016-02-04 00:59:51
26) Webservice Using NSURLSession
2016-02-02 02:09:13
27) UIPickerView Addon - InputView And AccessoryView For UITextField
2016-02-02 02:07:12
28) Protocol And Delegates
2016-02-01 00:37:02
29) UIPickerView - Add Programmatically
2016-01-30 00:52:48
30) NSUserDefaults - UIAlertControler - Back Navigation Title Change
2016-01-29 02:01:06
31) CoreData - StudentsRecord App
2016-01-27 21:54:28
32) Manual Segue
2016-01-27 00:04:21
33) TableViewController Example
2016-01-25 02:08:16
34) NSArray And NSDictionary
2016-01-23 03:23:10
35) Reverse (Unwind) Segue
2016-01-22 00:56:28
36) ViewController - Segue - Messages
2014-12-22 05:29:28
37) WebService Example
2014-12-22 05:16:57
38) CoreData Example

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