UIProgressView : Dynamic

//

//  ViewController.swift

//  TestApp2

//

//  Created by Divakar Singh on 3/7/17.

//  Copyright (c) 2017 Divakar Singh. All rights reserved.

//

import UIKit

class ViewController: UIViewController {

   

     var progressView: UIProgressView!

     var progressLabel: UILabel!

    var btn1 : UIButton!

    

    var current: Int = 0

    

    override func viewDidLoad() {

        super.viewDidLoad()

        

        // Create Progress View Control

        progressView = UIProgressView(progressViewStyle: UIProgressViewStyle.Default)

        progressView.center = self.view.center

        view.addSubview(progressView!)

        

        // Add Label

        progressLabel = UILabel()

        let frame = CGRectMake(25, 100, 100, 50)

        progressLabel.frame = frame

        progressLabel.text = "0"

        progressLabel.backgroundColor = UIColor.orangeColor()

        view.addSubview(progressLabel)

        

        // Add Button

        btn1 = UIButton()

        let frame1 = CGRectMake(25, 20, 100, 50)

        btn1.setTitle("Click me", forState: UIControlState.Normal)

        btn1.frame = frame1

        btn1.backgroundColor = UIColor.orangeColor()

        view.addSubview(btn1!)

        

        btn1.addTarget(self, action: "actionTriggered:", forControlEvents: UIControlEvents.TouchUpInside)

    }

    

    func actionTriggered(sender: AnyObject) {

        

        // Get current values.

        let i = current

        let max = 10

        

        // If we still have progress to make.

        if i <= max {

            // Compute ratio of 0 to 1 for progress.

            let ratio = Float(i) / Float(max)

            // Set progress.

            progressView.progress = Float(ratio)

            // Write message.

            progressLabel.text = "Processing \(i) of \(max)..."

            current++

        }

    }

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

    }

    

}