IQKeyboardManager/Demo/Swift_Demo/ViewController/ViewController.swift

//
//  ViewController.swift
//  swift test
//
//  Created by Iftekhar on 22/09/14.
//  Copyright (c) 2014 Iftekhar. All rights reserved.
//

import UIKit
import IQKeyboardManagerSwift

class ViewController: UITableViewController, UIPopoverPresentationControllerDelegate {

    @IBAction func shareClicked (_ sender: UIBarButtonItem) {

        let shareString: String = "IQKeyboardManager is really great control for iOS developer to manage keyboard-textField."
        let shareImage: UIImage = UIImage(named: "IQKeyboardManagerScreenshot")!
        let youtubeUrl: URL = URL(string: "http://youtu.be/6nhLw6hju2A")!

        var activityItems = [Any]()
        activityItems.append(shareString)
        activityItems.append(shareImage)
        activityItems.append(youtubeUrl)

        let controller = UIActivityViewController(activityItems: activityItems, applicationActivities: nil)
        controller.excludedActivityTypes = [.print, .copyToPasteboard, .assignToContact, .saveToCameraRoll]
        present(controller, animated: true) { () -> Void in

        }
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        IQKeyboardManager.shared.toolbarManageBehaviour = IQAutoToolbarManageBehaviour.byPosition
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        tableView.deselectRow(at: indexPath, animated: true)
    }

    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {

        guard let identifier = segue.identifier else {
            return
        }

        if identifier == "SettingsNavigationController" {
            
            let controller = segue.destination
            
            controller.modalPresentationStyle = .popover
            controller.popoverPresentationController?.barButtonItem = sender as? UIBarButtonItem
            controller.popoverPresentationController?.sourceView = sender as? UIView
            
            let heightWidth = max(UIScreen.main.bounds.width, UIScreen.main.bounds.height)
            controller.preferredContentSize = CGSize(width: heightWidth, height: heightWidth)
            controller.popoverPresentationController?.delegate = self
        } else if identifier == "PopoverViewController" {
            let controller = segue.destination
            
            controller.modalPresentationStyle = .popover
            
            controller.popoverPresentationController?.barButtonItem = sender as? UIBarButtonItem
            controller.popoverPresentationController?.sourceView = sender as? UIView
            
            let heightWidth = max(UIScreen.main.bounds.width, UIScreen.main.bounds.height)
            controller.preferredContentSize = CGSize(width: heightWidth, height: heightWidth)
            controller.popoverPresentationController?.delegate = self
        }
    }

    func adaptivePresentationStyle(for controller: UIPresentationController) -> UIModalPresentationStyle {
        return .none
    }

    func prepareForPopoverPresentation(_ popoverPresentationController: UIPopoverPresentationController) {
        self.view.endEditing(true)
    }

    override var shouldAutorotate: Bool {
        return true
    }
}