SwiftNotificationSample

import UIKit

class NoticeCustomViewCell: UITableViewCell
{
    private var myButton: UIButton!
    
    override func awakeFromNib() {
        super.awakeFromNib()
    }
    
    override init(style: UITableViewCellStyle, reuseIdentifier: String!)
    {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        myButton = UIButton()
        myButton.frame = CGRectMake(20,5,250,30)
        myButton.backgroundColor = UIColor.blueColor()
        myButton.setTitle("Push Notice", forState: UIControlState.Normal)
        myButton.setTitleColor(UIColor.whiteColor(), forState: UIControlState.Normal)
        myButton.setTitleColor(UIColor.blackColor(), forState: UIControlState.Highlighted)
        myButton.layer.cornerRadius = 5
        myButton.addTarget(self, action: #selector(NoticeCustomViewCell.onClickMyButton(_:)), forControlEvents: .TouchUpInside)
        self.addSubview(myButton)
    }
    
    func onClickMyButton(sender: UIButton) {
        let message = "SUCCESS"
        NSNotificationCenter.defaultCenter().postNotificationName("callBack",object: message, userInfo: ["test": 999])
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("error")
    }
}

class NoticeTableSandBox: UIViewController, UITableViewDelegate, UITableViewDataSource {
    
    private var tableView: UITableView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        tableView = UITableView(frame: CGRect(x: 0, y:0, width: self.view.frame.width, height:self.view.frame.height))
        tableView.dataSource = self
        tableView.delegate = self
        tableView.registerClass(NoticeCustomViewCell.self, forCellReuseIdentifier: "customCell")
        self.view.addSubview(tableView)
    }
   
    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 3
    }
    
    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCellWithIdentifier("customCell", forIndexPath: indexPath) as! NoticeCustomViewCell
        cell.accessoryType = UITableViewCellAccessoryType.DisclosureIndicator
        return cell
    }
  
    override func viewWillAppear(animated: Bool) {
        super.viewWillAppear(animated)
        NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(NoticeTableSandBox.callBack(_:)), name: "callBack", object: nil)
        NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(NoticeTableSandBox.callBackError(_:)), name: "callBackError", object: nil)
    }
  
    override func viewWillDisappear(animated: Bool) {
        NSNotificationCenter.defaultCenter().removeObserver(self)
    }
   
    func callBack(notification: NSNotification) {
        dispatch_async(dispatch_get_main_queue(), {
            let myObject = notification.object
            print(myObject)
            if let userInfo = notification.userInfo {
                let value = userInfo["test"]! as! Int
                print(value)
            }
        })
    }

    func callBackError(notification: NSNotification) {
        dispatch_async(dispatch_get_main_queue(), {
            let myAlert = UIAlertController(title: "FAILED", message: "Error message", preferredStyle: .Alert)
            self.presentViewController(myAlert, animated: true, completion: nil)
        })
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }
    
}