개발은 너무해

let background = UIView()

background.layer.backgroundColor = UIColor.black.cgColor

background.layer.opacity = 0.5 

let background = UIView()

background.layer.backgroundColor = UIColor.black.cgColor

background.layer.opacity = 0.5

let title = UILabel()

backgroud.addSubview(title)

let background = UIView()

background.layer.backgroundColor = (UIColor.black.cgColor).copy(alpha: 0.5)

let title = UILabel()

background.addSubview(title)

Xcode7 

Xcode8 

SQLite Manual 사용 

SQLite CocoPods 사용 

could not build objective-c module 'csqlite'

header 'stdatomic.h' not found  

    override func viewDidLoad() {

        super.viewDidLoad()

        NotificationCenter.default.addObserver(self, selector: #selector(willEnterForeground), name: .UIApplicationWillEnterForeground, object: nil)

    }

    func willEnterForeground() {

        // do stuff

        print("complete TEST")

    } 

var buttonValue = false

@IBAction func BoolButton(_ sender: UIButton) {

    if buttonValue == true {

        buttonValue = false

    } else {

        buttonValue = true

    }

}

var buttonValue = false

@IBAction func BoolButton(_ sender: UIButton) {

    buttonValue = !buttonValue

} 

• prefs:root=General&path=About
• prefs:root=General&path=ACCESSIBILITY
• prefs:root=AIRPLANE_MODE
• prefs:root=General&path=AUTOLOCK
• prefs:root=General&path=USAGE/CELLULAR_USAGE
• prefs:root=Brightness
• prefs:root=Bluetooth
• prefs:root=General&path=DATE_AND_TIME
• prefs:root=FACETIME
• prefs:root=General
• prefs:root=General&path=Keyboard
• prefs:root=CASTLE
• prefs:root=CASTLE&path=STORAGE_AND_BACKUP
• prefs:root=General&path=INTERNATIONAL
• prefs:root=LOCATION_SERVICES
• prefs:root=ACCOUNT_SETTINGS
• prefs:root=MUSIC
• prefs:root=MUSIC&path=EQ
• prefs:root=MUSIC&path=VolumeLimit
• prefs:root=General&path=Network
• prefs:root=NIKE_PLUS_IPOD
• prefs:root=NOTES
• prefs:root=NOTIFICATIONS_ID
• prefs:root=Phone
• prefs:root=Photos
• prefs:root=General&path=ManagedConfigurationList
• prefs:root=General&path=Reset
• prefs:root=Sounds&path=Ringtone
• prefs:root=Safari
• prefs:root=General&path=Assistant
• prefs:root=Sounds
• prefs:root=General&path=SOFTWARE_UPDATE_LINK
• prefs:root=STORE
• prefs:root=TWITTER
• prefs:root=FACEBOOK
• prefs:root=General&path=USAGE prefs:root=VIDEO
• prefs:root=General&path=Network/VPN
• prefs:root=Wallpaper
• prefs:root=WIFI
• prefs:root=INTERNET_TETHERING
• prefs:root=Phone&path=Blocked
• prefs:root=DO_NOT_DISTURB

let settingsUrl = URL(string: "App-Prefs:root=General&path=Keyboard")

if let url = settingsUrl {

    UIApplication.shared.open(url, options: [:], completionHandler: nil)

} 

let userMessage = "사용자: \(username)"+"\n"+"휴대폰: \(phone)"+"\n"+"네이트온: \(nateon)"

let alertController = UIAlertController(title: "삭제 하시겠습니까?", message: userMessage, preferredStyle: .alert)

let submit = UIAlertAction(title: "Submit", style: UIAlertActionStyle.default, handler: { (paramAction:UIAlertAction) in

    if let status = self.ArrayUserName[indexPath.row].authstatus, let auth = self.ArrayUserName[indexPath.row].authvalue {

        self.ProcessData(flag: "delete", authvalue: auth, authstatus: status)

    }

        self.ArrayUserName.remove(at: indexPath.row)

         tableView.deleteRows(at: [indexPath], with: UITableViewRowAnimation.automatic)

     })

    let cancel = UIAlertAction(title:"Cancel", style:UIAlertActionStyle.cancel, handler:nil)

    let paragraphStyle = NSMutableParagraphStyle()

    paragraphStyle.alignment = NSTextAlignment.left

    let messageText = NSMutableAttributedString(

        string: userMessage,

        attributes: [

            NSParagraphStyleAttributeName: paragraphStyle,

            NSFontAttributeName: UIFont.systemFont(ofSize: 15.0)

         ]

    )

    alertController.setValue(messageText, forKey: "attributedMessage")        

    alertController.addAction(submit)

    alertController.addAction(cancel)

    self.present(alertController, animated: true, completion: nil) 

import UIKit

class MasterViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {

    @IBOutlet weak var MenuTable: UITableView?

    var data = ["Awesome Stuff","Interesting Stuff","Cool Stuff"]

    var stuffType:String? = nil

    var quickActionString:String? = nil

    override func viewDidLoad() {

        super.viewDidLoad()

        // Do any additional setup after loading the view, typically from a nib.

        MenuTable?.delegate = self

        MenuTable?.dataSource = self

        if traitCollection.forceTouchCapability == .available {

            registerForPreviewing(with: self, sourceView: MenuTable!)

        }

    }

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

        return data.count

    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)

        cell.textLabel?.text = data[indexPath.row]

        return cell

    }

    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {

        if let cell = MenuTable?.cellForRow(at: indexPath) {

            stuffType = cell.textLabel?.text

            self.performSegue(withIdentifier: "showStuff", sender: self)

        }

    }

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

        if segue.identifier == "showStuff" {

            let stuffVC = segue.destination as? AddStuffViewController

            stuffVC?.detailInfo = stuffType

        }

    }

} 

import UIKit

extension MasterViewController: UIViewControllerPreviewingDelegate {

    // PEEK

    func previewingContext(_ previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? {

        guard let indexPath = MenuTable?.indexPathForRow(at: location),

            let cell = MenuTable?.cellForRow(at: indexPath) else {return nil}

        guard let previewVC = storyboard?.instantiateViewController(withIdentifier: "PreviewVC") as? PreviewViewController else {return nil}

        previewVC.selectedItem = data[indexPath.row]

        quickActionString = data[indexPath.row]

        previewVC.preferredContentSize = CGSize(width: 0, height: 150)

        previewingContext.sourceRect = cell.frame

        return previewVC

    }

    // POP

    func previewingContext(_ previewingContext: UIViewControllerPreviewing, commit viewControllerToCommit: UIViewController) {

        if let stuffVC = storyboard?.instantiateViewController(withIdentifier: "AddStuffVC") as? AddStuffViewController {

            stuffVC.detailInfo = quickActionString

            show(stuffVC, sender: self)

        }

    }

} 

import UIKit

class PreviewViewController: UIViewController {

    var selectedItem: String? = nil

    var previewActions:[UIPreviewActionItem] {

        let item1 = UIPreviewAction(title: "Do something", style: .default) { (action:UIPreviewAction, vc:UIViewController) -> Void in

            print("Awesome")

        }

        let item2 = UIPreviewAction(title: "Do even more", style: .default) { (action:UIPreviewAction, vc:UIViewController) -> Void in

            print("cool")

        }

        return [item1,item2]

    }

    @IBOutlet weak var previewLabel: UILabel?

    override func viewDidLoad() {

        super.viewDidLoad()

        // Do any additional setup after loading the view.

    }

    override func viewWillAppear(_ animated: Bool) {

        super.viewWillAppear(animated)

        previewLabel?.text = selectedItem

    }

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

}