//タイマークラスのインスタンスを生成（必ず必要）
    var timer: Timer!


    func startTimer() {
        timer = Timer.scheduledTimer(
            timeInterval: 0.01,
            target: self,
            selector: #selector(self.timerCounter),
            userInfo: nil,
            repeats: true)
    }


func stopTimer {
timer.invalidate()
}

import UIKit
 
class ViewController: UIViewController {
 
//タイマークラスのインスタンスを生成（必ず必要）
    var timer: Timer!
 
    override func viewDidLoad() {
        super.viewDidLoad()
 
    }
 
// viewの生成が終わったらタイマーがスタートされる。
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(true)
 
        startTimer()
 
    }
 
// 
    func startTimer() {
        timer = Timer.scheduledTimer(
            timeInterval: 0.01,
            target: self,
            selector: #selector(self.timerCounter),
            userInfo: nil,
            repeats: true)
    }
 
    @objc func timerCounter() {
        let now = Date()
 
        let fomatter = DateFormatter()
        fomatter.dateFormat = "mm:ss.SSS"
        print(fomatter.string(from: now))
    }
 
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(true)
        timer.invalidate()
    }
 
}

pod 'Firebase/Storage'

let storage = Storage.storage()
let reference = storage.reference()

let path = "gs://[プロジェクト名].appspot.com/test/test.png"
let imageRef = reference.child(path)

let url = URL(string: "ローカル（端末）の格納場所")
let uploadTask = imageRef.putFile(from: url)

guard let data = image.pngData() else {
    return
}
let uploadTask = imageRef.putData(data)

var downloadURL: URL?
uploadTask.observe(.success) { _ in
    imageRef.downloadURL { url, error in
        if let url = url {
            downloadURL = url
        }
    }
}

    uploadTask.observe(.failure) { SnapshotMetadata in
      if let errorMessage = SnapshotMetadata.error as NSError? {
        switch (StorageErrorCode(rawValue: Int(errno))!) {
        case .objectNotFound:
          print("ファイルが存在しません。",errorMessage)
        case .unauthorized :
          print("ユーザーにはファイルにアクセスする権限がありません",errorMessage)
          break
        case .cancelled :
          print("ユーザーがアップロードをキャンセルしました")
        case .unknown :
          print("不明なエラーが発生しました。サーバーの応答を調べてください",errorMessage)
          break
        default:
          print("別のエラーが発生しました。これは、アップロードを再試行するのに適した場所です。",errorMessage)
          break
        }
      }
    }

do {
    let data = try Data(contentsOf: url!)
    return UIImage(data: data)!
} catch let error {
    print("Error : \(error.localizedDescription)")
}

//
//  ViewController.swift
//  TestCamera
//

import UIKit
import AVFoundation

class ViewController: UIViewController {

    // デバイスからの入力と出力を管理するオブジェクトの作成
    var captureSession = AVCaptureSession()
    // カメラデバイスそのものを管理するオブジェクトの作成
    // メインカメラの管理オブジェクトの作成
    var mainCamera: AVCaptureDevice?
    // インカメの管理オブジェクトの作成
    var innerCamera: AVCaptureDevice?
    // 現在使用しているカメラデバイスの管理オブジェクトの作成
    var currentDevice: AVCaptureDevice?
    // キャプチャーの出力データを受け付けるオブジェクト
    var photoOutput : AVCapturePhotoOutput?
    // プレビュー表示用のレイヤ
    var cameraPreviewLayer : AVCaptureVideoPreviewLayer?
    // シャッターボタン
    @IBOutlet weak var cameraButton: UIButton!

    override func viewDidLoad() {
        super.viewDidLoad()
        setupCaptureSession()
        setupDevice()
        setupInputOutput()
        setupPreviewLayer()
        captureSession.startRunning()
        styleCaptureButton()
    }

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

    // シャッターボタンが押された時のアクション
    @IBAction func cameraButton_TouchUpInside(_ sender: Any) {
        let settings = AVCapturePhotoSettings()
        // フラッシュの設定
        settings.flashMode = .auto
        // カメラの手ぶれ補正
        settings.isAutoStillImageStabilizationEnabled = true
        // 撮影された画像をdelegateメソッドで処理
        self.photoOutput?.capturePhoto(with: settings, delegate: self as! AVCapturePhotoCaptureDelegate)
    }

}

//MARK: AVCapturePhotoCaptureDelegateデリゲートメソッド
extension ViewController: AVCapturePhotoCaptureDelegate{
    // 撮影した画像データが生成されたときに呼び出されるデリゲートメソッド
    func photoOutput(_ output: AVCapturePhotoOutput, didFinishProcessingPhoto photo: AVCapturePhoto, error: Error?) {
        if let imageData = photo.fileDataRepresentation() {
            // Data型をUIImageオブジェクトに変換
            let uiImage = UIImage(data: imageData)
            // 写真ライブラリに画像を保存
            UIImageWriteToSavedPhotosAlbum(uiImage!, nil,nil,nil)
        }
    }
}

//MARK: カメラ設定メソッド
extension ViewController{
    // カメラの画質の設定
    func setupCaptureSession() {
        captureSession.sessionPreset = AVCaptureSession.Preset.photo
    }

    // デバイスの設定
    func setupDevice() {
        // カメラデバイスのプロパティ設定
        let deviceDiscoverySession = AVCaptureDevice.DiscoverySession(deviceTypes: [AVCaptureDevice.DeviceType.builtInWideAngleCamera], mediaType: AVMediaType.video, position: AVCaptureDevice.Position.unspecified)
        // プロパティの条件を満たしたカメラデバイスの取得
        let devices = deviceDiscoverySession.devices

        for device in devices {
            if device.position == AVCaptureDevice.Position.back {
                mainCamera = device
            } else if device.position == AVCaptureDevice.Position.front {
                innerCamera = device
            }
        }
        // 起動時のカメラを設定
        currentDevice = mainCamera
    }

    // 入出力データの設定
    func setupInputOutput() {
        do {
            // 指定したデバイスを使用するために入力を初期化
            let captureDeviceInput = try AVCaptureDeviceInput(device: currentDevice!)
            // 指定した入力をセッションに追加
            captureSession.addInput(captureDeviceInput)
            // 出力データを受け取るオブジェクトの作成
            photoOutput = AVCapturePhotoOutput()
            // 出力ファイルのフォーマットを指定
            photoOutput!.setPreparedPhotoSettingsArray([AVCapturePhotoSettings(format: [AVVideoCodecKey : AVVideoCodecType.jpeg])], completionHandler: nil)
            captureSession.addOutput(photoOutput!)
        } catch {
            print(error)
        }
    }

    // カメラのプレビューを表示するレイヤの設定
    func setupPreviewLayer() {
        // 指定したAVCaptureSessionでプレビューレイヤを初期化
        self.cameraPreviewLayer = AVCaptureVideoPreviewLayer(session: captureSession)
        // プレビューレイヤが、カメラのキャプチャーを縦横比を維持した状態で、表示するように設定
        self.cameraPreviewLayer?.videoGravity = AVLayerVideoGravity.resizeAspectFill
        // プレビューレイヤの表示の向きを設定
        self.cameraPreviewLayer?.connection?.videoOrientation = AVCaptureVideoOrientation.portrait

        self.cameraPreviewLayer?.frame = view.frame
        self.view.layer.insertSublayer(self.cameraPreviewLayer!, at: 0)
    }

    // ボタンのスタイルを設定
    func styleCaptureButton() {
        cameraButton.layer.borderColor = UIColor.white.cgColor
        cameraButton.layer.borderWidth = 5
        cameraButton.clipsToBounds = true
        cameraButton.layer.cornerRadius = min(cameraButton.frame.width, cameraButton.frame.height) / 2
    }
}

let hoge: String? = nil //`hoge`の中身は`nil`

guard let fuga = hoge else { return } //`hoge`は`nil`なのでreturnされる
//`hoge`が`nil`ではなかった時の後続処理…

let hoge: String? = nil //`hoge`の中身は`nil`
if let fuga = hoge { 
    //`hoge`が`nil`ではない場合にこっち
    //後続処理へ…
} else {
    //`hoge`が`nil`の場合にこっち
    //後続処理へ…
}

session.startRunning()

self.session.stopRunning()

// 計測されるメソッド
func test() -> Void {
    for i in 0..<10000 {
        print(i)
    }
}

// 計測するメソッド
func funcTime(_ log: String, action: () -> Void) {
    let startDate = Date()
    action()
    let endDate = Date()
    print("\(log) \(endDate.timeIntervalSince(startDate))")
}


funcTime("self.test", action: {
            test()
        })

// 計測されるメソッド
func test() -> Void {
    for i in 0..<1000 {
        print(i)
    }
}

// 計測するメソッド
func funcTime(_ log: String, action: () -> Void) {
    let startDate = Date()
    action()
    let endDate = Date()
//  let num : Float = 0.7922459840774536
  
//  let roundNum = round((num) * 100) / 100
  
  let realRoundNum = round(endDate.timeIntervalSince(startDate) * 100 / 100)
  
  print("結果",realRoundNum)
//  print("\(log)  \(round(endDate.timeIntervalSince(startDate)) * 100 / 100)")
//  print("\(log)  \(endDate.timeIntervalSince(startDate))")
}


// 
funcTime("self.test", action: {
            test() // ←計測される関数
        })
// 少数第３まで表示するはずだか・・・結果 1.0

let closure = { () -> () in
    print("クロージャ内")
}
closure() //これを実行して初めてクロージャ内のprintが行われる

let closure = { (str:String) -> () in
    print("クロージャ内:\(str)")
}
closure("にゃーん")  //クロージャ内:にゃーん　と表示
closure("わん")     //クロージャ内:わん　と表示

let closure = { () -> (String) in
    let str = "もちもち"
    return str
}
print(closure())  //もちもち　と表示

let closure = { (name:String) -> (String) in
    return "ペットの名前は" + name + "です。"
}
print(closure("もちこ"))    //ペットの名前はもちこです。　と表示

// ラベルをIBに接続
 @IBOutlet weak var DateLabel: UILabel!
  
// UIDatePickerを接続
  @IBOutlet weak var datePicker: UIDatePicker!
  
  var dateString:String = ""

  override func viewDidLayoutSubviews() {
    // datePicker を透明にする
    datePicker.subviews.forEach({ $0.subviews.forEach({ $0.removeFromSuperview() }) })
  }

datePicker.locale = Locale(identifier: "ja") //日本語に変更

import UIKit

class CustomView: UIView {

    override init(frame: CGRect) {
        super.init(frame: frame)
        loadNib()
    }
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        loadNib()
        //fatalErrorがデフォルトで入っていますが消さないとエラーになってしまうので注意してください！
    }
    func loadNib() {
        //CustomViewの部分は各自作成したXibの名前に書き換えてください
        let view = Bundle.main.loadNibNamed("CustomView", owner: self, options: nil)?.first as! UIView
        view.frame = self.bounds
        self.addSubview(view)
    }
}

func stopCameraSession() {
    if captureSession.isRunning {
            self.captureSession.stopRunning()
    }
}

let resultview = Bundle.main.loadNibNamed("ResultView", owner: self, options: nil)?.first as! UIView
    resultview.frame = self.bounds
    datePicker.preferredDatePickerStyle = .inline
    datePicker.datePickerMode = UIDatePicker.Mode.date
    datePicker.locale = Locale(identifier: "ja")
    observeDateFeild.inputView = datePicker
    // 決定バーの生成
    let toolbar = UIToolbar(frame: CGRect(x: 0, y: 0, width: resultview.frame.size.width, height: 35))
    let spacelItem = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: self, action: nil)
    let doneItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(done))
    toolbar.setItems([spacelItem, doneItem], animated: true)

    // インプットビュー設定(紐づいているUITextfieldへ代入)
    observeDateFeild.inputView = datePicker
    observeDateFeild.inputAccessoryView = toolbar

 private func setupPickerView() {
     pickerView.delegate = self
     pickerView.dataSource = self
     let toolbar = UIToolbar()
     let space = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
     let doneButton = UIBarButtonItem(title: "Done", style: .done, target: self, action: #selector(ResultView.tappedDone))
     toolbar.items = [space, doneButton]
     toolbar.sizeToFit()
   itemNumTextFeild.inputView = pickerView
   itemNumTextFeild.inputAccessoryView = toolbar
 }

 @objc func tappedDone() {
   itemNumTextFeild.resignFirstResponder()
 }

Extensions.swift
//
//  Extensions with stored properties.swift
//  Extensions with stored properties
//
//  Created by ryosuke-hujisawa on 2017/11/02.
//  Copyright © 2017年 ryosuke-hujisawa. All rights reserved.
//

import Foundation

extension ViewController {

    struct extensionStruct {
        //structの中であればvar定義できる
        var extensionVar = "extensionVarString"
    }
}
ViewControllerから呼び出す
ViewController.swift
//
//  ViewController.swift
//  Extensions with stored properties
//
//  Created by ryosuke-hujisawa on 2017/11/02.
//  Copyright © 2017年 ryosuke-hujisawa. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

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

        let instanceStruct = extensionStruct()
        print(instanceStruct.extensionVar)
    }

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

var resultTitleString : String?

   if resultTitleString != nil {
      resultTitleText.text = resultTitleString
      print("resultTitleString:",resultTitleString as Any)
    }

func InstantiateCustomView<T: UIView>(classToCreate: AnyClass) -> T {
    let view = UINib(nibName: NSStringFromClass(classToCreate), bundle: nil).instantiateWithOwner(nil, options: nil)[0] as T
    
    return view
}

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        let view: CustomView = InstantiateCustomView(CustomView)
        self.view.addSubview(view)
    }

}

let keyWindow = UIApplication.shared.connectedScenes
        .filter({$0.activationState == .foregroundActive})
        .map({$0 as? UIWindowScene})
        .compactMap({$0})
        .first?.windows
        .filter({$0.isKeyWindow}).first

let keyWindow = UIApplication.shared.windows.filter{$0.isKeyWindow}.first

let keyWindow = UIApplication.shared.windows.first { $0.isKeyWindow }

let url = downloadURL?.absoluteString ?? ""

let docData = documentSnapshot.data()
let timestamp = docData["createdAt"] as! Timestamp
let date = timestamp.dateValue()

let dateFormatter = DateFormatter()
dateFormatter.locale = .init(identifier: "en_US_POSIX")
dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
let date = dateFormatter.date(from: dateStr)

struct Animal {
    private(set) public var nameJP : String
    private(set) public var nameEN : String
    private(set) public var imageName : String
    
    init(nameJP: String, nameEN: String, imageName: String) {
        self.nameJP = nameJP
        self.nameEN = nameEN
        self.imageName = imageName
    }
}

    guard
        let _profile = profile,
        let _credential = credential,
        let _accessToken = _credential.accessToken
    else {
// nilの場合の処理
        print("Invalid Repsonse")
        return
    }
print("nilではありませんでした。")
// nilでなければ、ここが処理される。

class ViewController: UIViewController {
    
    @IBOutlet weak var tableView: UITableView!
    var items = ["Item1", "Item2", "Item3", "Item4", "Item5"]
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        tableView.dataSource = self
        tableView.delegate = self
    }
    
    
}

extension ViewController: UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        items.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "testCell")!
        cell.textLabel?.text = items[indexPath.row]
        return cell
    }
   
}

    func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
        let destructiveAction = UIContextualAction(style: .destructive, title: "") { (action, view, completionHandler) in
            self.items.remove(at: indexPath.row)
            tableView.deleteRows(at: [indexPath], with: .automatic)
            completionHandler(true)
        }
        destructiveAction.backgroundColor = .systemPink
        destructiveAction.image = UIImage(systemName: "trash.fill")
        let configuration = UISwipeActionsConfiguration(actions: [destructiveAction])
        return configuration
    }

class TestCell: UITableViewCell {

    let trashImage: UIImageView = {
        let imageView = UIImageView()
        imageView.image = UIImage(systemName: "trash")
        imageView.translatesAutoresizingMaskIntoConstraints = false
        imageView.tintColor = .white
        imageView.contentMode = .scaleAspectFill
        return imageView
    }()
    let overlay: UIView = {
        let view = UIView()
        view.translatesAutoresizingMaskIntoConstraints = false
        view.backgroundColor = .white
        return view
    }()
    let label: UILabel = {
        let label = UILabel()
        label.text = ""
        label.translatesAutoresizingMaskIntoConstraints = false
        return label
    }()

    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        self.backgroundColor = .systemPink
        
        overlay.addSubview(label)
        self.addSubview(trashImage)
        self.addSubview(overlay)
        
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override func didAddSubview(_ subview: UIView) {
        super.didAddSubview(subview)
        overlay.frame = CGRect(x: 0, y: 0, width: self.frame.width, height: self.frame.height)
        label.frame = CGRect(x: 20, y: 0, width: overlay.frame.width-20, height: overlay.frame.height)
        trashImage.layer.anchorPoint = CGPoint(x: 0, y: 0.5)
        updateTrashSize(20)
    }
    
    func updateTrashSize(_ s: CGFloat) {
        trashImage.frame = CGRect(x: 0, y: 0, width: s, height: s)
        trashImage.layer.position.x = self.frame.width - s
        trashImage.layer.position.y = 40
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        // Initialization code

    }
    override func setSelected(_ selected: Bool, animated: Bool) {
          super.setSelected(selected, animated: animated)

          // Configure the view for the selected state
      }
}

class ViewController: UIViewController {
    
    @IBOutlet weak var tableView: UITableView!
    private var items = ["items-1", "items-2", "items-3", "items-4", "items-5"]
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        tableView.register(TestCell.self, forCellReuseIdentifier: "testCell")
        tableView.dataSource = self
    }
}

extension ViewController: UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return items.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "testCell") as! TestCell
        cell.addGestureRecognizer(UIPanGestureRecognizer(target: self, action: #selector(cellPanned(_:))))
        cell.label.text = items[indexPath.row]
        return cell
    }
    
    
    @objc func cellPanned(_ sender: UIPanGestureRecognizer) {
        switch sender.state {
        case .began:
            panBegan(sender)
        case .changed:
            panChanged(sender)
        case .ended:
            panEnded(sender)
        default: break
        }
    }
    
    func panBegan(_ sender: UIPanGestureRecognizer) {
        // 必要なら何か処理を書く
    }
    func panChanged(_ sender: UIPanGestureRecognizer) {
        let cell = sender.view as! TestCell
        let x = cell.layer.position.x
        let dx = sender.translation(in: self.view).x
        if dx < 0 {
            cell.overlay.layer.position.x = x + dx
        }
        if abs(dx) > cell.frame.width / 4 {
            UIView.animate(withDuration: 0.2,
                           delay: 0,
                           options: .curveEaseOut,
                           animations: {
                            cell.updateTrashSize(50)
            }, completion: nil)
        }
    }
    func panEnded(_ sender: UIPanGestureRecognizer) {
        let cell = sender.view as! TestCell
        let dx = sender.translation(in: self.view).x
        if abs(dx) > cell.frame.width / 4 {
            UIView.animate(withDuration: 0.2,
                           delay: 0,
                           options: .curveEaseOut,
                           animations: {
                            cell.overlay.layer.position.x = -cell.overlay.frame.width
            }, completion: nil)
            let indexPath = self.tableView.indexPath(for: cell)!
            self.items.remove(at: indexPath.row)
            self.tableView.deleteRows(at: [indexPath], with: .none)
        } else {
            UIView.animate(withDuration: 0.2,
                           delay: 0,
                           options: .curveEaseOut,
                           animations: {
                            cell.overlay.layer.position.x = cell.layer.position.x
                            cell.updateTrashSize(10)
            }, completion: nil)
        }
    }
}

protocol DocumentSerializable {
    init?(dictionary:[String:Any])
}

// Child Struct
struct Child {

    var name: String
    var age: Int
    var timestamp: Date
    var imageURL: String

    var dictionary:[String:Any] {
        return [
            "name":name,
            "age":age,
            "timestamp":timestamp,
            "imageURL":imageURL
        ]
    }
}

//Child Extension
extension Child : DocumentSerializable {
    init?(dictionary: [String : Any]) {
        guard let  name = dictionary["name"] as? String,
            let age = dictionary["age"] as? Int,
            let  imageURL = dictionary["imageURL"] as? String,
            let timestamp = dictionary["timestamp"] as? Date else {
                return nil
        }
        self.init(name: name, age: age, timestamp: timestamp, imageURL: imageURL)
    }
}

//firestore connection
var db:Firestore!

//child array
var childArray = [Child]()

viewDidLoad

override func viewDidLoad() {
    super.viewDidLoad()

    //Connect to database
    db = Firestore.firestore()

    // call load data function
    loadData()
    checkForUpdates()

}

func loadData() {
        // create ref to generate a document ID
        let user = Auth.auth().currentUser
        db.collection("users").document((user?.uid)!).collection("children").getDocuments() {
            QuerySnapshot, error in
            if let error = error {
                print("\(error.localizedDescription)")
            } else {
                // get all children into an array
                self.childArray = QuerySnapshot!.documents.flatMap({Child(dictionary: $0.data())})
                DispatchQueue.main.async {
                    self.childrenTableView.reloadData()
                }
            }
        }
    }

func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return childArray.count
    }

 func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
       let cell = childrenTableView.dequeueReusableCell(withIdentifier: "Cell") as! ChildCellTableViewCell
        let child = childArray[indexPath.row]

        cell.childNameLabel.text = "\(child.name)"
        cell.childAgeLabel.text =  "Age: \(child.age)"

        let url = URL(string: "\(child.imageURL)")
        cell.childImage.kf.setImage(with: url)

        cell.childNameLabel.textColor = UIColor.white
        cell.childAgeLabel.textColor = UIColor.white
        cell.backgroundColor = UIColor.clear

        return cell
    }

 func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
        return true
    }

    func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
        if (editingStyle == UITableViewCellEditingStyle.delete) {

            childArray.remove(at: indexPath.row)
            tableView.deleteRows(at: [indexPath], with: .fade)

        }
    }

func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
        if (editingStyle == UITableViewCellEditingStyle.delete) {

            // 1. First Delete the childs image from storage
            let storage = Storage.storage()
            let childsImageURL = childArray[indexPath.row].imageURL
            let storageRef = storage.reference(forURL: childsImageURL)

            storageRef.delete { error in
                if let error = error {
                    print(error.localizedDescription)
                } else {
                    print("File deleted successfully")
                }
            }


            // 2. Now Delete the Child from the database
            let name = childArray[indexPath.row].name

            let user = Auth.auth().currentUser
            let query = db.collection("users").document((user?.uid)!).collection("children").whereField("name", isEqualTo: name)

            print(query)


            childArray.remove(at: indexPath.row)
            tableView.deleteRows(at: [indexPath], with: .fade)

        }
    }

func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {
        if (editingStyle == UITableViewCellEditingStyle.delete) {

            // 1. First Delete the childs image from storage
            let storage = Storage.storage()
            let childsImageURL = childArray[indexPath.row].imageURL
            let storageRef = storage.reference(forURL: childsImageURL)

            storageRef.delete { error in
                if let error = error {
                    print(error.localizedDescription)
                } else {
                    print("File deleted successfully")
                }
            }

            // 2. Now Delete the Child from the database
            let name = childArray[indexPath.row].name
            let user = Auth.auth().currentUser
            let collectionReference = db.collection("users").document((user?.uid)!).collection("children")
            let query : Query = collectionReference.whereField("name", isEqualTo: name)
            query.getDocuments(completion: { (snapshot, error) in
                if let error = error {
                    print(error.localizedDescription)
                } else {
                    for document in snapshot!.documents {
                        //print("\(document.documentID) => \(document.data())")
                        self.db.collection("users").document((user?.uid)!).collection("children").document("\(document.documentID)").delete()
                }
            }})

            // 3. Now remove from TableView
            childArray.remove(at: indexPath.row)
            tableView.deleteRows(at: [indexPath], with: .fade)

        }
    }

class ViewController: UIViewController {
  
  var request:UNNotificationRequest!

  @IBAction func setButton(_ sender: Any) {
    // 通知リクエストの登録
    let center = UNUserNotificationCenter.current()
    center.add(request)
  }
  
  override func viewDidLoad() {
    super.viewDidLoad()
    
    // 直接日時を設定
    let triggerDate = DateComponents(month:6, day:12, hour:16, minute:36, second: 00)
    let trigger = UNCalendarNotificationTrigger(dateMatching: triggerDate, repeats: false)
    
    // 通知コンテンツの作成
    let content = UNMutableNotificationContent()
    content.title = "カレンダー通知"
    content.body = "2021/6/12 16:04:00"
    content.sound = UNNotificationSound.default
    
    // 通知リクエストの作成
    request = UNNotificationRequest.init(
      identifier: "カレンダーCalendarNotification",
      content: content,
      trigger: trigger)
   
  }
}

struct Box {
    let width:Int
    let height:Int
    let size:String


    init(width:Int, height:Int){
        self.width = width
        self.height = height

        var sumSize = width+height

        switch (sumSize) {
        case 0...100:
            size = "S"
        case 101...200:
            size = "M"
        case 201...300:
            size = "L"
        default:
            size = "Free"
        }
    }
}

// Bozをインスタンス化(initメソッドを呼ぶ)
var newBox = Box(width: 100, height: 30)
println(newBox.size) // M

// 親のViewController型のインスタンスを作成
let VC = self.parent as! ViewController

func trimmingImage(_ image: UIImage, trimmingArea: CGRect) -> UIImage {
    let imgRef = image.cgImage?.cropping(to: trimmingArea)
    let trimImage = UIImage(cgImage: imgRef!, scale: image.scale, orientation: image.imageOrientation)
    return trimImage
}

import UIKit

class DateUtils {
    class func dateFromString(string: String, format: String) -> Date {
        let formatter: DateFormatter = DateFormatter()
        formatter.calendar = Calendar(identifier: .gregorian)
        formatter.dateFormat = format
        return formatter.date(from: string)!
    }

    class func stringFromDate(date: Date, format: String) -> String {
        let formatter: DateFormatter = DateFormatter()
        formatter.calendar = Calendar(identifier: .gregorian)
        formatter.dateFormat = format
        return formatter.string(from: date)
    }
}

// 元の日付の文字列
let dateString = "2015/03/04 12:34:56 +09:00"

// Dateに変換
let date = DateUtils.dateFromString(dateString, format: "yyyy/MM/dd HH:mm:ss Z")
print(date)
// => "2015-03-04 03:34:56 +0000\n"

// Stringに再変換
print(DateUtils.stringFromDate(date, format: "yyyy年MM月dd日 HH時mm分ss秒 Z"))
// => "2015年03月04日 12時34分56秒 +0900\n"

private func getCaptureResolution() -> CGSize {
    // Define default resolution
    var resolution=CGSize(width: 0, height: 0)

    // Get cur video device
    let curVideoDevice=useBackCamera ? backCameraDevice : frontCameraDevice

    // Set if video portrait orientation
    let portraitOrientation=orientation==.Portrait || orientation==.PortraitUpsideDown

    // Get video dimensions
    if let formatDescription=curVideoDevice?.activeFormat.formatDescription {
        let dimensions=CMVideoFormatDescriptionGetDimensions(formatDescription)
        resolution=CGSize(width: CGFloat(dimensions.width), height: CGFloat(dimensions.height))
        if portraitOrientation {
            resolution=CGSize(width: resolution.height, height: resolution.width)
        }
    }

    // Return resolution
    return resolution
}

extension Notification.Name {
    static let notifyName = Notification.Name("notifyName")
}

// 通知を送りたい箇所でこのように記述
NotificationCenter.default.post(name: .notifyName, object: nil)

override func viewDidLoad() {
    super.viewDidLoad()
    /// NotificationCenterを登録
    NotificationCenter.default.addObserver(self, selector: #selector(doSomething(notification:)), name: .notifyName, object: nil)
}

override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
    performSegue(withIdentifier: "showDetail", sender: nil)  
}

class MyDateFormatter {
    static let shared = MyDateFormatter()
    private let yyyyMMddDateFormatter: DateFormatter = {
        let dateFormatter = DateFormatter()
        dateFormatter.locale = Locale(identifier: "en_US_POSIX")
        dateFormatter.dateFormat = "yyyy/MM/dd"
        return dateFormatter
    }()

    private let HHmmDateFormatter: DateFormatter = {
        let dateFormatter = DateFormatter()
        dateFormatter.locale = Locale(identifier: "en_US_POSIX")
        dateFormatter.dateFormat = "HH:mm"
        return dateFormatter
    }()

    func formatToyyyyMMdd(from date: Date) -> String {
        return yyyyMMddDateFormatter.string(from: date)
    }

    func formatToHHmm(from date: Date) -> String {
        return HHmmDateFormatter.string(from: date)
    }
}

let dateString = MyDateFormatter.shared.formatToyyyyMMdd(from: date)

// UITextFieldを生成
let textField = UITextField()
textField.frame = CGRect(x: 10, y: 100, width: UIScreen.main.bounds.size.width-20, height: 38)
// プレースホルダを設定
textField.placeholder = "入力してください。"
// キーボードタイプを指定
textField.keyboardType = .default
// 枠線のスタイルを設定
textField.borderStyle = .roundedRect
// 改行ボタンの種類を設定
textField.returnKeyType = .done
// テキストを全消去するボタンを表示
textField.clearButtonMode = .always
// UITextFieldを追加
self.view.addSubview(textField)
// デリゲートを指定
textField.delegate = self

// 改行ボタンを押した時の処理
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
    print("Return")
    return true
}

// クリアボタンが押された時の処理
func textFieldShouldClear(_ textField: UITextField) -> Bool {
    print("Clear")
    return true
}

// テキストフィールドがフォーカスされた時の処理
func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
    print("Start")
    return true
}

// テキストフィールドでの編集が終了する直前での処理
func textFieldShouldEndEditing(_ textField: UITextField) -> Bool {
    print("End")
    return true
}

    //MARK:２つのViewControllerをDismiss（NotifiRegitViewContとResultViewContをDismiss。）
    self.presentingViewController?.presentingViewController?.dismiss(animated: true, completion: nil)

UIView.layer.borderColor = UIColor.greenColor().CGColor

UIView.layer.borderColor = UIColor(named: "MainTextColer")?.cgColor

button.layer.borderColor = UIColor.greenColor().CGColor

nextView.label1.text = textField1.text!

 override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "toSegueViewController" {
            let nextVC = segue.destination as! SegueViewController
            nextVC.text = "fromViewController"
        }

  override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
      super.prepare(for: segue, sender: nil)
      
      guard let questionVC = segue.destination as? QuestionViewCont else { return }
    questionVC.customBlurEffectStyle = .dark // 渡す値
  }

extension UserDefaults {
    // 保存したいUIImage, 保存するUserDefaults, Keyを取得
    func setUIImageToData(image: UIImage, forKey: String) {
        // UIImageをData型へ変換
//  pngData型に変換するとimageOrientationデータが欠損するためjpegDataに変換すること
//        let nsdata = image.pngData()
          let nsdata = image.jpegData(compressionQuality: 1.0)
        // UserDefaultsへ保存
        self.set(nsdata, forKey: forKey)
    }
    // 参照するUserDefaults, Keyを取得, UIImageを返す
    func image(forKey: String) -> UIImage {
        // UserDefaultsからKeyを基にData型を参照
        let data = self.data(forKey: forKey)
        // UIImage型へ変換
        let returnImage = UIImage(data: data!)
        // UIImageを返す
        return returnImage!
    }

}

class ViewController: UIViewController {

    @IBOutlet weak var imageView: UIImageView!

    // UserDefaultsの宣言
    let ud = UserDefaults.standard
    // 保存するUIImage
    var hogeImage: UIImage = UIImage(named: "spiderman.jpg")!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.

        // 保存するとき
        // UserDefaultsにsetする(保存するUIImage, 宣言したUserDefaults, Keyの文字列)
        ud.setUIImageToData(image: hogeImage, forKey: "image")


        // 参照するとき
        // UIImage型の変数に参照する(宣言したUserDefaults, Keyの文字列)
        hogeImage = ud.image(forKey: "image")
        // UIImageViewに表示
        imageView.image = hogeImage
    }
}

  // UIDatePickerのDoneを押したら発火
  @objc func notifiDone() {
    // テンプレートとロケールを組み合わでその国に沿った表示になります。
    formatter.dateFormat = DateFormatter.dateFormat(fromTemplate: "ydMMM", options: 0, locale: Locale(identifier: "ja_JP"))
    
    
    let today = Date() + 4.days
    
    let set1 = datePicker.date + 1.minutes
    
    print("today:",today)
    print("set1:",set1)
    
    let kekka = set1.day - today.day
    
    if set1.compare(today) != .orderedDescending {
      print("過去なので入力させない")
      return
    } else {
      // FireStoreのTimeStampも時間をゼロにするため一旦Stringにキャストして時間を00にしてからDate型に再変換している。
      notifidateTextFeild.text = "\(formatter.string(from: datePicker.date))"
      
      let kekkaInt = kekka
      
      print("kekkaInt:",kekkaInt)
      print("kekka:",kekka)
      
      toDateLabel.text = "\(kekkaInt)日後"
      
      let notifiDateString = "\(formatter.string(from: datePicker.date))"
      let notifiDateOnly = DateUtils.dateFromString(string: notifiDateString, format: "yyyy年MM月dd日")
      notifiDateData = notifiDateOnly
      
      notifidateTextFeild.endEditing(true)
      
    }
    
  }
    

public enum ComparisonResult : Int {

    //未来
    case orderedAscending
    //今
    case orderedSame
    //過去
    case orderedDescending
}

let past = Date(timeIntervalSinceNow: -100)

let now = Date()

let future = Date(timeIntervalSinceNow: 100)

if now.compare(future)  == .orderedAscending {
    print("今は未来より過去")
}

if now.compare(now) == .orderedSame {
    print("今と今は同じ時間")
}

if now.compare(past) == .orderedDescending {
    print("今は過去より未来")
}

 case .length(Lenght.minimum, let minimum as Int):
	return { (evidence: String) -> Bool in
		return evidence.count >= minimum
	}
			
 case .length(Lenght.maximum , let maximum as Int):
	return { (evidence: String) -> Bool in
		return evidence.count <= maximum
	}
			

    //MARK: CDAlertViewの定義
    let firstQuestion = CDAlertView(title: "ヘタ部分のやわらかさは？", message: "メッセージ本文\n２行目\n３行目。\n\n５行目\n６行目", type: .success)
    firstQuestion.hideAnimations = { (center, transform, alpha) in
                transform = .identity
                alpha = 0
            }

    //MARK: ボタン定義
//Yesボタン定義
    let yesAction1 = CDAlertViewAction(title: "はい! 💪") { CDAlertViewAction in
  
      secondQuestion.show()
      
     return true
    }
//Noボタン定義    
    let noAction1 = CDAlertViewAction(title: "いいえ。 😑") { CDAlertViewAction in
      
      secondQuestion.show()
      return true
    }

 

   firstQuestion.add(action: yesAction1)
    firstQuestion.add(action: noAction1)

// メッセージフォントの設定とAlert幅の設定
    firstQuestion.messageFont = UIFont.systemFont(ofSize: 17)
    firstQuestion.popupWidth = CGFloat(300)
    
    firstQuestion.show(){ (alert) in
  }

//MARK: 購入日決定purchaDateDone()
  @objc func purchaDateDone() {
    
    // テンプレートとロケールを組み合わでその国に沿った表示になります。
    formatter.dateFormat = DateFormatter.dateFormat(fromTemplate: "yMMMd", options: 0, locale: Locale(identifier: "ja_JP"))
    
    let purcharseDateString = "\(formatter.string(from: datePicker.date))"
    let purchDateOnly = DateUtils.dateFromString(string: purcharseDateString, format: "yyyy年MM月dd日")
    purchaDateData = purchDateOnly
    purchaseDateTextFeild.endEditing(true)

    let compareDate = datePicker.date + 1.minutes
    let daysBefore = compareDate.day - today.day
    purchaseDateTextFeild.text = "\(formatter.string(from: compareDate))"
    
    print("daysBefore日数差:",daysBefore)
    
    if daysBefore == 0 {
      purchaDateMessage.text = "今日"
      print("purchaDateMessage:",purchaDateMessage.text as Any)
    } else if daysBefore >= 1 {
      purchaDateMessage.text = "\(daysBefore)日後"
    } else if daysBefore < 0 {
      purchaDateMessage.text = "\(-daysBefore)日前"
    }

  }

// MARK:通知日決定purchaDateDone()
  @objc func notifiDateDone() {
    
    // テンプレートとロケールを組み合わでその国に沿った表示になります。
    formatter.dateFormat = DateFormatter.dateFormat(fromTemplate: "yMMMd", options: 0, locale: Locale(identifier: "ja_JP"))

    let compareDate = datePicker.date + 1.minutes
    let daysLater = compareDate.day - today.day
    
    let notifiDateString = "\(formatter.string(from: datePicker.date))"
    let notifiDateOnly = DateUtils.dateFromString(string: notifiDateString, format: "yyyy年MM月dd日")

    print("日数差:",daysLater)
    
    if daysLater < 0 {
      notifiDateMessage.text = "過去の日付は入れれません。"
      return
      
    } else if daysLater == 0 {
      notifiDateTextFeild.text = "\(formatter.string(from: compareDate))"
      notifiDateData = notifiDateOnly
      print("notifiDateMessage:",notifiDateMessage.text as Any)
      notifiDateTextFeild.endEditing(true)
      notifiDateMessage.text = "今日"
    } else if daysLater >= 1 {
      notifiDateTextFeild.text = "\(formatter.string(from: compareDate))"
      notifiDateData = notifiDateOnly
      notifiDateTextFeild.endEditing(true)
      notifiDateMessage.text = "\(daysLater)日後"
    }
  }

// escapingなし　-> 　NG: コンパイルエラー
func someAsyncMethod(completion: () -> Void) {
    DispatchQueue.main.async {
       completion()
    }
}

// escapingあり　->　OK
func someAsyncMethod(completion: @escaping () -> Void) {
    DispatchQueue.main.async {
       completion()
    }
}