自作アプリを作ってみた　-アプリ名：hanagasaki-　video

はじめに

自作アプリを作りましたので、画面毎の機能とコードを説明したいと思います。
今回、video 画面の機能とコードを説明が記載されています。

使用環境

●　OS：macOS Big Sur 11.3.1
●　Xcode：12.5
●　Swift：5.4
●　DB Browser for SQLite：3.12.1

コード

//  VideoViewController.swift
import UIKit

class VideoViewController: BaseViewController {
   @IBOutlet weak var videoCollectionView: UICollectionView!
   
   var modelArray = [modelVideo]()
   
   var vc = VideoEntryViewController()
   
   let cell = VideoCell()
   
   override func viewDidLoad() {
       super.viewDidLoad()
       videoCollectionView.delegate = self
       videoCollectionView.dataSource = self
       addCustomCell()
       layoutCollectionView()
       addHeaderBar("Video",
                    UIBarButtonItem(image: #imageLiteral(resourceName: "bars_24"), style: .done, target: self, action: #selector(tapHambugerMenu)),
                    UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(tapAddVideo)))
   }
   
   override func viewWillAppear(_ animated: Bool) {
       modelArray = ModelManager.getInstance().getAllVideo()
       videoCollectionView.reloadData()
   }
   
   func addCustomCell() {
       let customCell = UINib(nibName: "VideoCell", bundle: nil)
       videoCollectionView.register(customCell, forCellWithReuseIdentifier: "VideoCell")
   }
   
   func layoutCollectionView() {
       let layout = UICollectionViewFlowLayout()
       layout.sectionInset = UIEdgeInsets(top: 15, left: 15, bottom: 15, right: 15)
       layout.itemSize = CGSize(width: 300, height: 300)
       videoCollectionView.collectionViewLayout = layout
   }
   
}

extension VideoViewController: UICollectionViewDelegate,UICollectionViewDataSource {
   func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
       return modelArray.count
   }
   
   func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
       let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "VideoCell", for: indexPath) as! VideoCell
       cell.number.text = modelArray[indexPath.row].videoTitle
       
       let base64String = modelArray[indexPath.row].image!
       let imageData = NSData(base64Encoded: base64String, options: .ignoreUnknownCharacters)
       if imageData == imageData {
           let image = UIImage(data: imageData! as Data)
       cell.imageVideo.image = image
       }
       
       return cell
   }
   
   func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
       let horizontalSpace : CGFloat = 20
       let cellSize : CGFloat = self.view.bounds.width / 3 - horizontalSpace
       return CGSize(width: cellSize, height: cellSize)
   }
   
   func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
       let url = URL(string: modelArray[indexPath.row].url!)
       if UIApplication.shared.canOpenURL(url!) {
           UIApplication.shared.open(url!)
       }
   }
}

//  VideoEntryViewController.swift
import UIKit

class VideoEntryViewController: BaseViewController, UITextFieldDelegate {

   @IBOutlet weak var selectImageBtn: UIButton! {
       didSet {
           selectImageBtn.layer.cornerRadius = 75
       }
   }
   
   @IBOutlet weak var titleLabel: UILabel!
   @IBOutlet weak var urlLabel: UILabel!
   
   @IBOutlet weak var titleTextField: UITextField! {
       didSet {
           titleTextField.backgroundColor = .systemFill
           titleTextField.placeholder = "Add title ."
       }
   }
   @IBOutlet weak var urlTextField: UITextField! {
       didSet {
           urlTextField.backgroundColor = .systemFill
           urlTextField.placeholder = "Add url ."
       }
   }
   
   @IBOutlet weak var entryButton: UIButton! {
       didSet {
           entryButton.layer.cornerRadius = 10
       }
   }
   
   override func viewDidLoad() {
       super.viewDidLoad()
       addHeaderBar("VideoEntry", nil, nil)
       tapEnable()
   }
   
   override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
           self.view.endEditing(true)
   }
   
   @IBAction func tapUploadImage(_ sender: UIButton) {
       /*if isEdit == true {
                  updateImageData()
              }*/
              print("tappedProfileImageButton")
              let imagePickerController = UIImagePickerController()
              imagePickerController.delegate = self
              imagePickerController.allowsEditing = true
              
              self.present(imagePickerController, animated: true, completion: nil)
   }
   
   func tapEnable() {
       entryButton.isEnabled = false
       entryButton.backgroundColor = .black.withAlphaComponent(0.15)
   }
   
   @IBAction func TextFieldActionBtnInactive(_ sender: Any) {
       if titleTextField.text == "" {
           entryButton.isEnabled = false
           entryButton.backgroundColor = .black.withAlphaComponent(0.15)
       }
       else if urlTextField.text == "" {
           entryButton.isEnabled = false
           entryButton.backgroundColor = .black.withAlphaComponent(0.15)
       } else {
           entryButton.isEnabled = true
           entryButton.backgroundColor = UIColor(hex: 0xFF19FDD3)
       }
   }
   
   @IBAction func TextFieldActionBtnInactive1(_ sender: Any) {
       if urlTextField.text == "" {
           entryButton.isEnabled = false
           entryButton.backgroundColor = .black.withAlphaComponent(0.15)
       } else if titleTextField.text == "" {
           entryButton.isEnabled = false
           entryButton.backgroundColor = .black.withAlphaComponent(0.15)
       } else {
           entryButton.isEnabled = true
           entryButton.backgroundColor = UIColor(hex: 0xFF19FDD3)
       }
   }
   
   @IBAction func videoEntry(_ sender: UIButton) {
       
       //TODO: base64に変化
       //let base64 =
       //let decode =
       
       let selectVideoImage = (selectImageBtn.imageView?.image!.pngData()!)! as NSData
              let base64String = selectVideoImage.base64EncodedString(options: .lineLength64Characters)
              print(base64String)
       
       let video = modelVideo(id: "", videoTitle: titleTextField.text, image: base64String, url: urlTextField.text)
       let isSave = ModelManager.getInstance().SaveVideo(video: video)
       
       dismiss(animated: true, completion: nil)
       
       print("isSave : -\(isSave)")
   }
}

extension VideoEntryViewController: UIImagePickerControllerDelegate, UINavigationControllerDelegate {
  func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
      if let editingImage = info[.editedImage] as? UIImage {
       selectImageBtn.setImage(editingImage.withRenderingMode(.alwaysOriginal), for: .normal) } else if let originalImage = info[.originalImage] as? UIImage {
           selectImageBtn.setImage(originalImage.withRenderingMode(.alwaysOriginal), for: .normal)
      }
      
   selectImageBtn.setTitle("", for: .normal)
   selectImageBtn.imageView?.contentMode = .scaleAspectFill
   selectImageBtn.contentHorizontalAlignment = .fill
   selectImageBtn.contentVerticalAlignment = .fill
   selectImageBtn.clipsToBounds = true
      
      dismiss(animated: true, completion: nil)
      
  }
}

//  VideoCell.swift
import UIKit

class VideoCell: UICollectionViewCell {
   @IBOutlet weak var number: UILabel!
   @IBOutlet weak var imageVideo: UIImageView! {
       didSet {
           imageVideo.layer.cornerRadius = 150
       }
   }
   
}

おわりに

最後まで読んで下さりありがとうございます。
次回は、qiita画面の記事を投稿したいと思います。
この記事が何かの実装に参考になれば幸いです。

参考文献