iosdevie

let pdfDocument = PDFDocument()
for i in 0 ..< scan.pageCount {
   if let image = scan.imageOfPage(at: i).resize(toWidth: 250){
      let pdfPage = PDFPage(image: image)
      pdfDocument.insert(pdfPage!, at: i)        
   }
}

iosdevie

func collectionView(_ collectionView: UICollectionView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
        
        let id = configuration.identifier as! String
        
        animator.addCompletion {
            self.show(SecondViewController(index: Int(id)), sender: self)
        }
}

iosdevie

func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
let configuration = UIContextMenuConfiguration(identifier: "\(indexPath.row)" as NSCopying, previewProvider: {
            return SecondViewController(index: indexPath.row)
        }){ action in
//add your uimenu as earlier
}
}

iosdevie

func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
        
        let configuration = UIContextMenuConfiguration(identifier: nil, previewProvider: nil){ action in
            let viewMenu = UIAction(title: "View", image: UIImage(systemName: "eye.fill"), identifier: UIAction.Identifier(rawValue: "view")) {_ in
                print("button clicked..")
            }
            let rotate = UIAction(title: "Rotate", image: UIImage(systemName: "arrow.counterclockwise"), identifier: nil, state: .on, handler: {action in
                print("rotate clicked.")
            })
            let delete = UIAction(title: "Delete", image: UIImage(systemName: "trash.fill"), identifier: nil, discoverabilityTitle: nil, attributes: .destructive, state: .on, handler: {action in

iosdevie

let config = UIImage.SymbolConfiguration(textStyle: .largeTitle)
UIImage(systemName: "paperplane", withConfiguration : config)

iosdevie

let fileManager = FileManager.default
let documentDirectory = try fileManager.url(for: .documentDirectory, in: .userDomainMask, appropriateFor:nil, create:true)
let modelURL = documentDirectory.appendingPathComponent("CatDog.mlmodelc")

iosdevie

private func batchProvider() -> MLArrayBatchProvider
    {
var batchInputs: [MLFeatureProvider] = []
        let imageOptions: [MLFeatureValue.ImageOption: Any] = [
          .cropAndScale: VNImageCropAndScaleOption.scaleFill.rawValue
        ]
        for (image,label) in imageLabelDictionary {
            
            do{
                let featureValue = try MLFeatureValue(cgImage: image.cgImage!, constraint: imageConstraint, options: imageOptions)

iosdevie

func predict(image: UIImage) -> Animal? {
        let imageConstraint = model.modelDescription.inputDescriptionsByName["image"]!.imageConstraint! 
    
        do{
            
            let imageOptions: [MLFeatureValue.ImageOption: Any] = [
                .cropAndScale: VNImageCropAndScaleOption.scaleFill.rawValue
            ]
            
            let featureValue = try MLFeatureValue(cgImage: image.cgImage!, constraint: imageConstraint, options: imageOptions)

iosdevie

private func loadModel(url: URL) -> MLModel? {
      do {
        let config = MLModelConfiguration()
        config.computeUnits = .all
        return try MLModel(contentsOf: url, configuration: config)
      } catch {
        print("Error loading model: \(error)")
        return nil
      }
}

iosdevie

let updateTask = try MLUpdateTask(forModelAt: updatableModelURL, trainingData: trainingData, configuration: model.configuration, completionHandler: { context in 
} 
updateTask.resume()