NvImagePicker Native reusable class for IOS Swift

NvImagePicker.swift

protocol NvImagePickerDelegate: class {
    func didSelect(image: UIImage)
}

class NvImagePicker: NSObject {
    static let shared = NvImagePicker()
    
    private var delegate: NvImagePickerDelegate?
    
    private struct alertPicker {
        static var title = "Title"
        static var message = "Please Select an Option"
        static var camera = "Camera"
        static var photo = "Photo Library"
        static var cancel = "Cancel"
    }
    
    
    
    
    func pickerActionSheet(allowsEditingPhotoLibrary: Bool = false,
                           allowsEditingCamera: Bool = false,
                           delegate: NvImagePickerDelegate) {
        
        
        self.delegate = delegate
    
        let alert = UIAlertController(title: alertPicker.message, message: nil, preferredStyle: .actionSheet)
        
        alert.addAction(UIAlertAction(title: alertPicker.photo, style: .default , handler:{ (UIAlertAction)in
            let vc = UIImagePickerController()
            vc.sourceType = .photoLibrary
            vc.allowsEditing = allowsEditingPhotoLibrary
            vc.delegate = self
            vc.modalPresentationStyle = .fullScreen
            let controller = UIApplication.shared.keyWindow?.rootViewController
            controller?.present(vc, animated: true)
        }))
        
        
        alert.addAction(UIAlertAction(title: alertPicker.camera , style: .default , handler:{ (UIAlertAction)in
            
            let vc = UIImagePickerController()
            vc.sourceType = .camera
            vc.isEditing = allowsEditingCamera
            vc.delegate = self
            let controller = UIApplication.shared.keyWindow?.rootViewController
            controller?.present(vc, animated: true)
            
        }))
        
        alert.addAction(UIAlertAction(title: alertPicker.cancel , style: .cancel , handler:{ (UIAlertAction)in
            
            print("Cancel")
            
        }))
        
        let controller = UIApplication.shared.keyWindow?.rootViewController
        controller?.present(alert, animated: true)
    }
 

}







extension NvImagePicker: UIImagePickerControllerDelegate, UINavigationControllerDelegate {
    
    internal func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
        //        picker.dismiss(animated: true)
        
        if let image = info[.originalImage] as? UIImage  {
            
            print(image.size)
            self.delegate?.didSelect(image: image)
            picker.dismiss(animated: true)
            
        }
       
        if let image = info[.editedImage] as? UIImage {
             print(image.size)
            self.delegate?.didSelect(image: image)
            picker.dismiss(animated: true)
        }
        
    }
    
    
    
}

Usage Example

`import UIKit
class ViewController: UIViewController {

@IBOutlet weak var imageView: UIImageView!

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

@IBAction func buttonTapped (sender: UIButton) {
    let picker = NvImagePicker.shared
    picker.pickerActionSheet(allowsEditingPhotoLibrary: true,delegate: self)
    
}

} `

extension ViewController: NvImagePickerDelegate { func didSelect(image: UIImage) { self.imageView.image = image } }