I am relatively new to IOS Development and I have implemented iCarousel in one of my ViewControllers. I am passing some data through a String array, and when I click a button on the carouselView, it should open up the photo library. Once I select an image from the photo library, I want to remove the value from the array and remove that instance of the iCarousel card.
I have looked around and have only found code in obj-c but I am using Swift.
I attached a picture of the iCarousel. When I click on the camera button, it will take me to the photo library, but once I select the photo, I want that instance of the carousel card removed. ViewControllerImage
here is the code I am using for the iCarousel currently in the ViewController
class ChallengesViewController: UIViewController, TabItem, iCarouselDelegate, iCarouselDataSource {
var tabImage: UIImage?
var image:UIImage? = imageLiteral(resourceName: "camera")
var masterchallengeList = [String]()
var masterSubtitles = [String]()
var weeklySelect = [String]()
var weeklySubtitleSelect = [String]()
enum StorageType {
case userDefaults
case fileSystem
}
@IBOutlet weak var carouselView: iCarousel!
override func awakeFromNib() {
masterchallengeList = [“A “, “B”, “C”, “D”, “E”, F”, “G”]
masterSubtitles = [“A “, “B”, “C”, “D”, “E”, F”, “G”]
weeklySelect = ["","","","","","",""]
weeklySubtitleSelect = ["","","","","","",""]
for n in 0...(weeklySelect.count - 1){
weeklySelect[n] = masterchallengeList[n]
}
for n in 0...(weeklySubtitleSelect.count - 1){
weeklySubtitleSelect[n] = masterSubtitles[n]
}
}
@objc func didTapCameraImage() {
presentPhotoActionSheet()
}
override func viewDidLoad() {
super.viewDidLoad()
carouselView.type = .coverFlow
navigationController?.navigationBar.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
navigationItem.titleView?.tintColor = UIColor.init(red: 3, green: 25, blue: 82, alpha: 1.0)
navigationController?.navigationBar.prefersLargeTitles = true
navigationItem.title = "Challenges"
}
func numberOfItems(in carousel: iCarousel) -> Int {
return weeklySelect.count
}
func carousel(_ carousel: iCarousel, viewForItemAt index: Int, reusing view: UIView?) -> UIView {
let tempView = UIView(frame: CGRect(x: 0, y: 0, width: 250, height: 350))
let lightBlue = UIColor.init(red: 94, green: 122, blue: 255, alpha: 1.0)
tempView.clipsToBounds = true
tempView.translatesAutoresizingMaskIntoConstraints = true
tempView.layer.cornerRadius = 25.0
let actionLabel = UILabel(frame: CGRect(x: 20, y: 0, width: 200, height: 150))
actionLabel.numberOfLines = 0
actionLabel.font = actionLabel.font.withSize(25.0)
actionLabel.textColor = UIColor.white
actionLabel.text = weeklySelect[index]
tempView.addSubview(actionLabel)
let subtitleLabel = UILabel(frame: CGRect(x: 20, y: -30, width: 200, height: 150))
subtitleLabel.center.y = tempView.center.y
subtitleLabel.numberOfLines = 0
subtitleLabel.font = actionLabel.font.withSize(14)
subtitleLabel.textColor = UIColor.white
subtitleLabel.text = weeklySubtitleSelect[index]
tempView.addSubview(subtitleLabel)
let photoButton = UIButton(frame: CGRect(x: 0, y: 0, width: 30, height: 30))
photoButton.center.x = tempView.center.x
photoButton.center.y = tempView.center.y + 92.5
photoButton.setImage(image, for: .normal)
photoButton.setImage( imageLiteral(resourceName: "camera"), for: .normal)
let gesture = UITapGestureRecognizer(target: self,
action:#selector(didTapProfilePic))
photoButton.addGestureRecognizer(gesture)
tempView.addSubview(photoButton)
return tempView
}
func carousel(_ carousel: iCarousel, valueFor option: iCarouselOption, withDefault value: CGFloat) -> CGFloat {
if option == iCarouselOption.spacing{
return value * 2
}
return value
}
}
extension ChallengesViewController: UIImagePickerControllerDelegate, UINavigationControllerDelegate{
func presentPhotoActionSheet() {
let actionSheet = UIAlertController(title: "Profile Picture", message: "How would you like to select a profile picture", preferredStyle: .actionSheet)
actionSheet.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: nil))
actionSheet.addAction(UIAlertAction(title: "Take Photo", style: .default, handler: { [weak self] _ in
self?.presentCamera()
}))
actionSheet.addAction(UIAlertAction(title: "Choose Photo", style: .default, handler: { [weak self] _ in
self?.presentPhotoPicker()
}))
present(actionSheet, animated: true)
}
func presentCamera() {
let vc = UIImagePickerController()
vc.sourceType = .camera
vc.delegate = self
vc.allowsEditing = true
present(vc, animated: true)
}
func presentPhotoPicker(){
let vc = UIImagePickerController()
vc.sourceType = .photoLibrary
vc.delegate = self
vc.allowsEditing = true
present(vc, animated: true)
}
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
picker.dismiss(animated: true, completion: nil)
guard let selectedImage = info[UIImagePickerController.InfoKey.editedImage] as? UIImage else{
return}
image = selectedImage
}
func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
picker.dismiss(animated: true, completion: nil)
}
override func present(_ viewControllerToPresent: UIViewController,
animated flag: Bool,
completion: (() -> Void)? = nil) {
viewControllerToPresent.modalPresentationStyle = .fullScreen
super.present(viewControllerToPresent, animated: flag, completion: completion)
}
@objc func dismissAlert(){
customAlert.dismissAlert() }
}
If you want to just hide it iCarousel
carouselView.isHidden = true
But, if you want to remove it from its superView you must do it
carouselView.removeFromSuperView()
this line remove the carouselView from it's superView so in this case its self.view
Maybe you do not want to use carouselView after the removing from superView.
In this case you can go with;
carouselView = nil
so use
carouselView.removeFromSuperView()
carouselView = nil
weeklySelect.remove(at: selectedRowIndex)