CODEWITHSUNDEEP
swiftphotokit
Alexico
Alexico

Reputation: 33

swift5 how to only display limited photo library after user has granted limited access to select some photos

In WWDC2020, new PHPickerViewController and new PHPhotoLibrary.authorizationStatus(limited) were introduced. But I got below issue:

  1. when user tapped a button to show the apple's multiple images picker and display the requestAuthorization as code:

     let requiredAccessLevel: PHAccessLevel = .readWrite
 PHPhotoLibrary.requestAuthorization(for: requiredAccessLevel) { (authorizationStatus) in
       switch authorizationStatus {
       case .authorized:
           DispatchQueue.main.async {
               self.presentImagePicker()
            }
       case .limited:
           DispatchQueue.main.async {
               self.presentImagePicker()
            }
       default:
           break
       }
}

  2. self.presentImagePicker() functions:

     func presentImagePicker() {
 var configuration = PHPickerConfiguration(photoLibrary: .shared())
 configuration.filter = .images
 configuration.selectionLimit = self.imageCountMax - self.images.count
 let picker = PHPickerViewController(configuration: configuration)
 picker.delegate = self

 let accessLevel: PHAccessLevel = .readWrite
 let authorizationStatus = PHPhotoLibrary.authorizationStatus(for: accessLevel)

 switch authorizationStatus {
 case .authorized:
     DispatchQueue.main.async {

         self.present(picker, animated: true)
     }
 case .limited:
     DispatchQueue.main.async {
         // Here I don't know how to display only limited photo library to users (after user has selected some photos through the limited access)
     }
 default:
     break
 }

    }

my issue: please see code 2, case .limited: DispatchQueue.main.async { }, I think I should put the limited photo library in this block, but I don't know how to display only limited photo library to users.

Upvotes: 2

Views: 3071

Answers (1)

Tak Rahul
Tak Rahul

Reputation: 176

You can use this PHPhotoLibrary.shared().presentLimitedLibraryPicker(from: self) method into .limited

DispatchQueue.main.async {
         // Here I don't know how to display only limited photo library to users (after user has selected some photos through the limited access)
        PHPhotoLibrary.shared().register(self)
        PHPhotoLibrary.shared().presentLimitedLibraryPicker(from: self)
     }

and after that you have to use the delegate method for get the updated images.

func photoLibraryDidChange(_ changeInstance: PHChange) {
        let fetchOptions = PHFetchOptions()
        self.allPhotos = PHAsset.fetchAssets(with: .image, options: fetchOptions)
    }

Upvotes: 1

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