Swift fetch images and videos from camera roll

Question

I am using "PHAsset" for fetching camera roll assets. I am using

PHAsset.fetchAssetsWithMediaType(.Image, options: options)

for fetching all gallery images. But I want to fetch all Images and Videos at a same time and show in a collection view (like Instagram camera view).

Can any one please tell me how can I do it?

score 15 · Answer 1 · answered Dec 10 '17 at 07:14

Actual Solution (swift 4 and probably swift 3): In your viewDidLoad or where ever is right for your case call checkAuthorizationForPhotoLibraryAndGet()

    private func getPhotosAndVideos(){

        let fetchOptions = PHFetchOptions()
        fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate",ascending: false)]
        fetchOptions.predicate = NSPredicate(format: "mediaType = %d || mediaType = %d", PHAssetMediaType.image.rawValue, PHAssetMediaType.video.rawValue)
        let imagesAndVideos = PHAsset.fetchAssets(with: fetchOptions)
        print(imagesAndVideos.count)
    }

    private func checkAuthorizationForPhotoLibraryAndGet(){
        let status = PHPhotoLibrary.authorizationStatus()

        if (status == PHAuthorizationStatus.authorized) {
            // Access has been granted.
            getPhotosAndVideos()
        }else {
            PHPhotoLibrary.requestAuthorization({ (newStatus) in

                if (newStatus == PHAuthorizationStatus.authorized) {
                        self.getPhotosAndVideos()
                }else {

                }
            })
        }
    }

1) Make sure mediaType = %d is used instead of mediaType == %d

2) Make sure you actually have authorization and can access the photo library, otherwise it would fail silently.

1) Make sure mediaType = %d is used instead of mediaType == %d what is the meaning of this iline. — Rakesh Mandloi, Apr 16 '19 at 04:50

score 5 · Answer 2 · answered Apr 12 '17 at 16:43

Fell free to use NSPredicate.

let fetchOptions = PHFetchOptions()
fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", 
                                                 ascending: false)]
fetchOptions.predicate = NSPredicate(format: "mediaType == %d || mediaType == %d", 
                                     PHAssetMediaType.image.rawValue,
                                     PHAssetMediaType.video.rawValue)
fetchOptions.fetchLimit = 100

let imagesAndVideos = PHAsset.fetchAssets(with: fetchOptions)

Thanks, can I know how to play that video if I click on UICollectionViewCell? — Neeraj Joshi, Apr 24 '18 at 11:27

score 4 · Answer 3 · answered Jul 06 '16 at 20:40

This might work for you:

let allMedia = PHAsset.fetchAssetsWithOptions(fetchOptions)
let allPhotos = PHAsset.fetchAssetsWithMediaType(.Image, options: fetchOptions)
let allVideo = PHAsset.fetchAssetsWithMediaType(.Video, options: fetchOptions)
print("Found \(allMedia.count) media")
print("Found \(allPhotos.count) images")
print("Found \(allVideo.count) videos")

The Media types are defined as:

public enum PHAssetMediaType : Int {

    case Unknown
    case Image
    case Video
    case Audio
}

Because it's not an OptionSetType you can't use it like a bitfield and combine them for PHAsset.fetchAssetsWithMediaType, but the PHAsset.fetchAssetsWithOptions might work for you. Just be prepared to filter out Audio types from the result set.

Swift fetch images and videos from camera roll

3 Answers3