How to fetch all images from custom Photo Album – Swift

For Swift 4

using this answer https://stackoverflow.com/a/28904792/4795651 edited a little for myself.

import Photos


func fetchCustomAlbumPhotos()
{
    let albumName = "Album Name Here"
    var assetCollection = PHAssetCollection()
    var albumFound = Bool()
    var photoAssets = PHFetchResult<AnyObject>()
    let fetchOptions = PHFetchOptions()

    fetchOptions.predicate = NSPredicate(format: "title = %@", albumName)
    let collection:PHFetchResult = PHAssetCollection.fetchAssetCollections(with: .album, subtype: .any, options: fetchOptions)

    if let firstObject = collection.firstObject{
        //found the album
        assetCollection = firstObject
        albumFound = true
    }
    else { albumFound = false }
    _ = collection.count
    photoAssets = PHAsset.fetchAssets(in: assetCollection, options: nil) as! PHFetchResult<AnyObject>
    let imageManager = PHCachingImageManager()
    photoAssets.enumerateObjects{(object: AnyObject!,
        count: Int,
        stop: UnsafeMutablePointer<ObjCBool>) in

        if object is PHAsset{
            let asset = object as! PHAsset
            print("Inside  If object is PHAsset, This is number 1")

            let imageSize = CGSize(width: asset.pixelWidth,
                                   height: asset.pixelHeight)

            /* For faster performance, and maybe degraded image */
            let options = PHImageRequestOptions()
            options.deliveryMode = .fastFormat
            options.isSynchronous = true

            imageManager.requestImage(for: asset,
                                              targetSize: imageSize,
                                              contentMode: .aspectFill,
                                              options: options,
                                              resultHandler: {
                                                (image, info) -> Void in
                                                self.photo = image!
                                                /* The image is now available to us */
                                                self.addImgToArray(uploadImage: self.photo!)
                                                print("enum for image, This is number 2")

            })

        }
    }
}

func addImgToArray(uploadImage:UIImage)
{
    self.images.append(uploadImage)

}

For Swift 2.1

import Photos


func FetchCustomAlbumPhotos()
{
    var albumName = "SwiftAlbum"
    var assetCollection = PHAssetCollection()
    var albumFound = Bool()
    var photoAssets = PHFetchResult()

    let fetchOptions = PHFetchOptions()
    fetchOptions.predicate = NSPredicate(format: "title = %@", albumName)
    let collection:PHFetchResult = PHAssetCollection.fetchAssetCollectionsWithType(.Album, subtype: .Any, options: fetchOptions)

    if let first_Obj:AnyObject = collection.firstObject{
        //found the album
        assetCollection = collection.firstObject as! PHAssetCollection
        albumFound = true
    }
    else { albumFound = false }
    var i = collection.count
    photoAssets = PHAsset.fetchAssetsInAssetCollection(assetCollection, options: nil)
    let imageManager = PHCachingImageManager()

    //        let imageManager = PHImageManager.defaultManager()

    photoAssets.enumerateObjectsUsingBlock{(object: AnyObject!,
        count: Int,
        stop: UnsafeMutablePointer<ObjCBool>) in

        if object is PHAsset{
            let asset = object as! PHAsset
            print("Inside  If object is PHAsset, This is number 1")

            let imageSize = CGSize(width: asset.pixelWidth,
                height: asset.pixelHeight)

            /* For faster performance, and maybe degraded image */
            let options = PHImageRequestOptions()
            options.deliveryMode = .FastFormat
            options.synchronous = true

            imageManager.requestImageForAsset(asset,
                targetSize: imageSize,
                contentMode: .AspectFill,
                options: options,
                resultHandler: {
                    (image, info) -> Void in
                    self.photo = image!
                    /* The image is now available to us */
                    self.addImgToArray(self.photo)
                    print("enum for image, This is number 2")

            })

        }
    }
}

func addImgToArray(uploadImage:UIImage)
{
    self.images.append(uploadImage)

}

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