我试图从图库获取照片。它可以工作,但我只从图库中获得了9张照片中的3张照片。这是我的代码:
let options = PHFetchOptions()
let userAlbums = PHAssetCollection.fetchAssetCollections(with: PHAssetCollectionType.album, subtype: PHAssetCollectionSubtype.any, options: options)
let userPhotos = PHAsset.fetchKeyAssets(in: userAlbums.firstObject!, options: nil)
let imageManager = PHCachingImageManager()
userPhotos?.enumerateObjects({ (object: AnyObject!, count: Int, stop: UnsafeMutablePointer) in
if object is PHAsset {
let obj:PHAsset = object as! PHAsset
let fetchOptions = PHFetchOptions()
fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
fetchOptions.predicate = NSPredicate(format: "mediaType = %d", PHAssetMediaType.image.rawValue)
let options = PHImageRequestOptions()
options.deliveryMode = .fastFormat
options.isSynchronous = true
imageManager.requestImage(for: obj, targetSize: CGSize(width: obj.pixelWidth, height: obj.pixelHeight), contentMode: .aspectFill, options: options, resultHandler: { img, info in
self.images.append(img!)
})
}
})
当我尝试 images.count
时,它显示为3。有人能帮我找到错误并获取所有照片吗?非常感谢!