private void FeetchAddPhotos()
        {
            PHPhotoLibrary.RequestAuthorization(status => {
                if (status != PHAuthorizationStatus.Authorized)
                {
                    return;
                }

                var galleryTemp = new List <PHAssetCollection>();

                var allAlbums   = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.Album, PHAssetCollectionSubtype.Any, null).Cast <PHAssetCollection>();
                var smartAlbums = PHAssetCollection.FetchAssetCollections(PHAssetCollectionType.SmartAlbum, PHAssetCollectionSubtype.SmartAlbumUserLibrary, null).Cast <PHAssetCollection>();

                galleryTemp.AddRange(allAlbums);
                galleryTemp.AddRange(smartAlbums);

                var gallerySort = galleryTemp.OrderBy(obj => obj.LocalizedTitle);

                NSOperationQueue.MainQueue.AddOperation(() => {
                    foreach (var itemRaw in gallerySort)
                    {
                        var sortOptions             = new PHFetchOptions();
                        sortOptions.SortDescriptors = new NSSortDescriptor[] { new NSSortDescriptor("creationDate", false) };

                        var items = PHAsset.FetchAssets(itemRaw, sortOptions).Cast <PHAsset>().ToList();

                        if (items.Count > 0)
                        {
                            var colec = new GalleryNative()
                            {
                                Collection = itemRaw,
                            };
                            colec.Images.Add(new PhotoSetNative());

                            foreach (var item in items)
                            {
                                var newPhoto = new PhotoSetNative();
                                newPhoto.galleryImageXF.OriginalPath = item.LocalIdentifier;
                                newPhoto.Image = item;
                                colec.Images.Add(newPhoto);
                            }
                            galleryDirectories.Add(colec);
                        }
                    }

                    tableView.ReloadData();

                    if (galleryDirectories.Count > 0)
                    {
                        CurrentParent = 0;
                        IF_ItemSelectd(CurrentParent);
                    }
                });
            });
        }
Exemple #2
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        public void BindDataToCell(GalleryNative galleryDirectory, Action action)
        {
            var count = galleryDirectory.Images.Count;

            txtTitle.Text       = galleryDirectory.Collection.LocalizedTitle;
            txtDescription.Text = "(" + count + ")";

            imageView.ClipsToBounds = true;
            imageView.ContentMode   = UIViewContentMode.ScaleAspectFill;

            try
            {
                var sortOptions = new PHFetchOptions();
                sortOptions.SortDescriptors = new NSSortDescriptor[] { new NSSortDescriptor("creationDate", false) };
                var items = PHAsset.FetchAssets(galleryDirectory.Collection, sortOptions).Cast <PHAsset>().ToList();

                var options = new PHImageRequestOptions
                {
                    Synchronous = true
                };
                PHImageManager.DefaultManager.RequestImageForAsset(items[0], imageView.Bounds.Size, PHImageContentMode.AspectFit, options, (requestedImage, _) => {
                    imageView.Image = requestedImage;
                });
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.StackTrace);
            }

            if (ActionClick == null)
            {
                ActionClick             = action;
                bttClick.TouchUpInside += (sender, e) =>
                {
                    ActionClick();
                };
            }
        }