小賢的部落格

1.請求權限

PHPhotoLibrary.requestAuthorization

2.需要的資料型態

PHAsset.fetchAssetsWithMediaType

3.取得全部圖片

enumerateObjectsUsingBlock

Code:

        PHPhotoLibrary.requestAuthorization { [weak self] (status) in

            // UI Thread

            dispatch_async(dispatch_get_main_queue(), {

                let images = PHAsset.fetchAssetsWithMediaType(.Image, options: nil)

                images.enumerateObjectsUsingBlock({  (obj, index, stop) in

                    guard let weakSelf = self else {

                        return

                    }

                    let item = ArrayCollectionViewCellViewModel()

                    item.assets = obj as? PHAsset

                    weakSelf.cellViewModel.append(item)

                })

            })

        }

參考資料：

https://github.com/shinobicontrols/iOS8-day-by-day

http://stackoverflow.com/questions/26065774/which-phassetcollection-to-use-for-saving-an-image

https://developer.apple.com/library/ios/documentation/Photos/Reference/PHPhotoLibraryChangeObserver_Protocol/

http://objccn.io/issue-21-4/