PHAssetCollection+Extension

////  PHAssetCollection+Extension.swift//  Photo////  CSDN:http://blog.csdn.net/y550918116j//  GitHub:https://github.com/937447974/Blog////  Created by yangjun on 15/12/26.//  Copyright © 2015年 阳君. All rights reserved.//import UIKitimport Photos/// PHAssetCollection扩展public extension PHAssetCollection {    // MARK: - 获取PHAsset集合    /// 获取PHAsset集合    ///    /// - parameter options : PHFetchOptions?    ///    /// - returns: [PHAsset]    func fetchAssetsWithOptions(options: PHFetchOptions?) -> [PHAsset] {        var assets = [PHAsset]()        let fetchResult = PHAsset.fetchAssetsInAssetCollection(self, options: options)        fetchResult.enumerateObjectsUsingBlock { (obj: AnyObject, index: Int, umPointer: UnsafeMutablePointer<ObjCBool>) -> Void in            if let asset = obj as? PHAsset {                assets.append(asset)            }        }        return assets    }    // MARK: 存储照片    /// 存储照片    ///    /// - parameter image: 图片    ///    /// - returns: void    func creationAssetFromImage(image: UIImage, completionHandler: PHPhotoLibraryCompletionHandlerBlock = PHPhotoLibraryCompletionHandler) {        let changeBlock: dispatch_block_t = {            let assetChangeRequest = PHAssetChangeRequest.creationRequestForAssetFromImage(image)            guard let placeholderForCreatedAsset = assetChangeRequest.placeholderForCreatedAsset else {                // 照片生成出错                print("PHAssetCollection \(__FUNCTION__)")                return            }            guard let aCChangeRequest = PHAssetCollectionChangeRequest(forAssetCollection: self) else {                print("PHAssetCollection \(__FUNCTION__)")                return            }            // 保存照片            aCChangeRequest.addAssets([placeholderForCreatedAsset])        }        PHPhotoLibrary.sharedPhotoLibrary().performChanges(changeBlock, completionHandler: completionHandler)    }    // MARK: - 创建相薄    /// 创建相薄    ///    /// - parameter title: 相薄名    ///    /// - returns: void    class func creationWithTitle(title: String, completionHandler: PHPhotoLibraryCompletionHandlerBlock = PHPhotoLibraryCompletionHandler) {        let changeBlock: dispatch_block_t = {            PHAssetCollectionChangeRequest.creationRequestForAssetCollectionWithTitle(title)        }        PHPhotoLibrary.sharedPhotoLibrary().performChanges(changeBlock, completionHandler: completionHandler)    }    // MARK: 修改专辑名    /// 修改相薄名    ///    /// - parameter title: 相薄名    ///    /// - returns: void    func renameLocalizedTitle(title: String, completionHandler: PHPhotoLibraryCompletionHandlerBlock = PHPhotoLibraryCompletionHandler) {        let changeBlock: dispatch_block_t = {            let aCChangeRequest = PHAssetCollectionChangeRequest(forAssetCollection: self)            aCChangeRequest?.title = title        }        PHPhotoLibrary.sharedPhotoLibrary().performChanges(changeBlock, completionHandler: completionHandler)    }    // MARK: 删除PHAssetCollection    /// 删除专辑    ///    /// - returns: void    func deletes(completionHandler: PHPhotoLibraryCompletionHandlerBlock = PHPhotoLibraryCompletionHandler) {        let changeBlock: dispatch_block_t = {            PHAssetCollectionChangeRequest.deleteAssetCollections([self])        }        PHPhotoLibrary.sharedPhotoLibrary().performChanges(changeBlock, completionHandler: completionHandler)    }}

 

---

其他

源代码

Swift

文档修改记录

时间 描述 2015-12-26 博文完成 2016-01-04 方法中增加闭包PHPhotoLibraryCompletionHandlerBlock

版权所有

CSDN：http://blog.csdn.net/y550918116j

GitHub：https://github.com/937447974/Blog